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Re: [Discuss-gnuradio] GNURadio on custom SDR platform / UCLA Zigbee PHY

From: Martin Flasskamp
Subject: Re: [Discuss-gnuradio] GNURadio on custom SDR platform / UCLA Zigbee PHY
Date: Wed, 10 Aug 2011 16:12:52 +0200
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:5.0) Gecko/20110624 Thunderbird/5.0

Thank you very much for your reply! I'll write a GNURadio module for our
DB-SDR-Hardware to use it together with the UCLA ZigBee implementation.

As a reference system and maybe for future work we want to buy an
USRP/USRP2.  Which version do you propose?  The ZigBee code seems to
have been written for the USRP, but how difficult is it porting it to USRP2?

The Zigbee poject page ( https://www.cgran.org/wiki/UCLAZigBee ) says
the code needs GNURadio v3.2. Is it better to use that old version or to
port it to the current GNUradio v3.3.0? Or does anybody still working on
it and maybe sharing the code somewhere else besides CGRAN?


Am 05.08.2011 12:39, schrieb Matthias Wilhelm:
> Hi, 
> this sounds like you want to implement the sender/receiver functionality on 
> the host, so why not write a GNU Radio integration module and use existing 
> RX/TX code?
> There are already physical layer implementations for ZigBee, 802.11, 
> Bluetooth, Gen2, etc. available (e.g., at 
> https://www.cgran.org/wiki/Projects).
> So you should aim to provide complex samples to GNU Radio as a source/sink 
> block and reuse the existing stuff.
> Anyway, for the demonstrator I would choose ZigBee, the physical layer is 
> simple and robust, and the UCLA code works pretty well. 
> It is also likely to work with existing hardware that uses 802.15.4, so you 
> can also send SDR->off-the-shelf hardware (such as sensor motes) without 
> worries.
> Regards,
> Matthias
> Am 05.08.2011 um 12:03 schrieb Martin Flasskamp:
>> Hello all,
>> My name is Martin Flasskamp and I'm currently starting my diploma thesis
>> at Bielefeld University in Germany.
>> My task is to create a wireless demonstration system which enables two
>> nodes to communicate wirelessly using software-defined radio.
>> The platform I'll use is our own modular FPGA-based rapid prototyping
>> system called RAPTOR ( http://www.raptor2000.de/en/home/ ). One of the
>> available daughter boards (called DB-SDR) is compatible to an USRP2 and
>> has a standard XCVR2450 board on top.
>> By integrating our SDR-platform into GNURadio I want to be comparable to
>> USRP and maybe benefit from other GNURadio projects in the future.
>> Now my question:
>> Which wireless standard is the best one to start with as a reference
>> implementation? WiFi/Bluetooth/ZigBee/other?
>> The aim is to have a sender as well as a receiver. Standard conformity
>> would be nice but is not necessarily required.
>> Best regards,
>> Martin

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