Wu Yinghua, Wang Wendong, Que Xirong. An SLA-based charging scheme of IP QoS management system[J]. Journal of Beijing University of Posts and Telecommunications， 2006, 9(1): 77-81.
[2]
林尧瑞, 马少平. 人工智能导论[M]. 北京：清华大学出版社, 2002. 1-30.
[3]
Lin Yaorui, Ma Shaoping. Introduction to artificial intelligence[M]. Beijing: Tsinghua University Press, 2002. 1-30.
[4]
3GPP TS 23.125 v6.8.0—2006, 3rd generation partnership project; technical specification group services and system aspects; overall high level functionality and architecture impacts of flow based charging; stage 2 (release 6) [S]. France: 3GPP, 2006: 10-18.
Hartanto F, Carle G. Policy-based billing architecture for Internet differentiated services[C]// Proceedings of IFIP Fifth International Conference on Broadband Communications (BC' 99) . Hong Kong: [s.n.], 1999. 5-6.
[7]
ITU-T Draft Rec Y. 1541—2002, Network performance objectives for IP-based services[S]. 2002.
[8]
Li C, Roy S. Subspace-based blind channel estimation for OFDM by exploiting virtual carriers [J]. IEEE Trans Wireless Commun, 2003, 2(1):141–150.
[9]
Chongyong Shin. Blind channel identification for MIMO-OFDM systems [J]. IEEE Trans Vehicular Technology, 2007, 56:670-683.
[10]
Christina Fragouli，Naofal Al-Dhahir ， William Turin. Training-based channel estimation for multiple-antenna broadband transmissions[J]. IEEE Trans Wireless Commun，2003, 2(2): 384-391.
Li Xiaojun, Yin Changchuan, Yue Guangxin. Optimum pilot tone design for MIMO-OFDM systems over doubly-selective channels [J]. Journal of Beijing University of Posts and Telecommunications，2006, 29(3): 53-56.
[13]
Peter Strobach. Low-rank adaptive filters [J]. IEEE Trans Signal Processing, 1996， 44: 2932-2947.
