Transmission power level monitoring apparatus employed in TDMA c

Details Transmission power level monitoring apparatus employed in TDMA c Transmission power level monitoring apparatus employed in TDMA c

1995-05-02

1996-10-08

Eisenzopf, Reinhard J.

Telecommunications

Transmitter

Measuring, testing, or monitoring of transmitter

455126, H04B 1700

Patent

active

055640842

ABSTRACT:
A transmission power level monitoring apparatus suitable for use in a digital communication system using a TDMA method. The transmission power level monitoring apparatus detects start and end times of a transmission slot in each TDMA frame. An A/D converter is triggered in the start and end times so as to convert transmission power into a digital signal. It is then decided whether or not the transmission power is in an improper state during the transmission slot and a nontransmission slot in each TDMA frame. If the answer is yes, then measures such as a display of a message indicative of its improper state on a display device, the transmission of data indicative of its improper state to other system and turning off a power source for a power amplifier of a transmitter are taken.

REFERENCES:
patent: 5101176 (1992-03-01), Norimatsu
patent: 5193223 (1993-03-01), Walczak et al.
patent: 5196806 (1993-03-01), Ichikara
patent: 5309115 (1994-05-01), Hashimoto et al.

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