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Class Information
Number: 375/146
Name: Pulse or digital communications > Spread spectrum > Direct sequence > Transmitter
Description: Subject matter comprising formation and sending of signals.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620115 |
Space code block coding and spreading apparatus and method for transmission diversity and CDMA diversity transmitter and CDMA mobile station receiver using the same |
Nov. 17, 2009 |
| 7616677 |
Downlink power control with limit to dynamic range using detection of downlink transmit power |
Nov. 10, 2009 |
| 7616678 |
Multi-carrier constant envelope signal scheme for power and bandwidth efficient communications |
Nov. 10, 2009 |
| 7616682 |
Method and device for chronologically synchronizing a location network |
Nov. 10, 2009 |
| 7613239 |
Digital signal offset adjusting apparatus and pulse pattern generator using the same |
Nov. 3, 2009 |
| 7613158 |
Method of quadrature spreading |
Nov. 3, 2009 |
| 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 |
| 7609608 |
Method and apparatus for data transfer using a time division multiple frequency scheme with additional modulation |
Oct. 27, 2009 |
| 7606288 |
Burst spread spectrum radio system and method for asset tracking and data telemetry |
Oct. 20, 2009 |
| 7606320 |
Apparatus and method for space-frequency block coding/decoding in a communication system |
Oct. 20, 2009 |
| 7602855 |
Method and apparatus for singular value decomposition of a channel matrix |
Oct. 13, 2009 |
| 7602835 |
Multi-rate spread spectrum composite code |
Oct. 13, 2009 |
| 7596169 |
Method of geometric harmonic signal modulation |
Sep. 29, 2009 |
| 7593383 |
Uplink transmitter in a random phase multiple access communication system |
Sep. 22, 2009 |
| 7593449 |
Multicarrier sub-layer for direct sequence channel and multiple-access coding |
Sep. 22, 2009 |
| 7593477 |
Training sequence for linearizing an RF amplifier |
Sep. 22, 2009 |
| 7590191 |
Means for transmitting two signals on the same frequency at the same time for use in mobile and fixed applications |
Sep. 15, 2009 |
| 7590190 |
System and method for forward path gain control in a digital predistortion linearized transmitter |
Sep. 15, 2009 |
| 7586979 |
Method for transmitting signals using antenna diversity, for instance in mobile communication systems, transmitter, receiver and computer program product therefor |
Sep. 8, 2009 |
| 7586978 |
GMSK spread modulation |
Sep. 8, 2009 |
| 7586977 |
Transmission power control method, mobile station, and radio network controller |
Sep. 8, 2009 |
| 7586972 |
Code division multiple access enhanced capacity system |
Sep. 8, 2009 |
| 7586835 |
Apparatus for generating 2D spreading code and method for the same |
Sep. 8, 2009 |
| 7586293 |
Digital modulation circuit |
Sep. 8, 2009 |
| 7583982 |
Method and apparatus to improve channel quality for use in wireless communications systems with multiple-input multiple-output (MIMO) antennas |
Sep. 1, 2009 |
| 7583745 |
Exploiting selection diversity in communications systems with non-orthonormal matrix and vector modulation |
Sep. 1, 2009 |
| 7583721 |
Spread spectrum modulator and demodulator |
Sep. 1, 2009 |
| 7583638 |
Device and method for processing a digital data signal in a CDMA radio transmitter |
Sep. 1, 2009 |
| 7580444 |
Frequency hopping communication system |
Aug. 25, 2009 |
| 7580445 |
Nonlinear precoding in code-division multiple access communication system |
Aug. 25, 2009 |
| 7580446 |
Radio communication apparatus and radio communication method |
Aug. 25, 2009 |
| 7577183 |
Transmission apparatus and peak reduction method |
Aug. 18, 2009 |
| 7570712 |
System and method for transmitting ultrawide bandwidth signals |
Aug. 4, 2009 |
| 7570626 |
Communication method, transmitting device using the same, and receiving device using the same |
Aug. 4, 2009 |
| 7564908 |
Method and apparatus for encryption of over-the-air communications in a wireless communication system |
Jul. 21, 2009 |
| 7558310 |
Multi-scale code division frequency/wavelet multiple access |
Jul. 7, 2009 |
| 7558313 |
Cross-correlated TDMA, spread spectrum, CDMA and OFDM systems |
Jul. 7, 2009 |
| 7558335 |
Communication system modulating/demodulating data using antenna patterns and associated methods |
Jul. 7, 2009 |
| 7545884 |
Digital baseband modulation apparatus and demodulation apparatus |
Jun. 9, 2009 |
| 7545849 |
Signal spectrum spreading and combining system and method |
Jun. 9, 2009 |
| 7545846 |
Interference cancellation in a spread spectrum communication system |
Jun. 9, 2009 |
| 7545845 |
Wireless communication system, wireless transmitter, wireless receiver, wireless communication method, wireless transmission method and wireless reception method |
Jun. 9, 2009 |
| 7535983 |
Method for identifying the beginning of a UWB pulse sequence |
May. 19, 2009 |
| 7535951 |
Code division multiplexing communication system |
May. 19, 2009 |
| 7536013 |
User equipment identification specific scrambling |
May. 19, 2009 |
| 7532680 |
Multi-mode radio frequency transmitter |
May. 12, 2009 |
| 7532681 |
Wireless communication apparatus |
May. 12, 2009 |
| 7532691 |
Parallel architecture digital filter and spread spectrum signal receiver using such a filter |
May. 12, 2009 |
| 7529308 |
Communication apparatus and communication method using digital wavelet multi carrier transmission system |
May. 5, 2009 |
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