---
title: Multi-Carrier MIMO JCAS Systems
url: https://www.emergentmind.com/topics/multi-carrier-mimo-jcas
type: topic
---

# Multi-Carrier MIMO JCAS Systems

Multi-Carrier MIMO Joint Communications and Sensing (JCAS) refers to frameworks and design methodologies in which multi-antenna (MIMO), multi-carrier (typically OFDM) systems are used simultaneously for high-rate wireless communications and active sensing (e.g., radar-like target tracking). Recent work further extends JCAS capabilities to incorporate jamming, advanced waveform optimization, cellular architectures, and flexible resource allocation strategies. The following article details the core principles, system models, optimization strategies, and performance benchmarks constituting state-of-the-art multi-carrier MIMO JCAS.

## 1. System Architectures and Operating Modes

Multi-carrier MIMO JCAS architectures are centered on a transmitter (or distributed transmitters, e.g., cell-free arrays) equipped with multiple antennas and supporting OFDM modulation over multiple subcarriers. Key operational modes include:

- **Integrated Sensing and Communication (ISAC):** A single transmitter serves user equipment (UEs) while simultaneously collecting sensing measurements (delay, Doppler, angle) via echoes of the transmitted waveforms ([240

Source: https://www.emergentmind.com/topics/multi-carrier-mimo-jcas