METHOD AND SYSTEM FOR HANDLING A DYNAMIC HOST CONFIGURATION PROTOCOL INTERNET PROTOCOL VERSION 4 ADDRESS RELEASE

Abstract

A method and a Packet data network GateWay (PGW) for releasing an Internet Protocol (IP) address in a mobile network are provided. The method includes allocating an Internet Protocol version 4 (IPv4) address and an Internet Protocol version 6 (IPv6) address to a User Equipment (UE) to activate a Packet Data Network (PDN) connection between the UE and the PGW; and if the UE releases the IPv4 address transmitting to a Serving GateWay (SGW) a Binding Revocation message including an indication to release only the IPv4 address from the PDN connection to SGW.

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Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Information	Explicitly Disclosed	Patent Type
4G,3G	15/09/2009	ISLD-200909-011	SAMSUNG	S1 TS Number: TS 123 402 Version No: ---- Illustrative part: 4.7.1 Release: ---- + -	No	Family Member
4G,3G	21/01/2015	ISLD-201501-011	SAMSUNG	S1 TS Number: TS 123 402 Version No: ---- Illustrative part: ---- Release: ---- + -	No	Family Member
4G,3G	04/05/2015	ISLD-201505-002	SAMSUNG	S1 TS Number: TS 123 402 Version No: ---- Illustrative part: ---- Release: ---- + -	No	Family Member
5G	11/05/2018	ISLD-201805-016	SAMSUNG	S1 TS Number: TS 123 501 Version No: ---- Illustrative part: ---- Release: ---- + -	No	Family Member
4G	23/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 123 401 Version No: ---- Illustrative part: ---- Release: ---- + -	Yes	Basis Patent
4G,3G	23/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 123 402 v16.0.0 Version No: v16.0.0 Illustrative part: ---- Release: 16 + -	Yes	Basis Patent
5G	23/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 123 501 v15.6.0 Version No: v15.6.0 Illustrative part: ---- Release: 15 S2 TS Number: TS 123 502 v15.6.0 Version No: v15.6.0 Illustrative part: ---- Release: 15 +1 -1	Yes	Basis Patent

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Technologies

2G 3G 4G 5G

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SEP Database Augmented SEP Database

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Publication No	Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Information	Explicitly Disclosed	Patent Type
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Publication No	Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
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Mobility and handover

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US2012284425A1

5G,4G,3G

Title

METHOD AND SYSTEM FOR HANDLING A DYNAMIC HOST CONFIGURATION PROTOCOL INTERNET PROTOCOL VERSION 4 ADDRESS RELEASE

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