Izakhiwo zesimanje nezindawo ezinkulu zethula inselelo ekhethekile ekuxhumaneni okungenazintambo: izindonga zikakhonkolo, izisekelo zensimbi, kanye nokuhlelwa kwezitezi eziningi konke kuhlangana ukuvimba noma kwehlise amasignali avela emibhoshongweni engaphandle. Uhlelo lwe-antenna olusabalalisiwe luxazulula le nkinga ngokuphelele ngokusabalalisa amasignali omsakazo avela emthonjeni omaphakathi ziye kuma-antenna abekwe ngobuchule kuyo yonke indawo yesakhiwo. Empeleni, i-DAS antenna iba isixhumanisi sokugcina kuchungechunge oluletha isevisi yezwi nedatha ethembekile kuyo yonke ikona yesakhiwo, kusukela egaraji lokupaka elingaphansi kuye emahhovisi aphezulu. Kwezamabhizinisi, izindawo zomphakathi, nabanikazi bezakhiwo, ukufaka i-indoor DAS akuseyona into yokunethezeka nje kodwa kuyimfuneko eyisisekelo yempumelelo yokusebenza. Njengoba ukusetshenziswa kwedatha yamaselula kuqhubeka kukhula, ikakhulukazi ngokwethulwa kwamanethiwekhi e-5G, ingcindezi ekufakweni kwamasignali ngaphakathi kwezakhiwo ayikaze ibe nkulu kangaka, futhi isidingo sama-antenna e-DAS asebenza kahle kakhulu sikhuphuke kakhulu. Ukuqonda ukuthi lezi zinhlelo zisebenza kanjani, ziletha izinzuzo zini, nokuthi ukhetha kanjani imishini efanele kubalulekile kunoma ubani ohlela ukuthuthukisa inethiwekhi noma iphrojekthi yokwakha entsha.

I-antenna ye-DAS, empeleni, iyintenalente ekhethekile eklanyelwe ukusakaza noma ukwamukela amasignali erediophu ngaphakathi kohlelo lwezintenalente ezisabalalisiwe, futhi iyona ingxenye empeleni isakaza ukufinyeleleka kubasebenzisi bangaphakathi ebhilidini. Ngokungafani nentenalente yomphakathi evamile emboza amakhilomitha amaningi endawo engaphandle, i-antenna ye-DAS isebenza ngamandla aphansi futhi ihloselwe ukumboza izindawo ezincane, ezivalekile njengamaphaseji, amagumbi emihlangano, namahhovisi avulekile. Lezi zintenalente ziza ngezinhlobonhlobo zezimo, okuhlanganisa ama-dome afakwa ophahleni, amaphaneli asezindongeni angunxande, namayunithi amancane ahlangana nemiklamo yezakhiwo, ngayinye yakhelwe amaphethini athile okumboza nezimo zokufaka. Ukusebenza kwe-antenna ye-DAS kulinganiswa ngamapharamitha afana ne-gain, i-bandwidth, i-VSWR (Voltage Standing Wave Ratio), ne-PIM (Passive Intermodulation), konke lokhu kunquma ukuthi isignali idluliselwa kahle kangakanani nokuthi kukhiqizwa ukuphazamiseka okungakanani. E-Shenzhen Narwhal Electronic Technology Co., Ltd., sikhiqiza izintenalente ze-DAS ezihlangabezana nezindinganiso eziqinile zemboni ze-PIM ephansi nokusebenza kwe-wideband, siqinisekisa ukuthi zisebenza kahle kuwo wonke amabhendi amafrikhwensi amaningi okuhlanganisa i-2G, i-3G, i-4G, ne-5G. Ukukhethwa kwentenalente endaweni ngayinye ebhilidini kuthinta ngqo ikhwalithi yesevisi abathengi abayitholayo, ngakho ukukhetha umkhiqizo onokwethenjelwa, oklanywe kahle kumkhiqizi ohloniphekile kubalulekile kunoma yikuphi ukufakwa kwe-DAS okuyimpumelelo.

Izindlu zanamuhla zezentengiselwano nezokuhlala zakhiwe ngezinto ezonga amandla kanye nezakhiwo eziminyene eziyinkinga kakhulu kumasignali angenantambo, okwenza ngempela ukuthi zenze amakheji e-faraday avale abantu ngaphandle kokuxhumana kwangaphandle. Lapho omakhalekhukhwini behluleka ukuthola uxhumano oluthembekile, umkhiqizo uyawa, izinsiza eziphuthumayo ziyaphazamiseka, futhi ulwazi lwabaqashi, abasebenzi, nezivakashi luba nokukhungatheka okukhulu. Uhlelo lwe-antenna olusabalalisiwe lusebenza njengebhuloho langaphakathi elithatha amasignali enethiwekhi endaweni emaphakathi bese liwaphinda luwathumele ngenethiwekhi yama-antenna e-DAS, libuyisela ukumbozwa okugcwele kuso sonke isakhiwo. Lokhu kubaluleke kakhulu ezibhedlela, lapho odokotela nabahlengikazi bethembele emishinini yokuxhumana ukuze bathole ukuxhumana okubalulekile, nasezikhumulweni zezindiza, lapho izinkulungwane zabahambi zidinga izibuyekezo zesikhathi sangempela zezindiza kanye nokuxhumana okungenazinkinga ukuze zihambe ematheminali. Ngaphandle kwezinto eziphathelene nabantu, ukuqhuma kwe-Internet of Things (IoT) kuguqule izakhiwo zaba yimvelo eminyene yama-sensor, izibani ezihlakaniphile, izilawuli ze-HVAC, namakhamera okuphepha, konke lokhu kuncike ezindleleni eziqinile zokuxhumana ukuze kudluliselwe idatha ezinkundleni zokuphatha ezimaphakathi. Ngaphandle kwe-DAS yangaphakathi eklanywe kahle, lezi zinhlelo zezakhiwo ezihlakaniphile azikwazi ukusebenza ngezinga elikhulu, kunciphisa utshalomali lwe-automation ne-digitization. Ngakho-ke, abaklami ababheka phambili nabaphathi bezakhiwo manje sebeyala ukuthi kufakwe i-DAS kusukela ekuqaleni kwesigaba sokuklama, beqaphela ukuthi iyingqikithi yengqalasizinda njengamapayipi nokufakwa kocingo lukagesi.

Ukukhetha umlingani ofanele wohlelo lwakho lwe-antenna esabalalisiwe kubaluleke njengokwakhiwa kwalo uqobo, futhi i-Shenzhen Narwhal Electronic Technology Co., Ltd. iletha umlando wokugqama ohlanganisa iminyaka yokukhiqiza ngokuzinikezela izintambo zokuxhumana kanye nemikhiqizo yokuxhumana nge-RF. Izintambo zethu ze-DAS zakhiwe ngokugxila ekusebenzeni, ekuqineni, nasekuzivumelaniseni nezimo, okwenza zibe ukukhethwa okuthandwayo kwabahlanganisi bezinhlelo, osonkontileka bezokuxhumana, namathimba e-IT ezinkampanini emhlabeni wonke. Ngokukhetha izintambo ze-Narwhal, utshala imali ezingxenyeni ezihlolwe ngokuqinile ukuze zilethe ikhwalithi yesignali engaguquki, zimelane nokucindezeleka kwemvelo, futhi zisekele isimo esiguqukayo sezindinganiso zokuxhumana ngocingo, okuhlanganisa nezidingo eziqinile zokusatshalaliswa kohlelo lwe-antenna 5G. Izinzuzo esizinikezayo akuzona nje izimfuneko zobuchwepheshe ezikwi-datasheet; ziguqulela ekuthuthukisweni okubambekayo kokuthembeka kwenethiwekhi, ukwaneliseka kwamakhasimende, nokonga izindleko zesikhathi eside. Ake sihlole izinzuzo ezibalulekile ezihlukanisa imikhiqizo yethu kwezinye ezincintisanayo futhi sichaze ukuthi kungani amaphrojekthi amaningi emhlabeni wonke akhelwe kubuchwepheshe bethu.

Umsebenzi oyinhloko wanoma iyiphi i-antenna ye-DAS ukunikeza amandla esignali afanayo, asezingeni eliphezulu kuyo yonke indawo ehlanganisiwe, futhi ama-antenna ethu agqama kakhulu kulokhu ngenxa yamaphethini emisebe aklanywe ngokucophelela kanye namandla obubanzi obubanzi. Ngokusekela amabhendi amafrikhwensi amaningi kusukela ku-698 MHz kuya ku-2700 MHz nangale kwalokho, ama-antenna ethu alungele ukusebenzela amanethiwekhi akhona e-4G LTE kanye namabhendi amasha e-spectrum abekelwe izinsizakalo ze-5G, okuqinisekisa ukuphila kwesikhathi eside kwengqalasizinda yakho. Lo mklamo wobubanzi obubanzi usho ukuthi imodeli eyodwa ye-antenna ingaphatha amasignali avela kuma-carrier amaningi, okunciphisa ubunkimbinkimbi nezindleko zokufakwa kwe-DAS yangaphakathi lapho kudingeka ukusekelwa kwabaqhubi abaningi. Ama-antenna ethu abuye abonakale ngamanani amahle kakhulu e-VSWR kanye nokuhlukaniswa okuphezulu, okunciphisa ukubonakala kwesignali futhi kuqinisekise ukudluliswa okuhlanzekile, okungenakuphazanyiswa ngisho nasekufakweni okuminyene lapho ama-antenna amaningi esebenza eduze. Iyunithi ngayinye ihlolwa ngokuqinile egumbini lethu le-anechoic ukuze kuqinisekiswe izinkomba zayo zokusebenza, okuqinisekisa ukuthi amabalazwe okumboza abikezelwa onjiniyela bakho be-RF empeleni afana nokusebenza kwangempela emhlabeni ngemva kokufakwa kahle. Ngama-antenna e-Narwhal DAS, ungawaqeda ngokuqiniseka ama-dead zones, izingcingo eziphukile, nezivinini zedatha ezinensayo, unikeze ulwazi olungenazihibe lwe-wireless olugcina abahlali besakhiwo bexhumile ngaso sonke isikhathi sosuku. Leli khwalithi eliphakeme lesignali ekugcineni livikela utshalomali lomqhubi ngokunciphisa inani lama-antenna adingekayo ukumboza indawo ethile kuyilapho kwandisa i-throughput nokwaneliseka komsebenzisi.

Izimpondo zangaphakathi kufanele zihlangabezane nezidingo ezimbili ezibonakala ziphikisana: kufanele zingabonakali kahle ukuze zihlangane nezakhiwo zesimanje, futhi kufanele zibe namandla okumelana nezimo zokusebenza ezinzima, futhi i-Narwhal ikwazile lokhu kulinganisela ngomklamo wemboni ocabangelayo nokukhethwa kwezinto zokwakha. Izimpondo zethu ezifakwa ophahleni zinezindlu eziphansi, ezinhle ngokubukeka ezingapendwa ukuze zifane nombala wanoma yiluphi uphahla, okuzenza zinyamalale endaweni ezinzungezile ngaphandle kokudonsa ukunaka noma ukuphazamisa imiklamo yezangaphakathi. Ngemuva kwalokho kuhle kwangaphandle kukhona ukwakheka okuqinile kusetshenziswa ipulasitiki ye-ABS evimbela umlilo esezingeni eliphezulu kanye nezingxenye zangaphakathi ezingagqwali ezimelana nokugqwala eziqinisekisa ukusebenza okungaguquki iminyaka eminingi yokusebenza, ngisho nasezindaweni ezinomswakama njengamagumbi okugezela asehhotela noma izindawo ezinokushisa okuphezulu eduze kwezindawo zokupheka. Amamodeli afakwa odongeni aklanywe ngemizimba emelana nomthelela abekezelela ukushaywa okuphuthumayo okuvela emishinini yokuhlanza noma ukuhamba kwabantu, okubenza bafaneleke kahle emaphaseji nasezindaweni zomphakathi ezisetshenziswa kakhulu nsuku zonke. Zonke izimpondo zethu ziklanyelwe ukusebenza ebangeni elibanzi lokushisa, kusukela ezindaweni zokungena zangaphandle ezinomkhenkhe kuya ezindlini zemishini ezishisayo, ngakho ukwethembeka akukaze kuyekwe noma ngabe zifakwe kuphi. Lokhu kuqina kuhumushela ngqo ezindlekweni eziphansi zokunakekela kanye nokubizwa okumbalwa kwezinsizakalo kubanikazi bezakhiwo, ngoba izimpondo zivele ziqhubeka ziletha ukumboza unyaka nonyaka ngaphandle kokuncipha ekusebenzeni.

Zonke izakhiwo zinezakhiwo zazo ezihlukile, izinto zokwakha, kanye nezidingo zokumboza, okusho ukuthi indlela eyodwa yokusebenzisa i-antenna engafaneleki kuyo yonke indawo ayivamisile ukuletha imiphumela emihle kakhulu, futhi yingakho i-Narwhal inikeza amakhasimende ayo izinketho eziningi zokwenza ngendlela oyifunayo. Ithimba lethu lobunjiniyela lingakwazi ukushintsha imiklamo ejwayelekile ye-DAS antenna ukuze ihlangabezane nezidingo ezithile zokuthola amandla, izinhlobo zama-connector (N-Type, DIN, SMA), ubude bezintambo, kanye nemibala yokuqeda ukuze ihambisane nezidingo ezithile zokufaka noma izintandokazi zobuhle. Emaphrojekthini anamaphethini okumboza angajwayelekile, njengamaphaseji amade amancane noma izindawo ezinkulu ezivulekile, singakwazi ukulungisa indlela i-antenna esakaza ngayo ukuze sisabalalise isignali ngempumelelo lapho idingeka khona. Sikunikeza nokukhetha kokufaka uphawu lwakho, lapho ilogo yenkampani yakho ingafakwa emzimbeni we-antenna, okuthandwa kakhulu abahlanganisi bezinhlelo abafuna ukwethula isixazululo esihlangene kumakhasimende abo okugcina. Ngenxa yokuthi silawula yonke inqubo yokukhiqiza ngaphakathi endlini efektri yethu yase-Shenzhen, singakwazi ukwamukela ama-oda amancane enziwe ngendlela oyifunayo ngaphandle kwezikhathi ezinde zokulinda ezivame ukuhambisana nokukhiqizwa okukhethekile. Lokhu kuvumelana nezimo kunika amakhasimende ethu amandla okuklama ukufakwa kwe-DAS yangaphakathi okuhambisana ngokuphelele nezidingo zomzimba nezokusebenza zendawo ngayinye, kuthuthukise kokubili ukusebenza kokumboza kanye nokwabiwa kwesabelomali.

E-Shenzhen Narwhal Electronic Technology Co., Ltd., sinikeza uhlu oluhlukahlukene lwama-antena e-DAS ukuze sihambisane cishe noma yisiphi isicelo sangaphakathi, futhi uhlu lwethu lomkhiqizo lukhombisa izidingo ezihlukahlukene zezakhiwo zanamuhla zokuxhumana. Kusukela kumamodeli anobubanzi obubanzi kakhulu ahlanganisa wonke amabhendi amakhulu kuye kuma-antena akhethekile anenzuzo ephezulu yezindawo ezinkulu, siklome umndeni ngamunye womkhiqizo ukuze usebenzele injongo ethile ngaphakathi kohlelo lwe-antena olusabalalisiwe lwangaphakathi. Izindawo zethu zokukhiqiza zihlonyiswe ngemishini yokuhlola ethuthukile, okuhlanganisa abahlaziyi be-PIM nabahlaziyi benethiwekhi, ukuze siqinisekise ukuthi wonke ama-antena esiwathumelayo ahlangabezana namazinga aphezulu kakhulu okusebenza nokuthembeka. Uhlu lwethu lomkhiqizo luhlala lubuyekezwa ukuze luhlale luphambili ezinkambisweni zemboni, ikakhulukazi ukwamukelwa okukhulayo kobuchwepheshe be-5G bohlelo lwe-antena olusabalalisiwe oludinga ama-antena akwazi ukuphatha amabhendi amasha amaza nokudluliswa kwedatha okuphezulu. Ake sikuholele ezigabeni eziyinhloko zama-antena e-DAS esiwakhiqizayo, ukuze ukwazi ukuqonda kangcono ukuthi yiziphi izinketho ezingase zifanele kangcono iphrojekthi yakho ezayo.

Izimpondo ze-Wideband DAS zakha umgogodla wezindawo eziningi zanamuhla ngoba ziletha ukuguquguquka kokusekela abathwali abaningi namabhendi e-frequency ahlukahlukene ngohlobo olulodwa lwe-antenna, kwenze lula ukuphathwa kwempahla nobunkimbinkimbe bokufaka. Izimodeli zethu ezibanzi ngokuvamile zihlanganisa ububanzi obugcwele kusukela ku-698 MHz kuya ku-2700 MHz, kufaka hhayi kuphela amabhendi endabuko e-cellular kodwa nafuthi ama-frequency amasha e-AWS ne-WCS asetshenziswa abathwali abahlukahlukene. Ngokunwetshwa kwezinsiza ze-5G emabhendini aphansi, eminye yemiklamo yethu emisha ihlanganisa nokumboza kwehle kuze kufike ku-600 MHz futhi ikhuphuke iye ku-3800 MHz ye-mid-band 5G, iqinisekisa ukuthi ingqalasizinda yakho ilungele izabelo ze-spectrum ezizayo. Lezi zimpondo zakhelwe ukugcina ukusebenza okungaguquki kwe-gain namaphethini e-pattern kulo lonke ububanzi be-frequency, ukuze ukufana kokumboza kulondolozwe noma ngabe abathwali basebenzisa amabhendi ahlukene ngaphakathi kohlelo olufanayo. Izimpondo zethu ezibanzi zitholakala ngezinketho eziningi ze-gain, ngokuvamile kusukela ku-2 dBi kuya ku-6 dBi, okuvumela abaklami bohlelo ukuthi bakhethe ibhalansi efanele phakathi kwamandla esignali nendawo yokumboza endaweni ngayinye. Ngokwenza okujwayelekile ngezimpondo ze-Narwhal ezibanzi, abaqhubi benethiwekhi banciphisa inani lama-SKU okumele bawaphathe futhi bandise ukuzethemba kokuthi isignali yanoma yimuphi umthwali izosatshalaliswa ngokunembile noma ngabe basebenza kuyiphi i-frequency.

Ukucushwa kokufakwa kwe-antenna ye-DAS kudlala indima enkulu ekutheni ikufihlela kahle kangakanani indawo ethile, futhi i-Narwhal inikeza izinketho zokufaka ophahleni kanye nokufaka odongeni ukuze kubhekwane nezinselele ezahlukene zezakhiwo kanye nezinhloso zokumboza. Ama-antenna afakwa ophahleni, avame ukubizwa ngama-antenna angaphakathi e-DAS noma ama-puck antenna, ayikhethwa kakhulu emahhovisi, ezitolo, nasezamahhotela ngoba anikeza iphethini yokumboza eyindilinga egubuzela indawo engaphansi kwawo ngqo, okwenza afaneleke kahle kophahla olwehlisiwe nasezindaweni ezivulekile. Amamodeli ethu ophahleni anesimo esincanyatheliswayo esingaphumeli kakhulu ngezansi komugqa wethayili, futhi eza ngombala omhlophe ojwayelekile kodwa angapendwa ukuze afane nanoma yikuphi ukuhlobisa ngaphandle kokuthinta ukusebenza kwawo. Ama-antenna afakwa odongeni, ngakolunye uhlangothi, aklanyelwe ukunikeza ukumboza okubheke uhlangothi olulodwa ukusuka endaweni emile, okwenza afanelekele kahle kumaphaseji amade, izitebhisi, kanye nezindawo zokupaka izimoto lapho i-antenna ingabekwa khona ukuze isakaze phansi ngobude bendawo ngempumelelo. Zombili lezi zinhlobo zokufaka ziyatholakala ekucushweni kwethu okubanzi kanye nokuthola inzuzo ephezulu, okunikeza abafaki inkululeko enkulu yokuklama ukumboza okuhambisana nesakhiwo somzimba wesakhiwo. Siphinde sinikeze izinsiza ezahlukene zokufaka, okuhlanganisa amakhithi okufaka angaphakathi kophahla okwenza i-antenna ingabonakali, kanye nama-bracket aguquguqukayo okufaka odongeni avumela ukuqondisa okunembile kwengxenye enkulu. Noma ngabe isakhiwo sendawo yakho sinjani, i-Narwhal inendlela efanele yokufaka ukuze kuqinisekiswe ukusabalalisa kwesignali okukahle.

Ezindaweni ezinkulu ezivulekile noma ezindaweni lapho umzila wesiginali mude futhi uvame ukuphazamiseka, izintambo ze-DAS ezinenzuzo ephezulu zibalulekile ukuze kugcinwe ukumboza okuqinile ngamaphoyinti okufinyelela ambalwa, futhi amamodeli e-Narwhal anenzuzo ephezulu ahlinzeka nge-8 noma 9 dBi yenzuzo eqondisayo ukuze afinyelele kulezo zindawo eziyinselele. Lezi zintambo zisebenzisa imiklamo ekhethekile yezakhi ezisakazayo kanye nokufanisa okulungiselelwe kahle kokumelana nokugxilisa amandla asakazwayo abe umugqa ogxilile, okwandisa kakhulu indawo yezwe elingamboza ngempumelelo intambo eyodwa. Ngaphezu kwalokho, izintambo zethu zekhwalithi ephezulu ezingama-low-PIM zakhiwe ngokucophelela ngezinto ezikhethiwe, ukufakwa kwensimbi, nokuxhumana kwemishini ukuze kuzuzwe ukusebenza kwe-intermodulation kwe--155 dBc noma kangcono, okuyimfuneko ebalulekile ezinhlelweni ezithwala izignali ezinamandla amaningi ezinama-carrier amaningi. Izintambo ezingama-low-PIM zivimbela ukukhiqizwa kwemikhiqizo ephazamisayo ye-intermodulation engabangela ukuthi ama-receiver angasebenzi kahle futhi kwehlise ukusebenza kwenethiwekhi, inkinga eba nzima kakhulu njengoba izinombolo zama-carrier namazinga omthwalo kukhula. Zonke izintambo zethu ezinenzuzo ephezulu nezingama-low-PIM zihlolwa ngo-100% efektri, futhi iyunithi ngayinye ihambisana nombiko wokuhlola oqinisekisa ukucaciswa kwayo kagesi, ukuze uzithumele ngokuzethemba okuphelele. Lezi zinketho zekhwalithi ephezulu zithandwa kakhulu ekufakweni kwe-5G yezinhlelo zezintambo ezisabalalisiwe kanye namanethiwekhi e-neutral-host DAS lapho abasebenzisi abaningi behlanganyela ingqalasizinda yezintambo efanayo, ngoba ziqinisekisa ubumsulwa besiginali obudingwa izinhlobo zesimanje zokuhlela eziphezulu.

Ukuguquguquka kwezintambo ze-DAS kusho ukuthi zithola ukusetshenziswa ezindaweni eziningi kakhulu ezahlukahlukene, ngayinye inezinselelo zayo ezithile zokumboza kanye nokulindelwe ngabasebenzisi. Noma yisiphi isakhiwo esikhulu, esiminyene esivimba amasignali angaphandle siyindawo efanele yesisombululo se-DAS sangaphakathi, futhi izinzuzo zokuxhumana okuthembekile zifinyelela kuyo yonke imikhakha yomnotho. Ngokusebenzisa uhlelo lwezintambo olusabalalisiwe oluklanywe kahle, abaphathi bezakhiwo baqinisekisa ukuthi abasebenzi bahlala bekhiqiza, amakhasimende ajabulela isevisi engenazihibe, futhi ukuxhumana okubalulekile kuhlala kusebenza ngisho nangesikhathi sesidingo esiphezulu. Kulesi sigaba, sihlola ezinye zezinhlelo ezivame kakhulu nezidinga kakhulu zezintambo ze-DAS, sibonisa ukuthi imikhiqizo ye-Narwhal ikwenza kanjani ukubhekana nenselelo endaweni ngayinye ehlukile. Kungakhathaliseki ukuthi uhlela ukulungiswa okuncane kwehhovisi noma isikhungo esikhulu sezokuthutha, izimiso zokuklama kwe-DAS kanye nekhwalithi yezintambo ezikhethiwe zizonquma impumelelo yephrojekthi.

Izakhiwo zesimanje zamahhovisi namakhampasi ezinkampani aphakathi kwabasebenzisi abavelele kakhulu bezinhlelo ze-DAS zangaphakathi, ngoba abasebenzi babo bathembela kakhulu omakhalekhukhwini ezingcingweni zomsindo, ukusebenzisana okungavumelanisiwe, nezinhlelo zokusebenza zebhizinisi. Uma amasignali eselula ehhovisi ebuthakathaka, abasebenzi baphoqeleka ukuthi basebenzise ukushaya nge-Wi-Fi noma baphumele ngaphandle ukuze bashaye izingcingo, kokubili okunciphisa ukusebenza kahle futhi kukhombisa kabi uhlobo lomqashi. Ukusatshalaliswa okuminyene kwama-antennas e-DAS anamandla aphansi ezitezi zamahhovisi kunikeza ukumbozwa okungaguquki ngisho nasemakamelweni emihlangano angaphakathi, ezindaweni ezivulekile zamacubicle, nasezindlini zokuphatha ezingezinye izingabe zibe yizindawo ezifile. Njengoba izinkampani eziningi zamukela izinhlelo zokuhlala eziguquguqukayo nezinqubomgomo zokuza nomakhalekhukhwini wakho, isidingo sokumbozwa okuthembekile, kwezinga le-carrier sibe yinto eyinhloko ekwanelisekeni kwabaqashi bezakhiwo nasezingxoxweni zokuqasha. Ukufakwa kwe-DAS ezakhiweni zezentengiselwano nakho kusekela ukuxhumana kwabasebenzi bokuqala baphuthuma, njengoba izindawo eziningi zidinga ukumbozwa komsakazo wezinto ezimbili ngezinto zokucima umlilo namaphoyisa, futhi uhlelo oluklanywe kahle lungathwala lawo masignali abalulekile kanye nethrafikhi yezentengiselwano yeselula. Ngama-antennas e-Narwhal DAS, abanikazi bezakhiwo zamahhovisi bangahlangabezana nazo zonke lezi zimfuneko ngohlelo olulodwa, oluhlangene lwengqalasizinda olwanelisa abaqashi, abalawuli, nabaqhubi benethiwekhi ngokufanayo.

Izindawo zokuhamba (transportation hubs) zimele ezinye zezindawo eziyinkimbinkimbi kakhulu nezinabantu abaningi kakhulu ekufakweni kwesibani se-wireless ngaphakathi endlini, ngoba zihlanganisa inani elikhulu kakhulu labasebenzisi nezakhiwo ezinkulu ezakhiwe ngamabomu ngezinto ezivimba amasignali ukuze kuvikeleke. Izikhumulo zezindiza, ikakhulukazi, ziveza inselele enkulu: amagumbi amakhulu ekhonkolo enensimbi, imigwaqo engaphansi komhlaba, nezindawo ezibucayi kwezokuphepha konke lokhu kudinga ukumbozwa okucophelelayo kwe-DAS ukuze abahambi bahlale bexhumekile nabasebenzi bekwazi ukuxhumana. Kulezi zindawo, ikhwalithi yokuhlangenwe nakho ibaluleke kakhulu, njengoba izigidi zabagibeli zilindele ukuphequlula i-inthanethi, ukubuka izinhlelo zokuzijabulisa, nokuxhumana nemindeni yabo ngenkathi belinde izindiza. Ubuningi babasebenzisi esikhumulweni sezindiza buyamangalisa, ngenkathi izixuku zezikhathi eziphakeme zidala izidingo ezinkulu zamandla okusebenza okumelwe zisekelwe uhlelo lwe-antenna olusabalalisiwe ngaphandle kokuphula izingcingo noma ukunciphisa isivinini sedatha. Iziteshi zezitimela nezinhlelo zamasimende (subway) zibhekana nezinselele ezifanayo, ikakhulukazi ezingxenyeni ezingaphansi komhlaba lapho kungekho ukungena kwasignali kusuka emibhoshongweni engaphezulu. Ama-antenna e-DAS akwaNarwhal, ngamandla awo obanzi (wideband) nezici eziphansi ze-PIM, afaneleka kahle kakhulu kulezi zinhlelo zokuhamba ezidingekayo, eqinisekisa ukumbozwa okuthembekile, okungenakuphazanyiswa okugcina izigidi zabagibeli bexhumekile nsuku zonke.

Ngaphandle kwamahhovisi nezokuthutha, imikhakha yezokungenisa izihambi, ezokunakekela impilo, nezokuthengisa incike kakhulu ku-DAS yangaphakathi ukuze inikeze ulwazi olukhethekile ezivakashini, ezigulini, nabathengi. Amahhotela kumele ahlinzeke ngokuxhumana okungenazihibe kumaselula kuwo wonke amagumbi ezivakashi, izindawo zemihlangano, nezindawo zokungcebeleka ukuze ahlangabezane nokulindelwe abahambi bebhizinisi nabezokungcebeleka banamuhla abathatha idatha yamaselula njengento ebalulekile. Izibhedlela zidinga ukumbozwa okuthembekile okungenantambo kwezokuxhumana kwabasebenzi bomtholampilo, ukuqapha iziguli kude, nokuxhumanisa izimpendulo eziphuthumayo, lapho ucingo olwehlulekile ngenxa yendawo engenasignali lungaba nemiphumela emibi. Izitolo ezinkulu, ngezindawo zazo ezinkulu ezivaliwe, ukwakhiwa okuminyene, nokugcwala kwezivakashi, zizuzisa ku-DAS evumela abathengi ukuba baqhathanise amanani, babheke izinkundla zokuxhumana, futhi benze izinkokhelo ezingenakho ukuthintana ngaphandle kokuphazamiseka. Kukho konke lokhu, indawo ebonakalayo iveza izithiyo ezihlukile: izindonga eziwugqinsi ezibhedlela, izinto zokuhlobisa emahhotela, nezindawo ezinkulu ezivulekile ezitolo. Izinhlobonhlobo zezintambo ze-DAS zikaNarwhal ezifakwa ophahleni nasezindongeni zinikeza ukuguquguquka okudingekayo ukuze kunqotshwe lezi zinselele ezihlukahlukene, zinikeze ukumbozwa okuthembekile okuthuthukisa ulwazi lwawo wonke umuntu ongena esakhiweni.

Uma kukhulunywa ngokuthenga ama-DAS antenna, umthombo womkhiqizo ubaluleke ngokulingana nomkhiqizo ngokwawo, ngoba ukwethembeka nokungaguquki kubalulekile kwingqalasizinda yenethiwekhi. I-Shenzhen Narwhal Electronic Technology Co., Ltd. isungule ukuzinza njengomkhiqizi othembekile wama-antenna okuxhumana nemikhiqizo ye-RF connectivity, nedumela elakhelwe kukhwalithi, ubusha, nesevisi. Izikhungo zethu e-Shenzhen, e-China, zihlonyiswe ngemigqa yokukhiqiza yesimanje, amagumbi okuhlola imvelo, nemishini ebanzi yokulinganisa i-RF, konke kugxile ekukhiqizeni ama-antenna ahlangabezana namazinga omhlaba. Sikhonza amakhasimende emhlabeni wonke, sithumela imikhiqizo yethu emazweni amaningi, futhi sigcina izitifiketi nezinhlelo zekhwalithi ezidingekayo ukusekela amakhasimende ezimbonini ezilawulwayo. Kulesi sigaba, sichaza izizathu ezenza abathengi abaqaphelayo, abahlanganisi bezinhlelo, nabasabalalisi bakhethe i-Narwhal njengozakwethu wesikhathi eside ezidingweni ze-DAS antenna. Kusukela ekujuleni kobunjiniyela bethu kuya kusevisi yethu yamakhasimende ephendulayo, siletha inani langempela kuyo yonke iphrojekthi esiyithintayo.

Ukuzibophezela kwethu kusezingeni liphelela kusukela ekuqaleni kwenqubo yokukhiqiza, lapho sisebenzisa khona izinto zokusetshenziswa eziqinisekisiwe, amathuluzi anemba aphezulu, kanye nezinqubo zokukhiqiza eziqinisekisiwe ukuze siqinisekise umphumela ongaguquki kuwo wonke amaqembu. Sisebenzisa uhlelo lokuphatha ikhwalithi lwangaphakathi oluhambisana ne-ISO 9001, futhi izinqubo zethu zokuhlola zihlanganisa ukukalwa kwe-VSWR okungu-100% kanye nokuqinisekiswa kwephethini ngokusampula ukuze sithole noma ukuphambuka okunoma yikuphi ekucacisweni ngaphambi kokuba umkhiqizo upakishwe. I-antenna ngayinye ye-DAS ekhiqizwa efektri yethu ingena ekuhlolweni kokugcina okuqinile okungahloli nje kuphela imingcele kagesi kodwa futhi nobuqotho bemishini, i-torque yezixhumi, kanye nokubukeka kobuhle, ukuze uthole umkhiqizo osebenza kahle ngaphandle kwephakethe. Igumbi lethu le-anechoic lisivumela ukuqinisekisa amaphethini emisebe yasendle, okusinikeza idatha edingekayo ukuze siqhubeke nokuthuthukisa imiklamo yethu futhi sinikeze amakhasimende amashidi edatha anembile. Lokhu kugxila okungaguquki ekulawuleni ikhwalithi kusitholele ukwethenjwa ngabaphathi bezokuxhumana nokontraka abangakwazi ukubekezelela ukwehluleka emkhakheni okuholela ekuvakasheni okuphindaphindiwe okubizayo. Ngokubambisana ne-Narwhal, uyazikhulula ekukhathazekeni ngezingxenye ezingezona ezangempela noma ezingezona izinga elingena ochungechungeni lwakho lokuhlinzeka, uvikela ubuqotho bofakazi lwakho lwe-DAS.

Njengomkhiqizi onobuchwepheshe obujulile bezobunjiniyela, i-Shenzhen Narwhal Electronic Technology Co., Ltd. inikeza izinsizakalo ezibanzi ze-OEM ne-ODM ezivumela amakhasimende ukuthi akhe ama-antenna aqondiswe ngokunembile ezidingweni zawo zemakethe noma zephrojekthi. Noma ngabe udinga ukubuyiselwa kabusha okulula kwemikhiqizo yethu ekhona nge-logo yakho nokupakishwa kwakho, noma idizayini ehlanganisiwe ngokugcwele enezici ezithile zikagesi namafomu, ithimba lethu lobunjiniyela lilungele ukusebenzisana nawe kusukela emcabangweni kuze kufike ekukhiqizweni okukhulu. Siyaqonda ukuthi amakhasimende ethu amaningi ngokwawo angabahlanganisi bezinhlelo noma abasabalalisi abadinga izixazululo zamalebula ayimfihlo ukuze bahlukanise imikhiqizo yabo, futhi siwavikela amalungelo abo omkhiqizo ngezivumelwano eziqinile zokuyimfihlo nokukhetheka. Ulwazi lwethu lokuthumela ngaphandle lusakazeka eNyakatho Melika, eYurophu, eNingizimu-mpumalanga ye-Asia, eMpumalanga Ephakathi, nase-Oceania, futhi sinolwazi olujulile ngezidingo zamadokhumenti nokuthobela imithetho zokuthumela kulezi zifunda ngazinye. Siphethe konke kusukela ekulebheni okuhambisana namasiko entela kuya ekulungiseleleni imibhalo yezobuchwepheshe, okwenza kube lula kubalingani baphesheya kwezilwandle ukuthi basebenze nathi. Lokhu kuhlanganiswa kokuguquguquka kokukhiqiza nobuchule bamazwe ngamazwe kwenza i-Narwhal ibe umlingani ofanelekile wokukhiqiza kumakhasimende afuna ukuncintisana emakethe yomhlaba wonke ye-DAS. Ukuze ufunde kabanzi ngamakhono ethu, zizwe ukhululekile ukuvakashela iwebhusayithi yethu.mayelana ikhasi noma hlola Izixazululo esizinikezayo.

Ukuncintisana kwezindleko nokuthembeka kochungechunge lokuhlinzeka kwezinto kungenye yezinto ezimbili ezinkulu kakhulu ezikhathazayo kunoma yimuphi umthengi wama-antenna e-DAS, futhi imodeli yethu yokukhiqiza ehlanganisiwe ngokuqondile isivumela ukuba sibhekane nakho kokubili ngempumelelo. Ngokulawula ukukhiqiza ngaphakathi emzini kunokuba sikunikeze izinkampani zangaphandle, sinciphisa izindleko ezingaphezulu futhi sikwazi ukuxoxisana ngamanani angcono ezinto zokusetshenziswa, okonga esikudlulisela ngqo kumakhasimende ethu ngendlela yezilinganiso eziqhudelanayo. Imikhiqizo yethu ejwayelekile igcinwa esitokweni lapho kungenzeka khona, ivumela ukuthunyelwa ngokushesha kwamamodeli adumile emaphrojekthini anezikhathi eziphuthumayo, kuyilapho amaphrojekthi akhethekile ezuzana ngokuhlela kwethu ukukhiqiza okusebenzayo nezikhathi ezicacile zokulinda. Siyaqonda imiphumela yokubambezeleka kokulethwa ezimisweni zokwakha, ngakho sigcina ukuxhumana okuvulekile namakhasimende ethu mayelana nesimo se-oda futhi sisebenza ngokuzimisela ukuxazulula noma yiziphi izinkinga ezingaba khona ngaphambi kokuba zibe nomthelela esikhathini sakho. Ithimba lethu lezokuthutha linolwazi olubanzi lokuhlela ukuthutha kwamazwe ngamazwe, noma ngendiza, olwandle, noma i-express courier, liqinisekisa ukuthi ama-antenna akho afika ephephile nangesikhathi. Uma ukhetha i-Narwhal, ukhetha uzakwethu othatha izikhathi zakho zokugcina njengezakhe, ekunikeza ukuthula kwengqondo kokuthi ukufakwa kwakho kwe-DAS kuzoqhubeka ngaphandle kokuphazamiseka okubizayo. Yilena indlela egxile ekukhonzeni eyenze saba ngumhlinzeki okhethwayo ezinkampanini eziningi ezihamba phambili emhlabeni, futhi ungabona umehluko ku-oda lakho lokuqala.

Ukuqala nge-Narwhal kuphrojekthi yakho elandelayo ye-DAS kuyinqubo eqondile nephusile, futhi ithimba lethu lizibophezele ekuqinisekiseni ukuthi ulwazi lwakho lokuthenga luhamba kahle ngangokunokwenzeka. Noma ngabe unephepha elinemininingwane elilungisiwe noma usasesigabeni sokuqala sokuhlela futhi udinga ukwelulekwa kwezobuchwepheshe, silapha ukukusiza kuzo zonke izinyathelo zohambo. Onjiniyela bethu bokuthengisa kanye nochwepheshe bezobuchwepheshe basebenza ndawonye ukuqinisekisa ukuthi imikhiqizo oyitholayo ihambisana ngqo nezinhloso zakho zokumboza, izidingo zakho zemvamisa, kanye nezithiyo zakho zokufaka. Sihlose ukuphendula yonke imibuzo ngokushesha, ngokuvamile ngosuku olulodwa lwebhizinisi, ngolwazi olucacile nolusebenzisekayo ukuqhubekisela phambili iphrojekthi yakho. Kulesi sigaba, sikuhambisa ngezinyathelo ezilula zokuthola isilinganiso esenziwe ngokwezifiso nokufaka i-oda lakho, ukuze uthole izimpondo ze-Narwhal DAS eziyizidingo zephrojekthi yakho ngaphandle kokubambezeleka. Ngokulandela lezi zinyathelo, ugwema izinkinga ezivamile zokungahambisani kwemininingwane futhi uqinisekisa ukudluliselwa okushelelayo kusukela ekuhleleni kuye ekufakeni.

Isinyathelo sokuqala esiya ku-oda eliphumelelayo ukuthi wabelane nathi ngezidingo zakho zobuchwepheshe, futhi uma unikeza imininingwane eminingi, siyakwazi ukucaphuna ngokunembile futhi sicebise imikhiqizo efanele. Okungenani, kufanele ufake amabhendi efrikhwensi odinga ukuwasekela, inzuzo ye-antenna oyifisayo, uhlobo lokufaka (ophahleni noma odongeni), kanye nohlobo lwe-connector oludingayo, njengoba lezi yizona pharamitha eziyisisekelo ezichaza noma iyiphi i-DAS antenna. Uma unomdwebo womthengisi, imodeli yesethenjwa, noma idokhumenti enemininingwane ye-RF design, lokho kungcono nakakhulu, ngoba kusivumela ukuthi siqhathanise nekhathalogi yethu futhi sihlonze ezinye izindlela ezingasetshenziswa noma izithuthukisi. Sicela futhi ucacise inani olidingayo kanye nesikhathi sokulethwa esiqondiwe, ngoba lokhu kunikeza ulwazi ekuhleleni kwethu ukukhiqiza kanye nesakhiwo sentengo yokugcina. Uma ungaqiniseki nganoma iyiphi yalezi pharamitha, ungakhathazeki; ithimba lethu lobunjiniyela lingakunikeza izincomo ezisekelwe ekwakhekeni kwebhilidi lakho kanye nohlobo lokusetshenziswa, liqinisekisa ukuthi uthola i-antenna efanele kusukela ekuqaleni. Indlela elula yokuthumela imininingwane yakho iwukusebenzisa i-Xhumana Nathi ikhasi, lapho ungathumela khona i-RFQ yakho ngqo noma ucele ukubuyiselwa kwefoni ukuze uthole ukuxoxisana okuningiliziwe.

Kumaphrojekthi ayinkimbinkimbi noma lapho udinga usizo ekukhetheni phakathi kwamamodeli ahlukene ama-antenna, ithimba lethu lokusekela ubuchwepheshe likulungele ukunikeza isiqondiso sochwepheshe nokusiza ukucwengisa izidingo zakho. Singahlela ingqungquthela yevidiyo noma ucingo ukuze sibuyekeze amamephu akho okumboza, amapulani aphansi ezakhiwo, nezidingo zenkampani yenethiwekhi, futhi sizosebenzisana nawe ukuze sincome isixazululo esiphelele se-antenna esihambisana nesabelomali sakho. Ithimba lethu lihlala linolwazi lwakamuva ngezitayela zemboni, okuhlanganisa izinqubo zokuklama ze-distributed antenna system 5G, futhi lingakweluleka ngezici ezintsha ezingasiza ekusetshenzisweni kwakho. Siyamukela noma imibuzo mayelana nokuhlolwa kwamasampula, ngoba kungahlakanipha ukuhlola i-antenna ephathekayo ngaphambi kokuzibophezela ku-oda elikhulu lokukhiqiza, futhi sinikeza amanani ancintisanayo amasampula ukuze sikhuthaze ukuqinisekisa kwakho. Ukufinyelela kithi kulula: vela uvakashele iwebhusayithi yethuIkhaya ikhasi ukuze uthole umbono wenkampani yethu, bheka i-Imikhiqizo ukuze uthole imininingwane eminingi, noma ufunde i-Izindaba ukubona intuthuko yethu yakamuva, bese uxhumana nathi nganoma yisiphi isiteshi esikufanele. Siyaziqhenya ngokuphendula, ngokubambisana, nangokutshala imali ngempela empumelelweni yamaphrojekthi amakhasimende ethu, futhi lowo mqondo uyabonakala ekusebenzelaneni ngakunye onalo neqembu lethu.

Ukufinyeleleka okuthembekile kwe-wireless ngaphakathi endlini sekuyingxenye ebalulekile yokuhlangenwe nakho kwesakhiwo sanamuhla, futhi uhlelo lwe-distributed antenna olwenziwe kahle luseyindlela ephumelela kakhulu yokuletha lokho kukholeka ngezinga elikhulu. Noma ngabe wakha isakhiwo esiphakeme esisha, uthuthukisa isikhumulo sezindiza esimatasa, noma ulungisa ihhovisi elidala, ukukhethwa kwama-DAS antennas kuqondana ngqo nekhwalithi yesevisi abasebenzisi bakho abayojabulela yona. I-Shenzhen Narwhal Electronic Technology Co., Ltd. inikeza uhla olubanzi lwama-wideband, high-gain, low-PIM, ceiling-mount, kanye nama-wall-mount antennas ahlangabezana nezidingo ezahlukahlukene zanoma yiliphi iphrojekthi ye-DAS yangaphakathi. Ukuzibophezela kwethu ekukhiqizeni okunekhwalithi, ukusungula imikhiqizo emisha, kanye nokusekelwa kwamakhasimende okukhethekile kusenza sibe nguzakwethu othembekile kubahlanganisi bezinhlelo nabanikazi bezakhiwo emhlabeni wonke. Ukukhula kwama-distributed antenna system 5G networks kuqhubeka kukhulisa ukubaluleka kokufaka ama-antenna akwazi ukuphatha amabhendi amasha futhi agcine ubuqotho besignali ngaphansi kwezimo ezinzima, futhi imikhiqizo yethu yakhelwe nalokhu kusasa engqondweni. Siyakumema ukuthi uxhumane nethimba lethu ukuze sixoxe ngezidingo zephrojekthi yakho, ucele amasampula, noma uthole isilinganiso sokuncintisana, futhi siyaqiniseka ukuthi singakunikeza isixazululo esedlula okulindelekile. Sebenzisana ne-Narwhal ekufakweni kwakho okulandelayo kwe-DAS, futhi uzokwakha inethiwekhi ethuthukisa ngempela indlela abantu abaphila ngayo, abasebenza ngayo, nokuxhumana kwabo.