CN101998549A - Method and system for configuring data carrying channel for user data by relay access system - Google Patents
Method and system for configuring data carrying channel for user data by relay access system Download PDFInfo
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Abstract
The invention discloses a method and a system for configuring a data carrying channel for user data by a relay access system, which can increase data transmission rate. The method comprises the following steps of: in an initial access process or a switching process of user equipment (UE), transmitting information whether the UE is accessed from a Relay or not to a core network; and after the core network receives descending IP (Internet Protocol) data, only grouping the IP data of the UE accessed from the Relay, wherein each group of IP data corresponds to one or a plurality of data carrying channels arranged between the Relay and a donor evolved node B (DeNB). By the invention, the core network can know that the UE is accessed from a base station or a relay (Relay); and when the descending data is processed, a data carrying channel with a Un interface can be quickly configured for the IP data accessed by the relay (Relay) of the UE to increase processing efficiency.
Description
Technical field
The present invention relates to the cellular radio communication field, be specifically related to be in a kind of relaying connecting system the method and system of user data configuration data bearer path.
Background technology
In cellular radio communication system, the wireless coverage of fixed base stations network causes in the covering of wireless network inevasible existence covering leak such as various building structure to reasons such as stopping of wireless signal owing to various reasons are restricted.In addition on the one hand in the border district of sub-district, because the weakening of wireless signal strength, and the interference of neighbor cell, cause UE when cell edge, communication quality is relatively poor, and the error rate of wireless transmission improves.In order to improve the coverage rate of data transfer rate, group's mobility, casual network is disposed, and the throughput in cell edge area and the covering of new region have been introduced a kind of wireless network node at enhancement mode LTE, are called relaying (relay), and system architecture is as shown in Figure 1.Wherein eNodeB is the fixed base stations that is connected to core net, and the relay node is connected to eNodeB by wave point, for the UE in the eNodeB coverage (UE2 in as figure) not provides access service.
Relay can pass through the several different methods relay data, send wireless signal such as directly amplifying the base station that receives, perhaps carry out corresponding processing after the Data Receiving that the base station is sent, the bag that correctly receives is transmitted to terminal again, perhaps base station and relaying cooperation send data to terminal, the data that opposite Relay also can relaying sends to the base station from terminal.
In numerous relaying types, there is a kind of relaying to be called as type one relaying (Type Irelay), its characteristics are as follows:
(1) be an independently sub-district to UE;
(2) there are parameters such as Physical Cell Identifier, synchronizing channel the Relay sub-district;
(3) scheduling of the wireless transmission between UE and the Relay is finished by Relay;
(4) UE of LTE can insert Relay;
(5) the Relay node can provide enhancement function for the UE of LTE-A.
Satisfy above function the Relay connecting system system architecture as shown in Figure 2.Wherein EPC is a core net, comprises MME (mobile management entity), Serving GW (gateway is called for short SGW) and PDN GW (grouped data network gateway is called for short PGW).The eNodeB that Relay connects is called DeNB (Donor eNodeB, the evolved Node B of carrier); The SGW/PGW of Relay correspondence is the gateway and the grouped data network gateway of Relay node correspondence during with UE identity access network; OMCServer is the network management server that management function is provided for the Relay node.The SGW/PGW of Relay correspondence and DeNB can be same on physical entities when specific implementation, and the back flow process is described the structure that just adopts the two physical entity unification.Interface inheritance eNodeB between Relay and the UE and the Uu interface function between UE, the interface definition between Relay node and DeNB is the Un interface.
The Un interface also is a wave point, and in order to reduce the change to equipment, the 3GPP meeting determines that to one of evaluation condition of Relay framework be the change that reduces existing equipment, so the carrying of Un interface bottom continues to use the Uu interface bearing, as shown in Figure 3.
Because the logic channel number of MAC (Medium Acces Control, medium access control) data head correspondence is limited, the data DRB of Un interface (radio bearer) number is 11 to the maximum at present.For the Uu interface, the radio bearer number of a UE foundation seldom can meet the demands fully; But for the Un interface, Relay need support a plurality of UE, if a DRB of all corresponding Un interface of the carrying of each UE, the DRB number of Un interface is much larger than 11.Therefore, if do not change the MAC agreement, must be distributed to the carrying of a plurality of UE on the DRB of Un interface according to certain rule.
Exist at present a kind of ways of distribution be according in the user data (IP data) the IP data head in a field each user data is distributed on the DRB of Un interface.Embodiment is:
(1) UE initiates to set up the grouped data connection and sets up process, sets up UE-Relay-DeNB-Serving GW-PDN GW Data-carrying passage, and UE and outer data network carry out IP data communications by the Data-carrying passage;
(2) PDN GW receives that external network sends to the IP data of UE, finds the packet data network connection and the bearer context of correspondence according to the QOS parameters such as (service quality) of IP address, IP layer;
Insert from the Relay node if this UE is current:
(3) a.PDN GW is provided with COS according to the QOS of described bearer context correspondence for the IP data, and the mapping relations of QOS and COS configure before pre-; And TOS (COS, the Type of service) field that COS is filled up to bearing bed IP data is also referred to as DS (Differentiated Services) field;
(4) a.PDN GW uses the Data-carrying passage that the IP data are sent to DeNB, DeNB according to the TOS field of IP data in other words the DS field find corresponding Un interface bearing and data sent to the Relay node by this carrying.The value of DS field may corresponding one or more Un interface bearing in other words for the TOS field.
Perhaps
(3) b.PDN GW uses the GTPU passage that user data is sent to gateway; Gateway is that grouped data is provided with COS according to the QOS of above-mentioned bearer context correspondence, and the mapping relations of QOS and COS configure before pre-; And TOS (COS, the Type of service) field that COS is filled up to bearing bed IP data is also referred to as DS (Differentiated Services) field.
(4) the b. gateway uses corresponding Data-carrying passage that user data is sent to DeNB, DeNB according to the TOS field of IP data in other words the DS field find corresponding Un interface bearing and data sent to the Relay node by this carrying.The value of DS field may corresponding one or more Un interface bearing in other words for the TOS field.
(5) the Relay node receives user data, sends to UE by the Uu interface bearing again.
Above-mentioned (3) a and (3) b, and the selection of (4) a and (4) b, be to select in the specific implementation grouped data network gateway or gateway to carry out the QOS mapping: the corresponding grouped data network gateway of (3) a and (4) a is carried out the QOS mapping, and (3) b and (4) b corresponding with service gateway are carried out the QOS mapping.
If UE does not insert from Relay, grouped data network gateway and gateway only need find packet data network to be connected with QOS and corresponding bearer context carries out data forwarding and get final product according to the IP address, do not need to carry out QOS and shine upon and fill in the TOS field.So in the execution said process before the 3rd step, PDN GW ((3) a) or gateway ((3) b) need to judge which UE is current and insert from the Relay node.Otherwise must all do the QOS mapping and find corresponding Data-carrying passage each IP packet, increase unnecessary processing, reduce the disposal ability of message transmission rate and network element according to COS.
Summary of the invention
The method and system that it is user data configuration data bearer path that the technical problem to be solved in the present invention provides a kind of relaying connecting system improve message transmission rate.
For solving the problems of the technologies described above, the invention provides and be the method for user data configuration data bearer path in a kind of relaying connecting system, described method comprises:
In the initial access process or handoff procedure of subscriber equipment (UE), the information whether described UE is inserted from relaying (Relay) passes to core net;
Core net is only divided into groups to the IP data of the UE that inserts from Relay after receiving descending IP data, one or more Data-carrying passage between every group of corresponding Relay of IP data and the evolved Node B of carrier (DeNB).
Further, in the initial access process or handoff procedure of UE, the information whether UE inserts from Relay is passed to mobile management entity (MME), be transmitted to gateway (SGW) or grouped data network gateway (PGW) by MME by UE or Access Network.
Further, UE or Access Network one of in the following manner pass to core net with the information whether UE inserts from Relay:
(1) in initial access process, UE sends to core net with the sign whether it inserts from Relay by non-access layer information;
(2) Relay or DeNB send to core net with the sign whether UE inserts from relaying by the S1 interface message; Perhaps
(3) Relay carries the sub-district overall identification in message, and core net judges by the sub-district overall identification whether UE inserts from relaying; Perhaps
(4) Relay carries the IP address of GTPU passage wireless access network side in message, and core net judges according to described IP address whether UE inserts from relaying.
Further, in mode (1), UE is added on the sign whether it inserts from Relay protocol configuration option (PCO) parameter, sends to core net by non-access layer information.
Further, in mode (1), UE knows directly by reading system broadcasting whether oneself inserts from Relay, or connects by the RRC that Relay sends and to set up message and know whether oneself inserts from Relay.
Further, in mode (2), described S1 interface message is initial UE message or packet switching request message or handoff notification message.
Further, in mode (3), described message is initial UE message or packet switching request message.
Further, in mode (3), described core net judges that by the sub-district overall identification step whether UE inserts from relaying further comprises: described core net is judged the Relay overall identification that whether comprises Relay the overall identification of described sub-district, if, think that then this UE inserts from Relay, otherwise think that UE inserts from ordinary base station; Perhaps described core net judges that whether described sub-district overall identification is from the sub-district overall identification of Relay one of the expression UE that delimit in advance, if think that then this UE inserts from Relay, otherwise think that this UE inserts from ordinary base station.
Further, in mode (4), described message is initial context response message or packet switching request message.
Further, in mode (4), described core net judges that according to described IP address whether UE further comprises from the step that relaying inserts: described core net judges that whether described IP address is from the IP address of Relay access one of the expression UE that delimit in advance, if, think that then this UE inserts from Relay, otherwise think that UE inserts from ordinary base station.
For solving the problems of the technologies described above, the present invention also provides a kind of relaying connecting system of user data configuration data bearer path that is, comprises subscriber equipment (UE), relaying (Relay), mobile management entity (MME) and gateway, wherein:
Described MME is used to receive the information whether UE inserts from relaying (Relay), inserts from Relay if judge described UE, then judged result is sent to gateway;
Described gateway is used for after receiving descending IP data, only the IP data of the UE that inserts from Relay is divided into groups one or more Data-carrying passage between every group of corresponding Relay of IP data and the DeNB.
For solving the problems of the technologies described above, the present invention also provides a kind of relaying connecting system of user data configuration data bearer path that is, comprises subscriber equipment (UE), relaying (Relay), mobile management entity (MME) and gateway, wherein:
Described MME is used to receive the information whether UE inserts from relaying (Relay), and described information is sent to gateway;
Described gateway is used for judging that according to above-mentioned information whether UE inserts from Relay, after receiving descending IP data, only the IP data of the UE that inserts from Relay is divided into groups one or more Data-carrying passage between every group of corresponding Relay of IP data and the DeNB.
By the present invention, core net can know that UE inserts from the base station or from Relay, when handling downlink data, can be the Data-carrying passage of the IP data configuration Un interface of the UE by the Relay access fast, has improved treatment effeciency.
Description of drawings
Fig. 1 is a Relay application scenarios schematic diagram;
Fig. 2 is the Organization Chart of Class1 Relay;
Fig. 3 is a Un protocol stack of the interface schematic diagram;
Fig. 4 sets up the process schematic diagram for UE initiates the PDN connection;
Fig. 5 is a UE handoff procedure schematic diagram.
Embodiment
Inventive concept of the present invention is: in the initial access process or handoff procedure of UE, the information whether UE is inserted from relaying (Relay) passes to core net; Core net is only divided into groups one or more Data-carrying passage of every group of corresponding Un interfaces of IP data (interface between Relay and the DeNB) to the IP data of the UE that inserts from Relay after receiving descending IP data.
Preferably, packet mode can adopt the mode of the mapping of QOS and COS, certainly except that the method, can also adopt other group technologies, as long as can realize transmission and the reception of user data on several limited Un interface data bearer path.
During many Data-carrying passages of one group of IP data correspondence, for example, 4 groups of corresponding 8 Data-carrying passages of IP data, when sending, every group of IP data map is on two Data-carrying passages.Concrete packet mode and mapping mode be not within discussion scope of the present invention.
Further, in the initial access process or handoff procedure of UE, the information whether UE inserts from Relay is passed to core net by UE or Access Network.
UE or Access Network can pass to core net with the information whether UE inserts from Relay by the mode of demonstration or implicit expression.Particularly, the information that one of in the following manner whether UE is inserted from Relay passes to core net:
In initial access process, UE sends to core net (send to MME, be transmitted to gateway or PDN GW by MME) with the sign whether it inserts from Relay by non-access layer information; Preferably, UE can increase its identification field that whether inserts from Relay of expression in non-access layer information, perhaps utilizes existing parameter to carry this sign, as the PCO parameter.Further, UE can know directly whether oneself inserts from Relay by reading system broadcasting, or knows by RRC connection foundation (RRCConnectionSetup) message that Relay sends whether oneself inserts from Relay.
In initial access or handoff procedure, Relay or DeNB pass to core net with the information whether UE inserts from relaying.
The step that whether above-mentioned Relay or DeNB insert UE from relaying information passes to core net is further one of in the following ways:
Relay or DeNB send to core net with the sign whether UE inserts from relaying by S 1 interface message (as initial UE message or packet switching request message or handoff notification message);
Relay (as initial UE message or packet switching request message) in message carries the sub-district overall identification, and core net judges by the sub-district overall identification whether UE inserts from relaying;
Relay (as initial context response information or packet switching request message) in message carries the IP address of GTPU passage wireless access network side, and core net judges by this IP address whether UE inserts from relaying.
UE or Relay directly send UE whether from the label manner that relaying inserts to core net, and described sign represents that UE inserts and/or UE does not insert from Relay from Relay.
The following examples are that example describes with the packet mode that adopts the mapping of QOS and COS all.
Embodiment 1
In the prior art, in order to consult application layer parameter between UE and grouped data network gateway, 3GPP has defined PCO (Protocol configuration options, protocol configuration option) parameter, this parameter can be that UE fills in and sends to core net by non-access layer information, also can send to UE by core net.The configurable protocol type of PCO comprises the network communication protocol of some standards, also can be the special parameter that mobile communication business is used that is specifically designed to of 3GPP definition.Not necessarily corresponding certain agreement of above-mentioned special parameter, and may just between UE and network, send particular request and configuration parameter, may comprise P-CSCF Address Request (proxy call conversation control function entity Address requests) and DNS Server Address Request requests such as (domain name server address requests) such as UE to the PCO that network sends, network may comprise configuration parameters such as P-CSCF Address and DNS Server Address to the PCO that UE sends.
According to PCO definition, can consider that UE is included in the current whether indication information by the access of Relay node to send to PDN GW in the PCO parameter.Particularly, can the additional parameter tabulation of PCO parameter be increased to give a definition:
User-to-network direction: whether insert sign by the Relay node.
Present embodiment is in initial access process, after UE obtains its information that whether inserts from Relay, this information is filled in the PCO parameter, and the PDN that will comprise the PCO parameter connects and to set up request message and send to core net by Relay, core net knows by this PCO parameter whether described UE inserts from Relay, after receiving the downstream IP data that send to this UE, only the IP data of the UE that inserts from Relay are carried out the mapping of QOS and COS.The process that UE initiation PDN connection is set up comprises as shown in Figure 4:
Step 1:UE carries out cell selecting/gravity treatment, and is resident to the sub-district of choosing, and reads the system message of this sub-district then;
Step 2:UE asks preparation to initiate the PDN connection according to the user and sets up request: at first trigger the RRC connection and set up process, the PDN that carries Non-Access Stratum in the RRC connection setup complete message connects the foundation request;
PDN connects to set up and comprises bearing identification, request type, PDN type, APN (APN), PCO parameters such as () protocol configuration option in the request message.Wherein comprise " whether inserting sign " field in the PCO parameter by the Relay node.
During identification field in filling in PCO, can take one of following mode:
If UE inserts by Relay, then this field is changed to effectively, if not insert by Relay, it is invalid then this field to be changed to;
If UE inserts by Relay, then this field is changed to effectively, if not insert, then this field is changed to sky by Relay;
If UE inserts by Relay, then this field is changed to sky, if not insert, then this field is changed to effectively by Relay.
UE obtains the current method that whether inserts by the Relay node, and can be reading system broadcasting or Relay by RRC connect sets up process and obtain, particularly, Relay can set up message (RRC Connection Setup) notice UE by the RRC connection, but is not limited to said method.
Step 3:Relay sends MME initial UE (Initial UE) message by DeNB to MME, wherein comprises the PDN connection and sets up request message;
Step 4:MME initiates the authentication process to UE, continues follow-up flow process if allow UE to insert;
Step 5:MME initiates carrying to gateway and sets up request message, and gateway sends carrying to grouped data network gateway again and sets up request message;
For the simplification process merges this process, step 6 in like manner among the figure.
By this process, MME can send to gateway to the PCO parameter in the step 1, does the QOS mapping if be chosen in gateway, and gateway receives the PCO parameter that MME transmits, and resolves " whether inserting sign by the Relay node " of obtaining wherein to comprise.
By this step, gateway sends to grouped data network gateway to the PCO parameter in the step 1, do the QOS mapping if be chosen in grouped data network gateway, then grouped data network gateway receives the PCO parameter that gateway is transmitted, and resolves " whether inserting sign by the Relay node " of obtaining wherein to comprise.
Step 6: gateway/grouped data network gateway sends the MME carrying and sets up response message, wherein comprises bearer context information, is parameters such as UE IP address allocated, PCO;
Step 7:MME sends the initial context request message, initiates the carrying of carrying S1 interface, Un interface, Uu interface and sets up;
After step 8:S1 interface, Un interface, Uu interface bearing were set up process and finished, Relay replied the initial context response message to MME, wherein comprised to set up successful bearing identification and Relay side GTPU channel parameters;
Step 9:MME sends the bearer update request to gateway, and gateway upgrades replys the bearer update response to MME after PDN connects context and/or bearer context (actual update content is relevant with specific implementation);
The PDN connection is set up process and is finished.
Step 10:PDN GW receives the downlink data that external network sends to UE, specifically handles as follows:
If PDN GW does QOS mapping, and the information that PDN GW reports when initially inserting according to this object UE learns that this UE inserts from the Relay node, then carries out following operation:
(1) PDN GW connects and bearer context according to the PDN that the QOS of IP address, IP data I P layer etc. obtains the object UE correspondence;
(2) PDN GW is provided with COS according to the QOS of above-mentioned bearer context correspondence for these IP data, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP packet;
Described IP data are divided into one or more data packet transmission.
(3) PDN GW sends to UE to amended IP data distribution by the Data-carrying of setting up.
If gateway is done the QOS mapping, then PDN GW sends to gateway by the corresponding GTPU data channel of PDN connection after receiving the IP data, after gateway receives data, the information that reports when initially inserting according to this object UE learns that this UE when the Relay node inserts, carries out following processing:
(1) gateway is received the GTPU data from the GTPU data channel, reads the bearer context of this GTPU data channel correspondence;
(2) gateway is that grouped data is provided with COS according to the QOS of above-mentioned bearer context correspondence, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) gateway sends to UE to amended IP data distribution by the Data-carrying of setting up.
Embodiment 2
Present embodiment is in initial access process, by Access Network (Relay or DeNB) whether UE " is inserted sign by the Relay node " and send to core net, core net knows by this sign whether described UE inserts from Relay, after receiving the downstream IP data that send to this UE, only the IP data of the UE that inserts from Relay are carried out the mapping of QOS and COS.Be designated example with the Relay interpolation below and describe,, may further comprise the steps referring to Fig. 4:
Step 1:UE carries out cell selecting/gravity treatment, and is resident to the sub-district of choosing, and reads the system message of this sub-district then;
Step 2:UE asks preparation to initiate the PDN connection according to the user and sets up request: at first trigger the RRC connection and set up process, the PDN that carries Non-Access Stratum in the RRC connection setup complete message connects the foundation request;
Step 3:Relay receives the RRC connection setup complete message, make up initial UE message, wherein comprise connection identifier, tracking area identification, non-access layer information, also comprise " whether inserting sign by the Relay node " in addition, Relay sends to MME to initial UE message by DeNB;
If Relay does not comprise the S1AP protocol stack, then DeNB makes up initial UE message.Wherein comprise connection identifier, tracking area identification, non-access layer information, also comprise " whether inserting sign " in addition by the Relay node.
Step 4:MME receives initial UE message, preserves some call parameters wherein; MME initiates the authentication process to UE as required, continues follow-up flow process if allow UE to insert;
Step 5:MME initiates carrying to gateway and sets up request message, and gateway sends carrying to grouped data network gateway again and sets up request message;
For the simplification process merges this process, step 6 in like manner among the figure.
By this process, MME is included in " whether inserting sign by the Relay node " in GTP-C (GPRS Tunnel Protocol chain of command) message sends to gateway or grouped data network gateway.
Above-mentioned GTP-C message is meant MME and gateway, and the interface protocol of gateway and grouped data network gateway can be that request message is set up in carrying specific to present embodiment.
Step 6: gateway or grouped data network gateway receive carrying and set up request message, parameter and " whether inserting sign by the Relay node " are set up in the carrying of obtaining wherein, and this sign is kept in the PDN connection context of UE, return carrying and set up response message;
The implication of above-mentioned gateway or grouped data network gateway is, the PDN whether " by Relay node insert sign " may be kept at gateway or grouped data network gateway connects in the context, and still be grouped data network gateway be QOS to the IP packet shines upon and decide according to gateway.
Step 7:MME sends the initial context request message, initiates the carrying of carrying S1 interface, Un interface, Uu interface and sets up;
After step 8:S1 interface, Un interface, Uu interface bearing were set up process and finished, Relay replied the initial context response message to MME, wherein comprised to set up successful bearing identification and Relay side GTPU channel parameters;
Step 9:MME sends the bearer update request to gateway, and gateway upgrades replys the bearer update response to MME after PDN connects context;
The PDN connection is set up process and is finished.
Step 10:PDN GW receives the downlink data that external network sends to UE, specifically handles as follows:
If PDN GW does QOS mapping, and the information that PDN GW reports when initially inserting according to this object UE learns that this UE inserts from the Relay node, then carries out following operation:
(1) PDN GW connects and bearer context according to the PDN that the QOS of IP address, IP data I P layer etc. obtains the object UE correspondence;
(2) PDN GW is provided with COS according to the QOS of above-mentioned bearer context correspondence for these IP data, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) PDN GW sends to UE to amended IP data distribution by the Data-carrying of setting up.
If gateway is done the QOS mapping, then PDN GW sends to gateway by the corresponding GTPU data channel of PDN connection after receiving the IP data, after gateway receives data, the information that reports when initially inserting according to this object UE learns that this UE when the Relay node inserts, carries out following processing:
(1) gateway is received the GTPU data from the GTPU data channel, reads the bearer context of this GTPU data channel correspondence;
(2) gateway is that grouped data is provided with COS according to the QOS of above-mentioned bearer context correspondence, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) gateway sends to UE to amended IP data distribution by the Data-carrying of setting up.
Whether UE or Relay or DeNB can not need display notification core net UE to insert from Relay, but the notice core net of the implication implicit expression by some parameter of making an appointment, for example core net according to sub-district overall identification (ECGI) judge UE from the base station or Relay insert, similarly, core net also can basis and wireless access network between the peer IP address of GTPU data channel judge UE from the base station or Relay insert.
Embodiment 3
Present embodiment is in initial access process, by Access Network (Relay or DeNB) is that UE distributes ECGI when UE powers on, the expression that this ECGI is implicit UE whether insert by Relay, after Access Network sends to core net with this ECGI, whether core net is judged UE by this ECGI and is inserted from Relay, after receiving the downstream IP data that send to this UE, only the IP data of the UE that inserts from Relay are carried out the mapping of QOS and COS.May further comprise the steps, can be with reference to figure 4 after the step 1:
Step 0:Relay is linked into network by registration process, is established to the Data-carrying of network and obtains an IP address;
Relay communicates by letter with network management server by the Data-carrying of setting up in the registration process, obtains configuration parameter (wireless parameter, CN relevant parameter, radio frequency parameter etc.).Wherein comprise the sub-district overall identification in the wireless parameter, this sign is taken from the special sub-district overall identification scope for the Relay division.
Relay sends S1 to MME and sets up request message, wherein comprises parameters such as Relay overall identification, tracking area identification;
Ordinary base station eNodeB also needs to send S1 to MME and sets up request message, wherein comprises parameters such as eNodeB node identification, tracking area identification.
Step 1:UE carries out cell selecting/gravity treatment, and is resident to the sub-district of choosing, and reads the system message of this sub-district then;
Step 2:UE asks preparation to initiate the PDN connection according to the user and sets up request: at first trigger the RRC connection and set up process, the PDN that carries Non-Access Stratum in the RRC connection setup complete message connects the foundation request;
Step 3:Relay receives the RRC connection setup complete message, makes up initial UE message, wherein comprises connection identifier, tracking area identification, sub-district overall identification, non-access layer information;
Relay sends to MME to initial UE message by DeNB.
If Relay does not comprise the S1AP protocol stack, then DeNB makes up initial UE message.Wherein comprise connection identifier, tracking area identification, sub-district overall identification, non-access layer information.
Step 4:MME receives initial UE message, preserves some call parameters wherein; MME initiates the authentication process to UE as required, continues follow-up flow process if allow UE to insert;
The sub-district that MME judges the UE access according to the sub-district overall identification in the initial UE message is thereby that the Relay administration learns that UE inserts from Relay.
Concrete determination methods can be:
Method 1: judge the Relay overall identification that whether comprises Relay in this sub-district overall identification, if think that then this UE inserts from Relay, otherwise think that UE inserts from ordinary base station.
Method 2: judge that whether this sub-district overall identification is in that part of sub-district overall identification of delimiting in advance, if think that then this UE inserts from Relay, otherwise think that this UE inserts from ordinary base station.
Step 5:MME initiates carrying to gateway and sets up request message, and gateway sends carrying to grouped data network gateway again and sets up request message;
For the simplification process merges this process, step 6 in like manner among the figure.
By this process, MME is included in " whether inserting sign by the Relay node " in the GTP-C message sends to grouped data network gateway.
Above-mentioned " whether inserting sign by the Relay node " judged according to step 4 draws.
Above-mentioned GTP-C message is meant MME and gateway, and the interface protocol of gateway and grouped data network gateway can be that request message is set up in carrying specific to present embodiment.
Step 6: grouped data network gateway receives carrying and sets up request message, and parameter and " whether inserting sign by the Relay node " are set up in the carrying of obtaining wherein, and this sign is kept in the PDN connection context of UE; Send carrying to gateway then and set up response message, gateway receives and handles sets up response message to MME transmission carrying after response message is set up in this carrying;
Step 7:MME sends the initial context request message, initiates the carrying of carrying S1 interface, Un interface, Uu interface and sets up;
After step 8:S1 interface, Un interface, Uu interface bearing were set up process and finished, Relay replied the initial context response message to MME, wherein comprised to set up successful bearing identification and Relay side GTPU channel parameters;
Step 9:MME sends the bearer update request to gateway, and gateway upgrades replys the bearer update response to MME after PDN connects context;
The PDN connection is set up process and is finished.
Step 10:PDN GW receives the downlink data that external network sends to UE, specifically handles as follows:
If PDN GW does QOS mapping, and the information that PDN GW reports when initially inserting according to this object UE learns that this UE inserts from the Relay node, then carries out following operation:
(1) PDN GW connects and bearer context according to the PDN that the QOS of IP address, IP data I P layer etc. obtains the object UE correspondence;
(2) PDN GW is provided with COS according to the QOS of above-mentioned bearer context correspondence for these IP data, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) PDN GW sends to UE to amended IP data distribution by the Data-carrying of setting up.
If gateway is done the QOS mapping, then PDN GW sends to gateway by the corresponding GTPU data channel of PDN connection after receiving the IP data, after gateway receives data, the information that reports when initially inserting according to this object UE learns that this UE when the Relay node inserts, carries out following processing:
(1) gateway is received the GTPU data from the GTPU data channel, reads the bearer context of this GTPU data channel correspondence;
(2) gateway is that grouped data is provided with COS according to the QOS of above-mentioned bearer context correspondence, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) gateway sends to UE to amended IP data distribution by the Data-carrying of setting up.
Present embodiment is in initial access process, Relay power on (promptly being linked into network), when network side disposes the GTPU channel parameters for it, the IP address of distributing the wireless access network side of GTPU passage correspondence, the expression that this IP address is implicit UE whether insert by Relay, whether core net is judged UE by this GTPU channel parameters and is inserted from Relay, after receiving the downstream IP data that send to this UE, only the IP data of the UE that inserts from Relay is carried out the mapping of QOS and COS.May further comprise the steps (can with reference to figure 4):
Step 0:Relay is linked into network by registration process, is established to the Data-carrying of network and obtains an IP address, and the IP address that described Relay obtains is to take from the special IP address range for the Relay division;
Step 1:UE carries out cell selecting/gravity treatment, and is resident to the sub-district of choosing, and reads the system message of this sub-district then;
Step 2:UE asks preparation to initiate the PDN connection according to the user and sets up request: at first trigger the RRC connection and set up process, the PDN that carries Non-Access Stratum in the RRC connection setup complete message connects the foundation request;
Step 3:Relay receives the RRC connection setup complete message, makes up initial UE message, wherein comprises connection identifier, tracking area identification, sub-district overall identification, non-access layer information;
Relay sends to MME to initial UE message by DeNB.
If Relay does not comprise the S1AP protocol stack, then DeNB makes up initial UE message.Wherein comprise connection identifier, tracking area identification, sub-district overall identification, non-access layer information.
Step 4:MME receives initial UE message, preserves some call parameters wherein; MME initiates the authentication process to UE as required, continues follow-up flow process if allow UE to insert;
Step 5:MME initiates carrying to gateway and sets up request message, and gateway sends carrying to grouped data network gateway again and sets up request message;
For the simplification process merges this process, step 6 in like manner among the figure.
Step 6: grouped data network gateway is replied carrying to gateway and is set up response, and the service data gateway is replied carrying to MME and set up response;
For the simplification process said process is merged among the figure.
Step 7:MME sends the initial context request message, initiates the carrying of carrying S1 interface, Un interface, Uu interface and sets up;
After step 8:S1 interface, Un interface, Uu interface bearing were set up process and finished, Relay replied the initial context response message to MME, wherein comprised to set up successful bearing identification and wireless access network side GTPU channel parameters;
GTPU is carried on the IP, and the GTPU channel parameters comprises IP address and the TEID (Tunnel Identifier) that these passage two ends are corresponding respectively, and the wireless access network side refers to base station (eNodeB) or Relay node side.
The user's face IP address that above-mentioned wireless access network side GTPU channel parameters is Relay or base station and the TEID of Relay or base station assigns.For the Relay node, user's face IP address obtains from network side (PGW of correspondence when Relay inserts as UE) by the access procedure of Relay.
Step 9:MME sends the bearer update request to gateway, and comprising EPS bearing identification, wireless access network side GTPU channel parameters etc., gateway upgrades replys the bearer update response to MME after PDN connects context;
Whether core network element can be judged UE current according to the IP address of GTPU passage wireless access network side is to insert from relay, and concrete mode can be:
(1) MME judges that whether the IP address of the wireless access network side of GTPU passage correspondence is from the IP address that Relay inserts one of the expression delimited in advance, if think that then this UE inserts from Relay, otherwise the current ordinary base station of expression UE inserts; Then the current sign that whether inserts by Relay of expression UE is notified to gateway by the bearer update request message, perhaps
(2) gateway judges that according to the IP address of the GTPU passage wireless access network side that receives UE inserts from Relay, the concrete same mode of determination methods (1).
If this IP address is from the IP address that Relay inserts one of the expression delimited in advance, illustrate then that UE is current to insert, otherwise the current ordinary base station of expression UE inserts by the Relay node.
Finish if select QOS to be mapped in PDN GW, then gateway represent UE current be to be notified to PDN GW by the sign that Relay inserts.
The PDN connection is set up process and is finished.
Step 10:PDN GW receives the downlink data that external network sends to UE, specifically handles as follows:
If PDN GW does QOS mapping, and the information that PDN GW reports when initially inserting according to this object UE learns that this UE inserts from the Relay node, then carries out following operation:
(1) PDN GW connects and bearer context according to the PDN that the QOS of IP address, IP data I P layer etc. obtains the object UE correspondence;
(2) PDN GW is provided with COS according to the QOS of above-mentioned bearer context correspondence for these IP data, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) PDN GW sends to UE to amended IP data distribution by the Data-carrying of setting up.
If gateway is done the QOS mapping, then PDN GW sends to gateway by the corresponding GTPU data channel of PDN connection after receiving the IP data, after gateway receives data, the information that reports when initially inserting according to this object UE learns that this UE when the Relay node inserts, carries out following processing:
(1) gateway is received the GTPU data from the GTPU data channel, reads the bearer context of this GTPU data channel correspondence;
(2) gateway is that grouped data is provided with COS according to the QOS of above-mentioned bearer context correspondence, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) gateway sends to UE to amended IP data distribution by the Data-carrying of setting up.
Embodiment 5
When present embodiment has been described the generation of UE handoff procedure, by whether inserting after this UE switching of Access Network notice PDN GW by Relay.The prerequisite of this embodiment is that UE is linked into network by base station (source eNodeB in the corresponding diagram 5), promptly sets up signaling and is connected with data.As shown in Figure 5, comprising:
Step 1: source eNodeB does switch decision according to the measurement report that UE reports, and Target cell prepares to switch to the Target cell of Relay correspondence under the Relay node;
Step 2: source eNodeB initiates handoff request to Relay, triggers to switch set-up procedure, and Relay accepts handoff request;
Step 3: source eNodeB initiates hand-off execution process after receiving and switching the message that is ready to complete, and comprises that indication UE carries out processes such as switching, data forwarding;
After step 4:UE is accomplished to the switching of Relay, Relay sends Packet SwitchRequest (bag handoff request) message to MME, this UE of notice MME has switched to new sub-district, comprising parameters such as signaling sign, the bearing identification that will switch, sub-district overall identification (ECGI), tracking area identifications; Also comprise " whether inserting sign by the Relay node " in the Packet Switch Request message, the notice core net switches whether back UE is to insert from Relay;
If the Relay node is not supported the S1AP agreement, then this message is made up and is sent by DeNB.
Step 5:MME initiates carrying to gateway and sets up or renewal process, and gateway sends carrying to grouped data network gateway again and sets up or renewal process;
For the simplification process merges this process, step 6 in like manner among the figure;
Send carrying and set up or bearer update, whether change according to gateway before and after switching or PDN Gateway.
MME comprises the EPS bearing identification in carrying foundation that gateway sends or updating message, the GTPU parameter of wireless access network (Relay or eNodeB) end also comprises " whether inserting sign by the Relay node ".
Gateway also may comprise " whether inserting sign by the Relay node " in carrying foundation that grouped data network gateway sends or updating message.
Step 6: grouped data network gateway is to gateway, and gateway sends carrying foundation or upgrades response message to MME;
Step 7:MME sends Packet Switch Ack (affirmation is switched in grouping) message to the Relay node;
Step 8:Relay sends the resource dispose procedure to source base station (source eNodeB), and UE is possibility initiating updating of tracking area process as required;
Step 9:PDN GW receives the downlink data that external network sends to UE, specifically handles as follows:
If PDN GW does QOS mapping, and the information that PDN GW reports when initially inserting according to this object UE learns that this UE inserts from the Relay node, then carries out following operation:
(1) PDN GW connects and bearer context according to the PDN that the QOS of IP address, IP data I P layer etc. obtains the object UE correspondence;
(2) PDN GW is provided with COS according to the QOS of above-mentioned bearer context correspondence for these IP data, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) PDN GW sends to UE to amended IP data distribution by the Data-carrying of setting up.
If gateway is done the QOS mapping, then PDN GW sends to gateway by the corresponding GTPU data channel of PDN connection after receiving the IP data, after gateway receives data, the information that reports when initially inserting according to this object UE learns that this UE when the Relay node inserts, carries out following processing:
(1) gateway is received the GTPU data from the GTPU data channel, reads the bearer context of this GTPU data channel correspondence;
(2) gateway is that grouped data is provided with COS according to the QOS of above-mentioned bearer context correspondence, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) gateway sends to UE to amended IP data distribution by the Data-carrying of setting up.
Present embodiment is at the X2 handoff procedure, and for the S1 handoff procedure, in step 4, whether target eNB or Relay are to insert from Relay by Handover Notify (switching notice) message informing core net current UE after hand-off execution process is finished.
After UE or Relay or DeNB do not need display notification core net UE to switch to finish is to insert from relay, core net according to other parameters such as sub-district overall identification ECGI or judge UE from the base station or Relay insert.Similarly, core net also can basis and wireless access network between the peer IP address of GTPU data channel judge UE from the base station or Relay insert.
Embodiment 6
When present embodiment has been described the UE handoff procedure and taken place, whether insert after notifying this UE of core net to switch by Access Network by the mode of implicit expression by Relay.When Relay powers on, when network side is Relay administration cell allocation sub-district overall identification, with the overall identification of Relay a part as the sub-district overall identification, perhaps delimit in advance in certain scope or certain a few sub-districts overall identification be the sub-district overall identification that belongs to the sub-district of Relay, the sub-district overall identification that makes core net pass through the sub-district at UE place like this can judge whether this UE inserts from Relay.Flow process can may further comprise the steps with reference to figure 5:
In the present embodiment, in handoff procedure, judge according to sub-district overall identification (ECGI) whether UE inserts from Relay.
Step 1: source eNB does switch decision according to the measurement report that UE reports, and Target cell prepares to switch to the Target cell of Relay correspondence under the Relay node;
Step 2: source eNB initiates handoff request to Relay, triggers to switch set-up procedure, and Relay accepts handoff request;
Step 3: source eNB initiates hand-off execution process after receiving and switching the message that is ready to complete, and comprises that indication UE carries out processes such as switching, data forwarding;
After step 4:UE is accomplished to the switching of Relay, Relay sends Packet SwitchRequest message to MME, this UE of notice MME has switched to new sub-district, comprising parameters such as signaling sign, the bearing identification that will switch, switching back wireless access network side GTPU channel parameters, sub-district overall identification ECGI, tracking area identifications;
The sub-district that MME judges the UE access according to the sub-district overall identification in the Packet Switch Request message is thereby that the Relay administration learns that UE inserts from Relay.
Concrete determination methods can be:
Method 1: judge the Relay overall identification that whether comprises Relay in this sub-district overall identification, if then this sub-district belongs to Relay, this UE inserts from Relay, otherwise this sub-district belongs to eNodeB, and this UE inserts from ordinary base station;
Method 2: judge that whether this sub-district overall identification is among that part of ECGI that delimit in advance, if think that then this UE inserts from Relay, otherwise think that this UE inserts from ordinary base station.
Step 5:MME initiates carrying to gateway and sets up or renewal process, and gateway sends carrying to grouped data network gateway again and sets up or renewal process;
For the simplification process merges this process, step 6 in like manner among the figure.
Send carrying and set up or bearer update, whether change according to gateway before and after switching or PDN Gateway.
By step 4, MME knows whether UE inserts from relay, whether MME is included in " by Relay node insert sign " in GTP-C (GPRS Tunnel Protocol chain of command) message and sends to gateway in this step then, if QOS is mapped in and carries out on the grouped data network gateway then whether gateway is included in " identifying by the access of Relay node " in the GTP-C message and sends to grouped data network gateway.
Above-mentioned GTP-C message is meant MME and gateway, and the interface protocol of gateway and grouped data network gateway can be that carrying is set up or bearer update message specific to present embodiment.
Step 6: grouped data network gateway is to gateway, and gateway sends carrying foundation or upgrades response message to MME;
Step 7:MME sends Packet Switch Ack (affirmation is switched in grouping) message to the Relay node;
Step 8:Relay sends the resource dispose procedure to source base station (source eNB), and UE is possibility initiating updating of tracking area process as required;
Step 9:PDN GW receives the downlink data that external network sends to UE, specifically handles as follows:
If PDN GW does QOS mapping, and the information that PDN GW reports when initially inserting according to this object UE learns that this UE inserts from the Relay node, then carries out following operation:
(1) PDN GW connects and bearer context according to the PDN that the QOS of IP address, IP data I P layer etc. obtains the object UE correspondence;
(2) PDN GW is provided with COS according to the QOS of above-mentioned bearer context correspondence for these IP data, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) PDN GW sends to UE to amended IP data distribution by the Data-carrying of setting up.
If gateway is done the QOS mapping, then PDN GW sends to gateway by the corresponding GTPU data channel of PDN connection after receiving the IP data, after gateway receives data, the information that reports when initially inserting according to this object UE learns that this UE when the Relay node inserts, carries out following processing:
(1) gateway is received the GTPU data from the GTPU data channel, reads the bearer context of this GTPU data channel correspondence;
(2) gateway is that grouped data is provided with COS according to the QOS of above-mentioned bearer context correspondence, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) gateway sends to UE to amended IP data distribution by the Data-carrying of setting up.
Present embodiment is at the X2 handoff procedure, and for the S1 handoff procedure, in step 4, target eNode B or Relay judge by the ECGI in Handover Notify (switching notice) message whether current UE is to insert from Relay after hand-off execution process is finished.
When present embodiment has been described the UE handoff procedure and taken place, whether insert after notifying this UE of core net to switch by Access Network by the mode of implicit expression by Relay.When network side distributes the GTPU channel parameters, indicate the address UE whether to insert by GTPU passage wireless access network side IP in this parameter, make core net pass through GTPU passage wireless access network side IP address like this and can judge whether this UE inserts from Relay from Relay.Flow process can may further comprise the steps with reference to figure 5:
Step 1: source eNB does switch decision according to the measurement report that UE reports, and Target cell prepares to switch to the Target cell of Relay correspondence under the Relay node;
Step 2: source eNB initiates handoff request to Relay, triggers to switch set-up procedure, and Relay accepts handoff request;
Step 3: source eNB initiates hand-off execution process after receiving and switching the message that is ready to complete, and comprises that indication UE carries out processes such as switching, data forwarding;
After step 4:UE is accomplished to the switching of Relay, Relay sends Packet SwitchRequest message to MME, this UE of notice MME has switched to new sub-district, comprising parameters such as signaling sign, the bearing identification that will switch, switching back wireless access network side GTPU channel parameters, sub-district overall identification ECGI, tracking area identifications;
Core network element can be judged the corresponding Relay in this IP address according to the IP address of GTPU passage wireless access network side, and concrete mode can be:
(1) MME judges that whether the IP address of the wireless access network side of GTPU passage correspondence is from the IP address that Relay inserts one of the expression delimited in advance, if, think that then this UE inserts from Relay, and representing that the current sign that inserts by Relay of UE is notified to gateway by the bearer update request message, otherwise, think that the current ordinary base station of UE inserts, and handles by normal flow; Perhaps
(2) gateway judges that according to the IP address of the GTPU passage wireless access network side that receives UE inserts from Relay.
If this IP address is from the IP address that Relay inserts one of the expression delimited in advance, illustrate then that UE is current to insert by the Relay node, otherwise expression UE is current inserts from ordinary base station.
Step 5:MME initiates carrying to gateway and sets up or renewal process, and gateway sends carrying to grouped data network gateway again and sets up or renewal process;
For the simplification process merges this process, step 6 in like manner among the figure.
Send carrying and set up or bearer update, whether change according to gateway before and after switching or PDN Gateway.
Finish if select QOS to be mapped in PDN GW, then gateway represent UE current be to be notified to PDN GW by the sign that Relay inserts.
Step 6: grouped data network gateway is to gateway, and gateway sends carrying foundation or upgrades response message to MME;
Step 7:MME sends Packet Switch Ack (affirmation is switched in grouping) message to the Relay node;
Step 8:Relay sends the resource dispose procedure to source base station (source eNodeB), and UE is possibility initiating updating of tracking area process as required;
Step 9:PDN GW receives the downlink data that external network sends to UE, specifically handles as follows:
If PDN GW does QOS mapping, and the information that PDN GW reports when initially inserting according to this object UE learns that this UE inserts from the Relay node, then carries out following operation:
(1) PDN GW connects and bearer context according to the PDN that the QOS of IP address, IP data I P layer etc. obtains the object UE correspondence;
(2) PDN GW is provided with COS according to the QOS of above-mentioned bearer context correspondence for these IP data, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) PDN GW sends to UE to amended IP data distribution by the Data-carrying of setting up.
If gateway is done the QOS mapping, then PDN GW sends to gateway by the corresponding GTPU data channel of PDN connection after receiving the IP data, after gateway receives data, the information that reports when initially inserting according to this object UE learns that this UE when the Relay node inserts, carries out following processing:
(1) gateway is received the GTPU data from the GTPU data channel, reads the bearer context of this GTPU data channel correspondence;
(2) gateway is that grouped data is provided with COS according to the QOS of above-mentioned bearer context correspondence, and the mapping relations of QOS and COS configure before pre-; And COS is write the TOS field (perhaps DS) of the data head of each IP grouping;
(3) gateway sends to UE to amended IP data distribution by the Data-carrying of setting up.
Present embodiment is at the X2 handoff procedure, for the S1 handoff procedure, in step 4, target eNode B or Relay judge by the GTPU channel parameters of the wireless access network side in Handover Request Ack (Handover Request Acknowledge) message whether current UE is to insert from Relay after hand-off execution process is finished.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (12)
1. be the method for user data configuration data bearer path in the relaying connecting system, it is characterized in that,
In the initial access process or handoff procedure of subscriber equipment (UE), the information whether described UE is inserted from relaying (Relay) passes to core net;
Core net is only divided into groups to the IP data of the UE that inserts from Relay after receiving descending IP data, one or more Data-carrying passage between every group of corresponding Relay of IP data and the evolved Node B of carrier (DeNB).
2. the method for claim 1 is characterized in that,
In the initial access process or handoff procedure of UE, by UE or Access Network the information whether UE inserts from Relay is passed to mobile management entity (MME), be transmitted to gateway (SGW) or grouped data network gateway (PGW) by MME.
3. method as claimed in claim 1 or 2 is characterized in that,
UE or Access Network one of in the following manner pass to core net with the information whether UE inserts from Relay:
(1) in initial access process, UE sends to core net with the sign whether it inserts from Relay by non-access layer information;
(2) Relay or DeNB send to core net with the sign whether UE inserts from relaying by the S1 interface message; Perhaps
(3) Relay carries the sub-district overall identification in message, and core net judges by the sub-district overall identification whether UE inserts from relaying; Perhaps
(4) Relay carries the IP address of GTPU passage wireless access network side in message, and core net judges according to described IP address whether UE inserts from relaying.
4. method as claimed in claim 3 is characterized in that,
In mode (1), UE is added on the sign whether it inserts from Relay protocol configuration option (PCO) parameter, sends to core net by non-access layer information.
5. method as claimed in claim 3 is characterized in that,
In mode (1), UE knows directly by reading system broadcasting whether oneself inserts from Relay, or connects by the RRC that Relay sends and to set up message and know whether oneself inserts from Relay.
6. method as claimed in claim 3 is characterized in that,
In mode (2), described S1 interface message is initial UE message or packet switching request message or handoff notification message.
7. method as claimed in claim 3 is characterized in that,
In mode (3), described message is initial UE message or packet switching request message.
8. method as claimed in claim 3 is characterized in that,
In mode (3), described core net judges that by the sub-district overall identification step whether UE inserts from relaying further comprises:
Described core net is judged the Relay overall identification that whether comprises Relay in the overall identification of described sub-district, if think that then this UE inserts from Relay, otherwise think that UE inserts from ordinary base station; Perhaps
Described core net judges that whether described sub-district overall identification is from the sub-district overall identification of Relay one of the expression UE that delimit in advance, if think that then this UE inserts from Relay, otherwise think that this UE inserts from ordinary base station.
9. method as claimed in claim 3 is characterized in that,
In mode (4), described message is initial context response message or packet switching request message.
10. method as claimed in claim 3 is characterized in that,
In mode (4), described core net judges that according to described IP address the step whether UE inserts from relaying further comprises:
Described core net judges that whether described IP address is from the IP address that Relay inserts one of the expression UE that delimit in advance, if think that then this UE inserts from Relay, otherwise think that UE inserts from ordinary base station.
11. one kind is the relaying connecting system of user data configuration data bearer path, comprises subscriber equipment (UE), relaying (Relay), mobile management entity (MME) and gateway, it is characterized in that,
Described MME is used to receive the information whether UE inserts from relaying (Relay), inserts from Relay if judge described UE, then judged result is sent to gateway;
Described gateway is used for after receiving descending IP data, only the IP data of the UE that inserts from Relay is divided into groups one or more Data-carrying passage between every group of corresponding Relay of IP data and the evolved Node B of carrier (DeNB).
12. one kind is the relaying connecting system of user data configuration data bearer path, comprises subscriber equipment (UE), relaying (Relay), mobile management entity (MME) and gateway, it is characterized in that,
Described MME is used to receive the information whether UE inserts from relaying (Relay), and described information is sent to gateway;
Described gateway, be used for judging according to above-mentioned information whether UE inserts from Relay, after receiving descending IP data, only the IP data of the UE that inserts from Relay are divided into groups one or more Data-carrying passage between every group of corresponding Relay of IP data and the evolved Node B of carrier (DeNB).
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| CN102333330A (en) * | 2011-10-26 | 2012-01-25 | 电信科学技术研究院 | Information indication and gateway selection methods, system and equipment |
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| CN110149667A (en) * | 2012-12-28 | 2019-08-20 | 日本电气株式会社 | Base station, user equipment and its method |
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| CN108924826B (en) * | 2017-03-24 | 2023-04-14 | 北京三星通信技术研究有限公司 | Data transmission control method and device |
| CN114390633A (en) * | 2020-10-16 | 2022-04-22 | 中国移动通信有限公司研究院 | Signal relay transmission method, device, equipment and readable storage medium |
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