Cum IPTV ingressus in foro in MCMXCIX, in incrementum rate paulatim accelerari. Expectatur quod global IPTV users erit pervenire plus quam XXVI decies per MMVIII, et compositis annua incrementum rate IPTV users in Sina de MMIII ad MMVIII et pervenire CCXLV%.
Secundum circumspectis, ultimum kilometer estIptvAccess est communiter in DSL cable accessum modus, per Bandwidth et stabilitatem et aliis factors, IPTV in competition cum Ordinarius TV est ad incommodum, et funem aditus modus constructione est sumptus est excelsum, cycle sit longa et difficilis. Unde, quam solvere ultimum-milliario aditus problema de IPTV est praecipue magna.
Wimax (Worldwideinteroper-facultasformicrowave accessum) est a broadband Wireless Access Technology fundatur in Ieee802.16 series protocols, quod paulatim facti novum progressionem hotsppot pro Metro Broadband Wireless technology. Potest reponere existentium DSL et wired hospites providere certa mobilis formas wireless broadband hospites. Ob suam humilis constructione sumptus, princeps technica perficientur et alta reliability, erit melior technology solvere ultimum-milliario aditus problema de IPtv.
II, in current situ de IPTV Access Technology
Currently, communiter aditus technologiae providere IPTV Services includit summus celeritate DSL, fttb, FTH et aliis Wireline Access Technologies. Propter humilitatem investment in usura existentium DSL system ad Support IPTV Services, 3/4 De Telecom operators in Asia utor set-Top boxes ad Convert DSL annuit in TV annuit providere IPTV Services.
Et maxime momenti contenta IPTV signifer includere Vod et TV progressio. Ut ad ut visu qualis est IPTV est comparabile ad quod current funem network, IPtv signa network requiritur ad providebit polliceri in Bandwidth, etc., et hi in DSL Technology non potuit in occursum de requisitis IPTV et DSL sunt in occursum est in occursum est limited. IPv4 Protocol iter itineris, non support multicast. Licet theoretically est usque ad upgrading DSL technology, ibi pauci qualita mutationes in Sed.
III, in characteres Wimax technology
Wimax est broadband wireless accessum technology fundatur in Ieee802.16 vexillum, quod est aere interface vexillum propositum pro Proin microwave et millimeter unda vincula. Potest providere usque ad 75mbit / s transmissus rate, una basi station coverage usque 50km. WiMAX is designed for wireless LANs and to solve the problem of the last mile of broadband access, it is used to connect Wi-Fi “hotspots” to the Internet, but also to connect the environment of the company or home to the wired backbone line, which can be used as a cable and a DTH line, and can be used as the cable and the DTH line. Potest etiam esse ad coniungere environments talis est negotium vel domum ad a wired backbone, et potest esse ut wireless extensio ad funem et DSL ad enable wireless broadband aditus.
IV, Wimax animadverto wireless accessum de IPTV
(I) Requirements IPTV in Access Network
Pelagus pluma de IPTV ministerium est ejus interactivity et realis-vicis. Per IPtv Service, users potest frui summus qualitas (proxima ad DVD gradu) Digital Media Services, et libere eligere video progressio ex broadband IP et Media consumerent inter media providers.
Ut ad ut visu qualis IPTV est comparabile ad quod current funem network, in IPTV accessum network quod requiritur ut posset providere in termini in terms of Bandwidth, et in. In terms of user accessum Sed usu existentium late usus coding technology, users opus saltem III ~ 4MBIT / S Downlink Aditus Bandwidth, si transitum est altior qualis est, requiritur Sed et altior est, requiritur autem altior; In alveo commutatione mora, ut ut IPTV users switch inter diversas channels et Ordinarius TV Switching eandem perficientur, in latos instruere lineam aditus multiplexing apparatu (DSLIGNUS linea aditus IP Multicast Technology; Terms of Network Qos, ne fasciculum damnum, Jitter et alia impulsum in quale IPTV viewing.
(II) Comparison Wimax aditus modum cum DSL, Wi-Fi et Fttx aditus modum
DSL, debitum ad suum technica cohiberi, sunt tamen multa problems in terms of procul, rate et exitus rate. Comparari DSL, Wimax potest theoretically operiet maior area, provide citius data rates, habere maiorem scalability et altius QOS praestant.
Comparari cum Wi-FI, Wimax habet technical commoda latius coverage, latiori cohortis accommodatio, fortius scalilitatem, altius Qos et securitatem, etc.-FI fundatur in wireless loci spatio network (WLANDICTS, in Officiis, aut Hotspot Areas: Wimax fundatur super Wireless Wimax fundatur in Wireless Metropolitan Area Network (WMAN) Latin, quae maxime usus est summus celeritate notitia aditus servitium sub certo et humili mobili.
Fttb + Lan, sicut summus celeritate broadband obvius modum, portatIptvService sine multa forsit technice, sed limitatur a problema de integrated wiring in aedificationem, installation sumptus et transmissio procul per torta-par fune. Wimax scriptor idealis non-line-of-visus transmissione habet, flexibile deployment et configuratione scalability, optimum Qos qualis est ministerium et fortis securitate omnia facere idealis modum pro IPtv.
(III) commoda Wimax in realizing Wireless aditus ad IPTV
Per comparet WiMax cum DSL, Wi-FI et FTTX, quod potest videri quod Wimax est melius arbitrium in intellectu IPTV aditus. Ut de May MMVI, numerus Wimax foro membra creverunt ad CCCLVI, et plus quam CXX operators circum orbem terrarum iuncta organization. Wimax erit idealis technology solvere ultima milliario IPtv. Wimax erit quoque esse melior alternative ad DSL et Wi-fi.
(IV) Wimax ittv accessum
Ieee802.16-2004 vexillum maxime ordinatur ad certum terminales, maximam transmissionem spatium est VII ~ 10km et communicationis cohortis inferior 11ghz, adoptando ad libitum Channel, et Bandwidth cuiusque channel est inter 1,25 ~ 20mhz. Cum autem Bandwidth est XX MHz, maximum rate of IEEE 802.16A potest pervenire LXXV MBit / s, plerumque XL Mits / s; Cum autem Bandwidth est X MHz, quod potest providere an mediocris tradere rate of XX MBit / s.
Wimax networks Support LAETUS Business Models. Data officia de diversis rates sunt pelagus target de network.wimax subsidiis diversis Qos campester, ita network coverage est propinqua ad genus servitium. In terms of IPTV aditus. Quia IPTV requirit summus gradu Qos fides et summus celeritas data transmissionem rates. Ita wimax network est erigetur rationabiliter secundum numerum users in area et eorum necessitates. Cum users aditus IPTV network. Non est opus ad portare de wiring iterum, tantum postulo addere Wimax accepto apparatu et IP paro-summitatem buxum, ut users can utor IPtv servitium commode et cito.
In praesens, IPTV est emergentes negotium cum magna foro potentiale, et ejus progressionem adhuc in infantia. Et flecte de futura progressionem ad ulterius integrate IPTV officia cum terminals, et TV erit in comprehensive digital domi terminatio cum communicationis et Internet functions. Sed IPTV ad consequi a breakthrough in veritate, non solum ad solvere contentus forsit, sed etiam solvere bottleneck de ultimo kilometer.
Post tempus: 05-2024 Dec