Method and apparatus for preventing a spurious...

Details Method and apparatus for preventing a spurious... Method and apparatus for preventing a spurious...

2008-01-22

2008-01-22

Kincaid, Lester G. (Department: 2617)

Multiplex communications

Duplex

Communication over free space

C370S338000, C370S328000

Reexamination Certificate

active

07321567

ABSTRACT:
In a wireless communication system (400), a mobile station (404) or a base station (402), or both working together, determine (302) whether a planned interruption in communications is about to occur; and, in response to determining that the planned interruption is about to occur, progressively increase (306) the round-trip time for a plurality of successive data segments sent before the planned interruption occurs, such that a retransmission timeout value calculated by a sender becomes larger than a time required to complete the planned interruption, thereby preventing a spurious retransmission.

REFERENCES:
patent: 6262980 (2001-07-01), Leung et al.
patent: 6909899 (2005-06-01), Wang et al.
patent: 2002/0150048 (2002-10-01), Ha et al.
patent: 2004/0052234 (2004-03-01), Ameigeiras et al.
patent: 2004/0095935 (2004-05-01), Connor
V. Paxson, “Computing TCP's Retransmission Timer”, RFC2988, Internet RFC/STD/FYI/BCP Archives, Nov. 2000.
Yazid Mohamed, et al. Performance of TCP on Mobile IP Network During Handoffs; pp. 390-393; 2002 Student Conf. on Research and Development Proceedings.

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