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A novel non-orthogonal multiple access (NOMA) based cache-aided mobile edge computing (MEC) framework is proposed. For the purpose of efficiently allocating communication and computation resources to users' computation tasks requests, we…

Signal Processing · Electrical Eng. & Systems 2019-06-24 Zhong Yang , Yuanwei Liu , Yue Chen , Naofal Al-Dhahir

In the Internet-of-Things (IoT), massive sensitive and confidential information is transmitted wirelessly, making security a serious concern. This is particularly true when technologies, such as non-orthogonal multiple access (NOMA), are…

Information Theory · Computer Science 2023-02-14 Chaoying Yuan , Wei Ni , Kezhong Zhang , Jingpeng Bai , Jun Shen , AbbasJamalipour

Non-orthogonal multiple access (NOMA) has come to the fore as a spectral-efficient technique for fifth-generation and beyond communication networks. We consider the downlink of a NOMA system with untrusted users. In order to consider a more…

Information Theory · Computer Science 2023-08-21 Sapna Thapar , Deepak Mishra , Ravikant Saini

Splitting the inference model between device, edge server, and cloud can improve the performance of EI greatly. Additionally, the non-orthogonal multiple access (NOMA), which is the key supporting technologies of B5G/6G, can achieve massive…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-12-27 Xin Yuan , Ning Li , Tuo Zhang , Muqing Li , Yuwen Chen , Jose Fernan Martinez Ortega , Song Guo

Non-orthogonal multiple access (NOMA) systems can serve multiple users in contrast to orthogonal multiple-access (OMA), which makes use of the limited time or frequency domain resources. It can help to address the unprecedented…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Syed Agha Hassnain Mohsan , Yanlong Li

Cache-assisted ultra-dense mobile edge computing (MEC) networks are a promising solution for meeting the increasing demands of numerous Internet-of-Things mobile devices (IMDs). To address the complex interferences caused by small base…

Information Theory · Computer Science 2024-10-22 Tianqing Zhou , Bobo Wang , Dong Qin , Xuefang Nie , Nan Jiang , Chunguo Li

Non-orthogonal multiple access (NOMA) is a promising solution for secure transmission under massive access. However, in addition to the uncertain channel state information (CSI) of the eavesdroppers due to their passive nature, the CSI of…

Information Theory · Computer Science 2020-07-28 Zongze Li , Minghua Xia , Miaowen Wen , Yik-Chung Wu

Signaling design for secure transmission in two-user multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) networks is investigated in this paper. The base station broadcasts multicast data to all users and also…

Information Theory · Computer Science 2022-04-06 Yue Qi , Mojtaba Vaezi

Non-orthogonal multiple access (NOMA) serves multiple users simultaneously via the same resource block by exploiting superposition coding at the transmitter and successive interference cancellation (SIC) at the receivers. Under practical…

Information Theory · Computer Science 2023-08-21 Sapna Thapar , Deepak Mishra , Derrick Wing Kwan Ng , Ravikant Saini

Nowadays, Internet of Video Things (IoVT) grows rapidly in terms of quantity and computation demands. In spite of the higher local computation capability on visual processing compared with conventional Internet of Things devices, IoVT…

Networking and Internet Architecture · Computer Science 2021-08-31 Fengqian Guo , Hancheng Lu , Bo Li , Dingxuan Li , Chang Wen Chen

Symbiotic radio (SR) networks are possible solutions to the future low-power wireless communications for massive Internet of Things devices. In this paper, we investigate a multiple-input-single-output non-orthogonal multiple access (NOMA)…

Information Theory · Computer Science 2019-06-11 Yiqing Li , Miao Jiang , Qi Zhang , Jiayin Qin

In this paper, we present the ergodic sum secrecy rate (ESSR) analysis of an underlay spectrum sharing non-orthogonal multiple access (NOMA) system. We consider the scenario where the power transmitted by the secondary transmitter (ST) is…

Information Theory · Computer Science 2021-05-18 Vaibhav Kumar , Mark F. Flanagan , Daniel Benevides da Costa , Le-Nam Tran

This paper considers the application of non-orthogonal multiple access (NOMA) to a multi-user network with mixed multicasting and unicasting traffic. The proposed design of beamforming and power allocation ensures that the unicasting…

Information Theory · Computer Science 2016-11-17 Zhiguo Ding , Zhongyuan Zhao , Mugen Peng , H. Vincent Poor

Multi-access edge computing (MEC) and non-orthogonal multiple access (NOMA) have been regarded as promising technologies to improve computation capability and offloading efficiency of the mobile devices in the sixth generation (6G) mobile…

Information Theory · Computer Science 2021-05-26 Haodong Li , Fang Fang , Zhiguo Ding

In this letter, we consider a multi-antenna downlink network where a secure user (SU) coexists with a passive eavesdropper. There are two design requirements for such a network. First, the information should be transferred in a secret and…

Information Theory · Computer Science 2013-02-21 Xiaoming Chen , Lei Lei

An intelligent reflecting surface (IRS)-aided wireless powered mobile edge computing (WP-MEC) system is conceived, where each device's computational task can be divided into two parts for local computing and offloading to mobile edge…

Information Theory · Computer Science 2021-08-24 Guangji Chen , Qingqing Wu , Wen Chen , Derrick Wing Kwan Ng , Lajos Hanzo

In this paper, a unified framework of non-orthogonal multiple access (NOMA) networks is proposed, which can be applied to code-domain NOMA (CD-NOMA) and power-domain NOMA (PD-NOMA). Since the detection of NOMA users mainly depend on…

Information Theory · Computer Science 2018-01-26 Xinwei Yue , Zhijin Qin , Yuanwei Liu , Xiaoming Dai , Yue Chen

Despite numerous advantages, non-orthogonal multiple access (NOMA) technique can bring additional interference for the neighboring ultra-dense networks if the power consumption of the system is not properly optimized. While targeting on the…

Networking and Internet Architecture · Computer Science 2019-04-19 Rukhsana Ruby , Shuxin Zhong , Derrick Wing Kwan Ng , Kaishun Wu , Victor C. M. Leung

Non-orthogonal multiple access (NOMA) has drawn tremendous attention, being a potential candidate for the spectrum access technology for the fifth-generation (5G) and beyond 5G (B5G) wireless communications standards. Most research related…

Information Theory · Computer Science 2019-11-04 Vaibhav Kumar , Barry Cardiff , Shankar Prakriya , Mark F. Flanagan

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
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