Abstract
IEEE 802.16j aims to enhance the coverage, per user throughput and system capacity of IEEE 802.16e. Compared with base station (BS), RS does not need a wire-line backhaul and has much lower hardware complexity. Using RSs can significantly reduce the deployment cost of the system. In this paper, the optimal relay station (RS) location and the bandwidth allocation for RS in fixed RS based radio cooperation system are investigated to maximize the data rate when the RS adopts amplify -forward (AF) scheme. For maximum achievable data rate, the MS selectively accesses BS or RS and the optimal RS location is obtained to maximize the system capacity for relaying system with three sectors within which there is one fixed RS. And then the optimal bandwidth allocation for the RS is gotten by calculating the percentage of MS which accesses RS and SNReff(the composite of SNRsr + SNRrd) and SNRsd. Simulation is implemented to find the optimal RS location and bandwidth allocation for RS in IEEE 802.16j based relay system.
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© 2009 Springer-Verlag Berlin Heidelberg
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Bae, M.H., Otgonbayar, B., Ghishigjargal, Jang, J.W. (2009). A Study on Effective RS Deployment in Mobile WiMAX MMR. In: Ślęzak, D., Kim, Th., Chang, A.CC., Vasilakos, T., Li, M., Sakurai, K. (eds) Communication and Networking. FGCN 2009. Communications in Computer and Information Science, vol 56. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-10844-0_33
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DOI: https://doi.org/10.1007/978-3-642-10844-0_33
Publisher Name: Springer, Berlin, Heidelberg
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