Re: [Discuss-gnuradio] OFDM Example, 'Noisy' final symbol

2014-05-01 Thread Martin Braun
On 04/30/2014 05:17 PM, David Halls wrote: > Sorry, my fault - I altered the FDE so it *does* give soft outputs, > because the constellation decoder makes hard decisions anyway - so I > didn't see the need for it to be done twice. How exactly have you implemented that? > I forgot i'd made changes

Re: [Discuss-gnuradio] FindICE.cmake

2014-05-01 Thread West, Nathan
On Thu, May 1, 2014 at 8:23 AM, Tom Rondeau wrote: > On Wed, Apr 30, 2014 at 9:11 PM, West, Nathan > wrote: >> >> I'm trying to build gnu radio with control port, but cmake won't find >> my Ice installation. I have Ice-3.4 installed through apt on Ubuntu >> 13.10. Digging in to the FindIce.cmake

[Discuss-gnuradio] Announcing NEWSDR Event in Boston on Friday June 6

2014-05-01 Thread golorkhameshta
* * Fourth-Annual * * * * New England Workshop on Software-Defined Radio* * NEWSDR 2014 * *

Re: [Discuss-gnuradio] implementation of ofdm

2014-05-01 Thread Martin Braun
On 05/01/2014 05:02 PM, Anjana C wrote: > hai im anjana doing mtech in amrita vishwavidya > peetham.ettimadai,coimbatore,tamilnadu,india. > > sir, im trying to do ofdm communication system including channel > estimation and synchronization. im having a doubt about the paramaters > of the followin

Re: [Discuss-gnuradio] [USRP-users] usrp N210 antenna selection

2014-05-01 Thread Marcus Müller
Hi Sreena, usually, you want an antenna matching your carrier frequency. Many simpler antenna geometries (basically, dipoles) scale down relatively gracefully when used at wavelengths larger than what they where designed for, only loosing a few decibels. I have seen people do ~30MHz TX with an USR

[Discuss-gnuradio] implementation of ofdm

2014-05-01 Thread Anjana C
hai im anjana doing mtech in amrita vishwavidya peetham.ettimadai,coimbatore,tamilnadu,india. sir, im trying to do ofdm communication system including channel estimation and synchronization. im having a doubt about the paramaters of the following blocks used for the simulation of ofdm modulation

Re: [Discuss-gnuradio] On air 16_QAM transmission problem with USRP N210

2014-05-01 Thread Tom Rondeau
On Wed, Apr 30, 2014 at 1:01 PM, zielalaoui wrote: > Yes I did, with channel model like that: > Noise voltage = 200m > frequency offset=50m > epsilon=900m > taps=1 > seed=0 > And I can receive data. > Ok. A couple of things. First, please keep the rest of the conversation in the mail and bottom

Re: [Discuss-gnuradio] FindICE.cmake

2014-05-01 Thread Tom Rondeau
On Wed, Apr 30, 2014 at 9:11 PM, West, Nathan wrote: > I'm trying to build gnu radio with control port, but cmake won't find > my Ice installation. I have Ice-3.4 installed through apt on Ubuntu > 13.10. Digging in to the FindIce.cmake I made the following changes: > > diff --git a/cmake/Modules/F