KR20210064335A - Display method, program, display device, measurement device, and measurement display system - Google Patents

Abstract

An object is to provide a display method, a program, a display device, a measurement device, and a measurement display system that enable setting of a frequency channel suitable for wireless communication. The display method includes an acquisition step and a display step. The acquisition step acquires the degree of congestion determined based on the intensity of radio waves for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The display step displays the congestion situation based on the respective congestion levels of the plurality of specific frequency channels.

Description

Display method, program, display device, measurement device, and measurement display system

TECHNICAL FIELD The present disclosure relates generally to a display method, a program, a display device, a measurement device, and a measurement display system. The present disclosure particularly relates to a display method, a program, a display device, a measurement device, and a measurement display system for selection of a frequency channel used for wireless communication.

Patent Document 1 discloses a lighting system including a plurality of lighting fixtures and a terminal device. In a lighting system, a server apparatus is used in order to provide setting information of a lighting fixture to a terminal apparatus, and a server apparatus and a terminal apparatus, or a server apparatus and a lighting fixture perform wireless communication.

However, wireless communication is susceptible to influence by the surrounding environment, and depending on the method of selecting a frequency channel for wireless communication, there may be cases in which wireless communication between devices cannot be performed. Therefore, when installing a system (wireless communication system) using wireless communication, it is preferable to select an appropriate frequency channel in consideration of the influence of the surrounding environment on wireless communication. However, it is difficult to judge the influence of such a surrounding environment on wireless communication with the five senses of human beings.

Japanese Patent Laid-Open No. 2017-162719

An object is to provide a display method, a program, a display device, a measurement device, and a measurement display system that enable setting of a frequency channel suitable for wireless communication.

A display method of one aspect of the present disclosure includes an acquisition step and a display step. The acquisition step is a step of acquiring a degree of congestion determined based on radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for wireless communication using radio waves as a medium. The display step is a step of displaying a congestion situation based on the respective congestion levels of the plurality of specific frequency channels.

A program of one aspect of the present disclosure is a program for causing one or more processors to execute the display method.

A display device according to an aspect of the present disclosure includes an acquisition unit and a display unit. The acquisition unit acquires, for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium, a degree of congestion determined based on the intensity of radio waves. The display unit displays the congestion situation based on the respective congestion levels of the plurality of specific frequency channels.

A measurement device according to an aspect of the present disclosure includes a measurement unit and a determination unit. The measurement unit measures radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The determination unit determines a congestion degree for each of the plurality of specific frequency channels based on radio wave strength.

A measurement and display system of one aspect of the present disclosure includes a measurement unit, a determination unit, and a display unit. The measurement unit measures radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The determination unit determines a congestion degree for each of the plurality of specific frequency channels based on radio wave strength. The display unit displays the congestion situation based on the respective congestion levels of the plurality of specific frequency channels.

1 is a block diagram of a measurement display system according to an embodiment.
2 : is a figure which shows an example of the screen displayed by the said measurement display system.
Fig. 3 is a block diagram of an example (load control system) of a radio communication system.
4 : is explanatory drawing of the said measurement display system.
5 : is a figure which shows an example of the screen displayed by the said measurement display system.
6 : is a figure which shows an example of the screen displayed by the said measurement display system.
7 : is a figure which shows an example of the screen displayed by the said measurement display system.
8 : is a figure which shows an example of the screen displayed by the said measurement display system.
9 is a flowchart of the operation of the measurement and display system.

1. Embodiment

1. 1 Overview

1 shows a measurement display system 10 that implements the display method of one embodiment. The display method of this embodiment includes an acquisition step and a display step. The acquisition step is a step of acquiring a degree of congestion determined based on radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The display step is a step of displaying the congestion situation based on the respective congestion levels of the plurality of specific frequency channels. The measurement display system 10 displays the display screen P10 shown in FIG. 2 by executing the display method. On the display screen P10, congestion conditions are displayed in the display areas R21 to R26 and the display areas R31 to R36.

According to the display method of this embodiment, the congestion situation is displayed based on the respective congestion degrees of a plurality of specific frequency channels. Accordingly, the user can judge the influence of the surrounding environment on the wireless communication as an index of the congestion situation. Thereby, the user can reliably select a frequency channel suitable for wireless communication. Accordingly, according to the display method of the present embodiment, it is possible to set a frequency channel suitable for wireless communication.

1. 2 details

Hereinafter, the display method of this embodiment is demonstrated in more detail. The display method of this embodiment is executed by the measurement display system 10 shown in FIG. 1 . The measurement display system 10 can be used when installing a wireless communication system that performs wireless communication using radio waves as a medium. In particular, the measurement display system 10 can be used to determine a frequency channel suitable for use by the wireless communication system at a place where installation of the wireless communication system is planned.

3 shows a load control system 100, which is an example of a wireless communication system. The load control system 100 is a system for controlling a load. The load control system 100 is, as shown in FIG. 3, the setting system 600, the management apparatus 200, the controller 300, several (here, three) relay 400, several lighting fixtures. 500 , and a setting system 600 . In the load control system 100 , the lighting fixture 500 is a load. That is, the load control system 100 has an aspect as a lighting control system which controls a lighting fixture.

The management device 200 is connected to a plurality of relays 400 by a two-wire communication line. The management device 200 controls the operation state of the plurality of relays 400 collectively or individually via a communication line. Here, the operation state includes an on state and an off state, and the management device 200 performs a process for switching the relay 400 from an on state to an off state, and a process for switching the relay 400 from the off state to the on state. do

One or more lighting fixtures 500 are connected to each of the plurality of relays 400 . When it is necessary to describe the some lighting equipment 500 individually, it describes as lighting equipment 501, 502, ..., 508. The plurality of relays 400 are connected to a power supply (eg, commercial power supply) for supplying power, and when the relay 400 is in an ON state, the relay 400 transmits power from the power supply to the relay 400 . ) is supplied to the lighting fixture 500 connected to. When the relay 400 is in the off state, the relay 400 does not supply electric power from the power source to the lighting fixture 500 connected to the relay 400 .

The controller 300 is connected to the management device 200 by wire. The controller 300 stores setting information including a plurality of groups, and based on an instruction from the management device 200, a plurality of lighting fixtures 500 each belonging to any one group among a plurality of groups. control for each group of For example, the controller 300 controls at least one of dimming and toning of one or more lighting fixtures 500 included in the group to be controlled based on an instruction from the management device 200 .

The some lighting fixtures 500 are comprised so that communication with the setting system 600 and the controller 300 is possible. Each lighting fixture 500 is configured to enable communication in a plurality of communication systems. In the present embodiment, communication by wireless communication using low-power wireless (specific low-power wireless) wireless communication that does not require a license, and wireless communication using infrared rays with higher directivity than communication by low-power wireless communication way to communicate. Here, in low-power wireless (specific low-power wireless) wireless communication, the amount of data that can be transmitted per unit time (for example, 1 second) is larger than that of infrared communication. For low-power radios, specifications such as frequency bands and aerial power to be used according to applications and the like are stipulated in each country. In Japan, low-power radio using radio waves in the 920 MHz band or 420 MHz band is prescribed. In the following description, a communication method by wireless communication using infrared is referred to as an infrared communication method, and a communication method by wireless communication using low-power radio is referred to as a radio communication method, respectively.

Each lighting fixture 500 receives a signal from the setting system 600 by wireless communication by an infrared communication method. When each lighting fixture 500 transmits information to the setting system 600, it transmits by radio|wireless communication by an electric wave communication method. In addition, each lighting fixture 500 communicates with the controller 300 by wireless communication by a radio wave communication method.

In the load control system 100 , the setting system 600 propagates the first identifier and the second identifier to the controller 300 when the group affiliation is changed for one lighting fixture 500 . transmitted by communication method. A 1st identifier is an identifier of the lighting fixture 500 used as the change object of a group. A 2nd identifier is the identifier of the lighting fixture 500 of the group to which the lighting fixture 500 of a change object belongs after a change. The controller 300, by using the first identifier and the second identifier, changes the configuration of the group so that the lighting equipment 500 to be changed belongs to the group to which the lighting equipment 500 of the second identifier belongs, that is, Change the setting information. When a new group is included in setting information, the setting system 600 transmits the identifier (3rd identifier) of the lighting fixture 500 which belongs to a new group to the controller 300 by a radio wave communication method. The controller 300 uses the third identifier to create a new group to which the lighting fixture 500 belongs, and is included in the setting information, and updates (changes) the setting information.

In this way, in the load control system 100 , the lighting fixture 500 , the controller 300 , and the setting system 600 communicate by wireless communication using the radio wave communication method. The measurement and display system 10 may be used for selection of a frequency channel suitable for wireless communication by a radio wave communication method in the load control system 100 .

As shown in FIG. 1 , the measurement display system 10 includes a display device 20 and a plurality of measurement devices 30 .

As an example, the measurement display system 10 includes six measurement devices 30 . As shown in FIG. 4, the six measurement apparatuses 30 are provided in the points P1 - P6 from which the facilities 700 differ.

The facility 700 is a place where the wireless communication system (load control system 100) is to be installed. The points P1 to P6 may be points at which devices (such as lighting fixtures) that perform wireless communication in the load control system 100 are installed.

In FIG. 4, the facility 700 has shown 1 floor of a building. Examples of the facility 700 include, in addition to a detached house, a collective house (household, common area), a store, and a building (the whole building, within the floor). In addition, the facility 700 may include not only a building but a building and the site where the building exists, for example, a factory, a park, a hospital, a commercial facility, etc. are mentioned.

Each measurement device 30 includes a communication unit 31 and a processing unit 32 . The communication unit 31 and the processing unit 32 may be accommodated in the same housing.

The communication unit 31 is a communication interface. The communication unit 31 has a function of communicatively connecting the measurement device 30 to the display device 20 . The communication unit 31 complies with a predetermined communication protocol. The predetermined communication protocol may be selected from various well-known wired and wireless communication standards (eg, a light line communication protocol, a wireless communication protocol, an infrared communication protocol, an extended HBS protocol, and a Lon Talk (registered trademark) protocol). Moreover, as an example of a wireless communication protocol, the standard of a specific low power wireless radio and the standard of a wireless LAN (Local Area Network) are mentioned. As a standard of a specific low-power radio, the standard of Wi-SUN (trademark) and Wi-SUN HAN (trademark) are mentioned. Wi-Fi (trademark) is mentioned as a standard of a wireless LAN.

The processing unit 32 is configured to control the overall control of the measurement device 30 , that is, to control the communication unit 31 . The processing unit 32 may be realized by a computer system including one or more processors (microprocessors) and one or more memories. That is, one or more processors function as the processing unit 32 by executing one or more programs (applications) stored in one or more memories. Although the program is recorded in advance in the memory of the processing unit 32 here, the program may be recorded and provided through a telecommunication line such as the Internet or in a non-transitory recording medium such as a memory card.

The processing unit 32 includes a measurement unit F31 and a determination unit F32 . The measurement unit F31 and the determination unit F32 do not represent an actual configuration, but represent functions realized by the processing unit 32 .

The measurement unit F31 is configured to measure the radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. In particular, in the present embodiment, the measurement unit F31 is configured to measure the radio wave intensity for each of a plurality of specific frequency channels using the communication unit 31 . The radio wave intensity is expressed by the intensity of the radio wave (radio signal) received by the communication unit 31 for each of a plurality of specific frequency channels. From another point of view, the radio wave intensity can be said to be the intensity of the electric field at the location where the communication unit 31 is located.

Here, a plurality of frequency channels are used in radio communication performed by the load control system 100 using radio waves as a medium. As an example, a plurality of frequency channels are included in the 920 MHz band. Specifically, the plurality of frequency channels are 923.8, 924.0, 924.2, 924.4, 924.6, 924.8, 925.0, 925.2, 925.4, 925.6, 925.8, 926.0, 926.2, 926.4, 926.6, 926.8, 927.0, 927.2, 927.4, 927.6, 927.8 and 928.0 are the 22 frequency channels. The plurality of specific frequency channels may be two or more frequency channels selected from the plurality of frequency channels. As an example, the plurality of specific frequency channels may be 11 frequency channels of 923.8, 924.2, 924.6, 925.0, 925.4, 925.8, 926.2, 926.6, 927.0, 927.4, and 927.8. On the other hand, all of the plurality of frequency channels may be used as the plurality of specific frequency channels.

In the present embodiment, the measurement unit F31 measures the radio wave intensity a plurality of times for each of a plurality of specific frequency channels. For example, the measurement unit F31 measures the radio wave intensity at regular intervals during a predetermined period. As an example, the predetermined period may be 10 seconds, and the constant interval may be 0.1 seconds. In this case, a measured value of 100 is obtained for the radio wave intensity of one specific frequency channel.

The determination unit F32 is configured to determine the degree of congestion for each of the plurality of specific frequency channels based on the radio wave intensity. For each of the plurality of specific frequency channels, the degree of congestion is determined by the congestion rate obtained from the radio wave intensity. The congestion rate is expressed as a ratio in which the radio wave intensity becomes equal to or greater than a threshold value when the radio wave intensity is measured a plurality of times. In the present embodiment, the congestion rate is expressed as a percentage. As described above, the measurement unit F31 obtains a measurement value of 100 with respect to the radio wave intensity of one specific frequency channel. Here, if the number of measured values equal to or greater than the threshold is 15, the congestion rate is 15%. The threshold value is appropriately determined in consideration of the possibility of an influence on radio communication of the radio wave intensity exceeding the threshold value. The determining unit F32 sets the congestion rate obtained for each of the plurality of specific frequency channels as the congestion degree.

The display device 20 includes an input/output unit 21 , a communication unit 22 , and a processing unit 23 , as shown in FIG. 1 . The input/output unit 21 , the communication unit 22 , and the processing unit 23 may be accommodated in the same housing. The display device 20 is an information terminal, for example, a smartphone. Meanwhile, the display device 20 may be realized by a portable terminal such as a tablet terminal or a wearable terminal, or a personal computer.

The input/output unit 21 includes an input device for operating the display device 20 . The input device has, for example, a touch pad and/or one or more buttons. In addition, the input/output unit 21 includes an image display device for displaying time information. An image display apparatus is a thin display apparatus, such as a liquid crystal display and an organic electroluminescent display. In addition, a touch panel may be comprised by the touch pad of the input/output part 21, and an image display apparatus.

The communication unit 22 is a communication interface. The communication unit 22 has a function of communicatively connecting the display device 20 to the measurement device 30 . The communication unit 22 is compliant with a predetermined communication protocol. The predetermined communication protocol may be selected from various well-known wired and wireless communication standards (eg, a light line communication protocol, a wireless communication protocol, an infrared communication protocol, an extended HBS protocol, and a Lon Talk (registered trademark) protocol). Moreover, as an example of a wireless communication protocol, the standard of a specific low power wireless radio and the standard of a wireless LAN (Local Area Network) are mentioned. As a standard of a specific low-power radio, the standard of Wi-SUN (trademark) and Wi-SUN HAN (trademark) are mentioned. Wi-Fi (trademark) is mentioned as a standard of a wireless LAN.

The processing unit 23 is configured to control the overall control of the display device 20 , that is, to control the input/output unit 21 and the communication unit 22 . The processing unit 23 may be realized by a computer system including one or more processors (microprocessors) and one or more memories. That is, one or more processors function as the processing unit 23 by executing one or more programs (applications) stored in one or more memories. Although the program is recorded in advance in the memory of the processing unit 23 here, the program may be recorded and provided through a telecommunication line such as the Internet or in a non-transitory recording medium such as a memory card.

The processing unit 23 includes an acquisition unit F21 and a display unit F22 . The acquisition unit F21 and the display unit F22 do not represent an actual configuration, but represent functions realized by the processing unit 23 .

The acquisition unit F21 is configured to acquire a degree of congestion determined based on radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. That is, the acquisition unit F21 performs a step (acquisition) of acquiring a degree of congestion determined based on the intensity of radio waves for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. step) is executed.

In the present embodiment, the acquisition unit F21 acquires the congestion degree from one or more measurement devices 30 . In the present embodiment, the acquisition unit F21 acquires the congestion degree from the measurement device 30 . The acquisition unit F21 makes a request for the congestion level to the measurement device 30 via the communication unit 22 , and thereby acquires the congestion level from the measurement device 30 . Since the measurement display system 10 includes the plurality of measurement devices 30 , the acquisition unit F21 acquires the congestion degree from each of the plurality of measurement devices 30 . In the present embodiment, the respective congestion levels of a plurality of specific frequency channels are obtained from the measurement devices 30 where the facilities 700 are placed at different points P1 to P6, and the congestion levels are indicated by the congestion rates. That is, for each of the specific frequency channels, the congestion rates at different points P1 to P6 are obtained. Moreover, the acquisition part F21 does not request|require the congestion degree for every measurement device 30, but requests|requires the congestion degree for every specific frequency channel. That is, after acquiring the degree of congestion from all the measurement devices 30 for one of the plurality of specific frequency channels, the acquisition unit F21 acquires the degree of congestion from all the measurement devices 30 for the next specific frequency channel. do. In this way, the acquisition unit F21 acquires the congestion degree for each of a plurality of specific frequency channels.

The display unit F22 is configured to display the congestion situation based on the respective congestion levels of the plurality of specific frequency channels. That is, the display unit F22 executes a step (display step) of displaying the congestion situation based on the respective congestion levels of the plurality of specific frequency channels.

In this embodiment, the display part F22 displays the congestion situation based on the congestion degree acquired by the acquisition part F21. In the present embodiment, the display unit F22 displays representative values of one or more congestion rates at one or more points for each of a plurality of specific frequency channels, instead of displaying all the congestion levels acquired by the acquisition unit F21. do. That is, the congestion situation includes representative values of one or more congestion rates at one or more points for each of a plurality of specific frequency channels. Here, the representative value is the highest value (the highest value of the congestion rate) among one or more congestion rates. In the present embodiment, for each of the specific frequency channels, the congestion rates at different points P1 to P6 are obtained. Therefore, the highest congestion rate among the congestion rates at different points P1 to P6 is used as a representative value of the congestion rate. Moreover, in this embodiment, the congestion situation includes the indication used as the reference|standard of the congestion degree. The indication used as a criterion for the degree of congestion is either a recommendation mark indicating a frequency channel that can be recommended for use or a congestion mark indicating a congested frequency channel. In this embodiment, the recommendation mark is indicated by "○", and the congestion mark is indicated by "Δ". If the congestion level of the specific frequency channel is less than the prescribed value, a recommendation mark is displayed. If the congestion level of the specific frequency channel is higher than the prescribed value, the congestion mark is displayed. In this embodiment, since the degree of congestion at a plurality of points P1 to P6 is obtained for one specific frequency channel, a representative value of the congestion rate is used as the degree of congestion of the specific frequency channel. The prescribed value is appropriately determined in consideration of the feasibility of wireless communication in a congestion degree greater than or equal to the prescribed value. For example, the prescribed value may be set to 10 [%].

In the present embodiment, the display unit F22 displays the result display screen D10 (refer to FIGS. 2 and 5 to 8 ) for displaying the congestion situation on the image display device of the input/output unit 21 . On the other hand, in Figs. 2 and 5 to 8, the reference numerals and their accompanying symbols (indicating lines, arrows, etc.) are described for explanation of the result display screen D10, and what is included in the result display screen D10 itself. no. On the other hand, in Fig. 2 and Figs. 5 to 8, examples in which congestion conditions are displayed for six specific frequency channels are shown only in order to make the explanation easy to understand.

Hereinafter, the result display screen D10 is demonstrated. As shown in Fig. 2, the result display screen D10 includes group boxes G11 to G16, labels L11 to L14, and buttons B21 and B22.

The group boxes G11 to G16 respectively correspond to a plurality of specific frequency channels. On the other hand, in Fig. 2, group boxes G11 to G16 correspond to six specific frequency channels among a plurality of specific frequency channels. The group boxes G11 to G16 include radio buttons B11 to B16, (first) display areas R11 to R16, (second) display areas R21 to R26, and (third) display areas R31 to R36, respectively. .

Radio buttons B11 to B16 are used to select a specific frequency channel used in radio communication from a plurality of specific frequency channels.

The first display areas R11 to R16 are used for display of identification information for identifying a plurality of specific frequency channels. The identification information is, for example, a name exclusively assigned to a specific frequency channel. In FIG. 2 , “1CH” in the first display region R11, “2CH” in the first display region R12, “3CH” in the first display region R13, “4CH” in the first display region R14, and “4CH” in the first display region R15 "5CH" and "6CH" are displayed in the first display area R16.

The second display areas R21 to R26 and the third display areas R31 to R36 indicate the congestion situation of the corresponding specific frequency channel. The second display areas R21 to R26 are used to display the standard of the congestion level. In Fig. 2, a recommendation mark ("○") is displayed in the second display areas R21, R23, R25, and R26, and a congestion mark ("Δ") is displayed in the second display areas R22 and R24. The third display areas R31 to R36 are used to display representative values of the congestion rate. In FIG. 2 , “1” in the third display region R31, “15” in the third display region R32, “1” in the third display region R33, “100” in the third display region R34, and “100” in the third display region R35 "0" and "2" are displayed in the third display area R36.

Labels L11 are arranged in correspondence with radio buttons B11 to B16, and indicate the roles of radio buttons B11 to B16. In Fig. 2, the label L11 indicates the character string "selection". Labels L12 are arranged corresponding to the first display areas R11 to R16, and display explanations of display contents of the first display areas R11 to R16. In Fig. 2, the label L12 indicates a character string of "channel". Labels L13 are arranged corresponding to the second display areas R21 to R26, and display explanations of display contents of the second display areas R21 to R26. In Fig. 2, the label L13 indicates the character string "search result". Labels L14 are arranged corresponding to the third display areas R31 to R36, and display explanations of display contents of the third display areas R31 to R36. In Fig. 2, the label L14 indicates a character string of "level".

The button B21 is a button for terminating the display of the result display screen D10. When the button B21 is operated, the display unit F22 ends the display of the result display screen D10. Moreover, when the acquisition unit F21 has not acquired the congestion degree from all of the specified frequency channels, the operation of acquiring the congestion degree is stopped. Button B22 is a button for determining use of a specific frequency channel selected by radio buttons B11 to B16. When the button B22 is operated, the display device 20 notifies the load control system 100 of information about the specific frequency channel being selected by the radio buttons B11 to B16. The load control system 100 may set a frequency channel according to the notification from the display device 20 .

The display unit F22 updates the congestion state of the specific frequency channel for which the congestion level was acquired by the acquisition unit F21 whenever the congestion degree is acquired by the acquisition unit F21. That is, the display unit F22 displays the result display screen D10 even if the degree of congestion of all specific frequency channels is not acquired by the acquisition unit F21, and displays the result display screen D10 whenever the congestion level is obtained by the acquisition unit F21 update In more detail, the display unit F22 displays the result display screen D10 shown in FIG. 5 when the congestion degree of a specific frequency channel is not acquired by the acquisition unit F21. In the result display screen D10 of FIG. 5 , neither the recommendation mark nor the congestion mark are displayed in the second display areas R21 to R26, and the congestion level is not displayed in the third display areas R31 to R36 as well. That is, the congestion situation is not displayed on the result display screen D10. And whenever the congestion degree is acquired by the acquisition part F21, the display part F22 updates the congestion state of the specific frequency channel from which the congestion degree was acquired by the acquisition part F21. Fig. 6 shows the result display screen D10 when the congestion degree of a specific frequency channel corresponding to "1CH" and "2CH" is acquired by the acquisition unit F21. 6, in the specific frequency channels corresponding to "1CH" and "2CH", the second display areas R21 and R22 and the third display areas R31 and R32 are updated. That is, a recommendation mark ("○") is displayed in the second display area R21, and a congestion mark ("Δ") is displayed in the second display area R22. In addition, "1" is displayed in the third display area R31 and "15" is displayed in the third display area R32. And when the congestion degree of all the specific frequency channels is acquired by the acquisition part F21, as shown in FIG. 2, the congestion situation of all the specific frequency channels is displayed.

Further, the display unit F22 is configured to display recommending the use of a specific frequency channel having the lowest degree of congestion among a plurality of specific frequency channels. In particular, the display unit F22 is configured to display recommending use of a specific frequency channel having a congestion degree less than a prescribed value and having the lowest degree of congestion among a plurality of specific frequency channels. That is, the display unit F22 selects a specific frequency channel having the lowest degree of congestion from a specific frequency channel having a congestion degree less than a prescribed value among a plurality of specific frequency channels as a frequency channel recommended to be used.

The display unit F22 displays a screen D11 indicating a frequency channel recommended to be used, as shown in FIG. 7 . In Fig. 7, the screen D11 is displayed overlaid on the result display screen D10. The screen D11 includes a display area R41 for displaying information on a frequency channel recommended for use. For example, as for the congestion degree (a representative value of the congestion rate in this embodiment), as shown in FIG. 2, the frequency channel of CH1 is "1". The frequency channel of CH2 is "15". The frequency channel of CH3 is "1". The frequency channel of CH4 is "100". The frequency channel of CH5 is "0". The frequency channel of CH6 is "2". In this case, the display unit F22 selects a recommended frequency channel (recommended channel) from among the frequency channels whose congestion level is less than the prescribed value (here, 10), that is, from the four frequency channels CH1, CH3, CH5, and CH6. do. In other words, the display unit F22 selects a frequency channel recommended for use from the frequency channels with the recommendation mark. Here, the frequency channel of CH5 has the lowest degree of congestion at 0. Therefore, the display unit F22 selects the frequency channel of CH5 as the recommended frequency channel to use, and on the screen D11, in the display area R41, a message such as "The recommendation based on the result of this check is 5CH" is displayed. do.

On the other hand, the display unit F22 is configured to display recommending re-acquisition of each congestion level of the plurality of specific frequency channels when the congestion degree of any of the plurality of specific frequency channels is not less than the prescribed value. In this case, the display unit F22 displays a screen D12 that recommends re-acquisition of the congestion level, as shown in FIG. 8 . In Fig. 8, the screen D12 is displayed overlaid on the result display screen D10. The screen D12 includes a display area R42 for displaying a message recommending re-acquisition of the congestion level. On screen D12, in the display area R42, "There are no channels that can be recommended based on the results of this check. Please check again.” is displayed. This is because it is considered that it is difficult to stably establish wireless communication unless a specific frequency channel having a congestion degree less than a prescribed value does not exist. In such a case, acquisition of the congestion degree of a plurality of specific frequency channels is urged again. On the other hand, in Fig. 8, a screen for recommending re-acquisition of the congestion degree is displayed as screen D12. Alternatively, a screen for prompting the user to select a desired frequency channel from among a plurality of frequency channels may be displayed.

1.3 action

Hereinafter, the operation of the measurement display system 10 will be briefly described with reference to FIG. 9 .

First, when an operation for starting display of a congestion situation is performed on the display device 20 , the display unit F22 displays the result display screen D10 on the image display device of the input/output unit 21 as shown in FIG. 5 . do.

Moreover, in the display apparatus 20, the acquisition part F21 transmits the request|requirement of the congestion degree of a specific frequency channel to each measurement apparatus 30 (S11).

In the measurement device 30 , in response to a request from the acquisition unit F11 of the display device 20 , the measurement unit F31 measures the radio wave intensity for a specific frequency channel for which the degree of congestion is requested ( S12 ), and the determination unit F32 ). determines the degree of congestion (congestion rate) (S13). The measurement device 30 transmits the congestion level determined by the determination unit F32 to the display device 20 .

In the display device 20 , the acquisition unit F21 acquires the congestion degree of a specific frequency channel from each measurement device 30 . Then, based on the congestion degree of the specific frequency channel in each measurement device 30, the display part F22 displays the congestion situation on the result display screen D10 as shown in FIG.2 and FIG.6 (S14).

Here, if the congestion degree of all the frequency channels specified by the acquisition unit F21 is not acquired (S15: No), the process returns to step S11. And in step S11, the acquisition part F21 transmits to each measurement apparatus 30 the request|requirement of the congestion degree of the specific frequency channel for which the congestion degree has not yet acquired.

On the other hand, when the congestion degree of all the specific frequency channels is acquired by the acquisition part F21 (S15: Yes), as shown in FIG. 2, the result display screen D10 in which the congestion situation is displayed for all the specific frequency channels is displayed. Further, the display unit F22 determines whether or not a specific frequency channel whose congestion degree is less than a prescribed value exists (S16).

Here, if there exists a specific frequency channel whose congestion degree is less than the prescribed value (S16: Yes), the display unit F22 displays the screen D11 as shown in FIG. 7 and selects a recommended frequency channel (recommended channel). is displayed (S17).

On the other hand, if there is no specific frequency channel whose congestion level is less than the prescribed value (S16: No), the display unit F22 displays the screen D12 as shown in Fig. 8 and recommends re-acquisition of the congestion level (S18).

1. 4 Summary

The display device 20 described above includes an acquisition unit F21 and a display unit F22 . The acquisition unit F21 is configured to acquire a degree of congestion determined based on radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The display unit F22 is configured to display the congestion situation based on the respective congestion levels of the plurality of specific frequency channels. According to this display device 20, it is possible to set a frequency channel suitable for wireless communication.

In other words, it can be said that the display device 20 executes the following method (display method). The display method includes an acquisition step and a display step. The acquisition step is a step of acquiring a degree of congestion determined based on radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The display step is a step of displaying the congestion situation based on the respective congestion levels of the plurality of specific frequency channels. According to this display method, similar to the display device 20, it is possible to set a frequency channel suitable for wireless communication.

The display method is realized by one or more processors executing a program (computer program). This program is a program for causing one or more processors to execute a display method. According to such a program, similar to the display method, it is possible to set a frequency channel suitable for wireless communication.

Moreover, the measurement apparatus 30 described above is equipped with the measurement part F31 and the determination part F32. The measurement unit F31 is configured to measure the radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The determination unit F32 is configured to determine the degree of congestion for each of the plurality of specific frequency channels based on the radio wave intensity. According to this measurement device 30, it is possible to set a frequency channel suitable for wireless communication.

In other words, it can be said that the measurement device 30 executes the following method (measurement method). The measurement method includes a measurement step and a determination step. The measurement step is a step of measuring the radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The determining step is a step of determining the degree of congestion for each of the plurality of specific frequency channels based on the radio wave intensity. According to this measurement method, similarly to the measurement device 30, it is possible to set a frequency channel suitable for wireless communication.

The measurement method is realized by one or more processors executing a program (computer program). This program is a program for causing one or more processors to execute a measurement method. According to such a program, it becomes possible to set the frequency channel suitable for wireless communication similarly to a measurement method.

Moreover, the measurement display system 10 described above is equipped with the measurement part F31, the determination part F32, and the display part F22. The measurement unit F31 is configured to measure the radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The determination unit F32 is configured to determine the degree of congestion for each of the plurality of specific frequency channels based on the radio wave intensity. The display unit F22 is configured to display the congestion situation based on the respective congestion levels of the plurality of specific frequency channels. According to this measurement and display system 10, it becomes possible to set a frequency channel suitable for wireless communication.

In other words, it can be said that the measurement display system 10 executes the following method (measurement display method). The measurement display method includes a measurement step, a determination step, and a display step. The measurement step is a step of measuring the radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The determining step is a step of determining the degree of congestion for each of the plurality of specific frequency channels based on the radio wave intensity. The display step is a step of displaying the congestion situation based on the respective congestion levels of the plurality of specific frequency channels. According to this measurement display method, similar to the measurement display system 10, it becomes possible to set a frequency channel suitable for wireless communication.

The measurement display method is realized by one or more processors executing a program (computer program). This program is a program for causing one or more processors to execute the measurement display method. According to such a program, it becomes possible to set a frequency channel suitable for wireless communication similarly to a measurement and display method.

2. Variations

Embodiment of this indication is not limited to the said embodiment. Various changes are possible in the said embodiment according to design etc. as long as the objective of this indication can be achieved. Modifications of the above embodiments are listed below.

In the above embodiment, each measurement device 30 obtains one congestion rate for each specific frequency channel. In this case, the congestion degree corresponds to the congestion rate. However, the congestion degree may be a sequence including a congestion rate of 2 or more, or a value calculated from a congestion rate of 2 or more. In one modification, each measurement device 30 may obtain a plurality of (two or more) congestion rates for each specific frequency channel. That is, each measurement device 30 may obtain|require the congestion rate multiple times with respect to the same frequency channel. In this case, for each of a plurality of specific frequency channels, a plurality of congestion rates at the same point are obtained. In addition, the congestion situation may include representative values of a plurality of congestion rates at the same point for each of a plurality of specific frequency channels.

In the above embodiment, for each specific frequency channel, congestion rates at a plurality of points are obtained. And, the congestion situation displayed on the display unit F22 includes representative values of a plurality of congestion rates obtained for a plurality of different points for each of a plurality of specific frequency channels. In order to obtain a congestion rate at a plurality of points for each specific frequency channel, in the above embodiment, the measurement devices 30 are respectively provided at a plurality of points (see P1 to P6 in Fig. 4 ). In a modification, the congestion rate may be obtained at a plurality of points using a single measurement device 30 . That is, it is not essential to use the plurality of measurement devices 30 .

In other words, the congestion situation may include representative values of one or more congestion rates at one or more points for each of a plurality of specific frequency channels. The representative value may be a value obtained mathematically, such as an average value of a plurality of congestion rates, a mode value, a minimum value, and a maximum value. As the representative value, it is preferable to use the highest value, that is, a value at the time of the most congestion, in consideration of the reliability of establishment of wireless communication.

In the above embodiment, the degree of congestion is evaluated by the congestion rate. Here, the congestion rate is expressed as a ratio in which the radio wave intensity becomes equal to or greater than the threshold value when the radio wave intensity is measured a plurality of times. In one modification, the congestion rate may be a representative value of the radio wave intensity when the radio wave intensity is measured a plurality of times. The representative value may be a value obtained mathematically, such as an average value, a mode value, a minimum value, and a maximum value of a plurality of congestion rates. However, the congestion rate is more effective in setting a frequency channel suitable for radio communication when the radio wave intensity is measured a plurality of times and is expressed as a ratio at which the radio wave intensity becomes greater than or equal to the threshold.

In the above embodiment, the congestion situation includes representative values of one or more congestion rates at one or more points for each of a plurality of specific frequency channels. However, the congestion situation may include the congestion degree itself instead of the representative value of the congestion rate. Moreover, although the congestion situation includes the indication used as a reference|standard of a congestion degree, it does not necessarily include the indication used as a reference|standard of a congestion degree.

In the above embodiment, the degree of congestion is obtained from the measurement device 30, but in the wireless communication system (load control system 100), devices (lighting fixture 50, controller 300, setting system) that perform wireless communication 600), etc.) may have a function as the measurement device 30 . Moreover, in a wireless communication system, it is not limited to the apparatus which performs wireless communication, You may give the function as the measuring device 30 to the apparatus included in a wireless communication system.

In a modified example, instead of acquiring the congestion degree from the measurement device 30 , the acquisition unit F21 may acquire the congestion degree based on the radio wave intensity obtained from the measurement device 30 . That is, the acquisition unit F21 may have a function as the determination unit F32 .

In one modification, the display device 20 and the measurement device 30 may be a single device. That is, the display device 20 may have a function as the measurement device 30 . In this case, the acquisition unit F21 can be omitted.

In one modification, the plurality of frequency channels is not limited to the 920 MHz band, and may be appropriately determined in consideration of a frequency band (eg, 420 MHz) used in wireless communication. Also, the interval between frequency channels is not limited to 0.2 MHz, and may be appropriately determined according to the frequency band.

In one modification, the measurement display system 10 may be configured by a plurality of computers. For example, the functions of the measurement and display system 10 (in particular, the measurement unit F31 , the determination unit F32 , and the display unit F22 ) may be dispersed in a plurality of devices. In addition, at least one part of the function of the measurement display system 10 may be implement|achieved by the cloud (cloud computing), for example.

The execution body of the above-described measurement and display system 10 includes a computer system. A computer system has a processor and memory as hardware. When the processor executes the program recorded in the memory of the computer system, the function as the main execution body of the measurement and display system 10 in the present disclosure is realized. The program may be recorded in advance in the memory of the computer system, or may be provided via a telecommunication line. Further, the program may be provided while being recorded on a non-transitory recording medium such as a memory card readable by a computer system, an optical disk, or a hard disk drive. A processor of a computer system is composed of one to a plurality of electronic circuits including semiconductor integrated circuits (ICs) or large-scale integrated circuits (LSIs). Field programmable gate arrays (FGPAs), application specific integrated circuits (ASICs), or reconfigurable logic devices capable of reconfiguration of junction relationships within an LSI or set-up of circuit compartments within the LSI, which are programmed after fabrication of the LSI, are the same. can be used for this purpose. A plurality of electronic circuits may be integrated into one chip, or may be provided while being dispersed in a plurality of chips. A plurality of chips may be integrated into one device, or may be provided while being dispersed in a plurality of devices.

3. sun

As is clear from the above embodiments and modifications, the present disclosure includes the following aspects. Below, only in order to clarify the correspondence with embodiment, the code|symbol is attached|subjected with parentheses.

A 1st aspect is a display method, Comprising: An acquisition step and a display step are included. The acquisition step is a step of acquiring a degree of congestion determined based on radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for wireless communication using radio waves as a medium. The display step is a step of displaying a congestion situation based on the respective congestion levels of the plurality of specific frequency channels. According to this aspect, it becomes possible to set a frequency channel suitable for wireless communication.

The second aspect is based on the display method of the first aspect. In the second aspect, in the display step, a display recommending use of a specific frequency channel having the lowest degree of congestion among the plurality of specific frequency channels is performed. According to this aspect, selection of a frequency channel suitable for wireless communication becomes easy.

A third aspect is based on the display method of the first or second aspect. In the third aspect, in the display step, a display recommending use of a specific frequency channel having a congestion degree less than a prescribed value and having the lowest degree of congestion among the plurality of specific frequency channels is performed. According to this aspect, setting of an appropriate frequency channel by wireless communication becomes easy.

A fourth aspect is based on the display method of the third aspect. In the fourth aspect, in the display step, when the congestion degree of any of the plurality of specific frequency channels is not less than the prescribed value, the display recommending re-acquisition of each congestion degree of the plurality of specific frequency channels is performed. According to this aspect, it becomes possible to set an appropriate frequency channel by wireless communication.

A fifth aspect is based on the display method in any one of the first to fourth aspects. In the fifth aspect, the display step updates the congestion state of the specific frequency channel for which the congestion degree was acquired in the acquisition step whenever the congestion degree is acquired in the acquisition step. According to this aspect, it is possible to set an appropriate frequency channel by wireless communication without waiting for all acquisition of the congestion degree to be completed.

A sixth aspect is based on the display method in any one of the first to fifth aspects. In the sixth aspect, for each of the plurality of specific frequency channels, the degree of congestion is determined by a congestion rate obtained from radio wave intensity. According to this aspect, it becomes possible to set an appropriate frequency channel by wireless communication.

A seventh aspect is based on the display method of the sixth aspect. In a seventh aspect, the congestion situation includes representative values of one or more congestion rates at one or more points for each of the plurality of specific frequency channels. According to this aspect, it becomes possible to set an appropriate frequency channel by wireless communication.

The eighth aspect is based on the display method of the sixth aspect. In an eighth aspect, the congestion situation includes, for each of the plurality of specific frequency channels, representative values of a plurality of congestion rates at the same point. According to this aspect, it becomes possible to set an appropriate frequency channel by wireless communication.

A ninth aspect is based on the display method of a sixth aspect. In a ninth aspect, the congestion situation includes representative values of a plurality of congestion rates obtained for a plurality of different points for each of the plurality of specific frequency channels. According to this aspect, it becomes possible to set an appropriate frequency channel by wireless communication.

A tenth aspect is based on the display method in any one of the seventh to ninth aspects. In the tenth aspect, the representative value is the highest value. According to this aspect, it becomes possible to set an appropriate frequency channel by wireless communication.

An eleventh aspect is based on the display method in any one of the sixth to tenth aspects. In the eleventh aspect, the congestion rate is expressed as a ratio in which the radio wave intensity becomes equal to or greater than a threshold value when the radio wave intensity is measured a plurality of times. According to this aspect, it becomes possible to set an appropriate frequency channel by wireless communication.

A twelfth aspect is a program for causing one or more processors to execute the display method in any one of the first to eleventh aspects. According to this aspect, it becomes possible to set a frequency channel suitable for wireless communication.

In the thirteenth aspect, the display device 20 includes an acquisition unit F21 and a display unit F22 . The acquisition unit F21 is configured to acquire a degree of congestion determined based on radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The display unit F22 is configured to display a congestion situation based on the respective congestion levels of the plurality of specific frequency channels. According to this aspect, it becomes possible to set a frequency channel suitable for wireless communication.

In the fourteenth aspect, as the measurement device 30 , a measurement unit F31 and a determination unit F32 are provided. The measurement unit F31 is configured to measure radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The determination unit F32 is configured to determine a degree of congestion for each of the plurality of specific frequency channels based on radio wave intensity. According to this aspect, it becomes possible to set a frequency channel suitable for wireless communication.

A fifteenth aspect is the measurement and display system 10 , including a measurement unit F31 , a determination unit F32 , and a display unit F22 . The measurement unit F31 is configured to measure radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium. The determination unit F32 is configured to determine a degree of congestion for each of the plurality of specific frequency channels based on radio wave intensity. The display unit F22 is configured to display a congestion situation based on the respective congestion levels of the plurality of specific frequency channels. According to this aspect, it becomes possible to set a frequency channel suitable for wireless communication.

10: measurement display system
20: display device
30: measuring device
F21: Acquisition Department
F22: display
F31: Measuring unit
F32: Decision part

Claims (15)

an acquisition step of acquiring a degree of congestion determined based on radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium;
A display step of displaying a congestion situation based on the respective congestion levels of the plurality of specific frequency channels
Containing,
display method. The method of claim 1,
the display step performs a display recommending use of a specific frequency channel having the lowest degree of congestion among the plurality of specific frequency channels;
display method. The method according to claim 1 or 2,
the display step performs a display recommending use of a specific frequency channel having a congestion degree less than a prescribed value and having the lowest degree of congestion among the plurality of specific frequency channels;
display method. The method of claim 3,
the display step performs a display recommending re-acquisition of each congestion degree of the plurality of specific frequency channels when the congestion degree of any of the plurality of specific frequency channels is not less than the prescribed value;
display method. The method according to any one of claims 1 to 4,
the display step updates the congestion state of the specific frequency channel for which the congestion degree was acquired in the acquisition step whenever the congestion degree is acquired in the acquisition step;
display method. The method according to any one of claims 1 to 5,
For each of the plurality of specific frequency channels, the degree of congestion is determined by a congestion rate obtained from radio wave intensity,
display method. The method of claim 6,
The congestion situation includes, for each of the plurality of specific frequency channels, a representative value of one or more congestion rates at one or more points,
display method. The method of claim 6,
The congestion situation includes, for each of the plurality of specific frequency channels, representative values of a plurality of congestion rates at the same point,
display method. The method of claim 6,
The congestion situation includes, for each of the plurality of specific frequency channels, representative values of a plurality of congestion rates obtained for a plurality of different points,
display method. 10. The method according to any one of claims 7 to 9,
The representative value is the highest value,
display method. 11. The method according to any one of claims 6 to 10,
The congestion rate is expressed as a ratio in which the radio wave intensity becomes equal to or greater than a threshold value when the radio wave intensity is measured a plurality of times;
display method. for causing one or more processors to execute the method of any one of claims 1 to 11,
program. an acquisition unit configured to acquire a degree of congestion determined based on radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium;
A display unit for displaying a congestion situation based on the respective congestion levels of the plurality of specific frequency channels
Having,
display device. a measurement unit for measuring radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium;
For each of the plurality of specific frequency channels, a determination unit that determines a degree of congestion based on radio wave strength
Having,
measuring device. a measurement unit for measuring radio wave intensity for each of a plurality of specific frequency channels included in a plurality of frequency channels used for radio communication using radio waves as a medium;
a determining unit for determining a degree of congestion for each of the plurality of specific frequency channels based on radio wave strength;
A display unit for displaying a congestion situation based on the respective congestion levels of the plurality of specific frequency channels
Having,
Instrumentation display system.

Images