Re: [ipwave] what is C-V2X: PC5 mode 4 'sidelink' without infrastructure, or V2I?
Dirk.von-Hugo@telekom.de Thu, 28 October 2021 13:54 UTC
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From: Dirk.von-Hugo@telekom.de
To: alexandre.petrescu@gmail.com, its@ietf.org
Thread-Topic: [ipwave] what is C-V2X: PC5 mode 4 'sidelink' without infrastructure, or V2I?
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Archived-At: <https://mailarchive.ietf.org/arch/msg/its/frCXr7hCb9GY6NeI4oSMz8kJ9ms>
Subject: Re: [ipwave] what is C-V2X: PC5 mode 4 'sidelink' without infrastructure, or V2I?
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Hi Alex, as discussed already before here 3GPP seems not to specify this expression of Cellular V2X communication but ETSI ITS several times uses it as well as 5GAA (https://5gaa.org/) in the sense of an overarching or umbrella term including sidelink/direct/proximity services/PC5 link used for direct V2V communication (instead of or in addition to 11p-based ITS-G5) and the 3GPP 4/5G (LTE/NR) Uu interface used for V2X communication via cellular network infrastructure … (see e.g., TS 103 723 - V1.2.1 - Intelligent Transport Systems (ITS); Profile for LTE-V2X Direct Communication (etsi.org)<https://www.etsi.org/deliver/etsi_ts/103700_103799/103723/01.02.01_60/ts_103723v010201p.pdf>) … and I tend to agree 😉 So both: where available C-V2X can make use of cellular infrastructure, but anywhere else it can be used independently. Just my 2 Cts. Best Regards Dirk From: its <its-bounces@ietf.org> On Behalf Of Alexandre Petrescu Sent: Donnerstag, 28. Oktober 2021 15:25 To: IPWAVE WG <its@ietf.org> Subject: [ipwave] what is C-V2X: PC5 mode 4 'sidelink' without infrastructure, or V2I? A few definitions of C-V2X circulate: C-V2X is LTE PC5 interface mode 4 'sidelink': it means it works only in a V2V or V2P manner, and thus C-V2X does not need infrastructure. This has been said a few times. C-V2X means also V2I. This is said by e.g. the SIM8100 module description saying "The SIM8100 is a C-V2X module which supports C-V2X functionality through a PC5 interface for vehicle-to-vehicle (V2V), vehicle-to-pedestrian (V2P), and vehicle-toinfrastructure (V2I) applications" at https://www.simcom.com/product/SIM8100.html or "The module will most commonly be found in telematics boxes, telematics control units, advanced driver-assistance systems, C-V2X (V2V, _V2I_, V2P) systems)" at https://www.quectel.com/product/5g-c-v2x-ag55xq-series What do you think? Does C-V2X need infrastructure or can C-V2X work without infrastructure? This is can guide our activity of IPv6 for C-V2X. Alex
- [ipwave] what is C-V2X: PC5 mode 4 'sidelink' wit… Alexandre Petrescu
- Re: [ipwave] what is C-V2X: PC5 mode 4 'sidelink'… Dirk.von-Hugo
- Re: [ipwave] what is C-V2X: PC5 mode 4 'sidelink'… Jérôme Härri
- Re: [ipwave] what is C-V2X: PC5 mode 4 'sidelink'… Jérôme Härri
- [ipwave] C-V2X cheap cards or modules? (was: Re: … Alexandre Petrescu
- Re: [ipwave] C-V2X cheap cards or modules? (was: … Jerome Haerri
- Re: [ipwave] C-V2X cheap cards or modules? Alexandre Petrescu