WiFo-MiSAC: A Wireless Foundation Model for Multimodal Sensing and Communication Integration via Synesthesia of Machines (SoM)

Fuente: arXiv
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Main Authors: Liu, Xuanyu, Gao, Shijian, Liu, Boxun, Cheng, Xiang, Yang, Liuqing
Format: Preprint
Published: 2026
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_version_ 1866910148813914112
author Liu, Xuanyu
Gao, Shijian
Liu, Boxun
Cheng, Xiang
Yang, Liuqing
author_facet Liu, Xuanyu
Gao, Shijian
Liu, Boxun
Cheng, Xiang
Yang, Liuqing
contents Current learning-based wireless methods struggle with generalization due to the fragmented processing of communication and sensing data. WiFo-MiSAC addresses this as a task-agnostic foundation model that tokenizes heterogeneous signals into a unified space for self-supervised pre-training. A shared-specific disentangled mixture-of-experts (SS-DMoE) architecture is employed to decouple modality-shared and modality-specific representations, facilitating interaction without cross-modal interference. By combining masked reconstruction with contrastive alignment, the model achieves state-of-the-art performance across downstream tasks, including beam prediction and channel estimation. Experimental results demonstrate robust few-shot adaptation and seamless integration of new modalities, positioning WiFo-MiSAC as a scalable backbone for future integrated sensing and communication systems.
format Preprint
id arxiv_https___arxiv_org_abs_2604_18255
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle WiFo-MiSAC: A Wireless Foundation Model for Multimodal Sensing and Communication Integration via Synesthesia of Machines (SoM)
Liu, Xuanyu
Gao, Shijian
Liu, Boxun
Cheng, Xiang
Yang, Liuqing
Signal Processing
Current learning-based wireless methods struggle with generalization due to the fragmented processing of communication and sensing data. WiFo-MiSAC addresses this as a task-agnostic foundation model that tokenizes heterogeneous signals into a unified space for self-supervised pre-training. A shared-specific disentangled mixture-of-experts (SS-DMoE) architecture is employed to decouple modality-shared and modality-specific representations, facilitating interaction without cross-modal interference. By combining masked reconstruction with contrastive alignment, the model achieves state-of-the-art performance across downstream tasks, including beam prediction and channel estimation. Experimental results demonstrate robust few-shot adaptation and seamless integration of new modalities, positioning WiFo-MiSAC as a scalable backbone for future integrated sensing and communication systems.
title WiFo-MiSAC: A Wireless Foundation Model for Multimodal Sensing and Communication Integration via Synesthesia of Machines (SoM)
topic Signal Processing
url https://arxiv.org/abs/2604.18255