CN101355412A - Method for transmitting signal - Google Patents
Method for transmitting signal Download PDFInfo
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- CN101355412A CN101355412A CNA2008101355227A CN200810135522A CN101355412A CN 101355412 A CN101355412 A CN 101355412A CN A2008101355227 A CNA2008101355227 A CN A2008101355227A CN 200810135522 A CN200810135522 A CN 200810135522A CN 101355412 A CN101355412 A CN 101355412A
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Abstract
The invention discloses a method for transmitting a signal, comprising the following steps: a plurality of antenna terminals are divided into three groups, each group comprises a plurality of antenna terminals; the first group of the antenna terminals and the second group of the antenna terminals have the same number of the antenna terminals; reference signals of the plurality of antenna terminals in the third group of the antenna terminals are loaded in the same symbol to be transmitted. Through the method, the transmission for eight antenna reference signals can be realized, thereby improving the whole performance of a system.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of signaling method.
Background technology
OFDM (Orthogonal Frequency Division Multiplexing abbreviates OFDM as) is a kind of multi-carrier modulation communication technology, and this technology is one of core technology of the 4th third-generation mobile communication.On frequency domain, the multipath channel of OFDM presents the characteristic of frequency selective fading, in order to overcome this decline, on frequency domain, channel distribution become a plurality of subchannels, the spectral characteristic of each subchannel is near flat all, and each subchannel of OFDM is mutually orthogonal, allows the frequency spectrum of subchannel overlapped, can very big limit land productivity frequency spectrum resource.
Multiple-input and multiple-output (Multiple-Input Multiple-Out-put, abbreviating MIMO as) technology can increase power system capacity, improve transmission performance, and can merge mutually with other physical-layer techniques well, become next (Beyond 3-Generation from generation to generation, abbreviate B3G as) and the key technology of the 4th third-generation mobile communication technology (4rd Generation abbreviates 4G as).But when channel relevancy was strong, the diversity gain and the spatial multiplexing gain that are brought by multipath channel can reduce greatly, cause declining to a great extent of mimo system performance.At present, a kind of new MIMO method for precoding is proposed, this method is a kind of multiplex mode of MIMO efficiently, its precoding processing by the sending and receiving end is divided into a plurality of independently pseudo channels with mimo channel, like this, can eliminate the influence of channel relevancy effectively, guarantee the stability of mimo system under various environment.
Long Term Evolution (Long Term Evolution, abbreviating LTE as) system is the essential planning of third generation partnership, Fig. 1 shows the structural representation of the basic frame structure of LTE system, as shown in Figure 1, this frame structure is divided into radio frames, field, subframe, four grades of time slot and symbol, wherein, the length of a radio frames is 10ms, each radio frames is made up of two fields, the length of each field is 5ms, and a field is made up of 5 subframes, and the length of each subframe is 1ms, and a subframe is made of two time slots (time slot # 0 and time slot #1), and the length of each time slot is 0.5ms.
When the LTE system adopts the regular circulation prefix, time slot comprise 7 length be 66.7us on/descending symbol (symbol number is l=0,1,2 ... 6), wherein, the circulating prefix-length of first symbol is 5.21us, and the circulating prefix-length of all the other 6 symbols is 4.69us.
When the LTE system adopts extended cyclic prefix, time slot comprise 6 length be 66.7us on/descending symbol (symbol number is l=0,1,2 ... 5), wherein, the circulating prefix-length of each symbol is 16.67us.
Resource block structures schematic diagram when Fig. 2 shows the LTE system bandwidth and is 5MHz, as shown in Figure 2, a Resource Unit (Resource Element, abbreviate RE as) be a subcarrier in the OFDM symbol, and a downlink resource piece is become by 12 continuous sub carrier group on frequency domain, on time domain, constitute by continuous 7 (during the regular circulation prefix structure) or 6 (during the extended cyclic prefix structure) OFDM symbols, promptly, a downlink resource piece takies 180kHz on frequency domain, on time domain a general time slots length, when carrying out resource allocation, be that base unit distributes with the Resource Block.
In ofdm system, adopted the MIMO technology, the base station can be supported the application of 8 antennas at most, correspondingly, reference signal also needs to support the scene of 8 antennas, for better application MIMO technology, the reference signal that needs redesign to estimate as space channel, at present, for the sending method of 8 antenna reference signals, prior art does not also have concrete solution.
Summary of the invention
Consider the sending method for 8 antenna reference signals that exists in the correlation technique, prior art does not also have the problem of concrete solution and proposes the present invention, and for this reason, main purpose of the present invention is to provide a kind of signaling method, to address the above problem.
According to an aspect of the present invention, provide a kind of signaling method.
Signaling method according to the present invention comprises: a plurality of antenna ports are divided into 3 groups, and each group all comprises a plurality of antenna ports, and the first antenna port group is identical with the antenna port number that the second antenna port group comprises; All be carried in the same symbol reference signal of a plurality of antenna ports in the third antenna port set and transmission.
Further, this method also comprises: for the symbol of the reference signal of carrying the first antenna port group, the reference signal that belongs to same antenna port in the prosign is spaced apart 6 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers on frequency domain; Symbol for the reference signal of carrying the second antenna port group, the reference signal that belongs to same antenna port in the prosign is spaced apart 6 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers on frequency domain; Symbol for the reference signal of carrying the third antenna port set, the reference signal that belongs to same antenna port in the prosign is spaced apart 12 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers or 6 subcarriers on frequency domain.
Wherein, the above-mentioned operation that the reference signal of a plurality of antenna ports in the third antenna port set all is carried in the same symbol is specially: for the subframe that adopts the regular circulation prefix, it is on 2 and/or 5 the symbol that the reference signal of a plurality of antenna ports in the third antenna port set is carried on each time-gap number; For the subframe that adopts extended cyclic prefix, it is on 2 and/or 4 the symbol that the reference signal of a plurality of antenna ports in the third antenna port set is carried on each time-gap number.
Wherein, the above-mentioned operation that the reference signal of a plurality of antenna ports in the first antenna port group all is carried in the same symbol is specially: for the subframe that adopts the regular circulation prefix, it is on 0 and 4 the symbol that the reference signal of a plurality of antenna ports in the first antenna port group is carried on each time-gap number; For the subframe that adopts extended cyclic prefix, it is on 0 and 3 the symbol that the reference signal of a plurality of antenna ports in the first antenna port group is carried on each time-gap number.
Wherein, above-mentioned reference signal with a plurality of antenna ports in the second antenna port group all is carried in the same symbol and comprises: it is on 1 the symbol that the reference signal of a plurality of antenna ports in the second antenna port group is carried on each time-gap number.
Particularly, for the subframe that adopts the regular circulation prefix, the numbering of the symbol of each time slot is followed successively by 0,1,2,3,4,5,6; For the subframe that adopts extended cyclic prefix, the numbering of the symbol of each time slot is followed successively by 0,1,2,3,4,5.
Preferably, this method also comprises: the frequency domain initial position of determining the reference signal of each antenna port according to cell ID.
Further, said method also comprises: it is proprietary that the position of the position of the pairing reference signal of the first antenna port group and the pairing reference signal of the second antenna port group is set to the sub-district, and to be set to the user proprietary in the position of the pairing reference signal of third antenna port set; Perhaps, to be set to the sub-district proprietary in the position of the position of the position of the pairing reference signal of the first antenna port group, the pairing reference signal of the second antenna port group and the pairing reference signal of third antenna port set.
Wherein, the sub-district is proprietary is the reference signal of all carrying antenna port in each Resource Block of digit symbol; The proprietary reference signal of antenna port that is meant of user is carried on the running time-frequency resource at user's Physical Downlink Shared Channel place.
According to an aspect of the present invention, provide a kind of signaling method.
Signaling method according to the present invention comprises: 8 antenna ports are divided into 3 antenna port groups, and wherein, the first antenna port group comprises 2 antenna ports, and the second antenna port group comprises 2 antenna ports, and the third antenna port set comprises 4 antenna ports; For each antenna port group, the reference signal of inciting somebody to action antenna port wherein respectively all is carried in the same symbol; Symbol for the reference signal of carrying the first antenna port group, the reference signal that belongs to same antenna port in the prosign is spaced apart 6 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers on frequency domain; Symbol for the reference signal of carrying the second antenna port group, the reference signal that belongs to same antenna port in the prosign is spaced apart 6 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers on frequency domain; Symbol for the reference signal of carrying the third antenna port set, the reference signal that belongs to same antenna port in the prosign is spaced apart 12 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers or 6 subcarriers on frequency domain;
Wherein, for each antenna port group, the operation that the reference signal of antenna port that respectively will be wherein all is carried in the same symbol is specially: for the first antenna port group, under the situation that adopts the regular circulation prefix, it is on 0 and 4 the symbol that the reference signal of its 2 antenna ports is carried on each time-gap number; Adopting under the situation of extended cyclic prefix, it is on 0 and 3 the symbol that the reference signal of its 2 antenna ports is carried on each time-gap number; For the second antenna port group, the reference signal of its 2 antenna ports is carried on being numbered on 1 the symbol of each time slot; For the third antenna port set, under the situation that adopts the regular circulation prefix, it is on 2 and/or 5 the symbol that the reference signal of its 4 antenna ports is carried on each time-gap number; Adopting under the situation of extended cyclic prefix, it is on 2 and/or 4 the symbol that the reference signal of its 4 antenna ports is carried on each time-gap number.
Preferably, for the subframe that adopts the regular circulation prefix, each time slot symbol be numbered 0,1,2,3,4,5,6; For the subframe that adopts extended cyclic prefix, each time slot symbol be numbered 0,1,2,3,4,5.
Further, this method also comprises: the frequency domain initial position of determining the reference signal of each antenna port according to cell ID.
Preferably, said method also comprises: it is proprietary that the position of the position of the pairing reference signal of the first antenna port group and the pairing reference signal of the second antenna port group is set to the sub-district, and to be set to the user proprietary in the position of the pairing reference signal of third antenna port set; Perhaps, to be set to the sub-district proprietary in the position of the position of the position of the pairing reference signal of the first antenna port group, the pairing reference signal of the second antenna port group and the pairing reference signal of third antenna port set.
In addition, this method also comprises: the sub-district is proprietary to be the reference signal of all carrying antenna port in each Resource Block of digit symbol; The proprietary reference signal of antenna port that is meant of user is carried on the running time-frequency resource at user's Physical Downlink Shared Channel place.
Particularly, the above-mentioned processing that 8 antenna ports are divided into 3 antenna port groups comprises: the antenna end slogan that 8 antenna port correspondences are set is respectively 0,1,2,3,4,5,6,7, wherein, it is 0 and 1 antenna port that the first antenna port group comprises the antenna end slogan, it is 2 and 3 antenna port that the second antenna port group comprises the antenna end slogan, and it is 4,5,6,7 antenna port that the third antenna port set comprises the antenna end slogan; Perhaps, the antenna end slogan that 8 antenna port correspondences are set is respectively 0,1,2,3,6,7,8,9, wherein, it is 0 and 1 antenna port that the first antenna port group comprises the antenna end slogan, it is 2 and 3 antenna port that the second antenna port group comprises the antenna end slogan, and it is 6,7,8,9 antenna port that the third antenna port set comprises the antenna end slogan.
By above-mentioned at least one technical scheme of the present invention, can realize the transmission of 8 antenna reference signals, thereby improve the overall performance of system.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation according to the basic frame structure of the LTE system of correlation technique;
Fig. 2 is the resource block structures schematic diagram of the LTE system bandwidth according to correlation technique when being 5MHz;
Fig. 3 is the flow chart according to the signaling method of the inventive method embodiment one;
Fig. 4 is the flow chart according to the signaling method of the inventive method embodiment two;
Fig. 5 (A) is the schematic diagram of the example one of method shown in Figure 4;
Fig. 5 (B) is the schematic diagram of the example one of method shown in Figure 4;
Fig. 6 (A) is the schematic diagram of the example two of method shown in Figure 4;
Fig. 6 (B) is the schematic diagram of the example two of method shown in Figure 4;
Fig. 7 (A) is the schematic diagram of the example three of method shown in Figure 4;
Fig. 7 (B) is the schematic diagram of the example three of method shown in Figure 4;
Fig. 8 (A) is the schematic diagram of the example four of method shown in Figure 4;
Fig. 8 (B) is the schematic diagram of the example four of method shown in Figure 4.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing.
Method embodiment one
According to the embodiment of the invention, provide a kind of signaling method.
Fig. 3 is the flow chart according to the signaling method of the embodiment of the invention, and as shown in Figure 3, this method may further comprise the steps:
Step S302, a plurality of antenna ports are divided into 3 groups, each group all comprises a plurality of antenna ports, the first antenna port group is identical with the antenna port number that the second antenna port group comprises, and it is different with the antenna port number that the third antenna port set comprises, wherein, can determine the frequency domain initial position of the reference signal of each antenna port according to cell ID;
Step S304, all be carried in the same symbol reference signal of a plurality of antenna ports in the third antenna port set and transmission, wherein, the reference signal that belongs to same antenna port on the prosign is spaced apart 12 subcarriers on frequency domain, reference signal on the different antennae port is spaced apart 3 subcarriers on frequency domain, the reference signal that belongs to same antenna port in the time domain adjacent symbol is spaced apart 3 or 6 subcarriers on frequency domain;
Before implementing the embodiment of the invention, need the symbol of each time slot in the subframe be numbered, for the subframe that adopts the regular circulation prefix, the numbering of the symbol of each time slot of subframe is followed successively by 0,1,2,3,4,5,6; For the subframe that adopts extended cyclic prefix, the numbering of the symbol of each time slot of subframe is followed successively by 0,1,2,3,4,5.
Set-up mode to reference signal in above three antenna port groups describes below.
The reference signal of a plurality of antenna ports in the first antenna port group all is carried in the same symbol, the reference signal that belongs to same antenna port on the prosign is spaced apart 12 subcarriers on frequency domain, reference signal on the prosign on the different antennae port is spaced apart 3 subcarriers on frequency domain, the reference signal that belongs to same antenna port in the time domain adjacent symbol is spaced apart 3 subcarriers on frequency domain;
The reference signal of a plurality of antenna ports in the second antenna port group all is carried in the same symbol, the reference signal that belongs to same antenna port on the prosign is spaced apart 6 subcarriers on frequency domain, reference signal on the prosign on the different antennae port is spaced apart 3 subcarriers on frequency domain, the reference signal that belongs to same antenna port in the time domain adjacent symbol is spaced apart 3 subcarriers on frequency domain;
The reference signal of a plurality of antenna ports in the third antenna port set all is carried in the same symbol, the reference signal that belongs to same antenna port in the prosign is spaced apart 12 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers or 6 subcarriers on frequency domain.
Wherein, for the first antenna port group, under the situation that adopts the regular circulation prefix, the reference signal of a plurality of antenna ports in this group can be carried on each time-gap number and be 0 be numbered on 4 the symbol; Adopting under the situation of extended cyclic prefix, the reference signal of a plurality of antenna ports in this group can be carried on each time-gap number and be 0 be numbered on 3 the symbol.
For the second antenna port group, the reference signal of a plurality of antenna ports in this group can be carried on each time-gap number and be on 1 the symbol.
For the third antenna port set, under the situation that adopts the regular circulation prefix, the reference signal of a plurality of antenna ports in this group can be carried on each time-gap number and be 2 and/or be numbered on 5 the symbol; Adopting under the situation of extended cyclic prefix, the reference signal of a plurality of antenna ports in this group can be carried on each time-gap number and be 2 and/or be numbered on 4 the symbol.
In addition, can above-mentioned respectively antenna port group be set to cell-specific or user's special use, wherein, the sub-district is proprietary to be the reference signal of all carrying antenna port in each Resource Block of digit symbol, the proprietary reference signal of antenna port that is meant of user only is carried on the running time-frequency resource at user's Physical Downlink Shared Channel place, and the reference signal of all carrying antenna port in each Resource Block of symbol particularly, can comprise following two kinds of methods to set up:
It is proprietary that the position of the position of one: the first pairing reference signal of antenna port group of mode and the pairing reference signal of the second antenna port group is set to the sub-district, and to be set to the user proprietary in the position of the pairing reference signal of third antenna port set;
Mode two: it is proprietary that the position of the position of the position of the pairing reference signal of the first antenna port group, the pairing reference signal of the second antenna port group and the pairing reference signal of third antenna port set all is set to the sub-district.
Need to prove that above-mentioned frequency domain interval comprises an end reference signal, for example, R
0And R
1Between frequency domain interval be that 3 subcarriers are for comprising R
0Or R
1At interior interval.
Method embodiment two
According to the embodiment of the invention, provide a kind of signaling method.
Fig. 4 is the flow chart according to the signaling method of the embodiment of the invention, and as shown in Figure 4, this method may further comprise the steps:
Step S402 is divided into 3 antenna port groups with 8 antenna ports, and wherein, the first antenna port group comprises 2 antenna ports, and the second antenna port group comprises 2 antenna ports, and the third antenna port set comprises 4 antenna ports;
Step S404, for each antenna port group, the reference signal of inciting somebody to action antenna port wherein respectively all is carried in the same symbol, wherein, can determine the frequency domain initial position of the reference signal of each antenna port according to cell ID;
Step S406, for first and second antenna port groups, the reference signal that belongs to same antenna port on the prosign is spaced apart 6 subcarriers on frequency domain, reference signal on the prosign on the different antennae port is spaced apart 3 subcarriers on frequency domain, the reference signal that belongs to same antenna port in the time domain adjacent symbol is spaced apart 3 subcarriers on frequency domain; For the 3rd antenna port group, the reference signal that belongs to same antenna port on the prosign is spaced apart 12 subcarriers on frequency domain, reference signal on the prosign on the different antennae port is spaced apart 3 subcarriers on frequency domain, the reference signal that belongs to same antenna port in the time domain adjacent symbol is spaced apart 3 or 6 subcarriers on frequency domain;
By the technical scheme that the embodiment of the invention provides, can realize the sending method of 8 antenna port reference signals, thereby improve the overall performance of system.
Before implementing the embodiment of the invention, need the symbol of each time slot in the subframe be numbered, its concrete method for numbering serial is identical with method embodiment one, repeats no more here.
For each antenna port group, the concrete operations that the reference signal of antenna port that respectively will be wherein all is carried in the same symbol are: for the first antenna port group, under the situation that adopts the regular circulation prefix, the reference signal of its 2 antenna ports can be carried on each time-gap number and be 0 and be numbered on 4 the symbol; Adopting under the situation of extended cyclic prefix, the reference signal of its 2 antenna ports can be carried on each time-gap number and be 0 and be numbered on 3 the symbol; For the second antenna port group, it is on 1 the symbol that the reference signal of its 2 antenna ports is carried on each time-gap number; For the 3rd antenna port group, under the situation that adopts the regular circulation prefix, the reference signal of its 4 antenna ports can be carried on each time-gap number and be 2 and/or be numbered on 5 the symbol; Adopting under the situation of extended cyclic prefix, the reference signal of its 4 antenna ports can be carried on each time-gap number and be 2 and/or be numbered on 4 the symbol.
In addition, can above-mentioned respectively antenna port group be set to cell-specific or user's special use, concrete method to set up is identical with method embodiment one, repeats no more here.
And, for the set-up mode of antenna end slogan, can comprise following dual mode:
Mode one, the antenna end slogan that 8 antenna port correspondences are set is respectively 0,1,2,3,4,5,6,7, wherein, it is 0 and 1 antenna port that the first antenna port group comprises the antenna end slogan, it is 2 and 3 antenna port that the second antenna port group comprises the antenna end slogan, and it is 4,5,6,7 antenna port that the third antenna port set comprises the antenna end slogan; Perhaps
Mode two, the antenna end slogan that 8 antenna port correspondences are set is respectively 0,1,2,3,6,7,8,9, wherein, it is 0 and 1 antenna port that the first antenna port group comprises the antenna end slogan, it is 2 and 3 antenna port that the second antenna port group comprises the antenna end slogan, and it is 6,7,8,9 antenna port that the third antenna port set comprises the antenna end slogan.
Be that example describes the embodiment of the invention with 3GPP LTE (bandwidth 5MHz) system below, this system comprises 512 subcarriers altogether, and wherein, available subcarrier is middle 300, and each Resource Block comprises 12 continuous subcarriers, and then the system of 5M bandwidth has 25 Resource Block.
The embodiment of the invention is that 8 antenna ports are that example describes with total number of antenna port, wherein, the corresponding reference signal of each antenna port, 8 antenna ports correspond respectively to and are numbered 0,1,2,3,4,5,6,7 antenna port, wherein, the first antenna port group comprises and is numbered 0 and 1 antenna port, the second antenna port group comprises and is numbered 2 and 3 antenna port, and the third antenna port set comprises and is numbered 4,5,6,7 antenna port, the reference signal of these 8 antenna ports is respectively { R
0, R
1, R
2, R
3, R
4, R
5, R
6, R
7, with { R
0, R
1, R
2, R
3, R
4, R
5, R
6, R
7Being divided into 3 groups, every group of reference signal number that comprises is unequal, wherein, with R
0And R
1Divide first group into, with R
2And R
3Divide second group into, with R
4, R
5, R
6And R
7Divide the 3rd group into.
Root is according to above division methods, reference signal in the first antenna port group on every antenna port is carried on the same symbol, and the reference signal that belongs to same antenna port on the prosign is spaced apart 6 subcarriers on frequency domain, the frequency domain interval of the adjacent reference signal of adjacent different antennae port is 3 subcarriers; Carry on the time domain adjacent symbol of reference signal of this antenna port group, the reference signal that belongs to same antenna port is spaced apart 3 subcarriers on frequency domain; Wherein, the reference signal of 2 antenna ports of carrying in symbol is under 8 the situation in the total number of antenna port, R
0, R
1Be carried in the same symbol, and adjacent R on the prosign
0With R
1Frequency domain interval be 3 subcarriers, adjacent R
0/ R
1Between frequency domain interval be 6 subcarriers; The carrying R that time domain is adjacent
0, R
1Symbol on, adjacent R on the distinct symbols
0/ R
1Between frequency domain interval be 3 subcarriers.
Reference signal in the second antenna port group on every antenna port is carried on the same symbol, and the reference signal that belongs to same antenna port on the prosign is spaced apart 6 subcarriers on frequency domain, the frequency domain interval of the adjacent reference signal of adjacent different antennae port is 3 subcarriers; Carry the reference signal that belongs to same antenna port on the time domain adjacent symbol of reference signal of this antenna port group and on frequency domain, be spaced apart 3 subcarriers; Wherein, the reference signal of 2 antenna ports of carrying in symbol is under 8 the situation in the total number of antenna port, R
2, R
3Be carried in the same symbol, and on the prosign, adjacent R
2With R
3Frequency domain interval be 3 subcarriers, adjacent R
2/ R
3Between frequency domain interval be 6 subcarriers; The carrying R that time domain is adjacent
2, R
3Symbol on, adjacent R on the distinct symbols
2/ R
3Between frequency domain interval be 3 subcarriers.
Reference signal in the third antenna port set on every antenna port is carried on the same symbol, and the reference signal that belongs to same antenna port on the prosign is spaced apart 12 subcarriers on frequency domain, the frequency domain interval of the adjacent reference signal of adjacent different antennae port is 3 subcarriers; Carry the reference signal that belongs to same antenna port on the time domain adjacent symbol of reference signal of this antenna port group and on frequency domain, be spaced apart 3 or 6 subcarriers; Wherein, the reference signal of 4 antenna ports of carrying in symbol is under 8 the situation in the total number of antenna port, R
4, R
5, R
6, R
7Be carried in the same symbol, and on the prosign, adjacent R
4With R
5(or R
5With R
6, or R
6With R
7, or R
4With R
7) frequency domain interval be 3 subcarriers, adjacent R
4/ R
5/ R
6/ R
7Between frequency domain interval be 12 subcarriers; The carrying R that time domain is adjacent
4, R
5, R
6, R
7Symbol on, adjacent R on the distinct symbols
4/ R
5/ R
6/ R
7Between frequency domain interval be 3 or 6 subcarriers.
Example one
When Fig. 5 (A) is system's employing regular circulation prefix, the position view of the reference signal of carrying 8 antenna ports in a Resource Block, when Fig. 5 (B) is system's employing extended cyclic prefix, the position view of the reference signal of carrying 8 antenna ports in a Resource Block.
Shown in Fig. 5 (A), for the reference signal { R of the first antenna port group
0, R
1}:
With R
0Be carried on each time-gap number and be on k the subcarrier and k+6 subcarrier of each Resource Block of 0 symbol, wherein, k ∈ 0,1,2,3,4,5};
With R
0Also be carried on each time-gap number and be on k+3 the subcarrier and m subcarrier of each Resource Block of 4 symbol, m=(k+9) mod12 wherein, k is the same;
With R
1Be carried on each time-gap number and be on k+3 the subcarrier and m subcarrier of each Resource Block of 0 symbol, m=(k+9) mod12 wherein, k is the same;
With R
1Also be carried on each time-gap number and be on k the subcarrier and k+6 subcarrier of each Resource Block of 4 symbol, k is the same;
Reference signal { R for the second antenna port group
2, R
3}:
With R
2Be carried on k the subcarrier and k+6 subcarrier of each Resource Block that is numbered 1 symbol of time slot # 0, wherein, k ∈ 0,1,2,3,4,5};
With R
2Also be carried on k+3 the subcarrier and m subcarrier of each Resource Block that is numbered 1 symbol of time slot # 1, m=(k+9) mod12 wherein, k is the same;
With R
3Be carried on k+3 the subcarrier and m subcarrier of each Resource Block that time slot # 0 is numbered 1 symbol, m=(k+9) mod12 wherein, k is the same;
With R
3Also be carried on k the subcarrier and k+6 subcarrier of each Resource Block that time slot # 1 is numbered 1 symbol, k is the same;
Reference signal { R for the third antenna port set
4, R
5, R
6, R
7}:
With R
4Be carried on k the subcarrier of each Resource Block that time slot # 0 is numbered 2 symbol, wherein, k ∈ 0,1,2,3,4,5};
With R
4Also be carried on k+6 the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, k is the same;
With R
5Be carried on time slot # 0 be numbered 2 symbol k+3 subcarrier of each Resource Block on, k is the same;
With R
5Also be carried on m the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, m=(k+9) mod12 wherein, k is the same;
With R
6Be carried on k+6 the subcarrier of each Resource Block that time slot # 0 is numbered 2 symbol, k is the same;
With R
6Also be carried on k the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, k is the same;
With R
7Be carried on m the subcarrier of each Resource Block that time slot # 0 is numbered 2 symbol, m=(k+9) mod12 wherein, k is the same;
With R
7Also be carried on k+3 the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, k is the same.
Shown in Fig. 5 (B), for the reference signal { R of the first antenna port group
0, R
1}:
With R
0Be carried on each time-gap number and be on k the subcarrier and k+6 subcarrier of each Resource Block of 0 symbol, wherein, k ∈ 0,1,2,3,4,5};
With R
0Also be carried on each time-gap number and be on k+3 the subcarrier and m subcarrier of each Resource Block of 3 symbol, m=(k+9) mod12 wherein, k is the same;
With R
1Be carried on each time-gap number and be on k+3 the subcarrier and m subcarrier of each Resource Block of 0 symbol, m=(k+9) mod12 wherein, k is the same;
With R
1Also be carried on each time-gap number and be on k the subcarrier and k+6 subcarrier of each Resource Block of 3 symbol, k is the same;
Reference signal { R for the second antenna port group
2, R
3}:
With R
2Be carried on k the subcarrier and k+6 subcarrier of each Resource Block that is numbered 1 symbol of time slot # 0, wherein, k ∈ 0,1,2,3,4,5};
With R
2Also be carried on k+3 the subcarrier and m subcarrier of each Resource Block that is numbered 1 symbol of time slot # 1, m=(k+9) mod12 wherein, k is the same;
With R
3Be carried on k+3 the subcarrier and m subcarrier of each Resource Block that time slot # 0 is numbered 1 symbol, m=(k+9) mod12 wherein, k is the same;
With R
3Also be carried on k the subcarrier and k+6 subcarrier of each Resource Block that time slot # 1 is numbered 1 symbol, k is the same;
Reference signal { R for the third antenna port set
4, R
5, R
6, R
7}:
With R
4Be carried on k the subcarrier of each Resource Block that time slot # 0 is numbered 2 symbol, wherein, k ∈ 0,1,2,3,4,5};
With R
4Also be carried on time slot # 1 be numbered 2 symbol k+6 subcarrier of each Resource Block on, k is the same;
With R
5Be carried on time slot # 0 be numbered 2 symbol k+3 subcarrier of each Resource Block on, k is the same;
With R
5Also be carried on m the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, m=(k+9) mod12 wherein, k is the same;
With R
6Be carried on k+6 the subcarrier of each Resource Block that time slot # 0 is numbered 2 symbol, k is the same;
With R
6Also be carried on k the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, k is the same;
With R
7Be carried on m the subcarrier of each Resource Block that time slot # 0 is numbered 2 symbol, m=(k+9) mod12 wherein, k is the same;
With R
7Also be carried on k+3 the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, k is the same.
Example two
When Fig. 6 (A) is system's employing regular circulation prefix, the position view of the reference signal of carrying 8 antenna ports in a Resource Block, when Fig. 6 (B) is system's employing extended cyclic prefix, the position view of the reference signal of carrying 8 antenna ports in a Resource Block.
Shown in Fig. 6 (A), in this embodiment, the position of the position of the first antenna port group reference signal and the second antenna port group reference signal is identical with Fig. 5 (A) among Fig. 6 (A), repeats no more here.
Reference signal { R for the third antenna port set
4, R
5, R
6, R
7}:
With R
4Be carried on k the subcarrier of each Resource Block that time slot # 0 is numbered 5 symbol, wherein, k ∈ 0,1,2,3,4,5};
With R
4Also be carried on k+6 the subcarrier of each Resource Block that time slot # 1 is numbered 5 symbol, k is the same;
With R
5Be carried on k+3 the subcarrier of each Resource Block that time slot # 0 is numbered 5 symbol, k is the same;
With R
5Also be carried on m the subcarrier of each Resource Block that time slot # 1 is numbered 5 symbol, m=(k+9) mod12 wherein, k is the same;
With R
6Be carried on k+6 the subcarrier of each Resource Block that time slot # 0 is numbered 5 symbol, k is the same;
With R
6Also be carried on k the subcarrier of each Resource Block that time slot # 1 is numbered 5 symbol, k is the same;
With R
7Be carried on m the subcarrier of each Resource Block that time slot # 0 is numbered 5 symbol, m=(k+9) mod12 wherein, k is the same;
With R
7Also be carried on k+3 the subcarrier of each Resource Block that time slot # 1 is numbered 5 symbol, k is the same.
Shown in Fig. 6 (B), in this embodiment, the position of the position of the first antenna port group reference signal and the second antenna port group reference signal is identical with Fig. 5 (B) among Fig. 6 (B), repeats no more here.
Reference signal { R for the third antenna port set
4, R
5, R
6, R
7}:
With R
4Be carried on k the subcarrier of each Resource Block that time slot # 0 is numbered 4 symbol, wherein, k ∈ 0,1,2,3,4,5};
With R
4Also be carried on k+6 the subcarrier of each Resource Block that time slot # 1 is numbered 4 symbol, k is the same;
With R
5Be carried on k+3 the subcarrier of each Resource Block that time slot # 0 is numbered 4 symbol, k is the same;
With R
5Also be carried on m the subcarrier of each Resource Block that time slot # 1 is numbered 4 symbol, m=(k+9) mod12 wherein, k is the same;
With R
6Be carried on k+6 the subcarrier of each Resource Block that time slot # 0 is numbered 4 symbol, k is the same;
With R
6Also be carried on k the subcarrier of each Resource Block that time slot # 1 is numbered 4 symbol, k is the same;
With R
7Be carried on m the subcarrier of each Resource Block that time slot # 0 is numbered 4 symbol, m=(k+9) mod12 wherein, k is the same;
With R
7Also be carried on k+3 the subcarrier of each Resource Block that time slot # 1 is numbered 4 symbol, k is the same.
Example three
When Fig. 7 (A) is system's employing regular circulation prefix, the position view of the reference signal of carrying 8 antenna ports in a Resource Block, when Fig. 7 (B) is system's employing extended cyclic prefix, the position view of the reference signal of carrying 8 antenna ports in a Resource Block.
Shown in Fig. 7 (A), in this embodiment, the position of the position of the first antenna port group reference signal and the second antenna port group reference signal is identical with Fig. 5 (A) among Fig. 7 (A), repeats no more here.
Reference signal { R for the third antenna port set
4, R
5, R
6, R
7}:
With R
4Be carried on each time-gap number and be on k the subcarrier of each Resource Block of 2 symbol, wherein, k ∈ 0,1,2,3,4,5};
With R
4Also be carried on each time-gap number and be on k+6 the subcarrier of each Resource Block of 5 symbol, k is the same;
With R
5Be carried on each time-gap number and be on k+3 the subcarrier of each Resource Block of 2 symbol, k is the same;
With R
5Also be carried on each time-gap number and be on m the subcarrier of each Resource Block of 5 symbol, m=(k+9) mod12 wherein, k is the same;
With R
6Be carried on each time-gap number and be on k+6 the subcarrier of each Resource Block of 2 symbol, k is the same;
With R
6Also be carried on each time-gap number and be on k the subcarrier of each Resource Block of 5 symbol, k is the same;
With R
7Be carried on each time-gap number and be on m the subcarrier of each Resource Block of 2 symbol, m=(k+9) mod12 wherein, k is the same;
With R
7Also be carried on each time-gap number and be on k+3 the subcarrier of each Resource Block of 5 symbol, k is the same.
Shown in Fig. 7 (B), in this embodiment, the position of the position of the first antenna port group reference signal and the second antenna port group reference signal is identical with Fig. 5 (B) among Fig. 7 (B), repeats no more here.
Reference signal { R for the third antenna port set
4, R
5, R
6, R
7}:
With R
4Be carried on each time-gap number and be on k the subcarrier of each Resource Block of 2 symbol, wherein, k ∈ 0,1,2,3,4,5};
With R
4Also be carried on each time-gap number and be on k+6 the subcarrier of each Resource Block of 4 symbol, k is the same;
With R
5Be carried on each time-gap number and be on k+3 the subcarrier of each Resource Block of 2 symbol, k is the same;
With R
5Also be carried on each time-gap number and be on m the subcarrier of each Resource Block of 4 symbol, m=(k+9) mod12 wherein, k is the same;
With R
6Be carried on each time-gap number and be on k+6 the subcarrier of each Resource Block of 2 symbol, k is the same;
With R
6Also be carried on each time-gap number and be on k the subcarrier of each Resource Block of 4 symbol, k is the same;
With R
7Be carried on each time-gap number and be on m the subcarrier of each Resource Block of 2 symbol, m=(k+9) mod12 wherein, k is the same;
With R
7Also be carried on each time-gap number and be on k+3 the subcarrier of each Resource Block of 4 symbol, k is the same;
Example four
When Fig. 8 (A) is system's employing regular circulation prefix, the position view of the reference signal of carrying 8 antenna ports in a Resource Block, when Fig. 8 (B) is system's employing extended cyclic prefix, the position view of the reference signal of carrying 8 antenna ports in a Resource Block.
Shown in Fig. 8 (A), in this embodiment, the position of the position of the first antenna port group reference signal and the second antenna port group reference signal is identical with Fig. 5 (A) among Fig. 8 (A), repeats no more here.
Reference signal { R for the third antenna port set
4, R
5, R
6, R
7}:
With R
4Be carried on k the subcarrier of each Resource Block that is numbered 2 symbol of time slot # 0, wherein, k ∈ 0,1,2,3,4,5};
With R
4Also be carried on k+6 the subcarrier of each Resource Block that time slot # 0 is numbered 5 symbol, k is the same;
With R
4Also be carried on k+3 the subcarrier of each Resource Block that is numbered 2 symbol of time slot # 1, k is the same;
With R
4Also be carried on m the subcarrier of each Resource Block that time slot # 1 is numbered 5 symbol, m=(k+9) mod12 wherein, k is the same;
With R
5Be carried on time slot # 0 be numbered 2 symbol k+3 subcarrier of each Resource Block on, k is the same;
With R
5Also be carried on m the subcarrier of each Resource Block that is numbered 5 symbol of time slot # 0, m=(k+9) mod12 wherein, k is the same;
With R
5Also be carried on k the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, k is the same;
With R
5Also be carried on k+6 the subcarrier of each Resource Block that time slot # 1 is numbered 5 symbol, k is the same;
With R
6Be carried on k+6 the subcarrier of each Resource Block that time slot # 0 is numbered 2 symbol, k is the same;
With R
6Also be carried on k the subcarrier of each Resource Block that time slot # 0 is numbered 5 symbol, k is the same;
With R
6Also be carried on m the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, m=(k+9) mod12 wherein, k is the same;
With R
6Also be carried on k+3 the subcarrier of each Resource Block that time slot # 1 is numbered 5 symbol, k is the same;
With R
7Be carried on m the subcarrier of each Resource Block that time slot # 0 is numbered 2 symbol, m=(k+9) mod12 wherein, k is the same;
With R
7Also be carried on k+3 the subcarrier of each Resource Block that time slot # 0 is numbered 5 symbol, k is the same;
With R
7Also be carried on k+6 the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, k is the same;
With R
7Also carrying also is numbered on k the subcarrier of each Resource Block of 5 symbol at time slot # 1, and k is the same.
Shown in Fig. 8 (B), in this embodiment, the position of the position of the first antenna port group reference signal and the second antenna port group reference signal is identical with Fig. 5 (B) among Fig. 8 (B), repeats no more here.
Reference signal { R for the third antenna port set
4, R
5, R
6, R
7}:
With R
4Be carried on k the subcarrier of each Resource Block that is numbered 2 symbol of time slot # 0, wherein, k ∈ 0,1,2,3,4,5};
With R
4Also be carried on k+6 the subcarrier of each Resource Block that time slot # 0 is numbered 4 symbol, k is the same;
With R
4Also be carried on k+3 the subcarrier of each Resource Block that is numbered 2 symbol of time slot # 1, k is the same;
With R
4Also be carried on m the subcarrier of each Resource Block that time slot # 1 is numbered 4 symbol, m=(k+9) mod12 wherein, k is the same;
With R
5Be carried on time slot # 0 be numbered 2 symbol k+3 subcarrier of each Resource Block on, k is the same;
With R
5Also be carried on m the subcarrier of each Resource Block that is numbered 4 symbol of time slot # 0, m=(k+9) mod12 wherein, k is the same;
With R
5Also be carried on k the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, k is the same;
With R
5Also be carried on k+6 the subcarrier of each Resource Block that time slot # 1 is numbered 4 symbol, k is the same;
With R
6Be carried on k+6 the subcarrier of each Resource Block that time slot # 0 is numbered 2 symbol, k is the same;
With R
6Also be carried on k the subcarrier of each Resource Block that time slot # 0 is numbered 4 symbol, k is the same;
With R
6Also be carried on m the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, m=(k+9) mod12 wherein, k is the same;
With R
6Also be carried on k+3 the subcarrier of each Resource Block that time slot # 1 is numbered 4 symbol, k is the same;
With R
7Be carried on m the subcarrier of each Resource Block that time slot # 0 is numbered 2 symbol, wherein m=(k+9) mod 12, and k is the same;
With R
7Also be carried on k+3 the subcarrier of each Resource Block that time slot # 0 is numbered 4 symbol, k is the same;
With R
7Also be carried on k+6 the subcarrier of each Resource Block that time slot # 1 is numbered 2 symbol, k is the same;
With R
7Also carrying also is numbered on k the subcarrier of each Resource Block of 4 symbol at time slot # 1, and k is the same.
Need to prove; the above embodiment of the present invention all is that the frequency domain initial position with reference signal is that k=0 is that example describes; but be not limited to this; frequency domain initial position is that the situation of other values is identical with the processing method of k=0; here repeat no more, when frequency domain initial position is worth for other still within protection scope of the present invention.
As mentioned above,, can realize the transmission of 8 antenna reference signals, thereby improve the overall performance of system by means of signaling method provided by the invention.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. a signaling method is characterized in that, comprising:
A plurality of antenna ports are divided into 3 groups, and each group all comprises a plurality of antenna ports, and the first antenna port group is identical with the antenna port number that the second antenna port group comprises;
All be carried in the same symbol reference signal of a plurality of antenna ports in the third antenna port set and transmission.
2. method according to claim 1 is characterized in that, described method also comprises:
Symbol for the reference signal of carrying the first antenna port group, the reference signal that belongs to same antenna port in the prosign is spaced apart 6 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers on frequency domain;
Symbol for the reference signal of carrying the second antenna port group, the reference signal that belongs to same antenna port in the prosign is spaced apart 6 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers on frequency domain;
Symbol for the reference signal of carrying the third antenna port set, the reference signal that belongs to same antenna port in the prosign is spaced apart 12 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers or 6 subcarriers on frequency domain.
3. method according to claim 1 is characterized in that, described reference signal with a plurality of antenna ports in the third antenna port set all is carried in the same symbol and comprises:
For the subframe that adopts the regular circulation prefix, it is on 2 and/or 5 the symbol that the reference signal of a plurality of antenna ports in the described third antenna port set is carried on each time-gap number;
For the subframe that adopts extended cyclic prefix, it is on 2 and/or 4 the symbol that the reference signal of a plurality of antenna ports in the described third antenna port set is carried on each time-gap number.
4. method according to claim 1 is characterized in that, described reference signal with a plurality of antenna ports in the first antenna port group all is carried in the same symbol and comprises:
For the subframe that adopts the regular circulation prefix, it is on 0 and 4 the symbol that the reference signal of a plurality of antenna ports in the described first antenna port group is carried on each time-gap number;
For the subframe that adopts extended cyclic prefix, it is on 0 and 3 the symbol that the reference signal of a plurality of antenna ports in the described first antenna port group is carried on each time-gap number.
5. method according to claim 1 is characterized in that, described reference signal with a plurality of antenna ports in the second antenna port group all is carried in the same symbol and comprises:
It is on 1 the symbol that the reference signal of a plurality of antenna ports in the described second antenna port group is carried on each time-gap number.
6. according to each described method in the claim 1 to 5, it is characterized in that,
For the subframe that adopts the regular circulation prefix, the numbering of the symbol of each time slot is followed successively by 0,1,2,3,4,5,6;
For the subframe that adopts extended cyclic prefix, the numbering of the symbol of each time slot is followed successively by 0,1,2,3,4,5.
7. according to each described method in the claim 1 to 5, it is characterized in that described method also comprises:
Determine the frequency domain initial position of the reference signal of each antenna port according to cell ID.
8. according to each described method in the claim 1 to 5, it is characterized in that described method also comprises:
It is proprietary that the position of the position of the pairing reference signal of the described first antenna port group and the pairing reference signal of the described second antenna port group is set to the sub-district, and to be set to the user proprietary in the position of the pairing reference signal of described third antenna port set; Perhaps
It is proprietary that the position of the position of the pairing reference signal of the described first antenna port group, the pairing reference signal of the described second antenna port group and the position of the pairing reference signal of described third antenna port set are set to the sub-district.
9. method according to claim 8 is characterized in that,
The proprietary reference signal of all carrying described antenna port in each Resource Block of described symbol that is meant in described sub-district;
The proprietary reference signal of described antenna port that is meant of described user is carried on the running time-frequency resource at user's Physical Downlink Shared Channel place.
10. a signaling method is characterized in that, comprising:
8 antenna ports are divided into 3 antenna port groups, and wherein, the first antenna port group comprises 2 antenna ports, and the second antenna port group comprises 2 antenna ports, and the third antenna port set comprises 4 antenna ports;
For each antenna port group, the reference signal of inciting somebody to action antenna port wherein respectively all is carried in the same symbol;
Symbol for the reference signal of carrying the first antenna port group, the reference signal that belongs to same antenna port in the prosign is spaced apart 6 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers on frequency domain;
Symbol for the reference signal of carrying the second antenna port group, the reference signal that belongs to same antenna port in the prosign is spaced apart 6 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers on frequency domain;
Symbol for the reference signal of carrying the third antenna port set, the reference signal that belongs to same antenna port in the prosign is spaced apart 12 subcarriers on frequency domain, the reference signal of different antennae port is spaced apart 3 subcarriers in the prosign on frequency domain, and the reference signal that belongs to same antenna port in the adjacent time-domain symbol is spaced apart 3 subcarriers or 6 subcarriers on frequency domain.
11. method according to claim 10 is characterized in that, for each antenna port group, the reference signal of inciting somebody to action antenna port wherein respectively all is carried in the same symbol and specifically comprises:
For the described first antenna port group, under the situation that adopts the regular circulation prefix, it is on 0 and 4 the symbol that the reference signal of its 2 antenna ports is carried on each time-gap number; Adopting under the situation of extended cyclic prefix, it is on 0 and 3 the symbol that the reference signal of its 2 antenna ports is carried on each time-gap number;
For the described second antenna port group, the reference signal of its 2 antenna ports is carried on being numbered on 1 the symbol of each time slot;
For described third antenna port set, under the situation that adopts the regular circulation prefix, it is on 2 and/or 5 the symbol that the reference signal of its 4 antenna ports is carried on each time-gap number; Adopting under the situation of extended cyclic prefix, it is on 2 and/or 4 the symbol that the reference signal of its 4 antenna ports is carried on each time-gap number.
12. according to claim 10 or 11 described methods, it is characterized in that,
For the subframe that adopts the regular circulation prefix, each time slot symbol be numbered 0,1,2,3,4,5,6;
For the subframe that adopts extended cyclic prefix, each time slot symbol be numbered 0,1,2,3,4,5.
13., it is characterized in that described method also comprises according to claim 10 or 11 described methods:
Determine the frequency domain initial position of the reference signal of each antenna port according to cell ID.
14., it is characterized in that described method also comprises according to claim 10 or 11 described methods:
It is proprietary that the position of the position of the pairing reference signal of the described first antenna port group and the pairing reference signal of the described second antenna port group is set to the sub-district, and to be set to the user proprietary in the position of the pairing reference signal of described third antenna port set; Perhaps
It is proprietary that the position of the position of the pairing reference signal of the described first antenna port group, the pairing reference signal of the described second antenna port group and the position of the pairing reference signal of described third antenna port set are set to the sub-district.
15. method according to claim 14 is characterized in that, described method also comprises:
The proprietary reference signal of all carrying described antenna port in each Resource Block of described symbol that is meant in described sub-district;
The proprietary reference signal of described antenna port that is meant of described user is carried on the running time-frequency resource at user's Physical Downlink Shared Channel place.
16., it is characterized in that the described processing that 8 antenna ports are divided into 3 antenna port groups comprises according to claim 10 or 11 described methods:
The antenna end slogan that described 8 antenna port correspondences are set is respectively 0,1,2,3,4,5,6,7, wherein, it is 0 and 1 antenna port that the described first antenna port group comprises the antenna end slogan, it is 2 and 3 antenna port that the described second antenna port group comprises the antenna end slogan, and it is 4,5,6,7 antenna port that described third antenna port set comprises the antenna end slogan; Perhaps
The antenna end slogan that described 8 antenna port correspondences are set is respectively 0,1,2,3,6,7,8,9, wherein, it is 0 and 1 antenna port that the described first antenna port group comprises the antenna end slogan, it is 2 and 3 antenna port that the described second antenna port group comprises the antenna end slogan, and it is 6,7,8,9 antenna port that described third antenna port set comprises the antenna end slogan.
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| CN 200810135522 CN101355412B (en) | 2008-08-19 | 2008-08-19 | Method for transmitting signal |
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| CN 200810135522 CN101355412B (en) | 2008-08-19 | 2008-08-19 | Method for transmitting signal |
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| WO2010085909A1 (en) * | 2009-02-01 | 2010-08-05 | Huawei Technologies Co., Ltd. | Method for transmitting reference signals |
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| CN109075931B (en) * | 2016-05-06 | 2020-11-17 | 华为技术有限公司 | Reference signal transmission method and device |
| US10979187B2 (en) | 2016-05-06 | 2021-04-13 | Huawei Technologies Co., Ltd. | Reference signal transmission method and apparatus |
| CN107623542A (en) * | 2016-07-13 | 2018-01-23 | 华为技术有限公司 | A kind of method, relevant device and communication system for sending reference signal |
| WO2018010479A1 (en) * | 2016-07-13 | 2018-01-18 | 华为技术有限公司 | Method for transmitting reference signal, related device, and communication system |
| US10826664B2 (en) | 2016-07-13 | 2020-11-03 | Huawei Technologies Co., Ltd. | Reference signal sending method, related device, and communications system |
| CN107623542B (en) * | 2016-07-13 | 2023-09-01 | 华为技术有限公司 | Method for transmitting reference signal, related equipment and communication system |
| WO2018059157A1 (en) * | 2016-09-30 | 2018-04-05 | 华为技术有限公司 | Method, device and system for transmitting reference signal, and storage medium |
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