Methods for restricted direct discovery

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11812499
APP PUB NO 20220295255A1
SERIAL NO

17826767

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Techniques may be used for restricted direct discovery in proximity services (ProSe). A ProSe function may receive from a discovery wireless transmit/receive unit (WTRU) a restricted ProSe Application identity (ID) of an application located at the discoverer WTRU requesting ProSe discovery. The ProSe function may derive a first and second ProSe codes for the discoveree WTRU and discoverer WTRU, and provide the ProSe codes to the discoverer and/or discoveree WTRUs. A ProSe application server may receive a revocation message from an announcing WTRU indicating a revoked WTRU. The ProSe application server may provide a ProSe discovery WTRU ID for the revoked WTRU to a ProSe Function. The ProSe function may instruct the announcing WTRU to stop announcing a ProSe code known by the revoked WTRU, and may provide a new ProSe code to at least one WTRU authorized to discover the announcing WTRU.

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Patent Owner(s)

  • INTERDIGITAL PATENT HOLDINGS, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahmad, Saad Montreal, CA 198 4253
Karampatsis, Dimitrios Ruislip, GB 131 1028
Olvera-Hernandez, Ulises Montreal, CA 289 7635
Watfa, Mahmoud Saint Leonard, CA 232 3943

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