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Important questions
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UNIT -1
2. System Model for Uplink and Downlink, Basic Impact of Spatial Channel Correlation*
UNIT-2
1. Deterministic Channel-Capacity Upper Bound
2. Independent Rayleigh Fading,(UR-LOS)
3.Distance from Favorable Propagation-Favorable Propagation and Linear Processing
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UNIT-4
- Uplink Pilots and Channel Estimation, Uplink Data Transmission Zero-Forcing
- Maximum-Ratio, Downlink Data Transmission -Zero-Forcing Maximum-Ratio
- The Effects of Pilot Contamination - Non-Synchronous Pilot Interference
- Uplink Pilots and Channel Estimation, Uplink Data Transmission Zero-Forcing
- Maximum-Ratio, Downlink Data Transmission -Zero-Forcing Maximum-Ratio
- The Effects of Pilot Contamination - Non-Synchronous Pilot Interference
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UNIT-5
1.Fixed Broadband Access in Rural Area, Preliminaries and Algorithms, 2. Mobile Access Dense Urban Scenario Suburban Scenario Minimum Per-Terminal Throughput Performance 3.Comparison of Power Control Policies
UNIT-5
1.Fixed Broadband Access in Rural Area, Preliminaries and Algorithms,
**Very important questions are bolded and may be asked based on this topic
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UNIT 1 MASSIVE MIMO NETWORKS
Definition of Massive MIMO, Correlated Rayleigh Fading, System Model for Uplink and Downlink, Basic Impact of Spatial Channel Correlation, Channel Hardening and Favourable Propagation, Local Scattering Spatial Correlation Model
Unit II THE MASSIVE MIMO PROPAGATION CHANNEL
Favorable Propagation and Deterministic Channels-Capacity Upper Bound-Distance from Favorable Propagation-Favorable Propagation and Linear Processing-Singular Values and Favorable Propagation, Favorable Propagation and Random Channels-Independent Rayleigh Fading-Uniformly Random Line-of-Sight (UR-LOS)-Independent Rayleigh Fading versus UR-LOS - Finite Dimensional Channels
UNIT III SINGLE-CELL SYSTEMS
Uplink Pilots and Channel Estimation Orthogonal Pilots- De-Spreading of the Received Pilot Signal-MMSE Channel Estimation, Uplink Data Transmission - Zero-Forcing-Maximum-Ratio, Downlink Data Transmission-Linear Precoding-Zero-Forcing-Maximum-Ratio, Discussion Interpretation of the Effective SINR Expressions-Implications for Power Control-Scaling Laws and Upper Bounds on the SINR - Near-Optimality of Linear Processing when M >> K-Net Spectral Efficiency - Limiting Factors: Number of Antennas and Mobility
Unit IV MULTI-CELL SYSTEMS
Uplink Pilots and Channel Estimation, Uplink Data Transmission Zero-Forcing -Maximum-Ratio, Downlink Data Transmission -Zero-Forcing Maximum-Ratio, Discussion -Asymptotic Limits with Infinite Numbers of Base Station Antennas - The Effects of Pilot Contamination - Non-Synchronous Pilot Interference
Unit V CASE STUDIES
Single-Cell Deployment Example: Fixed Broadband Access in Rural Area, Multi-Cell Deployment: Preliminaries and Algorithms, Multi-Cell Deployment Examples: Mobile Access Dense Urban Scenario Suburban Scenario Minimum Per-Terminal Throughput Performance -Additional Observations - Comparison of Power Control Policies