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Forums » AT&T Exploring HDTV Over 802.11n » wireless networking
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jchambers28

join:2007-05-12
Alma, AR

1 edit
wireless networking

that's some crazy shit I am doing that here and it don't work that great. there goes your 1080i


Matt
Take me down to the paradise city
Premium
join:2003-07-20
Jamestown, NC
·North State Commun..

said by jchambers28 See Profile :

that's some crazy shit I am doing that here and it don't work that great. there goes your 1080i
I agree. I tried it as well and it was awful. I was only going through one floor and about 15 feet maybe. The issue was the reliability of the connection, not the max throughput that could be achieved. I eventually replaced the bridges with Motorola NIM-100 MoCA bridges and see a solid 100Mbps all day.

I could hit 280Mbps (802.11n Draft 2.0) but every 2-3 minutes the signal would get muddled and the rate would drop, causing a video pause. Actually, when the rate had to change at all, either decrease due to a interference and then when it cleared up and increased the rate again, I'd would experience problems. The 5GHz spectrum would help, so I hope they are deploying it there.


en102
Canadian, eh?

join:2001-01-26
Valencia, CA
·RoadRunner Cable
·DSL EXTREME

Personally, I'd rather use Ethernet over powerline (Netgear HDX-101 or newer).
I typically have ~100mbps to almost any outlet in my house (100mbps port, so ~70mbps throughput).
The only issue occurs when there's something with a high load (microwave oven, vacuum, hairdryer).


dslwanter
Why would I want DSL? I have FTTH
Premium
join:2002-12-16
Lowellville, OH
·Armstrong Zoom In..
·AT&T Midwest

reply to jchambers28
said by jchambers28 See Profile :

that's some crazy shit I am doing that here and it don't work that great. there goes your 1080i
Never 1080i anyway. It's all compressed. But AT&T would do something like this.

AT&T= You're world, our way.
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Check our my internet radio station: »www.thebomb102.com, featuring new music and hits of the millennium, powered by FTTH!


jchambers28

join:2007-05-12
Alma, AR
reply to en102
720P would be the highest quality achieved nothing more.


Matt
Take me down to the paradise city
Premium
join:2003-07-20
Jamestown, NC
·North State Commun..

reply to en102
said by en102 See Profile :

Personally, I'd rather use Ethernet over powerline (Netgear HDX-101 or newer).
I typically have ~100mbps to almost any outlet in my house (100mbps port, so ~70mbps throughput).
The only issue occurs when there's something with a high load (microwave oven, vacuum, hairdryer).
The MoCA devices are much simpler and offer higher throughput. There is ZERO configuration required, you just plug them in and go. They are also not sensitive to load on the coax. As the other poster said, I see a solid 100Mbps all day long.


Matt
Take me down to the paradise city
Premium
join:2003-07-20
Jamestown, NC
·North State Commun..

reply to dslwanter
said by dslwanter See Profile :

said by jchambers28 See Profile :

that's some crazy shit I am doing that here and it don't work that great. there goes your 1080i
Never 1080i anyway. It's all compressed. But AT&T would do something like this.
Resolution has nothing to do with compression. You can have 1080i at 1Mbps if you want to. You won't be able to make out what is in the video, but it's still technically video.


yolarry

join:2007-12-29
Creston, WV
reply to jchambers28
meh I cant get standard video working at all.

I don't know what I doing wrong.


en102
Canadian, eh?

join:2001-01-26
Valencia, CA
·RoadRunner Cable
·DSL EXTREME

reply to Matt
I have no issues with MoCA, however these devices are plug/play, no config required either. Its basically an ethernet bridge over 120V, usable at any outlet.
My longest run is probably ~300' of wire (far end of house to circuit breaker and back over a different circuit, and I have ~70Mbps (~55Mbps thoughput) - and my electrical is aluminum :P


aaronwt
Premium
join:2004-11-07
Woodbridge, VA
·Verizon FIOS


2 edits
reply to jchambers28
said by jchambers28 See Profile :

that's some crazy shit I am doing that here and it don't work that great. there goes your 1080i
I have zero problems transmitting 1080P24 video over my 5Ghz wireless N segment of my network. I can transfer multiple streams with zero problems. I easily have consistent 100mbs+ speeds from it.
As long as it's setup properly there should not be any dropouts.

Skippy25

join:2000-09-13
Hazelwood, MO
reply to Matt
Though technically right.... just as you pointed out though compression has EVERYTHING to do with resolution quality.

No matter how good it is, you are going to loss details and the more compression the more details lost.

openbox9

join:2004-01-26
Alexandria, VA
reply to en102
I've tried a few powerline adapters without success. The best throughput I was able to achieve was ~17 Mbps. This was in a house built in 2005.

Tigerpaw509
Premium
join:2006-07-15
Huntley, IL
reply to jchambers28
sounds like a loser to me


jchambers28

join:2007-05-12
Alma, AR
my point of view is that you cant beat a wired connection for vidieo that's just it, my point of view.


Matt
Take me down to the paradise city
Premium
join:2003-07-20
Jamestown, NC
·North State Commun..

reply to Skippy25
said by Skippy25 See Profile :

Though technically right.... just as you pointed out though compression has EVERYTHING to do with resolution quality.

No matter how good it is, you are going to loss details and the more compression the more details lost.
I said resolution, not quality.

bsoft

join:2004-03-28
Boulder, CO
·Comcast

reply to jchambers28
1080p Blu-Ray discs usually run around 30Mbps, which is well within the real-world performance of 802.11n (60+ Mbps).

You can get excellent quality 1080p video with H.264 at 15Mbps, so you could easily send three video streams simultaneously over 802.11n.

The major stumbling block is going to be interference, but there's a good chance that AT&T will be using the 5GHz band instead of the 2.4GHz band (802.11n can use either).
-
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