Optimal Training and Performance Analysis of Space-Time-Frequency Coded OFDM

被引：0
|
作者：
Ahmed, Khawza I.
Tepedelenlioglu, Cihan
Spanias, Andreas
机构：
来源：
2006 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-12 | 2006年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
We consider space-time-frequency (STF) coded MIMO-OFDM systems with imperfect channel estimates due to channel estimation error. We address the problem of optimal training design for acquiring the channel state information (CSI) and performance analysis using pairwise error probability (PEP) in the presence of channel estimation error. The optimal power allocation factor between the training and the information-bearing data is determined using the novel training-based PEP for MIMO-OFDM. Furthermore, the loss of coding gain due to channel estimation error is quantified to demonstrate performance benefits of power allocation optimization in MIMO-OFDM systems between the training and information symbols.
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收藏
页码：2929 / 2934
页数：6
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