CN112714400B - MBMS-based processing method and device, related equipment and storage medium - Google Patents
MBMS-based processing method and device, related equipment and storage medium Download PDFInfo
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- CN112714400B CN112714400B CN201911026188.6A CN201911026188A CN112714400B CN 112714400 B CN112714400 B CN 112714400B CN 201911026188 A CN201911026188 A CN 201911026188A CN 112714400 B CN112714400 B CN 112714400B
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- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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Abstract
The invention discloses a processing method based on Multimedia Broadcast Multicast Service (MBMS), a device related device and a storage medium. The method comprises the following steps: a Centralized Unit (CU) entity of an access network generates an MBMS counting request message; transmitting an MBMS counting request message to a Distributed Unit (DU) entity of an access network, and transmitting multicast control channel update Time (MCCH update Time) to the DU entity; the sent MCCH update Time is used for the DU entity to determine the Time period for sending the MBMS counting request message to the terminal.
Description
Technical Field
The present invention relates to the field of wireless communications, and in particular, to a Multimedia Broadcast Multicast Service (MBMS) -based processing method, apparatus, related device, and storage medium.
Background
The MBMS procedure is used to help the network identify User Equipments (UEs) that need some kind of common service and the geographical distribution of these UEs.
A fifth generation mobile communication technology (5G) New air interface (NR, New Radio) system introduces an access network architecture of a network centralized unit-distributed unit (CU-DU). However, how to count the MBMS under the CU-DU separation architecture is a problem to be solved.
Disclosure of Invention
In order to solve the related technical problem, embodiments of the present invention provide a processing method and apparatus based on an MBMS, a related device, and a storage medium.
The technical scheme of the embodiment of the invention is realized as follows:
the embodiment of the invention provides a processing method based on MBMS, which is applied to a CU entity of an access network and comprises the following steps:
generating an MBMS counting request message;
sending MBMS counting request information to a DU entity of an access network, and sending multicast control channel update Time (MCCH update Time) to the DU entity; the sent MCCH update Time is used for the DU entity to determine the Time period for sending the MBMS counting request message to the terminal.
In the foregoing solution, the sending an MBMS counting request message to a DU entity of an access network and sending an MCCH update Time to the DU entity includes:
and sending an MBMS counting request message and MCCH update Time to the DU entity through a signaling.
In the foregoing solution, the sending an MBMS counting request message to a DU entity of an access network and sending an MCCH update Time to the DU entity includes:
transmitting an MBMS counting request message to the DU entity through a first signaling;
sending MCCH update Time to the DU entity through a second signaling; the second signaling also carries MBMS counting request message identification.
In the above scheme, the method further comprises:
receiving an MCCH update Time transmitted by a multi-cell/Multicast Coordination Entity (MCE).
In the above scheme, the method further comprises:
transmitting region information corresponding to a synchronization signal/physical broadcast channel block (SSB) to the DU entity; the area information is used for the DU entity to determine the terminal that sends the MBMS counting request message.
In the above scheme, the method further comprises:
and receiving the area information corresponding to the SSB sent by the MCE.
The embodiment of the invention also provides a processing method based on the MBMS, which is applied to the DU entity of the access network and comprises the following steps:
receiving MBMS counting request information and MCCH update Time sent by a CU entity of an access network;
determining a sending Time period by using MCCH update Time;
and transmitting an MBMS counting request message to the terminal in the determined transmission period.
In the above solution, the receiving an MBMS count request message and an MCCH update Time sent by a CU entity of an access network includes:
and receiving MBMS counting request information and MCCH update Time sent by the CU entity through a signaling.
In the foregoing solution, the receiving an MBMS count request message and an MCCH update Time sent by a CU entity of an access network includes:
receiving an MBMS counting request message sent by the CU entity through a first signaling;
receiving MCCH update Time sent by the CU entity through a second signaling; the second signaling also carries MBMS counting request message identification.
In the above scheme, the method further comprises:
receiving area information corresponding to the SSB sent by the CU entity;
and sending an MBMS counting request message to the terminal in the area corresponding to the area information.
The embodiment of the invention also provides a processing method based on the MBMS, which is applied to the DU entity of the access network and comprises the following steps:
generating an MBMS counting request message;
determining a transmission time period of an MBMS counting request message;
and transmitting an MBMS counting request message to the terminal in the determined transmission period.
In the above scheme, the method further comprises:
receiving MCCH update Time sent by a CU entity of an access network;
the determining the transmission time period of the MBMS counting request message includes:
and determining the sending Time period of the MBMS counting request message by using the MCCH update Time.
In the above scheme, the method further comprises:
receiving a number N sent by a CU entity of an access network; n is greater than or equal to 1;
when determining the transmission time period of the MBMS counting request message, the method includes:
and determining that the MCCH modification period for sending the MBMS counting request message is the next N MCCH modification periods of the current MCCH modification period by using the current MCCH modification period and N of the multicast control channel.
In the above scheme, the method further comprises:
receiving first information sent by the CU entity; the first information is used for generating an MBMS counting request message; the first information is sent by the CU entity in a first time period; the first time period characterizes a MCCH modification period minus N time period for sending the MBMS counting request message.
In the foregoing solution, the method further includes:
synchronizing counters with the CU entities; the counter is used for recording the number of the MCCH modification periods which are currently experienced.
In the foregoing solution, the synchronizing the counter with the CU entity of the access network includes:
sending the counter synchronization request to the CU entity; the synchronization request carries the related information of the counter;
receiving a synchronization success result fed back by the CU entity aiming at the synchronization request; wherein the content of the first and second substances,
the related information comprises at least one of:
the value of the counter;
the time interval of each counter transition.
In the above scheme, the method further comprises:
receiving area information corresponding to the SSB sent by a CU entity of an access network;
and sending an MBMS counting request message to the terminal in the area corresponding to the area information.
An embodiment of the present invention further provides an MBMS-based processing apparatus, which is arranged in a CU entity of an access network, and includes:
a first generating unit for generating an MBMS counting request message;
a first sending unit, configured to send an MBMS counting request message to a DU entity of an access network, and send an MCCH update Time to the DU entity; the sent MCCH update Time is used for the DU entity to determine the Time period for sending the MBMS counting request message to the terminal.
The embodiment of the present invention further provides a processing apparatus based on MBMS, which is arranged in a DU entity of an access network, and includes:
a first receiving unit, configured to receive an MBMS count request message and an MCCH update Time sent by a CU entity of an access network;
a second sending unit, configured to determine a sending Time period by using the MCCH update Time; and transmits an MBMS counting request message to the terminal for the determined transmission period.
The embodiment of the present invention further provides a processing apparatus based on MBMS, which is arranged in a DU entity of an access network, and includes:
a second generating unit for generating an MBMS counting request message;
a third transmitting unit, configured to determine a transmission time period of the MBMS counting request message; and transmitting an MBMS counting request message to the terminal in the determined transmission period.
An embodiment of the present invention further provides a CU entity, including: a first processor and a first communication interface; wherein the content of the first and second substances,
the first processor is configured to generate an MBMS counting request message;
the first communication interface is used for sending an MBMS counting request message to a DU entity of an access network and sending an MCCH update Time to the DU entity; the sent MCCH update Time is used for the DU entity to determine the Time period for sending the MBMS counting request message to the terminal.
An embodiment of the present invention further provides a DU entity, including: a second processor and a second communication interface; wherein, the first and the second end of the pipe are connected with each other,
the second communication interface is used for receiving MBMS counting request information and MCCH update Time sent by a CU entity of an access network; the second processor is configured to determine a sending Time period by using the MCCH update Time; the second communication interface is further configured to send an MBMS counting request message to the terminal in the determined sending time period;
alternatively, the first and second electrodes may be,
the second processor is configured to generate an MBMS counting request message; determining the sending time period of the MBMS counting request message; and the second communication interface is used for sending an MBMS counting request message to the terminal in the determined sending time period.
An embodiment of the present invention further provides a CU entity, including: a first processor and a first memory for storing a computer program capable of running on the processor,
wherein the first processor is configured to execute the steps of any one of the methods on the CU entity side when running the computer program.
An embodiment of the present invention further provides a DU entity, including: a second processor and a second memory for storing a computer program capable of running on the processor,
wherein the second processor is configured to execute the steps of any of the methods at the DU entity side when the computer program is executed.
An embodiment of the present invention further provides a storage medium, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements the steps of any one of the methods on the CU entity side or implements the steps of any one of the methods on the DU entity side.
In the processing method, the processing device, the related equipment and the storage medium based on the MBMS provided by the embodiment of the invention, a CU entity generates an MBMS counting request message; transmitting MBMS counting request information to a DU entity, and transmitting MCCH update Time to the DU entity; the DU entity receives MBMS counting request information and MCCH update Time sent by the CU entity; determining a sending Time period by using MCCH update Time; and sends MBMS counting request message to the terminal in the determined sending time period, namely the CU entity generates MBMS counting request facing the terminal and sends the MBMS counting request to the terminal by the DU; or, the DU entity generates an MBMS counting request message; determining a transmission time period of the MBMS counting request message; and transmitting an MBMS counting request message to the terminal in the determined transmission time period; namely, a terminal-oriented MBMS counting request is generated by the DU entity and sent to the terminal, thus enabling an MBMS counting procedure under the CU-DU architecture.
Drawings
Figure 1 is a schematic diagram of an MCCH modification period;
fig. 2 is a flowchart illustrating an MBMS-based processing method according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating another MBMS-based processing method according to an embodiment of the invention;
fig. 4 is a flowchart illustrating a third MBMS-based processing method according to an embodiment of the invention;
fig. 5 is a schematic structural diagram of an MBMS-based processing apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another MBMS-based processing apparatus according to an embodiment of the invention;
fig. 7 is a schematic structural diagram of a third MBMS-based processing apparatus according to an embodiment of the invention;
FIG. 8 is a schematic diagram of a physical structure of a CU in accordance with an embodiment of the present invention;
FIG. 9 is a diagram illustrating a DU entity structure according to an embodiment of the present invention;
fig. 10 is a schematic diagram of an MBMS-based processing system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The MBMS procedure is used to help the network identify User Equipments (UEs) that need some kind of common service and the geographical distribution of these UEs. When a certain condition is met, the network opens a multicast broadcast service for a certain service of these UEs. In a Long Term Evolution (LTE) system, an MBMS service Counting Request (expressed in english as MBMS service Counting Request) is used for a Multi-cell/Multicast Coordination Entity (MCE) to instruct a base station (i.e., evolved node b (enb)) covering a cell in an area with a certain Multicast Single Frequency Network (MBSFN) to start a UE-oriented MBMS Counting procedure. There is an Information Element (IE) named MCCH Update Time for indicating in which MCCH Modification Period (Modification Period in english) the eNB sends MBMS Counting Request to the UE (MBMS Counting Request in english) (this IE carries an integer value from 0 to 255). Note that each eNB maintains a common (common) counter to record the number of MCCH modification periods that have currently passed, so that MBMS counting requests can be sent to multiple UEs in a group in the same MCCH modification period.
On the other hand, as shown in fig. 1, the frame where the MCCH is located occurs at intervals of time, the intervals being given by the MCCH repetition period (MCCH repetition period). The content on the MCCH changes only after the boundary of the MCCH modification period, with the interval given by the MCCH modification period. In the LTE system, two parameters, i.e., MCCH repetition period and MCCH modification period, are given in the system broadcast.
Meanwhile, the frame number of the current frame and the current counter condition of the MCCH modification period are only clear for the DU responsible for air interface transmission. At the present stage, under the CU-DU architecture, Radio Resource Control (RRC) signaling sent by the CU entity to the DU is not sent at a specified time, that is, after receiving the RRC signaling, the DU entity immediately sends the RRC signaling to the UE according to the scheduling scheme. However, for MBMS, the DU entity needs to send RRC signaling carrying MCCH counting request to the UE within a specified time window.
However, under the CU-DU architecture, it is the CU in the next generation Network (NG) that communicates with the Core Network (CN); and the DU is responsible for specific air interface data transmission. Under this architecture, the DU does not know the MBMS service counting request given by the MCE, and also does not know at which time to transmit the MBMS counting request to the UE.
Based on this, the embodiment of the present invention provides a counting scheme supporting MBMS oriented under CU-DU architecture.
The scheme of the embodiment of the invention can be realized by the following two ways:
in the first mode, a CU entity generates a MBMS counting request facing to UE and sends the MBMS counting request to the UE by a DU;
in the second mode, a DU entity generates a UE-oriented MBMS counting request and sends it to the UE.
Here, in actual use, one of the two modes may be selected and implemented as necessary.
Two implementations are described in detail below.
As for the first mode, an embodiment of the present invention provides an MBMS-based processing method, which is applied to a CU entity in an access network, and as shown in fig. 2, the method includes:
step 201: generating an MBMS counting request message;
step 202: and sending an MBMS counting request message to a DU entity of an access network, and sending MCCH update Time to the DU entity.
Wherein, the sent MCCH update Time is used for the DU entity to determine the Time period for sending the MBMS counting request message to the terminal.
Here, in practical applications, the determined time period for transmitting the MBMS counting request message may be an MCCH modification period for transmitting the MBMS counting request message to the terminal.
In step 201, during actual application, when the MBMS service needs to be counted, the MCE sends an MBMS service counting request to the CU entity to notify the MBMS service that needs to be counted; and the CU entity receives the MBMS counting request and generates an MBMS counting request message.
In step 202, during actual application, the CU may send an MBMS counting request message and an MCCH update Time to the DU entity at the same Time, that is, the MCCH update Time may be sent to the DU entity together with the MBMS counting request message generated by the CU entity, that is, the MBMS counting request message and the MCCH update Time are sent to the DU entity through a signaling.
Based on this, in an embodiment, the specific implementation of step 202 may include:
and sending an MBMS counting request message and MCCH update Time to the DU entity through a signaling.
Of course, the CU may also send the MBMS counting request message and the MCCH update Time to the DU entity at the same Time, that is, the MCCH update Time may be separately developed and sent to the DU entity together with the MBMS counting request message generated by the CU entity, that is, the MBMS counting request message and the MCCH update Time are sent through two signaling separately.
Based on this, in an embodiment, the specific implementation of step 202 may include:
transmitting an MBMS counting request message to the DU entity through a first signaling;
sending MCCH update Time to the DU entity through a second signaling; the second signaling also carries MBMS counting request message identification.
Wherein, the DU entity can know which MBMS counting request message sent by the CU entity corresponds to according to the MBMS counting request message identifier.
In practical application, the CU entity may interact with the DU entity through an F1 interface, and in the embodiment of the present invention, the CU entity sends an MBMS counting request message to the DU entity through an F1 interface, and sends an MCCH update Time to the DU entity.
Before the CU entity sends the MCCH update Time to the DU entity, the CU entity needs to know the MCCH update Time.
Based on this, in an embodiment, the method may further include:
and receiving the MCCH update Time sent by the MCE.
Here, in actual application, the MCE may send the MCCH update Time to the CU entity with the MBMS service counting request.
In practical applications, in order to count the number of UEs requiring a certain MBMS service in a finer area, the finer area information counted by the DU entity may be informed.
Based on this, in an embodiment, the method may further include:
sending the area information corresponding to the SSB to the DU entity; the area information is used for the DU entity to determine the terminal that sends the MBMS counting request message.
Here, in practical application, the CU entity needs to know the fine area that needs to be counted.
Based on this, in an embodiment, the method may further include:
and receiving the area information corresponding to the SSB sent by the MCE.
Here, in actual application, the MCE may carry the area information corresponding to the SSB in the MBMS service counting request and send the area information to the CU entity.
Correspondingly, an embodiment of the present invention further provides an MBMS-based processing method, which is applied to a DU entity of an access network, and as shown in fig. 3, the method includes:
step 301: receiving MBMS counting request information and MCCH update Time sent by a CU entity;
step 302: determining a sending Time period by using MCCH update Time;
step 303: and transmitting an MBMS counting request message to the terminal in the determined transmission period.
In step 301, when a CU entity simultaneously transmits an MBMS count request message and an MCCH update Time, the DU entity receives the MBMS count request message and the MCCH update Time transmitted by the CU entity through one signaling.
Of course, when the CU entity does not simultaneously send the MBMS counting request message and the MCCH update Time, the DU performs the following operations:
receiving an MBMS counting request message sent by the CU entity through a first signaling;
receiving MCCH update Time sent by the CU entity through a second signaling; the second signaling also carries MBMS counting request message identification.
In step 302, in practical application, the transmission time period may be an MCCH modification period during which the MBMS counting request message is transmitted to the terminal, that is, the DU entity determines in which MCCH modification period the MBMS counting request message is transmitted to the terminal.
In an embodiment, the method may further comprise:
receiving area information corresponding to the SSB sent by the CU entity;
accordingly, in step 303, the DU entity sends an MBMS counting request message to the terminals in the area corresponding to the area information.
In the processing method based on the MBMS provided by the embodiment of the invention, a CU entity generates an MBMS counting request message; transmitting MBMS counting request information to a DU entity, and transmitting MCCH update Time to the DU entity; the DU entity receives MBMS counting request information and MCCH update Time sent by the CU entity; determining a sending Time period by using MCCH update Time; and transmitting an MBMS counting request message to the terminal in the determined transmission time period, generating an MBMS counting request facing the terminal by the CU entity, and transmitting the MBMS counting request to the terminal by the DU, so that the MBMS counting process can be realized under the CU-DU architecture.
For the second mode, an embodiment of the present invention provides a processing method based on an MBMS, which is applied to a DU entity of an access network, and as shown in fig. 4, the method includes:
step 401: generating an MBMS counting request message;
step 402: determining a transmission time period of an MBMS counting request message;
step 403: and transmitting an MBMS counting request message to the terminal in the determined transmission period.
For the second mode, in practical application, there are two specific implementation modes:
in a first specific implementation, the DU entity generates a UE-oriented MBMS counting request message (which may also be referred to as signaling) and sends it at a specified time;
in a second specific implementation, the DU entity generates a UE-oriented MBMS counting request message, and sends the UE-oriented MBMS counting request message modified in the next N MCCHs.
Here, in practical applications, the implementation may be performed by selecting one of the two specific implementations.
In step 401, during actual application, when the MBMS service needs to be counted, the MCE sends an MBMS service counting request to a CU entity of the access network to notify the MBMS service that needs to be counted; and the CU entity informs the DU entity after receiving the MBMS counting request, and the DU entity generates an MBMS counting request message.
For the first specific implementation, the CU entity needs to send useful information in the MBMS service counting request including MCCH update time information received from the MCE to the DU, where the useful information includes a point-to-multipoint Type (TMGI), a public land mobile network (PLMN ID, a service (service) ID, and the like.
Based on this, in an embodiment, the method may further include:
receiving MCCH update Time sent by the CU entity;
accordingly, in step 402, the DU entity determines the transmission Time period of the MBMS counting request message by using the MCCH update Time.
For the second specific implementation, in practical application, the DU entity needs to synchronize an MCCH modification period counter (which may be expressed as a modification period counter) with the CU entity, so that the CU sends an Information Element (IE) required for generating the UE-oriented MBMS count request message to the DU entity in a specified MCCH modification period-1 time period.
Based on this, in an embodiment, the method may further include:
receiving a number N sent by the CU entity; n is greater than or equal to 1; n is an integer;
correspondingly, in step 402, when the DU entity determines the sending time period of the MBMS counting request message, the current MCCH modification period and N are used to determine that the MCCH modification period for sending the MBMS counting request message is the next nth MCCH modification period of the current MCCH modification period.
In actual application, the sending time period may be an MCCH modification period during which the MBMS counting request message is sent to the terminal, that is, the DU entity determines in which MCCH modification period the MBMS counting request message is sent to the terminal.
In an embodiment, the method may further comprise:
receiving first information sent by the CU entity; the first information is used for generating an MBMS counting request message; the first information is sent by the CU entity in a first time period; the first time period characterizes a MCCH modification period minus N time period for sending the MBMS counting request message.
In an embodiment, the method may further comprise:
synchronizing the counters with the CU entities; the counter is used for recording the number of the MCCH modification periods which are currently experienced.
In actual application, during synchronization, the DU entity sends a synchronization request to the CU entity through an F1 interface, and at this time, the value of the current counter and/or the time interval (which may be understood as a modification period interval) of each counter transition may be sent to the CU entity; after receiving the synchronization request sent by the DU entity, the CU entity feeds back a success or failure message to the DU entity.
Based on this, in an embodiment, the synchronizing the counter with the CU entity of the access network includes:
sending the counter synchronization request to the CU entity; the synchronization request carries the related information of the counter;
receiving a synchronization success result fed back by the CU entity aiming at the synchronization request; wherein the content of the first and second substances,
the related information comprises at least one of:
the value of the counter;
the time interval of each counter transition.
In practical applications, in order to count the number of UEs requiring a certain MBMS service in a finer area, the finer area information counted by the DU entity may be informed.
Based on this, in an embodiment, the method may further include:
receiving area information corresponding to the SSB sent by the CU entity;
accordingly, in step 403, the DU entity sends an MBMS counting request message to the terminals in the area corresponding to the area information.
During actual application, the CU entity sends area information corresponding to the SSB to the DU entity; the area information is used for the DU entity to determine the terminal that sends the MBMS counting request message.
Here, in practical application, the CU entity needs to know the fine area that needs to be counted.
Based on this, in an embodiment, the method may further include:
and the CU entity receives the area information corresponding to the SSB sent by the MCE.
Here, in actual application, the MCE may carry the area information corresponding to the SSB in the MBMS service counting request and send the area information to the CU entity.
In the processing method based on the MBMS provided by the embodiment of the invention, a DU entity generates MBMS counting request information; determining a transmission time period of an MBMS counting request message; and transmitting an MBMS counting request message to the terminal in the determined transmission time period, generating an MBMS counting request facing the terminal by the DU entity, and transmitting the MBMS counting request to the terminal, thus realizing the MBMS counting process under the CU-DU architecture.
In order to implement the first mode, an embodiment of the present invention further provides an MBMS-based processing apparatus, which is disposed in a CU entity of an access network, and as shown in fig. 5, the apparatus includes:
a first generating unit 51 for generating an MBMS counting request message;
a first sending unit 52, configured to send an MBMS counting request message to a DU entity of an access network, and send an MCCH update Time to the DU entity; the sent MCCH update Time is used for the DU entity to determine the Time period for sending the MBMS counting request message to the terminal.
In an embodiment, the first sending unit 52 is configured to:
and sending an MBMS counting request message and MCCH update Time to the DU entity through a signaling.
In an embodiment, the first sending unit 52 is configured to:
transmitting an MBMS counting request message to the DU entity through a first signaling;
sending MCCH update Time to the DU entity through a second signaling; the second signaling also carries MBMS counting request message identification.
In an embodiment, the apparatus may further include: a second receiving unit configured to:
and receiving the MCCH update Time sent by the MCE.
In an embodiment, the first sending unit 52 is further configured to:
sending the area information corresponding to the SSB to the DU entity; the area information is used for the DU entity to determine the terminal that sends the MBMS counting request message.
In an embodiment, the second receiving unit is further configured to:
and receiving the area information corresponding to the SSB sent by the MCE.
In practical applications, the first generating unit 51 may be implemented by a processor in the MBMS-based processing apparatus; the first sending unit 52 and the second receiving unit may be implemented by a communication interface in the MBMS-based processing apparatus.
In order to implement the first mode, an embodiment of the present invention further provides an MBMS-based processing apparatus, which is disposed in a DU entity of an access network, and as shown in fig. 6, the apparatus includes:
a first receiving unit 61, configured to receive an MBMS count request message and an MCCH update Time sent by a CU entity of an access network;
a second sending unit 62, configured to determine a sending Time period by using the MCCH update Time; and transmits an MBMS counting request message to the terminal for the determined transmission period.
In an embodiment, the first receiving unit 61 is configured to:
and receiving MBMS counting request information and MCCH update Time sent by the CU entity through a signaling.
In an embodiment, the first receiving unit 61 is configured to:
receiving an MBMS counting request message sent by the CU entity through a first signaling;
receiving MCCH update Time sent by the CU entity through a second signaling; the second signaling also carries MBMS counting request message identification.
In an embodiment, the first receiving unit 61 is further configured to:
receiving area information corresponding to the SSB sent by the CU entity;
accordingly, the second sending unit 62 is configured to send an MBMS counting request message to terminals in the area corresponding to the area information.
In practical applications, the first receiving unit 61 may be implemented by a communication interface in an MBMS-based processing apparatus; the second transmitting unit 62 may be implemented by a processor in an MBMS-based processing apparatus in combination with a communication interface.
In order to implement the second mode, an embodiment of the present invention further provides an MBMS-based processing apparatus, which is disposed in a DU entity of an access network, and as shown in fig. 7, the apparatus includes:
a second generating unit 71, configured to generate an MBMS counting request message;
a third transmitting unit 72, configured to determine a transmission time period of the MBMS counting request message; and transmitting an MBMS counting request message to the terminal in the determined transmission period.
In an embodiment, the apparatus may further include: a third receiving unit configured to:
receiving MCCH update Time sent by a CU entity of an access network;
correspondingly, the third sending unit 72 is configured to determine a sending Time period of the MBMS counting request message by using the MCCH update Time.
In an embodiment, the third receiving unit is further configured to receive a number N sent by a CU entity of an access network; n is greater than or equal to 1;
when the third sending unit 72 determines the sending time period of the MBMS counting request message, it determines that the sending MCCH modification period of the MBMS counting request message is the next N MCCH modification periods of the current MCCH modification period, using the current MCCH modification period and N.
In an embodiment, the apparatus may further include: a synchronization unit to:
synchronizing the counters with the CU entities; the counter is used for recording the number of the MCCH modification periods which are currently experienced.
In an embodiment, the third receiving unit is further configured to receive area information corresponding to an SSB sent by a CU entity of an access network;
accordingly, the third sending unit 72 is configured to send an MBMS counting request message to terminals in the area corresponding to the area information.
In practical application, the third receiving unit and the synchronization unit can be realized by a communication interface in the processing device based on the MBMS; the third transmitting unit 72 may be implemented by a processor in the MBMS-based processing apparatus in combination with a communication interface.
In order to implement the second mode, an embodiment of the present invention further provides an MBMS-based processing apparatus, which is disposed in a CU entity of an access network, and includes:
a fourth sending unit, configured to send an MCCH update Time to a DU entity of the access network, where the sent MCCH update Time is used for the DU entity to determine a sending Time period of the MBMS counting request message.
In practical applications, the fourth sending unit may be implemented by a processor in the MBMS-based processing apparatus in combination with a communication interface.
In order to implement the second mode, an embodiment of the present invention further provides an MBMS-based processing apparatus, which is disposed in a CU entity of an access network, and includes:
a fifth sending unit, configured to send the number N to a DU entity of the access network; n is greater than or equal to 1; n is an integer; the sent N is used for the DU entity to determine that the MCCH modification period for sending the MBMS counting request message is the next N MCCH modification period of the current MCCH modification period.
In an embodiment, the fifth sending unit is further configured to send first information to the DU entity; the first information is used for generating an MBMS counting request message; the first information is sent by the CU entity in a first time period; the first time period characterizes a MCCH modification period minus N time period for sending the MBMS counting request message.
In an embodiment, the apparatus may further include: a synchronization unit, configured to synchronize a counter with the DU entity; the counter is used for recording the number of the MCCH modification periods which are currently experienced.
In an embodiment, the fifth sending unit is further configured to send area information corresponding to an SSB to the DU entity; the area information is used for the DU entity to determine the terminal that sends the MBMS counting request message.
In practical applications, the fifth sending unit and the synchronization unit may be implemented by a communication interface in the MBMS-based processing apparatus.
It should be noted that: in the MBMS processing apparatus according to the above embodiment, when performing the MBMS processing, only the division of the program modules is described as an example, and in practical applications, the processing may be distributed to different program modules according to needs, that is, the internal structure of the apparatus may be divided into different program modules to complete all or part of the processing described above. In addition, the MBMS-based processing apparatus provided in the foregoing embodiment and the MBMS-based processing method embodiment belong to the same concept, and specific implementation processes thereof are described in the method embodiment, and are not described herein again.
Based on the hardware implementation of the program module, and in order to implement the method of the CU entity side of the access network according to the embodiment of the present invention, an embodiment of the present invention further provides a CU entity, as shown in fig. 8, where the CU entity 80 includes:
a first communication interface 81 capable of information interaction with other devices;
the first processor 82 is connected to the first communication interface 81 to implement information interaction with a DU entity of an access network, and is configured to execute a method provided by one or more technical solutions of the CU entity side when running a computer program. And the computer program is stored on the first memory 83.
Specifically, for the first mode, the first processor 82 is configured to generate an MBMS counting request message;
the first communication interface 81 is configured to send an MBMS counting request message to a DU entity of an access network, and send an MCCH update Time to the DU entity; the sent MCCH update Time is used for the DU entity to determine the Time period for sending the MBMS counting request message to the terminal.
In an embodiment, the first communication interface 81 is configured to:
and sending an MBMS counting request message and MCCH update Time to the DU entity through a signaling.
In an embodiment, the first communication interface 81 is configured to:
transmitting an MBMS counting request message to the DU entity through a first signaling;
sending MCCH update Time to the DU entity through a second signaling; the second signaling also carries MBMS counting request message identification.
In an embodiment, the first communication interface 81 is further configured to:
and receiving the MCCH update Time sent by the MCE.
In an embodiment, the first communication interface 81 is further configured to:
sending the area information corresponding to the SSB to the DU entity; the area information is used for the DU entity to determine the terminal that sends the MBMS counting request message.
In an embodiment, the first communication interface 81 is further configured to:
and receiving the area information corresponding to the SSB sent by the MCE.
As for the second manner, in a first specific implementation manner, the first communication interface 81 is configured to send an MCCH update Time to a DU entity of an access network, where the sent MCCH update Time is used for the DU entity to determine a sending Time period of an MBMS counting request message.
In a second specific implementation manner, the first communication interface 81 is configured to send a number N to a DU entity of an access network; n is greater than or equal to 1; n is an integer; the sent N is used for the DU entity to determine that the MCCH modification period for sending the MBMS counting request message is the next N MCCH modification period of the current MCCH modification period.
In an embodiment, the first communication interface 81 is further configured to send first information to the DU entity; the first information is used for generating an MBMS counting request message; the first information is sent by the CU entity in a first time period; the first time period characterizes a MCCH modification period minus N time period for sending the MBMS counting request message.
In an embodiment, said first processor 82 is configured to synchronize counters with said DU entity through said first communication interface 81; the counter is used for recording the number of the MCCH modification periods which are currently experienced.
In an embodiment, the first communication interface 81 is further configured to send area information corresponding to an SSB to the DU entity; the area information is used for the DU entity to determine the terminal that sends the MBMS counting request message.
It should be noted that: the specific processing procedures of the first processor 82 and the first communication interface 81 are detailed in the method embodiment, and are not described herein again.
Of course, in practice, the various components in CU entity 80 are coupled together by bus system 84. It will be appreciated that the bus system 84 is used to enable communications among the components. The bus system 84 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 84 in fig. 8.
First memory 83 in embodiments of the present invention is used to store various types of data to support the operation of CU entity 80. Examples of such data include: any computer program for operating on CU entity 80.
The method disclosed in the above embodiments of the present invention may be applied to the first processor 82, or implemented by the first processor 82. The first processor 82 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by integrated logic circuits of hardware or instructions in the form of software in the first processor 82. The first Processor 82 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. The first processor 82 may implement or perform the methods, steps and logic blocks disclosed in the embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the first memory 83, and the first processor 82 reads the information in the first memory 83 to complete the steps of the foregoing method in conjunction with its hardware.
In an exemplary embodiment, the CU entity 80 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), Complex Programmable Logic Devices (CPLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, Micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the aforementioned methods.
Based on the hardware implementation of the program module, and in order to implement the method at the DU entity side of the access network according to the embodiment of the present invention, an embodiment of the present invention further provides a DU entity, as shown in fig. 9, where the DU entity 90 includes:
the second communication interface 91 can perform information interaction with other equipment;
the second processor 92 is connected to the second communication interface 91 to perform information interaction with the CU entity, and is configured to execute a method provided by one or more technical solutions of the above-mentioned DU entity side when running a computer program. And the computer program is stored on the second memory 93.
Specifically, for the first manner, the second communication interface 91 is configured to receive an MBMS count request message and an MCCH update Time sent by a CU entity of an access network; the second processor 92 is configured to determine a sending Time period by using the MCCH update Time; the second communication interface 91 is further configured to send an MBMS counting request message to the terminal in the determined sending time period.
In an embodiment, the second communication interface 91 is configured to:
and receiving MBMS counting request information and MCCH update Time sent by the CU entity through a signaling.
In an embodiment, the second communication interface 91 is configured to:
receiving an MBMS counting request message sent by the CU entity through a first signaling;
receiving MCCH update Time sent by the CU entity through a second signaling; the second signaling also carries MBMS counting request message identification.
In an embodiment, the second communication interface 91 is further configured to:
receiving area information corresponding to the SSB sent by the CU entity;
accordingly, the second communication interface 91 is configured to send an MBMS counting request message to the terminals in the area corresponding to the area information.
For the second manner, the second processor 92 is configured to generate an MBMS counting request message; determining the sending time period of the MBMS counting request message; the second communication interface 91 is configured to send an MBMS counting request message to the terminal in the determined sending time period.
In an embodiment, the second communication interface 91 is configured to receive an MCCH update Time sent by a CU entity of an access network;
accordingly, the second processor 92 is configured to determine a transmission Time period of the MBMS counting request message by using the MCCH update Time.
In an embodiment, the second communication interface 91 is further configured to receive a number N sent by a CU entity of an access network; n is greater than or equal to 1;
when the second processor 92 determines the sending time period of the MBMS counting request message, it determines that the sending MCCH modification period of the MBMS counting request message is the next N MCCH modification periods of the current MCCH modification period, using the current MCCH modification period and N.
In an embodiment, the second processor 92 is configured to synchronize the counter with the CU entity through the second communication interface 91; the counter is used for recording the number of the MCCH modification periods which are currently experienced.
In an embodiment, the second communication interface 91 is further configured to receive area information corresponding to an SSB sent by a CU entity of an access network;
accordingly, the second communication interface 91 is configured to send an MBMS counting request message to the terminals in the area corresponding to the area information.
It should be noted that: the specific processing procedures of the second processor 92 and the second communication interface 91 are detailed in the method embodiment, and are not described herein again.
Of course, in practice, the various components in the DU entity 90 are coupled together by means of a bus system 94. It will be appreciated that the bus system 94 is used to enable communications among the components. The bus system 94 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 94 in fig. 9.
The second memory 93 in the embodiment of the present invention is used to store various types of data to support the DU entity 90 operation. Examples of such data include: any computer program for operating on the DU entity 90.
The method disclosed in the above embodiments of the present invention may be applied to the second processor 92, or implemented by the second processor 92. The second processor 92 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the second processor 92. The second processor 92 described above may be a general purpose processor, a DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The second processor 92 may implement or perform the methods, steps and logic blocks disclosed in the embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the second memory 93, and the second processor 92 reads the information in the second memory 93, and in combination with the hardware thereof, performs the steps of the foregoing method.
In an exemplary embodiment, DU entity 90 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general purpose processors, controllers, MCUs, microprocessors, or other electronic components for performing the aforementioned methods.
It is understood that the memories (the first memory 83, the second memory 93) of the embodiments of the present invention may be either volatile memories or nonvolatile memories, and may include both volatile and nonvolatile memories. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The described memory for embodiments of the present invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In order to implement the method according to the embodiment of the present invention, an embodiment of the present invention further provides an MBMS-based processing system, as shown in fig. 10, where the system includes: CU entity 101 and DU entity 102.
It should be noted that: the specific processing procedures of CU entity 101 and DU entity 102 are described in detail above and are not described here.
In an exemplary embodiment, the present invention further provides a storage medium, specifically a computer-readable storage medium, for example, a first memory 83 storing a computer program, which can be executed by the first processor 82 of the CU entity 80 to perform the steps of the CU entity side method. For example, the second memory 93 stores a computer program, which can be executed by the second processor 92 of the DU entity 90 to complete the steps of the DU entity side method. The computer readable storage medium may be Memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface Memory, optical disk, or CD-ROM.
It should be noted that: "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In addition, the technical solutions described in the embodiments of the present invention may be arbitrarily combined without conflict.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (22)
1. A method for processing MBMS-based Multimedia Broadcast Multicast Service (MBMS), applied to a centralized unit, CU, entity of an access network, the method comprising:
generating an MBMS counting request message;
transmitting MBMS counting request information to a distributed unit DU entity of an access network, and transmitting multicast control channel update Time MCCH update Time to the DU entity; the sent MCCH update Time is used for the DU entity to determine the Time period for sending the MBMS counting request message to the terminal; wherein, the first and the second end of the pipe are connected with each other,
the method further comprises the following steps:
sending the region information corresponding to the synchronization signal/physical broadcast channel block SSB to the DU entity; the area information is used for the DU entity to determine the terminal that sends the MBMS counting request message.
2. The method of claim 1, wherein the sending an MBMS counting request message to a DU entity of an access network and an MCCH update Time to the DU entity comprises:
and sending an MBMS counting request message and MCCH update Time to the DU entity through a signaling.
3. The method of claim 1, wherein the sending an MBMS counting request message to a DU entity of an access network and an MCCH update Time to the DU entity comprises:
transmitting an MBMS counting request message to the DU entity through a first signaling;
sending MCCH update Time to the DU entity through a second signaling; the second signaling also carries MBMS counting request message identification.
4. The method of claim 1, further comprising:
and receiving MCCH update Time sent by a multi-cell/Multicast Coordination Entity (MCE).
5. The method of claim 1, further comprising:
and receiving the area information corresponding to the SSB sent by the MCE.
6. A MBMS-based processing method, applied to a DU entity of an access network, the method comprising:
receiving MBMS counting request information and MCCH update Time sent by a CU entity of an access network;
determining a sending Time period by using MCCH update Time;
transmitting an MBMS counting request message to the terminal in the determined transmission time period; wherein the content of the first and second substances,
the method further comprises the following steps:
receiving area information corresponding to the SSB sent by the CU entity;
and sending an MBMS counting request message to the terminal in the area corresponding to the area information.
7. The method of claim 6, wherein the receiving the MBMS counting request message and the MCCH update Time sent by the CU entity of the access network comprises:
and receiving MBMS counting request information and MCCH update Time sent by the CU entity through a signaling.
8. The method of claim 6, wherein the receiving the MBMS counting request message and the MCCH update Time sent by the CU entity of the access network comprises:
receiving an MBMS counting request message sent by the CU entity through a first signaling;
receiving MCCH update Time sent by the CU entity through a second signaling; the second signaling also carries MBMS counting request message identification.
9. A MBMS-based processing method, applied to a DU entity of an access network, the method comprising:
generating an MBMS counting request message;
determining a transmission time period of an MBMS counting request message;
transmitting an MBMS counting request message to the terminal in the determined transmission time period; wherein, the first and the second end of the pipe are connected with each other,
the method further comprises the following steps:
receiving area information corresponding to the SSB sent by a CU entity of an access network;
and sending an MBMS counting request message to the terminal in the area corresponding to the area information.
10. The method of claim 9, further comprising:
receiving MCCH update Time sent by a CU entity of an access network;
the determining the transmission time period of the MBMS counting request message includes:
and determining the sending Time period of the MBMS counting request message by using the MCCH update Time.
11. The method of claim 9, further comprising:
receiving a number N sent by a CU entity of an access network; n is greater than or equal to 1;
when determining the transmission time period of the MBMS counting request message, the method includes:
and determining that the MCCH modification period for sending the MBMS counting request message is the next N MCCH modification periods of the current MCCH modification period by using the current MCCH modification period and N of the multicast control channel.
12. The method of claim 11, further comprising:
receiving first information sent by the CU entity; the first information is used for generating an MBMS counting request message; the first information is sent by the CU entity in a first time period; the first time period characterizes a MCCH modification period minus N time period for sending the MBMS counting request message.
13. The method of claim 11, further comprising:
synchronizing counters with the CU entities; the counter is used for recording the number of the MCCH modification periods which are currently experienced.
14. The method of claim 13, wherein the synchronizing of the counters with the CU entities of the access network comprises:
sending the counter synchronization request to the CU entity; the synchronization request carries the related information of the counter;
receiving a synchronization success result fed back by the CU entity aiming at the synchronization request; wherein the content of the first and second substances,
the related information comprises at least one of:
the value of the counter;
the time interval of each counter transition.
15. An MBMS-based processing apparatus, characterized in that a CU entity provided in an access network includes:
a first generating unit for generating an MBMS counting request message;
a first sending unit, configured to send an MBMS counting request message to a DU entity of an access network, and send an MCCH update Time to the DU entity; the sent MCCH update Time is used for the DU entity to determine the Time period for sending the MBMS counting request message to the terminal; wherein the content of the first and second substances,
the first sending unit is further configured to send area information corresponding to the SSB to the DU entity; the area information is used for the DU entity to determine the terminal that sends the MBMS counting request message.
16. An MBMS-based processing apparatus, wherein a DU entity provided in an access network includes:
a first receiving unit, configured to receive an MBMS count request message and an MCCH update Time sent by a CU entity of an access network;
a second sending unit, configured to determine a sending Time period by using an MCCH update Time; and transmitting an MBMS counting request message to the terminal in the determined transmission time period; wherein the content of the first and second substances,
the first receiving unit is further configured to receive area information corresponding to the SSB sent by the CU entity;
the second sending unit is further configured to send an MBMS counting request message to a terminal in an area corresponding to the area information.
17. An MBMS-based processing apparatus, wherein a DU entity provided in an access network includes:
a second generating unit for generating an MBMS counting request message;
a third transmitting unit, configured to determine a transmission time period of the MBMS counting request message; transmitting an MBMS counting request message to the terminal in the determined transmission time period; wherein the content of the first and second substances,
the device further comprises:
a third receiving unit, configured to receive area information corresponding to an SSB sent by a CU entity of an access network;
the third sending unit is further configured to send an MBMS counting request message to a terminal in an area corresponding to the area information.
18. A CU entity, comprising: a first processor and a first communication interface; wherein, the first and the second end of the pipe are connected with each other,
the first processor is configured to generate an MBMS counting request message;
the first communication interface is used for sending an MBMS counting request message to a DU entity of an access network and sending an MCCH update Time to the DU entity; the sent MCCH update Time is used for the DU entity to determine the Time period for sending the MBMS counting request message to the terminal; wherein the content of the first and second substances,
the first communication interface is further configured to send area information corresponding to the SSB to the DU entity; the area information is used for the DU entity to determine the terminal that sends the MBMS counting request message.
19. A DU entity, comprising: a second processor and a second communication interface; wherein the content of the first and second substances,
the second communication interface is used for receiving MBMS counting request information and MCCH update Time sent by a CU entity of an access network; the second processor is configured to determine a sending Time period by using the MCCH update Time; the second communication interface is further configured to send an MBMS counting request message to the terminal in the determined sending time period; wherein the content of the first and second substances,
the second communication interface is further configured to receive area information corresponding to the SSB sent by the CU entity;
the second communication interface is further configured to send an MBMS counting request message to a terminal in an area corresponding to the area information;
alternatively, the first and second electrodes may be,
the second processor is configured to generate an MBMS counting request message; determining the sending time period of the MBMS counting request message; the second communication interface is used for sending an MBMS counting request message to the terminal in the determined sending time period; wherein the content of the first and second substances,
the second communication interface is further configured to receive area information corresponding to the SSB sent by a CU entity of the access network;
the second communication interface is further configured to send an MBMS counting request message to a terminal in an area corresponding to the area information.
20. A CU entity, comprising: a first processor and a first memory for storing a computer program capable of running on the processor,
wherein the first processor is adapted to perform the steps of the method of any one of claims 1 to 5 when running the computer program.
21. A DU entity, comprising: a second processor and a second memory for storing a computer program capable of running on the processor,
wherein the second processor is adapted to perform the steps of the method of any one of claims 6 to 8 or the steps of the method of any one of claims 9 to 14 when running the computer program.
22. A storage medium having stored thereon a computer program for performing the steps of the method of any one of claims 1 to 5, or for performing the steps of the method of any one of claims 6 to 8, or for performing the steps of the method of any one of claims 9 to 14, when the computer program is executed by a processor.
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