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Issue 817102 link

Starred by 1 user
Status: Fixed
Owner:
tbansal@chromium.org
Closed: Mar 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Android
Pri: 3
Type: Bug



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Cached network quality may not be indexed by signal strength in all cases

Project Member Reported by tbansal@chromium.org, Feb 27 2018 
Currently, Network Quality Estimator (NQE) queries signal strength on cellular network on certain events. If the signal strength is available, then it is used as a key when storing the network quality on the disk. 

However, NQE does not query the signal strength if |rssi_weight_per_signal_strength_level| is set to a value >=1.0. The default of this variable is 1.0, which prevents NQE from querying thwe signal strength and using it as a key.

The default value of |rssi_weight_per_signal_strength_level| should be changed to a value less than 1.0.
Project Member

Comment 1 by bugdroid1@chromium.org, Mar 1 2018 

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/1221a49b85e0b6b9c99699f60076045bdacd8dea

commit 1221a49b85e0b6b9c99699f60076045bdacd8dea
Author: Tarun Bansal <tbansal@chromium.org>
Date: Thu Mar 01 03:45:47 2018

Set the default RSSI multiplier to a value less than 1.0

Setting the default RSSI multiplier to a value less than 1.0
allows network quality estimator (NQE) to query signal strength
and index cached network quality by signal strength.

Bug:  817102 
Change-Id: Ia507f381660ead29cfff8263415618f14e44eeb4
Reviewed-on: https://chromium-review.googlesource.com/940274
Commit-Queue: Tarun Bansal <tbansal@chromium.org>
Reviewed-by: Ryan Sturm <ryansturm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#540027}
[modify] https://crrev.com/1221a49b85e0b6b9c99699f60076045bdacd8dea/net/nqe/network_quality_estimator_params.cc

Comment 2 by tbansal@chromium.org, Mar 1 2018

Status: Fixed (was: Started)
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