Performance analysis of Slotted Aloha in interference-dominating wireless ad-hoc networks

被引：0
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作者：
Department of Computer Science and Engineering, National Sun Yat-Sen University, Kaohsiung 804, Taiwan [1 ]
机构：
来源：
IEEE Commun Lett | 2006年 / 5卷 / 402-404期
关键词：
Markov processes - Signal interference - Signal receivers - Signal to noise ratio - Transmitters - Wireless telecommunication systems;
D O I：
10.1109/LCOMM.2006.1633337
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学科分类号：
摘要：
In this paper, we propose an analytical approach to derive the exact value of saturation throughput of Slotted Aloha in an interference-dominating wireless ad-hoc network. In an interference-dominating wireless network, a receiver could simultaneously receive a number of packets from a variety of transmitters, as long as the signal-to-interference-plus-noise ratio exceeds a predetermined threshold. Our analysis is based on the theory of discrete-time Markov chain. Unlike previous methods in the literature, when our approach is used, the cardinality of the corresponding state space is reduced to be at most n, where n is the total number of nodes in the network. The reduction makes evaluating the saturation throughput of Slotted Aloha feasible in practice. We show that our numerical results are consistent with simulation results. © 2006 IEEE.
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