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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…

信息论 · 计算机科学 2020-07-28 Zongze Li , Minghua Xia , Miaowen Wen , Yik-Chung Wu

With the evolution of 5G networks, optimizing resource allocation has become crucial to meeting the increasing demand for massive connectivity and high throughput. Combining Non-Orthogonal Multiple Access (NOMA) and massive Multi-Input…

网络与互联网体系结构 · 计算机科学 2025-03-26 Samar Chebbi , Oussama Habachi , Jean-Pierre Cances , Vahid Meghdadi , Essaid Sabir

While existing works about non-orthogonal multiple access (NOMA) have indicated that NOMA can yield a significant performance gain over orthogonal multiple access (OMA) with fixed resource allocation, it is not clear whether such a…

信息论 · 计算机科学 2017-10-11 Zhiyong Chen , Zhiguo Ding , Xuchu Dai , Rui Zhang

In this paper, we propose a multi-beam non-orthogonal multiple access (NOMA) scheme for hybrid millimeter wave (mmWave) systems and study its resource allocation. A beam splitting technique is designed to generate multiple analog beams to…

信息论 · 计算机科学 2018-06-14 Zhiqiang Wei , Lou Zhao , Jiajia Guo , Derrick Wing Kwan Ng , Jinhong Yuan

The superior spectral efficiency (SE) and user fairness feature of non-orthogonal multiple access (NOMA) systems are achieved by exploiting user clustering (UC) more efficiently. However, a random UC certainly results in a suboptimal…

信号处理 · 电气工程与系统科学 2020-11-17 Quang Nhat Le , Van-Dinh Nguyen , Nam-Phong Nguyen , Symeon Chatzinotas , Octavia A. Dobre , Ruiqin Zhao

Movable antenna (MA) systems have recently attracted significant attention in the field of wireless communications owing to their exceptional capability to proactively reconfigure wireless channels via flexible antenna movements. In this…

信号处理 · 电气工程与系统科学 2025-07-22 Nianzu Li , Peiran Wu , Lipeng Zhu , Weidong Mei , Boyu Ning , Derrick Wing Kwan Ng

In this paper, we study the resource allocation algorithm design for multiple-input single-output (MISO) multicarrier non-orthogonal multiple access (MC-NOMA) systems, in which a full-duplex base station serves multiple half-duplex uplink…

信息论 · 计算机科学 2017-10-05 Yan Sun , Derrick Wing Kwan Ng , Jun Zhu , Robert Schober

A network model is considered where Poisson distributed base stations transmit to $N$ power-domain non-orthogonal multiple access (NOMA) users (UEs) each {that employ successive interference cancellation (SIC) for decoding}. We propose…

信息论 · 计算机科学 2018-10-16 Konpal Shaukat Ali , Martin Haenggi , Hesham ElSawy , Anas Chaaban , Mohamed-Slim Alouini

In this paper, we consider the downlink precoder design for two-user power-domain multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) systems. The proposed precoding scheme is based on simultaneous triangularization…

信息论 · 计算机科学 2021-06-08 Aravindh Krishnamoorthy , Meng Huang , Robert Schober

This work considers the problem of dynamic power allocation in the downlink of multi-cell networks, where each cell utilizes non-orthogonal multiple access (NOMA)-based resource allocation. Also, coordinated multi-point (CoMP) transmission…

信号处理 · 电气工程与系统科学 2018-01-17 Md Shipon Ali , Ekram Hossain , Arafat Al-Dweik , Dong In Kim

The application of multiple-input multiple-output (MIMO) techniques to non-orthogonal multiple access (NOMA) systems is important to enhance the performance gains of NOMA. In this paper, a novel MIMO-NOMA framework for downlink and uplink…

信息论 · 计算机科学 2015-09-01 Zhiguo Ding , Robert Schober , H. Vincent Poor

In this paper, we investigate dynamic resource scheduling (i.e., joint user, subchannel, and power scheduling) for downlink multi-channel non-orthogonal multiple access (MC-NOMA) systems over time-varying fading channels. Specifically, we…

信息论 · 计算机科学 2021-08-17 Do-Yup Kim , Hamid Jafarkhani , Jang-Won Lee

Non-orthogonal multiple access (NOMA) and mmWave are two complementary technologies that can support the capacity demand that arises in 5G and beyond networks. The increasing number of users are served simultaneously while providing a…

信号处理 · 电气工程与系统科学 2020-02-19 Dileepa Marasinghe , Nalin Jayaweera , Nandana Rajatheva , Matti Latva-aho

To meet the performance and complexity requirements from practical deployment of non-orthogonal multiple access (NOMA) systems, several users are grouped together for NOMA transmission while orthogonal resources are allocated among groups.…

网络与互联网体系结构 · 计算机科学 2018-12-20 Fengqian Guo , Hancheng Lu , Daren Zhu , Hao Wu

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…

信号处理 · 电气工程与系统科学 2021-02-02 Stephen McWade , Mark F. Flanagan , Juquan Mao , Lei Zhang , Arman Farhang

We characterize time and power allocations to optimize the sum-throughput of a Wireless Powered Communication Network (WPCN) with Non-Orthogonal Multiple Access (NOMA). In our setup, an Energy Rich (ER) source broadcasts wireless energy to…

信息论 · 计算机科学 2017-03-06 Mohamed A. Abd-Elmagid , Alessandro Biason , Tamer ElBatt , Karim G. Seddik , Michele Zorzi

Non-orthogonal multiple access (NOMA) systems have the potential to deliver higher system throughput, compared to contemporary orthogonal multiple access techniques. For a linearly precoded multiple-input multiple-output (MISO) system, we…

We provide in this paper a comprehensive solution to the design, performance analysis, and optimization of a multi-antenna non-orthogonal multiple access (NOMA) system for multiuser downlink communications under a general limited channel…

信息论 · 计算机科学 2019-12-03 Zhiyao Tang , Liang Sun , Lu Cao , Shutong Qi , and Yong Feng

A non-orthogonal multiple access (NOMA) approach to user signal power allocation called Fair-NOMA is introduced. Fair-NOMA is the application of NOMA in such a way that two mobile users have the opportunity to always achieve at least the…

信息论 · 计算机科学 2016-05-03 Jose Armando Oviedo , Hamid R. Sadjadpour

By exploiting the superiority of non-orthogonal multiple access (NOMA), NOMA-aided mobile edge computing (MEC) can provide scalable and low-latency computing services for the Internet of Things. However, given the prevalent stochasticity of…

信息论 · 计算机科学 2021-07-01 Meihui Hua , Hui Tian , Xinchen Lyu , Wanli Ni , Gaofeng Nie