Abstract
In this paper a new active RFID system at 2.45 GHz based on the low-power system-on-chip CC2530 RF transceiver is designed and implemented. Only by using of an integrated multi-channel fast chip, both the MCU and RF operations are done which makes the RFID more reliable and reduces the complexity of the hardware and cost, vividly. This RFID system utilizes the Zig-Bee IEEE 802.15.4 standard in the ISM band. A lot amount of energy is restored by setting Tags in the sleep mode in the most of times. The maximum transmission range of 80 m at the output power of 4.5 dBm is obtained. The main application of this system is for the container identification with precise operation and high accuracy. An active Tag with unique ID is mounted on each vehicle. By enabling the AUTOCRC error detection possibility, minor errors are detected in the received frames. Receiver sensitivity of –97 dBm and current consumption of 1 uA in the sleep mode and 29.6 mA in the active mode are reported.
Highlights
Radio Frequency Identification technology had been widespread in recent years, and encompasses an extensive range of wireless applications such as distribution, transportation, tracing, patient monitoring, military applications and etc
In this paper a new active Radio Frequency Identification (RFID) system at 2.45 GHz based on the low-power system-on-chip CC2530 RF transceiver is designed and implemented
Because time division multiple access (TDMA) protocols are the largest applicable group of anti-collision, we focus on TDMA in this paper. [3]
Summary
Radio Frequency Identification technology had been widespread in recent years, and encompasses an extensive range of wireless applications such as distribution, transportation, tracing, patient monitoring, military applications and etc. A Reader includes the microprocessor, transceiver, antenna and a peripheral interface for user commands and monitoring This two structured electronic devices which are at the heart of every RFID system, communicate with each other in the wireless manner [2]. Passive Tags don’t have any internal power source They extract their energy from the Reader scattered wave and only act within the magnetic domain of the Reader. In addition to passive RFID Tags, active RFID Tags are designed having their own power supply, which is the basis of our work. They even act out the range of magnetic field of the Reader.
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