CN105657865B - A kind of data relay transmission method, system and the UE for having relay function - Google Patents
A kind of data relay transmission method, system and the UE for having relay function Download PDFInfo
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- CN105657865B CN105657865B CN201510217036.XA CN201510217036A CN105657865B CN 105657865 B CN105657865 B CN 105657865B CN 201510217036 A CN201510217036 A CN 201510217036A CN 105657865 B CN105657865 B CN 105657865B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- 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
Abstract
The invention discloses a kind of data relay transmission method, system and the UE for having relay function, the method receives the UE data packet to be forwarded from user equipment, and by being decapsulated accordingly to the UE data packet and encapsulation process, obtain include the first mesh of fisrt feature data data packet, sender's identity of the data packet of the first mesh described in the fisrt feature data characterization is UE；Later, the data of the first mesh are sent to mobile communications network node.It can be seen that, it is different from existing trunking plan and interim data is sent with the role of HeNB, the method of the present invention sends received UE data packet processing to be forwarded for that can characterize the purpose data packet that sender's identity is UE, i.e. the method for the present invention sends interim data with UE role, to which interim data directly can be transmitted to mobile communications network node by the relaying UE of application the method for the present invention, without reducing relaying time delay by external network, the reliability of relay transmission is improved.
Description
Technical field
The invention belongs to mobile communication technology field more particularly to a kind of data relay transmission method, system and have
After the UE (User Equipment, user equipment) of function.
Background technique
Relaying UE refers to UE in the controlled end as mobile communications network, provides for user and the terminal functions such as makes a phone call
Meanwhile data relay function also is provided as a component part of mobile communications network, to promote covering and the capacity of network.
Currently, relaying UE scheme can be realized by the way that simply terminal and HeNB (Home eNodeB) function become one,
Specifically, by being integrated directly in UE in UE data surface/chain of command agreement stack and HeNB data surface/chain of command agreement stack offer
The function needed for UE, on this basis, relaying UE is based on integrated HeNB protocol stack, using the retransmission method of HeNB, will in
HeNB role is by external network accordingly for revolution, and for example internet, is transmitted to mobile communications network node, realizes that its relaying is made
With.HeNB need to carry out data interaction by the external networks such as internet and mobile communications network node, and the time delay of external network
It qualitative can not will lead to the relaying access performance decline provided for UE with transmission.Therefore, there are time delay height, biography for existing trunking plan
The disadvantages of defeated poor reliability, brings larger impact for the QoS (QualityofService, service quality) of accessing user.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of data relay transmission method, system and having relay function
UE, with solve existing trunking plan because need to by the external networks such as internet realize relay, caused by data relay time delay
High, the problems such as transmission reliability is poor.
For this purpose, the present invention is disclosed directly below technical solution:
A kind of data relay transmission method is applied to the first user equipment, which comprises
Receive the UE data packet from user equipment (UE)；
Preset first decapsulation processing is carried out to the UE data packet, obtains the first raw data packets；
First raw data packets are encapsulated as to the data packet of the first mesh of preset format, the data packet of first mesh
Including fisrt feature data, sender's identity of the data packet of the first mesh described in the fisrt feature data characterization is UE；
The data packet of first mesh is sent to mobile communications network node.
The above method, it is preferred that the UE is first user equipment；Preset the then is carried out to the UE data packet
One decapsulation processing, obtains the first raw data packets, comprising:
Using the UE data packet received from first user equipment as first raw data packets.
The above method, it is preferred that the UE is other UE except first user equipment, then to the UE data packet
Preset first decapsulation processing is carried out, the first raw data packets are obtained are as follows:
Successively according to physical layer PHY agreement, media access control layer MAC protocol, wireless chain control layer rlc protocol to institute
It states UE data packet and executes decapsulation, obtain the first raw data packets.
The above method, it is preferred that the UE data packet, the number of the first raw data packets are respectively M, and M is greater than 1
Natural number；First raw data packets are then encapsulated as to the data packet of the first mesh of preset format, comprising:
According to preset polymeric rule, the M the first raw data packets are polymerized to P the first intermediate data packets, P is
Natural number not less than 1, and P≤M；
Preset relay format encapsulation is carried out to each first intermediate data packet, obtains P the second intermediate data packets；
The second intermediate data packet includes trunk protocol head, and the trunk protocol head includes S UE mark, the S UE mark point
The source UE mark of S the first raw data packets of the first intermediate data packet Wei not be constituted, S is the natural number not less than 1,
And S≤M；
Format encapsulation successively is carried out to each second intermediate data packet according to rlc protocol, MAC protocol, PHY agreement,
Obtain the data packet of P the first mesh.
The above method, it is preferred that the UE data packet, the number of the first raw data packets are respectively one, then will be described
First raw data packets are encapsulated as the data packet of the first mesh of preset format, comprising:
Preset relay format encapsulation is carried out to first raw data packets, obtains third intermediate data packet；Described
Three intermediate data packets include trunk protocol head, and the trunk protocol head is identified including a UE, and it is former that the UE is identified as described first
The source UE of beginning data packet is identified；
Format encapsulation successively is carried out to the third intermediate data packet according to rlc protocol, MAC protocol, PHY agreement, is obtained
The data packet of first mesh.
The above method, it is preferred that the UE is other UE except first user equipment, then to the UE data packet
Preset first decapsulation processing is carried out, the first raw data packets are obtained, comprising:
Decapsulation successively is executed to the UE data packet according to PHY agreement, MAC protocol, obtains the first raw data packets.
The above method, it is preferred that the UE data packet, the number of the first raw data packets are respectively M, and M is greater than 1
Natural number；First raw data packets are then encapsulated as to the data packet of the first mesh of preset format, comprising:
In rlc protocol layer according to preset polymeric rule, the M the first raw data packets are polymerized in P the 4th
Between data packet, P is natural number not less than 1, and P≤M；
Preset relay format encapsulation is carried out to each 4th intermediate data packet in rlc protocol layer, obtains P the 5th
Intermediate data packet；The 5th intermediate data packet includes trunk protocol head, and the trunk protocol head includes S UE mark, the S
A UE mark is respectively the source UE mark for S the first raw data packets for constituting the first intermediate data packet, S be not less than
1 natural number, and S≤M；
Format encapsulation successively is carried out to each 5th intermediate data packet according to MAC protocol, PHY agreement, obtains P the
The data packet of one mesh.
The above method, it is preferred that the UE data packet, the number of the first raw data packets are respectively one, then will be described
First raw data packets are encapsulated as the data packet of the first mesh of preset format, comprising:
Preset relay format encapsulation is carried out to first raw data packets in rlc protocol layer, obtains the 6th mediant
According to packet；The 6th intermediate data packet includes trunk protocol head, and the trunk protocol head is identified including a UE, and the UE is identified as
The source UE of first raw data packets is identified；
Format encapsulation successively is carried out to the 6th intermediate data packet according to MAC protocol, PHY agreement, obtains the first purpose
Data packet.
A kind of data relay transmission method is applied to the first user equipment, which comprises
The node data packet from mobile communications network node is received, the node data packet includes second feature data,
Recipient's identity that the second feature data are used to characterize the node data packet is UE；
Preset second decapsulation processing is carried out to the node data packet, obtains the second raw data packets, described second
Raw data packets include purpose UE mark；
Second raw data packets are encapsulated as to the data packet of the second mesh of preset format；
The data packet of second mesh is sent to the corresponding purpose UE of its purpose UE mark.
The above method, it is preferred that the node data packet include K sub- data packets and with the K sub- data packets one by one
Corresponding K purpose UE mark, K are the natural number greater than 1；It is then described that preset second deblocking is carried out to the node data packet
Dress processing, obtaining the second raw data packets includes:
Decapsulation successively is executed to the node data packet according to PHY agreement, MAC protocol, rlc protocol；
Node data packet after decapsulation is split as K the second raw data packets, each second raw data packets
Including a sub- data packet and the corresponding purpose UE mark of the subdata packet.
The above method, it is preferred that the node data packet includes a sub- data packet and corresponding with the subdata packet
Purpose UE mark, then it is described that preset second decapsulation processing is carried out to the node data packet, obtain the second raw data packets
Include:
Decapsulation successively is executed to the node data packet according to PHY agreement, MAC protocol, rlc protocol, obtains the second original
Beginning data packet, second raw data packets include the subdata packet and the corresponding purpose UE mark of the subdata packet.
The above method, it is preferred that the purpose UE in second raw data packets identifies corresponding UE are as follows: described first uses
Other UE except the equipment of family；The data packet that second raw data packets are then encapsulated as to the second mesh of preset format includes:
Format encapsulation successively is carried out to second raw data packets according to rlc protocol, MAC protocol, PHY agreement, is obtained
The data packet of second mesh.
The above method, it is preferred that the purpose UE in second raw data packets identifies corresponding UE are as follows: described first uses
Family equipment；The data packet that second raw data packets are then encapsulated as to the second mesh of preset format includes:
Using second raw data packets as the data packet of the second mesh.
A kind of data relay transmitting device is applied to the first user equipment, which comprises
First receiving module, for receiving the UE data packet from user equipment (UE)；
First decapsulation module is handled for carrying out preset first decapsulation to the UE data packet, obtains the first original
Beginning data packet；
First package module, the data packet of the first mesh for first raw data packets to be encapsulated as to preset format,
The data packet of first mesh includes fisrt feature data, the hair of the data packet of the first mesh described in the fisrt feature data characterization
The side's of sending identity is UE；
First sending module, for the data packet of first mesh to be sent to mobile communications network node.
Above-mentioned apparatus, it is preferred that the UE is first user equipment；Then first decapsulation module are as follows:
First processing units, for using the UE data packet received from first user equipment as first original number
According to packet.
Above-mentioned apparatus, it is preferred that the UE is other UE except first user equipment, then first decapsulation
Module includes:
First decapsulation unit, for successively according to PHY agreement, MAC protocol, rlc protocol to from other UE's
UE data packet executes decapsulation, obtains first raw data packets.
Above-mentioned apparatus, it is preferred that the UE data packet, the number of the first raw data packets are respectively M, and M is greater than 1
Natural number；Then first package module includes:
First polymerized unit, for according to preset polymeric rule, the M the first raw data packets to be polymerized to P
First intermediate data packet, P are natural number not less than 1, and P≤M；
First encapsulation unit obtains P for carrying out preset relay format encapsulation to each first intermediate data packet
A second intermediate data packet；The second intermediate data packet includes trunk protocol head, and the trunk protocol head includes S UE mark
Know, the S UE mark is respectively the source UE mark for S the first raw data packets for constituting the first intermediate data packet, S
For the natural number not less than 1, and S≤M；
Second encapsulation unit, for successively according to rlc protocol, MAC protocol, PHY agreement to each second mediant
Format encapsulation is carried out according to packet, obtains the data packet of P the first mesh.
Above-mentioned apparatus, it is preferred that the UE data packet, the number of the first raw data packets are respectively one, then and described
One package module includes:
Third encapsulation unit obtains third for carrying out preset relay format encapsulation to first raw data packets
Intermediate data packet；The third intermediate data packet includes trunk protocol head, and the trunk protocol head is identified including a UE, the UE
It is identified as the source UE mark of first raw data packets；
4th encapsulation unit, for successively according to rlc protocol, MAC protocol, PHY agreement to the third intermediate data packet
Format encapsulation is carried out, the data packet of the first mesh is obtained.
Above-mentioned apparatus, it is preferred that the UE is other UE except first user equipment, then first decapsulation
Module includes:
Second decapsulation unit is obtained for successively executing decapsulation to the UE data packet according to PHY agreement, MAC protocol
To the first raw data packets.
Above-mentioned apparatus, it is preferred that the UE data packet, the number of the first raw data packets are respectively M, and M is greater than 1
Natural number；Then first package module includes:
Second polymerized unit is used in rlc protocol layer according to preset polymeric rule, by the M the first initial data
Packet aggregation is P the 4th intermediate data packets, and P is the natural number not less than 1, and P≤M；
5th encapsulation unit, for carrying out preset relaying lattice to each 4th intermediate data packet in rlc protocol layer
Formula encapsulation obtains P the 5th intermediate data packets；The 5th intermediate data packet includes trunk protocol head, the trunk protocol head
It is identified including S UE, the S UE mark is respectively to constitute S the first raw data packets of the first intermediate data packet
Source UE mark, S are natural number not less than 1, and S≤M；
6th encapsulation unit, for successively being carried out according to MAC protocol, PHY agreement to each 5th intermediate data packet
Format encapsulation, obtains the data packet of P the first mesh.
Above-mentioned apparatus, it is preferred that the UE data packet, the number of the first raw data packets are respectively one, then and described
One package module includes:
7th encapsulation unit, for carrying out preset relay format envelope to first raw data packets in rlc protocol layer
Dress, obtains the 6th intermediate data packet；The 6th intermediate data packet includes trunk protocol head, and the trunk protocol head includes a UE
Mark, the UE are identified as the source UE mark of first raw data packets；
8th encapsulation unit, for successively carrying out format to the 6th intermediate data packet according to MAC protocol, PHY agreement
Encapsulation, obtains the data packet of the first mesh.
A kind of data relay transmitting device is applied to the first user equipment, which comprises
Second receiving module, for receiving the node data packet from mobile communications network node, the node data packet
Including second feature data, recipient's identity that the second feature data are used to characterize the node data packet is UE；
Second decapsulation module handles for carrying out preset second decapsulation to the node data packet, obtains second
Raw data packets, second raw data packets include purpose UE mark；
Second package module, the data packet of the second mesh for second raw data packets to be encapsulated as to preset format；
Second sending module, for the data packet of second mesh to be sent to corresponding to its internal purpose UE mark
Purpose UE.
Above-mentioned apparatus, it is preferred that the node data packet include K sub- data packets and with the K sub- data packets one by one
Corresponding K purpose UE mark, K are the natural number greater than 1；Then second decapsulation module includes:
Third decapsulation unit, for successively being held according to PHY agreement, MAC protocol, rlc protocol to the node data packet
Row decapsulation；
Split cells, for the node data packet after decapsulation to be split as K the second raw data packets, each described the
Two raw data packets include a sub- data packet and the corresponding purpose UE mark of the subdata packet.
Above-mentioned apparatus, it is preferred that the node data packet includes a sub- data packet and corresponding with the subdata packet
Purpose UE mark, then second decapsulation module includes:
4th decapsulation unit, for successively being held according to PHY agreement, MAC protocol, rlc protocol to the node data packet
Row decapsulation, obtains the second raw data packets, second raw data packets include the subdata packet and the subdata packet
Corresponding purpose UE mark.
Above-mentioned apparatus, it is preferred that the purpose UE in second raw data packets identifies corresponding UE are as follows: described first uses
Other UE except the equipment of family；Then second package module includes:
9th encapsulation unit, for successively according to rlc protocol, MAC protocol, PHY agreement to second raw data packets
Format encapsulation is carried out, the data packet of the second mesh is obtained.
Above-mentioned apparatus, it is preferred that the purpose UE in second raw data packets identifies corresponding UE are as follows: described first uses
Family equipment；Then second package module are as follows:
The second processing unit, for using second raw data packets as the data packet of the second mesh.
A kind of UE having relay function, including data relay transmitting device as described above.
As it can be seen from the above scheme the method for the present invention receives the UE data packet from user equipment, and by the UE number
Decapsulated accordingly and encapsulation process according to packet, obtain include the first mesh of fisrt feature data data packet, described first
Sender's identity that characteristic characterizes the data packet of first mesh is UE；Later, the data of first mesh are sent to
Mobile communications network node.Interim data is sent with the role of HeNB as it can be seen that being different from existing trunking plan, the method for the present invention will
Received UE data packet processing to be forwarded sends for that can characterize the purpose data packet that sender's identity is UE, i.e., of the invention
Method sends interim data with UE role, so that interim data directly can be transmitted to movement by the relaying UE using the method for the present invention
Communication network node (such as base station) improves the reliable of relay transmission without reducing relaying time delay by external network
Property.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart for the data relay transmission method that the embodiment of the present invention one provides；
Fig. 2 (a), Fig. 2 (b) are data surface, chain of command agreement stack in the trunking plan of the offer of the embodiment of the present invention one respectively
Protocol architecture；
Fig. 3 is the UE relaying schematic illustration that the embodiment of the present invention one provides；
Fig. 4 is the radio bearer schematic diagram for the relay function sublayer that the embodiment of the present invention one provides；
Fig. 5 is the relay format encapsulation schematic diagram that the embodiment of the present invention one provides；
Fig. 6 is the trunk protocol head composition and form schematic diagram that the embodiment of the present invention one provides；
Fig. 7 is the upstream data relay processes schematic diagram that the embodiment of the present invention one provides；
Fig. 8 is another flow chart of data relay transmission method provided by Embodiment 2 of the present invention；
Fig. 9 is a kind of structural schematic diagram for the data relay transmitting device that the embodiment of the present invention three provides；
Figure 10 is another structural schematic diagram for the data relay transmitting device that the embodiment of the present invention four provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
The present embodiment one discloses a kind of data relay transmission method, is applied to the first user equipment, with reference to Fig. 1, the side
Method may comprise steps of:
S101: the UE data packet from user equipment (UE) is received.
Wherein, the data for including in the UE data packet are user data or signaling data.
The source UE of the UE data packet can be other UE except first user equipment, i.e. access relaying UE
Access UE.In other embodiments of the present invention, the source UE of the UE data packet can also be the of carrying the method for the present invention
One user equipment, i.e. relaying UE.
Original protocol stack of existing common UE realizes association needed for it is made a phone call, sends the terminal functions such as short message
View stack includes: for providing the data plane protocols stack of technical support to sending and receiving user data, and for sending and receiving signaling number
According to the chain of command agreement stack of offer technical support.
Wherein, data plane protocols stack by bottom to upper layer successively include PHY (PhysicalLayer, physical layer) agreement,
MAC (MediaAccessControl, media intervene control layer) agreement, RLC (RadioLinkControl, wireless spread-spectrum technology
Layer) agreement, PDCP, IP, APP agreement；Chain of command agreement stack successively includes PHY agreement, MAC protocol, RLC association by bottom to upper layer
View, PDCP, RRC agreement and NAS agreement, UE is according to function needed for various protocol realizations its equivalent layer in above-mentioned protocol stack.
In order to realize trunking plan, make UE have make a phone call, send the terminal functions such as short message while, be also equipped with
Data relay effect is embodied as in the data interaction accessed between UE and mobile communication corresponding network node (such as base station) offer data
After function, with reference to the relaying UE protocol stack structure that Fig. 2 (a) and Fig. 2 (b) are shown, the present embodiment is in UE legacy data face protocol stack
And a virtual relay function sublayer, the sublayer are increased between the rlc protocol layer and PDCP protocol layer of chain of command agreement stack
The newly-increased sublayer (belonging to PDCP layers) that can be the former side RLC PDCP layers of, the newly-increased sublayer for being also possible to the side former rlc layer PDCP (belong to
In rlc layer), or an independent protocol layer can also be the function increase to original PDCP or rlc layer.
On this basis, as shown in Fig. 2 (a) and Fig. 2 (b), by PHY, MAC, RLC, relay function sublayer, PDCP, IP/
Each layer protocol of RRC, APP/NAS is embodied as UE with UE role's sending and receiving base station data and provides support as UE functioning side agreement；It will
PHY, MAC, RLC, each layer protocol of relay function sublayer are embodied as UE as relay function side agreement to relay role's sending and receiving and connect
The data for entering UE provide support；Wherein, relay function side and UE functioning side can independently have its respective RLC, MAC and PHY layer,
One or more above-mentioned layers can also be shared, to realize the association that will be shared in UE functioning side protocol stack and relay function side protocol stack
View merges, and reduces redundancy.
Relay function side and UE functioning side can realize the logical cohesion of two functioning sides by its shared relay function sublayer,
Based on this, UE is during interim data, it can be achieved that its role transforming between UE role and relaying role.For example, UE exists
UE functioning side is received after the interim data packet of base station with UE role, by its relay function sub-layer processes be corresponding lattice
Formula data packet, the data packet enters another functioning side --- relay function side later, while UE is relaying angle by UE role transforming
Color, finally, relaying data are forwarded by the relay function side of UE with relaying role.
After increasing relay function sublayer on the basis of original protocol stack, UE is provided simultaneously with terminal function and data relaying function
Can, form relaying UE.As shown in Figure 3.UE, which is relayed, as relay node to keep signaling and data with access UE and base station simultaneously
Connection.
The specific standalone protocol layer using relay function sublayer between rlc protocol layer and PDCP protocol layer of the present embodiment
For, the application method is explained.
With reference to Fig. 4, for being relayed to UE upstream data (i.e. UE need to send data to base station), it is assumed that relay function
Sublayer is standalone protocol layer, then A1/A2/A3 is the radio bearer (relaying UE data) from UE functioning side, i.e., by relaying
UE application layer is transmitted downwards and by the PDCPPDUIP packet of PDCP processing；B1/B2/B3 is wirelessly holding from relay function side
It carries, the PDCPSDUIP packet that the rlc layer of specially relay function side is submitted upwards, which may be to connect from one
Enter the data packet of UE, it is also possible to for multiple data packets from multiple access UE.
In order to realize relaying morphological data (from access UE to interim data) and UE morphological data (relaying UE itself
Data) differentiation, the relay function sublayer of the present embodiment has following function one or function two:
Function one, according to preset polymerization mapping ruler (as based on QoS, APN, IP address or signaling type formulation
It polymerize mapping ruler) multiple PDCPSDUIP packets, PDCPPDUIP packet aggregation from relay function side and UE functioning side are mapped
For the less preset format result data packet of number；For example, according to the identical data packet aggregation of signaling type is mapped as one
This polymerization mapping ruler of big data packet is realized the identical data packet A of signaling typexAnd BxIt is mapped as a data packet Cx；
Wherein, the former PDCPSDUIP packet or PDCPPDUIP packet and described in the result data packet including correspondence mappings
The source UE of former PDCPSDUIP packet or PDCPPDUIP packet mark, to realize the differentiation of relaying morphological data and UE morphological data.
Function two, foundation one-to-one mapping rule, by multiple PDCPSDUIP from relay function side and UE functioning side
Packet, PDCPPDUIP packet are mapped as the preset format result data packet of identical quantity one by one, for example, by data packet AxAnd BxIt reflects respectively
It penetrates as data packet Cx1And Cx2。
Correspondingly, in the result data packet of function two equally including correspondence mappings former PDCPSDUIP packet or
The source UE of PDCPPDUIP packet and the original PDCPSDUIP packet or PDCPPDUIP packet mark.
One data packet is only included the case where for received radio bearer, then directly presses one-to-one mapping ruler, it will
Received PDCPSDUIP packet or PDCPPDUIP are mapped as the result data packet of corresponding format.
If the relay function sublayer is an independent sublayer, refering to what is shown in Fig. 5, relay function sublayer is former according to mapping
Difference then can increase a trunk protocol head (corresponding to function two) for each PDCPSDUIP packet or PDCPPDUIP packet；Or
(correspond to increase a trunk protocol head by multiple PDCPSDUIP packets, the resulting aggregated data packet of PDCPPDUIP packet aggregation
Function one).
Fig. 6 shows the composition and format of trunk protocol head, specifically includes:
D/C element: for indicating that the packet is the signaling data of user data or control signaling, indicating when value is D should
Packet is user data, indicates that the packet is signaling data when value is C；
SourceID (source identification) element: indicate that data source is the side UE or trunk side, further to mark
Note is derive specifically from which access UE of trunk side；
L element: the length of PDCPSUDIP packet or PDCPPDUIP packet is indicated；
R element: it to keep byte-aligned, according to L the and SourceID length used, is filled with bit is retained.
The each PDCPSDUIP packet or ODCPPDUIP for including in aggregated data packet can correspond to an independent relaying association
Subheader is discussed, multiple subheaders merge into a trunk protocol head or multiple PDCPSDU or PDU only have a trunk protocol head, should
Trunk protocol head includes multiple groups D/C, SourceID and L element, and corresponds respectively with multiple PDCPSDU or PDU.
If the relay function sublayer is original PDCP or the function of rlc layer increases:
In the data packet head format of original PDCP or rlc layer, the tables such as more than increase SourceID element, L element
The element of the various features such as data source mark, data packet length is levied, or using in existing PDCP or rlc layer data packet format
Reservation bit R indicate above-mentioned function.
The setting to relay function sublayer and function define the preprocessing part that can be used as the method for the present invention above.
On this basis, if access UE need to transmit data (by taking user data as an example) to base station eNB, data relay needs
It asks, with reference to Fig. 7, then accesses UE in its application layer and generate user data, generated user data successively passes through the UE and routinely assists
The protocal layers (IP, PDCP, RLC, MAC) for discussing stack carry out corresponding format encapsulation, and enter UE physical layer, finally will by radio frequency
The UE packet transmission for being encapsulated as corresponding format is gone out.
In other embodiments of the present invention, when data need to be transmitted to base station eNB by relaying UE, the application layer for relaying UE is generated
It is simultaneously transmitted to downwards PDCP layers by data, and user data is encapsulated as PDCPPDUIP packet (i.e. described first original number by PDCP layers
According to packet) after, continue its being transmitted to relay function sublayer downwards.
S102: preset first decapsulation is carried out to the UE data packet and is handled, the first raw data packets are obtained.
Still by taking user data as an example, if standalone protocol layer of the relay function sublayer between rlc layer and PDCP layers, relays
After the physical layer of UE receives the UE data packet of access UE, it is communicated up data packet, it is made successively to pass through trunk side protocol stack
PHY, MAC, rlc protocol layer carry out decapsulation processing, obtain PDCPSDUIP packet, i.e., described first raw data packets, finally, RLC
PDCPSDUIP packet is forwarded to relay function sublayer by protocol layer.
If the source UE of the UE data packet is first user equipment, i.e. relaying UE, then this step directly will relaying
The UEPDCP layers of data packet submitted are as first raw data packets.
S103: first raw data packets are encapsulated as to the data packet of the first mesh of preset format, first purpose
Data packet includes fisrt feature data, and sender's identity of the data packet of the first mesh described in the fisrt feature data characterization is
UE。
If the relay function sublayer of relaying UE is received from multiple or a UE M raw data packets, relay
Function sublayer is polymerized to P the first intermediate data packets (i.e. according to preset polymeric rule, by the M the first raw data packets
For above-mentioned aggregated data packet)；M is natural number greater than 1, and P is the natural number not less than 1, and P≤M；
And relay format encapsulation is carried out to each first intermediate data packet, P the second intermediate data packets are obtained, are realized
Polymerization mapping is carried out to the M raw data packets；The second intermediate data packet includes trunk protocol head, the trunk protocol
Head includes S UE mark, and the S UE mark is respectively to constitute S the first raw data packets of the first intermediate data packet
Source UE mark, S is natural number not less than 1, and S≤M；
Later, the rlc layer of UE functioning side, MAC layer, PHY layer are respectively according to rlc protocol, MAC protocol, PHY agreement to each
The second intermediate data packet carries out format encapsulation, obtains the data packet of P the first mesh.
In other embodiments of the present invention, if the number for the raw data packets that the relay function sublayer of relaying UE receives is
1, then relay function sublayer directly carries out relay format encapsulation to first raw data packets, obtains third intermediate data
Packet；The third intermediate data packet includes trunk protocol head, and the trunk protocol head includes UE mark, which is identified as described the
The source UE of one raw data packets is identified；Later, the rlc layer of UE functioning side, MAC layer, PHY layer are respectively according to rlc protocol, MAC
Agreement, PHY agreement carry out format encapsulation to the third intermediate data packet, obtain the data packet of the first mesh.
It should be noted that in other embodiments of the present invention, if relay function sublayer can be treated and be turned using other designs
The relay process process of hair data is adaptively adjusted, for example, when the function addition that relay function sublayer is former rlc layer,
After the physical layer of relaying UE receives the UE data packet of access UE, it is communicated up data packet, it is made successively to pass through trunk side agreement
PHY, the MAC protocol layer of stack carry out decapsulation processing, and are passed to rlc layer, execute required relaying lattice to it in rlc layer
Formula encapsulation.
Correspondingly, if relay function sublayer is the function addition of former rlc layer, in rlc layer to number to be forwarded or to be sent
After executing relay format encapsulation, format envelope is continued to relaying encapsulated result only in accordance with MAC protocol, the PHY agreement of the side UE
Dress.
In realization when the forwarding or transmission of row data, relaying UE is finally according to each layer association in its UE functioning side protocol stack
View carries out format encapsulation to upstream data, obtains the data packet of the first mesh.The format character of the data packet of first mesh, such as via UE
Entrained each layer header packet information (the i.e. described fisrt feature data), can characterize after the format encapsulation process of each layer protocol of functioning side
Sender's identity of the data packet of first mesh is UE.
S104: the data packet of first mesh is sent to mobile communications network node.
Finally, the data packet of first mesh can be sent directly to base station eNB by the physical layer for relaying UE, or pass through multi-hop
The data packet of first mesh is transmitted to base station by relaying.That is, the mobile communications network node may be base station, it is also possible to be
Next-hop relaying based on the application method.
The trunking plan of the application is suitable for TSC (TerminalSmallCell, terminal micro-base station) communication scenes and D2D
(Device-to-Device, terminal is to terminal) direct-connected communication scenes, the scheme based on the application, UE can provide terminal function
While, data relay function is provided as the relay node in above two communication scenes.
As it can be seen from the above scheme the method for the present invention receives the UE data packet to be forwarded from user equipment, and by institute
UE data packet is stated to be decapsulated accordingly and encapsulation process, obtain include the first mesh of fisrt feature data data packet, institute
The sender's identity for stating the data packet of the first mesh described in fisrt feature data characterization is UE；Later, by the data of first mesh
It is sent to mobile communications network node.Interim data, the present invention are sent with the role of HeNB as it can be seen that being different from existing trunking plan
Method sends received UE data packet processing to be forwarded for that can characterize the purpose data packet that sender's identity is UE, i.e.,
The method of the present invention sends interim data with UE role, so that the relaying UE using the method for the present invention can directly transmit interim data
To mobile communications network node (such as base station), without reducing relaying time delay, improving relay transmission by external network
Reliability.
Embodiment two
The present embodiment discloses a kind of data relay transmission method, is applied to the first user equipment, is different from embodiment one
Upstream data (i.e. UE transmits data to base station) relay function of data relay transmission method, the method for the present embodiment two realize
Downlink data (transmitting data to UE in base station) relay function, with reference to Fig. 8, the method may include following steps:
S801: the node data packet from mobile communications network node is received, the node data packet includes second feature
Data, recipient's identity that the second feature data are used to characterize the node data packet is UE.
Wherein, the second feature data are identical as the fisrt feature data, i.e. the node data packet from base station eNB
Each layer packet header carried is corresponding with the relaying side the UE protocol stack of UE, can be realized and unseal by the protocal layers of the side UE protocol stack
Dress.
S802: carrying out preset second decapsulation to the node data packet and handle, obtain the second raw data packets, described
Second raw data packets include purpose UE mark.
S803: second raw data packets are encapsulated as to the data packet of the second mesh of preset format.
S804: the data packet of second mesh is sent to the corresponding purpose UE of its internal purpose UE mark.
In the present embodiment, the mobile communications network node is in base station eNB, or the next-hop based on the application method
After.
Relaying UE is the inverse process relayed to upstream data to the relaying of downlink data, if the node data packet includes K
It a sub- data packet and is identified with the one-to-one K purpose UE of the sub- data packet of the K, K is the natural number greater than 1, then:
After the UE functioning side physical layer of relaying UE receives the node data packet of base station, successively via the PHY of UE functioning side,
MAC, rlc layer decapsulate node data packet, and split the node data packet after decapsulation in relay function sublayer
For K the second raw data packets, each second raw data packets include a sub- data packet and the corresponding mesh of the subdata packet
UE mark finally realize the K sub- data packet one-to-one mappings that will include in node data packet to K raw data packets.
If the corresponding relaying UE of purpose UE mark of subdata packet, relay function sublayer can be directly upward by the subdata packet
It is transmitted to the application layer of relaying UE；If the corresponding access UE of purpose UE mark of subdata packet, relay function sublayer is by the subnumber
Format encapsulation is carried out according to RLC, MAC, PHY protocol layer that packet is passed down to relay function side protocol stack, is sent it to later
Purpose UE identifies corresponding UE, realizes the relaying of downlink data.
In other embodiments of the present invention, if in node data packet only including a sub- data packet and a purpose UE mark
Know, then relays the relay function sublayer of UE without holding to the node data packet (after decapsulation) that the rlc layer of UE functioning side is submitted
Row data packet is split, and directly as the second raw data packets.
Embodiment three
The present embodiment three discloses a kind of data relay transmitting device, is applied to the first user equipment, the dress of the present embodiment
Set it is corresponding with the method for embodiment one, with reference to Fig. 9, the device include the first receiving module 100, the first decapsulation module 200,
First package module 300 and the first sending module 400.
First receiving module 100, for receiving the UE data packet from user equipment (UE).
First decapsulation module 200 handles for carrying out preset first decapsulation to the UE data packet, obtains first
Raw data packets.
First package module 300, the data of the first mesh for first raw data packets to be encapsulated as to preset format
Packet, the data packet of first mesh includes fisrt feature data, the data packet of the first mesh described in the fisrt feature data characterization
Sender's identity be UE.
In the present embodiment, if the UE is first user equipment, first decapsulation module is the first processing
Unit, for using the UE data packet received from first user equipment as first raw data packets.If the UE is
Other UE except first user equipment, then first decapsulation module be the first decapsulation unit, for successively according to
According to physical layer PHY agreement, media access control layer MAC protocol, wireless chain control layer rlc protocol to from other UE's
UE data packet executes decapsulation, obtains first raw data packets.
On this basis, if the number of the user equipment (UE) is N number of, the UE data packet, the first raw data packets
Number is respectively M, and M, N are the natural number greater than 1；And the UE be first user equipment except other UE when, institute
Stating first processing module is the first decapsulation unit, then first package module includes the first polymerized unit, the first encapsulation list
Member and the second encapsulation unit.
First polymerized unit, for according to preset polymeric rule, the M the first raw data packets to be polymerized to P
First intermediate data packet, P are the natural number not less than 1；
First encapsulation unit obtains P for carrying out preset relay format encapsulation to each first intermediate data packet
A second intermediate data packet；The second intermediate data packet includes trunk protocol head, and the trunk protocol head includes S UE mark
Know, the S UE mark is respectively the source UE mark for S the first raw data packets for constituting the first intermediate data packet, S
For the natural number not less than 1, and S≤M；
Second encapsulation unit, for successively according to rlc protocol, MAC protocol, PHY agreement to each second mediant
Format encapsulation is carried out according to packet, obtains the data packet of P the first mesh.
If the UE data packet, the number of the first raw data packets are respectively one, first package module includes
Third encapsulation unit and the 4th encapsulation unit.
Third encapsulation unit obtains third for carrying out preset relay format encapsulation to first raw data packets
Intermediate data packet；The third intermediate data packet includes trunk protocol head, and the trunk protocol head is identified including a UE, the UE
It is identified as the source UE mark of first raw data packets；
4th encapsulation unit, for successively according to rlc protocol, MAC protocol, PHY agreement to the third intermediate data packet
Format encapsulation is carried out, the data packet of the first mesh is obtained.
In other embodiments of the present invention, the UE be first user equipment except other UE when, described first
Decapsulation module can also be the second decapsulation unit, for successively holding according to PHY agreement, MAC protocol to the UE data packet
Row decapsulation, obtains the first raw data packets.
Correspondingly, when the UE data packet, the number of the first raw data packets are respectively M (M is the natural number greater than 1)
When, first package module includes the second polymerized unit, the 5th encapsulation unit and the 6th encapsulation unit.
Second polymerized unit is used in rlc protocol layer according to preset polymeric rule, by the M the first initial data
Packet aggregation is P the 4th intermediate data packets, and P is the natural number not less than 1, and P≤M；
5th encapsulation unit, for carrying out preset relaying lattice to each 4th intermediate data packet in rlc protocol layer
Formula encapsulation obtains P the 5th intermediate data packets；The 5th intermediate data packet includes trunk protocol head, the trunk protocol head
It is identified including S UE, the S UE mark is respectively to constitute S the first raw data packets of the first intermediate data packet
Source UE mark, S are natural number not less than 1, and S≤M；
6th encapsulation unit, for successively being carried out according to MAC protocol, PHY agreement to each 5th intermediate data packet
Format encapsulation, obtains the data packet of P the first mesh.
When the UE data packet, the number of the first raw data packets are respectively one, first package module includes
7th encapsulation unit and the 8th encapsulation unit.
7th encapsulation unit, for carrying out preset relay format envelope to first raw data packets in rlc protocol layer
Dress, obtains the 6th intermediate data packet；The 6th intermediate data packet includes trunk protocol head, and the trunk protocol head includes a UE
Mark, the UE are identified as the source UE mark of first raw data packets；
8th encapsulation unit, for successively carrying out format to the 6th intermediate data packet according to MAC protocol, PHY agreement
Encapsulation, obtains the data packet of the first mesh.
For the data relay transmitting device disclosed in the embodiment of the present invention three, as it and number disclosed in embodiment one
Corresponding according to transfer transmission method, so being described relatively simple, related similarity refers to data relay in embodiment one
The explanation of transmission method part, and will not be described here in detail.
Example IV
The present embodiment four discloses a kind of data relay transmitting device, is applied to the first user equipment, is different from embodiment
The upstream data relay function of data relay transmitting device in three, the device of the present embodiment four realize downlink data relaying function
Can, with reference to Figure 10, described device includes the second receiving module 500, the second decapsulation module 600, the second package module 700 and the
Two sending modules 800.
Second receiving module 500, for receiving the node data packet from mobile communications network node, the node data
Packet includes second feature data, and the recipient that the second feature data are used to characterize the node data packet is UE.
Second decapsulation module 600 is handled for carrying out preset second decapsulation to the node data packet, obtains the
Two raw data packets, second raw data packets include purpose UE mark.
If the node data packet include K sub- data packets and with the K sub- one-to-one K purpose UE of data packet
Mark, K are the natural number greater than 1, then second decapsulation module includes third decapsulation unit and split cells.
Third decapsulation unit, for successively being held according to PHY agreement, MAC protocol, rlc protocol to the node data packet
Row decapsulation；
Split cells, for the node data packet after decapsulation to be split as K the second raw data packets, each described the
Two raw data packets include a sub- data packet and the corresponding purpose UE mark of the subdata packet.
If node data packet includes that a sub- data packet and purpose UE corresponding with the subdata packet are identified, described the
Two decapsulation modules include the 4th decapsulation unit, and the unit is for successively according to PHY agreement, MAC protocol, rlc protocol to institute
It states node data packet and executes decapsulation, obtain the second raw data packets, second raw data packets include the subdata packet
And the corresponding purpose UE mark of the subdata packet.
Second package module 700, the data of the second mesh for second raw data packets to be encapsulated as to preset format
Packet.
If purpose UE in second raw data packets identifies corresponding UE are as follows: its except first user equipment
He is UE；Then second package module is the 9th encapsulation unit, and the unit is for successively according to rlc protocol, MAC protocol, PHY association
View carries out format encapsulation to second raw data packets, obtains the data packet of the second mesh.
If the purpose UE in second raw data packets identifies corresponding UE are as follows: first user equipment；It is then described
Second package module is the second processing unit, which is used for using second raw data packets as the data packet of the second mesh.
Second sending module 800, for the data packet of second mesh to be sent to corresponding to the purpose UE mark
Purpose UE.
For the data relay transmitting device disclosed in the embodiment of the present invention four, as it and number disclosed in embodiment two
Corresponding according to transfer transmission method, so being described relatively simple, related similarity refers to data relay in embodiment two
The explanation of transmission method part, and will not be described here in detail.
Embodiment five
The present embodiment five discloses a kind of UE for having relay function, transmits dress including the data relay as described in embodiment three
It sets, and/or the data relay transmitting device as described in example IV.
By in the upstream data relay function and/or example IV of data relay transmitting device in Integration Data Model example three
The downlink data relay function of data relay transmitting device, the relaying UE of the present embodiment can realize the number between access UE and base station
Data relay effect is provided according to interaction, improves covering and the capacity of network.
It is led in conclusion being different from existing trunking plan because of all accord structure of UE and HeNB simply integrated in UE
This higher feature of cost of implementation is caused, the present invention between the PDCP layer and rlc layer of UE existing protocol stack by increasing a relaying function
Energy sublayer, and relay function side is made to share the protocol stack conventional (RLC, MAC, PHY) of UE functioning side, it realizes and assists UE functioning side
View stack and relay function side protocol stack merge, and reduce redundancy, reduce costs；Meanwhile using in the present invention program
After UE during carrying out data relaying, the conversion between different role can be realized, by relay function sublayer with base station angle
Color and UE carry out data interaction, are interacted with UE role and base station, without external networks such as internets, reduce relaying
Time delay improves the reliability of relay transmission.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For convenience of description, it describes to be divided into various modules when system above with function or unit describes respectively.Certainly, exist
Implement to realize the function of each unit in the same or multiple software and or hardware when the application.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
It realizes by means of software and necessary general hardware platform.Based on this understanding, the technical solution essence of the application
On in other words the part that contributes to existing technology can be embodied in the form of software products, the computer software product
It can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes the certain of each embodiment of the application or embodiment
Method described in part.
Finally, it is to be noted that, herein, such as first, second, third and fourth or the like relational terms
It is only used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying these
There are any actual relationship or orders between entity or operation.Moreover, the terms "include", "comprise" or its is any
Other variants are intended to non-exclusive inclusion, so that including the process, method, article or equipment of a series of elements
Include not only those elements, but also including other elements that are not explicitly listed, or further includes for this process, side
Method, article or the intrinsic element of equipment.In the absence of more restrictions, limited by sentence "including a ..."
Element, it is not excluded that there is also other identical elements in the process, method, article or apparatus that includes the element.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (15)
1. a kind of data relay transmission method, which is characterized in that be applied to the first user equipment, which comprises
Receive the UE data packet from user equipment (UE)；
Preset first decapsulation processing is carried out to the UE data packet, obtains the first raw data packets；
First raw data packets are encapsulated as to the data packet of the first mesh of preset format, the data packet of first mesh includes
Fisrt feature data, sender's identity of the data packet of the first mesh described in the fisrt feature data characterization are UE；
The data packet of first mesh is sent to mobile communications network node；
The UE data packet, the number of the first raw data packets are respectively M, and M is the natural number greater than 1；Then by described first
The data packet that raw data packets are encapsulated as the first mesh of preset format includes:
According to preset polymeric rule, the M the first raw data packets are polymerized to P the first intermediate data packets, P is not small
In 1 natural number, and P≤M；
Preset relay format encapsulation is carried out to each first intermediate data packet, obtains P the second intermediate data packets；It is described
Second intermediate data packet includes trunk protocol head, and the trunk protocol head includes S UE mark, and the S UE mark is respectively
Constitute the source UE mark of S the first raw data packets of the first intermediate data packet, S is the natural number not less than 1, and S
≤M；
Format encapsulation successively is carried out to each second intermediate data packet according to rlc protocol, MAC protocol, PHY agreement, obtains P
The data packet of a first mesh.
2. the method according to claim 1, wherein the UE is first user equipment；Then to the UE
Data packet carries out preset first decapsulation processing, obtains the first raw data packets, comprising:
Using the UE data packet received from first user equipment as first raw data packets.
3. the method according to claim 1, wherein the UE is other except first user equipment
UE then carries out preset first decapsulation to the UE data packet and handles, obtains the first raw data packets, comprising:
Successively according to physical layer PHY agreement, media access control layer MAC protocol, wireless chain control layer rlc protocol to the UE
Data packet executes decapsulation, obtains the first raw data packets.
4. according to the method in claim 2 or 3, which is characterized in that the UE data packet, the number of the first raw data packets
Respectively one, then first raw data packets are encapsulated as to the data packet of the first mesh of preset format, comprising:
Preset relay format encapsulation is carried out to first raw data packets, obtains third intermediate data packet；In the third
Between data packet include trunk protocol head, the trunk protocol head includes UE mark, and the UE is identified as first original number
It is identified according to the source UE of packet；
Format encapsulation successively is carried out to the third intermediate data packet according to rlc protocol, MAC protocol, PHY agreement, obtains first
Purpose data packet.
5. the method according to claim 1, wherein the UE is other except first user equipment
UE then carries out preset first decapsulation to the UE data packet and handles, obtains the first raw data packets, comprising:
Decapsulation successively is executed to the UE data packet according to PHY agreement, MAC protocol, obtains the first raw data packets.
6. method according to claim 2 or 5, which is characterized in that the UE data packet, the number of the first raw data packets
Respectively M, M is the natural number greater than 1；First raw data packets are then encapsulated as to the data of the first mesh of preset format
Packet includes:
In rlc protocol layer according to preset polymeric rule, the M the first raw data packets are polymerized to P the 4th mediants
According to packet, P is the natural number not less than 1, and P≤M；
Preset relay format encapsulation is carried out to each 4th intermediate data packet in rlc protocol layer, is obtained among P the 5th
Data packet；The 5th intermediate data packet includes trunk protocol head, and the trunk protocol head includes S UE mark, the S UE
Mark is respectively the source UE mark for S the first raw data packets for constituting the 4th intermediate data packet, and S is the nature not less than 1
Number, and S≤M；
Format encapsulation successively is carried out to each 5th intermediate data packet according to MAC protocol, PHY agreement, obtains P the first mesh
Data packet.
7. method according to claim 2 or 5, which is characterized in that the UE data packet, the number of the first raw data packets
Respectively one, then the data packet that first raw data packets are encapsulated as to the first mesh of preset format includes:
Preset relay format encapsulation is carried out to first raw data packets in rlc protocol layer, obtains the 6th intermediate data packet；
The 6th intermediate data packet includes trunk protocol head, and the trunk protocol head is identified including a UE, and the UE is identified as described
The source UE of first raw data packets is identified；
Format encapsulation successively is carried out to the 6th intermediate data packet according to MAC protocol, PHY agreement, obtains the data of the first mesh
Packet.
8. a kind of data relay transmitting device, which is characterized in that be applied to the first user equipment, described device includes:
First receiving module, for receiving the UE data packet from user equipment (UE)；
First decapsulation module handles for carrying out preset first decapsulation to the UE data packet, obtains the first original number
According to packet；
First package module, the data packet of the first mesh for first raw data packets to be encapsulated as to preset format are described
The data packet of first mesh includes fisrt feature data, the sender of the data packet of the first mesh described in the fisrt feature data characterization
Identity is UE；
First sending module, for the data packet of first mesh to be sent to mobile communications network node；
The UE data packet, the number of the first raw data packets are respectively M, and M is the natural number greater than 1；Then first envelope
Die-filling piece includes:
First polymerized unit, for according to preset polymeric rule, the M the first raw data packets to be polymerized to P first
Intermediate data packet, P are natural number not less than 1, and P≤M；
First encapsulation unit obtains P for carrying out preset relay format encapsulation to each first intermediate data packet
Two intermediate data packets；The second intermediate data packet includes trunk protocol head, and the trunk protocol head includes S UE mark, institute
The source UE mark that S UE mark is respectively S the first raw data packets for constituting the first intermediate data packet is stated, S is not
Natural number less than 1, and S≤M；
Second encapsulation unit, for successively according to rlc protocol, MAC protocol, PHY agreement to each second intermediate data packet
Format encapsulation is carried out, the data packet of P the first mesh is obtained.
9. device according to claim 8, which is characterized in that the UE is first user equipment；Then described first
Decapsulation module includes:
First processing units, for using the UE data packet received from first user equipment as first initial data
Packet.
10. device according to claim 8, which is characterized in that the UE is other except first user equipment
UE, then first decapsulation module include:
First decapsulation unit, for successively according to PHY agreement, MAC protocol, rlc protocol to the UE number from other UE
Decapsulation is executed according to packet, obtains first raw data packets.
11. device according to claim 9 or 10, which is characterized in that of the UE data packet, the first raw data packets
Number is respectively one, then first package module includes:
Third encapsulation unit obtains among third for carrying out preset relay format encapsulation to first raw data packets
Data packet；The third intermediate data packet includes trunk protocol head, and the trunk protocol head is identified including a UE, the UE mark
It is identified for the source UE of first raw data packets；
4th encapsulation unit, for successively being carried out according to rlc protocol, MAC protocol, PHY agreement to the third intermediate data packet
Format encapsulation, obtains the data packet of the first mesh.
12. device according to claim 8, which is characterized in that the UE is other except first user equipment
UE, then first decapsulation module include:
Second decapsulation unit obtains for successively executing decapsulation to the UE data packet according to PHY agreement, MAC protocol
One raw data packets.
13. the device according to claim 9 or 12, which is characterized in that of the UE data packet, the first raw data packets
Number is respectively M, and M is the natural number greater than 1；Then first package module includes:
Second polymerized unit, for, according to preset polymeric rule, the M the first raw data packets being gathered in rlc protocol layer
It is combined into P the 4th intermediate data packets, P is the natural number not less than 1, and P≤M；
5th encapsulation unit, for carrying out preset relay format envelope to each 4th intermediate data packet in rlc protocol layer
Dress obtains P the 5th intermediate data packets；The 5th intermediate data packet includes trunk protocol head, and the trunk protocol head includes S
A UE mark, the S UE mark are respectively the source UE mark for S the first raw data packets for constituting the 4th intermediate data packet
Know, S is natural number not less than 1, and S≤M；
6th encapsulation unit, for successively carrying out format to each 5th intermediate data packet according to MAC protocol, PHY agreement
Encapsulation obtains the data packet of P the first mesh.
14. the device according to claim 9 or 12, which is characterized in that of the UE data packet, the first raw data packets
Number is respectively one, then first package module includes:
7th encapsulation unit is obtained for carrying out preset relay format encapsulation to first raw data packets in rlc protocol layer
To the 6th intermediate data packet；The 6th intermediate data packet includes trunk protocol head, and the trunk protocol head is identified including a UE,
The UE is identified as the source UE mark of first raw data packets；
8th encapsulation unit, for successively carrying out format encapsulation to the 6th intermediate data packet according to MAC protocol, PHY agreement,
Obtain the data packet of the first mesh.
15. a kind of UE for having relay function, which is characterized in that including in the data as described in claim 8-14 any one
Turn transmitting device.
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| CN201510217036.XA CN105657865B (en) | 2015-04-30 | 2015-04-30 | A kind of data relay transmission method, system and the UE for having relay function |
| PCT/CN2015/080409 WO2016173076A1 (en) | 2015-04-30 | 2015-05-29 | Data transfer method and system, and ue having relay function |
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| CN201510217036.XA CN105657865B (en) | 2015-04-30 | 2015-04-30 | A kind of data relay transmission method, system and the UE for having relay function |
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| CN106658380A (en) * | 2016-12-30 | 2017-05-10 | 宇龙计算机通信科技(深圳)有限公司 | Data multiplex method of device and device relay network and intelligent terminal |
| BR112019020398A2 (en) * | 2017-03-31 | 2020-04-22 | Huawei Tech Co Ltd | relay communication method and apparatus and relay communication system |
| CN108809897A (en) * | 2017-04-28 | 2018-11-13 | 中兴通讯股份有限公司 | A kind of relaying is found and relay transfer method, equipment and storage medium |
| KR102388350B1 (en) | 2017-07-31 | 2022-04-19 | 삼성전자주식회사 | Method and apparatus for detecting indication information, and methods and devices for relaying transmission |
| CN110087340B (en) * | 2018-01-25 | 2024-04-05 | 北京三星通信技术研究有限公司 | Relay transmission method and device |
| WO2019136933A1 (en) * | 2018-01-09 | 2019-07-18 | Oppo广东移动通信有限公司 | Relay transmission method and relay node |
| WO2019136606A1 (en) * | 2018-01-09 | 2019-07-18 | Oppo广东移动通信有限公司 | Relay transmission method and relay node |
| CN109526023B (en) * | 2019-01-02 | 2021-09-07 | 上海第二工业大学 | Data packet packaging and checking method |
| CN110650550B (en) * | 2019-09-24 | 2021-05-07 | 展讯通信（上海）有限公司 | Data transmission method, UE and computer readable storage medium |
| CN114762366B (en) * | 2019-11-29 | 2023-09-01 | 华为技术有限公司 | Downlink transmission method and communication device |
| CN113543367B (en) * | 2020-04-20 | 2024-04-02 | 大唐移动通信设备有限公司 | Information transmission method, device, equipment and computer readable storage medium |
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| CN101998679A (en) * | 2009-08-13 | 2011-03-30 | 华为技术有限公司 | Transmission bearing relaying method, device and communication system |
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| US20130016649A1 (en) * | 2011-07-12 | 2013-01-17 | Qualcomm Incorporated | System design for user equipment relays |
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| CN101998679A (en) * | 2009-08-13 | 2011-03-30 | 华为技术有限公司 | Transmission bearing relaying method, device and communication system |
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