Title :
Performance evaluation of queue with unreliable wireless channel
Author :
Zhang, Y. ; Soong, B.-H.
Author_Institution :
Wireless Commun. Lab., Nat. Inst. of Inf. & Commun. Technol., Singapore
Abstract :
A queueing system with unreliable time-varying wireless channel is studied. Three different schemes for dealing with the ongoing packet upon encountering the wireless link failure are proposed and analysed. The closed-form formula for the mean queue length and the average packet delay are developed with Poisson arrival process, general packet service time an Gilbert-Elliott channel model. The results show that both the queue length and the packet delay will be significantly underestimated when the wireless channel unreliability is not taken into account.
Keywords :
delay systems; packet radio networks; performance evaluation; queueing theory; stochastic processes; telecommunication network reliability; time-varying channels; wireless channels; Gilbert-Elliott channel model; Poisson arrival process; closed-form formula; delay; encountering; packet service; performance evaluation; queueing system; unreliable time-varying wireless channel; wireless link failure;
Journal_Title :
Communications, IEE Proceedings-
DOI :
10.1049/ip-com:20045304
