Accuracy of MIMO Channel Capacity Equation Based Only on S-Parameters of MIMO Antenna

被引:10
作者
Honma, Naoki [1 ]
Sato, Hiroshi [1 ]
Ogawa, Koichi [1 ]
Tsunekawa, Yoshitaka [1 ]
机构
[1] Iwate Univ, Dept Elect Engn & Comp Sci, Morioka, Iwate 0200114, Japan
来源
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2015年 / 14卷
关键词
Antenna array; channel capacity; devices; multiple-input multiple-output (MIMO); radiowave propagation; tunable circuits; SCATTERING; MODEL;
D O I
10.1109/LAWP.2015.2400474
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Since the evaluation of multiple-input multiple-output (MIMO) antennas requires full information of its complex radiation patterns as well as propagation channels, its design procedures and analyses are cumbersome and complicated in general. In this letter, the accuracy of a closed-form capacity formula for mean MIMO channel capacity is investigated, where the S-parameter of the antenna is needed but the antenna must be lossless. Numerical analyses show that this formula gives mean channel capacity with a good accuracy when the signal-to-noise ratio is sufficiently high.
引用
收藏
页码:1250 / 1253
页数:4
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