Its boils down to link budget - most ISP's will have 2mbps cap per CPE. Assuming they have old wimax basestations with AP being capable of 40mbps(assuming no interference) they can do a max of 40 x 6 = 240mbps if using 60 degrees sectorial radios. So even if you have 2Gbps fiber backhaul the RF last mile will be a bottleneck. My 2 cents. Im not a wimax/RF expert. -----Original Message----- From: skunkworks-bounces@lists.my.co.ke [mailto:skunkworks-bounces@lists.my.co.ke] On Behalf Of dauglas kidake Sent: Tuesday, November 08, 2011 1:36 PM To: Skunkworks Mailing List Subject: Re: [Skunkworks] Bandwidth queries. Tried to push 2MB on a client CPE it fried out and had to org for a replacement 3.4ghz-3.7 on alvarion On 11/8/11, Bernard Mwagiru <bmwagiru@gmail.com> wrote:
Perhaps, 1) Shared radio resource? 2) Limited fiber transmission backhaul? 3) From your research, could you also share the practical achievable WiMAX bandwidth.What you've listed, with my limited radio experience, is achievable in a controlled lab, next to a WiMAX BTS with a dedicated fiber backhaul.
Looking forward to W.isp *cant wait*
bernard
On Mon, Nov 7, 2011 at 5:56 PM, Watchman <skunkingrahim@gmail.com> wrote:
Anyone from Access KE on list? got a question.
I've been doing some research after my conversation with someone on Access KE support staff on phone regarding bandwidth. I found that there was a flaw with something i was told. I was informed that Wimax bandwidth cannot exceed 1.5Mb/s and as such i cannot receive more data on my connection, that would be why i am unable to get a better data speed even though access kenya are already on the fiber connection and are handling Fiber as resellers.
To clarify this, i found :
*WiMAX* (*Worldwide Interoperability for Microwave Access*) is a communication technology for wirelessly delivering high-speed Internet service to large geographical areas. The 2005 WiMAX revision providedbit rates <http://en.wikipedia.org/wiki/Bit_rate> up to 40 Mbit/s[1]<http://en.wikipedia.org/wiki/WiMAX#cite_note-0> [2] <http://en.wikipedia.org/wiki/WiMAX#cite_note-1> with the 2011 update up to 1 Gbit/s for fixed
stations.[3]<http://en.wikipedia.org/wiki/WiMAX#cite_note-UQ-WiMAX2-test-2>
It is a part of a "fourth generation," or 4G<http://en.wikipedia.org/wiki/4G>, of wireless-communication technology
Please assist me in understanding why even though they have probably got 1 - 2 GB/s Data lying in their pipes, there is limited capacity being dished out. By my calculations, 1GB/s = 1000MB/s at which i'm considering, they're dishing out 1Mb/s per residential, if they have 10,000 residential clients, that makes 1000Mb/s = 100MB/s. 900MB/s = *WHAT THE HELL?*
This is why *W.Isp *is under construction.
-- get to know more about me. *http://about.me/rahiminkara * this list is being *watched.*
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