KR101773248B1 - Communication Terminal Apparatus, Broadcast Relay Server and Broadcasting Relay Method - Google Patents

Communication Terminal Apparatus, Broadcast Relay Server and Broadcasting Relay Method Download PDF

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Publication number
KR101773248B1
KR101773248B1 KR1020150097247A KR20150097247A KR101773248B1 KR 101773248 B1 KR101773248 B1 KR 101773248B1 KR 1020150097247 A KR1020150097247 A KR 1020150097247A KR 20150097247 A KR20150097247 A KR 20150097247A KR 101773248 B1 KR101773248 B1 KR 101773248B1
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South Korea
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broadcast
mobile communication
communication terminal
list
receiver
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KR1020150097247A
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Korean (ko)
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KR20160126829A (en
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정형록
이창우
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주식회사 엘지유플러스
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices

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

Abstract

A communication apparatus, a broadcast relay server, and a broadcast relay method thereof are disclosed. A communication device according to the present invention includes: a list receiving unit for receiving a list of at least one broadcast receiver corresponding to a mobile communication terminal; A terminal information receiver for receiving terminal information of another mobile communication terminal existing within a range set based on a location of the mobile communication terminal among other mobile communication terminals broadcasting a broadcast through the broadcast relay server; And an additional request unit for requesting the broadcast relay server to add at least one broadcast receiver of the list of broadcast receivers received by the list receiver to the broadcast receiver relaying the broadcast signal by the other mobile communication terminal .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication terminal apparatus, a broadcast relay server,

The present invention relates to a communication apparatus, a broadcast relay server, and a broadcast relay method thereof, and more particularly, to a broadcast relay server for relaying a video of a disaster, a disaster, A broadcast relay server and a broadcast relay method capable of performing a broadcast relay in an optimal environment when a plurality of users request a broadcast relay.

With the development of digital communication technology, the mobile communication terminal can perform functions such as moving picture shooting, DMB (Digital Multimedia Broadcasting) reception, execution of various applications, and the like, It was possible.

On the other hand, recent disasters and disasters such as earthquakes, tsunamis, fires, typhoons, floods and landslides have frequently occurred due to global warming phenomenon and environmental pollution, Talent is also a frequent occurrence.

It is important that such disasters, disasters, and talent are detected in advance by detecting the signs of occurrence, but it is also important to minimize the damage through prompt follow-up after it has already occurred.

However, since there is a limit to monitoring disasters, disasters, and human resources in the national or local governments, research and development is underway to monitor disasters, disasters, and personnel through the general public and to take measures accordingly.

However, in the case of the general public, even if disasters, disasters, and talents are encountered, it may be impossible to know which relevant department to contact, which may lead to a delay to follow-up to the wrong department.

Further, when a plurality of users request broadcast relay for the same disaster, disaster, talent, etc., there is a problem that confusion may occur due to overlapping communication, thereby delaying rapid follow-up.

Published Patent Publication No. 10-2010-0112304 (published on October 19, 2010)

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a system and method for relaying images of a disaster, a disaster, And to provide a communication apparatus, a broadcast relay server and a broadcast relay method capable of performing broadcast relay in an optimal environment when a plurality of users request a broadcast relay.

According to an aspect of the present invention, there is provided a communication device including: a list receiving unit for receiving a list of at least one broadcast receiver corresponding to a mobile communication terminal; A terminal information receiver for receiving terminal information of another mobile communication terminal existing within a range set based on a location of the mobile communication terminal among other mobile communication terminals broadcasting a broadcast through the broadcast relay server; And an additional request unit for requesting the broadcast relay server to add at least one broadcast receiver of the list of broadcast receivers received by the list receiver to the broadcast receiver relaying the broadcast signal by the other mobile communication terminal .

Here, the list receiving unit receives a list of at least one broadcast receiver corresponding to the mobile communication terminal from the broadcast relay server.

The communication apparatus may further include a call connection unit for connecting a voice call with the mobile communication terminal.

According to an aspect of the present invention, there is provided a broadcast relay server including: a selection signal receiver for receiving a selection signal for at least one broadcast receiver corresponding to a mobile communication terminal from a communication device; And a broadcast signal delivery unit for delivering a broadcast signal received in real time from another mobile communication terminal to a broadcast reception terminal corresponding to the selection signal received by the selection signal reception unit.

The broadcast relay server may further include a receiver list storage unit for storing a list of a plurality of broadcast receivers corresponding to the mobile communication terminal. In this case, the selection signal receiving unit receives a selection signal corresponding to at least one broadcast receiver from the list of broadcast receivers stored in the receiver list storage unit from the communication device.

Here, the selection signal receiver receives a selection signal for at least one call recipient from the communication device.

The receiver list storage unit stores a list of a plurality of call recipients, and the selection signal receiver receives a selection signal corresponding to at least one call recipient from the list of call recipients stored in the recipient list storage unit from the communication device.

The broadcast relay server may further include a receiver information transmitter for transmitting the information about the broadcast receiver selected by the selection signal receiver to the mobile communication terminal and the other mobile communication terminals.

Here, the selection signal receiver receives a selection signal for at least one call recipient from the communication device, and the receiver information transmitter transmits information about the call receiver selected by the selection signal receiver to the mobile communication terminal and other mobile communication terminals.

According to another aspect of the present invention, there is provided a broadcast relaying method performed by a communication device, the method comprising: receiving a list of at least one broadcast receiver corresponding to a mobile communication terminal; ; Receiving terminal information of another mobile communication terminal existing within a range set based on a location of the mobile communication terminal among other mobile communication terminals broadcasting a broadcast through the broadcast relay server; And requesting the broadcast relay server to add at least one broadcast receiver of the list of broadcast receivers received by the list reception step to the broadcast receiver relaying the broadcast signal by the other mobile communication terminal do.

Here, the list receiving step receives a list of at least one broadcast receiver corresponding to the mobile communication terminal from the broadcast relay server.

The broadcast relay method may further include connecting a voice call with the mobile communication terminal.

According to another aspect of the present invention, there is provided a broadcast relaying method performed by a broadcast relay server, the method comprising: receiving, from a communication device, at least one broadcast receiver corresponding to a mobile communication terminal Receiving a signal; And transmitting a broadcast signal received in real time from another mobile communication terminal to a broadcast receiving terminal corresponding to the selection signal received in the selection signal receiving step.

The broadcasting relay method may further include storing a list of a plurality of broadcast receivers corresponding to the mobile communication terminal. In this case, the selection signal reception step receives a selection signal corresponding to at least one broadcast receiver of the list of broadcast receivers stored by the list storage step from the communication device.

Here, the selection signal reception step receives a selection signal for at least one call recipient from the communication device.

The storing step may also store a list of the plurality of call recipients and the select signal receiving step may receive a select signal corresponding to at least one call recipient from the list of call recipients stored by the list storing step from the communication device .

The broadcasting relay method may further include transmitting information on the broadcast receiver selected by the selection signal receiving step to the mobile communication terminal and the other mobile communication terminals.

Here, the selecting signal receiving step receives a selection signal for at least one call recipient from the communication device, and the information transmission step for the broadcast recipient transmits the information about the call recipient selected by the selection signal receiving step to the mobile communication terminal and other mobile terminals To the communication terminal.

According to the present invention, it is possible to overcome limitations of limited control based on voice or photographs on the control of a disaster scene, and to provide a mobile communication terminal of a user located in the vicinity of the site, Real-time image relaying is enabled by using the real-time image relay, and the accurate field grasp and the management can be performed quickly.

In addition, according to the present invention, a call recipient can designate a broadcast recipient to relay a broadcast signal at a disaster site, so that images of a disaster, a disaster, a talent, etc., photographed by a user of the mobile communication terminal, And shall ensure that prompt and appropriate follow-up measures are taken for disasters, disasters and human resources.

In addition, according to the present invention, it is possible to construct a dedicated high-priced infrastructure and broadcasting equipment for broadcasting relays at a disaster site, and transmit the broadcasting signal to the user's mobile communication terminal Side IPTV set-top box, it is possible to simultaneously provide a high-quality image at a disaster site and a high-quality voice call for real-time communication at a minimum cost without building dedicated equipment.

In addition, when there is a request for broadcast relay from a plurality of users for the same disaster, disaster, talent, etc., an optimum environment can be set and broadcast relay can be performed. Thus, congestion of traffic due to broadcast relay of a plurality of users, It is possible to prevent deterioration of the transmission efficiency.

1 is a diagram schematically illustrating a broadcast relay system according to an embodiment of the present invention.
2 is a diagram schematically showing a configuration of a communication apparatus according to an embodiment of the present invention.
3 is a diagram schematically illustrating a configuration of a mobile communication terminal according to an embodiment of the present invention.
FIG. 4 is a diagram showing an example of a video capture of a disaster, a disaster, or a talent by a user and selection of a broadcast receiver.
5 is a diagram schematically showing a configuration of a broadcast relay server according to an embodiment of the present invention.
6 is a flowchart illustrating a broadcast relaying method performed by a communication device according to an embodiment of the present invention.
7 is a flowchart illustrating a broadcast signal transmission method performed by a mobile communication terminal according to an embodiment of the present invention.
8 is a flowchart illustrating a broadcast relaying method performed by a broadcast relay server according to an embodiment of the present invention.

Hereinafter, a communication apparatus, a broadcast relay server, and a broadcast relay method according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram schematically illustrating a broadcast relay system according to an embodiment of the present invention.

Referring to FIG. 1, a broadcast relay system according to an embodiment of the present invention includes a communication device 20, a broadcast relay server 200, and a broadcast receiving terminal 300. At this time, the communication device 20, the broadcast relay server 200, and the broadcast receiving terminal 300 can be connected to the mobile communication terminal 100 through the network 10. Here, the broadcast receiving terminal 300 is a terminal arranged in a company / organization / management office capable of performing immediate follow-up actions according to kinds of disasters, disasters, human resources, etc., such as fire stations, hospitals, An IPTV set-top box, a smart TV, etc., capable of IP multicast broadcasting or IP unicast reception using the infrastructure. In addition, the network 10 may include not only the Internet but also a mobile communication network such as a Code Division Multiple Access (CDMA), a Wideband CDMA (WCDMA), and a Long Term Evolution (LTE), and a wireless network such as a WiBro, a Wi- Network, and IPTV broadcasting network.

The communication device 20 can establish a call connection with the mobile communication terminal 100 and can receive a list of broadcast recipients corresponding to the mobile communication terminal 100 from the broadcast relay server 200. [ In this case, the communication device 20 can select at least one broadcast receiver based on the list of the broadcast receivers received from the broadcast relay server 200, and the broadcast signal received from the mobile communication terminal 100 is broadcast And requests the broadcast relay server 200 to be transmitted to the broadcast receiving terminal 300 corresponding to the receiver.

In addition, the communication device 20 can receive a list of the call recipients corresponding to the mobile communication terminal 100 from the broadcast relay server 200. In this case, the communication device 20 transmits a VoIP call between the mobile communication terminal 100 and the communication device 20, to which the call is already connected, based on the list of the call recipients received from the broadcast relay server 200, The terminal may request the broadcast relay server 200 to call the terminal or to add a selected call recipient to the already-connected call so that a conference call is made.

The communication device 20 may be configured to transmit the broadcast signal to the mobile communication terminal 100 through the broadcast relay server 200 based on the position of the mobile communication terminal 100 requesting relay of the broadcast signal, From the broadcasting relay server 200. The terminal information of the mobile communication terminal can be received from the broadcasting relay server 200. [ In this case, the communication apparatus 20 may transmit to the broadcast receiver, which is located within a predetermined range based on the position of the mobile communication terminal 100, a broadcast signal relayed by the other mobile communication terminal, And may request the broadcast relay server 200 to transmit a broadcast signal by the other mobile communication terminal.

The broadcast relay server 200 may be connected to the communication device 20 capable of establishing a call connection with the mobile communication terminal 100 and may be connected to the mobile communication terminal 100 and the broadcasting reception terminal 300) can be relayed. At this time, the broadcast relay server 200 may include a plurality of physical devices for implementing the configuration of the present invention, such as a Web server for screen display corresponding to the communication device 20. [

When the call is connected between the mobile communication terminal 100 and the communication device 20, the broadcast relay server 200 may include a list of broadcast receivers corresponding to the mobile communication terminal 100, To the communication device 20. Here, the broadcast receiver is a company / organization / management office having a broadcast receiving terminal 300 capable of immediately following up the situation occurring at the place where the mobile communication terminal 100 is located. For example, when the user of the mobile communication terminal 100 is a subscriber of a specific company or organization and the user connects the call to the communication device 20 in the situation room of the company in order to relay the situation occurring on the spot, (200) may provide one or more broadcast recipient lists corresponding to the enterprise to the communication device (20). When the relay request signal of the broadcast signal is received from the mobile communication terminal 100, the broadcast relay server 200 transmits the relay request signal to the broadcast reception terminal 300 corresponding to one or more broadcast receivers selected by the administrator of the communication apparatus 20 IP Multicast broadcast or multiple unicast relay. The connection call between the mobile communication terminal 100 and the communication device 20 may be a voice call or a VoIP call using an LTE network. In this case, the connection between the mobile communication terminal 100 and the communication device 20 and the broadcast relay between the mobile communication terminal 100 and the broadcasting reception terminal 300 are performed in a separate process. That is, even if the broadcast relay server 200 performs the IP multicast broadcast or the multiple unicast relay between the mobile communication terminal 100 and the broadcast receiving terminal 300, the mobile communication terminal 100 and the communication device 20 The VoIP call connected to the base station can still be maintained.

When the call is connected to the communication device 20 from the mobile communication terminal 100, the broadcast relay server 200 may correspond to the mobile communication terminal 100 with the communication device 20 (E.g., a list of conference call recipients). In this case, the broadcast relay server 200 moves the VoIP call between the communication apparatus 20 and the mobile communication terminal 100, which is already connected to the terminal corresponding to one or more call recipients selected by the administrator of the communication apparatus 20 (Conference call) to the terminal of the communication terminal 100 and the terminal of the designated (selected) call recipient.

The broadcast relay server 200 also receives the real time broadcast signal from the mobile communication terminal 100 from the communication device 20 while relaying the real time broadcast signal to the broadcast receiving terminal 300 based on the position of the mobile communication terminal 100 When a request for addition of a broadcast receiver corresponding to another mobile communication terminal existing within a set range is received, a broadcast reception terminal 300 corresponding to a broadcasting receiver, A terminal can be added to transmit a broadcast signal.

2 is a diagram schematically showing a configuration of a communication apparatus according to an embodiment of the present invention. The communication device according to the embodiment of the present invention can be used as the communication device 20 shown in Fig.

2, the communication device 20 may include a list receiving unit 22, a terminal information receiving unit 24, a request adding unit 26, and a call connection unit 28.

The list receiving unit 22 receives a list of at least one broadcast receiver corresponding to the mobile communication terminal 100. At this time, the list receiving unit 22 receives a list of at least one broadcast receiver corresponding to the mobile communication terminal 100 from the broadcast relay server 200. In this case, the administrator of the communication device 20 can select at least one broadcast receiver based on the list of broadcast receivers received from the broadcast relay server 200. [

The terminal information receiving unit 24 receives the terminal information of other mobile communication terminals existing within the set range based on the location of the mobile communication terminal 100 among the other mobile communication terminals broadcasting relay through the broadcast relay server 200 . That is, when another mobile communication terminal existing within a predetermined range based on the location of the mobile communication terminal 100 is transmitting a broadcasting signal through the broadcasting relay server 200, And receives terminal information about the other mobile communication terminal from the mobile communication terminal 200. In this case, the terminal information receiving unit 24 can report that the broadcasting signal is already being relayed by the other mobile communication terminal to the mobile communication terminal 100, To the mobile communication terminal 100. In this case,

The addition request unit 26 requests the broadcast relay server 200 to add at least one broadcast receiver of the list of broadcast receivers received by the list receiver 22 to the broadcast receiver that the other mobile communication terminal relays the broadcast signal, Lt; / RTI > That is, when another mobile communication terminal existing within a set range based on the location of the mobile communication terminal 100 is transmitting a broadcasting signal through the broadcasting relay server 200, The broadcast relay server 200 requests the broadcast receiver corresponding to the communication terminal to add at least one broadcast receiver selected from the list of broadcast receivers received by the list receiver 22.

The call connection unit 28 connects the mobile communication terminal 100 with a voice call. At this time, the call connection unit 28 can connect a call with the corresponding mobile communication terminal 100 when there is a call connection request from the mobile communication terminal 100 to relay the broadcast signal. The call connection unit 28 also connects the call already connected to the mobile communication terminal 100 to another call recipient on the basis of the list of call recipients corresponding to the mobile communication terminal 100 received from the broadcast relay server 200 You can switch or connect an existing call to an additional call to another call recipient.

3 is a diagram schematically illustrating a configuration of a mobile communication terminal according to an embodiment of the present invention. The mobile communication terminal according to the embodiment of the present invention can be used as the mobile communication terminal 100 of the broadcast relay system shown in FIG.

3, the mobile communication terminal 100 includes a call connection processing unit 102, a menu receiving unit 104, a selection signal receiving unit 106, an image capturing unit 108, a broadcast signal transmitting unit 110, A broadcast signal setting unit 114, and a display unit 116. [0033]

The call connection processing unit 102 connects a voice call or a VoIP call to the communication device 20. [ The user of the mobile communication terminal 100 operates the application of the mobile communication terminal 100 when a disaster, a disaster, a talent or the like occurs in the vicinity, and transmits a voice call or VoIP The call can be connected.

The menu receiver 104 may receive a list of recipients for the voice call or VoIP call from the broadcast relay server 200 and may display the received list of recipients through the display unit 116. [

The selection signal receiving unit 106 receives a selection signal for at least one broadcast receiver from the broadcast relay server 200. Here, the broadcast receiver is a company / organization / management office having a broadcast receiving terminal 300 that can take immediate follow-up action for a situation occurring at a place where the mobile communication terminal 100 is located. In addition, the selection signal receiver 106 may further receive a selection signal for at least one call recipient from the broadcast relay server 200. Here, the call recipient refers to another communication device for switching the call to the communication device 20 already connected to the mobile communication terminal 100, or another communication device for further connecting the call. At this time, the selection signal for the broadcast receiver received from the broadcast relay server 200 by the selection signal receiver 106 or the selection signal for the call receiver is a signal corresponding to the broadcast receiver selected by the administrator of the communication device 20 to which the call is connected Or a signal corresponding to the call recipient. At this time, the selection signal receiver 106 displays at least a part of the broadcast receiver or the call receiver information corresponding to the selection signal for the broadcast receiver or the selection signal for the call receiver received from the broadcast relay server 200, As shown in Fig. In this case, the selection signal receiving unit 106 displays the broadcast receiver and / or the call receiver on the display unit 116, and at the same time, the user of the mobile communication terminal 100 broadcasts the broadcast (broadcast signal) (Icon) that allows the user to select the start of the menu. The call connection processing unit 102 transmits a broadcast relay request signal to the broadcast relay server 200 when a menu for starting the broadcast relay is selected by the user of the mobile communication terminal 100. [ When the selection signal receiver 106 receives at least one call receiver selection signal from the relay server 200, the call connection processor 102 transmits a voice call or a VoIP call so that a conference call or a call can be performed. Connection can be processed.

The image capturing unit 108 captures a surrounding image by controlling a camera included in the mobile communication terminal 100 and generates a real time broadcasting signal by encoding according to the format of the broadcasting signal set for the captured image.

The broadcast signal transmission unit 110 transmits a real time broadcast signal including an image photographed through the image capturing unit 108 to the broadcast relay server 200 in response to a broadcast relay request signal transmitted to the broadcast relay server 200 To the broadcast relay server 200 in an IP unicast manner using the IP of the broadcast relay server 200 in real time as shown in FIG. 3B, and the relay server 200 can respond to one or more broadcast receivers selected by IP multicast broadcasting or multiple unicast To the broadcast receiving terminal 300 in real time. Herein, the IP of the broadcast relay server 200 is stored in advance in the application of the mobile communication terminal 100, or when the application service of the mobile communication terminal 100 is opened, the broadcast relay server 200 or the separate activation server To be provisionally stored as profile information, transmitted and stored.

When the broadcast signal transmitting unit 110 transmits a broadcast signal to the broadcast relay server 200 in real time, the call connection processing unit 102 transmits a broadcast signal to the broadcast relay server 200, Or an external audio output device (earphone) connected by short-range wireless (Bluetooth), and the other party's voice of the VoIP call is being outputted through the proximity voice output device, the voice of the other party of the VoIP call Is output. That is, when the broadcast signal is transmitted to the broadcast relay server 200 in real time by the broadcast signal transmitting unit 110, the call connection processing unit 102 transmits the other party's voice output to the proximity voice output device of the mobile communication terminal 100 The speaker phone conversation mode can be switched and output. The reason why the other party's voice is switched is that the mobile communication terminal 100 is preferably separated from the user's ear in order to facilitate the real-time image capturing of the image capturing unit 108. In this case, The other party's voice may not be heard, so that real-time image capturing and existing voice call or VoIP call are performed simultaneously.

At this time, the broadcast signal transmitting unit 110 may transmit the broadcast signal to the broadcast relay server 200 in real time, and may control the display unit 116 to display an image shot in the real time. At the same time, 200 and the broadcast receiver or the call receiver information corresponding to the selection signal for the call recipient, respectively, simultaneously with the captured real-time image. In addition, the broadcast signal transmitting unit 110 may process the display unit 1106 to display a menu (icon) for selecting the transmission end of the broadcast signal together with the real time image to be photographed.

On the other hand, when the broadcast signal transmitting unit 110 transmits a real time broadcast signal to the broadcast relay server 200 in real time and the voice of the existing connected communication device 20 or the voice of the VoIP call is outputted in the speakerphone mode When a menu of transmission termination for a broadcast signal is selected by the user of the mobile communication terminal 100, the call connection processing unit 102 transmits a voice call or VoIP call between the connected communication apparatuses 20, (Earphone) connected to the voice output device (Bluetooth) is not provided, it is possible to control the change so that the other party's voice of the voice call or VoIP call is output through the proximity voice output device. That is, when the broadcast signal transmitted to the broadcast relay server 200 is transmitted in real time by the broadcast signal transmitting unit 110, the call connection processing unit 102 transmits the broadcast signal to the communication terminal 100, It is possible to switch the voice to the general communication mode of the proximity voice output device and output the processed voice. The reason for switching the other party's voice is that a call connected between the mobile communication terminal 100 and the communication device 20 and a broadcast connection between the mobile communication terminal 100 and the broadcast receiving terminal 300 Even if the IP multicast broadcast or multi unicast relay of the broadcast signal transmitted through the broadcast relay server 200 to the broadcast receiving terminal 300 is terminated, The voice call or the VoIP call between the communication terminal 100 and the communication device 20 is maintained so that the user can easily make a call of the existing connected voice call or VoIP call. When the relay of the broadcast signal is terminated and the voice call or VoIP call between the mobile communication terminal 100 and the communication device 20 continues to be maintained, the selection signal receiving unit 106 transmits the already received broadcast A menu (icon) for displaying at least a part of the recipient and the call recipient information and selecting the user of the mobile communication terminal 100 to resume transmission of the broadcast signal may be displayed.

The location transmitter 112 transmits the current location information (GPS information, base station information) of the mobile communication terminal 100 to the broadcast relay server 200. Accordingly, the administrator of the communication device 20 or the manager of the broadcast receiving terminal 300 can easily confirm the location of the mobile communication terminal 100. [

Since the broadcast signal setting unit 114 can not perform high-quality video broadcasting when there are a large number of users broadcasting in real time or in a poor radio environment, when the mobile communication terminal 100 starts broadcasting the broadcast, ), And preset the format of the real-time broadcast signal to be transmitted to the broadcast relay server 200 including the image size, compression rate, and the like for the broadcast signal, or preset the format of the packet loss When the packet loss or the delay is increased, the format of the real-time broadcast signal is changed to the lower quality.

5 is a diagram schematically showing a configuration of a broadcast relay server according to an embodiment of the present invention.

5, the relay server 200 according to the embodiment of the present invention includes a reception list storage unit 202, a reception list providing unit 204, a selection signal reception unit 206, a receiver information transmission unit 208, A request signal receiving unit 210, a broadcast signal transmitting unit 212, a location inquiry unit 214, and a menu providing unit 216.

The reception list storage unit 202 stores a list of a plurality of broadcast receivers and a list of a plurality of call recipients in a database. That is, the reception list storage unit 202 stores a list of broadcast receivers to which a broadcast signal received from the mobile communication terminal 100 is to be transmitted, and a list of broadcast receivers to which a call to the specific communication device 20 connected to the mobile communication terminal 100 is switched Or a list of call recipients to be added. At this time, the reception list storage unit 202 classifies the categories of the broadcast recipients and the call recipients into a plurality of categories, classifies the detailed broadcast recipients and the call recipients according to the locations of the broadcast recipients and the call recipients, , A list of the broadcast receivers and the call recipients may be stored in a tree structure. In this case, the reception list storage unit 202 classifies the category of the broadcast signal into categories including at least one disaster / disaster or talent, such as fire, traffic accident, landslide, avalanche, collapse, or crime, At least one of a hospital, a fire station, a police station, and a broadcasting station may be matched and stored as a broadcast receiver and a call receiver corresponding to the category. The list of broadcast receivers and call recipients may be stored so as to correspond to the mobile communication terminal 100. The list of broadcast receivers and call recipients may be stored according to a company / Can be matched and stored. That is, when an organization or an organization subscribes to the service, a list of one or more broadcast receivers or a list of one or more call recipients is predefined corresponding to the mobile communication terminal 100 according to the organization or organization, .

The reception list providing unit 204 selects the list of the broadcast recipients stored in the reception list storage unit 202 when a voice call or a VoIP call is connected between the mobile communication terminal 100 and the communication device 20, To the communication device (20). When the call is connected between the mobile communication terminal 100 and the communication device 20, the reception list providing unit 204 transmits a call recipient list for switching a call or adding a call corresponding to the mobile communication terminal 100 To the device 20.

The selection signal receiving unit 206 receives a selection signal for at least one broadcast receiver selected by an administrator of the communication device 20 connected to the mobile communication terminal 100. [ The selection signal receiver 206 may also receive a selection signal for one or more call recipients selected by an administrator of the communication device 20. [ That is, the selection signal receiving unit 206 receives a selection signal for selecting at least one broadcast receiver and a call receiver among the list of broadcast receivers stored in the reception list storage unit 204 and the list of call recipients from the communication device 20 .

The receiver information transmitter 208 transmits information about the broadcast receiver and / or call receiver received by the selection signal receiver 206 to the mobile communication terminal 100 connected to the communication device 20. That is, the receiver information transmitter 208 receives a selection signal for one or more broadcast receivers by the selection signal receiver 206, or receives a selection signal for one or more conference call recipients selected by the administrator of the communication device 20 The mobile communication terminal 100 can transmit information corresponding thereto. In addition, the receiver information transmitting unit 208 may be configured to allow the mobile communication terminal 100 to make a conference call by switching a call with one or more call recipients selected by an administrator of the communication device 20 or by adding a call recipient selected by the administrator Control processing may be performed.

The request signal receiving unit 210 receives a relay request signal from the mobile communication terminal 100 connected to the communication device 20. At this time, the request signal receiving unit 210 may receive the video signal (broadcast signal) of the surroundings of the field from the mobile communication terminal 100 together with the relay request signal. In this case, the request signal receiving unit 210 transmits the IP multicast broadcast or the multiple unicast broadcast to the broadcast receiving terminal 300 of one or more broadcast recipients selected by the administrator of the communication device 20 And transmits a permission signal for the broadcast relay to the mobile communication terminal 100. [0050]

The broadcast signal delivery unit 212 delivers a broadcast signal received in real time from the mobile communication terminal 100 to the broadcast reception terminal 300 corresponding to the selection signal received by the selection signal reception unit 206. [ At this time, the broadcast signal transmitting unit 212 transmits the broadcast signal received in real time from the mobile communication terminal 100 to the broadcast receiving terminal 300 corresponding to the broadcast receiver selected by the selection signal receiving unit 206, through IP multicast broadcasting or multiplexing Unicast can be processed to be relayed.

When another mobile communication terminal relays a broadcasting signal by broadcasting to the broadcasting signal transmitting unit 212, the broadcasting signal transmitting unit 212 receives a request signal for adding a broadcasting receiver from the communication device 20, The broadcast receiving terminal corresponding to the broadcasting receiver that has been broadcasting the broadcast signal of the broadcasting signal of the broadcasting signal of the broadcasting signal of the broadcasting signal of the broadcasting signal of the broadcasting signal of the broadcasting signal. That is, a broadcast signal received in real time from another mobile communication terminal can be transmitted to a broadcast reception terminal corresponding to the selection signal received by the selection signal receiver.

The location inquiry unit 214 can generate location information by inquiring the location of the mobile communication terminal 100 to which the real-time broadcasting signal is to be transmitted. At this time, the location inquiry unit 214 may provide the generated location information to the communication device 20 or transmit the generated location information to the broadcast receiving terminal 300. In this case, the manager of the communication device 20 can refer to the location information and inquire whether there is an existing terminal that already transmits a real-time broadcast signal in the same area.

That is, another mobile communication terminal existing within a predetermined range based on the location of the mobile communication terminal 100 to transmit the real-time broadcasting signal has already transmitted the real-time broadcasting signal through the broadcasting signal transmitting unit 212 of the broadcasting relay server , It is possible to provide the communication device 20 with the fact that broadcast relay is already proceeding in the same area, information on another mobile communication terminal in the broadcast relay, or a broadcast receiver (broadcast receiver terminal information) of an ongoing broadcast relay .

In addition, the broadcast receiving terminal 300 can display real-time broadcasting and location information relayed from the broadcasting relay server 200, and the manager of the broadcasting receiving terminal 300 can easily display the relayed real- .

 The menu providing unit 216 may provide the mobile communication terminal 100 with a list of call recipients corresponding to the mobile communication terminal 100 that can connect a voice call or a VoIP call.

6 is a flowchart illustrating a broadcast relaying method performed by a communication device according to an embodiment of the present invention. The broadcast relaying method according to the embodiment of the present invention can be performed by the communication device 20 shown in Fig.

Referring to FIGS. 2 and 6, the communication device 20 connects a voice call with the mobile communication terminal 100 (S102). At this time, when there is a call connection request from the mobile communication terminal 100 to relay the broadcast signal, the communication device 20 can connect the mobile communication terminal 100 with the call. The communication device 20 also receives a call from the broadcast relay server 200 as a call recipient to a call already connected to the mobile communication terminal 100 based on the list of call recipients corresponding to the mobile communication terminal 100 You can switch or connect an existing call to an additional call to another call recipient.

The communication device 20 receives a list of at least one broadcast receiver corresponding to the mobile communication terminal 100 (S104). At this time, the communication device 20 receives a list of at least one broadcast recipient corresponding to the mobile communication terminal 100 from the broadcast relay server 200. In this case, the administrator of the communication device 20 can select at least one broadcast receiver based on the list of broadcast receivers received from the broadcast relay server 200. [

The communication device 20 receives terminal information about other mobile communication terminals existing within a set range based on the location of the mobile communication terminal 100 among other mobile communication terminals broadcasting relay through the broadcast relay server 200 (S106). That is, when another mobile communication terminal existing within a predetermined range based on the location of the mobile communication terminal 100 is transmitting a broadcasting signal through the broadcasting relay server 200, the communication device 20 may transmit the broadcasting signal to the broadcasting relay server 200 200 to the other mobile communication terminal. In this case, the communication device 20 can report that the broadcasting signal is already being relayed by the other mobile communication terminal to the mobile communication terminal 100, and can notify the other mobile communication terminal 200 And transmits the terminal information to the mobile communication terminal 100.

The communication device 20 requests the broadcast relay server 200 to add at least one broadcast receiver in the list of the received broadcast receiver to the broadcast receiver that the other mobile communication terminal relays the broadcast signal at step S108. That is, when another mobile communication terminal existing within a set range based on the location of the mobile communication terminal 100 is transmitting a broadcasting signal through the broadcasting relay server 200, The broadcast relay server 200 requests the broadcast receiver corresponding to the terminal to add at least one broadcast receiver selected from the list of received broadcast receivers.

7 is a flowchart illustrating a broadcast signal transmission method according to an embodiment of the present invention. The broadcast signal transmission method according to the embodiment of the present invention can be performed by the mobile communication terminal 100 shown in FIG.

Referring to FIGS. 3, 4 and 7, when a user of the mobile communication terminal 100 is in a situation where a disaster, a disaster, a talent, or the like is generated around the mobile communication terminal 100, Run the installed application. At this time, the mobile communication terminal 100 displays a list of the call recipients corresponding to the mobile communication terminal 100 received in advance from the broadcast relay server 200 through the application, A voice call or a VoIP call can be connected to the communication device 20 corresponding to the voice call (S202).

The mobile communication terminal 100 receives a selection signal for at least one broadcast receiver from the broadcast relay server 200 (S204), controls the information of the broadcast receiver corresponding to the received selection signal to be displayed, (S206). The control unit 200 receives a selection signal for at least one call recipient and controls to display a call recipient corresponding to the received selection signal (S206). At the same time, the mobile communication terminal 100 can control the user to select a start of transmission of the broadcast signal by controlling a menu (icon) for selecting start of transmission of the broadcast signal. At this time, when receiving at least one call receiver selection signal from the broadcast relay server 200, the mobile communication terminal 100 transmits a conference call for adding a call device corresponding to the selected call recipient to the existing call device 20 A voice call or a VoIP call may be concatenated so that an existing call device 20 is connected to a call device corresponding to the selected call recipient. In addition, the mobile communication terminal 100 may measure a radio environment (uplink) for a specific server and determine a format of a real-time broadcast signal to be transmitted to the broadcast relay server 200 including a video size, a compression rate, It can be preset.

Then, the mobile communication terminal 100 transmits a broadcast relay request signal to the broadcast relay server 200 according to the input of the menu selection signal by the user. At this time, the mobile communication terminal 100 controls the provided camera to capture a surrounding image, generates a real-time broadcasting signal by encoding according to the format of the broadcast signal set for the captured image, And transmits the generated real-time broadcast signal to the broadcast relay server 200 (S208). At this time, the mobile communication terminal 100 can control the real time image to be photographed to be displayed on the screen. At the same time, at least a part of the information about the broadcast receiver and the call receiver received from the broadcast relay server 200, A menu (icon) for selecting termination can be controlled to be displayed simultaneously with a real-time image to be photographed. In addition, the mobile communication terminal 100 may perform a speakerphone conversation mode switching process by controlling a speaker in association with a voice call or a VoIP call between existing communication devices 20 (S210). In addition, when the packet loss or the transmission delay increases during transmission of the real-time broadcasting signal encoded by the broadcasting relay server 200, the mobile communication terminal 100 changes the format of the real- (S212).

The mobile communication terminal 100 can transmit the current location information (GPS information, base station information) to the relay server 200 (S214).

In addition, when the transmission end menu (icon) of the broadcast signal is selected by the user, the mobile communication terminal 100 stops transmitting the broadcast signal to the broadcast relay server 200.

At this time, when a voice call or a VoIP call between the mobile communication terminal 100 and the communication device 20 is still maintained, the general call mode switching process can be performed by controlling the speaker, And a menu (icon) that allows the user of the mobile communication terminal 100 to select the transmission of the broadcast signal again through the display unit 116 can be displayed.

8 is a flowchart illustrating a broadcast relay method according to another embodiment of the present invention. The broadcast relaying method according to the embodiment of the present invention can be performed by the broadcast relay server 200 shown in FIG.

Referring to FIGS. 5 and 8, the broadcast relay server 200 stores a list of a plurality of broadcast receivers (S302). That is, the broadcast relay server 200 stores a list of broadcast receivers to which real-time broadcast signals received from the mobile communication terminal 100 are to be transmitted. At this time, the broadcast relay server 200 classifies the categories of broadcast receivers into a plurality of categories, classifies broadcast receivers in detail according to locations, sub-departments, etc. of the broadcast receivers, ) Structure. The list of broadcast receivers may be stored so as to correspond to the mobile communication terminal 100, and the list of broadcast receivers may be stored according to a company / organization / management office to which the user of the mobile communication terminal 100 belongs. Also, a plurality of conference call recipient lists can be stored, and can be stored so as to correspond to the mobile communication terminal 100 like a list of a plurality of broadcast receivers, and can be stored in a company / group / According to the management office, the list of broadcast receivers can be matched and stored.

The broadcast relay server 200 transmits a list of recipients (communication apparatuses of users) corresponding to the mobile communication terminal 100 to the mobile communication terminal 100 in order to designate the communication apparatus 20 of the user to which the user connects the VoIP call To the mobile communication terminal 100.

The broadcast relay server 200 provides the communication device 20 with a list of broadcast recipients corresponding to the mobile communication terminal 100 when a voice call or VoIP call is connected between the mobile communication terminal 100 and the communication device 20 (S304). In addition, the broadcast relay server 200 may additionally provide the communication device 20 with a list of the call recipients corresponding to the mobile communication terminal 100. The broadcast relay server 200 may inquire the position of the mobile communication terminal 100 to generate position information and transmit the generated position information to the communication device 20 or the broadcast receiving terminal 300 at step S306.

The broadcast relay server 200 receives a selection signal for at least one broadcast receiver selected by the administrator from the communication device 20 connected to the mobile communication terminal 100 at step S308. The broadcast relay server 200 may also receive a selection signal for one or more call recipients selected by the administrator from the communication device 20. [

The broadcast relay server 200 transmits information on the broadcast receiver selected by the administrator from the communication device 20 to the mobile communication terminal 100 connected to the communication device 20. (S310). When the broadcast relay server 200 receives one or more broadcast recipients or one or more call recipients selected by the administrator from the communication device 20, the broadcast relay server 200 may transmit the information to the mobile communication terminal 100. In addition, the mobile communication terminal 100 may add a call transfer or a recipient to one or more call recipients selected from the user of the communication device 20 to perform a control process to enable a conference call.

The broadcast relay server 200 receives the relay request signal from the mobile communication terminal 100 connected to the communication device 20 (S312). At this time, the broadcast relay server 200 transmits an IP multicast broadcast or a multiple unicast broadcast to the broadcast receiving terminal 300 of one or more broadcast recipients selected by the administrator of the communication device 20 The mobile communication terminal 100 can transmit a broadcast relay permission signal to the mobile communication terminal 100. [ At this time, the broadcast relay server 200 may receive the broadcast signal (video signal) of the surroundings of the field from the mobile communication terminal 100 together with the relay request signal.

The broadcast relay server 200 transmits the broadcast signal received in real time from the mobile communication terminal 100 to the broadcast receiving terminal 300 corresponding to the broadcast receiver selected by the user of the communication device 20 so that the broadcast signal is relayed through the IP multicast broadcast or multi- (S314). At this time, the broadcast relay server 200 can inquire the position of the mobile communication terminal 100 that transmits the real-time broadcast signal, generate the location information, and transmit it to the broadcast receiving terminal 300.

Meanwhile, it goes without saying that the process of performing each of the above-described embodiments can be performed by a program or an application stored in a predetermined recording medium (for example, a computer-readable). Here, the recording medium includes an electronic recording medium such as a RAM (Random Access Memory), a magnetic recording medium such as a hard disk, and an optical recording medium such as a CD (Compact Disk).

At this time, the program stored in the recording medium may be executed on hardware such as a computer or a smart phone to perform each of the above embodiments. The present invention is not limited to the above-described specific embodiments, and various modifications and changes may be made without departing from the gist of the present invention. It is to be understood that such variations and modifications are intended to be included in the scope of the appended claims.

Claims (18)

A list receiving unit for receiving a list of at least one broadcast receiver corresponding to the mobile communication terminal;
A terminal information receiver for receiving terminal information of another mobile communication terminal existing within a range set based on a location of the mobile communication terminal among other mobile communication terminals broadcasting a broadcast through the broadcast relay server; And
An additional request unit for requesting the broadcast relay server to add at least one broadcast receiver of the list of broadcast receivers received by the list receiver to the broadcast receiver relaying the broadcast signal by the other mobile communication terminal;
The communication device comprising: The method according to claim 1,
The list receiving unit,
And receives a list of at least one broadcast receiver corresponding to the mobile communication terminal from the broadcast relay server. The method according to claim 1,
A call connection unit for connecting a voice call with the mobile communication terminal;
Further comprising: A selection signal receiver for receiving a selection signal for at least one broadcast receiver corresponding to the mobile communication terminal from the communication device; And
A broadcast signal delivery unit for delivering a broadcast signal received in real time from another mobile communication terminal existing within a range set based on the position of the mobile communication terminal to a broadcast reception terminal corresponding to the selection signal received by the selection signal receiver;
The broadcast relay server comprising: 5. The method of claim 4,
A receiver list storage unit for storing a list of a plurality of broadcast receivers corresponding to the mobile communication terminal;
Further comprising:
Wherein the selection signal receiver receives a selection signal corresponding to at least one broadcast receiver from a list of broadcast receivers stored in the receiver list storage unit from the communication device. 5. The method of claim 4,
Wherein the selection signal receiver receives a selection signal for at least one call recipient from the communication device. 6. The method of claim 5,
The receiver list storage unit stores a list of a plurality of call recipients,
Wherein the selection signal receiving unit receives a selection signal corresponding to at least one call recipient from a list of call recipients stored in the recipient list storage unit from the communication device. 5. The method of claim 4,
A receiver information transmitter for transmitting the information about the broadcast receiver selected by the selection signal receiver to the mobile communication terminal and the other mobile communication terminal;
Wherein the broadcast relay server further comprises: 9. The method of claim 8,
Wherein the selection signal receiver receives a selection signal for at least one call recipient from the communication device,
Wherein the receiver information transmitting unit transmits information on the call receiver selected by the selection signal receiver to the mobile communication terminal and the other mobile communication terminal. A broadcast relaying method performed by a communication device,
Receiving a list of at least one broadcast recipient corresponding to the mobile communication terminal;
Receiving terminal information of another mobile communication terminal existing within a set range based on the position of the mobile communication terminal among other mobile communication terminals broadcasting a broadcast through the broadcast relay server; And
Requesting the broadcast relay server to add at least one broadcast receiver of the list of broadcast receivers received by the list reception step to a broadcast receiver relaying the broadcast signal by the other mobile communication terminal;
Wherein the broadcast relay method comprises: 11. The method of claim 10,
The list receiving step includes:
And receiving a list of at least one broadcast receiver corresponding to the mobile communication terminal from the broadcast relay server. 11. The method of claim 10,
Connecting a voice call with the mobile communication terminal;
Further comprising the steps of: A broadcast relaying method performed by a broadcast relay server,
Receiving a selection signal for at least one broadcast receiver corresponding to a mobile communication terminal from a communication device; And
Transmitting a broadcast signal received in real time from another mobile communication terminal existing within a range set based on the position of the mobile communication terminal to a broadcasting reception terminal corresponding to the selection signal received in the selection signal reception step;
Wherein the broadcast relay method comprises: 14. The method of claim 13,
Storing a list of a plurality of broadcast receivers corresponding to the mobile communication terminal;
Further comprising:
Wherein the selection signal receiving step receives a selection signal corresponding to at least one broadcast receiver of the list of broadcast receivers stored by the list storing step from the communication device. 14. The method of claim 13,
The selection signal receiving step includes:
And receives a selection signal for at least one call recipient from the communication device. 15. The method of claim 14,
Wherein the step of storing a list stores a list of a plurality of call recipients,
Wherein the selection signal receiving step receives a selection signal corresponding to at least one call recipient from a list of call recipients stored by the list storing step from the communication device. 14. The method of claim 13,
Transmitting the information on the broadcast receiver selected by the selection signal receiving step to the mobile communication terminal and the other mobile communication terminal;
Further comprising the steps of: 18. The method of claim 17,
The selection signal receiving step receives a selection signal for at least one call recipient from the communication device,
Wherein the step of transmitting information to the broadcast receiver transmits information on the call recipient selected by the selection signal receiving step to the mobile communication terminal and the other mobile communication terminal.
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