WO2017036355A1 - Signal transmission method and device for multiple antennas - Google Patents

Signal transmission method and device for multiple antennas Download PDF

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Publication number
WO2017036355A1
WO2017036355A1 PCT/CN2016/096877 CN2016096877W WO2017036355A1 WO 2017036355 A1 WO2017036355 A1 WO 2017036355A1 CN 2016096877 W CN2016096877 W CN 2016096877W WO 2017036355 A1 WO2017036355 A1 WO 2017036355A1
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WO
WIPO (PCT)
Prior art keywords
antennas
antenna
group
dual
polarized
Prior art date
Application number
PCT/CN2016/096877
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French (fr)
Chinese (zh)
Inventor
黄晖
黄建波
钱丰勇
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华为技术有限公司
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Publication of WO2017036355A1 publication Critical patent/WO2017036355A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0671Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different delays between antennas
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming

Definitions

  • the present application relates to the field of mobile communications, and in particular, to a signal transmission method and apparatus for multiple antennas.
  • a multi-antenna antenna system generally consists of a multi-column dual-polarized antenna; in the communication process, signals of multiple logical channels need to be mapped to the ports of the dual-polarized antenna, and signals are transmitted to the receiving end through the dual-polarized antenna. .
  • the layer mapping manner of the logical channel to the dual-polarized antenna adopts a Cyclic Delay Diversity (CDD) technology.
  • CDD Cyclic Delay Diversity
  • the time points at which the antennas transmit signals are inconsistent, and the channel state between the antenna and the user equipment changes with time, the channel state when each antenna transmits a signal is inconsistent, and uneven fading is easily formed. That is, deep fading is formed in some places, resulting in unstable performance gain of the transmitted signal.
  • multiple antennas can be used to simultaneously transmit signals of different logical ports.
  • signals of different logical ports that are simultaneously transmitted by multiple antennas may interfere with each other when received by the user equipment. How to reduce this interference, It is an urgent problem to be solved.
  • the purpose of the application is to provide a signal transmission method and apparatus for multiple antennas, which can reduce different logics for simultaneous transmission of multiple antennas by assigning specific weights to each of the dual-polarized antennas in multiple antennas.
  • the application provides a signal sending method for multiple antennas, where the multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas A total of 16 antennas are included, and the first logical port and the second logical port simultaneously transmit signals by using the 8-column dual-polarized antenna, and the 16 antennas are divided into a first group antenna, a second group antenna, and a third group antenna.
  • a fourth group of antennas wherein a polarization direction of the first group of antennas and the second group of antennas is a first polarization direction, and a polarization direction of the third group of antennas and the fourth group of antennas is a second pole
  • the direction of the first polarization is orthogonal to the direction of the second polarization; the eight columns of dual-polarized antennas are the first column of dual-polarized antennas, the second column of dual-polarized antennas, and the third column.
  • the antenna in the antenna and the antenna in the third group of antennas are respectively attributed to the first column of dual-polarized days a second column of dual-polarized antennas, a third column of dual-polarized antennas, and a fourth column of dual-polarized antennas;
  • the antennas of the second group of antennas and the antennas of the fourth group of antennas are respectively attributed to the a fifth column of dual-polarized antennas, a sixth column of dual-polarized antennas, a seventh column of dual-polarized antennas, and an eighth column of dual-polarized antennas;
  • the method includes:
  • a weighting weight of the fifth antenna sequentially corresponding to the second group of antennas is w 3
  • a weighting weight of the sixth antenna is w 2
  • a weighting weight of the seventh antenna For w 1 , the weighted weight of the eighth antenna is w 0 ;
  • a weighting weight of the ninth antenna sequentially corresponding to the third group of antennas is w 0
  • a weighting weight of the tenth antenna is w 1
  • a weighting weight of the eleventh antenna For w 2 , the weighted weight of the twelfth antenna is w 3 ;
  • the weighted weight of the thirteenth antenna corresponding to the fourth group of antennas is w 3
  • the weighting weight of the fourteenth antenna is w 2
  • the weight of the fifteenth antenna The weight is w 1 and the weighted weight of the sixteenth antenna is w 0 ;
  • the weighting weight of the first antenna corresponding to the first group of antennas is w 3
  • the weighting weight of the second antenna is w 2
  • the weighting weight of the third antenna is w 1
  • the weighting weight of the fourth antenna is w 0 ;
  • a weighting weight of the fifth antenna sequentially corresponding to the second group of antennas is w 0
  • a weighting weight of the sixth antenna is w 1
  • a weighting weight of the seventh antenna For w 2 , the weighted weight of the eighth antenna is w 3 ;
  • a weighting weight of the ninth antenna corresponding to the first group of antennas is w 3
  • a weighting weight of the tenth antenna is w 2
  • a weighting weight of the eleventh antenna For w 1 , the weighted weight of the twelfth antenna is w 0 ;
  • a weighting weight of the thirteenth antenna sequentially corresponding to the fourth group of antennas is w 0
  • a weighting weight of the fourteenth antenna is w 1
  • weighting of the fifteenth antenna The weight is w 2
  • the weighted weight of the sixteenth antenna is w 3 ;
  • the sum of the square of w 0 and the square of the w 3 is equal to 1; the sum of the square of the w 1 and the square of the w 2 is equal to 1.
  • the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
  • the application provides a signal sending method for multiple antennas, where the multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas A total of 16 antennas are included, one of the dual-polarized antennas has a polarization direction of a first polarization direction, and the other antenna has a polarization direction of a second polarization direction, and the first polarization direction is The second polarization direction is orthogonal, and the 8-column dual-polarized antennas are, in order of arrangement, a first column of dual-polarized antennas, a second-row dual-polarized antenna, a third-row dual-polarized antenna, and a fourth-row double a polarized antenna, a fifth column dual polarized antenna, a sixth column dual polarized antenna, a seventh column dual polarized antenna, and an eighth column dual polarized antenna; the 16 antennas are divided into a first group antenna and a second antenna
  • the method includes:
  • the values of w 1 and w 2 are both 1.
  • the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
  • the application provides a signal transmitting apparatus for multiple antennas, where the multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas A total of 16 antennas are included, and the first logical port and the second logical port simultaneously transmit signals by using the 8-column dual-polarized antenna, and the 16 antennas are divided into a first group antenna, a second group antenna, and a third group antenna.
  • a fourth group of antennas wherein a polarization direction of the first group of antennas and the second group of antennas is a first polarization direction, and a polarization direction of the third group of antennas and the fourth group of antennas is a second pole
  • the direction of the first polarization is orthogonal to the direction of the second polarization; the eight columns of dual-polarized antennas are the first column of dual-polarized antennas, the second column of dual-polarized antennas, and the third column.
  • the antenna in the antenna and the antenna in the third group of antennas are respectively attributed to the first column of dual-polarized days a second column of dual-polarized antennas, a third column of dual-polarized antennas, and a fourth column of dual-polarized antennas;
  • the antennas of the second group of antennas and the antennas of the fourth group of antennas are respectively attributed to the a fifth column of dual-polarized antennas, a sixth column of dual-polarized antennas, a seventh column of dual-polarized antennas, and an eighth column of dual-polarized antennas;
  • the device includes:
  • Signal weighted value acquiring unit configured to obtain a first logical port of the first set of antenna weights sequentially a first antenna corresponding weighting value w 0, the weighting value weighting the second antenna weights w 1, the third antenna Weight w 2 , weighted weight w 3 of the fourth antenna;
  • Weight determination means for determining a port of the first logic signal at the second set of antennas sequentially fifth antenna weights corresponding weighting value w 3, right sixth antenna weighting value w 2, of The weighting weight of the seven antennas is w 1 , and the weighting weight of the eighth antenna is w 0 ;
  • a weighting weight of the ninth antenna sequentially corresponding to the third group of antennas is w 0
  • a weighting weight of the tenth antenna is w 1
  • a weighting weight of the eleventh antenna For w 2 , the weighted weight of the twelfth antenna is w 3 ;
  • the weighted weight of the thirteenth antenna corresponding to the fourth group of antennas is w 3
  • the weighting weight of the fourteenth antenna is w 2
  • the weight of the fifteenth antenna The weight is w 1 and the weighted weight of the sixteenth antenna is w 0 ;
  • the weighting weight of the first antenna corresponding to the first group of antennas is w 3
  • the weighting weight of the second antenna is w 2
  • the weighting weight of the third antenna is w 1
  • the weighting weight of the fourth antenna is w 0 ;
  • a weighting weight of the fifth antenna sequentially corresponding to the second group of antennas is w 0
  • a weighting weight of the sixth antenna is w 1
  • a weighting weight of the seventh antenna For w 2 , the weighted weight of the eighth antenna is w 3 ;
  • a weighting weight of the ninth antenna corresponding to the first group of antennas is w 3
  • a weighting weight of the tenth antenna is w 2
  • a weighting weight of the eleventh antenna For w 1 , the weighted weight of the twelfth antenna is w 0 ;
  • a weighting weight of the thirteenth antenna sequentially corresponding to the fourth group of antennas is w 0
  • a weighting weight of the fourteenth antenna is w 1
  • weighting of the fifteenth antenna The weight is w 2
  • the weighted weight of the sixteenth antenna is w 3 ;
  • a minus sign adding unit configured to add a negative sign to the weighting weight of the mth group antenna for the signal of the first logical port
  • a signal sending unit configured to send, by using a weight corresponding to each of the 16 antennas, a signal of the first logical port and a signal of the second logical port.
  • the sum of the square of w 0 and the square of the w 3 is equal to 1; the sum of the square of the w 1 and the square of the w 2 is equal to 1.
  • the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
  • the application provides a signal transmitting apparatus for multiple antennas, where the multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas A total of 16 antennas are included, one of the dual-polarized antennas has a polarization direction of a first polarization direction, and the other antenna has a polarization direction of a second polarization direction, and the first polarization direction is The second polarization direction is orthogonal, and the 8-column dual-polarized antennas are, in order of arrangement, a first column of dual-polarized antennas, a second-row dual-polarized antenna, a third-row dual-polarized antenna, and a fourth-row double a polarized antenna, a fifth column dual polarized antenna, a sixth column dual polarized antenna, a seventh column dual polarized antenna, and an eighth column dual polarized antenna; the 16 antennas are divided into a first group antenna and a second
  • the device includes:
  • a weight obtaining unit configured to acquire a weighting weight w 1 corresponding to a signal of the first logical port
  • a weight determining unit configured to determine a weighting weight w 1 of each of the first group antenna and the third group antenna
  • the weight obtaining unit is further configured to acquire a weighting weight w 2 corresponding to the signal of the second logical port;
  • the weight determining unit is further configured to determine a weighting weight w 2 of each of the second group antenna and the fourth group antenna;
  • phase symbol changing unit configured to change a phase symbol of a weighting weight of a part of antennas in the first group of antennas, so that a direction of a signal synthesized by the first group of antennas is the first polarization direction;
  • a signal sending unit configured to send, by using a weight corresponding to each of the 16 antennas, a signal of the first logical port and a signal of the second logical port.
  • the values of w 1 and w 2 are both 1.
  • the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
  • the present application discloses the following technical effects:
  • the signal transmission method and apparatus for multiple antennas disclosed in the present application determine the signal of the first logical port and the signal corresponding to the signal of the second logical port by acquiring the weighting weight of the partial antenna corresponding to the signal of the first logical port.
  • the weighting weight, changing the phase symbol of the partial weight in the weighting weight; the equivalent signal of the first logical port and the equivalent signal of the second logical port may be orthogonal to each other, thereby reducing simultaneous transmission of multiple antennas Mutual interference generated by signals of different logical ports when received by the user equipment.
  • FIG. 1 is a schematic structural diagram of a dual-polarized antenna according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a first group antenna and a second group antenna according to Embodiment 1 of the present application;
  • FIG. 3 is a schematic structural diagram of a third group antenna and a fourth group antenna according to Embodiment 1 of the present application;
  • Embodiment 4 is a flowchart of Embodiment 1 of a signal transmission method for multiple antennas according to the present application;
  • Embodiment 5 is an equivalent diagram of signals of a first logical port in Embodiment 1 of a signal transmission method for multiple antennas according to the present application;
  • FIG. 6 is an equivalent diagram of signals of a second logical port in Embodiment 1 of a signal transmission method for multiple antennas according to the present application;
  • FIG. 7 is an equivalent diagram of further synthesizing signals of the first logical port and the second logical port in Embodiment 1 of the signal transmission method for multiple antennas according to the present application;
  • Embodiment 8 is a flowchart of Embodiment 2 of a signal transmission method for multiple antennas according to the present application;
  • FIG. 9 is a schematic diagram showing the correspondence between the signal of the first logical port and the weight of the antenna before the phase symbol of the weighting weight of the antenna in the second embodiment of the signal transmission method of the present application;
  • FIG. 10 is a schematic diagram showing a correspondence relationship between a signal of a second logical port and an weight of an antenna before a phase symbol of a weighted weight of an antenna in Embodiment 2 of the signal transmission method of the present application;
  • FIG. 11 is an equivalent diagram of signals of a first logical port in Embodiment 2 of a signal transmission method for multiple antennas according to the present application;
  • FIG. 12 is an equivalent diagram of signals of a second logical port in Embodiment 2 of a signal transmission method for multiple antennas according to the present application;
  • FIG. 13 is a structural diagram of an embodiment of a signal transmitting apparatus for multiple antennas of the present application.
  • FIG. 14 is a structural diagram of another embodiment of a signal transmitting apparatus for multiple antennas according to the present application.
  • Figure 15 is a structural diagram of a computing node of the present application.
  • FIG. 1 is a schematic structural diagram of a dual-polarized antenna according to an embodiment of the present application.
  • the multi-antenna includes eight columns of dual-polarized antennas.
  • the eight columns of dual-polarized antennas are, in order, a first column of dual-polarized antennas 01, a second column of dual-polarized antennas 02, a third-row dual-polarized antennas 03, a fourth-row dual-polarized antennas 04, and a fifth column of doubles.
  • the 8-column dual-polarized antenna includes a total of 16 antennas.
  • the signals of two logical ports may be simultaneously transmitted by using the 8-column dual-polarized antenna.
  • the first logical port and the second logical port simultaneously transmit signals using the 8-column dual-polarized antenna.
  • the 16 antennas may be divided into a first group antenna, a second group antenna, a third group antenna, and a fourth group antenna.
  • the first group antenna may include a first antenna 011, a second antenna 021, a third antenna 031, and a fourth antenna 041.
  • the second group antenna may include a fifth antenna 051, a sixth antenna 061, a seventh antenna 071, and an eighth antenna 081.
  • FIG. 3 is a schematic structural diagram of a third group antenna and a fourth group antenna according to Embodiment 1 of the present application.
  • the third group antenna may include a ninth antenna 012, a tenth antenna 022, an eleventh antenna 032, and a twelfth antenna 042.
  • the fourth set of antennas may include a thirteenth antenna 052, a fourteenth antenna 062, a fifteenth antenna 072, and a sixteenth antenna 082.
  • the antennas in the first group of antennas and the antennas in the third group of antennas are respectively attributed to the first column of dual-polarized antennas 01 and the second column of dual polarizations.
  • the antennas of the second group of antennas and the antennas of the fourth group of antennas are respectively attributed to the fifth column of dual-polarized antennas 05, The sixth column of dual-polarized antennas 06, the seventh column of dual-polarized antennas 07, and the eighth column of dual-polarized antennas 08.
  • the polarization directions of the first group of antennas and the second group of antennas may be referred to as a first polarization direction, and polarization directions of the third group of antennas and the fourth group of antennas Referring to the second polarization direction, the first polarization direction is orthogonal to the second polarization direction.
  • FIG. 4 is a flowchart of Embodiment 1 of a signal transmission method for multiple antennas according to the present application. As shown in FIG. 4, the method may include:
  • Step 401 obtaining a first antenna weighting right port of the first logic signal in the first set of antennas sequentially value corresponding to w 0, the weighted value of the second antenna weights w 1, the weighted value of the third antenna weights w 2 , the weighted weight w 3 of the fourth antenna;
  • the weighting weights of the respective antennas in the first group of antennas may be determined in a manner in the prior art. After the weighting weights of the four antennas in the first group of antennas are determined, the weights of the other twelve antennas corresponding to the signals of the first logical port may be determined according to the weighting weights of the four antennas in the first group of antennas, and The weights of the sixteen antennas corresponding to the signals of the second logical port may be determined.
  • Step 402 Determine that the weight of the fifth antenna corresponding to the signal of the first logical port in the second group of antennas is w 3 , and the weight of the sixth antenna is w 2 , and the seventh antenna The weighted weight is w 1 and the weighted weight of the eighth antenna is w 0 ;
  • Step 403 Determine that the weight of the ninth antenna sequentially corresponding to the signal of the first logical port is w 0 , and the weight of the tenth antenna is w 1 , and the eleventh antenna The weighted weight is w 2 and the weighted weight of the twelfth antenna is w 3 ;
  • Step 404 determining the weighted first antenna weights thirteenth logic signal port in the fourth set value corresponding to the antennas sequentially w 3, right fourteenth antenna weighting value w 2, XV
  • the weighted weight of the antenna is w 1
  • the weighted weight of the sixteenth antenna is w 0 ;
  • the weighted weight matrix W 0 of the signal of the first logical port can be obtained.
  • W 0 [w 0 w 1 w 2 w 3 w 3 w 2 w 1 w 0 w 0 w 1 w 2 w 3 w 3 w 2 w 1 w 0 ]
  • the 16 weighting weights in the matrix W 0 correspond to the first to sixteenth antennas from left to right, respectively.
  • Step 405 Determine that the weight of the first antenna corresponding to the signal of the second logical port in the first group of antennas is w 3 , the weight of the second antenna is w 2 , and the weight of the third antenna For w 1 , the weighted weight of the fourth antenna is w 0 ;
  • Step 406 Determine that the weighted weight of the fifth antenna corresponding to the second logical port in the second group of antennas is w 0 , and the weight of the sixth antenna is w 1 , and the seventh antenna The weighted weight is w 2 , and the weighted weight of the eighth antenna is w 3 ;
  • Step 407 determining the second logic signal ports in the first group of antennas sequentially ninth antenna weights corresponding weighting value w 3, the antenna weighting value tenth weight w 2, the antenna of the eleventh The weighted weight is w 1 and the weighted weight of the twelfth antenna is w 0 ;
  • Step 408 Determine that the weighted weight of the thirteenth antenna sequentially corresponding to the signal of the second logical port in the fourth group of antennas is w 0 , and the weighted weight of the fourteenth antenna is w 1 , the fifteenth The weighted weight of the antenna is w 2 , and the weighted weight of the sixteenth antenna is w 3 ;
  • the weighted weight matrix W 1 of the signal of the second logical port can be obtained.
  • W 1 [w 3 w 2 w 1 w 0 w 0 w 1 w 2 w 3 w 3 w 2 w 1 w 0 w 0 w 1 w 2 w 3 ]
  • the 16 weighting weights in the matrix W 1 correspond to the first to sixteenth antennas from left to right, respectively.
  • Step 409 For the signal of the first logical port, the weighting weight of the mth group antenna Add a negative sign;
  • the direction of the signal sent by the corresponding antenna can be changed to the opposite direction of the original direction.
  • Step 410 Add a negative sign to the weighting weight of the nth group antenna for the signal of the second logical port; wherein, the absolute value of the difference between m and n is 2;
  • the value of m is an integer greater than or equal to 1 and less than or equal to 4, and the value of n is also an integer greater than or equal to 1 and less than or equal to 4.
  • Step 411 Send a signal of the first logical port and a signal of the second logical port by using a weight corresponding to each of the 16 antennas.
  • the weighted weight matrix W 0 of the signal of the first logical port can be obtained.
  • W 0 [w 0 w 1 w 2 w 3 w 3 w 2 w 1 w 0 w 0 w 1 w 2 w 3 -w 3 -w 2 -w 1 -w 0 ].
  • the weighted weight matrix W 1 of the signal of the second logical port After adding a negative sign to the weighting weight of the second group of antennas for the signal of the second logical port, the weighted weight matrix W 1 of the signal of the second logical port can be obtained.
  • W 1 [w 3 w 2 w 1 w 0 -w 0 -w 1 -w 2 -w 3 w 3 w 2 w 1 w 0 w 0 w 1 w 2 w 3 ].
  • the signals of the four antennas of each group can be equivalent to one signal.
  • Fig. 5 is an equivalent diagram of signals of a first logical port in Embodiment 1 of a signal transmission method for multiple antennas of the present application.
  • the equivalent signal of the first set of antennas is P 01
  • the equivalent signal of the second set of antennas is P 01
  • the equivalent signal of the third set of antennas is P 02
  • the equivalent signal of the fourth set of antennas is -P 02 .
  • the equivalent signals of the third group antenna and the fourth group antenna are equalized in opposite directions, and will be offset, and the equivalent signals of the first group antenna and the second group antenna are Since the directions are the same and the sizes are equal, they will be superimposed.
  • the equivalent signal after superposition can theoretically be 2P 01 .
  • FIG. 6 is an equivalent diagram of signals of a second logical port in Embodiment 1 of a signal transmission method for multiple antennas according to the present application.
  • the equivalent signals of the first group antenna and the second group antenna are equal due to opposite directions, and will be canceled, and the equivalent signals of the third group antenna and the fourth group antenna are Since the directions are the same and the sizes are equal, they will be superimposed.
  • the equivalent signal after superposition can theoretically be 2P 12 .
  • FIG. 7 is an equivalent diagram of further synthesizing signals of the first logical port and the second logical port in Embodiment 1 of the signal transmitting method for multiple antennas according to the present application.
  • the equivalent signal of the final synthesis is 2 times P 01 and 2 times P 12 . It can be seen from the above derivation process and FIG. 7 that, in the synthesized equivalent signal, the equivalent signal P 01 of the first logical port and the equivalent signal P 12 of the second logical port are orthogonal to each other. Therefore, the mutual interference between the signal of the first logical port and the signal of the second logical port when the user equipment receives the signal can be reduced.
  • the weight of the other twelve antennas corresponding to the signal of the first logical port is determined according to the weighting weight corresponding to the first logical signal of the antenna in the first group of antennas. a value, determining a weight of the sixteen antennas corresponding to the signal of the second logical port; for the signal of the first logical port, adding a negative sign to the weighting weight of the mth group antenna; for the second logical port a signal, adding a negative sign to the weighted weight of the nth group antenna; wherein, the absolute value of the difference between m and n is 2; the equivalent signal of the first logical port and the equivalent signal of the second logical port may be orthogonal to each other , thereby reducing mutual interference generated by signals of different logical ports simultaneously transmitted by multiple antennas when received by the user equipment.
  • the numerical relationship between w 0 , w 1 , w 2 , and w 3 may also be set, so that the w The sum of the square of 0 and the square of the w 3 is equal to 1, and the sum of the square of the w 1 and the square of the w 2 is equal to 1.
  • the signal of the first logical port and the signal of the second logical port may be a Cell-specific Reference Signal (CRS).
  • CRS Cell-specific Reference Signal
  • the present application also provides another signal transmission method for multiple antennas.
  • the multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas comprise a total of 16 antennas.
  • One of the dual-polarized antennas has a polarization direction of a first polarization direction and another antenna.
  • the polarization direction is a second polarization direction, and the first polarization direction is orthogonal to the second polarization direction.
  • the structure of the dual-polarized antenna in this embodiment is the same as that shown in FIG.
  • the 16 antennas may be divided into a first group antenna, a second group antenna, a third group antenna, and a fourth group antenna.
  • the first group of antennas includes the first column of dual-polarized antennas 01 and the second column of dual-polarized antennas 02
  • the second group of antennas includes the third column of dual-polarized antennas 03 and fourth columns a dual-polarized antenna 04
  • the third set of antennas including the fifth-column dual-polarized antenna 05 and the sixth-column dual-polarized antenna 06
  • the fourth set of antennas includes the seventh column of dual polarized antennas 07 and the eighth column of dual polarized antennas 08.
  • the first logical port transmits signals by using the first group antenna and the third group antenna
  • the second logic port transmits signals by using the second group antenna and the fourth group antenna.
  • FIG. 8 is a flowchart of Embodiment 2 of a signal transmission method for multiple antennas according to the present application. As shown in FIG. 8, the method may include:
  • Step 801 Acquire a weighting weight w 1 corresponding to a signal of the first logical port
  • the weighting weight w 1 corresponding to the signal of the first logical port can be determined by a prior art method.
  • Step 802 Determine a weighting weight w 1 of each of the first group antenna and the third group antenna;
  • the weighted weight matrix of the signal of the first logical port can be obtained
  • W 1 [w 1 w 1 0 0 w 1 w 1 0 0 w 1 w 1 0 0 w 1 w 1 0 0].
  • the 16 weighting weights in the matrix W 1 correspond to the first to sixteenth antennas from left to right, respectively.
  • the weighting weight of the corresponding position of the second group antenna and the fourth group antenna is 0, because the first logical port does not use the second group antenna and the fourth group antenna to transmit signals.
  • Step 803 Acquire a weighting weight w 2 corresponding to the signal of the second logical port
  • the weighting weight w 2 corresponding to the signal of the second logical port can be determined by a prior art method.
  • Step 804 Determine a weighting weight w 2 of each of the second group antenna and the fourth group antenna;
  • the weighted weight matrix of the signal of the second logical port can be obtained as
  • W 2 [0 0 w 2 w 2 0 0 w 2 w 2 0 0 w 2 w 2 0 0 w 2 w 2 ].
  • the 16 weighting weights in the matrix W 2 correspond to the first to sixteenth antennas from left to right, respectively.
  • the weighting weight of the corresponding position of the first group antenna and the third group antenna is 0, because the second logical port does not use the first group antenna and the third group antenna to transmit signals.
  • Step 805 Change a phase symbol of a weighting weight of a part of antennas in the first group of antennas, so that a direction of a signal synthesized by the first group of antennas is the first polarization direction;
  • the direction from the lower left to the upper right in the dual-polarized antenna in FIG. 1 can be used as the first polarization direction, and the direction from the lower right to the upper left in the dual-polarized antenna in FIG. 1 is used as the second pole.
  • the direction from the lower right to the upper left in the dual-polarized antenna in FIG. 1 is used as the second pole.
  • Direction the direction from the lower left to the upper right in the dual-polarized antenna in FIG. 1
  • FIG. 9 is a schematic diagram showing the correspondence between the signal of the first logical port and the weight of the antenna before the phase symbol of the weighting weight of the antenna in the second embodiment of the signal transmission method of the present application.
  • phase sign of the signal of the antenna 9 can be changed such that the signal of the antenna 9 is opposite to the signal direction of the antenna 10, or the phase sign of the signal of the antenna 10 can be changed such that the signal of the antenna 10 is opposite to the signal direction of the antenna 9.
  • W 1 [w 1 w 1 0 0 w 1 w 1 0 0 w 1 -w 1 0 0 w 1 w 1 0 0]
  • Step 806 Change a phase symbol of a weighting weight of a part of the antennas of the third group of antennas, so that a direction of a signal synthesized by the third group of antennas is the second polarization direction;
  • step 805 assuming that the phase sign of the signal of the antenna 5 is changed, the weighted weight matrix of the signal of the first logical port is further changed to
  • W 1 [w 1 w 1 0 0 -w 1 w 1 0 0 w 1 -w 1 0 0 w 1 w 1 0 0]
  • Step 807 Change a phase symbol of a weighting weight of a part of antennas in the second group of antennas, so that a direction of a signal synthesized by the second group of antennas is the first polarization direction;
  • a signal transmitted by the second group of antennas and the fourth group of antennas is a signal of the second logic port.
  • FIG. 10 is a schematic diagram showing the correspondence between the signal of the second logical port and the weight of the antenna before the phase symbol of the weighting weight of the antenna in the second embodiment of the present invention.
  • changing the phase symbols of the antenna 11 or the antenna 12 may cause the direction of the signal synthesized by the second group of antennas to be the first polarization direction.
  • W 2 [0 0 w 2 w 2 0 0 w 2 w 2 0 0 w 2 - w 2 0 0 w 2 w 2 ].
  • Step 808 Change a phase symbol of a weighting weight of a part of antennas in the fourth group of antennas, so that a direction of a signal synthesized by the fourth group of antennas is a third polarization direction, where the third polarization direction is Said that the first polarization direction is opposite;
  • the third polarization direction is the upper right direction and the lower left direction. Therefore, the phase symbols of the antenna 7 and the antenna 8 need to be changed, and the antenna 15 is The phase sign of one of the antennas 16 changes.
  • the weighted weight matrix of the signal of the second logical port is further changed to
  • W 2 [0 0 w 2 w 2 0 0 -w 2 -w 2 0 0 w 2 -w 2 0 0 w 2 -w 2 ].
  • Step 809 Send the first logic by using a weight corresponding to each of the 16 antennas. The signal of the port and the signal of the second logical port.
  • FIG. 11 is an equivalent diagram of signals of a first logical port in Embodiment 2 of a signal transmission method for multiple antennas according to the present application. As shown, the equivalent signal is a first logic signal port of the first polarization direction signals P 11 and the second polarization direction P 12 11.
  • FIG. 12 is an equivalent diagram of signals of a second logical port in Embodiment 2 of a signal transmission method for multiple antennas according to the present application.
  • the signal of the equivalent first logical port is the signal P 21 in the first polarization direction and the signal P 22 in the third polarization direction.
  • an upward first logical port signal can be obtained, and the equivalent signal in FIG. 12 can be further synthesized to obtain a second logical port signal to the right. Therefore, the equivalent signal of the finally synthesized first logical port and the equivalent signal of the second logical port are orthogonal to each other.
  • the weights of the eight antennas corresponding to the signal of the first logical port are all set to w 1 , and the second is obtained.
  • the weighting weight w 2 corresponding to the signal of the logical port is set to w 2 for the weight of the 8 antennas corresponding to the signal of the second logical port; and the phase symbol of the weighting weight of the partial antenna of the first group of antennas is changed.
  • the direction of the signal synthesized by the first group of antennas is the first polarization direction; the phase symbol of the weighting weights of the partial antennas of the third group of antennas is changed, so that the third group of antennas are combined
  • the direction of the signal is the second polarization direction; changing the phase symbol of the weighting weight of the partial antennas of the second group of antennas such that the direction of the signal synthesized by the second group of antennas is the first pole Changing a phase symbol of a weighting weight of a portion of the antennas of the fourth group of antennas such that a direction of the signal synthesized by the fourth group of antennas is a third polarization direction, and the third polarization direction Said that the first polarization direction is opposite;
  • the values of w 1 and w 2 may be set to 1.
  • the signal of the first logical port and the signal of the second logical port are Cell-specific Reference Signals (CRS).
  • CRS Cell-specific Reference Signals
  • the present application also provides a signal transmitting apparatus for multiple antennas.
  • the multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas comprise a total of 16 antennas, wherein the first logical port and the second logical port are simultaneously sent using the 8-column dual-polarized antenna.
  • the 16 antennas are divided into a first group antenna, a second group antenna, a third group antenna, and a fourth group antenna, wherein a polarization direction of the first group antenna and the second group antenna is a first pole
  • the direction of polarization of the third group of antennas and the fourth group of antennas is a second polarization direction, and the first polarization direction is orthogonal to the second polarization direction;
  • the polarized antennas are a first column of dual-polarized antennas, a second column of dual-polarized antennas, a third-row dual-polarized antenna, a fourth-row dual-polarized antenna, a fifth-row dual-polarized antenna, and a sixth-row bipolar An antenna, a seventh column of dual-polarized antennas, and an eighth column of dual-polarized antennas; the antennas of the first group of antennas and the antennas of the third group of antennas are respectively attributed to the first column of dual polarizations Antenna, second column dual polarized antenna,
  • Figure 13 is a structural diagram of an embodiment of a signal transmitting apparatus for multiple antennas of the present application. As shown as shown in Figure 13, the apparatus includes:
  • Weight value acquiring unit 1301, a first antenna weights for weighting the signal obtaining a first logical port of the first set of antennas sequentially corresponding value w 0, the weighted value of the second antenna weights w 1, the third antenna Weighted weight w 2 , weighted weight w 3 of the fourth antenna;
  • Weight determination unit 1302 the first logic signal for determining a port in said second set of antennas sequentially fifth antenna weights corresponding weighting value w 3, right sixth antenna weighting value w 2,
  • the weighting weight of the seventh antenna is w 1
  • the weighting weight of the eighth antenna is w 0 ;
  • a weighting weight of the ninth antenna sequentially corresponding to the third group of antennas is w 0
  • a weighting weight of the tenth antenna is w 1
  • a weighting weight of the eleventh antenna For w 2 , the weighted weight of the twelfth antenna is w 3 ;
  • the weighted weight of the thirteenth antenna corresponding to the fourth group of antennas is w 3
  • the weighting weight of the fourteenth antenna is w 2
  • the weight of the fifteenth antenna The weight is w 1 and the weighted weight of the sixteenth antenna is w 0 ;
  • the weighting weight of the first antenna corresponding to the first group of antennas is w 3
  • the weighting weight of the second antenna is w 2
  • the weighting weight of the third antenna is w 1
  • the weighting weight of the fourth antenna is w 0 ;
  • a weighting weight of the fifth antenna sequentially corresponding to the second group of antennas is w 0
  • a weighting weight of the sixth antenna is w 1
  • a weighting weight of the seventh antenna For w 2 , the weighted weight of the eighth antenna is w 3 ;
  • a weighting weight of the ninth antenna corresponding to the first group of antennas is w 3
  • a weighting weight of the tenth antenna is w 2
  • a weighting weight of the eleventh antenna For w 1 , the weighted weight of the twelfth antenna is w 0 ;
  • a weighting weight of the thirteenth antenna sequentially corresponding to the fourth group of antennas is w 0
  • a weighting weight of the fourteenth antenna is w 1
  • weighting of the fifteenth antenna The weight is w 2
  • the weighted weight of the sixteenth antenna is w 3 ;
  • a minus sign adding unit 1303, configured to add a negative sign to the weighting weight of the mth group antenna for the signal of the first logical port;
  • the signal sending unit 1304 is configured to send a signal of the first logical port and a signal of the second logical port by using a weight corresponding to each of the 16 antennas.
  • the weight of the other twelve antennas corresponding to the signal of the first logical port is determined according to the weighting weight of the antenna in the first group of antennas corresponding to the first logical signal, and the signal of the second logical port is determined.
  • Weights of the corresponding sixteen antennas; for the signals of the first logical port, adding a negative sign to the weighting weights of the mth group of antennas; for the signals of the second logical port, weighting the nth group of antennas The weight is added with a negative sign; wherein the absolute value of the difference between m and n is 2; the equivalent signal of the first logical port and the equivalent signal of the second logical port may be orthogonal to each other, thereby reducing simultaneous transmission of multiple antennas.
  • the sum of the square of the w 0 and the square of the w 3 is equal to 1; the sum of the square of the w 1 and the square of the w 2 may be equal to 1.
  • the signal of the first logical port and the signal of the second logical port may be a cell-specific pilot signal.
  • the present application also provides another signal transmitting apparatus for multiple antennas.
  • the multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas comprise a total of 16 antennas.
  • One of the dual-polarized antennas has a polarization direction of a first polarization direction and another antenna.
  • the polarization direction is a second polarization direction
  • the first polarization direction is orthogonal to the second polarization direction, wherein the 8-column dual-polarized antennas are sequentially arranged in a first column according to an arrangement order.
  • the 16 antennas are divided into a first group of antennas, a second group of antennas, a third group of antennas, and a fourth group of antennas, the first group of antennas including the first column of double a polarized antenna and a second column of dual polarized antennas, the second set of antennas comprising the third column of dual polarized antennas and a fourth column of dual polarized antennas, the third set of antennas comprising the fifth column of doubles a polarized antenna and a sixth column of dual polarized antennas, the fourth set of antennas comprising the seventh column of dual polarized antennas and an eighth column of bipolar
  • the first logical port transmits signals using the first set of antennas and the third set of antennas, and the
  • FIG. 14 is a structural diagram of another embodiment of a signal transmitting apparatus for multiple antennas of the present application. As shown in FIG. 14, the apparatus may include:
  • the weight obtaining unit 1401 is configured to obtain a weighting weight w 1 corresponding to the signal of the first logical port;
  • the weight determining unit 1402 is configured to determine a weighting weight w 1 of each of the first group antenna and the third group antenna;
  • the weight obtaining unit 1401 is further configured to acquire a weighting weight w 2 corresponding to a signal of the second logical port;
  • the weight determining unit 1402 is further configured to determine a weighting weight w 2 of each of the second group antenna and the fourth group antenna;
  • phase symbol changing unit 1403 configured to change a phase symbol of a weighting weight of a part of antennas in the first group of antennas, so that a direction of a signal synthesized by the first group of antennas is the first polarization direction;
  • the signal sending unit 1404 is configured to send a signal of the first logical port and a signal of the second logical port by using a weight corresponding to each of the 16 antennas.
  • the weights of the eight antennas corresponding to the signal of the first logical port are all set to w 1 , and the signal corresponding to the second logical port is obtained.
  • Weighting weight w 2 setting the weights of the 8 antennas corresponding to the signals of the second logical port to w 2 ; changing the phase symbols of the weighting weights of the partial antennas in the first group of antennas, so that the The direction of the signal synthesized by the first group of antennas is the first polarization direction; the phase symbols of the weighting weights of the partial antennas of the third group of antennas are changed, so that the direction of the signals synthesized by the third group of antennas is a second polarization direction; changing a phase symbol of a weighting weight of a portion of the antennas of the second group of antennas such that a direction of a signal synthesized by the second group of antennas is the first polarization direction; a phase symbol of a weighted weight of a portion of the antennas of the fourth group of antennas, such that a direction of the signal synthesized by the fourth group of antennas is a third polarization direction, the third polarization direction and the first polarization
  • the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
  • the embodiment of the present application further provides a computing node, which may be a host server including computing power, or a personal computer PC, or a portable computer or terminal, etc., and the specific embodiment of the present application is not correct.
  • the specific implementation of the compute node is limited.
  • FIG. 15 is a structural diagram of a computing node of the present application. As shown in FIG. 15, computing node 700 includes:
  • a processor 710 a communications interface 720, a memory 730, and a bus 740.
  • the processor 710, the communication interface 720, and the memory 730 complete communication with each other via the bus 740.
  • the processor 710 is configured to execute the program 732.
  • program 732 can include program code, the program code including computer operating instructions.
  • the processor 710 may be a central processing unit CPU, or an application specific integrated circuit (ASIC), or configured to implement the present application.
  • ASIC application specific integrated circuit
  • the memory 730 is configured to store the program 732.
  • the memory 730 may include a high speed RAM memory and may also include a non-volatile memory such as at least one disk memory.
  • the program 732 may specifically include the corresponding modules or units in the embodiment shown in FIG. 13 to FIG. 14 , and details are not described herein.

Abstract

Provided are a signal transmission method and device for multiple antennas. The method comprises: acquiring the weight values of some antennas corresponding to a signal of a first logical port, determining the weight values of all the antennas corresponding to the signal of the first logical port and a signal of a second logical port, and changing the phase symbols of some weight values in the weight values. By adopting the method or device of the present application, the mutual interference generated when signals of different logical ports sent by a plurality of antennas at the same time are received by a user equipment can be reduced.

Description

一种用于多天线的信号发送方法及装置Signal transmitting method and device for multiple antennas
本申请要求于2015年08月31日提交中国专利局、申请号为201510548295.0、发明名称为“一种用于多天线的信号发送方法及装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。The present application claims priority to Chinese Patent Application No. 201510548295.0, entitled "A Method and Apparatus for Signal Transmission for Multiple Antennas", filed on August 31, 2015, the entire contents of which are incorporated by reference. Combined in this application.
技术领域Technical field
本申请涉及移动通信领域,特别是涉及一种用于多天线的信号发送方法及装置。The present application relates to the field of mobile communications, and in particular, to a signal transmission method and apparatus for multiple antennas.
背景技术Background technique
在移动通信技术领域,可用的频谱资源是有限的,为了提高频谱资源的利用率,引入了多天线技术。In the field of mobile communication technologies, the available spectrum resources are limited, and in order to improve the utilization of spectrum resources, multi-antenna technology is introduced.
多天线的天馈系统一般由多列双极化天线组成;在通信过程中,需要将多个逻辑通道的信号映射到双极化天线的端口上,通过双极化天线将信号传输至接收端。A multi-antenna antenna system generally consists of a multi-column dual-polarized antenna; in the communication process, signals of multiple logical channels need to be mapped to the ports of the dual-polarized antenna, and signals are transmitted to the receiving end through the dual-polarized antenna. .
在现有技术中,逻辑通道到双极化天线的层映射方式采用循环延迟分集(Cyclic Delay Diversity,简称CDD)技术。但是,CDD技术中,由于天线发送信号的时间点不一致,并且天线与用户设备之间的信道状态随时间变化而变化,导致每个天线发送信号时的信道状态不一致,容易形成不平坦的衰落,即在某些地方会形成深度衰落,导致发送信号的性能增益不稳定。In the prior art, the layer mapping manner of the logical channel to the dual-polarized antenna adopts a Cyclic Delay Diversity (CDD) technology. However, in the CDD technology, since the time points at which the antennas transmit signals are inconsistent, and the channel state between the antenna and the user equipment changes with time, the channel state when each antenna transmits a signal is inconsistent, and uneven fading is easily formed. That is, deep fading is formed in some places, resulting in unstable performance gain of the transmitted signal.
为了提高发送信号的性能增益的稳定性,可以采用多个天线同时发送不同逻辑端口(port)的信号。但是,多个天线同时发送的不同逻辑端口的信号,在被用户设备接收时,可能产生相互干扰。如何降低这种干扰, 是亟待解决的问题。In order to improve the stability of the performance gain of the transmitted signal, multiple antennas can be used to simultaneously transmit signals of different logical ports. However, signals of different logical ports that are simultaneously transmitted by multiple antennas may interfere with each other when received by the user equipment. How to reduce this interference, It is an urgent problem to be solved.
发明内容Summary of the invention
本申请的目的是提供一种用于多天线的信号发送方法及装置,能够通过为多天线中的双极化天线中的每个天线分配特定的权值,降低多个天线同时发送的不同逻辑端口的信号在被用户设备接收时产生的相互干扰。The purpose of the application is to provide a signal transmission method and apparatus for multiple antennas, which can reduce different logics for simultaneous transmission of multiple antennas by assigning specific weights to each of the dual-polarized antennas in multiple antennas. The mutual interference of the signals of the port when received by the user equipment.
为实现上述目的,本申请提供了如下方案:To achieve the above objectives, the present application provides the following solutions:
根据本申请的第一方面的第一种可能的实现方式,本申请提供一种用于多天线的信号发送方法,所述多天线包括8列双极化天线,所述8列双极化天线共包括16个天线,第一逻辑端口和第二逻辑端口同时使用所述8列双极化天线发送信号,所述16个天线分为第一组天线、第二组天线、第三组天线和第四组天线,所述第一组天线与所述第二组天线的极化方向为第一极化方向,所述第三组天线与所述第四组天线的极化方向为第二极化方向,所述第一极化方向与所述第二极化方向正交;所述8列双极化天线依次为第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线、第五列双极化天线、第六列双极化天线、第七列双极化天线、第八列双极化天线;所述第一组天线中的天线和所述第三组天线中的天线分别依次归属于所述第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线;所述第二组天线中的天线和所述第四组天线中的天线分别依次归属于所述第五列双极化天线、第六列双极化天线、第七列双极化天线、第八列双极化天线;According to a first possible implementation manner of the first aspect of the present application, the application provides a signal sending method for multiple antennas, where the multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas A total of 16 antennas are included, and the first logical port and the second logical port simultaneously transmit signals by using the 8-column dual-polarized antenna, and the 16 antennas are divided into a first group antenna, a second group antenna, and a third group antenna. a fourth group of antennas, wherein a polarization direction of the first group of antennas and the second group of antennas is a first polarization direction, and a polarization direction of the third group of antennas and the fourth group of antennas is a second pole The direction of the first polarization is orthogonal to the direction of the second polarization; the eight columns of dual-polarized antennas are the first column of dual-polarized antennas, the second column of dual-polarized antennas, and the third column. Dual polarized antenna, fourth column of dual polarized antenna, fifth column of dual polarized antenna, sixth column of dual polarized antenna, seventh column of dual polarized antenna, eighth column of dual polarized antenna; said first group The antenna in the antenna and the antenna in the third group of antennas are respectively attributed to the first column of dual-polarized days a second column of dual-polarized antennas, a third column of dual-polarized antennas, and a fourth column of dual-polarized antennas; the antennas of the second group of antennas and the antennas of the fourth group of antennas are respectively attributed to the a fifth column of dual-polarized antennas, a sixth column of dual-polarized antennas, a seventh column of dual-polarized antennas, and an eighth column of dual-polarized antennas;
所述方法包括:The method includes:
获取第一逻辑端口的信号在所述第一组天线中依次对应的第一天线的 加权权值w0,第二天线的加权权值w1,第三天线的加权权值w2,第四天线的加权权值w3Obtaining a first logic signal at the port of the first set of antenna weights sequentially a first antenna corresponding weighting value w 0, the weighted value of the second antenna weights w 1, a third antenna weighting weights w 2, fourth The weighted weight of the antenna w 3 ;
确定所述第一逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w3,第六天线的加权权值为w2,第七天线的加权权值为w1,第八天线的加权权值为w0Determining, by the signal of the first logical port, a weighting weight of the fifth antenna sequentially corresponding to the second group of antennas is w 3 , a weighting weight of the sixth antenna is w 2 , and a weighting weight of the seventh antenna For w 1 , the weighted weight of the eighth antenna is w 0 ;
确定所述第一逻辑端口的信号在所述第三组天线中依次对应的第九天线的加权权值为w0,第十天线的加权权值为w1,第十一天线的加权权值为w2,第十二天线的加权权值为w3Determining, by the signal of the first logical port, a weighting weight of the ninth antenna sequentially corresponding to the third group of antennas is w 0 , a weighting weight of the tenth antenna is w 1 , and a weighting weight of the eleventh antenna For w 2 , the weighted weight of the twelfth antenna is w 3 ;
确定所述第一逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w3,第十四天线的加权权值为w2,第十五天线的加权权值为w1,第十六天线的加权权值为w0Determining, by the signal of the first logical port, the weighted weight of the thirteenth antenna corresponding to the fourth group of antennas is w 3 , the weighting weight of the fourteenth antenna is w 2 , and the weight of the fifteenth antenna The weight is w 1 and the weighted weight of the sixteenth antenna is w 0 ;
确定第二逻辑端口的信号在所述第一组天线中依次对应的第一天线的加权权值为w3,第二天线的加权权值为w2,第三天线的加权权值为w1,第四天线的加权权值为w0Determining, by the signal of the second logical port, the weighting weight of the first antenna corresponding to the first group of antennas is w 3 , the weighting weight of the second antenna is w 2 , and the weighting weight of the third antenna is w 1 The weighting weight of the fourth antenna is w 0 ;
确定所述第二逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w0,第六天线的加权权值为w1,第七天线的加权权值为w2,第八天线的加权权值为w3Determining, by the signal of the second logical port, a weighting weight of the fifth antenna sequentially corresponding to the second group of antennas is w 0 , a weighting weight of the sixth antenna is w 1 , and a weighting weight of the seventh antenna For w 2 , the weighted weight of the eighth antenna is w 3 ;
确定所述第二逻辑端口的信号在所述第一组天线中依次对应的第九天线的加权权值为w3,第十天线的加权权值为w2,第十一天线的加权权值为w1,第十二天线的加权权值为w0Determining, by the signal of the second logical port, a weighting weight of the ninth antenna corresponding to the first group of antennas is w 3 , a weighting weight of the tenth antenna is w 2 , and a weighting weight of the eleventh antenna For w 1 , the weighted weight of the twelfth antenna is w 0 ;
确定所述第二逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w0,第十四天线的加权权值为w1,第十五天线的加权 权值为w2,第十六天线的加权权值为w3Determining, by the signal of the second logical port, a weighting weight of the thirteenth antenna sequentially corresponding to the fourth group of antennas is w 0 , a weighting weight of the fourteenth antenna is w 1 , and weighting of the fifteenth antenna The weight is w 2 , and the weighted weight of the sixteenth antenna is w 3 ;
对于所述第一逻辑端口的信号,为第m组天线的加权权值添加负号;Adding a negative sign to the weighting weight of the mth group antenna for the signal of the first logical port;
对于所述第二逻辑端口的信号,为第n组天线的加权权值添加负号;其中,m与n的差的绝对值为2;For the signal of the second logical port, adding a negative sign to the weighting weight of the nth group antenna; wherein, the absolute value of the difference between m and n is 2;
采用所述16个天线中每个天线对应的权值发送所述第一逻辑端口的信号与所述第二逻辑端口的信号。Transmitting a signal of the first logical port and a signal of the second logical port by using a weight corresponding to each of the 16 antennas.
结合第一方面的第二种可能的实现方式,所述w0的平方与所述w3的平方之和等于1;所述w1的平方与所述w2的平方之和等于1。In conjunction with the second possible implementation of the first aspect, the sum of the square of w 0 and the square of the w 3 is equal to 1; the sum of the square of the w 1 and the square of the w 2 is equal to 1.
结合第一方面的第三种可能的实现方式,所述第一逻辑端口的信号与所述第二逻辑端口的信号为小区专有导频信号。In conjunction with the third possible implementation of the first aspect, the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
根据本申请的第二方面的第一种可能的实现方式,本申请提供一种用于多天线的信号发送方法,所述多天线包括8列双极化天线,所述8列双极化天线共包括16个天线,所述双极化天线中的一个天线的极化方向为第一极化方向,另一个天线的极化方向为第二极化方向,所述第一极化方向与所述第二极化方向正交,所述8列双极化天线按照排列顺序依次为第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线、第五列双极化天线、第六列双极化天线、第七列双极化天线和第八列双极化天线;所述16个天线分为第一组天线、第二组天线、第三组天线和第四组天线,所述第一组天线包括所述第一列双极化天线和第二列双极化天线,所述第二组天线包括所述第三列双极化天线和第四列双极化天线,所述第三组天线包括所述第五列双极化天线和第六列双极化天线,所述第 四组天线包括所述第七列双极化天线和第八列双极化天线;第一逻辑端口使用所述第一组天线和第三组天线发送信号,第二逻辑端口使用所述第二组天线和第四组天线发送信号;According to a first possible implementation manner of the second aspect of the present application, the application provides a signal sending method for multiple antennas, where the multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas A total of 16 antennas are included, one of the dual-polarized antennas has a polarization direction of a first polarization direction, and the other antenna has a polarization direction of a second polarization direction, and the first polarization direction is The second polarization direction is orthogonal, and the 8-column dual-polarized antennas are, in order of arrangement, a first column of dual-polarized antennas, a second-row dual-polarized antenna, a third-row dual-polarized antenna, and a fourth-row double a polarized antenna, a fifth column dual polarized antenna, a sixth column dual polarized antenna, a seventh column dual polarized antenna, and an eighth column dual polarized antenna; the 16 antennas are divided into a first group antenna and a second antenna a group antenna, a third group antenna, and a fourth group antenna, the first group antenna includes the first column dual-polarized antenna and the second column dual-polarized antenna, and the second group antenna includes the third column a dual polarized antenna and a fourth column of dual polarized antennas, the third set of antennas including the fifth column of dual polarized days Line and sixth column dual polarized antenna, said The four sets of antennas include the seventh column of dual polarized antennas and the eighth column of dual polarized antennas; the first logical port transmits signals using the first set of antennas and the third set of antennas, and the second logical port uses the second The group antenna and the fourth group antenna transmit signals;
所述方法包括:The method includes:
获取第一逻辑端口的信号对应的加权权值w1Obtaining a weighting weight w 1 corresponding to the signal of the first logical port;
确定第一组天线和第三组天线中每个天线的加权权值为w1Determining a weighting weight w 1 of each of the first group antenna and the third group antenna;
获取第二逻辑端口的信号对应的加权权值w2Obtaining a weighting weight w 2 corresponding to the signal of the second logical port;
确定第二组天线和第四组天线中每个天线的加权权值为w2Determining a weighted weight of each of the second set of antennas and the fourth set of antennas is w 2 ;
改变所述第一组天线中部分天线的加权权值的相位符号,以使所述第一组天线合成的信号的方向为所述第一极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the first group of antennas, so that a direction of the signal synthesized by the first group of antennas is the first polarization direction;
改变所述第三组天线中部分天线的加权权值的相位符号,以使所述第三组天线合成的信号的方向为所述第二极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the third group of antennas, so that a direction of the signal synthesized by the third group of antennas is the second polarization direction;
改变所述第二组天线中部分天线的加权权值的相位符号,以使所述第二组天线合成的信号的方向为所述第一极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the second group of antennas, so that a direction of the signal synthesized by the second group of antennas is the first polarization direction;
改变所述第四组天线中部分天线的加权权值的相位符号,以使所述第四组天线合成的信号的方向为第三极化方向,所述第三极化方向与所述第一极化方向相反;And changing a phase symbol of the weighting weights of the partial antennas of the fourth group of antennas, so that a direction of the signal synthesized by the fourth group of antennas is a third polarization direction, the third polarization direction and the first The direction of polarization is opposite;
采用所述16个天线中每个天线对应的权值发送所述第一逻辑端口的信号与所述第二逻辑端口的信号。Transmitting a signal of the first logical port and a signal of the second logical port by using a weight corresponding to each of the 16 antennas.
结合第二方面的第二种可能的实现方式,所述w1与w2的值均为1。In conjunction with the second possible implementation of the second aspect, the values of w 1 and w 2 are both 1.
结合第二方面的第三种可能的实现方式,所述第一逻辑端口的信号与所述第二逻辑端口的信号为小区专有导频信号。 In conjunction with the third possible implementation of the second aspect, the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
根据本申请的第三方面的第一种可能的实现方式,本申请提供一种用于多天线的信号发送装置,所述多天线包括8列双极化天线,所述8列双极化天线共包括16个天线,第一逻辑端口和第二逻辑端口同时使用所述8列双极化天线发送信号,所述16个天线分为第一组天线、第二组天线、第三组天线和第四组天线,所述第一组天线与所述第二组天线的极化方向为第一极化方向,所述第三组天线与所述第四组天线的极化方向为第二极化方向,所述第一极化方向与所述第二极化方向正交;所述8列双极化天线依次为第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线、第五列双极化天线、第六列双极化天线、第七列双极化天线、第八列双极化天线;所述第一组天线中的天线和所述第三组天线中的天线分别依次归属于所述第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线;所述第二组天线中的天线和所述第四组天线中的天线分别依次归属于所述第五列双极化天线、第六列双极化天线、第七列双极化天线、第八列双极化天线;According to a first possible implementation manner of the third aspect of the present application, the application provides a signal transmitting apparatus for multiple antennas, where the multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas A total of 16 antennas are included, and the first logical port and the second logical port simultaneously transmit signals by using the 8-column dual-polarized antenna, and the 16 antennas are divided into a first group antenna, a second group antenna, and a third group antenna. a fourth group of antennas, wherein a polarization direction of the first group of antennas and the second group of antennas is a first polarization direction, and a polarization direction of the third group of antennas and the fourth group of antennas is a second pole The direction of the first polarization is orthogonal to the direction of the second polarization; the eight columns of dual-polarized antennas are the first column of dual-polarized antennas, the second column of dual-polarized antennas, and the third column. Dual polarized antenna, fourth column of dual polarized antenna, fifth column of dual polarized antenna, sixth column of dual polarized antenna, seventh column of dual polarized antenna, eighth column of dual polarized antenna; said first group The antenna in the antenna and the antenna in the third group of antennas are respectively attributed to the first column of dual-polarized days a second column of dual-polarized antennas, a third column of dual-polarized antennas, and a fourth column of dual-polarized antennas; the antennas of the second group of antennas and the antennas of the fourth group of antennas are respectively attributed to the a fifth column of dual-polarized antennas, a sixth column of dual-polarized antennas, a seventh column of dual-polarized antennas, and an eighth column of dual-polarized antennas;
所述装置包括:The device includes:
权值获取单元,用于获取第一逻辑端口的信号在所述第一组天线中依次对应的第一天线的加权权值w0,第二天线的加权权值w1,第三天线的加权权值w2,第四天线的加权权值w3Signal weighted value acquiring unit, configured to obtain a first logical port of the first set of antenna weights sequentially a first antenna corresponding weighting value w 0, the weighting value weighting the second antenna weights w 1, the third antenna Weight w 2 , weighted weight w 3 of the fourth antenna;
权值确定单元,用于确定所述第一逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w3,第六天线的加权权值为w2,第七天线的加权权值为w1,第八天线的加权权值为w0Weight determination means for determining a port of the first logic signal at the second set of antennas sequentially fifth antenna weights corresponding weighting value w 3, right sixth antenna weighting value w 2, of The weighting weight of the seven antennas is w 1 , and the weighting weight of the eighth antenna is w 0 ;
确定所述第一逻辑端口的信号在所述第三组天线中依次对应的第九天线的加权权值为w0,第十天线的加权权值为w1,第十一天线的加权权值为w2,第十二天线的加权权值为w3Determining, by the signal of the first logical port, a weighting weight of the ninth antenna sequentially corresponding to the third group of antennas is w 0 , a weighting weight of the tenth antenna is w 1 , and a weighting weight of the eleventh antenna For w 2 , the weighted weight of the twelfth antenna is w 3 ;
确定所述第一逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w3,第十四天线的加权权值为w2,第十五天线的加权权值为w1,第十六天线的加权权值为w0Determining, by the signal of the first logical port, the weighted weight of the thirteenth antenna corresponding to the fourth group of antennas is w 3 , the weighting weight of the fourteenth antenna is w 2 , and the weight of the fifteenth antenna The weight is w 1 and the weighted weight of the sixteenth antenna is w 0 ;
确定第二逻辑端口的信号在所述第一组天线中依次对应的第一天线的加权权值为w3,第二天线的加权权值为w2,第三天线的加权权值为w1,第四天线的加权权值为w0Determining, by the signal of the second logical port, the weighting weight of the first antenna corresponding to the first group of antennas is w 3 , the weighting weight of the second antenna is w 2 , and the weighting weight of the third antenna is w 1 The weighting weight of the fourth antenna is w 0 ;
确定所述第二逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w0,第六天线的加权权值为w1,第七天线的加权权值为w2,第八天线的加权权值为w3Determining, by the signal of the second logical port, a weighting weight of the fifth antenna sequentially corresponding to the second group of antennas is w 0 , a weighting weight of the sixth antenna is w 1 , and a weighting weight of the seventh antenna For w 2 , the weighted weight of the eighth antenna is w 3 ;
确定所述第二逻辑端口的信号在所述第一组天线中依次对应的第九天线的加权权值为w3,第十天线的加权权值为w2,第十一天线的加权权值为w1,第十二天线的加权权值为w0Determining, by the signal of the second logical port, a weighting weight of the ninth antenna corresponding to the first group of antennas is w 3 , a weighting weight of the tenth antenna is w 2 , and a weighting weight of the eleventh antenna For w 1 , the weighted weight of the twelfth antenna is w 0 ;
确定所述第二逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w0,第十四天线的加权权值为w1,第十五天线的加权权值为w2,第十六天线的加权权值为w3Determining, by the signal of the second logical port, a weighting weight of the thirteenth antenna sequentially corresponding to the fourth group of antennas is w 0 , a weighting weight of the fourteenth antenna is w 1 , and weighting of the fifteenth antenna The weight is w 2 , and the weighted weight of the sixteenth antenna is w 3 ;
负号添加单元,用于对于所述第一逻辑端口的信号,为第m组天线的加权权值添加负号;a minus sign adding unit, configured to add a negative sign to the weighting weight of the mth group antenna for the signal of the first logical port;
对于所述第二逻辑端口的信号,为第n组天线的加权权值添加负号;其中,m与n的差的绝对值为2; For the signal of the second logical port, adding a negative sign to the weighting weight of the nth group antenna; wherein, the absolute value of the difference between m and n is 2;
信号发送单元,用于采用所述16个天线中每个天线对应的权值发送所述第一逻辑端口的信号与所述第二逻辑端口的信号。And a signal sending unit, configured to send, by using a weight corresponding to each of the 16 antennas, a signal of the first logical port and a signal of the second logical port.
结合第三方面的第二种可能的实现方式,所述w0的平方与所述w3的平方之和等于1;所述w1的平方与所述w2的平方之和等于1。In conjunction with the second possible implementation of the third aspect, the sum of the square of w 0 and the square of the w 3 is equal to 1; the sum of the square of the w 1 and the square of the w 2 is equal to 1.
结合第三方面的第三种可能的实现方式,所述第一逻辑端口的信号与所述第二逻辑端口的信号为小区专有导频信号。In conjunction with the third possible implementation of the third aspect, the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
根据本申请的第四方面的第一种可能的实现方式,本申请提供一种用于多天线的信号发送装置,所述多天线包括8列双极化天线,所述8列双极化天线共包括16个天线,所述双极化天线中的一个天线的极化方向为第一极化方向,另一个天线的极化方向为第二极化方向,所述第一极化方向与所述第二极化方向正交,所述8列双极化天线按照排列顺序依次为第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线、第五列双极化天线、第六列双极化天线、第七列双极化天线和第八列双极化天线;所述16个天线分为第一组天线、第二组天线、第三组天线和第四组天线,所述第一组天线包括所述第一列双极化天线和第二列双极化天线,所述第二组天线包括所述第三列双极化天线和第四列双极化天线,所述第三组天线包括所述第五列双极化天线和第六列双极化天线,所述第四组天线包括所述第七列双极化天线和第八列双极化天线;第一逻辑端口使用所述第一组天线和第三组天线发送信号,第二逻辑端口使用所述第二组天线和第四组天线发送信号;According to a first possible implementation manner of the fourth aspect of the present application, the application provides a signal transmitting apparatus for multiple antennas, where the multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas A total of 16 antennas are included, one of the dual-polarized antennas has a polarization direction of a first polarization direction, and the other antenna has a polarization direction of a second polarization direction, and the first polarization direction is The second polarization direction is orthogonal, and the 8-column dual-polarized antennas are, in order of arrangement, a first column of dual-polarized antennas, a second-row dual-polarized antenna, a third-row dual-polarized antenna, and a fourth-row double a polarized antenna, a fifth column dual polarized antenna, a sixth column dual polarized antenna, a seventh column dual polarized antenna, and an eighth column dual polarized antenna; the 16 antennas are divided into a first group antenna and a second antenna a group antenna, a third group antenna, and a fourth group antenna, the first group antenna includes the first column dual-polarized antenna and the second column dual-polarized antenna, and the second group antenna includes the third column a dual polarized antenna and a fourth column of dual polarized antennas, the third set of antennas including the fifth column of dual polarized days a line and a sixth column of dual polarized antennas, the fourth set of antennas comprising the seventh column of dual polarized antennas and an eighth column of dual polarized antennas; the first set of antennas using the first set of antennas and the third set of The antenna transmits a signal, and the second logical port transmits the signal by using the second group antenna and the fourth group antenna;
所述装置包括: The device includes:
权值获取单元,用于获取第一逻辑端口的信号对应的加权权值w1a weight obtaining unit, configured to acquire a weighting weight w 1 corresponding to a signal of the first logical port;
权值确定单元,用于确定第一组天线和第三组天线中每个天线的加权权值为w1a weight determining unit, configured to determine a weighting weight w 1 of each of the first group antenna and the third group antenna;
所述权值获取单元,还用于获取第二逻辑端口的信号对应的加权权值w2The weight obtaining unit is further configured to acquire a weighting weight w 2 corresponding to the signal of the second logical port;
所述权值确定单元,还用于确定第二组天线和第四组天线中每个天线的加权权值为w2The weight determining unit is further configured to determine a weighting weight w 2 of each of the second group antenna and the fourth group antenna;
相位符号改变单元,用于改变所述第一组天线中部分天线的加权权值的相位符号,以使所述第一组天线合成的信号的方向为所述第一极化方向;a phase symbol changing unit, configured to change a phase symbol of a weighting weight of a part of antennas in the first group of antennas, so that a direction of a signal synthesized by the first group of antennas is the first polarization direction;
改变所述第三组天线中部分天线的加权权值的相位符号,以使所述第三组天线合成的信号的方向为所述第二极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the third group of antennas, so that a direction of the signal synthesized by the third group of antennas is the second polarization direction;
改变所述第二组天线中部分天线的加权权值的相位符号,以使所述第二组天线合成的信号的方向为所述第一极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the second group of antennas, so that a direction of the signal synthesized by the second group of antennas is the first polarization direction;
改变所述第四组天线中部分天线的加权权值的相位符号,以使所述第四组天线合成的信号的方向为第三极化方向,所述第三极化方向与所述第一极化方向相反;And changing a phase symbol of the weighting weights of the partial antennas of the fourth group of antennas, so that a direction of the signal synthesized by the fourth group of antennas is a third polarization direction, the third polarization direction and the first The direction of polarization is opposite;
信号发送单元,用于采用所述16个天线中每个天线对应的权值发送所述第一逻辑端口的信号与所述第二逻辑端口的信号。And a signal sending unit, configured to send, by using a weight corresponding to each of the 16 antennas, a signal of the first logical port and a signal of the second logical port.
结合第四方面的第二种可能的实现方式,所述w1与w2的值均为1。In conjunction with the second possible implementation of the fourth aspect, the values of w 1 and w 2 are both 1.
结合第四方面的第三种可能的实现方式,所述第一逻辑端口的信号与所述第二逻辑端口的信号为小区专有导频信号。 In conjunction with the third possible implementation of the fourth aspect, the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
根据本申请提供的具体实施例,本申请公开了以下技术效果:According to a specific embodiment provided by the present application, the present application discloses the following technical effects:
本申请公开的用于多天线的信号发送方法及装置,通过获取第一逻辑端口的信号对应的部分天线的加权权值,确定第一逻辑端口的信号以及第二逻辑端口的信号对应的全部天线的加权权值,改变所述加权权值中的部分权值的相位符号;可以使得第一逻辑端口的等效信号与第二逻辑端口的等效信号相互正交,进而降低多个天线同时发送的不同逻辑端口的信号在被用户设备接收时产生的相互干扰。The signal transmission method and apparatus for multiple antennas disclosed in the present application determine the signal of the first logical port and the signal corresponding to the signal of the second logical port by acquiring the weighting weight of the partial antenna corresponding to the signal of the first logical port. The weighting weight, changing the phase symbol of the partial weight in the weighting weight; the equivalent signal of the first logical port and the equivalent signal of the second logical port may be orthogonal to each other, thereby reducing simultaneous transmission of multiple antennas Mutual interference generated by signals of different logical ports when received by the user equipment.
附图说明DRAWINGS
为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings to be used in the embodiments will be briefly described below. Obviously, the drawings in the following description are only some of the present application. For the embodiments, other drawings may be obtained from those skilled in the art without any inventive labor.
图1为本申请实施例的双极化天线结构示意图;1 is a schematic structural diagram of a dual-polarized antenna according to an embodiment of the present application;
图2为本申请实施例1的第一组天线和第二组天线的结构示意图;2 is a schematic structural diagram of a first group antenna and a second group antenna according to Embodiment 1 of the present application;
图3为本申请实施例1的第三组天线和第四组天线的结构示意图;3 is a schematic structural diagram of a third group antenna and a fourth group antenna according to Embodiment 1 of the present application;
图4为本申请的用于多天线的信号发送方法实施例1的流程图;4 is a flowchart of Embodiment 1 of a signal transmission method for multiple antennas according to the present application;
图5为本申请的用于多天线的信号发送方法实施例1中第一逻辑端口的信号的等效图;5 is an equivalent diagram of signals of a first logical port in Embodiment 1 of a signal transmission method for multiple antennas according to the present application;
图6为本申请的用于多天线的信号发送方法实施例1中第二逻辑端口的信号的等效图;6 is an equivalent diagram of signals of a second logical port in Embodiment 1 of a signal transmission method for multiple antennas according to the present application;
图7为本申请的用于多天线的信号发送方法实施例1中第一逻辑端口和第二逻辑端口的信号进一步合成后的等效图; 7 is an equivalent diagram of further synthesizing signals of the first logical port and the second logical port in Embodiment 1 of the signal transmission method for multiple antennas according to the present application;
图8为本申请的用于多天线的信号发送方法实施例2的流程图;8 is a flowchart of Embodiment 2 of a signal transmission method for multiple antennas according to the present application;
图9为本申请用于多天线的信号发送方法实施例2中天线的加权权值的相位符号改变之前,第一逻辑端口的信号与天线的权值的对应关系示意图;FIG. 9 is a schematic diagram showing the correspondence between the signal of the first logical port and the weight of the antenna before the phase symbol of the weighting weight of the antenna in the second embodiment of the signal transmission method of the present application;
图10为本申请用于多天线的信号发送方法实施例2中天线的加权权值的相位符号改变之前,第二逻辑端口的信号与天线的权值的对应关系示意图;10 is a schematic diagram showing a correspondence relationship between a signal of a second logical port and an weight of an antenna before a phase symbol of a weighted weight of an antenna in Embodiment 2 of the signal transmission method of the present application;
图11为本申请用于多天线的信号发送方法实施例2中第一逻辑端口的信号的等效图;11 is an equivalent diagram of signals of a first logical port in Embodiment 2 of a signal transmission method for multiple antennas according to the present application;
图12为本申请用于多天线的信号发送方法实施例2中第二逻辑端口的信号的等效图;12 is an equivalent diagram of signals of a second logical port in Embodiment 2 of a signal transmission method for multiple antennas according to the present application;
图13为本申请的用于多天线的信号发送装置实施例的结构图;13 is a structural diagram of an embodiment of a signal transmitting apparatus for multiple antennas of the present application;
图14为本申请的另一种用于多天线的信号发送装置实施例的结构图;FIG. 14 is a structural diagram of another embodiment of a signal transmitting apparatus for multiple antennas according to the present application; FIG.
图15为本申请的计算节点的结构图。Figure 15 is a structural diagram of a computing node of the present application.
具体实施方式detailed description
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the drawings in the embodiments of the present application. It is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope are the scope of the present application.
为使本申请的上述目的、特征和优点能够更加明显易懂,下面结合附图和具体实施方式对本申请作进一步详细的说明。 The above described objects, features and advantages of the present application will become more apparent and understood.
图1为本申请实施例的双极化天线结构示意图。如图1所示,所述多天线包括8列双极化天线。所述8列双极化天线依次为第一列双极化天线01、第二列双极化天线02、第三列双极化天线03、第四列双极化天线04、第五列双极化天线05、第六列双极化天线06、第七列双极化天线07、第八列双极化天线08。所述8列双极化天线共包括16个天线。FIG. 1 is a schematic structural diagram of a dual-polarized antenna according to an embodiment of the present application. As shown in FIG. 1, the multi-antenna includes eight columns of dual-polarized antennas. The eight columns of dual-polarized antennas are, in order, a first column of dual-polarized antennas 01, a second column of dual-polarized antennas 02, a third-row dual-polarized antennas 03, a fourth-row dual-polarized antennas 04, and a fifth column of doubles. The polarized antenna 05, the sixth column of dual polarized antenna 06, the seventh column of dual polarized antenna 07, and the eighth column of dual polarized antenna 08. The 8-column dual-polarized antenna includes a total of 16 antennas.
本申请实施例中,可以采用所述8列双极化天线同时发送两个逻辑端口(第一逻辑端口和第二逻辑端口)的信号。第一逻辑端口和第二逻辑端口同时使用所述8列双极化天线发送信号。In the embodiment of the present application, the signals of two logical ports (the first logical port and the second logical port) may be simultaneously transmitted by using the 8-column dual-polarized antenna. The first logical port and the second logical port simultaneously transmit signals using the 8-column dual-polarized antenna.
所述16个天线可以分为第一组天线、第二组天线、第三组天线和第四组天线。The 16 antennas may be divided into a first group antenna, a second group antenna, a third group antenna, and a fourth group antenna.
图2为本申请实施例1的第一组天线和第二组天线的结构示意图。如图2所示,所述第一组天线可以包括第一天线011、第二天线021、第三天线031、第四天线041。所述第二组天线可以包括第五天线051、第六天线061、第七天线071、第八天线081。2 is a schematic structural diagram of a first group antenna and a second group antenna according to Embodiment 1 of the present application. As shown in FIG. 2, the first group antenna may include a first antenna 011, a second antenna 021, a third antenna 031, and a fourth antenna 041. The second group antenna may include a fifth antenna 051, a sixth antenna 061, a seventh antenna 071, and an eighth antenna 081.
图3为本申请实施例1的第三组天线和第四组天线的结构示意图。如图3所示,所述第三组天线可以包括第九天线012、第十天线022、第十一天线032、第十二天线042。所述第四组天线可以包括第十三天线052、第十四天线062、第十五天线072、第十六天线082。FIG. 3 is a schematic structural diagram of a third group antenna and a fourth group antenna according to Embodiment 1 of the present application. As shown in FIG. 3, the third group antenna may include a ninth antenna 012, a tenth antenna 022, an eleventh antenna 032, and a twelfth antenna 042. The fourth set of antennas may include a thirteenth antenna 052, a fourteenth antenna 062, a fifteenth antenna 072, and a sixteenth antenna 082.
图2和图3所示天线中,所述第一组天线中的天线和所述第三组天线中的天线分别依次归属于所述第一列双极化天线01、第二列双极化天线02、第三列双极化天线03、第四列双极化天线04。所述第二组天线中的天线和所述第四组天线中的天线分别依次归属于所述第五列双极化天线05、 第六列双极化天线06、第七列双极化天线07、第八列双极化天线08。In the antennas shown in FIG. 2 and FIG. 3, the antennas in the first group of antennas and the antennas in the third group of antennas are respectively attributed to the first column of dual-polarized antennas 01 and the second column of dual polarizations. Antenna 02, third column dual polarized antenna 03, and fourth column dual polarized antenna 04. The antennas of the second group of antennas and the antennas of the fourth group of antennas are respectively attributed to the fifth column of dual-polarized antennas 05, The sixth column of dual-polarized antennas 06, the seventh column of dual-polarized antennas 07, and the eighth column of dual-polarized antennas 08.
本申请实施例中,可以将所述第一组天线与所述第二组天线的极化方向称为第一极化方向,所述第三组天线与所述第四组天线的极化方向称为第二极化方向,所述第一极化方向与所述第二极化方向正交。In this embodiment, the polarization directions of the first group of antennas and the second group of antennas may be referred to as a first polarization direction, and polarization directions of the third group of antennas and the fourth group of antennas Referring to the second polarization direction, the first polarization direction is orthogonal to the second polarization direction.
图4为本申请的用于多天线的信号发送方法实施例1的流程图。如图4所示,所述方法可以包括:FIG. 4 is a flowchart of Embodiment 1 of a signal transmission method for multiple antennas according to the present application. As shown in FIG. 4, the method may include:
步骤401:获取第一逻辑端口的信号在所述第一组天线中依次对应的第一天线的加权权值w0,第二天线的加权权值w1,第三天线的加权权值w2,第四天线的加权权值w3Step 401: obtaining a first antenna weighting right port of the first logic signal in the first set of antennas sequentially value corresponding to w 0, the weighted value of the second antenna weights w 1, the weighted value of the third antenna weights w 2 , the weighted weight w 3 of the fourth antenna;
实际应用中,可以采用现有技术中的方式确定第一组天线中的各个天线的加权权值。当第一组天线中四个天线的加权权值确定以后,可以根据第一组天线中四个天线的加权权值,确定第一逻辑端口的信号对应的另外十二个天线的权值,并且可以确定第二逻辑端口的信号对应的十六个天线的权值。In practical applications, the weighting weights of the respective antennas in the first group of antennas may be determined in a manner in the prior art. After the weighting weights of the four antennas in the first group of antennas are determined, the weights of the other twelve antennas corresponding to the signals of the first logical port may be determined according to the weighting weights of the four antennas in the first group of antennas, and The weights of the sixteen antennas corresponding to the signals of the second logical port may be determined.
步骤402:确定所述第一逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w3,第六天线的加权权值为w2,第七天线的加权权值为w1,第八天线的加权权值为w0Step 402: Determine that the weight of the fifth antenna corresponding to the signal of the first logical port in the second group of antennas is w 3 , and the weight of the sixth antenna is w 2 , and the seventh antenna The weighted weight is w 1 and the weighted weight of the eighth antenna is w 0 ;
步骤403:确定所述第一逻辑端口的信号在所述第三组天线中依次对应的第九天线的加权权值为w0,第十天线的加权权值为w1,第十一天线的加权权值为w2,第十二天线的加权权值为w3Step 403: Determine that the weight of the ninth antenna sequentially corresponding to the signal of the first logical port is w 0 , and the weight of the tenth antenna is w 1 , and the eleventh antenna The weighted weight is w 2 and the weighted weight of the twelfth antenna is w 3 ;
步骤404:确定所述第一逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w3,第十四天线的加权权值为w2,第十五 天线的加权权值为w1,第十六天线的加权权值为w0Step 404: determining the weighted first antenna weights thirteenth logic signal port in the fourth set value corresponding to the antennas sequentially w 3, right fourteenth antenna weighting value w 2, XV The weighted weight of the antenna is w 1 , and the weighted weight of the sixteenth antenna is w 0 ;
通过上述步骤,可以得到第一逻辑端口的信号的加权权值矩阵W0Through the above steps, the weighted weight matrix W 0 of the signal of the first logical port can be obtained.
W0=[w0 w1 w2 w3 w3 w2 w1 w0 w0 w1 w2 w3 w3 w2 w1 w0]W 0 =[w 0 w 1 w 2 w 3 w 3 w 2 w 1 w 0 w 0 w 1 w 2 w 3 w 3 w 2 w 1 w 0 ]
矩阵W0中的16个加权权值从左至右分别与第一至第十六天线相对应。The 16 weighting weights in the matrix W 0 correspond to the first to sixteenth antennas from left to right, respectively.
步骤405:确定第二逻辑端口的信号在所述第一组天线中依次对应的第一天线的加权权值为w3,第二天线的加权权值为w2,第三天线的加权权值为w1,第四天线的加权权值为w0Step 405: Determine that the weight of the first antenna corresponding to the signal of the second logical port in the first group of antennas is w 3 , the weight of the second antenna is w 2 , and the weight of the third antenna For w 1 , the weighted weight of the fourth antenna is w 0 ;
步骤406:确定所述第二逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w0,第六天线的加权权值为w1,第七天线的加权权值为w2,第八天线的加权权值为w3Step 406: Determine that the weighted weight of the fifth antenna corresponding to the second logical port in the second group of antennas is w 0 , and the weight of the sixth antenna is w 1 , and the seventh antenna The weighted weight is w 2 , and the weighted weight of the eighth antenna is w 3 ;
步骤407:确定所述第二逻辑端口的信号在所述第一组天线中依次对应的第九天线的加权权值为w3,第十天线的加权权值为w2,第十一天线的加权权值为w1,第十二天线的加权权值为w0Step 407: determining the second logic signal ports in the first group of antennas sequentially ninth antenna weights corresponding weighting value w 3, the antenna weighting value tenth weight w 2, the antenna of the eleventh The weighted weight is w 1 and the weighted weight of the twelfth antenna is w 0 ;
步骤408:确定所述第二逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w0,第十四天线的加权权值为w1,第十五天线的加权权值为w2,第十六天线的加权权值为w3Step 408: Determine that the weighted weight of the thirteenth antenna sequentially corresponding to the signal of the second logical port in the fourth group of antennas is w 0 , and the weighted weight of the fourteenth antenna is w 1 , the fifteenth The weighted weight of the antenna is w 2 , and the weighted weight of the sixteenth antenna is w 3 ;
通过上述步骤,可以得到第二逻辑端口的信号的加权权值矩阵W1Through the above steps, the weighted weight matrix W 1 of the signal of the second logical port can be obtained.
W1=[w3 w2 w1 w0 w0 w1 w2 w3 w3 w2 w1 w0 w0 w1 w2 w3]W 1 =[w 3 w 2 w 1 w 0 w 0 w 1 w 2 w 3 w 3 w 2 w 1 w 0 w 0 w 1 w 2 w 3 ]
矩阵W1中的16个加权权值从左至右分别与第一至第十六天线相对应。The 16 weighting weights in the matrix W 1 correspond to the first to sixteenth antennas from left to right, respectively.
步骤409:对于所述第一逻辑端口的信号,为第m组天线的加权权值 添加负号;Step 409: For the signal of the first logical port, the weighting weight of the mth group antenna Add a negative sign;
添加负号后,可以使得对应的天线发送的信号的方向变为原方向的反方向。After adding a negative sign, the direction of the signal sent by the corresponding antenna can be changed to the opposite direction of the original direction.
步骤410:对于所述第二逻辑端口的信号,为第n组天线的加权权值添加负号;其中,m与n的差的绝对值为2;Step 410: Add a negative sign to the weighting weight of the nth group antenna for the signal of the second logical port; wherein, the absolute value of the difference between m and n is 2;
本申请实施例中,由于天线被划分成四组,所以m的取值为大于或等于1且小于或等于4的整数,n的取值也为大于或等于1且小于或等于4的整数。当m与n的差的绝对值为2时,可以包括以下情况:m=4,n=2;或者,m=3,n=1;或者,m=2,n=4;或者,m=1,n=3。In the embodiment of the present application, since the antenna is divided into four groups, the value of m is an integer greater than or equal to 1 and less than or equal to 4, and the value of n is also an integer greater than or equal to 1 and less than or equal to 4. When the absolute value of the difference between m and n is 2, the following may be included: m=4, n=2; or, m=3, n=1; or, m=2, n=4; or, m= 1, n = 3.
步骤411:采用所述16个天线中每个天线对应的权值发送所述第一逻辑端口的信号与所述第二逻辑端口的信号。Step 411: Send a signal of the first logical port and a signal of the second logical port by using a weight corresponding to each of the 16 antennas.
下面以m=4,n=2的情况,说明本实施例的原理。The principle of the present embodiment will be described below with m=4 and n=2.
当对于所述第一逻辑端口的信号,为第4组天线的加权权值添加负号后,可以得到第一逻辑端口的信号的加权权值矩阵W0变为When a negative sign is added to the weighting weight of the fourth group of antennas for the signal of the first logical port, the weighted weight matrix W 0 of the signal of the first logical port can be obtained.
W0=[w0 w1 w2 w3 w3 w2 w1 w0 w0 w1 w2 w3 -w3 -w2 -w1 -w0]。W 0 =[w 0 w 1 w 2 w 3 w 3 w 2 w 1 w 0 w 0 w 1 w 2 w 3 -w 3 -w 2 -w 1 -w 0 ].
当对于所述第二逻辑端口的信号,为第2组天线的加权权值添加负号后,可以得到第二逻辑端口的信号的加权权值矩阵W1变为After adding a negative sign to the weighting weight of the second group of antennas for the signal of the second logical port, the weighted weight matrix W 1 of the signal of the second logical port can be obtained.
W1=[w3 w2 w1 w0 -w0 -w1 -w2 -w3 w3 w2 w1 w0 w0 w1 w2 w3]。W 1 =[w 3 w 2 w 1 w 0 -w 0 -w 1 -w 2 -w 3 w 3 w 2 w 1 w 0 w 0 w 1 w 2 w 3 ].
对于双极化天线,可以将每组的四个天线的信号等效成一个信号。For a dual-polarized antenna, the signals of the four antennas of each group can be equivalent to one signal.
图5为本申请的用于多天线的信号发送方法实施例1中第一逻辑端口 的信号的等效图。图5中,第一组天线的等效信号为P01,第二组天线的等效信号为P01,第三组天线的等效信号为P02,由于第四组天线的权值具有负号,因此第四组天线的等效信号为-P02。对于图5中的等效信号,进一步合成时,第三组天线与第四组天线的等效信号由于方向相反,大小相等,将被抵消,第一组天线与第二组天线的等效信号由于方向相同,大小相等,将被叠加。叠加后的等效信号理论上可以是2P01Fig. 5 is an equivalent diagram of signals of a first logical port in Embodiment 1 of a signal transmission method for multiple antennas of the present application. In Figure 5, the equivalent signal of the first set of antennas is P 01 , the equivalent signal of the second set of antennas is P 01 , and the equivalent signal of the third set of antennas is P 02 , because the weights of the fourth set of antennas are negative. No. Therefore, the equivalent signal of the fourth set of antennas is -P 02 . For the equivalent signal in FIG. 5, when further synthesized, the equivalent signals of the third group antenna and the fourth group antenna are equalized in opposite directions, and will be offset, and the equivalent signals of the first group antenna and the second group antenna are Since the directions are the same and the sizes are equal, they will be superimposed. The equivalent signal after superposition can theoretically be 2P 01 .
图6为本申请的用于多天线的信号发送方法实施例1中第二逻辑端口的信号的等效图。6 is an equivalent diagram of signals of a second logical port in Embodiment 1 of a signal transmission method for multiple antennas according to the present application.
图6中,第一组天线的等效信号为P11,由于第二组天线的权值具有负号,因此第二组天线的等效信号-P11,第三组天线的等效信号为P12,第四组天线的等效信号为P12。对于图6中的等效信号,进一步合成时,第一组天线与第二组天线的等效信号由于方向相反,大小相等,将被抵消,第三组天线与第四组天线的等效信号由于方向相同,大小相等,将被叠加。叠加后的等效信号理论上可以是2P126, the equivalent signal for the first antenna group P 11, since the weight of the second group of antennas having a negative value, so the equivalent signal -P 11 of the second group of antennas, a signal equivalent to the third set of antennas P 12 , the equivalent signal of the fourth set of antennas is P 12 . For the equivalent signal in FIG. 6, when further synthesized, the equivalent signals of the first group antenna and the second group antenna are equal due to opposite directions, and will be canceled, and the equivalent signals of the third group antenna and the fourth group antenna are Since the directions are the same and the sizes are equal, they will be superimposed. The equivalent signal after superposition can theoretically be 2P 12 .
图7为本申请的用于多天线的信号发送方法实施例1中第一逻辑端口和第二逻辑端口的信号进一步合成后的等效图。如图7所示,最终合成的等效信号为2倍的P01和2倍的P12。由上述推导过程以及图7可以看出,合成后的等效信号中,第一逻辑端口的等效信号P01与第二逻辑端口的等效信号P12,相互正交。因此可以降低用户设备接收信号时,第一逻辑端口的信号与第二逻辑端口的信号产生的相互干扰。FIG. 7 is an equivalent diagram of further synthesizing signals of the first logical port and the second logical port in Embodiment 1 of the signal transmitting method for multiple antennas according to the present application. As shown in Fig. 7, the equivalent signal of the final synthesis is 2 times P 01 and 2 times P 12 . It can be seen from the above derivation process and FIG. 7 that, in the synthesized equivalent signal, the equivalent signal P 01 of the first logical port and the equivalent signal P 12 of the second logical port are orthogonal to each other. Therefore, the mutual interference between the signal of the first logical port and the signal of the second logical port when the user equipment receives the signal can be reduced.
综上所述,本实施例中,通过根据第一组天线中的天线对应于第一逻辑信号的加权权值,确定第一逻辑端口的信号对应的另外十二个天线的权 值,确定第二逻辑端口的信号对应的十六个天线的权值;对于所述第一逻辑端口的信号,为第m组天线的加权权值添加负号;对于所述第二逻辑端口的信号,为第n组天线的加权权值添加负号;其中,m与n的差的绝对值为2;可以使得第一逻辑端口的等效信号与第二逻辑端口的等效信号相互正交,进而降低多个天线同时发送的不同逻辑端口的信号在被用户设备接收时产生的相互干扰。In summary, in this embodiment, the weight of the other twelve antennas corresponding to the signal of the first logical port is determined according to the weighting weight corresponding to the first logical signal of the antenna in the first group of antennas. a value, determining a weight of the sixteen antennas corresponding to the signal of the second logical port; for the signal of the first logical port, adding a negative sign to the weighting weight of the mth group antenna; for the second logical port a signal, adding a negative sign to the weighted weight of the nth group antenna; wherein, the absolute value of the difference between m and n is 2; the equivalent signal of the first logical port and the equivalent signal of the second logical port may be orthogonal to each other , thereby reducing mutual interference generated by signals of different logical ports simultaneously transmitted by multiple antennas when received by the user equipment.
实际应用中,为了使双极化天线上发送的信号的功率尽量大,达到功率满发的状态,还可以设置w0,w1,w2,w3之间的数值关系,使得所述w0的平方与所述w3的平方之和等于1,所述w1的平方与所述w2的平方之和等于1。In practical applications, in order to make the power of the signal transmitted on the dual-polarized antenna as large as possible and reach the state of full power, the numerical relationship between w 0 , w 1 , w 2 , and w 3 may also be set, so that the w The sum of the square of 0 and the square of the w 3 is equal to 1, and the sum of the square of the w 1 and the square of the w 2 is equal to 1.
实际应用中,所述第一逻辑端口的信号与所述第二逻辑端口的信号可以为小区专有导频信号(Cell-specific Reference Signal,CRS)。In a practical application, the signal of the first logical port and the signal of the second logical port may be a Cell-specific Reference Signal (CRS).
本申请还提供了另一种用于多天线的信号发送方法。所述多天线包括8列双极化天线,所述8列双极化天线共包括16个天线,所述双极化天线中的一个天线的极化方向为第一极化方向,另一个天线的极化方向为第二极化方向,所述第一极化方向与所述第二极化方向正交。The present application also provides another signal transmission method for multiple antennas. The multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas comprise a total of 16 antennas. One of the dual-polarized antennas has a polarization direction of a first polarization direction and another antenna. The polarization direction is a second polarization direction, and the first polarization direction is orthogonal to the second polarization direction.
本实施例中的双极化天线结构与图1所示结构相同。所述16个天线可以分为第一组天线、第二组天线、第三组天线和第四组天线。其中,所述第一组天线包括所述第一列双极化天线01和第二列双极化天线02,所述第二组天线包括所述第三列双极化天线03和第四列双极化天线04,所述第三组天线包括所述第五列双极化天线05和第六列双极化天线06,所述 第四组天线包括所述第七列双极化天线07和第八列双极化天线08。本实施例中,第一逻辑端口使用所述第一组天线和第三组天线发送信号,第二逻辑端口使用所述第二组天线和第四组天线发送信号。The structure of the dual-polarized antenna in this embodiment is the same as that shown in FIG. The 16 antennas may be divided into a first group antenna, a second group antenna, a third group antenna, and a fourth group antenna. The first group of antennas includes the first column of dual-polarized antennas 01 and the second column of dual-polarized antennas 02, and the second group of antennas includes the third column of dual-polarized antennas 03 and fourth columns a dual-polarized antenna 04, the third set of antennas including the fifth-column dual-polarized antenna 05 and the sixth-column dual-polarized antenna 06, The fourth set of antennas includes the seventh column of dual polarized antennas 07 and the eighth column of dual polarized antennas 08. In this embodiment, the first logical port transmits signals by using the first group antenna and the third group antenna, and the second logic port transmits signals by using the second group antenna and the fourth group antenna.
图8为本申请的用于多天线的信号发送方法实施例2的流程图。如图8所示,所述方法可以包括:FIG. 8 is a flowchart of Embodiment 2 of a signal transmission method for multiple antennas according to the present application. As shown in FIG. 8, the method may include:
步骤801:获取第一逻辑端口的信号对应的加权权值w1Step 801: Acquire a weighting weight w 1 corresponding to a signal of the first logical port;
可以采用现有技术的方法确定第一逻辑端口的信号对应的加权权值w1The weighting weight w 1 corresponding to the signal of the first logical port can be determined by a prior art method.
步骤802:确定第一组天线和第三组天线中每个天线的加权权值为w1Step 802: Determine a weighting weight w 1 of each of the first group antenna and the third group antenna;
可以得到第一逻辑端口的信号的加权权值矩阵为,The weighted weight matrix of the signal of the first logical port can be obtained,
W1=[w1 w1 0 0 w1 w1 0 0 w1 w1 0 0 w1 w1 0 0]。W 1 =[w 1 w 1 0 0 w 1 w 1 0 0 w 1 w 1 0 0 w 1 w 1 0 0].
矩阵W1中的16个加权权值从左至右分别与第一至第十六天线相对应。The 16 weighting weights in the matrix W 1 correspond to the first to sixteenth antennas from left to right, respectively.
其中,由于第一逻辑端口并不使用所述第二组天线和第四组天线发送信号,因此所述第二组天线和第四组天线对应位置的加权权值为0。The weighting weight of the corresponding position of the second group antenna and the fourth group antenna is 0, because the first logical port does not use the second group antenna and the fourth group antenna to transmit signals.
步骤803:获取第二逻辑端口的信号对应的加权权值w2Step 803: Acquire a weighting weight w 2 corresponding to the signal of the second logical port;
可以采用现有技术的方法确定第二逻辑端口的信号对应的加权权值w2The weighting weight w 2 corresponding to the signal of the second logical port can be determined by a prior art method.
步骤804:确定第二组天线和第四组天线中每个天线的加权权值为w2Step 804: Determine a weighting weight w 2 of each of the second group antenna and the fourth group antenna;
可以得到第二逻辑端口的信号的加权权值矩阵为,The weighted weight matrix of the signal of the second logical port can be obtained as
W2=[0 0 w2 w2 0 0 w2 w2 0 0 w2 w2 0 0 w2 w2]。W 2 = [0 0 w 2 w 2 0 0 w 2 w 2 0 0 w 2 w 2 0 0 w 2 w 2 ].
矩阵W2中的16个加权权值从左至右分别与第一至第十六天线相对 应。The 16 weighting weights in the matrix W 2 correspond to the first to sixteenth antennas from left to right, respectively.
其中,由于第二逻辑端口并不使用所述第一组天线和第三组天线发送信号,因此所述第一组天线和第三组天线对应位置的加权权值为0。The weighting weight of the corresponding position of the first group antenna and the third group antenna is 0, because the second logical port does not use the first group antenna and the third group antenna to transmit signals.
步骤805:改变所述第一组天线中部分天线的加权权值的相位符号,以使所述第一组天线合成的信号的方向为所述第一极化方向;Step 805: Change a phase symbol of a weighting weight of a part of antennas in the first group of antennas, so that a direction of a signal synthesized by the first group of antennas is the first polarization direction;
本实施例中,可以将图1中的双极化天线中由左下指向右上的方向作为第一极化方向,将图1中的双极化天线中由右下指向左上的方向作为第二极化方向。In this embodiment, the direction from the lower left to the upper right in the dual-polarized antenna in FIG. 1 can be used as the first polarization direction, and the direction from the lower right to the upper left in the dual-polarized antenna in FIG. 1 is used as the second pole. Direction.
图9为本申请用于多天线的信号发送方法实施例2中天线的加权权值的相位符号改变之前,第一逻辑端口的信号与天线的权值的对应关系示意图。FIG. 9 is a schematic diagram showing the correspondence between the signal of the first logical port and the weight of the antenna before the phase symbol of the weighting weight of the antenna in the second embodiment of the signal transmission method of the present application.
为了使所述第一组天线合成的信号的方向为所述第一极化方向,可以有多种相位符号改变方式。例如,可以改变天线9的信号的相位符号,使天线9的信号与天线10的信号方向相反,或者,可以改变天线10的信号的相位符号,使天线10的信号与天线9的信号方向相反。In order to make the direction of the signal synthesized by the first group of antennas into the first polarization direction, there may be multiple phase symbol change modes. For example, the phase sign of the signal of the antenna 9 can be changed such that the signal of the antenna 9 is opposite to the signal direction of the antenna 10, or the phase sign of the signal of the antenna 10 can be changed such that the signal of the antenna 10 is opposite to the signal direction of the antenna 9.
假设改变改变天线10的信号的相位符号,则第一逻辑端口的信号的加权权值矩阵变为,Assuming that the phase sign of the signal of the antenna 10 is changed, the weighted weight matrix of the signal of the first logical port becomes,
W1=[w1 w1 0 0 w1 w1 0 0 w1 -w1 0 0 w1 w1 0 0]W 1 =[w 1 w 1 0 0 w 1 w 1 0 0 w 1 -w 1 0 0 w 1 w 1 0 0]
步骤806:改变所述第三组天线中部分天线的加权权值的相位符号,以使所述第三组天线合成的信号的方向为所述第二极化方向;Step 806: Change a phase symbol of a weighting weight of a part of the antennas of the third group of antennas, so that a direction of a signal synthesized by the third group of antennas is the second polarization direction;
与步骤805原理相同,假设改变天线5的信号的相位符号,则第一逻辑端口的信号的加权权值矩阵进一步变为, As with the principle of step 805, assuming that the phase sign of the signal of the antenna 5 is changed, the weighted weight matrix of the signal of the first logical port is further changed to
W1=[w1 w1 0 0 -w1 w1 0 0 w1 -w1 0 0 w1 w1 0 0]W 1 =[w 1 w 1 0 0 -w 1 w 1 0 0 w 1 -w 1 0 0 w 1 w 1 0 0]
步骤807:改变所述第二组天线中部分天线的加权权值的相位符号,以使所述第二组天线合成的信号的方向为所述第一极化方向;Step 807: Change a phase symbol of a weighting weight of a part of antennas in the second group of antennas, so that a direction of a signal synthesized by the second group of antennas is the first polarization direction;
第二组天线与第四组天线中发送的为第二逻辑端口的信号。A signal transmitted by the second group of antennas and the fourth group of antennas is a signal of the second logic port.
图10为本申请用于多天线的信号发送方法实施例2中天线的加权权值的相位符号改变之前,第二逻辑端口的信号与天线的权值的对应关系示意图。FIG. 10 is a schematic diagram showing the correspondence between the signal of the second logical port and the weight of the antenna before the phase symbol of the weighting weight of the antenna in the second embodiment of the present invention.
与步骤805原理相同,改变天线11或天线12的相位符号均可以使所述第二组天线合成的信号的方向为所述第一极化方向。Similar to the principle of step 805, changing the phase symbols of the antenna 11 or the antenna 12 may cause the direction of the signal synthesized by the second group of antennas to be the first polarization direction.
假设,改变天线11的相位符号,则第二逻辑端口的信号的加权权值矩阵变为,Assuming that the phase symbol of the antenna 11 is changed, the weighted weight matrix of the signal of the second logical port becomes,
W2=[0 0 w2 w2 0 0 w2 w2 0 0 w2 -w2 0 0 w2 w2]。W 2 = [0 0 w 2 w 2 0 0 w 2 w 2 0 0 w 2 - w 2 0 0 w 2 w 2 ].
步骤808:改变所述第四组天线中部分天线的加权权值的相位符号,以使所述第四组天线合成的信号的方向为第三极化方向,所述第三极化方向与所述第一极化方向相反;Step 808: Change a phase symbol of a weighting weight of a part of antennas in the fourth group of antennas, so that a direction of a signal synthesized by the fourth group of antennas is a third polarization direction, where the third polarization direction is Said that the first polarization direction is opposite;
本实施例中,由于所述第一极化方向为左下指向右上,则所述第三极化方向为右上指向左下,因此,需要将天线7和天线8的相位符号改变,并且将天线15与天线16中的一个天线的相位符号改变。In this embodiment, since the first polarization direction is the lower left direction and the upper right direction, the third polarization direction is the upper right direction and the lower left direction. Therefore, the phase symbols of the antenna 7 and the antenna 8 need to be changed, and the antenna 15 is The phase sign of one of the antennas 16 changes.
假设,改变天线7、天线8、天线16的相位符号,则第二逻辑端口的信号的加权权值矩阵进一步变为,Assuming that the phase symbols of the antenna 7, the antenna 8, and the antenna 16 are changed, the weighted weight matrix of the signal of the second logical port is further changed to
W2=[0 0 w2 w2 0 0 -w2 -w2 0 0 w2 -w2 0 0 w2 -w2]。W 2 =[0 0 w 2 w 2 0 0 -w 2 -w 2 0 0 w 2 -w 2 0 0 w 2 -w 2 ].
步骤809:采用所述16个天线中每个天线对应的权值发送所述第一逻 辑端口的信号与所述第二逻辑端口的信号。Step 809: Send the first logic by using a weight corresponding to each of the 16 antennas. The signal of the port and the signal of the second logical port.
图11为本申请用于多天线的信号发送方法实施例2中第一逻辑端口的信号的等效图。如图11所示,等效后第一逻辑端口的信号为第一极化方向的信号P11和第二极化方向的信号P1211 is an equivalent diagram of signals of a first logical port in Embodiment 2 of a signal transmission method for multiple antennas according to the present application. As shown, the equivalent signal is a first logic signal port of the first polarization direction signals P 11 and the second polarization direction P 12 11.
图12为本申请用于多天线的信号发送方法实施例2中第二逻辑端口的信号的等效图。如图12所示,等效后第一逻辑端口的信号为第一极化方向的信号P21和第三极化方向的信号P22FIG. 12 is an equivalent diagram of signals of a second logical port in Embodiment 2 of a signal transmission method for multiple antennas according to the present application. As shown in FIG. 12, the signal of the equivalent first logical port is the signal P 21 in the first polarization direction and the signal P 22 in the third polarization direction.
将图11中的等效信号进一步合成,可以得到向上的第一逻辑端口信号,将图12中的等效信号进一步合成,可以得到向右的第二逻辑端口信号。因此,最终合成后的第一逻辑端口的等效信号与第二逻辑端口的等效信号,两者相互正交。By further synthesizing the equivalent signals in FIG. 11, an upward first logical port signal can be obtained, and the equivalent signal in FIG. 12 can be further synthesized to obtain a second logical port signal to the right. Therefore, the equivalent signal of the finally synthesized first logical port and the equivalent signal of the second logical port are orthogonal to each other.
综上所述,本实施例中,通过获取第一逻辑端口的信号对应的加权权值w1,将第一逻辑端口的信号对应的8个天线的权值均设置为w1,获取第二逻辑端口的信号对应的加权权值w2,将第二逻辑端口的信号对应的8个天线的权值均设置为w2;改变所述第一组天线中部分天线的加权权值的相位符号,以使所述第一组天线合成的信号的方向为所述第一极化方向;改变所述第三组天线中部分天线的加权权值的相位符号,以使所述第三组天线合成的信号的方向为所述第二极化方向;改变所述第二组天线中部分天线的加权权值的相位符号,以使所述第二组天线合成的信号的方向为所述第一极化方向;改变所述第四组天线中部分天线的加权权值的相位符号,以使所述第四组天线合成的信号的方向为第三极化方向,所述第三极化方向与所述第一极化方向相反;可以使得第一逻辑端口的等效信号与第二逻 辑端口的等效信号相互正交,进而降低多个天线同时发送的不同逻辑端口的信号在被用户设备接收时产生的相互干扰。In summary, in this embodiment, by obtaining the weighting weight w 1 corresponding to the signal of the first logical port, the weights of the eight antennas corresponding to the signal of the first logical port are all set to w 1 , and the second is obtained. The weighting weight w 2 corresponding to the signal of the logical port is set to w 2 for the weight of the 8 antennas corresponding to the signal of the second logical port; and the phase symbol of the weighting weight of the partial antenna of the first group of antennas is changed. The direction of the signal synthesized by the first group of antennas is the first polarization direction; the phase symbol of the weighting weights of the partial antennas of the third group of antennas is changed, so that the third group of antennas are combined The direction of the signal is the second polarization direction; changing the phase symbol of the weighting weight of the partial antennas of the second group of antennas such that the direction of the signal synthesized by the second group of antennas is the first pole Changing a phase symbol of a weighting weight of a portion of the antennas of the fourth group of antennas such that a direction of the signal synthesized by the fourth group of antennas is a third polarization direction, and the third polarization direction Said that the first polarization direction is opposite; To give a first logical port and the second logic signal equivalent to a signal equivalent series orthogonal to each other port, thereby reducing the mutual interference of a plurality of signals of different logical port of transmitting antennas simultaneously generated when receiving user equipment.
实际应用中,为了使双极化天线上发送的信号的功率尽量大,达到功率满发的状态,可以使得所述w1与w2的值均为1。In practical applications, in order to make the power of the signal transmitted on the dual-polarized antenna as large as possible and reach the state of full power, the values of w 1 and w 2 may be set to 1.
实际应用中,所述第一逻辑端口的信号与所述第二逻辑端口的信号为小区专有导频信号(Cell-specific Reference Signal,CRS)。In a practical application, the signal of the first logical port and the signal of the second logical port are Cell-specific Reference Signals (CRS).
本申请还提供了一种用于多天线的信号发送装置。所述多天线包括8列双极化天线,所述8列双极化天线共包括16个天线,其特征在于,第一逻辑端口和第二逻辑端口同时使用所述8列双极化天线发送信号,所述16个天线分为第一组天线、第二组天线、第三组天线和第四组天线,所述第一组天线与所述第二组天线的极化方向为第一极化方向,所述第三组天线与所述第四组天线的极化方向为第二极化方向,所述第一极化方向与所述第二极化方向正交;所述8列双极化天线依次为第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线、第五列双极化天线、第六列双极化天线、第七列双极化天线、第八列双极化天线;所述第一组天线中的天线和所述第三组天线中的天线分别依次归属于所述第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线;所述第二组天线中的天线和所述第四组天线中的天线分别依次归属于所述第五列双极化天线、第六列双极化天线、第七列双极化天线、第八列双极化天线。The present application also provides a signal transmitting apparatus for multiple antennas. The multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas comprise a total of 16 antennas, wherein the first logical port and the second logical port are simultaneously sent using the 8-column dual-polarized antenna. a signal, the 16 antennas are divided into a first group antenna, a second group antenna, a third group antenna, and a fourth group antenna, wherein a polarization direction of the first group antenna and the second group antenna is a first pole The direction of polarization of the third group of antennas and the fourth group of antennas is a second polarization direction, and the first polarization direction is orthogonal to the second polarization direction; The polarized antennas are a first column of dual-polarized antennas, a second column of dual-polarized antennas, a third-row dual-polarized antenna, a fourth-row dual-polarized antenna, a fifth-row dual-polarized antenna, and a sixth-row bipolar An antenna, a seventh column of dual-polarized antennas, and an eighth column of dual-polarized antennas; the antennas of the first group of antennas and the antennas of the third group of antennas are respectively attributed to the first column of dual polarizations Antenna, second column dual polarized antenna, third column dual polarized antenna, fourth column dual polarized antenna; said second group antenna Antenna and the fourth set of antennas belonging to the antenna are sequentially polarized antenna fifth column, the sixth column of dual-polarized antenna, dual-polarized antenna seventh column, the eighth column polarized antenna.
图13为本申请的用于多天线的信号发送装置实施例的结构图。如图 13所示,所述装置包括:Figure 13 is a structural diagram of an embodiment of a signal transmitting apparatus for multiple antennas of the present application. As shown As shown in Figure 13, the apparatus includes:
权值获取单元1301,用于获取第一逻辑端口的信号在所述第一组天线中依次对应的第一天线的加权权值w0,第二天线的加权权值w1,第三天线的加权权值w2,第四天线的加权权值w3Weight value acquiring unit 1301, a first antenna weights for weighting the signal obtaining a first logical port of the first set of antennas sequentially corresponding value w 0, the weighted value of the second antenna weights w 1, the third antenna Weighted weight w 2 , weighted weight w 3 of the fourth antenna;
权值确定单元1302,用于确定所述第一逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w3,第六天线的加权权值为w2,第七天线的加权权值为w1,第八天线的加权权值为w0 Weight determination unit 1302, the first logic signal for determining a port in said second set of antennas sequentially fifth antenna weights corresponding weighting value w 3, right sixth antenna weighting value w 2, The weighting weight of the seventh antenna is w 1 , and the weighting weight of the eighth antenna is w 0 ;
确定所述第一逻辑端口的信号在所述第三组天线中依次对应的第九天线的加权权值为w0,第十天线的加权权值为w1,第十一天线的加权权值为w2,第十二天线的加权权值为w3Determining, by the signal of the first logical port, a weighting weight of the ninth antenna sequentially corresponding to the third group of antennas is w 0 , a weighting weight of the tenth antenna is w 1 , and a weighting weight of the eleventh antenna For w 2 , the weighted weight of the twelfth antenna is w 3 ;
确定所述第一逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w3,第十四天线的加权权值为w2,第十五天线的加权权值为w1,第十六天线的加权权值为w0Determining, by the signal of the first logical port, the weighted weight of the thirteenth antenna corresponding to the fourth group of antennas is w 3 , the weighting weight of the fourteenth antenna is w 2 , and the weight of the fifteenth antenna The weight is w 1 and the weighted weight of the sixteenth antenna is w 0 ;
确定第二逻辑端口的信号在所述第一组天线中依次对应的第一天线的加权权值为w3,第二天线的加权权值为w2,第三天线的加权权值为w1,第四天线的加权权值为w0Determining, by the signal of the second logical port, the weighting weight of the first antenna corresponding to the first group of antennas is w 3 , the weighting weight of the second antenna is w 2 , and the weighting weight of the third antenna is w 1 The weighting weight of the fourth antenna is w 0 ;
确定所述第二逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w0,第六天线的加权权值为w1,第七天线的加权权值为w2,第八天线的加权权值为w3Determining, by the signal of the second logical port, a weighting weight of the fifth antenna sequentially corresponding to the second group of antennas is w 0 , a weighting weight of the sixth antenna is w 1 , and a weighting weight of the seventh antenna For w 2 , the weighted weight of the eighth antenna is w 3 ;
确定所述第二逻辑端口的信号在所述第一组天线中依次对应的第九天线的加权权值为w3,第十天线的加权权值为w2,第十一天线的加权权值为w1,第十二天线的加权权值为w0Determining, by the signal of the second logical port, a weighting weight of the ninth antenna corresponding to the first group of antennas is w 3 , a weighting weight of the tenth antenna is w 2 , and a weighting weight of the eleventh antenna For w 1 , the weighted weight of the twelfth antenna is w 0 ;
确定所述第二逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w0,第十四天线的加权权值为w1,第十五天线的加权权值为w2,第十六天线的加权权值为w3Determining, by the signal of the second logical port, a weighting weight of the thirteenth antenna sequentially corresponding to the fourth group of antennas is w 0 , a weighting weight of the fourteenth antenna is w 1 , and weighting of the fifteenth antenna The weight is w 2 , and the weighted weight of the sixteenth antenna is w 3 ;
负号添加单元1303,用于对于所述第一逻辑端口的信号,为第m组天线的加权权值添加负号;a minus sign adding unit 1303, configured to add a negative sign to the weighting weight of the mth group antenna for the signal of the first logical port;
对于所述第二逻辑端口的信号,为第n组天线的加权权值添加负号;其中,m与n的差的绝对值为2;For the signal of the second logical port, adding a negative sign to the weighting weight of the nth group antenna; wherein, the absolute value of the difference between m and n is 2;
信号发送单元1304,用于采用所述16个天线中每个天线对应的权值发送所述第一逻辑端口的信号与所述第二逻辑端口的信号。The signal sending unit 1304 is configured to send a signal of the first logical port and a signal of the second logical port by using a weight corresponding to each of the 16 antennas.
本实施例中,通过根据第一组天线中的天线对应于第一逻辑信号的加权权值,确定第一逻辑端口的信号对应的另外十二个天线的权值,确定第二逻辑端口的信号对应的十六个天线的权值;对于所述第一逻辑端口的信号,为第m组天线的加权权值添加负号;对于所述第二逻辑端口的信号,为第n组天线的加权权值添加负号;其中,m与n的差的绝对值为2;可以使得第一逻辑端口的等效信号与第二逻辑端口的等效信号相互正交,进而降低多个天线同时发送的不同逻辑端口的信号在被用户设备接收时产生的相互干扰。In this embodiment, the weight of the other twelve antennas corresponding to the signal of the first logical port is determined according to the weighting weight of the antenna in the first group of antennas corresponding to the first logical signal, and the signal of the second logical port is determined. Weights of the corresponding sixteen antennas; for the signals of the first logical port, adding a negative sign to the weighting weights of the mth group of antennas; for the signals of the second logical port, weighting the nth group of antennas The weight is added with a negative sign; wherein the absolute value of the difference between m and n is 2; the equivalent signal of the first logical port and the equivalent signal of the second logical port may be orthogonal to each other, thereby reducing simultaneous transmission of multiple antennas. Mutual interference generated by signals of different logical ports when received by the user equipment.
实际应用中,所述w0的平方与所述w3的平方之和等于1;所述w1的平方与所述w2的平方之和可以等于1。In practical applications, the sum of the square of the w 0 and the square of the w 3 is equal to 1; the sum of the square of the w 1 and the square of the w 2 may be equal to 1.
实际应用中,所述第一逻辑端口的信号与所述第二逻辑端口的信号可以为小区专有导频信号。 In a practical application, the signal of the first logical port and the signal of the second logical port may be a cell-specific pilot signal.
本申请还提供了另一种用于多天线的信号发送装置。所述多天线包括8列双极化天线,所述8列双极化天线共包括16个天线,所述双极化天线中的一个天线的极化方向为第一极化方向,另一个天线的极化方向为第二极化方向,所述第一极化方向与所述第二极化方向正交,其特征在于,所述8列双极化天线按照排列顺序依次为第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线、第五列双极化天线、第六列双极化天线、第七列双极化天线和第八列双极化天线;所述16个天线分为第一组天线、第二组天线、第三组天线和第四组天线,所述第一组天线包括所述第一列双极化天线和第二列双极化天线,所述第二组天线包括所述第三列双极化天线和第四列双极化天线,所述第三组天线包括所述第五列双极化天线和第六列双极化天线,所述第四组天线包括所述第七列双极化天线和第八列双极化天线;第一逻辑端口使用所述第一组天线和第三组天线发送信号,第二逻辑端口使用所述第二组天线和第四组天线发送信号。The present application also provides another signal transmitting apparatus for multiple antennas. The multiple antennas comprise eight columns of dual-polarized antennas, and the eight columns of dual-polarized antennas comprise a total of 16 antennas. One of the dual-polarized antennas has a polarization direction of a first polarization direction and another antenna. The polarization direction is a second polarization direction, and the first polarization direction is orthogonal to the second polarization direction, wherein the 8-column dual-polarized antennas are sequentially arranged in a first column according to an arrangement order. Polarized antenna, second column of dual polarized antenna, third column of dual polarized antenna, fourth column of dual polarized antenna, fifth column of dual polarized antenna, sixth column of dual polarized antenna, seventh column of dual polarization An antenna and an eighth column of dual-polarized antennas; the 16 antennas are divided into a first group of antennas, a second group of antennas, a third group of antennas, and a fourth group of antennas, the first group of antennas including the first column of double a polarized antenna and a second column of dual polarized antennas, the second set of antennas comprising the third column of dual polarized antennas and a fourth column of dual polarized antennas, the third set of antennas comprising the fifth column of doubles a polarized antenna and a sixth column of dual polarized antennas, the fourth set of antennas comprising the seventh column of dual polarized antennas and an eighth column of bipolar The first logical port transmits signals using the first set of antennas and the third set of antennas, and the second logical port transmits signals using the second set of antennas and the fourth set of antennas.
图14为本申请的另一种用于多天线的信号发送装置实施例的结构图。如图14所示,所述装置可以包括:FIG. 14 is a structural diagram of another embodiment of a signal transmitting apparatus for multiple antennas of the present application. As shown in FIG. 14, the apparatus may include:
权值获取单元1401,用于获取第一逻辑端口的信号对应的加权权值w1The weight obtaining unit 1401 is configured to obtain a weighting weight w 1 corresponding to the signal of the first logical port;
权值确定单元1402,用于确定第一组天线和第三组天线中每个天线的加权权值为w1The weight determining unit 1402 is configured to determine a weighting weight w 1 of each of the first group antenna and the third group antenna;
所述权值获取单元1401,还用于获取第二逻辑端口的信号对应的加权权值w2The weight obtaining unit 1401 is further configured to acquire a weighting weight w 2 corresponding to a signal of the second logical port;
所述权值确定单元1402,还用于确定第二组天线和第四组天线中每个 天线的加权权值为w2The weight determining unit 1402 is further configured to determine a weighting weight w 2 of each of the second group antenna and the fourth group antenna;
相位符号改变单元1403,用于改变所述第一组天线中部分天线的加权权值的相位符号,以使所述第一组天线合成的信号的方向为所述第一极化方向;a phase symbol changing unit 1403, configured to change a phase symbol of a weighting weight of a part of antennas in the first group of antennas, so that a direction of a signal synthesized by the first group of antennas is the first polarization direction;
改变所述第三组天线中部分天线的加权权值的相位符号,以使所述第三组天线合成的信号的方向为所述第二极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the third group of antennas, so that a direction of the signal synthesized by the third group of antennas is the second polarization direction;
改变所述第二组天线中部分天线的加权权值的相位符号,以使所述第二组天线合成的信号的方向为所述第一极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the second group of antennas, so that a direction of the signal synthesized by the second group of antennas is the first polarization direction;
改变所述第四组天线中部分天线的加权权值的相位符号,以使所述第四组天线合成的信号的方向为第三极化方向,所述第三极化方向与所述第一极化方向相反;And changing a phase symbol of the weighting weights of the partial antennas of the fourth group of antennas, so that a direction of the signal synthesized by the fourth group of antennas is a third polarization direction, the third polarization direction and the first The direction of polarization is opposite;
信号发送单元1404,用于采用所述16个天线中每个天线对应的权值发送所述第一逻辑端口的信号与所述第二逻辑端口的信号。The signal sending unit 1404 is configured to send a signal of the first logical port and a signal of the second logical port by using a weight corresponding to each of the 16 antennas.
本实施例中,通过获取第一逻辑端口的信号对应的加权权值w1,将第一逻辑端口的信号对应的8个天线的权值均设置为w1,获取第二逻辑端口的信号对应的加权权值w2,将第二逻辑端口的信号对应的8个天线的权值均设置为w2;改变所述第一组天线中部分天线的加权权值的相位符号,以使所述第一组天线合成的信号的方向为所述第一极化方向;改变所述第三组天线中部分天线的加权权值的相位符号,以使所述第三组天线合成的信号的方向为所述第二极化方向;改变所述第二组天线中部分天线的加权权值的相位符号,以使所述第二组天线合成的信号的方向为所述第一极化方向;改变所述第四组天线中部分天线的加权权值的相位符号,以使所述第 四组天线合成的信号的方向为第三极化方向,所述第三极化方向与所述第一极化方向相反;可以使得第一逻辑端口的等效信号与第二逻辑端口的等效信号相互正交,进而降低多个天线同时发送的不同逻辑端口的信号在被用户设备接收时产生的相互干扰。In this embodiment, by obtaining the weighting weight w 1 corresponding to the signal of the first logical port, the weights of the eight antennas corresponding to the signal of the first logical port are all set to w 1 , and the signal corresponding to the second logical port is obtained. Weighting weight w 2 , setting the weights of the 8 antennas corresponding to the signals of the second logical port to w 2 ; changing the phase symbols of the weighting weights of the partial antennas in the first group of antennas, so that the The direction of the signal synthesized by the first group of antennas is the first polarization direction; the phase symbols of the weighting weights of the partial antennas of the third group of antennas are changed, so that the direction of the signals synthesized by the third group of antennas is a second polarization direction; changing a phase symbol of a weighting weight of a portion of the antennas of the second group of antennas such that a direction of a signal synthesized by the second group of antennas is the first polarization direction; a phase symbol of a weighted weight of a portion of the antennas of the fourth group of antennas, such that a direction of the signal synthesized by the fourth group of antennas is a third polarization direction, the third polarization direction and the first polarization The opposite direction; can make the first logic The equivalent signal of the port and the equivalent signal of the second logical port are orthogonal to each other, thereby reducing mutual interference generated by signals of different logical ports simultaneously transmitted by multiple antennas when received by the user equipment.
实际应用中,所述w1与w2的值均为1。In practical applications, the values of w 1 and w 2 are both 1.
实际应用中,所述第一逻辑端口的信号与所述第二逻辑端口的信号为小区专有导频信号。In a practical application, the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
另外,本申请实施例还提供了一种计算节点,计算节点可能是包含计算能力的主机服务器,或者是个人计算机PC,或者是可携带的便携式计算机或终端等等,本申请具体实施例并不对计算节点的具体实现做限定。In addition, the embodiment of the present application further provides a computing node, which may be a host server including computing power, or a personal computer PC, or a portable computer or terminal, etc., and the specific embodiment of the present application is not correct. The specific implementation of the compute node is limited.
图15为本申请的计算节点的结构图。如图15所示,计算节点700包括:Figure 15 is a structural diagram of a computing node of the present application. As shown in FIG. 15, computing node 700 includes:
处理器(processor)710,通信接口(Communications Interface)720,存储器(memory)730,总线740。A processor 710, a communications interface 720, a memory 730, and a bus 740.
处理器710,通信接口720,存储器730通过总线740完成相互间的通信。The processor 710, the communication interface 720, and the memory 730 complete communication with each other via the bus 740.
处理器710,用于执行程序732。The processor 710 is configured to execute the program 732.
具体地,程序732可以包括程序代码,所述程序代码包括计算机操作指令。In particular, program 732 can include program code, the program code including computer operating instructions.
处理器710可能是一个中央处理器CPU,或者是特定集成电路ASIC(Application Specific Integrated Circuit),或者是被配置成实施本申请实 施例的一个或多个集成电路。The processor 710 may be a central processing unit CPU, or an application specific integrated circuit (ASIC), or configured to implement the present application. One or more integrated circuits of the embodiment.
存储器730,用于存放程序732。存储器730可能包含高速RAM存储器,也可能还包括非易失性存储器(non-volatile memory),例如至少一个磁盘存储器。程序732具体可以包括图13-图14所示实施例中的相应模块或单元,在此不赘述。The memory 730 is configured to store the program 732. The memory 730 may include a high speed RAM memory and may also include a non-volatile memory such as at least one disk memory. The program 732 may specifically include the corresponding modules or units in the embodiment shown in FIG. 13 to FIG. 14 , and details are not described herein.
最后,还需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。Finally, it should also be noted that in this context, relational terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these entities. There is any such actual relationship or order between operations. Furthermore, the term "comprises" or "comprises" or "comprises" or any other variations thereof is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device that comprises a plurality of elements includes not only those elements but also Other elements, or elements that are inherent to such a process, method, item, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到本申请可借助软件加必需的硬件平台的方式来实现,当然也可以全部通过硬件来实施,但很多情况下前者是更佳的实施方式。基于这样的理解,本申请的技术方案对背景技术做出贡献的全部或者部分可以以软件产品的形式体现出来,该计算机软件产品可以存储在存储介质中,如ROM/RAM、磁碟、光盘等,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例或者实施例的某些部分所述的方法。 Through the description of the above embodiments, those skilled in the art can clearly understand that the present application can be implemented by means of software plus a necessary hardware platform, and of course, all can be implemented by hardware, but in many cases, the former is better. Implementation. Based on such understanding, all or part of the technical solution of the present application may contribute to the background art, and the computer software product may be stored in a storage medium such as a ROM/RAM, a magnetic disk, an optical disk, or the like. A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present application or portions of the embodiments.
本说明书中各个实施例采用递进的方式描述,每个实施例重点说明的都是与其他实施例的不同之处,各个实施例之间相同相似部分互相参见即可。对于实施例公开的装置而言,由于其与实施例公开的方法相对应,所以描述的比较简单,相关之处参见方法部分说明即可。The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same similar parts between the various embodiments may be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.
本文中应用了具体个例对本申请的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本申请的方法及其核心思想;同时,对于本领域的一般技术人员,依据本申请的思想,在具体实施方式及应用范围上均会有改变之处。综上所述,本说明书内容不应理解为对本申请的限制。 The principles and implementations of the present application are described herein with reference to specific examples. The description of the above embodiments is only for the purpose of helping to understand the method of the present application and the core idea thereof. Also, for those skilled in the art, according to the present application, The ideas will change in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the application.

Claims (12)

  1. 一种用于多天线的信号发送方法,所述多天线包括8列双极化天线,所述8列双极化天线共包括16个天线,其特征在于,第一逻辑端口和第二逻辑端口同时使用所述8列双极化天线发送信号,所述16个天线分为第一组天线、第二组天线、第三组天线和第四组天线,所述第一组天线与所述第二组天线的极化方向为第一极化方向,所述第三组天线与所述第四组天线的极化方向为第二极化方向,所述第一极化方向与所述第二极化方向正交;所述8列双极化天线依次为第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线、第五列双极化天线、第六列双极化天线、第七列双极化天线、第八列双极化天线;所述第一组天线中的天线和所述第三组天线中的天线分别依次归属于所述第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线;所述第二组天线中的天线和所述第四组天线中的天线分别依次归属于所述第五列双极化天线、第六列双极化天线、第七列双极化天线、第八列双极化天线;A signal transmission method for multiple antennas, the multiple antennas comprising eight columns of dual-polarized antennas, the eight columns of dual-polarized antennas comprising a total of 16 antennas, characterized by a first logical port and a second logical port Simultaneously transmitting signals by using the 8-column dual-polarized antenna, the 16 antennas being divided into a first group antenna, a second group antenna, a third group antenna and a fourth group antenna, the first group antenna and the first antenna The polarization direction of the two groups of antennas is a first polarization direction, and the polarization directions of the third group of antennas and the fourth group of antennas are a second polarization direction, the first polarization direction and the second polarization direction The polarization directions are orthogonal; the 8-column dual-polarized antennas are a first column of dual-polarized antennas, a second-row dual-polarized antenna, a third-row dual-polarized antenna, a fourth-row dual-polarized antenna, and a fifth a column dual-polarized antenna, a sixth-column dual-polarized antenna, a seventh-column dual-polarized antenna, and an eighth-column dual-polarized antenna; an antenna in the first group of antennas and an antenna in the third group of antennas respectively And belonging to the first column of dual-polarized antennas, the second column of dual-polarized antennas, and the third column of dual-polarized antennas, a column of dual-polarized antennas; an antenna of the second group of antennas and an antenna of the fourth group of antennas are respectively attributed to the fifth column of dual-polarized antennas, the sixth column of dual-polarized antennas, and the seventh column Dual polarized antenna, eighth column dual polarized antenna;
    所述方法包括:The method includes:
    获取第一逻辑端口的信号在所述第一组天线中依次对应的第一天线的加权权值w0,第二天线的加权权值w1,第三天线的加权权值w2,第四天线的加权权值w3Obtaining a first logic signal at the port of the first set of antenna weights sequentially a first antenna corresponding weighting value w 0, the weighted value of the second antenna weights w 1, a third antenna weighting weights w 2, fourth The weighted weight of the antenna w 3 ;
    确定所述第一逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w3,第六天线的加权权值为w2,第七天线的加权权值为w1,第八天线的加权权值为w0Determining, by the signal of the first logical port, a weighting weight of the fifth antenna sequentially corresponding to the second group of antennas is w 3 , a weighting weight of the sixth antenna is w 2 , and a weighting weight of the seventh antenna For w 1 , the weighted weight of the eighth antenna is w 0 ;
    确定所述第一逻辑端口的信号在所述第三组天线中依次对应的第九天线的加权权值为w0,第十天线的加权权值为w1,第十一天线的加权权值为w2,第十二天线的加权权值为w3Determining, by the signal of the first logical port, a weighting weight of the ninth antenna sequentially corresponding to the third group of antennas is w 0 , a weighting weight of the tenth antenna is w 1 , and a weighting weight of the eleventh antenna For w 2 , the weighted weight of the twelfth antenna is w 3 ;
    确定所述第一逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w3,第十四天线的加权权值为w2,第十五天线的加权权值为w1,第十六天线的加权权值为w0Determining, by the signal of the first logical port, the weighted weight of the thirteenth antenna corresponding to the fourth group of antennas is w 3 , the weighting weight of the fourteenth antenna is w 2 , and the weight of the fifteenth antenna The weight is w 1 and the weighted weight of the sixteenth antenna is w 0 ;
    确定第二逻辑端口的信号在所述第一组天线中依次对应的第一天线的加权权值为w3,第二天线的加权权值为w2,第三天线的加权权值为w1, 第四天线的加权权值为w0Determining, by the signal of the second logical port, the weighting weight of the first antenna corresponding to the first group of antennas is w 3 , the weighting weight of the second antenna is w 2 , and the weighting weight of the third antenna is w 1 The weighted weight of the fourth antenna is w 0 ;
    确定所述第二逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w0,第六天线的加权权值为w1,第七天线的加权权值为w2,第八天线的加权权值为w3Determining, by the signal of the second logical port, a weighting weight of the fifth antenna sequentially corresponding to the second group of antennas is w 0 , a weighting weight of the sixth antenna is w 1 , and a weighting weight of the seventh antenna For w 2 , the weighted weight of the eighth antenna is w 3 ;
    确定所述第二逻辑端口的信号在所述第一组天线中依次对应的第九天线的加权权值为w3,第十天线的加权权值为w2,第十一天线的加权权值为w1,第十二天线的加权权值为w0Determining, by the signal of the second logical port, a weighting weight of the ninth antenna corresponding to the first group of antennas is w 3 , a weighting weight of the tenth antenna is w 2 , and a weighting weight of the eleventh antenna For w 1 , the weighted weight of the twelfth antenna is w 0 ;
    确定所述第二逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w0,第十四天线的加权权值为w1,第十五天线的加权权值为w2,第十六天线的加权权值为w3Determining, by the signal of the second logical port, a weighting weight of the thirteenth antenna sequentially corresponding to the fourth group of antennas is w 0 , a weighting weight of the fourteenth antenna is w 1 , and weighting of the fifteenth antenna The weight is w 2 , and the weighted weight of the sixteenth antenna is w 3 ;
    对于所述第一逻辑端口的信号,为第m组天线的加权权值添加负号;Adding a negative sign to the weighting weight of the mth group antenna for the signal of the first logical port;
    对于所述第二逻辑端口的信号,为第n组天线的加权权值添加负号;其中,m与n的差的绝对值为2;For the signal of the second logical port, adding a negative sign to the weighting weight of the nth group antenna; wherein, the absolute value of the difference between m and n is 2;
    采用所述16个天线中每个天线对应的权值发送所述第一逻辑端口的信号与所述第二逻辑端口的信号。Transmitting a signal of the first logical port and a signal of the second logical port by using a weight corresponding to each of the 16 antennas.
  2. 根据权利要求1所述的方法,其特征在于,所述w0的平方与所述w3的平方之和等于1;所述w1的平方与所述w2的平方之和等于1。The method of claim 1 wherein the sum of the square of the w 0 and the square of the w 3 is equal to 1; the sum of the square of the w 1 and the square of the w 2 is equal to one.
  3. 根据权利要求1所述的方法,其特征在于,所述第一逻辑端口的信号与所述第二逻辑端口的信号为小区专有导频信号。The method according to claim 1, wherein the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
  4. 一种用于多天线的信号发送方法,所述多天线包括8列双极化天线,所述8列双极化天线共包括16个天线,所述双极化天线中的一个天线的极化方向为第一极化方向,另一个天线的极化方向为第二极化方向,所述第一极化方向与所述第二极化方向正交,其特征在于,所述8列双极化天线按照排列顺序依次为第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线、第五列双极化天线、第六列双极化天线、第七列双极化天线和第八列双极化天线;所述16个天线分为第一组天线、第二组天线、第三组天线和第四组天线,所述第一组天线包括所述第一列双极化天线和第二列双极化天线,所述第二组天线包括所述第三列双极化天线和第四列双极化天线,所述第三组天线包括所述第五列双极化天线和第六列双极化天线,所述第四组天线包括所述第七列双极化天线和第八列双 极化天线;第一逻辑端口使用所述第一组天线和第三组天线发送信号,第二逻辑端口使用所述第二组天线和第四组天线发送信号;A signal transmission method for multiple antennas, comprising: 8 columns of dual-polarized antennas, the 8-column dual-polarized antennas comprising a total of 16 antennas, and polarization of one of the dual-polarized antennas The direction is a first polarization direction, and the polarization direction of the other antenna is a second polarization direction, the first polarization direction being orthogonal to the second polarization direction, wherein the 8-column bipolar The antennas are sequentially arranged as a first column of dual-polarized antennas, a second column of dual-polarized antennas, a third-row dual-polarized antenna, a fourth-row dual-polarized antenna, a fifth-row dual-polarized antenna, and a sixth column. a dual-polarized antenna, a seventh-column dual-polarized antenna, and an eighth-row dual-polarized antenna; the 16 antennas being divided into a first group of antennas, a second group of antennas, a third group of antennas, and a fourth group of antennas, The first set of antennas includes the first column of dual polarized antennas and the second set of dual polarized antennas, and the second set of antennas includes the third column of dual polarized antennas and a fourth column of dual polarized antennas, The third group of antennas includes the fifth column of dual-polarized antennas and the sixth column of dual-polarized antennas, and the fourth group of antennas includes The seventh column of dual-polarized antennas and the eighth column of double a polarized antenna; a first logical port transmitting a signal using the first set of antennas and a third set of antennas, and a second logical port transmitting a signal using the second set of antennas and a fourth set of antennas;
    所述方法包括:The method includes:
    获取第一逻辑端口的信号对应的加权权值w1Obtaining a weighting weight w 1 corresponding to the signal of the first logical port;
    确定第一组天线和第三组天线中每个天线的加权权值为w1Determining a weighting weight w 1 of each of the first group antenna and the third group antenna;
    获取第二逻辑端口的信号对应的加权权值w2Obtaining a weighting weight w 2 corresponding to the signal of the second logical port;
    确定第二组天线和第四组天线中每个天线的加权权值为w2Determining a weighted weight of each of the second set of antennas and the fourth set of antennas is w 2 ;
    改变所述第一组天线中部分天线的加权权值的相位符号,以使所述第一组天线合成的信号的方向为所述第一极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the first group of antennas, so that a direction of the signal synthesized by the first group of antennas is the first polarization direction;
    改变所述第三组天线中部分天线的加权权值的相位符号,以使所述第三组天线合成的信号的方向为所述第二极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the third group of antennas, so that a direction of the signal synthesized by the third group of antennas is the second polarization direction;
    改变所述第二组天线中部分天线的加权权值的相位符号,以使所述第二组天线合成的信号的方向为所述第一极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the second group of antennas, so that a direction of the signal synthesized by the second group of antennas is the first polarization direction;
    改变所述第四组天线中部分天线的加权权值的相位符号,以使所述第四组天线合成的信号的方向为第三极化方向,所述第三极化方向与所述第一极化方向相反;And changing a phase symbol of the weighting weights of the partial antennas of the fourth group of antennas, so that a direction of the signal synthesized by the fourth group of antennas is a third polarization direction, the third polarization direction and the first The direction of polarization is opposite;
    采用所述16个天线中每个天线对应的权值发送所述第一逻辑端口的信号与所述第二逻辑端口的信号。Transmitting a signal of the first logical port and a signal of the second logical port by using a weight corresponding to each of the 16 antennas.
  5. 根据权利要求4所述的方法,其特征在于,所述w1与w2的值均为1。The method according to claim 4, wherein the values of w 1 and w 2 are both 1.
  6. 根据权利要求4所述的方法,其特征在于,所述第一逻辑端口的信号与所述第二逻辑端口的信号为小区专有导频信号。The method according to claim 4, wherein the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
  7. 一种用于多天线的信号发送装置,所述多天线包括8列双极化天线,所述8列双极化天线共包括16个天线,其特征在于,第一逻辑端口和第二逻辑端口同时使用所述8列双极化天线发送信号,所述16个天线分为第一组天线、第二组天线、第三组天线和第四组天线,所述第一组天线与所述第二组天线的极化方向为第一极化方向,所述第三组天线与所述第四组天线的极化方向为第二极化方向,所述第一极化方向与所述第二极化方向正交;所述8列双极化天线依次为第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线、第五列双极化天线、第六列双极 化天线、第七列双极化天线、第八列双极化天线;所述第一组天线中的天线和所述第三组天线中的天线分别依次归属于所述第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线;所述第二组天线中的天线和所述第四组天线中的天线分别依次归属于所述第五列双极化天线、第六列双极化天线、第七列双极化天线、第八列双极化天线;A signal transmitting apparatus for multiple antennas, the multi-antenna comprising 8 columns of dual-polarized antennas, the 8-column dual-polarized antenna comprising a total of 16 antennas, characterized in that: a first logical port and a second logical port Simultaneously transmitting signals by using the 8-column dual-polarized antenna, the 16 antennas being divided into a first group antenna, a second group antenna, a third group antenna and a fourth group antenna, the first group antenna and the first antenna The polarization direction of the two groups of antennas is a first polarization direction, and the polarization directions of the third group of antennas and the fourth group of antennas are a second polarization direction, the first polarization direction and the second polarization direction The polarization directions are orthogonal; the 8-column dual-polarized antennas are a first column of dual-polarized antennas, a second-row dual-polarized antenna, a third-row dual-polarized antenna, a fourth-row dual-polarized antenna, and a fifth Column dual-polarized antenna, sixth column bipolar An antenna, a seventh column of dual-polarized antennas, and an eighth column of dual-polarized antennas; the antennas of the first group of antennas and the antennas of the third group of antennas are respectively attributed to the first column of dual polarizations An antenna, a second column of dual-polarized antennas, a third column of dual-polarized antennas, and a fourth column of dual-polarized antennas; the antennas of the second group of antennas and the antennas of the fourth group of antennas are respectively attributed to The fifth column of dual-polarized antennas, the sixth column of dual-polarized antennas, the seventh-row dual-polarized antennas, and the eighth-stage dual-polarized antennas;
    所述装置包括:The device includes:
    权值获取单元,用于获取第一逻辑端口的信号在所述第一组天线中依次对应的第一天线的加权权值w0,第二天线的加权权值w1,第三天线的加权权值w2,第四天线的加权权值w3Signal weighted value acquiring unit, configured to obtain a first logical port of the first set of antenna weights sequentially a first antenna corresponding weighting value w 0, the weighting value weighting the second antenna weights w 1, the third antenna Weight w 2 , weighted weight w 3 of the fourth antenna;
    权值确定单元,用于确定所述第一逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w3,第六天线的加权权值为w2,第七天线的加权权值为w1,第八天线的加权权值为w0Weight determination means for determining a port of the first logic signal at the second set of antennas sequentially fifth antenna weights corresponding weighting value w 3, right sixth antenna weighting value w 2, of The weighting weight of the seven antennas is w 1 , and the weighting weight of the eighth antenna is w 0 ;
    确定所述第一逻辑端口的信号在所述第三组天线中依次对应的第九天线的加权权值为w0,第十天线的加权权值为w1,第十一天线的加权权值为w2,第十二天线的加权权值为w3Determining, by the signal of the first logical port, a weighting weight of the ninth antenna sequentially corresponding to the third group of antennas is w 0 , a weighting weight of the tenth antenna is w 1 , and a weighting weight of the eleventh antenna For w 2 , the weighted weight of the twelfth antenna is w 3 ;
    确定所述第一逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w3,第十四天线的加权权值为w2,第十五天线的加权权值为w1,第十六天线的加权权值为w0Determining, by the signal of the first logical port, the weighted weight of the thirteenth antenna corresponding to the fourth group of antennas is w 3 , the weighting weight of the fourteenth antenna is w 2 , and the weight of the fifteenth antenna The weight is w 1 and the weighted weight of the sixteenth antenna is w 0 ;
    确定第二逻辑端口的信号在所述第一组天线中依次对应的第一天线的加权权值为w3,第二天线的加权权值为w2,第三天线的加权权值为w1,第四天线的加权权值为w0Determining, by the signal of the second logical port, the weighting weight of the first antenna corresponding to the first group of antennas is w 3 , the weighting weight of the second antenna is w 2 , and the weighting weight of the third antenna is w 1 The weighting weight of the fourth antenna is w 0 ;
    确定所述第二逻辑端口的信号在所述第二组天线中依次对应的第五天线的加权权值为w0,第六天线的加权权值为w1,第七天线的加权权值为w2,第八天线的加权权值为w3Determining, by the signal of the second logical port, a weighting weight of the fifth antenna sequentially corresponding to the second group of antennas is w 0 , a weighting weight of the sixth antenna is w 1 , and a weighting weight of the seventh antenna For w 2 , the weighted weight of the eighth antenna is w 3 ;
    确定所述第二逻辑端口的信号在所述第一组天线中依次对应的第九天线的加权权值为w3,第十天线的加权权值为w2,第十一天线的加权权值为w1,第十二天线的加权权值为w0Determining, by the signal of the second logical port, a weighting weight of the ninth antenna corresponding to the first group of antennas is w 3 , a weighting weight of the tenth antenna is w 2 , and a weighting weight of the eleventh antenna For w 1 , the weighted weight of the twelfth antenna is w 0 ;
    确定所述第二逻辑端口的信号在所述第四组天线中依次对应的第十三天线的加权权值为w0,第十四天线的加权权值为w1,第十五天线的加权权值为w2,第十六天线的加权权值为w3Determining, by the signal of the second logical port, a weighting weight of the thirteenth antenna sequentially corresponding to the fourth group of antennas is w 0 , a weighting weight of the fourteenth antenna is w 1 , and weighting of the fifteenth antenna The weight is w 2 , and the weighted weight of the sixteenth antenna is w 3 ;
    负号添加单元,用于对于所述第一逻辑端口的信号,为第m组天线的加权权值添加负号;a minus sign adding unit, configured to add a negative sign to the weighting weight of the mth group antenna for the signal of the first logical port;
    对于所述第二逻辑端口的信号,为第n组天线的加权权值添加负号;其中,m与n的差的绝对值为2;For the signal of the second logical port, adding a negative sign to the weighting weight of the nth group antenna; wherein, the absolute value of the difference between m and n is 2;
    信号发送单元,用于采用所述16个天线中每个天线对应的权值发送所述第一逻辑端口的信号与所述第二逻辑端口的信号。And a signal sending unit, configured to send, by using a weight corresponding to each of the 16 antennas, a signal of the first logical port and a signal of the second logical port.
  8. 根据权利要求7所述的装置,其特征在于,所述w0的平方与所述w3的平方之和等于1;所述w1的平方与所述w2的平方之和等于1。The apparatus according to claim 7, wherein a sum of a square of said w 0 and a square of said w 3 is equal to 1; a sum of a square of said w 1 and a square of said w 2 is equal to 1.
  9. 根据权利要求7所述的装置,其特征在于,所述第一逻辑端口的信号与所述第二逻辑端口的信号为小区专有导频信号。The apparatus according to claim 7, wherein the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
  10. 一种用于多天线的信号发送装置,所述多天线包括8列双极化天线,所述8列双极化天线共包括16个天线,所述双极化天线中的一个天线的极化方向为第一极化方向,另一个天线的极化方向为第二极化方向,所述第一极化方向与所述第二极化方向正交,其特征在于,所述8列双极化天线按照排列顺序依次为第一列双极化天线、第二列双极化天线、第三列双极化天线、第四列双极化天线、第五列双极化天线、第六列双极化天线、第七列双极化天线和第八列双极化天线;所述16个天线分为第一组天线、第二组天线、第三组天线和第四组天线,所述第一组天线包括所述第一列双极化天线和第二列双极化天线,所述第二组天线包括所述第三列双极化天线和第四列双极化天线,所述第三组天线包括所述第五列双极化天线和第六列双极化天线,所述第四组天线包括所述第七列双极化天线和第八列双极化天线;第一逻辑端口使用所述第一组天线和第三组天线发送信号,第二逻辑端口使用所述第二组天线和第四组天线发送信号;A signal transmitting apparatus for multiple antennas, the multi-antenna comprising 8 columns of dual-polarized antennas, the 8-column dual-polarized antennas comprising a total of 16 antennas, and polarization of one of the dual-polarized antennas The direction is a first polarization direction, and the polarization direction of the other antenna is a second polarization direction, the first polarization direction being orthogonal to the second polarization direction, wherein the 8-column bipolar The antennas are sequentially arranged as a first column of dual-polarized antennas, a second column of dual-polarized antennas, a third-row dual-polarized antenna, a fourth-row dual-polarized antenna, a fifth-row dual-polarized antenna, and a sixth column. a dual-polarized antenna, a seventh-column dual-polarized antenna, and an eighth-row dual-polarized antenna; the 16 antennas being divided into a first group of antennas, a second group of antennas, a third group of antennas, and a fourth group of antennas, The first set of antennas includes the first column of dual polarized antennas and the second set of dual polarized antennas, and the second set of antennas includes the third column of dual polarized antennas and a fourth column of dual polarized antennas, The third group of antennas includes the fifth column of dual-polarized antennas and the sixth column of dual-polarized antennas, and the fourth group of antennas includes a seventh column of dual-polarized antennas and an eighth column of dual-polarized antennas; a first logical port transmitting signals using the first set of antennas and a third set of antennas, and a second logical port using the second set of antennas and fourth Group antenna sends a signal;
    所述装置包括:The device includes:
    权值获取单元,用于获取第一逻辑端口的信号对应的加权权值w1a weight obtaining unit, configured to acquire a weighting weight w 1 corresponding to a signal of the first logical port;
    权值确定单元,用于确定第一组天线和第三组天线中每个天线的加权权值为w1a weight determining unit, configured to determine a weighting weight w 1 of each of the first group antenna and the third group antenna;
    所述权值获取单元,还用于获取第二逻辑端口的信号对应的加权权值w2The weight obtaining unit is further configured to acquire a weighting weight w 2 corresponding to the signal of the second logical port;
    所述权值确定单元,还用于确定第二组天线和第四组天线中每个天线 的加权权值为w2The weight determining unit is further configured to determine a weighting weight w 2 of each of the second group antenna and the fourth group antenna;
    相位符号改变单元,用于改变所述第一组天线中部分天线的加权权值的相位符号,以使所述第一组天线合成的信号的方向为所述第一极化方向;a phase symbol changing unit, configured to change a phase symbol of a weighting weight of a part of antennas in the first group of antennas, so that a direction of a signal synthesized by the first group of antennas is the first polarization direction;
    改变所述第三组天线中部分天线的加权权值的相位符号,以使所述第三组天线合成的信号的方向为所述第二极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the third group of antennas, so that a direction of the signal synthesized by the third group of antennas is the second polarization direction;
    改变所述第二组天线中部分天线的加权权值的相位符号,以使所述第二组天线合成的信号的方向为所述第一极化方向;And changing a phase symbol of the weighting weights of the partial antennas of the second group of antennas, so that a direction of the signal synthesized by the second group of antennas is the first polarization direction;
    改变所述第四组天线中部分天线的加权权值的相位符号,以使所述第四组天线合成的信号的方向为第三极化方向,所述第三极化方向与所述第一极化方向相反;And changing a phase symbol of the weighting weights of the partial antennas of the fourth group of antennas, so that a direction of the signal synthesized by the fourth group of antennas is a third polarization direction, the third polarization direction and the first The direction of polarization is opposite;
    信号发送单元,用于采用所述16个天线中每个天线对应的权值发送所述第一逻辑端口的信号与所述第二逻辑端口的信号。And a signal sending unit, configured to send, by using a weight corresponding to each of the 16 antennas, a signal of the first logical port and a signal of the second logical port.
  11. 根据权利要求10所述的装置,其特征在于,所述w1与w2的值均为1。The apparatus according to claim 10, wherein said values of w 1 and w 2 are both 1.
  12. 根据权利要求10所述的装置,其特征在于,所述第一逻辑端口的信号与所述第二逻辑端口的信号为小区专有导频信号。 The apparatus according to claim 10, wherein the signal of the first logical port and the signal of the second logical port are cell-specific pilot signals.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103051366A (en) * 2012-12-31 2013-04-17 华为技术有限公司 Signal emission method and device
CN103391128A (en) * 2012-05-07 2013-11-13 华为技术有限公司 Virtual antenna mapping method and device
CN103858359A (en) * 2013-12-27 2014-06-11 华为技术有限公司 Antenna array, signal mapping method and base station
WO2015110157A1 (en) * 2014-01-23 2015-07-30 Telefonaktiebolaget L M Ericsson (Publ) A wireless communication node with cross-polarized antennas and at least one transformation matrix arrangement
WO2015117532A1 (en) * 2014-08-21 2015-08-13 中兴通讯股份有限公司 Doa-bf weight estimation method and device for dual-polarization antenna system
CN105227223A (en) * 2015-08-31 2016-01-06 上海华为技术有限公司 A kind of signaling method for multiple antennas and device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102377467B (en) * 2010-08-23 2015-02-04 中国移动通信集团公司 Eight-antenna downlink control channel sending method and device
CN103378890B (en) * 2012-04-24 2016-12-07 中兴通讯股份有限公司 The port mapping method of a kind of array antenna and this array antenna port

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103391128A (en) * 2012-05-07 2013-11-13 华为技术有限公司 Virtual antenna mapping method and device
CN103051366A (en) * 2012-12-31 2013-04-17 华为技术有限公司 Signal emission method and device
CN103858359A (en) * 2013-12-27 2014-06-11 华为技术有限公司 Antenna array, signal mapping method and base station
WO2015110157A1 (en) * 2014-01-23 2015-07-30 Telefonaktiebolaget L M Ericsson (Publ) A wireless communication node with cross-polarized antennas and at least one transformation matrix arrangement
WO2015117532A1 (en) * 2014-08-21 2015-08-13 中兴通讯股份有限公司 Doa-bf weight estimation method and device for dual-polarization antenna system
CN105227223A (en) * 2015-08-31 2016-01-06 上海华为技术有限公司 A kind of signaling method for multiple antennas and device

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