The data processing method and the device that are used for mixed networking
Technical field
The present invention relates to a kind of network-building method and device of communication system, be specifically related to a kind of data processing method and device that is used for mixed networking.
Background technology
Multiple-input and multiple-output (Multiple-Input Multiple-Output, hereinafter to be referred as MIMO) system uses a plurality of transmitting antennas and reception antenna respectively at transmitting terminal and receiving terminal, signal transmits and receives by a plurality of antennas of transmitting terminal and receiving terminal, thereby improve each quality of services for users, as bit error rate or data rate.Though mimo system is considered to one of following main data transmission technology, but the single output of single input (Single-Input Single-Output, hereinafter to be referred as SISO) system is still generally adopted by legacy system, and the situation of this coexistence also can continue for some time.
When mimo system and legacy system mixed networking, non-mimo system can use space-time emission diversity (Space Time Transmit Diversity, hereinafter to be referred as STTD) pattern realizes and the seamless connection of mimo system, comprises the configuration of power resource and the use of pilot signal etc.But because the high flow rate of STTD pattern uses the STTD pattern just to mean that user terminal can not use balanced receiver, under the higher channel circumstance of signal to noise ratio (snr), non-MIMO user's receptivity uses the SISO pattern that 30%~40% decline is arranged.In order to solve the problem that user's receptivity descends, prior art has proposed a kind of non-MIMO user solution with the emission of SISO pattern on the mimo system main antenna, but the power imbalance that has caused two radio-frequency channels is used in the mixing of this SISO pattern and MIMO pattern, the signal of MIMO pattern can produce the signal of SISO pattern and disturb on the auxilliary simultaneously antenna, causes receptivity to descend equally.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of data processing method and device that is used for mixed networking, under the prerequisite that guarantees MIMO and non-MIMO user's receptivity, effectively guarantees the power-balance of two radio-frequency channels.
For solving the problems of the technologies described above, the invention provides a kind of data processing method that is used for mixed networking, comprising:
MIMO user data and non-MIMO user data are handled, obtained being carried on the input data of first on the primary pilot channel and be carried on the second input data of teaching on the frequency channel, the described first input data comprise non-MIMO user data;
The described first input data and the second input data are carried out the mapping processing of balanced power, obtain being carried on first dateout and second dateout on the radio-frequency channel;
Described first dateout and second dateout are sent into the forward emitted passage.
Wherein, MIMO user data and non-MIMO user data are handled, are obtained being carried on the input data of first on the primary pilot channel and be carried on and teach the step of the second input data on the frequency channel to comprise:
Non-MIMO user data is carried out symbol level and the non-MIMO data of chip-level processing generation; Common signal channel and control channel data are carried out transmission channel and spectrum-spreading and scrambling process generation public control channel data; The MIMO user data is carried out symbol level and chip-level processing, and generate the first coding data and second coded data by precoding processing;
Described first coding data, non-MIMO data, public control channel data and primary pilot channel data are carried out data merge, obtain being carried on the input of first on primary pilot channel data; Channel data carries out the data merging with teaching frequently with described second coded data, obtains being carried on the second input data of teaching on the frequency channel.
Wherein, the described first input data and the second input data are carried out the mapping of balanced power and handle, obtaining being carried on first dateout on the radio-frequency channel and the step of second dateout can comprise:
With first angle of setting the described second input data are carried out the phase place rotation, obtain postrotational the secondth input data;
Described first input data and the postrotational second input data are added computing respectively and subtract computing, obtain and data and difference data;
With second angle of setting described difference data is carried out the phase place rotation, obtain postrotational difference data;
Carry out the power normalization processing to described with data and postrotational difference data, obtain being carried on first dateout and second dateout on the radio-frequency channel.
Further, described first angle condition that should satisfy is:
Wherein θ 1 is first angle.
Wherein, the described first input data and the second input data are carried out the mapping of balanced power and handle, obtain being carried on first dateout on the radio-frequency channel and the step of second dateout and also can comprise:
With first angle of setting the described second input data are carried out the phase place rotation, obtain the postrotational second input data, the described first input data are carried out the phase place rotation, obtain the postrotational first input data with the third angle degree of setting;
The described postrotational first input data and the second input data are added computing respectively and subtract computing, obtain and data and difference data;
With second angle of setting described difference data is carried out the phase place rotation, obtain postrotational difference data, described and data are carried out the phase place rotation, obtain postrotational and data with the 4th angle of setting;
Described postrotational difference data and postrotational and data are carried out power normalization handle, obtain being carried on first dateout and second dateout on the radio-frequency channel.
Further, described first angle and the third angle degree condition that should satisfy is:
Wherein θ 1 is first angle, and θ 3 is the third angle degree.
For solving the problems of the technologies described above, the present invention also provides a kind of data processing equipment that is used for mixed networking, comprising:
Processing module is used for MIMO user data and non-MIMO user data are handled, and obtains being carried on the input data of first on the primary pilot channel and is carried on the second input data of teaching on the frequency channel, and the described first input data comprise non-MIMO user data;
Mapping block is used for the described first input data and the second input data are carried out the mapping processing of balanced power, obtains being carried on first dateout and second dateout on the radio-frequency channel;
Sending module is used for described first dateout and second dateout are sent into the forward emitted passage.
Wherein, described processing module comprises:
First processing unit is used for non-MIMO user data is carried out symbol level and the non-MIMO data of chip-level processing generation;
Second processing unit is used for common channel data and the control channel data are carried out transmission channel and spectrum-spreading and scrambling process generates public control channel data;
The 3rd processing unit is used for the MIMO user data is carried out symbol level and chip-level processing, and generates the first coding data and second coded data by precoding processing;
First input unit, be connected with described first processing unit, second processing unit and the 3rd processing unit respectively, be used for that described first coding data, non-MIMO data, public control channel data and primary pilot channel data are carried out data and merge, obtain being carried on the input of first on primary pilot channel data;
Second input unit is connected with described the 3rd processing unit, is used for that described second coded data is carried out data with guidance frequency channel data and merges, and obtains being carried on and teaches second on the frequency channel to import data.
Wherein, described mapping block can comprise:
First rotary unit is connected with described processing module, is used for first angle of setting the described second input data being carried out the phase place rotation, obtains the postrotational second input data;
First arithmetic element is connected with first rotary unit with described processing module respectively, is used for described first input data and the postrotational second input data are added computing respectively and subtract computing, obtains and data and difference data;
Second rotary unit is connected with described first arithmetic element, is used for second angle of setting described difference data being carried out the phase place rotation, obtains postrotational difference data;
First power cell is connected with second rotary unit with described first arithmetic element respectively, is used for carrying out the power normalization processing to described with data and postrotational difference data, obtains being carried on first dateout and second dateout on the radio-frequency channel.
Further, described first rotary unit also is connected with the memory cell that stores the phase rotation angle value respectively with second rotary unit, and described memory cell is connected with the control unit of setting the phase rotation angle value.
Further, described first angle condition that should satisfy is:
Wherein θ 1 is first angle.
Wherein, described mapping block also can comprise:
First rotary unit is connected with described processing module, is used for first angle of setting the described second input data being carried out the phase place rotation, obtains the postrotational second input data;
The 3rd rotary unit is connected with described processing module, is used for the third angle degree of setting the described first input data being carried out the phase place rotation, obtains the postrotational first input data;
Second arithmetic element is connected with the 3rd rotary unit with described first rotary unit respectively, is used for the described postrotational first input data and the second input data are added computing respectively and subtract computing, obtains and data and difference data;
Second rotary unit is connected with described second arithmetic element, is used for second angle of setting described difference data being carried out the phase place rotation, obtains postrotational difference data;
The 4th rotary unit is connected with described second arithmetic element, is used for the 4th angle of setting described and data being carried out the phase place rotation, obtains postrotational and data;
Second power cell, be connected with the 4th rotary unit with described second rotary unit respectively, be used for that described postrotational and data and postrotational difference data are carried out power normalization and handle, obtain being carried on first dateout and second dateout on the radio-frequency channel.
Further, described first rotary unit, second rotary unit, the 3rd rotary unit and the 4th rotary unit also are connected with the memory cell that stores the phase rotation angle value respectively, and described memory cell is connected with the control unit of setting the phase rotation angle value.
Further, described first angle and the third angle degree condition that should satisfy is:
Wherein θ 1 is first angle, and θ 3 is the third angle degree.
The invention provides a kind of data processing method and device that is used for mixed networking, the two paths of data that base band is comprised MIMO and non-MIMO user data is mapped on the radio-frequency channel, under the prerequisite that guarantees MIMO and non-MIMO user's receptivity, effectively guaranteed the power-balance of two radio-frequency channels.Compare with the prior art of using the STTD pattern, the present invention effectively separates the problem of MIMO user's receptivity decline by no means, and has guaranteed MIMO user's receptivity simultaneously.Compare with the prior art of launching with the SISO pattern on the mimo system main antenna, the present invention has guaranteed the power-balance of two radio-frequency channels by the power adjustment.Further, the present invention can make system's best performance under different channel conditions by dynamically adjusting the phase place anglec of rotation.In addition, the present invention has simple in structure and is convenient to advantage such as realization, does not need to change terminal equipment, is applicable to different manufacturers, the realization of dissimilar FPGA or ASIC.
Description of drawings
Fig. 1 is used for the flow chart of the data processing method of mixed networking for the embodiment of the invention;
Fig. 2 obtains the flow chart that the first input data and second are imported data for the data processing method that the embodiment of the invention is used for mixed networking;
Fig. 3 is the fundamental diagram of flow process shown in Figure 2;
The data processing method of mixed networking is a kind of to obtain being carried on first dateout on the radio-frequency channel and the flow chart of second dateout to Fig. 4 for the embodiment of the invention is used for;
Fig. 5 is the fundamental diagram of flow process shown in Figure 4;
The data processing method of mixed networking is another kind of to obtain being carried on first dateout on the radio-frequency channel and the flow chart of second dateout to Fig. 6 for the embodiment of the invention is used for;
Fig. 7 is the fundamental diagram of flow process shown in Figure 6;
Fig. 8 is used for the structural representation of the data processing equipment of mixed networking for the embodiment of the invention;
Fig. 9 is the structural representation of mapping block first embodiment of the present invention;
Figure 10 is the structural representation of mapping block second embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical solution of the present invention is described in further details.
Fig. 1 comprises for the embodiment of the invention is used for the flow chart of the data processing method of mixed networking:
Step 1, MIMO user data and non-MIMO user data are handled, obtained being carried on the input data of first on the primary pilot channel and be carried on the second input data of teaching on the channel frequently, the described first input data comprise non-MIMO user data;
Step 2, the mapping that the described first input data and the second input data are carried out balanced power are handled, and obtain being carried on first dateout and second dateout on the radio-frequency channel;
Step 3, described first dateout and second dateout are sent into the forward emitted passage.
In technique scheme, the embodiment of the invention at first comprises base band the two paths of data of MIMO user data and non-MIMO user data and handles, obtain comprising the first input data of non-MIMO user data and a part of MIMO user data, with the second input data that comprise another part MIMO user data, the first input Data-carrying is on primary pilot channel, and the second input Data-carrying is being taught on the frequency channel.So, non-MIMO user data will be launched on an antenna, and non-MIMO user can use balanced receiver to receive, and therefore effectively guarantee MIMO user and non-MIMO user's receptivity.Simultaneously, the first input data of primary pilot channel are imported data map in the process of radio-frequency channel with second of guidance frequency channel, the embodiment of the invention makes the power of two radio-frequency channels be able to balance by shining upon the power of adjustment two paths of data.
Fig. 2 comprises for the data processing method that the embodiment of the invention is used for mixed networking obtains the flow chart that the first input data and second are imported data:
Step 11, non-MIMO user data is carried out symbol level and chip-level handle and generate non-MIMO data; Common channel data and control channel data are carried out transmission channel and spectrum-spreading and scrambling process generation public control channel data; The MIMO user data is carried out symbol level and chip-level processing, and generate the first coding data and second coded data by precoding processing;
Step 12, described first coding data, non-MIMO data, public control channel data and primary pilot channel data are carried out data merge, obtain being carried on the input of first on primary pilot channel data; Channel data carries out the data merging with teaching frequently with described second coded data, obtains being carried on the second input data of teaching on the frequency channel.
Fig. 3 is the fundamental diagram of flow process shown in Figure 2.As shown in Figure 3, the processing that needs to carry out before data merge comprises: non-MIMO user data H is carried out symbol level and the non-MIMO data H1 of chip-level processing generation; Common channel data and control channel data C are carried out transmission channel and spectrum-spreading and scrambling process generation public control channel data C1; MIMO user data M is carried out symbol level and chip-level processing, and generate the first coding data M1 and the second coded data M2 by precoding processing.Subsequently, first coding data M1, non-MIMO data H1, public control channel data C1 and primary pilot channel (P-CPICH) data are carried out data to be merged, obtain the first input data I N1, the second coded data M2 and guidance frequency channel (S-CPICH) data are carried out the data merging, obtain the second input data I N2, the first input data I N1 is carried on the primary pilot channel, and the second input data I N2 is carried on and teaches on the frequency channel.Wherein, the data merging is meant each channel data is accumulated together by the certain time sequence relation, the spectrum-spreading and scrambling process of the symbol level of MIMO user data and non-MIMO user data and chip-level processing, common channel data and control channel data and the processes such as precoding processing of MIMO user data have been well known to those skilled in the art, repeat no more here.
The data processing method of mixed networking is a kind of to obtain being carried on first dateout on the radio-frequency channel and the flow chart of second dateout to Fig. 4 for the embodiment of the invention is used for, and comprising:
Step 31, the described second input data are carried out the phase place rotation, obtain the postrotational second input data with first angle of setting;
Step 32, with described first the input data and postrotational second the input data add computing respectively and subtract computing, obtain and data and difference data;
Step 33, described difference data is carried out the phase place rotation, obtain postrotational difference data with second angle of setting;
Step 34, described and data and postrotational difference data are carried out power normalization handle, obtain being carried on first dateout and second dateout on the radio-frequency channel.
Fig. 5 is the fundamental diagram of flow process shown in Figure 4.As shown in Figure 5, at first, be carried on the second input data I N2 that teaches on the frequency channel with 1 couple of the first angle θ that sets and carry out the phase place rotation, obtain first phase data, do not do any processing and be carried on the input of first on primary pilot channel data I N1; To be carried on the input of first on primary pilot channel data I N1 then and carry out postrotational first data of phase place and add computing respectively and subtract computing, the first input data I N1 and the postrotational second input data sum obtain and data, and the difference of the first input data I N1 and the postrotational second input data obtains difference data; Carry out the phase place rotation with 2 pairs of difference datas of the second angle θ of setting afterwards, obtain postrotational difference data, and to not doing any processing with data; At last, to carrying out the power normalization processing, obtain being carried on the first dateout OUT1 and the second dateout OUT2 on the radio-frequency channel with data and postrotational difference data.
Need to prove that the described phase place rotation of the embodiment of the invention is the constant phase place rotation of a kind of amplitude, the phase rotation angle of setting (the first angle θ 1 and the second angle θ 2) is set by control unit.After control unit is set phase rotation angle, the phase rotation angle value of setting is stored in the memory cell, according to actual operation parameters, control unit just can guarantee the systematic function optimum by adjusting the phase rotation angle value.For example, for the WCDMA system, the first angle θ 1 can be set at π/4, the second angle θ 2 can be set at pi/2.In the practical application, those skilled in the art can be according to the real system parameter setting first angle θ 1 and the second angle θ 2.In the embodiment of the invention technical scheme, in order to satisfy between antenna power-balance between data power balance and stream, the first angle θ 1 should meet the following conditions:
Wherein, k is 4 weights in the MIMO user data precoding processing, and n is a multiple value.In the technique scheme, present embodiment can guarantee that by the phase place rotation MIMO user data and non-MIMO user data do not disturb mutually on the one hand, also can guarantee first dateout that is used to launch and the orthogonality of second dateout, by the plus and minus calculation of two paths of data, realized the power-balance of two radio-frequency channels in power-sharing adjustment mode on the other hand.
The data processing method of mixed networking is another kind of to obtain being carried on first dateout on the radio-frequency channel and the flow chart of second dateout to Fig. 6 for the embodiment of the invention is used for, and comprising:
Step 41, the described second input data are carried out the phase place rotation, obtain the postrotational second input data, the described first input data are carried out the phase place rotation, obtain the postrotational first input data with the third angle degree of setting with first angle of setting;
Step 42, with described postrotational first the input data and second the input data add computing respectively and subtract computing, obtain and data and difference data;
Step 43, described difference data is carried out the phase place rotation, obtain postrotational difference data, described and data are carried out the phase place rotation, obtain postrotational and data with the 4th angle of setting with second angle of setting;
Step 44, described postrotational and data and difference data are carried out power normalization handle, obtain being carried on first dateout and second dateout on the radio-frequency channel.
Fig. 7 is the fundamental diagram of flow process shown in Figure 6.As shown in Figure 7, at first, be carried on the second input data I N2 that teaches on the frequency channel with 1 couple of the first angle θ that sets and carry out the phase place rotation, obtain the postrotational second input data, be carried on the input of first on primary pilot channel data I N1 with 3 couples of third angle degree θ that set and carry out the phase place rotation, obtain the postrotational first input data; Then postrotational first data and second data are added computing respectively and subtract computing, the postrotational first input data and the second input data sum obtain and data, and the difference of the postrotational first input data and the second input data obtains difference data; Afterwards, carry out the phase place rotation, obtain postrotational difference data, carry out the phase place rotation, obtain postrotational and data with 4 couples of the 4th angle θ and the data set with 2 pairs of difference datas of the second angle θ of setting; At last, carry out the power normalization processing, obtain being carried on the first dateout OUT1 and the second dateout OUT2 on the radio-frequency channel to postrotational difference data with data.
Equally, the phase rotation angle value in the technique scheme is set by control unit, and is stored in the memory cell.In the embodiment of the invention technical scheme, in order to satisfy between antenna power-balance between data power balance and stream, the first angle θ 1 and third angle degree θ 3 should meet the following conditions:
The above embodiment of the present invention provides a kind of data processing method that is used for mixed networking, the two paths of data that base band is comprised MIMO and non-MIMO user data is mapped on the radio-frequency channel, under the prerequisite that guarantees MIMO and non-MIMO user's receptivity, effectively guarantee the power-balance of two radio-frequency channels.Compare with the prior art of using the STTD pattern, the embodiment of the invention is effectively separated the problem of MIMO user's receptivity decline by no means, and has guaranteed MIMO user's receptivity simultaneously.Compare with the prior art of launching with the SISO pattern on the mimo system main antenna, the embodiment of the invention has guaranteed the power-balance of two radio-frequency channels by the power adjustment.Further, the embodiment of the invention can make system's best performance under different channel conditions by dynamically adjusting the phase place anglec of rotation.In addition, the embodiment of the invention has simple in structure and is convenient to advantage such as realization, and one of them scheme only need be used 2 complex multipliers, two complex adder and two fixed coefficient multipliers, has effectively saved the gate circuit number.The realization of the embodiment of the invention does not need to change terminal equipment, is applicable to different manufacturers, the realization of dissimilar FPGA or ASIC.
Fig. 8 is used for the structural representation of the data processing equipment of mixed networking for the embodiment of the invention.As shown in Figure 8, the data processing equipment that the embodiment of the invention is used for mixed networking comprises processing module, mapping block and sending module, wherein processing module is used for MIMO user data and non-MIMO user data are handled, obtain being carried on the input data of first on the primary pilot channel and be carried on the second input data of teaching on the frequency channel, the described first input data comprise non-MIMO user data; Mapping block is connected with processing module, is used for the described first input data and the second input data are carried out the mapping processing of balanced power, obtains being carried on first dateout and second dateout on the radio-frequency channel; Sending module is connected with mapping block, is used for first dateout and second dateout are sent into the forward emitted passage.
The data processing equipment that the embodiment of the invention is used for mixed networking at first obtains being carried on the input data of first on the primary pilot channel by processing module and is carried on the second input data of teaching on the frequency channel, and the first input data comprise non-MIMO user data, have effectively guaranteed MIMO user and non-MIMO user's receptivity; The embodiment of the invention makes the power of two radio-frequency channels be able to balance by the power of mapping block adjustment two paths of data simultaneously.
As shown in Figure 8, embodiment of the invention processing module comprises first processing unit 11, second processing unit 12, the 3rd processing unit 13, first input unit 14 and second input unit 15, first processing unit 11 is used for non-MIMO user data is carried out symbol level and the non-MIMO data of chip-level processing generation, second processing unit 12 is used for common channel data and the control channel data are carried out transmission channel and spectrum-spreading and scrambling process generates public control channel data, the 3rd processing unit 13 is used for the MIMO user data is carried out symbol level and chip-level processing, and by the precoding processing generation first coding data and second coded data, first input unit 14 respectively with first processing unit 11, second processing unit 12 is connected with the 3rd processing unit 13, be used for described first coding data, non-MIMO data, public control channel data and primary pilot channel data are carried out data and are merged, obtain being carried on the input of first on primary pilot channel data, second input unit 15 is connected with the 3rd processing unit 13, be used for that described second coded data is carried out data with guidance frequency channel data and merge, obtain being carried on and teach second on the frequency channel to import data.
Fig. 9 is the structural representation of mapping block first embodiment of the present invention.As shown in Figure 9, the present embodiment mapping block comprises first rotary unit 21, second rotary unit 22, first arithmetic element 31 and first power cell 41.Wherein, first rotary unit 21 is connected with second input unit 15 of processing module, is used for first angle of setting the second input data that second input unit 15 sends being carried out the phase place rotation, obtains the postrotational second input data.First arithmetic element 31 is connected with first rotary unit 21 with first input unit 14 of processing module respectively, be used for the first postrotational second input data of importing data and 21 transmissions of first rotary unit that first input unit 14 sends are added computing respectively and subtract computing, the first input data and the postrotational second input data sum obtain and data, and the difference of the first input data and the postrotational second input data obtains difference data.Second rotary unit 22 is connected with first arithmetic element 31, is used for second angle of setting described difference data being carried out the phase place rotation, obtains postrotational difference data.First power cell 41 is connected with second rotary unit 22 with first arithmetic element 31 respectively, being used for that first arithmetic element, the 31 postrotational difference datas with data and 22 transmissions of second rotary unit that send are carried out power normalization handles, obtain being carried on first dateout and second dateout on the radio-frequency channel, and send to sending module.
The described phase place rotation of present embodiment is the constant phase place rotation of a kind of amplitude.First rotary unit 21 also is connected with a memory cell respectively with second rotary unit 22, and memory cell is connected with control unit, control unit is used for setting the phase rotation angle value that makes the systematic function optimum according to actual operation parameters, and memory cell is used to store the phase rotation angle value of being set by control unit (first angle or second angle) and reads for first rotary unit 21 or second rotary unit 22.In order to satisfy between antenna power-balance between data power balance and stream, the condition that present embodiment first angle should satisfy illustrates at the data processing method embodiment that aforementioned the present invention is used for mixed networking, repeats no more.
Figure 10 is the structural representation of mapping block second embodiment of the present invention.As shown in figure 10, the present embodiment mapping block comprises first rotary unit 21, second rotary unit 22, the 3rd rotary unit 23, the 4th rotary unit 24, second arithmetic element 32 and second power cell 42.Wherein, first rotary unit 21 is connected with second input unit 15 of processing module, is used for first angle of setting the second input data that second input unit 15 sends being carried out the phase place rotation, obtains the postrotational second input data.The 3rd rotary unit 23 is connected with first input unit 14 of processing module, is used for the third angle degree of setting the first input data that first input unit 14 sends being carried out the phase place rotation, obtains the postrotational first input data.Second arithmetic element 32 is connected with the 3rd rotary unit 23 with first rotary unit 21 respectively, be used for to import data and importing data from postrotational second of first rotary unit 21 adding computing respectively and subtracting computing from postrotational first of the 3rd rotary unit 23, the postrotational first input data and the second input data sum obtain and data, and the difference of the postrotational first input data and the second input data obtains difference data.Second rotary unit 22 is connected with second arithmetic element 32, is used for second angle of setting described difference data being carried out the phase place rotation, obtains postrotational difference data.The 4th rotary unit 24 is connected with second arithmetic element 32, is used for the 4th angle of setting described and data being carried out the phase place rotation, obtains postrotational and data.Second power cell 42 is connected with the 4th rotary unit 24 with second rotary unit 22 respectively, be used for second phase data of second rotary unit, 22 transmissions and the 4th phase data of the 4th rotary unit 24 transmissions are carried out the power normalization processing, obtain being carried on first dateout and second dateout on the radio-frequency channel, and send to sending module.
Equally, the described phase place rotation of present embodiment is the constant phase place rotation of a kind of amplitude.First rotary unit 21, second rotary unit 22, the 3rd rotary unit 23 also are connected with a memory cell respectively with the 4th rotary unit 24, and memory cell is connected with control unit, control unit is used for setting the phase rotation angle value that makes the systematic function optimum according to actual operation parameters, memory cell is used to store the phase rotation angle value of being set by control unit, reads for each rotary unit.In order to satisfy between antenna power-balance between data power balance and stream, the condition that present embodiment first angle and third angle degree should satisfy illustrates at the data processing method embodiment that aforementioned the present invention is used for mixed networking, repeats no more.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.