车载通信网络的切换

Chi-Sheng Lin, Jia-Chin Lin
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引用次数: 2

摘要

本研究探讨了交接中路侧单元选择的新技术。确定目前没有有效的RSU选择方案,这是遵循当前IEEE 802.11p标准的传统技术面临的一个严重问题。近年来,数据辅助OFDM (DA-OFDM),如伪随机后置OFDM (PRP-OFDM)和时域同步OFDM (TDS-OFDM)因其具有更高的传输效率和更好的传输质量而受到人们的关注。本研究推导了DA-OFDM的最大似然(ML)信道估计,并通过计算机模拟评估和比较了所提出的技术。
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Handover in vehicular communication networks
Novel techniques of Road Side Unit (RSU) selection for handover were investigated in this study. It was determined that there are currently no efficient RSU selection schemes, which is a severe issue for conventional techniques following the current IEEE 802.11p standard. Recently, data-aided OFDM (DA-OFDM), such as Pseudo-Random-Postfix-OFDM (PRP-OFDM) and Time Domain Synchronous-OFDM (TDS-OFDM), have received attention because of their capability for higher effectiveness with better transmission quality. This study derived the maximum likelihood (ML) channel estimation for DA-OFDM and evaluated and compared proposed techniques by computer simulations.
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