Samsung Moment :: Signal Strength Apply To Data Signal Or Just Voice Signal?
Nov 4, 2009
I want to reach out to others here before I take my Moment back to Best Buy to exchange it for another Moment.
My signal strength fluctuates wildly just sitting in the same spot. With the Hero I got a constant 5 of 6 bars, but the Moment will vary between 0 and 5 of 6 bars. But it's more complicated than that.
It seems that whenever the EVDO data kicks in, it causes the signal strength to drop to 0 or 1 bar. Once the data is idle, the EVDO indicator turns grey and then changes from EV(^v) to EV(D). At that point the single strength will return to 3 or 4 bars.
At times, though not as consistently or often, the EVDO connection will fall back to 1xRTT and will switch between them every few minutes. This will occur even when the signal strength bars are in the 3 to 4 range.
So, the my questions are...
Does the signal strength apply to the data signal or just the voice signal?
Is there any legitimate reason for the signal strength to vary wildly like I've described, even when sitting in the same recliner where the Hero had a constant 5 bar connection and data service that never wavered?
Is anyone else having signal strength and/or data service issues?
Should I exchange the Moment for another Moment or will I likely experience the same issue?
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Jan 6, 2010
I'm writing an android application that collects cell signal strengths. I am having trouble getting the "current" cell signal strength, but I don't have any problem getting the "neighboring" cell signal strengths. To get the current cell signal strength, I created a PhoneStateListener and implemented the onSignalStrengthChanged callback. It works, but not very well. It seems like the signal strength hardly ever changes, and resolution jumps to only a few numbers. I would accept the answer that the resolution of the signal strength hardware is coarse, but when I use the TelephonyManager's getNeighboringCellInfo() method, it works much better. The signal strength readings from neighboring cells change frequently, and they have much better resolution.So, how can I get the current cell signal strength in the same way that I am getting the neighboring cell strengths? It seems odd to me that the functionality of the neighboring cells is better than the current cell. Am I missing something here?I would also like to directly call a method from the telephony manager to get current cell strength, as opposed to a listener, if possible. If anyone knows how, please let me know.
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Nov 21, 2010
I know that it's possible to determine the data connection type (WIFI/or cellular) through Android, but is it possible to determine the cellular connection type and strength?
I have an app that downloads some images and I have found that on GPRS or on 3G with weak signal that this download process slows up the app unacceptably. What I want to do is say that if you have either WIFI or a strong and fast data connection then download; otherwise display a default placeholder image.
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Apr 18, 2010
I'm writing an app to monitor detailed radio data coming off the phone that I'm sending back to my own server that is collecting this information from a number of different devices. The purpose is to analyze the data from all devices, and generate a kind of "real-time network coverage" pattern.
The data I'm looking for is "Eb/No". From what I understand this is interchangeable with the term "Ec/Io". My first approach lead me to the new Signal Strength (http://developer.android.com/reference/ android/telephony/SignalStrength.html) support in Android 2.1. This is great, however you can only get Ec/Io values for "CDMA" and "EVDO" networks. My problem is that I'm on ATT, where I'm "WCDMA".
I was hoping Android would give me the "CDMA" values from Signal Strength changes (since "WCDMA" is somewhat similiar to "CDMA"), however the update has the gsm flag set to true, and it's giving me values for the gsm signal strength and gsm bit error rate instead.
For example, in my PhoneStateListener:
CODE:....................
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Nov 23, 2009
Is anyone else seeing this behavior?right before I make a voice call the droid will show 4 bars, when I place a voice call it will drop to 0 bars and the voice quality is pretty bad.In the phone settings you can see the DBm signal strengh and before I make a call it will show -96 and when I make a call it will go to -104.I have noticed this even when right on top of a cell tower.You actually don't notice it when the signal is very strong, but on my droid it does appear that the signal degraded significantly when doing a voice call.It also does the same thing when the Wifi is turned on, it's almost like it's switching to another antenna for the voice when wifi is on or you make a call.So far I have not been impressed with the phones voice quaility at all.
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Aug 17, 2010
Some professional reviews (engadget and phonescoop) have noted signal strength issues with the Droid 2. For example, see:
Review: Motorola Droid 2 : The Three S's (Phone Scoop)
Particularly for those who have/had other Verizon phones, have you noticed any signal strength problems, trouble with calls, or slow data?
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Sep 9, 2010
Could any of you please comment on their Wi-Fi signal characteristics? I average "1 bar" unless I am right next to my wireless router, at which point it displays full strength connection Interestingly there is no significant difference when I run a bandwidth speed test (speedtest.net).
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Sep 14, 2010
I believe there is a bug in the signal strength indication on the Fascinate, the one that shows the signal strength in -dBm. You can see the signal strength of the cell signal on the Menu, Settings, About, Status screen. Or you can place a widget on your Home screen. There are several widgets available, I'm using Mobile Signal Widget.I have a network extender, which basically creates a cell tower right in your home. With my Motorola Droid, I used to get signal strengths down to about -50 something and 60's in indicated signal strength. I can hold both of our Fascinates right next to the network extender's antenna and they will read no better than -86 dBm. So far I've seen signal strengths from -86 dBm to -106 dBm (terrible).I believe there is a bug in the software (Baseband) on the Fascinate. Previously, I thought the hardware (antenna/radio) wasn't very good, but now it may be software related. Has anyone seen a signal strength stronger than -86 dBm on the Fascinate?
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Jul 26, 2010
I couldn't help but notice that the signal strength of my new Captivate was kinda weak. Holding it side by side to my brother's iPhone 4 I had three bars (usually 2), while my brother has a full five bars. I know it can be any number of things, but I feel that it's probably something like the GPS, where it needs some sort of fix.I was just wondering if anyone had a similar problem, or have any ideas of how to fix it.
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Aug 24, 2010
I just traded in my Captivate earlier today, and maybe its my imagination, but I think my signal strength is weaker than the last phone. Maybe It just needs to warm up, or maybe I've elevated the last phone in my memory, but I seem to be getting less bars, even in open areas.
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Sep 19, 2010
So.. I recently left my large metro area.. and traveled to another just as large metro area 2 hours away. Let me tell you how disappointed I was with my signal strength.
I never got above -86dbm.. and that was standing right next to the tower. My phone just peaked at four bars a few times.
I had to *228 once I got to my destination because I had zero service inside.
On the drive home.. it was the same. Signal strength just sucked.
Is this the phone compensating in some way.. or does the reception on this phone suck that much?
In my metro.. I average 1-2 bars.. -106 - -96 dbm
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Oct 21, 2010
Like the title says, what is everyone's signal strength (settings/about phone/status) and have you been experiencing any mobile network issues at this level?
My signal hovers between -96 dBm and -101 dBm and have had network problems beyond belief. Moto droid sitting directly beside my fascinate typically is ten points better at -86 dBm through -91 dBm with zero network problems.
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Sep 25, 2010
I can get a few minutes of 4G signal at my home per day, but when it drops out and 3G takes over, the signal will flatline and boot me offline. My 3G speeds are usually around 56-150Kbps or less, and my 4G speeds are around 2.5 Mbps What would cause this ? According to WiMax location sites online, my nearest 4G tower is .52 mile away. I would think that if I actually get 4G signal, then 3G would be constant. Turning off 4G doesn't help either. Is there some setting that I could have turned off that would cause this ? Running stock EVO on 2.2 all the latest updates
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Jul 10, 2009
How can i get the gps signal strength and the number of satellites. im using android 1.1 sdk.
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Aug 26, 2010
I want to find the signal strength of GSM network. but not found any method in 1.5 sdk version is there is any alternative available to find the signal strength.
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Jul 17, 2010
I'm guessing that the GPS hardware in most Android phones is the same or close. If it makes a difference I have the Moto Cliq XT.I'm going hiking tomorrow and will be using Google's My Tracks program. I've tried it twice... the first time I could not get a signal despite being out in desert with nothing to block the signal. Next time I was in the mountains and once I had a signal, it was rock solid. Worked like a charm. But I did not want to take a chance and held it in my hand the entire time. I'm wondering if anyone has tried it while the phone was in their pocket. Any issues with sat lock on? This would be much easier. I also can't imagine that you'd not be able to use GPS while the phone was in your pocket as it's not really possible to have it in your hand all of the time.
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Sep 19, 2010
In an attempt to conserve my battery I've been switching between GPRS & 3G. I only switch 3G on when I need it e.g. browsing the web. Sometimes though, depending where I am, the GPRS signal is better than the 3G so I end up switching back. Is there an app that will show 3G signal strength?
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Jul 1, 2010
Not sure if this question has already been answered but will there ever be a fix to the signal strength issue?
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Sep 1, 2010
I just updated to 2.2, but I noticed the Verizon network signal is weaker. I used to be able to use 3G connection at my desk at work, but after the update, I cannot receive any 3G signal at the same location. Does anyone have any idea?
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Jun 6, 2010
I don't know if this is because of Sprint or the EVO but in my house I barely get 1 bar of signal and people can barely hear me on the other end of the call. This is my first Sprint phone so I don't know if it is the service or not. I came from ATT and never had these issues with my iPhone before. I am a little concerned about whether I exchange phone or am I going to just have to give up on Sprint.
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Nov 18, 2010
I want to know the FM Radio signal strength in Android. For this I have to interact with hardware or not? Or is there any API which can directly give me the value of signal strength?
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May 5, 2010
Is there a way to return the GPS signal Strength? Thank you for your input You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscribe@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
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May 15, 2010
Just wondering if I'm setting myself up for excessive battery drain on a DROID given my signal at the house. I'm testing this by looking at the status screen of my VZW blackberry My neighbor next door has a 3g ATT blackberry - he's getting -70 (solid) in my home.
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Jun 9, 2010
The wifi indicator sometimes only show 1bar. Meanwhile i sitting maybe 10 feet away from my modem/router. Speed test shows me getting 3200 kbps down and 1200 kbps up.With two bars I am getting 8700 down and 2400 up. I never get 3 bars. Any analysis of these numbers? Are they typical? Anything I can do to achieve 3 bars?
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Dec 5, 2009
since i had a big problem just now with messing around with things to try to get signal strength better. i was wonder. whats considered the best or great signal strength i dont mean in bars i mean in the numbers like in the settings area.
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Mar 8, 2010
I have just got hold of a Tattoo on the Vodafone network and i am finding that at times the signal strength is very poor.
I am finding that in places i used my previous phone and had a good signal that the signal is dropping out or there is no signal at all.
This is very frustrating as whats the point in having a decent phone and not being able to use it?
Normally the Vodafone network signal is very good.
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Jun 14, 2010
Just downloaded "Real Signal" from the market and am trying to understand what the numbers mean. Tried searching here, no luck. Can someone point me to a good thread or a resource to help me understand what the #s mean? At home I get 2 bars and the battery lasts and lasts, at work I get 0 to 1 bar and the phone hunts for a signal, making the back of the phone very warm to the touch, eating battery like there's no tomorrow. I have it on 'airplane mode' right now but that sort of defeats the purpose of having it, might as well turn it OFF.
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Jan 14, 2010
I am trying to figure out how to get the current signal strength of the Android 2.1 device. So far I can only find access to the SignalStrength object if I am listening for a change. I don't want to have to wait for the strength to change in order to see what the strength is.
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Aug 23, 2010
How to measure GPS signal strength?
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Oct 28, 2010
How can we get network signal strength in android 1.6
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