STBC/SFBC for 4 transmit antennas with 1-bit feedback

被引：5
作者：
Kim, Joonsuk [1 ]
Ariyavisitakul, Sirikiat Lek [3 ]
Seshadri, Nambi [2 ]
机构：
[1] Broadcom Corp, Off CTO, Sunnyvale, CA 94086 USA
[2] Broadcom Corp, Off CTO, Irvine, CA 92617 USA
[3] Broadcom Corp, Off CTO, Irvine, CA 30022 USA
来源：
2008 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, PROCEEDINGS, VOLS 1-13 | 2008年
关键词：
MIMO; STBC; SFBC; feedback;
D O I：
10.1109/ICC.2008.741
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, new space time/frequency block coding (STBC/SFBC) scheme with angle feedback for 4-transmit antennas is proposed. This scheme achieves the full diversity gain with the full code rate by rotating constellation symbols in STBC/SFBC codewords using the quasi-orthogonal structure. With multiple receive antennas, this scheme can also be applied with additional receive antenna diversity. We show the channel characteristics can be much improved with as small as 1-bit feedback overhead. Simulation shows that the proposed scheme with 1-bit feedback achieves near-optimum performance.
引用
收藏
页码：3943 / 3947
页数：5
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