Throughput Analysis of Small Cell Networks under D-TDD and FFR

Meiyan Song, Hangguan Shan, Howard H. Yang, Tony Q.S. Quek

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Dynamic time-division duplex (D-TDD) has emerged as an effective solution to accommodate the unaligned downlink and uplink traffic in small cell networks. However, the flexibility of traffic configuration also introduces additional inter-cell interference. In this letter, we study the effectiveness of applying fractional frequency reuse (FFR) as an interference coordination technique for D-TDD small cell networks. We derive the analytical expressions of downlink and uplink mean packet throughput (MPT), then study a network parameter optimization problem to maximize MPT while guaranteeing each user's throughput. Numerical results corroborate the benefits of the proposed FFR-based D-TDD in terms of improving throughput.

Original languageEnglish
Article number9225719
Pages (from-to)665-669
Number of pages5
JournalIEEE Communications Letters
Volume25
Issue number2
DOIs
Publication statusPublished - 2021 Feb

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering

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