Distributed Antenna Reassignment for Signal Processing Load Balancing
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Solution Overview
Problem
Existing wireless communication systems with fixed antenna-cell resource associations fail to adapt to temporal variations in load distribution, leading to potential throughput decreases, resource shortages, or surpluses due to imbalanced traffic and user connections.
Innovation Solution
A control method and system that utilize a plurality of distributed antennas and signal processing units, with a setting unit, acquisition unit, and assignment unit to dynamically adjust connections based on load information and reference values, redistributing antennas to balance loads across signal processing units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If antenna and cell resource are fixedly associated with each other, then the base station configuration is simple and stable, but it cannot adapt to temporal variation of load, causing throughput decrease and resource imbalance
Solution Approach 1:
The patent implements dynamic association between distributed antennas and signal processing units. The assignment unit periodically reassigns distributed antennas to different signal processing units based on real-time load information, transforming the static antenna-resource association into a dynamic one that adapts to load variations. This resolves the contradiction by enabling adaptability through controlled dynamics in the resource allocation mechanism.
Solution Approach 2:
The patent establishes a feedback loop where load information is continuously monitored and fed back to the assignment unit. The acquisition unit collects load data from signal processing units, and this feedback drives the reassignment decision-making process. This feedback mechanism enables the system to adapt to load variations automatically, resolving the contradiction between adaptability and control complexity.
2Productivity
If distributed antennas are dynamically reassigned to balance load, then throughput and resource utilization improve, but the control mechanism becomes more complex
Solution Approach 1:
The patent implements a self-service mechanism where the assignment unit autonomously makes reassignment decisions based on load information without requiring complex external control. The system monitors its own load state and automatically adjusts antenna assignments to balance the load, improving throughput while keeping the control mechanism relatively simple through self-regulation.
Solution Approach 2:
The patent changes the assignment parameter from fixed to variable based on load conditions. The assignment unit adjusts which signal processing unit handles which distributed antenna by changing the assignment parameters dynamically. This parameter-based control approach improves throughput while maintaining manageable control complexity through systematic parameter adjustment.
3Measurement precision
If reference information is set for leveling loads, then load balancing precision improves, but the setting and management of reference values becomes more complex
Solution Approach 1:
The patent applies preliminary action by pre-setting reference information (reference load values) for each signal processing unit before the load balancing process begins. These reference values serve as targets for the load leveling operation. By establishing these reference points in advance, the system achieves precise load balancing control without requiring complex real-time calculations, thus improving precision while managing complexity through advance preparation.
Data Source
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AI summary
One aspect of the present invention is a control method in a wireless communication system including a plurality of distributed antennas that perform wireless communication with a user terminal, and a plurality of signal processing units that are connected to the plurality of distributed antennas and perform signal processing, the control method including: a setting unit that sets reference information for leveling loads of the plurality of signal processing units for each of the plurality of signal processing units; an acquisition step of acquiring load information indicating a load of a signal processing unit; and an assignment step of assigning the signal processing unit as a connection destination of the distributed antenna on the basis of the load information acquired in the acquisition step and the reference information, and leveling the loads of the plurality of signal processing units.