Primary Band Selection for Carrier Aggregation Demands

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Solution Overview

Problem

Current communication devices do not consider their own band support and ENDC capabilities when selecting the best primary band, leading to inadequate support for bandwidth/latency demanding applications, resulting in delayed handovers and reduced user experience.

Innovation Solution

A communication system and method that proactively select and camp on a primary band in idle mode, based on predicted activation of demanding applications, by determining communication demand requirements and identifying suitable combinations of primary and secondary bands that support carrier aggregation or dual connection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If the default selection procedure is used to select a primary band, then the device can quickly establish a data connection with the strongest signal strength, but the selected primary band may be inadequate for bandwidth/latency demanding applications

Engineering Contradiction:
Improveconnection establishment speedVSAvoidcommunication demand requirement satisfaction
Core Design Contradiction:
SpeedVSReliability

Solution Approach 1:

The patent applies preliminary action by proactively determining communication demand requirements and identifying suitable primary band selections before a data connection is actually needed. The system evaluates application characteristics, predicts communication demands, and pre-selects appropriate primary bands during idle mode, so that when a demanding application activates, the device is already prepared with the correct primary band configuration, avoiding both connection delays and inadequate performance.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If the device selects a primary band with the strongest signal strength, then connection establishment is fast, but the selected band may not support sufficient data throughput or low latency for demanding applications

Engineering Contradiction:
Improvedata throughputVSAvoidhandover delay
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The system performs preliminary evaluation of communication demand requirements by analyzing application characteristics and predicting whether high data throughput or low latency will be needed. Based on this prediction, the device proactively selects an appropriate primary band during idle mode that can support the anticipated demands, eliminating the need for time-consuming handovers when the application activates.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent changes the selection parameters from simply signal strength to a comprehensive evaluation that includes communication demand requirements, application characteristics, and network conditions. This parameter change enables the system to select primary bands that optimize both data throughput and latency based on actual application needs rather than just signal strength.

Inventive Principle:
Principle #35Parameter changes

3Device complexity

If the device does not consider its own band support and ENDC capabilities during primary band selection, then the selection process is simple, but the selected primary band may be wholly inadequate for application requirements

Engineering Contradiction:
Improveselection procedure complexityVSAvoidband support adaptability
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent implements self-service by having the device automatically evaluate its own band support capabilities and ENDC (Evolved Universal Terrestrial Radio Access Network New Radio Dual Connectivity) capabilities during the primary band selection process. The system retrieves its capability information, combines it with communication demand requirements, and autonomously determines the most suitable primary band without requiring external configuration or manual intervention.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS12284667B2User communication system that determines carrier aggregation or dual connect communication demand requirement for primary band selection
Publication Date: 2025.04.22 MOTOROLA MOBILITY LLC
  • US12284667B2 patent drawing
  • US12284667B2 patent drawing
  • US12284667B2 patent drawing

AI summary

A communication system, a method, and a computer program product provide selecting and camping on primary band in idle mode in preparation for supporting a data connection for demanding application(s) to a network system. Preparation includes determining a communication demand requirement associated with the at least one application comprising at least one of data throughput greater than a throughput threshold and data latency less than a latency threshold. The communication system identifies, selects, and camps on the primary band in preparation for activation of the at least one application and configures the RF communication subsystem to use the at least one secondary band in preparation for activation of the at least one application and for establishment of the data connection with the communication network to operate in at least one of carrier aggregation mode and dual connection mode to satisfy a communication demand requirement.