CN103188745A - Terminal wireless access capability reporting and switching resource allocation method, device and system - Google Patents
Terminal wireless access capability reporting and switching resource allocation method, device and system Download PDFInfo
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- CN103188745A CN103188745A CN 201110459268 CN201110459268A CN103188745A CN 103188745 A CN103188745 A CN 103188745A CN 201110459268 CN201110459268 CN 201110459268 CN 201110459268 A CN201110459268 A CN 201110459268A CN 103188745 A CN103188745 A CN 103188745A
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Abstract
The invention discloses a terminal wireless access capability reporting and switching resource allocation method, a device and a system. The switching resource allocation method comprises the steps: obtaining a switching request, wherein the switching request comprises long term evolution (LTE) wireless access capability of a terminal, the LTE wireless access capability of the terminal is sent to a target base station by a source base station, and the target base station is a base station in a frequency division duplex (FDD) model or in a time division duplex (TDD) model in an LTE system; confirming that a difference does not exist between FDD wireless access capability and TDD wireless access capability which are supported by the LTE system; and according to the LTE wireless access capability of the terminal, allocating resources which are needed for switching of the terminal. According to the method, the device and the system, a network side can know that whether the difference exists between the FDD wireless access capability and the TDD wireless access capability in the LTE system supported by the terminal or not, and accordingly business continuity in the switching process of the terminal can be ensured.
Description
Technical field
The embodiment of the invention relates to the communication technology, relates in particular to a kind of terminal wireless access capability and reports and switchable resource collocation method, device and system.
Background technology
Radio honeycomb mobile network's wireless access technology is constantly development, its objective is to satisfy in the future the user to two-forty, extensively cover and jumbo communication requirement.At present, wireless access technology just by the 3G system to Long Term Evolution (Long Term Evolution, be called for short LTE) the different evolution of system, also (Release 8 by version 8 for the communication protocol of LTE system, be called for short R8) (Release 9 to version 9, abbreviation R9), version 10 highest versions such as (Release 10, are called for short R10) is brought in constant renewal in.
Access Layer (Access Stratum the is called for short AS) ability that need support for terminal is wireless access capability (Radio Access Capability), and the communication protocol of each version of LTE system all has regulation.The communication protocol of each version of LTE system is stipulated at present, the LTE FDD of LTE system is the same with the ability of TDD terminal, so the dual-mode terminal for FDD and TDD is to share a cover capability bit indication, namely has no idea to indicate different FDD wireless access capabilities and TDD wireless access capability.Factors such as the speed of realizing based on different terminals and test environment restriction consider that agreement allows each manufacturer terminal simultaneously in the terminal of each version, realizes all wireless access capabilities that LTE respective version communication protocol regulation need realize stage by stage.This might cause the Frequency Division Duplexing (FDD) (Frequency DivisionDuplex is called for short FDD) of the actual support of different terminals and the wireless access capability difference of time division duplex (Time Division Duplex is called for short TDD).
At present, core net can store the LTE wireless access capability of terminal, and agreement prescribed terminal FDD wireless access capability in the LTE system is identical with the TDD wireless access capability.In the accessing terminal to network process, core net can send the LTE wireless access capability of terminal to source base station.When terminal switches to the FDD network of LTE system or TDD network by source network, source network can pass to target BS with the LTE wireless access capability of terminal, because target BS can't be known the LTE wireless access capability of the terminal that passes over, specifically be FDD wireless access capability or the TDD wireless access capability of terminal, therefore, target BS may mismatch puts the unsupported characteristic of this terminal, and then causes the terminal handoff failure.
In order to solve this technical problem, prior art is in terminal switching process, target BS initiatively carries out the degradation processing of wireless access capability to terminal when switching resource requirement for terminal configuration, the ability subclass that namely adopts default configuration is that this terminal configuration is switched required resource.But if the ability subclass of described default configuration does not comprise terminal required ability of ongoing business in handoff procedure, the prior art can cause the service disconnection of terminal in handoff procedure.
Summary of the invention
The embodiment of the invention provides a kind of terminal wireless access capability to report and switchable resource collocation method, device and system, is conducive to guarantee the business continuance in the terminal switching process.
One aspect of the invention provides a kind of terminal wireless access capability report method, comprising:
Generate the first terminal wireless access capability reporting message, the described first terminal wireless access capability reporting message comprises: the first information; The described first information is used for the expression terminal in the FDD wireless access capability of LTE system support and the difference of TDD wireless access capability;
Send the described first terminal wireless access capability reporting message to source base station.
Second aspect present invention provides a kind of switchable resource collocation method, comprising:
Obtain handover request; Described handover request comprises: source base station is to the LTE wireless access capability of the terminal of target BS transmission; Described target BS is the base station of FDD standard or TDD standard in the LTE system;
Determine that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system;
According to the LTE wireless access capability of described terminal, for described terminal configuration is switched required resource.
Third aspect present invention provides a kind of terminal, comprising:
Generation unit is used for generating the first terminal wireless access capability reporting message, and the described first terminal wireless access capability reporting message comprises: the first information; The described first information is used for the expression terminal in the FDD wireless access capability of LTE system support and the difference of TDD wireless access capability;
Transmitter is used for sending the described first terminal wireless access capability reporting message to source base station.
Fourth aspect present invention provides a kind of base station, comprising:
Receiver is used for obtaining handover request; Described handover request comprises: source base station is to the LTE wireless access capability of the terminal of target BS transmission; Described target BS is the base station of FDD standard or TDD standard in the LTE system;
The terminal capability determining unit is used for determining that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system;
Resource configuration unit is used for the LTE wireless access capability according to described terminal, for described terminal configuration is switched required resource.
Fifth aspect present invention provides a kind of communication system, comprises source base station, target BS and above-mentioned terminal, and described target BS is above-mentioned base station, and described source base station communicates to connect with described terminal and described target BS respectively.
Terminal wireless access capability provided by the invention report with switchable resource collocation method, device and system in, network side can be known the first information of terminal by modes such as terminal to report; The described first information is used for the expression terminal in the FDD wireless access capability of LTE system support and the difference of TDD wireless access capability; Thereby whether FDD wireless access capability and TDD wireless access capability there are differences in the LTE system of definite terminal support.When terminal need be switched, the target BS basis determined that the result is that required resource is switched in the configuration of terminal specific aim, has therefore improved the terminal success rate for switching, and has been conducive to guarantee the continuity of terminal business in handoff procedure.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The flow chart of the terminal wireless access capability report method that Fig. 1 provides for the embodiment of the invention one;
The flow chart of the switchable resource collocation method that Fig. 2 provides for the embodiment of the invention two;
The Signalling exchange figure of the terminal switching method that Fig. 3 provides for the embodiment of the invention three;
The structural representation of the terminal that Fig. 4 provides for the embodiment of the invention four;
The structural representation of the base station that Fig. 5 provides for the embodiment of the invention five;
The structural representation of the communication system that Fig. 6 provides for the embodiment of the invention six.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not paying the every other embodiment that obtains under the creative work prerequisite.
The sequence number of following examples of the present invention does not represent the quality of embodiment just to description.
The flow chart of the terminal wireless access capability report method that Fig. 1 provides for the embodiment of the invention one.The executive agent of the described method of present embodiment is terminal.Method as shown in Figure 1 comprises:
11: generate the first terminal wireless access capability reporting message, the described first terminal wireless access capability reporting message comprises: the first information; The described first information is used for the expression terminal in the FDD wireless access capability of LTE system support and the difference of TDD wireless access capability.
12: send the described first terminal wireless access capability reporting message to source base station.
Optionally, the described first information comprises: first ability information or second ability information.Described first ability information, being used for the described terminal of expression does not have difference at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.Described second ability information is used for the described terminal of expression and there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
For example: if each LTE wireless capability that terminal is supported namely supports the FDD standard also to support the TDD standard, represent that then terminal does not have difference at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Under this situation, the described first information is described first ability information.
If in each LTE wireless capability that terminal is supported, partial L TE wireless capability is supported the FDD standard but is not supported the TDD standard, perhaps, partial L TE wireless capability is supported the TDD standard but is not supported the FDD standard, represents that then terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Under this situation, the described first information is described second ability information.
In the method that present embodiment provides, terminal reports the first information to network side as source base station, makes network side can know whether FDD wireless access capability and TDD wireless access capability there are differences in the LTE system of terminal support.When terminal need be switched, source base station can send to target BS with the LTE capacity variance information of terminal, so that target BS is according to the described first information, specific aim is switched required resource for this terminal configuration, thereby improved the terminal success rate for switching, and be conducive to guarantee the continuity of terminal business in handoff procedure.
On the basis of technique scheme, optional, described method also can comprise: obtain LTE base station disposal ability information.Described LTE base station disposal ability information comprises: a LTE base station disposal ability information or the 2nd LTE base station disposal ability information.A described LTE base station disposal ability information is used for expression LTE system base station and supports the disposal ability that FDD wireless access capability and TDD wireless access capability there are differences.Described the 2nd LTE base station disposal ability information is used at least one base station of expression LTE system and does not support the disposal ability that FDD wireless access capability and TDD wireless access capability there are differences.
If the LTE base station disposal ability information of obtaining is a described LTE base station disposal ability, then generate the described first terminal wireless access capability reporting message.
If the LTE base station disposal ability information of obtaining is described the 2nd LTE base station disposal ability, then generate the second terminal wireless access capability reporting message; The described second terminal wireless access capability reporting message comprises Common Capability Set.Described Common Capability Set comprises: the LTE wireless access capability of described terminal, described LTE wireless access capability is supported FDD standard and TDD standard.For example: suppose in the LTE wireless capability of terminal support that the ability of certain FGI position regulation is supported FDD standard and TDD standard, then described Common Capability Set comprises the ability of this FGI position regulation; If the ability of this FGI position regulation is supported the FDD standard but is not supported the TDD standard that perhaps, the ability of this FGI position regulation is supported the TDD standard but do not support the FDD standard that then described Common Capability Set does not comprise the ability of this FGI position regulation.So the benefit of handling is: when target BS was not supported disposal ability that FDD wireless access capability and TDD wireless access capability there are differences, the LTE ability that target BS is given tacit consent to its terminal of obtaining was exactly that terminal is in the actual LTE ability of objective network.If terminal is in the actual LTE ability of objective network, the LTE ability of the terminal of obtaining with target BS is different, and then target BS may mismatch and put the unsupported characteristic of this terminal, and then causes the terminal handoff failure.This technical scheme terminal reports source base station with Common Capability Set, source base station sends to target BS with Common Capability Set, so that target BS switches required resource according to the wireless access capability configurating terminal of Common Capability Set correspondence, improved success rate for switching thus.
The flow chart of the switchable resource collocation method that Fig. 2 provides for the embodiment of the invention two.The executive agent of the described method of present embodiment is: target BS.Method as shown in Figure 2 comprises:
21: obtain handover request; Described handover request comprises: source base station is to the LTE wireless access capability of the terminal of target BS transmission; Described target BS is the base station of FDD standard or TDD standard in the LTE system.
Terminal can be carried out the intrasystem switching of isomorphism.Under this situation, the source network at source base station place can be under the LTE system network with described objective network different communication standard.For example: source network is the FDD network of LTE system, and objective network is the TDD network of LTE system, and target BS is the base station of TDD standard in the LTE system; Perhaps, source network is the TDD network of LTE system, and objective network is the FDD network of LTE system, and target BS is the base station of FDD standard in the LTE system etc.
Perhaps, terminal can be carried out the switching between heterogeneous system.Under this situation, the source network at source base station place can be other system, as network of UMTS system etc.
Handover request can be sent to target BS through core net by source base station.
22: determine that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
23: according to the LTE wireless access capability of described terminal, for described terminal configuration is switched required resource.
The method that present embodiment provides, target BS can determine whether terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system, if there is not difference, then need not configuration that the LTE wireless access capability ability of carrying out of terminal is demoted to switch resource requirement, but directly carry out resource distribution according to the LTE wireless access capability of this terminal of obtaining from handover request.As seen, present embodiment is on the basis of improving handover success rate, target BS is that resource and this terminal of this terminal configuration mated at the actual LTE wireless access capability of objective network, therefore target BS need not to obtain terminal again at the actual LTE wireless access capability of objective network to terminal, has saved thus and has obtained terminal at the required signaling consumption of actual LTE wireless access capability of objective network.
In a kind of optional implementation, target BS can determine whether described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system according to the first information of terminal to report.
Optionally, described handover request also comprises: the first information; The described first information is used for the expression terminal in the FDD wireless access capability of LTE system support and the difference of TDD wireless access capability.Under this situation, target BS can determine whether described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system according to the described first information.
The described first information can comprise: first ability information or second ability information.Described first ability information, being used for the described terminal of expression does not have difference at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.Described second ability information is used for the described terminal of expression and there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.Under this situation, target BS can determine that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system when the described first information is described first ability information; Otherwise, determine that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.For example: target BS does not comprise described first ability information at the described first information, perhaps, when the described first information is described second ability information, determine that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
Optionally, described second ability information can be: the sign that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of LTE system support.For example: the value of RRC message predetermined characteristic group indication (Feature group indicators is called for short FGI) spare bits is 0, and it is different with the TDD wireless access capability at the FDD wireless access capability that the LTE system supports that terminal is stated in expression.Under this situation, optional, target BS can be that described terminal configuration is switched required resource according to the default capability set of acquiescence, and perhaps, target BS can obtain the corresponding default capability set of supporting with described terminal of LTE system version; According to the default capability set corresponding with the LTE system version of described terminal support, be that described terminal configuration is switched required resource.The default capability set of arbitrary LTE system version correspondence is: this LTE system version of network side acquiescence is supported the wireless access capability of FDD standard and TDD standard respectively.For example in a kind of optional implementation, network side can be given tacit consent to the ability of the 5th, 16,17 and 20 regulation, is the default capability set of R8 version correspondence, gives tacit consent to the 3rd, 5,16,17 and the ability of 20FGI position regulation, is the default capability set of R9 version correspondence; Etc..
Perhaps, optionally, described second ability information can comprise: at least one identification information, and each identification information is corresponding with each ability subclass that described terminal is supported, and each described ability subclass comprises one or more wireless access capabilities of each communication protocol version regulation of LTE system.For example: with the various wireless access capabilities of 1-30 FGI position definition in the R8 of the LTE system version, be divided into a plurality of ability subclass, wireless access capability as 1-19 FGI position definition divides an ability subclass into, the wireless access capability of 20-30 FGI position definition divides another ability subclass into, and each ability subclass has corresponding identification information separately.Under this situation, target BS is that described terminal configuration is switched required resource according to the ability subclass of described identification information correspondence.So handling making target BS when switching resource requirement for terminal configuration, is to carry out resource distribution according to the ability subclass of the actual support of terminal, has improved success rate for switching thus, also helps the continuity that guarantees terminal business in handoff procedure.
In the optional implementation of another kind, target BS also can determine whether described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system according to pre-configured information.
Optionally, described pre-configured information comprises: default LTE version.Described default LTE version is: the initial LTE system version that acquiescence FDD wireless access capability and TDD wireless access capability not there are differences.Under this situation, target BS can obtain the LTE system version that described terminal is supported; The LTE system version of supporting in described terminal be or is compatible when presetting the LTE version, determines that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Otherwise, determine that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Described default LTE version is: the initial LTE system version that acquiescence FDD wireless access capability and TDD wireless access capability not there are differences.For example: suppose that default version is R9, and the version of terminal support is R10, the compatible R9 of R10, so target BS determines that this terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
The Signalling exchange figure of the terminal switching method that Fig. 3 provides for the embodiment of the invention three.In the present embodiment application scenarios, the dual-mode terminal of terminal for supporting that two kinds of standards of FDD and TDD are communicated by letter, the source network of terminal is the FDD network of LTE system, the objective network that terminal need switch to is the TDD network of LTE system.As shown in Figure 3, terminal switching method comprises:
31: source base station sends the terminal capability query requests to terminal.
32: terminal sends the first terminal wireless access capability reporting message to source base station, and the described first terminal wireless access capability reporting message comprises: the first information.
Above-mentioned terminal capability query requests and the described first terminal wireless access capability reporting message all are based on RRC message and transmit.
In the LTE system, terminal in the FGI position of RRC message, the LTE ability information of carried terminal.For example in the R8 version of LTE system, defined 32 FGI positions, 1-30 FGI position be the various wireless access capabilities that can realize stage by stage of corresponding R8 version prescribed terminal respectively, and 31-32 FGI position is spare bits; Therefore, the described terminal LTE wireless access capability of present embodiment different information is carried in the above-mentioned spare bits of Radio Resource control (Radio Resource Control is called for short RRC) message.
For example: can adopt 1 FGI spare bits to represent the described first information.As adopt the 31st FGI position in the R8 version carry as described in the first information; When the value of this FGI spare bits is 1, can represent that the described first information is described first ability information, namely described terminal does not have difference at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; When the value of this FGI spare bits is 0, represent that then the described first information is described second ability information, namely described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
Again for example: can adopt a plurality of FGI spare bits to represent the described first information.As the LTE system version of supposing the terminal support is the R10 version, and the common compatible lowest version of the highest version of LTE system is as R10 edition compatibility R8 and R9 version.Under this situation, arbitrary FGI spare bits among 31-32 FGI spare bits that can adopt that R8 and R9 introduce and the 117-132 of R10 version introducing is represented the described first information of terminal under R10, R9 and R8 version respectively.If terminal is in the LTE wireless capability that the R10 version is introduced, FDD wireless access capability and TDD wireless access capability are variant, but do not have difference at R8 and R9 version, then 31-32 FGI spare bits can be set to 1 respectively, and arbitrary FGI spare bits is set to 0 among the 117-132.
Perhaps, the described first information of present embodiment also is carried in the newly-increased cell of RRC message.For example: in the cell " UE-EUTRA-Capability " of RRC message, increase an IE again newly, in newly-increased IE, carry the described first information.Optionally, if include this newly-increased IE in the RRC message, represent that then the described first information is first ability information, namely described terminal does not have difference at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; If in the RRC message, do not comprise the IE that this is newly-increased, represent that then described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
33: source base station sends the terminal ability information indication to the core network side apparatus, and described terminal ability information indication comprises the described first information.
34: the core network side apparatus is preserved the described first information.
35: source base station carries out switch decision, whether needs to switch to the residential quarter that target BS covers to determine terminal; If desired, carry out 36; Otherwise, not triggering switching flow, this terminal still resides in the residential quarter that source base station covers.
36-37: source base station sends handover request through the core network side apparatus to target BS, and this handover request comprises: the LTE wireless access capability of terminal and the described first information.
38: target BS determines according to the described first information whether described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system, according to determining that the result is the required resource of terminal configuration switching in different ways.
If target BS is determined described terminal and not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system, then the LTE wireless access capability of the terminal that comprises according to described handover request of target BS is that terminal configuration is switched required resource.Under this situation, because target BS has known that terminal is at the actual wireless access capability of objective network, therefore, after the terminal switching is finished, target BS need not to repeat to obtain to terminal again, save target BS thus and obtained the required signaling consumption of terminal actual wireless access capability, saved signal resource.
Optionally, there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system if target BS is determined described terminal, target BS can be according to the ability subclass of default configuration, for terminal configuration is switched required resource.Under this situation, after the terminal switching was finished, target BS can obtain described terminal at the actual wireless access capability of objective network to terminal, and according to the actual wireless access capability of described terminal at objective network, was that terminal is upgraded resource allocation.
Perhaps, optionally, if target BS is determined described terminal and be there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system, target BS can obtain the corresponding default capability set of supporting with described terminal of LTE system version according to the LTE system version of setting up in advance and the mapping relations between the default capability set; And according to the described default capability set that obtains, for described terminal configuration is switched required resource.Under this situation, after the terminal switching was finished, target BS can obtain described terminal at the actual wireless access capability of objective network to terminal, and according to the actual wireless access capability of described terminal at objective network, was that terminal is upgraded resource allocation.
39: target BS sends switching request response to the core network side apparatus, and described switching request response comprises: terminal is switched the configuration information of resource requirement.
310: the core network side apparatus sends switching command to source base station, and described switching command comprises: terminal is switched the configuration information of resource requirement.
311: source base station sends the configuration information that described terminal is switched resource requirement to terminal, and indicating terminal switches to target BS.
Before the present embodiment terminal switches to the target TDD network of LTE system from the source FDD network of LTE system, terminal is to source base station reporting terminal LTE wireless access capability different information, makes target BS can know whether FDD wireless access capability and TDD wireless access capability there are differences in the LTE system of terminal support.When terminal need be switched, source base station can send to target BS with the LTE capacity variance information of terminal, so that target BS switches required resource according to described first information configurating terminal, improve the terminal success rate for switching, and be conducive to guarantee the continuity of terminal business in handoff procedure.
Replace in the execution mode one of present embodiment, optionally, described second ability information can comprise: at least one identification information, each identification information is corresponding with each ability subclass that described terminal is supported, each described ability subclass comprises: one or more wireless access capabilities of each communication protocol version regulation of LTE system.For example: with the various wireless access capabilities of 1-30 FGI position definition in the R8 of the LTE system version, be divided into a plurality of ability subclass, wireless access capability as 1-19 FGI position definition divides an ability subclass into, the wireless access capability of 20-30 FGI position definition divides another ability subclass into, and each ability subclass has corresponding identification information separately.
Terminal can be carried at described identification information in the above-mentioned spare bits of RRC message, reports source base station.For example: can adopt one or more FGI spare bits, carry the identification information of at least one ability subclass of described terminal support.For example: can be with arbitrary FGI spare bits among 31-32 FGI spare bits, the 117-132, the identification information of the ability subclass in R8, R9 and R10 version, supported of carried terminal respectively.Perhaps, can adopt the newly-increased cell of RRC message, carry the identification information of at least one ability subclass of described terminal support.
The handover request that sends to target BS through the core network side apparatus when source base station, when including the identification information of at least one ability subclass that described terminal supports, target BS determines that described terminal there are differences at the FDD of LTE system wireless access capability and TDD wireless access capability, according to the ability subclass of described identification information correspondence, for described terminal configuration is switched required resource.After the terminal switching was finished, target BS can obtain described terminal at the wireless access capability of the actual support of objective network to terminal, and according to the wireless access capability of described terminal in the actual support of objective network, was that described terminal is upgraded resource allocation.
Another is replaced in the execution mode at present embodiment, and is optional, and terminal also can be obtained LTE base station disposal ability information to source base station before generating the described first terminal wireless access capability reporting message.Described LTE base station disposal ability information comprises: a LTE base station disposal ability information or the 2nd LTE base station disposal ability information.A described LTE base station disposal ability information is used for expression LTE system base station and supports the disposal ability that FDD wireless access capability and TDD wireless access capability there are differences.Described the 2nd LTE base station disposal ability information is used at least one base station of expression LTE system and does not support the disposal ability that FDD wireless access capability and TDD wireless access capability there are differences.
If the LTE base station disposal ability information of obtaining is a described LTE base station disposal ability, then generate the described first terminal wireless access capability reporting message, the described first terminal wireless access capability reporting message transmits based on RRC message; Its follow-up execution flow process as shown in Figure 3.
If the LTE base station disposal ability information of obtaining is described the 2nd LTE base station disposal ability, then generate the described second terminal wireless access capability reporting message; The described second terminal wireless access capability reporting message transmits based on RRC message, and the described second terminal wireless access capability reporting message comprises Common Capability Set, and described Common Capability Set comprises described terminal common FDD wireless access capability and TDD wireless access capability of supporting in the LTE system.Under this situation, target BS does not carry out the similar above-mentioned 38 described judgements of terminal, but give tacit consent to this Common Capability Set be described terminal at the actual wireless access capability of objective network, and be that described terminal configuration is switched required resource according to this Common Capability Set.
Optionally, described LTE base station disposal ability information is carried in the system message, sends to terminal; Perhaps, described LTE base station disposal ability information is carried in specific messages, as is carried at source base station in the terminal capability query requests of terminal transmission, sends to terminal.For example: described LTE base station disposal ability information, can represent by newly-increased cell in the terminal capability query requests, if the terminal capability query requests comprises the cell that this is newly-increased, then represent the disposal ability that LTE base station support FDD wireless access capability and TDD wireless access capability there are differences, be a LTE base station disposal ability; If the terminal capability query requests does not comprise this cell, represent that then the LTE base station do not support the disposal ability that FDD wireless access capability and TDD wireless access capability there are differences, be the 2nd LTE base station disposal ability.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that describes in detail among certain embodiment, can be referring to the associated description of other embodiment.
In addition, one of ordinary skill in the art will appreciate that: the embodiment of the invention can be applicable to terminal and switches to the scene of the FDD network of LTE system or TDD network from source network, wherein, described source network can be in the LTE system the arbitrary network with the objective network different systems, perhaps, described source network can be the network that the heterogeneous system of LTE system comprises, as universal mobile telecommunications system (Universal Mobile Telecommunications System, be called for short UMTS) or UMTS Terrestrial radio access network (the Evolved UMTS Terrestrial Radio Access Network of evolution, be called for short E-UTRAN) etc. in the scene, its implementation is similar, does not repeat them here.
The structural representation of the terminal that Fig. 4 provides for the embodiment of the invention four.The terminal that present embodiment provides can be used for realizing method as shown in Figure 1.Terminal as shown in Figure 4 comprises: generation unit 41 and transmitter 42.
Optionally, described terminal also can comprise: receiver 43.
Described receiver 43 can be used for obtaining LTE base station disposal ability information;
Described generation unit 41 can be specifically be used for generating the described first terminal wireless access capability reporting message when described LTE base station disposal ability information is a LTE base station disposal ability information; A described LTE base station disposal ability information is used for expression LTE system base station and supports the disposal ability that FDD wireless access capability and TDD wireless access capability there are differences.
Described generation unit 41 also is used for generating the second terminal wireless access capability reporting message when described LTE base station disposal ability information is the 2nd LTE base station disposal ability information; Described the 2nd LTE base station disposal ability information is used at least one base station of expression LTE system and does not support the disposal ability that FDD wireless access capability and TDD wireless access capability there are differences; The described second terminal wireless access capability reporting message comprises Common Capability Set, and described Common Capability Set comprises the LTE wireless access capability of described terminal, and described LTE wireless access capability is supported FDD standard and TDD standard.
Described transmitter 42 also is used for sending the described second terminal wireless access capability reporting message to described source base station.
The terminal that present embodiment provides can report the first information to network side, makes network side can know whether FDD wireless access capability and TDD wireless access capability there are differences in the LTE system of terminal support.When terminal need be switched, network side can be according to the described first information, and specific aim is switched required resource for this terminal configuration, thereby has improved the terminal success rate for switching, and was conducive to guarantee the continuity of terminal business in handoff procedure.The working mechanism of the terminal that present embodiment provides can not repeat them here referring to Fig. 1 or Fig. 3 about the corresponding record of terminal.
The structural representation of the base station that Fig. 5 provides for the embodiment of the invention five.The base station that present embodiment provides can be used as the target BS of described terminal, is used for realization method as shown in Figure 2.Base station as shown in Figure 5 comprises: receiver 51, terminal capability determining unit 52 and resource configuration unit 53.
Terminal capability determining unit 52 is used for determining that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system;
The LTE wireless access capability that resource configuration unit 53 is used for according to described terminal is for described terminal configuration is switched required resource.
Optionally, described handover request also comprises: the first information; The described first information is used for the expression terminal in the FDD wireless access capability of LTE system support and the difference of TDD wireless access capability.Under this situation, described terminal capability determining unit 52 specifically can be used for according to the described first information, determines whether described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
Optionally, described terminal capability determining unit 52 when specifically being used in the described first information and being first ability information, determines that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Otherwise, determine that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Described first ability information, being used for the described terminal of expression does not have difference at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.For example: described terminal capability determining unit 52, do not comprise described first ability information at the described first information, perhaps, when the described first information is described second ability information, determine that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
Optionally, described second ability information comprises: at least one identification information, each identification information is corresponding with each ability subclass that described terminal is supported, each described ability subclass comprises: one or more wireless access capabilities of each communication protocol version regulation of LTE system.Under this situation, described resource configuration unit also is used for when the described first information is described second ability information, according to the ability subclass of described identification information correspondence, is that described terminal configuration is switched required resource.
Optionally, described terminal capability determining unit, concrete be used for obtaining LTE system version that LTE system version that described terminal supports supports in described terminal for or during compatible default LTE version, determine that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Otherwise, determine that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Described default LTE version is: the initial LTE system version that acquiescence FDD wireless access capability and TDD wireless access capability not there are differences.
Optionally, described resource configuration unit also is used for obtaining the LTE system version that described terminal is supported when described terminal capability determining unit is determined there are differences; According to the LTE system version of setting up in advance and the mapping relations between the default capability set, obtain the corresponding default capability set of supporting with described terminal of LTE system version; According to the described default capability set that obtains, for described terminal configuration is switched required resource.The default capability set of arbitrary LTE system version correspondence is: this LTE system version of network side acquiescence is supported the wireless access capability of FDD standard and TDD standard respectively.
During the target BS that switches as terminal in the LTE system base station that present embodiment provides, can determine whether terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system, if there is not difference, then need not configuration that the LTE wireless access capability ability of carrying out of terminal is demoted to switch resource requirement, but directly carry out resource distribution according to the LTE wireless access capability of this terminal of obtaining from handover request.As seen, present embodiment is on the basis of improving handover success rate, target BS is that resource and this terminal of this terminal configuration mated at the actual LTE wireless access capability of objective network, therefore target BS need not to obtain terminal again at the actual LTE wireless access capability of objective network to terminal, has saved thus and has obtained terminal at the required signaling consumption of actual LTE wireless access capability of objective network.The working mechanism of the base station that present embodiment provides can not repeat them here referring to Fig. 2 or Fig. 3 about the corresponding record of target BS.
The structural representation of the communication system that Fig. 6 provides for the embodiment of the invention six.Communication system as shown in Figure 6 comprises: terminal 61, source base station 62 and target BS 63.Wherein: the structure of terminal and attainable technique effect thereof can be referring to the records of the corresponding embodiment of Fig. 4, and its working mechanism can be referring to the corresponding record of Fig. 1-3 about terminal; Source base station communicates to connect with described terminal and described target BS respectively, and its working mechanism can be referring to the corresponding record of Fig. 1-3 about source base station; The structure of target BS and attainable technique effect thereof can be referring to the records of the corresponding embodiment of Fig. 5, and its working mechanism can be referring to the corresponding record of Fig. 1-3 about target BS; Do not repeat them here.
In addition, each functional unit in each embodiment of the present invention can be integrated in the unit, also can be that the independent physics of each functional unit exists, or two or more functional units is integrated in the unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, the form that also can adopt hardware to add SFU software functional unit realizes.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, and the unit in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
One of ordinary skill in the art will appreciate that: the unit in the device among the embodiment can be described according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.A unit can be merged in the unit of above-described embodiment, also can further split into a plurality of subelements.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each method embodiment can be finished by the relevant hardware of program command.Aforesaid program can be stored in the computer read/write memory medium.This program is carried out the step that comprises above-mentioned each method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (23)
1. a terminal wireless access capability report method is characterized in that, comprising:
Generate the first terminal wireless access capability reporting message, the described first terminal wireless access capability reporting message comprises: the first information; The described first information is used for the expression terminal in the FDD wireless access capability of LTE system support and the difference of TDD wireless access capability;
Send the described first terminal wireless access capability reporting message to source base station.
2. method according to claim 1 is characterized in that, the described first information comprises:
First ability information, being used for the described terminal of expression does not have difference at described FDD wireless access capability and the described TDD wireless access capability of the support of described LTE system; Perhaps,
Second ability information is used for the described terminal of expression and there are differences at described FDD wireless access capability and the described TDD wireless access capability of the support of described LTE system.
3. method according to claim 2, it is characterized in that, described second ability information comprises: at least one identification information, each identification information is corresponding with each ability subclass that described terminal is supported, each described ability subclass comprises: one or more wireless access capabilities of each communication protocol version regulation of LTE system.
4. according to the arbitrary described method of claim 1-3, it is characterized in that,
Described method also comprises: obtain LTE base station disposal ability information;
Generating the described first terminal wireless access capability reporting message comprises: when described LTE base station disposal ability information is a LTE base station disposal ability information, generate the described first terminal wireless access capability reporting message; A described LTE base station disposal ability information is used for expression LTE system base station and supports the disposal ability that FDD wireless access capability and TDD wireless access capability there are differences.
5. method according to claim 4 is characterized in that, described method also comprises:
When described LTE base station disposal ability information is the 2nd LTE base station disposal ability information, generates and send the second terminal wireless access capability reporting message to described source base station;
Described the 2nd LTE base station disposal ability information is used at least one base station of expression LTE system and does not support the disposal ability that FDD wireless access capability and TDD wireless access capability there are differences; The described second terminal wireless access capability reporting message comprises Common Capability Set, and described Common Capability Set comprises the LTE wireless access capability of described terminal, and described LTE wireless access capability is supported FDD standard and TDD standard.
6. a switchable resource collocation method is characterized in that, comprising:
Obtain handover request; Described handover request comprises: source base station is to the LTE wireless access capability of the terminal of target BS transmission; Described target BS is the base station of FDD standard or TDD standard in the LTE system;
Determine that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system;
According to the LTE wireless access capability of described terminal, for described terminal configuration is switched required resource.
7. method according to claim 6 is characterized in that,
Described handover request also comprises: the first information; The described first information is used for the expression terminal in the FDD wireless access capability of LTE system support and the difference of TDD wireless access capability;
Determine that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system, comprise: according to the described first information, determine that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
8. method according to claim 7 is characterized in that,
Determine that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system, comprising:
When the described first information is first ability information, determine that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Otherwise, determine that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Described first ability information, being used for the described terminal of expression does not have difference at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
9. method according to claim 8 is characterized in that, determines that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system, comprising:
When the described first information is second ability information, determine that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Described second ability information is used for the described terminal of expression and there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
10. method according to claim 9 is characterized in that,
Described second ability information comprises: at least one identification information, and each identification information is corresponding with each ability subclass that described terminal is supported, and each described ability subclass comprises: one or more wireless access capabilities of each communication protocol version regulation of LTE system;
Described method also comprises: when the described first information is described second ability information, be that described terminal configuration is switched required resource according to the ability subclass of described identification information correspondence.
11. method according to claim 6 is characterized in that, determines that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system, comprising:
Obtain the LTE system version that described terminal is supported;
The LTE system version of supporting in described terminal be or is compatible when presetting the LTE version, determines that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Otherwise, determine that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Described default LTE version is: the initial LTE system version that acquiescence FDD wireless access capability and TDD wireless access capability not there are differences.
12. method according to claim 6 is characterized in that, described method also comprises:
When the FDD wireless access capability of LTE system support and TDD wireless access capability there are differences, obtain the LTE system version that described terminal is supported determining described terminal;
According to the LTE system version of setting up in advance and the mapping relations between the default capability set, obtain the corresponding default capability set of supporting with described terminal of LTE system version;
According to the described default capability set that obtains, for described terminal configuration is switched required resource; The default capability set of arbitrary LTE system version correspondence is: this LTE system version of network side acquiescence is supported the wireless access capability of FDD standard and TDD standard respectively.
13. a terminal is characterized in that, comprising:
Generation unit is used for generating the first terminal wireless access capability reporting message, and the described first terminal wireless access capability reporting message comprises: the first information; The described first information is used for the expression terminal in the FDD wireless access capability of LTE system support and the difference of TDD wireless access capability;
Transmitter is used for sending the described first terminal wireless access capability reporting message to source base station.
14. terminal according to claim 13 is characterized in that, also comprises: receiver;
Described receiver is used for obtaining LTE base station disposal ability information;
Described generation unit, concrete being used for generates the described first terminal wireless access capability reporting message when described LTE base station disposal ability information is a LTE base station disposal ability information; A described LTE base station disposal ability information is used for expression LTE system base station and supports the disposal ability that FDD wireless access capability and TDD wireless access capability there are differences.
15. terminal according to claim 13 is characterized in that,
Described generation unit also is used for generating the second terminal wireless access capability reporting message when described LTE base station disposal ability information is the 2nd LTE base station disposal ability information; Described the 2nd LTE base station disposal ability information is used at least one base station of expression LTE system and does not support the disposal ability that FDD wireless access capability and TDD wireless access capability there are differences; The described second terminal wireless access capability reporting message comprises Common Capability Set, and described Common Capability Set comprises the LTE wireless access capability of described terminal, and described LTE wireless access capability is supported FDD standard and TDD standard;
Described transmitter also is used for sending the described second terminal wireless access capability reporting message to described source base station.
16. a base station is characterized in that, comprising:
Receiver is used for obtaining handover request; Described handover request comprises: source base station is to the LTE wireless access capability of the terminal of target BS transmission; Described target BS is the base station of FDD standard or TDD standard in the LTE system;
The terminal capability determining unit is used for determining that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system;
Resource configuration unit is used for the LTE wireless access capability according to described terminal, for described terminal configuration is switched required resource.
17. base station according to claim 16 is characterized in that,
Described handover request also comprises: the first information; The described first information is used for the expression terminal in the FDD wireless access capability of LTE system support and the difference of TDD wireless access capability;
Described terminal capability determining unit, determines that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system at concrete being used for according to the described first information.
18. base station according to claim 17 is characterized in that,
Described terminal capability determining unit, concrete being used for determines that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system when the described first information is first ability information; Otherwise, determine that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Described first ability information, being used for the described terminal of expression does not have difference at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
19. base station according to claim 18 is characterized in that,
Described terminal capability determining unit, concrete being used for determines that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system when the described first information is second ability information; Described second ability information is used for the described terminal of expression and there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system.
20. base station according to claim 19 is characterized in that,
Described second ability information comprises: at least one identification information, and each identification information is corresponding with each ability subclass that described terminal is supported, and each described ability subclass comprises: one or more wireless access capabilities of each communication protocol version regulation of LTE system;
Described resource configuration unit also is used for when the described first information is described second ability information, is that described terminal configuration is switched required resource according to the ability subclass of described identification information correspondence.
21. base station according to claim 16 is characterized in that,
Described terminal capability determining unit, the concrete LTE system version that is used for obtaining described terminal support, the LTE system version of supporting in described terminal be or is compatible when presetting the LTE version, determines that described terminal not there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Otherwise, determine that described terminal there are differences at FDD wireless access capability and the TDD wireless access capability of the support of LTE system; Described default LTE version is: the initial LTE system version that acquiescence FDD wireless access capability and TDD wireless access capability not there are differences.
22. base station according to claim 16 is characterized in that,
Described resource configuration unit also is used for obtaining the LTE system version that described terminal is supported when described terminal capability determining unit is determined there are differences; According to the LTE system version of setting up in advance and the mapping relations between the default capability set, obtain the corresponding default capability set of supporting with described terminal of LTE system version; According to the described default capability set that obtains, for described terminal configuration is switched required resource; The default capability set of arbitrary LTE system version correspondence is: this LTE system version of network side acquiescence is supported the wireless access capability of FDD standard and TDD standard respectively.
23. a communication system is characterized in that, comprising:
Terminal is for as the arbitrary described terminal of claim 13-15;
Target BS is for as the arbitrary described base station of claim 16-22;
Source base station communicates to connect with described terminal and described target BS respectively.
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| CN 201110459268 CN103188745A (en) | 2011-12-31 | 2011-12-31 | Terminal wireless access capability reporting and switching resource allocation method, device and system |
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| CN 201110459268 CN103188745A (en) | 2011-12-31 | 2011-12-31 | Terminal wireless access capability reporting and switching resource allocation method, device and system |
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