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PreprintCC BY 4.0arXiv

Empirical coordination in the finite blocklength regime: an achievability result---Extended version

  • Olivier Massicot
  • Giulia Cervia
  • Maël Le Treust
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Abstract

Empirical coordination offers a way to understand how agents can coordinate actions under communication constraints. This paper investigates the finite blocklength regime of this problem, where the encoder and decoder aim to produce a sequence of action pairs that is jointly typical with respect to a target distribution. Adopting Shannon's random coding argument and leveraging the method of types, we analyze the average performance of a random codebook to establish an achievability result. The resulting bound on the optimal rate is presented both in exact form and as an asymptotic expansion, aligning with the prevailing characterizations in the finite blocklength literature. This work extends finite blocklength analysis to the empirical coordination setting, complementing existing results on strong coordination.

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Cite

BibTeXRIS
BibTeX
@misc{massicot2026empirical,
  title = {{Empirical coordination in the finite blocklength regime: an achievability result---Extended version}},
  author = {Olivier Massicot and Giulia Cervia and Maël Le Treust},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2605.11810},
  eprint = {2605.11810},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.11810},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Empirical coordination in the finite blocklength regime: an achievability result---Extended version
AU  - Olivier Massicot
AU  - Giulia Cervia
AU  - Maël Le Treust
PY  - 2026
DA  - 2026/10/06
PB  - arXiv
DO  - 10.48550/arxiv.2605.11810
UR  - https://arxiv.org/abs/2605.11810
AB  - Empirical coordination offers a way to understand how agents can coordinate actions under communication constraints. This paper investigates the finite blocklength regime of this problem, where the encoder and decoder aim to produce a sequence of action pairs that is jointly typical with respect to a target distribution. Adopting Shannon's random coding argument and leveraging the method of types, we analyze the average performance of a random codebook to establish an achievability result. The resulting bound on the optimal rate is presented both in exact form and as an asymptotic expansion, aligning with the prevailing characterizations in the finite blocklength literature. This work extends finite blocklength analysis to the empirical coordination setting, complementing existing results on strong coordination.
ER  -