CN102340800B - Obtain the method for the information of DCI instruction, UE and base station - Google Patents
Obtain the method for the information of DCI instruction, UE and base station Download PDFInfo
- Publication number
- CN102340800B CN102340800B CN201010230587.7A CN201010230587A CN102340800B CN 102340800 B CN102340800 B CN 102340800B CN 201010230587 A CN201010230587 A CN 201010230587A CN 102340800 B CN102340800 B CN 102340800B
- Authority
- CN
- China
- Prior art keywords
- dci
- fid
- bit
- aperiodic
- srs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a kind of obtain DCI instruction the method for information, UE and base station.The method comprises the DCI receiving base station and send, and described DCI comprises format identification (FID) position and the first bit, and described first bit takies 1 bit, and described first bit is used for mark and whether triggers SRS aperiodic; According to described format identification (FID) position and the first bit, determine the information that described DCI indicates.The embodiment of the present invention can reduce overhead bit.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to the method for the information that a kind of acquisition Downlink Control Information (DownlinkControl Information, DCI) indicates, subscriber equipment (User Equipment, UE) and base station.
Background technology
In Long Term Evolution (Long Term Evolution, LTE) system, UE receives or before transmission business datum, needs to know that evolution base station (eNB) configuration is to the DCI of this UE.DCI is by Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH) carry, a PDCCH is by 1, 2, 4 or 8 continuous print control channel unit (Control ChannelElement, CCE) be polymerized, each corresponding search volume of polymerization rank, search volume be UE to be detected PDCCH set, search volume is divided into public search space (Common SearchSpace, and dedicated search space (Dedicated Search Space CSS), DSS), DSS is also referred to as user's dedicated search space (UE-Specific Search Space, USS).
DCI in LTE indicates four kinds of information: the schedule information of downlink data transmission, the schedule information of transmitting uplink data, uplink power control commands and some broadcast signalings.Correspondingly, there is multiple DCI format (DCI format), such as, comprise DCI format 0/1A/3/3A.Wherein, what DCI format0 indicated is the schedule information (UL grant) of transmitting uplink data, the schedule information (DL grant) of downlink data transmission that what DCI format 1A showed is.
LTE system is in uplink, and UE needs transmission cycle interception reference signal (SoundingReference Signal, SRS), intercepts uplink channel status information, thus realize the function such as frequency selective scheduling, link circuit self-adapting for base station.At further enhancing (the LongTerm Evolution Advanced of long evolving system, LTE-A) in system, due to the demand of data rate, up needs supports multiple-input and multiple-output (Multi-Input Multi-Output, MIMO), SRS up aperiodic is thus needed to introduce.Aperiodic, SRS comprised band SRS interior aperiodic and band SRS outer aperiodic, when the subframe at SRS resource place has user data transmission, SRS and Physical Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH) together send, be called band SRS interior aperiodic, when the subframe at SRS resource place does not have user data transmission, be called band SRS outer aperiodic.
In prior art, in order in tenaculum aperiodic SRS and band SRS outer aperiodic, need in DCI format 0, increase by 2 bits (bit), to be respectively used to trigger in band SRS and be with SRS outer aperiodic aperiodic.
Realizing in process of the present invention, inventor finds that in prior art, at least there are the following problems: in order to not increase the blind Detecting number of times of UE to PDCCH, DCI format 1A should be consistent with the length (size) of DCI format 0, therefore, in these cases, DCI format 1A also needs increase by 2 bit, causes physical layer signaling expense larger.
Summary of the invention
The embodiment of the present invention be to provide a kind of obtain DCI instruction the method for information, UE and base station, in order in index strip SRS outer aperiodic and band during SRS aperiodic, minimizing physical layer signaling expense.
On the one hand, embodiments provide a kind of method obtaining the information of DCI instruction, comprising:
Receive the DCI that base station sends, described DCI comprises format identification (FID) position and the first bit, and described first bit takies 1 bit, and described first bit is used for mark and whether triggers SRS aperiodic;
According to described format identification (FID) position and the first bit, determine the information that described DCI indicates.
On the other hand, embodiments provide a kind of method obtaining the information of DCI instruction, comprising:
Generate DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, described first bit is used for mark and whether triggers interception reference signal SRS aperiodic, with the information utilizing described format identification (FID) position and the first bit to indicate described DCI to indicate to user equipment (UE);
Described DCI is sent to described UE.
On the one hand, embodiments provide a kind of UE, comprising:
Receiver module, for receiving the Downlink Control Information DCI that base station sends, described DCI comprises format identification (FID) position and the first bit, and described first bit takies 1 bit, and described first bit is used for mark and whether triggers interception reference signal SRS aperiodic;
Determination module, for according to described format identification (FID) position and the first bit, determines the information that described DCI indicates.
On the other hand, embodiments provide a kind of base station, comprising:
Generation module, for generating Downlink Control Information DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, described first bit is used for mark and whether triggers interception reference signal SRS aperiodic, with the information utilizing described format identification (FID) position and the first bit to indicate described DCI to indicate to user equipment (UE);
Sending module, for sending described DCI to described UE.
As shown from the above technical solution, the embodiment of the present invention is by characterizing the information type of DCI instruction with format identification (FID) position and the first bit, can when increasing at most the first bit of 1 bit, can in index strip SRS outer aperiodic and band aperiodic SRS, reduce the bit number needing to increase, reduce the signaling consumption of physical layer.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow schematic diagram of first embodiment of the invention;
Fig. 2 is the method flow schematic diagram of second embodiment of the invention;
Fig. 3 is the method flow schematic diagram of third embodiment of the invention;
The schematic diagram one that Fig. 4 (a) is the DCI in third embodiment of the invention;
The schematic diagram two that Fig. 4 (b) is the DCI in third embodiment of the invention;
The schematic diagram three that Fig. 4 (c) is the DCI in third embodiment of the invention;
The schematic diagram four that Fig. 4 (d) is the DCI in third embodiment of the invention;
Fig. 5 is the UE structural representation of fourth embodiment of the invention;
Fig. 6 is the architecture of base station schematic diagram of the fifth embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the method flow schematic diagram of first embodiment of the invention, comprising:
Step 11:UE receives DCI, and this DCI comprises format identification (FID) position and the first bit, and described first bit takies 1 bit, and described first bit is used for mark and whether triggers SRS aperiodic;
Wherein, the embodiment of the present invention improves for DCI format 0 and DCI format 1A, and this first bit can be the redundant digit in DCI format0/1A, or bit newly-increased in DCI format0/1A.Following embodiment will be newly-increased bit for this first bit, now can by this first bit called after trigger bit.Be understandable that, this name does not limit.This first bit is used for mark and whether triggers SRS aperiodic, such as, represents do not trigger SRS aperiodic with " 0 ", represents trigger SRS aperiodic with " 1 ".Certainly, the implication of " 0 ", " 1 " also can be exchanged.DCIformat 0 is identical with the figure place of DCI format 1A, in order to distinguish, both all comprise the format identification (FID) position (flag) of 1bit, so that the form indicating this DCI to adopt is DCI format 0, or DCI format1A, such as, be expressed as DCI format 0 with " 0 ", be expressed as DCI format 1A with " 1 ".
In the embodiment of the present invention in order to can in index strip aperiodic SRS and band SRS outer aperiodic, need a newly-increased bit in DCI, this newly-increased bit called after first bit, particularly, this newly-increased bit can be last position being positioned at the effective field of DCI, and wherein, " effective field " refers to the field before " redundant bit " (if there is), and before being positioned at cyclic redundancy check (CRC) (CyclicRedundancy Check, CRC) territory.
Step 12:UE, according to described format identification (FID) position and the first bit, determines the information that described DCI indicates.
Wherein, according to described format identification (FID) position and the first bit, determine that the information that described DCI indicates is do not trigger transmitting uplink data schedule information or the downlink data transmission schedule information of SRS aperiodic, wherein, described first bit represents and does not trigger SRS aperiodic; Particularly, do not trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, determine that the information that described DCI indicates is do not trigger the transmitting uplink data schedule information of SRS aperiodic; Or, do not trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCIformat 1A, determine that the information that described DCI indicates is downlink data transmission schedule information.
Or,
According to described format identification (FID) position and the first bit, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS outer aperiodic or trigger the transmitting uplink data schedule information of band SRS interior aperiodic, wherein, described first bit represents triggering SRS aperiodic.Particularly, trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS interior aperiodic; Or, trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS interior aperiodic.
Concrete content can see following embodiment.
The present embodiment is by characterizing the information type of DCI instruction with format identification (FID) position and the first bit, can when increasing at most the first bit of 1 bit, can in index strip SRS outer aperiodic and band aperiodic SRS, reduce the bit number needing to increase, reduce the signaling consumption of physical layer.
Fig. 2 is the method flow schematic diagram of second embodiment of the invention, comprising:
Step 21: base station generates DCI, this DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, described first bit is used for mark and whether triggers SRS aperiodic, with the information utilizing described format identification (FID) position and the first bit to indicate described DCI to indicate to user equipment (UE).
Wherein, this first bit can be newly-increased, also can be redundant digit.
In addition, the information utilizing described format identification (FID) position and the first bit to indicate described DCI to indicate to user equipment (UE) is specifically as follows: do not trigger SRS aperiodic when described first bit represents, and described format identification (FID) position identical with the format identification (FID) position of DCI format 0 time, the information indicating described DCI to indicate to UE is do not trigger the transmitting uplink data schedule information of SRS aperiodic; Or, do not trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, the information indicating described DCI to indicate to UE is downlink data transmission schedule information; Or, trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, the information indicating described DCI to indicate to UE is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, the information indicating described DCI indicate to UE be in triggering is with aperiodic SRS transmitting uplink data schedule information; Or, trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, the information indicating described DCI to indicate to UE is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, the information indicating described DCI indicate to UE be in triggering is with aperiodic SRS transmitting uplink data schedule information.
Step 22: base station sends described DCI to described UE.
Such as, described DCI is sent at DSS/USS.Afterwards, UE can determine according to the format identification (FID) position in this DCI and the first bit the information that DCI indicates.
The present invention is by characterizing the information type of DCI instruction with format identification (FID) position and the first bit, can when increasing at most the first bit of 1 bit, can in index strip SRS outer aperiodic and band aperiodic SRS, reduce the bit number needing to increase, reduce the signaling consumption of physical layer.
Fig. 3 is the method flow schematic diagram of third embodiment of the invention, comprising:
Step 31: base station issues DCI in PDCCH, this DCI comprises format identification (FID) position and trigger bit.
Wherein, the form of this DCI may have four kinds: DCI following format 0 ', DCI format 1A ', DCI format 0A, DCI format 0B (name of form does not limit).Wherein, the information type that the information type that DCI format 0 ', DCI format 1A ' represents represents with existing DCI format 0, DCI format 1A is respectively identical, namely indicates UL grant and DL grant respectively.These four kinds of forms can be determined according to the format identification (FID) position in this DCI and trigger bit.
DCI format 0A, DCI format 0B is newly-increased Format Type, is respectively used to trigger band SRS outer aperiodic and band SRS interior aperiodic.
Format identification (FID) position corresponding when table 1 shows above-mentioned four kinds of forms, trigger bit and corresponding implication.
Table 1
| DCI format | Format identification (FID) position (0/1A flag) | Trigger bit (trigger flag) | Implication |
| 0’ | 0 | 0 | Do not trigger the UL grant of SRS aperiodic |
| 0A | 0 | 1 | Trigger the UL grant of band SRS outer aperiodic |
| 1A’ | 1 | 0 | DL grant |
| 0B | 1 | 1 | Trigger band SRS's interior aperiodic |
| UL grant |
The schematic diagram one that Fig. 4 (a) is the DCI in third embodiment of the invention, the form that this DCI has is DCI format 0 '; The schematic diagram two that Fig. 4 (b) is the DCI in third embodiment of the invention, the form that this DCI has is DCI format 1A '; The schematic diagram three that Fig. 4 (c) is the DCI in third embodiment of the invention, the form that this DCI has is DCI format 0A, the schematic diagram four that Fig. 4 (d) is the DCI in third embodiment of the invention, the form that this DCI has is DCI format 0B.Wherein, the bit before in Fig. 4 (a)-Fig. 4 (d) is format identification (FID) position, and bit is below trigger bit.
In addition, it should be noted that, in order to not increase the number of times of blind Detecting, the kind of the length (size) of the DCI format comprised in search volume does not increase as far as possible, such as, 2 kinds of size are comprised respectively in CSS and DSS (USS) in prior art.DCI format3/3A only appears in CSS, and its length is identical with the length of DCIformat 0/1A.Because DCI format3/3A is the multiple UE controlling certain limit, the plurality of UE may comprise the UE of UE and LTE-A of LTE simultaneously, in order to the UE of compatible LTE, in LTE-A, DCI format3/3A length can not be changed.Therefore, in order to not increase the number of times of blind Detecting, in CSS, the length of DCI format 0/1A is not preferably changed.
But, due in DSS for single UE, the kind of the length of DCI format can't be increased when the length of DCI format 0/1A increases 1bit simultaneously, the number of times requirement of blind Detecting can be met.Therefore, the embodiment of the present invention is improved for the DCI format 0/1A in DSS especially.
Step 32:UE receives DCI, determines according to the format identification (FID) position in this DCI and trigger bit the information that DCI indicates.
Particularly, see table 1, when format identification (FID) position is " 0 " and trigger bit is " 0 ", instruction does not trigger the UL grant of SRS aperiodic;
When format identification (FID) position is " 0 " and trigger bit is " 1 ", instruction triggers the UL grant of band SRS outer aperiodic, afterwards, and UE transmit band SRS outer aperiodic;
When format identification (FID) position is " 1 " and trigger bit is " 0 ", instruction DL grant;
When format identification (FID) position is " 1 " and trigger bit is " 1 ", instruction triggers the UL grant of band SRS interior aperiodic, and afterwards, band SRS and PUSCH interior aperiodic sends by UE together.
3rd embodiment provides a kind of set-up mode, and the feasible mode of another kind exchanges to trigger format identification (FID) position corresponding to band SRS outer aperiodic and band SRS interior aperiodic, specifically can be as shown in table 2:
Table 2
| DCI format | Format identification (FID) position (0/1A flag) | Trigger bit (trigger flag) | Implication |
| 0’ | 0 | 0 | Do not trigger the UL grant of SRS aperiodic |
| 0A | 0 | 1 | Trigger the UL grant of band SRS interior aperiodic |
| 1A’ | 1 | 0 | DL grant |
| 0B | 1 | 1 | Trigger the UL grant of band SRS outer aperiodic |
The embodiment of the present invention gives and shows to trigger SRS aperiodic with format identification (FID) position and newly-increased trigger bit, being understandable that, when there is redundant information in DCI, also can not needing to increase bit, and using redundant digit as trigger bit, represent with redundant digit and format identification (FID) position.
In addition, represent with trigger bit " 0 " in the embodiment of the present invention and do not trigger SRS aperiodic, represent with " 1 " and trigger SRS aperiodic, be understandable that, also can represent with " 0 " and trigger SRS aperiodic, represent with " 1 " and do not trigger SRS aperiodic.Also another two kinds of different combinations can be represented by similar mode.
The present embodiment, by with format identification (FID) position and trigger bit determination indication information, can reduce overhead bit; By keeping the length of DCI format 0 and DCI format 1A corresponding, blind Detecting number of times can not be increased; By the combination of format identification (FID) position and trigger bit, can support to trigger band SRS outer aperiodic and band SRS interior aperiodic.
Fig. 5 is the UE structural representation of fourth embodiment of the invention, comprises receiver module 51 and determination module 52; The DCI that receiver module 51 sends for receiving base station, described DCI comprises format identification (FID) position and the first bit, and described first bit takies 1 bit, and described first bit is used for mark and whether triggers SRS aperiodic; Determination module 52, for according to described format identification (FID) position and the first bit, determines the information that described DCI indicates.
Wherein, determination module 52 can comprise first module 521, second unit 522, the 3rd unit 523 or the 4th unit 524; First module 521 does not trigger SRS aperiodic for representing when described first bit, and described format identification (FID) position identical with the format identification (FID) position of DCI format 0 time, determine that the information that described DCI indicates is do not trigger the transmitting uplink data schedule information of SRS aperiodic; Second unit 522 does not trigger SRS aperiodic for representing when described first bit, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format1A, determines that the information that described DCI indicates is downlink data transmission schedule information; 3rd unit 523 triggers SRS aperiodic for representing when described first bit, and described format identification (FID) position identical with the format identification (FID) position of DCI format 0 time, determine that information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS interior aperiodic; 4th unit 524 triggers SRS aperiodic for representing when described first bit, and described format identification (FID) position identical with the format identification (FID) position of DCIformat 1A time, determine that information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS interior aperiodic.
Especially, described receiver module 51 is specifically for being received in the DCI in DSS/USS.
The present embodiment is by characterizing the information type of DCI instruction with format identification (FID) position and the first bit, can when increasing at most the first bit of 1 bit, can in index strip SRS outer aperiodic and band aperiodic SRS, reduce the bit number needing to increase, reduce the signaling consumption of physical layer.
Fig. 6 is the architecture of base station schematic diagram of the fifth embodiment of the present invention, comprises generation module 61 and sending module 62; Generation module 61 is for generating DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, and described first bit is used for mark and whether triggers SRS aperiodic, with the information utilizing described format identification (FID) position and the first bit to indicate described DCI to indicate to UE; Sending module 62 is for sending described DCI to this UE.
Wherein, generation module 61 can comprise the 5th unit 611, the 6th unit 612, the 7th unit 613 or the 8th unit 614.5th unit 611 is for generating DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, and described first bit represents and does not trigger SRS aperiodic, and described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, the information indicated to indicate described DCI to UE is do not trigger the transmitting uplink data schedule information of SRS aperiodic; 6th unit 612 is for generating DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, and described first bit represents and does not trigger SRS aperiodic, and described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, the information indicated to indicate described DCI to UE is downlink data transmission schedule information; 7th unit 613 is for generating DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, and trigger SRS aperiodic when described first bit represents, and described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, the information indicated to indicate described DCI to UE is for triggering the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, information indicate to indicate described DCI to UE for triggering be with in aperiodic SRS transmitting uplink data schedule information; 8th unit 614 is for generating DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, and described first bit represents triggering SRS aperiodic, and described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, the information indicated to indicate described DCI to UE is for triggering the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, information indicate to indicate described DCI to UE for triggering be with in aperiodic SRS transmitting uplink data schedule information.
Wherein, sending module 62 can specifically for sending described DCI at DSS/USS.
The present embodiment is by characterizing the information type of DCI instruction with format identification (FID) position and the first bit, can when increasing at most the first bit of 1 bit, can in index strip SRS outer aperiodic and band aperiodic SRS, reduce the bit number needing to increase, reduce the signaling consumption of physical layer.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. obtain a method for the information that Downlink Control Information DCI indicates, it is characterized in that, comprising:
Receive the DCI that base station sends, described DCI comprises the first bit and format identification (FID) position, described first bit takies 1 bit, described first bit and described format identification (FID) position are used for mark and whether trigger interception reference signal SRS aperiodic, and distinguish described aperiodic interception reference signal SRS be in band aperiodic SRS or band SRS outer aperiodic;
According to described format identification (FID) position and the first bit, determine the information that described DCI indicates;
Wherein, described according to described format identification (FID) position and the first bit, determine to comprise the information that described DCI indicates:
Do not trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCIformat 0, determine that the information that described DCI indicates is do not trigger the transmitting uplink data schedule information of SRS aperiodic;
Or,
Do not trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCIformat 1A, determine that the information that described DCI indicates is downlink data transmission schedule information;
Or,
Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format0, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS interior aperiodic;
Or,
Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format1A, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS interior aperiodic.
2. method according to claim 1, is characterized in that, described first bit is newly-increased, or is redundant digit.
3. method according to claim 2, is characterized in that, described first bit is newly-increased comprising: finally increase a bit newly as the first bit in the effective field of described DCI.
4. obtain a method for the information that Downlink Control Information DCI indicates, it is characterized in that, comprising:
Generate DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, described first bit is used for mark and whether triggers interception reference signal SRS aperiodic, to utilize described format identification (FID) position and the first bit to indicate whether to trigger interception reference signal SRS aperiodic to user equipment (UE), and distinguish described aperiodic interception reference signal SRS be in band aperiodic SRS or band SRS outer aperiodic;
Described DCI is sent to described UE;
The described information utilizing described format identification (FID) position and the first bit to indicate described DCI to indicate to user equipment (UE), comprising:
Do not trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCIformat 0, the information indicating described DCI to indicate to UE is do not trigger the transmitting uplink data schedule information of SRS aperiodic;
Or,
Do not trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCIformat 1A, the information indicating described DCI to indicate to UE is downlink data transmission schedule information;
Or,
Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format0, the information indicating described DCI to indicate to UE is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, the information indicating described DCI indicate to UE be in triggering is with aperiodic SRS transmitting uplink data schedule information;
Or,
Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format1A, the information indicating described DCI to indicate to UE is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, the information indicating described DCI indicate to UE be in triggering is with aperiodic SRS transmitting uplink data schedule information.
5. a user equipment (UE), is characterized in that, comprising:
Receiver module, for receiving the Downlink Control Information DCI that base station sends, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, described first bit and described format identification (FID) position are used for mark and whether trigger interception reference signal SRS aperiodic, and distinguish described aperiodic interception reference signal SRS be in band aperiodic SRS or band SRS outer aperiodic;
Determination module, for according to described format identification (FID) position and the first bit, determines the information that described DCI indicates;
Described determination module comprises:
First module, SRS aperiodic is not triggered for representing when described first bit, and described format identification (FID) position identical with the format identification (FID) position of DCI format 0 time, determine that the information that described DCI indicates is do not trigger the transmitting uplink data schedule information of SRS aperiodic;
Or,
Second unit, does not trigger SRS aperiodic for representing when described first bit, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, determines that the information that described DCI indicates is downlink data transmission schedule information;
Or,
Unit the 3rd, SRS aperiodic is triggered for representing when described first bit, and described format identification (FID) position identical with the format identification (FID) position of DCI format 0 time, determine that information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS interior aperiodic;
Or,
Unit the 4th, SRS aperiodic is triggered for representing when described first bit, and described format identification (FID) position identical with the format identification (FID) position of DCI format 1A time, determine that information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, determine that the information that described DCI indicates is trigger the transmitting uplink data schedule information of band SRS interior aperiodic.
6. a base station, is characterized in that, comprising:
Generation module, for generating Downlink Control Information DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, described first bit is used for mark and whether triggers interception reference signal SRS aperiodic, to utilize described format identification (FID) position and the first bit to indicate whether to trigger interception reference signal SRS aperiodic to user equipment (UE), and distinguish described aperiodic interception reference signal SRS be in band aperiodic SRS or band SRS outer aperiodic;
Sending module, for sending described DCI to described UE;
Described generation module comprises:
Unit the 5th, for generating DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, and described first bit represents and does not trigger SRS aperiodic, and described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, the information indicated to indicate described DCI to UE is do not trigger the transmitting uplink data schedule information of SRS aperiodic;
Or,
Unit the 6th, for generating DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, and described first bit represents and does not trigger SRS aperiodic, and described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, the information indicated to indicate described DCI to UE is downlink data transmission schedule information;
Or,
Unit the 7th, for generating DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, and trigger SRS aperiodic when described first bit represents, and described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, the information indicated to indicate described DCI to UE is for triggering the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, information indicate to indicate described DCI to UE for triggering be with in aperiodic SRS transmitting uplink data schedule information;
Or,
Unit the 8th, for generating DCI, described DCI comprises format identification (FID) position and the first bit, described first bit takies 1 bit, and described first bit represents triggering SRS aperiodic, and described format identification (FID) position is identical with the format identification (FID) position of DCI format 1A, the information indicated to indicate described DCI to UE is for triggering the transmitting uplink data schedule information of band SRS outer aperiodic; Trigger SRS aperiodic when described first bit represents, and when described format identification (FID) position is identical with the format identification (FID) position of DCI format 0, information indicate to indicate described DCI to UE for triggering be with in aperiodic SRS transmitting uplink data schedule information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010230587.7A CN102340800B (en) | 2010-07-16 | 2010-07-16 | Obtain the method for the information of DCI instruction, UE and base station |
| PCT/CN2011/073237 WO2011140907A1 (en) | 2010-07-16 | 2011-04-25 | Method, user equipment (ue) and base station for acquiring information indicated by downlink control information (dci) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010230587.7A CN102340800B (en) | 2010-07-16 | 2010-07-16 | Obtain the method for the information of DCI instruction, UE and base station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102340800A CN102340800A (en) | 2012-02-01 |
| CN102340800B true CN102340800B (en) | 2015-08-19 |
Family
ID=44913921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010230587.7A Active CN102340800B (en) | 2010-07-16 | 2010-07-16 | Obtain the method for the information of DCI instruction, UE and base station |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102340800B (en) |
| WO (1) | WO2011140907A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2839707A4 (en) | 2012-04-19 | 2015-12-09 | Ericsson Telefon Ab L M | Signaling for uplink sounding |
| CN103765941B (en) * | 2012-08-01 | 2018-04-10 | 太阳专利信托公司 | Wireless communication terminal device and wireless communication method |
| WO2017166208A1 (en) * | 2016-03-31 | 2017-10-05 | 华为技术有限公司 | Uplink transmission method, base station, and ue |
| CN109391393B (en) * | 2017-08-09 | 2021-05-14 | 华为技术有限公司 | Method and device for transmitting control information |
| CN109429346B (en) * | 2017-08-31 | 2023-01-06 | 华为技术有限公司 | Sending method, receiving method, device and system of sounding reference signal |
| CN109922531B (en) * | 2017-12-13 | 2021-03-09 | 电信科学技术研究院 | Transmission method, terminal and base station |
| US10827487B2 (en) * | 2018-02-07 | 2020-11-03 | Asustek Computer Inc. | Method and apparatus for monitoring for interrupted transmission indication in a wireless communication system |
| US10904910B2 (en) * | 2018-04-12 | 2021-01-26 | FG Innovation Company Limited | System information modification and acquisition procedure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105227284B (en) * | 2008-09-26 | 2019-03-22 | 三星电子株式会社 | For receiving and dispatching the method and apparatus of reference signal in a wireless communication system |
| CN101631374B (en) * | 2009-08-05 | 2016-09-28 | 中兴通讯股份有限公司 | The indicating means of a kind of downlink transmission mode and device |
| CN101764642B (en) * | 2009-12-30 | 2014-07-02 | 中兴通讯股份有限公司 | Transmission method and transmission system of descending control information |
| CN101917765B (en) * | 2010-08-13 | 2015-09-16 | 中兴通讯股份有限公司 | A kind of collocation method of measuring reference signals and system |
-
2010
- 2010-07-16 CN CN201010230587.7A patent/CN102340800B/en active Active
-
2011
- 2011-04-25 WO PCT/CN2011/073237 patent/WO2011140907A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN102340800A (en) | 2012-02-01 |
| WO2011140907A1 (en) | 2011-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102340800B (en) | Obtain the method for the information of DCI instruction, UE and base station | |
| US11018824B2 (en) | Operation method of communication node supporting direct communication in network | |
| EP4027726A1 (en) | Indication method and device, and storage medium | |
| US11683142B2 (en) | Method of deriving QCL assumption in multi-panel transmission and related device | |
| JP6546184B2 (en) | Communication technique | |
| CN103404046B (en) | The method and apparatus controlling information with terminal searching in multi-node system | |
| CN103209483B (en) | The method of transmitting uplink control information, subscriber equipment and base station | |
| CN102164416B (en) | Method, system and equipment for transmitting data | |
| CN102843209A (en) | Method and device of transmission control signaling | |
| CN101605375A (en) | Signaling method on a kind of down control channel | |
| KR20190116927A (en) | Method for uplink transmission in communication system and apparatus for the same | |
| RU2756849C1 (en) | Communication method, network device and terminal device | |
| CN107889263B (en) | Data transmitting method, data receiving method, device, equipment and storage medium | |
| CN103220069A (en) | Method and device for feeding back channel state information | |
| CN103945541A (en) | Method and device for triggering SRS transmission | |
| CN101981858A (en) | A method for communicating in a mobile network | |
| CN108029109A (en) | A kind of transmission method of control information, device and system | |
| CN103517432A (en) | Channel resource indicating method and device | |
| EP3456138B1 (en) | Method and apparatus for implementing preamble zone selection | |
| KR102350264B1 (en) | Method and apparatus for transmitting and detecting downlink control information | |
| CN111148239A (en) | Default TCI configuration method and device | |
| CN103327610B (en) | A kind of notice of resource information of control channel, defining method, base station and subscriber equipment | |
| CN102932916B (en) | TTI indicating means and device | |
| CN103856290A (en) | Data transmission method and device | |
| CN103378951A (en) | Method and device for determining uplink control channel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201109 Address after: 215500 No.13, Caotang Road, Changshu, Suzhou, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20201109 Address after: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: No.13 caodang Road, Changshu City, Suzhou City, Jiangsu Province Patentee before: Changshu intellectual property operation center Co.,Ltd. |