CN102638899A - Method and system for establishing service bearer - Google Patents
Method and system for establishing service bearer Download PDFInfo
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- CN102638899A CN102638899A CN2011100363285A CN201110036328A CN102638899A CN 102638899 A CN102638899 A CN 102638899A CN 2011100363285 A CN2011100363285 A CN 2011100363285A CN 201110036328 A CN201110036328 A CN 201110036328A CN 102638899 A CN102638899 A CN 102638899A
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- assisted cell
- foundation
- user terminal
- request
- carrying
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
- H04W28/086—Load balancing or load distribution among access entities
- H04W28/0861—Load balancing or load distribution among access entities between base stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Abstract
The invention provides a method for establishing a service bearer. The method comprises the following steps: a user terminal transmits one or more first bearer establishing requests; a primary cell selects to transmit the first bearer establishing requests to one or more auxiliary cells according to the bearer data of the auxiliary cell; the auxiliary cell acquires the bearer data by transmitting a second bearer establishing request to a core network; and the user terminal establishes a service bearer with the auxiliary cell according to the first bearer establishing request to acquire the bearer data. The invention also provides a system for establishing the service bearer. According to the method and system provided by the invention, the problem that multiple cells can not serve one user terminal in a long term evolution (LTE) system in the prior art is solved.
Description
Technical field
The present invention relates to the communications field, particularly, relate in particular to a kind of service bearing method and system of setting up.
Background technology
Long Term Evolution (Long Term Evolution-Advanced; Abbreviate LTE as) in the system; The same time has only a sub-district to be certain user terminal UE service; When between sub-district and user terminal UE, setting up service bearer, how different carryings being assigned in the different assisted cells is the problem that will solve.
Can't realize in the Long Term Evolution LET system to above-mentioned prior art that a plurality of sub-districts are the problem of a subscriber terminal service, do not have effective solution at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of service bearing method and system of setting up, can't realize that a plurality of sub-districts are the problem of a subscriber terminal service in the Long Term Evolution LTE system that solves prior art.
To achieve these goals, according to an aspect of the present invention, a kind of service bearing method of setting up is provided.
The service bearing method of setting up according to the present invention comprises:
User terminal sends one or more the first and carries the request of foundation;
The main plot is selected to transmit said first to one or more said assisted cells and is carried the request of foundation according to the load data of assisted cell;
Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation, and said user terminal is set up service bearer based on said first carrying foundation request and said assisted cell simultaneously, to obtain said carrying data.
Further; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell sends the said second carrying foundation and asks said core net;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said assisted cell issues said carrying data to said user terminal.
Further; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said assisted cell sends the said second carrying foundation and asks said core net;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said assisted cell issues said carrying data to said user terminal.
Further; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said assisted cell sends the said second carrying foundation and asks said core net;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said assisted cell issues said carrying data to said user terminal.
Further; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said assisted cell sends the said second carrying foundation and asks said core net;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said assisted cell issues said carrying data to said user terminal.
Further; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell sends the said second carrying foundation and asks said core net;
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said assisted cell issues said carrying data to said user terminal.
Further; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell sends the said second carrying foundation and asks said core net;
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said assisted cell issues said carrying data to said user terminal.
Further, user terminal send one or more the first carry the request of foundation before, said method also comprises:
The mode that said main plot reports through load is obtained the said load data of said assisted cell in real time.
Further, after said assisted cell issued said carrying data to said user terminal, said method also comprised:
Said assisted cell feeds back the 4th acknowledge message to said main plot, comprises in said the 4th acknowledge message that said first carries the identifier of the request of foundation and the identifier of the said second carrying foundation request.
Further, said assisted cell send said second carry to set up ask said core net after, said method also comprises:
Judge whether said second request of carry setting up is effective, wherein, carry the request of foundation when effective when said second; Said core net responds second of said assisted cell and carries the request of foundation; And return the said carrying data and first acknowledge message, otherwise said core net is returned first failed message.
To achieve these goals, according to another aspect of the present invention, a kind of system that sets up service bearer is provided.
The system that sets up service bearer according to the present invention comprises:
User terminal is used to send one or more the first and carries the request of foundation;
Assisted cell;
The main plot is used for the load data according to assisted cell, selects to transmit said first to one or more said assisted cells and carries the request of foundation;
Core net is used for obtaining the carrying data through the second carrying request of setting up that said assisted cell sends; Wherein,
Said user terminal carries the request of foundation according to said first sets up service bearer with said assisted cell, to obtain said carrying data.
Set up service bearing method and system through the present invention; Can solve in the Long Term Evolution LTE system of prior art and can't realize that a plurality of sub-districts are the problem of a subscriber terminal service; And then reached and realize that a plurality of sub-districts are a UE service, thereby improve the throughput of cell edge or increase the effect of throughput of system.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes a part of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to the system that sets up service bearer of the embodiment of the invention;
Fig. 2 is the flow chart of setting up service bearing method according to the embodiment of the invention;
Fig. 3 is the workflow diagram of setting up service bearing method according to the embodiment of the invention one to six; And
Fig. 4 is the workflow diagram of setting up service bearing method according to the embodiment of the invention seven.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, clear,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The invention provides one and set up service bearing method and system.
Fig. 1 is the structural representation according to the system that sets up service bearer of the embodiment of the invention.As shown in Figure 1, this system that sets up service bearer comprises: user terminal 1 is used to send one or more the first and carries the request of foundation; Assisted cell 3; Main plot 2 is used for the load data according to assisted cell 3, selects to transmit first to one or more assisted cells 3 and carries the request of foundation; Core net 4 is used for obtaining the carrying data through the second carrying request of setting up that assisted cell 3 sends; Wherein, user terminal 1 carries the request of foundation according to first sets up service bearer with assisted cell 3, to obtain the carrying data.
The above embodiment of the present invention has further improved the LTE system for the frequency efficiency of edge customer throughput, edge customer and the overall performance of system through adopting multipoint cooperative transmission and reception technique (Coordinated Multi-point transmission/reception abbreviates CoMP as).This embodiment realizes that the main plot has the information on load that CoMP concentrates all sub-districts; Therefore when setting up service bearer; Can carrying is distributed in some sub-districts, rather than each sub-district all have this carrying according to the resource information of carrying each sub-district among resource needed, the CoMP and the characteristic of carrying; And from core net issue about certain data carried by data, can directly issue and admit the eNodeB of this carrying is the sub-district node.Avoid eNodeB to enter into OL state.Among this embodiment first carrying request of setting up can be that radio bearer foundation is asked, and the second carrying request of setting up is that E-RAB carrying foundation is asked.
In the above-described embodiments; Succession LTE-advanced as the LTE system is appointed as element important in its technological frame; Be implemented in the wireless telecommunications process; The a plurality of transmission points that separate on the geographical position are collaborative participate in a user terminal UE transmission with/accept data, receive quality of signals to improve edge customer.The covering that can increase high data rate through transmission and the reception technique of CoMP in the system, thus improve the throughput of cell edge or increase throughput of system.
Fig. 2 is the flow chart of setting up service bearing method according to the embodiment of the invention.As shown in Figure 2, this method comprises the steps:
Step S202 sends one or more the first through the user terminal among Fig. 11 and carries the request of foundation;
Step S204 can select to transmit first to one or more assisted cells 3 and carry the request of foundation according to the load data of assisted cell 3 like the main plot among Fig. 12;
Step S206, the assisted cell 3 among Fig. 1 can ask to obtain the carrying data to core net 4 through sending the second carrying foundation, and user terminal 1 can be set up service bearer based on the first carrying foundation request and assisted cell 3 simultaneously, to obtain the carrying data.
The above embodiment of the present invention has the information on load that CoMP concentrates all sub-districts through the main plot; Therefore when setting up service bearer; Can carrying is distributed in some sub-districts, rather than each sub-district all have this carrying according to the resource information of carrying each sub-district among resource needed, the CoMP and the characteristic of carrying; And from core net issue about certain data carried by data; Can directly issue the eNodeB that admits this carrying, promptly each sub-district node avoids eNodeB to enter into OL state; Today realize the covering that can increase high data rate through transmission and the reception technique of CoMP in the subzone network communication system, thereby improve the throughput of cell edge or increase throughput of system.
It is a kind of long-term evolution upgrading (Long TermEvolution-Advanced that the above embodiment of the present invention relates to wireless communication system; Abbreviate LTE-A as) Node B (eNodeB in the evolution of system; Abbreviate ENB as); Be each sub-district and user terminal (UE, the terminal in the evolution), set up based on a plurality of sub-districts of CoMP and mix the acceptance method that carries.In the LTE-A system, adopt the CoMP technology can realize that a plurality of sub-districts are a UE service.Wherein, the carrying of first in the embodiment of the invention request of setting up can be that radio bearer foundation is asked, and the second carrying request of setting up is that E-RAB carrying foundation is asked.
Preferably, issue the carrying data to user terminal at assisted cell, method also comprises: assisted cell feeds back the 4th acknowledge message to the main plot, comprises in the 4th acknowledge message that first carries the identifier of the request of foundation and the identifier of the second carrying foundation request.
Preferably; Step S202 user terminal send one or more the first carry the request of foundation before; Method can also comprise: step S201; Main plot 2 has the reciprocal process of load information with assisted cell 3, and the mode that main plot 2 reports through load is obtained the load data of assisted cell 3 in real time.
Fig. 3 is the workflow diagram of setting up service bearing method according to the embodiment of the invention one to six.When UE set up a service bearer, main plot 2 was based upon this service bearer on the suitable assisted cell 3, when UE and core net 4 have data interaction, data directly the sub-district is corresponding carry carry out mutual.
As shown in Figure 3, the mode that reports through load of neighbor cell each other, the auxiliary situation of assisted cell 3 has been known in main plot 2.When user terminal 1UE need set up a service bearer, the work disposal flow process of main plot 2 comprised following several kinds of embodiment.
Embodiment one:
As shown in Figure 3, this embodiment one comprises the steps:
Step S301, user terminal 1UE initiates radio bearer to main plot 2 and sets up request command.
Step S302 can select to transmit first to one or more assisted cells 3 and carry the request of foundation according to the load data of assisted cell 3 like the main plot among Fig. 12.In this step, main plot 2 selects an assisted cell 3 to initiate to carry the request of foundation through the load state of existing assisted cell 3.Carry the id information of UE in this message, the first carrying request of setting up can be that radio bearer is set up request.
After step S303, assisted cell 3 received that the carrying foundation of main plot 2 is asked, foundation is carried in assisted cell 3 transmissions second asked core net 4, the second carrying foundation to ask and can ask for initiate E-RAB carrying foundation to core net 4.
Step S304, second of core net 4 response assisted cells 3 carry the request of foundation, and return the carrying data and first acknowledge message.In this step, it can be to send response E-RAB to assistant service sub-district 3 to carry the request of foundation that second of core net 4 response assisted cells 3 carry the request of foundation, and the strange land acknowledge message of returning simultaneously can be success message.
Step S305, assisted cell 3 receive first and carry the request of foundation, and return second and confirm message to user terminal 1.In this step, assisted cell 3 initiatively initiates to set up successful request message with the radio bearer of this user terminal 1UE, and carries the radio bearer identifier that UE initiates to main plot 2 in this message.
Step S306, user terminal 1 sends the 3rd and confirms message to assisted cell 3, and assisted cell 3 can issue carrying data to user terminal 1.Realize in this step that user terminal 1UE sends radio bearers to this assisted cell 3 and sets up the 3rd acknowledge message successfully, the 3rd acknowledge message is used to confirm that terminal, family 1UE has successfully set up radio bearer with assistant service sub-district 3.
Step S307, assisted cell 3 feeds back the 4th acknowledge message to main plot 2, comprises in the 4th acknowledge message that first carries the identifier of the request of foundation and the identifier of the second carrying foundation request.This step realizes that assisted cell 3 sets up radio bearer and E-RAB to main plot 2 feedback UE and carry and successfully set up message.Carry the identifier of radio bearer and the identifier that E-RAB carries in this message.
Embodiment two:
As shown in Figure 3; Because in the embodiment of the invention; It can be a parallel process that the E-RAB connection procedure of assisted cell 3 foundation and core net 4 and assisted cell 3 are set up radio bearer with user terminal 2UE; Therefore, the present invention can be according to the following steps embodiment of the present invention, and the concrete steps of embodiment two are following:
Step S301, user terminal 1UE initiates radio bearer to main plot 2 and sets up request command.
Step S302 can select to transmit first to one or more assisted cells 3 and carry the request of foundation according to the load data of assisted cell 3 like the main plot among Fig. 12.In this step, main plot 2 selects an assisted cell 3 to initiate to carry the request of foundation through the load state of existing assisted cell 3.Carry the id information of UE in this message, the first carrying request of setting up can be that radio bearer is set up request.
Step S305, assisted cell 3 receive first and carry the request of foundation, and return second and confirm message to user terminal 1.In this step, assisted cell 3 initiatively initiates to set up successful request message with the radio bearer of this user terminal 1UE, and carries the radio bearer identifier that UE initiates to main plot 2 in this message.
Step S306, user terminal 1 sends the 3rd and confirms message to assisted cell 3, and assisted cell 3 can issue carrying data to user terminal 1.Realize in this step that user terminal 1UE sends radio bearers to this assisted cell 3 and sets up the 3rd acknowledge message successfully, the 3rd acknowledge message is used to confirm that terminal, family 1UE has successfully set up radio bearer with assistant service sub-district 3.
After step S303, assisted cell 3 received that the carrying foundation of main plot 2 is asked, foundation is carried in assisted cell 3 transmissions second asked core net 4, the second carrying foundation to ask and can ask for initiate E-RAB carrying foundation to core net 4.
Step S304, second of core net 4 response assisted cells 3 carry the request of foundation, and return the carrying data and first acknowledge message.In this step, it can be to send response E-RAB to assistant service sub-district 3 to carry the request of foundation that second of core net 4 response assisted cells 3 carry the request of foundation, and the strange land acknowledge message of returning simultaneously can be success message.
Step S307, assisted cell 3 feeds back the 4th acknowledge message to main plot 2, comprises in the 4th acknowledge message that first carries the identifier of the request of foundation and the identifier of the second carrying foundation request.This step realizes that assisted cell 3 sets up radio bearer and E-RAB to main plot 2 feedback UE and carry and successfully set up message.Carry the identifier of radio bearer and the identifier that E-RAB carries in this message.
Embodiment three:
As shown in Figure 3; Because in the embodiment of the invention; It can be a parallel process that the E-RAB connection procedure of assisted cell 3 foundation and core net 4 and assisted cell 3 are set up radio bearer with user terminal 2UE; Therefore, the present invention can be according to the following steps embodiment of the present invention, and the concrete steps of embodiment three are following:
Step S301, user terminal 1UE initiates radio bearer to main plot 2 and sets up request command.
Step S302 can select to transmit first to one or more assisted cells 3 and carry the request of foundation according to the load data of assisted cell 3 like the main plot among Fig. 12.In this step, main plot 2 selects an assisted cell 3 to initiate to carry the request of foundation through the load state of existing assisted cell 3.Carry the id information of UE in this message, the first carrying request of setting up can be that radio bearer is set up request.
Step S305, assisted cell 3 receive first and carry the request of foundation, and return second and confirm message to user terminal 1.In this step, assisted cell 3 initiatively initiates to set up successful request message with the radio bearer of this user terminal 1UE, and carries the radio bearer identifier that UE initiates to main plot 2 in this message.
After step S303, assisted cell 3 received that the carrying foundation of main plot 2 is asked, foundation is carried in assisted cell 3 transmissions second asked core net 4, the second carrying foundation to ask and can ask for initiate E-RAB carrying foundation to core net 4.
Step S304, second of core net 4 response assisted cells 3 carry the request of foundation, and return the carrying data and first acknowledge message.In this step, it can be to send response E-RAB to assistant service sub-district 3 to carry the request of foundation that second of core net 4 response assisted cells 3 carry the request of foundation, and the strange land acknowledge message of returning simultaneously can be success message.
Step S306, user terminal 1 sends the 3rd and confirms message to assisted cell 3, and assisted cell 3 can issue carrying data to user terminal 1.Realize in this step that user terminal 1UE sends radio bearers to this assisted cell 3 and sets up the 3rd acknowledge message successfully, the 3rd acknowledge message is used to confirm that terminal, family 1UE has successfully set up radio bearer with assistant service sub-district 3.
Step S307, assisted cell 3 feeds back the 4th acknowledge message to main plot 2, comprises in the 4th acknowledge message that first carries the identifier of the request of foundation and the identifier of the second carrying foundation request.This step realizes that assisted cell 3 sets up radio bearer and E-RAB to main plot 2 feedback UE and carry and successfully set up message.Carry the identifier of radio bearer and the identifier that E-RAB carries in this message.
Embodiment four:
As shown in Figure 3; Because in the embodiment of the invention; It can be a parallel process that the E-RAB connection procedure of assisted cell 3 foundation and core net 4 and assisted cell 3 are set up radio bearer with user terminal 2UE; Therefore, the present invention can be according to the following steps embodiment of the present invention, and the concrete steps of embodiment four are following:
Step S301, user terminal 1UE initiates radio bearer to main plot 2 and sets up request command.
Step S302 can select to transmit first to one or more assisted cells 3 and carry the request of foundation according to the load data of assisted cell 3 like the main plot among Fig. 12.In this step, main plot 2 selects an assisted cell 3 to initiate to carry the request of foundation through the load state of existing assisted cell 3.Carry the id information of UE in this message, the first carrying request of setting up can be that radio bearer is set up request.
Step S305, assisted cell 3 receive first and carry the request of foundation, and return second and confirm message to user terminal 1.In this step, assisted cell 3 initiatively initiates to set up successful request message with the radio bearer of this user terminal 1UE, and carries the radio bearer identifier that UE initiates to main plot 2 in this message.
After step S303, assisted cell 3 received that the carrying foundation of main plot 2 is asked, foundation is carried in assisted cell 3 transmissions second asked core net 4, the second carrying foundation to ask and can ask for initiate E-RAB carrying foundation to core net 4.
Step S306, user terminal 1 sends the 3rd and confirms message to assisted cell 3, and assisted cell 3 can issue carrying data to user terminal 1.Realize in this step that user terminal 1UE sends radio bearers to this assisted cell 3 and sets up the 3rd acknowledge message successfully, the 3rd acknowledge message is used to confirm that terminal, family 1UE has successfully set up radio bearer with assistant service sub-district 3.
Step S304, second of core net 4 response assisted cells 3 carry the request of foundation, and return the carrying data and first acknowledge message.In this step, it can be to send response E-RAB to assistant service sub-district 3 to carry the request of foundation that second of core net 4 response assisted cells 3 carry the request of foundation, and the strange land acknowledge message of returning simultaneously can be success message.
Step S307, assisted cell 3 feeds back the 4th acknowledge message to main plot 2, comprises in the 4th acknowledge message that first carries the identifier of the request of foundation and the identifier of the second carrying foundation request.This step realizes that assisted cell 3 sets up radio bearer and E-RAB to main plot 2 feedback UE and carry and successfully set up message.Carry the identifier of radio bearer and the identifier that E-RAB carries in this message.
Embodiment five:
As shown in Figure 3; Because in the embodiment of the invention; It can be a parallel process that the E-RAB connection procedure of assisted cell 3 foundation and core net 4 and assisted cell 3 are set up radio bearer with user terminal 2UE; Therefore, the present invention can be according to the following steps embodiment of the present invention, and the concrete steps of embodiment five are following:
Step S301, user terminal 1UE initiates radio bearer to main plot 2 and sets up request command.
Step S302 can select to transmit first to one or more assisted cells 3 and carry the request of foundation according to the load data of assisted cell 3 like the main plot among Fig. 12.In this step, main plot 2 selects an assisted cell 3 to initiate to carry the request of foundation through the load state of existing assisted cell 3.Carry the id information of UE in this message, the first carrying request of setting up can be that radio bearer is set up request.
After step S303, assisted cell 3 received that the carrying foundation of main plot 2 is asked, foundation is carried in assisted cell 3 transmissions second asked core net 4, the second carrying foundation to ask and can ask for initiate E-RAB carrying foundation to core net 4.
Step S305, assisted cell 3 receive first and carry the request of foundation, and return second and confirm message to user terminal 1.In this step, assisted cell 3 initiatively initiates to set up successful request message with the radio bearer of this user terminal 1UE, and carries the radio bearer identifier that UE initiates to main plot 2 in this message.
Step S304, second of core net 4 response assisted cells 3 carry the request of foundation, and return the carrying data and first acknowledge message.In this step, it can be to send response E-RAB to assistant service sub-district 3 to carry the request of foundation that second of core net 4 response assisted cells 3 carry the request of foundation, and the strange land acknowledge message of returning simultaneously can be success message.
Step S306, user terminal 1 sends the 3rd and confirms message to assisted cell 3, and assisted cell 3 can issue carrying data to user terminal 1.Realize in this step that user terminal 1UE sends radio bearers to this assisted cell 3 and sets up the 3rd acknowledge message successfully, the 3rd acknowledge message is used to confirm that terminal, family 1UE has successfully set up radio bearer with assistant service sub-district 3.
Step S307, assisted cell 3 feeds back the 4th acknowledge message to main plot 2, comprises in the 4th acknowledge message that first carries the identifier of the request of foundation and the identifier of the second carrying foundation request.This step realizes that assisted cell 3 sets up radio bearer and E-RAB to main plot 2 feedback UE and carry and successfully set up message.Carry the identifier of radio bearer and the identifier that E-RAB carries in this message.
Embodiment six:
As shown in Figure 3; Because in the embodiment of the invention; It can be a parallel process that the E-RAB connection procedure of assisted cell 3 foundation and core net 4 and assisted cell 3 are set up radio bearer with user terminal 2UE; Therefore, the present invention can be according to the following steps embodiment of the present invention, and the concrete steps of embodiment six are following:
Step S301, user terminal 1UE initiates radio bearer to main plot 2 and sets up request command.
Step S302 can select to transmit first to one or more assisted cells 3 and carry the request of foundation according to the load data of assisted cell 3 like the main plot among Fig. 12.In this step, main plot 2 selects an assisted cell 3 to initiate to carry the request of foundation through the load state of existing assisted cell 3.Carry the id information of UE in this message, the first carrying request of setting up can be that radio bearer is set up request.
After step S303, assisted cell 3 received that the carrying foundation of main plot 2 is asked, foundation is carried in assisted cell 3 transmissions second asked core net 4, the second carrying foundation to ask and can ask for initiate E-RAB carrying foundation to core net 4.
Step S305, assisted cell 3 receive first and carry the request of foundation, and return second and confirm message to user terminal 1.In this step, assisted cell 3 initiatively initiates to set up successful request message with the radio bearer of this user terminal 1UE, and carries the radio bearer identifier that UE initiates to main plot 2 in this message.
Step S306, user terminal 1 sends the 3rd and confirms message to assisted cell 3, and assisted cell 3 can issue carrying data to user terminal 1.Realize in this step that user terminal 1UE sends radio bearers to this assisted cell 3 and sets up the 3rd acknowledge message successfully, the 3rd acknowledge message is used to confirm that terminal, family 1UE has successfully set up radio bearer with assistant service sub-district 3.
Step S304, second of core net 4 response assisted cells 3 carry the request of foundation, and return the carrying data and first acknowledge message.In this step, it can be to send response E-RAB to assistant service sub-district 3 to carry the request of foundation that second of core net 4 response assisted cells 3 carry the request of foundation, and the strange land acknowledge message of returning simultaneously can be success message.
Step S307, assisted cell 3 feeds back the 4th acknowledge message to main plot 2, comprises in the 4th acknowledge message that first carries the identifier of the request of foundation and the identifier of the second carrying foundation request.This step realizes that assisted cell 3 sets up radio bearer and E-RAB to main plot 2 feedback UE and carry and successfully set up message.Carry the identifier of radio bearer and the identifier that E-RAB carries in this message.
Fig. 4 is the workflow diagram of setting up service bearing method according to the embodiment of the invention seven.As shown in Figure 4; When user terminal 1UE of the present invention sets up many service bearers simultaneously; Main plot 2 is based upon each service bearer on the suitable assisted cell 3; When user terminal 1UE and core net 4 have data interaction, any service bearer data will be directly the sub-district is corresponding carry carry out mutual.
As shown in Figure 4; The mode that reports through load of neighbor cell each other; The auxiliary situation of assisted cell has been known in the main plot; And the E-RAB that each assisted cell in the embodiment of the invention seven is set up carries and radio bearer all is a parallel procedure, has established the result if work as the carrying of some assisted cells, just the result is fed back to the main plot.
As shown in Figure 4, when UE need set up many service bearers, the implementation step of the embodiment of the invention seven was following:
Step S401, user terminal 1UE initiates radio bearer to main plot 2 and sets up request command.Carrying in this request needs to set up the tabulation of carrying.
Step S402, main plot 2 selects a plurality of suitable assisted cells 3 to initiate to carry the request of foundation through the load state of existing assisted cell 3.
Step S403, each assisted cell 3 initiate E-RAB to core net 4 and carry the request of foundation after receiving that request is set up in the carrying of main plot 2.
Step S404, after core net 4 response E-RAB carried and set up success message, each assisted cell 3 carries to main plot 2 responses through X2 interface set up success message.
Step S405, each assisted cell 3 initiatively initiate to set up request message with the radio bearer of this user terminal 1UE, carry the radio bearer identifier that UE initiates to the main plot in this message.
Step S406, user terminal 1 sends radio bearers to each assisted cell 3 and sets up successful acknowledge message, confirms that through this acknowledge message terminal success set up radio bearer with the assistant service sub-district.
Step S407, each assisted cell 3 is set up the radio bearer success message to main plot 2 feedback UE.Carry the carrying of those assisted cells 3 in this message and set up successfully tabulation.
In like manner; Because in the embodiment of the invention; It can be a parallel process that the E-RAB connection procedure of assisted cell 3 foundation and core net 4 and assisted cell 3 are set up radio bearer with user terminal 2UE; Therefore, when the present invention sets up many service bearers simultaneously at user terminal 1UE, the also the same execution mode that has as embodiment two to six when setting up a service bearer.
Among the embodiment shown in Fig. 2-4, preferably, after core net is asked in the assisted cell transmission second carrying foundation; Method can also comprise: judge whether second request of carry setting up is effective, wherein, carry the request of foundation when effective when second; Second of core net response assisted cell carries the request of foundation; And return the carrying data and first acknowledge message, otherwise core net is returned first failed message.
Among the present invention embodiment in sum, preferably, receive first at assisted cell and carry the request of foundation; And return second and confirm message to after the user terminal, method can also comprise: whether judging first, to carry the request of foundation effective, wherein; When the first carrying foundation request was effective, user terminal sent the 3rd and confirms message to assisted cell, and assisted cell issues the carrying data to user terminal; Otherwise user terminal sends second failed message to assisted cell.
Among the embodiment one to seven shown in Fig. 2-4, when user terminal 1UE set up a service bearer, if main plot 2 is based upon this carrying in the process of assisted cell 3 failure of certain, this radio bearer was set up failure so.Embodiment one to seven can also comprise following implementation step:
At first, user terminal 1UE initiates radio bearer to main plot 2 and sets up request command.
Secondly, main plot 2 selects an assisted cell 3 to initiate to carry the request of foundation through the load state of existing assisted cell 3.Carry the id information of UE in this message.
Once more, assisted cell 3 is initiated E-RAB to core net 4 and is carried the request of foundation after receiving that request is set up in the carrying of main plot 2.
Then, core net is set up failed message to assisted cell 3 transmission response E-RAB carryings 4 this moments.Carry the reason of failure in this failed message.
Simultaneously, assisted cell 3 initiatively initiates to set up successful request message with the radio bearer of this UE.Carry the radio bearer identifier that UE initiates to the main plot in this message.
At this moment, user terminal 1UE sends radio bearer to this assisted cell 3 and sets up failed message, and user terminal 1UE feedback is set up the reason of radio bearer failure.At this moment, assisted cell 3 might can not receive the feedback message of UE.When issuing, assisted cell 3 just starts timer when setting up the radio bearer request, when timer expiry is not also received response.Assisted cell 3 also can think to set up the radio bearer failure.
At last, assisted cell 3 is set up radio bearer and E-RAB bearing response message to main plot 2 feedback UE, and identifier, failure cause and E-RAB that carrying in this message fails sets up radio bearer carry identifier, the failure cause of failure.And radio bearer is set up the reason of failure.If timer expiry then feeds back timer expiry.Just carry the reason of this failure if receive failed message.The failure cause of setting up of E-RAB also carries in this message.
In the above embodiment of the present invention, establishing that radio bearer and E-RAB carry possibly not be to fail simultaneously, and assisted cell 3 will feed back to main plot 2 according to the feedback result of core net 4 and UE.When many radio bearers that UE initiates, feedback system is identical.
Need to prove; The embodiment of the invention can be carried out in the computer system such as a set of computer-executable instructions in the step shown in the flow chart of accompanying drawing; And; Though logical order has been shown in flow chart, in some cases, can have carried out step shown or that describe with the order that is different from here.
From above embodiment describes; Can find out; The present invention has realized following technique effect: the present invention realizes the carrying of the request of UE is based upon on the proper cell; When UE and core net had data interaction, data were directly carried and are carried out alternately in that the sub-district is corresponding, and a plurality of data carried by data of having avoided being based upon each sub-district need the main plot to transmit through X2 interface alternately.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, perhaps they are made into a plurality of integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize by calculation element.Like this, the present invention is not restricted to any specific hardware and software combination.
Above-mentioned explanation illustrates and has described a preferred embodiment of the present invention; But as previously mentioned; Be to be understood that the present invention is not limited to the form that this paper discloses, should do not regard eliminating as, and can be used for various other combinations, modification and environment other embodiment; And can in invention contemplated scope described herein, change through the technology or the knowledge of above-mentioned instruction or association area.And change that those skilled in the art carried out and variation do not break away from the spirit and scope of the present invention, then all should be in the protection range of accompanying claims of the present invention.
Claims (11)
1. set up service bearing method for one kind, it is characterized in that, comprising:
User terminal sends one or more the first and carries the request of foundation;
The main plot is selected to transmit said first to one or more said assisted cells and is carried the request of foundation according to the load data of assisted cell;
Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation, and said user terminal is set up service bearer based on said first carrying foundation request and said assisted cell simultaneously, to obtain said carrying data.
2. method according to claim 1; It is characterized in that; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell sends the said second carrying foundation and asks said core net;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said assisted cell issues said carrying data to said user terminal.
3. method according to claim 1; It is characterized in that; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said assisted cell sends the said second carrying foundation and asks said core net;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said assisted cell issues said carrying data to said user terminal.
4. method according to claim 1; It is characterized in that; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said assisted cell sends the said second carrying foundation and asks said core net;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said assisted cell issues said carrying data to said user terminal.
5. method according to claim 1; It is characterized in that; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said assisted cell sends the said second carrying foundation and asks said core net;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said assisted cell issues said carrying data to said user terminal.
6. method according to claim 1; It is characterized in that; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell sends the said second carrying foundation and asks said core net;
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said assisted cell issues said carrying data to said user terminal.
7. method according to claim 1; It is characterized in that; Said assisted cell asks to obtain the carrying data to core net through sending the second carrying foundation; Said user terminal carries to set up according to said first and asks to set up service bearer with said assisted cell simultaneously, comprises with the step of obtaining said carrying data:
Said assisted cell sends the said second carrying foundation and asks said core net;
Said assisted cell receives said first request of carry setting up, and returns second and confirm message to said user terminal;
Said user terminal sends the 3rd and confirms message to said assisted cell;
Said core net responds second of said assisted cell and carries the request of foundation, and returns the said carrying data and first acknowledge message;
Said assisted cell issues said carrying data to said user terminal.
8. according to each described method among the claim 1-7, it is characterized in that, user terminal send one or more the first carry the request of foundation before, said method also comprises:
The mode that said main plot reports through load is obtained the said load data of said assisted cell in real time.
9. method according to claim 8 is characterized in that, after said assisted cell issued said carrying data to said user terminal, said method also comprised:
Said assisted cell feeds back the 4th acknowledge message to said main plot, comprises in said the 4th acknowledge message that said first carries the identifier of the request of foundation and the identifier of the said second carrying foundation request.
10. according to each described method in the claim 1, it is characterized in that, said assisted cell send said second carry to set up ask said core net after, said method also comprises:
Judge whether the said second carrying foundation request is effective, wherein,
When the said second carrying foundation request was effective, said core net responded the second carrying foundation of said assisted cell and asks, and returns the said carrying data and first acknowledge message, otherwise said core net is returned first failed message.
11. a system that sets up service bearer is characterized in that, comprising:
User terminal is used to send one or more the first and carries the request of foundation;
Assisted cell;
The main plot is used for the load data according to assisted cell, selects to transmit said first to one or more said assisted cells and carries the request of foundation;
Core net is used for obtaining the carrying data through the second carrying request of setting up that said assisted cell sends; Wherein,
Said user terminal carries the request of foundation according to said first sets up service bearer with said assisted cell, to obtain said carrying data.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100363285A CN102638899A (en) | 2011-02-11 | 2011-02-11 | Method and system for establishing service bearer |
| PCT/CN2011/082052 WO2012106961A1 (en) | 2011-02-11 | 2011-11-10 | Method and system for establishing service bearer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011100363285A CN102638899A (en) | 2011-02-11 | 2011-02-11 | Method and system for establishing service bearer |
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| CN102638899A true CN102638899A (en) | 2012-08-15 |
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| CN2011100363285A Pending CN102638899A (en) | 2011-02-11 | 2011-02-11 | Method and system for establishing service bearer |
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| CN (1) | CN102638899A (en) |
| WO (1) | WO2012106961A1 (en) |
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