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iDEN™
 
   
Course Name: iDEN™: Network Architecture, Operation, Design, and Optimization Training
   
Deployment Options: Onsite - Instructor-Led Training
   
Course Duration: 4-5 days depending on audience background and options
   
Related Courses
 
 
Introduction:
 
Unlike many other wireless technologies, iDEN™ is a proprietary technology developed by Motorola. While less widely deployed than other technologies, iDEN™ was the first to bring “push-to-talk” to a sizeable market.

The goal of this intermediate-to-advanced course, which assumes some existing familiarity with iDENTM, is to undertake an in-depth exploration of all aspects of the iDENTM technology. Discussed are issues related to the design, operation, optimization, and troubleshooting of iDENTM networks – including the major parameters and the associated tradeoffs. The course will allow you to evaluate solution approaches, anticipate performance problems, and identify ways of resolving them before they start to affect the network performance.
 
Audience:
 
Technical personnel with some prior exposure to iDEN™ or other 2G wireless technology who wish to study iDEN™ in depth.
 
Prerequisites:
 
None
 
Customize it:
 
This 4-5-day iDEN™ 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 eed 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:
 
 
Course Outline
 

Propagation models and their optimization in cellular networks

  • Fundamental modeling assumptions and limitations
  • Free space model: Why it works, or it doesn’t
  • Plane earth model: Simple, good, but not perfect!
  • Special propagation effects, e.g., water bodies, urban canyons, weather peculiarities, etc. and associated optimization issues
  • Diffraction issues and counter measures: “Does it matter where the antenna is placed? How about its orientation?”
  • Empirical propagation models, and their optimization/calibration, correct/optimal use and limitations

Fading models and their correct use

  • Fundamental modeling assumptions and limitations
  • Long-term fading: How “long” is “long”?
  • Short-term fading: How “short” is “short”?
  • Long term versus short term fading as it impacts measurements and model optimization
  • Fading in the time domain
  • Fading in the frequency domain
  • Fading countermeasures: In principle and in the actual iDEN system; what one can do in practice to combat fading
  • Different mitigation techniques for different problems: Diagnosis before cure

Link budget and associated pitfalls or why are the signal/coverage and/or interference patterns not as good as we expected?

  • Link budget principles: Same as any other “budget”
  • Receiver sensitivity
  • Path balancing
  • Antennas/cable mismatches and VSWR issues
  • Fading margin calculations and its optimization tradeoffs

Interference issues and mitigation

  • Cochannel interference
  • Adjacent channel interference
  • Inter-modulation issues

Putting iDEN™ in perspective

  • iDENTM: A historical and regulatory perspective
  • Communication protocol stack
  • Physical layer in iDENTM: its strengths and weaknesses or how to capitalize on its strePropagation models and their optimization in cellular networks
  • Fundamental modeling assumptions and limitations
  • Free space model: Why it works, or it doesn’t
  • Plane earth model: Simple, good, but not perfect!
  • Special propagation effects, e.g., water bodies, urban canyons, weather peculiarities, etc. and associated optimization issues
  • Diffraction issues and counter measures: “Does it matter where the antenna is placed? How about its orientation?”
  • Empirical propagation models, and their optimization/calibration, correct/optimal use and limitations

Fading models and their correct use

  • Fundamental modeling assumptions and limitations
  • Long-term fading: How “long” is “long”?
  • Short-term fading: How “short” is “short”?
  • Long term versus short term fading as it impacts measurements and model optimization
  • Fading in the time domain
  • Fading in the frequency domain
  • Fading countermeasures: In principle and in the actual iDEN system; what one can do in practice to combat fading
  • Different mitigation techniques for different problems: Diagnosis before cure

Link budget and associated pitfalls or why are the signal/coverage and/or interference patterns not as good as we expected?

  • Link budget principles: Same as any other “budget”
  • Receiver sensitivity
  • Path balancingngths and deal with its weaknesses
  • Layer 2 and Layer 3 message structures: How messages are created, transmitted, and received. Impact on optimization issues

Speech coding

  • Speech coding concepts
  • Speech coding schemes used in iDENTM and impact on optimization/blocking probability
  • Optimization issues related to traffic engineering and resource availability
  • Traffic engineering principles
  • Erlang B, Erlang C and Poisson models vis-à-vis interconnect and dispatch traffic as used in iDENTM

Error control coding

  • Error control coding concepts
  • Error control coding for iDENTM
  • Optimization capabilities and limitations resulting from error control coding schemes used in the system
  • Relationships between “Actual” Error rates, “Measured” Error rates, SQE, RSSSI, etc.

Digital modulation techniques: General concepts and limitations/impact on optimization issues
Modulation and channel structure in iDEN™

  • Spectrum allocations and channelization
  • iDENTM RF carrier and modulation structure
  • TDMA framing structure
  • Logical channels and their relationship to the RF carrier(s)
  • Camping algorithm and call processing and associated optimization issues
  • Measurements, measurement reporting, and corresponding handover considerations and associated optimization issues

Performance/optimization issues

  • Specific to the Random Access Channel and its parameters
  • Specific to the Paging Channel and its parameters
  • Specific to unique propagation characteristics, such as large water bodies, water and mountain combination, dense urban areas, etc.

Conclusion: Summary and Q&A session
 
Other Expertise:
 
 
 

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