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  3. Coded Caching Scheme For Multiaccess Cache-assisted Partially Connected Linear Network Via Multi-antenna Placement Delivery Array.
  1. Home
  3. Coded Caching Scheme For Multiaccess Cache-assisted Partially Connected Linear Network Via Multi-antenna Placement Delivery Array.

Related Experiment Videos

Coded Caching Scheme for Multiaccess Cache-Assisted Partially Connected Linear Network via Multi-Antenna Placement

Yifei Huang1,2, Siying Luo1,3, Bowen Zheng1,3

  • 1The Key Lab of Education Blockchain and Intelligent Technology, Ministry of Education, Guangxi Normal University, Guilin 541004, China.

Entropy (Basel, Switzerland)
|June 26, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

This study introduces a new network model for improved data delivery. The proposed scheme enhances performance in multiaccess cache-assisted networks, reducing delivery time and subpacketization levels.

Keywords:
MAPDAcoded cachingnormalized delivery timepartially connected networks

Related Experiment Videos

Area of Science:

  • Computer Science
  • Information Theory
  • Telecommunications

Background:

  • Traditional partially connected linear networks face limitations in user access to cache nodes.
  • Existing schemes often assume limited user access, impacting data retrieval efficiency.
  • Practical scenarios involve users accessing multiple cache nodes, necessitating advanced network models.

Purpose of the Study:

  • To propose a novel (K,L,r,MT,MC,N) multiaccess cache-assisted partially connected linear network model.
  • To develop a general construction framework for this new network architecture using placement delivery arrays (PDAs).
  • To analyze the performance of the proposed scheme, focusing on normalized delivery time (NDT) and subpacketization levels.

Main Methods:

  • Development of a general construction framework based on placement delivery arrays (PDAs).
  • Analysis of the network performance using the Maddah-Ali and Niesen (MN) scheme.
  • Mathematical modeling and simulation to evaluate normalized delivery time (NDT) and subpacketization levels.

    • Main Results:

    • The proposed scheme achieves a normalized delivery time (NDT) close to existing schemes for large values of 'r' (neighboring cache nodes accessible by users).
    • As the cache size ratio increases, the performance gap between the proposed and traditional schemes diminishes.
    • The new scheme requires a smaller subpacketization level compared to traditional approaches.

    Conclusions:

    • The proposed multiaccess cache-assisted network model offers significant performance improvements in data delivery.
    • The PDA-based construction framework provides an efficient method for designing such networks.
    • The findings suggest a more scalable and efficient approach for future content delivery networks.