From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ashwin Chaugule Subject: Re: Wireless network card capabilities Date: Mon, 05 Feb 2007 13:42:27 +0530 Message-ID: <1170663148.4692.2.camel@localhost.localdomain> References: <45C5B892.3000507@superbug.co.uk> <20070204122721.GA2280@p15091797.pureserver.info> Reply-To: ashwin.chaugule@celunite.com Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: James Courtier-Dutton , netdev@vger.kernel.org To: Ulrich Kunitz Return-path: Received: from rs384.securehostserver.com ([72.22.69.69]:4342 "HELO rs384.securehostserver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751994AbXBEIMc (ORCPT ); Mon, 5 Feb 2007 03:12:32 -0500 In-Reply-To: <20070204122721.GA2280@p15091797.pureserver.info> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Sun, 2007-02-04 at 13:27 +0100, Ulrich Kunitz wrote: > On 07-02-04 10:42 James Courtier-Dutton wrote: > > > Hi, > > > > Can Wireless network cards receive and transmit on two channels at once? > > I am thinking of implementing a way for a wireless VoIP phone on Linux > > being able to hand off from one AP to another without dropping the call. > > For this to work, the wireless card must be able to chat on two channels > > during the handover, so as to not loose any voice packets. > > > > James > > The easiest way to achieve this is to use two wireless adapters. > I'm not sure, whether there are adapters, which support parallel > reception on two channels and manage two independent > associations at the same time. > Not too sure, but from what I've understood of Channel bonding, maybe you could bind the 2 wifi ifaces using 2 adapters and linux's channel bonding modules ? Ashwin