Space shift keying for multi-hop multi-branch networks

Ferhat Yarkin*, Ibrahim Altunbas, Ertugrul Basar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

In this paper, we propose two different multi-hop multiple-input multiple-output (MIMO) space shift keying (SSK) schemes and investigate their error performance. In the first scheme, we consider a multi-hop multi-branch SSK system, in which the source and destination are equipped with multiple transmit and receive antennas, respectively. In this scheme, SSK is applied by using the source transmit antennas. Moreover, in each branch, single-antenna relays are used to amplify the transmitted signal from the source and forward it to the next relay until it reaches to the destination. In the second scheme, we consider a multi-hop MIMO-SSK system with path selection. In this scheme, the best path is selected among multiple branches and a multiple-antenna source communicates with a multiple-antenna destination via the relays of the selected path. Each relay is equipped with multiple transmit and receive antennas. Moreover, the source and all relays employ SSK modulation to transmit information bits and each relay in each path follows the decode-and-forward protocol. Approximate theoretical error probability expressions are derived for both schemes. Furthermore, an asymptotic symbol error probability performance analysis is also performed for the multi-hop MIMO-SSK system with path selection. It is shown that the proposed multi-hop SSK systems outperform conventional multi-hop M-PSK systems in terms of the error performance for especially high data rates and sufficient number of receive antennas at the receiving nodes.

Original languageEnglish
Pages (from-to)161-169
Number of pages9
JournalPhysical Communication
Volume27
DOIs
Publication statusPublished - Apr 2018

Bibliographical note

Publisher Copyright:
© 2018 Elsevier B.V.

Funding

The work of E. Basar was supported by the Turkish Academy of Sciences Outstanding Young Scientist Award Programme ( TUBA-GEBIP ). This work was supported by the Scientific and Technological Research Council of Turkey (TUBITAK) under Grant no. 114E607 .

FundersFunder number
TUBA-GEBIP
TUBITAK
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu114E607
Türkiye Bilimler Akademisi

    Keywords

    • Amplify-and-forward
    • Cooperative networks
    • Decode-and-forward
    • Index modulation
    • Multi-hop relaying
    • Space shift keying

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