H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/10
H04J 3/02 (2006.01) H04J 3/16 (2006.01) H04L 5/14 (2006.01)
Patent
CA 2004030
ABSTRACT OF THE DISCLOSURE An improved duplex time division multiplexed (TDM) communication system is provided while conserving spectrum and efficiency. To accommodate two voice signals on one channel, the time allocated in a channel for brief listener voice acknowledgements (92) is short; the time allocated for talker transmissions (88) is long. Moreover, the coding rate for the listener is slower than for the talker. The slot allocation can be switched whereby whoever is the dominant talker will maintain the longer slot (98).
Johnson Brian K. A.
Patsiokas Stelios J.
Gowling Lafleur Henderson Llp
Motorola Inc.
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