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This paper proposes a cognitive radio enabled LEO SatCom using RSMA radio access technique with the coexistence of GEO SatCom network. In particular, this work aims to maximize the sum rate of LEO SatCom by simultaneously optimizing the…

The main challenges of cognitive radio include spectrum sensing at the physical (PHY) layer to detect the activity of primary users and spectrum sharing at the medium access control (MAC) layer to coordinate access among coexisting…

Networking and Internet Architecture · Computer Science 2010-07-05 Jaeok Park , Mihaela van der Schaar

In the context of resource allocation in cloud-radio access networks, recent studies assume either signal-level or scheduling-level coordination. This paper, instead, considers a hybrid level of coordination for the scheduling problem in…

Information Theory · Computer Science 2015-04-08 Ahmed Douik , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Recently, Optical wireless communication (OWC) have been considered as a key element in the next generation of wireless communications due to its potential in supporting unprecedented communication speeds. In this paper, infrared lasers…

Systems and Control · Electrical Eng. & Systems 2023-01-20 Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

This paper studies cooperative spectrum sensing in cognitive radio networks where secondary users collect local energy statistics and report their findings to a secondary base station, i.e., a fusion center. First, the average error…

Information Theory · Computer Science 2015-03-20 Gang Xiong , Shalinee Kishore , Aylin Yener

As computing power is becoming the core productivity of the digital economy era, the concept of Computing and Network Convergence (CNC), under which network and computing resources can be dynamically scheduled and allocated according to…

Networking and Internet Architecture · Computer Science 2022-09-23 Aidong Yang , Mohan Wu , Boquan Cheng , Xiaozhou Ye , Ye Ouyang

This paper proposes a novel, robust, and lightweight supervised Convolutional Neural Network (CNN)-based technique for frame identification and synchronization, designed to enhance short-link communication performance in a screen-to-camera…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Vaigai Nayaki Yokar , Hoa Le-Minh , Xicong Li , Wai Lok Woo , Luis Nero Alves , Stanislav Zvanovec , Tran The Son , Zabih Ghassemlooy

Unmanned aerial vehicles (UAVs) have been widely employed to enhance the end-to-end performance of wireless communications since the links between UAVs and terrestrial nodes are line-of-sight (LoS) with high probability. However, the…

Information Theory · Computer Science 2022-04-22 Hongjiang Lei , Haosi Yang , Ki-Hong Park , Imran Shafique Ansari , Jing Jiang , Mohamed-Slim Alouini

In this paper, we conceive an advanced neutral host micro operator (NH-{\mu}O) network approach providing venues with services tailored to their specialized/specific requirements and/or local context related services that the mobile network…

Information Theory · Computer Science 2017-08-16 Mirza Golam Kibria , Gabriel Porto Villardi , Kien Nguyen , Wei-Shun Liao , Kentaro Ishizu , Fumihide Kojima

This paper investigates the resource management problem in multi-carrier rate-splitting multiple access (MC-RSMA) systems with imperfect channel state information (CSI) and successive interference cancellation (SIC) for ultra-reliable and…

Signal Processing · Electrical Eng. & Systems 2024-04-23 Xiaoyu Ou , Shuping Dang , Zhihan Ren , Angela Doufexi

We propose and analyze a dynamic implementation of the property-rights model of cognitive radio. A primary link has the possibility to lease the owned spectrum to a MAC network of secondary nodes, in exchange for cooperation in the form of…

Computer Science and Game Theory · Computer Science 2009-06-19 Cuilian Li , Zhen Yang , Jun Li , Feng Tian

Cognitive Radio (CR) networks presents a paradigm shift aiming to alleviate the spectrum scarcity problem exasperated by the increasing demand on this limited resource. It promotes dynamic spectrum access, cooperation among heterogeneous…

Applications · Statistics 2020-01-09 Bashar I Ahmad

In this paper, we examine a cognitive spectrum access scheme in which secondary users exploit the primary feedback information. We consider an overlay secondary network employing a random access scheme in which secondary users access the…

Optimization and Control · Mathematics 2012-04-10 Ahmed M. Arafa , Karim G. Seddik , Ahmed K. Sultan , Tamer ElBatt , Amr A. El-Sherif

Future wireless networks will progressively displace service provisioning towards the edge to accommodate increasing growth in traffic. This paradigm shift calls for smart policies to efficiently share network resources and ensure service…

Networking and Internet Architecture · Computer Science 2018-09-25 B. Lorenzo , A. Shams Shafigh , J. Liu , J. Gonzalez Castano , Y. Fang

Spectrum is a scarce commodity, and considering the spectrum scarcity faced by the wireless-based service providers led to high congestion levels. Technical inefficiencies from pooled spectrum (this is nothing but the "common carrier…

Networking and Internet Architecture · Computer Science 2010-06-30 Santosh Kumar Singh

Spectrum sensing (SS) in cognitive radio (CR) systems is of paramount importance to approach the capacity limits for the Secondary Users (SU), while ensuring the undisturbed transmission of Primary Users (PU). In this paper, we formulate a…

Optimization and Control · Mathematics 2013-04-01 Saeed Bagheri , Anna Scaglione

Within 3GPP, the campus network architecture has evolved as a deployment option for industries and can be provisioned using network slicing over already installed 5G public network infrastructure. In campus networks, the ultra-reliable low…

Networking and Internet Architecture · Computer Science 2025-11-20 Iulisloi Zacarias , Francisco Carpio , André Costa Drummond , Admela Jukan

Considering the spectrum sharing system (SSS) coexisting with multiple primary networks, we have employed a well-designed reconfigurable intelligent surface (RIS) to control the radio environments of wireless channels and relieve the…

Information Theory · Computer Science 2022-11-07 Zhong Tian , Zhengchuan Chen , Min Wang , Yunjian Jia , Wanli Wen

This paper studies the problem of transmitting multiple independent layered video streams over single-hop wireless networks using network coding (NC). We combine feedback-free random linear NC (RLNC) with unequal error protection (UEP) and…

Information Theory · Computer Science 2014-09-04 Mohammad Esmaeilzadeh , Neda Aboutorab

This paper investigates joint user pairing, power and time slot duration allocation in the uplink multiple-input single-output (MISO) multi-user cooperative rate-splitting multiple access (C-RSMA) networks in half-duplex (HD) mode. We…

Signal Processing · Electrical Eng. & Systems 2024-09-05 Shreya Khisa , Mohamad Elhattab , Chadi Assi , Sanaa Sharafeddine
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