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Questions tagged [signal-strength]

155 questions
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Fingerprinting using Wi-Fi strength signal

I'm working on how to determine distance with the Wi-Fi signal strength, from this article: Indoor Position Detection Using Wi-Fi and Trilateration Technique. How can I do this method? What is the meaning of offline and online phase in this context?…
Amina
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Measuring Signal Strength from wifi to Iphone/Ipad

I want to get the current Wifi signal strength from an iOS device. A Google search reveals only solutions for Android devices. From the literature I gather that Apple does not allow to access hardware and so nobody can retrieve the device's signal…
Xylo_matic
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Android, getting strength signal (PhoneStateListener) while device in sleep mode

I have problem and after some search I have not found any positive solutions. After research I have idea that there is not implementation for my problem but this question may be is my last chance. What do I need to get? There is application that…
Ilya Demidov
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getGSMSignalStrength() Always Returns 99

I know there is another question on here relating to this, but I don't think it applies to me, as I'm pretty sure I use GSM (isGSM() returns true). In any case, getCdmaDbm returns -1 for me anyway. I am using Android 4.1.1 and an HTC One X. Here is…
John Roberts
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Android - Signal Strength in Level, DBM, and ASU

I am currently writing an application for a client who wants to gather data regarding the signal strength at set intervals. Currently I am using this code: private static class MyPhoneStateListener extends PhoneStateListener { @Override public…
Aelexe
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Getting CID, LAC and signal strength of all cell towers in range

Currently I am trilaterating my Android with the cells in my network. It is even more accurate than I thought it would be. But not as accurate as I want it to be. So I want to involve more towers than I get from getNeighboringCellInfo. I want to get…
albrechtATnetzfactor
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Display Android's getGsmSignalStrength() value in percentage

According to the corresponding dBm values of getGsmSignalStrength(), the scale appears to be linear. (See dBm values here). But I've observed that in almost all applications, this scale is not used as linear scale. For example consider Android's…
PC.
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Is there any API in Android that measures the Bluetooth signal strength?

Is there any API in Android that measures the Bluetooth signal strength?
Zidannn
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How often to poll wifi signal strength?

Ideally I would like to monitor the signal strength of a wireless network in near real-time, say every 100ms, but such a high frequency is probably overkill. I'm using the Managed Wifi library to poll RSSI. I instantiate a WlanClient client = new…
Petrus Theron
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Get CellID, MCC, MNC, LAC, Signal strength, quality and Network in iOS 8.3

How to get cell id using private apis in ios 8.3 as previous core telephony private apis are not working in latest ios sdk 8.3.
Pooja Maha
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Android RSSI value of Bluetooth returns -32768 always?

I am trying to get the current RSSI value of a connected bluetooth device at the click of a button. However it returns only -32768 always! Don't know what is wrong! However I was able to get the correct RSSI, the first time it got connected. private…
emil
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How to detect slow internet connection in android app

I want to detect if a phone has a slow internet connection or high-speed internet. Now they have deprecated NetworkInfo and suggesting that we should use ConnectivityManager#getNetworkCapabilities using this I am able to get the signal strength but…
Harsh Shah
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Calculating distance between 2 devices using hotspot

I'm trying to calculate the distance between 2 devices using various methods with the given limitations: Speed is a huge factor, therefore, authentication / handshake process is a bad idea Must be valid for at least 20 meters I've so far came with…
igal k
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Getting Signal Strength RSCP and Ec/Io from a phone served by a HSPA network

I am trying to capture Signal Strength and Ec/Io from my Android app on a phone that's on at&t network. When a phone is being served on WCDMA / HSDPA network, the pertinent RF measurements are RSCP and Ec/Io. How do I obtain the current RSCP and…
Dillon Jay
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Wifi Scanner for iOS8

How do i find out the Wifi signal strengths(RSSI) in iOS8 ? I know that Apple restricts apps from accessing the Wi-Fi data/API directly and will not be accepted in AppStore. I found a private API called Stumbler which is supposed to be doing the…
Rashmita
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