Transmission power control system capable of disabling communica

Details Transmission power control system capable of disabling communica Transmission power control system capable of disabling communica

1998-05-18

2000-06-27

Trost, William G.

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

455 69, 455423, 455528, 3408255, H04B 100

Patent

active

060817275

ABSTRACT:
In a mobile communication network including a radio base station (50.sub.1) having a service area and a mobile terminal (13) present within the service area, a transmission power control system includes in the fixed station an abnormal terminal detecting part (48, 49, 52) for detecting the mobile terminal as an abnormal terminal when the mobile terminal does not decrease the transmission power after a transmission power control part (37, 48, 52) transmits the mobile terminal with a control signal requesting a decrease of transmission power of the mobile terminal. The abnormal terminal detecting part transmits, when detects the abnormal terminal, the abnormal terminal with a forced communication-disabling signal which is for use in the abnormal terminal in forcedly disabling communication when the abnormal terminal receives the forced communication-disabling signal. The transmission power control part carries out transmission power control of the mobile terminal by transmitting, in dependence upon a signal power of a received signal received from the mobile terminal, the mobile terminal with the control signal. The mobile communication network is typically a CDMA (Code Division Multiple Access) communication network.

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patent: 5819171 (1998-10-01), Hoogerwerf et al.
patent: 5930242 (1999-07-01), Mimura

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