Capacity of orthogonal space–time block codes in spatially correlated MIMO Weibull fading channel under various adaptive transmission techniques

Sudakar Singh Chauhan () and Sanjay Kumar
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Sudakar Singh Chauhan: Birla Institute of Technology
Sanjay Kumar: Birla Institute of Technology

Telecommunication Systems: Modelling, Analysis, Design and Management, 2016, vol. 62, issue 1, No 10, 110 pages

Abstract: Abstract The effect of spatial correlation on channel capacity of orthogonal space–time block codes (OSTBCs) over multiple-input multiple-output Weibull fading under different adaptive transmission scheme is studied. In this paper, we have derive the moment generating function of the OSTBC received signal-to-noise ratio for integer Weibull parameter $$\beta $$ β , considering spatial fading correlation. Utilizing the exact expression of the MGF, the probability density function has been simply achieved, thus enabling the exact evaluation of OSTBC capacity under distinct power and rate allocation schemes. Numerical outcomes illustrate the effect of fading severity $$\left( \beta \right) $$ β and fading correlation on the channel capacity and outline the performance differences among the distinctive adaptation schemes. It can be observed that OSTBC system with $$opra$$ o p r a outperform the system with $$tifr$$ t i f r adaptive scheme.

Keywords: Adaptive transmission; Channel capacity; Correlated Weibull fading; Multiple-input multiple-output (MIMO); Orthogonal space-time block codes (OSTBCs) (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/s11235-015-0057-y

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