A High-Speed Channel Assignment Algorithm for Dense IEEE 802.11 Systems via Coherent Ising Machine

This letter reports on an ultra-fast and accurate channel assignment approach using a coherent Ising machine (CIM) for dense wireless LAN (WLAN) systems. CIM is a laser-based high-speed hardware approach for solving Ising problems using optoelectronic features. We formulate the total-throughput maxi...

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Bibliographic Details
Published in:IEEE wireless communications letters 2021-08, Vol.10 (8), p.1682-1686
Main Authors: Kurasawa, Komei, Hashimoto, Kota, Li, Aohan, Sato, Koya, Inaba, Kensuke, Takesue, Hiroki, Aihara, Kazuyuki, Hasegawa, Mikio
Format: Article
Language:English
Subjects:
Algorithms
Channel allocation
Channel assignment
coherent Ising machine
Combinatorial analysis
combinatorial optimization
High speed
Ising model
Ising problem
Laser applications
Local area networks
Neurons
Optimization
Optoelectronics
Payloads
Throughput
Wireless communication
Wireless LAN
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Summary:This letter reports on an ultra-fast and accurate channel assignment approach using a coherent Ising machine (CIM) for dense wireless LAN (WLAN) systems. CIM is a laser-based high-speed hardware approach for solving Ising problems using optoelectronic features. We formulate the total-throughput maximization problem for large-scale centralized WLAN systems as a combinatorial optimization problem. Subsequently, the problem is converted into an Ising problem to be optimized via a CIM. Simulation results reveal that the CIM can improve the total throughput performance and give results in a very short time (millisecond order).
ISSN:2162-2337
2162-2345
DOI:10.1109/LWC.2021.3077311