Imwe tsananguro yeNouns:
RET: Remote Electrical Tiling
RCU: Remote Control Unit
CCU: Central Control Unit
- Mechanical uye magetsi tuning antennas
1.1 Mechanical downtilt inoreva kugadziridzwa kwakatwasuka kwekona yeantenna yekuchinja danda kufukidzwa.Kudzika kwemagetsi kunoreva kushandura nzvimbo yekuvhara danda nekushandura chikamu cheantenna pasina kushandura chimiro cheantenna.
1.2 Nheyo dzeMagetsi tuning antenna kugadzirisa.
Iyo yakatwasuka main danda inowana kufukidzwa kweantenna, uye iko kugadziridzwa kweiyo downtilt angle inoshandura kuvharika kwedanda guru.Kune yemagetsi tuning antenna, iyo phase shifter inoshandiswa kushandura chikamu chesimba remagetsi rinowanikwa nechinhu chimwe nechimwe chinopenya chiri muantenna array kuti uwane kudzika kwakadzika kwedanda guru.Iko kushandiswa kweradar phased array tekinoroji mukutaurirana kwenhare.
Nheyo yemagetsi downtilt ndeye kushandura chikamu cheiyo collinear array antenna element, kushandura amplitude yeiyo yakatwasuka chikamu uye yakachinjika chikamu, uye kushandura simba remunda rechikamu chinoumbwa, kuitira kuti iite yakatwasuka yakananga dhizaini yeantenna. zvichidzika.Nekuti simba remunda reimwe nzira yeantenna rinowedzera uye richidzikira panguva imwe chete, zvinova nechokwadi chekuti antenna pateni haichinje zvakanyanya mushure mekushandurwa kwekona, kuitira kuti chinhambwe chekuvhara munzira huru yelobe chipfupike, uye panguva imwecheteyo, iyo yose nzira yekutungamira inoderedzwa muchikamu chekushumira sero.Nzvimbo asi hapana kupindira.
Magetsi tuning antenna anowanzo gadzirisa iyo vibrator yedunhu pane yemuviri chimiro chemotor kuti iwane shanduko yevibrator nzira, iyi ndiyo phase shifter, inoshandura chikamu chekudya chevibrator yega yega nekugadzirisa kureba kwetiweki yekudyisa kuti iwane yakadzika. kurereka kwedanda reantenna.
2. Kugadzirisa antenna yemagetsi
kuvaka:
Iyo azimuth uye pitch angle yechigaro chekuisa cheantenna inodzorwa nemakanika.
Iyo pitch angle yeantenna inogadziriswa nekugadzirisa chikamu chekona.
Wire remote control
Iyo inowanzobatanidza base station controller kuburikidza neRS485, RS422, uye controller ichabatanidza nzvimbo yekudzora iri kure kuburikidza newaya kana isina waya.
Wireless connection
Iyo inowanzo batanidza yakananga necontrol centre kuburikidza newireless communication component.
2.1 chimiro
2.2 Antennas
Remote magetsi tilt antenna inogadzirwa neantenna uye remote control unit (RCU).Chikonzero nei antenna yemagetsi inokwanisa kuenderera ichichinjika kudzika kwemagetsi iko kushandiswa kwe-multi-channel phase shifter iyo inogona kugadziridzwa nemakanika, chishandiso chimwe chete chekuisa uye kuburitsa kwakawanda, kuburikidza nemuchina wekufambisa nzira inogona panguva imwe chete kushandura inobuda chiratidzo chikamu ( shandura nzira ye oscillator).Ipapo iyo remote control inoitwa kuburikidza neremote control unit (RCU).
Iyo phase shifter inogona kungopatsanurwa kuita mhando mbiri: mutsauko ndewekuti mota inotenderera ndeyekugadzirisa kureba kwetambo yekufambisa kana kugadzirisa nzvimbo ye media.nzvimbo yenhau.
Magetsi tuning antenna
Iyo yemukati yeantenna yakaita seiyi:
2.3 RCU (Remote control unit)
RCU inoumbwa nedhiraivha mota, yekudzora dunhu uye nzira yekufambisa.Basa guru redunhu rekutonga nderekutaurirana nemutongi uye kutonga motokari yekutyaira.Chimiro chekutyaira chinonyanya kusanganisira giya rinogona kubatika netsvimbo yekutapurirana, kana giya richitenderera pasi pemota drive, tsvimbo yekufambisa inogona kudhonzwa, nokudaro ichichinja kudzika kwekona yeantenna.
RCU yakakamurwa kuita yekunze RCU uye yakavakirwa-mukati RCU.
RET antenna ine yakavakirwa-mukati RCU zvinoreva kuti iyo RCU yakatokwidzwa kune antenna uye inogovera imba neiyo antenna.
RET antenna neRCU yekunze zvinoreva kuti RCU controller inoda kuisa RCU pakati peinowirirana ESC interface yeantenna neESC tambo, uye RCU iri kunze kweantenna mask.
Iyo RCU yekunze inogona kuve yakajeka kunzwisisa kwechimiro chayo, saka rega ndiunze iyo yekunze RCU.Nemashoko akareruka, RCU inogona kunzwisiswa senge kure kure kutonga kwemota, imwe yekuisa yekudzora chiratidzo, imwe inobuda mota dhiraivha, sezvinotevera:
RCU imotokari yemukati uye dunhu rekutonga, isu hatifanire kunzwisisa;ngatitarise iyo interface yeRCU.
RCU uye RRU interface:
Iyo RET interface ndiyo interface kuAISG control line, uye kazhinji, iyo yakavakirwa-mukati RCU inongopa iyi interface yekubatanidza kuRRU.
Iyo interface pakati peRCU neantenna, iyo chena chikamu mumufananidzo pazasi ndiyo mota drive shaft, yakabatana kune antenna.
Zviripachena kuti RCU inotyaira mota yakananga kudzora nhanho yechikamu mukati meantenna pachinzvimbo chekudzora chikamu chekuchinja kuburikidza newaya yechiratidzo;iyo interface pakati peRCU uye antenna ndeye mechanical transmission structure, kwete chiratidzo chewaya chimiro.
Yekunze RCU antenna interface
Mushure mekunge mutsara wemhinduro wabatanidzwa, iyo RCU inobatanidza kune antenna uye inobatana neMagetsi tuning antenna sezvinotevera:
2.4 AISG tambo
Kune iyo yakavakirwa-mukati RCU, nekuti yakabatanidzwa mukati meiyo antenna mask, inokwana kubatanidza zvakananga tambo yemagetsi tuning antenna pakati peantenna (chaizvoizvo iyo yemukati RCU), uye RRU.Kunyangwe iyo RCU iri mukati kana yekunze, kubatana pakati peRCU neRRU kuri kuburikidza neAISG control line.
- AISG (antenna interface zviyero boka) isangano rakajairwa reantenna interface.Webhusaiti irihttp://www.aisg.org.uk/,inonyanya kushandiswa kuremedza kudzora kwe base station antennas, uye shongwe michina.
- AISG inosanganisira interface uye maprotocol, uye inotsanangura zvine chekuita nekutaurirana zviyero uye nzira dzekutaurirana.
2.5 zvimwe zvishandiso
A control signal splitter chishandiso chinoshandiswa kubatanidza madhiraivha akawanda mumutsara wekudzora wakafanana.Iyo inobatanidza kuburikidza netambo uye yobva yaparadzanisa akawanda masaini kubva kune akawanda madhiraivha.Iyo ine basa rekudzivirira mheni uye inokodzera discrete control yekudzora tambo.Iyo inogona zvakare kuwedzera imwechete-chiteshi controller kubvumidza panguva imwe chete kutonga kweantenna matatu mu base station.
Kudzora chiratidzo chekusunga chinoshandiswa kuwana sisitimu yemidziyo yakabatana yekudzivirira mheni yemudziyo, inodzivirira akawanda anoshanda masaini panguva imwe chete, akakodzera kudzora kwakananga kwemutyairi kuburikidza neiyo control cable scheme kana iyo system kuburikidza neT musoro kudzora, haugone kushandisa chibatiso ichi.Nheyo yekudzivirira mheni yeredhiyo frequency masaini haina kunyatsofanana.Inowanikwa kuburikidza nekudzivirira kwe overvoltage.Iyo antenna feed yekusunga haisi chinhu chimwe chete, usavhiringidze.
A handheld controller imhando yeanofungidzirwa controller yakagadzirirwa kugadzirisa munda.Inogona kuita mamwe mabasa akareruka pamutyairi nekudzvanya kiibhodhi pane pani.Chaizvoizvo, mabasa ese anogona kuyedzwa nekumhanyisa test software pakombuta.Inogona zvakare kushandiswa kupedzisa kudzora kwenzvimbo mabasa uko kuremote control kusingadiwe.
Desktop controller iremote control controller yakaiswa mune yakajairwa cabinet.Iyo yakabatana kune sisitimu kuburikidza neEthernet uye inokwanisa kubata nekudzora antenna midziyo ye base station munzvimbo yekudzora.Basa rekutanga remutongi uyu rakafanana, asi chimiro hachina kufanana.Mamwe anogadzirwa ne1U yakajairwa chassis, mamwe mimwe michina, uye yobva yasanganiswa kugadzira yakabatanidzwa controller.
Iyo antenna yekupedzisira T-musoro yakabatana kune iyo antenna magumo mune yekudzora chirongwa kuburikidza neyekudyisa.Iyo inogona kupedzisa iyo yekudzora chiratidzo modulation uye demodulation, magetsi ekupa chikafu, uye mheni kuchengetedza basa.Muchirongwa ichi, chiratidzo chekutonga chiratidzo chekusunga uye tambo refu kune controller inobviswa.
Base station terminal T musoro ndiyo midziyo yakabatana neiyo base station terminal mune yekutonga chirongwa kuburikidza neyekudyisa.Iyo inogona kupedzisa iyo yekudzora chiratidzo modulation uye demodulation, magetsi ekupa chikafu uye mheni kuchengetedza basa.Inoshandiswa pamwe chete ne-t-musoro wekupedzisira kweantenna yeshongwe, umo iyo control sign arrester uye tambo refu kune controller inobviswa.
Iyo shongwe amplifier ine yakavakirwa-muT-musoro ishongwe yepamusoro amplifier mukati yakabatanidzwa neantenna yekupedzisira T-musoro, yakaiswa padhuze neantenna muhurongwa hwekutonga kuburikidza neyekudyisa.Iyo ine ASG yekubuda interface yakabatana kune antenna mutyairi.Iyo yapedza iyo rf chiratidzo chekusimudzira asi zvakare inogona kupedzisa iyo magetsi ekupa chikafu uye kutonga siginecha modulation uye demodulation basa uye kuva nemheni yekudzivirira wedunhu.Iyi mhando yeshongwe inoshandiswa zvakanyanya mu3G system.
3.Kushandiswa kwemagetsi tuning antenna
3.1 mashandisiro anoita base station RCU
RS485
PCU+ Yakareba AISG tambo
Feature: mushongwe amplifier, kuburikidza neAISG tambo refu, gadzirisa antenna kuburikidza nePCU.
Iyo base station control siginecha uye DC siginecha inotumirwa kuRCU kuburikidza neAISG yakawanda-yakakosha tambo.Chishandiso chikuru chinogona kudzora RCU imwe kure uye kubata akawanda cascaded RCU.
Modulation uye demodulation mode
External CCU + AISG tambo +RCU
Zvimiro: kuburikidza neakareba AISG tambo kana feeder, gadzirisa antenna kuburikidza neCCU
Iyo base chiteshi inogadziridza chiratidzo chekutonga kune 2.176MHz OOK chiratidzo (baiOn-Off Keying, binary amplitude keying, inova yakakosha kesi yeASK modulation) kuburikidza nekunze kana yakavakirwa-mukati BT, uye inoendesa kuSBT kuburikidza neRF coaxial tambo pamwe chete DC chiratidzo.SBT inopedzisa kutendeuka kwepakati pakati peOOK chiratidzo neRS485 chiratidzo.
3.2 Remote Magetsi tuning antenna modhi
iyo yakakosha nzira ndeye kudzora simba rekutumira kuburikidza ne base station network manejimendi.Ruzivo rwekudzora rwunotumirwa kubhesi chiteshi kuburikidza ne base chiteshi network manejimendi, uye base chiteshi chinoendesa chiratidzo chekutonga kuRCU, iyo modulation yemagetsi dip angle yemagetsi modulated antenna inopedzwa neRCU.Musiyano uripo pakati pekuruboshwe nekurudyi mativi uri munzira iyo base chiteshi inotumira chiratidzo chekutonga kuRCU.Rutivi rwekuruboshwe runoendesa chiratidzo chekudzora kuRCU kuburikidza ne base chiteshi radio frequency tambo, uye rutivi rwekurudyi runoendesa chiratidzo chekudzora kuRCU kuburikidza ne base chiteshi magetsi ekugadzirisa chiteshi.
Muchokwadi, iyo nzira yakasiyana ndeyekushandiswa kweRCU kwakasiyana.
3.3 RCU inoputika
Mhinduro: SBT(STMA)+RCU+yakabatanidzwa network kana RRU+RCU +yakabatanidzwa network
Pane imwe chete RET interface pane yega yega RRU/RRH, uye kana imwe/2 RRU ikavhura akawanda maseru (RRU split) , iyo RCU inoda kudonha.
Iyo ESC antenna inogona kugadziridzwa nemaoko nekukweva chiratidzo chesitiroko kunze kweantenna.
3.4 Antenna Calibration
Iyo antenna yakakwenenzverwa yemagetsi inoda kugadzikiswa kuti ione kuti antenna yakakwenenzverwa nemagetsi sei.
Iyo ESC antenna inotsigira hudiki uye hwakanyanya makona ekuseta maviri akabatirira mapoinzi, asi mushure mekugamuchira iyo calibration murairo, mudziyo wenhapwa unotyaira mutyairi kuti afambe mumakona ese.Kutanga, kuyera chinhambwe pakati pemakona maviri akanamatira, uye ipapo Iyo yakazara sitiroko mufaira yekumisikidza inofananidzwa (iyo kugadzirisa uye kukanganisa chaiko kunodiwa kuve mukati me5%).
4.Hukama huri pakati peAISG nemagetsi modulated antenna
AISG inotsanangura chimiro uye protocol pakati peCCU neRCU.
Nguva yekutumira: Sep-03-2021