Patent ID: 6122527
Filing Date: 2000-09-19
Classification: H04W

Abstract:
A mobile data base station (MDBS) configured to transfer cellular digital packet data (CPDP) between at least one mobile end system (M-ES) and a mobile data intermediate service (MD-IS), said MDBS comprising:a controller board operatively connected to said MD-IS via a data link and arranged to receive and convey operating instructions;a transceiver board providing a radio link to said at least one M-ES and arranged to operate based on instructions received from said controller board, said transceiver board being separate and distinct from said controller board;said MDBS is collocated with a mobile phone system station;said controller board and said transceiver board are operatively interconnected through a backplane;at least one power supply board is operatively connected to supply power to said controller board and said transceiver board through said backplane;wherein said power supply board comprises means for detecting power abnormalities throughout said power supply board, said backplane, said controller board and said transceiver board;a chassis, in which said controller board, said transceiver board and said power board are slidably mounted in a vertical position, and including a plurality of distinct mounting positions for said controller board, said transceiver board and said power supply board;wherein said chassis includes distinct mounting positions for a plurality of controller boards, a plurality of transceiver boards and a plurality of power supply boards;a second power supply board, said second power supply board operates in response to said means for detecting power abnormalities to operate in a redundant manner sharing load from said controller board and the transceiver board; andwherein said power supply boards operate in a redundant manner responsive to at least one said controller board.