Channel State Information Reporting Flag Mechanism

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Solution Overview

Problem

Existing radio communication systems face inefficiencies in conveying channel state information due to unnecessary bandwidth overhead in traditional signaling mechanisms, which hinders optimization of transmission parameters and resource allocation.

Innovation Solution

Implementing a method for periodic reporting of channel state information using a resource allocation message with a flag to enable or disable reporting, allowing for persistent or semi-persistent allocation of resources on shared control channels, thereby reducing unnecessary signaling and optimizing resource usage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If traditional signaling mechanisms are used to exchange channel state information, then channel state information can be conveyed, but bandwidth overhead increases unnecessarily

Engineering Contradiction:
Improvechannel state information conveyanceVSAvoidbandwidth overhead
Core Design Contradiction:
Loss of informationVSQuantity of substance

Solution Approach 1:

The patent extracts the essential triggering function from traditional signaling mechanisms by using a single flag bit in resource allocation messages to indicate whether channel state information reporting should occur. This separates the reporting trigger function from the resource allocation function, allowing efficient bandwidth usage while maintaining necessary information exchange.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent changes the parameter representation from traditional signaling formats to a compact flag bit within resource allocation messages. By modifying the resource allocation message structure to include a reporting indicator flag, the system achieves the same information conveyance purpose with significantly reduced bandwidth overhead.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If periodic reporting of channel state information is configured, then transmission parameters can be optimized, but signaling overhead increases

Engineering Contradiction:
Improvetransmission parameter optimizationVSAvoidsignaling overhead
Core Design Contradiction:
ProductivityVSQuantity of substance

Solution Approach 1:

The patent implements periodic channel state information reporting by configuring the user equipment to report at specific periodic intervals when triggered by the flag bit. This allows the system to optimize transmission parameters periodically without requiring continuous signaling, thereby reducing overall signaling overhead while maintaining effective parameter optimization.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The patent introduces dynamic control of reporting behavior through the flag bit in resource allocation messages. The system can dynamically switch between periodic reporting and aperiodic reporting modes based on current channel conditions and traffic requirements, allowing optimization of transmission parameters only when necessary and reducing signaling overhead during stable conditions.

Inventive Principle:
Principle #15Dynamics

3Quantity of substance

If resource allocation messages include flags for enabling or disabling reporting, then resource usage is optimized, but message complexity increases

Engineering Contradiction:
Improveresource usage efficiencyVSAvoidmessage structure complexity
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The patent merges the resource allocation function with the reporting trigger function by including a flag bit within the existing resource allocation messages. This combination allows the system to control channel state information reporting without requiring separate signaling messages, thereby optimizing resource usage while minimizing the increase in message complexity through efficient use of existing message structures.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS9001747B2Reporting channel state information
Publication Date: 2015.04.07 NOKIA TECHNOLOGIES OY
  • US9001747B2 patent drawing
  • US9001747B2 patent drawing
  • US9001747B2 patent drawing

AI summary

An approach is provided for reporting channel state information. The network configures parameters relating to periodic reporting of channel state information and generates a resource allocation message including a flag to enable or disable the reporting of channel state information in a subframe configured for periodic reporting.