How to provide wireless Internet access for multi-storey housing?

This is using D-Link DIR-655 wireless router, for a ADSL Internet access. All the equipments are deployed in 2nd floor. Currently, attempt to use wireless on 1st and 3rd floors are rather not possible as the signal is rather weak (probably due to concrete wall). Running cable is not possible between floors. I'm thinking getting 2 wireless APs to boost up the signal for 1st and 3rdfloors. Do you have any APs in mind? Or any alternative way?
BalackAsked:
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Blue Street TechLast KnightCommented:
When you say "multi-storey housing" i am assuming this is a residential environment not business, correct? If so, the following would be apply.
Great Access point: http://www.netgear.com/Products/APsWirelessControllers/AccessPoints/WG602.aspx
Alternative solution:
Any of these would be great too: http://www.netgear.com/Products/PowerlineNetworking/PowerlineEthernetAdapters.aspx
also, http://www.netgear.com/Products/PowerlineNetworking/PowerlineEthernetAdapters/XE102.aspx 
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BalackAuthor Commented:
Yes, it is an housing residence.

So, does it mean that I've to set these APs in bridging mode?
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Blue Street TechLast KnightCommented:
it depends...
on which solution you choose and what your goal is?
if you use the POEs (alt solution) you just plug one of them into the router and then into an electrical socket and the other one is just plugged into another floors electrical socket.
If you choose an AP, then you will set it up in one of the following, whichever best suits your need.
Access Mode to broadcast
Bridge Mode for point to point
Client mode to receive prior to routing to a subnet

 if you are just looking to share internet and not share files or apps then i would recommend setting it up in bridge mode.
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BalackAuthor Commented:
How reliable is bridge mode? Will it be any compatible problem for different products - Dlink and netgear?
Actually, I'm thinking of using DLink DAP 1630 to run in bridge mode. What do you think?
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Blue Street TechLast KnightCommented:
Do you mean the DAP 1360 (The Wireless N Range Extender (DAP-1360)? To my knoledge there is no 1630?
But yes this would be a great fit as well...it supports multiple modes and solid encryption!
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BalackAuthor Commented:
I worry about the wireless signal may get blocked by concrete wall and solid wooden doors. Any concern about the signal attenuation?
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Blue Street TechLast KnightCommented:
With wireless, unfortunately, the only way to discover is to test it in the physical environment. I have seen so many unexplainable conditions with different environments rendering outcomes that could not be foreseen mainly because of hidden construction issues, etc.
This is why I provided an alternative powerline networking solution from you to choose inn my earlier threat http:#29875597. This would allow you to network via the electrical sockets thereby bypassing the physical limitations.
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Blue Street TechLast KnightCommented:
For creating a wireless AP boost, solid wooden doors are of pretty much no negative effect - the signal will pass right through hollow traditional walls and doors no problem.
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BalackAuthor Commented:
Close for the sake of closing
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