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Title:
RETRANSMIT THE WHOLE IP PACKET WHEN DETECTING SOURCE ID CONFLICT IN V2X
Document Type and Number:
WIPO Patent Application WO/2021/035433
Kind Code:
A1
Abstract:
Methods and devices of various embodiments enable vehicle-to-everything (V2X) communications over a PC5 interface including retransmission of IP packets with a new source identifier (src-id) when a src-id conflict is detected. Embodiments include monitoring the PC5 interface for transmissions, determining whether any transmission has a same src-id as a src-id being used by the V2X entity, dropping any unsent protocol data units (PDUs) of a service data unit (SDU) for transmission entity in response to determining that a transmission from a remote entity has a same src-id as a src-id being used by the V2X entity, assigning a new different src-id in response to determining that a transmission from a remote entity has a same src-id as a src-id being used by the V2X entity, converting the SDU for transmission by the V2X entity into new PDUs having the new src-id, and sending the new PDUs via the PC5 interface.

Inventors:
LIU HAIZHOU (US)
CHEN XIAOCHEN (US)
LI CHUNXIA (US)
HAO ZENGYU (US)
ZHANG NAN (US)
GUO HONGJIN (US)
QIN YI (US)
HOU JINTAO (US)
Application Number:
PCT/CN2019/102334
Publication Date:
March 04, 2021
Filing Date:
August 23, 2019
Export Citation:
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Assignee:
QUALCOMM INC (US)
LIU HAIZHOU (CN)
CHEN XIAOCHEN (CN)
LI CHUNXIA (CN)
HAO ZENGYU (CN)
ZHANG NAN (CN)
GUO HONGJIN (CN)
QIN YI (CN)
HOU JINTAO (CN)
International Classes:
H04L29/06; H04W72/04
Domestic Patent References:
WO2018149265A12018-08-23
Foreign References:
CN108029072A2018-05-11
Other References:
INTEL CORPORATION: "Considerations on Layer-2 Destination ID", 3GPP DRAFT; R2-1906297_NR_V2X_PC5_DESTID_INTEL, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Reno, USA; 20190513 - 20190517, 13 May 2019 (2019-05-13), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051729764
CATT: "Evaluation results of PC5-based V2V", 3GPP DRAFT; R1-162268, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Busan; 20160411 - 20160415, 2 April 2016 (2016-04-02), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051080073
HUAWEI, HISILICON: "Analysis on resource allocation for PC5 CA", 3GPP DRAFT; R2-1712752 ANALYSIS ON RESOURCE ALLOCATION FOR PC5 CA, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Reno, USA; 20171127 - 20171201, 17 November 2017 (2017-11-17), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051371655
Attorney, Agent or Firm:
LEE AND LI - LEAVEN IPR AGENCY LTD. (CN)
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