| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 02/27/2003 | US20030039220 Implementing a physical layer automatic repeat request for a subscriber unit |
| 02/27/2003 | US20030039219 Method for physical layer automatic repeat request for a subscriber unit |
| 02/27/2003 | US20030039218 Base station implementing a physical layer automatic repeat request |
| 02/26/2003 | EP1286511A1 Peak power control in a Multi-tone transmission system |
| 02/26/2003 | EP1286510A1 Transmit filter using a reference clock that is no integer multiple of the symbol clock |
| 02/26/2003 | EP1286489A2 Apparatus and method for correcting errors in transport format indicators (TFI) of W-CDMA communication system |
| 02/26/2003 | EP1285508A1 Methods for determining the gains of different carriers, radio transmission units and modules for such units |
| 02/26/2003 | EP1031199B1 Improvement in, or relating to, subscriber line transmission systems |
| 02/26/2003 | EP1010307B1 Digital transmission using subband coding |
| 02/26/2003 | EP0922344B1 Improvements in, or relating to, multi-carrier transmission systems |
| 02/26/2003 | EP0920756B1 Improvements in, or relating to, multi-carrier transmission systems |
| 02/26/2003 | EP0883949B1 Channel estimation arrangement |
| 02/26/2003 | EP0671837B1 Differential detection method and detector using maximum likelihood estimation |
| 02/26/2003 | CN1399816A Signal level adjustment arrangement |
| 02/26/2003 | CN1399488A Two-stage up-conversion modulator |
| 02/26/2003 | CN1399423A Phase demodulator, sign and time sequence restoring circuit and method |
| 02/25/2003 | US6526265 Wireless transmitter having a modified translation loop architecture |
| 02/25/2003 | US6526110 Embedded RAM based digital signal processor |
| 02/25/2003 | US6526107 Synchronization acquiring circuit |
| 02/25/2003 | US6526103 Multi-stage receiver |
| 02/25/2003 | US6526092 Modem with firmware upgrade feature |
| 02/25/2003 | US6526064 Method for transmitting on a plurality of transmission media, with dynamic data dispatching, and corresponding transmitter and terminal |
| 02/25/2003 | CA2307995C Mitigation of co-channel interference in synchronization bursts in a multi-beam communication system |
| 02/25/2003 | CA2266156C Television receiver with separate i-f amplifiers for vsb and qam digital tv signals that are digitally synchrodyned |
| 02/20/2003 | WO2003015366A1 All digital automatic gain control circuit |
| 02/20/2003 | WO2003015365A1 Isolator eliminator for a linear transmitter |
| 02/20/2003 | WO2003015335A1 Channel estimation in a multi carrier transmit diversity system |
| 02/20/2003 | WO2003015259A2 Radio-frequency signal frequency conversion device for a low power rf receiver |
| 02/20/2003 | WO2003015007A1 Non-contact smart card interrogator, wherein across a transmission line from an antenna to a receiver the signal modulation varies between the amplitude modulation and phase modulations |
| 02/20/2003 | WO2003014900A1 Method for transmitting data flows and warm start sequence for s(h)dsl modems |
| 02/20/2003 | WO2002103976A8 Direct digital synthesis in a qam demodulator |
| 02/20/2003 | WO2002099962A3 Synchronization method and apparatus using a maximum-likelihood principle |
| 02/20/2003 | WO2002078206A3 Bi-directional communication system with echo cancellation |
| 02/20/2003 | WO2002066269A3 Combined tire pressure monitoring and keyless entry receiver |
| 02/20/2003 | WO2002060144A3 Calibrating the local oscillation frequency of a cdma receiver |
| 02/20/2003 | US20030036359 Mobile station loop-back signal processing |
| 02/20/2003 | US20030035496 Phase shift keying modulation including a data converter for converting an input data signal having 3 bits long into two ternary converted data signals |
| 02/20/2003 | US20030035494 Digital predistortion technique for WCDMA wireless communication system and method of operation thereof |
| 02/20/2003 | US20030035492 Symbol constellations having second-order statistics with cyclostationary phase |
| 02/20/2003 | US20030035470 Method and apparatus to remove effects of I-Q imbalances of quadrature modulators and demodulators in a multi-carrier system |
| 02/20/2003 | US20030035467 Transceiver apparatus and transceiving method in communication system |
| 02/20/2003 | US20030035465 Radio communications system, transmitter, receiver, radio transmission method, radio reception method and computer program therefor |
| 02/20/2003 | US20030035405 Code multiplexing transmitting apparatus |
| 02/20/2003 | US20030035401 Utilizing session initiation protocol for identifying user equipment resource reservation setup protocol capabilities |
| 02/20/2003 | CA2456540A1 Radio-frequency signal frequency conversion device for a low power rf receiver |
| 02/19/2003 | EP1284567A2 Soft decisions in a receiver for 16-ary QAM |
| 02/19/2003 | EP1284566A1 Bs digital broadcasting receiving device and bs digital broadcasting receiving method |
| 02/19/2003 | EP1284565A1 A method of modulating a data signal with modulation switching between direct and differential modulation and apparatus for modulation |
| 02/19/2003 | EP1284564A2 Calcualtion of soft decisions for 8-PSK signals |
| 02/19/2003 | EP1284545A1 Transmit diversity wireless communication |
| 02/19/2003 | EP1284088A1 Termination device for a telephone line |
| 02/19/2003 | EP1284075A1 Gain controller for quadrature tranceiver |
| 02/19/2003 | EP1284074A2 Device and method for verifying the reception of a signal with a predetermined frequency |
| 02/19/2003 | EP1284049A1 Ultra wide band system and method for fast synchronization using multiple detection arms |
| 02/19/2003 | EP0995277A4 Method and apparatus for minimizing delay variance via time divided transmissions |
| 02/19/2003 | EP0885511B1 Pulse shaping for gmsk |
| 02/19/2003 | EP0824805B1 Communication system and operating method thereof |
| 02/19/2003 | CN2537178Y Frequency key control led radio frequency signal modulator |
| 02/19/2003 | CN1398479A Combined transmit filter and D-to-A converter |
| 02/19/2003 | CN1398464A Method and appts. for achieving 180 & deg; phase invariant transmission in PCM modem system |
| 02/19/2003 | CN1398136A Radio transmitter and appliance for mobile station |
| 02/19/2003 | CN1398119A Structure of up-link/down-link signals for interactive diugital information transmission and synchronous access method |
| 02/19/2003 | CN1398118A Method based on slide window for estimating and equalizing channels of block signals containing pilot |
| 02/19/2003 | CN1398099A Sound data transmitting system and method and transmitting servicer and user's terminal |
| 02/19/2003 | CN1398092A Frequency-shift keying/Gauss frequency-shift keying signal receiver and its receiving method |
| 02/19/2003 | CN1398065A Method for increasing the estimation performance to carrier frequency deviation of OFDM communication system |
| 02/19/2003 | CN1398051A Radio-frequency appts. for special short-range communication wayside appliance |
| 02/18/2003 | US6522869 Transmission apparatus |
| 02/18/2003 | US6522706 Delay spread estimation for multipath fading channels |
| 02/18/2003 | US6522703 Estimating frequency offset to demodulate a packet of phase-modulated symbols |
| 02/18/2003 | US6522702 Radio data communication terminal |
| 02/18/2003 | US6522700 Method and system for the OFDM multicarrier transmission of digital broadcasting signals |
| 02/18/2003 | US6522699 Transmission system for reduction of amateur radio interference |
| 02/18/2003 | US6522696 Adaptive frequency correction in a wireless communications system, such as for GSM and IS54 |
| 02/18/2003 | US6522695 Transmitting device for transmitting a digital information signal alternately in encoded form and non-encoded form |
| 02/18/2003 | US6522691 Method of and apparatus for determining the capacity of a telecommunications system |
| 02/18/2003 | US6522687 Data transmitter and receiver of a DS-CDMA communication system |
| 02/18/2003 | US6522686 Receiving apparatus of spectrum spread communication system |
| 02/18/2003 | US6522683 Method and apparatus for adaptive linear equalization for walsh covered modulation |
| 02/18/2003 | US6522666 Multicarrier communication with variable overhead rate |
| 02/18/2003 | US6522626 Power line communications system and method of operation thereof |
| 02/18/2003 | US6522223 Zero-IF-converter with RC filters |
| 02/18/2003 | US6522213 SSB transmitter |
| 02/18/2003 | CA2244428C System and method for measuring channel quality information |
| 02/13/2003 | WO2003013191A2 Method and device for compensating a phase error in a receiver and/or transmitter system with an i/q-interface |
| 02/13/2003 | WO2003013095A2 Method for reducing the power loss occurring during the amplification of ofdm signals, and an associated device |
| 02/13/2003 | WO2003013093A2 Signal decomposition for the control of its dynamic range |
| 02/13/2003 | WO2003013092A1 Null-pilot symbol assisted fast automatic frequency control |
| 02/13/2003 | WO2003013091A1 Appartus for extracting a clock signal and a digital data signalfrom an amplitude modulated carrier signal in a receiver, whereinthe symbol rate either coincides with or is half of the carrier frequency |
| 02/13/2003 | WO2003013089A2 Supressed cycle based carrier modulation using amplitude modulation |
| 02/13/2003 | WO2003013085A1 Semiconductor device and data transfer system |
| 02/13/2003 | WO2003013081A1 System and method for post filtering peak power reduction in multi-carrier communications systems |
| 02/13/2003 | WO2003013050A1 Method for data communication between a single-carrier and a multi-carrier system |
| 02/13/2003 | WO2003013049A1 Distribution of sub-carriers of a multi-carrier system for low rate terminals |
| 02/13/2003 | WO2003013024A1 Channel estimation in a multi-carrier transmission diversity system |
| 02/13/2003 | WO2003013021A1 Apparatus and method for detecting ripples caused by multipath propagation and controlling receiving antenna and tuner |
| 02/13/2003 | WO2003013013A1 Receiver and communication terminal |
| 02/13/2003 | WO2003012979A1 Quadrature transceiver substantially free of adverse circuitry mismatch effects |
| 02/13/2003 | WO2003012977A2 Circuit arrangement for the regulation of a direct component of a signal and mobile radio transmitter |
| 02/13/2003 | WO2002095962A3 Quadrature envelope-sampling of intermediate frequency signal in receiver |