- course id
- WIMAX-2DT
- duration
- 2 day(s)
- Aimed At
-
This course is aimed at technical professionals who are familiar with 2G, 3G, and/or other 4G (such as LTE) wireless technologies and desire a quick overview of the WIMAX technology. For a more in-depth treatment of the topic, please consider WIMAX-C3DC, the three-day counterpart of this course.
- Prerequisites
-
Familiarity with 2G/3G technologies or LTE.
- Course in a Nutshell
-
The course begins with a review of the modulation schemes, RF propagation issues, performance enhancement techniques, and multipath mitigation methods. This is followed by a discussion of the principle of OFDM, IEEE 802.16 physical layer, and WiMAX signalling. The course concludes with a look at the network architecture and link budget calculations.
- Customize It!
-
We can customize this course to suit the needs of audiences such as hardware designers, application developers, service designers, sales engineers, marketing/sales personnel, radio planners, and persons involved in defense and homeland security applications relating to WiMAX.
- Learn How To
-
- Course Outline
-
- Review of Modulation Schemes
- Complex envelope representation
- BPSK, QPSK, 16-QAM, 64-QAM
- BER performance comparison
- Coherent detection
- Propagation Channel Modeling
- AWGN, Rayleigh/Ricean fading
- Delay spread, frequency selectivity
- Lognormal fading
- Path loss comparison (indoors vs. outdoors)
- Performance Improvement Methods
- FEC (convolutional) codes
- Antenna diversity (receive - MRC and optimal combining)
- Antenna diversity (transmit - STBC, MIMO)
- Adaptive Antenna Arrays (AAA)
- Multipath Mitigation
- TDMA vs. CDMA vs. OFDMA
- Discussion of throughput vs. data rate
- OFDM Principles
- Transmission and modulation (IFFT, S/P)
- Sub-carrier discussion
- Reception and demodulation (FFT, P/S)
- Cyclic prefix
- Comparison with 3GPP LTE (uplink and downlink)
- IEEE 802.16 Physical Layer
- HARQ (comparison with HSDPA and LTE)
- Uplink channels discussion
- Adaptive modulation
- TDD and FDD principles
- Downlink channels discussion
- Bandwidth tradeoff
- DL/UL subframe time ratios
- Segments and sectoring
- MIMO/AAS scenarios
- General overview
- How are these modes selected and enabled?
- Power control
- WiMax Signaling Discussions
- Higher layer signaling
- Handover Procedures
- Fast handover description and when it is used
- Overall handover sequence
- Sleep/idle modes
- When is it used
- How is it initiated and how to exit mode
- MAC functionality
- Security architecture: Authentication, integrity
- Explanation of overall architecture and security protocols in general
- Time of establishment and which security associations are used when
- What is encrypted besides MAC PDU
- CLEAR's security and encryption package
- System Analysis
- Network architecture
- Operating frequency bands
- Link budget
- Wrap-up: Course Recap and Discussion
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