Results 1 to 10 of about 59,628 (141)

Field-Theoretical Investigations of the Influence of Mutual Coupling Effects on the Capacity of MIMO Wireless Links [PDF]

open access: yesAdvances in Radio Science, 2005
We present a MIMO channel model which takes into account mutual coupling effects at the receiver and transmitter array in order to assess the influence of mutual coupling effects on the capacity of MIMO channels.
H. Ndoumbè Mbonjo Mbonjo   +2 more
doaj  

A Car Logo Design-Inspired CPW-Fed Semitransparent Antenna for Vehicular Applications

open access: yesInternational Journal of Antennas and Propagation, 2023
In this paper, a quad-port multiple-input multiple-output (MIMO) semitransparent antenna is designed for automotive applications. The transparent soda lime glass substrate is used in the prototype antenna for windshield applications, and the radiator is ...
Lekha Kannappan   +3 more
doaj   +1 more source

Unbroken Metal Rim MIMO Antenna Utilizing Antenna Clusters [PDF]

open access: yesIEEE Antennas and Wireless Propagation Letters, 2019
This letter presents an antenna system for mobile devices with an unbroken metal rim. By utilizing the characteristic mode analysis for the unbroken metal rim, efficient multiple-input–multiple-output operation can be achieved. The design is based on an antenna cluster technique that uses several coupled elements that are used to efficiently excite the
Hannula, Jari Matti   +5 more
openaire   +3 more sources

A universal space-time architecture for multiple-antenna aided systems

open access: yes, 2012
In this tutorial, we first review the family of conventional multiple-antenna techniques, and then we provide a general overview of the recent concept of the powerful Multiple-Input Multiple-Output (MIMO) family based on a universal Space-Time Shift ...
Chen, Sheng   +2 more
core   +1 more source

Optimal Transmit Antenna Selection for Massive MIMO Wiretap Channels

open access: yes, 2018
In this paper, we study the impacts of transmit antenna selection on the secrecy performance of massive MIMO systems. We consider a wiretap setting in which a fixed number of transmit antennas are selected and then confidential messages are transmitted ...
Asaad, Saba   +4 more
core   +1 more source

Metamaterial loaded miniaturized extendable MIMO antenna with enhanced bandwidth, gain and isolation for 5G sub-6 GHz wireless communication systems

open access: yesAin Shams Engineering Journal
Multiple-input multiple-output (MIMO) antennas are crucial for fifth-generation (5G) communications that enhance data transmission rate, spectrum utilization, channel quality, and reliability.
Md. Mhedi Hasan   +5 more
doaj   +1 more source

Optimal space-time codes for the MIMO amplify-and-forward cooperative channel

open access: yes, 2006
In this work, we extend the non-orthogonal amplify-and-forward (NAF) cooperative diversity scheme to the MIMO channel. A family of space-time block codes for a half-duplex MIMO NAF fading cooperative channel with N relays is constructed.
Belfiore, Jean-Claude, Yang, Sheng
core   +7 more sources

Compact Dual-Band MIMO Antenna with Complementary Isotropic Open Resonant Ring for Mutual Coupling Reduction [PDF]

open access: yesJournal of Electromagnetic Engineering and Science
In this study, a compact dual-band multiple-input multiple-output (MIMO) antenna system loaded with a complementary isotropic open resonant ring is proposed for WLAN and 5G Wi-Fi applications.
Xuemei Zheng, Ziwei Zhao, Yuwen Pan
doaj   +1 more source

An Evaluation of Distortion and Interference Sources originating Within a Millimeter-wave MIMO Testbed for 5G Communications

open access: yes, 2018
This paper presents an evaluation of distortion and interference sources, namely, the harmonic distortion and antenna crosstalk, originating within a 2 x 2 millimeter-wave (mm-wave) multiple-input-multiple-output (MIMO) testbed.
Buisman, Koen   +3 more
core   +1 more source

MIMO System Setup and Parameter Estimation [PDF]

open access: yes, 2008
There is a rat race in wireless communication to achieve higher spectral efficiency. One technique to achieve this is the use of multiple antenna systems i.e. MIMO systems.
Schiphorst, R.   +3 more
core   +2 more sources

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