Patent ID: 11949551
Assignee: CABLE TELEVISION LABORATORIES, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 17:
18. Ad-hoc wireless network method for failure reporting and emergency communication of a conventional non-ad-hoc network, comprising:
controlling a wireless access point to implement access to the conventional non-ad-hoc network over a wireless channel using a first number of subcarriers of the wireless channel;
controlling the wireless access point to transmit the failure reporting and the emergency communication over an ad-hoc wireless network using a second number of subcarriers of an emergency channel, wherein the second number is less than the first number; and
controlling, for the ad-hoc wireless network, the wireless access point to concentrate transmitter power into a smaller group of subcarriers with a first transmission range greater than a second transmission range of the conventional non-ad-hoc network.