Method for resolving collisions in communication systems...

Details Method for resolving collisions in communication systems... Method for resolving collisions in communication systems...

2007-08-21

2007-08-21

To, Doris H. (Department: 2616)

Multiplex communications

Communication over free space

Combining or distributing information via time channels

C370S447000, C370S462000

Reexamination Certificate

active

10606528

ABSTRACT:
A method for resolving a collision in a communication system using medium access control based on contention. The method enables management and control of a contention window size of each mini slot and thus all the terminals may have an equal opportunity to access each mini slot. Moreover, when two or more terminals have simultaneously attempted to access any one mini slot and thus collision has occurred in the mini slot, the method restricts the access of the mini slot to the terminal or terminals that had experienced collision, and then permits an access attempt of another terminal after all the terminals which had experienced collision succeed in accessing a mini slot.

REFERENCES:
patent: 5960000 (1999-09-01), Ruszczyk et al.
patent: 6115390 (2000-09-01), Chuah
patent: 10-291633 (1998-10-01), None
patent: 1019960053728 (1996-11-01), None
ETSI TS 101 761-1 V1.1.1 (Apr. 2000), pp. 54 and 55.
2002 IEEE, “Fixed Collision Rate Back-off Algorithm for Wireless Access Networks”, C. Li, et al., 5 pages.

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