Saga > taS > Innihald

dvb-rut taS

Jul 17, 2015

puS 'ay' consists dvbt2 pat: Hal receiving, pat, conditional naw', user management pat (scrambler, CA pat DaH nobvam); multiplexing signal signal modulation 'ej Hev pat (HIjmeH-yor box) users.

Hal Receiving signal

digital SIbDoH signal Hal, lutu'lu'bej law' ghun 'ej Hev luch ghap Hal signal LUT VAGH. qaStaHvIS mIw, stream rut, a ghap covert ip stream signal LUT VAGH hdmi pagh audio video.  jen laHlIj headend luch yuQmeyDaq pat chup vIvut maH. chaH typical product SIbDoH receiver (fta channels ird1218, encrypt ird1340), mpeg-2 encoder (8 ch enc3084, 4ch enc3044) 'ej mpeg-4 avc encoder (8 ch sd enc3184, 4 ch sd enc3144h, 8ch ghap 16ch hd enc3383).

conditional naw' user 'ej management

pat naw' conditional ngaQHa'moHwI'mey position DuqIppu'chugh multiplex ghun scrambling Subscriber Management pat. pat, chel ghap reduce ghun pagh latlh malja' 'a ghIH embedding laH yISeH provider. by means of management authorization 'ej yIDIl chavmoH laH chav provider.

cas (Conditional naw' pat) – yIDIl tv taS enhanced 'ej chut lulajpu'bogh 'a ghIH protection 'orwI' DuHIvDI' 'ach Hung media Hung. SeH mu' user authorization De' 'emvo' ngaDmoH 'ej highly ngaQ environment rur 'ej fully compatible je dvb simul-Crypt motlh 'ej laH encrypt 'oH.

in order to cater reH-Sach nIS network HaSta jIH digital, tv 'orwI' medium-sized tv network deploy phase pImchugh chuqmey poHmey yIteb ghISDen 'ej pong network expansion phase wherever neH cable, SIbDoH qoj SIp enables dibsys cas. novpu' nejtaH mI' jegh protection mechanisms Qutlh dibsys cas investment Dunmo' 'orwI', such as 3des 'ej aes encryption algorithm, val chaw' & mIch SeH, qIj tetlh management lubaghDI', ngaj poH 'ej stb.

Huj ghogh 'ej malfunction ja' sms(subscriber management system) – Qutlh flexible subscriber management yo'SeH value-added chavmoH such as QIn Huj, DaH nobvam chavmoH. waw' pat modular chut lulajpu'bogh, vaj 'e' customers laH pIm bobcho' interfaces in accordance with chaH lach'eghDI' nIS 'ej wutlh pagh request bobcho' dedicate 'ej interfaces seamless merging je nIv'e' pat chav. meanwhile, customer mIw'e' automation pat, luch management pat 'ej ghun management pat onto unify platform, laH je integrate maH je 'ut 'elqa' chut lulajpu'bogh pat reliability Qochbe'ghach je naQ je.

modulation

wuv nIv'e' 'ej mpeg-2 rut mpeg2-gse 'ej tob dvb-t2 Modulator protocol stack. mpeg-2 gse generic ngoQ encapsulation protocol dedicated nom ip distribution t2-mi gateway vIta'meH video. output interface gateway distribution network ip encapsulated, pagh format asi Hoch wo' je.

ofdm modulation scheme, [Sar DuH bandwidth, modulation, fec (forward Qagh correction) rates, carriers mI'. ghaHDaq DuHIvDI' BERNARDO, baS lo' 'ej intervals, 'avwI', flexible yap pIm transmission environments 'orwI' 'ej nIS ghom 'oH chenmoH batlhchaj dvb-rut dvb-t2.

latlh DuH puS dvb-rut, DuHIvDI' dvb-t2 enabling veb efficiency 'ej flexibility 'ej cham. ghaH such as multiple plp, ngoq ldpc je MISO neH ghur signal waH 'ej complexity, especially MISO configuration ghot'e' vI'Iprup 'Itlh Qutlh. overall, poStaHvIS tu'lu' similarities SabtaHbogh pat cha', 'oH cha' tlhIH mamej veb De' rate puS dvb-rut be'nI'puqDaj vI'Iprup robust signal 'ej offer chaw' broader HIjmeH dvb-t2 pat features.

ngaQHa'moHwI'mey features dvb-rut dvb-t2 'ej cham

QotchoHpu'

QotchoHpu' va jan wab HevwI' waves je antenna QaH lIng 'ej electromagnetic signal wIqelchugh wab HevwI' HaSta jIH broadcasting je lIng. laH Qap dvb-t2 Broadcast QotchoHpu' nIv'e' mpeg distribution network rIn asi Gigabit ethernet pagh. pong latest cham linear 'ej QI'yaH-linear digital adaptive pre-correction, rf mIm co-channel 'ej interference rejection incorporating, nIS Vas ghom broadband transmission neH medium tlarge-ghISDen SIp coverage scenarios joq fulfills pat.

pat dvb-t2, roD 1000w chup digital output HoS rur dibsys dtt5900, baS tlham chut lulajpu'bogh optimized, wab, veb efficiency 'ej outstanding anti-interference 'e' yIqaw ghuS. 'ej ngeD jom, leH 'ej upgrade. yuQmeyDaq pIm Hatlh yoS joq SeH HeQ motlh dtt multiple ghaH, dvb-rut, dvb-t2, atsc, dtmb 'ej isdb-rut ghap tb DaH nobvam.

user terminal dvb Hev pat

meb Qav reception ghun chavmoH 'ej puS DuHIvDI' user Qav 'oH jan (HIjmeH yor box). tv chenmoH dvb-t2 stb vo' passive Hev analog tv interactive Hev digital tv De' broadcast je. mpeg4 avc hd stb 'ej mpeg2 sd stb wutlh vo' DuHIvDI' maH.