Systems and methods for communicating using ASK or QAM with constellation points having different distances

Systems and methods of performing ASK or QAM modulation with uneven distance between symbols are provided (d i ,µ i d i ,d q ,µ q d q ). These are used to provide differing BER performances among bits sent from a transmitter to a receiver.

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Bibliographic Details
Main Authors CARPENTER, PAUL, XIN, YAN, QU, SHOUXING, DWYER, JOHANNA LISA
Format Patent
LanguageEnglish
French
German
Published 17.02.2010
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:Systems and methods of performing ASK or QAM modulation with uneven distance between symbols are provided (d i ,µ i d i ,d q ,µ q d q ). These are used to provide differing BER performances among bits sent from a transmitter to a receiver.
Bibliography:Application Number: EP20080162484