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Class Information
Number: 375/150
Name: Pulse or digital communications > Spread spectrum > Direct sequence > Receiver > Correlation-type receiver
Description: Subject matter in which transmitted signals are recovered using a structure or method that compares a transmitted spreading code sequence with a local spreading code sequence, generally by multiplicative means.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620099 |
WCDMA terminal baseband processing module having multi-path scanner module |
Nov. 17, 2009 |
| 7620098 |
Enhanced method for demodulating constant-amplitude multi-code biorthogonal modulation signals |
Nov. 17, 2009 |
| 7620097 |
Communications module, device, and method for implementing a system acquisition function |
Nov. 17, 2009 |
| 7616717 |
Coarse timing synchronization |
Nov. 10, 2009 |
| 7616715 |
Method and system for estimating the speed of a mobile device in a network |
Nov. 10, 2009 |
| 7616609 |
Apparatus, and associated method, for selecting codes of a code set for coding data communicated during operation of multi-access communication system |
Nov. 10, 2009 |
| 7613987 |
Method for wireless data transmission |
Nov. 3, 2009 |
| 7613258 |
Apparatus and method for determining GPS tracking loop parameter based on SNR estimation |
Nov. 3, 2009 |
| 7613257 |
Synchronizing method for impulse radio network |
Nov. 3, 2009 |
| 7613228 |
M-Algorithm multiuser detector with correlation based pruning |
Nov. 3, 2009 |
| 7613227 |
Reverse link correlation filter in wireless communication systems |
Nov. 3, 2009 |
| 7613158 |
Method of quadrature spreading |
Nov. 3, 2009 |
| 7606337 |
Enhancing signals |
Oct. 20, 2009 |
| 7606296 |
Decoding method and apparatus |
Oct. 20, 2009 |
| 7603133 |
Efficient frame tracking in mobile receivers |
Oct. 13, 2009 |
| 7602840 |
Acquisition of a gated pilot |
Oct. 13, 2009 |
| 7602835 |
Multi-rate spread spectrum composite code |
Oct. 13, 2009 |
| 7602834 |
System and method for determining a fine frequency offset of a received signal |
Oct. 13, 2009 |
| 7599453 |
Doppler spread estimation for OFDM systems |
Oct. 6, 2009 |
| 7599452 |
Method and system for applying Viterbi type PSK demodulation for optimum correlation of GPS signals |
Oct. 6, 2009 |
| 7599425 |
Multiple channel joint decoding at mobile handset |
Oct. 6, 2009 |
| 7599424 |
Antenna diversity technique for wireless communication |
Oct. 6, 2009 |
| 7596170 |
Coherent detection without transmission preamble |
Sep. 29, 2009 |
| 7596168 |
Diversity receiving apparatus, controlling method of the same, and computer-readable medium containing program therefor |
Sep. 29, 2009 |
| 7596167 |
Allocation method, network element, module and user device |
Sep. 29, 2009 |
| 7593456 |
Maximum likelihood block decision feedback estimation for CCK demodulation apparatus and method |
Sep. 22, 2009 |
| 7593455 |
Terminal for performing wake-up with consumption of low power and wake-up method thereof |
Sep. 22, 2009 |
| 7593454 |
Enhanced QPSK or DQPSK data demodulation for direct sequence spreading (DSS) system waveforms using orthogonal or near-orthogonal spreading sequences |
Sep. 22, 2009 |
| 7593449 |
Multicarrier sub-layer for direct sequence channel and multiple-access coding |
Sep. 22, 2009 |
| 7590164 |
Method and apparatus for efficient use of communication resources in a communication system |
Sep. 15, 2009 |
| 7586972 |
Code division multiple access enhanced capacity system |
Sep. 8, 2009 |
| 7583767 |
Method and apparatus for parallel midamble cancellation |
Sep. 1, 2009 |
| 7583740 |
Apparatus and method for tracking sampling clock in multi-carrier communication system |
Sep. 1, 2009 |
| 7580642 |
Modulation scheme for tedons |
Aug. 25, 2009 |
| 7580479 |
Receiving method and receiver |
Aug. 25, 2009 |
| 7580470 |
Apparatus for recovering E8-VSB map information and method thereof |
Aug. 25, 2009 |
| 7580451 |
Decoding of Walsh codes |
Aug. 25, 2009 |
| 7580450 |
Parameter estimator with dynamically variable integration time |
Aug. 25, 2009 |
| 7580449 |
DSSS and OFDM two-way waiting reception method and wireless LAN apparatus |
Aug. 25, 2009 |
| 7579985 |
Positioning apparatus, control method of positioning apparatus, control program for positioning apparatus, and computer readable recording medium for storing control program for positioning ap |
Aug. 25, 2009 |
| 7577188 |
Physical layer and MAC enhancements using complex sequences on a wireless channel |
Aug. 18, 2009 |
| 7577187 |
Method of noise factor computation for chip equalizer in spread spectrum receiver |
Aug. 18, 2009 |
| 7577185 |
Finger for symbol-rate weighting using in smart antenna system, and its application for demodulation apparatus and method |
Aug. 18, 2009 |
| 7565172 |
Adaptive antenna reception method and device |
Jul. 21, 2009 |
| 7564891 |
Method of using long cellized codes in a joint detection system |
Jul. 21, 2009 |
| 7561638 |
Demodulation apparatus and receiving apparatus |
Jul. 14, 2009 |
| 7558346 |
Symbol detector based on frequency offset compensation in ZigBee system and symbol detecting method thereof |
Jul. 7, 2009 |
| 7558312 |
Parallel correlator implementation using block integration for spread-spectrum communication |
Jul. 7, 2009 |
| 7555034 |
Apparatus and method for detecting timing error based on cyclic correlation |
Jun. 30, 2009 |
| 7555033 |
Binary offset carrier M-code envelope detector |
Jun. 30, 2009 |
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