一种具有潜在应用于消费者和个人无线网络的节能通信方案

K. Sinha
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引用次数: 6

摘要

需要低功耗和快速开启时间的应用(例如,传感器网络)通常使用仅具有简单调制技术的无线电,如ASK, OOK和FSK[12]。我们在本文中提出了一种基于非相干检测的收发器实现RBNSiZeComm协议[1],[2]。对于使用FSK和ASK的混合调制方案,并假设给定长度的所有可能的二进制字符串的可能性相等,我们表明,相对于二进制FSK,在发送端,在加性高斯白噪声(AWGN)信道上,平均节省41%的能量。此外,我们的仿真结果表明,与二进制FSK相比,对于主要关注电源寿命的无线应用场景(例如,远程医疗、流媒体和农业无线传感器网络),我们提出的实现可以将设备的电池寿命平均从33%延长到61%,用于这些应用中使用的不同通信数据类型。再加上收发器的低成本和低复杂性,这些节省证明了RBNSiZeComm对于涉及低功耗无线网络的应用的有用性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An Energy Efficient Communication Scheme with Potential Application to Consumer and Personal Wireless Networks
Applications requiring low power and quick turn on time (e.g., sensor networks) usually employ radios with only simple modulation techniques such as ASK, OOK and FSK [12]. We present in this paper a non-coherent detection based transceiver implementation for the RBNSiZeComm protocol proposed in [1], [2]. For a hybrid modulation scheme using FSK and ASK and assuming equal likelihood of all possible binary strings of a given length, we show that relative to binary FSK, there is a 41% savings in energy on an average at the transmitter, over additive white gaussian noise (AWGN) channels. Furthermore, our simulation results demonstrate that compared to binary FSK, for wireless application scenarios where longevity of power supply is a major concern (e.g., remote healthcare, streaming multimedia and agriculture wireless sensor networks) our proposed implementation can extend the battery life of devices from about 33% to 61% on an average, for the different communication data types used in these applications. Coupled with the low cost and low complexity of the transceiver, these savings demonstrate the usefulness of RBNSiZeComm for applications involving low power wireless networks.
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