Dummy SIB Broadcast for Cellular Network Capability Notification

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Solution Overview

Problem

Current cellular network systems face inefficiencies in announcing special capabilities to user equipment (UE) devices, as existing methods consume network resources and cause overhead, especially when non-participating UEs are required to decode unnecessary information.

Innovation Solution

Implementing a dummy system information block for network capability notifications, which are broadcast separately from standard SIB-1 messages, reducing frequency and only accessible to UEs that can utilize the capabilities, thereby minimizing unnecessary decoding and resource consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If network capability notification information is included in SIB-1 broadcasts, then all UEs can receive capability information, but non-participating UEs must decode unnecessary information consuming network resources

Engineering Contradiction:

Improvecapability notification deliveryVSAvoidnetwork resource consumption

Core Design Contradiction:

ReliabilityVSLoss of energy

Solution Approach 1:

The patent segments the system information broadcast by creating a separate dummy SIB specifically for capability notifications, distinct from the standard SIB-1. This segmentation allows participating UEs to receive capability information without requiring non-participating UEs to decode the dummy SIB, thereby reducing unnecessary decoding operations and network resource consumption while maintaining reliable delivery to target devices

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent extracts the capability notification information from the standard SIB-1 structure and places it in a separate dummy SIB. This extraction isolates the capability notification function from general system information, enabling selective processing where only participating UEs need to decode the dummy SIB while non-participating UEs can ignore it, thus reducing overall network overhead

Inventive Principle:

Principle #2Taking out (Extraction)

2Productivity

If dummy SIB is broadcast separately from SIB-1, then decoding overhead is reduced for non-participating UEs, but system complexity increases

Engineering Contradiction:

Improvenetwork operation efficiencyVSAvoidsystem information structure

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The dummy SIB is designed with universal structure compatible with existing SIB formats, allowing it to be processed by standard UE decoding mechanisms. This multi-functionality approach enables the dummy SIB to serve capability notification purposes while maintaining compatibility with existing system information processing infrastructure, minimizing the increase in system complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS9807673B2Cellular network capabilities exchange protocol

Publication Date: 2017.10.31 APPLE INC

AI summary

This disclosure relates to techniques for enabling a cellular network to more efficiently announce special network capabilities to UE's in its coverage area. The special network capabilities may be specific to a first class of UE devices and/or may be outside of the relevant telecommunication standard used by the cellular network. The base station may transmit a dummy System Information Block-1 (SIB-1), wherein the dummy system information block is broadcast separately from regular system information block 1's (SIB-1's).