Patents for H04L 27 - Modulated-carrier systems (89,721)
11/2008
11/13/2008WO2008136569A1 Method of signaling map in ofdma system
11/13/2008WO2008136376A1 Demodulator and method
11/13/2008WO2008135982A2 Multiple input, multiple output (mimo) communication system over in-premises wires
11/13/2008WO2008135936A1 Fft spreading among selected ofdm sub-carriers
11/13/2008WO2008135911A1 Method and device for allocating resources in an ofdm network
11/13/2008WO2008135541A1 Determining a frequency error in a receiver of a wireless communications system
11/13/2008WO2008135393A1 Method and apparatus for correcting iq imbalance in an ofdm receiver
11/13/2008WO2008134976A1 Method and apparatus of establishing a synchronisation signal in a communication system
11/13/2008WO2008118895A3 Methods and apparatus for performing channel tree operations
11/13/2008WO2008118064A3 Measurement of cell-specific reference symbols in the presence of mbms single frequency network transmissions
11/13/2008WO2008115588A3 Mimo wireless communication method and apparatus for transmitting and decoding resource block structures based on a dedicated reference signal mode
11/13/2008WO2008115123A3 Transmission of channel-sounding reference signals in an ofdm-based communication system
11/13/2008WO2008110722A3 Method for symbol processing in a bi-directional communication by time reversal and communication unit for carrying out the same
11/13/2008WO2008087004A8 Use of provisionally decided symbols in a quadrature receiver
11/13/2008WO2008057752B1 Method and apparatus for fast cell search
11/13/2008US20080281585 Voice, location finder, modulation format selectable Wi-Fi, cellular mobile systems
11/13/2008US20080280571 RF transceiver with adjustable antenna assembly
11/13/2008US20080280569 System and Method for Carrying a Wireless Based Signal Over Wiring
11/13/2008US20080280566 Wireless communication apparatus with built-in channel emulator/noise generator
11/13/2008US20080279316 Method and apparatus for data reception
11/13/2008US20080279315 Wireless receiving apparatus and wireless receiving method
11/13/2008US20080279314 Digital Radio Mondiale receiver integer carrier frequency offset estimation
11/13/2008US20080279313 Sample clock frequency offset estimation in DRM
11/13/2008US20080279312 Apparatus and methods for jointly decoding messages based on apriori knowledge of modified codeword transmission
11/13/2008US20080279310 Enhanced signaling sensitivity using multiple references
11/13/2008US20080279309 Multi-Band DMT Receiver
11/13/2008US20080279308 Method and Transmitter Structure Reducing Ambiguity By Repetition Rearrangement in the Symbol Domain
11/13/2008US20080279307 Very High Data Rate Communications System
11/13/2008US20080279305 Radio transmitting apparatus, radio receiving apparatus, and m-ary modulation communication system
11/13/2008US20080279304 Data transmitting device, data transmitting method, data transmitting and receiving system, data transmitting computer program and stroage medium therefor, data receiving device, data receiving method, and data receiving computer program and storage medium therefor
11/13/2008US20080279303 Repetition-Dependent Mapping For Higher Order Modulation Schemes
11/13/2008US20080279301 Multiple antennas transmit diversity scheme
11/13/2008US20080279296 Method for transmitting control information, and method for generating codeword for the same
11/13/2008US20080279295 Tds-ofdma communication system uplink timing synchronization
11/13/2008US20080279294 Tds-ofdmaa communication system uplink frequency synchronization
11/13/2008US20080279293 Coded Orthogonal Frequency Division Multiplexing Method and Apparatus
11/13/2008US20080279292 Wireless communication apparatus and method
11/13/2008US20080279291 OFDM transmission and reception for non-OFDMA signals
11/13/2008US20080279290 Technique for Operating a Communication System at a Higher Spectral Utilization for Wireless Broadband Applications
11/13/2008US20080279271 Very High Speed Low Power Receiver Equalization System For Non-Return-To-Zero Transmission
11/13/2008US20080279270 High speed data packet access minimum mean squared equalization with direct matrix inversion training
11/13/2008US20080279263 Method and apparatus for reducing interference in space frequency block coding communication
11/13/2008US20080279172 Radio Communication Device, Demodulation Method, and Frequency Deflection Correction Circuit
11/13/2008US20080279123 Time division duplex wireless network and associated method using connection modulation groups
11/13/2008US20080279091 Fourier-transform based linear equalization for MIMO CDMA downlink
11/13/2008DE102007037105A1 Verfahren und Vorrichtung zur Detektion von simultaner Doppelaussendung von AM-Signalen Method and device for the detection of simultaneous dual emission of AM signals
11/13/2008CA2685680A1 Method and apparatus for multiplexing cdm pilot and fdm data
11/13/2008CA2683537A1 Selection of root indices in polyphase cazac sequences
11/12/2008EP1991016A1 Base station, wireless communication system, and pilot pattern deciding method
11/12/2008EP1990966A2 System and method of transmitting and receiving satellite digital radio signals over an ODD number of frequency slots
11/12/2008EP1990965A1 Multicarrier system with stored application profiles for supporting multiple applications
11/12/2008EP1990964A1 Method of reducing a peak to average power ratio of a multicarrier signal
11/12/2008EP1990963A1 Apparatus and method for adaptive wireless channel estimation
11/12/2008EP1989864A1 Method for addressing and signalling using sequences with predetermined correlation properties
11/12/2008EP1989851A2 In phase and quadrature path imbalance compensation
11/12/2008EP1989850A2 Method and apparatus for pilot multiplexing in a wireless communication system
11/12/2008EP1989848A2 Spatial pilot structure for multi-antenna wireless communication
11/12/2008EP1989784A1 Controlling a receiver to reduce influence by a predetermined interference
11/12/2008EP1661349B1 Apparatus and method for transmit power control and subcarrier modulation assignment in a multicarrier system
11/12/2008CN201150076Y Digital low-converter
11/12/2008CN101305576A 峰值对平均功率降低 Peak-to-average power reduction
11/12/2008CN101305575A Method and apparatus for normalizing input metric to a channel decoder in a wireless communication system
11/12/2008CN101305574A Tone hopping in the uplink of a sectorized OFDM system
11/12/2008CN101305573A Method and device for transmitting data via a transmission link
11/12/2008CN101305572A Quick detection of signaling in a wireless communication system
11/12/2008CN101305571A Image suppression receiver
11/12/2008CN101305570A Phase modulation device and wireless communication device
11/12/2008CN101305529A Apparatus, method and computer program product providing common pilot channel for soft frequency reuse
11/12/2008CN101304524A Method and device for transmitting and receiving mobile multimedia broadcast
11/12/2008CN101304404A Method for forming broadband time-domain digital beam
11/12/2008CN101304403A Method and system for frame synchronization
11/12/2008CN101304402A Locking method and system for correlation peak value process
11/12/2008CN101304401A Method and system for processing synchronous correlation peak value in digital communication
11/12/2008CN101304400A Method and apparatus for acquiring carrier jamming noise ratio
11/12/2008CN101304399A Method and equipment for multi-frequency deviation carrier synchronization and channel evaluation
11/12/2008CN101304398A Method for reducing PAR of OFDM system
11/12/2008CN101304397A Pilot frequency design method and transmitting/receiving device for idem frequency interference suppression of OFDM system
11/12/2008CN101304396A Low-power consumption MSK non-coherent digital demodulation method using phase axis detection and demodulator
11/12/2008CN101304395A Zero intermediate frequency transmitter as well as method and apparatus for correcting sideband and local oscillation leakage thereof
11/12/2008CN101304394A Method for equalizing immune dynamic channel for air time encoding OFDM system
11/12/2008CN101304304A Dynamic cooperation transmission method for OFDM mobile relay network
11/12/2008CN101304298A Self-adaption bit and power distribution method with low complex degree
11/12/2008CN101304261A Method and apparatus for spreading frequency band
11/12/2008CN100433746C Frame synchronization
11/12/2008CN100433745C Receiving frequency compensating method for pi/4 four-phase differential phase-shift key-control modulating mode
11/12/2008CN100433744C Phase-demodulation method for minimizing phase-error in communication sygnals
11/12/2008CN100433743C Active terminating device with optional line-receiving and line-driving capabilities
11/12/2008CN100433716C System and method for supporting multi-carrier downlink high-speed data packet access
11/12/2008CN100433600C CDMA spectrum-spreading method, despreading method and receiver
11/12/2008CN100433580C Radio receiving apparatus and method
11/12/2008CN100433571C Low interference uwb wireless communication system and processing method thereof and storage medium recorded program of the same
11/12/2008CN100433562C Compensation of filters in radio transmitters
11/12/2008CN100433542C Quadratic video demodulation with baseband nyquist filter
11/11/2008USRE40568 Synchronization symbol structure using OFDM based transmission method
11/11/2008US7451377 Error-correcting multi-stage code generator and decoder for communication systems having single transmitters or multiple transmitters
11/11/2008US7450674 Method and apparatus for diversity combining and co-channel interference suppression
11/11/2008US7450670 Automatic gain control 16-ary quadrature amplitude modulation subsystem
11/11/2008US7450669 Demodulation apparatus and method, and integrated circuit of demodulation apparatus
11/11/2008US7450668 Soft bit viterbi equalizer using partially collapsed metrics
11/11/2008US7450666 Ask demodulation device and wireless device using the same