EP1521402A3

Method for performing handoff in a wireless network

Abstract

A method of generating a neighborhood graph accessible by an access point through which a station accesses a wireless network, the neighborhood graph comprising a data structure containing information on one or more access points of the wireless network that are fit for handoff of the station thereto from the access point. Access point information for a neighborhood graph is registered in the neighborhood graph.

EP1521402A3, drawing sheet 1 — Sheet 1 of 2

Term

Term ended

Projected expiry passed 10 November 2023, 2.9 years ago.

2 sheets

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Sheet 2

Every citation, both waysCites: the store holds 1 of 2

Citations
Document	Relation	Office	Category	Cited during	Relevant claims
EP1124400A2	Cites	European Patent Office (EPO)	XY	Search report	1-6,8-18,23-30,35,36
GOPAL R ET AL: "Policy based access router selections and context transfers in mobile IP network", CONFERENCE ON NETWORK CONTROL AND ENGINEERING FOR QUALITY OFSERVICE, SECURITY AND MOBILITY, XX, XX, 23 October 2002 (2002-10-23), pages 3 - 14, XP002966424	Non-patent	–	–	Search report	–
PACK S., CHOI Y.: "PRE-AUTHENTICATED FAST HANDOFF IN A PUBLIC WIRELESS LAN BASED ON IEEE 802.1X MODEL", MOBILE AND WIRELESS COMMUNICATIONS, IFIP TC6 WG6.8 WORKING CONFERENCE ON PERSONAL WIRELESS COMMUNICATIONS PWC 2002, 23 October 2002 (2002-10-23) - 25 October 2002 (2002-10-25), Singapore, pages 175 - 182, XP002294124, Retrieved from the Internet <URL:http://web.archive.org/web/20030407125550/http://mmlab.snu.ac.kr/rese arch/publication/docs/pwc2002_shpack.pdf> [retrieved on 20040827]	Non-patent	–	–	Search report	–

50 members in 8 offices

This recordMember, by publication datePriority claim

Priority claims9

Priority claims
Document	Office	Kind	Date
425109P	United States of America	–	2002-11-08
42510902	United States of America	P	2002-11-08
42510902	United States of America	P	2002-11-08
03078527	European Patent Office (EPO)	A	2003-11-10
03078527	European Patent Office (EPO)	A	2003-11-10
03078527	–	–	–
425109P	–	–	–
EP20030078527	–	–	–
US20020425109P	–	–	–

Members50

Family members, oldest first
Document	Office	Kind
EP1418711A2	European Patent Office (EPO)	A2	2004-05-12
KR20040041509A	Republic of Korea	A	2004-05-17
JP2004166277A	Japan	A	2004-06-10
CN1520107A	China	A	2004-08-11
KR20040071113A	Republic of Korea	A	2004-08-11
KR20040072563A	Republic of Korea	A	2004-08-18
KR20040072564A	Republic of Korea	A	2004-08-18
KR100448319B1	Republic of Korea	B1	2004-09-14
KR100448320B1	Republic of Korea	B1	2004-09-14
KR100448321B1	Republic of Korea	B1	2004-09-14
KR100448318B1	Republic of Korea	B1	2004-09-16
EP1521402A2	European Patent Office (EPO)	A2	2005-04-06
EP1521403A2	European Patent Office (EPO)	A2	2005-04-06
US2005083887A1	United States of America	A1	2005-04-21
EP1526683A2	European Patent Office (EPO)	A2	2005-04-27
US2005117524A1	United States of America	A1	2005-06-02
US2005141457A1	United States of America	A1	2005-06-30
US2005143073A1	United States of America	A1	2005-06-30
JP2005204341A	Japan	A	2005-07-28
CN1649436A	China	A	2005-08-03
CN1649437A	China	A	2005-08-03
CN1652630A	China	A	2005-08-10
JP2005245016A	Japan	A	2005-09-08
JP2005245017A	Japan	A	2005-09-08
EP1418711A3	European Patent Office (EPO)	A3	2006-02-08
JP3863140B2	Japan	B2	2006-12-27
JP4046738B2	Japan	B2	2008-02-13
JP2008295087A	Japan	A	2008-12-04
CN100450272C	China	C	2009-01-07
CN100450273C	China	C	2009-01-07
EP1418711B1	European Patent Office (EPO)	B1	2009-02-11
AT422758T	Austria	T	2009-02-15
ATE422758T1	Austria	T1	2009-02-15
CN101394344A	China	A	2009-03-25
DE60326114D1	Germany	D1	2009-03-26
EP1521402A3This record	European Patent Office (EPO)	A3	2009-04-01
EP1521403A3	European Patent Office (EPO)	A3	2009-04-01
EP1526683A3	European Patent Office (EPO)	A3	2009-04-01
ES2319630T3	Spain	T3	2009-05-11
CN1652630B	China	B	2010-06-16
JP4579736B2	Japan	B2	2010-11-10
CN1520107B	China	B	2010-12-08
JP4593334B2	Japan	B2	2010-12-08
JP4665017B2	Japan	B2	2011-04-06
EP1521402B1	European Patent Office (EPO)	B1	2012-06-20
EP1521403B1	European Patent Office (EPO)	B1	2012-07-04
CN101394344B	China	B	2012-08-29
EP1521402B8	European Patent Office (EPO)	B8	2012-10-17
US8838103B2	United States of America	B2	2014-09-16
US8977265B2	United States of America	B2	2015-03-10

44 legal events, as 5 offices reported them to INPADOC

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	Event	Code	Office
2016-11-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2016-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2016-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2016-09-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2016-08-26	Notification of lapseLapsedST	ST	FR
2016-08-03	Lapsed because of non-payment of the annual feeLapsedMM	MM	NL
2016-07-29	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2016-07-27	Gb: european patent ceased through non-payment of renewal feeCeasedGBPC	GBPC	EP
2016-06-01	Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119	R119	DE
2015-03-31	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2015-02-27	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2015-01-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2015-01-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2015-01-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2013-07-25	No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097	R097	DE
2013-05-29	No opposition filedOpposition26N	26N	EP
2013-05-15	Correction of errors in patents and applications (sect. 117/patents act 1977)REQUEST NOT PROCEEDED WITH; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 12 SEPTEMBER 2012 NOT PROCEEDED WITH ON 16 APRIL 2013S117	S117	GB
2013-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2013-04-26	No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE	PLBE	EP
2013-04-26	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA	STAA	EP
2012-10-10	Correction of errors in patents and applications (sect. 117/patents act 1977)REQUEST FILED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 12 SEPTEMBER 2012S117	S117	GB
2012-10-03	Translation files for an european patent granted for nl, confirming art. 52 par. 1 or 6 of the patents act 1995GrantedT3	T3	NL
2012-09-26	Party data changed (patent owner data changed or rights of a patent transferred)RAP2	RAP2	EP
2012-09-26	Party data changed (patent owner data changed or rights of a patent transferred)RAP2	RAP2	EP
2012-08-16	Dpma publication of mentioned ep patent grantGrantedR096	R096	DE
2012-06-20	Divisional application: reference to earlier applicationAC	AC	EP
2012-06-20	Designated contracting statesAK	AK	EP
2012-06-20	European patent grantedGrantedFG4D	FG4D	GB
2012-05-18	(expected) grantORIGINAL CODE: 0009210GRAA	GRAA	EP
2012-05-14	Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS	GRAS	EP
2011-12-09	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP	GRAP	EP
2010-04-28	First examination report despatched17Q	17Q	EP
2009-12-09	Designation fees paidAKX	AKX	EP
2009-11-04	Request for examination filed17P	17P	EP
2009-04-01	Designated contracting statesAK	AK	EP
2009-04-01	Request for extension of the european patentAX	AX	EP
2009-04-01	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2009-04-01	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2009-04-01	Information provided on ipc code assigned before grantRIC1	RIC1	EP
2009-02-27	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL	EP
2005-04-06	Divisional application: reference to earlier applicationAC	AC	EP
2005-04-06	Designated contracting statesAK	AK	EP
2005-04-06	Request for extension of the european patentAX	AX	EP
2005-02-18	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI	EP

Method for performing handoff in a wireless network

Abstract

Term

Priority claims9

Members50

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Titles3

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