Modeling and Simulation of Downlink Subcarrier Allocation Schemes in LTE

Andrijana Popovska Avramova, Ying Yan, Lars Dittmann

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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
Publication date2012
Publication statusPublished - 2012
EventOPNETWORK - Washington DC, United States
Duration: 13 Aug 201217 Aug 2012


Country/TerritoryUnited States
CityWashington DC
Internet address


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