CN103974336A - Detection reference signal sending method and user equipment - Google Patents
Detection reference signal sending method and user equipment Download PDFInfo
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- CN103974336A CN103974336A CN201310028229.1A CN201310028229A CN103974336A CN 103974336 A CN103974336 A CN 103974336A CN 201310028229 A CN201310028229 A CN 201310028229A CN 103974336 A CN103974336 A CN 103974336A
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Abstract
The invention provides a detection reference signal sending method and user equipment. The user equipment obtains an SRS configuration serial number, the SRS subframe offset amount corresponding to the SRS configuration serial number is obtained according to the corresponding relation between the SRS configuration serial number and the SRS subframe offset amount, a target SRS coefficient meeting the SRS coefficient condition is obtained according to the SRS subframe offset amount, a target subframe serial number corresponding to the target SRS coefficient is obtained according to the corresponding relation between the SRS coefficient and the subframe serial number, the subframe serial number in the corresponding relation between the SRS coefficient and the subframe serial number comprises one to nine, when the SRS coefficient is five, the corresponding subframe serial number is five, when the SRS coefficient is six, the corresponding subframe serial number is six, and the user equipment sends the SRS to a subframe of the target subframe serial number. According to the detection reference signal sending method and the user equipment, the number of uplink data can be increased.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular to a kind of detection reference signal (soundingreference signal is called for short SRS) sending method and subscriber equipment (user equipment is called for short UE).
Background technology
Existing timesharing Long Term Evolution (time division long term evolution is called for short TD-LTE) agreement is formulated for public network, and wherein, the proportion relation of ascending-descending subframes is that the application based on public network needs and designs.
At present, in existing TD-LTE agreement, the proportion relation of following 7 kinds of ascending-descending subframes of recording in support matrix 1.Table 1 is the proportion relation table of ascending-descending subframes in existing TD-LTE agreement.Wherein, D is illustrated in the proportion relation of ascending-descending subframes of this sequence number, and the subframe of this sequence number is descending sub frame; U is illustrated in the proportion relation of ascending-descending subframes of this sequence number, and the subframe of this sequence number is sub-frame of uplink; S is illustrated in the proportion relation of ascending-descending subframes of this sequence number, and the subframe of this sequence number is special subframe.As shown in table 1, in existing TD-LTE agreement, the proportion relation of descending sub frame and sub-frame of uplink comprises 7 kinds, is respectively: 2:3,3:2,4:1,7:3,8:2,9:1,5:5.
Table 1 is the proportion relation table of existing TD-LTE agreement ascending-descending subframes
Along with the development of the communication technology, a large amount of private network application scenarioss based on LTE technology are there are.Above-mentioned private network application scenarios is had any different in existing public network application scenarios.In public network application scenarios, downlink data amount is all more than upstream data amount; And in private network application scenarios, upstream data amount is far longer than descending data volume, for example, to carry out in the application scenarios of video monitoring at employing LTE private network, terminal need to be uploaded a large amount of video datas to network side.
In existing TD-LTE agreement, in the proportion relation of above-mentioned 7 kinds of ascending-descending subframes, only having sequence number is that the sub-frame of uplink quantity of 0 proportion relation is more than descending sub frame quantity, but its descending sub frame is 2:3 with the quantity of sub-frame of uplink than only, still cannot meet the demand of private network scene to the transmission of upstream data amount.
Summary of the invention
First aspect of the present invention is to provide a kind of SRS sending method, in order to solve defect of the prior art, increases upstream data amount.
Another aspect of the present invention is to provide a kind of UE, in order to solve defect of the prior art, increases upstream data amount.
First aspect of the present invention is to provide a kind of detection reference signal SRS sending method, comprising:
User equipment (UE) obtains SRS configuration sequence number;
Described UE, according to default SRS configuration sequence number and the corresponding relation of SRS sub-frame offset, obtains SRS sub-frame offset corresponding to described SRS configuration sequence number;
Described UE, according to described SRS sub-frame offset, obtains satisfied (k
sRS-T
offset) the SRS coefficient of mod5=0, as target SRS coefficient, wherein, k
sRSfor described SRS coefficient, k
sRS=0 ..., 9, T
offsetfor described SRS sub-frame offset;
Described UE is according to default SRS coefficient and the corresponding relation of subframe sequence number, obtain the subframe sequence number that described target SRS coefficient is corresponding, as target-subframe sequence number, wherein, subframe sequence number in the corresponding relation of described default SRS coefficient and subframe sequence number comprises 1 to 9, described SRS coefficient is that 5 o'clock corresponding subframe sequence numbers are 5, and described SRS coefficient is that 6 o'clock corresponding subframe sequence numbers are 6;
Described UE sends described SRS in the subframe of described target-subframe sequence number.
Method as above, wherein, the corresponding relation of described default SRS coefficient and subframe sequence number also comprises:
In the time that ascending pilot frequency UpPTS territory length is 2 symbols, described SRS coefficient be 0 or 1 o'clock corresponding subframe sequence number be 1, described SRS coefficient is that 2 o'clock corresponding subframe sequence numbers are 2, described SRS coefficient is that 3 o'clock corresponding subframe sequence numbers are 3, described SRS coefficient is that 4 o'clock corresponding subframe sequence numbers are 4, described SRS coefficient is that 7 o'clock corresponding subframe sequence numbers are 7, and described SRS coefficient is that 8 o'clock corresponding subframe sequence numbers are 8, and described SRS coefficient is that 9 o'clock corresponding subframe sequence numbers are 9;
In the time that described UpPTS territory length is 1 symbol, described SRS coefficient is that 1 o'clock corresponding subframe sequence number is 1, described SRS coefficient is that 2 o'clock corresponding subframe sequence numbers are 2, described SRS coefficient is that 3 o'clock corresponding subframe sequence numbers are 3, described SRS coefficient is that 4 o'clock corresponding subframe sequence numbers are 4, described SRS coefficient is that 7 o'clock corresponding subframe sequence numbers are 7, and described SRS coefficient is that 8 o'clock corresponding subframe sequence numbers are 8, and described SRS coefficient is that 9 o'clock corresponding subframe sequence numbers are 9.
Method as above, wherein, also comprises:
Described UE, at subframe 0 and subframe 1 downlink data receiving of each frame, sends upstream data in subframe 2 to the subframe 9 of each frame.
Another aspect of the present invention is to provide a kind of user equipment (UE), comprising:
Control unit, for obtaining SRS configuration sequence number, according to default SRS configuration sequence number and the corresponding relation of SRS sub-frame offset, obtains SRS sub-frame offset corresponding to described SRS configuration sequence number, according to described SRS sub-frame offset, obtains satisfied (k
sRS-T
offset) the SRS coefficient of mod5=0, as target SRS coefficient, wherein, k
sRSfor described SRS coefficient, k
sRS=0 ..., 9, T
offsetfor described SRS sub-frame offset, according to default SRS coefficient and the corresponding relation of subframe sequence number, obtain the subframe sequence number that described target SRS coefficient is corresponding, as target-subframe sequence number, wherein, subframe sequence number in the corresponding relation of described default SRS coefficient and subframe sequence number comprises 1 to 9, and described SRS coefficient is that 5 o'clock corresponding subframe sequence numbers are 5, and described SRS coefficient is that 6 o'clock corresponding subframe sequence numbers are 6;
Transmitting element, for sending described SRS in the subframe of described target-subframe sequence number.
UE as above, wherein,
The corresponding relation of described default SRS coefficient and subframe sequence number also comprises:
In the time that ascending pilot frequency UpPTS territory length is 2 symbols, described SRS coefficient be 0 or 1 o'clock corresponding subframe sequence number be 1, described SRS coefficient is that 2 o'clock corresponding subframe sequence numbers are 2, described SRS coefficient is that 3 o'clock corresponding subframe sequence numbers are 3, described SRS coefficient is that 4 o'clock corresponding subframe sequence numbers are 4, described SRS coefficient is that 7 o'clock corresponding subframe sequence numbers are 7, and described SRS coefficient is that 8 o'clock corresponding subframe sequence numbers are 8, and described SRS coefficient is that 9 o'clock corresponding subframe sequence numbers are 9;
In the time that described UpPTS territory length is 1 symbol, described SRS coefficient is that 1 o'clock corresponding subframe sequence number is 1, described SRS coefficient is that 2 o'clock corresponding subframe sequence numbers are 2, described SRS coefficient is that 3 o'clock corresponding subframe sequence numbers are 3, described SRS coefficient is that 4 o'clock corresponding subframe sequence numbers are 4, described SRS coefficient is that 7 o'clock corresponding subframe sequence numbers are 7, and described SRS coefficient is that 8 o'clock corresponding subframe sequence numbers are 8, and described SRS coefficient is that 9 o'clock corresponding subframe sequence numbers are 9.
UE as above, wherein,
Described transmitting element also sends upstream data for the subframe 2 at each frame to subframe 9;
Described UE also comprises: receiving element, and for the subframe 0 at each frame and subframe 1 downlink data receiving.
From foregoing invention content, UE obtains after SRS configuration sequence number, first obtains SRS sub-frame offset corresponding to SRS configuration sequence number according to default SRS configuration sequence number with the corresponding relation of SRS sub-frame offset, then obtains satisfied (k according to SRS sub-frame offset
sRS-T
offset) the SRS coefficient of mod5=0, as target SRS coefficient, then, according to default SRS coefficient and the corresponding relation of subframe sequence number, obtain the subframe sequence number that described target SRS coefficient is corresponding, finally send SRS in the subframe of this subframe sequence number.Due in the corresponding relation of SRS coefficient and subframe sequence number, in the time that described SRS coefficient is 5, corresponding subframe sequence number is 5, therefore can be by subframe 5 also for sending SRS, this SRS sending method can be applicable to using subframe 0 and subframe 1 as descending sub frame and using subframe 2 to 9 situations as sub-frame of uplink, thereby the proportion relation of ascending-descending subframes is expanded as to 8:2, increased upstream data amount.
Brief description of the drawings
Fig. 1 is the flow chart of the SRS sending method of the embodiment of the present invention one;
Fig. 2 is the structural representation of the UE of the embodiment of the present invention three.
Embodiment
In embodiments of the present invention, adopt a kind of new subframe proportion relation, using subframe 0 and subframe 1 as descending sub frame, using subframe 2 to 9 as sub-frame of uplink.This subframe proportion relation is increased in the proportion relation of the existing TD-LTE agreement ascending-descending subframes shown in table 1, as the 8th kind of subframe proportion relation.Table 2 is the proportion relation table of embodiment of the present invention TD-LTE agreement ascending-descending subframes.As shown in table 2, the proportion relation of the ascending-descending subframes that is 7 in sequence number is in the new subframe proportion relation of embodiment of the present invention proposition, wherein, subframe 0 is descending sub frame, and subframe 1 is special subframe, in this proportion relation, this special subframe uses as descending sub frame, and subframe 2 to 9 is sub-frame of uplink.
The proportion relation table of table 2. embodiment of the present invention TD-LTE agreement ascending-descending subframes
In embodiments of the present invention, adopting above-mentioned sequence number is the proportion relation of 7 ascending-descending subframes, 16 mixed automatic retransfer requests (hybrid automatic repeat request is called for short HARQ) process can be set, and each sub-frame of uplink is as a HARQ process.Particularly, in present frame, send respectively HARQ1 to HARQ8 in subframe 2 to subframe 9, in the next frame of present frame, send respectively HARQ9 to HARQ16 in subframe 2 to subframe 9, each subframe sends a HARQ.Below the UE that adopts the SRS sending method in the proportion relation situation of above-mentioned ascending-descending subframes and carry out this SRS sending method is introduced.
Fig. 1 is the flow chart of the SRS sending method of the embodiment of the present invention one.As shown in Figure 1, the method comprises following process.
Step 101:UE obtains SRS configuration sequence number.
Step 102:UE, according to default SRS configuration sequence number and the corresponding relation of SRS sub-frame offset, obtains SRS sub-frame offset corresponding to described SRS configuration sequence number.
Step 103:UE, according to described SRS sub-frame offset, obtains and meets pre-conditioned SRS coefficient, as target SRS coefficient.
In this step, be describedly pre-conditionedly: (k
sRS-T
offset) mod5=0, wherein, k
sRSfor described SRS coefficient, k
sRS=0 ..., 9, T
offsetfor described SRS sub-frame offset.
Step 104:UE, according to default SRS coefficient and the corresponding relation of subframe sequence number, obtains the subframe sequence number that described target SRS coefficient is corresponding, as target-subframe sequence number.
In this step, wherein, subframe sequence number in the corresponding relation of described default SRS coefficient and subframe sequence number comprises 1 to 9, and, the corresponding relation of described default SRS coefficient and subframe sequence number comprises: in the time that described SRS coefficient is 5, corresponding subframe sequence number is 5, and in the time that described SRS coefficient is 6, corresponding subframe sequence number is 6.
Step 105:UE sends described SRS in the subframe of described target-subframe sequence number.
Further, in the embodiment of the present invention one, also comprise: UE, at subframe 0 and subframe 1 downlink data receiving of each frame, sends upstream data in subframe 2 to the subframe 9 of each frame.
In the embodiment of the present invention one, UE obtains after SRS configuration sequence number, first obtains SRS sub-frame offset corresponding to SRS configuration sequence number according to default SRS configuration sequence number with the corresponding relation of SRS sub-frame offset, then obtains satisfied (k according to SRS sub-frame offset
sRS-T
offset) the SRS coefficient of mod5=0, as target SRS coefficient, then, according to default SRS coefficient and the corresponding relation of subframe sequence number, obtain the subframe sequence number that described target SRS coefficient is corresponding, finally send SRS in the subframe of this subframe sequence number.Due in the corresponding relation of SRS coefficient and subframe sequence number, in the time that described SRS coefficient is 5, corresponding subframe sequence number is 5, therefore can be by subframe 5 also for sending SRS, this SRS sending method can be applicable to using subframe 0 and subframe 1 as descending sub frame and using subframe 2 to 9 situations as sub-frame of uplink, thereby the proportion relation of ascending-descending subframes is expanded as to 8:2, increased upstream data amount.
Below introduce the SRS sending method of the embodiment of the present invention two.The method comprises following process.
The first step: UE obtains SRS configuration sequence number.
In this step, UE obtains SRS configuration sequence number from configuration information, with I
rSRrepresent SRS configuration sequence number.
Second step: UE, according to default SRS configuration sequence number and the corresponding relation of SRS sub-frame offset, obtains SRS sub-frame offset corresponding to described SRS configuration sequence number.
In this step, in UE, the corresponding relation of default SRS configuration sequence number and SRS sub-frame offset for example, can be preset following table 3 in UE.Table 3 is SRS allocation list.Wherein, with I
rSRrepresent SRS configuration sequence number, with T
offsetrepresent SRS sub-frame offset.
The 3rd step: UE, according to SRS sub-frame offset, obtains satisfied (k
sRS-T
offset) the SRS coefficient of mod5=0, as target SRS coefficient.
In this step, UE, according to SRS sub-frame offset, obtains satisfied (k
sRS-T
offset) the SRS coefficient of mod5=0, as target SRS coefficient, wherein, with k
sRSfor representing SRS coefficient, k
sRS=0 ..., 9, with T
offsetrepresent SRS sub-frame offset, mod represents modular arithmetic.
In an instantiation, I
rSRbe 0 o'clock, corresponding T
offsetbe 0 or 1, successively by k
sRS=0 ..., 9 and T
offset=0 substitution (k
sRS-T
offset) mod5, meet (k
sRS-T
offset) k of mod5=0
sRSvalue comprises: 0 or 5, and successively by k
sRS=0 ..., 9 and T
offset=1 substitution (k
sRS-T
offset) mod5, meet (k
sRS-T
offset) k of mod5=0
sRSvalue comprises: 1 or 6, to sum up, at I
rSRit is 0 o'clock, according to corresponding T
offset, get target SRS coefficient and comprise: 0,1,5 or 6.
Table 3.SRS allocation list
| SRS configuration sequence number I SRS | SRS cycle T SRS(ms) | SRS sub-frame offset T offset |
| 0 | 2 | 0,1 |
| 1 | 2 | 0,2 |
| 2 | 2 | 1,2 |
| 3 | 2 | 0,3 |
| 4 | 2 | 1,3 |
| 5 | 2 | 0,4 |
| 6 | 2 | 1,4 |
| 7 | 2 | 2,3 |
| 8 | 2 | 2,4 |
| 9 | 2 | 3,4 |
| 10–14 | 5 | ISRS–10 |
| 15–24 | 10 | ISRS–15 |
| 25–44 | 20 | ISRS–25 |
| 45-84 | 40 | ISRS-45 |
| 85-164 | 80 | ISRS-85 |
| 165-324 | 160 | ISRS-165 |
| 325-644 | 320 | ISRS-325 |
| 645-1023 | Retain | Retain |
The 4th step: UE, according to default SRS coefficient and the corresponding relation of subframe sequence number, obtains the subframe sequence number that described target SRS coefficient is corresponding, as target-subframe sequence number.
In this step, default SRS coefficient and the corresponding relation of subframe sequence number comprise: in the time that described SRS coefficient is 5, corresponding subframe sequence number is 5, and in the time that described SRS coefficient is 6, corresponding subframe sequence number is 6.
Further, in the corresponding relation of above-mentioned default SRS coefficient and subframe sequence number, can also comprise following content:
Be the situation of 2 symbols for ascending pilot frequency (being called for short UpPTS) territory length: in the time that described SRS coefficient is 0 or 1, corresponding subframe sequence number is 1, in the time that described SRS coefficient is 2, corresponding subframe sequence number is 2, in the time that described SRS coefficient is 3, corresponding subframe sequence number is 3, in the time that described SRS coefficient is 4, corresponding subframe sequence number is 4, and in the time that described SRS coefficient is 7, corresponding subframe sequence number is 7, in the time that described SRS coefficient is 8, corresponding subframe sequence number is 8, and in the time that described SRS coefficient is 9, corresponding subframe sequence number is 9;
Be the situation of 1 symbol for UpPTS territory length: in the time that described SRS coefficient is 1, corresponding subframe sequence number is 1, in the time that described SRS coefficient is 2, corresponding subframe sequence number is 2, and in the time that described SRS coefficient is 3, corresponding subframe sequence number is 3, in the time that described SRS coefficient is 4, corresponding subframe sequence number is 4, and in the time that described SRS coefficient is 7, corresponding subframe sequence number is 7, in the time that described SRS coefficient is 8, corresponding subframe sequence number is 8, and in the time that described SRS coefficient is 9, corresponding subframe sequence number is 9.
The full content of the corresponding relation of above-mentioned default SRS coefficient and subframe sequence number can adopt table 4 to represent.Table 4 is the mapping table of SRS coefficient and subframe sequence number.
The mapping table of table 4.SRS coefficient and subframe sequence number
Still taking the instantiation in the 3rd step as example, at I
rSRbe 0 o'clock, get target SRS coefficient and comprise: 0,1,5 or 6.According to table 4, be the situation of 2 symbols for UpPTS territory length, k
sRSthe subframe sequence number of=0 correspondence is 1, k
sRSthe subframe sequence number of=1 correspondence is 1, k
sRSthe subframe sequence number of=5 correspondences is 5, k
sRSthe subframe sequence number of=6 correspondences is 6; Be the situation of 1 symbol for UpPTS territory length, k
sRSthe subframe sequence number of=1 correspondence is 1, k
sRSthe subframe sequence number of=5 correspondences is 5, k
sRSthe subframe sequence number of=6 correspondences is 6.To sum up, at I
rSRbe 0 o'clock, get target-subframe sequence number and comprise: 1,5,6.
The 5th step: UE sends described SRS in the subframe of described target-subframe sequence number.
In this step, still taking the instantiation in the 3rd step and the 4th step as example, at I
rSRbe 0 o'clock, UE can send SRS in subframe 1, subframe 5 and subframe 6.In above-mentioned concrete example, only with I
rSRbe 0 for example describes, adopt above-mentioned same method, can obtain I
rSRbe the target-subframe sequence number sending for SRS in 0 to 9 various situations, by I
rSRthe target-subframe sequence number that is 0 to 9 correspondence is recorded in table 5.Table 5 is the mapping table of SRS configuration sequence number and target-subframe sequence number.
The mapping table of table 5.SRS configuration sequence number and target-subframe sequence number
Further, in the embodiment of the present invention two, also comprise: UE, at subframe 0 and subframe 1 downlink data receiving of each frame, sends upstream data in subframe 2 to the subframe 9 of each frame.
In the embodiment of the present invention two, UE obtains after SRS configuration sequence number, first obtains SRS sub-frame offset corresponding to SRS configuration sequence number according to default SRS configuration sequence number with the corresponding relation of SRS sub-frame offset, then obtains satisfied (k according to SRS sub-frame offset
sRS-T
offset) the SRS coefficient of mod5=0, as target SRS coefficient, then, according to default SRS coefficient and the corresponding relation of subframe sequence number, obtain the subframe sequence number that described target SRS coefficient is corresponding, finally send SRS in the subframe of this subframe sequence number.Due in the corresponding relation of SRS coefficient and subframe sequence number, not only comprise that SRS coefficient same as the prior art is 0, 1, 2, 3, 4, 7, 8, 9 with subframe sequence number 1, 2, 3, 4, 7, 8, 9 corresponding relation, also comprise that SRS coefficient is 5 corresponding subframe sequence numbers 5, and SRS coefficient is 6 corresponding subframe sequence numbers 6, therefore can be by subframe 5 also for sending SRS, this SRS sending method can be applicable to using subframe 0 and subframe 1 as descending sub frame and using subframe 2 to 9 situations as sub-frame of uplink, thereby the proportion relation of ascending-descending subframes is expanded as to 8:2, increase upstream data amount.
Fig. 2 is the structural representation of the UE of the embodiment of the present invention three.As shown in Figure 2, this UE comprises: control unit 21 and transmitting element 22.
Wherein, control unit 21, for obtaining SRS configuration sequence number, according to default SRS configuration sequence number and the corresponding relation of SRS sub-frame offset, obtains SRS sub-frame offset corresponding to described SRS configuration sequence number, according to described SRS sub-frame offset, obtains satisfied (k
sRS-T
offset) the SRS coefficient of mod5=0, as target SRS coefficient, wherein, k
sRSfor described SRS coefficient, k
sRS=0 ..., 9, T
offsetfor described SRS sub-frame offset, according to default SRS coefficient and the corresponding relation of subframe sequence number, obtain the subframe sequence number that described target SRS coefficient is corresponding, as target-subframe sequence number, wherein, subframe sequence number in the corresponding relation of described default SRS coefficient and subframe sequence number comprises 1 to 9, and the corresponding relation of described default SRS coefficient and subframe sequence number comprises: in the time that described SRS coefficient is 5, corresponding subframe sequence number is 5, in the time that described SRS coefficient is 6, corresponding subframe sequence number is 6.
Transmitting element 22 is for sending described SRS in the subframe of described target-subframe sequence number.
On the basis of technique scheme, further, the corresponding relation of described default SRS coefficient and subframe sequence number also comprises:
In the time that UpPTS territory length is 2 symbols, in the time that described SRS coefficient is 0 or 1, corresponding subframe sequence number is 1, in the time that described SRS coefficient is 2, corresponding subframe sequence number is 2, in the time that described SRS coefficient is 3, corresponding subframe sequence number is 3, and in the time that described SRS coefficient is 4, corresponding subframe sequence number is 4, in the time that described SRS coefficient is 7, corresponding subframe sequence number is 7, and in the time that described SRS coefficient is 8, corresponding subframe sequence number is 8, in the time that described SRS coefficient is 9, corresponding subframe sequence number is 9;
In the time that described UpPTS territory length is 1 symbol, in the time that described SRS coefficient is 1, corresponding subframe sequence number is 1, in the time that described SRS coefficient is 2, corresponding subframe sequence number is 2, in the time that described SRS coefficient is 3, corresponding subframe sequence number is 3, and in the time that described SRS coefficient is 4, corresponding subframe sequence number is 4, in the time that described SRS coefficient is 7, corresponding subframe sequence number is 7, and in the time that described SRS coefficient is 8, corresponding subframe sequence number is 8, in the time that described SRS coefficient is 9, corresponding subframe sequence number is 9.
Further, the UE of the embodiment of the present invention three also comprises receiving element, in Fig. 2, do not give and illustrating, described receiving element is for subframe 0 and subframe 1 downlink data receiving at each frame, and the described transmitting element 22 of the embodiment of the present invention three also sends upstream data for the subframe 2 at each frame to subframe 9.
The UE of the embodiment of the present invention three can be for the up-link access method described in the execution embodiment of the present invention one or the embodiment of the present invention two, and its specific implementation process and technique effect can, with reference to the embodiment of the present invention one or the embodiment of the present invention two, repeat no more herein.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, in the time carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a detection reference signal SRS sending method, is characterized in that, comprising:
User equipment (UE) obtains SRS configuration sequence number;
Described UE, according to default SRS configuration sequence number and the corresponding relation of SRS sub-frame offset, obtains SRS sub-frame offset corresponding to described SRS configuration sequence number;
Described UE, according to described SRS sub-frame offset, obtains satisfied (k
sRS-T
offset) the SRS coefficient of mod5=0, as target SRS coefficient, wherein, k
sRSfor described SRS coefficient, k
sRS=0 ..., 9, T
offsetfor described SRS sub-frame offset;
Described UE is according to default SRS coefficient and the corresponding relation of subframe sequence number, obtain the subframe sequence number that described target SRS coefficient is corresponding, as target-subframe sequence number, wherein, subframe sequence number in the corresponding relation of described default SRS coefficient and subframe sequence number comprises 1 to 9, described SRS coefficient is that 5 o'clock corresponding subframe sequence numbers are 5, and described SRS coefficient is that 6 o'clock corresponding subframe sequence numbers are 6;
Described UE sends described SRS in the subframe of described target-subframe sequence number.
2. method according to claim 1, is characterized in that, the corresponding relation of described default SRS coefficient and subframe sequence number also comprises:
In the time that ascending pilot frequency UpPTS territory length is 2 symbols, described SRS coefficient be 0 or 1 o'clock corresponding subframe sequence number be 1, described SRS coefficient is that 2 o'clock corresponding subframe sequence numbers are 2, described SRS coefficient is that 3 o'clock corresponding subframe sequence numbers are 3, described SRS coefficient is that 4 o'clock corresponding subframe sequence numbers are 4, described SRS coefficient is that 7 o'clock corresponding subframe sequence numbers are 7, and described SRS coefficient is that 8 o'clock corresponding subframe sequence numbers are 8, and described SRS coefficient is that 9 o'clock corresponding subframe sequence numbers are 9;
In the time that described UpPTS territory length is 1 symbol, described SRS coefficient is that 1 o'clock corresponding subframe sequence number is 1, described SRS coefficient is that 2 o'clock corresponding subframe sequence numbers are 2, described SRS coefficient is that 3 o'clock corresponding subframe sequence numbers are 3, described SRS coefficient is that 4 o'clock corresponding subframe sequence numbers are 4, described SRS coefficient is that 7 o'clock corresponding subframe sequence numbers are 7, and described SRS coefficient is that 8 o'clock corresponding subframe sequence numbers are 8, and described SRS coefficient is that 9 o'clock corresponding subframe sequence numbers are 9.
3. method according to claim 1 and 2, is characterized in that, also comprises:
Described UE, at subframe 0 and subframe 1 downlink data receiving of each frame, sends upstream data in subframe 2 to the subframe 9 of each frame.
4. a user equipment (UE), is characterized in that, comprising:
Control unit, for obtaining SRS configuration sequence number, according to default SRS configuration sequence number and the corresponding relation of SRS sub-frame offset, obtains SRS sub-frame offset corresponding to described SRS configuration sequence number, according to described SRS sub-frame offset, obtains satisfied (k
sRS-T
offset) the SRS coefficient of mod5=0, as target SRS coefficient, wherein, k
sRSfor described SRS coefficient, k
sRS=0 ..., 9, T
offsetfor described SRS sub-frame offset, according to default SRS coefficient and the corresponding relation of subframe sequence number, obtain the subframe sequence number that described target SRS coefficient is corresponding, as target-subframe sequence number, wherein, subframe sequence number in the corresponding relation of described default SRS coefficient and subframe sequence number comprises 1 to 9, and described SRS coefficient is that 5 o'clock corresponding subframe sequence numbers are 5, and described SRS coefficient is that 6 o'clock corresponding subframe sequence numbers are 6;
Transmitting element, for sending described SRS in the subframe of described target-subframe sequence number.
5. UE according to claim 4, is characterized in that,
The corresponding relation of described default SRS coefficient and subframe sequence number also comprises:
In the time that ascending pilot frequency UpPTS territory length is 2 symbols, described SRS coefficient be 0 or 1 o'clock corresponding subframe sequence number be 1, described SRS coefficient is that 2 o'clock corresponding subframe sequence numbers are 2, described SRS coefficient is that 3 o'clock corresponding subframe sequence numbers are 3, described SRS coefficient is that 4 o'clock corresponding subframe sequence numbers are 4, described SRS coefficient is that 7 o'clock corresponding subframe sequence numbers are 7, and described SRS coefficient is that 8 o'clock corresponding subframe sequence numbers are 8, and described SRS coefficient is that 9 o'clock corresponding subframe sequence numbers are 9;
In the time that described UpPTS territory length is 1 symbol, described SRS coefficient is that 1 o'clock corresponding subframe sequence number is 1, described SRS coefficient is that 2 o'clock corresponding subframe sequence numbers are 2, described SRS coefficient is that 3 o'clock corresponding subframe sequence numbers are 3, described SRS coefficient is that 4 o'clock corresponding subframe sequence numbers are 4, described SRS coefficient is that 7 o'clock corresponding subframe sequence numbers are 7, and described SRS coefficient is that 8 o'clock corresponding subframe sequence numbers are 8, and described SRS coefficient is that 9 o'clock corresponding subframe sequence numbers are 9.
6. according to the UE described in claim 4 or 5, it is characterized in that,
Described transmitting element also sends upstream data for the subframe 2 at each frame to subframe 9;
Described UE also comprises: receiving element, and for the subframe 0 at each frame and subframe 1 downlink data receiving.
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| CN103974336B (en) | 2017-09-29 |
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