CN102802269A - Method, device and system for processing scheduling information - Google Patents
Method, device and system for processing scheduling information Download PDFInfo
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- CN102802269A CN102802269A CN2012103025961A CN201210302596A CN102802269A CN 102802269 A CN102802269 A CN 102802269A CN 2012103025961 A CN2012103025961 A CN 2012103025961A CN 201210302596 A CN201210302596 A CN 201210302596A CN 102802269 A CN102802269 A CN 102802269A
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Abstract
The invention discloses a method, a device and a system for processing scheduling information. The method comprises the steps of: based on the device and the system for processing the scheduling information, sequencing G-RNTI (Group Radio Network Temporary Identifier) to be used by each group according to a preset priority level; regrouping the sequenced G-RNTI according to a first preset condition, and determining Com-G-RNTIs (Common Group Radio Network Temporary Identifier) for labeling public groups respectively according to a second preset condition; generating a scheduling information group corresponding to the Com-G-RNTIs, transmitting the scheduling information groups to a UE (User Equipment) side through PDCCH (Physical Downlink Control Channel), and enabling the UE side to carry out blind test on the scheduling information groups according to each pre-received Com-G-RNTI and acquire scheduling information corresponding to G-RNTI used by the group of UE from the determined scheduling information groups corresponding to Com-G-RNTIs to be acquired. According to the invention, compared with the blind test based on G-RNTI, the blind test carried out by the UE according to Com-G-RNTI is effectively reduced in times and reduced in time delay, and thus, the communication reliability of an LTE (Long Term Evolution)-based trunking communication system is guaranteed.
Description
Technical field
The present invention relates to wireless communication technology field, relate to method, Apparatus and system that a kind of schedule information is handled in particular.
Background technology
Trunked communication system be a kind of be main with command scheduling, towards the proprietary wireless communication system of specific industry.This system adopts single worker or half-duplex mode communication, and (channel utilization is high for Push To Talk, PTT) obtaining and discharge of key control channel, and call proceeding is fast through PoC during work; The user shares down channel in the group, and resource utilization is high.
Along with the develop rapidly of Internet technology in the GSM, and the Large scale construction in global radio city, the broadband development trend that becomes whole radio communication.Correspondingly, the broadband business demand of trunked communication system is also more remarkable.Long evolving system (Long Term Evolution system is hereinafter to be referred as LTE) as accurate 4G wireless communication system, can satisfy the broadband growth requirement of trunked communication system, has derived thus based on the trunked communication system of LTE.This system has the function of LTE public network and trunked communication system simultaneously.
For the LTE public network; Schedule information is through carrying a DCI (Downlink Control Information; Downlink Control Information) PDCCH (Physical Downlink Control Channel; Physical Downlink Control Channel) is transferred to UE (User Equipment, subscriber equipment) side.
In the process that schedule information is transmitted; The DCI that eNodeB (enhanced base station) is at first corresponding with different schedule informations carries out CRC (Cyclical Redundancy Check; CRC) interpolation uses corresponding RNTI (Radio Network Temporary Identifier, Radio Network Temporary Identifier) that the CRC that adds is carried out scrambling simultaneously.Then; To add through CRC and the RNTI scrambling after schedule information encode, rate-matched, PDCCH are multiplexing, the processing of modulation, scrambling and antenna mapping, will pass through at last schedule information after above-mentioned a series of processing through the PDCCH Channel Transmission to the UE side.
In the UE side, UE does not know whether eNodeB sends out schedule information to oneself, does not know the DCI type of schedule information use and the particular location that DCI sends yet.UE only knows if eNodeB sends out schedule information to oneself, the possible position that DCI type that possibly adopt and DCI send.The possible position that DCI type that these are possible and DCI send has constituted the search volume.UE need carry out blind check in the search volume, promptly each possible DCI type and possible position are carried out the PDCCH demodulation, removes descrambling CRC with corresponding RNTI, obtains correct DCI, thereby parses own corresponding schedule information.
For trunked communication system, except the distinctive RNTI of LTE public network, also can increase a large amount of G-RNTI (Group RNTI, based on the proprietary sign in the trunked communication system of LTE, its function is identical with RNTI in the LTE public network) in the search volume based on LTE.Concerning UE, obtain correct DCI, then need the number of times of blind check to increase considerably, correspondingly,, thereby cause the trunked communication system of LTE communication failure possibly occur because the time delay that blind check causes will be excessive.
Summary of the invention
In view of this; The invention provides method, Apparatus and system that a kind of schedule information is handled; Increase a large amount of G-RNTI to overcome in the prior art because search volume; Make UE blind check number of times increase, cause time delay excessive, thereby cause the trunked communication system of LTE the problem of communication failure possibly occur.
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of schedule information processing method comprises:
The group calling Radio Network Temporary Identifier (G-RNTI) to be used to each group sorts according to preset priority;
G-RNTI after the ordering is pre-conditionedly heavily divided into groups according to first, and pre-conditionedly confirm to be used to identify the corresponding public group calling Radio Network Temporary Identifier (Com-G-RNTI) of each common set of back of heavily dividing into groups respectively according to second;
Generate the schedule information group of corresponding said Com-G-RNTI, comprise several schedule informations in the said schedule information group, the corresponding G-RNTI of schedule information;
Said schedule information group is transferred to subscriber equipment (UE) side through Physical Downlink Control Channel (PDCCH); Make the UE lateral root carry out blind check to said schedule information group, and obtain the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain according to said each Com-G-RNTI of receiving in advance.
Preferably,
Said according to second pre-conditioned confirm that respectively each common set after a Com-G-RNTI counterweight divides into groups identifies after, comprising:
Said each Com-G-RNTI information is transferred to the UE side through Physical Downlink Shared Channel (PDSCH), the foundation during as the blind check of UE side.
Preferably,
G-RNTI to after the ordering comprises according to the first pre-conditioned process of heavily dividing into groups:
Confirm to distribute in each common set the number of G-RNTI according to the corresponding candidate PDCCH number of each polymerization grade in the UE dedicated search space;
G-RNTI after the ordering is divided into the descending common set of polymerization grade successively.
Preferably,
Can distribute the corresponding relation of the G-RNTI number candidate PDCCH number corresponding to comprise in the common set of said each polymerization grade correspondence with this polymerization grade:
Can distribute the number candidate PDCCH number corresponding of G-RNTI to equate in the common set of said each polymerization grade correspondence with this polymerization grade;
Wherein, said polymerization grade is descending comprises successively: polymerization grade 8, polymerization class 4, polymerization grade 2 and polymerization grade 1;
Said set class 8 corresponding candidate PDCCH numbers are 2;
The candidate PDCCH number that said polymerization class 4 is corresponding is 2;
Said polymerization grade 2 corresponding candidate PDCCH numbers are 6;
Said polymerization grade 1 corresponding candidate PDCCH number is 6.
Preferably,
Said second pre-conditioned the comprising:
The preset the highest G-RNTI of priority is confirmed as Com-G-RNTI in each common set.
Preferably,
The process of the schedule information group of the corresponding said Com-G-RNTI of said generation comprises:
Step S101: according to current C om-G-RNTI, calculate the position in UE dedicated search space, confirm the number of the control channel element (CCE) that the corresponding pending schedule information group of said current C om-G-RNTI takies;
Step S102: judge in the said UE dedicated search space whether clear position is arranged.If have, execution in step S103 then; If do not have, then execution in step S104;
Step S103: judge whether the corresponding pending schedule information group of said current C om-G-RNTI can be placed on the clear position in said UE dedicated search space, if, execution in step S106 then; If deny, then execution in step S104;
Whether step S104: judging has idle position in the common search space, if having, and execution in step S105 then; If do not have, then execution in step S110;
Step S105: judge whether the corresponding pending schedule information group of said current C om-G-RNTI can be placed on the clear position in said common search space, if, execution in step S106 then, if not, execution in step S110 then;
Step S106: according to specific Downlink Control Information (DCI) form said pending schedule information group is carried out format restriction, generate the corresponding particular schedule information sets of current C om-G-RNTI;
Step S107: said particular schedule information sets is added Cyclic Redundancy Check, and the CRC that adds is carried out scrambling according to the G-RNTI to be used of each group;
Step S108: carry out rate-matched to adding through each the pending schedule information in the later said particular schedule information sets of the CRC of G-RNTI scrambling;
Step S109: each the pending schedule information that will carry out in the said particular schedule information sets after the rate-matched is placed on the clear position in UE dedicated search space or common search space;
Step S110: in UE dedicated search space and the common search space do not have to abandon the operation of current C om-G-RNTI under the situation of clear position, and return step S101;
Step S111: judge whether each Com-G-RNTI finishes dealing with; If then generate the schedule information group of corresponding said Com-G-RNTI; If, do not return step S101.
Preferably,
Said specific DCI form comprises: DCI form 1A and/or DCI form 1.
Preferably,
Judge among the step S103 that the process whether corresponding schedule information group of current C om-G-RNTI can be placed on the clear position in UE dedicated search space comprises:
When the number of the CCE that the corresponding schedule information group of current C om-G-RNTI takies less than UE dedicated search space in clear position can place the number of CCE the time, the schedule information group that current C om-G-RNTI is corresponding can be placed in the said UE dedicated search space on the clear position.
Preferably,
Judge in the step 105 that the process whether corresponding schedule information group of current C om-G-RNTI can be placed on the clear position of search volume comprises:
Step S201: judge whether the corresponding polymerization grade of the corresponding schedule information group of current C om-G-RNTI is 4 or 8, if, execution in step S202 then; If deny, then execution in step S110;
Step S202: judge the number whether number of the CCE that the corresponding schedule information group of current C om-G-RNTI takies can place CCE less than clear position in the common search space, if less than, execution in step S106 then; If be not less than, execution in step S110 then.
A kind of schedule information processing unit is characterized in that, comprising:
Sequencing unit is used for the G-RNTI to be used of each group is sorted according to preset priority;
Heavy grouped element is used for the G-RNTI after the ordering is pre-conditionedly heavily divided into groups according to first, and pre-conditionedly confirms to be used to identify the corresponding Com-G-RNTI of each common set of back of heavily dividing into groups respectively according to second;
The schedule information generation unit is used to generate the schedule information group of corresponding said Com-G-RNTI, comprises several schedule informations in the said schedule information group, the corresponding G-RNTI of schedule information;
The schedule information transmission unit; Be used for said schedule information group is transferred to the UE side through PDCCH; Make the UE lateral root carry out blind check to said schedule information group, and obtain the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain according to said each Com-G-RNTI of receiving in advance.
Preferably, comprising:
The grouping information transmission unit is used for said each Com-G-RNTI information is transferred to the UE side through PDSCH the foundation during as the blind check of UE side.
Preferably, said heavy grouped element comprises:
Heavy grouping module is used for confirming can distribute in each common set according to the corresponding candidate PDCCH number of each polymerization grade in the UE dedicated search space number of G-RNTI the G-RNTI after the ordering being divided into the descending common set of polymerization grade successively;
The Com-G-RNTI determination module is used for pre-conditionedly confirming to be used to identify the corresponding Com-G-RNTI of each common set of back of heavily dividing into groups respectively according to second.
Preferably,
Said schedule information generation unit comprises:
Computing module is used for according to current C om-G-RNTI, calculates the position in UE dedicated search space, confirms the number of the CCE that the corresponding pending schedule information group of said current C om-G-RNTI takies;
First judge module is used for judging whether said UE dedicated search space has clear position;
Second judge module is used to judge whether the corresponding pending schedule information group of said current C om-G-RNTI can be placed into the clear position in said UE dedicated search space;
The 3rd judge module is used for judging whether the common search space has idle position;
The 4th judge module is used to judge whether the corresponding pending schedule information group of said current C om-G-RNTI can be placed into the clear position in said common search space;
The format restriction module is used for according to specific DCI form said pending schedule information group being carried out format restriction, generates the corresponding particular schedule information sets of current C om-G-RNTI;
Add CRC and scrambling module, be used for said particular schedule information sets is added CRC, and the CRC that adds is carried out scrambling according to the G-RNTI to be used of each group;
The rate-matched module is used for carrying out rate-matched to adding through each pending schedule information of the later said particular schedule information sets of the CRC of G-RNTI scrambling;
The schedule information placement module is used for each pending schedule information of carrying out the said particular schedule information sets after the rate-matched is placed on the clear position in UE dedicated search space or common search space;
The 5th judge module is used to judge whether each Com-G-RNTI finishes dealing with.
A kind of schedule information treatment system is characterized in that, comprising:
Schedule information processing unit and terminal;
Wherein, said schedule information processing unit is a schedule information processing unit described above;
Said terminal is carried out blind check according to said each Com-G-RNTI that receives in advance to said schedule information group, and obtains the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain.
Can know via above-mentioned technical scheme, compared with prior art, the invention discloses the methods, devices and systems that a kind of schedule information is handled.Based on device and system that this schedule information is handled, the G-RNTI to be used to each group sorts according to preset priority; G-RNTI after the ordering is pre-conditionedly heavily divided into groups according to first, and pre-conditionedly confirm a Com-G-RNTI who is used to identify common set respectively according to second; Generate the schedule information group of corresponding Com-G-RNTI; And the schedule information group is transferred to the UE side through PDCCH; Make the UE lateral root carry out blind check to the scheduling information sets, and obtain the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain according to each Com-G-RNTI that receives in advance.UE is according to the Com-G-RNTI blind check, and with respect to according to the G-RNTI blind check, number of times can effectively reduce, and reduces time delay, thereby has guaranteed the trunked communication system communication reliability based on LTE.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is embodiments of the invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 is the embodiment of the invention one disclosed schedule information process flow figure;
Fig. 2 is the embodiment of the invention two disclosed schedule information process flow figure;
Fig. 3 is the concrete grammar flow chart of the embodiment of the invention two disclosed generation schedule information groups;
Fig. 4 is the embodiment of the invention three disclosed a kind of schedule information processing unit structural representations;
Fig. 5 is the embodiment of the invention four disclosed another kind of schedule information processing unit structural representations;
Fig. 6 is the embodiment of the invention five disclosed schedule information treatment system structural representations.
Embodiment
For quote and know for the purpose of, the explanation of the technical term that hereinafter uses, write a Chinese character in simplified form or abridge and sum up as follows:
LTE:Long Term Evolution system, long evolving system;
ENodeB: enhanced base station;
DCI:Downlink Control Information, Downlink Control Information;
PDCCH:Physical Downlink Control Channel, Physical Downlink Control Channel;
PUSCH:Physical Uplink Shared Channel, Physical Uplink Shared Channel;
PDSCH:Physical Downlink Shared Channel, Physical Downlink Shared Channel;
UE:User Equipment, subscriber equipment;
CRC:Cyclical Redundancy Check, CRC;
RNTI:Radio Network Temporary Identifier, Radio Network Temporary Identifier;
G-RNTI:Group RNTI, the group calling Radio Network Temporary Identifier is based on the proprietary sign in the trunked communication system of LTE, and its function is identical with RNTI in the LTE public network;
Com-G-RNTI: public group calling Radio Network Temporary Identifier.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Can know by background technology,, except the distinctive RNTI of LTE public network, also can increase a large amount of G-RNTI in the search volume for trunked communication system based on LTE.Concerning UE, obtain correct DCI, then need the number of times of blind check to increase considerably, correspondingly,, thereby cause communication failure possibly occurring based on the trunked communication system of LTE because the time delay that blind check causes will be excessive.
Thus, the invention discloses the methods, devices and systems that a kind of schedule information is handled.Based on device and system that this schedule information is handled, the G-RNTI to be used to each group sorts according to preset priority; G-RNTI after the ordering is pre-conditionedly heavily divided into groups according to first, and pre-conditionedly confirm that respectively is used for the Com-G-RNTI that common set is identified according to second; Generate the schedule information group of corresponding Com-G-RNTI; And the schedule information group is transferred to the UE side through PDCCH; Make the UE lateral root carry out blind check to the scheduling information sets, and obtain the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain according to each Com-G-RNTI of receiving in advance.UE is according to the Com-G-RNTI blind check, and with respect to according to the G-RNTI blind check, number of times can effectively reduce, and reduces time delay, thereby has guaranteed the trunked communication system communication reliability based on LTE.
The concrete structure of idiographic flow, device and the system of the method that schedule information disclosed by the invention is handled will specifically describe through following examples.
Embodiment one
See also accompanying drawing 1, be the embodiment of the invention one disclosed schedule information process flow figure.Its concrete grammar step is following:
S1: the G-RNTI to be used to each group sorts according to preset priority;
For trunked communication system based on LTE, in order to support the group-calling service of broadband cluster, need in system, be directed against corresponding packet, distribute corresponding G-RNTI.In the actual application, each grouping in the system has priority, therefore, also has corresponding priority level to the G-RNTI of corresponding packet allocation.Is follow-up requisite prerequisite of heavily dividing into groups to each G-RNTI according to prioritization.
S2: the G-RNTI after the ordering is pre-conditionedly heavily divided into groups according to first, and pre-conditionedly confirm to be used to identify the corresponding Com-G-RNTI of each common set of back of heavily dividing into groups respectively according to second;
In this step; First pre-conditionedly does; Can distribute the relation between the number of G-RNTI in the UE dedicated search space in the corresponding candidate PDCCH number of each the polymerization grade common set corresponding with this polymerization grade, and common set after redistributing and the big or small relation of polymerization grade.Physical relationship is following:
Table 1
See also table 1, in UE dedicated search space, the polymerization grade that can use is descending to be comprised successively: polymerization grade 8, polymerization class 4, polymerization grade 2 and polymerization grade 1.Can distribute the number candidate PDCCH number corresponding of G-RNTI to equate in the common set of each polymerization grade correspondence with this polymerization grade.
Polymerization grade 8 corresponding candidate PDCCH numbers are 2, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 2;
The candidate PDCCH number that the polymerization class 4 is corresponding is 2, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 2;
Polymerization grade 2 corresponding candidate PDCCH numbers are 6, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 6;
Polymerization grade 1 corresponding candidate PDCCH number is 6, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 6;
G-RNTI after will sorting then is divided into the descending common set of polymerization grade successively.Concrete grouping process is:
G-RNTI after the ordering is assigned in the descending common set of polymerization grade according to priority order from high to low successively, and the number candidate PDCCH number corresponding with this polymerization grade of the interior G-RNTI of common set that each polymerization grade is corresponding equates.After dividing into groups to accomplish, the highest Com-G-RNTI that then is confirmed as this common set of G-RNTI medium priority that comprises in each common set.
S3: generate the schedule information group of corresponding said Com-G-RNTI, comprise several schedule informations in the said schedule information group, the corresponding G-RNTI of schedule information;
In trunked communication system, transmit in the PDCCH channel according to certain DCI form by the schedule information that eNodeB sends based on LTE.Before transmission, at first the schedule information group of different DCI forms is carried out the CRC interpolation and with corresponding G-RNTI the CRC that adds is carried out scrambling simultaneously.Then, to add through CRC and the G-RNTI scrambling after the schedule information group carry out rate-matched and handle, the schedule information group that will pass through at last after above-mentioned a series of processing is placed in the search volume.
To based on each group in the trunked communication system of LTE, there is corresponding schedule information in each group.Because each group belongs to a common set again.Because of the corresponding schedule information group of each common set, so comprise several schedule informations in each schedule information group, the corresponding group of schedule information that is to say corresponding G-RNTI again.
S4: said schedule information group is transferred to the UE side through PDCCH; Make the UE lateral root carry out blind check to said schedule information group, and obtain the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain according to said each Com-G-RNTI of receiving in advance.
The schedule information group is transferred to the UE side through PDCCH; For UE; Because what do not know current PDCCH transmission is any information, does not know also where own information needed is specifically, still; UE knows that where therefore own required information possibly must take the mode of blind check to obtain own information needed.
UE at first carries out blind check according to each Com-G-RNTI that receives in advance to the scheduling information sets; Find and oneself belong to which schedule information group; Find after the own corresponding schedule information group; In the schedule information group of correspondence, seek own corresponding G-RNTI again, thereby parse one's own schedule information.
Based on present embodiment one disclosed schedule information processing method, the G-RNTI corresponding to schedule information heavily is divided into several common set according to priority and polymerization grade, confirms a Com-G-RNTI in each common set.Be placed on the clear position of search volume after according to Com-G-RNTI schedule information being added processing such as CRC, scrambling and rate-matched then.For UE, then according to the Com-G-RNTI that receives in advance to carrying out blind check through the schedule information group after the above-mentioned processing.Compare with the method for carrying out blind check according to undressed G-RNTI, the blind check number of times effectively reduces, and relative time delay is less, and then has guaranteed the function of whole trunked communication system based on LTE.
Embodiment two
See also accompanying drawing 2, be the embodiment of the invention two disclosed schedule information process flow figure.The concrete grammar step is following:
S1: the G-RNTI to be used to each group sorts according to preset priority;
For trunked communication system based on LTE, in order to support the group-calling service of broadband cluster, need in system, be directed against corresponding packet, distribute corresponding G-RNTI.In the actual application, each grouping in the system has priority, therefore, also has corresponding priority level to the G-RNTI of corresponding packet allocation.Is follow-up requisite prerequisite of heavily dividing into groups to each G-RNTI according to prioritization.
S2: the G-RNTI after the ordering is pre-conditionedly heavily divided into groups according to first, and pre-conditionedly confirm to be used to identify the corresponding Com-G-RNTI of each common set of back of heavily dividing into groups respectively according to second;
In this step; First pre-conditionedly does; Can distribute the relation between the number of G-RNTI in the UE dedicated search space in the corresponding candidate PDCCH number of each the polymerization grade common set corresponding with this polymerization grade, and common set after redistributing and the big or small relation of polymerization grade.Physical relationship is following:
See also table 1, in UE dedicated search space, the polymerization grade that can use is descending to be comprised successively: polymerization grade 8, polymerization class 4, polymerization grade 2 and polymerization grade 1.Can distribute the number candidate PDCCH number corresponding of G-RNTI to equate in the common set of each polymerization grade correspondence with this polymerization grade.
Polymerization grade 8 corresponding candidate PDCCH numbers are 2, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 2;
The candidate PDCCH number that the polymerization class 4 is corresponding is 2, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 2;
Polymerization grade 2 corresponding candidate PDCCH numbers are 6, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 6;
Polymerization grade 1 corresponding candidate PDCCH number is 6, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 6;
G-RNTI after will sorting then is divided into the descending common set of polymerization grade successively.Concrete grouping process is:
G-RNTI after the ordering is assigned in the descending common set of polymerization grade according to priority order from high to low successively, and the number candidate PDCCH number corresponding with this polymerization grade of the interior G-RNTI of common set that each polymerization grade is corresponding equates.And the polymerization grade that G-RNTI adopts in each common set is by the eNodeB dynamic assignment.After dividing into groups to accomplish, the highest Com-G-RNTI that then is confirmed as this common set of G-RNTI medium priority that comprises in each common set.
S3: generate the schedule information group of corresponding said Com-G-RNTI, comprise several schedule informations in the said schedule information group, the corresponding G-RNTI of schedule information;
In trunked communication system, transmit in the PDCCH channel according to certain DCI form by the schedule information that eNodeB sends based on LTE.Before transmission, at first the schedule information group of different DCI forms is carried out the CRC interpolation and with corresponding G-RNTI the CRC that adds is carried out scrambling simultaneously.Then, to add through CRC and the G-RNTI scrambling after the schedule information group carry out rate-matched and handle, the schedule information group that will pass through at last after above-mentioned a series of processing is placed in the search volume.
To based on each group in the trunked communication system of LTE, there is corresponding schedule information in each group.Because each group belongs to a common set again.Because of the corresponding schedule information group of each common set, so comprise several schedule informations in each schedule information group, the corresponding group of schedule information that is to say corresponding G-RNTI again.
S4: said schedule information group is transferred to the UE side through PDCCH; Make the UE lateral root carry out blind check to said schedule information group, and obtain the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain according to said each Com-G-RNTI of receiving in advance.
The schedule information group is transferred to the UE side through PDCCH; For UE; Because what do not know current PDCCH transmission is any information, does not know also where own information needed is specifically, still; UE knows that where therefore own required information possibly must take the mode of blind check to obtain own information needed.
UE at first carries out blind check according to each Com-G-RNTI that receives in advance to the scheduling information sets; Find and oneself belong to which schedule information group; Find after the own corresponding schedule information group; In the schedule information group of correspondence, seek own corresponding G-RNTI again, thereby parse one's own schedule information.
Need to prove that the method based on above-mentioned schedule information is handled after S2, also comprises:
S5: said each Com-G-RNTI information is transferred to the UE side through PDSCH, the foundation during as the blind check of UE side.
See also accompanying drawing 3, further need to prove, based on the method that above-mentioned schedule information is handled, in S3, the process that generates the schedule information group of corresponding said Com-G-RNTI specifically comprises:
Step S101: according to current C om-G-RNTI, calculate the position in UE dedicated search space, confirm the number of the CCE that the corresponding pending schedule information group of said current C om-G-RNTI takies;
The physical resource of PDCCH Channel Transmission is unit with CCE; A PDCCH possibly take L=1,2,4,8 CCE (i.e. four different polymerization grade L).
See also table 1, whole search volume is divided into the two types of search volumes in common search space and UE dedicated search space.
Calculate the position of search volume according to
I=0 wherein ..., L-1; M=0 ..., M
(L)-1, M
(L)Be the candidate PDCCH number that given search volume need be monitored, promptly various polymerization grade L needs the total degree of search down.
For the common search space, the L value is 4 and 8, Y
k=0;
For UE dedicated search space, the L value is 1,2,4,8, Y
k=(AY
K-1) modD,
Wherein, A=39827; D=65537; Y
-1=n
RNTI≠ 0, be the value of G-RNTI or interim G-RNTI, k=ns/2, ns timeslot number.
Need to prove, in the present embodiment, when calculating the position in UE dedicated search space, be to calculate according to the value of Com-G-RNTI, and the position of being calculated is the position of the corresponding whole schedule information group of Com-G-RNTI.Calculate after the position of search volume, can find the number of the CCE that the corresponding pending schedule information group of current C om-G-RNTI takies according to table 1.
Step S102: judge in the said UE dedicated search space whether clear position is arranged.If have, execution in step S103 then; If do not have, then execution in step S104;
Step S103: judge whether the corresponding pending schedule information group of said current C om-G-RNTI can be placed on the clear position in said UE dedicated search space, if, execution in step S106 then; If deny, then execution in step S104;
Need to prove, judge that the process whether corresponding pending schedule information group of said current C om-G-RNTI can be placed on the clear position in said UE dedicated search space comprises:
When the number of the CCE that the corresponding schedule information group of current C om-G-RNTI takies less than UE dedicated search space in clear position can place the number of CCE the time, the schedule information group that current C om-G-RNTI is corresponding can be placed in the said UE dedicated search space on the clear position.
Whether step S104: judging has idle position in the common search space, if having, and execution in step S105 then; If do not have, then execution in step S110;
Step S105: judge whether the corresponding pending schedule information group of said current C om-G-RNTI can be placed on the clear position in said common search space, if, execution in step S106 then, if not, execution in step S110 then;
Need to prove, judge that the process whether corresponding pending schedule information group of said current C om-G-RNTI can be placed on the clear position in said common search space comprises:
Step S201: judge whether the corresponding polymerization grade of the corresponding schedule information group of current C om-G-RNTI is 4 or 8, if, execution in step S202 then; If deny, then execution in step S110;
See also table 1, in the common search space, spendable polymerization grade has only polymerization class 4 and polymerization grade 8.When the corresponding corresponding polymerization grade of schedule information group of current C om-G-RNTI was 4 or 8, this schedule information just might can be placed in the common search space.
Step S202: judge the number whether number of the CCE that the corresponding schedule information group of current C om-G-RNTI takies can place CCE less than clear position in the common search space, if less than, execution in step S106 then; If be not less than, execution in step S110 then.
Step S106: according to specific DCI form said pending schedule information group is carried out format restriction, generate the corresponding particular schedule information sets of current C om-G-RNTI;
DCI is divided into multiple form, and the different-format loaded information is different, and purposes is also different, and wherein DCI form 0 correspondence is the schedule information of PUSCH; DCI form 1,1A, 1B, 1C, what 1D was corresponding is the schedule information of PDSCH; DCI form 2, what 2A was corresponding is some configuration informations of many antennas situation; DCI form 3, what 3A was corresponding is some configuration informations of uplink power control aspect.
Need to prove, can be placed on the optional position of search volume in order to guarantee schedule information, the DCI form that adopts among this embodiment is a kind of form in DCI form 1A or the DCI form 1 or adopts DCI form 1A and DCI form 1 simultaneously.
Step S107: said particular schedule information sets is added CRC, and the CRC that adds is carried out scrambling according to the G-RNTI to be used of each group;
Need to prove that the CRC that in the present embodiment particular schedule information sets is added is 16.
Step S108: carry out rate-matched to adding through each the pending schedule information in the later said particular schedule information sets of the CRC of G-RNTI scrambling;
Step S109: each the pending schedule information that will carry out in the said particular schedule information sets after the rate-matched is placed on the clear position in UE dedicated search space or common search space;
Need to prove; When UE dedicated search space has clear position; And in the time of can placing current C om-G-RNTI correspondence schedule information group, then no matter the common search space has or not clear position all the corresponding schedule information group of current C om-G-RNTI to be placed on the clear position in the UE dedicated search space;
When the clear position in not having clear position or this space on the UE dedicated search space can not be placed current C om-G-RNTI correspondence schedule information group, just consider the corresponding schedule information group of current C om-G-RNTI is placed on the clear position in common search space.
Step S110: in UE dedicated search space and the common search space do not have to abandon the operation of current C om-G-RNTI under the situation of clear position, and return step S101;
Step S111: judge whether each Com-G-RNTI finishes dealing with; If then generate the schedule information group of corresponding said Com-G-RNTI; If, do not return step S101.
Because; After heavily dividing into groups, have several Com-G-RNTI, the schedule information that each Com-G-RNTI is corresponding is to handle according to priority order from high to low; Have only after the corresponding schedule information of each Com-G-RNTI is finished dealing with, could guarantee that the blind check of UE side is correct.
Based on present embodiment two disclosed schedule information processing methods, the G-RNTI corresponding to schedule information heavily is divided into several common set according to priority and polymerization grade, confirms a Com-G-RNTI in each common set.Then each Com-G-RNTI is transferred to the UE side, the foundation during as the blind check of UE side.Be placed on the clear position of search volume after according to Com-G-RNTI schedule information being added processing such as CRC, scrambling and rate-matched then.For UE, then according to the Com-G-RNTI that receives in advance to carrying out blind check through the schedule information group after the above-mentioned processing.Compare with the method for carrying out blind check according to undressed G-RNTI, the blind check number of times effectively reduces, and relative time delay is less, and then has guaranteed the function of whole trunked communication system based on LTE.
Describe method in detail among the disclosed embodiment of the invention described above, can adopt the device of various ways to realize, therefore the invention also discloses a kind of device, provide concrete embodiment below and be elaborated for method of the present invention.
Embodiment three
See also accompanying drawing 4, be the embodiment of the invention three disclosed schedule information processing unit structure charts.
This schedule information processing unit is made up of sequencing unit 101, heavy grouped element 102, schedule information generation unit 103 and schedule information transmission unit 104.Concrete linking relationship is following:
For trunked communication system based on LTE, in order to support the group-calling service of broadband cluster, need in system, be directed against corresponding packet, distribute corresponding G-RNTI.In the actual application, each grouping in the system has priority, therefore, also has corresponding priority level to the G-RNTI of corresponding packet allocation.Is follow-up requisite prerequisite of heavily dividing into groups to each G-RNTI according to prioritization.
Heavy grouped element 102 is used for the G-RNTI after the ordering is pre-conditionedly heavily divided into groups according to first, and pre-conditionedly confirms to be used to identify the corresponding Com-G-RNTI of each common set of back of heavily dividing into groups respectively according to second;
G-RNTI after the ordering is assigned in the descending common set of polymerization grade according to priority order from high to low successively, and the number candidate PDCCH number corresponding with this polymerization grade of the interior G-RNTI of common set that each polymerization grade is corresponding equates.After dividing into groups to accomplish, the highest Com-G-RNTI that then is confirmed as this common set of G-RNTI medium priority that comprises in each common set.
Need to prove,, see also the associated description among the embodiment one relevant for the first pre-conditioned and second pre-conditioned specific descriptions.
Schedule information generation unit 103 is used to generate the schedule information group of corresponding said Com-G-RNTI, comprises several schedule informations in the said schedule information group, the corresponding G-RNTI of schedule information;
In trunked communication system, transmit in the PDCCH channel according to certain DCI form by the schedule information that eNodeB sends based on LTE.Before transmission, at first the schedule information group of different DCI forms is carried out the CRC interpolation and with corresponding G-RNTI the CRC that adds is carried out scrambling simultaneously.Then, to add through CRC and the G-RNTI scrambling after the schedule information group carry out rate-matched and handle, the schedule information group that will pass through at last after above-mentioned a series of processing is placed in the search volume.
Schedule information transmission unit 104; Be used for said schedule information group is transferred to the UE side through PDCCH; Make the UE lateral root carry out blind check to said schedule information group, and obtain the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain according to said each Com-G-RNTI of receiving in advance.
The schedule information group is transferred to the UE side through PDCCH, for UE, is what information owing to what do not know current PDCCH transmission, where does not also know own information needed, therefore must take the mode of blind check to obtain own information needed.
UE at first carries out blind check according to each Com-G-RNTI that receives in advance to the scheduling information sets; Find and oneself belong to which schedule information group; Find after the own corresponding schedule information group; In the schedule information group of correspondence, seek own corresponding G-RNTI again, thereby parse one's own schedule information.
Based on present embodiment three disclosed schedule information processing unit; Through sequencing unit, heavy grouped element, schedule information generation unit and schedule information transmission unit, schedule information is sorted, heavily divides into groups, confirms Com-G-RNTI, generates the schedule information group and send the UE side to according to Com-G-RNTI.For UE, then according to the Com-G-RNTI that receives in advance to carrying out blind check through the schedule information group after the above-mentioned processing.Compare with the method for carrying out blind check according to undressed G-RNTI, the blind check number of times effectively reduces, and relative time delay is less, and then has guaranteed the function of whole trunked communication system based on LTE.
Embodiment four
See also accompanying drawing 5, be the concrete structure sketch map of present embodiment four disclosed another kind of schedule information processing unit.
This schedule information processing unit is made up of sequencing unit 101, heavy grouped element 102, schedule information generation unit 103, schedule information transmission unit 104 and grouping information transmission unit 105 schedule information generation unit 103.
Heavy grouped element 102 is made up of heavy grouping module 201 and Com-G-RNTI determination module 202.
Schedule information generation unit 103 by computing module 301, first judge module 302, second judge module 303, the 3rd judge module 304, the 4th judge module 305, format restriction module 306, add CRC and scrambling module 307, rate-matched module 308, schedule information placement module 309 and the 5th judge module 310 constitute.
Concrete linking relationship is following:
For trunked communication system based on LTE, in order to support the group-calling service of broadband cluster, need in system, be directed against corresponding packet, distribute corresponding G-RNTI.In the actual application, each grouping in the system has priority, therefore, also has corresponding priority level to the G-RNTI of corresponding packet allocation.Is follow-up requisite prerequisite of heavily dividing into groups to each G-RNTI according to prioritization.
In UE dedicated search space, the polymerization grade that can use is descending to be comprised successively: polymerization grade 8, polymerization class 4, polymerization grade 2 and polymerization grade 1.Can distribute the number candidate PDCCH number corresponding of G-RNTI to equate in the common set of each polymerization grade correspondence with this polymerization grade.
Polymerization grade 8 corresponding candidate PDCCH numbers are 2, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 2;
The candidate PDCCH number that the polymerization class 4 is corresponding is 2, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 2;
Polymerization grade 2 corresponding candidate PDCCH numbers are 6, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 6;
Polymerization grade 1 corresponding candidate PDCCH number is 6, and can distribute the number of G-RNTI in the common set of this polymerization grade correspondence is 6.
G-RNTI after the ordering is assigned in the descending common set of polymerization grade according to priority order from high to low successively, and the number candidate PDCCH number corresponding with this polymerization grade of the interior G-RNTI of common set that each polymerization grade is corresponding equates.
Com-G-RNTI determination module 202 is used for pre-conditionedly confirming to be used to identify the corresponding Com-G-RNTI of each common set of back of heavily dividing into groups respectively according to second.
After dividing into groups to accomplish, the highest Com-G-RNTI that then is confirmed as this common set of G-RNTI medium priority that comprises in each common set.
Grouping information transmission unit 105 is used for said each Com-G-RNTI information is transferred to the UE side through PDSCH the foundation during as the blind check of UE side.
Need to prove that the UE side need be known heavy grouping information and each Com-G-RNTI in advance before blind check.What adopt in the present embodiment is to rely on the grouping information transmission unit that said each Com-G-RNTI information is transferred to the UE side through PDSCH.Except the transmission means that present embodiment provides, can also transmit through other modes, other transmission meanss are also within protection range of the present invention.
Need to prove, in the present embodiment, when calculating the position in UE dedicated search space, be to calculate according to the value of Com-G-RNTI, and the position of being calculated is the position of the corresponding whole schedule information group of Com-G-RNTI.Calculate after the position of search volume, can find the number of the CCE that the corresponding pending schedule information group of current C om-G-RNTI takies according to table 1.
The 3rd judge module 304 is used for judging whether the common search space has idle position;
The 4th judge module 305 is used to judge whether the corresponding pending schedule information group of said current C om-G-RNTI can be placed into the clear position in said common search space;
Need to prove, in the process that the schedule information processing unit that uses present embodiment to provide is handled schedule information.First judge module, second judge module, the 3rd judge module and the 4th judge module are not all need use at every turn.Concrete which judge module of use is to have certain precondition, and actual conditions sees also the related description among the method embodiment.
Need to prove, can be placed on the optional position of search volume in order to guarantee schedule information, the DCI form that adopts among this embodiment is a kind of form in DCI form 1A or the DCI form 1 or adopts DCI form 1A and DCI form 1 simultaneously.
Add CRC and scrambling module 307, be used for said particular schedule information sets is added CRC, and the CRC that adds is carried out scrambling according to the G-RNTI to be used of each group;
Need to prove that the CRC that in the present embodiment particular schedule information sets is added is 16.
Rate-matched module 308 is used for carrying out rate-matched to adding through each pending schedule information of the later said particular schedule information sets of the CRC of G-RNTI scrambling;
Schedule information placement module 309 is used for each pending schedule information of carrying out the said particular schedule information sets after the rate-matched is placed on the clear position in UE dedicated search space or common search space;
The 5th judge module 310 is used to judge whether each Com-G-RNTI finishes dealing with.
Based on present embodiment four disclosed schedule information processing unit; Through sequencing unit, heavy grouped element, schedule information generation unit, schedule information transmission unit and grouping information transmission unit, schedule information is sorted, heavily divides into groups, confirms Com-G-RNTI and generates the schedule information group and send the UE side to through adding CRC, G-RNTI scrambling and rate-matched according to Com-G-RNTI.For UE, then according to the Com-G-RNTI that receives in advance to carrying out blind check through the schedule information group after the above-mentioned processing.Compare with the method for carrying out blind check according to undressed G-RNTI, the blind check number of times effectively reduces, and relative time delay is less, and then has guaranteed the function of whole trunked communication system based on LTE.
Embodiment five
See also accompanying drawing 6, be the embodiment of the invention five disclosed a kind of schedule information treatment system structural representations.
This schedule information treatment system is by schedule information processing unit 401 and terminal 402;
Wherein, schedule information processing unit 401 is embodiment three and embodiment four described schedule information processing unit;
Based on present embodiment five disclosed schedule information treatment systems; Through the schedule information processing unit schedule information is handled; And the terminal carries out blind check according to blind check method of the prior art to the schedule information of handling through the schedule information processing unit, thereby quick and precisely obtains the required schedule information in terminal itself.Compare with the method for carrying out blind check according to undressed G-RNTI, the blind check number of times effectively reduces, and relative time delay is less, and then has guaranteed the function of whole trunked communication system based on LTE.
In sum:
The invention discloses the methods, devices and systems that a kind of schedule information is handled.Based on device and system that this schedule information is handled, the G-RNTI to be used to each group sorts according to preset priority; G-RNTI after the ordering is pre-conditionedly heavily divided into groups according to first, and pre-conditionedly confirm a Com-G-RNTI who is used to identify common set respectively according to second; Generate the schedule information group of corresponding Com-G-RNTI; And the schedule information group is transferred to the UE side through PDCCH; Make the UE lateral root carry out blind check to the scheduling information sets, and obtain the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain according to each Com-G-RNTI that receives in advance.UE is according to the Com-G-RNTI blind check, and with respect to according to the G-RNTI blind check, number of times can effectively reduce, and reduces time delay, thereby has guaranteed the trunked communication system communication reliability based on LTE.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part is partly explained referring to method and is got final product.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can be directly with the software modules of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (14)
1. a schedule information processing method is characterized in that, comprising:
The group calling Radio Network Temporary Identifier (G-RNTI) to be used to each group sorts according to preset priority;
G-RNTI after the ordering is pre-conditionedly heavily divided into groups according to first, and pre-conditionedly confirm to be used to identify the corresponding public group calling Radio Network Temporary Identifier (Com-G-RNTI) of each common set of back of heavily dividing into groups respectively according to second;
Generate the schedule information group of corresponding said Com-G-RNTI, comprise several schedule informations in the said schedule information group, the corresponding G-RNTI of schedule information;
Said schedule information group is transferred to subscriber equipment (UE) side through Physical Downlink Control Channel (PDCCH); Make the UE lateral root carry out blind check to said schedule information group, and obtain the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain according to said each Com-G-RNTI of receiving in advance.
2. schedule information processing method according to claim 1 is characterized in that, said according to second pre-conditioned confirm that respectively each common set after a Com-G-RNTI counterweight divides into groups identifies after, comprising:
Said each Com-G-RNTI information is transferred to the UE side through Physical Downlink Shared Channel (PDSCH), the foundation during as the blind check of UE side.
3. schedule information processing method according to claim 1 is characterized in that, the G-RNTI after the ordering is comprised according to the first pre-conditioned process of heavily dividing into groups:
Confirm to distribute in each common set the number of G-RNTI according to the corresponding candidate PDCCH number of each polymerization grade in the UE dedicated search space;
G-RNTI after the ordering is divided into the descending common set of polymerization grade successively.
4. schedule information processing method according to claim 3 is characterized in that, can distribute the corresponding relation of the G-RNTI number candidate PDCCH number corresponding with this polymerization grade to comprise in the common set of said each polymerization grade correspondence:
Can distribute the number candidate PDCCH number corresponding of G-RNTI to equate in the common set of said each polymerization grade correspondence with this polymerization grade;
Wherein, said polymerization grade is descending comprises successively: polymerization grade 8, polymerization class 4, polymerization grade 2 and polymerization grade 1;
Said set class 8 corresponding candidate PDCCH numbers are 2;
The candidate PDCCH number that said polymerization class 4 is corresponding is 2;
Said polymerization grade 2 corresponding candidate PDCCH numbers are 6;
Said polymerization grade 1 corresponding candidate PDCCH number is 6.
5. schedule information processing method according to claim 1 is characterized in that, said second pre-conditioned the comprising:
The preset the highest G-RNTI of priority is confirmed as Com-G-RNTI in each common set.
6. schedule information processing method according to claim 1 is characterized in that, the process of the schedule information group of the corresponding said Com-G-RNTI of said generation comprises:
Step S101: according to current C om-G-RNTI, calculate the position in UE dedicated search space, confirm the number of the control channel element (CCE) that the corresponding pending schedule information group of said current C om-G-RNTI takies;
Step S102: judge in the said UE dedicated search space whether clear position is arranged, if having, execution in step S103 then; If do not have, then execution in step S104;
Step S103: judge whether the corresponding pending schedule information group of said current C om-G-RNTI can be placed on the clear position in said UE dedicated search space, if, execution in step S106 then; If deny, then execution in step S104;
Whether step S104: judging has idle position in the common search space, if having, and execution in step S105 then; If do not have, then execution in step S110;
Step S105: judge whether the corresponding pending schedule information group of said current C om-G-RNTI can be placed on the clear position in said common search space, if, execution in step S106 then; If deny, then execution in step S110;
Step S106: according to specific Downlink Control Information (DCI) form said pending schedule information group is carried out format restriction, generate the corresponding particular schedule information sets of current C om-G-RNTI;
Step S107: said particular schedule information sets is added Cyclic Redundancy Check, and the CRC that adds is carried out scrambling according to the G-RNTI to be used of each group;
Step S108: carry out rate-matched to adding through each the pending schedule information in the later said particular schedule information sets of the CRC of G-RNTI scrambling;
Step S109: each the pending schedule information that will carry out in the said particular schedule information sets after the rate-matched is placed on the clear position in UE dedicated search space or common search space;
Step S110: in UE dedicated search space and the common search space do not have to abandon the operation of current C om-G-RNTI under the situation of clear position, and return step S101;
Step S111: judge whether each Com-G-RNTI finishes dealing with; If then generate the schedule information group of corresponding said Com-G-RNTI; If, do not return step S101.
7. schedule information processing method according to claim 6 is characterized in that, said specific DCI form comprises: DCI form 1A and/or DCI form 1.
8. schedule information processing method according to claim 6 is characterized in that, judges among the step S103 that the process whether corresponding schedule information group of current C om-G-RNTI can be placed on the clear position in UE dedicated search space comprises:
When the number of the CCE that the corresponding schedule information group of current C om-G-RNTI takies less than UE dedicated search space in clear position can place the number of CCE the time, the schedule information group that current C om-G-RNTI is corresponding can be placed in the said UE dedicated search space on the clear position.
9. schedule information processing method according to claim 6 is characterized in that, judges in the step 105 that the process whether corresponding schedule information group of current C om-G-RNTI can be placed on the clear position of search volume comprises:
Step S201: judge whether the corresponding polymerization grade of the corresponding schedule information group of current C om-G-RNTI is 4 or 8, if, execution in step S202 then; If deny, then execution in step S110;
Step S202: judge the number whether number of the CCE that the corresponding schedule information group of current C om-G-RNTI takies can place CCE less than clear position in the common search space, if less than, execution in step S106 then; If be not less than, execution in step S110 then.
10. a schedule information processing unit is characterized in that, comprising:
Sequencing unit is used for the G-RNTI to be used of each group is sorted according to preset priority;
Heavy grouped element is used for the G-RNTI after the ordering is pre-conditionedly heavily divided into groups according to first, and pre-conditionedly confirms to be used to identify the corresponding Com-G-RNTI of each common set of back of heavily dividing into groups respectively according to second;
The schedule information generation unit is used to generate the schedule information group of corresponding said Com-G-RNTI, comprises several schedule informations in the said schedule information group, the corresponding G-RNTI of schedule information;
The schedule information transmission unit; Be used for said schedule information group is transferred to the UE side through PDCCH; Make the UE lateral root carry out blind check to said schedule information group, and obtain the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain according to said each Com-G-RNTI of receiving in advance.
11. schedule information processing unit according to claim 10 is characterized in that, comprising:
The grouping information transmission unit is used for said each Com-G-RNTI information is transferred to the UE side through PDSCH the foundation during as the blind check of UE side.
12. schedule information processing unit according to claim 10 is characterized in that, said heavy grouped element comprises:
Heavy grouping module is used for confirming can distribute in each common set according to the corresponding candidate PDCCH number of each polymerization grade in the UE dedicated search space number of G-RNTI the G-RNTI after the ordering being divided into the descending common set of polymerization grade successively;
The Com-G-RNTI determination module is used for pre-conditionedly confirming to be used to identify the corresponding Com-G-RNTI of each common set of back of heavily dividing into groups respectively according to second.
13. schedule information processing unit according to claim 10 is characterized in that, said schedule information generation unit comprises:
Computing module is used for according to current C om-G-RNTI, calculates the position in UE dedicated search space, confirms the number of the CCE that the corresponding pending schedule information group of said current C om-G-RNTI takies;
First judge module is used for judging whether said UE dedicated search space has clear position;
Second judge module is used to judge whether the corresponding pending schedule information group of said current C om-G-RNTI can be placed into the clear position in said UE dedicated search space;
The 3rd judge module is used for judging whether the common search space has idle position;
The 4th judge module is used to judge whether the corresponding pending schedule information group of said current C om-G-RNTI can be placed into the clear position in said common search space;
The format restriction module is used for according to specific DCI form said pending schedule information group being carried out format restriction, generates the corresponding particular schedule information sets of current C om-G-RNTI;
Add CRC and scrambling module, be used for said particular schedule information sets is added CRC, and the CRC that adds is carried out scrambling according to the G-RNTI to be used of each group;
The rate-matched module is used for carrying out rate-matched to adding through each pending schedule information of the later said particular schedule information sets of the CRC of G-RNTI scrambling;
The schedule information placement module is used for each pending schedule information of carrying out the said particular schedule information sets after the rate-matched is placed on the clear position in UE dedicated search space or common search space;
The 5th judge module is used to judge whether each Com-G-RNTI finishes dealing with.
14. a schedule information treatment system is characterized in that, comprising:
Schedule information processing unit and terminal;
Wherein, said schedule information processing unit is any described schedule information processing unit in the claim 10 ~ 13;
Said terminal is carried out blind check according to said each Com-G-RNTI that receives in advance to said schedule information group, and obtains the corresponding schedule information of G-RNTI that group uses under the UE in the corresponding schedule information group of Com-G-RNTI confirming to wait to obtain.
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