Views
4 years ago

Overview of MIMO systems

Overview of MIMO systems

2 SISO Vs

2 SISO Vs MIMO Comparison : Average capacity of ideal MIMO systems SMARAD / Radio Laboratory 11 3 Spatial multiplexing 3 Spatial multiplexing 3.1 Principle We send multiple signals, the receiver learns the channel matrix and inverts it to separate the data. SMARAD / Radio Laboratory 12

3 Spatial multiplexing Example for 3x3: ⎡ h h h x x 1⎤ ⎡ 11 12 13⎤ ⎡ h h h b b 1⎤ ⎢ 2⎥= ⎢ 21 22 23⎥ ⎢ 2⎥+ Noise ⎢⎣ x3⎥⎦ ⎢⎣ h31h32h33⎥⎦ ⎢⎣ b3 ⎥ ⎦ ⎡bˆ ⎢ bˆ ⎢ ˆ ⎢b ⎣ 1 2 3 ⎤ ⎥ = ⎥ ⎥⎦ ⎡x ⎢x ⎢⎣ x Η − 1 1 2 3 ⎤ ⎥ ⎥⎦ SMARAD / Radio Laboratory 13 3 Spatial multiplexing 3.2 Impact of channel model MIMO Performance is very sensitive to channel matrix invertibility. The following degrades the conditioning of the channel matrix: Antenna correlation caused by: - Small antenna spacing, or - Small angle spread Line of sight component compared with multipath fading component : - Multipath fading component, close to random identical independent distribution, is well conditioned - Line of sight component is very poorly conditioned. SMARAD / Radio Laboratory 14

Solution overview - Insight Integrated Systems
GPS JAMMING MITIGATION SYSTEM: AN OVERVIEW - Malaysia Geospatial ...
Systemic Lupus Erythematosus Overview - The Lupus Initiative
HPC Systems Overview - LinkSCEEM
Overview of wiring duct systems
Gel Documentation Systems Overview
Systems Overview
GS1 System overview pdf - GS1 UK
"MIMO Systems Revisited," Dr. R. Müller, Professor, Norwegian
Outage Management System Overview
Overview - National University System
System overview VISOCALL IP.
Optional Sun System, Storage, and Software Technology Overview
Overview of Vehicle and Systems Simulation and Testing
Overview of the HydroDyn Hydrodynamics Module Design ... - NREL
System Architect 2 / 3 Overview - HiQnet
Ship Warfare Integration Systems Panel Overview - NSRP
Overview of the 'Classification of huminite ICCP System 1994'
System i Navigator Overview - Gateway/400 Group
Country Response Information System : overview of the ... - unaids
Fluid Systems Services Overview - BHR Group
Overview infrared cameras PYROVIEW - DIAS Infrared Systems
LD Systems Product Overview 2009 - MusiCo
QZSS Overview Quasi-Zenith Satellite System
Marvac Overview Catalogue - Safety Systems UK Ltd
ARINC 664p7 End Systems Product Overview - Instrumentation ...