Kuva iptv yinjiye ku isoko mu 1999, umubare w'iterambere wagiye ryihuta. Biteganijwe ko abakoresha ku isi bazagera kuri miliyoni zirenga 26 muri 2008, kandi igipimo cyo kwiyongera buri mwaka kubakoresha IPTV mu Bushinwa kuva 2003 kugeza 2008 bizagera kuri 245%.
Ukurikije ubushakashatsi, kilometero yanyuma yaIptvKwinjira bikoreshwa muburyo bwa DSL bwo kubona, nuwagabuwe no gutuzwa hamwe nibindi bintu, kandi inkwi ni ndende yo kubaka ikiguzi ni ndende, kandi ukwezi kurambuye, kandi biragoye. Kubwibyo, uburyo bwo gukemura ikibazo cya nyuma yikile cya IPTV ni ngombwa cyane.
Wimax (Isi yose yisi yose) ni umuyoboro mugari wikoranabuhanga mu buryo busanzwe. Irashobora gusimbuza DSL iriho kandi yifuzwa cyane kugirango itange imiterere ihamye, mobile yumurongo wa Broadball. Bitewe nigiciro gito cyubwubatsi, imikorere yo mu rwego rwo hejuru no kwizerwa cyane, bizaba ikoranabuhanga ryiza ryo gukemura ikibazo cya nyuma cya IPTV.
2, iki gihe cya IPTV kwinjira muri tekinoroji
Kugeza ubu, ikoreshwa ryikoranabuhanga risanzwe ryo gutanga serivisi za IPT ririmo DSL yihuta cyane DSL, FTTB, ftth hamwe nundi mutsindire. Kubera ishoramari rito mugukoresha sisitemu ya DSL ihari kugirango ishyigikire serivisi za IPTV, 3/4 ya abakora itumanaho muri Aziya yo hejuru kugirango uhindure ibimenyetso bya DSL kugirango batange serivisi za TV.
Ibirimo byingenzi bya IPTV Ikirwa cya VED na TV. Kugirango tumenye neza ko iPGV nziza yagereranijwe nurwo rwurubuga rwabafite ububiko bwaho, umuyoboro wa IPTV usabwa gutanga ingwate mu gihirako cya IPTV, nibindi bikoresho bya DSL ntibishoboye kuba byinshi. IPV4 ya protokole, ntushyigikire byinshi. Nubwo ari ubuhe buryo buracyari umwanya wo kuzamura ikoranabuhanga rya DSL, hari impinduka nke zifatika zirimo umurongo wa bandwidth.
3, ibiranga tekinoroji ya Wimax
Wimax ni umuyoboro mugari winoference kubonana na Ieee8.16, nicyo gisanzwe cyindege gisanzwe kuri microwave na milimeter ya bave band band bande. Irashobora gutanga igipimo cya 75MBIT / s, sitasiyo imwe igana kugeza kuri 50km. Wimax yagenewe Lansless Lans no gukemura ikibazo cyanyuma kilometero yanyuma yo kubona interineti, bikoreshwa mu guhuza ibigo cyangwa urugo mumurongo wa wired, kandi ushobora gukoreshwa nkumugozi numurongo wa DTH na DTH. Irashobora kandi gukoreshwa muguhuza ibidukikije nkubucuruzi cyangwa urugo kumugongo wifunsi, kandi urashobora gukoreshwa nkigikorwa cyo kwagura umugozi na DSL kugirango ushobore kubona umurongo wa Broadbale.
4, Wimax Menya ko ImpV
(1) Ibisabwa muri IPTV kumurongo
Ikintu nyamukuru kiranga ipv ni imikoranire kandi yigihe gito. Binyuze muri Serishi ya IPT, abakoresha barashobora kwishimira ubuziranenge (hafi yurwego rwa DVD) Serivise y'Itangazamakuru rya Digital, kandi zirashobora guhitamo imiyoboro ya Broadband IP, zivuga imikoranire itangaje hagati yibitangazamakuru n'abaguzi bashinzwe itangazamakuru.
Kugirango umenye neza ko iPTV nziza ya iPTV imaze kugereranywa nuwo muyoboro wa Cable uriho, harasabwa umuyoboro wa IPTV usabwa kugirango ubashe gutanga ingwate mubijyanye na barwidth, umuyoboro wo guhinduranya umugozi, umuyoboro Qos, nibindi. Kubijyanye numukoresha uhageraho umurongo, gukoresha ikoranabuhanga rihari cyane, abakoresha bakeneye byibuze 3 ~ 4MBIT / s Drowlink igera kuri bandidth, niba kwanduza amashusho yo hejuru, niba induru ya videwo yo hejuru, isabwa kandi hejuru; Mu miyoboro ihinduranya gutinda, kugirango abakoresha iptv bahinduranya hagati yimiyoboro itandukanye, ikwirakwizwa rya TV isanzwe isaba byibuze umurongo wa digical (DSLL) gushyigikira IPPrabuhanga. Kubijyanye na quarume Qos, gukumira igihombo cya packet, futter nizindi ngaruka ku bwiza bwa IPTV.
(2) Kugereranya uburyo bwo kubona Wimax hamwe na DSL, Ubu buryo bwa Wi-Fi na FTTX
DSL, kubera inzitizi zayo za tekiniki, haracyari ibibazo byinshi mubijyanye nintera, igipimo nigihe gisohoka. Ugereranije na DSL, Wimax irashobora gutwikira akarere ganini, gutanga umubare wihuse yamakuru, ufite igipimo kinini ningwate za Qos.
Ugereranije na Wi-Fi, Wimax ifite inyungu za tekiniki yo gukwirakwiza kwaguka, gukomera kwa Qos n'umutekano bishingiye ku muyoboro wa kabiri (ETC. Wimax ishingiye kuri Wimax idafite umugozi ishingiye kuri metropolitan ya Wireless Metropolitan (WMman) isanzwe, ikoreshwa cyane cyane kuri serivisi yihuta yihuta ihamye kandi yihuta.
FTTB + LAN, nkuburyo bwihuse-bwihuta bwo kwinjira, ikoraIptvSerivisi idafite ikibazo cyatuyemo, ariko igarukira kukibazo cyo kwinjiza mu nyubako, ikiguzi cyo kwishyiriraho no kwandura intera iterwa numugozi uhindagurika. Ingoma nziza ya Wimax idahuza-ibimenyetso, kohereza byoroshye hamwe nububiko bwa QoS bwa serivisi numutekano byiza byose bikaba uburyo bwiza bwo kubona uburyo bwiza bwo kubona uburyo bwiza bwo kubona uburyo bwiza bwo kubona uburyo bwiza bwo kubona uburyo bwiza bwo kubona uburyo bwiza bwo kubona uburyo bwo kubona uburyo bwiza bwo kubona uburyo bwiza bwo kubona uburyo bwiza kuri IPTV.
(3) Ibyiza bya Wimax mugusohora kwinjira kuri IPTV
Mugereranije wimax hamwe na DSL, Wi-Fi na FTTX, birashobora kugaragara ko Wimax aribwo buryo bwiza bwo kumenya IPPV. Kugeza muri Gicurasi 2006, umubare w'abanyamuryango ba Wimax bakuze bagera kuri 356, kandi abakoresha barenga 120 ku isi binjiye mu muryango. Wimax hazaba tekinoroji nziza yo gukemura ibirometero yanyuma ya IPTV. Wimax nawe azaba afite ubundi buryo bwiza kuri DSL na Wi-Fi.
(4) Kumenya Wimax Kumenya IPTV
Ieee802 Iyo igitambaro ari 20 MHZ, igipimo ntarengwa cya Iee 802.16a birashobora kugera kuri 75 Mbit / s, muri rusange 40 mbit / s; Iyo igitambaro ari 10 MHZ, gishobora gutanga igipimo cyinyongera cya 20 mbit / s.
Imiyoboro ya Wimax ishyigikira intangarugero y'amabara. Serivisi zamakuru yibiciro bitandukanye nintego nyamukuru yumuyoboro.umax ishyigikira urwego rutandukanye rwa QOS, bityo urusobe rwumuyoboro rufitanye isano rya hafi nubwoko bwa serivisi. Ukurikije iPPV. Kuberako iptv isaba qos yo murwego rwohejuru Urusobe rwa Wimax rero rushyirwaho neza ukurikije umubare wabakoresha muri kariya gace nibyo bakeneye. Iyo abakoresha bagera kumuyoboro wa IPPV. Ntibikenewe ko uzongera gukora ubusa, ukeneye gusa ibikoresho byo kwakira indux na ip set-Top-Hejuru, bityo abakoresha barashobora gukoresha serivisi ya IPT byoroshye kandi vuba.
Kugeza ubu, IPTV nubucuruzi bugaragara nubushobozi buke bwisoko, kandi iterambere ryayo riracyari mubusore. Icyerekezo cyiterambere cyacyo nugukomeza guhuza ibikorwa bya IPT hamwe na terminal, na TV bizahinduka urugo rwuzuye rwa digitale hamwe nimirimo itumanaho na interineti. Ariko iraptv kugirango ugere ku buryo bwumvikana muburyo bwukuri, ntabwo gusa gukemura ikibazo cyo kunirwa gusa, ahubwo no gukemura amacupa ya kilometero yanyuma.
Igihe cyo kohereza: Ukuboza-05-2024