Title :
A statistical estimation of average IP packet delay in cellular data networks
Author :
Graja, Hubert ; Perry, Philip ; Murphy, John
Author_Institution :
Dept. of Comput. Sci., Univ. Coll. Dublin, Ireland
Abstract :
A novel technique for estimating the average delay experienced by an IP packet in cellular data networks with an SR-ARQ loop is presented. This technique uses the following input data: a statistical description of the radio channel, ARQ loop design parameters and the size of a transported IP packet. An analytical model is derived to enable a closed form mathematical estimation of this delay. To validate this model, a computer based simulator was built and tests showed good agreement between the simulation results and the model. This new model is of particular interest in predicting the packet delay for conversational traffic such as that used for VoIP applications.
Keywords :
IP networks; Internet telephony; automatic repeat request; cellular radio; channel estimation; delay estimation; multimedia communication; packet radio networks; quality of service; radio data systems; telecommunication congestion control; ARQ loop design parameters; SR-ARQ loop; VoIP applications; average IP packet delay; cellular data networks; computer based simulator; conversational traffic; mathematical estimation; mobile multimedia; model validation; packet delay; radio channel statistical description; selective repeat automatic repeat request; statistical estimation; transported IP packet size; wireless QoS; Analytical models; Application software; Automatic repeat request; Cellular networks; Computational modeling; Computer simulation; Delay estimation; Predictive models; Testing; Traffic control;
Conference_Titel :
Wireless Communications and Networking Conference, 2005 IEEE
Print_ISBN :
0-7803-8966-2
DOI :
10.1109/WCNC.2005.1424700
