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In this letter, we investigate a joint power and beamforming design problem for rate-splitting multiple access (RSMA)-based aerial communications with energy harvesting, where a self-sustainable aerial base station serves multiple users by…

Information Theory · Computer Science 2023-06-23 Jaehyup Seong , Mesut Toka , Wonjae Shin

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

Interference mitigation techniques are essential for improving the performance of interference limited wireless networks. In this paper, we introduce novel interference mitigation schemes for wireless cellular networks with space division…

Information Theory · Computer Science 2014-08-18 Martin Kasparick , Gerhard Wunder

Carrier sensing multiple access/collision avoidance (CSMA/CA) is the backbone MAC protocol for IEEE 802.11 networks. However, tuning the binary exponential back-off (BEB) mechanism of CSMA/CA in user-dense scenarios so as to maximize…

Networking and Internet Architecture · Computer Science 2021-02-16 Lyutianyang Zhang , Hao Yin , Zhanke Zhou , Sumit Roy , Yaping Sun

This letter presents a flexible rate-splitting multiple access (RSMA) framework for near-field (NF) integrated sensing and communications (ISAC). The spatial beams configured to meet the communication rate requirements of NF users are…

Information Theory · Computer Science 2024-12-03 Jiasi Zhou , Cong Zhou , Cheng Zeng , Chintha Tellambura

Interference continues to be a key limiting factor in cellular radio access network (RAN) deployments. Effective, data-driven, self-adapting radio resource management (RRM) solutions are essential for tackling interference, and thus…

Signal Processing · Electrical Eng. & Systems 2022-04-22 Mahdi Eskandari , Shipra Kapoor , Keith Briggs , Arman Shojaeifard , Huiling Zhu , Alain Mourad

This study investigates a downlink rate-splitting multiple access (RSMA) scenario in which multiple base stations (BSs), employing a coordinated multi-point (CoMP) transmission scheme, serve users equipped with movable antenna (MA)…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Ali Amhaz , Shreya Khisa , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

This paper investigates the use of deep reinforcement learning (DRL) in a MAC protocol for heterogeneous wireless networking referred to as Deep-reinforcement Learning Multiple Access (DLMA). The thrust of this work is partially inspired by…

Networking and Internet Architecture · Computer Science 2018-07-17 Yiding Yu , Taotao Wang , Soung Chang Liew

We propose a mechanism for distributed resource management and interference mitigation in wireless networks using multi-agent deep reinforcement learning (RL). We equip each transmitter in the network with a deep RL agent that receives…

Machine Learning · Computer Science 2021-01-12 Navid Naderializadeh , Jaroslaw Sydir , Meryem Simsek , Hosein Nikopour

High-mobility scenarios are becoming increasingly critical in next-generation communication systems. While multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) stands as a prominent technology, its…

Signal Processing · Electrical Eng. & Systems 2025-12-22 Hengyu Zhang , Xuehan Wang , Xu Shi , Jintao Wang , Zhaohui Yang

While the robustness of rate-splitting multiple access (RSMA) to imperfect channel state information (CSI) is well-documented, its susceptibility to attacks launched with malicious reconfigurable intelligent surfaces (RISs) remains…

Signal Processing · Electrical Eng. & Systems 2024-08-26 A. S. de Sena , A. Gomes , J. Kibiłda , N. H. Mahmood , L. A. DaSilva , M. Latva-aho

Unmanned aerial vehicles (UAVs) with multiple antennas have recently been explored to improve capacity in wireless networks. However, the strict energy constraint of UAVs, given their simultaneous flying and communication tasks, renders the…

Signal Processing · Electrical Eng. & Systems 2024-05-21 Hosein Zarini , Maryam Farajzadeh Dehkordi , Armin Farhadi , Mohammad Robat Mili , Ali Movaghar , Mehdi Rasti , Yonghui Li , Kai-Kit Wong

Interference among concurrent transmissions in a wireless network is a key factor limiting the system performance. One way to alleviate this problem is to manage the radio resources in order to maximize either the average or the worst-case…

Machine Learning · Computer Science 2019-06-24 Navid Naderializadeh , Jaroslaw Sydir , Meryem Simsek , Hosein Nikopour , Shilpa Talwar

Rate-splitting multiple access (RSMA) and reconfigurable intelligent surface (RIS) have been both recognized as promising techniques for 6G. The benefits of combining the two techniques to enhance the spectral and energy efficiency have…

Signal Processing · Electrical Eng. & Systems 2023-01-16 Chengzhong Tian , Yijie Mao , Kangchun Zhao , Yuanming Shi , Bruno Clerckx

Rate-Splitting Multiple Access (RSMA) has been recognized as a promising multiple access technique for future wireless communication systems. Recent research demonstrates that RSMA can maintain its superiority without relying on Successive…

Information Theory · Computer Science 2025-07-16 Sibo Zhang , Bruno Clerckx , David Vargas

Dynamic spectrum access (DSA) is regarded as an effective and efficient technology to share radio spectrum among different networks. As a secondary user (SU), a DSA device will face two critical problems: avoiding causing harmful…

Machine Learning · Computer Science 2018-10-30 Hao-Hsuan Chang , Hao Song , Yang Yi , Jianzhong Zhang , Haibo He , Lingjia Liu

The problem of resource constrained scheduling in a dynamic and heterogeneous wireless setting is considered here. In our setup, the available limited bandwidth resources are allocated in order to serve randomly arriving service demands,…

Machine Learning · Computer Science 2022-04-01 Apostolos Avranas , Marios Kountouris , Philippe Ciblat

This paper presents a novel deep reinforcement learning-based resource allocation technique for the multi-agent environment presented by a cognitive radio network that coexists through underlay dynamic spectrum access (DSA) with a primary…

Networking and Internet Architecture · Computer Science 2020-03-09 Ankita Tondwalkar , Dr Andres Kwasinski

The polarization domain provides an extra degree of freedom (DoF) for improving the performance of multiple-input multiple-output (MIMO) systems. This paper takes advantage of this additional DoF to alleviate practical issues of successive…

Inefficient traffic control may cause numerous problems such as traffic congestion and energy waste. This paper proposes a novel multi-agent reinforcement learning method, named KS-DDPG (Knowledge Sharing Deep Deterministic Policy Gradient)…

Artificial Intelligence · Computer Science 2021-07-14 Zhenning Li , Hao Yu , Guohui Zhang , Shangjia Dong , Cheng-Zhong Xu
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