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)
10/2009
10/14/2009CN101558621A Method and apparatus for transmitting and receiving a packet via high speed downlink packet access
10/14/2009CN101558620A A method of utilizing and manipulating wireless resources for efficient and effective wireless communication
10/14/2009CN101558587A Light reception device and light reception method
10/14/2009CN101558571A Jammer detection and suppression for wireless communication
10/14/2009CN101557643A Method and system of radio resource allocation
10/14/2009CN101557640A Low-complexity power control method based on discontinuous carrier OFDM system
10/14/2009CN101557503A Electrical power emergency repair emergency command wireless video audio monitoring system
10/14/2009CN101557378A Method for pilot transmitting, channel estimation and noise power estimation in OFDM system
10/14/2009CN101557377A Method, device and system for calculation of pre-filtering coefficient and interference suppression
10/14/2009CN101557376A Method and device for generating windowing subband waveform
10/14/2009CN101557375A Wireless transmission method based on sub-band and device thereof
10/14/2009CN101557374A Large frequency deviation detecting method of DTMB receiving system
10/14/2009CN101557373A Method and device for transmitting and receiving signals based on subbands
10/14/2009CN101557372A Subband waveform generation method and device
10/14/2009CN101557371A Method for determining pilot frequency pattern for mobile terminal in base station of multi-carrier MIMO system
10/14/2009CN101557370A Integer frequency swing estimating method of orthogonal frequency division multiplexing system
10/14/2009CN101557369A Method for empty symbol and pattern discrimination and frame synchronization of DAB system
10/14/2009CN101557366A Channel estimation method based on orthogonal frequency division multiplexing system
10/14/2009CN101557363A Channel estimation methods based on decision feedback in shortwave narrowband FFH/BFSK system
10/14/2009CN101557362A Channel estimating method of polar coordinate system suitable to OFDM system
10/14/2009CN101557284A Method and device for transmitting and receiving wireless signal
10/14/2009CN101557266A Method and system for realizing IP data package transmission based on CMMB channel
10/14/2009CN101557240A Method and device for frequency deviation estimation in mobile communication system
10/14/2009CN100551130C Detection method and apparatus
10/14/2009CN100551111C Single frequency network planning method based on orthogonal frequency division multiplexing technology
10/14/2009CN100551061C Signal transmission method and system of hand mobile digital multimedia transmission system
10/14/2009CN100551022C Digital broadcast transmitting and receiving system having an improved receiving performance and signal processing method thereof
10/14/2009CN100550877C Method and apparatus for adjusting the phase of a received signal
10/14/2009CN100550876C Telecommunication system transceiver in transform domain and its realization method
10/14/2009CN100550875C Synchronous method in radio system of orthogonal frequency division multiplex technology
10/14/2009CN100550874C Method and apparatus of detecting ICSI in an OFDM system
10/14/2009CN100550873C Communication transmitter using offset phase-locked-loop
10/14/2009CN100550872C Communicaiton system and method
10/14/2009CN100550871C Transmitting and identifying a modulation type in digital communication systems by way of a phase rotation factor applied to a training sequence
10/14/2009CN100550870C Broadband predistortion linearization method and system
10/14/2009CN100550821C Self adaptable jitter caching method for eliminating IP speech data jitter
10/14/2009CN100550702C Direct conversion receiver
10/14/2009CN100550685C Method and system for realizing down link self adaption in multiple users multiple input and multiple output system
10/14/2009CN100550669C Direct sequence spread spectrum communication device and its method
10/14/2009CN100550604C Transmission circuit for generating modulating wave signal and communication equipment comprising the circuit
10/13/2009USRE40936 Communication system
10/13/2009US7602870 Symbol timing estimation in communication systems
10/13/2009US7602865 Apparatus and method for enhancing a reception rate of a receiver
10/13/2009US7602864 Method and apparatus for predicting CCK subsymbols
10/13/2009US7602863 Method and apparatus for providing iterative timing recovery
10/13/2009US7602860 Method and system for decoding multilevel signals
10/13/2009US7602859 Calibrating integrating receivers for source synchronous protocol
10/13/2009US7602858 Digital transmitter
10/13/2009US7602857 Digital transmitter
10/13/2009US7602856 Mixer for mixing a signal and method for mixing a signal
10/13/2009US7602854 Method of receiving of OFDM signal having repetitive preamble signal
10/13/2009US7602853 Method and apparatus for channel estimation
10/13/2009US7602852 Initial parameter estimation in OFDM systems
10/13/2009US7602749 Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
10/13/2009US7602696 Adaptive guard intervals in OFDM systems
10/13/2009CA2505751C Correction of amplitude and phase imbalance in psk receivers
10/13/2009CA2274173C Method and apparatus for adaptive equalization in the presence of large multipath echoes
10/08/2009WO2009124093A1 Method and apparatus for synchronizing an encoder with a multiplexer
10/08/2009WO2009124088A1 Overlay modulaton of cofdm using phase and maplitude offset carriers
10/08/2009WO2009124065A1 Improving slow speed mute resistance via selective cofdm bin loading
10/08/2009WO2009123989A2 Apparatus and method for area and speed efficient fast fourier transform (fft) processoring with runtime and static programmability of number of points
10/08/2009WO2009123966A1 System and method for efficiently performing ifft and fft for orthogonal frequency division multiplexing (ofdm) communications signals
10/08/2009WO2009123959A1 Device and method for performing fast fourier transform (fft) for orthogonal frequency division multiplexing (ofdm) demodulation
10/08/2009WO2009123954A1 Device and method for efficiently performing ifft for orthogonal frequency division multiplexing (ofdm) modulation
10/08/2009WO2009123941A1 Apparatus and methods for tile and assignment processing
10/08/2009WO2009123915A1 Apparatus and methods for update of symbol information
10/08/2009WO2009123878A1 Return link time adjustments in fdd ofdma or sc-fdm systems
10/08/2009WO2009123861A1 Spatial mapping of an ofdm signal to reduce attenuation from an individual transmit antenna in a mimo transmitter
10/08/2009WO2009123515A1 Interference reduction in a communication network by scheduling and link adaptation
10/08/2009WO2009123397A1 Message-based approach for improved interference power estimation
10/08/2009WO2009121858A1 Circuit with iq imbalance correction for a quadrature receiver
10/08/2009WO2009121803A1 Dynamic resource assignment method and related module and devices
10/08/2009WO2009121294A1 System and method for scheduling variable bit rate (vbr) streams in a wireless communications system
10/08/2009WO2000042440A3 Method and apparatus for selectively controlling the quantum state probability distribution of entangled quantum objects
10/08/2009US20090254797 Iterative Signal Receiving Method and Related Iterative Receiver
10/08/2009US20090252264 Low-complexity digital radio interface
10/08/2009US20090252263 Estimating doppler frequency in isdb-t systems
10/08/2009US20090252262 Symmetric pilot processing for robust timing offset and frequency offset estimation in isdb-t and isdb-tsb receivers
10/08/2009US20090252261 System, Apparatus, and Method for Processing a Received Orthogonal Frequency Division Multiplexing Signal
10/08/2009US20090252260 Method for generating a reference signal sequence using grouping
10/08/2009US20090252259 Receiving device and receiving method
10/08/2009US20090252258 Pulse signal reception device, pulsed qpsk signal reception device, and pulse signal reception method
10/08/2009US20090252257 Mimo transmitter and method for transmitting an ofdm symbol in accordance with an ieee 802.11 communication standard over a plurality of spatial channels
10/08/2009US20090252256 Fast acquisition in mediaflo systems
10/08/2009US20090252254 Transmitter and receiver for frequency domain equalization
10/08/2009US20090252253 Digital broadcasting system and data processing method
10/08/2009US20090252252 Highly linear embedded filtering passive mixer
10/08/2009US20090252245 Transmission method and apparatus for cancelling inter-carrier interference
10/08/2009US20090252241 Spectral shaping for multiband OFDM transmitters with time spreading
10/08/2009US20090252240 Transmitting apparatus and method, and receiving apparatus and method in multple antenna system
10/08/2009US20090252239 Robust fine frequency and time estimation in medialflo system receivers
10/08/2009US20090252238 Re-acquisition of symbol index in the presence of sleep timer errors for mediaflo systems
10/08/2009US20090252237 Double layer maximum ratio combining for ofdm receiver design with inter-carrier-interference cancelling
10/08/2009US20090252216 Multidimensional decision-directed trained adaptive equalization
10/08/2009US20090252215 Sampled current-integrating decision feedback equalizer and method
10/08/2009US20090252214 Receiver
10/08/2009US20090252213 Selectable-Tap Equalizer
10/08/2009US20090252212 Method and apparatus for equalizing a high speed serial data link
10/08/2009US20090252210 Circuit arrangement, apparatus and process for the serial sending of data via a connection contact
10/08/2009US20090252206 Digital transceiver
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