中文
相关论文

相关论文: Downlink Power Allocation for CoMP-NOMA in Multi-C…

200 篇论文

This paper investigates an uplink non-orthogonal multiple access (NOMA)-based mobile-edge computing (MEC) network. Our objective is to minimize the total energy consumption of all users including transmission energy and local computation…

信号处理 · 电气工程与系统科学 2019-02-18 Zhaohui Yang , Jiancao Hou , Mohammad Shikh-Bahaei

Achieving significant performance gains both in terms of system throughput and massive connectivity, non-orthogonal multiple access (NOMA) has been considered as a very promising candidate for future wireless communications technologies. It…

网络与互联网体系结构 · 计算机科学 2021-08-31 Zeyad Elsaraf , Faheem A. Khan , Qasim Zeeshan Ahmed

Non-orthogonal multiple access (NOMA) is recognized as a promising radio access technique for the next generation wireless systems. We consider a practical downlink NOMA system with imperfect successive interference cancellation and derive…

信号处理 · 电气工程与系统科学 2022-10-19 Nemalidinne Siva Mouni , Pavan Reddy M. , Abhinav Kumar , Prabhat K. Upadhyay

This paper explores downlink Cooperative Rate-Splitting Multiple Access (C-RSMA) in a multi-cell wireless network with the assistance of Joint-Transmission Coordinated Multipoint (JT-CoMP). In this network, each cell consists of a base…

信号处理 · 电气工程与系统科学 2024-09-04 Mohamed Elhattab , Shreya Khisa , Chadi Assi , Ali Ghrayeb , Marwa Qaraqe , Georges Kaddoum

The combination of non-orthogonal multiple access (NOMA) and mobile edge computing (MEC) can significantly improve the spectrum efficiency beyond the fifth-generation network. In this paper, we mainly focus on energy-efficient resource…

信号处理 · 电气工程与系统科学 2020-09-15 Fang Fang , Kaidi Wang , Zhiguo Ding , Victor C. M. Leung

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…

信号处理 · 电气工程与系统科学 2020-04-22 Andrea Abrardo , Marco Moretti , Fabio Saggese

In this paper, we investigate joint resource allocation and power control mechanisms for two-cell networks, where each cell has some sub-channels which should be allocated to some users. The main goal persuaded in the current work is…

信息论 · 计算机科学 2018-05-08 Ata Khalili , Soroush Akhlaghi , Meysam Mirzaee

To cope with the explosive traffic growth of next-generation wireless communications, it is necessary to design next-generation multiple access techniques that can provide higher spectral efficiency as well as larger-scale connectivity. As…

信息论 · 计算机科学 2021-07-28 Xinyue Pei , Yingyang Chen , Miaowen Wen , Hua Yu , Erdal Panayirci , H. Vincent Poor

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

This paper compares centralized and distributed methods to solve the power minimization problem with quality-of-service (QoS) constraints in the downlink (DL) of multi-cell Massive multiple-input multiple-output (MIMO) systems. In…

信息论 · 计算机科学 2018-02-21 Trinh Van Chien , Emil Björnson , Erik G. Larsson , Tuan Anh Le

6G wireless networks will require the flexibility to accommodate an extremely diverse set of service types. This necessitates the use of mixed numerologies to accommodate different quality of service (QoS) requirements. Non-orthogonal…

信号处理 · 电气工程与系统科学 2021-02-02 Stephen McWade , Mark F. Flanagan , Juquan Mao , Lei Zhang , Arman Farhang

This paper considers joint uplink/downlink of an orthogonal frequency division multiple access (OFDMA)-based heterogeneous network (HetNet) consisting of a single macro base station (MBS), multiple femto base stations (FBSs) and access…

信息论 · 计算机科学 2018-03-19 Sepehr Rezvani , Nader Mokari , Mohammad R. Javan

In this paper, a non-orthogonal multiple access (NOMA) based downlink vehicle-to-infrastructure network is considered. Particularly, we focus on the specific case of two users, one of which requires reliable road-safety-critical data…

信息论 · 计算机科学 2022-09-01 Chongtao Guo , Bin Liao

This paper focuses on energy-efficient coordinated multi-point (CoMP) downlink in multi-antenna multi-cell wireless communications systems. We provide an overview of transmit beamforming designs for various energy efficiency (EE) metrics…

信息论 · 计算机科学 2018-08-10 Kien-Giang Nguyen , Oskari Tervo , Quang-Doanh Vu , Le-Nam Tran , Markku Juntti

Non-orthogonal multiple access (NOMA) is a promising technology to increase the spectral efficiency and enable massive connectivity in 5G and future wireless networks. In contrast to orthogonal schemes, such as OFDMA, NOMA multiplexes…

最优化与控制 · 数学 2020-05-01 Lou Salaün , Marceau Coupechoux , Chung Shue Chen

In this paper, a non-orthogonal multiple access (NOMA) system with partial channel state information (CSI) for downlink and uplink transmission in mobile scenarios is considered, i.e., users are deployed randomly and will move casually…

信息论 · 计算机科学 2020-08-19 Hao Qiu , Shaoshuai Gao

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…

信号处理 · 电气工程与系统科学 2025-07-28 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Zhendong Li , Kunlun Wang , Qiong Wu

This paper introduces new approaches for combining non-orthogonal multiple access with distributed antenna systems. The study targets a minimization of the total transmit power in each cell, under user rate and power multiplexing…

信号处理 · 电气工程与系统科学 2018-10-22 Joumana Farah , Antoine Kilzi , Charbel Abdel Nour , Catherine Douillard

Future wireless networks are expected to connect large-scale low-powered communication devices using the available spectrum resources. Backscatter communications (BC) is an emerging technology towards battery-free transmission in future…

信号处理 · 电气工程与系统科学 2022-08-03 Wali Ullah Khan , Eva Lagunas , Asad Mahmood , Zain Ali , Symeon Chatzinotas , Björn Ottersten , Octavia A. Dobre

In this paper, we consider an non-ideal successive interference cancellation (SIC) receiver based imperfect non-orthogonal multiple access (NOMA) schemes whose performance is limited by three factors: 1) Power disparity \& sensitivity…

网络与互联网体系结构 · 计算机科学 2018-12-04 Abdulkadir Celik , Ming-Cheng Tsai , Redha M. Radaydeh , Fawaz S. Al-Qahtani , Mohamed-Slim Alouini