Differences between Full-duplex and Half-duplex Sensor Monitoring System

2024-06-13 G-NiceRF Official Website
Uart RF module,G-NiceRF

The sensor monitoring system formed by the Uart RF module is usually composed of a master station and multiple slave stations. The data transmission from the master station to the slave station is called downlink, the frequency used is called the downlink frequency, and the data transmission from the slave station to the master station is called uplink. The adopted frequency is called the upstream frequency.

 

If the master station adopts the full-duplex working mode, the downlink data transmission and uplink data transmission of this system can be carried out at the same time, but the uplink frequency and the downlink frequency are different, the slave station can only receive the data sent by the master station, and the slave station Data cannot be transferred directly between stations.

 

If the master station adopts half-duplex working mode, the uplink frequency and downlink frequency can be the same (called the same frequency for sending and receiving) or different (called different frequency for sending and receiving). When the site receives it, the processors of each site determine by themselves whether the received data needs to be processed. The transceiver and inter-frequency slave station can only receive the data sent by the master station and cannot directly transmit data between the slave stations.

 

If frequency resources are to be saved, the full-duplex transceiving and co-frequency scheme can be selected under the condition that the system has a margin for data timeliness and processing speed. If there is a higher requirement for data timeliness, the master station full-duplex transceiver and inter-frequency scheme can be used.


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