Band Scanning Prioritization via Probable Location
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Solution Overview
Problem
Current band scanning methods in mobile communications devices are inefficient, leading to prolonged connection times, especially after intercontinental travel, as they prioritize frequency bands based on the device's home area or SIM card information, which can result in unsuitable scan orders and delayed network reconnection.
Innovation Solution
A method that retrieves and uses present time and intended location information to determine a probable location, allowing the modem to prioritize band scanning, thereby reducing the time to connect to a suitable cellular network by associating frequency bands with specific locations, such as continents, countries, or cities, and incorporating information from previous networks and SIM card data for optimized scanning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If a predefined band scan order based on home area is used, then connection time is reduced in home area, but connection time increases after intercontinental travel
Solution Approach 1:
The band scan order is made dynamic by retrieving current location information from GPS or network location services and application software, then determining the probable location based on present time and intended location. The system adapts the scan order in real-time based on the determined location, ensuring optimal connection times whether the device is in home area or after intercontinental travel.
Solution Approach 2:
The system retrieves location information from application software and uses this feedback to dynamically adjust the band scan order. By continuously monitoring location data and updating the scan prioritization accordingly, the system ensures optimal performance across different geographic contexts without requiring manual reconfiguration.
2Adaptability or versatility
If a random band scan order is used, then adaptability to different locations is improved, but connection time becomes unpredictable
Solution Approach 1:
The system performs preliminary actions by retrieving location information and determining the probable location before initiating the band scan. By pre-processing location data and establishing the scan order in advance based on the determined location, the system eliminates randomness while ensuring adaptability, resulting in predictable and optimized connection times.
3Adaptability or versatility
If SIM card based band scan order is used, then adaptability to operator networks is improved, but connection time increases when home area bands are prioritized
Solution Approach 1:
The system applies local quality by prioritizing frequency bands specific to the determined location rather than using a uniform SIM card based order. By retrieving location information and determining the probable location, the system tailors the band scan prioritization to the local geographic context, ensuring that location-appropriate bands are scanned first while still maintaining operator network adaptability.
Data Source
AI summary
The disclosure relates to a method for providing band scanning prioritization in a mobile communications device, the mobile communications device (100) being associated with a user, the method (200) comprising: retrieving (202), in a communication entity (106) information pertaining to present time and intended location of the user at a specific time from an application entity (104), determining (204), in the communication entity (106), a probable location of the mobile communications device (100) taking into account the information pertaining to present time and intended location of the user at a specific time, and performing in the modem entity (102) and/or the communication entity (106) (208) a band scanning prioritization taking into account the probable location of the mobile communications device (100). The disclosure also relates to a mobile communications device (100).