[1] Gilhousen K S, Jacobs I M, Padovani R, et al. On the capacity of a cellular CDMA system [J]. IEEE Transactions on Vehicular Technology, 1991, 40(2):303-312.
[2] Haas Z J, Deng J, Liang B, et al. Wireless ad hoc networks[C]//Wiley Encyclopedia of Telecommunications. Wiley, 2002.
[3] Zhao D, Todd T D. Cellular CDMA capacity with out-of-band multihop relaying [J]. IEEE Transactions on Mobile Computing, 2006, 5(2):170-178.
[4] Song W, Zhuang W, Saleh A. Interworking of 3G cellular networks and wireless LANs [J]. International Journal of Wireless and Mobile Computing, 2007, 2(4):237-247.
[5] Smaoui I, Zarai F, Kamoun L. Heterogeneous wireless networks: configuration and vertical handoff management [J]. Wireless Personal Communications, 2009, 5(3):417-445.
[6] Lai Y C, Lin P, Cheng S M. Performance modeling for application-level integration of heterogeneous wireless networks [J]. IEEE Transactions on Vehicular Technology, 2009, 58(5):2426-2434.
[7] Choi H H, Song O, Cho D H. Seamless handoff scheme based on pre-registration and pre-authentication for UMTS—WLAN interworking [J]. Wireless Personal Communications, 2007, 41(3):345-364.
[8] Pandey V, Ghosal D, Mukherjee B, et al. Call admission and handoff control in multi-tier cellular networks: algorithms and analysis [J]. Wireless Personal Communications, 2007, 43(3):857-878.
[9] Phiri F A, Murthy M B R. WLAN-GPRS tight coupling based interworking architecture with vertical handoff support [J]. Wireless Personal Communications, 2007, 40(2):137-144.
[10] Lee SuKyoung, Sriram K, Kim K, et al. Vertical handoff decision algorithms for providing optimized performance in heterogeneous wireless networks[J]. IEEE Transactions on Vehicular Technology, 2009, 58(2):865-881.
[11] Li Xujie, Xia Weiwei, Shen Lianfeng. Erlang capacity analysis of 3G/ad hoc integrated network[J]. IEICE Transactions on Communications, 2011, 94(1):319-321.
[12] Goldsmith A. Wireless communications [M].Cambridge University Press, 2005.
[13] Viterbi A J. CDMA: principles of spread spectrum communication [M]. Reading, MA, USA: Addison-Wesley, 1995.