Flow control buffering

Multiplex communications – Data flow congestion prevention or control

Reexamination Certificate

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Reexamination Certificate

active

07944821

ABSTRACT:
A method and system for improved buffering during a flow control event, the system comprising: a mobile station having a mobile timer; a radio network communicating wirelessly with the mobile station and including: a base station; and a packet control function (PCF) capable of interrupting the flow of data to the wireless device during the flow control event; a packet data serving node (PDSN) communicating with the PCF and having a buffer to store data received for the mobile station during the flow control event, the buffer having a buffer timer; and a push function communicating with the PDSN and having a retry timer to indicate when to resend an unacknowledged packet; wherein the system coordinates the buffer timer with either the mobile timer or the retry timer to eliminate redundant messages.

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Interoperability Specification (IOS) for cdma2000 Access Network Interfaces—Part 3 Features, 3GPP2 A.S0013-C Version 0.4, 374 pages, Jun. 2004.
Sayeedi et al., “TSG-A: Flow Control Buffering Support,” 3rd Generation Partnership Project 2 “3GPP2” pp. 1-9.
Sayeedi et al., “TSG-A: Buffering for Flow Controlled Packets,” 3rd Generation Partnership Project 2 “3GPP2” pp. 1-10.

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