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  1. CPE1 and CPE2 have established links with the BS. In this case, no loop occurs because all radio devices are joined in one MINT area and the devices use a frame redirection table that takes into account the cost parameters.
  2. The vehicle is moving, CPE2 breaks the link with BS1. CPE1 keeps the connection with BS1. The service hasn't been interrupted, because the data exchange between the vehicle and the control center is carried out via the CPE1-BS1 link.
  3. CPE2 is looking for a BS to establish a radio link. CPE1 keeps the connection with BS1.
  4. CPE2 establishes connection with BS2. CPE1 keeps the connection with BS1. When transmitting data, the InfiMUX uses one of the two links CPE1-BS1 or CPE2-BS2, with a lower metric.
  5. The vehicle is moving, CPE1 breaks the link with BS1. CPE2 keeps the connection with BS2. The data transmission is performed via the CPE2-BS2 link and the service hasn't been interrupted.
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FIgure 8 - Roaming with two CPEs on a mobile object

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