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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0749234 (1991-08-23) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 316 인용 특허 : 0 |
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 acce
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.
A method of conserving battery power in a wireless link adapter of battery powered computers operable in a multiaccess protocol for wireless communication between n, where n is an integer, of said battery powered computers and a base station, with said protocol including a designation of which ones
A method of conserving battery power in a wireless link adapter of battery powered computers operable in a multiaccess protocol for wireless communication between n, where n is an integer, of said battery powered computers and a base station, with said protocol including a designation of which ones of said n computers are to communicate with said base station, said method comprising the steps of: partitioning said multiaccess protocol into at least one frame including a header AH having n bits, with each of said n bits being assigned to a corresponding one of said n battery powered computers, with a given one of said n computers being scheduled for communication with said base station during said frame when its corresponding one of said n bits is in a first state, and for not being in communication when in a second state, with the remainder of said frame being divided into a plurality of slots in a time duration TA, with there being at least one slot dynamically assigned to only the ones of said n battery powered computers scheduled to communicate with said base station; turning ON said battery power of said wireless link adapter for each of said n battery powered computers for the duration of header AH; turning OFF battery power for said time duration TA for each wireless link adapter of the n battery powered computers that is not scheduled to communicate with said base station; and turning ON battery power only during the at least one slot time of TA scheduled, for each wireless link adapter of the n battery powered computers scheduled to communicate with said base station, and turning OFF battery power for the remaining slots of TA.
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