From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail2.candelatech.com ([208.74.158.173]:48641 "EHLO mail2.candelatech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964883AbbKDBQA (ORCPT ); Tue, 3 Nov 2015 20:16:00 -0500 Received: from [192.168.100.149] (firewall.candelatech.com [50.251.239.81]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail2.candelatech.com (Postfix) with ESMTPSA id A02BD40A79A for ; Tue, 3 Nov 2015 17:15:59 -0800 (PST) From: Ben Greear Subject: Question STBC and LDPC To: "linux-wireless@vger.kernel.org" Message-ID: <56395C4F.1000203@candelatech.com> (sfid-20151104_021603_230638_85595840) Date: Tue, 3 Nov 2015 17:15:59 -0800 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: I've been digging in the guts of ath10k rate-ctrl, and I notice that if I tell the chip to do NSS of 1 without STBC or LDPC, then it works as I expect (single stream, MCS-1 encoding). But, if I do NSS of 1 and STBC and LDPC enabled (VHT-MCS-0, for instance), then wireshark shows the frame as being a 2-stream packet and double the bandwidth. Is this expected? Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com