Towards-Global-Mobile-Broadband-LTE-White-Paper

Towards-Global-Mobile-Broadband-LTE-White-Paper - A White...

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Unformatted text preview: A White Paper from the UMTS Forum Towards Global Mobile Broadband Standardising the future of mobile communications with LTE (Long Term Evolution) February 2008 The UMTS Forum 2008 Table of Contents 1. Introduction: What is LTE? 1 2. A Clear Standardisation Path 2 3. LTE Key Features 3 4. Spectral Flexibility Means Wider Deployment Options 5 5. LTE Services 5 6. Who Needs LTE? 7 7. LTE Timescales 8 References 9 The UMTS Forum 2008 1 I. Introduction: What is LTE? Long Term Evolution (LTE) describes standardisation work by the Third Generation Partnership Project (3GPP) to define a new high-speed radio access method for mobile communications systems. LTE is the next step on a clearly-charted roadmap to so-called 4G mobile systems that starts with todays 2G and 3G networks. Building on the technical foundations of the 3GPP family of cellular systems that embraces GSM, GPRS and EDGE as well as WCDMA and now HSPA (High Speed Packet Access), LTE offers a smooth evolutionary path to higher speeds and lower latency. Coupled with more efficient use of operators finite spectrum assets, LTE enables an even richer, more compelling mobile service environment. LTE provides a smooth evolutionary path for operators deploying all 3GPP and non-3GPP technologies. In parallel with its advanced new radio interface, realising the full potential of LTE requires an evolution from todays hybrid packet/circuit switched networks to a simplified, all-IP (Internet Protocol) environment. From an operators point of view, the pay-off is reduced delivery costs for rich, blended applications combining voice, video and data services plus simplified interworking with other fixed and wireless networks. By creating new value-added service possibilities, LTE promises long-term revenue stability and growth for around two hundred mobile operators that are already firmly committed to the UMTS/HSPA family of 3G systems. Just as importantly, it provides a powerful tool to attract customers who are provided with an increasing number of technology options for broadband connectivity on the move. Based on the UMTS/HSPA family of standards, LTE will enhance the capabilities of current cellular network technologies to satisfy the needs of a highly demanding customer accustomed to fixed broadband services. As such, it unifies the voice-oriented environment of todays mobile networks with the data-centric service possibilities of the fixed Internet. Another key goal of the project is the harmonious coexistence of LTE systems alongside legacy circuit switched networks. This will allow operators to introduce LTEs all-IP concept progressively, retaining the value of their existing voice-based service platforms while benefiting from the performance boost that LTE delivers for data services....
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This note was uploaded on 09/21/2010 for the course ECE 567 taught by Professor Attkin during the Spring '10 term at Academy of Design Tampa.

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Towards-Global-Mobile-Broadband-LTE-White-Paper - A White...

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