【综述一览】Integrated Sensing and Communication Signals Toward 5G-A and 6G: A Survey

I. INTRODUCTION

1) ISAC Signal Design

2) ISAC Signal Processing

3) ISAC Signal Optimization

II. ISAC SIGNAL DESIGN

A. Performance Metrics of ISAC Signals

B. ISAC Signal Based on OFDM

C. ISAC Signal Combining OFDM and LFM

D. ISAC Signal Combining OFDM and Phase Coding

E. ISAC Signal Combining OFDM and Spread Spectrum

F. ISAC Signals Using the Candidate Signals of 5G-A/6G

III. ISAC SIGNAL PROCESSING

A. Performance Metrics of ISAC Signal Processing

B. Channel Information Matrix Method

C. Spectrum Lines Estimator Method

D. Super-Resolution Method

E. Signal Processing for OFDM-Based ISAC Signals

F. Signal Processing for OTFS-Based ISAC Signals

IV. ISAC SIGNAL OPTIMIZATION

A. PAPR Optimization

2) Probability Method

3) Tone Reservation

B. Interference Management

C. Adaptive Signal Optimization

V. F UTURE TRENDS

A. ISAC Signal Design

B. ISAC Signal Processing

C. ISAC Signal Optimization