Recently my ISP (internet service provider) upgraded my data rate but there was no noticeable change when checking for an improvement on http://www.speedtest.net/ over wireless. I resolved the situation. Here are some suggestions if you find yourself in a similar position:
- The ISP may have told you to reboot your router to synchronize your router to the new data rate. Make sure to also reboot your cable modem when you do this.
- Will your speed be jumping to greater than 100 Mbps? If so, does the WAN, also called internet connection, capable of connecting at the next highest data rate of 1 Gbps? (In my case I had to go out and buy a new wireless router.)
- Even if your current wireless route is capable of the higher data rate, the question is what data rate did your router actually negotiate? To check this you need to log into your router to find out.
- How fast is your wireless data rate compared to your ISP data rate? If you are running a speed test over wireless at home, it is important to know that what you are really measuring is throughput rate that is about 1/2 of the date rate. Because network traffic going over the air is a shared delivery is not guaranteed. Because of this there is a lot of overhead on wireless network to check that the bits were correctly delivered and to resend them as needed.
- What does this mean in concrete terms? If your data rate is 120 Mbps, you need to have a wireless router capable of at least 240 Mbps. You would need a wireless router able to use the 802.11n or 802.11ac wireless standards. https://en.wikipedia.org/wiki/IEEE_802.11 In my case I bought a 802.11ac router with a 1 Gbps WAN connection to make make sure the capabilities of the home device would not be a problem for a while. If you were to go with an 802.11n device in this situation, double check the 802.11n settings as not all the settings allow you to communicate greater than 240 Mbps over wireless.
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