Clock synchronization method, device, and system
US-2024421929-A1 · Dec 19, 2024 · US
Enhanced multiple SIM time tracking
US9014740B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9014740-B2 |
| Application number | US-201213481692-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 25, 2012 |
| Priority date | Dec 12, 2011 |
| Publication date | Apr 21, 2015 |
| Grant date | Apr 21, 2015 |
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Abstract
Official abstract text for this publication.
A technique for time tracking helps a mobile communication device with multiple SIMs to more accurately maintain synchronization with a base station. By utilizing synchronization information from both SIMs, the technique is able to more frequently and more accurately adjust timing information for each SIM. As a result, the mobile communication device exhibits an increased ability to accurately synchronize without the need for a higher precision reference or increased power consumption.
First claim
Opening claim text (preview).
What is claimed is: 1. A method comprising: changing from a first network active mode to a first network idle mode for a first subscriber identity module (SIM) network connection; while in the first network idle mode, compensating for inaccuracy in an idle mode time base, where the idle mode time base is less accurate than an active mode time base, by: determining a first phase timing error for the first SIM network connection; determining a second phase timing error for a se…
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Electricity · mapped topic
Electricity · mapped topic
- H04W56/0015Primary
Electricity · mapped topic
Electricity · mapped topic
- H04W56/00Primary
Electricity · mapped topic
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- What does patent US9014740B2 cover?
- A technique for time tracking helps a mobile communication device with multiple SIMs to more accurately maintain synchronization with a base station. By utilizing synchronization information from both SIMs, the technique is able to more frequently and more accurately adjust timing information for each SIM. As a result, the mobile communication device exhibits an increased ability to accurately …
- Who is the assignee on this patent?
- Sollenberger Nelson, Luo Wei, Qi Xiao-Feng, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H04W56/0015. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Apr 21 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).