A Vector Differential Coding for Hybrid RIS Aided Zero-Padded OTFS Systems

Lingling Zhang, Jianan Zhang, Chengkai Tang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents a vector differential encoding for the recently proposed orthogonal time frequency space (OTFS) modulation scheme applied in hybrid Reconfigurable Intelligent Surface (RIS) aided wireless communication. The basic idea is to eliminate the need to estimate the channel and simplified the symbol detection at the user equipment. The design of initial symbol vector and differential scheme result in constant modulus transmission. The maximum likelihood(ML) detector with interference cancellation is derived with low complexity. Simulation results show the the uncoded bit error ratio is below 10−2 for SNR over 18 dB with data rate 1.26Mbps, despite the strong Doppler effect caused by the high speed at 120 km/hr.

Original languageEnglish
Title of host publication18th European Conference on Antennas and Propagation, EuCAP 2024
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9788831299091
DOIs
StatePublished - 2024
Event18th European Conference on Antennas and Propagation, EuCAP 2024 - Glasgow, United Kingdom
Duration: 17 Mar 202422 Mar 2024

Publication series

Name18th European Conference on Antennas and Propagation, EuCAP 2024

Conference

Conference18th European Conference on Antennas and Propagation, EuCAP 2024
Country/TerritoryUnited Kingdom
CityGlasgow
Period17/03/2422/03/24

Keywords

  • communication
  • differential encoding
  • HRIS
  • OTFS

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