Molecular Index Modulation With Space-Time Equalization


Gursoy M. C., Celik A., Basar E., PUSANE A. E., TUĞCU T.

IEEE WIRELESS COMMUNICATIONS LETTERS, cilt.9, sa.5, ss.702-705, 2020 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 9 Sayı: 5
  • Basım Tarihi: 2020
  • Doi Numarası: 10.1109/lwc.2020.2966611
  • Dergi Adı: IEEE WIRELESS COMMUNICATIONS LETTERS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Compendex, INSPEC
  • Sayfa Sayıları: ss.702-705
  • İstanbul Teknik Üniversitesi Adresli: Evet

Özet

Molecular multiple-input-multiple-output (MIMO) techniques are proposed in the literature to improve the overall throughput of molecular communication via diffusion (MCvD) systems. Among these methods, molecular index modulation (molecular-IM) schemes are recently introduced as novel molecular MIMO approaches to provide significant improvements in terms of communication efficiency. However, despite molecular-IM's strong combating capability against inter-symbol interference (ISI) and inter-link interference (ILI), they are still prone to them due to the characteristics of a molecular MIMO MCvD channel. With the goal of further mitigating ISI and ILI, this letter introduces memory-assisted, linear time and space-time equalization methods for molecular-IM schemes. It is shown that the proposed equalization methods yield significant improvements in error performance while retaining low decoding complexity due to the linear combining.