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US 2001/0043646 A1Published application
Point-to-point secure modem and method
AssigneeSmart Link Ltd.
InventorsBENJAMIN MAYTAL, GIL KOIFMAN
Life of this patent
Estimating the term…
Abstract
A modem includes symbol converting unit and processing unit. The symbol converting unit converts between binary data and symbol data in accordance with a first constellation which is a transformed version of a standard constellation and the processing unit process the symbol data for transmission and produce symbol data from received signals. Alternatively, the symbol converting unit has at least two constellations to be selected.
Claims24
A modem comprising:
- symbol converting means for converting between binary data and symbol data in accordance with a first constellation which is a transformed version of a standard constellation;
- and
- processing means for processing said symbol data for transmission and for producing symbol data from received signals.
A modem comprising:
- symbol converting means for converting between binary data and symbol data in accordance with at least two different constellations;
- and
- processing means for processing said symbol data for transmission and for producing symbol data from said received signals.
A communication system comprising:
- a host modem comprising:
- host means for communicating via a constellation;
- and
- host means for selecting one transformed constellation among a plurality of transformed constellations for use by said host means for communicating;
- and
- at least one remote modem, communicating with said host modem, each said remote modem comprising:
- remote means for communicating via a constellation;
- and
- remote means for activating said one transformed constellation for use by said remote means for communicating.
6 more elements
A method of communication comprising the steps of:
- converting between binary data and symbol data in accordance with a first constellation which is a transformed version of a standard constellation;
- and
- processing said symbol data for transmission and for producing symbol data from received signals.
A method of communication comprising the steps of:
- converting between binary data and symbol data in accordance with at least two different constellations;
- and
- processing said symbol data for transmission and for producing symbol data from said received signals.
Dependencies are inferred from the claim text.