I roto i ngā whatunga whakawhitiwhiti kōrero o ēnei rā, kua noho ngā Pūnaha Pūihi Tohatoha (DAS) hei otinga nui mā ngā kaiwhakahaere ki te aro atu ki te kapinga o roto, te whakarei ake i te kaha, me te tuku tohu maha-roopu. Ko te mahi a te DAS ehara i te mea ko ngā pūihi anake engari he nui te awe o ngā wāhanga kore mahi i roto i te pūnaha, inā koa ko ngā wehewehe hiko me ngā hononga aronga. Mā te whiriwhiri i ngā wāhanga tika ka whakatau tika i te kounga kapinga tohu me te whai huatanga o te whatunga whānui.
I. Te Tūranga o ngā Wehewehe Mana i roto i te DAS
Ko te nuinga o ngā whakawehe mana e whakamahia ana hei tohatoha ōrite i ngā tohu teihana turanga ki ngā tauranga pūihi o roto, kia taea ai te kapinga puta noa i ngā wāhi maha.
Ngā Whakaaro Matua i te Wā e Kōwhiria ana ngā Wehewehe Hiko:
Ngaronga Whakaurunga
Ko te iti o te ngaronga whakaurunga ka hua ake te pai o te tuku tohu. I roto i ngā kaupapa hipoki ā-roto nui, ka whiriwhiria e ngā kaiwhakahaere he wehewehe hiko iti te ngaronga hei whakaiti i te moumou hiko.
Te Wehenga o te Tauranga
Ka whakaitihia te whakawhitiwhiti kōrero i waenga i ngā tauranga e te wehenga teitei, ka whakarite i te motuhaketanga o te tohu i waenga i ngā pūihi rerekē.
Te Kaha Whakahaere Mana
I ngā horopaki tono mana nui (hei tauira, te DAS i ngā wāhi nui), he mea nui kia tīpakohia ngā wehewehe mana e kaha ana ki te whakahaere i te mana whakauru teitei ake kia pai ai te mahi mō te wā roa.
II. Te Whakamahinga o ngā Hononga i roto i te DAS
Ka whakamahia ngā hononga hei tango i tētahi wāhanga o te tohu mai i te pū matua hei whāngai i ngā pūihi i ngā wāhi motuhake o roto, pērā i ngā ara raro, i ngā papa rānei.
Ngā Whakaaro Matua mō te Kōwhiri i ngā Hononga:
Uara Hononga
Ko ngā uara hononga noa ko te 6 dB, 10 dB, me te 15 dB. Ka pā te uara hononga ki te mana kua tohaina ki ngā pūihi. Me whiriwhiri e ngā kaiwhakahaere te uara hononga tika i runga i ngā whakaritenga kapinga me te maha o ngā pūihi.
Te Ārahitanga me te Wehenga
Ka whakaitihia e ngā hononga aronga-teitei te whakaata tohu, ka whakarei ake i te pumau o te hononga matua.
Ngā Āhuatanga PIM Iti
I roto i ngā pūnaha 5G me ngā pūnaha DAS maha-roopu, he mea nui rawa ngā hononga whakawhitiwhiti iti-whakawhitiwhiti (PIM) hei karo i te pokanoa whakawhitiwhiti me te whakarite i te kounga tohu.
III. Ngā Rautaki Kōwhiri Whaihua mō ngā Kaiwhakahaere
I roto i ngā whakatinanatanga hangarau, ka whakaarohia e ngā kaiwhakahaere ngā āhuatanga e whai ake nei hei whiriwhiri whānui i ngā wehewehe hiko me ngā hononga:
Tauine Horopaki Kapinga: Ka whakamahia pea e ngā whare tari iti ngā whakawehe hiko ara-rua, ara-toru rānei, engari me whakamahi ngā papa tākaro nui, ngā taunga rererangi rānei i te huinga o ngā whakawehe hiko maha-wāhanga me ngā hononga rerekē.
Tautoko Maha-Rōpū: Me tautoko e te DAS hou ngā awhe auau mai i te 698–2700 MHz, tae atu ki te 3800 MHz. Me whiriwhiri e ngā kaiwhakahaere ngā wāhanga kore mahi e hototahi ana ki ngā roopu auau katoa.
Taurite Pūnaha: Mā te whakakotahi i ngā wehewehe hiko me ngā hononga hiko, ka taea e ngā kaiwhakahaere te whakarite kia taurite te kaha o te tohu puta noa i ngā wāhi katoa, me te karo i ngā wāhi matapo o te kapinga, te taupoki nui rawa rānei.
He kaihanga ngaio a Chengdu Concept Microwave Technology CO.,Ltd oNgā wāhanga ngaruiti kore mahi mō te pūnaha DAS, tae atu ki te tātari RF iti-haere, te tātari teitei-haere, te tātari roopu-haere, te tātari notch/tātari aukati roopu-haere, te duplexer, te wehewehe hiko me te hononga ahunga. Ka taea te whakarite i ēnei katoa kia rite ki ō hiahia.
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Wā tuku: Hepetema-16-2025