WO2007022701A1

WO2007022701A1 - A method, system and apparatus for implementing the broadcast multicast service notification

Info

Publication number: WO2007022701A1
Application number: PCT/CN2006/002110
Authority: WO
Inventors: Hao Hu; Bing Xu
Original assignee: Huawei Technologies Co., Ltd.
Priority date: 2005-08-26
Filing date: 2006-08-18
Publication date: 2007-03-01
Also published as: CN100466762C; CN1921642A

Abstract

A method, system and apparatus for implementing the broadcast multicast service notification used for the system with single carrier bearer for the BM service include that: a. the network side sends the BM service indication information on the BM carrier and the non-BM carrier; b. the user equipment UE receives the specific information of BM service changing on the carrier where the BM service changing specific information is sent. The method enables the UE to receive the service changing information on whichever carrier the UE is, so that it’s sure that the UE can receive the BM service correctly on the BM carrier.

Description

Method, system and device for realizing broadcast multicast service notification

The present invention relates to a broadcast multicast service technology, and more particularly to a method, system and apparatus for implementing broadcast multicast service notification in a single carrier system. 'Invention background

Multicast and broadcast are technologies that transfer data from one data source to multiple destinations. In a conventional mobile communication network, a cell multicast service or a cell broadcast service (CBS) allows low bit rate data to be transmitted to all users through a cell shared broadcast channel, which is a message type service.

Nowadays, the demand for mobile communication is no longer satisfied with the telephone and message services. With the rapid development of the Internet, a large number of mobile multimedia services have emerged. Some of these mobile multimedia services require multiple users to receive the same data at the same time, such as video on demand, TV broadcast, video conferencing, online education, interactive games, and the like. Compared with general data services, these mobile multimedia services are characterized by large data volume, long duration, and delay sensitivity. The current Internet Protocol (IP) multicast and broadcast technologies are only applicable to wired IP communication networks, and are not applicable to mobile communication networks. The reason is that mobile communication networks have specific network structures, functional entities, and wireless interfaces, and these are Wired communication IP networks are different.

In order to effectively utilize mobile communication network resources, the Third Generation Mobile Communications Global Standards Organization (3GPP) proposes a Multimedia Broadcast/Multicast Service (MBMS) service for mobile communication networks to provide a data source to multiple mobile communication networks. Users send point-to-multipoint services of data, realize network resource sharing, and improve network resources, especially the utilization of air interface resources. The MBMS proposed by 3GPP can not only realize plain text low-rate message-like multicast and broadcast, but also realize multicast and broadcast of high-speed multimedia services, which undoubtedly conforms to the future. The trend of mobile data development.

The MBMS system is an important attribute of the 3GPP Rdease6 version, which is attached to existing 3G systems. Currently, MBMS services are carried over existing transmission channels and physical channels, using existing frequencies and bandwidths, and the like. In the MBMS system, when an MBMS service is to be provided or information changes, it needs to be completed through a dedicated MBMS service notification process.

Due to the large number of types of services involved in the MBMS system, from background services such as software downloads to real-time services such as video browsing, as the number of providers increases, the number of services will continue to increase. However, MBMS currently uses existing WCDMA resources, namely: the existing transport channel and physical channel are used. The consequence is that the bandwidth of the existing WCDMA system will greatly limit the number and type of MBMS services. The MBMS service with WCDMA carrier frequency will not be able to exert its unique charm. Similarly, similar problems exist for other broadcast and/or multicast services, such as broadcast television. Therefore, in order to fully utilize the effects of various broadcast multicast services, the applicant has proposed a separate broadcast multicast service. A scheme for allocating a downlink carrier to carry a broadcast multicast service, and coordinating cooperation between the separately allocated downlink carrier and the existing symmetric uplink and downlink carriers to form a new single-carrier broadcast multicast system. In this application, the broadcast multicast service is referred to as a BM service, and the BM service is a general term for various broadcast services, or multicast services, or broadcast and multicast services. Here, the downlink carrier number of the bearer BM service is separately allocated. For the BM carrier. In a single-carrier BM service system, a single BM carrier frequency can carry more BM services. For operators, the benefits of full, efficient and reasonable use of wireless resources can be far greater than that of individual frequency. The cost, moreover, is more conducive to the future development of communications, making mobile-based BM services such as mobile TV and television mainstream.

However, for a single-carrier BM service system, according to the prior art mechanism, when the UE receives the BM service on the BM carrier, it needs to receive information such as a service change indication, then, How does the UE receive other BM services or service change information for the BM service being received on the BM carrier, and how to ensure that the UE accurately receives the BM service on the BM carrier, and no specific implementation scheme has been proposed yet. Summary of the invention

The present invention has nine object objects, and an object thereof is to provide a method, system and device for implementing broadcast multicast service notification, so that the UE can receive specific information of the broadcast multicast service change regardless of the carrier frequency, thereby ensuring The UE accurately receives the broadcast multicast service on the BM carrier.

For the first object of the invention, the technical solution of the invention is achieved in this way:

A method for implementing a broadcast multicast service notification is applicable to a system for carrying a broadcast multicast BM service by using a single carrier, where the method includes:

a. The network side sends the BM service indication information on the BM carrier and the non-BM carrier; b. The user terminal UE receives the specific information of the BM service change on the transmission carrier of the BM service change specific information.

In the foregoing solution, the network side sends the specific information of the BM service change on the BM carrier and the non-BM carrier, and the ΌΈ is on the non-BM carrier, and the specific information that the UE receives the BM service change in the step b is: Receiving specific information of the BM service change on the BM carrier;

Or, the network side sends specific information about the BM service change on the BM carrier and the non-BM carrier, and the UE is on the BM carrier, and the specific information that the UE receives the BM service change in the step b is: the UE receives the BM carrier. Specific information on changes in BM business.

In the foregoing solution, the network side only sends the specific information of the BM service change on the non-BM carrier, and the UE is on the non-BM carrier, and the specific information that the UE receives the BM service change in the step b is: the UE is on the non-BM carrier. Receive specific information about changes in BM services; Or, the network side only sends the BM service change specific information on the BM carrier, and the UE is on the BM carrier, and the specific information that the UE receives the BM service change in the step b is: the UE receives the BM service change from the BM carrier. specific information.

In the foregoing solution, the network side only transmits the specific information of the BM service change on the non-BM carrier, and the UE is on the BM carrier;

The specific information that the UE receives the BM service change in the step b is: the UE switches from the BM carrier to the non-BM carrier, and receives the specific message of the BM service change on the non-BM carrier. In the foregoing solution, the network side only transmits the ΒΜ carrier. Sending specific information about the service change, and the UE is on the non-ΒΜ carrier;

Then, the specific information that the UE receives the change of the BM service in the step b is: the UE switches from the non-BM carrier to the BM carrier, and receives the specific information of the BM service change on the BM carrier.

In the above solution, the BM service indication information sent by the network side in the step a is: indicating only whether there is an indication that the BM service changes;

The step a and the step b further include: the network side transmitting, on the BM carrier and the non-BM carrier, BM service change indication information indicating which BM services are changed.

In the above solution, the step a and the step b further include: receiving, by the UE, the BM service change indication information;

In step b, the UE receives the specific information of the BM service change on the transmitting carrier of the BM service change specific information according to the received BM service change indication information.

The step a and the step b further include: the network side transmitting, on the BM carrier or the non-BM carrier, BM service change indication information indicating which BM services are changed.

In the above scheme, The step a and the step b further include: receiving, by the UE, the BM service change indication information;

Then, in the step b, the UE receives the specific information of the BM service change on the sending carrier of the BM service change specific information according to the received BM service change indication information.

In the above solution, the BM service indication information in the step a is: indicating the BM service change indications of which BM services are changed.

In the above solution, the BM service indication information in the step a is: a BM service change indication indicating which BM services are changed;

The method between the step a and the step b further includes: the UE determining, according to the received BM service change indication information, that the BM service is the BM service to be received by the UE, and continuing to perform step b.

In the foregoing solution, after the step b, the method further includes: determining, by the UE, whether the BM service is received on the BM carrier according to the specific information of the received BM service change and the requirement of the BM service and the non-BM service.

In the above solution, the BM service is a multimedia broadcast/multicast service MBMS service, and the BM carrier and the non-BM carrier are respectively an MBMS carrier and a non-MBMS carrier; the BM service indication information is MBMS service indication information; The specific information of the business change is the specific information of the MBMS business change.

For the second object of the invention, the technical solution of the invention is achieved in this way:

A method for implementing a broadcast multicast service notification is applicable to a system that uses a single carrier to carry a BM service, and the method includes:

a. The network side sends the BM service change indication message on the BM carrier and the non-BM carrier. The UE receives the specific information of the BM service change on the transmitting carrier of the BM service change specific information. In the foregoing solution, after the step b, the method further includes: determining, by the UE, whether the BM service is received on the BM carrier according to the specific information of the received BM service change and the requirement of the BM service and the non-BM service.

In the above solution, the BM service is an MBMS service, and the BM carrier and the non-BM carrier are an MBMS carrier and a non-MBMS carrier; the BM service change indication information is an MBMS service change indication information; MBMS business changes specific information.

For the third object of the invention, the technical solution of the invention is achieved in this way:

A method for transmitting a broadcast multicast service notification is applicable to a system that uses a single carrier to carry a broadcast multicast BM service, and the method is:

The network side sends the BM to send the BM service indication message on the BM carrier and the non-BM carrier. In the above solution, after the network side sends the service indication information, the method further includes:

The network side sends specific information about the service change on the ΒΜ carrier and/or the ΒΜ carrier.

For the fourth object of the present invention, the technical solution of the present invention is implemented as follows: A method for receiving a broadcast multicast service notification, which is applicable to a system for carrying a broadcast multicast service by using a single carrier, wherein the method is:

The UE receives specific information about the business change.

In the foregoing solution, before the UE receives the specific information of the service change, the method further includes:

The UE receives the service indication information from the ΒΜ carrier or the non-ΒΜ carrier, and receives the specific information of the service change according to the ΒΜ service indication information.

For the fifth object of the invention, the technical solution of the invention is achieved in this way: A system for implementing broadcast multicast service notification is applicable to a broadcast carrier multicast BM service by using a single carrier, where the system includes a network side subsystem and a UE.

The network side subsystem further includes a sending unit, configured to send BM service indication information on the BM carrier and the non-BM carrier;

The UE further includes a receiving unit, configured to receive specific information of the BM service change on the transmitting carrier of the BM service change specific information.

In the above solution, the sending unit is further configured to send BM service change specific information on the BM carrier and/or the non-BM carrier.

In the above solution, the receiving unit is further configured to receive the BM service indication information from the BM carrier or the non-BM carrier.

For the sixth object of the present invention, the technical solution of the present invention is implemented as follows: A network side subsystem that transmits a broadcast multicast service notification, the network side subsystem further includes a sending unit, configured to perform on the BM carrier The BM service indication information is sent on the BM carrier.

In the foregoing solution, the sending unit is further configured to: send the BM service change specific information on the BM carrier or the non-BM carrier.

For the seventh object of the present invention, the technical solution of the present invention is implemented as follows: A user terminal that receives a broadcast multicast service notification, the user terminal further includes a receiving unit, configured to receive the BM on the BM carrier or the non-BM carrier. Specific information about business changes.

In the above solution, the receiving unit is further configured to receive on a BM or non-BM carrier.

BM service indication information.

For the eighth object of the present invention, the technical solution of the present invention is implemented as follows: A device for transmitting a broadcast multicast service notification, the device being used for BM carrier

The BM service indication information is sent on the BM carrier. In the above solution, the apparatus is further configured to send BM service change specific information on the BM carrier and/or the non-BM carrier.

For the ninth object of the invention, the technical solution of the invention is achieved in this way:

An apparatus for receiving a broadcast multicast service notification, characterized in that the apparatus is configured to receive specific information of a BM service change on a BM carrier or a non-BM carrier.

The method for implementing the BM service notification provided by the present invention broadcasts the BM service indication information on the BM carrier and the non-BM carrier, so that the user can receive the BM service sent by the network whether it is on the BM dedicated frequency or the non-BM frequency. The specific change information, in this way, can ensure that the user receives the BM service that he wants to receive correctly and in time. BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic flowchart of an implementation process according to an embodiment of the present invention;

2 is a schematic diagram of a basic structure of a system for implementing broadcast multicast service notification according to the present invention; FIG. 3 is a schematic diagram of a basic structure of a network side subsystem for transmitting a broadcast multicast service notification according to the present invention;

4 is a schematic diagram showing the basic structure of a user terminal for implementing a notification of receiving a broadcast multicast service according to the present invention. Mode for carrying out the invention

The invention is based on a single carrier BM service system, and proposes several methods for implementing BM service notification. The BM service change information includes: service change indication information and specific information of service change, and since the UE supports reception on multiple frequency segments in the single carrier BM service system, the UE may be on the BM carrier at any time. It may be on a non-BM carrier. Therefore, in order to ensure that the UE can receive specific information about the service change on any carrier, the basic idea of the present invention is: The BM service indication information is sent by the network side on the BM carrier and the non-BM carrier. The indication information can be divided into two types: The first type indicates only whether there is an indication that the BM service changes, and does not include which BM services change. The second type is the BM service change indication information including which BM services have changed.

If the first indication information is sent by the network side, after the indication information is sent, it is necessary to continue to send BM service change indication information indicating which BM services have changed on the BM carrier and/or the non-BM carrier. At this time, the UE may receive the BM service change indication information and receive the specific information of the service change. The UE may also receive the BM service change indication information, but directly receive the specific information of the service change.

The specific information of the service change is used to indicate how the BM service indicating the change is changed, may be sent only on the BM carrier, or may be sent only on the non-BM carrier, and may also be on the BM carrier and the non-BM carrier. All sent.

In the present invention, the BM service is various broadcast services, or multicast services, or broadcast and multicast services. The MBMS service is one of the BM services. The method of the present invention is described in detail by taking only the MBMS service as an example. Correspondingly, the BM service indication information is MBMS service indication information, and the BM service change indication information and the BM service change specific The information refers to the specific information of the MBMS service change indication information and the MBMS service change, respectively.

The implementation process of the method of the present invention will be further described below in conjunction with some specific embodiments. Embodiment 1:

In this embodiment, the MBMS service indication information that is sent by the network side on the MBMS carrier and the non-MBMS carrier is the second indication information, that is, the MBMS service change indication information indicating which MBMS services are changed, and the network side is on the MBMS carrier. The specific information of the MBMS service change is broadcasted on the non-MBMS carrier; the UE is on the non-MBMS carrier, and receives the service change indication information and the specific information of the service change.

Figure 1 shows a flow chart of this embodiment. As shown in FIG. 1, this embodiment implements MBMS. The method of business notification includes the following steps:

Step 11: The UTRAN sends the MBMS service change indication information and the specific information of the service change to the UE through the broadcast channel or other control channel on the MBMS carrier and the non-MBMS carrier.

Step 12: After receiving the MBMS service change indication information on the non-MBMS carrier, the UE further receives the specific information of the corresponding MBMS service change, and determines whether to switch to the MBMS carrier to receive the MBMS service.

For step 12, after receiving the MBMS service change indication information, the UE may also decide whether to switch to the MBMS carrier to receive the MBMS service, and if so, switch to the MBMS carrier to receive specific information about the change of the corresponding MBMS service; otherwise, The specific information of the corresponding MBMS service change is continuously received on the non-MBMS carrier.

After receiving the MBMS service change indication information, the UE may further decide whether to switch to the MBMS carrier to receive the MBMS service, and if yes, first switch to the MBMS carrier, and then receive the specific information of the corresponding MBMS service change on the MBMS. carrier. .

The decision in step 12 may be that the specific information of the MBMS service change received by the UE is determined to be the MBMS service that is required by itself or that it wants to receive. If yes, the UE is switched to the MBMS carrier to receive the corresponding MBMS service. Embodiment 2:

In this embodiment, the MBMS service indication information sent by the network side on the MBMS carrier and the non-MBMS carrier is the second indication information, that is, the MBMS service change indication information indicating which MBMS services are changed; the network side is on the MBMS carrier. The specific information of the MBMS service change is broadcasted on the non-MBMS carrier; the UE is on the MBMS carrier, and receives the service change indication information and the specific information of the service change.

The method for implementing the MBMS service notification in this embodiment includes the following steps:

Step 21: UTRAN broadcasts the message on the MBMS carrier and on the non-MBMS carrier The channel or other control channel sends the MBMS service change indication information and the specific information of the service change to the UE;

Step 22: After receiving the MBMS service change indication information on the MBMS carrier, the UE further receives the specific information of the corresponding MBMS service change, and then determines whether to receive the corresponding MBMS service.

The determining in step 22 may be that the UE determines whether it is the MBMS service that it needs or wants to receive according to the specific information of the received MBMS service change, and if yes, switches to the MBMS carrier to receive the corresponding MBMS service. Embodiment 3:

In this embodiment, the MBMS service indication information that is sent by the network side on the MBMS carrier and the non-MBMS carrier is the first indication information, that is, an indication that only the MBMS service changes, for example: only lbit is used to indicate that the service occurs. The change, instead of indicating which service changes, the UE may be informed that there is a change in the MBMS service after receiving the indication information; the network side sends the MBMS service change indication information and the MBMS service change on the MBMS carrier and the non-MBMS carrier. information.

In this embodiment, the UE may be on the MBMS carrier, or may be on the non-MBMS carrier. After receiving the MBMS service indication information, the UE may further receive related service change information, for example, receiving, indicating which MBMS services occur. The changed MBMS service change indication information and the specific information of the corresponding MBMS service change, or the specific information directly receiving the MBMS service change.

After receiving the specific information of the corresponding MBMS service change, it is determined whether to receive the corresponding MBMS service. If the corresponding MBMS service is received, then for the UE that is on the non-MBMS carrier, the UE first performs frequency switching, switches to the MBMS carrier, and then switches to the MBMS carrier. The MBMS service is received; for the UE that is on the MBMS carrier, the MBMS service can be directly received.

Here, the UE receives the MBMS service change indication information and the MBMS service change. The volume information may be received on the MBMS carrier or on the non-MBMS carrier. Embodiment 4:

In this embodiment, the MBMS service indication information that is sent by the network side on the MBMS carrier and the non-MBMS carrier is the first indication information, that is, an indication that only the MBMS service changes, for example: only lbit is used to indicate that the service occurs. The change, instead of indicating which service changes, the UE may be informed that the MBMS service changes after receiving the indication information; the network side sends the MBMS service change indication information on the MBMS carrier or the non-MBMS carrier; the UE is in the MBMS carrier and the non-MBMS carrier The specific information of the MBMS service change is sent on the MBMS carrier.

In this embodiment, the UE may be on the MBMS carrier, or may be on the non-MBMS carrier, and the UE receives the MBMS service indication information on the carrier frequency of the MBMS service change indication information. If necessary, the UE performs frequency switching first, from its own current The carrier frequency is switched to the transmission carrier frequency of the MBMS service change indication information, and then the MBMS service change indication information is received, that is, receiving an indication indicating which MBMS services have changed, and then receiving the specific information of the corresponding MBMS service change. Or the UE directly receives the specific information of the MBMS service change, and does not receive the MBMS service change indication information. After receiving the specific information of the corresponding MBMS service change, it is determined whether to receive the corresponding MBMS service. If the corresponding MBMS service is received, then for the UE that is on the non-MBMS carrier, the UE first performs frequency switching, and then switches to the MBMS carrier, and then Receiving the MBMS service; for the UE on the MBMS carrier, the MBMS service can be directly received.

Here, the UE receives the MBMS service change indication information on the MBMS carrier or the non-MBMS carrier; the specific information of the MBMS service change may be received on the MBMS carrier or may be received on the non-MBMS carrier. Embodiment 5: After receiving the MBMS service change indication information, the UE determines whether to further receive the specific information of the service change according to the needs of the UE, for example, the UE determines whether the changed MBMS service is the MBMS service that it wants to receive. If yes, proceed to step 12 or step 22 according to the carrier frequency at which the UE is currently located. Otherwise, the service notification process is terminated, the specific information of the service change is no longer received, and the corresponding MBMS service is not received on the MBMS carrier. .

Here, after receiving the MBMS service change indication information, the UE may also select according to the service priority of the MBMS service, and then determine whether it needs to further receive specific information of the service change. Example 6:

In the embodiment, the UE receives an MBMS service on the MBMS carrier, and the UE may not receive the MBMS service change indication information, that is, the UE does not need to know whether there is any The MBMS service changes, but directly receives specific information about changes in the MBMS service. Example 7:

In this embodiment, the MBMS service indication information sent by the network side on the MBMS carrier and the non-MBMS carrier is the second indication information, that is, the MBMS service change indication information indicating which MBMS services are changed; the network side is on the non-MBMS carrier. Transmitting specific information of MBMS service changes; the UE is on a non-MBMS carrier.

Step 71: The UTRAN sends the service change indication information on the MBMS carrier, and sends the MBMS service change indication information and the specific information of the service change to the UE through the broadcast channel or other control channel on the non-MBMS carrier.

Step 72: The UE receives the MBMS service change indication information on the non-MBMS carrier. After that, the specific information of the corresponding MBMS service change is further received, and it is decided whether to switch to the MBMS carrier to receive the MBMS service.

For step 72, after receiving the MBMS service change indication information, the UE may also decide whether to switch to the MBMS carrier to receive the MBMS service, and then receive specific information of the corresponding MBMS service change.

The determining in step 72 may be that the UE determines whether it is the MBMS service that it needs or wants to receive according to the specific information of the received MBMS service change, and if so, switches to the MBMS carrier. Example 8:

In this embodiment, the MBMS service indication information sent by the network side on the MBMS carrier and the non-MBMS carrier is the second indication information, that is, the MBMS service change indication information indicating which MBMS services are changed; the network side is on the non-MBMS carrier. Send specific information about MBMS service changes; the UE is on the MBMS carrier.

Step 81: The UTRAN sends the service change indication information on the MBMS carrier, and sends the MBMS service change indication information and the specific information of the service change to the UE through the broadcast channel or other control channel on the non-MBMS carrier.

Step 82: After receiving the MBMS service change indication information on the MBMS carrier, the UE switches to the non-MBMS carrier, further receives the specific information of the corresponding MBMS service change on the non-MBMS carrier, and then determines whether to receive the corresponding MBMS according to the requirement. business.

The determining in step 82 may be that the UE determines whether it is the MBMS service that it needs or wants to receive according to the specific information of the received MBMS service change, and if so, switches to the MBMS carrier. Example 9:

In this embodiment, the MBMS service indication information that is sent by the network side on the MBMS carrier and the non-MBMS carrier is the first indication information, that is, an indication that only the MBMS service changes, for example: only lbit is used to indicate that the service occurs. The change, instead of indicating which service changes, the UE may be informed that the MBMS service changes after receiving the indication information; the network side sends the MBMS service change indication information on both the MBMS carrier and the non-MBMS carrier; the network side is in the non-MBMS The specific information of the MBMS service change is sent on the carrier.

In this embodiment, after receiving the MBMS service indication information on the current carrier frequency, the ΌΈ further receives the MBMS service change indication information on the current carrier frequency, that is, receiving an indication indicating which services have changed, and then, The specific information of the corresponding MBMS service change is received on the non-MBMS carrier, and if necessary, the UE also performs frequency switching; or the UE directly receives the specific information of the MBMS service change on the non-MBMS carrier, and does not receive the MBMS service change indication information.

Here, the UE receiving the MBMS service change indication information may be received on the MBMS carrier, or may be received on the non-MBMS carrier; the specific information of the MBMS service change is received on the non-MBMS carrier. Example 10:

In this embodiment, the MBMS service indication information that is sent by the network side on the MBMS carrier and the non-MBMS carrier is the first indication information, that is, an indication that only the MBMS service changes, for example: only lbit is used to indicate that the service occurs. The change, instead of indicating which service changes, the UE may be informed that the MBMS service changes after receiving the indication information; the network side sends the MBMS service change indication information on the MBMS carrier or the non-MBMS carrier; the network side is on the non-MBMS carrier. Send specific information about MBMS service changes. In this embodiment, the UE may be on the MBMS carrier, or may be on the non-MBMS carrier, and the UE receives the MBMS service indication information on the carrier frequency of the MBMS service change indication information. If necessary, the UE performs frequency switching first, from its own current The carrier frequency is switched to the transmission carrier frequency of the MBMS service change indication information, and then the MBMS service change indication information is received, that is, receiving an indication indicating which services have changed, and then receiving the corresponding MBMS service change on the non-MBMS carrier. Specific information, if necessary, the UE also performs frequency switching; or the UE directly receives the specific information of the MBMS service change on the non-MGBMS carrier, and does not receive the MBMS service change indication information.

Here, the UE receives the MBMS service change indication information on the MBMS carrier or on the non-MBMS carrier; the specific information of the MBMS service change is received on the non-MBMS carrier. Example 11:

Based on the seventh embodiment to the tenth embodiment, the network side sends the service change indication information that explicitly indicates which MBMS services are changed. After receiving the MBMS service change indication information, the UE determines whether to further receive the specific information of the service change according to the needs of the user. For example, the UE determines whether the changed MBMS service is the MBMS service that it wants to receive, and if yes, continues to perform step 72 or step 82 according to the current carrier frequency of the UE, and if no, the process ends. , no longer receive specific information about service changes, nor receive the corresponding MBMS service on the MBMS carrier.

Here, after receiving the MBMS service change indication information, the UE may also select according to the service priority of the MBMS service, and then determine whether it needs to further receive the specific information of the service change, and if necessary, continue according to the current carrier frequency of the UE. Perform step 72 or step 82.

Example 12:

Based on Embodiment 8 to Embodiment 11, in this embodiment, the UE is on the MBMS carrier. After receiving the MBMS service, the UE may not receive the MBMS service change indication information, that is, the UE does not need to know whether the MBMS service changes, but directly receives the specific information of the MBMS service change.

In this embodiment, because the specific information of the MBMS service change is sent on the non-MBMS carrier, the UE may periodically or according to the event trigger to switch to the specific information of the MBMS service change on the non-MBMS carrier after receiving the current MBMS service. As for how the UE switches between different carrier frequencies belongs to the prior art, the event triggering may preset a corresponding event for informing the UE to switch to the MBMS carrier to receive information.

Example 13:

In this embodiment, the MBMS service indication information sent by the network side on the MBMS carrier and the non-MBMS carrier is the second indication information, that is, the MBMS service change indication information indicating which MBMS services are changed; the network side sends the MBMS carrier on the MBMS carrier. Specific information of the MBMS service change; the UE is on a non-MBMS carrier.

In this embodiment, the method for implementing the MBMS service notification includes the following steps: Step 131: The UTRAN sends the service change indication information on the non-MBMS carrier, and sends the MBMS service change indication information to the UE by using the broadcast channel or other control channel on the MBMS carrier. And specific information about business changes;

Step 132: After receiving the MBMS service change indication information on the non-MBMS carrier, the UE determines whether to switch to the MBMS carrier to receive the MBMS service. If yes, the UE switches to the MBMS carrier, and further receives the corresponding MBMS service on the MBMS carrier. Specific information about the change; otherwise, do nothing.

For step 132, if the UE can determine that the indicated MBMS service is what it wants to receive, then handover to the MBMS carrier; if the UE can determine that the indicated MBMS service is not what it wants to receive, then no action is performed; If the UE cannot determine whether the indicated MBMS service is self-willing to receive, it can also switch to the MBMS carrier to enter one. Steps: Receive specific information about the change of the MBMS service, and further determine whether to receive the indicated MBMS service according to the specific information of the MBMS service change.

Embodiment 14:

In this embodiment, the MBMS service indication information sent by the network side on the MBMS carrier and the non-MBMS carrier is the second indication information, that is, the MBMS service change indication information indicating which MBMS services are changed; the network side sends the MBMS carrier on the MBMS carrier. Specific information of the MBMS service change; the UE is on the MBMS carrier.

In this embodiment, the method for implementing the MBMS service notification includes the following steps: Step 141: The UTRAN sends the service change indication information on the non-MBMS carrier, and sends the MBMS service change indication information to the UE by using the broadcast channel or other control channel on the MBMS carrier. And specific information about business changes;

Step 142: After receiving the MBMS service change indication information on the MBMS carrier, the UE further receives the specific information of the MBMS service change on the MBMS carrier, and then determines whether to receive the corresponding MBMS service according to the need.

Example 15:

In this embodiment, the MBMS service indication information that is sent by the network side on the MBMS carrier and the non-MBMS carrier is the first indication information, that is, an indication that only the MBMS service changes, for example: only lbit is used to indicate that the service occurs. The change, instead of indicating which service changes, the UE may be informed that the MBMS service changes after receiving the indication information; the network side sends the MBMS service change indication information on both the MBMS carrier and the non-MBMS carrier; the network side is in the MBMS carrier. Send specific information about MBMS service changes.

In this embodiment, after receiving the MBMS service indication information on the current carrier frequency, the UE further receives the MBMS service change indication information on the current carrier frequency, that is, the following: Receiving an indication indicating which services have changed, and then receiving specific information of the corresponding MBMS service change on the MBMS carrier, and if necessary, performing frequency switching; or the UE directly receiving the specific information of the MBMS service change on the MBMS carrier, The MBMS service change indication information is not received.

Here, the UE receiving the MBMS service change indication information may be received on the MBMS carrier, or may be received on the non-MBMS carrier; the specific information of the MBMS service change is received on the MBMS carrier.

Example 16:

In this embodiment, the MBMS service indication information that is sent by the network side on the MBMS carrier and the non-MBMS carrier is the first indication information, that is, an indication that only the MBMS service changes, for example: only lbit is used to indicate that the service occurs. The change, instead of indicating which service changes, the UE may be informed that the MBMS service changes after receiving the indication information; the network side sends the MBMS service change indication information on the MBMS carrier or the non-MBMS carrier; the network side is on the MBMS carrier. Send specific information about MBMS service changes.

In this embodiment, the UE receives the MBMS service indication information on the carrier frequency of the MBMS service change indication information, and if necessary, the UE performs frequency switching, and switches from the current carrier frequency to the transmission of the MBMS service change indication information. On the frequency, the MBMS service change indication information is received, that is, receiving an indication indicating which services have changed, and then receiving specific information about the corresponding MBMS service change on the MBMS carrier, and if necessary, the UE also performs frequency switching; or UE The specific information of the MBMS service change is directly received on the MBMS carrier, and the MBMS service change indication information is not received.

Here, the UE receives the MBMS service change indication information on the MBMS carrier or on the non-MBMS carrier; the specific information of the MBMS service change is received on the MBMS carrier. Example 17:

Based on the thirteenth to the sixteenth embodiment, the network side sends the service change indication information that explicitly indicates which MBMS services are changed. After receiving the MBMS service change indication information, the UE determines whether to further receive the service change according to its own needs. Specific information, for example, the UE determines whether the changed MBMS service is the MBMS service that it wants to receive, and if yes, continues to perform step 132 or step 142 according to the current carrier frequency of the UE, otherwise, the process ends. The specific information of the service change is no longer received, and the corresponding MBMS service is not received on the MBMS carrier.

Here, after receiving the MBMS service change indication information, the UE may also select according to the service priority of the MBMS service, and then determine whether it needs to further receive the specific information of the service change, and if necessary, continue according to the current carrier frequency of the UE. Perform step 132 or step 142. Example 18:

In the embodiment, the UE receives an MBMS service on the MBMS carrier, and the UE may not receive the MBMS service change indication information, that is, the UE does not need to know. Whether there is a change in the MBMS service, but directly receiving specific information on changes in the MBMS service.

In the practical application of the present invention, there may be some special implementations, for example, the network side broadcasts specific information of the MBMS service change only on the MBMS carrier and the non-MBMS carrier, and does not broadcast the service change indication information. In this case, the UE directly receives the specific information of the MBMS service change from the MBMS carrier or the non-MBMS carrier, and receives the corresponding MBMS service according to the received specific information. For example, when a UE is on a non-MBMS carrier, if the UTRAN broadcasts the MBMS service change indication information only on the MBMS carrier, and only broadcasts the specific information of the MBMS service change on the non-MBMS carrier, the UE may be periodic, Or triggering switching to receive on the MBMS carrier according to the event. The MBMS service change indication information is switched back to the specific information of the MBMS service change received on the non-MBMS carrier. As for how the UE switches between different carrier frequencies, the event may be preset according to the event trigger. The UE is notified to switch to receiving information on the MBMS carrier.

The present invention also proposes a system and apparatus for implementing broadcast multicast service notification for a method of implementing broadcast multicast service notification.

FIG. 2 is a schematic diagram showing the basic structure of a system for implementing broadcast multicast service notification according to the present invention. As shown in FIG. 3, the system includes a network side subsystem 201 and a UE 202.

The network side subsystem 201 includes a sending unit 2011, configured to send BM service indication information on the BM carrier and the non-BM carrier. The BM service indication information described herein may be an indication indicating whether there is a change in the BM service, or may be a BM service change indication information including which BM services have changed.

In addition, in actual applications, the sending unit 2011 is further configured to send BM service change specific information on the BM carrier and/or the non-BM carrier.

The UE 302 includes a receiving unit 2021, configured to receive specific information of the BM service change on the transmitting carrier of the BM service change specific information. In an actual application, the receiving unit 2021 is further configured to receive the BM service indication information from the BM carrier or the non-BM carrier.

When the broadcast multicast service notification needs to be implemented, the network side subsystem 201 sends the BM service indication information on the BM carrier and the non-BM carrier through the sending unit 2011. The BM service indication information described herein may only indicate whether the BM service occurs. The indication of the change may also be the BM service change indication information including which BM services have changed. Thereafter, the network side subsystem 201 transmits the BM service change specific information from the BM carrier or the non-BM carrier through the transmitting unit 2011. The UE 202 may be on the BM carrier or may be on the non-BM carrier. The UE 202 may receive the BM service indication information through the self receiving unit 2021, or may not receive the BM service indication information, and receive from the BM carrier or the non-BM carrier. BM business changes specific information.

Fig. 3 is a view showing the basic structure of the network side subsystem in the present invention. As shown in FIG. 3, the network side subsystem 201 includes a sending unit 2011, and its structure and function are the same as those of the network side subsystem described in FIG. 2, and details are not described herein again.

Fig. 4 is a diagram showing the basic structure of a UE in the present invention. As shown in FIG. 4, the UE 202 includes a receiving unit 2021, and its structure and function are the same as those of the UE described in FIG. 2, and details are not described herein.

The method of the present invention can be applied to mobile communication systems such as WCDMA, CDMA2000, UTRA TDD, and TD-SCDMA, and various subsequent evolved networks thereof. The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. The scope of protection of the invention.

Claims

Claim

A method for implementing a broadcast multicast service notification, which is applicable to a system for carrying a broadcast multicast BM service by using a single carrier, wherein the method includes:

2. The method according to claim 1, wherein the network side transmits specific information of the BM service change on the BM carrier and the non-BM carrier, and the UE is on the non-BM carrier, and the UE receives in step b. The specific information of the BM service change is: the UE receives the specific information of the BM service change from the non-BM carrier;

The method according to claim 1, wherein the network side transmits the specific information of the BM service change only on the non-BM carrier, and the UE is on the non-BM carrier, and the UE receives the BM service change in step b. The specific information is: the UE receives specific information about the change of the BM service from the non-BM carrier;

Or, the network side only sends the BM service change specific information on the BM carrier, and the UE is on the BM carrier, and the specific information that the UE receives the BM service change in the step b is: the UE receives the BM service change from the BM carrier. specific information.

The method according to claim 1, wherein the network side transmits specific information of the BM service change only on the non-BM carrier, and the UE is on the BM carrier;

Then, the specific information that the UE receives the BM service change in the step b is: the UE switches from the BM carrier to the non-BM carrier, and receives the specific message of the BM service change on the non-BM carrier. If

The method according to claim 1, wherein the network side transmits specific information of the service change only on the ΒΜ carrier wave, and the UE is on the non-ΒΜ carrier;

Then, the specific information that the UE receives the ΒΜ service change in the step b is: the UE switches from the non-BM carrier to the BM carrier, and receives the specific information of the BM service change on the BM carrier.

The method according to any one of claims 1 to 5, wherein the BM service indication information sent by the network side in step a is: indicating only whether there is an indication that the BM service changes;

The method according to claim 6, wherein the step a and the step b further comprise: receiving, by the UE, the BM service change indication information;

9. The method of claim 8 wherein:

The step a and the step b further include: receiving, by the UE, the BM service change indication information;

10. Method according to any one of claims 1 to 5, characterized in that step a The BM service indication information in the BM service indication is: BM service change indication indicating which BM services are changed.

The method according to any one of claims 1 to 5, wherein the BM service indication information in step a is: a BM service change indication indicating which BM services have changed;

The method between the step a and the step b further includes: the UE determining, according to the received BM service change indication information, that the BM service is the BM service to be received by itself, and continuing to perform step b.

The method according to any one of claims 1 to 5, wherein after the step b, the method further comprises: the UE according to the specific information of the received BM service change and the BM service and the non-BM service. The requirement determines whether the BM service is received on the BM carrier.

The method according to any one of claims 1 to 5, wherein the BM service is a multimedia broadcast/multicast service MBMS service, and the BM carrier and the non-BM carrier are respectively an MBMS carrier and a non-MBMS carrier. The BM service indication information is MBMS service indication information; and the BM service change specific information is MBMS service change specific information.

A method for implementing a broadcast multicast service notification, which is applicable to a system for carrying a BM service by using a single carrier, wherein the method includes:

a. The network side sends the BM service change indication message b on the BM carrier and the non-BM carrier. The UE receives the specific information of the BM service change on the transmitting carrier of the BM service change specific information.

The method according to claim 14, wherein after the step b', the method further comprises: the UE according to the specific information of the received BM service change and itself The demand for the BM service and the non-BM service determines whether the BM service is received on the BM carrier.

The method according to claim 14, wherein the BM service is an MBMS service, the BM carrier and the non-BM carrier are MBMS carriers and non-MBMS carriers; and the BM service change indication information is an MBMS service change. The indication information; the specific information of the BM service change is specific information of the MBMS service change.

A method for transmitting a broadcast multicast service notification, which is applicable to a system for carrying a broadcast multicast BM service by using a single carrier, wherein the method is:

The network side transmitting BM transmits the BM service indication information on the BM carrier and the non-BM carrier.

The method according to claim 17, wherein after the network side sends the BM service indication information, the method further includes:

The network side sends a specific message of BM service change on the BM. carrier and / or non-BM carrier.

A method for receiving a broadcast multicast service notification, which is applicable to a system for carrying a broadcast multicast BM service by using a single carrier, wherein the method is:

The UE receives specific information about the change of the BM service.

The method according to claim 19, wherein before the UE receives the specific information of the BM service change, the method further includes:

The UE receives the BM service indication information from the BM carrier or the non-BM carrier, and receives the specific information of the BM service change according to the BM service indication information.

A system for implementing broadcast multicast service notification, which is applicable to a broadcast carrier multicast BM service, where the system includes a network side subsystem and a UE, wherein the network side subsystem further includes a sending unit. For transmitting BM service indication information on the BM carrier and the non-BM carrier;

The UE further includes a receiving unit, configured to send specific information in the BM service. The specific information of the BM service change received on the carrier.

22. The system of claim 21, wherein the transmitting unit is further configured to transmit BM service change specific information on the BM carrier and/or the non-BM carrier.

The system according to claim 21, wherein the receiving unit is further configured to receive BM service indication information from a BM carrier or a non-BM carrier.

A network side subsystem for transmitting a broadcast multicast service notification, characterized in that the network side subsystem further comprises a sending unit, configured to send BM service indication information on the BM carrier and the non-BM carrier.

The network side subsystem according to claim 24, wherein the sending unit is further configured to: send a BM service change specific information on the BM carrier or the non-BM carrier.

A user terminal that receives a broadcast multicast service notification, wherein the user terminal further includes a receiving unit, configured to receive specific information of the BM service change on the BM carrier or the non-BM carrier.

The user terminal according to claim 26, wherein the receiving unit is further configured to receive BM service indication information on a BM or a non-BM carrier.

28. An apparatus for transmitting a broadcast multicast service notification, the apparatus for transmitting BM service indication information on a BM carrier and a non-BM carrier.

The apparatus according to claim 28, wherein the apparatus is further configured to transmit BM service change specific information on the BM carrier and/or the non-BM carrier.

30. An apparatus for receiving a broadcast multicast service notification, the apparatus, configured to receive specific information of a BM service change on a BM carrier or a non-BM carrier.