KR101727295B1 - Method of handover between communication network and broadcast network and handover controller supporting thereof - Google Patents

Abstract

The handover control method according to an embodiment of the present invention may instruct a terminal group to perform a handover from a broadcasting network to a communication network. The method includes generating a handover indication message including service information for identifying a terminal group, And transmits a handover indication message to the terminal group.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handover method and a handover control apparatus for a broadcast network,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to providing broadcast contents, and more particularly, to a handover method between a broadcast network and a communication network for providing broadcast contents.

With the development of IT technology, terminals including both communication network receivers and broadcasting network receivers are becoming popular. The broadcast contents may be provided through a communication network or a broadcasting network.

The user terminal can receive broadcast content (e.g., a baseball game) through a broadcast network. If the broadcast content is forcibly terminated according to the regular broadcast schedule, the user may continue to watch the broadcast content. In this case, a handover procedure is required between the broadcasting network and the communication network.

A general handover procedure between the broadcasting network and the communication network is initiated at the request of the terminal. That is, the terminal continually measures the surrounding radio signal and reports the measurement result to the network to which the terminal is currently connected. The network which has reported the measurement result from the terminal determines a handover operation according to a predetermined criterion, and the terminal requests resource reservation to the network to be handed over (i.e., the target network). Accordingly, the terminal can continuously receive the broadcast contents through the handover operation between the communication network and the broadcasting network and the resumption of the broadcasting service.

However, the general handover operation between the communication network and the broadcasting network is limited to the specific terminal requesting the corresponding handover. Therefore, when a group handover is required for a plurality of terminals due to a change in the state of the network, it is difficult to perform a proper handover operation.

SUMMARY OF THE INVENTION The present invention provides a handover method between a broadcasting network and a communication network.

The handover control method according to an embodiment of the present invention may instruct the terminal group to perform handover from the broadcasting network to the communication network by generating a handover indication message including service information for identifying the terminal group And transmitting the handover indication message to the terminal group.

The step of transmitting a handover indication message to a terminal group includes generating a handover request primitive including service information for identifying the terminal group in a first layer, transmitting the handover request primitive to a second layer And transmitting the handover indication message from the second layer to the terminal group.

A handover method of a terminal from a broadcasting network to a communication network according to an embodiment of the present invention includes receiving a handover indication message including service information for identifying a terminal group to which the terminal belongs from a handover control device, And executing a handover command based on the over indication message.

The step of executing the handover command based on the handover indication message comprises the steps of generating a handover indication primitive including the service information in a first layer, conveying the handover indication primitive to a second layer, And executing a handover command at the second layer.

A handover control apparatus for instructing handover from a broadcasting network to a communication network to a terminal group according to an embodiment of the present invention includes a first layer for generating a request primitive including service information for identifying the terminal group, And a second layer for receiving the request primitive from the first layer and transmitting a handover indication message including the service information to the terminal group.

Since the handover procedure is started at the network side and the UE does not need to respond to the handover command, the group handover operation for a plurality of UEs is possible.

When the specific broadcast content transmitted through the broadcast network is forcibly terminated, the reception of the broadcast content can be switched to the communication network. Accordingly, the user can continuously receive the broadcast content.

1 is a block diagram of a broadcast content providing system according to an embodiment of the present invention.
2 is a block diagram illustrating the structure of an MIH server 120 according to an embodiment of the present invention.
3 is a flowchart illustrating a specific procedure for handover between a MIH server 120 and a terminal 160 broadcasting network and communication network according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

In this specification, a terminal includes a mobile station (MS), a mobile terminal (MT), a subscriber station (SS), a portable subscriber station (PSS), a user equipment , An access terminal (AT), an access terminal (AT), and the like, and may include all or some of functions of a terminal, a mobile station, a mobile terminal, a subscriber station, a mobile subscriber station, a user equipment, .

1 is a block diagram of a broadcast content providing system according to an embodiment of the present invention.

1, the broadcast content providing system 100 includes a content providing server 110, a media independent handover (MIH) server 120, an MIH information (MIH information) server 130, a communication network 140, 150 and a terminal 160.

The content providing server 110 provides broadcast contents to terminals through a communication network or a broadcasting network. Broadcast content includes media content such as real-time TV broadcasts and user-requested video and general data files.

The communication network 140 refers to a mobile communication network and a wireless communication network that provide a bidirectional data communication service and a broadcasting service to the terminal 160. For example, the communication network 140 may include a mobile communication network such as 3GPP (3 ^rd Generation Partnership Project), 3GPP2, and a wireless network such as WiMAX and Wireless Local Access Network (WLAN).

The broadcasting network 150 refers to a wired broadcasting network, a satellite broadcasting network, and a portable mobile broadcasting network providing a downlink-only (DO) broadcasting service to the terminal 160. For example, the broadcasting network 150 may include Digital Video Broadcasting-Handheld (DVB-H), MediaFLO, Advanced Television Systems Committee-Mobile / Handheld (ATSC-M / H)

 The MIH server 120 may be an IEEE 802.21, 802.21a, 802.21b, 802.21c, and / or other 802.21 (IEEE) x A network object that supports the MIH function defined by the standard. The MIH server 120 may exist in the form of managing both the communication network 140 and the broadcasting network 150 as in the centralized management or may exist in the communication network 140 and the broadcasting network 150 respectively. In this specification, the MIH server 120 can be used in combination with the handover control device.

The MIH information server 130 is a server for managing and providing information on a neighboring network in order to facilitate network selection and handover of the terminal.

The terminal 160 has an MIH client function and has both a communication network receiver 162 and a broadcasting network receiver 164. The terminal 160 may support MIH functions defined in the Institute of Electrical and Electronics Engineers (IEEE) 802.21, 802.21a, 802.21b, 802.21c, and / or other 802.21x standards for the optimization of handover between heterogeneous networks. have.

In the case where the terminals receive the specific broadcast content (for example, sports relay) through the broadcasting network and the service of the corresponding broadcast content is forcibly terminated according to the regular broadcasting schedule, the MIH server 120 is forcibly terminated It is possible to recognize a plurality of terminals viewing broadcasting contents as one group and provide a communication network information available to the corresponding terminal group, and perform a handover to the communication network to transmit a message instructing to watch the corresponding broadcasting contents have. Hereinafter, a handover from a broadcast network, that is, a downlink-only (DO) network to a communication network, that is, bidirectional network will be described.

FIG. 2 is a block diagram illustrating a structure of an MIH server 120 according to an embodiment of the present invention. FIG. 3 is a block diagram illustrating a configuration of an MIH server 120 according to an exemplary embodiment of the present invention. FIG. 8 is a flowchart showing a specific procedure for handover. FIG.

Referring to FIG. 2, the MIH server 120 includes an MIH user 122, an MIH function (MIHF) 124, and a link layer 126. Like the MIH server 120, the terminal 160 may include an MIH user, an MIH function, and a link layer.

The MIH technology defines an MIH function (MIHF) 124 as a handover function object that supports mutual information exchange between a layer 3 or higher mobility management protocol and / or an application object and a layer 2 or lower layer device driver and / or a managed object. In the MIH, a mobility management protocol and / or an application object of Layer 3 or higher is defined as an MIH user 122 and an SAP (Service Access Point) between an MIH user 122 and an MIHF 124 object is defined as an MIH_SAP. In addition, the SAP between the lower link layer 126 and the MIHF 124 is defined as MIH_LINK_SAP.

SAP is an interface for information exchange between adjacent layers existing in the same system and defined as a series of primitives. These primitives represent the services provided between the neighboring layers and each primitive has available parameters. When the service provided by the primitive is a Confirmed Service, the corresponding primitive has four types: Request, Indication, Response, and Confirm. On the other hand, when the service provided by the primitive is a nonconfirmed service, the corresponding primitive has two types of request and indication.

In IEEE 802.21, 802.21a, 802.21b, 802.21c, and / or other 802.21x standards, a service provided between an MIH user and an MIHF is defined as a series of MIH_SAP primitives, The services provided between the layers are defined as a series of MIH_LINK_SAP primitives.

In FIG. 2, MIH_NET_SAP is defined as an SAP for communication between remote MIHFs. The communication between remote MIHFs may use UHP or TCP communication of layer 3 or higher, or may use only layer 2 transmission. When the layer 2 transmission scheme is used, the MIH_LINK_SAP primitive is reused.

In the MIH, the core functional services provided through the MIHF are classified into MIH events, commands, and information services.

The MIH event service transfers network state information generated by the lower device driver to the upper mobility management protocol, thereby optimizing the performance according to the mobility processing at the IP layer or higher. The MIH command service supports an interface for controlling a lower device driver in an upper application and / or a mobility management protocol to change the network connection status in the upper application and / or the mobility management protocol, . The MIH information service defines an MIH information server (MIH information server), which is a separate network object providing information on various heterogeneous networks adjacent to the current location of the mobile terminal, Information and information related to the handover policy can be utilized for handover.

Utilizing such MIH events, commands, and information services, the upper mobility management protocol minimizes the delay and packet loss occurring during handover between heterogeneous wireless networks, thereby providing high-quality services to users.

2 and 3, when the MIH user 122 of the MIH server 120 recognizes the handover from the broadcasting network to the communication network and determines to perform the handover, the MIH user 122 of the MIH server 120 The request primitive 122 generates a request primitive (S300) and transfers the request primitive to the MIH function 124 of the MIH server 120 (S310). Here, the request primitive is used for instructing the MIH user of the MIH server 120 to handover to the corresponding communication network in the broadcasting network, while providing the available network information to the MIH users of the terminals of the specific group. The request primitive includes service information for identifying a specific group of terminals to receive a handover instruction from a broadcasting network to a communication network. Here, the service information may include information on broadcast contents that the terminals of a specific group are viewing the same. The request primitive does not require a response from the MIH user of the terminals. It can be used in this specification with the MIH_Net_Bcst_HO_Commit.request primitive. The MIH function 124 of the MIH server 120 transmits a handover indication message to an MIH function of a specific group of terminals receiving a handover instruction from the broadcasting network to the communication network at step S320. At this time, the MIH function 124 of the MIH server 120 may transmit a handover indication message to a Destination Identifier (ID) for identifying a specific group of terminals 160. Here, a specific group of terminals refers to a plurality of user terminals viewing specific broadcast contents, and the MIH server 120 can recognize such a plurality of user terminals as one terminal group. In this specification, the handover indication message can be mixed with the MIH_Net_Bcst_HO_Commit indication message and the like. The handover indication message is a unidirectional message, and the terminals 160 do not transmit a response message after receiving the handover indication message.

The MIH function of the terminal 160 receiving the handover indication message generates an indication primitive and transmits the indication primitive to the MIH user of the terminal 160 at step S330. Here, the indication primitive is used by the MIH function of the terminal 160 to allow the MIH user of the terminal 160 to perform a handover from the broadcasting network to the communication network. The indication primitive can be used in this specification with the MIH_Net_Bcst_HO_Commit.indication primitive.

The MIH user of the terminal 160 receiving the instruction primitive performs an appropriate link operation to execute the command of the MIH server 120 (S340).

As described above, the MIH server 120 starts a handover procedure and transmits a unidirectional handover indication message to a plurality of terminals, so that it is possible to handover the terminals of a specific group.

Hereinafter, a detailed description of a handover indication message, a request primitive, and an indication primitive according to an embodiment of the present invention will be described.

Table 1 shows a handover indication message according to an embodiment of the present invention.

As shown in Table 1, the handover indication message includes a Source Identifier field, a Destination Identifier field, a TargetMNGroupInfo field, a LinkType field, a TargetNetworkInfoList field, a LinkActionExecutionDelay field, and a LinkActionList field.

The Source Identifier field contains identification information of the MIH function 122 of the MIH server 120 transmitting the handover indication message.

The Destination Identifier field includes identification information of the MIH function of the UEs 160 of the specific group receiving the handover indication message.

The TargetMNGroupInfo field includes service information for identifying a specific group of terminals to receive a handover instruction from a broadcasting network to a communication network. Here, the service information may include information on broadcast contents that the terminals of a specific group are viewing the same.

LinkType field indicates link type information (Institute of Electrical and Electronics Engineers (IEEE) 802.21, 802.21a, 802.21b, 802.21c, 802.21c, and / or other 802.21s of a network to which a specific group of terminals receiving a handover instruction from a broadcasting network to a communication network can access x standard specification). The link type information may be in the form of, for example, Wireless IEEE 802.16, Wireless EDGE, or the like.

The TargetNetworkInfoList field is a field indicating whether the terminal of a specific group receiving a handover instruction from a broadcasting network to a communication network is capable of accessing information of networks (Institute of Electrical and Electronics Engineers (IEEE) 802.21, 802.21a, 802.21b, 802.21c and / Specifications). The information of the networks may include, for example, identification information of the network and link addresses.

The LinkActionExecutionDelay field indicates the trial time information for the link operation requested by the MIH server 120 (see IEEE 802.21a, 802.21a, 802.21b, 802.21c, and / or other 802.21x standards) by the Institute of Electrical and Electronics Engineers .

The LinkActionList field includes information on the link operation requested by the MIH server 120 (see IEEE 802.21a, 802.21a, 802.21b, 802.21c, and / or other 802.21x standards) by Institute of Electrical and Electronics Engineers . The information about the link operation may include the link identifier and the operations of the link.

Table 2 shows the request primitive.

The request primitive MIH_Net_Bcst_HO_Commit.request primitive includes DestinationIdentifier, TargetMNGroupInfo, LinkType, TargetNetworkInfoList, LinkActionExecutionDelay, and LinkActionList.

 The DestinationIdentifier includes transmission address information for identifying a specific group of terminals 160 to receive a handover instruction from the broadcasting network to the communication network.

The TargetMNGroupInfo includes service information for identifying a specific group of terminals 160 to receive a handover instruction from a broadcasting network to a communication network. Here, the service information for identifying the terminals 160 of a specific group to receive a handover request may include information on broadcast contents that users are viewing the same.

The LinkType indicates link type information (Institute of Electrical and Electronics Engineers (IEEE) 802.21, 802.21a, 802.21b, 802.21c, and / or 802.16b) of a network to which a specific group of terminals 160 receiving a handover instruction from a broadcasting network to a communication network can access External 802.21x standard).

The TargetNetworkInfoList is information of the networks to which the terminals 160 of the specific group receiving the handover instruction from the broadcasting network to the communication network can access (Institute of Electrical and Electronics Engineers (IEEE) 802.21, 802.21a, 802.21b, 802.21c and / x standard specification).

The LinkActionList includes information on the link operation requested by the MIH server 120 (see IEEE 802.21a, 802.21a, 802.21b, 802.21c, and / or other 802.21x standard specifications) by Institute of Electrical and Electronics Engineers (IEEE).

LinkActionExecutionDelay includes enforcement time information for the link operation requested by the MIH server 120 (see Institute of Electrical and Electronics Engineers (IEEE) 802.21, 802.21a, 802.21b, 802.21c, and / or other 802.21x standard) do.

Table 3 shows the indication primitives.

The indication primitive MIH_Net_Bcst_HO_Commit.indication primitive includes SourceIdentifier, TargetMNGroupInfo, LinkType, TargetNetworkInfoList, LinkActionExecutionDelay, and LinkActionList.

The SourceIdentifier includes the identifier information of the MIH function 124 of the MIH server 120 that transmitted the handover indication message.

The TargetMNGroupInfo includes service information for identifying a specific group of terminals 160 to receive a handover instruction from a broadcasting network to a communication network. The service information for identifying the terminals 160 of a specific group to receive a handover request may include information on broadcast contents that users are viewing the same.

The LinkType indicates link type information (Institute of Electrical and Electronics Engineers (IEEE) 802.21, 802.21a, 802.21b, 802.21c, and / or 802.16b) of a network to which a specific group of terminals 160 receiving a handover instruction from a broadcasting network to a communication network can access External 802.21x standard).

The TargetNetworkInfoList is information of the networks to which the terminals 160 of the specific group receiving the handover instruction from the broadcasting network to the communication network can access (Institute of Electrical and Electronics Engineers (IEEE) 802.21, 802.21a, 802.21b, 802.21c and / x standard specification).

The LinkActionExecutionDelay contains the enforcement time information for the link operation requested by the MIH server (see IEEE 802.21a, 802.21a, 802.21b, 802.21c, and / or other 802.21x standards) by Institute of Electrical and Electronics Engineers (IEEE).

The LinkActionList includes information about the link operation requested by the MIH server (see IEEE 802.21a, 802.21a, 802.21b, 802.21c, and / or other 802.21x standards).

Meanwhile, the MIH information service defined in the IEEE 802.21-2008 standard provides service information supported by neighboring heterogeneous networks. The MIH information service can be used as base information for determining a handover between heterogeneous networks of a terminal. Institute of Electrical and Electronics Engineers (IEEE) 802.21, 802.21a, 802.21b, 802.21c, and / or other 802.21x standards define this information in the form of an Information Element (IE).

Table 4 shows the IE currently defined by the Institute of Electrical and Electronics Engineers (IEEE) 802.21, 802.21a, 802.21b, 802.21c, and / or other 802.21x standards.

Name of information element Description Data type General information elements IE_NETWORK_TYPE Link types of the access networks are available in a given geographical area. NETWORK_TYPE IE_OPERATOR_ID The operator identifier for the access network / core network. OPERATOR_ID IE_SERVICE_PROVIDER_ID Identifier for the service provider. SP_ID IE_COUNTRY_CODE Indicate the country. CNTRY_CODE Access network specific information elements IE_NETWORK_ID Identifier for the access network. NETWORK_ID IE_NETWORK_AUX_ID An auxiliary access network identifier. As an example, IEEE 802.11 refers to the homogenous extended service set ID (HESSID). NET_AUX_ID IE_ROAMING_PARTNERS Roaming Partners.
Network Operators with which the current network operator has direct roaming agreements. ROAMING_PTNS IE_COST Cost.
Indication of cost for service or network usage. COST IE_NETWORK_QOS QoS characteristics of the link layer. QOS_LIST IE_NETWORK_DATA_RATE Data Rate. The maximum value of the data rate is supported by the link layer of the access network. DATA_RATE IE_NET_REGULAT_DOMAIN Regulatory classes supported by the access network. REGU_DOMAIN IE_NET_FREQUENCY_BANDS Frequency bands supported by the network. FREQ_BANDS IE_NET_IP_CFG_METHODS IP Configuration Methods supported by the access network. IP_CONFIG IE_NET_CAPABILITIES Bitmap of access network capabilities. NET_CAPS IE_NET_SUPPORTED_LCP List of location configuration protocols supported by the access network. SUPPORTED_LCP IE_NET_MOB_MGMT_PROT Type of mobility management protocol supported. IP_MOB_MGMT IE_NET_EMSERV_PROXY Address of the proxy providing access to the public safety answering point (PSAP). PROXY_ADDR IE_NET_IMS_PROXY_CSCF Address of the proxy providing access to IMS P-CSCF. PROXY_ADDR IE_NET_MOBILE_NETWORK Indicator whether the access network itself is mobile. BOOLEAN PoA - specific information elements IE_POA_LINK_ADDR Link-layer address of PoA. LINK_ADDR IE_POA_LOCATION Geographical location of PoA. Multiple location types are supported including coordinate-based location information, civic address, and cell ID. LOCATION IE_POA_CHANNEL_RANGE Channel Range / Parameters.
Spectrum range supported by the channel for that PoA. CH_RANGE IE_POA_SYSTEM_INFO System information supported by the link layer of a given PoA. SYSTEM_INFO PoA - specific higher layer service information elements IE_POA_SUBNET_INFO Information about subnets supported by a PoA. IP_SUBNET_INFO IE_POA_IP_ADDR IP Address of PoA. IP_ADDR Other information elements Vendor specific IEs Vendor-specific services. N / A

The Institute of Electrical and Electronics Engineers (IEEE) 802.21, 802.21a, 802.21b, 802.21c, and / or other 802.21x standards classify each defined IE into three information element containers such as IE_CONTAINER_LIST_OF_NETWORKS, IE_CONTAINER_NETWORK, IE_CONTAINER_POA to provide.

The Institute of Electrical and Electronics Engineers (IEEE) 802.21b is a task group that standardizes handover optimization techniques between a broadcasting network and a communication network that provide a mobile broadcasting service. However, the Institute of Electrical and Electronics Engineers (IEEE) 802.21 standard does not define an IE indicating broadcast service information supported by the network. In order to optimize the handover between the broadcasting network and the communication network, an IE indicating broadcasting service information supported by the network is defined, and the MIH information server 160 transmits the IE related to the broadcasting service to the MIH function of the terminal 160 or the network We propose a method to provide the MIH function.

The IE for the broadcast service supported by the network according to an embodiment of the present invention includes identification information on broadcast contents, broadcast service information providing a series of broadcast contents, security information on broadcast contents, . ≪ / RTI >

Table 5 shows an IE for a broadcast service supported by a network according to an embodiment of the present invention.

Name of information element Description Data type General information elements IE_NETWORK_TYPE Link types of the access networks are available in a given geographical area. NETWORK_TYPE IE_OPERATOR_ID The operator identifier for the access network / core network. OPERATOR_ID IE_SERVICE_PROVIDER_ID Identifier for the service provider. SP_ID IE_COUNTRY_CODE Indicate the country. CNTRY_CODE Access network specific information elements IE_NETWORK_ID Identifier for the access network. NETWORK_ID IE_NETWORK_AUX_ID An auxiliary access network identifier. As an example, IEEE 802.11 refers to the homogenous extended service set ID (HESSID). NET_AUX_ID IE_ROAMING_PARTNERS Roaming Partners.
Network Operators with which the current network operator has direct roaming agreements. ROAMING_PTNS IE_COST Cost.
Indication of cost for service or network usage. COST IE_NETWORK_QOS QoS characteristics of the link layer. QOS_LIST IE_NETWORK_DATA_RATE Data Rate. The maximum value of the data rate is supported by the link layer of the access network. DATA_RATE IE_NET_REGULAT_DOMAIN Regulatory classes supported by the access network. REGU_DOMAIN IE_NET_FREQUENCY_BANDS Frequency bands supported by the network. FREQ_BANDS IE_NET_IP_CFG_METHODS IP Configuration Methods supported by the access network. IP_CONFIG IE_NET_CAPABILITIES Bitmap of access network capabilities. NET_CAPS IE_NET_SUPPORTED_LCP List of location configuration protocols supported by the access network. SUPPORTED_LCP IE_NET_MOB_MGMT_PROT Type of mobility management protocol supported. IP_MOB_MGMT IE_NET_EMSERV_PROXY Address of the proxy providing access to the public safety answering point (PSAP). PROXY_ADDR IE_NET_IMS_PROXY_CSCF Address of the proxy providing access to IMS P-CSCF. PROXY_ADDR IE_NET_MOBILE_NETWORK Indicator whether the access network itself is mobile. BOOLEAN IE _ BCST _ PROGRAM _ ID Identifier for the program the access network  is currently serving . Tbd IE _ BCST _ SERVICE _ INFO Service information supported by the access network . Tbd IE _ BCST _ SERVICE _ PROTECTION _ INFO Service protection information  supported by the access network . Tbd IE _ BCST _ PROGRAM _ PROTECTION _ INFO Content protection information supported by  the access network . Tbd PoA - specific information elements IE_POA_LINK_ADDR Link-layer address of PoA. LINK_ADDR IE_POA_LOCATION Geographical location of PoA. Multiple location types are supported including coordinate-based location information, civic address, and cell ID. LOCATION IE_POA_CHANNEL_RANGE Channel Range / Parameters.
Spectrum range supported by the channel for that PoA. CH_RANGE IE_POA_SYSTEM_INFO System information supported by the link layer of a given PoA. SYSTEM_INFO PoA - specific higher layer service information elements IE_POA_SUBNET_INFO Information about subnets supported by a PoA. IP_SUBNET_INFO IE_POA_IP_ADDR IP Address of PoA. IP_ADDR Other information elements Vendor specific IEs Vendor-specific services. N / A

As shown in Table 5, IEs for broadcast services supported by the network can be added to the IE_CONTAINER_NETWORK group in Table 4. [

Table 6 shows IEs for a broadcast service supported by a network according to another embodiment of the present invention.

Information element ID  = ( see Table  G.1) Length  = variable IE _ BCST _ PROGRAM _ ID IE _ BCST _ SERVICE _ INFO IE _ BCST _ SERVICE _ PROTECTION _ INFO IE _ BCST _ PROGRAM _ PROTECTION _ INFO

As shown in Table 6, IEs for broadcasting services supported by the network can be defined and added to new IE containers. The newly defined IE container has IE ID information and length information which are the same as those of other existing IE containers and includes identification information IE_BCST_PROGRAM_ID, broadcast service information IE_BCST_SERVICE_INFO, security information IE_BCST_SERVICE_PROTECTION_INFO, , And information on a broadcasting service use right (IE_BCST_PROGRAM_PROTECTION_INFO).

Table 7 shows an IE for a broadcast service supported by a network according to another embodiment of the present invention.

Name of information element Description Data type General information elements IE_NETWORK_TYPE Link types of the access networks are available in a given geographical area. NETWORK_TYPE IE_OPERATOR_ID The operator identifier for the access network / core network. OPERATOR_ID IE_SERVICE_PROVIDER_ID Identifier for the service provider. SP_ID IE_COUNTRY_CODE Indicate the country. CNTRY_CODE Access network specific information elements IE_NETWORK_ID Identifier for the access network. NETWORK_ID IE_NETWORK_AUX_ID An auxiliary access network identifier. As an example, IEEE 802.11 refers to the homogenous extended service set ID (HESSID). NET_AUX_ID IE_ROAMING_PARTNERS Roaming Partners.
Network Operators with which the current network operator has direct roaming agreements. ROAMING_PTNS IE_COST Cost.
Indication of cost for service or network usage. COST IE_NETWORK_QOS QoS characteristics of the link layer. QOS_LIST IE_NETWORK_DATA_RATE Data Rate. The maximum value of the data rate is supported by the link layer of the access network. DATA_RATE IE_NET_REGULAT_DOMAIN Regulatory classes supported by the access network. REGU_DOMAIN IE_NET_FREQUENCY_BANDS Frequency bands supported by the network. FREQ_BANDS IE_NET_IP_CFG_METHODS IP Configuration Methods supported by the access network. IP_CONFIG IE_NET_CAPABILITIES Bitmap of access network capabilities. NET_CAPS IE_NET_SUPPORTED_LCP List of location configuration protocols supported by the access network. SUPPORTED_LCP IE_NET_MOB_MGMT_PROT Type of mobility management protocol supported. IP_MOB_MGMT IE_NET_EMSERV_PROXY Address of the proxy providing access to the public safety answering point (PSAP). PROXY_ADDR IE_NET_IMS_PROXY_CSCF Address of the proxy providing access to IMS P-CSCF. PROXY_ADDR IE_NET_MOBILE_NETWORK Indicator whether the access network itself is mobile. BOOLEAN PoA - specific information elements IE_POA_LINK_ADDR Link-layer address of PoA. LINK_ADDR IE_POA_LOCATION Geographical location of PoA. Multiple location types are supported including coordinate-based location information, civic address, and cell ID. LOCATION IE_POA_CHANNEL_RANGE Channel Range / Parameters.
Spectrum range supported by the channel for that PoA. CH_RANGE IE_POA_SYSTEM_INFO System information supported by the link layer of a given PoA. SYSTEM_INFO PoA - specific higher layer service information elements IE_POA_SUBNET_INFO Information about subnets supported by a PoA. IP_SUBNET_INFO IE_POA_IP_ADDR IP Address of PoA. IP_ADDR Other information elements Vendor specific IEs Vendor-specific services. N / A Broadcast Handover information elements IE _ BCST _ PROGRAM _ ID Identifier for the program the access  network is currently serving . Tbd IE _ BCST _ SERVICE _ INFO Service information supported by the access network . Tbd IE _ BCST _ SERVICE _ PROTECTION _ INFO Service protection information supported by  the access network . Tbd IE _ BCST _ PROGRAM _ PROTECTION _ INFO Content protection information supported  by the access network . Tbd

As shown in Table 7, the IE for the broadcasting service supported by the network can be defined as a new IE container in Table 4 and added.

The embodiments of the present invention described above are not implemented only by the apparatus and method, but may be implemented through a program for realizing the function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

Claims (17)

A handover instructing method for instructing a handover control apparatus to perform handover from a broadcasting network to a communication network to a terminal group,
Generating a handover indication message including service information for identifying the terminal group, and
Transmitting the handover indication message to the terminal group
Lt; / RTI >
Wherein the transmitting comprises:
Generating a handover request primitive including service information for identifying the terminal group in a first layer,
Forwarding the handover request primitive to a second layer, and
And transmitting the handover indication message from the second layer to the terminal group. delete The method according to claim 1,
Wherein the first layer is a media independent handover (MIH) user and the second layer is an MIH function. The method according to claim 1,
Wherein the handover request primitive includes information for identifying the UEs of the specific group, link type information of a network to which the terminals of the specific group are connectable, information of networks to which the terminals of the specific group are connectable, Wherein the handover control apparatus further comprises at least one of information on a link operation performed by the handover control apparatus and trial time information on a link operation requested by the handover control apparatus. The method according to claim 1,
Wherein the handover indication message is a unidirectional message that does not require a response from the terminal group. The method according to claim 1,
The handover indication message includes information for identifying the handover control apparatus, information for identifying the terminals of the specific group, link type information of a network to which the terminals of the specific group are connectable, Further comprising at least one of information on networks, information on a link operation requested by the handover control apparatus, and trial time information on a link operation requested by the handover control apparatus. A handover method of a terminal from a broadcasting network to a communication network,
Receiving a handover indication message including service information for identifying a terminal group to which the terminal belongs from a handover control apparatus, and
Executing a handover command based on the handover indication message
Lt; / RTI >
Wherein the performing comprises:
Generating a handover indication primitive including the service information in a first layer,
Forwarding the handover indication primitive to a second layer, and
And executing a handover command at the second layer. delete 8. The method of claim 7,
Wherein the first layer is an MIH function and the second layer is an MIH user. 8. The method of claim 7,
Wherein the handover indication primitive includes information for identifying the handover control apparatus, link type information of a network to which the terminals of the specific group are connectable, information of networks to which the terminals of the specific group can be connected, Wherein the handover control apparatus further comprises at least one of information on a link operation performed by the handover control apparatus and trial time information on a link operation requested by the handover control apparatus. 8. The method of claim 7,
Wherein the handover indication message is a unidirectional message that does not require a response from the terminal group. 8. The method of claim 7,
The handover indication message includes information for identifying the handover control apparatus, information for identifying the terminals of the specific group, link type information of a network to which the terminals of the specific group are connectable, Further comprising at least one of information on networks, information on a link operation requested by the handover control apparatus, and trial time information on a link operation requested by the handover control apparatus. A handover control apparatus for instructing a terminal group to perform a handover from a broadcasting network to a communication network,
A first layer for generating a handover request primitive including service information for identifying the terminal group, and
A second layer for receiving the handover request primitive from the first layer and transmitting a handover indication message including the service information to the terminal group
And a handover control unit. 14. The method of claim 13,
Wherein the handover indication message is a unidirectional message that does not require a response from the terminal group. 14. The method of claim 13,
Wherein the first layer is a media independent handover (MIH) user and the second layer is an MIH function. 14. The method of claim 13,
Wherein the handover request primitive includes information for identifying the UEs of the specific group, link type information of a network to which the terminals of the specific group are connectable, information of networks to which the terminals of the specific group are connectable, Further comprising at least one of information on a link operation performed by the handover control apparatus and trial time information on a link operation requested by the handover control apparatus. 14. The method of claim 13,
The handover indication message includes information for identifying the handover control apparatus, information for identifying the terminals of the specific group, link type information of a network to which the terminals of the specific group are connectable, Further comprising at least one of information on networks, information on a link operation requested by the handover control apparatus, and trial time information on a link operation requested by the handover control apparatus.

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