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Journal Article
Asymptotic Performance Analysis of STBCs from Coordinate Interleaved Orthogonal Designs in Shadowed Rayleigh Fading Channels
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- Authors
- Chanho YOON, Hoojin LEE, Joonhyuk KANG
- Issue Date
- 2012-07
- Citation
- IEICE Transactions on Communications, v.E95-B, no.7, pp.2501-2504
- ISSN
- 0916-8516
- Publisher
- 일본, 전자정보통신학회 (IEICE)
- Language
- English
- Type
- Journal Article
- Abstract
- In this letter, we provide an asymptotic error rate performance evaluation of space-time block codes from coordinate interleaved orthogonal designs (STBCs-CIODs), especially in shadowed Rayleigh fading channels. By evaluating a simplified probability density function (PDF) of Rayleigh and Rayleigh-lognormal channels affecting the STBC-CIOD system, we derive an accurate closed-form approximation for the tight upper and lower bounds on the symbol error rate (SER). We show that shadowing asymptotically affects coding gain only, and conclude that an increase in diversity order under shadowing causes slower convergence to asymptotic bound due to the relatively larger loss of coding gain. By comparing the derived formulas and Monte-Carlo simulations, we validate the accuracy of the theoretical results. © 2012 The Institute of Electronics, Information and Communication Engineers.
- KSP Keywords
- Asymptotic error, Block codes, Coding Gain, Diversity Order, Error rate performance, FORM approximation, Information and communication, Monte-Carlo simulation(MCS), Orthogonal designs, Performance analysis, Performance evaluation