Method and apparatus for controlling a retransmission/abort time

Details Method and apparatus for controlling a retransmission/abort time Method and apparatus for controlling a retransmission/abort time

1998-03-03

2000-06-13

Moise, Emmanuel L.

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

714749, 370216, G08C 2502, H04L 118

Patent

active

060761814

ABSTRACT:
A method and apparatus for controlling a retransmission/abort timer in a telecommunications system. A pointer, V(P), that points to the upper bound of retransmitted data frames in a receiver buffer is introduced. A list includes at least one entry indicating a missed data frame for which a retransmission request has been transmitted. The entry is associated with a retransmission/abort timer that is started upon transmission of the retransmission request for the data frame. Once a retransmission timer is started, any received data frame type, whether valid or not, is counted in the incrementation of the retransmission/abort timer for an unreceived data frame. However, if the received data frame is not a valid data frame, any expiration action on the retransmission/abort timer is disabled. Also, anytime any valid frame is received, an expiration action may be taken on the retransmission timer of unreceived data frames having a sequence number less than V(P).

REFERENCES:
patent: 4630267 (1986-12-01), Costes et al.
patent: 4973953 (1990-11-01), Shimokawa et al.
patent: 5031179 (1991-07-01), Yoshida et al.
patent: 5896402 (1999-04-01), Kurobe et al.

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