Title :
Simulation analysis of RLC timers in UMTS systems
Author :
Xu, Xiao ; Chen, Yi-Chiun ; Xu, Hua ; Gonen, Eren ; Liu, Peijuan
Author_Institution :
Global Telecom Solutions Sector, Motorola Inc., Arlington Heights, IL, USA
Abstract :
Radio Link Control (RLC) is the layer two protocol used in 3G UMTS cellular systems for flow control and error recovery. Due to the complexity of the protocol and the multitude of parameter configurations available, it is extremely difficult to model RLC analytically. Therefore we present a simulation model to study RLC performance in UMTS systems. We focus on the impacts of the poll prohibit timer and the poll timer on RLC throughput, goodput and delay. Our simulation results provide some insight into the optimization of these two timer values.
Keywords :
3G mobile communication; cellular radio; digital simulation; protocols; telecommunication computing; 3G UMTS cellular systems; RLC timers; Radio Link Control; UMTS systems; error recovery; flow control; layer two protocol; optimization; performance; poll prohibit timer; poll timer; simulation; simulation analysis; throughput; 3G mobile communication; Access protocols; Analytical models; Control systems; Error correction; GSM; Radio control; Radio link; Telecommunication control; Throughput;
Conference_Titel :
Simulation Conference, 2002. Proceedings of the Winter
Print_ISBN :
0-7803-7614-5
DOI :
10.1109/WSC.2002.1172923
