Antenna Panel Mapping for Wireless Uplink
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently managing multiple antenna panels for uplink communication, leading to increased power consumption and suboptimal utilization of radio frequency resources, as existing methods rely on insufficient reporting of antenna port and panel associations.
Innovation Solution
The system transmits control signals indicative of mappings between antenna ports and panels, enabling accurate beam management and power-efficient communication by allowing the network to deactivate underperforming panels and optimize beam selection based on available antenna ports.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple antenna panels are operated simultaneously to increase transmission throughput, then spectral efficiency is improved, but power consumption increases
Solution Approach 1:
The system dynamically activates or deactivates antenna panels based on current communication conditions. The base station receives capability information indicating panel associations, then selectively activates only the necessary panels for current transmission requirements, allowing the system to adapt between high throughput mode (multiple panels active) and power-saving mode (fewer panels active) depending on channel conditions and traffic demands
Solution Approach 2:
The invention changes the operational state parameter of antenna panels from static (all panels always active) to dynamic (panels selectively activated/deactivated). By transmitting capability information about panel associations and using this information to control panel activation, the system can adjust the number of active panels to match current throughput requirements, thereby reducing power consumption when full capacity is not needed
2Use of energy by moving object
If antenna panels are deactivated to save power, then energy efficiency is improved, but transmission throughput may be reduced
Solution Approach 1:
The base station receives feedback information from the user equipment about antenna panel capabilities and associations between antenna ports and panels. This feedback enables the base station to make informed decisions about which panels to activate or deactivate, ensuring that sufficient panels remain active to maintain required throughput while minimizing power consumption. The feedback loop allows the system to optimize the balance between energy efficiency and transmission throughput based on actual channel conditions and capability information
3Measurement precision
If comprehensive mapping information between antenna ports and panels is reported, then beam management accuracy is improved, but signaling overhead increases
Solution Approach 1:
The invention extracts and reports only the essential capability information needed for beam management - specifically the association relationships between antenna ports and antenna panels. Rather than reporting complete detailed mappings or all possible configurations, the system reports the key capability indicators that enable accurate beam management decisions. This selective reporting of essential information maintains beam management accuracy while minimizing signaling overhead
Data Source
AI summary
A method of operating a wireless communication device (102) in a wireless communication system (100) comprises transmitting a control signal to a node (102) of the wireless communication system (100). The control signal is indicative of a mapping between at least one antenna port (5031-5033) and at least one antenna panel (5023, 5024) of the wireless communication device (102).