Please use this identifier to cite or link to this item:
https://doi.org/10.1109/ICC.2007.760
Title: | Bit error performance of orthogonal space-time block codes over time-selective channel | Authors: | He, J. Kam, P.Y. |
Issue Date: | 2007 | Citation: | He, J., Kam, P.Y. (2007). Bit error performance of orthogonal space-time block codes over time-selective channel. IEEE International Conference on Communications : 4604-4609. ScholarBank@NUS Repository. https://doi.org/10.1109/ICC.2007.760 | Abstract: | Most of the existing works on space-time block codes (STBC) assume the channels are quasi-static, i.e., they remain invariant within one block. This assumption is not always true. In a more general case of time-selective channel, the channel matrix is no longer orthogonal. If conventional linear decoder is applied as it is in the quasi-static channel, it will introduce an irreducible error floor. In order to improve the performance, we can use zero-forcing decoder, which completely removes the interference. In this paper, we analyze the average bit error performance for BOTH conventional linear and zeroforcing decoders in the time-selective channels. The closed-form average bit error probabilities are obtained for both decoders, together with the irreducible error floor for the conventional linear decoder. Asymptotic analysis and numerical examples are also provided. © 2007 IEEE. | Source Title: | IEEE International Conference on Communications | URI: | http://scholarbank.nus.edu.sg/handle/10635/69512 | ISBN: | 1424403537 | ISSN: | 05361486 | DOI: | 10.1109/ICC.2007.760 |
Appears in Collections: | Staff Publications |
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