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Programmable Dongles Turn PCs Into LTE Base Stations

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bobdvb
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Re: My Wireless Network
bobdvb   2/10/2016 1:41:18 PM
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@dvandit, the reason you can't operate your own phone network is not arbitrary, it is because the radio spectrum needs coordination and so you need a licence. You could try to get a licence but they aren't sold on a small local basis, so you'll need billions in capital expense. Also there is an element of trust, the mobile standards trust the network so if you operate one you need some credibility and governance to ensure you aren't stealing people's calls and data.

paul.dillien
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Re: BladeRF
paul.dillien   2/10/2016 12:50:21 PM
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Hi Bobdvd

Good question.  

The technical differences are that the SDR supports MIMO, as it uses a dual transciever FPRF device.  It also covers frequencies from 100 kHz to 3.8 GHz (i.e "all the global LTE cellular bands" plus a whole lot more).  It also has a wide RF modulation bandwidth up to 160 MHz using analog or 60 MHz using the digital interface - so it can handle more simultaneous calls.

Then there is my speculation...  About 18 months ago Altera made an equity investment in Lime Microsystems (see http://www.eetimes.com/author.asp?section_id=36&doc_id=1322817).  I might be adding 2 plus 2 and making 5, but it seems to me that now Intel owns Altera, there is a chance of further products combining Intel processors, Altera FPGAs and Lime FPRF chips.  

D Vanditmars
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My Wireless Network
D Vanditmars   2/10/2016 12:50:13 PM
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Does this allow anybody to start their own My Wireless Network and charge for roaming and other services as people cars drive by My Basestation?

Oh probably not, due to the same type of laws, (like automobile manufacturers can not sell driect to consumers)...

bobdvb
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BladeRF
bobdvb   2/10/2016 4:05:11 AM
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I'm not sure how this is different to the BladeRF or HackRF?

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