From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-x229.google.com (mail-oi0-x229.google.com [IPv6:2607:f8b0:4003:c06::229]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 1FAA321F295 for ; Sun, 17 May 2015 10:45:11 -0700 (PDT) Received: by oiko83 with SMTP id o83so114176896oik.1 for ; Sun, 17 May 2015 10:45:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=qD3QRacCUOr9tN4eVfVH6X1Jm+Xd1G0xlOxOGdeVq2Y=; b=kxstwoozvyQLk/+z+eb37n1hyLtK1im7dd0iIvrlLD2bex3X5xLaZHqcAECDG6Ba40 9djB2WFTJ2AGU7C/yegKcBuvYw2+RcmgF2x4UL5hn9X9GPKAyaGDO6ulK3cQ8vfCD2+A QmOdf3dYCfgpvkPGiMPzkSb+6ziUt/bGtbNnI85kgAw09j28cJhoJvWKGhGv8e5YqLpl 5B6et5Jbtk5fmRZVJkO4Iy0kefO6znoc0uKUNToTrJxd4vaZqVpABldpBtmIBU2WXRsr kIuXf8QmuxGjIL3HGlzORJx56WCdZpRUGT+A7FwkMgl1JcWSszT0yDBEZJGvb8ytu4tr 92iw== MIME-Version: 1.0 X-Received: by 10.60.103.36 with SMTP id ft4mr9869994oeb.39.1431884704513; Sun, 17 May 2015 10:45:04 -0700 (PDT) Received: by 10.202.71.139 with HTTP; Sun, 17 May 2015 10:45:04 -0700 (PDT) In-Reply-To: References: Date: Sun, 17 May 2015 10:45:04 -0700 Message-ID: From: Dave Taht To: make-wifi-fast@lists.bufferbloat.net Content-Type: multipart/alternative; boundary=089e0112cb342c047d05164aa36f Subject: [Make-wifi-fast] Fwd: [IP] LTE can mooch off of Wi-Fi spectrum with new Qualcomm chipset X-BeenThere: make-wifi-fast@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 May 2015 17:45:47 -0000 --089e0112cb342c047d05164aa36f Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable or we could try to make wifi better. ---------- Forwarded message ---------- From: Dave Farber Date: Sun, May 17, 2015 at 6:20 AM Subject: [IP] LTE can mooch off of Wi-Fi spectrum with new Qualcomm chipset To: ip ---------- Forwarded message ---------- From: Hendricks Dewayne Date: Sun, May 17, 2015 at 7:45 AM Subject: [Dewayne-Net] LTE can mooch off of Wi-Fi spectrum with new Qualcomm chipset To: Multiple recipients of Dewayne-Net LTE can mooch off of Wi-Fi spectrum with new Qualcomm chipset By Stephen Lawson Feb 26 2015 < http://www.pcworld.com/article/2889792/lte-can-mooch-off-of-wifi-spectrum-w= ith-new-qualcomm-chipset.html > A chipset Qualcomm is introducing at Mobile World Congress next week is likely to make mobile operators happy and some Wi-Fi fans nervous. Amid a scramble for spectrum among cellular carriers, Qualcomm will demonstrate a chipset that lets LTE cells operate in a radio band used by Wi-Fi networks. The new silicon could double the amount of spectrum subscribers can use in certain areas, and it=E2=80=99s just the first in a = family of chipsets that may eventually tap into five times as much. The FSM 99xx chipset for small cells, along with a matching transceiver that will go into mobile devices, are among the first products coming for so-called Licensed Assisted Access. LAA, sometimes called LTE-Unlicensed, is one of several emerging techniques to take advantage of the large amount of spectrum available in unlicensed bands used by Wi-Fi. Verizon Wireless, T-Mobile USA and SK Telecom all have shown interest in using LAA. Combining unlicensed spectrum with traditional carrier frequencies will be a major trend on display at MWC. The benefit of unlicensed spectrum is that it=E2=80=99s free for anyone to = use, so carriers can tap into it without paying billions in an auction or going through a long licensing process. But that=E2=80=99s also what makes it ris= ky, according to the Wi-Fi Alliance. The industry group fears that without the right safeguards, LTE networks could hurt Wi-Fi performance. It=E2=80=99s w= orking with the 3GPP cellular standards group on future rules to prevent interference. 'Good neighbor' Qualcomm says its product is ready to be a good neighbor. Tests at Qualcomm showed that putting up a cellular base station built with the new chipset won=E2=80=99t affect nearby Wi-Fi users any more than adding another Wi-Fi = access point would, said Mazen Chmaytelli, senior director of business development at Qualcomm. It plans to offer products with future safeguards once they=E2= =80=99re finished but says they aren=E2=80=99t needed to keep Wi-Fi safe. LAA uses the 5GHz band, the biggest one for Wi-Fi. The system won=E2=80=99t= let carriers set up LTE networks that just use unlicensed spectrum. It=E2=80=99= s designed to add some spectrum to a regular licensed network where necessary, and only for downstream traffic. All the data going out to the Internet from the phone still goes over LTE. Qualcomm says LAA a better alternative to the Wi-Fi hotspots that many carriers install to offload traffic in busy areas. For one thing, Qualcomm tests have shown it=E2=80=99s at least twice as efficient, said Mazen Chmay= telli, senior director of business development at Qualcomm. LTE can carry more data with the same amount of spectrum than Wi-Fi can, so it can give users a bigger performance boost. Also, subscribers stay on the cellular network while they use LAA, so they don=E2=80=99t have to go through a handoff to a different network, Chmaytelli said. [snip] Dewayne-Net RSS Feed: Archives | Modify Your Subscription | Unsubscribe Now --=20 Dave T=C3=A4ht Open Networking needs **Open Source Hardware** https://plus.google.com/u/0/+EricRaymond/posts/JqxCe2pFr67 --089e0112cb342c047d05164aa36f Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
or we could try to make wifi better.

---------- Forwarded message ----------
From: Dave Farber <dave@farber.net>
Date: Sun, May 17, 20= 15 at 6:20 AM
Subject: [IP] LTE can mooch off of Wi-Fi spectrum with new= Qualcomm chipset
To: ip <ip@listbo= x.com>



--= -------- Forwarded message ----------
From: Hendricks Dewayne <dewayne@warpspeed.com>
Date:= Sun, May 17, 2015 at 7:45 AM
Subject: [Dewayne-Net] LTE can mooch off o= f Wi-Fi spectrum with new Qualcomm chipset
To: Multiple recipients of De= wayne-Net <dewayne-net@warpspeed.com>


LTE can mooch off of Wi-Fi s= pectrum with new Qualcomm chipset
By Stephen Lawson
Feb 26 2015
<http://www.= pcworld.com/article/2889792/lte-can-mooch-off-of-wifi-spectrum-with-new-qua= lcomm-chipset.html>

A chipset Qualcomm is introducing at Mobile World Congress next week is lik= ely to make mobile operators happy and some Wi-Fi fans nervous.

Amid a scramble for spectrum among cellular carriers, Qualcomm will demonst= rate a chipset that lets LTE cells operate in a radio band used by Wi-Fi ne= tworks. The new silicon could double the amount of spectrum subscribers can= use in certain areas, and it=E2=80=99s just the first in a family of chips= ets that may eventually tap into five times as much.

The FSM 99xx chipset for small cells, along with a matching transceiver tha= t will go into mobile devices, are among the first products coming for so-c= alled Licensed Assisted Access. LAA, sometimes called LTE-Unlicensed, is on= e of several emerging techniques to take advantage of the large amount of s= pectrum available in unlicensed bands used by Wi-Fi. Verizon Wireless, T-Mo= bile USA and SK Telecom all have shown interest in using LAA. Combining unl= icensed spectrum with traditional carrier frequencies will be a major trend= on display at MWC.

The benefit of unlicensed spectrum is that it=E2=80=99s free for anyone to = use, so carriers can tap into it without paying billions in an auction or g= oing through a long licensing process. But that=E2=80=99s also what makes i= t risky, according to the Wi-Fi Alliance. The industry group fears that wit= hout the right safeguards, LTE networks could hurt Wi-Fi performance. It=E2= =80=99s working with the 3GPP cellular standards group on future rules to p= revent interference.

'Good neighbor'

Qualcomm says its product is ready to be a good neighbor. Tests at Qualcomm= showed that putting up a cellular base station built with the new chipset = won=E2=80=99t affect nearby Wi-Fi users any more than adding another Wi-Fi = access point would, said Mazen Chmaytelli, senior director of business deve= lopment at Qualcomm. It plans to offer products with future safeguards once= they=E2=80=99re finished but says they aren=E2=80=99t needed to keep Wi-Fi= safe.

LAA uses the 5GHz band, the biggest one for Wi-Fi. The system won=E2=80=99t= let carriers set up LTE networks that just use unlicensed spectrum. It=E2= =80=99s designed to add some spectrum to a regular licensed network where n= ecessary, and only for downstream traffic. All the data going out to the In= ternet from the phone still goes over LTE.

Qualcomm says LAA a better alternative to the Wi-Fi hotspots that many carr= iers install to offload traffic in busy areas. For one thing, Qualcomm test= s have shown it=E2=80=99s at least twice as efficient, said Mazen Chmaytell= i, senior director of business development at Qualcomm. LTE can carry more = data with the same amount of spectrum than Wi-Fi can, so it can give users = a bigger performance boost. Also, subscribers stay on the cellular network = while they use LAA, so they don=E2=80=99t have to go through a handoff to a= different network, Chmaytelli said.

[snip]

Dewayne-Net RSS Feed: <http://dewaynenet.wordpress.com/feed/>



=20 =20
Archives | Modify Your Subscription | Uns= ubscribe Now



--
Dave = T=C3=A4ht
Open Networking needs **Open Source Hardware**

https://plus.google.com/u/0/+EricRaymond/posts/JqxCe2pFr67
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