{"id":"https://openalex.org/keywords/physical-layer-security","display_name":"physical layer security","description":"Communication security methods that exploit physical properties of wireless channels to protect transmissions against eavesdropping and other attacks.","display_name_alternatives":["PHY layer security","PLS"],"ids":{"openalex":"https://openalex.org/keywords/physical-layer-security","wikidata":null},"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","score":0.6899,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","score":0.6899,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":20761,"cited_by_count":301230,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/physical-layer-security","updated_date":"2026-10-22T04:07:25","created_date":"2026-09-30T00:00:00"}
