Patent application number | Description | Published |
20100265856 | MULTI-RADIO COMMUNICATION DEVICE AND METHOD FOR ENABLING COEXISTENCE BETWEEN A BLUETOOTH TRANSCEIVER AND A WIMAX TRANSCEIVER OPERATING IN FDD MODE - Embodiments of a multi-radio communication device and method for enabling coexistence between a Bluetooth transceiver and a broadband wireless access network (BWAN) transceiver are generally described herein. In some embodiments, the BWAN transceiver is configured to transmit a reservation request to a BWAN base station to reserve an amount of time during which no uplink transmissions are scheduled. The reservation request is configured to allow the Bluetooth transceiver to receive packets from a Bluetooth device without interference from transmissions by the BWAN transceiver. | 10-21-2010 |
20100329230 | Avoiding beacon conflicts in multi-radio platforms - In a multi-radio platform that operates in two networks, both the announced beacon intervals and the actual beacon intervals in one network may be periodically increased and decreased in defined amounts so that the beacons will not overlap scheduled communications with the other network. The determination of how much and how often to adjust these beacon intervals may be based, at least partially, on the minimum increments in which the beacons intervals are permitted to be adjusted, and on the scheduled communications intervals of the other network. | 12-30-2010 |
20110134891 | WiMAX Scheduling Algorithm for Co-Located WiFi and WiMAX Central Points - After receiving an indication that a co-located central point is receiving co-location interference, a scheduling algorithm may be initiated. The scheduling may include allocating equal number of central points within each WiMAX frame. Each central point is allocated into a minimum number of frames subject to WiMAX capacity constraints. | 06-09-2011 |
20110149920 | MULTI-RADIO PLATFORM AND METHOD FOR MITIGATING INTERFERENCE BETWEEN CO-LOCATED RADIOS - Embodiments of a multi-radio platform and method for mitigating the effects of interference are generally described herein. In some embodiments, the multi-radio platform includes co-located radios including a Bluetooth transceiver and a wireless network transceiver. The wireless network transceiver may apply a transmit-active noise-cancellation matrix to signals received by the wireless network transceiver when the Bluetooth transceiver is transmitting and may apply a transmit-inactive noise-cancellation matrix to signals received when the Bluetooth transceiver is not transmitting. The transmit-active noise-cancellation matrix may mitigate effects of emissions generated by the Bluetooth transceiver when the Bluetooth transceiver is transmitting. The transmit-inactive noise-cancellation matrix is to mitigate effects of platform noise generated by platform elements of the multi-radio platform. | 06-23-2011 |
20110321042 | Methods and Systems to Permit Multiple Virtual Machines to Separately Configure and Access a Physical Device - Methods and systems to permit multiple virtual machines (VMs) to separately configure and access a physical resource, substantially outside of a virtual machine monitor (VMM) that hosts the VMs. Each of a plurality of virtual machines (VMs) may access and configure the physical device through corresponding instances of a device driver that exposes controllable functions of the physical device within the VMs. VM-specific configuration parameters and connection information may be maintained for each of the VMs, outside of a VMM, to reconfigure or virtualize the physical device for each of the VMs with the corresponding VM-specific configuration parameters and connection information. Physical device virtualization augmentation features may be implemented within a combination of a physical device controller and a host device driver that executes outside of the VM. | 12-29-2011 |
20110321065 | Methods and Systems to Implement a Physical Device to Differentiate Amongst Multiple Virtual Machines of a Host Computer System - Methods and systems to implement a physical device to differentiate amongst multiple virtual machines (VM) of a computer system. The device may include a wireless network interface controller. VM differentiation may be performed with respect to configuration controls and/or data traffic. VM differentiation may be performed based on VM-specific identifiers (VM IDs). VM IDs may be identified within host application programming interface (API) headers of incoming configuration controls and data packets, and/or may be looked-up based on VM-specific MAC addresses associated with data packets. VM IDs may be inserted in API headers of outgoing controls and/or data packets to permit a host computer system to forward the controls and/or packets to appropriate VMs. VM IDs may be used look-up VM-specific configuration parameters and connection information to reconfigure the physical device on a per VM basis. VM IDs may be used look-up VM-specific security information with which to process data packets. | 12-29-2011 |
20120082077 | APPARATUS AND METHODS OF TIME DOMAIN MULTIPLEXING SOLUTIONS FOR IN-DEVICE COEXISTENCE - Embodiments of systems and methods for time domain multiplexing solutions for in-device coexistence are generally described herein. Other embodiments may be described and claimed. | 04-05-2012 |
20120120944 | METHODS AND APPARATUSES FOR MULTI-RADIO COEXISTENCE - A method for coexistence radio communication systems is presented. In one embodiment, the method includes receiving a realtime frame synchronization signal and receiving one or more frame parameters. The method further includes determining, based at least on the frame synchronization signal and the frame parameters, estimated frame timing information and scheduling transmission based on the estimated frame timing information to avoid collision of the transmission and reception. | 05-17-2012 |
20120164961 | Wireless Display Performance Enhancement - Embodiments may comprise logic such as hardware and/or code to adaptively control the transmission power for a wireless channel. In many embodiments, adaptively controlling the transmission power may reduce or, in some embodiments, minimize interference between the wireless display (WiDi) transmissions and other transmissions such as multimedia content streaming over another wireless channel to the notebook via a second generation (2G) channel, third generation (3G) channel, or a future long term evolution (LTE) channel. | 06-28-2012 |
20120270595 | ADAPTING TXOP REQUESTS FOR MULTI-RADIO PLATFORMS - A first radio in a wireless network may request a transmit opportunity (TXOP) of a certain duration, with the duration being based a likelihood that a TXOP of that duration would cause interference with a co-located second radio. The duration may be dynamically adjusted based on the likelihood of such interference. | 10-25-2012 |
20130288741 | USER EQUIPMENT HAVING VIRTUAL MOBILE TERMINALS - Embodiments of the present disclosure describe methods, apparatuses, and systems related to a user equipment having virtual mobile terminals. Other embodiments may be described and/or claimed. | 10-31-2013 |
20140011456 | Wireless Display Performance Enhancement - Embodiments may comprise logic such as hardware and/or code to adaptively control the transmission power for a wireless channel. In many embodiments, adaptively controlling the transmission power may reduce or, in some embodiments, minimize interference between the wireless display (WiDi) transmissions and other transmissions such as multimedia content streaming over another wireless channel to the notebook via a second generation (2G) channel, third generation (3G) channel, or a future long term evolution (LTE) channel. | 01-09-2014 |
20140038540 | DETECTING SUB-METER REGION OF INTEREST USING RADIO SIGNALS - This document discloses one or more systems, apparatuses, methods, etc. for detecting a region (e.g., sub-meter) of interest (ROI) using radio signals. In an implementation, during training stage, multiple channel fading profile samples within a user defined ROI are received and stored in a portable device. During detecting stage, the portable device may implement a sub-meter ROI detection algorithm to perform the detection. | 02-06-2014 |
20140073346 | PROXIMITY HUMAN MOTION DETECTION USING WIRELESS SIGNALS - A device, system, and method are presented for detecting motion. The system may include the device and a first transmitter and a second transmitter configured to transmit a first set of wireless signals and a second set of wireless signals, respectively. The device may have a receiver configured to receive the first and second set of wireless signals, and may further include a processing unit that determines a first value and a second value indicative of fading attenuations experienced by the first set of wireless signals and the second set of wireless signals, respectively. The processing unit may further determine whether the first and second values are each consistent with motion of an object in proximity to the device. The processing unit may cause the device to output an indication of presence of the object if both values are consistent with motion of the object in proximity to the device. | 03-13-2014 |
20140093249 | INTEGRATED PHOTOGRAMMETRIC LIGHT COMMUNICATIONS POSITIONING AND INERTIAL NAVIGATION SYSTEM POSITIONING - A mobile device includes an inertial navigation system (INS) to measure inertial quantities associated with movement of the device, and estimate a kinematic state associated with the movement based on the measured inertial quantities. The device includes a light receiver to record light beams originating from lights at respective image positions in a sequence of images. The device photogrammetrically determines its position relative to the originating lights based on predetermined real-world positions and corresponding image positions of the lights. The device corrects the estimated kinematic state based on the photogrammetrically determined position, to produce a corrected estimated kinematic state. | 04-03-2014 |
20140185464 | Systems and Methods for Reducing Variations in Received Signal Strength Indicator (RSSI) Measurements for Location Sensing - Certain embodiments herein are directed to reducing variations in received signal strength indicator (RSSI) measurements that may be received by a wireless device over a network, such as a WiFi network including one or more access points. A signal sent from an access point may be received by a user device, where channel estimation results associated with the received signal may be analyzed to determine a more accurate location of the user device. The received signal may be converted to at least one of the time domain and the frequency domain, in which signal components associated with the received signal may be identified based on a determination that the signal components may be associated with multipath fading or other types of interference. Such identified signal components, whether in the frequency domain or the time domain) may be excluded from a determination of a signal strength measurement that may in turn be used to identify the location of the user device. | 07-03-2014 |
20140185494 | METHOD AND SYSTEM FOR COEXISTENCE OF MULTIPLE COLLOCATED RADIOS - An apparatus may include a set of transceivers comprising three or more transceivers each operable to communicate via a wireless communications standard different from each other transceiver and a driver to output an enable signal when a first transceiver of the set of transceivers is active. The apparatus may also include a processor circuit and a real-time frame synchronization module operable on the processor circuit to receive a first frame synchronization input signal to delineate first receive and first transmit periods of a radio frame of a first transceiver of the set of transceivers, and to generate a frame synchronization signal to align receive and transmit periods of each of a multiplicity of additional transceivers of the set of transceivers to the respective first receive and first transmit periods of the first transceiver. Other embodiments are disclosed and claimed. | 07-03-2014 |
20140187219 | DETECTING A USER-TO-WIRELESS DEVICE ASSOCIATION IN A VEHICLE - A location of a wireless device relative to a vehicle is determined using received data. Data may be received from the vehicle sensors. Data may also be received from the wireless device sensors of a wireless device. The presence of one or more persons may be determined using received data. A user-to-wireless device association may be detected based, at least in part, upon the presence of one or more persons in the vehicle and the location of the wireless device relative to the vehicle. | 07-03-2014 |
20140194139 | LOCATION SENSING USING CHANNEL FADING FINGERPRINTING - A system and method are provided for providing precise location sensing for wireless devices in an indoor environment using channel fading fingerprinting. An indoor environment within which wireless devices are used is surveyed to develop a channel fading database for the indoor environment. The surveying of the indoor environment determines a specific channel fading profile according to 30 subcarrier frequencies in a wireless signal for numerous locations within the indoor environment. A wireless device scans for available wireless access points and extracts a channel fading profile for a current location of the wireless device. The extracted channel fading profile for the current location of the wireless device is compared with the channel fading database. A best match comparison between the extracted channel fading profile and the channel fading database is used to determine an actual physical location of the wireless device in the indoor environment. | 07-10-2014 |
20140195149 | POSITIONING AND MAPPING BASED ON VIRTUAL LANDMARKS - This disclosure is directed to positioning and mapping based on virtual landmarks. A space may include a plurality of signal sources (e.g., wireless access points (APs), cellular base stations, etc.). The space may be virtually divided into a plurality of regions, wherein each region in the space may be associated with a virtual landmark. Virtual landmarks may be identified by a signature comprised of measurements of wireless signals received from the plurality of access points when at the associated region. A device position may be approximated based on signal power magnitude and variance measurements for wireless signals received at the virtual landmark. Devices may employ an algorithm such as, for example, Simultaneous Localization and Mapping (SLAM) for positioning and map creation in the space without the need for GPS signals, specialized signaling equipment, pre-navigation device training, etc. Navigation/mapping may also account for space changes, signal source position changes, etc. | 07-10-2014 |
20140197830 | PROXIMITY DETECTION VIA MAGNETIC RESONANCE COUPLING - A magnetic resonance technology is used to implement front and back proximity sensing capability for wireless devices such as a laptap device. For example, a high quality (Q) factor coil antenna may be embedded in a display, such as a liquid crystal display, of a first laptap device to detect other wireless devices (e.g., a second laptap) that are within coupling distance of the first laptap device. In this example, the second laptap device induces a sine wave signal to the first laptap device if the second laptap device is physically located at backside of the first laptap device. Otherwise, the second laptap device may induce a cosine wave signal to the first laptap device if the second laptap device is physically located at the front side of the first laptap device. | 07-17-2014 |
20140249771 | LOCATION ESTIMATION USING A MOBILE DEVICE - The present disclosure relates to computer-implemented systems and methods for location estimation using a mobile device. An example method may include receiving, at a device, one or more signature measurements associated with an indoor environment. Additionally, the device may be associated with a user. The method may also include receiving, at the device, one or more motion tracking measurements to measure relative motion associated with the device and the user. Furthermore, the method may include associating the one or more signature measurements with one or more virtual landmarks identified within the indoor environment. The method may further include determining a location of the user based on the one or more signature measurements, the one or more motion tracking measurements, and the one or more virtual landmarks. | 09-04-2014 |
20140269193 | SONIC-ASSISTED LOCALIZATION OF WIRELESS DEVICES - Wireless location identification systems, methods, and devices include a wireless device configured to transmit at least one sonic signal operating on at least one acoustic frequency and to receive at least one echo signal indicative of the at least one sonic signal being reflected by objects in a current location, an audio module configured to measure the received at least one echo signal and process the at least one echo signal to extract attributes of the echo signal and generate at least one echo profile characteristic; and logic configured to compare the at least one profile characteristic with previously-stored sonic characteristics that are correlated with pre-identified locations. The current location is then identified as a pre-identified location correlated to the previously-stored sonic characteristics that match the at least one profile characteristic. | 09-18-2014 |
20140295878 | SIMULTANEOUS LOCALIZATION AND MAPPING USING SPATIAL AND TEMPORAL COHERENCE FOR INDOOR LOCATION - This document discloses one or more systems, apparatuses, methods, etc. for detecting precise indoor location of a portable wireless device based on a WiFi simultaneous localization and mapping (SLAM) algorithm that implements spatial and temporal coherence. In an implementation, a SLAM algorithm includes WiFi similarities and inertial navigational system (INS) measurements data as location estimates (i.e., references) for the spatial and temporal coherences implementations to constitute the WiFi SLAM algorithm. | 10-02-2014 |
20150031372 | VEHICLE-BASED SMALL CELL BASE STATIONS - Certain embodiments herein are directed to vehicle-based small cell base stations. A vehicle-based base station may include at least one antenna; at least one transceiver coupled to the at least one antenna; at least one memory that stores computer-executable instructions; and at least one processor in communication with the transceiver and configured to access the at least one memory. The processor may be configured to execute the computer-executable instructions to receive data associated with a user device from a base station; receive data from the base station; establish connection with the user device based at least in part on the data received from the macrocell base station; and transmit the data received from the base station to the user device. | 01-29-2015 |
20150035858 | TECHNIQUES FOR MERGING VIRTUAL AND PHYSICAL FLOOR MAPS - Various embodiments are generally directed to techniques to merge a virtual map derived from sensors of computing devices moved about an interior of a structure with a corresponding physical map. An apparatus to merge maps includes a processor component; and a merged map generator for execution by the processor component to merge a virtual map and a physical map to generate a merged map, the virtual map comprising indications of virtual pathways through an interior of a structure based on sensors, and the physical map comprising indications of physical pathways of the interior. Other embodiments are described and claimed. | 02-05-2015 |
20150052239 | CONTEXT BASED SPECTRUM MANAGEMENT SYSTEM - Generally, this disclosure provides systems, devices, methods and computer readable media for context based spectrum management. A device may include a user preference determination module to determine a level-of-service preference of a user of the device, the preference associated with an application. The device may also include a user state determination module, to determine a state of the user, and a device capability determination module, to determine capabilities of the device. The device may further include an application programming interface (API) to provide the context to a cloud-based server configured to manage spectrum. The context includes the preference, the state and the capabilities. The API is further configured to receive content delivery options from the cloud-based server. | 02-19-2015 |
20150087239 | TECHNIQUES FOR CROSS-DEVICE RADIO SIGNAL STRENGTH CALIBRATION - An apparatus may include a memory to store a first radio signal strength indicator (RSSI) data set comprising first data entries for RSSI detected from a multiplicity of transmission sources by a first wireless device of a first device type, and to store a second RSSI data set comprising second data entries for RSSI detected from the multiplicity of transmission sources by a second wireless device of a second device type; and a cross-device radio calibration engine to receive the first RSSI data set and second RSSI data set and generate a cross-calibrated RSSI function comprising a function that reduces differences between the first RSSI data set and the second RSSI data set. Other embodiments are disclosed and claimed. | 03-26-2015 |
20150087323 | CLOUD BASED SPECTRUM MANAGEMENT - Certain embodiments herein are directed to managing wireless spectrum, which may include recommending or transmitting spectrum usage changes to one or more wireless devices. A spectrum management system comprising one or more computers may receive spectrum usage information associated with one or more wireless devices. The spectrum management system may generate a spectrum usage map based on the received information. Based on the spectrum usage map, a spectrum usage change is determined and transmitted to one or more wireless devices. The wireless devices may change their operation in accordance with the spectrum usage change. | 03-26-2015 |