CN102118867A - Measurement pilot transmission method and device - Google Patents

Abstract

The invention discloses a measurement pilot transmission method, which realizes the transmission of a measurement pilot. A measurement pilot area comprises more than one resource element pair (REP), each REP comprises two resource elements (RE), and the each REP corresponds to an REP identifier. The transmission method comprises the following steps of: acquiring the REP identifier allocated to each antenna port of a cell by a base station side by using cell configuration information according to a set rule; and transmitting the measurement pilot of the each antenna port of the cell on the RE corresponding to the REP identifier. In the scheme of the invention, the REs for the transmission of a channel status information reference signal (CSI-RS) are divided into the REPs, and the REP identifiers allocated to the antenna ports of the cell are acquired by utilizing the known cell configuration information of the base station side and a terminal side according to the set rule, so that the mapping of the multi-cell measurement pilot is realized, the insertion of the measurement pilot of long term evolution-advanced (LTE-A) and the measurement of a channel are further realized, and good measurement performance is obtained.

Description

A kind of transmission method of measurement pilot frequency and device

Technical field

The present invention relates to communication technical field, be meant a kind of transmission method and device of measurement pilot frequency especially.

Background technology

The LTE-A standardization effort carries out, and for satisfying the requirement of its peak rate, 8X8MIMO becomes guardian technique.In this case, just need the reference signal of these 8 antenna ports be configured respectively.When guaranteeing systematic function, reduce the expense of introducing by reference signal as much as possible, the method that the 3GPP meeting has adopted measurement pilot frequency (CSI-RS) and demodulation pilot frequency (DMRS) separately to design and optimize, i.e. dedicated pilot is adopted in demodulation, measures and adopts measurement pilot frequency.

Fig. 1 a is for having routine (Normal) CP Cyclic Prefix (Cyclic Prefix, subframe structure schematic diagram CP).As shown in Figure 1a, under Normal CP, the DMRS of 1-8 stream has taken latter two OFDM symbol of each time slot, and promptly the OFDM symbol 5,6,12 and 13.PDCCH takies OFDM symbol 0,1 and 2 usually, but under little bandwidth, PDCCH can take OFDM symbol 3.

Fig. 1 b is for having the subframe structure schematic diagram of expansion (Extended) CP.Shown in Fig. 1 b, under Extended CP, the DMRS of 1-8 stream has taken latter two OFDM symbol of each time slot, and promptly the OFDM symbol 4,5,10 and 11.PDCCH takies OFDM symbol 0,1 and 2 usually.

On frequency domain, a descending sub frame comprises some Physical Resource Block (Physical Resource Block, PRB), the time length of field of a PRB equal a subframe time length of field (such as, the 1ms of LTE or LTE-A), the frequency domain length of a PRB equals the bandwidth of 12 subcarrier correspondences, (such as, the 180KHZ of LTE or LTE-A).

By above-mentioned analysis as can be known, under present measurement pilot frequency designing requirement and traditional method for designing, the OFDM symbolic number that can be used for measurement pilot transmission seldom can not be supported the transmission of measurement pilot frequency effectively.

Summary of the invention

The invention provides a kind of transmission method and device of measurement pilot frequency, in order to realize the transmission of measurement pilot frequency under many cell conditions.

The sending method of a kind of measurement pilot frequency that the embodiment of the invention provides comprises:

The measurement pilot frequency zone comprises an above resource element to REP, and each REP comprises two resource element RE, the corresponding REP sign of each REP; This method also comprises:

Base station side is utilized community configured information according to the rule of setting, and obtains to distribute to the REP sign of this each antenna port of sub-district;

On the corresponding RE of REP sign, send the measurement pilot frequency of each antenna port.

The dispensing device of a kind of measurement pilot frequency that the embodiment of the invention provides, measurement pilot frequency zone comprise an above resource element to REP, and each REP comprises two resource element RE, the corresponding REP sign of each REP, and this device comprises:

Acquiring unit is used for utilizing community configured information according to the rule of setting, and obtains to distribute to each the REP sign of antenna port of this sub-district, wherein,

Transmitting element is used for identifying the measurement pilot frequency that sends each antenna port on the corresponding RE at REP.

The method of reseptance of a kind of measurement pilot frequency that the embodiment of the invention provides, measurement pilot frequency zone comprise an above resource element to REP, and each REP comprises two resource element RE, the corresponding REP sign of each REP; This method also comprises:

End side obtains to distribute to the REP sign of this each antenna port of sub-district;

On the corresponding RE of REP sign, receive the measurement pilot frequency of this each antenna port of sub-district.

The receiving system of a kind of measurement pilot frequency that the embodiment of the invention provides, this device comprises:

Acquiring unit is used to obtain distribute to the REP sign of this each antenna port of sub-district;

Receiving element is used for identifying the measurement pilot frequency that receives this each antenna port of sub-district on the corresponding RE at REP.

In the embodiment of the invention, the RE of CSI-RS transmission will be can be used as, be divided into REP, also further REP be divided into REPG, utilize base station side and the known community configured information acquisition of end side to distribute to the REP sign of the antenna port of respective cell according to the rule of setting, realize the insertion of LTE-A measurement pilot frequency and the measurement of channel, and obtain good measurement performance.

Description of drawings

Fig. 1 a is the subframe structure schematic diagram with conventional CP;

Fig. 1 b is the subframe structure schematic diagram with expansion CP;

Fig. 2 a is under the conventional CP, and CSI-RS can use the schematic diagram of a kind of embodiment of RE;

Under Fig. 2 b expansion CP, CSI-RS can use the schematic diagram of a RE embodiment;

Under the conventional CP of Fig. 2 c, CSI-RS can use the schematic diagram of a RE embodiment;

Fig. 2 d is under the expansion CP, and CSI-RS can use the schematic diagram of a RE embodiment;

Under the conventional CP of Fig. 2 e, CSI-RS can use the schematic diagram of a RE embodiment;

Fig. 2 f is under the conventional CP, and CSI-RS can use the schematic diagram of a RE embodiment;

Under the conventional CP of Fig. 2 g, CSI-RS can use the schematic diagram of a RE embodiment;

Under the conventional CP of Fig. 2 h, CSI-RS can use the schematic diagram of a RE embodiment;

Under the conventional CP of Fig. 2 i, CSI-RS can use the schematic diagram of a RE embodiment;

Under the conventional CP of Fig. 2 j, CSI-RS can use the schematic diagram of a RE embodiment;

Fig. 3 is the schematic flow sheet of sending method of the measurement pilot frequency of the embodiment of the invention;

Fig. 4 is the schematic flow sheet of method of reseptance of the measurement pilot frequency of the embodiment of the invention;

Fig. 5 is the schematic diagram of grouping method of a kind of grouping, numbering and the REPG of REP;

Fig. 6 is the structural representation of dispensing device of the measurement pilot frequency of the embodiment of the invention;

Fig. 7 is the structural representation of receiving system of the measurement pilot frequency of the embodiment of the invention;

Fig. 8 is another kind of REP, REPG group technology example;

Fig. 9 is a kind of REP, REPG group technology example;

Figure 10 is a kind of REP, REPG group technology example.

Embodiment

In embodiments of the present invention, measurement pilot frequency (CSI-RS) zone comprises an above resource element to REP, and each REP comprises two resource element RE, the corresponding REP sign of each REP; When the transmission of many cell measurements pilot tone, utilize community configured information according to the rule of setting, the REP sign of the antenna port of respective cell is distributed in acquisition, and identifies the measurement pilot frequency of the antenna port of transmission respective cell on the corresponding RE at REP.

Described measurement pilot frequency zone can be for removing public guide frequency place orthogonal frequency division multiplexed OFDM symbol, Rel-9/10 dedicated pilot zone, the shared extra-regional part or all of data area of down control channel PDCCH among the long evolving system LTE.

Certainly, for fear of the negative effect that the R9/R10 demodulation pilot frequency is caused at the measurement pilot frequency power ascension, can be not in the shared OFDM symbol transmission measurement pilot frequency in Rel-9/10 dedicated pilot zone, then described measurement pilot frequency zone can be for removing public guide frequency place orthogonal frequency division multiplexed OFDM symbol among the LTE, the shared shared extra-regional part or all of data area of OFDM symbol, PDCCH, Rel-9/10 dedicated pilot zone.

For example: under conventional CP, be configured to 2 at maximum quantity with the public port (CRS) of LTE, the OFDM symbolic number of PDCCH is configured to be not more than under 3 the situation, the RE that can be used as the CSI-RS transmission is referring to shown in the 2a, the the 3rd, 8,9,10 OFDM symbol wherein, and remove the RE that the extra-regional area part of Rel-9/10 dedicated pilot can be used for transmitting CSI-RS in the 5th, 6,12 and 13 OFDM symbol.

Under expansion CP, be configured to 2 at maximum quantity with the public port (CRS) of LTE, the OFDM symbolic number of PDCCH is configured to be not more than under 3 the situation, the RE that can be used as the CSI-RS transmission is shown in Fig. 2 b, the the 7th, 8 OFDM symbol wherein, and remove the RE that the extra-regional area part of Rel-9/10 dedicated pilot can be used for transmitting CSI-RS in the 4th, 5,10 and 11 OFDM symbol.

Shown in Fig. 2 c, the negative effect that may cause the R9/10 demodulation for fear of the CSI-RS power ascension, under conventional CP, be configured to 2 at maximum quantity with the public port (CRS) of LTE, the OFDM symbolic number of PDCCH is configured to be not more than under 3 the situation, and the RE that can be used as the CSI-RS transmission is the 3rd, 8,9 and 11 zone that the OFDM symbol is shared.

Shown in Fig. 2 d, the negative effect that may cause the R9/10 demodulation for fear of the CSI-RS power ascension, under expansion CP, be configured to 2 at maximum quantity with the public port (CRS) of LTE, the OFDM symbolic number of PDCCH is configured to be not more than under 3 the situation, and the RE that can be used as the CSI-RS transmission is the 7th, 8 zone that the OFDM symbol is shared.

Shown in Fig. 2 e, under conventional CP, be configured to 4 at maximum quantity with the public port (CRS) of LTE, the OFDM symbolic number of PDCCH is configured to be not more than under 3 the situation, the RE that can be used as the CSI-RS transmission is the 3rd, 9,10 an OFDM symbol, and removes the extra-regional area part of Rel-9/10 dedicated pilot in the 5th, 6,12 and 13 OFDM symbol.

Shown in Fig. 2 f, the negative effect that may cause the R9/10 demodulation for fear of the CSI-RS power ascension, under conventional CP, be configured to 4 at maximum quantity with the public port (CRS) of LTE, the OFDM symbolic number of PDCCH is configured to be not more than under 3 the situation, and the RE that can be used as the CSI-RS transmission is the 3rd, 9,10 zone that the OFDM symbol is shared.

Shown in Fig. 2 g, under conventional CP, be configured to 2 at the maximum quantity of the public port (CRS) of LTE, the OFDM symbolic number of PDCCH is configured under 4 the situation, the RE that can be used as the CSI-RS transmission is the 8th, 9,10 zone that the OFDM symbol is included, and removes the extra-regional part of Rel-9/10 dedicated pilot in the 5th, 6,12,13 OFDM symbol.

Shown in Fig. 2 h, the negative effect that may cause the R9/10 demodulation for fear of the CSI-RS power ascension, under conventional CP, be configured to 2 at maximum quantity with the public port (CRS) of LTE, the OFDM symbolic number of PDCCH is configured under 4 the situation, and the RE that can be used as the CSI-RS transmission is the 8th, 9,10 zone that the OFDM symbol is shared.

Shown in Fig. 2 i, under conventional CP, be configured in the OFDM symbolic number that the maximum quantity of the public port (CRS) of LTE is configured to 4 situation, PDCCH under 4 the situation, the RE that can be used as the CSI-RS transmission removes the extra-regional part of Rel-9/10 dedicated pilot in the 9th, 10 and the 5th, 6,12,13 the OFDM symbol.

Shown in Fig. 2 j, the negative effect that may cause the R9/10 demodulation for fear of the CSI-RS power ascension, under conventional CP, be configured in the OFDM symbolic number that the maximum quantity of the public port (CRS) of LTE is configured to 4 situation, PDCCH under 4 the situation, the RE that can be used as the CSI-RS transmission is the 9th, 10 OFDM symbol region.

Referring to shown in Figure 3, the embodiment of the invention realizes that the sending method of measurement pilot frequency is specific as follows:

Step 301: base station side is utilized community configured information according to the rule of setting, and obtains to distribute to the REP sign of this each antenna port of sub-district.

Described community configured information comprises in the System Frame Number of the included antenna port number of cell ID, this sub-district, sub-district and the subframe numbers one or more.

Step 302: base station side sends the measurement pilot frequency of this each antenna port of sub-district on the corresponding RE of REP sign.

In embodiments of the present invention, the REP that comprises in the described measurement pilot frequency zone can be divided into the right group REPG of more than one resource element, the REP that each REPG comprises is inequality, the corresponding REPG sign of each REPG.

Can utilize community configured information to obtain to distribute to the REP sign of this each antenna port of sub-district, such as: utilize cell ID to shine upon according to first rule of setting, the REPG sign of this sub-district is distributed in acquisition, and described first rule comprises: the corresponding relation of cell ID and REPG sign; The REPG sign and the included antenna port number in this sub-district that distribute according to the second rule utilization of setting shine upon, the REP sign of this each antenna port of sub-district is distributed in acquisition, and described second rule comprises: the corresponding relation of each antenna port that REPG sign and this sub-district comprise.

Also can adopt the mode transmission measurement pilot tone of frequency hopping, this mode is relevant with the System Frame Number of sub-district.Such as: utilize the System Frame Number of cell ID and sub-district to shine upon the REPG sign that obtains to distribute to this sub-district according to the three sigma rule of setting, described three sigma rule comprises: the corresponding relation of the System Frame Number of cell ID and sub-district and REPG sign; The included antenna port number in REPG sign, this sub-district that this sub-district is distributed in utilization shines upon according to the 4th rule of setting, the REP sign of this each antenna port of sub-district is distributed in acquisition, and described the 4th rule comprises: the corresponding relation of each antenna port that REPG identifies, this sub-district is included and REP sign.

Can also directly utilize certain rule to obtain to distribute to the REP sign of this each antenna port of sub-district, such as: utilize community configured information according to the 5th rule of setting directly mapping obtain to distribute to each the REP sign of antenna port of this sub-district, described the 5th rule comprises: cell ID and each included antenna port of this sub-district, and with the corresponding relation of REP sign.

Base station side can implicit expression the sending zone of the concrete measurement pilot frequency of notice end side, such as: broadcast the community configured information of this sub-district by broadcast, end side can utilize the community configured information of receiving to obtain the sending zone of measurement pilot frequency.

Also can be by the sending zone of the concrete measurement pilot frequency of display notification end side.Such as: base station side can send to end side with the REP sign of distributing to this sub-district, also the REPG sign of distributing to this sub-district can be sent to end side.

Referring to shown in Figure 4, the method for reseptance of a kind of measurement pilot frequency of the embodiment of the invention may further comprise the steps:

Step 401: end side is utilized the community configured information of persistent district according to the rule of setting, and obtains to distribute to the REP sign of this each antenna port of sub-district.

Step 402: the measurement pilot frequency that on the corresponding RE of REP sign, receives this each antenna port of sub-district.

End side can receive the REP sign of distributing to this each antenna port of sub-district of network side transmission or the REPG sign of this sub-district.This is the mode of base station side display notification.

When receiving the REPG sign, can utilize the rule of setting to shine upon the REP that obtains this each antenna port of sub-district.The mapping mode that specifically utilizes the REPG sign to obtain REP utilizes the mode of REPG sign acquisition REP identical with base station side.

End side also can be utilized the community configured information of persistent district according to the rule of setting, and obtains to distribute to the REP sign of this each antenna port of sub-district, and this is the mode of base station side implicit expression notice.Such as: broadcast the community configured information of this sub-district by broadcast, end side can utilize the community configured information of receiving to obtain the sending zone of measurement pilot frequency.The REP label manner that the obtaining of end side distributed to this each antenna port of sub-district and base station side to obtain rule identical, repeat no more here.

Lift specific embodiment below and describe specific implementation process of the present invention in detail.

One, REP and REPG group technology:

On the RE that CSI-RS can use, per 2 are divided into one group, are called RE to (RE Pair, REP), two RE among each REP are the individual subcarrier of interval N (N is a natural number) on frequency domain, and gives different numbering of each REP, numbers since 0, to N _REP-1 finishes N _REPThe sum of expression REP.With all REP according to from small to large rank order of numbering, every 4 continuous REP form a REP the group (RE Pair Group, REPG).The grouping method of a kind of grouping, numbering and the REPG of REP, as shown in Figure 5:

As shown in Figure 5, always have 48 RE that can be used as the CSI-RS transmission, 12 RE on each OFDM symbol according to a frequency domain interval N=6 subcarrier, are divided into 6 REP.Among Figure 13, have 24 REP on 4 OFDM symbols, these 24 REP be numbered 0,1 ..., 23, a kind of method for numbering serial is as shown in figure 13.Then, with 24 REP among Figure 13, be divided into 6 REPG successively according to numbering order from small to large, each REPG comprises 4 REP, and the corresponding relation of REP and REPG is as shown in table 1:

?REPG Index	REP Index
		0	0，1，2，3
1	4，5，6，7
		2	8，9，10，11
3	12，13，14，15
		4	16，17，18，19
5	20，21，22，23

Table 1

Two, REPG arrives the mapping method of sub-district:

A REPG comprises 4 REP, can shine upon 4 antenna ports to a sub-district, is used for the transmission of 4 the antenna port CSI-RS in this sub-district.REPG is meant the method that is identified for the REPG of this sub-district CSI-RS transmission in available REPG set to the mapping of sub-district.REPG is as follows to the mapping method of sub-district:

When the antenna port number of sub-district was 4, the REPG that can be used for 4 the antenna port transmission in this sub-district CSI-RS was:

${\mathrm{REPG}}_{\mathrm{Index}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right)---\left(1\right)$

When the antenna port number of sub-district is 8,

The REPG that can be used for preceding 4 antenna ports transmission in this sub-district CSI-RS is:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right)---\left(2\right)$

The REPG that can be used for 4 antenna port transmission CSI-RS behind the local area is:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}=N_{\mathrm{cluster}}-\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right)\right)-1---\left(3\right)$

In formula (1), (2), (3), N _ClusterBe natural number, can represent the number of sub-district in one group of sub-district; N _ID ^CellThe identifier of expression sub-district (physical layer identity, ID).

Three, REP is to the mapping method of antenna port:

A REP comprises 2 RE, can be used for the transmission of an antenna port CSI-RS.REP refers to the REP that will distribute among the REPG of this sub-district to the mapping of antenna port and distributes to each antenna port of this sub-district.REP is as follows to the mapping method of antenna port:

When the antenna port number of sub-district is 4, can be used for 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of CSI-RS transmission is respectively:

REP _Index＝4REPG _Index+Port _Index (4)

When the antenna port number of sub-district is 8,

Can be used for preceding 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of CSI-RS transmission is respectively:

REP _Index＝4REPG _{Index_First}+Port _Index (5)

Can be used for 4 antenna port (Port behind this sub-district _Index=5,6,7,8) REP of CSI-RS transmission is respectively:

REP _Index＝4REPG _{Index_Last}+Port _Index (6)

In formula (4), (5), (6), REPG _Index, REPG _{Index_First}And REP _{Index_Ldst}Definition in formula (1), (2), (3) respectively.

Four, the frequency-hopping method of REPG:

REPG can also adopt the method for frequency hopping to the mapping of sub-district.The frequency hopping of REPG refer to different time constantly, REPG is to the mapping method difference of sub-district, promptly REPG to the mapping method of sub-district except outside the Pass having with sub-district ID, sub-district port number, or the function of system time.Under the situation that allows frequency hopping, REPG is as follows to the mapping method of sub-district:

When the antenna port number of sub-district was 4, the REPG that can be used for 4 the antenna port transmission in this sub-district CSI-RS was:

${\mathrm{REPG}}_{\mathrm{Index}}=(N_{\mathrm{ID}}^{\mathrm{cell}}+N_{\mathrm{SFN}})\mathrm{mod}\left(N_{\mathrm{cluster}}\right)---\left(7\right)$

When the antenna port number of sub-district is 8,

The REPG that can be used for preceding 4 antenna ports transmission in this sub-district CSI-RS is:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=(N_{\mathrm{ID}}^{\mathrm{cell}}+N_{\mathrm{SFN}})\mathrm{mod}\left(N_{\mathrm{cluster}}\right)---\left(8\right)$

The REPG that can be used for 4 antenna port transmission CSI-RS behind the local area is:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}=N_{\mathrm{cluster}}\left((N_{\mathrm{ID}}^{\mathrm{cell}}+N_{\mathrm{SFN}})\mathrm{mod}\left(N_{\mathrm{cluster}}\right)\right)-1---\left(9\right)$

In formula (7), (8), (9), N _SFNThe System Frame Number of expression sub-district.

Under the situation that allows frequency hopping, REPG to the mapping method of sub-district can also be:

When the antenna port number of sub-district was 4, the REPG that can be used for 4 the antenna port transmission in this sub-district CSI-RS was:

When the antenna port number of sub-district is 8,

The REPG that can be used for preceding 4 antenna ports transmission in this sub-district CSI-RS is:

The REPG that can be used for 4 antenna port transmission CSI-RS behind the local area is:

In formula (10), (11), (12), T _CSI-RSThe CSI-RS cycle of expression sub-district, i.e. the CSI-RS interval T of this sub-district _CSI-RSThe subframe transmission primaries.

Under the situation that allows frequency hopping, REPG to the mapping method of sub-district can also be:

When the antenna port number of sub-district was 4, the REPG that can be used for 4 the antenna port transmission in this sub-district CSI-RS was:

When the antenna port number of sub-district is 8,

The REPG that can be used for preceding 4 antenna ports transmission in this sub-district CSI-RS is:

The REPG that can be used for 4 antenna port transmission CSI-RS behind the local area is:

In formula (13), (14), (15), q is a natural number, and c is that a length is M _PNPseudo random sequence, it is fixed to be come by two m sequences.As shown in Equation (16):

$\left\{\begin{array}{c}c\left(n\right)=(x_1(n+N_c)+x_2(n+N_c))\mathrm{mod}2\\ x_1(n+31)=(x_1(n+3)+x_1\left(n\right))\mathrm{mod}2\\ x_2(n+31)=(x_2(n+3)+x_2(n+2)+x_2(n+1)+x_2\left(n\right))\mathrm{mod}2\end{array}\right.---\left(16\right)$

In formula (16), N _c=1600; The initial method of first m sequence is: x ₁(0)=1, x ₁(n)=0, n=1,2 ..., 30; The initial method of second m sequence is: $c_{\mathrm{init}}=\underset{i=0}{\overset{30}{\mathrm{\Σ}}}{x}_2\left(i\right)\·2^i,$ C wherein _InitBe one and sub-district IDN _ID ^CellRelevant amount, such as

Under the situation that allows frequency hopping, REPG to the mapping method of sub-district can also be:

When the antenna port number of sub-district was 4, the REPG that can be used for 4 the antenna port transmission in this sub-district CSI-RS was:

${\mathrm{REPG}}_{\mathrm{Index}}=(N_{\mathrm{ID}}^{\mathrm{cell}}+\underset{i=0}{\overset{q}{\mathrm{\Σ}}}c(q\·N_{\mathrm{SFN}}+i)\·2^i)\mathrm{mod}\left(N_{\mathrm{cluster}}\right)---\left(17\right)$

When the antenna port number of sub-district is 8,

The REPG that can be used for preceding 4 antenna ports transmission in this sub-district CSI-RS is:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=(N_{\mathrm{ID}}^{\mathrm{cell}}+\underset{i=0}{\overset{q}{\mathrm{\Σ}}}c(q\·N_{\mathrm{SFN}}+i)\·2^i)\mathrm{mod}\left(N_{\mathrm{cluster}}\right)---\left(18\right)$

The REPG that can be used for 4 antenna port transmission CSI-RS behind the local area is:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}=N_{\mathrm{cluster}}-(N_{\mathrm{ID}}^{\mathrm{cell}}+\underset{i=0}{\overset{q}{\mathrm{\Σ}}}c(q\·N_{\mathrm{SFN}}+i)\·2^i)\mathrm{mod}\left(N_{\mathrm{cluster}}\right)-1---\left(19\right)$

Five, REP maps directly to the method for antenna in cell port:

The REP that can be used as the CSI-RS transmission also can map directly to the antenna port of each sub-district without separating into REPG, is used for the transmission of each antenna in cell port CSI-RS.The method that REP maps directly to the antenna in cell port can be:

${\mathrm{REP}}_{\mathrm{Index}}=(N_{\mathrm{ID}}^{\mathrm{cell}}{N}_{\mathrm{cell}\_\mathrm{space}}+{\mathrm{Port}}_{\mathrm{Index}})\mathrm{mod}\left(N_{\mathrm{REP}}\right)---\left(20\right)$

In formula (20), REP _IndexIt is N that expression is used for sub-district ID _ID ^CellThe Port of sub-district _IndexThe REP of individual antenna port transmission CSI-RS; N _REPExpression can be used as the sum of the REP of CSI-RS transmission; N _{Cell space}Be natural number, can represent to be used for the interval between the REP of adjacent two cell transmission CSI-RS.

The method that REP maps directly to the antenna in cell port can also be:

${\mathrm{REP}}_{\mathrm{Index}}=(N_{\mathrm{cell}\_\mathrm{space}}\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{REP}}\right)\right)+{\mathrm{Port}}_{\mathrm{Index}})\mathrm{mod}\left(N_{\mathrm{REP}}\right)---\left(21\right)$

The method that REP maps directly to the antenna in cell port can also be:

${\mathrm{REP}}_{\mathrm{Index}}=(N_{\mathrm{ID}}^{\mathrm{cell}}+N_{\mathrm{port}\_\mathrm{space}}{\mathrm{Port}}_{\mathrm{Index}})\mathrm{mod}\left(N_{\mathrm{REP}}\right)---\left(22\right)$

In the formula (22), N _{Port_space}Be natural number, can represent to can be used for the interval between the REP of 2 the antenna port CSI-RS transmission in same sub-district.

The method that REP maps directly to the antenna in cell port can also be:

${\mathrm{REP}}_{\mathrm{Index}}=(N_{\mathrm{ID}}^{\mathrm{cell}}{N}_{\mathrm{cell}\_\mathrm{space}}+N_{\mathrm{SFN}}+{\mathrm{Port}}_{\mathrm{Index}})\mathrm{mod}\left(N_{\mathrm{REP}}\right)---\left(23\right)$

The method that REP maps directly to the antenna in cell port can also be:

${\mathrm{REP}}_{\mathrm{Index}}=(N_{\mathrm{cell}\_\mathrm{space}}\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{REP}}\right)\right)+N_{\mathrm{SFN}}+{\mathrm{Port}}_{\mathrm{Index}})\mathrm{mod}\left(N_{\mathrm{REP}}\right)---\left(24\right)$

The method that REP maps directly to the antenna in cell port can also be:

${\mathrm{REP}}_{\mathrm{Index}}=({N_{\mathrm{ID}}^{\mathrm{cell}}+N}_{\mathrm{SFN}}+N_{\mathrm{port}\_\mathrm{space}}{\mathrm{Port}}_{\mathrm{Index}})\mathrm{mod}\left(N_{\mathrm{REP}}\right)---\left(25\right)$

The method that REP maps directly to the antenna in cell port can also be:

${\mathrm{REP}}_{\mathrm{Index}}=(N_{\mathrm{ID}}^{\mathrm{cell}}{N}_{\mathrm{cell}\_\mathrm{space}}+\underset{i=0}{\overset{q}{\mathrm{\Σ}}}(c(q\·N_{\mathrm{SFN}}+i)\·2^i)+{\mathrm{Port}}_{\mathrm{Index}})\mathrm{mod}\left(N_{\mathrm{REP}}\right)---\left(26\right)$

The method that REP maps directly to the antenna in cell port can also be:

The method that REP maps directly to the antenna in cell port can also be:

${\mathrm{REP}}_{\mathrm{Index}}=(N_{\mathrm{cell}\_\mathrm{space}}\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{REP}}\right)\right)+\underset{i=0}{\overset{q}{\mathrm{\Σ}}}(c(q\·N_{\mathrm{SFN}}+i)\·2^i)+{\mathrm{Port}}_{\mathrm{Index}})\mathrm{mod}\left(N_{\mathrm{REP}}\right)---\left(28\right)$

The method that REP maps directly to the antenna in cell port can also be:

The method that REP maps directly to the antenna in cell port can also be:

${\mathrm{REP}}_{\mathrm{Index}}=(N_{\mathrm{ID}}^{\mathrm{cell}}+\underset{i=0}{\overset{q}{\mathrm{\Σ}}}(c(q\·N_{\mathrm{SFN}}+i)\·2^i)+N_{\mathrm{port}\_\mathrm{space}}{\mathrm{Port}}_{\mathrm{Index}})\mathrm{mod}\left(N_{\mathrm{REP}}\right)---\left(30\right)$

The method that REP maps directly to the antenna in cell port can also be:

Referring to shown in Figure 6, the dispensing device of a kind of measurement pilot frequency of the embodiment of the invention comprises:

Acquiring unit 61 is used to obtain to distribute to each the REP sign of antenna port of this sub-district;

Transmitting element 62 is used for identifying the measurement pilot frequency that sends each antenna port on the corresponding RE at REP.

Described transmitting element, the REP sign that can be further used for distributing to this sub-district sends to end side.

Described transmitting element, the REPG sign that can be further used for distributing to this sub-district sends to end side.

Described measurement pilot frequency zone is for removing public guide frequency place orthogonal frequency division multiplexed OFDM symbol, Rel-9/10 dedicated pilot zone, the shared extra-regional part or all of data area of down control channel PDCCH among the long evolving system LTE.

Described measurement pilot frequency zone is for removing public guide frequency place OFDM symbol among the system LTE, the shared shared extra-regional part or all of data area of OFDM symbol, PDCCH, Rel-9/10 dedicated pilot zone.

Described community configured information comprises the System Frame Number of the included antenna port number of cell ID, this sub-district, sub-district and in the subframe numbers one or more.

Group REPG, each REPG that it is right that described measurement pilot frequency zone comprises more than one resource element comprise an above REP, and the REP that each REPG comprises is inequality, the corresponding REPG sign of each REPG.

Described acquiring unit is used for utilizing cell ID to shine upon according to first rule of setting, and obtains to distribute to the REPG sign of this sub-district; The REPG sign and the included antenna port number in this sub-district that distribute according to the second rule utilization of setting shine upon, the REP sign of this each antenna port of sub-district is distributed in acquisition, wherein, described first rule comprises: the corresponding relation of cell ID and REPG sign, described second rule comprises: the corresponding relation of each antenna port that REPG sign and this sub-district comprise.As: as described in acquiring unit, can be used for obtaining according to following formula, obtain to distribute to the REPG sign of this sub-district:

${\mathrm{REPG}}_{\mathrm{Index}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right);$ Or

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right),$

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}=N_{\mathrm{cluster}}-\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right)\right)-1;$

Wherein, N _ClusterBe natural number, represent the number of sub-district in one group of sub-district; N _ID ^CellThe expression cell ID; REPG _IndexBe expressed as when the antenna port number of sub-district is 4, can be used for 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of measurement pilot transmission sign; REPG _{Index_First}Expression can be used for preceding 4 the antenna port (Port in this sub-district when the antenna port number of sub-district is 8 _Index=0,1,2,3) REP of measurement pilot transmission, REPG _{Index_Last}Expression can be used for 4 antenna port (Port behind this sub-district when the antenna port number of sub-district is 8 _Index=5,6,7,8) REP of measurement pilot transmission sign.

Described acquiring unit can be used for distributing to according to following formula utilization the REPG sign and the included antenna port number in this sub-district of this sub-district, obtains to distribute to the REP sign of this each antenna port of sub-district:

REP _Index=4REPG _Index+ Port _IndexOr

REP _Index＝4REPG _{Index_First}+Port _Index，

REP _Index＝4REPG _{Index_Last}+Port _Index；

Wherein, N _ClusterBe natural number, represent the number of sub-district in one group of sub-district; REPG _IndexBe expressed as when the antenna port number of sub-district is 4, can be used for 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of measurement pilot transmission sign; N _ID ^CellThe expression cell ID; REPG _{Index_First}Expression can be used for preceding 4 the antenna port (Port in this sub-district when the antenna port number of sub-district is 8 _Index=0,1,2,3) REP of measurement pilot transmission, REPG _{Index_Last}Expression can be used for 4 antenna port (Port behind this sub-district when the antenna port number of sub-district is 8 _Index=5,6,7,8) REP of measurement pilot transmission sign.

Described acquiring unit can utilize the System Frame Number of cell ID and sub-district to shine upon the REPG sign that obtains to distribute to this sub-district according to the three sigma rule of setting; The included antenna port number in REPG sign, this sub-district that this sub-district is distributed in utilization shines upon according to the 4th rule of setting, the REP sign of this each antenna port of sub-district is distributed in acquisition, described three sigma rule comprises: the corresponding relation of the System Frame Number of cell ID and sub-district and REPG sign, described the 4th rule comprises: the corresponding relation of each antenna port that REPG identifies, this sub-district is included and REP sign.

Described acquiring unit, can be used to utilize community configured information to distribute to the REP sign of the antenna port of this sub-district according to the direct mapping acquisition of the 5th rule of setting, described the 5th rule comprises: cell ID and each included antenna port of this sub-district, and with the corresponding relation of REP sign.

Referring to shown in Figure 7, the receiving system of a kind of measurement pilot frequency of the embodiment of the invention comprises:

Acquiring unit 71 is used for utilizing according to the rule of setting the community configured information of persistent district, obtains to distribute to the REP sign of this each antenna port of sub-district;

Receiving element 72 is used for identifying the measurement pilot frequency that receives this each antenna port of sub-district on the corresponding RE at REP.

Described acquiring unit, the REP sign that can be used for this each antenna port of sub-district of sending from the network side that receives obtains to distribute to the REP sign of this each antenna port of sub-district.

Described acquiring unit can be used for end side and utilize the community configured information of persistent district according to the rule of setting, and obtains to distribute to the REP sign of this each antenna port of sub-district.

Described measurement pilot frequency zone is for removing public guide frequency place orthogonal frequency division multiplexed OFDM symbol, Rel-9/10 dedicated pilot zone, the shared extra-regional part or all of data area of down control channel PDCCH among the long evolving system LTE.

Described measurement pilot frequency zone is for removing public guide frequency place OFDM symbol among the system LTE, the shared shared extra-regional part or all of data area of OFDM symbol, PDCCH, Rel-9/10 dedicated pilot zone.

Described community configured information comprises in the System Frame Number of the included antenna port number of cell ID, this sub-district, sub-district and the subframe numbers one or more.

Group REPG, each REPG that it is right that described measurement pilot frequency zone comprises more than one resource element comprise an above REP, and the REP that each REPG comprises is inequality, the corresponding REPG sign of each REPG.

Described acquiring unit is used to receive the REPG sign of distributing to this each antenna port of sub-district that network side sends; Utilize second rule of setting to utilize the REPG sign and the included antenna port number in this sub-district of distribution to shine upon, the REP sign of this each antenna port of sub-district is distributed in acquisition, and described second rule comprises: the corresponding relation of each antenna port that REPG sign and this sub-district comprise.

Described acquiring unit is used for utilizing cell ID to shine upon according to first rule of setting, and obtains to distribute to the REPG sign of this sub-district; The REPG sign and the included antenna port number in this sub-district that distribute according to the second rule utilization of setting shine upon, and obtain to distribute to the REP sign of this each antenna port of sub-district, and described first rule comprises: the corresponding relation of cell ID and REPG sign; Described second rule comprises: the corresponding relation of each antenna port that REPG sign and this sub-district comprise.

When adopting the implicit expression mode to notify, the receiving system of the embodiment of the invention is identical with the REP sign of obtaining each antenna port of sub-district of acquiring unit in the dispensing device, promptly utilize the local known community configured information of identical algorithm utilization to get access to the REP sign of each antenna port of sub-district, repeat no more here.

Lift specific embodiment 1 and 2 below and further specify technical scheme of the present invention.

Embodiment 1: the negative effect that may cause the R9/10 demodulation for fear of the CSI-RS power ascension, under conventional CP, be configured to 2 at maximum quantity with the public port (CRS) of LTE, the OFDM symbolic number of PDCCH is configured to be not more than under 3 the situation, and the RE Pattern that can be used as the CSI-RS transmission as shown in Figure 5.According to 4.2 the joint REP, the REPG group technologies that provide, make among the REP frequency domain interval N=6 between two RE, can obtain REP shown in Figure 5, REPG Pattern.It is worthy of note that the method for numbering serial of REP can be arbitrarily, provided another REP, REPG group technology such as Fig. 8.

With Fig. 5 or 8 is example, below provided REPG to the sub-district and REP to the mapping method of antenna port:

Suppose that there is N the cluster sub-district _ClusterWhen the sub-district of=6 4 antenna ports was formed, can be used for ID was N _ID ^CellThe REPG of sub-district 4 antenna ports transmission CSI-RS be:

${\mathrm{REPG}}_{\mathrm{Index}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(6\right)$

Then ID is N _ID ^CellThe Port of sub-district _Index=0,1,2, the REP of 3 antenna port transmission CSI-RS is: REP _Index=4REPG _Index+ Port _Index

When supposing that the cluster sub-district is made up of the sub-district of 38 antenna ports, make N _Cluster=6,

Can be used for ID is N _ID ^CellThe REPG of preceding 4 antenna ports transmission in sub-district CSI-RS be:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(6\right)$

Can be used for ID is N _ID ^CellThe sub-district after the REPG of 4 antenna ports transmission CSI-RS be:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}=6-\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(6\right)\right)-1$

Then can be used for preceding 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of CSI-RS transmission is respectively:

REP _Index＝4REPG _{Index_First}+Port _Index

Can be used for 4 antenna port (Port behind this sub-district _Index=5,6,7,8) REP of CSI-RS transmission is respectively:

REP _Index＝4REPG _{Index_Ldst}+Port _Index

Suppose that there are 5 sub-districts the cluster sub-district, the antenna port number that 4 sub-districts are wherein arranged is 4, and the antenna port number of other 1 sub-district is 8, makes N _Cluster=6, and hypothesis $N_{\mathrm{ID}}^{\mathrm{cell}}m\mathrm{od}\left(6\right)=0$ The sub-district 8 antenna ports are arranged, then:

Can be used for $N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(6\right)=0$ The REPG of preceding 4 antenna ports transmission in sub-district CSI-RS be:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(6\right)$

Can be used for $N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(6\right)=0$ The sub-district after the REPG of 4 antenna ports transmission CSI-RS be:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}=6-\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(6\right)\right)-1$

The REPG that can be used for 4 the antenna port transmission in other 4 sub-districts CSI-RS is:

${\mathrm{REPG}}_{\mathrm{Index}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(6\right)$

The REP that then can be used for all antenna port transmission CSI-RS of 5 sub-districts of this bunch is as shown in table 2:

N ID cellmod(6)	Port Port IndexCorresponding REP Index
		0	0，1，2，3，20，21，22，23
1	4，5，6，7
		2	8，9，10，11
3	12，13，14，15
		4	16，17，18，19

Table 2

Embodiment 2: under conventional CP, be configured to 2 at the maximum quantity with the public port (CRS) of LTE, the OFDM symbolic number of PDCCH is configured to be not more than under 3 the situation, and the RE Pattern that can be used as the CSI-RS transmission as shown in Figure 1.The REP that Fig. 5 provides, REPG group technology make among the REP, and the frequency domain interval N=6 between two RE can obtain the diagram of the REP shown in Fig. 9 or 10, REPG.

With Fig. 9 or 10 is example, below provided REPG to the sub-district and REP to the mapping method of antenna port:

Suppose that there is N the cluster sub-district _ClusterWhen the sub-district of=8 4 antenna ports was formed, can be used for ID was N _ID ^CellThe REPG of sub-district 4 antenna ports transmission CSI-RS be:

${\mathrm{REPG}}_{\mathrm{Index}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(8\right)$

Then ID is N _ID ^CellThe Port of sub-district _Index=0,1,2, the REP of 3 antenna port transmission CSI-RS is: REP _Index=4REPG _Index+ Port _Index

When supposing that the cluster sub-district is made up of the sub-district of 48 antenna ports, make N _Cluster=8,

Can be used for ID is N _ID ^CellThe REPG of preceding 4 antenna ports transmission in sub-district CSI-RS be:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(8\right)$

Can be used for ID is N _ID ^CellThe sub-district after the REPG of 4 antenna ports transmission CSI-RS be:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}={8-(N}_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(8\right))-1$

Then can be used for preceding 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of CSI-RS transmission is respectively:

REP _Index＝4REPG _{Index_First}+Port _Index

Can be used for 4 antenna port (Port behind this sub-district _Index=5,6,7,8) REP of CSI-RS transmission is respectively:

REP _Index＝4REPG _{Index_Last}+Port _Index

Suppose that there are 7 sub-districts the cluster sub-district, the antenna port number that 6 sub-districts are wherein arranged is 4, and the antenna port number of other 1 sub-district is 8, makes N _Cluster=8, and hypothesis $N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(8\right)=0$ The sub-district 8 antenna ports are arranged, then:

Can be used for $N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(8\right)=0$ The REPG of preceding 4 antenna ports transmission in sub-district CSI-RS be:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(8\right)$

Can be used for $N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(8\right)=0$ The sub-district after the REPG of 4 antenna ports transmission CSI-RS be:

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}=8-\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(8\right)\right)-1$

The REPG that can be used for 4 the antenna port transmission in other 4 sub-districts CSI-RS is:

${\mathrm{REPG}}_{\mathrm{Index}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(8\right)$

The REP of CSI-RS that then can be used for all antenna ports transmission of 7 sub-districts of this bunch is as shown in table 3:

N ID cellmod(8)	Port Port IndexCorresponding REP Index
		0	0，1，2，3，28，29，30，31
1	4，5，6，7
		2	8，9，10，11
3	12，13，14，15
		4	16，17，18，19
5	20，21，22，23
		6	24，25，26，27

Table 3

In the embodiment of the invention, adopt maximum quantity with the public port (CRS) of LTE to be configured to 2 or be 3 with the OFDM symbolic number maximum configured of PDCCH.The RE of CSI-RS transmission will be can be used as, be divided into REP, also further REP be divided into REPG, can implicitly notify user terminal in this sub-district, realize the mapping of many cell measurements pilot tone, and then realize the insertion of LTE-A measurement pilot frequency and the measurement of channel, and obtain good measurement performance.

Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (50)

1. the sending method of a measurement pilot frequency is characterized in that, the measurement pilot frequency zone comprises an above resource element to REP, and each REP comprises two resource element RE, the corresponding REP sign of each REP; This method also comprises:

Base station side is utilized community configured information according to the rule of setting, and obtains to distribute to the REP sign of this each antenna port of sub-district;

On the corresponding RE of REP sign, send the measurement pilot frequency of each antenna port.

2. method according to claim 1, it is characterized in that described measurement pilot frequency zone is for removing public guide frequency place orthogonal frequency division multiplexed OFDM symbol, Rel-9/10 dedicated pilot zone, the shared extra-regional part or all of data area of down control channel PDCCH among the long evolving system LTE.

3. method according to claim 1, it is characterized in that described measurement pilot frequency zone is for removing public guide frequency place OFDM symbol among the LTE, the shared shared extra-regional part or all of data area of OFDM symbol, PDCCH, Rel-9/10 dedicated pilot zone.

4. method according to claim 1 is characterized in that, described community configured information comprises in the System Frame Number of the included antenna port number of cell ID, this sub-district, sub-district and the subframe numbers one or more.

5. method according to claim 4 is characterized in that, the REP that comprises in the described measurement pilot frequency zone is divided into the right group REPG of more than one resource element, and the REP that each REPG comprises is inequality, the corresponding REPG sign of each REPG.

6. method according to claim 5 is characterized in that, then obtains to distribute to the REP sign of this each antenna port of sub-district, comprising:

Utilize cell ID to shine upon according to first rule of setting, obtain to distribute to the REPG sign of this sub-district, described first rule comprises: the corresponding relation of cell ID and REPG sign;

The REPG sign and the included antenna port number in this sub-district that distribute according to the second rule utilization of setting shine upon, the REP sign of this each antenna port of sub-district is distributed in acquisition, and described second rule comprises: the corresponding relation of each antenna port that REPG sign and this sub-district comprise.

7. method according to claim 6 is characterized in that, according to following formula, utilizes cell ID to shine upon the REPG sign that this sub-district is distributed in acquisition: ${\mathrm{REPG}}_{\mathrm{Index}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right);$ Or

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right),$

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}=N_{\mathrm{cluster}}-\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right)\right)-1;$

Wherein, N _ClusterBe natural number, represent the number of sub-district in one group of sub-district; N _ID ^CellThe expression cell ID; REPG _IndexBe expressed as when the antenna port number of sub-district is 4, can be used for 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of measurement pilot transmission sign; REPG _{Index_First}Expression can be used for preceding 4 the antenna port (Port in this sub-district when the antenna port number of sub-district is 8 _Index=0,1,2,3) REP of measurement pilot transmission, REPG _{Index_Last}Expression can be used for 4 antenna port (Port behind this sub-district when the antenna port number of sub-district is 8 _Index=5,6,7,8) REP of measurement pilot transmission sign.

8. method according to claim 6 is characterized in that, the REPG that distributes to this sub-district according to following formula utilization identifies and the included antenna port number in this sub-district, obtains to distribute to the REP sign of this each antenna port of sub-district:

REP _Index=4REPG _Index+ Port _IndexOr

REP _Index＝4REPG _{Index_First}+Port _Index，

REP _Index＝4REPG _{Index_Last}+Port _Index；

Wherein, N _ClusterBe natural number, represent the number of sub-district in one group of sub-district; REPG _IndexBe expressed as when the antenna port number of sub-district is 4, can be used for 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of measurement pilot transmission sign; N _ID ^CellThe expression cell ID; REPG _{Index_First}Expression can be used for preceding 4 the antenna port (Port in this sub-district when the antenna port number of sub-district is 8 _Index=0,1,2,3) REP of measurement pilot transmission, REPG _{Index_Last}Expression can be used for 4 antenna port (Port behind this sub-district when the antenna port number of sub-district is 8 _Index=5,6,7,8) REP of measurement pilot transmission sign.

9. method according to claim 4 is characterized in that, obtains to distribute to the REP sign of this each antenna port of sub-district, comprising:

Utilize the System Frame Number of cell ID and sub-district to shine upon the REPG sign that obtains to distribute to this sub-district according to the three sigma rule of setting, described three sigma rule comprises: the corresponding relation of the System Frame Number of cell ID and sub-district and REPG sign;

The included antenna port number in REPG sign, this sub-district that this sub-district is distributed in utilization shines upon according to the 4th rule of setting, the REP sign of this each antenna port of sub-district is distributed in acquisition, and described the 4th rule comprises: the corresponding relation of each antenna port that REPG identifies, this sub-district is included and REP sign.

10. method according to claim 1 is characterized in that, obtains to distribute to the REP sign of this each antenna port of sub-district, comprising:

Utilize community configured information according to the 5th rule of setting directly mapping obtain to distribute to each the REP sign of antenna port of this sub-district, described the 5th rule comprises: cell ID and each included antenna port of this sub-district, with the corresponding relation of REP sign.

11. method according to claim 1 is characterized in that, this method further comprises: the REP sign that base station side will be distributed to this sub-district sends to end side.

12. method according to claim 6 is characterized in that, this method further comprises: the REPG sign that base station side will be distributed to this sub-district sends to end side.

13. the dispensing device of a measurement pilot frequency is characterized in that, the measurement pilot frequency zone comprises an above resource element to REP, and each REP comprises two resource element RE, the corresponding REP sign of each REP, and this device comprises:

Acquiring unit is used for utilizing community configured information according to the rule of setting, and obtains to distribute to each the REP sign of antenna port of this sub-district;

Transmitting element is used for identifying the measurement pilot frequency that sends each antenna port on the corresponding RE at REP.

14. device according to claim 13, it is characterized in that described measurement pilot frequency zone is for removing public guide frequency place orthogonal frequency division multiplexed OFDM symbol, Rel-9/10 dedicated pilot zone, the shared extra-regional part or all of data area of down control channel PDCCH among the long evolving system LTE.

15. device according to claim 13, it is characterized in that described measurement pilot frequency zone is for removing public guide frequency place OFDM symbol among the LTE, the shared shared extra-regional part or all of data area of OFDM symbol, PDCCH, Rel-9/10 dedicated pilot zone.

16. device according to claim 13 is characterized in that, described community configured information comprises the System Frame Number of the included antenna port number of cell ID, this sub-district, sub-district and in the subframe numbers one or more.

17. device according to claim 16, it is characterized in that, group REPG, each REPG that it is right that described measurement pilot frequency zone comprises more than one resource element comprise an above REP, and the REP that each REPG comprises is inequality, the corresponding REPG sign of each REPG.

18. device according to claim 17 is characterized in that, described acquiring unit is used for utilizing cell ID to shine upon according to first rule of setting, and obtains to distribute to the REPG sign of this sub-district; The REPG sign and the included antenna port number in this sub-district that distribute according to the second rule utilization of setting shine upon, the REP sign of this each antenna port of sub-district is distributed in acquisition, wherein, described first rule comprises: the corresponding relation of cell ID and REPG sign, described second rule comprises: the corresponding relation of each antenna port that REPG sign and this sub-district comprise.

19. device according to claim 18 is characterized in that, described acquiring unit utilizes cell ID to shine upon according to following formula, obtains to distribute to the REPG sign of this sub-district: ${\mathrm{REPG}}_{\mathrm{Index}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right);$ Or

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right),$

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}=N_{\mathrm{cluster}}-\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right)\right)-1;$

Wherein, N _ClusterBe natural number, represent the number of sub-district in one group of sub-district; N _ID ^CellThe expression cell ID; REPG _IndexBe expressed as when the antenna port number of sub-district is 4, can be used for 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of measurement pilot transmission sign; REPG _{Index_First}Expression can be used for preceding 4 the antenna port (Port in this sub-district when the antenna port number of sub-district is 8 _Index=0,1,2,3) REP of measurement pilot transmission, REPG _{Index_Last}Expression can be used for 4 antenna port (Port behind this sub-district when the antenna port number of sub-district is 8 _Index=5,6,7,8) REP of measurement pilot transmission sign.

20. device according to claim 18, it is characterized in that, described acquiring unit is used for distributing to according to following formula utilization the REPG sign and the included antenna port number in this sub-district of this sub-district, obtains to distribute to the REP sign of this each antenna port of sub-district:

REP _Index=4REPG _Index+ Port _IndexOr

REP _Index＝4REPG _{Index_First}+Port _Index，

REP _Index＝4REPG _{Index_Last}+Port _Index；

Wherein, N _ClusterBe natural number, represent the number of sub-district in one group of sub-district; REPG _IndexBe expressed as when the antenna port number of sub-district is 4, can be used for 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of measurement pilot transmission sign; N _ID ^CellThe expression cell ID; REPG _{Index_First}Expression can be used for preceding 4 the antenna port (Port in this sub-district when the antenna port number of sub-district is 8 _Index=0,1,2,3) REP of measurement pilot transmission, REPG _{Index_Last}Expression can be used for 4 antenna port (Port behind this sub-district when the antenna port number of sub-district is 8 _Index=5,6,7,8) REP of measurement pilot transmission sign.

21. device according to claim 16 is characterized in that, described acquiring unit is used to utilize the System Frame Number of cell ID and sub-district to shine upon the REPG sign that obtains to distribute to this sub-district according to the three sigma rule of setting; The included antenna port number in REPG sign, this sub-district that this sub-district is distributed in utilization shines upon according to the 4th rule of setting, the REP sign of this each antenna port of sub-district is distributed in acquisition, described three sigma rule comprises: the corresponding relation of the System Frame Number of cell ID and sub-district and REPG sign, described the 4th rule comprises: the corresponding relation of each antenna port that REPG identifies, this sub-district is included and REP sign.

22. device according to claim 13, it is characterized in that, described acquiring unit, be used to utilize community configured information to distribute to the REP sign of the antenna port of this sub-district according to the direct mapping acquisition of the 5th rule of setting, described the 5th rule comprises: cell ID and each included antenna port of this sub-district, and with the corresponding relation of REP sign.

23. device according to claim 13 is characterized in that, described transmitting element, and the REP sign that is further used for distributing to this sub-district sends to end side.

24. device according to claim 18 is characterized in that, described transmitting element, and the REPG sign that is further used for distributing to this sub-district sends to end side.

25. the method for reseptance of a measurement pilot frequency is characterized in that, the measurement pilot frequency zone comprises an above resource element to REP, and each REP comprises two resource element RE, the corresponding REP sign of each REP; This method also comprises:

End side obtains to distribute to the REP sign of this each antenna port of sub-district;

On the corresponding RE of REP sign, receive the measurement pilot frequency of this each antenna port of sub-district.

26. method according to claim 25 is characterized in that, end side obtains to distribute to the REP sign of this each antenna port of sub-district, comprising:

End side receives the REP sign of distributing to this each antenna port of sub-district that network side sends.

27. method according to claim 25 is characterized in that, end side is utilized the community configured information of persistent district according to the rule of setting, and obtains to distribute to the REP sign of this each antenna port of sub-district.

28. method according to claim 25, it is characterized in that described measurement pilot frequency zone is for removing public guide frequency place orthogonal frequency division multiplexed OFDM symbol, Rel-9/10 dedicated pilot zone, the shared extra-regional part or all of data area of down control channel PDCCH among the long evolving system LTE.

29. method according to claim 25, it is characterized in that described measurement pilot frequency zone is for removing public guide frequency place OFDM symbol among the system LTE, the shared shared extra-regional part or all of data area of OFDM symbol, PDCCH, Rel-9/10 dedicated pilot zone.

30. method according to claim 27 is characterized in that, described community configured information comprises in the System Frame Number of the included antenna port number of cell ID, this sub-district, sub-district and the subframe numbers one or more.

31. method according to claim 30 is characterized in that, the REP that comprises in the described measurement pilot frequency zone is divided into the right group REPG of more than one resource element, the REP that each REPG comprises is inequality, the corresponding REPG sign of each REPG.

32. method according to claim 31 is characterized in that, end side obtains to distribute to the REP sign of this each antenna port of sub-district, comprising:

End side receives the REPG sign of distributing to this each antenna port of sub-district that network side sends;

Utilize second rule of setting to utilize the REPG sign and the included antenna port number in this sub-district of distribution to shine upon, the REP sign of this each antenna port of sub-district is distributed in acquisition, and described second rule comprises: the corresponding relation of each antenna port that REPG sign and this sub-district comprise.

33. method according to claim 31 is characterized in that, then the REP sign of the antenna port of this sub-district is distributed in acquisition, comprising:

Utilize cell ID to shine upon according to first rule of setting, obtain to distribute to the REPG sign of this sub-district, described first rule comprises: the corresponding relation of cell ID and REPG sign;

The REPG sign and the included antenna port number in this sub-district that distribute according to the second rule utilization of setting shine upon, the REP sign of this each antenna port of sub-district is distributed in acquisition, and described second rule comprises: the corresponding relation of each antenna port that REPG sign and this sub-district comprise.

34. method according to claim 33 is characterized in that, utilizes cell ID according to following formula, obtains to distribute to the REPG sign of this sub-district: ${\mathrm{REPG}}_{\mathrm{Index}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right);$ Or

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right),$

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}=N_{\mathrm{cluster}}-\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right)\right)-1;$

Wherein, N _ClusterBe natural number, represent the number of sub-district in one group of sub-district; N _ID ^CellThe expression cell ID; REPG _IndexBe expressed as when the antenna port number of sub-district is 4, can be used for 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of measurement pilot transmission sign; REPG _{Index_First}Expression can be used for preceding 4 the antenna port (Port in this sub-district when the antenna port number of sub-district is 8 _Index=0,1,2,3) REP of measurement pilot transmission, REPG _{Index_Last}Expression can be used for 4 antenna port (Port behind this sub-district when the antenna port number of sub-district is 8 _Index=5,6,7,8) REP of measurement pilot transmission sign.

35., it is characterized in that the REPG that distributes to this sub-district according to following formula utilization identifies and the included antenna port number in this sub-district according to claim 32 or 33 described methods, obtain to distribute to the REP sign of this each antenna port of sub-district:

REP _Index=4REPG _Index+ Port _IndexOr

REP _Index＝4REPG _{Index_First}+Port _Index，

REP _Index＝4REPG _{Index_Last}+Port _Index；

Wherein, N _ClusterBe natural number, represent the number of sub-district in one group of sub-district; REPG _IndexBe expressed as when the antenna port number of sub-district is 4, can be used for 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of measurement pilot transmission sign; N _ID ^CellThe expression cell ID; REPG _{Index_First}Expression can be used for preceding 4 the antenna port (Port in this sub-district when the antenna port number of sub-district is 8 _Index=0,1,2,3) REP of measurement pilot transmission, REPG _{Index_Last}Expression can be used for 4 antenna port (Port behind this sub-district when the antenna port number of sub-district is 8 _Index=5,6,7,8) REP of measurement pilot transmission sign.

36. method according to claim 31 is characterized in that, obtains to distribute to the REP sign of this each antenna port of sub-district, comprising:

Utilize the System Frame Number of cell ID and sub-district to shine upon the REPG sign that obtains to distribute to this sub-district according to the three sigma rule of setting, described three sigma rule comprises: the corresponding relation of the System Frame Number of cell ID and sub-district and REPG sign;

The included antenna port number in REPG sign, this sub-district that this sub-district is distributed in utilization shines upon according to the 4th rule of setting, the REP sign of this each antenna port of sub-district is distributed in acquisition, and described the 4th rule comprises: the corresponding relation of each antenna port that REPG identifies, this sub-district is included and REP sign.

37. method according to claim 27 is characterized in that, obtains to distribute to the REP sign of this each antenna port of sub-district, comprising:

Utilize community configured information according to the 5th rule of setting directly mapping obtain to distribute to each the REP sign of antenna port of this sub-district, described the 5th rule comprises: cell ID and each included antenna port of this sub-district, with the corresponding relation of REP sign.

38. the receiving system of a measurement pilot frequency is characterized in that, this device comprises:

Acquiring unit is used to obtain distribute to the REP sign of this each antenna port of sub-district;

Receiving element is used for identifying the measurement pilot frequency that receives this each antenna port of sub-district on the corresponding RE at REP.

39. according to the described device of claim 38, it is characterized in that, described acquiring unit, the REP sign that is used for this each antenna port of sub-district of sending from the network side that receives obtains to distribute to the REP sign of this each antenna port of sub-district.

40., it is characterized in that described acquiring unit is used for end side and utilizes the community configured information of persistent district according to the rule of setting, and obtains to distribute to the REP sign of this each antenna port of sub-district according to the described device of claim 38.

41. according to the described device of claim 38, it is characterized in that described measurement pilot frequency zone is for removing public guide frequency place orthogonal frequency division multiplexed OFDM symbol, Rel-9/10 dedicated pilot zone, the shared extra-regional part or all of data area of down control channel PDCCH among the long evolving system LTE.

42. according to the described device of claim 38, it is characterized in that described measurement pilot frequency zone is for removing public guide frequency place OFDM symbol among the system LTE, the shared shared extra-regional part or all of data area of OFDM symbol, PDCCH, Rel-9/10 dedicated pilot zone.

43., it is characterized in that described community configured information comprises in the System Frame Number of the included antenna port number of cell ID, this sub-district, sub-district and the subframe numbers one or more according to the described device of claim 40.

44. according to the described device of claim 43, it is characterized in that, group REPG, each REPG that it is right that described measurement pilot frequency zone comprises more than one resource element comprise an above REP, and the REP that each REPG comprises is inequality, the corresponding REPG sign of each REPG.

45., it is characterized in that described acquiring unit is used to receive the REPG sign of distributing to this each antenna port of sub-district that network side sends according to the described device of claim 44; Utilize second rule of setting to utilize the REPG sign and the included antenna port number in this sub-district of distribution to shine upon, the REP sign of this each antenna port of sub-district is distributed in acquisition, and described second rule comprises: the corresponding relation of each antenna port that REPG sign and this sub-district comprise.

46., it is characterized in that described acquiring unit is used for utilizing cell ID to shine upon according to first rule of setting according to the described device of claim 44, obtain to distribute to the REPG sign of this sub-district; The REPG sign and the included antenna port number in this sub-district that distribute according to the second rule utilization of setting shine upon, and obtain to distribute to the REP sign of this each antenna port of sub-district, and described first rule comprises: the corresponding relation of cell ID and REPG sign; Described second rule comprises: the corresponding relation of each antenna port that REPG sign and this sub-district comprise.

47., it is characterized in that described acquiring unit is used to utilize cell ID according to following formula according to the described device of claim 46, obtain to distribute to the REPG sign of this sub-district: ${\mathrm{REPG}}_{\mathrm{Index}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right);$ Or

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{First}}=N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right),$

${\mathrm{REPG}}_{\mathrm{Index}\_\mathrm{Last}}=N_{\mathrm{cluster}}-\left(N_{\mathrm{ID}}^{\mathrm{cell}}\mathrm{mod}\left(N_{\mathrm{cluster}}\right)\right)-1;$

Wherein, N _ClusterBe natural number, represent the number of sub-district in one group of sub-district; N _ID ^CellThe expression cell ID; REPG _IndexBe expressed as when the antenna port number of sub-district is 4, can be used for 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of measurement pilot transmission sign; REPG _{Index_First}Expression can be used for preceding 4 the antenna port (Port in this sub-district when the antenna port number of sub-district is 8 _Index=0,1,2,3) REP of measurement pilot transmission, REPG _{Index_Last}Expression can be used for 4 antenna port (Port behind this sub-district when the antenna port number of sub-district is 8 _Index=5,6,7,8) REP of measurement pilot transmission sign.

48. according to claim 45 or 46 described devices, it is characterized in that, described acquiring unit is used for distributing to according to following formula utilization the REPG sign and the included antenna port number in this sub-district of this sub-district, obtains to distribute to the REP sign of this each antenna port of sub-district:

REP _Index=4REPG _Index+ Port _IndexOr

REP _Index＝4REPG _{Index_First}+Port _Index，

REP _Index＝4REPG _{Index_Last}+Port _Index；

Wherein, N _ClusterBe natural number, represent the number of sub-district in one group of sub-district; REPG _IndexBe expressed as when the antenna port number of sub-district is 4, can be used for 4 the antenna port (Port in this sub-district _Index=0,1,2,3) REP of measurement pilot transmission sign; N _ID ^CellThe expression cell ID; REPG _{Index_First}Expression can be used for preceding 4 the antenna port (Port in this sub-district when the antenna port number of sub-district is 8 _Index=0,1,2,3) REP of measurement pilot transmission, REPG _{Index_Last}Expression can be used for 4 antenna port (Port behind this sub-district when the antenna port number of sub-district is 8 _Index=5,6,7,8) REP of measurement pilot transmission sign.

49., it is characterized in that described acquiring unit is used to utilize the System Frame Number of cell ID and sub-district to shine upon the REPG sign that obtains to distribute to this sub-district according to the three sigma rule of setting according to the described device of claim 44; The included antenna port number in REPG sign, this sub-district that this sub-district is distributed in utilization shines upon according to the 4th rule of setting, the REP sign of this each antenna port of sub-district is distributed in acquisition, described three sigma rule comprises: the corresponding relation of the System Frame Number of cell ID and sub-district and REPG sign, described the 4th rule comprises: the corresponding relation of each antenna port that REPG identifies, this sub-district is included and REP sign.

50. according to the described device of claim 38, it is characterized in that, described acquiring unit, be used to utilize community configured information according to the 5th rule of setting directly mapping obtain to distribute to each the REP sign of antenna port of this sub-district, described the 5th rule comprises: cell ID and each included antenna port of this sub-district, and with the corresponding relation of REP sign.

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