Index Coded PSK Modulation in Vehicle to Vehicle Communication

Jesy Pachat, Nujoom Sageer Karat, A. Mahesh, Deepthi P. Pattathil, B. Rajan
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引用次数: 0

Abstract

Vehicle to vehicle (V2V) communication has gained its importance in recent years. In this work we consider the index coding problem (ICP) over noisy channel in V2V communication phase of message dissemination. The ICP in V2V communication is considered as device to device ICP with transmitting nodes as receiving nodes also. The index code is used in noisy scenario over AWGN channel and the broadcast vectors are mapped to suitable M-PSK signal constellations to save bandwidth, thus increasing the bandwidth efficiency. An algorithm is proposed to derive suitable mapping of the broadcast vectors to M-PSK signal constellation for improving the error performance. Performance improvement in terms of PSK index coding gain is discussed. While one vehicle transmits, the proposed algorithm provides performance improvement for at least one of the remaining vehicles, in most of the scenarios, while not penalizing the other vehicles.
车对车通信中的索引编码PSK调制
近年来,车对车(V2V)通信变得越来越重要。本文研究了信息传播V2V通信阶段噪声信道上的索引编码问题。V2V通信中的ICP被认为是设备对设备的ICP,发送节点也是接收节点。在AWGN信道的噪声场景下使用索引码,并将广播矢量映射到合适的M-PSK信号星座,从而节省带宽,提高带宽效率。为了提高误差性能,提出了一种广播矢量与M-PSK信号星座的合适映射算法。讨论了PSK索引编码增益方面的性能改进。在大多数情况下,当一辆车进行传输时,所提出的算法为至少一辆剩余车辆提供性能改进,同时不会惩罚其他车辆。
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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