CN104836606A - Downlink data transmission method and device - Google Patents

Downlink data transmission method and device Download PDF

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Publication number
CN104836606A
CN104836606A CN201510158588.8A CN201510158588A CN104836606A CN 104836606 A CN104836606 A CN 104836606A CN 201510158588 A CN201510158588 A CN 201510158588A CN 104836606 A CN104836606 A CN 104836606A
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China
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antenna array
passage
received power
measurement signal
channel measurement
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CN104836606B (en
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蒋一鸣
林卫
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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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
    • H04B7/0615Diversity 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a downlink data transmission method and device, and therefore the corresponding downlink transmission mode can be determined in dependence on the ownership antenna array of user equipment, uppermost downlink sending gain can be obtained, and the performance of the system can be improved. The downlink data transmission method comprises that the ownership antenna array of the user equipment (UE) is determined, when the ownership antenna array of the UE comprises a non-intelligent antenna array, the ownership antenna array of the UE carries out data transmission with the UE by means of the downlink transmission mode besides transmission modes being related to beam forming.

Description

A kind of downlink data transmission method and device
Technical field
The present invention relates to communication technical field, particularly relate to a kind of downlink data transmission method and device.
Background technology
Long Term Evolution (Long Term Evolution; LTE) in system, outdoor grand covering mainly uses 8 dual-four channel intelligent antenna array Remote Radio Unit (Remote Radio Unit; RRU); but because macro base station antenna extension height is higher; normal condition is 30-40 rice; therefore, black under frequent meeting generating tower situation.In addition, often there will be weak overlay area in city because high building stands in great numbers, even cover cavity.If now covered with macro base station again, on the one hand, macro base station siting of station difficulty, cannot build a station in a lot of scene base station; On the other hand, use macro base station covering that spacing between macro base station can be made too small, cause the co-channel interference of minizone to increase, cause systematic function to decline, network key performance indicators (Key Performance Indicator, KPI) worsens.
In prior art under these scenes, usually use 2 passage non Smart Antenna array RRU to carry out benefits blind, due to 2 passage non Smart Antenna array RRU volumes and weight less, lower to installation environment requirement, compare and be easy to engineering construction.And 8 dual-four channel intelligent antenna array RRU of 2 passage non Smart Antenna array RRU and macro base station merge into a community, can avoid increasing presence of intercell interference, not increase the switching times of former community simultaneously, can not have a negative impact to the KPI of network.
But in prior art under intelligent antenna array RRU adds the grand diversity scene of non Smart Antenna array RRU, the transmission mode that downlink transfer pattern can be supported according to intelligent antenna array RRU and non Smart Antenna array RRU limits as scheduling, because non Smart Antenna array RRU can not figuration, therefore be limited as can not figuration for downlink transfer pattern, also be non-scheduling figuration associated transport pattern, such as: TM7 and TM8, then have lost the figuration gain of intelligent antenna array under this scene, cause systematic function not good.
In sum, in prior art under the application scenarios of intelligent antenna array and the grand diversity of non Smart Antenna array, the transmission mode that downlink transfer pattern can be supported according to intelligent antenna array and non Smart Antenna array limits as scheduling, what be limited to non Smart Antenna can not figuration, have lost the figuration gain of intelligent antenna array, cause systematic function not good.
Summary of the invention
Embodiments provide a kind of downlink data transmission method and device, in order to determine corresponding downlink transfer pattern according to the ownership aerial array of subscriber equipment, to obtain the highest descending transmission gain, improve systematic function.
A kind of downlink data transmission method that the embodiment of the present invention provides, the method comprises: the ownership aerial array determining subscriber equipment (User Equipment, UE); When the ownership aerial array of this UE comprises non Smart Antenna array, the downlink transfer pattern outside the transmission mode adopting figuration to be correlated with carries out transfer of data with this UE on the ownership aerial array of this UE.
In the said method that the embodiment of the present invention provides, by determining the ownership aerial array of subscriber equipment, when the ownership aerial array of this subscriber equipment comprises non Smart Antenna array, downlink transfer pattern outside the transmission mode adopting figuration to be correlated with and subscriber equipment carry out transfer of data, also namely when the ownership aerial array of this subscriber equipment does not comprise non Smart Antenna array, the relevant transmission mode of figuration and subscriber equipment can be adopted to carry out transfer of data, can not comparing by figuration of non Smart Antenna is limited to downlink transfer pattern in the application scenarios of the grand diversity of non Smart Antenna array with intelligent antenna array in prior art, according to the ownership aerial array of subscriber equipment, determine corresponding downlink transfer pattern, when the ownership aerial array of this subscriber equipment does not comprise non Smart Antenna array, the relevant transmission mode of figuration and subscriber equipment can be adopted to carry out transfer of data, thus obtain the highest descending transmission gain, improve systematic function, the application simultaneously making grand diversity merge is more extensively with flexible.
In a kind of possible execution mode, in the said method that the embodiment of the present invention provides, the method also comprises: when the ownership aerial array of this UE only comprises intelligent antenna array, and the downlink transfer pattern adopting figuration to be correlated with carries out transfer of data with this UE on the ownership aerial array of this UE.
In a kind of possible execution mode, in the said method that the embodiment of the present invention provides, determine that the ownership aerial array of UE comprises: the received power determining the channel measurement signal of each passage between intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE; According to the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array.
In a kind of possible execution mode, in the said method that the embodiment of the present invention provides, according to the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array, comprise: the received power utilizing the channel measurement signal of each passage between described intelligent antenna array and UE, determine the judge index amount of each passage between described intelligent antenna array and UE, further, the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE is utilized to determine the judge index amount of each passage between described non Smart Antenna array and UE, the judge index amount of each passage between described intelligent antenna array and UE and predetermined threshold value are compared, and, the judge index amount of each passage between described non Smart Antenna array and UE and described predetermined threshold value are compared, determine that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array according to comparative result.
In a kind of possible execution mode, in the said method that the embodiment of the present invention provides, utilize the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, determine the judge index amount of each passage between described intelligent antenna array and UE, comprising: determine the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE; Using the received power of the channel measurement signal of each passage between described intelligent antenna array and UE and the ratio of the described maximal received power judge index amount as this passage; Utilize the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE to determine the judge index amount of each passage between described non Smart Antenna array and UE, comprising: determine the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE; Using the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE and the ratio of the described maximal received power judge index amount as this passage.
In a kind of possible execution mode, in the said method that the embodiment of the present invention provides, utilize the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, determine the judge index amount of each passage between described intelligent antenna array and UE, comprising: determine the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE; Using the received power of the channel measurement signal of each passage between described intelligent antenna array and UE and the ratio of described maximal received power and the intelligent antenna array figuration gain sum judge index amount as this passage; Utilize the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE to determine the judge index amount of each passage between described non Smart Antenna array and UE, comprising: determine the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE; Using the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE and the ratio of the described maximal received power judge index amount as this passage.
In a kind of possible execution mode, in the said method that the embodiment of the present invention provides, determine that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array according to comparative result, comprise: in the passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, when the judge index amount of all passages is all less than or equal to predetermined threshold value in passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE is described intelligent antenna array; In passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when the judge index amount of at least one passage is greater than the judge index amount of described non Smart Antenna array all passages in passage between described intelligent antenna array and UE, determine that the ownership aerial array of UE is described intelligent antenna array; In passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when the judge index amount of at least one passage is more than or equal to the judge index amount of described intelligent antenna array all passages in passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises described intelligent antenna array and described non Smart Antenna array; In passage between described intelligent antenna array and UE, the judge index amount of all passages is all less than or equal to predetermined threshold value, when the judge index amount of at least one passage is greater than predetermined threshold value in passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE is described non Smart Antenna array.
In a kind of possible execution mode, in the said method that the embodiment of the present invention provides, when the ownership aerial array of described UE comprises non Smart Antenna array, if current downlink transfer pattern of carrying out transfer of data to this UE is the transmission mode that figuration is relevant, then this downlink transfer pattern is switched to space-frequency block codes SFBC pattern.
A kind of downlink data transmission device that the embodiment of the present invention provides, comprising: processing unit, for determining the ownership aerial array of user equipment (UE); Interactive unit, is connected to described processing unit, and when the ownership aerial array of this UE comprises non Smart Antenna array, the downlink transfer pattern outside the transmission mode adopting figuration to be correlated with carries out transfer of data with this UE on the ownership aerial array of this UE.
In the said apparatus that the embodiment of the present invention provides, by determining the ownership aerial array of subscriber equipment, when the ownership aerial array of this subscriber equipment comprises non Smart Antenna array, downlink transfer pattern outside the transmission mode adopting figuration to be correlated with and subscriber equipment carry out transfer of data, also namely when the ownership aerial array of this subscriber equipment does not comprise non Smart Antenna array, the relevant transmission mode of figuration and subscriber equipment can be adopted to carry out transfer of data, can not comparing by figuration of non Smart Antenna is limited to downlink transfer pattern in the application scenarios of the grand diversity of non Smart Antenna array with intelligent antenna array in prior art, according to the ownership aerial array of subscriber equipment, determine corresponding downlink transfer pattern, when the ownership aerial array of this subscriber equipment does not comprise non Smart Antenna array, the relevant transmission mode of figuration and subscriber equipment can be adopted to carry out transfer of data, thus obtain the highest descending transmission gain, improve systematic function, the application simultaneously making grand diversity merge is more extensively with flexible.
In a kind of possible execution mode, in the said apparatus that the embodiment of the present invention provides, described interactive unit also for: when the ownership aerial array of this UE only comprises intelligent antenna array, adopt the figuration downlink transfer pattern of being correlated with to carry out transfer of data with this UE on the ownership aerial array of this UE.
In a kind of possible execution mode, in the said apparatus that the embodiment of the present invention provides, described processing unit is specifically for the received power determining the channel measurement signal of each passage between intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE; According to the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array.
In a kind of possible execution mode, in the said apparatus that the embodiment of the present invention provides, described processing unit is according to the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array, comprise: described processing unit utilizes the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, determine the judge index amount of each passage between described intelligent antenna array and UE, further, described processing unit utilizes the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE to determine the judge index amount of each passage between described non Smart Antenna array and UE, the judge index amount of each passage between described intelligent antenna array and UE and predetermined threshold value compare by described processing unit, and, the judge index amount of each passage between described non Smart Antenna array and UE and described predetermined threshold value are compared, according to comparative result, described processing unit determines that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array.
In a kind of possible execution mode, in the said apparatus that the embodiment of the present invention provides, described processing unit utilizes the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, determine the judge index amount of each passage between described intelligent antenna array and UE, comprising: described processing unit determines the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE; Described processing unit is using the received power of the channel measurement signal of each passage between described intelligent antenna array and UE and the ratio of the described maximal received power judge index amount as this passage; Described processing unit utilizes the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE to determine the judge index amount of each passage between described non Smart Antenna array and UE, comprising: described processing unit determines the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE; Described processing unit is using the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE and the ratio of the described maximal received power judge index amount as this passage.
In a kind of possible execution mode, in the said apparatus that the embodiment of the present invention provides, described processing unit utilizes the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, determine the judge index amount of each passage between described intelligent antenna array and UE, comprising: described processing unit determines the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE; Described processing unit is using the received power of the channel measurement signal of each passage between described intelligent antenna array and UE and the ratio of described maximal received power and the intelligent antenna array figuration gain sum judge index amount as this passage; Described processing unit utilizes the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE to determine the judge index amount of each passage between described non Smart Antenna array and UE, comprising: described processing unit determines the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE; Described processing unit is using the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE and the ratio of the described maximal received power judge index amount as this passage.
In a kind of possible execution mode, in the said apparatus that the embodiment of the present invention provides, according to comparative result, described processing unit determines that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array, comprise: in the passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, when in passage between described non Smart Antenna array and UE, the judge index amount of all passages is all less than or equal to predetermined threshold value, described processing unit determines that the ownership aerial array of UE is described intelligent antenna array, in passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when in passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than the judge index amount of described non Smart Antenna array all passages, described processing unit determines that the ownership aerial array of UE is described intelligent antenna array, in passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is more than or equal to the judge index amount of described intelligent antenna array all passages, described processing unit determines that the ownership aerial array of UE comprises described intelligent antenna array and described non Smart Antenna array, in passage between described intelligent antenna array and UE, the judge index amount of all passages is all less than or equal to predetermined threshold value, when in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, described processing unit determines that the ownership aerial array of UE is described non Smart Antenna array.
In a kind of possible execution mode, in the said apparatus that the embodiment of the present invention provides, when the ownership aerial array of described UE comprises non Smart Antenna array, if current downlink transfer pattern of carrying out transfer of data to this UE is the transmission mode that figuration is relevant, described interactive unit is also for switching to space-frequency block codes SFBC pattern by this downlink transfer pattern.
Accompanying drawing explanation
The schematic flow diagram of a kind of downlink data transmission method that Fig. 1 provides for the embodiment of the present invention;
The determination ownership aerial array that Fig. 2 provides for the embodiment of the present invention and the principle schematic of downlink transfer pattern;
The structural representation of a kind of downlink data transmission device that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, a kind of downlink data transmission method provide the embodiment of the present invention and the embodiment of device are described in detail.
A kind of downlink data transmission method that the embodiment of the present invention provides, as shown in Figure 1, the method comprises:
Step 102, determines the ownership aerial array of user equipment (UE);
Step 104, when the ownership aerial array of this UE comprises non Smart Antenna array, the downlink transfer pattern outside the transmission mode adopting figuration to be correlated with carries out transfer of data with this UE on the ownership aerial array of this UE.
In the method that the embodiment of the present invention provides, by determining the ownership aerial array of subscriber equipment, when the ownership aerial array of this subscriber equipment comprises non Smart Antenna array, downlink transfer pattern outside the transmission mode adopting figuration to be correlated with and subscriber equipment carry out transfer of data, also namely when the ownership aerial array of this subscriber equipment does not comprise non Smart Antenna array, the relevant transmission mode of figuration and subscriber equipment can be adopted to carry out transfer of data, can not comparing by figuration of non Smart Antenna is limited to downlink transfer pattern in the application scenarios of the grand diversity of non Smart Antenna array with intelligent antenna array in prior art, according to the ownership aerial array of subscriber equipment, determine corresponding downlink transfer pattern, when the ownership aerial array of this subscriber equipment does not comprise non Smart Antenna array, the relevant transmission mode of figuration and subscriber equipment can be adopted to carry out transfer of data, thus obtain the highest descending transmission gain, improve systematic function, the application simultaneously making grand diversity merge is more extensively with flexible.
During concrete enforcement, subscriber equipment has mobility, can determine the ownership aerial array of subscriber equipment in real time, and determines corresponding downlink transfer pattern according to the ownership aerial array of subscriber equipment, carries out transfer of data with subscriber equipment.
It should be noted that, when the ownership aerial array of this subscriber equipment comprises non Smart Antenna array, downlink transfer pattern outside the transmission mode adopting figuration to be correlated with and this subscriber equipment carry out transfer of data, correspondingly, when the ownership aerial array of this UE only comprises intelligent antenna array, the downlink transfer pattern adopting figuration to be correlated with carries out transfer of data with this UE on the ownership aerial array of this UE, thus obtains the highest descending transmission gain, improves systematic function.
It should be noted that, when the ownership aerial array of this subscriber equipment only comprises intelligent antenna array, UE can use all downlink transfer patterns to carry out transfer of data, comprise the transmission mode that figuration is relevant, such as: TM7 and TM8, wherein, TM7 is the single current Beamforming pattern of port 5 (Port5), be mainly used in cell edge, can effectively to anti-interference; TM8 is double-current Beamforming pattern, may be used for cell edge, also can be applied to other scenes.
In a kind of possible execution mode, in the method that the embodiment of the present invention provides, determine that the ownership aerial array of UE comprises: the received power determining the channel measurement signal of each passage between intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between non Smart Antenna array and UE; According to the received power of the channel measurement signal of each passage between intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises intelligent antenna array and/or non Smart Antenna array.
In a kind of possible execution mode, in the method that the embodiment of the present invention provides, according to the received power of the channel measurement signal of each passage between intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises intelligent antenna array and/or non Smart Antenna array, comprise: the received power utilizing the channel measurement signal of each passage between intelligent antenna array and UE, determine the judge index amount of each passage between intelligent antenna array and UE; Further, the judge index amount of each passage between the received power determination non Smart Antenna array of the channel measurement signal of each passage between non Smart Antenna array and UE and UE is utilized; The judge index amount of each passage between intelligent antenna array and UE and predetermined threshold value are compared, and, the judge index amount of each passage between non Smart Antenna array and UE and predetermined threshold value are compared; Determine that the ownership aerial array of UE comprises intelligent antenna array and/or non Smart Antenna array according to comparative result.
During concrete enforcement, utilize the received power of the channel measurement signal of each passage between intelligent antenna array and UE, determine the judge index amount of each passage between intelligent antenna array and UE, and utilize the received power of channel measurement signal of each passage between non Smart Antenna array and UE, determine the judge index amount of each passage between non Smart Antenna array and UE, following two kinds of modes can be adopted:
Mode one: the received power utilizing the channel measurement signal of each passage between intelligent antenna array and UE, determine the judge index amount of each passage between intelligent antenna array and UE, comprising: determine the maximal received power in the received power of the channel measurement signal of the received power of the channel measurement signal of all passages between intelligent antenna array and UE and all passages between non Smart Antenna array and UE; Using the received power of the channel measurement signal of each passage between intelligent antenna array and UE and the ratio of the maximal received power judge index amount as this passage; Utilize the judge index amount of each passage between the received power determination non Smart Antenna array of the channel measurement signal of each passage between non Smart Antenna array and UE and UE, comprising: determine the maximal received power in the received power of the channel measurement signal of the received power of the channel measurement signal of all passages between intelligent antenna array and UE and all passages between non Smart Antenna array and UE; Using the received power of the channel measurement signal of each passage between non Smart Antenna array and UE and the ratio of the maximal received power judge index amount as this passage.
During concrete enforcement, after the received power of the channel measurement signal of the received power of the channel measurement signal of each passage determined between intelligent antenna array and UE and each passage between non Smart Antenna array and UE, determine the maximal received power in the received power of the channel measurement signal of the received power of the channel measurement signal of all passages between intelligent antenna array and UE and all passages between non Smart Antenna array and UE, then using the ratio of the received power of the channel measurement signal of each passage and maximal received power as judge index amount, when the judge index amount of a certain passage is greater than predetermined threshold value, determine that this passage is the ownership passage of subscriber equipment, otherwise, this passage is not the ownership passage of subscriber equipment, wherein, channel measurement signal can be detection reference signal (Sounding Reference Signal, SRS), also can be pilot signal etc., predetermined threshold value can adopt system default value or directly set, such as: predetermined threshold value is 0.5.
When judge index amount and predetermined threshold value are compared, intelligent antenna figuration gain should be considered, if current channel is the passage between intelligent antenna array and UE, then judge index amount needs the deviant adding the relative non Smart Antenna array of intelligent antenna array, also be intelligent antenna array figuration gain, this figuration gain is determined according to the performance of concrete RRU, when specifically implementing, and in the following way two.
Mode two, utilize the received power of the channel measurement signal of each passage between intelligent antenna array and UE, determine the judge index amount of each passage between intelligent antenna array and UE, comprising: determine the maximal received power in the received power of the channel measurement signal of the received power of the channel measurement signal of all passages between intelligent antenna array and UE and all passages between non Smart Antenna array and UE; Using the received power of the channel measurement signal of each passage between intelligent antenna array and UE and the ratio of maximal received power and the intelligent antenna array figuration gain sum judge index amount as this passage; Utilize the judge index amount of each passage between the received power determination non Smart Antenna array of the channel measurement signal of each passage between non Smart Antenna array and UE and UE, comprising: determine the maximal received power in the received power of the channel measurement signal of the received power of the channel measurement signal of all passages between intelligent antenna array and UE and all passages between non Smart Antenna array and UE; Using the received power of the channel measurement signal of each passage between non Smart Antenna array and UE and the ratio of the maximal received power judge index amount as this passage.
In a kind of possible execution mode, in the method that the embodiment of the present invention provides, determine that the ownership aerial array of UE comprises intelligent antenna array and/or non Smart Antenna array according to comparative result, comprise: in the passage between intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, when the judge index amount of all passages is all less than or equal to predetermined threshold value in passage between non Smart Antenna array and UE, determine that the ownership aerial array of UE is intelligent antenna array; In passage between intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when the judge index amount of at least one passage is greater than the judge index amount of non Smart Antenna array all passages in passage between intelligent antenna array and UE, determine that the ownership aerial array of UE is intelligent antenna array; In passage between intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when the judge index amount of at least one passage is more than or equal to the judge index amount of intelligent antenna array all passages in passage between non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises intelligent antenna array and non Smart Antenna array; In passage between intelligent antenna array and UE, the judge index amount of all passages is all less than or equal to predetermined threshold value, when the judge index amount of at least one passage is greater than predetermined threshold value in passage between non Smart Antenna array and UE, determine that the ownership aerial array of UE is non Smart Antenna array.
As comparatively specific embodiment, below in conjunction with Fig. 2, the determination of ownership aerial array and downlink transfer pattern is described in detail.
As shown in Figure 2, RRU 202 is intelligent antenna array, RRU 204 is non Smart Antenna array, suppose that the received power of the channel measurement signal of the passage of RRU 202 correspondence is respectively Rxp_1_i (i=1 ~ 8), the received power of the channel measurement signal of the passage of RRU 204 correspondence is respectively Rxp_2_i (i=1 ~ 2).
Then maximal received power Max_rxp=Max (Rxp_1_1, Rxp_1_2, Rxp_1_3, Rxp_1_4, Rxp_1_5, Rxp_1_6, Rxp_1_7, Rxp_1_8, Rxp_2_1, Rxp_2_2);
The judge index amount of intelligent antenna array: Ratio_rxp_1_i=Rxp_1_i/Max_rxp+Gain_sa; (i=1 ~ 8), wherein, Gain_sa is intelligent antenna array figuration gain, and unit is generally db (decibel);
The judge index amount of non Smart Antenna array: Ratio_rxp_2_i=Rxp_2_i/Max_rxp; (i=1 ~ 2).
When determining ownership aerial array and downlink transfer pattern, be divided into following four kinds of situations:
Situation 1, part is had to meet Ratio_rxp_1_i>Threshold_rxp (predetermined threshold value) in Ratio_rxp_1_i, and in Ratio_rxp_2_i, do not meet Ratio_rxp_2_i>Threshold_rxp, then think that UE is arranged in the region a of Fig. 2, now determine that RRU 202 is the ownership aerial array of UE, RRU 202 completes the data transmit-receive of this UE.Unrestricted to transmission mode, the transmission mode that schedulable figuration is relevant, such as: TM7 and TM8;
Situation 2, part is had to meet Ratio_rxp_1_i>Threshold_rxp in Ratio_rxp_1_i, and in Ratio_rxp_2_i, also have part to meet Ratio_rxp_2_i>Threshold_rxp, but Ratio_rxp_1_i>Ratio_rxp_2_i, then now intelligent antenna array figuration gain is higher, if allow RRU204 participate in the data transmit-receive of this UE, the transmission mode that then non-scheduling figuration is relevant, also effect is bad on the contrary namely to allow RRU 204 participate in the data transmit-receive of this UE, then RRU 202 is defined as the ownership aerial array of UE, think that UE is arranged in the region b of Fig. 2, RRU 202 completes the data transmit-receive of this UE.Unrestricted to transmission mode, the transmission mode that schedulable figuration is relevant, such as: TM7 and TM8;
Situation 3, part is had to meet Ratio_rxp_1_i>Threshold_rxp in Ratio_rxp_1_i, and in Ratio_rxp_2_i, also have part to meet Ratio_rxp_2_i>Threshold_rxp, but Ratio_rxp_1_i<=Ratio_rxp_2_i, then think that UE is arranged in the region c of Fig. 2, RRU 202 and RRU 204 is all defined as the ownership aerial array of UE, RRU 202 and RRU 204 complete the data transmit-receive of this UE, the transmission mode that now non-scheduling figuration is relevant.If current transmission mode is the transmission mode that figuration is relevant, then transmission mode return back to space-frequency block codes (Space frequency block coding, SFBC) pattern;
Situation 4, Ratio_rxp_1_i>Threshold_rxp is not met in Ratio_rxp_1_i, and in Ratio_rxp_2_i, have part to meet Ratio_rxp_2_i>Threshold_rxp, then think that UE is arranged in the region d of Fig. 2, now determine that RRU 204 is the ownership aerial array of UE, RRU 204 completes the data transmit-receive of this UE, the transmission mode that non-scheduling figuration is relevant.If current transmission mode is the transmission mode that figuration is relevant, then transmission mode return back to SFBC pattern.
In a kind of possible execution mode, in the method that the embodiment of the present invention provides, when the ownership aerial array of UE comprises non Smart Antenna array, if current downlink transfer pattern of carrying out transfer of data to this UE is the transmission mode that figuration is relevant, then this downlink transfer pattern is switched to space-frequency block codes SFBC pattern.
A kind of downlink data transmission device that the embodiment of the present invention provides, as shown in Figure 3, comprising: processing unit 302, for determining the ownership aerial array of user equipment (UE); Interactive unit 304, is connected to processing unit 302, and when the ownership aerial array of this UE comprises non Smart Antenna array, the downlink transfer pattern outside the transmission mode adopting figuration to be correlated with carries out transfer of data with this UE on the ownership aerial array of this UE.
In the device that the embodiment of the present invention provides, by determining the ownership aerial array of subscriber equipment, when the ownership aerial array of this subscriber equipment comprises non Smart Antenna array, downlink transfer pattern outside the transmission mode adopting figuration to be correlated with and subscriber equipment carry out transfer of data, also namely when the ownership aerial array of this subscriber equipment does not comprise non Smart Antenna array, the relevant transmission mode of figuration and subscriber equipment can be adopted to carry out transfer of data, can not comparing by figuration of non Smart Antenna is limited to downlink transfer pattern in the application scenarios of the grand diversity of non Smart Antenna array with intelligent antenna array in prior art, according to the ownership aerial array of subscriber equipment, determine corresponding downlink transfer pattern, when the ownership aerial array of this subscriber equipment does not comprise non Smart Antenna array, the relevant transmission mode of figuration and subscriber equipment can be adopted to carry out transfer of data, thus obtain the highest descending transmission gain, improve systematic function, the application simultaneously making grand diversity merge is more extensively with flexible.
In a kind of possible execution mode, in the device that the embodiment of the present invention provides, processing unit 302 is specifically for the received power determining the channel measurement signal of each passage between intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between non Smart Antenna array and UE; According to the received power of the channel measurement signal of each passage between intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises intelligent antenna array and/or non Smart Antenna array.
In a kind of possible execution mode, in the device that the embodiment of the present invention provides, interactive unit 304 also for: when the ownership aerial array of this UE only comprises intelligent antenna array, adopt the figuration downlink transfer pattern of being correlated with to carry out transfer of data with this UE on the ownership aerial array of this UE.
In a kind of possible execution mode, in the device that the embodiment of the present invention provides, processing unit 302 is according to the received power of the channel measurement signal of each passage between intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises intelligent antenna array and/or non Smart Antenna array, comprise: processing unit 302 utilizes the received power of the channel measurement signal of each passage between intelligent antenna array and UE, determine the judge index amount of each passage between intelligent antenna array and UE, further, processing unit 302 utilizes the judge index amount of each passage between the received power determination non Smart Antenna array of the channel measurement signal of each passage between non Smart Antenna array and UE and UE, the judge index amount of each passage between intelligent antenna array and UE and predetermined threshold value compare by processing unit 302, and, the judge index amount of each passage between non Smart Antenna array and UE and predetermined threshold value are compared, according to comparative result, processing unit 302 determines that the ownership aerial array of UE comprises intelligent antenna array and/or non Smart Antenna array.
In a kind of possible execution mode, in the device that the embodiment of the present invention provides, processing unit 302 utilizes the received power of the channel measurement signal of each passage between intelligent antenna array and UE, determine the judge index amount of each passage between intelligent antenna array and UE, comprising: processing unit 302 determines the maximal received power in the received power of the channel measurement signal of the received power of the channel measurement signal of all passages between intelligent antenna array and UE and all passages between non Smart Antenna array and UE; Processing unit 302 is using the received power of the channel measurement signal of each passage between intelligent antenna array and UE and the ratio of the maximal received power judge index amount as this passage; Processing unit 302 utilizes the judge index amount of each passage between the received power determination non Smart Antenna array of the channel measurement signal of each passage between non Smart Antenna array and UE and UE, comprising: processing unit 302 determines the maximal received power in the received power of the channel measurement signal of the received power of the channel measurement signal of all passages between intelligent antenna array and UE and all passages between non Smart Antenna array and UE; Processing unit 302 is using the received power of the channel measurement signal of each passage between non Smart Antenna array and UE and the ratio of the maximal received power judge index amount as this passage.
In a kind of possible execution mode, in the device that the embodiment of the present invention provides, processing unit 302 utilizes the received power of the channel measurement signal of each passage between intelligent antenna array and UE, determine the judge index amount of each passage between intelligent antenna array and UE, comprising: processing unit 302 determines the maximal received power in the received power of the channel measurement signal of the received power of the channel measurement signal of all passages between intelligent antenna array and UE and all passages between non Smart Antenna array and UE; Processing unit 302 is using the received power of the channel measurement signal of each passage between intelligent antenna array and UE and the ratio of maximal received power and the intelligent antenna array figuration gain sum judge index amount as this passage; Processing unit 302 utilizes the judge index amount of each passage between the received power determination non Smart Antenna array of the channel measurement signal of each passage between non Smart Antenna array and UE and UE, comprising: processing unit 302 determines the maximal received power in the received power of the channel measurement signal of the received power of the channel measurement signal of all passages between intelligent antenna array and UE and all passages between non Smart Antenna array and UE; Processing unit 302 is using the received power of the channel measurement signal of each passage between non Smart Antenna array and UE and the ratio of the maximal received power judge index amount as this passage.
In a kind of possible execution mode, in the device that the embodiment of the present invention provides, according to comparative result, processing unit 302 determines that the ownership aerial array of UE comprises intelligent antenna array and/or non Smart Antenna array, comprise: in the passage between intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, when in passage between non Smart Antenna array and UE, the judge index amount of all passages is all less than or equal to predetermined threshold value, processing unit 302 determines that the ownership aerial array of UE is intelligent antenna array; In passage between intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when in passage between intelligent antenna array and UE, the judge index amount of at least one passage is greater than the judge index amount of non Smart Antenna array all passages, processing unit 302 determines that the ownership aerial array of UE is intelligent antenna array; In passage between intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when in passage between non Smart Antenna array and UE, the judge index amount of at least one passage is more than or equal to the judge index amount of intelligent antenna array all passages, processing unit 302 determines that the ownership aerial array of UE comprises intelligent antenna array and non Smart Antenna array; In passage between intelligent antenna array and UE, the judge index amount of all passages is all less than or equal to predetermined threshold value, when in passage between non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, processing unit 302 determines that the ownership aerial array of UE is non Smart Antenna array.
In a kind of possible execution mode, in the device that the embodiment of the present invention provides, when the ownership aerial array of UE comprises non Smart Antenna array, if current downlink transfer pattern of carrying out transfer of data to this UE is the transmission mode that figuration is relevant, interactive unit 304 is also for switching to space-frequency block codes SFBC pattern by this downlink transfer pattern.
The downlink data transmission device that the embodiment of the present invention provides, can, as a part for network side access point (such as: base station), be integrated in network side access point, wherein, processing unit 302 can adopt CPU processor etc., and interactive unit 304 can adopt transceiver etc.
In sum, a kind of downlink data transmission method that the embodiment of the present invention provides and device, by determining the ownership aerial array of subscriber equipment, when the ownership aerial array of this subscriber equipment comprises non Smart Antenna array, downlink transfer pattern outside the transmission mode adopting figuration to be correlated with and subscriber equipment carry out transfer of data, also namely when the ownership aerial array of this subscriber equipment does not comprise non Smart Antenna array, the relevant transmission mode of figuration and subscriber equipment can be adopted to carry out transfer of data, thus obtain the highest descending transmission gain, improve systematic function, the application simultaneously making grand diversity merge is more extensively with flexible.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (16)

1. a downlink data transmission method, is characterized in that, the method comprises:
Determine the ownership aerial array of user equipment (UE);
When the ownership aerial array of this UE comprises non Smart Antenna array, the downlink transfer pattern outside the transmission mode adopting figuration to be correlated with carries out transfer of data with this UE on the ownership aerial array of this UE.
2. method according to claim 1, is characterized in that, the method also comprises:
When the ownership aerial array of this UE only comprises intelligent antenna array, the downlink transfer pattern adopting figuration to be correlated with carries out transfer of data with this UE on the ownership aerial array of this UE.
3. method according to claim 1, is characterized in that, determines that the ownership aerial array of UE comprises:
Determine the received power of the channel measurement signal of each passage between intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE;
According to the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array.
4. method according to claim 3, it is characterized in that, according to the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array, comprising:
Utilize the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, determine the judge index amount of each passage between described intelligent antenna array and UE; Further, the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE is utilized to determine the judge index amount of each passage between described non Smart Antenna array and UE;
The judge index amount of each passage between described intelligent antenna array and UE and predetermined threshold value are compared, and, the judge index amount of each passage between described non Smart Antenna array and UE and described predetermined threshold value are compared;
Determine that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array according to comparative result.
5. method according to claim 4, is characterized in that, utilizes the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, determines the judge index amount of each passage between described intelligent antenna array and UE, comprising:
Determine the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE;
Using the received power of the channel measurement signal of each passage between described intelligent antenna array and UE and the ratio of the described maximal received power judge index amount as this passage;
Utilize the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE to determine the judge index amount of each passage between described non Smart Antenna array and UE, comprising:
Determine the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE;
Using the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE and the ratio of the described maximal received power judge index amount as this passage.
6. method according to claim 4, is characterized in that, utilizes the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, determines the judge index amount of each passage between described intelligent antenna array and UE, comprising:
Determine the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE;
Using the received power of the channel measurement signal of each passage between described intelligent antenna array and UE and the ratio of described maximal received power and the intelligent antenna array figuration gain sum judge index amount as this passage;
Utilize the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE to determine the judge index amount of each passage between described non Smart Antenna array and UE, comprising:
Determine the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE;
Using the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE and the ratio of the described maximal received power judge index amount as this passage.
7. the method according to any one of claim 4-6, is characterized in that, determines that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array, comprising according to comparative result:
In passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, when the judge index amount of all passages is all less than or equal to predetermined threshold value in passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE is described intelligent antenna array;
In passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when the judge index amount of at least one passage is greater than the judge index amount of described non Smart Antenna array all passages in passage between described intelligent antenna array and UE, determine that the ownership aerial array of UE is described intelligent antenna array;
In passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when the judge index amount of at least one passage is more than or equal to the judge index amount of described intelligent antenna array all passages in passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises described intelligent antenna array and described non Smart Antenna array;
In passage between described intelligent antenna array and UE, the judge index amount of all passages is all less than or equal to predetermined threshold value, when the judge index amount of at least one passage is greater than predetermined threshold value in passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE is described non Smart Antenna array.
8. method according to claim 1, it is characterized in that, when the ownership aerial array of described UE comprises non Smart Antenna array, if current downlink transfer pattern of carrying out transfer of data to this UE is the transmission mode that figuration is relevant, then this downlink transfer pattern is switched to space-frequency block codes SFBC pattern.
9. a downlink data transmission device, is characterized in that, comprising:
Processing unit, for determining the ownership aerial array of user equipment (UE);
Interactive unit, is connected to described processing unit, and when the ownership aerial array of this UE comprises non Smart Antenna array, the downlink transfer pattern outside the transmission mode adopting figuration to be correlated with carries out transfer of data with this UE on the ownership aerial array of this UE.
10. device according to claim 9, it is characterized in that, described interactive unit also for: when the ownership aerial array of this UE only comprises intelligent antenna array, adopt the figuration downlink transfer pattern of being correlated with to carry out transfer of data with this UE on the ownership aerial array of this UE.
11. devices according to claim 9, is characterized in that, described processing unit specifically for:
Determine the received power of the channel measurement signal of each passage between intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE;
According to the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array.
12. devices according to claim 11, it is characterized in that, described processing unit is according to the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, and the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE, determine that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array, comprising:
Described processing unit utilizes the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, determines the judge index amount of each passage between described intelligent antenna array and UE; Further, described processing unit utilizes the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE to determine the judge index amount of each passage between described non Smart Antenna array and UE;
The judge index amount of each passage between described intelligent antenna array and UE and predetermined threshold value compare by described processing unit, and, the judge index amount of each passage between described non Smart Antenna array and UE and described predetermined threshold value are compared;
According to comparative result, described processing unit determines that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array.
13. devices according to claim 12, it is characterized in that, described processing unit utilizes the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, determines the judge index amount of each passage between described intelligent antenna array and UE, comprising:
Described processing unit determines the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE;
Described processing unit is using the received power of the channel measurement signal of each passage between described intelligent antenna array and UE and the ratio of the described maximal received power judge index amount as this passage;
Described processing unit utilizes the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE to determine the judge index amount of each passage between described non Smart Antenna array and UE, comprising:
Described processing unit determines the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE;
Described processing unit is using the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE and the ratio of the described maximal received power judge index amount as this passage.
14. devices according to claim 12, it is characterized in that, described processing unit utilizes the received power of the channel measurement signal of each passage between described intelligent antenna array and UE, determines the judge index amount of each passage between described intelligent antenna array and UE, comprising:
Described processing unit determines the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE;
Described processing unit is using the received power of the channel measurement signal of each passage between described intelligent antenna array and UE and the ratio of described maximal received power and the intelligent antenna array figuration gain sum judge index amount as this passage;
Described processing unit utilizes the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE to determine the judge index amount of each passage between described non Smart Antenna array and UE, comprising:
Described processing unit determines the maximal received power in the received power of the channel measurement signal of all passages between the received power of the channel measurement signal of all passages between described intelligent antenna array and UE and described non Smart Antenna array and UE;
Described processing unit is using the received power of the channel measurement signal of each passage between described non Smart Antenna array and UE and the ratio of the described maximal received power judge index amount as this passage.
15. devices according to any one of claim 12-14, it is characterized in that, according to comparative result, described processing unit determines that the ownership aerial array of UE comprises described intelligent antenna array and/or described non Smart Antenna array, comprising:
In passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, when in passage between described non Smart Antenna array and UE, the judge index amount of all passages is all less than or equal to predetermined threshold value, described processing unit determines that the ownership aerial array of UE is described intelligent antenna array;
In passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when in passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than the judge index amount of described non Smart Antenna array all passages, described processing unit determines that the ownership aerial array of UE is described intelligent antenna array;
In passage between described intelligent antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, and when in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is more than or equal to the judge index amount of described intelligent antenna array all passages, described processing unit determines that the ownership aerial array of UE comprises described intelligent antenna array and described non Smart Antenna array;
In passage between described intelligent antenna array and UE, the judge index amount of all passages is all less than or equal to predetermined threshold value, when in passage between described non Smart Antenna array and UE, the judge index amount of at least one passage is greater than predetermined threshold value, described processing unit determines that the ownership aerial array of UE is described non Smart Antenna array.
16. devices according to claim 9, it is characterized in that, when the ownership aerial array of described UE comprises non Smart Antenna array, if current downlink transfer pattern of carrying out transfer of data to this UE is the transmission mode that figuration is relevant, described interactive unit is also for switching to space-frequency block codes SFBC pattern by this downlink transfer pattern.
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CN101257339A (en) * 2007-03-01 2008-09-03 华为技术有限公司 Broadcasting network, base station and broadcasting network blind zone positioning method
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