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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…

信息论 · 计算机科学 2019-04-30 Fang Fang , Yanqing Xu , Zhiguo Ding , Chao Shen , Mugen Peng , George K. Karagiannidis

This letter proposes a novel pinching antenna systems (PASS) enabled non-orthogonal multiple access (NOMA) multi-access edge computing (MEC) framework. An optimization problem is formulated to minimize the maximum task delay by optimizing…

信号处理 · 电气工程与系统科学 2026-01-16 Yuan Ai , Xidong Mu , Pengbo Si , Yuanwei Liu

In this paper, we investigate a non-orthogonal multiple access (NOMA) based mobile edge computing (MEC) network, in which two users may partially offload their respective tasks to a single MEC server through uplink NOMA. We propose a new…

信息论 · 计算机科学 2019-07-15 Yinghui Ye , Guangyue Lu , Rose Qingyang Hu , Liqin Shi

While non-orthogonal multiple access (NOMA) improves spectral efficiency, it results in a complexity at the receivers due to successive interference cancellation (SIC). Prior studies on the energy efficiency of NOMA overlook the SIC…

网络与互联网体系结构 · 计算机科学 2023-04-12 Syllas R. C. Magalhaes , Suzan Bayhan , Geert Heijenk

For millimeter-wave (mmWave) non-orthogonal multiple access (NOMA) communication systems, we propose an innovative near-field (NF) transmission framework based on dynamic metasurface antenna (DMA) technology. In this framework, a base…

信号处理 · 电气工程与系统科学 2024-09-25 Yue Xiu , Yang Zhao , Songjie Yang , Yufeng Zhang , Dusit Niyato , Hongyang Du , Ning Wei

This letter proposes a novel six-dimensional movable metasurface (6DMM)-assisted downlink non-orthogonal multiple access (NOMA) system, in which a conventional base station (BS) equipped with fixed antennas serves multiple users with the…

信号处理 · 电气工程与系统科学 2025-12-10 Li-Hsiang Shen

This paper studies the beamforming design problem of a multi-user downlink network, assuming imperfect channel state information known to the base station. In this scenario, the base station is equipped with multiple antennas, and each user…

信号处理 · 电气工程与系统科学 2020-03-25 Pu Zhao , Meng Zhang , Hui Yu , Hanwen Luo , Wen Chen

Non-orthogonal multiple access (NOMA) has been widely nominated as an emerging spectral efficiency (SE) multiple access technique for the next generation of wireless communication network. To meet the growing demands in massive connectivity…

信息论 · 计算机科学 2024-03-19 Ronglan Huang , Fei ji , Zeng Hu , Dehuan Wan , Pengcheng Xu , Yun Liu

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…

信号处理 · 电气工程与系统科学 2019-08-05 Hieu V. Nguyen , Van-Dinh Nguyen , Octavia A. Dobre , Diep N. Nguyen , Eryk Dutkiewicz , Oh-Soon Shin

We study two-user multiple-input single-output (MISO) wireless powered communication networks (WPCNs), where the user devices are equipped with non-linear energy harvesting (EH) circuits. We consider time-division duplex (TDD) transmission,…

信息论 · 计算机科学 2021-10-05 Nikita Shanin , Moritz Garkisch , Amelie Hagelauer , Robert Schober , Laura Cottatellucci

This work presents non-orthogonal multiple access (NOMA) enabled energy-efficient alternating optimization framework for backscatter aided wireless powered uplink sensors communications for beyond 5G intelligent transportation system (ITS).…

信号处理 · 电气工程与系统科学 2022-05-17 Asim Ihsan , Wen Chen , Wali Ullah Khan , Qingqing Wu , Kunlun Wang

In this paper, we investigate the problem of downlink non-orthogonal multiple access (NOMA) over block fading channels. For the single antenna case, we propose a class of NOMA schemes where all the users' signals are mapped into…

信息论 · 计算机科学 2019-06-18 Min Qiu , Yu-Chih Huang , Jinhong Yuan

Rate splitting multiple access (RSMA) and non-orthogonal multiple access (NOMA) are the key enabling multiple access techniques to enable massive connectivity. However, it is unclear whether RSMA would consistently outperform NOMA from a…

信息论 · 计算机科学 2023-06-16 Mohammad Amin Saeidi , Hina Tabassum

In this letter, the design of non-orthogonal multiple access (NOMA) beamforming is investigated in a spatial division multiple access (SDMA) legacy system. In particular, two popular beamforming strategies in the NOMA literature, one to use…

信息论 · 计算机科学 2022-01-12 Zhiguo Ding

Non-orthogonal multiple access (NOMA) is considered a key technology for improving the spectral efficiency of fifth-generation (5G) and beyond 5G cellular networks. NOMA is beneficial when the channel vectors of the users are in the same…

信息论 · 计算机科学 2022-01-07 Kusuma Priya P. , Pavan Reddy M. , Abhinav Kumar

Non-orthogonal multiple access (NOMA) allows users sharing a resource-block to efficiently reuse spectrum and improve cell sum rate $\mathcal{R}_{\rm tot}$ at the expense of increased interference. Orthogonal multiple access (OMA), on the…

信息论 · 计算机科学 2021-02-02 Konpal Shaukat Ali , Ekram Hossain , Md. Jahangir Hossain

This paper considers the coexistence of two important communication techniques, non-orthogonal multiple access (NOMA) and mobile edge computing (MEC). Both NOMA uplink and downlink transmissions are applied to MEC, and analytical results…

信息论 · 计算机科学 2018-04-19 Zhiguo Ding , Pingzhi Fan , H. Vincent Poor

In this paper, a downlink intelligent reflecting surface (IRS) enhanced millimeter-wave (mmWave) non-orthogonal multiple access (NOMA) system is considered. A joint optimization problem over active beamforming, passive beamforming and power…

信息论 · 计算机科学 2020-05-05 Jiakuo Zuo , Yuanwei Liu , Ertugrul Basar , Octavia A. Dobre

This letter studies how the imperfect resolution of near-field beamforming, the key feature of near-field communications, can be used to improve the throughput and connectivity of wireless networks. In particular, a hybrid non-orthogonal…

信息论 · 计算机科学 2023-11-07 Zhiguo Ding , H. Vincent Poor

Reconfigurable intelligent surface (RIS) has emerged as a promising technology for achieving high spectrum and energy efficiency in future wireless communication networks. In this paper, we investigate an RIS-aided single-cell multi-user…

信息论 · 计算机科学 2021-05-04 Zhiyang Li , Ming Chen , Zhaohui Yang , Jingwen Zhao , Yinlu Wang , Jianfeng Shi , Chongwen Huang