Various systems and method for heating an engine in a vehicle during a cold start are described. An inventory record may include an inventory record index representing a physical property of an associated room, and an inventory record attribute representing a modifiable attribute of the associated room. According to the technical solutions of the present invention, a problem of reporting CSI in an AAS base station scenario is resolved, and precision of CSI reporting is improved. In one embodiment, an optical switch is disposed in the optical path to redirect the laser beam in a time sequence manner from the optical path to selected optical channels of the plurality. The laminate strips are glued to the planar non-woven fabric layer on their film side, and the non-woven fabric that is connected with the planar non-woven fabric layer between the laminate strips is in the form of non-woven fabric strips that run parallel to the laminate strips.