From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id CBECE3CB47 for ; Thu, 26 Sep 2019 18:32:26 -0400 (EDT) Received: by mail-io1-xd2d.google.com with SMTP id v2so10759789iob.10 for ; Thu, 26 Sep 2019 15:32:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=rRm0wtDmzWSYudbBb6E9yJN61bJqam+V0pMmDImERwo=; b=fbLaqoi9OnnAPiVGjW0F/czcs11cfmcfxFp3Ba4lv6QXJdeLJmegNIIlPHLs/k4kMz 7WD4nRSeqBXhC3BHHF73F7qMv/6EfDDYH326YFL4bvPBJiH+EgqVIFwWVKYVhoMOrrF6 8aExbws9I5fKFjY2Uhb9UB17vo/Uxk8Cw+0kaDf9DjCP3q1BnYzMqaq5GKNuhUPCfp4q VBr92BjQguQjY+ssnpFqT0QZUuKlEllKPCUGZM+dn/ZKfYXsbTsV0E/Nq5BedtlHaDFN J6vZbwvnKNiIogm3lK7cbPE+M0Cy56dFqZVWw4yNbsrsOqe2KCiUNOKHejJMHlW/fEzl k2bg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=rRm0wtDmzWSYudbBb6E9yJN61bJqam+V0pMmDImERwo=; b=ATzCRRJUZraWtPwg9jBCOL1eDOyq5W+54hDZAgvpiACsMLfUBBBg/9UXPFeEMefLHt T7CY8IEStzR5m8fzLZlkq6VdMyPbVGVzXZg40g0ZhsB2FwzX1kfuzA7Y+lHioHETa7xs /iCNo8G1d8ynsa28UWnKBg3nT8YWiOqqxde/FKFclRlfpFPR28DlQ+MsGuluKeeZOfD6 6BH4y29mmCSak/pO3XY+j+SjMlQl1BsNAldIDU+lATLXJupJMGPJHuunCiDDzKqJPDK7 t1IorsjDOaNNGKxwwzFTHdTjRiuR1qgSTe2AUHRscWvvkKzlr+QsmzJC+J6GIcMuf21E HLmg== X-Gm-Message-State: APjAAAXXN6chZ1leqCc//+O6vXFWMlEEzIhn4cReTnOGkbYVq8XyH94G ofDYLEfKPwuj8PTip3B1Huqp994aQIFnlEAGo/Q= X-Google-Smtp-Source: APXvYqz+4Irr3NgeZTlaJPK5UJQbDD+9gV0GLuDlXgl3QAk6FfGXr/hs71/r4XIpEtYCHHFuF5hZCbAciKpC4WIB2s4= X-Received: by 2002:a92:5c13:: with SMTP id q19mr1179744ilb.249.1569537146154; Thu, 26 Sep 2019 15:32:26 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Dave Taht Date: Thu, 26 Sep 2019 15:32:14 -0700 Message-ID: To: Bob McMahon Cc: David Lang , Make-Wifi-fast Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Make-wifi-fast] 20 year anniversary of wifi X-BeenThere: make-wifi-fast@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Sep 2019 22:32:26 -0000 Great article, bob, thx! People *wanted* wireless freedom. Everybody had a laptop and a modem, and a pcmcia slot. One business model that lasted only briefly was coffee shops renting pcmcia cards..... On Thu, Sep 19, 2019 at 12:10 PM Bob McMahon wro= te: > > For what it's worth, Teresa Meng (founder of Atheros) said in 2004 > > https://queue.acm.org/detail.cfm?id=3D984469 > > "TM: There are three basic ingredients in the technology. The first is de= finitely signal processing. In the past two decades a lot of research and i= ndustry achievements have made it possible for us to understand how to tran= smit signals through a wireless medium, based on sophisticated signal proce= ssing algorithms. > > Second, in the late =E2=80=9990s, it became possible to implement gigaher= tz RF circuits using digital CMOS technology=E2=80=94the predominant techno= logy that people have been using for implementing microprocessors and memor= y. > > The third ingredient is the opening up of the unlicensed band. Before 199= 7, for example, a carrier would have to pay a lot of money=E2=80=94in the b= illion-dollar range=E2=80=94to the government to have the right to use a ba= ndwidth of several megahertz for their cellphone service. In 1997, the U.S.= government opened up the 5GHz UNII band that allows unlicensed users=E2=80= =94everybody in the United States=E2=80=94to use up to 550 megahertz of ban= dwidth, as long as they follow the rules. > > With the availability of wide bandwidth and CMOS technology being advance= d enough to process the bandwidth at this frequency, and with the signal pr= ocessing know-how=E2=80=94all this created what I call the =E2=80=9Cwireles= s revolution=E2=80=9D that freed us from the previous notion that wireless = communication is expensive, inherently constrained by a low data-rate, and = is scarce. Bandwidth used to be a very scarce commodity, which is not true = anymore with the opening up of unlicensed bands. This is the path Atheros w= ould like to lead: to change people=E2=80=99s view of wireless service from= tele-communication to more of a data-communication notion where equipment = can be updated very quickly and inexpensively, and basically provide a leve= l field for competition." > > Bob > > On Wed, Sep 18, 2019 at 1:33 PM David Lang wrote: >> >> I had some homerf devices, they were signficantly slower than 802.11b bu= t they >> were also far cheaper (they were ~$150 for a card where 802.11b were ~$8= 00 each) >> >> a few years later the 'junk' vendors started producing 802.11b devices, = the >> prices dropped, and they caught on. >> >> David Lang >> >> >> >> On Mon, 16 Sep 2019, Dave Taht wrote: >> >> > Date: Mon, 16 Sep 2019 23:46:38 +0100 >> > From: Dave Taht >> > To: Make-Wifi-fast >> > Subject: [Make-wifi-fast] 20 year anniversary of wifi >> > >> > I remember experimenting with "homeRF". I cannot remember for the life >> > of me what it was like. >> > >> > and to me, why wifi took off was that it had a strong investment by >> > apple AND heavy interest from the geek community, with a couple >> > drivers that actually worked, and because of the coffee shop >> > phenomenon.... >> > >> > Shure, everything else here was important, too: >> > >> > https://www.wired.com/story/how-wi-fi-almost-didnt-happen/ >> > -- >> > >> > Dave T=C3=A4ht >> > CTO, TekLibre, LLC >> > http://www.teklibre.com >> > Tel: 1-831-205-9740 >> > _______________________________________________ >> > Make-wifi-fast mailing list >> > Make-wifi-fast@lists.bufferbloat.net >> > https://lists.bufferbloat.net/listinfo/make-wifi-fast_________________= ______________________________ >> Make-wifi-fast mailing list >> Make-wifi-fast@lists.bufferbloat.net >> https://lists.bufferbloat.net/listinfo/make-wifi-fast -- Dave T=C3=A4ht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-205-9740