KR101401595B1 - Apparatus and method for effective allocating mbs zone id and multicast connection id in broadband wireless access system - Google Patents

Abstract

The present invention relates to an efficient multicast and broadcast service zone identifier (MBS zone ID) and a multicast connection identifier (MCID) in a broadband wireless access system. And allocating a predetermined number of MCIDs to the predetermined number of groups based on a transmission rate according to a type of a broadcast service, In this way, there is an advantage that macro diversity is most efficiently supported, and various service scenarios can be easily configured.

MBS, MCID, MBS zone ID, mapping table

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus and a method for efficiently assigning a multicast and broadcast service zone identifier and a multicast connection identifier in a broadband wireless access system,

1 is a diagram illustrating a network structure for providing an MBS service in a broadband wireless access system according to the present invention;

2 is a diagram illustrating an efficient MCID allocation method in a broadband wireless access system according to an embodiment of the present invention, and FIG.

3 is a diagram illustrating an example in which one area has a plurality of MBS zones in a broadband wireless access system according to an embodiment of the present invention.

The present invention relates to a broadband wireless access system, and more particularly, to an apparatus and method for efficiently allocating multicast and broadcast service zone identifiers and multicast connection identifiers.

Generally, a communication system has evolved mainly in voice service, and is gradually evolving into a communication system capable of not only voice but also data service and various multimedia services. However, the voice-oriented communication system has not satisfied the service needs of users who are soaring because the transmission bandwidth is relatively small and the fee for use is high. In addition, due to the development of the telecommunication industry and the increase of users' demand for the internet service, there is a growing need for a communication system capable of efficiently providing the Internet service. Accordingly, the present invention has been introduced to a broadband wireless access system for efficiently providing Internet services with a wide bandwidth sufficient to meet the needs of soaring users.

The broadband wireless access system is a system for integrally supporting not only voice but multimedia application services such as various data services of low speed and high speed and high quality video. Such a broadband wireless access system may be implemented in a mobile or fixed environment based on a wireless medium using broadband such as 2GHz, 5GHz, 26GHz, and 60GHz, a Public Switched Telephone Network (PSTN), a Public Switched Data Network (PSDN) ATM (Asynchronous Transfer Mode) network, and the like, and is capable of supporting a channel transmission rate of 2 Mbps or higher. The broadband wireless access system can be classified into a broadband wireless access network, a broadband mobile access network, and a high-speed wireless LAN (Local Area Network) depending on the mobility (fixed or mobile) of the terminal, the communication environment (indoor or outdoor) .

The wireless access method of the broadband wireless access system is standardized in the IEEE 802.16 standardization group of the Institute of Electrical and Electronics Engineers, one of the international standardization organizations. The IEEE 802.16 standard is capable of transmitting a large amount of data in a short time due to a wide bandwidth of data compared to a wireless technology for a conventional voice service and enabling all users to use the channel efficiently by sharing a channel (or resource) Do. In addition, quality of service (QoS) is ensured so that users can receive different quality services according to the characteristics of the service.

The IEEE 802.16 system has a Multicast and Broadcast Service (MBS) service standard capable of providing multicast and broadcast to a plurality of mobile terminals. In the MBS standard, the same multicast and broadcast service areas can be distinguished through different CIDs (Connection Identifiers) or different SAs (Security Associations). Here, the MBS zone MBS_ZONE is used to indicate that the broadcast and multicast service flows are valid areas through the CID and the SA, and the base station transmits the MBS zone information through the Downlink Channel Descriptor (DCD) . That is, the MBS zone may be referred to as a base station group that uses the same CID and SA to transmit contents.

The MBS service is a service capable of multicasting or broadcasting broadcast contents to all terminals in an MBS zone providing a specific broadcast service. In the 802.16 system, not only a downlink unidirectional broadcast service but also a bidirectional connection through an uplink connection It is possible. The required capacity for each flow of the MBS service may be 32 Kbps, 64 Kbps, 128 Kbps, 256 Kbps, 384 Kbps, 500 Kbps, 1 Mbps and the like. The bandwidth of 64 Kbps or less is mainly used for providing contents such as audio and text messages to the MBS service and the normal video and audio service capacity used for DMB (Digital Multimedia Broadcasting) 384 Kbps, 128 Kbps is used for providing low quality video service, and 1 Mbps or higher is used for providing high quality video service. Generally, in the case of the MBS service, a channel configuration and a transmission rate are generally different for each MBS zone.

As described above, because of the high data rate using the macro diversity technique in the MBS zone unit, the MBS service can simultaneously transmit various channels such as high-definition video of 384 Kbps and high-quality audio of 64 Kbps Lt; / RTI > The IEEE 802.16 standard defines a MBS Zone Identifier (MBS Zone ID) and a Multicast Connection ID (MCID) to provide a broadcasting service in units of MBS zones. . The MBS zone ID and the MCID are limited to a maximum of 128 MBS zones and 94 MCIDs, respectively, since they have a size of 8 bits (MSB = 0) and 0xFEA0-0xFEFE (expressed in 12 bits). One MBS zone is a group composed of several base stations for obtaining macro diversity, and one MCID is a unique corresponding value for each broadcast channel in the MBS zone. If the MBS zone is different, the MCID is not unique. That is, when the MBS zone is different, other broadcast channels may have the same MCID, and the same broadcast channel may have a different MCID.

Here, the conventional MBS zone ID allocation method has the following problems. Assuming that 7000 base stations are required to cover the nationwide network and one MBS zone is composed of three base stations, 2333 MBS zones are all required. However, since the MBS zone ID can be limited to 128 by the standard, it is not possible to assign a unique MBS zone ID to the nationwide network.

Also, the MCID allocation scheme for a broadcast channel according to the prior art has the following problems. In the future, the bandwidth of many broadcasting technologies such as cable TV and DMB will increase, and it is expected that users will be able to select and service hundreds of video, audio and data broadcasting channels. In this case, the system can perform service by grouping hundreds of channels nationwide by region. However, since there are only up to 94 MCIDs according to the standard, there is a problem that it is not possible to assign a unique MCID to hundreds of channels.

As described above, it is expected that a variety of MBS service scenarios will be required depending on the nationwide and regional characteristics in the future, and efficient MBS zone ID and MCID resource management are desperately required in order to satisfy various requirements.

Another problem related to the MBS zone ID and the MCID allocation scheme according to the related art is that it is difficult to support MBS (seamless MBS) which is seamless when moving between the base stations. For example, first, even if the same broadcast content is transmitted in another MBS zone, the MCID may be different, and even in the case of different broadcast contents, different MBS zones may have the same MCID. Therefore, The mapping information for the channel and the MCID must be updated. Second, the MS must read the MBS zone ID in the MBS_MAP_IE of the DL MAP to determine whether it is in the same MBS zone as before or in another MBS zone. However, since it is possible to have multiple MBS zones in one subcell and the next MBS frame can be located in a range of 0 to 255 frames, A situation may arise in which a frame (255 * 5ms = 1.275s) must be checked.

Accordingly, there is a need for an efficient MBS zone ID and MCID resource management method for the MBS service.

Accordingly, it is an object of the present invention to provide an efficient multicast and broadcast service zone identifier and multicast connection identifier allocation apparatus and method in a broadband wireless access system.

In order to achieve the above object, according to an embodiment of the present invention, a multicast connection ID (hereinafter referred to as 'MCID') (or a logical channel ID (hereinafter referred to as 'LCID' Quot;) allocation method includes a process of dividing channels into a predetermined number of groups based on a transmission rate according to a type of a broadcast service, and allocating a predetermined number of MCIDs (or LCIDs) to the predetermined number of groups .

In order to achieve the above object, according to an embodiment of the present invention, in a broadband wireless access system, a multicast and broadcast service zone identifier (MBS zone ID) (or a multicast connection identifier A method of allocating a multicast connection ID (MCID) includes dividing an area into a predetermined number of area units of different sizes, and dividing a predetermined number of different MBS zone IDs (MCIDs) among all the MBS zone IDs (or MCIDs) (MCID) to be allocated to each geographical unit, and allocating one of MBS zone IDs (or MCIDs) allocatable to each geographical unit to the area divided by the geographical unit .

In order to achieve the above object, according to an embodiment of the present invention, a multicast connection ID (hereinafter referred to as 'MCID') (or a logical channel ID (hereinafter referred to as 'LCID' Allocates a predetermined number of MCIDs (or LCIDs) to the predetermined number of groups based on a transmission rate according to the type of the broadcast service, And an MCID (or LCID) assigned to a group to which a channel corresponding to the broadcast channel IP belongs, when receiving the broadcast channel IP.

In order to achieve the above object, according to an embodiment of the present invention, in a broadband wireless access system, a multicast and broadcast service zone identifier (MBS zone ID) (or a multicast connection identifier (MCID) allocation apparatus divides an area into a predetermined number of area units of different sizes, and allocates a predetermined number of different MBS zone IDs (or MCIDs) among the entire MBS zone IDs (or MCIDs) ) To a MBS zone ID (or MCID) allocatable by a geographical unit, and allocates one of MBS zone IDs (or MCIDs) assignable to each geographical unit to the area divided by the geographical unit And a Multicast and Broadcast Service (MBS) controller.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. In the following description, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Hereinafter, an efficient MBS zone ID and MCID allocation apparatus and method in a broadband wireless access system according to the present invention will be described. In the following description, the base station may be a radio access station (RAS) or a base station (BS), and the base station controller may be an ACR (Access Control Router) or an ASN GW (Access Service Network Gateway).

1 is a diagram illustrating a network structure for providing an MBS service in a broadband wireless access system according to the present invention. As shown in the figure, the network structure includes a policy server 160, an Accounting Authentication Authorization (AAA) 150, a content server of Core networks a MBS controller 130, a base station controller 120, a base station 110, and a terminal 100. The MBS controller 130, the MBS controller 130,

Referring to FIG. 1, the policy server 160 manages QoS profile information per IP flow for a terminal requesting a service. The AAA 150 charges and authenticates the MBS service, and the content server 140 stores the MBS content.

The MBS controller 130 manages and controls the MBS service and stores the MBS content generated by the content provider in the content server 140. The MBS controller 130 receives the content from the content server 140, And the base station 110 to the terminal 100. Also, the MBS controller 130 manages an MBS zone ID (MBS_Zone ID) mapping table.

The BSC 120 manages connection and mobility of the MS 100 and receives content from the MBS controller 130 and transmits the received content to the BS 110. In addition, the base station controller 120 manages a mapping table for mapping an MCID using a broadcast channel IP. Here, the primary MBS zone management is managed by the MBS controller 130, but the same information table must be managed by the base station controller 120 as well.

The base station 110 interfaces with a wireless connection according to the IEEE 802.16 standard to provide a connection of a wireless section to the terminal 100 and transmits the content from the base station controller 120 to the terminal 100 do. Finally, the terminal 100 supports the IEEE 802.16 standard and provides an MBS service to the user.

As shown, one MBS zone (MSB_ZONE) consists of a plurality of base stations, and BSs in the same MBS zone (MSB_ZONE) transmit the same broadcast content to the service terminal at the same time.

Meanwhile, the MBS zone ID mapping table proposed in the present invention is configured using the following MBS zone allocation method.

The MBS supports macro diversity function. Therefore, in order to allocate the MBS zone, the MBS zone is divided into a plurality of base stations, each of which covers its own coverage, and a time variable in terms of the same time, You need to consider a variable called channel configuration. For example, it is possible to periodically change the area allocation according to time, and even if the same area has different broadcast channel configurations, it can have different MBS zones. Conversely, if the same area is used for all time zones, the same MBS zone can be set even if the broadcast channel configuration is different. In each MBS zone configuration, the system must support the same frequency, proper coverage, and access technology (permutation scheme, MIMO STC, etc.).

In order to allocate the MBS zone efficiently, the area is divided into regional units, that is, national units, intermediate regions, sub-regional units, and minimum region units. Herein, each of the regional units is composed of a minimum area unit, a small area unit, a middle area unit, and a national unit, and the upper area includes a lower area. The size of each area in the same area unit may be different, and an area that is not adjacent to each other may have the same MBS zone ID. When allocating such areas, it is easy to manage areas that are not adjacent to each other, and it is easy to configure various MBS service scenarios according to national and regional characteristics, and as shown in FIG. 3, have.

  For example, by country, regions can be divided into national units, middle regions such as provinces and provinces, small regional units such as small cities and rural areas, and finally, minimum regional units. Here, the size of each area may be different, and the minimum unit may be, for example, the following depending on the morphology according to base station coverage: dense urban, urban, suburban, To be an MBS zone of different size.

Here, the MBS zone may be allocated differently according to the area unit, for example, as follows. First, the nationwide MBS zone ID can be assigned to one of 0 and 1, and the MBS zone ID allocated to the corresponding area can be displayed with 1 bit of LBS. A plurality of IDs can be assigned to a nationwide unit instead of one. This means that a nationwide zone can be allocated to each of several FAs, and base stations that are STC MIMO nationwide and base stations that support only SIMO This is to cope with scenarios in which national unit zones may be allocated. Of course, it is possible to vary the broadcast channel combination in time for one nationwide zone, or to vary air scheduling. In addition, the MBS zone ID in the intermediate area can be allocated to any one of 2 to 7 except the MBS zone ID of the nationwide unit, and the MBS zone ID allocated to the corresponding area can be displayed with 3 bits of lower bits. In addition, the MBS zone ID of the small area can be assigned to one of 8 to 63 except for the MBS zone IDs of the national and intermediate units, and the MBS zone ID allocated to the corresponding area can be displayed with 6 bits of lower bits The MBS zone ID of the minimum area unit can be allocated to any one of 64 to 127 except the MBS zone ID of the nationwide, medium, and small area units, and the MBS zone ID allocated to the corresponding area with the lower bits (7 bits) Can be displayed.

Here, the MBS zone ID allocation range for each area unit is described as an example, and may be set differently by a provider.

2 is a diagram illustrating an efficient MCID allocation method in a broadband wireless access system according to an embodiment of the present invention. In the broadband wireless access system, the base station controller or the MBS controller includes an MCID mapping table for each broadcast channel IP. In the following description, an implementation of the mapping table will be described by taking a base station controller as an example. Here, the MCID is a factor for distinguishing each MBS_DATA_IE in the MBS MAP message and each channel data burst.

Here, the rate of the corresponding service varies depending on the type of broadcasting service such as video, audio, characters, and high quality, low image quality, high quality, low sound quality, and the rate is the basis of air scheduling. For example, the broadcast service may be classified into a high-definition video having a transmission rate of 384 Kbps or higher and a transmission rate of 128 Kbps based on the transmission rate, MCIDs ranging from 1 to 94 can be allocated to low-quality video, high-quality audio having a transmission rate of 64 Kbps, and low-quality audio having a transmission rate of 32 Kbps or 16 Kbps depending on the type of the broadcasting service. Herein, since the MCID is a unique value according to a zone, the MCID may have a different MCID for the same contents channel in another zone, and the same MCID may be used for different contents channels.

Referring to FIG. 2, the BS controller divides channels into a predetermined number of groups based on a transmission rate according to a type of a broadcast service, and allocates a predetermined number of MCIDs to the predetermined number of groups. At this time, some of the MCIDs allocated to the groups are allocated to MCIDs for nationwide broadcast channels. In step 201, the base station controller determines whether a broadcast channel IP is received. When the broadcast channel IP is received, the BSC checks whether the corresponding channel is a high-definition channel, a low-quality channel, a high-quality channel, a low-quality channel, or the other channel using the broadcast channel IP in step 203.

First, when the channel is a high-definition channel having a data rate of 384 Kbps or higher, the BSC checks in step 205 whether the channel is a national broadcast channel. Here, the channels having the characteristics of the national broadcasting include, for example, broadcasts such as MBC, KBS, SBS, EBS, and AFKN, radio channels of the broadcasting stations, and dedicated channels such as national weather or national news. If the channel is a national broadcast channel, the base station controller assigns one of MCIDs 1 to 5 to the broadcast channel IP in step 207, and if the channel is not a national broadcast channel, One of MCIDs 6 to 20 is allocated to the broadcast channel IP.

Next, when the channel is a low-quality channel having a data rate of 128 Kbps, the BSC checks in step 211 whether the channel is a national broadcast channel. When the channel is a national broadcast channel, the base station controller assigns one of MCIDs 21 to 25 to the broadcast channel IP in step 213. If the channel is not a national broadcast channel, One of MCIDs 26 to 40 is allocated to the broadcast channel IP.

Next, when the channel is a high-quality channel having a data rate of 64 Kbps, the BS controller checks in step 217 whether the channel is a channel having national broadcasting characteristics. When the channel is a national broadcast channel, the base station controller assigns one of MCIDs 41 to 45 to the broadcast channel IP in step 219, and if the channel is not a national broadcast channel, One of MCIDs 46 to 60 is allocated to the broadcast channel IP.

Next, when the channel is a low quality channel having a data rate of 32 Kbps, the base station controller checks in step 223 whether the channel is a national broadcast channel. If the channel is a national broadcast channel, the base station controller assigns one of MCIDs 61 to 65 to the broadcast channel IP in step 225. If the channel is not a national broadcast channel, One of MCIDs 66 to 80 is allocated to the broadcast channel IP.

Lastly, when the channel is a high definition television (HDTV) class having a transmission rate of 1 Mbps or higher, or a character broadcast (weather, local information, performance information) having a transmission rate of 16 Kbps, a channel for urgent broadcasting and personal broadcasting, In step 229, the BS controller determines whether the channel is a channel having a nationwide broadcasting characteristic. When the channel is a national broadcast channel, the base station controller assigns one of MCIDs 81 to 83 to the broadcast channel IP in step 231. If the channel is not a national broadcast channel, One of MCIDs 84 through 94 is allocated to the broadcast channel IP.

In step 205, step 211, step 217, step 223 and step 229, it is determined that the MCID allocation range is different according to whether the corresponding channel is a national broadcasting channel or not, To achieve this, the base station controller allocates the same MCID as possible within the above-mentioned MCID allocation range to broadcast channels having the nature of national broadcasting even in other zones. In other words, the base station controller assigns the same MCID to the high-definition channels having nationwide broadcasting characteristics in the allocation range of 1 to 5 even if they are different zones, and even if there are other zones for the low- The same MCID is allocated in the allocation range of up to 25 times, and even if there are other zones for the high-quality channels having nationwide broadcasting characteristics, the same MCID is allocated in the allocation range of 41 to 45, The same MCID can be assigned in the allocation range of 61 to 65. [ In addition, the base station controller may allocate the same MCID to the other channels having the characteristics of nationwide broadcasts in the allocation range of 80 to 83 even if they are different zones. If the same MCID is assigned to broadcast channels having the characteristics of nationwide broadcasting, the base station controller does not need to additionally map the MCID and the broadcast channel IP according to the base station movement of the terminal. That is, the base station controller may allocate the MCID using a mapping table set at the beginning, and may periodically update the mapping table as needed.

Thereafter, the base station controller terminates the algorithm according to the present invention. Herein, the MCID allocation range for each channel is described as an example and may be set differently by a provider.

Meanwhile, the broadcasting channel according to the embodiment of the present invention may be a broadcasting station such as KBS, MBC, SBS, or may refer to contents such as news, drama, and movies provided by a specific broadcasting station. Likewise, an MCID or a logical channel ID (LCID) may refer to a broadcasting station or content. Here, the broadcast channel IP, the LCID, and the content ID have a 1: 1: 1 mapping relationship, and the MCID and LCID have a 1: 1 or 1: N mapping relationship. Therefore, the MCID and the broadcast channel IP may have a 1: N mapping relationship. That is, a plurality of broadcast channel IPs can be mapped to one MCID.

In the meantime, although the MCID allocation method has been described in the embodiment of the present invention, the LCID allocation can be further considered. In other words, the MCID has a 1: 1 mapping relationship with broadcast channels such as KBS, MBC, and SBC, and the LCID has a 1: 1 mapping relationship with respect to contents of morning news, evening news, closed news, 1 mapping relationship. At this time, the MCID is allocated using the MBS zone allocation method proposed in the present invention, and an LCID is assigned to broadcast contents corresponding to each MCID based on the transmission rate using the MCID allocation method proposed in the present invention can do.

On the other hand, when a general paid channel or general paid contents (such as public channels or regular pay channels) and a specific paid channel or certain paid content (such as a channel that can only see a certain group or an irregular broadcast fee , The following scenarios can be considered. First, the range of channels or contents that can be received according to the user class (Premium, gold, silver, bronse) can be limited for general paid channels / contents or specific paid channels / contents. Second, for a general paid channel / content, the range of content that can be received is limited according to the number of payment periods of a regular broadcasting fee for each user class, and for a specific paid channel / content, broadcast to a user who wants to watch the channel irregularly (Eg, adult groups, alumni associations) to receive and receive services, Here, the meaning of the reception means that the user can view or listen to the corresponding channel or contents.

MCID and LCID can be assigned assuming the above scenario. For example, different MCID assignments may be made in accordance with the periodic paying of the broadcasting fee or the occasional payment of the broadcasting fee, and a plurality of LCID allocations for each MCID may be assigned differently depending on whether the content is public or only a specific group can be viewed . For example, most MCID / LCIDs can be assigned to generic channel / content, and some MCID / LCIDs can be assigned to specific channels / content.

In addition to the above-described embodiments, MCID and LCID are mapped to broadcasting stations (KBS, MBS, SBS, etc.) and contents (news, drama, sports, It is of course possible to propose a union operator scenario.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments, but is capable of various modifications within the scope of the invention. Therefore, the scope of the present invention should not be limited by the illustrated embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

As described above, according to the present invention, in the broadband wireless access system, all areas are grouped by a predetermined number of areas, different MBS zone IDs are allocated to each grouped area unit, and MCIDs are allocated Thus, it is possible to most effectively support the macro diversity, which is a core function of the MBS, in an existing standard frame, to easily configure various service scenarios, and further to contribute to the activation of the MBS service.

Claims (26)

In a method for allocating a multicast connection ID (MCID) (or a logical channel ID (LCID)) in a broadband wireless access system, Dividing channels into a predetermined number of groups based on a transmission rate according to a type of a broadcasting service; And allocating a predetermined number of different MCIDs (or LCIDs) to the predetermined number of groups. The method according to claim 1, Further comprising the step of, when the broadcast channel IP is received, allocating one of the MCID (or LCID) allocated to the group to which the channel corresponding to the broadcast channel IP belongs. The method according to claim 1, Further comprising the step of assigning some MCIDs (or LCIDs) among the MCIDs (or LCIDs) assigned to the groups to MCIDs (or LCIDs) for the national broadcast channels. The method of claim 3, Checking whether a channel corresponding to the broadcast channel IP is a national broadcast channel when a broadcast channel IP is received; Further comprising the step of, when the channel is a national broadcast channel, assigning one of MCID (or LCID) for a national broadcast channel of the group to which the channel belongs. 5. The method of claim 4, Allocating the same MCID (or LCID) to the same national broadcasting channels belonging to different zones. The method according to claim 1, Wherein the MCID has a 1: 1 or 1: N mapping relationship with a broadcast channel or content, and the LCID has a 1: 1 mapping relationship with a broadcast channel or content. The method according to claim 1, Wherein the MCID (or LCID) is allocated in consideration of at least one of whether to pay a user a periodic / irregular broadcasting fee, and whether contents are for a public group / a specific group. A method of allocating a multicast and broadcast service zone identifier (MBS zone ID) (or a multicast connection ID (MCID) allocation method) in a broadband wireless access system In this case, Dividing a region into a predetermined number of regional units of different sizes, Allocating a predetermined number of different MBS zone IDs (or MCIDs) among the entire MBS zone IDs (or MCIDs) to MBS zone IDs (or MCIDs) And allocating one of the MBS zone IDs (or MCIDs) allocatable by the corresponding geographical unit to the area divided by the geographical unit. 9. The method of claim 8, Wherein the area unit comprises at least one of a national unit, a middle area unit, a small area unit, and a minimum area unit. 10. The method of claim 9, Wherein the area unit is configured in the order of a national unit, a middle area unit, a small area unit, a minimum area unit, and an upper area includes a lower area. 9. The method of claim 8, And does not assign the same MBS zone ID to neighboring areas. 9. The method of claim 8, Wherein the MBS zone ID (or MCID) is allocated considering at least one of time and broadcast channel configuration. 9. The method of claim 8, Wherein the MCID has a 1: 1 or 1: N mapping relationship with a broadcast channel or a content. 9. The method of claim 8, Wherein the MCID is allocated in consideration of at least one of whether to pay a regular / irregular broadcasting fee of the user, content availability for a public group or a specific group, and the like. In an apparatus for allocating a multicast connection ID (MCID) (or a logical channel ID (LCID)) in a broadband wireless access system, The method includes: dividing channels into a predetermined number of groups based on a transmission rate according to a type of a broadcasting service; assigning a predetermined number of different MCIDs (or LCIDs) to the predetermined number of groups; And allocating one of the MCID (or LCID) assigned to the group to which the channel corresponding to the IP belongs. 16. The base station of claim 15, (Or LCID) of the MCID (or LCID) allocated to the group is allocated to the MCID (or LCID) for the nationwide broadcast channel, and when the broadcast channel IP is received, (LCID) for a nationwide broadcast channel of a group to which the channel belongs when the channel is a nationwide broadcast channel. 16. The method of claim 15, Wherein the base station controller assigns the same MCID (or LCID) to the same national broadcast channels belonging to different zones. 16. The method of claim 15, Wherein the MCID has a 1: 1 or 1: N mapping relationship with a broadcast channel or a content, and the LCID has a 1: 1 mapping relationship with a broadcast channel or a content. 16. The method of claim 15, Wherein the MCID (or LCID) is allocated in consideration of at least one of whether to pay a user a periodical / non-periodical broadcasting fee, and whether contents are for a public group / a specific group. A multicast and broadcast service zone identifier (hereinafter referred to as 'MBS zone ID') (or a multicast connection identifier (MCID) allocation device) is allocated in a broadband wireless access system In this case, And allocates a predetermined number of different MBS zone IDs (or MCIDs) among the entire MBS zone IDs (or MCIDs) to the MBS zone IDs And a Multicast and Broadcast Service (MBS) controller for allocating one of the MBS zone IDs (or MCIDs) allocatable by the corresponding geographical units to the area divided by the regional units. Device. 21. The method of claim 20, Wherein the area unit comprises at least one of a national unit, a middle area unit, a small area unit, and a minimum area unit. 22. The method of claim 21, Wherein the area unit is composed of a country unit, a middle area unit, a small area unit, a minimum area unit, and an upper area includes a lower area. 21. The method of claim 20, And does not allocate the same MBS zone ID to neighboring areas. 21. The method of claim 20, Wherein the MBS zone ID (or MCID) is allocated considering at least one of a time and a broadcast channel configuration. 21. The method of claim 20, Wherein the MCID has a 1: 1 or 1: N mapping relationship with a broadcast channel or content. 21. The method of claim 20, Wherein the MCID allocates the MCID in consideration of at least one of whether to pay the user a periodic / irregular broadcasting fee, and whether contents are for a public group / a specific group.

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