| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 12/16/2004 | US20040252781 System and method for generating a spectral efficient root raised cosine (RRC) pulse for increasing spectral efficiency |
| 12/16/2004 | US20040252780 Noiseless data transmission method |
| 12/16/2004 | US20040252779 Transit diversity wireless communication |
| 12/16/2004 | US20040252777 Apparatus and method for generating preamble sequences in an OFDM communication system |
| 12/16/2004 | US20040252776 Low data rate/low power multi-band-OFDM |
| 12/16/2004 | US20040252775 System and method for generating a root raised cosine orthogonal frequency division multiplexing (RRC OFDM) modulation |
| 12/16/2004 | US20040252774 System and method for generating a modified IOTA pulse for reducing adjacent channel interference (ACI) in an isotropic orthogonal transfer algorithm (IOTA) orthogonal frequency division multiplexing (OFDM) system |
| 12/16/2004 | US20040252773 Power amplifier pre-distortion device and method for orthogonal frequency division multiplexing |
| 12/16/2004 | US20040252772 Filter bank based signal processing |
| 12/16/2004 | US20040252725 Framing structure for digital broadcasting and interactive services |
| 12/16/2004 | US20040252724 Configuration of overhead channels in a mixed bandwidth system |
| 12/16/2004 | US20040252668 Code division multiple access (CDMA) communication system |
| 12/16/2004 | US20040252648 Off-line broadband network interface |
| 12/16/2004 | US20040252632 Method and apparatus for multi-user multi-input multi-output transmission |
| 12/16/2004 | US20040252631 System and method for reducing adjacent channel interference (ACI) in a multicarrier modulation system |
| 12/16/2004 | US20040252629 Pilot multiplexing method and OFDM receiving method in OFDM system |
| 12/16/2004 | US20040252229 Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems |
| 12/16/2004 | US20040251981 Contactless IC card system |
| 12/16/2004 | DE10322735B3 Qualification, selection of frequency channels for adaptive frequency hopping involves setting PLL to respective channel end frequencies for field strength measurement within measurement time slice |
| 12/16/2004 | DE10320420A1 Anordnung und Verfahren zur digitalen Vorverzerrung eines komplexen Basisband-Eingangssignals Arrangement and method for digitally predistorting a complex baseband input signal |
| 12/15/2004 | EP1487166A2 Carrier synchronization using a preamble and scattered pilot blocks |
| 12/15/2004 | EP1487154A2 Classifier for IEEE 802.11g receiver |
| 12/15/2004 | EP1487146A1 Framing structure for digital broadcasting and interactive services |
| 12/15/2004 | EP1487115A1 LDPC (low density parity check) coded modulation symbol decoding |
| 12/15/2004 | EP1486051A1 M-ary orthagonal coded communications method and system |
| 12/15/2004 | EP1486043A2 Adaptive equalizer which is independent of the amplitude of the transmitted signal |
| 12/15/2004 | EP1486020A1 Method and apparatus for allocating a pilot carrier adaptively in an orthogonal frequency division multiple access system |
| 12/15/2004 | EP1485997A2 Method and apparatus for reducing transmitter peak power requirements using dual matrices |
| 12/15/2004 | EP1485991A2 Slicing algorithm for multi-level modulation equalizing schemes |
| 12/15/2004 | EP1415264B1 Non-contact smart card interrogator, wherein across a transmission line from an antenna to a receiver the signal modulation varies between amplitude modulation and phase modulation |
| 12/15/2004 | EP1260027B1 Dc-offset correction circuit having a dc control loop and a dc blocking circuit |
| 12/15/2004 | EP0929959B1 Method for transmitting data packets on carrier frequency with linear variation; transmitter and receiver implementing this method |
| 12/15/2004 | CN1555650A Software controlled multi-mode bi-directional communication device |
| 12/15/2004 | CN1555641A Method and system for high speed data transmission in CDMA |
| 12/15/2004 | CN1555519A Method for transmitting data flows and warm start sequence |
| 12/15/2004 | CN1555004A Display card for increasing video play smooth degree |
| 12/15/2004 | CN1180649C Portable radio terminal and automatic frequency control method |
| 12/15/2004 | CN1180636C Gaussian minimum frequency deviation digital key modulation method and device |
| 12/15/2004 | CN1180593C Analog-digital hybrid circuit of fast Fourier transform and inverse transform and application in communication system thereof |
| 12/15/2004 | CN1180592C Analog-digital hybrid circuit of fast Fourier transform and inverse transform and application in communication system thereof |
| 12/15/2004 | CN1180591C Timing synchronization and phase/frequency correction of QPSK signals |
| 12/15/2004 | CN1180589C Enhanced cut prediction of feedback |
| 12/15/2004 | CN1180588C Arrangement for reducing power dissipation in line driver |
| 12/15/2004 | CN1180552C Signal format in multi-carrier CDMA transmission system |
| 12/14/2004 | US6832047 Optical transmission system for frequency-multiplexed signal |
| 12/14/2004 | US6831975 Digital subscriber line (DSL) modem compatible with home networks |
| 12/14/2004 | US6831954 Apparatus, and associated method, for compensating for distortion introduced upon a send signal by an amplifier |
| 12/14/2004 | US6831953 Method of, and a radio terminal for, detecting the presence of a 2-FSK signal |
| 12/14/2004 | US6831945 Method and apparatus for remote identification of transmission channel interference |
| 12/14/2004 | US6831942 MPSK spread spectrum communications receiver with carrier recovery and tracking using weighted correlation techniques |
| 12/14/2004 | US6831941 CDMA system which uses pre-rotation before transmission |
| 12/14/2004 | US6831940 System and method for narrowing the range of frequency uncertainty of a doppler shifted signal |
| 12/14/2004 | US6831905 Spread spectrum system assigning information signals to message-code signals |
| 12/14/2004 | US6831578 Method and circuit arrangement for demodulation of a quadrature amplitude- or phase-modulated signal |
| 12/14/2004 | US6831526 Phase and amplitude digital modulation circuit and method |
| 12/14/2004 | US6831497 Active quadrature signal generator using load having low-pass and high-pass filter characteristics |
| 12/09/2004 | WO2004107697A1 Method and device for estimating i/q imbalance |
| 12/09/2004 | WO2004107694A1 Method and architecture for wireless communication networks using cooperative relaying |
| 12/09/2004 | WO2004107693A1 Method and system for wireless communication networks using relaying |
| 12/09/2004 | WO2004107690A1 Method for reducing channel estimation error in an ofdm system |
| 12/09/2004 | WO2004107644A1 Phase tracking for received signals using adaptive interpolation |
| 12/09/2004 | WO2004107622A1 Ofdm signal receiver apparatus and ofdm signal receiving method |
| 12/09/2004 | WO2004107603A2 Method and simultaneous radio broadcast transmitter using a pre-filtering of the multi-carrier digital signal |
| 12/09/2004 | WO2004107067A1 A method and a tool for allocating computational resources in a distributed control system |
| 12/09/2004 | WO2004106966A1 Low cost, high integrity digital signal processing |
| 12/09/2004 | WO2004075470A3 Controlled superposition coding in multi-user communication systems |
| 12/09/2004 | WO2004066080A3 Analog implementation of linear transforms |
| 12/09/2004 | US20040250192 Quadrature modulator carrier quadrature error detection method and quadrature modulation device |
| 12/09/2004 | US20040248613 Directional receiver coupling arrangement with frequency selectivity and gain control for DSL |
| 12/09/2004 | US20040248607 Radio transmission device and radio transmission method |
| 12/09/2004 | US20040248540 Frequency correction in a mobile radio receiver using an analogue and a digital control loop |
| 12/09/2004 | US20040248537 Radio-frequency signal frequency conversion device for a low power rf receiver |
| 12/09/2004 | US20040248535 Receiver |
| 12/09/2004 | US20040248530 Analog front end multiplexer for CMTS receiver |
| 12/09/2004 | US20040248527 Device and method for compensating for phase distortion in base station of OFDMA-based cellular system |
| 12/09/2004 | US20040248522 Channel estimation sequence and method of estimating a transmission channel which uses such a channel estimation sequence |
| 12/09/2004 | US20040248520 Transmission apparatus and communication mode selection table updating method |
| 12/09/2004 | US20040248515 Multi-user detection |
| 12/09/2004 | US20040247064 Differential detector |
| 12/09/2004 | US20040247063 Frequency error estimation |
| 12/09/2004 | US20040247062 Method of differential-phase/absolute-amplitude QAM |
| 12/09/2004 | US20040247052 Method of differential-phase/absolute-amplitude QAM |
| 12/09/2004 | US20040247050 Complex phase-locked loop demodulator for low-IF and zero-IF radio receivers |
| 12/09/2004 | US20040247048 Method of differential-phase/absolute-amplitude QAM |
| 12/09/2004 | US20040247044 Ofdm demodulation circuit and ofdm reception apparatus using the same |
| 12/09/2004 | US20040247043 Transmission apparatus, reception apparatus and digital radio communication method |
| 12/09/2004 | US20040247041 Digital time alignment in a polar modulator |
| 12/09/2004 | US20040247040 Electromagnetic wave transmitter systems, methods and articles of manufacture |
| 12/09/2004 | US20040247039 Method of differential-phase/absolute-amplitude QAM |
| 12/09/2004 | US20040247038 Ofdm receiving apparatus and ofdm signal correction method |
| 12/09/2004 | US20040247020 Cross-system interference cancellation for multicarrier cdma and ofdm |
| 12/09/2004 | US20040247018 Segment-wise channel equalization based data estimation |
| 12/09/2004 | US20040246998 Physical layer structures and initial access schemes in a unsynchronized communication network |
| 12/09/2004 | US20040246940 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 12/09/2004 | US20040246916 Radio communication system and transmitter |
| 12/09/2004 | US20040246891 Air interface frame formatting |
| 12/09/2004 | US20040246890 OFDM/DMT/ digital communications system including partial sequence symbol processing |
| 12/09/2004 | US20040246889 Radio apparatus and adaptive array processing method |
| 12/09/2004 | US20040246888 Data processing apparatus and method |
| 12/09/2004 | US20040246887 Method to increase the capacity of a transmission system using waveforms |