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In this paper, the energy efficient design for probabilistic semantic communication (PSC) system with rate splitting multiple access (RSMA) is investigated. Basic principles are first reviewed to show how the PSC system works to extract,…

Information Theory · Computer Science 2024-04-02 Ruopeng Xu , Zhaohui Yang , Zhouxiang Zhao , Qianqian Yang , Zhaoyang Zhang

In this paper, the problem of joint transmission and computation resource allocation for a multi-user probabilistic semantic communication (PSC) network is investigated. In the considered model, users employ semantic information extraction…

Information Theory · Computer Science 2025-04-09 Zhouxiang Zhao , Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , H. Vincent Poor

In this paper, we delve into the challenge of optimizing joint communication and computation for semantic communication over wireless networks using a probability graph framework. In the considered model, the base station (BS) extracts the…

Information Theory · Computer Science 2025-04-09 Zhouxiang Zhao , Zhaohui Yang , Xu Gan , Quoc-Viet Pham , Chongwen Huang , Wei Xu , Zhaoyang Zhang

In this paper, we propose a multi-user green semantic communication system facilitated by a probabilistic knowledge graph (PKG). By integrating probability into the knowledge graph, we enable probabilistic semantic communication (PSC) and…

Emerging Technologies · Computer Science 2024-08-22 Ruopeng Xu , Zhaohui Yang , Yijie Mao , Chongwen Huang , Qianqian Yang , Lexi Xu , Wei Xu , Zhaoyang Zhang

In this paper, we present a probability graph-based semantic information compression system for scenarios where the base station (BS) and the user share common background knowledge. We employ probability graphs to represent the shared…

Information Theory · Computer Science 2025-04-09 Zhouxiang Zhao , Zhaohui Yang , Quoc-Viet Pham , Qianqian Yang , Zhaoyang Zhang

In this paper, the problem of wireless resource allocation and semantic information extraction for energy efficient semantic communications over wireless networks with rate splitting is investigated. In the considered model, a base station…

Information Theory · Computer Science 2023-01-06 Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , Chongwen Huang

In this paper, the problem of minimum rate maximization for probabilistic semantic communication (PSCom) in industrial Internet of Things (IIoT) is investigated. In the considered model, users employ semantic information extraction…

Information Theory · Computer Science 2024-07-09 Siyun Liang , Zhouxiang Zhao , Chen Zhu , Zhaohui Yang , Yinchao Yang , Mohammad Shikh-Bahaei , Zhaoyang Zhang

In this paper, the sum-rate maximization problem is studied for wireless networks that use downlink rate splitting multiple access (RSMA). In the considered model, each base station (BS) divides the messages that must be transmitted to its…

Signal Processing · Electrical Eng. & Systems 2019-03-20 Zhaohui Yang , Mingzhe Chen , Walid Saad , Mohammad Shikh-Bahaei

Rate Splitting Multiple Access (RSMA) has recently emerged as a promising technique to enhance the transmission rate for multiple access networks. Unlike conventional multiple access schemes, RSMA requires splitting and transmitting…

Information Theory · Computer Science 2022-04-01 Nguyen Quang Hieu , Dinh Thai Hoang , Dusit Niyato , Diep N. Nguyen , Dong In Kim , Abbas Jamalipour

In this paper, the problem of spectral-efficient communication and computation resource allocation for distributed reconfigurable intelligent surfaces (RISs) assisted probabilistic semantic communication (PSC) in industrial…

Information Theory · Computer Science 2025-04-09 Zhouxiang Zhao , Zhaohui Yang , Chongwen Huang , Li Wei , Qianqian Yang , Caijun Zhong , Wei Xu , Zhaoyang Zhang

Visible light communication (VLC) is emerging as a key technology for future wireless communication systems due to its unique physical-layer advantages over traditional radio-frequency (RF)-based systems. However, its integration with…

Information Theory · Computer Science 2026-01-22 Zhouxiang Zhao , Zhaohui Yang , Chen Zhu , Xin Tong , Zhaoyang Zhang

With the increasing number of wireless communication systems and the demand for bandwidth, the wireless medium has become a congested and contested environment. Operating under such an environment brings several challenges, especially for…

Information Theory · Computer Science 2022-02-17 Onur Dizdar , Bruno Clerckx

Semantic communication emphasizes the transmission of meaning rather than raw symbols. It offers a promising solution to alleviate network congestion and improve transmission efficiency. In this paper, we propose a wireless image…

Signal Processing · Electrical Eng. & Systems 2025-07-17 Chen Zhu , Siyun Liang , Zhouxiang Zhao , Jianrong Bao , Zhaohui Yang , Zhaoyang Zhang , Dusit Niyato

In this paper, the problem of maximizing the wireless users' sum-rate for uplink rate splitting multiple access (RSMA) communications is studied. In the considered model, each user transmits a superposition of two messages to a base station…

Information Theory · Computer Science 2019-06-11 Zhaohui Yang , Mingzhe Chen , Walid Saad , Wei Xu , Mohammad Shikh-Bahaei

An integrated sensing and backscatter communication (ISABC) system is introduced herein. This system features a full-duplex (FD) base station (BS) that seamlessly merges sensing with backscatter communication and supports multiple users.…

Signal Processing · Electrical Eng. & Systems 2025-01-30 Diluka Galappaththige , Shayan Zargari , Chintha Tellambura , Geoffrey Ye Li

Space-air-ground integrated networks (SAGINs) are emerging as a pivotal element in the evolution of future wireless networks. Despite their potential, the joint design of communication and computation within SAGINs remains a formidable…

Information Theory · Computer Science 2024-07-08 Zhouxiang Zhao , Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , Wei Xu , Kaibin Huang

This work presents a novel semantic transmission framework in wireless networks, leveraging the joint processing technique. Our framework enables multiple cooperating base stations to efficiently transmit semantic information to multiple…

Information Theory · Computer Science 2024-01-03 Xumin Pu , Tiantian Lei , Wanli Wen , Qianbin Chen

In the sixth generation (6G) of cellular networks, the demands for capacity and connectivity will increase dramatically to meet the requirements of emerging services for both humans and machines. Semantic communication has shown great…

Information Theory · Computer Science 2024-09-17 Yuanwen Liu , Bruno Clerckx

In this paper, we investigate rate splitting multiple access (RSMA) aided mobile edge computing (MEC) in a cognitive radio network. We propose a RSMA scheme that enables the secondary user to offload tasks to the MEC server utilizing…

Information Theory · Computer Science 2022-04-14 Hongwu Liu , Yinghui Ye , Zhiquan Bai , Kyeong Jin Kim , Theodoros A. Tsiftsis

Rate-splitting multiple access (RSMA), relying on linearly precoded rate-splitting (RS) at the transmitter and successive interference cancellation (SIC) at the receivers has emerged as a powerful and flexible multiple access strategy for…

Information Theory · Computer Science 2021-04-02 Longfei Yin , Onur Dizdar , Bruno Clerckx
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