Method for determining the transmission quality of a home traffi

Details Method for determining the transmission quality of a home traffi Method for determining the transmission quality of a home traffi

1991-04-25

1994-10-11

Urban, Edward F.

Telecommunications

Transmitter and receiver at separate stations

455 561, 455 63, 455 673, 370 953, H04B 110

Patent

active

053555147

ABSTRACT:
A base station (BS1) in a mobile radio system has connection in a first cell (1) with a mobile station (MS1) on a two-way channel (K1) having two carrier frequencies. A base station (BS2) and a mobile station (MS2) in a second cell (2) remote from the first cell are mutually connected on the channel (K1) disturbing the connection in the first cell (1) through signals (F1, R1). The combined signal strength of the disturbing (F1, R1) and the home connection (K1) is measured. The signal strength of solely the disturbing connection (F1, R1) is also measured, the carrier frequency of home connection being closed down. The quotient between these signal strengths is a measure of connection quality. The stations (MS1,BS1) may include means for closing down their respective carrier frequencies when no information is transmitted, the receiving station then measuring the disturbing signal strength. In time-shared systems, the disturbing signal can be measured during time slots which belong to connections other than the home connection.

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patent: 5050234 (1991-09-01), Ohteru
patent: 5179722 (1993-01-01), Gunmar et al.

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