Re: [ipwave] Commenting on the FCC plan (was: Re: FCC Moves Plan Forward to Chop Up Vehicle Safety Airwaves)
Abdussalam Baryun <abdussalambaryun@gmail.com> Fri, 20 December 2019 20:21 UTC
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From: Abdussalam Baryun <abdussalambaryun@gmail.com>
Date: Fri, 20 Dec 2019 22:20:53 +0200
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To: Alexandre Petrescu <alexandre.petrescu@gmail.com>
Cc: its <its@ietf.org>
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Subject: Re: [ipwave] Commenting on the FCC plan (was: Re: FCC Moves Plan Forward to Chop Up Vehicle Safety Airwaves)
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On Fri, Dec 20, 2019 at 2:04 PM Alexandre Petrescu < alexandre.petrescu@gmail.com> wrote: > Hi, IPWAVErs, > > I am interested in commenting on the FCC plan for 5.9GHz band, in > particular with respect to the channel(s) on which to use > IPv6-over-802.11-OCB. > Thanks Alex, yes I agree, and I am interested to join if this group wants to comment through US_ISOC. > There seems to be a window of opportunity of 30 days from publishing > date of Dec. 17th. > Yes, Agree > > Is anybody planning to comment? Is someone part of a group that would > like to comment? > I think this IPWAVE group can comment and submit to ISOCs of US so they comment as well, > > (attached the FCC notice) > > thanks AB > Alex > > Le 18/12/2019 à 11:06, Alexandre Petrescu a écrit : > > > > > > Le 17/12/2019 à 16:23, Jérôme Härri a écrit : > >> Dear All, > >> > >> Sorry, wrong link..it was a presentation.. > >> > >> But here is the paper: > >> > >> > http://www.eurecom.fr/fr/publication/5191/detail/can-ieee-802-11p-and-wi-fi-coexist-in-the-5-9ghz-its-band > >> > > > > Jérôme, > > > > Thanks for the pointer to that article of 2017. Its introductory parts > > are no short of predicting what is happening now with the FCC plan in > > the 5850-5895MHz band for WiFi and OCB. > > > > The paper seems to suggest a WiFi-OCB co-existence solution backed by > > cognitive radio concept and simulation. > > > > Are there implementations of the WiFi-OCB co-existence in the same band? > > > > Is there a demonstrator showing that WiFi with BSS and WiFi in OCB mode > > can live together ok in same band? A packet dump would be illustrative. > > > > The IPv6-over-OCB draft makes a MUST to use QoS Data headers. Would > > IPv6-over-WiFi-with-BSS also be a MUST to use such headers? > > > > Alex > > > >> > >> BR, > >> > >> Jérôme > >> > >> -----Original Message----- From: Jérôme Härri <haerri@eurecom.fr> > >> Sent: Tuesday, 17 December 2019 16:09 To: 'Alexandre Petrescu' > >> <alexandre.petrescu@gmail.com>; 'Abdussalam Baryun' > >> <abdussalambaryun@gmail.com> Cc: 'its' <its@ietf.org> Subject: RE: > >> [ipwave] FCC Moves Plan Forward to Chop Up Vehicle Safety Airwaves > >> > >> Dear All, > >> > >> We did a study a few months ago related to the coexistence between > >> WiFi and OCB on the same channel. Please find it here: > >> > >> > http://www.eurecom.fr/fr/publication/5395/detail/coexistence-challenges-between-rlans-and-etsi-its-g5-at-5-9ghz-for-future-connected-vehicles > >> > >> > >> John Kenney and his team also make a similar study as well... > >> > >> The methods have slightly changed since this publication, but > >> problems would still occur: which technology should 'vacate' in case > >> of interferences? As far as I understood, OCB still is the > >> primary..but I leave other expert to correct this statement if I am > >> wrong, > >> > >> BR, > >> > >> Jérôme > >> > >> -----Original Message----- From: its <its-bounces@ietf.org> On Behalf > >> Of Alexandre Petrescu Sent: Tuesday, 17 December 2019 15:45 To: > >> Abdussalam Baryun <abdussalambaryun@gmail.com> Cc: its > >> <its@ietf.org> Subject: Re: [ipwave] FCC Moves Plan Forward to Chop > >> Up Vehicle Safety Airwaves > >> > >> > >> > >> Le 17/12/2019 à 15:29, Abdussalam Baryun a écrit : > >>> I think IEEE defines WLAN as IEEE802.11. so any IEEE802.11xx > >>> standard can be called a WLAN standard. http://www.ieee802.org/11/ > >> > >> Right. > >> > >> And a channel in the 2.4GHz band (WLAN) can not be linked with a > >> channel in the 5.9GHz band (WLAN) because the former is ran with a > >> BSS whereas the latter is Outside the Context of a BSS (OCB). As > >> such it is impossible to realize the FCC claim to provide cutting > >> edge high throughput bandwidth ("the Commission proposes to designate > >> the lower 45 megahertz of the band for unlicensed uses like Wi-Fi. > >> This 45 megahertz sub-band can be combined with existing unlicensed > >> spectrum to provide cutting-edge high-throughput broadband > >> applications on channels up to 160 megahertz wide.") > >> > >> So if FCC wants to run WiFi with a BSS in this 5875-5895MHz band, > >> such as to legitimately call it WiFi, and to achieve high throughput, > >> then it can only be in mode with a BSS, and it can not be in mode > >> without a BSS (OCB). > >> > >>> also IEEE defines WMAN as IEEE802.16 technology, which was replaced > >>> by LTE cellular technology. > >> > >> There is indeed a similarity. > >> > >> But 802.16 is more different than 802.11 than 802.11-OCB is different > >> than 802.11. > >> > >> 802.16 runs in licensed and paid spectrum (one has to acquire i.e. > >> pay money to get) whereas 802.11-OCB one does not have to buy > >> spectrum. > >> > >> There are other stronger differences I think. > >> > >>> > >>> AB > >>> > >>> On Tue, Dec 17, 2019 at 3:54 PM Alexandre Petrescu > >>> <alexandre.petrescu@gmail.com > >>> <mailto:alexandre.petrescu@gmail.com>> wrote: > >>> > >>> > >>> > >>> Le 17/12/2019 à 14:40, Abdussalam Baryun a écrit : > >>>> V2X and V2V communications had two design proposals: > >>>> > >>>> 1- using WLAN technology 2- using Cellular network technology > >>>> > >>>> So we worked on the first in this WG. > >>> > >>> OCB is not the typical WLAN - it is 802.11 in mode OCB. One cant > >>> link OCB channels to non-OCB channels (typical WiFi) such as to > >>> make very large channel widhts they seem to need. > >>> > >>> > >>> in frequency yes > >> > >> In practice: how do you think it is possible to link together two > >> channels one from 5.4GHZ WiFi and one from 5.9GHz OCB? > >> > >> I think for my part of the 'iw' command. That allows to link > >> together two channels, by specifying the channel width: 10MHz, 20MHz, > >> etc. But they must be adjacent in the first places. > >> > >> And one cant do that linking to create a channel that is in part OCB > >> and in part non-OCB. Light can be wave and particle but channel cant > >> be both OCB and with BSS. > >> > >>> > >>> I think FCC wants much parts of the 5.9GHz for WLAN (not OCB) and > >>> other parts for C-V2X. > >>> > >>> FCC is pushing for 5G services/qualities to be achieved. > >> > >> It is a good goal that I share entirely. But dont invade other > >> goals. > >> > >>> I think it may depend on locations/regions, because some locations > >>> may not have good cellular communication signals. > >> > >> FCC does not talk about locations or regions. > >> > >> But I do agree with you on the principle. I talked recently to a > >> highway operator complaining about the lack of 3G 4G feasibility on > >> their roads. > >>> > >>> > >>> I think the FCC question is whether or not to keep the > >>> 5895-5905MHz for DSRC or to give that too to C-V2X; that is the > >>> only question they formulate. > >>> > >>> > >>> I agree, they are pushing for that, > >>> > >>> > >>> That channel is a place where FCC hardly allowed for IPv6 in the > >>> first place. Even in this WG it was often said that IPv6 is not > >>> for that channel. > >>> > >>> I think there is no place for OCB mode anywhere and even less for IPv6. > >>> > >>> > >>> we never know what will happen tomorrow. > >> > >> BUt we cant work without a solid basis. > >> > >> Alex > >> > >>> > >>> AB > >>> > >>> > >>> Alex > >>>> > >>>> On Tue, Dec 17, 2019 at 12:58 PM Alexandre Petrescu > >>>> <alexandre.petrescu@gmail.com > >>> <mailto:alexandre.petrescu@gmail.com> > >>> <mailto:alexandre.petrescu@gmail.com > >>> <mailto:alexandre.petrescu@gmail.com>>> wrote: > >>>> > >>>>> https://docs.fcc.gov/public/attachments/DOC-361339A1.pdf > >>>> > >>>>> For Immediate Release FCC SEEKS TO PROMOTE INNOVATION IN > >>> THE 5.9 GHZ > >>>>> BAND WASHINGTON, December 12, 2019—The Federal Communications > >>>>> Commission today voted[...] > >>>> > >>>> What does C in C-V2X mean? Is it Cellular V2X like in 3GPP? > >>> I assume > >>>> this is what is meant by C-V2X: point-to-point links from 3GPP. > >>>> > >>>> Yes, there are 4G and 5G > >>>> > >>>> Or is C-V2X something more like BSM messages put on 802.11 > >>> kind of link > >>>> (be it OCB or more traditional WiFi)? > >>>> > >>>> > >>>> no it is cellular network communication technologies/protocols > >>>> > >>>> > >>>> What does C-V2X mean entirely? Is it sending BSM messages or > >>> is it also > >>>> sending CAM messages (in 3GPP there are only CAM messages > >>> AFAIremember). > >>>> > >>>> What are the implementations of C-V2X and on which hardware > >>> from which > >>>> manufacturer? > >>>> > >>>> > >>>> see our draft mentions c-v2x: > >>>> > >>>> > >>> https://tools.ietf.org/html/draft-ietf-ipwave-vehicular-networking-03# > >>> > >>> > > page-19 > >>> > >>> > >>> > >>> > >>>> I think it is important that we do more work for the C-V2X > >>> section in > >>>> the draft as well. > >>>> > >>>> > >>>> Detailing this term is key to understand the plan and to be > >>> able to > >>>> answer the consultation. It might be very worrisome as well > >>> as it might > >>>> be nothing new but a change in terms. > >>>> > >>>> > >>>> The C-V2X is challenging with WiFi V2X, it depends on what is > >>>> mostly used by countries, but the WiFi is probably will win. > >>>> > >>>> AB > >>>> > >>>> > >>> > >> > >> _______________________________________________ its mailing list > >> its@ietf.org https://www.ietf.org/mailman/listinfo/its > >> > > > > _______________________________________________ > > its mailing list > > its@ietf.org > > https://www.ietf.org/mailman/listinfo/its > _______________________________________________ > its mailing list > its@ietf.org > https://www.ietf.org/mailman/listinfo/its >
- [ipwave] FCC Moves Plan Forward to Chop Up Vehicl… Russ Housley
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Alexandre Petrescu
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Abdussalam Baryun
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Alexandre Petrescu
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Alexandre Petrescu
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Abdussalam Baryun
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Abdussalam Baryun
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Alexandre Petrescu
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Alexandre Petrescu
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Alexandre Petrescu
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Abdussalam Baryun
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Alexandre Petrescu
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Alexandre Petrescu
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Abdussalam Baryun
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Alexandre Petrescu
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Jérôme Härri
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Jérôme Härri
- Re: [ipwave] FCC Moves Plan Forward to Chop Up Ve… Alexandre Petrescu
- [ipwave] Commenting on the FCC plan (was: Re: FCC… Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan (was: Re:… Abdussalam Baryun
- Re: [ipwave] Commenting on the FCC plan Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan Abdussalam Baryun
- Re: [ipwave] Commenting on the FCC plan Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan Abdussalam Baryun
- Re: [ipwave] Commenting on the FCC plan fygsimon@gmail.com
- Re: [ipwave] Commenting on the FCC plan Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan Chris Shen
- Re: [ipwave] Commenting on the FCC plan, and a no… Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan, and a no… Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan - related… Alexandre Petrescu
- Re: [ipwave] Commenting on the FCC plan - related… Alexandre Petrescu