Patents for H04L 27 - Modulated-carrier systems (89,721) |
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05/06/2004 | WO2004039021A1 Time encoding and decoding of a signal |
05/06/2004 | WO2004039011A2 Mimo wlan system |
05/06/2004 | WO2004038993A1 Method and circuit for generating an auxiliary symbol for adjusting a maq demodulator |
05/06/2004 | WO2004038989A2 Data detection and demodulation for wireless communication systems |
05/06/2004 | WO2004038988A2 Pilots for mimo communication systems |
05/06/2004 | WO2004038987A2 Transmit diversity processing for a multi-antenna communication system |
05/06/2004 | WO2004038986A2 Closed-loop rate control for a multi-channel communication system |
05/06/2004 | WO2004038985A2 Multi-mode terminal in a wireless mimo system with spatial multiplexing |
05/06/2004 | WO2004038984A2 Mimo system with multiple spatial multiplexing modes |
05/06/2004 | WO2004038973A1 Transmitter |
05/06/2004 | WO2004038972A1 Frequency hopping ofdma method using symbols of comb pattern |
05/06/2004 | WO2004038956A1 Diversity reception device and diversity reception method |
05/06/2004 | WO2004038952A2 Channel estimation and spatial processing for tdd mimo systems |
05/06/2004 | WO2004038951A2 Random access for wireless multiple-access communication systems |
05/06/2004 | WO2004038939A1 Method of removing dc offset for a zif-based gsm radio receiver with digital frequency offset correction |
05/06/2004 | WO2004038936A2 Bidirectional turbo isi canceller-based dsss receiver for high-speed wireless lan |
05/06/2004 | WO2004008706A3 Method and device for frame detection and synchronization |
05/06/2004 | WO2003098916A3 High-resolution image projection |
05/06/2004 | US20040088620 Maximum time interval error test signal generating apparatus not affected by low-pass measuring filter |
05/06/2004 | US20040087345 Wireless digital data transmission from a passive transceiver |
05/06/2004 | US20040087324 Channel estimation and spatial processing for TDD MIMO systems |
05/06/2004 | US20040087313 Apparatus, and associated method, for estimating frequency offset using filtered, down-sampled likelihood polynomials |
05/06/2004 | US20040087279 Transmitting and receiving unit |
05/06/2004 | US20040087275 System and method for antenna diversity using joint maximal ratio combining |
05/06/2004 | US20040086070 Circuit sharing for frequency and phase error correction |
05/06/2004 | US20040086066 Coherent and non-coherent data path splitting in receivers for improved synchronization |
05/06/2004 | US20040086059 Bit labeling for amplitude phase shift constellation used with low density parity check (LDPC) codes |
05/06/2004 | US20040086056 Communication system |
05/06/2004 | US20040086055 Pilot-aided channel estimation for OFDM in wireless systems |
05/06/2004 | US20040086054 Method and apparatus for reducing a peak-to-average power ratio in an orthogonal frequency division multiplex signal |
05/06/2004 | US20040086033 Bit processing method for adaptive multirate modulation |
05/06/2004 | US20040086027 Orthogonal superposition coding for direct-sequence communications |
05/06/2004 | US20040085995 System and method for embedding a sub-channel in a block coded data stream |
05/06/2004 | US20040085987 Splitterless multicarrier modem |
05/06/2004 | US20040085939 Channel calibration for a time division duplexed communication system |
05/06/2004 | US20040085937 Code division multiple access communication system and method |
05/06/2004 | US20040085929 Array antenna transceiver and calibrating method of transmission route used for the same |
05/06/2004 | US20040085231 Robust system for transmitting and receiving map data |
05/06/2004 | US20040085148 Phase modulator |
05/06/2004 | EP1416694A1 Optimized synchronization preamble structure for OFDM system |
05/06/2004 | EP1416693A2 Symbol timing recovery in a multicarrier receiver |
05/06/2004 | EP1416692A2 Detection of Doppler shift |
05/06/2004 | EP1416691A1 I/Q imbalance correction in a quadrature transceiver |
05/06/2004 | EP1416689A1 Channel estimation using the guard interval of a multicarrier signal |
05/06/2004 | EP1416688A1 Iterative channel estimation in multicarrier receivers |
05/06/2004 | EP1416661A2 Reception method, reception apparatus and wireless transmission system using adaptive modulation scheme |
05/06/2004 | EP1416659A1 Method and circuit for controlling the peak power of a filtered signal in a single carrier data transmission system |
05/06/2004 | EP1416655A2 Array antenna transceiver and calibrating method of transmission route used for the same |
05/06/2004 | EP1416645A2 Power line coupler modem device for communication over electrical lines |
05/06/2004 | EP1415448A1 System and method for post filtering peak power reduction in multi-carrier communications systems |
05/06/2004 | EP1415428A1 Channel estimation in a multi carrier transmit diversity system |
05/06/2004 | EP1415414A1 Diversity receiver and method therefor |
05/06/2004 | EP1415391A2 Circuit arrangement for the regulation of a direct component of a signal and mobile radio transmitter |
05/06/2004 | EP1415264A1 Non-contact smart card interrogator, wherein across a transmission line from an antenna to a receiver the signal modulation varies between amplitude modulation and phase modulation |
05/06/2004 | EP1032975B1 Method and apparatus for estimating a frequency offset |
05/06/2004 | DE19780625B4 Vorrichtung, Verfahren und Softwaremodem zur Nutzung der Gruppenlaufzeitverzögerungscharakteristiken zur Bestimmung einer Zeichengeschwindigkeit und/oder Zeichenhäufigkeit und einer Trägerfrequenz zum Datentransfer The device, method, and software modem for using the group delay characteristics to determine a symbol rate and / or character frequency and a carrier frequency for data transfer |
05/06/2004 | DE10248471A1 Transformer circuit for communication system such as xDSL has two transformers connected together to create circuit with band-pass characteristic |
05/06/2004 | DE10248223A1 Transceiver for data transmission using amplitude modulation-demodulation, has transmitter output or receiver input selectively connected to hf signal terminal |
05/06/2004 | CA2810036A1 Random access for wireless multiple-access communication systems |
05/06/2004 | CA2756741A1 Ofdm communication system with multiple ofdm symbol sizes |
05/06/2004 | CA2756728A1 Ofdm communication system with multiple ofdm symbol sizes |
05/06/2004 | CA2753403A1 Channel estimation and spatial processing for tdd mimo systems |
05/06/2004 | CA2753327A1 Channel estimation and spatial processing for tdd mimo systems |
05/06/2004 | CA2751604A1 Pilots for mimo communication systems |
05/06/2004 | CA2502814A1 Bidirectional turbo isi canceller-based dsss receiver for high-speed wireless lan |
05/06/2004 | CA2502804A1 Channel estimation and spatial processing for tdd mimo systems |
05/06/2004 | CA2502801A1 Correction for differences between downlink and uplink channel responses |
05/06/2004 | CA2502790A1 Method of removing dc offset for a zif-based gsm radio receiver with digital frequency offset correction |
05/06/2004 | CA2501634A1 Pilots for mimo communication systems |
05/06/2004 | CA2501458A1 Ofdm communication system with multiple ofdm symbol sizes |
05/06/2004 | CA2501398A1 Random access for wireless multiple-access communication systems |
05/06/2004 | CA2501285A1 Multi-mode terminal in a wireless mimo system with spatial multiplexing |
05/06/2004 | CA2500355A1 Mimo wlan system |
05/06/2004 | CA2500164A1 Closed-loop rate control for a multi-channel communication system |
05/06/2004 | CA2470680A1 Apparatus and method for generating a preamble sequence in an ofdm communication system |
05/05/2004 | CN1494794A Frequency searcher and frequency-locked data demodulator using programmable rotor |
05/05/2004 | CN1494793A Synchronous parallel acoustic transmission in transtelephonc medical monitors |
05/05/2004 | CN1494287A Channel equalizer of single carrier wave receiver and its equalizing method |
05/05/2004 | CN1494286A Self Adaptive equalizer for improving error signal production |
05/05/2004 | CN1494285A Self adaptive equalizer |
05/05/2004 | CN1494284A Information modulation and demodulation method of high frequency band utilization rate |
05/05/2004 | CN1494245A Signal receiver used for selecting transmission channel treatment and antenna diversity |
05/05/2004 | CN1494244A Method of proceeding OFDM rapid synchronization using Barke code and training sequence |
05/05/2004 | CN1494243A Turbo method used for OFDM frequency synchronization |
05/05/2004 | CN1494242A New OFDM time, frequency synchronization method |
05/05/2004 | CN1148989C Apparatus and method for modulating data information using orthogonal variable extended system digit code |
05/05/2004 | CN1148986C Apparatus and method for generating pilot beacon signal in base station of code division multiple access system |
05/05/2004 | CN1148968C Digital type modulation signal receiver |
05/05/2004 | CN1148925C Dynamic temp compensation and stage selection method in pilot signal and pilot frequency searching apparatus |
05/05/2004 | CN1148924C Modulator and modulation method |
05/05/2004 | CN1148922C Optimization of cannel equalizer |
05/05/2004 | CN1148908C Frequency discrimination method and device for automatic frequency controller in diversity mode |
05/05/2004 | CN1148907C 8PSX digital modulation method suitable for EDGE system |
05/05/2004 | CN1148906C Transmitter in expansion spectrum communication system and its method |
05/05/2004 | CN1148903C Orthogonal frequency-division multiplex communication apparatus and method |
05/05/2004 | CN1148886C Apparatus and method of determining symbol rate and carrier frequency |
05/05/2004 | CN1148880C Channel encoding/decoding apparatus and method for communication system |
05/05/2004 | CN1148875C AFC device and method for controlling reception frequency in a dual-mode terminal |
05/05/2004 | CN1148873C Method for controlling communication system, single chip RF communication system and RF communication system |
05/05/2004 | CN1148871C LNB drift search system for DBS products |