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Conflict Detection And Recovery Of Industrial LTE Routers

Edit:Shenzhen Libtor Technology Co.,Ltd   Date:Jun 08, 2017

  Conflict detection and recovery of industrial LTE routers

  When an industrial LTE router starts a transmission, the signal does not reach all of the network at the same time. The transmission speed is actually 80% of the speed of light. It is possible that both devices simultaneously detect that the network is idle and begin to transmit. But when the two electrical signals meet on the network, they are no longer available. This situation is called an industrial-level LTE router conflict.

  Ethernet for Industrial 4G wireless routers is tricky when dealing with this situation. Industrial grade 3G routers each device monitors the bus when it transmits signals to see if it has any other signal interference during transmission. This kind of monitoring is called conflict listening. After the conflict is detected, the device stops transmitting. The LTE router may have a network that conflicts every time the device is busy trying to transfer data.

  To avoid this, Ethernet uses a 2-factor fallback strategy. The sender waits for a random time after the first conflict, and if the second or conflict, wait time is 1 time times longer. The third time is 1 time times longer. With this strategy, the LTE router will not conflict with each other even if the second wait time of the two devices is close, but because the waiting time is exponentially several times.


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