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Power conservation

Subclass of:

455 - Telecommunications

455073000 - TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER)

455550100 - Radiotelephone equipment detail

455572000 - Power supply

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DocumentTitleDate
20110190038COMMUNICATION DEVICE AND COMMUNICATION CONTROL METHOD - According to one embodiment, a communication device for executing data communication by wireless communication is provided. The communication device includes: a wireless communication module configured to execute the wireless communication with a counterpart communication device; an acceleration detector configured to detect an acceleration of the communication device; and a communication controller configured to determine whether the acceleration exceeds a threshold value, and to disconnect the wireless communication when the communication controller determines that the acceleration exceeds the threshold value.08-04-2011
20090191926SYSTEM AND METHOD FOR REDUCING POWER CONSUMPTION OF A WIRELESS TERMINAL AND INCREASING CAPACITY OF A WIRELESS COMMUNICATION SYSTEM - A system and a method for reducing the power consumption of a wireless terminal and increasing capacity of a wireless communication system, without sacrificing the functions of the terminal. A base station includes a memory for storing the characteristics of the wireless terminal, the types of voice traffic that are supported by the terminal, and a program for executing an algorithm for exchanging control messages with the terminal via a wireless network. The algorithm is modified based on the particular characteristics of the wireless terminal, and sets the frequency of message exchange to not to exceed a predetermined frequency. In addition, the algorithm limits a time that information is displayed on the wireless terminal to a predetermined duration of time.07-30-2009
20130084924Standby Method for Handheld Mobile Terminal, Microprocessor, and Mobile Phone - A standby method for a handheld mobile terminal includes acquiring a physical state parameter of the terminal when it is determined that a handheld mobile terminal is in a no-operation state. It can be judged whether the physical state parameter satisfies a corresponding preset standby condition. The terminal is controlled to immediately enter a standby state when the physical state parameter satisfies the corresponding preset standby condition.04-04-2013
20130029732APPARATUS AND METHOD FOR CONTROLLING FUNCTION OF COMMUNICATION MODULE IN PORTABLE TERMINAL - The present disclosure relates to an apparatus and a method for controlling a function of a communication module in a portable terminal, by which the function of the communication module can be automatically turned on or off in order to reduce the consumption of a battery of the portable terminal based on a connection/disconnection pattern, so that learning pattern the communication module selectively turned on a particular cycle calculated as a learning pattern.01-31-2013
20120208605MOBILE DEVICE POWER OPTIMIZATION WITH PERIPHERAL SENSORS WITH STANDARD INTERFACES - Methods and systems for using sensors on peripherals with mobile devices are disclosed. The peripherals connect with the mobile device using standard interfaces that are normally used for other functional devices. Using sensor data from the peripheral, the power consumption of the mobile device can be reduced.08-16-2012
20100041446ELECTRONIC APPARATUS WITH POWER SAVING FUNCTION AND METHOD THEREOF - An electronic apparatus with a power saving function is provided. The electronic apparatus includes: one or more power managing subunits; a charge detecting module configured for detecting the remaining charge of the electronic apparatus; a charge range determining module configured for determining the charge range of the remaining charge of the electronic apparatus according to a power saving table; a managing module configured for determining whether the power managing subunit(s) should be in a statues of being enabled according to the power saving table and the determined charge range; and transmitting a control instruction to enable the power managing subunit(s) if the power managing subunit(s) should be enabled, and thus to keep the electronic apparatus in a power conserving state. A method for saving power of an electronic apparatus is provided.02-18-2010
20100041445POWER SAVING SUPPORT FOR WIRELESS NETWORKS - Various example embodiments are disclosed. According to an example embodiment, a technique may include transmitting a scheduling information to a mobile station in a wireless network during a listening window, determining whether an acknowledgement has been received within the listening window from the mobile station that acknowledges receipt of the scheduling information, resetting a size of a next sleep window for the mobile station to an initial sleep window size if the acknowledgement has been received from the mobile station, and increasing a size of the next sleep window for the mobile station if the acknowledgement has not been received from the mobile station within the listening window. In another example embodiment, techniques are disclosed for determining a starting location of a next listening window for a mobile station in a wireless network.02-18-2010
20090156270SYSTEMS AND METHODS FOR MANAGING POWER CONSUMPTION IN A FLOW-BASED USER EXPERIENCE - Methods and systems are provided for managing electrical power consumption in a mobile phone or other portable communications device having a battery and a display. A series of views forming a flow are retrieved from a memory or other digital storage device for presentation on the display. For each of the views in the flow, performance information relating to the portable communications device is determined while the view is displayed, and this information is stored in the digital storage medium. Upon subsequent retrieval of each view from the digital storage medium, configuring the operation of the portable communications device in response to the stored performance information to thereby manage the electrical power consumption of the portable communications device.06-18-2009
20100105450APPARATUS AND METHOD FOR REDUCING POWER CONSUMPTION OF MOBILE STATION IN WIRELESS COMMUNICATION SYSTEM - An apparatus and method for reducing the power consumption of a mobile station (MS) supporting at least two communication networks including a Universal Mobile Access (UMA) network are provided. In the method, if a serving network is not a UMA network, whether a UMA network exists in the neighborhood of the serving network is determined. If a UMA network exists in the neighborhood of the serving network, a UMA control unit controlling communication with a UMA network converts to a sleep mode. If at least one UMA network exists in the neighborhood of the serving network, a UMA network scanning operation is performed using the UMA control unit.04-29-2010
20100105449METHODS AND SYSTEMS TO PROLONG MOBILE STATION OPERATION DURING LOW BATTERY POWER - Certain embodiments of the present disclosure allow a mobile station to activate a sleep mode in order to reduce power consumption when the residual battery capacity is low. Certain embodiments of the present disclosure also provide techniques for adaptive power saving applied during an idle mode operation.04-29-2010
20100331057Portable Electronic Device and Wireless Communication Device - A control unit (12-30-2010
20100331056POWER MANAGEMENT - An apparatus for wireless communications includes a processing system. The processing system is configured to turn off a first wireless interface configured to support communications within a first coverage area. The processing system is further configured to communicate with a second apparatus using a second wireless interface configured to support communications within a second coverage area greater than the first coverage area. The processing system is further configured to turn on the first wireless interface based on the communication with the second apparatus.12-30-2010
20090124303WIRELESS READER TAGS (WRTs) WITH SENSOR COMPONENTS IN ASSET MONITORING AND TRACKING SYSTEMS - A wireless transceiver includes: (a) a low power radio frequency (LPRF) communications component capable of powering down to conserve energy and capable of powering up in response to an electronic signal, the LPRF communications component including a transmitter and a first receiver; and (b) a second receiver that is configured to screen a radio frequency broadcast and provide, on the basis of specific data identified therein, the electronic signal to the LPRF communications component in order to power up the LPRF communications component. The second receiver is adapted to draw less current than the LPRF communications component while awaiting receipt of and listening for a radio frequency broadcast.05-14-2009
20090124302WIRELESS READER TAGS (WRTs) WITH SENSOR COMPONENTS IN ASSET MONITORING AND TRACKING SYSTEMS - A wireless transceiver includes: (a) a low power radio frequency (LPRF) communications component capable of powering down to conserve energy and capable of powering up in response to an electronic signal, the LPRF communications component including a transmitter and a first receiver; and (b) a second receiver that is configured to screen a radio frequency broadcast and provide, on the basis of specific data identified therein, the electronic signal to the LPRF communications component in order to power up the LPRF communications component. The second receiver is adapted to draw less current than the LPRF communications component while awaiting receipt of and listening for a radio frequency broadcast.05-14-2009
20090124301DIRECT LINK SET-UP POWER SAVE DELIVERY - Systems and methodologies are described that enable power save mechanisms to be utilized with active direct transfers. Mobile stations in a wireless communication network can establish direct links between each other to obviate a need to transfer data via an access point. While direct links are active, the mobile stations coordinate or otherwise notify each other about power management modes to effectuate power save delivery of data via direct links. In accordance with a scheduled mechanism, mobile stations coupled via a direct link enter an active mode at a previously negotiated scheduled time after which time data transfer can occur. According to an unscheduled mechanism, one mobile station can remain awake while other enters a power save mode. The sleeping station can awaken and transmit a trigger frame to notify its peer that it is available for data transfers.05-14-2009
20130045780UMTS FDD MODEM OPTIMIZED FOR HIGH DATA RATE APPLICATIONS - A method for increasing data rate in wireless communications includes selectively activating a plurality of hardware accelerators, and performing, using the hardware accelerators, data processing for modem data based on parameters received from a processor.02-21-2013
20130090151METHOD AND APPARATUS FOR ADVANCED MOTION DETECTION IN WIRELESS COMMUNICATIONS SYSTEMS - Advanced Motion Detection in Wireless Communication Systems processes accelerometer or other sensor input data to distinguish between random in-place movements and actual start of motion that could produce a change in the user's location by filtering unsustained random motion. Random in-place motion such as table banging, knee jiggling, vibration, etc. are filtered out from Stationary and Non-Stationary motion state determinations. The process utilizes data from motion sensors or any accelerometer standard in all smart mobile devices and any mobile device that has automatic portrait-landscape switching (screen rotation). A state machine processes sensor or other input to produce a filtered Stationary or Non-Stationary output movement state unaffected by transient motion or rest periods. A sensor processing subsystem (SPS), or other low power processor for processing sensor or other input may be implemented to reduce power consumption and processing overhead while, for example, a modem processor or other high power processor is in a sleep mode.04-11-2013
20090036172MOBILE CELLULAR DEVICE PROVIDING HYBRID DYNAMIC/STATIC RECEIVED SIGNAL MEASUREMENT SCHEDULING CONTROL AND RELATED METHODS - A cellular communications system may include a cellular base station and at least one mobile cellular device communicating with the cellular base station. The at least one mobile cellular device may include a receiver and a processor cooperating with the receiver for implementing a hybrid dynamic and static received signal measurement scheduling control. The processor may include a dynamic scheduler for scheduling recurring received signal measurement times, a static schedule memory for storing common data for received signal measurements, and a micro-scheduler for scheduling received signal measurements based upon the recurring received signal measurement times and the common data for received signal measurements.02-05-2009
20090305749Wireless Communication Apparatus Capable of Reducing Power Consumption and Related Apparatus - An RF transmitter for a wireless communication device for reducing power consumption of the wireless communication device includes an RF signal generation unit for generating an RF signal, a power converter for adjusting voltage of a DC power according to a first control signal and outputting the DC power, a switching unit for generating a mode switch signal according a second control signal, and a power amplifier coupled to the RF signal generation unit, the power converter and the switching unit, for amplifying power of the RF signal according to the DC power and the mode switch signal.12-10-2009
20090093281DEVICE, SYSTEM, AND METHOD OF POWER SAVING IN WIRELESS COMMUNICATION - Device, system, and method of power saving in wireless communication. In some demonstrative embodiments a method may include, for example, receiving at a base station at least one uplink power saving message from at least one mobile communication device, respectively, wherein the power saving message includes battery level information and an indication of at least one power saving mechanism; and based on the battery level information and the indication, applying a selected power saving mechanism to communications between the base station and the at least one mobile communication device. Other embodiments are described and claimed04-09-2009
20090093279PORTABLE TERMINAL DEVICE - A noncontact IC communicates information to a read write unit that is an external terminal device. A high frequency modulating/demodulating section demodulates data that has been modulated by the read write unit using a load modulating method or the like. A loop antenna receives the data from the read write unit. A battery supplies power to the noncontact IC and the control section. The control section controls a portable phone function, and varies the battery voltage threshold value for issuing a low voltage alarm or the battery voltage threshold value for stopping power supply to the portable phone function, in a usage pattern where communication by the noncontact IC is performed twice or more.04-09-2009
20120309468OPERATING SYSTEM (OS) VIRTUALISATION AND PROCESSOR UTILIZATION THRESHOLDS FOR MINIMIZING POWER CONSUMPTION IN MOBILE PHONES - A mobile phone that uses OS virtualization for minimizing power consumption in mobile phones is provided. Apparatus and methods may involve conserving processor power in a mobile phone according to the invention may include the following steps. A first step may be awakening a first processing core from a low power state in response to a first operating system (OS) thread. A following step may include processing the first OS thread using the first processing core. A next step may include determining whether utilization of the first processing core over a first time period has exceeded a predetermined threshold. The method may also include awakening a second processing core from a low power consumption state if utilization of the first processing core over a first time period has exceeded a predetermined threshold.12-06-2012
20090298554MOBILE TERMINAL AND METHOD FOR CONTROLLING DISPLAY THEREOF - A mobile terminal including a terminal body, a transparent display formed at the terminal body, a solar cell configured to be disposed below the transparent display and to generate electricity using light incident and transmitting through the transparent display; and a controller configured to control an amount of light transmitted through the transparent display and being incident on the solar cell.12-03-2009
20090270138COORDINATING POWER MANAGEMENT FUNCTIONS IN A MULTI-MEDIA DEVICE - In general, this disclosure relates to techniques for dynamically determining configuration information (e.g., for processing video data) and coordinating execution of power management functions based upon an available amount of power for execution of a multi-media service. One example method includes the following features: obtaining an amount of available power for execution of a service requiring multi-media resources within a multi-media device; determining, based upon the amount of available power, configuration information for execution of one or more power management functions in one or more multi-media resources of the multi-media device; and coordinating the execution of the one or more power management functions in the one or more multi-media resources based upon the configuration information in order to manage power utilization within the multi-media device.10-29-2009
20130065653MOBILE COMMUNICATION TERMINAL APPARATUS, METHOD OF CONTROLLING POWER CONSUMPTION OF MOBILE COMMUNICATION TERMINAL APPARATUS, AND RECORDING MEDIUM - A first position information generation unit (03-14-2013
20110021254SYSTEM AND METHOD FOR SELECTIVELY ACTIVATING A COMMUNICATION DEVICE - The disclosure provides a system and method for detecting activation of a communication device via passive means, For the system and method, the device comprises a casing for housing a display and a keyboard; a microprocessor controlling aspects of the keyboard and display; a passive usage sensor; and a power application operating on the microprocessor. The power application monitors the usage sensor for a signal indicating movement of the device from a resting location when the device is in a low power mode and upon detection of the signal for provides power to at least one additional element in the device.01-27-2011
20110021253APPARATUS AND METHOD FOR REDUCING POWER CONSUMPTION IN PORTABLE TERMINAL - An apparatus and a method for reducing power consumption of a portable terminal. The apparatus includes a controller which induces the early release of a channel formed to transmit a synchronization determine signal.01-27-2011
20090233654PERIODIC RANGING IN A WIRELESS ACCESS SYSTEM FOR MOBILE STATION IN SLEEP MODE - A method of performing a ranging process between a base station and a mobile station in sleep mode in a wireless access system, wherein the base station provides the mobile station with an initial notification of a periodic ranging time that occurs during a sleep time interval and during which the mobile station is to perform the ranging process, the initial notification included in a first message, the first message indicating whether the mobile station should terminate sleep mode to receive downlink data, and wherein the base station provides the mobile station with subsequent notifications of periodic ranging times that occur during the sleep time interval, the subsequent notifications indicated in a second message, the second message transmitted to the mobile station as part of the ranging process such that the mobile station performs a plurality of ranging processes within the sleep time interval.09-17-2009
20090233653METHOD FOR REDUCING POWER CONSUMPTION OF A TERMINAL IN CELLULAR SYSTEM - Provided is a method and apparatus for discontinuously transmitting/receiving packets for low-power consumption of a terminal in a cellular system for packet transmission. The present invention provides a method and apparatus that can perform a low-power consuming operation when a terminal is in active state in a cellular system. The method for discontinuously transmitting/receiving packet data to reduce power consumption of a terminal in a cellular system, including the steps of: a) establishing discontinuous transmission/reception (DTX/DRX) parameters including discontinuous DTX/DRX cycle information for terminals operating in a transmission suspension mode, which is a sub-state of an active state; and b) performing DTX/DRX based on the DTX/DRX parameters in the terminals operating in the transmission suspension mode.09-17-2009
20090011801Method for Power-Saving Operation of Communication Terminals in a Communication System - The invention proposes a method for power-saving operation of communication terminals in a communication system, particularly in a wireless communication system, where a central station in the communication system takes a user input as a basis for prompting a change in an operating state of the communication terminals in the communication system which is characterized by the power consumption. Preferably, the method is used in wireless conference systems, with the communication terminal being in the form of a participant unit and/or chairman unit.01-08-2009
20130165187APPARATUS AND METHOD FOR CONTROLLING DATA TRANSMISSION BASED ON POWER CONSUMPTION OF NODES IN A COMMUNICATION NETWORK - Each of nodes along multiple routes in a communication network is provided with route information including information on the multiple routes each communicably coupling a transmission source and a transmission destination. A first route has power consumption least among the multiple routes, where the power consumption of a route is a total sum of power consumption of nodes along the route. Upon receiving realtime data, the each node transmits the realtime data using the first route when the first route has available bandwidth capacity enough for transmitting the realtime data, and sets a second route bypassing the first route when the first route does not have available bandwidth capacity enough for transmitting the realtime data. Upon receiving non-realtime data, the each node performs a predetermined processing without setting the second route, when the first route does not have available bandwidth capacity enough for transmitting the non-realtime data.06-27-2013
20120238331SYSTEMS AND TECHNIQUES FOR REDUCING POWER CONSUMPTION IN A MOBILE COMPUTING DEVICE - Various embodiments are directed to systems and techniques for reducing power consumption in a mobile computing device. In one or more embodiments, a mobile computing device may be arranged to determine a user environment based on detected antenna impedance or detected current. After the user environment is determined, the mobile computing device may confirm that total radiation power (TRP) for the mobile computing device at an initial conducted power level exceeds the minimum TRP threshold required by the network carrier to receive acceptable quality of service (QoS). Based on the excess TRP for the particular user environment, the mobile computing device may determine a reduced conducted power level to be input to an antenna system. Accordingly, significant power savings may be achieved. To save additional power, the mobile computing device may automatically adjust and/or improve antenna impedance matching based on user environment allowing a further reduction in conducted power.09-20-2012
20110300914REDUCING POWER CONSUMPTION BY IN-CIRCUIT MEASUREMENT OF RECEIVE BAND ATTENUATION AND/OR NOISE - Although the duplexer in a full-duplex transceiver circuit may only be guaranteed by the duplexer manufacturer to have a transmit band rejection from its TX port to its RX port of a certain amount, and may only be guaranteed to have a receive band rejection of another amount, the actual transmit band rejection and the actual receive band rejection of a particular instance of the duplexer may be better than specified. Rather than consuming excess power in the receiver and/or transmitter in order to meet performance requirements assuming the duplexer only performs as well as specified, the duplexer's in-circuit performance is measured as part of a transmitter-to-receiver isolation determination. Transmitter and/or receiver power settings are reduced where possible to take advantage of the measured better-than-specified in-circuit duplexer performance, while still meeting transceiver performance requirements. Power settings are not changed during normal transmit and receive mode operation.12-08-2011
20110300915METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR ENABLING PARTIAL FUNCTIONALITY OF A MOBILE TERMINAL - A method is provided for enhancing a user interface with a mobile terminal while reducing battery consumption by selectively activating input sensors based upon the actions of a user of the mobile terminal. The method may include providing for operation in accordance with a first level of functionality having a first number of inputs that are operable, providing for operation in accordance with a second level of functionality having a second number of inputs that are operable, and providing for operation in accordance with a third level of functionality having a third number of inputs that are operable, wherein the third number of inputs is greater than the first number of inputs. The method may further include receiving an input while operating in accordance with the first level of functionality and causing operations to change from being conducted in accordance with the first level of functionality to being conducted in accordance with the third level of functionality.12-08-2011
20090093280METHOD AND APPARATUS FOR HANDLING USER EQUIPMENT CAPABILITY INFORMATION - A method and apparatus for a wireless communication system, sends an initial connection request with the device capabilities of an indicated mobile station. The device capabilities comprise both semi-static capabilities and dynamic capabilities. The semi-static capabilities are stored in the core network. Data is transmitted via a wireless node before the mobile station transitions to an idle state. When transitioning back to an active state from the idle state when the semi-static capabilities have not changed, a connection request is sent with the dynamic capabilities of the user equipment without also transmitting the semi-static mobile station capabilities to the wireless node.04-09-2009
20110294554REMOTE UNIT FOR PROVIDING MULTIPLE-MODE SPATIAL PROCESSING - Methods and apparatus implementing spatial processing in a remote unit. In general, in one aspect, a remote unit in accordance with the invention includes a spatial processing unit to process signals received by a plurality of antennas.12-01-2011
20090098916Methods And Apparatus For Reducing Power Consumption During Network Scanning Operations With Adverse Battery Conditions - In a mobile communication device, a scanning operation is performed with use of a wireless transceiver to identify one or more available wireless communication networks in a given coverage area. Each time the scanning operation fails to result in any connection between the mobile device and a wireless network, the scanning operation is repeated after delaying for a next delay period of a plurality of scanning delay periods n=[n04-16-2009
20110070928METHOD AND SYSTEM FOR ANNOUNCEMENT TIME OF IDLE TIMEOUT FOR POWER SAVING OPERATIONS IN WIRELESS NETWORKS - A method and system for wireless communication over a wireless communication medium is provided. A schedule is generated which indicates when a wireless communication station may enter a power saving state in an announcement time (AT) period, based on an idle timeout interval in the AT period. The AT period comprises a period after a beacon transmission in a beacon interval.03-24-2011
20080268919CURRENT CONSUMPTION CONTROLLING APPARATUS AND METHOD IN PORTABLE TERMINAL - A current consumption controlling apparatus and method in a portable terminal are provided. The apparatus includes a first transceiver for outputting a signal indicative of a transmit burst time of a first communication system mode supported by the first transceiver to a second transceiver, and adjusting a gain of a power amplifier by receiving a signal indicative of a transmit burst time of a second communication system mode from the second transceiver; and the second transceiver for outputting the signal indicative of the transmit burst time of the second communication system mode to the first transceiver, and adjusting a gain of a power amplifier by receiving the signal indicative of the transmit burst time of the first communication system mode.10-30-2008
20080268920Turbulence sensitive mobile device power control - A mobile communication device may include one or more sensors to detect shaking and/or swinging of the device when the device is in a low-power or power-down mode. The device may include logic to determine if shaking and/or swinging occurred within an interval of time after the device was used, and logic to remove the device from low power or power down mode (and thus initiate a power-up mode) if shaking and/or swinging occurred within the interval of time after the device was used.10-30-2008
20110172000Latency Reduction In A Low Power Mode - A two way communication system is adapted to reduce latency while the communications system is operating in a low power mode. The two way communication system includes a local host having a first primary communication channel and a secondary out of band transmitter; and customer premise equipment having a primary communication channel for communicating with the first primary communication channel of the local host and a secondary low power out of band receiver that receives out of band control signals from the out of band transmitter during low power operation of the customer premise equipment.07-14-2011
20090156269METHOD AND DEVICE FOR IMPROVING BATTERY LIFE OF A MOBILE STATION06-18-2009
20120034958MULTIPLE NETWORK WAKE-UP - In a mobile communication device, a method for determining the existence of one or more pending messages, the method including exiting from a power-save mode of operation, in which the mobile communication device does not receive messages; selecting for communication, one of a plurality of communication paths, the selecting based on at least one of a plurality of conditions associated with the one of the plurality of communication paths; and attempting to communicate over the one of the plurality of communication paths to check for pending messages. The plurality of communication paths includes at least a first and a second communication path. The attempting to communicate over the one of the plurality of communication paths includes attempting to communicate over the first communication path to check for the pending messages by communicating with a message server over the first communication path.02-09-2012
20100081485APPARATUS, SYSTEM AND METHOD CAPABLE OF INTEGRATING A CELLULAR PHONE STACK IN AN EXTENDED FIRMWARE INTERFACE (EFI) LAYER - An embodiment of the present invention provides an apparatus, comprising a wireless device capable of integrating a cellular phone stack in an extended firmware interface (EFI) layer, wherein the cellular phone stack within the EFI layer may include TDMA or CDMA0-based technology. An embodiment of the present invention may further provide at least one agent running under an OS/EFI continuously monitoring said wireless device status, OS availability and remaining power and wherein anytime events occur where said OS is unavailable, missing, infected, corrupted or when the remaining power is less than threshold, the wireless device may switch itself to the low power secure EFI mode where it may continue to use basic cell phone services and applications seamlessly.04-01-2010
20120108301Apparatus and Method for Power-Saving in Multiple Antenna Communication System - A multiple-antenna transceiver in the present invention includes a frame controller and circuitry for transmitting and receiving. The transmitting component includes a sequence selection circuit, a MIMO modulation and coding circuit, and numerous TX RFE and AFE circuits. The receiving component includes a MIMO demodulation and decoding circuit, a sequence separation circuit, and numerous RX RFE and AFE circuits. The frame controller can enable and disable the TX and RX RFE and AFE circuits individually so as to reduce power consumption of the whole system.05-03-2012
20090264164Method For Transitioning Between Multiple Reception Levels - There is provided a method for enabling a user equipment (UE) to transition between a non-discontinuous reception (Non-DRX) level and at least one discontinuous reception (DRX) level. The UE in a DRX level wakes up periodically to monitor a scheduling channel. The method includes receiving a DRX indicator in a Non-DRX level with continuously monitoring the scheduling channel and transitioning from the Non-DRX level to a DRX level indicated by the DRX indicator. The UE can transition between multiple DRX levels by an explicit command/signaling.10-22-2009
20100099466COMMUNICATION DEVICE AND POWER SAVING METHOD THEREOF - A communication device and a power saving method include setting a power saving mode to control power to a keyboard and a display of the communication device. The communication device and the power saving method further include detecting if a microphone of the communication device receives sound signals in response to invocation of the phone communication feature under the power saving mode, and switching off the power to the keyboard and the display in response to the microphone receiving sound signals.04-22-2010
20120295673WIRELESS SYSTEM AND METHOD FOR CONTROLLING WIRELESS SYSTEM - A wireless system includes: a paging chip arranged to selectively generate a notification signal according to a paging signal; and a processing chip arranged to switch from a first mode to a second mode upon receiving the notification signal, wherein power consumption of the processing chip in the first mode is lower than power consumption of the processing chip in the second mode, and the paging chip and the processing chip are externally coupled with each other.11-22-2012
20090156271WIRELESS DEVICE BATTERY CONSERVATION METHOD AND SYSTEM - Generally, the present invention provides a method for detecting poor RF conditions, and entering different sleep mode levels or phases in accordance with the RF conditions to save battery power. Mobile device battery life can be conserved when the mobile device detects poor RF conditions and enters a deep sleep mode of operation. In this deep sleep mode of operation the mobile device periodically samples the RF conditions and gradually increases the period between samples when the RF conditions do not improve. Because mobility can change the RF condition for wireless devices even in areas of good RF coverage, the mobile device operating in the deep sleep mode can detect this mobility and thus enhance the probability of entering an idle state, or alternatively, entering a longer power save mode. When the RF condition improves, the mobile device exits from the deep sleep mode and returns to the idle state.06-18-2009
20090286578MOBILE TERMINAL APPARATUS, AND CONTROL METHOD AND COMMUNICATION SYSTEM FOR THE APPARATUS - To provide a mobile terminal apparatus capable of suppressing exhaustion of the battery while securing convenience of switching to a communication system corresponding to an existing area, and a control method and communication system for the apparatus, a mobile terminal apparatus 11-19-2009
20090286576METHOD FOR CONTROLLING POWER IN DUAL-STANDBY MODE MOBILE TERMINAL AND APPARATUS THEREOF - The present invention relates to a method for controlling a transmission power of a dual standby mode mobile terminal. A method of controlling a transmission power of the invention includes performing a conversation standby service with a first communications network while performing a conversation service with a second communications network, and receiving a first power control level from a base station of the first communications network; comparing a second power control level that corresponds to a power code, which is set for a current output signal power, with the first power control level; and decreasing a current power code when the first power control level is greater than or equal to the second power control level.11-19-2009
20090291715PERIODIC RANGING IN A WIRELESS ACCESS SYSTEM FOR MOBILE STATION IN SLEEP MODE - A method of performing a ranging process between a base station and a mobile station in sleep mode in a wireless access system, wherein the base station provides the mobile station with an initial notification of a periodic ranging time that occurs during a sleep time interval and during which the mobile station is to perform the ranging process, the initial notification included in a first message, the first message indicating whether the mobile station should terminate sleep mode to receive downlink data, and wherein the base station provides the mobile station with subsequent notifications of periodic ranging times that occur during the sleep time interval, the subsequent notifications indicated in a second message, the second message transmitted to the mobile station as part of the ranging process such that the mobile station performs a plurality of ranging processes within the sleep time interval.11-26-2009
20090291717PERIODIC RANGING IN A WIRELESS ACCESS SYSTEM FOR MOBILE STATION IN SLEEP MODE - A method of performing a ranging process between a base station and a mobile station in sleep mode in a wireless access system, wherein the base station provides the mobile station with an initial notification of a periodic ranging time that occurs during a sleep time interval and during which the mobile station is to perform the ranging process, the initial notification included in a first message, the first message indicating whether the mobile station should terminate sleep mode to receive downlink data, and wherein the base station provides the mobile station with subsequent notifications of periodic ranging times that occur during the sleep time interval, the subsequent notifications indicated in a second message, the second message transmitted to the mobile station as part of the ranging process such that the mobile station performs a plurality of ranging processes within the sleep time interval.11-26-2009
20090291716PERIODIC RANGING IN A WIRELESS ACCESS SYSTEM FOR MOBILE STATION IN SLEEP MODE - A method of performing a ranging process between a base station and a mobile station in sleep mode in a wireless access system, wherein the base station provides the mobile station with an initial notification of a periodic ranging time that occurs during a sleep time interval and during which the mobile station is to perform the ranging process, the initial notification included in a first message, the first message indicating whether the mobile station should terminate sleep mode to receive downlink data, and wherein the base station provides the mobile station with subsequent notifications of periodic ranging times that occur during the sleep time interval, the subsequent notifications indicated in a second message, the second message transmitted to the mobile station as part of the ranging process such that the mobile station performs a plurality of ranging processes within the sleep time interval.11-26-2009
20080207278Mobile platform tracking in wireless networks - A mobile station in a wireless network provides a presence indication when in a power saving state. The presence indication is sent periodically, and the period is dependent on whether the mobile station is stationary or in motion. The period may also be dependent on an asset protection level of the mobile station.08-28-2008
20090275368METHOD AND APPARATUS FOR DISTRIBUTING PAGING LOAD IN LONG TERM EVOLUTION - Methods and apparatus for distributing paging occasion load or multiple Discontinuous Reception (DRX) cycle lengths in Long Term Evolution (LTE) are described. In one method, a phase shifting of a paging frame is applied to distribute the staggering paging load from different frame values to shift a number of frames. A second phase shift method is applied to shift directly the staggering paging frame load to other adjacent frames with an individual frame offset. Another method adds paging sub-frames in the staggering frame to accommodate the overloaded paging load for particular paging occasions.11-05-2009
20090275369STATION CONTROL METHOD AND STATION USING THE SAME - An apparatus is provided, for reducing power consumption in a system operating in a power saving mode, comprising a controller, an oscillator circuit and a voltage regulator. The controller provides a first control signal and a second control signal. The oscillator circuit, connected to the controller, wherein the controller controls the oscillator circuit according to the second control signal. The voltage regulator providing electric power to the oscillator circuit, connected to the controller, wherein the controller controls the voltage regulator according to the first control signal.11-05-2009
20090280872MOBILE APPARATUS - According to one aspect of the invention, there is provided a mobile apparatus including: a display; an input module; a timer configured to output a first signal representing that a first time elapses since the input module is last operated, and to output a second signal representing that a second time elapses since the input module is last operated, the first time being different from the second time; a display control module configured to disable a display on the display when the first signal is received; and an input control module configured to disable an input at the input module when the second signal is received.11-12-2009
20090286577Communication System Capable of Adjusting Power Consumed Thereby - A communication system capable of adjusting power consumed thereby is adapted for receiving connection information. The communication system includes first and second transceiving devices. The first transceiving device includes a transmitting end and a service end for receiving the connection information. The second transceiving device includes a receiving end capable of forming a communications link with the transmitting end. A power state of each of the first and second transceiving devices is switchable between a power-supplied mode and a power-saving mode. The power state alters status of the communications link.11-19-2009
20090291714Mobile station having waiting process with main power off - While main power in an automobile is off, a telematics station in the automobile intermittently runs to execute a process. The station has a first CPU in a wireless section for a wireless signal waiting process and a second CPU, having active and sleep modes, in a control section for resetting the first CPU. At resetting timing, if the first CPU is executing the process, it outputs a signal indicating that it is executing the process for the second CPU not to reset it. When the main power turns on, the second CPU determines that the signal is not outputted in order to reset the first CPU.11-26-2009
20110269514MOBILE PHONE AND STATUS CONTROL METHOD THEREOF - A mobile phone and a status control method adapted for the mobile phone are provided. The mobile phone communicates with a wireless network, such as GPRS. The mobile phone includes a data transmission unit, a processing unit, and a storage unit. The processing unit records a start time and a stop time of each event which defines the running of an application program when data transmission unit transfers data packet of the application program, and calculates an average interval time of the application program, and stores the average interval time. When a waiting time reaches the average interval time of the application program in the ready state, the mobile phone enters into the standby state in advance, and thus the mobile phone does not need send updated location information to the SGSN and saves a lot of power.11-03-2011
20100291976METHOD AND APPARATUS FOR POWER CONSERVATION FOR AN ELECTRONIC DEVICE - An apparatus comprises a first interface module configured to wirelessly interface with one or more user devices; a second interface module configured to interface with a wireless communication network; and a controller. The controller is configured to detect a signal received through the second interface module, the signal including a command; and execute the command. Executing the command causes one or more components of the apparatus to exit a power conservation mode and enter a full operation mode.11-18-2010
20080305839SELECTIVE POWER MANAGEMENT FOR A HAND HELD HOST - A hand held radio host includes circuitry for selectively providing power to radiating transceiver elements and non-radiating application elements according to a plurality of power modes of operation to achieve desired effects and in a way that saves power and extends battery life. In one embodiment of the invention, the hand held host operates in one of three modes. In a full power mode, any selected application element as well as all transceiver elements are powered on at the same time. Thus, for example, a cell phone module, a wireless personal access network module, a wireless local area network module and one of a pager/short message service message module may all be powered on at the same time to receive corresponding messages, calls, data sessions, etc. At the same time that all of the transceiver elements are powered on, any selected application element receives power. Thus, application elements such as address books, calendar functions, games, word processors, and similar other application elements may receive power when selected.12-11-2008
20080311961Network Call Management in Case of Low Battery Condition of Mobile Communications Terminals - In a mobile communications system which includes a mobile communications network and a battery-powered mobile communications terminal, a method including: receiving, at a mobile communications network apparatus subsystem, a notification of a low battery charge condition from the battery-powered mobile communications terminal, and having the mobile communications network apparatus subsystem inform at least one second user, different from a first user using the battery-powered mobile communications terminal, based on the received notification.12-18-2008
20110207509APPARATUS AND METHODS FOR PROVIDING INTELLIGENT BATTERY MANAGEMENT - Various embodiments for providing enhanced battery conservation in mobile devices are described. In one or more embodiments, a mobile computing device may include a processor and a battery to supply power to the processor. The device may store user pattern data and/or user preference data. The device may further include a power management module coupled to the processor. The power management module may monitor a location of the device, wireless signal strength, and date/time. The power management module may also monitor and analyze user operation of the device to identify scenarios in which wireless communications can be suspended. The power management module may suspend wireless communication according to these monitored conditions, and analyzed user operations, to reduce battery consumption. Other embodiments are described and claimed.08-25-2011
20080268917POWER MANAGEMENT IN A PORTABLE COMMUNICATION DEVICE BASED ON RADIO CONFIGURATION VERSION - A portable communication device transmits, to a communication network, a radio configuration (RC) request indicator requesting assignment of a power saving radio configuration for reverse link transmissions. The power saving radio configuration is one a plurality of radio configurations including the power saving radio configuration and at least one other radio configuration defined by a communication standard different than the communication standard defining the power saving radio configuration. Average power consumption at the portable device when the portable communication device participates in the call using the power saving radio configuration is less than if the other radio configuration is used for the call.10-30-2008
20090163254METHOD, SYSTEM AND APPARATUS FOR SYNCHRONIZING MULTIPLE STREAMS FOR OPTIMIZING DELAY AND TALK TIME - A method, system and apparatus for synchronizing multiple streams of a communication session between a wireless station device (STA) and one or more communication devices via a wireless access point (AP) of a wireless local area network (WLAN), includes a host processor determining a synchronization period in accordance with packetization periods of each of the multiple streams, switching the STA to a doze mode until expiration of the synchronization period, buffering packets generated during the synchronization period, and switching the STA from the doze mode to an active mode upon expiration of the synchronization period and decompressing or transmitting packets generated while the STA is in the active mode.06-25-2009
20090088226ESTIMATION OF POWER LEVEL IN A COMMUNICATION DEVICE - A system comprising a first communication device and a second communication device adapted to determine a property of communications between the first and second communication devices. The second communication device estimates a power level associated with the first communication device for a length of time determined according to the property.04-02-2009
20090298555MAC controlled sleep mode/wake-up mode with staged wake-up for power management devices - A power management scheme for a wireless communications device processor substantially implemented on a single CMOS integrated circuit is described. By incorporating controls for sleep and wake-up mode transitions in the processor's control logic, improved power savings with reduced latency is provided, obviating the need for hardware-focused solutions with elaborate signaling mechanisms. A fully integrated power management with staged wake-up operations controlled by the MAC solution consumes less power than the conventional wireless LAN solutions in standby mode.12-03-2009
20090005127Method and Arrangement for Reducing Power Consumption in a Mobile Communication Network - The invention relates to a method and an arrangement for reducing power consumption of a receiver in a mobile communication network comprising a sender transmitting packet data on a downlink channel to one or more receivers over a radio interface. Inactive time instants and listening time instants are defined according to provided rules. The receiver is arranged to listen for information from the sender during the listening time instants and to sleep during the inactive time instants. Thus, less power will be consumed during the inactive time instants.01-01-2009
20090005126METHOD FOR CONTROLLING POWER CONSUMPTION AND MOBILE COMMUNICATION DEVICE USING SAME - A mobile communication device includes a power source, a measurer, a function group, a calculator, a setting module, and a controller. The power source is used for supplying power to the mobile communication device. The measurer is used for measuring remaining coulomb of the power source. The function group includes a plurality of function modules with corresponding priority levels. The calculator is used for calculating coulomb consumption rate of the function modules. The setting module is used for receiving a desired usage time predetermined by users. The controller is used for powering down the function modules according to the remaining coulomb, the coulomb consumption rate, and the desired usage time. A method for controlling the function modules is also provided.01-01-2009
20090143114SLEEP MODE FOR MOBILE COMMUNICATION DEVICE - A method and apparatus for operating a mobile communication device in a sleep mode. The mobile communication device displays a time in an easily readable format at a low-light intensity, provides an alert to a user at an alarm time in a particular manner specified by the user, changes the buttons on the mobile communication device to operate as snooze buttons, and suppresses a portion of call and message notifications received by the mobile communication device when the mobile communication device is in the sleep mode. The sleep mode operation is performed, at least in part, according to sleep-mode user settings chosen by the user.06-04-2009
20090247241NETWORK SUPPORTING ROAMING, SLEEPING TERMINALS - Improved apparatus for a radio communication system having a multiplicity of mobile transceiver units selectively in communication with a plurality of base transceiver units which, in turn, communicate with one or more host computers for storage and manipulation of data collected by bar code scanners or other collection means associated with the mobile transceiver units. A network controller and an adapter which has a simulcast and sequential mode provide selective interface between host computers and base transceivers. A scheme for routing data through the communication system is also disclosed wherein the intermediate base stations are organized into an optimal spanning-tree network to control the routing of data to and from the RF terminals and the host computer efficiently and dynamically. Additionally, redundant network and communication protocol is disclosed wherein the network utilizes a polling communication protocol which, under heavy loaded conditions, requires that a roaming terminal wishing to initiate communication must first determine that the channel is truly clear by listing for an entire interpoll gap time. In a further embodiment, a criterion used by the roaming terminals for attaching to a given base station reduces conflicts in the overlapping RF regions of adjacent base stations.10-01-2009
20090061955POWER SAVING SYSTEM AND METHOD FOR A MOBILE PHONE - A power saving method for a mobile phone includes the steps of: setting a standard brightness range, wherein the standard brightness range comprises a maximum value and a minimum value; opening a camera (03-05-2009
20090061954SERVER INITIATED POWER MODE SWITCHING IN PORTABLE COMMUNICATION DEVICES - In a process, a power mode indicator is transmitted from a content server and is received by a Portable Communication Device (PCD). The indicator is indicative of a power mode potentially available to a circuit block in the PCD. The circuit block exhibits different levels of power consumption when operated in different power modes and is operated in the indicated power mode in response to the received power mode indicator. The content server may be a stream server. The circuit block may be operated in the power mode to receive/process a data stream.03-05-2009
20090082072SEMI-CONNECTED OPERATIONS FOR WIRELESS COMMUNICATIONS - Systems and methodologies are described that facilitate reducing battery consumption during periods of inactivity intermixed with traffic bursts in wireless communications systems. A semi-connected mode is provided that fast recognition of mobile devices upon wakeup and access while enabling mobile devices to operate in reduce power states. A mobile device operates in a semi-connected mode with all base stations in an active set of the mobile device. Moreover, mechanisms are provided to notify mobile devices of pending data while avoiding latency associated with paging channels.03-26-2009
20090203410METHOD AND APPARATUS FOR REDUCING STANDBY POWER CONSUMPTION OF A HANDHELD COMMUNICATION SYSTEM - A method for managing operation of a device is disclosed and may include performing the following using one or more processors and/or circuits in a handheld multistandard communication system, the one or more processors and/or circuits comprising a control device and one or more other devices: receiving from the control device, one or more power setting signals indicative of a desired power level setting. The handheld multistandard communication system may operate utilizing a NORMAL power level setting or a standby setting. The standby setting may include a LOW power level setting and a sleep mode setting. One or more corresponding power adjustment signals may be generated based on the received one or more power setting signals. Power supplied to the control device and/or the one or more other devices may be adjusted based on the generated one or more corresponding power adjustment signals.08-13-2009
20090117950WIRELESS READER TAGS (WRTs) WITH SENSOR COMPONENTS IN ASSET MONITORING AND TRACKING SYSTEMS - A wireless transceiver includes: (a) a low power radio frequency (LPRF) communications component capable of powering down to conserve energy and capable of powering up in response to an electronic signal, the LPRF communications component including a transmitter and a first receiver; and (b) a second receiver that is configured to screen a radio frequency broadcast and provide, on the basis of specific data identified therein, the electronic signal to the LPRF communications component in order to power up the LPRF communications component. The second receiver is adapted to draw less current than the LPRF communications component while awaiting receipt of and listening for a radio frequency broadcast.05-07-2009
20090203409UMTS FDD MODEM OPTIMIZED FOR HIGH DATA RATE APPLICATIONS - A method and apparatus for optimization of a modem for high data rate applications comprise a plurality of hardware accelerators which are configured to perform data processing functions, wherein the hardware accelerators are parameterized, a processor is configured to selectively activate accelerators according to the desired function to conserve power requirements and a shared memory configured for communication between the plurality of hardware accelerators.08-13-2009
20090197652Integrated Portable WAN Module In Computer - The invention relates to an integrated portable computer (08-06-2009
20080261663Methods and arrangements for adaptively changing snoozing intervals of wireless devices - Methods and arrangements for wireless communications are described. Embodiments include transformations, code, state machines or other logic to adaptively change a snoozing interval of a station. The embodiments may also include determining a timeout (TO) period for a station, examining network traffic of the station after a period of network traffic inactivity not less than the TO period, and determining a snoozing interval, the length of the snoozing interval based upon the examination of the network traffic. The embodiments may also include adjusting the length of the TO period. In some further embodiments, examining network traffic may include determining categories of network traffic. In other further embodiments, examining network traffic may include determining a size of a queue of network traffic for the station. The embodiments may also include redetermining a snoozing interval after returning to a normal power mode.10-23-2008
20120077554METHOD AND APPARATUS FOR REDUCING POWER CONSUMPTION IN MOBILE DEVICE - A method and apparatus capable of minimizing power consumption occurring when a mobile device is changed from a sleep state to a wake-up state by partially controlling on/off of a display unit and partial booting control of a system function are provided. The method includes detecting a change of the mobile device from a sleep state to a wake-up state, turning on a display unit of the mobile device such that a first section of the mobile device displays an operating region, the first section including one or more portions of the display unit and less than an entire screen of the display unit and waiting for a system function registered in the operating region.03-29-2012
20110183726NETWORK DETECTION DEVICE POWER CONSERVATION - Methods and devices for determining intervals between mobile device network searches use measured signal power as lookup criteria to obtain a predefined “sleep” duration from a sleep duration data structure. When a network connection is lost the mobile device may compare received signal power to criteria in a data table to determine an appropriate sleep duration during which the receiver is de-energized to conserve battery power. The sleep durations vs. signal power may be predefined to provide performance as good as other sleep duration determining algorithms while providing flexibility for matching network coverage characteristics. An appropriate sleep duration data table for use may be determined based upon device location or user inputs. At the end of a sleep interval, received signal power may be compared to a threshold to determine whether the receiver should return to sleep mode or attempt a network connection.07-28-2011
20090239592REDUCED POWER-CONSUMPTION RECEIVERS - An exemplary embodiment disclosed comprises a mixer having a plurality of input leads; a first degenerative impedance element coupled to a first input lead of the mixer; a second degenerative impedance element coupled to a second input lead of the mixer; and a local oscillator (LO) system comprising a plurality of duty cycle modes to generate a LO signal for the mixer, the local oscillator system operates in a first duty cycle based on a first gain state of the mixer, and in a second duty cycle based on a second gain state of the mixer.09-24-2009
20090239591WIRELESS COMMUNICATION DEVICE AND METHOD WITH AN ORIENTATION DETECTOR - A wireless communication device (09-24-2009
20100151921RADIO COMMUNICATION DEVICE - The invention relates to a method and arrangement for reducing power consumption of a radio communication device. In a solution according to the invention an audio signal is monitored (06-17-2010
20100151920METHOD OF OPERATING BASE STATION WITH LOW POWER CONSUMPTION - Provided is a method of reducing power consumption of a base station. A method of operating a base station with low power consumption in a mobile communication system includes: reporting status information about a level of traffic being served by a base station in an active mode to an apparatus for managing power consumption of the base station; and switching from the active mode to an inactive mode in response to a mode change command from the apparatus.06-17-2010
20090048004INFORMATION PROCESSING APPARATUS - An information processing apparatus includes: an antenna; a first wireless communication module that establishes wireless communication using a first communication system through the antenna; a second wireless communication module that establishes wireless communication using a second communication system through the antenna, the second communication system having a narrower communication range and smaller power consumption than the first communication system; a determination unit that determines whether or not wireless communication by the first wireless communication module or by the second wireless communication module is available; and a controller that controls the second wireless communication module to establish wireless communication using the second communication system regardless of whether or not wireless communication using the first communication system is established by the first wireless communication module when the determination unit determines that wireless communication by the second wireless communication module is available.02-19-2009
20100184489METHOD AND APPARATUS FOR REDUCING POWER CONSUMPTION IN A WIRELESS DEVICE - A method and apparatus are provided for reducing power consumption within a wireless device operating on a downlink shared control channel. The method includes the steps of monitoring the downlink shared control channel for control messages, detecting an access grant from a cyclic redundancy check process, decoding the detected access grant and determining a type of access grant from the decoded access grant and activating a portion of the wireless device in response to the determined type of access grant.07-22-2010
20100261510SYSTEM AND METHOD FOR TRIGGERING A WIRELESS CONNECTION - Systems and methods displaying information from a mobile device are described herein. One embodiment of this disclosure provides method of triggering a wireless connection. The method comprises detecting a wired connection at a mobile device. The method further comprises adjusting a power to a wireless interface based on the detection of the wired connection.10-14-2010
20100261511POWER CONSUMPTION CONTROL APPARATUS IN PDA PHONE - A power consumption control apparatus and a method thereof in the PDA phone comprise: transiting the PDA phone from an idle mode to a sleep mode automatically after a certain amount of time or by user's input signal; transiting the PDA phone from a called mode to the sleep mode automatically after a certain amount of time or by user's input signal; transiting the PDA phone from a calling mode to the sleep mode automatically after a certain amount of time or by user's input signal; and transiting the PDA phone from an in-call mode to the sleep mode automatically after a certain amount of time or by user's input signal, so that the power consumption control apparatus and the method thereof in a personal digital assistant (PDA) phone in accordance with the present invention can reduce power consumption of the PDA phone by transiting the PDA phone from a called mode, an in-called mode and a calling mode to a sleep mode, and cope with the circumstances which may occur in every state of the PDA phone.10-14-2010
20090017879SYSTEM AND METHOD FOR REDUCING POWER CONSUMPTION IN A WIRELESS DEVICE - A wireless transceiver is provided for transmitting and receiving audio data, comprising: a microphone configured to generate a digital audio signal that includes the audio data, based on a received sound sampled into digital format; a voice detection circuit configured to detect the presence of voice activity in the audio data, and to generate a voice detection signal indicating whether the voice activity is present in the audio data; a transceiver circuit configured to transmit the audio data over a wireless medium; and a control circuit configured to control transmission of the audio data over the wireless medium by the transceiver circuit, based on the voice detection signal. This allows saving of transmission power since no transmission is done during the silence periods. The digital audio signal is at least one of a pulse code modulated signal without compression, and a Bluetooth signal.01-15-2009
20130122973POWER MANAGEMENT IN A MOBILE DEVICE - Apparatuses, systems and methods for reducing power consumption during standby operation of a mobile device are disclosed. A page decoding algorithm can be stored in nonvolatile memory during standby. The page decoding algorithm can be executed from the nonvolatile memory, when the mobile device is awakened from a sleep state to determine if there is any activity such as an incoming call. No power is required for the nonvolatile memory to maintain storage of the algorithm so that the power requirement during standby of the mobile device is reduced.05-16-2013
20100160003METHOD AND SYSTEM FOR CONTROLLING PORTABLE PHONE ACCORDING TO SIGNAL INTENSITY - A system and method is used to control a portable phone according to signal intensity. The system includes a measurement module, a comparison module, and a switch module. The measurement module is capable of measuring an intensity of the signal which the portable phone receives. The comparison module is connected to the measurement module capable of receiving the measured intensity from the measurement module, and compares the measured intensity with a threshold intensity that is stored in the comparison module, and generates a comparison result. The switch module is connected to the comparison module and capable of receiving the comparison result form the comparison module. The switch module stores a plurality of work states of the portable phone, and switches the portable phone to work in a corresponding work state according to the comparison result.06-24-2010
20110059779Power Management Of A Radio Data Transceiver - Methods and apparatuses for operating a wireless mobile station configured to communicate with a wireless access point are described. A first awake timer may be started in response to receiving a beacon signal from the wireless access point. The beacon signal may indicate that data is available or pending for the wireless mobile station. A second awake timer may be started in response to data received from the wireless access point. When the second awake timer expires, the wireless mobile station may return to the sleep state. In one embodiment, the first awake timer counts for a first period of time and the second awake timer counts for a second period of time which is shorter than the first period of time. The RF radio may be in a higher power state when the first and/or the second awake timers are counting. In one embodiment, the wireless mobile station and the wireless access points may be synchronized using target beacon transmission times of the beacon signal.03-10-2011
20100240420METHODS AND APPARATUS FOR CHANGING PAGING PARAMETERS IN A COMMUNICATION SYSTEM - A base station and a subscriber station may negotiate paging parameters so that the subscriber station can enter idle mode. After the subscriber station has entered idle mode, the base station may change at least one paging parameter at the base station. The base station may direct the subscriber station to change at least one paging parameter at the subscriber station after the subscriber station has entered idle mode. The subscriber station may change at least one paging parameter at the subscriber station after the subscriber station has entered idle mode.09-23-2010
20100216525Methods, Systems And Storage Media To Remotely Control A Wireless Unit - A method to remotely control a wireless unit, includes receiving an activation/deactivation request from a user. It is determined if the user is authorized to activate/deactivate the wireless unit. If the user is authorized to activate/deactivate the wireless unit, a signal is sent to the wireless unit causing the wireless unit to power-on/power-off in response to the signal.08-26-2010
20100216523METHOD AND SYSTEM FOR IMPULSE RADIO WAKEUP - Communication networks are implemented using a variety of devices and methods. In a particular embodiment for use in a communication network having RF-communication devices that communicate using a RF protocol, an RF-communication device is implemented with an RF transceiver (08-26-2010
20100227654MOBILE COMMUNICATION TERMINAL AND COMMUNICATION METHOD - A mobile communication terminal and a communication method are provided which can reduce consumed power at the time of intermittent reception operation. The mobile communication terminal according to the present invention includes a RAM, an internal memory operable in a higher speed then the RAM, an arithmetic processing unit for performing a communication operation by using a communication program loaded in the RAM, an intermittent control unit, and a storage unit for storing an intermittent operation program. The intermittent control unit transfers the intermittent operation program stored in the storage unit to the internal memory in response to an intermittent operation start signal issued from the communication arithmetic processing unit. The communication arithmetic processing unit stops the communication operation when the transfer is completed and performs the intermittent reception operation by using the intermittent operation program stored in the internal memory.09-09-2010
20100151919Power Management in a Mobile Device - Apparatuses, systems and methods for reducing power consumption during standby operation of a mobile device are disclosed. A page decoding algorithm can be stored in nonvolatile memory during standby. The page decoding algorithm can be executed from the nonvolatile memory, when the mobile device is awakened from a sleep state to determine if there is any activity such as an incoming call. No power is required for the nonvolatile memory to maintain storage of the algorithm so that the power requirement during standby of the mobile device is reduced.06-17-2010
20090291713WIRELESS COMMUNICATION TERMINAL, PROCESSOR THEREOF, AND WIRELESS COMMUNICATION TERMINAL POWER MANAGEMENT METHOD - Object of the invention is to provide a wireless communication terminal having power saving control function that does not affect performance during high-speed communication. The wireless communication terminal comprises a processor that has a power saving control function for reducing the operating clock under a predetermined condition; and a wireless communication unit capable of carrying out communication at a high or low data communication rate wherein, when communication is carried out at the high data communication rate such as HSDPA, the power saving control function of the processor is turned off and the switching of the operating clock to the low clock is prohibited.11-26-2009
20100210321Using Receive Diversity to Extend Standby Time in QPCH Mode - The standby time of a CDMA cell phone is extended by using two receive chains to monitor the Quick Paging Channel (QPCH) when the signal-to-noise ratio falls within a predetermined range. Monitoring the QPCH saves battery power by obviating the need to monitor the general paging message unless quick paging (PI) bits are set. The QPCH is not monitored, however, in noisy environments where PI bits are incorrectly detected causing the paging message to be needlessly monitored. Power is saved by monitoring the QPCH in noisier environments without increasing the incorrect detection rate. Incorrect detection is reduced in the predetermined range by using an additional receive chain to achieve receive diversity. Although additional power is consumed by the second receive chain in the predetermined range, the power saved by not demodulating the paging message at each slot more than compensates for the additional power consumed by the second receive chain.08-19-2010
20090036173WIRELESS CONNECTION INTEGRATED CIRCUIT (IC) HAVING POWER ISLAND(S) - A radio frequency (RF) integrated circuit (IC) operable to support wireless communications is provided. In one embodiment, the RF IC includes an advanced high-performance (AHB) bus matrix, a microprocessor core coupled to the AHB bus matrix, a plurality of processing modules wherein each processing module is operable to support one or more functions of the RF IC, and a plurality of power islands. Each power island is associated with one or more functions of the RF IC. This arrangement allows power islands coupled to the processing modules associated with the one or more functions associated with the power island to supply power for the processing modules associated with the one or more functions associated with the power island. Power from the power island(s) to the processing module(s) may be reduced or secured when the one or more functions associated with the power island is not required.02-05-2009
20100016035Method for Reducing the Power Consumption of a Mobile Device - Where a communications device maintains multiple wireless connections to other devices and networks which use slotted communications protocols, the slots used by those protocols are arranged so as to minimize the power consumed by the device. Where multiple radios are used, power is minimized by avoiding using radios at the same time when those radios are likely to interfere with each other. Slots used by communication protocols can also be selected to maximize the time that the communications device can spend in low power mode.01-21-2010
20090209300APPARATUS, AND ASSOCIATED METHOD, FOR SELECTING SPEECH CODER OPERATIONAL RATES - An apparatus and an associated method for facilitating selection of CODEC availability from amongst a set of CODECs at a communication device. A battery power measurer measures the stored energy level of a battery power supply that powers a communication device of which the CODEC forms a portion. A selector selects the available CODECs responsive to the measured power level. If the measured level is less than a threshold, then high-sampling-rate CODECs are at least selectably made unavailable for use. If the battery level is higher than the threshold, then the high-sampling-rate CODECs are made available for use. If the level is greater than a threshold then both a high sampling-rate and the low sampling-rate CODEC are available. An indication generator generates an indication of selection made by the selector.08-20-2009
20090318199MOBILE EQUIPMENT AUTONOMOUS QUICK RELEASE DETECTION - An apparatus detects, over multiple transfers, an amount of data transferred to/from a network per transfer and/or an amount of time elapsed between transfers; and based at least on the detecting, the apparatus decides whether to trigger an early release from the network in order to at least reduce power consumption in the apparatus, where the decision is made in consideration of at least one configuration aspect of the network. In specific embodiments, the decision is made in consideration of availability and/or suitability of the power saving feature and configuration support in the network, which may be re-detected periodically; re-detection occurs after cell mobility, and/or network access element mobility and/or network control element mobility. An amount of useful data transfer per length of each connection for recent transfers can trigger the decision. Deactivating an early release may be based only on an amount of time that elapses between the transfers.12-24-2009
20090111532METHOD AND SYSTEM FOR SUPPORTING RESIDUAL ENERGY AWARENESS IN AN AD HOC WIRELESS COMMUNICATIONS NETWORK - A method of coordinating devices in a wireless network is provided. First capability data associated with a first type of power source and a first state of the power source of a first device is received at a second device. Second capability data is transmitted to the first device from the second device. The second capability data is associated with a second type of power source and a second state of the power source of the second device. The first capability data is compared with the second capability data at the second device. If the comparison indicates the first capability data is less desirable than the second capability data, the second capability data is transmitted again to the first device from the second device. If the comparison indicates the first capability data is more desirable than the second capability data, the first capability data is received again from the first device at the second device.04-30-2009
20080268918Methods and apparatuses for power reduction in transceivers - In a method for power reduction at a receiver, a first radio frame is processed to recover transmitted data based on transport format information. The transport format information is determined based on a combination of transport format information associated with a plurality of received radio frames rather than a single frame. In another method for power reduction at a receiver, whether transport format information associated with a first radio frame is different from transport format information associated with a second radio frame is determined. The transport channel data is then processed based on the determination. The first radio frame is received prior to the second radio frame, and the transport format information indicates a transport format for transport channel data received in the first and second radio frames.10-30-2008
20130130751WIRELESS COMMUNICATION DEVICE HAVING REDUCED POWER CONSUMPTION - A wireless communication device is disclosed that is capable of reduced power consumption. Uplink and downlink sub-frames in a WiMAX, 802.16m or LTE environment often include several vacant symbols during which power-hungry hardware and software components need not operate at full power. By analyzing a physical layer beacon and control information of a received signal, the specific locations of data bursts can be determined, as well as periods of needed operation of a receiver module to effectively decode those data bursts. The receiver module can otherwise be controlled to operate in a LOW power state during remaining periods of vacant time, thereby conserving power consumption and extending battery life.05-23-2013
20130130752FLIP-CHIP LINEAR POWER AMPLIFIER WITH HIGH POWER ADDED EFFICIENCY - Disclosed are devices and methods for improving power added efficiency and linearity of radio-frequency power amplifiers implemented in flip-chip configurations. In some embodiments, a harmonic termination circuit can be provided so as to be separate from an output matching network configured to provide impedance matching at a fundamental frequency. The harmonic termination circuit can be configured to terminate at a phase corresponding to a harmonic frequency of the power amplifier output. Such a configuration of separate fundamental matching network and harmonic termination circuit allows each to be tuned separately to thereby improve performance parameters such as power added efficiency and linearity.05-23-2013
20100304794METHOD AND APPARATUS FOR ADAPTIVE POWER SAVING IN A MOBILE COMPUTING DEVICE - A mobile computing device is described that includes one or more wireless transceivers, a data traffic monitor module operative to monitor one or more wireless communications parameters, and a power management module operative to select a power mode for the mobile computing device based on the one or more wireless communications parameters. In various embodiments, the power mode comprises an extended power save mode wherein the one or more wireless transceivers are disabled during a plurality of consecutive wireless beacon events. Other embodiments are described and claimed.12-02-2010
20100279745MOBILE COMMUNICATION DEVICE AND COMMUNICATION METHOD - A mobile communication device includes a processor; a data acquisition device for acquiring data and providing it to the processor; a transceiver for transmitting at least some of the acquired data to an external device; and a low-power clock. The low-power clock counts down a random delay time period and temporarily shifts the processor and the transceiver from low-power sleep modes to active wake modes so that the processor and transceiver can transmit at least some of the acquired data to the external device while in their active wake modes.11-04-2010
20100279744SYSTEMS AND METHODS FOR MANAGING POWER CONSUMPTION OF A TRANSCEIVER - Systems and methods for managing power consumption of a transceiver, e.g., Bluetooth, are provided. A representative transceiver includes an antenna that receives analog radio frequency (RF) signals, and a RF analog circuitry that receives and processes the analog RF signals from the antenna. An analog-to-digital converter (ADC) receives and converts the processed analog RF signals to digital RF signals. A digital circuitry includes a RF power detector that receives the digital RF signals and determines a RF power of the analog RF signals from the antenna based on the digital RF signals. A computing device instructs the RF analog circuitry to operate in low current drain RF receiver mode during page scanning and/or inquiry scanning. The computing device is designed to receive the RF power of the received analog RF signals and manages the power consumption of the transceiver based on the RF power.11-04-2010
20090069057Power-Aware Link Adaptation with Variable Bandwidth Allocation - Methods and apparatus are disclosed for reducing mobile terminal energy consumption during data transmissions by allocating resources and adapting link parameters in an energy-aware manner, based on throughput requirements and prevailing signal propagation conditions. A combination of transmit parameters designed to minimize the total energy consumed during data transmission is selected based on a throughput requirement and a path loss associated with a data transmission by a mobile terminal. The combination of transmit parameters includes a bandwidth allocation and may also include a modulation format, coding scheme, and transmit power setting, as well as parameters relating to multiple-antenna transmit schemes. The bandwidth allocation may correspond to a number of sub-carriers of an OFDM signal, or may correspond to a number of resource blocks in an SC-FDMA signal.03-12-2009
20110177847Power-saving Method for Mobile Communication Device - A power-saving method for a mobile communication device includes periodically stopping the mobile communication device transmitting data by a first ratio for a first predetermined time, and periodically stopping the mobile communication device transmitting data by a second ratio after the first predetermined time; wherein the first and the second ratios represent a period of stopping data transmitting and a period of executing data transmitting, and the second ratio is higher than the first ratio.07-21-2011
20110009173SIGNAL PROCESSING DEVICE, MOBILE COMMUNICATION TERMINAL DEVICE, AND WIRELESS COMMUNICATION SYSTEM - A signal processing device such as an RFIC having a function of holding therein control data, enabling stable operation of an integrated circuit because of suspension of power supply during the intermittent reception suspension period in the standby mode, and enabling further improvement of power saving. A portable communication terminal device and a radio communication system are also provided. The signal processing device has an RFIC unit (01-13-2011
20110086680APPARATUS AND METHOD FOR REDUCING CURRENT CONSUMPTION IN PORTABLE TERMINAL WITH FLEXIBLE DISPLAY - An apparatus and method for reducing current consumption in a portable terminal with a flexible display are provided. The apparatus includes at least one camera mounted on a first region of the portable terminal, a flexible display including a first area defined in the first region including the mounted camera and a second area defined in a second region not including the mounted camera, when the portable terminal is bent, and a controller for controlling the flexible display. If the image photographed through the camera includes a face image when the portable terminal is bent, information data is displayed on the first area and null data is displayed on the second area. If the image photographed through the camera does not include a face image when the portable terminal is bent, the null data is displayed on the first area and the information data is displayed on the second area.04-14-2011
20090124304WIRELESS READER TAGS (WRTs) WITH SENSOR COMPONENTS IN ASSET MONITORING AND TRACKING SYSTEMS - A wireless transceiver includes: (a) a low power radio frequency (LPRF) communications component capable of powering down to conserve energy and capable of powering up in response to an electronic signal, the LPRF communications component including a transmitter and a first receiver; and (b) a second receiver that is configured to screen a radio frequency broadcast and provide, on the basis of specific data identified therein, the electronic signal to the LPRF communications component in order to power up the LPRF communications component. The second receiver is adapted to draw less current than the LPRF communications component while awaiting receipt of and listening for a radio frequency broadcast.05-14-2009
20100081484COMMUNICATION APPARATUS, SEMICONDUCTOR INTEGRATED CIRCUIT, AND ELECTRONIC DEVICE - A communication apparatus (04-01-2010
20100285849Method and Apparatus For Staged Approach Transient RF Detection And Sensor Power Saving - A method includes receiving a first signal from an antenna of a device and at least one internal device signal in a low-energy consumption path, detecting a peak in at least one of the first signal and the at least one internal device signal, and activating a higher energy consumption path to analyze the first signal when the detected peak is not in one of the at least one internal device signal.11-11-2010
20100285848MOBILE PHONE POWER-SAVING BY USAGE LEARNING - A method for controlling the operation of a mobile phone backlight. The method may include receiving an incoming call. The method may also include receiving a selection from a user in response to receiving the incoming call. The method may include storing information relating to the selection received from the user. The method may further include turning off the mobile phone backlight after the passing of a predetermined time span of user inaction. The passing of the predetermined time span may follow the selection received from the user. The length of the predetermined time span may be determined at least in part using an algorithm. The method may also include modifying the algorithm based at least in part on the stored information.11-11-2010
20090312073METHODS AND SYSTEMS FOR POWER SAVINGS USING A MESSAGE INDICATION HEADER - Techniques for signaling a mobile communications device in a special operating state that data bursts contain messages relevant to the special operating state. The signaling may be implemented using one or more bits in a frame control header (FCH). As a result, the mobile communication device may be decode the FCH first and decode data bursts only if there is an indication the data bursts contain a relevant message. Power savings may be achieved at the mobile communications device by avoiding decoding data bursts with no relevant messages.12-17-2009
20110151944METHODS AND APPARATUS FOR CONSERVING ENERGY USED BY A MOBILE DEVICE - Methods and apparatus are provided for saving energy in a mobile device configured to maintain a persistent communication session with an application server over a wireless network. A method comprises detecting a traffic pattern between a mobile device and an application server for maintaining a persistent communication session and automatically initiating a transition of the mobile device from a first operating state to a second operating state in response to detecting the traffic pattern. The power consumption associated with the second operating state is less than power consumption associated with the first operating state.06-23-2011
20100056229SYSTEM AND METHOD FOR POWER CONSUMPTION CONTROL IN A WIRELESS DEVICE - A technique for controlling power consumption in a wireless device detects data frames indicating a pause in the reception of speech frames from the wireless network. The mobile unit places the receiver circuitry in a low-power or sleep mode to thereby reduce processor cycles and save battery power. At the end of a time period, the receiver circuitry awakens to receive and process additional speech frames or to return to the low-power mode if no additional speech signals have been received.03-04-2010
20100069126GENERATING, AT LEAST IN PART, AND/OR RECEIVING, AT LEAST IN PART, AT LEAST ONE REQUEST - In an embodiment, an apparatus is provided that may include circuitry to generate, at least in part, and/or receive, at least in part, at least one request that at least one network node generate, at least in part, information. The information may be to permit selection, at least in part, of (1) at least one power consumption state of the at least one network node, and (2) at least one time period. The at least one time period may be to elapse, after receipt by at least one other network node of at least one packet, prior to requesting at least one change in the at least one power consumption state. The at least one packet may be to be transmitted to the at least one network node. Of course, many alternatives, modifications, and variations are possible without departing from this embodiment.03-18-2010
20090215504CONTENT DELIVERY SYSTEM AND METHOD FOR A MOBILE COMMUNICATION DEVICE - A method of content transmission to a mobile device in a mobile communication network is provided. The method includes determining whether the mobile device is in a first mode; delivering real-time content to the mobile device while the mobile device is in the first mode; and discontinuing delivery of real-time content if the mobile device is in a second mode.08-27-2009
20100069127ELECTRONIC DEVICES FOR RECEIVING PUSHED DATA - Mobile devices such as cellular telephones are provided that communicate with wireless networks. Cellular telephone network equipment may communicate with a cellular telephone over a data connection. The cellular telephone may have an internet protocol (IP) address that allows data to be provided to the cellular telephone over the data connection. To conserve resources and release unused IP addresses, the cellular telephone network equipment may deactivate inactive data connections after a period of inactivity. A baseband processor within a mobile device may periodically send User Datagram Protocol (UDP) keep-alive packets over the data connection to ensure that the data connection remains active. The keep-alive packets may be directed to a packet sink server or may be associated with a black hole route. An applications processor in the telephone may remain in sleep mode during keep-alive packet transmission to conserve power.03-18-2010
20110077059APPARATUS AND METHOD FOR REDUCING POWER COMSUMPTION IN MULTI ANTENNA SYSTEM - An apparatus and method for reducing the power consumption of a Base Station (BS) in a multi antenna system are provided. The method for reducing the power consumption of the BS includes identifying an amount of resources being in use for communication, determining whether to convert at least one Radio Frequency (RF) unit into a power saving mode considering the amount of resources, if converting at least one RF unit into the power saving mode, turning OFF a power supply of a power amplifier of at least one of at least two antenna paths constituting the at least one RF unit converted into the power saving mode, and increasing a gain of at least one antenna path turning ON a power supply such that a transmission Power Spectral Density (PSD) is not changed according to the power saving mode conversion.03-31-2011
20090023482MOBILE INFORMATION TERMINAL - A mobile information terminal that changes various settings associated with reproduction of a moving image content based on a type of the content so as to reduce power consumption. The mobile information terminal starts a television in response to operation by a user, and receives a moving image content of a selected broadcast program, and EPG data. When a power saving mode is ON, the type of the program is judged according to the EPG data. Subsequently, a default frame rate is changed to a value that has been preset for the program type. Hence, the mobile information terminal reproduces the program at a suitable frame rate. Such a change may be made to settings other than the frame rate.01-22-2009
20080248840DISCONTINUOUS RECEPTION METHOD AND APPARATUS OF USER EQUIPMENT IN A MOBILE COMMUNICATION SYSTEM - A method and apparatus for DRX of a UE in a mobile communication system are provided, in which the UE receives setting information from a network, the setting information including a first DRX cycle length and a second DRX cycle length for a predetermined data service. Upon generation of uplink data, the UE transitions to a downloading phase in which active periods are set according to the first DRX cycle length.10-09-2008
20100056230Optimization of Power Conservation with Respect to Application Requirements - An apparatus comprising a power supply, a first interface coupled to the power supply and associated with a first operational mode and a second operational mode, and a second interface coupled to the power supply and associated with a third operational mode, wherein the wireless device is associated with an application having a response time requirement, wherein the first operational mode does not meets the response time requirement via the first interface, wherein the second operational mode meets the response time requirement via the first interface, wherein the third operational mode meets the response time requirement via the second interface, and wherein the apparatus is configured to consume less power using the first operational mode and the third operational mode than when using the second operational mode.03-04-2010
20080274773WIRELESS NETWORK DEVICE WITH A SIGNAL DETECTION FUNCTION AND SWITCHING METHOD FOR THE SAME - A wireless network device is provided for switching into a first functional mode and a second functional mode according to the source of received power. The wireless network device includes a wireless network communication module, a processor, a power module, and a voltage regulator. The wireless network communication module is utilized for transceiving wireless network signal, and the processor is connected to the wireless network communication module. The power module selectively receives a power from one of a battery and a computer. The voltage regulator is connected to the processor, for selectively switching into the first functional mode when receiving the power form the battery, or switching into the second functional mode when receiving the power from the computer.11-06-2008
20080242371Mobile terminal device, communication system, electric power control method - A mobile terminal device has an electric-power-reduction operation mode for operation with reduced electric power consumption. The mobile terminal device includes an emergency determining unit that determines whether there is an emergency; and an operation mode control unit that controls to shift to the electric-power-reduction operation mode when the emergency determining unit determines that there is the emergency.10-02-2008
20080318643METHOD OF REDUCING POWER CONSUMPTION IN A UE WHEN THE UE IS IN IDLE MODE - A method is described for determining the rate of performing neighbor cell measurements by a User Equipment (UE) in an idle mode, which is based on the RANK information of the serving cell and neighbor cells. The RANK information is available with the UE. Comparison of the RANK of the serving cell with a predefined Threshold Value along with the status of the Order of the RANKs of the neighbor cells for a predefined number of DRX cycles, are verified to conclude whether the UE should perform the neighbor cell measurement when the UE is in the idle mode. Thus the method utilizes cell RANKs to determine the network topology. The RANKs are deduced using Hysteresis, Cell Individual offsets, and other parameters by the UE to provide a more practical indication of the neighboring environment of a cell.12-25-2008
20080254841Communication terminal and computer-readable storage medium - A controller of the communication terminal identifies, after power is turned on, whether or not to use a cellular phone communicating unit or a wireless LAN communicating unit based on communication system information stored beforehand in a storing unit. When the identification is complete, the controller initializes the cellular phone communicating unit, and, according to results of the identification, causes the cellular phone communicating unit to enter standby state or sleep state. Next, the controller initializes the wireless LAN communicating unit, and, according to results of the identification, causes the wireless LAN communicating unit to enter standby state or sleep state. When an application which using a wireless communicating unit in sleep state is launched, the controller causes that wireless communicating unit to enter standby state from sleep state.10-16-2008
20080254842TRANSCEIVER WITH POWER-SAVING FUNCTION AND THE METHOD THEREOF - The present invention provides a transceiver with power-saving function and the method thereof, in which when the network is on link-down status, the transmitter will enter the power-saving mode, and with an auxiliary circuit to provide a comfortable common-mode voltage and to present comfortable impedance matching to save the power consumption.10-16-2008
20110053658METHOD AND APPARATUS OF SLEEP MODE OPERATION IN MULTI-CARRIER SYSTEM - Disclosed herein relates to a method and apparatus of establishing a sleep mode operation in a multi-carrier system. The method of establishing a sleep mode operation in a communication system of transmitting and receiving data using a multi-carrier including a primary carrier for transmitting and receiving control information and data and a secondary carrier using a radio frequency (RF) different from the primary carrier may include requesting a sleep mode switching to a base station through the primary carrier and receiving a sleep mode parameter including a sleep mode cycle and a listening window from the base station; entering into a multi-carrier sleep mode having a sleep cycle configured with a listening window capable of transmitting and receiving data and a sleep window incapable of transmitting and receiving data; transmitting a bandwidth request message to a base station through the primary carrier if data traffic to be is transmitted to the base station is generated in the multi-carrier sleep window;03-03-2011
20110053657APPARATUS AND METHOD FOR MAXIMUM POWER SAVING IN SLEEP MODE - An apparatus and method for an improved sleep mode in a mobile terminal are provided. The apparatus includes a transceiver for communicating with a base station, a modem for modulating and demodulating signals for transmission via the transceiver or received via the transceiver, and a controller for controlling a sleep cycle of the mobile terminal, the sleep cycle including a listening window and a sleep window. The controller controls the sleep cycle based on an Advanced Mobile Station (AMS) timer, a Hybrid Repeat Request (HARQ) Downlink (DL) Retransmission timer, a HARQ DL Gap timer, and a HARQ Uplink (UL) Gap timer.03-03-2011
20110053656PORTABLE ELECTRONICS DEVICE WITH PROGRAMMABLE BATTERY - A portable electronics device comprises at least one device subsystem, and a programmable battery. The programmable battery is coupled to a power input of the device subsystem and is configured to dynamically adjust a characteristic of the power that is applied to the power input in accordance with a power configuration command that is received at the battery.03-03-2011
20100120476Base Station, Method of Operating a Base Station and Wireless Communication System - A base station for wireless communication comprises a receiver and a processor. The receiver has a first operating state and a second operating state with different power consumption levels. In the first operating state, the receiver is configured to receive a signal. The processor is coupled to the receiver to switch the receiver between the first and second operating states.05-13-2010
20100120477MOBILE APPARATUS, POWER SAVING CONTROL METHOD IN MOBILE APPARATUS, AND COMPUTER-READABLE MEDIUM - A mobile apparatus including: a wireless communication module that receives a signal transmitted via a base station; a display that displays character; an input module that inputs the character or operation data; a first operating mode in which electric power is supplied to the display; a second operating mode in which electric power is not supplied to the display; an information reception module that receives information received via the wireless communication module or power saving monitoring information; an input monitoring module that monitors an unoperated state; a display controller that switches the first operating mode to the second operating mode when the unoperated state is detected; and a power saving controller that reduces information reception frequency at the information reception module when the unoperated state is detected by the input monitoring module.05-13-2010
20100216524APPARATUS PROVIDING PLURAL WIRELESS TRANSCEIVERS WITHIN A DESIRED POWER BUDGET AND ASSOCIATED METHOD - The present invention provides an apparatus providing plural wireless transceivers within a desired power budget and associated methods. A plurality of wireless communication modules, each having a lower-power state and a higher-power state are provided, drawing power from a common source. Arbitration is performed to control which of the plurality of wireless communication modules are in the higher-power state, thereby controlling total power delivered by the power source to the plurality of wireless communication modules.08-26-2010
20100069128METHODS AND SYSTEMS FOR STATE-DRIVEN POWER SAVINGS FOR WIMAX - Methods and apparatus for conserving battery power in a mobile device for wireless communication by dynamically adjusting the clock frequency and/or the voltage of the device's processor according to the Media Access Control (MAC) layer state are provided. By using a higher clock frequency and/or a higher voltage for a normal operation state with large amounts of data traffic and lower clock frequencies and/or lower voltages for other MAC layer states (e.g., acquisition, network entry, and sleep/idle states), battery power may be conserved, thereby extending the time in which the device may operate between battery charging cycles.03-18-2010
20120302295MANAGING PROJECTED POWER OUTAGE AT MOBILE RADIO BASE SITES - Power management methods are provided for projecting the likelihood of forthcoming power outage at one or more mobile radio base sites and for mitigating the effects of such a projected power outage.11-29-2012
20100029346TRANSCEIVER DEVICE AND POWER SAVING METHOD THEREOF - A transceiver device and a power saving method thereof are provided. The transceiver device includes a transmitter, a receiver, and a control module. The control module is coupled to the transmitter and the receiver. After the control module lowers the output power of either the transmitter, the receiver, or both of them, the control module checks a signal transmission between the transceiver device and a far-end device is normal or not. When the signal transmission between the transceiver device and the far-end device is abnormal, the control module readjusts the output power of the transmitter, the receiver, or both of them. Thereby, the power consumption of the transceiver device is decreased.02-04-2010
20100029347APPARATUSES AND A METHOD FOR REDUCING PEAK POWER IN A TRANSMITTER OF TELECOMMUNICATIONS SYSTEMS - The present invention relates to an apparatus (02-04-2010
20100311474WIRELESS ELECTRONIC DEVICE WITH OPEN-LOOP AND CLOSED-LOOP OUTPUT POWER CONTROL - Wireless circuitry in an electronic device may contain radio-frequency transceiver circuitry and power amplifier circuitry that transmits radio-frequency signals through an antenna. A tap and power detector that are interposed in the radio-frequency signal path between the power amplifier circuitry and the antenna may be used to make output power measurements. Control circuitry may control the wireless circuitry in an open-loop control regime in which output power adjustments are based on a requested power without using the output power measurements. The control circuitry may also control the wireless circuitry in a closed-loop control regime in which the output power measurements serve as a source of real time feedback to determine whether to increase or decrease the output power. The output power may be controlled using linear transition zone power control curves in a transition zone between the open-loop regime and the closed-loop regime.12-09-2010
20110319144POWER MANAGEMENT PROFILE - The present invention provides a method and system suitable for managing the power consumption of a mobile communication device by way of a user-selectable profile. In response to receiving a power management-initiating signal the mobile communication device performs at least one of the following: Receipt of incoming communication is deferred while other functionality of the mobile communication device is retained; outgoing communication is grouped into a single transmission; and a subsequent transmission is deferred if the transmission requires power exceeding a predetermined threshold.12-29-2011
20120046084FEMTOCELL AND CONTROLLING METHOD THEREOF - A femtocell includes a memory, a transmitter, a receiver and a controller. The memory stores access probability values in different time periods, and a comparison table of power saving rates and probability thresholds. Each power saving rate is a proportion of the time periods whose access probability values are not more than a predetermining probability threshold and all time periods. The controller includes a setting module setting the predetermining probability threshold, a time module getting a current time and a corresponding current time period, a user identifying module determining whether the user accessing the femtocell through the receiver is a registered user, a switching module controlling the transmitter through determining whether the access probability value at the current time period is less than the predetermined probability threshold, a statistic module calculating the access probability value at the current time period according to the identifying result of the user identifying module.02-23-2012
20090253470CONTROL OF USER EQUIPMENT DISCONTINUOUS RECEPTION SETTING VIA MAC LCID - The embodiments of the present invention provide for methods, devices, and systems adapted to enable an eNodeB to instruct a user equipment/device (UE) to adjust its current discontinuous reception (DRX) state, cycle level or cycle state, based on one or more reserved bit values of a MAC LCID.10-08-2009
20120015698METHOD FOR CONTROLLING POWER IN WIRELESS TELEPHONE SET - A method for controlling power in a wireless telephone set is provided. The method includes controlling a power supply to a receiving section and a transmitting section by using a transmitting section turn-on signal to turn on the transmitting section, when the transmitting section turn-on signal is received in a slot mode for alternating between a receiving condition and a sleeping condition at predetermined intervals, and when the transmitting section turn-on signal is not received, controlling the power supply to the receiving section according to the receiving condition of slot mode control signals during the slot mode when no interrupting signal has been detected.01-19-2012
20120058805MOBILE DEVICE AND METHOD FOR CUTOFF-BASED POWER CONTROL - A mobile device and its control method allow a system booting in an emergency mode to operate by redefining a reference cutoff voltage when the mobile device enters into the power-off state in a cutoff mode, wherein the mobile device can support an emergency call service through a minimum booting procedure although other non-essential functions have been curtailed.03-08-2012
20120157170MOBILE DEVICE RADIO USE OPTIMIZATION BY BATCHING LOW PRIORITY REQUESTS - Systems and methods of context aware traffic management for network and device resource conservation are disclosed. In one aspect, embodiments of the present disclosure include a method, which may be implemented on a system, for using characteristics of user activity on the mobile device to locally adjust behavior of the mobile device to optimize battery consumption on the mobile device, using characteristics of user activity on the mobile device to locally adjust behavior of the mobile device to optimize battery consumption on the mobile device, and/or using characteristics of user activity on the mobile device to locally adjust behavior of the mobile device to optimize battery consumption on the mobile device.06-21-2012
20120071216SYSTEMS AND METHODS FOR OPTIMIZING THE CONFIGURATION OF A SET OF PERFORMANCE SCALING ALGORITHMS - Systems and methods for optimizing performance scaling algorithms designated for operation on a mobile device are disclosed. A system memory includes program, use case, and results stores in addition to test logic. The program store contains a set of programs defined by the combination of a performance scaling algorithm and a set of parameters. The use case store contains information that identifies expected tasks to be performed by end users of the mobile device over time. The results store organizes a respective merit value determined after each of the set of programs has been executed for tasks defined by each use case. When executed, the test logic adjusts the mobile device and associates a select program for each of the use cases in response to the stored merit values. The merit values are determined as a function of a performance metric and a power metric.03-22-2012
20120115552METHOD AND APPARATUS FOR POWER CONSERVATION FOR A MOBILE DEVICE IN IDLE MODE - In accordance with an example embodiment of the present invention, a method comprises determining a sleep cycle comprising a number of discontinuous reception (DRX) cycles at a user equipment (UE) based at least on one of a current available power level, a call setup delay interval, and a quality of a received paging indicator channel (PICH) signal; entering a power saving mode during the determined sleep cycle at the user equipment (UE) upon an occurrence of a triggering event; and waking up from the power saving mode and checking for an active call after an occurrence of a second triggering event.05-10-2012
20110065485SYSTEM AND METHOD OF DETERMINING STANDBY TIME FOR MOBILE STATIONS - A method and system for determining standby time for a mobile station uses a battery simulator, a base station emulator, a computer to control the test equipment and MSUT for testing a mobile station. The computer includes a module for determining a radio off battery voltage, a module for deriving a battery capacity in dependence upon the radio off battery voltage, a module for measuring battery capacity usage in a predetermined time while the mobile station is in standby mode and a module for determining a standby time for the mobile station in dependence upon the battery capacity and the battery capacity usage, where the predetermined time is less than the standby time.03-17-2011
20110105200Base Station Device, Mobile Communication Method, And Mobile Communication System - A base station device for making communications with a mobile terminal includes a communication monitoring unit that monitors a communication situation between the base station device and the mobile terminal; and an operational-power control unit that causes, when the communication monitoring unit detects that no communications between the base station device and the mobile terminal have been made for a predetermined continuous period or longer, the base station device to operate at a power lower than a predetermined power.05-05-2011
20110105199COMMUNICATION TERMINAL APPARATUS, POWER SUPPLY CONTROL METHOD, AND POWER SUPPLY CONTROL PROGRAM - A communication terminal apparatus (separate type portable telephone) separated into a first communication apparatus (parent device) and a second communication apparatus (child device), the first communication apparatus and the second communication apparatus in a separated state being wirelessly connected through direct communication. The communication terminal apparatus includes a joining detecting unit and a power supply control unit. The joining detecting unit detects joining between the first communication apparatus and the second communication apparatus. The power supply control unit performs control for conforming a power control state of the second communication apparatus to a power control state of the first communication apparatus if the first communication apparatus and the second communication apparatus are joined while the power control states are different between the first communication apparatus and the second communication apparatus.05-05-2011
20100093408WIRELESS COMMUNICATION TERMINAL AND BATTERY CAPACITANCE MEASURING METHOD THEREOF - A wireless communication terminal includes a battery module, a monitor module, a battery-capacitance update module, and a display module. The monitor module detects a working state of the wireless communication terminal including idle and communication states, periodically detects and records a voltage of the battery module, calculates dynamic average voltages of the battery module in the idle and communication states, and subtracts the dynamic average voltages in the idle and communication states to calculate a dynamic voltage compensation of the battery module in the communication state. The battery-capacitance update module includes a timer, and detects a voltage of the battery module after the timer has timed out, compensates the detected voltage with the dynamic voltage compensation when in the communication state, and reads battery capacitance of the battery module according to the compensated voltage. The display module displays the battery capacitance.04-15-2010
20120122527SYSTEM AND METHOD FOR SELECTIVELY ACTIVATING A COMMUNICATION DEVICE - The disclosure provides a system and method for managing power and activation of a communication device. The system comprises: a microprocessor controlling the electronic device; an accelerometer; and a power application operating on the microprocessor. The application provides instructions to the microprocessor to place the electronic device in a low power state from a higher power state upon determining from movement data generated by the accelerometer that the electronic device has been returned to around a resting location where the electronic device was previously in a stationary state from a first location that is in a spaced relationship to the resting location.05-17-2012
20120315962COMMUNICATION DEVICE - A communication device includes a receiver, a transmitter and an interruption module. The receiver receives an allocation signal indicating a first period usable by the communication device and a second period usable by a plurality of communication devices including the communication device. The transmitter transmits a transmission signal in the first period. If the transmission of the transmission signal is completed within the first period, the interruption module interrupts at least a part of power supply to the receiver in the second period. If the transmission of the transmission signal is not completed within the first period and directivity of radio waves used by a second communication device includes a direction of the communication device in a communication period allocated before the second period, the transmitter transmits the transmission signal in the second period.12-13-2012
20090131123REDUCED POWER CONSUMPTION IN SOFTWARE RADIOS - Provided are apparatuses and methods for reducing processor load or power consumption during channel estimation in a receiver. For example, a receiver may monitor a transmission channel and determine if a change in channel parameters or characteristics has occurred. If a change is detected, the receiver may update filter coefficients associated with channel estimation. If a change is not detected, the filter coefficients may be maintained such that no change or updated is made to the filter coefficients.05-21-2009
20090131122METHODS AND APPARATUS FOR DOWNLOADING ONE OR MORE RADIO DATA SYSTEM (RDS) GROUP TYPE PROCESSING ROUTINES FOR RDS DATA - A host system for downloading one or more Radio Data System (RDS) group type processing routines for RDS data includes a data processor and a host processor. The host processor is configured to download one or more RDS group type processing routines for the data processor, each of the one or more RDS group type processing routines configured to process RDS data for a respective RDS group type. The host processor is further configured to assign a reference in the data processor to a corresponding one of the one or more RDS group type processing routines, so that the corresponding RDS group type processing routine is to be invoked by RDS data having the respective RDS group type. A method is also provided for downloading one or more RDS group type processing routines for RDS data.05-21-2009
20110183727MOBILE COMMUNICATION TERMINAL - In one embodiment, a mobile communication terminal is equipped with a first control unit for execution a communication, a second control unit for executing an application program, and a timer unit for generating an interrupt signal when a count value equals a timer value set by the first control unit. The second control unit transmits first information including sleep time to the first control unit and changes to a sleep state. The first control unit sets a timer value in the timer unit in response to the first information and transmits to the second control unit second information for waking the second control unit when the interrupt signal is generated by the timer unit.07-28-2011
20120129578Detecting circuit for electric quantity, processing device and method for state detection of mobile telephone in standby - The present disclosure provides a processing method for detecting a state of a mobile telephone in standby, the method includes: determining whether a battery electric quantity of the mobile telephone in standby is high or low according to an electric quantity detecting circuit; determining a work state of a Modem module when the battery electric quantity of the mobile telephone is high; and determining a wakeup subsequent flow according to the determined battery electric quantity of the mobile telephone and the determined work state of the Modem module. The present disclosure further provides an electric quantity detecting circuit and a processing device for state detection of a mobile telephone in standby.05-24-2012
20120165080WIRELESS DEVICE BATTERY CONSERVATION METHOD AND SYSTEM - Generally, the present invention provides a method for detecting poor RF conditions, and entering different sleep mode levels or phases in accordance with the RF conditions to save battery power. Mobile device battery life can be conserved when the mobile device detects poor RF conditions and enters a deep sleep mode of operation. In this deep sleep mode of operation the mobile device periodically samples the RF conditions and gradually increases the period between samples when the RF conditions do not improve. Because mobility can change the RF condition for wireless devices even in areas of good RF coverage, the mobile device operating in the deep sleep mode can detect this mobility and thus enhance the probability of entering an idle state, or alternatively, entering a longer power save mode. When the RF condition improves, the mobile device exits from the deep sleep mode and returns to the idle state.06-28-2012
20120231858METHOD AND SYSTEM FOR SAVING ENERGY IN A MOBILE TERMINAL - Method for saving energy in a mobile terminal, this method comprising 09-13-2012
20100048256Automated Response To And Sensing Of User Activity In Portable Devices - The various methods and devices described herein relate to devices which, in at least certain embodiments, may include one or more sensors for providing data relating to user activity and at least one processor for causing the device to respond based on the user activity which was determined, at least in part, through the sensors. The response by the device may include a change of state of the device, and the response may be automatically performed after the user activity is determined.02-25-2010
20120270611METHOD FOR CONTROLLING MOBILE TERMINAL - A method for controlling a mobile terminal is provided. The method includes obtaining operation mode switching information made by a sensor, and determining whether an operation mode switching condition of the mobile terminal is satisfied based on the information; and switching an operation mode of the mobile terminal, if the switching condition is satisfied, wherein obtaining and switching are performed by an application that invokes and uses an Application Programming Interface (API).10-25-2012
20100009726Electronic apparatus and storage medium storing load distribution program - An electronic apparatus includes: a clock generation section which generates and outputs a clock of a frequency according to a state; and an MPU and a DSP which, being supplied with the clock generated by the clock generation section, execute processes at a processing speed synchronized with the clock. The electronic apparatus further includes: a load prediction section which predicts a DSP load based on a DSP application to be executed now out of DSP applications installed by being coded for processing by the DSP as well as on a frequency of a clock currently being outputted from the clock generation section; and a load allocation section which allocates part of processes of the DSP application to be executed now to the MPU, based on the load predicted by the load prediction section and thereby makes the MPU execute the part of processes.01-14-2010
20100009725Systems and Methods for Reducing Power Consumption in Wireless Devices - In one embodiment, the present invention includes a method for reducing power consumption in wireless devices. The method comprises establishing a Wireless link between a local device and a remote device and sending a message to the remote device across the wireless link. The message may specify a communication schedule. Communications between the local device and the remote device are performed according to said communication schedule. The communication schedule specifies time periods in which data is not transferred between the local device and the remote device, and during such time periods at least one of the local device or the remote device enters a low power mode01-14-2010
20100291977SYSTEM AND METHOD FOR ACTIVATING A COMMUNICATION DEVICE BASED ON USAGE INFORMATION - The disclosure provides a system and method for controlling operation of a device. The device comprises: a display; a memory device; an activation sensor; and a microprocessor. The microprocessor is programmed to: identify an activation cycle as a function of a plurality of activation times of the device stored in the memory device, an activation cycle including a higher power consumption mode; determine an activation boundary for the activation cycle utilizing said plurality of activation times; and place the device in a lower power consumption mode than the higher power consumption mode when the activation cycle is complete.11-18-2010
20120220351Method and Apparatus for Reduced Power Consumption When Operating as a Bluetooth Low Energy Device - An apparatus, a method and a computer program product is disclosed for a Bluetooth communication transceiver. The Bluetooth communication transceiver is configured as a Bluetooth low energy device performing timing measurements which are to be used for power saving. Based at least in part on the timing measurements, receive activation timings of the Bluetooth communication transceiver are adjusted. Further, a sleep clock of the apparatus may be used for calibration of the receive activation timings.08-30-2012
20120315963System and Method for Display Timeout on Mobile Communication Devices - A mobile communication device includes executable instructions for carrying out a method including setting a time duration for an application, receiving a first input, receiving a second input, determining the elapsed time between the first and second inputs, modifying the time duration based upon the elapsed time, and dimming a screen of the mobile device when the elapsed time exceeds the time duration.12-13-2012
20120315960MOBILE TERMINAL AND BATTERY POWER SAVING MODE SWITCHING METHOD THEREOF - A mobile terminal is switched into a specific battery power saving mode based upon a usage pattern of the terminal so as to control battery power saving items individually or by each group. A method for switching a battery power saving mode of the mobile terminal includes analyzing a usage pattern of the terminal, automatically switching the terminal mode into a power saving mode according to the analyzed usage pattern, and controlling a displayed screen with respect to each event in the switched power saving mode.12-13-2012
20120315961DEVICE FOR DERIVING A DYNAMIC VOLTAGE SCALING DATA PROFILE - A wireless communication device for deriving a dynamic voltage scaling data profile is described. The wireless communication device includes memory that includes a dynamic voltage scaling voice profile. The wireless communication device also includes a data profile determination module coupled to the memory. The data profile determination module obtains an offset and derives a dynamic voltage scaling data profile by offsetting the dynamic voltage scaling voice profile based on the offset.12-13-2012
20080300027Systems and Techniques for Reducing Power Consumption in a Mobile Computing Device - Various embodiments are directed to systems and techniques for reducing power consumption in a mobile computing device. In one or more embodiments, a mobile computing device may be arranged to determine a user environment based on detected antenna impedance or detected current. After the user environment is determined, the mobile computing device may confirm that total radiation power (TRP) for the mobile computing device at an initial conducted power level exceeds the minimum TRP threshold required by the network carrier to receive acceptable quality of service (QoS). Based on the excess TRP for the particular user environment, the mobile computing device may determine a reduced conducted power level to be input to an antenna system. Accordingly, significant power savings may be achieved. To save additional power, the mobile computing device may automatically adjust and/or improve antenna impedance matching based on user environment allowing a further reduction in conducted power. Other embodiments are described and claimed.12-04-2008
20110039607MULTIPLE NETWORK WAKE-UP - A system and method for managing messaging in a mobile communication system (e.g., having power-save capability) in a multiple network environment. For example, the mobile communication system may operate in a power-save mode (e.g., a mode in which the mobile communication system does not communicate messages). The mobile communication system may exit the power-save mode. After exiting from the power-save mode, the mobile communication system may determine to establish communication with a second system (e.g., a message server) over a second communication path instead of a first communication path. Communication with the second system may be established over the second communication path, and message-related information may be communicated between the mobile communication system and the second system. Such message-related information may, for example, comprise message information, information regarding message availability, or information regarding the communication of message information.02-17-2011
20110039606MOBILE TERMINAL AND POWER SOURCE CONTROLLING METHOD THEREOF - A mobile terminal and power source controlling method thereof are disclosed, by which power consumption can be efficiently controlled in a low power mode. The present invention includes calculating a remaining power level of a power supply unit, if the calculated remaining power level is equal to or lower than a predetermined reference, entering a power saving mode, if the power saving mode is entered, activating a basic operation related module, if the power saving mode is entered, comparing a power consumption level required for a designated operation execution to the calculated remaining power level, and if the remaining power level is equal to or higher by a predetermined level or more than the power consumption level as a result of the comparing step, outputting designated operation execution possibility indication information.02-17-2011
20110045875Communicating over a Wireless Network - A first device communicates with a wireless network that includes nodes that are active for predefined activation times and that are at least partially dormant when not active. The communication method includes identifying a start of communication via a message that exceeds a maximum activation time of nodes on the wireless network by a factor N, where N is equal to at least a maximum number of frequencies on the wireless network, and exchanging information with a second device comprising a node on the wireless network that is within a transmission range of the first device, where the information is exchanged following the message and includes frequency hopping data for the second device.02-24-2011
20120322515Apparatus and Method to Indicate Power Saving Mode of a Network Element - A method of controlling the mode of a user equipment includes forwarding a message from the network element to the network indicating a request to move to a power saving mode/state; and moving the user equipment to a power saving state/mode. The method may including deciding at the network which state the network element is to move to; and indicating this and/or further data pertaining to said state/mode, to the network element. The mode may be an IDLE or Connected mode of LTE and includes an extended DRX cycle.12-20-2012
20120329533Portable Communication Device with Multi-Tiered Power Save Operation - A system for operating a portable communication device includes a module to operate the portable communication device in a first mode. The system may provide telephony service to a user at a first performance level. The system may determine to operate the portable communication device in a power-save mode that is different from the first mode. The system may operate the portable communication device in the power-save mode and provide telephony service to the user at a second performance level different from the first performance level.12-27-2012
20120100897Circuit and Method for Reducing Radio-Frequency Power Consumption of Mobile Phone - The invention discloses a circuit and a method for reducing radio frequency power consumption of mobile phone, wherein a baseband processing chip (04-26-2012
20120100896RADIO COMMUNICATION BASE STATION DEVICE AND RADIO COMMUNICATION METHOD - It is possible to provide a radio communication terminal device, a radio communication base station device, and a radio communication method capable of rapidly completing a handover even during DRX/DTX. In the devices and the method, a terminal (04-26-2012
20120100895ENERGY EFFICIENT CONTINUOUS SENSING FOR COMMUNICATIONS DEVICES - A “Communication Device with Energy Efficient Sensing” provides various techniques for enabling a variety of sensor-based applications and processes while conserving energy on mobile communications devices. More specifically, the Communication Device with Energy Efficient Sensing provides a novel sensing architecture for mobile communications devices where sampling and, in various embodiments, processing, of sensor data received from one or more sensors is offloaded to a dedicated low-power processor having the capability to interact with a primary processor of the communications device. Such sensors include, but are not limited to accelerometers, ambient light sensors, compasses, microphones, pressure sensors, touch sensors, low-power radio devices, etc. This approach enables the communications device to perform continuous sensing with a low power overhead. In various tested embodiments, it has been observed that that the sensing architecture described herein can be two to three orders of magnitude more energy efficient in comparison to conventional communications devices.04-26-2012
20100130267LPRF DEVICE WAKE UP USING WIRELESS TAG - A wireless transceiver includes: (a) a low power radio frequency (LPRF) communications component capable of powering down to conserve energy and capable of powering up in response to an electronic signal, the LPRF communications component including a transmitter and a first receiver; and (b) a second receiver that is configured to screen a radio frequency broadcast and provide, on the basis of specific data identified therein, the electronic signal to the LPRF communications component in order to power up the LPRF communications component. The second receiver is adapted to draw less current than the LPRF communications component while awaiting receipt of and listening for a radio frequency broadcast.05-27-2010
20100130266Device and Method for Battery Life Management Using Global or Local Positioning System - A device includes a memory, a wireless transceiver and a positioning system. The memory stores a first area in which a wireless network lacks coverage. The wireless transceiver is adapted to communicate with the wireless network. The positioning system determines a position of the device to determine whether the device is located within the first area. The wireless transceiver does not attempt to communicate with the wireless network if the positioning system determines that the device is located within the first area.05-27-2010
20130017869MAC controlled sleep mode/wake-up mode with staged wake-up for power management - A power management scheme for a wireless communications device processor substantially implemented on a single CMOS integrated circuit is described. By incorporating controls for sleep and wake-up mode transitions in the processor's control logic, improved power savings with reduced latency is provided, obviating the need for hardware-focused solutions with elaborate signaling mechanisms. A fully integrated power management with staged wake-up operations controlled by the MAC solution consumes less power than the conventional wireless LAN solutions in standby mode.01-17-2013
20110159931Time-Related Power Systems - A method, programmed medium and system are disclosed which provide for user-controlled management of power requirements for mobile devices. The system dynamically adjusts power settings according to goals set by the end user. The end user specifies a time-to-live goal in hours, minutes or a predetermined date/time and the power management function continuously monitors and adjusts power components to meet that goal.06-30-2011
20080242370EFFICIENT SERVER POLLING SYSTEM AND METHOD - A method of requesting content from a communication server in a mobile communication network is provided. The method comprises determining whether the mobile device is in a first mode; requesting content for delivery to the mobile device, while the mobile device is in the first mode; and discontinuing requesting the content if the mobile device is in a second mode, wherein the first mode is distinguished from the second mode based on length of lack of user interaction with the mobile device to perform one or more functions.10-02-2008
20080234012Scheduling for power savings in a wireless network - In a wireless network, a wireless device may dynamically estimate how long it can remain in a sleep mode without missing out on a necessary opportunities to communicate within the network. In some embodiments, this estimate may be based on a combination of things such as the amount of data still queued up for transmission, recent history on data rates, a prediction on how long it will take another device (e.g., an access point) to accumulate enough data for another transmission, and/or how long the queued-up data can wait before it becomes stale.09-25-2008
20080220829MOBILE TERMINAL DEVICE, METHOD OF POWER SAVING CONTROL FOR MOBILE TERMINAL DEVICE AND COMPUTER PRODUCT - A mobile terminal device having a display includes an image capturing unit capturing an image at a prescribed periodical timing; an image changing detector detecting an image change exceeding a prescribed extent between the image captured at a prescribed timing and one or more of images obtained at a previous timing; and a power saving controller controlling a power saving state of the display depending on whether an image change exceeding the prescribed extent is detected.09-11-2008
20080220828METHODS AND APPARATUS TO REDUCE POWER CONSUMPTION IN A WIRELESS DEVICE - Methods and apparatus to reduce power consumption in a wireless device are disclosed. An example method includes sensing movement of the wireless device via a sensor unit; conveying data of a first size at a first frequency from the sensor unit to a first microcontroller, wherein the first microcontroller comprises data buffers of a second size; wirelessly transmitting data of the second size to a second microcontroller at a second frequency, wherein the second microcontroller comprises data buffers of the second size; and conveying data of the first size at a third frequency from the second microcontroller to an electronic device to communicate with the wireless device.09-11-2008
20120252541Wireless Audio Device Call Device Selection - A wireless two-way communications headset is able to enter into a partial power mode in which a latching or non-momentary power switch has been operated to an “on” state, but in which there has been a lack of user operation of the headset for more than a predetermined period of time, and in this partial power mode, a processing device of the headset monitors manually-operable controls for an indication of their being operated by a user in a manner indicating a user's intent to engage in audio communications. In response to this indication, the headset enters a higher power mode in which a wireless link with another wireless device is formed and then performs the function intended by the user. In being operated by a user to initiate audio communications with another wireless device (e.g., making a telephone call), the wireless headset first attempts to do so with the wireless device with which the wireless headset most recently engaged in audio communications, and failing that, the wireless headset then attempts to do so with second-most recent wireless device with which the wireless headset engaged in audio communications.10-04-2012
20080214249Sleep Mode Controlling Apparatus and Method in Cellular System - In a cellar system providing various packet services, sleep mode operation of a terminal in an idle state is controlled. The cellular system determines a discontinuous receiving (DRX) period according to a QoS of a packet service provided to the terminal, and runs the sleep mode according to the determined DRX period. The cellular system runs the sleep mode divided into shallow sleep duration and deep sleep duration. With this manner, a paging delay to the terminal and a power consumption of the terminal may be reduced.09-04-2008
20090124300Mobile terminal and method of transmitting and receiving signal thereof - Provided are a mobile terminal and a method of transmitting and receiving signals in the mobile terminal. The method selects a modulation method and an antenna mode for optimizing energy consumption when signals are transmitted and received in consideration of a network operation mode, a channel environment, Quality of Service (QoS), and the like, and transmits and receives signals using the modulation method and antenna mode.05-14-2009
20130178253USING LOCATION INFORMATION TO CONTROL TRANSMISSION SIGNAL LEVELS OF WIRELESS DEVICES - Provided is adjusting power output levels of a wireless network device by determining a location information of another wireless network device relative to the wireless network device, the location information including distance range. Based on the location information of the another wireless network device, a power output level is adjusted to optimize the power usage of the wireless network device. The power output level is readjusted based upon a sensing a subsequent signal of the another wireless device, and when a signal strength of the subsequent signal compares favorably to a predetermined threshold level, the location information is refreshed, and the power output level of the wireless network device is readjusted based upon the refreshed location information.07-11-2013
20080200220METHODS AND DEVICES FOR LIMITING BATTERY POWER CONSUMPTION IN A WIRELESS COMMUNICATION DEVICE - Systems, methods and apparatus are provided for limiting power consumption in a wireless communication device. The described aspects provide for power limiting thresholds to reserve power for, or limit power usage by, one or more predetermined applications executable by the wireless communications device. The described aspects are highly user-configurable, allowing a device user and/or a third party to define which applications have a battery power consumption limit or reserve, and the amount of battery power associated with the limit or reserve.08-21-2008
20130150135COMMUNICATION DEVICE, COMMUNICATION METHOD, PROGRAM AND COMMUNICATION SYSTEM - A communication device is provided and includes: an electromagnetic-wave generating means for outputting an electromagnetic wave; and a transmitting/receiving means for transmitting data by modulating the electromagnetic wave in accordance with data as well as receiving data transmitted from the other device by demodulating the electromagnetic wave outputted by the electromagnetic-wave generating means or the electromagnetic wave outputted by the other device as the other party of communication, wherein the transmitting/receiving means transmits attribute information indicating communication ability of the device itself as well as receives attribute information indicating communication ability of the other device as the data, and the electromagnetic-wave generating means turns off the output of the electromagnetic wave for a given period of time after the transmission of the data based on the attribute information.06-13-2013
20120282982ELECTRONIC DEVICE WITH IDLE MODE ANTENNA SWITCHING - Electronic devices may be provided that contain wireless communication circuitry. The wireless communication circuitry may include radio-frequency transceiver circuitry coupled to multiple antennas. An electronic device may alternate between a sleep mode and a wake mode. During wake mode, the electronic device may monitor a paging channel in a wireless network for incoming paging signals. The device may use a selected one of the multiple antennas in monitoring the paging channel. If received signal quality is satisfactory, the device may maintain use of the selected one of the multiple antennas for subsequent wake period monitoring of the paging channel. If received signal quality falls below a threshold or is otherwise indicated to not be satisfactory, the device may switch to use of a different one of the multiple antennas in monitoring the paging channel. Other criteria may also be used in controlling the switching between antennas for paging channel monitoring.11-08-2012
20130122972System and Method Providing Low Power Operation in a Multimode Communication Device - A system and method providing low-power operation in a multimode communication device. Various aspects of the present invention may, for example, include at least one radio module that is adapted to communicate in a plurality of communication modes. The at least one radio module may also be adapted to operate in at least a first power-save mode. At least one module may, for example, be adapted to analyze at least one non-informational aspect of a signal (e.g., a received radio signal) to determine whether a first communication network corresponding to a first communication mode of the plurality of communication modes might be available. The at least one module may then, for example, be adapted to determine, based at least in part on the determined availability of the first communication network, whether to operate the at least one radio module in a respective mode other than the first power-save mode.05-16-2013
20130122971POWER MANAGEMENT OF A RADIO DATA TRANSCEIVER - Methods and apparatuses for operating a wireless mobile station configured to communicate with a wireless access point are described. A first awake timer may be started in response to receiving a beacon signal from the wireless access point. The beacon signal may indicate that data is available or pending for the wireless mobile station. A second awake timer may be started in response to data received from the wireless access point. When the second awake timer expires, the wireless mobile station may return to the sleep state. In one embodiment, the first awake timer counts for a first period of time and the second awake timer counts for a second period of time which is shorter than the first period of time. The RF radio may be in a higher power state when the first and/or the second awake timers are counting. In one embodiment, the wireless mobile station and the wireless access points may be synchronized using target beacon transmission times of the beacon signal.05-16-2013

Patent applications in class Power conservation