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Class Information
Number: 375/145
Name: Pulse or digital communications > Spread spectrum > Direct sequence > End-to-end transmission system > Having specific signaling for code synchronization
Description: Subject matter in which methods, involving the transmission of specific types of patterns or waveforms, are used to insure that proper spreading sequence timing is used at the receiver.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609752 |
Transmitter and transmission control method used in random access communication environment |
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 |
| 7602835 |
Multi-rate spread spectrum composite code |
Oct. 13, 2009 |
| 7599309 |
Method and apparatus for managing cell-by-cell demodulation timings of a user equipment in an asynchronous mobile telecommunication system |
Oct. 6, 2009 |
| 7599421 |
Spread spectrum applications of universal frequency translation |
Oct. 6, 2009 |
| 7596170 |
Coherent detection without transmission preamble |
Sep. 29, 2009 |
| 7596105 |
User equipment for synchronizing to a TDD base station |
Sep. 29, 2009 |
| 7593453 |
Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system |
Sep. 22, 2009 |
| 7593371 |
Radio communication system and base station employing CDMA |
Sep. 22, 2009 |
| 7583737 |
OFDM signal receiver device and OFDM signal receiving method |
Sep. 1, 2009 |
| 7580466 |
Demodulation device and demodulation method |
Aug. 25, 2009 |
| 7580475 |
Base station having a set of phased array antennas |
Aug. 25, 2009 |
| 7570684 |
Method for joint time synchronization and frequency offset estimation in OFDM system and apparatus of the same |
Aug. 4, 2009 |
| 7568058 |
Rate matching apparatus, systems, and methods |
Jul. 28, 2009 |
| 7564905 |
System and method for providing terrestrial digital broadcasting service using single frequency network |
Jul. 21, 2009 |
| 7564774 |
Communication network using code division multiplexing technology |
Jul. 21, 2009 |
| 7561614 |
Communication apparatus and communication method using digital wavelet multi carrier transmission system |
Jul. 14, 2009 |
| 7545895 |
High performance W-CDMA slot synchronisation for initial cell search with reduced hardware |
Jun. 9, 2009 |
| 7545848 |
High resolution time stamps for periodic samples |
Jun. 9, 2009 |
| 7539239 |
Apparatus for rapid PN code acquisition |
May. 26, 2009 |
| 7535983 |
Method for identifying the beginning of a UWB pulse sequence |
May. 19, 2009 |
| 7536014 |
Apparatus and method for generating scrambling code in UMTS mobile communication system |
May. 19, 2009 |
| 7529264 |
Use of orthogonal or near orthogonal codes in reverse link |
May. 5, 2009 |
| 7529291 |
Methods and structures for rapid code acquisition in spread spectrum communications |
May. 5, 2009 |
| 7526010 |
Doped multi-rate spread spectrum composite code |
Apr. 28, 2009 |
| 7508860 |
Pulse signal generator for ultra-wideband radio transception and radio transceiver having the same |
Mar. 24, 2009 |
| 7492810 |
Method and apparatus for segmented code correlation |
Feb. 17, 2009 |
| 7489755 |
Method and apparatus for transmission and reception of data |
Feb. 10, 2009 |
| 7483473 |
Access channel structure for wireless communication system |
Jan. 27, 2009 |
| 7480266 |
Interference adaptation apparatus, systems, and methods |
Jan. 20, 2009 |
| 7477680 |
De-spreader operative with selectable operational clock for spread spectrum communication and a method for the same |
Jan. 13, 2009 |
| 7471754 |
Method and device for fine synchronization of a digital telecommunication receiver |
Dec. 30, 2008 |
| 7471932 |
System and method for embedding OFDM in CDMA systems |
Dec. 30, 2008 |
| 7453920 |
Code synchronization in CDMA satellite wireless communications system using uplink channel detection |
Nov. 18, 2008 |
| 7447253 |
Method and apparatus for processing satellite positioning system signals to obtain time information |
Nov. 4, 2008 |
| 7437177 |
Method employed by a base station for controlling initial power ramp-up using short codes |
Oct. 14, 2008 |
| 7426391 |
Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system |
Sep. 16, 2008 |
| 7423577 |
System and method for transmitting high data rate information from a radar system |
Sep. 9, 2008 |
| 7412014 |
Timing-adjusting method and apparatus, and diversity receiving method and apparatus |
Aug. 12, 2008 |
| 7403507 |
System and method for recovering system time in direct sequence spread spectrum communications |
Jul. 22, 2008 |
| 7403555 |
Acquisition circuit for low chip rate option for mobile telecommunication system |
Jul. 22, 2008 |
| 7400654 |
Method for synchronizing a receiver with a transmitter |
Jul. 15, 2008 |
| 7388901 |
Method for receiving spectrum spreading signals with frequency shift correction |
Jun. 17, 2008 |
| 7388899 |
Spreading code structure for ultra wide band communications |
Jun. 17, 2008 |
| 7386026 |
Method and system for synchronizing and selectively addressing multiple receivers in a wireless, spread spectrum communication system |
Jun. 10, 2008 |
| 7386035 |
Method of compensating for energy loss and eliminating inter-symbol interference and inter-chip interference and rake receiver for WLAN adopting the same |
Jun. 10, 2008 |
| 7379748 |
Method for speeding up synchronization by having a search frequency list comprising a limited number of search frequencies |
May. 27, 2008 |
| 7372926 |
Radio receiver apparatus |
May. 13, 2008 |
| 7366228 |
Synchronization detecting apparatus |
Apr. 29, 2008 |
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