研究目的
To propose the design and characterization process of a low-power, compact RFID transceiver for sensing applications in space.
研究成果
The proposed bistatic direct-conversion RFID transceiver operating at the 5725-5850 MHz ISM frequency band achieves 31 dBm EIRP and demonstrates feasibility for space sensing applications, with potential for use in other applications requiring 5.8 GHz RFID transceivers.
研究不足
The design is constrained by the need for low power consumption and small size, limiting the maximum communication range and requiring trade-offs between performance and power consumption.
1：Experimental Design and Method Selection:
The RFID transceiver uses a homodyne architecture for direct conversion, reducing complexity and power consumption.
2：Sample Selection and Data Sources:
Uses a semi-passive tag assisted by a coin battery to demonstrate sensitivity.
3：List of Experimental Equipment and Materials:
Includes synthesizer, power amplifier, LNA, down-converter, baseband amplifier, ADC/DSP.
4：Experimental Procedures and Operational Workflow:
Measures sensitivity and bit-error-rate (BER) when communicating with a battery-assist RFID tag.
5：Data Analysis Methods:
Uses a matched filter to process the sampled signal and determine BER.
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