多径衰落信道下UWB多址通信传输能量优化

2002 IEEE Conference on Ultra Wideband Systems and Technologies (IEEE Cat. No.02EX580) Pub Date : 2002-05-21 DOI:10.1109/UWBST.2002.1006330

B. Kannan, Yao Ma, F. Chin

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引用次数: 0

摘要

针对多径衰落信道下UWB(超宽带)多址通信，提出了一种新的传输能量优化方法。我们考虑一种分组传输模式，其中每个数据包包含N/sub pre/ overhead符号用于同步目的和N/sub B/符号用于数据传输。分析了分组更新速率(N/sub R/)、抽取因子(D)、用户数(K/sub all/)和pn序列长度(N/sub s/)对传输能量的影响。大量的数值结果显示了如何选择这些参数来获得给定捕获概率下的最佳发射能量。

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Optimizing the transmit energy in UWB multiple access communications in multipath fading channels

We propose a new transmit energy optimization method in UWB (ultra wideband) multiple access communications in multipath fading channels. We consider a packetized transmission mode, where each packet contains N/sub pre/ overhead symbols for synchronization purpose and N/sub B/ symbols for data transmission. The effect of packet update rate (N/sub R/), decimation factor (D), number of users (K/sub all/) and the length of PN-sequence (N/sub s/) on the transmitted energy are analyzed. Extensive numerical results are presented to show how these parameters can be chosen to obtain an optimum transmit energy for a given probability of acquisition.

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2002 IEEE Conference on Ultra Wideband Systems and Technologies (IEEE Cat. No.02EX580)

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