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Thread: android-wifi-tether + AutoAP -- Always available internet?

  1. #1
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    android-wifi-tether + AutoAP -- Always available internet?

    For the number of people I regularly come across with android devices these days, and the more technically inclined people I find who use them, I'm surprised to find this section of the forums as empty as they are.

    Anyhow thought Id share a concept I'm going to be implementing eventually in my car.

    I've got a home wifi mesh of many Linksys WRT54G and WAP54G wireless routers, I'm also in the process of adding a secondary wifi network of WRT160N routers for my Wireless-N devices. In setting up all these devices I'd stumbled across AutoAP, a script for DD-WRT routers to automatically connect to any available(successful) wifi internet connection and relay it's own connection. I'm not yet sure if it supports connecting to Ad-Hoc networks, since I haven't looked at it in a while. So the plan is to throw one of these in my car for my carPC to get online. Why is this android relevant?

    I've been grandfathered into an unlimited data plan with my AT&T Captivate(which gets great reception on my regular commute and in my office) and mixing that with the free(root required) android tether app "android-wifi-tether" gives me a free unlimited cellular data connection(confirmed that data transfer via this app is not detected as a tethering connection by watching my phone bill for a while and using it to specific monthly amounts) for the road. The idea after adding an AutoAP is to be able to sit down in the car, open the app and enable the wireless tethering connection and drive without having to press any other buttons. From there the AutoAP autoconnects to my newly formed Ad-Hoc wifi connection and the car is online able to do whatever I expect it to do. A dream would be to get the phone to automatically do this when it detects the car's bluetooth mac address is in range, then I don't have to do a damned thing at all.

    This is a small part of a larger setup I'm going to be working on to improve the automation and ability of my CarPC. Anyhow if anyone beats me to trying this idea out please let me know, I'll probably post something in time about my progress since this is going with a larger concept.

    http://www.dd-wrt.com/wiki/index.php/Autoap

    http://code.google.com/p/android-wifi-tether/
    Scion tC '05 - Installed --But still setting up varying features.
    Computer SW - Tiny7, RideRunner + Garmin

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    VegasGuy's Avatar
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    So the issue is that some Android phones only work as ad-hoc devices. I use the same tether on a DroidX and can auto-connect directly from the PC...no router required. The PC sees it as just another hotspot. For those looking into this, be sure to check and see how your phone shows up in the network connection list....you may get lucky.

    Cheers!

    VegasGuy

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    Quote Originally Posted by VegasGuy View Post
    So the issue is that some Android phones only work as ad-hoc devices. I use the same tether on a DroidX and can auto-connect directly from the PC...no router required. The PC sees it as just another hotspot. For those looking into this, be sure to check and see how your phone shows up in the network connection list....you may get lucky.

    Cheers!

    VegasGuy

    Are you using the Wireless Tether App that was around prior to Google releasing Froyo with it built in?
    When I use the Froyo tether, yea sure it shows up as a true AP with no issues. From what I've heard with friends with similar phones is that the Android Native Mobile AP setting in the phone settings section(not-the-third-party-app) is the way that the cellular providers can track tether transactions to charge for those 5GB(or whatever) a month bandwidth limits.

    I've seen this behavior(Ad-Hoc) first hand on:
    AT&T Captivate (Galaxy S)
    Tmobile Vibrant (Galaxy S)
    Verizon Droid
    Verizon Thunderbolt
    Sprint Evo 4G

    So I figured the app was to blame. I'll have to check if theres newer versions or whatnot and make sure it's still reporting as phone data and not tether data.

    Ad-Hoc - Wireless Tether App -- Not detected as tether data, not charged unless going over monthly alotment
    AP - Settings=>Wireless and Network=>Mobile AP=>Enable -- Detected as tethering data and charged if not part of plan or if going over monthly alotment
    Scion tC '05 - Installed --But still setting up varying features.
    Computer SW - Tiny7, RideRunner + Garmin

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    VegasGuy's Avatar
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    I'm using the same one you linked to. http://android-wifi-tether.googlecode.com
    I'm on a rooted DroidX and got it straight off the Market. May just be a feature of the phone that it shows as a standard AP rather than ad-hoc.

    VegasGuy55

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    Quote Originally Posted by VegasGuy View Post
    I'm using the same one you linked to. http://android-wifi-tether.googlecode.com
    I'm on a rooted DroidX and got it straight off the Market. May just be a feature of the phone that it shows as a standard AP rather than ad-hoc.

    VegasGuy55
    Hmmm guess I'll go track down the latest version and see what happens. I seem to not be able to see the app on the market, looks like AT&T has it flagged as a no-no lol
    But either way, the other advantage I was seeing with using the AutoAP router was I don't have to actively tell Windows 7 to connect to whatever network it finds, and at the same time when I have other wireless devices in the car/on the road near me(road trips, psps/nds) the whole caravan would have access to either one another and/or the (floating)internet connection.

    Edit: 4/3/2011 8PM
    Looks like there's AP support in version 3.0 Pre12 for the Galaxy S phones, but the 2.x versions only work as Ad-Hoc. It also flagged Froyo's MobileAP notification for a short bit and then that disappeared. As far as I can tell the data didn't get flagged as tether data... a bit uncomfortable seeing that MobileAP notification pop up but we'll see at the end of the month when the bill comes... lol
    Last edited by Zaephor; 04-03-2011 at 10:05 PM.
    Scion tC '05 - Installed --But still setting up varying features.
    Computer SW - Tiny7, RideRunner + Garmin

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    Im using a rooter DX also and used to use those tethering apps in the market but some time back I un-installed them and installed the 3G Hotspot patch from TBH and have been using it ever since. Im now on Gingerbread and it still works.

  7. #7
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    For the android auto turn on of the AP, look into Tasker.

    Sent from my Evo Shift using Tapatalk

    CarPC v2.5 up and running - all hardware installed, skin configured, and iG tweaked like crazy. Now for OBD-II, and voice control, and camera plugin, and... :nutz: - it never ends!

  8. #8
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    Droid X (and most other motorola droid devices, including the new bionic.. which i LOVE) can utilize ad-hoc OR infrastructure mode. This obviously is favorable in most scenarios.

    Samsung devices are not yet supported for both modes.

    I currently have always available internet by virtue or wifi tether and Tasker and my Verizon 4g LTE Droid Bionic. Tasker detects when my phone is connected to my car bluetooth receiver, and starts wifi tether. My win 7 machine is set to automatically connect to this connection when available. When i turn off my car, and disconnect from bluetooth, Tasker kills wifi tether, which DRASTICALLY reduces power consumption.

    Tasker is an app in the android market and is well worth the small price (i think 99 cents). It allows you to automate anything on your android device. I'd tell anyone in a 4g LTE area its worth it to upgrade too because under the WORST 4g conditions i'm still getting 15mbps down while driving. Goes as high as 45mbps!
    Last edited by Sonicxtacy02; 09-15-2011 at 08:34 AM.
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