4G LTE
EMERGING TRENDS
IP CONVERGENCE & IMS
TECHNOLOGY FOR BUSINESS
UMTS/HSPA+
WIRELESS LANDSCAPE
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The Universal Mobile Telecommunications System (UMTS), High Speed Packet Access (HSPA) and its extension HSPA+ belong to the third generation family of 3GPP technologies. In UMTS, the air interface was designed to support bidirectional 2 Mbps, Quality of Service (QoS), security and concurrent circuit-switched and packet-switched services. Riding the wave of successful GSM/GPRS networks, the quest for better user experience was realized in UMTS with the advent of HSPA and eventually HSPA+. This course provides the details of the Layer 1, 2 and 3 procedures and technology features in UMTS, HSPA and HSPA+, taking a handset-centric view.
Learning Objectives
After completing this course, the student will be able to: • Describe UMTS, HSPA and HSPA+ technologies and their performance goals, and the details of strategies used to achieve these goals • Sketch the complete protocol structure of a User Equipment (UE) with emphasis on lower layers (L1, L2 and L3) • Explain channel and frame structures in UMTS, HSPA and HSPA+ • Describe air interface operations for UMTS, HSPA and HSPA+ such as channel coding, transport channel processing, modulation and coding • List the Layer 1, 2 and 3 features such as AMR, power control and mobile-assisted handovers • Describe the modulation and coding schemes in UMTS, HSPA and HSPA+ • Explain how link adaptation is performed in UMTS, HSPA and HSPA+
Intended Audience
This course is intended for those seeking a detailed understanding of the UMTS, HSPA and HSPA+ air interface. This includes those in a design, test, systems engineering, sales engineering, network engineering, or verification role.
Suggested Prerequisites
• UMTS/WCDMA Air Interface Fundamentals (eLearning)
Suggested Follow-up Training/Complementary Courses
• HSDPA (R5) (eLearning) • HSUPA (R6) (eLearning) • HSPA+ Overview (R7) (eLearning)
Course Length
3 Days Instructor Led
Course Outlines / Knowledge Knuggets
1. Introduction to UMTS 1.1. Motivation for UMTS 1.2. UMTS architecture 1.3. UTRAN nodes and interfaces 1.4. Roadmap to HSPA+ R10 2. UMTS (WCDMA) Air Interface 2.1. Spread spectrum technique 2.2. Channelization and scrambling codes 2.3. Spreading and modulation 2.4. Soft handover and RAKE receiver 2.5. UMTS radio frame structure 3. Channels in UMTS 3.1. Radio protocol stack in UMTS 3.2. Logical, transport and physical channels concepts 3.3. Transport channel processing (AMR as an example) 3.4. Channel mapping and multiplexing 4. Physical Layer Operations 4.1. Introduction – Life of a UE 4.2. Cell synchronization and network acquisition 4.3. RRC connection and states 4.4. Registration, security and the radio access bearer concept 4.5. Cell selection and reselection 4.6. UE measurements 4.7. UE power control 4.8. Compressed mode and inter-system measurements 4.9. Mobility in UMTS (soft/softer/hard handovers) 5. Overview of HSPA 5.1. HSPA goals 5.2. Air interface strategies 5.3. Impact of HSPA on radio network 5.4. UE categories 6. Key Concepts of HSPA 6.1. Adaptive modulation and coding 6.2. Fast scheduling at the Node B 6.3. UE measurement and feedback 6.4. H-ARQ and incremental redundancy 7. HSPA Channel Enhancements 7.1. HSPA protocol stack modifications 7.2. HSDPA UL/DL channel details 7.3. HSUPA UL/DL channel details 8. HSPA Traffic Operations 8.1. HSDPA 8.1.1. Channel quality indicator 8.1.2. HS-SCCH operational details 8.1.3. Hard handovers 8.2. HSUPA 8.2.1. Uplink resource allocation 8.2.2. Absolute and relative grants 8.2.3. Soft handovers 9. HSPA+ 9.1. Impact of HSPA+ on radio network and protocol stacks 9.2. Key concepts of HSPA+ 9.3. Downlink data transmission 9.4. Uplink data transmission 9.5. MIMO in HSPA+
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