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On Multiple Access Channels with Delayed CSI at Transmitters,

Abstract : We consider a two-user state-dependent multiaccess channel in which the states of the channel are known only strictly causally at both encoders, but not at the decoder. Both encoders transmit a common message and, one of the encoders also transmits an individual message. We study the capacity region of this communication model. We establish inner and outer bounds on the capacity region. The outer bound is non-trivial, and has a relatively simple form. Furthermore, we show that the inner and outer bounds coincide in some special case; and, so, we characterize the capacity region fully in these cases. The results shed more light on the utility of delayed channel state information for increasing the capacity region of multiaccess channels; and tie with some recent progress in this framework.
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https://hal.archives-ouvertes.fr/hal-00832497
Contributor : Abdellatif Zaidi <>
Submitted on : Monday, June 10, 2013 - 5:59:12 PM
Last modification on : Wednesday, February 26, 2020 - 7:06:06 PM

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  • HAL Id : hal-00832497, version 1

Citation

Abdellatif Zaidi, Shamai Shlomo. On Multiple Access Channels with Delayed CSI at Transmitters,. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Jun 2013, Darmstadt, Germany. ⟨hal-00832497⟩

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