Modeling and Simulation of Downlink Subcarrier Allocation Schemes in LTE

Andrijana Popovska Avramova, Ying Yan, Lars Dittmann

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    Abstract

    The efficient utilization of the air interface in the LTE standard is achieved through a combination of subcarrier allocation schemes, adaptive modulation and coding, and transmission power allotment. The scheduler in the base station has a major role in achieving the required QoS and the overall system performance. The resources for both downlink and uplink transmission need to be assigned such that the capacity, throughput, and cell edge performance are optimized. This paper investigates allocation schemes for downlink transmission based on different criteria and performs evaluation through simulation results. The system for downlink scheduling is modeled using OPNET Modeler.
    Original languageEnglish
    Title of host publicationProceedings of OPNETWORK2012
    Number of pages6
    PublisherOPNET
    Publication date2012
    Publication statusPublished - 2012
    EventOPNETWORK - Washington DC, United States
    Duration: 13 Aug 201217 Aug 2012
    http://www.opnet.com/opnetwork2012/

    Conference

    ConferenceOPNETWORK
    Country/TerritoryUnited States
    CityWashington DC
    Period13/08/201217/08/2012
    Internet address

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