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In this paper, non-orthogonal multiple access (NOMA) is applied to large-scale underlay cognitive radio (CR) networks with randomly deployed users. In order to characterize the performance of the considered network, new closed-form…

信息论 · 计算机科学 2016-11-18 Yuanwei Liu , Zhiguo Ding , Maged Elkashlan , Jinhong Yuan

Non-orthogonal multiple access (NOMA) is widely viewed as a potential candidate for providing enhanced multiple access in future mobile networks by eliminating the orthogonal distribution of radio resources amongst the users. Nevertheless,…

信号处理 · 电气工程与系统科学 2024-12-03 Aditya Powari , Daniel K. C. So

In this paper, a novel joint design of beamforming and power allocation is proposed for a multi-cell multiuser multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) network. In this network, base stations (BSs) adopt…

信息论 · 计算机科学 2018-06-13 Xiaofang Sun , Nan Yang , Shihao Yan , Zhiguo Ding , Derrick Wing Kwan Ng , Chao Shen , Zhangdui Zhong

With non-orthogonal multiple access(NOMA), we tackle the maximization of the secrecy rate for the strong user subject to a maximum allowable secrecy outage probability, while guaranteeing a constraint on the transmission rate to the weak…

信息论 · 计算机科学 2018-07-04 Youhong Feng , Shihao Yan , Zhen Yang

Non-orthogonal multiple access (NOMA) technique has sparked a growing research interest due to its ability to enhance the overall spectral efficiency of wireless systems. In this paper, we investigate the pairwise error probability (PEP)…

信号处理 · 电气工程与系统科学 2018-04-12 Lina Bariah , Arafat Al-Dweik , Sami Muhaidat

In this paper, we study the energy efficiency (EE) maximization problem for an uplink millimeter wave massive multiple-input multiple-output system with non-orthogonal multiple access (NOMA). Multiple two-user clusters are formed according…

信息论 · 计算机科学 2019-03-15 Ming Zeng , Wanming Hao , Octavia A. Dobre , H. Vincent Poor

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

Visible light communications (VLC) is gaining interest as one of the enablers of short-distance, high-data-rate applications, in future beyond 5G networks. Moreover, non-orthogonal multiple-access (NOMA)-enabled schemes have recently…

信息论 · 计算机科学 2021-05-28 Omar Maraqa , Umair F. Siddiqi , Saad Al-Ahmadi , Sadiq M. Sait

Device to Device (D2D) communication underlying cellular communication can improve the utilization efficiency of resources, and the cellular user equipment (C-UE) can utilize the rental resources for D2D user equipment (D-UE) to obtain…

信号处理 · 电气工程与系统科学 2022-09-13 Linglin Kong

In this paper, a multipoint-to-point system consisting K users and a central node with non-orthogonal multiple access (NOMA) technique over free space optical (FSO) channel is characterized for two cases. In the case of guaranteed user's…

信息论 · 计算机科学 2017-07-25 Ruijie Li , Anhong Dang

The integration of non-orthogonal multiple access in millimeter-Wave communications (mmWave-NOMA) can significantly improve the spectrum efficiency and increase the number of users in the fifth-generation (5G) mobile communication. In this…

信息论 · 计算机科学 2018-11-08 Zhenyu Xiao , Lipeng Zhu , Zhen Gao , Dapeng Oliver Wu , Xiang-Gen Xia

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

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…

信息论 · 计算机科学 2016-06-09 Yi Zhang , Hui-Ming Wang , Tong-Xing Zheng , Qian Yang

In this paper, we investigate the dynamic power allocation for a visible light communication (VLC) cellular system consisting of two coordinating attocells, each equipped with one access-point (AP). The coordinated multipoint (CoMP) between…

信号处理 · 电气工程与系统科学 2022-07-05 Mohamed Amine Arfaoui , Ali Ghrayeb , Chadi Assi , Marwa Qaraqe

This letter advances the non-orthogonal multiple access (NOMA) technique for cellular downlink co-channel interference mitigation, via exploiting the (limited) cooperation among base stations (BSs). Specifically, we consider a simplified…

信息论 · 计算机科学 2020-02-17 Weidong Mei , Rui Zhang

In order to overcome the inherent latency in multi-user unmanned aerial vehicle (UAV) networks with orthogonal multiple access (OMA). In this paper, we investigate the UAV enabled uplink non-orthogonal multiple access (NOMA) network, where…

信号处理 · 电气工程与系统科学 2019-08-27 Jinhui Lu , Yuntian Wang , Tingting Liu , Zhihong Zhuang , Xiaobo Zhou , Feng Shu , Zhu Han

This paper introduces a novel power allocation and subcarrier optimization algorithm tailored for fixed wireless access (FWA) networks operating under low-rank channel conditions, where the number of subscriber antennas far exceeds those at…

信号处理 · 电气工程与系统科学 2024-10-30 Kamyar Rajabalifardi , Sagnik Bhattacharya , Mehrnaz Afshang , Mohammad Mozaffari , John M. Cioffi

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

This paper investigates the application of non-orthogonal multiple access in millimeter-Wave communications (mmWave-NOMA). Particularly, we consider downlink transmission with a hybrid beamforming structure. A user grouping algorithm is…

信号处理 · 电气工程与系统科学 2019-07-31 Lipeng Zhu , Jun Zhang , Zhenyu Xiao , Xianbin Cao , Dapeng Oliver Wu , Xiang-Gen Xia

Non-orthogonal multiple access (NOMA) has been recognized as a key driving technology for the fifth generation (5G) and beyond 5G cellular networks. For a practical dowlink NOMA system with imperfect successive interference cancellation…

信号处理 · 电气工程与系统科学 2020-12-15 Nemalidinne Siva Mouni , Abhinav Kumar , Prabhat K. Upadhyay