Optimal relay deployment in Suburban macrocell of LTE-advanced network

Abduljalil Saif, Mahamod Ismail, Rosdiadee Nordin, Mohammed Fadhil

Research output: Contribution to journalArticle

Abstract

Relaying is a promising technique introduced in LTE-advanced network for coverage extensions, throughput and data rate enhancement. However, the current relay deployment tends to be non-optimal in term of the number of relays and their position between evolved Node B (eNB) and User Equipment (UE). In this study, we propose optimal relay deployment by analyzing various scenario consisting up to 10 relays using two cooperative relaying strategies; Amplify And Forward (AAF) and Decode And Forward (DAF). The data is send over from eNB to UE using multi-hop communication over WINNER channel model in Suburban microcells of LTE-advanced networks environment. The optimal deployment is determined by evaluating the number of relays and their locations at targeted Symbol Error Rate (SER) or Signal-to-Noise Ratio (SNR). Simulation results show that relay effectively boost the link performance in comparison with direct connection and also AAF outperformed DAF. Moreover, the optimal deployment achieved using 10 relays with relays located in the middle between eNB and UE.

Original languageEnglish
Pages (from-to)6894-6903
Number of pages10
JournalJournal of Engineering and Applied Sciences
Volume13
Issue number16
DOIs
Publication statusPublished - 1 Jan 2018

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Signal to noise ratio
Throughput
Communication

Keywords

  • AAF
  • DAF
  • Deploy relay
  • LTE-A
  • MMSE
  • OFDM
  • WINNER

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Optimal relay deployment in Suburban macrocell of LTE-advanced network. / Saif, Abduljalil; Ismail, Mahamod; Nordin, Rosdiadee; Fadhil, Mohammed.

In: Journal of Engineering and Applied Sciences, Vol. 13, No. 16, 01.01.2018, p. 6894-6903.

Research output: Contribution to journalArticle

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