Wireless Control Channel Scheduling Across Cells and Bandwidth Parts

Solution Overview

Problem

Existing wireless communication systems face challenges in efficiently managing and scheduling downlink and uplink transmissions, particularly in scenarios involving self-carrier and cross-carrier scheduling, which can impact reliability and control signaling throughput.

Innovation Solution

Implementing dynamic control signaling to activate or deactivate cross-carrier scheduling, and explicitly or implicitly indicating search spaces and bandwidth parts for self-carrier or cross-carrier scheduling, enhancing search space monitoring and resource allocation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If cross-carrier scheduling is used to improve control signaling throughput, then control signaling throughput is improved, but reliability may deteriorate

Engineering Contradiction:

Improvecontrol signaling throughputVSAvoidreliability

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The system dynamically switches between self-carrier scheduling and cross-carrier scheduling modes based on network conditions and reliability requirements. The base station can activate or deactivate cross-carrier scheduling dynamically, allowing the system to adapt between high throughput (cross-carrier) and high reliability (self-carrier) operating modes as needed.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The invention changes the scheduling parameter configuration by explicitly or implicitly indicating whether search spaces and bandwidth parts are configured for cross-carrier scheduling or self-carrier scheduling. This parameter change allows the system to optimize between throughput and reliability by selecting the appropriate scheduling mode for different transmission scenarios.

Inventive Principle:

Principle #35Parameter changes

2Reliability

If self-carrier scheduling is used to improve reliability, then reliability is improved, but control signaling throughput may deteriorate

Engineering Contradiction:

ImprovereliabilityVSAvoidcontrol signaling throughput

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The system dynamically switches between self-carrier scheduling and cross-carrier scheduling modes based on network conditions and reliability requirements. The base station can activate or deactivate cross-carrier scheduling dynamically, allowing the system to adapt between high throughput (cross-carrier) and high reliability (self-carrier) operating modes as needed.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The invention changes the scheduling parameter configuration by explicitly or implicitly indicating whether search spaces and bandwidth parts are configured for cross-carrier scheduling or self-carrier scheduling. This parameter change allows the system to optimize between throughput and reliability by selecting the appropriate scheduling mode for different transmission scenarios.

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If dynamic activation/deactivation of cross-carrier scheduling is implemented to adapt to varying conditions, then adaptability is improved, but device complexity increases

Engineering Contradiction:

ImproveadaptabilityVSAvoiddevice complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The base station automatically manages the activation and deactivation of cross-carrier scheduling based on pre-configured parameters and network conditions, reducing the need for complex manual configuration and intervention. The system self-adjusts scheduling modes dynamically without requiring complex external control mechanisms.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The invention changes the scheduling parameter configuration by explicitly or implicitly indicating whether search spaces and bandwidth parts are configured for cross-carrier scheduling or self-carrier scheduling. This parameter change allows the system to optimize between throughput and reliability by selecting the appropriate scheduling mode for different transmission scenarios.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS20260025830A1Scheduling wireless communications

Publication Date: 2026.01.22 COMCAST CABLE COMM LLC

AI summary

Control information may be used to schedule communications between a wireless device and a base station. The wireless device may monitor control channels associated with one or more cells to receive the control information.