Patents for H04L 27 - Modulated-carrier systems (89,721)
04/2007
04/10/2007US7203473 Radio equipment
04/10/2007US7203466 Transmitting and receiving unit
04/10/2007US7203261 Phase locked loop for an OFDM system
04/10/2007US7203258 Acquisition algorithm in asynchronous CDMA systems
04/10/2007US7203257 Best linear unbiased channel estimation for frequency selective multipath channels with long delay spreads
04/10/2007US7203256 Ethernet channel estimation device and method
04/10/2007US7203255 Method and system to implement non-linear filtering and crossover detection for pilot carrier signal phase tracking
04/10/2007US7203254 Method and system for synchronizing in a frequency shift keying receiver
04/10/2007US7203253 Method and apparatus of cross-correlation
04/10/2007US7203252 Minimum variance unbiased and moment estimators of carrier frequency offset in multi-carrier systems
04/10/2007US7203251 Apparatus for compensating phase of receiver and method thereof
04/10/2007US7203250 Frequency analysis method and apparatus, and spectrum spreading demodulation method and apparatus
04/10/2007US7203249 Spatio-temporal processing for communication
04/10/2007US7203248 Impairment sensitive selection of constellation points for communication across a channel
04/10/2007US7203247 Digital predistortion technique for WCDMA wireless communication system and method of operation thereof
04/10/2007US7203244 COFDM demodulator with an optimal FFT analysis window positioning
04/10/2007US7203230 Method and system for training adaptive channel equalization
04/10/2007US7203206 Data partitioning for multi-link transmission
04/10/2007US7203158 OFDM signal transmission system, portable terminal, and e-commerce system
04/10/2007US7203157 Equalization method and device of the GMMSE type
04/10/2007US7202914 Digital television transmitter identification system using pseudo-random sequences
04/05/2007WO2007038729A2 Method and apparatus for carrier allocation and management in multi-carrier communication systems
04/05/2007WO2007038631A1 Reconfigurable notched spectrum for wireless data transmission
04/05/2007WO2007038554A2 Evaluation of transmitter performance
04/05/2007WO2007038358A2 Pilot grouping and route protocols in multi-carrier communication systems
04/05/2007WO2007038356A1 Method and apparatus for pilot communication in a multi-antenna wireless communication system
04/05/2007WO2007038268A1 Multicarrier transmitter for multiple-input multiple-output communication systems and methods for puncturing bits for pilot tones
04/05/2007WO2007037963A1 Edge transceiver architecture and related methods
04/05/2007WO2007037716A1 Communication system and technique using qr decomposition with a triangular systolic array
04/05/2007WO2007037657A2 A method for transmitting and receiving data using a plurality of carriers
04/05/2007WO2007037656A1 Apparatus and method for automatic gain control of mobile station in ofdm system
04/05/2007WO2007037639A2 A method and apparatus of preprocessing for frequency domain signal processing
04/05/2007WO2007037631A1 Apparatus and method for receiving data in a wireless communication system using bit interleaving, symbol interleaving and symbol mapping
04/05/2007WO2007037576A1 Apparatus for equalizing channel in frequency domain and method therefor
04/05/2007WO2007037412A1 Radio transmission device, and radio transmission method
04/05/2007WO2007037124A1 Modulator, filter, filter gain control method, and code modulating method
04/05/2007WO2007037008A1 Transmitting/receiving apparatus and transmitting/receiving method
04/05/2007WO2007036866A2 A method, a program and a module to estimate a doppler maximum frequency and an oscillator frequency offset, receiver including the module
04/05/2007WO2007036847A1 Fast synchronization for frequency hopping systems
04/05/2007WO2007036787A2 Pilot structure for multicarrier transmissions
04/05/2007WO2007036612A1 Synchronization method, receiver, network element, communication device, electronic device, computer program product and computer program distribution medium
04/05/2007WO2007036073A1 Resource allocation method for mimo-ofdm of multi-user access systems
04/05/2007WO2007019498A3 Device and methods for biphasis pulse signal coding
04/05/2007WO2007011181A3 A method of transmitting and receiving data in a multi-carrier system
04/05/2007WO2007011181A2 A method of transmitting and receiving data in a multi-carrier system
04/05/2007WO2007010431A3 Method for reception of dvb-h signals and dvb-h receiver
04/05/2007WO2007008614A3 Method and apparatus in a base station for transmitting data on the dc tone of a multi-carrier communication system with a predetermined timing pattern
04/05/2007WO2007008614A2 Method and apparatus in a base station for transmitting data on the dc tone of a multi-carrier communication system with a predetermined timing pattern
04/05/2007WO2006135186A3 A method and apparatus for allocating a plurality of data symbols in a wireless communication system
04/05/2007WO2006102315A3 System and method for communicating data using constant amplitude equalized waveform
04/05/2007US20070079213 Wireless communications apparatus
04/05/2007US20070076828 Apparatus for automatic gain control and wireless receiver employing the same
04/05/2007US20070076827 Radio frequency (RF) receiver with double loop integrated fast response automatic gain control (AGC)
04/05/2007US20070076823 Method of estimating symbol synchronization in oqpsk demodulator
04/05/2007US20070076821 Vector Waveform Correction Device
04/05/2007US20070076818 System and method for calibrating an analog signal path during operation in an ultra wideband receiver
04/05/2007US20070076817 System and method for transmitting/receiving signal in a frequency overlay communication system
04/05/2007US20070076816 Maximizing data rate by adjusting codes and code rates in CDMA system
04/05/2007US20070076809 Communication apparatus
04/05/2007US20070076783 Frequency selective automatic gain control with dual non-symmetric attack and release times and interference detection feature
04/05/2007US20070076583 Bi-directional communication channel
04/05/2007US20070075880 Coding circuit and coding apparatus
04/05/2007DE10338521B4 Verfahren zum Erfassen des Beginns eines aktiven Signalabschnitts A method for detecting the beginning of an active signal portion
04/05/2007DE10245687B4 Frequenzfehlerkorrektur in einem Übertragungssystem Frequency error correction in a transmission system
04/05/2007DE102006038986A1 Kameramodul-Vorrichtung mit reflexionsbeschichtetem Fensterglas Camera module device with reflexionsbeschichtetem window glass
04/05/2007DE102005046245A1 Vorrichtung zum Überführen eines komplexwertigen Bandpaßsignals in ein digitales Basisbandsignal An apparatus for converting a complex-valued bandpass signal into a digital baseband signal
04/05/2007DE102005044388A1 Verfahren zum Betrieb einer sendenden Station in einem Kommunikationssystem sowie sendende Station Method for operating a transmitting station in a communication system as well as transmitting station
04/05/2007CA2623377A1 Reconfigurable notched spectrum for wireless data transmission
04/05/2007CA2622175A1 Method and apparatus for carrier allocation and management in multi-carrier communication systems
04/04/2007EP1770939A2 Reception in a wireless communication system which uses interleaving of both bits and symbols
04/04/2007EP1770938A2 Orthogonal frequency division multiplexing (OFDM) chip supporting single weight diversity
04/04/2007EP1770937A2 OFDM radio reconfigurable to support different standards
04/04/2007EP1770891A2 Finite impulse response filtering for an adaptive modulation wireless communication system
04/04/2007EP1770890A2 Improved frame structure for an adaptive modulation wireless communication system
04/04/2007EP1770868A1 Device for convetring e complex-valued passband signal into a digital baseband signal
04/04/2007EP1770861A2 Network searching in a mobile communication terminal
04/04/2007EP1769585A2 System and method for joint maximal ratio combining using time-domain based signal processing
04/04/2007EP1602192B1 Apparatus and method for detcting a group of received symbols
04/04/2007EP1397882A4 Cooperative code-enhanced multi-user communications system
04/04/2007CN2886951Y Mobile communication equipment of single-carrier CDMA and data special channel accommodating identical frequency point
04/04/2007CN2886930Y Programmable key-controlled frequency-shift modulation circuit structure
04/04/2007CN1943200A Polar modulator and wireless communication apparatus using the same
04/04/2007CN1943199A Method and apparatus for detecting a cell in an orthogonal frequency division multiple access system
04/04/2007CN1943198A Single and multiple sinewave modulation and demodulation techniques
04/04/2007CN1943197A Single and multiple sinewave modulation and demodulation techniques, apparatus, and communications systems
04/04/2007CN1943196A Coaxial cable communications systems and apparatus employing single and multiple sinewave modulation and demodulation techniques
04/04/2007CN1943195A Multiscale wireless communication
04/04/2007CN1943156A Transmit diversity and spatial spreading for an ofdm-based multi-antenna communication system
04/04/2007CN1943152A Methods and apparatus for multi-carrier communication systems with adaptive transmission and feedback
04/04/2007CN1943151A Channel estimation apparatus and method for ofdm/ofdma receiver
04/04/2007CN1943143A Apparatus and method for controlling transmission power in communication systems using orthogonal frequency division multiple access scheme
04/04/2007CN1943104A 振荡电路和电子设备 Oscillation circuit and electronic equipment
04/04/2007CN1941766A Method of estimating symbol synchronization in oqpsk demodulator
04/04/2007CN1941765A Radio communication device and radio communication method
04/04/2007CN1941764A Generation method and corresponding apparatus for ovsf code
04/04/2007CN1941763A Method and system for wireless information reception
04/04/2007CN1941762A Method for protecting sub-carrier in distributing orthogonal multi-path frequency-division duplicating system
04/04/2007CN1941761A IDFI/DFT device for extending OFDM system
04/04/2007CN1941760A Iterative transmit/receiver and method for duplicating multi-antenna orthogonal frequency division
04/04/2007CN1941759A Method for balancing orthogonal frequency division multiplexing signals