Analyzing the impact of relay station characteristics on uplink performance in cellular network

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    Uplink users in cellular networks, such as UMTS/ HSPA, located at the edge of the cell generally suffer from poor channel conditions. Deploying intermediate relay nodes is seen as a promising approach towards extending cell coverage. This paper focuses on the role of packet scheduling in cellular networks with relay nodes. In particular, two uplink scheduling schemes deploying the relay functionality in different ways are compared in performance to a reference scenario where relaying is not used. We derive expressions which characterize for each of the two relay-enabled schedulers the service area of a relay station as a function of the relay location and transmit power. The results show that the service area is significantly influenced by the type of scheduling. Examining for both schedulers the impact on the effective data rates of mobile stations shows that there is an optimal combination of relay's position and transmit power which maximizes the service provided to all mobiles.
    Original languageUndefined
    Title of host publicationThird ERCIM Workshop on eMobility
    Place of PublicationEnschede
    PublisherCentre for Telematics and Information Technology (CTIT)
    Number of pages12
    ISBN (Print)978-90-365-2846-7
    Publication statusPublished - 27 May 2009
    Event3rd ERCIM Workshop On eMobility 2009 - Enschede, Netherlands
    Duration: 27 May 200928 May 2009
    Conference number: 3

    Publication series

    ISSN (Print)1574-0846
    ISSN (Electronic)0929-0672


    Workshop3rd ERCIM Workshop On eMobility 2009
    Internet address


    • EWI-15411
    • IR-62826
    • METIS-263875

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