[WLANware] Antenna diversity + wave guide antennas; books; performance data

[Daniel Nitzpon]

hi davis!

i would really try to get rid of the omni and replace it by several 
directional antennae. that doesn't have to be too costly, you can easily 
build cantennas and biquads yourself. and if you're good at soldering 
ics, you can buy siemens se505 instead of wrts and upgrade their ram to 
16mb.
dependig on how you choose your locations and how much other wifi is in 
the air there, you can also achieve quite a lot with the standard 
antennae. only thing that is important is to get the nodes outside of 
buildings (and watch for proper rain and sun protection).

greetz
daniel

dondavis at reglue.org schrieb:
>> hi!
>> has been a while since that post, but i thought i should still drop you
>> a couple of words..
> 
> I'm glad you responded.  I'm trying to imagine the topology.
> 
> 
> 
>                        <o             !              o>
>                       waveguide       omni           waveguide
> 
> 
>                                        u
>                                       >  <
>                                        n
>                                      parabolae
> 
> What I have for my backbone so far is 12 wrt54gls I'm wanting to mount
> outside.  I have one gateway with a giant omni I mounted.   (I have
> several wave guides I can use. )  I was setting the backbone on channel 10
> and I wanted to set up aps connected to each backbone node via lan cable
> on channel 2.
> 
> I do have limited funds; so either we can use the default 'stummel'
> antennae,  our waveguide cantennas, homemade omnis, or cheap omnis.  I do
> have a bit of low loss lmr400 I can use.  We've made some cables and have
> more cables and the adaters for n-male and n-females.  We also already
> have all the rp-tnc>nmale adpaters that we need for all the routers.
> 
> We have freifunk and batmand 0.2 setup on the routers.
> 
> Suggestions are welcome.  Is it unrealistic to plan on just using one
> antenna of the wrt54gls?  I thought if one antenna was connected and one
> antenna was disconnected the diversity should take care of things.  Of
> course, I can try enabling and disabling things.
> 
> Well I have one gateway and twelve backbone routers to start with. 
> Suggestions?
> 
> Thank you for your time,
> 
> D Davis
> 
> 
>