HSDPA

Telecom

Convergence Labs offers scheduled trainings in the domains of RF Planning, Drive Test, Telecom Protocols, Optimisation and Mobile Networking for versatile range of mobile networks.

We combine our research experience with academics and deliver the quality on par with best international standards.

Introduction

UMTS network architecture
Core network architecture model
Radio network components (RNC, Node B)
UMTS Interfaces and protocols
Evolution from W-CDMA to HSDPA
HSDPA principals

The capacity, quality and cost/performance advantages of HSDPA
HSDPA important new technological
HSDPA’s distributed architecture
Low delay link adaptation
Fast physical layer (L1) retransmission
Combining and link adaptation techniques
Scheduling for the downlink packet data operation at the base station
Higher-order modulation
HSDPA Performance
Significant performance improvements
Achieving higher theoretical peak rates
QPSK modulation and 16-QAM
Key HSDPA Technologies

Adaptive modulation and coding (AMC)
Fast Scheduling
Hybrid automatic repeat request (HARQ)
Fast PHY Re-Transmissions
Channel Quality Feedback
High-Speed Downlink Shared Channel (HS-DSCH)
High-speed downlink shared channel (HS-DSCH)

Basic structure of HS-DSCH
Protocol structure
Basic physical structure
HS-DSCH Characteristics
DL HS-DSCH Physical layer model
FDD Downlink Physical layer Model
TDD Downlink Physical layer model
UL Physical layer model
HS-DSCH physical-layer structure in the code domain
MAC architecture

HS-DSCH MAC architecture �UE side
Overall architecture
Details of MAC-d
Details of MAC-c/sh
Details of MAC-hs
HS-DSCH MAC architecture �UTRAN side
Details of MAC-c/sh
Details of MAC-hs
HARQ protocols

Signalling
Uplink and Downlink
Error handling
Signaling parameters
Downlink signaling parameters
UE identification
Transport Block Sizes
Channelization codes
HS-PDSCH configuration
HARQ information
Measurement feedback rate
HS-PDSCH power offset
HS-SCCH Cyclic Sequence Number (HCSN)
Uplink signaling parameters
Measurement report
High Speed Downlink Packet Access: Iub/Iur protocol

Impacts on Iub Interface - General Aspects
Impacts on Iub/Iur Control Plane Protocols
HSDPA Signaling Requirements (Comparison between DSCH and HS-DSCH)
Impacts on NBAP Procedures
Example of HS-DSCH Configuration and Capacity Allocation
Examples of HS-DSCH Mobility Procedures
Impacts on Iub Interface User Plane Protocols
Transport Bearer Options
QoS Aspects
Security Aspects
TDD versus FDD Aspects
Backwards Compatibility
Mobility procedures

Serving HS-DSCH cell change
Serving HS-DSCH cell change mechanisms
Intra-Node B synchronized serving HS-DSCH cell change
Inter-Node B synchronized serving HS-DSCH cell change during hard handover
Inter-Node B synchronies serving HS-DSCH cell change after active set update (radio link addition)
Resource management

Advanced HSDPA training course provides you with a comprehensive technical foundation in HSDPA analysis, design, implementation and testing (RF and MAC layers applied to mobile device, Node B (BS) and RNC)

Course Outline
HSDPA Principals

HSDPA radio optimization principals
HSDPA’s distributed architecture
Low delay link adaptation
Fast physical layer (L1) retransmission
Combining and link adaptation techniques
Scheduling for the downlink packet data operation at the base station
Higher-order modulation
Impact of HSDPA on W-CDMA
HSDPA power management
HSDPA performance
Significant performance improvements
Achieving higher theoretical peak rates
QPSK modulation and 16-QAM
HSDPA mobile devices, Node B, RNC and modems
Key HSDPA Technologies

Adaptive modulation and coding (AMC)
Fast Scheduling
Hybrid automatic repeat request (HARQ)
Fast PHY Re-Transmissions
Channel Quality Feedback
High-Speed Downlink Shared Channel (HS-DSCH)
MIMOs
High-speed downlink shared channel (HS-DSCH)

Basic structure of HS-DSCH
Protocol structure
Basic physical structure
HS-DSCH Characteristics
DL HS-DSCH Physical layer model
FDD Downlink Physical layer Model
TDD Downlink Physical layer model
UL Physical layer model
HS-DSCH physical-layer structure in the code domain
MAC architecture

HS-DSCH MAC architecture - UE side
Overall architecture
Details of MAC-d
Details of MAC-c/sh
Details of MAC-hs
HS-DSCH MAC architecture - UTRAN side
HARQ protocols
Signalling
Uplink and Downlink
Error handling
Signaling parameters
Downlink signaling parameters
UE identification
Transport Block Sizes
Channelization codes
HS-PDSCH configuration
HARQ information
Measurement feedback rate
HS-PDSCH power offset
HS-SCCH Cyclic Sequence Number (HCSN)
Uplink signaling parameters Measurement report
High Speed Downlink Packet Access: Iub/Iur protocol

Impacts on Iub Interface - General Aspects
Impacts on Iub/Iur Control Plane Protocols
HSDPA Signaling Requirements (Comparison between DSCH and HS-DSCH)
Impacts on NBAP Procedures
Example of HS-DSCH Configuration and Capacity Allocation
Examples of HS-DSCH Mobility Procedures
Impacts on Iub Interface User Plane Protocols
Transport Bearer Options
QoS Aspects
Security Aspects
TDD versus FDD Aspects
Backwards Compatibility
HSDPA Radio Aspects

Basic physical structure
HS-DSCH Characteristics
DL HS-DSCH Physical layer model
FDD Downlink Physical layer Model
TDD Downlink Physical layer model
UL Physical layer model
HS-DSCH physical-layer structure in the code domain
Signaling parameters
Downlink signaling parameters
UE identification
Transport Block Sizes
Channelization codes (FDD only)
HS-PDSCH configuration (TDD only)
HS-PDSCH power offset
HS-SCCH Cyclic Sequence Number (HCSN) (TDD only)
Uplink signalling parameters
Measurement report

HSDPA Physical and MAC Layer Design Issues

Turbo coding
Acquisition, rake receiver, TDD mode receiver, symbol rate processing, MIMO antennas, and interference cancellation and equalization
Physical Channels and Channel Structures
Spreading and modulation
Adaptive Modulation and Coding (AMC)
HSDPA ASIC verification
Devices, Node Bs and RNCs

HSDPA, short for High-Speed Downlink Packet Access, is a new protocol for mobile telephone data transmission. It is known as a 3.5G (G stands for generation) technology. Essentially, the standard will provide download speeds on a mobile phone equivalent to an ADSL (Asymmetric Digital Subscriber Line) line in a home, removing any limitations placed on the use of your phone by a slow connection. It is an evolution and improvement on W-CDMA, or Wideband Code Division Multiple Access, a 3G protocol. HSDPA improves the data transfer rate by a factor of at least five over W-CDMA. HSDPA can achieve theoretical data transmission speeds of 8-10 Mbps (megabits per second). Though any data can be transmitted, applications with high data demands such as video and streaming music are the focus of HSDPA.

HSDPA improves on W-CDMA by using different techniques for modulation and coding. It creates a new channel within W-CDMA called HS-DSCH, or high-speed downlink shared channel. That channel performs differently than other channels and allows for faster downlink speeds. It is important to note that the channel is only used for downlink. That means that data is sent from the source to the phone. It isn’t possible to send data from the phone to a source using HSDPA. The channel is shared between all users which lets the radio signals to be used most effectively for the fastest downloads.

Audience:

Engineers, technicians and other technical professionals requiring a technical foundation in UMTS systems and technology. The course is particularly valuable for those who are in the process of converting from current 2G technologies (for example GSM) to 3rd Generation systems, and those who will be working closely with UMTS in a technical capacity.

Prerequisites:

Basic Knowledge of radio principles and basic modulation techniques, along with a current mobile communications system.

Customize it:

This 2-3-day HSDPA course will be customized to your needs and specifications. Eno.com will assist you in identifying those needs and specifications. A word to the wise, there are many vendors of wireless training. They will typically have a broad and general course, one size fits all, already developed and just put your organization’s name on the title slide. This minimizes their effort and time investment. At Eno.com, every course is made to your exact and exacting specifications. We help you ensure what you are getting is what you really need even if at the beginning you weren’t too sure of what that was. We fit the class to your needs. We never fit you into our “standard� one size fits all, class.

Objectives:

This course provides you with a comprehensive business and technical foundation in HSDPA migration paths, services and applications development. It offers an overview of the High Speed Downlink Packet Access (HSDPA) technology. HSDPA enhances the packet data services provided in W-CDMA (UMTS) by increasing the data throughput and reducing unwanted delays and it allows carriers to increase downlink throughput over W-CDMA links.

Course Outline

UMTS �Introduction

Network Architecture and Components
Component Responsibilities
CDMA Operation and Features
Spreading Factors
Spreading and Channelisation Codes
Frames
FDD Operation
TDD Operation
TDD Channels
TDD Frames
Power Control
Major Logical Channels
Limitations of UMTS
HSDPA Major Change Areas

Power Control
Spreading Code Usage
Packet Scheduling �Channel Dependant
Fast Link Adaptation
Higher Order Radio Modulation
Fast ARQ and Soft Combining
High Speed Data Channel Characteristics

FDD Downlink Physical layer Model
TDD Downlink Physical layer Model
Uplink Support of High Speed Downlink
Downlink Control Channel �HS-SCCH
Uplink Control Channel �HS-DPCCH
MAC Architecture for HSDPA

Radio Interface Protocol Architecture
Overall Architecture
MAC-d
MAC-hs
HS-DSCH
Signalling Parameters
Mobility and Cell Change

Principles of HS Handover
Serving HS-DSCH Cell Change
Intra Node B Synchronised Serving HS-DSCH Cell Change
During Hard Handover
After Active Set Update
HS-DSCH Mobility Procedures
Fast Cell Selection
Multi User Diversity
Impact on Iur/Iub

Comparison between DSCH and HS-DSCH
Impact on NBAP procedures
HS-DSCH Configuration and Capacity Allocation Example
Transport Bearer Options
Data Frame Format for HS-DSCH Frame Protocol
Flow Control Options
Implementation Decisions

Feature Selection
Deployment Priorities
The Evolution Route for HSDPA

CQI (Channel Quality Indicator) Enhancement for FDD mode
Dynamic Range Extension for the TDD CQI Report
Multiple Simultaneous Transmissions to a UE
Code Reuse for Downlink HS-DSCH
Fast Signalling between Node-B and UE
Fast Adaptive Emphasis
High Speed Uplink Packet Access �HSUPA

Goals
Standardisation and Forum
Probable Implementation

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