Access Point MIB for Storing TPC Data from Wireless Stations
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Solution Overview
Problem
Conventional wireless communication systems lack a mechanism to store and transfer transmit power control (TPC) information from a wireless transmit/receive unit (WTRU) to an access point (AP), hindering effective radio resource management and interference mitigation.
Innovation Solution
A method and system for transferring TPC information between a WTRU and an AP, where the AP includes management entities that request and receive TPC information from the WTRU, performing physical measurements such as transmit power level, link margin, and signal strength, and storing this data in the AP's management information base (MIB) for external entities to manage radio resource allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If TPC information is not stored in the AP's MIB, then the system structure remains simple, but radio resource management effectiveness deteriorates
Solution Approach 1:
The patent segments the information storage function by creating a dedicated MIB structure within the AP that specifically stores TPC-related information from multiple WTRUs. This separates the TPC information storage from general system operations, enabling effective RRM while maintaining clear functional boundaries and manageable system architecture.
Solution Approach 2:
The MIB acts as an intermediary data structure between the WTRUs and the AP's RRM functionality. It mediates the transfer and storage of TPC information, allowing the AP to effectively manage radio resources by collecting, storing, and processing TPC data from multiple wireless stations in a standardized format.
2Object-affected harmful factors
If TPC information from multiple WTRUs is collected and stored, then interference mitigation capability improves, but information management complexity increases
Solution Approach 1:
The MIB structure is designed with universal, standardized data fields that can store TPC information from multiple different WTRUs using a consistent format. This multi-functional storage capability allows the AP to collect and manage interference-related data from various sources without requiring separate storage mechanisms for each WTRU, thereby reducing overall information management complexity.
Solution Approach 2:
The patent employs standardized parameter fields in the MIB to represent TPC information, transforming diverse WTRU-specific data into uniform parameters. This parameter standardization enables efficient storage and processing of TPC information from multiple sources, reducing the complexity of managing heterogeneous data while maintaining comprehensive interference mitigation capability.
3Measurement precision
If detailed TPC measurements are performed and stored, then power control precision improves, but processing overhead increases
Solution Approach 1:
The MIB stores essential TPC measurement parameters with appropriate precision levels, capturing the necessary information for effective power control without recording every possible measurement detail. This partial action approach maintains sufficient power control precision while avoiding the excessive processing overhead that would result from storing complete, granular measurement data from all WTRUs.
Data Source
AI summary
A method and wireless communication system for requesting and obtaining transmit power control (TPC) information. The system includes at least one access point (AP) and at least one wireless transmit/receive unit (WTRU). When the AP decides to adapt the transmit power level of the WTRU, the AP transmits a TPC request frame to the WTRU. In response to receiving the TPC request frame, the WTRU performs one or more physical measurements and sends a TPC report frame back to the AP.