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Despite the significant attention that aerial base stations (ABSs) have received recently, their practical implementation is severely weakened by their limited endurance due to the battery constraints of drones. To overcome this fundamental…

Emerging Technologies · Computer Science 2025-11-20 Wen Shang , Yuan Liao , Vasilis Friderikos , Halim Yanikomeroglu

Providing efficient and reliable content delivery in rural areas remains a significant challenge due to the lack of communication infrastructure. To bridge the digital divide, this paper investigates the potential of leveraging multiple…

Systems and Control · Electrical Eng. & Systems 2025-05-09 Yongqiang Zhang , Mustafa A. Kishk , Mohamed-Slim Alouini

Intelligent reflecting surface (IRS) can be densely deployed in wireless networks to significantly enhance the communication channels. In this letter, we consider the downlink transmission from a multi-antenna base station (BS) to a…

Information Theory · Computer Science 2022-02-16 Weidong Mei , Rui Zhang

In this paper, we put forward a proof of concept for sixth generation (6G) Terabit infrared (IR) laser-based indoor optical wireless networks. We propose a novel double-tier access point (AP) architecture based on an array of arrays of…

Rate-Splitting Multiple Access (RSMA) is a flexible and robust multiple access scheme for downlink multi-antenna wireless networks. RSMA relies on multi-antenna Rate-Splitting (RS) at the transmitter and Successive Interference Cancellation…

Information Theory · Computer Science 2021-07-27 Onur Dizdar , Yijie Mao , Bruno Clerckx

Intelligent reflecting surface (IRS)-assisted mobile edge computing (MEC) systems have shown notable improvements in efficiency, such as reduced latency, higher data rates, and better energy efficiency. However, the resource competition…

Signal Processing · Electrical Eng. & Systems 2026-04-28 Yinyu Wu , Xuhui Zhang , Yingchao Jiao , Jinke Ren , Yanyan Shen , Bo Yang , Shuqiang Wang , Dusit Niyato

Rate-Splitting Multiple Access (RSMA) is a robust multiple access scheme for multi-antenna wireless networks. In this work, we study the performance of RSMA in downlink overloaded networks, where the number of transmit antennas is smaller…

Information Theory · Computer Science 2023-06-26 Onur Dizdar , Ata Sattarzadeh , Yi Xien Yap , Stephen Wang

Intelligent reflecting surface (IRS) has emerged as a promising technique to enhance wireless communication performance cost effectively. The existing literature has mainly considered IRS being deployed near user terminals to improve their…

Information Theory · Computer Science 2022-05-27 Yuwei Huang , Weidong Mei , Rui Zhang

An integrated access and backhaul (IAB) network architecture can enable flexible and fast deployment of next-generation cellular networks. However, mutual interference between access and backhaul links, small inter-site distance and spatial…

Signal Processing · Electrical Eng. & Systems 2019-07-29 Abdurrahman Fouda , Ahmed S. Ibrahim , Ismail Guvenc , Monisha Ghosh

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

Due to their ability to anchor into tall urban landforms, such as lampposts or street lights, robotic aerial base stations (RABSs) can create a hyper-flexible wireless multi-hop heterogeneous network to meet the forthcoming green,…

Networking and Internet Architecture · Computer Science 2025-05-16 Wen Shang , Yuan Liao , Vasilis Friderikos , Halim Yanikomeroglu

Unmanned aerial vehicle (UAV) based aerial base stations (BSs) can provide rapid communication services to ground users and are thus promising for future communication systems. In this paper, we consider a scenario where no functional…

Signal Processing · Electrical Eng. & Systems 2018-07-09 Jingcong Sun , Christos Masouros

Intelligent reflecting surface (IRS) is a new and disruptive technology to achieve spectrum- and energy-efficient as well as cost-efficient wireless networks. This paper considers an IRS-assisted downlink non-orthogonal-multiple-access…

Information Theory · Computer Science 2020-01-01 Gang Yang , Xinyue Xu , Ying-Chang Liang

This work studies the joint beamforming design problem of achieving max-min rate fairness in a satellite-terrestrial integrated network (STIN) where the satellite provides wide coverage to multibeam multicast satellite users (SUs), and the…

Information Theory · Computer Science 2021-11-30 Longfei Yin , Bruno Clerckx

Future 6G non-terrestrial networks aim to deliver ubiquitous connectivity to remote and undeserved regions, but unmanned aerial vehicle (UAV) base stations face fundamental challenges such as limited numbers and power budgets. To overcome…

Signal Processing · Electrical Eng. & Systems 2026-02-11 Arman Azizi , Mostafa Rahmani Ghourtani , Mustafa A. Kishk , Hamed Ahmadi , Arman Farhang

Aerial communication platforms, stratospheric high-altitude platform stations (HAPS), have the potential to provide/catalyze advanced mobile wireless communication services with its ubiquitous connectivity and ultra-wide coverage radius.…

Signal Processing · Electrical Eng. & Systems 2023-03-10 Sidrah Javed , Mohamed-Slim Alouini , Zhiguo Ding

WiFi's popularity has led to crowded scenarios composed of many Access Points (AP) and clients, often operating on overlapping channels, producing interference that gravely degrades performance. This misallocation of resources is often the…

Networking and Internet Architecture · Computer Science 2016-07-28 Luis Sanabria-Russo , Boris Bellalta , Nicolò Facchi , Francesco Gringoli

Enhancing user fairness in advanced multi-user systems like two-layer rate-splitting multiple access (RSMA) is a critical yet challenging task. This letter proposes a novel movable antenna (MA) approach to address this challenge. We…

Information Theory · Computer Science 2026-03-10 Ji Luo , Yaxuan Chen , Guangchi Zhang , Miao Cui , Hao Fu , Changsheng You

Rate-splitting multiple access (RSMA) has emerged as a promising technique for efficient interference management in next-generation wireless networks. While most existing studies focus on downlink and single-cell designs, the modeling and…

Information Theory · Computer Science 2025-12-25 Xinyi Guo , Li You , Qiong Liu , Xiqi Gao , Xiang-Gen Xia

Movable antenna (MA) is an emerging technology which enables a local movement of the antenna in the transmitter/receiver region for improving the channel condition and communication performance. In this paper, we study the deployment of…

Information Theory · Computer Science 2023-08-21 Zhenyu Xiao , Xiangyu Pi , Lipeng Zhu , Xiang-Gen Xia , Rui Zhang