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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…

Information Theory · Computer Science 2017-10-05 Yan Sun , Derrick Wing Kwan Ng , Jun Zhu , Robert Schober

This letter investigates the power control and channel assignment problem in device-to-device (D2D) communications underlaying a non-orthogonal multiple access (NOMA) cellular network. With the successive interference cancellation decoding…

Information Theory · Computer Science 2017-10-17 Yijin Pan , Cunhua Pan , Zhaohui Yang , Ming Chen

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…

Information Theory · Computer Science 2022-10-18 Abdelhamid Salem , Xiao Tong , Ang Li , Christos Masouros

In this letter, a new power allocation scheme is proposed to improve the reliability of cooperative non-orthogonal multiple access (CO-NOMA). The strong user is allocated the maximum power, whereas the weak user is allocated the minimum…

Signal Processing · Electrical Eng. & Systems 2020-11-26 Sana Riaz , Fahd Ahmed Khan , Sajid Saleem , Qasim Zeeshan Ahmed

Consider a multiuser downlink beamforming optimization problem for the non-orthogonal multiple access (NOMA) transmission in a multiple-input single-output (MISO) system. The total transmission power minimization problem is formulated…

Signal Processing · Electrical Eng. & Systems 2018-12-03 Yongwei Huang , Longtao Zhou

Recent studies have demonstrated the superiority of non-orthogonal multiple access (NOMA) over orthogonal multiple access (OMA) in cooperative communication networks. In this paper, we propose a novel half-duplex cooperative asynchronous…

Information Theory · Computer Science 2019-02-22 Xun Zou , Mehdi Ganji , Hamid Jafarkhani

This paper considers a downlink (DL) system where non-orthogonal multiple access (NOMA) beamforming and dynamic user pairing are jointly optimized to maximize the minimum throughput of all DL users. The resulting problem belongs to a class…

Signal Processing · Electrical Eng. & Systems 2020-06-26 Kha-Hung Nguyen , Hieu V. Nguyen , Van-Phuc Bui , Oh-Soon Shin

Non-orthogonal multiple access (NOMA) has received significant attention for future wireless networks. NOMA outperforms orthogonal schemes, such as OFDMA, in terms of spectral efficiency and massive connectivity. The joint subcarrier and…

Networking and Internet Architecture · Computer Science 2019-10-07 Lou Salaun , Marceau Coupechoux , Chung Shue Chen

The novel concept of near-field non-orthogonal multiple access (NF-NOMA) communications is proposed. The near-filed beamfocusing enables NOMA to be carried out in both angular and distance domains. Two novel frameworks are proposed, namely,…

Information Theory · Computer Science 2023-05-22 Jiakuo Zuo , Xidong Mu , Yuanwei Liu

This paper investigates a novel communication paradigm employing movable antennas (MAs) within a multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) downlink framework, where users are equipped with MAs. Initially,…

Information Theory · Computer Science 2024-08-09 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Nan Cheng

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)…

Signal Processing · Electrical Eng. & Systems 2019-08-06 Praful D. Mankar , Harpreet S. Dhillon

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…

Networking and Internet Architecture · Computer Science 2024-10-28 Sami Khairy , Prasanna Balaprakash , Lin X. Cai , H. Vincent Poor

In this paper, we study the problem of power and channel allocation for multicarrier non-orthogonal multiple access (NOMA) full duplex (FD) systems. In such a system there are multiple interfering users transmitting over the same channel…

Signal Processing · Electrical Eng. & Systems 2020-04-22 Andrea Abrardo , Marco Moretti , Fabio Saggese

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…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Zeyu Sun , Yindi Jing , Xinwei Yu

In the Internet-of-Things (IoT), massive sensitive and confidential information is transmitted wirelessly, making security a serious concern. This is particularly true when technologies, such as non-orthogonal multiple access (NOMA), are…

Information Theory · Computer Science 2023-02-14 Chaoying Yuan , Wei Ni , Kezhong Zhang , Jingpeng Bai , Jun Shen , AbbasJamalipour

Multi-access edge computing (MEC) and non-orthogonal multiple access (NOMA) have been regarded as promising technologies to improve computation capability and offloading efficiency of the mobile devices in the sixth generation (6G) mobile…

Information Theory · Computer Science 2021-05-26 Haodong Li , Fang Fang , Zhiguo Ding

Non-orthogonal multiple access (NOMA) represents a paradigm shift from conventional orthogonal multiple access (MA) concepts, and has been recognized as one of the key enabling technologies for 5G systems. In this paper, the impact of user…

Information Theory · Computer Science 2014-12-10 Zhiguo Ding , Pingzhi Fan , H. Vincent Poor

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…

Information Theory · Computer Science 2016-06-09 Yi Zhang , Hui-Ming Wang , Tong-Xing Zheng , Qian Yang

Non-orthogonal multiple access (NOMA) has drawn tremendous attention, being a potential candidate for the spectrum access technology for the fifth-generation (5G) and beyond 5G (B5G) wireless communications standards. Most research related…

Information Theory · Computer Science 2019-11-04 Vaibhav Kumar , Barry Cardiff , Shankar Prakriya , Mark F. Flanagan

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…

Signal Processing · Electrical Eng. & Systems 2024-05-31 Mahmoud AlaaEldin , Emad Alsusa , Mohammad Al-Jarrah , Karim G. Seddik