Wireless terminal device, communication control method, communication control program, and base station

Abstract

A wireless terminal device according to the present disclosure performs wireless communication with a medical apparatus disposed in a space of a medical institution. The wireless terminal device is provided with: an acquisition unit that acquires communication policy information which has been determined by Quality of Service (QoS) information based on apparatus information indicating the type of the medical apparatus and transmission information indicating the type of a transmission content transmitted by the medical apparatus; and a communication control unit that, on the basis of the communication policy information, controls the wireless communication.

Description

[Technical field]

[0001] The present disclosure relates to a wireless terminal device, a communication control method, a communication control program, and a base station. [Background technology]

[0002] In recent years, various medical devices are used in surgery, and multiple medical devices are installed in operating rooms. If all of these medical devices are connected by wires, the wiring becomes complicated, and the wiring also hinders the movement of members in the operating room. Therefore, there is a demand for wireless medical devices, but if multiple medical devices are made wireless, various traffic will be generated, and there are concerns that the stability of the wireless connection will decrease.

[0003] In view of this, a method has been proposed for ensuring stable communication by providing multiple transmitting / receiving units (antennas) that perform wireless communication (for example, Patent Document 1). The technology described in Patent Document 1 proposes a configuration in which multiple transmitting / receiving units (antennas) are provided at the four corners of the operating table. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2016-87248 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, in the conventional technology, the number of components (devices) used for communication, such as antennas, is increased to improve communication quality, such as connection stability, which requires the addition of new devices, resulting in a complex configuration. In addition, when installing antennas on tools used in operating rooms, such as operating tables, installation work is required, which increases costs. Therefore, it is desirable to improve the connection quality of communication between multiple medical devices without installing new devices.

[0006] Therefore, the present disclosure proposes a wireless terminal device, a communication control method, a communication control program, and a base station that can improve the communication quality of wireless connections of medical devices arranged within the space of a medical institution. [Means for solving the problem]

[0007] In order to solve the above problems, a wireless terminal device of one embodiment according to the present disclosure is a wireless terminal device that performs wireless communication with medical equipment placed within a space of a medical institution, and includes an acquisition unit that acquires communication policy information determined by QoS (Quality of Service) information based on equipment information indicating a type of medical equipment and transmission information indicating a type of transmission content transmitted by the medical equipment, and a communication control unit that controls the wireless communication based on the communication policy information. [Brief description of the drawings]

[0008] [Figure 1] FIG. 4 is a diagram illustrating an example of a communication control process according to the first embodiment of the present disclosure. [Diagram 2] FIG. 2 is a diagram showing an example of application of the communication control system according to the first embodiment to an operating room. [Diagram 3] FIG. 2 is a diagram illustrating an example of the configuration of a base station according to the first embodiment. [Figure 4] FIG. 2 is a diagram illustrating an example of an integrated QoS information storage unit according to the first embodiment; [Diagram 5] 4 is a diagram illustrating an example of a communication parameter information storage unit according to the first embodiment; FIG. [Figure 6] FIG. 2 is a diagram illustrating an example of the configuration of a terminal according to the first embodiment. [Figure 7] FIG. 2 is a diagram illustrating an example of a QoS information storage unit according to the first embodiment; [Figure 8] 5 is a flowchart showing a procedure of a communication control process according to the first embodiment. [Figure 9] 4 is a sequence diagram showing a procedure of a communication control process according to the first embodiment. FIG. [Figure 10]1 is a conceptual diagram illustrating an example of a communication control system according to a first embodiment. [Figure 11] FIG. 11 is a diagram illustrating an example of a communication control process according to a second embodiment of the present disclosure. [Figure 12] FIG. 11 is a diagram illustrating an example of the configuration of a base station and a server according to the second embodiment. [Figure 13] FIG. 13 is a diagram illustrating an example of a communication control process according to a third embodiment of the present disclosure. [Figure 14] FIG. 13 is a diagram illustrating an example of the configuration of a terminal according to the third embodiment. [Figure 15] FIG. 13 is a conceptual diagram illustrating an example of a communication control system according to a third embodiment. [Figure 16] FIG. 11 is a diagram illustrating a configuration example of a communication control system according to a fourth embodiment of the present disclosure. [Figure 17] FIG. 13 is a diagram illustrating a configuration example of a communication control system according to a fifth embodiment of the present disclosure. [Figure 18] FIG. 13 is a diagram illustrating an example of a process related to interference measurement according to the fifth embodiment. [Figure 19] FIG. 13 is a diagram illustrating a configuration example of a communication control system according to a modified example of the present disclosure. [Figure 20] FIG. 2 is a hardware configuration diagram showing an example of a computer that realizes the functions of a base station and a terminal. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings. Note that the wireless terminal device, communication control method, communication control program, and base station according to the present application are not limited to these embodiments. In addition, in the following embodiments, the same components are designated by the same reference numerals, and duplicated descriptions will be omitted.

[0010] The present disclosure will be described in the following order. 1. First embodiment 1-1. Overview of communication control process according to the first embodiment of the present disclosure 1-2. Example of application of communication control system to operating room 1-3. Configuration of base station according to the first embodiment 1-4. Configuration of the terminal according to the first embodiment 1-5. Procedure of communication control process according to the first embodiment 1-6. Overview of communication control system 1-6-1. Integrated QoS Levels 1-6-2. Wireless communication parameters 1-6-3. QoS related information 1-7. Conceptual diagram of communication control system 2. Second embodiment 2-1. Overview of communication control process according to the second embodiment of the present disclosure 2-2. Configuration of base station and server according to the second embodiment 3. Third embodiment 3-1. Overview of communication control process according to the third embodiment of the present disclosure 3-2. Configuration of the terminal according to the third embodiment 3-3. Conceptual diagram of communication control system 4. Fourth embodiment 4-1. Configuration of a communication control system according to a fourth embodiment of the present disclosure 5. Fifth embodiment 5-1. Configuration of a communication control system according to a fifth embodiment of the present disclosure 6. Other embodiments 6-1.Other configuration examples 6-2.Other 7. Effects of the Disclosure 8.Hardware Configuration

[0011] [1. First embodiment] [1-1. Overview of communication control process according to the first embodiment of the present disclosure] Fig. 1 is a diagram showing an example of a communication control process according to the first embodiment of the present disclosure. Fig. 1 is also a diagram showing an example of a configuration of a communication control system 1 according to the first embodiment of the present disclosure. The communication control process according to the first embodiment of the present disclosure is realized by the communication control system 1 shown in Fig. 1. The communication control system 1 is a system that executes communication control according to QoS (Quality of Service).

[0012] First, the configuration of a communication control system 1 shown in Fig. 1 will be described. As shown in Fig. 1, the communication control system 1 includes a base station 100 and a plurality of terminals 200. In the example of Fig. 1, only two terminals 200, terminal 200-1 which is terminal A and terminal 200-2 which is terminal B, are illustrated, but the communication control system 1 includes three or more terminals 200, such as terminal 200-3 which is terminal C (see Fig. 2) and terminal 200-4 which is terminal D (see Fig. 2). Furthermore, when the terminals 200-1 to 200-4 are described without any particular distinction, they will be referred to as terminals 200.

[0013] The terminal 200 is a wireless terminal device that performs wireless communication with medical devices arranged in the space of a medical institution. The terminal 200 may be any device that performs wireless communication during surgery or at a medical site. For example, the terminal 200 may be a pacemaker, a particle beam therapy device, an artificial dialysis machine, an infusion pump, an automatic peritoneal dialysis device, an artificial heart-lung machine, a multi-person dialysis fluid supply device, or the like. The terminal 200 may also be a component blood collection device, an artificial respirator, an X-ray imaging device, an electrocardiograph, an ultrasonic diagnostic device, an infusion set for an infusion pump, a catheter-related device, a hearing aid, a home massager, a blood gas analyzer, or the like. The terminal 200 may also be a monitor, a display, a medical robot, an endoscope, a shadowless lamp, a medical bed, a nurse call device, an infusion-related device, or the like. That is, the medical device referred to here is a concept that includes various devices used during surgery or at a medical site.

[0014] In the example of FIG. 1, the terminal 200 is a medical device arranged in an operating room (such as operating room 5 in FIG. 2). The terminal 200 performs wireless communication with other terminals 200 and the base station 100. The terminal 200-1 is a monitor and the terminal 200-2 is a blood pressure monitor, the details of which will be described in FIG. 2. The terminal 200 may be any of various devices, such as an IP converter, so long as it is a device that performs wireless communication with medical devices arranged in the space of a medical institution, the details of which will be described later.

[0015] The base station 100 is a device that provides a wireless communication service to the terminal 200. The base station 100 is a device used for communication between the terminals 200. For example, the base station 100 is a base station that provides a wireless communication service by a predetermined wireless communication system. For example, the wireless communication system is a fifth generation mobile communication system (5G). In the following, the wireless communication system is described as being a fifth generation mobile communication system (5G). Note that the wireless communication system may be any of various cellular wireless communication systems such as a fourth generation mobile communication system (4G) as long as the communication control process is applicable, and a local wireless communication system technology such as Wi-Fi (registered trademark) may be used as wireless communication at the physical layer. The base station 100 performs wireless communication with the terminal 200 located within the space of the medical institution (such as the operating room 5 in FIG. 2). For example, the base station 100 transmits a downlink signal to the terminal 200 and receives an uplink signal from the terminal 200. For example, the communication control system 1 may be a system in which the above-mentioned cellular system (cellular wireless communication system) and the Wi-Fi system are integrated. For example, the communication control system 1 may be a system in which 5G (fifth generation mobile communication system) and Wi-Fi communication are integrated. In this case, in the communication control system 1, Wi-Fi communication may be performed, and resource control of Wi-Fi may be performed by the base station 100.

[0016] The base station 100, the terminal 200-1, and the terminal 200-2 communicate with each other through wireless communication corresponding to a predetermined wireless communication system. The base station 100 and the terminal 200 transmit and receive information through wireless communication corresponding to 5G. Each terminal 200 transmits and receives information with other terminals 200 through wireless communication corresponding to 5G. The terminal 200 may have a function of direct communication between terminals. In this case, the terminal 200 can perform direct communication between terminals while obtaining support for control from the base station. The control from the base station includes, for example, allocation of wireless resources in a direct communication link between terminals, transmission power control, provision of a QoS control policy, interference control to other terminals, and the like. In addition, when the base station is absent, the terminal 200 can autonomously perform direct communication between terminals. In this case, the control from the base station as described above cannot be obtained, but the terminal 200 can autonomously perform wireless sensing and the like to establish a wireless communication link like Wi-Fi communication. The communication control system 1 shown in FIG. 1 may include multiple base stations 100. Furthermore, the communication control system 1 may include various components other than the base station 100 and the terminal 200. For example, the communication control system 1 may include components such as a server, such as the server 300 shown in FIG. 11. For example, the server includes a core network, such as an EPC (Evolved Packet Core) or a 5G core. Note that the case where the integrated QoS level and communication parameters are determined on the server side will be described later. The base station 100A enables connection to an external network via the core network.

[0017] First, the base station 100 acquires information related to QoS control (QoS control related information) from the terminal 200-1, which is the terminal A (step S1). For example, the base station 100 transmits a request notification for QoS control related information to the terminal 200-1 and receives the QoS control related information from the terminal 200-1. For example, when the message type (classification) to be transmitted is determined, the terminal 200 transmits the message and priority information (QoS information) corresponding to each message to the base station 100 as the QoS control related information. The terminal 200-1, which is a monitor, transmits packet message types related to the monitored data and the respective priority information to the base station 100. For example, the terminal 200-1 transmits three types of packet message types and their respective priority information (see FIG. 7) to the base station. The terminal 200-1 transmits priority information indicating that the priority (QoS level) of the monitor message type #1 is "1", the QoS level of the monitor message type #2 is "2", and the QoS level of the monitor message type #3 is "3" to the base station. Note that a higher level of the message type indicates a higher importance (priority) of the message type. Note that a parameter such as a QoS Identifier (5GQI) standardized in 5G NR (New Radio) may be used as the QoS information here.

[0018] The base station 100 also acquires QoS control-related information from the terminal 200-2, which is terminal B (step S2). For example, the base station 100 transmits a request notification for QoS control-related information to the terminal 200-2 and receives the QoS control-related information from the terminal 200-2. The terminal 200-2, which is a blood pressure monitor, transmits real-time data of the blood pressure monitor and transmits packet message types related to the blood pressure monitor and respective priority information to the base station 100. For example, the terminal 200-2 transmits three types of packet message types and respective priority information to the base station. The terminal 200-2 transmits priority information indicating that the priority (QoS level) of the blood pressure monitor message type #1 is "1", the QoS level of the blood pressure monitor message type #2 is "2", and the QoS level of the blood pressure monitor message type #3 is "3" to the base station.

[0019] The base station 100 that has acquired the QoS control related information creates an integrated QoS control table (step S3). For example, the base station 100 determines an integrated QoS level (importance level) based on the QoS control related information acquired from the terminals 200-1 and 200-2. In the example of FIG. 1, the base station 100 determines an integrated QoS level (see FIG. 4) for three monitor message types #1 to #3 of the terminal 200-1 that is a monitor, and three blood pressure monitor message types #1 to #3 of the terminal 200-2 that is a blood pressure monitor. The base station 100 determines an integrated QoS level in which the monitor message type #1 is "1", the blood pressure monitor message type #1 is "2", the monitor message type #2 is "3", the blood pressure monitor message type #2 is "4", the monitor message type #3 is "5", and the blood pressure monitor message type #3 is "6".

[0020] Furthermore, base station 100 creates a table for determining a control method of wireless communication parameters according to the integrated QoS level (integrated QoS level). Base station 100 determines wireless communication parameters for each of integrated QoS levels "1" to "6". Base station 100 determines wireless communication parameters such as transmission power, allocated frequency resources, and coding rate. Base station 100 determines wireless communication parameters (see FIG. 5) such that the higher the integrated QoS level, the higher the transmission power, the more allocated frequency resources, and the better the coding rate.

[0021] Then, the base station 100 transmits information indicating the determined wireless communication parameters to the terminal 200-1 (step S4). The base station 100 transmits information indicating wireless communication parameters such as transmission power, allocated frequency resources, and coding rate to the terminal 200-1. For example, the base station 100 transmits the information indicating the wireless communication parameters as communication policy information to the terminal 200-1. For example, the base station 100 transmits information indicating message types corresponding to each integrated QoS level and information indicating wireless communication parameters of each message type to the terminal 200-1. The terminal 200-1 acquires the information indicating the wireless communication parameters as communication policy information. For example, the terminal 200-1 acquires information indicating message types corresponding to each integrated QoS level and information indicating wireless communication parameters of each message type.

[0022] Furthermore, the base station 100 transmits information indicating the determined wireless communication parameters to the terminal 200-2 (step S5). The base station 100 transmits information indicating wireless communication parameters such as transmission power, allocated frequency resources, and coding rate to the terminal 200-2. For example, the base station 100 transmits the information indicating the wireless communication parameters as communication policy information to the terminal 200-2. For example, the base station 100 transmits information indicating message types corresponding to each integrated QoS level and information indicating wireless communication parameters of each message type to the terminal 200-2. The terminal 200-2 acquires the information indicating the wireless communication parameters as communication policy information. For example, the terminal 200-2 acquires information indicating message types corresponding to each integrated QoS level and information indicating wireless communication parameters of each message type.

[0023] Then, the terminal 200 controls wireless communication based on the communication policy information (step S6). Each terminal 200 controls wireless communication based on the acquired communication policy information. Each terminal 200 controls wireless communication based on the acquired transmission power, allocated frequency resources, coding rate, etc. Each terminal 200 transmits a message to another terminal 200 using the acquired communication policy information. The terminal 200 transmits a message of a message type with the transmission power, allocated frequency resources, coding rate, etc. corresponding to the message type. Each terminal 200 may communicate with another terminal 200 directly or via the base station 100. For example, the base station 100 controls wireless communication between the terminals 200 based on the communication policy information. The base station 100 controls wireless communication between the terminals 200 by transmitting the communication policy information to the terminals 200 and causing the terminals 200 to communicate with each other based on the communication policy information. In the case of base station communication, for example, base station 100 transmits data (message) received from one terminal 200 to the destination terminal 200 using wireless communication parameters corresponding to the message type of that message.

[0024] For example, in conventional communications using unlicensed bands such as wireless LAN, communication between devices is performed equally for each communication. On the other hand, in communications related to human life such as medical use, it is necessary to consider the priority of the transmitted packets. In particular, when high-priority traffic related to life is mixed with less important traffic, it is essential to control the traffic with higher priority to be prioritized.

[0025] To achieve the above control, it is necessary to control the link of wireless communication according to the traffic being transmitted. However, in medical device communication, there are no common rules for prioritizing each type of traffic, so priority control is very difficult. Therefore, a system is required that sets common priority control according to the type of traffic between devices and controls wireless communication.

[0026] Therefore, the communication control system 1 can provide a wireless communication service that allows appropriate communication for each traffic priority by creating an integrated QoS table and collectively controlling wireless communication links even between terminals 200 having different QoS tables. The communication control system 1 can improve the connection stability of devices based on QoS control, instead of increasing the connection stability by increasing the number of receiving devices using a short-range wireless terminal.

[0027] [1-2. Example of application of communication control system to operating room] The communication control system 1 controls wireless communication of medical devices arranged in a space of a medical institution such as an operating room. A case where the communication control system 1 controls wireless communication of a terminal 200 in an operating room 5 will be described with reference to Fig. 2. Fig. 2 is a diagram showing an example of application of the communication control system according to the first embodiment to an operating room.

[0028] As shown in FIG. 2, the communication control system 1 controls wireless communication in a private space such as an operating room 5. For example, the communication control system 1 in which a private base station 100 such as 5G or 4G is installed in the operating room 5 controls wireless communication links. For example, the base station 100 may be installed near the ceiling of the operating room 5 as shown in FIG. 2. For example, when communication is performed using radio waves in a frequency band with high linearity, the base station 100 may be installed near the ceiling. For example, when the wireless communication is compatible with 5G, the base station 100 may be installed near the ceiling. Note that the base station 100 may be installed in any position as long as it is possible to control wireless communication of the terminal 200 in the operating room 5.

[0029] In the example shown in Fig. 2, a base station 100 and lighting equipment 6 such as a shadowless lamp are placed near the ceiling of an operating room 5. Also, a terminal 200-1 which is a monitor, a terminal 200-2 which is a blood pressure monitor, a terminal 200-3 which is an endoscope, and a terminal 200-4 which is another monitor are placed in the operating room 5. Also, in the example shown in Fig. 2, an operator 8 such as a doctor performs a procedure on a patient (not shown) on an operating table 7.

[0030] For example, the base station 100 controls communication between the terminals 200. It controls wireless communication CM1 between the terminal 200-2 having a high integrated QoS level and the terminal 200-3, and wireless communication CM2 between the terminal 200-1 having a low integrated QoS level and the terminal 200-4. For example, the base station 100 determines wireless communication parameters according to the integrated QoS level, and transmits information indicating the determined wireless communication parameters to each terminal 200, thereby controlling communication between the terminals 200. For example, the terminals 200-1 to 200-4 control wireless communication based on communication policy information such as information indicating the wireless communication parameters.

[0031] For example, the logical entity (Management entity) that controls wireless communication links is not limited to the base station 100, and may be physically located on the server side of a core network or the like. As described above, the wireless communication link may be direct communication (inter-device communication) between devices (terminals 200), or may be downlink or uplink communication via the base station 100. Depending on the QoS level of the traffic in each device (terminal 200), the logical entity (Management entity) performs wireless communication control for each link.

[0032] This allows the base station 100 and the terminal 200 to improve the communication quality of wireless connections of medical devices arranged in a space of a medical institution, such as an operating room. Also, the communication control system 1 can improve the communication quality of wireless connections, such as the connection stability of wireless connections of multiple medical devices in an operating room.

[0033] For example, if multiple medical devices in an operating room are made wireless, it is expected that all communications will not be possible simultaneously when communicating with the local communication base (integrated communication control terminal) in the operating room because the communication bandwidth is a limited resource. In such cases, packet loss and delays will occur in the communication, reducing the connection stability (communication quality), and the surgeon will not be able to see the information he or she needs to see in real time, which may hinder the progress of the surgery. In addition, since multiple medical devices are sold by different companies, there is also the issue that it is difficult to coordinate communications between each medical device.

[0034] Therefore, the communication control system 1 performs QoS control by a local communication base (base station 100). For example, the communication control system 1 realizes communication quality that does not impede the progress of surgery by determining the priority of communication through the insertion of an adapter (wireless terminal). Also, the local communication terminal can determine the priority of communication by dropping it into an entity table (a table linking QoS levels with types of medical equipment and types of communication content).

[0035] The communication control system 1 can reliably transmit high-priority packets to their destinations by determining the QoS (integrated QoS). In addition, in order to use limited resources (which need to be orthogonal and scheduled in time, space, and frequency), it is important to improve the quality of packets. Therefore, the communication control system 1 can improve communication quality by determining the priority (importance) of packets for each traffic. The communication control system 1 can improve communication quality by reducing packet loss (reducing packet error rate), reducing delays, and increasing the amount of frequency allocated (increasing bandwidth). The communication control system 1 can also improve communication quality by applying a lot of coding to a small amount of data and increasing transmission power (increasing reception strength and transmission strength). In addition, the communication control system 1 can send some communications with higher communication quality than other communications by determining the priority as described above. For example, the communication control system 1 uses a QoS level (integrated QoS level) to share frequencies, schedule, and determine the occupancy time. The communication control system 1 may perform communication control such as switching communication in an unlicensed band to a licensed band. Furthermore, the communication control system 1 may perform link switching control between a link via a base station and direct communication between terminals.

[0036] By the above-mentioned control, the communication control system 1 can improve the communication quality. The communication control system 1 communicates according to the communication policy information determined based on the QoS level. For example, when the integrated QoS level is "1" to "5", the communication control system 1 determines the integrated QoS level to be "5" (maximum value) because the endoscopic image is required to be displayed on the display device with as little delay as possible. The communication control system 1 also determines the integrated QoS level of monitoring information such as heart rate to be "5" (maximum value). In addition, the communication control system 1 determines the integrated QoS level to be "1" (minimum value) because communication such as transmission of images from an operating room camera to capture the state of surgery and transmission of recorded images of an endoscope (recorded and saved on a server) does not require real-time performance. By performing such processing, the communication control system 1 can reliably deliver information that requires real-time performance with little delay, realizing communication quality that does not impede the progress of surgery.

[0037] [1-3. Configuration of base station according to the first embodiment] Next, a configuration of the base station 100 according to the first embodiment will be described. Fig. 3 is a diagram showing an example of the configuration of the base station according to the first embodiment.

[0038] As shown in FIG. 3, the base station 100 includes an antenna unit 110, a communication unit 120, a storage unit 140, and a control unit 150.

[0039] The antenna unit 110 radiates the signal output by the communication unit 120 into space as radio waves. Furthermore, the antenna unit 210 converts the radio waves in space into a signal and outputs the signal to the communication unit 120. For example, the antenna unit 110 has an antenna used for wireless communication.

[0040] The communication unit 120 transmits and receives signals. For example, the communication unit 120 transmits a downlink signal to the terminal 200 and receives an uplink signal from the terminal 200. The communication unit 120 performs wireless communication with medical devices arranged in the space of a medical institution. The communication unit 120 performs wireless communication with medical devices arranged in an operating room.

[0041] The communication unit 120 is realized by, for example, a network interface card (NIC) or a communication circuit. The communication unit 120 transmits and receives information to and from the terminal 200 by wireless communication. The communication unit 120 may also be connected to a predetermined network (such as network N in FIG. 12) by wire or wirelessly, and may transmit and receive information to and from other devices via the predetermined network.

[0042] The storage unit 140 is realized by, for example, a semiconductor memory element such as a random access memory (RAM) or a flash memory, or a storage device such as a hard disk or an optical disk. The storage unit 140 has an integrated QoS information storage unit 141 and a communication parameter information storage unit 142. Note that the storage unit 140 stores various information, not limited to the information shown in the integrated QoS information storage unit 141 or the communication parameter information storage unit 142. The storage unit 140 may store information collected from each terminal 200. For example, the storage unit 140 may store QoS related information collected from each terminal 200.

[0043] The integrated QoS information storage unit 141 according to the first embodiment stores integrated QoS information. The integrated QoS information storage unit 141 stores various information related to QoS obtained by integrating QoS information collected from each terminal 200. Fig. 4 is a diagram showing an example of the integrated QoS information storage unit according to the first embodiment. The integrated QoS information storage unit 141 shown in Fig. 4 includes items such as "integrated QoS level" and "source QoS level".

[0044] "Integrated QoS level" indicates the QoS level after integration. "Source QoS level" indicates the QoS level at the source of allocation, i.e., terminal 200 which is the source of providing QoS information. In the example of Fig. 4, the higher the value of the integrated QoS level or the source QoS level, the higher the importance (priority) is.

[0045] In the example of Fig. 4, the integrated QoS level "1" corresponds to the QoS level "1" at terminal A (terminal 200-1). That is, it indicates that the integrated QoS level of a message with QoS level "1" transmitted by terminal A is "1." In this way, in the case of Fig. 4, it indicates that the message with QoS level "1" transmitted by terminal A has the lowest priority.

[0046] Also, the integrated QoS level "2" corresponds to the QoS level "1" at terminal B (terminal 200-2). That is, the integrated QoS level of a message with QoS level "1" transmitted by terminal B is "2." In this way, in the case of FIG. 4, the message with QoS level "2" transmitted by terminal B has a higher priority than the message with QoS level "1" transmitted by terminal A.

[0047] Also, the integrated QoS level "6" corresponds to the QoS level "3" at terminal B (terminal 200-2). That is, the integrated QoS level of a message with QoS level "3" transmitted by terminal B is "6." In this way, in the case of FIG. 4, it is shown that the message with QoS level "3" transmitted by terminal B has the highest priority.

[0048] The above is just an example, and the integrated QoS information storage unit 141 is not limited to the above, and may store various kinds of information according to the purpose.

[0049] The communication parameter information storage unit 142 according to the first embodiment stores various information related to communication parameters. The communication parameter information storage unit 142 stores wireless communication parameters set based on the integrated QoS. FIG. 5 is a diagram illustrating an example of a communication parameter information storage unit according to the first embodiment. The integrated communication parameter information storage unit 142 illustrated in FIG. 5 includes items such as "integrated QoS level" and "wireless communication parameters." The "wireless communication parameters" include items such as "transmission power," "allocated frequency resources (number of resource blocks)," and "coding rate." Note that the "wireless communication parameters" are not limited to the above, and may include various items such as "communication timing," "packet error rate," and "communication delay."

[0050] "Post-integrated QoS level" indicates the QoS level after integration. "Wireless communication parameters" indicates parameters corresponding to each post-integrated QoS level. "Transmission power" indicates the transmission power when transmitting a message of the corresponding post-integrated QoS level. "Transmission power" is a value corresponding to a predetermined unit such as W (watts). "Allocated frequency resources (number of resource blocks)" indicates the allocated frequency resources when transmitting a message of the corresponding post-integrated QoS level. "Coding rate" indicates the coding rate when transmitting a message of the corresponding post-integrated QoS level.

[0051] In the example of Fig. 4, the integrated QoS level "1" indicates that the transmission power is "30", the allocated frequency resources are "100", and the coding rate is "0.9". Thus, in the case of Fig. 4, the message with the integrated QoS level "1" indicates that the transmission power is the smallest, the allocated frequency resources are the smallest, and the coding rate is the worst.

[0052] The integrated QoS level "2" indicates that the transmission power is "32", the allocated frequency resources are "200", and the coding rate is "0.7". Thus, in the case of Fig. 4, the message with the integrated QoS level "2" has a higher transmission power, a larger allocated frequency resource, and a better coding rate than the message with the integrated QoS level "1".

[0053] The above is just an example, and the communication parameter information storage unit 142 is not limited to the above, and may store various kinds of information depending on the purpose.

[0054] Returning to Fig. 3, the description will be continued. The control unit 150 is realized, for example, by a central processing unit (CPU), a micro processing unit (MPU), or the like executing a program (for example, a communication control program or a decision program according to the present disclosure) stored inside the base station 100 using a random access memory (RAM) or the like as a working area. The control unit 150 may also be realized, for example, by an integrated circuit such as an application specific integrated circuit (ASIC) or a field programmable gate array (FPGA).

[0055] 3, the control unit 150 has an acquisition unit 151, a communication control unit 152, and a determination unit 153, and realizes or executes the functions and actions of information processing described below. Note that the internal configuration of the control unit 150 is not limited to the configuration shown in FIG. 3, and may be other configurations as long as they perform the information processing described below.

[0056] The acquisition unit 151 acquires various information. The acquisition unit 151 acquires various information from an external information processing device. The acquisition unit 151 acquires various information from the storage unit 140. The acquisition unit 151 stores the acquired information in the storage unit 140. The acquisition unit 151 acquires communication policy information determined by QoS information based on device information indicating the type of medical device and transmission information indicating the type of transmission content transmitted by the medical device.

[0057] The communication control unit 152 controls communication. The communication control unit 152 controls communication by the communication unit 120. The communication control unit 152 controls communication by the communication unit 120 based on information stored in the storage unit 140. The communication control unit 152 controls communication by the communication unit 120 in accordance with a decision made by the decision unit 153.

[0058] The communication control unit 152 controls communication between other devices. The communication control unit 152 controls communication between external information processing devices. The communication control unit 152 controls communication between terminals 200. The communication control unit 152 controls communication between terminals 200 based on information stored in the storage unit 140. The communication control unit 152 controls communication between terminals 200 based on information acquired by the acquisition unit 151. The communication control unit 152 controls wireless communication between medical devices based on communication policy information.

[0059] The communication control unit 152 controls wireless communication based on the communication policy information. The communication control unit 152 controls wireless communication in a communication mode determined based on the communication policy information. The communication control unit 152 controls wireless communication at a communication timing based on the communication policy information. The communication control unit 152 controls wireless communication with a packet error rate based on the communication policy information. The higher the priority, the lower the packet error rate is controlled by the communication control unit 152. The communication control unit 152 controls wireless communication with a communication delay based on the communication policy information. The higher the priority, the lower the delay is controlled by the communication control unit 152.

[0060] The communication control unit 152 controls wireless communication with an allocated frequency based on the communication policy information. The higher the priority, the more the communication control unit 152 increases the amount of allocated frequencies to control wireless communication. The communication control unit 152 controls wireless communication with a transmission / reception strength based on the communication policy information. The higher the priority, the more the communication control unit 152 increases the transmission / reception strength to control wireless communication. The higher the priority, the more the communication control unit 152 increases the transmission power to control wireless communication. The communication control unit 152 controls wireless communication with a coding rate based on the communication policy information.

[0061] The communication control unit 152 controls wireless communication of the message based on the QoS determined by the determination unit 153. The communication control unit 152 controls wireless communication of the message based on the QoS level determined by the determination unit 153.

[0062] The determination unit 153 determines various pieces of information. The determination unit 153 judges various pieces of information. For example, the determination unit 153 determines various pieces of information based on information from an external information processing device or information stored in the storage unit 120. The determination unit 153 judges various pieces of information based on information from an external information processing device or information stored in the storage unit 120. The determination unit 153 generates various pieces of information based on information from an external information processing device or information stored in the storage unit 120. The determination unit 153 determines various pieces of information based on various pieces of information acquired by the acquisition unit 131.

[0063] The determination unit 153 determines communication policy information based on device information indicating the type of medical device and QoS information based on transmission information indicating the type of transmission content transmitted by the medical device. The determination unit 153 determines communication policy information based on QoS information based on transmission information which is information indicating the type of traffic. The determination unit 153 determines communication policy information based on QoS information based on transmission information which is information indicating the purpose of traffic. The determination unit 153 determines communication policy information based on QoS information based on transmission information which is information indicating the traffic pattern.

[0064] The determination unit 153 determines communication policy information by QoS information based on transmission information which is information indicating the size of traffic. The determination unit 153 determines communication policy information by QoS information based on transmission information which is information indicating the buffer amount of traffic. The determination unit 153 determines communication policy information by QoS information based on transmission information which is information indicating a delay requirement value of traffic. The determination unit 153 determines communication policy information by QoS information based on transmission information which is information indicating a reliability requirement value of traffic. The determination unit 153 determines communication policy information by QoS information based on transmission information which is information indicating a reliability requirement value of traffic. The determination unit 153 determines communication policy information by QoS information based on transmission information which is information indicating a reliability requirement value of traffic. The determination unit 153 determines communication policy information by QoS information based on transmission information which is information indicating a periodicity of traffic.

[0065] The determining unit 153 determines the type of a message to be transmitted to another device, and determines the QoS of the message. The determining unit 153 determines the QoS of the message by image recognition. The determining unit 153 determines the QoS of the message based on the header information of the message. The determining unit 153 determines the QoS of the message based on the metadata of the message. The determining unit 153 determines the QoS of the message based on information related to DICOM (Digital Imaging and COmmunications in Medicine) of the message. The determining unit 153 determines the QoS level of the message.

[0066] [1-4. Configuration of the terminal according to the first embodiment] Next, a configuration of the terminal 200, which is an example of a wireless terminal device that executes the communication control process according to the first embodiment, will be described. Fig. 6 is a diagram showing an example of the configuration of the terminal according to the first embodiment. In Fig. 6, only the configuration related to the communication control process is illustrated among the configuration of the terminal 200. For example, among the configuration of the terminal 200 that is a medical device, the configuration related to the display function of a monitor and the measurement function of a blood pressure monitor is omitted.

[0067] As shown in FIG. 6, terminal 200 includes antenna section 210, communication section 220, storage section 240, and control section 250.

[0068] The antenna unit 210 radiates the signal output by the communication unit 220 into space as radio waves. Furthermore, the antenna unit 210 converts the radio waves in space into a signal and outputs the signal to the communication unit 220. For example, the antenna unit 210 has an antenna used for wireless communication.

[0069] The communication unit 220 transmits and receives signals. For example, the communication unit 220 receives a downlink signal from the base station 100 and transmits an uplink signal to the base station 100. The communication unit 220 performs wireless communication with medical devices arranged in the space of a medical institution. The communication unit 220 performs wireless communication with medical devices arranged in an operating room.

[0070] The communication unit 220 is realized by, for example, a NIC, a communication circuit, etc. The communication unit 220 transmits and receives information to and from the base station 100 by wireless communication.

[0071] The storage unit 240 is realized by, for example, a semiconductor memory element such as a random access memory (RAM) or a flash memory, or a storage device such as a hard disk or an optical disk. The storage unit 240 has a QoS information storage unit 241 and a setting information storage unit 242. Although not shown, the setting information storage unit 242 stores various information related to settings. The setting information storage unit 242 stores communication policy information. The setting information storage unit 242 stores information indicating wireless communication parameters as communication policy information. Note that the storage unit 240 stores various information, not limited to the information indicated by the QoS information storage unit 241 and the setting information storage unit 242. The storage unit 240 may store information received from other terminals 200 or the base station 100.

[0072] The QoS information storage unit 241 according to the first embodiment stores QoS information of the own device (terminal 200). The QoS information storage unit 241 stores various information related to QoS corresponding to transmission of the own device (terminal 200). Fig. 7 is a diagram showing an example of the QoS information storage unit according to the first embodiment. The QoS information storage unit 241 shown in Fig. 7 includes items such as "QoS level" and "transmission content".

[0073] "QoS level" indicates the QoS level. "Transmission content" indicates the content of the data transmitted with the corresponding QoS. Note that in the example of Figure 7, "transmission content" is illustrated with an abstract code such as "INF1", but "transmission content" includes various information related to the transmission content (transmission information).

[0074] In the example of Fig. 7, a QoS level of "1" indicates that the transmission content is "INF1", and a QoS level of "2" indicates that the transmission content is "INF2".

[0075] The above is just an example, and the QoS information storage unit 241 is not limited to the above, and may store various types of information depending on the purpose.

[0076] Returning to Fig. 6, the description will be continued. The control unit 250 is realized, for example, by a CPU, an MPU, or the like executing a program (for example, a communication control program according to the present disclosure) stored inside the terminal 200 using a RAM or the like as a working area. The control unit 250 may also be realized, for example, by an integrated circuit such as an ASIC or an FPGA.

[0077] 6, the control unit 250 has an acquisition unit 251 and a communication control unit 252, and realizes or executes the functions and actions of information processing described below. Note that the internal configuration of the control unit 250 is not limited to the configuration shown in FIG. 6, and may be other configurations as long as they perform the information processing described below.

[0078] The acquisition unit 251 acquires various information. The acquisition unit 251 acquires various information from an external information processing device. The acquisition unit 251 acquires various information from the storage unit 240. The acquisition unit 251 stores the acquired information in the storage unit 240. The acquisition unit 251 acquires communication policy information determined by QoS information based on device information indicating the type of medical device and transmission information indicating the type of transmission content transmitted by the medical device.

[0079] The communication control unit 252 controls communication. The communication control unit 252 controls communication by the communication unit 220. The communication control unit 252 controls communication by the communication unit 220 based on information stored in the storage unit 240.

[0080] The communication control unit 252 controls wireless communication with the medical device according to the control by the base station 100. The communication control unit 252 controls wireless communication based on communication policy information set by the base station 100.

[0081] The communication control unit 252 controls wireless communication based on the communication policy information. The communication control unit 252 controls wireless communication in a communication mode determined based on the communication policy information. The communication control unit 252 controls wireless communication at a communication timing based on the communication policy information. The communication control unit 252 controls wireless communication with a packet error rate based on the communication policy information. The higher the priority, the lower the packet error rate is controlled by the communication control unit 252. The communication control unit 252 controls wireless communication with a communication delay based on the communication policy information. The higher the priority, the lower the delay is controlled by the communication control unit 252.

[0082] The communication control unit 252 controls wireless communication with an allocated frequency based on the communication policy information. The higher the priority, the more the communication control unit 252 increases the amount of allocated frequencies to control wireless communication. The communication control unit 252 controls wireless communication with a transmission / reception strength based on the communication policy information. The higher the priority, the more the communication control unit 252 increases the transmission / reception strength to control wireless communication. The higher the priority, the more the communication control unit 252 increases the transmission power to control wireless communication. The communication control unit 252 controls wireless communication with a coding rate based on the communication policy information.

[0083] [1-5. Procedure of communication control processing according to the first embodiment] Next, a procedure of communication control information processing according to the first embodiment will be described with reference to Fig. 8 and Fig. 9. First, a flow of learning processing according to the first embodiment will be described with reference to Fig. 8. Fig. 8 is a flowchart showing a procedure of communication control information processing according to the first embodiment.

[0084] 8, the terminal 200 acquires communication policy information determined by QoS information based on device information indicating the type of medical device and transmission information indicating the type of transmission content transmitted by the medical device (step S101). For example, the terminal 200 acquires communication policy information from the base station 100.

[0085] The terminal 200 controls wireless communication based on the communication policy information (step S102). The terminal 200 controls wireless communication based on the acquired transmission power, allocated frequency resources, coding rate, etc. Then, the terminal 200 performs wireless communication with medical devices arranged in the space of the medical institution (step S103). The terminal 200 transmits a message of a message type with the transmission power, allocated frequency resources, coding rate, etc. corresponding to the message type.

[0086] Next, an overall processing flow will be described with reference to Fig. 9. Fig. 9 is a sequence diagram showing a procedure of communication control information processing according to the first embodiment.

[0087] First, the base station 100 performs QoS-related control. The base station 100 requests the terminal 200-1, which is terminal A, and the terminal 200-2, which is terminal B, to collect information on QoS (step S201). For example, the base station 100 transmits a request notification for QoS control-related information and obtains the QoS control-related information from each terminal 200. The base station 100 transmits a request notification for QoS control-related information to the terminal 200-1 (step S202). As a result, the base station 100 notifies the terminal 200-1 of the request for QoS control-related information (step S203). In response to the request notification, the terminal 200-1 notifies the base station 100 of the information related to QoS held by the terminal 200-1 as QoS control-related information (step S204). For example, if the message type to be transmitted on the terminal 200-1 side has been determined, the terminal 200-1 transmits the message and priority information (QoS information) corresponding to each message to the base station 100.

[0088] Furthermore, base station 100 transmits a request notification for QoS control related information to terminal 200-2 (step S205). As a result, base station 100 notifies terminal 200-2 of a request for QoS control related information (step S206). In response to the request notification, terminal 200-2 notifies base station 100 of information related to QoS held by terminal 200-2 as QoS control related information (step S207). Note that base station 100 may simultaneously issue a request notification for QoS control related information to terminals 200-1 and 200-2, or may issue a request notification for QoS control related information to terminal 200-2 prior to terminal 200-1.

[0089] Then, the base station 100 creates an integrated QoS control (step S208). The base station 100 associates the type of traffic generated in each device (terminal 200) with the wireless communication control corresponding to each traffic, and creates integrated QoS control that is unified within the system. For example, the base station 100 determines an integrated QoS level and wireless communication parameters. The base station 100 then creates the information indicated in the integrated QoS information storage unit 121 and the information indicated in the communication parameter information storage unit 122 as the integrated QoS control.

[0090] Then, base station 100 transmits the integrated QoS control to terminal 200-1 (step S209). Base station 100 transmits information indicating the integrated QoS level and the wireless communication parameters to terminal 200-1. As a result, terminal 200-1 acquires the integrated QoS control indicating the integrated QoS level and the wireless communication parameters. Base station 100 transmits the integrated QoS control to terminal 200-2 (step S210). Base station 100 transmits information indicating the integrated QoS level and the wireless communication parameters to terminal 200-2. As a result, terminal 200-2 acquires the integrated QoS control indicating the integrated QoS level and the wireless communication parameters.

[0091] Then, when traffic occurs (step S211), terminal 200-1 performs transmission control according to QoS (step S212). Terminal 200-1 performs communication control using setting information such as wireless communication parameters set for each QoS level. Terminal 200-1 transmits a packet using wireless communication parameters such as transmission power, allocated frequency resources, and coding rate corresponding to the packet to be transmitted (step S213). Then, terminal 200-2 receives the packet from terminal 200-1 (step S214). Note that, in the example of FIG. 9, direct communication between terminals 200 is shown as an example, but communication via base station 100 is also processed in the same manner.

[0092] [1-6. Overview of communication control system] As described above, the communication control system 1 integrates the QoS level (rank) for each wireless traffic (packet) between multiple devices (terminals 200) and controls the wireless link according to the QoS level. As an example of the QoS level (rank), the level (rank) of the one directly related to human life is set to the highest, the level (rank) of the one related to human life but not seriously affecting human life is set to the next highest, and the level (rank) of the one not related to human life is set to the lowest. For example, in a case where a smaller value is set as the importance is higher, the level (rank) of the one directly related to human life is set to "1", the level (rank) of the one related to human life but not seriously affecting human life is set to "2", and the level (rank) of the one not related to human life is set to "3". Also, for example, in a case where a larger value is set as the importance is higher, the level (rank) of the one directly related to human life is set to "3", the level (rank) of the one related to human life but not seriously affecting human life is set to "2", and the level (rank) of the one not related to human life is set to "1". The above-mentioned level (rank) setting values ​​are merely examples, and various values ​​may be set depending on the number of levels (ranks), etc.

[0093] As examples of wireless communication control, the communication control system 1 performs control according to the priority of wireless links according to QoS, robust communication of high priority, time-space-frequency resource allocation, transmission power control, modulation / demodulation control, etc. In addition, the communication control system 1 may perform wireless communication control such as refraining from transmitting communication of low priority, time-frequency resource management, and spatial interference control.

[0094] Here, a specific example of the process shown in Fig. 9 will be described. For example, the base station 100 transmits a QoS control related information request to terminal A, which is a monitor, and terminal B, which is a blood pressure monitor. In response to the request from the base station 100, terminals A and B notify the base station 100 of the QoS control related information. Terminal A transmits information of the video monitor to other monitors, and transmits to the base station 100 a packet message type related to the monitor data and respective priority information. Terminal B transmits real-time data of the blood pressure monitor, and transmits to the base station 100 a packet message type related to the blood pressure monitor and respective priority information. The base station 100 creates an integrated QoS table using the obtained message type and priority information, and controls wireless communication.

[0095] For example, assume that terminal A handles the transmission of monitor information, and terminal B transmits electrocardiogram information to the server. In this case, the base station 100 side understands the contents of messages from the control information and data information of terminals A and B, and recognizes that monitor-related information and electrocardiogram information are being sent, respectively. In response to this, the base station 100 side creates an integrated QoS table and controls wireless communication.

[0096] [1-6-1. Integrated QoS Levels] The base station 100, which has obtained the QoS control related information, creates an integrated QoS control table as shown in Fig. 4. For example, the base station 100 aggregates the QoS control related information of each device (terminal 200) to give it a QoS level (importance level), and controls wireless communication traffic according to each importance level. For example, device #1 (terminal A) sends information such as importance levels 1, 2, and 3. Note that a higher value indicates higher importance. Also, device #2 (terminal B) sends information such as importance levels 1, 2, and 3. In this case, the base station 100 uses various information to determine an integrated importance level (integrated QoS level) as shown in Fig. 4.

[0097] [1-6-2. Wireless communication parameters] The base station 100 creates a table for determining a control method for wireless communication parameters according to the integrated QoS level. The base station 100 determines wireless communication parameters as shown in Fig. 5. Note that for transmission power and resources, the larger the number, the better the parameters assigned. For coding rate, the smaller the number, the better the performance.

[0098] Note that the setting policy of the integrated QoS level and the setting policy of the integrated QoS level and the parameter allocation of wireless communication may be controlled by a different policy control entity. For example, the following controllable wireless communication parameters may be targeted. The communication control system 1 may perform link switching, time-frequency resource allocation, and usage band switching for base station-terminal communication and terminal-terminal communication. For example, the communication control system 1 may switch the usage band from 2.4 GHz to 5 GHz. Furthermore, the communication control system 1 may switch the usage band from an unlicensed frequency band to a licensed frequency band. The communication control system 1 may switch the usage band from a licensed frequency band to an unlicensed frequency band.

[0099] Furthermore, the communication control system 1 may switch the transmission method (Tx diversity, MIMO (Multiple Input Multiple Output) transmission, Beamforming weight change). For example, the communication control system 1 may perform link coordination. For example, the communication control system 1 may temporarily stop communication and secure resources for a link that should be prioritized.

[0100] The communication control system 1 may also change the modulation and coding rate. The change in modulation may be switching between QPSK (Quadrature Phase Shift Keying), 16QAM (Quadrature Amplitude Modulation), and the like.

[0101] Furthermore, the communication control system 1 may change the transmission power. For example, the communication control system 1 may switch the transmission module. When there are multiple modules, the communication control system 1 performs switching of the transmission point using a specific module. The switching of the transmission point includes switching of distributed transmission points and physical antenna switching. The switching of the transmission point includes various methods for realizing spatial diversity.

[0102] Furthermore, when it appears that the communication quality is unlikely to be satisfied by any of the above-mentioned controls, the communication control system 1 may notify the system user of an alert by displaying it to make the user aware of the situation.

[0103] After creating the QoS control table, the communication control system 1 sets the QoS control table for each terminal 200, and controls wireless communication parameters according to each traffic. When traffic occurs in terminal A, terminal A sets wireless communication parameters using the generated traffic and the set integrated QoS control table. After setting the wireless communication parameters, a packet is transmitted to achieve transmission and reception with terminal B.

[0104] The communication control system 1 may create a QoS table including not only wireless communication traffic but also existing wired traffic such as DICOM. The control of wireless communication parameters by the communication control system 1 may be to relatively control parameters according to the QoS status of other communication links. For example, if there are three links and two of the three are packets with very high QoS, the packet transmission of the remaining link with low QoS may be controlled by multiplying a predetermined parameter by a predetermined weight value (weight α, etc.) and performing communication with further reduced performance. In addition, additional control of wireless communication parameters may be performed using the congestion level of the band, interference information from a specific link, etc., but this point will be described in detail later.

[0105] [1-6-3. QoS related information] The QoS related information may include various information. For example, the QoS related information may include information such as transmission information. The transmission information may include various information related to traffic, such as information indicating the type of traffic and information indicating the use of the traffic. For example, the transmission information may include information indicating whether the type of traffic is audio, video, or the like. For example, the transmission information may include information indicating whether the use of the traffic is communication of important data, backup processing, or the like.

[0106] In the above example, the terminal 200 notifies the base station 100 of QoS-related information in response to a request from the base station 100, but the base station 100 and the terminal 200 may acquire QoS-related information by various means. For example, the base station 100 and the terminal 200 may acquire QoS-related information such as QoS information by analyzing transmission control information, data traffic, and packet information from the terminal 200 side at the base station 100 side, without transmitting a request notification for QoS control-related information.

[0107] For example, the base station 100 and the terminal 200 may obtain QoS control related information by determining or extracting information. The base station 100 and the terminal 200 may extract QoS information from information related to data traffic. The base station 100 and the terminal 200 may use the following information to identify QoS information. The base station 100 and the terminal 200 may extract QoS information from information indicating what kind of traffic is present, such as the type of traffic, the traffic pattern, and the traffic period. For example, the base station 100 and the terminal 200 may extract QoS information from characteristics of transmission timing on the time axis, such as Periodic, Aperiodic, and Event trigger.

[0108] Furthermore, the base station 100 and the terminal 200 may extract QoS information from information related to the purpose of traffic and the message being sent. For example, the base station 100 and the terminal 200 may read a data signal (message information) transmitted in a packet header or the like, and identify the purpose of traffic based on the read information. The base station 100 and the terminal 200 may estimate QoS information from the traffic pattern (periodic, aperiodic, event trigger), the traffic size, and the data size being sent. For example, the base station 100 and the terminal 200 may treat large data as important data. For example, the base station 100 and the terminal 200 may determine that the larger the volume of data, the higher the importance.

[0109] Furthermore, base station 100 and terminal 200 may determine (specify) QoS information based on the amount of traffic buffered. For example, terminal 200 on the transmitting side may send information such as a buffer status report to terminal 200 on the receiving side to notify how much traffic is accumulated on the transmitting side. In this way, if base station 100 or terminal 200 has a high buffer, for example, it may preferentially process that traffic as data with high QoS.

[0110] Also, the base station 100 and the terminal 200 may determine (specify) QoS information based on a traffic delay requirement value. For example, the base station 100 and the terminal 200 may put a traffic delay requirement value in a packet header or the like, and determine QoS based on that information. For example, the base station 100 and the terminal 200 may set a high QoS if there is a strict delay requirement. Also, the base station 100 and the terminal 200 may determine (specify) QoS information based on a traffic reliability requirement value. For example, the base station 100 and the terminal 200 may put a reliability requirement value in a packet header or the like, and determine QoS based on that information. For example, the base station 100 and the terminal 200 may set a high QoS if there is a high reliability requirement value.

[0111] Furthermore, the base station 100 and the terminal 200 may determine (specify) the QoS information based on the period of traffic. For example, the traffic information may be quantified in advance as a score such as an importance level. The importance level may be linked to the QoS and used as the QoS information. For example, traffic such as communication between monitors may be assigned a low importance level (e.g., 2), and traffic related to electric scalpel control may be assigned a high importance level (e.g., 8).

[0112] Also, for example, QoS control related information may be exchanged (semi-)statically between terminal 200 and base station 100, or may be exchanged dynamically. In the case of dynamic exchange, priority information (QoS information) of the packet and information on the degree of priority of the packet in terminal 200 may be notified for each packet transmission. In the case of static exchange, the exchange may be performed once when power is turned on (at startup), or in the case of semi-static exchange, the exchange may be performed periodically, for example, every few seconds.

[0113] [1-7. Conceptual diagram of communication control system] Here, each function, hardware configuration, and data in the communication control system are conceptually shown using Fig. 10. Fig. 10 is a conceptual diagram showing an example of the communication control system according to the first embodiment. Specifically, Fig. 10 is a conceptual diagram showing an example of the communication control system in the case where the integrated QoS control table is created on the base station 100 side. The communication control system shown in Fig. 10 corresponds to the communication control system 1, and includes terminals 200-1 to 200-3 and the base station 100.

[0114] "Adapter" in the base station 100 indicates a function used to realize wireless communication control. For example, "Adapter" corresponds to a function for integrating QoS settings for each traffic. For example, the function of "Adapter" corresponds to the function of the determination unit 153 shown in FIG. 3.

[0115] A "policy control entity" in base station 100 controls an "Adapter" to create an integrated QoS table from the QoS tables of terminals 200-1 to 200-3. For example, base station 100 corresponds to an entity that realizes a wireless communication link. Base station 100 generates an integrated QoS control table by an "Adapter". Base station 100 controls communication of terminals 200-1 to 200-3 by the integrated QoS control table.

[0116] 10, the base station 100 creates an integrated QoS control table in the system according to the direction of the policy control entity, using the QoS list information in each terminal 200. Each terminal 200 controls the communication unit according to the set integrated QoS control table and its own generated traffic, and performs radio link control.

[0117] The "policy control entity" may change the configuration depending on the situation. For example, the "policy control entity" may change the configuration depending on the surgery, the contents of the surgery, or the operation. For example, the "policy control entity" may change the configuration depending on the time, the place, or the user such as a doctor (operator). The "policy control entity" may be set for each doctor. For example, the "policy control entity" may change the configuration depending on the device (terminal 200) in the network. For example, the "policy control entity" may change the configuration depending on the type and number of terminals 200 in the network and available communication resources (frequency bands, etc.). For example, the "policy control entity" may be operated in a fixed manner, or may change the configuration dynamically.

[0118] [2. Second embodiment] In the above first embodiment, the base station 100 determines the integrated QoS level, wireless communication parameters, etc., but the device that determines the integrated QoS level, wireless communication parameters, etc. is not limited to the base station and may be another device. In the second embodiment, a case where the server 300 determines the integrated QoS level, wireless communication parameters, etc. will be described as an example. Note that the description of the same points as those of the base station 100 and the terminal 200 according to the first embodiment will be omitted as appropriate.

[0119] [2-1. Overview of communication control process according to the second embodiment of the present disclosure] First, an overview of the communication control process according to the second embodiment will be described with reference to FIG. 11. FIG. 11 is a diagram showing an example of the communication control process according to the second embodiment of the present disclosure. The configuration of a communication control system 1A shown in FIG. 11 will be described. As shown in FIG. 11, the communication control system 1A includes a base station 100A, a plurality of terminals 200, and a server 300. The base station 100A is connected to the server 300 via a predetermined network N (such as the Internet) so as to be able to communicate with each other by wire or wirelessly. The base station 100A transmits and receives information to and from the server 300.

[0120] The server 300 is an information processing device used to provide wireless communication services. The server 300 makes various decisions using information acquired from the base station 100A. The server 300 determines an integrated QoS level and communication parameters. For example, the server 300 may be a core network such as EPC (Evolved Packet Core).

[0121] First, base station 100A acquires information related to QoS control (QoS control related information) from terminal 200-1, which is terminal A (step S21). For example, terminal 200-1 transmits three types of packet message types and their respective priority information (see FIG. 7) to the base station. Terminal 200-1 transmits priority information indicating that the priority (QoS level) of monitor message type #1 is "1", the QoS level of monitor message type #2 is "2", and the QoS level of monitor message type #3 is "3" to the base station.

[0122] The base station 100A also acquires QoS control related information from the terminal 200-2, which is the terminal B (step S22). The terminal 200-2 transmits priority information indicating that the priority (QoS level) of the blood pressure monitor message type #1 is "1", the QoS level of the blood pressure monitor message type #2 is "2", and the QoS level of the blood pressure monitor message type #3 is "3" to the base station.

[0123] The base station 100A that has obtained the QoS control related information transmits the QoS control related information to the server 300 (step S23). The base station 100A transmits to the server 300 the QoS control related information acquired from the terminals 200-1 and 200-2.

[0124] The server 300, having acquired the QoS control related information, creates an integrated QoS control table (step S24). For example, the server 300 determines an integrated QoS level (importance level) based on the QoS control related information of the terminals 200-1 and 200-2. The server 300 determines an integrated QoS level in which the monitor message type #1 is "1", the sphygmomanometer message type #1 is "2", the monitor message type #2 is "3", the sphygmomanometer message type #2 is "4", the monitor message type #3 is "5", and the sphygmomanometer message type #3 is "6".

[0125] Furthermore, the server 300 creates a table for determining a control method of wireless communication parameters according to the integrated QoS level (integrated QoS level). The server 300 determines wireless communication parameters for each of the integrated QoS levels "1" to "6". The server 300 determines wireless communication parameters such as transmission power, allocated frequency resources, and coding rate. The server 300 determines wireless communication parameters such that the higher the integrated QoS level, the higher the transmission power, the more allocated frequency resources, and the better the coding rate.

[0126] Then, the server 300 transmits information indicating the determined integrated QoS level and the wireless communication parameters to the base station 100A (step S25). Then, the base station 100A, which has acquired the information indicating the integrated QoS level and the wireless communication parameters from the server 300, transmits the information indicating the wireless communication parameters to the terminal 200-1 (step S26). The base station 100A transmits information indicating wireless communication parameters such as transmission power, allocated frequency resources, and coding rate to the terminal 200-1. For example, the base station 100A transmits information indicating message types corresponding to each integrated QoS level and information indicating wireless communication parameters of each message type to the terminal 200-1. The terminal 200-1 acquires the information indicating the wireless communication parameters as communication policy information.

[0127] Furthermore, the base station 100A transmits information indicating the determined wireless communication parameters to the terminal 200-2 (step S27). The base station 100A transmits information indicating wireless communication parameters such as transmission power, allocated frequency resources, and coding rate to the terminal 200-2. For example, the base station 100A transmits information indicating message types corresponding to each integrated QoS level and information indicating wireless communication parameters of each message type to the terminal 200-2. The terminal 200-2 acquires the information indicating the wireless communication parameters as communication policy information.

[0128] Then, the terminal 200 controls wireless communication based on the communication policy information (step S28). Each terminal 200 controls wireless communication based on the acquired communication policy information.

[0129] [2-2. Configuration of base station and server according to the second embodiment] First, a description will be given of the configuration of the base station 100A that executes the communication control process according to the second embodiment. Fig. 12 is a diagram showing an example of the configuration of the base station and the server according to the second embodiment.

[0130] As shown in FIG. 12, the base station 100A includes a communication unit 120, a storage unit 140, and a control unit 150A. The communication unit 120 includes a network communication unit that communicates with an external information processing device via a network N. The communication unit 120 communicates with a server 300 via the network N. The control unit 150A differs from the control unit 150 of the base station 100 in that the control unit 150A does not include a determination unit 153. The control unit 150A is realized, like the control unit 150, by, for example, a CPU, an MPU, or the like, executing a program (for example, a communication control program according to the present disclosure) stored inside the base station 100A using a RAM or the like as a working area. The control unit 150A may also be realized by, for example, an integrated circuit such as an ASIC or an FPGA.

[0131] As shown in Fig. 12, the server 300 has a function of "Adapter." For example, the "Adapter" in Fig. 12 has the same function as the "Adapter" in Fig. 10. The server 300 has the function of the determination unit 153 shown in Fig. 3.

[0132] The server 300 determines various information. The server 300 determines communication policy information based on device information indicating the type of medical device and QoS information based on transmission information indicating the type of transmission content transmitted by the medical device. The server 300 determines communication policy information based on QoS information based on transmission information, which is information indicating the type of traffic. The server 300 determines communication policy information based on QoS information based on transmission information, which is information indicating the purpose of traffic. The server 300 determines communication policy information based on QoS information based on transmission information, which is information indicating the traffic pattern.

[0133] The server 300 determines communication policy information by QoS information based on transmission information, which is information indicating the size of traffic. The server 300 determines communication policy information by QoS information based on transmission information, which is information indicating the buffer amount of traffic. The server 300 determines communication policy information by QoS information based on transmission information, which is information indicating a delay requirement value of traffic. The server 300 determines communication policy information by QoS information based on transmission information, which is information indicating a reliability requirement value of traffic. The server 300 determines communication policy information by QoS information based on transmission information, which is information indicating a reliability requirement value of traffic. The server 300 determines communication policy information by QoS information based on transmission information, which is information indicating a periodicity of traffic.

[0134] The server 300 determines the type of a message to be sent to another device and determines the QoS of the message. The server 300 determines the QoS of the message by image recognition. The server 300 determines the QoS of the message based on the header information of the message. The server 300 determines the QoS of the message based on the metadata of the message. The server 300 determines the QoS of the message based on the DICOM information of the message. The server 300 determines the QoS level of the message.

[0135] [3. Third embodiment] In the above first and second embodiments, the base station 100 and the server 300 determine the integrated QoS level, the wireless communication parameters, etc., but the wireless terminal device may determine the integrated QoS level, the wireless communication parameters, etc. Note that the description of the same points as those of the above-mentioned base stations 100, 100A and the terminal 200 will be omitted as appropriate.

[0136] [3-1. Overview of communication control process according to the third embodiment of the present disclosure] First, an overview of the communication control process according to the third embodiment will be described with reference to Fig. 13. Fig. 13 is a diagram showing an example of the communication control process according to the third embodiment of the present disclosure. Specifically, Fig. 13 is a sequence diagram showing a procedure of the communication control process according to the third embodiment. Fig. 13 is also a diagram showing a configuration example of a communication control system 1B according to the third embodiment of the present disclosure.

[0137] First, the configuration of a communication control system 1B shown in Fig. 13 will be described. As shown in Fig. 13, the communication control system 1B includes a base station 100B and a plurality of terminals 200B. In the example of Fig. 13, only two terminals 200B, terminal 200B-1 which is terminal A and terminal 200B-2 which is terminal B, are illustrated, but three or more terminals 200B are included. Furthermore, when the terminals 200B-1 to 200B-2 are described without any particular distinction, they will be referred to as terminals 200B.

[0138] The terminal 200B is a wireless terminal device that performs wireless communication with medical devices arranged in the space of a medical institution, similar to the terminal 200. For example, the terminal 200B determines an integrated QoS level, wireless communication parameters, etc. Then, the terminal 200B sets transmission control parameters according to the integrated QoS table based on the integrated QoS control table and its own traffic when traffic occurs, and performs communication.

[0139] The base station 100B is a device that provides a wireless communication service to the terminal 200B, similar to the base station 100 and the base station 100A. The base station 100B is a device used for communication between the terminals 200B. For example, the base station 100B may have a determination unit 153 like the base station 100, or may not have a determination unit 153 like the base station 100A.

[0140] The base station 100B, the terminal 200B-1, and the terminal 200B-2 communicate with each other through wireless communication corresponding to a predetermined wireless communication system. The base station 100B and the terminal 200B transmit and receive information through wireless communication corresponding to 5G. Each terminal 200B transmits and receives information with other terminals 200B through wireless communication corresponding to 5G. The communication control system 1B shown in FIG. 13 may include multiple base stations 100B. The communication control system 1B may include various components other than the base station 100B and the terminal 200B. For example, the communication control system 1B may include a component such as a server like the server 300 shown in FIG. 11.

[0141] From here, the procedure of the communication control information processing will be explained. In the communication control system 1B, the base station 100B issues an integrated QoS creation instruction to the terminals 200B-1 and 200B-2, and updates the QoS table in each terminal 200B. The base station 100B issues an integrated QoS creation instruction to the terminals 200B-1 and 200B-2 (step S301). The base station 100B creates a table of traffic and communication control in each terminal 200B in advance, and sets it in each terminal 200B. In the example of FIG. 13, the base station 100B creates a table of traffic and communication control in the terminal 200B, transmits the created information to the terminal 200B-1 (step S302), and transmits the created information to the terminal 200B-1 (step S303).

[0142] Then, the terminal 200B sets wireless communication parameters based on the set QoS control table and the traffic in the terminal 200B. For example, the terminal 200B creates an integrated QoS control. The terminal 200B-1 sets wireless communication parameters based on the set QoS control table and the traffic in the terminal 200B-1. For example, the terminal 200B-1 determines an integrated QoS level based on the set QoS control table and the traffic in the terminal 200B-1, and determines wireless communication parameters according to the determined integrated QoS level. The terminal 200B-1 determines an integrated QoS level, wireless communication parameters, and the like. The terminal 200B-1 creates information on the integrated QoS and information indicating the wireless communication parameters as integrated QoS control (step S304). In this case, if the traffic in the terminal 200B-1 does not match the QoS control table, the terminal 200B-1 may report to the base station 100B side and request a revision of the information (integrated QoS table, QoS control table, and the like).

[0143] Furthermore, the terminal 200B-2 sets wireless communication parameters based on the set QoS control table and the traffic in the terminal 200B-2. For example, the terminal 200B-2 determines an integrated QoS level based on the set QoS control table and the traffic in the terminal 200B-2, and determines wireless communication parameters according to the determined integrated QoS level. The terminal 200B-2 determines the integrated QoS level, wireless communication parameters, etc. The terminal 200B-2 creates information on the integrated QoS and information indicating the wireless communication parameters as integrated QoS control (step S305).

[0144] Note that the case where each terminal 200B creates the integrated QoS control is not limited to this, and a specific terminal 200B may create the integrated QoS control. For example, one terminal 200B may create the integrated QoS control and transmit the created integrated QoS control to each terminal 200B. In this case, like base station 100, one terminal 200B may acquire QoS related information of each terminal 200, create the integrated QoS control, and transmit the created integrated QoS control to each terminal 200B. Note that the case where one terminal 200B creates the integrated QoS control will be described later in detail.

[0145] When traffic occurs (step S306), the terminal 200B-1 performs transmission control according to the QoS (step S307). The terminal 200B-1 performs communication control using setting information such as wireless communication parameters set for each QoS level. The terminal 200B-1 transmits a packet using wireless communication parameters such as transmission power, allocated frequency resources, and coding rate corresponding to the packet to be transmitted (step S308). Then, the terminal 200B-2 receives the packet from the terminal 200B-1 (step S309). Note that, in the example of FIG. 9, direct communication between the terminals 200B is shown as an example, but communication via the base station 100B is also processed in the same manner.

[0146] [3-2. Configuration of the terminal according to the third embodiment] Next, a configuration of a terminal 200B, which is an example of a wireless terminal device that executes a communication control process according to the third embodiment, will be described. Fig. 14 is a diagram showing an example of the configuration of a terminal according to the third embodiment. As shown in Fig. 14, the terminal 200B has a communication unit 220, a storage unit 240B, and a control unit 250B.

[0147] The storage unit 240B is realized by, for example, a semiconductor memory element such as a RAM or a flash memory, or a storage device such as a hard disk or an optical disk, similar to the storage unit 240. The storage unit 240B has a QoS information storage unit 241, a setting information storage unit 242, and an integrated QoS storage unit 243.

[0148] The integrated QoS information storage unit 243 according to the second embodiment stores the integrated QoS information. Note that the information stored in the integrated QoS information storage unit 243 is similar to that of the integrated QoS information storage unit 141 shown in FIG. 4, and therefore a description thereof will be omitted.

[0149] The control unit 250B is realized, for example, by a CPU, an MPU, or the like executing a program (for example, a communication control program according to the present disclosure) stored in the terminal 200B using a RAM or the like as a working area, similar to the control unit 250. The control unit 250B may also be realized, for example, by an integrated circuit such as an ASIC or an FPGA.

[0150] 14, control unit 250B has an acquisition unit 251, a communication control unit 252, and a determination unit 253, and realizes or executes the functions and actions of information processing described below. Note that the internal configuration of control unit 250 is not limited to the configuration shown in FIG. 14, and may be other configurations as long as they perform information processing described below.

[0151] The communication control unit 252 controls wireless communication of the message based on the QoS determined by the determination unit 253. The communication control unit 252 controls wireless communication of the message based on the QoS level determined by the determination unit 253.

[0152] The determination unit 253 determines communication policy information based on device information indicating the type of medical device and QoS information based on transmission information indicating the type of transmission content transmitted by the medical device. The determination unit 253 determines communication policy information based on QoS information based on transmission information which is information indicating the type of traffic. The determination unit 253 determines communication policy information based on QoS information based on transmission information which is information indicating the use of traffic. The determination unit 253 determines communication policy information based on QoS information based on transmission information which is information indicating the traffic pattern. The determination unit 253 determines communication policy information based on QoS information based on transmission information which is information indicating the size of traffic.

[0153] The determination unit 253 determines communication policy information by QoS information based on transmission information which is information indicating the buffer amount of traffic. The determination unit 253 determines communication policy information by QoS information based on transmission information which is information indicating a delay requirement value of traffic. The determination unit 253 determines communication policy information by QoS information based on transmission information which is information indicating a reliability requirement value of traffic. The determination unit 253 determines communication policy information by QoS information based on transmission information which is information indicating a reliability requirement value of traffic. The determination unit 253 determines communication policy information by QoS information based on transmission information which is information indicating a traffic periodicity.

[0154] The determination unit 253 determines the type of a message to be transmitted to another device, and determines the QoS of the message. The determination unit 253 determines the QoS of the message by image recognition. The determination unit 253 determines the QoS of the message based on the header information of the message. The determination unit 253 determines the QoS of the message based on the metadata of the message. The determination unit 253 determines the QoS of the message based on information related to DICOM of the message. The determination unit 253 determines the QoS level of the message.

[0155] [3-3. Conceptual diagram of communication control system] Here, each function, hardware configuration, and data in the communication control system are conceptually shown using Fig. 14. Fig. 14 is a conceptual diagram showing an example of a communication control system according to a third embodiment. Specifically, Fig. 14 is a conceptual diagram showing an example of a communication control system in a case where an integrated QoS control table is created on the terminal 200B side. The communication control system shown in Fig. 14 corresponds to the communication control system 1B, and includes terminals 200B-1 to 200B-3 and a base station 100B.

[0156] "Adapter" in the terminal 200B indicates a function used to realize wireless communication control. For example, "Adapter" corresponds to a function for integrating QoS settings for each traffic. For example, the function of "Adapter" corresponds to the function of the determination unit 253 shown in FIG. 14.

[0157] The "policy control entity" in base station 100B controls the "Adapters" of terminals 200B-1 to 200B-3 to make terminals 200B-1 to 200B-3 create an integrated QoS table. For example, terminals 200B-1 to 200B-3 generate an integrated QoS control table using their "Adapters." Terminals 200B-1 to 200B-3 control communications using the integrated QoS control table. In this way, in FIG. 15, base station 100 performs only adapter control to convert the QoS list by the policy control entity into an integrated QoS control table.

[0158] [4. Fourth embodiment] In the above third embodiment, the case where each medical device (terminal 200B) determines the integrated QoS level, wireless communication parameters, etc. has been described, but only a predetermined wireless terminal device among the wireless terminal devices may determine the integrated QoS level, wireless communication parameters, etc. Note that the description of the same points as those of the above-mentioned base stations 100, 100A, 100B and terminals 200, 200B will be omitted as appropriate.

[0159] [4-1. Configuration of the communication control system according to the fourth embodiment of the present disclosure] First, a description will be given of the configuration of a communication control system 1C that executes a communication control process according to the fourth embodiment. Fig. 16 is a diagram showing an example of the configuration of the communication control system according to the fourth embodiment of the present disclosure.

[0160] As shown in FIG. 16, the communication control system 1C includes one terminal 200B and multiple terminals 200. In this way, the communication control system 1C includes the terminal 200B that determines the integrated QoS level, wireless communication parameters, etc., and multiple terminals 200 that control communication according to the integrated QoS level, wireless communication parameters, etc. acquired from the terminal 200B. In the example of FIG. 16, the terminal 200B-20 is an IP converter, the terminal 200-21 is an operative field camera, the terminal 200-22 is an endoscope camera, the terminal 200-23 is a microscope, the terminal 200-24 is a 4K monitor, the terminal 200-25 is a recorder (storage device), and the terminal 200-26 is a blood pressure monitor. Note that the communication control system 1C is not limited to the six terminals 200 of the terminals 200-21 to 200-26, and may include various terminals 200. In addition, the communication control system 1C shown in FIG. 16 may include multiple terminals 100B.

[0161] The terminal 200B-20 is an IP converter that wirelessly transmits various data such as 4K or HD (High Definition) video and control signals. In the example of Fig. 16, the terminal 200B-20 is a medical IP converter that wirelessly transmits data such as various videos inside and outside the operating room. The terminal 200B-20 transmits and receives information to and from terminals 200 such as terminals 200-21 to 200-26 through wireless communication compatible with 5G.

[0162] For example, the terminal 200B-20, which is an IP converter, converts various data into IP (Internet Protocol) data and transmits it. The terminal 200B-20 is connected to various terminals 200 including 4K medical devices (terminal 200-24, etc.) so as to be capable of wireless communication, and converts various types of video signal data from input to output into IP data, thereby transmitting video and control signals wirelessly. This allows the communication control system 1C to realize a simple system configuration in a space of a medical institution, such as an operating room.

[0163] The terminal 200B-20, which is an IP converter, has an "Adapter" function used to realize wireless communication control. The "Adapter" in the terminal 200B-20 corresponds to a function for integrating QoS settings for each traffic. For example, the "Adapter" function corresponds to the function of the determination unit 253 of the terminal 200B shown in FIG. 14. In the example of FIG. 16, the terminal 200B-20 requests the terminals 200-21 to 200-26 to transmit QoS related information, and acquires the QoS related information from the terminals 200-21 to 200-26. Then, the terminal 200B-20 creates an integrated QoS control using the QoS related information of the terminals 200-21 to 200-26, and transmits the created integrated QoS control to the terminals 200-21 to 200-26.

[0164] [5. Fifth embodiment] Next, as an example of communication control specific to medical use, communication control against special interference will be described. In some of the above-mentioned embodiments, the terminal controls wireless communication parameters according to the transmission packet and the integrated QoS table, but in addition to this, the base station may perform additional control of wireless communication. For example, in the space of a medical institution, such as an operating room, there are cases where equipment that is expected to interfere with other equipment, such as an electric scalpel, is used, and it is necessary to ensure the communication quality of wireless communication even in an environment where such interference occurs.

[0165] Therefore, the communication control system may detect interference and perform communication control according to the interference. This point will be described with reference to FIG. 17. FIG. 17 is a diagram showing a configuration example of a communication control system according to a fifth embodiment of the present disclosure. Note that, in the example of FIG. 17, a base station 100D detects interference and performs communication control, but a wireless terminal device may detect interference and perform communication control. Note that a description of the same points as those of the above-mentioned base stations 100, 100A, and 100B and terminals 200 and 200B will be omitted as appropriate.

[0166] [5-1. Configuration of a communication control system according to a fifth embodiment of the present disclosure] First, a configuration of a communication control system 1D that executes a communication control process according to the fifth embodiment will be described. Fig. 17 is a diagram showing a configuration example of a communication control system according to the fifth embodiment of the present disclosure. Fig. 17 shows an example of wireless communication link addition control for predictable interference.

[0167] As shown in Fig. 17, the communication control system 1D includes a base station 100D and a plurality of terminals 200. In the example of Fig. 17, only two terminals 200, a terminal 200-11 that is an electronic scalpel and a terminal 200-12 that is an electrocardiograph, are illustrated, but the communication control system 1D may include three or more terminals 200.

[0168] The base station 100D is a device that provides wireless communication services to the terminal 200, similar to the base station 100. In the example of FIG. 17, the base station 100D is connected to the terminal 200-11, which is an electronic scalpel, through a predetermined interface IF. The base station 100D also wirelessly communicates with the terminal 200-12, which is an electrocardiograph, through wireless communication RC compatible with 5G. For example, the base station 100D determines an integrated QoS level, wireless communication parameters, and the like. The base station 100D has a function of an interference detection unit that detects interference related to communication. The base station 100D may also set a profile of an interfering device, which is the interfering terminal 200.

[0169] A control unit 150D (not shown) of the base station 100D differs from the control unit 150 of the base station 100 in that the control unit 150D has an appliance operation detection unit 154 and an interference measurement unit 155. The base station 100D has the interference measurement unit 155 that functions as an interference detection unit that detects interference related to communication. The communication control unit 152 of the base station 100D controls wireless communication based on the interference detected by the interference detection unit.

[0170] The appliance operation detection unit 154 detects the operation of the appliance (terminal 200). The appliance operation detection unit 154 acquires information indicating that a user has performed an operation, such as pressing an operation button on the appliance (terminal 200). The appliance operation detection unit 154 detects information generated by the operation of the appliance (terminal 200), for example.

[0171] The interference measurement unit 155 detects interference related to communication and measures interference by appropriately using various techniques related to interference detection, etc. The interference measurement unit 155 changes the measurement frequency of the interference measurement unit according to the type of device (terminal 200) operating and the operating status of the device (terminal 200). For example, when the target device (terminal 200) starts operating, the interference measurement unit 155 performs interference measurement every X ms. (Terminal 200) For example, when interference from a specific type of device (terminal 200) is detected, the interference measurement is performed at a measurement frequency according to the device (terminal 200). The interference measurement unit 155 changes the subsequent interference measurement frequency based on the interference detection result obtained initially. The interference measurement unit 155 changes the frequency according to, for example, the interference level and interference pattern obtained initially. The interference measurement unit 155 generates a specific interference pattern for each device (terminal 200) as shown in FIG. 18, and embeds information in the interference. FIG. 18 is a diagram showing an example of a process related to interference measurement according to the fifth embodiment. Specifically, FIG. 18 shows a particular example of the generation of an interference pattern.

[0172] In the example of Fig. 18, the interference measurement unit 155 generates an interference pattern characteristic of the initial interference. The interference measurement unit 155 generates an interference pattern characteristic of the initial interference as shown in the interference pattern PT1. The interference measurement unit 155 optimizes the measurement method. The interference measurement unit 155 optimizes the measurement method as shown in the target TG1.

[0173] The communication control unit 152 controls communication based on the information measured by the interference measurement unit 155. The communication control unit 152 switches the frequency according to the information measured by the interference measurement unit 155. The communication control unit 152 switches between the licensed band and the unlicensed band according to the information measured by the interference measurement unit 155. The communication control unit 152 controls the transmission power according to the information measured by the interference measurement unit 155. The communication control unit 152 increases the transmission power of the link to be protected according to the information measured by the interference measurement unit 155.

[0174] The communication control unit 152 changes the coding rate according to the information measured by the interference measurement unit 155. The communication control unit 152 increases the coding rate of the link to be protected according to the information measured by the interference measurement unit 155. The communication control unit 152 performs repetition transmission according to the information measured by the interference measurement unit 155. The communication control unit 152 enables retransmission to the link to be protected according to the information measured by the interference measurement unit 155. For example, the communication control unit 152 performs HARQ (Hybrid Automatic Repeat reQuest) transmission according to the information measured by the interference measurement unit 155.

[0175] The communication control unit 152 changes the transmission method according to the information measured by the interference measurement unit 155. The communication control unit 152 changes the transmission method of the link to be protected according to the information measured by the interference measurement unit 155. For example, the communication control unit 152 may perform a process for improving the quality and reliability of communication, that is, a so-called transmission diversity process, according to the information measured by the interference measurement unit 155. Also, for example, the communication control unit 152 may perform MIMO transmission according to the information measured by the interference measurement unit 155.

[0176] The communication control unit 152 may perform priority control according to the information measured by the interference measurement unit 155. The communication control unit 152 lowers the communication quality of a link that does not need to be protected and raises the communication quality of a link that should be protected according to the information measured by the interference measurement unit 155. The communication control unit 152 may change packet transmission, pattern change, or resource allocation method according to the information measured by the interference measurement unit 155. The communication control unit 152 performs resource allocation so as to avoid the interference pattern of the device (terminal 200) according to the information measured by the interference measurement unit 155. The communication control unit 152 may switch from wireless to wired communication according to the information measured by the interference measurement unit 155. The communication control unit 152 switches to wired communication according to the information measured by the interference measurement unit 155. The communication control unit 152 may also notify a person (such as an administrator of the communication control system 1D) of the need to perform switching.

[0177] For example, when a large interference is expected to occur from a terminal 200-11 that is a specific medical device such as an electric scalpel, the communication control system 1D may control wireless communication in consideration of the expected interference. The communication control system 1D detects the start of a device that is expected to affect wireless communication, such as an electric scalpel, in an operating room environment, and predicts interference with the wireless communication being used. Then, in a situation where interference is predicted to occur, the communication control system 1D resets transmission and reception control parameters for wireless communication to achieve wireless communication with high interference resistance. For example, the base station 100D of the communication control system 1D executes the above-mentioned processes such as detection and prediction.

[0178] The base station 100D takes measures against predictable interference. The equipment operation detection unit 154 of the base station 100D functions as a detection unit that detects the start of a device (such as the terminal 200-12) that may affect wireless communication of the terminal 200-11, which is an electric scalpel, in an environment such as an operating room. The interference measurement unit 155 of the base station 100D functions as an interference prediction unit that predicts interference with the wireless communication being used. In a situation where interference is predicted to occur, the communication control unit 152 of the base station 100D resets the transmission and reception control parameters of the wireless communication to perform wireless communication with high interference resistance.

[0179] The above-mentioned process may be performed on the wireless terminal device side. In this case, the terminal 200, which is a wireless terminal device, has an interference detection unit that detects interference related to communication. The interference detection unit detects interference related to communication or measures the interference by appropriately using various techniques related to interference detection, etc. For example, the terminal 200 may have an interference measurement unit 155 and an appliance operation detection unit 154 that function as interference detection units. The communication control unit 252 of the terminal 200 controls wireless communication based on the interference detected by the interference detection unit. By the above-mentioned process, the communication control system 1D can appropriately execute wireless communication control that takes interference into consideration even when interference caused by the terminal 200 is expected to occur.

[0180] [6. Other embodiments] The processes according to the above-described embodiments may be implemented in various different forms (variations) other than the above-described embodiments. For example, in the above-described examples, the base stations 100, 100A, 100B, and 100C and the wireless terminal devices 200 and 200B are separate entities, but the communication control system may include a wireless terminal device that functions as a base station.

[0181] [6-1. Other configuration examples] Here, communication control for blocking of wireless communication will be described as an example of communication control specific to medical care. The terminal 200 controls wireless communication parameters according to the transmission packets and the integrated QoS table, but in addition to this, the base station 100 may perform additional control of wireless communication. In this way, the communication control system may perform communication control corresponding to blocking of wireless communication. This point will be described with reference to FIG. 19. FIG. 19 is a diagram showing an example of the configuration of a communication control system according to a modified example of the present disclosure.

[0182] In the operating room 5 shown in FIG. 19, a plurality of antenna panels 61 are arranged on the shadowless lamp 60. In FIG. 19, four antenna panels 61-1 to 61-4 are arranged on the shadowless lamp 60, but the number of antenna panels 61 arranged on the shadowless lamp 60 is not limited to four. In addition, an antenna panel 61-5 is also arranged near the terminal 200-2. In FIG. 19, four antenna panels 61-1 to 61-4 as illustrated as the antenna panel 61-5 are provided on the shadowless lamp 60. Note that the antenna panels 61-1 to 61-5 are described as antenna panels 61 when there is no particular distinction between them. The base station 100 performs wireless communication using the antenna panel 61. For example, the base station 100 performs wireless communication with the terminal 200 using the antenna panel 61.

[0183] For example, the communication control system 1E judges an antenna panel 61, which is a plurality of MIMO communication antennas attached to a ceiling, a wall, a shadowless lamp 60, etc. in an operating room 5 as shown in Fig. 19, according to a line of sight (LOS) / non-line of sight (NLOS) situation. The communication control system 1E judges the quality of a wireless link. For example, the base station 100 judges the antenna panel 61 according to the LOS / NLOS situation. In this case, the base station 100 may have a judgment unit that judges the antenna panel 61 according to the LOS / NLOS situation.

[0184] Then, the communication control system 1E performs control to activate / deactivate the antenna panel 61 according to the determination of LOS / NLOS of the antenna panel 61. For example, the communication control system 1E may recognize the space and perform control of beamforming in the room all at once or by learning. For example, the base station 100 may function as a beamforming management entity. The base station 100 performs control to start / stop the antenna panel 61 according to the determination of LOS / NLOS of the antenna panel 61. In this case, the base station 100 may have an operation control unit that performs control to start / stop the antenna panel 61 according to the determination of LOS / NLOS of the antenna panel 61. For example, the base station 100 may recognize the space and perform control of beamforming in the room all at once or by learning.

[0185] As a result, the communication control system 1E can solve the problem of MIMO communication blocking caused by the head, body, etc. during surgery, and can establish a stable and robust wireless communication link.

[0186] For example, a communication control system 1E shown in FIG. 19 learns the wireless communication link state and appropriately switches the communication link before blocking occurs based on the predicted behavior of an obstacle. For example, the communication control system 1E may include components such as a server like the server 300 shown in FIG. 11. In the communication control system 1E, various server-side controls are performed. The server performs information collection processing corresponding to an information collection block for learning. The server acquires position information between the transmitter and receiver, 3D capture information of the operating room, position information of an obstacle, and communication quality results in each communication link. For example, in order for the server to collect the above information, a communication quality report is set from the base station 100 to the terminal 200.

[0187] The server performs a learning process corresponding to the learning block. The server determines optimal link and beamforming setting information in each communication environment. The server performs a prediction process corresponding to the behavior prediction block. The server uses a camera to perform behavior prediction of a moving object.

[0188] The server performs a determination process corresponding to the determination block. The server determines whether link switching is necessary or whether beamforming setting information is to be switched based on the behavior prediction information and the learning information.

[0189] The server performs processing corresponding to link switching and beamforming setting change blocks. The server issues instructions to activate / deactivate multiple transmitting nodes. The server sets beamforming to be used in the transmitting nodes. The above-mentioned server-side processing may be performed by the base station 100.

[0190] For example, the example of Fig. 19 shows a case where the base station 100 communicates with the terminal 200-3 using the antenna panel 61-3 out of the multiple antenna panels 61. The example of Fig. 19 also shows a case where the communication with the terminal 200-3 via the antenna panel 61-3 is blocked by the surgeon 8 due to a movement of the position of the surgeon 8 or the like. Therefore, the base station 100 switches the communication with the terminal 200-3 via the antenna panel 61-3 to communication via the antenna panel 61-4 or communication via the antenna panel 61-5.

[0191] The communication control unit 152 of the base station 100 controls wireless communication according to the position of the antenna. The communication control unit 152 of the base station 100 controls wireless communication using various techniques related to wireless communication. The communication control unit 152 of the base station 100 controls wireless communication using beamforming. The communication control unit 152 of the base station 100 controls wireless communication by switching the antenna panel 61 to be used for communication among the multiple antenna panels 61. For example, the communication control unit 152 of the base station 100 may select the antenna panel 61-4 having the strongest reception strength among the multiple antenna panels 61 as the antenna to be used for communication, and perform wireless communication using the selected antenna panel 61-4.

[0192] The antenna unit 110 of the base station 100 may have multiple antennas used for wireless communication. The communication control unit 152 of the base station 100 controls wireless communication according to the positions of the multiple antennas. The communication control unit 152 of the base station 100 controls wireless communication by switching the antenna to be used for communication among the multiple antennas.

[0193] The above-mentioned processing may be performed on the wireless terminal device side. In this case, the communication control unit 252 of the terminal 200, which is a wireless terminal device, controls wireless communication according to the position of the antenna. The communication control unit 252 of the terminal 200 controls wireless communication by beamforming. The communication control unit 252 of the terminal 200 controls wireless communication by various techniques related to wireless communication. The communication control unit 252 of the terminal 200 controls wireless communication by beamforming.

[0194] The antenna unit 210 of the terminal 200 may have multiple antennas used for wireless communication. The communication control unit 252 of the terminal 200 controls wireless communication according to the positions of the multiple antennas. The communication control unit 252 of the terminal 200 controls wireless communication by switching an antenna to be used for communication among the multiple antennas. The communication control unit 252 of the terminal 200 may select an antenna with the strongest reception strength among the multiple antennas as the antenna to be used for communication, and perform wireless communication using the selected antenna.

[0195] [6-2.Other] Furthermore, among the processes described in the above embodiments, all or part of the processes described as being performed automatically can be performed manually, or all or part of the processes described as being performed manually can be performed automatically by a known method. In addition, the information including the processing procedures, specific names, various data and parameters shown in the above documents and drawings can be changed arbitrarily unless otherwise specified. For example, the various information shown in each drawing is not limited to the illustrated information.

[0196] In addition, each component of each device shown in the figure is a functional concept, and does not necessarily have to be physically configured as shown in the figure. In other words, the specific form of distribution and integration of each device is not limited to that shown in the figure, and all or part of them can be functionally or physically distributed and integrated in any unit according to various loads, usage conditions, etc.

[0197] Furthermore, the above-described embodiments and modifications can be appropriately combined as long as the processing contents are not contradictory.

[0198] Furthermore, the effects described in this specification are merely examples and are not limiting, and other effects may also be obtained.

[0199] [7. Effects of this disclosure] As described above, the wireless terminal device (terminals 200 and 200B in the embodiments) according to the present disclosure is a wireless terminal device that performs wireless communication with medical devices arranged within the space of a medical institution, and includes an acquisition unit (first acquisition unit 251 in the embodiments) and a communication control unit (communication control unit 252 in the embodiments). The acquisition unit acquires communication policy information determined by QoS (Quality of Service) information based on device information indicating the type of medical device and transmission information indicating the type of transmission content transmitted by the medical device. The communication control unit controls wireless communication based on the communication policy information.

[0200] As a result, the wireless terminal device according to the present disclosure can perform wireless communication according to the QoS corresponding to the medical device by controlling wireless communication based on communication policy information according to the type of medical device and the type of transmission content transmitted by the medical device. Therefore, the wireless terminal device can improve the communication quality of the wireless connection of the medical device arranged in the space of the medical institution.

[0201] The wireless terminal device also performs wireless communication with the medical devices arranged in the operating room. As a result, when performing wireless communication with the medical devices arranged in the operating room, the wireless terminal device controls the wireless communication based on the communication policy information according to the QoS based on the type of the medical devices to be communicated with and the type of transmission content transmitted by the medical devices, thereby performing wireless communication in the operating room according to the QoS. Therefore, the wireless terminal device can improve the communication quality of the wireless connection of the medical devices arranged in the space of the medical institution.

[0202] Furthermore, the communication control unit controls wireless communication at a communication timing based on the communication policy information. As a result, the wireless terminal device can perform wireless communication at an appropriate communication timing that takes QoS into consideration by controlling wireless communication at a communication timing based on the communication policy information. Therefore, the wireless terminal device can improve the communication quality of wireless connections of medical devices arranged in the space of a medical institution.

[0203] Furthermore, the communication control unit controls wireless communication with a packet error rate based on the communication policy information. As a result, the wireless terminal device can perform wireless communication with an appropriate packet error rate that takes QoS into consideration by controlling wireless communication with a packet error rate based on the communication policy information. Therefore, the wireless terminal device can improve the communication quality of wireless connections of medical devices arranged in the space of a medical institution.

[0204] Furthermore, the communication control unit controls wireless communication by reducing the delay as the priority increases. This allows the wireless terminal device to perform wireless communication with an appropriate communication delay that takes QoS into consideration by controlling wireless communication by reducing the delay as the priority increases. Therefore, the wireless terminal device can improve the communication quality of wireless connections of medical devices arranged in the space of a medical institution.

[0205] Furthermore, the communication control unit controls wireless communication at the allocated frequency based on the communication policy information. As a result, the wireless terminal device can perform wireless communication at an appropriate frequency allocation amount that takes QoS into consideration by controlling wireless communication at the allocated frequency based on the communication policy information. Therefore, the wireless terminal device can improve the communication quality of the wireless connection of the medical equipment arranged in the space of the medical institution.

[0206] Furthermore, the communication control unit controls wireless communication with a transmission / reception strength based on the communication policy information. As a result, the wireless terminal device can perform wireless communication with an appropriate transmission / reception strength that takes QoS into consideration by controlling wireless communication with a transmission / reception strength based on the communication policy information. Therefore, the wireless terminal device can improve the communication quality of the wireless connection of the medical equipment arranged in the space of the medical institution.

[0207] The wireless terminal device also includes a determination unit (determination unit 253 in this embodiment). The determination unit determines the type of a message to be transmitted to another device, and determines the QoS of the message. The communication control unit controls wireless communication of the message based on the QoS determined by the determination unit. This allows the wireless terminal device to control wireless communication of the message according to the QoS of the message determined based on the type of the message, and improves the communication quality of the wireless connection of medical devices arranged within the space of the medical institution.

[0208] The determining unit determines the QoS of the message based on the header information of the message. This allows the wireless terminal device to control wireless communication of the message according to the QoS of the message determined based on the header information of the message, thereby improving the communication quality of the wireless connection of the medical devices arranged in the space of the medical institution.

[0209] The determining unit determines the QoS of the message based on the metadata of the message, so that the wireless terminal device can control the wireless communication of the message according to the QoS of the message determined based on the metadata of the message, thereby improving the communication quality of the wireless connection of the medical devices arranged in the space of the medical institution.

[0210] Moreover, the transmission information is information indicating a type of traffic. Thus, the wireless terminal device can perform wireless communication according to the QoS corresponding to the type of traffic by controlling wireless communication based on the communication policy information according to the QoS based on the type of traffic. Therefore, the wireless terminal device can improve the communication quality of the wireless connection of the medical equipment arranged in the space of the medical institution.

[0211] Moreover, the transmission information is information indicating the purpose of the traffic. As a result, the wireless terminal device can perform wireless communication according to the QoS corresponding to the purpose of the traffic by controlling wireless communication based on the communication policy information according to the QoS based on the purpose of the traffic. Therefore, the wireless terminal device can improve the communication quality of the wireless connection of the medical equipment arranged in the space of the medical institution.

[0212] The communication control unit controls wireless communication with the medical device in response to control by the base station, so that the wireless terminal device can improve the communication quality of the wireless connection of the medical device arranged in the space of the medical institution by controlling wireless communication with the medical device in response to control by the base station.

[0213] Moreover, the wireless terminal device is an IP converter. Thus, the IP converter, which is an example of a wireless terminal device, can perform wireless communication according to the QoS corresponding to the medical device by controlling wireless communication based on communication policy information according to the type of medical device and the type of transmission content transmitted by the medical device. Therefore, the IP converter can improve the communication quality of the wireless connection of the medical device arranged in the space of the medical institution.

[0214] Moreover, the wireless terminal device is a medical device. Thus, the IP converter, which is an example of the wireless terminal device, can perform wireless communication according to the QoS corresponding to the medical device by controlling wireless communication based on communication policy information according to the type of the medical device and the type of transmission content transmitted by the medical device. Therefore, the medical device can improve the communication quality of the wireless connection of the medical device arranged in the space of the medical institution.

[0215] The wireless terminal device also includes an interference detection unit. The interference detection unit detects interference related to communication. The communication control unit controls wireless communication based on the interference detected by the interference detection unit. This allows the wireless terminal device to control wireless communication based on the detected interference, and improves communication quality of wireless connections of medical devices arranged within the space of the medical institution.

[0216] The wireless terminal device also includes an antenna (antenna unit 210 in this embodiment). The antenna is used for wireless communication. The communication control unit controls the wireless communication according to the position of the antenna. This allows the wireless terminal device to control the wireless communication taking into account the position of the antenna, thereby improving the communication quality of the wireless connection of medical equipment arranged within the space of the medical institution.

[0217] As described above, the base station according to the present disclosure (in the embodiments, base stations 100, 100A, 100B, and 100D) is a wireless terminal device that performs wireless communication with medical devices arranged within the space of a medical institution, and includes an acquisition unit (in the embodiment, acquisition unit 151) and a communication control unit (in the embodiment, communication control unit 152). The acquisition unit acquires device information indicating the type of medical device arranged within the space of the medical institution and communication policy information determined by QoS information based on transmission information indicating the type of transmission content transmitted by the medical device. The communication control unit controls wireless communication between the medical devices based on the communication policy information.

[0218] As a result, the base station according to the present disclosure can control wireless communication between medical devices based on communication policy information corresponding to QoS based on the type of medical device and the type of transmission content transmitted by the medical device, thereby controlling wireless communication between medical devices according to QoS. Therefore, the base station can improve the communication quality of wireless connections of medical devices arranged in the space of a medical institution.

[0219] [8. Hardware configuration] The information devices such as the base stations 100, 100A, 100B, and 100D and the terminals 200 and 200B according to the above-described embodiments are realized by a computer 1000 having a configuration as shown in FIG. 20, for example. FIG. 20 is a hardware configuration diagram showing an example of the computer 1000 that realizes the functions of the information processing devices such as the base stations 100, 100A, 100B, and 100D and the terminals 200 and 200B. The terminal 200 according to the first embodiment will be described below as an example. The computer 1000 has a CPU 1100, a RAM 1200, a ROM (Read Only Memory) 1300, a HDD (Hard Disk Drive) 1400, a communication interface 1500, and an input / output interface 1600. Each part of the computer 1000 is connected by a bus 1050.

[0220] The CPU 1100 operates and controls each unit based on programs stored in the ROM 1300 or the HDD 1400. For example, the CPU 1100 loads the programs stored in the ROM 1300 or the HDD 1400 into the RAM 1200 and executes processes corresponding to the various programs.

[0221] The ROM 1300 stores boot programs such as a basic input output system (BIOS) executed by the CPU 1100 when the computer 1000 is started, and programs that depend on the hardware of the computer 1000.

[0222] HDD 1400 is a computer-readable recording medium that non-temporarily records programs executed by CPU 1100 and data used by such programs. Specifically, HDD 1400 is a recording medium that records an information processing program according to the present disclosure, which is an example of program data 1450.

[0223] The communication interface 1500 is an interface for connecting the computer 1000 to an external network 1550 (e.g., the Internet). For example, the CPU 1100 receives data from other devices and transmits data generated by the CPU 1100 to other devices via the communication interface 1500.

[0224] The input / output interface 1600 is an interface for connecting the input / output device 1650 and the computer 1000. For example, the CPU 1100 receives data from an input device such as a keyboard or a mouse via the input / output interface 1600. The CPU 1100 also transmits data to an output device such as a display, a speaker, or a printer via the input / output interface 1600. The input / output interface 1600 may also function as a media interface for reading a program or the like recorded on a predetermined recording medium. The medium may be, for example, an optical recording medium such as a DVD (Digital Versatile Disc) or a PD (Phase change rewritable Disk), a magneto-optical recording medium such as an MO (Magneto-Optical disk), a tape medium, a magnetic recording medium, or a semiconductor memory. For example, when the computer 1000 functions as the terminal 200 according to the embodiment, the CPU 1100 of the computer 1000 realizes the functions of the control unit 250 and the like by executing an information processing program loaded on the RAM 1200. In addition, the HDD 1400 stores an information processing program according to the present disclosure and data in the storage unit 240. Note that the CPU 1100 reads and executes the program data 1450 from the HDD 1400, but as another example, the CPU 1100 may obtain these programs from other devices via an external network 1550.

[0225] The present technology can also be configured as follows. (1) A wireless terminal device that wirelessly communicates with medical devices installed in a medical institution, an acquisition unit that acquires communication policy information determined based on device information indicating a type of medical device and Quality of Service (QoS) information based on transmission information indicating a type of transmission content transmitted by the medical device; a communication control unit that controls the wireless communication based on the communication policy information; A wireless terminal device comprising: (2) The wireless terminal device according to (1) that performs the wireless communication with medical equipment arranged in the operating room. (3) The communication control unit Controlling the wireless communication in a communication mode determined based on the communication policy information A wireless terminal device according to (1) or (2). (4) The communication control unit Controlling the wireless communication at a communication timing based on the communication policy information A wireless terminal device as described in (3). (5) The communication control unit The wireless communication is controlled based on the packet error rate based on the communication policy information. A wireless terminal device according to (3) or (4). (6) The communication control unit The higher the priority, the lower the packet error rate is controlled to control the wireless communication. (5) A wireless terminal device according to the present invention. (7) The communication control unit Controlling the wireless communication with a communication delay based on the communication policy information The wireless terminal device according to any one of (3) to (6). (8) The communication control unit The higher the priority, the less delay is reduced and the wireless communication is controlled. A wireless terminal device as described in (7). (9) The communication control unit The wireless communication is controlled using an assigned frequency based on the communication policy information. The wireless terminal device according to any one of (3) to (8). (10) The communication control unit The higher the priority, the more frequencies are allocated to control the wireless communication. A wireless terminal device as described in (9). (11) The communication control unit The wireless communication is controlled based on the strength of transmission and reception based on the communication policy information. The wireless terminal device according to any one of (3) to (10). (12) The communication control unit The higher the priority, the stronger the intensity of transmission and reception is set to control the wireless communication. A wireless terminal device according to (11). (13) The communication control unit The higher the priority, the higher the transmission power is increased to control the wireless communication. A wireless terminal device as described in (12). (14) The communication control unit Controlling the wireless communication at a coding rate based on the communication policy information The wireless terminal device according to any one of (3) to (13). (15) A determination unit that determines a type of a message to be transmitted to another device and determines a QoS of the message; Equipped with The communication control unit The wireless communication of the message is controlled based on the QoS determined by the determination unit. The wireless terminal device according to any one of (1) to (14). (16) The determination unit is Determine the QoS of the message by image recognition A wireless terminal device according to (15). (17) The determination unit is Determining the QoS of the message based on the header information of the message. A wireless terminal device according to (15) or (16). (18) The determination unit is Determining a QoS for the message based on metadata of the message. The wireless terminal device according to any one of (15) to (17). (19) The determination unit is determining QoS for the message based on DICOM information for the message; A wireless terminal device according to (18). (20) The determination unit is determining a QoS level for the message; The communication control unit Controlling the wireless communication of the message based on the QoS level determined by the determination unit. The wireless terminal device according to any one of (15) to (19). (twenty one) The transmission information is This is information that indicates the type of traffic. The wireless terminal device according to any one of (1) to (20). (twenty two) The transmission information is This is information that indicates the purpose of the traffic. The wireless terminal device according to any one of (1) to (21). (twenty three) The transmission information is This is information that shows traffic patterns. The wireless terminal device according to any one of (1) to (22). (twenty four) The transmission information is This is information that indicates the size of the traffic. The wireless terminal device according to any one of (1) to (23). (twenty five) The transmission information is This is information that indicates the amount of traffic buffered. The wireless terminal device according to any one of (1) to (24). (26) The transmission information is This is information indicating the delay requirement value of the traffic. The wireless terminal device according to any one of (1) to (25). (27) The transmission information is This is information that indicates the trust requirement value of the traffic. The wireless terminal device according to any one of (1) to (26). (28) The transmission information is This is information that indicates the cycle of traffic. The wireless terminal device according to any one of (1) to (27). (29) The communication control unit Controlling the wireless communication with the medical device in response to control by the base station The wireless terminal device according to any one of (1) to (28). (30) The communication control unit The wireless communication is controlled based on the communication policy information set by a base station. (29) A wireless terminal device according to (29). (31) The wireless terminal device according to any one of (1) to (30), which is an IP converter. (32) The wireless terminal device according to (31), which is an IP converter arranged within the space of the medical institution. (33) The wireless terminal device according to any one of (1) to (32) above, which is a medical device. (34) The wireless terminal device according to (33), which is a medical device placed within the space of the medical institution. (35) an interference detection unit that detects interference related to communication; Equipped with The communication control unit The wireless communication is controlled based on the interference detected by the interference detection unit. The wireless terminal device according to any one of (1) to (34). (36) an antenna for use in the wireless communication; Equipped with The communication control unit Controlling the wireless communication according to the position of the antenna The wireless terminal device according to any one of (1) to (35). (37) The communication control unit Controlling said wireless communication by beamforming A wireless terminal device according to (36). (38) A plurality of antennas used for the wireless communication; Equipped with The communication control unit Controlling the wireless communication according to the positions of the plurality of antennas The wireless terminal device according to any one of (1) to (37). (39) The communication control unit The wireless communication is controlled by switching an antenna to be used for communication among the plurality of antennas. A wireless terminal device according to (38). (40) A communication control method for wirelessly communicating with medical devices disposed within a space of a medical institution, Acquire communication policy information determined by QoS information based on device information indicating a type of the medical device and transmission information indicating a type of transmission content transmitted by the medical device; A communication control method for controlling the wireless communication based on the communication policy information. (41) A communication control program that wirelessly communicates with medical devices installed in the medical institution's space. Acquire communication policy information determined by QoS information based on device information indicating a type of the medical device and transmission information indicating a type of transmission content transmitted by the medical device; A communication control program that controls the wireless communication based on the communication policy information. (42) an acquisition unit that acquires communication policy information determined by QoS information based on device information indicating the type of medical device arranged in the space of the medical institution and transmission information indicating the type of transmission content transmitted by the medical device; a communication control unit that controls wireless communication between the medical devices based on the communication policy information; A base station comprising: [Explanation of symbols]

[0226] 1. Communication Control System 100 base stations 120 Communications Department 140 Storage section 141 Integrated QoS information storage unit 142 Communication parameter information storage unit 150 Control section 151 Acquisition Department 152 Communication control section 153 Decision Section 200 Terminal (wireless terminal device) 220 Communications Department 240 Storage section 241 QoS information storage unit 242 Setting information storage unit 250 Control section 251 Acquisition Department 252 Communication Control Unit

Claims

1. A wireless terminal device is a medical device that is placed in a space of a medical institution and performs wireless communication, a communication unit that transmits transmission information indicating a type of transmission content to be transmitted by the wireless terminal device to a base station; an acquisition unit that acquires communication policy information, which is information indicating wireless communication parameters determined by the base station based on Quality of Service (QoS) information based on the transmission information, by receiving the communication policy information from the base station via the communication unit; a communication control unit that, when transmitting a message to another device, transmits the message to the other device using wireless communication parameters indicated by the communication policy information; A wireless terminal device comprising:

2. The wireless terminal device according to claim 1 , wherein the wireless communication is performed with the other device, which is a medical device arranged in an operating room.

3. The transmission information is This is information indicating the type of traffic that is the transmission content.

2. The wireless terminal device according to claim 1.

4. The transmission information is This is information indicating the purpose of the traffic that is the transmission content.

2. The wireless terminal device according to claim 1.

5. 2. The wireless terminal of claim 1, which is an IP converter.

6. 10. The wireless terminal device of claim 1, which is a medical device.

7. A communication control method performed by a medical device that is placed in a space of a medical institution and performs wireless communication, Transmitting transmission information indicating a type of transmission content to be transmitted by the medical device to a base station; acquiring, by receiving from the base station, communication policy information which is information indicating wireless communication parameters determined by the base station based on Quality of Service (QoS) information based on the transmission information; A communication control method for transmitting a message to another device using wireless communication parameters indicated by the communication policy information.

8. A communication control program executed by medical devices that are placed in the space of a medical institution and that communicate wirelessly; Transmitting transmission information indicating a type of transmission content to be transmitted by the medical device to a base station; acquiring, by receiving from the base station, communication policy information which is information indicating wireless communication parameters determined by the base station based on Quality of Service (QoS) information based on the transmission information; a communication control program for transmitting a message to another device using wireless communication parameters indicated by the communication policy information when the message is to be transmitted to the other device;

9. A base station for providing wireless communication services to a wireless terminal device which is a medical device that performs wireless communication, a communication unit that receives, from the wireless terminal device, transmission information indicating a type of transmission content to be transmitted by the wireless terminal device; an acquisition unit that acquires communication policy information, the communication policy information being information indicating wireless communication parameters determined based on QoS information based on the transmission information received from the wireless terminal device, from a storage unit that stores the communication policy information; a communication control unit that, when the wireless terminal device transmits a message to another device via the base station, transmits the message to the other device using the wireless communication parameters indicated by the communication policy information; A base station comprising:

10. A determination unit that determines the wireless communication parameters based on the QoS information based on the transmission information received from the wireless terminal device. Equipped The base station according to claim 9.

11. The determination unit is Determining the QoS of the message based on the header information of the message. The base station according to claim 10.

12. A plurality of antennas used for the wireless communication; Equipped with The communication control unit Among the plurality of antennas, an antenna having the strongest reception strength is selected as an antenna to be used for communication, and the wireless communication is performed using the selected antenna. The base station according to claim 9.

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