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Massive machine-type communications (mMTC) is one of the key application scenarios for future 5G networks. Non-orthogonal multiple access (NOMA) is a promising technique for the use in mMTC scenario. In this paper, we investigate NOMA…

信息论 · 计算机科学 2019-01-23 Evgeny Marshakov , Gleb Balitskiy , Kirill Andreev , Alexey Frolov

Non-orthogonal multiple access (NOMA) is a promising multiple access technology to improve the throughput and spectral efficiency of the users for 5G and beyond cellular networks. Similarly, coordinated multi-point transmission and…

信号处理 · 电气工程与系统科学 2022-01-11 Akhileswar Chowdary , Garima Chopra , Abhinav Kumar , Linga Reddy Cenkeramaddi

The throughput of users with poor channel conditions, such as those at a cell edge, is a bottleneck in wireless systems. A major part of the power budget must be allocated to serve these users in guaranteeing their quality-of-service (QoS)…

信息论 · 计算机科学 2017-06-07 Van-Dinh Nguyen , Hoang Duong Tuan , Trung Q. Duong , H. Vincent Poor , and Oh-Soon Shin

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

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

We study the meta distribution (MD) of the coverage probability (CP) in downlink non-orthogonal-multiple-access (NOMA) networks. Two schemes are assessed based on the location of the NOMA users: 1) anywhere in the network, 2) cell-center…

信息论 · 计算机科学 2018-11-07 Konpal Shaukat Ali , Hesham ElSawy , Mohamed-Slim Alouini

Partial-information multiple access (PIMA) is an orthogonal multiple access (OMA) uplink scheme where time is divided into frames, each composed of two parts. The first part is used to count the number of users with packets to transmit,…

信息论 · 计算机科学 2023-08-07 Alberto Rech , Stefano Tomasin , Lorenzo Vangelista , Cristina Costa

Being an effective non-orthogonal multiple access (NOMA) technique, sparse code multiple access (SCMA) is promising for future wireless communication. Compared with orthogonal techniques, SCMA enjoys higher overloading tolerance and lower…

信息论 · 计算机科学 2018-04-03 Chuan Zhang , Chao Yang , Wei Xu , Shunqing Zhang , Zaichen Zhang , Xiaohu You

In this manuscript, we propose an alternating optimization framework to maximize the energy efficiency of a backscatter-enabled cooperative Non-orthogonal multiple access (NOMA) system by optimizing the transmit power of the source, power…

信息论 · 计算机科学 2022-08-23 Muhammad Asif , Asim Ihsan , Wali Ullah Khan , Ali Ranjha , Shengli Zhang , Sissi Xiaoxiao Wu

Considering a two-user multi-antenna Broadcast Channel, this paper shows that linearly precoded Rate-Splitting (RS) with Successive Interference Cancellation (SIC) receivers is a flexible framework for non-orthogonal transmission that…

信息论 · 计算机科学 2019-06-12 Bruno Clerckx , Yijie Mao , Robert Schober , H. Vincent Poor

A fundamental two-user PASS-based communication system is considered under three MA schemes, namely non-orthogonal multiple access (NOMA), frequency division multiple access (FDMA), and time division multiple access (TDMA). For each MA…

信号处理 · 电气工程与系统科学 2025-06-17 Qiao Ren , Xidong Mu , Siyu Lin , Yuanwei Liu

This paper investigates ground-aerial uplink non-orthogonal multiple access (NOMA) cellular networks. A rotary-wing unmanned aerial vehicle (UAV) user and multiple ground users (GUEs) are served by ground base stations (GBSs) by utilizing…

信息论 · 计算机科学 2020-05-26 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin

We outline a general framework to use coordinated multi-point (CoMP) transmission technology in downlink multi-cell non-orthogonal multiple access (NOMA) systems considering distributed power allocation at each cell. In this framework, CoMP…

网络与互联网体系结构 · 计算机科学 2017-03-29 Md Shipon Ali , Ekram Hossain , Dong In Kim

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…

We consider uplink power control in wireless communication when a large number of users compete over the channel resources. The CDMA protocol, as a supporting technology of 3G networks accommodating signal from different sources over the…

系统与控制 · 电气工程与系统科学 2020-12-01 Yuchi Wu , Junfeng Wu , Minyi Huang , Ling Shi

Rate-splitting multiple access (RSMA), relying on linearly precoded rate-splitting (RS) at the transmitter and successive interference cancellation (SIC) at the receivers has emerged as a powerful and flexible multiple access strategy for…

信息论 · 计算机科学 2021-04-02 Longfei Yin , Onur Dizdar , Bruno Clerckx

In this paper, the potential benefits of applying non-orthogonal multiple access (NOMA) technique in $K$-tier hybrid heterogeneous networks (HetNets) is explored. A promising new transmission framework is proposed, in which NOMA is adopted…

信息论 · 计算机科学 2017-05-10 Yuanwei Liu , Zhijin Qin , Maged Elkashlan , Arumugam Nallanathan , Julie A. McCann

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

Optical wireless communication (OWC) has the potential to provide high communication speeds that support the massive use of the Internet that is expected in the near future. In OWC, optical access points (APs) are deployed on the celling to…

In order to efficiently cope with the high throughput, reliability, heterogeneity of Quality-of-Service (QoS), and massive connectivity requirements of future 6G multi-antenna wireless networks, multiple access and multiuser communication…

信息论 · 计算机科学 2020-07-15 Onur Dizdar , Yijie Mao , Wei Han , Bruno Clerckx