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Effective Frequency Reuse Scheme for OFDMA Cellular Multihop Networks for Improving Cell Throughput with Low Outage Ratio  

Lim, Sung-Gook (연세대학교 전기전자공학과 유비쿼터스 연구실)
Jeon, Hahn-Earl (연세대학교 전기전자공학과 유비쿼터스 연구실)
Lee, Jai-Yong (연세대학교 전기전자공학과 유비쿼터스 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.35, no.12A, 2010 , pp. 1198-1206 More about this Journal
Abstract
Recently smart phone and tablet PC are regarded as the most valuable mobile devices, so the demand of customers for multimedia supporting has been greatly increased. The network operators are now considering the deployment of relay stations ensuring low installation costs for its service cell to improve the cell capacity. Enhancing the relay stations, however, increases intra-cell interference, which is affecting the quality of service and outage ratio. In this paper, we present MPFR(Multihop Partial Frequency reuse) as the new frequency reuse scheme to increase cell throughput while maintaining low outage ratio for the OFDMA cellular multihop networks. Dynamic power control is also introduced to improve cell capacity. Overall cell throughput and outage ratio are observed by the simulation, and comparison between MPFR and conventional multihop frequency reuse schemes is convincing the performance enhancement.
Keywords
Multihop Cellular Network; OFDMA; Frequency Reuse; Relay;
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1 Sreng V. M., Yanikomeroglu H., Falconer D. D. "Coverage enhancement through two-hop relaying in cellular radio networks", Proc. IEEE WCNC 2002. Orlando, USA: IEEE Press, 2002.
2 R. Pabst et al., "Relay-based deployment concepts for wireless and mobile broadband radio", IEEE Comm. Mag. 42 (9) (2004) 80–9.   DOI   ScienceOn
3 H. Hu, H. Yanikomeroglu, D. Falconer and S.Periyalwar, "Range extention without capacity penalty in cellular networks with digital fixed relays," in Proc. IEEE Global Communications Conf. (GLOBECOM), Dallas, Texas, Nov. 2004, pp.3053-3057.
4 T. Liu, M. Rong, P. Li, D. Yu, Y. Xue and E. Schulz, "Radio resource allocation in two-hop cellular relying network," in Proc. IEEE Vehicular Technology Conf. (VTC), Melbourne, Australia, May 2006, pp.91-95.
5 L. Wang, Y. Ji, F. Liu, and J. Li, "Performance Improvement through Relay-Channel Partitioning and Reuse in OFDMA Multihop Cellular Networks," in IEEE IWCMC proceedings, pp.177-182, Aug 6-8 2008.
6 Y. Xiang, J. Luo and C. Hartmann, "Inter-cell Interference Mitigation through Flexible Resource Reuse in OFDMA based Communication Networks", Proceedings of European Wireless Conference, 2007.
7 Hyunduk Jung, Eunhyun Kwon, Inkeun Cho, Sunggook Lim and Jaiyong Lee, "Dynamic Resource Allocation in Cellular Radio Networks with Downlink Relaying," ICOIN 2008, Busan Korea
8 IEEE Std 802.16j-2009, "IEEE Standard for Local and metropolitan area networks. Part 16: Air Interface for Broadband Wireless Access Systems. Amendment 1: Multihop Relay Specification"
9 W. H. Park and S.Bahk, "Resource management policies for fixed relays in cellular networks," in Proc. IEEE GLOBECOM 2006, December 2006, San Francisco, California.
10 K. Park and et al. "The Performance of Relay-Enhanced Cellular OFDMA-TDD Network for Mobile Broadband Wireless Services", EURASIP Journal on Wireless Communications and Networking, Volume 2009, Article ID 261815, 10 pages.
11 T. Liu, M. Rong, H. Shi, D. Yu, Y. Xue and E. Schulz, "Reuse partitioning in fixed two hop cellular relaying network," in Proc. IEEE Wireless Communications and Networking Conf. (WCNC), Las Vegas, NV, April 2006, pp.177-182.
12 S. Lee, S. Lim, H. Kim and J. Lee, "Outage reduction through efficient frequency reuse scheme for OFDMA based multihop cellular networks," International Conf. on Information Networking (ICOIN), Busan, Korea, Jan. 2010.
13 G. Senarath, W. Tong, P. Zhu et al., "Multi-hop relay system evaluation methodology (channel model and performance metric)", IEEE C802.16j-06/013r3, Feb. 2007, http://ieee802.org/ 16/relay/.
14 L. Guan, J. Zhang, J. Li, G. Liu and P. Zhang, "Spectral efficient frequency allocation scheme in multihop cellular network," in Proc. IEEE Vehicular Technology Conf. (VTC), Baltimore, MD, Sep. 2007, pp.1446-1450.