Combining Low Rate Codes with Multilevel Signaling


In this talk we discuss the application of multilevel signaling techniques to the design of codes with spectral efficiencies between 0.50 and 1 bit/dimension. Conventionally, at spectral efficiencies below 1 bit/dimension, high rate codes with binary (BPSK or QPSK) signaling techniques are employed. However, at rates near 1 bit/dimension, significant coding… (More)


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