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arXiv 0906.4643cs.ITmath.IT
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带边信息的Poisson信道

The Poisson Channel with Side Information

Shraga Bross, Amos Lapidoth, Ligong Wang

摘要:

研究了具有寄生计数的连续时间、峰值受限、无限带宽泊松信道。它示出,如果杂散计数发生的时间是已知的非因果关系的发射机,但不接收器,那么容量等于没有杂散计数的泊松信道。知道在发射机处仅偶然地出现伪计数的时间并不增加容量。

英文摘要:

The continuous-time, peak-limited, infinite-bandwidth Poisson channel with spurious counts is considered. It is shown that if the times at which the spurious counts occur are known noncausally to the transmitter but not to the receiver, then the capacity is equal to that of the Poisson channel with no spurious counts. Knowing the times at which the spurious counts occur only causally at the transmitter does not increase capacity.

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