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This paper introduces a novel non-orthogonal multiple access (NOMA) concept named waveform-domain NOMA, which proposes the coexistence of different waveforms in the same resource element (RE). Regarding the demands of each user equipments…

信号处理 · 电气工程与系统科学 2020-03-13 Mehmet Mert Şahin , Hüseyin Arslan

We consider the combination of uplink code-domain non-orthogonal multiple access (NOMA) with massive multiple-input multiple-output (MIMO) and reconfigurable intelligent surfaces (RISs). We assume a setup in which the base station (BS) is…

信息论 · 计算机科学 2022-02-22 Bashar Tahir , Stefan Schwarz , Markus Rupp

In this paper, we propose a novel joint caching and non-orthogonal multiple access (NOMA) scheme to facilitate advanced downlink transmission for next generation cellular networks. In addition to reaping the conventional advantages of…

信息论 · 计算机科学 2018-01-30 Lin Xiang , Derrick Wing Kwan Ng , Xiaohu Ge , Zhiguo Ding , Vincent W. S. Wong , Robert Schober

Although non-orthogonal multiple access (NOMA) is recently considered for cellular systems, its key ideas such as successive interference cancellation (SIC) and superposition coding have been well studied in information theory. In this…

信息论 · 计算机科学 2017-06-28 Jinho Choi

Non-orthogonal multiple access (NOMA) is widely recognized for its spectral and energy efficiency, which allows more users to share the network resources more effectively. This paper provides a generalized bit error rate (BER) performance…

信号处理 · 电气工程与系统科学 2024-05-31 Mahmoud AlaaEldin , Emad Alsusa , Mohammad Al-Jarrah , Karim G. Seddik

In this paper, we study the uplink channel throughput performance of a proposed novel multiple-antenna hybrid-domain non-orthogonal multiple access (MA-HD-NOMA) scheme. This scheme combines the conventional sparse code multiple access…

信息论 · 计算机科学 2020-12-01 Animesh Yadav , Chen Quan , Pramod K. Varshney , H. Vincent Poor

In this paper, a non-orthogonal multiple access (NOMA) based downlink vehicle-to-infrastructure network is considered. Particularly, we focus on the specific case of two users, one of which requires reliable road-safety-critical data…

信息论 · 计算机科学 2022-09-01 Chongtao Guo , Bin Liao

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)…

信号处理 · 电气工程与系统科学 2019-08-06 Praful D. Mankar , Harpreet S. Dhillon

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

Device-to-device (D2D) and non-orthogonal multiple access (NOMA) are promising technologies to meet the challenges of the next generations of mobile communications in terms of network density and diversity for internet of things (IoT)…

信息论 · 计算机科学 2021-04-09 Antoine Kilzi , Joumana Farah , Charbel Abdel Nour , Catherine Douillard

An interference regime enforcing rate maximization scheme is proposed to maximize the achievable ergodic sum-rate of the parallel Gaussian interference channels by enforcing very strong interference at receivers through power allocation…

信息论 · 计算机科学 2019-01-15 Tugba Erpek , Sennur Ulukus , Yalin E. Sagduyu

Non-orthogonal multiple access (NOMA) is a key technology to enable massive machine type communications (mMTC) in 5G networks and beyond. In this paper, NOMA is applied to improve the random access efficiency in high-density…

网络与互联网体系结构 · 计算机科学 2024-10-28 Sami Khairy , Prasanna Balaprakash , Lin X. Cai , H. Vincent Poor

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 proposes a graph neural network (GNN) enabled power allocation scheme for non-orthogonal multiple access (NOMA) networks. In particular, a downlink scenario with one base station serving multiple users over several subchannels is…

信号处理 · 电气工程与系统科学 2025-02-11 Yipu Hou , Yang Lu , Wei Chen , Bo Ai , Dusit Niyato , Zhiguo Ding

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

信号处理 · 电气工程与系统科学 2020-09-15 Fang Fang , Yanqing Xu , Zhiguo Ding , Chao Shen , Mugen Peng , George K. Karagiannidis

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

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

Non-orthogonal multiple access (NOMA) is a powerful transmission technique that enhances the spectral efficiency of communication links, and is being investigated for 5G standards and beyond. A major drawback of NOMA is the need to apply…

信息论 · 计算机科学 2022-10-18 Abdelhamid Salem , Xiao Tong , Ang Li , Christos Masouros

We develop an analytical framework to derive the meta distribution and moments of the conditional success probability (CSP), which is defined as {success probability for a given realization of the transmitters}, in large-scale co-channel…

信息论 · 计算机科学 2018-04-10 Mohammad Salehi , Hina Tabassum , Ekram Hossain

Non-orthogonal multiple access (NOMA) is a promising technology to increase the spectral efficiency and enable massive connectivity in 5G and future wireless networks. In contrast to orthogonal schemes, such as OFDMA, NOMA multiplexes…

最优化与控制 · 数学 2020-05-01 Lou Salaün , Marceau Coupechoux , Chung Shue Chen