The Capacity of Finite Abelian Group Codes Over Symmetric Memoryless Channels

  title={The Capacity of Finite Abelian Group Codes Over Symmetric Memoryless Channels},
  author={Giacomo Como and Fabio Fagnani},
  journal={IEEE Transactions on Information Theory},
The capacity of finite Abelian group codes over symmetric memoryless channels is determined. For certain important examples, such as m -PSK constellations over additive white Gaussian noise (AWGN) channels, with m a prime power, it is shown that this capacity coincides with the Shannon capacity; i.e., there is no loss in capacity using group codes. (This had previously been known for binary-linear codes used over binary-input output-symmetric memoryless channels.) On the other hand, a… CONTINUE READING
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