| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 04/25/2012 | CN101610234B 无线多载波通信系统的导频传输方法与装置 Guide wireless multi-carrier communication system frequency transmission method and apparatus |
| 04/25/2012 | CN101547180B 一种分布式信道估计方法 A distributed channel estimation method |
| 04/25/2012 | CN101527700B Method and device for receiving reverse access channel RACH signals in orthogonal frequency division multiple access system |
| 04/25/2012 | CN101521649B 可配置变换长度dft的频域补偿方法及装置 Frequency-domain compensation method and apparatus can be configured to transform length dft's |
| 04/25/2012 | CN101499990B 基于多输入多输出的导频发送方法及装置 Based on multi-input multi-output transmission method and apparatus pilot |
| 04/25/2012 | CN101478526B 一种正交频分复用系统及其部分传输序列方法 Orthogonal frequency division multiplexing transmission system and part of the sequence method |
| 04/25/2012 | CN101414850B 一种多进制双正交直扩跳频混合信号的产生与接收方法 A straight-ary bi-orthogonal frequency-hopping spread method of generating and receiving mixed signals |
| 04/25/2012 | CN101399794B 支持多收发系统的参考时钟产生方法及装置 Support multi-transceiver system reference clock generation method and apparatus |
| 04/25/2012 | CN101340264B 通信网络中的上行链路发送功率最佳分配方法和系统 Communication network uplink transmission power allocation method and system for optimum |
| 04/25/2012 | CN101309253B 非相干频率补偿与解调方法和解调装置 Compensation and non-coherent demodulation method and frequency demodulation means |
| 04/25/2012 | CN101304396B 采用相轴检测的低功耗msk非相干数字解调方法和解调器 Phase axis detection using a low-power non-coherent msk digital demodulation method and a demodulator |
| 04/25/2012 | CN101252566B 频域直扩-分数域跳频混合信号的产生和接收方法及装置 Direct Sequence Spread Spectrum Frequency Domain - Method and apparatus for generating and receiving mixed signals fraction Hopping |
| 04/25/2012 | CN101252406B 抗多址干扰的直接序列扩频通信系统 Direct sequence spread spectrum communication system anti-MAI |
| 04/25/2012 | CN101204056B Initial parameter estimation in OFDM systems |
| 04/25/2012 | CN101179358B 空时编码实现方法及装置 Coding Method and apparatus for space-time |
| 04/25/2012 | CN101136618B Tunable ferro-electric filter |
| 04/24/2012 | US8166374 Digital transmission system with enhanced data multiplexing in VSB transmission system |
| 04/24/2012 | US8165615 Cellular network system |
| 04/24/2012 | US8165549 Method for notch filtering a digital signal, and corresponding electronic device |
| 04/24/2012 | US8165473 Optical-time-division-multiplexing differential phase shift keying signal generating apparatus |
| 04/24/2012 | US8165259 Method and device for processing the frequency shift of the carrier frequency of a signal modulated with a quadrature continuous single-carrier modulation |
| 04/24/2012 | US8165252 Signal processing device and method, and program |
| 04/24/2012 | US8165250 Automatic gain control device, signal receiving apparatus, and signal receiving method |
| 04/24/2012 | US8165249 Apparatus and method for estimating and compensating time offset and/or carrier frequency offset in MIMO system based OFDM/OFDMA |
| 04/24/2012 | US8165248 Wireless distance measurement system and wireless terminal |
| 04/24/2012 | US8165246 Training sequence for low latency LMS implementation |
| 04/24/2012 | US8165244 Digital broadcasting system and method of processing data in digital broadcasting system |
| 04/24/2012 | US8165243 Method and system for generating wavelets |
| 04/24/2012 | US8165238 Bi-directional communication system, communication apparatus, and control method of communication apparatus |
| 04/24/2012 | US8165237 DTMB-based carrier mode detection system and receiving system having the same |
| 04/24/2012 | US8165235 Interfering stream identification in wireless communication systems |
| 04/24/2012 | US8165234 Method and system for synchronizing OFDM transmission symbols |
| 04/24/2012 | US8165233 Multi-element antenna beamforming in a wireless access network |
| 04/24/2012 | US8165231 Wireless communications apparatus |
| 04/24/2012 | US8165230 Doppler frequency estimation in wireless communication systems |
| 04/24/2012 | US8165228 Non-coherent transmission method for uplink control signals using a constant amplitude zero-autocorrelation sequence |
| 04/24/2012 | US8165227 Method of keying for broadcast using OFDM |
| 04/24/2012 | US8165189 Dirty paper precoding with known interference structure at receiver |
| 04/24/2012 | US8165187 Periodic calibration for communication channels by drift tracking |
| 04/24/2012 | US8165009 Adaptive scheduling of voice traffic in a multi-carrier communication environment |
| 04/24/2012 | US8165008 High-data-rate communication link using multiple lower rate modems |
| 04/24/2012 | US8164322 Phase-difference-corresponding-value measurement device, gain imbalance measurement device, method, program, and recording medium |
| 04/24/2012 | DE202006021069U1 System für Kanalschätzung in einem Drahtlos-Kommunikationsssystem mit Delay-Diversity System for channel estimation in a wireless Kommunikationsssystem with Delay Diversity |
| 04/24/2012 | CA2621661C Multi-carrier wireless network using flexible fractional frequency reuse |
| 04/24/2012 | CA2612361C Pilot and data transmission in a mimo system applying subband multiplexing |
| 04/19/2012 | WO2012051565A1 Selective coherent and non-coherent demodulation methods and apparatuses |
| 04/19/2012 | WO2012051319A1 Method and apparatus for generating an ofdm symbol |
| 04/19/2012 | WO2012051157A1 Method and apparatus for bandwidth allocation for cognitive radio networks |
| 04/19/2012 | WO2012051151A1 Method and apparatus for dynamic spectrum management |
| 04/19/2012 | WO2012050834A1 Efficient signaling of discontinuous transmission |
| 04/19/2012 | WO2012050526A1 A transmitter module for unidirectional communications and a method using the aforementioned |
| 04/19/2012 | WO2012050372A2 Method of transmitting control information and device for same |
| 04/19/2012 | WO2012050360A2 Method and system of transmitting packet data units of machine type communication devices over a network interface in a long term evolution network |
| 04/19/2012 | WO2012050342A2 Method and device for transmitting control information in a wireless communication system |
| 04/19/2012 | WO2012050340A2 Method for transmitting control information and apparatus for same |
| 04/19/2012 | WO2012050330A2 Method and device for transmitting uplink control information in wireless access system |
| 04/19/2012 | WO2012050329A2 Method and device for transmitting uplink control information when retransmitting uplink data in wireless access system |
| 04/19/2012 | WO2012050020A1 Data processing device, and data processing method |
| 04/19/2012 | WO2012049436A1 Methods for sending and receiving a multicarrier signal, sender, receiver, return signal and computer programs corresponding thereto |
| 04/19/2012 | WO2012048573A1 Method, device and system for modulating complex carriers |
| 04/19/2012 | WO2012048572A1 Complex carrier demodulation method and device |
| 04/19/2012 | WO2012027303A3 Channel-adaptive likelihood determination |
| 04/19/2012 | WO2012027061A3 Methods and systems to resolve cyclic ambiguity of a channel impulse response |
| 04/19/2012 | WO2012026779A3 Method and apparatus for transmitting control information in wireless local area network using multi-channel |
| 04/19/2012 | WO2012024321A3 Methods and systems for csi-rs resource allocation in lte-advance systems |
| 04/19/2012 | WO2011159131A3 Method and system for mapping harq-ack bits |
| 04/19/2012 | WO2011159110A3 Method and device for transmitting acknowledgement in wireless communication system |
| 04/19/2012 | WO2011158230A3 System and methods for null steering in a multicarrier system |
| 04/19/2012 | WO2011145884A3 Method in which a group of terminals receives a downlink control channel, and method in which the terminals make requests for bandwidth in a wireless communication system in which the same stid or c-rnti is allocated to the group of terminals |
| 04/19/2012 | US20120093268 Communications device with adaptive clock frequency |
| 04/19/2012 | US20120093267 Method for Unifying Secondary Synchronization Signal Detection and Frame Timing Synchronization |
| 04/19/2012 | US20120093265 Decoding of Forward Error Correction Codes in the Presence of Phase Noise |
| 04/19/2012 | US20120093264 Tone signal circuit and wireless receiver |
| 04/19/2012 | US20120093263 Method and Apparatus for Interference Suppression using a Reduced-Complexity Joint Detection |
| 04/19/2012 | US20120093262 Method and apparatus of modulating signal in broadcasting and communication system |
| 04/19/2012 | US20120093261 Method and apparatus of transmitting downlink control signal in wireless communication system |
| 04/19/2012 | US20120093258 Method for compensating for frequency attenuation using adaptive cyclic delay diversity, and transmitting apparatus and method and receiving apparatus and method using same |
| 04/19/2012 | US20120093257 Apparatus for generating a set of radio parameters, a transmitter and a receiver |
| 04/19/2012 | US20120093256 Transmit Diversity Scheme |
| 04/19/2012 | US20120093255 Data transmitter and method for forming symbol thereof |
| 04/19/2012 | US20120093254 Transmitter module for unidirectional communications and a method using the aforementioned |
| 04/19/2012 | US20120093252 Symbol Synchronization for Communication |
| 04/19/2012 | US20120093248 Apparatus and method for transmitting data using a plurality of carriers |
| 04/19/2012 | US20120093247 Radio transmission apparatus and radio transmission method |
| 04/19/2012 | US20120093246 Channel Estimation Method |
| 04/19/2012 | US20120093245 System, Methods And Apparatus For Waking An Autonomous Active Implantable Medical Device Communicating By Pulses Transmitted Through The Interstitial Tissues Of The Body |
| 04/19/2012 | US20120093244 Apparatus and methods for compensating for signal imbalance in a receiver |
| 04/19/2012 | US20120093243 Communication device, communication system and communication method |
| 04/19/2012 | US20120093242 Field device with self description |
| 04/19/2012 | US20120093210 Crest factor reduction for a multicarrier-signal with spectrally shaped single-carrier cancelation pulses |
| 04/19/2012 | US20120093208 Selective coherent and non-coherent demodulation methods and apparatuses |
| 04/19/2012 | US20120093203 Data communication method, communication device, and communication system |
| 04/19/2012 | US20120093172 Method for synchronizing seamless rate adaptation |
| 04/19/2012 | US20120093065 Sub-frame structure for use in advanced communication systems |
| 04/19/2012 | US20120093039 Portable computing device having an rf based architecture |
| 04/19/2012 | DE102008010254B4 Empfangsschaltung und Verfahren zum Empfangen eines Signals einer Amplitudenumtastung Receiving circuit and method for receiving a signal of an amplitude shift keying |
| 04/19/2012 | DE102004036880B4 Verfahren und Vorrichtung zum Verringern von Rauschen in einem MCM-Signal Method and apparatus for reducing noise in a MCM signal |
| 04/19/2012 | CA2809039A1 Efficient signaling of discontinuous transmission |
| 04/18/2012 | EP2442617A1 Wireless communication system, base station, mobile station, base station control program, and mobile station control program |
| 04/18/2012 | EP2442513A1 Preambles in OFDMA System |