pdf_gross.gifWiMAX from A-Z - reloaded

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

backtotop.gifOverview and Essentials

Course Description
  • What is WiMAX?
    • Evolution of a Standard’s Business Targets
    • WiMAX as PTP-Technology
      Important Characteristics
    • WiMAX as FWA- and Nomadic Access Technology (DSL-Alternative)
      Nomadic Access
    • WiMAX Networks with Mobile IP Support
      Introducing MIP-Operation
  • Involved Standard Organizations
    • Overview and Responsibilities
      MAC and PHY Specification, Backbone Network Architecture, Network Control and Upper Layer Protocols, Selection of mandatory Features and Profile Definition, Product Certification
    • IEEE 802.16 X, Y Z – the ABC of a Standard
      IEEE 802.16.1, IEEE 802.16.2, IEEE 802.16a, IEEE 802.16b, IEEE 802.16c, IEEE 802.16-2001, IEEE 802.16.2-2001, IEEE 802.16d, IEEE 802.16-2004, IEEE 802.16e-2005 with CORRIGENDUM 1 for IEEE 802.16-2004, CORRIGENDUM 2 for IEEE 802.16-2004, IEEE 802.16f, IEEE 802.16g, IEEE 802.16h, IEEE 802.16i, IEEE 802.16j, IEEE 802.16k, IEEE 802.16l, IEEE 802.16m
  • Frequency Ranges for WiMAX
    • Band Indices and Frequencies
    • International Frequency Allocations
    • Example: Frequency Situation of WiMAX in Germany
  • Important Assets and Features of the Physical Layer
    • Overview
    • OFDMA – Fast Review
    • Adaptive Modulation Scheme
    • HARQ-Support (Chase Combining)
    • AAS – Beamforming
    • Space-Time Coding (STC)
    • MIMO
  • Important Assets and Features of the Upper Layers
    • Overview
  • Throughput Rates and Performance Values
    • Depending on FFT-Size, Code Rate, DL/UL-Subframe Lengths etc.

backtotop.gif Architecture Details

  • E2E-Architecture Overview
    • ASN and CSN
    • NAP and NSP
    • NAP-Id and NSP-Id
      Globally unique Op-Id assigned by IEEE Registration Authority, Globally unique Op-Id assigned by ITU-T (based on E.212 MCC/MNC), Non-unique Op-Id for private Networks, NSP-Identifier Flag, Obtaining NAP-Id and NSP-Id
    • Possible Relationships between ASN and CSN
      Assessing the Situation of CSN 1 and NSP 1, Assessing the Situation of CSN 2 and NSP 2, Assessing the Situation of CSN 3 and NSP 3
  • Functionalities within the ASN
    • Overview
  • Functionalities within the CSN
    • AAA-related Functions
    • CSN-anchored Mobility Mgmt
    • IMS-Function
  • Subscriber Station / Mobile Station
  • Definition of Interfaces
    • R1-, R2-, R3-, R4-, R5-, R6-, R7-, R8-Interfaces
  • ASN-Implementation Options
    • Overview and Introduction
    • Details of Profile A Implementations
    • Details of Profile B Implementations
      Implementation Example
    • Details of Profile C Implementations
    • ASN-Functions in case of Profile A, B and C
      ASN- and CSN-anchored Mobility Management, QoS and Traffic Flow Management, AAA (Authentication, Authorization, Accounting), Radio Resource Management (RRM)
  • 3GPP-Interworking Architecture
    • Overview of Options
    • Interworking as I-WLAN Direct IP-Access
    • Interworking as I-WLAN 3GPP IP-Access
    • Interworking as GAN/UMAN
    • Network Architecture in case of I-WLAN Direct IP-Access
  • Overview of the Initial Network Entry Procedure

backtotop.gifOFDM and OFDMA in WiMAX

  • Introduction
    • Impact of Orthogonality in the Frequency Domain – 3 Steps
    • Practical Exercise: Physical Basics of OFDM / OFDMA
    • Practical Exercise: Scaling of OFDM / OFDMA-Systems
      Scaling of the WiMAX OFDMA PHY
  • Advanced Issues of OFDM / OFDMA
    • OFDM / OFDMA and IFFT
      Considering the Discrete Oscillator Array Option, Details of the IFFT Option (Why is it called
      F a s t Fourier Transformation?)
    • Using different Modulation Schemes on Different Subcarriers
    • Tackling Inter-Symbol Interference (ISI)
      Introduction, Delay Spread, Cyclic Prefix (Variable Duration and other Assets of the Cyclic Prefix, Cyclic Prefix in WiMAX OFDMA)
    • Layout of the IEEE 802.16 OFDM
      Remarks on the Brick Wall Image, Subchannelization , Pilot Subcarriers, Null Subcarriers
    • FDD- and TDD-Operation in OFDM / OFDMA-Systems
      View of an FDD-Implementation, View of a TDD-Implementation
  • Multiplexing Several Users on the OFDMA Physical Resource
    • Introduction to Subchannelization
      Slot Definition, Data Region Definition
    • Permutation Rules
      Overview DSCA and ASCA (PUSC and OPUSC, FUSC and OFUSC, TUSC1/TUSC2, AMC)
    • Distributed vs. Adjacent Subcarrier Allocation (DSCA/ASCA)
      Location- and Frequency-Selective Fading CINR, Advantageous Use of DSCA, Advantageous Use of ASCA
    • Details and Operation of DL-PUSC
      Operation and Selection of Subcarriers, Efficiency / No of Pilot Symbols
    • Details and Operation of UL-PUSC
      Operation and Selection of Subcarriers, Efficiency / No of Pilot Symbols
    • Details and Operation of FUSC (DL only)
      Operation and Selection of Subcarriers, Efficiency / No of Pilot Symbols
    • PUSC, FUSC and Frequency Reuse Issues
      Frequency Reuse Schemes (GSM: 3, 3, 9, WiMAX: 1, 1, 1, WiMAX: 1, 3, 3, WiMAX: 1, 3, 1, Clarification: Cell vs. BS / Site), PUSC and Fractional Frequency Reuse
    • Details and Operation of AMC N x M Permutation
      Operation and Selection of Subcarriers, Efficiency / No of Pilot Symbols
    • Number of Subchannels per FFT and Permutation Scheme
  • OFDMA-Frame Structure (TDD)
    • Frame Duration and other Time Constraints
    • No of Subchannels
    • Permutation Zones and Preamble

backtotop.gifOther Aspects of the .16e Physical Layer

  • Detailed OFDMA-Frame Structure
    • DL-Subframe and Zones
      FCH, DL-MAP, UL-MAP, DCD, UCD, HARQ-Zone, Bursts …
    • UL-Subframe and Zones
      ACK-Channel, Ranging Zone, CQICH-Zone, Bursts …
  • Resource Allocation in DL-Direction
    • DL-MAP Message / DCD-Message
      DIUC, DL-MAP-IE, Subchannel-Offset, Symbol-Offset …
  • Resource Allocation in UL-Direction
    • UL-MAP Message / UCD-Message
      UIUC, UL-MAP-IE, Subchannel-Offset, Symbol-Offset …
  • Signal Processing Chain in the PHY-Layer
    • Randomization, Channel Coding, Modulation
  • Ranging
    • Types of Ranging
      Initial Ranging, Periodic Ranging, HO-Ranging, BR
    • Operation
      Ranging Opportunities, Ranging Codes and their Generation, Mapping to Subcarriers
  • Multiple Antenna Techniques
    • STC-Techniques
    • AAS and Beamforming
    • MIMO
      Matrix A, B and C, Operation
  • Sounding
  • Feedback Channels
    • HARQ
    • CQICH

backtotop.gifProtocol Suite

  • Protocol Stacks
    • Control Plane
    • User Plane (IP) with CMIP-Support
    • User Plane (IP) with PMIP-Support
    • User Plane (Ethernet) without MIP (DSL-Emulation)
  • The MAC-Layer of IEEE 802.16e
    • Tasks and Functions
      Convergence Sublayer (MAC-CS) (Interface to Upper Layers, Packet Classification, Payload Header Suppression (PHS)), Common Part Sublayer (MAC-CPS)
    • Quality of Service
      WiMAX Traffic Classes, QoS-Parameters
    • CID’s
      Operation, Types of CID’s
    • MAC PDU-Types
      Generic MAC-Header, BR-Header, …
    • Security Procedures along PKMv2
      Authentication, TEK-Generation …
    • MAC Network Entry Procedure
  • Mobile Operation Procedures of the MAC-Layer
    • Sleep Mode
      Activation, Deactivation, Operation, Parameters
    • Idle Mode
      Activation, Deactivation, Paging Groups, Location Updating
    • Handover (ASN-controlled)
  • ASN-Control Protocol
    • Important Messages
    • PDU-Format
    • Procedures

backtotop.gifImportant E2E-Scenarios

  • Initial Access to the Network
    • Security based on X.509 Certificate (EAP-TLS)
    • Security based on SIM (EAP-SIM)
    • With CMIP
    • With PMIP
  • Handover Procedures
    • Fully Network controlled and other options
    • Inter-ASN w/ and w/o ASN-controlled Mobility Mgmt
  • IMS-Registration and VoIP-Operation
    • SIP-based Registration to IMS
    • Call Setup (MS Originating)
    • Call Setup (MS Terminating with Paging)
    • Reviewing the Audio Codec Frame Transfer through the Network
    • Change of ASN, Impact of NAT and CMIP/PMIP