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Bit allocation approach of spatial modulation for multi-user scenario.

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Title: Bit allocation approach of spatial modulation for multi-user scenario.
Authors: Siregar, Rahmat Faddli1 fadlisiregar@kumoh.ac.kr, Murti, Fahri Wisnu1 fahri.murti@kumoh.ac.kr, Shin, Soo Young1 wdragon@kumoh.ac.kr
Source: Journal of Network & Computer Applications. Feb2019, Vol. 127, p1-8. 8p.
Subjects: Bit allocation analysis, Internet of things, Bit error rate, Probability theory, Energy consumption
Abstract: Abstract In this study, a multi-user bit allocation approach using spatial modulation (SM) technique is proposed. Massive connectivity can be covered using the proposed scheme such as for massive downlink (DL) internet of things (IoT). In the proposed scheme, like single-user DL SM, a single antenna is activated to send information to multiple DL users. At each user, the antenna index and constellation symbol are then estimated and converted into information bits. The information bits are extracted to obtain bits that are addressed only to the particular user. Consequently, both inter-channel and inter-user interference can be avoided among the users in the proposed scheme. As performance measures, average bit error probability (ABEP) and throughput are evaluated. It is shown that the ABEP of each user in the proposed scheme outperforms that in a single-user DL SM system by both analysis and simulation. The throughput analysis also shows that overall throughput of proposed system outperforms that in a single-user DL system. Moreover, the receiver complexity comparison between the existing technique with the proposed scheme for multi-user is presented. It is shown that the proposed system achieves the lowest receiver complexity compared to the others with the same system configurations. Finally, the energy efficiency comparison with the existing technique is also presented. It shown that the proposed system achieves lower energy consumption compared with the existing technique. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Network & Computer Applications is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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  Data: Bit allocation approach of spatial modulation for multi-user scenario.
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  Data: <searchLink fieldCode="AR" term="%22Siregar%2C+Rahmat+Faddli%22">Siregar, Rahmat Faddli</searchLink><relatesTo>1</relatesTo><i> fadlisiregar@kumoh.ac.kr</i><br /><searchLink fieldCode="AR" term="%22Murti%2C+Fahri+Wisnu%22">Murti, Fahri Wisnu</searchLink><relatesTo>1</relatesTo><i> fahri.murti@kumoh.ac.kr</i><br /><searchLink fieldCode="AR" term="%22Shin%2C+Soo+Young%22">Shin, Soo Young</searchLink><relatesTo>1</relatesTo><i> wdragon@kumoh.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Network+%26+Computer+Applications%22">Journal of Network & Computer Applications</searchLink>. Feb2019, Vol. 127, p1-8. 8p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Bit+allocation+analysis%22">Bit allocation analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Internet+of+things%22">Internet of things</searchLink><br /><searchLink fieldCode="DE" term="%22Bit+error+rate%22">Bit error rate</searchLink><br /><searchLink fieldCode="DE" term="%22Probability+theory%22">Probability theory</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract In this study, a multi-user bit allocation approach using spatial modulation (SM) technique is proposed. Massive connectivity can be covered using the proposed scheme such as for massive downlink (DL) internet of things (IoT). In the proposed scheme, like single-user DL SM, a single antenna is activated to send information to multiple DL users. At each user, the antenna index and constellation symbol are then estimated and converted into information bits. The information bits are extracted to obtain bits that are addressed only to the particular user. Consequently, both inter-channel and inter-user interference can be avoided among the users in the proposed scheme. As performance measures, average bit error probability (ABEP) and throughput are evaluated. It is shown that the ABEP of each user in the proposed scheme outperforms that in a single-user DL SM system by both analysis and simulation. The throughput analysis also shows that overall throughput of proposed system outperforms that in a single-user DL system. Moreover, the receiver complexity comparison between the existing technique with the proposed scheme for multi-user is presented. It is shown that the proposed system achieves the lowest receiver complexity compared to the others with the same system configurations. Finally, the energy efficiency comparison with the existing technique is also presented. It shown that the proposed system achieves lower energy consumption compared with the existing technique. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Network & Computer Applications is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jnca.2018.11.014
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 1
    Subjects:
      – SubjectFull: Bit allocation analysis
        Type: general
      – SubjectFull: Internet of things
        Type: general
      – SubjectFull: Bit error rate
        Type: general
      – SubjectFull: Probability theory
        Type: general
      – SubjectFull: Energy consumption
        Type: general
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      – TitleFull: Bit allocation approach of spatial modulation for multi-user scenario.
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            NameFull: Siregar, Rahmat Faddli
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            NameFull: Murti, Fahri Wisnu
      – PersonEntity:
          Name:
            NameFull: Shin, Soo Young
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          Dates:
            – D: 01
              M: 02
              Text: Feb2019
              Type: published
              Y: 2019
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              Value: 10848045
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              Value: 127
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            – TitleFull: Journal of Network & Computer Applications
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