33rd week of 2013 patent applcation highlights part 33 |
Patent application number | Title | Published |
20130208664 | Method And Apparatus For Allocating Resources Of A Frequency Band In A Wireless System Supporting At Least Two Radio Access Technologies - In one embodiment, the method for allocating resources in a wireless system supporting a first radio access technology (RAT) and a second RAT operating in a narrower frequency band than the first RAT includes assigning at least one physical resource block (PRB) of a plurality of PRBs of the frequency band to the second RAT. The method further includes transmitting, in a first sector, over the at least one assigned PRB using the second RAT. The method further includes transmitting, in the first sector, control signals on unassigned PRBs using the first RAT. | 2013-08-15 |
20130208665 | Simultaneous Reporting of ACK/NACK and Channel-State Information using PUCCH Format 3 Resources - A new uplink control channel capability is introduced to enable a mobile terminal ( | 2013-08-15 |
20130208666 | COMPONENT CARRIER UPLINK MAXIMUM TRANSMISSION POWER REPORTING SCHEME FOR CARRIER AGGREGATION - Embodiments of the present disclosure describe method, apparatus, and system configurations for reporting uplink maximum transmission power for each component carrier of a carrier aggregation scheme. A method includes establishing, by a user equipment (UE), a communication link with an enhanced node B (eNB) station of an Internet Protocol (IP) based wireless communication network, and sending, by the UE to the eNB station, a message that includes information for a Power Headroom Report (PHR) and a value that indicates an uplink maximum transmission power P | 2013-08-15 |
20130208667 | DEVICES FOR REDUCED OVERHEAD PAGING - A method for reduced overhead paging by an access point is described. The method includes assigning at least one paging identifier to at least one station. The method also includes partitioning a paging identifier space into paging identifier sets. The method further includes generating a paging message based on at least one of the paging identifier sets and the at least one paging identifier. The method additionally includes sending the paging message. | 2013-08-15 |
20130208668 | Enhanced Dedicated-Channel Signaling in a CELL_FACH State - A new set of random-access preamble signatures are introduced to differentiate new-release UEs from UEs compliant only with earlier releases. Additional new features of a random-access procedure are also disclosed, including an ability to deploy multiple transmission-time-intervals TTIs) in a given area. An example mobile terminal, according to some embodiments of the present invention, selects a TTI from two or more possible TTIs. The mobile terminal then selects a preamble signature from a group of one or more preamble signatures associated with enhanced-uplink resources and associated with the selected TTI, and transmits a random-access channel (RACH) preamble, using the selected preamble signature. In some embodiments, the mobile terminal selects between a 2-millisecond TTI and a 10-millisecond TTI. | 2013-08-15 |
20130208669 | METHOD AND DEVICE FOR RESOURCE ALLOCATION OF BACKHAUL LINK CONTROL CHANNEL INFORMATION - The present invention discloses a method and device for resource allocation of backhaul link control channel information. Upon application of a technical solution proposed by embodiments of this invention and based on the condition of introducing DMRS and CSI-RS, make remaining REs which are not occupied by CSI-RS and/or DM-RS in OFDM symbol that contains REs for transmitting CSI-RS and/or DM-RS constitute REG to transmit backhaul link control channel information or abandon them; thus, on the basis of maximizing the reservation of existing LTE system specification, specifying resource allocation scheme of backhaul link control channel information in corresponding physical resource block, giving consideration to both simple specification design and full utilization of resources, and realizing flexible design and allocation in light of the demand of a real system. | 2013-08-15 |
20130208670 | METHOD AND APPARATUS FOR PROCESSING UCI AND METHOD FOR TRANSMISSION THEREOF BASED ON MIMO SYSTEM - The present invention provides a method and apparatus for processing uplink control information (UCI) and a method for transmitting the UCI based on a multiple input multiple output system, which processing method comprises: repeating ACK/NACK source bits and/or rank indicator (RI) source bits in the uplink control information to form M groups, with each group corresponding to a code word (S | 2013-08-15 |
20130208671 | APPARATUS, SYSTEMS, METHODS, AND COMPUTER PRODUCTS SUITABLE FOR USE IN AN ADVANCED DIGITAL BASEBAND PROCESSOR - The present disclosure relates to an advanced digital baseband processor for a base station in a cellular communications network. In general, the advanced digital baseband processor integrates multiple Radio Access Technologies (RATs). As used herein, a RAT is a radio access technology as defined by a corresponding standard. For example, in one embodiment, RATs integrated by the advanced digital baseband processor include a Code Division Multiple Access (CDMA) voice RAT (e.g., 3GPP2 CDMA 1xRTT or 3GPP2 CDMA 1xAdvanced) as well as a CDMA Data Only, or Data Optimized, (DO) RAT (e.g., 3GPP2 CDMA EV-DO or 3GPP2 CDMA EV-DO Rev B). In another embodiment, the RATs integrated by the advanced digital baseband processor also include 3GPP Long Term Evolution (LTE). The RATs given above are only examples. The advanced digital baseband processor may integrate additional or alternative RATs. | 2013-08-15 |
20130208672 | APPARATUS AND METHOD FOR TRANSMITTING CHANNEL QUALITY INDICATOR AND ACKNOWLEDGEMENT SIGNALS IN SC-FDMA COMMUNICATION SYSTEMS - A method and apparatus for transmitting information symbols in a communication system are provided. The method includes determining Channel Quality Information (CQI) and acknowledgement information, in response to data reception; generating a first symbol based on the CQI and a second symbol based on the acknowledgement information; and transmitting the first symbol and the second symbol. A first code is applied to the second symbol, when the acknowledgement information is negative, a second code is applied to the second symbol, when the acknowledgement information is positive, and the first code is applied to the second symbol, when the acknowledgement information does not exist. | 2013-08-15 |
20130208673 | METHOD FOR RECEIVING SYSTEM INFORMATION IN A RADIO ACCESS NETWORK, PERFORMED BY A MOBILE TERMINAL AND MOBILE TERMINAL FOR RECEIVING SYSTEM INFORMATION IN A RADIO ACCESS NETWORK - A method and transmission apparatus transmit broadcast system information in a mobile communication system. Further, a method and mobile terminal receive the broadcast system information. An improved method for broadcasting broadcast system information maps different partitions of broadcast system information to a shared transport channel or a broadcast transport channel for transmission. The mapping may take into account parameters inherent to the mobile terminals to which the broadcast system information is to be transmitted and/or parameters inherent to the different partitions of broadcast system information. | 2013-08-15 |
20130208674 | HOSTING EDGE APPLICATIONS AT THE EDGE OF A MOBILE DATA NETWORK - Mobile network services are performed in a mobile data network in a way that is transparent to most of the existing equipment in the mobile data network. The mobile data network includes a radio access network and a core network. A breakout component in the radio access network breaks out data coming from a basestation, and hosts edge applications, including third party edge applications, that perform one or more mobile network services at the edge of the mobile data network based on the broken out data. | 2013-08-15 |
20130208675 | Method and Device for Reporting and Obtaining Power Headroom - Disclosed are a method and device for reporting and obtaining power headroom. The method comprises: user equipment (UE) configuring a maximum transmit power (Pcmax); the UE using the Pcmax to calculate power headroom (PH); and the UE reporting the Pcmax and the PH to a base station. In embodiments of the present invention, the UE uses configured Pcmax to calculate power headroom (PH) and reports the Pcmax and the PH to the base station, so that the base station obtains the Pcmax and the PH at the same time, and thus the base station can use the PH accurately according to the Pcmax. | 2013-08-15 |
20130208676 | APPLICATION SERVER FOR MANAGING COMMUNICATIONS TOWARDS A SET OF USER ENTITIES - An application server for managing communications towards a set of user entities, the set of user entities having a first user entity. The application server includes a receiver for receiving a first session initiation request, the first session initiation request having a public identification identifying the set of user entities, a processor for assigning a first user identification to the public identification, the user identification identifying the first user entity, and a transmitter for transmitting a second session initiation request to establish a communication link towards the first user entity, the second session initiation request including the first user identification. | 2013-08-15 |
20130208677 | Method and Base Station for Transmitting Downlink Signal and Method and Equipment for Receiving Downlink Signal - A base station of the present invention configures resources in which a downlink signal is to be transmitted with zero power using resource sets defined for a specific number of antenna ports, regardless of the number of antenna ports actually configured in the base station, and transmits resource information indicating the configured resources to a user equipment. The user equipment of the present invention receives a downlink transmission from the base station, assuming that transmission power of resources corresponding to a resource set indicated by the resource information is zero. | 2013-08-15 |
20130208678 | METHODS AND SYSTEMS FOR CSI-RS RESOURCE ALLOCATION IN LTE-ADVANCE SYSTEMS - Systems and methods for the configuration of channel state information reference signals (CSI-RS) are disclosed. The systems and methods include providing user equipment with the locations of CSI-RS reuse information. Several encoding patterns and exemplary methodology for both the identification of the CSI-RS resource element locations are provided in exemplary embodiments. In addition, exemplary embodiments provide muting methods and systems for a physical downlink shared channel resource elements. | 2013-08-15 |
20130208679 | REFERENCE SIGNAL CREATION APPARATUS AND PREAMBLE SEQUENCE DETECTION APPARATUS USING THE SAME - The present invention relates to a method for shortening the time taken for physical random access channel (PRACH) signal synchronization and preamble sequence detection in an LTE uplink system, and more particularly, to a method for shortening the time taken for preamble sequence detection using an inverse discrete Fourier transform. To this end, a preamble sequence detection apparatus according to the present invention comprises: a reference signal generation unit, which includes a preamble sequence generation unit for receiving a first signal having a predetermined length and outputting a plurality of second signals having the length of 839, a discrete Fourier transform unit for performing a discrete Fourier transform on the second signals received from the preamble sequence generation unit to transform the second signals into a frequency domain signal, a subcarrier mapping unit for mapping the frequency domain signal outputted from the discrete Fourier transform unit to a subcarrier, and an inverse discrete Fourier transform unit for receiving a signal having the length of 2 | 2013-08-15 |
20130208680 | METHOD FOR SETTING A FILTER COEFFICIENT FOR A COMMUNICATION SYSTEM - A method for setting a filter coefficient for a communication system, which adjusts a frequency bandwidth by setting a filter coefficient of a wireless communication system over a communication network, is provided. In the method, a wireless communication system that includes a controller having a filter coefficient database and a web server, and a Digital Signal Processing device requests a filter coefficient and attribute information related to a set target frequency bandwidth from a management terminal. The wireless communication system receives the filter coefficient and the attribute information from the management terminal and stores the filter coefficient and the attribute information in the filter coefficient database. The wireless communication system sets a frequency bandwidth of the digital signal processing device as a set target frequency bandwidth based on the stored filter coefficient and the attribute information. | 2013-08-15 |
20130208681 | Channel Quality Reporting for Adaptive Sectorization - Apparatuses and methodologies are described that enhance performance in a wireless communication system using beamforming transmissions. According to one aspect, the channel quality is monitored. Channel quality indicators can be used to select a scheduling technique, such as space division multiplexing (SDM), multiple-input multiple output (MIMO) transmission and opportunistic beamforming for one or more user devices. In addition, the CQI can be used to determine the appropriate beam assignment or to update the beam pattern. | 2013-08-15 |
20130208682 | METHOD FOR PROVIDING SERVICE QUALITY IN A WIMAX COMMUNICATION NETWORK, AND METHOD FOR SELECTING AN ACCESS TRANSPORT RESOURCE CONTROL FUNCTION BY MEANS OF A GUIDELINE DECISION-MAKING FUNCTION IN A COMMUNICATION NETWORK - A method provides service quality in a WiMAX communication network, and a method selects an access transport resource control function by a guideline decision-making function in a communication network. According to a method for providing service quality on an air interface of an access network in a WiMAX communication network by an application function, the application function aims to provide a user of the WiMAX communication network with a service quality-related application. The desired service quality is signaled by an authentication, authorization and accounting infrastructure of the WiMAX communication network. | 2013-08-15 |
20130208683 | MOBILE PHONE RELATED INDIRECT COMMUNICATION SYSTEM AND METHOD - An indirect communication system and a method of indirect communication include a mobile phone as either a calling device or receiving device. The mobile phone calls another device to set up a prospective communication, and then uses Voice over Internet Protocol (VoIP) to communicate with the other device over the Internet. The receiving device receives a generated signal notifying the receiving device of a proposed communication with the calling device. A server sets up a meeting point channel after the calling device has connected to the server. The server receives outgoing VoIP packets from the calling device and redirects the outgoing VoIP packets to the receiving device. | 2013-08-15 |
20130208684 | RANDOM ACCESS CHANNEL FOR OFDM-MIMO SYSTEM - In orthogonal frequency division multiplexing (OFDM) multiple-input multiple-output (MIMO) systems, a wireless transmit/receive unit (WTRU) selects a random access channel (RACH) and a phase for a constant amplitude zero auto correlation (CAZAC) sequence for RACH transmission. The WTRU then transmits a RACH transmission to a Node B via the selected RACH. Once the RACH transmission is detected, the Node B sends an acknowledgement (ACK) to the WTRU over an ACK channel. The Node B may transmit the ACK on a shared channel. The WTRU may ramp up transmit power while the RACH transmission is transmitted, or steps up transmit power of a subsequent RACH transmission. The RACH transmission and data transmission may be either time multiplexed or frequency multiplexed. A plurality of RACHs may be defined and one of the defined RACHs may be selected randomly or based on predetermined criteria. | 2013-08-15 |
20130208685 | METHOD FOR TRANSMITTING UPLINK RESPONSE SIGNALS, BASE STATION, MOBILE STATION AND COMMUNICATION SYSTEM - A method for transmitting uplink response signals, base station, mobile station and communication system, includes judging whether to use a downlink secondary component carrier to transmit data to a mobile station; if the judging result is positive, allocating resources according to the number of transmission blocks for transmitting the downlink data in the secondary component carrier, accordingly the mobile station is able to use the resources corresponding to a preconfigured primary component carrier and the resources allocated to the secondary component carrier to select uplink resources for transmitting response signals. | 2013-08-15 |
20130208686 | MICRO BASE STATION, MICRO BASE STATION INTERFERENCE COORDINATION METHOD, AND USER TERMINAL - Micro base station interference coordination includes: shifting, relative to subframes in a macro base station subframe configuration, subframes in the subframe configuration used in the micro base station by several subframes, wherein the number of the shifted subframes causes subframes in the micro base station subframe configuration, which are corresponding to a specific channel in the macro base station subframe configuration, not to transmit any signal un-allocatable by the micro base station after the shifting; emptying uplink subframes in the micro base station subframe configuration after the shifting, which are corresponding to downlink subframes containing a designated channel in the macro base station subframe configuration; and emptying the subframes in the micro base station subframe configuration after the shifting, which are corresponding to the specific channel in the macro base station subframe configuration, or causing portions of the subframes corresponding to the specific channel not to transmit any signal. | 2013-08-15 |
20130208687 | APPARATUS AND METHOD FOR PERFORMING RESOURCE ALLOCATION AND COMMUNICATION IN A WIRELESS COMMUNICATION SYSTEM, AND SYSTEM USING SAME - Methods and apparatus are provided for transmitting and receiving uplink data in a wireless communication system. Hopping-related information is received at a mobile station from a base station. Resource allocation information is received at the mobile station from the base station. The uplink data is transmitted from the mobile station to the base station through at least one resource determined based on a sequence for global hopping and a sequence for local hopping, if global hopping and local hopping are enabled | 2013-08-15 |
20130208688 | SYSTEMS AND METHODS FOR TRANSMITTING RADIO LINK CONTROL (RLC) DATA BLOCKS - In one aspect, the invention provides apparatuses and methods for wirelessly transmitting application data utilizing priority information for each radio link control (RLC) data block transmitted. Advantageously, the application data with a relatively high transmission priority is not substantially delayed by the transmission of application data with substantially lower transmission priorities. | 2013-08-15 |
20130208689 | METHOD AND DEVICE FOR ACTIVATING SECONDARY CARRIER IN WIRELESS COMMUNICATION SYSTEM FOR USING CARRIER AGGREGATION TECHNIQUE - The present invention proposes a method for activating secondary carriers in addition to the primary carrier in a wireless communication system supporting carrier aggregation technology. Through the present invention, the UE sorts the operations for activating an SCell into two groups that are executed at different timings, thereby facilitating communication without malfunctioning. | 2013-08-15 |
20130208690 | RADIO BASE STATION APPARATUS, MOBILE TERMINAL APPARATUS AND RADIO COMMUNICATION METHOD - It is an object of the present invention to adequately report the SRS transmission timing and SRS parameters to a mobile terminal apparatus, when an aperiodic SRS is adopted, and efficiently use radio resources to be used for SRS transmission. A radio base station apparatus that reports SRS transmission control information to a mobile terminal apparatus and controls transmission of an SRS by the mobile terminal apparatus, and the radio base station apparatus has an SRS setting section that selects bit information to report to the mobile terminal apparatus, from a table having bit information to indicate not to trigger the SRS and bit information to indicate to trigger the SRS using a default SRS parameter, and a reporting section that reports the bit information for the mobile terminal apparatus using a downlink control channel. | 2013-08-15 |
20130208691 | METHOD FOR TRANSMITTING CONTROL INFORMATION AND APPARATUS FOR SAME - The present invention pertains to a wireless communication system. Particularly, the present invention relates to a method for transmitting uplink control information and an apparatus for the same, wherein the method comprises the steps of: selecting one uplink control channel resource corresponding to a plurality of HARQ-ACKs, from a plurality of uplink control channel resources; and transmitting a bit value corresponding to the plurality of HARQ-ACKs through the use of the selected uplink control channel resource. | 2013-08-15 |
20130208692 | METHOD AND APPARATUS FOR TRANSMITTING ACK/NACK FOR DOWNLINK TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM - A wireless communication system and a method and apparatus for transmitting ACK/NACK for downlink transmission in a wireless communication system are disclosed. The method for transmitting ACK/NACK information for a downlink transmission in a receiver of a wireless communication system includes being configured with N physical uplink control channel (PUCCH) resources respectively having indexes 0, 1, 2, . . . , and N−1 by a higher layer, receiving the downlink transmission from a transmitter in a downlink subframe set including M (12013-08-15 | |
20130208693 | DYNAMIC CONNECTION OF A MOBILE TERMINAL TO A LOCAL NETWORK - A method for connecting a terminal to a telecommunication network via an access point. After a request to connect a terminal to a first access point, the first access point determines if it has access to a resource for serving the terminal and, if possible, serves the terminal. If not, the first access point requests, from at least one second access point to which is it connected, a resource for serving the terminal; and in the event that the resource is available to the second access point, the first access point transfers, to the terminal, data for enabling the terminal to connect to the second access point. | 2013-08-15 |
20130208694 | METHOD AND APPARATUS FOR PERFORMING NETWORK ENTRY/REENTRY IN WIRELESS COMMUNICATION SYSTEM - Disclosed is a method in which a machine-to-machine (M2M) device and a base station in a wireless communication system perform network reentry comprises the steps of: receiving, from a base station, information related to an uplink resource for the transmission of a ranging request message; and transmitting the ranging request message to the base station on the basis of the received information related to the uplink resource. | 2013-08-15 |
20130208695 | METHOD FOR TRANSMITTING CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR - The present invention discloses a method for a terminal to transmit control information in a wireless communication system. The method includes encoding a plurality of pieces of control information and transmitting the plurality of encoded control information and data information through a data channel. During the encoding of the plurality of control information, a channel quality indicator (CQI) and a precoding matrix index (PMI) for an entire frequency band are encoded jointly or separately, and each piece of the plurality of pieces of encoded control information and the data information is mapped into a resource block of the data channel, and is then transmitted. | 2013-08-15 |
20130208696 | PRE-EMPTIVE ACCESS NETWORK SWITCHING - An access network connection controller is disclosed for ordering a mobile terminal to switch from a connection to a first access network to a connection to a second access network in order to ensure that a good connection to the mobile terminal is maintained when the mobile terminal enters an area in which connection to the first access network may be restricted and the second access network may be beneficial. The access network connection controller is operable to receive movement information representative of the movement of the mobile terminal connected to a first access network; to determine from the movement information whether the mobile terminal is approaching a restricted area wherein connection to a second access network may be beneficial and to generate a command ordering the switching of the connection mobile terminal from the first access network to the second access network before the mobile terminal enters the restricted area. By ordering a mobile terminal to switch its connection to another access network in advance of the mobile terminal entering an area in which connection to the mobile terminal from its current access network may be restricted, good connection to the mobile terminal is ensured at all times and the user of the mobile terminal does not experience any degradation in performance. | 2013-08-15 |
20130208697 | METHOD AND APPARATUS FOR SUPPORTING DEVICE-TO-DEVICE COMMUNICATIONS - A method for supporting Device-to-Device (D2D) communications by a Mobile Station (MS) in a communication system is provided. The method includes performing a network entry procedure with a Base Station (BS) and receiving, from the BS, a BS prefix, a temporary Identifier (ID), and a valid period timer value for the temporary ID, generating a device ID using the BS prefix and the temporary ID, and performing, upon detecting data to be transmitted, communication with a peer MS using the device ID for a time indicated by the valid period timer value. The BS prefix is information unique within the communication system, and the temporary ID is information unique within a coverage area of the BS. | 2013-08-15 |
20130208698 | METHOD AND APPARATUS FOR PROVIDING SERVICE IN WIRELESS COMMUNICATION SYSTEM IN WHICH MULTIPLE BASE STATIONS COOPERATE WITH EACH OTHER, AND SYSTEM THEREFOR - Provided is a method for providing a service by a Base Station (BS) in a wireless communication system. The method includes setting up a radio link to a Mobile Station (MS) to provide the service; receiving BS information from at least one BS that cooperates to provide the service; and selecting an alternative BS for replacing the BS from among the at least one BS based on the BS information. | 2013-08-15 |
20130208699 | Reduced Radio Resource Control Connectivity - Embodiments of the present invention relate to reduction of radio connectivity of a bearer service. Upon detection of low data transfer activity within a bearer service, radio connectivity of the bearer service is reduced so as to reduce signaling overhead in an air interface. However, a core network connection of the bearer service is maintained. | 2013-08-15 |
20130208700 | Method for Quickly Searching for an Access Point - According to one embodiment of the present invention, a method for searching for an access point in a terminal supporting a multiple wireless access scheme is provided. The method may comprise the steps of; receiving, from a base station using a first wireless access scheme, information relating to an access point using a second wireless access scheme; determining whether one or more access points exist using the second wireless access scheme in the cell coverage of the base station on the basis of the information: searching for an access point accessible for a period that is shorter than a normal period when determining that the access point using the second wireless access scheme exists; and accessing the found access point using the second wireless access scheme. | 2013-08-15 |
20130208701 | METHOD OF TRANSMITTING AND RECEIVING DATA IN A MULTI RADIO ACCESS TECHNOLOGY SYSTEM USING AN ACCESS POINT AND APPARATUS THEREFOR - The present invention relates to a wireless communication, and more particularly, to a method for a base station and a user equipment to transmit and receive data in a multi radio access technology system based on an access point (AP) and apparatus therefor. According to one embodiment of the present invention, a method of performing a communication, which is performed by a user equipment based on an access point (AP) supporting a Multi-RAT (Radio Access Technology), may include the steps of receiving an information on a 1st AP associated with the user equipment among a plurality of APs from the 1st AP, transmitting the information on the 1st AP to a base station, receiving an information on at least one cooperative user equipment candidate associated with the 1st AP from the base station, and transmitting a 1st data to the base station using the at least one cooperative user equipment, wherein the 1st data is exchanged between the user equipment and the at least one cooperative user equipment via a 1st radio access scheme and wherein the 1st data is exchanged between the at least one cooperative user equipment and the base station via 2nd radio access scheme. | 2013-08-15 |
20130208702 | METHOD AND A NETWORK NODE FOR SHARING INFORMATION OVER AN INTERFACE IN A TELECOMMUNICATIONS SYSTEM - The exemplary embodiments of the presently claimed invention relate to a method and a radio base station (600) for identifying candidate or neighbor base stations. The radio base station ( | 2013-08-15 |
20130208703 | GATEWAY APPARATUS, CONTROL METHOD THEREFOR AND COMPUTER PROGRAM - A gateway apparatus comprises a registration unit for registering a network address, a temporary address and a flag, a receiving unit for receiving data destined to a destination communication device with the network address of the destination communication device from a source communication device, a determination unit for determining whether the destination communication device is provided with the MCIM or not, based on a registered value of the flag, and transmitting unit for transmitting a bootstrap message for requesting initiation of provisioning of a predetermined identifier to the destination communication device, to a provision server, when it is determined that the destination communication device is not provided with the MCIM, wherein the transmitting unit transmits the data to the destination communication device using the assigned temporary address, when the destination communication device is provided with the MCIM. | 2013-08-15 |
20130208704 | DEVICE AND METHOD FOR IMPROVED CLOSED LOOP DIVERSITY | 2013-08-15 |
20130208705 | METHOD AND DEVICE FOR PROVIDING CONTROL INFORMATION FOR UPLINK TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM SUPPORTING UPLINK MULTI-ANTENNA TRANSMISSION - The present invention relates to a wireless communication system, and more particularly, a method and device providing control information for uplink transmission in a wireless communication system supporting uplink multi-antenna transmission. An uplink multi-antenna transmission scheduling method, according to one embodiment of the present invention, comprises the following steps: creating downlink control information (DCI), which includes precoding information showing a transmission rank and a precoding matrix of an uplink transmission; transmitting said created downlink control information, which schedules the transmission of an uplink, through a downlink control channel; and receiving said uplink transmission, which is scheduled according to said downlink control information, through an uplink data channel, wherein the size of said precoding information can be determined with respect to the available number of precoding matrices, according to the number of said multi-antennas and uplink transmission rank. | 2013-08-15 |
20130208706 | Sector Based HS-DPCCH Transmission for Multi-flow HSDPA Transmissions - There is provided a method of transmitting feedback information from a mobile terminal in a wireless communication system. The feedback information relates to multi-flow High-Speed Downlink Packet Access, HSDPA, transmissions to the mobile terminal from cells belonging to multiple cell sectors. The cell sectors are sometimes simply referred to as sectors. The method comprises transmitting multiple High-Speed Dedicated Physical Control Channels, HS-DPCCHs, one HS-DPCCH for each sector, such that different HS-DPCCH channels are used to carry feedback information for cells that belong to different sectors. This opens up for a more flexible HS-DPCCH solution, allowing multiple HS-DPCCHs. In this way, the relevant time budget(s) for the mobile terminal and/or base station may be retained or conserved even for multi-flow HSDPA transmission scenarios, thus avoiding re-transmissions of data. | 2013-08-15 |
20130208707 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION APPARATUS, RADIO COMMUNICATION METHOD, AND COMPUTER PROGRAM - An autonomously dispersed type wireless network is suitably formed with communication stations avoiding collision of beacons transmitted one to another. In the event that the range of reach of airwaves change and a receivable state is created and beacons collide, a communication station changes the beacon transmission position of itself in response to receiving a beacon from another station at a timing immediately prior to transmission to its own beacon. Also, in the event that beacon collision is exposed due to emergence of a new communication which can perform reception from two systems out of airwave range of each other, the newly-participating station requests one of the communication stations of which the beacons are colliding to change the beacon transmission timing. | 2013-08-15 |
20130208708 | Method and device for collaborative data communication in a radio network - The present invention relates to communication between collaborative nodes configured to collaboratively communicate in a radio network. A corresponding method comprises: sending, by each active node of the set of collaborative nodes, an RTS message for the same transmission slot; sending, by one of the active nodes, referred to as coordinator node, a CTS message to acknowledge reservation of said transmission slot on behalf of all the active nodes, upon receiving the RTSs; wherein the transmission slot is divided, based on the sent RTSs, into sub-slots for respective active nodes to transmit data packets. The invention provides an improved use of the reserved transmission slot, and a reduced waste of reserved time. | 2013-08-15 |
20130208709 | STATE SYNCHRONIZATION OF ACCESS ROUTERS - Embodiments describe synchronizing access routers with wireless terminal state information. According to an embodiment is a wireless terminal that transmits a message that includes an address for at least two access routers. State change information can optionally be included in the message. According to another embodiment is an access router that receives a state change notification from a wireless device or another access router. The state change notification is updated in the access router. An acknowledgment confirming the updated state change may be sent to the wireless terminal. Dynamic state synchronization is provided with minimal communication with wireless terminal. | 2013-08-15 |
20130208710 | METHOD AND APPARATUS FOR TRANSMITTING A SOUNDING REFERENCE SIGNAL - Provided are a method and apparatus for transmitting a sounding reference signal. A terminal receives, from a base station, a configuration for periodic channel quality indicator (CQI) transmission and a configuration for sound reference signal (SRS) transmission. When a positive SRS request is detected, the terminal determines an SRS subframe winch satisfies the configuration for SRS transmission. When the periodically transmitted CQI is triggered in the SRS subframe, the terminal transmits the SRS in the SRS subframe to the base station. | 2013-08-15 |
20130208711 | METHOD AND APPARATUS FOR HANDLING IN-DEVICE CO-EXISTENCE INTERFERENCE IN A USER EQUIPMENT - A method and apparatus for handling in-device co-existence interference in a user equipment are provided. In an exemplary method, a Long Term Evolution (LTE) activity scheduled to be performed during an inactive time period of an LTE module in a user equipment is determined. It is determined whether the LTE module is to be allowed to perform the LTE activity during the inactive time period. If the LTE activity is to be allowed, then the LTE module is allowed to perform the LTE activity during the inactive time period. Otherwise, the LTE module is not allowed to perform the LTE activity during the inactive time period to provide interference free time for an Industrial, Scientific and Medical (ISM) module in the user equipment. Moreover, the disallowed LTE activity is scheduled to be performed during an active time period following the inactive time period. | 2013-08-15 |
20130208712 | DISASTER PREVENTION SYSTEM BASED ON WIRELESS LOCAL AREA NETWORK AND METHOD FOR THE SAME - A method of operating a disaster prevention system by a disaster prevention center is provided. The method includes: receiving a disaster situation generation report message including disaster information from a user equipment via an access point (AP); generating disaster response information based on the disaster information; and transmitting a disaster broadcasting message including the disaster response information to the disaster prevention center through the AP. | 2013-08-15 |
20130208713 | DYNAMICALLY ENABLED WI-FI - The described implementations provide devices, systems, and methods that offload the usage of a cellular network using dynamic selection of broadband network connections such as wireless LAN (Wi-Fi) access points. A Wi-Fi transceiver on a mobile device may be activated when certain conditions (e.g., trigger events) are met. These conditions may include when, for instance, a cellular signal is dropped to 2G, weak or no cellular coverage is detected, a data use limit has been reached, an associated device is in domestic or international roaming or a particular location, and/or an associated device is in a saved private network area. | 2013-08-15 |
20130208714 | Wireless Social Networking - A first device may communicate by joining a wireless mesh network that includes at least one wireless device configured to operate a wireless routing protocol, discovering a group of other wireless devices configured to participate in the wireless mesh network, and accessing an interest metric for a second wireless device in the group of other wireless devices. The interest metric is based in part on a network topology from the wireless mesh network. The interest metric is related to an interest threshold and it is determined whether relating the interest metric to the interest threshold supports enabling messaging communications. If so, messaging communications may be enabled. | 2013-08-15 |
20130208715 | METHOD AND APPARATUS FOR TRANSCEIVING A DATA FRAME IN A WIRELESS LAN SYSTEM - A method of transmitting a data frame by a transmitter in a WLAN system is provided. The method includes generating a data block including at least one data units respectively transmitted through at least one or more spatial streams to at least one receiver, transmitting first control information to the at least one receiver, transmitting second control information to each receiver, and transmitting the data block to the at least one receiver. The first control information includes a length indicator for the data block, a MIMO indicator indicating whether the data block is for SU-MIMO or MU-MIMO, and a spatial stream indication field including information about the number of the spatial streams. The second control information includes a FEC coding field indicating an encoding scheme applied to the data unit and an MCS field indicating an MCS applied to the data unit. | 2013-08-15 |
20130208716 | TERMINAL, METHOD AND SYSTEM FOR PERFORMING COMBINATION SERVICE USING TERMINAL CAPABILITY VERSION - A terminal, method and system for providing a CS service, a SIP-based service, or a CSI service, are provided. According to an embodiment, the terminal includes a controller to receive a terminal capability version of at least one target terminal, to compare the received terminal capability version with a previously stored terminal capability version of the at least one target terminal, and to determine whether to request for terminal capability information of the at least one target terminal based on the comparison result, wherein the terminal capability version identifies a version of capabilities of the at least one target terminal. | 2013-08-15 |
20130208717 | Presence Based Telephony Call Signaling - Methods and systems for presence based telephony call signaling are presented. An incoming call is received at a computer, where the computer includes a computer loudspeaker and computer display. A headset donned state or a headset doffed state is identified for a wireless headset, where the wireless headset includes a headset speaker and headset output user interface. A proximity between the wireless headset and the computer is determined. An incoming call notification is output to the headset speaker, the headset output user interface, the computer loudspeaker, or the computer display responsive to identifying the headset donned state or headset doffed state and determining the headset proximity. | 2013-08-15 |
20130208718 | Virtual Local Area Network Identifier Substitution as Time To Live Method - An apparatus comprising a node that uses a set of determined virtual local area network (VLAN) identifier (VIDs) to provide a hop limit for a packet forwarded by the node in a network. Also disclosed is a network component comprising a receiver that receives a packet comprising a VID that belongs to a determined set of ordered VIDs, a processor that substitutes the VID in the packet from the set of ordered VIDs and maps the VID to a next hop or instead drops the VID if the VID is a last ordered VID of the ordered VIDs, and a transmitter that forwards the packet comprising the substituted VID to the mapped next hop. | 2013-08-15 |
20130208719 | MULTICAST TRANSMISSIONS - A method for multicast transmissions between a source node and a client node includes the source node generating a multicast stream identifier to uniquely identify the multicast stream, and the source node establishing a path between the source node and the client node for a specified the multicast stream, each node in the path using unicast routing tables in order to identify a next node on the path during path establishment, and the source node transmitting messages of the specified multicast stream along the path. Network nodes implement the method. | 2013-08-15 |
20130208720 | Method And Apparatus For Distributing Routing Instructions Over Multiple Interfaces Of A Data Router - A method for processing multicast data packets has steps for (a) requesting a second router upstream router by a multiple-processor data router to join a multicast group, the request including identification of a single physical ingress port from a plurality of available ports for receiving the multicast data packets; (b) preparing a multicast forwarding information base (MFIB) limited to only forwarding information incorporating the identified physical ingress port, and distributing the MFIB to a client software module hosting the identified physical ingress port; (c) receiving the multicast data packets at the identified ingress port; and (d) using only the MFIB to route the received multicast data packets. | 2013-08-15 |
20130208721 | PACKET ROUTING WITH ANALYSIS ASSIST FOR EMBEDDED APPLICATIONS SHARING A SINGLE NETWORK INTERFACE OVER MULTIPLE VIRTUAL NETWORKS - Techniques are provided for packet routing in a distributed network switch. The distributed network switch includes multiple switch modules operatively connected to one another, and each switch module includes multiple bridge elements and a management controller. In one embodiment, a shared interface routing (SIR) framework is provided that includes an analysis and bifurcation layer, at least one packet interface, and an analysis assist layer. A packet is received over a first logical network and via a physical port, the packet being destined for at least a first application executing on the management controller. The analysis assist layer analyzes the packet to determine a reason code to assign to the packet. The analysis and bifurcation layer then analyzes the packet based at least in part on the reason code. | 2013-08-15 |
20130208722 | PACKET ROUTING WITH ANALYSIS ASSIST FOR EMBEDDED APPLICATIONS SHARING A SINGLE NETWORK INTERFACE OVER MULTIPLE VIRTUAL NETWORKS - Techniques are provided for packet routing in a distributed network switch. The distributed network switch includes multiple switch modules operatively connected to one another, and each switch module includes multiple bridge elements and a management controller. In one embodiment, a shared interface routing (SIR) framework is provided that includes an analysis and bifurcation layer, at least one packet interface, and an analysis assist layer. A packet is received over a first logical network and via a physical port, the packet being destined for at least a first application executing on the management controller. The analysis assist layer analyzes the packet to determine a reason code to assign to the packet. The analysis and bifurcation layer then analyzes the packet based at least in part on the reason code. | 2013-08-15 |
20130208723 | SYSTEM FOR SWITCHING BETWEEN COMMUNICATION DEVICES, SWITCHING METHOD, AND SWITCHING PROGRAM - A switching system in which a unique additional address is used for each session, and session information is transferred as it is without rewriting the session information when a communication device such as a server is switched, a switching method, and a switching program are disclosed. The switching system comprises a switching device ( | 2013-08-15 |
20130208724 | Automated Adaption to Various Industrial Ethernet Protocols - A method for configuring a field device that is connected to a field bus, wherein the field bus is designed for Industrial Ethernet Protocols, wherein the method comprises the following steps: analyzing a data packet transmitted on the field bus; determining an Industrial Ethernet Protocol being used in the data packet; and automatically activating a protocol stack suitable to determined Industrial Ethernet Protocol. | 2013-08-15 |
20130208725 | CONTENT-BASED FORWARDING OF NETWORK TRAFFIC - A method includes reading content of network traffic that arrives at a network port of a network switch of a mesh of network switches. A hash algorithm is applied to the read content to indicate a path to a destination network switch of the mesh, the hash algorithm being common to all network switches of the mesh. The network traffic is forwarded via a network port that is associated with the indicated path. | 2013-08-15 |
20130208726 | PACKET ROUTING FOR EMBEDDED APPLICATIONS SHARING A SINGLE NETWORK INTERFACE OVER MULTIPLE VIRTUAL NETWORKS - Techniques are provided for packet routing in a distributed network switch. The distributed network switch includes multiple switch modules operatively connected to one another, and each switch module includes multiple bridge elements and a management controller. In one embodiment, a shared interface routing (SIR) framework is provided that includes an analysis and bifurcation layer and at least one packet interface. A packet is received over a first logical network and via a physical port, the packet being destined for at least a first application executing on the management controller. The analysis and bifurcation layer analyzes the packet and sends the packet to the packet interface, which then routes the packet to the first application. | 2013-08-15 |
20130208727 | APPARATUS & METHOD - A network switch adaptive routing mechanism is disclosed along with an associated method of data routing. In particular, a mechanism is disclosed that enables adaptive routing selection within a crossbar switch. | 2013-08-15 |
20130208728 | PACKET ROUTING FOR EMBEDDED APPLICATIONS SHARING A SINGLE NETWORK INTERFACE OVER MULTIPLE VIRTUAL NETWORKS - Techniques are provided for packet routing in a distributed network switch. The distributed network switch includes multiple switch modules operatively connected to one another, and each switch module includes multiple bridge elements and a management controller. In one embodiment, a shared interface routing (SIR) framework is provided that includes an analysis and bifurcation layer and at least one packet interface. A packet is received over a first logical network and via a physical port, the packet being destined for at least a first application executing on the management controller. The analysis and bifurcation layer analyzes the packet and sends the packet to the packet interface, which then routes the packet to the first application. | 2013-08-15 |
20130208729 | SYSTEMS AND METHODS FOR FACILITATION OF COMMUNICATIONS SESSIONS AMONGST A PLURALITY OF NETWORKS - Systems and methods that allow carriers, content providers and other stakeholders to, among other things, efficiently manage communications sessions, such as delivery of content, across one or more of a plurality of networks. | 2013-08-15 |
20130208730 | SWITCHING MATRIX FOR INTERCONNECTING AN ACCESS NETWORK AND OPERATOR NETWORKS - A switching matrix connects to an access network and a set of at least two operator networks. A controller performs a method of establishing new connections across the switching matrix in response to new connection requests. The new connection requests involve a sub-set of the set of operator networks. The controller determines if the new connections can be established across the switching matrix by rearranging only existing connections across the switching matrix to the sub-set of operator networks and, in response, establishes the at least one new connection. Otherwise, the controller rearranges existing connections across the switching matrix to at least one other of the set of operator networks to establish the new connections. The controller minimises the number of other operator networks which are involved when rearranging existing connections. The switching matrix can be a Clos switching matrix. | 2013-08-15 |
20130208731 | POSTED AND UNENCUMBERED QUEUES - In one aspect, techniques are provided for adding a packet to a queue. A packet may he received. A determination may be made if the packet is encumbered or unencumbered. The packet may be added to a posted queue, to an encumbered queue, or a unencumbered queue based on the determination. In another aspect, techniques are provided for de-queuing a packet in a posted queue. A posted packet may be de-queued and encumbered queues associated with the packet may be added to unencumbered queues. | 2013-08-15 |
20130208732 | Transporting Fibre Channel over Ethernet - Methods and apparatus for the Transporting of Fibre Channel data over Ethernet are disclosed. In one embodiment of the invention, Fibre Channel data frame and primitive signals are transported over Ethernet instead of using the Fibre Channel FC- | 2013-08-15 |
20130208733 | COMMUNICATION SYSTEM AND SUPERIMPOSING APPARATUS - The communication system includes: first terminal devices connected to a transmission path and having terminal information; a second terminal device connected to the path and sending an information request requesting the information from the first terminal device; a first superimposing apparatus interposed between the first terminal device and the path; and a second superimposing apparatus interposed between the second terminal device and the path and receiving the request from the second terminal device. The first superimposing apparatus acquires the information from the connected first terminal device at predetermined timings and stores it. Upon receiving the request, the second superimposing apparatus sends the request to the first superimposing apparatus using a superimposed signal superimposed on a transmission signal transmitted via the path. Upon receiving the request, the first superimposing apparatus sends the information to the second superimposing apparatus using the superimposed signal. Upon receiving the information, the second superimposing apparatus provides the information to the second terminal device. | 2013-08-15 |
20130208734 | SYSTEMS AND METHODS FOR COMMUNICATING AGGREGATED PACKETS INCLUDING DELIMITERS - Systems, methods, and computer program products for communicating aggregated packets including delimiters are described herein. In one aspect, a processor is configured to prepare a packet comprising an aggregated media access control service data unit (A-MSDU) having a plurality of MSDU subframes. Each MSDU subframe includes a MSDU subframe header and a MSDU. Further, the processor is configured to insert an indication of an end of the A-MSDU in the A-MSDU. A transmitter is configured to transmit the packet wirelessly. In another aspect, a receiver is configured to receive wirelessly a packet comprising an A-MSDU having a plurality of MSDU subframes and an indication of an end of the A-MSDU in the A-MSDU. A processor is configured to determine the end of the A-MSDU based on the indication. | 2013-08-15 |
20130208735 | CLOCK SYNCHRONIZATION USING MULTIPLE NETWORK PATHS - In a network device communicatively coupled to a master clock via a plurality of different communication paths, a clock synchronization module is configured to determine a plurality of path time data sets corresponding to the plurality of different communication paths based on signals received from the master clock via the plurality of different communication paths between the network device and the master clock. A clock module is configured to determine a time of day as a function of the plurality of path time data sets. | 2013-08-15 |
20130208736 | Method For Illuminating A Sample With Supercontinuum Pulses - A method of providing supercontinuum illumination in applications involving the excitation of fluorescence, comprising generating, at an optical pump laser, optical pump pulses at a pump pulse repetition rate; selectively controlling with an optical modulator the launch of pump pulses into a nonlinear optical element comprising an optical fiber at a variable, lower repetition rate to thereby selectively control the repetition rate of supercontinuum pulses generated within the optical fiber; and illuminating a sample with supercontinuum pulses to excite fluorescence. The supercontinuum pulses can be wavelength filtered such that the fluorescence is excited with wave length filtered supercontinuum pulses. | 2013-08-15 |
20130208737 | Variable Repetition Rate And Wavelength Optical Pulse Source - Variable repetition rate and wavelength optical pulse source, comprising a fixed or variable repetition rate source of supercontinuum pulses; a wavelength tunable optical bandpass filter to filter the supercontinuum pulses at two or more wavelengths, wherein said source of supercontinuum pulses and said wavelength tunable optical bandpass filter are configured such that the optical pulse source can provide variable repetition rate and variable wavelength optical pulses including a series of repetition rates with selected wavelength-varying pulse trains. | 2013-08-15 |
20130208738 | Method and Apparatus for Providing Supercontinuum Pulses - Optical pulse source for generating optical supercontinuum pulses, comprising an optical pump laser operable to generate optical pump pulses at a pump pulse repetition rate Rf; a nonlinear optical element comprising a microstructured optical fiber arranged to receive the optical pump pulses and configured to spectrally broaden the pump pulses to generate optical supercontinuum pulses; an optical modulator provided between the optical pump laser and the microstructured optical fiber and operable to selectively control the launch of pump pulses into the microstructured optical fiber at a variable, reduced repetition rate Rr=Rf/N, wherein N is a positive integer, to thereby control the repetition rate of optical supercontinuum pulses generated within the nonlinear element; and wherein the optical pulse source is configured to provide a plurality of different repetition rates and nominally identical spectral broadening for the different repetition rates. | 2013-08-15 |
20130208739 | Supercontinuum Pulse Source - An optical pulse source for generating optical supercontinuum pulses comprises an optical pump laser operable to generate optical pump pulses at a pump pulse repetition rate Rf; a nonlinear optical element comprising an optical fiber for generating optical supercontinuum pulses; an optical modulator operable to selectively control the launch of pump pulses into the optical fiber at a reduced, lower repetition rate Rr=Rf/N in order to generate optical supercontinuum pulses at a selectable and lower repetition rate; an optical fiber amplifier located between the optical modulator and the optical pump laser; wherein the optical supercontinuum pulses generated by the optical fiber have a supercontinuum spanning from below 450 nm to greater than 2000 nm; wherein the optical pulse source is provided with a microprocessor configured to determine when supercontinuum pulses are delivered; and wherein the optical pulse source is configured to provide an output trigger signal. | 2013-08-15 |
20130208740 | AMPLIFICATION DEVICE WITH FREQUENCY DRIFT FOR A PULSED LASER - An amplification device with frequency drift for a pulsed laser includes a stretcher temporally stretching an incident laser pulse, at least one amplifying medium for amplifying the stretched laser pulse, and a compressor for temporally compressing the stretched and amplified laser pulse. The compressor includes an amplifying medium for amplifying a partially temporally compressed laser pulse, increasing energy yield of the amplifier. | 2013-08-15 |
20130208741 | Laser architectures - Disclosed herein are architectures for VCSEL systems. By using high power IR VCSEL element(s), a bulk doubling material can be used to double the IR light and generate visible light (red, green, blue, or UV light) in a cavity, in either continuous wave (CW) or pulsed mode. The reflectivity of the output distributed Bragg reflector (DBR) of these VCSELs can be designed to increase the power in the cavity, rather than the power in the VCSEL laser. By enabling the use of a bulk doubling material in the cavity and directly doubling the VCSEL the device can be inexpensive, simpler, high efficiency, better reliability, and vastly improved manufacturing and alignment tolerances. There are a number of cavity architectures that can be used to double the IR light from the VCSEL(s). The VCSEL(s) can be single elements, or arrays with high intensity elements. | 2013-08-15 |
20130208742 | OPTICAL DEVICE, LASER APPARATUS, AND EXTREME ULTRAVIOLET LIGHT GENERATION SYSTEM - An optical device may include: an optical module disposed in a beam delivery path of a laser beam; a beam adjusting unit disposed in the beam delivery path for adjusting the beam delivery path of the laser beam; a measuring unit disposed in the beam delivery path for detecting the beam delivery path; and a control unit for controlling the beam adjusting unit based on a detection result of the beam delivery path of the laser beam detected by the measuring unit. | 2013-08-15 |
20130208743 | BROADBAND QUANTUM CASCADE LASER SOURCE - A broadband quantum cascade laser (QCL) source includes one or more QCLs having an active region designed based on a diagonal laser transition. The QCL source may include multiple QCLs formed in an array or the QCL source may comprise a single QCL device. Although each QCL provides an emission spectrum comprising a small range of wavelengths at a given applied voltage, changes in the applied operating voltage result in changes in the emission spectrum of the QCL due to the Stark shift. When the QCL source comprises a plurality of QCLs formed in an array, at least some of the elements in the array may receive different applied operating voltages such that the combined output spectrum of the array is broader than that achievable by a single QCL. When the QCL source comprises a single QCL device, an applied operating voltage may be swept through a range of applied voltages such that that combined output spectrum over one sweep cycle is broader than the output spectrum of the QCL device when a static operating voltage is applied. Alternatively, the single QCL device may comprise multiple independent gain sections, wherein each of the independent gain sections is configured to operate at a different voltages to provide a broadband output spectrum. | 2013-08-15 |
20130208744 | EXCIMER LASER AND LASER DEVICE - An excimer laser may include a frame, a base plate on which the frame is disposed, an excimer laser configured to oscillate and output laser light by discharge-pumping within a chamber containing a laser gas, an optical element that is mounted upon the frame and that is disposed in the optical path of the outputted laser light and a heat removal mechanism connected to both the frame and the base plate. | 2013-08-15 |
20130208745 | HEAT-SWAP DEVICE AND METHOD - A TOSA can include: a light emitting element; and one or more heating elements thermally coupled to the light emitting element so as to provide a substantially constant heat generation profile and/or temperature profile across the TOSA during a light emitting element dormant period and a light emitting element firing period. The TOSA can include a controller operably coupled with the one or more heating elements so as to control the substantially constant heat generation profile and/or temperature profile. In one aspect, the one or more heating elements can include one or more dedicated heating elements. In one aspect, the one or more of the dedicated heating elements can include a resistor element or coil. | 2013-08-15 |
20130208746 | LASER SYSTEM WITH WAVELENGTH CONVERTER - The present invention relates to an apparatus comprising a diode laser ( | 2013-08-15 |
20130208747 | SEMICONDUCTOR DEVICE - A semiconductor device includes: a semiconductor substrate made of a hexagonal Group III nitride semiconductor and having a semi-polar plane; and an epitaxial layer formed on the semi-polar plane of the semiconductor substrate and including a first cladding layer of a first conductive type, a second cladding layer of a second conductive type, and a light-emitting layer formed between the first cladding layer and the second cladding layer, the first cladding layer being made of In | 2013-08-15 |
20130208748 | LASER DIODE WITH HIGH EFFICIENCY - It is the object of the present invention to specify a light source with high efficiency and high eye safety at the same time. | 2013-08-15 |
20130208749 | SUPERLUMINESCENT DIODE AND OPTICAL COHERENCE TOMOGRAPHY APPARATUS INCLUDING THE SUPERLUMINESCENT DIODE - A superluminescent diode which amplifies light through stimulated amplification and outputs emitted beams from one of edges at two ends includes a cladding layer of a first conductivity type formed on a semiconductor substrate, an active layer formed on the cladding layer of the first conductivity type, a cladding layer of a second conductivity type formed on the active layer, and a multilayer film formed at the other edge opposite to the one edge that emits the beams, reflectance of which has wavelength dependence, and a spectral shape of the emitted beams output from the one edge is controllable by the multilayer film. | 2013-08-15 |
20130208750 | SEMICONDUCTOR LASER DIODE HAVING WAVEGUIDE LENS - Provided is a semiconductor laser diode having a waveguide lens. The semiconductor laser diode includes at least one first waveguide having a narrow width, at least one second waveguide having a wide width wider, and at least one waveguide lens having an increasing width from the first waveguide toward the second waveguide and connecting the first waveguide to the second waveguide. Sidewalls of the waveguide lens connecting the first waveguide to the second waveguide may be curved. The second waveguide may be a waveguide providing an optical gain. | 2013-08-15 |
20130208751 | OPTICAL SEMICONDUCTOR DEVICE - In a BH laser which uses InGaAlAs-MQW in an active layer, Al-based semiconductor multi-layer films including an InP buffer layer and an InGaAlAs-MQW layer, and an InGaAsP etching stop layer are formed in a mesa shape, and a p type InP burial layer is buried in side walls of the mesa shape. An air ridge mesa-stripe of a lateral center that is substantially the same as that of the mesa shape is formed on the mesa shape. According to the present structure, a leakage current can be considerably reduced, the light confinement coefficient can be made to be larger than in a BH laser in the related art, and thereby it is possible to implement a semiconductor laser with a low leakage current and a high relaxation oscillation frequency. | 2013-08-15 |
20130208752 | HYBRID SILICON VERTICAL CAVITY LASER WITH IN-PLANE COUPLING - A silicon vertical cavity laser with in-plane coupling comprises wafer bonding an active III-V semiconductor material above a grating coupler made on a silicon-on-insulator (SOI) wafer. This bonding does not require any alignment, since all silicon processing can be done before bonding, and all III-V processing can be done after bonding. The grating coupler acts to couple the vertically emitted light from the hybrid vertical cavity into a silicon waveguide formed on an SOI wafer. | 2013-08-15 |
20130208753 | Optical Pump for High Power Laser - Optical pump modules using VCSEL arrays are provided to pump optical gain media for achieving high power laser output in CW, QCW and pulse operation modes for operation. Low divergence and symmetric far-field emission from VCSELs are particularly suitable for compact arrays. VCSEL arrays configured as laser pump modules are operable at high temperatures with practically no degradation over a long period of time. VCSEL pump modules are adaptable for side- or end-pumping configurations to pump high power lasers in CW, QCW and pulse mode. Power output from VCSEL pump modules is scalable. Incorporating microlens arrays with the VCSEL arrays improve brightness of the pump modules. High power and high temperature operation of VCSEL modules make it suitable for making compact high power solid state lasers that are operable in small spaces such as, ignition of internal combustion engines, stationary power generation engines and pulsed detonation engines. | 2013-08-15 |
20130208754 | LASER APPARATUS, COMPONENT, METHOD AND APPLICATIONS - A method for two-dimensional spatial (transverse) mode selection in waveguide and free-space laser resonators and associated laser systems employing said resonators. The invention is based on the cylindrical symmetry of the angular selectivity of reflecting volume Bragg gratings (R-VBGs) that are used as spectrally selective minors in resonators. Matching the divergence of a laser beam and the angular selectivity a reflecting volume Bragg grating can establish different losses for transverse modes of different orders, while not restricting the aperture of the laser resonator, and enables single mode operation for resonators that support a plurality of transverse modes. The invention provides a laser having increased brightness without a decrease of efficiency. | 2013-08-15 |
20130208755 | LIFT AND PIVOT DEVICE FOR A COVER OF A FURNACE AND FURNACE SYSTEM AND METHOD FOR CHARGING AND SERVICING SUCH A FURNACE SYSTEM - A lift and pivot device for a cover of a furnace including a guide housing having a base plate, a rotatably mounted slide roller, and a vertical opening; a lift pin that can be lifted and lowered inside the vertical opening; a lift cylinder for lifting and lowering the lift pin, the lift cylinder being articulated to the lift pin at one end as well as articulated and rotatably connected to the base plate at the other end; and a guide frame for carrying the cover. The guide frame includes a support arm, wherein an upper end of the support arm is equipped for connection to the cover and includes a lift nose having a lift eye which is in engagement with an end of the lift pin facing away from the lift cylinder. The support arm at the other end thereof has a slide plate. | 2013-08-15 |
20130208756 | LOW TEMPERATURE MELTING FURNACE HAVING IMPROVED COOLING FLOW AND METAL SECTOR - A low temperature melting furnace having improved cooling flow includes a wall including a plurality of metal sectors, wherein a metal sector includes a first metal sector and a second metal sector, which are formed in one unit, and a cooling passage through which a cooling water flows is formed in each of the first metal sector and the second metal sector, the first metal sector and the second metal sector being connected to each other through a connection unit. | 2013-08-15 |
20130208757 | LOW TEMPERATURE MELTING FURNACE AND METAL SECTOR USING AN EXTERNAL COOLING PASSAGE - A low temperature melting furnace using an external cooling passage includes a wall including a plurality of metal sectors, each metal sector including a cooling passage formed along a longitudinal direction thereof, and an extension tube provided outwardly from the wall and connected to the cooling passage. | 2013-08-15 |
20130208758 | SENSING AND MONITORING APPARATUS - There is described a monitoring apparatus comprising at least three sensors capable of detecting a characteristic of a fluid, the sensors located within a fluid to be monitored; each sensor comprising a probe arranged to enclose a temperature sensing device; a power circuit including a first current source, a second current source and a third current source, the first current source connected to a first temperature sensing device, the second current source connected to a second temperature sensing device, the third current source connected to a third temperature sensing device, the first current source and the second current source arranged to power respective first and second temperature sensing devices so as to cause self heating of the first temperature sensing device and the second temperature sensing device to a first temperature; the third current source arranged to power the third temperature sensing device so as to cause a minimum self heating of the third sensing device to a second temperature; wherein the first temperature is a higher temperature relative to the second; a sensing circuit connected to each said sensor, each circuit comprising a member arranged to compare the voltage across a temperature sensing device and to output a signal indicative of a response of the probe of the temperature sensing device, a first comparator and a second comparator and a comparison circuit for comparing the response of the second temperature sensing device with the response of the first temperature sensing device and adapted to output a second compare signal, and an output circuit adapted to receive a test signal and comprising means for indicating the characteristics of the fluid to be monitored. | 2013-08-15 |
20130208759 | Thermal Analysis Sample Holder - A sample holder for use in a scientific instrument requiring accurate and precise measurements of temperatures. The sample holder includes a ceramic sample cup diffusion bonded to a ceramic beam or to a ceramic adapter. A thermocouple is welded to the bottom of the sample cup. | 2013-08-15 |
20130208760 | Method For Measuring Electrical Conductor Temperature - A method for measuring the temperature of an electrical conductor, the method comprising (a) providing a clamp comprising a flexible, thermally conductive material in thermal contact with the electrical conductor, wherein the clamp has an outer surface of a known emissivity value, or a coating of a known emissivity value is disposed on the outer surface of the clamp and (b) measuring the infrared (IR) temperature of the clamp to determine the temperature of the electrical conductor. | 2013-08-15 |
20130208761 | Instrument with Non-contact Infrared Temperature Measurement and Current Clamp - A multi-meter performs multiple measurement functions and includes a housing with a longitudinal axis and a measurement display. The multi-meter further includes a clamp arm type current measuring instrument. The clamp arms are generally aligned with the longitudinal axis of the multi-meter housing. The multi-meter also includes a non-contact infrared temperature measurement device contained in a module attached to the stationary clamp arm of the current measuring instrument. The module is arranged so that the non-contact infrared temperature measurement instrument receives a cone of infrared energy along the longitudinal axis and the cone of infrared energy is not obstructed by the housing or clamp arms. | 2013-08-15 |
20130208762 | Suppression of Stimulated Raman Scattering - An apparatus and method for suppressing stimulated Raman scattering (SRS) in fiber optic distributed temperature sensing systems by use of a combination of a pump and seed lasers with chosen frequency differences. | 2013-08-15 |
20130208763 | CIRCUIT AND METHOD FOR SENSING A PHYSICAL QUANTITY, AN OSCILLATOR CIRCUIT, A SMARTCARD, AND A TEMPERATURE-SENSING CIRCUIT - A circuit for sensing a physical quantity according to an embodiment of the present invention includes a first oscillator circuit configured to provide a first clock signal including a first frequency depending on the physical quantity, and a second oscillator circuit configured to provide a second clock signal comprising a second frequency depending on the physical quantity. The circuit also includes a frequency comparator circuit configured to provide a frequency signal indicative of the physical quantity, the frequency signal being based on the first and second frequencies, wherein the first and second oscillator circuits are configured to provide the first and second clock signals such that due to a change in the physical quantity one frequency of the first and second frequencies increases, while the other frequency of the first and second frequencies decreases. | 2013-08-15 |