Compressive sensing-based random access with multiple-sequence spreading for MTC

Ameha T. Abebe, Chung Gu Kang

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

8 Citations (Scopus)

Abstract

In this paper, we present a new structure for compressive sensing(CS)-based random access (RA) scheme for machine-type communications (MTC). In the proposed scheme, we consider a one-shot transmission in which users transmit their packets right away by spreading them with multiple spreading sequences (MS) over a frame without waiting for scheduling grant from the base station. The scheme is designed for delayconstrained & sporadic traffic where a massive number of users have a very low activity factor, small packet sizes and limited power. It has been shown that by employing the proposed scheme the channel access success rate can be increased without incurring additional detection complexity. In different regions of users' activity factor, two sources of random access failure have been identified. In the design of the MS scheme, the tradeoff between these two factors can be considered to optimize the system. For strictly delay-intolerant applications where retransmission is not allowed, it is shown that about 10 times more users can be supported by employing MS in comparison with a type of random access in long term evolution (LTE) network.

Original languageEnglish
Title of host publication2015 IEEE Globecom Workshops, GC Wkshps 2015 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781467395267
DOIs
Publication statusPublished - 2016 Feb 18
EventIEEE Globecom Workshops, GC Wkshps 2015 - San Diego, United States
Duration: 2015 Dec 62015 Dec 10

Other

OtherIEEE Globecom Workshops, GC Wkshps 2015
CountryUnited States
CitySan Diego
Period15/12/615/12/10

Fingerprint

Long Term Evolution (LTE)
Base stations
communications
Scheduling
Communication
scheduling
grant
traffic

Keywords

  • Compressive Sensing
  • Group Orthogonal Matching Pursuit
  • Machine Type Communication
  • Random Acess
  • Sporadic Traffic
  • Spreading Spectrum

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications
  • Communication

Cite this

Abebe, A. T., & Kang, C. G. (2016). Compressive sensing-based random access with multiple-sequence spreading for MTC. In 2015 IEEE Globecom Workshops, GC Wkshps 2015 - Proceedings [7414213] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/GLOCOMW.2015.7414213

Compressive sensing-based random access with multiple-sequence spreading for MTC. / Abebe, Ameha T.; Kang, Chung Gu.

2015 IEEE Globecom Workshops, GC Wkshps 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2016. 7414213.

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

Abebe, AT & Kang, CG 2016, Compressive sensing-based random access with multiple-sequence spreading for MTC. in 2015 IEEE Globecom Workshops, GC Wkshps 2015 - Proceedings., 7414213, Institute of Electrical and Electronics Engineers Inc., IEEE Globecom Workshops, GC Wkshps 2015, San Diego, United States, 15/12/6. https://doi.org/10.1109/GLOCOMW.2015.7414213
Abebe AT, Kang CG. Compressive sensing-based random access with multiple-sequence spreading for MTC. In 2015 IEEE Globecom Workshops, GC Wkshps 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2016. 7414213 https://doi.org/10.1109/GLOCOMW.2015.7414213
Abebe, Ameha T. ; Kang, Chung Gu. / Compressive sensing-based random access with multiple-sequence spreading for MTC. 2015 IEEE Globecom Workshops, GC Wkshps 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2016.
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