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Closed-Form Capacity Bounds for the Exponential Version of the Dirty Paper Channel | IEEE Journals & Magazine | IEEE Xplore

Closed-Form Capacity Bounds for the Exponential Version of the Dirty Paper Channel


Abstract:

This letter presents closed-form capacity bounds for an exponential version of the dirty paper channel (EDPC). The EDPC can be used to model the non-coherent Gaussian dir...Show More

Abstract:

This letter presents closed-form capacity bounds for an exponential version of the dirty paper channel (EDPC). The EDPC can be used to model the non-coherent Gaussian dirty paper channel (GDPC). First, a superposition modulation-like technique is used to obtain a capacity upper bound for the EDPC. Then, a closed-form capacity lower bound for the EDPC is obtained by using a Costa-like strategy. Using this lower bound and exploiting the asymptotic properties of high signal to noise ratios (SNRs), we obtain the high-SNR capacity of the EDPC which is intriguingly analogous to the complex-valued GDPC. Finally, a closed-form capacity lower bound for the EDPC is given which is useful in the weak interference regime.
Published in: IEEE Wireless Communications Letters ( Volume: 9, Issue: 7, July 2020)
Page(s): 1080 - 1083
Date of Publication: 16 March 2020

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