Cooperative Transmission Scheme in OFDMA Uplink System 


Vol. 32,  No. 5, pp. 475-483, May  2007


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  Abstract

Recently, consumers demand high-quality wireless multimedia services via terrestrial and satellite network. And the interest for new services to sustain its successful commercial deployment grows tremendously. So, the MIMO schemes, such as STCs, MRC, has been used for realizing high reliability. However, MIMO schemes has some limitations. MIMO scheme needs more size, cost, and hardware complexity to employ additional antennas. Moreover, sufficient spaces between antennas are required to guarantee the independence of each channel and the devices which use multiple antennas should be enlarged. A cooperative transmission technique which is detect and forward type applying virtual MIMO with STBC matrix in DVB-RCT(Digital Video Broadcasting with Return Channel via Terrestrial) system based on OFDMA is also proposed.

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  Cite this article

[IEEE Style]

J. Yoon and H. Song, "Cooperative Transmission Scheme in OFDMA Uplink System," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 5, pp. 475-483, 2007. DOI: .

[ACM Style]

Jae-Seon Yoon and Hyoung-Kyu Song. 2007. Cooperative Transmission Scheme in OFDMA Uplink System. The Journal of Korean Institute of Communications and Information Sciences, 32, 5, (2007), 475-483. DOI: .

[KICS Style]

Jae-Seon Yoon and Hyoung-Kyu Song, "Cooperative Transmission Scheme in OFDMA Uplink System," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 5, pp. 475-483, 5. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880