An efficient preamble compression for multi clock-rate sampling wireless devices

Anik Sengupta, Rahul Thakur, C. Siva, Ram Murthy
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引用次数: 1

Abstract

The recent trend in wireless communication networks has seen the focus shift from spectrum efficiency to energy efficiency. Use of multi clock-rate sampling devices to provide reduced power idle listening promises to significantly reduce power consumption in wireless devices without affecting throughput or transmission range. However, the use of frequency agnostic preamble to enable multi clock-rate detection causes linear scaling of preamble length, and consequently, the goodput performance of the network suffers. In this paper, we look at a modification of RObust Header Compression (ROHC) as a means to restrict header length scaling and its applicability in networks of multi-frequency sampling wireless devices. We analyze the modified preamble compression scheme deployed on multi clock-rate sampling wireless devices and determine performance metrics such as channel utilization and goodput across different error rates and downclocking factors. The energy efficiency performance of such a network is also studied. The results obtained are validated using extensive simulation.
多时钟速率采样无线设备的高效前导压缩
无线通信网络的发展趋势是从频谱效率转向能源效率。使用多时钟速率采样设备来减少功率空闲侦听,可以在不影响吞吐量或传输范围的情况下显著降低无线设备的功耗。然而,使用频率不可知的前导来实现多时钟速率检测会导致前导长度的线性缩放,从而影响网络的良好性能。在本文中,我们研究了一种改进的鲁棒报头压缩(ROHC)作为一种限制报头长度缩放的手段及其在多频采样无线设备网络中的适用性。我们分析了部署在多时钟速率采样无线设备上的改进的前导压缩方案,并确定了不同错误率和下行因素下的信道利用率和goodput等性能指标。并对该网络的能效性能进行了研究。通过广泛的仿真验证了所得结果。
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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