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CC2564-PAN1326: How much wireless data loss (or packet loss) between two BT modules?

Part Number: CC2564-PAN1326

Hello, this is Tong.

I developed a Bluetooth transmitter device, and found there was a wireless transmission-missing-error.

The data loss was 3.2%.

Is this normal? Where can I find the related information?

If this is normal, I think I need to add an error-correction code.

Before fix the code, I wanted to know is this normal in wireless transmission.

Please tell me where can I find the related information.

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Settings

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Transmitter : PAN1326B (core: CC2564B) + MSP430F5438a

Receiver : PAN1326B + MSP430F5438a

Profile : SPP

data size in a packet : 200 byte

Transmission data rate : 400 kbps ~ 450kbps

Transmitting technique : direct UART(i.e. HCI) command control

Transmission Buffer size : 800 byte

HCI (UART) baud rate : 921.6 kbps

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= Test result                                                                                              =

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1. Throughput does not decreased more than 10% until 15 m distance between two BT modules.

2. In any places, error is always 3.2%.

Please, tell me any information related to BT error.(such as statistics)