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| Number | Title | Issue Date |
| 8190098 | Packet data multicast communication system, a station, and a method of operating the system A method of operating a packet data multicast communication system which comprises a network or NodeB (BS) and a plurality of mobile stations (MS1, MS2, MS3). The network and the mobile stations have transceiving equipment (14, 34) for th... | 05/29/2012 |
| 8185060 | Serving base station selection using backhaul quality information Techniques for selecting a serving base station for a terminal by taking into consideration the backhaul quality of candidate base stations are described. In one design, a base station may determine backhaul quality information indicative of its current backhaul qua... | 05/22/2012 |
| 8175539 | System and method for management of a shared frequency band A system, method, software and related functions are provided for managing activity in a radio frequency band that is shared, both in frequency and time, by signals of multiple types. An example of such a frequency band is an unlicensed frequency band. Radio frequen... | 05/08/2012 |
| 8175538 | Calibrating a wireless communication device In a multiple-input, multiple-output system, the frequency of transmitted signals can be partitioned into some number of frequency bins. During an exchange of sounding signals, a first station can monitor the quality of the signals to select a second station that is... | 05/08/2012 |
| 8165533 | Apparatus and method for beamforming based on generalized eigen-analysis in multiple input multiple output wireless communication system An apparatus and method for beamforming in a Multiple Input Multiple Output (MIMO) wireless communication system are provided. A Base Station (BS) includes a calculator for generating relational expressions between beamforming vectors of Mobile Stations (MSs) using ... | 04/24/2012 |
| 8165532 | Wireless communication apparatus and method of controlling the same A wireless communication apparatus for performing wireless communication by selectively switching among a plurality of transmission schemes having different transmission performance capabilities is provided. A detection unit detects reception quality of a signal, an... | 04/24/2012 |
| 8160505 | Wireless communication apparatus, program, wireless communication method and wireless communication system A wireless communication apparatus includes a transmitting portion to transmit a data signal to other wireless communication apparatus, a receiving portion to receive a reception confirmation signal indicating reception of the data signal by the other wireless commu... | 04/17/2012 |
| 8155598 | System and method for power control in MIMO systems The return channel in a multiple-input and multiple-output (MIMO) communication system is used to provide signal information on an individual-channel basis. In one embodiment, in a controlled factory environment, this information may be used to incrementing up or do... | 04/10/2012 |
| 8155597 | Transmission scheduling for receiver feedback A network device including a first feedback module and a first calibration module. The first feedback module generates a first transmission schedule, which include (i) a first subcarrier schedule to determine an order of transmitting subcarriers and (ii) a first mat... | 04/10/2012 |
| 8150330 | Method and system for greedy user group selection with range reduction for FDD multiuser MIMO downlink transmission with finite-rate channel state information feedback Aspects of a greedy search user group selection scheme with range reduction for FDD multiuser MIMO downlink transmission with finite-rate channel state information feedback are provided. The method may comprise receiving feedback information via a communication chan... | 04/03/2012 |
| 8150331 | Method for adapting the signal transmission between two electronic devices, as well as arrangement with a computer system and a peripheral device A method for adapting the signal transmission between two electronic devices (1, 2) that are connected to each other via a physical interface and that each have a transmitter (8a, 8b) and a receiver (7a, 7b | 04/03/2012 |
| 8145138 | Apparatus and method for removing interference in multiple antenna system Provided are an apparatus and a method for removing an interference in a multiple antenna system. The apparatus includes a channel estimator, a covariance matrix generator, a weight calculator, and a beam forming unit. The channel estimator estimates a channel for a... | 03/27/2012 |
| 8140024 | Fast convergence to optimal beam patterns Systems and methods for joint training of beam patterns in a system having a transmitter and a receiver. Initial transmit and receive beam pattern vectors are first selected. The beam pattern vectors are perturbed to produce a plurality of perturbed transmit and rec... | 03/20/2012 |
| 8126406 | Closed-loop signalling method for controlling multiple transmit beams and correspondingly adapted transceiver devices A closed-loop signalling method controls multiple transmit beams. The method also includes transmitting a plurality of beams from a first transceiver via a plurality of transmission channels to a second transceiver, evaluating, at the second transceiver, characteris... | 02/28/2012 |
| 8121554 | Radio apparatus A data rate is to be determined depending on circumstances. A control unit (30) transmits, at a predetermined frequency, a request signal by which to supply information on a data rate to a targeted radio apparatus compatible with a variable data rate. The con... | 02/21/2012 |
| 8121555 | Transmission power control in HSPDA Method, mobile station, base station and computer program product for transmission power control in a wireless communication comprising the adjustment of the retransmission power for at least a part of an unsuccessfully received data block at a receiver according to... | 02/21/2012 |
| 8116693 | Method, apparatus and system for providing feedback to a transmit diversity device A method and system for improving closed loop feedback in transmit diversity communication. In one embodiment of the invention, a predetermined variation of one or more transmit diversity parameters is performed at the transmit diversity transmitter. The receiver co... | 02/14/2012 |
| 8107888 | Communication operating mode selection based on multi-path signal power measurement A method for communication operating mode selection is presented. In the method, each of a plurality of communication signals is transmitted by way of a separate one of a first plurality of antennas according to a first operating mode. The transmitted communication ... | 01/31/2012 |
| 8103220 | Radio-resource management system and method thereof, and management apparatus, base station and terminal to be employed for it Terminals and base stations belonging to service areas 100 to 102 of plural radio operators periodically measure a radio-link quality and an availability ratio of a radio link to notify them to a radio-resource management server 40. The server | 01/24/2012 |
| 8099058 | Enhanced wideband transceiver A method for operating an integrated transceiver, comprising coupling an operating transmitter and an operating receiver within the integrated wideband receiver, inputting a signal into the operating transmitter, performing a first conversion of the signal, wherein ... | 01/17/2012 |
| 8095079 | Decentralized control of feedback for multi-user diversity A communication apparatus includes a mobile terminal to measure a downlink channel state of a downlink between a base station and the mobile terminal, and to determine whether to transmit feedback information about the downlink channel state to the base station base... | 01/10/2012 |
| 8095078 | Communication terminal device In an embodiment of the invention, a communication terminal device, which may include a message generation circuit configured to generate an information inquiry message which specifies that another communication terminal device should transmit information about perf... | 01/10/2012 |
| 8078117 | Asset apparency method and apparatus A method and apparatus making an asset apparent. The method and apparatus may be configured to obtain an asset apparency request to locate an asset, wherein the asset apparency request includes an identification code corresponding to the asset, to generate an asset ... | 12/13/2011 |
| 8064841 | Asset apparency method and apparatus Methods and apparatus for making as asset apparent. An individual wishing to locate an asset uses an apparatus to enter an identification code corresponding to the asset. The identification code is transmitted in a request to the asset, where it is processed to dete... | 11/22/2011 |
| 8060023 | Mobile communication system, radio base station, and mobile station In a mobile communication system according to the present invention, a data transmitting-side apparatus is configured to retransmit a transmission data block according to a transmission acknowledgement signal transmitted from a data receiving-side apparatus. The dat... | 11/15/2011 |
| 8060024 | Apparatus and method for transmitting data in a communication system An apparatus and method for transmitting data in a communication system are provided. The method for transmitting the data includes determining data to be transmitted over a power boosting zone, generating a power boosting zone used for power-boosting and transmitti... | 11/15/2011 |
| 8045932 | Double search user group selection scheme with range reduction for FDD multiuser MIMO downlink transmission with finite-rate channel state information feedback Aspects of a double search user group selection scheme with range reduction for FDD multiuser MIMO downlink transmission with finite-rate channel state information feedback are provided. The method may comprise maximizing system capacity using feedback information f... | 10/25/2011 |
| 8045930 | Tag frequency control A communication system comprising one or more transceiver units of a first type and one or more transceiver units of a second type capable of communicating with the transceiver units of the first type; each transceiver unit of the first type comprising: a frequency ... | 10/25/2011 |
| 8045931 | Method and apparatus for regulating base station ACK/NAK message transmit power in a wireless communication system A base station (BS) (110) in a wireless network (100) establishes power levels for transmitting messages acknowledging receipt of packet data from a mobile communications device (MCD) (114). In one implementation, the BS infers whether the MCD r... | 10/25/2011 |
| 8041308 | Method of transmitting channel quality information in mobile communication system A method of exchanging channel quality information between a base station and a user equipment in a mobile communication system is disclosed. A method of transmitting channel quality information in a mobile communication system which transmits channel quality inform... | 10/18/2011 |
| 8036603 | Method, apparatus and system for providing feedback to a transmit diversity device A method and system for improving closed loop feedback in transmit diversity communication. In one embodiment of the invention, a predetermined variation of one or more transmit diversity parameters is performed at the transmit diversity transmitter. The receiver co... | 10/11/2011 |
| RE42800 | Apparatus, and associated method, for facilitating selection of power levels at which to communicate data in a radio communication system Apparatus, and an associated method, for effectuating power control in a radio communication system, such as an IS-95/IS-2000 system which deploys 1×EV-DO technology. At a mobile station, a channel indicia measurer measures channel conditions upon a radio link. Res... | 10/04/2011 |
| 8027643 | Method and a radio base station in a telecommunications system The present invention relates to radio base stations including a standardized interface CPRI between a Radio Equipment (RE) and a Radio Equipment Controller (REC). The present invention also relates to a method. The problem addressed is how to convey calibration inf... | 09/27/2011 |
| 8019288 | Apparatus and method for cooperative relay in a wireless communication system based on relay stations An apparatus and method for cooperative relay in a multiple-antenna wireless communication system based on relay stations (RSs) are provided. The apparatus includes a serial/parallel converter for dividing data into N number of streams, a channel estimator for calcu... | 09/13/2011 |
| 8019287 | On demand antenna feedback A feedback method in which a notification is received that a transmitting device has scheduled a transmission of data to the receiving device. Antenna feedback is generated in response to receipt of the notification. The antenna feedback is sent to the transmitting ... | 09/13/2011 |
| 8010053 | Reliability detection of channel quality indicator (CQI) and application to outer loop power control A method for determining a channel quality in wireless communications includes receiving a high speed shared control channel (HS-SICH) transmission. An expected number of HS-SICH transmissions and a number of unsuccessful HS-SICH transmissions are counted. The numbe... | 08/30/2011 |
| 8000658 | Communicating apparatus, communicating method, and computer program product A communication control unit transmits a detection message and receives a reply message with respect to an external device via a communicating unit. A first calculating unit calculates distance to the external device based on time required to receive the reply messa... | 08/16/2011 |
| 7986920 | Image communication apparatus An image communication apparatus which can keep any deterioration in picture quality of an image down to the minimum level and which can perform transmission of an image signal of one frame within a predetermined time even in the case where the communication state b... | 07/26/2011 |
| 7983623 | System and apparatus for interference suppression using macrodiversity in mobile wireless networks In a wireless network, plural downlink signals from plural base stations are transmitted to a terminal. The plural downlink signals all carry the same information to the terminal. The terminal provides feedback on the downlink channels. The feedback provides informa... | 07/19/2011 |
| 7974584 | Wireless communication system A wireless communication system capable of eliminating interference accompanying uplink transmission at the time of diversity handover, thereby improving the quality of wireless communication. An uplink quality measurer measures an uplink quality representing the qu... | 07/05/2011 |
