Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent
1995-06-15
1997-04-22
Hsu, Alpus H.
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
370338, 379 60, H04L 1256, H04L 1266, H04B 726
Patent
active
056234953
ABSTRACT:
The present invention is a portable base station (PBS) switching device for use in a wireless ATM local area network (LAN). The PBS includes a plurality of high speed interfaces which operate, for example, in the Gb/s range and which are adapted to couple to other PBS s in the network. The high speed interfaces are coupled to an ATM switching fabric adapted to selectively route incoming ATM cells to an appropriate output port in said PBS without any VPI (virtual path identifier) translation at transit PBSs. The PBS includes wireless interface and processor unit for coupling to mobile users which may include laptop and notebook computers. Memory is included within the processor unit for selectively storing ATM cells according to their VPI. In one preferred embodiment of the PBS a passive optical unit is used to transmit and receive data between PBSs. The passive optical unit may include a laser transmitter and optical receiver.
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Eng Kai Y.
Karol Mark J.
Woodworth Clark
Hsu Alpus H.
Lucent Technologies - Inc.
Rao Seema S.
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