Patents for H04L 27 - Modulated-carrier systems (89,721)
01/2013
01/23/2013CN102891815A Estimation method for low-complexity channel in time division duplex (TDD) multi-base station cooperative system
01/23/2013CN102891814A Method for implementing channel multi-path detection based on P1 sign
01/23/2013CN102891727A Processing method and system for physical control format indicator channel
01/23/2013CN101977169B Time domain parameter blind evaluation method of OFDM (Orthogonal Frequency Division Multiplexing) signals
01/23/2013CN101945060B Channel estimation method based on pilot frequency signal in 3GPP LTE downlink system
01/23/2013CN101933233B Oscillation frequency control circuit, and DC-DC converter and semiconductor device having the same
01/23/2013CN101917373B Method for realizing high-efficiency amplification based on signal decomposition and amplification device
01/23/2013CN101917264B Synchronisation in multicarrier CDMA systems
01/23/2013CN101917186B Calibration techniques for frequency synthesizers
01/23/2013CN101809885B Method and apparatus of improved circular buffer rate matching for turbo-coded mimo-ofdm wireless systems
01/23/2013CN101808054B Implementation method and device for channel estimation
01/23/2013CN101803247B Pmd insensitive direct-detection optical OFDM systems using self-polarization diversity
01/23/2013CN101778066B Physical layer preamble optimization-based synchronization method and system
01/23/2013CN101753511B Signal generation device and method
01/23/2013CN101729476B Channel estimator and channel estimating method
01/23/2013CN101729469B Multi-rate processing system
01/23/2013CN101719881B Estimation method and device of noise power as well as communication system
01/23/2013CN101702785B Multi-wavelength passive optical network system, wavelength reusing method and optical network unit
01/23/2013CN101641921B Transmitter and ssb signal generation method
01/23/2013CN101636996B Radio transmission device and radio reception device
01/23/2013CN101594337B Device for generating pre-distorted signals
01/23/2013CN101577576B TD-SCDMA terminal initial downlink synchronization method
01/23/2013CN101569151B OFDM transmitting and receiving systems and methods thereof
01/23/2013CN101515804B Method and system for generating low density parity check codes
01/23/2013CN101505178B Envelop detection apparatus and method thereof
01/23/2013CN101483450B Method for adaptively resisting inter-carrier interference in CS-CDMA system and CS-CDMA transmission device and receiving device
01/23/2013CN101467417B Encoding information in beacon signals
01/23/2013CN101433044B Method that is simultaneous over time and in terms of frequency for transmitting multiple data communications via OFDM modulations
01/23/2013CN101388874B OFDM signal broadcasting system and portable terminal
01/23/2013CN101375567B Channel estimation method using recursive filtering and multi-carrier receiver with interference perception demodulation
01/23/2013CN101299735B Method and system for estimating carrier frequency migration
01/23/2013CN101262255B Sequence allocation and processing method and device for communication system
01/23/2013CN101243668B Resource allocation in cellular communication systems
01/23/2013CN101171778B Transmitting device and transmitting method
01/23/2013CN101107792B Wireless apparatus
01/23/2013CN101106422B Terminal synchronization method and device for TD-SCDMA system repeater
01/23/2013CN101001234B Method for sending signal by orthogonal frequency division multiplex system and method of cell search
01/22/2013USRE43938 Device and method for compensating for phase distortion in base station of OFDMA-based cellular system
01/22/2013US8358939 Optical communication device
01/22/2013US8358723 Self-configurable radio receiver system and method for use with signals without prior knowledge of signal defining characteristics
01/22/2013US8358722 Signal processing apparatus, signal processing method, and reception system
01/22/2013US8358721 Mobile communication system and wireless device
01/22/2013US8358720 Communication device and transmission calibration weight calculation method
01/22/2013US8358719 Method and device for the compensation of signal errors in IQ-modulators
01/22/2013US8358718 Apparatus and method for determining optimum integer perturbation vector of low complexity in multiple antenna system
01/22/2013US8358717 Device and method for binary phase shift key demodulator using phase shifter
01/22/2013US8358712 Apparatus and method for transmitting/receiving reference signal in a communication system
01/22/2013US8358711 Circuit arrangement for reducing a crest factor, and method for reducing a signal dynamic range
01/22/2013US8358710 OFDM receiver, interference wave discernment method, window control apparatus and window control method
01/22/2013US8358709 Method and apparatus for transmitting and receiving convolutionally coded data
01/22/2013US8358685 Iterative detection and decoding in multiple antenna communication systems
01/22/2013US8358680 Reducing power levels associated with two or more signals using peak reduction distortion that is derived from a combined signal
01/22/2013US8358588 Interference-cognitive transmission
01/22/2013CA2689432C Control channel format indicator frequency mapping
01/22/2013CA2662598C A method of transmitting using phase shift-based precoding and an apparatus for implementing the same in a wireless communication system
01/22/2013CA2650462C Method of generating pilot pattern for adaptive channel estimation in ofdma systems, method of transmitting/receiving using the pilot pattern and apparatus thereof
01/22/2013CA2531384C Handling broadcast and multicast traffic as unicast traffic in a wireless network
01/17/2013WO2013009522A1 Selection of window length based on multiple metrics
01/17/2013WO2013009173A1 A telemetry system, a pipe and a method of transmitting information
01/17/2013WO2013009154A2 Method for transmitting control information and apparatus for same
01/17/2013WO2013009110A2 Method of user equipment monitoring control information in a multiple node system and user equipment using the method
01/17/2013WO2013009089A2 Method for transmitting or receiving pdcch and user equipment or base station for the method
01/17/2013WO2013007613A1 Method and module for estimating frequency bias in a digital-telecommunications system
01/17/2013WO2013007300A1 Signal predistortion for non-linear amplifier
01/17/2013WO2013007275A2 Method, receiver, transmitter and communication system for phase error compensation
01/17/2013WO2013007182A1 Method and apparatus for configuring multiple carriers
01/17/2013WO2012150808A3 Method and device for transmitting uplink control information having large payload in wireless access system
01/17/2013US20130016800 Method and apparatus for precise open loop tuning of reference frequency within a wireless device
01/17/2013US20130016799 Detection of Radio Signals in a Receiver
01/17/2013US20130016798 Adaptive digital receiver
01/17/2013US20130016797 Method and apparatus for updating symbol recovery parameters and correcting symbol timing misalignment
01/17/2013US20130016796 Signal modulator and signal modulating method
01/17/2013US20130016795 Transmission device
01/17/2013US20130016794 Transmitter including calibration of an in-phase/quadrature (i/q) modulator and associated methods
01/17/2013US20130016793 Systems and methods for increasing communications bandwidth using non-orthogonal polarizations
01/17/2013US20130016765 Selection of window length based on multiple metrics
01/17/2013US20130016693 Scattered pilot pattern and channel estimation method for mimo-ofdm systems
01/17/2013US20130016678 Signaling method in an ofdm multiple access system
01/16/2013EP2547059A1 Transmitter including calibration of an in-phase/Quadrature (I/Q) modulator and associated methods
01/16/2013EP2547058A2 Method and apparatus for transmitting uplink control information in a wireless communication system
01/16/2013EP2547057A1 A method for demodulating the HT-SIG field used in WLAN standard
01/16/2013EP2547022A1 Method and apparatus for determining channel state information
01/16/2013EP2547009A1 Method and device for stations to share and determine cell identity of stations during cooperative communication
01/16/2013EP2547006A1 Radio Communicatino Apparatus and Radio Communication Method
01/16/2013EP2547005A1 Radio Communication Apparatus and Radio Communication Method
01/16/2013EP2545691A1 Frequency-dependent iq imbalance estimation
01/16/2013EP2545690A1 Processing resource optimization in communication systems
01/16/2013EP2545689A1 Method and apparatus for estimating a doppler frequency
01/16/2013EP2545688A1 Method and apparatus for efficient soft modulation for gray-mapped qam symbols
01/16/2013EP2545671A1 System and method for pilot tone assisted selected mapping
01/16/2013EP2545670A1 Methods and apparatuses for multiple access in a wireless communication network using dct-ofdm
01/16/2013EP2545651A1 Ofdm with bit loading and frequency interleaving of variable depth
01/16/2013CN1937604B Initial access frame synchronizing method and device for orthogonal frequency division multiplexing system
01/16/2013CN1902849B Apparatus and method for transmitting or receiving data
01/16/2013CN102884771A Cyclic prefix for non-contiguous signal transmission
01/16/2013CN102884770A Method and device of transmitting control information in a wireless communication system
01/16/2013CN102884750A Radio base station and user equipment and methods therein
01/16/2013CN102884730A Method for performing channel interleaving in a multi-antenna wireless communication system, and apparatus for same
01/16/2013CN102882827A Time frequency double-expansion OFDM (Orthogonal Frequency Division Multiplexing) system resource distributing and receiving method
01/16/2013CN102882826A Method and device for computing correlation peak values