Performance analysis of uplink packet schedulers in cellular networks with relaying
conference paper
Deployment of intermediate relay nodes in cellular networks, e.g. UMTS/ HSPA, has been proposed for service enhancement, which is of particular importance for uplink users at the cell edge suffering from low power capacity and relatively poor channel conditions. In this paper, we propose and investigate a number of uplink packet scheduling schemes deploying the relay functionality in different ways. Using a combined packet and flow level analysis capturing the specifics of the scheduling schemes and the random behavior of the users (initiation and completion of flow transfers), the performance of the various schemes is evaluated and compared to a reference scenario where relaying is not used. The main performance measures considered in our study are the instantaneous data rate, the energy consumption and the mean flow transfer time. Interestingly, considering flow transfer times, it is found that the use of relay nodes is not only particularly beneficial for users at the cell edge but also has a strongly positive effect on the performance of users at locations close to the base station.
Topics
TNO Identifier
954108
ISSN
18684238
ISBN
9783642038
Publisher
Springer
Source title
IFIP Advances in Information and Communication Technology, 2nd IFIP WG 6.8 Joint Conference on Wireless and Mobile Networking, WMNC 2009, 9 September 2009 through 11 September 2009
Editor(s)
Wozniak, J.
Konorski, J.
Katulski, R.
Pach, A.R.
Konorski, J.
Katulski, R.
Pach, A.R.
Place of publication
Berlin
Pages
263-273
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