is a tactical mesh-network for messaging and telemetry data using LoRa transceiver modules. There is no hierarchy in a mesh network topology, every node can relay a packet and cooperate with other nodes to efficiently route a packet to the gateways. Mesh networks dynamically connect end-nodes together and self-configure the routing paths.
The Meshcom network is self-configured using flooding algorithms. In flood-based networking a node broadcasts a beacon message. The neighbouring nodes receive the message and relay it with a reception history. When the flooding process ends, most of the end-nodes would have received the beacon message several times either directly from a gateway or through other end-nodes. Thereafter, a mesh table is availaable in each end-node and in the gateways based on the reception history and received signal strength indication (RSSI) of the beacon message.
Following are the characteristics of the MeshCom network:
- There is no need for cell-planning with the gateways, and the end-nodes can be deployed in a relatively simple and flexible manner.
- The routing paths are established automatically among the end-nodes. If there is a failure in the existing routing path, re-routing is done in the network, and new paths are reconfigured.
- The network is optimized for low-rate communication at sub-GHz bands.
- N:1 and 1:N bidirectional communications are possible.
- The network is suitable for messaging, telentric data and ad-hoc communication
- Bluetooth PIN set permanent to "000000" for MeshCom firmware, simplify operation for Radio Amateurs, no option to switch between 'licensed and non-licensed'.
filename: nimble/BluetoothUtil.cpp, line 242
filename: src/DebugConfiguration.h, line 61 - HOP_Limit for sending reliable messages increased to 5, allowing messages to be relayed 5 times by nodes in the mesh network.
filename: mesh/MeshTypes.h, line 37 - MeshCom logo and OEVSV link added to source
filename: src/graphics/img/icon-meshcom.xbm
rename icon.xbm --> icon-meshtastic
filename: src/graphics/Screen.cpp, line 126 - Disable both sleep modi (light sleep, deep sleep), to keep devices permanently on without using the swtich 'always_on' to avoid hyperactivity of node
filename: src/sleep.cpp - Wifi Refresh reduced to 5sec
filename: mesh/http/WifiAPClient.cpp, line 93 - Reconnect to MeshCom server after reboot
filename: src/mqtt/MQTT.cpp - ShortName = Suffix of Austrian Radio Amateur callsign, character 4-6, defaults to 'HAM' if callsign is shorter
filename: scr/plugins/AdminPlugin.cpp, line 141-152, line 19 - Presettings for Meshcom:
PSK Encryption NONE
Channel: Very Long Range Very Slow (BW125kHz)
Region: EU433
filename: src/mesh/channles.cpp, line 94
filename: src/configuration.h\ - Meshpacket size increase to 256
filename: scr/mqtt/MQTT.cpp, line 189 - NTP source changed to MeshCom infrastructure
filename: src/mesh/http/WiFiClient.cpp, line 26-27 - GPS position broadcast period increased to 15min for standard mode (no change to smart mode)
filename: src/plugins\PositionPlugin.cpp, line 132-144 - QO-100 test link: borrow lorawan region setting "TW" for QRG 441.500 MHz to use qith TX Patrol (setting band start to 441.100 MHz for region TW --> default channel 2 = 441.500 MHz)
filename: src/mesh/RadioInterface.cpp, line 26-27 - Mofification of position info parameters, send till channel utilization 100% filename: src/plugins/PostionPlugin.cpp, line 139-176\