Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
11/2005
11/17/2005WO2005109810A2 Hybrid communication method and apparatus
11/17/2005WO2005109809A1 Amc (adaptative modulation and coding) method and apparatus for increasing up-link performance and record medium storing the method
11/17/2005WO2005109808A1 Detection of modulation type
11/17/2005WO2005109732A2 Low power direct conversion rf transceiver architecture and asic and systems including such
11/17/2005WO2005109711A1 Ofdm receiver apparatus and ofdm receiving method
11/17/2005WO2005109710A1 Radio transmitter apparatus, radio receiver apparatus, and wireless communication system
11/17/2005WO2005109709A1 Multicarrier transmitter apparatus, multicarrier receiver apparatus, multicarrier transmitting method, and multicarrier receiving method
11/17/2005WO2005109678A1 Smart antenna system and method thereof for forming uplink eigenbeam of ofdm/tdd
11/17/2005WO2005109677A1 Smart antenna system and method thereof for forming downlink eigenbeam of ofdm/tdd
11/17/2005WO2005109662A1 Apparatus and method for encoding and decoding block low density parity check codes with a variable coding rate
11/17/2005WO2005109657A1 Methods and apparatus for selecting between multiple carriers based on signal energy measurements
11/17/2005WO2005109632A1 Gain control for a receiver in a multi-carrier communication system
11/17/2005WO2005109625A2 Integrated analog video receiver
11/17/2005WO2005071867A3 Synchronized broadcast/multicast communication
11/17/2005WO2005057817A9 Multidimensional signal modulation and/or demodulation for data communications
11/17/2005WO2004079938A3 System and method for transmitting ultrawide bandwidth signals
11/17/2005WO2004032347A8 Receiver having a signal reconstructing section for noise reduction, system and method thereof
11/17/2005WO1999014875A9 An improved threshold extension block phase estimator for quasi-coherent communications systems
11/17/2005US20050257112 Method and apparatus for combining de-interleaving with FFT and demapping
11/17/2005US20050257106 File download and streaming system
11/17/2005US20050255807 Base station device and adaptive modulation method
11/17/2005US20050255806 2N-order sub-harmonic frequency modulator having high carrier suppression ratio and direct conversion transmitter using the same
11/17/2005US20050254611 Symbol timing search algorithm
11/17/2005US20050254605 Efficient decoding of trellis coded modulation waveforms
11/17/2005US20050254604 Beaulieu series approach to optimal UMTS RACH preamble detection estimation
11/17/2005US20050254602 Method and circuit arrangement for determining the frequency of a received signal for demodulation of received signals
11/17/2005US20050254601 Channel acquisition processing for a television receiver
11/17/2005US20050254600 Method and apparatus for interference cancellation in communication signal processing
11/17/2005US20050254599 Device and method for down-mixing of a radio-frequency signal, which has been received by radio, to baseband
11/17/2005US20050254598 Channel state determination method and channel state generator in receiver
11/17/2005US20050254596 Space-time block coding in orthogonal frequency division communication systems
11/17/2005US20050254593 Doppler aided detection, processing and demodulation of multiple signals
11/17/2005US20050254592 Time varying cyclic delay diversity of OFDM
11/17/2005US20050254587 Transmitting and receiving apparatuses for reducing a peak-to-average power ratio and an adaptive peak-to-average power ratio controlling method thereof
11/17/2005US20050254585 Self clock generation structure for low power local clock buffering decoder
11/17/2005US20050254567 Transmit amplitude independent adaptive equalizer
11/17/2005US20050254566 Transmit amplitude independent adaptive equalizer
11/17/2005US20050254565 Transmit amplitude independent adaptive equalizer
11/17/2005US20050254562 System and method to reduce noise estimation error during a digital subscriber line communication session and digital subscriber line modem incorporating the same
11/17/2005US20050254557 Receiver and base station for producing phase-corrected channel signals
11/17/2005US20050254556 Wireless communication system, wireless communication device, wireless reception device, wireless communication method, and channel estimation method
11/17/2005US20050254475 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
11/17/2005US20050254457 Dynamic subchannel and bit allocation in a multiuser-MIMO/OFDMA system
11/17/2005US20050254416 Signaling method in an OFDM multiple access system
11/17/2005US20050254415 Multi-carrier radio transmission system, transmission device, and reception device
11/17/2005US20050254414 Receiving processing method and apparatus
11/17/2005US20050253747 Communication system, and interrogator and transponder of the system
11/17/2005US20050253742 Timing extractor, timing extraction method, and demodulator having the timing extractor
11/17/2005US20050253688 Radio communication system, radio communication device, and radio communication method
11/17/2005DE3645383B4 Digital multi-user radio telephone system - has master station radio linked to sun stations which are time division multiplexed onto single channel
11/17/2005DE102005010593A1 Verfahren und Vorrichtung zum Verringern des Crestfaktors eines Signals Method and device for reducing the crest factor of a signal
11/17/2005DE102004019984A1 Einrichtung zur Verarbeitung von Funk-Sendedaten mit einer digitalen Vorverzerrung Means for processing radio-transmission data with a digital predistortion
11/17/2005CA2677967A1 Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof
11/17/2005CA2677963A1 Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof
11/17/2005CA2565740A1 Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof
11/17/2005CA2565736A1 Digital broadcasting transmission and/or reception system to improve receiving performance and signal processing method thereof
11/17/2005CA2565565A1 Gain control for a receiver in a multi-carrier communication system
11/17/2005CA2562706A1 Methods and apparatus for phased deployment of communications systems
11/17/2005CA2562705A1 Multi-carrier communications methods and apparatus
11/16/2005EP1596552A2 Method and circuit arrangement for determining the frequency offset of a received signal
11/16/2005EP1596551A1 Apparatus for peak to average power ratio reduction in a multicarrier system
11/16/2005EP1596550A1 Peak-to-average power ratio control
11/16/2005EP1596549A2 Wireless communication system, wireless communication device, wireless reception device, wireless communication method, and channel estimation method
11/16/2005EP1596525A1 Hybrid wireless communications system
11/16/2005EP1596524A1 Method for subcarrier allocation
11/16/2005EP1596521A2 Signal separation device and signal separation method
11/16/2005EP1596515A1 Multi-carrier transmission device, multi-carrier reception device, and multi-carrier radio communication method
11/16/2005EP1596501A1 Apparatus and method for encoding and decoding block low density parity check codes with a variable coding rate
11/16/2005EP1596320A2 Radio communication system, device and method
11/16/2005EP1595380A1 Wireless receiver deinterleaver having partitioned memory
11/16/2005EP1595379A2 Method and apparatus for frequency division multiplexing
11/16/2005EP1595373A1 Wireless data transmission method, and corresponding signal, system, transmitter and receiver
11/16/2005EP1595350A1 Method of reducing papr in multiple antenna ofdm communication system and multiple antenna ofdm communication system using the method
11/16/2005EP1595345A2 Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
11/16/2005EP1595329A2 Improving the efficiency of power amplifiers in devices using transmit beamforming
11/16/2005EP1031184A4 Front end interface circuit and method of tuning the same
11/16/2005EP1021874B1 Method of implementing macrodiversity
11/16/2005EP0981883B1 Protocol for transceiver initialisation in a discrete multitone (dmt) system
11/16/2005EP0974202A4 ACTIVATION OF MULTIPLE xDSL MODEMS WITH CHANNEL PROBE
11/16/2005EP0972352A4 Mapper for high data rate signalling
11/16/2005CN1698390A Handoff system using an initial ranging scheme in a broadband wireless access communication system and method for controlling the same
11/16/2005CN1698334A Power and bit loading allocation in a communication system with a plurality of channels
11/16/2005CN1698333A Timing extraction device and method, and demodulation device using the timing extraction device
11/16/2005CN1698332A Method and system for acquiring a received impulse radio signal
11/16/2005CN1698292A Base station device and adaptive modulation method
11/16/2005CN1697512A De-interleaving device and method of possessing pattern recognition unit
11/16/2005CN1697500A Channel state determination method and channel state generator in receiver
11/16/2005CN1697442A Demodulation method of 16QAM in time division synchronized CDMA system
11/16/2005CN1697441A Method for modulating digital broadcast signal by orthogonal frequency division multiplexing multicarrier and transmitter
11/16/2005CN1697440A Automatic gain control device in use for multicarrier receiver
11/16/2005CN1697439A Peak-to-average power ratio control
11/16/2005CN1697438A Preamble generator for a multiband OFDM transceiver
11/16/2005CN1697437A Method for subcarrier allocation
11/16/2005CN1697436A Method of detecting signal by combining compensate of frequency deviation for orthogonal packet in MC-CDMA down going chain
11/16/2005CN1697435A Radio communication system, device and method
11/16/2005CN1697434A Automatic gain control method and device in WLAN system
11/16/2005CN1697433A Equalising structure and method with maximum likelihood detection
11/16/2005CN1697432A IQ imbalance compensation and device of using same and receiver
11/16/2005CN1697361A Wireless communication system, wireless communication device, wireless reception device, wireless communication method, and channel estimation method
11/16/2005CN1697352A Hybrid wireless communications system
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