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Collaborative perception, an emerging paradigm in autonomous driving, has been introduced to mitigate the limitations of single-vehicle systems, such as limited sensor range and occlusion. To improve the robustness of inter-vehicle data…

Signal Processing · Electrical Eng. & Systems 2025-11-26 Mingyi Lu , Guowei Liu , Le Liang , Chongtao Guo , Hao Ye , Shi Jin

Non-orthogonal multiple access (NOMA) is an efficient approach that can improve spectrum utilization and support massive connectivity for next-generation wireless networks. However, over a wireless channel, the superimposed NOMA signals are…

Information Theory · Computer Science 2020-10-26 Lu Lv , Hai Jiang , Zhiguo Ding , Qiang Ye , Naofal Al-Dhahir , Jian Chen

Semantic communication is a novel communication paradigm that focuses on recognizing and delivering the desired meaning of messages to the destination users. Most existing works in this area focus on delivering explicit semantics, labels or…

Machine Learning · Computer Science 2023-01-30 Zhimin Lu , Yong Xiao , Zijian Sun , Yingyu Li , Guangming Shi , Xianfu Chen , Mehdi Bennis , H. Vincent Poor

In this work, we study the use of non-orthogonal multiple access (NOMA) and orthogonal time frequency space (OTFS) modulation in a multiple-input multiple-output (MIMO) communication network where mobile users (MUs) with different mobility…

Signal Processing · Electrical Eng. & Systems 2024-06-28 Wafa Hedhly , Leila Musavian , Nikolaos Thomos

This paper advocates a pair of strategies in non-orthogonal multiple access (NOMA) in unmanned aerial vehicles (UAVs) communications, where multiple UAVs play as new aerial communications platforms for serving terrestrial NOMA users. A new…

Information Theory · Computer Science 2019-07-12 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen

Non-orthogonal multiple access (NOMA) is a potential enabler for the development of 5G and beyond wireless networks. By allowing multiple users to share the same time and frequency, NOMA can scale up the number of served users, increase the…

Information Theory · Computer Science 2017-04-14 Wonjae Shin , Mojtaba Vaezi , Byungju Lee , David J. Love , Jungwoo Lee , H. Vincent Poor

Different from data-oriented communication systems that primarily focus on how to accurately transmit every bit of data, task-oriented semantic communication systems only transmit the specific semantic information required by downstream…

Information Theory · Computer Science 2024-10-10 Wenbo Yu , Bin Chen , Qinshan Zhang , Shu-Tao Xia

Semantic communication, an intelligent communication paradigm that aims to transmit useful information in the semantic domain, is facilitated by deep learning techniques. Robust semantic features can be learned and transmitted in an analog…

Signal Processing · Electrical Eng. & Systems 2024-01-05 Lei Guo , Wei Chen , Yuxuan Sun , Bo Ai

An improved mean squared error (MSE) minimization solution based on eigenvector decomposition approach is conceived for wideband non-orthogonal multiple-access based computation over multi-access channel (NOMA-CoMAC) framework. This work…

Signal Processing · Electrical Eng. & Systems 2022-01-04 Michel Kulhandjian , Gunes Karabulut Kurt , Hovannes Kulhandjian , Halim Yanikomeroglu , Claude D'Amours

Non-orthogonal multiple access (NOMA) is a promising radio access technique for next-generation wireless networks. In this article, we investigate the NOMA-based cooperative relay network. We begin with an introduction of the existing…

Information Theory · Computer Science 2018-01-16 Dehuan Wan , Miaowen Wen , Fei Ji , Hua Yu , Fangjiong Chen

This paper considers the coexistence of two important communication techniques, non-orthogonal multiple access (NOMA) and mobile edge computing (MEC). Both NOMA uplink and downlink transmissions are applied to MEC, and analytical results…

Information Theory · Computer Science 2018-04-19 Zhiguo Ding , Pingzhi Fan , H. Vincent Poor

Ensuring secure and efficient multi-user (MU) transmission is critical for vehicular communication systems. Chaos-based modulation schemes have garnered considerable interest due to their benefits in physical layer security. However, most…

Information Theory · Computer Science 2025-10-30 Tingting Huang , Jundong Chen , Huanqiang Zeng , Guofa Cai , Georges Kaddoum

Next-generation multiple access (NGMA) serves as an umbrella term for transmission schemes distinct from conventional orthogonal methods. A key candidate of NGMA, non-orthogonal multiple access (NOMA), emerges as a solution to enhance…

Information Theory · Computer Science 2024-10-02 Hamid Jafarkhani , Hossein Maleki , Mojtaba Vaezi

Non-orthogonal multiple access (NOMA) is an essential enabling technology for the fifth generation (5G) wireless networks to meet the heterogeneous demands on low latency, high reliability, massive connectivity, improved fairness, and high…

Information Theory · Computer Science 2017-06-19 Zhiguo Ding , Xianfu Lei , George K. Karagiannidis , Robert Schober , Jihong Yuan , Vijay Bhargava

As the latest member of the multiple access family, non-orthogonal multiple access (NOMA) has been recently proposed for 3GPP Long Term Evolution (LTE) and envisioned to be an essential component of 5th generation (5G) mobile networks. The…

Information Theory · Computer Science 2016-11-01 Zhiguo Ding , Yuanwei Liu , Jinho Choi , Qi Sun , Maged Elkashlan , Chih-Lin I , H. Vincent Poor

In this letter, we propose a non-orthogonal multiple access (NOMA) based scheme for multi-cell indoor visible light communications (VLC), where cell-edge user is jointly served by multiple cells. Unlike the typical designs in the existing…

Information Theory · Computer Science 2021-06-14 T. Uday , Abhinav Kumar , L. Natarajan

To cope with the unprecedented surge in demand for data computing for the applications, the promising concept of multi-access edge computing (MEC) has been proposed to enable the network edges to provide closer data processing for mobile…

Information Theory · Computer Science 2020-08-14 Qiqi Ren , Jian Chen , Omid Abbasi , Gunes Karabulut Kurt , Halim Yanikomeroglu , F. Richard Yu

Semantic communication (SC) is recognized as a promising approach for enabling reliable communication with minimal data transfer while maintaining seamless connectivity for a group of wireless users. Unlocking the advantages of SC for…

Information Theory · Computer Science 2024-06-24 Nitisha Singh , Christo Kurisummoottil Thomas , Walid Saad , Emilio Calvanese Strinati

With the booming development of generative artificial intelligence (GAI), semantic communication (SemCom) has emerged as a new paradigm for reliable and efficient communication. This paper considers a multi-user downlink SemCom system,…

Networking and Internet Architecture · Computer Science 2025-07-03 Jiayi Lu , Wanting Yang , Zehui Xiong , Rahim Tafazolli , Tony Q. S. Quek , Mérouane Debbah , Dong In Kim

Orthogonal time frequency space (OTFS) is being pursued in recent times as a suitable wireless transmission technology for use in high mobility scenarios. In this work, we propose nonorthogonal multiple acess (NOMA) based OTFS which may be…

Information Theory · Computer Science 2021-04-07 Aritra Chatterjee , Vivek Rangamgari , Shashank Tiwari , Suvra Sekhar Das