jiejuefangan

I-Antenna yokushuna ngogesi

Ezinye izincazelo zamabizo:

 

I-RET: I-Remote Electrical Tiling

I-RCU: Iyunithi yokulawula kude

I-CCU: I-Central Control Unit

 

  1. Ama-antenna okusebenza ngomshini nawogesi

1.1 I-downtilt yemishini ibhekisela ekulungisweni okuqondile kwe-engeli yokutsheka ngokomzimba ye-antenna ukuze kushintshwe ukumbozwa kwe-beam.I-downtilt kagesi isho ukushintsha indawo embozwe yi-antenna ngokushintsha isigaba se-antenna ngaphandle kokushintsha indawo ebonakalayo ye-antenna.

1.2 Izimiso zokulungiswa kwe-antenna yokushuna ngogesi.

I-boom eyinhloko eqondile ifinyelela ukumbozwa kwe-antenna, futhi ukulungiswa kwe-engeli ye-downtilt kushintsha ukumbozwa kwe-beam enkulu.Ku-antenna yokushuna kagesi, isishintshi sesigaba sisetshenziselwa ukuguqula isigaba sesignali yamandla etholwe yisici ngasinye esikhipha imisebe ohlwini lwe-antenna ukuze kuzuzwe ukutshekela phansi kwe-beam eyinhloko eqondile.Kusetshenziswa ubuchwepheshe be-radar ehlukaniswe ngezigaba ekuxhumaneni kweselula.

Umgomo we-electronic downtilt ukushintsha isigaba se-antenna ye-collinear array, ukushintsha i-amplitude yengxenye eqondile kanye nengxenye evundlile, futhi uguqule amandla enkambu yengxenye eyinhlanganisela, ukuze kwenziwe umdwebo oqondile oqondile we-antenna. phansi.Ngenxa yokuthi amandla enkambu endlela ngayinye yothi ayakhuphuka futhi ehle ngesikhathi esifanayo, kuyaqinisekiswa ukuthi iphethini ye-antenna ayishintshi kakhulu ngemva kokushintshwa kwe-engeli enyakazayo, ukuze ibanga lokumboza ku-lobe eyinhloko lifinyezwe, futhi ngesikhathi esifanayo, yonke iphethini yokuqondisa iyancipha emkhakheni weseli okhonzayo.Indawo kodwa akukho ukuphazamiseka.

I-antenna yokushuna ngogesi ngokuvamile ilungisa isekethe yesidlidlizi esakhiweni esingokoqobo semoto ukuze kufinyelelwe ukuguqulwa kwendlela yesidlidlizi, lesi isishintshi sesigaba, esishintsha isigaba sokuphakelayo sesidlidlizi ngasinye ngokulungisa ubude benethiwekhi yokuphakelayo ukuze kufinyelele phansi. ukutsheka kwe-antenna.

2. I-antenna yokulungisa ngogesi

ukwakha:

I-azimuth kanye ne-pitch angle yesihlalo sokufakwa kwe-antenna kulawulwa ngomshini.

I-engeli ye-pitch ye-antenna ilungiswa ngokulungisa i-engeli yesigaba.

Isilawuli kude sentambo

Ngokuvamile sixhuma isilawuli sesiteshi esiyisisekelo nge-RS485, RS422, futhi isilawuli sizoxhuma isikhungo sokulawula kude ngocingo noma ngocingo.

Ukuxhumeka okungenantambo

Ngokuvamile ukuxhumana okuqondile nesikhungo sokulawula kusetshenziswa ingxenye yokuxhumana engenantambo.

 

2.1 isakhiwo

2.2 Izimpondo

I-antenna etshekile kagesi ekude yenziwa iyunithi yokulawula kude (RCU).Isizathu sokuthi kungani i-antenna yokushuna kagesi ingafinyelela ukwehla okuguquguqukayo kagesi ukusetshenziswa kwesiguquli sesigaba seziteshi eziningi esingalungiswa ngomshini, idivayisi iwukufaka okukodwa nokuphuma okuningi, ngomshini wokudlulisa ngomshini ungashintsha kanyekanye isigaba sesiginali yokuphumayo( shintsha indlela ye-oscillator).Ngemuva kwalokho isilawuli kude senziwa ngeyunithi yokulawula kude (RCU).

Isishintshi sesigaba singamane sihlukaniswe sibe izinhlobo ezimbili: umehluko ukuthi ukuzungeza kwemoto ukulungisa ubude bomugqa wokudlulisela noma ukulungisa indawo yemidiya.indawo yemidiya.

 

I-antenna yokuhlela kagesi

 

Ingaphakathi le-antenna imi kanje:

 

2.3 I-RCU(Iyunithi yokulawula kude)

I-RCU yakhiwe injini yokushayela, isifunda sokulawula kanye nendlela yokudlulisa.Umsebenzi oyinhloko wesifunda sokulawula ukuxhumana nesilawuli nokulawula imoto yokushayela.Isakhiwo sokushayela sihlanganisa ikakhulukazi igiya elingase lihlanganiswe ne-transmission rod, lapho igiya lizungeza ngaphansi kwe-motor drive, i-transmission rod ingadonswa, ngaleyo ndlela kushintshe i-engeli eyehlelayo eyehlayo ye-antenna.

I-RCU ihlukaniswe yaba i-RCU yangaphandle kanye ne-RCU eyakhelwe ngaphakathi.

I-RET antenna ene-RCU eyakhelwe ngaphakathi isho ukuthi i-RCU isivele ifakwe othini futhi yabelana ngendlu nothi.

I-antenna ye-RET ene-RCU yangaphandle isho ukuthi isilawuli se-RCU sidinga ukufaka i-RCU phakathi kwesixhumi esibonakalayo se-ESC esihambisanayo se-antenna nentambo ye-ESC, futhi i-RCU ingaphandle kwemaski ye-antenna.

I-RCU yangaphandle ingaba nokuqonda okucacile ngokuqhathaniswa kwesakhiwo sayo, ngakho-ke ake ngethule i-RCU yangaphandle.Ngamagama alula, i-RCU ingaqondwa njengesilawuli kude semoto, isiginali yokulawula okokufaka eyodwa, idrayivu eyodwa yokuphuma kwemoto, ngale ndlela elandelayo:

I-RCU iyisekhethi yangaphakathi yemoto nokulawula, akudingeki ukuba siyiqonde;ake sibheke ukuxhumana kwe-RCU.

I-interface ye-RCU ne-RRU:

I-interface ye-RET iyisixhumi esibonakalayo somugqa wokulawula we-AISG, futhi ngokuvamile, i-RCU eyakhelwe ngaphakathi inikeza lesi sikhombimsebenzisi ukuze sixhumeke ku-RRU.

Ukuxhumana phakathi kwe-RCU ne-antenna, ingxenye emhlophe esithombeni esingezansi i-motor drive shaft, exhunywe ku-antenna.

Kusobala ukuthi i-RCU ishayela imoto ngokuqondile ukuze ilawule isishintshi sesigaba ngaphakathi kwe-antenna esikhundleni sokulawula isishintshi sesigaba ngocingo lwesignali;ukuxhumana phakathi kwe-RCU kanye ne-antenna kuyisakhiwo sokudlulisa ngomshini, hhayi isakhiwo socingo lwesignali.

Isixhumi esibonakalayo se-antenna ye-RCU yangaphandle

Ngemuva kokuthi ulayini wempendulo usuxhumekile, i-RCU ixhuma othini bese ixhuma ku-Electrical tuning antenna kanje:

2.4 Ikhebula le-AISG

Ku-RCU eyakhelwe ngaphakathi, ngenxa yokuthi ihlanganiswe ngaphakathi kwemaski ye-antenna, kwanele ukuxhuma ngokuqondile ikhebula le-antenna yokulungisa kagesi phakathi kwe-antenna(empeleni i-RCU yangaphakathi), ne-RRU.Ukuthi i-RCU ingaphakathi noma ingaphandle, ukuxhumana phakathi kwe-RCU ne-RRU kwenziwa ngomugqa wokulawula we-AISG.

  1. I-AISG (iqembu lamazinga esixhumi esibonakalayo se-antenna) iyinhlangano ejwayelekile yesixhumi esibonakalayo sezimpondo.Iwebhusayithi ithihttp://www.aisg.org.uk/,ikakhulukazi esetshenziselwa ukulawula kude kwama-antenna esiteshi, kanye nemishini yombhoshongo.
  2. I-AISG ihlanganisa ukucaciswa kwesixhumi esibonakalayo kanye nezivumelwano, futhi ichaza izindinganiso zokuxhumana ezihambisanayo nezinqubo zokuxhumana.

 

2.5 amanye amadivaysi

 

Isihlukanisi sesiginali yokulawula idivayisi esetshenziselwa ukuxhuma abashayeli abaningi kumugqa wokulawula ngokuhambisana.Ixhuma ngekhebula bese ihlukanisa amasignali amaningi kubashayeli abaningi.Inomsebenzi wokuvikela umbani futhi ifanele ukulawula okuhlukene kwezintambo zokulawula.Ingase futhi inwebe isilawuli sembobo eyodwa ukuze ivumele ukulawulwa kanyekanye kwama-antenna amathathu esiteshini sesisekelo.

 

Isibambisi sesignali sokulawula sisetshenziselwa ukufinyelela ohlelweni lwemishini ehlobene yokuvikela umbani wedivayisi, ivikela amasiginali amaningi asebenzayo ngesikhathi esifanayo, ifanele ukulawula okuqondile komshayeli ngohlelo lwekhebula lokulawula lapho uhlelo lulawula ngekhanda le-T, awukwazi ukusebenzisa lesi sibophisi.Umgomo wokuvikela umbani wamasignali efrikhwensi yomsakazo awufani neze.Itholakala ngokuvikelwa kwe-overvoltage.Isibambisi sesiphakeli se-antenna asiyona into efanayo, ungadideki.

 

Isilawuli esiphathwa ngesandla siwuhlobo lwesilawuli esiphakanyisiwe esidizayinelwe ukulungisa amaphutha enkambu.Ingenza imisebenzi ethile elula kumshayeli ngokucindezela ikhibhodi kuphaneli.Ngokuyisisekelo, yonke imisebenzi ingahlolwa ngokusebenzisa isoftware yokuhlola kukhompyutha.Ingase futhi isetshenziselwe ukuqedela imisebenzi yokulawula yendawo lapho isilawuli kude singadingeki.

 

Isilawuli sedeskithophu yisilawuli sesilawuli kude esifakwe kukhabethe elijwayelekile.Ixhunywe ohlelweni nge-Ethernet futhi ingaphatha futhi ilawule imishini ye-antenna yesiteshi sesisekelo esikhungweni sokulawula.Umsebenzi oyisisekelo walesi silawuli uyafana, kodwa isakhiwo asifani.Ezinye zenziwe nge-chassis evamile ye-1U, ezinye izinto zokusebenza, bese zihlanganiswa ukwenza isilawuli esihlanganisiwe.

 

Inhloko ye-antenna ephethe i-T-head ixhunywe ekugcineni kothi kuhlelo lokulawula ngesiphakeli.Ingakwazi ukuqedela ukuguquguquka kwesignali yokulawula nokwehliswa, ukuphakelwa kwamandla kagesi, nomsebenzi wokuvikela umbani.Kulolu hlelo, isibambisi sesignali sokulawula kanye nekhebula ende kusilawuli siyasuswa.

 

Isizinda setheminali yesiteshi esingu-T iyisisetshenziswa esixhunywe kutheminali yesiteshi esiyisisekelo ohlelweni lokulawula ngokusebenzisa i-feeder.Ingakwazi ukuqedela ukuguquguquka kwesignali yokulawula nokudilizwa, ukuphakelwa kwamandla kagesi kanye nomsebenzi wokuvikela umbani.Isetshenziswa ngokuhambisana ne-t-head yokuphela kwe-antenna yombhoshongo, lapho isibambisi sesignali sokulawula kanye nentambo ende yesilawuli kukhishwa.

 

Isikhulisi sombhoshongo esinekhanda lika-T esakhelwe ngaphakathi siyisikhulisi esiphezulu sombhoshongo esihlanganiswe ngaphakathi nesiphetho se-antenna esiphethe i-T-head, esibekwe eduze nothi esikimini sokulawula ngesiphakeli.Ine-interface ephumayo ye-AISG exhunywe kumshayeli we-antenna.Iqede ukukhulisa isignali ye-rf kodwa futhi ingaqedela ukuphakela kwamandla kagesi kanye nokulawula ukuguquguquka kwesignali kanye nomsebenzi wokwehlisa amandla futhi ibe nesekhethi yokuvikela umbani.Lolu hlobo lombhoshongo lusetshenziswa kakhulu ohlelweni lwe-3G.

 3.Ukusetshenziswa kwe-antenna yokulungisa kagesi

3.1 ukuthi isiteshi esiyisisekelo siyisebenzisa kanjani i-RCU

RS485

Intambo ye-AISG ye-PCU+ ende

Isici: ku-amplifier yombhoshongo, ngezintambo ezinde ze-AISG, lungisa i-antenna nge-PCU.

 

Isiginali yokulawula isiteshi esiyisisekelo kanye nesignali ye-DC kudluliselwa ku-RCU ngekhebula le-AISG elinezimo eziningi.Idivayisi eyinhloko ingalawula i-RCU eyodwa ikude futhi iphathe i-RCU ene-cascade eminingi.

 

Imodi ye-modulation kanye ne-demodulation

Intambo yangaphandle ye-CCU + AISG +RCU

Izici: ngekhebula ende ye-AISG noma isiphakeli, lungisa uthi nge-CCU

 

Isiteshi esiyisisekelo silungisa isiginali yokulawula ibe isignali ye-OOK engu-2.176MHz (i-baiOn-Off Keying, ukhiye we-amplitude kanambambili, okuyisimo esikhethekile sokushintshwa kwe-ASK) nge-BT yangaphandle noma eyakhelwe ngaphakathi, futhi iyithumele ku-SBT ngentambo ye-coaxial ye-RF kanye Isiginali ye-DC.I-SBT iqedela ukuguqulwa phakathi kwesignali ye-OOK nesignali ye-RS485.

 

 

3.2 Imodi ye-antenna yokushuna kagesi ekude

indlela eyisisekelo ukulawula ukuthunyelwa kwamandla ngokusebenzisa ukuphathwa kwenethiwekhi yesiteshi sesisekelo.Ulwazi lokulawula luthunyelwa esiteshini sesisekelo ngokuphathwa kwenethiwekhi yesiteshi sesisekelo, futhi isiteshi esiyisisekelo sidlulisela isignali yokulawula ku-RCU, ukuguqulwa kwe-engeli yokucwilisa kagesi ye-antenna eguquliwe kagesi kuqedwa yi-RCU.Umehluko phakathi kwezinhlangothi ezingakwesokunxele nezingakwesokudla ulele endleleni isiteshi esiyisisekelo esidlulisela ngayo isignali yokulawula ku-RCU.Uhlangothi lwesobunxele ludlulisela isignali yokulawula ku-RCU ngentambo yefrikhwensi yomsakazo wesiteshi esiyisisekelo, futhi uhlangothi lwesokudla ludlulisela isignali yokulawula ku-RCU ngembobo yokulungisa ugesi wesiteshi sesisekelo.

Eqinisweni, indlela ehlukile ukusetshenziswa kwe-RCU ehlukile.

 

3.3 I-RCU cascacade

Isixazululo: I-SBT(STMA)+RCU+inethiwekhi ehlanganisiwe noma i-RRU+RCU +inethiwekhi ehlanganisiwe

Kunesixhumi esibonakalayo esisodwa kuphela se-RET ku-RRU/RRH ngayinye, futhi lapho i-RRU eyodwa/2 ivula amaseli amaningi (i-RRU split) , i-RCU idinga ukukhishwa.

I-antenna ye-ESC ingalungiswa mathupha ngokudonsa ngesandla uphawu lokushaya ngaphandle kothi.

3.4 Ukulinganisa kwe-Antenna

I-antenna eshunwe ngogesi idinga ukulinganiswa ukuze kutholwe ukuthi uthi lucushwe kahle kangakanani ngogesi.

I-antenna ye-ESC isekela ama-engeli amancane futhi aphezulu kakhulu ukusetha amaphuzu amabili abambekile, kodwa ngemva kokuthola umyalo wokulinganisa, idivayisi yesigqila ishayela umshayeli ukuthi ahambe kulo lonke uhla lwama-engeli.Okokuqala, linganisa ibanga phakathi kwamaphoyinti amabili anamathele, bese I-stroke ephelele efayeleni lokucushwa iqhathaniswa (ukumiswa kanye nephutha langempela liyadingeka ukuba libe ngaphakathi kwe-5%).

 

4.Ubudlelwano phakathi kwe-AISG kanye nothi olumodelwa ngogesi

I-AISG ichaza isixhumi esibonakalayo nephrothokholi phakathi kwe-CCU ne-RCU.

 

 


Isikhathi sokuthumela: Sep-03-2021