Performance analysis of vector OFDM with linear MMSE receiver

Yabo Li*, Ibo Ngebani, Xiang Gen Xia, Anders Høst-Madsen

*Corresponding author for this work

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Abstract

Vector OFDM (V-OFDM) for single transmit antenna systems is a general transmission scheme in which OFDM and Single-Carrier Frequency Domain Equalization (SC-FDE) can be considered as two extreme/special cases. Due to its flexibility, it has attracted more and more attention recently. So far all studies about V-OFDM assume the Maximum Likelihood (ML) receiver. In this paper, we investigate the performance of V-OFDM with linear Minimum Mean Square Error (MMSE) receiver. We first show that for linear MMSE receiver, all the vector blocks (VB) in V-OFDM have equal performance, this is different from V-OFDM with ML receiver, where different VBs may have different performances. Then, we analyze the diversity order of V-OFDM with linear MMSE receiver, and show that, regardless of the V-OFDM symbol length N, the diversity order can be represented as min{[M2-R], D} + 1, where M is the VB size, /i is the spectrum efficiency in bits/symbol, and D is the maximum delay of the multipath channel.

Original languageEnglish
Title of host publication2012 1st IEEE International Conference on Communications in China, ICCC 2012
Pages382-387
Number of pages6
DOIs
Publication statusPublished - 2012
Externally publishedYes
Event2012 1st IEEE International Conference on Communications in China, ICCC 2012 - Beijing, China
Duration: 15 Aug 201217 Aug 2012

Publication series

Name2012 1st IEEE International Conference on Communications in China, ICCC 2012

Conference

Conference2012 1st IEEE International Conference on Communications in China, ICCC 2012
Country/TerritoryChina
CityBeijing
Period15/08/1217/08/12

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Li, Y., Ngebani, I., Xia, X. G., & Høst-Madsen, A. (2012). Performance analysis of vector OFDM with linear MMSE receiver. In 2012 1st IEEE International Conference on Communications in China, ICCC 2012 (pp. 382-387). Article 6356912 (2012 1st IEEE International Conference on Communications in China, ICCC 2012). https://doi.org/10.1109/ICCChina.2012.6356912