Patent ID: 8873756
Filing Date: 2014-10-28
Classification: H04B,H04L,H04W

Abstract:
1. A system for transmitting a data signal, comprising: a plurality of network devices, including a first network device and a second network device; a network connecting the plurality of network devices based on at least a first communication carrier, the first communication carrier being a wired communication carrier; a network key generator configured to generate a network key; and a mobile transmitting device, different from the plurality of network devices, configured to transmit the network key to the first network device and the second network device of the plurality of network devices on a second communication carrier, the second communication carrier being a near-field communication carrier, and the near-field transmission of the network key to the first and second network devices being at the same time, wherein the first and second network devices are configured to communicate with each other via the wired communication carrier based on a link encryption key based on the network key.