Multiplex communications – Wide area network – Packet switching
Patent
1991-08-23
1993-08-31
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 852, 455 383, 455 541, 455343, H04B 7212, H04B 726
Patent
active
052415422
ABSTRACT:
A method and apparatus for conserving battery power in a wireless link adapter of a battery operated computer such as a portable laptop computer, as controlled by a scheduled multiaccess protocol. The portable computer is operable as a mobile unit in a multi-cell wireless network. The scheduled access multiaccess protocol is implemented to effectively conserve battery power by suitable control of the state of the controller, the transmitter and receiver units at the wireless link adapter by scheduling when the adapter is in a normal running mode, or a standby mode in which power is conserved.
REFERENCES:
patent: 4794649 (1988-12-01), Fujiwara
patent: 4897835 (1990-01-01), Gaskill et al.
patent: 4995099 (1991-02-01), Davis
patent: 5095308 (1992-03-01), Hewitt
patent: 5144296 (1992-09-01), DeLuca et al.
patent: 5150361 (1992-09-01), Wieczorek et al.
William Stallings, "Data and Computer Communications", Macmillan Publishing Company, 1985, pp. 312-315.
Huang Chia-Chi
Natarajan Kadathur S.
Arnold Jack M.
International Business Machines - Corporation
Kizou Hassan
Olms Douglas W.
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