CN109391314A - Feedback, method, user equipment, base station and the readable medium for obtaining channel quality - Google Patents
Feedback, method, user equipment, base station and the readable medium for obtaining channel quality Download PDFInfo
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- CN109391314A CN109391314A CN201710689540.9A CN201710689540A CN109391314A CN 109391314 A CN109391314 A CN 109391314A CN 201710689540 A CN201710689540 A CN 201710689540A CN 109391314 A CN109391314 A CN 109391314A
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- srs
- layer
- channel quality
- channel
- sequence
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/0478—Special codebook structures directed to feedback optimisation
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of method, user equipment, base station and readable medium for feeding back, obtaining channel quality.The method of the feedback channel quality includes: the channel quality information that each layer is obtained according to down channel；The SRS of multiple ports is sent to network side timesharing, wherein, the transmission sequence of each port SRS is consistent with the sequence of channel quality of each layer of down channel, enables network side to receive the SRS of the multiple port in a manner of blind Detecting, and obtain the sequencing information of the channel quality of each layer of down channel.Using above scheme, the sequencing information of the channel quality of each layer of network side down channel in the case where not introducing additional overhead, can be implicitly notified.
Description
Technical field
The present embodiments relate to the communications field more particularly to a kind of feedbacks, the method for obtaining channel quality, Yong Hushe
Standby, base station and readable medium.
Background technique
In the realization of existing product, for the code book of advanced code book (Advanced Codebook) and Type II
(Type II code book), user equipment (User Equipment, UE) can be indicated by feeding back the relative power of each layer
(Relative Power Indicator, RPI) or amplitude scaling factor (Amplitude Scaling Factor, ACF)
The channel quality information for indicating each layer allows network side to obtain the sequencing information of each layer channel quality.But for it
His code book, such as the code book (Type I code book) of type I, UE feed back without corresponding RPI or ACF, can only directly believe each layer
The sequencing information of road quality feeds back to network side, but the program introduces additional overhead, and there are the wastings of resources.
Summary of the invention
The technical issues of embodiment of the present invention solves is how the sequencing information of feedback channel quality is additional without introducing
Overhead.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of method of user equipment feedback channel quality, institute
The method of stating includes: a kind of method of user equipment feedback channel quality, which comprises obtains each layer according to down channel
Channel quality information；The SRS of multiple ports is sent to network side timesharing, wherein the transmission sequence and down channel of each port SRS
The sequence of the channel quality of each layer is consistent, and network side is enabled to receive the SRS of the multiple port in a manner of blind Detecting, and
Obtain the sequencing information of the channel quality of each layer of down channel.
Optionally, the SRS for sending multiple ports to network side timesharing includes: the channel matter according to each layer of down channel
The sequence of amount from high to low, the SRS of multiple ports is sent to network side timesharing, the mark in middle layer and the mark of port are consistent.
Optionally, the SRS for sending multiple ports to network side timesharing includes: the channel matter according to each layer of down channel
The sequence of amount from low to high, the SRS of multiple ports is sent to network side timesharing, the mark in middle layer and the mark of port are consistent.
The embodiment of the present invention provides a kind of method that network side obtains channel quality, which comprises with blind Detecting
Mode receives the SRS of multiple ports of UE timesharing transmission, wherein the channel of the transmission sequence and each layer of down channel of each port SRS
The sequence of quality is consistent；The transmission sequence of port based on the SRS received, obtains the row of the channel quality of each layer of down channel
Sequence information.
The embodiment of the present invention provides a kind of user equipment, comprising: first acquisition unit is suitable for being obtained according to down channel each
The channel quality information of layer；Transmission unit, suitable for sending the SRS of multiple ports to network side timesharing, wherein each port SRS's
Transmission sequence is consistent with the sequence of channel quality of each layer of down channel, and network side is enabled to receive institute in a manner of blind Detecting
The SRS of multiple ports is stated, and obtains the sequencing information of the channel quality of each layer of down channel.
Optionally, the transmission unit includes: the first transmission sub-unit, suitable for the channel quality according to each layer of down channel
Sequence from high to low, the SRS of multiple ports is sent to network side timesharing, and the mark in middle layer and the mark of port are consistent.
Optionally, the transmission unit includes: the second transmission sub-unit, suitable for the channel quality according to each layer of down channel
Sequence from low to high, the SRS of multiple ports is sent to network side timesharing, and the mark in middle layer and the mark of port are consistent.
The embodiment of the present invention provides a kind of base station, comprising: receiving unit, suitable for receiving UE timesharing hair in a manner of blind Detecting
The SRS for the multiple ports sent, wherein the transmission sequence of each port SRS is consistent with the sequence of channel quality of each layer of down channel；
Second acquisition unit obtains the channel quality of each layer of down channel suitable for the transmission sequence of the port based on the SRS received
Sequencing information.
The embodiment of the present invention provides a kind of computer-readable medium, is stored thereon with computer instruction, the computer
Step corresponding to the method for user equipment feedback channel quality described above is executed when instruction operation.
The embodiment of the present invention provides a kind of computer-readable medium, is stored thereon with computer instruction, the computer
Step corresponding to the method for network side acquisition channel quality described above is executed when instruction operation.
The embodiment of the present invention provides a kind of user equipment, including memory and processor, is stored with energy on the memory
Enough computer instructions run on the processor, the processor execute use described above when running the computer instruction
Step corresponding to the method for family equipment feedback channel quality.
The embodiment of the present invention provides a kind of user equipment, including memory and processor, is stored with energy on the memory
Enough computer instructions run on the processor, the processor execute net described above when running the computer instruction
Step corresponding to the method for network side acquisition channel quality.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that
User equipment sends the SRS of multiple ports by timesharing, wherein the transmission sequence of each port SRS is each with down channel
The sequence of the channel quality of layer is consistent, can implicitly notify under network side in the case where not introducing additional overhead
The sequencing information of the channel quality of each layer of row channel, enables network side to receive the multiple port in a manner of blind Detecting
SRS, to obtain the sequencing information of the channel quality of each layer of down channel.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the method for user equipment feedback channel quality provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram for the SRS that a kind of user equipment provided in an embodiment of the present invention sends multiple ports；
Fig. 3 is the flow chart for the method that a kind of network side provided in an embodiment of the present invention obtains channel quality；
Fig. 4 is a kind of structural schematic diagram of user equipment provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of base station provided in an embodiment of the present invention.
Specific embodiment
In current products scheme, for the code book (Type I code book) of other code books, such as type I, UE is without corresponding
RPI or ACF feedback, the sequencing information of each layer channel quality directly can only be fed back into network side, but the program introduces
Additional overhead, there are the wastings of resources.
The embodiment of the present invention sends the SRS of multiple ports by UE timesharing, wherein the transmission sequence and downlink of each port SRS
The sequence of the channel quality of each layer of channel is consistent, can implicitly notify net in the case where not introducing additional overhead
The sequencing information of the channel quality of each layer of network side down channel, enables network side to receive in a manner of blind Detecting the multiple
The SRS of port, to obtain the sequencing information of the channel quality of each layer of down channel.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to the accompanying drawing to this
The specific embodiment of invention is described in detail.
Referring to Fig. 1, a kind of method of user equipment feedback channel quality provided in an embodiment of the present invention may include as follows
Step:
S101 obtains the channel quality information of each layer according to down channel.
In specific implementation, the user equipment can by receive down channel send common pilot signal or specially
The channel quality information of each layer is obtained with pilot signal, the embodiment of the present invention is with no restrictions.
S102 sends the SRS of multiple ports to network side timesharing, wherein the transmission sequence and down channel of each port SRS
The sequence of the channel quality of each layer is consistent, and network side is enabled to receive the SRS of the multiple port in a manner of blind Detecting, and
Obtain the sequencing information of the channel quality of each layer of down channel.
In specific implementation, since the user equipment needs to send the detection reference signal (Sounding of multiple ports
Reference Signal) to network side, allow network side to be based on SRS and carries out uplink channel estimation and uplink signal-channel quality
Measurement.Wherein, the SRS of different port corresponds to different orthogonal codes, and network side distinguishes different port by different orthogonal codes
SRS.Therefore the user equipment can send the detection reference signal (Sounding of multiple ports by up channel timesharing
Reference Signal), wherein the transmission sequence of each port SRS is consistent with the sequence of channel quality of each layer of down channel,
Enable network side to receive the SRS of the multiple port in a manner of blind Detecting, and obtains the channel matter of each layer of down channel
The sequencing information of amount.
In specific implementation, the user equipment can be according to the channel quality of each layer of down channel from high to low suitable
Sequence, the SRS of multiple ports is sent to network side timesharing, and the mark in middle layer and the mark of port are consistent；It can also be according to downlink
The sequence of the channel quality of each layer of channel from low to high, sends the SRS of multiple ports to network side timesharing, the mark in middle layer with
The mark of port is consistent.The transmission sequence and downlink of the SRS of multiple ports as long as the user equipment and network side are made an appointment
The corresponding relationship of the sequence of the channel quality of each layer of channel, network side can send the port order of SRS according to UE, and deduction obtains
Take the sequencing information of the channel quality of each layer of down channel.
For example, in an embodiment of the present invention, as shown in Fig. 2, the port SRS 1~4 is accounted in frequency domain in running time-frequency resource figure
With identical resource unit (Resource Element, RE), subcarrier spacing 4.The downlink that the user equipment detects
Channel includes 4 layers, wherein the sequence of the channel quality of each layer from high to low are as follows: layer 2 >=layer 1 >=layer 4 >=layer 3.Using above-mentioned
Scheme, the port SRS 1~4 time shaft transmission sequence successively are as follows: the SRS- of the port SRS- 4 of SRS- > port 1 of port 2 >
The SRS of port 3, whereinFor SRS occupy RE,For idle RE.
Using above scheme, the user equipment can pass through timesharing in the case where not introducing additional overhead
The SRS of multiple ports is sent, the sequencing information of the channel quality of each layer of network side down channel is implicitly notified, so that network side
The SRS of the multiple port can be received in a manner of blind Detecting, to obtain the sequence of the channel quality of each layer of down channel
Information.
The embodiment of the invention also provides a kind of methods that network side obtains channel quality, as shown in figure 3, including following step
It is rapid:
S301 receives the SRS of multiple ports of UE timesharing transmission, wherein the transmission of each port SRS in a manner of blind Detecting
Sequence is consistent with the sequence of channel quality of each layer of down channel.
In specific implementation, network side can be in the case where not knowing multiport SRS transmission sequence, with the side of blind Detecting
Formula, receives the SRS of multiple ports, to obtain the sequence that UE sends the port of SRS.
S302, the transmission sequence of the port based on the SRS received, obtains the sequence of the channel quality of each layer of down channel
Information.
In specific implementation, it the transmission sequence of port of the network side based on the SRS received and makes an appointment with UE
The corresponding relationship of the transmission sequence and the sequence of the channel quality of each layer of down channel of the SRS of multiple ports, calculates and obtains downlink
The sequencing information of the channel quality of each layer of channel.
For example, in an embodiment of the present invention, network side and UE agreement: UE according to the channel quality of each layer of down channel from
High to Low sequence, the SRS of multiple ports is sent to network side timesharing, and the mark in middle layer and the mark of port are consistent.Then when
After network side obtains the transmission sequence of the port of SRS, the corresponding sequence of port-mark, as the channel matter of each layer of down channel
The sequence of amount from high to low.
To more fully understand those skilled in the art and implementing the present invention, the embodiment of the invention provides one kind can be real
The user equipment of the method for existing feedback channel quality described above, as shown in Figure 4.
Referring to fig. 4, the user equipment 40 includes: first acquisition unit 41 and transmission unit 42, in which:
The first acquisition unit 41 is suitable for obtaining the channel quality information of each layer according to down channel.
The transmission unit 42, suitable for sending the SRS of multiple ports to network side timesharing, wherein the transmission of each port SRS
Sequence is consistent with the sequence of channel quality of each layer of down channel, network side is received in a manner of blind Detecting described more
The SRS of a port, and obtain the sequencing information of the channel quality of each layer of down channel.
In an embodiment of the present invention, the transmission unit 42 may include: the first transmission sub-unit 421, be suitable for basis
The sequence of the channel quality of each layer of down channel from high to low, the SRS of multiple ports, the mark in middle layer are sent to network side timesharing
Know consistent with the mark of port.
In an embodiment of the present invention, the transmission unit 42 may include: the second transmission sub-unit 422, be suitable for basis
The sequence of the channel quality of each layer of down channel from low to high, the SRS of multiple ports, the mark in middle layer are sent to network side timesharing
Know consistent with the mark of port.
The embodiment of the invention also provides a kind of computer-readable mediums, are stored thereon with computer instruction, the calculating
The step that the correspondence of the method for feedback channel quality described above is executed when machine instruction operation, repeats no more.
The embodiment of the invention also provides a kind of user equipment, including memory and processor, stored on the memory
There is the computer instruction that can be run on the processor, the processor executes above-mentioned institute when running the computer instruction
Step corresponding to the method for feedback channel quality is stated, is repeated no more.
To more fully understand those skilled in the art and implementing the present invention, the embodiment of the invention provides one kind can be real
The base station of the existing method described above for obtaining channel quality, as shown in Figure 4.
Referring to Fig. 5, the base station 50 includes: receiving unit 51 and second acquisition unit 52, in which:
The receiving unit 51, the SRS of multiple ports suitable for receiving UE timesharing transmission in a manner of blind Detecting, wherein respectively
The transmission sequence of port SRS is consistent with the sequence of channel quality of each layer of down channel.
It is each to obtain down channel suitable for the transmission sequence of the port based on the SRS received for the second acquisition unit 52
The sequencing information of the channel quality of layer.
The embodiment of the invention also provides a kind of computer-readable mediums, are stored thereon with computer instruction, the calculating
Step corresponding to the method described above for obtaining channel quality is executed when machine instruction operation, is repeated no more.
The embodiment of the invention also provides a kind of base station, including memory and processor, energy is stored on the memory
Enough computer instructions run on the processor, the processor execute described above obtain when running the computer instruction
The step for taking the method for channel quality corresponding, repeats no more.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (12)
1. a kind of method of user equipment feedback channel quality characterized by comprising
The channel quality information of each layer is obtained according to down channel；
The SRS of multiple ports is sent to network side timesharing, wherein the letter of the transmission sequence and each layer of down channel of each port SRS
The sequence of road quality is consistent, enables network side to receive the SRS of the multiple port in a manner of blind Detecting, and obtain downlink
The sequencing information of the channel quality of each layer of channel.
2. the method for user equipment feedback channel quality according to claim 1, which is characterized in that described to network side point
When send the SRS of multiple ports
According to the sequence of the channel quality of each layer of down channel from high to low, the SRS of multiple ports is sent to network side timesharing,
The mark in middle layer and the mark of port are consistent.
3. the method for user equipment feedback channel quality according to claim 1, which is characterized in that described to network side point
When send the SRS of multiple ports
According to the sequence of the channel quality of each layer of down channel from low to high, the SRS of multiple ports is sent to network side timesharing,
The mark in middle layer and the mark of port are consistent.
4. a kind of method that network side obtains channel quality characterized by comprising
The SRS of multiple ports of UE timesharing transmission is received in a manner of blind Detecting, wherein the transmission sequence and downlink of each port SRS
The sequence of the channel quality of each layer of channel is consistent；
The transmission sequence of port based on the SRS received, obtains the sequencing information of the channel quality of each layer of down channel.
5. a kind of user equipment characterized by comprising
First acquisition unit, suitable for obtaining the channel quality information of each layer according to down channel；
Transmission unit, suitable for sending the SRS of multiple ports to network side timesharing, wherein the transmission sequence and downlink of each port SRS
The sequence of the channel quality of each layer of channel is consistent, and network side is enabled to receive the multiple port in a manner of blind Detecting
SRS, and obtain the sequencing information of the channel quality of each layer of down channel.
6. user equipment according to claim 5, which is characterized in that the transmission unit includes:
First transmission sub-unit, suitable for the sequence according to the channel quality of each layer of down channel from high to low, to network side timesharing
The SRS of multiple ports is sent, the mark in middle layer and the mark of port are consistent.
7. user equipment according to claim 5, which is characterized in that the transmission unit includes:
Second transmission sub-unit, suitable for the sequence according to the channel quality of each layer of down channel from low to high, to network side timesharing
The SRS of multiple ports is sent, the mark in middle layer and the mark of port are consistent.
8. a kind of base station characterized by comprising
Receiving unit, the SRS of multiple ports suitable for receiving UE timesharing transmission in a manner of blind Detecting, wherein each port SRS
Transmission sequence is consistent with the sequence of channel quality of each layer of down channel；
Second acquisition unit obtains the channel matter of each layer of down channel suitable for the transmission sequence of the port based on the SRS received
The sequencing information of amount.
9. a kind of computer-readable medium, is stored thereon with computer instruction, which is characterized in that when the computer instruction is run
The step that perform claim requires any one of 1 to 3 the method corresponding.
10. a kind of computer-readable medium, is stored thereon with computer instruction, which is characterized in that the computer instruction operation
When perform claim require step corresponding to 4 the methods.
11. a kind of user equipment, which is characterized in that including memory and processor, being stored on the memory can be in institute
The computer instruction run on processor is stated, perform claim requirement 1 to 3 is any when the processor runs the computer instruction
Step corresponding to item the method.
12. a kind of base station, which is characterized in that including memory and processor, being stored on the memory can be at the place
The computer instruction run on reason device, perform claim requires 4 the methods pair when the processor runs the computer instruction
The step of answering.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689540.9A CN109391314B (en) | 2017-08-11 | 2017-08-11 | Method for feeding back and obtaining channel quality, user equipment, base station and readable medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710689540.9A CN109391314B (en) | 2017-08-11 | 2017-08-11 | Method for feeding back and obtaining channel quality, user equipment, base station and readable medium |
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| CN109391314A true CN109391314A (en) | 2019-02-26 |
| CN109391314B CN109391314B (en) | 2021-08-27 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457911A (en) * | 2010-10-26 | 2012-05-16 | 普天信息技术研究院有限公司 | Method and device for sending uplink sounding reference signal |
| WO2012108643A2 (en) * | 2011-02-09 | 2012-08-16 | Pantech Co., Ltd. | Apparatus and method for transmitting uplink signal in multiple component carrier system |
| WO2013049962A1 (en) * | 2011-10-08 | 2013-04-11 | Huawei Technologies Co., Ltd. | Sounding reference signal transmission |
| CN103069893A (en) * | 2010-08-12 | 2013-04-24 | 三星电子株式会社 | Apparatus and method for transmission of uplink sounding reference signals in a wireless network |
| CN103490872A (en) * | 2008-06-20 | 2014-01-01 | 三星电子株式会社 | Apparatus and method for transmission of sounding reference signal in uplink wireless communication systems with multiple antennas and sounding reference signal hopping |
| CN106160924A (en) * | 2015-04-07 | 2016-11-23 | 中国移动通信集团公司 | A kind of method of information feedback, device, terminal and base station |
| CN106817154A (en) * | 2015-11-30 | 2017-06-09 | 展讯通信（上海）有限公司 | Base station and information feedback control method |
-
2017
- 2017-08-11 CN CN201710689540.9A patent/CN109391314B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490872A (en) * | 2008-06-20 | 2014-01-01 | 三星电子株式会社 | Apparatus and method for transmission of sounding reference signal in uplink wireless communication systems with multiple antennas and sounding reference signal hopping |
| CN103069893A (en) * | 2010-08-12 | 2013-04-24 | 三星电子株式会社 | Apparatus and method for transmission of uplink sounding reference signals in a wireless network |
| CN102457911A (en) * | 2010-10-26 | 2012-05-16 | 普天信息技术研究院有限公司 | Method and device for sending uplink sounding reference signal |
| WO2012108643A2 (en) * | 2011-02-09 | 2012-08-16 | Pantech Co., Ltd. | Apparatus and method for transmitting uplink signal in multiple component carrier system |
| WO2013049962A1 (en) * | 2011-10-08 | 2013-04-11 | Huawei Technologies Co., Ltd. | Sounding reference signal transmission |
| CN106160924A (en) * | 2015-04-07 | 2016-11-23 | 中国移动通信集团公司 | A kind of method of information feedback, device, terminal and base station |
| CN106817154A (en) * | 2015-11-30 | 2017-06-09 | 展讯通信（上海）有限公司 | Base station and information feedback control method |
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