Abstract: A reconfigurable base station suitable for supporting multiple wireless communication system standards includes a set of channel unit boards, each providing processing operations for user signals assigned to multiple carriers of the system, a set of a radio boards, each generating a radio frequency (RF) output signal for each of at least a subset of the multiple carriers, and a reconfigurable bus interconnecting the channel unit boards and radio boards. The base stations configured to support a particular wireless system standard, such as IS-95 CDMA, by assigning particular user signals to designated signal lines of the reconfigurable bus. The base station may then be reconfigured to support other CDMA standards, such as, e.g., IS-95C with or without Orthogonal to Transmit Diversity (QTD), Multi-Carrier (MC) cdma2009, or Universal Mobile Telecommunications System, (UMTS) by assigning. other user signals to the signal lines of the reconfigurable bus.

Abstract: A modular apparatus is described which houses electronic equipment. The apparatus includes a plurality of electronic modules surrounded by an air vent system. In one embodiment, the air vent system cools the electronic components indirectly, through a connection module. In another embodiment the electronic components are cooled directly. One of the main advantages of the present invention is its modular configuration which allows additional components to be added with relative ease as the requirements of the system are expanded over time.