Radio Terminal Base Station Selection By Predicted Traffic Demand
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Solution Overview
Problem
In heterogeneous networks, radio terminals are often connected to small cells or spot cells based on radio wave conditions, leading to excessive usage and difficulty in providing necessary throughput to terminals requiring high-capacity, high-speed communication.
Innovation Solution
A management device that acquires located-area information to identify macrocells and small cells, assesses high-speed communication requirements using predicted traffic demand volume, and controls connections to appropriate base stations based on these assessments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If base station connection is determined based only on radio wave conditions, then connection simplicity is improved, but throughput provision to terminals requiring high-capacity communication deteriorates
Solution Approach 1:
The system performs preliminary assessment of communication requirements before connection determination by analyzing traffic demand volume, application types, and service requirements. This preliminary action enables the network to proactively allocate appropriate base stations (macrocell or small cell) based on predicted needs, ensuring both simple automated connection and adequate throughput provision for high-capacity requirements.
2Speed
If radio terminals are connected to small cells based on radio wave conditions, then connection speed is improved, but network load balance deteriorates
Solution Approach 1:
The system dynamically changes connection parameters by considering multiple factors beyond radio wave conditions, including traffic demand volume, application requirements, and current small cell load capacity. This multi-parameter approach enables intelligent load distribution where terminals are connected to small cells only when appropriate, maintaining both connection speed and network load balance.
3Quantity of substance
If all terminals are served by macrocells, then network load balance is improved, but communication speed for high-capacity terminals deteriorates
Solution Approach 1:
The system applies different connection strategies to different terminals based on their specific requirements. Terminals with high traffic demand or latency-sensitive applications are selectively connected to small cells for faster communication, while other terminals remain connected to macrocells. This local differentiation maintains overall network balance while providing high-speed communication where needed.
Data Source
AI summary
In order to connect a radio terminal in a heterogeneous network environment to a connection destination in an appropriate frequency band, a management device comprises: a located-area information acquisition unit that acquires located-area information of the radio terminal; a first base station identification unit that uses the located-area information to identify a first base station forming a macrocell; a second base station identification unit that uses the located-area information to perform a first assessment for assessing whether or not the radio terminal is within one of the small cells, and that, when the radio terminal is within one of the small cells, identifies a second base station forming the small cell; and a high-speed communication requirement assessment unit that performs a second assessment for assessing whether or not the radio terminal requires high-speed communication based on at least a predicted traffic demand volume from the radio terminal.