Symbol by symbol variable constellation type and/or mapping...

Details Symbol by symbol variable constellation type and/or mapping... Symbol by symbol variable constellation type and/or mapping...

2007-04-24

2007-04-24

Torres, Joseph D. (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S790000

Reexamination Certificate

active

10338376

ABSTRACT:
Symbol by symbol variable constellation type and/or mapping capable communication device. A communication device is operable to perform processing of a variable constellation signal whose constellation varies on a symbol by symbol basis. This may involve performing encoding of input to generate the variable constellation signal; alternatively or in addition to, this may involve performing decoding of a variable constellation signal as well. In doing so, this approach may involve using a single encoder and/or decoder (depending on the application). In some instances, a single device is operable to encode a first variable constellation signal (for transmission to another device) and to decode a second variable constellation signal (that has been received from another device). In addition, a method of coding (including one or both of encoding and decoding) may also operate of a variable constellation signal whose constellation varies on a symbol by symbol basis.

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Stephen B. Wicker, Error Control Systems for Digital Communication and Storage, Prentice Hall, 1996, pp. 356-391.

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