Apparatus and method for providing IEEE 802.11e hybrid...

Multiplex communications – Channel assignment techniques – Carrier sense multiple access

Reexamination Certificate

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C370S448000

Reexamination Certificate

active

10180600

ABSTRACT:
An apparatus and method is disclosed for providing recovery and backoff rules for a hybrid coordinator of an IEEE 802.11e Quality of Service (QoS) wireless station. The invention comprises a wireless local area network that is capable of using the recovery and backoff rules of the present invention in the Medium Access Control (MAC) layer of QoS hybrid coordinators. The HC recovery and backoff rules of the present invention minimize collisions especially when hybrid coordinators from an overlapping basic service set are present.

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IEEE 802.11-01/412r0 “Aligning 802.11e HCF and 802.11h TPC Operations” by Amjad Soomro, SungHyun Choi, and Javier del Prado. Jul. 2001. □□□□Downloaded from <http://grouper.ieee.org/groups/802/11/Documents/D1T101-150.html>.
IEEE 802.11-01/128r1 “HCF Channel Access And INter-BBS Channel Sharing” by Jun-Meng Ho, Sid Schrum, Khaled Turki, and Donald P. Shaver. Jul. 2001. □□□□Downloaded from <http://grouper.ieee.org/groups/802/11/Documents?D1T101-150.html>□□.
“MAC sublayer functional description” ANSI/IEEE STD 802.11, 1999 Edition, ′Online! 1999, pp. 70-97.

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