Multi-Cell Scheduling Indication for Variable Carrier Parameter Sets
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Solution Overview
Problem
In wireless communications systems, the complexity arises when carriers are configured with different numbers of parameters, leading to challenges in interpreting joint indications for multi-cell scheduling, particularly when bitfields of varying sizes are used, causing the user equipment (UE) to struggle with determining appropriate parameter sets.
Innovation Solution
The UE determines the bitfield size based on the maximum or minimum number of parameters supported by a given carrier, decodes the bitfield, assumes blank entries for unused carriers, configures default parameters, and reuses parameters in a specific order to handle varying parameter set sizes, enabling efficient communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If joint indication is used for multi-cell scheduling, then signaling efficiency is improved, but complexity arises when carriers have different parameter set sizes
Solution Approach 1:
The patent segments the parameter indication by dividing carriers into two groups: carriers with parameter sets of a first size and carriers with parameter sets of a second size. This segmentation allows the UE to interpret the joint indication differently for different carrier groups, resolving the complexity issue while maintaining signaling efficiency.
Solution Approach 2:
The patent applies local quality by configuring different parameter set sizes for different carriers based on their specific requirements. Each carrier can have its parameter set size individually optimized, and the UE is enabled to interpret the joint indication with appropriate local adjustments for each carrier group.
2Adaptability or versatility
If carriers are configured with different numbers of parameters, then adaptability to various communication scenarios is improved, but difficulty in interpreting joint indications increases
Solution Approach 1:
The patent introduces dynamic interpretation rules that allow the UE to adaptively determine which parameter sets to apply based on the carrier group identification. The UE dynamically selects the appropriate parameter set size (first size or second size) based on which carrier group the current carrier belongs to, enabling flexible carrier configuration while simplifying interpretation.
Solution Approach 2:
The patent changes the interpretation parameters based on carrier group membership. By associating different parameter set sizes with different carrier groups, the system allows parameter configurations to be changed adaptively for different carriers, maintaining versatility while providing clear interpretation rules.
Data Source
AI summary
Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive from a network entity a message indicating one or more sets of parameters for a set of carriers supported by the UE, the one or more sets of parameters indicating communication parameters for communications via the set of carriers. The UE may monitor for a field of a control message based on the message. A field size of the field may be based on the sets of parameters, and a respective value for the field may indicate a respective set of parameters of the sets of parameters for one or more carriers of the set of carriers. Based on receiving a control message and decoding the associated field, the UE may communicate via at least one carrier of the set of carriers using the respective set of parameters for the at least one carrier.