IEEETRANSACTIONSONVEHICULARTECHNOLOGY,VOL.66,NO.2,FEBRUARY20171865
VI.CONCLUSION
PerformanceAnalysisofNeighborDiscoveryProcessin
BluetoothLow-EnergyNetworks
Thispaperhasproposedanear-optimalSCS-basedsignaldetector
withlowcomplexityforthemassiveSM-MIMO.First,thegrouped
WhaSookJeon,SeniorMember,IEEE,MadeHartaDwijaksara,
transmissionschemecanintroducethedesiredstructuredsparsityof
andDongGeunJeong,SeniorMember,IEEE
multipleSMsignalsinthesametransmissiongroupforimprovedsignal
detectionperformance.Second,theSSPalgorithmcanjointlydetect
multipleSMsignalswithlowcomplexity.Third,byusingSMsignalin-
terleaving,wecanfullyexploitthechanneldiversitytofurtherimprove
Abstract—TosupportvariousInternetofThings(IoT)applications,the
thesignaldetectionperformance,andthegainfromSMsignalinter-
BluetoothLowEnergy(BLE)standardspeci?esawiderangeofparameter
leavingcanapproachthatoftheidealcaseofmutuallyindependentvaluesfortheneighbordiscoveryprocess(NDP).Theparametervalues
usedduringneighbordiscoverydirectlyaffecttheperformanceoftheNDP.
channelmatricesinthesametransmissiongroup.Moreover,wehave
Therefore,anoptimalparametersettingisessentialtoachievethebest
quanti?edthegainfromSMsignalinterleaving.Simulationresults
tradeoffbetweendiscoverylatencyandenergyconsumption.Ananalytical
havecon?rmedthenear-optimalperformanceoftheproposedscheme.
modelcanofferabene?cialguidelineforsuchaparameterselection.In
thispaper,weproposeageneralmodelforanalyzingtheperformanceof
NDPinBLEnetworks.Inthemodel,theoperationsofthescannerandthe
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December11,2015;acceptedApril13,2016.DateofpublicationApril25,
2016;dateofcurrentversionFebruary10,2017.Thisworkwassupportedby
theNationalResearchFoundationofKoreafundedbytheKoreanGovernment
(MSIP)underGrant2015R1A5A7037372.Thereviewofthispaperwas
coordinatedbyDr.M.Dianata.
W.S.JeonandM.H.DwijaksaraarewiththeDepartmentofComputerSci-
enceandEngineering,SeoulNationalUniversity,Seoul151-742,SouthKorea
(e-mail:wsjeon@snu.ac.kr;made.harta@mccl.snu.ac.kr).
D.G.JeongiswiththeDepartmentofElectronicsEngineering,Hankuk
UniversityofForeignStudies,Yongin449-791,Korea(e-mail:dgjeong@hufs.
ac.kr).
Colorversionsofoneormoreofthe?guresinthispaperareavailableonline
athttp://ieeexplore.ieee.org.
DigitalObjectIdenti?er10.1109/TVT.2016.2558194
0018-9545?2016IEEE.Personaluseispermitted,butrepublication/redistributionrequiresIEEEpermission.
Seehttp://www.ieee.org/publications_standards/publications/rights/index.htmlformoreinformation. |
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