From: Johannes Berg <johannes@sipsolutions.net>
To: Rostislav Lisovy <lisovy@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>,
linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org,
Michal Sojka <sojkam1@fel.cvut.cz>,
s.sander@nordsys.de, jan-niklas.meier@volkswagen.de,
Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz>
Subject: Re: [RFC 0/4 v2] cfg80211/mac80211: Add new interface type for OCB (Outside the Context of a BSS) mode
Date: Tue, 10 Jun 2014 18:43:08 +0200 [thread overview]
Message-ID: <1402418588.4152.0.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <1402322954.11505.10.camel@umadbro> (sfid-20140609_160917_275820_58731C2F)
On Mon, 2014-06-09 at 16:09 +0200, Rostislav Lisovy wrote:
> On Tue, 2014-06-03 at 22:15 +0200, Johannes Berg wrote:
> > it's unclear to me how the bitrate is
> > selected, are there even different bitrates?
>
> My understanding is that since we are using OFDM we have to support at
> least 3, 6, 12 Mb/s data rates (says 802.11-2012, Chapter 18.1.1, second
> paragraph). How to choose it when transmitting? That should probably be
> defined in some standard built on top of "802.11p" -- the European
> "Intelligent Transport System" standard ETSI EN 302 663 defines
> different channels in 5.9 Ghz band along with the "default data
> rate" (Table 2, Chapter 4.3). For example Control Channel (nr. 180) has
> data rate 6 Mb/s, while Service Channel 2 (nr. 178) has data rate 12
> Mb/s.
But that probably means then that you have to select the rate in the
join command.
johannes
prev parent reply other threads:[~2014-06-10 16:43 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-30 16:56 [RFC 0/4 v2] cfg80211/mac80211: Add new interface type for OCB (Outside the Context of a BSS) mode Rostislav Lisovy
2014-05-30 16:56 ` [RFC 1/4] cfg80211: Add channel flags limiting availability to OCB mode only Rostislav Lisovy
2014-06-03 20:01 ` Johannes Berg
2014-06-03 22:18 ` Luis R. Rodriguez
2014-06-09 14:21 ` Rostislav Lisovy
2014-06-10 21:16 ` Luis R. Rodriguez
2014-08-01 14:00 ` Regulatory of 5.9 GHz band and OCB mode (was: [RFC 1/4] cfg80211: Add channel flags limiting availability to OCB mode only) Michal Sojka
2014-09-05 21:52 ` Luis R. Rodriguez
2014-05-30 16:56 ` [RFC 2/4] cfg80211: Add new interface type for OCB mode Rostislav Lisovy
2014-06-03 20:10 ` Johannes Berg
2014-05-30 16:56 ` [RFC 3/4] nl80211: Do not ignore 5/10MHz wide channels in nl80211_send_chandef() Rostislav Lisovy
2014-05-30 16:56 ` [RFC 4/4] mac80211: OCB mode interface configuration Rostislav Lisovy
2014-06-03 20:13 ` Johannes Berg
2014-06-03 20:15 ` [RFC 0/4 v2] cfg80211/mac80211: Add new interface type for OCB (Outside the Context of a BSS) mode Johannes Berg
2014-06-09 14:09 ` Rostislav Lisovy
2014-06-10 16:43 ` Johannes Berg [this message]
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