Filtering using communication line identification

Details Filtering using communication line identification Filtering using communication line identification

2006-06-30

2010-06-29

Nguyen, Steven H (Department: 2473)

Multiplex communications

Communication over free space

Using atm as a wireles protocol

C370S395400

Reexamination Certificate

active

07746813

ABSTRACT:
In a method for terminating a plurality of ATM lines for a base station modulator/demodulator in a mobile communication system for data communication between upper stations and a base station by a transmission method wherein ATM cells are mapped utilizing an existing leased line as a physical medium sublayer, when an increase in capacity of the base station necessitates leased line interfaces corresponding to a plurality of upper stations, processing is carried out in such a manner that leased line numbers are added to respective HEC regions of ATM cells sent from each upper station into a leased line interface section, whereby the addition of the function of the leased line interface section involved in an increase in the leased line can be minimized and the additional function can be simply designed utilizing a conventional technique. By virtue of this constitution, a method for receiving a plurality of ATM lines can be realized which can efficiently utilize VCI filters and can distinguish each upper station in a leased line interface section.

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