HAPS Relay Station Cell Optimization via Dedicated Control Link
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Solution Overview
Problem
The challenge is to remotely control a communication relay apparatus, such as a HAPS, for cell optimization without increasing communication traffic on the feeder link, which is essential for maintaining effective radio resource utilization in a three-dimensional network.
Innovation Solution
A communication relay apparatus with a radio communication section for transmitting control information via a separate radio communication line and a control section to manage the relay communication station, allowing for cell optimization without increasing feeder link traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If control information is transmitted using the feeder link for mobile communication, then the relay communication station can be controlled for cell optimization, but the communication traffic of the feeder link increases and effective use of radio resources is hindered
Solution Approach 1:
The communication system is segmented into two separate communication paths: the feeder link for mobile communication traffic and a dedicated control communication line for remote control operations. This segmentation allows control information to be transmitted independently without consuming feeder link resources, resolving the contradiction between remote control capability and feeder link traffic volume.
Solution Approach 2:
A dedicated control communication line acts as an intermediary channel between the remote control apparatus and the relay communication station. This intermediary provides a separate pathway for control information, preventing it from interfering with the mobile communication traffic on the feeder link while still enabling effective remote control for cell optimization.
2Ease of operation
If control information is transmitted using the feeder link, then the relay communication station can be controlled, but effective use of radio resources is hindered
Solution Approach 1:
The communication infrastructure is divided into distinct functional segments: the feeder link dedicated to mobile communication services and a separate control communication line for management operations. This segmentation ensures that radio resources are allocated efficiently according to their specific purposes, preventing control traffic from degrading service traffic performance.
Solution Approach 2:
The dedicated control communication line serves as an intermediary that handles all control information transmission, freeing up the feeder link radio resources to be fully utilized for mobile communication services. This intermediary structure maximizes radio resource efficiency by eliminating unnecessary control traffic from the service-oriented feeder link.
Data Source
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AI summary
A relay communication station is remotely controlled without increasing communication traffic of a feeder link of communication to be relayed between a communication relay apparatus such as a HAPS located in an upper airspace and a communication network on the ground side or on the sea side. The communication relay apparatuses 10 and 20 comprise relay communication stations 110 and 210 that are respectively mounted on flying objects and relay communications between a terminal apparatus and a communication network via a feeder link for mobile communication, radio communication section 120 and 121 that transmit and receive control information to and from a remote control apparatus via a radio communication line for flight control different from the feeder link for mobile communication, and control sections (cell-optimization processing sections 122 and 123) that respectively control the relay communication stations based on the control information received from the remote control apparatus by the radio communication section.