| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 09/17/2009 | US20090231169 Method and Apparatus for Low Complexity Combinatorial Coding of Signals |
| 09/17/2009 | US20090231028 Two-stage low-complexity max-log bit-level llr calculator and method |
| 09/17/2009 | DE112004000516B4 Vorrichtung zur Orthogonalmodulation, Verfahren, Programm, Aufzeichnungsmedium und Modulationsvorrichtung Apparatus for orthogonal modulation, method, program, recording medium and modulation device |
| 09/17/2009 | DE102008013468A1 Adjustable filtering circuit for use in radio frequency identification reader device, has band-stop filter arranged in downstream side of one of the mixing stages, for suppressing carrier signal in intermediate frequency signal |
| 09/16/2009 | EP2101536A2 Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system |
| 09/16/2009 | EP2101465A2 Multicarrier reception |
| 09/16/2009 | EP2101464A2 Preamble structures for wireless communications systems |
| 09/16/2009 | EP2101463A2 Signal acquisition for wireless communication systems |
| 09/16/2009 | EP2101462A2 Peak suppressing apparatus, wireless transmitting apparatus, and window function generating apparatus |
| 09/16/2009 | EP2101461A1 Method and arrangement for impact mitigation of sudden carrier frequency shifts in ofdm receiver. |
| 09/16/2009 | EP2101460A2 Scheduling in multi-cell multi-carrier wireless systems |
| 09/16/2009 | EP2101459A1 Method and apparatus for investigating whether a given signal is received in a given set of OFDMA resource elements |
| 09/16/2009 | EP2101458A1 Zero-crossing detector for receiver |
| 09/16/2009 | EP2101457A1 Demodulator with post-processing circuit for BER improvement |
| 09/16/2009 | EP2101456A1 Linear combiner |
| 09/16/2009 | EP2101440A2 Apparatus and method for digital wireless communications |
| 09/16/2009 | EP2101437A2 Slot-level remapping of PUCCHs |
| 09/16/2009 | EP2101435A2 Method and apparatus for combining space-frequency block coding, spatial multiplexing and beamforming in a MIMO-OFDM system |
| 09/16/2009 | EP2101434A1 A method, system and device for retransmitting data |
| 09/16/2009 | EP2101431A2 Method for encoding control information in a wireless communication system, as well as method and apparatus for transmitting and receiving the control information |
| 09/16/2009 | EP2101430A2 Method for encoding control information in a wireless communication system, as well as method and apparatus for transmitting and receiving the control information |
| 09/16/2009 | EP2101428A2 Demodulation device, diversity reception device and demodulation method |
| 09/16/2009 | EP2100450A1 Apparatus and method for digital multimedia broadcasting service |
| 09/16/2009 | EP2100423A2 Pilot design for improved channel and interference estimation |
| 09/16/2009 | EP2100422A2 Methods and apparatus for signal and timing detection in wireless communication systems |
| 09/16/2009 | EP2100421A1 Apparatus and method for producing a signal to reduce the par in a multicarrier system |
| 09/16/2009 | EP2100420A1 Robust and low-complexity combined signal power estimation for ofdm |
| 09/16/2009 | EP2100402A2 Apparatus, methods and computer program products providing limited use of zadoff-chu sequences in pilot or preamble signals |
| 09/16/2009 | EP2100396A1 Apparatus and method for determining and representing a synchronization status |
| 09/16/2009 | EP2100392A1 Method for receiving common channel in wireless communication and terminal thereof |
| 09/16/2009 | EP2100385A2 Layer mapping method and data transmission metho for mimo system |
| 09/16/2009 | EP1491068B1 Method for dynamic determination of time constants, method for level detection, method for compressing an electric audio signal and hearing aid, wherein the method for compression is used |
| 09/16/2009 | EP1387543B1 Reduction of PAPR in multicarrier signals |
| 09/16/2009 | EP1260074B1 Coding method and use of a receiver with a convolutional decoder |
| 09/16/2009 | CN201312332Y Digital signal remote transmission module based on MSK modulating mode |
| 09/16/2009 | CN101536449A Cell search based on beacon in a wireless communication system |
| 09/16/2009 | CN101536448A Methods and apparatus for signal and timing detection in wireless communication systems |
| 09/16/2009 | CN101536447A Method and apparatus for transmitting uplink signal, and method and apparatus for generating uplink signal in communication system |
| 09/16/2009 | CN101536446A Sub-carrier activation and deactivation for reducing PAPR |
| 09/16/2009 | CN101536445A Method of transmitting data in a mobile communicaiton system |
| 09/16/2009 | CN101536444A Scrambled multicarrier transmission |
| 09/16/2009 | CN101536443A Receiver for use in wireless communications and method of operation of the receiver |
| 09/16/2009 | CN101536386A Wireless communication system and wireless terminal device |
| 09/16/2009 | CN101534559A Resource allocator and resource allocation method |
| 09/16/2009 | CN101534539A Method and device for quickly searching cells |
| 09/16/2009 | CN101534287A Method and device for correcting carrier frequency offset in mobile communication system |
| 09/16/2009 | CN101534286A Digital radio communication system and digital radio communication mode |
| 09/16/2009 | CN101534285A A sending method for reference signals |
| 09/16/2009 | CN101534284A Modulating device and method, demodulating device and method, program, and recording medium |
| 09/16/2009 | CN101534283A Demodulating circuit, demodulating method, program, and receiving device |
| 09/16/2009 | CN101534282A Low-complexity OFDM signal limitation companding method |
| 09/16/2009 | CN101534281A Diversity channel estimate method for OFDM systems based on comb-type pilot frequency |
| 09/16/2009 | CN101534280A Timing synchronous receiving method and device thereof |
| 09/16/2009 | CN101534279A Direct sequence spread spectrum cascade connection frequency domain Orthogonal Frequency Division Multiplexing transmitting and receiving device, method and system |
| 09/16/2009 | CN101534278A Time-frequency expansion Orthogonal Frequency Division Multiplexing transmitting and receiving device, method and system |
| 09/16/2009 | CN101534277A Fast bit allocation method suitable for multicarrier system |
| 09/16/2009 | CN101534276A Enhanced method for demodulating constant-amplitude multi-code biorthogonal modulation signals |
| 09/16/2009 | CN101534275A Mimo OFDM system |
| 09/16/2009 | CN101534274A Method for reducing peak-to-average power ratio in mobile communication system and device thereof |
| 09/16/2009 | CN101534273A Method, device and system for optimizing transmission speed in DSL system |
| 09/16/2009 | CN101534272A Method and device for re-arranging carrier wave in Orthogonal Frequency Division Multiplexing (OFDM) system |
| 09/16/2009 | CN101534271A Method for supporting high-speed mobility in wireless communication system |
| 09/16/2009 | CN101534270A Carrier frequency offset estimation and tracking method based on signal channel estimation |
| 09/16/2009 | CN101534269A Underwater sound communication system |
| 09/16/2009 | CN101534267A Pre-coding method and pre-coding device |
| 09/16/2009 | CN101534266A Channel estimation method for Orthogonal Frequency Division Multiplexing system and device thereof |
| 09/16/2009 | CN101534265A Mapping method for special downlink pilot frequency and physical resource block |
| 09/16/2009 | CN101534235A Multi-carrier access method, system and equipment |
| 09/16/2009 | CN101534176A Self-adaptive antenna mode control method and device thereof |
| 09/16/2009 | CN101534162A Method and system for measuring noise coefficient |
| 09/16/2009 | CN101534160A Wireless channel parameter measurement device and method thereof |
| 09/16/2009 | CN101534159A Method and device for measuring vector amplitude error for TD-SCDMA equipment testing |
| 09/16/2009 | CN101534146A Data relaying apparatus, communication apparatus, and data relaying method |
| 09/16/2009 | CN101534144A Transmitter and transmitting method thereof |
| 09/16/2009 | CN101534139A Four-in-one digital community network system |
| 09/16/2009 | CN101534138A Method for bit-loading, device for bit-loading and data transmission system |
| 09/16/2009 | CN101534137A Device and method for demodulating control signals |
| 09/16/2009 | CN100542324C Dynamic channel allocation and spatial feature extraction and wave beam forming method |
| 09/16/2009 | CN100542160C Method and device for downlink frame synchronization |
| 09/16/2009 | CN100542159C Method and apparatus for pilot frequency distribution in wireless communication system |
| 09/16/2009 | CN100542158C Apparatus and method for estimating interference and noise in a communication system |
| 09/16/2009 | CN100542157C Symbol interleaving |
| 09/16/2009 | CN100542156C PLL circuit, demodulator circuit, IC card, and IC card processing apparatus |
| 09/16/2009 | CN100542155C DPSK demodulator and demodulating method |
| 09/16/2009 | CN100542154C Direct conversion receiver for calibrating phase and gain mismatch |
| 09/16/2009 | CN100542153C Modulation and demodulation system, modulator, demodulator and phase modulation method and phase demodulation method used therefor |
| 09/16/2009 | CN100542152C Revolving adjustable stepping equalizer and preparing method |
| 09/16/2009 | CN100542151C Data transmission system for vehicle |
| 09/16/2009 | CN100542150C Carrier releaser of DTV receiver |
| 09/16/2009 | CN100542149C Null-Pilot Symbol assisted fast automatic frequency control system and method for extracting frequency deviation information |
| 09/16/2009 | CN100542148C Method and apparatus for a multiple modulation transmitter |
| 09/16/2009 | CN100542056C Transmitter circuit and method for realizing dynamic range |
| 09/16/2009 | CN100542055C Transmission circuit, wireless communication apparatus and timing adjustment method for transmission circuit |
| 09/15/2009 | US7590429 RF transceiver configuring for a MIMO communication |
| 09/15/2009 | US7590391 Digital intermediate frequency transmitter for wireless communication |
| 09/15/2009 | US7590206 Equalization apparatus and equalization method |
| 09/15/2009 | US7590199 Hybrid frequency offset estimator |
| 09/15/2009 | US7590197 Correction circuit for improving performance in a channel decoder |
| 09/15/2009 | US7590196 Chiral mixture detection system using double reference lock-in detector |
| 09/15/2009 | US7590195 Reduced-complexity multiple-input multiple-output (MIMO) channel detection via sequential Monte Carlo |