CN104620528B - Base station and multicast packet send processing method - Google Patents
Base station and multicast packet send processing method Download PDFInfo
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- CN104620528B CN104620528B CN201380002639.7A CN201380002639A CN104620528B CN 104620528 B CN104620528 B CN 104620528B CN 201380002639 A CN201380002639 A CN 201380002639A CN 104620528 B CN104620528 B CN 104620528B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1861—Physical mapping arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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Abstract
The embodiment of the present invention provides a kind of base station and multicast packet sends processing method, wherein, the described method includes：Obtain the corresponding network parameter measurement report for being used to reflect wireless communication quality of multiple user terminals that multicast group includes；At least one target terminal user is determined in the multiple user terminal according to each network parameter measurement report, and is sent a notification message to the target terminal user；The notification message is used to indicate the feedback information that the target terminal user uses the feedback channel resources return configured for the target terminal user whether to be properly received multicast packet；The multiple user terminals included to the multicast group send the multicast packet, and receive the feedback information that the target terminal user returns.Base station provided in an embodiment of the present invention and multicast packet send processing method, and the reception that multicast packet is realized with less feedback channel resources expense is fed back, and improves the reliability of muticast data transmission.
Description
Technical field
The present embodiments relate to the communication technology more particularly to a kind of base stations and multicast packet to send processing method.
Background technology
The development of mobile bandwidth applications especially mobile video, had both met the multiple services demand of mobile subscriber, was also service
Supplier brings new business opportunity, receives industry concern.These movement bandwidth applications requirements are simultaneously multiple user equipmenies（User
Equipment, abbreviation UE）Identical data is dispatched, compared with general data service, has what data volume was grown greatly with the duration
Feature.
Fig. 1 a are the schematic diagram for using unicast schedule mechanism in the prior art.As shown in Figure 1a, use in the prior art
In the technical solution of unicast schedule mechanism, when base station needs to dispatch identical data simultaneously for multiple UE, in order to know multiple UE
Data receiver situation, base station is needed for each UE（Such as UE1, UE2, UE3, UE4 and UE5）Configure independent feedback channel money
Source unsuccessfully confirms if UE reception failures on feedback channel resources to base station transmission data receiver（NACK）If the UE
It receives and successfully then successfully confirms to base station transmission data receiver（ACK）, need to receive the every of data simultaneously yet with base station
A independent dedicated feedback channel resources of UE configurations, under the transmitting scene of broadcast multi-broadcasting, the feedback channel resources of occupancy are more.
In Long Term Evolution（Long Term Evolution, abbreviation LTE) R9（Release9）Increasing is introduced in version
Strong type multimedia broadcast-multicast service (Evolved Multimedia Broadcast/Multicast Service, referred to as
eMBMS).Fig. 1 b are the schematic diagram for using eMBMS multicasting schedule mechanism in the prior art.As shown in Figure 1 b, in the prior art
In technical solution using eMBMS multicasting schedule mechanism, evolved base station（Evolved Node B, abbreviation eNodeB）By phase
It is not the UE of reception eMBMS multicast packets with data when being sent to multiple UE in the same resource of synchronization（Such as UE1,
UE2, UE3, UE4 and UE5）Feedback channel resources are configured, therefore, receive the UE of eMBMS multicast packets not to base station feedback
The reception condition of multicast packet, base station also can not know whether UE has been correctly received scheduled multicast packet.
The reliability of muticast data transmission is poor in the prior art.
The content of the invention
The embodiment of the present invention provides a kind of base station and multicast packet sends processing method, is opened with less feedback channel resources
Pin realizes the reception feedback of multicast packet, improves the reliability of muticast data transmission.
In a first aspect, the embodiment of the present invention, which provides a kind of multicast packet, sends processing method, the described method includes：
Obtain the corresponding network parameter measurement report of multiple user terminals that multicast group includes, the network parameter
Measurement report is used to reflect wireless communication quality；
Determine that at least one target user is whole in the multiple user terminal according to each network parameter measurement report
End, and send a notification message to the target terminal user；The notification message is used to indicate the target terminal user and returns
Whether the feedback information of multicast packet is properly received, and the feedback information is that the target terminal user is used as target use
The feedback channel resources feedback of family terminal configuration；
The multiple user terminals included to the multicast group send the multicast packet, and it is whole to receive the target user
Hold the feedback information returned.
According in a first aspect, in the first possible realization method of first aspect, the network parameter measurement report
Including following any：The measurement report of Reference Signal Received Power, the measurement report of Reference Signal Received Quality, channel matter
The measurement report of amount instruction, the measurement report of Timing Advance.
According to the first possible realization method of first aspect, first aspect, in second of possible realization method,
It is described to determine at least one target terminal user bag in the multiple user terminal according to each network parameter measurement report
It includes：
At least one reflection wireless communication quality is selected to be less than the network parameter measurement report of predetermined threshold value, by correspondence
User terminal be determined as the target terminal user.
According to first aspect, first aspect the first to any one in second of possible realization method,
In the third possible realization method of one side, it is described that the notification message, which is included in after the definite target terminal user,
The feedback channel resources of target terminal user configuration；Alternatively,
The notification message is the described of the target terminal user configuration after being included in the definite target terminal user
It feedback channel resources and is used to indicate the target terminal user and returns to the feedback information using the feedback channel resources
Indication information；Alternatively,
The notification message include be used to indicate the target terminal user use the definite target terminal user it
The preceding preconfigured feedback channel resources return to the indication information of the feedback information.
According to the possible realization method of the first of first aspect or first aspect, the 4th kind in first aspect is possible
In realization method, the corresponding network parameter measurement report of multiple user terminals that the acquisition multicast group includes includes：
The multiple user terminals included to the multicast group send measurement report configuration parameter；
The net for being used to reflect wireless communication quality that multiple user terminals that receiving multicast group includes are sent respectively
Network parameter measurement report.
Second aspect, the embodiment of the present invention provide a kind of base station, and the base station includes：
Acquisition module, for obtaining the corresponding network parameter measurement report of multiple user terminals that multicast group includes
It accuses, the network parameter measurement report is used to reflect wireless communication quality；
Determining module, for each network parameter measurement report for being obtained according to the acquisition module in the multiple use
At least one target terminal user is determined in the terminal of family；
Sending module, the target terminal user for being determined to the determining module send a notification message；It is described logical
Know that message is used to indicate the feedback information whether the target terminal user return is properly received multicast packet, the feedback information
It is that the target terminal user uses the feedback channel resources configured for the target terminal user to feed back；
The sending module is additionally operable to send the multicast packet to multiple user terminals that the multicast group includes；
The acquisition module is additionally operable to send to multiple user terminals that the multicast group includes in the sending module
After the multicast packet, the feedback information that the target terminal user returns is received.
According to second aspect, in the first possible realization method of second aspect, the institute of the acquisition module acquisition
Network parameter measurement report is stated including following any：Measurement report, the reference signal of Reference Signal Received Power receive matter
Measurement report, measurement report, the measurement report of Timing Advance of channel quality instruction of amount.
According to the first possible realization method of second aspect, second aspect, second in second aspect is possible
In realization method, the determining module is specifically used for：At least one reflection wireless communication quality is selected to be less than predetermined threshold value
Network parameter measurement report, corresponding user terminal is determined as the target terminal user.
According to second aspect, second aspect the first to any one in second of possible realization method,
In the third possible realization method of two aspects, the notification message that the sending module is sent is included in the definite mesh
It is the feedback channel resources of the target terminal user configuration after mark user terminal；Alternatively,
The notification message that the sending module is sent is the target after being included in the definite target terminal user
It the feedback channel resources of user terminal configuration and is used to indicate the target terminal user and is provided using the feedback channel
Source returns to the indication information of the feedback information；Alternatively,
The notification message that the sending module is sent includes being used to indicate the target terminal user use definite
The preconfigured feedback channel resources return to the indication information of the feedback information before the target terminal user.
According to the possible realization method of the first of second aspect or second aspect, the 4th kind in second aspect is possible
In realization method, the acquisition module is specifically used for：The multiple user terminals included to the multicast group send measurement report
Configure parameter；The net for being used to reflect wireless communication quality that multiple user terminals that receiving multicast group includes are sent respectively
Network parameter measurement report.
The third aspect, the embodiment of the present invention provide a kind of base station, and the base station includes：
Processor, for obtaining the corresponding network parameter measurement report of multiple user terminals that multicast group includes,
The network parameter measurement report is used to reflect wireless communication quality；
The processor is additionally operable to whole in the multiple user according to each network parameter measurement report of the acquisition
At least one target terminal user is determined in end；
Transmitter, the target terminal user for being determined to the processor send a notification message；The notice disappears
Breath is used to indicate the feedback information whether the target terminal user return is properly received multicast packet, and the feedback information is institute
It states target terminal user and uses what the feedback channel resources configured for the target terminal user were fed back；
The transmitter is additionally operable to send the multicast packet to multiple user terminals that the multicast group includes；
The processor is additionally operable to described in the multiple user terminals included in the transmitter to the multicast group send
After multicast packet, the feedback information that the target terminal user returns is received.
According to the third aspect, in the first possible realization method of the third aspect, the processor obtains described
Network parameter measurement report includes following any：The measurement report of Reference Signal Received Power, Reference Signal Received Quality
Measurement report, channel quality instruction measurement report, the measurement report of Timing Advance.
According to the possible realization method of the first of the third aspect or the third aspect, second in the third aspect is possible
In realization method, the processor is specifically used for：At least one reflection wireless communication quality is selected less than predetermined threshold value
Corresponding user terminal is determined as the target terminal user by network parameter measurement report.
According to the third aspect, the third aspect the first to any one in second of possible realization method,
In the third possible realization method of three aspects, the notification message that the transmitter is sent is included in the definite target
It is the feedback channel resources of the target terminal user configuration after user terminal；Alternatively,
The notification message that the transmitter is sent is that the target is used after being included in the definite target terminal user
It the feedback channel resources of family terminal configuration and is used to indicate the target terminal user and uses the feedback channel resources
Return to the indication information of the feedback information；Alternatively,
The notification message that the transmitter is sent includes being used to indicate the target terminal user use in definite institute
The preconfigured feedback channel resources return to the indication information of the feedback information before stating target terminal user.
According to the possible realization method of the first of the third aspect or the third aspect, the 4th kind in the third aspect is possible
In realization method, the processor is specifically used for：The multiple user terminals included to the multicast group send measurement report and match somebody with somebody
Put parameter；The network for being used to reflect wireless communication quality that multiple user terminals that receiving multicast group includes are sent respectively
Parameter measurement report.
Base station provided in an embodiment of the present invention and multicast packet send processing method, multiple by including from multicast group
At least one target terminal user is selected in user terminal, and feedback channel resources are respectively configured for target terminal user, so that
Target terminal user, according to the reception condition of multicast packet, is used after the multicast packet of base station transmission is received for the target
The feedback information for whether being properly received multicast packet is returned to base station on the feedback channel resources of family terminal configuration, so as to, with compared with
Few feedback channel resources expense realizes the reception feedback of multicast packet, improves the reliability of muticast data transmission.
Description of the drawings
Fig. 1 a are the schematic diagram for using unicast schedule mechanism in the prior art；
Fig. 1 b are the schematic diagram for using eMBMS multicasting schedule mechanism in the prior art；
Fig. 2 is the flow chart that multicast packet of the present invention sends processing method embodiment one；
Fig. 3 is the signaling process figure that multicast packet of the present invention sends processing method embodiment two；
Fig. 4 is the signaling process figure that multicast packet of the present invention sends processing method embodiment three；
Fig. 5 is the structure diagram of base station embodiment one of the present invention；
Fig. 6 is the structure diagram of base station embodiment two of the present invention.
Specific embodiment
Fig. 2 is the flow chart that multicast packet of the present invention sends processing method embodiment one.The technical solution of the present embodiment is fitted
For using the transmitting scene of multicast, broadcast technology.The executive agent of the present embodiment is base station, for example, it may be eNodeB.Such as
Shown in Fig. 2, the method for the present embodiment includes：
101st, the corresponding network parameter measurement report of multiple user terminals that multicast group includes, the network are obtained
Parameter measurement report is used to reflect wireless communication quality.
102nd, determine that at least one target is used in the multiple user terminal according to each network parameter measurement report
Family terminal, and send a notification message to the target terminal user；The notification message is used to indicate the target terminal user
The feedback information for whether being properly received multicast packet is returned to, the feedback information is that the target terminal user is used as the mesh
Mark the feedback channel resources feedback of user terminal configuration.
103rd, the multiple user terminals included to the multicast group send the multicast packet, and receive the target and use
The feedback information that family terminal returns.
Specifically, user terminal, such as can be UE, Home eNodeB or relay base station etc., wherein UE can be mobile phone, pen
Note sheet, tablet computer or vehicle-mounted computer etc..Multicast group refers to the user terminal group that will use multicasting schedule that base station determines, base
Standing will will need to be transferred to multiple use of the multicast group to multiple user terminals of the multicast group using multicasting schedule mechanism
The data of family terminal, the multiple user terminals being sent to simultaneously in same resource in the multicast group.Each user in multicast group
The network parameter measurement report for reflecting each wireless communication quality between base station is sent to base station by terminal respectively.Base
The message stood between user terminal can be Media access contorl（Medium Access Control, abbreviation MAC）Message,
Can also be wireless heterogeneous networks（Radio Resource Control, abbreviation RRC）Message, but the present invention not as
Limit.
Multicast packet provided in an embodiment of the present invention sends processing method, whole by the multiple users included from multicast group
At least one target terminal user is selected in end, and feedback channel resources are respectively configured for target terminal user, so that target is used
Family terminal is after the multicast packet of base station transmission is received, according to the reception condition of multicast packet, for the target terminal user
Return to whether be properly received the feedback information of multicast packet to base station on the feedback channel resources of configuration, so as to less anti-
Feedback channel resource expense realizes the reception feedback of multicast packet, improves the reliability of muticast data transmission.
In practice, it is corresponding for reflecting that wireless network leads to obtain multiple user terminals for including of multicast group for base station
Believe the realization method of the network parameter measurement report of quality, can be reported to base station after being measured by user terminal, also may be used
To be that acquisition is voluntarily measured by base station.For example, base station, which can measure uplink signal, obtains network parameter measurement result, base station also may be used
To obtain Timing Advance（Timing Advance, abbreviation TA）Measurement report etc..Wherein, by after user terminal measurement
The realization method of base station is reported, such as can be：Base station receives the network parameter measurement report of user terminal active reporting；It can also
It is：Base station sends measurement report configuration parameter by the multiple user terminals included to the multicast group, and receives multicast group
The network parameter measurement report for being used to reflect wireless communication quality that the multiple user terminals included are sent respectively.It is actual
In, network parameter measurement report can include, but are not limited to following any：Reference Signal Received Power（Reference
Signal Receiving Power, abbreviation RSRP）Measurement report, Reference Signal Received Quality（Reference Signal
Receiving Quality, abbreviation RSRQ）Measurement report, channel quality instruction（Channel Quality
Indication, abbreviation CQI）Measurement report or Timing Advance measurement report.
On the basis of above-described embodiment, determined at least in the multiple UE according to each network parameter measurement report
The realization method of one target UE can there are many kinds of, such as can be：In each network parameter measurement report, selection is anti-
At least one network parameter measurement report that wireless communication quality is less than predetermined threshold value is reflected, the network parameter chosen is surveyed
Amount reports that corresponding UE is determined as target UE, for example, select RSRP and/or RSRQ and/or the UE of CQI differences for target UE and/or
Person determined according to TA with eNodeB apart from remote UE be target UE, the present invention is not limited thereto.
Below by several specific embodiments, to the reality of multicast packet provided in an embodiment of the present invention transmission processing method
Existing process is described in detail.
Fig. 3 is the signaling process figure that multicast packet of the present invention sends processing method embodiment two.The method of the present embodiment by
UE1 to UEn cooperations in eNodeB and multicast group perform.As shown in figure 3, the method for the present embodiment includes：
201st, eNodeB determines multicasting schedule, determines that the multicast group of multicasting schedule will be used, eNodeB will be to multicast
Multiple UE in group use multicasting schedule mechanism.
202nd, the multiple UEs that include of the eNodeB into multicast group send measurement report configuration parameter, the measurement report configuration
Measurement target and measurement report condition are included in parameter；Wherein, target namely network parameter to be measured are measured, is e.g. joined
Examine signal reception power or Reference Signal Received Quality；Measurement report condition is, for example,：When measurement desired value is specific higher than some
Reporting measurement reports during threshold value, reporting measurement reports, periodic report measurement report when measuring desired value and be less than some specific threshold
Announcement or immediately reporting measurement reports.
203rd, when UE judgements meet measurement report report condition, UE prepares to send to reflect wireless network to eNodeB
The network parameter measurement report of communication quality.
204th, UE sends network parameter measurement report to eNodeB.
205th, the network parameter measurement report that multiple UE that eNodeB receptions multicast group includes are sent respectively, according to each net
Network parameter measurement report determines a needs send whether be properly received multicast number after multicast packet is received in multiple UE
According to feedback information target UE, in practice, eNodeB can select a worst network of reflection wireless communication quality
The corresponding UE of the network parameter measurement report is determined as target UE, for example, eNodeB joins according to each network by parameter measurement report
Number measurement report, it is UE1 to determine target UE.
206th, eNodeB sends a notification message to UE1, and the notification message is used to indicate UE1 and is matched somebody with somebody using eNodeB for UE1
Whether the feedback channel resources return put is properly received the feedback information of multicast packet.In practice, eNodeB is UE1 configuration feedbacks
The realization method that channel resource and instruction UE1 return to feedback information using the feedback channel resources can at least include following three
Kind mode：
Realization method 1：ENodeB configures feedback channel resources after definite target UE is UE1, for UE1, and is sent out to UE1
The notification message sent includes the location information of the feedback channel resources for UE1 configurations, and the notification message is used to indicate UE1
The feedback information for whether being properly received multicast packet is returned to eNodeB using the feedback channel resources for being allocated to UE1.
Realization method 2：ENodeB configures the location information of feedback channel resources for UE1 after definite target UE is UE1,
And include the location information of the feedback channel resources for UE1 configurations in the notification message sent to UE1, optionally, notice disappears
It is further included in breath and is used to indicate whether UE1 is properly received multicast using the feedback channel resources for being allocated to UE1 to eNodeB returns
The indication information of the feedback information of data.
Realization method 3：Feedback letter is respectively configured for all UE in multicast group in advance before definite target UE in eNodeB
Road resource location information；ENodeB determines UE1 after target UE, to send a notification message to UE1, notification message includes being used for
Indicate that UE1 returns to the feedback for whether being properly received multicast packet using the feedback channel resources being pre-configured with to UE1 to eNodeB
The indication information of information.
207th, eNodeB dispatches and sends multicast packet to multiple UE that multicast group includes.
208th, UE1 receive eNodeB transmission multicast packet after, according to multicast packet reception condition, using for
Whether the feedback channel resources of UE1 configurations are properly received the feedback information of multicast packet to eNodeB transmissions.If UE1 is properly received
Multicast packet, then UE1 is ACK to the eNodeB feedback informations sent on the feedback channel resources configured for it；If target
UE reception failures are then NACK to the eNodeB feedback informations sent on the feedback channel resources configured for target UE.
209th, eNodeB receives the feedback information of UE1 returns on the feedback channel resources configured for UE1：If eNodeB exists
NACK is detected on feedback channel resources for UE1 configurations, then eNodeB determines that multicast packet sends failure, also, eNodeB
It needs to resend multicast packet；If eNodeB receives ACK on the feedback channel resources configured for UE1, eNodeB is true
Determine multicast packet to send successfully.
If the 210, eNodeB determines that multicast packet sends failure, eNodeB reschedules and sends above-mentioned multi-case data.
Multicast packet provided in an embodiment of the present invention sends processing method, by being selected from multiple UE that multicast group includes
A target UE is selected, and feedback channel resources are configured for target UE, so that target UE is receiving the multicast number of eNodeB transmissions
According to rear, according to the reception condition of multicast packet, on feedback channel resources configure for target UE to eNodeB returns whether
It is properly received the feedback information of multicast packet；When eNodeB detects NACK on feedback channel resources, it is determined that multicast packet
Failure is sent, and resends multicast packet, so as to realize the reception of multicast packet with less feedback channel resources expense
Feedback improves the reliability of muticast data transmission.
Fig. 4 is the signaling process figure that multicast packet of the present invention sends processing method embodiment three.The method of the present embodiment by
UE1, UE2 in eNodeB and multicast group coordinate to UEn to be performed.As shown in figure 4, the method for the present embodiment includes：
301st, eNodeB determines multicasting schedule, determines that the multicast group of multicasting schedule will be used, eNodeB will be to multicast
Multiple UE in group use multicasting schedule mechanism.
302nd, the multiple UEs that include of the eNodeB into multicast group send measurement report configuration parameter.
303rd, when UE judgements meet measurement report report condition, UE prepares to send to reflect wireless network to eNodeB
The network parameter measurement report of communication quality.
304th, UE sends network parameter measurement report to eNodeB.
305th, the network parameter measurement report that multiple UE that eNodeB receptions multicast group includes are sent respectively, according to each net
Network parameter measurement report, determines multiple needs send whether be properly received multicast number after multicast packet is received in multiple UE
According to feedback information target UE, in practice, eNodeB can select multiple reflection wireless communication quality to be less than default threshold
The corresponding UE of the network parameter measurement report is determined as target UE by the network parameter measurement report of value, for example, eNodeB according to
Each network parameter measurement report, it is UE1 and UE2 to determine target UE.
306th, eNodeB sends a notification message respectively to UE1 and UE2, and the notification message is used to indicate each target UE difference
The feedback information of multicast packet whether is properly received using the feedback channel resources return that eNodeB is each target UE configurations.
307th, eNodeB dispatches and sends multicast packet to multiple UE that multicast group includes.
308th, UE1 receive eNodeB transmission multicast packet after, according to multicast packet reception condition, using for
Whether the feedback channel resources of UE1 configurations are properly received the feedback information of multicast packet to eNodeB transmissions.If UE1 is properly received
Multicast packet, then UE1 is ACK to the eNodeB feedback informations sent on the feedback channel resources configured for it；If target
UE reception failures are then NACK to the eNodeB feedback informations sent on the feedback channel resources configured for target UE.UE2
Technical solution after the multicast packet of eNodeB transmissions is received is similar with UE1, and details are not described herein.
309th, eNodeB receives the feedback information that each target UE is returned on the feedback channel resources configured for each target UE：
If the feedback information that wherein any one target UE is returned on feedback channel resources is NACK, eNodeB determines multicast number
Fail according to sending, also, eNodeB needs to resend multicast packet；If eNodeB promising target UE configuration feedback letter
ACK is all received in road resource, then eNodeB determines that multicast packet is sent successfully.
If the 310, eNodeB determines that multicast packet sends failure, eNodeB reschedules and sends above-mentioned multi-case data.
Multicast packet provided in an embodiment of the present invention sends processing method, by being selected from multiple UE that multicast group includes
Multiple target UE are selected, and feedback channel resources are configured for each target UE, so that each target UE is receiving the group of eNodeB transmissions
After multicast data, according to multicast packet reception condition, in the feedback channel resources for each self-configuring to eNodeB return whether
It is properly received the feedback information of multicast packet；If the feedback information that any one target UE is returned on feedback channel resources is
NACK, then eNodeB determines that multicast packet sends failure, and resends multicast packet, so as to be provided with less feedback channel
Source expense realizes the reception feedback of multicast packet, improves the reliability of muticast data transmission.
Fig. 5 is the structure diagram of base station embodiment one of the present invention.As shown in figure 5, the base station 500 of the present embodiment includes：
Acquisition module 501, determining module 502 and sending module 503, wherein：
Acquisition module 501, for obtaining the corresponding network parameter measurement of multiple user terminals that multicast group includes
Report, the network parameter measurement report are used to reflect wireless communication quality；
Determining module 502, for each network parameter measurement report for being obtained according to acquisition module 501 the multiple
At least one target terminal user is determined in user terminal；
Sending module 503, the target terminal user for being determined to determining module 502 send a notification message；It is described
Notification message is used to indicate the feedback information whether the target terminal user return is properly received multicast packet, the feedback letter
Breath is that the target terminal user uses the feedback channel resources configured for the target terminal user to feed back；
Sending module 503 is additionally operable to send the multicast packet to multiple user terminals that the multicast group includes；
Acquisition module 501 is additionally operable to send institute to multiple user terminals that the multicast group includes in sending module 503
After stating multicast packet, the feedback information that the target terminal user returns is received.
Specifically, base station 500 is corresponding by multiple user terminals that the acquisition of acquisition module 501 multicast group includes
For reflecting the network parameter measurement report of wireless communication quality；It is obtained by determining module 502 according to acquisition module 501
Each network parameter measurement report in the multiple user terminal determine at least one target terminal user；Pass through transmission
The target terminal user that module 503 is determined to determining module 502 sends a notification message；The notification message is used to indicate institute
It states target terminal user and uses whether the feedback channel resources return configured for the target terminal user is properly received multicast number
According to feedback information；The multicast packet is sent to multiple user terminals that the multicast group includes by sending module 503；
The multicast packet is sent to multiple user terminals that the multicast group includes in sending module 503 by acquisition module 501
Afterwards, the feedback information that the target terminal user returns is received.
Base station 500 provided in an embodiment of the present invention can be used for the technical side for performing embodiment of the method shown in Fig. 2 of the present invention
Case, implementing principle and technical effect are similar, and details are not described herein.
Further, the network parameter measurement report that acquisition module 501 obtains includes following any：Reference signal
Receive measurement report, the timing advance of measurement report, the measurement report of Reference Signal Received Quality, the channel quality instruction of power
The measurement report of amount.
Further, determining module 502 is specifically used for：At least one reflection wireless communication quality is selected to be less than default threshold
Corresponding user terminal is determined as the target terminal user by the network parameter measurement report of value.
Further, after the notification message that sending module 503 is sent is included in the definite target terminal user, for institute
State the feedback channel resources of target terminal user configuration；Alternatively,
It is the target after the notification message that sending module 503 is sent is included in the definite target terminal user
It the feedback channel resources of user terminal configuration and is used to indicate the target terminal user and is provided using the feedback channel
Source returns to the indication information of the feedback information；Alternatively,
The notification message that sending module 503 is sent includes being used to indicate the target terminal user use in definite institute
The preconfigured feedback channel resources return to the indication information of the feedback information before stating target terminal user.
Further, acquisition module 501 are specifically used for：The multiple user terminals included to the multicast group send measurement
Report configuration parameters；What multiple user terminals that receiving multicast group includes were sent respectively is used to reflect wireless communication quality
Network parameter measurement report.
Fig. 6 is the structure diagram of base station embodiment two of the present invention.As shown in fig. 6, the base station 600 of the present embodiment includes：
Processor 601 and transmitter 602, wherein：
Processor 601, for obtaining the corresponding network parameter measurement report of multiple user terminals that multicast group includes
It accuses, the network parameter measurement report is used to reflect wireless communication quality；
Processor 601 is additionally operable to whole in the multiple user according to each network parameter measurement report of the acquisition
At least one target terminal user is determined in end；
Transmitter 602, the target terminal user for being determined to processor 601 send a notification message；The notice
Message is used to indicate the feedback information whether the target terminal user return is properly received multicast packet, and the feedback information is
The target terminal user uses what the feedback channel resources configured for the target terminal user were fed back；
Transmitter 602 is additionally operable to send the multicast packet to multiple user terminals that the multicast group includes；
Processor 601 is additionally operable to send described group to multiple user terminals that the multicast group includes in transmitter 602
After multicast data, the feedback information that the target terminal user returns is received.
Specifically, the corresponding use of multiple user terminals that base station 600 is included by the acquisition of processor 601 multicast group
In the network parameter measurement report of reflection wireless communication quality；By processor 601 according to each net of the acquisition
Network parameter measurement report determines at least one target terminal user in the multiple user terminal；By transmitter 602 to place
The definite target terminal user of reason device 601 sends a notification message；It is whole that the notification message is used to indicate the target user
Whether end is properly received the feedback information of multicast packet using the feedback channel resources return configured for the target terminal user；
The multicast packet is sent to multiple user terminals that the multicast group includes by transmitter 602；Existed by processor 601
Transmitter 602 receives the target and uses after multiple user terminals that the multicast group includes send the multicast packet
The feedback information that family terminal returns.
Base station 600 provided in an embodiment of the present invention can be used for the technical side for performing embodiment of the method shown in Fig. 2 of the present invention
Case, implementing principle and technical effect are similar, and details are not described herein.
Further, the network parameter measurement report that processor 601 obtains includes following any：Reference signal connects
Receive measurement report, the Timing Advance of measurement report, the measurement report of Reference Signal Received Quality, the channel quality instruction of power
Measurement report.
Further, processor 601 is specifically used for：At least one reflection wireless communication quality is selected to be less than predetermined threshold value
Network parameter measurement report, corresponding user terminal is determined as the target terminal user.
Further, it is described after the notification message that transmitter 602 is sent is included in the definite target terminal user
The feedback channel resources of target terminal user configuration；Alternatively,
After the notification message that transmitter 602 is sent is included in the definite target terminal user, used for the target
It the feedback channel resources of family terminal configuration and is used to indicate the target terminal user and uses the feedback channel resources
Return to the indication information of the feedback information；Alternatively,
The notification message that transmitter 602 is sent includes being used to indicate the target terminal user use definite described
The preconfigured feedback channel resources return to the indication information of the feedback information before target terminal user.
Further, processor 601 are specifically used for：The multiple user terminals included to the multicast group send measurement report
Accuse configuration parameter；What multiple user terminals that receiving multicast group includes were sent respectively is used to reflect wireless communication quality
Network parameter measurement report.
In several embodiments provided by the present invention, it should be understood that disclosed apparatus and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
Only a kind of division of logic function can have other dividing mode in actual implementation, such as multiple units or component can be tied
It closes or is desirably integrated into another system or some features can be ignored or does not perform.It is another, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be the INDIRECT COUPLING or logical by some interfaces, device or unit
Letter connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can be located at a place or can also be distributed to multiple
In network element.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be employed in member is realized, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, is used including some instructions so that a computer
Equipment（Can be personal computer, server or the network equipment etc.）Or processor（processor）It is each to perform the present invention
The part steps of embodiment the method.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only memory（Read-
Only Memory, ROM）, random access memory（Random Access Memory, RAM）, magnetic disc or CD etc. it is various
The medium of program code can be stored.
Those skilled in the art can be understood that, for convenience and simplicity of description, only with above-mentioned each function module
Division progress for example, in practical application, can be complete by different function modules by above-mentioned function distribution as needed
Into the internal structure of device being divided into different function modules, to complete all or part of function described above.On
The specific work process of the device of description is stated, may be referred to the corresponding process in preceding method embodiment, details are not described herein.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technology
The scope of scheme.
Claims (12)
1. a kind of multicast packet sends processing method, which is characterized in that including：
The multiple user terminals included to the multicast group send measurement report configuration parameter；The measurement report configuration parameter
In include measurement target and measurement report condition；
What multiple user terminals that receiving multicast group includes were sent respectively is used to reflect the network ginseng of wireless communication quality
Number measurement report；
At least one target terminal user is determined in the multiple user terminal according to each network parameter measurement report, and
It sends a notification message to the target terminal user；The notification message be used to indicate the target terminal user return whether into
The feedback information of work(receiving multicast data, the feedback information are that the target terminal user is used as the target terminal user
The feedback channel resources feedback of configuration；
The multiple user terminals included to the multicast group send the multicast packet, and receive the target terminal user and return
The feedback information returned.
2. according to the method described in claim 1, it is characterized in that, the network parameter measurement report includes following any one
Kind：The measurement report of Reference Signal Received Power, the measurement report of Reference Signal Received Quality, the measurement report of channel quality instruction
It accuses, the measurement report of Timing Advance.
3. method according to claim 1 or 2, which is characterized in that described to be existed according to each network parameter measurement report
Determine that at least one target terminal user includes in the multiple user terminal：
At least one reflection wireless communication quality is selected to be less than the network parameter measurement report of predetermined threshold value, by corresponding use
Family terminal is determined as the target terminal user.
4. method according to claim 1 or 2, which is characterized in that the notification message is included in the definite target and uses
It is the feedback channel resources of the target terminal user configuration after the terminal of family；Alternatively,
The notification message be included in after the definite target terminal user be the target terminal user configuration the feedback
Channel resource and it is used to indicate the finger that the target terminal user returns to the feedback information using the feedback channel resources
Show information；Alternatively,
The notification message includes being used to indicate the target terminal user use before the target terminal user is determined in advance
The feedback channel resources first configured return to the indication information of the feedback information.
5. a kind of base station, which is characterized in that including：
Acquisition module, multiple user terminals for including to the multicast group send measurement report configuration parameter；The survey
It measures in report configuration parameters comprising measurement target and measurement report condition；
What multiple user terminals that receiving multicast group includes were sent respectively is used to reflect the network ginseng of wireless communication quality
Number measurement report；
Determining module, for whole in the multiple user according to each network parameter measurement report that the acquisition module obtains
At least one target terminal user is determined in end；
Sending module, the target terminal user for being determined to the determining module send a notification message；The notice disappears
Breath is used to indicate the feedback information whether the target terminal user return is properly received multicast packet, and the feedback information is institute
It states target terminal user and uses what the feedback channel resources configured for the target terminal user were fed back；
The sending module is additionally operable to send the multicast packet to multiple user terminals that the multicast group includes；
The acquisition module is additionally operable to described in the multiple user terminals included in the sending module to the multicast group send
After multicast packet, the feedback information that the target terminal user returns is received.
6. base station according to claim 5, which is characterized in that the network parameter measurement report that the acquisition module obtains
Announcement includes following any：The measurement report of Reference Signal Received Power, the measurement report of Reference Signal Received Quality, channel
Measurement report, the measurement report of Timing Advance of quality instruction.
7. base station according to claim 5 or 6, which is characterized in that the determining module is specifically used for：It selects at least one
Reflect that wireless communication quality is less than the network parameter measurement report of predetermined threshold value, corresponding user terminal is determined as described
Target terminal user.
8. base station according to claim 5 or 6, which is characterized in that the notification message bag that the sending module is sent
Include after the target terminal user is determined be target terminal user configuration the feedback channel resources；Alternatively,
The notification message that the sending module is sent is the target user after being included in the definite target terminal user
It the feedback channel resources of terminal configuration and is used to indicate the target terminal user and is returned using the feedback channel resources
Return the indication information of the feedback information；Alternatively,
The notification message that the sending module is sent includes being used to indicate the target terminal user use definite described
The preconfigured feedback channel resources return to the indication information of the feedback information before target terminal user.
9. a kind of base station, which is characterized in that including：
Processor, multiple user terminals for including to the multicast group send measurement report configuration parameter；
What multiple user terminals that receiving multicast group includes were sent respectively is used to reflect the network ginseng of wireless communication quality
Number measurement report；Measurement target and measurement report condition are included in the measurement report configuration parameter；
The processor is additionally operable to each network parameter measurement report according to the acquisition in the multiple user terminal
Determine at least one target terminal user；
Transmitter, the target terminal user for being determined to the processor send a notification message；The notification message is used
The feedback information of multicast packet whether is properly received in the instruction target terminal user return, the feedback information is the mesh
It marks user terminal and uses what the feedback channel resources configured for the target terminal user were fed back；
The transmitter is additionally operable to send the multicast packet to multiple user terminals that the multicast group includes；
The processor is additionally operable to send the multicast to multiple user terminals that the multicast group includes in the transmitter
After data, the feedback information that the target terminal user returns is received.
10. base station according to claim 9, which is characterized in that the network parameter measurement report that the processor obtains
Announcement includes following any：The measurement report of Reference Signal Received Power, the measurement report of Reference Signal Received Quality, channel
Measurement report, the measurement report of Timing Advance of quality instruction.
11. the base station according to claim 9 or 10, which is characterized in that the processor is specifically used for：It selects at least one
Reflect that wireless communication quality is less than the network parameter measurement report of predetermined threshold value, corresponding user terminal is determined as described
Target terminal user.
12. the base station according to claim 9 or 10, which is characterized in that the notification message bag that the transmitter is sent
Include after the target terminal user is determined be target terminal user configuration the feedback channel resources；Alternatively,
The notification message that the transmitter is sent is that the target user is whole after being included in the definite target terminal user
It holds the feedback channel resources of configuration and is used to indicate the target terminal user and returned using the feedback channel resources
The indication information of the feedback information；Alternatively,
The notification message that the transmitter is sent includes being used to indicate the target terminal user use in the definite mesh
The preconfigured feedback channel resources return to the indication information of the feedback information before marking user terminal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2013/082995 WO2015032052A1 (en) | 2013-09-05 | 2013-09-05 | Base station and multicast data sending processing method |
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| CN107872293B (en) * | 2016-09-28 | 2023-04-07 | 华为技术有限公司 | Signal transmission method and device |
| CN106506551A (en) * | 2016-12-28 | 2017-03-15 | 桂林龙隐科技有限公司 | The adaptive feedback method and device of wireless WiFi multi-media broadcasting systems |
| CN111585708B (en) * | 2019-02-15 | 2022-06-10 | 大唐高鸿智联科技(重庆)有限公司 | Method for determining multicast feedback resource, receiving node and sending node |
| CN111757273B (en) * | 2019-03-29 | 2022-04-12 | 阿里巴巴集团控股有限公司 | Multicast communication method, system, multicast application server and terminal of communication network |
| CN111884766B (en) * | 2019-05-01 | 2022-03-29 | 华为技术有限公司 | Multicast feedback configuration method and device |
| CN111800819A (en) * | 2019-08-05 | 2020-10-20 | 维沃移动通信有限公司 | Method for indicating advanced measurement result, terminal equipment and network node |
| EP4024911A4 (en) * | 2019-09-23 | 2022-11-23 | Huawei Technologies Co., Ltd. | Multicast transmission control method and related device |
| CN113573247B (en) * | 2020-04-28 | 2023-04-18 | 华为技术有限公司 | Multicast transmission method, device and system |
| CN115811706A (en) * | 2021-09-14 | 2023-03-17 | 华为技术有限公司 | Channel state parameter transmission method and communication device |
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