Patent ID: 9124446
Filing Date: 2015-09-01
Classification: H04L,H04W

Abstract:
1. A method comprising: allocating, via a processor of a first remote terminal unit, a first time slot of a first frame of a first transmission schedule to the first remote terminal unit, the first remote terminal unit to be in communication with a second remote terminal unit in a network associated with a process control system and to be in communication with a host of the process control system, the first remote terminal unit to communicate first data over the network during the first time slot; allocating, via the processor, a second time slot of the first frame to the second remote terminal unit, the second remote terminal unit to communicate second data over the network during the second time slot; sending a first request over the network for a third remote terminal unit to provide identification data associated with the third remote terminal unit; receiving the identification data from the third remote terminal unit during a time slot of the first transmission schedule randomly selected by the third remote terminal unit; and if the randomly selected time slot is during at least one of the first time slot allocated to the first remote terminal unit or the second time slot allocated to the second remote terminal unit, sending the first request over the network a second time.