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相关论文: Advanced NOMA Assisted Semi-Grant-Free Transmissio…

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Non-orthogonal multiple access (NOMA) in the power-domain has been recognized as a promising technique to overcome the bandwidth limitations of current visible light communication (VLC) systems. In this letter, we investigate the power…

信息论 · 计算机科学 2021-12-09 Carlos Alberto Rodríguez López , Vitalio Alfonso Reguera

This paper studies the application of cooperative techniques for non-orthogonal multiple access (NOMA). More particularly, the fixed gain amplify-and-forward (AF) relaying with NOMA is investigated over Nakagami-$m$ fading channels. Two…

信息论 · 计算机科学 2018-12-19 Xinwei Yue , Yuanwei Liu , Shaoli Kang , Arumugam Nallanathan

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…

In this paper, the application of simultaneous wireless information and power transfer (SWIPT) to non-orthogonal multiple access (NOMA) networks in which users are spatially randomly located is investigated. A new cooperative SWIPT NOMA…

信息论 · 计算机科学 2016-11-17 Yuanwei Liu , Zhiguo Ding , Maged Elkashlan , H. Vincent Poor

Non-orthogonal multiple access (NOMA) is a promising spectrally-efficient technology to meet the massive data requirement of the next-generation wireless communication networks. In this paper, we consider a cooperative non-orthogonal…

信息论 · 计算机科学 2018-09-26 Xuesong Liang , Xinbao Gong , Yongpeng Wu , Derrick Wing Kwan Ng , Tao Hong

In uplink non-orthogonal multiple access (NOMA) channels, the existing cooperative successive interference cancellation (SIC) and power control (PC) schemes lack the capability of achieving the full capacity region, which restricts the…

信息论 · 计算机科学 2022-04-14 Hongwu Liu , Zhiquan Bai , Hongjiang Lei , Gaofeng Pan , Kyeong Jin Kim , Theodoros A. Tsiftsis

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

Non-orthogonal multiple access (NOMA) and spectrum sharing are two potential technologies for providing massive connectivity in beyond fifth-generation (B5G) networks. In this paper, we present the performance analysis of a…

信息论 · 计算机科学 2025-04-16 Vaibhav Kumar , Zhiguo Ding , Mark F. Flanagan

Distributed antenna system (DAS) has been deployed for over a decade. DAS has advantages in capacity especially for the cell edge users, in both single-cell and multi-cell environments. In this paper, non-orthogonal multiple access (NOMA)…

信息论 · 计算机科学 2017-06-19 Dong-Jun Han , Minseok Choi , Jaekyun Moon

This paper investigates the application of non-orthogonal multiple access (NOMA) in millimeter wave (mmWave) communications by exploiting beamforming, user scheduling and power allocation. Random beamforming is invoked for reducing the…

信息论 · 计算机科学 2017-05-10 Jingjing Cui , Yuanwei Liu , Zhiguo Ding , Pingzhi Fan , Arumugam Nallanathan

An effective way to realize non-orthogonal multiple access (NOMA) assisted grant-free transmission is to first create multiple receive signal-to-noise ratio (SNR) levels and then serve multiple grant-free users by employing these SNR levels…

信息论 · 计算机科学 2023-07-04 Zhiguo Ding , Robert Schober , Bayan Sharif , and H. Vincent Poor

For a massive number of devices, nonorthogonal multiple access (NOMA) has been recognized as a promising technology for improving the spectral efficiency compared to orthogonal multiple access (OMA). However, it is difficult for a base…

信息论 · 计算机科学 2019-02-07 Minseok Choi , Joongheon Kim

In this paper, we present the first analytical solution for performance analysis of proportional fair scheduling (PFS) in downlink non-orthogonal multiple access (NOMA) systems. Assuming an ideal NOMA system with an arbitrary number of…

信息论 · 计算机科学 2017-03-10 Fei Liu , Marina Petrova

In uplink non-orthogonal multiple access (NOMA) channels, the existing cooperative successive interference cancellation (SIC) and power control (PC) schemes lack the capability of achieving the full capacity region, which restricts the…

信息论 · 计算机科学 2022-02-02 Hongwu Liu , Zhiquan Bai , Hongjiang Lei , Gaofeng Pan , Kyeong Jin Kim , Theodoros A. Tsiftsis

In this paper, we investigate energy-efficient power allocation for the downlink of the massive multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) systems. In our proposed scheme, we divide a cell into two zones.…

信号处理 · 电气工程与系统科学 2020-09-15 Abdolrasoul Sakhaei Gharagezlou , Jafar Pourrostam , Mahdi Nangir , Mir Mahdi Safari

In this paper, we propose an impartial simultaneous wireless information and power transfer (SWIPT)-assisted cooperation mechanism for a non-orthogonal multiple access (NOMA) downlink scenario. Specifically, both a cell-center user and a…

信息论 · 计算机科学 2019-10-02 Weiyu Chen , Haiyang Ding , Shilian Wang , Daniel Benevides da Costa , Fengkui Gong

This letter proposes a modified non-orthogonal multiple-access (NOMA) scheme for systems with a multi-antenna base station (BS) and two single-antenna users, where NOMA transmissions are conducted only when the absolute correlation…

信号处理 · 电气工程与系统科学 2024-10-30 Zeyu Sun , Yindi Jing , Xinwei Yu

In non-orthogonal multiple access (NOMA) downlink, multiple data flows are superimposed in the power domain and user decoding is based on successive interference cancellation. NOMA's performance highly depends on the power split among the…

信息论 · 计算机科学 2015-04-10 Stelios Timotheou , Ioannis Krikidis

In this contribution, the optimization of power proportion allocated for each user in the downlink (DL) non-orthogonal multiple access (NOMA) systems have been developed. Successive interference cancellation (SIC) technique recovers users'…

信号处理 · 电气工程与系统科学 2020-01-14 Jaime Laelson Jacob , Taufik Abrao

Hybrid non-orthogonal multiple access (H-NOMA), which combines the advantages of pure NOMA and conventional OMA organically, has emerged as a highly promising multiple access technology for future wireless networks. Recent studies have…

信号处理 · 电气工程与系统科学 2025-09-19 Ning Wang , Chenyu Zhang , Yanshi Sun , Minghui Min , Shiyin Li