CN107294648A - A kind of method and device of transmitting channel state information reference signal - Google Patents
A kind of method and device of transmitting channel state information reference signal Download PDFInfo
- Publication number
- CN107294648A CN107294648A CN201610204552.3A CN201610204552A CN107294648A CN 107294648 A CN107294648 A CN 107294648A CN 201610204552 A CN201610204552 A CN 201610204552A CN 107294648 A CN107294648 A CN 107294648A
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- China
- Prior art keywords
- csi
- subframe
- transmitting
- resource particle
- resource
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- 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
Abstract
The present invention provides a kind of method and device of transmitting channel state information reference signal, and wherein method includes：It is determined that for the resource particle for being used to transmit CSI RS in transmitting channel state information reference signal CSI RS subframe and subframe；The configuration information of resource particle in subframe and subframe for transmitting CSI RS for transmitting CSI RS is sent to terminal；According to configuration information in the resource particle in the subframe for transmitting CSI RS to terminal transmission CSI RS.The resource particle of transmission CSI RS in subframe and subframe of the embodiment of the present invention by determining transmission CSI RS, and into terminal transmission CSI RS subframe and subframe for the configuration information for the resource particle for transmitting CSI RS, according to configuration information to terminal transmission CSI RS, CSI RS covering performance can be ensured, the usage experience of user is improved.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of side of transmitting channel state information reference signal
Method and device.
Background technology
At present, maximum can support 16 ports in LTE (Long Term Evolution, Long Term Evolution)
CSI-RS (Channel State Information Reference Signal, channel state information reference signals),
When base station, which is used, is more than 16 antenna ports (such as 32/64 antenna port), without corresponding 32/64 end
The CSI-RS of mouth, it is impossible to realize 32/64 antenna transmission.
The content of the invention
The purpose of the embodiment of the present invention be a kind of method that transmitting channel state information reference signal is provided and
Device, it is intended to the problem of solution can not be supported to transmit more than 16 antenna ports in the prior art.
The embodiment of the present invention provides a kind of method of transmitting channel state information reference signal, and methods described includes：
It is determined that for being used to transmit in transmitting channel state information reference signal CSI-RS subframe and subframe
CSI-RS resource particle；
The resource particle for being used to transmit CSI-RS in subframe and subframe for transmitting CSI-RS is matched somebody with somebody
Confidence breath is sent to terminal；
According to the configuration information, to the end in the resource particle in the subframe for transmitting CSI-RS
The end transmission CSI-RS.
Wherein, the subframe and subframe determined for transmitting channel state information reference signal CSI-RS
In be used for transmit CSI-RS resource particle the step of include：
Within the time domain cycle that signal is transmitted, it is determined that subframe of the default subframe as transmission CSI-RS, wherein
Transmitting CSI-RS subframe includes M row subcarriers, and often row subcarrier includes N number of resource particle；
Resource particle for transmitting CSI-RS will be defined as carrying out the resource particle of business transmission.
Wherein, the money for transmitting CSI-RS is used in the subframe and subframe by for transmitting CSI-RS
The step of configuration information of source particle is sent to terminal includes：
It will be used to transmit in first of the subframe for transmitting CSI-RS the default identification information and subframe
The default identification information of the second of CSI-RS resource particle is sent to the terminal as configuration information.
Wherein, used in the first of the subframe by for transmitting CSI-RS the default identification information and subframe
Sent in the second default identification information of transmission CSI-RS resource particle as configuration information to the terminal
The step of include：
By the described first default identification information and the second pre- bidding on the port for transmitting CSI-RS
Know information to send to the receiving terminal of the receive information under port.
The embodiment of the present invention also provides a kind of method of transmitting channel state information reference signal, methods described bag
Include：
Receive is used to transmit CSI-RS's in the subframe and subframe for transmitting CSI-RS that base station is sent
The configuration information of resource particle；
The base station is received according to the configuration information and passes through the resource grains in the subframe for transmitting CSI-RS
The CSI-RS that son is sent.
Wherein, it is used to transmit in the subframe and subframe for transmitting CSI-RS that the reception base station is sent
The step of configuration information of CSI-RS resource particle, includes：
Receive the subframe for transmitting CSI-RS as configuration information that the base station is sent first is preset
It is used for the second default identification information for transmitting CSI-RS resource particle in identification information and subframe.
Wherein, it is described to receive the subframe for being used to transmit CSI-RS as configuration information that the base station is sent
The first default identification information and subframe in be used for the second default mark letter for transmitting CSI-RS resource particle
The step of breath, includes：
Receive that the base station transmits on the port for transmitting CSI-RS as described the of configuration information
One default identification information and the second default identification information.
The embodiment of the present invention also provides a kind of device of transmitting channel state information reference signal, described device bag
Include：
Determining module, for determine for transmitting channel state information reference signal CSI-RS subframe and
It is used for the resource particle for transmitting CSI-RS in subframe；
Sending module, for that will be used to transmit CSI-RS in the subframe and subframe for transmitting CSI-RS
The configuration information of resource particle be sent to terminal；
Transport module, for according to the configuration information, the resource in the subframe for transmitting CSI-RS
To CSI-RS described in the terminal transmission on particle.
Wherein, the determining module includes：
First submodule, within the time domain cycle that signal is transmitted, it is determined that default subframe is used as transmission
CSI-RS subframe, wherein transmission CSI-RS subframe includes M row subcarriers, often row subcarrier includes
N number of resource particle；
Second submodule, for that will be defined as being used to transmit for carrying out the resource particle of business transmission
CSI-RS resource particle.
Wherein, the sending module is further used for：
It will be used to transmit in first of the subframe for transmitting CSI-RS the default identification information and subframe
The default identification information of the second of CSI-RS resource particle is sent to the terminal as configuration information.
Wherein, the sending module is further used for：
By the described first default identification information and the second pre- bidding on the port for transmitting CSI-RS
Know information to send to the receiving terminal of the receive information under port.
The embodiment of the present invention also provides a kind of device of transmitting channel state information reference signal, described device bag
Include：
In first receiving module, the subframe and subframe for transmitting CSI-RS for receiving base station transmission
For the configuration information for the resource particle for transmitting CSI-RS；
Second receiving module, passes through for transmitting for receiving the base station according to the configuration information
The CSI-RS that resource particle in CSI-RS subframe is sent.
Wherein, first receiving module is further used for：
Receive the subframe for transmitting CSI-RS as configuration information that the base station is sent first is preset
It is used for the second default identification information for transmitting CSI-RS resource particle in identification information and subframe.
Wherein, first receiving module is further used for：
Receive that the base station transmits on the port for transmitting CSI-RS as described the of configuration information
One default identification information and the second default identification information.
Above-mentioned technical proposal of the embodiment of the present invention has the beneficial effect that：
In the present invention program, by determining to transmit the transmission CSI-RS in CSI-RS subframe and subframe
Resource particle, be used to transmit CSI-RS resource into terminal transmission CSI-RS subframe and subframe
The configuration information of particle, according to configuration information in the resource particle in the subframe for transmitting CSI-RS to
Terminal transmission CSI-RS, can configure different types of antenna port transmission CSI-RS, it is ensured that CSI-RS
Covering performance, improve user usage experience.Solution can not be supported to be more than 16 antenna ends in the prior art
The problem of port transmission.
Brief description of the drawings
Fig. 1 is the method schematic diagram of the transmitting channel state information reference signal of the embodiment of the present invention one；
Fig. 2 is the method schematic diagram of the transmitting channel state information reference signal of the embodiment of the present invention two；
Resource particle schematic diagram one in subframe and subframe that Fig. 3 is transmission of embodiment of the present invention CSI-RS；
Resource particle schematic diagram two in subframe and subframe that Fig. 4 is transmission of embodiment of the present invention CSI-RS；
Resource particle schematic diagram three in subframe and subframe that Fig. 5 is transmission of embodiment of the present invention CSI-RS；
Resource particle schematic diagram four in subframe and subframe that Fig. 6 is transmission of embodiment of the present invention CSI-RS；
Resource particle schematic diagram five in subframe and subframe that Fig. 7 is transmission of embodiment of the present invention CSI-RS；
Fig. 8 is the method schematic diagram of the transmitting channel state information reference signal of the embodiment of the present invention three；
Fig. 9 is the schematic device one of transmitting channel state information reference signal of the embodiment of the present invention；
Figure 10 is the schematic device two of transmitting channel state information reference signal of the embodiment of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
Embodiment one
As shown in figure 1, a kind of transmitting channel state information reference signal provided for the embodiment of the present invention one
Method schematic diagram, applied to base station, including：
Step 101, determine subframe and subframe for transmitting channel state information reference signal CSI-RS
In be used to transmit CSI-RS resource particle.
Within the time domain cycle that signal is transmitted, it is determined that for transmitting CSI-RS subframe, and be currently used in
Transmitting is used for the resource particle for transmitting CSI-RS in CSI-RS subframe.It should be noted that a son
Multiple resource particles are included in frame, but are not that each resource particle may serve to transmit CSI-RS,
Need to determine the resource particle for transmitting CSI-RS in the subframe for being currently used in transmission CSI-RS.
Step 102, it will be used to transmit CSI-RS resource in the subframe and subframe for transmitting CSI-RS
The configuration information of particle is sent to terminal.
After it is determined that being used to transmit CSI-RS resource particle in transmission CSI-RS subframe and subframe,
By determination be used for transmit CSI-RS subframe configuration information and determination be used for transmit CSI-RS's
The configuration information of resource particle for being used to transmit CSI-RS in subframe is sent to terminal so that terminal is according to obtaining
The configuration information taken carries out relevant configuration, and then can receive the relevant information of base station transmission.
Step 103, according to configuration information, in the resource particle in the subframe for transmitting CSI-RS to
Terminal transmission CSI-RS.
When base station sends CSI-RS to end side, it is necessary to being used in subframe by transmitting CSI-RS
CSI-RS resource particle is transmitted to terminal transmission CSI-RS.According in the subframe for transmitting CSI-RS
Comprising be used for transmit CSI-RS resource particle and determine different antenna ports so that base station and terminal
Between can using configuration respective antenna port carry out data transmission.The antenna port wherein configured is at least
Including：24 antenna ports, 32 antenna ports and 64 antenna ports.
Terminal is used to transmit CSI-RS according in the subframe and subframe for transmitting CSI-RS received
Resource particle configuration information, carry out relevant configuration after, can receive base station transmission CSI-RS son
The CSI-RS transmitted in resource particle in frame.
The embodiment of the present invention is by determining to transmit the transmission CSI-RS's in CSI-RS subframe and subframe
Resource particle, the resource grains for transmitting CSI-RS are used for into terminal transmission CSI-RS subframe and subframe
Son configuration information, according to configuration information in the resource particle in the subframe for transmitting CSI-RS to end
End transmission CSI-RS, can configure different types of antenna port transmission CSI-RS, it is ensured that CSI-RS's
Covering performance, improves the usage experience of user.Solution can not be supported to be more than 16 antenna ports in the prior art
The problem of transmission.
Embodiment two
As shown in Fig. 2 a kind of transmitting channel state information reference signal provided for the embodiment of the present invention two
Method schematic diagram, applied to base station, including：
Step 201, within the time domain cycle that signal is transmitted, it is determined that default subframe is used as transmission CSI-RS's
Subframe, wherein transmission CSI-RS subframe includes M row subcarriers, often row subcarrier includes N number of resource
Particle.
Firstly the need of within the time domain cycle, it is determined that CSI-RS subframe is transmitted, wherein transmitting CSI-RS's
Subframe is default subframe, and default subframe can be periodic distribution or use aperiodic distribution
What mode was determined, the subframe of a transmission CSI-RS is for example determined every 10ms, transmission CSI-RS now
Subframe for period profile.It can be first when the subframe for transmitting CSI-RS is aperiodic distribution
A length of 5ms, second during the interval of the subframe and second transmission CSI-RS subframe of transmitting CSI-RS
A length of 6ms, the 3rd during the interval of the subframe and the 3rd transmission CSI-RS subframe of transmitting CSI-RS
A length of 9ms during the interval of the subframe and the 4th transmission CSI-RS subframe of transmitting CSI-RS.
Wherein, transmission CSI-RS subframe includes M row subcarriers, and often row subcarrier includes N number of resource
Particle.The corresponding duration of one subframe can be 1ms, a PRB (Physical Resource Block, physics
Resource block) correspondence time domain on a subframe and frequency domain on 12 subcarriers.It can be wrapped in one subframe
Include 14 OFDM (Orthogonal Frequency Division Multiplexing, OFDM)
Sign resources.Each subcarrier includes 14 resource particles, and each OFDM symbol resource is included with for the moment
12 resource particles in gap.Accordingly in a subframe, the number of resource particle is 168 in PRB.
Step 202, money for transmitting CSI-RS will be defined as carrying out the resource particle of business transmission
Source particle.
It is determined that after transmission CSI-RS subframe, it is thus necessary to determine that be used to transmit in transmission CSI-RS subframe
CSI-RS resource particle.When a subframe includes 14 time slots, each time slot correspondence one OFDM symbols
Number resource, therefore a subframe includes 14 OFDM symbol resources, each OFDM symbol resource bag
Include 12 resource particles in same time slot.Can be by determining that OFDM symbol resource is transmission CSI-RS
The modes of sign resources further determine that the resource particle for transmitting CSI-RS.
Determine that the mode that OFDM symbol resource is the sign resources for transmitting CSI-RS is：
In current transmission CSI-RS subframe, it is determined that the OFDM symbol resource for carrying out business transmission
To transmit CSI-RS sign resources.Wherein, in a subframe and not all OFDM symbol resource
For business transmission, there is part OFDM symbol resource is the OFDM symbol for transmitting other information
Resource.Need the OFDM symbol resource for determining to transmit for business in multiple OFDM symbol resources.
When the preceding first OFDM symbol resource that sort is the OFDM symbol for transmitting other information
Resource, when other OFDM symbol resources are the OFDM symbol resource that business is transmitted, for current son
Frame, in addition to first OFDM symbol resource, using other 13 OFDM symbol resources as
Transmit CSI-RS sign resources.It regard the resource particle in this 13 OFDM symbol resources as transmission
CSI-RS resource particle.
When it is determined that first and second OFDM symbol resource are to be accorded with for transmitting the OFDM of other information
Number resource, when other OFDM symbol resources are the OFDM symbol resource that business is transmitted, for current
Subframe, in addition to first and second OFDM symbol resource, other 12 OFDM symbols are provided
Source is used as the sign resources for transmitting CSI-RS.By the resource grains in this 12 OFDM symbol resources
Son is used as the resource particle for transmitting CSI-RS.
When it is determined that first, second and the 3rd OFDM symbol resource is for transmitting other information
OFDM symbol resource, when other OFDM symbol resources are the OFDM symbol resource that business is transmitted,
For present sub-frame, in addition to first, second and the 3rd OFDM symbol resource, by others 11
Individual OFDM symbol resource is used as the sign resources for transmitting CSI-RS.By this 11 OFDM symbols
Resource particle in resource is used as the resource particle for transmitting CSI-RS.
It should be noted that under normal circumstances, the OFDM symbol resource of transmission other information comes forward
Position.Citing in the present embodiment is arranged in a subframe with the OFDM symbol resource for transmitting other information
In forward position illustrate.
The embodiment of the present invention it is set forth below using determine first and second OFDM symbol resource as
The OFDM symbol resource of other information is transmitted, other 12 OFDM symbol resources are for transmitting
Illustrated exemplified by CSI-RS sign resources.Resource grains wherein in this 12 OFDM symbol resources
Son is transmission CSI-RS resource particle.
It is determined that transmission CSI-RS resource particle after, can it is determined that resource particle in choose present count
Purpose resource particle, corresponding antenna port is configured according to the resource particle of preset number.For example in configuration
During 32 antenna port, 32 resource particles can be selected in the PRB of present sub-frame.This 32 resources
Particle can be continuously arranged or dispersed arrangement., can when using continuously arranged mode
To select continuous 4 row in PRB, 8 resource particles of selection constitute 32 resource particles in every a line.
Specifically, selecting in each row during 8 resource particles, it is necessary to exclude first resource particle and the
Two resource particles.Fig. 3 includes Three models, in pattern for the moment, selects continuous the first row, second
Row, the third line and fourth line, select the 3rd to the tenth resource particle to constitute 32 resource grains in every row
Son.In pattern two, continuous fifth line, the 6th row, the 7th row and the 8th row are selected, is selected in every row
Select the 7th to the 14th resource particle and constitute 32 resource particles.In pattern three, continuous the is selected
Nine rows, the tenth row, the tenth a line and the 12nd row, select the 3rd to the tenth resource grains subgroup in every row
Into 32 resource particles.
When using continuously arranged mode, continuous 8 row can also be selected in PRB, in every a line
4 resource particles of selection constitute 32 resource particles.Fig. 4 includes Three models, in pattern for the moment,
Select continuous the first row, the second row, the third line, fourth line, fifth line, the 6th row, the 7th row and
Eight rows, select the 3rd to the 6th resource particle to constitute 32 resource particles in every row.In pattern two,
Select continuous fifth line, the 6th row, the 7th row, the 8th row, the 9th row, the tenth row, the tenth a line and
12nd row, selects the 7th to the tenth resource particle to constitute 32 resource particles in every row.In pattern
When three, continuous the third line, fourth line, fifth line, the 6th row, the 7th row, the 8th row, the 9th are selected
Row and the tenth row, select the 11st to the 14th resource particle to constitute 32 resource particles in every row.
When using scattered arrangement mode, can select in odd-numbered line the 3rd row, the 5th row, the 7th arrange,
Resource particle in 9th row, the 11st row and the 13rd row, selects the 4th row, the 6th in even number line
Row, the 8th row, the tenth row, the 12nd row and the 14th resource particle arranged.For example：The first row,
The row of selection the 3rd, the 5th row, the 7th row, the 9th row, the 11st row and the in the third line and fifth line
Resource particle in 13 row, constitutes 18 resource particles；Select the 4th to arrange in the second row, fourth line,
Resource particle in 6th row, the 8th row, the tenth row, the 12nd row and the 14th row, constitutes 12
Resource particle, finally the row of selection the 4th, 2 resource particles of the 6th row in the 6th row, final to constitute
32 resource particles.
32 resource particles can also be arbitrarily chosen in 144 resource particles for transmitting CSI-RS.
For example when configuring 64 antenna port, 64 resource grains can be selected in the PRB of present sub-frame
Son.This 64 resource particles can be continuously arranged or dispersed arrangement.When using continuous
During the mode of arrangement, continuous 16 row can be selected in PRB, 4 resource particles are selected in every a line
Constitute 64 resource particles.Because a PRB there are 12 rows, now need to determine 16 in two PRB
OK.
Continuous 16 row is selected in PRB, 4 resource particles of selection constitute 64 resources in every a line
, it is necessary to exclude first resource particle and second resource particle in 16 rows per a line during particle.Fig. 5
Include Three models, in pattern for the moment, select continuous the first row, the second row, the third line, fourth line,
Fifth line, the 6th row, the 7th row, the 8th row, the 9th row, the tenth row, the tenth a line, the 12nd row,
13rd row, Ariadne, the tenth five-element, the 16th row, select the 3rd to the 6th resource in every row
Particle constitutes 64 resource particles.In pattern two, select continuous the third line, fourth line, fifth line,
6th row, the 7th row, the 8th row, the 9th row, the tenth row, the tenth a line, the 12nd row, the 13rd row,
Ariadne, the tenth five-element, the 16th row, the 17th row, the 18th row, in every row select the 7th to
Tenth resource particle constitutes 64 resource particles.In pattern three, continuous 9th row, the tenth are selected
Row, the tenth a line, the 12nd row, the 13rd row, Ariadne, the tenth five-element, the 16th row, the tenth
Seven rows, the 18th row, the 19th row, the 20th row, the 20th a line, the 22nd row, the 23rd
Row, the second Ariadne, select the 11st to the 14th resource particle to constitute 64 resource grains in every row
Son.
When using continuously arranged mode, continuous 8 row can also be selected in PRB, in every a line
8 resource particles of selection constitute 64 resource particles.
As shown in fig. 6, selecting continuous the first row, the second row, the third line, fourth line, fifth line,
Six rows, the 7th row, the 8th row, select the 3rd to the tenth resource particle to constitute 64 resources in every row
Particle.When being spliced using two PRB, it may be determined that more combinations, as shown in fig. 7,
Including Three models.In pattern for the moment, select continuous the first row, the second row, the third line, fourth line,
Fifth line, the 6th row, the 7th row, the 8th row, select the 3rd to the tenth resource particle composition in every row
64 resource particles.In pattern two, continuous 9th row, the tenth row, the tenth a line, the tenth are selected
Two rows, the 13rd row, Ariadne, the tenth five-element, the 16th row, select the 7th to the tenth in every row
Four resource particles constitute 64 resource particles.In pattern three, continuous 17th row, the tenth are selected
Eight rows, the 19th row, the 20th row, the 20th a line, the 22nd row, the 23rd row, the 20th
Four rows, select the 5th to the 12nd resource particle to constitute 64 resource particles in every row.
When using scattered arrangement mode, can select in odd-numbered line the 3rd row, the 5th row, the 7th arrange,
Resource particle in 9th row, the 11st row and the 13rd row, selects the 4th row, the 6th in even number line
Row, the 8th row, the tenth row, the 12nd row and the 14th resource particle arranged.For example：The first row,
In the third line, fifth line, the 7th row and the 9th row selection the 3rd row, the 5th row, the 7th row, the 9th row,
Resource particle in 11st row and the 13rd row, constitutes 30 resource particles；In the second row, the 4th
The row of selection the 4th, the 6th row, the 8th row, the tenth row, the in row, the 6th row, the 8th row and the tenth row
Resource particle in 12 row and the 14th row, constitutes 30 resource particles, finally in the tenth a line
The 3rd row, the 5th row, the 7th row, 4 resource particles of the 9th row are selected, finally 64 resources of composition
Particle.
Can also arbitrarily it be selected in available 144 of the PRB resource particles for being used to transmitting CSI-RS
64 resource particles are taken, or are chosen using spaced mode.It should be noted that resource particle
Selection mode have a variety of, it is not limited to these cited by the embodiment of the present invention, those skilled in the art
Resource particle can be selected in different ways according to demand.
Under normal circumstances, when in order to ensure that resource particle is fully utilized, two or more can be used
PRB is spliced, to ensure effective utilization of resource particle.For example：Available resource in current PRB
Particle is 144, and 4 group of 32 antenna can be determined in 32 antenna ports, current PRB if realizing
Port, remaining 16 resource particles.Spliced according to two PRB, then can determine 9 group 32
Antenna port, it is ensured that effective utilization of resource particle.
Step 203, it will be used in first of the subframe for transmitting CSI-RS the default identification information and subframe
Sent in the second default identification information of transmission CSI-RS resource particle as configuration information to terminal.
Specifically, will be marked for the subframe for transmitting CSI-RS using the first default mark, it will be used for
Transmission CSI-RS resource particle is marked using the second default mark, then will be used to transmit CSI-RS
Subframe the first default identification information and for the second default mark letter of the resource particle for transmitting CSI-RS
Breath is transferred to terminal as configuration information.Terminal can be configured accordingly after configuration information is received,
And then CSI-RS transmission can be carried out between base station.
For example：It will be marked for the subframe for transmitting CSI-RS using multicast single frequency network, will be used to pass
The resource particle for being used to transmit CSI-RS in defeated CSI-RS subframe is marked using multicast single frequency network.
Now, the first default mark is identical with the second default mark.Then the identification information of multicast single frequency network is sent out
Terminal is delivered to, now can recognize that the terminal of multicast single frequency network mark can receive and parse through multicast single frequency network
Identification information, terminal carries out corresponding configuration after the identification information of multicast single frequency network and parsing is received,
Allow and carry out CSI-RS transmission with the terminal postponed and base station.
Further, in transmission of configuration information, it is necessary to by first on the port for transmitting CSI-RS
Default identification information and the second default identification information are sent to the receiving terminal of the receive information under port.Match somebody with somebody
Confidence breath needs the port transmission by determining, wherein being provided with the receiving terminal with port match in advance, connects
Configuration information can be obtained by port by receiving terminal.
Step 204, according to configuration information, in the resource particle in the subframe for transmitting CSI-RS to
Terminal transmission CSI-RS.
When base station sends CSI-RS to end side, it is necessary to resource in subframe by transmitting CSI-RS
Particle is to terminal transmission CSI-RS.Terminal is according to the subframe and subframe that are used to transmit CSI-RS received
In resource particle configuration information, carry out after relevant configuration, base station can be received in transmission CSI-RS
The CSI-RS transmitted in resource particle in subframe.
The embodiment of the present invention is by determining to transmit the transmission CSI-RS's in CSI-RS subframe and subframe
Resource particle, the resource grains for transmitting CSI-RS are used for into terminal transmission CSI-RS subframe and subframe
Son configuration information, according to configuration information in the resource particle in the subframe for transmitting CSI-RS to end
End transmission CSI-RS, can configure different types of antenna port transmission CSI-RS, it is ensured that CSI-RS's
Covering performance, improves the usage experience of user.Solution can not be supported to be more than 16 antenna ports in the prior art
The problem of transmission.
Embodiment three
As shown in figure 8, a kind of transmitting channel state information reference signal provided for the embodiment of the present invention three
Method schematic diagram, applied to terminal, including：
It is used to transmit in the subframe and subframe for transmitting CSI-RS that step 301, reception base station are sent
The configuration information of CSI-RS resource particle；
Step 302, according to configuration information receive base station pass through the resource in the subframe for transmitting CSI-RS
The CSI-RS that particle is sent.
Terminal is received to be used to transmit CSI-RS in the subframe and subframe for transmitting CSI-RS that base station is sent
Resource particle configuration information, wherein configuration information includes being used for the first pre- of the subframe for transmitting CSI-RS
If being used for the second default identification information for transmitting CSI-RS resource particle in identification information and subframe.
And the current terminal for receiving configuration information needs to receive configuration information, base station and terminal by antenna port
Between when being provided with port corresponding relation, i.e. base station in advance by port send configuration information, held accordingly
Mouth is arranged with the receiving terminal of matching.
Terminal can accordingly be configured after configuration information is received according to configuration information, then by matching somebody with somebody
The terminal postponed can carry out CSI-RS communication with base station, receive the CSI-RS that base station is sent.
The present invention is by obtaining the configuration information that base station is sent by the antenna port configured, according to configuration information
Carry out after relevant configuration, receive the CSI-RS that base station is sent, it is ensured that CSI-RS covering performance, carry
The usage experience of high user, the problem of solution can not be supported to transmit more than 16 antenna ports in the prior art.
Example IV
A kind of device of the transmitting channel state information reference signal provided below for the embodiment of the present invention four is real
Apply example.Wherein the embodiment of device belongs in same design, device embodiment not with above-mentioned embodiment of the method
The detail content of detailed description, may be referred to above method embodiment.
The device of the transmitting channel state information reference signal of base station side is wherein applied to, as shown in figure 9, bag
Include：
Determining module 10, for determine for transmitting channel state information reference signal CSI-RS subframe with
And be used to transmit CSI-RS resource particle in subframe；
Sending module 20, for that will be used to transmit CSI-RS in the subframe and subframe for transmitting CSI-RS
The configuration information of resource particle be sent to terminal；
Transport module 30, for according to configuration information, the resource grains in the subframe for transmitting CSI-RS
To terminal transmission CSI-RS on son.
Wherein it is determined that module 10 includes：
First submodule 11, within the time domain cycle that signal is transmitted, it is determined that default subframe is used as transmission
CSI-RS subframe, wherein transmission CSI-RS subframe includes M row subcarriers, often row subcarrier includes
N number of resource particle；
Second submodule 12, for that will be defined as being used to transmit for carrying out the resource particle of business transmission
CSI-RS resource particle.
Wherein, sending module 20 is further used for：
It will be used to transmit in first of the subframe for transmitting CSI-RS the default identification information and subframe
The default identification information of the second of CSI-RS resource particle is sent to terminal as configuration information.
Wherein, sending module 20 is further used for：
By the first default identification information and the second default identification information hair on the port for transmitting CSI-RS
Deliver to the receiving terminal of the receive information under port.
The device of the transmitting channel state information reference signal of end side is wherein applied to, as shown in Figure 10,
Including：
First receiving module 40, the subframe and subframe that are used to transmit CSI-RS for receiving base station transmission
In be used for transmit CSI-RS resource particle configuration information；
Second receiving module 50, the son for transmitting CSI-RS is passed through for receiving base station according to configuration information
The CSI-RS that resource particle in frame is sent.
Wherein, the first receiving module 40 is further used for：
Receive the first default mark for being used to transmit CSI-RS subframe as configuration information that base station is sent
It is used for the second default identification information for transmitting CSI-RS resource particle in information and subframe.
Wherein, the first receiving module 40 is further used for：
Receive the first pre- bidding as configuration information that base station is transmitted on the port for transmitting CSI-RS
Know information and the second default identification information.
The device of the transmitting channel state information reference signal of the embodiment of the present invention, determines to pass by above-mentioned module
The resource particle of transmission CSI-RS in defeated CSI-RS subframe and subframe, to terminal transmission CSI-RS
Subframe and subframe in be used for transmit CSI-RS resource particle configuration information, terminal according to match somebody with somebody confidence
Breath receives the CSI-RS, Ke Yishi that base station is transmitted in the resource particle in the subframe for transmitting CSI-RS
Now configure different types of antenna port transmission CSI-RS, it is ensured that CSI-RS covering performance, improve user
Usage experience.The problem of solution can not be supported to transmit more than 16 antenna ports in the prior art.
It should be noted that the device of transmitting channel state information reference signal provided in an embodiment of the present invention is
Using the device of the above method, then all embodiments of the above method are applied to the device, and can reach
Same or analogous beneficial effect.
Described above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (14)
1. a kind of method of transmitting channel state information reference signal, it is characterised in that methods described includes：
It is determined that for being used to transmit in transmitting channel state information reference signal CSI-RS subframe and subframe
CSI-RS resource particle；
The resource particle for being used to transmit CSI-RS in subframe and subframe for transmitting CSI-RS is matched somebody with somebody
Confidence breath is sent to terminal；
According to the configuration information, to the end in the resource particle in the subframe for transmitting CSI-RS
The end transmission CSI-RS.
2. the method for transmitting channel state information reference signal according to claim 1, its feature exists
In described to determine to be used in subframe and subframe for transmitting channel state information reference signal CSI-RS
The step of resource particle for transmitting CSI-RS, includes：
Within the time domain cycle that signal is transmitted, it is determined that subframe of the default subframe as transmission CSI-RS, wherein
Transmitting CSI-RS subframe includes M row subcarriers, and often row subcarrier includes N number of resource particle；
Resource particle for transmitting CSI-RS will be defined as carrying out the resource particle of business transmission.
3. the method for transmitting channel state information reference signal according to claim 1, its feature exists
In being used to transmit CSI-RS resource particle in the subframe and subframe by for transmitting CSI-RS
Configuration information include the step of be sent to terminal：
It will be used to transmit in first of the subframe for transmitting CSI-RS the default identification information and subframe
The default identification information of the second of CSI-RS resource particle is sent to the terminal as configuration information.
4. the method for transmitting channel state information reference signal according to claim 3, its feature exists
In for transmitting in the first default identification information and subframe of the subframe by for transmitting CSI-RS
The step of default identification information of the second of CSI-RS resource particle is sent to the terminal as configuration information
Including：
By the described first default identification information and the second pre- bidding on the port for transmitting CSI-RS
Know information to send to the receiving terminal of the receive information under port.
5. a kind of method of transmitting channel state information reference signal, it is characterised in that methods described includes：
Receive is used to transmit CSI-RS's in the subframe and subframe for transmitting CSI-RS that base station is sent
The configuration information of resource particle；
The base station is received according to the configuration information and passes through the resource grains in the subframe for transmitting CSI-RS
The CSI-RS that son is sent.
6. the method for transmitting channel state information reference signal according to claim 5, its feature exists
In for transmitting CSI-RS in the subframe and subframe for transmitting CSI-RS that the reception base station is sent
Resource particle configuration information the step of include：
Receive the subframe for transmitting CSI-RS as configuration information that the base station is sent first is preset
It is used for the second default identification information for transmitting CSI-RS resource particle in identification information and subframe.
7. the method for transmitting channel state information reference signal according to claim 6, its feature exists
In described to receive the first of the subframe for transmitting CSI-RS as configuration information that the base station is sent
It is used for the step of the second default identification information for transmitting CSI-RS resource particle in default identification information and subframe
Suddenly include：
Receive that the base station transmits on the port for transmitting CSI-RS as described the of configuration information
One default identification information and the second default identification information.
8. a kind of device of transmitting channel state information reference signal, it is characterised in that described device includes：
Determining module, for determine for transmitting channel state information reference signal CSI-RS subframe and
It is used for the resource particle for transmitting CSI-RS in subframe；
Sending module, for that will be used to transmit CSI-RS in the subframe and subframe for transmitting CSI-RS
The configuration information of resource particle be sent to terminal；
Transport module, for according to the configuration information, the resource in the subframe for transmitting CSI-RS
To CSI-RS described in the terminal transmission on particle.
9. the device of transmitting channel state information reference signal according to claim 8, its feature exists
In the determining module includes：
First submodule, within the time domain cycle that signal is transmitted, it is determined that default subframe is used as transmission
CSI-RS subframe, wherein transmission CSI-RS subframe includes M row subcarriers, often row subcarrier includes
N number of resource particle；
Second submodule, for that will be defined as being used to transmit for carrying out the resource particle of business transmission
CSI-RS resource particle.
10. the device of transmitting channel state information reference signal according to claim 8, its feature exists
In the sending module is further used for：
It will be used to transmit in first of the subframe for transmitting CSI-RS the default identification information and subframe
The default identification information of the second of CSI-RS resource particle is sent to the terminal as configuration information.
11. the device of transmitting channel state information reference signal according to claim 10, its feature
It is, the sending module is further used for：
By the described first default identification information and the second pre- bidding on the port for transmitting CSI-RS
Know information to send to the receiving terminal of the receive information under port.
12. a kind of device of transmitting channel state information reference signal, it is characterised in that described device includes：
In first receiving module, the subframe and subframe for transmitting CSI-RS for receiving base station transmission
For the configuration information for the resource particle for transmitting CSI-RS；
Second receiving module, passes through for transmitting for receiving the base station according to the configuration information
The CSI-RS that resource particle in CSI-RS subframe is sent.
13. the device of transmitting channel state information reference signal according to claim 12, its feature
It is, first receiving module is further used for：
Receive the subframe for transmitting CSI-RS as configuration information that the base station is sent first is preset
It is used for the second default identification information for transmitting CSI-RS resource particle in identification information and subframe.
14. the device of transmitting channel state information reference signal according to claim 13, its feature
It is, first receiving module is further used for：
Receive that the base station transmits on the port for transmitting CSI-RS as described the of configuration information
One default identification information and the second default identification information.
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| CN201610204552.3A CN107294648A (en) | 2016-04-01 | 2016-04-01 | A kind of method and device of transmitting channel state information reference signal |
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| CN201610204552.3A CN107294648A (en) | 2016-04-01 | 2016-04-01 | A kind of method and device of transmitting channel state information reference signal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048820A (en) * | 2018-01-16 | 2019-07-23 | 中国移动通信有限公司研究院 | A kind of configuration method of channel state information, feedback method and device |
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| US20150162966A1 (en) * | 2012-07-02 | 2015-06-11 | Lg Electronics Inc. | Method and device for reporting channel state information in wireless communication system |
| CN104767592A (en) * | 2014-01-02 | 2015-07-08 | 中国移动通信集团公司 | Method and equipment for configuring ports of CSI-RSs (Channel State Information Reference Signal), and method and equipment for transmitting CSI-RSs |
| CN105356978A (en) * | 2014-08-21 | 2016-02-24 | 电信科学技术研究院 | Method and device for transmitting CSI-RS |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20150162966A1 (en) * | 2012-07-02 | 2015-06-11 | Lg Electronics Inc. | Method and device for reporting channel state information in wireless communication system |
| CN104767592A (en) * | 2014-01-02 | 2015-07-08 | 中国移动通信集团公司 | Method and equipment for configuring ports of CSI-RSs (Channel State Information Reference Signal), and method and equipment for transmitting CSI-RSs |
| CN105356978A (en) * | 2014-08-21 | 2016-02-24 | 电信科学技术研究院 | Method and device for transmitting CSI-RS |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110048820A (en) * | 2018-01-16 | 2019-07-23 | 中国移动通信有限公司研究院 | A kind of configuration method of channel state information, feedback method and device |
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