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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 |
| 6526039 |
Method and system for facilitating timing of base stations in an asynchronous CDMA mobile communications system |
Feb. 25, 2003 |
| 6519477 |
Method for channel estimation from received signals transmitted via a radio channel |
Feb. 11, 2003 |
| 6512916 |
Method for selecting markets in which to deploy fixed wireless communication systems |
Jan. 28, 2003 |
| 6510186 |
Signal time of arrival estimation method and system |
Jan. 21, 2003 |
| 6498932 |
Method and an apparatus for determining the pathloss between a base transceiver station and a mobile station in a mobile radio network |
Dec. 24, 2002 |
| 6487417 |
Method and system for characterizing propagation of radiofrequency signal |
Nov. 26, 2002 |
| 6480006 |
Method for measuring phase noise using a low noise synthesizer |
Nov. 12, 2002 |
| 6469620 |
Method and apparatus for protecting a transmission path between a base unit and a mobile key unit |
Oct. 22, 2002 |
| 6459884 |
Method of and apparatus for estimating the characteristics of a radio channel on which a pilot channel partially defective is conveyed |
Oct. 1, 2002 |
| 6459883 |
Generic finger architecture for spread spectrum applications |
Oct. 1, 2002 |
| 6453177 |
Transmitting beam forming in smart antenna array system |
Sep. 17, 2002 |
| 6430399 |
Multipath transmission for optimizing receiver reception |
Aug. 6, 2002 |
| 6430241 |
Method and configuration for synchronizing system units |
Aug. 6, 2002 |
| 6421528 |
Satellite transmission system with adaptive transmission loss compensation |
Jul. 16, 2002 |
| 6408189 |
Radio communication system and computer program product for controlling an operation of the radio communication system |
Jun. 18, 2002 |
| 6408185 |
Method and system for modeling a radio communications network |
Jun. 18, 2002 |
| 6374080 |
Mobile communication system |
Apr. 16, 2002 |
| 6366762 |
System and method for measuring round trip delay on the paging and access channels |
Apr. 2, 2002 |
| 6360078 |
Method of compensating for group time delay asymmetry in a radio receiver |
Mar. 19, 2002 |
| 6356758 |
Wireless tools for data manipulation and visualization |
Mar. 12, 2002 |
| 6353606 |
System and method for modeling simulcast delay spread and optimizing launch delays |
Mar. 5, 2002 |
| 6341223 |
Radio wave propagation prediction method using urban canyon model |
Jan. 22, 2002 |
| 6337980 |
Multiple satellite mobile communications method and apparatus for hand-held terminals |
Jan. 8, 2002 |
| 6330452 |
Network-based wireless location system to position AMPs (FDMA) cellular telephones, part I |
Dec. 11, 2001 |
| 6330439 |
Method for predicting radio-wave propagation losses by using improved interpolation scheme in radio network planning system |
Dec. 11, 2001 |
| 6317586 |
Method and base station for data transmission in a wireless communications system |
Nov. 13, 2001 |
| 6311043 |
Method and measurement configuration for measuring the characteristics of radio channels |
Oct. 30, 2001 |
| 6308078 |
Transmission time delay measurement at transmission paths in a radio telecommunication system |
Oct. 23, 2001 |
| 6308077 |
Apparatus and method for providing synchronization of base-stations in a communication system |
Oct. 23, 2001 |
| 6304760 |
Method for reducing the effect of atmospheric ducting on wireless transmissions |
Oct. 16, 2001 |
| 6289224 |
Method and apparatus for starting an acknowledgment timer |
Sep. 11, 2001 |
| 6285876 |
Test unit with programmable transmit timing for telecommunication systems |
Sep. 4, 2001 |
| 6278865 |
Receiver and method for measuring the frequency difference between a turning frequency and a transmission frequency |
Aug. 21, 2001 |
| 6272328 |
System for providing audio signals from an auxiliary audio source to a radio receiver via a DC power line |
Aug. 7, 2001 |
| 6219564 |
Time base alignment for digital mobile phones |
Apr. 17, 2001 |
| 6205125 |
Method and system for determining an estimate of a transmission time of a packet |
Mar. 20, 2001 |
| 6192247 |
Method for extending the cell radius between a mobile station and a base station |
Feb. 20, 2001 |
| 6188356 |
Radio monitoring method and apparatus |
Feb. 13, 2001 |
| 6175725 |
Complete radio navigation receiver, particularly of the GPS type |
Jan. 16, 2001 |
| 6173186 |
Cell radius estimation method |
Jan. 9, 2001 |
| 6173159 |
Wireless spread spectrum ground link-based aircraft data communication system for updating flight management files |
Jan. 9, 2001 |
| 6169881 |
Method and apparatus for predicting impending service outages for ground-to-satellite terminal in a satellite communication system |
Jan. 2, 2001 |
| 6167238 |
Wireless-based aircraft data communication system with automatic frequency control |
Dec. 26, 2000 |
| 6167239 |
Wireless spread spectrum ground link-based aircraft data communication system with airborne airline packet communications |
Dec. 26, 2000 |
| 6163711 |
Method and apparatus for interfacing a mobile phone with an existing audio system |
Dec. 19, 2000 |
| 6163681 |
Wireless spread spectrum ground link-based aircraft data communication system with variable data rate |
Dec. 19, 2000 |
| 6160998 |
Wireless spread spectrum ground link-based aircraft data communication system with approach data messaging download |
Dec. 12, 2000 |
| 6154637 |
Wireless ground link-based aircraft data communication system with roaming feature |
Nov. 28, 2000 |
| 6154636 |
System and method of providing OOOI times of an aircraft |
Nov. 28, 2000 |
| 6148179 |
Wireless spread spectrum ground link-based aircraft data communication system for engine event reporting |
Nov. 14, 2000 |
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