Low-power Direct-detection Wake-up Receiver at 2.44 GHz for Wireless Sensor Networks / von M.Sc. Saed Abughannam ; [Referent: Prof. Dr.-Ing. J. Christoph Scheytt, Korreferent: Prof. Dr.-Ing. Rolf Kraemer]. Paderborn : Heinz Nixdorf Institut, Universität Paderborn, [2024]
Content
- Contents
- 1 Introduction
- 1.1 Wireless Sensor Network and its Applications
- 1.2 Power Reduction in WSN
- 1.3 Main Contributions
- 1.4 Thesis Organization
- 2 Related Work
- 2.1 Conventional RF Receivers
- 2.2 Wake-up Receivers Architectures
- 2.3 Circuit Techniques
- 2.3.1 Sub-threshold Region
- 2.3.2 Power Supply Scaling
- 2.3.3 Current Reuse
- 2.3.4 Envelope Detector
- 2.3.5 Passive Circuits
- 2.4 CMOS Technology
- 2.5 Co-channel Interference Robustness
- 2.6 Proposed WuRx Architecture
- 2.7 Summary
- 3 System Level Analysis and Design
- 3.1 Design Considerations of Wireless Sensor Networks
- 3.1.1 Basic WSN Characteristics
- 3.1.2 Single-hop Versus Multi-hop Communication Scheme
- 3.1.3 Sensing Node Architecture
- 3.1.4 Challenges and Constraints of Network and Node Design
- 3.2 Surface Acoustic Wave (SAW) Correlator
- 3.2.1 Principle and Applications
- 3.2.2 Device Modulation and Parameters Selection
- 3.2.3 Device Modeling Techniques
- 3.3 Receiver Sensitivity Analysis
- 3.4 Link Budget and Range
- 3.5 WuRx Chip Design Target
- 3.6 Summary
- 4 Components Level Design and Simulation
- 4.1 SAW Correlator Design and Simulation
- 4.2 RF Envelope Detector
- 4.3 Baseband Amplifier
- 4.4 Narrowband Correlator
- 4.5 Multi-Phased Clock Generator
- 4.6 Phase Lock Loop
- 4.7 WuRx Chip Layout
- 4.8 Summary
- 5 Results and Measurements
- 5.1 SAW Correlator
- 5.2 WuRx Integrated Circuit
- 5.3 Power Management Board
- 5.4 Digital Processing
- 5.5 Benchmark
- 6 Conclusion and Future Work
- Publications by the Author
- Bibliography