CN103378890B - The port mapping method of a kind of array antenna and this array antenna port - Google Patents
The port mapping method of a kind of array antenna and this array antenna port Download PDFInfo
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- CN103378890B CN103378890B CN201210123253.9A CN201210123253A CN103378890B CN 103378890 B CN103378890 B CN 103378890B CN 201210123253 A CN201210123253 A CN 201210123253A CN 103378890 B CN103378890 B CN 103378890B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention provides port mapping method and the array antenna port of a kind of array antenna, wherein, the method comprises the following steps: A, replicates the first port data after precoding processing and the second port data respectively, wherein, the first port data and the second port data are respectively copied into N circuit-switched data；Wherein, N is the integer more than or equal to 3；B, the N circuit-switched data of described first port is assigned in the first mapping antenna sets of same polarised direction spaced pairs on corresponding antenna；The N circuit-switched data of described second port is assigned in the second mapping antenna sets of another same polarised direction spaced pairs on corresponding antenna；C, the data being assigned on antenna each in step B are multiplied by identical coefficient, are then delivered to the data processing channel that each antenna is corresponding, and are launched by respective antenna.The present invention compares broadcast weight value port mapping mode to be had and does not loses ERP, covers uniform advantage.
Description
Technical field
The present invention relates to Long Term Evolution (Long Term Evolution, LTE) and evolution version LTE
Descending multiple-input and multiple-output lift-off technology in (Advanced, LTE-A) wireless communication system, particularly to
In a kind of time division duplex (Time Division Duplex, TDD)-LTE system, downlink physical port signal is to many
Physical antenna mapping techniques.
Background technology
At third generation partner program (The 3rd Generation Partnership Project, 3GPP)
Chapter 6 downlink (6.Downlink) in LTE PHY TS36.211 agreement, downlink physical is believed
In road processing procedure, downlink data through layer map (Layer mapper), precoding (Precoding),
After physical resource maps (Resource element mapper), frequency domain data stream is with physical port number (port)
For dimension, in applying due to reality, antenna system is various, how to be mapped to for physical port data in agreement
Different number and type of physical antennas do not retrain.
For TDDLTE, current common configuration is 2 physical ports, 8 physical antennas.Generally use
Broadcast weight value carries out port mapping.Broadcast beam is defined as intelligent antenna array is applied specific amplitude and phase
The antenna pattern that omnidirectional covers or sector covers that position excitation is formed.The purpose of broadcast weight value is to adjust battle array
In row, the amplitude of each array element (antenna element) signal and phase place, make the composite signal that each array element is launched at each
Certain amplitude is met in angle, thus the covering of Formation and characteristics shape.On a kind of array antenna, different width
Degree and phase value, can obtain different angles and cover；By adjusting broadcast weight value, smart antenna can synthesize
3dB width is 30 °, 65 °, the broadcast directional diagram of 90 °.
Such as, Huawei Tech Co., Ltd's Huang sunshine invention of Application No. 201010261173.0 is " a kind of
OFDM multi-antenna mapping method and device ", and the Datang Mobile of Application No. 200910077662.8 is logical
" a kind of method for generating broadcast weight value and the device " of the invention such as the letter equipment company limited Cai Yue people, introduces respectively
Not peer broadcast weights and traditional broadcast weights mapping scheme.
But, the unit 8 that said method is more than 0.5 times of wavelength for array element distance, 3dB width is 65 °
Dual-polarized array, during two-port configuration, is hardly formed a stable broadcast right that 3dB width is 65 °
Value, so for this antenna form, needing to design the most satisfied port mapping covering and requiring.
Summary of the invention
In order to solve the problems referred to above, the present invention provides port mapping method and this array sky of a kind of array antenna
Line cap, compare broadcast weight value port mapping mode have do not lose ERP, cover the most excellent
Point.
The port mapping method of the present invention, comprises the following steps:
A, the first port data after precoding processing and the second port data are replicated respectively,
Wherein, the first port data and the second port data are respectively copied into N circuit-switched data；Wherein, N is for being more than
In the integer of 3；
B, the N circuit-switched data of the first port is assigned to same polarised direction spaced pairs first mapping antenna
In group on corresponding antenna；The N circuit-switched data of the second port is assigned to same polarised direction spaced pairs
In second mapping antenna sets on corresponding antenna；
C, the data being assigned on antenna each in step B are multiplied by identical coefficient, are then delivered to each antenna
Corresponding data processing channel, and launched by respective antenna.
Wherein, in described step B, same polarised direction spaced pairs refers to, is the sky of 2N at sum
In line, it is 1 to N by the antenna number of the first polarised direction, by the antenna number of the second polarised direction is
N+1 to 2N, and the antenna of the first polarised direction is divided into odd number group and even number set, by the second polarised direction
Antenna be divided into odd number group and even number set；By the odd number group of the first polarised direction antenna and the second polarised direction sky
The even number set of line is composed of the first mapping antenna sets；By the even number set of the first polarised direction antenna and the second pole
The odd number group changing directional aerial is composed of the second mapping antenna sets.
The port of the array antenna of the present invention, including the first port and the second port, described first port, incites somebody to action
The first port data after precoding processing is copied into N circuit-switched data, is assigned to same polarised direction
In first mapping antenna sets of spaced pairs on corresponding antenna, the data that each antenna is assigned to are multiplied by identical
Coefficient, be sent to the data processing channel that each antenna is corresponding, launched by respective antenna；Wherein, N is
Integer more than or equal to 3；Described second port, by multiple to the second port data after precoding processing
Make N circuit-switched data, be assigned in the second mapping antenna sets of another same polarised direction spaced pairs corresponding
Antenna on, the data that each antenna is assigned to are multiplied by identical coefficient, are sent to the data that each antenna is corresponding
Treatment channel, is launched by respective antenna.
The invention has the beneficial effects as follows: according to the port mapping method of array antenna and this array sky of the present invention
Line cap, can solve two-port data at antenna distance more than 0.5 wavelength, unit horizontal 3dB wave beam width
Spend the requirement of the coverings such as narrower unit 8 dual-polarized array, compare broadcast weight value port mapping mode and have not
Lose ERP, cover uniform advantage.
Accompanying drawing explanation
Fig. 1 is the unit 8 double polarization array antenna schematic diagram of the use of the embodiment of the present invention；
Fig. 2 is the schematic diagram that the port of the embodiment of the present invention maps mutually with physical antenna.
Detailed description of the invention
Hereinafter, port mapping method and this array of the array antenna of the present invention is described in detail with reference to accompanying drawing 1～2
Antenna port.
The port mapping method of the array antenna of the present invention, comprises the following steps:
100, the first port data after precoding processing and the second port data are replicated respectively,
Wherein, the first port data and the second port data are respectively copied into N circuit-switched data；Wherein, N is for being more than
In the integer of 3；
Wherein, the many physical ports of down channel during port is LTE or LTE-A wireless communication system.
Wherein, precoding processing is to obtain according to downlink processing in 3GPPTS36.211 agreement.
200, the N circuit-switched data of described first port is assigned to the first of same polarised direction spaced pairs reflect
Penetrate in antenna sets on corresponding antenna；The N circuit-switched data of described second port is assigned to another same polarization
In second mapping antenna sets of direction spaced pairs on corresponding antenna；
Wherein, same polarised direction spaced pairs refers to, in the antenna that sum is 2N, polarizes first
The antenna number in direction is 1 to N, is N+1 to 2N by the antenna number of the second polarised direction, and by
The antenna of one polarised direction is divided into odd number group and even number set, the antenna of the second polarised direction is divided into odd number group and
Even number set；The even number set of the odd number group of the first polarised direction antenna with the second polarised direction antenna is composed of
First maps antenna sets；Odd number group by the even number set of the first polarised direction antenna Yu the second polarised direction antenna
It is composed of the second mapping antenna sets.
300, the data being assigned on antenna each in step 200 are multiplied by identical coefficient, are then delivered to each
The data processing channel that antenna is corresponding, and launched by respective antenna.
Above-mentioned first port data is 3GPPTS36.211 agreement middle port 0, and the second port data is 3GPP
TS36.211 agreement middle port 1；Or the first port data is 3GPPTS36.211 agreement middle port 1,
Second port data is 3GPPTS36.211 agreement middle port 0.
The array antenna port of the present invention, including the first port and the second port.
Wherein, the first port, the first port data after precoding processing will be copied into N way
According to, it is assigned in the first mapping antenna sets of same polarised direction spaced pairs on corresponding antenna, each antenna
On the data that are assigned to be multiplied by identical coefficient, be sent to the data processing channel that each antenna is corresponding, by phase
Antenna is answered to launch；Wherein, N is the integer more than or equal to 3.Second port, will be to through precoding processing
After the second port data be copied into N circuit-switched data, be assigned to the of another same polarised direction spaced pairs
Two map in antenna sets on corresponding antenna, and the data that each antenna is assigned to are multiplied by identical coefficient, are sent
To the data processing channel that each antenna is corresponding, launched by respective antenna.
Same polarised direction spaced pairs refers to, in the antenna that sum is 2N, by the first polarised direction
Antenna number is 1 to N, is N+1 to 2N by the antenna number of the second polarised direction, and polarizes first
The antenna in direction is divided into odd number group and even number set, and the antenna of the second polarised direction is divided into odd number group and even number
Group；The even number set of the odd number group of the first polarised direction antenna Yu the second polarised direction antenna is composed of first
Map antenna sets；Odd number group pairing by the even number set of the first polarised direction antenna with the second polarised direction antenna
Composition the second mapping antenna sets.
The port of the present invention is Long Term Evolution LTE or in evolution version Long Term Evolution LTE-A wireless communication system
The many physical ports of down channel.
Embodiment
Fig. 1 is the unit 8 double polarization array antenna schematic diagram of the embodiment of the present invention.Dwi hastasana according to Fig. 1
Antenna is numbered by formula, and number order is as shown in Figure 1.A kind of four antenna numbers of polarised direction are 1,
2、3、4；Another kind of four antenna numbers of polarised direction are 5,6,7,8.
Specifically, with TDD-LTE Physical Downlink Shared Channel (Physical Downlink Shared
Channel, PDSCH) two-port transmission mode be TM3 business launch as a example by, the method bag of the present invention
Include following steps:
Step 100 ': to through the port 0 of precoding processing and the PDSCHTM3 double-current signal of port 1
S1 and S2 carries out data duplication respectively, each duplication four tunnels, respectively obtains [S1 S1 S1 S1]T,
[S2 S2 S2 S2]T, wherein []TOperate for transposition.
The duplication signal that step 200 ': by step 100 ' obtains is mapped with physical antenna numbering respectively, will
Four circuit-switched data [S1 S1 S1 S1] of port 0TCorresponding with four antennas of numbered 1,3,6,8；Will
Four circuit-switched data [the S2 S2 S2 S2 of port 1TCorresponding with four antennas of numbered 2,4,5,7,
Arrive: [S11 S13 S16 S18]T[S22 S24 S25 S27]T；
Step 300 ': by step 200 ' obtain [S11 S13 S16 S18]T[S22 S24 S25 S27]TAll take advantage of
With predetermined coefficient, such as 1, so S11=S13=S16=S18=S1, S22=S24=S25=S27=S2 is daily
Line is combined obtaining: S=[S1 S2 S1 S2 S2 S1 S2 S1]T, S is sent to by respective antenna
The data that each physical antenna is corresponding process path, launch eventually through respective antenna.
In sum, according to the port mapping method of array antenna and this array antenna port of the present invention, can
To solve two-port data at antenna distance more than 0.5 wavelength, unit horizontal 3dB beam angle narrower 8
The requirement that unit dual-polarized array etc. cover, compares broadcast weight value port mapping mode and has not lose and effectively send out
Penetrate power, cover uniform advantage.
Be above to make those of ordinary skill in the art understand the present invention, and the present invention is carried out detailed
Describe, however, it is contemplated that can also be made it in the range of the claim without departing from the present invention is contained
Changing and modifications of it, these change and modifications the most within the scope of the present invention.
Claims (8)
1. the port mapping method of an array antenna, it is characterised in that comprise the following steps:
A, the first port data after precoding processing and the second port data are replicated respectively,
Wherein, the first port data and the second port data are respectively copied into N circuit-switched data；Wherein, N is for being more than
In the integer of 3；
B, the N circuit-switched data of the first port is assigned to same polarised direction spaced pairs first mapping antenna
In group on corresponding antenna；The N circuit-switched data of the second port is assigned to another same polarised direction interval join
To the second mapping antenna sets on corresponding antenna；
C, the data being assigned on antenna each in step B are multiplied by identical coefficient, are then delivered to each antenna
Corresponding data processing channel, and launched by respective antenna；
Wherein, in described step B, described same polarised direction spaced pairs refers to, is 2N at sum
Antenna in, be 1 to N by the antenna number of the first polarised direction, by the antenna number of the second polarised direction
For N+1 to 2N, and the antenna of the first polarised direction is divided into odd number group and even number set, by the second polarization side
To antenna be divided into odd number group and even number set；By the odd number group of the first polarised direction antenna and the second polarised direction
The even number set of antenna is composed of the first mapping antenna sets；Even number set and second by the first polarised direction antenna
The odd number group of polarised direction antenna is composed of the second mapping antenna sets.
2. the method for claim 1, it is characterised in that described first port and the second port are
The many physical ports of down channel in Long Term Evolution LTE or evolution version Long Term Evolution LTE-A wireless communication system.
3. method as claimed in claim 2, it is characterised in that described precoding processing is according to the 3rd
Carry out downlink processing for partner program 3GPP TS36.211 agreement to obtain.
4. method as claimed in claim 2, it is characterised in that described first port is 3GPP TS36.211
Agreement middle port 0, described second port is 3GPP TS36.211 agreement middle port 1.
5. method as claimed in claim 2, it is characterised in that described first port is 3GPP TS36.211
Agreement middle port 1, described second port is 3GPP TS36.211 agreement middle port 0.
6. an array antenna port, it is characterised in that include the first port and the second port,
Described first port, will be copied into N circuit-switched data to the first port data after precoding processing,
It is assigned in the first mapping antenna sets of same polarised direction spaced pairs on corresponding antenna, on each antenna point
The data being fitted on are multiplied by identical coefficient, are sent to the data processing channel that each antenna is corresponding, by corresponding sky
Line is launched；Wherein, N is the integer more than or equal to 3；
Described second port, will be copied into N circuit-switched data to the second port data after precoding processing,
It is assigned in the second mapping antenna sets of another same polarised direction spaced pairs on corresponding antenna, each antenna
On the data that are assigned to be multiplied by identical coefficient, be sent to the data processing channel that each antenna is corresponding, by phase
Antenna is answered to launch；
Wherein, described same polarised direction spaced pairs refers to, in the antenna that sum is 2N, by first
The antenna number of polarised direction is 1 to N, is N+1 to 2N by the antenna number of the second polarised direction, and
The antenna of the first polarised direction is divided into odd number group and even number set, the antenna of the second polarised direction is divided into odd number
Group and even number set；Even number set pairing by the odd number group of the first polarised direction antenna with the second polarised direction antenna
Composition the first mapping antenna sets；Strange by the even number set of the first polarised direction antenna and the second polarised direction antenna
Array is composed of the second mapping antenna sets.
7. array antenna port as claimed in claim 6, it is characterised in that described first port and the
Two-port netwerk be Long Term Evolution LTE or in evolution version Long Term Evolution LTE-A wireless communication system down channel many
Physical port.
8. array antenna port as claimed in claim 7, it is characterised in that described first port is 3GPP
TS36.211 agreement middle port 0, described second port is 3GPP TS36.211 agreement middle port 1；Or,
Described first port is 3GPP TS36.211 agreement middle port 1, and described second port is 3GPP TS36.211
Agreement middle port 0.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210123253.9A CN103378890B (en) | 2012-04-24 | 2012-04-24 | The port mapping method of a kind of array antenna and this array antenna port |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210123253.9A CN103378890B (en) | 2012-04-24 | 2012-04-24 | The port mapping method of a kind of array antenna and this array antenna port |
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| CN103378890A CN103378890A (en) | 2013-10-30 |
| CN103378890B true CN103378890B (en) | 2016-12-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106465147B (en) * | 2014-05-19 | 2019-11-26 | 华为技术有限公司 | A kind of communication equipment and communication means |
| CN105227223B (en) * | 2015-08-31 | 2019-01-11 | 上海华为技术有限公司 | A kind of signaling method and device for multiple antennas |
| EP3553962B1 (en) * | 2016-12-23 | 2021-07-28 | Huawei Technologies Co., Ltd. | Signal transmission method and base station |
| CN108988913B (en) | 2017-05-31 | 2019-10-25 | 华为技术有限公司 | A kind of antenna terminal mapping method and the network equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282468A (en) * | 1997-10-20 | 2001-01-31 | 艾利森公司 | A transmitter that selectively polarizes radio wave |
| CN101061606A (en) * | 2004-11-18 | 2007-10-24 | 艾格瑞系统有限公司 | Antenna arrangement for multi-input multi-output wireless local area network |
| WO2011103919A1 (en) * | 2010-02-25 | 2011-09-01 | Telefonaktiebolaget L M Ericsson (Publ) | A communication system node comprising a re-configuration network |
| CN102273115A (en) * | 2009-01-07 | 2011-12-07 | 松下电器产业株式会社 | Wireless communication device, wireless communication system, and wireless communication method |
-
2012
- 2012-04-24 CN CN201210123253.9A patent/CN103378890B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282468A (en) * | 1997-10-20 | 2001-01-31 | 艾利森公司 | A transmitter that selectively polarizes radio wave |
| CN101061606A (en) * | 2004-11-18 | 2007-10-24 | 艾格瑞系统有限公司 | Antenna arrangement for multi-input multi-output wireless local area network |
| CN102273115A (en) * | 2009-01-07 | 2011-12-07 | 松下电器产业株式会社 | Wireless communication device, wireless communication system, and wireless communication method |
| WO2011103919A1 (en) * | 2010-02-25 | 2011-09-01 | Telefonaktiebolaget L M Ericsson (Publ) | A communication system node comprising a re-configuration network |
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