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Class Information
Number: 375/142
Name: Pulse or digital communications > Spread spectrum > Direct sequence > End-to-end transmission system > Having 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.
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 |
| 7616715 |
Method and system for estimating the speed of a mobile device in a network |
Nov. 10, 2009 |
| 7616717 |
Coarse timing synchronization |
Nov. 10, 2009 |
| 7613227 |
Reverse link correlation filter in wireless communication systems |
Nov. 3, 2009 |
| 7613258 |
Apparatus and method for determining GPS tracking loop parameter based on SNR estimation |
Nov. 3, 2009 |
| 7609751 |
Method and apparatus to initiate communications between an unknown node and an existing secure network |
Oct. 27, 2009 |
| 7606292 |
Sub-sequence accumulation filter and method |
Oct. 20, 2009 |
| 7602834 |
System and method for determining a fine frequency offset of a received signal |
Oct. 13, 2009 |
| 7602835 |
Multi-rate spread spectrum composite code |
Oct. 13, 2009 |
| 7599425 |
Multiple channel joint decoding at mobile handset |
Oct. 6, 2009 |
| 7599344 |
Method and apparatus for reducing multi-user processing in wireless communication systems |
Oct. 6, 2009 |
| 7599421 |
Spread spectrum applications of universal frequency translation |
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 |
| 7590164 |
Method and apparatus for efficient use of communication resources in a communication system |
Sep. 15, 2009 |
| 7586974 |
Method and apparatus for rake finger allocation in a DS-CDMA receiver |
Sep. 8, 2009 |
| 7586976 |
Initial ranging detection for OFDMA systems |
Sep. 8, 2009 |
| 7583720 |
Wireless communication method and apparatus for assigning multi-paths to rake receiver fingers |
Sep. 1, 2009 |
| 7583740 |
Apparatus and method for tracking sampling clock in multi-carrier communication system |
Sep. 1, 2009 |
| 7580464 |
Method for detecting UWB pulse sequences and analog detection means suitable for this purpose |
Aug. 25, 2009 |
| 7580451 |
Decoding of Walsh codes |
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 |
| 7577188 |
Physical layer and MAC enhancements using complex sequences on a wireless channel |
Aug. 18, 2009 |
| 7570577 |
Apparatus, method, and program for detecting communication parameter |
Aug. 4, 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 |
| 7551692 |
Frequency recovery apparatus and method for use in digital broadcast receiver |
Jun. 23, 2009 |
| 7551898 |
Channel quality feedback mechanism and method |
Jun. 23, 2009 |
| 7548576 |
Self organization of wireless sensor networks using ultra-wideband radios |
Jun. 16, 2009 |
| 7545854 |
Doppler corrected spread spectrum matched filter |
Jun. 9, 2009 |
| 7539239 |
Apparatus for rapid PN code acquisition |
May. 26, 2009 |
| 7532686 |
Correlator and receiving apparatus utilizing the same |
May. 12, 2009 |
| 7529290 |
Radar apparatus |
May. 5, 2009 |
| 7526014 |
Correlator for spread spectrum receiver |
Apr. 28, 2009 |
| 7526015 |
Parallel correlator implementation using hybrid correlation in spread-spectrum communication |
Apr. 28, 2009 |
| 7522556 |
Signal recognition in an on-frequency repeater |
Apr. 21, 2009 |
| 7522654 |
Finger using mixed weighting, and its application for demodulation apparatus and method |
Apr. 21, 2009 |
| 7523160 |
Information provision exchange service system and method, program for implementing the method, and storage medium storing the program |
Apr. 21, 2009 |
| 7519101 |
Method and apparatus for using empty time slots for spread spectrum encoding |
Apr. 14, 2009 |
| 7515558 |
Code division multiple access communication system, and a base station control device and a base station thereof |
Apr. 7, 2009 |
| 7515653 |
Digital broadcasting receiver, driving method thereof, and self-diagnosis method thereof |
Apr. 7, 2009 |
| 7508865 |
System and method for tracking an ultrawide bandwidth signal |
Mar. 24, 2009 |
| 7508860 |
Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same |
Mar. 24, 2009 |
| 7502431 |
Method and apparatus for estimating response characteristic, and receiving method and receiver utilizing the same |
Mar. 10, 2009 |
| 7502312 |
Fourier-transform based linear equalization for CDMA downlink |
Mar. 10, 2009 |
| 7499483 |
Receiver capable of enhancing receiving efficiency in a code division multiple access communication system |
Mar. 3, 2009 |
| 7499485 |
Method and apparatus for detecting GPS data-bit boundaries and detecting GPS satellite-signal reception |
Mar. 3, 2009 |
| 7499509 |
Receiver for compensating nonlinearly distorted multicarrier signals |
Mar. 3, 2009 |
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