Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2013
07/17/2013CN101933299B Fsk receiver
07/17/2013CN101926141B Acquisition of timing information in wireless communication systems
07/17/2013CN101895509B Multicarrier multi-input and multioutput transmission
07/17/2013CN101843069B Uplink synchronization method, cellular OFDMA system and base station
07/17/2013CN101843002B Differential channel quality reporting
07/17/2013CN101826953B Data transmission method and data transmission apparatus
07/17/2013CN101789925B Methods and systems to estimate channel frequency response in multi-carrier signals
07/17/2013CN101682606B Method for calibrating sub-carrier of radio signal and communication device
07/17/2013CN101682396B Method and system for reducing adjacent channel interference using time division duplex (TDD)
07/17/2013CN101594224B Transmission device and method for transmitting signal in multi-carrier systems
07/17/2013CN101507217B Channel quality assessment method in OFDM(A) communications and a corresponding system
07/17/2013CN101483629B Transmitting apparatus and method, and receiving apparatus and method
07/17/2013CN101461201B Fast in-phase and quadrature imbalance calibration method and device
07/17/2013CN101444058B Method and apparatus for distributing multi-carrier
07/17/2013CN101322330B Method for providing sub-channel assignment for relay node, and the relay node
07/17/2013CN101273600B Multicarrier transmitter for multiple-input multiple-output communication systems and methods for puncturing bits for pilot tones
07/16/2013US8489970 Iterative PRBS seed recovery using soft decisions
07/16/2013US8489134 System and method for providing presence based trunking in a network environment
07/16/2013US8488723 Device and method for detecting timing synchronization
07/16/2013US8488721 Adaptive QRD-M algorithm based signal detecting method by using constellation set grouping in spatial multiplexing multiple-input multiple-output system
07/16/2013US8488719 Wireless communications device with multiple demodulators and related methods
07/16/2013US8488718 Correction of distortions in an emission chain
07/16/2013US8488717 Digital broadcasting system and method of processing data
07/16/2013US8488716 Transmitting system and method of processing digital broadcast signal in transmitting system, receiving system and method of receiving digital broadcast signal in receiving system
07/16/2013US8488715 Destuff circuit and transmission device
07/16/2013US8488714 Hierarchical modulating method and transmitter performing hierarchical modulation
07/16/2013US8488713 Information processing apparatus, encoding method and signal transmission method
07/16/2013US8488712 Systems and methods for enhanced channel estimation in wireless communication systems
07/16/2013US8488711 Geometry based efficient decoder for underdetermined MIMO systems and decoding method thereof
07/16/2013US8488706 Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
07/16/2013US8488700 Discrete digital receiver with sample memory
07/16/2013US8488698 Frame synchronization method and apparatus
07/16/2013US8488693 Wireless communication systems and methods using reference signals
07/16/2013US8488692 Radio transmission device and radio transmission method
07/16/2013US8488691 Adaptive loading for orthogonal frequency division multiplex (OFDM) communication systems
07/16/2013US8488690 Channel estimation
07/16/2013US8488688 Communication method and radio transmitter
07/16/2013US8488687 Weighting circuit for a multi-carrier signal receiver
07/16/2013US8488686 Communication channel calibration with nonvolatile parameter store for recovery
07/16/2013US8488667 DTV transmitter and method of coding data in DTV transmitter
07/16/2013US8488650 Pre-phase error correction
07/16/2013US8488520 Adaptive modulation and coding
07/16/2013US8488503 Magnetic field communication method for managing node with low power consumption
07/16/2013US8488034 Imaging device and camera system including sense circuits to make binary decision
07/16/2013CA2714748C Transmitter/receiver and data transmission/reception method in communication system
07/16/2013CA2605657C Hybrid orthogonal frequency division multiple access system and method
07/16/2013CA2525805C Interference and noise estimation in an ofdm system
07/11/2013WO2013103620A1 Systems and methods for managing on-time of wireless receivers
07/11/2013WO2013058692A3 Power reduction for correlated carriers in a cellular communication system
07/11/2013WO2013025820A3 Long range wlan data unit format
07/11/2013WO2012064154A9 Uplink control information transmitting/receiving method and device in a wireless communication system
07/11/2013US20130177324 Sending/receiving system, sending/receiving method, and non-transitory computer-readable medium
07/11/2013US20130177112 Automatic gain control in a communications system
07/11/2013US20130177111 Apparatus and method for performing automatic frequency control
07/11/2013US20130177106 Multiple functional equivalence digital communications interface
07/11/2013US20130177105 Method and system for estimating and compensating non-linear distortion in a transmitter using calibration
07/11/2013US20130177104 Orthogonal multi-rate modulation device and method
07/11/2013US20130177093 Apparatus and method for transmitting data using a plurality of carriers
07/11/2013US20130177089 Method of performing peak reduction and clipping mitigation
07/11/2013US20130177088 Detection of a packet type in a communications system
07/11/2013US20130177065 Method and Apparatus for a Robust Fractionally Spaced Equalizer
07/11/2013US20130177058 Method And Apparatus To Track Gain Variation In Orthogonal Frequency Division Multiplexing (OFDM)Systems
07/11/2013US20130176965 Wireless communication method and transmission apparatus
07/11/2013DE112011102523T5 Verfahren und Vorrichtung zur Übertragung von Steuerinformation in einem drahtlosen lokalen Netzwerk mit Mehrkanal-Nutzung Method and apparatus for transmitting control information in a wireless local area network with multi-channel use
07/11/2013DE102007018708B4 Offset-Frequenz-Schätzverfahren und-vorrichtung Offset frequency estimation method and device-
07/10/2013EP2613489A1 Muros modulation using linear baseband combinations with linear gaussian pulse shaping for two users of one timeslot used by non-darp and darp remote stations
07/10/2013EP2613488A2 Adaptive equalization method and adaptive equalizer
07/10/2013EP2613469A2 Method and device for relay node retransmitting backhaul uplink to base station in a wireless communication system
07/10/2013EP2613466A2 Apparatus and method for transmitting a pilot signal in a BWA communication system using transmit antennas
07/10/2013EP2613456A2 Method and communication device for handling time offsets between communication device and transmission points
07/10/2013EP2613452A1 Digital filter device, digital filtering method, and control program for digital filter device
07/10/2013EP2613443A1 Data processing device and data processing method
07/10/2013EP2612479A1 Guard interval signaling for data symbol number determination
07/10/2013EP2612478A1 Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction
07/10/2013EP2612477A2 Adaptation circuitry and methods for decision feedback equalizers
07/10/2013EP2612459A1 Method and arrangement for resource allocation for coded multidirectional relaying
07/10/2013CN103201994A Methods and systems for programmable digital down-conversion
07/10/2013CN103201993A Base station, communication system, and control method for transmission directionality at the base station
07/10/2013CN103201992A Soft value generation using serial localization with indecision
07/10/2013CN103200700A Wiring-free indoor Wi-Fi access system based on power line carrier communications
07/10/2013CN103200564A Global system for mobile communications (GSM) voice encryption system and encryption method based on orthogonal frequency division multiplexing (OFDM)
07/10/2013CN103200145A Orthogonal frequency division multiplexing (OFDM) transmitter implementing method based on DDS principle
07/10/2013CN103200144A Synchronizing method used for MIMO-OFDM system
07/10/2013CN103200143A Bit soft information generating method for 16APSK and 32APSK
07/10/2013CN103200142A Two-state simplified method of non-recursive shaped offset quadrature phase shift keying (SOQPSK)-TG signal
07/10/2013CN103200139A OFDM signal bandwidth blind estimating method
07/10/2013CN103200138A Noise variance estimation method
07/10/2013CN103199988A Two-dimensional complex number chaotic system
07/10/2013CN103199952A Service data transmission method in communication receiver and service data transmission module
07/10/2013CN103199945A Recognition method for cognizing radio signal modulation modes under low-signal-to-noise-ratio condition
07/10/2013CN103199891A WTRU and method of enabling multi band transmission
07/10/2013CN102271115B Anti-noise transmission method of digital broadcasting mobile signals
07/10/2013CN102263765B Robust transmission method of digital broadcast mobile signals
07/10/2013CN102196536B Method for realizing signal scanning and analysis by utilizing base station
07/10/2013CN102170325B Modulation method based on multiple-input multiple-output wireless communication system
07/10/2013CN102143116B Orthogonal frequency division multiplexing (OFDM) signal cyclostationarity-based blind signal to noise ratio estimation method
07/10/2013CN102111369B Apparatus and method for inter-subcarrier interference cancellation
07/10/2013CN102075474B Channel state tracking method based on training sequence
07/10/2013CN102075470B (Gauss) frequency shift keying ((G)FSK) digital demodulation device and method
07/10/2013CN102065053B Communication device based on multiple-carrier transmission mode
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