Methods for delivery in a wireless communications network

Details Methods for delivery in a wireless communications network Methods for delivery in a wireless communications network

2004-12-29

2008-08-05

Orgad, Edan (Department: 2619)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S348000, C370S468000, C370S412000, C370S413000

Reexamination Certificate

active

07408931

ABSTRACT:
Methods for delivery of multicast packets in a wireless communication system are disclosed. The methods comprise transmitting a contention free period initiation signal from an access point to the station, transmitting broadcast packets from the access point to the station, transmitting multicast packets from the access point to the station and holding the multicast packets in storage after the transmission, transmitting a contention free period end signal from the access point to the station, determining if a negative acknowledgement message has been received, retransmitting the multicast packets in response to receiving a negative acknowledgment message, and eliminating the multicast packets at a next beacon interval.

REFERENCES:
patent: 6574770 (2003-06-01), Daudelin
patent: 6987780 (2006-01-01), Wei et al.
patent: 7251232 (2007-07-01), Meier
patent: 2005/0036466 (2005-02-01), Malik et al.
patent: 2005/0058151 (2005-03-01), Yeh
patent: 2006/0092868 (2006-05-01), Meier
patent: 2006/0114826 (2006-06-01), Brommer
patent: 2007/0217385 (2007-09-01), Meier

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