Lecture 4: Capacity of Point-to-Point MIMO Channels
Автор: Wireless Future
Загружено: 2021-08-02
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This is the video for Lecture 4 in the course Multiple Antenna Communications at Linköping University and KTH. The lecture covers: The capacity of point-to-point MIMO channel using the singular value decomposition and waterfilling. The multiplexing gain. Transmit diversity over slow fading MISO channels.
The slides are available here:
https://github.com/emilbjornson/multi...
0:00 Introduction
0:04 Outline
0:37 Point-to-point MIMO channel
1:55 Notation
7:44 What is the channel capacity?
10:28 Eigenvalue decomposition
13:48 Singular value decomposition
17:12 Diagonalizing the MIMO channel
22:10 S parallel channels
24:14 Optimal Power Allocation
27:15 Low and high SNR
28:14 Capacity behavior at high SNR
30:47 Capacity behavior at low SNR
36:16 Example: Line-of-sight channel
38:54 Line-of-sight channels: No multiplexing gain
40:05 Slow fading and MISO channels (M = 2)
41:55 Space-time block coding
44:49 Transmit diversity versus receive diversity • Ideal capacity with MISO
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