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A periodic surface is an assembly of identical elements arranged in a one or two-dimensional array. Such surfaces have various effects on incident electromagnetic waves. Their applications range from antennas to stealth aircraft.This book discusses finite antenna arrays and how to minimize the radar cross section of these arrays. "Ben has been the world-wide guru of this technology...Ben Munk has written a book that represents the epitomy of practical understanding." W. Bahret, United States Air Force Frequency selective surfaces (FSSs) have important military and civilian applications including antenna theory, satellite communications and stealth technology Author is an authory on the subject, having been instrumental in the development of stealth technology for the US Air Force Much of the material in this book was deemed classified due to its importance to defence.

Microwave antennas. --- Antenna arrays. --- Frequency selective surfaces.

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A periodic surface is an assembly of identical elements arranged in a one or two-dimensional array. Such surfaces have various effects on incident electromagnetic waves. Their applications range from antennas to stealth aircraft. This book discusses finite antenna arrays and how to minimize the radar cross section of these arrays. "Ben has been the world-wide guru of this technology...Ben Munk has written a book that represents the epitomy of practical understanding." W. Bahret, United States Air Force Frequency selective surfaces (FSSs) have important military and civilian applications including antenna theory, satellite communications and stealth technology Author is an authority on the subject, having been instrumental in the development of stealth technology for the US Air Force Much of the material in this book was deemed classified due to its importance to defense.

Microwave antennas. --- Antenna arrays. --- Frequency selective surfaces. --- Electrical Engineering --- Electrical & Computer Engineering --- Engineering & Applied Sciences

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In this new book, we present a collection of the advanced developments in reconfigurable antennas and metasurfaces. It begins with a review of reconfigurability technologies, and proceeds to the presentation of a series of reconfigurable antennas, UWB MIMO antennas and reconfigurable arrays. Then, reconfigurable metasurfaces are introduced and the latest advances are presented and discussed.

reconfigurable antenna --- smartphone --- slot antenna --- sub-6G --- band rejected --- envelope correlation co-efficient --- four element MIMO --- polarization diversity --- ultra-wideband multiple input multiple output --- antenna array --- aperiodic array --- full wave analysis --- particle swarm optimization --- reconfigurable antenna arrays --- solid state switches --- RF switching --- magnetic particles --- magnetostatic responsive structures (MRSs) --- wideband reconfigurable antennas --- new feeding techniques --- dual polarization --- multifrequency antennas --- supershape --- reconfigurable antennas --- surface wave array antenna --- metasurface ground plane --- low-profile --- square-ring antennas --- van Atta reflector --- RCS reduction --- structural mode scattering --- metasurfaces --- polarization reconfigurability --- leaky waves --- combo-reconfigurable --- frequency and radiation pattern --- 5G --- millimeter waves --- mobile communication --- flexible antennas --- frequency reconfigurable --- microfluidic antennas --- pattern reconfigurable --- polarization reconfigurable --- wearable antennas --- active FSS --- C-band --- frequency-selective surface (FSS) --- spatial filters --- switchable --- X-band --- smart devices --- antenna boosters --- multiband antennas --- small antennas --- wireless devices --- matching networks --- digitally tunable capacitors --- n/a

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Multiple-input, multiple-output (MIMO), which transmits multiple data streams via multiple antenna elements, is one of the most attractive technologies in the wireless communication field. Its extension, called ‘massive MIMO’ or ‘large-scale MIMO’, in which base station has over one hundred of the antenna elements, is now seen as a promising candidate to realize 5G and beyond, as well as 6G mobile communications. It has been the first decade since its fundamental concept emerged. This Special Issue consists of 19 papers and each of them focuses on a popular topic related to massive MIMO systems, e.g. analog/digital hybrid signal processing, antenna fabrication, and machine learning incorporation. These achievements could boost its realization and deepen the academic and industrial knowledge of this field.

History of engineering & technology --- Energy industries & utilities --- distributed massive MIMO --- phase noise --- amplified thermal noise --- spectral efficiency --- 5G --- massive MIMO --- computational efficiency --- precoding algorithms --- channel estimation --- far-field --- antenna array --- diagnosis procedure --- noisy data --- BCS --- millimeter-wave --- energy efficiency --- pilot contamination --- quantization noise --- massive multi-input multi-output (MIMO) --- distributed antenna systems (DAS) --- sounding reference signal (SRS) --- Massive MIMO --- pilot decontamination --- MSE --- dynamic user scheduling --- dynamic pilot allocation --- beamforming --- line-of-sight --- Ricean fading --- frequency-selective --- power scaling --- hybrid beamforming --- HetNets --- mmWaves --- analog multi-beam --- hybrid beam-forming --- PHY layer --- MAC layer --- pilot assignment --- large-scale fading coefficients --- Bayesian inference --- overcomplete dictionary --- diamond-ring slot --- dual-polarized antenna --- mobile-phone antenna --- pattern diversity --- Metamaterials (MTM) --- leaky-wave antenna (LWA) --- antenna arrays --- substrate integrated waveguide (SIW) --- transverse slots --- beam-scanning --- mutual coupling isolation --- millimetre-wave --- composite right/left-handed transmission line (CRLH-TL) --- 5G wireless networks --- non-coherent detection --- QAM --- multi-user MIMO --- space division multiple access (SDMA) --- block diagonalization (BD) --- non-orthogonal multiple access (NOMA) --- broadcast channel --- discontinuous deception --- multiple beam communications --- artificial intelligence --- wireless communications --- non-orthogonal unicast and multicast transmission --- statistical channel state information --- beam domain --- massive MIMO systems --- MIDE algorithm --- low computational complexity --- BER --- resource allocation --- distributed massive MIMO --- phase noise --- amplified thermal noise --- spectral efficiency --- 5G --- massive MIMO --- computational efficiency --- precoding algorithms --- channel estimation --- far-field --- antenna array --- diagnosis procedure --- noisy data --- BCS --- millimeter-wave --- energy efficiency --- pilot contamination --- quantization noise --- massive multi-input multi-output (MIMO) --- distributed antenna systems (DAS) --- sounding reference signal (SRS) --- Massive MIMO --- pilot decontamination --- MSE --- dynamic user scheduling --- dynamic pilot allocation --- beamforming --- line-of-sight --- Ricean fading --- frequency-selective --- power scaling --- hybrid beamforming --- HetNets --- mmWaves --- analog multi-beam --- hybrid beam-forming --- PHY layer --- MAC layer --- pilot assignment --- large-scale fading coefficients --- Bayesian inference --- overcomplete dictionary --- diamond-ring slot --- dual-polarized antenna --- mobile-phone antenna --- pattern diversity --- Metamaterials (MTM) --- leaky-wave antenna (LWA) --- antenna arrays --- substrate integrated waveguide (SIW) --- transverse slots --- beam-scanning --- mutual coupling isolation --- millimetre-wave --- composite right/left-handed transmission line (CRLH-TL) --- 5G wireless networks --- non-coherent detection --- QAM --- multi-user MIMO --- space division multiple access (SDMA) --- block diagonalization (BD) --- non-orthogonal multiple access (NOMA) --- broadcast channel --- discontinuous deception --- multiple beam communications --- artificial intelligence --- wireless communications --- non-orthogonal unicast and multicast transmission --- statistical channel state information --- beam domain --- massive MIMO systems --- MIDE algorithm --- low computational complexity --- BER --- resource allocation

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Multiple-input, multiple-output (MIMO), which transmits multiple data streams via multiple antenna elements, is one of the most attractive technologies in the wireless communication field. Its extension, called ‘massive MIMO’ or ‘large-scale MIMO’, in which base station has over one hundred of the antenna elements, is now seen as a promising candidate to realize 5G and beyond, as well as 6G mobile communications. It has been the first decade since its fundamental concept emerged. This Special Issue consists of 19 papers and each of them focuses on a popular topic related to massive MIMO systems, e.g. analog/digital hybrid signal processing, antenna fabrication, and machine learning incorporation. These achievements could boost its realization and deepen the academic and industrial knowledge of this field.

distributed massive MIMO --- phase noise --- amplified thermal noise --- spectral efficiency --- 5G --- massive MIMO --- computational efficiency --- precoding algorithms --- channel estimation --- far-field --- antenna array --- diagnosis procedure --- noisy data --- BCS --- millimeter-wave --- energy efficiency --- pilot contamination --- quantization noise --- massive multi-input multi-output (MIMO) --- distributed antenna systems (DAS) --- sounding reference signal (SRS) --- Massive MIMO --- pilot decontamination --- MSE --- dynamic user scheduling --- dynamic pilot allocation --- beamforming --- line-of-sight --- Ricean fading --- frequency-selective --- power scaling --- hybrid beamforming --- HetNets --- mmWaves --- analog multi-beam --- hybrid beam-forming --- PHY layer --- MAC layer --- pilot assignment --- large-scale fading coefficients --- Bayesian inference --- overcomplete dictionary --- diamond-ring slot --- dual-polarized antenna --- mobile-phone antenna --- pattern diversity --- Metamaterials (MTM) --- leaky-wave antenna (LWA) --- antenna arrays --- substrate integrated waveguide (SIW) --- transverse slots --- beam-scanning --- mutual coupling isolation --- millimetre-wave --- composite right/left-handed transmission line (CRLH-TL) --- 5G wireless networks --- non-coherent detection --- QAM --- multi-user MIMO --- space division multiple access (SDMA) --- block diagonalization (BD) --- non-orthogonal multiple access (NOMA) --- broadcast channel --- discontinuous deception --- multiple beam communications --- artificial intelligence --- wireless communications --- non-orthogonal unicast and multicast transmission --- statistical channel state information --- beam domain --- massive MIMO systems --- MIDE algorithm --- low computational complexity --- BER --- resource allocation --- n/a