Multiple TB Scheduling with DCI Indication for 5G UE Power Management

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Solution Overview

Problem

Current 5G NR communication systems face challenges in efficiently scheduling multiple transport blocks with repetition and interleaving patterns, leading to increased power consumption and reduced battery life in user equipment (UEs), particularly in scenarios requiring high reliability and low latency.

Innovation Solution

The implementation of a multiple transport block (TB) scheduling framework that allows for dynamic scheduling of multiple TBs with repetition and interleaving patterns, using downlink control information (DCI) to indicate the number of TBs, repetitions, interleaving patterns, and transmission gaps, enabling efficient resource allocation and power management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple transport blocks are scheduled with repetition and interleaving patterns, then reliability is improved, but power consumption increases

Engineering Contradiction:
ImprovereliabilityVSAvoidpower consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent implements dynamic scheduling where the network can flexibly configure the number of transport blocks, repetition factors, and interleaving patterns based on current channel conditions and service requirements. This allows the system to adapt between high reliability modes (with repetition and interleaving) and low power consumption modes (with fewer blocks and no repetition), resolving the contradiction by making the reliability-enhancing features optional and configurable rather than fixed

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent introduces configurable parameters including the number of transport blocks (N), repetition factor (M), interleaving patterns, and transmission gaps. By allowing these parameters to be dynamically adjusted based on service requirements, the system can optimize between reliability and power consumption - using higher N and M values for reliability-critical services while using lower values for power-sensitive applications

Inventive Principle:
Principle #35Parameter changes

2Reliability

If multiple transport blocks are scheduled with repetition and interleaving patterns, then high reliability and low latency are achieved, but device complexity increases

Engineering Contradiction:
Improvehigh reliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent segments the transmission into multiple transport blocks that can be independently scheduled, repeated, and interleaved. This segmentation allows the complexity of handling multiple blocks to be managed through standardized procedures for each block, rather than requiring complex custom handling for the entire transmission, thus achieving high reliability while controlling device complexity through modular processing

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent creates a universal scheduling framework that handles multiple transport blocks using the same set of rules and procedures regardless of the specific configuration. The DCI signaling, repetition handling, and interleaving mechanisms work universally across different numbers of blocks and repetition factors, reducing device complexity by avoiding the need for separate handling logic for each configuration scenario

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Productivity

If dynamic scheduling of multiple TBs with repetition and interleaving is implemented, then resource allocation efficiency is improved, but DCI signaling overhead increases

Engineering Contradiction:
Improveresource allocation efficiencyVSAvoidDCI signaling overhead
Core Design Contradiction:
ProductivityVSLoss of information

Solution Approach 1:

The patent merges the scheduling information for multiple transport blocks into a single DCI message. Instead of sending separate DCI for each TB, the system combines configuration parameters for N transport blocks, repetition factors, and interleaving patterns into one unified signaling structure, improving resource allocation efficiency while minimizing the increase in signaling overhead through consolidation

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS20230269741A1User equipment, scheduling node, method for user equipment, and method for scheduling node
Publication Date: 2023.08.24 PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
  • US20230269741A1 patent drawing
  • US20230269741A1 patent drawing
  • US20230269741A1 patent drawing

AI summary

The disclosure relates to a user equipment (UE). The UE comprises a transceiver and a circuitry. The transceiver, in operation, receives downlink control information (DCI) signaling. The circuitry, in operation, obtains, from the DCI signaling, an indication. The indication indicates scheduling of a number N of transport blocks, TBs, wherein N is an integer greater than one and at least one of i) scheduling of a number M of repetitions of the TBs, wherein M is equal to or greater than one; ii) an interleaving pattern of the TBs; and iii) a transmission gap between the TBs.