Method and apparatus for demand-assigned reduced-rate out-of-ban

Details Method and apparatus for demand-assigned reduced-rate out-of-ban Method and apparatus for demand-assigned reduced-rate out-of-ban

1995-03-29

1995-11-07

Hsu, Alpus

Multiplex communications

Wide area network

Packet switching

370 942, 370 951, 3701101, 379 63, 379 89, H04J 312, H04B 700, H04M 1106

Patent

active

054652537

ABSTRACT:
In a radio frequency communications system transmitting and receiving packetized voice information over a limited number of channels, certain time slots are preempted for signaling information. This is accomplished by providing a set of channels which are logically defined and multiplexed onto the voice traffic channels by stealing a voice packet from the traffic channel at regular intervals of time. The replaced voice packet is delayed and transmitted at the next allocated time slot. The added load due to signaling traffic is offset by the silence intervals in voice conversation, which are not transmitted in packetized voice communication.

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patent: 4763317 (1988-08-01), Lehman et al.
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patent: 4972506 (1990-11-01), Uddenfeldt
patent: 5197125 (1993-03-01), Engel et al.

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