Patent ID: 9019895
Filing Date: 2015-04-28
Classification: H04W,Y02D

Abstract:
1. A method of operating a gateway device, the method comprising: controlling a first subset of access points, in a plurality of access points, which obtain power from a common power source, to monitor for a signal from a wireless terminal during a first period of time during which at least some access points in said plurality of access points do not monitor for wireless terminal signals, said first subset of access points including one or more access points, said first subset of access points including a first access point; receiving a signal from said first access point indicating detection of a signal from a wireless terminal; controlling, in response to receiving said signal indicating detection of a wireless terminal, at least a second access point in said plurality of access points to switch from a non-monitoring mode of operation to a monitoring mode of operation; and controlling at least the second access point to monitor for wireless terminal signals during a second period of time while said first access point does not monitor for wireless terminal signals.