Average power control algorithm with dynamic channel assignment for TDD-CDMA systems
Zhihua Zheng, Xu Jie He, Wu Jianhua · 2008
In TDD-CDMA system, the different asymmetrical requirements between up-link (UL) and downlink (DL) in different base station (BS) and different timeslot will generate serious inter-cell interference. From the interference points of view, dynamic channel allocation (DCA) is usually adopted in TDD-CDMA systems to improve the system performance. In this paper, a novel DCA with average power control algorithm is investigated. The power control algorithms are addressed on the uplink and downlink power procession, as well as scheme of resource reserving and the BS-BS interference resolving mechanisms. Simulation results show the above DCA scheme has better performance compared to those of the traditional DCA schemes for asymmetrical traffic in TDD-CDMA systems.