ЙМОВІРНІСТЬ ПЕРЕРИВАННЯ ЗВ’ЯЗКУ В MIMO-СИСТЕМІ З ОБМЕЖЕНИМ ВІДНОШЕННЯМ СИГНАЛ-ШУМ
Анотація
Mathematical model of the outage probability in
MIMO-system with Rician fading and limited signal-to-noise
The mathematical model of MIMO-system for Rician fading conditions considering the limited signal-to-noise ratio SNR values in coefficients of transmission modes for diversity and multiplexing, allowing more realistically analyze the possibility of a tradeoff between these two regimes in the MIMO system. Thus revealed that significantly reduces the spatial correlation coefficient attainable transmission diversity limited SNR compared to the asymptotic values of high SNR. Transfer coefficient at the diversity and taking into account the limitations SNR to evaluate the additional power required, which is re quired to reduce the likelihood of errors when used in MIMO-system adaptation data rate.
Посилання
Ільченко М.Ю., Кравчук С.О. Телекомунікаційні системи широкосмугового радіодоступу. – К.: Наукова думка, 2009. – 312 с.
Zheng L., Tse D.N.C. Diversity and multiplexing: A fundamental tradeoff in multiple antenna channels // IEEE Trans. Inf. Theory. – 2003. - vol. 49, № 5. - Р. 1073–1096.
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