On the Capacity of MIMO Wireless Channels(Fundamental Theories)
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概要
- 論文の詳細を見る
In this paper, we present a new closed-form formula for the ergodic capacity of multiple-input multiple-output (MIMO) wireless channels. Assuming independent and identically distributed (i.i.d.) Rayleigh flat-fading between antenna pairs and equal power allocation to each of the transmit antennas, the ergodic capacity of such channels is expressed in closed form as finite sums of the exponential integrals which are the special cases of the complementary incomplete gamma function. Using the asymptotic capacity rate of MIMO channels, which is defined as the asymptotic growth rate of the ergodic capacity, we also give simple approximate expressions for the MIMO capacity. Numerical results show that the approximations are quite accurate for the entire range of average signal-to-noise ratios.
- 社団法人電子情報通信学会の論文
- 2004-03-01
著者
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Lee Jae
School Of Electrical Engineering Seoul National University
-
Lee Jae
The School Of Electrical Engineering Seoul National University
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Lee Jae
School Of Computer Science And Engineering Seoul National University
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Shin Hyundong
School Of Electrical Engineering Seoul National University
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