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)
11/2010
11/18/2010US20100290570 Method and apparatus for channel estimation in ofdm
11/18/2010US20100290569 Post dft/fft time tracking algorithm for ofdm receivers
11/18/2010US20100290567 Processing method for providing, starting from signals acquired by a set of sensors, an aggregate signal and data acquisition system using such method
11/18/2010US20100290566 Wireless device
11/18/2010US20100290565 Constellation recovery for quadrature amplitude modulation
11/18/2010US20100290564 Reception device and reception method
11/18/2010US20100290563 Hybrid Radio Frequency Transmitter
11/18/2010US20100290562 Digital Compensation for Nonlinearities in a Polar Transmitter
11/18/2010US20100290561 Apparatus for transmitting and receiving a signal and method for transmitting and receiving a signal
11/18/2010US20100290560 Digital Broadcast Service Discovery Correlation
11/18/2010US20100290559 Radio transmitting device and radio transmitting method
11/18/2010US20100290558 Systems and methods for implementing receiver transparent q-mode
11/18/2010US20100290557 Method of transmitting reference signal and transmitter using the same
11/18/2010US20100290556 Radio signal transmission device, radio signal transmission method, radio signal reception device, radio signal reception method, and radio signal reception program
11/18/2010US20100290555 Signal emission by plural antennas
11/18/2010US20100290554 Single Carrier Waveform System with Frequency Domain Equalization
11/18/2010US20100290552 Wireless communication system, receiver, transmitter, wireless communication method, receiving method, and transmitting method
11/18/2010US20100290551 Method, apparatus and system for high-speed transmission on fiber optic channel
11/18/2010US20100290550 method, a transmitting station, a receiving station and a preamble structure for communicating a signal using analog beam steering
11/18/2010US20100290549 Method, System and Apparatus for Improving Throughput Performance of Space Division Multiple Access System
11/18/2010US20100290547 Generating channel estimates in a radio receiver
11/18/2010US20100290546 Systems and methods for designing a reference signal to be transmitted in a multiplexed cellular system
11/18/2010US20100290545 Ofdm transmission/reception device for transmitting and receiving ofdm symbols having a variable data transmission rate and method thereof
11/18/2010US20100290544 Base station, mobile station and method
11/18/2010US20100290543 Radio transmitting apparatus, radio receiving apparatus, and data placing method
11/18/2010US20100290514 Systems and Methods that Provide Frequency Domain Supplemental Training of the Time Domain Equalizer for DMT
11/18/2010US20100290511 Adaptive frequency selective baseband communications method using orthogonal codes
11/18/2010US20100290507 System and method for scrambling the phase of the carriers in a multicarrier communications system
11/18/2010US20100290449 Preamble extensions
11/18/2010US20100289965 Equalizer based symbol timing recovery with symbol enabled control
11/18/2010DE10360470B4 Verfahren und Vorrichtung zum Demodulieren eines Empfangssignals Method and apparatus for demodulating a received signal
11/17/2010EP2252027A1 Pilot and data transmission in a MIMO system applying subband multiplexing
11/17/2010EP2252026A2 Unified pulse shaping for multi-carrier and single-carrier waveforms
11/17/2010EP2252025A1 Method and appartus for receiving and decoding control information in a communication system
11/17/2010EP2252024A1 Swap tolerant coding and decoding circuits and methods
11/17/2010EP2251997A1 Wireless transmitter, wireless receiver, wireless communication system, and wireless transmission method
11/17/2010EP2251976A1 RF amplifier with digital filter for polar transmitter
11/17/2010EP2250801A1 Method and system for detecting non-linear devices
11/17/2010EP2250780A1 Methods and apparatus for synchronization and detection in wireless communication systems
11/17/2010EP2250779A1 Acquisition of timing information in wireless communication systems
11/17/2010EP2250778A2 Carrier frequency offset synchronizer for ofdm receiver and method
11/17/2010EP2250777A1 Phase control circuit and method for optical receivers
11/17/2010EP2250757A1 Distributed virtual resource block allocation for ofdma
11/17/2010CN201639719U Individual work bench of wireless digital emergency video transmission system
11/17/2010CN201639718U Vehicle-mounted station of wireless digital emergency video transmission system
11/17/2010CN201639603U Automatic Morse code resolver
11/17/2010CN1956358B Cell synchronous method based on access leading
11/17/2010CN1728694B RF receiver mismatches calibration system and method
11/17/2010CN101889417A Physical structure and design of sounding channel in OFDMA systems
11/17/2010CN101889250A Method and apparatus for synchronizing an encoder with a multiplexer
11/17/2010CN101888692A Downlink power control method and device
11/17/2010CN101888365A Multiple antenna multi-input multi-output transmission
11/17/2010CN101888364A Carrier synchronization processing method and device
11/17/2010CN101888363A Signal demodulation method in OFDM receiver and OFDM receiver
11/17/2010CN101888362A Circuit for detecting a predetermined symbol in a digital data stream and associated method
11/17/2010CN101888361A Method and device for processing peak-to-mean ratio
11/17/2010CN101888360A Method, device and related system for transmitting random access signals
11/17/2010CN101888359A Multi-address access system based on TDS-OFDM (Time-Domain Synchronous Orthogonal Frequency Division Multiplexing) as well as signal frame structure and receiving method thereof
11/17/2010CN101888358A Transmission method for reducing computational complexity of two-way relay nodes based on network coding
11/17/2010CN101888354A Method and device for estimating channel
11/17/2010CN101888353A Method for estimating carrier frequency offset in multi-cell OFDMA downlink
11/17/2010CN101888351A Channel estimating apparatus and method thereof
11/17/2010CN101888350A Noise energy estimation method and related method thereof
11/17/2010CN101887113A Signal structure integrating navigation and communication
11/17/2010CN101562897B Method for determining a random access leading sequence response transmit window as well as device and system thereof
11/17/2010CN101316158B Additive waveshape pretreatment method in digital communication modulation
11/17/2010CN101252568B Frequency domain direct sequence spread-spectrum and fractional number Fourier field csep signal spread-spectrum transmitting method
11/17/2010CN101222313B Data emission, transmission method and equipment for multi-carrier mobile multimedia broadcasting system
11/17/2010CN101137233B Preamble code for identifying mobile stations in a wireless communication network
11/17/2010CN101127746B Device and method for producing chaos signal
11/16/2010USRE41931 Receiver module and receiver formed from several cascaded modules
11/16/2010US7836471 Apparatus for receiving satellite DMB and method thereof
11/16/2010US7835702 Calculating a diversity parameter adjustment according to previously applied diversity parameter adjustments
11/16/2010US7835696 Adaptive subcarrier loading
11/16/2010US7835524 Encrypting of communications using a transmitting/receiving apparatus via key information based on a multi-level code signal and a pseudo-random number sequence for modulation with an information signal
11/16/2010US7835476 Method for receiving OFDM signal, and receiver
11/16/2010US7835474 System and method for improved noise immunity in impulse and radar communications systems
11/16/2010US7835473 Method of determining a metric for evaluating the transmission quality of a data frame transmitting by a communication system
11/16/2010US7835472 Method of testing remote power line carrier pick-up coil with a sweep wave
11/16/2010US7835471 Method of testing remote power line carrier pick-up coil with a single test frequency
11/16/2010US7835470 Data slicer reference generator for multiple burst data signals
11/16/2010US7835468 Impulse detection and reduction in a frequency modulation radio receiver
11/16/2010US7835467 DC offset correction for high gain complex filter
11/16/2010US7835465 ADC architecture for wireless applications
11/16/2010US7835464 Digital signal receiver with Q-monitor
11/16/2010US7835462 Correction circuit
11/16/2010US7835461 Low power radio transmitter using pulse transmissions
11/16/2010US7835460 Apparatus and methods for reducing channel estimation noise in a wireless transceiver
11/16/2010US7835459 System and method for adapting to a change in constellation density while receiving a signal
11/16/2010US7835457 Demodulating a signal having multiple frequency bands
11/16/2010US7835456 Spur mitigation techniques
11/16/2010US7835455 Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter
11/16/2010US7835454 Multicarrier modulation systems
11/16/2010US7835434 Adaptive radio frequency (RF) filter
11/16/2010US7835318 Radiotelephony network with multi-carrier packet data transmission
11/16/2010US7835263 Interleaver, deinterleaver, communication device, and method for interleaving deinterleaving
11/16/2010US7835261 Universal derotator for UMTS modes
11/16/2010US7835228 Modem and method for transmitting data in a medium notably such as air and water
11/11/2010WO2010129190A2 Peak-to-average power ratio reduction with bounded error vector magnitude
11/11/2010WO2010128769A2 Method for transmitting signal using a frame of a predetermined cyclic prefix length in a wireless communication system
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