Up/Downlink Hybrid Inter-Cell Coordination Patterns of the TDD/MC-CDMA System, TDD/MC-CDMA 


Vol. 34,  No. 5, pp. 421-428, May  2009


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  Abstract

Inter-cell coordination has been an emerging issue for mitigating inter-cell interference in broadband wireless access networks such as IEEE802.16 and 3GPP LTE (Long Term Evolution). This paper proposes uplink/downlink hybrid inter-cell coordination patterns for a TDD (Time Division Duplex)/MC-CDMA (Multi-Carrier Code Division Multiple Access) system. For the performance analysis, closed forms of inter-cell interferences are derived when uplink and downlink transmissions coexist over a multi-cell environment. In the analysis, we find an optimal ratio of downlink transmit powers of BSs (Base Stations) based on the target outage probability and the performance according to ratios of uplink/downlink transmit powers of MSs (Mobile Stations)/BSs is explored. Our numerical results show that interference mitigation utilizing the characteristics of the uplink and downlink power ratio is very effective in improving system performance in terms of QoS.

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  Cite this article

[IEEE Style]

S. Han, S. Lee, S. Lee, G. Gil, "Up/Downlink Hybrid Inter-Cell Coordination Patterns of the TDD/MC-CDMA System, TDD/MC-CDMA," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 5, pp. 421-428, 2009. DOI: .

[ACM Style]

Sangjin Han, Sungjin Lee, Sanghoon Lee, and Gye-Tae Gil. 2009. Up/Downlink Hybrid Inter-Cell Coordination Patterns of the TDD/MC-CDMA System, TDD/MC-CDMA. The Journal of Korean Institute of Communications and Information Sciences, 34, 5, (2009), 421-428. DOI: .

[KICS Style]

Sangjin Han, Sungjin Lee, Sanghoon Lee, Gye-Tae Gil, "Up/Downlink Hybrid Inter-Cell Coordination Patterns of the TDD/MC-CDMA System, TDD/MC-CDMA," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 5, pp. 421-428, 5. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880