{"id":"https://openalex.org/keywords/cdma","display_name":"CDMA","description":"A radio communication channel-access method that lets multiple users share frequencies using spread-spectrum signals and distinct codes.","display_name_alternatives":["code division multiple access","CDMA (telecommunication)"],"ids":{"openalex":"https://openalex.org/keywords/cdma","wikidata":"https://www.wikidata.org/wiki/Q233394"},"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.5305,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.5305,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":24171,"cited_by_count":219425,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/cdma","updated_date":"2026-10-22T04:07:25","created_date":"2026-09-30T00:00:00"}