Uplink Transport Block Size Determination Using Pre-Configured Resource Pools

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Solution Overview

Problem

In wireless communication systems, particularly in LTE, determining the transport block size for uplink transmission is inefficient without pre-connection and resource allocation, leading to delays in urgent data transmission.

Innovation Solution

A method where user equipment (UE) sets a resource pool of resource blocks (RBs) and selects RBs for high-speed uplink signal transmission, with the transport block size determined based on the number of selected RBs, allowing for rapid data transmission without prior resource allocation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If pre-connection and resource allocation procedures are performed before uplink transmission, then resource allocation reliability is improved, but transmission time delay increases

Engineering Contradiction:
Improveresource allocation reliabilityVSAvoidtransmission time delay
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-configuring resource pools and transport block size relationships before transmission is needed. The base station pre-allocates resource pools and establishes TBS-NRB mapping relationships in advance, so when urgent data needs to be transmitted, the UE can immediately select resources and determine TBS without waiting for complex scheduling procedures, thus reducing time delay while maintaining allocation reliability

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent segments the resource allocation process into independent resource pools with predefined TBS-NRB mappings. Instead of performing complete resource allocation procedures for each transmission, the system divides resources into multiple pools where each pool has pre-established relationships between resource blocks and transport block sizes, allowing rapid selection and transmission without full allocation procedures

Inventive Principle:
Principle #1Segmentation

2Measurement precision

If transport block size is determined through complex scheduling procedures, then allocation accuracy is improved, but transmission efficiency decreases

Engineering Contradiction:
Improveallocation accuracyVSAvoidtransmission efficiency
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent performs preliminary determination of transport block size relationships with resource block counts before transmission. The base station pre-configures TBS-NRB mappings for each resource pool, so when the UE needs to transmit, it can directly determine TBS based on the number of selected RBs and the pre-established mapping, achieving both accurate allocation and high transmission efficiency without complex real-time scheduling

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent changes the determination method from dynamic complex scheduling to using pre-configured parameter mappings. By establishing fixed relationships between NRB and TBS parameters in advance for each resource pool, the system transforms the allocation process from a complex real-time calculation to a simple parameter lookup based on the selected resource block count, improving both accuracy and efficiency

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS10517016B2Method for determining size of transmission block of uplink signal in wireless communication system and apparatus therefor
Publication Date: 2019.12.24 LG ELECTRONICS INC
  • US10517016B2 patent drawing
  • US10517016B2 patent drawing
  • US10517016B2 patent drawing

AI summary

A method for transmitting, by a terminal, a high-speed uplink signal to a base station in a wireless communication system is disclosed. Specifically, the method for transmitting a high-speed uplink signal comprises the steps of: setting a plurality of resource blocks as a resource pool for transmitting a high-speed uplink signal through an upper layer signal; selecting at least one resource block from the resource pool; and transmitting the high-speed uplink signal including a transmission block on the selected resource block to a base station, wherein the size of the transmission block is determined on the basis of the number of the selected resource blocks.