Cellular Network Infrastructure

h1. Accelerate3g5 -- unrznbl

h2. Participants

Just one: <unrznbl@unreasonablefarm.org>.

I camp on freenode IRC #osmocom so feel free to get on there and ask a question. Might take a day or two for someone to reply but if you stay on they usually will answer.

h2. Goals

* Help with documentation, testing, troubleshooting via email/irc.

* Research and develop 3G baseband on mediatek chips

* Test postmarketos/ofono on Moto E and LG Nexus 5

* Play around with qualcomm quectel modules

h2. Details

* debian linux

* EC20 modules

* iPhone 4

* various other 3G+ phones to test with

* ZTE Obsidian phone - MT6735 - GSM, UMTS, GPRS, HSPA+, HSUPA, TD-SCDMA, EVDO, LTE Cat 4 (based on https://en.wikipedia.org/wiki/MediaTek)

h2. Journal

* 04/19/2017 - built all required projects with a few warnings and details

* TODO - take build notes and suggest changes in docs, fix warnings in builds?

* 10/31/2018 - rebuilt all NITB sources, configured DHCP, NTPD, got ip.access nano3g connected to nitb laptop and able to register phones on network. sms/calls don't work yet. Phones get kicked off periodically.

* TODO - finish setting up and run the network

* TODO - test voice, text, data

* TODO - leverage fernly mediatek bootloader and various mediatek baseband sources to create 3G baseband, osmocom-bb?

* TODO - setup EC20 modules and test

h2. Code

https://github.com/unrznbl/osmocom-bb/tree/mtk-layer1 (can boot a simple firmware that only spits out a bit of data on the USB serial port on fernvale)