Method of transmitting data during voice pauses in a synchronous

Details Method of transmitting data during voice pauses in a synchronous Method of transmitting data during voice pauses in a synchronous

1995-08-02

1998-04-14

Pham, Chi H.

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

455517, 370347, 370493, H04B 726, H04B 7212

Patent

active

057405425

ABSTRACT:
A communication system (10), having dynamic nodes such as satellites (12), require narrow-tolerance communication parameters such as timing and frequency. A voice subscriber unit (26) establishes a traffic channel (17) by negotiating communication parameters. A user of voice subscriber unit (26) generates inherent voice pauses in communications. A data subscriber unit (31) possess a datagram for delivery through communication system (10). Instead of negotiating a dedicated traffic channel for delivery of the datagram, data subscriber unit (31) monitors an active voice subscriber unit (26) and determines if the communication parameters used by voice subscriber unit (26) are compatible for data subscriber unit (31). Data subscriber unit (31), upon detecting a voice pause by voice subscriber unit (26), transmits the datagram to satellite (12) using the negotiated communication parameters of voice subscriber unit (26).

REFERENCES:
patent: 4813040 (1989-03-01), Futato
patent: 5481539 (1996-01-01), Hershey et al.

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