5989-8139EN - Agilent 3GPP Long Term Evolution: System...

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Unformatted text preview: Agilent 3GPP Long Term Evolution: System Overview, Product Development, and Test Challenges Application Note This application note describes the Long Term Evolution (LTE) of the universal mobile telecommunication system (UMTS), which is being developed by the 3rd Generation Partnership Project (3GPP). Particular attention is given to LTE’s use of multiple antenna techniques and to a new modulation scheme called single carrier frequency division multiple access (SC-FDMA) used in the LTE uplink. Also, because the accelerated pace of LTE product development calls for measurement tools that parallel the standard’s development, this application note introduces Agilent’s expanding portfolio of LTE design, verifi cation, and test solutions. eNB MME / S-GW MME / S-GW eNB eNB S 1 S 1 S 1 S 1 X 2 X 2 X 2 2 Table of Contents 1 LTE Concepts .............................................................................................. 3 1.1 Introduction .......................................................................................... 3 1.2 Summary of LTE requirements ......................................................... 4 1.3 History of the UMTS standard ......................................................... 5 1.4 LTE in context ....................................................................................... 6 1.5 3GPP LTE specifi cation documents ................................................. 6 1.6 System architecture overview ......................................................... 7 2 LTE Air Interface Radio Aspects ....................................................... 10 2.1 Radio access modes ........................................................................ 10 2.2 Transmission bandwidths ............................................................... 10 2.3 Supported frequency bands ............................................................ 11 2.4 Peak single user data rates and UE capabilities ....................... 12 2.5 Multiple access technology in the downlink: OFDM and OFDMA ... 13 2.6 Multiple access technology in the uplink: SC-FDMA .............. 16 2.7 Overview of multiple antenna techniques .................................. 23 2.8 LTE multiple antenna schemes ...................................................... 28 3 LTE Air Interface Protocol Aspects .................................................. 30 3.1 Physical layer overview .................................................................. 31 3.2 Physical channels and modulation (TS 36.211) ......................... 32 3.3 Multiplexing and channel coding (TS 36.212) ........................... 41 3.4 Physical layer procedures (TS 36.213) ........................................ 43 3.5 Physical layer measurements (TS 36.214) ................................. 46 3.6 Radio resource management (TS 36.133) ................................... 47 4 RF Conformance Tests .......................................................................... 48....
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This note was uploaded on 09/13/2009 for the course EE 6345 taught by Professor Cantrell during the Spring '09 term at University of Texas at Dallas, Richardson.

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5989-8139EN - Agilent 3GPP Long Term Evolution: System...

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