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CC1352P: Sensor cannot able to receive sometimes messages from collector even sensor is sending data.

Part Number: CC1352P

Hi All,

I am using CC1352P as collector with transmit power 12 dBm and CC1352R as Sensor with transmit power 12 dBm.

The following are the details I used in Collector and Sensor

1 Non-beacon mode 

2. SDK3.3

3. 50 Kbps speed 

4. 863Mhz.

I have paired 5 sensors to the collector and the communication between the sensor and collector is working fine for 2 days. The collector is sending data packets to two sensors continuously for every 2 minutes and both the sensors are receiving and in collector I am getting success in DataCnf Call Back.

1. Suddenly, the collector couldn't able to send data to one of the sensors. But in collector dataCnf call back, it is showing as a success for both sensors(I had kept debugging messages so I confirmed this). The data is not received by the sensor.

2. I had restarted the sensor and also checked the sensor, it is still sending data to the collector seamlessly, but collector messages are not received by the sensor. 

3. Then I have disassociated in sensor side by the switch and paired again then the data has communicated both sides.

Can I get to know what could be the reason for the above behaviour? why data could not be received by sensor? (Does this sensor poll during this time to receive collector data)