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相关论文: Energy-Efficient Backscatter Aided Uplink NOMA Roa…

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This paper proposes a novel non-orthogonal multiple access (NOMA) assisted cooperative spectrum sharing network, in which one of the full-duplex (FD) secondary transmitters (STs) is chosen among many for forwarding the primary transmitter's…

信号处理 · 电气工程与系统科学 2020-11-23 Quang Nhat Le , Animesh Yadav , Nam-Phong Nguyen , Octavia A. Dobre , Ruiqin Zhao

Pinching-antenna systems (PASS) have recently attracted significant attention as a promising architecture for flexible and reconfigurable wireless communications. Despite notable advancements, research on energy efficiency (EE) maximization…

信号处理 · 电气工程与系统科学 2026-04-29 Yishi Zhang , Aditya Powari , Kaidi Wang , Yaru Fu , Daniel K. C. So

The increasing demand for massive connectivity and high data rates has made the efficient use of existing spectrum resources an increasingly challenging problem. Non-orthogonal multiple access (NOMA) is a potential solution for future…

To mitigate computational power gap between the network core and edges, mobile edge computing (MEC) is poised to play a fundamental role in future generations of wireless networks. In this letter, we consider a non-orthogonal multiple…

信息论 · 计算机科学 2023-10-16 Vaibhav Kumar , Muhammad Fainan Hanif , Markku Juntti , Le-Nam Tran

This paper investigates an uplink non-orthogonal multiple access (NOMA)-based mobile-edge computing (MEC) network. Our objective is to minimize a linear combination of the completion time of all users' tasks and the total energy consumption…

信息论 · 计算机科学 2019-08-14 Zhaohui Yang , Cunhua Pan , Jiancao Hou , Mohammad Shikh-Bahaei

In this paper, we investigate a hybrid multicast/ unicast scheme for a multiple-input single-output cache-aided non-orthogonal multiple access (NOMA) vehicular scenario in the face of rapidly fluctuating vehicular wireless channels.…

信息论 · 计算机科学 2020-11-24 Xinyue Pei , Hua Yu , Yingyang Chen , Miaowen Wen , Gaojie Chen

Today's wireless networks allocate radio resources to users based on the orthogonal multiple access (OMA) principle. However, as the number of users increases, OMA based approaches may not meet the stringent emerging requirements including…

信号处理 · 电气工程与系统科学 2019-02-28 Mahmoud Aldababsa , Mesut Toka , Selahattin Gokceli , Gunes Karabulut Kurt , Oguz Kucur

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

Due to an increasing number of unmanned aerial vehicles (UAVs) with generally limited battery power, energy efficient data transmission schemes with massive connectivity capabilities are required for future wireless networks. Non-orthogonal…

信号处理 · 电气工程与系统科学 2020-11-04 Irfan Azam , Muhammad Basit Shahab , Soo Young Shin

Non-orthogonal multiple access (NOMA) has emerged as a promising radio access technique for enabling the performance enhancements promised by the fifth-generation (5G) networks in terms of connectivity, low latency, and high spectrum…

机器学习 · 计算机科学 2018-01-12 Daniyal Amir Awan , Renato L. G. Cavalcante , Masahiro Yukawa , Slawomir Stanczak

In this paper, we investigate the outage performance of an intelligent reflecting surface (IRS)-assisted non-orthogonal multiple access (NOMA) uplink, in which a group of the surface reflecting elements are configured to boost the signal of…

信息论 · 计算机科学 2021-06-17 Bashar Tahir , Stefan Schwarz , Markus Rupp

This paper investigates the performance of reconfigurable intelligent surface assisted two-way non-orthogonal multiple access (RIS-TW-NOMA) networks, where a pair of users exchange their information through a RIS. The influence of imperfect…

信息论 · 计算机科学 2022-09-20 Ziwei Liu , Xinwei Yue , Chao Zhang , Yuanwei Liu , Yuanyuan Yao , Yafei Wang , Zhiguo Ding

The scenario of an uplink two-user non-orthogonal multiple access (NOMA) communication system is analytically studied when it operates in the short packet transmission regime. The considered users support mobility and each is equipped with…

In this paper, we propose a downlink multiple-input single-output (MISO) transmission scheme, which is assisted by an intelligent reflecting surface (IRS) consisting of a large number of passive reflecting elements. In the literature, it…

信息论 · 计算机科学 2019-12-30 Jianyue Zhu , Yongming Huang , Jiaheng Wang , Keivan Navaie , Zhiguo Ding

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…

信息论 · 计算机科学 2016-08-30 Ruijin Sun , Ying Wang , Xinshui Wang , Yuan Zhang

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided communication system is investigated, where an access point sends information to two users located on each side of the STAR-RIS. Different from…

信息论 · 计算机科学 2022-09-14 Yuanwei Liu , Xidong Mu , Robert Schober , H. Vincent Poor

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…

信号处理 · 电气工程与系统科学 2023-06-01 Finn Siegismund-Poschmann , Bile Peng , Eduard A. Jorswieck

This letter advances the non-orthogonal multiple access (NOMA) technique for cellular downlink co-channel interference mitigation, via exploiting the (limited) cooperation among base stations (BSs). Specifically, we consider a simplified…

信息论 · 计算机科学 2020-02-17 Weidong Mei , Rui Zhang

This paper studies the performance of a wireless powered communication network (WPCN) under the non-orthogonal multiple access (NOMA) scheme, where users take advantage of an emerging fluid antenna system (FAS). More precisely, we consider…

信息论 · 计算机科学 2024-08-12 Farshad Rostami Ghadi , Masoud Kaveh , Kai-Kit Wong , Riku Jantti , Zheng Yan

In this paper, we develop various beamforming techniques for downlink transmission for multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) systems. First, a beamforming approach with perfect channel state information…

信息论 · 计算机科学 2018-07-10 Faezeh Alavi , Kanapathippillai Cumanan , Zhiguo Ding , Alister G. Burr