[특허]Scheduling methods for efficient frequency reuse in a multi-cell wireless network served by a wired local area network

Scheduling methods for efficient frequency reuse in a multi-cell wireless network served by a wired local area network 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04Q-007/00
출원번호	US-0605291 (1990-10-29)
발명자 / 주소	Natarajan Kadathur S. (Millwood NY)
출원인 / 주소	International Business Machines Corporation (NY 02)
인용정보	피인용 횟수 : 50 인용 특허 : 0

초록 ▼

A method includes a first step of receiving a message from a wired network (1) with at least one header station (12). The message is a message type that authorizes a header station or header stations to transmit on a wireless network. A second step of the method is accomplished in response to the received first message, and initiates wireless communications with any mobile communication units (10) that are located within a communication cell served by the at least one header station. In one embodiment the message circulates around a token ring and activates header stations in turn. In another embodiment disjoint groups of header stations are predetermined by graphical techniques, including graph coloring methods. The predetermined group information is maintained by a network controller that thereafter selectively activates the header stations within the different groups.

대표청구항 ▼

A method for managing wireless communications in a wireless communications network comprised of a plurality of communications cells, the wireless communications network having a plurality of header stations each of which includes means for performing bidirectional wireless communication with one or more mobile communication units, each of the plurality of header stations also including means for performing bidirectional communication with a wired network, comprising the steps of: receiving a first message from the wired network with at least one of the plurality of header stations, the first message being a message type that authorizes a header stations that receives the first message to initiate wireless communications on the wireless network; and in response to the received first message, initiating wireless communications with the mobile communication units that are located within a communication cell served by the header station that receives the first message, wherein the steps of receiving and initiating are accomplished in parallel by a group of header stations, and wherein the method includes an initial step of selecting particular ones of the plurality of header stations for membership within the group.

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Scheduling methods for efficient frequency reuse in a multi-cell wireless network served by a wired local area network 원문보기

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