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In a heterogeneous cellular network (HetNet) consisting of $M$ tiers of densely-deployed base stations (BSs), consider that each of the BSs in the HetNet that are associated with multiple users is able to simultaneously schedule and serve…

Signal Processing · Electrical Eng. & Systems 2020-09-01 Chun-Hung Liu , Di-Chun Liang , Po-Chia Chen , Jie-Ru Yang

With the development of Internet-of-Things (IoT), we witness the explosive growth in the number of devices with sensing, computing, and communication capabilities, along with a large amount of raw data generated at the network edge. Mobile…

Information Theory · Computer Science 2021-11-23 Zezu Liang , Hanbiao Chen , Yuan Liu , Fangjiong Chen

A non-orthogonal multiple access (NOMA)-aided joint communication, sensing, and multi-tier computing (JCSMC) framework is proposed. In this framework, a multi-functional base station (BS) carries out target sensing, while providing edge…

Information Theory · Computer Science 2022-12-29 Zhaolin Wang , Xidong Mu , Yuanwei Liu , Xiaodong Xu , Ping Zhang

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, the potential benefits of applying non-orthogonal multiple access (NOMA) technique in $K$-tier hybrid heterogeneous networks (HetNets) is explored. A promising new transmission framework is proposed, in which NOMA is adopted…

Information Theory · Computer Science 2017-05-10 Yuanwei Liu , Zhijin Qin , Maged Elkashlan , Arumugam Nallanathan , Julie A. McCann

Non-orthogonal multiple access (NOMA) has been identified as one of the promising technologies to enhance the spectral efficiency and throughput for the fifth generation (5G) and beyond 5G cellular networks. Alternatively, Coordinated…

Information Theory · Computer Science 2021-12-15 Akhileswar Chowdary , Garima Chopra , Abhinav Kumar , Linga Reddy Cenkeramaddi

Non-Orthogonal Multiple Access (NOMA) and caching are two proposed approaches to increase the capacity of future 5G wireless systems. Typically in NOMA systems, signals at the receiver are decoded using successive interference cancellation…

Information Theory · Computer Science 2018-01-24 Jose Armando Oviedo , Hamid R. Sadjadpour

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

Non-orthogonal multiple access (NOMA) is a promising multiple access technique for beyond fifth generation (B5G) cellular wireless networks, where several users can be served on a single time-frequency resource block, using the concepts of…

Signal Processing · Electrical Eng. & Systems 2020-02-04 Mehdi Monemi , Hina Tabassum , Ramein Zahedi

Mobile edge computing (MEC) can enhance the computing capability of mobile devices, and non-orthogonal multiple access (NOMA) can provide high data rates. Combining these two technologies can effectively benefit the network with spectrum…

Information Theory · Computer Science 2019-04-30 Fang Fang , Yanqing Xu , Zhiguo Ding , Chao Shen , Mugen Peng , George K. Karagiannidis

In this work, we study the use of non-orthogonal multiple access (NOMA) and orthogonal time frequency space (OTFS) modulation in a multiple-input multiple-output (MIMO) communication network where mobile users (MUs) with different mobility…

Signal Processing · Electrical Eng. & Systems 2024-06-28 Wafa Hedhly , Leila Musavian , Nikolaos Thomos

This paper considers a challenging communication scenario, in which users have heterogenous mobility profiles, e.g., some users are moving at high speeds and some users are static. A new non-orthogonal multiple-access (NOMA) transmission…

Information Theory · Computer Science 2019-04-08 Zhiguo Ding , Robert Schober , Pingzhi Fan , H. Vincent Poor

We investigate the application of non-orthogonal multiple access (NOMA) with successive interference cancellation (SIC) in downlink multiuser multiple-input multiple-output (MIMO) cellular systems, where the total number of receive antennas…

Information Theory · Computer Science 2016-11-23 Md Shipon Ali , Ekram Hossain , Dong In Kim

To meet the ever-growing demand for a higher communicating rate and better communication quality, more and more small cells are overlaid under the macro base station (MBS) tier, thus forming the heterogeneous networks. Small cells can ease…

Networking and Internet Architecture · Computer Science 2017-05-18 Tao Han , Yujie Han , Xiaohu Ge , Qiang Li , Jing Zhang , Zhiquan Bai , Lijun Wang

This paper presents the meta distribution analysis of the downlink two-user non-orthogonal multiple access (NOMA) in cellular networks. We propose a novel user ranking technique wherein the users from the cell center (CC) and cell edge (CE)…

Signal Processing · Electrical Eng. & Systems 2019-08-06 Praful D. Mankar , Harpreet S. Dhillon

Non-orthogonal multiple access (NOMA) serves multiple users by superposing their distinct message signals. The desired message signal is decoded at the receiver by applying successive interference cancellation (SIC). Using the theory of…

Information Theory · Computer Science 2016-11-14 Hina Tabassum , Ekram Hossain , Md. Jahangir Hossain

NOMA (non-orthogonal multiple access) will be seen as a promising technology for enhancing spectrum efficiency in future cellular networks. The use of unmanned aerial vehicle (UAV) Amplify-and-Forward (AF) relaying as a moving access point…

Information Theory · Computer Science 2023-04-27 Ghania Khraimech , Fatiha Merazka

The fifth generation (5G) communication scenarios such as the cellular network and the emerging machine type communications will produce massive small packets. To support massive connectivity and avoid signaling overhead caused by the…

Information Theory · Computer Science 2017-04-19 Qiang Song , Ronggui Xie , Huarui Yin , Guo Wei

To mitigate computational power gap between the network core and edges, mobile edge computing (MEC) is poised to play a fundamental role in future generations of wireless networks. In this letter, we consider a non-orthogonal multiple…

Information Theory · Computer Science 2023-10-16 Vaibhav Kumar , Muhammad Fainan Hanif , Markku Juntti , Le-Nam Tran

We investigate a coded uplink non-orthogonal multiple access (NOMA) configuration in which groups of co-channel users are modulated in accordance with orthogonal time frequency space (OTFS). We take advantage of OTFS characteristics to…

Information Theory · Computer Science 2021-02-10 Yao Ge , Qinwen Deng , P. C. Ching , Zhi Ding
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