
dii. vii. bii-ezz.

hibrid saattalait/terrestrial downlink, udaaharanathinu gprs uplink ennivaye adisthaanamaakki mobail phoneukal allengil pdas polulla handheld terminalukalilekku aipi adisthaanamaakkiyulla media ulladakkavum daattayum athikkunnathinulla oru physical lair staanderdaanu dvb-shhaa ("digital viidiyoo broadcasting-saattalait sevanangal tuu handhelds"). 2007 februvariyil dii. vii. bii. padhathi dii. vii. bii-shhaa staanderd prasidheekarichu.
3 Ghz-ll thaazheyulla aavruthikalkkaayi roopakalppana cheythirikkunna dvb-shi sisttam, yuu. echu. eph baand, ell baand allengil ezz-baandine pinthunaykkunnu. ithu nilavilulla dvb-echu physical lair staanderdinu poorakavum mechappeduthunnu. athinte sisttar specification (dvb-echu) pole, ithu dvb aipi daattakaast (ipdc) delivari, electronic sevana gaidukal, sevana vaangal, samrakshana maanadandangal ennivaye adisthaanamaakkiyullathaanu.
saadhaarana vivaranam.
vaasthuvidya.
rund bhauthika paalikalundu (bhouma, upagraham), ithu sisttam konfigareshan oopshanukal vardhippikkunnu. traansmitted signal moduleshane aashrayich namukk rund tharatthilulla aarkkitekcharukal kandethanakum shhaa-eiii, shhaa-bii.
shhaa-aaa vaasthuvidya.
bhouma, upagraha paalikal oorthoogoonal freekwansi-division multiplexing (ofdm) upayogikkunnu, eee modulation malttipaathu prashnam pariharikkunnu, avide ore tokkan bounsukal kaaranam kaalathaamasathode onniladhikam thavana sweekarikkaan kazhiyum. rund traansmittarukalilum dm upayogam single freekwansi netvarkkukal (sfn) srishtikkaan prapthamaakkunnu, ithu spectral karyakshamatha vardhippikkunnu, pakshe bhouma signal upagraham kaimaattam cheiyunnathinu samaanamaanenn nirbandhikkunnu. ekkaaranathaal, ore moduleshanodukoodiya vividha chaanalukaliloode prakshepanam cheyyaan kazhiyunna bhouma, upagraha gadakangalkku multy-freekwansi network (emm. eph. enn) nadappilakkaan anuvaadamundu.
shhaa-bii vaasthuvidya.
bhouma ghadakam oo. eph. dii. emm upayogikkunnu, ennaal upagraham time division multiplexing (tii. dii. emm) upayogikkunnu. edapedal ozhivakkaan rund gadakangalum vyathyastha aavruthikalil prakshepanam cheyyendathundu. ezz. eph. enn srishtikkunnathu saadhyamalla, pakshe upagrahathinte signal transmission prakadanam vardhippikkunnu, kaaranam tdm itharathilulla traansmissionukalil mikacha reethiyil pravartthikkunnu.
dvb-echu-maayi thaarathamyam cheyyuka.
dvb-echu-maayi thaarathamyappeduthumbol dvb-echu niravadhi mechappeduthalukal ulkkollunnu
aduthide, bii. emm. sii. oo foratthil ninnulla (aalkaattal epril 2008) phalangal yuu. echu. eph freekwansikalile dii. vii. bii-echu, dii. vii. bii-ezz. echu ennivaykkidayilulla signal aavasyakathakalil kuranjathu 5.5 db radio mechappeduthal kaanikkunnu. signal aavashyakathakalile mechappeduthalukal mikacha inn-building penetration, mikacha inn-kaar kavarej, outtdoor kavarejinte vipuleekaranam ennivayilekku vivarthanam cheiyunnu. dvb-shhaa chipsettukal ippol dibcom, enxp ardhachaalakangal vikasippichedukkunnu, 2008 nte thudakkathil labhyamaakumenn prathekshikkunnu. praadhamika savisheshathakal kaanikkunnath chipsettukal uhf, ezz-baand ennivaye pinthunaykkunnuvennum dvb-echu-maayi poruthappedunnuvennum kaanikkunnu.
2008 kyu3. dibcom dvb-shhaa 2008 kyu3-ll labhyamaya oru dvb-shhaa chipp dibcom prakhyaapichu.
chippinu "vhf, uhf, ell-baand, ezz-baand aavruthikale pinthunaykkunna duval rf tunerukal undu".
padhathi samghadana.
franch agence dii ell innoveshan industrial ippol eee sramathinu dhanasahayam nalkunnathu aalkaattal-loosantinte neethrthwathilulla oru padhathiyaaya tvmsl vazhiyaan, ithu hibrid upagrahatinum bhouma prakshepanatthinum anuyojyamaaya dvb-shhaa staanderd vikasippikkaan padhathiyidunnu. sagem wireless, alenia, rfs, phillips, dibcom, teamcast, udkaast, cnrs, intia, cea-letti ennivayaanu tvmslil ulppedunna mattu pankaalikal.
upagrahangal.
amerikkayile ettavum valia saattalait oopparettarmaaril oralaaya aii. sii. oo 2007ll aalkaattal-lucent, expay enniva upayogichu dvb-sheyil oru hibrid saattalait/terrestrial network raajyavyaapakamaayi vinyasikkumennu prakhyaapichu. dvb-shhaa saankethikavidya vahikkunna ico jii 1 upagraham 2008 epril 14 nuu vikshepichu. ithu bhramanapathathile lokathile aadyathe dvb-shhaa upagrahamaan.
oru solaris mobail (yoottalsaatt, sess samyuktha samrambham, ippol ekkostaar mobail) vahikkunna yoottalsaatt dablyu2eiii upagraham dvb-ezz baand payload 2009 epril 3 nuu vikshepichu. ithu padinjaaran europine ulkkollum. 2009 meyy maasathil ezz-baand payload sevanathilekku praveshikkaan theerumaanichirunnuvenkum nilavil anweshanam nadakkunna oru kramakkedukal kaaranam ithu sambhavichilla. 2009 juulai 1nuu solaris mobail insurance claim phayal cheythu. saankethika kandethalukal soochippikkunnathu kambanikku chila sevanangal vaagdaanam cheyyaan kazhiyanam, pakshe athu vaagdaanam cheyyaan uddeshichirunna ellah sevanangalum allah.
europaasaatt ennu vilikkunna inmaarsaattinte baand saattalait prograam, europian unionile ellah amgaraajyangalilum, mosco, ankaara ennividangalilum mobail multimedia prakshepanam, mobail tuu-way broadband telecommunication, adutha thalamura mss sevanangal enniva oru hibrid saattalait/terrestrial network vazhi nalkum. ithu thails alenia space nirmmikkukayum 2011 nte thudakkathil ails vikshepikkukayum cheyyum.
pareekshanangal.
niravadhi nagarangalilum raajyangalilum dvb-echu/shhaa pareekshanangal ippol nadakkunnu
ireland,
yunaittad kingdom, maleshya, singapur, helsinghi, berlin, kembridge, pittsburg, paarees, tehran, madrid, sidney, dakshinaafrikka, taiwan, dhaa hage, brassels, bernn, vienna, nyoosiland, phillippines, copenhagen, budapest, erlanchan, srilanka, rossellaire, india.
ezz-baandile dvb-shine europil oru badalaayi kaanunnu. sameepakaala feeld pareekshanangalum padanangalum dvb-echu staanderdinekkaal radioyile mikacha prakadanam kaanichu, ithu network vinyasathinulla chelavu valare kuraykkunnathinu kaaranamakum.
fraansil veendum, ezz. eph. aarum aalkaattal-loosantum chernnu oru dvb-shhaa trial vinyasichu. eee paarambarya saankethikavidyayude swaabhaavika parinamamaaya dii. vii. bii-echu. yekkaal dii. vii. bii-ezz. echu.-nte shreshtathayekkurichulla saidhaanthika anumanangal phalangal sthireekarichu.
italiyil, 3 itaaliya, raay, aalkaattal-lucent enniva italiyile aadyathe dvb-shhaa vichaaranaykkaayi chernnu.
amerikkayil, dish netvarkkum aalkkaadal-loosantum njangalil aadyathe dvb-shhaa trialinaayi chernnu.