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Class Information
Number: 455/67.16
Name: Telecommunications > Transmitter and receiver at separate stations > Having measuring, testing, or monitoring of system or part > Phase measuring (e.g., group delay, propagation effect, etc.)
Description: Subject matter including means to measure the change in phase of propagating waves.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7400896 |
Apparatus and method for estimating a signal power to interference power ratio in a wireless communication system |
Jul. 15, 2008 |
| 7398052 |
Method and a system for detecting communication relaying network elements |
Jul. 8, 2008 |
| 7398056 |
Channel estimation applique for multiple antenna wireless communications |
Jul. 8, 2008 |
| 7392018 |
Channel estimation applique for wireless communications |
Jun. 24, 2008 |
| 7363009 |
Method and apparatus for determining propagation delays for use in wide area networks |
Apr. 22, 2008 |
| 7342986 |
Digital PLL device |
Mar. 11, 2008 |
| 7321579 |
Method for analyzing data transmission throughput in a wireless LAN |
Jan. 22, 2008 |
| 7319686 |
Frame synchronization in multi-cell systems with a data interface |
Jan. 15, 2008 |
| 7315728 |
Polarized wave measuring apparatus, and antenna characteristic measuring apparatus and radio wave measuring apparatus using the same |
Jan. 1, 2008 |
| 7302267 |
Apparatus and method for estimating a velocity of a mobile terminal in a mobile communication system |
Nov. 27, 2007 |
| 7299013 |
Apparatus and method for correcting doppler shift in mobile communication systems |
Nov. 20, 2007 |
| 7299012 |
Circuit to add and subtract two differential signals |
Nov. 20, 2007 |
| 7286802 |
Wireless simulator |
Oct. 23, 2007 |
| 7269387 |
Method and apparatus for determining a distance between a base station and a mobile unit |
Sep. 11, 2007 |
| 7260168 |
Network measurement method and apparatus |
Aug. 21, 2007 |
| 7254402 |
GPS satellite signal acquisition assistance system and method in a wireless communications network |
Aug. 7, 2007 |
| 7245879 |
Apparatus and associated methods to perform intelligent transmit power control with subcarrier puncturing |
Jul. 17, 2007 |
| 7239849 |
Adaptive communication methods and apparatus |
Jul. 3, 2007 |
| 7236750 |
Techniques for correcting for phase and amplitude offsets in a MIMO radio device |
Jun. 26, 2007 |
| 7231184 |
Low overhead transmit channel estimation |
Jun. 12, 2007 |
| 7228115 |
Receiving method and receiver with high-precision signal estimation |
Jun. 5, 2007 |
| 7224942 |
Communications system employing non-polluting pilot codes |
May. 29, 2007 |
| 7221913 |
Effective time-of-arrival estimation algorithm for multipath environment |
May. 22, 2007 |
| 7218939 |
Estimation of a signal delay |
May. 15, 2007 |
| 7215971 |
Method and apparatus for compensation of Doppler induced error in a mobile handset |
May. 8, 2007 |
| 7213257 |
Determining phase linearity in CATV distribution systems |
May. 1, 2007 |
| 7203462 |
Antenna unit and radio base station therewith |
Apr. 10, 2007 |
| 7200414 |
Client-aiding with cellphones in a 150-KM radius area |
Apr. 3, 2007 |
| 7184714 |
Frequency domain estimation of IQ imbalance in a wireless OFDM direct conversion receiver using loopback connection |
Feb. 27, 2007 |
| 7184712 |
System and method for improving the quality of range measurement based upon historical data |
Feb. 27, 2007 |
| 7184708 |
Interference mitigation by adjustment of interconnect transmission characteristics |
Feb. 27, 2007 |
| 7181205 |
I/Q calibration |
Feb. 20, 2007 |
| 7174133 |
Systems and methods for determining the delay offsets of communication systems |
Feb. 6, 2007 |
| 7171164 |
Method of estimating downlink channel, and user equipment |
Jan. 30, 2007 |
| 7164725 |
Method and apparatus for antenna array beamforming |
Jan. 16, 2007 |
| 7164737 |
Method for estimating doppler frequency |
Jan. 16, 2007 |
| 7155171 |
Vector network analyzer applique for adaptive communications in wireless networks |
Dec. 26, 2006 |
| 7139581 |
Method and system for distance measurement in a low or zero intermediate frequency half-duplex communications loop |
Nov. 21, 2006 |
| 7139579 |
Relay and communication system |
Nov. 21, 2006 |
| 7130601 |
Determination of received signal strength in a direct conversion receiver |
Oct. 31, 2006 |
| 7123943 |
Method of generating directional antenna beams, and radio transmitter |
Oct. 17, 2006 |
| 7116998 |
Subtractive multipath delay detection |
Oct. 3, 2006 |
| 7113807 |
Base station and method for receiving and processing signal in the base station |
Sep. 26, 2006 |
| 7099640 |
Method distinguishing line of sight (LOS) from non-line of sight (NLOS) in CDMA mobile communication system |
Aug. 29, 2006 |
| 7095993 |
Frequency auto-correction apparatus for CDMA multipath fading channel |
Aug. 22, 2006 |
| 7095984 |
Base station apparatus and direction-of-arrival estimating method |
Aug. 22, 2006 |
| 7092706 |
Apparatus and method for signal strength compensation of highly time-variant mobile radio channels and reception unit for mobile radio transmission |
Aug. 15, 2006 |
| 7085327 |
Phasor fragmentation circuitry and method for processing modulated signals having non-constant envelopes |
Aug. 1, 2006 |
| 7085240 |
Directed maximum ratio combining and scheduling of high rate transmission for data networks |
Aug. 1, 2006 |
| 7079514 |
Mobile communication apparatus with antenna array and mobile communication method thereof |
Jul. 18, 2006 |
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