Unit 1 Introduction to Software Radio Concepts

2 lecture hours

• The Need for Software Radios
• What Is a Software Radio
• Characteristics and Benefits of a Software Radio
• Design Principles of a Software Radio

Unit 2 Radio Frequency Implementation Issues

5 lecture hours

• The Purpose of the RF Front-End
• Dynamic Range: The Principal Challenge of Receiver Design
• RF Receiver Front-End Topologies
• Enhanced Flexibility of the RF Chain with Software Radios
• Importance of the Components to Overall Performance
• Transmitter Architectures and Their Issues
• Noise and Distortion in the RF Chain
• ADC and DAC Distortion

Unit 3 Multirate Signal Processing

5 lecture hours

• Introduction Sample Rate Conversion Principles
• Poly-phase Filters
• Digital Filter Banks
• Timing Recovery in classical Analog Receiver
• Timing Recovery in Digital Domain
• Early-Late gate Synchronizer

Unit 4 Digital Generation of Signals 6 16

• Comparison of Direct Digital Synthesis with Analog Signal Synthesis
• Approaches to Direct Digital Synthesis
• Analysis of Spurious Signals
• Spurious Components due to Periodic Jitter
• Bandpass Signal Generation
• Performance of Direct Digital Synthesis Systems
• Hybrid DDS-PLL Systems
• Applications of direct Digital Synthesis
• ROM compression Techniques
• Sine-Phase Difference algorithm approach

Unit 5 Smart Antennas

6 lecture hours

• Vector Channel Modeling
• Benefits of Smart Antennas
• Structure for Beam Forming Systems
• Smart Antenna Algorithms
• Diversity and Space time Adaptive signal Processing
• Algorithms for Transmit STAP
• Hardware Implementation of Smart Antenna

Unit 6 Digital Hardware Choices

4 lecture hours

• Key Hardware Elements
• DSP Processors
• Trade-offs in using DSPs FPGAs and ASICs
• Power Management Issues
• Combinations of DSPs
• FPGAs and ASICs

Unit 7 Case Studies in Software Radio Design

5 lecture hours

• Introduction, and Historical Perspective
• Wireless Information Transfer System
• Current Trends