|  Peng M, Wang W. Technologies and standards for TDSCDMA evolutions to IMT-advanced. IEEE Communica-tions Magazine, 2009, 47(12): 50-58. The third generation partnership project (3GPP). Evolved universal terrestrial radio access (E-UTRA) and evolved universal terrestrial radio access network (EUTRAN), overall descriptions stage 2. TS 36.300, v9.2.0. http://www.3gpp.org/ftp/Specs/html-info/36300.htm, Dec. 2012. Zhou Y, Wang J, Sawahashi M. Downlink transmission of broadband OFCDM systems——Part I: Hybrid detection. IEEE Trans. Commun., 2005, 53(4): 718-729. Zhou Y, Ng T, Wang J, Higuchi K, Sawahashi M. OFCDM: A promising broadband wireless access technique. IEEE Communications Magazine, 2008, 46(3): 39-49. Tian L, Li J, Huang Y, Shi J, Zhou J. Seamless dual-link handover scheme in broadband wireless communication systems for high-speed rail. IEEE Journal on Selected Areas in Communication, 2012, 30(4): 708-718. The third generation partnership project (3GPP). Selfconfiguring and self-optimizing network (SON) use cases and solutions (release 9). TR 36.902, v9.1.0. http://www. 3gpp.org/ftp/Specs/html-info/36902.htm, Dec. 2012. The third generation partnership project (3GPP). Telecommunication management; Self-organizing networks (SON); Concepts and requirements (release 9). TS 32.500, v9.0.0, http://www.3gpp.org/ftp/Specs/html-info/32500.htm, Dec. 2012. Peng M, Liang D, Wei Y, Li J, Chen H. Self-configuration and self-optimization in LTE-advanced heterogeneous networks. IEEE Communications Magazine, 2013, 51(5), to be appeared. Wei Y, Peng M, Wang W, Min S, Jiang J, Huang Y. Automatic distributing schemes of physical cell identity for selforganizing networks. International Journal of Distributed Sensor Networks, 2012, 2012. Hanly S V. An algorithm for combined cell-site selection and power control to maximize cellular spread spectrum capacity. IEEE Journal on Selected Areas in Communication, 1995, 13(7): 1332-1340. Das S, Viswanathan H, Rittenhouse G. Dynamic load balancing through coordinated scheduling in packet data systems. In Proc. the 22nd INFOCOM, Mar. 30-Apr. 3, 2003, pp.786-796. Zhang H, Qiu X S, Meng L M, Zhang X D. Achieving distributed load balancing in self-organizing LTE radio access network with autonomic network management. In Proc. the 25th GLOBECOM Workshop, December 2010, pp.454-459. D?ottling M, Viering I. Challenges in mobile network operation: Towards self-optimizing networks. In Proc. ICASSP 2009, April 2009, pp.3609-3612. Bu T, Li L, Ramjee R. Generalized proportional fair scheduling in third generation wireless data networks. In Proc. the 25th INFOCOM, April 2006, pp.1-12. Kwan R, Arnott R, Paterson R, Trivisonno R, Kubota M. On mobility load balancing for LTE systems. In Proc. the 72nd VTC-Fall, September 2010. Zhang L, Liu Y, Zhang M R, Jia S C, Duan X Y. A two-layer mobility load balancing in LTE self-organization networks. In Proc. the 13th ICCT, September 2011, pp.925-929. Li Z H,Wang H, Pan Z W, Liu N, You X H. Joint optimization on load balancing and network load in 3GPP LTE multi-cell networks. In Proc. WCSP 2011, November 2011. Son K, Chong S, de Veciana G. Dynamic association for load balancing and interference avoidance in multi-cell networks. IEEE Transactions on Wireless Communications, 2009, 8(7): 3566-3576. Legg P, Hui G, Johansson J. A simulation study of LTE intrafrequency handover performance. In Proc. the 72nd VTCFall, September 2010. Jansen T, Balan I, Turk J, Moerman I, Kürner T. Handover parameter optimization in LTE self-organizing networks. In Proc. the 72nd VTC-Fall, September 2010. Komine T, Yamamoto T, Konishi S. A handover optimization algorithm with mobility robustness for LTE systems. In Proc. the 22nd PIMRC, September 2011, pp.1647-1651. The third generation partnership project (3GPP). Dependencies among SON use cases and CCO priority. R3-091032, http: // www.3gpp.org/ftp/tsg ran/WG3 Iu/TSGR3 64/Docs/, Dec. 2012. Lobinger A, Stefanski S, Jansen T, Balan I. Coordinating handover parameter optimization and load balancing in LTE selfoptimizing networks. In Proc. the 73rd VTC-Spring, May 2011. Jain R, Chiu D, Hawe W. A quantitative measure of fairness and discrimination for resource allocation in shared computer systems. Technical Report, DEC-TR-301, Digital Equipment Corp., 1984. The third generation partnership project (3GPP). Requirements for support of radio resource management. TS 36.133 V8.7.0, http://www.3gpp.org/ftp/Specs/htmlinfo/36133.htm, Dec. 2012. Marler R T, Arora J S. Survey of multi-objective optimization methods for engineering. Structural and Multidisciplinary Optimization, 2004, 26(6): 369-395. Das I, Dennis J E. A closer look at drawbacks of minimizing weighted sums of objectives for Pareto set generation in multicriteria optimization problems. Structural Optimization, 1997, 14(1): 63-69. Jansen T, Balan I, Stefanski S, Moerman I, Kurner T. Weighted performance based handover parameter optimization in LTE. In Proc. the 73rd VTC-Spring, May 2011.