Opportunistic scheduling for OFDMA networks with mobile relay stations

Jee Hun Song, Hee Tae Roh, Jang Won Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

To improve the spectral efficiency and extend the coverage of next-generation cellular networks, several technologies are proposed, and one of such technologies is mobile relay stations (MRSs). In the system with MRSs, some of mobile stations (MSs) can act as relay stations (RSs) that forward other MSs data from/to the base station (BS). Compared with the fixed RSs, MRSs have several advantages such as low deployment costs and high flexibility. In this paper, we study an opportunistic subchannel scheduling in orthogonal frequency division multiple access (OFDMA) cellular networks with MRSs. We formulate a stochastic optimization problem to maximize the sum-rate of the system with MRSs while satisfying the minimum average data rate requirement for each MS, and then develop an optimal opportunistic subchannel scheduling algorithm by solving it. Through simulation results, we show the performances of our algorithm.

Original languageEnglish
Title of host publicationInternational Conference on ICT Convergence
PublisherIEEE Computer Society
Pages401-406
Number of pages6
ISBN (Electronic)9781479967865
DOIs
Publication statusPublished - 2014 Dec 11
Event5th International Conference on Information and Communication Technology Convergence, ICTC 2014 - Busan, Korea, Republic of
Duration: 2014 Oct 222014 Oct 24

Publication series

NameInternational Conference on ICT Convergence
ISSN (Print)2162-1233
ISSN (Electronic)2162-1241

Other

Other5th International Conference on Information and Communication Technology Convergence, ICTC 2014
CountryKorea, Republic of
CityBusan
Period14/10/2214/10/24

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Computer Networks and Communications

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  • Cite this

    Song, J. H., Roh, H. T., & Lee, J. W. (2014). Opportunistic scheduling for OFDMA networks with mobile relay stations. In International Conference on ICT Convergence (pp. 401-406). [6983168] (International Conference on ICT Convergence). IEEE Computer Society. https://doi.org/10.1109/ICTC.2014.6983168