HSUPA - Design Details & System Engineering

[2-day course, Euro 2,350.- (net) per participant]

Details on Operation, Scheduling, E-TFC Selection and HARQ

Course Description

The High-Speed Roadmap

HSUPA Targets
Focus on Urban and Sub-urban Deployment, Supporting full Mobility, Prioritizing Background and Interactive Services, Trade-off between Complexity and Performance
Why not a Shared Channel for the Uplink?
WCDMA Review:
SIR Considerations in a CDMA-system, Uplink Load Curve - Rise over Thermal, Measurement of Air Interface Load, Uplink Load, Load Estimation based on Receive Total Wideband Power (RTWP), Uplink Multi-Code Operation - I/Q Diagram Principle, Code Multiplex versus Time Multiplex, Review of Rel. '99 till Rel. 5 Uplink TFC Selection
Power, Beta-Values and Transport Block Size Relationship

HSUPA Characteristics - Scaling of TBS

Scheduling Grant Table - HSUPA Scheduling
Spreading Factor 4 Equivalents
HSUPA Radio Interface Protocol Termination for E-DCH
Radio Interface and Radio Network Architecture
New Channels with HSUPA
Serving RLS versus Non-Serving RL's, Multicode Operation in HSUPA (Cat 6 with 4 x E-DPDCH), Achievable Throughput Rates in HSUPA, Details on E-DCH, Details on E-DPDCH, Details on E-DPCCH, Details on E-AGCH, Details on E-RGCH, Details on E-HICH
UE's Scheduling Requests
Inband Scheduling Info on the E-DCH, Details on UE Power Headroom (UPH), Outband Happy Bit on the E-DPCCH, Practical Exercise: Happy / Unhappy Determination?

Scheduling Operation

Scheduling Overview
Relative Grant Timing – ETPR versus LUPR
Relative Grant Usage, Three Index Step and Two Index Step Thresholds, Example of Serving Grant Update - Receiving UP, Reception of Grants from Non-Serving RL and Serving RLS, Practical Exercise: Rules for Updating Serving Grant
Absolute Grants and Relative Grants - RLS versus Non-RL's
Practical Exercise: Message and BPSK Bit-Mapping on E-RGCH
Meaning of Absolute Grant Value
E-DCH RNTI's
UE Monitoring of two E-RNTI's in parallel
Practical Exercise: Serving RLS and Non-Serving RL's HARQ and RG Bit Mapping
Practical Exercise: ACK / NACK Mapping on E-HICH

Hybrid Automatic Repeat Request - HARQ

Overview on N-Stop & Wait Scheme
HARQ-Techniques with HSUPA, Turbo Coding - Systematic Bits, self-decodable and non-self-decodable Transmission, HARQ Comparison between HSDPA and HSUPA

Summary:

Comparison of new HSUPA Features and retained Rel. '99 Features
Operation of HSPA and Rel. '99 Channels
Sharing of UL-Resources in HSUPA
Principle Operation of Absolute Grant
Basic Operation of MAC-e/es with SG

HSPA PS Protocol Stack

Details on HSUPA Protocol Stack
Details on HSDPA Protocol Stack
Impact of HSUPA's SHO on RAN Architecture

Transport Format Combination Selection in the UE

E-DPDCH Power Control
Example for deriving ß(ed,j,harq)
E-TFC Selection Flow
E-TFC Selection Method - Principle
Practical E-TFC Selection
E-DCH Transport Block Size Calculation, Extract from a Ratio Bearer Setup Message
E-TFCI Tables - Slow and fast Throughput Growth,
MAC-e PDU - Inband Control Signaling in Uplink
Uplink Resource Gain with HSUPA

HSUPA and DPCH Operation - HSUPA Setup

RRC and NAS Signaling for E-DCH Setup
RRC Connection Establishment Procedure, GMM Service Request & Activate PDP Context Request, RAB Assignment and Radio Bearer Setup, Activate PDP Context Accept
NBAP Messages for E-DCH Setup
Radio Link Setup Request and Response
Transport Channel Type Switching with HSUPA

Transport Channel Comparison

DCH versus E-DCH
Practical Exercise: Compare HS-DSCH with E-DCH

Review of HSUPA

Control and User Plane Extensions and Enhancements
Advantages of E-DCH
Disadvantages of E-DCH
Summary on High Uplink Data Rate - Top Contributors

UMTS Roadmap for HSUPA and HSDPA

Improvement of HSDPA in Rel. 6
UMTS Release 7/8

The Physical Layer of HSUPA

Uplink Spreading and I / Q Mapping

DPCCH + 6 x DPDCH's
HS-DPCCH + 0 x DPDCH + DPCCH
HS-DPCCH + 1 x DPDCH + DPCCH
DPCCH + 1 x DPDCH + 1 x E-DPDCH
DPCCH + 1 x DPDCH + HS-DPCCH + 1 x E-DPDCH
DPCCH + 0 x DPDCH + HS-DPCCH + 2 x E-DPDCH
DPCCH + HS-DPCCH + 4 x E-DPDCH

HSUPA Uplink Frame Structures

DPCCH Frame Structure
E-DPCCH Frame Structure
Relation between RSN and E-DCH RV Index
E-DPDCH Frame Structure
Physical Channel Bit Rates for DPDCH and E-DPDCH

HSUPA Downlink Frame Structures

Orthogonal Signature Hopping of E-HICH and E-RGCH
E-HICH and E-RGCH Signature Sequence
E-RGCH Frame Structure
E-HICH Frame Structure
Multiplexing of E-HICH and E-RGCH
E-AGCH Frame Structure
E-AGCH Processing Chain

Purpose of F-DPCH (associated with HSDPA)
HSUPA Timing Relations - Examples for TTI = 10 ms

E-AGCH Timing 10 ms
E-RGCH Timing 10 ms
E-RGCH Timing of Serving RLS, E-RGCH Timing of Non-Serving RL's

Compressed Mode and Uplink Transmission Gap

Details for 10 ms E-DCH TTI

Downlink Power Control & Compressed Mode
Preamble and Postamble in HSDPA Release 6

HSUPA Protocol Enhancements and Extensions

Radio Resource Management
E-DCH UTRAN Architecture

MAC-d Flow Concept
MAC-e/es in UE
MAC-e in NodeB
MAC-es in SRNC

Data Flow through Layer 2

MAC-d PDU Encapsulation into MAC-e PDU - UE Side on E-DCH
Data Descriptor Indicator Mapping Table - Example
E-DCH MAC PDU: Parameters of the involved MAC headers
MAC-d / Flow Interworking in UTRAN
Data Flow from TCP/IP Layer to MAC-e, CP/IP and RTP/UDP/IP Overhead Ratio, Practical Exercise: Calculate the throughput offered to applications on top of TCP/IP

Scheduling Info PDU

UL Scheduling information

E-DCH Frame Protocol - Data Frame Structure

E-DCH FP Header
Indication of HARQ Failure
E-DCH Payload

E-DCH / HS-DSCH Serving Cell Change - E1D

Rel. 7 Amendments

HSUPA Feature Summary Rel. 7

Enhanced F-DPCH
Support of UL Slot Format #4
Example of HSUPA Category 7 UE with Multi-Code Operation

HSUPA Categories Rel.6 and Rel. 7
Serving Grant Table 2 (Rel. 7)
E-AGCH and E-DPCCH Amendments

Changes in the E-TFCI tables
Changes in the Absolute Grant table
Changes in the SG tables

v1.700

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