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)
03/2010
03/30/2010US7688766 Modulation scheme for orthogonal frequency division multiplexing systems or the like
03/30/2010US7688710 Adaptive time diversity and spatial diversity for OFDM
03/30/2010CA2515167C Carrier to noise ratio estimations from a received signal
03/30/2010CA2419796C Methods and apparatus for identifying asset location in communication networks
03/30/2010CA2408405C Frame control encoder/decoder for robust ofdm frame transmissions
03/25/2010WO2010033568A1 D-psk demodulation based on correlation angle distribution
03/25/2010WO2010033345A2 Method and system for radio frequency (rf) group delay compensation in a broadband system
03/25/2010WO2010033280A1 Channel estimation in ofdm receivers
03/25/2010WO2010033080A1 Modulator, demodulator and modulator-demodulator
03/25/2010WO2010032969A2 Method and apparatus for data transmission/reception in a communication system using multiple carriers
03/25/2010WO2010032554A1 Transmission device and reception device
03/25/2010WO2010032482A1 Radio communication device and signal division method
03/25/2010WO2010032119A1 A hierarchical quadrature (qam) transmission scheme
03/25/2010WO2010031493A1 Technique for transmitting on multiple frequency resources in a telecommunication system
03/25/2010WO2010031451A1 Method and apparatus for transmission of two modulated signals via an optical channel
03/25/2010WO2010031439A1 Network element and method of operating a network element
03/25/2010WO2010031358A1 Transmission method and apparatus for multiuser joint mapping configuration information
03/25/2010WO2010013111A3 Method and apparatus for receiving numerical signals transmitted by coded frequency division multiplexing for transmission systems, in particular of the spatial diversity type
03/25/2010WO2010011056A3 Method and apparatus for transmitting reference signal in multiple antenna system
03/25/2010WO2010008245A3 Method and apparatus for transmitting reference signal in multiple antenna system
03/25/2010WO2010005187A3 Transmitting and receiving method for retransmission modulation and communication system
03/25/2010WO2010005182A3 Method for providing control information associated with fractional frequency reuse
03/25/2010WO2009151846A3 Methods and systems for initial fch processing
03/25/2010WO2009125000A9 Permuting slots to logical distributed resource units
03/25/2010US20100075710 Method and apparatus to vary power level of training signal
03/25/2010US20100075615 High Speed Serial Link with Power Spectral Density Frequency Response Suppression
03/25/2010US20100074381 Methods and systems for improving iterative signal processing
03/25/2010US20100074379 Tuning replica generation methods and apparatus for their most optimum performance in processing transient signals
03/25/2010US20100074378 Method and System for Estimating a Signal and Computer Program Product
03/25/2010US20100074377 Communication device for receiving and transmitting ofdm signals in a wireless communication system
03/25/2010US20100074376 Sphere decoding method applied to multi-input multi-output (mimo) channel
03/25/2010US20100074375 Sphere decoding method applied to multi-input multi-output (mimo) channel
03/25/2010US20100074374 Phase calibration circuit and related phase calibration method
03/25/2010US20100074373 Broadcast receiver and channel searching method using the same
03/25/2010US20100074371 Ultra narrow band frequency selectior for zero point modulated carrier
03/25/2010US20100074370 Antenna amplifier, receiving system, operating method, and use of a receiving system
03/25/2010US20100074369 Ofdm transmitter and ofdm receiver
03/25/2010US20100074368 Asynchronous delta-sigma modulator and a method for the delta-sigma modulation of an input signal
03/25/2010US20100074367 Adaptive combiner error calibration algorithms in all-digital outphasing transmitter
03/25/2010US20100074366 System and method for acknowledgement packet transmitting and receiving
03/25/2010US20100074360 Signal generation using phase-shift based pre-coding
03/25/2010US20100074355 Transmit diversity scheme
03/25/2010US20100074351 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
03/25/2010US20100074350 Codeword level scrambling for mimo transmission
03/25/2010US20100074349 Method and base station for orthogonal frequency division multiplexing (ofdm) signal processing
03/25/2010US20100074348 Fine symbol timing synchronization method and apparatus in ofdm system
03/25/2010US20100074347 Method and apparatus of subchannelization of wireless communication system
03/25/2010US20100074346 Channel estimation in ofdm receivers
03/25/2010US20100074345 Digital radio feedback systems
03/25/2010US20100074344 Highly detectable pilot structure
03/25/2010US20100074343 Efficient mutiplexing of reference signal and data in a wireless communication system
03/25/2010US20100074342 Method and system for linear processing of an input using Gaussian Belief Propagation
03/25/2010US20100074320 Apparatus for equalizing decision feedback based on channel properties change and method therefor
03/25/2010US20100074319 Decoding system for LDPC code concatenated with 4QAM-NR code
03/25/2010US20100074318 Equalizer, equalization method, program and receiving device
03/25/2010US20100074317 Truncation of noisy taps in channel estimation
03/25/2010US20100074309 Phase shift based precoding method and transceiver for supporting the same
03/25/2010US20100074307 A p-order metric uwb receiver structure with improved performance in multiple access interference-plus-noise multipath channels
03/25/2010US20100074305 STBC based transmission method considering number of symbols in slot
03/25/2010US20100074300 method for simplifying the calculations for pre-whitening in a g-rake receiver
03/25/2010US20100074241 Apparatus and method for receiving imperfectly phase compensated electromagnetic signals
03/25/2010US20100074197 Communication system, base station, terminal, and communication method
03/25/2010US20100074191 Random access method using different frequency hopping patterns between neighboring cells and mobile communication device
03/25/2010US20100074152 Method and apparatus for transmitting data in a time division duplexed (tdd) communication system
03/25/2010US20100074151 Method and system for reducing adjacent channel interference using time division duplex (tdd)
03/24/2010EP2166722A1 A hierarchical quadrature (QAM) transmission scheme
03/24/2010EP2166721A2 Receiving device, method and program
03/24/2010EP2166720A1 A method, apparatus and terminal device for the symbol interleaving
03/24/2010EP2166719A1 Modulation device and pulse wave generation device
03/24/2010EP2166688A2 Correction of differences between downlink and uplink channel responses
03/24/2010EP2166685A2 Coordinated cyclic shift and sequence hopping for ZADOFF-CHU, modified ZADOFF-CHU, and block-wise spreading sequences
03/24/2010EP2165495A2 Multi-code precoding for sequence modulation
03/24/2010EP2165494A1 Apparatus and method for coded orthogonal frequency- division multiplexing
03/24/2010EP2165493A1 Apparatus and method for removing common phase error in a dvb-t/h receiver
03/24/2010EP2165492A2 Methods and apparatus for communicating in a peer to peer system where device communications may partially interfere with one another
03/24/2010EP2165491A2 Methods and apparatus for channel estimation and rate feedback in a peer to peer network
03/24/2010EP2165490A2 Apparatus and method of generating and maintaining hybrid connection identifications (ids) for peer-to-peer wireless networks
03/24/2010EP2165446A1 Method and apparatus for reducing interference in space frequency block coding communication
03/24/2010EP2165430A2 Setting maximum power at a mobile communication system base station having multiple antennas
03/24/2010EP2165417A2 Method and apparatus for controlling multi-antenna transmission in a wireless communication network
03/24/2010EP1637005B1 Code channel management in a wireless communications system
03/24/2010CN101682918A Antenna switching method and method for transmitting and receiving signals for the same
03/24/2010CN101682881A Information on reference signal structure for neighbouring cell measurements
03/24/2010CN101682608A Method of demapping data symbols for decoding in a wired communication system
03/24/2010CN101682607A A resource block based pilot pattern design for 1/2-stream mimo ofdma systems
03/24/2010CN101682606A sub-carrier alignment mechanism for ofdm multi-carrier systems
03/24/2010CN101682605A Simultaneous cell group and cyclic prefix detection method, apparatus and system
03/24/2010CN101682604A Method for data transmission within a communication system, subscriber and communication system
03/24/2010CN101682603A Method of transmitting control signals in wireless communication system
03/24/2010CN101682602A Rach preamble detection receiver
03/24/2010CN101682601A Frequency domain interpolation based receiver for multicarrier signals
03/24/2010CN101682600A multicarrier techniques for wireless systems
03/24/2010CN101682599A Method for transmitting control information, and method for generating codeword for the same
03/24/2010CN101682598A Method for optimizing signals with multiple subcarriers
03/24/2010CN101682597A Broadcast channel timing detection
03/24/2010CN101682596A Method and apparatus for multiplexing CDM pilot and FDM data
03/24/2010CN101682595A Data modulation in a communication system
03/24/2010CN101682594A Method and device for sending a transmission signal, in particular a mobile radio signal
03/24/2010CN101682593A Coherent initial acquisition
03/24/2010CN101682592A Method and/or OFDM device for SC-FDMA data transmission
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