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UMTS Air Interface

Course Description

This course provides a comprehensive and detailed explanation of the UMTS Air Interface. In so doing, the architecture of the radio interface, 6 channel structures, the CDMA physical layer, the protocols, procedures and operation will all be discussed. For a complete picture, the course also includes focus on enhancements to the air interface through HSPA.

Prerequisites: UMTS System Engineering.

9 9  Hours learning CPD Learning Level: 3 (OnlineAnytime) Credits (Advanced) This course will contain the following sections:

1. The UMTS Air Interface UMTS Structure & Channels (cont.) Topic areas covered include: • Logical Channel Architecture: --Logical Channels - Control: • Frequency Bands: --Logical Channels - Traffic. --ITU Regions. --MBMS Channels. --Mobile Frequencies. --UMTS Bands. • Transport Channel Architecture. --UMTS Transport Channels. • CDMA Basics: --Codes. • Physical Channels: --User Channel. --Downlink Physical Channels. --Spreading and De-spreading. --Uplink Physical Channels. --Code Requirements. • Channel Mapping: • 4 Modulation Techniques and Coding: --Logical to Transport Mapping. --Basic Modulation Techniques. --Downlink Transport to Physical Channel --UMTS Modulation. Mapping. --Adaptive Modulation and Coding. --FDD Uplink Transport to Physical Channel Mapping • Cell Planning for UMTS: --UMTS Cells and Sectors. --Scrambling Codes. 3. UMTS Physical Layers --Cell Footprint. --Adjusting a Cell to Provide Coverage. Topic areas covered include: --Frequency Layers. • UMTS Spread Spectrum: --Channel Rates. --Spreading. 2. UMTS Structure & Channels --Direct Sequence Spread Spectrum. --De-spreading. Topic areas covered include: --UMTS Code.

• UMTS Air Interface Architecture: • Synchronization Codes: --The Non Access Stratum. --P-SCH and S-SCH. --The Access Stratum. • Scrambling Codes: --UMTS Channels. --Downlink Scrambling Codes. • UMTS Channel Types. --Uplink Scrambling Codes.

9 9  Hours learning CPD Learning (OnlineAnytime) Credits OnlineAnytime UMTS Physical Layers (cont.) 5. UMTS Radio Resource Control • Spreading Codes: Topic areas covered include: --OVSF Codes. • RRC Functions: --Code Allocation. --RRC Architecture. --Static Codes. --RRC Procedures. --Processing Gain. • Radio Bearers. • Basic DSSS System: • Idle Mode Procedures: --Transmission. --Reception. --Broadcast System Information. --Rake Receiver. --System Information Blocks. --Paging. • Uplink Code Processing: • Connected Mode: --Dedicated Uplink Channels. --Common Uplink Channels. --Identities: --RRC Connection. • Downlink Code Processing: --Direct Transfer. --Channel Combining. --Paging. • Frame Timing: --UE Capability. --Security. --Node B Timing. --Radio Bearer Procedures. --Cell Timing. --UE Timing.

6. UMTS Operational Procedures 4. UMTS Physical Channels Topic areas covered include:

Topic areas covered include: • UMTS Initial Procedures:

• Downlink Physical Channels: --PLMN Selection. --Cell Selection. --CPICH. --UMTS Attach. --CPICH Measurements. --Initial Direct Transfer. --Example CPICH Measurements. --Primary Common Control Physical Channel: • Power Control: -- P-CCPCH. --Uplink Power Control. --Primary and Secondary Synchronization Channel: --Downlink Power Control. -- P-SCH and S-SCH. • Circuit Switched Operation: --S-CCPCH. --Radio Bearer Setup. --DPCH. --Speech Transport Format Combinations. --PICH. --RRC Connection Release. • Uplink Physical Channels: • Packet Switched Operation: --DPCH. --Activating the Packet Switched RAB. --PRACH: -- AICH. --Packet Switched RAB. --Physical Channel Timing. --Transport Format Combination for Packet Data. --Volume Triggers. • Compressed Mode: --Data Sub-states. --Transmission Gap Position. --Compressed Mode Pattern Parameters. 7. UMTS Mobility and Interworking Topic areas covered include:

• Idle Mode Mobility:  --Cell Reselection. --Cell Reselection Criteria. Watch a Sample Video Online • Connected Mode Mobility: --Periodic Measurements. --Event Measurements. --Intra-Frequency Measurement Reporting. --Measurement Control. --Measurement Report.

• Soft Handovers: --Rake Receiver. --Rake Receiver in Soft Handover. --Soft Handover Regions. --Soft Handover Triggers. --Active Set Update. --Hard Handover.

• Common State Mobility: --Cell Update Procedure. --URA Update Procedure.

• Interworking with GERAN: --Inter-RAT Mobility Messages. --Inter-RAT Measurements.

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