Space-time-frequency coding for OFDM-based WLANs

被引：0
|
作者：
Oteri, H [1 ]
Paulraj, A [1 ]
Chimitt, WJ [1 ]
Holt, K [1 ]
机构：
[1] Stanford Univ, Dept Elect Engn, Informat Syst Lab, Stanford, CA 94305 USA
来源：
GLOBECOM '04: IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, VOLS 1-6 | 2004年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We study the impact of Space-Time-Frequency processing techniques on the physical layer performance of an Orthogonal Frequency Division Multiplexing (OFDM) based wireless LAN (IEEE 802.11a/g). A Space Frequency Code (SFC) with two different Soft-Input Soft-Output multiple antenna receivers is compared with an Orthogonal Space Time Block Code (OSTBC) and a single antenna system. We find that the multiple antenna schemes outperform the single antenna scheme as expected with the OSTBC-OFDM scheme providing a diversity improvement and the SFC-OFDM scheme simultaneously improving the diversity and the achievable rate of the system. Throughput curves are used to benchmark the performance of the schemes for specific Packet Error Rates (PERs) and demonstrate the value of switching between architectures/multiantenna schemes in practical systems.
引用
收藏
页码：2925 / 2930
页数：6
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