1] IEEE Std. 802.16TM-2004, “IEEE Standard for Local and Metropolitan Area Networks Part 16: Air Interface for Fixed Broadband Wireless Access Systems,” Oct. 1,2004.
 R. Prasad, OFDM for Wireless Communications Systems, Artech House, Boston, 2004.
 A. A. Hemyari,K. Ng Chee , K. N. Nor, A. Ismail and S. Khatun, “Constructing Routing Tree for Centralized Scheduling using Multi-Channel Single Transceiver System in 802.16 Mesh Mode” RF and Microwave Conference, 2-4 Dec. 2008, pp. 192-196.
 A. Ghiamatyoun, M. Nekoui,N. E. Said, M. Soltan, “Efficient Routing Tree Construction Algorithms for Multi-Channel WiMax Networks,” Computer Communications and Networks, 13-16 Aug. 2007, pp. 957-960.
 Y. Lu , G. Zhang ,"Maintaining Routing Tree in IEEE 802.16 Centralized Scheduling Mesh Networks ",Computer Communications and Networks, 13-16 Aug. 2007, pp. 240-245.
 B. Han, W. Jia, and L. Lin, “Performance Evaluation of Scheduling in IEEE 802.16 Based Wireless Mesh Networks ,” Computer Communications, vol. 30, no. 4, February 2007, pp. 782-792.
 A. A. Hemyari, N. K. Noordin, A. Ismail, S. Khatun, Y.H. Tahir, and Y. A. Qassem, “Centralized Scheduling, Routing Tree in WiMAX Mesh Networks,” Proceedings of the International Conference on Innovations in Information Technology (IIT 2008), December 2008, pp. 539-543.
 Pi-Rong Sheu, Chuan-Fu Hu, Chi-Chiuan Liou, Fang-Chen Chuang, and Yi-Cyun Chen, “An Efficient and Interference-Aware Centralized Routing Tree Algorithm for the Routing and Packet Scheduling Problem in IEEE 802.16 Mesh Networks ,” 2010 International Conference on Communications and Mobile Computing, 2010, vol. 3, pp.496-503.
 R. S. Cheng , D. J. Deng ,C. F. Liu, and T. F. Yang, “A Tree-based Scheduling
Mechanism for IEEE 802.16 Mesh Networks ,” International Symposium On
Digital Life Technology, May 2009, pp.28-29.