Chapter
3 Adaptive Subcarrier Bandwidth
3.1 Adaptive Subcarrier Bandwidth in TDM-OFDM
3.1.3 Algorithm for Adaptive Bandwidth for Subcarriers
3.1.4 Results and Discussion
3.2.2 Results and Discussion
4 Variable Guard Interval
4.4 Performance and Discussion
5 Hybrid Multicarrier Spread Spectrum
5.1 Subcarrier Hopping Multicarrier Spread Spectrum
5.1.4 Simulation Results and Discussion
5.2 MC-SS with Receiver Impairments
5.2.3 Simulation Environment, Results and Discussion
6 Coordinated Subcarrier and Band Hopping in OFDMA Systems
6.2 Multiple Access (or Channelization) Approach
6.4 Subcarrier and Band Hopping Strategies
6.5 Transceiver Structure
6.6 Hopping Sequence Design
6.6.4 Physical Considerations
6.6.5 Sequence Design Preliminaries
6.6.6 Slow Band Hopping (SBH)
6.6.7 Fast Band Hopping (FBH)
6.6.8 Sub Carrier Hopping (SCH)
6.6.9 Implementation of Hopping Mechanism
6.7 System Level Simulation
6.7.1 Interference Calculation
6.7.2 Outage SINR Analysis
6.7.3 Goodput Simulations
7.2 Degrees of Freedom in Link Adaptation Process
7.3 Bit and Power Loading Algorithm
7.5.1 Different Link Adaptation Algorithms
7.5.2 LA with Different Subchannel Sizes
7.5.5 Different LA and PC Rates
7.5.6 Interaction between Spatial Diversity and Link Adaptation
8 Link Adaptation under Transceiver Impairments
8.1 Influence of Nonlinear HPA
8.1.2 Effect of HPA on Different Modulation and Coding Rates
8.1.3 Link Adaptation under HPA Impairments
8.2.2 LA under Undetected ICI
9 Bit Loading on Pilot Subcarriers
9.3 Analytical Framework and Algorithm
9.4 Simulation and Discussion
10 Joint Link Adaptation and Resource Allocation in SISO/SIMO Systems
10.3 Maximum Carrier to Interference Ratio (MAX C/I)
10.4 Proportional Fair (PF)
10.7 Comparison between the Link Level and System Level Simulator
10.8 Simulation Result for Different RA Schemes
10.8.1 Allocated Bit,Coding Rate and Rate
10.8.5 UE Throughput and Cell Throughput
10.8.7 User Throughput versus Averaged SINR and Distance
10.8.8 Allocation Correlation
10.8.9 Rate Allocation at Different Distance Ranges
10.8.10 Number of Served and Dropped UEs per Second
10.9 Simulation Result for PF with Different Configurations
10.9.3 UE Throughput and Cell Throughput
10.9.5 User Throughput versus Averaged SINR & Distance
10.9.6 Number of Served and Dropped UEs per Second
11 MIMO Precoding in Multi-User Scenarios
11.1 Precoding Techniques
11.1.1 Linear Precoding Techniques
11.1.2 Nonlinear Precoding Techniques
11.2.1 SDMA & CI with Single Antenna at UE
11.2.2 OFDMA & SDMA & CI with Single Antenna at UE
11.2.3 SDMA & CI/BD with Multiple Antennas at UE
11.2.4 OFDMA & SDMA & CI/BD with Multiple Antennas at UE
12 Simulation Results for Linear MIMO Precoding Techniques
12.2 Comparison between SNR and SINR with Precoding
12.3 Simulation Result for Precoding
12.3.1 SDMA with Single-Antenna UEs
12.3.2 OFDMA & SDMA with Single-Antenna UEs
12.3.3 SDMA with Correlated Antennas at UE
12.3.4 OFDMA & SDMA with Multiple-Antenna UEs
13 Impact of MIMO CCI: SINR Analysis and System Performance
13.2 Assumptions and Definitions
13.2.3 Scenario Definition
13.3 Symbol-by-Symbol Linear Receivers
13.4.1 SIMO in Desired Link
13.4.2 AS in the Desired Link
13.4.3 TxBF in the Desired Link
13.4.4 STBC in the Desired Link
13.5.2 Equal Power Scenario
13.6 Probability of Error
13.6.1 When Interferer is not STBC
13.6.2 When an Interferer Is STBC
13.7 BER Evaluations via Numerical Simulations
13.7.1 Simulation Parameters
13.7.2 Equal Power Scenario
14 MIMO Systems at Cell Edge: Robust Receiver Design
14.2 Multiple Symbol Processing
14.2.1 Scenario and Assumptions
14.2.2 Linear MMSE receiver: Multiple symbol processing
14.2.3 Impact on System Level and Implementation Related Issues
14.3 Numerical Evaluations
14.3.1 Simulations Parameters
14.3.3 Initial Investigations in Time-Invariant Channel
14.3.4 Simulation with Different Type of MIMO Interferers
14.3.6 STBC Detection Module
14.4 Fractional Frequency Re-Use at Cell Edge
14.4.1 Motivation and Problem Definition
14.4.4 Evaluation of Proposed FFR Method
15 Conclusions and Future perspectives
15.2.2 Soft Combining Using Network MIMO
15.2.3 Interference Management
15.2.4 Dynamic Fractional Frequency Re-Use
15.2.6 Home Base Stations and Self Organizing Networks
15.2.7 Spectrum Sharing and Cognitive Radio
A The System-Level Simulator
A.3 Minimum Coupling Loss (MCL)
A.9 CSI Estimation Error and Quantization
A.12 Flowchart of the System-Level Simulator
A.13 Brief Description of the Simulator
A.15 To Begin the Simulator
A.16.1 Link Level Simulation
A.16.2 System Level Simulation
A.17 Primary Parameter Description
B LA in OFDM Systems under HPA
B.2 Performance of Different Modulation and Coding