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HSDPA Troubleshooting Case Studies

Released - Internal Use Only

HSDPA Troubleshooting Case Studies

MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION

Student Guide

80-W0848-5 Rev E

Released - Internal Use Only

This technical data may be subject to U.S. and international export, re-export or transfer ("export") laws. Diversion contrary to U.S. and internationallaw is strictly prohibited. QUALCOMM is a registered trademark of QUALCOMM Incorporated in the United States and may be registered in other countries. Other product and brand names may be trademarks or registered trademarks of their respective owners. QUALCOMM CDMA University is a registered trademark of QUALCOMM Incorporated. QUALCOMM University is a trademark of QUALCOMM Incorporated.Released - Internal Use Only

CDMA2000 is a registered certification mark of the Telecommunications Industry Association, used under license. ARM is a registered trademark of ARM Limited. QDSP is a registered trademark of QUALCOMM Incorporated in the United States and other countries.

Material Use Restrictions
These written materials are to be used only in conjunction with the associatedinstructor-led class. They are not intended to be used solely as reference material. No part of these written materials may be used or reproduced in any manner whatsoever without the written permission of QUALCOMM Incorporated. Copyright © 2008 QUALCOMM Incorporated. All rights reserved. QUALCOMM Incorporated 5775 Morehouse Drive San Diego, CA 92121-1714 U.S.A.

Released - Internal Use Only

HSDPATroubleshooting Case Studies

80-W0848-5 Rev E

About Qualcomm University

HSDPA Troubleshooting Case Studies

Qualcomm University (“QU”) offers the advanced technology training solutions you need to stay on the cutting edge of wireless technology. Visit the QU website for more information about individual training products, international training centers, and distance learningopportunities, along with a complete list of classes—all developed by QUALCOMM Incorporated, the pioneers of CDMA.

Released - Internal Use Only

Qualcomm University: www.qualcommuniversity.com QUALCOMM Incorporated: www.qualcomm.com
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION

Notes

© 2008 QUALCOMM Incorporated

MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLEDINFORMATION

3

Released - Internal Use Only

HSDPA Troubleshooting Case Studies

80-W0848-5 Rev E

Table of Contents References ..............................................................................................5 Learning Objectives .....................................................................................6 Motivation..............................................................................................7 HSDPA System Architecture.......................................................................8 HSDPA Protocol Stack ................................................................................9 HSDPA Protocol Stack and Performance Issue Indicators........................10 What Single User Throughput to Expect from Cat12/6 UE?....................11 HSDPA data flow across UE and UTRAN................................................12 MAC-hs and RLC-AM: UTRAN ..............................................................13 MAC-hs and RLC-AM: UE.......................................................................14 MAC-hs Details .........................................................................................15 Data Flow Example– HARQ and UE Re-ordering Queue .......................16 MAC-hs PDU ............................................................................................17 MAC-hs Window Mechanism ...................................................................18 MAC-hs Timer Mechanism .......................................................................19 MAC-hs Window and Timer mechanism...
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