Emergency call handling in contention-based wireless...

Details Emergency call handling in contention-based wireless... Emergency call handling in contention-based wireless...

2004-02-03

2010-10-19

Yun, Eugene (Department: 2618)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C370S498000, C370S336000, C370S326000

Reexamination Certificate

active

07817675

ABSTRACT:
An apparatus and methods for handling emergency message frames (e.g., “911” call frames, etc.) sent by a station in a wireless local-area network are disclosed. The illustrative embodiment increases the probability with which an emergency message frame is accorded the singularly highest quality-of-service by modifying one or more IEEE 802.11e parameters (e.g., back-off contention window length, Arbitration Inter-Frame Space [AIFS], etc.) for a station or access point that transmits an emergency message frame.

REFERENCES:
patent: 6426956 (2002-07-01), Eteminan
patent: 6990329 (2006-01-01), Deinzer
patent: 7145897 (2006-12-01), Sachs et al.

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