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相关论文: Cooperative NOMA-Based User Pairing for URLLC: A M…

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Non-orthogonal multiple access (NOMA) and spectrum sharing (SS) are two emerging multiple access technologies for efficient spectrum utilization in future wireless communications standards. In this paper, we present the performance analysis…

信息论 · 计算机科学 2019-09-25 Vaibhav Kumar , Barry Cardiff , Mark. F. Flanagan

In this work, we design a generalized joint transmission coordinated multi-point (JT-CoMP)-non-orthogonal multiple access (NOMA) model for a virtualized multi-infrastructure network. In this model, all users benefit from multiple joint…

信息论 · 计算机科学 2021-03-24 Sepehr Rezvani , Nader Mokari , Mohammad R. Javan , Eduard A. Jorswieck

It is well-known that the traditional transmit beamforming at a base station (BS) to manage interference in serving multiple users is effective only when the number of users is less than the number of transmit antennas at the BS.…

信息论 · 计算机科学 2017-08-29 Van-Dinh Nguyen , Hoang Duong Tuan , Trung Q. Duong , Oh-Soon Shin , H. Vincent Poor

Rate splitting multiple access (RSMA) is one of the most promising techniques for ultra-reliable and low-latency communications (URLLC) with stringent requirements on delay and reliability of multiple access. To fully explore the delay…

信息论 · 计算机科学 2024-07-18 Yixin Zhang , Wenchi Cheng , Jingqing Wang , Wei Zhang

Non-orthogonal multiple access (NOMA) is a promising radio access technique for next-generation wireless networks. In this article, we investigate the NOMA-based cooperative relay network. We begin with an introduction of the existing…

信息论 · 计算机科学 2018-01-16 Dehuan Wan , Miaowen Wen , Fei Ji , Hua Yu , Fangjiong Chen

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

In a heterogeneous cellular network (HetNet), consider that a base station in the HetNet is able to simultaneously schedule and serve K users in the downlink by performing the power-domain non-orthogonal multiple access (NOMA) scheme. This…

信息论 · 计算机科学 2018-01-16 Chun-Hung Liu , Di-Chun Liang

In this paper, we propose a distributed cluster formation (CF) and resource allocation (RA) framework for non-ideal non-orthogonal multiple access (NOMA) schemes in heterogeneous networks. The imperfection of the underlying NOMA scheme is…

网络与互联网体系结构 · 计算机科学 2019-07-08 Abdulkadir Celik , Ming-Cheng Tsai , Redha M. Radaydeh , Fawaz S. Al-Qahtani , Mohamed-Slim Alouini

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

Both non-orthogonal multiple access (NOMA), which can serve multiple users simultaneously and on the same frequency, and cognitive radio (CR) can contribute to eliminating the spectrum scarcity problem. In this work, an uplink CR-based NOMA…

信息论 · 计算机科学 2023-03-01 Omer Faruk Akyol , Fethi Okta , Semiha Tedik Basaran

Achieving digital fairness by using NOMA is one of the more pressing issues in modern wireless communication systems for 5G/6G networks. This is particularly true in the case of satellite uplink systems supporting a population of IoT…

信息论 · 计算机科学 2025-02-05 Giorgio Taricco

This paper investigates the transmission energy minimization problem for the two-user downlink with strictly heterogeneous latency constraints. To cope with the latency constraints and to explicitly specify the trade-off between blocklength…

信息论 · 计算机科学 2019-12-19 Yanqing Xu , Chao Shen , Tsung-Hui Chang , Shih-Chun Lin , Yajun Zhao , Gang Zhu

The novel concept of non-orthogonal multiple access (NOMA) aided joint radar and multicast-unicast communication (Rad-MU-Com) is investigated. Employing the same spectrum resource, a multi-input-multi-output (MIMO) dual-functional…

信息论 · 计算机科学 2022-09-14 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin , Lajos Hanzo

Non-Orthogonal Multiple Access (NOMA) technology has emerged as a promising technology to enable massive connectivity and enhanced spectral efficiency in next-generation wireless networks. In this study, we propose a novel two-user downlink…

信息论 · 计算机科学 2025-12-19 Emirhan Zor , Bora Bozkurt , Ferkan Yilmaz

In this paper, we investigate the latency performance of non-orthogonal multiple access (NOMA) and orthogonal multiple access (OMA) technologies in finite blocklength regime. In the comparative study, we derive the achievable effective…

信息论 · 计算机科学 2020-11-11 Muhammad Amjad , Leila Musavian , Sonia Aïssa

Non-orthogonal multiple access (NOMA) is widely recognized as a potential multiple access technology for efficient radio spectrum utilization in the fifth-generation (5G) wireless communications standard. In this paper, we study the average…

信息论 · 计算机科学 2019-03-06 Vaibhav Kumar , Barry Cardiff , Mark F. Flanagan

This work introduces, for the first time, non-orthogonal multiple access (NOMA) into short-packet communications to achieve low latency in wireless networks. Specifically, we address the optimization of transmission rates and power…

信息论 · 计算机科学 2017-09-20 Xiaofang Sun , Shihao Yan , Nan Yang , Zhiguo Ding , Chao Shen , Zhangdui Zhong

This paper addresses the growing demand for high-bandwidth wireless data transmission by exploring Visible Light Communication (VLC) as an alternative to Radio Frequency (RF) communication. In indoor scenarios, VLC systems utilize existing…

信号处理 · 电气工程与系统科学 2025-04-18 Serkan Vela , Gokce Hacioglu

In this paper, we aim to design an adaptive power allocation scheme to minimize the average transmit power of a hybrid automatic repeat request with chase combining (HARQ-CC) enabled non-orthogonal multiple access (NOMA) system under strict…

信息论 · 计算机科学 2019-11-05 Yanqing Xu , Donghong Cai , Fang Fang , Zhiguo Ding , Chao Shen , Gang Zhu

This paper focuses on evaluating the outage performance of a dual-hop single-phase non-orthogonal multiple-access (NOMA) system. The base station employs the Alamouti space-time block coding technique (Alamouti-STBC), enabling simultaneous…

信号处理 · 电气工程与系统科学 2024-10-29 Büşra Demirkol , Oğuz Kucur