WO2024252523A1 - Dispositif de conception de placement de station, procédé de conception de placement de station et programme - Google Patents

Dispositif de conception de placement de station, procédé de conception de placement de station et programme Download PDF

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Publication number
WO2024252523A1
WO2024252523A1 PCT/JP2023/021024 JP2023021024W WO2024252523A1 WO 2024252523 A1 WO2024252523 A1 WO 2024252523A1 JP 2023021024 W JP2023021024 W JP 2023021024W WO 2024252523 A1 WO2024252523 A1 WO 2024252523A1
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WO
WIPO (PCT)
Prior art keywords
design
wireless communication
value
station
placement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2023/021024
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English (en)
Japanese (ja)
Inventor
俊朗 中平
大輔 村山
聡 高谷
貴庸 守山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to PCT/JP2023/021024 priority Critical patent/WO2024252523A1/fr
Priority to JP2025525495A priority patent/JPWO2024252523A1/ja
Publication of WO2024252523A1 publication Critical patent/WO2024252523A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures

Definitions

  • This disclosure relates to design techniques for installing wireless communication base stations.
  • station placement design is carried out to determine the installation location of base stations and the direction of antennas.
  • methods such as the ray tracing method (Non-Patent Document 1) are used to perform a simulation evaluation of the coverage area.
  • the present invention was made in consideration of the above points, and aims to perform appropriate station placement design according to the intended use.
  • the invention of claim 1 is a station placement design device that designs the placement of a wireless communication base station, and has a selection unit that selects a top predetermined number of wireless communication devices that have a high second design value considered when performing the design among multiple candidate wireless communication devices to be installed as the base station and whose first design value considered when performing the design satisfies a first target value.
  • the present invention has the effect of enabling appropriate station placement design depending on the intended use.
  • FIG. 1 is an overall configuration diagram of a communication system according to an embodiment.
  • FIG. 2 is an electrical hardware configuration diagram of the station design apparatus according to the embodiment.
  • FIG. 2 is a diagram illustrating an electrical hardware configuration of a communication terminal according to the embodiment.
  • FIG. 2 is a functional configuration diagram of a station design device according to an embodiment.
  • FIG. 1 is a conceptual diagram of an area subject to station placement design. 4 is a flowchart showing a station placement design method executed by the station placement design device according to the embodiment. 1 is a flowchart showing a station placement design method executed by a station placement design device according to an embodiment.
  • the communication system 10 of the embodiment is constructed by a station placement design device 30 and a communication terminal 50.
  • the communication terminal 50 is managed and used by a user.
  • the user refers to the output result of the station placement design device 30 and decides on the next action to be taken.
  • the station design device 30 and the communication terminal 50 can communicate with each other via a communication network 100 such as the Internet.
  • the connection form of the communication network 100 may be either wireless or wired.
  • the station placement design device 30 is composed of one or more computers. When the station placement design device 30 is composed of multiple computers, it may be referred to as a "station placement design device” or a "station placement design system.”
  • the station placement design device 30 is a device that designs the installation of wireless communication base stations, and performs more appropriate station placement design by selecting an appropriate wireless communication device from candidates for wireless communication devices (5G antennas, Wi-Fi APs (Access Points), etc.) to be installed as a base station according to the intended use.
  • 5G antennas, Wi-Fi APs (Access Points), etc. 5G antennas, Wi-Fi APs (Access Points), etc.
  • the communication terminal 50 is a computer, and FIG. 1 shows a notebook computer as an example.
  • a user operates the communication terminal 50.
  • the station design device 30 may perform processing alone, without using the communication terminal 50.
  • FIG. 2 is a diagram showing the electrical hardware configuration of the station placement design device.
  • the SSD 304 reads and writes various data according to the control of the CPU 301. Note that a HDD (Hard Disk Drive) may be used instead of the SSD 304.
  • HDD Hard Disk Drive
  • the media I/F 309 controls the reading and writing (storing) of data to a recording medium 309m such as a flash memory.
  • Recording media 309m includes DVDs (Digital Versatile Discs) and Blu-ray Discs (registered trademarks).
  • the "design environment information” includes information showing the size of the area for which the station is designed, the size and location of structures, whether or not there is obstruction, a 3D map of the area, etc.
  • the "design condition information” includes information indicating the type of wireless communication method (5G, Wi-Fi, etc.) to be installed as a base station, the number of base stations that can be installed (inventory number, etc.), the positions (candidate base station installation positions) and directions in which base stations can be installed within the area targeted for station design, the evaluation positions for communication quality (signal strength) within the area targeted for station design, and the design derivation mode, etc.
  • the "wireless communication method” may also be simply referred to as the "communication method.”
  • the "design derivation modes" include a cost priority mode, a communication quality priority mode, and a cost and communication quality compatible mode, and are set in advance according to the purpose of use of the wireless communication device in each station design target area.
  • the cost priority mode is set for an area in an office where a PC or the like is operated
  • the communication quality priority mode is set for an area where a robot is remotely operated by remote control
  • the compatible mode is set for an area in an office where a robot is remotely operated.
  • the station design target area may, for example, be one floor of a building or a location section of an outdoor exhibition hall. Also, for example, one floor may be divided into multiple areas and a different mode may be set for each area.
  • the "design target information” includes communication quality such as radio wave strength (also called “received power”) and equipment cost for each type of wireless communication device (5G, Wi-Fi, etc.).
  • the equipment cost is the unit price of the wireless communication device, but may also include the installation cost of the wireless communication device.
  • each piece of information included in the design environment information, design condition information, and design goal information may be other than the examples given above.
  • the design goal information may include the operating cost of the equipment (power consumption, etc.) and a target value for this operating cost in addition to or instead of the equipment cost.
  • FIG. 5 is a conceptual diagram of the station placement design target area.
  • an indoor area is described, but an outdoor area may also be used.
  • multiple installation position candidates c1 to c6 are set at various points on the ceiling, radio wave quality evaluation positions e1 at various points on the floor, and structures s1, etc.
  • the throughput may be predicted from a conversion table of received power and throughput that is prepared in advance by acquiring experimental data or by link level simulation, for example.
  • the selection unit 35 judges whether there is one or more design result candidates in which each design value (equipment cost, communication quality value) satisfies all of the target values (equipment cost target value, communication quality target value) included in the design target information. That is, the selection unit 35 judges whether there is one or more design result candidates in which the design value (equipment cost) satisfies the equipment cost target value and the design value (communication quality value) satisfies the communication quality target value.
  • the selection unit 35 selects a design result candidate that satisfies all of the target values included in the design goal information. From the selected design result candidates, the selection unit 35 selects a specific wireless communication device that is a top predetermined number of design results with the highest inverse of device cost or communication quality value based on the priority between the target information included in the design goal information. For example, in an area where a robot is remotely operated, the communication quality has the highest priority, and the device cost has the second highest priority. Also, in an area where a PC (Personal Computer) or the like is operated in an office, the device cost has the highest priority, and the communication quality has the second highest priority.
  • PC Personal Computer
  • f c (c(i)) 0 (c(i) ⁇ c t )
  • f c (c(i)) ⁇ (c(i)> c t )
  • the selection unit 35 calculates each communication quality evaluation function f q (q(i)) that satisfies the target value of the communication quality and each cost evaluation function f c (c(i)) that indicates the cost corresponding to each f q (q(i)), as shown below.
  • the selection unit 35 selects a top predetermined number of design results from the selected design result candidates that have the highest design value for the inverse of the device cost or the highest design value for communication quality, based on the priority order between the goal information included in the design goal information.
  • the selection unit 35 calculates each total satisfaction level (T s (i)), and selects a top predetermined number of T s (i) having the highest total satisfaction level (T s (i)) as the design result.
  • the selection unit 35 selects a top predetermined number of wireless communication devices from among multiple candidate wireless communication devices to be installed as base stations, which have the highest sum of the first target value achievement degree (e.g., achievement degree below a predetermined value) of a first design value (e.g., device cost or operating cost) taken into account when performing the design and the second target value achievement degree (e.g., achievement degree above a predetermined value) of a second design value (e.g., communication quality) taken into account when performing the design.
  • a first target value achievement degree e.g., achievement degree below a predetermined value
  • a first design value e.g., device cost or operating cost
  • the second target value achievement degree e.g., achievement degree above a predetermined value
  • a second design value e.g., communication quality

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'objectif de la présente divulgation est de fournir une conception de placement de station appropriée selon l'utilisation prévue.　À cet effet, la présente divulgation concerne un dispositif de conception de placement de station pour concevoir le placement de stations de base pour des communications sans fil, le dispositif de conception de placement de station comprenant une unité de sélection qui effectue un traitement pour sélectionner, parmi une pluralité de dispositifs de communication sans fil candidats à installer en tant que stations de base, un nombre désigné de dispositifs de communication sans fil pour lesquels une première valeur de conception à considérer dans la conception satisfait une première valeur cible, dans l'ordre de la seconde valeur de conception la plus élevée à considérer dans la conception.
PCT/JP2023/021024 2023-06-06 2023-06-06 Dispositif de conception de placement de station, procédé de conception de placement de station et programme Ceased WO2024252523A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2023/021024 WO2024252523A1 (fr) 2023-06-06 2023-06-06 Dispositif de conception de placement de station, procédé de conception de placement de station et programme
JP2025525495A JPWO2024252523A1 (fr) 2023-06-06 2023-06-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/021024 WO2024252523A1 (fr) 2023-06-06 2023-06-06 Dispositif de conception de placement de station, procédé de conception de placement de station et programme

Publications (1)

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WO2024252523A1 true WO2024252523A1 (fr) 2024-12-12

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WO (1) WO2024252523A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08317458A (ja) * 1995-05-19 1996-11-29 Sanyo Electric Co Ltd Ｐｈｓ基地局の設置パターン決定方法
JP2001285923A (ja) * 2000-03-31 2001-10-12 Mitsubishi Electric Corp 基地局配置パターン決定方法
JP2015109596A (ja) * 2013-12-05 2015-06-11 株式会社日立製作所 センサネットワークシステムの設計支援装置および設計支援方法
WO2020004171A1 (fr) * 2018-06-27 2020-01-02 日本電気株式会社 Dispositif de gestion de changement d'agencement, procédé de gestion de changement d'agencement, et support d'enregistrement dans lequel un programme de gestion de changement d'agencement est stocké

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08317458A (ja) * 1995-05-19 1996-11-29 Sanyo Electric Co Ltd Ｐｈｓ基地局の設置パターン決定方法
JP2001285923A (ja) * 2000-03-31 2001-10-12 Mitsubishi Electric Corp 基地局配置パターン決定方法
JP2015109596A (ja) * 2013-12-05 2015-06-11 株式会社日立製作所 センサネットワークシステムの設計支援装置および設計支援方法
WO2020004171A1 (fr) * 2018-06-27 2020-01-02 日本電気株式会社 Dispositif de gestion de changement d'agencement, procédé de gestion de changement d'agencement, et support d'enregistrement dans lequel un programme de gestion de changement d'agencement est stocké

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