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| Number | Title | Issue Date |
| 8184607 | Preamble channel decoding Rather than attaching a preamble to a data traffic subpacket, a preamble channel is transmitted along with a traffic channel. In a system wherein the data traffic subpackets are variably sized, preambles can also be variably sized if a target station can decode vari... | 05/22/2012 |
| 8184608 | System and method for using CDMA PN offset to maintain instrument timing reference A system and method is provided enabling identification of different PN offsets values for CDMA signals without access to a GPS signal, such as when making measurements within indoor environments. When a timing reference, such as that provided by a GPS signal, is lo... | 05/22/2012 |
| 8175068 | Active spread code detection A System, method and computer readable medium for determining an active code set comprises determining code detection statistics for corresponding spread code indices, sorting the determined code detection statistics and the corresponding spread code indices accordi... | 05/08/2012 |
| 8169992 | Uplink scrambling during random access The technology described in this case facilitates random access by a user terminal with a radio base station. A user terminal determines one of a first type of uplink scrambling sequences and generates a random access message using the determined one of the first ty... | 05/01/2012 |
| 8165103 | Method and arrangement for preamble detection In a hardware accelerator for preamble detection of a Physical Random Access Channel (PRACH) in a CDMA based communication system, buffering means stores input samples received at an antenna at a first rate, addressing means read a predetermined consecutive number o... | 04/24/2012 |
| 8160045 | Beacon miss prevention in power save modes using timing synchronization function A system including a receive module, a beacon sensing module, and a control module. The receive module is configured to transition from a power save mode to an active mode based on a first clock to receive a delivery traffic indication message (DTIM) beacon. The bea... | 04/17/2012 |
| 8160043 | Baseband chip and method to implement multi-mode switching for mobile terminal based on baseband chip The present invention discloses a baseband chip and a method to implement multi-mode switching for a mobile terminal based on the baseband chip, the baseband chip of the mobile terminal in the present invention includes three subsystems of a source encoding/decoding... | 04/17/2012 |
| 8160042 | Spread spectrum communication device and spread spectrum communication method In a compressed mode, a spread spectrum communication device interleaves bit units across multiple frames using an interleaver, reduces the spreading factor using a framing/spreading unit, outputs the compressed mode frames at a predetermined compressed mode frame t... | 04/17/2012 |
| 8160044 | Method of improving continuous packet connectivity in a wireless communications system and related apparatus In order to enhancing system efficiency of radio resource control, the present invention provides a method for a user equipment in a wireless communications system for improving functions of continuous packet connectivity. The method includes configuring a first HS-... | 04/17/2012 |
| 8155097 | System and method for estimating interference in a packet-based wireless network A system and method for predicting future interference power in packet-switched networks is disclosed, allowing improved performance in such networks via optimized link adaptation and power control. In an embodiment for use in a cellular network, Kalman filtering ca... | 04/10/2012 |
| 8155096 | Antenna control system and method Each of multiple directional transmissions from an antenna array of a subscriber unit are received at a base unit. Based on the detected quality of received signals at the base unit, directional transmissions from the antenna array that produce a higher quality of r... | 04/10/2012 |
| 8144679 | Inactivity timer in a discontinuous reception configured system Systems, methods and wireless devices are provided that utilize a timer to ensure a receiver of a wireless device is on to receive downlink transmissions. In the event the timer runs out without further resource allocation, the mobile device turns its radio off. If ... | 03/27/2012 |
| 8134990 | Defining adaptive detection thresholds A wireless device (24) receives a reference signal over a radio channel (21). The reference signal may be Positioning Reference Signals (PRS) and/or Common Referencing Signals (CRS), and may be transmitted from a transmitter (22). The wireless d... | 03/13/2012 |
| 8130740 | Apparatus and method for channel transmission A radio physical channel is available to multiple logical channels commonly, and multiple radio physical control channels are provided concomitantly with the radio physical channel and include a commonly usable common control channel. A channel transmission apparatu... | 03/06/2012 |
| 8125971 | Generic parallel spreading Method for transmitting a wideband code division multiplex output signal at a given chip-rate corresponding to a plurality of combined physical radio links for respective user entities, comprising the steps of performing parallel symbol and code generation, parallel... | 02/28/2012 |
| 8121105 | Pilot signal transmission method and radio communication apparatus In a radio communication system, transmission of CAZAC sequences as the pilot signal sequences by using code division multiplexing as at least one of user multiplexing schemes, is done by dividing a system band as a frequency band usable in the system into frequency... | 02/21/2012 |
| 8121104 | Method and apparatus for blind transport format detection using discontinuous transmission (DTX) detection Methods and apparatus are provided for blind transport format detection using Discontinuous Transmission (DTX) detection. According to one aspect of the invention, the transport format that was used to transmit information is determined by identifying a transition b... | 02/21/2012 |
| 8116292 | MAC multiplexing and TFC selection procedure for enhanced uplink A method implemented in a wireless communication system including a wireless transmit/receive unit (WTRU), a Node-B and a radio network controller (RNC) for quantizing multiplexed data allowed by grants to closely match a selected enhanced uplink transport format co... | 02/14/2012 |
| 8111679 | Wireless communication apparatus and wireless communication method A wireless communication apparatus on the base station transmits beamformed multi-beam data to a wireless communication apparatus on the mobile station side using a multiple antennas. To obtain an expected directivity without gain reduction under the existence of ph... | 02/07/2012 |
| 8102832 | Fast frequency hopping with a code division multiplexed pilot in an OFDMA system Techniques are provided to support fast frequency hopping with a code division multiplexed (CDM) pilot in a multi-carrier communication system (e.g., an OFDMA system). Each transmitter (e.g., each terminal) in the system transmits a wideband pilot on all subbands to... | 01/24/2012 |
| 8102831 | Radio transmitting apparatus and method for transmitting OFDM signals from different antennas according to the degree of multiplexing The degree of multiplexing of a code division multiplexed signal transmitted by subcarriers is selected on a subcarrier-by-subcarrier basis. As a result, inter-code interference on the propagation path and degradation on the propagation path are lower for a code div... | 01/24/2012 |
| 8098643 | Method of increasing the capacity of the forward link MAC channel in a wireless communication system In an H-ARQ system, when the AN is receiving packet data traffic on the RL from an AT and is generating ACKs and NAKs according to the ability of the AN to properly decode such data, the AN gates-off a DRCLock bit within in a sub-packet duration in which an ACK is t... | 01/17/2012 |
| 8094638 | Adaptive selection of transmission parameters for reference signals An embodiment of the present invention uses estimates of delay spreads of transmissions from user equipments (UEs) to a NodeB to determine a set of transmission parameters for the UEs reference signals. In an exemplary embodiment, the transmission parameters for ref... | 01/10/2012 |
| 8094639 | Method for multiplexing data and control information A method for multiplexing a data information stream, including a systematic symbol and a non-systematic symbol, and a control information stream of at least three types in a wireless mobile communication system is disclosed. The method includes mapping the data info... | 01/10/2012 |
| 8085749 | Chaotic spreading codes and their generation Generation of a set of spreading codes starts with determining first and second chaotic pseudo-random noise codes having delta-peak-like autocorrelation functions and a low cross-correlation function. Further codes are obtained by the steps: (a) generating a further... | 12/27/2011 |
| 8081617 | Radio transmitting apparatus and radio transmitting method A radio transmitting apparatus and a radio transmitting method wherein the interference between codes can be reduced and the degradation of preamble detection capability can be prevented. According to these apparatus and method, a signature table storing part (10... | 12/20/2011 |
| 8077690 | Resource allocation in cellular communication systems A method for assigning resources to frequency selective (FS) and frequency non-selective (FNS) users, for example, in an orthogonal frequency-division multiplexing (OFDM) wireless communication system, including assigning a first frequency resource to at least one F... | 12/13/2011 |
| 8072957 | System and method for incorporating dynamic orthogonal frequency-division multiplexing into wireless network protocols A method for incorporating dynamic orthogonal frequency-division multiplexing (“OFDM”) in wireless networks is provided. Information about a wireless channel between a transmitter and one or more receivers communicating according to a wireless protocol is acquir... | 12/06/2011 |
| 8072958 | Reverse link pilot integrated with block codes A technique for encoding digital communication signals. Data symbols are augmented in pilot symbols inserted at predetermined positions. The pilot augmented sequence is then fed to a deterministic error correction block encoder, such as a turbo product coder, to out... | 12/06/2011 |
| 8068473 | Method for operating enhanced RLC entity and RNC entity for WCDMA and system thereof A method for operating an RLC entity and a MAC entity in a Universal Mobile Telecommunications System (UMTS), the European IMT-2000 system. A format of a MAC-has PDU is optimized in a MAC-hs entity, so that a large number of users can be supported with using less re... | 11/29/2011 |
| 8068474 | Variable rate coding for enabling high performance communication A protocol for optimizing the use of coded transmissions such as over wireless links. In this technique, interframes are split into segments selected to be an optimum size according to transmission characteristics of the radio channel. The inverse process is applied... | 11/29/2011 |
| 8064424 | SDMA for WCDMA Systems and methodologies are described that facilitate increasing system capacity in a code-limited WCDMA (e.g., TDD, FDD, . . . ) wireless communication environment. According to one aspect, a larger code space can be defined by introducing multiple code clusters ... | 11/22/2011 |
| 8059627 | Digital broadcasting system and method of processing data A digital broadcast system and a method of processing data are disclosed. The receiving system of the digital broadcast system includes a signal receiving unit, a first data processor, a second data processor, and an A/V decoder. The signal receiving unit receives a... | 11/15/2011 |
| 8045536 | Forward error correction scheme for high rate data exchange in a wireless system A transmitter/receiver system for high data transfer in a wireless communication system includes a physical layer processor that comprises an FEC coder, a demultiplexer and a plurality of modem processors. The FEC coder applies error correction codes to the high dat... | 10/25/2011 |
| 8040866 | CDMA-based mobile terminal, CDMA-based mobile communication method, and communication quality estimating method A mobile terminal comprises an antenna, radio unit, signal processing unit, signal analyzer unit, received signal information storage unit, and reception quality storage unit. Signal processing unit comprises a received signal processing unit and notified informatio... | 10/18/2011 |
| 8036197 | Signalling A network element may provide a plurality of user equipments with a dedicated pilot sequence for uplink reference signal transmission. A user equipment may, after receipt of a dedicated pilot sequence, spread the pilot sequences using a block spreading method. ... | 10/11/2011 |
| 8031687 | Optimized usage of access technology in a multi-mode architecture Embodiments of the present invention are directed to optimized usage of access technology in a multi-mode architecture. By optimizing usage of access technology in a multi-mode architecture, the handset can utilize the most effective access technology for the applic... | 10/04/2011 |
| 8031686 | Methods and apparatus for power control in multi-carrier wireless systems Methods and apparatus disclosed maximize the capacity of serving cells and minimize inter-cell interferences due to power emission from serving cells in a multi-carrier, multi-cell communication system. The control methods and apparatus take into account various fac... | 10/04/2011 |
| 8023486 | Multicell joint detection method in slotted code division multiple access system The present invention is directed to a multicell joint detection method, it deals against the interference between same frequency neighboring cell's signals in slotted CDMA system, and provides a joint detection method based on the multicell structure information. T... | 09/20/2011 |
| 8023487 | Transmission rate selection A method for transmitting data over a network in which multiple transmission conditions can be used for transmitting data, each transmission condition being associated with a rating indicative of how successful previous data transmissions using that transmission con... | 09/20/2011 |
