Performance considerations for slotted spread-spectrum random-access networks with directional antennas

IEEE Global Telecommunications Conference, 1989, and Exhibition. 'Communications Technology for the 1990s and Beyond Pub Date : 1989-11-27 DOI:10.1109/GLOCOM.1989.64218

N. Pronios

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引用次数: 15

Abstract

The throughput/delay performance of certain types of spread spectrum random-access (SSRA) networks employing directional antennas is considered. The use of directional antennas in the receiving sites to improve the network performance is presented and analyzed. The basic idea is to reduce the contention of the users (transmitters) by dividing the coverage area into different regions; at the receiving site, a single directional antenna is aimed at one region, so that transmissions from different regions do not interface with each other. In addition to the reduction of the multiuser interference, the directional antennas allow for different classifications, in different regions, of the users according to their physical and link level parameters. The throughput improvement is substantial for heavy-traffic conditions, and the gains are further amplified if the number of available receivers is increased. Numerical results for performance comparison with the case receivers using omnidirectional antennas are also included.<>

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带定向天线的开槽扩频随机接入网络的性能考虑

考虑了采用定向天线的扩频随机接入(SSRA)网络的吞吐量/延迟性能。提出并分析了在接收站点使用定向天线来提高网络性能的方法。其基本思想是通过将覆盖区域划分为不同的区域来减少用户(发射机)的争用;在接收站点，单向天线只对准一个区域，这样来自不同区域的传输就不会相互连接。除了减少多用户干扰外，定向天线还允许根据用户的物理和链路级别参数在不同区域对用户进行不同的分类。对于繁忙的通信条件，吞吐量的改进是显著的，如果可用接收器的数量增加，收益将进一步扩大。文中还给出了与全向天线接收机性能比较的数值结果

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Global Telecommunications Conference, 1989, and Exhibition. 'Communications Technology for the 1990s and Beyond

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