On Tue, Aug 4, 2015 at 2:27 AM, Seth Forshee <seth.forshee at canonical.com> wrote: > On Thu, Jul 23, 2015 at 11:32:56AM +0800, Chen-Yu Tsai wrote: >> Taiwan's Ministry of Transportation and Communications revised its >> frequency allocation rules [1] on 2014/11/17, allowing usage of 5600 ~ >> 5650 MHz, previously allocated to weather radars, to U-NII applications >> with DFS support. >> >> Also, the technical regulations [2] show that for 5470 ~ 5725 MHz U-NII >> applications, the peak transmit power shall not exceed the lesser of >> 250 mW (slightly less than 24 dBm) or 11 dBm + 10log B, where B is the >> 26dB emission bandwidth in MHz. This is slightly more than 23 dBm for >> 20 MHz channels. >> >> This patch updates both. Also add links to the two documents into the >> database. >> >> [1] http://www.motc.gov.tw/websitedowndoc?file=post/201411171137330.doc&filedisplay=Table+of+radio+frequency+allocation.doc >> [2] http://www.ncc.gov.tw/english/show_file.aspx?table_name=news&file_sn=681 >> >> Signed-off-by: Chen-Yu Tsai <wens at csie.org> > > Sorry for the slow response to these patches. > >> --- >> db.txt | 10 ++++++++-- >> 1 file changed, 8 insertions(+), 2 deletions(-) >> >> diff --git a/db.txt b/db.txt >> index 982db34..5114557 100644 >> --- a/db.txt >> +++ b/db.txt >> @@ -1118,11 +1118,17 @@ country TT: DFS-FCC >> (5490 - 5730 @ 160), (24), DFS >> (5735 - 5835 @ 80), (30) >> >> +# Source: >> +# Table of Frequency Allocations of Republic of China (Taiwan) / Nov 2014: >> +# http://www.motc.gov.tw/websitedowndoc?file=post/201411171137330.doc&; \ >> +# filedisplay=Table+of+radio+frequency+allocation.doc >> +# LP0002 Low-power Radio-frequency Devices Technical Regulations / 28 Jun 2011: >> +# http://www.ncc.gov.tw/english/show_file.aspx?table_name=news&file_sn=681 >> +# (section 3.10.1, 4.7) >> country TW: DFS-JP >> (2402 - 2472 @ 40), (30) >> (5270 - 5330 @ 40), (17), DFS >> - (5490 - 5590 @ 80), (30), DFS >> - (5650 - 5710 @ 40), (30), DFS >> + (5470 - 5725 @ 160), (23), DFS > > Based on [2], it looks like this range requires TPC, in which case the > power limit should be dropped by 3 dB on account of our not supporting > TPC. Will fix. Is there any plan to support multiple rules per band? Such as different power limits with vs without TPC, or something like DFS vs indoor only? ChenYu
