| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 12/18/1997 | WO1997048191A1 Wide-area wireless distribution system |
| 12/18/1997 | CA2257799A1 Method and apparatus for implementing a wireline transmission connection |
| 12/17/1997 | EP0813315A2 Spread spectrum QAM transmission |
| 12/17/1997 | EP0813312A2 Multiband mobile unit communication apparatus |
| 12/17/1997 | EP0724654B1 Electric power distribution system for active cathodic protection of reinforced concrete constructions |
| 12/17/1997 | EP0596904A4 Device and method for combining precoding with symbol-rate spectral shaping. |
| 12/17/1997 | CN1168027A Timing recovery system for digital signal processor |
| 12/16/1997 | US5699385 Method and apparatus for locating and tracking a QPSK carrier |
| 12/16/1997 | US5699383 High-power linear amplification using periodically updated amplitude and phase correction values |
| 12/16/1997 | US5699368 Error-correcting encoder, error-correcting decoder, and data transmitting system with error-correcting codes |
| 12/16/1997 | US5699011 DC offset compensation method and apparatus |
| 12/11/1997 | WO1997047084A1 Method and apparatus for performing bandedge equalization |
| 12/11/1997 | DE19718154A1 Verfahren und Schaltung für eine Basisbandsignaldämpfung Method and circuit for a baseband signal attenuation |
| 12/11/1997 | DE19616368C1 Demodulation method for single side band signal |
| 12/10/1997 | EP0812087A2 Method for allocating data in a data communication system |
| 12/10/1997 | EP0812079A2 Synchronizing apparatus |
| 12/10/1997 | EP0812066A1 High-frequency device |
| 12/10/1997 | EP0811214A1 Radio tracking system and method of operation thereof |
| 12/10/1997 | EP0722383A4 Composition and process for manufacturing lightweight inorganic particles, and resultant particulates |
| 12/10/1997 | CN1167552A Method and apparatus for symbol timing tracking |
| 12/10/1997 | CN1167388A Digital signal transmission system and transmitter and receiver thereof |
| 12/10/1997 | CN1167387A Device for correcting phase noise in digital receiver |
| 12/10/1997 | CN1167384A Transmission system for digital audio-frequency broadcasting |
| 12/10/1997 | CN1167382A Transmission system for digital audio-frequency broadcasting |
| 12/10/1997 | CN1167364A Device for producing Pi/n shifted n difference coded phase-shift key-controlled modulation signal and method thereof |
| 12/09/1997 | US5697076 Suspended carrier modulation of high-Q transmitters |
| 12/09/1997 | US5696826 Method and apparatus for encrypting and decrypting information using a digital chaos signal |
| 12/09/1997 | US5696798 Multiple antenna home base for digital cordless telephones |
| 12/09/1997 | US5696797 Demodulator with baseband doppler shift compensation and method |
| 12/09/1997 | US5696795 Offset quadrature phase shift keyed modulation circuit |
| 12/09/1997 | US5696794 Method and apparatus for conditioning digitally modulated signals using channel symbol adjustment |
| 12/09/1997 | US5696792 Digital radiocommunication terminal |
| 12/09/1997 | US5696769 Decision error correcting method of a digital communication system and the digital communication system for the same |
| 12/09/1997 | CA2074889C Carrier frequency error detector capable of accurately detecting a carrier frequency error |
| 12/04/1997 | WO1997046030A1 Dtmf detector which performs frequency domain energy calculations |
| 12/04/1997 | WO1997045987A1 Filter for multicarrier communication system and method for peak power control therein |
| 12/04/1997 | WO1997045963A2 A receiver, a demodulator, and a demodulation method |
| 12/04/1997 | CA2206652A1 Baud-rate-independent asvd transmission built around g.729 speech-coding standard |
| 12/03/1997 | EP0810760A1 Demodulator |
| 12/03/1997 | EP0809898A2 Multi-point to point communication system |
| 12/03/1997 | EP0809895A1 Method and apparatus for using walsh shift keying in a spread spectrum communication system |
| 12/03/1997 | EP0809890A2 Radio apparatus |
| 12/03/1997 | EP0809880A1 Amplitude and phase error normalization of subcarrier generator |
| 12/03/1997 | EP0532685B1 Method and apparatus for mapping an eight dimensional constellation of a convolutionally coded communication system |
| 12/03/1997 | CN1166900A Method and apparatus for the provision and reception of symbols |
| 12/03/1997 | CN1166740A Data receiving apparatus |
| 12/03/1997 | CN1166733A Spread spectrum demodulation unit |
| 12/02/1997 | US5694440 Data synchronizer lock detector and method of operation thereof |
| 12/02/1997 | US5694433 Efficient linear power amplification |
| 12/02/1997 | US5694430 Subscriber unit for wireless digital subscriber communication system |
| 12/02/1997 | US5694428 Transmitting circuitry for serial transmission of encoded information |
| 12/02/1997 | US5694425 Digital audio signal transmitting apparatus |
| 12/02/1997 | US5694419 Shared resource modulator-demodulator circuits for use with vestigial sideband signals |
| 12/02/1997 | US5694417 Short burst direct acquisition direct sequence spread spectrum receiver |
| 12/02/1997 | US5694415 Signal communication system capable of recognizing reception of reception desired signal |
| 12/02/1997 | US5694414 Multi-band, multi-mode spread-spectrum communication system |
| 12/02/1997 | US5694396 Method and apparatus for processing multicarrier signals |
| 12/02/1997 | US5694395 Method and apparatus for processing multicarrier signals |
| 12/02/1997 | US5694389 OFDM transmission/reception system and transmitting/receiving apparatus |
| 12/02/1997 | US5694094 Narrow band arbitrary HF modulation and noise generator |
| 12/02/1997 | US5694093 Wideband IQ modulator with RC/CR automatic quadrature network |
| 11/27/1997 | WO1997044940A1 An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio transmitter |
| 11/27/1997 | WO1997044932A1 Apparatus and method for signal timing error detection |
| 11/27/1997 | WO1997044931A1 A receiver and method thereof |
| 11/27/1997 | WO1997044898A1 An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio |
| 11/27/1997 | WO1997044892A1 An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio receiver |
| 11/26/1997 | EP0809403A2 Shared hybrid fiber-coax network having reduced ingress noise |
| 11/26/1997 | EP0809367A1 Method and programmable apparatus for the production of trains of pulses with variable width |
| 11/26/1997 | EP0808534A2 Method of communication channel monitoring using parity bits |
| 11/26/1997 | EP0808532A1 Frequency hopped return link with net entry channel for a satellite personal communications system |
| 11/26/1997 | CN1166098A Digital demodulator, maximum-value selector, and diversity receiver |
| 11/26/1997 | CN1166088A Circuit for 2-level/4-level frequency shift keying modulation |
| 11/25/1997 | US5692020 Signal processing apparatus and method |
| 11/25/1997 | US5692016 Process and arrangement for adjusting the local oscillators of a receiver in a multi-channel transmission system |
| 11/25/1997 | US5692014 Subsampled carrier recovery for high data rate demodulators |
| 11/25/1997 | US5692013 Shared resources modulator-demodulator circuits for use with quadrature amplitude modulated signals |
| 11/25/1997 | US5692011 Dual decision equalization apparatus |
| 11/25/1997 | US5692007 Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation |
| 11/25/1997 | US5691988 Method for measuring the sensitivities and interference wave properties fo receivers |
| 11/25/1997 | CA2128609C Modem including an equalizer for amplitude jitter |
| 11/20/1997 | DE19720017A1 90 Degree phase shifter with half frequency divider |
| 11/20/1997 | DE19617141C1 Verfahren zur digitalen Phasenschritt-Modulation und System zur Durchführung des Verfahrens A method of digital phase-modulation step and system for carrying out the method |
| 11/19/1997 | EP0808047A1 Digital demodulator for phase modulated signals |
| 11/19/1997 | EP0808031A2 Spread spectrum multi-path demodulator |
| 11/19/1997 | EP0808028A1 Pulse modulating method, pulse modulator, and pulse demodulator |
| 11/19/1997 | EP0807344A1 Method and apparatus for generating plural quadrature modulated carriers |
| 11/19/1997 | EP0548205B1 Reception of orthogonal frequency division multiplexed signals |
| 11/19/1997 | CN1165465A Receiver integrated circuit for mobile telephone |
| 11/19/1997 | CN1165447A Data receiving apparatus |
| 11/19/1997 | CN1165441A Asymmetric filter combination for digital transmission system |
| 11/19/1997 | CN1165440A Data decording apparatus |
| 11/18/1997 | US5689820 Vehicle location unit |
| 11/18/1997 | US5689816 Method and apparatus for differentiating a wireless analog signal from a wireless digitally encoded signal |
| 11/18/1997 | US5689529 Communications method and apparatus for digital information |
| 11/18/1997 | US5689528 Decision feedback equalizer with adaptive filter array operating as feedforward filter of the equalizer |
| 11/18/1997 | CA2102495C A method and apparatus for providing carrier frequency offset compensation in a tdma communication system |
| 11/13/1997 | WO1997042741A2 A receiver, a demodulator, and a demodulation method |
| 11/13/1997 | WO1997037458A3 Communication server apparatus and method |
| 11/13/1997 | DE19618561A1 Continuous process method for multicarrier signal |
| 11/12/1997 | EP0806852A2 A multimode digital modem |