CN109246834A - A kind of method for building up, eNB and the gNB of EN dual link - Google Patents
A kind of method for building up, eNB and the gNB of EN dual link Download PDFInfo
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- CN109246834A CN109246834A CN201710310074.9A CN201710310074A CN109246834A CN 109246834 A CN109246834 A CN 109246834A CN 201710310074 A CN201710310074 A CN 201710310074A CN 109246834 A CN109246834 A CN 109246834A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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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
Abstract
A kind of method for building up, eNB and the gNB of EN dual link, which comprises establish 4G network connection with user equipment;The request of NR measuring configuration is sent to gNB;The NR measuring configuration received is pass-through to the user equipment;When receiving NR measurement report, it is pass-through to the gNB for replying the NR measuring configuration;Receive the NR measurement report after interpreting;According to the load condition of the gNB and the intensity of NR measurement report, unique gNB is determined;When determination can establish EN dual link, the request that access-in resource configures is sent to unique gNB;Access-in resource described in transparent transmission is configured to the user equipment, so that the user equipment establishes 5G network connection using access-in resource configuration and unique gNB, realizes the foundation of EN dual link.By above-mentioned scheme, reduce eNB and gNB degree of coupling, convenient for the introducing of new technology and the maintenance of eNB and gNB.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of method for building up, eNB and the gNB of EN dual link.
Background technique
Just under discussion, first stage target is disposed by 4G network to current new wireless (New Radio, NR) standard of 5G
5G network, i.e. dependent (None Stand Alone, NSA) networking model.Under the networking model of this NSA, user equipment
(User Equipment, UE) is resided under the base station (eNB) of 4G network.When data transmission occurs, first establish UE and eNB it
Between connection (4G connection), next decided whether to establish EN dual link (LTE NR Dual for the UE by eNB
Connectivitiy, EN DC).If so, UE is being resettled under the auxiliary that 4G is connected to the network between the base station of 5G network (gNB)
5G network connection, to realize EN dual link.Also, after establishing EN dual link, eNB is known as master base station (Master
Node, MN), gNB is known as prothetic group station (Secondary Node, SN).
Discuss at present, the step of establishing EN dual link approximately as: UE and eNB first establishes 4G connection, then eNB configuration this
UE measures NR signal, and then the UE measures NR signal according to configuration and reports that then eNB sentences according to measurement report to eNB
It is disconnected whether to establish EN dual link, if establishing EN dual link, repeat request UE report without suitable NR cell;If there is suitable NR small
Area, eNB requests corresponding gNB to provide access-in resource, and then gNB replys access-in resource and configures to eNB, and then eNB provides access
UE is issued in source configuration, and UE finally establishes the foundation of EN dual link using access-in resource configuration access 5G network.
But above-mentioned EN dual link method for building up has that eNB and gNB are too tightly coupled, and then is unfavorable for
The introducing of new technology and the maintenance of eNB and gNB.
Summary of the invention
The embodiment of the present invention solves the problems, such as it is how to reduce eNB and gNB degree of coupling, convenient for new technology introducing and
The maintenance of eNB and gNB.
To solve the above problems, the embodiment of the invention provides a kind of method for building up of EN dual link, which comprises
4G network connection is established with user equipment;GNB into coverage area sends the request of NR measuring configuration;The covering that will be received
The NR measuring configuration that gNB in range is replied is pass-through to the user equipment;When receiving the user equipment according to the NR
After measuring configuration measurement NR signal when obtained NR measurement report, it is pass-through to the gNB for replying the NR measuring configuration;Receive warp
Cross the NR measurement report after the gNB for replying the NR measuring configuration is interpreted;According to the reply NR measuring configuration
The load condition of gNB and the intensity of NR measurement report, determine unique gNB;NR after being interpreted according to unique gNB is surveyed
Amount report when determination can establish EN dual link, sends the request that access-in resource configures to unique gNB;It is connect described in reception
Enter resource distribution, and access-in resource described in transparent transmission is configured to the user equipment, so that the user equipment uses the access
Resource distribution and unique gNB establish 5G network connection, realize the foundation of EN dual link.
Optionally, the gNB into coverage area sends the request of NR measuring configuration, comprising: into coverage area
And the request of NR measuring configuration is sent less than the gNB of preset distance threshold at a distance from the user equipment.
Optionally, the gNB and the user equipment are determined based on the included positioning device of 4G network or user equipment
Distance be less than preset distance threshold.
Optionally, after the foundation for realizing EN dual link, further includes: receive unique gNB and acquire
NR measurement report, the NR measurement report directly configures the user equipment for unique gNB and measures institute after NR signal
It obtains;According to the NR measurement report that unique gNB is acquired, the EN dual link is safeguarded.
Optionally, after the foundation for realizing EN dual link, further includes: generate NR measuring configuration;To the user
Equipment sends NR measuring configuration, so that the user equipment measures NR signal;The user equipment is received to be measured according to the NR
Obtained NR measurement report after configuration measurement NR signal, and NR is measured according to the NR measuring configuration according to the user equipment
Obtained NR measurement report safeguards EN dual link after signal.
Optionally, information exchange is carried out by Xn interface and gNB.
The embodiment of the invention provides a kind of method for building up of EN dual link, which comprises comes from eNB when receiving
NR measuring configuration request when, to the eNB reply NR measuring configuration, the eNB established with user equipment 4G network company
It connects;The user equipment is received according to obtained NR measurement report after NR measuring configuration measurement NR signal;Described in interpretation
NR measurement report, and the NR measurement report is sent to the eNB;When receive from the eNB access-in resource configuration
It when request, is configured by access-in resource described in the eNB transparent transmission to the user equipment, so that described in user equipment use
Access-in resource configures and itself establishes 5G network connection, realizes the foundation of EN dual link.
Optionally, obtained NR measurement is reported after the reception user equipment measures NR signal according to the NR measuring configuration
It accuses, suitable for passing through one way in which: directly receiving the NR measurement report from the user equipment;Or it receives described in process
The NR measurement report of eNB transparent transmission.
Optionally, after the foundation for realizing EN dual link, further includes: generate NR measuring configuration;To the user
Equipment sends NR measuring configuration, so that the user equipment measures NR signal;The user equipment is received to be measured according to the NR
Obtained NR measurement report after configuration measurement NR signal, and NR is measured according to the NR measuring configuration according to the user equipment
The connection of obtained NR measurement report maintenance 5G network after signal.
Optionally, the obtained NR after the reception user equipment measures NR signal according to the NR measuring configuration
After measurement report, further includes: transmit the NR measurement report to the eNB.
Optionally, information exchange is carried out by Xn interface and the eNB.
The embodiment of the invention provides a kind of eNB, the eNB includes: to establish unit, suitable for establishing 4G net with user equipment
Network connection;First transmission unit sends the request of NR measuring configuration suitable for the gNB into coverage area;First transparent transmission unit is fitted
The user equipment is pass-through in the NR measuring configuration for replying the gNB in the coverage area received;Second transparent transmission unit is fitted
When the obtained NR measurement report after receiving the user equipment according to NR measuring configuration measurement NR signal, transparent transmission
To the gNB for replying the NR measuring configuration;First receiving unit, suitable for receiving by the reply NR measuring configuration
NR measurement report after gNB interpretation;Determination unit, suitable for the load condition according to the gNB for replying the NR measuring configuration
And the intensity of NR measurement report, determine unique gNB;Second transmission unit, suitable for when according to unique gNB interpret after
NR measurement report when determination can establish EN dual link, sends the request that access-in resource configures to unique gNB;Third is saturating
Leaflet member is suitable for receiving the access-in resource configuration, and access-in resource described in transparent transmission is configured to the user equipment, so that described
User equipment establishes 5G network connection using access-in resource configuration and unique gNB, realizes the foundation of EN dual link.
Optionally, first transmission unit, suitable for into coverage area and be less than at a distance from the user equipment
The gNB of preset distance threshold sends the request of NR measuring configuration.
Optionally, first transmission unit, suitable for being determined based on the included positioning device of 4G network or user equipment
The gNB is less than preset distance threshold at a distance from the user equipment.
Optionally, eNB further include: the first maintenance unit, first maintenance unit are suitable in the realization EN dual link
Foundation after, receive the NR measurement report that unique gNB is acquired, the NR measurement report is described unique
Obtained by gNB is directly configured after the user equipment measurement NR signal;The NR measurement report acquired according to unique gNB
It accuses, safeguards the EN dual link.
Optionally, eNB further include: the second maintenance unit, second maintenance unit are suitable in the realization EN dual link
Foundation after, generate NR measuring configuration;NR measuring configuration is sent to the user equipment, so that the user equipment measures NR
Signal;The user equipment is received according to obtained NR measurement report after NR measuring configuration measurement NR signal, and according to
Obtained NR measurement report safeguards EN dual link after the user equipment measures NR signal according to the NR measuring configuration.
Optionally, information exchange is carried out by Xn interface and gNB.
The embodiment of the invention provides a kind of gNB, the gNB includes: the second receiving unit, suitable for receiving from eNB's
The request of NR measuring configuration;Unit is replied, suitable for receiving asking for the NR measuring configuration from eNB when second receiving unit
When asking, NR measuring configuration is replied to the eNB, the eNB has established 4G network connection with user equipment;Third receiving unit,
Suitable for receiving the user equipment according to obtained NR measurement report after NR measuring configuration measurement NR signal;It interprets single
Member is suitable for interpreting the NR measurement report;Third transmission unit is suitable for sending the NR measurement report to the eNB;4th connects
Unit is received, suitable for receiving the request of the access-in resource configuration from the eNB;4th transparent transmission unit connects suitable for working as the described 4th
When receipts unit receives the request of the configuration of the access-in resource from the eNB, passes through access-in resource described in the eNB transparent transmission and configure
It is realized to the user equipment so that the user equipment is configured using the access-in resource and itself establishes 5G network connection
The foundation of EN dual link.
Optionally, the third receiving unit is suitable for receiving user equipment by one way in which and surveying according to the NR
Obtained NR measurement report after amount configuration measurement NR signal: the NR measurement report directly is received from the user equipment;Or
Receive the NR measurement report by the eNB transparent transmission.
Optionally, gNB further include: third maintenance unit, the third maintenance unit are suitable in the realization EN dual link
Foundation after, generate NR measuring configuration;NR measuring configuration is sent to the user equipment, so that the user equipment measures NR
Signal;The user equipment is received according to obtained NR measurement report after NR measuring configuration measurement NR signal, and according to
The user equipment measures the connection of obtained NR measurement report maintenance 5G network after NR signal according to the NR measuring configuration.
Optionally, the third maintenance unit is further adapted for being matched in the reception user equipment according to the NR measurement
It sets after measurement NR signal after obtained NR measurement report, transmits the NR measurement report to the eNB.
Optionally, information exchange is carried out by Xn interface and the eNB.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantage that
Above-mentioned scheme, eNB receives the NR measuring configuration from gNB, and is pass-through to user equipment, and then will correspondingly connect
The NR measurement report received is pass-through to the gNB, so that gNB interprets NR measurement report, then eNB is directly being interpreted using gNB
When NR measurement report determination afterwards can establish EN dual link, then the access-in resource got from gNB is configured and is pass-through to user
Equipment realizes EN dual link so that the user equipment establishes 5G network connection using access-in resource configuration and the gNB
Foundation.From the foregoing, it will be observed that the establishment process of entire EN dual link generates NR measuring configuration without eNB and interprets NR measurement report,
And the processing of information is carried out by gNB, therefore can reduce eNB and gNB degree of coupling, consequently facilitating the maintenance of eNB and gNB.And
And since gNB is the base station under 5G network, has the performance that some eNB do not possess, can preferably be combined with new technology,
Therefore the method for building up of the EN dual link can also be convenient for the introducing of new technology.
Since the gNB in eNB coverage area is large number of, thus by only into coverage area and with the user
The gNB that the distance of equipment is less than preset distance threshold sends the request of NR measuring configuration, can make eNB more targetedly
NR measuring configuration is obtained to gNB, rather than all gNB into coverage area obtain NR measuring configuration, it is possible to reduce network
The waste of resource, and improve communication efficiency.
Further, eNB receives unique gNB and directly configures acquired obtained NR after user equipment measurement NR signal
Measurement report, and EN dual link is safeguarded according to the NR measurement report, eNB and gNB are homologous to the NR measuring configuration of user equipment,
Can occur difference to avoid the measuring configuration of MN and SN, therefore NR can be mitigated to user equipment and measure burden, therefore use can be reduced
The power consumption of family equipment.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for building up of one of embodiment of the present invention EN dual link;
Fig. 2 is the flow diagram of the method for building up of another EN dual link in the embodiment of the present invention;
Fig. 3 is the Signalling exchange schematic diagram of the method for building up of one of embodiment of the present invention EN dual link;
Fig. 4 is the structural schematic diagram of one of embodiment of the present invention EN dual link;
Fig. 5 is the Signalling exchange schematic diagram of the method for building up of one of embodiment of the present invention EN dual link;
Fig. 6 is the structural schematic diagram of one of embodiment of the present invention eNB;
Fig. 7 is the structural schematic diagram of one of embodiment of the present invention gNB.
Specific embodiment
As above, EN dual link method for building up in the prior art has that eNB and gNB are too tightly coupled, in turn
It is unfavorable for the introducing of new technology and the maintenance of eNB and gNB.
To solve the above problems, the eNB of the embodiment of the present invention receives the NR measuring configuration from gNB, and it is pass-through to user
Equipment, and then the NR measurement report received is correspondingly pass-through to the gNB, so that gNB interprets NR measurement report, then
ENB connects when the NR measurement report determination after directly being interpreted using gNB can establish EN dual link, then by what is got from gNB
Enter resource distribution and be pass-through to user equipment, so that the user equipment establishes 5G with the gNB using access-in resource configuration
The foundation of EN dual link is realized in network connection.From the foregoing, it will be observed that the establishment process of entire EN dual link generates NR measurement without eNB
Configuration and interpretation NR measurement report, and the processing of information is carried out by gNB, therefore can reduce eNB and gNB degree of coupling, thus
Convenient for the maintenance of eNB and gNB.Also, since gNB is the base station under 5G network, have the performance that some eNB do not possess, it can
Preferably to be combined with new technology, therefore the method for building up of the EN dual link can also be convenient for the introducing of new technology.
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
Fig. 1 shows the method for building up of one of embodiment of the present invention EN dual link, below with reference to Fig. 1 to the method
It is discussed in detail step by step, the method can be implemented in accordance with the following steps:
Step S11: 4G network connection is established with user equipment.
In specific implementation, user equipment generally resides under the base station (eNB) of 4G network, therefore when there are data transmission
When demand, eNB can first establish 4G network connection with user equipment.
Step S12: the gNB into coverage area sends the request of NR measuring configuration.
Base station under 5G network is referred to as gNB, and current 5G network is under dependent networking model, and 5G network is built
It is vertical to depend on 4G network, therefore in specific implementation, user face (User can be carried out by Xn interface between eNB and gNB
Plane, UP) and control plane (Control Plane, CP) on information exchange.
In specific implementation, the radius of the coverage area of eNB is about 1 kilometer, and the coverage area of gNB is relatively small, then
GNB in the coverage area of eNB is large number of.Therefore in order to improve the specific aim of communication, the waste of Internet resources is reduced, it is described
GNB into coverage area sends the request of NR measuring configuration, can be into coverage area and with the user equipment
The gNB that distance is less than preset distance threshold sends the request of NR measuring configuration.
In other words, eNB is not the request that all gNB sends NR measuring configuration into coverage area, but only to
The gNB that the distance of user equipment is less than preset distance threshold sends the request of NR measuring configuration, therefore communication effect can be improved
Rate.
In specific implementation, the positioning device that eNB can be included based on 4G network or user equipment, it is described to determine
GNB is less than preset distance threshold at a distance from the user equipment.
Step S13: the NR measuring configuration replied of the gNB in the coverage area received is pass-through to the user equipment.
In specific implementation, the NR measuring configuration that eNB can reply the gNB in the coverage area received, directly thoroughly
Reach the user equipment.In other words, the NR measuring configuration that eNB does not reply gNB does any processing, but as one
Flight data recorder is transmitted directly to user equipment, therefore can reduce the treating capacity of eNB, and reduces gNB to the degree of coupling of eNB.
Step S14: obtained NR after receiving the user equipment and measuring NR signal according to the NR measuring configuration
When measurement report, it is pass-through to the gNB for replying the NR measuring configuration.
The interpretation of NR measurement report may be implemented in the base station for sending NR measuring configuration, therefore corresponding, in specific implementation,
It, can after eNB receives the user equipment according to the NR measuring configuration measurement NR signal when obtained NR measurement report
The NR measurement report as flight data recorder, is not done any extra process, directly it is pass-through to and replys the NR measuring configuration
GNB, therefore also can reduce eNB and gNB degree of coupling, consequently facilitating the maintenance of eNB and gNB.
Step S15: the NR measurement report after the gNB for replying the NR measuring configuration is interpreted is received.
Step S16: according to the load condition of the gNB for replying the NR measuring configuration and the intensity of NR measurement report,
Determine unique gNB.
Involved gNB may be multiple in step S12~step S15, and end-user device can be with wherein one
A gNB establishes 5G network connection, therefore in specific implementation, eNB can be according to the negative of the gNB for replying the NR measuring configuration
The intensity of load state and NR measurement report determines unique gNB.For example, eNB determines the NR that gNB1, gNB2 and gNB3 are interpreted
The intensity size of measurement report successively reduces, but gNB1 current load capacity is exceeded, in excessively busy load shape
State, then eNB can determine that unique gNB is gNB2.
Step S17: when the NR measurement report determination after being interpreted according to unique gNB can establish EN dual link, to
Unique gNB sends the request of access-in resource configuration.
Step S18: the access-in resource configuration is received, and access-in resource described in transparent transmission is configured to the user equipment.
In specific implementation, eNB can receive the access-in resource configuration of gNB transmission, and access-in resource described in transparent transmission
Configuration is to the user equipment, so that the user equipment is built using access-in resource configuration with unique gNB
Vertical 5G network connection, realizes the foundation of the EN dual link of 4G network and 5G network.
Currently, the foundation of EN dual link, which needs to rely on eNB, carries out the configuration of NR measurement and the interpretation of NR measurement report, the party
Method has that eNB and gNB are too tightly coupled, and then is unfavorable for the introducing of new technology and the maintenance of eNB and gNB.
And the eNB of the embodiment of the present invention receives the NR measuring configuration from gNB, and is pass-through to user equipment, and then corresponding
The NR measurement report received is pass-through to the gNB by ground, so that gNB interprets NR measurement report, then eNB is directly being used
NR measurement report determination after gNB is interpreted configures transparent transmission when can establish EN dual link, then by the access-in resource got from gNB
EN is realized to user equipment so that the user equipment establishes 5G network connection using access-in resource configuration and the gNB
The foundation of dual link.From the foregoing, it will be observed that the establishment process of entire EN dual link generates NR measuring configuration without eNB and interprets NR measurement
Report, and the processing of information is carried out by gNB, therefore can reduce eNB and gNB degree of coupling, consequently facilitating the dimension of eNB and gNB
Shield.Also, since gNB is the base station under 5G network, have the performance that some eNB do not possess, it can be with new technology preferably
In conjunction with, therefore the method for building up of the EN dual link can also be convenient for the introducing of new technology.
In order to realize the maintenance of EN dual link, in specific implementation, after the foundation for realizing EN dual link, eNB
NR measuring configuration can be generated, then send NR measuring configuration to the user equipment, so that user equipment measurement NR letter
Number, the user equipment, which is then received, according to the NR measuring configuration measures obtained NR measurement report after NR signal, and root
Obtained NR measurement report safeguards EN dual link after measuring NR signal according to the NR measuring configuration according to the user equipment.
After EN dual link is established, eNB needs to measure user equipment the configuration of NR, and gNB is needed to user
Equipment measures the configuration of NR, and is easy to have differences between both, will increase user equipment measurement NR burden and energy consumption.
In order to reduce the energy consumption of user equipment, in specific implementation, after the foundation for realizing EN dual link, eNB
NR measurement report can be acquired from unique gNB, and the NR measurement report is that unique gNB directly matches
It sets the user equipment and measures NR measurement that is obtained, and then directly acquiring according to unique gNB after NR signal
Report, safeguards the EN dual link, therefore the measuring configuration of NR can be voluntarily initiated to avoid eNB.
To more fully understand those skilled in the art and realizing the present invention, Fig. 2 shows in the embodiment of the present invention
A kind of flow diagram of the method for building up of EN dual link, is discussed in detail the method below with reference to Fig. 2, institute step by step
The method of stating may include steps of:
Step S21: judge whether to receive the request of the NR measuring configuration from eNB.
In specific implementation, the eNB established with user equipment 4G network connection, and gNB can by Xn interface with
The eNB carries out information exchange.
When receiving the request of the NR measuring configuration from eNB, step S22 can be executed;Conversely, then continuing to execute step
Rapid S21.
Step S22: NR measuring configuration is replied to the eNB.
Step S23: it receives obtained NR after the user equipment measures NR signal according to the NR measuring configuration and measures
Report.
According to the difference of the mobility management mechanism of network, in specific implementation, gNB can correspondingly use different sides
Formula receives user equipment according to obtained NR measurement report after NR measuring configuration measurement NR signal.Specifically, if working as
Preceding mobility management mechanism is the mobile management of uplink signal, then the NR can be received directly from the user equipment
Measurement report.If current mobility management mechanism is the mobile management of downlink signal, can receive saturating by the eNB
The NR measurement report passed.
Step S24: interpreting the NR measurement report, and sends the NR measurement report to the eNB.
Step S25: judge whether to receive the request of the access-in resource configuration from the eNB.
When receiving the request of the access-in resource configuration from the eNB, step S26 is executed;Conversely, then repeating
Step S25.
Step S26: it is configured by access-in resource described in the eNB transparent transmission to the user equipment.
In specific implementation, when receiving the request of the access-in resource configuration from the eNB, gNB, which can be generated, to be connect
Entering resource distribution, and then access-in resource configuration is sent to eNB, eNB does not do extra process to access-in resource configuration,
But access-in resource configuration is directly pass-through to user equipment, then after receiving access-in resource configuration, user equipment can
To be connected to the network using access-in resource configuration with 5G itself is established, the foundation of EN dual link is realized.
To sum up, the gNB of the embodiment of the present invention is returned when receiving the request of the NR measuring configuration from eNB to the eNB
Multiple NR measuring configuration, and obtained NR is surveyed after receiving the user equipment and measuring NR signal according to the NR measuring configuration
After amount report, the NR measurement report is interpreted, and then configure to the user equipment by the eNB transparent transmission access-in resource, made
It obtains the user equipment to configure using the access-in resource and itself establish 5G network connection, realizes the foundation of EN dual link.By
Above it is found that the establishment process of entire EN dual link generates NR measuring configuration without eNB itself and interprets NR measurement report, and by
GNB carries out the processing of information, therefore can reduce eNB and gNB degree of coupling, consequently facilitating the maintenance of eNB and gNB.Also, due to
GNB is the base station under 5G network, has the performance that some eNB do not possess, can preferably be combined with new technology, therefore the EN is bis-
Establishment of connection method can also be convenient for the introducing of new technology.
In order to realize the maintenance of EN dual link, in specific implementation, after the foundation for realizing EN dual link, gNB
NR measuring configuration can be generated, then send NR measuring configuration to the user equipment, so that user equipment measurement NR letter
Number, the user equipment, which is then received, according to the NR measuring configuration measures obtained NR measurement report after NR signal, and root
The company of obtained NR measurement report maintenance 5G network after NR signal is measured according to the NR measuring configuration according to the user equipment
It connects.
In order to reduce the power consumption of user equipment, in specific implementation, the user equipment is received according to the NR described
Measuring configuration measures after NR signal after obtained NR measurement report, and gNB can also transmit the NR measurement report to described
ENB, so that eNB safeguards the EN dual link, therefore can voluntarily initiate NR to avoid eNB directly according to the NR measurement report
Measuring configuration.
To more fully understand those skilled in the art and realizing the present invention, Fig. 3 is shown in the embodiment of the present invention
A kind of Signalling exchange schematic diagram of the method for building up of EN dual link, as shown in figure 3, the method can be realized with following steps:
Step S301: establishing according to EN dual link and maintenance needs, formulates relevant Xn Interface Flowchart and message.
In specific implementation, smaller based on backhaul (backhaul) time delay, eNB obtains the mechanism of association's processing from gNB
From time upper available satisfaction, and it can technically accomplish that these process and message are less during 5G technological evolvement
Change, therefore establishing for EN dual link can assist processing eNB foundation and the thinking of maintenance EN dual link to carry out according to gNB.
Step S302:eNB establishes 4G with user equipment and connect.
The gNBs, eNB of surrounding certain distance range where step S303:eNB determines certain user equipment according to location technology
By Xn interface requests, these gNBs provide NR measuring configuration.
GNBs indicates multiple gNB.In specific implementation, eNB can carry positioning mould based on 4G or based on user equipment
Block determines the gNBs of surrounding certain distance range where certain user equipment.As shown in figure 3, determining within the scope of certain distance
GNBs is respectively gNB1, gNB2 and gNB3.
NR measuring configuration is returned to eNB by step S304:gNBs, and eNB is sent these NR measuring configurations as flight data recorder
Give the user equipment.
In specific implementation, eNB is not necessarily to interpret NR measuring configuration, but using NR measuring configuration as the direct transparent transmission of flight data recorder
Give certain user equipment.In Fig. 3, hollow arrow characterizes eNB and does not do any processing to the information transmitted, but straight
Transparent transmission information is connect to recipient.
Step S305: certain user equipment executes NR according to the NR measuring configuration received and measures, and sends after a measurement
NR measurement report.ENB sends gNBs to by Xn interface using NR measurement report as flight data recorder.
In specific implementation, eNB is without interpreting NR measurement report, but NR measurement report is passed through directly as flight data recorder
Xn interface passes through gNBs.
Step S306:gNBs interprets NR measurement report, returns to eNB by Xn message.
In specific implementation, gNBs can return to the NR measurement report to eNB by the intelligible Xn message of eNB.
Step S307:eNB selectes unique gNB.
In specific implementation, eNB can be determined and be set with user according to the network state of gNBs and the intensity of NR measurement report
The standby unique gNB for establishing connection.In an embodiment of the present invention, the gNB of selected displacement is gNB3.
Can step S308:eNB establish EN dual link according to the judgement of Xn message.
When eNB can establish EN dual link, execution step S309 according to Xn message decision;Conversely, thening follow the steps S305.
Step S309:eNB requests unique gNB to provide access-in resource by Xn interface.
Step S310:gNB, which configures access-in resource and returns to access-in resource, is allocated to eNB, and access-in resource is configured transparent transmission by eNB
Give the user equipment.
Step S311: the user equipment establishes EN dual link using access-in resource configuration access 5G.
In specific implementation, after EN dual link is established, gNB can directly configure the user equipment and measure and report NR
Signal condition passes through Xn messaging NR measurement report to eNB to safeguard 5G connection.
In specific implementation, maintenance 5G connection may include power control, mobile tracking and cell switch (handover)
Deng.Also, after gNB passes through Xn messaging NR measurement report to eNB, eNB can safeguard dual link accordingly, for example safeguard
The distribution and disconnection of transmission bandwidth.
For ease of understanding, Fig. 4 shows the structural schematic diagram of one of embodiment of the present invention EN dual link, such as Fig. 4 institute
Show, the coverage area of eNB is circle 41, and the coverage area of gNB is circle 42.When real by the method for building up in above embodiments
After existing EN dual link is established, user equipment can carry out CP by eNB and core net (Evolved Packet Core, EPC)
And the information exchange in UP level, gNB can carry out the information exchange in CP and UP level with eNB.User equipment can pass through
GNB and EPC carries out the information exchange in UP level.
By the above it is found that the embodiment of the present invention makes 4G and 5G technology loose coupling as far as possible, thus in dependent group
It is easier to safeguard when under net mode gNB protocol version can upgrade.In addition, configuration and gNB of the eNB to user equipment measurement NR
Both configurations to user equipment measurement NR are homologous, and there is no differences, to give user equipment measurement NR Reduction of Students' Study Load, are conducive to use
Family equipment power saving.
It should be noted that the time delay of the physical connection between eNB and gNB is smaller and smaller as technology and equipment upgrades,
Tend to be ideal.And with advances in technology, the mechanism of network mobility management is also developed.For example, current network is all
Mobile management based on downlink signal, i.e. user equipment measure the beacon signal of peripheral base station, and connected state user equipment is sent
Measurement report does cell switch to base station, base station decision user equipment.And the emerging mobile management based on uplink signal
In, user equipment issues beacon signal, and peripheral base station measures the beacon signal that user equipment issues, direct decision connected state user
Equipment does cell switch.This mode sends measurement report without user equipment, thus can faster tracing customer equipment shape
State.
To more fully understand those skilled in the art and realizing the present invention, and the embodiment of the present invention is drawn in 5G NR
It when entering new technology, can also well adapt to, by taking the mobile management based on uplink signal as an example, Fig. 5 shows implementation of the present invention
The Signalling exchange schematic diagram of one of the example method for building up of EN dual link, as shown in figure 5, the method can be with following steps reality
It is existing:
Step S501: establishing according to EN dual link and maintenance needs, formulates relevant Xn Interface Flowchart and message.
Step S502:eNB establishes 4G with user equipment and connect.
The gNBs, eNB of surrounding certain distance range where step S503:eNB determines certain user equipment according to location technology
By Xn interface requests, these gNBs provide the configuration of NR uplink beacon signal.
GNBs indicates multiple gNB.In specific implementation, eNB can carry positioning mould based on 4G or based on user equipment
Block determines the gNBs of surrounding certain distance range where certain user equipment.As shown in figure 5, certain around where certain user equipment
The gNBs of distance range includes gNB1, gNB2 and gNB3.
The configuration of NR uplink beacon signal is returned to eNB by step S504:gNBs, and eNB matches these NR uplink beacon signals
It sets and is sent to the user equipment as flight data recorder.
In specific implementation, eNB is without interpreting the configuration of NR uplink beacon signal, but NR uplink beacon signal is configured and is made
Certain user equipment is directly passed through for flight data recorder.In Fig. 5, hollow arrow characterizes eNB not to the information transmitted
Do any processing, but directly transparent transmission information is to recipient.
Step S505: certain user equipment executes NR according to the NR uplink beacon signal configuration received and measures, and is surveying
NR uplink beacon signal is sent after amount.
Step S506:gNBs receives NR uplink beacon signal from user equipment, and measures and interpret NR uplink beacon letter
Number, and eNB is sent to by the intelligible Xn message of eNB.
Step S507:eNB selectes unique gNB.
In an embodiment of the present invention, the gNB of selected displacement is gNB1.
Can step S508:eNB establish EN dual link according to the judgement of Xn message.
When eNB can establish EN dual link, execution step S509 according to Xn message decision;Conversely, thening follow the steps S504.
Step S509:eNB requests unique gNB to provide access-in resource by Xn interface.
Step S510:gNB, which configures access-in resource and returns to access-in resource, is allocated to eNB, and access-in resource is configured transparent transmission by eNB
Give the user equipment.
Step S511: the user equipment establishes dual link using access-in resource configuration access 5G.
In specific implementation, after EN dual link is established, gNB directly configures the user equipment and sends NR uplink beacon letter
Number and measure the NR uplink beacon signal of user equipment transmission to safeguard 5G connection, while passing through Xn messaging NR uplink letter
Mark signal measurement is reported to eNB.
In specific implementation, maintenance 5G connection may include power control, mobile tracking and cell switch (handover)
Deng.Also, after gNB passes through Xn messaging NR measurement report to eNB, eNB can safeguard dual link accordingly, for example safeguard
The distribution and disconnection of transmission bandwidth.
To sum up, the eNB of the embodiment of the present invention realizes measuring configuration and survey to user equipment by Xn interface association processing gNB
The reception for measuring report, to establish EN dual link.This method makes 4G and 5G technology loose coupling as far as possible, is convenient for later maintenance.And
And eNB can determine the gNBs of surrounding where user equipment according to location technology, in EN dual link maintenance process, gNB passes through
Xn interface shares user equipment measurement report to eNB.Moreover, the method in the embodiment of the present invention can also be used for the different system of 4G and 5G
Cell switches (inter-RAT handover), convenient for the upgrading of new technology.
To more fully understand those skilled in the art and realizing the present invention, Fig. 6 is shown in the embodiment of the present invention
A kind of eNB 60, as shown in fig. 6, the eNB 60 may include: to establish unit 61, the first transmission unit 62, the first transparent transmission list
First 63, second transparent transmission unit 64, the first receiving unit 65, determination unit 66, the second transmission unit 67 and third transparent transmission unit 68,
Wherein:
Unit 61 is established, suitable for establishing 4G network connection with user equipment;
First transmission unit 62 sends the request of NR measuring configuration suitable for the gNB into coverage area;
First transparent transmission unit 63, the NR measuring configuration suitable for replying the gNB in the coverage area received are pass-through to institute
State user equipment;
Second transparent transmission unit 64, suitable for after receiving the user equipment according to NR measuring configuration measurement NR signal
When obtained NR measurement report, it is pass-through to the gNB for replying the NR measuring configuration;
First receiving unit 65, suitable for receiving the NR measurement after the gNB for replying the NR measuring configuration is interpreted
Report;
Determination unit 66, suitable for the load condition and NR measurement report according to the gNB for replying the NR measuring configuration
Intensity, determine unique gNB;
Second transmission unit 67, suitable for NR measurement report after being interpreted according to unique gNB, determination can establish EN
When dual link, the request that access-in resource configures is sent to unique gNB;
Third transparent transmission unit 68 is suitable for receiving the access-in resource configuration, and access-in resource described in transparent transmission is configured to described
User equipment, so that the user equipment establishes 5G network connection using access-in resource configuration and unique gNB, it is real
The foundation of existing EN dual link.
To sum up, the eNB of the embodiment of the present invention receives the NR measuring configuration from gNB, and by 63 transparent transmission of the first transparent transmission unit
To user equipment, and then the NR measurement report received is correspondingly pass-through to the gNB by the second transparent transmission unit 64, so that gNB
NR measurement report is interpreted, when then NR measurement report determination of the eNB after the direct interpretation using gNB can establish EN dual link, then
The access-in resource got from gNB configuration is pass-through to user equipment by third transparent transmission unit 68, so that the user equipment
5G network connection is established using access-in resource configuration and the gNB, realizes the foundation of EN dual link.From the foregoing, it will be observed that entire
The establishment process of EN dual link generates NR measuring configuration without eNB itself and interprets NR measurement report, and carries out information by gNB
Processing, therefore can reduce eNB and gNB degree of coupling, consequently facilitating the maintenance of eNB and gNB.Also, since gNB is 5G network
Under base station, have the performance that some eNB do not possess, can preferably be combined with new technology, therefore the foundation of the EN dual link
Method can also be convenient for the introducing of new technology.
In specific implementation, first transmission unit 62, suitable for into coverage area and with the user equipment
The gNB that distance is less than preset distance threshold sends the request of NR measuring configuration.
In specific implementation, first transmission unit 62, suitable for the positioning included based on 4G network or user equipment
Equipment determines that the gNB is less than preset distance threshold at a distance from the user equipment.
In specific implementation, the eNB 60 can also include: the first maintenance unit (not shown), and first maintenance is single
Member is suitable for after the foundation for realizing EN dual link, receives the NR measurement report that unique gNB is acquired, described
NR measurement report is obtained by unique gNB is directly configured after the user equipment measurement NR signal;According to described unique
The NR measurement report that acquires of gNB, safeguard the EN dual link.
In specific implementation, the eNB 60 can also include: the second maintenance unit (not shown).Second maintenance is single
Member is suitable for after the foundation for realizing EN dual link, generates NR measuring configuration;NR measurement is sent to the user equipment to match
It sets, so that the user equipment measures NR signal;After the user equipment is received according to NR measuring configuration measurement NR signal
Obtained NR measurement report, and according to the user equipment according to obtained NR after NR measuring configuration measurement NR signal
Measurement report safeguards EN dual link.
In specific implementation, the eNB 60 can carry out information exchange by Xn interface and gNB.
To more fully understand those skilled in the art and realizing the present invention, Fig. 7 is shown in the embodiment of the present invention
A kind of gNB 70, as shown in fig. 7, the gNB 70 may include: the second receiving unit 71, reply unit 72, third reception list
Member 73 interprets unit 74, third transmission unit 75, the 4th receiving unit 76 and the 4th transparent transmission unit 77, in which:
Second receiving unit 71, suitable for receiving the request of the NR measuring configuration from eNB;
Reply unit 72, when request suitable for receiving the NR measuring configuration from eNB when second receiving unit 71,
NR measuring configuration is replied to the eNB, the eNB has established 4G network connection with user equipment;
Third receiving unit 73 is suitable for receiving the user equipment according to gained after NR measuring configuration measurement NR signal
The NR measurement report arrived;
Unit 74 is interpreted, is suitable for interpreting the NR measurement report;
Third transmission unit 75 is suitable for sending the NR measurement report to the eNB;
4th receiving unit 76, suitable for receiving the request of the access-in resource configuration from the eNB;
4th transparent transmission unit 77, suitable for matching when the 4th receiving unit 76 receives the access-in resource from the eNB
It when the request set, is configured by access-in resource described in the eNB transparent transmission to the user equipment, so that the user equipment uses
The access-in resource configuration is connected to the network with 5G itself is established, and realizes the foundation of EN dual link.
To sum up, the reply unit 72 of the embodiment of the present invention receives the NR measurement from eNB in the second receiving unit 71 and matches
When the request set, NR measuring configuration is replied to the eNB, and when third receiving unit 73 receives the user equipment according to institute
It states after NR measuring configuration measurement NR signal after obtained NR measurement report, the NR measurement report is interpreted by interpretation unit 74,
And then configured by the eNB transparent transmission access-in resource to the user equipment by the 4th transparent transmission unit 77, so that the user sets
It is standby to be connected to the network using access-in resource configuration with 5G itself is established, realize the foundation of EN dual link.From the foregoing, it will be observed that entire EN
The establishment process of dual link generates NR measuring configuration without eNB itself and interprets NR measurement report, and carries out information by gNB
Processing, therefore can reduce eNB and gNB degree of coupling, consequently facilitating the maintenance of eNB and gNB.Also, since gNB is under 5G network
Base station, have the performance that some eNB do not possess, can preferably be combined with new technology, therefore the foundation side of the EN dual link
Method can also be convenient for the introducing of new technology.
In specific implementation, the third receiving unit 73, is suitable for through one way in which, receive user equipment according to
Obtained NR measurement report after the NR measuring configuration measurement NR signal: the NR measurement directly is received from the user equipment
Report;Or receive the NR measurement report for passing through the eNB transparent transmission.
In specific implementation, gNB70 can also include: third maintenance unit (not shown).The third maintenance unit is fitted
In after the foundation for realizing EN dual link, NR measuring configuration is generated;NR measuring configuration is sent to the user equipment, is made
It obtains the user equipment and measures NR signal;The user equipment is received according to acquired after NR measuring configuration measurement NR signal
NR measurement report, and obtained NR measurement report after NR signal is measured according to the NR measuring configuration according to the user equipment
Accuse the connection of maintenance 5G network.
In specific implementation, the third maintenance unit can be adapted to receive the user equipment according to institute described
It states after NR measuring configuration measurement NR signal after obtained NR measurement report, transmits the NR measurement report to the eNB.
In specific implementation, information exchange is carried out by Xn interface and the eNB.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (22)
1. a kind of method for building up of EN dual link characterized by comprising
4G network connection is established with user equipment;
GNB into coverage area sends the request of NR measuring configuration;
GNB in the coverage area received the NR measuring configuration replied is pass-through to the user equipment;
After receiving the user equipment according to the NR measuring configuration measurement NR signal when obtained NR measurement report, thoroughly
Reach the gNB for replying the NR measuring configuration;
Receive the NR measurement report after the gNB for replying the NR measuring configuration is interpreted;
According to the load condition of the gNB for replying the NR measuring configuration and the intensity of NR measurement report, determine unique
gNB;
NR measurement report after being interpreted according to unique gNB, when determination can establish EN dual link,
The request that access-in resource configures is sent to unique gNB;
The access-in resource configuration is received, and access-in resource described in transparent transmission is configured to the user equipment, so that the user sets
It is standby that 5G network connection is established using access-in resource configuration and unique gNB, realize the foundation of EN dual link.
2. the method for building up of EN dual link as described in claim 1, which is characterized in that the gNB hair into coverage area
Send the request of NR measuring configuration, comprising:
GNB that is into coverage area and being less than preset distance threshold at a distance from the user equipment sends NR measuring configuration
Request.
3. the method for building up of EN dual link as claimed in claim 2, which is characterized in that certainly based on 4G network or user equipment
The positioning device of band determines that the gNB is less than preset distance threshold at a distance from the user equipment.
4. the method for building up of EN dual link as described in claim 1, which is characterized in that in the foundation for realizing EN dual link
Later, further includes:
The NR measurement report that unique gNB is acquired is received, the NR measurement report is that unique gNB directly matches
Obtained by setting after the user equipment measurement NR signal;
According to the NR measurement report that unique gNB is acquired, the EN dual link is safeguarded.
5. the method for building up of EN dual link as described in claim 1, which is characterized in that in the foundation for realizing EN dual link
Later, further includes:
Generate NR measuring configuration;
NR measuring configuration is sent to the user equipment, so that the user equipment measures NR signal;
The user equipment is received according to obtained NR measurement report after NR measuring configuration measurement NR signal, and according to institute
It states obtained NR measurement report after user equipment measures NR signal according to the NR measuring configuration and safeguards EN dual link.
6. the method for building up of EN dual link as claimed in any one of claims 1 to 5, which is characterized in that pass through Xn interface and gNB
Carry out information exchange.
7. a kind of method for building up of EN dual link characterized by comprising
When receiving the request of the NR measuring configuration from eNB, to the eNB reply NR measuring configuration, the eNB with
Family equipment establishes 4G network connection;
The user equipment is received according to obtained NR measurement report after NR measuring configuration measurement NR signal;
The NR measurement report is interpreted, and sends the NR measurement report to the eNB;
When receiving the request of the access-in resource configuration from the eNB, configured by access-in resource described in the eNB transparent transmission
It is realized to the user equipment so that the user equipment is configured using the access-in resource and itself establishes 5G network connection
The foundation of EN dual link.
8. the method for building up of EN dual link as claimed in claim 7, which is characterized in that the reception user equipment is according to described
NR measuring configuration measures obtained NR measurement report after NR signal, suitable for passing through one way in which:
Directly the NR measurement report is received from the user equipment;
Or receive the NR measurement report for passing through the eNB transparent transmission.
9. the method for building up of EN dual link as claimed in claim 7, which is characterized in that in the foundation for realizing EN dual link
Later, further includes:
Generate NR measuring configuration;
NR measuring configuration is sent to the user equipment, so that the user equipment measures NR signal;
The user equipment is received according to obtained NR measurement report after NR measuring configuration measurement NR signal, and according to institute
State the connection that user equipment measures obtained NR measurement report maintenance 5G network after NR signal according to the NR measuring configuration.
10. the method for building up of EN dual link as claimed in claim 9, which is characterized in that receive the user equipment described
After obtained NR measurement report after NR measuring configuration measurement NR signal, further includes:
The NR measurement report is transmitted to the eNB.
11. as the described in any item EN dual links of claim 7~10 method for building up, which is characterized in that by Xn interface with
The eNB carries out information exchange.
12. a kind of eNB characterized by comprising
Unit is established, suitable for establishing 4G network connection with user equipment;
First transmission unit sends the request of NR measuring configuration suitable for the gNB into coverage area;
First transparent transmission unit, the NR measuring configuration suitable for replying the gNB in the coverage area received are pass-through to the user
Equipment;
Second transparent transmission unit, obtained by after receiving the user equipment and measuring NR signal according to the NR measuring configuration
NR measurement report when, be pass-through to the gNB for replying the NR measuring configuration;
First receiving unit, suitable for receiving the NR measurement report after the gNB for replying the NR measuring configuration is interpreted;
Determination unit, suitable for according to the load condition of the gNB for replying the NR measuring configuration and the intensity of NR measurement report,
Determine unique gNB;
Second transmission unit, suitable for NR measurement report after being interpreted according to unique gNB, determination can establish EN dual link
When, the request that access-in resource configures is sent to unique gNB;
Third transparent transmission unit is suitable for receiving the access-in resource configuration, and access-in resource described in transparent transmission is configured to the user and set
It is standby, so that the user equipment establishes 5G network connection using access-in resource configuration and unique gNB, realize that EN is bis-
Establishment of connection.
13. eNB as claimed in claim 12, which is characterized in that first transmission unit, suitable for into coverage area and
With the request for the gNB transmission NR measuring configuration for being less than preset distance threshold at a distance from the user equipment.
14. eNB as claimed in claim 13, which is characterized in that first transmission unit is suitable for being based on 4G network or use
Equipment included positioning device in family determines that the gNB is less than preset distance threshold at a distance from the user equipment.
15. eNB as claimed in claim 12, which is characterized in that further include: the first maintenance unit, first maintenance unit
Suitable for receiving the NR measurement report that unique gNB is acquired, the NR after the foundation for realizing EN dual link
Measurement report is obtained by unique gNB is directly configured after the user equipment measurement NR signal;According to described unique
The NR measurement report that gNB is acquired safeguards the EN dual link.
16. eNB as claimed in claim 12, which is characterized in that further include: the second maintenance unit, second maintenance unit
Suitable for generating NR measuring configuration after the foundation for realizing EN dual link;NR measuring configuration is sent to the user equipment,
So that the user equipment measures NR signal;The user equipment is received according to gained after NR measuring configuration measurement NR signal
The NR measurement report arrived, and measured according to the user equipment according to obtained NR after NR measuring configuration measurement NR signal
Report maintenance EN dual link.
17. such as the described in any item eNB of claim 12~16, which is characterized in that carry out information friendship by Xn interface and gNB
Mutually.
18. a kind of gNB characterized by comprising
Second receiving unit, suitable for receiving the request of the NR measuring configuration from eNB;
Unit is replied, when request suitable for receiving the NR measuring configuration from eNB when second receiving unit, to described
ENB replys NR measuring configuration, and the eNB has established 4G network connection with user equipment;
Third receiving unit is suitable for receiving the user equipment according to obtained NR after NR measuring configuration measurement NR signal
Measurement report;
Unit is interpreted, is suitable for interpreting the NR measurement report;
Third transmission unit is suitable for sending the NR measurement report to the eNB;
4th receiving unit, suitable for receiving the request of the access-in resource configuration from the eNB;
4th transparent transmission unit, suitable for receiving the request of the configuration of the access-in resource from the eNB when the 4th receiving unit
When, it is configured by access-in resource described in the eNB transparent transmission to the user equipment, so that the user equipment uses the access
Resource distribution is connected to the network with 5G itself is established, and realizes the foundation of EN dual link.
19. gNB as claimed in claim 18, which is characterized in that the third receiving unit is suitable for passing through one of which side
Formula receives user equipment according to obtained NR measurement report after NR measuring configuration measurement NR signal:
Directly the NR measurement report is received from the user equipment;
Or receive the NR measurement report for passing through the eNB transparent transmission.
20. gNB as claimed in claim 18, which is characterized in that further include: third maintenance unit, the third maintenance unit,
Suitable for generating NR measuring configuration after the foundation for realizing EN dual link;NR measuring configuration is sent to the user equipment,
So that the user equipment measures NR signal;The user equipment is received according to gained after NR measuring configuration measurement NR signal
The NR measurement report arrived, and measured according to the user equipment according to obtained NR after NR measuring configuration measurement NR signal
The connection of report maintenance 5G network.
21. gNB as claimed in claim 20, which is characterized in that the third maintenance unit is further adapted for described in the reception
After user equipment is according to obtained NR measurement report after NR measuring configuration measurement NR signal, the NR measurement report is transmitted
It accuses to the eNB.
22. such as the described in any item gNB of claim 18~21, which is characterized in that carry out information by Xn interface and the eNB
Interaction.
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