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)
12/2012
12/05/2012CN102811091A Visible light communication-based broadband access device and method
12/05/2012CN102810087A Device for realizing Fourier transform
12/05/2012CN101998652B Data transceiving method and equipment on relay return link
12/05/2012CN101986632B Correlation delay-differential chaos shift keying-based modulation communication method
12/05/2012CN101980493B Method for realizing 2.4GHz digital baseband signal demodulation of wireless sensor network
12/05/2012CN101958872B Method for searching best carrier frequency offset correction value
12/05/2012CN101925170B Frequency control device and automatic frequency control method thereof
12/05/2012CN101924605B Double-hop cooperative transporting method based on physical-layer network coding
12/05/2012CN101902432B Method for establishing and optimizing fully-complementary sequence in orthogonal MIMO radar system
12/05/2012CN101815042B Orthogonal frequency division multiplexing (OFDM) system channel estimation method and device
12/05/2012CN101808060B Method and device for processing frequency deviation
12/05/2012CN101795246B Method and device for estimating channel
12/05/2012CN101771644B Joint detection and soft decision decoding-based signal receiving method
12/05/2012CN101682608B Method of demapping data symbols for decoding in a wired communication system
12/05/2012CN101635786B Digital broadcasting transmission/reception system and signal processing method thereof
12/05/2012CN101635695B Method and device for determining maximum multipath time delay
12/05/2012CN101631098B Method and device for acquiring synchronizing signal and determining starting point
12/05/2012CN101621493B Decision method for estimating frequency deviation of OFDM
12/05/2012CN101606367B Method of synchronizing multi-carrier systems and multi-carrier system
12/05/2012CN101577572B Resource multiplexing method for multiple input multiple output-orthogonal frequency division multi (MIMO-OFDM) system
12/05/2012CN101515913B Fixed loop control method based on additions and shifts
12/05/2012CN101473618B Method and equipment for estimating carrier frequency offset
12/05/2012CN101437004B IQ data transmission method
12/05/2012CN101425874B Data detection and demodulation for wireless communication systems
12/05/2012CN101385252B Band limit method and radio communication system
12/05/2012CN101252398B Spread-spectrum signal source with Doppler analogue function
12/05/2012CN101213808B Method for using a symbol mapper using a symbol mapping scheme to generate modulation symbols according to a different symbol mapping scheme and a method for generating a symbol mapping scheme
12/04/2012US8326905 Transversal filter circuit with a plurality of delay units, multiplexers, and full adders suited for a smaller decision feedback equalizer
12/04/2012US8325865 Discrete digital receiver
12/04/2012US8325856 Coherent initial acquisition
12/04/2012US8325855 Iterative receiver and iterative decoder
12/04/2012US8325854 Techniques for communicating over single-or multiple-antenna channels having both temporal and spectral fluctuations
12/04/2012US8325853 Fully digital frequency locked loop/phase locked loop method and system having a short locking time
12/04/2012US8325852 CDD precoding for open loop SU MIMO
12/04/2012US8325849 Transmitting system and method of processing broadcast data in the transmitting system
12/04/2012US8325848 Peak detector having extended dynamic range
12/04/2012US8325847 Method and apparatus for efficient storage of training sequences for peak to average power constrained modulation formats
12/04/2012US8325845 Constellation rearrangement for ARQ transmit diversity schemes
12/04/2012US8325838 Communication method and radio transmitter
12/04/2012US8325836 Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
12/04/2012US8325835 Non-continuous orthogonal frequency division multiplexing system and control method of non-continuous orthogonal frequency division multiplexing system
12/04/2012US8325834 Signal component demultiplexing apparatus, filter apparatus, receiving apparatus, communication apparatus, and communication method
12/04/2012US8325833 Interlaced symbol constellation mapping for wireless communication
12/04/2012US8325832 Analog multi-tone receiver
12/04/2012US8325829 High data rate transmission in a multi band OFDM system
12/04/2012US8325827 Transmitting device, receiving device and communication method for an OFDM communication system with new preamble structure
12/04/2012US8325788 Precoding signaling in a MIMO wireless communication system
12/04/2012US8325787 Precoding signaling in a MIMO wireless communication system
12/04/2012US8325759 System and method for carrying a wireless based signal over wiring
12/04/2012US8325751 Mixed hardware/software architecture and method for processing communications
12/04/2012US8325693 System and method for carrying a wireless based signal over wiring
12/04/2012US8325592 Communication device, mobile station, and communication method
12/04/2012US8325590 OFDM communications system
12/04/2012US8324963 Demodulation circuit
12/04/2012CA2717675C Systems and methods of synchronizing ring tone cycles and delivery of dtmf tones
12/04/2012CA2665713C Maximizing power and spectral efficiencies for layered and conventional modulations
12/04/2012CA2603536C System and methods of communicating over noisy communication channels
12/04/2012CA2601657C Method and apparatus for characterizing modulation schemes in a hfc network
12/04/2012CA2547112C Method and apparatus for providing an efficient control channel structure in a wireless communication system
11/2012
11/29/2012WO2012162002A1 Adaptive channel tracking using peak fade depth estimation over a slot
11/29/2012WO2012161550A2 Method for transceiving downlink control information in a wireless access system and apparatus therefor
11/29/2012WO2012161533A2 Method for transmitting control information and apparatus therefor
11/29/2012WO2012161079A1 Reception device, transmission device, and wireless communications method
11/29/2012WO2012161031A1 Receiving device and receiving method
11/29/2012WO2012159498A1 Method for transmitting instruction information, method for receiving instruction information, and apparatuses and systems thereof
11/29/2012WO2012159421A1 Phase compensation device and method for pilot signal of lithium niobate modulator
11/29/2012WO2012159408A1 Modulation and coding manner processing method and device
11/29/2012WO2012159407A1 Method and apparatus for signal detection
11/29/2012WO2012159289A1 Method, receiver, transmitter and communication system for suppressing out-of-band radiation
11/29/2012WO2012122252A3 Generation of soft bit metrics for differentially encoded quadrature phase shift keying (qpsk)
11/29/2012US20120304034 Edge incremental redundancy memory structure and memory management
11/29/2012US20120300886 Methods for early termination of reception of a bit stream
11/29/2012US20120300885 System and/or method for reducing ambiguities in received SPS signals
11/29/2012US20120300883 Demodulation circuit, demodulation method and receiving apparatus
11/29/2012US20120300881 Receiving apparatus
11/29/2012US20120300880 Method and system for receiving radio stations
11/29/2012US20120300879 High Bandwidth Modulation and Transmission
11/29/2012US20120300876 Quadrature modulator, signal generating device, and quadrature modulation method
11/29/2012US20120300875 Apparatus for and method of transmitting high efficiency variable power
11/29/2012US20120300874 Sounding packet format for long range wlan
11/29/2012US20120300872 In-band data communication system using wireless power
11/29/2012US20120300871 Wireless device with extendable antenna
11/29/2012US20120300870 Radio transmitter system and method
11/29/2012US20120300869 Automatic frequency control circuit
11/29/2012US20120300866 Simultaneous transmission of signals, such as orthogonal-frequency-division-multiplexed (ofdm) signals, that include a same frequency
11/29/2012US20120300864 Channel estimation based on combined calibration coefficients
11/29/2012US20120300863 Transmission device, reception device, communication system, and communication method
11/29/2012US20120300862 Method and device for mono- and multi-antenna reception for alamouti-type links
11/29/2012US20120300861 Forward error correction (FEC) m-bit symbol modulation
11/29/2012US20120300858 Method And Apparatus Of Switched Amplification Having Improved Efficiency
11/29/2012US20120300831 Methods for performing adaptive equalization and associated apparatus
11/29/2012US20120300830 Equaliser for wireless receivers with normalised coefficients
11/29/2012US20120300829 Adaptively switching equalization operations in a node of a wireless network
11/29/2012US20120300828 Transmission system with isi channel and method of operating thereof
11/29/2012US20120300793 Apparatus and method of transmitting preamble having additional information in differential modulation packet data communication
11/29/2012US20120300691 Integrated multi-datastream transmission technology
11/29/2012DE112010004164T5 Drahtloskommunikationssystem, basis-stations-vorrichtung, mobil-stations-vorrichtung, drahtloskommunikationsverfahren und integrierte schaltung Wireless communication system, base station apparatus, mobile station apparatus, wireless communication method and integrated circuit
11/29/2012DE102012009444A1 Chirp-Übermittlungen Chirp transfers
11/29/2012DE102009035524B4 Verfahren zur Erkennung eines oder mehrerer Nutzsignale innerhalb eines Quellsignals A method for detecting one or more useful signals within a source signal
11/29/2012CA2831983A1 Adaptive channel tracking using peak fade depth estimation over a slot
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