The ALOHA and Carrier Sense Multiple Access (CSMA) protocols have been proposed for packet radio networks (PRN). However, CSMA/CD which gives superior performance and has been successful applied in local area networks cannot be readily applied in PRN since the locally generated signals will overwhelm a remote transmission, rendering it impossible to tell whether a collision has occurred or not. In addition, CSMA and CSMA/CD suffer from the "hidden node" problem in a multihop PRN. In this paper, we develop the Receiver-Initiated Busy-Tone Multiple Access Protocol to resolve these difficulties. Both fully connected and multihop networks are studied. The busy tone serves as an acknowledgement and prevents conflicting transmissions from other nodes, including "hidden nodes".
已经针对分组无线网络(PRN)提出了ALOHA和载波侦听多路访问(CSMA)协议。但是,由于CSMA / CD具有出色的性能,并且已成功应用于局域网中,因此不能轻易地应用于PRN中,因为本地生成的信号将使远程传输不堪重负,从而无法判断是否发生了冲突。另外,CSMA和CSMA / CD遭受多跳PRN中的“隐藏节点”问题。在本文中,我们开发了接收方启动的忙音多址访问协议来解决这些难题。研究了全连接和多跳网络。忙音用作确认,并防止来自其他节点(包括“隐藏节点”)的传输冲突。 P>
Univ. of Southern California, Los Angeles, CA;
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