In a wireless communication system, a method and apparatus of communicating between at least one base station and a core network is claimed. Wheels are attached to the U-shaped frame. The concentrate comprises a solventcarrier comprising water, a resinbinder, filler material, a first anti-corrosion material, and a second anti-corrosion material. A packet is selected for discarding depending on at least the length of time the packet has been stored in the queue.