CN101925089A - Multi-carrier parameter configuration method, system and device - Google Patents
Multi-carrier parameter configuration method, system and device Download PDFInfo
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- CN101925089A CN101925089A CN2009101623140A CN200910162314A CN101925089A CN 101925089 A CN101925089 A CN 101925089A CN 2009101623140 A CN2009101623140 A CN 2009101623140A CN 200910162314 A CN200910162314 A CN 200910162314A CN 101925089 A CN101925089 A CN 101925089A
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Abstract
The invention discloses a multi-carrier parameter configuration method, which comprises that: a base station selects a main carrier according to the set strategy; the base station acquires incremental configuration information of each member carrier relative to the complete configuration information of the main carrier; and the base station sends the complete configuration information of the main carrier and the incremental configuration information of each member carrier to UE so that the UE performs parameter configuration on each member carrier according to the complete configuration information and the incremental configuration information. In the method, the base station selects the main carrier according to the strategy and sends the complete configuration information of the main carrier and the incremental configuration information of each member carrier to the UE so as to realize multi-carrier activation; and compared with the method that the base station needs to send the complete carrier configuration information of all members to the UE in the prior art, the signaling overhead is saved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of mthods, systems and devices of multi-carrier parameter configuration.
Background technology
At 3GPP LTE (3rd Generation Partnership Project Long Term Evolution, third generation partner program Long Term Evolution) in system and the wireless communication system more early, only hold a carrier wave in the sub-district, the maximum bandwidth of carrier wave is 20MHz.In the LTE system, each sub-district has only a carrier wave, and when UE (User Equipment, subscriber equipment) was operated on this carrier wave, the base station can be at first all sends to UE with all parameters of this carrier wave, and UE is disposed fully according to all parameters.Afterwards, if some configuration need be changed in the base station, then only need carry out increment (delta) configuration to this carrier wave, the configuration information that the parameter of change promptly only will take place sends to UE, and UE only reconfigures the parameter that wherein comprises after receiving these generation parameter configuration, and to other parameters, then acquiescence does not change, if no special instructions, and the configuration before will continuing to use.
And in 3GPP LTE Advanced system, requiring descending peak rate to reach 1Gbps, up peak rate reaches 500Mbps, if terminal only uses a maximum bandwidth to carry out work as the 20MHz carrier wave, can't reach the peak rate requirement.Therefore, 3GPP LTE Advanced system need expand the bandwidth that can be used simultaneously by terminal, in a sub-district, comprise a plurality of carrier waves or with a plurality of single-carrier cell polymerizations, be Terminal Service, and introduce CA (Carrier Aggregation, carrier aggregation) technology, being about to continuous or discrete a plurality of carrier wave (being commonly referred to as member carrier) concentrates in together, when single carrier wave can't satisfy transmission rate request, be Terminal Service simultaneously, each carrier wave wherein all might be a sub-district (similar with the LTE definition).Generally speaking, can work under each member carrier in order to guarantee terminal, the bandwidth maximum of each member carrier is no more than 20MHz.Fig. 1 is the CA know-why schematic diagram of LTE-A, certain base station of LTE-A system exist down 4 can polymerization carrier wave.Transfer of data can be carried out with terminal simultaneously in the base station on 4 carrier waves, to improve message transmission rate.In a plurality of polymerizable carrier waves of LTE-A system, UE will at first connect with a carrier wave, enters connection status, and the base station is activated UE and carry out the CA transmission on a plurality of carrier waves according to service needed then.
In realizing process of the present invention, the inventor finds to have following shortcoming in the prior art at least:
The scheme that does not have the multi-carrier parameter configuration in the prior art, if single carrier parameter configuration scheme is directly used and multicarrier system, in multicarrier activation, the base station needs the complete configuration information of all member carriers is all sent to the activation that UE could realize member carrier, and the signaling consumption of system is higher.
Summary of the invention
The invention provides a kind of mthods, systems and devices of multi-carrier parameter configuration, saved signaling consumption.
The invention provides a kind of method of multi-carrier parameter configuration, comprising:
The base station is according to the policy selection main carrier of setting;
Described base station obtains the increment configuration information of each member carrier with respect to the complete configuration information of described main carrier;
Described base station sends to UE with the complete configuration information of described main carrier and the increment configuration information of each member carrier, makes described UE carry out parameter configuration according to described complete configuration information and increment configuration information to each member carrier.
Wherein, described base station comprises according to the policy selection main carrier of setting:
The carrier wave that the RRC of described base station selected carrying and described UE (Radio Resource Control, radio resource control) connects is as described main carrier; Or
Any one member carrier that described base station selected not carrying is connected with the RRC of described UE is as described main carrier; Or
A described base station selected virtual carrier is as described main carrier; Or
Described base station selected described UE is monitoring the carrier wave of its PDCCH channel as described main carrier.
Wherein, described base station sends to UE with the increment configuration information of the complete configuration information of described main carrier and described member carrier and comprises:
Described base station sends to described UE by newly-increased special RRC signaling with the complete configuration information of described main carrier and the increment configuration information of described member carrier; Or
Described base station sends to described UE by expanding existing special RRC signaling with the complete configuration information of described main carrier and the increment configuration information of described member carrier.
Wherein, described UE carries out after the parameter configuration all member carriers according to described complete configuration information and increment configuration information, if the parameter of member carrier changes arbitrarily, described method also comprises:
Member carrier after described base station gets parms and changes is with respect to the increment configuration information of the complete configuration information of described main carrier;
The increment configuration information of the member carrier of described base station after with parameter change sends to described UE, makes described UE carry out parameter modification according to this increment configuration information to member carrier.
Wherein, described UE carries out after the parameter configuration all member carriers according to described complete configuration information and increment configuration information, if the parameter of member carrier changes arbitrarily, described method also comprises:
The increment configuration information of the complete configuration information of the former member carrier of the member carrier after described base station gets parms and changes before with respect to parameter change;
The increment configuration information of the member carrier of described base station after with parameter change sends to UE, makes described UE carry out parameter modification according to this increment configuration information to member carrier.
The invention provides a kind of system that realizes the multi-carrier parameter configuration, comprise base station and UE, wherein,
Described base station is used for obtaining the increment configuration information of each member carrier with respect to the complete configuration information of described main carrier according to the policy selection main carrier of setting, and the complete configuration information of described main carrier and the increment configuration information of each member carrier are sent to UE;
Described UE is used for according to described complete configuration information and increment configuration information each member carrier being carried out parameter configuration.
The invention provides a kind of base station, comprising:
Selected cell is used for according to the policy selection main carrier of setting;
Acquiring unit is used to obtain the increment configuration information of each member carrier with respect to the complete configuration information of the main carrier of described selected cell selection;
Transmitting element, the increment configuration information that is used for each member carrier that complete configuration information and described acquiring unit with described main carrier obtain sends to UE, makes described UE carry out parameter configuration according to described complete configuration information and increment configuration information to each member carrier.
Wherein, described selected cell specifically is used for,
The carrier wave that the selection carrying is connected with the RRC of described UE is as described main carrier; Or
Select any one member carrier that carrying is connected with the RRC of described UE as described main carrier; Or
Select a virtual carrier as described main carrier; Or
Select described UE monitoring the carrier wave of its PDCCH channel as described main carrier.
Wherein, described transmitting element specifically is used for,
By newly-increased special RRC signaling the complete configuration information of described main carrier and the increment configuration information of described member carrier are sent to described UE; Or
By expanding existing special RRC signaling the complete configuration information of described main carrier and the increment configuration information of described member carrier are sent to described UE.
Wherein, if the parameter of member carrier changes arbitrarily,
Described acquiring unit, the member carrier after changing of also being used to get parms is with respect to the increment configuration information of the complete configuration information of described main carrier; Or the increment configuration information of the complete configuration information of the former member carrier of the member carrier after changing of getting parms before with respect to parameter change;
Described transmitting element, the increment configuration information of the member carrier behind the parameter change that also is used for described acquiring unit is obtained sends to described UE.
Compared with prior art, the present invention has the following advantages:
Among the present invention, the base station is according to the policy selection main carrier, the complete configuration information of main carrier and the increment configuration information of each member carrier are sent to UE, can realize that multicarrier activates, need the complete configuration information of all member carriers is all sent to the method for UE with respect to base station in the prior art, saved signaling consumption.
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.
Fig. 1 is a kind of CA know-why schematic diagram in the prior art of the present invention;
Fig. 2 is the method flow diagram of a kind of multi-carrier parameter configuration in the embodiment of the invention one;
Fig. 3 is the method flow diagram of a kind of multi-carrier parameter configuration in the embodiment of the invention two;
Fig. 4 is the method flow diagram of a kind of multi-carrier parameter configuration in the embodiment of the invention three;
Fig. 5 is the method flow diagram of a kind of multi-carrier parameter configuration in the embodiment of the invention four;
Fig. 6 is the method flow diagram of a kind of multi-carrier parameter configuration in the embodiment of the invention five;
Fig. 7 is the method flow diagram of a kind of multi-carrier parameter configuration in the embodiment of the invention six;
Fig. 8 is the method flow diagram of a kind of multi-carrier parameter configuration in the embodiment of the invention seven;
Fig. 9 is a kind of system construction drawing of realizing the multi-carrier parameter configuration in the embodiment of the invention eight;
Figure 10 is a kind of architecture of base station figure in the embodiment of the invention nine.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only 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 making the every other embodiment that is obtained under the creative work prerequisite.
The core thinking that the embodiment of the invention provides is: the base station is according to the policy selection main carrier, the complete configuration information of main carrier and the increment configuration information of each member carrier are sent to UE, can realize that multicarrier activates, need the complete configuration information of all member carriers is all sent to the method for UE with respect to base station in the prior art, saved signaling consumption.
The embodiment of the invention one provides a kind of method of multi-carrier parameter configuration, and detailed process may further comprise the steps as shown in Figure 2:
Step 201, the base station is according to the policy selection main carrier of setting.Concrete, the base station can be according to following policy selection main carrier:
1. the carrier wave that base station selected selection carrying is connected with the RRC of UE is as main carrier.
2. any one member carrier that base station selected not carrying is connected with the RRC of UE is as main carrier.
3. a base station selected virtual carrier is as described main carrier.
4. base station selected UE is monitoring the carrier wave of its PDCCH (Packet Dedicated Control Channel, grouping Dedicated Control Channel) as main carrier.
Step 202, base station are obtained the increment configuration information of each member carrier with respect to the complete configuration information of main carrier.
Step 203, the base station sends to UE with the complete configuration information of main carrier and the increment configuration information of each member carrier, makes UE carry out parameter configuration according to complete configuration information and increment configuration information to each member carrier.Concrete, the base station can or be expanded existing special RRC signaling by newly-increased special RRC signaling the complete configuration information of main carrier and the increment configuration information of member carrier are sent to UE.
After step 203, can also comprise: the member carrier after the base station gets parms and changes is with respect to the increment configuration information of the complete configuration information of main carrier, afterwards, the increment configuration information of the member carrier behind the parameter change is sent to UE, make UE carry out parameter modification to member carrier according to this increment configuration information.
After step 203, can also comprise: the increment configuration information of the complete configuration information of the former member carrier of the member carrier after the base station gets parms and changes before with respect to parameter change, afterwards, the increment configuration information of the member carrier behind the parameter change is sent to UE, make UE carry out parameter modification to member carrier according to this increment configuration information.
In the present embodiment, the base station is according to the policy selection main carrier, the complete configuration information of main carrier and the increment configuration information of each member carrier are sent to UE, can realize that multicarrier activates, need the complete configuration information of all member carriers is all sent to the method for UE with respect to base station in the prior art, saved signaling consumption.
Proposed the embodiment of the invention two on the basis of the method that embodiment one provides, among the embodiment two, had 4 carrier waves in the current LTE-A sub-district, be respectively carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4, UE has set up RRC by carrier wave 1 and base station and has been connected; Under another kind of application scenarios, carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4 also can exist down for current LTE-A base station 4 can polymerization carrier wave, belong to four different sub-districts respectively, the detailed process of the embodiment of the invention two may further comprise the steps as shown in Figure 3:
Concrete, the base station can judge whether that needs carry out multicarrier to UE and activate according to the business datum total amount that UE asked, if the business datum total amount of UE request, judges then that need carry out multicarrier to UE activates greater than preset threshold.Afterwards, the member carrier that needs activate can be determined according to the absolute figure of the business datum total amount that UE asked in the base station.In the present embodiment, the base station judges that the member carrier that needs to activate is carrier wave 1, carrier wave 2 and carrier wave 3.
The incrementation parameter configuration information of carrier wave 2,3 is meant information different with the configuration of carrier wave 1 on the carrier wave 2,3.For example, the measurement gap in the measurement configuration information of carrier wave 2 is different with carrier wave 1, and then the incrementation parameter configuration information of carrier wave 2 comprises the measurement gap configuration information of carrier wave 2; And the information identical on the carrier wave 2 with the parameter configuration of carrier wave 1, to in this incrementation parameter configuration information, not carry, for example, PDSCH in the physical layer configurations of carrier wave 2 (Physical Downlink Shared Channel, physical down link sharing channel) configuration information and carrier wave 1 is identical, does not then comprise the PDSCH configuration information of carrier wave 2 in the incrementation parameter configuration information of carrier wave 2.
In the present embodiment, the base station need send to UE with respect to the increment configuration information of carrier wave 1 with the complete configuration information of carrier wave 1 and carrier wave 2,3.Concrete, the base station can adopt newly-increased special RRC signaling as shown in table 1 that the complete configuration information of main carrier and the increment configuration information of member carrier are sent to UE.
Table 1
| Carrier index | Configuration information |
| Carrier wave 1 | The complete parameter configuration of carrier wave 1 |
| Carrier wave 2 | Carrier wave 2 is based on the incrementation parameter configuration information of carrier wave 1 |
| Carrier wave 3 | Carrier wave 3 is based on the incrementation parameter configuration information of carrier wave 1 |
In addition, except the special RRC signaling format shown in the table 1, can expand the RRC signaling (RRC connects reallocation message) of existing LTE in addition, only the IE (Information Element, information unit) to the configuration of needs differentiation carrier wave carries out the multicarrier expansion, in the present embodiment, if the parameter configuration difference of the measurement gap that has only on each carrier wave, then keeping on the existing RRC signaling format basis of invariable, only expanding measuring gap, as shown in table 2:
Table 2
| Carrier index | Configuration information |
| Carrier wave 1 | The perfect measurement gap configuration of carrier wave 1 |
| Carrier wave 2 | Carrier wave 2 is based on the increment measurement gap configuration of carrier wave 1 |
| Carrier wave 3 | Carrier wave 3 is based on the increment measurement gap configuration of carrier wave 1 |
In addition, some common configuration information for carrier wave 1,2 and 3, as SRB configuration, DRB configuration etc., the base station can be carried at it in complete configuration information of carrier wave 1 and notify UE, also can not distinguish carrier wave, by the RRC signaling these common configuration information are sent to UE, this part public information is what to separate with the specific configuration information of carrier wave 1,2 and 3 in same RRC signaling.
In the present embodiment, UE at first carries out parameter configuration according to the complete configuration information of carrier wave 1 to carrier wave 1; With respect to the increment configuration information of carrier wave 1 carrier wave 2 and carrier wave 3 are carried out parameter configuration according to carrier wave 2 and carrier wave 3 then, UE acquiescence not have the parameter of appearance to be the parameter identical with carrier wave 1 in carrier wave 2 and carrier wave 3 increment configuration informations, for these parameters, UE will be configured according to the parameter of carrier wave 1.
In the present embodiment, the base station is according to the policy selection main carrier, the complete configuration information of main carrier and the increment configuration information of each member carrier are sent to UE, can realize that multicarrier activates, need the complete configuration information of all member carriers is all sent to the method for UE with respect to base station in the prior art, saved signaling consumption.
Proposed the embodiment of the invention three on the basis of the method that embodiment one provides, among the embodiment three, had 4 carrier waves in the current LTE-A sub-district, be respectively carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4, UE has set up RRC by carrier wave 1 and base station and has been connected; Under another kind of application scenarios, carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4 also can exist down for current LTE-A base station 4 can polymerization carrier wave, belong to four different sub-districts respectively, the detailed process of the embodiment of the invention three may further comprise the steps as shown in Figure 4:
Concrete, the base station can judge whether that needs carry out multicarrier to UE and activate according to the business datum total amount that UE asked, if the business datum total amount of UE request, judges then that need carry out multicarrier to UE activates greater than preset threshold.Afterwards, the member carrier that needs activate can be determined according to the absolute figure of the business datum total amount that UE asked in the base station.In the present embodiment, the base station judges that the member carrier that needs to activate is carrier wave 1, carrier wave 2 and carrier wave 3.
In the present embodiment, base station selected carrier wave 2 is as main carrier.
In the present embodiment, the base station need send to UE with respect to the increment configuration information of carrier wave 2 with the complete configuration information of carrier wave 2 and carrier wave 1,3.Concrete, the base station can adopt special RRC signaling as shown in table 3 that the complete configuration information of main carrier and the increment configuration information of member carrier are sent to UE.
Table 3
| Carrier index | Configuration information |
| Carrier wave 2 | The complete parameter configuration of carrier wave 2 |
| Carrier wave 1 | Carrier wave 1 is based on the incrementation parameter configuration information of carrier wave 2 |
| Carrier wave 3 | Carrier wave 3 is based on the incrementation parameter configuration information of carrier wave 2 |
In addition, except the special RRC signaling format shown in the table 3, can expand the RRC signaling (RRC connects reallocation message) of existing LTE in addition, only the IE to the configuration of needs differentiation carrier wave carries out the multicarrier expansion, in the present embodiment, if the parameter configuration difference of the measurement gap that has only on each carrier wave is then keeping on the existing RRC signaling format basis of invariable, only expand measuring gap, as shown in table 4:
Table 4
| Carrier index | Configuration information |
| Carrier wave 2 | The perfect measurement gap configuration of carrier wave 2 |
| Carrier wave 1 | Carrier wave 1 is based on the increment measurement gap configuration of carrier wave 2 |
| Carrier wave 3 | Carrier wave 3 is based on the increment measurement gap configuration of carrier wave 2 |
In addition, some common configuration information for carrier wave 1,2 and 3, as SRB configuration, DRB configuration etc., the base station can be carried at it in complete configuration information of carrier wave 2 and notify UE, also can not distinguish carrier wave, by the RRC signaling these common configuration information are sent to UE, this part public information is what to separate with the specific configuration information of carrier wave 1,2 and 3 in same RRC signaling.
In the present embodiment, UE at first carries out parameter configuration according to the complete configuration information of carrier wave 2 to carrier wave 2; With respect to the increment configuration information of carrier wave 2 carrier wave 1 and carrier wave 3 are carried out parameter configuration according to carrier wave 1 and carrier wave 3 then, UE acquiescence not have the parameter of appearance to be the parameter identical with carrier wave 2 in carrier wave 1 and carrier wave 3 increment configuration informations, for these parameters, UE will be configured according to the parameter of carrier wave 2.
In the present embodiment, the base station is according to the policy selection main carrier, the complete configuration information of main carrier and the increment configuration information of each member carrier are sent to UE, can realize that multicarrier activates, need the complete configuration information of all member carriers is all sent to the method for UE with respect to base station in the prior art, saved signaling consumption.
Proposed the embodiment of the invention four on the basis of the method that embodiment one provides, among the embodiment four, had 4 carrier waves in the current LTE-A sub-district, be respectively carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4, UE has set up RRC by carrier wave 1 and base station and has been connected; Under another kind of application scenarios, carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4 also can exist down for current LTE-A base station 4 can polymerization carrier wave, belong to four different sub-districts respectively, the detailed process of the embodiment of the invention four may further comprise the steps as shown in Figure 5:
Concrete, the base station can judge whether that needs carry out multicarrier to UE and activate according to the business datum total amount that UE asked, if the business datum total amount of UE request, judges then that need carry out multicarrier to UE activates greater than preset threshold.Afterwards, the member carrier that needs activate can be determined according to the absolute figure of the business datum total amount that UE asked in the base station.In the present embodiment, the base station judges that the member carrier that needs to activate is carrier wave 1, carrier wave 2 and carrier wave 3.
In the present embodiment, the base station need send to UE with respect to the increment configuration information of virtual carrier 0 with the complete configuration information of virtual carrier 0 and carrier wave 1,2,3.Concrete, the base station can adopt special RRC signaling as shown in table 5 that the complete configuration information of main carrier and the increment configuration information of member carrier are sent to UE.
Table 5
| Carrier index | Configuration information |
| Carrier wave 0 (virtual carrier) | The complete parameter configuration of carrier wave 0 |
| Carrier wave 1 | Carrier wave 1 is based on the incrementation parameter configuration information of carrier wave 0 |
| Carrier wave 2 | Carrier wave 2 is based on the incrementation parameter configuration information of carrier wave 0 |
| Carrier wave 3 | Carrier wave 3 is based on the incrementation parameter configuration information of carrier wave 0 |
In addition, except the special RRC signaling format shown in the table 5, can expand the RRC signaling (RRC connects reallocation message) of existing LTE in addition, only the IE to the configuration of needs differentiation carrier wave carries out the multicarrier expansion, in the present embodiment, if the parameter configuration difference of the measurement gap that has only on each carrier wave is then keeping on the existing RRC signaling format basis of invariable, only expand measuring gap, as shown in table 6:
Table 6
| Carrier index | Configuration information |
| Carrier wave 0 (virtual carrier) | The perfect measurement gap configuration of carrier wave 0 |
| Carrier wave 1 | Carrier wave 1 is based on the increment measurement gap configuration of carrier wave 0 |
| Carrier wave 2 | Carrier wave 2 is based on the increment measurement gap configuration of carrier wave 0 |
| Carrier wave 3 | Carrier wave 3 is based on the increment measurement gap configuration of carrier wave 0 |
In addition, some common configuration information for carrier wave 1,2 and 3, as SRB configuration, DRB configuration etc., the base station can be carried at it in complete configuration information of carrier wave 0 and notify UE, also can not distinguish carrier wave, by the RRC signaling these common configuration information are sent to UE, this part public information is what to separate with the specific configuration information of carrier wave 1,2 and 3 in same RRC signaling.
In the present embodiment, UE carries out parameter configuration with respect to the increment configuration information of virtual carrier 0 to carrier wave 1, carrier wave 2 and carrier wave 3 according to carrier wave 1, carrier wave 2 and carrier wave 3, UE acquiescence not have the parameter of appearance to be the parameter identical with virtual carrier 0 in carrier wave 1, carrier wave 2 and carrier wave 3 increment configuration informations, for these parameters, UE will be configured according to the parameter of virtual carrier 0.
In the present embodiment, the base station is according to the policy selection main carrier, the complete configuration information of main carrier and the increment configuration information of each member carrier are sent to UE, can realize that multicarrier activates, need the complete configuration information of all member carriers is all sent to the method for UE with respect to base station in the prior art, saved signaling consumption.
The embodiment of the invention five has been proposed on the basis of the method that embodiment one provides, among the embodiment five, there are 4 carrier waves in the current LTE-A sub-district, be respectively carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4, UE has set up RRC by carrier wave 1 and base station and has been connected, and UE is just at the PDCCH of monitoring carrier wave 1 channel; Under another kind of application scenarios, carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4 also can exist down for current LTE-A base station 4 can polymerization carrier wave, belong to four different sub-districts respectively, the detailed process of the embodiment of the invention five may further comprise the steps as shown in Figure 6:
Step 601, the base station judges that according to the strategy of setting needs carry out multicarrier to UE and activate, and definite member carrier that need activate.
Concrete, the base station can judge whether that needs carry out multicarrier to UE and activate according to the business datum total amount that UE asked, if the business datum total amount of UE request, judges then that need carry out multicarrier to UE activates greater than preset threshold.Afterwards, the member carrier that needs activate can be determined according to the absolute figure of the business datum total amount that UE asked in the base station.In the present embodiment, the base station judges that the member carrier that needs to activate is carrier wave 1, carrier wave 2 and carrier wave 3.
Step 602, base station selected UE is monitoring the carrier wave 1 of its PDCCH channel as main carrier.
Step 603, base station are obtained the increment configuration information of each member carrier with respect to the complete configuration information of carrier wave 1.In the present embodiment, the base station need obtain carrier wave 1 and the carrier wave 2 increment configuration information with respect to carrier wave 3.
Step 604, the base station sends to UE with the complete configuration information of carrier wave 1 and the increment configuration information of each member carrier.
In the present embodiment, the base station need send to UE with respect to the increment configuration information of carrier wave 1 with the complete configuration information of carrier wave 1 and carrier wave 2,3.Concrete, the base station can adopt special RRC signaling as shown in table 7 that the complete configuration information of main carrier and the increment configuration information of member carrier are sent to UE.
Table 7
| Carrier index | Configuration information |
| Carrier wave 1 | The complete parameter configuration of carrier wave 1 |
| Carrier wave 2 | Carrier wave 2 is based on the incrementation parameter configuration information of carrier wave 1 |
| Carrier wave 3 | Carrier wave 3 is based on the incrementation parameter configuration information of carrier wave 1 |
In addition, except the special RRC signaling format shown in the table 7, can expand the RRC signaling (RRC connects reallocation message) of existing LTE in addition, only the IE to the configuration of needs differentiation carrier wave carries out the multicarrier expansion, in the present embodiment, if the parameter configuration difference of the measurement gap that has only on each carrier wave is then keeping on the existing RRC signaling format basis of invariable, only expand measuring gap, as shown in table 8:
Table 8
| Carrier index | Configuration information |
| Carrier wave 1 | The perfect measurement gap configuration of carrier wave 1 |
| Carrier wave 2 | Carrier wave 2 is based on the increment measurement gap configuration of carrier wave 1 |
| Carrier wave 3 | Carrier wave 3 is based on the increment measurement gap configuration of carrier wave 1 |
In addition, some common configuration information for carrier wave 1,2 and 3, as SRB configuration, DRB configuration etc., the base station can be carried at it in complete configuration information of carrier wave 1 and notify UE, also can not distinguish carrier wave, by the RRC signaling these common configuration information are sent to UE, this part public information is what to separate with the specific configuration information of carrier wave 1,2 and 3 in same RRC signaling.
Step 605, UE carries out parameter configuration to each member carrier.
In the present embodiment, UE at first carries out parameter configuration according to the complete configuration information of carrier wave 1 to carrier wave 1; With respect to the increment configuration information of carrier wave 1 carrier wave 2 and carrier wave 3 are carried out parameter configuration according to carrier wave 2 and carrier wave 3 then, UE acquiescence not have the parameter of appearance to be the parameter identical with carrier wave 1 in carrier wave 2 and carrier wave 3 increment configuration informations, for these parameters, UE will be configured according to the parameter of carrier wave 1.
In the present embodiment, the base station is according to the policy selection main carrier, the complete configuration information of main carrier and the increment configuration information of each member carrier are sent to UE, can realize that multicarrier activates, need the complete configuration information of all member carriers is all sent to the method for UE with respect to base station in the prior art, saved signaling consumption.
The embodiment of the invention six has been proposed on the basis of the method that above embodiment provides, implement in six, have 4 carrier waves in the current LTE-A sub-district, be respectively carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4, UE carries out the multicarrier transfer of data by carrier wave 1, carrier wave 2, carrier wave 3 with the base station; Under another kind of application scenarios, carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4 also can exist down for current LTE-A base station 4 can polymerization carrier wave, belong to four different sub-districts respectively, the detailed process of the embodiment of the invention six may further comprise the steps as shown in Figure 7:
In the present embodiment, activate the stage at multicarrier, base station selected carrier wave 1 is as main carrier, then base station amended carrier wave 1, carrier wave 2, the carrier wave 3 increment configuration information with respect to primary carrier 1 that gets parms.
In the present embodiment, the base station need send to UE with respect to the increment configuration information of primary carrier 1 with the carrier wave behind the parameter modification 1, carrier wave 2, carrier wave 3.Concrete, the base station can adopt special RRC signaling as shown in table 9 that the increment configuration information is sent to UE.
Table 9
| Carrier index | Configuration information |
| Carrier wave 1 | Carrier wave 1 is based on the incrementation parameter configuration information of primary carrier 1 |
| Carrier wave 2 | Carrier wave 2 is based on the incrementation parameter configuration information of primary carrier 1 |
| Carrier wave 3 | Carrier wave 3 is based on the incrementation parameter configuration information of primary carrier 1 |
In addition, except the special RRC signaling format shown in the table 9, can expand the RRC signaling (RRC connects reallocation message) of existing LTE in addition, only the IE to the configuration of needs differentiation carrier wave carries out the multicarrier expansion, in the present embodiment, if the parameter configuration difference of the measurement gap that has only on each carrier wave is then keeping on the existing RRC signaling format basis of invariable, only expand measuring gap, as shown in table 10:
Table 10
| Carrier index | Configuration information |
| Carrier wave 1 | Carrier wave 1 is based on the increment measurement gap configuration of primary carrier 1 |
| Carrier wave 2 | Carrier wave 2 is based on the increment measurement gap configuration of primary carrier 1 |
| Carrier wave 3 | Carrier wave 3 is based on the increment measurement gap configuration of primary carrier 1 |
The embodiment of the invention seven has been proposed on the basis of the method that above embodiment provides, implement in seven, have 4 carrier waves in the current LTE-A sub-district, be respectively carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4, UE carries out the multicarrier transfer of data by carrier wave 1, carrier wave 2, carrier wave 3 with the base station; Under another kind of application scenarios, carrier wave 1, carrier wave 2, carrier wave 3 and carrier wave 4 also can exist down for current LTE-A base station 4 can polymerization carrier wave, belong to four different sub-districts respectively, the detailed process of the embodiment of the invention seven may further comprise the steps as shown in Figure 8:
Step 801, the base station judges that according to the strategy of setting needs carry out parameter modification to carrier wave 1, carrier wave 2, carrier wave 3.
Step 802, base station are obtained carrier wave 1 behind the parameter modification respectively, carrier wave 2, the carrier wave 3 increment configuration information with respect to primary carrier 1, primary carrier 2, primary carrier 3.
Concrete, the base station can adopt special RRC signaling as shown in table 11 that the increment configuration information is sent to UE.
Table 11
| Carrier index | Configuration information |
| Carrier wave 1 | Carrier wave 1 is based on the incrementation parameter configuration information of primary carrier 1 |
| Carrier wave 2 | Carrier wave 2 is based on the incrementation parameter configuration information of primary carrier 2 |
| Carrier wave 3 | Carrier wave 3 is based on the incrementation parameter configuration information of primary carrier 3 |
In addition, except the special RRC signaling format shown in the table 11, can expand the RRC signaling (RRC connects reallocation message) of existing LTE in addition, only the IE to the configuration of needs differentiation carrier wave carries out the multicarrier expansion, in the present embodiment, if the parameter configuration difference of the measurement gap that has only on each carrier wave is then keeping on the existing RRC signaling format basis of invariable, only expand measuring gap, as shown in table 12:
Table 12
| Carrier index | Configuration information |
| Carrier wave 1 | Carrier wave 1 is based on the increment measurement gap configuration of primary carrier 1 |
| Carrier wave 2 | Carrier wave 2 is based on the increment measurement gap configuration of primary carrier 2 |
| Carrier wave 3 | Carrier wave 3 is based on the increment measurement gap configuration of primary carrier 3 |
Step 803, the base station sends to UE with the increment configuration information of carrier wave 1, carrier wave 2, carrier wave 3.
Step 804, UE carries out parameter modification according to the increment configuration information that obtains to carrier wave 1, carrier wave 2, carrier wave 3.
The embodiment of the invention eight provides a kind of system that realizes the multi-carrier parameter configuration, as shown in Figure 9, comprises base station 901 and UE 902, wherein:
Concrete, the carrier wave that is connected with the RRC of UE 902 can be selected to carry as main carrier in base station 901; Or select any one member carrier that carrying is connected with the RRC of UE 902 as main carrier; Or select a virtual carrier as main carrier; Or select UE 902 monitoring the carrier wave of its PDCCH channel as main carrier.
Concrete, base station 901 can send to UE 902 with the complete configuration information of main carrier and the increment configuration information of member carrier by newly-increased special RRC signaling; Or the complete configuration information of main carrier and the increment configuration information of member carrier are sent to UE 902 by expanding existing special RRC signaling.
In the present embodiment, the base station is according to the policy selection main carrier, the complete configuration information of main carrier and the increment configuration information of each member carrier are sent to UE, can realize that multicarrier activates, need the complete configuration information of all member carriers is all sent to the method for UE with respect to base station in the prior art, saved signaling consumption.
The embodiment of the invention nine provides a kind of base station, as shown in figure 10, comprises selected cell 1001, acquiring unit 1002 and transmitting element 1003, wherein:
Acquiring unit 1002 is used to obtain the increment configuration information of each member carrier with respect to the complete configuration information of the main carrier of selected cell 1001 selections;
Transmitting element 1003, the increment configuration information that is used for each member carrier that complete configuration information and acquiring unit 1002 with main carrier obtain sends to UE, makes UE carry out parameter configuration according to complete configuration information and increment configuration information to each member carrier.
Wherein, selected cell 1001 specifically is used for,
The carrier wave that the selection carrying is connected with the RRC of UE is as main carrier; Or
Select any one member carrier that carrying is connected with the RRC of UE as main carrier; Or
Select a virtual carrier as main carrier; Or
Select described UE monitoring the carrier wave of its PDCCH channel as main carrier.
Wherein, transmitting element 1003 specifically is used for,
By newly-increased special RRC signaling the complete configuration information of main carrier and the increment configuration information of member carrier are sent to UE; Or
By expanding existing special RRC signaling the complete configuration information of main carrier and the increment configuration information of member carrier are sent to UE.
Wherein, if the parameter of member carrier changes arbitrarily,
Acquiring unit 1002, the member carrier after changing of also being used to get parms is with respect to the increment configuration information of the complete configuration information of main carrier; Or the increment configuration information of the complete configuration information of the former member carrier of the member carrier after changing of getting parms before with respect to parameter change;
Transmitting element 1003, the increment configuration information of the member carrier behind the parameter change that also is used for acquiring unit 902 is obtained sends to UE.
In the present embodiment, the base station is according to the policy selection main carrier, the complete configuration information of main carrier and the increment configuration information of each member carrier are sent to UE, can realize that multicarrier activates, need the complete configuration information of all member carriers is all sent to the method for UE with respect to base station in the prior art, saved signaling consumption.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (10)
1. the method for a multi-carrier parameter configuration is characterized in that, comprising:
The base station is according to the policy selection main carrier of setting;
Described base station obtains the increment configuration information of each member carrier with respect to the complete configuration information of described main carrier;
Described base station sends to UE with the complete configuration information of described main carrier and the increment configuration information of each member carrier, makes described UE carry out parameter configuration according to described complete configuration information and increment configuration information to each member carrier.
2. the method for claim 1 is characterized in that, described base station comprises according to the policy selection main carrier of setting:
The carrier wave that described base station selected carrying is connected with the RRC of described UE is as described main carrier; Or
Any one member carrier that described base station selected not carrying is connected with the RRC of described UE is as described main carrier; Or
A described base station selected virtual carrier is as described main carrier; Or
Described base station selected described UE is monitoring the carrier wave of its PDCCH channel as described main carrier.
3. the method for claim 1 is characterized in that, described base station sends to UE with the increment configuration information of the complete configuration information of described main carrier and described member carrier and comprises:
Described base station sends to described UE by newly-increased special RRC signaling with the complete configuration information of described main carrier and the increment configuration information of described member carrier; Or
Described base station sends to described UE by expanding existing special RRC signaling with the complete configuration information of described main carrier and the increment configuration information of described member carrier.
4. the method for claim 1 is characterized in that, described UE carries out after the parameter configuration all member carriers according to described complete configuration information and increment configuration information, if the parameter of member carrier changes arbitrarily, described method also comprises:
Member carrier after described base station gets parms and changes is with respect to the increment configuration information of the complete configuration information of described main carrier;
The increment configuration information of the member carrier of described base station after with parameter change sends to described UE, makes described UE carry out parameter modification according to this increment configuration information to member carrier.
5. the method for claim 1 is characterized in that, described UE carries out after the parameter configuration all member carriers according to described complete configuration information and increment configuration information, if the parameter of member carrier changes arbitrarily, described method also comprises:
The increment configuration information of the complete configuration information of the former member carrier of the member carrier after described base station gets parms and changes before with respect to parameter change;
The increment configuration information of the member carrier of described base station after with parameter change sends to UE, makes described UE carry out parameter modification according to this increment configuration information to member carrier.
6. a system that realizes the multi-carrier parameter configuration is characterized in that, comprises base station and UE, wherein,
Described base station is used for obtaining the increment configuration information of each member carrier with respect to the complete configuration information of described main carrier according to the policy selection main carrier of setting, and the complete configuration information of described main carrier and the increment configuration information of each member carrier are sent to UE;
Described UE is used for according to described complete configuration information and increment configuration information each member carrier being carried out parameter configuration.
7. a base station is characterized in that, comprising:
Selected cell is used for according to the policy selection main carrier of setting;
Acquiring unit is used to obtain the increment configuration information of each member carrier with respect to the complete configuration information of the main carrier of described selected cell selection;
Transmitting element, the increment configuration information that is used for each member carrier that complete configuration information and described acquiring unit with described main carrier obtain sends to UE, makes described UE carry out parameter configuration according to described complete configuration information and increment configuration information to each member carrier.
8. base station as claimed in claim 7 is characterized in that described selected cell specifically is used for,
The carrier wave that the selection carrying is connected with the RRC of described UE is as described main carrier; Or
Select any one member carrier that carrying is connected with the RRC of described UE as described main carrier; Or
Select a virtual carrier as described main carrier; Or
Select described UE monitoring the carrier wave of its PDCCH channel as described main carrier.
9. base station as claimed in claim 7 is characterized in that described transmitting element specifically is used for,
By newly-increased special RRC signaling the complete configuration information of described main carrier and the increment configuration information of described member carrier are sent to described UE; Or
By expanding existing special RRC signaling the complete configuration information of described main carrier and the increment configuration information of described member carrier are sent to described UE.
10. base station as claimed in claim 7 is characterized in that, if the parameter of member carrier changes arbitrarily,
Described acquiring unit, the member carrier after changing of also being used to get parms is with respect to the increment configuration information of the complete configuration information of described main carrier; Or the increment configuration information of the complete configuration information of the former member carrier of the member carrier after changing of getting parms before with respect to parameter change;
Described transmitting element, the increment configuration information of the member carrier behind the parameter change that also is used for described acquiring unit is obtained sends to described UE.
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