中文
相关论文

相关论文: Improving Energy Efficiency of Massive MIMO Relay …

200 篇论文

This paper investigates the energy efficiency (EE) optimization in downlink multi-cell massive multiple-input multiple-output (MIMO). In our research, the statistical channel state information (CSI) is exploited to reduce the signaling…

信息论 · 计算机科学 2021-09-06 Li You , Yufei Huang , Di Zhang , Zheng Chang , Wenjin Wang , Xiqi Gao

How would a cellular network designed for maximal energy efficiency look like? To answer this fundamental question, tools from stochastic geometry are used in this paper to model future cellular networks and obtain a new lower bound on the…

信息论 · 计算机科学 2016-04-06 Emil Björnson , Luca Sanguinetti , Marios Kountouris

In this paper, we develop a framework to maximize the network energy efficiency (EE) by optimizing joint user-base station~(BS) association,~subchannel assignment, and power control considering an in-band full-duplex (IBFD)-enabled…

信号处理 · 电气工程与系统科学 2020-10-21 Sheyda Zarandi , Ata Khalili , Mehdi Rasti , Hina Tabassum

In this paper power allocation in a cellular network, which transmitter uses massive multiple inputs multiple outputs (MIMO) system was studied. As circuit power consumption is increased by the number of antenna in transmitter and users,…

信号处理 · 电气工程与系统科学 2019-01-03 Saeed Sadeghi Vilni

Energy Efficiency (EE) is of high importance while considering Massive Multiple-Input Multiple-Output (M-MIMO) networks where base stations (BSs) are equipped with an antenna array composed of up to hundreds of elements. M-MIMO…

信号处理 · 电气工程与系统科学 2021-03-23 Marcin Hoffmann , Pawel Kryszkiewicz , Adrian Kliks

This paper considers a single-cell massive multiple-input multiple-output (MIMO) system equipped with a base station (BS) that uses one-bit quantization and investigates the energy efficiency (EE) and spectral efficiency (SE) trade-off. We…

信息论 · 计算机科学 2017-04-13 Yongzhi Li , Cheng Tao , Amine Mezghani , A. Lee Swindlehurst , Gonzalo Seco-Granados , Liu Liu

In this paper, we investigate energy-efficient (EE) power allocation (PA) for a special downlink scenario of the massive multiple-input multiple-output (MIMO) systems. We consider a minimum power required for each user to ensure that the…

信号处理 · 电气工程与系统科学 2020-11-10 Abdolrasoul Sakhaei Gharagezlou , Mahdi Nangir , Nima Imani , Erfan Mirhosseini

One of the most important challenges in the fifth generation (5G) of telecommunication systems is the efficiency of energy and spectrum. Massive multiple-input multiple-output (MIMO) systems have been proposed by researchers to resolve…

信号处理 · 电气工程与系统科学 2023-11-28 Abdolrasoul Sakhaei Gharagezlou , Nima Imani , Mahdi Nangir

In multicell massive multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) networks, base stations (BSs) with multiple antennas deliver their radio frequency energy in the downlink, and Internet-of-Things (IoT) devices…

信息论 · 计算机科学 2021-03-25 Zhongyu Wang , Zhipeng Lin , Tiejun Lv , Wei Ni

We investigate energy efficiency (EE) optimization for single-cell massive multiple-input multiple-output (MIMO) downlink transmission with only statistical channel state information (CSI) available at the base station. We first show that…

信息论 · 计算机科学 2020-04-14 Li You , Jiayuan Xiong , Xinping Yi , Jue Wang , Wenjin Wang , Xiqi Gao

Massive MIMO is attractive for wireless information and energy transfer due to its ability to focus energy towards desired spatial locations. In this paper, the overall power transfer efficiency (PTE) and the energy efficiency (EE) of a…

信息论 · 计算机科学 2019-09-20 Talha Ahmed Khan , Ali Yazdan , Robert W. Heath

This work aims to design the uplink (UL) of a cellular network for maximal energy efficiency (EE). Each base station (BS) is randomly deployed within a given area and is equipped with $M$ antennas to serve $K$ user equipments (UEs). A…

信息论 · 计算机科学 2018-06-25 Andrea Pizzo , Daniel Verenzuela , Luca Sanguinetti , Emil Björnson

In wireless network communication environments, Spectral Efficiency (SE) and Energy Efficiency (EE) are among the major indicators used for evaluating network performance. However, given the high demand for data rate services and the…

网络与互联网体系结构 · 计算机科学 2021-02-16 Mamman Maharazu , Zurina Mohd Hanapi , Mohamed A. Alrshah

In this paper, we investigate energy-efficient power allocation for the downlink of the massive multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) systems. In our proposed scheme, we divide a cell into two zones.…

信号处理 · 电气工程与系统科学 2020-09-15 Abdolrasoul Sakhaei Gharagezlou , Jafar Pourrostam , Mahdi Nangir , Mir Mahdi Safari

In this paper, we consider the power allocation problem for the downlink of the massive multiple-input multiple-output (MIMO) systems. We propose a new scheme by exploiting the water-filling algorithm in a cell with two zones. It is…

信号处理 · 电气工程与系统科学 2021-08-31 Abdolrasoul Sakhaei Gharagezlou , Jafar Pourrostam , Mahdi Nangir , Mir Mahdi Safari

This paper investigates the joint power allocation and user association problem in multi-cell Massive MIMO (multiple-input multiple-output) downlink (DL) systems. The target is to minimize the total transmit power consumption when each user…

信息论 · 计算机科学 2016-07-08 Trinh Van Chien , Emil Björnson , Erik G. Larsson

Motivated by the ever-growing demand for \emph{green} wireless communications and the advantages of \emph{cell-free} (CF) massive multiple-input multiple-output (MIMO) systems, we focus on the design of their downlink for optimal…

Massive multiple-input multiple-output (Massive MIMO) has been realized as a promising technology for next generation wireless mobile communications, in which Spectral efficiency (SE) and energy efficiency (EE) are two critical issues.…

信息论 · 计算机科学 2014-08-04 Di Zhang , Zhenyu Zhou , Keping Yu , Takuro Sato

In this paper, energy efficient power control for the uplink two-tier networks where a macrocell tier with a massive multiple-input multiple-output (MIMO) base station is overlaid with a small cell tier is investigated. We propose a…

网络与互联网体系结构 · 计算机科学 2017-03-23 Ningning Lu , Yanxiang Jiang , Fuchun Zheng , Xiaohu You

In this paper, we provide joint subcarrier assignment and power allocation schemes for quality-of-service (QoS)-constrained energy-efficiency (EE) optimization in the downlink of an orthogonal frequency division multiple access…

信息论 · 计算机科学 2016-11-01 Jie Tang , Daniel K. C. So , Emad Alsusa , Khairi Ashour Hamdi , Arman Shojaeifard , Kai-Kit Wong
‹ 上一页 1 2 3 10 下一页 ›