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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 |
| 7620005 |
Method and apparatus for code assignment in a spread spectrum wireless communication system |
Nov. 17, 2009 |
| 7620095 |
RF modem utilizing saw device with pulse shaping and programmable frequency synthesizer |
Nov. 17, 2009 |
| RE40986 |
Channel simulator for mobile systems |
Nov. 17, 2009 |
| 7616965 |
Method and apparatus for calculating a device location |
Nov. 10, 2009 |
| 7616677 |
Downlink power control with limit to dynamic range using detection of downlink transmit power |
Nov. 10, 2009 |
| 7613226 |
Method and apparatus for transferring signals in a wireless communication system |
Nov. 3, 2009 |
| 7613225 |
System and method for secure communication of collected amphibious data |
Nov. 3, 2009 |
| 7613158 |
Method of quadrature spreading |
Nov. 3, 2009 |
| 7609750 |
Segment-wise channel equalization based data estimation |
Oct. 27, 2009 |
| 7609749 |
Method and apparatus for generating non-recursive variable rate orthogonal spreading codes |
Oct. 27, 2009 |
| 7609748 |
Method, system and apparatus for maximizing a jammer's time-on-target and power-on-target |
Oct. 27, 2009 |
| 7609751 |
Method and apparatus to initiate communications between an unknown node and an existing secure network |
Oct. 27, 2009 |
| 7606567 |
Channel allocation for burst transmission to a diversity of satellites |
Oct. 20, 2009 |
| 7599420 |
System and method for distributed input distributed output wireless communications |
Oct. 6, 2009 |
| 7599665 |
Selection of radio resources in a wireless communication device |
Oct. 6, 2009 |
| 7596166 |
Integrated circuit device including a spectrum spread clock generator, method for controlling the device, and ink-jet recording apparatus including the device |
Sep. 29, 2009 |
| 7586972 |
Code division multiple access enhanced capacity system |
Sep. 8, 2009 |
| 7586977 |
Transmission power control method, mobile station, and radio network controller |
Sep. 8, 2009 |
| 7583745 |
Exploiting selection diversity in communications systems with non-orthonormal matrix and vector modulation |
Sep. 1, 2009 |
| 7580400 |
Apparatus and method for generating preamble signal for cell identification in an orthogonal frequency division multiplexing system |
Aug. 25, 2009 |
| 7577180 |
Method and system for maintaining synchronization in low-power mode over a frequency hopping radio link |
Aug. 18, 2009 |
| 7555028 |
Method and system for defining additional spread spectrum channels within a coverage area of an existing wireless network |
Jun. 30, 2009 |
| 7551898 |
Channel quality feedback mechanism and method |
Jun. 23, 2009 |
| 7539235 |
Matched filter for scalable spread spectrum communications systems |
May. 26, 2009 |
| 7535822 |
Synchronization of remote units for a communication network |
May. 19, 2009 |
| 7535950 |
Blind selected mapping techniques for crest factor reduction of forward link CDMA signals |
May. 19, 2009 |
| 7526011 |
Radio communication system, transmitter, receiver and radio communicating method |
Apr. 28, 2009 |
| 7519101 |
Method and apparatus for using empty time slots for spread spectrum encoding |
Apr. 14, 2009 |
| 7519102 |
Method of assignment and transmission of spread signals in direct sequence spread spectrum CDMA mobile communication system, mobile communication system, and transmitter, receiver and transmit |
Apr. 14, 2009 |
| 7519103 |
Pre-phase error correction transmitter |
Apr. 14, 2009 |
| 7519104 |
Application of spreading codes to signals |
Apr. 14, 2009 |
| 7515627 |
System and method for ultra-wideband (UWB) communication transceiver |
Apr. 7, 2009 |
| 7512861 |
Method for determining identity of simultaneous events and applications to image sensing and A/D conversion |
Mar. 31, 2009 |
| 7508860 |
Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same |
Mar. 24, 2009 |
| 7508861 |
RACH ramp-up acknowledgement |
Mar. 24, 2009 |
| 7496145 |
Method and apparatus for reducing transmitter peak power requirements with orthogonal code noise shaping |
Feb. 24, 2009 |
| 7480236 |
Multipoint-to-point communication using orthgonal frequency division multiplexing and identification codes |
Jan. 20, 2009 |
| 7480266 |
Interference adaptation apparatus, systems, and methods |
Jan. 20, 2009 |
| 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 |
| 7440486 |
Noise shaping technique for spread spectrum communications |
Oct. 21, 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 |
| 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 |
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