English
Related papers

Related papers: Receiver-driven Video Multicast over NOMA Systems …

200 papers

Orthogonal time frequency space (OTFS) is being pursued in recent times as a suitable wireless transmission technology for use in high mobility scenarios. In this work, we propose nonorthogonal multiple acess (NOMA) based OTFS which may be…

Information Theory · Computer Science 2021-04-07 Aritra Chatterjee , Vivek Rangamgari , Shashank Tiwari , Suvra Sekhar Das

Non-orthogonal multiple access (NOMA) has become a promising technology for next-generation wireless communications systems due to its capability to provide access for multiple users on the same resource. In this paper, we consider an…

Information Theory · Computer Science 2024-07-25 Azadeh Tabeshnezhad , A. Lee Swindlehurst , Tommy Svensson

Backscatter communications (BC) has emerged as a promising technology for providing low-powered transmissions in nextG (i.e., beyond 5G) wireless networks. The fundamental idea of BC is the possibility of communications among wireless…

Signal Processing · Electrical Eng. & Systems 2022-02-04 Wali Ullah Khan , Muhammad Ali Jamshed , Asad Mahmood , Eva Lagunas , Symeon Chatzinotas , Bjorn Ottersten

Non-orthogonal multiple access (NOMA) has been recognized as a promising multiple access technique for the next generation cellular communication networks. In this paper, we first discuss a simple NOMA model with two users served by a…

Information Theory · Computer Science 2016-09-08 Zhiqiang Wei , Jinhong Yuan , Derrick Wing Kwan Ng , Maged Elkashlan , Zhiguo Ding

Multi-antenna non-orthogonal multiple access (NOMA) is a promising technique to significantly improve the spectral efficiency and support massive access, which has received considerable interests from academic and industry. This article…

Information Theory · Computer Science 2018-02-08 Caijun Zhong , Xiaoling Hu , Xiaoming Chen , Derrick Wing Kwan Ng , Zhaoyang Zhang

Non-orthogonal multiple access (NOMA) systems can serve multiple users in contrast to orthogonal multiple-access (OMA), which makes use of the limited time or frequency domain resources. It can help to address the unprecedented…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Syed Agha Hassnain Mohsan , Yanlong Li

Nonorthogonal multiple access (NOMA) with multi-antenna base station (BS) is a promising technology for next-generation wireless communication, which has high potential in performance and user fairness. Since the performance of NOMA depends…

Signal Processing · Electrical Eng. & Systems 2023-06-01 Finn Siegismund-Poschmann , Bile Peng , Eduard A. Jorswieck

Vehicle-to-everything (V2X) is a modern vehicular technology that improves conventional vehicle systems in traffic and communications. V2X communications demand energyefficient and high-reliability networking because of massive vehicular…

Signal Processing · Electrical Eng. & Systems 2020-09-09 Asim Ihsan , Wen Chen , Shunqing Zhang , Shugong Xu

The increasing demand for rich multimedia services and the emergence of the Internet-of-Things (IoT) pose challenging requirements for the next generation vehicular networks. Such challenges are largely related to high spectral efficiency…

Signal Processing · Electrical Eng. & Systems 2019-06-17 Sanjeev Gurugopinath , Paschalis C. Sofotasios , Yousof Al-Hammadi , Sami Muhaidat

The ever-evolving landscape of distributed wireless systems, e.g. multi-user AR/VR systems, demands high data rates (up to 500 Mbps per user) and low power consumption. With increasing number of participating users, uplink data transmission…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Sagnik Bhattacharya , Kamyar Rajabalifardi , Muhammad Ahmed Mohsin , Rohan Pote , John M. Cioffi

This paper investigates the movable antenna (MA)- assisted downlink non-orthogonal multiple access (NOMA) network to maximize system throughput. In the considered scenario, both the base station (BS) and users are equipped with MA, and a…

Signal Processing · Electrical Eng. & Systems 2025-07-28 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Zhendong Li , Kunlun Wang , Qiong Wu

In this paper, an energy harvesting (EH) based cooperative non-orthogonal multiple access (NOMA) system is considered, where node S simultaneously sends independent signals to a stronger node R and a weaker node D. We focus on the scenario…

Information Theory · Computer Science 2016-08-30 Ruijin Sun , Ying Wang , Xinshui Wang , Yuan Zhang

Currently used resource allocation methods for uplink multicarrier non-orthogonal multiple access (MC-NOMA) systems have multiple shortcomings. Current approaches either allocate the same power across all subcarriers to a user, or use…

Signal Processing · Electrical Eng. & Systems 2025-01-22 Sagnik Bhattacharya , Kamyar Rajabalifardi , Muhammad Ahmed Mohsin , John M. Cioffi

In this paper, we utilize a downlink hybrid Non-Orthogonal Multiple Access (NOMA) framework to support multiple semantic and bit users within the communication network. The hybrid NOMA setup exploits both NOMA and Orthogonal Multiple Access…

Signal Processing · Electrical Eng. & Systems 2026-05-06 Ishtiaque Ahmed , Leila Musavian

To improve the sum-rate (SR) of the dual-hop relay system, a novel two-stage power allocation scheme with non-orthogonal multiple access (NOMA) is proposed. In this scheme, after the reception of the superposition coded symbol with a power…

Information Theory · Computer Science 2016-04-14 Wei Duan , Miaowen Wen , Yier Yan , Zixiang Xiong , Moon Ho Lee

The key idea of non-orthogonal multiple access (NOMA) is to serve multiple users simultaneously at the same time and frequency, which can result in excessive multiple-access interference. As a crucial component of NOMA systems, successive…

Information Theory · Computer Science 2020-05-21 Z. Ding , R. Schober , H. V. Poor

In this paper, we investigate the performance of an intelligent omni-surface (IOS) assisted downlink non-orthogonal multiple access (NOMA) network with phase quantization errors and channel estimation errors, where the channels related to…

Information Theory · Computer Science 2022-09-13 Tianxiong Wang , Mihai-Alin Badiu , Gaojie Chen , Justin P. Coon

In this thesis, we study performance analysis and resource allocation designs for non-orthogonal multiple access (NOMA) in wireless communication systems. In contrast to conventional orthogonal multiple access (OMA) schemes, NOMA allows…

Information Theory · Computer Science 2019-10-03 Zhiqiang Wei

In this paper, a hybrid non-orthogonal multiple access (NOMA) framework for the simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) enhanced cell-edge communication is investigated. Specifically, one…

Information Theory · Computer Science 2023-07-06 Jiayi Lei , Tiankui Zhang , Yuanwei Liu

This paper investigates the optimal resource allocation of a downlink non-orthogonal multiple access (NOMA) system consisting of one base station and multiple users. Unlike existing short-term NOMA designs that focused on the resource…

Information Theory · Computer Science 2017-05-25 Wei Bao , He Chen , Yonghui Li , Branka Vucetic
‹ Prev 1 4 5 6 7 8 10 Next ›