CN106470399A - The method and system of semi-continuous scheduling reactivation in cluster multi call business - Google Patents
The method and system of semi-continuous scheduling reactivation in cluster multi call business Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
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Abstract
The invention discloses in a kind of cluster multi call business semi-continuous scheduling reactivation method and system, the method includes：When receiving the signaling message of the semi-continuous scheduling SPS reactivation of dynamic reorganization or the group-calling service accessing triggering that lags after user equipment (UE) is set up because of cell reselection, group-calling service, intervene, to media, the configured information that key-course MAC sends SPS reactivation, inquire about whether this group-calling service meets SPS reactivation condition according to described G-RNTI or SPS G-RNTI；When described group-calling service meets SPS reactivation condition and sends this group-calling service new data in the SPS resource of next group-calling service, send with the authorization message of the SPS reactivation carrying in the physical downlink control channel PDCCH of described SPS G-RNTI scrambling to described UE, said method reduces the expense of PDCCH control signaling.
Description
Technical field
The present invention relates to communication technical field is and in particular to semi-continuous scheduling in cluster multi call business
The method and system of reactivation.
Background technology
Fast development with social economy and the changes in demand of industry customer, have big bandwidth,
Two-forty, Long Term Evolution (the Long Term of full IP, efficient commander's control and real-time response ability
Evolved, abbreviation LTE) broadband cluster will lead trunking communication to enter brand-new epoch.
TD-LTE broadband cluster communication system not only can support TD-LTE mobile communication system itself
Various multimedia services, and basic trunked call service and Cluster Multimedia can be provided
Business, such as voice group call service, voice individual calling, visual group exhale, visual individual calling, broadcast ＆ call, reality
When transmission of video etc..
Private network wideband multimedia Clustering is combined closely with sector application, promotes TD-LTE width
Band trunked communication system constantly improve and fast development in the industry.CCSA
(CCSA) dominate and complete TD-LTE broadband trunking communication industry standard, this is also domestic base
First industry standard in 4G technological cluster.Cluster multi call business is a kind of point-to-multipoint
Business, plays huge effect in cluster private network.In the private network cluster standard of CCSA,
Cluster multi call can adopt semi-continuous scheduling (Semi-Persistent Scheduling, abbreviation SPS)
Mode, eNode B send first radio resource control (Radio Resource Control,
Abbreviation RRC) signaling carries out SPS and configures accordingly, such as semi-continuous scheduling interval and SPS
G-RNTI.ENode B passes through to send the Physical Downlink Control Channel (Physical of SPS activation
Downlink Control Channel, abbreviation PDCCH) used by the actual distribution of collection group
SPS resource, SPS resource, will periodically effectively, until being released once activating.Point is right
In the cluster multi call communication process of multiple spot, the same group of UE exhaling can be distributed in multiple cells.When
When cluster multi call business adopts semi-continuous scheduling mode, need eNode B many under some scenes
The PDCCH of secondary transmission SPS activation, to ensure that UE set up the cell that this group is exhaled entering
After can answer this group and exhale.
Semi-persistent scheduling Activiation method is periodically to send group paging by eNode B at present
Message, and send what SPS activation command was realized based on predetermined period.This periodicity sends
Mode is not to send on demand, when do not have UE need receive SPS activation command when, eNode B because
Cycle reaches the PDCCH that still will send SPS activation.So, substantially increase PDCCH
Expense.Group is exhaled scheduling used in addition, the private network cluster standard of CCSA gives
The regulation of PDCCH search space.If certain cell has multiple using public in group system
The group of search space scheduling is exhaled altogether, and these groups are exhaled and will periodically be sent on public search space
SPS activation PDCCH, meanwhile, public search space natively have public information (broadcast,
Paging, Stochastic accessing etc.) expense, exhaling for newly-established group must before 300ms timer expiry
Must be using public search space so that public search space PDCCH resource be more nervous, this
Sample, be may result in only to be exhaled using the group of public search space and cannot get because sending DCI
Timely dispatch.If running into the situation of group-calling service burst, phenomenon can be even more serious.
Content of the invention
For defect of the prior art, the invention provides partly holding in a kind of cluster multi call business
The method and system of continuous scheduling reactivation, reduce the expense of PDCCH control signaling.
In a first aspect, the present invention provides semi-continuous scheduling reactivation in a kind of cluster multi call business
Method, including：
Receive user equipment (UE) because cell reselection, group-calling service set up after dynamic reorganization or
During the signaling message of semi-continuous scheduling SPS reactivation of group-calling service that the access that lags triggers, to
Media intervene the configured information that key-course MAC sends described SPS reactivation, described instruction letter
Breath includes mark G-RNTI or the semi-persistent scheduling mark SPS G-RNTI of described group-calling service；
Inquire about whether this group-calling service meets SPS according to described G-RNTI or SPS G-RNTI
Reactivation condition；
Meet SPS reactivation condition in described group-calling service and in next group-calling service
The moment of this group-calling service new data is sent on SPS resource, sends with described SPS to described UE
In the physical downlink control channel PDCCH of G-RNTI scrambling, the SPS reactivation of carrying awards
Power information.
Optionally, described this group-calling service is inquired about according to described G-RNTI or SPS G-RNTI
Whether meet SPS reactivation condition, including：
Inquire about whether described group-calling service is in half according to described G-RNTI or SPS G-RNTI
Continuous dispatching has activated and non-release conditions, if it is, meeting SPS reactivation condition；No
Then, execution receives the step that next group exhales message.
Optionally,
Meet SPS described group-calling service is inquired about according to described G-RNTI or SPS G-RNTI
After reactivation condition, before sending the authorization message of SPS reactivation to described UE, described
Method also includes：
The licensing status of described SPS reactivation are updated to TCCH signaling state to be sent,
And in resource allocation process when scheduled the TCCH signaling of described group-calling service, will be described
The licensing status of group-calling service corresponding SPS reactivation are by TCCH signaling state to be sent more
It is newly the mandate state to be sent of SPS reactivation, and the mandate of described SPS reactivation is treated
The number of times of transmission state is updated to preset value.
Optionally, described meet SPS reactivation condition and at next group in described group-calling service
Exhale the moment that this group-calling service new data is sent on the SPS resource of business, send to described UE
With the SPS carrying in the physical downlink control channel PDCCH of described SPS G-RNTI scrambling
The authorization message of reactivation, including：
When the Downlink Control Information DCI of the described UE carrying on described PDCCH is 1A,
Search the position of the corresponding search space of described group-calling service according to described G-RNTI, and be described
Group-calling service searches the PDCCH resource of idle condition；
In the PDCCH resource of the available free state of described group-calling service, by this idle condition pair
The PDCCH resource in the described PDCCH resource list of position is answered to be set to seizure condition；
The authorization message of described SPS reactivation is encapsulated in the PDCCH money of described seizure condition
On source, described group-calling service SPS reactivation licensing status be authorize state to be sent and
When the mandate number of times to be sent of described SPS reactivation is preset value, send to described UE with institute
The SPS carrying is stated on the physical downlink control channel PDCCH of SPS G-RNTI scrambling swash again
The authorization message lived.
Optionally, send in described UE with the physical down control of described SPS G-RNTI scrambling
After the authorization message of SPS reactivation carrying on channel PDCCH processed, methods described is also wrapped
Include：
The licensing status of the SPS reactivation of described group-calling service are updated to normality, and will be described
The mandate number of times to be sent of SPS reactivation subtracts 1, and continues executing with to described UE transmission with institute
The SPS carrying is stated on the physical downlink control channel PDCCH of SPS G-RNTI scrambling swash again
The step of the authorization message lived, until the mandate number of times to be sent of described SPS reactivation is 0
Till.
Second aspect, present invention also offers semi-continuous scheduling swashs in a kind of cluster multi call business again
Live system, including：
First transmitting element, for exhaling industry because of cell reselection, group receiving user equipment (UE)
The semi-continuous scheduling SPS weight of dynamic reorganization or the group-calling service accessing triggering that lags after business foundation
During the signaling message of activation, intervene key-course MAC to media and send described SPS reactivation
Configured information, described configured information includes mark G-RNTI of described group-calling service or semi-static
Scheduling identification SPS G-RNTI；
First query unit, for inquiring about this group according to described G-RNTI or SPS G-RNTI
Exhale whether business meets SPS reactivation condition；
Second transmitting element, for described group-calling service meet SPS reactivation condition and under
Is sent on the SPS resource of one group-calling service, to described the moment of this group-calling service new data
UE sends and holds with the physical downlink control channel PDCCH of described SPS G-RNTI scrambling
The authorization message of the SPS reactivation carrying.
Optionally, described first query unit, is used for：
Inquire about whether described group-calling service is in half according to described G-RNTI or SPS G-RNTI
Continuous dispatching has activated and non-release conditions, if it is, meeting SPS reactivation condition；No
Then, execution receives the step that next group exhales message.
Optionally, described system also includes：First state updating block, for described first
Query unit meets according to the described group-calling service of described G-RNTI or SPS G-RNTI inquiry
After SPS reactivation condition, the licensing status of described SPS reactivation are updated to TCCH
Signaling state to be sent, and when scheduled described group-calling service in resource allocation process
During TCCH signaling, by the licensing status of corresponding for described group-calling service SPS reactivation by
TCCH signaling state to be sent is updated to the mandate state to be sent of SPS reactivation, and by institute
The number of times stating the mandate state to be sent of SPS reactivation is updated to preset value.
Optionally, described second transmitting element, is used for：
When the Downlink Control Information DCI of the described UE carrying on described PDCCH is 1A,
Search the position of the corresponding search space of described group-calling service according to described G-RNTI, and be described
Group-calling service searches the PDCCH resource of idle condition；
In the PDCCH resource of the available free state of described group-calling service, by this idle condition pair
The PDCCH resource in the described PDCCH resource list of position is answered to be set to seizure condition；
The authorization message of described SPS reactivation is encapsulated in the PDCCH money of described seizure condition
On source, described group-calling service SPS reactivation licensing status be authorize state to be sent and
When the mandate number of times to be sent of described SPS reactivation is preset value, send to described UE with institute
The SPS carrying is stated on the physical downlink control channel PDCCH of SPS G-RNTI scrambling swash again
The authorization message lived.
Optionally, described system also includes the second state updating unit；
Described second state updating unit, for sending in described UE with described SPS G-RNTI
Scrambling physical downlink control channel PDCCH on carry SPS reactivation authorization message it
Afterwards, the licensing status of the SPS reactivation of described group-calling service are updated to normality, and will be described
The mandate number of times to be sent of SPS reactivation subtracts 1；
Described second transmitting element, is not 0 for the mandate number of times to be sent in SPS reactivation
When, continue executing with and send with the physical down control of described SPS G-RNTI scrambling to described UE
The authorization message of the SPS reactivation carrying on channel PDCCH processed, until described SPS swashs again
Till the mandate number of times to be sent lived is 0.
As shown from the above technical solution, semi-continuous in a kind of cluster multi call business that the present invention provides
The method and system of scheduling reactivation, are exhaled after foundation because of cell reselection, group by receiving UE
Dynamic reorganization or the signaling of the semi-continuous scheduling SPS reactivation of group-calling service accessing triggering that lags
During message, send the configured information of SPS reactivation to MAC layer, and sentenced according to this configured information
When this group-calling service disconnected meets SPS reactivation, send the authorization message of SPS reactivation to UE,
The signaling decreasing PDCCH with the authorization message periodically sending SPS reactivation in the past is opened
Pin.
Brief description
In the cluster multi call business that Fig. 1 provides for one embodiment of the invention, semi-continuous scheduling swashs again
The schematic flow sheet of the method lived；
Semi-continuous scheduling in a kind of cluster multi call business that Fig. 2 provides for one embodiment of the invention
The structural representation of reactivation system.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of invention is further described.Hereinafter implement
Example is only used for clearly technical scheme being described, and can not limit this with this
Bright protection domain.
Fig. 1 shows semi-continuous in a kind of cluster multi call business that one embodiment of the invention provides
The schematic flow sheet of the method for scheduling reactivation, as shown in figure 1, the method comprises the following steps：
101st, receiving after user equipment (UE) is set up because of cell reselection, group-calling service dynamically
The signaling of restructuring or the semi-continuous scheduling SPS reactivation of group-calling service accessing triggering that lags disappears
During breath, intervene the configured information that key-course MAC sends described SPS reactivation, institute to media
State mark G-RNTI or the semi-persistent scheduling mark SPS that configured information includes described group-calling service
G-RNTI；
102nd, whether full this group-calling service is inquired about according to described G-RNTI or SPS G-RNTI
Sufficient SPS reactivation condition；
103rd, meet SPS reactivation condition and in next group-calling service in described group-calling service
SPS resource on send moment of this group-calling service new data, send to described UE with described
The SPS reactivation carrying in the physical downlink control channel PDCCH of SPS G-RNTI scrambling
Authorization message.
Send with the thing of described SPS G-RNTI scrambling to UE in base station in above-mentioned steps 103
The authorization message of the SPS reactivation carrying on reason down control channel PDCCH, so that UE
Obtain described SPS active information；According to described SPS active information and described semi-static tune
Degree G-RNTI information, carries out the reception of cluster multi call business datum.
Said method exhales after foundation dynamic reorganization or late by receiving UE because of cell reselection, group
During the signaling message of semi-continuous scheduling SPS reactivation of the group-calling service accessing triggering afterwards, to
MAC layer sends the configured information of SPS reactivation, and judges that this group is exhaled according to this configured information
The authorization message of SPS reactivation when business meets SPS reactivation, is sent to UE, and conventional
The authorization message periodically sending SPS reactivation decreases the signaling consumption of PDCCH.
First below to UE after the access that lags, cell reselection, group exhale foundation dynamic reorganization etc.
It is described in detail with the interaction flow of base station during scene.
Cell reselection and group are exhaled to the scene of the dynamic reorganization after foundation, be in IDLE state
Under group exhale called UE to carry out cell reselection or this cell established group exhale and this group is exhaled into
During Mobile state restructuring, when base station eNode B receives S1 mouth message Trunking Context
After Reestablishment Indication, the rrc layer instruction MAC layer triggering of eNode B
The SPS reactivation of this group-calling service, the MAC layer of eNode B is according to the instruction of rrc layer
Information first sends, by TCCH channel, the relevant configuration (GroupCallConfig) that this group exhales and disappears
Breath, then it is in semi-continuous scheduling state of activation and in the next one in this cluster multi call business
The moment of this business new data is sent on SPS resource, sends with the half of SPS G-RNTI scrambling
The PDCCH of continuous dispatching activation.
For the scene of the access that lags, when eNode B group-calling service adopts semi-continuous scheduling mode
When, the access that lags can trigger group-calling service SPS reactivation.ENode B sends to comprise to lag and connects
After the clustering paging message that the group entering is exhaled, the rrc layer instruction MAC layer triggering of eNode B should
The SPS reactivation of group-calling service, the MAC layer of eNode B is believed according to the instruction of rrc layer
Breath first sends, by TCCH channel, relevant configuration (GroupCallConfig) message that this group is exhaled,
It is in semi-continuous scheduling state of activation in this cluster multi call business and in next SPS again
The moment of this business new data is sent on resource, sends semi-continuous with SPS G-RNTI scrambling
The PDCCH of scheduling activation.
Below by specific embodiment, said method is described in detail.
Feature with voice service in LTE system is similar to, speech business in cluster multi call business
There is VoIP feature.Based in TD-LTE trunked communication system when cluster multi call speech business
During using semi-continuous scheduling mode, eNode B sends RRC information first and carries out cluster multi call
SPS configure accordingly, such as semi-continuous scheduling interval and SPS G-RNTI.ENode B leads to
The PDCCH crossing transmission SPS activation is the used SPS resource of the actual distribution of collection group,
SPS resource, will periodically effectively, until being released once activating.
In view of the point-to-multipoint characteristic of group-calling service, in a calling talk process, same
The UE that group is exhaled is likely distributed in multiple cells.When the group of RRC idle condition exhales listening user
Enter new cell (cell reselection) or be have new user to add the group conversed to exhale in (group
Exhale the dynamic reorganization after foundation) or be that user lags the scene of access, if cell is set up
This group is exhaled and this group vocative expression sound business adopts semi-continuous scheduling mode, then eNode B will send this
The PDCCH of SPS that group is exhaled activation, to ensure that UE set up this group-calling service entering
Can continue to after cell answer.
For eNode B, when organizing vocative expression sound business using semi-continuous scheduling, whole
It may be desirable to eNode B sends the PDCCH of SPS activation for many times in calling talk process.Under
Face provides the definition activating PDCCH with regard to the SPS that eNode B transmission group is exhaled：
Group exhales SPS activation to refer to that cluster multi call business is if necessary (as the activation phase arrives in cell
When), the PDCCH instruction cluster multi call that eNode B sends SPS G-RNTI scrambling is partly held
Continuous scheduling activation is the used SPS resource of the actual distribution of this collection group.This SPS resource one
Denier activates, will periodically effectively, until being released.
Group exhales SPS reactivation to refer to that eNode B activates in the semi-continuous scheduling of cluster multi call
And during not discharging, send the PDCCH instruction cluster of SPS G-RNTI scrambling again
Group exhales semi-continuous scheduling to activate, and the schedule information being sent and last time semi-continuous scheduling activate
When schedule information identical, that is, this send SPS activate PDCCH DCI information with upper
The DCI information that the SPS of secondary transmission activates PDCCH is identical.
Group exhales SPS reactivation to be to ensure that UE energy after the cell that this group is exhaled has been set up in entrance
Enough answer this group to exhale.Group exhale SPS reactivation be actually SPS activate PDCCH repeat send out
Send, therefore, realize during SPS reactivation, being also contemplated that the problem of control channel expense.
The method of semi-continuous scheduling reactivation in one of above-described embodiment cluster multi call business,
Comprise the following steps：
201st, receiving after user equipment (UE) is set up because of cell reselection, group-calling service dynamically
The signaling of restructuring or the semi-continuous scheduling SPS reactivation of group-calling service accessing triggering that lags disappears
During breath, intervene the configured information that key-course MAC sends described SPS reactivation, institute to media
State mark G-RNTI or the semi-persistent scheduling mark SPS that configured information includes described group-calling service
G-RNTI；
202nd, whether full this group-calling service is inquired about according to described G-RNTI or SPS G-RNTI
Sufficient SPS reactivation condition.
Inquire about whether described group-calling service is in half according to described G-RNTI or SPS G-RNTI
Continuous dispatching has activated and non-release conditions, if it is, meeting SPS reactivation condition, holds
Row step 203.
203rd, the licensing status of described SPS reactivation are updated to TCCH signaling shape to be sent
State, and in resource allocation process when scheduled the TCCH signaling of described group-calling service, will
The licensing status of this group-calling service corresponding SPS reactivation in the information table of described group-calling service
It is updated to the mandate state to be sent of SPS reactivation by TCCH signaling state to be sent, and
The number of times of the mandate state to be sent of described SPS reactivation is updated to preset value.
Specifically, the licensing status of above-mentioned SPS reactivation and the mandate of SPS reactivation are pending
Number of times is sent to be stored in collection group information table.When executing above-mentioned steps 203, can pass through
G-RNTI or SPS G-RNTI inquires about the mandate of the SPS reactivation in this collection group information table
The mandate number of times to be sent of state and SPS reactivation.
It will be appreciated that the number of times of the mandate state to be sent of described SPS reactivation is updated to
Preset value.This preset value can be any non-zero value, such as 2,3 etc..
204th, meet SPS reactivation condition and in next group-calling service in described group-calling service
SPS resource on send moment of this group-calling service new data, send to described UE with described
The SPS reactivation carrying in the physical downlink control channel PDCCH of SPS G-RNTI scrambling
Authorization message.
Specifically, semi-persistent scheduling mode Resources allocation is adopted for cluster multi call business, in order to
Support the data transfer during speech business activation in cluster multi call business, collection group can be read
The resource allocation information of the business in SPS resource information table, as the SPS reaching this group-calling service
The resource transmission moment, in the packet of SPS this group-calling service of transmitted over resources of this cluster multi call,
Meanwhile, check the collection corresponding SPS_DCI_state of group belonging to this business in collection group information table
Integrate group's SPS licensing status whether authorize as SPS to be sent, if SPS licensing status are
SPS authorizes state to be sent, then also send to described UE with described SPS G-RNTI scrambling
The authorization message of the SPS reactivation carrying in physical downlink control channel PDCCH, concrete execution
Process may include steps of：
Step 1, beginning；
Step 2, judgement collect group SPS resource information table, and (this information table is for storing and tieing up
The SPS relevant information of Hu Ji group) whether non-NULL, if non-NULL, proceed to next step；No
Then, execution step 11；
The resource allocation letter of first business in step 3, reading collection group SPS resource information table
Breath；
Step 4, this semi-continuous business correlation according to record in collection group SPS resource information table
Information, judges whether this business will send SPS business new data and this business in present sub-frame
Whether RLC caching now is non-NULL, if being all, executes next step, otherwise, execution
Step 9.In present sub-frame whether the determination methods sending SPS business new data are：
If present sub-frame i meets below equation, show that present sub-frame is by this semi-static business
The delivery time of new data.
{[SFNMAX·10+SFNi·10+subframei-Time_Schedule]mod(SFNMAX·10)}modPSPS=0
Wherein：SFNMAXRepresent the maximum numbering of SFN of system configuration, be definite value 1024；SFNi
Represent the radio frame number of present sub-frame i；subframeiRepresent the subframe numbers of present sub-frame i；
Time_Schedule represents the last scheduling instance of this semi-static business, in DL collection group
Store in SPS resource information table；PSPSRepresent that SPS business data packet reaches the cycle.
Step 5, according to collection group SPS resource information table in record this business dispatch first when
The resource information distributed and VRB mapping mode, to this traffic assignments identical resource, and
This resource RB state shared by business new data is set to unavailable, updates available resources bitmap
Information；
Step 6, the group package informatin to the instruction current new data transmission of multiplexed combinations entity.Wherein,
The value of TB Size is derived from collection group SPS resource information table.Simultaneously by belonging to this SPS business
Collection group ID is scheduled, and Time_Schedule is updated to current time.
Step 7, judge whether to trigger the reactivation of this SPS business, if it is, executing next
Step, otherwise, execution step 9.Determination methods are to check belonging to this business in collection group information table
The collection corresponding SPS_DCI_state of group integrates whether group's SPS licensing status authorize as SPS
To be sent, if it is, triggering the reactivation of this SPS business, otherwise, do not trigger reactivation；
Step 8, by this business, the type of service in collection group information table is changed to group and exhales SPS
Treat reactivation business, and update its corresponding priority factors；
Step 9, judge that whether current business is located at last of collection group SPS resource information table
Individual business information, if it is, execution step 11, otherwise, executes next step；
Next business in step 10, choice set group SPS resource information table, then proceed to
Step 4；
Step 11, end.
Scheduler, can be according to priority after the above-mentioned flow process processing group-calling service SPS reactivation
Factor size carries out prioritization to business to be scheduled, and then according to priority sequence is
Different business Resources allocation.When being discharged to treatment group and exhaling SPS whne reactivation business, scheduler is born
Blame and exhale SPS business application PDCCH resource to issue the mandate of reactivation resource for group.Specifically
Comprise the following steps:
Step (1), beginning；
The Downlink Control Information of the described UE that step (2), determination carry on described PDCCH
DCI is 1A；
PDCCH for cluster multi call semi-continuous scheduling confirms to be defined as：Only meet following
During condition, UE confirms that a cluster multi call semi-continuous scheduling distributes PDCCH：
The CRC parity check bit of-PDCCH payload semi-continuous scheduling G-RNTI (SPS
G-RNTI) scrambled.
- new data instructions field is set to " 0 ".
If each field confirms according to the PDCCH that table 1 semi-continuous scheduling activates in DCI1A
Special field setting or table 2 semi-continuous scheduling release PDCCH confirm special field arrange into
Row configuration, then realize the confirmation of PDCCH.
If completing to confirm, the DCI information that UE should mutually be considered as receiving is effectively partly
Continuous dispatching activation or release.
Table 1
| DCI format 1A | |
| HARQ enters number of passes | It is set to ' 0000 ' |
| Modulation and coded system | Highest significant position (MSB) is set to ' 0 ' |
| Redundancy versions | It is set to ' 00 ' |
Table 2
Step (3), this corresponding search space of collection group is calculated according to the G-RNTI of this collection group
Position candidate, and the PDCCH resource of idle condition is searched for this collection group；
Step (4), the result according to lookup PDCCH resource, judge whether this collection group has time
The PDCCH resource of not busy state, if it is, execution step (5), proceeds to step (8)；
Step (5), renewal PDCCH resource, and carry out PDCCH encapsulation, concrete operations are such as
Under：
1) the PDCCH resource position being taken according to this collection group calculating in step (3), directly
Connect and the PDCCH resource list of relevant position is set to occupancy；
2) SPS-G-RNTI according to this collection group of storage in collection group SPS resource information
With resource allocation relevant information, descending to the PDCCH of this collection group according to DCI 1A form
Control information packages and encapsulates；
Step (6), check collection group information table in current cluster group corresponding collection group SPS award
Power state SPS_DCI_state, collection group SPS authorize number of times to be sent
SPS_DCI_trans_Num, authorizes to be sent as SPS and collects when integrating group's SPS licensing status
When group SPS authorizes number of times to be sent to be not zero, collection group SPS authorizes number of times to be sent to subtract
One, afterwards, continue executing with and send with the physics of described SPS G-RNTI scrambling to described UE
The step of the authorization message of SPS reactivation carrying on down control channel PDCCH, until
Till the mandate number of times to be sent of described SPS reactivation is 0, authorizes in collection group SPS and treat
When transmission times is zero, collection group SPS licensing status are set to normality；
Step (7), the change of the type of service of this business is in semi-continuous scheduling activates and do not released
Put, and update its corresponding priority factors；
Step (8), end.
Fig. 2 shows a kind of structure of semi-continuous scheduling reactivation system in cluster multi call business
Schematic diagram, as shown in Fig. 2 this system includes：
First transmitting element 21, for exhaling because of cell reselection, group receiving user equipment (UE)
The semi-continuous scheduling SPS of dynamic reorganization or the group-calling service accessing triggering that lags after business foundation
During the signaling message of reactivation, send described SPS reactivation to media intervention key-course MAC
Configured information, described configured information includes mark G-RNTI of described group-calling service or half quiet
State scheduling identification SPS G-RNTI；
First query unit 22, for being somebody's turn to do according to described G-RNTI or SPS G-RNTI inquiry
Whether group-calling service meets SPS reactivation condition；
Second transmitting element 23, for described group-calling service meet SPS reactivation condition and
In the when of sending this group-calling service new data in the SPS resource of next group-calling service, to institute
State UE to send with the physical downlink control channel PDCCH of described SPS G-RNTI scrambling
The authorization message of the SPS reactivation carrying.
One of the present embodiment preferred embodiment in, described first query unit 24,
For：
Inquire about whether described group-calling service is in half according to described G-RNTI or SPS G-RNTI
Continuous dispatching has activated and non-release conditions, if it is, meeting SPS reactivation condition；No
Then, execution receives the step that next group exhales message.
One of the present embodiment preferred embodiment in, described system is also included in Fig. 2 not
The first state updating block illustrating, in described first query unit according to described
After G-RNTI the or SPS G-RNTI described group-calling service of inquiry meets SPS reactivation condition,
The licensing status of described SPS reactivation are updated to TCCH signaling state to be sent, and
In resource allocation process when scheduled the TCCH signaling of described group-calling service, described group is exhaled
In the information table of business, the licensing status of this group-calling service corresponding SPS reactivation are by TCCH
Signaling state to be sent is updated to the mandate state to be sent of SPS reactivation, and by described SPS
The number of times of the mandate state to be sent of reactivation is updated to preset value.
One of the present embodiment preferred embodiment in, described second transmitting element 23,
For：
When the Downlink Control Information DCI of the described UE carrying on described PDCCH is 1A,
Search the position of the corresponding search space of described group-calling service according to described G-RNTI, and be described
Group-calling service searches the PDCCH resource of idle condition；
In the PDCCH resource of the available free state of described group-calling service, by this idle condition pair
The PDCCH resource in the described PDCCH resource list of position is answered to be set to seizure condition；
The authorization message of described SPS reactivation is encapsulated in the PDCCH money of described seizure condition
On source, described group-calling service SPS reactivation licensing status be authorize state to be sent and
When the mandate number of times to be sent of described SPS reactivation is preset value, send to described UE with institute
The SPS carrying is stated on the physical downlink control channel PDCCH of SPS G-RNTI scrambling swash again
The authorization message lived.
One of the present embodiment preferred embodiment in, described system also includes the second state
Updating block；
Described second state updating unit, for sending in described UE with described SPS G-RNTI
Scrambling physical downlink control channel PDCCH on carry SPS reactivation authorization message it
Afterwards, the licensing status of the SPS reactivation of described group-calling service are updated to normality, and will be described
The mandate number of times to be sent of SPS reactivation subtracts 1；
Accordingly, described second transmitting element, to be sent secondary for the mandate in SPS reactivation
When number is not 0, continues executing with and send with the thing of described SPS G-RNTI scrambling to described UE
The authorization message of the SPS reactivation carrying on reason down control channel PDCCH, until described
Till the mandate number of times to be sent of SPS reactivation is 0.
It should be noted that said system and said method are one-to-one relations, this enforcement
Example is not described in detail to the specific implementation details of said system.
Said system can be understood as arranging system in a base station.
In the description of the present invention, illustrate a large amount of details.It is to be appreciated, however, that this
Inventive embodiment can be put into practice in the case of not having these details.In some instances,
Known method, structure and technology are not been shown in detail, so as not to the fuzzy reason to this specification
Solution.
Finally it should be noted that：Various embodiments above only in order to technical scheme to be described,
It is not intended to limit；Although being described in detail to the present invention with reference to foregoing embodiments,
It will be understood by those within the art that：It still can be to described in foregoing embodiments
Technical scheme modify, or wherein some or all of technical characteristic is carried out with equivalent replacing
Change；And these modifications or replacement, do not make the essence of appropriate technical solution depart from the present invention each
The scope of embodiment technical scheme, it all should be covered in the claim of the present invention and description
In the middle of scope.
Claims (10)
1. in a kind of cluster multi call business semi-continuous scheduling reactivation method it is characterised in that
Including：
Receive user equipment (UE) because cell reselection, group-calling service set up after dynamic reorganization or
During the signaling message of semi-continuous scheduling SPS reactivation of group-calling service that the access that lags triggers, to
Media intervene the configured information that key-course MAC sends described SPS reactivation, described instruction letter
Breath includes mark G-RNTI or the semi-persistent scheduling mark SPS G-RNTI of described group-calling service；
Inquire about whether this group-calling service meets SPS according to described G-RNTI or SPS G-RNTI
Reactivation condition；
Meet SPS reactivation condition in described group-calling service and in next group-calling service
The moment of this group-calling service new data is sent on SPS resource, sends with described SPS to described UE
In the physical downlink control channel PDCCH of G-RNTI scrambling, the SPS reactivation of carrying awards
Power information.
2. method according to claim 1 is it is characterised in that described in described basis
G-RNTI or SPS G-RNTI inquires about whether this group-calling service meets SPS reactivation condition,
Including：
Inquire about whether described group-calling service is in half according to described G-RNTI or SPS G-RNTI
Continuous dispatching has activated and non-release conditions, if it is, meeting SPS reactivation condition；No
Then, execution receives the step that next group exhales message.
3. method according to claim 1 is it is characterised in that according to described G-RNTI
Or SPS G-RNTI inquires about after described group-calling service meets SPS reactivation condition, to described
Before UE sends the authorization message of SPS reactivation, methods described also includes：
The licensing status of described SPS reactivation are updated to TCCH signaling state to be sent,
And in resource allocation process when scheduled the TCCH signaling of described group-calling service, by this group
The licensing status exhaling business corresponding SPS reactivation are updated by TCCH signaling state to be sent
For the mandate state to be sent of SPS reactivation, and will be pending for the mandate of described SPS reactivation
The number of times sending state is updated to preset value.
4. method according to claim 3 is it is characterised in that described exhale at described group
Business meets SPS reactivation condition and transmission should in the SPS resource of next group-calling service
In the moment of group-calling service new data, send to described UE with described SPS G-RNTI scrambling
The authorization message of the SPS reactivation carrying in physical downlink control channel PDCCH, including：
When the Downlink Control Information DCI of the described UE carrying on described PDCCH is 1A,
Search the position of the corresponding search space of described group-calling service according to described G-RNTI, and be described
Group-calling service searches the PDCCH resource of idle condition；
In the PDCCH resource of the available free state of described group-calling service, by this idle condition pair
The PDCCH resource in the described PDCCH resource list of position is answered to be set to seizure condition；
The authorization message of described SPS reactivation is encapsulated in the PDCCH money of described seizure condition
On source, described group-calling service SPS reactivation licensing status be authorize state to be sent and
When the mandate number of times to be sent of described SPS reactivation is preset value, send to described UE with institute
The authorization message of the SPS reactivation carrying is stated on the PDCCH of SPS G-RNTI scrambling.
5. method according to claim 4 is it is characterised in that send in described UE
The authorization message of the SPS reactivation to carry on the PDCCH of described SPS G-RNTI scrambling
Afterwards, methods described also includes：
The licensing status of the SPS reactivation of described group-calling service are updated to normality, and will be described
The mandate number of times to be sent of SPS reactivation subtracts 1, and continues executing with to described UE transmission with institute
The step of the authorization message of SPS reactivation carrying is stated on the PDCCH of SPS G-RNTI scrambling
Suddenly, till the mandate number of times to be sent of described SPS reactivation is 0.
6. in a kind of cluster multi call business semi-continuous scheduling reactivation system it is characterised in that
Including：
First transmitting element, for exhaling industry because of cell reselection, group receiving user equipment (UE)
The semi-continuous scheduling SPS weight of dynamic reorganization or the group-calling service accessing triggering that lags after business foundation
During the signaling message of activation, intervene key-course MAC to media and send described SPS reactivation
Configured information, described configured information includes mark G-RNTI of described group-calling service or semi-static
Scheduling identification SPS G-RNTI；
First query unit, for inquiring about this group according to described G-RNTI or SPS G-RNTI
Exhale whether business meets SPS reactivation condition；
Second transmitting element, for described group-calling service meet SPS reactivation condition and under
Is sent on the SPS resource of one group-calling service, to described the moment of this group-calling service new data
UE sends and holds with the physical downlink control channel PDCCH of described SPS G-RNTI scrambling
The authorization message of the SPS reactivation carrying.
7. system according to claim 6 is it is characterised in that described first cargo tracer
Unit, is used for：
Inquire about whether described group-calling service is in half according to described G-RNTI or SPS G-RNTI
Continuous dispatching has activated and non-release conditions, if it is, meeting SPS reactivation condition；No
Then, execution receives the step that next group exhales message.
8. system according to claim 6 is it is characterised in that described system also includes：
First state updating block, in described first query unit according to described G-RNTI
Or after the SPS G-RNTI described group-calling service of inquiry meets SPS reactivation condition, will be described
The licensing status of SPS reactivation are updated to TCCH signaling state to be sent, and in resource allocation
During when scheduled the TCCH signaling of described group-calling service, by described group-calling service correspond to
The licensing status of SPS reactivation SPS be updated to by TCCH signaling state to be sent swash again
The mandate state to be sent lived, and the number of times by the mandate state to be sent of described SPS reactivation
It is updated to preset value.
9. system according to claim 8 is it is characterised in that described second sends list
Unit, is used for：
When the Downlink Control Information DCI of the described UE carrying on described PDCCH is 1A,
Search the position of the corresponding search space of described group-calling service according to described G-RNTI, and be described
Group-calling service searches the PDCCH resource of idle condition；
In the PDCCH resource of the available free state of described group-calling service, by this idle condition pair
The PDCCH resource in the described PDCCH resource list of position is answered to be set to seizure condition；
The authorization message of described SPS reactivation is encapsulated in the PDCCH money of described seizure condition
On source, described group-calling service SPS reactivation licensing status be authorize state to be sent and
When the mandate number of times to be sent of described SPS reactivation is preset value, send to described UE with institute
The authorization message of the SPS reactivation carrying is stated on the PDCCH of SPS G-RNTI scrambling.
10. system according to claim 9 is it is characterised in that described system also includes
Second state updating unit；
Described second state updating unit, for sending in described UE with described SPS G-RNTI
After the authorization message of SPS reactivation carrying on the PDCCH of scrambling, described group is exhaled industry
The licensing status of the SPS reactivation of business are updated to normality, and awarding described SPS reactivation
Weigh number of times to be sent and subtract 1；
Described second transmitting element, is not 0 for the mandate number of times to be sent in SPS reactivation
When, continue executing with and send with the PDCCH of described SPS G-RNTI scrambling to described UE
The authorization message of the SPS reactivation carrying, until the mandate of described SPS reactivation is to be sent
Till number of times is 0.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510502059.5A CN106470399B (en) | 2015-08-14 | 2015-08-14 | The method and system of semi-continuous scheduling reactivation in cluster multi call business |
| PCT/CN2016/091887 WO2017028661A1 (en) | 2015-08-14 | 2016-07-27 | Method and system for reactivating semi-persistent scheduling in cluster group call service |
Applications Claiming Priority (1)
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| CN201510502059.5A CN106470399B (en) | 2015-08-14 | 2015-08-14 | The method and system of semi-continuous scheduling reactivation in cluster multi call business |
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| CN106470399B CN106470399B (en) | 2019-08-23 |
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| Publication number | Publication date |
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| CN106470399B (en) | 2019-08-23 |
| WO2017028661A1 (en) | 2017-02-23 |
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