Radio communication system, radio communication apparatus,...

Multiplex communications – Communication over free space – Using trunking

Reexamination Certificate

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Details

C370S310200, C370S312000, C370S338000

Reexamination Certificate

active

07995548

ABSTRACT:
An autonomously dispersed type wireless network is suitably formed with communication stations avoiding collision of beacons transmitted one to another. In the event that the range of reach of airwaves change and a receivable state is created and beacons collide, a communication station changes the beacon transmission position of itself in response to receiving a beacon from another station at a timing immediately prior to transmission to its own beacon. Also, in the event that beacon collision is exposed due to emergence of a new communication which can perform reception from two systems out of airwave range of each other, the newly-participating station requests one of the communication stations of which the beacons are colliding to change the beacon transmission timing.

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Armin Heindl, et al., “The Impact of Backoff, EIFS, and Beacons on the Performance of IEEE 802.11 Wireless LANs”, Computer Performance and Dependability Symposium, XP010378556, Mar. 2000, pp. 103-112.

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