Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 25 - Baseband systems
Patents for H04L 25 - Baseband systems (55,083)
10/2012
10/31/2012CN101969357B Cell same-frequency networking system combining interleave division multiple access (IDMA) and overlapped code division multiple access (OVCDMA) and method thereof
10/31/2012CN101958740B Four-antenna closed-loop transmitting diversity method for mobile communication system
10/31/2012CN101895380B Blind estimation bit synchronization method for differential chaotic modulation communication system
10/31/2012CN101860503B Method for echo interference cancellation of 3G digital repeater based on blind detection
10/31/2012CN101841499B Transmission parameter signaling module and transmission parameter signaling decoding method
10/31/2012CN101667981B Eight-antenna channel estimation method for OFDM demodulating end
10/31/2012CN101572574B Smart antenna self-adapting interference suppression method based on least square-lowest mean square
10/31/2012CN101404556B One-wire bus communication method
10/31/2012CN101291307B Equalizer and mapping method
10/31/2012CN101107825B Methods and apparatus for decoder selection in communication systems
10/30/2012US8302137 Apparatus and method to provide a signal using a communication link
10/30/2012US8300742 Systems and methods for channel based beamforming for stacked carrier multiple access
10/30/2012US8300733 Post-distortion filter for reducing sensitivity to receiver nonlinearities
10/30/2012US8300732 DC offset removal using digital feedback
10/30/2012US8299649 Passive audio/video component unbalanced network to balanced network adapter
10/30/2012CA2536425C Frequency-independent spatial processing for wideband miso and mimo systems
10/26/2012WO2012145071A1 Optical transmission and reception with high sensitivity using m-ppm combined with additional modulation formats
10/26/2012WO2012144330A1 Communication device, endoscope device and communication method
10/26/2012WO2012143170A1 Method for adaptive channel estimation for wireless communication between a vehicle and other communication subscribers using the measurement results of the environment sensor system
10/26/2012WO2012143169A1 Method for channel estimation in vehicle-to-environment communication and communication device arranged therefor
10/26/2012WO2012142976A1 Method, apparatus and system for detecting channel quality
10/26/2012WO2012142873A1 Rf transmitter, integrated circuit device, wireless communication unit and method therefor
10/25/2012US20120269307 Processing a radio frequency signal
10/25/2012US20120269293 Rf transmitter architecture, integrated circuit device, wireless communication unit and method therefor
10/25/2012US20120269292 Rf transmitter, integrated circuit device, wireless communication unit and method therefor
10/25/2012US20120269291 Rf transmitter, integrated circuit device, wireless communication unit and method therefor
10/25/2012US20120269290 Six transmit antenna codebook design
10/25/2012US20120269289 Methods and apparatuses for data transmission
10/25/2012US20120269279 Method of Precoding with a Codebook for a Wireless System
10/25/2012DE102011018630A1 Sicherheits-Kommunikationssystem zur Signalisierung von Systemzuständen Security communication system for signaling of system states
10/24/2012EP2515495A1 Method and apparatus for determining a precoding vector for precoding data to be transmitted to a wireless device in a wireless communication system
10/24/2012EP2515494A1 Transmission system
10/24/2012EP2515493A2 New frame and data pattern structure for multi-carrier systems
10/24/2012EP2515458A1 Transmitter, transmission method, receiver, reception method, program, and integrated circuit
10/24/2012EP2515450A1 Method and device for pre-coding, and method and device for decoding
10/24/2012EP2514155A2 Hybrid correlation and least squares channel estimation
10/24/2012EP2514108A2 Current boost circuit for a digital bus line
10/24/2012EP2512839A2 Device for monitoring a vehicle wheel and corresponding communication method
10/24/2012EP2273689B1 CDMA transmitter
10/24/2012CN202503544U RS485 remote driver
10/24/2012CN102754402A Controllable filter to diagonalize a transmission channel
10/24/2012CN102754401A Receiver in a bus node of a bus network
10/24/2012CN102754347A Low power high-speed differential driver with precision current steering
10/24/2012CN102752768A Active code detection method and active code detection device
10/24/2012CN102752260A Time-frequency estimation method of OFDM (Orthogonal Frequency Division Multiplexing) structure of satellite CMMB (China Mobile Multimedia Broadcasting) system
10/24/2012CN102752259A LMMSE (linear minimum mean square error) channel estimation method of adaptive threshold order selection
10/24/2012CN102752257A Frequency domain arrival detection method of orthogonal frequency division multiplexing system
10/24/2012CN102752253A Method for inhibiting inter-carrier interference of orthogonal frequency division multiplexing (OFDM) system by time-frequency domain combined processing
10/24/2012CN102752251A Method and device for computing baseband residual frequency offsets of orthogonal frequency division multiplexing (OFDM) and orthogonal frequency division multiple access (OFDMA) system
10/24/2012CN102752247A RF transmitter, wireless communication unit and method for generating RF signal
10/24/2012CN102752246A RF transmitter, integrated circuit device, wireless communication unit and method therefor
10/24/2012CN102752245A Non-linear rectification method and device for circulator as well as base station transceiving station
10/24/2012CN102752244A Single carrier frequency domain equalization method without cyclic prefix
10/24/2012CN102752243A Method supportive for estimating frequency offset of high-speed scenes of LTE (line termination equipment) system
10/24/2012CN102752242A Receiver, data receiving method and device and method for estimating channel
10/24/2012CN102752241A Method, device and system for detecting quality of channel
10/24/2012CN102752240A Method and system for carrying out channel estimation based on system information in single-carrier system
10/24/2012CN102752005A Processing a radio frequency signal
10/24/2012CN102751999A Systems and methods for spurious emission cancellation
10/24/2012CN101951358B OFDM (Orthogonal Frequency Division Multiplexing) timing synchronous system based on noise subspace
10/24/2012CN101867533B Method for estimating pilot frequency and communication channel of space division multiple access (SDMA) multi-antenna transmission down link
10/24/2012CN101719891B Signal-to-noise ratio estimation method
10/24/2012CN101715116B Digital broadcasting receiver and signal processing method thereof
10/24/2012CN101702696B Implement method and device of channel estimation
10/24/2012CN101674130B Method for acquiring control words based on uplink closed loop synchronous control
10/24/2012CN101552622B Method and device to estimate the frequency deviation in TD-CDMA access system
10/24/2012CN101488929B Voice modulation data transmission system and transmission method
10/24/2012CN101222457B Method and apparatus for serial communication using clock-embedded signals
10/24/2012CN101166168B Peak factor reduction unit and baseband signal processing device
10/23/2012US8295397 Input drive control for switcher regulated power amplifier modules
10/23/2012US8295396 System and method for power control in a wireless transmitter
10/23/2012US8295395 Methods and apparatus for partial interference reduction within wireless networks
10/23/2012US8295393 Device and method for transmitting/receiving pulse signal
10/23/2012US8295376 Method of estimating the symbols of a digital signal and receiver for implementing said method
10/23/2012US8295368 Method and apparatus for improved interfacing of connections between a multiplicity of handheld devices
10/23/2012US8295332 Channel estimation device and method, demodulation device and method, and fading frequency decision device and method
10/18/2012WO2012142612A1 Systems and methods for range extension of wireless communication in sub-gigahertz bands
10/18/2012WO2012141935A1 Methods and apparatus for selecting reference signal tones for decoding a channel
10/18/2012WO2012139646A1 Method for the simultaneous transfer of digital process values, evaluation unit for use in such a method and automation device having such an evaluation unit
10/18/2012WO2012139641A1 Transmission system and method for operating the system
10/18/2012WO2012139640A1 Transmission system, central unit or field device in such a transmission system, and method for operating the system
10/18/2012WO2012092007A3 Voltage-mode driver with pre-emphasis
10/18/2012US20120263257 Signal amplifying apparatus, wireless transmitting apparatus, and signal amplifying method
10/18/2012US20120263256 Linearization of a transmit amplifier
10/18/2012US20120263244 Integrated circuit with electromagnetic communication
10/18/2012US20120263221 Method And Apparatus For Determining Signal-To-Noise Ratio
10/18/2012US20120263217 Method to Prevent Phenomenon in Vector Modulator Transmitter
10/18/2012DE102008046136B4 Elektronisches System, und Verfahren zum Senden eines Signals An electronic system and method for transmitting a signal
10/17/2012EP2512193A1 Method and apparatus for mitigating pilot pollution in a wireless network
10/17/2012EP2512081A1 Precoding with reduced feedback for coordinated multipoint transmission on the downlink
10/17/2012EP2512080A2 New frame and signalling pattern structure for multi-carrier systems
10/17/2012CN202495946U Bus type communication system of FPGA based on management and control of Internet of things
10/17/2012CN1581740B Feedback type channel estimating method and device based on PN sequence and pilot frequency in OFDM system
10/17/2012CN102742240A Double frequency conversion modulation system and frequency conversion method
10/17/2012CN102742236A Method and apparatus providing protection and DC balance in a communication system
10/17/2012CN102742235A Method for eliminating adjacent channel interference, modem and system
10/17/2012CN102742234A Channel frequency offset estimation method, device and system
10/17/2012CN102742232A Transmitting stage in a bus node of a bus network for producing a bit signal corresponding to a transmission signal and method for producing a bit signal from a transmission signal
10/17/2012CN102739601A Mobile terminal and relay node mixed carrier cooperative communication method in TD LTE-A (Time-Division Long-Term Evolution-Advanced) system
10/17/2012CN102739593A Method and base station for sending resource blocks and performing combined channel estimation, and user equipment
1 ... 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 ... 551