AAL0 cell format of an ATM protocol for communicating voice...

Details AAL0 cell format of an ATM protocol for communicating voice... AAL0 cell format of an ATM protocol for communicating voice...

2004-06-02

2010-10-05

Sheikh, Ayaz R (Department: 2476)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

C370S467000, C370S469000, C370S310100

Reexamination Certificate

active

07809014

ABSTRACT:
Disclosed herein are devices and methods for communicating full-rate voice data under an ATM protocol. An exemplary device is configured to communicate voice data through a vocoder in a CDMA backbone network using an ATM Adaptation Layer 0 (AAL0) cell-generating system, which is configured to generate an AAL0 cell for each frame of full-rate voice data. In an exemplary embodiment, the device generates AAL0 cells that each comprise (a) 5 bytes of a Header field; (b) 1 byte of a Length field indicating a size of the voice data; (c) 24 bytes of a Voice-Data field containing the voice data; (d) 19 bytes of a Control-Data field containing information for controlling the voice data; (e) 1 byte of an Error-Detection field containing information for detecting an error of the voice data; and (f) 3 bytes of a PAD field for padding data used to exactly fit into the ATM cell.

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WO 2004/107666 A1, International Publication Date: Dec. 9, 2004.

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