Difference between revisions of "Combating the effect of Fading in Mobile Systems"

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{{Lecture
 
{{Lecture
|Course=UNIK4230
+
|Course=UNIK4230,
 
|Title=Combating the effect of Fading in Mobile Systems
 
|Title=Combating the effect of Fading in Mobile Systems
|Lecture date=2013/02/28
+
|Lecture date=2015/02/26
|time=13:15
+
|time=13:15 - 16:00
|Lecturer=Josef.Noll,
+
|Lecturer=Per Hjalmar Lehne,
|Objective=This lecture will provide
+
|Objective=To understand how fading can be mitigated in mobile systems
|Learning outcomes=Learning outcomes: 3-types of fading, dB, Fading Margin, Received power, Receiver sensitivity, Types of Diversity, Rake receiver versus standard receiver
+
|Learning outcomes=Types of Diversity,
principles handled, including probability of error (function and examples). All other formulas were not explained
+
Diversity algorithms,
|Pensum (read before)=Read
+
Channel equalizers,
* Slides
+
Multiple antennas fundamentals
* lecture notes from previous courses
+
|Pensum (read before)=Book: Wireless Communication Systems, chapter 5: [[Media:UNIK4230-CHAPTER-5.pdf]]
|References (further info)=References:  
+
|References (further info)=Article: David Gesbert and Jabran Akhtar: «Breaking the Barriers of Shannon’s Capacity: An Overview of MIMO Wireless Systems». Telektronikk, 98(1), p53-54, 2002. (download below)
* Book: Wireless Communications (Chapter 5)
+
|Keywords=Fading, Diversity, Inter Symbol Interference, Bit error rate, Space Diversity, Angular Diversity, Frequency Diversity, Time Diversity, Polarization Diversity, Multiple antennas, MIMO, Equalizers,
* Fade Margin Calculator: http://www.invictusnetworks.com/faq/RF%20Technical%20Info%20and%20FCC%20Regs/Fade%20Margin%20Calculator%20-%20Basic.htm
+
|Keywords=Fading, Diversity, Rayleigh, Inter Symbol Interference, Fading Margin, Bit error rate, Rake receiver, Beamforming, Space Diversity, Receiver Sensitivity, Receive Power
+
 
}}
 
}}
 
= Test yourself, answer these questions =
 
= Test yourself, answer these questions =
 
 
* What is the effects of fading?
 
* What is the effects of fading?
 
* How we can combat fading?
 
* How we can combat fading?
* What is diversity and mention some of the diversity techniques.
+
* What is diversity and mention some of the diversity techniques?
* Rake receivers. How does it work?
+
* What is the difference between Selection Combining (SC) and Maximum Ratio Combining (MRC)?
* Beamformig. How does it work?
+
* How can multiple antennas be used to exploit multipath transmission?
* Diferences between fast fading and slow fading.
+
* Comparison between SC, MRC. How do they work with RSSI?
+
  
= Lecture =  
+
= Lecture 2015 =
 +
* [[Media:UNIK4230-Lecture-4-Combating fading.pdf]]
 +
* [[Media: Akhtar-Gesbert-MIMO-overview-Telektronikk-2002.pdf]]
 +
* Video: http://lux.unik.no/unik4230-ak/unik-20150226.wmv
 +
 
 +
= Lecture 2014 =
 +
* [[Media:UNIK4230-06Mar2014_L5.pdf]]
 +
* Video: http://lux.unik.no/unik4230-ak/unik-20140306.wmv
 +
 
 +
= Lectures 2012/2013 =
 
* [[Media:UNIK4230-Fading-L5-2012.pdf]] Slides in 2012-2013
 
* [[Media:UNIK4230-Fading-L5-2012.pdf]] Slides in 2012-2013
 
* [[Media:LectureNotes-Fading-2013.pdf]] Lecture notes 2013
 
* [[Media:LectureNotes-Fading-2013.pdf]] Lecture notes 2013
* [[Media:LectureNotes-Fading-2012.pdf]] Lecture notes  
+
* [[Media:LectureNotes-Fading-2012.pdf]] Lecture notes
* Video: mms://lux.unik.no/unik4230-ak/unik-20130228.wmv
+
* Video: http://lux.unik.no/unik4230-ak/unik-20130228.wmv
 
+
  
 
* [[Media:LectureNotes-Fading-2011.pdf]] Lecture notes from 2011
 
* [[Media:LectureNotes-Fading-2011.pdf]] Lecture notes from 2011
  
* Video: mms://lux.unik.no/unik4230-ak/unik-20120216.wmv
+
* Video:http://lux.unik.no/unik4230-ak/unik-20120216.wmv
  
 
= Other info =
 
= Other info =
 
* Book: [[Media:UNIK4230-CHAPTER-5.pdf]]
 
* Book: [[Media:UNIK4230-CHAPTER-5.pdf]]

Latest revision as of 15:17, 4 June 2015

Combating the effect of Fading in Mobile Systems

Course UNIK4230
Title Combating the effect of Fading in Mobile Systems
Lecture date 2015/02/26 13:15 - 16:00
presented by Per Hjalmar Lehne
Objective To understand how fading can be mitigated in mobile systems
Learning outcomes Types of Diversity,

Diversity algorithms, Channel equalizers, Multiple antennas fundamentals

Pensum (read before) Book: Wireless Communication Systems, chapter 5: Media:UNIK4230-CHAPTER-5.pdf
References (further info) Article: David Gesbert and Jabran Akhtar: «Breaking the Barriers of Shannon’s Capacity: An Overview of MIMO Wireless Systems». Telektronikk, 98(1), p53-54, 2002. (download below)
Keywords Fading, Diversity, Inter Symbol Interference, Bit error rate, Space Diversity, Angular Diversity, Frequency Diversity, Time Diversity, Polarization Diversity, Multiple antennas, MIMO, Equalizers

this page was created by Special:FormEdit/Lecture, and can be edited by Special:FormEdit/Lecture/Combating the effect of Fading in Mobile Systems.


Test yourself, answer these questions

  • What is the effects of fading?
  • How we can combat fading?
  • What is diversity and mention some of the diversity techniques?
  • What is the difference between Selection Combining (SC) and Maximum Ratio Combining (MRC)?
  • How can multiple antennas be used to exploit multipath transmission?

Lecture 2015

Lecture 2014

Lectures 2012/2013

Other info