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Understand 3G LTE testing challenges

Posted: 16 Apr 2008 ?? ?Print Version ?Bookmark and Share

Keywords:radio access technology? LTE testing challenges? RF test?

With over 2.5 billion users and growing, the GSM/3GSM radio access technology dominates today�s global cellular landscape. To keep pace with this growth and the demand for faster, more bandwidth-intensive services, it is essential that the technological infrastructure continue to evolve while remaining efficient, competitive and successful.

Key to this is the development of the underpinning technology. Over the last three years, the 3G Partnership Project (3GPP) standards forum has been specifying the next major evolution of GSM/UMTS standards. This evolution has two threads. First is the enhancement of the existing W-CDMA universal terrestrial radio access network (UTRAN) through the high speed packet access plus (HSPA+) specifications and the second is the Long Term Evolution (LTE) specifications for the Evolved Universal Terrestrial Radio Access Network (E-UTRAN).

At present, HSPA technology has over 120 commercial networks delivering broadband mobile capability to more than 300 different device types. HSPA+ is expected to access the remaining potential of the existing 5MHz W-CDMA radio access networks (RANs), offering improved response times and peak data rates up to three times that of HSPA.

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