Hi everyone, I wanted to share my recent experience optimizing data transfer using the nRF9151 module. While working on a project, I encountered some limitations with the UART packet size and throughput, which were affecting our application’s performance. Here’s what I found and how I addressed it.
Initially, we were transmitting data packets of 1 KB each, but it took around 3 seconds per packet, resulting in a very low throughput. This was too slow for our needs, especially since we needed to transfer hundreds of KB of data. After some research and testing, I discovered that increasing the packet size could significantly improve throughput.
I reached out to our module provider, and they mentioned that the nRF9151 has a strict limitation of 2 KB per packet. While this was a bit disappointing, I decided to explore other optimization techniques. One approach was to implement a more efficient data encoding method, which helped reduce overhead and improve transmission speed.
Another solution I found was to utilize the module’s hardware capabilities more effectively. By configuring the UART settings and optimizing the data flow, we were able to achieve a more balanced performance. Additionally, implementing a retry mechanism for failed transmissions helped ensure data integrity without significantly affecting throughput.
I would love to hear from others who might have faced similar challenges or have suggestions for further optimization. It’s amazing how tweaking configurations and understanding hardware limitations can make such a big difference in performance. Thanks for reading, and I look forward to your insights!