CN103166737A - Group service scrambling method, descrambling method, base station and user equipment - Google Patents
Group service scrambling method, descrambling method, base station and user equipment Download PDFInfo
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- CN103166737A CN103166737A CN2011104248341A CN201110424834A CN103166737A CN 103166737 A CN103166737 A CN 103166737A CN 2011104248341 A CN2011104248341 A CN 2011104248341A CN 201110424834 A CN201110424834 A CN 201110424834A CN 103166737 A CN103166737 A CN 103166737A
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Abstract
The invention provides a group service scrambling method, a descrambling method, an eNode B (eNB) and user equipment (UE). The eNB sends broadcast messages including group radio network temporary identity (G-RNTI) to UE of a master user and UE of a monitoring user, semi-persistent schedule-cell-RNTI (SPS-C-RNTI) in a SPS configuration cell of the master user is configured to be the G-RNTI, a G-RNTI-scrambled GCCH dispatching order is sent to the UE of the master user and the UE of the monitoring user, a G-RNTI-scrambled first SRS order is sent to the UE of the monitoring user, and a G-RNTI-scrambled second SPS order is sent to the UE of the master user. Through adoption of the group service scrambling method, the descrambling method, the eNB and the UE, the complex degree of operation processing of a UE processor can be reduced.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular to a kind of group service method for scrambling, de-scrambling method, base station (eNode B is called for short eNB) and subscriber equipment (User Equipment is called for short UE).
Background technology
At current Long Term Evolution (Long Term Evolution, abbreviation LTE) in technical standard, in communication process, each user needs Radio Network Temporary Identifier (Radio Network Temporary Identity is called for short RNTI) and the public RNTI of each user of self special use.The RNTI of above-mentioned special use and public RNTI arrange respectively.
In existing LTE technical standard, carry out in the process of up access at UE, the eNB of network side is each user assignment special-purpose RNTI separately.If the user has exclusive data to upload, this user's exclusive data dispatching command adopts the RNTI of user's special use to carry out scrambling, the control command that issues is configured in the private space of control channel unit (Control Channel Elements is called for short CCE).The private space of this CCE is to be determined by the RNTI of user's special use.UE is when carrying out the demodulation customer-specific data, private space by search CCE, RNTI with special use carries out the scrambling detection, determine Physical Downlink Shared Channel (the Physical Downlink Shared Channel of distribution, be called for short PDSCH) physical address, and carry out data demodulates on corresponding PDSCH space.
In existing LTE technical standard, for broadcast channel, to the same public RNTI of a plurality of cell configuration of an eNB control.Particularly, the public RNTI in existing LTE system comprises system message RNTI (System Information RNTI is called for short SI-RNTI) and beep-page message RNTI (Paging RNTI, abbreviation P-RNTI) etc.Because the scheduling based on the data of LTE technology is transmitted by PDSCH, therefore the Physical Downlink Control Channel (Physical Downlink Control Channel is called for short PDCCH) that is used for sending system message and paging channel dispatching command generally adopts public RNTI to carry out scrambling.Public dispatching command is configured in the public space of CCE of Common Control Channel (Common Control Channel, be called for short CCCH), and UE searches for CCCH, and the decoding scheduling order demodulates corresponding data from PDSCH.UE is when carrying out the public messages such as demodulating system message, beep-page message or other multiple users share message, by searching for public CCE space, carry out scrambling with public RNTI and detect, determine the PDSCH physical address that distributes, and carry out the data demodulates on corresponding PDSCH space.
in the trunking communication private network system of setting up based on above-mentioned existing LTE technical standard, the RNTI that the user adopts comprises: P-RNTI, SI-RNTI, residential quarter RNTI (Cell RNTI, be called for short C-RNTI), random access RNTI (Random Access RNTI, be called for short RA-RNTI), be used for RNTI (the Transmit Power Control-Physical Uplink Control Channel-RNTI that the Physical Uplink Control Channel through-put power is controlled, be called for short TPC-PUCCH-RNTI), be used for RNTI (the Transmit Power Control-Physical Uplink Shared Channel-RNTI that the Physical Uplink Shared Channel through-put power is controlled, be called for short TPC-PUSCH-RNTI) etc., on this basis, also increased the RNTI of group (Group RNTI, be called for short G-RNTI) and group paging message RNTI (Group Paging RNTI, be called for short GP-RNTI).According to above-mentioned existing LTE technical standard, for monitoring users arranges public RNTI, for speaker user arranges special-purpose RNTI, therefore, for realizing semi-persistent scheduling (the Semi-persistent Schedule in private network system, abbreviation SPS) scrambling in process, such as the SPS activation command is carried out scrambling and to the SPS data retransmission order carry out scrambling etc., also need to increase semi-persistent scheduling residential quarter RNTI (Semi-persistent Schedule-Cell-RNTI is called for short SPS-C-RNTI).
In UE, because the calculation process ability of the processor of making UE has certain limit, so UE can only process the RNTI of limited number.Adopt in the private network system of above-mentioned existing LTE technical standard establishment, each UE needs the value volume and range of product of RNTI to be processed various, causes the processor of UE need to carry out the calculation process of large amount of complex, so causes the poor reliability of communication process.
Summary of the invention
First aspect of the present invention is to provide a kind of group service method for scrambling, in order to solve defective of the prior art, reduces the calculation process complexity of UE processor.
Another aspect of the present invention is to provide a kind of group service de-scrambling method, in order to solve defective of the prior art, reduces the calculation process complexity of UE processor.
Another aspect of the present invention is to provide a kind of eNB, in order to solve defective of the prior art, reduces the calculation process complexity of UE processor.
Another aspect of the present invention is to provide a kind of UE, in order to solve defective of the prior art, reduces the calculation process complexity of UE processor.
First aspect of the present invention is to provide a kind of group service method for scrambling, comprising:
Send to speaker user's user equipment (UE) and the UE of monitoring users the broadcast that comprises the Radio Network Temporary Identifier G-RNTI of group;
Semi-persistent scheduling Cell Radio Network Temporary Identifier/Identity, Cell-RNTI SPS-C-RNTI in speaker user's semi-persistent scheduling SPS configuration cell is configured to described G-RNTI;
Send to speaker user's UE and the UE of monitoring users the group control channel GCCH dispatching command that adopts described G-RNTI scrambling;
UE to described monitoring users sends a SPS dispatching command that adopts described G-RNTI scrambling;
UE to described speaker user sends the 2nd SPS dispatching command that adopts described G-RNTI scrambling.
Method as above, wherein,
Described UE and the UE of monitoring users to speaker user sends and adopts the GCCH dispatching command of described G-RNTI scrambling to comprise: the GCCH dispatching command that adopts described G-RNTI scrambling in the public space configuration of control channel unit CCE;
Described UE to described monitoring users sends and adopts a SPS dispatching command of described G-RNTI scrambling to comprise: the SPS activation command that adopts described G-RNTI scrambling in the public space configuration of described CCE; And/or, adopt the SPS deexcitation order of described G-RNTI scrambling in the public space configuration of described CCE;
Described UE to described speaker user sends and adopts the 2nd SPS dispatching command of described G-RNTI scrambling to comprise: the private space of determining at the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of speaker user described in described CCE configures the SPS activation command that adopts described G-RNTI scrambling; And/or the private space of determining at the C-RNTI of speaker user described in described CCE configures the SPS deexcitation order of adopting described G-RNTI scrambling; And/or, adopt the SPS scheduling of described G-RNTI scrambling to retransmit order in the private space configuration that the C-RNTI of speaker user described in described CCE determines.
Another aspect of the present invention is to provide a kind of group service de-scrambling method, comprising:
Speaker user's user equipment (UE) and the UE of monitoring users obtain the broadcast that comprises the Radio Network Temporary Identifier G-RNTI of group;
Speaker user's UE obtains semi-persistent scheduling Cell Radio Network Temporary Identifier/Identity, Cell-RNTI SPS-C-RNTI from semi-persistent scheduling SPS configuration cell be described G-RNTI;
The group control channel GCCH dispatching command that speaker user's user equipment (UE) and the UE of monitoring users adopt described G-RNTI descrambling to obtain;
The SPS dispatching command that the UE of monitoring users adopts described G-RNTI descrambling to obtain;
The 2nd SPS dispatching command that speaker user's UE adopts described G-RNTI descrambling to obtain.
Method as above, wherein,
The GCCH dispatching command that described speaker user's UE and the UE of monitoring users adopt described G-RNTI descrambling to obtain comprises: the GCCH dispatching command that described speaker user's UE and the UE of monitoring users adopt described G-RNTI descrambling to read from the public space of described CCE;
The SPS dispatching command that the UE of described monitoring users adopts described G-RNTI descrambling to obtain comprises: the SPS activation command that the UE of described monitoring users adopts described G-RNTI descrambling to read from the public space of control channel unit CCE; And/or, the SPS deexcitation order that the UE of described monitoring users adopts described G-RNTI descrambling to read from the public space of described CCE;
The 2nd SPS dispatching command that described speaker user's UE adopts described G-RNTI descrambling to obtain comprises: the SPS activation command that described speaker user's UE adopts described G-RNTI descrambling to read from the definite private space of the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of speaker user described in described CCE; And/or, the SPS deexcitation order that described speaker user's UE adopts described G-RNTI descrambling to read from the definite private space of the C-RNTI of speaker user described in described CCE; And/or described speaker user's UE adopts described G-RNTI descrambling to retransmit order from the SPS scheduling that the definite private space of the C-RNTI of speaker user described in described CCE reads.
Another aspect of the present invention is to provide a kind of base station eNB, comprising:
Radio unit is used for sending to speaker user's user equipment (UE) and the UE of monitoring users the broadcast that comprises the Radio Network Temporary Identifier G-RNTI of group;
Semi-persistent scheduling SPS dispensing unit, the semi-persistent scheduling Cell Radio Network Temporary Identifier/Identity, Cell-RNTI SPS-C-RNTI that configures cell for the SPS with speaker user is configured to described G-RNTI;
Group control channel GCCH scheduling unit is used for sending to speaker user's UE and the UE of monitoring users the GCCH dispatching command that adopts described G-RNTI scrambling;
The first scheduling unit is used for sending to the UE of described monitoring users a SPS dispatching command that adopts described G-RNTI scrambling;
The second scheduling unit is used for sending to described speaker user's UE the 2nd SPS dispatching command that adopts described G-RNTI scrambling.
ENB as above, wherein,
Described GCCH scheduling unit specifically is used for adopting in the public space configuration of control channel unit CCE the GCCH dispatching command of described G-RNTI scrambling;
Described the first scheduling unit specifically is used for adopting in the public space configuration of described CCE the SPS activation command of described G-RNTI scrambling, and/or, adopt the SPS deexcitation order of described G-RNTI scrambling in the public space configuration of described CCE;
The SPS activation command of described G-RNTI scrambling is adopted in the private space configuration that described the second scheduling unit specifically is used for determining at the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of speaker user described in described CCE, and/or, the private space of determining at the C-RNTI of speaker user described in described CCE configures the SPS deexcitation order of adopting described G-RNTI scrambling, and/or, adopt the SPS scheduling of described G-RNTI scrambling to retransmit order in the private space configuration that the C-RNTI of speaker user described in described CCE determines.
Another aspect of the present invention is to provide a kind of user equipment (UE), comprising:
The message sink unit is used for obtaining the broadcast that comprises the Radio Network Temporary Identifier G-RNTI of group;
Semi-persistent scheduling SPS configuration information acquiring unit, being used for obtaining semi-persistent scheduling Cell Radio Network Temporary Identifier/Identity, Cell-RNTI SPS-C-RNTI from SPS configuration cell when described UE is used for speaker user is described G-RNTI;
Group control channel GCCH scheduling descrambling unit is used for the GCCH dispatching command that adopts described G-RNTI descrambling to obtain;
SPS scheduling descrambling unit, for a SPS dispatching command that adopts described G-RNTI descrambling to obtain when this UE is used for monitoring users, the 2nd SPS dispatching command that adopts described G-RNTI descrambling to obtain when this UE is used for speaker user.
UE as above, wherein, the GCCH dispatching command that described GCCH scheduling descrambling unit specifically is used for adopting described G-RNTI descrambling to read from the public space of described CCE.
UE as above, wherein, the SPS activation command that described SPS scheduling descrambling unit specifically reads for the public space that adopts described G-RNTI descrambling from control channel unit CCE when this UE is used for monitoring users, and/or, the SPS deexcitation order of adopting described G-RNTI descrambling to read from the public space of described CCE when this UE is used for monitoring users.
UE as above, wherein, the SPS activation command that the private space that described descrambling unit is specifically determined for the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI that adopts described G-RNTI descrambling from speaker user described in described CCE when this UE is used for speaker user reads, and/or, the SPS deexcitation order of adopting described G-RNTI descrambling to read from the definite private space of the C-RNTI of speaker user described in described CCE when this UE is used for speaker user, and/or, when being used for speaker user, adopt this UE described G-RNTI descrambling to retransmit order from the SPS scheduling that the definite private space of the C-RNTI of speaker user described in described CCE reads.
The technique effect of one aspect of the invention is: at down direction, eNB is monitoring users configuration G-RNTI, and this G-RNTI is used for the SPS scheduling; At up direction, eNB is configured to the G-RNTI identical with down direction with speaker user's the RNTI that is used for the SPS scheduling.ENB is sending to monitoring users and speaker user that GCCH dispatching command and SPS activate and during deexcitation, is all adopting this G-RNTI to carry out scrambling.At down direction, speaker and monitoring users are all monitored the GCCH dispatching command of G-RNTI scrambling, be G-RNTI thereby the RNTI that speaker user and monitoring users are adopted is all unified in the monitoring of SPS scheduling process and GCCH channel, reduced total number of RNTI in the system, thereby reduced the number of the RNTI that UE need process, therefore reduced the calculation process complexity of UE processor.
The technique effect of another aspect of the present invention is: speaker user's UE and the UE of monitoring users obtain G-RNTI from broadcast, and speaker user's UE configures cell according to SPS, and the SPS-C-RNTI of knowing self is above-mentioned G-RNTI.Monitoring users and speaker use and according to above-mentioned unified G-RNTI, the SPS dispatching command are carried out descrambling per family, and adopt this G-RNTI descrambling GCCH dispatching command.Be G-RNTI thereby the RNTI that speaker user and monitoring users adopt is all unified in SPS scheduling process and GCCH snoop procedure, reduced the number of the RNTI that UE need process, therefore reduced the calculation process complexity of UE processor.
The technique effect of another aspect of the present invention is: the radio unit of eNB is monitoring users configuration G-RNTI at down direction, this G-RNTI is used for the SPS scheduling, and the SPS dispensing unit is configured to the G-RNTI identical with down direction at up direction with speaker user's the RNTI that is used for the SPS scheduling.The first scheduling unit and the second scheduling unit all when sending the SPS schedule information to monitoring users and speaker user, adopt this G-RNTI to carry out scrambling.Be G-RNTI thereby the RNTI that speaker user and monitoring users are adopted is all unified in the SPS scheduling process, reduced total number of RNTI in the system, thereby reduced the number of the RNTI that UE need process, therefore reduced the calculation process complexity of UE processor.
The technique effect of another aspect of the present invention is: the message sink unit of UE obtains G-RNTI from broadcast when UE is used for speaker user or monitoring users, and the SPS configuration information acquiring unit of UE knows that by reading SPS configuration cell the SPS-C-RNTI of this UE is above-mentioned G-RNTI when UE is used for speaker user.The SPS of UE scheduling descrambling unit carries out descrambling according to above-mentioned unified G-RNTI to the SPS dispatching command when UE is used for speaker user or monitoring users.Be G-RNTI thereby the RNTI that speaker user and monitoring users adopt is all unified in the SPS scheduling process, reduced the number of the RNTI that UE need process, therefore reduced the calculation process complexity of UE processor.
Description of drawings
Fig. 1 is the flow chart of the group service method for scrambling of the embodiment of the present invention one;
Fig. 2 is the flow chart of the group service method for scrambling of the embodiment of the present invention two
Fig. 3 is the flow chart of the group service de-scrambling method of the embodiment of the present invention three;
Fig. 4 is the flow chart of the group service de-scrambling method of the embodiment of the present invention four;
Fig. 5 is the structural representation of the eNB of the embodiment of the present invention five;
Fig. 6 is the structural representation of the UE of the embodiment of the present invention six.
Embodiment
Fig. 1 is the flow chart of the group service method for scrambling of the embodiment of the present invention one.As shown in Figure 1, the method comprises following process.
Step 101:eNB sends to speaker user's UE and the UE of monitoring users the broadcast that comprises G-RNTI.
Step 102:eNB is configured to above-mentioned G-RNTI with the SPS-C-RNTI in speaker user's SPS configuration cell.
Step 103:eNB sends to speaker user's UE and the UE of monitoring users group control channel (Group Control Channel the is called for short GCCH) dispatching command that adopts above-mentioned G-RNTI scrambling.
Step 104:eNB sends to the UE of monitoring users a SPS dispatching command that adopts above-mentioned G-RNTI scrambling.
Step 105:eNB sends to speaker user's UE the 2nd SPS dispatching command that adopts above-mentioned G-RNTI scrambling.
Above-mentioned steps 103 is unrestricted with the execution sequence of step 104, only be implemented as example in Fig. 1 after step 103 is explained with step 104, in other specific implementation, step 104 can be carried out before step 103, and perhaps step 104 is carried out simultaneously with step 103.
In the embodiment of the present invention one, eNB is when carrying out uplink-downlink configuration, be monitoring users configuration G-RNTI at down direction, this G-RNTI is used for the SPS scheduling, at up direction, speaker user's the RNTI that is used for the SPS scheduling is configured to the G-RNTI identical with down direction.ENB all adopts this G-RNTI to carry out scrambling when sending the GCCH dispatching command relevant with SPS to monitoring users and speaker user.Be G-RNTI thereby the RNTI that speaker user and monitoring users are adopted is all unified in SPS scheduling process and GCCH snoop procedure, reduced total number of RNTI in the system, thereby reduced the number of the RNTI that UE need process, therefore reduced the calculation process complexity of UE processor.
Fig. 2 is the flow chart of the group service method for scrambling of the embodiment of the present invention two.As shown in Figure 2, the method comprises following process.
Step 201:eNB sends to speaker user's UE and the UE of monitoring users the broadcast that comprises G-RNTI.
In this step, when group service was set up, eNB can configure the corresponding G-RNTI of this group for each group by broadcast.This message sends to speaker user's UE and the UE of monitoring users in the mode of broadcasting, thereby makes the UE of speaker user and monitoring users can both obtain by reading this broadcast the activation G-RNTI used of group at self place.
Step 202:eNB is configured to above-mentioned G-RNTI with the SPS-C-RNTI in speaker user's SPS configuration cell.
In this step, when the SPS configuration of carrying out speaker user, SPS configuration cell (Information Element with this speaker user, be called for short IE) in SPS-C-RNTI be configured to above-mentioned G-RNTI, be about to SPS-C-RNTI in speaker user's SPS configuration IE and be configured to the identical G-RNTI of G-RNTI that comprises in broadcast with step 201.Particularly, when SPS configuration IE was arranged, SPS configured " SemiPersistSchedC-RNTI " field in IE and is set to the G-RNTI that relates in above-mentioned steps 201.According to as above configuration, for the speaker user of private network, its G-RNTI is equal to SPS-C-RNTI.
After step 202, eNB sends to speaker user's UE and the UE of monitoring users the GCCH dispatching command that adopts above-mentioned G-RNTI scrambling, particularly, and execution in step 203.
Step 203:eNB adopts the GCCH dispatching command of above-mentioned G-RNTI scrambling in the public space configuration of CCE.
After step 202, eNB sends to the UE of monitoring users a SPS dispatching command that adopts above-mentioned G-RNTI scrambling, particularly, and execution in step 204.
Step 204:eNB adopts the SPS activation command of above-mentioned G-RNTI scrambling in the public space configuration of CCE, and/or eNB adopts the SPS deexcitation order of above-mentioned G-RNTI scrambling in the public space configuration of CCE.
After step 202, eNB sends to speaker user's UE the 2nd SPS dispatching command that adopts above-mentioned G-RNTI scrambling, specifically comprises the following steps 205.
Step 205 is unrestricted with the execution sequence of step 203, step 204, only is implemented as successively example with step 203, step 204, step 205 and is explained in Fig. 2, and in other specific implementation, the execution sequence of these three steps can be changed arbitrarily.。
The SPS activation command of above-mentioned G-RNTI scrambling is adopted in the private space configuration that step 205:eNB speaker user's in CCE C-RNTI determines, and/or, the SPS deexcitation order of above-mentioned G-RNTI scrambling is adopted in the private space configuration that eNB speaker user's in CCE C-RNTI determines, and/or the private space configuration that eNB speaker user's in CCE C-RNTI determines adopts the SPS scheduling of above-mentioned G-RNTI scrambling to retransmit order.
In this step, in above-mentioned CCE, speaker user's private space is space definite according to speaker user's C-RNTI in CCE.
In the embodiment of the present invention two, eNB is by the equal unified G-RNTI that is configured to of RNTI that speaker user and monitoring users are adopted in SPS scheduling process and GCCH snoop procedure, total number of RNTI in the minimizing system, thereby reduced the number of the RNTI that UE need process, therefore reduced the calculation process complexity of UE processor.And, eNB adopts the command configuration of G-RNTI scrambling on public space at the down direction handle, because monitoring users and speaker user need the PDCCH order on the demodulation public space always, therefore as long as G-RNTI on the data mould after demodulation on public space, can complete the demodulation to the order of adopting the G-RNTI scrambling, this demodulation calculation process process is simple, therefore can reduce the complexity of UE calculation process, and save the required power consumption of calculation process, the stand-by time that is conducive to extend UE.
Fig. 3 is the flow chart of the group service de-scrambling method of the embodiment of the present invention three.As shown in Figure 3, the method comprises following process.
Step 301: speaker user's UE and the UE of monitoring users obtain the broadcast that comprises G-RNTI.
Step 302: speaker user's UE obtains SPS-C-RNTI from SPS configuration cell be above-mentioned G-RNTI.
Step 303: the GCCH dispatching command that speaker user's UE and the UE of monitoring users adopt above-mentioned G-RNTI descrambling to obtain.
Step 304: the SPS dispatching command that the UE of monitoring users adopts above-mentioned G-RNTI descrambling to obtain.
Step 305: the 2nd SPS dispatching command that speaker user's UE adopts above-mentioned G-RNTI descrambling to obtain.
In the embodiment of the present invention three, speaker user's UE and the UE of monitoring users obtain G-RNTI from broadcast, and speaker user's UE configures cell according to SPS, and the SPS-C-RNTI of knowing self is above-mentioned G-RNTI.Monitoring users and speaker use and according to above-mentioned unified G-RNTI, the SPS dispatching command are carried out descrambling per family, and the GCCH dispatching command is carried out descrambling.Be G-RNTI thereby the RNTI that speaker user and monitoring users adopt is all unified in SPS scheduling process and GCCH snoop procedure, reduced the number of the RNTI that UE need process, therefore reduced the calculation process complexity of UE processor.
Fig. 4 is the flow chart of the group service de-scrambling method of the embodiment of the present invention four.As shown in Figure 4, the method comprises following process.
Step 401: speaker user's UE and the UE of monitoring users obtain the broadcast that comprises G-RNTI.
In this step, due to when group service is set up, eNB configures the corresponding G-RNTI of this group for each group by broadcast, and therefore in this step, speaker user's UE and the UE of monitoring users obtain the activation G-RNTI used of group at self place by reading this broadcast.
Step 402: speaker user's UE obtains SPS-C-RNTI from SPS configuration cell be above-mentioned G-RNTI.
In this step, speaker user's UE obtains the SPS-C-RNTI that eNB is the SPS configuration from the SPS configuration cell of self correspondence.Particularly, speaker user's UE reads SPS configuration IE, obtain SPS-C-RNTI according to " SemiPersistSchedC-RNTI " field in SPS configuration IE, in the embodiment of the present invention four, " SemiPersistSchedC-RNTI " field configuration in SPS configuration IE be with above-mentioned steps 301 in broadcast in the identical G-RNTI of G-RNTI, speaker user's UE is by reading above-mentioned field, with G-RNTI as SPS-C-RNTI, for the speaker user of private network, its G-RNTI is equal to SPS-C-RNTI.
After step 402, the GCCH dispatching command that speaker user's UE and the UE of monitoring users adopt above-mentioned G-RNTI descrambling to obtain, particularly, execution in step 403.
Step 403: the GCCH dispatching command that speaker user's UE and the UE of monitoring users adopt above-mentioned G-RNTI descrambling to read from the public space of CCE.
After step 402, the first scheduling SPS order that the UE of monitoring users adopts above-mentioned G-RNTI descrambling to obtain, particularly, execution in step 404.
Step 404: the SPS activation command that the UE of monitoring users adopts above-mentioned G-RNTI descrambling to read from the public space of CCE, and/or, the SPS deexcitation order that the UE of monitoring users adopts above-mentioned G-RNTI descrambling to read from the public space of CCE.
After step 402, the 2nd SPS dispatching command that speaker user's UE adopts above-mentioned G-RNTI descrambling to obtain particularly, comprises the following steps 405.
Step 405 is unrestricted with the execution sequence of step 403, step 404, only is implemented as successively example with step 403, step 404, step 405 and is explained in Fig. 4, and in other specific implementation, the execution sequence of these three steps can be changed arbitrarily.
Step 405: the SPS activation command that the private space that speaker user's UE adopts above-mentioned G-RNTI descrambling speaker user's from CCE C-RNTI to determine reads, and/or, the SPS deexcitation order that the private space that speaker user's UE adopts above-mentioned G-RNTI descrambling speaker user's from CCE C-RNTI to determine reads, and/or the SPS scheduling that the private space that speaker user's UE adopts above-mentioned G-RNTI descrambling speaker user's from CCE C-RNTI to determine reads retransmits order.
In this step, in above-mentioned CCE, speaker user's private space is space definite according to speaker user's C-RNTI in CCE.Particularly, read SPS activation command and/or SPS deexcitation order and/or SPS scheduling in the private space that speaker user's UE speaker user's from CCE C-RNTI determines and retransmit order, then, speaker user's UE adopts above-mentioned G-RNTI to carry out descrambling to the above-mentioned order that reads.
In the embodiment of the present invention four, the RNTI that speaker user and monitoring users adopt in SPS scheduling process and GCCH snoop procedure is all unified is G-RNTI, has reduced the number of the RNTI that UE need process, has therefore reduced the calculation process complexity of UE processor.And, the UE of monitoring users and speaker user's UE read the GCCH dispatching command from public space, because UE needs the PDCCH order on the demodulation public space always, therefore as long as UE is G-RNTI on the data mould after demodulation on public space, can complete the demodulation to the order of adopting the G-RNTI scrambling, this demodulation calculation process process is simple, therefore can reduce the complexity of UE calculation process, and save the required power consumption of calculation process, the stand-by time that is conducive to extend UE.
Fig. 5 is the structural representation of the eNB of the embodiment of the present invention five.As shown in Figure 5, comprise at least in this eNB: radio unit 51, SPS dispensing unit 52, the first scheduling unit 53, the second scheduling unit 54 and GCCH scheduling unit 55.
Wherein, radio unit 51 is used for sending to speaker user's UE and the UE of monitoring users the broadcast that comprises G-RNTI.
The first scheduling unit 53 is used for sending to the UE of monitoring users a SPS order and the GCCH dispatching command that adopts above-mentioned G-RNTI scrambling.
The second scheduling unit 54 is used for sending to speaker user's UE the 2nd SPS order of adopting above-mentioned G-RNTI scrambling.
On the basis of technique scheme, particularly, the concrete GCCH dispatching command that is used for adopting in the public space configuration of CCE above-mentioned G-RNTI scrambling of GCCH scheduling unit 55.
On the basis of technique scheme, particularly, the first concrete SPS activation command that is used for adopting in the public space configuration of CCE above-mentioned G-RNTI scrambling of scheduling unit 53, and/or, the SPS deexcitation order of above-mentioned G-RNTI scrambling adopted in the public space configuration of CCE.
On the basis of technique scheme, particularly, the SPS activation command of above-mentioned G-RNTI scrambling is adopted in the concrete private space configuration that is used for determining at CCE speaker user's C-RNTI of the second scheduling unit 54, and/or, the SPS deexcitation order of above-mentioned G-RNTI scrambling is adopted in the private space configuration that speaker user's C-RNTI determines in CCE, and/or the private space configuration that speaker user's C-RNTI determines in CCE adopts the SPS scheduling of above-mentioned G-RNTI scrambling to retransmit order.
In the embodiment of the present invention five, eNB is when carrying out uplink-downlink configuration, radio unit is that monitoring users and speaker user configure G-RNTI at down direction, this G-RNTI is used for the scrambling of SPS scheduling and GCCH, and the SPS dispensing unit is configured to the G-RNTI identical with down direction at up direction with speaker user's the RNTI that SPS dispatches that is used for.When sending schedule information to monitoring users and speaker user, the first scheduling unit and the second scheduling unit all adopt this G-RNTI to carry out scrambling to the SPS dispatching command, and the GCCH scheduling unit also adopts above-mentioned G-RNTI to carry out scrambling to the GCCH dispatching command.Be G-RNTI thereby the RNTI that speaker user and monitoring users are adopted is all unified in SPS scheduling process and GCCH scheduling process, reduced total number of RNTI in the system, thereby reduced the number of the RNTI that UE need process, therefore reduced the calculation process complexity of UE processor.
And, the GCCH scheduling unit of eNB adopts the command configuration of G-RNTI scrambling on public space at the down direction handle, because monitoring users and speaker user need the PDCCH order on the demodulation public space always, therefore as long as G-RNTI on the data mould after demodulation on public space, can complete the demodulation to the order of adopting the G-RNTI scrambling, this demodulation calculation process process is simple, therefore can reduce the complexity of UE calculation process, and save the required power consumption of calculation process, the stand-by time that is conducive to extend UE.
Fig. 6 is the structural representation of the UE of the embodiment of the present invention six.As shown in Figure 6, this UE comprises: message sink unit 61, SPS configuration information acquiring unit 62, SPS scheduling descrambling unit 63 and GCCH scheduling descrambling unit 64.
Wherein, message sink unit 61 is used for obtaining from eNB the broadcast that comprises G-RNTI.No matter this UE is as monitoring users or speaker user, all adopts message sink unit 61 to obtain the broadcast that comprises G-RNTI from eNB.
It is above-mentioned G-RNTI that SPS configuration information acquiring unit 62 is used for obtaining SPS-C-RNTI from SPS configuration cell when this UE is used for speaker user.SPS configuration information acquiring unit 62 only is used for this UE as speaker user's situation, and during as speaker user, adopting SPS configuration information acquiring unit 62 to obtain SPS-C-RNTI from SPS configuration cell is above-mentioned G-RNTI as this UE.
GCCH scheduling descrambling unit 64 is for the GCCH dispatching command that adopts above-mentioned G-RNTI descrambling to obtain.Particularly, no matter this UE is used for monitoring users or speaker user, and GCCH scheduling descrambling unit 64 is the concrete GCCH dispatching command that is used for adopting above-mentioned G-RNTI descrambling to read from the public space of CCE all.
SPS scheduling descrambling unit 63 is used for the SPS dispatching command that adopts above-mentioned G-RNTI descrambling to obtain from eNB, the 2nd SPS dispatching command that adopts above-mentioned G-RNTI descrambling to obtain from eNB when this UE is used for speaker user when this UE is used for monitoring users.
Particularly, when this UE is used for monitoring users, the SPS dispatching command that descrambling unit 63 adopts above-mentioned G-RNTI descramblings to obtain from eNB.In the case, the function of descrambling unit 63 comprises: the SPS activation command that adopts above-mentioned G-RNTI descrambling to read from the public space of CCE, and/or, the SPS deexcitation order of adopting above-mentioned G-RNTI descrambling to read from the public space of CCE.
When this UE was used for speaker user, descrambling unit 63 was used for the 2nd SPS dispatching command that adopts above-mentioned G-RNTI descrambling to obtain.In the case, the function of descrambling unit 63 comprises: the SPS activation command that adopts private space that above-mentioned G-RNTI descrambling this speaker user's from CCE C-RNTI determines to read, and/or, the SPS deexcitation order of adopting private space that above-mentioned G-RNTI descrambling this speaker user's from CCE C-RNTI determines to read, and/or, adopt the SPS scheduling that private space that above-mentioned G-RNTI descrambling this speaker user's from CCE C-RNTI determines reads to retransmit order.
In the embodiment of the present invention six, when UE is used for speaker user or monitoring users, the message sink unit of this UE all obtains G-RNTI from broadcast, the GCCH dispatching command that GCCH scheduling descrambling unit adopts above-mentioned G-RNTI descrambling to obtain, and, when UE was used for speaker user, the SPS configuration information acquiring unit of UE knew that by reading SPS configuration cell the SPS-C-RNTI of this UE is above-mentioned G-RNTI.When UE was used for speaker user or monitoring users, the descrambling unit of UE all carried out descrambling according to above-mentioned unified G-RNTI to the SPS dispatching command.Be G-RNTI thereby the RNTI that speaker user and monitoring users adopt is all unified in SPS scheduling process and GCCH snoop procedure, reduced the number of the RNTI that UE need process, therefore reduced the calculation process complexity of UE processor.
And, when UE is used for monitoring users and speaker user, the descrambling unit of UE reads the GCCH dispatching command from public space, because monitoring users and speaker user need the PDCCH order on the demodulation public space always, therefore as long as UE is G-RNTI on the data mould after demodulation on public space, can complete the demodulation to the order of adopting the G-RNTI scrambling, this demodulation calculation process process is simple, therefore can reduce the complexity of UE calculation process, and save the required power consumption of calculation process, the stand-by time that is conducive to extend UE.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can be completed by the hardware that program command is correlated with.Aforesaid program can be stored in a computer read/write memory medium.This program is carried out the step that comprises above-mentioned each embodiment of the method when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a group service method for scrambling, is characterized in that, comprising:
Send to speaker user's user equipment (UE) and the UE of monitoring users the broadcast that comprises the Radio Network Temporary Identifier G-RNTI of group;
Semi-persistent scheduling Cell Radio Network Temporary Identifier/Identity, Cell-RNTI SPS-C-RNTI in speaker user's semi-persistent scheduling SPS configuration cell is configured to described G-RNTI;
Send to speaker user's UE and the UE of monitoring users the group control channel GCCH dispatching command that adopts described G-RNTI scrambling;
UE to described monitoring users sends a SPS dispatching command that adopts described G-RNTI scrambling;
UE to described speaker user sends the 2nd SPS dispatching command that adopts described G-RNTI scrambling.
2. method according to claim 1, is characterized in that,
Described UE and the UE of monitoring users to speaker user sends and adopts the GCCH dispatching command of described G-RNTI scrambling to comprise: the GCCH dispatching command that adopts described G-RNTI scrambling in the public space configuration of control channel unit CCE;
Described UE to described monitoring users sends and adopts a SPS dispatching command of described G-RNTI scrambling to comprise: the SPS activation command that adopts described G-RNTI scrambling in the public space configuration of described CCE; And/or, adopt the SPS deexcitation order of described G-RNTI scrambling in the public space configuration of described CCE;
Described UE to described speaker user sends and adopts the 2nd SPS dispatching command of described G-RNTI scrambling to comprise: the private space of determining at the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of speaker user described in described CCE configures the SPS activation command that adopts described G-RNTI scrambling; And/or the private space of determining at the C-RNTI of speaker user described in described CCE configures the SPS deexcitation order of adopting described G-RNTI scrambling; And/or, adopt the SPS scheduling of described G-RNTI scrambling to retransmit order in the private space configuration that the C-RNTI of speaker user described in described CCE determines.
3. a group service de-scrambling method, is characterized in that, comprising:
Speaker user's user equipment (UE) and the UE of monitoring users obtain the broadcast that comprises the Radio Network Temporary Identifier G-RNTI of group;
Speaker user's UE obtains semi-persistent scheduling Cell Radio Network Temporary Identifier/Identity, Cell-RNTI SPS-C-RNTI from semi-persistent scheduling SPS configuration cell be described G-RNTI;
The group control channel GCCH dispatching command that speaker user's user equipment (UE) and the UE of monitoring users adopt described G-RNTI descrambling to obtain;
The SPS dispatching command that the UE of monitoring users adopts described G-RNTI descrambling to obtain;
The 2nd SPS dispatching command that speaker user's UE adopts described G-RNTI descrambling to obtain.
4. method according to claim 3, is characterized in that,
The GCCH dispatching command that described speaker user's UE and the UE of monitoring users adopt described G-RNTI descrambling to obtain comprises: the GCCH dispatching command that described speaker user's UE and the UE of monitoring users adopt described G-RNTI descrambling to read from the public space of described CCE;
The SPS dispatching command that the UE of described monitoring users adopts described G-RNTI descrambling to obtain comprises: the SPS activation command that the UE of described monitoring users adopts described G-RNTI descrambling to read from the public space of control channel unit CCE; And/or, the SPS deexcitation order that the UE of described monitoring users adopts described G-RNTI descrambling to read from the public space of described CCE;
The 2nd SPS dispatching command that described speaker user's UE adopts described G-RNTI descrambling to obtain comprises: the SPS activation command that described speaker user's UE adopts described G-RNTI descrambling to read from the definite private space of the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of speaker user described in described CCE; And/or, the SPS deexcitation order that described speaker user's UE adopts described G-RNTI descrambling to read from the definite private space of the C-RNTI of speaker user described in described CCE; And/or described speaker user's UE adopts described G-RNTI descrambling to retransmit order from the SPS scheduling that the definite private space of the C-RNTI of speaker user described in described CCE reads.
5. a base station eNB, is characterized in that, comprising:
Radio unit is used for sending to speaker user's user equipment (UE) and the UE of monitoring users the broadcast that comprises the Radio Network Temporary Identifier G-RNTI of group;
Semi-persistent scheduling SPS dispensing unit, the semi-persistent scheduling Cell Radio Network Temporary Identifier/Identity, Cell-RNTI SPS-C-RNTI that configures cell for the SPS with speaker user is configured to described G-RNTI;
Group control channel GCCH scheduling unit is used for sending to speaker user's UE and the UE of monitoring users the GCCH dispatching command that adopts described G-RNTI scrambling;
The first scheduling unit is used for sending to the UE of described monitoring users a SPS dispatching command that adopts described G-RNTI scrambling;
The second scheduling unit is used for sending to described speaker user's UE the 2nd SPS dispatching command that adopts described G-RNTI scrambling.
6. eNB according to claim 5, is characterized in that,
Described GCCH scheduling unit specifically is used for adopting in the public space configuration of control channel unit CCE the GCCH dispatching command of described G-RNTI scrambling;
Described the first scheduling unit specifically is used for adopting in the public space configuration of described CCE the SPS activation command of described G-RNTI scrambling, and/or, adopt the SPS deexcitation order of described G-RNTI scrambling in the public space configuration of described CCE;
The SPS activation command of described G-RNTI scrambling is adopted in the private space configuration that described the second scheduling unit specifically is used for determining at the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of speaker user described in described CCE, and/or, the private space of determining at the C-RNTI of speaker user described in described CCE configures the SPS deexcitation order of adopting described G-RNTI scrambling, and/or, adopt the SPS scheduling of described G-RNTI scrambling to retransmit order in the private space configuration that the C-RNTI of speaker user described in described CCE determines.
7. a user equipment (UE), is characterized in that, comprising:
The message sink unit is used for obtaining the broadcast that comprises the Radio Network Temporary Identifier G-RNTI of group;
Semi-persistent scheduling SPS configuration information acquiring unit, being used for obtaining semi-persistent scheduling Cell Radio Network Temporary Identifier/Identity, Cell-RNTI SPS-C-RNTI from SPS configuration cell when described UE is used for speaker user is described G-RNTI;
Group control channel GCCH scheduling descrambling unit is used for the GCCH dispatching command that adopts described G-RNTI descrambling to obtain;
SPS scheduling descrambling unit, for a SPS dispatching command that adopts described G-RNTI descrambling to obtain when this UE is used for monitoring users, the 2nd SPS dispatching command that adopts described G-RNTI descrambling to obtain when this UE is used for speaker user.
8. UE according to claim 7, is characterized in that, comprising:
The GCCH dispatching command that described GCCH scheduling descrambling unit specifically reads for the public space that adopts described G-RNTI descrambling from described CCE.
9. according to claim 7 or 8 described UE, is characterized in that, comprising:
The SPS activation command that described SPS scheduling descrambling unit specifically reads for the public space that adopts described G-RNTI descrambling from control channel unit CCE when this UE is used for monitoring users, and/or, the SPS deexcitation order of adopting described G-RNTI descrambling to read from the public space of described CCE when this UE is used for monitoring users.
10. according to claim 7 or 8 described UE, is characterized in that, comprising:
the SPS activation command that the private space that described descrambling unit is specifically determined for the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI that adopts described G-RNTI descrambling from speaker user described in described CCE when this UE is used for speaker user reads, and/or, the SPS deexcitation order of adopting described G-RNTI descrambling to read from the definite private space of the C-RNTI of speaker user described in described CCE when this UE is used for speaker user, and/or, when being used for speaker user, adopt this UE described G-RNTI descrambling to retransmit order from the SPS scheduling that the definite private space of the C-RNTI of speaker user described in described CCE reads.
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