A New Reduction Method of the Uplink Information for and Adaptive Modulation and Coding OFDM/FDD System 


Vol. 29,  No. 2, pp. 140-146, Feb.  2004


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  Abstract

In this paper we proposed the reducing method of feedback information for transmitting of adaptable data rate in multi-user OFDMA/FDD systems. In order to transmit downlink channel information 10 Base-Station(BS) through the limited uplink control channel, the proposed algorithm exploits the channel variation level which describes the similarity among the adjacent clusters and just one modulation and coding scheme(MCS) level representing channel information of all clusters. We investigated the performance in single cell environment. It has a similar overhead for feedback information with conventional algorithm and has better performance in that hand width efficiency and outage probability than the conventional algorithms.

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  Cite this article

[IEEE Style]

I. Jang, B. Ryu, K. Cho, "A New Reduction Method of the Uplink Information for and Adaptive Modulation and Coding OFDM/FDD System," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 2, pp. 140-146, 2004. DOI: .

[ACM Style]

Il-soon Jang, Byoung-han Ryu, and Kyoung-rok Cho. 2004. A New Reduction Method of the Uplink Information for and Adaptive Modulation and Coding OFDM/FDD System. The Journal of Korean Institute of Communications and Information Sciences, 29, 2, (2004), 140-146. DOI: .

[KICS Style]

Il-soon Jang, Byoung-han Ryu, Kyoung-rok Cho, "A New Reduction Method of the Uplink Information for and Adaptive Modulation and Coding OFDM/FDD System," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 2, pp. 140-146, 2. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880