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Class Information
Number: 375/130
Name: Pulse or digital communications > Spread spectrum
Description: Subject matter utilizing a data modulated signal which has its energy spread over a transmitted bandwidth which is much greater than the bandwidth or rate of information being sent.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620098 |
Enhanced method for demodulating constant-amplitude multi-code biorthogonal modulation signals |
Nov. 17, 2009 |
| 7620094 |
Spread spectrum clock generator |
Nov. 17, 2009 |
| 7620005 |
Method and apparatus for code assignment in a spread spectrum wireless communication system |
Nov. 17, 2009 |
| 7616719 |
Compensation for residual frequency offset, phase noise and sampling phase offset in wireless networks |
Nov. 10, 2009 |
| 7616679 |
Method and apparatus for searching cells utilizing down link preamble signal |
Nov. 10, 2009 |
| 7616678 |
Multi-carrier constant envelope signal scheme for power and bandwidth efficient communications |
Nov. 10, 2009 |
| 7613258 |
Apparatus and method for determining GPS tracking loop parameter based on SNR estimation |
Nov. 3, 2009 |
| 7613239 |
Digital signal offset adjusting apparatus and pulse pattern generator using the same |
Nov. 3, 2009 |
| 7613222 |
Wideband communication method |
Nov. 3, 2009 |
| 7609786 |
Channel estimation for a communication system using spectral estimation |
Oct. 27, 2009 |
| 7609775 |
Radio communication apparatus and communication method |
Oct. 27, 2009 |
| 7609749 |
Method and apparatus for generating non-recursive variable rate orthogonal spreading codes |
Oct. 27, 2009 |
| 7609747 |
Radio frequency communication network having adaptive communication parameters |
Oct. 27, 2009 |
| 7609197 |
Method for measuring distance and position using spread spectrum signal, and an equipment using the method |
Oct. 27, 2009 |
| 7606334 |
Channel estimation using pilot symbols |
Oct. 20, 2009 |
| 7606290 |
Architecture for signal acquisition with cyclic range search |
Oct. 20, 2009 |
| 7606289 |
Overlaying digital signals on analog wireless communication signals |
Oct. 20, 2009 |
| 7606288 |
Burst spread spectrum radio system and method for asset tracking and data telemetry |
Oct. 20, 2009 |
| 7606287 |
Radio frequency communication network having adaptive communication parameters |
Oct. 20, 2009 |
| 7602834 |
System and method for determining a fine frequency offset of a received signal |
Oct. 13, 2009 |
| 7602833 |
Apparatus and method for generating spreading code using jacket matrix and code channel spreading device using the same |
Oct. 13, 2009 |
| 7599674 |
Overload protection for receiver front end |
Oct. 6, 2009 |
| 7599421 |
Spread spectrum applications of universal frequency translation |
Oct. 6, 2009 |
| 7599344 |
Method and apparatus for reducing multi-user processing in wireless communication systems |
Oct. 6, 2009 |
| 7596169 |
Method of geometric harmonic signal modulation |
Sep. 29, 2009 |
| 7596167 |
Allocation method, network element, module and user device |
Sep. 29, 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 |
| 7593450 |
Dynamic frequency hopping |
Sep. 22, 2009 |
| 7593449 |
Multicarrier sub-layer for direct sequence channel and multiple-access coding |
Sep. 22, 2009 |
| 7590163 |
Spread spectrum clock generation |
Sep. 15, 2009 |
| 7586978 |
GMSK spread modulation |
Sep. 8, 2009 |
| 7586975 |
Code tracking apparatus and method under a multi-path environment in a DS-CDMA communication system |
Sep. 8, 2009 |
| 7586972 |
Code division multiple access enhanced capacity system |
Sep. 8, 2009 |
| 7583767 |
Method and apparatus for parallel midamble cancellation |
Sep. 1, 2009 |
| 7583721 |
Spread spectrum modulator and demodulator |
Sep. 1, 2009 |
| 7583720 |
Wireless communication method and apparatus for assigning multi-paths to rake receiver fingers |
Sep. 1, 2009 |
| 7583650 |
Frequency multiplexed architecture |
Sep. 1, 2009 |
| 7580642 |
Modulation scheme for tedons |
Aug. 25, 2009 |
| 7580475 |
Base station having a set of phased array antennas |
Aug. 25, 2009 |
| 7580443 |
Clock generating method and clock generating circuit |
Aug. 25, 2009 |
| 7580442 |
Receiving apparatus, receiving method and program thereof |
Aug. 25, 2009 |
| 7573932 |
Spread spectrum clock generator |
Aug. 11, 2009 |
| 7570189 |
Radio frequency data capture |
Aug. 4, 2009 |
| 7567636 |
Method and apparatus for performing signal correlation using historical correlation data |
Jul. 28, 2009 |
| 7564400 |
Spread spectrum radar apparatus |
Jul. 21, 2009 |
| 7561613 |
Digital carrier multi-band user codes for ultra-wideband multiple access |
Jul. 14, 2009 |
| 7558311 |
Spread spectrum clock generator and method for generating a spread spectrum clock signal |
Jul. 7, 2009 |
| 7558310 |
Multi-scale code division frequency/wavelet multiple access |
Jul. 7, 2009 |
| 7558309 |
Low-interference UWB wireless communication system and processing method thereof and storage medium recorded program of the same |
Jul. 7, 2009 |
| 7555077 |
Method for path-searcher scheduling |
Jun. 30, 2009 |
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