KR101436297B1 - Method for managing push notification in case of reserving download of broadcast-scheduled contents, apparatus and system using the same - Google Patents

Abstract

The present invention provides a method for managing push notification in case of reserving the download of a broadcast-scheduled content, an apparatus and a system using the same. In a reservation download service which allows a user to preserve the broadcast-scheduled content instead of a present download content and download it, when the result message of download is provided to a user terminal through a push service, a certificate token with regard to the user terminal expires or when an expiration event is received from a push service device, an attempt to renew the certificate token is automatically made to prevent a reservation download result message from being omitted and to provide a push alarm to the user terminal.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a push notification management method, and more particularly,

The present invention relates to a technique related to a scheduled download service of scheduled broadcast content, and more particularly to a method of reserving a scheduled broadcast content to be broadcast in the future rather than a downloadable content at present time and pushing a download result message to a user terminal And a device and a system using the same.

Recently, with the rapid development of communication technology and the spread of smart devices, viewing of video contents such as TV broadcasts and movies using portable terminals such as smart phones is becoming popular. In particular, mobile communication service providers provide a variety of applications for building content databases on their own and allowing service users to easily watch video contents.

However, in the case of an existing content providing service based on a smart phone, there is an inconvenience that the user can only view and download the content desired by the user. In addition, a viewing service is provided only for the already broadcasted content, and the content to be broadcast is not considered. Accordingly, in the case of the scheduled broadcast content, the user must individually confirm whether the content has been updated online after the corresponding content is broadcasted. If the update of the content is delayed due to a lack of broadcasting or other problems, There is an inconvenience that the contents can not be viewed only after the online connection and the confirmation process are performed.

In addition, when a large number of people, such as a commute time or a lunch time, want to watch a desired content in a time period during which the network is overloaded using the mobile communication network, it takes a lot of time to download the content, There is a problem that content is not smoothly provided due to difficulty in connection to the server.

If the scheduled download fails due to such a cause, or if the scheduled download is normally completed, the scheduled download result message is provided to the user terminal through the push service. At this time, if the authentication token (token) for the user terminal expires, There is a problem that can not be done. Therefore, the user terminal can not receive the scheduled download result message even though the scheduled download fails or the scheduled download is normally completed.

DISCLOSURE OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems, and it is an object of the present invention to provide a method and system for providing a push service to a user terminal, The present invention provides a push notification management method for automatically updating an authentication token and providing a push alarm to a user terminal without missing a reservation download result message, and an apparatus and a system using the same.

In order to achieve the above object, according to a first aspect of the present invention, there is provided a reservation download service apparatus for scheduled content to be broadcast, comprising: a reservation download request for content scheduled to be broadcasted from a user terminal; A reservation information processing unit for performing downloading by setting a time and analyzing the type of the error when an error occurs in the downloading; Generating a download completion message when the download is normally completed and generating an error message according to the analysis result when the error occurs, and providing the error message to the user terminal through a push service; And a content transmitter for transmitting the requested content to the user terminal at the scheduled download time when the requested content is updated.

According to a second aspect of the present invention, there is provided a push notification management method using a reservation download service apparatus, wherein a reservation download service apparatus for providing a reservation download service for scheduled content includes: A reservation download request step of receiving a request; A reservation downloading step in which the reservation download service device sets a reservation download time according to a scheduled broadcast time of content requested by the user terminal and executes a reservation download when the requested content is uploaded; A message generating step of generating a download complete message when the reservation download is normally completed and generating a download error message when an error of the reservation download is generated; And a notification step in which the reservation download service device pushes the download complete message or download error message to the user terminal through the push service device.

According to a third aspect of the present invention, there is provided a scheduled download service system for scheduled broadcast content, comprising: a user terminal for requesting a scheduled download for a scheduled broadcast content and downloading scheduled broadcast content according to the request; Receiving a reservation download request for the scheduled broadcast content from the user terminal, setting a time at which reservation download is possible, generating a download completion message or an error message as a result of downloading at a preset reservation download time, A reservation download service device provided to the terminal; And a push service device for pushing the completion message or the error message from the reservation download service device to the user terminal through authentication based on the token.

According to the present invention, when an authentication token for a push service expires when pushing a download result message for reservation download of scheduled content to a user terminal, the reservation download service device of the present invention automatically controls to update the authentication token The correct result can be notified by pushing the result message for the scheduled download to the user terminal without missing.

In addition, when pushing the reserved download result message to the user terminal, it is displayed in a notification area of the user terminal differently from the push message of the other service, thereby enabling the user to intuitively recognize the push message.

1 is a configuration diagram illustrating a reservation download service system for scheduled broadcast contents according to an embodiment of the present invention.
2 is a configuration diagram of a reservation download service apparatus for scheduled broadcast contents according to an embodiment of the present invention.
FIG. 3 is a flowchart illustrating the push notification method when a scheduled broadcast content is scheduled to be downloaded according to an embodiment of the present invention.
4 is an exemplary diagram showing a push notification screen of a user terminal.

It is noted that the technical terms used herein are used only to describe specific embodiments and are not intended to limit the invention. It is also to be understood that the technical terms used herein are to be interpreted in a sense generally understood by a person skilled in the art to which the present invention belongs, Should not be construed to mean, or be interpreted in an excessively reduced sense. Further, when a technical term used herein is an erroneous technical term that does not accurately express the spirit of the present invention, it should be understood that technical terms that can be understood by a person skilled in the art are replaced. In addition, the general terms used in the present invention should be interpreted according to a predefined or prior context, and should not be construed as being excessively reduced.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like or similar elements throughout the several views, and redundant description thereof will be omitted.

In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. It is to be noted that the accompanying drawings are only for the purpose of facilitating understanding of the present invention, and should not be construed as limiting the scope of the present invention with reference to the accompanying drawings.

1 is a block diagram schematically illustrating a reservation download service system for scheduled broadcast contents according to an embodiment of the present invention.

1, a scheduled download service system for scheduled broadcast contents according to an embodiment of the present invention includes a reservation download service apparatus 10, a user terminal 20, a push service apparatus 30, a communication network 40 ).

The reservation download service device 10 provides a reservation download service for content scheduled to be broadcast. That is, when the reservation download service device 10 receives a reservation download request for scheduled broadcast content from the user terminal 20, it sets a time (hereinafter, scheduled download time) that can be reserved for download, And transmits the content scheduled to be broadcast to the user terminal 20 at the preset download time.

Here, the "content to be broadcast" is video content that can be viewed through the user terminal 20, such as a movie, a drama, an entertainment program, a current program, a news program, a documentary, .

In particular, the scheduled download service device 10 downloads the scheduled broadcast content at the request of the user terminal 20 and alerts the user of the download result message to the user terminal 20 via the push service device 30. [

At this time, after the authentication is performed based on the token, the download result message is pushed. When the authentication token expires because there is no access or response with the user terminal 20 for a predetermined time, When an expiration event is received from the server 30 indicating that the authentication token for the user terminal 20 has expired, the scheduled download service device 10 requests the push service device 30 to re-register the expired authentication token. Then, the reservation download service device 10 performs authentication based on the re-registered authentication token, and then pushes the download result message.

Here, the download result message may be a completion message that normally completes the scheduled download, or may be an error message that fails the scheduled download. The download result message may be transmitted from the push service device 30 to the user terminal 20 in the form of a push message, but according to another embodiment of the present invention, the user terminal 20 does not receive the message from the push service device 30 A download result message may be generated by checking the download status and displayed in the display area of the terminal. Hereinafter, a download result message is generated in the reservation download service device 10 or the push service device 30 and transmitted to the user terminal 20, but the present invention is not limited to this, The download result message is directly generated and displayed in the display area of the terminal.

The scheduled download service device 10 analyzes the cause (type) of the error of the scheduled download when an error occurs when downloading the content scheduled to be broadcasted at the request of the user terminal 20, And informs the corresponding user terminal 20 of the information.

The error type of the scheduled download is a failure of the scheduled broadcast content, an upload delay, a user authentication failure, a network error between the scheduled download service device 10 and the user terminal 20, a battery shortage of the user terminal 20, Mode change, expiration of user right.

The user terminal 20 receives a reservation download request for the content scheduled to be broadcasted from the user and transmits the reservation download request to the reservation download service device 10, Download.

The user terminal 20 receives the result message for the scheduled download from the push service device 30 or checks the result of the scheduled download and displays the result message so that the result message can be displayed to the user.

The push service device 30 for this purpose issues and manages an authentication token for the user terminal in the authentication token management section. The authentication token may basically include an ID for the user terminal, and an identifier for the scheduled download service.

The push service device 30 can use, for example, AOM (Always On Management) provided by SK Corporation, GCM (Google Cloud Messaging) provided by Google, and the like. The terminal using the SK company's communication network can be defined to use the AOM server as the push service device 30 basically and the other communication terminal can define the push service through the GCM server of Google without intermediating the AOM server have.

Accordingly, when the push service device 30 receives the scheduled download result message to be pushed from the scheduled download service device 10 and the ID for the user terminal, authentication is performed on the user terminal 20 based on the pre-stored authentication token do. When the authentication is normally completed, the reservation download service device 10 notifies that the normal authentication is completed. In addition, the reservation download result message may be pushed to the corresponding user terminal 10 as needed.

At this time, when the authentication token expires, the push service device 30 periodically delivers an expiration event to the scheduled download service device 10, or if there is a push request of the scheduled download result message from the scheduled download service device 10 A message may be delivered informing that the authentication token has expired.

The communication network 40 enables data communication between the reservation download service device 10 and the user terminal 20, the user terminal 20 and the push service device 30. [

The communication network 400 for this purpose includes various types of mobile communication networks such as 2G, 3G, 4G, WiBro (Wireless Broadband), WiMax (World Interoperability for Microwave Access), LTE (Long Term Evolution) and EPC A wireless LAN (WLAN), an Internet network using Wi-Fi, a local area network such as Bluetooth or Zigbee, a Radio Frequency Identification (RFID) or a Near Field Communication (NFC) Or a nearby communication network or the like.

In particular, in the embodiment of the present invention, a Wi-Fi Internet network can be used in consideration of data usage fees during reservation download between the user terminal 20 and the reservation download service apparatus 10. [

That is, the reservation download service is provided only when the user terminal 20 is connected to the reservation download service device 10 via Wi-Fi. However, if the Wi-Fi of the user terminal is turned off while the user terminal 20 makes a reservation, Wi-Fi is forcibly forced to receive a notification at a scheduled download time (for example, around 3:00 am) And turn off the Wi-Fi when downloading is completed.

In an embodiment of the invention, the user terminal 20 comprises a browser for communicating with the reservation download service device 10 via the communication network 40, a memory for storing programs and protocols, A microprocessor, and the like. That is, the user terminal 20 is a broad concept including all communication computing devices such as a mobile communication terminal capable of communicating with the reservation download service device 10, a PDA, a smart phone, and a tablet PC. Among them, smartphones and tablet PCs are intelligent terminals that add computer support functions such as internet communication and information search to mobile phones. Users can install or create applications they want, and they can use various browsing programs in various ways It has the feature that it can connect to the Internet through various applications and can implement an interface suitable for it and share it with others.

2 is a configuration diagram of a reservation download service apparatus for scheduled broadcast contents according to an embodiment of the present invention.

2, the reservation download service apparatus 10 according to the embodiment of the present invention includes a content formation unit 101, a reservation information processing unit 103, a notification unit 105, and a content transfer unit 107 . It may further comprise a database 109 for storing data generated and processed by the configurations.

The content organizing unit 101 manages a schedule table of contents scheduled to be broadcast. For example, the content organizing unit 101 may organize a schedule table in units of a predetermined number of days (seven days), add a new day's scheduled broadcast content once a day, and delete it from a schedule of broadcast scheduled contents after broadcasting .

In addition, information such as a program name, a broadcast date, a broadcast channel, a scheduled broadcast time, and a main casting character of a scheduled broadcast content can be briefly displayed in the schedule table, . Such combination-related information of the scheduled broadcast content can be stored in the database 109. [

The reservation information processing unit 103 receives a reservation download request from the user terminal 20 for the scheduled broadcast content organized in the schedule table and sets a time at which reservation download is possible in accordance with the scheduled broadcast time for each content with respect to the received reservation download do. The time during which the scheduled download is available (hereinafter referred to as the scheduled download time) may be set to a specific time after the predetermined time elapses from the scheduled broadcast end time in consideration of the encoding time of the content. For example, the reservation information processing unit 103 can increase the utilization efficiency of the user terminal (20 in Fig. 1) and the communication network (40 in Fig. 1) by setting the time when the load on the communication network is small, such as the early morning time, as the reservation download time.

In addition, the reservation information processing unit 103 delivers the scheduled broadcast content to the content transfer unit 107 when the reserved download time is set.

When an error occurs in the reservation downloading, the reservation information processing unit 103 correctly analyzes the type of the error and retries the reservation download according to the analyzed type of error, thereby reducing the failure rate of the download.

To this end, the reservation information processing unit 103 receives the status information of the user terminal periodically or as needed from the user terminal. Based on the received status information of the user terminal, whether the error of the reservation download is an error due to the user terminal. Errors due to the user terminal may include insufficient battery capacity of the user terminal, insufficient storage space, blocking of WiFi connection, and the like.

In addition, the reservation information processing unit 103 inquires the user information or the reserved content information stored in the database 109 to determine whether there is an error due to expiration of the usage right by user, a failure of user authentication, Can be analyzed.

The reservation information processing unit 103 may collect the network environment information and analyze whether the download is terminated due to a communication error with the user terminal.

The notification unit 105 generates a message indicating a scheduled download result and a scheduled download time through the reservation information processing unit 103, and transmits the generated message to the user terminal. At this time, the notification unit 105 transmits the ID of the user terminal together with the result message of the reservation download to the push service apparatus.

For example, when the scheduled download is normally completed, the notification unit 105 generates a normal completion message and transmits the generated completion message to the push service apparatus together with the ID for the user terminal. In this case, when the notification unit 105 receives feedback from the push service device that authentication based on the authentication token is normally completed, a normal push process is performed to the user terminal.

When an error occurs in the reservation download, the notification unit 105 generates an error message according to the type of error analyzed through the reservation information processing unit 103, and sends the generated error message to the push service apparatus together with the ID for the user terminal And can be pushed through authentication. This is done in the same manner as the above-mentioned pushing process after normal completion.

In particular, when the authentication token for the user terminal expires or the authentication token expiration event is received from the push service device in the authentication process between the push service devices, the notification unit 105 according to the present embodiment updates the authentication token updating unit 105a, (Re-registration) with the expired authentication token.

The content transmitting unit 107 transmits the content requested to the user terminal 20 at the scheduled download time when the content requested to be scheduled to be downloaded is updated. At this time, the content transmission unit 107 may read the content file having the optimal resolution from the content DB 30 in consideration of the type of the user terminal 20, the network environment, the requirements of the user, and transmit the read content file to the user terminal .

The database 109 stores a schedule table or contents scheduled to be broadcasted through the content organizing unit 101 and stores information such as an ID, a password, personal information, user terminal information, . The reservation download processing service according to the present invention can be provided only to a user who has a specific use right. At this time, the reservation information processing unit 103 confirms the use right of the user stored in the database 109, You can decide.

In addition, the database 109 stores the reservation download request information received by the reservation information processing unit 103 in the reservation information DB 109a, and stores the reservation download time and the like in a matching manner.

The database 109 may store the error information analyzed by the reservation information processing unit 103 in the download error information DB 109b and the notification information alarmed by the notification unit 105 to the user terminal.

The reservation download service device 10 according to this embodiment provides the reservation download service for scheduled content to the user terminal through the authentication process. When the authentication token of the push service device is expired or an expiration event is received And an update logic for automatically attempting to update the authentication token to process the expiration event.

On the other hand, the reservation download service device 10 can transmit a result message for reservation download from the notification unit 105. [ At this time, the reservation download service device 10 can separately generate a Notify message for reservation download and a Notify message of another push service. Therefore, as shown in FIG. 4, the Notify message for reserved download and the Notify message 21a of the other push service are displayed differently in the GUI through the Noti area 21 of the user terminal 20, do.

On the other hand, the user terminal directly checks the download status in the terminal without receiving the result message for the download from the reservation download service device 10 through the push service device 30, generates a download result message, .

A method of managing a push notification upon reservation download of scheduled broadcast contents according to an embodiment of the present invention will be described in detail with reference to the above configuration.

FIG. 3 is a flowchart illustrating the push notification method when a scheduled broadcast content is scheduled to be downloaded according to an embodiment of the present invention.

First, the user terminal 20 guides the schedule of the scheduled broadcast content received from the reserved download service device 10 through the display unit.

When the user terminal 20 receives a reservation download request for an arbitrary scheduled content from the screen displayed on the display unit, the reservation download request information is transmitted to the reservation download service apparatus 10 (S1, S2).

Then, the scheduled download service device 10 sets a scheduled download time that can be downloaded according to the broadcast time of the requested broadcast-scheduled content (S3).

Thereafter, when the requested content to be broadcast is uploaded and the reserved download service time arrives, the reserved download service device 10 performs download (S4).

If the scheduled download service device 10 stops downloading or receives an error message of downloading from the user terminal 20 during downloading, the scheduled download service device 10 may determine whether or not a download error has occurred S5).

When a download error occurs, the scheduled download service device 10 analyzes the type of error for the scheduled download (S6). The types of errors include battery shortage, shortage of storage space, change of connection mode, expiration of user right, failure of user authentication, lack of contents scheduled to be broadcast, upload delay of contents scheduled to be broadcast, A network error between the user terminals 20, and the like.

Thereafter, the scheduled download service device 10 generates an error message according to the type of error (S7).

The push download service device 10 sends an ID message to the push service device 30 together with the error message generated by the push download service device 10 to request a push service (S8).

The push service device 30 inquires the previously stored authentication token about the user terminal ID received from the reservation download service device 10 and determines whether or not the authentication token has expired (S9, S10).

If the authentication token has not expired, the push service device 30 pushes the error message received from the reservation download service device 10 to the corresponding user terminal 20 and notifies (S11).

If the authentication token has expired, the push service device 30 informs the reservation download service device 10 of the expiration of the authentication token and receives an update request for the authentication token from the reservation download service device 10 (S12, S13).

The push service device 30 updates and re-registers the requested authentication token (S14).

The push service device 30 pushes the error message received from the reservation download service device 10 to the corresponding user terminal 20 and notifies the user terminal 20 of the error message in step S15. The user terminal 20 can receive the ID for the user terminal together with the error message again from the user terminal 10 and push the error message to the corresponding user terminal 20 after re-authentication.

Then, the user terminal 20 can confirm the reservation download push message through the push icon displayed through the Noti area 21 as shown in FIG. The push icon is displayed separately from the icon for reservation download and the icon for the normal push service. The detail message content can be confirmed in detail on the screen 22 in which the Notee area 21 is extended.

In step S11 and step S15, the user terminal 20 does not receive an error message for downloading through the push service device 30, A battery shortage, an error in the connection communication mode, and the like, generates an error message, and displays it in the Noti area 21 of the terminal.

On the other hand, when the download download service device 10 has successfully completed downloading in the process S5 of determining whether or not a download error occurs, the schedule download service device 10 generates a completion message, Message is performed in the same manner as steps S8 to S15. This is the process of pushing the completion message, not the error message.

The process of analyzing the error type of the download in the step S6 will be described in detail as follows.

First, the reservation download service device receives the status information of the user terminal, inquires the user information or the reservation content information, receives the network environment information, and analyzes the type of error based on the information.

The status information of the user terminal can be periodically received and collected from the user terminal by the reservation download service device or received upon request in the event of a download error. The reservation download service device determines, based on the status information of the user terminal, a connection communication mode, a battery remaining amount, a capacity of a storage space, and the like as to whether the current connection status of the user terminal is a Wi-Fi mode or a data communication mode such as 3G / 4G Can be confirmed.

The user information or the reservation content information can be inquired from the user information and the schedule table stored in advance in the database of the reservation download service device. Such user information or reserved content information can be used to confirm the authentication failure of the user, the expiration of the use ticket held by the user, and the like.

In addition, the network environment information can be acquired by the reservation download service device in real time by monitoring the network environment information with the user terminal. The network environment information can be used to analyze network errors between the reservation download service device and the user terminal.

For example, when the scheduled download service device analyzes the type of error based on the status information of the user terminal, the access communication mode can be confirmed from the status information of the user terminal. In the case where the reserved download in the present embodiment is limited to perform the download only in the Wi-Fi mode, the reserved download service device can stop the scheduled download according to the access communication mode of the user terminal. For example, if the user terminal is in a data communication mode such as 3G or 4G, the scheduled download service device may immediately stop downloading.

Then, the reservation download service device transmits a push notification message to the user terminal to switch to the Wi-Fi mode together with an error message indicating that the reservation download due to the error of the connection communication mode has failed.

Also, if the reservation download service device checks the battery status from the status information of the user terminal, and if the battery remaining amount is below the reference value, the reservation download service device stops downloading and a push notification message informing that the reservation download service device requires battery charging .

In addition, the reservation download service device checks the storage space from the status information of the user terminal, and if the spare storage space in the user terminal is insufficient, the reservation download service device stops downloading and generates and transmits an error message related thereto.

The embodiments disclosed herein have been described with reference to the accompanying drawings. Thus, the embodiments shown in the drawings are not to be construed as limiting, and those skilled in the art will understand that the present invention can be combined with each other, and when combined, some of the components may be omitted.

Here, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings, but should be construed as meaning and concept consistent with the technical idea disclosed in the present specification.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only examples described in the present specification, and not all of the technical ideas disclosed in the present specification are described. Therefore, various modifications It is to be understood that equivalents and modifications are possible.

10: Scheduled download service device 20: User terminal
30: push service device 40: communication network
101: content organizing unit 103: reservation information processing unit
105: Notification unit 107: Content transmission unit
109: Database 109a: Reservation information DB
109b: Download error information DB

Claims (13)

A download request for a scheduled broadcast content is received from a user terminal, a scheduled download time is set according to a scheduled broadcast time of the requested content, download is performed, and if an error occurs during the download, the type of the error is analyzed A reservation information processing unit;
Generating a download completion message when the download is normally completed, generating an error message according to the analysis result when the error occurs, and providing the error message to the user terminal through a push service; And
A content transmitter for transmitting the requested content to the user terminal at the scheduled download time when the requested content is updated;
Lt; / RTI >
Wherein,
The download completion message or the error message is displayed in a notification area on the user interface of the user terminal and is generated in the form of an icon differentiated from the notification icon of the other push service Download service device. The method according to claim 1,
Wherein,
And transmits the download completion message or the error message together with the ID for the user terminal to the push service device to perform authentication for the push service. 3. The method of claim 2,
Wherein,
And requesting the push service device to update the authentication token of the user terminal when the authentication token of the user terminal for the push service expires and receives an expiration event from the push service device. Scheduled download service device. delete The method according to claim 1,
The reservation information processing unit,
When analyzing the type of the error, it is possible to determine whether the user terminal is insufficiently low in battery capacity, insufficient storage space, changed the access communication mode or not, by referring to the terminal status information received from the user terminal,
User authentication, failure of the requested content, delay of uploading, or the like, by referring to the pre-stored user information and the reserved content information,
And checking whether or not a communication error occurs by referring to the network environment information with the user terminal. A reservation download request step in which a reservation download service device providing a reservation download service for content scheduled to be broadcast receives a request for reservation download of the scheduled broadcast content from a user terminal;
A reservation downloading step in which the reservation download service device sets a reservation download time according to a scheduled broadcast time of content requested by the user terminal and executes a reservation download when the requested content is uploaded;
A message generating step of generating a download complete message when the reservation download is normally completed and generating a download error message when an error of the reservation download is generated; And
A notification step of the reservation download service device pushing the download complete message or download error message to the user terminal through the push service device;
Lt; / RTI >
Wherein the message generation step comprises:
Wherein the download completion message or the download error message is displayed in a notification area on the user interface of the user terminal and is generated in the form of an icon different from the notification icon of another push service. How to manage alerts. The method according to claim 6,
Wherein,
And the reservation download service device transmits the download completion message or the download error message together with the ID for the user terminal to the push service device to perform authentication for the push service. How to manage push notifications. 8. The method of claim 7,
Wherein,
When receiving an expiration event from the push service device indicating that the authentication token for the user terminal has expired in the authentication process for the push service, the reserved download service device updates the authentication token of the user terminal with the push service device ≪ / RTI >
Wherein the push notification service device further comprises: delete The method according to claim 6,
Wherein the message generation step comprises:
When the reserved download service error occurs, the reserved download service device analyzes the type of the error
Wherein the push notification service device further comprises a push notification service device. 11. The method of claim 10,
Wherein analyzing the type of error comprises:
Receiving the status information of the terminal from the user terminal, and determining whether the terminal is short of battery, insufficient storage space, or changed the access mode of the terminal;
Determining whether the user terminal has expired the use right held by the user terminal, whether the user authentication has failed, whether the content has been delayed or uploaded, by inquiring the stored user information and the reserved content information of the reserved download service device;
The reservation download service device recognizing whether there is a communication error by referring to the network environment information with the user terminal;
Wherein the push notification service device further comprises a push notification service device. A user terminal requesting a scheduled download of content to be broadcast and downloading a content to be broadcast according to the request;
Receiving a reservation download request for the scheduled broadcast content from the user terminal, setting a time at which reservation download is possible, generating a download completion message or an error message as a result of downloading at a preset reservation download time, A reservation download service device provided to the terminal; And
A push service device for pushing the completion message or the error message from the reservation download service device to the user terminal through authentication based on the token;
Lt; / RTI >
The reservation download service apparatus comprises:
The download completion message or the error message is displayed in a notification area on the user interface of the user terminal and is generated in the form of an icon differentiated from the notification icon of the other push service Download service system. 13. The method of claim 12,
The reservation download service device
Wherein the push service device automatically requests the push service device to update the authentication token when receiving an event from the push service device indicating that the authentication token for the user terminal has expired.

Images