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Class Information
Number: 375/141
Name: Pulse or digital communications > Spread spectrum > Direct sequence > End-to-end transmission system
Description: Subject matter comprising at least two stations where signals are transmitted and received between stations.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7474688 |
System and method for detecting multiple direct sequence spread spectrum signals using a multi-mode searcher |
Jan. 6, 2009 |
| 7471736 |
Frequency based modulator compensation |
Dec. 30, 2008 |
| 7471657 |
Method and apparatus for processing a punctured pilot channel |
Dec. 30, 2008 |
| 7469124 |
Rate adaptive satellite communications |
Dec. 23, 2008 |
| 7463700 |
Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification |
Dec. 9, 2008 |
| 7460580 |
Segment-wise channel equalization based data estimation |
Dec. 2, 2008 |
| 7457371 |
Transmission signal generating circuit and radio base station communication apparatus using the same |
Nov. 25, 2008 |
| 7447270 |
Method for controlling the data signal weighting in multi-element transceivers and corresponding devices and telecommunications network |
Nov. 4, 2008 |
| 7440487 |
Method and system of transmitting words representing transmission parameters respectively allocated to mobile stations communicating with a base station in a mobile communication system |
Oct. 21, 2008 |
| 7440486 |
Noise shaping technique for spread spectrum communications |
Oct. 21, 2008 |
| 7440492 |
Interference canceller for CDMA mobile stations |
Oct. 21, 2008 |
| 7437161 |
Method of fast data transmission of mobile stations via the same base station |
Oct. 14, 2008 |
| 7433382 |
Spread spectrum based multichannel modulation for ultra wideband communications |
Oct. 7, 2008 |
| 7430232 |
Method and system for broadcasting a programme |
Sep. 30, 2008 |
| 7426177 |
Round trip delay adjustment in multipoint-to-point communication using orthogonal frequency division multiplexing |
Sep. 16, 2008 |
| 7424046 |
Spread spectrum clock signal generation system and method |
Sep. 9, 2008 |
| 7424009 |
Method of mapping chips of a spread out symbol to sub-channels of a multi-carrier transmission network |
Sep. 9, 2008 |
| 7420506 |
Cumulant-based discriminator for GNSS code alignment |
Sep. 2, 2008 |
| 7418027 |
Method and apparatus for ultra wideband communications system employing a spread spectrum technique transmitting a baseband signal over a wide frequency band |
Aug. 26, 2008 |
| 7418028 |
Agile RF band OFDM spread spectrum and cross-correlated systems |
Aug. 26, 2008 |
| 7415060 |
Spread spectrum communication system |
Aug. 19, 2008 |
| 7411995 |
Apparatus and related methods to aid in system identification in a heterogeneous communication system environment |
Aug. 12, 2008 |
| 7408975 |
Transmit power adaptation for CDMA communication systems using successive interference cancellation |
Aug. 5, 2008 |
| 7403747 |
Tuning a station |
Jul. 22, 2008 |
| 7397859 |
Multi-carrier communication systems employing variable symbol rates and number of carriers |
Jul. 8, 2008 |
| 7397839 |
OFDM communication system and method |
Jul. 8, 2008 |
| 7391806 |
Digital data exchange device in a CDMA system |
Jun. 24, 2008 |
| 7388899 |
Spreading code structure for ultra wide band communications |
Jun. 17, 2008 |
| RE40385 |
Orthogonal complex spreading method for multichannel and apparatus thereof |
Jun. 17, 2008 |
| 7386026 |
Method and system for synchronizing and selectively addressing multiple receivers in a wireless, spread spectrum communication system |
Jun. 10, 2008 |
| 7386031 |
Mulitcarrier CDMA transmission system and transmission method |
Jun. 10, 2008 |
| 7382822 |
Code acquisition device and method using two-step search process in DS-CDMA UWB modem |
Jun. 3, 2008 |
| 7376173 |
Unambiguously encoding and decoding signals for wireless channels |
May. 20, 2008 |
| 7369599 |
Method and apparatus for reducing code phase search space |
May. 6, 2008 |
| 7366226 |
Pilot channel tracking method based on multipath barycenter tracking loop |
Apr. 29, 2008 |
| 7359428 |
VDSL transmission employing multi-code multi carrier CDMA modulation |
Apr. 15, 2008 |
| 7359678 |
Signal processing semiconductor integrated circuit device and wireless communication system |
Apr. 15, 2008 |
| 7359427 |
Rach ramp-up acknowledgement |
Apr. 15, 2008 |
| 7356094 |
Digital broadcast receiving apparatus |
Apr. 8, 2008 |
| 7346094 |
System and method for transmitting data and additional information simultaneously within a wire based communication system |
Mar. 18, 2008 |
| RE40111 |
Wireless alarm system |
Feb. 26, 2008 |
| 7336697 |
Code division multiple access mobile communication system |
Feb. 26, 2008 |
| 7330496 |
System and method for spread spectrum communication |
Feb. 12, 2008 |
| 7327778 |
Multi-mok modulation/demodulation transmission process, corresponding transmitter and receiver |
Feb. 5, 2008 |
| 7327779 |
Method and apparatus for high-speed software reconfigurable code division multiple access communication |
Feb. 5, 2008 |
| 7324580 |
Method and apparatus for achieving channel variability in spread spectrum communication systems |
Jan. 29, 2008 |
| 7321635 |
Linearization of amplifiers using baseband detection and non-baseband pre-distortion |
Jan. 22, 2008 |
| 7313164 |
Method and system for switching and detecting PN codes for fast acquisition of burst signal |
Dec. 25, 2007 |
| RE39954 |
Automobile on-board and/or portable telephone system |
Dec. 25, 2007 |
| 7310364 |
Multirate, constant envelope, constant bandwidth, modulation, channelization and detection system based on orthogonal bipolar spreading vectors |
Dec. 18, 2007 |
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