Patents for H04L 27 - Modulated-carrier systems (89,721) |
---|
12/13/2006 | EP1732258A1 Device and method for judging communication quality and program used for the judgment |
12/13/2006 | EP1730916A1 System and method for power control in wireless communiction systems |
12/13/2006 | EP1730915A1 A method of and an apparatus for effecting a smooth transition between adjacent symbol bursts transmitted in different modulation formats |
12/13/2006 | EP1730914A1 Methods and apparatus for generating and processing wideband signals having reduced discrete power spectral density components |
12/13/2006 | EP1730874A1 System and method for transmission and reception of qam signals at low signal to noise ratio |
12/13/2006 | EP1730873A1 Methods and apparatus for flexible spectrum allocation in communication systems |
12/13/2006 | EP1730867A2 SYSTEM AND METHOD FOR ENHANCING NEAR VERTICAL INCIDENCE SKYWAVE ("NVIS”) COMMUNICATION USING SPACE-TIME CODING |
12/13/2006 | EP1730864A1 Wireless comunication methods, systems, and signal structures |
12/13/2006 | EP1730863A1 Adaptive scheduling of voice traffic in a multi-carrier communication environment |
12/13/2006 | EP1344341B1 Encoded qam |
12/13/2006 | EP1311095B1 Method for spread-spectrum digital communication by golay complementary sequence modulation |
12/13/2006 | CN1879426A Methods and apparatus for multi-carrier, multi-cell wireless communication networks |
12/13/2006 | CN1879377A Frequency shifting of WCDMA carriers for variable carrier separation |
12/13/2006 | CN1879376A Method for the reconstruction of zero crossing information of noisy angle-modulated signals following limiter-discriminator signal processing |
12/13/2006 | CN1879375A Modulating apparatus, mobile communication system, modulating method, and communication method |
12/13/2006 | CN1879374A Repetition coding for a wireless system |
12/13/2006 | CN1879373A Apparatus for determining a frequency offset error and receiver based thereon |
12/13/2006 | CN1879337A Receiving apparatus |
12/13/2006 | CN1879321A Downlink signal configuring method and device in mobile communication system, and synchronization and cell searching method and device using the same |
12/13/2006 | CN1879304A Phase-locked loop bandwidth calibration circuit and method thereof |
12/13/2006 | CN1878386A Cell recognition method for OFDMA cellular system |
12/13/2006 | CN1878163A Multi-service transmission platform equipment managing system |
12/13/2006 | CN1878159A A method for transmitting symbols through at least a channel in a telecommunication system |
12/13/2006 | CN1878158A Cell recognition method for OFDMA cellular system |
12/13/2006 | CN1878157A Method for realizing OFDM system synchronization using circulating prefix |
12/13/2006 | CN1878156A Communication method applying special coherent modulation/demodulation carrier signal |
12/13/2006 | CN1878155A Amplitude adjusting system for full-duplex multi-level pulse wave and blind activation receiver |
12/13/2006 | CN1878154A Single carrier transmitter with field inserted field synchronizing information and method thereof |
12/13/2006 | CN1878153A Feedback equalizer for a communications receiver |
12/13/2006 | CN1878085A State detection method based on main and backup Ethernet interface |
12/13/2006 | CN1878053A Multiplexing method for time-frequency resource in radio communication system |
12/13/2006 | CN1878028A Carrier track loop adaptive for digital television terrestrial broadcasting |
12/13/2006 | CN1290361C Two-stage up-conversion modulator |
12/13/2006 | CN1290348C Wireless receiving apparatus, method capable of switching modulation mode |
12/13/2006 | CN1290299C Method and apparatus for decision directed demodulation using antenna arrays and spatial processing |
12/13/2006 | CN1290298C Transmitter and receiver for orthogonal frequency division multiplexing signal |
12/13/2006 | CN1290285C Communication blocking device and communication blocking method |
12/13/2006 | CN1290281C Apparatus and method for coding/decoding of STTD in OFDM mobile communication system |
12/13/2006 | CN1290280C Method of self eliminating interference between self adaptive carriers and receiving and transmitting machine |
12/13/2006 | CN1290279C Improved PTS method |
12/13/2006 | CN1290276C Method and appts. for achieving 180 degree phase invariant transmission in PCM modem system |
12/13/2006 | CN1290268C Transmission circuit of a radio-frequency signal |
12/13/2006 | CN1290254C Process and device for detecting and processing signal waves |
12/13/2006 | CN1290037C OFDM modulation with reduced DFT (discrete Fourier transform) |
12/12/2006 | US7149953 Efficient LDPC code decoding with new minus operator in a finite precision radix system |
12/12/2006 | US7149491 Radio reception apparatus symbol timing control method, and symbol timing control program |
12/12/2006 | US7149490 Method for transmitting signals in a communication device |
12/12/2006 | US7149485 Method and device for processing mismatches between two quadrature paths of a chain of a reception adapted for example to the reception of a signal modulated according to a modulation of the OFDM type |
12/12/2006 | US7149482 Compensation of filters in radio transmitters |
12/12/2006 | US7149434 System and method for optical communication |
12/12/2006 | US7149312 Method and device to retrieve RDS information |
12/12/2006 | US7149268 Digital subscriber line driver |
12/12/2006 | US7149266 Signal receiver and method of compensating frequency offset |
12/12/2006 | US7149265 Timing recovery loop with non-integer length |
12/12/2006 | US7149263 AGC method and circuit for digital radio receiver |
12/12/2006 | US7149261 Image reject circuit using sigma-delta conversion |
12/12/2006 | US7149260 Carrier recovery apparatus of VSB receiver and a method of recovering carrier using the same |
12/12/2006 | US7149258 Method and apparatus for estimation of phase offset between communication channels |
12/12/2006 | US7149256 Multilevel pulse position modulation for efficient fiber optic communication |
12/12/2006 | US7149253 Wireless communication |
12/12/2006 | US7149252 Communicating data using wideband communications |
12/12/2006 | US7149244 ADSL encoder and decoder |
12/12/2006 | US7149199 Multi-dimensional orthogonal resource hopping multiplexing communications method and apparatus |
12/12/2006 | US7149192 Base station implementing a physical layer automatic repeat request |
12/12/2006 | US7148932 Communication system in digital television |
12/12/2006 | US7148743 Demodulation device for reacquiring a modulated signal if reception is interrupted |
12/07/2006 | WO2006130465A2 System and method for enlarging amplitude minima in a linear modulation signal |
12/07/2006 | WO2006129666A1 Digital signal transmitting system, receiving apparatus and receiving method |
12/07/2006 | WO2006129166A1 Method and apparatus for generating pilot sequences to reduce peak-to-average power ratio |
12/07/2006 | WO2006129141A1 Tonal precoding in multi-user vectored dsl transmission |
12/07/2006 | WO2006128490A1 A method and apparatus for scaling parameter estimation in parametric generalized rake receivers |
12/07/2006 | WO2006128323A1 A method for implementing the rate change of the data of transmission convergence layer in adsl system and the apparatus thereof |
12/07/2006 | WO2006069318A3 Determination if a share channel (e:g: ssch) can be utilized for transmission |
12/07/2006 | WO2005101655A8 Advanced digital receiver |
12/07/2006 | WO2005039198A8 Delay-induced scattering with phase randomization and partitioned frequency hopping |
12/07/2006 | WO2005036753A3 Error-correcting multi-stage code generator and decoder for communication systems having single transmitters or multiple transmitters |
12/07/2006 | US20060276145 Method to minimize compatibility error in hierarchical modulation using variable phase |
12/07/2006 | US20060274865 Channel-dependent de-sensing of received signals |
12/07/2006 | US20060274864 Frequency control device and information reproduction apparatus |
12/07/2006 | US20060274863 Method and device for determining the occupancy of a transmission channel |
12/07/2006 | US20060274860 Wireless communications apparatus |
12/07/2006 | US20060274859 Analog-to-digital converter compensation system and method |
12/07/2006 | US20060274858 Sample rate conversion module and applications thereof |
12/07/2006 | US20060274857 RFID receiver with digital down conversion |
12/07/2006 | US20060274856 System and method for communicating confidential messages |
12/07/2006 | US20060274855 Method to enable single frequency network optimization |
12/07/2006 | US20060274854 Radio receiving apparatus, mobile station appartus, base station apparatus, and radio receiving method |
12/07/2006 | US20060274853 Data Transmission System for Computer Tomographs |
12/07/2006 | US20060274852 Modified preamble for programmable transmitter |
12/07/2006 | US20060274851 System and method for enlarging amplitude minima in a linear modulation signal |
12/07/2006 | US20060274850 Digital data transmitting apparatus |
12/07/2006 | US20060274846 Differential multiple-length transmit and reception diversity |
12/07/2006 | US20060274844 Frequency-independent spatial processing for wideband MISO and MIMO systems |
12/07/2006 | US20060274843 Apparatus and method for transmitting/receiving preamble signal in a wireless communication system |
12/07/2006 | US20060274838 Agile RF band OFDM spread spectrum and cross-correlated systems |
12/07/2006 | US20060274837 Receiver circuit, signal transmission system, and receiver circuit device used for high- speed signal transmission |
12/07/2006 | US20060274825 Tonal precoding |
12/07/2006 | US20060274823 Parameter estimator with dynamically variable integration time |
12/07/2006 | US20060274820 Receiver for wireless communication network with extended range |
12/07/2006 | US20060274717 Alternative frequency strategy for DRM |