S-IM-OFDM: Superposed Index-Modulated OFDM for ISAC

MATLAB implementation of Superposed IM-OFDM (S-IM-OFDM) - an enhanced OFDM waveform for Integrated Sensing and Communications (ISAC).

📖 Paper Info

Title: Superposed IM-OFDM (S-IM-OFDM): An Enhanced OFDM for Integrated Sensing and Communications
Authors: Zonghui Yang, Shijian Gao, Xiang Cheng, Liuqing Yang
Journal: IEEE Transactions on Vehicular Technology
Year: 2024 | Volume: 73 | Issue: 10 | Pages: 15832-15836 | Citation:

@ARTICLE{10559944,
  author={Yang, Zonghui and Gao, Shijian and Cheng, Xiang and Yang, Liuqing},
  journal={IEEE Transactions on Vehicular Technology}, 
  title={Superposed IM-OFDM (S-IM-OFDM): An Enhanced OFDM for Integrated Sensing and Communications}, 
  year={2024},
  volume={73},
  number={10},
  pages={15832-15836},
  doi={10.1109/TVT.2024.3412213}
}

🚀 Key Features

• Dual-functional waveform for simultaneous communication and sensing
• Doppler pre-compensation using sensed parameters
• Fusion estimation for improved sensing accuracy
• Flexible power allocation between sensing and communication
• Superior performance in time-varying channels

🛠️ Quick Start

Prerequisites

• MATLAB R2021a or later

Run Simulations

% Communication performance  
BER_SIMOFDM.m;

% Sensing performance
RMSE_waveform.m;