Wireless LAN system

Details Wireless LAN system Wireless LAN system

2007-11-06

2007-11-06

Chin, Wellington (Department: 2616)

Multiplex communications

Communication over free space

Signaling for performing battery saving

C455S574000

Reexamination Certificate

active

10720101

ABSTRACT:
To provide a wireless LAN system, a sleep mode is set for reducing consumed power and, when an arrival of the own address side is present, wake-up is caused to reliably receive the arrival. Specifically, a plurality of hosts20such as PC interconnected with an access point30via a wireless LAN each include a wireless LAN device21, the power supply thereof being turned on and off in synchronism to a beacon signal32sent out in a predetermined constant cycle from the access point30for checking whether any arrival of data addressed to the own host20is present. When any arrival33of data is present the host20starts an application for reception of the arrived data.

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Matsushita et al., Bunsankyocho Media Series 7:Wireless LAN Architecture, Jun. 6, 1996, pp. 167-169, Kyodachi Publishing Co., Ltd., Japan.

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