DSL AND ATM BROADBAND technologies for the mass market. Personal Broadband Services: DSL and ATM explains the development of digital subscriber line (xDSL) services and the relationship to asynchronous transfer mode (ATM) technology. Tells not only how the technologies work, but also how they compare to alternatives
WiMAX: The Personal Broadband Connection - 4G Wireless
Overview: WiMAX (worldwide interoperability for microwave access) is a 4G wireless technology having service capabilities in regulated and unregulated spectrum (though operators and OEM partners are slowly moving away from using WiMAX in unregulated spectrum). WiMAX comes from IP / microwave side similar to its cousin WiFi (which is from IP world) as opposed to HSPA, GPRS and UMTS which are GSM flavors of 2.5G/3G wireless tech. The 4G version in GSM evolution path is LTE (Long Term Evolution) - something which is two years away but gaining traction with the largest mobile operators in the world eg AT&T and Verizon in USA have announced intention to adopt LTE rather than go the WiMAX way
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Personal Broadband Services .(ppt)
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