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In this paper, we design a novel scheduling and resource allocation algorithm for a smart mobile edge computing (MEC) assisted radio access network. Different from previous energy efficiency (EE) based or the average age of information…

Signal Processing · Electrical Eng. & Systems 2020-11-03 Abolfazl Zakeri , Mohammad Parvini , Mohammad Reza Javan , Nader Mokari , Eduard A Jorswieck

In this paper, we investigate the joint resource allocation and antenna selection algorithm design for uplink orthogonal frequency division multiple access (OFDMA) communication system. We propose a multi-objective optimization framework to…

Information Theory · Computer Science 2020-06-24 Ata Khalili , Derrick Wing Kwan Ng

5G and beyond wireless networks are the upcoming evolution for the current cellular networks to provide the essential requirement of future demands such as high data rate, low energy consumption, and low latency to provide seamless…

Signal Processing · Electrical Eng. & Systems 2020-09-16 Nazanin Moosavi , Mahnaz Sinaie , Paeiz Azmi , Pin-Hsun Lin , Eduard Jorswieck

In this paper, we investigate the resource allocation algorithm design for multicarrier non-orthogonal multiple access (MC-NOMA) systems. The proposed algorithm is obtained from the solution of a non-convex optimization problem for the…

Information Theory · Computer Science 2016-03-29 Yan Sun , Derrick Wing Kwan Ng , Zhiguo Ding , Robert Schober

6G wireless networks will require the flexibility to accommodate an extremely diverse set of service types. This necessitates the use of mixed numerologies to accommodate different quality of service (QoS) requirements. Non-orthogonal…

Signal Processing · Electrical Eng. & Systems 2021-02-02 Stephen McWade , Mark F. Flanagan , Juquan Mao , Lei Zhang , Arman Farhang

Energy-efficient computation is an inevitable trend for mobile edge computing (MEC) networks. Resource allocation strategies for maximizing the computation efficiency are critically important. In this paper, computation efficiency…

Signal Processing · Electrical Eng. & Systems 2020-02-12 Fuhui Zhou , Rose Qingyang Hu

This paper studies a multiuser mobile edge computing (MEC) system, in which one base station (BS) serves multiple users with intensive computation tasks. We exploit the multi-antenna non-orthogonal multiple access (NOMA) technique for…

Information Theory · Computer Science 2018-09-11 Feng Wang , Jie Xu , Zhiguo Ding

In this paper, we study the power-efficient resource allocation for multicarrier non-orthogonal multiple access (MC-NOMA) systems. The resource allocation algorithm design is formulated as a non-convex optimization problem which takes into…

Information Theory · Computer Science 2016-07-06 Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan

Mobile edge computing (MEC) is an emerging paradigm that mobile devices can offload the computation-intensive or latency-critical tasks to the nearby MEC servers, so as to save energy and extend battery life. Unlike the cloud server, MEC…

Information Theory · Computer Science 2018-03-21 Kang Cheng , Yinglei Teng , Weiqi Sun , An Liu , Xianbin Wang

This study introduces a resource allocation framework for integrated satellite-terrestrial networks to address these challenges. The framework leverages local cache pool deployments and non-orthogonal multiple access (NOMA) to reduce time…

Non-orthogonal multiple access (NOMA) is considered as a promising technology for improving the spectral efficiency (SE) in 5G. In this correspondence, we study the benefit of NOMA in enhancing energy efficiency (EE) for a multi-user…

Information Theory · Computer Science 2016-06-09 Yi Zhang , Hui-Ming Wang , Tong-Xing Zheng , Qian Yang

In this paper, we study the performance of non-orthogonal multiple access (NOMA) schemes in wireless powered communication networks (WPCN) focusing on the system energy efficiency (EE). We consider multiple energy harvesting user equipments…

Information Theory · Computer Science 2018-06-19 Tewodros A. Zewde , M. Cenk Gursoy

With the fast development of Internet of things (IoT), the fifth generation (5G) wireless networks need to provide massive connectivity of IoT devices and meet the demand for low latency. To satisfy these requirements, Non-Orthogonal…

Networking and Internet Architecture · Computer Science 2018-02-07 Abbas Kiani , Nirwan Ansari

This paper investigates a new downlink nonorthogonal multiple access (NOMA) system, where a multiantenna unmanned aerial vehicle (UAV) is powered by wireless power transfer (WPT) and serves as the base station for multiple pairs of ground…

Information Theory · Computer Science 2022-04-21 Zhongyu Wang , Tiejun Lv , Jie Zeng , Wei Ni

In order to achieve efficient communication in the fifth generation (5G) networks, non-orthogonal multiple access (NOMA) technique has been utilized in fog radio access networks (F-RANs). In this paper, we investigate the resource…

Signal Processing · Electrical Eng. & Systems 2019-03-15 Binghong Liu , Mugen Peng

This paper investigates the coexistence of non-orthogonal multiple access (NOMA) and full-duplex (FD) to improve both spectral efficiency (SE) and user fairness. In such a scenario, NOMA based on the successive interference cancellation…

Signal Processing · Electrical Eng. & Systems 2019-08-05 Hieu V. Nguyen , Van-Dinh Nguyen , Octavia A. Dobre , Diep N. Nguyen , Eryk Dutkiewicz , Oh-Soon Shin

In this paper, facilitated via the flexible software defined structure of the radio access units in 5G, we propose a novel dynamic multiple access technology selection among orthogonal multiple access (OMA) and non-orthogonal multiple…

Signal Processing · Electrical Eng. & Systems 2018-11-28 Mina Baghani , Saeedeh Parsaeefard , Mahsa Derakhshani , Walid Saad

We study a wireless-powered uplink communication system with non-orthogonal multiple access (NOMA), consisting of one base station and multiple energy harvesting users. More specifically, we focus on the individual data rate optimization…

Information Theory · Computer Science 2016-11-17 Panagiotis D. Diamantoulakis , Koralia N. Pappi , Zhiguo Ding , George K. Karagiannidis

In this paper, we propose a novel joint resource allocation and cooperative caching scheme for power-domain non-orthogonal multiple access (PD-NOMA)-based heterogeneous networks (HetNets). In our scheme, the requested content is fetched…

Signal Processing · Electrical Eng. & Systems 2020-07-23 Maryam Moghimi , Abolfazl Zakeri , Mohammad Reza Javan , Nader Mokari , Derrick Wing Kwan Ng

In this paper, we investigate the resource allocation algorithm design for cooperative cognitive relaying multicarrier non-orthogonal multiple access (MC-NOMA) systems. In particular, the secondary base station serves multiple secondary…

Information Theory · Computer Science 2017-07-21 Yan Sun , Derrick Wing Kwan Ng , Robert Schober