Rfh. Fischer et al., Performance of coded modulation employing differential encoding over Rayleigh fading channels, ELECTR LETT, 35(2), 1999, pp. 122-123
Multilevel coding and bit-interleaved coded modulation employing differenti
al encoding and non-coherent reception over flat fading channels are assess
ed. To achieve high bandwidth efliciencies mixed amplitude/phase modulation
is performed. It is shown that multiple symbol detection only provides gai
ns for multilevel coding as Gray labelling of the differential symbols is n
ot possible.