Performance analysis of multi-carrier aggregation with adaptive modulation and coding scheme in LTE-Advanced system

Ibraheem Shayea, Mahamod Ismail, Rosdiadee Nordin, Hafizal Mohamad

Research output: Contribution to journalArticle

Abstract

Although LTE-Advanced system is targeted at enhancing the users’ throughput and increasing connection reliability, however user’s mobility tends to degrade the efficiency of the services and applications in terms of throughput degradation and outage probability reduction. Particularly this is during the handover from the source to the target eNBs. Therefore, the Carrier Aggregation (CA) technique is based on different numbers of Components Carrier (CCs) utilizing AMC scheme is implemented in this paper in order to further enhance the system performance. A simple mathematical formulation for user’s throughput and outage probability evaluation are derived and then used in the simulation for random mobility. It has shown that, the integration of CA and AMC (CA-AMC) on the downlink significantly outperforms systems either by employing CA with common Modulation and Coding Schemes (MCSs) or that by implementing Non-CA technique with MCSs or AMC scheme in terms of throughput and outage probability. The total throughput gains achieved by CA-AMC integration are 50 to 80% over non-CA employed AMC when between 2 to 5 CCs are used respectively with AMC integration. Similarly, the total user’s outage probability is improved when the number of CCs is increased with AMC integration.

Original languageEnglish
Pages (from-to)384-396
Number of pages13
JournalJournal of Theoretical and Applied Information Technology
Volume67
Issue number2
Publication statusPublished - 1 Sep 2014

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Adaptive Modulation and Coding
LTE-advanced
Adaptive modulation
Multicarrier
Performance Analysis
Aggregation
Agglomeration
Outage Probability
Throughput
Outages
Number of Components
Modulation
Coding
Handover
System Performance
Degradation
Tend
Target
Formulation
Evaluation

Keywords

  • AMC
  • Carrier aggregation
  • LTE-advanced
  • Outage probability
  • Throughput

ASJC Scopus subject areas

  • Computer Science(all)
  • Theoretical Computer Science

Cite this

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