Communicating using ask or qam with uneven symbol constellation

Details Communicating using ask or qam with uneven symbol constellation Communicating using ask or qam with uneven symbol constellation

H - Electricity

04

L

H04L 27/04 (2006.01) H04L 27/06 (2006.01)

Patent

CA 2734064

Systems and methods of performing ASK or QAM modulation with uneven distance between symbols are provided. Different bit positions mapped to such symbols are assigned to different receivers, with the result that there are different BER performances among bits sent from a transmitter to the different receivers.

L'invention porte sur des systèmes et des procédés de réalisation d'une modulation ASK ou QAM avec une distance irrégulière entre symboles. Différentes positions de bit mappées à de tels symboles sont attribuées à différents récepteurs; par conséquent, il existe différentes performances BER parmi les bits envoyés d'un émetteur aux différents récepteurs.

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