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A massive multiple input multiple-output system is very important to optimize the trade-off energy efficiency and spectral efficiency in fifth-generation cellular networks. The challenges for the next generation depend on increasing the…

Information Theory · Computer Science 2021-05-25 Adeb Salh , Nor Shahida Mohd Shah , Lukman Audah , Qazwan Abdullah , Norsaliza Abdullah , Shipun A. Hamzah , Abdu Saif

This paper investigates the energy efficiency (EE) and spectral efficiency (SE) trade-off in uplink distributed massive multiple-input multiple-output (D-mMIMO) systems. Unlike conventional approaches where power consumption focuses…

Networking and Internet Architecture · Computer Science 2026-01-21 Mohd Saif Ali Khan , Karthik RM , Samar Agnihotri

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…

Information Theory · Computer Science 2017-04-13 Yongzhi Li , Cheng Tao , Amine Mezghani , A. Lee Swindlehurst , Gonzalo Seco-Granados , Liu Liu

We consider the impact of transceiver power consumption on the energy efficiency (EE) of the Zero Forcing (ZF) detector in the uplink of massive MIMO systems, where a base station (BS) with $M$ antennas communicates coherently with $K$…

Information Theory · Computer Science 2016-11-18 Saif Khan Mohammed

This paper investigates the tradeoff between energyefficiency (EE) and spectral-efficiency (SE) for full-duplex (FD) enabled cellular networks.We assume that small cell base stations are working in the FD mode while user devices still work…

Information Theory · Computer Science 2016-07-14 Dingzhu Wen , Guanding Yu , Rongpeng Liy , Yan Cheny , Geoffrey Ye Liz

Assume that a multi-user multiple-input multiple-output (MIMO) system is designed from scratch to uniformly cover a given area with maximal energy efficiency (EE). What are the optimal number of antennas, active users, and transmit power?…

Information Theory · Computer Science 2016-02-22 Emil Björnson , Luca Sanguinetti , Jakob Hoydis , Mérouane Debbah

In this paper, we examine the energy efficiency (EE) of a base station (BS) with multiple antennas. We use a state-of-the-art power consumption model, taking into account the passive and active parts of the transceiver circuitry, including…

Information Theory · Computer Science 2024-09-06 Anders Enqvist , Özlem Tuğfe Demir , Cicek Cavdar , Emil Björnson

In this paper, we investigate the spectral efficiency (SE) of massive multiple-input multiple-output (MIMO) systems with a large number of antennas at the base station (BS) accounting for physical space constraints. In contrast to the vast…

Information Theory · Computer Science 2016-11-17 Jiayi Zhang , Linglong Dai , Michail Matthaiou , Christos Masouros , Shi Jin

Massive multi-input multi-output (MIMO) can support high spectral efficiency (SE) with simple linear transceivers, and is expected to provide high energy efficiency (EE). In this paper, we analyze the EE of downlink multi-cell massive MIMO…

Information Theory · Computer Science 2015-05-28 Wenjia Liu , Shengqian Han , Chenyang Yang

We consider the uplink of a multiuser massive MIMO system wherein a base station (BS) having $M$ antennas communicates coherently with $K$ single antenna user terminals (UTs). We study the energy efficiency of this system while taking the…

Information Theory · Computer Science 2014-04-14 Sudarshan Mukherjee , Saif Khan Mohammed

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…

Information Theory · Computer Science 2019-09-20 Talha Ahmed Khan , Ali Yazdan , Robert W. Heath

As a key technology for future wireless networks, massive multiple-input multiple-output (MIMO) can significantly improve the energy efficiency (EE) and spectral efficiency (SE), and the performance is highly dependant on the degree of the…

Signal Processing · Electrical Eng. & Systems 2020-05-11 Li You , Jiayuan Xiong , Alessio Zappone , Wenjin Wang , Xiqi Gao

This work analyzes the optimized deployment of two resources scarcely available in mobile multiple access systems, i.e., spectrum and energy, as well as the impact of filter optimization in the system performance. Taking in perspective the…

Optimization and Control · Mathematics 2012-06-20 Álvaro R. C. Souza , Taufik Abrão , Lucas H. Sampaio , Paul Jean E. Jeszensky

When designing wireless communication systems (WCS), spectral efficiency (SE) has been the main design performance metric. Recently, energy efficiency (EE) is attracting a huge interest due to the massive deployment of power limited WCS…

Networking and Internet Architecture · Computer Science 2019-02-07 Lokman Sboui , Zouheir Rezki , Ahmed Sultan , Mohamed-Slim Alouini

One of focuses in green communication studies is the energy efficiency (EE) of massive multiple-input multiple-output (MIMO) systems. Although the massive MIMO technology can improve the spectral efficiency (SE) of cellular networks by…

Networking and Internet Architecture · Computer Science 2019-02-04 Shuang Zheng , Jing Yang , Xiaohu Ge , Yonghui Li , Lin Tian , Jinglin Shi

The emergence of reconfigurable intelligent surfaces (RISs) enables us to establish programmable radio wave propagation that caters for wireless communications, via employing low-cost passive reflecting units. This work studies the…

Information Theory · Computer Science 2021-03-08 Li You , Jiayuan Xiong , Derrick Wing Kwan Ng , Chau Yuen , Wenjin Wang , Xiqi Gao

This paper presents a simple and effective method to study the spectral and energy efficiency (SE-EE) trade-off in cellular networks, an issue that has attracted significant recent interest in the wireless community. The proposed…

Information Theory · Computer Science 2016-11-18 Dimitrios Tsilimantos , Jean-Marie Gorce , Katia Jaffrès-Runser , H. Vincent Poor

Energy efficiency (EE) and spectral efficiency (SE) are two of the key performance metrics in future wireless networks, covering both design and operational requirements. For previous conventional resource allocation techniques, these two…

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…

Information Theory · Computer Science 2016-04-06 Emil Björnson , Luca Sanguinetti , Marios Kountouris

This paper takes into consideration the non-ideal efficiency characteristics of realistic power amplifiers (PAs) along with the daily traffic profile in order to investigate the impact of PA dimensioning on the energy efficiency (EE) of…

Networking and Internet Architecture · Computer Science 2014-11-10 M. M. Aftab Hossain , Riku Jäntti , Cicek Cavdar
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