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학술지 On the Training of MIMO-OFDM Channels With Least Square Channel Estimation and Linear Interpolation
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저자
이승준
발행일
200802
출처
IEEE Communications Letters, v.12 no.2, pp.100-102
ISSN
1089-7798
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LCOMM.2008.071566
초록
The effect of pilot arrangement is investigated on the performance of trained MIMO-OFDM channels where fading is time-flat in a block of coherence-time duration but frequencyselective. The MIMO-OFDM channel is considered to be trained by using least square channel estimation on pilot subcarriers and by applying linear interpolation on data subcarriers. The achievable rate of such a system is derived employing the generalized mutual information approach. Numerical examples are presented examining the optimal density of pilots in the twodimensional time-frequency domain. © 2008 IEEE.
키워드
Generalized mutual information, Least square channel estimation, Linear interpolation, Multiple input multiple output, OFDM
KSP 제안 키워드
Achievable rate, Channel estimation(CE), Least Squares(LS), Multiple input multiple output(MIMO), Multiple input multiple output orthogonal frequency division multiplexing(MIMO-OFDM), Numerical examples, Square channel, Time duration, frequency domain(FD), generalized mutual information, linear interpolation