Ni irihe tandukaniro riri hagati ya sisitemu ya sitasiyo ya 5G na 4G

1. RRU na antene byahujwe (bimaze kugaragara)

5G ikoresha tekinoroji ya MIMO nini (reba 5G Amasomo Yibanze Yubumenyi Kubantu Bahuze (6) -Massive MIMO: Umwicanyi Ukomeye wa 5G na 5G Amasomo yubumenyi bwibanze kubantu bahuze (8) -NSA cyangwa SA? Iki nikibazo gikwiye kubitekerezaho ), antenne yakoreshejwe yubatswe-yigenga ya transceiver yigenga igera kuri 64.

Kubera ko mubyukuri nta buryo bwo kwinjiza ibiryo 64 munsi ya antenne no kumanika kuri pole, abakora ibikoresho 5G bahujije RRU na antene mubikoresho bimwe-AAU (Active Antenna Unit).

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Nkuko mubibona mwizina, A yambere muri AAU isobanura RRU (RRU irakora kandi ikenera amashanyarazi kumurimo, mugihe antenne iba pasiporo kandi irashobora gukoreshwa idafite amashanyarazi), naho AU yanyuma isobanura antene.

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Kugaragara kwa AAU bisa na antenne gakondo.Hagati yishusho hejuru ni 5G AAU, naho ibumoso niburyo ni antene gakondo ya 4G.Ariko, niba usenye AAU:

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Urashobora kubona ibice byuzuye byigenga byigenga byimbere, birumvikana ko umubare rusange ari 64.

Tekinoroji ya optique yohereza fibre hagati ya BBU na RRU (AAU) yarazamuwe (bimaze kugaragara)

Mu miyoboro ya 4G, BBU na RRU bakeneye gukoresha fibre optique kugirango bahuze, kandi ibipimo bya radiyo yumurongo wa radiyo yoherejwe muri fibre optique bita CPRI (Rusange rusange ya Radio rusange).

CPRI yohereza amakuru yumukoresha hagati ya BBU na RRU muri 4G kandi nta kibi kirimo.Nyamara, muri 5G, kubera ikoreshwa rya tekinoloji nka Massive MIMO, ubushobozi bwa selile imwe ya 5G burashobora ahanini kugera ku nshuro zirenga 10 izo 4G, bihwanye na BBU na AAU.Igipimo cyamakuru yohererezanya amakuru kigomba kugera ku nshuro zirenga 10 icya 4G.

Niba ukomeje gukoresha tekinoroji ya CPRI gakondo, umurongo wa fibre optique hamwe na module ya optique uziyongera inshuro N, kandi igiciro cya fibre optique na module ya optique nayo iziyongera inshuro nyinshi.Kubwibyo, kugirango tuzigame ibiciro, abacuruza ibikoresho byitumanaho bazamuye protocole ya CPRI kuri eCPRI.Iri vugurura riroroshye cyane.Mubyukuri, ihererekanyabubasha rya CPRI ryimuwe kuva kumurongo wambere wumubiri na radio yumurongo ugana kurwego rwumubiri, kandi gakondo gakondo igabanijwemo urwego rwohejuru rwumubiri nu rwego rwo hasi.

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3. Gutandukanya BBU: gutandukanya CU na DU (ntibizashoboka mugihe gito)

Mugihe cya 4G, sitasiyo fatizo BBU ifite imikorere yindege igenzura (cyane cyane kubuyobozi bukuru bugenzura) hamwe nibikorwa byindege yabakoresha (ikibaho gikuru hamwe nubuyobozi bwa baseband).Hano hari ikibazo:

Buri sitasiyo fatizo igenzura amakuru yayo kandi igashyira mubikorwa algorithm.Muri rusange nta guhuza hamwe.Niba imikorere yo kugenzura, ni ukuvuga, imikorere yubwonko, irashobora gukurwaho, sitasiyo nyinshi zifatizo zirashobora kugenzurwa icyarimwe kugirango zigerweho hamwe no kwivanga.Ubufatanye, amakuru yohereza amakuru azaba menshi cyane?

Mumuyoboro wa 5G, turashaka kugera kuntego zavuzwe haruguru mugabanye BBU, kandi imikorere yo kugenzura ikomatanyirijwe hamwe ni CU (Igice cyo hagati), kandi sitasiyo fatizo hamwe numurimo wo kugenzura utandukanijwe hasigaye gusa gutunganya amakuru no kohereza.Imikorere ihinduka DU (Ikwirakwizwa ryagabanijwe), sisitemu ya 5G ya sitasiyo ihinduka:

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Munsi yubwubatsi aho CU na DU batandukanijwe, umuyoboro wohereza nawo wahinduwe uko bikwiye.Igice cyimbere cyimuwe hagati ya DU na AAU, kandi umuyoboro wo hagati wongeyeho hagati ya CU na DU.

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Ariko, icyifuzo kiruzuye cyane, kandi ukuri ni uruhu.Gutandukanya CU na DU bikubiyemo ibintu nkinkunga yinganda zinganda, kubaka ibyumba bya mudasobwa, kugura ibikorwa, nibindi ntibizagerwaho mugihe gito.Ubu 5G BBU iracyari nkiyi, kandi ntaho ihuriye na 4G BBU.

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Igihe cyo kohereza: Apr-01-2021