• Journal of Internet Computing and Services
    ISSN 2287 - 1136 (Online) / ISSN 1598 - 0170 (Print)
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A Study on the Optimal Wireless Resource Allocation for the Access and Relay Zones of Downlink in a 2-hop Cellular Relay System based on IEEE802.16j


In-Hwan Lee, Se-Jin Kim, Sung-Ho Cho, Journal of Internet Computing and Services, Vol. 11, No. 3, pp. 43-52, Jun. 2010
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Keywords: IEEE802.16j, OFDMA-TDD, Multi-hop Relay, Coverage Extension, Resource Allocation

Abstract

In this paper, we evaluate the system throughput and the method of optimal wireless resource allocation for the access zone (AZ) and relay zone (RZ) in downlink when the cell coverage is extended using the non-transparent Relay Station (RS) in a 2-hop cellular relay system based on IEEE802.16j, which uses the OFDMA-TDD structure. For the analyses, we first introduce the MAC (Media Access Control) frame structure in the non-transparent mode, then we investigate the interfering elements in both AZ and RZ for the network devices such as the Mobile Station (MS) and RS. Through computer simulation, we analyze the cell coverage extension and system throughput in terms of the distance between Base Station (BS) and RS, then we present the amount of the optimal allocation of wireless resource for the AZ and RZ in downlink using our results.


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Cite this article
[APA Style]
Lee, I., Kim, S., & Cho, S. (2010). A Study on the Optimal Wireless Resource Allocation for the Access and Relay Zones of Downlink in a 2-hop Cellular Relay System based on IEEE802.16j. Journal of Internet Computing and Services, 11(3), 43-52.

[IEEE Style]
I. Lee, S. Kim, S. Cho, "A Study on the Optimal Wireless Resource Allocation for the Access and Relay Zones of Downlink in a 2-hop Cellular Relay System based on IEEE802.16j," Journal of Internet Computing and Services, vol. 11, no. 3, pp. 43-52, 2010.

[ACM Style]
In-Hwan Lee, Se-Jin Kim, and Sung-Ho Cho. 2010. A Study on the Optimal Wireless Resource Allocation for the Access and Relay Zones of Downlink in a 2-hop Cellular Relay System based on IEEE802.16j. Journal of Internet Computing and Services, 11, 3, (2010), 43-52.