Abstract: There may be provided a method for validating a monitoring system, the method may include sensing, by at least one sensing element of the monitoring system, a physical parameter; sending sensed information that is related to the physical parameter to a remote computerized system of the monitoring system; applying, by the remote computerized system, a process on the sensed information to provide a response to the sensed information; generating validation information by a generator of the monitoring system; sending the validation information to the remote computerized system; applying, by the remote computerized system, the process on the validation information to provide a response to the validation information; and determining, by a validator of the monitoring system, a validity of the monitoring system based on the response to the validation result.

Abstract: Various embodiments of systems and methods for communication in brush fire networks, particularly for the management of inventory of physical items during the time such items are in transport from one location to another. Various embodiments include systems and methods for roll call of the physical items, and for identification and management of events occurring to the physical items. Various embodiments include a loader operating with the brush fire network, in which the loader can identify the numbers or other identifications of physical items, and in which the loader has one or more modules for communicating with both the brush fire network and an information network. Alternative embodiments present systems and methods for managing the inventory of physical items located at fixed locations.

Abstract: According to an embodiment of the invention there is provided a wireless network that may include a wireless network leader and multiple wireless units; wherein each wireless unit has a single father wireless unit, wherein the father wireless unit is selected out of the wireless network leader and the multiple wireless units; wherein each wireless unit may be arranged to be configured according to a wireless unit configuration selected out of: (a) an unauthorized and empty wireless unit, (b) an authorized and full wireless unit, (c) an authorized and not full wireless unit, and (d) an unauthorized and not empty wireless unit; wherein each wireless unit may be arranged to transmit messages only to a father of the wireless unit or to a son of the wireless unit.

Abstract: A method and a wireless unit. The wireless unit may include a network finding component, adapted to find another wireless unit that belongs to a wireless network that is characterized by a low average number of transmissions per hour, a transmission scheme manager, configured to manage the transmission of the wireless unit when it is connected to the wireless network; and a transmitter, configured to: transmit according to a high transmission scheme that comprises transmission, at a large number of transmissions per hour; and transmit according to a low transmission scheme that comprises transmission, at a small number of transmissions per hour, signals used for communication within the wireless network.