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)
08/2009
08/20/2009US20090207950 Modulation scheme estimation apparatus and method
08/20/2009US20090207949 Transmitter identification information signal detection apparatus and method
08/20/2009US20090207948 Receiving apparatus
08/20/2009US20090207947 Efficient Diversity Combining for Wideband Downlink
08/20/2009US20090207946 Grouping bits interleaving apparatus and method thereof
08/20/2009US20090207945 Wireless receiver
08/20/2009US20090207944 Communications device and related method that detects symbol timing
08/20/2009US20090207943 Semiconductor Circuit Device
08/20/2009US20090207942 Embedded Multimedia System and Related Digital Audio Broadcasting Demodulator
08/20/2009US20090207941 Delay-Based Modulation of RF Communications Signals
08/20/2009US20090207934 Encoding/Decoding of Digital Signals, Especially in Vector Quantization With Permutation Codes
08/20/2009US20090207933 Encoding/Decoding of Digital Signals, Especially in Vector Quantization With Permutation Codes
08/20/2009US20090207932 Wireless communication apparatus with a plurality of antenna elements
08/20/2009US20090207929 Communication method, and transmitting apparatus and receiving apparatus using that communication method
08/20/2009US20090207928 Training symbol format for adaptively power loaded MIMO
08/20/2009US20090207927 Receiving apparatus
08/20/2009US20090207926 Orthogonal frequency division multiplexing using subsymbol processing
08/20/2009US20090207925 Wireless communication system, OFDM communication apparatus and method thereof
08/20/2009US20090207924 Non-intrusive method and system for coupling powerline communications signals to a powerline network
08/20/2009US20090207923 Time domain symbols
08/20/2009US20090207921 Apparatus and method to communicate information within a data storage library
08/20/2009US20090207899 Equalizer training method using re-encoded bits and known training sequences
08/20/2009US20090207898 Method applied to an equalizer for reducing isi and related isi reduction apparatus
08/20/2009US20090207891 Multipath detection for received sps signal
08/20/2009US20090207888 Transmission Apparatus, Transmission Method, Reception Apparatus, Reception Method, and Transmission System
08/20/2009US20090207887 Apparatus and method for transmitting feedback information in broadband wireless access system
08/20/2009US20090207885 Delay estimation apparatus and method
08/20/2009US20090207851 Resource block scheduling in communication networks
08/20/2009US20090207836 Transmission method and apparatus
08/20/2009US20090207829 Communications Systems
08/20/2009US20090207827 High data throughput wireless local area network receiver
08/20/2009US20090207822 Method for transmitting and receiving signals using collaborative MIMO scheme
08/20/2009US20090207793 ACKNAK Repetition Schemes in Wireless Networks
08/20/2009US20090207784 Rank feedback method for multiple-input multiple-output transmission
08/20/2009US20090207768 Optimal cross-layer scheduling for multi-user communication systems with imperfect channel state information and unknown interference
08/20/2009US20090206925 Receiving circuit and method for receiving an amplitude shift keying signal
08/20/2009DE102004036896B4 Verfahren zum Verbessern der Auflösung von Zeitmessungen und der Synchronisation in Paketnetzwerken durch Zeitmodulation A method for improving the resolution of time measurement and synchronization in packet networks by time modulation
08/19/2009EP2091198A2 MIMO-OFDM transmission with PAPR control and linear precoding
08/19/2009EP2091197A1 Method and device for detecting a GSM channel of interest
08/19/2009EP2091196A1 Method and apparatus for DSL comunication
08/19/2009EP2091195A1 Method and apparatus for determining a sub-frame configuration
08/19/2009EP2091194A1 Single carrier frequency division multiple access technique
08/19/2009EP2091160A1 Efficient sleep mode operation for OFDMA systems
08/19/2009EP2090051A2 Method and apparatus for generating data packets for transmission in an ofdm communication system
08/19/2009EP2090050A1 Method and apparatus of establishing a synchronisation signal in a communication system
08/19/2009EP2090049A1 Amplitude-differential phase shift keying modulation apparatus and method
08/19/2009EP2090047A1 Improving performance in a time-frequency interleaved orthogonal frequency division multiplexing system
08/19/2009EP2090011A2 Sub-band dependent resource management
08/19/2009EP2090010A1 Adaptive modulation and coding in a sc-fdma system
08/19/2009EP2090005A2 Method and apparatus for packet detection in a wireless communications system
08/19/2009EP1980030A4 Method for improved synchronization and information transmission in a communication system
08/19/2009EP1884096B1 Frequency division multiple access for wireless communication
08/19/2009EP1820313B1 Communication device identification
08/19/2009EP1256222B1 System and method for near optimal joint channel estimation and data detection for cofdm systems
08/19/2009CN201294546Y Device of multi-carrier system for reducing peak-to-average power ratio
08/19/2009CN201294514Y Video digital modulation capable of restraining minor lobe and antenna drive circuit
08/19/2009CN101513113A Wireless communication system, mobile station apparatus and random access method
08/19/2009CN101513094A Method and apparatus for providing channel quality feedback in a wireless communication system
08/19/2009CN101513059A Method, device and system of encrypted wireless communication
08/19/2009CN101513003A Phase-to-frequency conversion for polar transmitters
08/19/2009CN101513002A Method and apparatus for frequency reuse in wireless communication system
08/19/2009CN101513001A Signaling transmission with localized spreading for wireless communication
08/19/2009CN101513000A Data allocation in OFDM based on detected interference level
08/19/2009CN101512999A Apparatus for estimating time offset in multiple input multiple output communication system of OFDM or ofdma and method using the same
08/19/2009CN101512998A Detection of time-frequency frequency-hopping pattern
08/19/2009CN101512946A Enhanced channel estimation for communication system receiver
08/19/2009CN101512943A Transfer method, transfer system, transmitter apparatus and receiver apparatus
08/19/2009CN101512928A Transmission method and apparatus
08/19/2009CN101512895A Amplifier architecture for polar modulation
08/19/2009CN101512890A System and method for controlling DC motor
08/19/2009CN101510869A Method and apparatus for estimating integer frequency bias
08/19/2009CN101510868A Method for mapping reference signal and physical resource block
08/19/2009CN101510867A Method and apparatus for sending synchronization signal
08/19/2009CN101510866A Method, apparatus and transmitter for restraining signal peak-equal power ratio
08/19/2009CN101510865A Data processing device and method
08/19/2009CN101510864A Wireless communication system, OFDM communication apparatus and method thereof
08/19/2009CN101510863A Method for recognizing MPSK modulation signal
08/19/2009CN101510862A Method and system for generating ultra-chaos signal
08/19/2009CN101510861A Equilibrium demodulation method, device and system of mobile communication
08/19/2009CN101510799A Wireless communication device and wireless communication method
08/19/2009CN100531178C Receiver, demodulator and communication method
08/19/2009CN100531177C Carrier interference noise ratio estimation method and system
08/19/2009CN100531176C Averaging circuit for enhancing channel estimation in receptor and compensating frequency offset residue
08/19/2009CN100531175C Interpose module,interposer and its method
08/19/2009CN100531174C Resource distribution between multi-carrier systems with frequency duplex factor as one
08/19/2009CN100531173C Transmitting/receiving apparatus and corresponding method for a communication network
08/19/2009CN100531172C Method for reducing count complex rate when OFDM and STBC connection
08/19/2009CN100531171C Digital broadcast receiving apparatus and receiving method
08/19/2009CN100531170C Automatic gain control method and device in WLAN system
08/19/2009CN100531169C Apparatus and method for frequency generation in mobile communication system
08/19/2009CN100531168C IQ imbalance compensation and device of using same and receiver
08/19/2009CN100531167C Method and system for wireless communication networks using relaying
08/19/2009CN100531165C Two-wire data communication method and system, controller and data recording equipment
08/19/2009CN100531163C Equalizer, equalizing method and emitter
08/19/2009CN100531161C Associated semi-blind channel estimating and data detecting method based on superimposed pilot and its device
08/19/2009CN100531059C State synchronous system and method
08/19/2009CN100531024C Method of reducing the variance of a signal-to-noise ration estimate for a signal with differential phase and coherent amplitude modulation
08/19/2009CN100531020C Method for realizing pilot frequency in wireless communication system
08/19/2009CN100531009C Base station apparatus and method for controlling transmission assignment
08/19/2009CN100531004C Communication apparatus
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