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To deal with the ever increasing data rate demand in wireless systems, suitable backhaul solutions have to be found. One option is to use LOS MIMO systems at mmWave frequencies, as high bandwidths and spectral efficiencies will be able to…

信息论 · 计算机科学 2016-04-13 Tim Hälsig , Berthold Lankl

Massive MIMO is bringing significant performance improvements in the context of outdoor macrocells, such as favourable propagation conditions, spatially confined communication, high antenna gains to overcome pathloss, and good angular…

信号处理 · 电气工程与系统科学 2020-03-26 Andrea P. Guevara , Sibren De Bast , Sofie Pollin

We consider the problem of maximizing the harvested power in Multiple Input Multiple Output (MIMO) Simultaneous Wireless Information and Power Transfer (SWIPT) systems with power splitting reception. Different from recently proposed…

信息论 · 计算机科学 2017-10-13 Deepak Mishra , George C. Alexandropoulos

The benefit of multi-antenna receivers is investigated in wireless ad hoc networks, and the main finding is that network throughput can be made to scale linearly with the number of receive antennas nR even if each transmitting node uses…

信息论 · 计算机科学 2016-11-17 Nihar Jindal , Jeffrey G. Andrews , Steven Weber

Wireless Fidelity (Wi-Fi) communication technologies hold significant potential for realizing the Industrial Internet of Things (IIoT). In this paper, both Single-Input Single-Output (SISO) and polarized Multiple-Input Multiple-Output…

系统与控制 · 电气工程与系统科学 2025-01-08 Li Zhang , Cheng-Xiang Wang , Zihao Zhou , Yuxiao Li , Jie Huang , Lijian Xin , Chun Pan , Dabo Zheng , Xiping Wu

In this paper, we study the downlink performance of two important 5G network architectures, i.e. massive multiple-input multiple-output (M-MIMO) and small-cell densification. We propose a comparative modeling for the two systems, where the…

信息论 · 计算机科学 2015-09-15 Hieu Duy Nguyen , Sumei Sun

In this paper, a rigorous link performance test for MIMO OTA (multiple-input-multiple-output over-the-air) characterisation with traceable signal-to-interference-plus-noise ratio (SINR) is presented. Measurements were made with three…

信号处理 · 电气工程与系统科学 2018-09-24 Min Wang , Tian-Hong Loh , David Cheadle , Yongjiu Zhao , Yonggang Zhou

3-dimensional Multiple-Input Multiple-Output (3D MIMO) systems have received great interest recently because of the spatial diversity advantage and capability for full-dimensional beamforming, making them promising candidates for practical…

Massive multiple-input multiple-output (MIMO) systems have been drawing considerable interest due to the growing throughput demands on wireless networks. In the uplink, massive MIMO systems are commonly studied assuming that each base…

信息论 · 计算机科学 2018-11-28 Nir Shlezinger , Yonina C. Eldar

Spatial diversity technique enables improvement in quality and reliability of wireless link. Antenna diversity along with understanding effects of channel on transmitted signal and methods to overcome the channel impairment plays an…

信息论 · 计算机科学 2016-05-11 Gopika K , M Mathurakani

In this paper, a comprehensive study has been made to evaluate the performance of a MISO wireless communication system. The 4-by-1 spatially multiplexed Turbo encoded system under investigation incorporates Quasi-orthogonal space-time block…

信息论 · 计算机科学 2012-05-23 M. Hasnat Kabir , Shaikh Enayet Ullah , Mustari Zaman , Md. Golam Rashed

The performance of centralized and distributed massive MIMO deployments are analyzed for indoor office scenarios. The distributed deployments use one of the following precoding methods: (1) local precoding with local channel state…

信息论 · 计算机科学 2018-01-11 Stefan Dierks , Gerhard Kramer , Berthold Panzner , Wolfgang Zirwas

The performance of simultaneous wireless information and power transfer (SWIPT) in downlink (DL) cell-free massive multiple-input multiple-output (MIMO) is investigated. Tight approximations to the DL harvested energy and the DL/uplink (UL)…

信号处理 · 电气工程与系统科学 2020-11-17 Diluka Loku Galappaththige , Rajan Shrestha , Gayan Amarasuriya Aruma Baduge

To improve the cellular energy efficiency, without sacrificing quality-of-service (QoS) at the users, the network topology must be densified to enable higher spatial reuse. We analyze a combination of two densification approaches, namely…

信息论 · 计算机科学 2013-10-22 Emil Björnson , Marios Kountouris , Mérouane Debbah

In this paper, we study a massive multiple-input multiple-output (mMIMO) relay network where multiple source-destination pairs exchange information through a common relay equipped with a massive antenna array. The source users perform…

信号处理 · 电气工程与系统科学 2020-02-17 Samira Rahimian , Yindi Jing , Masoud Ardakani

Massive MIMO (Multiple-Input Multiple-Output) is an advanced wireless communication technology, using a large number of antennas to improve the overall performance of the communication system in terms of capacity, spectral, and energy…

信息论 · 计算机科学 2025-01-06 Ferhat Ozgur Catak , Murat Kuzlu , Umit Cali

To support the high data rates for latency-critical applications, future wireless systems will employ fully digital beamforming multiple-input multiple-output (MIMO) architectures at millimeter wave (mmWave) frequencies. Moreover, mmWave…

信号处理 · 电气工程与系统科学 2026-04-06 Faruk Pasic , Mariam Mussbah , Stefan Schwarz , Markus Rupp , Christoph F. Mecklenbräuker

In this work, a new energy-efficiency performance metric is proposed for MIMO (multiple input multiple output) point-to-point systems. In contrast with related works on energy-efficiency, this metric translates the effects of using finite…

网络与互联网体系结构 · 计算机科学 2018-04-09 Vineeth S. Varma , Samson Lasaulce , Merouane Debbah , Salah Eddine Elayoubi

In this letter, we consider a large-scale multiple-input multiple-output (MIMO) system where the receiver should harvest energy from the transmitter by wireless power transfer to support its wireless information transmission. The energy…

信息论 · 计算机科学 2016-11-18 Xiaoming Chen , Xiumin Wang , Xianfu Chen

In this paper, we examine the fundamental trade-off between radiated power and achieved throughput in wireless multi-carrier, multiple-input and multiple-output (MIMO) systems that vary with time in an unpredictable fashion (e.g. due to…

信息论 · 计算机科学 2015-03-10 Ioannis Stiakogiannakis , Panayotis Mertikopoulos , Corinne Touati