Title:
NETWORK CLOCK EMULATION IN A MULTIPLE CHANNEL ENVIRONMENT
Document Type and Number:
WIPO Patent Application WO2002037723
Kind Code:
A3
Abstract:
In one aspect of the invention, a method of emulating a network clock signal in a multiple channel environment includes receiving a plurality of asynchronous signals each associated with one of a plurality of communication channels and storing each of the plurality of asynchronous signals in one of a plurality of buffers, each associated with one of the communication channels, the buffers operable to communicate with a synchronous communication link having a frame rate. The method further comprises identifying one of the plurality of communication channels as a reference channel, determining a current depth of the buffer associated with the reference channel, and altering the frame rate of the synchronous communication link based at least in part on the current depth of the buffer associated with the reference channel.
Inventors:
GLADDEN MARK A
BELL NEILL R
LAUFFENBURGER KENNETH A
BELL NEILL R
LAUFFENBURGER KENNETH A
Application Number:
PCT/US2001/045849
Publication Date:
August 15, 2002
Filing Date:
November 01, 2001
Export Citation:
Assignee:
EFFICIENT NETWORKS INC (US)
International Classes:
H04J3/06; (IPC1-7): H04J3/06; H04L7/00; H04L12/56; H04L12/64
Foreign References:
| US5623483A | 1997-04-22 | |||
| EP0681398A2 | 1995-11-08 |
Other References:
XIE Y ET AL: "ADAPTIVE MULTIMEDIA SYNCHRONIZATION IN A TELECONFERENCE SYSTEM", 1996 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC). CONVERGING TECHNOLOGIES FOR TOMORROW'S APPLICATIONS. DALLAS, JUNE 23 - 27, 1996, IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC), NEW YORK, IEEE, US, vol. 3, 23 June 1996 (1996-06-23), pages 1355 - 1359, XP000625031, ISBN: 0-7803-3251-2
MONTGOMERY W A: "TECHNIQUES FOR PACKET VOICE SYNCHRONIZATION", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, IEEE INC. NEW YORK, US, vol. SAC-1, no. 6, 1 December 1983 (1983-12-01), pages 1022 - 1028, XP000563228, ISSN: 0733-8716
MONTGOMERY W A: "TECHNIQUES FOR PACKET VOICE SYNCHRONIZATION", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, IEEE INC. NEW YORK, US, vol. SAC-1, no. 6, 1 December 1983 (1983-12-01), pages 1022 - 1028, XP000563228, ISSN: 0733-8716
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