| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 05/18/2006 | DE102004054070A1 Method for reducing crest factor of signal, involving generating correction signal as combination of several partial correction signals, each with preset frequency |
| 05/18/2006 | DE102004013866B4 Digital point to multi-point transmission interference reduction signal processing procedure uses shaping vector selected to minimise Euclidean norm of difference vector |
| 05/18/2006 | CA2577489A1 Interference cancellation system |
| 05/17/2006 | EP1657874A1 Joint Maximum Likelihood estimation of timing and frequency offset in a mobile OFDM communication system |
| 05/17/2006 | EP1657873A1 Method and apparatus for arranging pilot tones in a mobile communication system |
| 05/17/2006 | EP1657872A2 Apparatus and method for transmitting a preamble and searching a cell in an OFDMA system |
| 05/17/2006 | EP1657814A1 Radio communication apparatus |
| 05/17/2006 | EP1656809A1 Method for selection of an available transmission channel by sending a negative decision value and an additional positive decision value and corresponding base station mobile terminal and mobile radio network |
| 05/17/2006 | EP1656778A1 Method and apparatus for hierarchical modulation using a radial constellation |
| 05/17/2006 | EP1656737A1 Method and apparatus for varying lengths of low density parity check codewords |
| 05/17/2006 | EP1522151A4 System and method for a direct conversion multi-carrier processor |
| 05/17/2006 | EP1479168A4 Method and apparatus for analog and digital signal and data compression |
| 05/17/2006 | EP1435750B1 Method and transceiver apparatus for transmitting paging information in orthogonal frequency-division multiplexing systems |
| 05/17/2006 | EP1157514B1 Kalman equalisation in multicarrier receivers |
| 05/17/2006 | EP1060603B1 System and method for spectrally efficient transmission of digital data over optical fiber |
| 05/17/2006 | EP0776557B1 Multi-band, multi-mode spread-spectrum communication system |
| 05/17/2006 | CN1774897A Pulse detection in wireless communications system |
| 05/17/2006 | CN1774868A Tuner for radio frequency receivers and associated method |
| 05/17/2006 | CN1774857A Efficient modulation of RF signals |
| 05/17/2006 | CN1774051A Methods of automatically detecting spectrum inversion and related terrestrial digital video broadcasting receivers |
| 05/17/2006 | CN1774014A Method for providing ring-back tone service in communication network |
| 05/17/2006 | CN1773981A Apparatus and method for transmitting a preamble and searching a cell in an ofdma system |
| 05/17/2006 | CN1773980A Orthogonal frequency division multiplexing integer frequency synchronizing method |
| 05/17/2006 | CN1773979A Orthogonal frequency division multiplexing accurate time synchronizing, frame synchronizing and synchronous tracking method |
| 05/17/2006 | CN1773978A Method for realizing orthogonal frequency division multiplexing precision time synchronization |
| 05/17/2006 | CN1773977A MIMO-OFDM carrier frequency Synchronizing method based on pilot frequency design |
| 05/17/2006 | CN1773976A Adaptive pilot frequency inserting method in OFDM system |
| 05/17/2006 | CN1773975A Carrier wave recovering equipment of OOB QPSK receiver |
| 05/17/2006 | CN1773974A Digital sideband suppression for radio frequency (RF) modulators |
| 05/17/2006 | CN1773973A Equalizing equipment for VSB receiving system |
| 05/17/2006 | CN1773972A Receiving System containing digital automatic fine gaining controller and receiving method thereof |
| 05/17/2006 | CN1773943A Communication net node fault monitoring method |
| 05/17/2006 | CN1773934A Method for processing fault of multimedia sub-system equipment |
| 05/17/2006 | CN1773897A Resource distributing method and apparatus of dynamic time-frequency and code sequence |
| 05/17/2006 | CN1773896A Information channel interleaving device and method adapted to adaptive modulating system |
| 05/17/2006 | CN1256831C 可编程高频脉冲信号发生器 Programmable frequency pulse signal generator |
| 05/17/2006 | CN1256830C Apparatus and method for effective transmitting and receiving multipoint sending data |
| 05/17/2006 | CN1256818C Orthogonal frequency division multiplex retransmitting/receiving apparatus and transmitting and receiving method |
| 05/16/2006 | US7047032 Power controllable wireless mobile communications system of adaptive modulation and coding scheme and method therefor |
| 05/16/2006 | US7046975 Method and system for blind detection of modulation type |
| 05/16/2006 | US7046970 System and method of phase modulation control in RF signal generation |
| 05/16/2006 | US7046957 Reflecting modulator circuit comprising a negative impedance amplifier |
| 05/16/2006 | US7046751 Dynamic allocation of NEXT cancellation filters in a modem pool environment |
| 05/16/2006 | US7046750 Adaptive signal weighting system |
| 05/16/2006 | US7046749 Narrowband gain control of receiver with digital post filtering |
| 05/16/2006 | US7046748 Channel estimation sequence and method of estimating a transmission channel which uses such a channel estimation sequence |
| 05/16/2006 | US7046744 Method and apparatus for frequency offset estimation, and system utilizing same |
| 05/16/2006 | US7046743 Demodulator for demodulating digital modulated signals |
| 05/16/2006 | US7046741 Single and multiple sinewave modulation and demodulation techniques, apparatus, and communications systems |
| 05/16/2006 | US7046740 Reduced complexity multicarrier precoder |
| 05/16/2006 | US7046739 Pre-distortion of input signals to form constant envelope signal outputs |
| 05/16/2006 | US7046738 8-PSK transmit filtering using reduced look up tables |
| 05/16/2006 | US7046726 Method and apparatus for hybrid decision feedback equalization |
| 05/16/2006 | US7046719 Soft handoff between cellular systems employing different encoding rates |
| 05/16/2006 | US7046695 System and method of disharmonic frequency multiplexing |
| 05/16/2006 | US7046618 Bridged ultra-wideband communication method and apparatus |
| 05/16/2006 | US7046617 Method and apparatus for an enhanced OFDM system |
| 05/16/2006 | US7046068 CMOS-based receiver for communications applications |
| 05/11/2006 | WO2006050131A1 System and method for non-interfering transmission and reception of ovelapping signal carrier transmission over delay spread channels |
| 05/11/2006 | WO2006050055A2 Tone detection using a cdma receiver |
| 05/11/2006 | WO2006049461A1 Apparatus and method of space time frequency block code |
| 05/11/2006 | WO2006049282A1 Radio transmitter and pilot signal inserting method |
| 05/11/2006 | WO2006049203A1 Radio communication method, radio communication system and radio communication equipment |
| 05/11/2006 | WO2006049140A1 Transmitter |
| 05/11/2006 | WO2006048770A1 Communication device identification |
| 05/11/2006 | WO2006048597A2 Method and system for computing log-likelihood ratios for coded quadrature amplitude modulated signals |
| 05/11/2006 | WO2006048090A1 Method for reducing ambiguity levels of transmitted symbols |
| 05/11/2006 | WO2006048059A1 Method and transmitter structure reducing ambiguity by repetition rearrangement in the bit domain |
| 05/11/2006 | WO2006047851A1 Systems and methods for use with orthogonal frequency division multiplexing |
| 05/11/2006 | WO2006018690B1 Efficient fir filter suitable for use with high order modulation radio frequency transmitters |
| 05/11/2006 | WO2004114559A3 A system and method for generating a modified iota pulse for reducing adjacent channel interference (aci) |
| 05/11/2006 | WO2004091125A3 Methods and apparatus for interleaving in a block-coherent communication system |
| 05/11/2006 | US20060098769 Apparatus and method for controlling display state |
| 05/11/2006 | US20060098767 Wireless receiver with anti-jamming |
| 05/11/2006 | US20060098762 Driver circuit for driving a power amplifier |
| 05/11/2006 | US20060098761 Multi-mode transmitter |
| 05/11/2006 | US20060098760 Method of maximizing MIMO system performance by joint optimization of diversity and spatial multiplexing |
| 05/11/2006 | US20060098757 Device and method for presdistoring and input signal |
| 05/11/2006 | US20060098756 Systems and methods for designing a high-precision narrowband digital filter for use in a communications system with high spectral efficiency |
| 05/11/2006 | US20060098755 Systems and methods for high-efficiency transmission of information through narrowband channels |
| 05/11/2006 | US20060098751 Methods of automatically detecting spectrum inversion and related terrestrial digital video broadcasting receivers |
| 05/11/2006 | US20060098746 Multi-channel time-reversal receivers for multi and 1-bit implementations |
| 05/11/2006 | US20060098745 Apparatus and method for evaluating data transmission |
| 05/11/2006 | US20060098724 Systems and methods for multicarrier transceiver with radio frequency interference reduction |
| 05/11/2006 | US20060098721 Method and apparatus for receiving GPS/GLONASS signals |
| 05/11/2006 | US20060098602 Information transmission method, mobile communications system, base station and mobile station |
| 05/11/2006 | US20060098601 Information transmission method, mobile communication system, base station, and mobile station |
| 05/11/2006 | US20060097814 Digital sideband suppression for radio frequency (RF) modulators |
| 05/11/2006 | DE102004060177B3 Polar modulator for use in radio communication system, has phase control loop outputting high frequency derived from frequencies of reference and phase modulated signals, and power source outputting current based on AM signal |
| 05/11/2006 | DE10027389B4 Verfahren zur Synchronisation Method for synchronization |
| 05/11/2006 | CA2586091A1 Method and system for computing log-likelihood ratios for coded quadrature amplitude modulated signals |
| 05/11/2006 | CA2583842A1 Spectrally shaped generalized multitone direct sequence spread spectrum modulation |
| 05/11/2006 | CA2583358A1 Method and transmitter structure reducing ambiguity by repetition rearrangement in the symbol domain |
| 05/10/2006 | EP1655918A2 A low-rate long-range mode for OFDM wireless LAN |
| 05/10/2006 | EP1655878A1 Method and transmitter structure reducing ambiguity by repetition rearrangement in the symbol domain |
| 05/10/2006 | EP1655877A1 Method and transmitter structure reducing ambiguity by repetition rearrangement in the bit domain |
| 05/10/2006 | EP1655873A2 Method of identifying an improved configuration for a communication system using coding gain and an apparatus therefor |
| 05/10/2006 | EP1655872A1 Mobile communication receiver and transmitter for multiple wireless schemes |
| 05/10/2006 | EP1655868A1 Multicarrier communication apparatus, multicarrier communication system, and transmission power control method |
| 05/10/2006 | EP1655835A2 Variable gain control circuit and receiver apparatus using the circuit |