CN102196571B - Method and device for allocating carrier - Google Patents
Method and device for allocating carrier Download PDFInfo
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- CN102196571B CN102196571B CN201010124909.XA CN201010124909A CN102196571B CN 102196571 B CN102196571 B CN 102196571B CN 201010124909 A CN201010124909 A CN 201010124909A CN 102196571 B CN102196571 B CN 102196571B
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Abstract
The invention discloses a method and a device for allocating a carrier. The method comprises the following steps that: a base station transmits a carrier allocating signaling to a user terminal, wherein the carrier allocating signaling carries a cell identifier (ID) and a carrier frequency which correspond to the allocated carrier; and the user terminal acquires information of the allocated carrier according to the cell ID and the carrier frequency which are carried by the carrier allocating signaling and correspond to the allocated carrier and allocates the carrier. The invention also discloses the base station and the user terminal for implementing the method. Through the method and the device, by designing the carrier allocating signaling contained in a radio resource control (RRC) connection reallocating signaling, the carrier allocation is realized.
Description
Technical field
The present invention relates to mobile communication technology, the method for particularly carrier wave configuration and device.
Background technology
A new generation's ternational Mobile Telecommunications (IMT-A, International Mobile Telecommunications-Advanced) is many confessed as the definition of forth generation (4G) radio communication.In order to realize IMT-A, third generation partner program (3GPP, 3
rdgeneration Partnership Project) especially define the long evolving system (LTE-A, Long Term Evolution-Advances) of improvement.LTE-A requires spectral efficient, peak rates, high cell edge performance, low time delay and better service quality (QoS, Quality of Service) guarantee etc.
In order to meet the high demand of LTE-A, carrier aggregation is introduced into as a kind of key technology.Carrier aggregation refers to and bandwidth in LTE-A is increased to 40MHz by 20MHz, even 100MHz.Wherein, 20MHz is a basic carrier wave element, and so, 40MHz and 100MHz is respectively the polymerization of 2 carrier wave elements and 5 carrier wave elements.So, a base station (eNB, Evolved NodeB) can use multiple carrier wave (CC, Component Carrier) simultaneously.But LTE-A is not but given in when adopting carrier aggregation technology how for the user be under connection mode carries out carrier wave configuration.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides method and the device of a kind of carrier wave configuration, for the user be under connection mode carries out carrier wave configuration.
Carrier wave collocation described in the embodiment of the present invention, comprising: base station issues carrier wave configuration signal to user terminal, and wherein, described carrier wave configuration signal carries the cell ID ID corresponding with configured carrier wave and carrier frequency; And the community ID corresponding with configured carrier wave that carry according to carrier wave configuration signal of user terminal and carrier-frequency capture configure the information of carrier wave, and carry out carrier wave configuration.
Above-mentioned carrier wave configuration signal is contained in radio resource control RRC and connects in configuration signal again.
Preferably, above-mentioned carrier wave configuration signal is mobile management control signal.
Now, base station issues carrier wave configuration signal to user terminal and comprises: when carrying out carrier wave configuration, with ID territory, the Target cell carrying community ID corresponding with configured carrier wave in mobile management control signal, with carrier frequency territory carry configure the carrier frequency of carrier wave; And when Dictating user terminal switches, carry ID and the carrier frequency of the Target cell changed to be cut with the ID territory, Target cell in mobile management control signal and carrier frequency territory.And the community ID corresponding with configured carrier wave that user terminal carries according to carrier wave configuration signal and carrier-frequency capture configure carrier wave information comprise: whether user terminal judges that institute's receiving mobility manages the Target cell ID that control signal carries consistent with current service cell ID, if, then judge that institute receiving mobility management control signal is used for carrying out carrier wave configuration, and the carrier information that the Target cell ID carried according to mobile management control signal and carrier-frequency capture configure; Otherwise, judge that institute receiving mobility management control signal is used for instruction user terminal and switches, and the Target cell ID carried according to mobile management control signal and carrier frequency switch.
Or, base station issues carrier wave configuration signal to user terminal and comprises: in mobile management control signal, increase carrier wave configuration identifier territory, and described carrier wave configuration identifier is for carrying out carrier wave configuration or switching for instruction user terminal for identifying mobile management control signal; When carrying out carrier wave configuration, carrier wave configuration identifier territory in mobile management control signal is set to the mark of carrying out carrier wave configuration, with ID territory, the Target cell carrying community ID corresponding with configured carrier wave in mobile management control signal, and with carrier frequency territory carry configure the carrier frequency of carrier wave; And when Dictating user terminal switches, carrier wave configuration identifier territory in mobile management control signal is set to the mark carrying out switching, and carries ID and the carrier frequency of the Target cell changed to be cut with the ID territory, Target cell in mobile management control signal and carrier frequency territory.The community ID corresponding with configured carrier wave that user terminal carries according to carrier wave configuration signal and carrier-frequency capture configure carrier wave information comprise: user terminal judges that institute's receiving mobility manages whether the carrier wave configuration identifier carried in control signal is the mark of carrying out carrier wave configuration, if, then judge that institute's receiving mobility management control signal is used for carrying out carrier wave configuration, and according to the carrier information that the Target cell ID carried in mobile management control signal and carrier-frequency capture configure; Otherwise, judge that institute's receiving mobility management control signal is used for instruction user terminal and switches, and switch according to the Target cell ID carried in mobile management control signal and carrier frequency.
Said method can further include: in mobile management control signal, increase carrier wave configuration parameter territory, is used to indicate community ID corresponding to other carrier wave except Target cell and carrier frequency; User terminal knows other configured carrier information according to the community ID carried in carrier wave configuration parameter territory and carrier frequency after receiving mobile management control signal.
Wherein, the ID territory, Target cell in mobile management control signal carries at least one community ID corresponding with configured carrier wave; Carrier frequency territory in mobile management control signal carry at least one configure the carrier frequency of carrier wave.
Preferably, above-mentioned carrier wave configuration signal is the proprietary signaling for carrying out carrier wave configuration of new definition.
Above-mentionedly state the Physical Cell Identifier PCI or Cell Global Identity GCI or E-CGI that community ID is community.
The embodiment of the invention also discloses a kind of base station, comprising: carrier wave configuration signal generation unit, for generating carrier wave configuration signal, wherein, described carrier wave configuration signal carries the cell ID ID corresponding with configured carrier wave and carrier frequency; And carrier wave configuration signal issues unit, for the carrier wave configuration signal of generation is handed down to user terminal.
Preferably, carrier wave configuration signal is mobile management control signal.
Carrier wave configuration signal generation unit comprises: carrier wave configuration signal generation module, for when carrying out carrier wave configuration with the ID territory, Target cell in mobile management control signal and the carrying of carrier frequency territory with configure community ID corresponding to carrier wave and carrier frequency, or carry the Target cell ID and carrier frequency that are switched to the ID territory, Target cell in mobile management control signal and carrier frequency territory when Dictating user terminal switches.
Or carrier wave configuration signal generation unit comprises: carrier wave configuration identifier adds module, for adding carrier wave configuration identifier in mobile management control signal, be for carrying out carrier wave configuration or switching for instruction user terminal in order to identify mobile management control signal; And carrier wave configuration signal generation module, for when carrying out carrier wave configuration with the ID territory, Target cell in mobile management control signal and the carrying of carrier frequency territory with configure community ID corresponding to carrier wave and carrier frequency, or carry the Target cell ID and carrier frequency that are switched to the ID territory, Target cell in mobile management control signal and carrier frequency territory when Dictating user terminal switches.
Or carrier wave configuration signal generation unit comprises: carrier wave configuration parameter adds module, for adding the carrier wave configuration parameter being used to indicate community ID corresponding to other carrier wave except Target cell and carrier frequency in mobile management control signal; And carrier wave configuration signal generation module, for when carrying out carrier wave configuration with the ID territory, Target cell in mobile management control signal and the carrier frequency territory carrying community ID corresponding with configured carrier wave and carrier frequency, and with carrier wave configuration parameter carry with other configure community ID corresponding to carrier wave and carrier frequency; Or when Dictating user terminal switches with the ID territory, Target cell in mobile management control signal and the carrier frequency territory carrying Target cell ID that changes to be cut and carrier frequency, and with carrier wave configuration parameter carry with other configure community ID corresponding to carrier wave and carrier frequency.
Embodiments of the invention also disclose a kind of user terminal, comprising: carrier wave configuration signal receiving element, for receiving the carrier wave configuration signal that base station issues; And carrier wave dispensing unit, for the cell ID ID corresponding with configured carrier wave that carry according to carrier wave configuration signal and carrier-frequency capture configure the information of carrier wave, and carry out carrier wave configuration.
Preferably, carrier wave configuration signal is mobile management control signal.
Carrier wave dispensing unit comprises: judge module, and whether the Target cell ID carried in receiving mobility management control signal for judging is consistent with current service cell ID, if so, then judges that institute's receiving mobility management control signal is used for carrying out carrier wave configuration; Otherwise, judge that institute's receiving mobility management control signal is used for instruction user terminal and switches; Carrier wave configuration module, for when institute's receiving mobility management control signal is used for carrying out carrier wave configuration, according to the carrier information that the Target cell ID carried in mobile management control signal and carrier-frequency capture configure, and carries out carrier wave configuration; And handover module, for when institute's receiving mobility management control signal switches for instruction user terminal, switch according to the Target cell ID carried in mobile management control signal and carrier frequency.
Or carrier wave dispensing unit comprises: judge module, for judging that according to carrier wave configuration identifier institute's receiving mobility management control signal is for carrying out carrier wave configuration or switching for instruction user terminal; Carrier wave configuration module, for when institute's receiving mobility management control signal is used for carrying out carrier wave configuration, according to the carrier information that the Target cell ID carried in mobile management control signal and carrier-frequency capture configure, and carries out carrier wave configuration; And handover module, for when institute's receiving mobility management control signal switches for instruction user terminal, switch according to the Target cell ID carried in mobile management control signal and carrier frequency.
Or carrier wave dispensing unit comprises: judge module, whether the Target cell ID carried in receiving mobility management control signal for judging is consistent with current service cell ID, if so, then judge that institute's receiving mobility management control signal is used for carrying out carrier wave configuration; Otherwise, judge that institute's receiving mobility management control signal is used for instruction user terminal and switches; Carrier wave configuration module, for when institute's receiving mobility management control signal is used for carrying out carrier wave configuration, obtain according to the Target cell ID carried in mobile management control signal and carrier frequency and carrier wave configuration parameter the carrier information configured, and carry out carrier wave configuration; And handover module, for when institute's receiving mobility management control signal switches for instruction user terminal, switch according to the Target cell ID carried in mobile management control signal and carrier frequency, and obtain the carrier information configured according to the carrier wave configuration parameter carried in mobile management control signal, and carry out carrier wave configuration.
Again or carrier wave dispensing unit comprise: according to carrier wave configuration identifier, judge module, judges that institute receiving mobility management control signal is for carrying out carrier wave configuration or switching for instruction user terminal; Carrier wave configuration module, for when institute's receiving mobility management control signal is used for carrying out carrier wave configuration, obtain according to the Target cell ID carried in mobile management control signal and carrier frequency and carrier wave configuration parameter the carrier information configured, and carry out carrier wave configuration; And handover module, for when institute's receiving mobility management control signal switches for instruction user terminal, switch according to the Target cell ID carried in mobile management control signal and carrier frequency, and obtain the carrier information configured according to the carrier wave configuration parameter carried in mobile management control signal, and carry out carrier wave configuration.
Carrier wave collocation of the present invention and device are by designing the signaling being contained in RRC and connecting the carrier wave configuration in configuration signal again, for adopting the user terminal being in connection status in the lte-a system of carrier aggregation technology to carry out carrier wave configuration, realize the function of carrier wave configuration.
Accompanying drawing explanation
Exemplary embodiment of the present invention will be described in detail by referring to accompanying drawing below, the person of ordinary skill in the art is more clear that above-mentioned and other feature and advantage of the present invention, in accompanying drawing:
Fig. 1 is the carrier wave collocation flow chart described in the embodiment of the present invention;
Fig. 2 show in embodiment 1 user terminal be under connection mode receive mobile management control signal after operating process;
Fig. 3 show in embodiment 2 user terminal be under connection mode receive mobile management control signal after operating process;
Fig. 4 is the eNB internal structure schematic diagram described in the embodiment of the present invention;
Fig. 5 is the user terminal internal structure schematic diagram described in the embodiment of the present invention.
Embodiment
In order to solve as the user be under connection mode carries out the problem of carrier wave configuration, The present invention gives the method for being carried out carrier wave configuration by carrier wave configuration signal.By carrier wave configuration signal, eNB can inform the carrier wave that user will increase or reduce, to carry out carrier wave configuration to the user terminal be under connection mode.Because the carrier wave of backward compatibility and the carrier wave of non-backward compatible independently can form a community, therefore, carrier wave configuration signal needs to point out the cell ID of configured carrier wave under eNB (ID) and carrier frequency thereof to user terminal in the present invention.It should be noted that, in the present invention, the carrier wave mentioned specifically refers to the CC alleged by lte-a system, i.e. Component Carrier.
Fig. 1 is the carrier wave collocation flow chart described in the embodiment of the present invention, and as shown in Figure 1, the carrier wave collocation described in the embodiment of the present invention can comprise the steps:
Step 101: base station issues carrier wave configuration signal to user terminal, wherein, described carrier wave configuration signal carries the cell ID ID corresponding with configured carrier wave and carrier frequency;
Step 102: the community ID corresponding with configured carrier wave that user terminal carries according to carrier wave configuration signal and carrier-frequency capture configure the information of carrier wave, and carry out carrier wave configuration.
Under normal circumstances, if do not consider the situation of Physical Cell Identifier (PCI, the Physical Cell ID) confusion because Home eNodeB brings, PCI is directly used just can to know each community under mark eNB as community ID; But, if consider the situation of PCI confusion, then Cell Global Identity (GCI, Global Cell ID or E-CGI, Enhanced Cell Global ID) can be used to identify each community under eNB as community ID.
In an embodiment of the present invention, in order to carry out carrier wave configuration to the user terminal be under connection mode, new signaling can be designed as carrier wave configuration signal, also can expand existing signaling and using expansion after signaling as carrier wave configuration signal.
Consider existing wireless heterogeneous networks (RRC, Radio Resource Control) signaling mainly contains RRC and connects and configure (RRC connection reconfiguration) signaling again, comprise: measure configuration control signal, mobile management control signal and private resource configuration control signal etc.Wherein, mobile management control signal can indicating cell ID and carrier frequency.Known mobile management control signal is applied in handoff procedure, for informing the ID of user terminal Target cell, if alien frequencies switches, also will inform the carrier frequency at place, user terminal Target cell.Due to the Target cell ID in use mobile management control signal and carrier frequency just energy unique identification carrier wave, therefore, in an embodiment of the present invention, can expand to mobile management control signal the function realizing carrier wave configuration.
Before detailed description specific embodiments of the invention, first introduce the application scenarios of the embodiment of the present invention.Specifically, embodiments of the invention are applied to following two kinds of application scenarioss: application scenarios one, and under each eNB, each carrier wave has identical community ID (such as PCI); Application scenarios two, under each eNB, each carrier wave has different community ID (such as PCI).
Table 1 gives under application scenarios one, the example of the PCI of each carrier wave under eNB1 and eNB2.As shown in table 1, the PCI of lower three carrier waves of eNB1 can be 300, and its carrier frequency is respectively f1, f2 and f3; Under eNB2, the PCI of two carrier waves can be 400, and its carrier frequency is respectively f1 and f2.
Table 1
Table 2 gives under application scenarios two, the example of the PCI of each carrier wave under eNB1 and eNB2.As shown in table 2, the PCI of lower three carrier waves of eNB1 can be respectively 301,302 and 303, and its carrier frequency is respectively f1, f2 and f3; Under eNB2, the PCI of two carrier waves can be respectively 401 and 402, and its carrier frequency is respectively f1 and f2.
Table 2
The embodiment of the present invention under different application scene is described in detail below by by concrete example.
Embodiment 1:
The present embodiment utilizes mobile management control signal to realize the function of carrier wave configuration, is applicable to above-mentioned application scenarios one.
Specifically, in an embodiment of the present invention, when needing to carry out carrier wave configuration for the user terminal be under connection mode, directly with ID territory, the Target cell carrying in the mobile management control signal issued to user terminal configure the community ID of carrier wave under eNB, namely corresponding with configured carrier wave community ID, and with carrier frequency territory carrying wherein configure the carrier frequency of carrier wave.And when the user terminal under needing instruction to be in connection mode switches, carry ID and the carrier frequency of the Target cell changed to be cut with the Target cell ID in the mobile management control signal issued to user terminal and carrier frequency.Because under eNB each under scene one, each carrier wave has identical community ID, so, the user terminal receiving mobile management control signal whether identically with current Serving cell ID can judge that received mobile management control signal is for configuring new carrier wave or switching for instruction user terminal by the Target cell ID by judging in receiving mobility management control signal.
Fig. 2 show in the present embodiment the user terminal be under connection mode receive mobile management control signal after operating process.As shown in Figure 2, operate below the user terminal be under connection mode will perform after receiving mobile management control signal:
Step 201: judge that whether the Target cell ID carried in institute's receiving mobility management control signal is consistent with current service cell ID, if so, then judges that institute's receiving mobility management control signal is used for carrying out carrier wave configuration, and performs step 202; Otherwise, judge that institute's receiving mobility management control signal is used for instruction user terminal and switches, and perform step 203;
Step 202: the carrier information configured according to the Target cell ID carried in mobile management control signal and carrier-frequency capture, and carry out carrier wave configuration;
Step 203: switch according to the Target cell ID carried in mobile management control signal and carrier frequency.
Such as, under application scenarios as shown in table 1, if the Serving cell of a user terminal is the community 1 under eNB1, need for the carrier wave 2 under this user terminal configuration eNB1, now, can issue a mobile management control signal to this user terminal, the Target cell ID wherein carried is 300, and carrier frequency is f2.So, this user terminal is after receiving mobile management control signal, by judging that Target cell ID300 is identical with Serving cell ID 300, judge that institute receiving mobility management control signal is used for carrying out carrier wave configuration, and know that configured carrier wave is the carrier wave 2 under eNB1 according to the carrier frequency f2 in mobile management control signal.If desired Dictating user terminal switch is to the community 5 of eNB2, then can issue a mobile management control signal to this user terminal, the Target cell ID wherein carried is 400, and carrier frequency is f2.Now, this user terminal is after receiving mobile management control signal, by judging that Target cell ID 400 is different from Serving cell ID 300, judge that institute receiving mobility management control signal is used for instruction user terminal and switches, and know that the community after switching is the community 5 under eNB2 according to the carrier frequency f2 in mobile management control signal.
It should be noted that, if the carrier wave of configuration has multiple, then can be multiple by the carrier configuration in mobile management control signal.Such as, in upper example, be if desired the carrier wave 2 under this user terminal configuration eNB1 and carrier wave 3, then can issue a mobile management control signal to this user terminal, the Target cell ID wherein carried is 300, and carrier frequency is f2 and f3.Now, this user terminal is after receiving mobile management control signal, by judging that Target cell ID 300 is identical with Serving cell ID 300, judge that institute receiving mobility management control signal is used for carrying out carrier wave configuration, and know that configured carrier wave is carrier wave 2 under eNB1 and carrier wave 3 according to carrier frequency f2 and f3 in mobile management control signal.
As can be seen from foregoing description, in the present embodiment, directly use mobile management control signal as carrier wave configuration signal, signaling consumption and the impact on existing signaling can be reduced.
Above-described embodiment is described to increase carrier wave, it should be noted that, said method also may be used for reducing carrier wave, such as, when user terminal judges that institute receiving mobility management control signal is for carrying out carrier wave configuration and the carrier frequency carried in mobile management control signal is when self having configured the carrier frequency of carrier wave, then will delete this carrier wave configured.
Embodiment 2:
The present embodiment adopts mobile management control signal to realize the function of carrier wave configuration as carrier wave configuration signal, is applicable to above-mentioned application scenarios two.
As previously mentioned, because existing mobile management control signal just can indicating cell ID and carrier frequency, therefore, in the present embodiment, can expand to mobile management control signal the function realizing carrier wave configuration.
Due under above-mentioned application scenarios two, under each eNB, each carrier wave has different community ID, therefore, in the present embodiment, only cannot judge that mobile management control signal is for carrying out carrier wave configuration or switching for instruction user terminal according to the Target cell ID carried in mobile management control signal.Therefore, in an embodiment of the present invention, needing in mobile management control signal, increase carrier wave configuration identifier territory, is for carrying out carrier wave configuration or switching for instruction user terminal for identifying mobile management control signal.Preferably, the length in carrier wave configuration identifier territory is 1bit, and now, can arrange and identify mobile management control signal when carrier wave configuration identifier value is 1 is for carrying out carrier wave configuration; Arranging and identifying mobile management control signal when carrier wave configuration identifier value is 0 is switch for instruction user terminal.Those skilled in the art will appreciate that also can arrange the mark mobile management control signal when carrier wave configuration identifier value is 0 is for carrying out carrier wave configuration, and when being 1, mark mobile management control signal switches for instruction user terminal.
Specifically, in an embodiment of the present invention, when needing to carry out carrier wave configuration for the user terminal be under connection mode, first the carrier wave configuration identifier territory in the mobile management control signal issued to user terminal is set to the mark of carrying out carrier wave configuration, and with ID territory, the Target cell carrying community ID corresponding with configured carrier wave in mobile management control signal, and with the carrier frequency territory in its content carry configure the carrier frequency of carrier wave.In this case, by carrier wave configuration identifier, the user terminal receiving mobile management control signal can know that received mobile management control signal is for carrying out carrier wave configuration, and know the information of configured carrier wave according to Target cell ID and carrier frequency.When the user terminal under needing instruction to be in connection mode switches, first the carrier wave configuration identifier territory in the mobile management control signal issued to user terminal is set to the mark carrying out switching, and carries the information of target carrier with the Target cell ID in mobile management control signal and carrier frequency.In this case, by carrier wave configuration identifier, the user terminal receiving mobile management control signal can know that received mobile management control signal switches for instruction user terminal, and know the information of Target cell according to Target cell ID and carrier frequency.
Fig. 3 show in the present embodiment the user terminal be under connection mode receive mobile management control signal after operating process.As shown in Figure 3, operate below the user terminal be under connection mode will perform after receiving mobile management control signal:
Step 301: judge whether the carrier wave configuration identifier carried in institute's receiving mobility management control signal is the mark of carrying out carrier wave configuration, if so, then judges that institute's receiving mobility management control signal is used for carrying out carrier wave configuration, performs step 302; Otherwise, judge that institute's receiving mobility management control signal is used for instruction user terminal and switches, perform step 303;
Step 302: the carrier information configured according to the Target cell ID carried in mobile management control signal and carrier-frequency capture, and carry out carrier wave configuration;
Step 303: switch according to the Target cell ID carried in mobile management control signal and carrier frequency.
Such as, under application scenarios as shown in table 2, if the Serving cell of a user terminal is the community 1 under eNB1, and need for the carrier wave 2 under this user terminal configuration eNB1, then can issue a mobile management control signal to this user terminal, the carrier wave configuration identifier wherein carried is 1, and Target cell ID is 302, and carrier frequency is f2.Now, this user terminal is after receiving mobile management control signal, judge that institute receiving mobility management control signal is for configuring new carrier wave by carrier wave configuration identifier, and know that configured carrier wave is the carrier wave 2 under eNB1 according to Target cell ID 302 and carrier frequency f2.If desired Dictating user terminal switch is to the community 5 of eNB2, then can issue a mobile management control signal to this user terminal, the carrier wave configuration identifier wherein carried is 0, and Target cell ID is 402, and carrier frequency is f2.Now, this user terminal is after receiving mobile management control signal, judge that institute's receiving mobility management control signal is used for instruction user terminal and switches by carrier wave configuration identifier, and know that the community after switching is the community 5 of eNB2 according to the Target cell ID 402 in mobile management control signal and carrier frequency f2.
Above-described embodiment is also described to increase carrier wave, it should be noted that, said method also may be used for reducing carrier wave, such as, when user terminal judge institute receiving mobility management control signal for carry out carrier wave configuration and the carrier wave identified by community ID and carrier frequency carried in mobile management control signal is the carrier wave self configured time, then will delete this carrier wave configured.
It should be noted that, if the carrier wave of configuration has multiple, can Target cell ID in mobile management control signal and carrier configuration be multiple.Such as, in upper example, be if desired the carrier wave 2 under this user terminal configuration eNB1 and carrier wave 3, then can issue a mobile management control signal to this user terminal, the carrier wave configuration identifier wherein carried is 1, and Target cell ID is 302 and 303, and carrier frequency is f2 and f3.Now, this user terminal is after receiving mobile management control signal, judge that institute receiving mobility management control signal is used for carrying out carrier wave configuration by carrier wave configuration identifier, and know that configured carrier wave is carrier wave 2 under eNB1 and carrier wave 3 according to the Target cell ID 302 and 303 in mobile management control signal and carrier frequency f2 and f3.
As can be seen from foregoing description, in the present embodiment, use the mobile management control signal after expansion as carrier wave configuration signal, also can reduce signaling consumption and the impact on existing signaling.
Embodiment 3:
In the present embodiment, the new function configured to realize carrier wave as carrier wave configuration signal for the dedicated signaling carrying out carrier wave configuration is defined.Carrier wave configuration signal described in the present embodiment at least will comprise community ID and carrier frequency two territories, be used to indicate the community ID of configured carrier wave under eNB and carrier frequency thereof.
Preferably, in an embodiment of the present invention, above-mentioned carrier wave configuration signal is contained in RRC and connects in configuration signal again, and other signalings be connected with RRC again in configuration signal are separate.When needs carry out carrier wave configuration carrier wave, the RRC issued to user terminal connects in configuration signal again will comprise above-mentioned carrier wave configuration signal, the community ID of the carrier wave configured under eNB and carrier frequency thereof.So, user terminal by completing carrier wave configuration according to the community ID in institute's reception carrier configuration signal and carrier frequency, such as, increases or reduces carrier wave after receiving carrier wave configuration signal.Especially, if need to configure multiple carrier wave, then the community ID in carrier wave configuration signal can comprise multiple community ID and/or multiple carrier frequency.
In method described in the present embodiment, designed new carrier wave configuration signal belongs to RRC and connects a signaling in configuration signal again, user terminal judges after can connecting configuration signal receiving RRC whether to comprise carrier wave configuration signal to judge whether in this signaling to need to carry out carrier wave configuration again, so, compatibility can be carried out with existing system preferably.
Carrier wave collocation described by above-described embodiment 1 to 3 all switches and configure independently carry out with carrier wave, and embodiments of the invention give the carrier wave collocation configuring multiple carrier wave while switching.
Embodiment 4:
The present embodiment adopts mobile management control signal as carrier wave configuration signal, is applicable to above-mentioned application scenarios one and while switching, needs to configure the application scenarios of multiple carrier wave.
From above-mentioned application scenarios one, if need to configure multiple carrier wave while switching, then the ID of Target cell only has one, but carrier frequency has multiple, now, the Target cell ID that can will issue Target cell ID in mobile management control signal to user terminal and be set to be switched to, and be the carrier frequency of multiple carrier wave to be configured by the Carrier frequency configuration in mobile management control signal, wherein, the carrier frequency changing to Target cell to be cut can be represented with preceding carrier frequency, and with posterior carrier frequency be represented as user terminal configure the carrier frequency of carrier wave.So, user terminal can know according to Target cell ID in mobile management control signal the target BS be switched to after receiving mobile management control signal, and know that configuration is to the information of the multiple carrier waves of self according to the multiple carrier frequency carried in mobile management control signal, and carry out carrier wave configuration.
Such as, under application scenarios as shown in table 1, if the Serving cell of a user terminal is the community 1 under eNB1, and need the community 4 under Dictating user terminal switch to eNB2, need the carrier wave 2 for user terminal configuration eNB2 simultaneously, then can issue a mobile management control signal to this user terminal, the Target cell ID wherein carried is 400, and carrier frequency is f1 and f2.Now, this user terminal is after receiving mobile management control signal, by judging that Target cell ID 400 is different from Serving cell ID, judge that institute's receiving mobility management control signal is used for instruction user terminal and switches, and know that the community after switching is the community 4 under eNB2 according to carrier frequency f1 and f2 in mobile management control signal, need the carrier wave configured to be carrier wave 2 under eNB2 simultaneously.
Embodiment 5:
The present embodiment adopts mobile management control signal as carrier wave configuration signal, is applicable to above-mentioned application scenarios one and while switching, needs to configure the application scenarios of multiple carrier wave.
In order to configure multiple carrier wave while switching, carrier wave configuration parameter territory can also be increased in mobile management control signal, being used to indicate community ID corresponding to other carrier wave except Target cell and carrier frequency.In this case, user terminal can know according to Target cell ID and carrier frequency in mobile management control signal the Target cell be switched to after receiving mobile management control signal, and knows that configuration is to the information of the multiple carrier waves of self according to the community ID carried in carrier wave configuration parameter territory and carrier frequency.
Such as, under application scenarios as shown in table 1, if the Serving cell of a user terminal is the community 1 under eNB1, and need the community 4 under Dictating user terminal switch to eNB2, need the carrier wave 2 for user terminal configuration eNB2, then can issue a mobile management control signal to this user terminal, the Target cell ID wherein carried is 400 simultaneously, carrier frequency is f1, and the community ID in carrier wave configuration parameter territory be 400, carrier frequency is f2.Now, this user terminal is after receiving mobile management control signal, by judging that Target cell ID 400 is different from Serving cell ID, judge that institute's receiving mobility management control signal is used for instruction user terminal and switches, and know that the community after switching is the community 4 under eNB2 according to the community ID 400 in the carrier frequency f1 in mobile management control signal and carrier wave configuration parameter territory and carrier frequency f2, need the carrier wave configured to be carrier wave 2 under eNB2 simultaneously.
Embodiment 6:
The present embodiment adopts mobile management control signal as carrier wave configuration signal, is applicable to above-mentioned application scenarios two and while switching, needs to configure the application scenarios of multiple carrier wave.
From above-mentioned application scenarios two, if need to configure multiple carrier wave while switching, then the ID of Target cell and carrier frequency all have multiple, now, the ID community ID that under being set to the target BS be switched to, multiple carrier wave is corresponding in Target cell in mobile management control signal can will be issued to user terminal, and be the carrier frequency of multiple carrier wave to be configured by the Carrier frequency configuration in mobile management control signal, wherein, the community ID changing to Target cell to be cut can be represented with preceding community ID, with posterior community ID be represented as user terminal configure community ID corresponding to carrier wave, and represent the carrier frequency changing to Target cell to be cut with preceding carrier frequency, and with posterior carrier frequency be represented as user terminal configure the carrier frequency of carrier wave.So, user terminal after receiving mobile management control signal can according to carrier wave configuration identifier be 0 know be for switch, and know according to Target cell ID in mobile management control signal the target BS be switched to, and know that configuration is to the information of the multiple carrier waves of self according to the multiple carrier frequency carried in mobile management control signal.
Such as, under application scenarios as shown in table 2, if the Serving cell of a user terminal is the community 1 under eNB1, and need the community 4 under Dictating user terminal switch to eNB2, need the carrier wave 2 for user terminal configuration eNB2, then can issue a mobile management control signal to this user terminal, the carrier wave configuration identifier wherein carried is 0 simultaneously, Target cell ID is 401 and 402, and carrier frequency is f1 and f2.Now, this user terminal is after receiving mobile management control signal, judge that institute's receiving mobility management control signal is used for instruction user terminal and switches by carrier wave configuration identifier, and know that the community after switching is the community 4 under eNB2 according to the Target cell ID 401 and 402 in mobile management control signal and carrier frequency f1 and f2, need the carrier wave configured to be carrier wave 2 under eNB2 simultaneously.
Embodiment 7:
The present embodiment adopts mobile management control signal as carrier wave configuration signal, is applicable to above-mentioned application scenarios two and while switching, needs to configure the application scenarios of multiple carrier wave.
As described in above-described embodiment 5, in order to configure multiple carrier wave while switching, carrier wave configuration parameter territory can also be increased in mobile management control signal, being used to indicate community ID corresponding to other carrier wave except Target cell and carrier frequency.Such as,
Such as, under application scenarios as shown in table 2, if the Serving cell of a user terminal is the community 1 under eNB1, and need the community 4 under Dictating user terminal switch to eNB2, need for the carrier wave 2 of user terminal configuration eNB2, then to issue a mobile management control signal to this user terminal simultaneously, the carrier wave configuration identifier wherein carried is 0, Target cell ID is 401, and carrier frequency is f1, and the community ID in carrier wave configuration parameter territory be 402, carrier frequency is f2.Now, this user terminal is after receiving mobile management control signal, judge that institute's receiving mobility management control signal is used for instruction user terminal and switches by carrier wave configuration identifier, and according to Target cell ID 401 in mobile management control signal, carrier frequency f1, community after community ID 402 in carrier wave configuration parameter territory and carrier frequency f2 knows switching is the community 4 under eNB2, needs the carrier wave configured to be carrier wave 2 under eNB2 simultaneously.
According to the mode designing new carrier wave configuration signal, because carrier wave configuration signal and mobile management control signal are independently, therefore, if only carry out carrier wave configuration, and Dictating user terminal does not switch, then the RRC issued to user terminal connects and will comprise carrier wave configuration signal in configuration signal and not comprise mobile management control signal.If only Dictating user terminal switches, and does not carry out carrier wave configuration, then the RRC issued to user terminal connects and will not comprise carrier wave configuration signal in configuration signal and comprise mobile management control signal.And if will switching while carry out carrier wave configuration, then can connect at the RRC issued to user terminal again and namely comprise carrier wave configuration signal in configuration signal and comprise mobile management control signal simultaneously, while switching, complete the configuration of multiple carrier wave with Dictating user terminal.
It should be noted that, the method increasing carrier wave configuration parameter territory in mobile management control signal that it will be understood by those skilled in the art that described in above-described embodiment 5 and 7 can also be applied to not to be carried out switching and is only under user terminal configures the scene of multiple carrier wave.
In addition, it should be noted that, in an embodiment of the present invention, above-mentioned community ID can be the PCI of community also can be GCI or E-CGI.
As can be seen from above-described embodiment, embodiments of the invention give the multiple carrier wave collocation being applicable to plurality of application scenes, can carry out carrier wave configuration for adopting the user terminal being in connection status in the lte-a system of carrier aggregation technology.
In addition, embodiments of the invention give the eNB and user terminal that realize above-mentioned carrier wave collocation.
Wherein, the internal structure of eNB as shown in Figure 4, comprising:
Carrier wave configuration signal generation unit, for generating carrier wave configuration signal, wherein carrier wave configuration signal carries the community ID corresponding with configured carrier wave and carrier frequency; And
Carrier wave configuration signal issues unit, for the carrier wave configuration signal of generation is handed down to user terminal.
The internal structure of user terminal as shown in Figure 5, comprising:
Carrier wave configuration signal receiving element, for receiving the carrier wave configuration signal that eNB issues; And
Carrier wave dispensing unit, for carry according to carrier wave configuration signal configure community ID corresponding to carrier wave and carrier-frequency capture configure the information of carrier wave, and carry out carrier wave configuration.
Under above-mentioned application scenarios one, according to existing mobile management control signal as carrier wave configuration signal, then the carrier wave configuration signal generation unit of eNB can comprise:
Carrier wave configuration signal generation module, for when carrying out carrier wave configuration with the ID territory, Target cell in mobile management control signal and the carrying of carrier frequency territory with configure community ID corresponding to carrier wave and carrier frequency, or carry the Target cell ID and carrier frequency that are switched to the ID territory, Target cell in mobile management control signal and carrier frequency territory when Dictating user terminal switches.
Now, the carrier wave dispensing unit inside of user terminal can comprise:
Judge module, whether the Target cell ID carried in receiving mobility management control signal for judging is consistent with current service cell ID, if so, then judges that institute's receiving mobility management control signal is used for carrying out carrier wave configuration; Otherwise, judge that institute's receiving mobility management control signal is used for instruction user terminal and switches;
Carrier wave configuration module, for when institute's receiving mobility management control signal is used for carrying out carrier wave configuration, according to the carrier information that the Target cell ID carried in mobile management control signal and carrier-frequency capture configure, and carries out carrier wave configuration; And
Handover module, for when institute's receiving mobility management control signal switches for instruction user terminal, switches according to the Target cell ID carried in mobile management control signal and carrier frequency.
Under above-mentioned application scenarios two, according to existing mobile management control signal as carrier wave configuration signal, then the carrier wave configuration signal generation unit of eNB comprises:
Carrier wave configuration identifier adds module, for adding carrier wave configuration identifier in mobile management control signal, is for carrying out carrier wave configuration or switching for instruction user terminal in order to identify mobile management control signal; And
Carrier wave configuration signal generation module, for when carrying out carrier wave configuration with the ID territory, Target cell in mobile management control signal and the carrying of carrier frequency territory with configure community ID corresponding to carrier wave and carrier frequency, or carry the Target cell ID and carrier frequency that are switched to the ID territory, Target cell in mobile management control signal and carrier frequency territory when Dictating user terminal switches.
Now, the carrier wave dispensing unit inside of user terminal can comprise:
Judge module, for judging that according to carrier wave configuration identifier institute's receiving mobility management control signal is for carrying out carrier wave configuration or switching for instruction user terminal;
Carrier wave configuration module, for when institute's receiving mobility management control signal is used for carrying out carrier wave configuration, according to the carrier information that the Target cell ID carried in mobile management control signal and carrier-frequency capture configure, and carries out carrier wave configuration; And
Handover module, for when institute's receiving mobility management control signal switches for instruction user terminal, switches according to the Target cell ID carried in mobile management control signal and carrier frequency.
When configuring multiple carrier wave, the carrier wave configuration signal generation unit of above-mentioned eNB comprises:
Carrier wave configuration parameter adds module, for adding carrier wave configuration parameter in mobile management control signal, in order to indicate the community ID and carrier frequency that other carrier wave is corresponding except Target cell; And
Carrier wave configuration signal generation module, for when carrying out carrier wave configuration with the ID territory, Target cell in mobile management control signal and the carrier frequency territory carrying community ID corresponding with configured carrier wave and carrier frequency, and with carrier wave configuration parameter carry with other configure community ID corresponding to carrier wave and carrier frequency; Or when Dictating user terminal switches with the ID territory, Target cell in mobile management control signal and the carrier frequency territory carrying Target cell ID that changes to be cut and carrier frequency, and with carrier wave configuration parameter carry with other configure community ID corresponding to carrier wave and carrier frequency.
Now, the carrier wave dispensing unit inside of user terminal can comprise:
Judge module, for judging that mobile management control signal is for carrying out carrier wave configuration or switching for instruction user terminal;
It should be noted that, if each carrier wave has identical community ID under each eNB, then according to whether the Target cell ID carried in mobile management control signal is consistent with current service cell ID, judge module can judge that mobile management control signal is for carrying out carrier wave configuration or switching for instruction user terminal; If be provided with carrier wave configuration identifier in mobile management control signal, then judge module can judge according to the carrier wave configuration identifier in mobile management control signal that mobile management control signal is for carrying out carrier wave configuration or switching for instruction user terminal.
Carrier wave configuration module, for when institute's receiving mobility management control signal is used for carrying out carrier wave configuration, obtain according to the Target cell ID carried in mobile management control signal and carrier frequency and carrier wave configuration parameter the carrier information configured, and carry out carrier wave configuration; And
Handover module, for when institute's receiving mobility management control signal switches for instruction user terminal, switch according to the Target cell ID carried in mobile management control signal and carrier frequency, and obtain the carrier information configured according to the carrier wave configuration parameter carried in mobile management control signal, and carry out carrier wave configuration.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a component carrier configuration method, is characterized in that,
Base station issues carrier wave configuration signal to user terminal, and wherein, described carrier wave configuration signal carries the cell ID ID corresponding with configured component carrier and carrier frequency; And
The community ID that described user terminal carries according to described carrier wave configuration signal and carrier frequency grasp configure component carrier, and carry out component carrier configuration,
Described carrier wave configuration signal comprises multiple community ID and/or multiple carrier frequency.
2. component carrier configuration method according to claim 1, is characterized in that, described carrier wave configuration signal is contained in radio resource control RRC and connects in configuration signal again, is the dedicated signaling for component carrier configuration.
3. component carrier configuration method according to claim 1, is characterized in that, described user terminal carry out component carrier increase or delete configure as described component carrier.
4. component carrier configuration method according to claim 1, is characterized in that, described community ID is Physical Cell Identifier PCI or Cell Global Identity GCI or E-CGI of community.
5. a base station, is characterized in that, comprising:
Carrier wave configuration signal generation unit, for generating carrier wave configuration signal, wherein, described carrier wave configuration signal carries the cell ID ID corresponding with configured component carrier and carrier frequency; And
Carrier wave configuration signal issues unit, for the carrier wave configuration signal of generation is handed down to user terminal,
The community ID carried according to described carrier wave configuration signal and carrier frequency, described user terminal grasp configure component carrier, and carry out component carrier configuration,
Described carrier wave configuration signal comprises multiple community ID and/or multiple carrier frequency.
6. base station according to claim 5, is characterized in that, described carrier wave configuration signal is contained in radio resource control RRC and connects in configuration signal again, is the dedicated signaling for component carrier configuration.
7. base station according to claim 5, is characterized in that, described user terminal carry out component carrier increase or delete configure as described component carrier.
8. base station according to claim 5, is characterized in that, described community ID is Physical Cell Identifier PCI or Cell Global Identity GCI or E-CGI of community.
9. a user terminal, is characterized in that, comprising:
Carrier wave configuration signal receiving element, for receiving the carrier wave configuration signal that base station issues; And
Carrier wave dispensing unit, for the cell ID ID that carries according to carrier wave configuration signal and carrier frequency grasp configure component carrier, and carry out component carrier configuration,
Described carrier wave configuration signal comprises multiple community ID and/or multiple carrier frequency.
10. user terminal according to claim 9, is characterized in that, described carrier wave configuration signal is contained in radio resource control RRC and connects in configuration signal again, is the dedicated signaling for component carrier configuration.
11. user terminals according to claim 9, is characterized in that, described carrier wave dispensing unit carry out component carrier increase or delete configure as described component carrier.
12. user terminals according to claim 9, is characterized in that, described community ID is Physical Cell Identifier PCI or Cell Global Identity GCI or E-CGI of community.
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| CN201010124909.XA CN102196571B (en) | 2010-03-12 | 2010-03-12 | Method and device for allocating carrier |
| JP2011003629A JP2011193440A (en) | 2010-03-12 | 2011-01-12 | Carrier setting method and device |
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| CN103220249B (en) * | 2012-01-19 | 2018-04-06 | 中兴通讯股份有限公司 | A kind of transmission of information, collocation method and device |
| CN102612133B (en) * | 2012-02-20 | 2015-07-22 | 电信科学技术研究院 | Method, system and equipment for configuring and synchronizing expanded carriers |
| TWI555413B (en) * | 2013-07-01 | 2016-10-21 | 創新音速股份有限公司 | Method and apparatus for handling a configuration for measurement in a wireless communication system |
| CN104426830B (en) * | 2013-09-06 | 2019-03-26 | 中兴通讯股份有限公司 | With reference to signaling method, system and the network side of operation in a kind of multicarrier |
| EP3695670A4 (en) * | 2017-09-08 | 2021-08-18 | Telefonaktiebolaget LM Ericsson (publ) | Random access for multiple carrier configurations |
| CN112075100B (en) * | 2018-05-08 | 2023-07-04 | Oppo广东移动通信有限公司 | Measurement control method, UE, network equipment and computer storage medium |
| CN110582117B (en) * | 2018-06-08 | 2023-05-09 | 中国移动通信有限公司研究院 | Resource scheduling method, service transmission method, network side equipment and terminal |
| CN110876194B (en) * | 2018-08-29 | 2022-04-05 | 中国移动通信有限公司研究院 | Indication method and device of space related information |
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| CN101005343A (en) * | 2006-01-20 | 2007-07-25 | 华为技术有限公司 | Distribution method and system for multiple carrier channel resource |
| CN101222751A (en) * | 2007-01-12 | 2008-07-16 | 华为技术有限公司 | Subscriber terminal, base station and independent descending carrier configuration information transmission method and system |
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