| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 07/13/1999 | US5923030 System and method for recovering a signal of interest from a phase modulated signal using quadrature sampling |
| 07/08/1999 | WO1999034570A1 Digital demodulator |
| 07/08/1999 | WO1999034569A1 Carrier reproduction circuit |
| 07/08/1999 | WO1999034568A1 Circuit for capturing frame sync signal in receiver |
| 07/08/1999 | WO1999034567A1 Demodulation method and demodulator |
| 07/08/1999 | WO1999034566A1 System, device and method for pcm upstream transmission utilizing an optimized transmit constellation |
| 07/08/1999 | WO1999034565A1 Device and method for precoding data signals for pcm transmission |
| 07/08/1999 | WO1999034526A1 A transmitter and a method for transmitting data |
| 07/08/1999 | WO1999034521A1 Coding method and apparatus |
| 07/08/1999 | WO1999023782A3 Communications methods and apparatus |
| 07/08/1999 | CA2317547A1 System, device and method for pcm upstream transmission utilizing an optimized transmit constellation |
| 07/08/1999 | CA2317545A1 Device and method for precoding data signals for pcm transmission |
| 07/07/1999 | EP0928084A2 Universal modem for digital video, audio and data communications |
| 07/07/1999 | EP0928072A2 Transmitter linearization feedback |
| 07/07/1999 | EP0927493A1 Set top terminal for an interactive information distribution system |
| 07/07/1999 | EP0927480A1 Interference mitigation by joint detection of cochannel signals |
| 07/07/1999 | EP0927472A1 Component timing recovery system for qam |
| 07/07/1999 | CN1222277A Transmitter for QAM encoded data |
| 07/07/1999 | CN1222276A Digital radio frequency interference canceller |
| 07/07/1999 | CN1222273A Receiver and method thereof |
| 07/07/1999 | CN1222269A Radio frequency noise canceller |
| 07/07/1999 | CN1044063C Apps. for processing BPSK signals transmitted with NTSC TV on quadrature-phase video carrier |
| 07/06/1999 | US5920599 Soft decision decoder |
| 07/06/1999 | US5920598 Receiving apparatus and receiving method |
| 07/06/1999 | US5920597 Decoding technique for tail biting codes |
| 07/06/1999 | US5920595 Inter-cross wave compensation method and apparatus performing frequency conversion on signed not detected by a demodulating unit |
| 07/06/1999 | US5920593 Device for personal digital cellular telephones |
| 07/06/1999 | US5920555 Pilot assisted direct sequence spread spectrum synchronization apparatus |
| 07/06/1999 | US5920416 Optical method of transmitting digital data |
| 07/06/1999 | US5920238 Geometrically modulated waves |
| 07/06/1999 | US5920237 Constant envelope quadrature-quadrature amplitude modulation system |
| 07/06/1999 | US5920228 Digital demodulation with compensation for phase and frequency of tentatively demodulated signal |
| 07/06/1999 | CA2163134C Transmission bit rate discrimination method and apparatus |
| 07/06/1999 | CA2153761C Demodulator capable of improving a symbol error rate without decreasing a transmission rate |
| 07/01/1999 | WO1999033238A1 Modulating a digital signal with narrow spectrum and substantially constant envelope |
| 07/01/1999 | WO1999033237A1 Data transmission method and transmitter |
| 07/01/1999 | WO1999033236A1 Method and arrangement for signal modulation |
| 07/01/1999 | WO1999033234A1 Group delay equalizer |
| 07/01/1999 | WO1999033217A2 Method for frequency error estimation |
| 07/01/1999 | WO1999033215A1 Spectral optimization and joint signaling techniques for communication in the presence of cross talk |
| 07/01/1999 | WO1999033166A1 N-port direct receiver |
| 07/01/1999 | WO1999007122A8 Biphase modulator with balun design |
| 07/01/1999 | CA2315902A1 Modulating a digital signal with narrow spectrum and substantially constant envelope |
| 07/01/1999 | CA2315196A1 Spectral optimization and joint signaling techniques for communication in the presence of cross talk |
| 06/30/1999 | EP0926856A2 Crosstalk suppression in a radio network |
| 06/30/1999 | EP0926812A1 Six-port junction device |
| 06/30/1999 | EP0926811A1 Modulator with low crosstalk |
| 06/30/1999 | EP0925672A1 Reduction of the peak to average power ratio in multicarrier modulation system |
| 06/30/1999 | EP0925661A1 A decoding technique for tail biting codes |
| 06/30/1999 | CN1221525A Method and apparatus for interference decorrelation in time and space |
| 06/30/1999 | CA2256067A1 Quantizer that uses optimum decision thresholds |
| 06/29/1999 | US5917872 Single chip device for decoding analog signals carrying digital data |
| 06/29/1999 | US5917871 Bit synchronization circuit and method capable of correct bit synchronization for both 2-value and 4-value FSK transmission signals |
| 06/29/1999 | US5917869 Apparatus and method for timing/carrier recovery in bandwidth-efficient communications systems |
| 06/29/1999 | US5917864 Automatic frequency control circuit |
| 06/29/1999 | US5917858 Digital transmission system with symbol encoding which maximizes the signal amplitude-to-noise ratio |
| 06/29/1999 | US5917809 Asymmetric digital subscriber loop modem and method |
| 06/29/1999 | US5917384 Modulating array transmitter and method having improved on-off keying |
| 06/29/1999 | US5917372 Automatic gain control circuit |
| 06/29/1999 | CA2149585C Digital vsb detector with bandpass phase tracker using rader filters, as for use in an hdtv receiver |
| 06/24/1999 | WO1999031852A1 Multi-carrier method and device for implementing said method |
| 06/24/1999 | WO1999031851A1 Receiver |
| 06/24/1999 | WO1999031850A1 Apparatus for generating absolute phase of signal received by receiver |
| 06/24/1999 | WO1999031836A1 Transmitter and receiver |
| 06/24/1999 | WO1999031809A1 Pragmatic trellis-coded modulation system and method therefor |
| 06/24/1999 | WO1999031808A1 Demodulation system and method therefor |
| 06/24/1999 | WO1999031807A1 Σδ modulator-controlled phase-locked-loop circuit and associated method |
| 06/24/1999 | WO1999026338B1 Method and apparatus for estimating a frequency offset |
| 06/24/1999 | WO1999020061A3 Method and receiving device for estimating channels in communications systems |
| 06/24/1999 | WO1999019990A3 Compensation of delay in linearization loop of power amplifier |
| 06/24/1999 | WO1999018657A3 Down/up-conversion apparatus and method |
| 06/24/1999 | WO1998059472A3 Filter method and apparatus for combined multiple frequency signals |
| 06/23/1999 | EP0924911A1 Multicarrier method of transmission on power distribution networks |
| 06/23/1999 | EP0924910A1 Method and apparatus for decoding COFDM-data |
| 06/23/1999 | EP0924909A1 Methods and apparatus for decoding DOFDM-data |
| 06/23/1999 | EP0924908A2 Frequency control in PSK receivers |
| 06/23/1999 | EP0924892A2 Circuit for reproducing bit timing and method of reproducing bit timing |
| 06/23/1999 | EP0924858A2 Digital filter, digital signal processing method, and communication apparatus |
| 06/23/1999 | EP0924532A2 Method and apparatus for receiving GPS/GLONASS signals |
| 06/23/1999 | EP0923824A2 Improvements in, or relating to, control channels for telecommunications transmission systems |
| 06/23/1999 | EP0923823A2 Improvements in, or relating to, multi-carrier transmission systems |
| 06/23/1999 | EP0923822A2 Improvements in, or relating to, multi-carrier transmission systems |
| 06/23/1999 | EP0923821A1 Improvements in, or relating to, multi-carrier transmission systems |
| 06/23/1999 | EP0923809A1 Satellite receiver |
| 06/23/1999 | CN1220797A Apparatus, method and article of manufacture for carrier frequency compensation in an FM radio transmitter |
| 06/23/1999 | CN1220785A Apparatus, method and article of manufacture for carrier frequency compensation in an FM radio |
| 06/23/1999 | CN1220547A Cable modem tuner |
| 06/23/1999 | CN1220524A Direct conversion receiver using single reference clock signal |
| 06/22/1999 | US5915213 Transmitter apparatus with linearizing circuit to compensate for distortion in power amplifier |
| 06/22/1999 | US5915210 Method and system for providing multicarrier simulcast transmission |
| 06/22/1999 | US5915003 Sketching unit for transmission of sketches and notes over normal telephone lines |
| 06/22/1999 | US5914993 Multirate transmission system |
| 06/22/1999 | US5914990 Filtering in a receiver that uses log-polar signal processing |
| 06/22/1999 | US5914985 Digital demodulator |
| 06/22/1999 | US5914983 Digital signal error reduction apparatus |
| 06/22/1999 | US5914981 Method to indicate synchronization lock of a remote station with a base station for a discrete multitone spread spectrum communications system |
| 06/22/1999 | US5914933 For wireless transmission of blocks of data |
| 06/22/1999 | US5914932 Reception method of a multicarrier system |
| 06/22/1999 | US5914931 Method of initial frame synchronization using orthogonal frequency division multiplexing signals |
| 06/22/1999 | US5914623 90°-phase shifter |