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Vertical heterogeneous networks (vHetNets) are promising architectures to bring significant advantages for 6G and beyond mobile communications. High altitude platform station (HAPS), one of the nodes in the vHetNets, can be considered as a…

Systems and Control · Electrical Eng. & Systems 2023-10-02 Afsoon Alidadi Shamsabadi , Animesh Yadav , Omid Abbasi , Halim Yanikomeroglu

Recently, interest on the utilization of unmanned aerial vehicles (UAVs) has aroused. Specifically, UAVs can be used in cellular networks as aerial users for delivery, surveillance, rescue search, or as an aerial base station (aBS) for…

Signal Processing · Electrical Eng. & Systems 2020-10-20 Wael Jaafar , Shimaa Naser , Sami Muhaidat , Paschalis C. Sofotasios , Halim Yanikomeroglu

The rapidly evolving communication landscape, with the advent of 6G technology, brings new challenges to the design and operation of wireless networks. One of the key concerns is the energy efficiency of the Radio Access Network (RAN), as…

Networking and Internet Architecture · Computer Science 2023-07-04 Tailai Song , David Lopez , Michela Meo , Nicola Piovesan , Daniela Renga

In this correspondence, we propose hierarchical high-altitude platform (HAP)-low-altitude platform (LAP) networks with the aim of maximizing the sum-rate of ground user equipments (UEs). The multiple aerial radio units (RUs) mounted on HAPs…

Systems and Control · Electrical Eng. & Systems 2023-12-08 Jeongbin Kim , Seongah Jeong , Seonghoon Yoo , Woong Son , Joonhyuk Kang

The evolvement of wireless communication services concurs with significant growth in data traffic, thereby inflicting stringent requirements on terrestrial networks. This work invigorates a novel connectivity solution that integrates aerial…

Signal Processing · Electrical Eng. & Systems 2022-12-06 Rawan Alghamdi , Hayssam Dahrouj , Tareq Al-Naffouri , Mohamed-Slim Alouini

Integrated space-air-ground networks promise to offer a valuable solution space for empowering the sixth generation of communication networks (6G), particularly in the context of connecting the unconnected and ultraconnecting the connected.…

Artificial Intelligence · Computer Science 2022-12-20 Hayssam Dahrouj , Shasha Liu , Mohamed-Slim Alouini

Future wireless networks, in particular, 5G and beyond, are anticipated to deploy dense Low Earth Orbit (LEO) satellites to provide global coverage and broadband connectivity. However, the limited frequency band and the coexistence of…

Information Theory · Computer Science 2024-05-03 Yunnuo Xu , Longfei Yin , Yijie Mao , Wonjae Shin , Bruno Clerckx

Use of aerial base stations (ABSs) is a promising approach to enhance the agility and flexibility of future wireless networks. ABSs can improve the coverage and/or capacity of a network by moving supply towards demand. Deploying ABSs in a…

Networking and Internet Architecture · Computer Science 2020-09-09 Elham Kalantari , Halim Yanikomeroglu , Abbas Yongacoglu

In this paper, we present a novel hemispherical antenna array (HAA) designed for high-altitude platform stations (HAPS). A significant limitation of traditional rectangular antenna arrays for HAPS is that their antenna elements are oriented…

Information Theory · Computer Science 2024-09-06 Omid Abbasi , Halim Yanikomeroglu , Georges Kaddoum

Rate-splitting multiple access (RSMA) has been recognized as a promising physical layer strategy for 6G. Motivated by ever increasing popularity of cache-enabled content delivery in wireless communications, this paper proposes an innovative…

Information Theory · Computer Science 2022-04-26 Robert-Jeron Reifert , Alaa Alameer Ahmad , Yijie Mao , Aydin Sezgin , Bruno Clerckx

Achieving seamless global coverage is one of the ultimate goals of space-air-ground integrated network, as a part of which High Altitude Platform (HAP) network can provide wide-area coverage. However, deploying a large number of HAPs will…

Information Theory · Computer Science 2023-06-09 Zhiqing Wei , Lin Wang , Zhan Gao , Huici Wu , Ning Zhang , Kaifeng Han , Zhiyong Feng

Cloud radio access networks (C-RAN) enable a network platform for beyond the fifth generation of communication networks (B5G), which incorporates the advances in cloud computing technologies to modern radio access networks. Recently, rate…

Information Theory · Computer Science 2020-11-03 Alaa Alameer Ahmad , Yijie Mao , Aydin Sezgin , Bruno Clerckx

Supporting immense throughput and ubiquitous connectivity holds paramount importance for future wireless networks. To this end, this letter focuses on how the spatial beams configured for legacy near-field (NF) users can be leveraged to…

Information Theory · Computer Science 2024-12-03 Jiasi Zhou , Cong Zhou , Yijie Mao , Chintha Tellambura

This magazine investigates the potential enhancement of the data throughput of ground users by integrating ground base stations (GBS) with air stations, such as balloon, airborne, and satellite. The objective is to establish dynamic…

Systems and Control · Electrical Eng. & Systems 2021-11-16 Ahmad Alsharoa , Mohamed-Slim Alouini

Beam hopping (BH) and carrier aggregation (CA) are two promising technologies for the next generation satellite communication systems to achieve several orders of magnitude increase in system capacity and to significantly improve the…

Signal Processing · Electrical Eng. & Systems 2023-05-30 Mirza Golam Kibria , Hayder Al-Hraishawi , Eva Lagunas , Symeon Chatzinotas , Björn Ottersten

Optical wireless communication (OWC) is a promising technology that has the potential to provide Tb/s aggregate rates. In this paper, interference management is studied in a Laser-based optical wireless network where vertical-cavity…

Information Theory · Computer Science 2021-11-16 Khulood Alazwary , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

The impact of information and communication technologies on global energy consumption is increasing every year, and mobile networks account for a significant portion of it. More than 50% of the total energy consumption of mobile networks is…

Networking and Internet Architecture · Computer Science 2023-02-27 Cihan Emre Kement , Ferdi Kara , Wael Jaafar , Halim Yanikomeroglu , Gamini Senarath , Ngoc Dung Dao , Peiying Zhu

The envisioned wireless networks of the future entail the provisioning of massive numbers of connections, heterogeneous data traffic, ultra-high spectral efficiency, and low latency services. This vision is spurring research activities…

Networking and Internet Architecture · Computer Science 2023-09-13 Xuelin Cao , Bo Yang , Chongwen Huang , George C. Alexandropoulos , Chau Yuen , Zhu Han , H. Vincent Poor , Lajos Hanzo

The recent development of high-altitude platforms (HAPs) has attracted increasing attention since they can serve as a promising communication method to assist satellite-terrestrial networks. In this paper, we consider an integrated…

Signal Processing · Electrical Eng. & Systems 2021-07-07 Wenwei Zhang , Ruoqi Deng , Boya Di , Lingyang Song

This paper investigates intelligent reflecting surface (IRS)-aided multi-antenna wireless powered communications in a multi-link interference channel, where multiple IRSs are deployed to enhance the downlink/uplink communications between…

Information Theory · Computer Science 2024-07-31 Ying Gao , Qingqing Wu , Wen Chen