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Re: [Openbts-discuss] Windows XP / Windows 7 GSM Base Station Software (Alpha) working with Wideband 33Mhz - 4.4 Ghz SDR with USB 2.0
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From: Akib S. <aki...@gm...> - 2014-04-23 08:43:01
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hey you said gsm bts for windows in previous mails. is it OpenBTS running on windows or something else. On Wed, Apr 23, 2014 at 2:05 PM, Software RadioUSA < sof...@gm...> wrote: > Ralph, > > > On Wed, Apr 23, 2014 at 3:30 AM, Ralph A. Schmid, dk5ras <ra...@sc... > > wrote: > >> I know very well about the 2.4 GHz issues of USB3. They do exist, but >> they can be handled when not using cheap plastic hubs. And the bladeRF is >> not deaf at all, just the software is not yet perfect. >> > > Okay > >> >> >> With not supporting USB3 the design already may get in trouble with UMTS >> and will not be able to do LTE at reasonable bandwidth. >> > > Understood. > >> >> >> My decision is clear – I will never buy an USB2-only SDR again. Times >> have changed towards fast interfaces. >> > > Good Luck! > > I believe USB 2.0 and Ethernet Nics are the way forward with Software > Radio. > > Vanu Bose never utilized USB 3.0, and the entire wireless industry is > scrambling to catch up with him. So there is NO NEED to " HAVE " to do SDR > stuff with USB 3.0. > > >> >> >> If you want to build up trust in the stuff, you should present it in a >> much better way, not with a website that totally lacks of all further >> information. And I guess this list is not thought as an advertisement >> medium anyway. Sure, some hints for OpenBTS-supporting hardware are always >> welcome, but that’s it. >> >> >> > We have the interests of Universities, this community, and others > interested in getting involved. > > Next is to get it working with Osmocom and some other stuff too. > > :-) > > >> Ralph. >> >> >> > > www.SoftwareRadio.us > >> >> >> *From:* Software RadioUSA [mailto:sof...@gm...] >> *Sent:* Wednesday, April 23, 2014 10:19 AM >> *To:* Ralph A. Schmid, dk5ras >> *Cc:* <ope...@li...> >> *Subject:* Re: [Openbts-discuss] Windows XP / Windows 7 GSM Base Station >> Software (Alpha) working with Wideband 33Mhz - 4.4 Ghz SDR with USB 2.0 >> >> >> >> Ralph, >> >> >> How dis-ingenious. >> >> >> >> On Wed, Apr 23, 2014 at 3:09 AM, Ralph A. Schmid, dk5ras < >> ra...@sc...> wrote: >> >> There is no reason avoiding USB3, interference is not an issue when >> designed properly, and you give away the speed advantages. Besides, when >> one does not want USB3, then he just can use an USB2 cable to force the >> unit to USB2 mode. >> >> >> >> Well since what I've been reading is people's USB 3.0 SDR devices >> working MORE so with USB 2.0 than USB 3.0, why pay more in the first place ? >> >> For me this looks like defending a cheap design with fake advantages. So >> why not admit, yes, we wanted to get it done the cheap way? There’s nothing >> wrong in this, costs for sure do matter. >> >> >> Ralph. >> >> >> >> But you wrote this previously too: >> >> >> >> *On Tue, Apr 22, 2014 at 5:35 PM, Ralph A. Schmid, dk5ras >> <ra...@sc... <ra...@sc...>> wrote:* >> >> *"*I am using two short antennas for GSM/UMTS/LTE, in a 90 degree rabbit >> ears config. With an USRP1/WBX they bring up to 100m range, with a >> RAD1/SDR1 up to 300m, just the bladeRF is deaf*.**"* >> >> You go ahead Ralph and " Pay More " for the only SDR device you just >> posted is " Deaf ". >> >> The other devices you posted about, RALPH, uses USB 2.0, and besides that: >> >> USB 3.0* Radio Frequency Interference on 2.4 GHz Devices >> >> http://www.intel.com/content/www/us/en/io/universal-serial-bus/usb3-frequency-interference-paper.html >> >> While I know GSM networks aren't on 2.4 Ghz, avoid USB 3.0 to avoid what >> all the B200/B210 people are going through now*. *Someone else reported >> their B200 was a $1000 brick until he could find a USB 3.0 interface >> that talked to the device*.* >> >> >> >> >> >> >> >> *From:* Software RadioUSA [mailto:sof...@gm...] >> *Sent:* Tuesday, April 22, 2014 9:41 PM >> *To:* ope...@li... >> *Subject:* [Openbts-discuss] Windows XP / Windows 7 GSM Base Station >> Software (Alpha) working with Wideband 33Mhz - 4.4 Ghz SDR with USB 2.0 >> >> >> >> Hello All, >> >> >> >> >> >> *Wideband 33 Megahertz – 4.4 Gigahertz Software Defined Radio with USB >> 2.0 interface avoiding:* >> *" USB 3.0* devices as a source of *interference*? " >> >> http://arstechnica.com/civis/viewtopic.php?f=11&t=1193469 >> >> >> >> >> >> *Windows XP / Windows 7 GSM Base Station Software *(Alpha) >> >> >> >> *GNU Radio / Matlab Compatible* >> >> >> >> *For more information, please visit:* >> >> >> >> *www.SoftwareRadio.US <http://www.SoftwareRadio.US> = Still being >> Updated* >> >> >> >> For ordering Information, contact >> >> >> >> Sof...@Gm... >> >> >> > > > > ------------------------------------------------------------------------------ > Start Your Social Network Today - Download eXo Platform > Build your Enterprise Intranet with eXo Platform Software > Java Based Open Source Intranet - Social, Extensible, Cloud Ready > Get Started Now And Turn Your Intranet Into A Collaboration Platform > http://p.sf.net/sfu/ExoPlatform > _______________________________________________ > Openbts-discuss mailing list > Ope...@li... > https://lists.sourceforge.net/lists/listinfo/openbts-discuss > > -- Akib Sayyed Matrix-Shell aki...@gm... aki...@ma... 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