Spherical space-time codes (SSTC)

被引：6
|
作者：
Terry, JD [1 ]
Heiskala, JT [1 ]
机构：
[1] Nokia Inc, Irving, TX 75039 USA
来源：
IEEE COMMUNICATIONS LETTERS | 2001年 / 5卷 / 03期
关键词：
multidimensional coding; orthogonal frequency; division multiplexing (OFDM); space-time codes;
D O I：
10.1109/4234.913155
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this letter, we present the extension of the trellis space-time code (STC) concept to include signal mapping drawn from an N-dimensional sphere. The signal points were designed as such to Increase the minimum squared distance between points in the constellation without increasing the average transmit energy. The mapping of the N-dimensional spherical constellations was performed in accordance to set partitioning rules for STC developed by AT&T but optimized for these codes. Performance evaluation For these spherical space-time codes (SSTC) are illustrated in an OFDM framework, which is a natural choice for multidimensional signaling.
引用
收藏
页码：107 / 109
页数：3
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