Patents for H04L 27 - Modulated-carrier systems (89,721)
06/2007
06/26/2007US7236701 Optical transmission system for performing communication using a plurality of communication lines
06/26/2007US7236554 Timing estimation in an OFDM receiver
06/26/2007US7236548 Bit level diversity combining for COFDM system
06/26/2007US7236547 Start-up automatic frequency control (AFC) method and apparatus
06/26/2007US7236546 Pipelined turbo multiuser detection
06/26/2007US7236545 Chip blanking and processing in SCDMA to mitigate impulse and burst noise and/or distortion
06/26/2007US7236544 Enhanced preamble to enable low power detection
06/26/2007US7236543 Method and apparatus of 8PSK modulation
06/26/2007US7236542 Multi-mode envelope restoration architecture for RF transmitters
06/26/2007US7236541 Translation loop modulator
06/26/2007US7236539 Apparatus and method for estimation of frequency offset in wireless communications
06/26/2007US7236536 Method and apparatus for detection and decoding of signals received from a linear propagation channel
06/26/2007US7236535 Reduced complexity channel estimation for wireless communication systems
06/26/2007US7236533 Method and apparatus for reducing ratio of peak power to average power of multi-carrier signals
06/26/2007US7236532 Method of initializing a communication system with different bandwidth receivers and transmitters
06/26/2007US7236513 Transmission method and transmitter
06/26/2007US7236464 Flexible method and apparatus for encoding and decoding signals using a time division multiple frequency scheme
06/26/2007US7236452 Multi-carrier CDMA transmission system, transmitting apparatus and receiving apparatus used in this system, and multi-carrier CDMA transmission method
06/22/2007CA2571749A1 Method and apparatus for encoding a data stream for transmission across bonded channels
06/21/2007WO2007069995A2 Channel quality reporting and link adaptation for multi-carrier broadband wireless communication
06/21/2007WO2007069822A2 Method and apparatus for overhead reduction of signaling messages
06/21/2007WO2007069665A1 Transmission circuit and communication apparatus employing the same
06/21/2007WO2007069193A2 Polar modulation system
06/21/2007WO2007069192A2 Transmitter device and method of transmission with attenuation of unwanted spectra
06/21/2007WO2007069191A2 Multi-mode modulation apparatus
06/21/2007WO2007069153A2 Mimo receiver with ml detection having less complexity
06/21/2007WO2007068994A1 Low complexity method and apparatus to append a cyclic extension to a continuous phase modulation (cpm) signal
06/21/2007WO2007068742A1 Signal generating unit and signal receiving unit
06/21/2007WO2007068724A1 Method and device for signal processing
06/21/2007WO2007068666A1 High rate data transmission system suitable hf channel transmission using standard transceivers
06/21/2007WO2007068407A1 Method and apparatus for phase-noise compensation in digital receivers
06/21/2007WO2007068077A1 System and method for reducing peak-to-average power ratio in orthogonal frequency division multiplexing signals using reserved spectrum
06/21/2007WO2007051158A3 Puncturing signaling channel for a wireless communication system
06/21/2007WO2007050981A3 A method and apparatus for modulating common pilot channel in block hopping mode in wireless communication system
06/21/2007WO2007050907A3 A method and apparatus for modulating auxiliary pilot signals in wireless communication system
06/21/2007WO2007047376A3 Rapid channel signal identification
06/21/2007WO2007038554A3 Evaluation of transmitter performance
06/21/2007WO2007036787A3 Pilot structure for multicarrier transmissions
06/21/2007US20070140395 Method of symbol timing synchronization in communication systems
06/21/2007US20070140388 Method and apparatus for acquiring a frequency burst in a radio communication device
06/21/2007US20070140387 Signal adjustment receiver circuitry
06/21/2007US20070140386 Method and arrangement for automatic frequency control in a communication system
06/21/2007US20070140385 Apparatus and methods for determining timing in a communication system
06/21/2007US20070140382 Bandpass sampling receiver and the sampling method
06/21/2007US20070140381 Wireless apparatus
06/21/2007US20070140379 Method and apparatus for 0/180 degree phase detector
06/21/2007US20070140378 Quadrature modulation apparatus, method, program, and recording medium
06/21/2007US20070140377 Multi-antenna reception apparatus, multi-antenna reception method, multi-antenna transmission apparatus and multi-antenna communication system
06/21/2007US20070140375 Joint-source channel decoding method and associated joint source-channel decoder
06/21/2007US20070140374 Spatio-temporal processing for communication
06/21/2007US20070140373 Constellation rearrangement for transmit diversity schemes
06/21/2007US20070140372 Method and system for utilizing space-time codes for block fading channels
06/21/2007US20070140371 Combining space time block code (STBC) with spatial multiplexing for MIMO transmission
06/21/2007US20070140365 Beamforming transceiver architecture with enhanced channel estimation and frequency offset estimation capabilities in high throughput WLAN systems
06/21/2007US20070140364 Interleaver for IEEE 802.11n standard
06/21/2007US20070140361 Method and system for detecting transmitted data signal quality and integrity
06/21/2007US20070140203 Method and device for estimating carrier frequency offset of subscriber terminal
06/21/2007US20070140178 System and method for transmitting random access data using orthogonal frequency division multiple access
06/21/2007US20070140115 Method for selection of an available transmission channel by sending a negative decision value and an additional positive decision value and corresponding base station, mobile terminal and mobile radio network
06/21/2007US20070140102 Apparatus and method for assigning sub-carriers in an orthogonal frequency division multiplex system
06/21/2007DE19811895B4 Verfahren zum Bestimmen verschiedenartiger Fehler eines digitalen Sendermodulators A method for determining different types of errors a digital transmitter modulator
06/21/2007DE102006055882A1 System und Verfahren zum Ausrichten eines Quadraturcodierers und Einrichten einer Decodiererverarbeitungsgeschwindigkeit System and method for aligning a Quadraturcodierers and establishing a Decodiererverarbeitungsgeschwindigkeit
06/21/2007DE102005060988A1 Sendeverfahren für differentiell phasenverschiebungscodierte Daten The transmission method for differentially encoded phase shift data
06/21/2007DE102005055439B3 Four-level difference phase modulated data signal wavelength transformation arrangement for use in e.g. wavelength division multiplexing network, has addition unit to add partial signals to four-level amplitude modulated signal
06/21/2007CA2627179A1 Method and apparatus for overhead reduction of signaling messages
06/20/2007EP1798993A1 Remote access communication system and control method thereof
06/20/2007EP1798992A1 Power conservation for POTS and modulated data transmission
06/20/2007EP1798926A1 A HARQ method and system
06/20/2007EP1798925A1 Method and device for signal processing
06/20/2007EP1798924A1 Signal generating unit and signal receiving unit
06/20/2007EP1798923A1 Method for signal transmission
06/20/2007EP1798922A1 Transmitter device and method of transmission with attenuation of unwanted spectra
06/20/2007EP1798885A1 Demodulating apparatus, receiving apparatus and demodulating method
06/20/2007EP1797691A1 Block modulation
06/20/2007EP1797690A1 Receiver-site restoration of clipped signal peaks
06/20/2007EP1796728A2 Method and composition for preventing or treating diarrhea
06/20/2007EP1502439B1 Backward compatible dvb-s standard transmission system
06/20/2007EP1502362A4 System and method for eliminating signal zero crossings in single and multiple channel communication systems
06/20/2007EP1396131A4 Methods and systems for sending side-channel data during data inactive period
06/20/2007EP1394960B1 Automatic gain control system for a multi-user ofdm digital transmission system using the electric grid
06/20/2007EP0916215B1 Method for transmitting on a plurality of transmission media, with dynamic data dispatching, and corresponding transmitter and terminal
06/20/2007CN2914497Y Emitter and receiver of radio communication system
06/20/2007CN1985486A Transmitter circuit, transmission method, and communications device using the transmitter circuit
06/20/2007CN1985485A Amplitude modulation device, amplitude limit method, and computer-readable program
06/20/2007CN1985451A Method and apparatus for accessing a wireless communication system
06/20/2007CN1985372A Radio transmission device, radio reception device, radio transmission method, and radio reception method
06/20/2007CN1984326A Method, apparatus and system for transmitting wireless digital TV-set and broadcast
06/20/2007CN1984114A System and method for reducing dynamic range of modulated signals without increasing out-of-band-power
06/20/2007CN1984113A Fundamental frequency receiver for multiple frequency band orthogonal frequency-division multiplexing and method of determining signal gain thereof
06/20/2007CN1984112A Sending method, receiving method, sending device and receiving device
06/20/2007CN1984111A Transmission and use for controlling information in OFDM system
06/20/2007CN1984110A Method for decreasing peak equilibrium ratio and orthogonal frequency division multiplexing system
06/20/2007CN1984109A Channel estimater and channel estimating method in telecommunication system
06/20/2007CN1984108A Telecommunication system transceiver in transform domain and its realization
06/20/2007CN1984107A Leading sequence of multi-carrier system and its use
06/20/2007CN1984106A Digital demodulating apparatus, digital receiver, controlling method of the apparatus, computer product for the apparatus, and recording medium recording thereon the product
06/20/2007CN1984082A Method for sharing signaling message load
06/20/2007CN1983918A Method and access equipment for realizing soft-frequency duplexing and transmitting data
06/20/2007CN1983860A Method and apparatus for transmitting synchronous signal
06/20/2007CN1983838A Multichannel link for reducing peak-to-average amplitude ratio