[Tinyos-help] CC2420 higher RX consumption than TX

[André Miguel de Almeida Marrão Rodrigues]

Hello

As you can see, www.cs.berkeley.edu/~culler/papers/spots05-telos.pdf, table 3.
The more robust modelations make a price on the energy waste at reception.

André

----- Original Message ----- 
From: "Philip Levis" <pal at cs.stanford.edu>
To: "Joan Cortes" <jcortes at eee.strath.ac.uk>
Cc: <tinyos-help at Millennium.Berkeley.EDU>
Sent: Monday, May 14, 2007 1:30 AM
Subject: Re: [Tinyos-help] CC2420 higher RX consumption than TX


> On May 13, 2007, at 2:32 PM, Joan Cortes wrote:
> 
>> Thank you Phil,
>> I wonder what is exactly the operations make the reception to be  
>> very power hungry. It is just the demodulator?, I thought it is the  
>> same circuitry for modulation and demodulations, as also the  
>> frequency synthesizer. Additionally TX usually consumes more due to  
>> the need of amplification, is the amplification RX higher than TX.
>>
> This is understandably a complex topic. There are lots of papers and  
> textbooks on RF design; they would be a good place to start.
> 
> Phil
> _______________________________________________
> Tinyos-help mailing list
> Tinyos-help at Millennium.Berkeley.EDU
> https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.millennium.berkeley.edu/pipermail/tinyos-help/attachments/20070516/3283f559/attachment.htm