KR20240079131A - Apparatus and method for sending disaster message based on small cell base station and sensor - Google Patents

Abstract

The present invention relates to an apparatus and method for transmitting a disaster message using a small cell base station-based sensor, and an apparatus and method for providing a disaster message to user terminals located within a small cell area using a sensor device in an environment where small cells are installed. It's about method.
The disaster message transmission device using a small cell base station-based sensor according to the present invention detects events by receiving sensing information from the sensor, is installed in the same place as the processing device and sensor that calls the Open API, and transmits disaster messages based on the sensing information. It includes a small cell base station that generates a message and transmits a disaster message to a connected user terminal.

Description

Disaster message transmission device and method using a small cell base station-based sensor {APPARATUS AND METHOD FOR SENDING DISASTER MESSAGE BASED ON SMALL CELL BASE STATION AND SENSOR}

The present invention relates to an apparatus and method for transmitting a disaster message using a small cell base station-based sensor, and an apparatus and method for providing a disaster message to user terminals located within a small cell area using a sensor device in an environment where small cells are installed. It's about method.

Cell broadcasting service according to the prior art is provided in a macro base station-based broadband range in conjunction with the Cell Broadcast Center along with the 5G core network, requiring urgent and rapid response to users close to the disaster area to local disasters. There is a problem that it is difficult to convey disaster information.

The present invention was proposed to solve the above-mentioned problems, and integrates the characteristics of a small cell base station located near the user and the sensing information of various sensors (e.g., fire sensors, etc.) installed within the area of the small cell base station to prevent disasters that occur in an emergency. The purpose is to provide a device and method that can immediately recognize the situation and immediately deliver disaster information to all users within the radio frequency range of the small cell base station.

The disaster message transmission device using a small cell base station-based sensor according to the present invention detects events by receiving sensing information from the sensor, is installed in the same place as the processing device and sensor that calls the Open API, and transmits disaster messages based on the sensing information. It includes a small cell base station that generates a message and transmits a disaster message to a connected user terminal.

The processing device includes a detection unit that detects an event (e.g., detects a fire using information received from a fire sensor) using a signal transmitted from a sensor, and an Open API call unit for transmitting a disaster message.

Depending on event detection, the processing device calls the open interface of the small cell base station where the corresponding sensor is located.

The small cell base station includes an Open API server, Open API agent, and base station protocol stack.

The called disaster message transmission API is delivered to the Open API server within the small cell base station, and the message content is delivered to the protocol stack through the Open API agent within the small cell base station software.

The small cell base station transmits a disaster broadcast message using the system information block generated within the base station protocol stack.

The small cell base station transmits a disaster message to all user terminals connected to the small cell base station.

A disaster message transmission method using a small cell base station-based sensor according to the present invention includes the steps of (a) receiving sensing information from the sensor, (b) detecting an event based on the sensing information, and calling Open API, and ( c) Generating a system information block and transmitting a disaster message.

Step (a) receives sensing information based on detection of physical and chemical changes from the sensor.

Step (b) calls the open interface of the small cell base station where the sensor is located.

In step (c), the called disaster message transmission API is delivered to the Open API server in the small cell base station, and the message content is delivered to the protocol stack through the Open API agent in the small cell base station software.

Step (c) transmits a disaster message to all user terminals connected to the small cell base station.

According to the present invention, when an accident such as a fire or other emergency disaster occurs, it is possible to effectively and quickly transmit a disaster message for emergency notification to all users within the area of a small cell base station installed in close proximity. there is.

The method of transmitting an emergency message within a base station combined with a sensor according to the present invention can be used for a variety of purposes, such as earthquake detection and damage detection, depending on the function of the sensor, as well as fire.

According to the present invention, it can be used not only in disaster situations but also in various application services such as events at concert halls, department stores, and stadiums by taking advantage of the characteristics of the open interface implemented in the form of URL within the base station.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below.

Figure 1 shows a disaster message transmission structure of a sensor, a small cell base station, and a user equipment (UE) according to an embodiment of the present invention.
Figure 2 shows small cell base stations and sensors installed in a limited area according to an embodiment of the present invention.
Figure 3 shows a disaster message transmission structure according to an embodiment of the present invention.
Figure 4 shows a disaster message processing process according to an embodiment of the present invention.
Figure 5 is a block diagram showing a computer system for implementing a method according to an embodiment of the present invention.

The above-mentioned object and other objects, advantages and features of the present invention, and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below and may be implemented in various different forms, and the following embodiments will only explain the purpose of the invention to those skilled in the art to which the present invention pertains. It is only provided to easily inform the configuration and effect, and the scope of rights of the present invention is defined by the description of the claims.

Meanwhile, the terms used in this specification are for describing embodiments and are not intended to limit the present invention. As used herein, singular forms also include plural forms, unless specifically stated otherwise in the context. As used in the specification, “comprises” and/or “comprising” means that a mentioned element, step, operation and/or element is dependent on the presence of one or more other elements, steps, operations and/or elements. Or it is not excluded that it is added.

Small cell base stations guarantee large-capacity data transmission, are installed in shaded areas to provide expanded capacity, and support multiple connectivity, enabling the creation of various convergence services in urban areas, hotspots, and dense areas (schools, airports, stadiums, hospitals, etc.) Let's do it.

In 5G, if the characteristics of a small cell base station that can identify users within the radio frequency range of the small cell base station located close to the user are used, a convergence service based on this can be derived, and this can be used as location-based information. It can be used in various fields.

In particular, customized services can be provided to small groups that are spatially separated, such as schools, department stores, and offices, and in the case of disasters, services that enable local emergency response can be provided.

Cell broadcasting service is a technology that transmits the same information simultaneously to all terminals in the same cell through a mobile communication base station, and transmits data in one direction.

Through cell broadcasting services, various disaster-related information and news can be provided, such as fires, natural disasters, weather warnings, and power outages.

In the cell broadcasting service, the service was provided in a macro base station-based broadband range in conjunction with the Cell Broadcast Center along with the 5G core network. Therefore, disaster information that requires an urgent and rapid response to users near the disaster area for local disasters is provided. It has a problem of being difficult to convey.

Figure 1 shows a disaster message transmission structure of a sensor, a small cell base station, and a user equipment (UE) according to an embodiment of the present invention.

Referring to FIG. 1, the fire sensor 301 is installed close to the small cell base station 308, and the user terminal (UE) 103 connected to the small cell base station 308 is located in the same area.

A plurality of user terminals 103 use voice and data services while connected to the small cell base station 308.

When the fire sensor 301 detects a fire, it is connected to the small cell base station 308 through a wired or wireless communication network such as the Internet network to transmit the sensed information.

The processing device that transmits and processes the sensed information is combined with the fire sensor 301 or exists separately.

Figure 2 shows small cell base stations and sensors installed in a limited area according to an embodiment of the present invention.

The small cell base station 308 is a small base station and has a limited frequency range compared to the macro base station. It is installed in limited internal/external space and is used to eliminate shadow areas and increase capacity.

According to an embodiment of the present invention, the fire sensor 301 is installed in the same space in a limited area (e.g., office, factory, etc.) where the small cell base station 308 is installed.

Through this, when a local fire or disaster situation occurs, services are provided to users in the relevant area.

Figure 3 shows a disaster message transmission structure according to an embodiment of the present invention.

The fire detection application service 302 includes a fire detection sensing unit 303 that detects a fire signal transmitted from the fire sensor 301, and an Open API call unit 304 for transmitting a disaster message.

The small cell base station 308 includes an Open API server 305, an Open API agent 306, and a base station protocol stack 307.

The fire sensor 301 can be used in conjunction with sensors with various functions, such as an earthquake detection sensor and a damage detection sensor, as well as a fire sensor.

According to one embodiment of the present invention, the fire sensor 301 constantly monitors fire detection elements such as heat, smoke, and flame, and has a detection function to detect physical and chemical changes that occur during a fire.

If the amount of physical or chemical change exceeds a certain amount and continues for a certain period of time, a fire signal is generated, and the fire signal is transmitted to the fire detection sensing unit 303 in the fire detection application service 302.

A processing device that transmits and processes the sensed information is combined with the fire sensor 301 or exists separately.

The small cell base station 308 operates based on the base station protocol stack 307, and the function of transmitting an emergency broadcast message within the base station is achieved by creating a system information block within the base station protocol stack 307.

According to an embodiment of the present invention, in order to be easily used in disaster situations such as fire detection or specific event situations, it is provided in the form of an http-based open interface (Open API), and for this purpose, the Open API server 305 is a small It operates within the cell base station 308. The Open API agent (306) is used to interface with the base station protocol stack (307).

Figure 4 shows a disaster message processing process according to an embodiment of the present invention, and shows a detailed procedure for transmitting a disaster message when a fire sensor detects a fire.

When the fire sensor 301 detects a fire, the fire sensor 301 transmits a fire detection report to the processing device in which the fire detection application service 302 is running (S401).

The fire detection application service 302 receives a fire detection report, calls the open interface (Open API) of the small cell base station where the fire sensor 301 is located, and delivers a fire alarm message including information about emergency evacuation, etc. Do it (S402).

The called disaster message transmission API is delivered to the Open API server (305) in the small cell base station, and the message content is delivered to the protocol stack through the Open API Agent in the small cell base station software (309) (S403).

A system information block (SIB) is created so that the message is delivered in the form of an emergency disaster message (S404).

As soon as the system information block is created, it is transmitted to all user terminals 103 connected to the small cell base station (S405), and the user terminals 103 receive a disaster message (S406).

Figure 5 is a block diagram showing a computer system for implementing a method according to an embodiment of the present invention.

Referring to FIG. 5, the computer system 1000 includes a processor 1010, a memory 1030, an input interface device 1050, an output interface device 1060, and a storage device 1040 that communicate through a bus 1070. ) may include at least one of Computer system 1000 may also include a communication device 1020 coupled to a network. The processor 1010 may be a central processing unit (CPU) or a semiconductor device that executes instructions stored in the memory 1030 or the storage device 1040. Memory 1030 and storage device 1040 may include various types of volatile or non-volatile storage media. For example, memory may include read only memory (ROM) and random access memory (RAM). In embodiments of the present disclosure, the memory may be located inside or outside the processor, and the memory may be connected to the processor through various known means. Memory is various forms of volatile or non-volatile storage media, for example, memory may include read-only memory (ROM) or random access memory (RAM).

Accordingly, embodiments of the present invention may be implemented as a computer-implemented method or as a non-transitory computer-readable medium storing computer-executable instructions. In one embodiment, when executed by a processor, computer readable instructions may perform a method according to at least one aspect of the present disclosure.

The communication device 1020 can transmit or receive wired signals or wireless signals.

Additionally, the method according to an embodiment of the present invention may be implemented in the form of program instructions that can be executed through various computer means and recorded on a computer-readable medium.

The computer-readable medium may include program instructions, data files, data structures, etc., singly or in combination. Program instructions recorded on the computer-readable medium may be specially designed and configured for embodiments of the present invention, or may be known and usable by those skilled in the art of computer software. A computer-readable recording medium may include a hardware device configured to store and perform program instructions. For example, computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tapes, optical media such as CD-ROMs and DVDs, and floptical disks. It may be the same magneto-optical media, ROM, RAM, flash memory, etc. Program instructions may include not only machine language code such as that created by a compiler, but also high-level language code that can be executed by a computer through an interpreter, etc.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements made by those skilled in the art using the basic concept of the present invention defined in the following claims are also possible. It falls within the scope of rights.

Claims (1)

A processing device that receives sensing information from a sensor, detects an event, and calls an Open API; and
A small cell base station installed in the same location as the sensor, generates a disaster message based on the sensing information, and transmits the disaster message to the connected user terminal.
Disaster message transmission device using a small cell base station-based sensor including.

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