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Re: [Discuss-gnuradio] openLTE annoucement

From: Ben Wojtowicz
Subject: Re: [Discuss-gnuradio] openLTE annoucement
Date: Wed, 2 May 2012 07:18:11 -0500


Thanks for giving it a try!!  If you get me your VZW recording, I can
take a closer look to see what is going wrong with the SIB decoding.


On Tue, May 1, 2012 at 7:46 PM, Thomas Tsou <address@hidden> wrote:
> On Sat, Apr 28, 2012 at 9:26 PM, Ben Wojtowicz <address@hidden> wrote:
>> I am pleased to announce version 00.05 of openLTE, an open source LTE
>> project (sourceforge.net/projects/openlte).  This version includes a
>> gnuradio application that reads recorded I/Q downlink LTE data from a
>> file, decodes MIB and SIB1, and displays the decoded information.
> This is awesome.
> I pulled this from the local Verizon tower with a USRP2.
> DL LTE Channel found:
>        Frequency Offset              =      -19.63
>        System Frame Number           =         234
>        Physical Cell ID              =          74
>        Number of TX Antennas         =           2
>        Bandwidth (MHz)               =          10
>        PHICH Duration                =      Normal
>        PHICH Resource                =           1
> I wasn't able to decode the SIB. I have what appears to be a decent
> signal with a discone antenna near the window, but the CRC check on
> the DCI never clears. I'll play with it some more when I have some
> free time (unfortunately not in the near future). Really cool stuff
> though.
>  Thomas

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