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pro vyhledávání: '"Ramachandran, Viswanathan"'
We investigate optical WDM transmission from the standpoint of an information-theoretic interference channel. Achievable rates that outperform treating interference as noise are presented and validated using split-step Fourier method simulations.
Externí odkaz:
http://arxiv.org/abs/2205.12193
It is known that fiber nonlinearities induce crosstalk in a wavelength division multiplexed (WDM) system, which limits the capacity of such systems as the transmitted signal power is increased. A network user in a WDM system is an entity that operate
Externí odkaz:
http://arxiv.org/abs/2110.09405
We study a nonlinear fiber optical channel impaired by cross-phase modulation and dispersion from the viewpoint of an interference channel. We characterize an outer bound on the capacity region of simultaneously achievable rate pairs, assuming a two-
Externí odkaz:
http://arxiv.org/abs/2105.14964
We study the problem of simulating a two-user multiple-access channel (MAC) over a multiple access network of noiseless links. Two encoders observe independent and identically distributed (i.i.d.) copies of a source random variable each, while a deco
Externí odkaz:
http://arxiv.org/abs/2102.12035
A hybrid communication network with a common analog signal and an independent digital data stream as input to each node in a multiple access network is considered. The receiver/base-station has to estimate the analog signal with a given fidelity, and
Externí odkaz:
http://arxiv.org/abs/1811.09973
It is known that the capacity region of a two user physically degraded discrete memoryless (DM) broadcast channel (BC) is not enlarged by feedback. An identical result holds true for a physically degraded Gaussian BC, established later using a varian
Externí odkaz:
http://arxiv.org/abs/1704.05479
Akademický článek
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Autor:
Ramachandran, Viswanathan1 (AUTHOR) visra@kth.se
Publikováno v:
Entropy. Apr2023, Vol. 25 Issue 4, p588. 22p.
Autor:
Ramachandran, Viswanathan
Publikováno v:
In Digital Communications and Networks February 2020 6(1):123-128
Autor:
Ramachandran, Viswanathan
Publikováno v:
In Digital Communications and Networks August 2019 5(3):176-182