WORLDWIDE MARKET RESEARCH REPORT - CISE

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EC/IST FP6 Project No 026920 Work Package: 6 Type of document: Report Date: 20.12.2007 File name: OP_WP6_D37_V1.0.doc Version: 1.0 Title: Worldwide Market Research Report 42 / 356 4.5.3 Wireless networks 4.5.3.1 WiFi and WiMAX description WiFi (short for "wireless fidelity") groups certain types of wireless local area network (WLAN) that use specifications in the 802.11 family. The term WiFi was created by an organization called the WiFi Alliance, which oversees tests that certify product interoperability. The fastest WiFi connection can transmit up to 54 megabits per second under optimal conditions. WiMAX is a standards-based technology born to enable the delivery of last mile wireless broadband access as an alternative to wired broadband like cable and DSL. WiMAX provides fixed, nomadic, portable and, with the version 802.16e, mobile wireless broadband connectivity without the need for direct line-of-sight with a base station. In a typical cell radius deployment of three to ten kilometers, WiMAX Forum Certified systems should be able to handle up to 70 megabits per second, for fixed and portable access applications. WiMAX operates on the same general principles as WiFi, it sends data from one computer to another via radio signals. A computer (either a desktop or a laptop) equipped with WiMAX would receive data from the WiMAX transmitting station (generally using encrypted data keys to prevent unauthorized users from stealing access). The biggest difference between WiFi and WiMAX isn't speed; it's distance. WiMAX outdistances WiFi by miles. WiFi's range is about 30 m. WiMAX will blanket a radius of more than 50 km with wireless access. The increased range is due to the frequencies used and the power of the transmitter. Of course, at that distance, terrain, weather and large buildings will act to reduce the maximum range in some circumstances, but the potential is there to cover huge tracts of land. Therefore WiMax was designed to provide (MAN) Metropolitan Area Access, to homes and businesses whereas WiFi was, and still will be used for the foreseeable future, in LAN environments.
EC/IST FP6 Project No 026920 Work Package: 6 Type of document: Report Date: 20.12.2007 File name: OP_WP6_D37_V1.0.doc Version: 1.0 Title: Worldwide Market Research Report 43 / 356 4.5.3.2 Present situation and growth of wireless networks 4.5.3.2.1 WiMax evolution WiMAX evolution: in the year 2006 WiMAX has been initially employed in trials to sustain WiFi and to provide services at home or to offices with fixed aerials outdoor. In the year 2007 are in course experimentations related to direct employment of WiMAX for houses / companies. Next year we expect full employment of mobile WiMAX (standard 802.16e ratified at the end of 2005) in order that the WiMAX technology could both complement the cellular telephone networks and constitute a replacement for citywide WiFi. Mobile network deployments are expected to provide up to 15 Mbps of capacity within a typical cell radius deployment of up to three kilometres. It is also expected that WiMAX technology will be incorporated in notebook computers and PDAs by 2008, allowing for urban areas and cities to become “metro zones” for portable outdoor broadband wireless access. 2006 2007 2008 Figure 4-4 WiMAX expected evolution
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WORLDWIDE MARKET RESEARCH REPORT - CISE

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