Radio channel test system for mobile telecommunication system wi

Details Radio channel test system for mobile telecommunication system wi Radio channel test system for mobile telecommunication system wi

1997-07-11

1999-08-24

Chin, Wellington

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455424, 455 674, 455 671, 375225, 375226, 375227, H04B 106, H04B 1700

Patent

active

059436174

ABSTRACT:
In a mobile telecommunication system, a test terminal is disposed in each of radio service zones of a plurality of radio base stations connected to a mobile switching station, and a testing device is connected to the mobile switching station and calling the test terminal to send out a first test pattern through a down link. The test terminal receives the first test pattern and compares the received first test pattern with a second test pattern equal to the first test pattern to send back the compared result as test data through an up link. The test terminal sends out the second test pattern to the testing device through an up link. The testing device defines the radio channel condition of the down link from the test data and the up link from comparison of the first test pattern with the received second test pattern, and sends out an instruction to the test terminal. The test terminal announces comments and displays images for indicating the radio channel condition in the radio service zone.

REFERENCES:
patent: 5361402 (1994-11-01), Grube et al.
patent: 5475868 (1995-12-01), Duque-Anton et al.
patent: 5768689 (1998-06-01), Borg
patent: 5802105 (1998-09-01), Tiedemann, Jr. et al.
patent: 5802446 (1998-09-01), Giorgi et al.

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