Patent ID: 9661615
Date: 2017-05-23
CPC Classifications: H04B,H04W

Claim:
1. A method for creating a narrowband trunked network via a wideband network, the method comprising: selecting, from a plurality of narrowband mobile stations also forming an ad-hoc network according to a wide band protocol, a control unit, wherein the control unit is configured to control and manage a narrowband trunking operation via the ad-hoc network; and receiving, by the control unit, a call request over a narrowband control channel from a first mobile station of the plurality of mobile station, assigning at least one narrowband traffic channel from a plurality of available narrowband traffic channels for a call associated with the call request, choosing two mobile stations from the plurality of narrowband mobile stations to act as a repeater for the call, the two mobile stations including a respective receiver mobile station and a respective transmitter mobile station; informing the receiver mobile station and the transmitter mobile station of the assignment to act as the repeater for the call and of the at least one assigned traffic channel for the call, and granting the call request over the narrowband control channel including indicating the at least one assigned traffic channel on which the respective receiver mobile station and the respective transmitter mobile station can be located for the call; wherein the control unit periodically broadcasts ongoing call information and system information on the narrowband control channel and the plurality of narrowband mobile stations monitor the narrowband control channel to determine when to transmit information on one of the plurality of narrowband traffic channels.