Title :
Call admission control algorithm based on soft-blocking for TD-SCDMA system
Author :
Zhang, Weichu ; Huang, Lianfen ; Gao, Zhibin ; Tang, Yuliang
Author_Institution :
Dept. of Commun. Eng., Xiamen Univ., Xiamen, China
Abstract :
Call Admission control (CAC) is an important part of radio resource management (RRM) according to certain criteria, CAC determines whether the call is admitted to access or not. CAC is an important means to guarantee the quality of service (QoS) in wireless network. This paper analyses the multi-user detection factor on the uplink load of TD-SCDMA system and the effects of adjacent cell interference theoretically. A CAC algorithm based on the soft-block (SB) is proposed after discussing the shortage of traditional CAC algorithms in TD-SCDMA system in the paper. The simulation results show that the proposed algorithm has a lower blocking rate and call drop rates, and provides a better QoS to access users. At the same time, it has also higher resource utilization.
Keywords :
code division multiple access; quality of service; telecommunication congestion control; time division multiple access; QoS; TD-SCDMA system; call admission control algorithm; call drop rate; cell interference; multiuser detection factor; quality of service; radio resource management; soft blocking; time division synchronous code division multiple access; uplink load; wireless network; Admission control; Algorithm design and analysis; Call admission control; Interference; Resource management; Time division synchronous code division multiple access; TD-SCDMA; call admission control; quality of service; soft-block;
Conference_Titel :
Anti-Counterfeiting Security and Identification in Communication (ASID), 2010 International Conference on
Conference_Location :
Chengdu
Print_ISBN :
978-1-4244-6731-0
DOI :
10.1109/ICASID.2010.5551345
