Title :
A Downlink Performance Analysis of VoIP Services Over an IEEE 802.16e OFDMA System
Author_Institution :
Samsung Electron. Co. Ltd.
Abstract :
The voice-over-Internet protocol (VoIP) service is expected to be widely supported in wireless mobile networks, though its feasibility and capacity have not been studied in relation to the emerging IEEE 802.16e orthogonal frequency division multiple access (OFDMA) system. Using analytical and simulation models that we developed, we present the downlink performance of VoIP services over an IEEE 802.16e OFDMA system
Keywords :
IEEE standards; Internet telephony; OFDM modulation; WiMax; broadband networks; frequency division multiple access; mobile radio; radio access networks; IEEE 802.16e; OFDMA system; VoIP service; downlink performance analysis; orthogonal frequency division multiple access; voice-over-Internet protocol; wireless mobile network; Analytical models; Downlink; Frequency conversion; Internet telephony; Media Access Protocol; Modulation coding; Performance analysis; Queueing analysis; Speech analysis; Traffic control;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2007.061565
