Title :
An analysis of resource allocation and management in TDD-CDMA systems employing smart antennas
Author :
Peng, Mugen ; Wang, Wenbo
Author_Institution :
Center for Wireless Commun., Beijing Univ. of Posts & Telecommun., China
fDate :
31 May-2 June 2004
Abstract :
In this paper, a theoretical analysis of TDD-CDMA downlink capacity constraint is proposed firstly for smart antenna systems. According to the analysis and deduced equations, an advanced resource allocation and management algorithm is developed, which is suitable and efficient for smart antenna systems in TDD mode. From the system capacity viewpoint, the performances, which are compared with two kinds of directional smart antenna system, are shown: the tracking beam antenna (TBA) and the switched beam antenna (SBA). Additionally, a system simulator for performance evaluation has been designed. The simulation results show that proposed power allocation strategies work efficiently in TDD-CDMA systems employing smart antenna. Furthermore, the performance of TBA outperforms that of the SBA.
Keywords :
3G mobile communication; adaptive antenna arrays; code division multiple access; directive antennas; multibeam antennas; resource allocation; telecommunication network management; time division multiplexing; SBA; TBA; TDD-CDMA downlink capacity; power allocation; resource allocation; resource management algorithm; smart antenna systems; switched beam antenna; tracking beam antenna; 3G mobile communication; Antenna theory; Delay; Directional antennas; Directive antennas; Downlink; Linear antenna arrays; Multiaccess communication; Radio transmitters; Resource management;
Conference_Titel :
Emerging Technologies: Frontiers of Mobile and Wireless Communication, 2004. Proceedings of the IEEE 6th Circuits and Systems Symposium on
Print_ISBN :
0-7803-7938-1
DOI :
10.1109/CASSET.2004.1321997
