International Journal of Computer Network and Information Security (IJCNIS)
IJCNIS Vol. 3, No. 5, 8 Aug. 2011
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Bilayer Beams and Relay Sharing based OFDMA Cellular Architecture
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Author(s)
Yanxiong Pan
1,2,*
Hui Han
3
Sihai Zhang
1
Wuyang Zhou
1
Index Terms
Interference, relay, OFDMA, cellular system, frequency planning
Abstract
Over the past decade, researchers have been putting a lot of energy on co-channel interference suppression in the forthcoming fourth generation (4G) wireless networks. Existing approaches to interference suppression are mainly based on signal processing, cooperative communication or coordination techniques. Though good performance has been attained already, a more complex receiver is needed, and there is still room for improvement through other ways.
Considering spatial frequency reuse, which provides an easier way to cope with the co-channel interference, this paper proposed a bilayer beams and relay sharing based (BBRS) OFDMA cellular architecture and corresponding frequency planning scheme. The main features of the novel architecture are as follows. Firstly, the base station (BS) uses two beams, one composed of six wide beams providing coverage to mobile stations (MSs) that access to the BS, and the other composed of six narrow beams communicating with fixed relay stations (FRSs). Secondly, in the corresponding frequency planning scheme, soft frequency reuse is considered on all FRSs further. System-level simulation results demonstrate that better coverage performance is obtained and the mean data rate of MSs near the cell edge is improved significantly. The BBRS cellular architecture provides a practical method to interference suppression in 4G networks since a better tradeoff between performance and complexity is achieved.
Cite This Paper
Yanxiong Pan, Hui Han, Sihai Zhang, Wuyang Zhou, "Bilayer Beams and Relay Sharing based OFDMA Cellular Architecture", International Journal of Computer Network and Information Security(IJCNIS), vol.3, no.5, pp.37-45, 2011. DOI:10.5815/ijcnis.2011.05.05
Reference
[1]3GPP, "TR 25.814 V7.1.0, Physical layer aspects for E-UTRA," 2006.
[2]"IEEE Standard for Local and metropolitan area networks Part 16: Air Interface for Broadband Wireless Access Systems Amendment 1: Multiple Relay Specification," IEEE Std 802.16j-2009 (Amendment to IEEE Std 802.16-2009), pp. c1-c290, 2009.
[3]Loa K., Chih-Chiang Wu, Shiann-Tsong Sheu, Yifei Yuan, Chion M. and Huo D., et al., "IMT-advanced relay standards [WiMAX/LTE Update]," IEEE Commun. Mag., vol.48, pp. 40-48, 2010.
[4]Boudreau G., Panicker J., Ning Guo, Rui Chang, Neng Wang and Vrzic S., "Interference coordination and cancellation for 4G networks," IEEE Commun. Mag., vol.47, pp. 74-81, 2009.
[5]Yushan Pei, Hui Tian, Tong Wu and Ying Wang, "Frequency Planning Scheme Based on Interference Coordination for OFDM-Relay Systems," IEEE Commun. Letters, vol.15, pp. 13-15, 2011.
[6]Zhengguang Zhao, Xuming Fang, Ying Zhu and Yan Long, "Two Frequency Reuse Schemes in OFDMA-TDD Based Two-Hop Relay Networks," in Proc. IEEE WCNC 2010, pp. 1-6.
[7]Lin Qu, Xiaoxiang Wang, Yulong Wang and Jianxin Liao, "Performance Evaluation of Frequency Planning in a Novel Cellular Architecture Based on Sector Relay," in Proc. IEEE VTC 2010-Spring, pp. 1-5.
[8]Lee J. and Yanikomeroglu H., "A Novel Architecture for Multi-Hop WiMAX Systems: Shared Relay Segmentation," in Proc. IEEE WCNC 2010, pp. 1-6.
[9]Min Liang, Fang Liu, Zhe Chen, Ya Feng Wang and Da Cheng Yang, "A Novel Frequency Reuse Scheme for OFDMA Based Relay Enhanced Cellular Networks," in Proc. IEEE VTC 2009-Spring, pp. 1-5.
[10]Rahman M. and Yanikomeroglu H., "Enhancing cell-edge performance: a downlink dynamic interference avoidance scheme with inter-cell coordination," IEEE Trans. Wireless Commun., vol.9, pp. 1414-1425, 2010.
[11]Park W. H. and Bahk S., "Resource management policies for fixed relays in cellular networks," Computer Communications, vol.32, pp. 703-711, 2009.
[12]Lin Xiao and Cuthbert L., "A Two-Hop Proportional Fairness Scheduling Algorithm for Relay Based OFDMA Systems," in Proc. IEEE WiCOM 2008, pp. 1-4.
[13]Haipeng Lei, Lei Zhang, Xin Zhang and Dacheng Yang, "A Novel Multi-Cell OFDMA System Structure using Fractional Frequency Reuse," in Proc. IEEE PIMRC 2007, pp. 1-5.
[14]Senarath G., Tong W. and Zhu P., "Multi-hop Relay System Evaluation Methodology (Channel Model and Performance Metric)," IEEE C802.16j-06/013r3, 2007.
[15]ITU, Guidelines for Evaluation of Radio Transmission Technologies for IMT-2000, 1997.
[16]Chengshan Xiao, Yahong Rosa Zheng and Beaulieu N. C., "Novel Sum-of-Sinusoids Simulation Models for Rayleigh and Rician Fading Channels," IEEE Trans. Wireless Commun., vol.5, pp. 3667-3679, 2006.