Patents for H04L 27 - Modulated-carrier systems (89,721)
12/2008
12/24/2008WO2007127625A3 Receiver for use in wireless communications and method of operation of the receiver
12/24/2008EP2007094A2 Method that is simultaneous over time and in terms of frequency for transmitting multiple data communications via ofdm modulations
12/24/2008EP2007093A1 Method and apparatus for attenuating out-of-band signals of a multi-carrier symbol signal
12/24/2008EP2007092A1 Cyclic filter circuit, circuit arrangement and method for filtering
12/24/2008EP2007057A1 Method for fast packet scheduling of multiple users in a multicarrier radio communication network, corresponding scheduler and system
12/24/2008EP2007054A1 Adaptive modulation and coding
12/24/2008EP2007021A1 Method and device for asigning reference signal sequences in mobile communicaitons system
12/24/2008EP2006853A2 Device for embedding information in data
12/24/2008EP2005688A1 Method and apparatus for clock correction in mimo ofdm
12/24/2008EP2005687A2 A method and structure of configuring preamble to support transmission of data symbol in a wireless communication system
12/24/2008EP2005686A1 Methods and tools for expanding coverage of an ofdm broadcast transmitter via transmit timing advance
12/24/2008EP2005685A1 Measurement method and arrangement for amplitude and phase synchronization in a polar transmitter
12/24/2008EP2005683A1 Method for channel estimation using recursive filtering and multicarrier receiver with interference-aware demodulation
12/24/2008EP2005682A2 Multi-carrier radio link protocol supervision in a radio communication system
12/24/2008EP2005629A1 Channel quality signaling
12/24/2008EP2005617A1 Method and apparatus for searching for cells utilizing downlink preamble signal
12/24/2008EP1396159A4 Multi-detection of heartbeat to reduce error probability
12/24/2008EP1382083B1 Tunable multiplexer
12/24/2008EP1338112B1 Timing drift compensation in wireless packet-based systems
12/24/2008EP1302041B1 Device for narrow-band communication in a multi-carrier system
12/24/2008DE102008028750A1 Polarmodulatoranordnung und Polarmodulationsverfahren Polar modulator arrangement and polar modulation method
12/24/2008DE102008028326A1 Mehrmodus-Modulator Multi-mode modulator
12/24/2008DE102008027774A1 Vorrichtungen und Verfahren zur Signalmodulation Devices and methods for signal modulation
12/24/2008DE102008023105A1 Robuste Kanalschätzung in Kommunikationssystemen Robust channel estimation in communication systems
12/24/2008CN101331728A Transmission circuit and communication apparatus employing the same
12/24/2008CN101331727A Transmission method, transmitter, and receiver for multi antenna wireless communication system
12/24/2008CN101331726A Method and device for signal processing
12/24/2008CN101331725A Apparatus and methods for timing recovery in a wireless transceiver
12/24/2008CN101331724A Apparatus and methods for determining timing in a communication system
12/24/2008CN101331701A MIMO receiver with non-complicated ML test
12/24/2008CN101331700A Efficient channel quality reporting and link adaptation for multi-carrier broadband wireless communication
12/24/2008CN101331695A Method and system for transmitting data from a medium access control device via a physical layer to an antenna
12/24/2008CN101331692A Method of transmitting OFDM signal and transmitter and receiver thereof
12/24/2008CN101331678A Switching circuit, and a modulator, demodulator or mixer including such a circuit
12/24/2008CN101331479A 循环快速傅里叶变换 Cyclic fast Fourier transform
12/24/2008CN101330712A Method and apparatus for distributing sub carrier of multiple input/output-OFDM system
12/24/2008CN101330490A Data coupler based on coaxial-cable hybrid transmission technology
12/24/2008CN101330489A Processor for FFT / IFFT as well as processing method thereof
12/24/2008CN101330488A Synchronization detection
12/24/2008CN101330487A Symbol interlacing method, apparatus and terminal equipment
12/24/2008CN101330486A Method and apparatus for transmitting down special pilot
12/24/2008CN101330485A Optical identification as well as method and device for modulating and demodulating the same
12/24/2008CN101330484A Method for distributing mixed resource base on OFDM system and denoting signaling of the system
12/24/2008CN101330483A Synchronization method and apparatus for digital audio broadcast receiver
12/24/2008CN101330482A Method for implementing rapid channel estimation using FWT in DMB-T system
12/24/2008CN101330461A Method for implementing frequency spectrum cavity-pocket efficient utilization based on existing honeycomb communication signaling transmission
12/24/2008CN101330361A Method and apparatus for detecting signal of multi-code multi-transmission multi-receiving system
12/24/2008CN101330357A Method for feedback of channel condition information and net element equipment
12/24/2008CN101330346A Method and apparatus for processing control signaling information
12/24/2008CN101330321A Method and device for assigning reference signal sequences in mobile communications system
12/24/2008CN101330316A Time synchronization method and device for up link of wireless communication system
12/24/2008CN101330315A Method and apparatus for capturing frequency correction channel as well as method and apparatus for estimating frequency deviation
12/24/2008CN101330307A Method and apparatus for transmitting rank indication information, receiving method and device thereof
12/24/2008CN101330306A Method for transmitting rank indication information
12/24/2008CN101330296A Receiver used in spread spectrum communication system
12/24/2008CN101330279A Automatic gain control circuit, receiving apparatus and automatic gain control method
12/24/2008CN100446559C Framing method of isomorphic data in two domains in use for ground digital TV transmission system
12/24/2008CN100446453C Communication method for distributed multi-input muti-output orthogonal frequency division multiplexing communication system
12/24/2008CN100446437C Sliding window
12/24/2008CN100446436C Improved signal detection in a direct-sequence spread spectrum transmission system
12/24/2008CN100446410C Method and device for detecting and processing signal waves
12/24/2008CA2829696A1 Adaptive transport format uplink signaling for data-non-associated feedback control signals
12/24/2008CA2691989A1 Simultaneous cell group and cyclic prefix detection method, apparatus and system
12/24/2008CA2689496A1 Method and apparatus of hybrid burst mapping in ofdma systems
12/24/2008CA2689432A1 Control channel format indicator frequency mapping
12/23/2008US7469414 Fast and reliable data carrier detection by a cable modem in a cable television plant
12/23/2008US7469128 Wideband digital radio with transmit modulation cancellation
12/23/2008US7469028 Asymmetrical digital subscriber line system
12/23/2008US7469027 Symbol timing search algorithm
12/23/2008US7469025 Decision feedback transceiver for multichannel communication system
12/23/2008US7469023 Manchester code delta detector
12/23/2008US7469022 Methods and apparatus for symmetrical phase-shift keying
12/23/2008US7469019 Optimization technique for layered modulation
12/23/2008US7469018 Apparatus, and associated method, for forming a signal exhibiting space-time redundancy
12/23/2008US7469017 Multimodulation transmitter
12/23/2008US7469013 Intelligent adaptive modulation in a multiple input multiple output (MIMO) wireless communications system
12/23/2008US7468962 Method and apparatus for antenna selection using channel response information in a multi-carrier system
12/23/2008US7468961 System, apparatus, and method for radio communication using a plurality of carriers
12/23/2008US7468943 Transmission/Reception apparatus and method in a mobile communication system
12/23/2008US7468601 Direct phase and frequency demodulation
12/18/2008WO2008154607A1 Method of downlink resource allocation in a sectorized environment
12/18/2008WO2008154506A1 Hierarchical modulation for communication channels in single-carrier frequency division multiple access
12/18/2008WO2008154227A1 A method and apparatus for transmission from multiple base stations over wireless radio networks
12/18/2008WO2008153479A2 Method and apparatus for controlling multi-antenna transmission in a wireless communication network
12/18/2008WO2008153350A1 Method of transmitting control signals in wireless communication system
12/18/2008WO2008152930A1 Measuring device and program
12/18/2008WO2008152596A2 System and method of transmitting and receiving an ofdm signal with reduced peak -to -average power ratio using dummy sequence insertation
12/18/2008WO2008152304A2 Method of synchronizing a multicarrier signal, corresponding emission method, devices and computer programs
12/18/2008WO2008152181A1 Coping with distortion caused by wideband noise
12/18/2008WO2008152038A1 Method for data transmission within a communication system, subscriber and communication system
12/18/2008WO2008151518A1 The method and device for detecting information in the ofdm system
12/18/2008WO2008129403A3 Frequency domain packet scheduling under fractional load
12/18/2008WO2008120402A8 Method of demapping data symbols for decoding in a wired communication system
12/18/2008WO2008103317A3 Precoded pilot transmission for multi-user and single user mimo communications
12/18/2008WO2008088958A3 Airlink management in a wireless broadcast system
12/18/2008WO2008085721A3 Method and system for transmitting data streams via a beamformed mimo channel
12/18/2008US20080311920 Methods and Apparatus for Balancing Modulation in Cellular Communications Over Noisy Channels
12/18/2008US20080310561 Simplified rach preamble detection receiver
12/18/2008US20080310560 Apparatus for Estimating Phase Offset of Multiple Survival Paths and Digital Wired/Wireless Communication System Using the Same
12/18/2008US20080310559 Gain control for reduced interframe spacing (RIFS)