Patents for H04L 25 - Baseband systems (55,083)
01/2008
01/30/2008CN201015196Y Serial interference eliminating device under co-channel surroundings in TDMA system
01/30/2008CN101116299A Conditioning equaliser input
01/30/2008CN101116298A Method and system for channel equalization
01/30/2008CN101116259A Multipath interference reduction on pilot estimation with legacy system interoperability
01/30/2008CN101115046A Modified type LS channel estimation method for OFDM system
01/30/2008CN101115039A Tuneable filter control method and base station
01/30/2008CN101115038A Apparatus and method for enhancing DC offset correction speed of a radio device
01/30/2008CN101115037A Digital receiver and local oscillating frequency inceptive error calibrating method
01/30/2008CN101115036A Apparatus and method for channel estimation for data demodulation in broadband wireless access system
01/30/2008CN101115035A Apparatus and methods for determining rate of transmitted variable rate data
01/30/2008CN101115034A Channel signal estimation system
01/30/2008CN101114843A Receiving device, receiving method, program, and recording medium
01/30/2008CN100366034C Blind transmission format detecting method suitable for broad band CDMA system
01/30/2008CN100365942C Wireless data transmission between base station and transponder
01/30/2008CN100365928C Method and system for effective channel estimation in telecommunication system
01/29/2008USRE40038 Latch-up recovery in quantized feedback DC restorer circuits
01/29/2008US7324618 Apparatus and method for canceling narrow-band interference in a mobile communication system
01/29/2008US7324609 DC offset cancellation in a direct conversion receiver configured for receiving an OFDM signal
01/29/2008US7324606 Computationally efficient system and method for channel estimation
01/29/2008US7324600 Channel estimation in a multi carrier transmit diversity system
01/29/2008US7324590 Equalizer with combined CCK encoding-decoding in feedback filtering of decision feedback equalizer
01/29/2008US7324589 Method and system for providing error compensation to a signal using feedback control
01/29/2008US7324583 Chip-level or symbol-level equalizer structure for multiple transmit and receiver antenna configurations
01/29/2008US7324581 Apparatus for mapping and spreading data symbols in mobile communication system
01/29/2008US7324559 Centralized synchronization for wireless networks
01/29/2008US7324429 Multi-mode terminal in a wireless MIMO system
01/29/2008US7324194 Flow-cytometry-based hematology system
01/29/2008US7324167 High-quality twisted-pair transmission line system for high-resolution video
01/29/2008US7323901 Semiconductor integrated circuit device
01/29/2008CA2322213C Off-line broadband network interface
01/24/2008WO2008011264A2 Remote non-linearity detection via burst power dithering
01/24/2008WO2008010838A2 Method and system for generating a secret key from joint randomness
01/24/2008WO2008009762A1 Method and system for multiple input and multiple output channel estimation
01/24/2008WO2008009593A1 Filter arrangement dependent on occupation of an adjacent band
01/24/2008WO2007111742A3 Apparatus and methods for determining timing in a communication system
01/24/2008WO2007111718A3 Multi-stage receiver for wireless communication
01/24/2008US20080022194 Parity check outer code and runlength constrained outer code usable with parity bits
01/24/2008US20080022144 Data transfer control device and electronic instrument
01/24/2008US20080019468 Soft sample scaling in a turbo decoder
01/24/2008US20080019459 Multilevel linc transmitter
01/24/2008US20080019456 Multilevel linc transmitter
01/24/2008US20080019431 Groupwise successive interference cancellation for block transmission with reception diversity
01/24/2008US20080019426 Channel estimation for time division duplex communication systems
01/24/2008DE19719878B4 Kanalzuordnungsschaltung Channel allocation circuit
01/24/2008DE102007033228A1 Transmission method for bivalent signal over channel, involves emitting pulse sequence and transmitting bivalent signal over potential barrier, which has magnetically coupled pair of coils connected upstream to input side of capacitance
01/24/2008DE102005056843B4 Verfahren und Vorrichtung zur empfängerseitigen Eliminierung von statischen oder zeitlich langsam veränderlichen Störsignalen aus Eingangsdatensignalen bei der digitalen Datenübertragung in vorgegebenem Bitraster Method and apparatus for receiver-end elimination of static or slowly with time-varying interference signals from input data signals in digital data transmission in a given bitmap
01/23/2008EP1881662A1 Filter adjustment depending on the occupancy of the neighbouring band
01/23/2008EP1880524A2 Method and apparatus for compressive imaging device
01/23/2008EP1880491A2 Rate selection with margin sharing
01/23/2008EP1880484A2 Rate selection for eigensteering in a mimo communication system
01/23/2008EP1745625B1 Carrier phase ambiguity correction via dc offset
01/23/2008EP1741198B1 Reconfigurable pulse detector in wireless communications system
01/23/2008EP1584153A4 Wireless receiver using noise levels for postscaling an equalized signal having temporal diversity
01/23/2008EP1557016B1 Method and arrangement for channel estimation in a wireless communication system
01/23/2008EP1459488B1 Method and device for a bi-directional half-duplex transmission of data
01/23/2008EP1275206B1 Method and arrangement for minimizing power dissipation in a line driver
01/23/2008EP1260071B1 Method and device for estimating channel propagation
01/23/2008EP1135910B1 Method for combining signals on a digital interface
01/23/2008CN101112114A Method and device for using training sequence with variation length in wireless communication
01/23/2008CN101112061A System and method for selecting data rates to provide uniform bit loading of subcarriers of a multicarrier communication channel
01/23/2008CN101112060A 16b/10s coding apparatus and method
01/23/2008CN101112031A Pre-distorter for orthogonal frequency division multiplexing systems and method of operating the same
01/23/2008CN101112025A Interference estimation in the presence of frequency errors
01/23/2008CN101110848A Method for detecting channel trouble
01/23/2008CN101110806A Method and apparatus for compensating imbalance of signal channel
01/23/2008CN101110801A Method and apparatus of reducing a number of computations in an equalization process
01/23/2008CN101110646A Demodulation circuit, ic, and communication device
01/23/2008CN101110625A Double antenna wireless digital relay unit and its operating procedure and frame structure
01/23/2008CN101110602A Carrier wave catching system and method based on multimode operation
01/23/2008CN100364301C Parallel Turbo coding-decoding method based on block processing for error control of digital communication
01/23/2008CN100364300C Combined evaluation method for channel step number and multiple path time delay
01/23/2008CN100364257C Time-domain adaptive aqualizer combined with NR code
01/23/2008CN100364256C Time-domain transmit and receive processing with channel eigen-mode decomposition for systems
01/23/2008CN100363913C Data transfer control device and electronic instrument
01/22/2008US7321733 Split-band optical transmission system and optical transmission method used therein
01/22/2008US7321731 Optical pulse position modulation discriminator
01/22/2008US7321647 Clock extracting circuit and clock extracting method
01/22/2008US7321646 Methods and apparatus for pre-filtering a signal to increase signal-to-noise ratio and decorrelate noise
01/22/2008US7321644 Low-complexity, symbol-based, reduced substreams maximum likelihood decoder and method for a multiple-input, multiple-output communication system
01/22/2008US7321643 Soft decision decoder, and log likelihood ratio calculator and method thereof for enhanced performance in soft decision decoding
01/22/2008US7321642 Synchronization symbol re-insertion for a decision feedback equalizer combined with a trellis decoder
01/22/2008US7321637 Data slice control device and control method
01/22/2008US7321632 Method and apparatus for multi-algorithm detection
01/22/2008US7321628 Data transmission system with reduced power consumption
01/22/2008US7321621 Differential receiver circuit with electronic dispersion compensation for optical communications systems
01/22/2008US7321620 Equalizer and reproduction signal processing device
01/22/2008US7321619 Apparatus for, and method of, processing signals transmitted over a local area network
01/22/2008US7321618 PCM upstream data transmission server
01/22/2008US7321615 At-command analyzing method
01/22/2008US7321612 Bit stream conditioning circuit having adjustable PLL bandwidth
01/22/2008US7321608 Process and device for generating pulses for the transmission of a pulsed signal of the ultra wideband type
01/22/2008US7321601 Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation
01/22/2008US7321550 Method of equalization in an OFDM system
01/22/2008US7321239 Differential line receiver
01/17/2008WO2008007802A2 Lattice-reduction-aided detection applying a modified lenstra-lenstra-lovasz (lll) algorithm
01/17/2008WO2008007028A2 Methods for receiving and transmitting a multicarrier signal comprising a preamble containing data elements, and corresponding devices and computer program products
01/17/2008WO2008007020A2 Methods for the transmission and reception of a multicarrier signal comprising isolated pilots, and corresponding devices and computer program products
01/17/2008WO2008006768A1 Receiver structure and method for the demodulation of a quadrature-modulated signal
01/17/2008WO2008006650A1 Afc wrap-around detection
01/17/2008US20080014977 System and method for antenna diversity using equal power joint maximal ratio combining