Tuesday, December 25, 2012

Does weather effect wireless connections?

Q. Just curious... becuase i have a 2 Wire router and it is connected to my computer and is USUALLY wireless on my laptop but for some reason today it just wont stay connected- and its been rainy all day and the past few days it has been fine with only a few minor internet loses.

A. Lots of things can interfere with WiFi connections. Consider that most are running on the 2.5Ghz band that's shared by wireless phones, baby monitors and more. On a rainy day, your DSL line might also be getting wet so it might not have anything to do with the wireless part of the connection. It might have to do with the number of people that try to use it while it's raining...


How is 802.11n able to communicate further than 802.11b/g?
Q.

A. Think of 802.11n like the high hat of a symbol from a drum set. When its struck with a drum stick the sound is high pitch can be heard from quite a distance. Like the 802.11n frequency operates at both 2.4Ghz and 5Ghz. Without getting to technical the 802.11n operates in the 5Ghz range and the capabilities allow for faster connection (transmission rate) and further distance due to the high frequency. However the draw back is that since the 5Ghz frequency is thin and can be easily weakened by obstructions like walls, glass, metallic objects, even carpet.

The 802.11 2.4Ghz operates at a lower frequency and has a slower transmission rate and goes shorter distances. The upside to this is that the 2.4Ghz can penetrate to obstructions better than the 5Ghz range. A nice reference is the sounds of bass. A car drives by playing music but all you hear is the deep thumbing from the bass. Bass = lower frequency but has a strong impact on penetrating through walls and objects.

Hope this helps.
Also consider electronic interference with your wireless network such a cordless phones that operate in 2.4Ghz & 5Ghz, also microwave ovens, baby monitors, even refrigerators.


Why is it slow to use net . Is there any problem who can tell me?
Q. kgmjpw

A. You don't really give very much information to help us help you, do you? Nothing about your hardware or your network configuration/method of accessing the internet. Nothing about the speed your ISP says you should get or what speed you are getting.

If you are using a wifi router there are several things you can do to try and maximise speed:

To start with the basic rule is to position the router as high and as centrally as possible in your house.

1] Try changing the broadcast channel from the wireless setup interface for your router/modem.You can normally access this by typing "http://192.168.0.1/" into your browsers search bar and then look for the wireless settings menu.
You don't say if your router can use the 5GHz frequency or just the 2.4GHz. The best channels in the 2.5GHz spectrum are 1,6, 11, or 13 as they have less overlap with the other channels.

There is a useful article here about how to get the best performance by selecting the best channel.: http://www.howtogeek.com/howto/21132/cha�

If you have an android smarthphone, or a friend does, then install the Wifi Analyzer app free from android market and use it to scan for the best channel and change your routers broadcast channel accordingly. This app will aslo show you all the wifi signals in range that your neighbours are using, so you can select a different channel to them, making a stronger signal for you. https://market.android.com/details?id=co�


2] You can use a tool like Nirsofts totally free WirelessNet View to look at all the local wireless signals that are within range and may be competing with your own router and interfering with reception. from here: http://www.nirsoft.net/utils/wireless_ne�

3] You can buy a Wi-Fi booster like D-Link 645 Smartbeam, here: http://www.amazon.co.uk/D-Link-DIR-645-W�
Devices such as these can actually boost the wifi signal by using multiple beams that bounce of the walls and are intelligently directed toward whatever device [smarhphone, laptop, tablet] you are using on wifi.

4] If your using the 2.4GHz frequency and not the 5GHz then other devices that use this frequency band can alsso interfere with your reception [eg baby monitors and microwave ovens use 2.4GHz]. Try and make sure that none of these devices are situated between your router and your wifi receiver eg laptop, tablet, smarthphone etc


my home wireless connection is very poor. what can i get to give it boost?
Q.

A. There are several things you can do; To start with the basic rule is to position the router as high and as centrally as possible in your house.

1] Try changing the broadcast channel from the wireless setup interface for your router/modem.You can normally access this by typing "http://192.168.0.1/" into your browsers search bar and then look for the wireless settings menu.
You don't say if your router can use the 5GHz frequency or just the 2.4GHz. The best channels in the 2.5GHz spectrum are 1,6, 11, or 13 as they have less overlap with the other channels.

There is a useful article here about how to get the best performance by selecting the best channel.: http://www.howtogeek.com/howto/21132/change-your-wi-fi-router-channel-to-optimize-your-wireless-signal/

If you have an android smarthphone, or a friend does, then install the Wifi Analyzer app free from android market and use it to scan for the best channel and change your routers broadcast channel accordingly. This app will aslo show you all the wifi signals in range that your neighbours are using, so you can select a different channel to them, making a stronger signal for you. https://market.android.com/details?id=com.farproc.wifi.analyzer&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5mYXJwcm9jLndpZmkuYW5hbHl6ZXIiXQ..


2] You can use a tool like Nirsofts totally free WirelessNet View to look at all the local wireless signals that are within range and may be competing with your own router and interfering with reception. from here: http://www.nirsoft.net/utils/wireless_network_view.html

3] You can buy a Wi-Fi booster like D-Link 645 Smartbeam, here: http://www.amazon.co.uk/D-Link-DIR-645-Wireless-Router-Technology/dp/B005OPO63S/ref=sr_1_2?ie=UTF8&qid=1323867281&sr=8-2
Devices such as these can actually boost the wifi signal by using multiple beams that bounce of the walls and are intelligently directed toward whatever device [smarhphone, laptop, tablet] you are using on wifi.

4] If your using the 2.4GHz frequency and not the 5GHz then other devices that use this frequency band can alsso interfere with your reception [eg baby monitors and microwave ovens use 2.4GHz]. Try and make sure that none of these devices are situated between your router and your wifi receiver eg laptop, tablet, smarthphone etc





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