Return-path: Received: from smtp.csie.ntu.edu.tw ([140.112.30.61]:49538 "EHLO smtp.csie.ntu.edu.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751078AbbHDB0n (ORCPT ); Mon, 3 Aug 2015 21:26:43 -0400 Received: from mail-io0-f172.google.com (mail-io0-f172.google.com [209.85.223.172]) (Authenticated sender: b93043) by smtp.csie.ntu.edu.tw (Postfix) with ESMTPSA id 6EA8223815 for ; Tue, 4 Aug 2015 09:26:41 +0800 (CST) Received: by ioii16 with SMTP id i16so2788891ioi.0 for ; Mon, 03 Aug 2015 18:26:39 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20150803182730.GC21180@ubuntu-hedt> References: <1437622380-4154-1-git-send-email-wens@csie.org> <1437622380-4154-2-git-send-email-wens@csie.org> <20150803182730.GC21180@ubuntu-hedt> From: Chen-Yu Tsai Date: Tue, 4 Aug 2015 09:26:19 +0800 Message-ID: (sfid-20150804_032648_496698_1401F4AA) Subject: Re: [PATCH v2 1/5] wireless-regdb: Update U-NII-2c (5470 ~ 5725 MHz) rules for Taiwan (TW) To: Seth Forshee Cc: Chen-Yu Tsai , wireless-regdb , linux-wireless Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Aug 4, 2015 at 2:27 AM, Seth Forshee 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 > > 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