RNTI-Based Time Domain Allocation for Pre-Configuration Access

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Solution Overview

Problem

User equipment in wireless communication systems, such as LTE and NR, lacks time domain allocation information before radio resource control configuration, leading to uncertainty and ambiguity in downlink and uplink access.

Innovation Solution

A system and method that associates time domain allocations with radio network temporary identifiers (RNTIs) to provide flexible and unambiguous time domain allocations in downlink control information, allowing user equipment to interpret and utilize these allocations for transmissions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If time domain allocation is scheduled by network node using DCI elements, then resource allocation flexibility is improved, but user equipment cannot access downlink and uplink before radio resource control configuration is received

Engineering Contradiction:

Improveresource allocation flexibilityVSAvoidaccess reliability before configuration

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent applies preliminary action by pre-configuring time domain allocation tables and parameters before radio resource control configuration is received. The network node provides reference signals and pre-configuration information that enable user equipment to perform initial access and basic operations before full configuration is established, thus resolving the contradiction between allocation flexibility and access reliability.

Inventive Principle:

Principle #10Preliminary action

2Productivity

If time domain allocation information is provided in downlink control information, then dynamic resource adjustment capability is improved, but user equipment lacks interpretation capability before configuration

Engineering Contradiction:

Improvedynamic resource adjustment capabilityVSAvoidinterpretation capability

Core Design Contradiction:

ProductivityVSEase of operation

Solution Approach 1:

The patent applies preliminary action by providing pre-configured time domain allocation tables and reference signal configurations before dynamic scheduling begins. User equipment receives and stores these preliminary configurations, enabling it to interpret subsequent dynamic DCI instructions correctly once configuration is established, thus resolving the contradiction between dynamic adjustment capability and interpretation capability.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent uses pre-configured time domain allocation tables and reference signal configurations as intermediaries between the network node and user equipment. These intermediaries provide a common reference framework that enables both parties to interpret dynamic resource allocations correctly, bridging the gap between dynamic scheduling capability and user equipment interpretation capability.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Productivity

If flexible time domain allocation is implemented, then network resource utilization is improved, but ambiguity between network and user equipment increases

Engineering Contradiction:

Improvenetwork resource utilizationVSAvoidallocation ambiguity

Core Design Contradiction:

ProductivityVSLoss of information

Solution Approach 1:

The patent applies feedback by establishing confirmation mechanisms where user equipment verifies received time domain allocation configurations with the network node. The pre-configured tables and reference signals serve as feedback references, allowing both parties to confirm correct interpretation of allocation parameters, thus reducing ambiguity while maintaining flexible resource utilization.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The patent uses standardized time domain allocation tables and reference signal configurations as intermediaries that provide unambiguous mapping between network intentions and user equipment interpretation. These intermediaries encode allocation information in a standardized format that eliminates ambiguity while preserving flexibility, resolving the contradiction between resource utilization and information loss.

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS20250351208A1System and method for providing time domain allocations in a communication system

Publication Date: 2025.11.13 TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

AI summary

A system and method for providing time domain allocations in a communication system. In an embodiment, an apparatus operable in a communication system and including processing circuitry is configured to receive an indication of a time domain allocation in downlink control information associated with a radio network temporary identifier (“RNTI”) identifying the apparatus, and employ the time domain allocation associated with the RNTI for transmissions associated with the apparatus. In another embodiment, an apparatus operable in a communication system and including processing circuitry is configured to associate a time domain allocation with a RNTI identifying a user equipment, and provide an indication of the time domain allocation in downlink control information to allow the user equipment to employ the time domain allocation associated with the RNTI for transmissions associated therewith.