CN101909355A - Method and equipment for allocating cell radio network temporary identifier - Google Patents
Method and equipment for allocating cell radio network temporary identifier Download PDFInfo
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- CN101909355A CN101909355A CN2009100861264A CN200910086126A CN101909355A CN 101909355 A CN101909355 A CN 101909355A CN 2009100861264 A CN2009100861264 A CN 2009100861264A CN 200910086126 A CN200910086126 A CN 200910086126A CN 101909355 A CN101909355 A CN 101909355A
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Abstract
The invention discloses a method and equipment for allocating a cell radio network temporary identifier (C-RNTI) to solve the problems of poor multi-carrier operation flexibility and higher air interface resource consumption caused by allocating only a C-RNTI for each user terminal setting up RRC connection in the prior art. The method is characterized in that a network side and the user terminals agree on the same generation mode of the C-RNTIs and comprises the following steps when the network side receives random access requests sent by the user terminals: the network side selects the C-RNTIs which are not allocated at present and generates N-numbered C-RNTIs as the identifiers according to the selected C-RNTIs and the agreed generation mode of the C-RNTIs, wherein N is not less than 2; and the network side sends the selected C-RNTIs to the user terminals. The technical scheme of the invention improves the flexibility of multi-carrier operation and saves the air interface resources.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to the method and apparatus of the wireless temporary mark of a kind of allocating cell.
Background technology
At present, LTE in 3GPP (Long Term Evolution, Long Term Evolution) in the improvement version of technology (being also referred to as LTE-Advanced), introduced many new technology, supported the more key technology of high bandwidth transmission---carrier aggregation technology (carrier aggregation) as conduct.The basic principle of carrier aggregation is by work that plural main carrier is condensed together, thereby satisfies higher bandwidth demand.
As shown in Figure 1, user terminal uses this main carrier to carry out work.After the carrier aggregation technology of introducing in the LTE system, as shown in Figure 2, user terminal uses a plurality of carrier wave work.After the LTE system introduced carrier aggregation technology, the main carrier number in sub-district became a plurality of by one, thereby produced that access carrier is selected, multi-carrier operation problems such as multicarrier switching and multi-carrier scheduling.
At present, formulate in the LTE system that finishes at network side, the LTE system sets up RRC (Radio Resource Control in the sub-district, Radio Resource control) the user terminal branch that connects is used in unique identifier C-RNTI (the Cell Radio Network Temporary Identifier of this user terminal of sign, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI), this C-RNTI is the sequence number of hexadecimal 16 bits, at FDD (Frequency Division Duplexing, frequency division multiplexing) in the system, the C-RNTI span is [000A, FFF2]; In TDD (Time Division Duplexing, time division multiplexing) system, the C-RNTI span is [003C, FFF2], and user terminal can judge by the C-RNTI that reads in the descending control signaling whether this control signaling belongs to this user terminal.
In present LTE system, user terminal is set up RRC and is connected with competitive mode and inserts at random with non-competing formula and insert dual mode at random, at this dual mode, adopts different C-RNTI allocation flow respectively.
Mode one: insert the situation that RRC connects of setting up at random at competitive mode.
Step 1, LTE system receive the request of access at random that user terminal sends, i.e. request is set up RRC and connected.
Step 2, LTE system insert request at random according to this, in the C-RNTI of LTE system codomain, choose 1 C-NRTI that is not assigned with arbitrarily, as interim C-RNTI, and send to this user terminal and to insert request response at random, carry interim C-NRTI and the feedback acknowledgment indication information chosen in this response message.
Step 3, user terminal send feedback acknowledgment message according to this feedback acknowledgment indication information to the LTE system.
Step 4, LTE system judge according to this feedback acknowledgment message whether the RRC of user terminal connects foundation successful, if success then sends the user to this user terminal and competes solution message.
Step 5, user terminal receive this user compete solve message after, the interim C-RNTI that receives can be used as formal C-RNTI and use.
Mode one: insert the situation that RRC connects of setting up at random at non-competing formula.
Step 1, LTE system receive the request of access at random that user terminal sends.
Step 2, LTE system insert request at random according to this, in the codomain of C-RNTI, choose 1 C-NRTI that is not assigned with arbitrarily and distribute to this user terminal as formal C-RNTI (non-interim C-RNTI).
Step 3, LTE system send to this user terminal and insert request response at random, carry the C-NRTI that chooses in this response message.
Step 4, user terminal use this C-NRTI that receives.
In sum, in the prior art, each sets up unique C-RNTI of user terminal distribution that RRC connects the LTE system, as the identify label of this user terminal.But in the LTE-Advanced system, because the existence of multicarrier, make problems such as access, scheduling all expand to multicarrier by original single carrier, and the LTE system is still for setting up 1 C-RNTI of each user terminal distribution that RRC connects, this mode may cause flexibility of multi-carrier operation not strong, restricted bigger problem is because system can't utilize 1 C-RNTI to indicate operation to different carrier.
Summary of the invention
The embodiment of the invention provides a kind of Cell Radio Network Temporary Identifier/Identity, Cell-RNTI collocation method and device, and network system can not be the problem that user terminal distributes a plurality of C-RNTI in the prior art to solve.
A kind of method of allocating cell radio network temporary identifier, network side has generating mode identical, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI with the user terminal agreement, receive the request of access at random of user terminal transmission when network side after, this method may further comprise the steps:
Network side is chosen the current C-RNTI that is not assigned with, and the generating mode according to the C-RNTI of C-RNTI that chooses and agreement generates N C-RNTI, as the identify label of described user terminal, wherein, N 〉=2;
Network side is sent to described user terminal with the C-RNTI that chooses.
A kind of method of allocating cell radio network temporary identifier, user terminal has generating mode identical, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI with the network side agreement, and this method may further comprise the steps:
User terminal behind the request message of access at random that network side sends, the C-RNTI that chooses for this user terminal that receives that network side returns;
Described user terminal generates N C-RNTI according to the generating mode of the C-RNTI of C-RNTI that receives and agreement, as the identify label of described user terminal, wherein, N 〉=2.
A kind of network equipment of allocating cell radio network temporary identifier comprises:
Memory cell is used to store the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI create-rule of arranging with user terminal;
Choose the unit, be used for the request of access at random, choose the current C-RNTI that is not assigned with according to the user terminal transmission;
Generation unit is used for the create-rule according to the C-RNTI of C-RNTI that chooses and agreement, generates N C-RNTI, as the identify label of described user terminal, wherein, N 〉=2;
Transmitting element, the C-RNTI that is used for choosing is sent to described user terminal.
A kind of user terminal of allocating cell radio network temporary identifier comprises:
Memory cell is used to store the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI create-rule of arranging with the network equipment;
Transmit-Receive Unit is used for sending the request that inserts at random to the network equipment, and the C-RNTI that chooses for this user terminal that receives that the described network equipment returns;
Generation unit, the create-rule that is used for the C-RNTI that stores according to the C-RNTI that receives and described memory cell generates N C-RNTI, as the identify label of described user terminal, wherein, N 〉=2.
In the above embodiment of the present invention, network side has generating mode identical, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI with the user terminal agreement, and network side is chosen the current C-RNTI that is not assigned with according to the request message of access at random that user terminal sends; Generating mode according to the C-RNTI of C-RNTI that chooses and agreement, generate the individual C-RNTI of N (N 〉=2), and the C-RNTI that chooses is sent to described user terminal, thereby user terminal can generate N C-RNTI according to the generating mode of the C-RNTI of C-RNTI that receives and agreement.The technical scheme that adopts the embodiment of the invention to provide, on the one hand, network side generates N C-RNTI according to the C-RNTI generating mode of choosing current C-RNTI that is not assigned with and user terminal agreement, and only the C-RNTI that chooses need be sent to user terminal, user terminal generates N C-RNTI according to the generating mode of the C-RNTI of C-RNTI that receives and agreement, therefore, can reduce consumption of resource; On the other hand, dispose a plurality of C-RNTI when RRC connects, therefore in the multi-carrier scheduling of network side is used, in the information of down control channel, add corresponding user C-RNTI as indication because the user sets up; The user is by detecting the C-RNTI in the Downlink Control Information, and with self a plurality of C-RNTI contrast, know the system carrier schedule information, thereby realize the scheduling of multicarrier, thereby improved the flexibility of the various scheduling operations of network side, for network side is realized providing a kind of valid approach to the management and the control of multi-carrier resource.
Description of drawings
Fig. 1 is the schematic diagram that user terminal uses a main carrier job in the prior art;
Fig. 2 uses the schematic diagram of a plurality of main carrier work based on the multi-carrier polymerizing technology for user terminal in the prior art;
When the user terminal that Fig. 3 A provides for the embodiment of the invention adopts the competitive mode access to set up the RRC connection, for this user terminal disposes one of schematic flow sheet of a plurality of C-RNTI;
When Fig. 3 B sets up RRC for user terminal that the embodiment of the invention provided adopts competitive mode to insert and connects, dispose for this user terminal a plurality of C-RNTI schematic flow sheet two;
When the user terminal that Fig. 4 A provides for the embodiment of the invention adopts non-competing formula access to set up the RRC connection, dispose one of schematic flow sheet of a plurality of C-RNTI for user terminal;
When the user that Fig. 4 B provides for the embodiment of the invention adopts competitive mode to insert to set up RRC and connects, dispose for user terminal a plurality of C-RNTI schematic flow sheet two;
Fig. 5 is the structural representation of the network equipment that the embodiment of the invention provided;
Fig. 6 is the structural representation of the user terminal that the embodiment of the invention provided.
Embodiment
Below in conjunction with Figure of description the embodiment of the invention is described in detail.
Referring to Fig. 3 A, when the user terminal that provides for the embodiment of the invention adopts competitive mode to insert to set up RRC and connects, for this user terminal disposes one of schematic flow sheet of a plurality of C-RNTI, user terminal has identical C-RNTI generating mode with the network side agreement, and this flow process may further comprise the steps:
Step 301, user terminal send the request that inserts at random to network side (as base station equipment), and the RRC that sets up this user terminal with request connects.
Step 302～303, network side insert request at random according to this, choose any one current C-RNTI that is not assigned with as basic C-RNTI from available C-RNTI set; And generate N C-RNTI according to the C-RNTI generating mode of this basic C-RNTI and agreement, as the identify label (N is that network side and user terminal are pre-set, and N 〉=2) of this user terminal.Store all current C-RNTI that are not assigned with in the C-RNTI threshold range in this available C-RNTI set.
In this step, network side generates the mode of N C-RNTI, and specific as follows: with basic C-RNTI is benchmark, is tolerance with the numerical value of arranging, and adopts the mode of arithmetic progression to generate N C-RNTI.As, be first term with this C-RNTI, be tolerance with the numerical value of arranging, adopt the mode of arithmetic progression to generate N the C-RNTI that value increases successively or reduces successively.The embodiment of the invention is not limited in and adopts the mode of arithmetic progression to generate N C-RNTI, can also adopt other comparatively conventional modes to generate C-RNTI.
Step 304, network side are sent to basic C-RNTI and feedback acknowledgment indication information to user terminal.
Preferably, be to save Internet resources, network side can be carried on existing response message (as inserting request response at random) with basic C-RNTI and feedback acknowledgment indication information and be sent to user terminal.
Step 305, user terminal generate N C-RNTI according to the C-RNTI generating mode of basic C-RNTI that receives and agreement.
In this step, user terminal generates N C-RNTI and is specially: with basic C-RNTI is benchmark, numerical value with agreement is tolerance, adopts the mode of arithmetic progression to generate N C-RNTI, and N the C-RNTI that user terminal generates is identical with N the C-RNTI that network side generates.
Step 306, user terminal send feedback acknowledgment message according to the feedback acknowledgment indication information that receives to network side.
Above-mentioned steps 305 does not have strict requirement with the order of step 306, can also be to carry out simultaneously.
Step 307～308, network side are according to this feedback acknowledgment message, the RRC that judges this user terminal connect set up successfully after, send competition to user terminal and solve message, so that user terminal uses basic C-RNTI according to this competition solution message and according to N C-RNTI that basic C-RNTI generated.
Preferably, network side is after generating N C-RNTI, N the C-RNTI that judge to generate whether satisfy configuration condition (this configuration condition for the value of N C-RNTI of generation all in the pre-set threshold scope, and a described N C-RNTI is current all is not assigned with), whether N the C-RNTI that promptly judge to generate is the element during available C-RNTI gathers, if satisfy, then basic C-RNTI be sent to user terminal; If not, then from available C-RNTI set, choose a current C-RNTI who is not assigned with again as basic C-RNTI, C-RNTI generating mode according to this basic C-RNTI that chooses again and agreement generates N C-RNTI again, the rest may be inferred, the C-RNTI generation of choosing up to basis all is N C-RNTI of the element of available C-RNTI set, and the C-RNTI that this is chosen is sent to user terminal.Owing to guaranteed further that at network side N the C-RNTI that produces can use, and therefore also guaranteed the availability at N C-RNTI of user terminal generation.
Preferably, network side is after sending response message to user terminal, with N C-RNTI deletion from available C-RNTI set of basic C-RNTI and generation, as C-RNTI being placed in the interim tabulation; The feedback acknowledgment message that network side sends according to user terminal is judged that the RRC of this user terminal connects and is set up whether success, if set up failure, then the C-RNTI in the temporary table is added into again in the available C-RNTI set; If set up successfully, then after user terminal disconnects the RRC connection, again the C-RNTI in the temporary table is added into again in the available C-RNTI set.Because N C-RNTI of basic C-RNTI and generation is placed in the temporary table, therefore follow-up when reclaiming N C-RNTI of this basic C-RNTI and generation, only the C-RNTI in the temporary table need be added in the available C-RNTI set and get final product, do not need to do a large amount of retrieval work again for N the C-RNTI that reclaims basic C-RNTI and generation, thereby simplify the maintenance work of C-RNTI, improve the C-RNTI maintenance efficiency.Network side is for reaching above-mentioned effect, can be not adopt N C-RNTI from the available C-RNTI set deletion of said method with basic C-RNTI and generation, can be that N C-RNTI with this basic C-RNTI and generation does a mark, currently distribute representing, if when network side judges that the RRC of user terminal connects the foundation failure, perhaps when successfully back user terminal disconnection RRC connection is set up in the RRC of user terminal connection, cancel the mark of N C-RNTI of basic C-RNTI and generation, to represent current not being assigned with.
Adopt competitive mode to insert to set up RRC at above-mentioned user terminal to connect, the embodiment of the invention also proposes another and disposes the flow process of a plurality of C-RNTI for user terminal, and this flow process is shown in Fig. 3 B.
Referring to Fig. 3 B, when setting up the RRC connection for the user terminal employing competitive mode access that the embodiment of the invention provided, dispose for this user terminal a plurality of C-RNTI schematic flow sheet two, user terminal and network side agreement has identical C-RNTI generating mode, this flow process may further comprise the steps:
Step 301 ', user terminal sends the request that inserts at random to network side, set up RRC with request and connect.This process is identical with step 301 among Fig. 3 A.
Step 302 ', network side inserts request at random according to this, from available C-RNTI set, choose N the current C-RNTI that is not assigned with arbitrarily and give this user terminal as interim C-RNTI set of dispense, as the identify label of this user terminal, the value of this N is that network side and user terminal are appointed.
Step 303 ', network side a plurality of C-RNTI and the feedback acknowledgment indication information that will choose be sent to user terminal.
In this step, a plurality of C-RNTI that network side will be chosen and feedback acknowledgment indication information are carried on accidental access response message and are sent to this user terminal.
Step 304 ', user terminal is according to the feedback acknowledgment indication information that receives, sends feedback acknowledgment message to network side.This step is consistent with step 305 among Fig. 3 A.
Step 305 '～306 ', network side is according to this feedback acknowledgment message, the RRC that judges this user terminal connects and sets up successfully, then sends competition to user terminal and solves message, so that user terminal is according to these a plurality of C-RNTI of this competition solution message use.
Preferably, network side is after sending response message to user terminal, with N C-RNTI deletion from available C-RNTI set of choosing, as C-RNTI being placed in the interim tabulation; The feedback acknowledgment message that network side sends according to user terminal is judged that the RRC of this user terminal connects and is set up whether success, if set up failure, then the C-RNTI in the temporary table is added into again in the available C-RNTI set; If set up successfully, then after user terminal disconnects the RRC connection, again C-RNTI in the temporary table is added into again in the available C-RNTI set.Because N the C-RNTI that chooses is placed in the temporary table, therefore follow-up when reclaiming this N C-RNTI, only the C-RNTI in the temporary table need be added in the available C-RNTI set and get final product, do not need to do a large amount of retrieval work again for reclaiming N C-RNTI, thereby simplify the maintenance work of C-RNTI, improve the C-RNTI maintenance efficiency; Perhaps, network side is after user terminal sends response message, in available C-RNTI set, being respectively N the C-RNTI that has chosen makes marks, be assigned with to represent that this C-RNTI is current,, perhaps connect when setting up successfully back and user terminal disconnection RRC connection at the RRC of user terminal if judge that at network side the RRC of user terminal connects when setting up failure, cancel the mark of this N C-RNTI, to represent current not being assigned with.
Referring to Fig. 4 A, when the user terminal that provides for the embodiment of the invention adopts non-competing formula to insert to set up RRC and connects, dispose one of schematic flow sheet of a plurality of C-RNTI for user terminal, user terminal has identical C-RNTI generating mode with the network side agreement, and this flow process may further comprise the steps:
Step 401, user terminal send the request that inserts at random to network side, and the RRC that sets up this user terminal with request connects.
Step 402～403, network side insert request at random according to this, from available C-RNTI set, choose current any one C-RNTI that is not assigned with as basic C-RNTI, and generate N C-RNTI according to the C-RNTI generating mode of this basic C-RNTI and agreement, identify label (N is that network side and user terminal are pre-set, and N 〉=2) as this user terminal.
Network side generates the mode of the implementation of N C-RNTI referring to N C-RNTI of network side generation in the step 303 of Fig. 3 A.
The basic C-RNTI that step 404, network side will be chosen is sent to user terminal.
In this step, network side can be carried on basic C-RNTI and insert request response at random and be sent to user terminal.
Step 405, user terminal generate N C-RNTI according to the C-RNTI generating mode of basic C-RNTI that receives and agreement.
In this step, user terminal generates the mode of the implementation of N C-RNTI referring to N C-RNTI of user terminal generation in the step 305 of Fig. 3 A.
Preferably, network side is after generating N C-RNTI, N the C-RNTI that judge to generate whether satisfy configuration condition (this configuration condition for the value of N C-RNTI of generation all in the pre-set threshold scope and a described N C-RNTI is current all is not assigned with), whether N the C-RNTI that promptly judge to generate is the element during available C-RNTI gathers, if satisfy, then basic C-RNTI be sent to user terminal; If do not satisfy, then from available C-RNTI set, choose a current C-RNTI who is not assigned with again as basic C-RNTI, C-RNTI generating mode according to this basic C-RNTI that chooses again and agreement generates N C-RNTI again, the rest may be inferred, the C-RNTI generation of choosing up to basis all is N C-RNTI of the element of available C-RNTI set, and the C-RNTI that this is chosen is sent to user terminal.Owing to guaranteed further that at network side N the C-RNTI that produces can use, and therefore also guaranteed the availability at N C-RNTI of user terminal generation.
Preferably, network side is after sending response message to user terminal, with N C-RNTI deletion from available C-RNTI set of basic C-RNTI and generation, as C-RNTI being placed in the interim tabulation; Network side is after this user terminal disconnects the RRC connection, again C-RNTI in the temporary table is added into again in the available C-RNTI set, because N C-RNTI of basic C-RNTI and generation is placed in the temporary table, therefore follow-up when reclaiming N C-RNTI of this basic C-RNTI and generation, only the C-RNTI in the temporary table need be added in the available C-RNTI set and get final product, do not need to do a large amount of retrieval work again for N the C-RNTI that reclaims basic C-RNTI and generation, thereby simplify the maintenance work of C-RNTI, improve the C-RNTI maintenance efficiency.
Adopt non-competing formula to insert to set up RRC at above-mentioned user terminal to connect, the embodiment of the invention also proposes another and disposes the flow process of a plurality of C-RNTI for user terminal, and this flow process is shown in Fig. 4 B.
Referring to Fig. 4 B, when the user who provides for the embodiment of the invention adopts competitive mode to insert to set up RRC and connects, dispose for user terminal a plurality of C-RNTI schematic flow sheet two, user terminal and network side agreement has identical C-RNTI generating mode, this flow process may further comprise the steps:
Step 401 ', user terminal sends the request that inserts at random to network side, the RRC that sets up this user terminal with request connects.
Step 402 ', network side inserts request at random according to this, from available C-RNTI set, choose N the current C-RNTI that is not assigned with arbitrarily and give this user terminal, as the identify label of this user terminal as interim C-RNTI set of dispense.
Step 403 ', network side is carried on accidental access response message with N the C-RNTI that chooses and is sent to this user terminal.
Step 404 ', user terminal uses this N that receives C-RNTI.
Preferably, network side is after sending response message to user terminal, with N C-RNTI deletion from available C-RNTI set of choosing, as C-RNTI being placed in the interim tabulation; Network side is added into C-RNTI in the available C-RNTI set after this user terminal disconnects the RRC connection more again.Because N the C-RNTI that chooses is placed in the temporary table, therefore follow-up when reclaiming this N C-RNTI, only the C-RNTI in the temporary table need be added in the available C-RNTI set and get final product, do not need N the C-RNTI that chooses for recovery to do a large amount of retrieval work again, thereby simplify the maintenance work of C-RNTI, improve the C-RNTI maintenance efficiency.
Realized that by above-mentioned flow process network side distributes a plurality of C-RNTI for each user terminal of setting up the RRC connection, in actual applications, network side on the one hand, can add corresponding C-RNTI as indication in the control information of down control channel when carrying out multi-carrier scheduling; User terminal is after receiving this control information, parse C-RNTI wherein, and the C-RNTI that parses and all C-RNTI of user terminal compared, if certain C-RNTI of user terminal is identical with the C-RNTI that parses, then can determines this control information and send to this user terminal; On the other hand, network side a plurality of C-RNTI of user terminal can also be shone upon one by one with the content of control signaling (as, some C-RNTI wherein control signaling corresponding to multi-carrier scheduling, some in addition C-RNTI permit control information etc. corresponding to uplink scheduling), user terminal can be discerned the content of this control signaling according to the C-RNTI in the control signaling that receives, and according to the relevant operation of this content execution, thereby the scheduling operation of realization multicarrier.
Based on identical technical conceive, the embodiment of the invention also provides the structure of the network equipment and the user terminal that are used to dispose C-RNTI, and this network equipment can be a base station equipment.
Referring to Fig. 5, be the structural representation of the network equipment that the embodiment of the invention provided, this network equipment comprises:
Receiving element 51 is used to receive the request of access at random that user terminal sends.
Choose unit 52, be used for the request of access at random, choose the current C-RNTI that is not assigned with according to the user terminal transmission.
Transmitting element 56 is used for being sent to described user terminal with choosing the C-RNTI that chooses unit 52.Transmitting element 56 is sent to user terminal with the C-RNTI that chooses and is specially: the C-RNTI that chooses is carried on accidental access response message is sent to described user terminal.
Preferably, the availability of N the C-RNTI that generates in order to ensure user terminal, this network side also can comprise:
Judging unit 55 is used to judge whether N the C-RNTI that generation unit 54 generates satisfies configuration condition, if do not satisfy, then indication is chosen unit 52 and chosen C-RNTI again; If satisfy, then indicate transmitting element 56 to send and choose the C-RNTI that unit 52 is chosen; This configuration condition for the value of N C-RNTI generating all in the pre-set threshold scope, a described N C-RNTI is current all not to be assigned with.In this case, choose unit 52 and be further used for,, choose the current C-RNTI that is not assigned with again according to the indication of described judging unit; Generation unit 54 is further used for, and generates N C-RNTI according to the described create-rule of choosing the C-RNTI of the C-RNTI that chooses again the unit and memory cell 53 storages; Transmitting element 56 is further used for, and after judging unit 55 judges that N C-RNTI of generation unit 54 generations satisfies configuration condition, is sent to user terminal with choosing the C-RNTI that chooses unit 52.
This network equipment also can comprise:
Processing unit 57 is used for after generation unit 54 generates N C-RNTI, deletes during the C-RNTI that the C-RNTI that chooses and N the C-RNTI that generates according to this C-RNTI never are assigned with gathers; And, when this RRC connection of successfully back disconnection is set up in the RRC of user terminal connection, the C-RNTI that deletes is added the C-RNTI that is not assigned with again gather.
This network equipment can comprise that also another kind of processing unit (not illustrating in the drawings) replaces processing unit 57, this unit is used for after generation unit 54 generates N C-RNTI, deletes during the C-RNTI that the C-RNTI that chooses and N the C-RNTI that generates according to this C-RNTI never are assigned with gathers; And, when the RRC that judges user terminal connects the foundation failure, the C-RNTI of deletion is added the described C-RNTI set that is not assigned with again, otherwise after described user terminal disconnects described RRC connection, the C-RNTI that deletes is added the described C-RNTI set that is not assigned with again.
Referring to Fig. 6, be the structural representation of the user terminal that the embodiment of the invention provided, this user terminal comprises:
Transmit-Receive Unit 61 is used for sending the request that inserts at random to the network equipment; And, the C-RNTI that chooses for this user terminal that receives that the described network equipment returns.
The embodiment of the invention, for each user terminal of setting up the RRC connection distributes a plurality of C-RNTI, network side on the one hand, can add corresponding C-RNTI as indication in the control information of down control channel when carrying out multi-carrier scheduling; User terminal is after receiving this control information, parse C-RNTI wherein, and the C-RNTI that parses and all C-RNTI of user terminal compared, if certain C-RNTI of user terminal is identical with the C-RNTI that parses, then can determines this control information and send to this user terminal; On the other hand, network side a plurality of C-RNTI of user terminal can also be shone upon one by one with the content of control signaling (as, some C-RNTI wherein control signaling corresponding to multi-carrier scheduling, some in addition C-RNTI permit control information etc. corresponding to uplink scheduling), user terminal can be discerned the content of this control signaling according to the C-RNTI in the control signaling that receives, and according to the relevant operation of this content execution, thereby the scheduling operation of realization multicarrier; Therefore, the flexibility that the technical scheme that adopts the embodiment of the invention to provide has improved the various scheduling operations of network side is for network side is realized providing a kind of valid approach to the management and the control of multi-carrier resource; And, the embodiment of the invention is chosen the current C-RNTI that is not assigned with at network side, other a plurality of C-RNTI are by network side and the user terminal C-RNTI create-rule generation of agreement in advance, thereby technical solution of the present invention is to set up that user terminal that RRC connects disposes a plurality of C-RNTI institute um resource consumed and to dispose a C-RNTI institute um resource consumed identical, thereby realize not increasing interface-free resources situation under be embodied as user terminal and dispose a plurality of C-RNTI, saved interface-free resources.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (17)
1. the method for an allocating cell radio network temporary identifier, it is characterized in that, network side and user terminal agreement has generating mode identical, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI, and after network side received the request of access at random that user terminal sends, this method may further comprise the steps:
Network side is chosen the current C-RNTI that is not assigned with, and the generating mode according to the C-RNTI of C-RNTI that chooses and agreement generates N C-RNTI, as the identify label of described user terminal, wherein, N 〉=2;
Network side is sent to described user terminal with the C-RNTI that chooses.
2. the method for claim 1 is characterized in that, the C-RNTI that chooses is sent to before the described user terminal, also comprises step:
Network side judges whether a described N C-RNTI satisfies configuration condition, if do not satisfy, then chooses the current C-RNTI that is not assigned with again, and generates N C-RNTI according to the generating mode of the C-RNTI of C-RNTI that chooses again and agreement; The rest may be inferred, up to produce N the C-RNTI that satisfies described configuration condition according to the C-RNTI that chooses; Described configuration condition is that the value of a described N C-RNTI is all in the pre-set threshold scope and a described N C-RNTI is current all is not assigned with;
The C-RNTI that chooses is sent to described user terminal, is specially:
Network side is sent to described user terminal with the C-RNTI that chooses after judging that N the C-RNTI that generates satisfies described configuration condition.
3. method as claimed in claim 1 or 2 is characterized in that, network side generates after N the C-RNTI, also comprises step:
Delete in the C-RNTI set that network side never is assigned with the C-RNTI that chooses and N C-RNTI generating according to this C-RNTI;
Network side is sent to the C-RNTI that chooses after the described user terminal, also comprises step:
Network side receives the feedback acknowledgment message that described user terminal sends;
Network side connects the foundation failure according to this feedback acknowledgment message if judge the RRC of user terminal, and then the C-RNTI with deletion adds the described C-RNTI set that is not assigned with again; Otherwise, after described user terminal disconnects described RRC connection, the C-RNTI that deletes is added the described C-RNTI set that is not assigned with again.
4. method as claimed in claim 1 or 2 is characterized in that, network side also comprises step after described user terminal sends the C-RNTI that chooses:
Deletion in the C-RNTI set that network side never is assigned with N C-RNTI of the C-RNTI that chooses and generation;
After described user terminal disconnected the RRC connection, network side added the described C-RNTI set that is not assigned with again with the C-RNTI of deletion.
5. method as claimed in claim 1 or 2 is characterized in that, network side is sent to described user terminal with the C-RNTI that chooses, and is specially: the C-RNTI that chooses is carried on response message is sent to described user terminal.
6. the method for claim 1 is characterized in that, network side is sent to the C-RNTI that chooses after the described user terminal, also comprises:
Described user terminal generates N C-RNTI according to the generating mode of the C-RNTI of C-RNTI that receives and agreement, as the identify label of described user terminal.
7. as claim 1 or 6 described methods, it is characterized in that, generate N C-RNTI, be specially according to the generating mode of the C-RNTI of C-RNTI that chooses and agreement:
With the C-RNTI that chooses is benchmark, is tolerance with the numerical value of arranging, and adopts the mode of arithmetic progression to generate N C-RNTI.
8. the method for an allocating cell radio network temporary identifier is characterized in that, user terminal has generating mode identical, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI with the network side agreement, and this method may further comprise the steps:
User terminal behind the request message of access at random that network side sends, the C-RNTI that chooses for this user terminal that receives that network side returns;
Described user terminal generates N C-RNTI according to the generating mode of the C-RNTI of C-RNTI that receives and agreement, as the identify label of described user terminal, wherein, N 〉=2.
9. method as claimed in claim 8 is characterized in that, generates N C-RNTI according to the generating mode of the C-RNTI of C-RNTI that receives and agreement, is specially:
With the C-RNTI that receives is benchmark, is tolerance with the numerical value of arranging, and adopts the mode of arithmetic progression to generate N C-RNTI.
10. the network equipment of an allocating cell radio network temporary identifier is characterized in that, comprising:
Memory cell is used to store the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI create-rule of arranging with user terminal;
Choose the unit, be used for the request of access at random, choose the current C-RNTI that is not assigned with according to the user terminal transmission;
Generation unit is used for the create-rule according to the C-RNTI of C-RNTI that chooses and agreement, generates N C-RNTI, as the identify label of described user terminal, wherein, N 〉=2;
Transmitting element, the C-RNTI that is used for choosing is sent to described user terminal.
11. the network equipment as claimed in claim 10 is characterized in that, described generation unit generates N C-RNTI and is: with the C-RNTI that chooses is benchmark, is tolerance with the numerical value of arranging, and adopts the mode of arithmetic progression to generate N C-RNTI.
12. the network equipment as claimed in claim 10 is characterized in that, also comprises:
Judging unit is used to judge whether N the C-RNTI that described generation unit generates satisfies configuration condition, if do not satisfy, then indicates the described unit of choosing to choose C-RNTI again; If satisfy, then indicate described transmitting element to send the described C-RNTI that chooses unit selection; Described configuration condition is that the value of a described N C-RNTI is all in the pre-set threshold scope and a described N C-RNTI is current all is not assigned with;
The described unit of choosing is further used for, and according to the indication of described judging unit, chooses the current C-RNTI that is not assigned with again;
Described generation unit is further used for, and generates N C-RNTI according to the described create-rule of choosing the C-RNTI of the C-RNTI that chooses again the unit and described cell stores;
Described transmitting element is further used for, and according to the indication of described judging unit, the described C-RNTI that chooses unit selection is sent to described user terminal.
13., it is characterized in that described transmitting element is sent to described user terminal with the C-RNTI that chooses and is: the C-RNTI that chooses is carried on response message is sent to described user terminal as each described network equipment of claim 10～12.
14. as each described network equipment of claim 10～12, it is characterized in that, also comprise:
First processing unit is used for after described generation unit generates N C-RNTI, deletes during the C-RNTI that the C-RNTI that chooses and N the C-RNTI that generates according to this C-RNTI never are assigned with gathers; And, when the described RRC of disconnection connects after the RRC of described user terminal connection is set up successfully, the C-RNTI that deletes is added the described C-RNTI that is not assigned with again gather.
15. as each described network equipment of claim 10～12, it is characterized in that, also comprise:
Second processing unit is used for after described generation unit generates N C-RNTI, deletes during the C-RNTI that the C-RNTI that chooses and N the C-RNTI that generates according to this C-RNTI never are assigned with gathers; And, when the RRC that judges user terminal connects the foundation failure, the C-RNTI of deletion is added the described C-RNTI set that is not assigned with again, otherwise after described user terminal disconnects described RRC connection, the C-RNTI that deletes is added the described C-RNTI set that is not assigned with again.
16. the user terminal of an allocating cell radio network temporary identifier is characterized in that, comprising:
Memory cell is used to store the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI create-rule of arranging with the network equipment;
Transmit-Receive Unit is used for sending the request that inserts at random to the network equipment, and the C-RNTI that chooses for this user terminal that receives that the described network equipment returns;
Generation unit, the create-rule that is used for the C-RNTI that stores according to the C-RNTI that receives and described memory cell generates N C-RNTI, as the identify label of described user terminal, wherein, N 〉=2.
17. user terminal as claimed in claim 16 is characterized in that, described generation unit generates N C-RNTI and is: with the C-RNTI that receives is benchmark, is tolerance with the numerical value of arranging, and adopts the mode of arithmetic progression to generate N C-RNTI.
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| CN2009100861264A CN101909355A (en) | 2009-06-02 | 2009-06-02 | Method and equipment for allocating cell radio network temporary identifier |
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| CN2009100861264A CN101909355A (en) | 2009-06-02 | 2009-06-02 | Method and equipment for allocating cell radio network temporary identifier |
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| CN101909355A true CN101909355A (en) | 2010-12-08 |
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| CN2009100861264A Pending CN101909355A (en) | 2009-06-02 | 2009-06-02 | Method and equipment for allocating cell radio network temporary identifier |
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Cited By (7)
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| CN102378263A (en) * | 2011-11-01 | 2012-03-14 | 新邮通信设备有限公司 | Method and system for equalizing distribution of physical downlink control channels |
| CN105472600A (en) * | 2015-11-20 | 2016-04-06 | 北京佰才邦技术有限公司 | C-RNTI configuration method, apparatus, and system |
| CN105493537A (en) * | 2014-12-29 | 2016-04-13 | 华为技术有限公司 | Distribution method and equipment of cell radio network temporary identity (C-RNTI) |
| WO2016161621A1 (en) * | 2015-04-10 | 2016-10-13 | 富士通株式会社 | Method for allocating cell radio network temporary identifier, device and communication system |
| CN109392180A (en) * | 2017-08-11 | 2019-02-26 | 中国移动通信有限公司研究院 | A kind of accidental access method, network side equipment and mobile communication terminal |
| WO2019137368A1 (en) * | 2018-01-11 | 2019-07-18 | 维沃移动通信有限公司 | System information transmitting method and user terminal |
| CN114554502A (en) * | 2020-11-18 | 2022-05-27 | 大唐移动通信设备有限公司 | Method, device, base station and medium for distributing cell wireless network temporary identifier |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378263A (en) * | 2011-11-01 | 2012-03-14 | 新邮通信设备有限公司 | Method and system for equalizing distribution of physical downlink control channels |
| US10772077B2 (en) | 2014-12-29 | 2020-09-08 | Huawei Technologies Co., Ltd. | Cell radio network temporary identifier C-RNTI allocation method and device |
| CN105493537A (en) * | 2014-12-29 | 2016-04-13 | 华为技术有限公司 | Distribution method and equipment of cell radio network temporary identity (C-RNTI) |
| WO2016106507A1 (en) * | 2014-12-29 | 2016-07-07 | 华为技术有限公司 | Method and device for allocating cell-radio network temporary identifier (c-rnti) |
| CN105493537B (en) * | 2014-12-29 | 2019-05-28 | 华为技术有限公司 | A kind of distribution method and equipment of Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI |
| WO2016161621A1 (en) * | 2015-04-10 | 2016-10-13 | 富士通株式会社 | Method for allocating cell radio network temporary identifier, device and communication system |
| CN105472600B (en) * | 2015-11-20 | 2019-03-12 | 北京佰才邦技术有限公司 | C-RNTI configuration method and apparatus and system |
| CN105472600A (en) * | 2015-11-20 | 2016-04-06 | 北京佰才邦技术有限公司 | C-RNTI configuration method, apparatus, and system |
| CN109392180A (en) * | 2017-08-11 | 2019-02-26 | 中国移动通信有限公司研究院 | A kind of accidental access method, network side equipment and mobile communication terminal |
| WO2019137368A1 (en) * | 2018-01-11 | 2019-07-18 | 维沃移动通信有限公司 | System information transmitting method and user terminal |
| CN110035473A (en) * | 2018-01-11 | 2019-07-19 | 维沃移动通信有限公司 | A kind of transmission method and user terminal of system information |
| CN110035473B (en) * | 2018-01-11 | 2020-11-20 | 维沃移动通信有限公司 | System information transmission method and user terminal |
| US11219071B2 (en) | 2018-01-11 | 2022-01-04 | Vivo Mobile Communication Co., Ltd. | System information transmission method and user terminal |
| CN114554502A (en) * | 2020-11-18 | 2022-05-27 | 大唐移动通信设备有限公司 | Method, device, base station and medium for distributing cell wireless network temporary identifier |
| CN114554502B (en) * | 2020-11-18 | 2023-08-29 | 大唐移动通信设备有限公司 | Distribution method, device, base station and medium for cell wireless network temporary identifier |
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