Connect Speed VS Download Speed

I have purchased a WRT150n and WPC300N card. I am getting good connect speed (between 120Mbps and 270Mbps) but my download speed varies tremendously. Anywhere from 50Kbps to 4Mbps depending on how far I am from the router and other factors, I am sure. What is confusing me is when my connect speed is 270 Mbps but my download speed is only 50Kbps. I also borrowed a WRT300n from a friend and see somewhat better signal strength but not much better download speed. What is the reason for the huge drop off? Thanks

The difference is radio frequency noise, that is, interference from other 2.4 GHz devices.   Although your connection is 270 Mbps, radio frequency noise is dropping your data throughput rate.  This is a common problem.
Also, note that there is some "overhead" when sending data wirelessly.  For example the maximum data throughput of a 54 Mbps wireless g connection is about 20 to 24 Mbps (= about 2 to 2.4 MBps), or about 40% of the connection speed.
Also, note that your data throughput is likely measured in KBps (Kilobytes per second), not Kbps (kilobits per second).   For example, Windows reports KBps.  Due to protocol overhead, it takes about 10 bits of connection speed to send one byte of data.  Thus a wired 270 Mbps connection could send a maximum of about 27 MBps of data, while a wireless connection is likely to max out at about 8-12 MBps.
There are many causes for poor wireless connections, and many solutions:
First of all, give your network a unique SSID. Do not use "linksys". If you are using "linksys" you may be trying to connect to your neighbor's router. Also set "SSID Broadcast" to "enabled". This will help your computer find and lock on to your router's signal.
Poor wireless connections are often caused by radio interference from other 2.4 GHz devices. This includes wireless phones, wireless baby monitors, microwave ovens, wireless mice and keyboards, wireless speakers, and your neighbor's wireless network. In rare cases, Bluetooth devices can interfere. Even some 5+ GHz phones also use the 2.4 Ghz band. Unplug these devices, and see if that corrects your problem.
In your router, try a different channel. There are 11 channels in the 2.4 GHz band. Usually channel 1, 6, or 11 works best. Check out your neighbors, and see what channel they are using. Because the channels overlap one another, try to stay at least +5 or -5 channels from your strongest neighbors. For example, if you have a strong neighbor on channel 9, try any channel 1 through 4.
Also, try to locate the router about 4 to 6 feet above the floor, in an open area. Do not locate it behind your monitor or near other computer equipment or speakers. The antenna should be vertical.
Also, in the computer, go to your wireless software, and go to "Preferred Networks" (sometimes called "Profiles" ). There are probably a few networks listed. Delete any network named "linksys". Also delete any network that you do not recognize, or that you no longer use. If your current network is not listed, enter its info (SSID, encryption (if any), and key (if any) ). Then select your current network and make it your default network, and set it to automatic login. You may need to go to "settings" to do this, or you may need to right click on your network and select "Properties" or "settings".
If the above does not fix your problem, download and install the latest driver for your wireless card.
If you still have trouble, download and install the latest firmware for your router. After a firmware upgrade, you must reset the router to factory defaults, then setup the router again from scratch. If you saved a router configuration file, DO NOT use it.
Hope this helps.
Message Edited by toomanydonuts on 09-24-2007 11:26 PM

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    First of all, Speedbooster is a software enhancement to the router.  It does not change the basic wireless g connection speed of 54 Mbps.  The Speedbooster enhancement is supposed to give you a 10 to 20% boost in data throughput.  In order to get the full benefit, both the router and your wireless adapter must have Speedbooster.  If only the router has it, you still get a benefit, but not as much.
    Under ideal lab conditions (read:  not in an ordinary home)  a wireless g system can deliver as much as 20 to 25 Mbps of data.  Most home users get substantially less.   Most home users are happy if they can get 50% of their wired speed  (in your case, 50% of the 17 Mbps).  Some have achieved as much as 80% of their wired speed.
    Its possible that 6 Mbps might be all that your system will be able to do, but I would suggest that you try a few adjustments and see if you can improve it.  Here are my suggestions:
    First of all, give your network a unique SSID. Do not use "linksys". If you are using "linksys" you may be trying to connect to your neighbor's router. Also set "SSID Broadcast" to "enabled". This will help your computer find and lock on to your router's signal, and this can give a slight performance gain.
    Poor wireless connections are often caused by radio interference from other 2.4 GHz devices. This includes wireless phones, wireless baby monitors, microwave ovens, wireless mice and keyboards, wireless speakers, and your neighbor's wireless network. In rare cases, Bluetooth devices can interfere. Even some 5+ GHz phones also use the 2.4 Ghz band. Unplug these devices, and see if that corrects your problem.
    In your router, try a different channel. There are 11 channels in the 2.4 GHz band. Usually channel 1, 6, or 11 works best. Check out your neighbors, and see what channel they are using. Because the channels overlap one another, try to stay at least +5 or -5 channels from your strongest neighbors. For example, if you have a strong neighbor on channel 9, try any channel 1 through 4.
    Also, try to locate the router about 4 to 6 feet above the floor, in an open area. Do not locate it behind your monitor or near other computer equipment or speakers. The antenna should be vertical.
    Also, in the computer, go to your wireless software, and go to "Preferred Networks" (sometimes called "Profiles" ). There are probably a few networks listed. Delete any network named "linksys". Also delete any network that you do not recognize, or that you no longer use. If your current network is not listed, enter its info (SSID, encryption (if any), and key (if any) ). Then select your current network and make it your default network, and set it to automatic login. You may need to go to "settings" to do this, or you may need to right click on your network and select "Properties" or "settings".
    If the above does not fix your problem, download and install the latest driver for your wireless card.
    If you still have problems, try the following:
    For wireless g routers, try setting the "Transmission Rate" to 54 Mbps. For wireless n routers, try setting the "n Transmission Rate" to 162 Mbps, and the (wireless g) "Transmission Rate" to 54 Mbps.
    If you still have trouble, download and install the latest firmware for your router. After a firmware upgrade, you must reset the router to factory defaults, then setup the router again from scratch. If you saved a router configuration file, DO NOT use it.
    Hope this helps.  Please let me know your results.
    Message Edited by toomanydonuts on 11-29-2007 02:35 AM

  • Connection Speed

    Hi All,
    Had some issues with my broadband router, replaced it and it's been stable for quite a few days.  Prior to the instability I was getting 4.5mb download, but now it's stuck at 2.2, and has been for the last 91 hours.
    Speedtest shows my ip profile at 2mbps, want to know the best way of getting that profile back where it was. 
    I saw on some other posts you can email the forum mods and they will assist, that might be my best option, but thought I would post statistics here just to confirm what I am saying.
    I'm 99.9% happy with my setup at home, and have done the various tests to confirm it's not something I am doing, think the previous router going bad caused the issue.
    Some screenshots attached of my speedtest results, and the stats from the router.
    Jason
    Solved!
    Go to Solution.

    your connection speed is being restricted by an increased noise margin caused by the earlier router problems you need to maintain a stable connection for up to 10 days and your noise margin will start to drop automatically and your speed increase
    If you want to say thanks for a helpful answer,please click on the Ratings star on the left-hand side If the reply answers your question then please mark as ’Mark as Accepted Solution’

  • Reader Preferences-Internet-Connection Speed: What does this do?

    Can someone explain what exactly this setting controls or manages? When I search I see different mentions of what this setting controls, from only controlling multimedia to controlling how fast the .pdf actually opens.
    The latter makes no sense; why would you throttle how fast a .pdf opens via this setting? At least managing multimedia makes sense, as that could control the quality of the media being downloaded. Faster speed = bigger better video file, etc.
    Regardless, I have a request to make a Group Policy change for thousands of users to set this from the default of 56K to LAN, and I want to understand what this setting actually manages, and what the ramifications of making this change are for all users.
    What happens if I set it to LAN for all users then someone is in a remote region of the world and only working on dial-up? It does still happen!
    Using Reader 11 on IE8 and IE9 on Windows 7 64 bit.
    Thanks!

    jlaqua2 wrote:
    Can someone explain what exactly this setting controls or manages? When I search I see different mentions of what this setting controls, from only controlling multimedia to controlling how fast the .pdf actually opens.
    The latter makes no sense; why would you throttle how fast a .pdf opens via this setting? At least managing multimedia makes sense, as that could control the quality of the media being downloaded. Faster speed = bigger better video file, etc.
    Regardless, I have a request to make a Group Policy change for thousands of users to set this from the default of 56K to LAN, and I want to understand what this setting actually manages, and what the ramifications of making this change are for all users.
    What happens if I set it to LAN for all users then someone is in a remote region of the world and only working on dial-up? It does still happen!
    Using Reader 11 on IE8 and IE9 on Windows 7 64 bit.
    Thanks!
    Can someone explain what exactly this setting controls or manages? When I search I see different mentions of what this setting controls, from only controlling multimedia to controlling how fast the .pdf actually opens.
    It controls the enabling or disabling of certain "caching" for large PDFs or those that contain multimedia, which load slower on dial up connections. It has NO BEARING WHATSOEVER on opening local PDFs.
    Regardless, I have a request to make a Group Policy change for thousands of users to set this from the default of 56K to LAN, and I want to understand what this setting actually manages, and what the ramifications of making this change are for all users.
    That would all depend on what the ACTUAL connection is for those users. IF they're all on a LAN, then it would be OK to set LAN as the default in deployment.
    What happens if I set it to LAN for all users then someone is in a remote region of the world and only working on dial-up? It does still happen!
    Then the end user would need to go in and reset it to "Dial up".
    FWIW - The reason it's set to Dial up by default is that ANY connection speed faster than 56k will still work with this setting. The reverse isn't so. If someone has their connection set to LAN and they're on dialup, a large ddocument will take forever to load in a browser window, because things like preloading images and media are enabled and not cached under the LAN setting, and with dialup, the PDF will need to load all that content AS IT DOWNLOADS, likely leading to a browser "lockup".

  • Ridiculous Connection Speeds

    Hi All,
    Following issues with line noise which have gone since removing the front plate from my OpenReach master socket and plugging directly in there, I now have an issue with really poor latency and speeds. I don't want to have to restart the HH3 as it's been up for over 3 days now (a record) which is strange as the HH3 shows uptime of 2days 4hrs - last IP change was 26/4 15:33.
    Speedtest
    IP Profile = 2Mb
    Download Speed = 0.3Mb
    Upload Speed = 0.12Mb
    Latency = 432ms
    ADSL Stats
    Connection Information
    Line state: Connected
    Connection time: 2 days, 03:55:18
    Downstream: 2.212 Mbps
    Upstream: 1.094 Mbps
    ADSL Settings
    VPI/VCI: 0/38
    Type: PPPoA
    Modulation: G.992.5 Annex A
    Latency type: Interleaved
    Noise margin (Down/Up): 28.1 dB / 6.7 dB
    Line attenuation (Down/Up): 31.1 dB / 18.3 dB
    Output power (Down/Up): 17.9 dBm / 12.7 dBm
    FEC Events (Down/Up): 0 / 0
    CRC Events (Down/Up): 24 / 1268
    Loss of Framing (Local/Remote): 0 / 0
    Loss of Signal (Local/Remote): 0 / 0
    Loss of Power (Local/Remote): 0 / 0
    HEC Events (Down/Up): 4 / 7450
    Error Seconds (Local/Remote): 63 / 22872
    Do the line stats make any sense? Could this be a HH3 issue? Am I just expecting too much?
    Can anybody point me in a direction that will help me solve this as this has been a rather black comedy since the install on 4/4 - especially as I have to pay for this.
    Cheers,
    Ian

    Hi klinkenhoff,
    Your IP Profile would be about 2mbps as it's 88.2% of your current connection speed which was 2.212 Mbps from your last set of adsl stats.
    Your throughput speed is the speed you experience when using the Internet and is also the speed which speed test websites use.
    Your throughput speed will be slightly slower than your IP Profile and can be effected by how you connect to your router/home hub such as Wifi or Ethernet and also network traffic and congestion.
    So:
    1) Your connection speed is the speed which your homehub/router and the local exchange is connected at.
    2) Your IP Profile is a speed limit applied to your broadband service by the local exchange. Its purpose is to ensure the exchange doesn't 'overload' your broadband service by sending more data down your phone line than it (or your BT Home Hub, router or modem) can physically handle. 
    As your on ADSL2+ your IP Profile will always be 88.2% of your connection speed.
    3) Your throughput speed is the speed you experience when using the Internet and is also the speed which speed test websites show, it can be effected by how you connect to your router/home hub such as Wifi or Ethernet and also network traffic and congestion
    Hope that makes sense.
    Cheers
    I'm no expert, so please correct me if I'm wrong

  • Help : very slow connection speed with AEBS and iMac

    I connect to the internet using my newly purchased AEBS. I have a MacBook and an 24" iMac ( purchased in Nov 2007). My iMac showed very slow connecting speed of <1 MB/s download; with my MacBook placed just 1 foot from my iMac, the MacBook showed an amazing download speed of 20MB/s. If i connect the iMac to the AEBS using ethernet cable, it can get a very high speed.
    So, where is the problem??
    I am new to wireless, please help. I use iMac more than my MacBook at home.
    Actually, i did not touch the any of the advance setting of the AEBS.

    You know, I am experiencing the same problem. My wife's PC and iPhone are blazing fast, but my MacBook is accessing the internet at about dial-up speeds. Very frustrating and I haven't yet found the culprit.
    Anyone???

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