Patents for H04L 27 - Modulated-carrier systems (89,721)
02/2012
02/08/2012CN101473548B 无线通信系统和无线通信装置 The wireless communication system and the wireless communication device
02/08/2012CN101453221B 基于比特交织编码调制系统的映射器及其映射方法 Bit-interleaved coded modulation systems and mapping method based mapper
02/08/2012CN101309221B 大带宽下控制信道前后向兼容的方法和装置 Before and after the control channel to a method and apparatus compatible with large bandwidth
02/08/2012CN101283531B 用于增益平整wdm信号的光学元件和包括该元件的光学放大器 An optical element for signal and the gain-flattening wdm that includes an optical amplifier element
02/08/2012CN101273552B 估计多普勒最大频率的方法及模块,包含该模块的接收机 The maximum Doppler frequency estimation methods and modules, the receiver module comprising
02/08/2012CN101252570B 一种多载波接收机及其信号处理方法 A multi-carrier receiver and signal processing method
02/08/2012CN101242387B 保护区间设定方法和正交频分复用通信装置 The guard interval setting method and an orthogonal frequency division multiplexing communication apparatus
02/08/2012CN101197800B 信息处理设备以及信息处理方法 The information processing apparatus and an information processing method
02/08/2012CN101155169B 数字解调装置、数字接收机、该装置的控制方法 Control method for a digital demodulation apparatus, the digital receiver, the apparatus
02/08/2012CN101079861B 正交分频多任务的多输入多输出系统循环传输方法 Multi-input multi-output system loop transmission method of orthogonal frequency division multiple tasks
02/07/2012US8111799 Method, system and apparatus for reducing power consumption at low to midrange resolution settings
02/07/2012US8111788 Apparatus for estimating and correcting baseband frequency error in a receiver
02/07/2012US8111787 OFDM channel estimation method and apparatus
02/07/2012US8111786 Signal converters
02/07/2012US8111783 Capturing and using radio events
02/07/2012US8111782 Apparatus and method for transmitting/receiving data in a multi-antenna system, and system using the same
02/07/2012US8111781 Radio frequency identification (RFID) interrogators
02/07/2012US8111780 Codebook generating method and apparatus for generating a codebook for multi-polarized multiple-input multiple-output (MIMO) systems
02/07/2012US8111779 Data transmission in wireless communication system
02/07/2012US8111777 Method, apparatus and system for high-speed transmission on fiber optic channel
02/07/2012US8111776 Pulse insertion systems and methods for polar modulation
02/07/2012US8111766 Radio parameter group generating apparatus, transmitter and receiver
02/07/2012US8111765 Communication apparatus, communication method, and integrated circuit
02/07/2012US8111764 Method for transmitting channel quality information
02/07/2012US8111763 Methods and systems for OFDM using code division multiplexing
02/07/2012US8111762 Radio transmission apparatus, radio reception apparatus, radio transmission method, and radio reception method
02/07/2012US8111761 Method and apparatus for transmitting data and power across a transformer
02/07/2012US8111740 Time-domain equalizer
02/07/2012US8111672 Method for data communication between a base station and a transponder
02/07/2012US8111660 Method and transmitter for transmitting data in a multi-carrier system via a number of transmitting antennas
02/07/2012US8111647 System and method for wireless communication of uncompressed video having a dual-beacon mechanism for two device types
02/07/2012US8111646 Communication system for dynamically combining power from a plurality of propagation channels in order to improve power levels of transmitted signals without affecting receiver and propagation segments
02/07/2012US8111607 Frequency division multiplexing system with selectable rate
02/07/2012CA2431844C Ofdma with adaptive subcarrier-cluster configuration and selective loading
02/07/2012CA2427425C Method and arrangement for providing optimal bit protection against transmission errors
02/02/2012WO2012015611A1 Power loading in mu-mimo
02/02/2012WO2012015252A2 Method and device for sending and receiving precoded signals on a wireless communication system
02/02/2012WO2012015218A2 Method and device for transmitting sounding reference signal and extended uplink control information in wireless communication system
02/02/2012WO2012015217A2 Method and device for transmitting control information
02/02/2012WO2012015212A2 Method and apparatus for transmitting uplink control information in a wireless communication system
02/02/2012WO2012014394A1 Receiver apparatus and reception method
02/02/2012WO2012014160A1 Apparatus and method for cubic metric estimator in dual-carrier and multi-carrier wireless communication system
02/02/2012WO2012014098A1 Method and apparatus for multi-stream received signal processing in a communication receiver
02/02/2012WO2012013679A1 Test signal in receiver
02/02/2012WO2012013526A1 Optimisation of mimo receiver with iterative detection and decoding based on exit chart
02/02/2012WO2012013218A1 Method for predistortion in a communication system
02/02/2012WO2012013092A1 Signal processing method and device for long term evolution (lte) base station side
02/02/2012WO2012013032A1 Method and apparatus for estimating fine frequency offset
02/02/2012WO2011155741A3 Broadcast signal transmitting apparatus, broadcast signal receiving apparatus, and method for transceiving a broadcast signal in a broadcast signal transceiving apparatus
02/02/2012WO2011139064A3 Method and apparatus for transmitting a reference signal in a wireless communication system
02/02/2012WO2011136579A3 Method and apparatus for transmitting extended uplink acknowledgement information in a wireless communication system
02/02/2012WO2011129650A3 Method and device for receiving downlink signal
02/02/2012US20120028638 Radio communication devices, information providers, methods for controlling a radio communication device and methods for controlling an information provider
02/02/2012US20120027419 Frame/symbol synchronization in coherent optical ofdm
02/02/2012US20120027418 Equalizer for an Optical Transmission System
02/02/2012US20120027140 System and method for channel estimation
02/02/2012US20120027136 System access and synchronization methods for mimo ofdm communications systems and physical layer packet and preamble design
02/02/2012US20120027135 System and method for synchronization tracking in an in-band modem
02/02/2012US20120027134 Receiving encoded data slices via wireless communication
02/02/2012US20120027133 Demodulation of data collected prior to bit edge detection
02/02/2012US20120027132 Gfsk receiver architecture and methodology
02/02/2012US20120027131 Blind Carrier/Timing Recovery and Detection of Modulation Scheme
02/02/2012US20120027130 Interference-weighted communication signal processing systems and methods
02/02/2012US20120027129 Demodulation circuit, digital microwave system and demodulation method
02/02/2012US20120027128 Phase Aligned Sampling of Multiple Data Channels Using a Successive Approximation Register Converter
02/02/2012US20120027127 Amplifier
02/02/2012US20120027126 Apparatus and method for constellation rearrangement in broadband wireless access system
02/02/2012US20120027124 Base station, communication system including base station and transmission method
02/02/2012US20120027123 Method for transmitting and receiving data in wireless communication system
02/02/2012US20120027122 Apparatus and method for encoding a signal
02/02/2012US20120027121 Modular Frequency Divider and Mixer Configuration
02/02/2012US20120027120 Method and apparatus for transmitting reference signal in wireless communication system
02/02/2012US20120027119 Mixed mode modulation for OFDM
02/02/2012US20120027117 Link layer multicasting systems and methods
02/02/2012US20120027113 Structured mimo codebook
02/02/2012US20120027110 Method and apparatus for transmitting positioning reference signal in wireless communication system
02/02/2012US20120027109 Process and receiver for interference cancellation of interfering base stations in a synchronized ofdm system
02/02/2012US20120027108 Method and apparatus for coordinated multi-point communication for each sub-band based on long-term channel state information
02/02/2012US20120027107 Communication device and communication method in data transmission system
02/02/2012US20120027106 Beamforming systems and methods for link layer multicasting
02/02/2012US20120027105 Channel estimator
02/02/2012US20120027074 Summer Block For A Decision Feedback Equalizer
02/02/2012US20120027072 Variable Modulus Mechanism for Performing Equalization Without A Priori Knowledge of Modulation Type or Constellation Order
02/02/2012US20120027071 Receiver and method for equalizing received signal
02/02/2012US20120027070 System and method for iterative nonlinear compensation for intermodulation distortion in multicarrier communication systems
02/02/2012US20120027055 Satellite On-Board RFI Detection
02/02/2012US20120027054 Method and apparatus for enabling signal processing in a multiple antenna repeater
02/02/2012US20120027053 Method and apparatus for reducing multi-user processing in wireless communication systems
02/02/2012US20120027006 System and method for joint voice and data transmission
02/02/2012US20120027005 Spatial Pre-Coding for Transmitting Data Within a Mobile Telecommunication Network
02/02/2012US20120026991 Feedback scheme for mu-mimo
02/02/2012US20120026862 Variable bandwidth ofdm receiver and methods for receiving ofdm signals of different bandwidths
02/02/2012US20120026039 Single rf receiver chain architecture for gps, galileo and glonass navigation systems, and other circuits, systems and processes
02/02/2012US20120025949 Concurrent Infrared Signal, Single Thread Low Power Protocol and System for Pet Control
02/01/2012EP2413598A1 Method for estimating inter-channel delay and apparatus and encoder thereof
02/01/2012EP2413557A1 Test signal in an OFDM receiver
02/01/2012EP2413556A1 Data transmitting processing method and apparatus, data receiving processing method and apparatus
02/01/2012EP2413555A2 Apparatus and method for cross phase modulation recovery
02/01/2012EP2413553A1 Method, device and system for correcting microwave signal
02/01/2012EP2413516A2 Method and apparatus for transmitting reference signal in multi-antenna system