Re: [SI-LIST] : Spread spectrum project

Larry Miller (ldmiller@nortelnetworks.com)
Tue, 12 Oct 1999 08:48:03 -0700

The ARRL (Amateur Radio Relay League = "ham") has an excellent Spread
Spectrum handbook.

This not only gives you all the theory, but also has projects in detail.

It also gets you informed on the legalities of SS (allowed bands,
sequences). You cannot just fire up an SS transmitter without attracting
unfavorable attention from the FCC and the military.

It is available at most bookstores that have any pretense to carrying
technical stuff.

Larry Miller
Nortel Networks

At 06:52 PM 10/11/99 -0700, you wrote:
>Hi
>
>I'm going into my 4th (final) year of a B. Eng
>(Aerospace/Avionics). One of the projects I'm
>considering is a 2.4-2.6GHz spread spectrum system.
>The system cannot output more than 5W, and will be
>used primarily for digital video transmission. It may
>be necessary in the future for this system to transmit
>multiple data streams (ie video, telemetry, control).
>The project also requires the design and construction
>of patch antennae for the Tx and Rx. I have two
>questions.
>Firstly, does this project appear reasonable? There
>are other, easier projects available for me to do if
>this is too difficult, or unlikely to be finished in
>time.
>Secondly, if I do decide to do it, what sort of
>problems am I likely to encounter? Just general
>things like propagation, track width, antenna size
>etc.
>
>Any help is greatly appreciated
>
>Dave
>
>
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>
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