Image source: http://www.itp.net/images/content/564854/article/932-go-telec_article.jpg
The WiMAX technology is always supported by the WiMAX Forum which comprises a fixed of commercial leaders reminiscent of AT&T, Cisco, Samsung, Intel, and a few other giants. This forum involves many running communities that awfully focused on regulatory, promotion, technological characteristics. Moreover the certification running group intends to certify interoperability among WiMAX merchandise from manufacturers all by the area.
Because WiMAX is based completely on IEEE 802.16 Standard and HiperMAN, the IEEE and ETSI have each was accustomed or not it's pure to take in a few of the alternative's essential characteristics. IEEE 802.16 renowned partitioned its MAC (Medium Access Control) layer into sub-layers that hold some the different transport equipments and technologies, along with Ethernet, IPv4, IPv6 and other asynchronous transfer mode. This permits for buyers to apply WiMAX technology and no topic what technology they support for transmission. WiMAX technology has a titanic communication vary up to 50 kilometers because suggestions permits for WiMAX network to transfer documents at bigger costs and thanks to this go towards use of directional antennas that generates persistent radio indications. WiMAX base station provide service to handiest 500 users at a time not more than that simply because to they're sharing bandwidthand this level might perhaps just also cause lower date costs among. Technically each station will possibly provide communication a neighborhood inside a 10 miles radius. To compare WiFi with WiMAX technology the ultimate has a titanic vary of few thousand feet. while WiFi has a titanic vary of handiest a couple of hundred feet.
WiMAX technology will offer high documents velocity network connections and in this approach function a backhaul for WiFi LAN (WLAN) hot spots, wherein individuals on the go can entry carriers' WiFi services and merchandise on cell technology basis, because this technology permits for interoperability among the different systems. And service providers missing a cell network can use a WiMAX technology network at comparatively low charge. WiMAX technology possibly will offer a much cheaper, easier to construct network infrastructure aside from the bodily medium of WiFi backhauls that cable, T1 or DSL systems presently offer.
WiMAX technology can provide wireless documents in a associated form as compare to WiFi but its degree and velocity enable to construct hybrid and wireless networks, of any dimension, anywhere. It is shaped to encourage conformance and interoperability of Wireless Metropolitan Area Network. WiMAX can provide a consistent technology in keeping with its renowned. WiMAX technology open might perhaps smartly let product manufacturers make revenues of scale via generating amount of WiMAX merchandise & upload-ons to single IEEE 802.16 renowned, this also enable component manufacturers buy low-cost, necessities compliant upload-ons from rival component providers. This would actually assist existing wireless service providers.
In concept WiMAX network can offer single channel documents costs up to 75 Mbits/s equally on the downlink and uplink. Service providers can use several 802.16 channels for single broadcast to present bandwidths of up to 350 Mb per 2d.
The wireless services and merchandise are presented at bigger frequencies as the line of sight constraints required the placing up of many antennas to hide up the equivalent region and this increases to a glorious extent the expenditure of placing up wireless technology. The reachable frequencies for new wireless necessities reminiscent of IEEE 802.16 are bigger as most likely the most other wireless technologies are greater sought-after to scale down ranges that have been approved for other use.
One of the major blessings of documents transmission is that the channels do not overlap, besides the reality that toddlers the spaces between channels are somewhat close. The fundamental IEEE 802.16 renowned uses the ten to sixty six GHz frequency vary And it is terribly suitable because this frequency vary shrinks the multi path distortion that arises when transmitting indications that don't carry out the line of sight echoed goods and finish off out of sink, consequently jumbling the inbound communication and reducing bandwidth.
Moreover WiMAX network broadcasts documents communication over several broad signal frequency ranges. And this individual capacity to work in so much of ranges permits for to converse above the frequencies that will evade interference with other wireless network applications. Also the flexibility of the program's communication permits for providers to employ the different frequencies that place self assurance in the speed and vary essential for a specific documents communication. Amplifying documents capacity and bandwidth via dividing broad capacity channels to many narrowband channels, the WiMAX technology attains bigger documents transmission costs in part by OFDM (Orthogonal Frequency Division Multiplexing).Every channel uses the different frequencies that can transmit the different items of a message at a related time.
Third era cell network technologies will support around 115 Kbps. The accepted IEEE 802.11b WiFi WLAN technology documents charge are restricted to 11Mbps, then again more moderen 802.11a and 802.11g provide up to 54Mbps in favorable prerequisites but almost the full them transmit at lesser velocity.
