Institute for Theoretical Information Technology

On the Capacity of Relaying With Finite Blocklength

Authors

Y. Hu, A. Schmeink, J. Gross,

Abstract

        In this paper, relaying performance is studied under the finite-blocklength regime. The overall error probability of relaying is derived. Moreover, we investigate the blocklength-limited capacity (BL-capacity) of relaying. We prove that the BL-capacity of relaying is quasiconcave in the overall error probability. Therefore, the BL-capacity has a global maximum value, which can be achieved by choosing an appropriate error probability. Through numerical investigations, we validate our analytical model and compare the performance of relaying under the finite-blocklength regime versus the Shannon capacity regime.

BibT_EX Reference Entry 

@article{HuScGr16,
	author = {Yulin Hu and Anke Schmeink and James Gross},
	title = "On the Capacity of Relaying With Finite Blocklength",
	pages = "1790-1794",
	journal = "{IEEE} Transactions on Vehicular Technology",
	volume = "65",
	number = "3",
	doi = 10.1109/TVT.2015.2406952,
	month = Mar,
	year = 2016,
	hsb = RWTH-2016-03555,
	}

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