My LoRaWAN Signal Mapping MSc summer project. This is a copy of the actual repository with personal information removed.
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LoRaWAN-Signal-Mapping/server/db_template.sql

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-- See for data provided by TTN https://www.thethingsnetwork.org/docs/applications/mqtt/api.html
CREATE TABLE readings IF NOT EXISTS (
id INTEGER PRIMARY KEY, -- Random unique integer
lat FLOAT NOT NULL, -- Latitude component of GPS co-ordinates of reading
long FLOAT NOT NULL, -- Longitude component of GPS co-ordinates of reading,
data_rate TEXT NOT NULL, -- The id of the data rate code in the data_rates table that describes the data rate at which the message was transmitted
code_rate TEXT, -- The coding rate at which the message was transmitted. FUTURE: This may need to be an INTEGER field - not sure
bit_rate INTEGER, -- The bit rate at which the message was transmitted
);
CREATE TABLE rssis IF NOT EXISTS (
id INTEGER PRIMARY KEY, -- Random unique int
reading_id INTEGER, -- The id of the object in the readings table that this rssi measurement belongs to
gateway_id INTEGER, -- Gateway id that the RSSI was from
rssi FLOAT, -- The RSSI value itself
snr FLOAT, -- The signal-to-noise ratio
channel INTEGER -- The channel that the RSSI was received over. We might be able to use this to detect single-channel gateways
);
CREATE TABLE gateways IF NOT EXISTS (
id TEXT PRIMARY KEY, -- The gateway's name
lat FLOAT, -- Latitude component of the claimed GPS co-ordinates of the gateway
long FLOAT, -- Longitude component of the claimed GPS co-ordinates of the gateway
altitude FLOAT -- Claimed alitude of the gateway
);
-- UPDATE 1 --
--------------
-- UPDATE 2 --
--------------
-- ....