MBMS Control Information Configuration via BCCH and MCCH Channels

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Solution Overview

Problem

Existing MBMS technologies face challenges in efficiently configuring control information for different air interfaces, leading to unnecessary signaling overhead due to the frequent changes in service requirements and differing needs between BCCH and MCCH channels.

Innovation Solution

Configuring MBMS control information by broadcasting MCCH configuration information through BCCH and sending MBSFN region configuration information through MCCH, allowing for separate configuration of information required for each channel, thereby meeting the distinct capability requirements of different air interfaces and reducing signaling overhead.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If uniform configuration method is used for both BCCH and MCCH channels, then configuration simplicity is maintained, but signaling overhead increases due to frequent service changes

Engineering Contradiction:
Improveconfiguration method simplicityVSAvoidsignaling overhead
Core Design Contradiction:
Device complexityVSLoss of substance

Solution Approach 1:

The patent segments the configuration information into two distinct types: MCCH configuration information (broadcast via BCCH) and MBSFN region configuration information (sent via MCCH). This segmentation allows each channel to receive only the configuration data relevant to its function, reducing redundant signaling overhead while maintaining configuration manageability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent applies local quality by tailoring the configuration information sent to each channel according to its specific requirements. BCCH receives MCCH configuration information for control channel management, while MCCH receives MBSFN region configuration information for multicast broadcast services. This localized configuration approach optimizes signaling efficiency for each channel's specific function.

Inventive Principle:
Principle #3Local quality

2Ease of manufacture

If uniform configuration method is used for both channels, then implementation ease is maintained, but performance requirements of different air interfaces cannot be met

Engineering Contradiction:
Improveimplementation easeVSAvoidair interface capability requirements
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The patent divides configuration information into separate segments for different air interface requirements. MCCH configuration information addresses BCCH channel requirements, while MBSFN region configuration information addresses MCCH channel requirements. This segmentation enables each channel to meet its specific performance requirements without compromising implementation ease.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements local quality by providing customized configuration information to each channel based on its specific air interface requirements. BCCH receives configuration optimized for system information broadcasting, while MCCH receives configuration optimized for multicast control. This approach maintains ease of implementation while satisfying diverse air interface capability requirements.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS10225820B2Method, apparatus and system for configuring multimedia broadcast multicast service (MBMS) control information
Publication Date: 2019.03.05 DATANG MOBILE COMM EQUIP CO LTD
  • US10225820B2 patent drawing
  • US10225820B2 patent drawing
  • US10225820B2 patent drawing

AI summary

The present invention discloses a method, an apparatus and a system for configuring Multimedia Broadcast Multicast Service (MBMS) control information, and the method includes: a network side apparatus broadcasts Multicast Control Channel (MCCH) configuration information to the terminal by Broadcast Control Channel (BCCH), and the MCCH configuration information is received by the terminal; the network side apparatus sends Multicast Broadcast Single Frequency Network (MBSFN) region configuration information to the terminal by the MCCH channel; the MBSFN region configuration information is received by the terminal according to the MCCH configuration information; the network side apparatus sends MBMS service data to the terminal by Multicast Traffic Channel (MTCH); the MBMS service data is received by the terminal according to the MBSFN region configuration information. In the present invention, the network side apparatus broadcasts MCCH configuration information to the terminal by the BCCH channel, and sends MBSFN region configuration information to the terminal by the MCCH channel respectively, thereby the information required to be transmitted in the BCCH channel and MCCH channel is configured in division, the capability requirements of the different air interfaces are satisfied, and the signaling overhead is saved.