[RF] hackrf 相關問題

昨天要 demo 的時候突然又不會動，只好把之前查的文章紀錄一下吧

https://github.com/rpp0/gr-lora/issues/42
https://wiki.gnuradio.org/index.php/Guided_Tutorial_GNU_Radio_in_Python
https://github.com/rpp0/gr-lora
https://github.com/rpp0/gr-lora/wiki/Capturing-LoRa-signals-using-an-RTL-SDR-device
https://www.tiny-dev.com/decoding-lora-with-hackrf-gnuradio/
https://www.thethingsnetwork.org/forum/t/how-to-build-your-first-ttn-node-arduino-rn2483/1574

https://www.youtube.com/watch?v=UAHQRHQD75U
https://www.youtube.com/watch?v=Y7PAkBiNYqM

CSS
https://home.zhaw.ch/~rumc/wcom2/unterlagen/wcom2chap3CSS.pdf



名詞解釋
https://blog.stackprogramer.xyz/en/bb-gain-vs-if-gain-vs-rf-gain/
https://revspace.nl/DecodingLora
https://docs.exploratory.engineering/lora/dr_sf/


AES 加解密
https://stackoverflow.com/questions/12524994/encrypt-decrypt-using-pycrypto-aes-256

LoRaWAN
https://ubidots.com/blog/explaining-lorawan/

TTN 問題
https://www.thethingsnetwork.org/forum/t/limitations-data-rate-packet-size-30-seconds-uplink-and-10-messages-downlink-per-day-fair-access-policy/1300


天線
http://www.cypress.com/file/136236/download