Enhanced Molecular Type Permutation Shift Keying for Molecular Communication

作者：Tang, Yuankun; Ji, Fei; Wen, Miaowen^*; Wang, Qianqian; Yang, Lie-Liang

来源：IEEE Wireless Communications Letters, 2021, 10(12): 2722-2726.

DOI：10.1109/LWC.2021.3113507

• Receivers
• Modulation
• Transmitters
• Molecular communication (telecommunication)
• Wireless communication
• Interference
• Entropy
• Molecular communication
• inter-symbol interference
• modulation
• achievable rate

Molecular type permutation shift keying (MTPSK) performs information transmission by the full permutations of different molecular types, which can combat the severe inter-symbol interference (ISI) in molecular communications. This letter proves that the achievable rate (AR) of MTPSK is restricted by its modulation principle and as a remedy proposes an enhanced (E-)MTPSK to improve the AR by conveying information through the permutations of partial molecular types. The exact and approximate ARs are derived for E-MTPSK, MTPSK, and molecular shift keying. Numerical results on ARs and bit error rates reveal the trade-off between the AR and ISI-mitigation capability, and that the proposed scheme can outperform the prevalent modulation counterparts.

• 单位
  1