Ina tata te tatau ki ngā rohe ā-tinana o te tere karaka, ka tahuri tātou ki ngā hoahoa maha-matua. Ina tata te whakawhitiwhiti kōrero ki ngā rohe ā-tinana o te tere tuku, ka tahuri tātou ki ngā pūnaha maha-pūihi. He aha ngā painga i ārahi i ngā kaipūtaiao me ngā kaihangarau ki te whiriwhiri i ngā pūihi maha hei pūtake mō te 5G me ētahi atu whakawhitiwhiti kōrero ahokore? Ahakoa ko te kanorau ā-wāhi te hihiri tuatahi mō te tāpiri i ngā pūihi ki ngā teihana turanga, i kitea i waenganui o te tekau tau atu i 1990 ko te tāuta i ngā pūihi maha ki te taha Tx me/ranei Rx ka whakatuwhera i ētahi atu mea kāore i kitea i mua i ngā pūnaha pūihi kotahi. Me whakaahua e tātou inaianei ngā tikanga matua e toru i roto i tēnei horopaki.
**Whakaahua Hiko**
Ko te hanga hihi te hangarau matua e hangai ana ki te paparanga ā-tinana o ngā whatunga pūkoro 5G. E rua ngā momo hanga hihi:
Te hanga hihi matarohia, e mōhiotia ana ko te Raina-o-te-Tirohanga (LoS) te hanga hihi ā-tinana rānei
Te hanga hihi whānui, e mōhiotia ana ko te Non-Line-of-Sight (NLoS) te hanga hihi mariko rānei
Ko te whakaaro kei muri i ngā momo hanga hihi e rua ko te whakamahi i ngā pūihi maha hei whakarei ake i te kaha o te tohu ki tētahi kaiwhakamahi, me te pehi hoki i ngā tohu mai i ngā pūtake whakararuraru. Hei tauira, ka whakarerekētia e ngā tātari matihiko te ihirangi tohu i roto i te rohe auau i roto i tētahi tukanga e kiia nei ko te tātari hihi. Waihoki, ka whakarerekētia e te hanga hihi te ihirangi tohu i roto i te rohe ā-wāhi. Koia te take e kiia ai hoki ko te tātari ā-wāhi.
He roa te hītori o te hanga hihi ā-tinana i roto i ngā rauropi tukatuka tohu mō ngā pūnaha sonar me te radar. Ka whakaputahia e ia ngā hihi tūturu i te wāhi hei tuku, hei whiwhi rānei, ā, nō reira he hononga tata ki te koki taenga mai (AoA) te koki wehenga atu rānei (AoD) o te tohu. He rite ki te hanga a te OFDM i ngā awa whakarara i roto i te rohe auau, ka hangaia e te hanga hihi matarohia, ā-tinana rānei ngā hihi whakarara i roto i te rohe koki.
I tētahi atu taha, i tōna āhua māmā rawa, ko te tikanga o te hanga hihi whānui, mariko rānei, ko te tuku (te whiwhi rānei) i ngā tohu ōrite mai i ia pūihi Tx (Rx rānei) me ngā taumahatanga wāhanga me te whakanui e tika ana kia whakanuia ai te mana tohu ki tētahi kaiwhakamahi. Kāore i rite ki te urungi ā-tinana i tētahi hihi ki tētahi ahunga, ka puta te tuku, te whiwhi rānei i ngā ahunga katoa, engari ko te mea nui ko te tāpiri i ngā tārua maha o te tohu ki te taha whiwhi hei whakaiti i ngā pānga memeha maha-ara.
**Whakareatanga ā-Wāhi**
I roto i te aratau whakarea ā-wāhi, ka wehea te awa raraunga whakauru ki ngā awa whakarara maha i roto i te rohe ā-wāhi, ka tukuna ia awa mā roto i ngā mekameka Tx rerekē. Mēnā ka tae mai ngā ara hongere mai i ngā koki rerekē i ngā pūihi Rx, me te kore hononga, ka taea e ngā tikanga tukatuka tohu mamati (DSP) te huri i tētahi reo ahokore hei hongere whakarara motuhake. Ko tēnei aratau MIMO te take nui mō te pikinga o te tere raraunga o ngā pūnaha ahokore hou, nā te mea ka tukuna ngā mōhiohio motuhake mai i ngā pūihi maha i runga i te whānui kotahi i te wā kotahi. Mā ngā rauropi kimi pēnei i te kore kaha (ZF) ka wehea ngā tohu whakarerekētanga mai i te pokanoa o ētahi atu pūihi.
E ai ki te pikitia, i roto i te WiFi MU-MIMO, ka tukuna ngā awa raraunga maha ki ngā kaiwhakamahi maha mai i ngā pūihi tuku maha i te wā kotahi.
**Te Whakawaehere Wā-Wā**
I tēnei aratau, ka whakamahia ngā kaupapa waehere motuhake puta noa i te wā me ngā pūihi, ki te whakatauritea ki ngā pūnaha pūihi kotahi, hei whakarei ake i te kanorau tohu whiwhi me te kore e ngaro te tere raraunga i te kaiwhiwhi. Ka whakarei ake ngā waehere wā-wāhi i te kanorau ā-wāhi me te kore e hiahiatia he aromatawai hongere i te tuku me ngā pūihi maha.
He kaihanga ngaio a Concept Microwave mō ngā wāhanga RF 5G mō ngā pūnaha Antenna i Haina, tae atu ki te tātari RF iti-haere, te tātari teitei-haere, te tātari bandpass, te tātari notch/tātari aukati band, te duplexer, te wehewehe hiko me te hononga ahunga. Ka taea te whakarite i ēnei katoa kia rite ki ō hiahia.
Nau mai ki tō mātou paetukutuku:www.concept-mw.commēra mai rānei ki a mātou ki:sales@concept-mw.com
Te wā tuku: 29-Pepuere-2024