A Comparison of Opportunistic Transmission Schemes with Reduced Channel Information Feedback in OFDMA Downlink 


Vol. 33,  No. 7, pp. 768-775, Jul.  2008


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  Abstract

In this paper, we consider downlink throughput performances of multiuser orthogonal frequency division multiplexing with reduced channel information feedback schemes. Specifically, two types of reduced feedback schemes, namely, 1-bit per sub-carrier and selective feedback scheme are considered and compared with each other in terms of average network throughput. Since the strict throughput comparison for given number of feedback bits per user is quite difficult, rather we compare their general behaviors in various system configurations with different system parameters, which can give us an insight into practical system design with those reduced feedback schemes.

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  Cite this article

[IEEE Style]

S. Yoon, "A Comparison of Opportunistic Transmission Schemes with Reduced Channel Information Feedback in OFDMA Downlink," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 7, pp. 768-775, 2008. DOI: .

[ACM Style]

Seokhyun Yoon. 2008. A Comparison of Opportunistic Transmission Schemes with Reduced Channel Information Feedback in OFDMA Downlink. The Journal of Korean Institute of Communications and Information Sciences, 33, 7, (2008), 768-775. DOI: .

[KICS Style]

Seokhyun Yoon, "A Comparison of Opportunistic Transmission Schemes with Reduced Channel Information Feedback in OFDMA Downlink," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 7, pp. 768-775, 7. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880