Modified-beacon, bandwidth-access control in wireless...

Details Modified-beacon, bandwidth-access control in wireless... Modified-beacon, bandwidth-access control in wireless...

2008-04-29

2008-04-29

Rao, Seema S. (Department: 2616)

Multiplex communications

Communication over free space

Repeater

C370S329000

Reexamination Certificate

active

10650188

ABSTRACT:
Apparatus and a method employable in a wireless communication network for managing, among plural communication stations in a group of such stations, bandwidth-sharing of available, unused bandwidth. Implementation and practice of the invention involve (a) establishing a pattern of periodic beacon transmissions having a defined first time spacing between time-next-adjacent transmissions, which transmissions are designed, nominally, to convey bandwidth-availability (transmission-budget) announcements to stations in the group, (b) from within this pattern, choosing a sub-pattern of selected, periodic beacon transmissions having a defined second time spacing between time-next-adjacent, chosen sub-pattern transmissions, which second time spacing encompasses a predetermined number of the beacon transmissions having the mentioned first time spacing, and then (c) utilizing only the selected beacon transmissions in this sub-pattern to convey the announcements of any new (changed) transmission-budget information.

REFERENCES:
patent: 2002/0075869 (2002-06-01), Shah et al.
patent: 1189388 (2002-03-01), None
patent: WO0171981 (2001-09-01), None
patent: WO0237754 (2002-05-01), None
Shellhammer, Steve, “IEEE 802.15.2 Clause 14.1—Collaborative Coexistence Mechanism”, IEEE, Jul. 2001.

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