Pith Number

pith:TPULURVI

pith:2026:TPULURVIQH7DY3C5EKI7B4ZONP

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ASTRA: Asynchronous Age-Aware Satellite Random Access via Mean-Field Control

Aimin Li, Elif Uysal, Sajjad Baghaee, Sayam Chakraborty, Yigit Ince

Mean-field control yields an age-threshold policy that lowers age of information in asynchronous satellite random access.

arxiv:2605.18282 v1 · 2026-05-18 · cs.NI

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Claims

C1strongest claim

The resulting system admits a mean-field equilibrium in which individual optimality and endogenous congestion are mutually consistent. We further prove that the optimal equilibrium policy admits an age-threshold structure. Numerical results show that the proposed policy reduces AoI relative to age-independent baselines.

C2weakest assumption

The population interaction can be formulated as a scalable mean-field MDP in which devices optimize access timing and intensity using only local AoI observations while the delivery success probability depends on each device's repetition-diversity action (abstract).

C3one line summary

Develops a PHY-aware mean-field MDP for asynchronous satellite IoT random access that admits an age-threshold equilibrium policy reducing AoI relative to baselines.

References

24 extracted · 24 resolved · 0 Pith anchors

[1] ASTRA: Asynchronous age-aware satellite random access via mean-field control, 2026

[2] Direct-to-satellite IoT – a survey of the state of the art and future research perspectives, 2019

[3] Satellite communications in the new space era: A survey and future challenges, 2021

[4] Contention resolu- tion diversity slotted ALOHA (CRDSA): An enhanced random access scheme for satellite access packet networks, 2007

[5] Graph-based analysis and optimization of contention resolution diversity slotted ALOHA, 2011

Receipt and verification

First computed	2026-05-20T00:05:53.296133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9be8ba46a881fe3c6c5d2291f0f32e6bec914602b05e6941aec4e67254f2bbd3

Aliases

arxiv: 2605.18282 · arxiv_version: 2605.18282v1 · doi: 10.48550/arxiv.2605.18282 · pith_short_12: TPULURVIQH7D · pith_short_16: TPULURVIQH7DY3C5 · pith_short_8: TPULURVI

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/TPULURVIQH7DY3C5EKI7B4ZONP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9be8ba46a881fe3c6c5d2291f0f32e6bec914602b05e6941aec4e67254f2bbd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ab2166d6a1c1e52298f95a06044bc4edb24f0121e3426de6cffe7ac08c4bc35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2026-05-18T12:12:27Z",
    "title_canon_sha256": "782a2174593453e441db5050119813a061af98b18c2f2f3656399198e6f32f2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18282",
    "kind": "arxiv",
    "version": 1
  }
}