Deferred acknowledgment communications and alarm management

Electrical computers and digital processing systems: multicomput – Computer-to-computer protocol implementing – Computer-to-computer handshaking

Reexamination Certificate

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Details

C709S248000, C370S350000

Reexamination Certificate

active

07111070

ABSTRACT:
A communication technique enables the efficient transmission of data through a low bandwidth and/or time delayed communication link and minimizes the idle time of the communication link by using a deferred acknowledgment of message bundles to temporally pack the communication link. The transmitting system stores messages to be transmitted in a pending message queue and applies a dynamic window to the pending message queue to define a message bundle to be sent through the slow communication link. The transmitting system requests an acknowledgment for at least one message within the bundle, but does not require an acknowledgment for every message within the bundle. Transmitted messages are temporarily stored as outstanding messages in a retransmission queue until the transmitted messages are acknowledged or until a time-out period associated with the messages has lapsed. When the transmitting station receives a timely acknowledgment in response to a requested acknowledgment, the transmitting station removes all outstanding messages associated with that acknowledgment from the retransmission queue.

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Xiaoyan Fang and Dipak Ghosal, Analyzing Packet Delay Across A. GSM/GPRS Network,IEEE, 2003, pp. 1-10.
Examination Report under Section 18(3) issued in GB 0025136.3 application by the United Kingdom Patent Office on Jul. 24, 2003.

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