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Opportunistic orthogonal writing on dirty paper

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2 Author(s)
Tie Liu ; Dept. of Electr. & Comput. Eng., Univ. of Illinois, Urbana, IL, USA ; Viswanath, P.

A simple scheme that achieves the capacity and the reliability function of the wideband Costa dirty-paper channel is proposed. The scheme can be interpreted as an opportunistic version of pulse position modulation (PPM). This interpretation suggests a natural generalization of the scheme which we show to achieve the capacity per unit cost of Gel'fand-Pinsker channels with a zero-cost input letter.

Published in:

Information Theory, IEEE Transactions on  (Volume:52 ,  Issue: 5 )