The raw speed reported by your wireless network adapter is not necessarily a reliable indicator of actual raw speed. The reason is that transmit speed fluctuates according to the wireless error rate, and when the wireless link is idle, unrealistic speed may be reported (since no errors are occuring when the wireless link is idle).
Data can only flow on one wireless link in one direction at any one time, which means that the maximum data transfer rate will be well below half of the raw wireless network speed.
Increase transmit power
Won't help on receiving, so higher power may well be needed at both ends.
Takes a lot more power to make a substantial difference in range.
May increase interference to other users of the frequency band.
Improving antenna (helping sending & receiving) is usually more effective & neighborly.
computer problem, pc support, technical support, computer help, online computer repair, microsoft windows help, slow computer, computer troubleshooting, virus and spyware removal
Saturday, January 12, 2008
My Wireless connection drops periodically How Do I Fix This
Possible interference
Try manufacturer's wireless connection manager -- If your hardware came with its own wireless connection manager, trying installing and configuring it to manage wireless connections. (Some drivers will not maintain the association with the strongest signal access point in situations with high density access points.)
Too much wireless (RF) interference
Switch to a different channel
First try minimally interfering channels: 1, 6, and 11
If that doesn't solve the problem, try other channels
Remove interference (e.g., replace 2.4 GHz cordless phone with 900 MHz or 5 GHz cordless phone) Use a directional antenna or reflector pointed
toward desired radio, and
away from source of interference,
Switch to 802.11a (5 GHz)
Try manufacturer's wireless connection manager -- If your hardware came with its own wireless connection manager, trying installing and configuring it to manage wireless connections. (Some drivers will not maintain the association with the strongest signal access point in situations with high density access points.)
Too much wireless (RF) interference
Switch to a different channel
First try minimally interfering channels: 1, 6, and 11
If that doesn't solve the problem, try other channels
Remove interference (e.g., replace 2.4 GHz cordless phone with 900 MHz or 5 GHz cordless phone) Use a directional antenna or reflector pointed
toward desired radio, and
away from source of interference,
Switch to 802.11a (5 GHz)
Can't connect to Wi-Fi client bridge and Internet at the same time How Can I Fix This
In network terms, a bridge is transparent, passing data from each side to the other side (wireless to wired, wired to wireless). Thus in normal operation it doesn't have any use for IP addresses, just MAC addresses.
However, because of the need to manage Wi-Fi operation (SSID selection, WEP/WPA security, etc.), a Wi-Fi client bridge will typically have configuration screen(s) at a specified private IP address (e.g., 192.168.0.254) that can be accessed with a standard Web browser (e.g., Microsoft Internet Explorer) from a local computer. Unfortunately, unlike with a Wi-Fi router, a computer connected to a Wi-Fi client bridge can't normally communicate with both the client bridge configuration and the Internet at the same time.
How To Configure a Wi-Fi client bridge.
Problem: The NIC on a local computer needs a manually-assigned IP on the same subnet to connect to the client bridge config interface but then can't access the Internet, and when configured for DHCP through the client bridge can then talk to the Internet but not the client bridge.
Solutions:
Multihoming of the NIC (single link, multiple IP addresses)
For Microsoft Windows XP, see "Configuring Multiple IP Addresses on a Network Adapter" in Configuring IP Addressing and Name Resolution. Note: This only works with all manual addresses, not DHCP, which can be problematic when roaming unless managed with configuration manager software.
Two NICs in one computer, both connected to the client bridge:
one manually configured to talk to the client bridge config
the other with DHCP for the Internet.
Different computers for
client bridge config (manually configured)
Internet access (DHCP).
Connection manager software for rapid changing of NIC configuration profiles try theese.
Boingo Wi-Fi software (free)
Mobile Net Switch
NetSwitcher
However, because of the need to manage Wi-Fi operation (SSID selection, WEP/WPA security, etc.), a Wi-Fi client bridge will typically have configuration screen(s) at a specified private IP address (e.g., 192.168.0.254) that can be accessed with a standard Web browser (e.g., Microsoft Internet Explorer) from a local computer. Unfortunately, unlike with a Wi-Fi router, a computer connected to a Wi-Fi client bridge can't normally communicate with both the client bridge configuration and the Internet at the same time.
How To Configure a Wi-Fi client bridge.
Problem: The NIC on a local computer needs a manually-assigned IP on the same subnet to connect to the client bridge config interface but then can't access the Internet, and when configured for DHCP through the client bridge can then talk to the Internet but not the client bridge.
Solutions:
Multihoming of the NIC (single link, multiple IP addresses)
For Microsoft Windows XP, see "Configuring Multiple IP Addresses on a Network Adapter" in Configuring IP Addressing and Name Resolution. Note: This only works with all manual addresses, not DHCP, which can be problematic when roaming unless managed with configuration manager software.
Two NICs in one computer, both connected to the client bridge:
one manually configured to talk to the client bridge config
the other with DHCP for the Internet.
Different computers for
client bridge config (manually configured)
Internet access (DHCP).
Connection manager software for rapid changing of NIC configuration profiles try theese.
Boingo Wi-Fi software (free)
Mobile Net Switch
NetSwitcher
PROBLEMS WHEN I ADDED WIRELESS ACESS TO A WIRED NETWORK
When adding wireless access to a wired network, as in the diagram, be careful not to create double NAT problems. Since the wired router already has NAT, use either:
1.a wireless access point with no NAT instead of a wireless router (with NAT), or
2.a wireless router setup as a wireless access point.
Find a Wi Fi Hotspot anywhere in the world Search for free and paid hotspots
Search for free and paid hotspots anywhere in the world by chatting with the Wi-Fi Companion just like your other Skype buddies.
Search any part of an address such as the zip code or city name, or type a phrase like "free hotspots in Paris" and in approximately 15 seconds you'll have the first 5 results back from the Companion.
Search on keywords like "cafe" or "hotel," or you can search by actual names of venues like "McDonald's" or "Borders." You can also combine keywords such as "free" and "hotel" for more precise results. See "Use keywords" for a list of possible keywords to help you search.
Send your list of hotspots to yourself or anyone else simply by typing in an email address.
Find yourself anywhere in the world
No matter where you are in the world, the Wi-Fi Companion displays your exact location and all hotspots and other services around you.
Use the Find Me tab at the top of the map to view your location and all the hotspots in your current location.
View local information such as news, weather, time and even directions and traffic reports.
Search any part of an address such as the zip code or city name, or type a phrase like "free hotspots in Paris" and in approximately 15 seconds you'll have the first 5 results back from the Companion.
Search on keywords like "cafe" or "hotel," or you can search by actual names of venues like "McDonald's" or "Borders." You can also combine keywords such as "free" and "hotel" for more precise results. See "Use keywords" for a list of possible keywords to help you search.
Send your list of hotspots to yourself or anyone else simply by typing in an email address.
Find yourself anywhere in the world
No matter where you are in the world, the Wi-Fi Companion displays your exact location and all hotspots and other services around you.
Use the Find Me tab at the top of the map to view your location and all the hotspots in your current location.
View local information such as news, weather, time and even directions and traffic reports.
Tuesday, January 8, 2008
FIND YOUR NEAREST WI-FI HOTSPOT Hotspots are everywhere.
FIND YOUR NEAREST WI-FI HOTSPOT...!
Hotspots are everywhere.
All you have to do to find your nearest one is type in a UK location in the box below and hit SEARCH. Use the map controls to zoom and pan to find the exact place you're looking for FIND YOUR HOTSPOT HERE
Hotspots are everywhere.
All you have to do to find your nearest one is type in a UK location in the box below and hit SEARCH. Use the map controls to zoom and pan to find the exact place you're looking for FIND YOUR HOTSPOT HERE
Monday, January 7, 2008
iPHONE WIFI FIX'S--PROBLEMS SOLVED
If you are switching between different Wi-Fi networks and you are unable to access the Internet on the iPhone or perform other data activities thru Wi-Fi, try turning Airplane Mode on and then off (tap Settings and turn Airplane Mode on and then turn Airplane Mode off). For iPod touch, turn Wi-Fi off and then back on again (tap Settings > Wi-Fi and turn Wi-Fi off and then turn Wi-Fi on). If the issue continues, tap Settings > Wi-Fi > Other (under Choose a Network) and then enter the Wi-Fi Network Name (SSID) and select your Security setting and enter your password. VISIT MY i PHONE SITE
If you are receiving the error message "Unable to Join Network Failure (error -3)" on the iPhone or iPod touch try this
Unable to Join Network Failure (error -3)" connecting to Wi-Fi
verify your Wi-Fi Network Name (SSID) and Security setting (WEP password, WEP hex or ASCII, WPA, or WPA2) for the device.
On the Wi-Fi Access Point/Router, you should verify if MAC address filtering is turned ON or OFF on the router, whether the security settings on the router match the iPhone or iPod touch (WEP password, WEP hex or ASCII, WPA, or WPA2), and try disabling (QoS) quality of service if that feature is turned ON for the router. FREE i PHONES
If you are still receiving the error message "Unable to Join Network Failure (error -3)" on the device when attempting to connect or join to your Wi-Fi network after trying the above suggestions, tap Settings > Wi-Fi > Other (under Choose a Network) and then enter the Wi-Fi Network Name (SSID) and select your Security setting and enter your password. i PHONE HACKS NEWS DOWNLOADS AND FIX'S
computer problem, pc support, technical support, computer help, online computer repair, microsoft windows help, slow computer, computer troubleshooting, virus and spyware removal
If you are receiving the error message "Unable to Join Network Failure (error -3)" on the iPhone or iPod touch try this
Unable to Join Network Failure (error -3)" connecting to Wi-Fi
verify your Wi-Fi Network Name (SSID) and Security setting (WEP password, WEP hex or ASCII, WPA, or WPA2) for the device.
On the Wi-Fi Access Point/Router, you should verify if MAC address filtering is turned ON or OFF on the router, whether the security settings on the router match the iPhone or iPod touch (WEP password, WEP hex or ASCII, WPA, or WPA2), and try disabling (QoS) quality of service if that feature is turned ON for the router. FREE i PHONES
If you are still receiving the error message "Unable to Join Network Failure (error -3)" on the device when attempting to connect or join to your Wi-Fi network after trying the above suggestions, tap Settings > Wi-Fi > Other (under Choose a Network) and then enter the Wi-Fi Network Name (SSID) and select your Security setting and enter your password. i PHONE HACKS NEWS DOWNLOADS AND FIX'S
computer problem, pc support, technical support, computer help, online computer repair, microsoft windows help, slow computer, computer troubleshooting, virus and spyware removal
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