CN110012480A - Data forwarding method, user equipment and base station - Google Patents

Data forwarding method, user equipment and base station Download PDF

Info

Publication number
CN110012480A
CN110012480A CN201810010479.5A CN201810010479A CN110012480A CN 110012480 A CN110012480 A CN 110012480A CN 201810010479 A CN201810010479 A CN 201810010479A CN 110012480 A CN110012480 A CN 110012480A
Authority
CN
China
Prior art keywords
data
information
base station
protocol stack
enue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810010479.5A
Other languages
Chinese (zh)
Inventor
汪巍崴
张世昌
许丽香
王弘
李迎阳
王轶
麻晓宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Samsung Telecom R&D Center
Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
Original Assignee
Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Samsung Telecommunications Technology Research Co Ltd, Samsung Electronics Co Ltd filed Critical Beijing Samsung Telecommunications Technology Research Co Ltd
Priority to CN201810010479.5A priority Critical patent/CN110012480A/en
Priority to EP20206531.4A priority patent/EP3796745B1/en
Priority to PCT/KR2018/005290 priority patent/WO2018203739A1/en
Priority to KR1020217014014A priority patent/KR102301907B1/en
Priority to EP18793976.4A priority patent/EP3479647B1/en
Priority to KR1020187037456A priority patent/KR102252271B1/en
Priority to EP21190384.4A priority patent/EP3927107B1/en
Priority to ES18793976T priority patent/ES2841848T3/en
Priority to ES20206531T priority patent/ES2886519T3/en
Priority to US16/318,244 priority patent/US10880789B2/en
Priority to US16/250,519 priority patent/US10880799B2/en
Publication of CN110012480A publication Critical patent/CN110012480A/en
Priority to US17/128,964 priority patent/US11546811B2/en
Priority to US17/128,921 priority patent/US11477703B2/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

This application discloses a kind of data forwarding methods, comprising: the instruction that the first UE receives base station enters enhancement mode；First UE forwards the data between the base station and the 2nd UE.Present invention also provides a kind of data transfer equipment, user equipment and base stations.Using technical solution disclosed in the present application, it can be realized the data that UE helps base station to forward other UE.

Description

Data forwarding method, user equipment and base station
Technical field
This application involves mobile communication technology, in particular to support to carry out in 5G communication network the method for data forwarding, User equipment and base station.
Background technique
In 5G communication system different network elements according to the task dividable undertaken be user equipment (UE), access node (gNB), The different types such as core net functional entity (CN).
Fig. 1 is the schematic diagram of system architecture in 5G communication system.
UE is connect by air interface (Uu interface) with gNB, is sent, is received control plane (CP) and user plane (UP) data.
In actual scene, the different UE for connecting identical gNB might have different wireless channel conditions.The channel of some UE Condition may be very well；The channel condition of some UE may be very poor, the quality of service of these UE may be subjected to very big influence, so that In severe exacerbation user experience.It is when congestion occurs in cell, if all users are carried out by base station there are one scene Communication, then may be unable to satisfy normal work, therefore, it is necessary to some UE to help base station to forward the data of other UE.
Summary of the invention
This application provides a kind of data forwarding method, user equipment and base stations, to realize UE repeating base station and other UE Data.
This application discloses a kind of data forwarding methods, comprising:
The instruction that first UE receives base station enters enhancement mode；
First UE forwards the data between the base station and the 2nd UE.
Preferably, this method further include: the first UE receives base station to the running time-frequency resource of the 2nd UE from base station Scheduling information；
It includes: that the first UE is received from base station that first UE, which forwards the data between the base station and the 2nd UE, It is sent to the downlink data of the 2nd UE, after corresponding protocol stack structure is successively handled in the enhanced mode through the first UE, is pressed The 2nd UE is transmitted on corresponding running time-frequency resource according to the scheduling information of the running time-frequency resource of the 2nd UE；And/or described first UE receives being sent to from the 2nd UE according to the scheduling information of the running time-frequency resource of the 2nd UE on corresponding running time-frequency resource The upstream data of base station is transmitted to base station after corresponding protocol stack structure is successively handled in the enhanced mode through the first UE.
Preferably, this method further include: the first UE sends the scheduling information of running time-frequency resource to the 2nd UE；
It includes: that the first UE is received from base station that first UE, which forwards the data between the base station and the 2nd UE, It is sent to the downlink data of the 2nd UE, after corresponding protocol stack structure is successively handled in the enhanced mode through the first UE, is pressed The 2nd UE is transmitted on corresponding running time-frequency resource according to the scheduling information；And/or the first UE is according to the scheduling information The upstream data for being sent to base station from the 2nd UE is received on corresponding running time-frequency resource, through the first UE in enhancement mode Under after corresponding protocol stack structure successively handles, be transmitted to base station.
Preferably, this method further include:
First UE receives access information and community configured information from the base station, and the access information is used for the 2nd UE Access the UE；
First UE sends the access information and configuration information, and receives the access request of the 2nd UE.
Preferably, this method further include: the first UE reports the channel state information of the first link to the base station；Institute Link of first link between the first UE and base station is stated, the channel state information is good for base station selected channel condition Enter enhancement mode in the first UE of setting first threshold, to forward channel condition to be worse than the 2nd UE and base of setting second threshold Data between standing.
Preferably, the information that the first UE is reported to base station further include: at least one between the first UE and the 2nd UE Channel state information on carrier wave.
Preferably, before the instruction that the first UE receives base station enters enhancement mode, further includes:
The protocol stack structure information that first UE reports the first UE to be supported in the enhanced mode to the base station, The protocol stack structure that first UE is supported in the enhanced mode is included at least with one of flowering structure:
Protocol stack structure B0, control plane includes: radio resource control RRC layer, PDCP layers of Packet Data Convergence Protocol, nothing Wired link controls rlc layer, media access control MAC layer and physical PHY layer, and user plane includes: that service data adapts to agreement SDAP layers, PDCP layers, rlc layer, MAC layer and PHY layer；
Protocol stack structure B1, comprising: PDCP layers, rlc layer, MAC layer and PHY layer；
Protocol stack structure B2, comprising: PDCP layers of a part, rlc layer, MAC layer and PHY layer；
Protocol stack structure B3, comprising: rlc layer, MAC layer and PHY layer；
Protocol stack structure B4, comprising: a part, MAC layer and the PHY layer of rlc layer；
Protocol stack structure B5, comprising: MAC layer and PHY layer；
Protocol stack structure B6, comprising: a part and PHY layer of MAC layer；
Protocol stack structure B7, comprising: PHY layer；
Protocol stack structure B8, comprising: a part of PHY layer.
Preferably, the instruction of the base station includes at least one in following information:
A, the first UE in the enhanced mode used in protocol stack structure information；
B, the plane information that the protocol stack structure information is serviced；
C, the data transfer direction information for the plane that the protocol stack structure information is serviced；
D, the identification information for the 2nd UE that the first UE is serviced.
Preferably, the information of the base station instruction includes following combination:
Only configuration a；
Only one group of a, b of configuration, or a, b that configuration at least two groups are different；
Only one group of a, c of configuration, or a, c that configuration at least two groups are different；
Only one group of a, d of configuration, or a, d that configuration at least two groups are different；
Only one group of a, b, c of configuration, or a, b, c that configuration at least two groups are different；
Only one group of a, b, d of configuration, or a, b, d that configuration at least two groups are different；
Only one group of a, c, d of configuration, or a, c, d that configuration at least two groups are different；
Configure one group of a, b, c, d, or a, b, c, d that configuration at least two groups are different.
Preferably, the instruction of the base station includes at least one of following information: the dual-mode of the second link use, Physical Cell Identifier, the first UE used by cell where the carrier frequency and bandwidth, the second link of the use of second link are in the second chain The maximum operating mode for sending power, the second link on road；
Wherein, link of second link between the first UE and the 2nd UE.
Preferably, before the first UE forwards the data between the base station and the 2nd UE, further includes: the first UE is from base station Configuration information related with the forwarding data of the 2nd UE is received, the configuration information is used to indicate the data for needing to forward；
It includes: the first UE according to described and forwarding second that first UE, which forwards the data between the base station and the 2nd UE, The related configuration information of the data of UE determines the data for needing to forward between base station and the 2nd UE.
Preferably, the configuration information related with the forwarding data of the 2nd UE includes at least one of following information:
The identification information of 2nd UE belonging to the data for needing to forward；
The instruction information of carrying belonging to the data for needing to forward；
The identification information of logic channel belonging to the data for needing to forward；
The information of physical resource belonging to the data for needing to forward.
Disclosed herein as well is a kind of user equipmenies, comprising:
For entering the mode switch module of enhancement mode according to the instruction received from base station；
Data forwarding module for the data between repeating base station and the 2nd UE.
Disclosed herein as well is a kind of data forwarding methods, comprising:
The instruction of enhancement mode is transmitted into the first UE for having the ability for supporting enhancement mode；
It will be forwarded with the data of the 2nd UE by the first UE.
Preferably, this method further include: be sent to scheduling information of the base station to the running time-frequency resource of the 2nd UE described First UE.
Preferably, this method further include:
It will be used for the access information of the first UE and community configured information described in the second UE access and be sent to the first UE；
Alternatively, the access information for being used for the first UE described in the second UE access is sent to the 2nd UE.
Preferably, this method further include: receive the channel state information for the first link that the first UE is reported；
The instruction for being transmitted into enhancement mode to the first UE for having the ability for supporting enhancement mode includes: according to each The channel state information for the first link that UE is reported selects channel condition to be better than the first UE of setting first threshold, to the letter The first UE that road condition is better than setting first threshold is transmitted into the instruction of enhancement mode, to forward channel condition to be worse than setting the Data between 2nd UE of two threshold values and base station.
Preferably, the instruction of the base station includes at least one in following information:
A, the first UE in the enhanced mode used in protocol stack structure information；
B, the plane information that the protocol stack structure information is serviced；
C, the data transfer direction information for the plane that the protocol stack structure information is serviced；
D, the identification information for the 2nd UE that the first UE is serviced.
Preferably, this method further include:
Base station sends configuration information related with the forwarding data of the 2nd UE to the first UE, and the configuration information is used to indicate The data for needing to forward.
Preferably, the configuration information related with the forwarding data of the 2nd UE includes at least one of following information:
The identification information of 2nd UE belonging to the data for needing to forward；
The instruction information of carrying belonging to the data for needing to forward；
The identification information of logic channel belonging to the data for needing to forward；
The information of physical resource belonging to the data for needing to forward.
Disclosed herein as well is a kind of base stations, comprising:
For being transmitted into the indicating module of the instruction of enhancement mode to the first UE for having the ability for supporting enhancement mode；
Forward process module for will be forwarded with the data of the 2nd UE by the first UE.
As seen from the above technical solution, in data forwarding method disclosed in the present application, UE enters increasing according to the instruction of base station Strong mode, then, the data between the UE repeating base station and other UE, to realize UE to the data forwarding of other UE.When When the channel condition of other UE is poor or congestion occurs for base station cell, method provided by the present application can alleviate above-mentioned ask well Topic, so as to improve user experience.
Detailed description of the invention
Fig. 1 is the schematic diagram of system architecture in 5G communication system；
Fig. 2 is a preferable data forwarding method schematic diagram of the invention；
Fig. 3 is the schematic diagram of the protocol stack structure B0 of UE of the present invention；
Fig. 4 is the schematic diagram of the protocol stack structure B1 of UE of the present invention；
Fig. 5 is the schematic diagram of the protocol stack structure B2 of UE of the present invention；
Fig. 6 is the schematic diagram of the protocol stack structure B3 of UE of the present invention；
Fig. 7 is the schematic diagram of the protocol stack structure B4 of UE of the present invention；
Fig. 8 is the schematic diagram of the protocol stack structure B5 of UE of the present invention；
Fig. 9 is the schematic diagram of the protocol stack structure B6 of UE of the present invention；
Figure 10 is the schematic diagram of the protocol stack structure B7 of UE of the present invention；
Figure 11 is the schematic diagram of the protocol stack structure B8 of UE of the present invention；
The schematic diagram of Figure 12 the embodiment of the present application one；
The schematic diagram of Figure 13 the embodiment of the present application three；
The schematic diagram of Figure 14 the embodiment of the present application four；
The schematic diagram of Figure 15 the embodiment of the present application five.
Specific embodiment
It is right hereinafter, referring to the drawings and the embodiments, for the objects, technical solutions and advantages of the application are more clearly understood The application is described in further detail.
This application provides one kind to enhance UE function in 5G communication network, the method for realizing data forwarding, in this method, UE enters enhancement mode by receiving the instruction of base station, and the data between repeating base station and other UE in the enhanced mode.It is logical This method is crossed, data forwarding function can be provided for other UE by having the powerful UE of increasing, to promote own channel condition not The quality of service of good UE, and then improve user experience.The first UE in UE corresponding claims book under the enhancement mode, Also referred hereinafter as enUE；The 2nd UE in other UE corresponding claims books.
Using method provided herein, data transmission can be still scheduled by base station, can also be increased by entering The UE of strong mode is scheduled.
Wherein, if data transmission is still scheduled by base station, the UE (calling enUE in the following text) into enhancement mode Base station is received to the scheduling information of the running time-frequency resource of other UE from base station；The UE is forwarded between the base station and other UE Data include: that the UE receives the downlink data for being sent to other UE from base station, it is right in the enhanced mode through the UE After the protocol stack structure answered successively is handled, according to other UE running time-frequency resource scheduling information on corresponding running time-frequency resource It is transmitted to other corresponding UE；And/or the UE according to the scheduling information of the running time-frequency resource of other UE in corresponding time-frequency The upstream data for being sent to base station from other UE is received in resource, through the UE corresponding protocol stack knot in the enhanced mode After structure is successively handled, it is transmitted to base station.Under this scheduling mode, optionally, base station can also be by the context of other UE Information and timing information are sent to enUE, at this point, enUE need to also be mentioned when receiving and dispatching the data of other UE according to the timing information The preceding or delay corresponding time；The timing information is the time letter that enUE needs to be advanced or delayed when forwarding the data of other UE Breath.
If data transmission is scheduled by the UE for entering enhancement mode, from the UE into enhancement mode to described The scheduling information of other UE transmission running time-frequency resource；It includes: the UE that the UE, which forwards the data between the base station and other UE, The downlink data for being sent to other UE from base station is received, corresponding protocol stack structure is layer-by-layer in the enhanced mode through the UE After processing, other corresponding UE are transmitted on corresponding running time-frequency resource according to the scheduling information；And/or the UE according to The scheduling information receives the upstream data for being sent to base station from other UE on corresponding running time-frequency resource, exists through the UE After corresponding protocol stack structure is successively handled under enhancement mode, it is transmitted to base station.
Based on above two scheduling method, enUE can form new cell, and receive the access of other UE in new cell, New cell can not be formed.If enUE forms new cell, enUE needs to receive from base station for described in other UE access The access information and community configured information of enUE, and the access information is sent, then accessed according to the access request of other UE Other UE.
Based on data forwarding technical solution described above, provided herein, can be summarized as following several preferable Mode:
One, enUE forms new cell, and new cell operation is in stand-alone mode:
The information that base station is sent to enUE includes at least one of following information, and (following information are mainly that enUE is used to service it Used information when his UE):
Used protocol stack structure information under enhancement mode；
The configuration information of each protocol layer in used protocol stack structure；
The configuration information of the new cell formed, as cell ID, working frequency information, bandwidth information, broadcast channel are held Information that information, the synchronizing channel of load are carried, user access needed for the new cell configuration information etc. for accessing channel.
Base station is sent to the information of other UE:
The configuration information of the new cell of other UE access, such as cell ID, working frequency information, bandwidth information, broadcast channel Information that information, the synchronizing channel carried is carried, user access needed for the new cell configuration information etc. for accessing channel.
Two, enUE forms new cell, and new cell operation is in non-standalone mode:
The information that base station is sent to enUE includes at least one of following information, and (following information are mainly that enUE is used to service it Used information when his UE):
Used protocol stack structure information under enhancement mode；
The configuration information of each protocol layer in used protocol stack structure；
The configuration information of the new cell formed, as cell ID, working frequency information, bandwidth information, broadcast channel are held Information that information, the synchronizing channel of load are carried, user access needed for the new cell configuration information etc. for accessing channel；
Base station is sent to the information of other UE:
The configuration information of the new cell of other UE access, such as cell ID, working frequency information, bandwidth information, broadcast channel Information that information, the synchronizing channel carried is carried, user access needed for the new cell configuration information etc. for accessing channel.
The difference of above two mode is: in the first mode, enUE is sent according to the configuration information of base station new The access information of cell, and in second of mode, enUE may not send the access information of new cell, or only send and synchronize The information of channel.
Three, enUE does not form new cell:
The information that base station is sent to enUE includes at least one of following information, and (following information are mainly that enUE is used to service it Used information when his UE):
Used protocol stack structure information under enhancement mode；
The configuration information of each protocol layer in used protocol stack structure；
Timing instruction information when other UE is serviced, instruction information instruction enUE is receiving and/or sending other UE's Data delay late or in advance time quantum.
Base station is handled without sending additional information to other UE according to the prior art.
The flow chart of one preferred approach of the application is as shown in Figure 2, comprising the following steps:
Step 201:UE reports the ability for supporting enhancement mode to base station.
This step is optional step, and base station can also know the ability that UE supports enhancement mode by other means, such as: If UE has reported the channel state information between UE and around other UE on one or more carrier waves, then it is assumed that the UE supports to increase Strong mode.If support enhancement mode, UE can further report supported in the enhanced mode protocol stack structure information (under Text will be described in).In order to indicate above-mentioned protocol stack structure, adoptable method includes: to be represented with explicit instruction information A kind of protocol stack structure, such as " 1 " indicate the first structure, and " 2 " indicate second of structure etc..Alternatively, can also directly give EnUE is the configuration information of protocal layers in used protocol stack when other UE are serviced.
Step 202: base station is transmitted into the instruction of enhancement mode to selected UE.
Correspondingly, base station can also indicate that selected UE exits enhancement mode by lower signaling.
Preferably, base station, which can choose the preferable UE of channel condition, enters enhancement mode, to forward channel condition poor Data between UE and base station.
Step 203: UE (calling enUE in the following text) under enhancement mode obtains base station to the running time-frequency resource of this UE and/or other UE The scheduling information of running time-frequency resource.Acquisition modes can be specific signaling between base station and UE, be also possible to other modes, such as when Frequency resource uses static configuration.
This step is optional step, if UE enters after enhancement mode the number for forming independent new cell or other users It is executed according to scheduling by enUE, then the forwarding to data between base station and other UE can be realized in the scheduling information without base station.
Step 204: the data between UE repeating base station and other UE under enhancement mode.
Specifically, the UE under the enhancement mode can receive the downlink data for being sent to other UE from base station, warp EnUE is transmitted to the one or more UE serviced after corresponding protocol stack structure is successively handled in the enhanced mode；It can also be with The upstream data for being sent to base station from the one or more UE serviced is received, through enUE corresponding association in the enhanced mode After view stack architecture is successively handled, it is transmitted to base station.
In the following description, base station side behavior will be described by taking gNB as an example.
In above-mentioned steps 202, in order to configure the enhancement mode of UE, gNB needs to provide following information a to UE into d extremely One item missing:
When a. providing service for other UE (that is: when carrying out data forwarding for other UE) used in protocol stack structure information
In addition to protocol stack used in UE receives and dispatches the data of itself, enUE (receives when providing service for other UE When from the downlink data of gNB and being transmitted to other UE, and/or receiving the upstream data from other UE and be transmitted to gNB), institute The protocol stack structure used includes at least such as one of flowering structure:
Protocol stack structure B0, comprising: service data adapts to agreement (SDAP:Service Data Adaptation Protocol) layer, wireless heterogeneous networks (RRC:Radio Resource Control) layer, Packet Data Convergence Protocol (PDCP: Packet Data Convergence Protocol) layer, wireless spread-spectrum technology (RLC:Radio Link Control) layer, matchmaker Body access control (MAC:Media Access Control) layer and physical layer.Such as: the data transmission of user plane is used Protocol stack include SDAP layers, PDCP layers, rlc layer, MAC layer and physical layer；The data for controlling plane transmit used agreement Stack includes rrc layer, PDCP layers, rlc layer, MAC layer and physical layer, as shown in Figure 3.
Protocol stack structure B1, comprising: PDCP layers, rlc layer, MAC layer and physical layer.Such as: the data transmission of user plane Used protocol stack includes: PDCP layers, rlc layer, MAC layer and physical layer；Such as: it controls used in the data transmission of plane Protocol stack includes PDCP layers, rlc layer, MAC layer and physical layer, as shown in Figure 4.
Protocol stack structure B2, including PDCP layers a part, rlc layer, MAC layer and physical layer, as shown in Figure 5.At one In embodiment, PDCP layers a part includes the integrity protection of data, and PDCP layers of other function is located at the side gNB.
Protocol stack structure B3, including rlc layer, MAC layer and physical layer, as shown in Figure 6.
Protocol stack structure B4, a part, MAC layer and physical layer including rlc layer, as shown in Figure 7.In one embodiment In, a part of rlc layer includes fragmentation feature, and the other function of rlc layer is located at the side gNB
Protocol stack structure B5, including MAC layer and physical layer, as shown in Figure 8.
Protocol stack structure B6, part of functions and physical layer including MAC layer, as shown in Figure 9.In one embodiment, A part of MAC layer includes to the demanding function of time delay, such as HARQ, and other functions are located at the side gNB, is such as dispatched.
Protocol stack structure B7, including physical layer, as shown in Figure 10；
Protocol stack structure B8, a part including physical layer, as shown in figure 11.In one embodiment, the one of physical layer Part includes addition to the iFFT and cyclic prefix of downlink signal, the removal to the FFT and cyclic prefix of uplink signal, other The function of physical layer is located at the side gNB.
In order to indicate above-mentioned protocol stack structure, adoptable method includes:
Method 1: representing a kind of protocol stack structure with explicit instruction information, and such as " 1 " indicates structure B1, and " 2 " indicate knot Structure B2 etc..
Method 2: directly giving the configuration information of protocal layers in used protocol stack when servicing on enUE for other UE, Protocol stack structure as used is B3, then the information provided includes the configuration information and object of the configuration information of rlc layer, MAC layer Manage the configuration information of layer；If the protocol stack structure used is B4, then the information provided includes part configuration information, the MAC of rlc layer The configuration information of layer and the configuration information of physical layer.
B. the plane information that protocol stack structure is serviced (such as user plane controls plane, user plane and control plane). The information is optional information, if not including the information, then it represents that the plane that protocol stack structure is serviced includes user plane With control plane, or the plane for default.
For enUE other than carrying out the transmitting-receiving of data, used protocol stack can only carry out the user plane of other UE Data transmission, can also only carry out the control plane of other UE data transmit, the user plane of other UE can also be carried out With the data transmission of control plane.
When for other UE service, the data for carrying out user plane transmit used protocol stack can be different from enUE The data for carrying out control plane transmit used protocol stack.Used in data for controlling plane and user plane are transmitted Protocol stack can be respectively any one in above-mentioned B0~B8.
For example: in the data transmission for carrying out user plane, protocol stack used in enUE is indicated by above-mentioned B1 Protocol stack (including PDCP layers, rlc layer, MAC layer and physical layer), and carry out control plane data transmission when, enUE institute The protocol stack used is protocol stack (including MAC layer and physical layer) indicated by above-mentioned B6.
Another example are as follows: in the data transmission for carrying out user plane, protocol stack used in enUE is above-mentioned B3 institute The protocol stack (including rlc layer, MAC layer and physical layer) of instruction, and in the data transmission for carrying out control plane, enUE is used Protocol stack be above-mentioned B1 indicated by protocol stack (including PDCP layers, rlc layer and MAC layer and physical layer).
C. (such as uplink or downlink or uplink are under for the data transfer direction information for the plane that protocol stack structure is serviced Row).The information is optional information, if not including the information, then it represents that the data for the plane that protocol stack structure is serviced pass Defeated direction includes uplink and downlink, or is the direction of default.
For enUE other than carrying out the transmitting-receiving of data, used protocol stack can only forward the downlink signal of other UE (downlink signal can only control plane, can also there was only user plane, can have again control flat with existing user plane Face), can also only forward other UE uplink signal (transmission of the upstream data can only control plane, can also only have User plane can have again control plane with existing user plane).
The identification information for the user that d.enUE is serviced.The information is optional information, if not including the information, is shown The enUE uses above-mentioned a to the user serviced, b, and structure indicated by c information is serviced.
In this way, enUE can service different user using different protocol stack structures, different enUE can also be configured not Same protocol stack structure, different planes can configure different protocol stack structures, and different data transfer directions can also match Set different protocol stack structures.
In order to configure the enhancement mode of enUE, possible configuration embodiment has:
Only configuration a,
Only configuration a, b, or configuration multiple groups (a1, b1), (a2, b2) ...
Only configuration a, c, or configuration multiple groups (a1, c1), (a2, c2) ...
Only configuration a, d, or configuration multiple groups (a1, d1), (a2, d2) ...
Only configuration a, b, c, or configuration multiple groups (a1, b1, c1), (a2, b2, c2) ...
Only configuration a, b, d, or configuration multiple groups (a1, b1, d1), (a2, b2, d2) ...
Only configuration a, c, d, or configuration multiple groups (a1, c1, d1), (a2, c2, d2) ...
Configure a, b, c, d, or configuration multiple groups (a1, b1, c1, d1), (a2, b2, c2, d2) ...
Further, base station can send configuration information related with the forwarding data of other UE to selected UE, this is matched Confidence breath is used to indicate the data that the selected UE needs to forward, it may be assumed which data from base station that the selected UE is received It needs to be transmitted to other UE or which data is from other UE and to need to be transmitted to the data of base station.The configuration information can To send together with the instruction information that base station in step 202 is sent to selected UE, independence can also be passed through after step 202 The step of be sent to selected UE.
Other UE of data forwarding are carried out for each UE for needing this selected, which includes at least following information One of:
1) identification information of other UE belonging to the data for needing to forward；
2) the instruction information of carrying belonging to the data for needing to forward, the instruction information can be the identification information of carrying, Further, which also can indicate that the carrying of control plane or the carrying of user plane；
3) identification information of logic channel belonging to the data for needing to forward, the logic channel belonging to this is the selected UE Used logic channel when for receiving or sending data that it is forwarded；
4) information of physical resource belonging to the data for needing to forward, the physical resource belonging to this is that the selected UE is used to Used physical resource when the data that it is forwarded is sent or received, such as time-domain resource, frequency domain resource, airspace resource or time-frequency Resource.
It is illustrated below by several examples:
First example: if the selected UE (being denoted as: UE0) in base station need to forward two other UE (be denoted as: UE1 and UE2 data), and in the configuration information for being sent to UE0 include: UE0 forwarding UE1 data belonging to the mark of carrying be The mark of carrying belonging to the data of the UE2 of 1, UE0 forwarding is 2, then:
If carrying belonging to the data from base station that UE0 is received is carrying 1, UE0 gives the data forwarding UE1；
If carrying belonging to the data from base station that UE0 is received is carrying 2, UE0 gives the data forwarding UE2；
If UE0 belongs to carrying 1 from the data that other UE are received, which belongs to UE1, and UE0 needs to turn the data Issue base station；
If UE0 belongs to carrying 2 from the data that other UE are received, which belongs to UE2, and UE0 needs to turn the data Issue base station.
Second example, if the selected UE (being denoted as: UE0) in base station need to forward two other UE (be denoted as: UE1 and UE2 data), and include: that the data of the UE1 of UE0 forwarding belong on logic channel 1 and receive in the configuration information for being sent to UE0 The data of the data arrived, the UE2 of UE0 forwarding belong to the data received on logic channel 2, then:
If the data from base station that UE0 is received are sent by logic channel 1, UE0 gives the data forwarding UE1；
If the data from base station that UE0 is received are sent by logic channel 2, UE0 gives the data forwarding UE2；
If UE0 from the data that other UE are received is sent by logic channel 1, which belongs to UE1, and UE0 needs By the data forwarding to base station；
If UE0 from the data that other UE are received is sent by logic channel 2, which belongs to UE2, and UE0 needs By the data forwarding to base station.
Third example, if the selected UE (being denoted as: UE0) in base station need to forward two other UE (be denoted as: UE1 and UE2 data), and in the configuration information for being sent to UE0 include: UE0 forwarding UE1 data from time/frequency source block 1, The data of the UE2 of UE0 forwarding come from time/frequency source block 2, then:
If UE0 receives the data from base station from time/frequency source block 1, UE0 is by the data forwarding to UE1；
If UE0 receives the data from base station from time/frequency source block 2, UE0 is by the data forwarding to UE2；
If UE0 receives the data from other UE from time/frequency source block 1, which belongs to UE1, UE0 need by The data forwarding is to base station；
If UE0 receives the data from other UE from time/frequency source block 2, which belongs to UE2, UE0 need by The data forwarding is to base station.
After receiving above-mentioned configuration information, the selected UE can reply configuration response message to base station, to confirm configuration Information is properly received.
When enUE services other UE according to the protocol stack of above-mentioned configuration, the cell that base station is supported is first community, will It is second community that enUE, which services the cell where other UE, and first community and second community can be the same cell, can also be with It is different community, when being different community, can be the different community of identical frequency, the difference for being also possible to different frequency is small Area.
Technical scheme is further elaborated below by several preferred embodiments.
Embodiment one
Present embodiment describes gNB configuration enUE to enter enhancement mode B0 i.e.: configuration enUE is using protocol stack structure B0 The situation of other UE offer data forwarding.
Hereinafter, the gNB cell supported is known as first community, by the communication link of UE and gNB in first community Referred to as the first link.After UE is converted into enUE, under certain enhancement modes in this application, enUE will form one new small Area, this new cell is known as second community, and enUE is in second community and the direct communication link of other UE is known as the second chain Road.Identical frequency or different frequency can be used in first community and second community
The information that gNB can be reported according to UE, selection are converted to the UE of enUE.
The information that the UE is reported includes at least: the channel state information of the first chain road；Optionally, can also comprising with At least one of in lower information: UE location information, UE translational speed information, UE wireless capability message, each radio band of surrounding are dry Disturb the video/audio of channel state information between strength information, UE and other UE on one or more carrier waves, ambient enviroment Information etc..Wherein, the channel state information between UE and other UE on one or more carrier waves can assist gNB selection to enter The UE of enhanced situation.
The channel state information for the first chain road that gNB can be reported according to each UE determines the channel between each UE and gNB Condition, and the letter between each UE is determined in the channel state information at least one carrier wave according to each UE and around between other UE Road condition, to select the UE of channel condition preferable (that is: channel condition is better than the first given threshold) to enter enhancement mode, and will The data of the UE of channel condition poor (that is: channel condition is worse than the second given threshold) are turned via the UE for entering enhancement mode Hair.
RRC signaling (such as RRC is reconfigured: RRC RECONFIGURATION) can be used for selected UE, gNB to take Configuration information with UE enhancement mode indicates that the UE enters enhancement mode B1, becomes enUE.The configuration information can also include Configuration information related with the forwarding data of other UE.It can also in addition, being somebody's turn to do configuration information related with the forwarding data of other UE To be sent to UE by RRC signaling unlike those described above.
At least one in following configuration information: the dual-mode that the second link uses should be provided in the RRC signaling of gNB Cell where the carrier frequency and bandwidth, the second link of the use of (i.e. time division duplex, frequency division duplex or full duplex), the second link is used Maximum operating mode (the i.e. independent working mode for sending power, the second link on the second chain road of physical district ID, enUE (stand-alone) or dependent operating mode (non-stand-alone))；If the second link is independent working mode, Information and sending method that the synchronizing channel and broadcast channel that should also provide the second link in the RRC signaling of gNB are carried etc..
UE executes corresponding configuration, into enhancement mode, and can reply RRC signaling (such as RRC reconfigures completion: RRC RECONFIGURATION COMPLETE), notice gNB operation runs succeeded.
After the UE becomes enUE, work under B0 enhancement mode.Preferably, in this case, second community work exists Under independent working mode, enUE sends synchronizing channel, broadcast channel necessary to other UE access second communities etc., receives simultaneously The access request of other UE.The enUE as gNB, is connected to the enUE by other UE.Preferably, in this case, second For cell operation under dependent operating mode, gNB can provide the auxiliary information of access second community for the UE in first community. Used protocol stack and other UE are logical in second community when servicing under the enhancement mode that enUE is configured using gNB for other UE Letter, and the UE protocol stack being had using itself is communicated with gNB in first community.Configuration of the enUE according to gNB to its enhancement mode Information forwards data.For example, if being configured with the plane that protocol stack used in UE enhancement mode is serviced in configuration information Information not only included control plane data but also included user plane data, and protocol stack used in UE enhancement mode is serviced The data direction of plane had not only included upstream data but also had included downlink data, then enUE had both forwarded the upload control from other UE flat Face data and uplink user panel data to gNB, and forward downlink control plane data that the target from gNB is other UE and Downlink user panel data is to other UE.
The plane information that protocol stack used in the UE enhancement mode configured in configuration information is serviced can also be wrapped only Include the number for the plane that protocol stack used in one of control plane data and user plane data or UE enhancement mode is serviced One of upstream data and downlink data can also be only included according to direction.Such as protocol stack used in UE enhancement mode is serviced Plane information only includes user plane data, other UE by other means with gNB interactive controlling panel data, as other UE are straight It is connected to gNB in succession.
Figure 12 is the schematic diagram of the embodiment of the present application one.Referring to Figure 12, to the data of user plane in the present embodiment The data handling procedure for the treatment of process and control plane is described in detail.
One, the data handling procedure of user plane:
(1) the downlink data treatment process between gNB and enUE is as follows:
Step 1:gNB will belong to the initial data of enUE successively after SDAP, PDCP, RLC, MAC and PHY layer processing, EnUE is sent to by UU1 interface.Initial data is i.e.: the data without protocol stack processing.
Step 2:enUE by the data received from gNB successively through PHY, MAC, RLC, PDCP and SDAP layers processing after, obtain Belong to the initial data of enUE.
(2) the upstream data treatment process between gNB and enUE is as follows:
Step 1:enUE by initial data successively by SDAP, PDCP, RLC, MAC and PHY layer processing after, connect by UU1 Mouth is sent to gNB.
Step 2:gNB by the data received from enUE successively through PHY, MAC, RLC, PDCP and SDAP layers processing after, obtain The initial data that enUE is sent.
(3) the downlink data treatment process between gNB and other UE is as follows:
The initial data for belonging to other UE is successively passed through SDAP, PDCP, RLC, MAC to step 1:gNB and PHY layer is handled Afterwards, enUE is sent to by UU1 interface.
Step 2: the configuration information related with the forwarding data of other UE received according to enUE, enUE will be received from gNB The data for belonging to other UE successively through PHY, MAC, RLC, PDCP, SDAP processing after, obtain the data for belonging to other UE.
Step 3:enUE will belong to the data of other UE successively through SDAP, PDCP, RLC, MAC and PHY obtained in step 2 After layer processing, other corresponding UE are sent to by UU2 interface.
Step 4: other described corresponding UE are by the data received successively via at PHY, MAC, RLC, PDCP and SDAP layers After reason, the initial data that gNB is sent to this UE is obtained.
In above-mentioned treatment process, the initial data for belonging to other UE can not also be transmitted to other UE by enUE, that is, exist In above-mentioned steps 1, gNB will belong to the initial data of other UE successively after SDAP, PDCP, RLC, MAC and PHY layer are handled, Other UE are directly sent to by UU1 interface or other interfaces, then other UE obtain gNB according to step 4 and are sent to this other The data of user.This disposition, that is, foregoing: UE enhancement mode only serves the control plane data of other UE, and The user plane data of other UE is not served；Alternatively, UE enhancement mode only serves the uplink direction of other UE, without Serve the downlink transmission direction of other UE.For upstream data processing, the upstream control signaling processing between gNB and other UE Or descending control signaling processing, it can be respectively processed, repeat no more according to similar processing mode.
(4) the upstream data treatment process between gNB and other UE is as follows:
Step 1: the initial data for being sent to gNB is successively passed through SDAP, PDCP, RLC, MAC to other UE and PHY layer is handled Afterwards, enUE is sent to by UU2 interface.
Step 2: received according to enUE with the related configuration information of the forwarding data of other UE, enUE by it is received other UE is sent to the data of gNB successively after PHY, MAC, RLC, PDCP, SDAP processing, obtains the data that other UE are sent to gNB.
Other UE obtained in step 2 are sent to the data of gNB successively through SDAP, PDCP, RLC, MAC by step 3:enUE After PHY layer processing, gNB is sent to by UU1 interface.
After step 4:gNB successively handles the data received via PHY, MAC, RLC, PDCP and SDAP layers, other are obtained UE is sent to the initial data of gNB.
In the above process, UU1 interface can be carried out data transmission with wire link, can also carry out data with Radio Link Transmission.UU2 interface is transmitted using Radio Link.
Two, the data handling procedure of plane is controlled:
(1) treatment process of the descending control signaling between gNB and enUE is as follows:
Step 1:gNB generates the control signaling for belonging to enUE in rrc layer.
The control signaling for belonging to enUE generated in step 1 is successively passed through PDCP, RLC, MAC and PHY layer by step 2:gNB After processing, enUE is sent to by UU1 interface.
Step 3:enUE by the signaling received from gNB successively through PHY, MAC, RLC, PDCP and rrc layer processing after, belonged to In the control signaling of enUE.
(2) the uplink control signaling treatment process between gNB and enUE is as follows:
Step 1:enUE generates the control signaling for belonging to enUE in rrc layer.
Step 2:enUE by the control signaling generated in step 1 successively by PDCP, RLC, MAC and PHY layer processing after, lead to It crosses UU1 interface and is sent to gNB.
Step 3:gNB by the signaling received from enUE successively through PHY, MAC, RLC, PDCP and rrc layer processing after, obtain The control signaling that enUE is sent.
(3) treatment process of the descending control signaling between gNB and other UE is as follows:
Step 1:gNB generates the control signaling for belonging to other UE in rrc layer.
Step 2:gNB will belong to the control signaling of other UE successively after PDCP, RLC, MAC and PHY layer processing, pass through UU1 interface is sent to enUE.
Step 3: the configuration information related with the forwarding data of other UE received according to enUE, enUE will be received from gNB The signaling for belonging to other UE successively through PHY, MAC, RLC, PDCP, rrc layer processing after, obtain the signaling for belonging to other UE.
Step 4:enUE will belong to the signaling of other UE successively through RRC, PDCP, RLC, MAC and PHY obtained in step 3 After layer processing, other corresponding UE are sent to by UU2 interface.
Step 5: other described corresponding UE successively handle the signaling received via PHY, MAC, RLC, PDCP and rrc layer Afterwards, the control signaling that gNB is sent to this UE is obtained.
In above-mentioned treatment process, the control signaling for belonging to other UE can not also be transmitted to other UE by enUE, that is, exist In above-mentioned steps 2, gNB will belong to the control signaling of other UE successively after PDCP, RLC, MAC and PHY layer are handled, and directly lead to It crosses UU1 interface or other interfaces is sent to other UE, then other UE obtain gNB according to step 5 and are sent to the other users Control signaling.This disposition, that is, foregoing: UE enhancement mode only serves the user plane data of other UE, without Serve the control plane data of other UE；Alternatively, UE enhancement mode only serves the uplink direction of other UE, and refuse to obey It is engaged in the downlink transmission direction of other UE.In addition, the control signaling for belonging to other UE can also be generated by enUE (i.e. without gNB Generate the RRC signaling of other UE), and pass through PDCP, other UE are sent to after RLC, MAC and PHY layer processing, then according to step 5 obtain the control signaling for being sent to UE.
(4) the uplink control signaling treatment process between gNB and other UE is as follows:
Step 1: other UE generate control signaling in rrc layer.
Step 2: other UE by the control signaling generated in step 1 successively after PDCP, RLC, MAC and PHY layer are handled, EnUE is sent to by UU2 interface.
Step 3: the configuration information related with the forwarding data of other UE received according to enUE, enUE will be received from other The signaling of UE successively after PHY, MAC, RLC, PDCP and rrc layer processing, obtains the signaling for belonging to other UE.
Step 4:enUE will belong to the signaling of other UE successively through RRC, PDCP, RLC, MAC and PHY obtained in step 3 After layer processing, gNB is sent to by UU1 interface.
After step 5:gNB successively handles the data received via PHY, MAC, RLC, PDCP and rrc layer, other UE are obtained The control signaling of transmission.
In above-mentioned treatment process, control signaling can not also be transmitted to gNB by enUE, i.e., in step 2 above, other UE by control signaling successively by PDCP, RLC, MAC and PHY layer processing after, directly by UU1 interface or other interfaces transmission GNB, then gNB obtains the control signaling of other UE transmission according to step 5.This disposition, that is, foregoing: UE increases Strong mode only serves the user plane data of other UE, the control plane data without serving other UE；Alternatively, UE enhances Mode only serves the downlink transmission direction of other UE, the uplink direction without serving other UE.In addition, other UE are sent out After the control signaling sent can also be generated by other UE, by PDCP, it is sent to enUE after RLC, MAC and PHY layer processing, so By the PHY by the side enUE, MAC, RLC, PDCP and rrc layer processing after obtain other UE transmission control signaling, enUE without The RRC signaling of other UE need to be sent to gNB.
In the above process, UU1 interface can be carried out data transmission with wire link, can also carry out data with Radio Link Transmission.UU2 interface is transmitted using Radio Link.
Embodiment two
Present embodiment describes gNB configuration enUE to enter enhancement mode B0, provides the situation of data forwarding for other UE.
In the present embodiment, the gNB cell supported is known as first community, by the communication chain of UE and gNB in first community Road is known as the first link.After UE is converted into enUE, enUE is still other UE service in first community, and enUE is other UE clothes The communication link of business is known as the second link.
GNB can choose a UE, carrying UE enhancement mode using RRC signaling (such as RRC RECONFIGURATION) Configuration information indicates that the UE enters enhancement mode B0, becomes enUE.GNB can be converted to according to the information selection that UE is reported The UE of enUE, the UE report information may include in following information at least one of: the channel state information of the first chain road, Location information, translational speed information, UE wireless capability message, around each radio band interference strength information, UE and surrounding other Video/audio information of channel state information and ambient enviroment between UE on one or more carrier waves etc..The RRC of gNB At least one in following configuration information should be provided in signaling: (i.e. time division duplex, frequency division are double for the dual-mode that the second link uses Work or full duplex), maximum on the second chain road of the carrier frequency that uses of the second link and bandwidth, enUE send power, the second link Operating mode (i.e. independent working mode (stand-alone) or dependent operating mode (non-stand-alone)) UE hold The row operation, and RRC signaling (such as RRC RECONFIGURATION COMPLETE) can be replied, notice gNB operation is held It goes successfully.
After the UE becomes enUE, work under B0 enhancement mode.Preferably, in this case, the second antenna efficiency exists Under independent working mode, enUE sends synchronizing channel, broadcast channel necessary to other UE access enUE etc., while receiving other The access request of UE.The enUE is connected to enUE as gNB by other UE.Preferably, in this case, the second antenna efficiency Under dependent operating mode, gNB can provide the auxiliary information of access enUE for the UE of other in first community.EnUE is used Used protocol stack communicates on the second chain road with other UE when servicing under the enhancement mode that gNB is configured for other UE, and The UE protocol stack being had using itself is communicated on the first chain road with gNB.EnUE is according to gNB to the configuration information of its enhancement mode To forward data.For example, if being configured with the plane information that protocol stack used in UE enhancement mode is serviced in configuration information Not only included control plane data but also included user plane data, and the plane that protocol stack used in UE enhancement mode is serviced Data direction not only included upstream data but also included downlink data, then enUE had both forwarded the upload control number of planes from other UE According to uplink user panel data to gNB, and forward the target from gNB be other UE downlink control plane data and downlink User plane data is to other UE.
The plane information that protocol stack used in the UE enhancement mode configured in configuration information is serviced can also be wrapped only Include the number for the plane that protocol stack used in one of control plane data and user plane data or UE enhancement mode is serviced One of upstream data and downlink data can also be only included according to direction.Such as protocol stack used in UE enhancement mode is serviced Plane information only includes user plane data, other UE by other means with gNB interactive controlling panel data, as other UE are straight It is connected to gNB in succession.
The configuration information can also include configuration information related with the data of other UE are forwarded.In addition, being somebody's turn to do and forwarding it The related configuration information of the data of his UE can also be sent to UE by different RRC signalings.
Embodiment three
Present embodiment describes gNB instruction enUE to enter enhancement mode B3, provides the situation of data forwarding for other UE.
GNB can choose a UE, carrying UE enhancement mode using RRC signaling (such as RRC RECONFIGURATION) Configuration information indicates that the UE enters enhancement mode B3, becomes enUE.UE executes the operation, and can reply RRC signaling (such as RRC RECONFIGURATION COMPLETE), notice gNB operation run succeeded.The configuration information can also include with Forward the related configuration information of the data of other UE.In addition, should can also be with the related configuration information of the forwarding data of other UE UE is sent to by RRC signaling unlike those described above.
After the UE becomes enUE, work under B3 enhancement mode, it is more excellent if enUE forms foregoing second community , in this case, second community works under dependent operating mode, and gNB is using second community as subordinate cell (Secondary Cell) some or all of is allocated in first community UE, and when necessary it is above-mentioned partly or entirely Second community is activated on other UE, gNB can activate second community by sending activation signaling.Above-mentioned first community and second Cell can be in identical frequency, can also be in different frequency.GNB should be by the contextual information of above-mentioned part or all of UE (such as User identifier, the information of user data carrying, the information of subscriber signaling carrying) it is supplied to the enUE.EnUE is matched using gNB Used protocol stack and other UE communications when being serviced under the enhancement mode set for other UE, and the UE association being had using itself View stack is communicated with gNB.EnUE forwards data to the configuration information of its enhancement mode according to gNB.For example, if in configuration information The plane information that protocol stack used in UE enhancement mode is serviced is configured with not only to have included control plane data but also put down including user Face data, and the data direction of plane that protocol stack used in UE enhancement mode is serviced not only had included upstream data but also had included Downlink data, then enUE had not only forwarded upload control panel data from other UE and uplink user panel data to gNB, but also turned It sends from the downlink control plane data and downlink user panel data that the target of gNB is other UE to other UE.
The plane information that protocol stack used in the UE enhancement mode configured in configuration information is serviced can also be wrapped only Include the number for the plane that protocol stack used in one of control plane data and user plane data or UE enhancement mode is serviced One of upstream data and downlink data can also be only included according to direction.Such as protocol stack used in UE enhancement mode is serviced Plane information only includes user plane data, other UE by other means with gNB interactive controlling panel data, as other UE are straight It is connected to gNB in succession.
Figure 13 is the schematic diagram of the embodiment of the present application three.Referring to Figure 13, to the data of user plane in the present embodiment The data handling procedure for the treatment of process and control plane is described in detail.
One, the data handling procedure of user plane:
(1) the downlink data treatment process between gNB and enUE is as follows:
Step 1:gNB will belong to the initial data of enUE successively after SDAP, PDCP, RLC, MAC and PHY layer processing, EnUE is sent to by UU1 interface.
Step 2:enUE by the data received from gNB successively through PHY, MAC, RLC, PDCP and SDAP layers processing after, obtain Belong to the initial data of enUE.
(2) the upstream data treatment process between gNB and enUE is as follows:
Step 1:enUE by initial data successively by SDAP, PDCP, RLC, MAC and PHY layer processing after, connect by UU1 Mouth is sent to gNB.
Step 2:gNB by the data received from enUE successively through PHY, MAC, RLC, PDCP and SDAP layers processing after, obtain The initial data that enUE is sent.
(3) the downlink data treatment process between gNB and other UE is as follows:
The initial data for belonging to other UE is successively passed through SDAP, PDCP, RLC, MAC to step 1:gNB and PHY layer is handled Afterwards, enUE is sent to by UU1 interface.
Step 2: the configuration information related with the forwarding data of other UE received according to enUE, enUE will be received from gNB The data for belonging to other UE successively through PHY, MAC and rlc layer processing after, obtain the data for belonging to other UE.
Step 3:enUE will belong to the data of other UE successively after RLC, MAC and PHY layer processing obtained in step 2, Other corresponding UE are sent to by UU2 interface.
Step 4: other described corresponding UE are by the data received successively via at PHY, MAC, RLC, PDCP and SDAP layers After reason, the initial data that gNB is sent to this UE is obtained.
(4) the upstream data treatment process between gNB and other UE is as follows:
Step 1: the initial data for being sent to gNB is successively passed through SDAP, PDCP, RLC, MAC to other UE and PHY layer is handled Afterwards, enUE is sent to by UU2 interface.
Step 2: received according to enUE with the related configuration information of the forwarding data of other UE, enUE by it is received other UE is sent to the data of gNB successively after PHY, MAC and rlc layer processing, obtains the data that other UE are sent to gNB.
Step 3:enUE by other UE obtained in step 2 be sent to the data of gNB successively through RLC, MAC and PHY layer at After reason, gNB is sent to by UU1 interface.
After step 4:gNB successively handles the data received via PHY, MAC, RLC, PDCP and SDAP layers, other are obtained UE is sent to the initial data of gNB.
In the above process, UU1 interface can be carried out data transmission with wire link, can also carry out data with Radio Link Transmission.UU2 interface is transmitted using Radio Link.
Two, the data handling procedure of plane is controlled:
(1) treatment process of the descending control signaling between gNB and enUE is as follows:
Step 1:gNB generates the control signaling for belonging to enUE in rrc layer.
The control signaling for belonging to enUE generated in step 1 is successively passed through PDCP, RLC, MAC and PHY layer by step 2:gNB After processing, enUE is sent to by UU1 interface.
Step 3:enUE by the signaling of received gNB successively through PHY, MAC, RLC, PDCP and rrc layer processing after, belonged to In the control signaling of enUE.
(2) the uplink control signaling treatment process between gNB and enUE is as follows:
Step 1:enUE generates the control signaling for belonging to enUE in rrc layer.
Step 2:enUE by the control signaling generated in step 1 successively by PDCP, RLC, MAC and PHY layer processing after, lead to It crosses UU1 interface and is sent to gNB.
Step 3:gNB by the signaling of received enUE successively through PHY, MAC, RLC, PDCP and rrc layer processing after, obtain The control signaling that enUE is sent.
(3) treatment process of the descending control signaling between gNB and other UE is as follows:
Step 1:gNB generates the control signaling for belonging to other UE in rrc layer.
Step 2:gNB will belong to the control signaling of other UE successively after PDCP, RLC, MAC and PHY layer processing, pass through UU1 interface is sent to enUE.
Step 3: the configuration information related with the forwarding data of other UE received according to enUE, enUE will be received from gNB The signaling for belonging to other UE successively through PHY, MAC and rlc layer processing after, obtain the data for belonging to other UE.
Step 4:enUE will belong to the signaling of other UE successively after RLC, MAC and PHY layer processing obtained in step 3, Other corresponding UE are sent to by UU2 interface.
Step 5: other described corresponding UE successively handle the data received via PHY, MAC, RLC, PDCP and rrc layer Afterwards, the control signaling that gNB is sent to this UE is obtained.
In above-mentioned treatment process, the control signaling for belonging to other UE can not also be transmitted to other UE by enUE, that is, exist In above-mentioned steps 2, gNB will belong to the control signaling of other UE successively after PDCP, RLC, MAC and PHY layer are handled, and directly lead to It crosses UU1 interface or other interfaces is sent to other UE, then other UE obtain gNB according to step 5 and are sent to the other users Control signaling.This disposition, that is, foregoing: UE enhancement mode only serves the user plane data of other UE, without Serve the control plane data of other UE；Alternatively, UE enhancement mode only serves the uplink direction of other UE, and refuse to obey It is engaged in the downlink transmission direction of other UE.
(4) the uplink control signaling treatment process between gNB and other UE is as follows:
Step 1: other UE generate control signaling in rrc layer.
Step 2: other UE successively after PDCP, RLC, MAC and PHY layer are handled, pass through the control signaling in step 1 UU2 interface is sent to enUE.
Step 3: the configuration information related with the forwarding data of other UE received according to enUE, enUE will be received from other The signaling of UE successively after PHY, MAC and rlc layer processing, obtains the data for belonging to other UE.
Step 4:enUE will belong to the data of other UE successively after RLC, MAC and PHY layer processing obtained in step 3, GNB is sent to by UU1 interface.
After step 5:gNB successively handles the data received via PHY, MAC, RLC, PDCP and rrc layer, other UE are obtained The control signaling of transmission.
In above-mentioned treatment process, control signaling can not also be transmitted to gNB by enUE, i.e., in step 2 above, other UE by control signaling successively by PDCP, RLC, MAC and PHY layer processing after, directly by UU1 interface or other interfaces transmission GNB, then gNB obtains the control signaling of other UE transmission according to step 5.This disposition, that is, foregoing: UE increases Strong mode only serves the user plane data of other UE, the control plane data without serving other UE；Alternatively, UE enhances Mode only serves the downlink transmission direction of other UE, the uplink direction without serving other UE.
In the above process, UU1 interface can be carried out data transmission with wire link, can also carry out data with Radio Link Transmission.UU2 interface is transmitted using Radio Link.
Example IV
Present embodiment describes gNB instruction enUE to enter enhancement mode B6, provides the situation of data forwarding for other UE.
GNB can choose a UE, carrying UE enhancement mode using RRC signaling (such as RRC RECONFIGURATION) Configuration information indicates that the UE enters enhancement mode B6, becomes enUE.UE executes the operation, and can reply RRC signaling (such as RRC RECONFIGURATION COMPLETE), notice gNB operation run succeeded.The configuration information can also include with Forward the related configuration information of the data of other UE.In addition, should can also be with the related configuration information of the forwarding data of other UE UE is sent to by RRC signaling unlike those described above.
After the UE becomes enUE, used association when being serviced under the enhancement mode that enUE is configured using gNB for other UE Stack and other UE communications are discussed, and the UE protocol stack being had using itself is communicated with gNB.EnUE is according to gNB to its enhancement mode Configuration information forward data.For example, being serviced if being configured with protocol stack used in UE enhancement mode in configuration information Plane information not only included control plane data but also included user plane data, and the institute of protocol stack used in UE enhancement mode The data direction of the plane of service had not only included upstream data but also had included downlink data, then enUE had both forwarded the uplink from other UE Control plane data and uplink user panel data forward the downlink that the target from gNB is other UE to control plane to gNB Data and downlink user panel data are to other UE.
The plane information that protocol stack used in the UE enhancement mode configured in configuration information is serviced can also be wrapped only Include the number for the plane that protocol stack used in one of control plane data and user plane data or UE enhancement mode is serviced One of upstream data and downlink data can also be only included according to direction.Such as protocol stack used in UE enhancement mode is serviced Plane information only includes user plane data, other UE by other means with gNB interactive controlling panel data, as other UE are straight It is connected to gNB in succession.
Figure 14 is the schematic diagram of the embodiment of the present application four.
One, the data handling procedure of user plane:
(1) the downlink data treatment process between gNB and enUE is as follows:
Step 1:gNB will belong to the initial data of enUE successively after SDAP, PDCP, RLC, MAC and PHY layer processing, EnUE is sent to by UU1 interface.
Step 2:enUE by the data received from gNB successively through PHY, MAC, RLC, PDCP and SDAP layers processing after, obtain Belong to the initial data of enUE.
(2) the upstream data treatment process between gNB and enUE is as follows:
Step 1:enUE by initial data successively by SDAP, PDCP, RLC, MAC and PHY layer processing after, connect by UU1 Mouth is sent to gNB.
Step 2:gNB by the data received from enUE successively through PHY, MAC, RLC, PDCP and SDAP layers processing after, obtain The initial data that enUE is sent.
(3) the downlink data treatment process between gNB and other UE is as follows:
The initial data for belonging to other UE is successively passed through SDAP, PDCP, RLC, MAC to step 1:gNB and PHY layer is handled Afterwards, enUE is sent to by UU1 interface.
Step 2: the configuration information related with the forwarding data of other UE received according to enUE, enUE will be received from gNB The data for belonging to other UE successively through a part (L-MAC) of PHY and MAC layer processing after, obtain the data for belonging to other UE. Wherein, in one embodiment, L-MAC includes to the demanding function of time delay, such as HARQ.
Step 3:enUE will belong to obtained in step 2 data of other UE successively a part through MAC layer (L-MAC) and After PHY layer processing, other corresponding UE are sent to by UU2 interface.Wherein, in one embodiment, L-MAC includes to time delay Demanding function, such as HARQ
Step 4: other described corresponding UE are by the data received successively via at PHY, MAC, RLC, PDCP and SDAP layers After reason, the initial data that gNB is sent to other UE is obtained.
(4) the upstream data treatment process between gNB and other UE is as follows:
Step 1: the initial data for being sent to gNB is successively passed through SDAP, PDCP, RLC, MAC to other UE and PHY layer is handled Afterwards, enUE is sent to by UU2 interface.
Step 2: received according to enUE with the related configuration information of the forwarding data of other UE, enUE by it is received other UE is sent to the data of gNB successively after the processing of a part (L-MAC) of PHY and MAC layer, obtains other UE and is sent to gNB's Data.Wherein, in one embodiment, L-MAC includes to the demanding function of time delay, such as HARQ.
Other UE obtained in step 2 are sent to the data of gNB successively a part (L- through MAC layer by step 3:enUE MAC) and after PHY layer processing, gNB is sent to by UU1 interface.Wherein, in one embodiment, L-MAC includes wanting to time delay Ask high function, such as HARQ.
After step 4:gNB successively handles the data received via PHY, MAC, RLC, PDCP and SDAP layers, UE hair is obtained Give the initial data of gNB.
In the above process, UU1 interface can be carried out data transmission with wire link, can also carry out data with Radio Link Transmission.UU2 interface is transmitted using Radio Link.
Two, the data handling procedure of plane is controlled:
(1) treatment process of the descending control signaling between gNB and enUE is as follows:
Step 1:gNB generates the control signaling for belonging to enUE in rrc layer.
The control signaling for belonging to enUE generated in step 1 is successively passed through PDCP, RLC, MAC and PHY layer by step 2:gNB After processing, enUE is sent to by UU1 interface.
Step 3:enUE by the signaling received from gNB successively through PHY, MAC, RLC, PDCP and rrc layer processing after, belonged to In the control signaling of enUE.
(2) the uplink control signaling treatment process between gNB and enUE is as follows:
Step 1:enUE generates the control signaling for belonging to enUE in rrc layer.
Step 2:enUE by the control signaling generated in step 1 successively by PDCP, RLC, MAC and PHY layer processing after, lead to It crosses UU1 interface and is sent to gNB.
Step 3:gNB by the signaling received from enUE successively through PHY, MAC, RLC, PDCP and rrc layer processing after, obtain The control signaling that enUE is sent.
(3) treatment process of the descending control signaling between gNB and other UE is as follows:
Step 1:gNB generates the control signaling for belonging to other UE in rrc layer.
Step 2:gNB will belong to the control signaling of other UE successively after PDCP, RLC, MAC and PHY layer processing, pass through UU1 interface is sent to enUE.
Step 3: the configuration information related with the forwarding data of other UE received according to enUE, enUE will be received from gNB The signaling for belonging to other UE successively through a part (L-MAC) of PHY and MAC layer processing after, obtain the data for belonging to other UE. Wherein, in one embodiment, L-MAC includes to the demanding function of time delay, such as HARQ.
Step 4:enUE will belong to obtained in step 3 signaling of other UE successively a part through MAC layer (L-MAC) and After PHY layer processing, other corresponding UE are sent to by UU2 interface.Wherein, in one embodiment, L-MAC includes to time delay Demanding function, such as HARQ.
Step 5: other described corresponding UE successively handle the signaling received via PHY, MAC, RLC, PDCP and rrc layer Afterwards, the control signaling that gNB is sent to this UE is obtained.
In above-mentioned treatment process, the control signaling for belonging to other UE can not also be transmitted to other UE by enUE, that is, exist In above-mentioned steps 2, gNB will belong to the control signaling of other UE successively after PDCP, RLC, MAC and PHY layer are handled, and directly lead to It crosses UU1 interface or other interfaces is sent to other UE, then other UE obtain gNB according to step 5 and are sent to the other users Control signaling.This disposition, that is, foregoing: UE enhancement mode only serves the user plane data of other UE, without Serve the control plane data of other UE；Alternatively, UE enhancement mode only serves the uplink direction of other UE, and refuse to obey It is engaged in the downlink transmission direction of other UE.
(4) the uplink control signaling treatment process between gNB and other UE is as follows:
Step 1: other UE generate control signaling in rrc layer.
Step 2: other UE successively after PDCP, RLC, MAC and PHY layer are handled, pass through the control signaling in step 1 UU2 interface is sent to enUE.
Step 3: the configuration information related with the forwarding data of other UE received according to enUE, enUE will be received from other The signaling of UE successively after the processing of a part (L-MAC) of PHY and MAC layer, obtains the signaling for belonging to other UE.
Step 4:enUE will belong to obtained in step 3 signaling of other UE successively a part through MAC layer (L-MAC) and After PHY layer processing, gNB is sent to by UU1 interface.
After step 5:gNB successively handles the signaling received via PHY, MAC, RLC, PDCP and rrc layer, other UE are obtained The control signaling of transmission.
In above-mentioned treatment process, control signaling can not also be transmitted to gNB by enUE, i.e., in step 2 above, other UE by control signaling successively by PDCP, RLC, MAC and PHY layer processing after, directly by UU1 interface or other interfaces transmission GNB, then gNB obtains the control signaling of other UE transmission according to step 5.This disposition, that is, foregoing: UE increases Strong mode only serves the user plane data of other UE, the control plane data without serving other UE；Alternatively, UE enhances Mode only serves the downlink transmission direction of other UE, the uplink direction without serving other UE.
In the above process, UU1 interface can be carried out data transmission with wire link, can also carry out data with Radio Link Transmission.UU2 interface is transmitted using Radio Link.
Above-described embodiment one to four respectively for enUE be configured with protocol stack structure B0, B3 and B6 carried out user plane and The case where controlling the explanation that the data of plane are transmitted, other protocol stack structures are configured to for enUE, the method class of data transmission Seemingly, only handling used protocol stack structure when the data of other UE need to be other according under the enhancement mode that gNB is configured Used protocol stack structure is handled when UE service, and details are not described herein again.
Embodiment five
Present embodiment describes gNB instruction enUE to enter enhancement mode B6, and then enUE obtains the scheduling information of gNB, is The situation of other UE offer data forwarding.Figure 15 is the schematic diagram of the embodiment of the present application five, is included the following steps:
Step 501:gNB selects a UE, is sent such as RRC RECONFIGURATION using RRC signaling and indicates the UE Into the configuration information of enhancement mode, enUE is become.The configuration information can also include related with the data of other UE are forwarded Configuration information.In addition, being somebody's turn to do configuration information related with the forwarding data of other UE can also be believed by RRC unlike those described above Order is sent to UE.UE executes the operation, and replys RRC signaling, such as RRC RECONFIGURATION COMPLETE, notifies gNB The operation runs succeeded.
The case where for downlink:
Step 502: the first link (in the present embodiment, the definition of the first link and the second link is with embodiment one) is used Frequency information be known as frequency range 1, the user plane data that target is other UE is sent enUE by gNB working frequency 1.
Step 503: the frequency information used between gNB and other UE being known as frequency range 2, gNB working frequency 2 believes scheduling Breath is sent to other UE.Meanwhile enUE gets the scheduling information of gNB.It indicates to be used to send user in scheduling information and put down The running time-frequency resource of face data.
Step 504: the frequency information that the second link uses being known as frequency range 3, frequency range 3 and frequency range 2 can be identical frequency Rate is also possible to different frequencies.EnUE sends downlink data to other UE according to the scheduling information working frequency 3 of gNB.
The case where for uplink:
Scheduling information is sent to other UE by step 505:gNB working frequency 2.EnUE gets the scheduling letter of gNB simultaneously Breath.The running time-frequency resource that can be used to send user plane data is indicated in scheduling information.
Step 506:enUE receives the upstream data of other UE according to the scheduling information of gNB in frequency range 3.Frequency range 3 and frequency Section 2 can be identical frequency, be also possible to different frequencies.
Step 507:enUE working frequency 1 forwards the upstream data of other UE to gNB.
Corresponding to the above method, present invention also provides a kind of data forwarding user equipmenies, comprising:
For entering the mode switch module of enhancement mode according to the instruction received from base station；
Data forwarding module for the data between repeating base station and the 2nd UE.
According to one embodiment of present invention, the equipment can also include from base station receive base station to the 2nd UE when The module of the scheduling information of frequency resource；
At this point, the data forwarding module is used to forward the data between the base station and the 2nd UE in the following way: Receive the downlink data for being sent to the 2nd UE from base station, through the equipment in the enhanced mode corresponding protocol stack structure by After layer processing, corresponding second is transmitted on corresponding running time-frequency resource according to the scheduling information of the running time-frequency resource of the 2nd UE UE；And/or it is received on corresponding running time-frequency resource from the 2nd UE's according to the scheduling information of the running time-frequency resource of the 2nd UE It is sent to the upstream data of base station, after corresponding protocol stack structure is successively handled in the enhanced mode through the equipment, is transmitted to Base station.
According to another embodiment of the invention, which can also include the tune that running time-frequency resource is sent to the 2nd UE Spend the module of information；
At this point, the data forwarding module is used to forward the data between the base station and other UE in the following way: Receive the downlink data for being sent to the 2nd UE from base station, through the equipment in the enhanced mode corresponding protocol stack structure by After layer processing, corresponding 2nd UE is transmitted on corresponding running time-frequency resource according to the scheduling information；And/or according to described Scheduling information receives the upstream data for being sent to base station from the 2nd UE on corresponding running time-frequency resource, is increasing through the equipment After corresponding protocol stack structure is successively handled under strong mode, it is transmitted to base station.
Preferably, the equipment can also include that the module of access information and community configured information is received from the base station, The access information is for second UE access this user equipment；
And the module including sending the access information and community configured information to the 2nd UE, the access for receiving the 2nd UE are asked The module asked.
Preferably, the equipment can also include that the module of the channel state information of the first link is reported to the base station, institute State link of first link between this user equipment and base station.The channel state information is good for base station selected channel condition Enter enhancement mode in the first UE of setting first threshold, to forward channel condition to be worse than the 2nd UE and base of setting second threshold Data between standing.
Preferably, the equipment can also include being reported between this user equipment and the 2nd UE to base station at least one carrier wave On channel state information module.
Preferably, this equipment further includes reporting module, which is used to report this user equipment to exist to the base station The protocol stack structure information supported under enhancement mode, the protocol stack structure that the equipment is supported in the enhanced mode at least wrap It includes with one of flowering structure:
Protocol stack structure B0, control plane includes: radio resource control RRC layer, PDCP layers of Packet Data Convergence Protocol, nothing Wired link controls rlc layer, media access control MAC layer and physical PHY layer, and user plane includes: that service data adapts to agreement SDAP layers, PDCP layers, rlc layer, MAC layer and PHY layer；
Protocol stack structure B1, comprising: PDCP layers, rlc layer, MAC layer and PHY layer；
Protocol stack structure B2, comprising: PDCP layers of a part, rlc layer, MAC layer and PHY layer；
Protocol stack structure B3, comprising: rlc layer, MAC layer and PHY layer；
Protocol stack structure B4, comprising: a part, MAC layer and the PHY layer of rlc layer；
Protocol stack structure B5, comprising: MAC layer and PHY layer；
Protocol stack structure B6, comprising: a part and PHY layer of MAC layer；
Protocol stack structure B7, comprising: PHY layer；
Protocol stack structure B8, comprising: a part of PHY layer.
Preferably, the instruction of the base station includes at least one in following information:
A, the first UE in the enhanced mode used in protocol stack structure information；
B, the plane information that the protocol stack structure information is serviced；
C, the data transfer direction information for the plane that the protocol stack structure information is serviced；
D, the identification information for the 2nd UE that the first UE is serviced.
Preferably, the information of the base station instruction may include following combination:
Only configuration a；
Only one group of a, b of configuration, or a, b that configuration at least two groups are different；
Only one group of a, c of configuration, or a, c that configuration at least two groups are different；
Only one group of a, d of configuration, or a, d that configuration at least two groups are different；
Only one group of a, b, c of configuration, or a, b, c that configuration at least two groups are different；
Only one group of a, b, d of configuration, or a, b, d that configuration at least two groups are different；
Only one group of a, c, d of configuration, or a, c, d that configuration at least two groups are different；
Configure one group of a, b, c, d, or a, b, c, d that configuration at least two groups are different.
Preferably, the instruction of the base station includes at least one of following information: the dual-mode of the second link use, The under Physical Cell Identifier, enhancement mode used by carrier frequency and bandwidth that second link uses, cell where the second link The maximum operating mode that sends power, second link of one UE in the second link；
Wherein, second link is the link between the first UE and the 2nd UE under enhancement mode.
Preferably, before the data that this user equipment forwards between the base station and the 2nd UE, this user equipment also from Base station receives configuration information related with the forwarding data of the 2nd UE, and the configuration information is used to indicate the data for needing to forward.
The configuration information related with the forwarding data of the 2nd UE includes at least one of following information:
The identification information of 2nd UE belonging to the data for needing to forward；
The instruction information of carrying belonging to the data for needing to forward；
The identification information of logic channel belonging to the data for needing to forward；
The information of physical resource belonging to the data for needing to forward.
Corresponding to the method for the above-mentioned side UE, present invention also provides a kind of data forwarding method suitable for base station side, packets It includes:
The instruction of enhancement mode is transmitted into the first UE for having the ability for supporting enhancement mode；
It will be forwarded with the data of the 2nd UE by the first UE.
Preferably, this method can also include: to be sent to scheduling information of the base station to the running time-frequency resource of the 2nd UE First UE.
Preferably, this method can also include: that will be used to the access information of the first UE and cell described in the second UE access match Confidence breath is sent to the first UE；Alternatively, the access information for being used for the first UE described in the second UE access is sent to described Two UE.
Preferably, this method can also include: the channel state information for receiving the first link that the first UE is reported.Compared with Good, it includes: according to each UE that the first UE to the ability for having support enhancement mode, which is transmitted into the instruction of enhancement mode, The channel state information of the first link reported selects channel condition to be better than the first UE of setting first threshold, Xiang Suoshu channel The first UE that condition is better than setting first threshold is transmitted into the instruction of enhancement mode, to forward channel condition to be worse than setting second Data between 2nd UE of threshold value and base station.
Preferably, the instruction of the base station includes at least one in following information:
A, the first UE in the enhanced mode used in protocol stack structure information；
B, the plane information that the protocol stack structure information is serviced；
C, the data transfer direction information for the plane that the protocol stack structure information is serviced；
D, the identification information for the 2nd UE that the first UE is serviced.
Preferably, this method, which can also include: base station, sends configuration related with the data of the 2nd UE are forwarded to the first UE Information, the configuration information are used to indicate the data for needing to forward.
Preferably, the configuration information related with the forwarding data of the 2nd UE includes at least one of following information:
The identification information of 2nd UE belonging to the data for needing to forward；
The instruction information of carrying belonging to the data for needing to forward；
The identification information of logic channel belonging to the data for needing to forward；
The information of physical resource belonging to the data for needing to forward.
Corresponding to the method for above-mentioned access node side, present invention also provides a kind of base stations, comprising:
For being transmitted into the indicating module of the instruction of enhancement mode to the first UE for having the ability for supporting enhancement mode；
Forward process module for will be forwarded with the data of the 2nd UE by the first UE.
Preferably, this method can also include: to be sent to scheduling information of the base station to the running time-frequency resource of the 2nd UE First UE.
Preferably, the equipment can also include that will be used for the access information of the first UE described in the second UE access and cell configuration Information is sent to the module of the first UE；Alternatively, the access information for being used for the first UE described in the second UE access is sent to institute State the module of the 2nd UE.
Preferably, the equipment can also include the mould for receiving the channel state information for the first link that the first UE is reported Block.Preferably, it includes: basis that the first UE to the ability for having support enhancement mode, which is transmitted into the instruction of enhancement mode, The channel state information for the first link that each UE is reported selects channel condition to be better than the first UE, Xiang Suoshu of setting first threshold The first UE that channel condition is better than setting first threshold is transmitted into the instruction of enhancement mode, to forward channel condition to be worse than setting Data between 2nd UE of second threshold and base station.
Preferably, the instruction of the base station includes at least one in following information:
A, the first UE in the enhanced mode used in protocol stack structure information；
B, the plane information that the protocol stack structure information is serviced；
C, the data transfer direction information for the plane that the protocol stack structure information is serviced；
D, the identification information for the 2nd UE that the first UE is serviced.
Preferably, base station can also send configuration information related with the forwarding data of the 2nd UE to the first UE, it is described to match Confidence breath is used to indicate the data for needing to forward.
The configuration information related with the forwarding data of the 2nd UE includes at least one of following information:
The identification information of 2nd UE belonging to the data for needing to forward；
The instruction information of carrying belonging to the data for needing to forward；
The identification information of logic channel belonging to the data for needing to forward；
The information of physical resource belonging to the data for needing to forward.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.

Claims (21)

1. a kind of data forwarding method characterized by comprising
The instruction that first UE receives base station enters enhancement mode；
First UE forwards the data between the base station and the 2nd UE.
2. according to the method described in claim 1, it is characterized by:
This method further include: the first UE receives base station to the scheduling information of the running time-frequency resource of the 2nd UE from base station；
It includes: that the first UE receives the transmission from base station that first UE, which forwards the data between the base station and the 2nd UE, To the downlink data of the 2nd UE, after through the first UE, corresponding protocol stack structure is successively handled in the enhanced mode, according to institute The scheduling information for stating the running time-frequency resource of the 2nd UE is transmitted to the 2nd UE on corresponding running time-frequency resource；And/or the first UE is pressed It is received on corresponding running time-frequency resource according to the scheduling information of the running time-frequency resource of the 2nd UE and is sent to base station from the 2nd UE Upstream data be transmitted to base station after corresponding protocol stack structure is successively handled in the enhanced mode through the first UE.
3. according to the method described in claim 1, it is characterized by:
This method further include: the first UE sends the scheduling information of running time-frequency resource to the 2nd UE；
It includes: that the first UE receives the transmission from base station that first UE, which forwards the data between the base station and the 2nd UE, To the downlink data of the 2nd UE, after through the first UE, corresponding protocol stack structure is successively handled in the enhanced mode, according to institute It states scheduling information and is transmitted to the 2nd UE on corresponding running time-frequency resource；And/or the first UE according to the scheduling information right The upstream data for being sent to base station from the 2nd UE is received on the running time-frequency resource answered, it is right in the enhanced mode through the first UE After the protocol stack structure answered successively is handled, it is transmitted to base station.
4. method according to any one of claims 1 to 3, which is characterized in that this method further include:
First UE receives access information and community configured information from the base station, and the access information is used for the second UE access The UE；
First UE sends the access information and configuration information, and receives the access request of the 2nd UE.
5. method according to any one of claims 1 to 4, it is characterised in that:
This method further include: the first UE reports the channel state information of the first link to the base station；First link For the link between the first UE and base station, the channel state information is better than setting first for base station selected channel condition First UE of threshold value enters enhancement mode, to forward channel condition to be worse than the number between the 2nd UE and base station of setting second threshold According to.
6. according to the method described in claim 5, it is characterized by:
The information that first UE is reported to base station further include: the channel between the first UE and the 2nd UE at least one carrier wave Status information.
7. method according to any one of claims 1 to 6, which is characterized in that receive the instruction of base station in the first UE Into before enhancement mode, further includes:
The protocol stack structure information that first UE reports the first UE to be supported in the enhanced mode to the base station, it is described The protocol stack structure that first UE is supported in the enhanced mode is included at least with one of flowering structure:
Protocol stack structure B0, control plane includes: radio resource control RRC layer, PDCP layers of Packet Data Convergence Protocol, radio chains Road controls rlc layer, media access control MAC floor and physical PHY layer, user plane include: service data adapt to agreement SDAP layers, PDCP layers, rlc layer, MAC layer and PHY layer；
Protocol stack structure B1, comprising: PDCP layers, rlc layer, MAC layer and PHY layer；
Protocol stack structure B2, comprising: PDCP layers of a part, rlc layer, MAC layer and PHY layer；
Protocol stack structure B3, comprising: rlc layer, MAC layer and PHY layer；
Protocol stack structure B4, comprising: a part, MAC layer and the PHY layer of rlc layer；
Protocol stack structure B5, comprising: MAC layer and PHY layer；
Protocol stack structure B6, comprising: a part and PHY layer of MAC layer；
Protocol stack structure B7, comprising: PHY layer；
Protocol stack structure B8, comprising: a part of PHY layer.
8. method according to any one of claims 1 to 7, which is characterized in that the instruction of the base station includes following information At least one of in:
A, the first UE in the enhanced mode used in protocol stack structure information；
B, the plane information that the protocol stack structure information is serviced；
C, the data transfer direction information for the plane that the protocol stack structure information is serviced；
D, the identification information for the 2nd UE that the first UE is serviced.
9. according to the method described in claim 8, it is characterized in that, the information of base station instruction includes following combination:
Only configuration a；
Only one group of a, b of configuration, or a, b that configuration at least two groups are different；
Only one group of a, c of configuration, or a, c that configuration at least two groups are different；
Only one group of a, d of configuration, or a, d that configuration at least two groups are different；
Only one group of a, b, c of configuration, or a, b, c that configuration at least two groups are different；
Only one group of a, b, d of configuration, or a, b, d that configuration at least two groups are different；
Only one group of a, c, d of configuration, or a, c, d that configuration at least two groups are different；
Configure one group of a, b, c, d, or a, b, c, d that configuration at least two groups are different.
10. method according to any one of claims 1 to 9, which is characterized in that the instruction of the base station includes following information At least one of: cell where the carrier frequency and bandwidth, the second link of dual-mode, the use of the second link that the second link uses Used Physical Cell Identifier, the first UE are in the maximum transmission power of the second link, the operating mode of the second link；
Wherein, link of second link between the first UE and the 2nd UE.
11. method according to any one of claims 1 to 9, it is characterised in that:
Before the first UE forwards the data between the base station and the 2nd UE, further includes: the first UE is received and forwarded from base station The related configuration information of data of 2nd UE, the configuration information are used to indicate the data for needing to forward；
It includes: the first UE according to described and the 2nd UE of forwarding that first UE, which forwards the data between the base station and the 2nd UE, The related configuration information of data determines the data for needing to forward between base station and the 2nd UE.
12. according to the method for claim 11, which is characterized in that described related with the forwarding data of the 2nd UE with confidence Breath includes at least one of following information:
The identification information of 2nd UE belonging to the data for needing to forward；
The instruction information of carrying belonging to the data for needing to forward；
The identification information of logic channel belonging to the data for needing to forward；
The information of physical resource belonging to the data for needing to forward.
13. a kind of user equipment characterized by comprising
For entering the mode switch module of enhancement mode according to the instruction received from base station；
Data forwarding module for the data between repeating base station and the 2nd UE.
14. a kind of data forwarding method characterized by comprising
The instruction of enhancement mode is transmitted into the first UE for having the ability for supporting enhancement mode；
It will be forwarded with the data of the 2nd UE by the first UE.
15. according to the method for claim 14, it is characterised in that:
This method further include: scheduling information of the base station to the running time-frequency resource of the 2nd UE is sent to the first UE.
16. method according to claim 14 or 15, which is characterized in that this method further include:
It will be used for the access information of the first UE and community configured information described in the second UE access and be sent to the first UE；
Alternatively, the access information for being used for the first UE described in the second UE access is sent to the 2nd UE.
17. 4 to 16 described in any item methods according to claim 1, it is characterised in that:
This method further include: receive the channel state information for the first link that the first UE is reported；
It includes: according on each UE that the first UE to the ability for having support enhancement mode, which is transmitted into the instruction of enhancement mode, The channel state information of first link of report selects channel condition to be better than the first UE of setting first threshold, Xiang Suoshu channel item The first UE that part is better than setting first threshold is transmitted into the instruction of enhancement mode, to forward channel condition to be worse than the second threshold of setting Data between the 2nd UE and base station of value.
18. 4 to 17 described in any item methods according to claim 1, it is characterised in that:
The instruction of the base station includes at least one in following information:
A, the first UE in the enhanced mode used in protocol stack structure information；
B, the plane information that the protocol stack structure information is serviced；
C, the data transfer direction information for the plane that the protocol stack structure information is serviced；
D, the identification information for the 2nd UE that the first UE is serviced.
19. 4 to 18 described in any item methods according to claim 1, which is characterized in that this method further include:
Base station sends configuration information related with the forwarding data of the 2nd UE to the first UE, and the configuration information is used to indicate needs The data of forwarding.
20. according to the method for claim 19, which is characterized in that described related with the forwarding data of the 2nd UE with confidence Breath includes at least one of following information:
The identification information of 2nd UE belonging to the data for needing to forward；
The instruction information of carrying belonging to the data for needing to forward；
The identification information of logic channel belonging to the data for needing to forward；
The information of physical resource belonging to the data for needing to forward.
21. a kind of base station characterized by comprising
For being transmitted into the indicating module of the instruction of enhancement mode to the first UE for having the ability for supporting enhancement mode；
Forward process module for will be forwarded with the data of the 2nd UE by the first UE.
CN201810010479.5A 2017-05-05 2018-01-05 Data forwarding method, user equipment and base station Pending CN110012480A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
CN201810010479.5A CN110012480A (en) 2018-01-05 2018-01-05 Data forwarding method, user equipment and base station
ES18793976T ES2841848T3 (en) 2017-05-05 2018-05-08 To Establish a Base Station and Forward Travel Link Interface
ES20206531T ES2886519T3 (en) 2017-05-05 2018-05-08 Procedures and apparatus for performing a handover for a UE
KR1020217014014A KR102301907B1 (en) 2017-05-05 2018-05-08 Method for establishing a fronthaul interface, method for performing access for a ue, method and apparatus for performing a handover for a ue, data forwarding method, user equipment and base station
EP18793976.4A EP3479647B1 (en) 2017-05-05 2018-05-08 Method for establishing a fronthaul interface and base station
KR1020187037456A KR102252271B1 (en) 2017-05-05 2018-05-08 Method for establishing a fronthaul interface, method for performing access for a ue, method and apparatus for performing a handover for a ue, data forwarding method, user equipment and base station
EP21190384.4A EP3927107B1 (en) 2017-05-05 2018-05-08 Method for establishing a fronthaul interface and base station
EP20206531.4A EP3796745B1 (en) 2017-05-05 2018-05-08 Methods and apparatuses for performing a handover for a ue
PCT/KR2018/005290 WO2018203739A1 (en) 2017-05-05 2018-05-08 Method for establishing a fronthaul interface, method for performing access for a ue, method and apparatus for performing a handover for a ue, data forwarding method, user equipment and base station
US16/318,244 US10880789B2 (en) 2017-05-05 2018-05-08 Method for establishing a fronthaul interface, method for performing access for a UE, method and apparatus for performing a handover for a UE, data forwarding method, user equipment and base station
US16/250,519 US10880799B2 (en) 2017-05-05 2019-01-17 Method for establishing a fronthaul interface, method for performing access for a UE, method and apparatus for performing a handover for a UE, data forwarding method, user equipment and base station
US17/128,964 US11546811B2 (en) 2017-05-05 2020-12-21 Method for establishing a fronthaul interface, method for performing access for a UE, method and apparatus for performing a handover for a UE, data forwarding method, user equipment and base station
US17/128,921 US11477703B2 (en) 2017-05-05 2020-12-21 Method for establishing a fronthaul interface, method for performing access for a UE, method and apparatus for performing a handover for a UE, data forwarding method, user equipment and base station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810010479.5A CN110012480A (en) 2018-01-05 2018-01-05 Data forwarding method, user equipment and base station

Publications (1)

Publication Number Publication Date
CN110012480A true CN110012480A (en) 2019-07-12

Family

ID=66533524

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810010479.5A Pending CN110012480A (en) 2017-05-05 2018-01-05 Data forwarding method, user equipment and base station

Country Status (1)

Country Link
CN (1) CN110012480A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11924791B2 (en) 2019-02-15 2024-03-05 Sony Group Corporation User equipment, centralized unit device, wireless communication method and storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102932044A (en) * 2011-08-11 2013-02-13 上海交通大学 Multiuser cooperative transmission method, user equipment and base station
CN105657838A (en) * 2015-04-30 2016-06-08 宇龙计算机通信科技(深圳)有限公司 Data relay transmission method, data relay transmission system and UE having relay function
CN105992279A (en) * 2015-02-02 2016-10-05 中兴通讯股份有限公司 Data processing method, data processing device, user equipment, base station
WO2017124821A1 (en) * 2016-01-21 2017-07-27 中兴通讯股份有限公司 Method for realizing bearer switching, terminal, and base station
CN107211271A (en) * 2015-12-31 2017-09-26 华为技术有限公司 Method, core network entity, base station and the first UE of user equipment access network

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102932044A (en) * 2011-08-11 2013-02-13 上海交通大学 Multiuser cooperative transmission method, user equipment and base station
CN105992279A (en) * 2015-02-02 2016-10-05 中兴通讯股份有限公司 Data processing method, data processing device, user equipment, base station
CN105657838A (en) * 2015-04-30 2016-06-08 宇龙计算机通信科技(深圳)有限公司 Data relay transmission method, data relay transmission system and UE having relay function
CN107211271A (en) * 2015-12-31 2017-09-26 华为技术有限公司 Method, core network entity, base station and the first UE of user equipment access network
WO2017124821A1 (en) * 2016-01-21 2017-07-27 中兴通讯股份有限公司 Method for realizing bearer switching, terminal, and base station

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11924791B2 (en) 2019-02-15 2024-03-05 Sony Group Corporation User equipment, centralized unit device, wireless communication method and storage medium

Similar Documents

Publication Publication Date Title
CN103379651B (en) The method and apparatus of transmission signal
CN103733708B (en) Uplink resource allocation for the communication based on via node
CN105142233B (en) 802.11 AP of the method used in 802.11 AP of IEEE and IEEE
CN109937587A (en) Buffer Status Report transmission method and its equipment
CN110024457A (en) The system and scheme of uplink synchronous for small data transmission
CN101163285B (en) Wireless communication systems
CN109891808A (en) Technology and equipment for common uplink burst
KR20180035643A (en) Method and apparatus of data transfer mode with/without rrc connection
CN109479302A (en) The improved semi-continuous resource allocation behavior sent for V2X
CN105122890B (en) Control terminal, base station and the correlation technique of the cell connection from WLAN
CN106797546B (en) Method and system for transmitting and receiving protocol data units in a communication network
CN110383880A (en) Method and apparatus for sending data cell
CN106992846A (en) A kind of data transmission method for uplink, data receiver method and device
CN108768594A (en) Channel set distribution in frequency division multiplex communication in intensive wireless environment
CN105940752A (en) Communications device and methods
CN108353317B (en) Method and apparatus for receiving MAC PDU in mobile communication system
CN107836135A (en) The method and apparatus for sending and receiving data by terminal in a wireless communication system
CN108809594A (en) Method, terminal device and the network equipment of transmission data
CN108401302A (en) A kind of resource regulating method, apparatus and system
CN110476451A (en) The method and device thereof of lossless data grouping are sent based on service quality (QOS) frame in a wireless communication system
CN108886446A (en) Uplink data processing method and its device
CN110383876A (en) For repeating the method and its equipment of receiving control message
JP2024505101A (en) Wireless communication method using multilink and wireless communication terminal using the same
EP3952549A1 (en) Communication method and apparatus
WO2015139328A1 (en) Method, apparatus and device for scheduling data by using unlicensed spectrum

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination