Communication Processor Dual Connectivity Band Selection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Electronic devices face challenges in supporting EN-DC service when camping on or handing over to LTE cells that do not support dual connectivity, leading to inconsistent network performance and service disruptions.
Innovation Solution
The electronic device is equipped with a communication processor that stores information about bands supporting dual connectivity and performs measurements and cell reselections based on these criteria, prioritizing bands that support EN-DC to ensure seamless connectivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the electronic device camps on an LTE cell that does not support EN-DC, then the device can establish initial connection, but EN-DC service cannot be provided
Solution Approach 1:
The electronic device performs measurements on bands supporting dual connectivity before camping on a cell, and proactively selects and camps on cells that support EN-DC. This preliminary action ensures that the device is already positioned on an EN-DC capable cell when connection is established, preventing service disruption later.
Solution Approach 2:
The device continuously monitors measurement results of bands supporting dual connectivity and uses this feedback to make informed cell selection and handover decisions. The measurement feedback loop enables the device to identify and transition to EN-DC capable cells, ensuring service availability.
2Reliability
If the electronic device hands over to an LTE cell that does not support EN-DC, then handover can be completed, but EN-DC service is lost
Solution Approach 1:
The electronic device performs measurements on bands supporting dual connectivity before handover is triggered, and identifies suitable target cells that support EN-DC in advance. By preparing measurement results beforehand and pre-identifying suitable target cells, the device can execute handover to an EN-DC capable cell without service interruption.
Solution Approach 2:
The device uses measurement feedback of bands supporting dual connectivity to guide handover decisions. By continuously monitoring measurement results and comparing them against EN-DC capability requirements, the device can determine when to initiate handover to maintain EN-DC service continuity.
3Loss of information
If the device performs measurements on all bands, then complete network information is obtained, but power consumption increases
Solution Approach 1:
The electronic device extracts and focuses measurements only on bands that support dual connectivity, excluding bands that do not support EN-DC. This selective measurement approach obtains the necessary network information for EN-DC operation while significantly reducing power consumption compared to measuring all bands.
Solution Approach 2:
The device applies different measurement strategies to different bands: it performs detailed measurements on bands supporting dual connectivity while skipping or minimizing measurements on bands that do not support EN-DC. This localized quality approach ensures complete information for EN-DC operation while optimizing power consumption.
Data Source
AI summary
An electronic device is provided. The electronic device includes at least one communication processor configured to support a first network communication and a second network communication, and a memory configured to store information about at least one first band supporting dual connectivity for the first network communication and the second network communication among a plurality of bands which correspond to the first network communication supported by the electronic device, and the at least one communication processor may be configured to camp on a first cell supporting the first network communication, after camping on the first cell, perform a measurement on at least some of the at least one first band among the plurality of bands in an idle state, and perform a cell reselection based on a measurement result for the at least some of the at least one first band. Herein, a measurement on a remaining band except for the at least one first band among the plurality of bands may not be performed.