Lembaga Ilmu Pengetahuan Indonesia Indonesian Institute of Sciences http://lipi.go.id Millimeter-Wave Wireless Systems during Severe Weather Conditions in ASEAN Regions Y.N. Wijayanto, A. Kanno, T. Kawanishi, Indonesia Institute of Sciences, Indonesia Natl. Ins. Information and Communication Tech., Japan Waseda University, Japan Invitation to jointly develop a proposal for ASEAN-IVO
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LembagaIlmuPengetahuanIndonesiaIndonesianInstituteofSciences
http://lipi.go.id
Millimeter-WaveWirelessSystemsduringSevereWeatherConditionsinASEANRegionsY.N.Wijayanto,A.Kanno,T.Kawanishi,IndonesiaInstituteofSciences,IndonesiaNatl.Ins.InformationandCommunicationTech.,JapanWasedaUniversity,Japan
InvitationtojointlydevelopaproposalforASEAN-IVO
Microwave for 4G Mobile
Ericsson,MicrowaveenablesLTEinremoteareashttps://www.ericsson.com/en/networks/cases/microwave-enables-lte-in-remote-areas
• Upto1–2Gbit/s• Distance>10kmSuitableforbackhaullinkfor4GLTEPros.:• ConservativetechnologiesCons.• Largedish(heavyweight)• Lowspeed
Key 5G Components
Millimeter-Wave Supporting for 5G Mobiles
D. Gentina, “Backhaul Challenges & Evolution Trends: THE Role of mmW,” ETSI ISG mWT meeting, Nov. 2017
Millimeter-Wave Equipment
NECCorp.• E-band(71-76,81-86GHz)• 10Gbit/sbysingleantenna• 20Gbit/sbydualantennas
Antennadishsize:<30cmWeight:<6kgi.e.)6GHzFWS• Dishsize:>2m• Weight:>10kg
Application of Millimeter-Wave to ASEAN Region Millimeter-waveradioscanbestronglyaffectedbyweatherconditions.• Rain(watervaporsanddrops)increasesattenuation.• Strongwindinducesvibrationoftheantennas.
ASEANregion:• Tropicalclimate• Indochinapeninsula:Savannahclimatebymonsoon
Heavyrain(rainfall>100mm/h)Squall(windspeed>11m/s)Typhoon/cyclone
SevereWeatherCondition
On-Going ASEAN-IVO Project “R&Donshort-distancecommunicationandimagingforapplicationsinASEANregion(FY2016-2018)”PI:Prof.VoNguyenQuocBao,PTIT,VietnamRelatedresearchitems:• EvaluationofmmWavecommunicationsystemsformetro-trainsystems(PTIT,NICT)• EmpiricalstudyofmicrowaveFWSinsevereweatherconditions(PT.TelkomIndonesia,LIPI)• StudyonElectro-OpticDevicesformillimeter-waveapplications(LIPI,NICT)
Results: 90GHz field trial in PTIT HCMC, Vietnam
406080
0,1 1 10 100Path
loss
(d
B)
Distance (m)
Deduction:Outdoorandlong-term(>amonth)evaluationsaredemanded.
Empirical study of microwave propagation • Indonesiahasatropicalclimate.Therearetwoseasons.ThedryseasonwithwindsblowingfromtheAustraliaContinent,lastsfromMarchtoAugustandthewetseasoninfluencedbywindsfromtheAsianContinentandthePacificOceanlastsfromSeptembertoMarchwiththeheaviestrainfallusuallyfromNovembertoFebruary.• Averageannualprecipitationvariesbyarea.Theaverageannualprecipitation(mm/year)forthemajorislandsispresentedbelow：• Sumatra:2600• Java:2600• NusaTenggara:1500• Kalimantan:2800• Sulawesi:2100• Maluku:2200• Papua:3200• Total:2700
Electro-Optic Devices for Millimeter-Wave Application
Atmospheric Attenuation
0,1
1
10
100
0 50 100 150 200 250 300
Atm
osph
eric
atte
nuat
ion
(dB
/km
)
Frequency (GHz)
TheFederalCommunicationsCommission(FCC)ruledthatspectrumat71to76GHz,81to86GHzand92to95GHzwas
availableforhigh-densityfixedwirelessservices
Rain Attenuation
Source:E-bandcommunicationshttps://www.e-band.com/index.php?id=86
Rainfallrateexceeded>0.01%
Rec.ITU-RP.837-7:Characteristicsofprecipitationforpropagationmodelling
Rainfallaffectthemillimeter-wavepropagationASEANRegionshaveheavyrainfallrate
Strong Wind Condition Windinducesvibrationofpolesandantennas=>Linkgaindegradation
Fromon-goingstandardizationdocuments:APT/AWG-24TMP-02inTG-FWS
Research Plan • Experimentalevaluationofmillimeter-wavetransmissioninthefield• Round-robintestinASEANregion(Indonesia,Malaysia,Thailand,Vietnam,andsoon• Applicationstudyforhigh-speedinternetconnectionandbackendnetworkforhigh-precisionradarsystem.• SupportingadocumentforstandardizationinAWG,APT,ITUmeeting
Possiblecollaborators:• Millimeter-Waveequipmentvendor:NECJapan,HitachiKokusaiElectricJapan
• Researchinstitute:LIPI,UTMMalaysia,MieUniv.Japan,Thailand,Vietnam,TelkomIndonesia,LAPANIndonesia
Collaborator Candidate • Millimeter-Waveequipmentvendor:• NECJapan• HitachiKokusaiElectricJapan
• Researchinstitute:• LIPIIndonesia• NICTJapan• UTMMalaysia• MieUniv.Japan• CUThailand• PTITVietnam• PTTelkomIndonesia• LAPANIndonesia
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