A wireless communication device and a method to establish a protected time for communication over a direct link between two stations of the same network. The interior tubing has an extruded tube and a surrounding layer. To achieve this, a value prefix coding scheme is presented, wherein value prefixes are stored in the dictionary to get good compression from small dictionaries. The resource manager receives a request to store data of a target size at a target location corresponding to a first portion of the entry tree and scans the entry tree to determine if contiguous, free storage entities of the target size are available at the target location. At least one of the conductive layers serves as a power plane for the power core, which in turn is usable within a circuitized substrate, also provided.