VoIP End-to-End Performance in HSPA with Packet Age Aided HSDPA Scheduling
Chen, T., Charbit, G., Ranta-aho, K., Fresan, O., & Ristaniemi, T. (2008). VoIP End-to-End Performance in HSPA with Packet Age Aided HSDPA Scheduling. In Proc. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Cannes, France (pp. 1-5). https://doi.org/10.1109/pimrc.2008.4699537
© Copyright 2008 IEEE
In this paper, we present an enhanced VoIP scheduling for the high speed downlink packet access (HSDPA) in UMTS, which takes the age of the VoIP packet into account. The downlink capacity can be significantly improved by this way, especially for shorter uplink transmission delay. In order to quantify the achievable performance improvement, we present results obtained from extensive system-level uplink and downlink simulations. Inter alia, it is shown that using the proposed scheme can lead to an increase in the downlink cell capacity of up to 16%. By applying the proposed method, the downlink performance can be improved considerably while the uplink performance remains the same, which ensures the good end-toend performance.
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