Distributed Antenna Control Channel Resource Segmentation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current communication standards are designed for centralized antenna systems and struggle to efficiently transmit control information in multi-node systems, particularly when legacy and advanced user equipment coexist, leading to inefficiencies in resource allocation and interference management.
Innovation Solution
A method is introduced where control information for legacy and advanced user equipment is transmitted on different resource regions using distributed antennas, allowing for efficient use of wireless resources and improved interference management by distinguishing between user equipment groups and antenna nodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If control information is transmitted using centralized antenna system (CAS), then communication standard compatibility is maintained, but transmission efficiency and interference management deteriorate in multi-node systems
Solution Approach 1:
The patent segments the transmission system into different resource regions (first resource region for legacy UEs, second resource region for advanced UEs) and assigns different antenna nodes to transmit control information to different user equipment groups. This segmentation allows the multi-node system to maintain compatibility with legacy centralized antenna systems while introducing improved transmission efficiency for advanced UEs, thereby resolving the contradiction between transmission efficiency and system complexity.
2Adaptability or versatility
If multi-node coordinated transmission is implemented, then transmission capacity and power efficiency are improved, but control information transmission compatibility with legacy standards deteriorates
Solution Approach 1:
The patent implements universality by designing a dual-resource-region transmission framework where the same multi-node system can serve both legacy user equipment (using first resource region with centralized antenna system compatibility) and advanced user equipment (using second resource region with multi-node coordinated transmission). This multi-functional approach allows the system to maintain adaptability across different technology generations while improving control information transmission efficiency for advanced UEs.
3Productivity
If control information is transmitted on unified resource region, then system simplicity is maintained, but resource allocation efficiency and interference management deteriorate
Solution Approach 1:
The patent applies local quality by assigning different transmission characteristics to different resource regions: the first resource region uses centralized antenna system transmission for legacy UEs, while the second resource region uses multi-node coordinated transmission for advanced UEs. This localized differentiation optimizes resource allocation efficiency and interference management for each user equipment type without requiring complete system redesign, thereby resolving the contradiction between resource allocation efficiency and transmission simplicity.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
According to one aspect of the present invention, antennas or antenna nodes spaced away from each other by a predetermined distance or more are configured to be able to transmit control information of mutually different user equipment groups, thereby increasing the efficiency in the operation of control channels. In addition, according to another aspect of the present invention, a resource region for transmitting control information for an improved user equipment, which is a target of a multi-node cooperative transmission, is set differently from a resource region for transmitting control information for a legacy user equipment, thereby increasing the efficiency in the transmission of the control information for the improved user equipment.