标题：Construction of Unitary Space-Time Constellations in The Interleaving Sight
作者：Ji, Hui; Liu, Ju; Zhang, Dapeng; Zhang, Guowei; Liu, Yuxi
作者机构：[Ji, Hui; Liu, Ju; Zhang, Dapeng; Zhang, Guowei; Liu, Yuxi] Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China.
会议名称：5th International ICST Conference on Communications and Networking in China (CHINACOM)
会议日期：AUG 25-27, 2010
来源：2010 5TH INTERNATIONAL ICST CONFERENCE ON COMMUNICATIONS AND NETWORKING IN CHINA (CHINACOM)
关键词：MIMO; USTM; UST symbol; Unitary Space-Time Constellations; Interleave
摘要：Unitary space-time modulation (USTM) is ideally suited for rapid fading scenarios, where neither the transmitter nor the receiver have the channel state information (CSI). However, it has received limited attention compared with the space-time coding schemes that need CSI. An important reason for that is USTM needs too large calculation amount when meeting with a large size constellation. We propose a size-reduced method for unitary space-time constellations in the sight of interleaving. Resorting to the UST (Unitary Space-Time) symbol-wise interleaving, we give a pseudo-random fading effect to the transmitted signals for the receiver to meet the channel requirement in theory. Simulation results show that compared with existing almost unachievable schemes, our method can greatly reduce the complexity of calculation only with a slight penalty in theory.