Group communication over LTE: A radio access perspective

Juyeop Kim, Sang Won Choi, Won Yong Shin, Yong Soo Song, Yong Kyu Kim

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Long Term Evolution, which has its roots in commercial mobile communications, has recently become an influential solution to future public safety communications. To verify the feasibility of LTE for public safety, it is essential to investigate whether an LTE system optimized for one-to-one communications is capable of providing group communication, which is one of the most important service concepts in public safety. In general, a number of first responders for public safety need to form a group for communicating with each other or sharing common data for collaboration on their mission. In this article, we analyze how the current LTE system can support group communication from the aspect of radio access. Based on the requirements for group communication, we validate whether each LTE-enabled radio access method can efficiently support group communication. In addition, we propose a new multicast transmission scheme, called index-coded HARQ. By applying the index coding concept to HARQ operations, we show that the LTE system can provide group communication that is more sophisticated in terms of radio resource efficiency and scalability. We finally evaluate the performance of LTE-enabled group communication using several radio access methods and show how the proposed transmission scheme enhances performance via system-level simulations.

Original languageEnglish
Article number7452261
Pages (from-to)16-23
Number of pages8
JournalIEEE Communications Magazine
Volume54
Issue number4
DOIs
Publication statusPublished - 2016 Apr

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Communication
Long Term Evolution (LTE)
Scalability

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Kim, Juyeop ; Choi, Sang Won ; Shin, Won Yong ; Song, Yong Soo ; Kim, Yong Kyu. / Group communication over LTE : A radio access perspective. In: IEEE Communications Magazine. 2016 ; Vol. 54, No. 4. pp. 16-23.
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Group communication over LTE : A radio access perspective. / Kim, Juyeop; Choi, Sang Won; Shin, Won Yong; Song, Yong Soo; Kim, Yong Kyu.

In: IEEE Communications Magazine, Vol. 54, No. 4, 7452261, 04.2016, p. 16-23.

Research output: Contribution to journalArticle

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