A METHOD AND APPARATUS FOR NEW KEY DERIVATION UPON HANDOFF IN WIRELESS NETWORKS

Abstract

A new key management approach is provided to secure the communication handoff between an access terminal and two access points. As the access terminal moves from the current access point to the new access point, the access terminal sends a short handoff request to the new access point. This short handoff request may include an access terminal ID; This short handoff request does not include the access point ID. The new access point may then send the identifier and the identifier of the access terminal to the authenticator. Using the previously generated master temporary key, access point identifier and access terminal identifier, the authenticator may generate a master session key. The master session key may then be sent by the authenticator to the access point. The access terminal independently generates the same new security key that allows the access terminal to securely communicate with the new access point.

Master Session Key (MSK), Master Temporary Key (MTK), Communication Session, Handoff, Extensible Authentication Protocol (EAP)

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Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
4G,3G,2G	15/07/2009	ISLD-200907-008	QUALCOMM INC	S1 TS Number: TS 133 401 Version No: Illustrative part: ---- Release: + -	No	Family Member
Not Available	15/07/2009	ISLD-200907-008	QUALCOMM INC	S1 TS Number: TS 133 401 Version No: Illustrative part: ---- Release: + -	No	Family Member
5G	02/04/2019	ISLD-201903-008	QUALCOMM INC	S1 TS Number: TS 133 501 Version No: Illustrative part: ---- Release: S2 TS Number: TS 138 300 Version No: Illustrative part: ---- Release: +1 -1	No	Family Member
5G	31/05/2022	ISLD-202206-002	QUALCOMM INC	S1 TS Number: TS 133 501 Version No: Illustrative part: ---- Release: S2 TS Number: TS 138 300 Version No: Illustrative part: ---- Release: +1 -1	No	Family Member

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2G 3G 4G 5G

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Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
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US10412583B2	5G	02/04/2019	ISLD-201903-008	QUALCOMM INC	S1 TS Number: TS 133 501 Version No: ---- Section No: Release : ---- S2 TS Number: TS 138 300 Version No: ---- Section No: Release : ---- +1 -1	No	Family Member
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Publication No	Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
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Technologies

Mobility and handover

Session Management

Product

Base Station (eNB/gNB)

User Equipment (UE/Terminal)

Use Cases

Wireless communication

Services

Secure Communication

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Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.

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