Wireless Device Control Channel Configuration Adaptation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In LTE radio networks, updating wireless devices with different network configurations requires significant overhead, leading to reduced network performance as existing technologies struggle to manage different control channel configurations without disrupting other devices.
Innovation Solution
The method involves transmitting distinct subframe monitoring information messages using different signaling identifiers to configure wireless devices with specific control channel configurations based on their channel characteristics, allowing for dynamic adaptation of uplink and downlink configurations without disrupting other devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless devices are updated with different network configurations using existing technologies, then network performance is maintained, but significant overhead is required and other devices are disrupted
Solution Approach 1:
The patent segments the control channel configuration updates by introducing separate search spaces for different device groups. First search space is used for devices with first TDD configuration, while second search space is used for devices with second TDD configuration. This segmentation allows independent configuration updates without affecting other devices, thereby reducing network overhead while maintaining adaptability.
Solution Approach 2:
The patent implements dynamic configuration by allowing flexible subframes to be dynamically assigned as uplink or downlink based on traffic demands. The network can adaptively switch between different TDD configurations (first TDD configuration with more downlink subframes, second TDD configuration with more uplink subframes) by updating search space configurations, enabling real-time optimization without disrupting other devices.
2Adaptability or versatility
If wireless devices are updated with different network configurations using existing technologies, then network performance is maintained, but other devices are disrupted
Solution Approach 1:
By segmenting search spaces into first and second search spaces for different device groups, the patent ensures that configuration updates in one search space do not affect devices monitoring the other search space. This isolation maintains service continuity for all devices while allowing adaptive configuration changes for specific device groups.
Solution Approach 2:
The dynamic switching between first and second TDD configurations through separate search spaces allows the network to adapt to varying traffic demands without disrupting ongoing services. Devices continue to operate with their configured TDD patterns while the network can dynamically reconfigure other device groups to optimize overall network performance.
3Device complexity
If a single TDD configuration is used for all devices, then network management is simplified, but adaptability to different traffic demands is reduced
Solution Approach 1:
The patent introduces dynamic configurability by implementing multiple TDD configurations (first TDD configuration with more downlink subframes, second TDD configuration with more uplink subframes) that can be selectively applied. The network can dynamically choose which configuration to apply to different device groups based on real-time traffic demands, achieving high adaptability while maintaining manageable complexity through systematic search space organization.
Solution Approach 2:
The patent creates a universal framework where a single search space structure supports multiple TDD configurations. The first and second search spaces serve multiple functions: they provide separate configuration channels for different device groups, enable dynamic TDD switching, and maintain backward compatibility. This multi-functional design achieves adaptability without proportionally increasing management complexity.
Data Source
AI summary
A method (211) for providing wireless devices (120; 122) in radio communication with the network node (110) with different network configurations based on different channel characteristics of the wireless devices. The method includes transmitting (213) a first subframe monitoring information message using a first signaling identifier for addressing one or more wireless devices (120 and/or 122) having a first control channel configuration and transmitting (215) a second subframe monitoring information message using a second signaling identifier for addressing one or more wireless devices (120 and/or 122) having a second control channel configuration. Related methods as well as network nodes (110) and wireless devices (120) that implement these methods are also provided.