KR20090039223A - Apparatus and method for managing zone for mcbcs in wireless communication system - Google Patents

Abstract

An apparatus and a method for managing zone for MCBCS in wireless communication system are provided to deliver service guide to the local by organizing an MCBCS(MultiCast BroadCast Service) Tx zone in consideration of the contents which is possibly received according to a location of a user. A service area of each service provider is determined. Each service area is configured with one or more Tx zone(Transmission Zone) in which the same contents is provided(1510). In consideration of the Tx zone soft handover region of a different service provider, the total service area of a service provider is configured as at least one MBS(Multicast and Broadcast Service) zone(1509).

Description

Zone operating apparatus and method for broadcasting service in wireless communication system {APPARATUS AND METHOD FOR MANAGING ZONE FOR MCBCS IN WIRELESS COMMUNICATION SYSTEM}

The present invention relates to an apparatus and method for providing a broadcast service in a wireless communication system, and more particularly, to an apparatus and method for operating a zone for a broadcast service in a broadband wireless communication system.

In general, communication systems have been developed mainly for voice services, and are gradually developing into communication systems capable of not only voice but also data services and various multimedia services. However, the voice-oriented communication system has not satisfied the rapidly increasing user's service needs due to the relatively small transmission bandwidth and high usage fee. In addition, due to the development of the communication industry and increasing user demand for Internet services, there is an increasing need for a communication system capable of efficiently providing Internet services. As a result, it has been introduced into a broadband wireless access system for efficiently providing Internet services with broadband enough to meet the demand of rapidly increasing users.

The broadband wireless access system is a system for integrating and supporting not only voice but also various low speed and high speed data services and multimedia application services such as high definition video. The broadband wireless access system is based on a wireless medium using broadband such as 2GHz, 5GHz, 26GHz and 60GHz, in a mobile or fixed environment, public switched telephone network (PSTN), public switched data network (PSDN), internet network, IMT2000 network, It is a wireless communication system that can connect ATM (Asynchronous Transfer Mode) network and can support channel rates of 2Mbps or more. The broadband wireless access system may be classified into a broadband wireless subscriber network, a broadband mobile access network, and a high-speed wireless local area network (LAN) according to terminal mobility (fixed or mobile), communication environment (indoor or outdoor), and channel transmission rate. .

The broadband wireless access system is being standardized by the IEEE 802.16 standardization group of the Institute of Electrical and Electronics Engineers, one of the international standardization organizations.

Compared to the wireless technology for the conventional voice service, the IEEE 802.16 standard has a wider bandwidth of data, which allows a large amount of data to be transmitted in a short time, and enables all users to efficiently use the channel by sharing a channel (or resource). . In addition, quality of service (QoS) is guaranteed so that users can receive different quality services according to the characteristics of the service.

The main services of the broadband wireless access system include the Internet, Voice over IP (VoIP), and non-real time streaming services. In addition, recently, a multicast broadband service (MCBCS), which is a real-time broadcasting service, is emerging as a new service. The MCBSC may be called a multicast and broadcast service (MBS) according to the intention of the standard group and the operator. The MCBCS has the advantage of serving more channels simultaneously while supporting mobility, such as terrestrial digital multimedia broadcasting (DMB).

The MCBCS may provide video services such as news, drama, sports relay, data services such as radio music broadcasting, and real-time traffic information. In addition, the MCBCS can simultaneously transmit various channels such as high-definition video and high-quality audio due to the high data rate using the macro diversity technique. Here, the macro diversity scheme means transmitting the same data at the same resource and at the same time for each MBS zone.

However, in order to efficiently provide the MCCBCS to the user, broadcasting area management is most important. However, the configuration and operation of the broadcasting area is not defined to date. Therefore, it is difficult to compose a list of contents that can be received by a user of a corresponding region, and thus there is no way to construct and deliver a service guide for each region.

Accordingly, an object of the present invention is to provide an apparatus and method for operating a zone for a broadband broadcast service.

Another object of the present invention is to provide an apparatus and method for configuring a service area covered by one service provider into at least one MCBCS Tx zone.

It is still another object of the present invention to provide an apparatus and method for configuring a service area covered by each service provider with at least one MCBCS Tx zone, and configuring an MBS zone using MCBCS Tx zones of service providers.

Another object of the present invention is to provide an apparatus and method for configuring a zone for a broadcast service and generating a service guide based on the configured zone.

Another object of the present invention is to provide an apparatus and method for configuring a zone for a broadcast service and delivering a service guide for each zone.

According to an aspect of the present invention for achieving the above object, in the zone operating method for a broadcast service, the process of determining a service area of each service provider, and at least the same content is provided in each service area; A process of configuring one Tx zone, and a process of configuring an entire service area of at least one service provider into at least one multicast and broadcast service (MBS) zone in consideration of a Tx zone overlapping area of different service providers. It is characterized by.

According to another aspect of the invention, in the zone operating method for a broadcast service, the AP (application server), the process of configuring the service area of the service provider of at least one Tx zone provided with the same content, and the AP A process of constructing a service guide for each Tx zone, a service guide for integrating service guides for all Tx zones, and the AP, converts the entire service guide to an NS (network server) of a network operator. It characterized in that it comprises a process of transmitting.

According to still another aspect of the present invention, in an application server for a broadcast service, a zone configuration in which a service area of a service provider is configured with at least one Tx zone provided with the same content, and a service guide is generated for each Tx zone. And a control unit for integrating service guides for the Tx zones from the zone configuration unit to form an entire service guide, and a communication unit for transmitting the entire service guide to a network server of a network operator.

According to still another aspect of the present invention, in a network server for a broadcast service, a service guide is received from each service provider, and the same content is serviced to the entire service area of different service providers using the received service guides. A zone constituting unit comprising at least one unified broadcasting zone, a service guide reconstructing unit constituting a service guide for each of the configured unified broadcasting zones, and service guides for unified broadcasting zones from the service guide reconstructing unit; And a communication unit for reconfiguring the service guide and a communication unit for transmitting the reconstructed service guide to the base station controller.

According to still another aspect of the present invention, in a network for a broadcast service, a network server of a network operator is configured by configuring a corresponding service area with at least one Tx zone provided with the same content, and configuring a service guide for the Tx zone. Receive a service guide for the Tx zone from at least one application server and at least one application server, and at least one of the same content is serviced to the entire service area of different service providers using the received service guide And a network server configured to deliver a service guide for the integrated broadcast zone to the broadcast controller.

As described above, the present invention constitutes a zone (MCBCS Tx zone, MBS zone) in consideration of the content that can be provided according to the location of the user in a broadband wireless communication system, to configure a service guide (region) There is an advantage to deliver. That is, the user can check the list of all contents provided in the region where the user is located, and thus, the user can easily receive the contents of the region.

Hereinafter, the operating principle of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, and may be changed according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the specification.

Hereinafter, a method for operating a zone for a broadcast service in a broadband wireless communication system will be described.

In this case, the broadcast service may be referred to as a multicast broadcast service (MCBCS) or a multicast and broadcast service (MBS) according to a standard group and an intention of an operator.

In addition, in the following description, the name of a network entity (NE: Network entity) is defined according to a corresponding function, and may vary according to the intention of the standardization group and the operator. For example, the base station may be referred to as a radio access station (RAS) or a base station (BS). In addition, the base station controller may be called an access control router (ACR) or an access service network gateway (ASN-GW). Here, the ASN-GW may perform a router function as well as a base station controller function.

In addition, although an OFDM / OFDMA-based broadband wireless communication system is described below by way of example, the present invention can be easily applied to other wireless communication systems that provide a broadcast service.

First, the present invention defines three broadcast areas as follows.

Service Area (SP): It is organized by a service provider (SP) and represents an entire service area for all content that can be provided by the service provider. The service area may consist of one or more MCBCS Transmission Zones (MCBCS Tx zones), and may overlap with service areas of other service providers. The service area identifier may be included in a service guide and transmitted to a user through an application layer protocol (eg, HTTP).

MCBCS Tx Zone: Represents a sub area where the same content is provided in a service area of one service provider. The MCBCS Tx zone is organized by a service provider, and operation of a base station for each MCBCS Tx zone is performed by an access provider (AP). The MCBCS Tx zone may consist of one or more MBS zones and may overlap with the MCBCS Tx zone of another service provider. Meanwhile, the MCBCS Tx Zone ID may be included in a service guide and transmitted to a user through an application layer protocol.

MBS zone: Represents a group of base stations sharing the same multicast connection identifier (MCID) and security association (SA). The base stations in the MBS zone transmit the same content at the same time. In addition, the MBS zone is organized and managed by a network provider (AP). On the other hand, the MCID, SFID (Service Flow ID), Channel ID (Channel ID or Logical CH ID), MBS Zone ID (MBS Zone ID) can be delivered to the user in two ways. One may be included in the service guide and delivered through an application layer protocol, and the other may be delivered to a user through a media access protocol (MAC) layer when performing a dynamic service add (DSA).

A method of configuring a zone (MCBC Tx Zone, MBS Zone) based on the above definition is as follows.

1 shows an example of MCBCS Tx zone configuration according to the present invention.

As shown in the drawing, when all contents provided in the entire area of the service area are the same, the service area may consist of one MCBCS Tx zone.

2 shows another example of MCBCS Tx zone configuration according to the present invention.

As shown, when the content provided in the service area is different for each region, the service area may be composed of a plurality of MCBCS Tx zones. 2 illustrates a case where one service area is composed of two MCBCS Tx zones.

3 shows an example of MBS zone configuration according to the present invention.

As described above, the MCBCS Tx zone may be configured as one MBS zone, and may be divided into a plurality of MBS zones for macro diversity.

4 shows another example of the MBS zone configuration according to the present invention.

As shown, when one or more MCBCS Tx zones overlap, the overlapping region may be configured of at least one MBS zone.

In order to help better understanding of the present invention, a practical application example will be described.

Table 1 below is an example of contents provided by broadcast service providers (SPs) serving Seoul and Bundang.

Service Provider Name Service area Service area by channel ON Media Gangbuk, Gangnam Channel 1: OCN (Gangbuk, Gangnam) Channel 2: Onstyle (Gangbuk) Channel 3: Ongamenet (Gangnam) Culture Broadcast Gangnam, Bundang Channel 4: MBC (Gangnam, Bundang) Channel 5: MBN (Bundang) Channel 6: MBC Sports (Gangnam) Seocho Broadcasting Seocho-gu Channel 7: Seocho Broadcasting (Seocho-gu)

When the MCBCS Tx zone is configured based on Table 1, it is as shown in Table 2. As shown in Table 2 and FIG. 4, a sub area providing the same content is configured as one MCBCS Tx zone.

Service area ID MCBCS Tx Zone ID Service area Provided Content SP1 MCBCS Tx Zone 1-1 Gangbuk Channel 1, Channel 2 MCBCS Tx Zone 1-2 Gangnam Channel 1, Channel 3 SP2 MCBCS Tx Zone 2-1 Gangnam Channel 4, Channel 6 MCBCS Tx Zone 2-2 Per minute Channel 4, Channel 5 SP3 MCBCS Tx Zone 3-1 Seocho-gu Channel 7

Referring to Table 2 and FIG. 5, contents provided to each of Gangbuk, Gangnam, Seocho-gu, and Bundang can be confirmed. That is, regardless of the service area of the service provider, the user in Gangbuk may receive channels 1 and 2 based on the user's location, and the user in Gangnam may receive channels 1, 3, 4 and 6. . In addition, a user in Bundang may receive channels 4 and 5, and a user in Seocho-gu may receive channels 1, 3, 4, 6 and 7. In this case, base stations broadcasting the same content among adjacent base stations may be configured as one MBS zone to obtain macro diversity, and thus, four MBS zones may be configured as shown in FIG. 6.

On the other hand, the service guide is created by the service provider (SP) for each MCBCS Tx zone and delivered to the MCBCS network server (NS: Network Server). According to Table 2 above, three service providers generate a total of five service guides. Then, the MCBCS network server reconfigures the service guide according to the configuration of FIGS. 4 and 5 in consideration of regions where MCBCS Tx zones overlap, such as Gangnam and Seocho-gu. In this case, a total of four new service guides are generated, and mapping them by MBS zone is as follows.

MBS Zone 1: Service Guide 1 (MCBCS Tx Zone 1-1)

MBS Zone 2: Service Guide 2 (MCBCS Tx Zones 1-2, 2-1)

MBS Zone 3: Service Guide 3 (MCBCS Tx Zones 1-2, 2-1, 3-1)

MBS Zone 4: Service Guide 4 (MCBCS Tx Zone 2-2)

Based on the above description, the network structure and the operation of each NE according to the present invention are as follows.

7 illustrates a network structure according to an embodiment of the present invention.

As shown, the network structure is largely divided into a part operated by a service provider (SP) and a part operated by a network provider, and a part operated by the network provider is a core service network (CSN). And an access service network (ASN).

The MCBCS application server (AS) 70 is operated by a service provider, and generates a service guide for a service area of the service provider and provides it to the MCBCS NS 71. In this case, when the content provided in the service area is different for each region, the MCBCS AS 70 configures the service area as at least one MCBCS Tx zone in which the same content is provided. The MCBCS AS 70 generates a service guide for each MCBCS Tx zone, constructs an entire service guide for all MCBCS Tx zones, and provides the service guide to the MCBCS NS 71.

In addition, the MCBCS AS 70 performs service subscription management, user authentication & authorization, user group management, key management & distribution, Content protection, stream and file transmission, user interaction, notification or alert functions, and the like are performed. Here, the content serviced by the MCBCS AS 70 may be provided from a content provider (CP) (not shown).

The MCBCS NS 71 is configured in the core service network and uses the service guides received from at least one MCBCS AP 70 to refer to the entire service area for the same content service (hereinafter referred to as an "integrated broadcast zone"). Separate into That is, by comparing the geographic location of all MCBCS Tx zones of different service areas, the entire service area is divided into areas (integrated broadcast zones) that should transmit the same content. In this case, a base station group belonging to each integrated broadcast zone may be generated and managed. In this case, the integrated broadcast zone may be mapped to an area (eg, MBS zone) for macro diversity. The MCBCS NS 71 configures a service guide for each integrated broadcast zone, combines the configured service guides, and transmits the combined service guides to the corresponding MCBCS controller 72. In addition, the MCBCS NS 71 may perform stream and file transmission, multicast group management, reception report management, and the like.

The MCBCS controller 72 is configured in an access service network (eg, a block in ASN_GW) and performs a packet / time synchronization function for broadcast content. In addition, the MCBCS controller 72 configures an MBS zone by using the reconfigured service guide from the MCBCS NS 71, and divides the service guide into MBS zones and distributes the service guides to base stations of the MBS zone.

As shown, one service area may be configured with at least one MCBCS Tx zone, and one MCBCS Tx zone may be configured with at least one MBS zone. Here, the MCBCS Tx zones may overlap each other, and the overlap region may also be configured of at least one MBS zone.

The base station 73 transmits the broadcast content from the MCBCS controller 72 through a predetermined resource at a predetermined time. Here, base stations belonging to the same MBS zone broadcast the same content at the same time for macro diversity. Meanwhile, the service guide is transmitted to the terminal through the application layer protocol. Accordingly, the terminal may check broadcast channels (or content list) that can be received at the current location through the service guide.

Although not shown, the core service network may include a policy server, an AAA (Authentication, Authorization, Accounting) server, a network management server, and the like.

The network reference model according to the invention is as shown in 8.

The function of each NE illustrated in FIG. 8 is the same as the description of FIG. 7 described above, and the following description will focus on content flow.

Referring to FIG. 8, the content provider 75 generates and stores content, and provides the content to the MCBCS AS 70.

The MCBSC AS 70 generates a service guide for all contents that can be provided in the service area and provides the service guide to the MCBCS NS 82 and delivers the content (stream and file) to the MCBCS NS 71 according to the service guide. . In addition, when the service request is received from the terminal, the MCBSC AS 70 distributes a key for content encryption to the terminal.

The MCBCS NS 71 reconstructs the service guide from the MCBCS AS 70 and transfers the reconstructed service guide to the base station controller. The MCBCS NS 71 also transfers the content (stream and file) from the MCBCS AS 81 to the base station controller ASN_GW according to the service guide.

The MCBCS controller 72 in the base station controller configures an MBS zone using the service guide from the MCBCS NS 71, separates the service guide for each MBS zone, and delivers each service guide to base stations of the corresponding MBS zone. do. In addition, the MCBCS controller 72 transmits the content from the MCBCS NS 71 to the base station 73 in packet and time synchronization.

The base station 73 broadcasts the packet / time synchronized broadcast content from the base station controller to the terminal 74 by mapping it to a predetermined resource at a predetermined time.

On the other hand, the service guide is transmitted to the terminal 74 via the application layer protocol. Accordingly, the terminal 74 may check the broadcast channels (or content list) that can be received at the current location through the service guide. That is, the terminal 74 displays a content list according to the service guide on the display window, and transmits the corresponding content request to the MCBCS AP 70 according to a user's request. Then, the MCBCS AP 70 transfers a key for content encryption to the terminal 74, and then the terminal 74 decrypts and plays the received content with the key.

9 shows a configuration of an MCBCS application server (AS) according to an embodiment of the present invention.

As shown, the MCBCS AS 70 includes a controller 900, a communication unit 902, a content storage unit 904, an MCBCS Tx zone configuration unit 906, and a service guide storage unit 908. Here, it is assumed that the communication unit 902 performs the physical layer processing, and the process for the upper protocol layer is performed by the controller 900.

Referring to FIG. 9, the communication unit 902 physically processes and transmits a transmission packet from the control unit 900, and performs a physical layer processing of the reception packet to the control unit 900.

The controller 900 controls overall operations of the MCBCS AS 70 and is in charge of protocol processing. The control unit 900 stores the content from the content server 75 in the content storage unit 904, selects the corresponding content from the content storage unit 904 according to the service guide and delivers the content to the MCBCS NS 71. .

When the content provided in the service area is different for each region, the MCBCS Tx zone configuration unit 906 configures the service area as at least one MCBCS Tx zone in which the same content is provided. The MCBCS Tx zone configuration unit 906 generates a service guide for each MCBCS Tx zone and provides it to the controller 900.

Then, the control unit 900 integrates the service guides for all the MCBCS Tx zones to form an entire service guide, and stores the entire service guide in the service guide storage unit 908, and stores the entire service guide through the communication unit 902. 71).

10 illustrates a configuration of an MCBCS network server NS according to an embodiment of the present invention.

As shown, MCBCS network server 71 is a control unit 1000, communication unit 1002, content storage unit 1004, service guide storage unit 1006, integrated broadcast zone configuration unit 1008, service guide reconstruction unit It comprises 1010. Herein, it is assumed that the communication unit 1002 performs the physical layer processing, and the control unit 1000 performs the processing for the upper protocol layers.

Referring to FIG. 10, the communication unit 1002 performs physical layer processing on a transmission packet from the control unit 1000, and performs a physical layer processing on the received packet to provide the control packet to the control unit 1000.

The controller 1000 controls overall operations of the MCBC NS 71 and is in charge of protocol processing. The controller 1000 stores the content received from the MCBCS AS 70 in the content storage unit 1004, selects the corresponding content from the content storage unit 1004 according to a service guide, and delivers the content to the MCBCS controller 72. do. In addition, the control unit 1000 receives a service guide for a corresponding service area from each MCBCS AS, and provides the received service guides to the integrated broadcast zone composition unit 1008. Here, it is assumed that the MCBCS AS 70 periodically provides a service guide to the MCBCS NS 71 or provides a service guide update whenever a service guide update occurs.

The integrated broadcast zone configuring unit 1008 divides the entire service area into at least one integrated broadcast zone using service guides of different service areas from the controller 1000. That is, in consideration of overlapping regions of all MCBCS Tx zones of different service regions, the entire service region is divided into regions serving the same content (integrated broadcast zones). For example, when the region of MCBCS Tx zone 2 of service area 1 and the region of MCBCS Tx zone 1 of service area 2 overlap, the two MCBCS Tx zones are mapped to one unified broadcast zone.

The service guide reconstruction unit 1010 configures and provides a service guide for each integrated broadcast zone to the controller 1000 by using the integrated broadcast zone configuration information from the integrated broadcast zone configuration unit 1008. That is, a list of contents that can be provided in each integrated damage zone is constructed and provided to the controller 1000. Then, the control unit 1000 reconstructs the service guide by integrating the service guides for the unified broadcast zones, and stores the reconstructed service guide in the service guide storage unit 1006. In addition, the controller 1000 transmits the reconstructed service guide to the MCBCS controller 72 in the base station controller ASN GW.

11 illustrates a configuration of a base station controller according to an embodiment of the present invention.

As shown in the figure, the function of the MBSC controller is shown, and the control unit 1100, communication unit 1102, content storage unit 1104, service guide storage unit 1106, MBS zone configuration unit 1108 and service guide decomposition It is comprised including the part 1110. Here, it is assumed that the communication unit 1102 performs the physical layer processing, and the control unit 1100 performs the processing for the upper protocol layers.

Referring to FIG. 11, the communication unit 1102 physically processes and transmits a transmission packet from the control unit 1100, and provides a physical layer processing of the received packet to the control unit 1100.

The controller 1100 controls overall operations of the base station controller and is in charge of protocol processing. The controller 1100 stores the content received from the MCBCS NS 71 in the content storage unit 1104, selects the content from the content storage unit 1104 according to the service guide, and delivers the content to the base stations in the MBS zone. do. At this time, the controller 1100 transmits the corresponding content to the base stations in the MBS zone by packet and time synchronization.

In addition, the controller 1100 provides the service guide received from the MCBCS NS 71 to the MBS zone configuration unit 1108. Then, the MBS zone configuration unit 1100 configures an MBS zone using the service guide. The service guide decomposition unit 1110 separates the service guide for each MBS zone by using the MBS zone configuration information from the MBS zone configuration unit 1100, and provides a service guide for each MBS zone to the controller 1100.

Then, the control unit 1100 stores the service guide for each MBS zone in the service guide storage unit 1106. In addition, the controller 1100 transmits a service guide for each MBS zone to base stations belonging to the MBS zone.

12 illustrates an operation procedure of an MCBCS AS according to an embodiment of the present invention.

Referring to FIG. 12, first, in operation 1201, when the contents provided in the service area are different for each region, the MCBC AS 70 groups all of the provided contents on a regional basis. For example, when three broadcasting channels in the service area are serviced, channels 1 and 2 are serviced in the Gangbuk region, and channels 2 and 3 are serviced in the Gangnam region, grouping channels 1 and 2 on the basis of Gangbuk, Group channels 2 and 3 on the basis of Gangnam.

In step 1203, the MCBC AS 70 defines a region corresponding to each of the groups as the MCBCS Tx zone. That is, the Gangbuk region is defined as MCBCS Tx Zone 1, and the Gangnam region is defined as MCBCS Tx Zone 2.

In step 1205, the MCBC AS 70 configures a service guide for each MCBCS Tx zone. That is, a list of broadcast channels that can be serviced in the corresponding MCBCS Tx zone is configured. Thereafter, the MCBC AS 70 configures an entire service guide for all MCBCS Tx zones in step 1207, and delivers the entire service guide to the MCBCS NS 71 in step 1209.

13 illustrates an operation procedure of MCBCS NS according to an embodiment of the present invention.

Referring to FIG. 13, first, the MCBCS NS 71 receives a service guide for a service area from each MCBCS AS in step 1301. Here, the service guide may include a service guide for at least one MCBCS Tx zone.

In operation 1303, the MCBCS NS 71 divides the entire service area into at least one unified broadcast zone using service guides of different service areas. That is, by comparing the geographic location of all MCBCS Tx zones of different service areas, the entire service area is divided into areas (integrated broadcast zones) serving the same content.

In operation 1305, the MCBCS NS 71 configures a service guide for each integrated broadcast zone. In addition, the MCBCS NS 71 combines the configured service guides in step 1307 to reconstruct the service guide, and transfers the reconstructed service guides to the corresponding MCBCS controller 72 in step 1309. In this case, a header is added in front of the reconstructed service guide to separate the service guide again.

14 illustrates an operation procedure of an MCBCS controller according to an embodiment of the present invention.

Referring to FIG. 14, the MCBCS controller 72 first receives a service guide from the MCBCS NS 71 in step 1401. Here, the service guide may include a service guide for at least one integrated broadcast zone.

Thereafter, the MCBCS controller 72 configures an MBS zone with reference to the received service guide in step 1403. Here, the unified broadcast zone may be mapped to the MBS zone as it is, or one unified broadcast zone may be configured of a plurality of MBS zones. In operation 1405, the MCBCS controller 72 decomposes the received service guide for each MBS zone using header information.

In step 1407, the MCBCS controller 72 transmits the decomposed service guide for each MBS zone to the base stations of the MBS zone.

15 illustrates a service guide transmission procedure according to an embodiment of the present invention.

Referring to FIG. 15, first, in operation 1301, the MCBCS AS 70 configures a corresponding service area into at least one MCBCS Tx zone, and integrates service guides for all MCBCS TX zones to form an overall service guide.

In operation 1303, the MCBCS AS 70 transmits an entire service guide for the service area to the MCBCS NS 71. Here, the MCBCS NS 71 may receive a service guide from at least one MCBCS AS 70.

In operation 1305, the MCBCS NS 71 divides the entire service area into regions (integrated broadcast zones) serving the same content using service guides of different service areas received from the plurality of MCBCS ASs. That is, by comparing the geographic location of all MCBCS Tx zones of different service areas, the entire service area is composed of at least one unified broadcast zone. The MCBCS NS 71 configures a service guide for each integrated broadcast zone, and combines the configured service guides to reconstruct the service guide. Thereafter, the MCBCS NS 71 transmits the reconstructed service guide to the MCBCS controller 72 in the base station controller in step 1307.

Then, the MCBCS controller 72 configures the MBS zone using the service guide from the MCBCS NS 71 in step 1309. At this time, a base station group belonging to each MBS zone is generated. Thereafter, the MCBCS controller 72 decomposes the service guide for each MBS zone. In operation 1311, the MCBCS controller 72 transmits the decomposed service guide for each MBS zone to the base stations of the MBS zone.

If the application layer message (service guide) cannot be interpreted by the base station controller, since the MBS zone configuration using the service guide is impossible, the MCBCS NS 71 receives the integrated broadcast zone configuration information through separate signaling. (MCBCS controller). In addition, the service guide configured in the MCBCS NS 71 is delivered to the terminal as it is through the application layer protocol. In this case, since the service guide includes service guides for all MBS zones, the terminal can grasp the MBS zone to which it belongs and select and play only the service guide of the corresponding MBS zone.

16 shows a practical application to help better understanding of the present invention.

As an example based on Table 2, three service providers (MCBCS AS1, MCBCS AS2, MCBCS AS3) first configures a service guide for each MCBCS Tx zone and transmits it to MCBCS NS. At this time, the service provider 1 (MCBCS AS1) configures a service guide for each of Gangbuk (MCBCS Tx Zone 1-1) and Gangnam (MCBCS Tx Zone 1-2), and integrates the service guide 1 (SG1: Service Guide 1). ) Is transmitted to the MCBCS NS. Similarly, Service Provider 2 ((MCBCS AS2) also configures Service Guides for Gangnam (MCBCS Tx Zone 2-1) and Bundang (MCBCS Tx Zone 2-2), and integrates Service Guide 2 (SG2) into MCBCS. In addition, service provider 3 (MCBCS AS3) also configures service guide 3 (SG3) for Seocho-gu (MCBCS Tx Zone 3-1) and transmits to MCBCS NS.

The MCBCS NS then compares the service guides from the three service providers and divides the entire service area into unified broadcast zones. In this case, the entire service area may be divided into four regions, such as Gangbuk, Gangnam, Bundang, and Seocho-gu. The MCBCS NS configures a service guide for each region. That is, service guides SG'1, SG'2, SG'3, and SG'4 are configured for Gangbuk, Gangnam, Seocho-gu, and Bundang, respectively. The MCBCS NS combines the service guides for each region as shown to reconstruct the service guide, and transfers the reconstructed service guide to the base station controller (ASN GW). In this case, header information is attached to the reorganized service guide to separate the service guide for each region again.

As another example, as illustrated, the MCBCS NS may reconstruct the service guide by integrating all the service guides for each MCBCS TX zone received from the three service providers, and transmit the reconstructed service guide to the base station controller. In this case, the MCBCS controller in the base station controller may configure the MBS zone using the service guide, and after reconfiguring the service guide for each MBS zone, may transmit the service guide for each MBS zone to the base stations belonging to the MBS zone. .

In the above-described embodiment of the present invention, the MCBCS Tx zone is configured in the MCBCS application server, the integrated broadcasting zone is configured in the MCBCS network server, and the MBS zone is configured in the base station controller. The invention is not limited to a specific network entity. That is, the zone operation and service guide delivery method according to the present invention may be variously implemented according to the network structure.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the scope of the following claims, but also by the equivalents of the claims.

1 is a view showing an example of MCBCS Tx zone configuration according to the present invention.

2 is a view showing another example of MCBCS Tx zone configuration according to the present invention.

3 is a diagram illustrating an example of an MBS zone configuration according to the present invention;

4 is a view showing another example of the MBS zone configuration according to the present invention.

5 shows an application example of the present invention.

6 is a view showing an example of the MBS zone configuration according to the application example of FIG.

7 illustrates a network structure according to an embodiment of the present invention.

8 illustrates a network reference model according to the structure of FIG.

9 is a diagram illustrating a configuration of an MCBCS application server (AS) according to an embodiment of the present invention.

10 is a diagram illustrating a configuration of an MCBCS network server NS according to an embodiment of the present invention.

11 is a diagram illustrating a configuration of a base station controller according to an embodiment of the present invention.

12 illustrates an operation procedure of an MCBCS AS according to an embodiment of the present invention.

13 is a diagram illustrating an operation procedure of MCBCS NS according to an embodiment of the present invention.

14 is a diagram illustrating an operation procedure of an MCBCS controller according to an embodiment of the present invention.

15 is a diagram illustrating a service guide transmission procedure according to an embodiment of the present invention.

16 shows an example of practical application for better understanding of the present invention.

Claims (25)

In the zone operation method for a broadcast service, Determining a service area of each service provider; Configuring each service area into at least one transmission zone in which the same content is provided; And configuring an entire service area of at least one service provider into at least one multicast and broadcast service (MBS) zone in consideration of Tx zone overlapping areas of different service providers. The method of claim 1, One service area is composed of at least one Tx zone, and one Tx zone is composed of at least one MBS zone. The method of claim 1, And the service area and the Tx zone are configured by a service provider. The method of claim 1, The base stations belonging to the Tx zone and the MBS zone is configured by a network operator. The method of claim 1, The MBS zone is characterized in that the base station group for transmitting the same content at the same time in the same manner. In the zone operation method for a broadcast service, Configuring, by an AP, at least one Tx zone in which a service area of a corresponding service provider is provided with the same content; The AP configures a service guide for each Tx zone, and configures an overall service guide integrating service guides for all Tx zones; And transmitting, by the AP, the entire service guide to a network server (NS) of a network operator. The method of claim 6, Receiving, by the NS, a service guide from at least one AS; Configuring, by the NS, at least one unified broadcast zone in which the same content is serviced using the service guides of the received different service areas; Reconstructing, by the NE, a service guide for each unified broadcast zone, combining the configured service guides, and reconfiguring a service guide; The NE further comprises the step of transmitting the reconstructed service guide to a base station controller. The method of claim 7, wherein Receiving, by the base station controller, a service guide from the NS; Configuring, by the base station controller, an MBS zone using the received service guide; Decomposing the received service guide for each MBS zone by the base station controller; And transmitting, by the base station controller, each decomposed service guide for each MBS zone to base stations belonging to the corresponding MBS zone. The method of claim 6, The AS is operated by a service provider. The method of claim 8, The base station controller includes a multicast broadband service (MCBCS) controller for processing a broadcast service. The method of claim 8, The MBS zone-specific service guide is characterized in that it is delivered to the terminal through the application layer protocol The method of claim 6, And the identifier of the service area and the identifier of the Tx zone are included in a service guide and transmitted to the terminal through an application layer protocol. In the application server for a broadcast service, A zone configuration unit configured to configure a service area of a service provider with at least one Tx zone provided with the same content, and to generate a service guide for each Tx zone; A control unit for integrating service guides for the Tx zones from the zone configuration unit to form a whole service guide; Server comprising a communication unit for transmitting the entire service guide to the network server of the network operator. The method of claim 13, The application server is a server characterized in that the MCBCS AS (MultiCast BroadCast Service Application Server). The method of claim 13, Wherein said application server is operated by a service provider. The method of claim 13, And the identifier of the service area and the identifier of the Tx zone are included in a service guide and transmitted to the terminal through an application layer protocol. In the network server for a broadcast service, A zone component configured to receive a service guide from each service provider, and to configure the entire service area of different service providers by using the received service guides, at least one integrated broadcasting zone in which the same content is served; A service guide reconstruction unit constituting a service guide for each of the configured broadcast zones; A control unit for reconstructing a service guide by integrating service guides for integrated broadcast zones from the service guide reconstruction unit; And a communication unit for transmitting the reconstructed service guide to a base station controller. The method of claim 17, The network server is a server characterized in that the MCBCS NS (MultiCast BroadCast Service Network Server). The method of claim 17, The network server is a server, characterized in that operated by the network operator. The method of claim 17, In front of the reconstructed service guide server, characterized in that a header is added to separate the service guide by region again. The method of claim 17, The service guide received from the service provider comprises a service guide for at least one MCBCS Tx zone. In the base station controller for a broadcast service, A zone component for receiving a service guide from a network server of a network operator and constituting an MBS zone using the received service guide; A control unit for separating the service guide for each MBS zone by using the MBS zone configuration information; A base station controller comprising a communication unit for transmitting a service guide for each MBS zone to the base stations belonging to the MBS zone. The method of claim 22, The MBS zone-specific service guide is a base station controller, characterized in that delivered to the terminal through the application layer protocol. In a network for a broadcast service, At least one application server configured to configure a corresponding service area with at least one Tx zone provided with the same content, configure a service guide for the Tx zone, and deliver the service guide to a network server of a network operator; Receiving a service guide for the Tx zone from at least one application server, using the received service guide to configure the entire service area of different service providers to at least one unified broadcast zone where the same content is serviced, the integration And a network server constituting a service guide for a broadcast zone and delivering the service guide to a broadcast controller. The method of claim 24, And a broadcast controller configured to configure an MBS zone by using the service guide from the network server, and to deliver the service guide for each MBS zone to base stations belonging to the MBS zone.

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