CN102655261A - Antenna system and wireless communication system - Google Patents
Antenna system and wireless communication system Download PDFInfo
- Publication number
- CN102655261A CN102655261A CN2011100500259A CN201110050025A CN102655261A CN 102655261 A CN102655261 A CN 102655261A CN 2011100500259 A CN2011100500259 A CN 2011100500259A CN 201110050025 A CN201110050025 A CN 201110050025A CN 102655261 A CN102655261 A CN 102655261A
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- antenna
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- antenna system
- wireless communication
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
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Abstract
The embodiment of the invention provides an antenna system and a wireless communication system. The antenna system comprises more than two accesses, wherein each access comprises more than two antenna arrays which are arranged on the same plane, rear ends of the at least two antenna arrays are connected with a power synchronizer, and signals respectively received by the at least two antenna arrays are mixed through the power synchronizer. According to the embodiment of the invention, each access comprises at least two antenna arrays, and rear ends of the at least two antenna arrays are connected with the power synchronizer, because the possibility that frequency selectivity deep fading is caused in the signals received by different antenna arrays is very small, the quality of the received signals can be enhanced, thus the system property of the wireless communication system is improved.
Description
Technical field
The embodiment of the invention relates to the communication technology, relates in particular to a kind of antenna system and wireless communication system.
Background technology
Wireless communication system is through adopting multi-antenna technology, for example: multiple-input and multiple-output (Multiple-Input Multiple-Output is called for short MIMO) technology, can suppress the multipath fading of channel.With the MIMO technology is example, and the MIMO technology is to place a plurality of antennas respectively at transmitting terminal and receiving terminal to be used for transmitting-receiving, suppresses channel fading with many antennas.MIMO technology starting point is that multiple transmit antennas is combined with multiple receive antenna, under the situation that does not increase system bandwidth, significantly improves the capability of communication system and the availability of frequency spectrum, improves the reliability of channel simultaneously, reduces the error rate.The MIMO technology can be utilized multipath component in the propagation to a certain extent, that is to say that MIMO can decline by anti-multipath, but for the frequency selectivity deep fade, the MIMO technology can't suppress then.
But for the frequency selectivity deep fade of channel, adopt the wireless communication system of MIMO technology then can't suppress, make the signal quality that receives reduce, thereby caused the decline of systematic function.
Summary of the invention
The embodiment of the invention provides a kind of antenna system and wireless communication system, to improve the systematic function of wireless communication system.
The embodiment of the invention provides a kind of antenna system; Said antenna system comprises at least two paths; Wherein, each path comprises at least two antenna a period of time, and said at least two antenna a period of time are on same plane; The rear end in said at least two antenna a period of time connects power combiner, and the signal that said at least two antenna a period of time receive separately merges through said power combiner.
The embodiment of the invention provides a kind of wireless communication system again, comprises above-mentioned antenna system.
Can know by technique scheme; The embodiment of the invention comprises at least two antenna a period of time through each path; And the rear end in these at least two antenna a period of time connects power combiner; Because the signal that different antennae a period of time the receives while possibility of occurrence frequency selectivity deep fade is very little, thus the signal quality that receives can be improved, thus improved the systematic function of wireless communication system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
One structural representation of the antenna system that Fig. 1 provides for the embodiment of the invention;
An antenna pattern in antenna a period of time in the antenna system that Fig. 2 provides for the embodiment of the invention;
Another antenna pattern in antenna a period of time in the antenna system that Fig. 3 provides for the embodiment of the invention;
One of antenna a period of time is provided with sketch map in the antenna system that Fig. 4 provides for the embodiment of the invention;
Another of antenna a period of time is provided with sketch map in the antenna system that Fig. 5 provides for the embodiment of the invention;
Antenna a period of time one is provided with sketch map again in the antenna system that Fig. 6 provides for the embodiment of the invention;
The another sketch map that is provided with in antenna a period of time in the antenna system that Fig. 7 provides for the embodiment of the invention;
The sketch map that is connected of antenna a period of time and power combiner in the antenna system that Fig. 8 provides for the embodiment of the invention;
Another structural representation of the antenna system that Fig. 9 provides for the embodiment of the invention;
The sketch map that is connected of antenna a period of time and power divider in the antenna system that Figure 10 provides for the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
One structural representation of the antenna system that Fig. 1 provides for the embodiment of the invention; As shown in Figure 1; The antenna system of present embodiment can comprise at least two paths, and wherein, each path can comprise at least two antenna a period of time 10; The rear end at least two antenna a period of time 10 connects power combiner 20, and the signal that at least two antenna a period of time 10 receive separately merges through power combiner 20.In the process that receives signal, can reduce the probability that deep fade takes place through at least two antenna a period of time 10, thereby improve the quality of signals that receives.Wherein, at least two antenna a period of time 10 are linear polarized antenna a period of time, and its radiation direction can be the directed radiation direction, and its directional diagram can be as shown in Figure 2, perhaps can also be the omnidirectional radiation direction, and its directional diagram can be as shown in Figure 3.
Wherein, power combiner 20 can be components and parts independently, perhaps can also be the functional circuit on the printed circuit board (PCB) (Printed Circuit Board is called for short PCB).
Particularly, at least two of each path antenna a period of time 10 can be arranged on (like Fig. 4 and shown in Figure 5) on the same horizontal plane; At least two antenna a period of time 10 of different paths can be arranged on (as shown in Figure 6) on the same horizontal plane, and at least two antenna a period of time 10 of different paths also can be arranged on (as shown in Figure 7) on the different level.
Particularly, at least two antenna a period of time 10 specifically can be passed through coaxial cable (as shown in Figure 8) or microstrip line connection power combiner 20.
Further, as shown in Figure 9, the rear end at least two antenna a period of time 10 in the present embodiment can also further connect power divider 30, and the signal of input Power Distribution device 30 is assigned at least two antenna a period of time 10 through power divider 30 and sends.In the process that transmits, can strengthen the directivity of the signal of emission through the phase difference that brings between at least two antenna a period of time 10, thereby improve the quality of signals of emission.Wherein, power divider 30 can be components and parts independently, perhaps can also be the functional circuit on the PCB.
Particularly, at least two antenna a period of time 10 specifically can be passed through coaxial cable (shown in figure 10) or microstrip line connection power divider 30.
In the present embodiment, power divider 30 can be provided with separately with power combiner 20, can also integrated setting.
Further, in the present embodiment, each path can further include parasitic element, is used for being optimized through the performance at least two antenna a period of time 10 such as the technology that reflects, guides into.
In the present embodiment; Comprise at least two antenna a period of time through each path; And the rear end in these at least two antenna a period of time connects power combiner; Because the signal that different antennae a period of time the receives while possibility of occurrence frequency selectivity deep fade is very little, thus the signal quality that receives can be improved, thus improved the systematic function of wireless communication system.
The embodiment of the invention can also provide a kind of wireless communication system, comprises the antenna system that the invention described above embodiment provides.
The wireless communication system that the embodiment of the invention provides can include but not limited to multiple-input and multiple-output (Multiple-Input Multiple-Output is called for short MIMO) system or beam forming (Beamforming) system.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (11)
1. antenna system; Said antenna system comprises at least two paths; It is characterized in that each path comprises at least two antenna a period of time, and said at least two antenna a period of time are on same plane; The rear end in said at least two antenna a period of time connects power combiner, and the signal that said at least two antenna a period of time receive separately merges through said power combiner.
2. antenna system according to claim 1 is characterized in that, said power combiner is the functional circuit on components and parts or the PCB independently.
3. antenna system according to claim 1 is characterized in that, said at least two antenna a period of time connect said power combiner through coaxial cable or microstrip line.
4. antenna system according to claim 1; It is characterized in that; The rear end in said at least two antenna a period of time also connects power divider, and the signal of importing said power divider is assigned to said at least two concurrent sending of antenna a period of time through said power divider.
5. antenna system according to claim 4 is characterized in that, said power divider is the functional circuit on components and parts or the PCB independently.
6. antenna system according to claim 4 is characterized in that, said at least two antenna a period of time connect said power divider through coaxial cable or microstrip line.
7. antenna system according to claim 4 is characterized in that, said power divider and said power combiner are provided with separately or integrated setting.
8. according to the described antenna system of the arbitrary claim of claim 1 to 7, it is characterized in that said at least two antenna a period of time are linear polarized antenna a period of time.
9. according to the described antenna system of the arbitrary claim of claim 1 to 7, it is characterized in that the radiation direction in said at least two antenna a period of time comprises directed radiation direction or omnidirectional radiation direction.
10. according to the described antenna system of the arbitrary claim of claim 1 to 7, it is characterized in that said each path also comprises parasitic element, be used for the performance in said at least two antenna a period of time is optimized.
11. a wireless communication system is characterized in that, comprises the described antenna system of the arbitrary claim of claim 1 to 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100500259A CN102655261A (en) | 2011-03-02 | 2011-03-02 | Antenna system and wireless communication system |
| PCT/CN2011/081507 WO2012116550A1 (en) | 2011-03-02 | 2011-10-28 | Antenna system and wireless communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100500259A CN102655261A (en) | 2011-03-02 | 2011-03-02 | Antenna system and wireless communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102655261A true CN102655261A (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100500259A Pending CN102655261A (en) | 2011-03-02 | 2011-03-02 | Antenna system and wireless communication system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102655261A (en) |
| WO (1) | WO2012116550A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388720Y (en) * | 1999-07-30 | 2000-07-19 | 深圳市中兴通讯股份有限公司 | Multi-beam forming network system |
| CN1669244A (en) * | 2002-07-11 | 2005-09-14 | 皇家飞利浦电子股份有限公司 | Improvements in or relating to multiple transmission channel wireless communication systems |
| US20050277398A1 (en) * | 2004-06-15 | 2005-12-15 | Lg Electronics Inc. | Mobile terminal having satellite signal receiving antenna |
| CN1755986A (en) * | 2004-09-30 | 2006-04-05 | 北京信威通信技术股份有限公司 | Dual-polarization panel-shaped antenna used in TD-SCDMA system |
| CN101635391A (en) * | 2008-07-24 | 2010-01-27 | 中兴通讯股份有限公司 | Antenna array supporting MIMO and intelligent antenna technology |
-
2011
- 2011-03-02 CN CN2011100500259A patent/CN102655261A/en active Pending
- 2011-10-28 WO PCT/CN2011/081507 patent/WO2012116550A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388720Y (en) * | 1999-07-30 | 2000-07-19 | 深圳市中兴通讯股份有限公司 | Multi-beam forming network system |
| CN1669244A (en) * | 2002-07-11 | 2005-09-14 | 皇家飞利浦电子股份有限公司 | Improvements in or relating to multiple transmission channel wireless communication systems |
| US20050277398A1 (en) * | 2004-06-15 | 2005-12-15 | Lg Electronics Inc. | Mobile terminal having satellite signal receiving antenna |
| CN1755986A (en) * | 2004-09-30 | 2006-04-05 | 北京信威通信技术股份有限公司 | Dual-polarization panel-shaped antenna used in TD-SCDMA system |
| CN101635391A (en) * | 2008-07-24 | 2010-01-27 | 中兴通讯股份有限公司 | Antenna array supporting MIMO and intelligent antenna technology |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012116550A1 (en) | 2012-09-07 |
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Application publication date: 20120905 |