A METHOD AND APPARATUS FOR DETECTING CONTENTION AT RANDOM ACCESS PROCEDURE IN A WIRELESS COMMUNICATIONS SYSTEM

Abstract

The present invention relates to a method and apparatus for efficiently detecting contention while reducing signaling overhead in a random access procedure of a mobile communication system. The network node transmits a contention resolution (CR) message only when it receives an initial access message, and does not transmit a CR message when it receives a message that includes a valid C-RNTI of the terminal rather than the initial access message. The terminal starts the timer when the terminal successfully transmits the L2 / L3 message. When the terminal has information such as C-RNTI, scrambling code, control information signaled for the terminal through a downlink control channel is detected during operation of the timer or a unique ID or L2 / L3 message of the terminal When the CR message including the random ID transmitted through is received, the timer is stopped and the procedure is performed. On the other hand, if either of the two is not detected / received and the timer expires, the random access procedure is restarted.

Random access procedure, Contention Resolution (CR), C-RNTI, T-RNTI, Initial access message

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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	29/12/2008	ISLD-200812-015	SAMSUNG	S1 TS Number: TS 136 321 v8.3.0 Version No: v8.3.0 Illustrative part: 5.1.5 Release: 8 + -	Yes	Basis Patent
5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: Illustrative part: ---- Release: + -	No	Family Member
5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Illustrative part: ---- Release: 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Illustrative part: ---- Release: 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Illustrative part: ---- Release: 15 +2 -2	No	Family Member

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Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Number	Explicitly Disclosed	Patent Type
KR20080074639A	4G	29/12/2008	ISLD-200812-015	SAMSUNG	S1 TS Number: TS 136 321 v8.3.0 Version No: v8.3.0 Section No: ---- Release : 8 + -	Yes	Basis Patent
KR20080074639A	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
KR20080074639A	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
AU2008213277A1	4G	29/12/2008	ISLD-200812-015	SAMSUNG	S1 TS Number: TS 136 321 v8.3.0 Version No: v8.3.0 Section No: ---- Release : 8 + -	No	Family Member
AU2008213277A1	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
AU2008213277A1	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
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AU2008213277B2	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
AU2008213277B2	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
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CA2676696A1	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
CA2676696A1	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
CA2676696C	4G	29/12/2008	ISLD-200812-015	SAMSUNG	S1 TS Number: TS 136 321 v8.3.0 Version No: v8.3.0 Section No: ---- Release : 8 + -	No	Family Member
CA2676696C	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
CA2676696C	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
EP2119051A1	4G	29/12/2008	ISLD-200812-015	SAMSUNG	S1 TS Number: TS 136 321 v8.3.0 Version No: v8.3.0 Section No: ---- Release : 8 + -	No	Family Member
EP2119051A1	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
EP2119051A1	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
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EP2119051A4	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
EP2119051A4	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
US2008194243A1	4G	29/12/2008	ISLD-200812-015	SAMSUNG	S1 TS Number: TS 136 321 v8.3.0 Version No: v8.3.0 Section No: ---- Release : 8 + -	Yes	Family Member
US2008194243A1	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	Yes	Basis Patent
US2008194243A1	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	Yes	Basis Patent
US8228827B2	4G	29/12/2008	ISLD-200812-015	SAMSUNG	S1 TS Number: TS 136 321 v8.3.0 Version No: v8.3.0 Section No: ---- Release : 8 + -	Yes	Family Member
US8228827B2	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	Yes	Basis Patent
US8228827B2	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	Yes	Basis Patent
WO2008096984A1	4G	29/12/2008	ISLD-200812-015	SAMSUNG	S1 TS Number: TS 136 321 v8.3.0 Version No: v8.3.0 Section No: ---- Release : 8 + -	Yes	Family Member
WO2008096984A1	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
WO2008096984A1	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
RU2009130351A	4G	29/12/2008	ISLD-200812-015	SAMSUNG	S1 TS Number: TS 136 321 v8.3.0 Version No: v8.3.0 Section No: ---- Release : 8 + -	No	Family Member
RU2009130351A	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
RU2009130351A	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
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RU2443055C2	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
RU2443055C2	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
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JP2010518725A	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
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JP5148633B2	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
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JP5453498B2	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
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CN101595662A	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
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CN101595662B	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
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CN103152838B	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
CN103152838B	5G	22/08/2019	ISLD-201908-017	SAMSUNG	S1 TS Number: TS 138 212 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S2 TS Number: TS 138 300 v15.6.0 Version No: v15.6.0 Section No: Release : 15 S3 TS Number: TS 138 321 v15.6.0 Version No: v15.6.0 Section No: Release : 15 +2 -2	No	Family Member
EP2763490A1	4G	29/12/2008	ISLD-200812-015	SAMSUNG	S1 TS Number: TS 136 321 v8.3.0 Version No: v8.3.0 Section No: ---- Release : 8 + -	No	Family Member
EP2763490A1	5G	10/05/2018	ISLD-201805-018	SAMSUNG	S1 TS Number: TS 138 321 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
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Title

A METHOD AND APPARATUS FOR DETECTING CONTENTION AT RANDOM ACCESS PROCEDURE IN A WIRELESS COMMUNICATIONS SYSTEM

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A METHOD AND APPARATUS FOR DETECTING CONTENTION AT RANDOM ACCESS PROCEDURE IN A WIRELESS COMMUNICATIONS SYSTEM

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