Indlela ekusetyenziswa ngayo I TV specrum ezingasetyenziswayo ukuzisa amaxabiso aphantsi e intanethi eluntwini

Ipapashwe ngu Umphathi ivuliwe

 Isixhobo se CSIR's Spectrum Sensing
 Isixhobo se CSIR's Spectrum Sensing

Iziqhukuvana ze electromagnetic frequency spectrum ezibizwa nge  Television White Spaces(TVWS ) zingasetyenziswa ukubonelela i-intanethi efikelelekayo kubemi boMzantsi afrika jikelele.

Amandla alo mboniso wenyuswe sisigqibo se-ICASA sokugunyazisa ukusetyenziswa ngabasebenzisi beTVWS ngalo lonke ixesha le-COVID-19 State of Disaster.

Lo manyathelo aphunyezwa kunye nolwabiwo lwethutyana lwesahlulo esibonakalayo kubanini abazihambelayo.

Ukuxhasa oku, iBhunga loPhando lwezeNzululwazi nezoShishino (i-CSIR) libhengeze inyathelo lokubonelela ngetekhnoloji eliyiphuhlisileyo ukunceda ukuhambisa uthungelwano lweTVWS, simahla.

“Oku kukwangumzamo wokuphucula ubuxhakaxhaka bobuchwephesha besizwe kunye nokubonelela ngolwazi olufanelekileyo nolusexesheni kuluntu ekulweni ubhubhane we-COVID-19,” utshilo uMphathi weNgingqi ye-CSIR uNtsibane Ntlatlapa.

Ezi nethiwekhi zikulungele ukuhambisa ibhendi ebanzi kuluntu olungagcinwanga kakuhle kunye nokongeza uqhagamshelo kwiindawo ezinengxinano enkulu yenethiwekhi.

EMzantsi Afrika, inkqubo kamabonakude ye-analogu isasazwa ngapha nangapha kwamaza erediyo ngaphakathi kwamanqanaba asezantsi e-EMF.

Ii-TVWS ziyinxalenye okanye umsantsa ongasetyenziswanga osasazwa phakathi kweebhendi ezabelwe abasasazi be-TV kuLuhlu oluPhakamileyo lwee-Frequency (UHF).

Ezi zikhewu zifunyanwa phakathi kwe-470MHz kunye ne-694MHz, kwaye zibonakala njengababukeli "bekhephu" abaza kubona xa bekhangela amajelo e-TV ye-analog.

Umboniso weTVWS unokuba luncedo ngakumbi ekuboneleleni ngokudityaniswa kwesantya esiphakathi kwiindawo ezinkulu.

Iimpawu zamaza kweli qela zibenza bakwazi ukudlulisa umgama omde kunye nokungena kwizinto ezenziwe ngabantu nakwindalo.

La maza angadlulisela idatha kwisantya esimalunga ne-24Mbps kumgama we-10km.

Indawo yolwazi ye-Geo-indawo

Ukulungiselela ukuhambisa uqhagamshelo lwebhendi ebanzi ngaphezulu kweTVWS, kufuneka kubekho ulawulo lweziphi iindlela ezinokusetyenziswa ngaphakathi kweendawo ezithile ukuthintela ukugqagqana okanye ukuphazamiseka kwemiqondiso kubasebenzisi abakhoyo.

Ngenxa yoku, i-ICASA igqibe ngendalo enamanqanaba amathathu kwimigaqo yeTVWS epapashwe ngo-Matshi 2018.

Iindidi ezimbini zolwazi lwendawo ekumgangatho we-geo (GLSD) -Ireferensi ye-GLSD (R-GLSD) kunye ne-GLSD yesibini (i-S-GLSD) -ihlala kwindawo yokuqala neyesibini ngokulandelelana.

I-ICASA isebenza nge-R-GLSD enye ukwenza ubalo olusisiseko lweemephu ze-TVWS zoMzantsi Afrika ukulungiselela ukuseta imida efanelekileyo yolawulo.

I-S-GLSD ezininzi zilawulwa ngababoneleli beGLSD abaqeqeshiweyo, apho enye ye-CSIR. I-S-GLSD ihambisa ulawulo oluzenzekelayo lwembonakalo ngokuchonga ubungakanani bembonakalo engasetyenziswanga kuluhlu lwe-UHF.

Isebenza njenge "Spectrum switch" eqinisekisa izixhobo zikanomathotholo ezisetyenziselwa ukubonelela ngoqhagamshelo lwebhendi ye-TVWS engaphazamisi amajelo asetyenziswayo.

Ulufikelela njani unxibelelwano lwe-Intanethi

Izixhobo zonomathotholo ezaziwa ngokuba zii-White Spaces Devices (WSDs) zisetyenziswa ngabaqhubi ukubonelela ngoqhagamshelo lwe-Intanethi ngaphandle kwelayisensi ekhethekileyo yosasazo ngaphakathi kweebhendi eziqinisekisiweyo ze-ICASA.

Iindidi ezimbini ze-WSD zichazwa yimigaqo ye-ICASA ye-TWVS- eyile nguFixed no-Nomadic, ekwabizwa ngokuba yi-Master kunye ne-Client WSDs.

Owayesakuba yiNjineli ePhakamileyo kwizisombululo ze-Intanethi uRoger Hislop ucacisile ukuba i- TVWS ifaneleke ngokukodwa kubaqhubi bexabiso eliphantsi, njengamalungu oMbutho wabaBoneleli boFikelelo kwiiNethiwekhi (WAPA).

Oku kubandakanya ababoneleli beenkonzo ze-Intanethi ezingenazingcingo (WISPs), abasebenzisa isibuko esingenamaphepha-mvume esabelwe ukusetyenziswa kweWi-Fi ukubonelela ngoqhakamshelwano.

"Abasebenzisi abadingi mali inkulu yokufaka ii-TVWS uthungelwano ngendlela abaqhubi benethiwekhi yethu yeselfowuni abafuna ukuxhasa ngayo izibonelelo zabo," utshilo.

U-Hislop uqaphele ukuba ezi zixhobo zisebenza ngokufanelekileyo kwaye zinokuxhaswa ngokulula ngamandla elanga. Ukongeza, ababoneleli akufuneki bahlawule ilayisensi yesibanzi.

Ngamanye amagama, kubaqhubi beTVWS imiqobo yokungena neyokusebenza iphantsi. Oku kuthetha ukuba inokwenzeka into yokuba isizukulwana esitsha ngokupheleleyo sabanikezeli beenkonzo eziphazamisayo ukungena kweli candelo sikhona, ”utshilo u-Hislop.

I-CSIR ibonelele ngokwahlulwa kwexabiso eliqhelekileyo lezixhobo ezifunekayo ukukhupha isiseko sesikhululo seTVWS nge-Master WSD kunye ne-CPE nge-Client WSD.

Ikhithi yesitishi samacandelo amathathu isebenza ukuya ngaphantsi kwe-R85,400, ngelixa i-CPE ixabisa malunga ne-R15,400.

Ixabiso lezixhobo zeTVWS

Ubambiswano lweCSIR neTIA

I-CSIR isebenza kumacandelo eDynamic Spectrum Access and Spectrum Management ukusukela ngo-2009 kwaye iphuhlise iqonga layo le-S-GLSD.

"I-CSIR S-GLSD yitekhnoloji ebalulekileyo yokuvumela ababoneleli ngeenkonzo ze-Intanethi ukuba basebenzise uthungelwano lwe-Broadband ye-Broadband ngokukhawuleza kwisiseko se-geolocation kwiindawo ekunzima ukufikelela kuzo nakwezingafumanekiyo ngexesha lobhubhane we-COVID-19," utshilo ibhunga.

"I-CSIR imeme abanomdla kwinethiwekhi yeTVWS evunywe yi-ICASA ukuba basebenzise iinkonzo zayo ze-S-GLSD simahla."

Idibene ne-Arhente yeTekhnoloji yoTshintsho (i-TIA) ukubonelela ngenkxaso-mali efunekayo ukwenza ubuchwephesha be-GLSD bufumaneke simahla kwii-SMMEs ezinomdla wokubonelela ngeenkonzo ze-intanethi ze-intanethi ngokuhambisa uthungelwano lwe-TVWS.

Umphenyi oyintloko we-CSIR uGqirha Fisseha Mekuria uthe le ntsebenziswano izakuxhasa ukubonelelwa “kolwazi olusindisa ubomi kunye nokwenza ukuba abantu bakwazi ukufunda nge-intanethi,” ingakumbi kwiindawo ezazifudula zisingelwe phantsi nakwimimandla esemaphandleni.

Inqaku elipheleleyo, lokuqala lingafumaneka apha .


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