WO2008028417A1

WO2008028417A1 - Method and system for sending mbms and choosing device

Info

Publication number: WO2008028417A1
Application number: PCT/CN2007/070385
Authority: WO
Inventors: Hao Hu
Original assignee: Huawei Technologies Co., Ltd.
Priority date: 2006-07-28
Filing date: 2007-07-30
Publication date: 2008-03-13
Also published as: CN101114921B; CN101114921A

Abstract

A method and a system for sending the multimedia broadcast-multicast service(MBMS) and a choosing device, in which, the method includes: distributing the down carrier frequency additionally as MBMS carrier frequency carrying MBMS service which is independent of the non-MBMS carrier frequency; choosing sending the MBMS service on the MBMS carrier frequency or the non-MBMS carrier frequency in accordance with the service attribute of the MBMS service or the using status of the current non-MBMS carrier frequency.

Description

Method, system and selection for transmitting multimedia broadcast/multicast service business

TECHNICAL FIELD The present invention relates to Multimedia Broadcast/Multicast Service (MBMS) technology, and more particularly to a method, system and an option for transmitting a multimedia broadcast/multicast service. Background of the invention

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, Cell Broadcast Service) 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, television broadcasts, video conferencing, online education, interactive games, and the like. Compared with general data services, these mobile multimedia services have the characteristics of 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 because mobile communication networks have specific network structures, functional entities, and wireless interfaces, all of which are related to wired communication IP networks. different.

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

In the prior art, the method for sending an MBMS service is mainly as follows: The access network concentrates a user terminal that receives an MBMS service to a certain frequency, and uses the frequency as a transmission carrier frequency of the MBMS service, and then sends the carrier frequency by using the carrier frequency. MBMS services to each user terminal. In the existing method, the carrier frequency used to transmit the MBMS service is the current WCDMA carrier frequency.

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 service providers (SPs) increases, the number of MBMS services will continue to increase. At present, when transmitting the MBMS service, the current WCDMA resources are used, that is, the existing transport channel and the physical channel are used. In this paper, the current WCDMA carrier frequency for transmitting the MBMS service is referred to as a non-MBMS carrier frequency. The current way of transmitting MBMS services using non-MBMS carrier frequencies makes MBMS occupy a large amount of existing radio resources, which greatly affects the transmission of existing non-MBMS services. Summary of the invention

The embodiment of the invention provides a method for transmitting a multimedia MBMS service, so as to implement the MBMS service without affecting the transmission of the existing non-MBMS service.

The embodiment of the invention further provides a system for transmitting a multimedia MBMS service, so as to facilitate the transmission of the MBMS service without affecting the transmission of the existing non-MBMS service.

The embodiment of the invention further provides a selection device, so as to achieve the transmission of the MBMS service without affecting the transmission of the existing non-MBMS service.

A method for transmitting a MBMS service of a multimedia broadcast/multicast service, the method comprising: additionally allocating a downlink carrier independent of a non-MBMS carrier frequency as a carrier of the MBMS service

MBMS carrier frequency; According to the service attribute of the MBMS service, the MBMS service is selected to be sent on the MBMS carrier frequency or the non-MBMS carrier frequency.

A method of transmitting a multimedia MBMS service, the method comprising:

Additional allocation of downlink carriers independent of non-MBMS carrier frequency as 7|loaded MBMS service

MBMS carrier frequency;

According to the current non-MBMS carrier frequency, choose to send MBMS service on MBMS carrier frequency or non-MBMS carrier frequency.

A system for transmitting a multimedia MBMS service, the system comprising: a receiving unit, a selecting unit, and a sending unit;

a receiving unit, configured to receive the MBMS service that needs to be delivered, and provide the received MBMS service to the selecting unit;

a selecting unit, configured to receive an MBMS service provided by the receiving unit, and select an additionally allocated MBMS carrier frequency or a non-MBMS carrier frequency independent of a non-MBMS carrier frequency according to an attribute of the MBMS service, and select the MBMS service and The selection result is provided to the sending unit;

And a sending unit, configured to receive the MBMS service and the selection result provided by the selecting unit, and send the MBMS service on the non-MBMS carrier frequency or the additionally allocated MBMS carrier frequency independent of the non-MBMS carrier frequency according to the selection result.

a selecting unit, configured to receive an MBMS service provided by the receiving unit, and select an additionally allocated MBMS carrier frequency or a non-MBMS carrier frequency independent of a non-MBMS carrier frequency according to a current usage status of the non-MBMS carrier frequency, and MBMS business and selection results are provided to Sending unit

a sending unit, configured to receive the MBMS service and the selection result provided by the selecting unit, and according to the selection result, the MBMS service is in a non-MBMS carrier frequency or an additional allocation independent of the non-MBMS

The MBMS carrier frequency is transmitted on the MBMS carrier frequency.

a selection device, the selection device includes: an information acquisition unit and a carrier frequency selection unit; and the information acquisition unit is configured to acquire an attribute of the MBMS service;

The carrier frequency selection unit is configured to select, according to an attribute of the MBMS service acquired by the information acquiring unit, a carrier frequency used for sending the MBMS service to be an MBMS carrier frequency or a non-MBMS carrier frequency;

The MBMS carrier frequency is an additional downlink carrier that is independent of the non-MBMS carrier frequency for carrying the MBMS service.

a selection device, the selection device includes: an information acquisition unit and a carrier frequency selection unit; the information acquisition unit is configured to acquire a current usage status of the non-MBMS resource; the carrier frequency selection unit is configured to use the current non-MB The MBMS resource is used to transmit the carrier frequency used by the MBMS service to the MBMS carrier frequency or the non-MBMS carrier frequency. The MBMS carrier frequency is a separately allocated downlink carrier for carrying the MBMS service.

It can be seen from the foregoing technical solutions that the method, the system, and the selecting device provided by the embodiments of the present invention additionally allocate a downlink carrier that is independent of the non-MBMS carrier frequency as the MBMS carrier frequency of the MBMS service, and selects the MBMS payload according to the attributes of the MBMS service. The MBMS service is transmitted on a frequency or non-MBMS carrier frequency. The embodiment of the invention further provides a method, a system and a selection device, which additionally allocates a downlink carrier independent of the non-MBMS carrier frequency as the MBMS carrier frequency of the MBMS service, and selects the carrier frequency in the MBMS according to the current usage status of the non-MBMS carrier frequency. The MBMS service is sent on a non-MBMS carrier frequency. Instead of all MBMS services and non-MBMS services, the existing non-MBMS service carrier frequency is used. Thereby, the impact of the MBMS service on the current non-MBMS service transmission is reduced, and the occupation of the existing non-MBMS carrier frequency by the MBMS service is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

1 is a flowchart of a method for transmitting a multimedia MBMS service according to an embodiment of the present invention; FIG. 2 is a schematic structural diagram of a system for transmitting a multimedia MBMS service according to an embodiment of the present invention; FIG. 3 is a schematic structural diagram of a selection device according to an embodiment of the present invention; . Mode for carrying out the invention

The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

The method provided by the embodiment of the present invention may include: additionally allocating a downlink carrier independent of the non-MBMS carrier frequency as the MBMS carrier frequency carrying the MBMS service; and selecting, by the network side, the service attribute of the MBMS service or the current non-MBMS carrier frequency usage status, The MBMS service is transmitted on the MBMS carrier frequency or the non-MBMS carrier frequency.

Among them, the selection rule of selecting the carrier frequency can be selected according to the preset setting carrier frequency on the MBMS carrier frequency or the non-MBMS carrier frequency. The implementation rule may be a dynamic selection policy, which corresponds to the dynamic mode in the following embodiments. When the network side selects according to the service attribute of the MBMS service, the implementation rule may also be a preset service attribute and a carrier frequency. Correspondence, which corresponds to the static mode in the following embodiments.

1 is a flowchart of a method according to an embodiment of the present invention, including the following steps: Step 100: Assign a downlink carrier to an MBMS service as an MBMS carrier frequency carrying an MBMS service.

In this embodiment, as an example, a downlink carrier is allocated for the MBMS service, and multiple downlink carriers may be allocated for the MBMS service as the MBMS carrier frequency for carrying the MBMS service. In order to reduce the burden of the existing system resources, that is, the non-MBMS carrier frequency, and to facilitate the efficient use of resources of the system, this step allocates a downlink carrier independent of the non-MBMS carrier for the MBMS service as the MBMS carrier frequency for carrying the MBMS service. In this way, the impact of the MBMS service on the current non-MBMS service transmission is minimized, and the occupation of the existing non-MBMS carrier frequency by the MBMS service is reduced.

The so-called allocation is to specify one or more segments of carrier frequency dedicated to sending MBMS services. Step 101: The network side selects to send the MBMS service on the MBMS carrier frequency or the non-MBMS carrier frequency according to the service attribute of the MBMS service and/or the current non-MBMS carrier frequency usage status.

The service attributes may include one or any combination of the duration of the MBMS service, the amount of data transmitted by the MBMS service, the priority characteristic of the MBMS service, the delay requirement, the service type, and the Qos attribute of the MBMS service.

When the carrier frequency mode is selected according to the service attributes of the MBMS service, the specific implementation includes dynamic and static modes:

(1) Dynamic mode: The principle of selecting the carrier frequency mode is: The network side selects the carrier frequency in the MBMS according to the service attribute of the MBMS service according to the preset selection policy. If the service attribute of the current MBMS service needs to be transmitted by the MBMS carrier frequency. The MBMS service is sent on; otherwise, the MBMS service is selected to be sent on the non-MBMS carrier frequency. Specifically, the core network selects a carrier frequency for the MBMS service according to a service attribute of the MBMS service according to a preset selection policy, and then sends the selected carrier frequency information to the access network, and the access network selects a carrier frequency. Send the MBMS service;

Alternatively, the access network receives the MBMS service start indication from the core network, according to the service attributes of the MBMS service carried in the indication, such as the service type, the amount of data transmitted by the service, the duration of the service, the priority characteristic, and the service Qos attribute, etc., the access network selects a carrier frequency for the MBMS service according to a preset selection policy, and selects a carrier frequency Send the MBMS service.

The selection strategy is a decision to select the appropriate carrier frequency for the MBMS service after considering the business attributes of the MBMS service. For example, if the duration of the MBMS service is short, the MBMS service can be sent through the non-MBMS carrier frequency; for example, the MBMS service has a longer duration, but the amount of data transmitted by the MBMS service is small, and the The MBMS service is transmitted by the non-MBMS carrier frequency; for example, if the priority characteristic of the MBMS service is high priority, the MBMS service can be transmitted through the MBMS carrier frequency, and the like. It should be noted that the selection strategy can utilize a service attribute of the MBMS service or any combination of all service attributes to select a carrier frequency.

(2) The static mode, the principle of selecting the carrier frequency mode is: The correspondence between the MBMS service of different service attributes and the transmission carrier frequency information is preset in the network side, and the network side selects the correspondence according to the service attribute of the current MBMS service. The carrier frequency information corresponding to the service attribute of the current MBMS service is selected to be sent on the MBMS carrier frequency if the carrier frequency information is the MBMS carrier frequency; otherwise, the MBMS service is selected to be sent on the non-MBMS carrier frequency. Specifically include:

In the core network, the correspondence between the MBMS service and the transmission carrier information of different service attributes is set in advance. When an MBMS service arrives, the core network selects carrier frequency information corresponding to the service attribute according to the service attribute of the current MBMS service. The carrier frequency information is carried in the MBMS service start indication and sent to the access network, and the access network sends the MBMS service according to the carrier frequency corresponding to the received carrier frequency information;

Or, in the access network, the correspondence between the MBMS service and the transmission carrier frequency information of different service attributes is preset, and after the access network receives the MBMS service start indication from the core network, the service according to the MBMS service carried in the indication Attribute, selecting carrier frequency information corresponding to the service attribute, and transmitting the MBMS service on the carrier frequency corresponding to the carrier frequency information.

It should be noted that the MBMS service of different service attributes and the pair of carrier frequency information are transmitted. In the relationship, a service attribute of the MBMS service or any combination of all service attributes may be utilized to correspond to different carrier frequency information.

In the above dynamic mode and static mode, when the selection of the carrier frequency is implemented by the access network, the access network may further store carrier frequency information currently used corresponding to a certain type of MBMS service, that is, MBMS carrier frequency or non-MBMS. The information of the carrier frequency, such that, when the type of the MBMS service needs to be sent next time, before the access network selects to send the carrier frequency, the access network further includes: the access network determines whether it stores the carrier frequency information corresponding to the current MBMS service, if the storage If yes, the stored carrier frequency is used to transmit the MBMS service; otherwise, the process of selecting the carrier frequency is continued.

In addition, the access network may also select to send the MBMS service on the MBMS carrier frequency or the non-MBMS carrier frequency according to the current non-MBMS frequency resource usage situation. For example, if the current available non-MBMS frequency resource of the access network is rich, The MBMS service can be sent over a non-MBMS carrier frequency. Moreover, the selection of the carrier frequency according to the service attribute and the selection of the carrier frequency according to the current non-MBMS frequency resource usage may be two independent use modes, or may be a cross-use manner. The following is an example to illustrate the case where the two modes are used interchangeably. For example, the result of selecting the service attribute according to the MBMS service is to use the MBMS carrier frequency to transmit the MBMS service. However, the access network uses the current non-MBMS frequency resource. The result of the selection is to use the non-MBMS carrier frequency to send the MBMS service. At this time, the final selection can be made according to the preset priority. For example, if the current non-MBMS frequency resource usage is selected, the priority is higher. The method of the present invention will be specifically described below by just a few examples.

In the first embodiment, the access network dynamically selects a carrier frequency mode according to the service attribute of the MBMS service.

The core network sends an MBMS service start indication to the access network, and the access network according to the indication Carrying the service attribute of the MBMS service, if the duration of the service is short, selecting to send the MBMS service on the current non-MBMS carrier frequency according to a preset selection policy; otherwise, sending the MBMS on the MBMS carrier frequency business.

If the MBMS service is selected to be sent on the non-MBMS carrier frequency, the non-MBMS carrier frequency can be further selected for transmission. The implementation method belongs to the prior art and will not be described in detail herein.

In the second embodiment, the core network dynamically selects a carrier frequency mode according to the service attribute of the MBMS service.

According to the service type of the MBMS service and the amount of data transmitted by the service, if the MBMS service has a long duration, but the amount of data transmitted each time is small, the current non-MBMS is selected according to a preset selection policy. The MBMS service is transmitted on the frequency; otherwise, the MBMS service is sent on the MBMS carrier frequency; the carrier network carrying the carrier information of the MBMS service is carried in the MBMS service start indication and sent to the access network, and the access network receives the received The carrier frequency corresponding to the carrier frequency information transmits the current MBMS service.

In addition, after receiving the carrier frequency information from the core network, the access network may further select the carrier mode and then send the current MBMS service according to the reselected carrier frequency according to the service attribute of the MBMS service carried in the MBMS service start indication.

In the third embodiment, the access network selects a carrier frequency mode according to its current resource situation.

The access network receives the MBMS service start indication sent by the core network, and according to the usage of the current frequency resource, if there is no MBMS carrier frequency resource, then the current MBMS service is selected to be sent on the current non-MBMS carrier frequency; otherwise, The current MBMS service is sent on the MBMS carrier frequency.

The method in this embodiment may also be a method further included after the core network or the access network selects a carrier frequency mode according to the service attribute of the current MBMS service. For example, the result of selecting the service attribute according to the MBMS service is to use the MBMS carrier frequency to transmit the MBMS service, however, the access network selects the knot according to the current non-MBMS frequency resource usage. If the non-MBMS carrier frequency is used to transmit the MBMS service, at this time, the final selection may be made according to the preset priority. For example, if the priority of the selection according to the current non-MBMS frequency resource usage is higher, then The specific carrier frequency used is selected according to the usage of the non-MBMS frequency resource.

In the fourth embodiment, the core network statically selects the carrier frequency mode.

In the core network, the correspondence between the MBMS service and the transmission carrier frequency information of different service attributes is preset. When the MBMS arrives, the core network according to the service attribute of the current MBMS service, if the duration of the service is short, the The carrier frequency information corresponding to the short duration is selected in the set correspondence relationship, and the carrier frequency information is carried in the MBMS service start indication and sent to the access network, and the access network corresponds to the received carrier frequency information. The MBMS service is transmitted frequently.

The present invention also provides a system for transmitting a multimedia MBMS service. As shown in FIG. 2, the system includes: a receiving unit 201, a selecting unit 202, and a sending unit 203. The receiving unit 201 is configured to receive an MBMS service that needs to be delivered. And providing the received MBMS service to the selection unit 202;

The selecting unit 202 is configured to receive the MBMS service provided by the receiving unit 201, and select an additionally allocated MBMS carrier frequency or non-MBMS carrier frequency independent of the non-MBMS carrier frequency according to the attribute of the MBMS service or the current non-MBMS carrier frequency usage status. MBMS carrier frequency, and the MBMS service and selection result is provided to the sending unit 203;

The sending unit 203 is configured to receive the MBMS service and the selection result provided by the selecting unit, and select the result, and send the MBMS service on the non-MBMS carrier frequency or the additionally allocated MBMS carrier frequency independent of the non-MBMS carrier frequency.

The system may further include an allocating unit 200 for additionally allocating a downlink carrier independent of the non-MBMS carrier frequency as the MBMS carrier frequency carrying the MBMS service.

The system may further include: a storage unit 210, configured to store the selected MBMS carrier frequency or Implementation rules for non-MBMS carrier frequencies;

The selecting unit 202 is further configured to obtain, from the storage unit 210, an implementation rule for selecting an MBMS carrier frequency or a non-MBMS carrier frequency, where the implementation rule performs the operation of selecting an MBMS carrier frequency or a non-MBMS carrier frequency;

The storage unit 210 may include: a selection policy storage unit 204 and/or a first correspondence storage unit 205;

a selection policy storage unit 204, configured to store a selection strategy for selecting an MBMS carrier frequency or a non-MBMS carrier frequency;

The first correspondence storage unit 205 is configured to store a correspondence between different service attributes of the MBMS service and a transmission carrier frequency.

The selecting unit 202 is further configured to obtain, from the selection policy storage unit 204, a selection policy for selecting an MBMS carrier frequency or a non-MBMS carrier frequency, and performing the operation of selecting the MBMS carrier frequency or the non-MBMS carrier frequency according to the selection policy; The first correspondence relationship storage unit 205 acquires a correspondence between different service attributes and a transmission carrier frequency, and performs an operation of selecting the MBMS carrier frequency or the non-MBMS carrier frequency according to the correspondence relationship.

The system may further include: a second correspondence storage unit 206, configured to store, according to the selection of the selection unit 202, a correspondence between a service type of the MBMS service and a transmission carrier frequency;

The selecting unit 202 is further configured to obtain, from the second correspondence storage unit 206, a correspondence between the service type and the transmission carrier frequency, and perform the operation of selecting the MBMS carrier frequency or the non-MBMS carrier frequency according to the correspondence relationship.

The selection unit 202 may be disposed in a core network, such as a serving GPRS support point (SGSN) located in a core network, or may be disposed in an access network, such as a radio network controller (RNC) located in an access network or Base station NodeB, etc.

FIG. 3 is a schematic structural diagram of a selection device according to an embodiment of the present invention, as shown in FIG. 3, The selection device may include: an information acquisition unit 301 and a carrier frequency selection unit 302;

The information obtaining unit 301 is configured to acquire an attribute of the MBMS service or obtain a usage status of the current non-MBMS carrier frequency;

The carrier frequency selection unit 302 is configured to select, according to the attribute of the MBMS service acquired by the information acquiring unit 301 or the usage status of the current non-MBMS carrier frequency, the carrier frequency used for transmitting the MBMS service to be the MBMS carrier frequency or the non-MBMS. Carrier frequency

The MBMS carrier frequency is an additionally allocated downlink carrier independent of the non-MBMS carrier frequency for carrying the MBMS service.

The selection device may further include: a storage unit 310, configured to store an implementation rule for selecting an MBMS carrier frequency or a non-MBMS carrier frequency, and providing the implementation rule to the carrier frequency selection unit 302;

The carrier frequency selection unit 302 is further configured to obtain an implementation rule for selecting an MBMS carrier frequency or a non-MBMS carrier frequency from the storage unit 310, and perform the operation of selecting the MBMS carrier frequency or the non-MBMS carrier frequency according to the implementation rule.

The storage unit 310 may include: a selection policy storage unit 303 and/or a first corresponding relationship storage unit 304,

a selection policy storage unit 303, configured to store a selection policy of selecting an MBMS carrier frequency or a non-MBMS carrier frequency, and providing the selection strategy to the carrier frequency selection unit 302;

The carrier frequency selection unit 302 is further configured to obtain a selection policy from the selection policy storage unit 303, and perform the operation of selecting the MBMS carrier frequency or the non-MBMS carrier frequency according to the selection policy.

The selecting device may further include: a first correspondence storage unit 304, configured to store a correspondence between different service attributes of the MBMS service and a sending carrier frequency;

The carrier frequency selection unit 302 is further configured to acquire the correspondence relationship from the first correspondence relationship storage unit 304, and perform the selecting the MBMS carrier frequency or the non-MBMS carrier frequency according to the correspondence relationship. Operation.

The selecting device may further include: a second correspondence storage unit 305, configured to store, according to the selection of the carrier frequency selecting unit 302, a correspondence between a service type of the MBMS service and a sending carrier frequency;

The carrier frequency selection unit 302 is further configured to obtain a correspondence between the MBMS service type and the transmission carrier frequency stored in the second correspondence storage unit 305, and perform the selection of the MBMS carrier frequency or the non-MBMS according to the correspondence relationship. Frequency operation.

It can be seen from the foregoing technical solutions that the method and system and the selecting device provided by the embodiments of the present invention additionally allocate a downlink carrier independent of the non-MBMS carrier frequency as the MBMS carrier frequency of the MBMS service, according to the attributes of the MBMS service or the current non-MBMS For the frequency usage, the MBMS service is selected to be transmitted on the MBMS carrier frequency or the non-MBMS carrier frequency. Rather than using all existing MBMS services and non-MBMS services, the existing non-MBMS service carrier frequency is used, which reduces the impact of the MBMS service on the current non-MBMS service transmission, and reduces the occupation of the existing non-MBMS carrier frequency by the MBMS service.

Further, in the prior art, all MBMS services and non-MBMS services use existing non-MBMS service carrier frequencies. Since the frequencies of MBMS services and non-MBMS services are different, user terminals receive different services on non-MBMS carrier frequencies. When the receiving frequency is frequently switched according to the service, the method, the system and the selecting device provided by the embodiments of the present invention allocate a separate MBMS carrier frequency for the MBMS service, and reduce the user terminal in the MBMS carrier frequency and the non-MBMS carrier. The frequency of switching between frequencies.

Further, in the prior art, all the MBMS services and the non-MBMS services use the existing non-MBMS service carrier frequency, because the priority of the non-MBMS service set in general is higher than the priority of the non-MBMS service. Therefore, when the current non-MBMS resources are insufficient, the non-MBMS service transmission is preferentially performed, so that the MBMS service that is simultaneously transmitted is reduced, and the method and system provided by the embodiment of the present invention are MBMS. The service allocates the MBMS carrier frequency separately, and can use the current non-MBMS resource usage status, and selects to use the MBMS carrier frequency or the non-MBMS carrier frequency, which satisfies the requirement of providing a large number of MBMS services at the same time.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modifications, equivalents, improvements, etc., which are made within the spirit and principles of the present invention, should be included. It is within the scope of the invention.

Claims

Claim

A method for transmitting a multimedia broadcast/multicast service MBMS service, the method comprising:

Additional allocation of downlink carriers independent of the non-MBMS carrier frequency as the MBMS carrier frequency of the 7|MBMS service;

According to the service attributes of the MBMS service, the MBMS service is selected to be transmitted on the MBMS carrier frequency or the non-MBMS carrier frequency.

2. The method according to claim 1, wherein the method further comprises: presetting an implementation rule for selecting a carrier frequency;

According to the service attribute of the MBMS service, selecting to send the MBMS service on the MBMS carrier frequency or the non-MBMS carrier frequency is: according to the service attribute of the MBMS service, according to the preset implementation carrier frequency selection rule, selecting the carrier frequency in the MBMS Or send the MBMS service on the non-MBMS carrier frequency.

The method according to claim 2, wherein the implementation rule of the selected carrier frequency is a correspondence between a dynamic selection policy or a service attribute and a transmission carrier frequency information.

The method according to claim 1, wherein the selecting to send the MBMS service on the MBMS carrier frequency or the non-MBMS carrier frequency according to the attribute of the MBMS service includes:

The core network selects the MBMS carrier frequency or the non-MBMS carrier frequency according to the attributes of the MBMS service, and sends the selected carrier frequency information to the access network, and the access network transmits the MBMS service on the selected carrier frequency.

The method according to claim 1, wherein the transmitting the MBMS service on the MBMS carrier frequency or the non-MBMS carrier frequency according to the attribute of the MBMS service comprises: sending, by the core network, the MBMS to the access network Service attribute of the service; access network according to the The service attribute of the MBMS service is selected to transmit the MBMS service on the MBMS carrier frequency or the non-MBMS carrier frequency.

The method according to claim 5, further comprising: the access network storing carrier frequency information used by the transmitted MBMS service;

Before the access network is selected, the method further includes: determining, by the access network, whether carrier frequency information corresponding to the MBMS service is stored, and if yes, transmitting the MBMS service by using a stored carrier frequency; The steps of the selection are continued.

The method according to claim 1, wherein the service attribute comprises: a duration of an MBMS service, a data volume of an MBMS service, a priority characteristic of an MBMS service, a delay requirement, a service type, and an MBMS service. One or any combination of the quality of service Qos attributes.

The method according to claim 1, wherein the method further comprises: selecting, by the access network, the resource usage status of the current non-MBMS carrier frequency, and selecting according to the MBMS service attribute selection and the non-MBMS carrier frequency resource usage status. Priority, choose to send the MBMS service on the MBMS carrier frequency or non-MBMS carrier frequency; specifically:

If the access network determines that the priority selected according to the non-MBMS carrier frequency resource usage status is high, and the current non-MBMS carrier frequency resources are sufficient, then the MBMS service is selected to be sent on the non-MBMS carrier frequency; if the access network determines to be based on the non-MBMS If the priority of the frequency resource usage selection is high, and the resources of the current non-MBMS carrier frequency are insufficient, then the MBMS service is selected to be sent on the MBMS carrier frequency.

9. A method of transmitting a multimedia MBMS service, the method comprising:

According to the current non-MBMS carrier frequency, choose the carrier frequency or non-MBMS The MBMS service is transmitted on the MBMS carrier frequency.

10. The method according to claim 9, wherein the selecting to send the MBMS service on the MBMS carrier frequency or the non-MBMS carrier frequency according to the current non-MBMS carrier frequency usage condition is: the access network determines the current non-MBMS Whether the carrier frequency resource is sufficient, if sufficient, then selecting to send the MBMS service on the non-MBMS carrier frequency; otherwise, selecting to send the MBMS service on the MBMS carrier frequency.

11. A system for transmitting a multimedia MBMS service, the system comprising: a receiving unit, a selecting unit, and a transmitting unit;

The system according to claim 11, wherein the system further comprises: a distribution unit, configured to additionally allocate a downlink carrier independent of the non-MBMS carrier frequency as the MBMS carrier frequency of the 7|MBMS service.

The system according to claim 11, wherein the system further comprises: a storage unit, configured to store an implementation rule for selecting a carrier frequency;

The selecting unit is further configured to obtain the implementation rule from the storage unit, and perform the operation of selecting an MBMS carrier frequency or a non-MBMS carrier frequency according to the implementation rule.

14. The system of claim 13 wherein said storage unit comprises: Selecting a policy storage unit, and/or a first correspondence storage unit;

The selection policy storage unit is configured to store a selection strategy for selecting an MBMS carrier frequency or a non-MBMS carrier frequency;

The first correspondence storage unit is configured to store a correspondence between different service attributes of the MBMS service and a sending carrier frequency.

The system according to claim 11, wherein the system further comprises: a second correspondence storage unit, configured to store a service type of the MBMS service and a transmit carrier frequency according to the selection of the selection unit Correspondence relationship

The selecting unit is further configured to obtain a correspondence between the service type and the transmitting carrier frequency from the second corresponding relationship storage unit, and perform the operation of selecting the MBMS carrier frequency or the non-MBMS carrier frequency according to the corresponding relationship.

The system according to claim 11, wherein the selection unit is disposed in a core network or in an access network.

17. A system for transmitting a multimedia MBMS service, the system comprising: a receiving unit, a selecting unit, and a transmitting unit;

a selecting unit, configured to receive an MBMS service provided by the receiving unit, and select an additionally allocated MBMS carrier frequency or a non-MBMS carrier frequency independent of a non-MBMS carrier frequency according to a current usage status of the non-MBMS carrier frequency, and The MBMS service and selection result are provided to the sending unit;

18. The system of claim 17, wherein the system further comprises: The allocation unit is configured to additionally allocate a downlink carrier frequency independent of the non-MBMS carrier frequency as the MBMS carrier frequency of the 7|MBMS service.

19. A selection device, the selection device comprising: an information acquisition unit and a carrier frequency selection unit;

The information acquiring unit is configured to acquire an attribute of an MBMS service;

The selection device according to claim 19, wherein the selection device further comprises: a storage unit, configured to store an implementation rule for selecting an MBMS carrier frequency or a non-MBMS carrier frequency;

The carrier frequency selection unit is further configured to obtain an implementation rule for selecting an MBMS carrier frequency or a non-MBMS carrier frequency from the storage unit, and perform the operation of selecting an MBMS carrier frequency or a non-MBMS carrier frequency according to the implementation rule.

The selection device according to claim 20, wherein the storage device comprises: a selection policy storage unit and/or a first correspondence storage unit;

The selection device according to claim 19, wherein the selection device further comprises: a second correspondence storage unit, configured to store a service type of the MBMS service according to the selection of the carrier frequency selection unit Correspondence with the transmission carrier frequency; The carrier frequency selection unit is further configured to acquire a correspondence between an MBMS service type and a transmission carrier frequency stored in the second correspondence storage unit, and perform the selecting MBMS carrier frequency or non-MBMS according to the correspondence relationship. Frequency operation.

23. A selection device, the selection device comprising: an information acquisition unit and a carrier frequency selection unit;

The information acquiring unit is configured to acquire a current usage status of the non-MBMS resource, and the carrier frequency selecting unit is configured to select, according to the current usage status of the current non-MBMS resource, a carrier frequency used for sending the MBMS service to be an MBMS carrier frequency. Or a non-MBMS carrier frequency; wherein, the MBMS carrier frequency is a separately allocated downlink carrier for carrying an MBMS service.