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Tutorials
Tutorial Title:
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MIMO System for wireless communications
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Presenter(s):
Affiliations:
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Centre for Telecommunications Research, Kings College
London, UK
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Overview:
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In this tutorial we provide an overview of
information theoretic limits of MIMO systems under realistic assumptions for
time-varying channels. We consider multiple definitions of capacity (i.e.
ergodic and outage capacity) and many channel fading models (i.e. antenna
correlation). We begin with a comprehensive summary of capacity results for
single user MIMO channels under different fading models. We will then review
some results in the areas of diversity, space time coding and transmitter
optimization. Next we consider multi-user MIMO systems including cellular
systems and Relaying channels ad-hoc networks. We also look into WiMAX
systems as a standard using MIMO system.
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Contents:
- Introduction to MIMO Systems
- Wireless channel
- Fading, Propagation
- Spatial Correlation
- Shadowing
- Mutual information of MIMO channels
- Ergodic capacity
- Outage capacity
- Effect of Channel knowledge on capacity of MIMO
channel
- Influence of spatial correlation
- Will the capacity always degrade in the
presence of spatial correlation?
- Degree of freedom in MIMO channels
- Limits of coherent operation
- Space time codes
- The concept of spatial diversity
- Transmit diversity
- Receive diversity
- Space time block codes
- Channel uncertainty
- Types of channel uncertainty
- Effect of channel uncertainty of the performance
of MIMO systems
- The impact of channel uncertainty on the
applicability of capacity achieving schemes in MIMO channels
- Transmitter optimization
- Beam-forming, Water-filling, antenna selection
- Space time pre-coding
- The importance of channel knowledge
- Partial channel knowledge
- Multi-user MIMO
- MIMO in cellular systems
- Multiple access channel
- Broadcast channel
- MIMO in Ad hoc networks
- Relaying channels
- Distributed MIMO channels
- Distributed space time codes
- Capacity limits of ad hoc networks
- WiMAX
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Place and Date:
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Faculty of Engineering, Shiraz University, Shiraz,
Iran, Friday Sept. 9, 2005.
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Audience:
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The tutorial is targeted towards a broad audience,
both from the academic and the industrial environments who know the basics of
wireless communications and fading channels and desire to learn more on
multiple-input multiple-output communications and its applications on
wireless communications systems.
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Teacher’s Biography:
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Leila Musavian received her BEng. degree in 1999
in Telecommunications Engineering from Sharif University of Technology, Tehran. Later she
continued her studies as a Msc. student at Tarbiat Modares University, Tehran. She joined King’s
College London as a Research Student in September 2002. She is currently a
PhD student in Centre for Telecommunications Research under joint supervision
of Prof. Aghvami and Dr. Nakhai. Her research interest includes communication
theory, MIMO systems, information theory and ad hoc networks.
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