Method, apparatus and system for controlling ARQ-related...

Details Method, apparatus and system for controlling ARQ-related... Method, apparatus and system for controlling ARQ-related...

2005-12-29

2009-06-30

Patel, Ajit (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C455S436000

Reexamination Certificate

active

07554951

ABSTRACT:
A method of controlling automatic retransmission request (ARQ)-related timers in a broadband wireless access communication system is disclosed, by which reliability of a wireless link can be increased and the ARQ-related timers can be properly operated even in a handover situation. A mobile subscriber station temporarily stops an operation of the ARQ-related timers by informing a base station of a handover start when a handover situation occurs and restarts the stopped ARQ-related timers when the handover situation is finished.

REFERENCES:
patent: 7000021 (2006-02-01), Radhakrishnan et al.
patent: 7146171 (2006-12-01), Tang et al.
patent: 7269420 (2007-09-01), Heo et al.
patent: 2005/0094600 (2005-05-01), Zhang et al.
patent: 2006/0120323 (2006-06-01), Ye et al.

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