CN103108384A - Method of obtaining dispatching information and control method and device of obtaining dispatching information - Google Patents
Method of obtaining dispatching information and control method and device of obtaining dispatching information Download PDFInfo
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- CN103108384A CN103108384A CN2011103524857A CN201110352485A CN103108384A CN 103108384 A CN103108384 A CN 103108384A CN 2011103524857 A CN2011103524857 A CN 2011103524857A CN 201110352485 A CN201110352485 A CN 201110352485A CN 103108384 A CN103108384 A CN 103108384A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a method of obtaining dispatching information and a control method and a device of obtaining the dispatching information and relates to the field of communication. The method of obtaining the dispatching information and the control method and the device of obtaining the dispatching information are used for effectively reducing average power consumption of a user device. The method of obtaining dispatching information comprises that a blind detection mode adopted is determined; blind detection in a public searching space is performed by adoption of the blind detection mode to obtain the dispatching information; and the blind detection in the public searching space by adoption of the blind detection mode comprises that when the blind detection mode is a normal mode, the blind detection in the public searching space is respectively performed to a plurality of to-be-detected subframes; and when the blind detection mode is a power saving mode, the blind detection in the public searching space is only performed to the specific subframes of the plurality of to-be-detected subframes. The method of obtaining the dispatching information and the control method and the device of obtaining the dispatching information can be used for long-term evolution communication.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method of schedule information, the control method of obtaining schedule information and device of obtaining.
Background technology
In LTE (long term evolution, Long Term Evolution) communication system, a plurality of UE (user equipment, subscriber equipment) in residential quarter are according to the running time-frequency resource of the scheduling kineplex system of base station.These schedule informations are stored in PDCCH (physical downlink control channel, Physical Downlink Control Channel).PDCCH generally is positioned at front 1～3 OFDM (Orthogonal Frequency Division Multiplexing of each subframe, OFDM) in symbol, be used to indicate PDSCH (the Physical Downlink Share Channel of each UE in current subframe, Physical Downlink Shared Channel) resource allocation information of the assignment information of resource or PUSCH (Physical Uplink Share Channel, Physical Uplink Shared Channel).UE can obtain the running time-frequency resource information that base station assigns is given this UE by blind Detecting PDCCH, namely obtains schedule information, then according to the resource allocation information of PDSCH or PUSCH, in the transmitting-receiving of the enterprising row data of the resource of these distribution.
In prior art, DSS (the Dedicated Search Space that both may be present in UE due to PDCCH, the dedicated search space), the CSS (Common Search Space, public search space) that also may be present in each UE is for obtaining schedule information, UE need to carry out the blind Detecting of DSS and the blind Detecting of CSS to each subframe, therefore, the amount of calculation of UE is very large, and average power consumption is very high.
Summary of the invention
The embodiment of the present invention provides a kind of method of schedule information, the control method of obtaining schedule information and device of obtaining, and can effectively reduce the average power consumption of UE.
For achieving the above object, the invention provides following technical scheme:
On the one hand, the invention provides a kind of method of obtaining schedule information, comprising:
Definite blind Detecting pattern that adopts;
Adopt described blind Detecting pattern to carry out the blind Detecting of CSS to obtain schedule information;
The blind Detecting that the described blind Detecting pattern of described employing is carried out CSS comprises:
When described blind Detecting pattern is normal mode, a plurality of subframes to be detected are all carried out the blind Detecting of CSS;
When described blind Detecting pattern is battery saving mode, only specific subframe in a plurality of subframes to be detected is carried out the blind Detecting of CSS.
On the other hand, the invention provides a kind of control method of obtaining schedule information, comprising:
Determine the blind Detecting pattern that UE adopts;
According to described blind Detecting pattern, send blind Detecting pattern configurations message to described UE, described blind Detecting pattern configurations message is used to indicate described blind Detecting pattern;
Wherein, when the blind Detecting pattern was normal mode, described UE all carried out the blind Detecting of CSS to a plurality of subframes to be detected; When the blind Detecting pattern was battery saving mode, described UE only carried out the blind Detecting of CSS to specific subframe in a plurality of subframes to be detected.
On the other hand, the embodiment of the present invention provides a kind of UE, comprising:
Determining unit is used for definite blind Detecting pattern that adopts;
The blind Detecting unit, the blind Detecting pattern that is used for adopting described determining unit to determine is carried out the blind Detecting of CSS to obtain schedule information;
Described blind Detecting unit is used for:
When the definite blind Detecting pattern of described determining unit is normal mode, a plurality of subframes to be detected are all carried out the blind Detecting of CSS;
When the definite blind Detecting pattern of described determining unit is battery saving mode, only specific subframe in a plurality of subframes to be detected is carried out the blind Detecting of CSS.
On the other hand, the embodiment of the present invention provides a kind of base station, comprising:
Dispensing unit is used for the blind Detecting pattern of determining that UE adopts;
The second transmitting element is used for according to described blind Detecting pattern, sends blind Detecting pattern configurations message to described UE, and described blind Detecting pattern configurations message is used to indicate described blind Detecting pattern;
Wherein, when the blind Detecting pattern was normal mode, described UE all carried out the blind Detecting of CSS to a plurality of subframes to be detected; When the blind Detecting pattern was battery saving mode, described UE only carried out the blind Detecting of CSS to specific subframe in a plurality of subframes to be detected.
After adopting technique scheme, the method of obtaining schedule information that the embodiment of the present invention provides and the control method, UE and the base station that obtain schedule information, can adopt different mode to carry out the blind Detecting of CSS, when adopting the blind Detecting of normal mode, each subframe is all carried out the blind Detecting of CSS, when adopting battery saving mode, only specific subframe is carried out the blind Detecting of CSS.Like this, UE does not just need each subframe to be carried out the blind Detecting of CSS always, has effectively reduced the average blind Detecting number of times of UE, effectively reduces the average power consumption of UE.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of flow chart of the method for obtaining schedule information that Fig. 1 provides for the embodiment of the present invention;
A kind of flow chart of the control method of obtaining schedule information that Fig. 2 provides for the embodiment of the present invention;
The embodiment of the present invention method of obtaining schedule information that provides and a kind of detail flowchart that obtains the control method of schedule information are provided Fig. 3;
A kind of structural representation of the UE that Fig. 4 provides for the embodiment of the present invention;
The another kind of structural representation of the UE that Fig. 5 provides for the embodiment of the present invention;
The another kind of structural representation of the UE that Fig. 6 provides for the embodiment of the present invention;
A kind of structural representation of the base station that Fig. 7 provides for the embodiment of the present invention;
The another kind of structural representation of the base station that Fig. 8 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, embodiments of the invention provide a kind of method of obtaining schedule information, based on UE, comprise the steps:
S11 determines the blind Detecting pattern that adopts;
S12 adopts described blind Detecting pattern to carry out the blind Detecting of CSS to obtain schedule information; When described blind Detecting pattern is normal mode, a plurality of subframes to be detected are all carried out the blind Detecting of CSS; When described blind Detecting pattern is battery saving mode, only specific subframe in a plurality of subframes to be detected is carried out the blind Detecting of CSS.
After adopting technique scheme, the method of obtaining schedule information that the embodiment of the present invention provides, can adopt according to the difference of application scenarios the blind Detecting of different mode to carry out the blind Detecting of CSS, when adopting the blind Detecting of normal mode, each subframe is all carried out the blind Detecting of CSS, when adopting battery saving mode, only specific subframe is carried out the blind Detecting of CSS.Like this, UE does not just need each subframe to be carried out the blind Detecting of CSS always, has effectively reduced the average blind Detecting number of times of UE, effectively reduces the average power consumption of UE.
Need to prove, UE need to carry out DSS and CSS blind Detecting to subframe for the schedule information of obtaining the base station and sending, and in the embodiment of the present invention, the mode of the blind Detecting that DSS is carried out is not done restriction, can be same as the prior art, repeat no more herein.
And the blind Detecting of in the method for obtaining schedule information that the embodiment of the present invention provides, subframe being carried out CSS comprises two kinds of patterns, i.e. normal mode and battery saving mode.Described normal mode refers to that UE when carrying out the blind Detecting of DSS, always carries out the blind Detecting of CSS; The blind pattern of described power saving refers to UE when carrying out the blind Detecting of DSS, optionally in the blind Detecting of specific subframe execution to CSS.
Optionally, in step S11, can preset the blind Detecting pattern of an acquiescence in UE, UE can preset definite blind Detecting pattern that adopts according to this.For example in one embodiment of the invention, UE knows that by the parameter setting of inquiring about self the blind Detecting pattern of the acquiescence that this UE sets in advance is normal mode, and UE presets according to this and with normal mode, subframe carried out the blind Detecting of CSS.
Optionally, UE also can receive the blind Detecting pattern configurations message that the base station sends, and the blind Detecting pattern that adopt definite according to described blind Detecting pattern configurations message.For example, in another embodiment of the present invention, UE receives the blind Detecting pattern configurations message that the base station sends, this blind Detecting pattern configurations message indication UE adopts battery saving mode to carry out blind Detecting to CSS, and UE carries out the blind Detecting of CSS according to this blind Detecting pattern configurations message to subframe with battery saving mode.
Need to prove, in the embodiment of the present invention, the blind Detecting pattern configurations message that UE receives is the concept of a broad sense, and its concrete form can have multiple, can be both the system message of UE reception, can be also the base station of UE reception and the specific messages between this UE.
Wherein, when blind Detecting pattern configurations message was specific messages between base station and UE, the concrete form of this specific messages also can have multiple.For example, in one embodiment of the invention, when UE need to carry out transfer of data with the base station, at first UE needs to set up RRC (Radio Resource Control with the base station, Radio Resource is controlled) connect, blind Detecting pattern configurations message can be carried on RRC and connects to set up in message and received by UE.Perhaps, when the blind Detecting pattern need to reconfigure, blind Detecting pattern configurations message also can be carried in RRC connection reconfiguration message and be received by UE.Certainly, blind Detecting pattern configurations message can be also that the base station sends to one of UE to be specifically designed to the message that indicates to obtain the blind Detecting pattern of schedule information for UE, this message can be a RRC message, MAC (Medium Access Control, the media access control) message, can be a physical layer signaling, the embodiment of the present invention limit this yet.
Concrete, under the blind Detecting of normal mode, a plurality of subframes to be detected are all carried out the blind Detecting of CSS, can comprise to each subframe under continuous accepting state all carry out the blind Detecting of CSS or DRX (Discontinuous Reception, discontinuous reception) in the cycle each subframe in activationary time all carry out the blind Detecting of CSS.
Need to prove, described continuous reception refers to that UE monitors PDCCH always; Described DRX refers to that UE monitors PDCCH always continuously, monitors PDCCH but suspend within a period of time.Optionally, DRX can be periodic, by the cycle of eNB (evolved Node Base, evolved base station) for the discontinuous monitoring of UE configuration PDCCH.This cycle specifically can comprise activationary time and inactive time.In the activationary time of DRX cycle, UE need to carry out in each subframe the blind Detecting of PDCCH, and within the inactive time of DRX cycle, UE can not carry out blind Detecting to the PDCCH channel.In communicating by letter between the UE that the embodiment of the present invention relates to and base station, UE both can receive in the mode of continuous reception the information that the base station sends, the information that also can send with the reception base station of DRX or alternate manner, and the embodiment of the present invention does not limit this.
And under battery saving mode, the embodiment of the present invention is the whether appearance in CSS according to the schedule information of UE, can be different for different subframes, according to specific rule, can select to carry out or do not carry out the blind Detecting of CSS to different subframes, or carry out different CSS blind Detecting, namely selectively only specific subframe in a plurality of subframes to be detected is carried out the blind Detecting of CSS.
For example, in one embodiment of the invention, UE can determine whether to carry out random access procedure; If necessary, UE can be at the receiver window of the accidental access response message of random access procedure in the time, use RA-RNTI (Random Access-Radio Network Temporary Identity, the random access radio network temporary mark) PDCCH is carried out the blind Detecting of CSS, to obtain the schedule information of described accidental access response message; If do not need, UE does not carry out the CSS blind Detecting to this subframe.So just can reduce UE to the average blind Detecting number of times of subframe, reduce to a certain extent the average power consumption of UE.
Optionally, in another embodiment of the present invention, UE can according to whether the needs re-transmission of carrying out the message 3 of random access procedure determine whether that needs use interim C-RNTI (Cell-RNTI, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI) before successfully being transferred to eNB, random accessing message 3 carries out the blind Detecting of CSS, with the schedule information of the re-transmission resource of obtaining accidental access response message 3 from PDCCH.
Optionally, in another embodiment of the present invention, UE can also use P-RNTI (Paging-RNTI according to the needs that the identifier calculation of oneself is determined, the time of pager wireless net network temporary mark) obtaining the schedule information of beep-page message, blind Detecting CSS space within the time that calculates is to obtain the schedule information of beep-page message from PDCCH;
Optionally, in another embodiment of the present invention, UE also can be according to whether needs receiving system information determines to use SI-RNTI (System Information-RNTI, the system information Radio Network Temporary Identifier) obtain the time of the schedule information of system information, blind Detecting CSS space in the needs of determining obtain time of schedule information of system information is to obtain the schedule information of beep-page message from PDCCH.
In addition, when UE need to send data to the base station, it was also to need to determine by the power contorl parameters in schedule information that UE need to adopt great power to send data to the base station.UE can know in advance that self need to send to the base station the concrete moment of data, and in the blind Detecting shift time before this moment, specific subframe is carried out the power contorl parameters information of blind Detecting when sending data to obtain UE to described base station, send the power of data to the base station thereby control UE.And except described blind Detecting shift time At All Other Times in, UE does not carry out blind Detecting to other subframes beyond described specific subframe, so also can reduce the average blind Detecting number of times of UE, effectively reduces the average power consumption of UE.Wherein, the blind Detecting shift time can be the minimum transfer time interval of zero or UE usually.
Concrete, in the transfer of data that carry out UE and base station, a lot of data are periodicity upstream datas, as SPS (semi-persistence scheduling, semi-persistent scheduling) data, SRS (Sounding Reference signaling visits logical reference signal) and CSI (Channel State Information, channel condition information).And UE and base station are all also clear and definite as the transmit leg of data or recipient to delivery time or cycle of this periodicity upstream data, and therefore, UE can determine the periodically delivery time of upstream data with this.
Concrete, described blind Detecting shift time refers to that UE sends a period of time before data to the base station, and its duration is less than the data transmitting period of above-mentioned periodicity upstream data.UE not only can determine described blind Detecting shift time, and carries out the blind Detecting of CSS in can the blind Detecting shift time before the delivery time of this periodicity upstream data, to obtain power contorl parameters information.
Illustrate, in one embodiment of the invention, the data transfer cycle of SPS data is 20ms, and namely UE is at moment 5ms, 25ms, 45ms ... to base-station transmission SPS data.In order to make UE obtain the base station for the schedule information of data transmission procedure with less average power consumption, preferably, UE does not carry out the blind Detecting of CSS to each subframe, and only in the blind Detecting shift time before this data transfer cycle arrives, specific subframe is carried out blind Detecting.For example, UE can in the described blind Detecting shift time before the moment of described base station transmission data, in 1ms, carry out the blind Detecting of CSS to subframe.That is, UE is at 4ms to 5ms, 24ms to 25ms, 44ms to 45ms ... interior blind Detecting of subframe being carried out CSS.
Need to prove, although above-described embodiment describes as an example of the periodicity upstream data example, but for acyclic upstream data, UE also can be known concrete delivery time and the corresponding blind Detecting shift time of this upstream data by alternate manner, and the present invention does not limit this.
In another embodiment of the present invention, described blind Detecting shift time can also be the nearest corresponding time of at least one descending sub frame of the described delivery time of distance before described periodicity upstream data delivery time, the nearest corresponding time of at least one descending sub frame of the described delivery time of distance that UE can also be before described periodicity upstream data delivery time, carry out DCI (Downlink Control Information at CSS, Downlink Control Information) blind Detecting of form 3/3A is to obtain power Control and Schedule information.For example, known its of UE need to send the moment of data to the base station, as the delivery time of upstream data, it is the 5th subframe, UE can be in the 4th subframe, namely the nearest descending sub frame of the described delivery time of distance, carry out the blind Detecting of DCI form 3/3A at CSS, to obtain power Control and Schedule information.Certainly, UE also can be in the 3rd subframe and the 4th subframe, namely nearest two descending sub frames of the described delivery time of distance, carry out the blind Detecting of DCI form 3/3A at CSS, to obtain power Control and Schedule information.
Optionally, UE can determine described blind Detecting shift time according to presetting, and also can determine described blind Detecting shift time according to the notice of base station.Wherein, the notice of base station comprises the broadcast of base station or the dedicated signaling of base station and UE.
When UE was known described blind Detecting shift time according to the dedicated signaling of base station, described blind Detecting shift time can be carried in other dedicated signaling and be received by UE.For example, optional, can increase blind Detecting shift time parameter in the configuration information of original SPS data or SRS or CSI, UE can be known described blind Detecting shift time by the configuration information that receives SPS data or SRS or CSI.Perhaps, in one embodiment of the invention, UE also can be known described blind Detecting shift time by the configuration information that receives the PUSCH TPC-RNTI (Transmit Power Control RNTI, transmission power control-Radio Network Temporary Identifier) that the base station sends.Optionally, in another embodiment of the present invention, UE can also be known described blind Detecting shift time by the configuration information that receives PUCCH (Physical Uplink Control Channel, the Physical Uplink Shared Channel) TPC-RNTI that the base station sends.Certainly, the blind Detecting shift time also can send to UE by the base station with the form of a special message, and the present invention is not restricted this.
Further, can change the blind Detecting pattern in order to make UE, after step S12, the method for obtaining schedule information provided by the invention also comprises:
Receive the blind Detecting pattern reconfiguration message that the base station sends;
According to the blind Detecting pattern reconfiguration message of described reception, the blind Detecting pattern after determining to reshuffle;
Carry out the blind Detecting of CSS to obtain schedule information according to the blind Detecting pattern after described reshuffling.
Like this, UE just can be after having determined the blind Detecting pattern, switch according to the blind Detecting pattern reconfiguration message that the base station sends the blind Detecting pattern that adopts, reach the purpose that can adopt more flexibly current optimal blind Detecting pattern, when not needing each subframe is carried out the CSS blind Detecting, can adopt battery saving mode specific subframe to be carried out the blind Detecting of CSS, thereby to a certain extent, reduce the average power consumption of UE.
Optionally, before the blind Detecting pattern reconfiguration message that receives the base station transmission, UE can also send to the base station blind Detecting pattern handover request, so that reshuffling of blind Detecting pattern carried out according to described blind Detecting pattern handover request in described base station.
Optionally, UE can also send to the base station battery electric quantity information, so that reshuffling of blind Detecting pattern carried out according to described battery electric quantity information in described base station.
For example, in one embodiment of the invention, when UE determined its battery electric quantity lower than a predefined threshold value, UE just sent blind Detecting pattern handover request to the base station, so that the base station can generate according to the blind Detecting pattern handover request that UE sends blind Detecting pattern configurations message.Certainly, UE can also be directly sends to the base station with self battery electric quantity information, so that the base station can determine whether according to the battery electric quantity information of UE the blind Detecting pattern of UE is switched to power saving blind Detecting pattern.Particularly, UE can send at interval of official hour the information about power of self to the base station, also can during lower than certain threshold value, send the information about power of self to the base station at the battery electric quantity of UE, in the time of can also setting up RRC in UE and base station and be connected to the information about power of base station transmission UE self.The present invention does not limit this.
Accordingly, as shown in Figure 2, the embodiment of the present invention also provides a kind of control method of obtaining schedule information, based on the base station, specifically comprises the steps:
S21 determines the blind Detecting pattern that UE adopts;
S22 according to described blind Detecting pattern, sends blind Detecting pattern configurations message to described UE, and described blind Detecting pattern configurations message is used to indicate described blind Detecting pattern.
Wherein, when the blind Detecting pattern was normal mode, described UE all carried out the blind Detecting of CSS to a plurality of subframes to be detected; When the blind Detecting pattern was battery saving mode, described UE only carried out the blind Detecting of CSS to specific subframe in a plurality of subframes to be detected.
After adopting technique scheme, the control method of obtaining schedule information that the embodiment of the present invention provides can indicate UE to adopt the blind Detecting of different mode to carry out the blind Detecting of CSS according to the difference of application scenarios.When UE need to carry out blind Detecting to each subframe, indication UE adopted normal mode to carry out the CSS blind Detecting; When UE need not each subframe is carried out blind Detecting, indication UE adopted battery saving mode, namely according to specific rule, only specific subframe was carried out the blind Detecting of CSS, effectively to obtain the required schedule information of UE.Like this, just can make UE not need each subframe to be carried out the blind Detecting of CSS always, therefore effectively reduce the average blind Detecting number of times of UE for subframe, effectively reduce the average power consumption of UE.
Concrete, the described blind Detecting that each subframe is all carried out CSS can comprise all carries out blind Detecting to each subframe in activationary time in each subframe of continuous reception or discontinuous receiving cycle.
Need to prove, the base station changes to data volume and the transmission frequency that UE sends schedule information, when the base station will to UE send the data volume of schedule information large, when transmission frequency is high, can not in time send because the PDCCH finite capacity just may make this schedule information, namely produce the obstruction of PDCCH channel.The blind Detecting pattern that UE adopts can be determined according to the PDCCH blocking probability in the base station.when the PDCCH blocking probability during higher than predefined threshold value, it is just higher that the schedule information of UE need to be deposited in the probability that sends to UE in CSS in the base station, at this moment, the blind Detecting pattern that UE adopts is determined in the base station, and all UE or part UE in the residential quarter of indication base station service carry out blind Detecting with normal mode to subframe, when the PDCCH blocking probability during less than or equal to predefined threshold value, it is just lower that the base station need to be put in the schedule information of UE the probability that sends to UE in CSS, at this moment, the blind Detecting pattern that UE adopts is determined in the base station, all UE or part UE in the residential quarter of indication base station service carry out the CSS blind Detecting with battery saving mode to subframe, simultaneously, UE for the definite blind Detecting pattern that can use power saving in base station, the base station will can not be placed on the schedule information of this part UE in CSS and send, thereby when guaranteeing that UE correctly obtains schedule information, effectively reduced the average blind Detecting number of times of UE, effectively reduce the average power consumption of UE.
Optionally, the quantity of the UE that activates in can also the residential quarter according to base station service of base station is determined the blind Detecting pattern that UE adopts.When the quantity of the UE that activates in the residential quarter of base station service during greater than predefined threshold value, the probability that the base station need to be placed on the schedule information of UE the CSS transmission is just higher, at this moment, the blind Detecting pattern that UE adopts is determined in the base station, and all UE or part UE in the residential quarter of indication base station service carry out blind Detecting with normal mode to subframe; When the quantity of the UE that activates in the residential quarter of base station service is less than or equal to predefined threshold value, the probability that the base station need to be placed on the schedule information of UE the CSS transmission is just lower, at this moment, the blind Detecting pattern that UE adopts is determined in the base station, all UE or part UE in the residential quarter of indication base station service carry out blind Detecting with battery saving mode to subframe, thereby effectively reduced the average blind Detecting number of times of UE for subframe, effectively reduced the average power consumption of UE.
Concrete, in one embodiment of the invention, base station indication UE sends power contorl parameters information from data to the base station also sends to UE by PDCCH.The base station can send blind Detecting shift time notification message to described UE, so that described UE determines the blind Detecting shift time according to described blind Detecting shift time notification message.
Optionally, the base station can send blind Detecting shift time notification message to described UE by broadcast or dedicated signaling, sends the power contorl parameters information of data to described base station so that obtain described UE in the described blind Detecting shift time of described UE before sending data to described base station.
Further, after step S22, the control method of obtaining schedule information that the embodiment of the present invention provides also comprises:
Send blind Detecting pattern reconfiguration message to described UE, so that described UE adopts the blind Detecting pattern of reshuffling, obtain schedule information.
Like this, the base station can change according to the current intelligence of the UE in Serving cell, and the blind Detecting pattern reconfiguration message that sends to UE reaches the purpose that can adopt more flexibly current optimal blind Detecting pattern so that UE switches the blind Detecting pattern that adopts.Particularly when not needing each subframe is carried out the CSS blind Detecting, can indicate UE to adopt battery saving mode specific subframe to be carried out the blind Detecting of CSS, thereby to a certain extent, reduce the average power consumption of UE.
Optionally, before sending blind Detecting pattern reconfiguration message to described UE, the base station can receive the blind Detecting pattern handover request that described UE sends; According to described blind Detecting pattern handover request, determine the blind Detecting pattern that described UE adopts is reshuffled.
Optionally, the base station can also receive that described UE is that send, battery electric quantity information described UE; According to the battery electric quantity information of described UE, determine the blind Detecting pattern that described UE adopts is reshuffled.
For example, in one embodiment of the invention, when UE sent the information about power of UE to the base station, this electric weight can be determined lower than predefined threshold value according to the information about power that UE sends in the base station whether, determined the blind Detecting pattern that described UE adopts is reshuffled.For example, if this electric weight lower than described predefined threshold value, the blind Detecting pattern that described UE is adopted is reshuffled, indication UE adopts battery saving mode to carry out the blind Detecting of CSS.
Below by specific embodiment, the method for obtaining schedule information provided by the invention is elaborated with the control method of obtaining schedule information.
The detail flowchart of the method for obtaining schedule information that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, comprise the steps:
101.UE according to presetting, with normal mode, subframe is carried out the blind Detecting of CSS;
102.UE determine the electric weight of self lower than predefined threshold value, send blind Detecting pattern handover request to the base station;
103. the base station sends blind Detecting pattern reconfiguration message to UE, indication UE adopts battery saving mode to carry out blind Detecting to CSS;
104.UE receive blind Detecting pattern configurations message, and determine with battery saving mode, CSS to be carried out blind Detecting;
105.UE determine self need to send to the base station the concrete moment of data and determine the blind Detecting shift time corresponding with this moment by presetting;
106.UE use PUSCH TPC-RNTI to carry out blind Detecting to CSS in the blind Detecting shift time before the moment that sends data to the base station, send the power control information of data to described base station to obtain described UE.
107.UE the indication according to power control information sends data to the base station.
After adopting technique scheme, the method of obtaining schedule information that the embodiment of the present invention provides and the control method of obtaining schedule information, can adopt according to the difference of application scenarios the blind Detecting of different mode to carry out the blind Detecting of CSS, when adopting the blind Detecting of normal mode, each subframe is all carried out the blind Detecting of CSS, when adopting battery saving mode, only specific subframe is carried out the blind Detecting of CSS.Like this, UE does not just need each subframe to be carried out the blind Detecting of CSS always, has therefore effectively reduced the average blind Detecting number of times of UE for subframe, effectively reduces the average power consumption of UE.
Corresponding with preceding method, as shown in Figure 4, the embodiment of the present invention also provides a kind of UE1, comprising:
Determining unit 11 is used for definite blind Detecting pattern that adopts;
Blind Detecting unit 12, the blind Detecting pattern that is used for adopting determining unit 11 to determine is carried out the blind Detecting of CSS to obtain schedule information;
When determining unit 11 definite blind Detecting patterns are normal mode, a plurality of subframes to be detected are all carried out the blind Detecting of CSS;
When determining unit 11 definite blind Detecting patterns are battery saving mode, only specific subframe in a plurality of subframes to be detected is carried out the blind Detecting of CSS.
After adopting technique scheme, the UE1 that the embodiment of the present invention provides, can adopt according to the difference of application scenarios the blind Detecting of different mode to carry out the blind Detecting of CSS, when adopting the blind Detecting of normal mode, each subframe is all carried out the blind Detecting of CSS, when adopting battery saving mode, only specific subframe is carried out the blind Detecting of CSS.Like this, UE1 does not just need each subframe to be carried out the blind Detecting of CSS always, has therefore effectively reduced the average blind Detecting number of times of UE1 for subframe, effectively reduces the average power consumption of UE1.
Concrete, when determining unit 11 definite blind Detecting patterns were normal mode, blind Detecting unit 12 was concrete for each subframe under continuous accepting state or each subframe in the discontinuous receiving cycle activationary time are all carried out blind Detecting.
Optionally, determining unit 11 specifically can be used for: according to presetting, determine the blind Detecting pattern that adopts; Perhaps receive the blind Detecting pattern configurations message that is used to indicate described blind Detecting pattern that the base station sends; According to the blind Detecting pattern configurations message of described reception, determine the blind Detecting pattern that adopts.
Concrete, blind Detecting unit 12 comprises time determination module 121 and blind Detecting module 122.When determining unit 11 definite blind Detecting patterns were battery saving mode, time determination module 121 was used for determining periodically upstream data delivery time and blind Detecting shift time, and described periodicity upstream data comprises SPS data or SRS or CSI; Blind Detecting module 122 is used for the subframe in the described blind Detecting shift time before the described periodicity upstream data delivery time of determining at time determination module 121 is carried out the blind Detecting of CSS, to obtain power Control and Schedule information.
Optionally, time determination module 121 specifically is used for: according to presetting, determine described blind Detecting shift time; Perhaps according to the notice of base station, determine described blind Detecting shift time.
Optionally, blind Detecting unit 12 can also specifically be used for: to before described periodicity upstream data delivery time, distance at least one nearest descending sub frame of described delivery time, carry out the blind Detecting of DCI form 3/3A at CSS, to obtain power Control and Schedule information.
Further, as shown in Figure 5, the UE1 that the embodiment of the present invention provides also comprises:
The first receiving element 13 is used for receiving the blind Detecting pattern reconfiguration message that the base station sends;
At this moment, determining unit 11 also is used for the blind Detecting pattern reconfiguration message according to the first receiving element 13 receptions, the blind Detecting pattern after determining to reshuffle;
At this moment, blind Detecting unit 12, also be used for according to determining unit 11 determine reshuffle after the blind Detecting pattern carry out the blind Detecting of CSS to obtain schedule information.
Further, as shown in Figure 6, the UE1 that the embodiment of the present invention provides also comprises:
The first transmitting element 14 is used for sending blind Detecting pattern handover request to the base station, so that reshuffling of blind Detecting pattern carried out according to described blind Detecting pattern handover request in described base station; Optionally, also can be used for sending to described base station the battery electric quantity information of reshuffling that is used for carrying out the blind Detecting pattern, so that reshuffling of blind Detecting pattern carried out according to described battery electric quantity information in described base station.
Corresponding with preceding method, as shown in Figure 7, the embodiment of the present invention also provides a kind of base station 2, comprising:
Dispensing unit 21 is used for the blind Detecting pattern of determining that UE adopts;
The second transmitting element 22 is used for sending blind Detecting pattern configurations message according to the definite blind Detecting pattern of described dispensing unit 21 to described UE, and described blind Detecting pattern configurations message is used to indicate described blind Detecting pattern.
Wherein, when the blind Detecting pattern was normal mode, described UE all carried out the blind Detecting of CSS to a plurality of subframes to be detected; When the blind Detecting pattern was battery saving mode, described UE only carried out the blind Detecting of CSS to specific subframe in a plurality of subframes to be detected.
After adopting technique scheme, the base station 2 that the embodiment of the present invention provides can indicate UE to adopt the blind Detecting of different mode to carry out the blind Detecting of CSS according to the difference of application scenarios.When UE need to carry out blind Detecting to each subframe, indication UE adopted normal mode to carry out the CSS blind Detecting; When UE need not each subframe is carried out blind Detecting, indication UE adopted battery saving mode, namely according to specific rule, only specific subframe was carried out the blind Detecting of CSS, effectively to obtain the required schedule information of UE.Like this, the base station 2 that the embodiment of the present invention provides just can indicate UE each subframe not to be carried out the blind Detecting of CSS, has therefore effectively reduced the average blind Detecting number of times of UE for subframe, effectively reduces the average power consumption of UE.
Further, the second transmitting element 22 also is used for sending blind Detecting shift time notification message to UE, and described blind Detecting shift time notification message is used for determining the blind Detecting shift time by described UE.
Further, the second transmitting element 22 also is used for sending blind Detecting pattern reconfiguration message to UE, the blind Detecting pattern after described blind Detecting pattern reconfiguration message is used for determining to reshuffle by described UE.
In addition, as shown in Figure 8, the base station 2 that the embodiment of the present invention provides also comprises the second receiving element 23, can be used for receiving the blind Detecting pattern handover request that described UE sends; At this moment, dispensing unit 21 also is used for the blind Detecting pattern handover request according to described the second receiving element 23 receptions, and the blind Detecting pattern that described UE adopts is reshuffled.
Optionally, the second receiving element 23 can be used for also receiving that UE is that send, battery electric quantity information described UE; At this moment, dispensing unit 21 also is used for the battery electric quantity information according to the described UE of the second receiving element 23 receptions, and the blind Detecting pattern that described UE adopts is reshuffled.
One of ordinary skill in the art will appreciate that: all or part of flow process that realizes said method embodiment can be completed by the hardware that computer program instructions is correlated with, aforesaid program can be stored in a computer read/write memory medium, this program is carried out the step that comprises said method embodiment 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.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (24)
1. a method of obtaining schedule information, is characterized in that, comprising:
Definite blind Detecting pattern that adopts;
Adopt described blind Detecting pattern to carry out the blind Detecting of public search space to obtain schedule information;
The blind Detecting that the described blind Detecting pattern of described employing is carried out public search space comprises:
When described blind Detecting pattern is normal mode, a plurality of subframes to be detected are all carried out the blind Detecting of public search space;
When described blind Detecting pattern is battery saving mode, only specific subframe in a plurality of subframes to be detected is carried out the blind Detecting of public search space.
2. method according to claim 1, is characterized in that, described definite blind Detecting pattern that adopts comprises:
According to presetting, determine the blind Detecting pattern that adopts;
Perhaps
Receive the blind Detecting pattern configurations message that is used to indicate described blind Detecting pattern that the base station sends;
According to described blind Detecting pattern configurations message, determine the blind Detecting pattern that adopts.
3. method according to claim 1, is characterized in that,
The described blind Detecting that a plurality of subframes to be detected are all carried out public search space comprises:
Each subframe under continuous accepting state is all carried out the blind Detecting of public search space, or
Each subframe in activationary time in discontinuous receiving cycle is all carried out the blind Detecting of public search space.
According to claim 1 to 3 described method, it is characterized in that,
Described the blind Detecting that specific subframe in a plurality of subframes to be detected is carried out public search space comprises:
Determine periodically upstream data delivery time and blind Detecting shift time, described periodicity upstream data comprises semi-static scheduling data or visits logical reference signal or channel condition information;
Subframe in described blind Detecting shift time before described periodicity upstream data delivery time is carried out the blind Detecting of public search space.
5. method according to claim 4, is characterized in that, described definite blind Detecting shift time comprises:
According to presetting, determine described blind Detecting shift time;
Perhaps
According to the notice of base station, determine described blind Detecting shift time.
6. method according to claim 4, is characterized in that,
Described blind Detecting shift time is the distance nearest corresponding time of at least one descending sub frame of described periodicity upstream data delivery time;
The described blind Detecting that subframe in described blind Detecting shift time before described periodicity upstream data delivery time is carried out public search space comprises:
Nearest at least one descending sub frame of the described periodicity upstream data of distance delivery time before described periodicity upstream data delivery time carries out the blind Detecting of descending control information format 3/3A in the corresponding time at public search space.
7. method according to claim 1, is characterized in that, the blind Detecting of carrying out public search space in the described blind Detecting pattern of described employing is with after obtaining schedule information, and described method also comprises:
Receive the blind Detecting pattern reconfiguration message that the base station sends;
According to the blind Detecting pattern reconfiguration message of described reception, the blind Detecting pattern after determining to reshuffle;
Carry out the blind Detecting of public search space to obtain schedule information according to the blind Detecting pattern after described reshuffling.
8. method according to claim 7, is characterized in that, before the blind Detecting pattern reconfiguration message of described reception base station transmission, described method also comprises:
Send blind Detecting pattern handover request to described base station, carry out reshuffling of blind Detecting pattern to ask described base station according to described blind Detecting pattern handover request;
And/or
Send the battery electric quantity information of reshuffling that is used for carrying out the blind Detecting pattern to described base station.
9. a control method of obtaining schedule information, is characterized in that, comprising:
Determine the blind Detecting pattern that subscriber equipment adopts;
According to described blind Detecting pattern, send blind Detecting pattern configurations message to described subscriber equipment, described blind Detecting pattern configurations message is used to indicate described blind Detecting pattern;
Wherein, when the blind Detecting pattern was normal mode, described subscriber equipment all carried out the blind Detecting of public search space to a plurality of subframes to be detected; When the blind Detecting pattern was battery saving mode, described subscriber equipment only carried out the blind Detecting of public search space to specific subframe in a plurality of subframes to be detected.
10. method according to claim 9, is characterized in that, described method also comprises:
Send blind Detecting shift time notification message to described subscriber equipment, described blind Detecting shift time notification message is used for determining the blind Detecting shift time by described subscriber equipment.
11. method according to claim 9 is characterized in that, according to described blind Detecting pattern, after sending blind Detecting pattern configurations message to described subscriber equipment, described method also comprises described:
Send blind Detecting pattern reconfiguration message to described subscriber equipment, the blind Detecting pattern after described blind Detecting pattern reconfiguration message is used for determining to reshuffle by described subscriber equipment.
12. method according to claim 11 is characterized in that, described before described subscriber equipment transmission blind Detecting pattern reconfiguration message, described method also comprises:
Receive the blind Detecting pattern handover request that described subscriber equipment sends;
According to described blind Detecting pattern handover request, the blind Detecting pattern that described subscriber equipment adopts is reshuffled;
And/or
Receive that described subscriber equipment is that send, battery electric quantity information described subscriber equipment;
According to the battery electric quantity information of described subscriber equipment, the blind Detecting pattern that described subscriber equipment adopts is reshuffled.
13. a subscriber equipment is characterized in that, comprising:
Determining unit is used for definite blind Detecting pattern that adopts;
The blind Detecting unit, the blind Detecting pattern that is used for adopting described determining unit to determine is carried out the blind Detecting of public search space to obtain schedule information;
Described blind Detecting unit is used for:
When the definite blind Detecting pattern of described determining unit is normal mode, a plurality of subframes to be detected are all carried out the blind Detecting of public search space;
When the definite blind Detecting pattern of described determining unit is battery saving mode, only specific subframe in a plurality of subframes to be detected is carried out the blind Detecting of public search space.
14. subscriber equipment according to claim 13 is characterized in that, described determining unit is used for:
According to presetting, determine the blind Detecting pattern that adopts; Perhaps
Receive the blind Detecting pattern configurations message that is used to indicate described blind Detecting pattern that the base station sends;
According to the blind Detecting pattern configurations message of described reception, determine the blind Detecting pattern that adopts.
15. subscriber equipment according to claim 14 is characterized in that,
The blind Detecting pattern that described determining unit is determined is normal mode,
Described blind Detecting unit is used for
Each subframe under continuous accepting state is all carried out the blind Detecting of public search space, or
Each subframe in activationary time in discontinuous receiving cycle is all carried out the blind Detecting of public search space.
16. according to claim 13-15 described subscriber equipmenies is characterized in that,
The blind Detecting pattern that described determining unit is determined is battery saving mode;
Described blind Detecting unit comprises:
The time determination module is used for determining periodically upstream data delivery time and blind Detecting shift time, and described periodicity upstream data comprises semi-static scheduling data or visits logical reference signal or channel condition information;
The blind Detecting module is for the subframe in the described blind Detecting shift time before described periodicity upstream data delivery time being carried out the blind Detecting of public search space.
17. subscriber equipment according to claim 16 is characterized in that, described time determination module is used for:
According to presetting, determine described blind Detecting shift time;
Perhaps
According to the notice of base station, determine described blind Detecting shift time.
18. subscriber equipment according to claim 16 is characterized in that,
Described blind Detecting module is used for:
Nearest at least one descending sub frame of the described periodicity upstream data of distance delivery time before described periodicity upstream data delivery time carries out the blind Detecting of descending control information format 3/3A in the corresponding time at public search space.
19. subscriber equipment according to claim 13 is characterized in that,
Also comprise the first receiving element, be used for receiving the blind Detecting pattern reconfiguration message that the base station sends;
Described determining unit also is used for the blind Detecting pattern reconfiguration message according to described the first receiving element reception, the blind Detecting pattern after determining to reshuffle;
Described blind Detecting unit, also be used for according to described determining unit determine reshuffle after the blind Detecting pattern carry out the blind Detecting of public search space to obtain schedule information.
20. subscriber equipment according to claim 19 is characterized in that, also comprises:
The first transmitting element is used for sending blind Detecting pattern handover request to described base station, carries out reshuffling of blind Detecting pattern to ask described base station according to described blind Detecting pattern handover request;
And/or
Send the battery electric quantity information of reshuffling that is used for carrying out the blind Detecting pattern to described base station.
21. a base station is characterized in that, comprising:
Dispensing unit is used for the blind Detecting pattern of determining that subscriber equipment adopts;
The second transmitting element is used for the blind Detecting pattern definite according to described dispensing unit, sends blind Detecting pattern configurations message to described subscriber equipment, and described blind Detecting pattern configurations message is used to indicate described blind Detecting pattern;
Wherein, when the blind Detecting pattern was normal mode, described subscriber equipment all carried out the blind Detecting of public search space to a plurality of subframes to be detected; When the blind Detecting pattern was battery saving mode, described subscriber equipment only carried out the blind Detecting of public search space to specific subframe in a plurality of subframes to be detected.
22. base station according to claim 21, it is characterized in that, described the second transmitting element also is used for sending blind Detecting shift time notification message to described subscriber equipment, and described blind Detecting shift time notification message is used for determining the blind Detecting shift time by described subscriber equipment.
23. base station according to claim 21, it is characterized in that, described the second transmitting element also is used for sending blind Detecting pattern reconfiguration message to described subscriber equipment, the blind Detecting pattern after described blind Detecting pattern reconfiguration message is used for determining to reshuffle by described subscriber equipment.
24. base station according to claim 23 is characterized in that, also comprises the second receiving element,
Described the second receiving element is used for receiving the blind Detecting pattern handover request that described subscriber equipment sends;
Described dispensing unit also is used for the blind Detecting pattern handover request according to described the second receiving element reception, and the blind Detecting pattern that described subscriber equipment adopts is reshuffled;
And/or
Described subscriber equipment is that send, battery electric quantity information described subscriber equipment for receiving for described the second receiving element;
, battery electric quantity information subscriber equipment that receive according to described the second receiving element that described dispensing unit also is used for is reshuffled the blind Detecting pattern that described subscriber equipment adopts.
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