International Journal of Antennas and Propagation Wideband, Multiband, Tunable, and Smart Antenna Systems for Mobile and UWB Wireless Applications 2016 Guest Editors: Renato Cicchetti, Antonio Faraone, Diego Caratelli, and Massimiliano Simeoni Wideband, Multiband, Tunable, and Smart Antenna Systems for Mobile and UWB Wireless Applications 2016 International Journal of Antennas and Propagation Wideband, Multiband, Tunable, and Smart Antenna Systems for Mobile and UWB Wireless Applications 2016 GuestEditors:RenatoCicchetti,AntonioFaraone,DiegoCaratelli, and Massimiliano Simeoni Copyright©2017HindawiPublishingCorporation.Allrightsreserved. Thisisaspecialissuepublishedin“InternationalJournalofAntennasandPropagation.”Allarticlesareopenaccessarticlesdistributed undertheCreativeCommonsAttributionLicense,whichpermitsunrestricteduse,distribution,andreproductioninanymedium,pro- videdtheoriginalworkisproperlycited. Editorial Board AnaAlejos,Spain FranciscoFalcone,Spain N.Nasimuddin,Singapore MohammodAli,USA MiguelFerrandoBataller,Spain MiguelNavarro-Cia,UK JaumeAnguera,Spain FlaminioFerrara,Italy MouradNedil,Canada RodolfoAraneo,Italy VincenzoGaldi,Italy SymeonNikolaou,Cyprus AlexeiAshikhmin,USA ClaudioGennarelli,Italy GiacomoOliveri,Italy HerveAubert,France FaridGhanem,Algeria PabloOtero,Spain PaoloBaccarelli,Italy SotiriosK.Goudos,Greece A.D.Panagopoulos,Greece XiulongBao,Ireland RoccoGuerriero,Italy IkmoPark,RepublicofKorea ToniBjörninen,Finland KerimGuney,Turkey JosepParrón,Spain StefaniaBonafoni,Italy SongGuo,Japan MatteoPastorino,Italy DjuradjS.Budimir,UK MohamedHimdi,France MassimilianoPieraccini,Italy PaoloBurghignoli,Italy TamerS.Ibrahim,USA XianmingQing,Singapore ShahNawazBurokur,France M.T.Islam,Malaysia AhmadSafaai-Jazi,USA GiuseppeCastaldi,Italy M.R.Kamarudin,Malaysia S.Safavi-Naeini,Canada LucaCatarinucci,Italy SlawomirKoziel,Iceland M.Salazar-Palma,Spain FelipeCátedra,Spain LuisLandesa,Spain StefanoSelleri,Italy MartaCavagnaro,Italy Ding-BingLin,Taiwan PrabhakarSingh,India DebChatterjee,USA AngeloLiseno,Italy RaffaeleSolimene,Italy ShihYuanChen,Taiwan P.Lombardo,Italy GinoSorbello,Italy YuJianCheng,China GiampieroLovat,Italy Seong-YoupSuh,USA RenatoCicchetti,Italy LorenzoLuini,Italy ShengSun,HongKong RiccardoColella,Italy AtsushiMase,Japan LarbiTalbi,Canada LorenzoCrocco,Italy DiegoMasotti,Italy LucianoTarricone,Italy ClaudioCurcio,Italy C.F.Mecklenbräuker,Austria ParveenWahid,USA F.D’Agostino,Italy MassimoMigliozzi,Italy Wen-QinWang,China M.ElenadeCosGómez,Spain A.T.Mobashsher,Australia ShiwenYang,China TayebA.Denidni,Canada AnandaS.Mohan,Australia YuanYao,China GiuseppeDiMassa,Italy J.-M.Molina-Garcia-Pardo,Spain JingjingZhang,Denmark MicheleD’Urso,Italy GiorgioMontisci,Italy HalaA.Elsadek,Egypt MarcoMussetta,Italy Contents Wideband,Multiband,Tunable,andSmartAntennaSystemsforMobileandUWBWireless Applications2016 RenatoCicchetti,AntonioFaraone,DiegoCaratelli,andMassimilianoSimeoni Volume2017,ArticleID1425263,3pages WidebandandUWBAntennasforWirelessApplications:AComprehensiveReview RenatoCicchetti,EmanuelaMiozzi,andOrlandinoTesta Volume2017,ArticleID2390808,45pages SmartCylindricalDomeAntennaBasedonActiveFrequencySelectiveSurface TongyuDing,ShaoqingZhang,LiangZhang,andYanhuiLiu Volume2017,ArticleID5901625,14pages ImpactonAntijammingPerformanceofChannelMismatchinGNSSAntennaArraysReceivers ZukunLu,JunweiNie,FeiqiangChen,andGangOu Volume2016,ArticleID1909708,9pages ACompactNovelThree-PortIntegratedWideandNarrow BandAntennasSystemforCognitiveRadio Applications N.AnveshKumarandA.S.Gandhi Volume2016,ArticleID2829357,14pages DesignandPerformanceAnalysisofMISO-ORM-DCSKSystemoverRayleighFadingChannels GangZhang,ChuangangWang,GuoquanLi,andJinzhaoLin Volume2016,ArticleID8459109,8pages Wideband,Low-Profile,Dual-PolarizedSlotAntennawithanAMCSurfaceforWireless Communications WeiHu,Rui-NaLian,Zhao-YangTang,andYing-ZengYin Volume2016,ArticleID7641382,8pages DielectricResonatorAntennas:BasicConcepts,DesignGuidelines,andRecentDevelopmentsat Millimeter-WaveFrequencies S.KeyrouzandD.Caratelli Volume2016,ArticleID6075680,20pages AMultibandProximity-Coupled-FedFlexibleMicrostripAntennaforWirelessSystems GiovanniAndreaCasula,PaoloMaxia,GiorgioMontisci,GiuseppeValente,GiuseppeMazzarella,and ToninoPisanu Volume2016,ArticleID8536058,7pages On-BodyCharacterizationofPlanarDifferentialAntennasforMultiple,Wide,andNarrowBands LuigiVallozzi,DomenicoPepe,ThijsCastel,HendrikRogier,andDomenicoZito Volume2016,ArticleID7439403,9pages Band-NotchedUWBAntennawithSwitchableandTunablePerformance WeiWu,Yun-BoLi,Rui-YuanWu,Chuan-BoShi,andTie-JunCui Volume2016,ArticleID9612987,6pages AWidebandAntennawithCircularandRectangularShapedSlotsforMobilePhoneApplications Wei-HuaZong,Xiao-MeiYang,XiaXiao,Shan-DongLi,Xiang-YangWei,Zhe-JunJin,andXiao-YunQu Volume2016,ArticleID2975425,9pages ASmallPlanarAntennafor4GMobilePhoneApplication HuJian-rong,LiJiu-sheng,andWuDi Volume2016,ArticleID4791831,7pages ANovelDual-BandCircularlyPolarizedRectangularSlotAntenna BiaoLi,YangDing,andYing-ZengYin Volume2016,ArticleID9071610,8pages HHiinnddaawwii IInntteerrnnaattiioonnaall JJoouurrnnaall ooff AAnntteennnnaass aanndd PPrrooppaaggaattiioonn VVoolluummee 22001177,, AArrttiiccllee IIDD 11442255226633,, 33 ppaaggeess hhttttpp::////ddxx..ddooii..oorrgg//1100..11115555//22001177//11442255226633 Editorial Wideband, Multiband, Tunable, and Smart Antenna Systems for Mobile and UWB Wireless Applications 2016 RenatoCicchetti,1AntonioFaraone,2DiegoCaratelli,3,4andMassimilianoSimeoni5 1DepartmentofInformation,ElectronicandTelecommunicationEngineering,UniversityofRome“LaSapienza”,Rome,Italy 2ChiefTechnologyOffice,MotorolaSolutionsInc.,FortLauderdale,FL,USA 3TheAntennaCompany,Eindhoven,Netherlands 4TomskPolytechnicUniversity,Tomsk,Russia 5EuropeanSpaceAgency,ESA-ESTEC,Keplerlaan,Noordwijk,Netherlands CorrespondenceshouldbeaddressedtoRenatoCicchetti;[email protected] Received 14 February 2017; Accepted 14 February 2017; Published 5 March 2017 Copyright©2017RenatoCicchettietal. This is an open access article distributed under the Creative Commons Attribution License,whichpermitsunrestricteduse,distribution,andreproductioninanymedium,providedtheoriginalworkisproperly cited. 1.Introduction ofcomplexityinthedesignandimplementationofantenna systems and relevant radio-frequency (RF) front-ends in Duetoexceptionallyhighdataratesattainablewithmodern wireless terminals has grown dramatically, requiring highly wireless communication systems and the app-based use innovativesolutions. paradigm, wireless connectivity through multiple and even This special issue is intended to reflect current research diverse air interfaces has become a common requirement trends and novel approaches in the analysis and synthesis in the RF architecture of mobile communication devices. of antenna systems and associated RF front-ends for next Modernwirelessdevicesfrequentlyincorporatefiveormore generationsofmobilecommunicationdevices,applicableto antennastoenablecellularvoice,videoanddata,Wi-Fi,and various device forms such as smartphones, tablets, laptops, GPS connectivity, across multiple bands. Multiple antenna and wearable computers, as well as for UWB communi- systems are frequently designed to implement diversity or cation systems and radars, including the ones adopted in spatial multiplexing schemes, as in the case of WCDMA the automotive industry. Particular emphasis has been put and LTE, to increase resiliency and capacity of wireless in the analysis and design of broadband, multiband, and links,andtooperatemultiplevoice/datalinkssimultaneously. reconfigurableantennasforwirelessandUWBapplications, Carrier aggregation is demanding that multiple cellular aswellasintheidentificationofspecialmaterialsandantenna bands are to be served simultaneously. Concurrently, ultra- integrationtechniqueswiththehostplatforms.Specialeffort wideband(UWB)systemsusedinshort-rangecommunica- hasbeendevotedtothecharacterizationoftheradiochannel tions, remote sensing, and through-the-wall radar imaging andtotheimprovementofthequalityofservice.Thespecial have introduced a new paradigm in the antenna design issueconsistsof13contributionsthatcanbedividedintothe where the mitigation of pulse distortion is of the essence, following6topics. thus requiring a shift in antenna design approach and the introduction of novel compact radiating systems. More- over,vehicularcommunicationsystems,inordertoprovide 2.ContributionstoBroad-and safety warnings and traffic information, employ dedicated MultibandingTechniques short-range communication devices that are intended to be used in vehicle-to-vehicle and vehicle-to-infrastructure In “A Compact Novel Three-Port Integrated Wide and communications, thereby enabling the use of cloud-based NarrowBandAntennasSystemforCognitiveRadioApplica- applications.Followingthesetrendsofthemarket,thelevel tions,”byN.A.KumarandA.S.Gandhi,theauthorspresent 2 InternationalJournalofAntennasandPropagation thedesignandrealizationofathree-portradiatingstructure, In “Dielectric Resonator Antennas: Basic Concepts, integrating wide- and narrow-band antennas for cognitive DesignGuidelines,andRecentDevelopmentsatMillimeter- radioapplications.TheradiatingsystemconsistsofanUWB Wave Frequencies,” by S. Keyrouz and D. Caratelli, the antenna for spectrum sensing, as well as two narrow-band authors present an up-to-date literature overview of the antennasforwirelesscommunicationintegratedonthesame most effective design approaches for controlling circuital substrate.Inparticular,thefirstnarrow-bandantennacovers characteristics and radiation properties of dielectric res- the frequency band between 8.78GHz and 9.23GHz, while onatorantennas(DRAs).ThemainadvantagesofDRAsare thesecondonecoversthefrequencybandbetween7.33GHz discussed in detail, with special emphasis put on the most and7.7GHzandthefrequencybandbetween9.23GHzand advanced techniques for antenna feeding, size reduction, 9.82GHz,respectively. and gain enhancement. In this way, guidance is given to In“ANovelDual-BandCircularlyPolarizedRectangular RF front-end designers in the selection of different DRA Slot Antenna,” by B. Li et al., the authors present a dual- topologiesusefulforachievingdesiredperformanceinterms bandcircularlypolarizedantennaconsistingofarectangular of bandwidth, radiation pattern, polarization, and ease of metalframe,actingasaground,andanS-shapedmonopole integrationwiththehostplatform.Inparticular,advancesin workingasaradiator.Thecircularpolarizationisobtainedby theapplicationofDRAtechnologyatmm-wavefrequencies meansofasuitabledesignoftheS-shapedmonopoleandof havebeenpresented,andthemostrecentimplementationof theexternalmetallicframe.Theantennacoversthefrequency on-chip and off-chip DRAs has been reviewed. It has been bands2.39–2.81GHzand5.42–5.92GHzand,therefore,can shownthatsilicon-basedDRAsrealizedwithstandardCMOS beconvenientlyappliedinWLANandWiMAXapplications. process are characterized by good efficiency and gain, thus In “On-Body Characterization of Planar Differential provingthegoodpotentialofDRAsforupcoming5Gcom- Antennas for Multiple, Wide, and Narrow Bands” by L. munications,aswellashigh-resolutionradarapplications. Vallozzi at al., the authors present the results of on-body experimentaltestsofasetoffourplanardifferentialantennas 4.ContributionstoSmartAntennas with optimized layout of the radiating arms. It is observed In “Smart Cylindrical Dome Antenna Based on Active thattheperformanceoftheconsideredantennasisacceptable Frequency Selective Surface,” by T. Ding et al., the authors whentheyareplacedatadistanceof15mmfromthechest present a highly agile, electronically steerable active smart area of a human body. Therefore, they can be employed dome antenna. The radiating structure is composed of an successfully in short-range off-body communications, as active dipole antenna surrounded by 16 strips with active well as for the monitoring of vital signs, or body area frequency selective surfaces forming a dome. The response networkapplications.Finally,itisobservedthattheproposed ofthefrequencyselectivesurfacesiscontinuouslytunedby antennascancoverseveralfrequencybandsofinterests,such varying the bias voltages of suitable varactors. In this way, as the lower portion of the UWB range from 3 to 5GHz, somestripsintegratedinthedomecanbebiasedinorderto the 868MHz and 2.45GHz ISM bands, and the 1.2GHz becomereflective,whileotherstripsaretunedsoastofocus band(lowerL-band)forGlobalPositioningandNavigation theelectromagneticenergyattheboresight,thusenablingthe SatelliteSystem(GNSS),aswellastheUltrahighFrequency coverageofthecompleteangularrange. (UHF)bandat915MHzforRadio-FrequencyIdentification (RFID). In “Band-Notched UWB Antenna with Switchable and TunablePerformance,”byW.Wuetal.,theauthorspresent a novel UWB antenna with switchable and tunable notch 3.ContributionstoAntennasfor bands. The antenna consists of a circular UWB monopole WidebandandUWBApplications printedonatrapezoidalgroundplane.Theradiatingstruc- tureisintegratedwithtwofilterswhosefrequencybehavior In“WidebandandUWBAntennasforWirelessApplications: iselectronicallycontrolledbyPINandvaractordiodes.The AComprehensiveReview,”byR.Cicchettietal.,theauthors PINdiodesareusedtocontroltheswitchbetweenthelower presentacomprehensivereviewconcerningthegeometry,the (centered at about 4.5GHz) and upper (centered at about manufacturingtechnologies,thematerials,andthenumeri- 6GHz)notchfrequencybands,whilethevaractorsareused caltechniques,adoptedfortheanalysisanddesignofwide- totunethefiltersintheindividualbands. band and UWB antennas for wireless applications. Planar, printed, dielectric, and wearable antennas, achievable on 5.ContributionstoAntennasfor laminate(rigidandflexible)andtextiledielectricsubstrates, MobilePhones areconsidered.Theperformancesofsmall,low-profile,and dielectricresonatorantennasareillustratedpayingparticular In “A Small Planar Antenna for 4G Mobile Phone Appli- attentiontotheapplicationareasconcerningportabledevices cation” by H. Jian-rong et al., the authors present the (mobile phones, tablets, laptops, wearable computers, etc.) analysis and design of a small planar multiband antenna andradiobasestations.Thisinformationprovidesaguidance operating in the 4G frequency bands. The antenna consists totheselectionofthedifferentantennatypesdependingon of two horizontal-U rings, a shorting line, and a ground required bandwidth, gain, field polarization, time-domain plane printed on a commercial FR4 substrate. The antenna response, dimensions, and materials, as well as on the satisfies the requirement of 6dB return loss across the constraintsrelatedtothehostplatform. LTE700/LTE2300/LTE2500andWiMAX3500bands. InternationalJournalofAntennasandPropagation 3 In“AWidebandAntennawithCircularandRectangular system, named Orthogonality-Based Reference Modulated- ShapedSlotsforMobilePhoneApplications,”byW.-H.Zong DifferentialChaosShiftKeying(ORMDCSK),toenhancethe etal.,theauthorspresentawidebandslotantennaformobile performanceofRM-DCSK.Itisdemonstratedthatbyusing phone applications. The antenna is composed of two slots. anorthogonalchaoticgeneratortheintrasignalinterference The main slot, whose shape is a combination of a rectangle components existing in RM-DCSK are eliminated. More- and a circle, presents small size, while an additional slot over, it is shown that the proposed system shows excellent having rectangular shape is employed to excite a resonance agreementbetweentheoreticalexpressionsandMonteCarlo at higher frequencies. The two slots are fed with a bent simulations,whileexhibitingasignificantBERimprovement. shape structure to obtain wideband impedance matching characteristics.Themeasurementsperformedonanantenna Acknowledgments prototypeconfirmthattheproposedantennasolutioncovers theLTE700/2300/2500,GSM850/900/1800/1900,andUMTS The editors would like to express their gratitude to the bandswithnearlyomnidirectionalradiationpatterns. authors and the anonymous reviewers for their efforts and contributions to this special issue. As a final word to our readers,aftercompilingthissetofpapers,webelievethatit 6.ContributionstoSubstrates,Special givesagoodandcurrentoverviewoftheselectedtopics.We Materials,andFabricationTechniques hopeyouwillenjoyreadingthisyear’sspecialissueasmuch aswehaveenjoyedputtingittogether. In “Wideband, Low-Profile, Dual-Polarized Slot Antenna RenatoCicchetti withanAMCSurfaceforWirelessCommunications,”byW. AntonioFaraone Huetal.,theauthorspresentawidebanddual-polarizedslot DiegoCaratelli antennaloadedwithanartificialmagneticconductor(AMC) MassimilianoSimeoni for WLAN/WiMAX and LTE applications. The antenna structureconsistsoftwopairsofarrow-shapedslotsrealized along the diagonals of a square patch. Two orthogonal stepped microstrip feedlines are used to excite horizontal andverticalfieldpolarization,independently,whileanAMC surfacecomposedof7×7unitcellsisemployedtoachieve unidirectionalradiationpatterns. In “A Multiband Proximity-Coupled-Fed Flexible Mi- crostripAntennaforWirelessSystems,”byG.A.Casulaetal., theauthorspresentamultibandprintedmicrostripantenna forwirelesscommunications.Theantenna,whichconsistsof proximity-coupled annular rings printed on a flexible sub- strate, can coverboththe WLANfrequencies(bothS-band at2.45GHzandC-bandat5.2GHz)andWiMAXfrequency at 3.5GHz. The considered antenna can be also employed forvehicle-to-vehicle(V2V)andVehicle-to-Roadside(V2R) communications, relying on Wireless Access in Vehicular Environments (WAVE)/Dedicated Short-Range Communi- cation (DSRC) based on Intelligent Transportation System (ITS). 7.ContributionstoChannelModelingand SystemDesign In “Impact on Antijamming Performance of Channel Mis- match in GNSS Antenna Arrays Receivers” by Z. Lu et al., theauthorsanalyzetheimpactonantijammingperformance ofchannelmismatchinGNSSantennaarraysreceivers.The characteristicsofchannelmismatchandimpactofmismatch levelarestudiedthroughtheoreticalanalysisandsimulation experiments.Todeterminetheantijammingperformanceof an antenna array the concept of channel mismatch impact factorisintroduced. In “Design and Performance Analysis of MISO-ORM- DCSKSystemoverRayleighFadingChannels,”byG.Zhang et al., the authors present a novel chaotic communication
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