CN101577364A - Antenna unit - Google Patents
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- CN101577364A CN101577364A CNA2008100953670A CN200810095367A CN101577364A CN 101577364 A CN101577364 A CN 101577364A CN A2008100953670 A CNA2008100953670 A CN A2008100953670A CN 200810095367 A CN200810095367 A CN 200810095367A CN 101577364 A CN101577364 A CN 101577364A
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Abstract
The invention relates to an antenna unit which comprises a basal plate, a first grounding part, a second grounding part, a first radiation part and a second radiation part, wherein the basal plate is provided with a surface, a grounding face formed on the surface as well as a first feed-in point and a second feed-in part which are formed on the surface; the first grounding part extends outwards from a first end of the grounding face; the shape of the second grounding part is similar to that of the first grounding part, and the second grounding part extends towards a direction opposite to the first grounding part from the first end of the grounding face. The invention can achieve a diversity effect by the first grounding part and the first radiation part as well as the second grounding part and the second radiation part, thereby being capable of reducing the situation of a bad signal caused by the multi-path effect to a large extent and increasing the effectiveness of the whole antenna.
Description
Technical field
The invention relates to a kind of antenna assembly, be meant that especially the many Antenna Design of a kind of employing are to reach the antenna assembly of diversity (Diversity) effect.
Background technology
WiMAX is the technology that develops like a raging firely at present, and its maximum transfer speed can reach 75Mbit/ second, is tens of times of passing wireless transmission speed, and its maximum transmission distance can reach 50km, therefore can reduce building of base station and put, and saves the cost of wireless network.
Because its transmission range is longer, so the building that unavoidably has in the problem, particularly city that multi-path disturbs is numerous, the problem that multi-path disturbs is also just more serious.
Summary of the invention
Therefore, purpose of the present invention just provides a kind of WiMAX of being applied to and solves the antenna assembly of the problem that multi-path disturbs.
So antenna assembly of the present invention comprises a substrate, one first grounding parts, one second grounding parts, one first Department of Radiation and one second Department of Radiation.
Substrate has a surface, be formed on a ground plane on this surface, be formed on one first load point and one second load point on this surface.
First grounding parts is that one first end by this ground plane stretches out.
The shape size of second grounding parts is similar in appearance to this first grounding parts, and extended toward the direction in contrast to this first grounding parts by first end of this ground plane.
First Department of Radiation be with this first grounding parts separately, and energy is coupled to this first grounding parts so that both are operated in a special frequency channel, and the one end links to each other with this first load point.
The shape size of second Department of Radiation is similar in appearance to this first Department of Radiation, and with this second grounding parts separately, and energy is coupled to this second grounding parts so that both are operated in this special frequency channel, and the one end links to each other with this second load point; This second Department of Radiation and this first Department of Radiation by this ground plane the interval.Effect of the present invention is to reach the effect that " second grounding parts+second Department of Radiation " reaches diversity by " first grounding parts+first Department of Radiation ", so can significantly reduce the bad situation of multi-path signal that effect causes, increase the usefulness of integrated antenna, reach purpose of the present invention.
Description of drawings
Fig. 1 illustrates the vertical view of structure of the antenna assembly of first preferred embodiment of the present invention;
Fig. 2 illustrates the partial enlarged drawing of structure of the antenna assembly of first preferred embodiment of the present invention;
Fig. 3 illustrates the measurement result figure of isolation of the antenna assembly of first preferred embodiment of the present invention;
Fig. 4 illustrates the measurement result figure of voltage standing wave ratio of the antenna assembly of first preferred embodiment of the present invention, wherein, (a) curve is the voltage standing wave ratio that " first grounding parts+first Department of Radiation " measures, and (b) curve then is the voltage standing wave ratio that " second grounding parts+second Department of Radiation " measures;
Fig. 5 illustrates " first grounding parts+first Department of Radiation " of antenna assembly of first preferred embodiment of the present invention at the radiation pattern figure of 3300MHz;
Fig. 6 illustrates " first grounding parts+first Department of Radiation " of antenna assembly of first preferred embodiment of the present invention at the radiation pattern figure of 3500MHz;
Fig. 7 illustrates " first grounding parts+first Department of Radiation " of antenna assembly of first preferred embodiment of the present invention at the radiation pattern figure of 3700MHz;
Fig. 8 illustrates " second grounding parts+second Department of Radiation " of antenna assembly of first preferred embodiment of the present invention at the radiation pattern figure of 3300MHz;
Fig. 9 illustrates " second grounding parts+second Department of Radiation " of antenna assembly of first preferred embodiment of the present invention at the radiation pattern figure of 3500MHz;
Figure 10 illustrates " second grounding parts+second Department of Radiation " of antenna assembly of first preferred embodiment of the present invention at the radiation pattern figure of 3700MHz;
Figure 11 illustrates the stereogram of structure of the antenna assembly of second preferred embodiment of the present invention;
Figure 12 illustrates the correlation field pattern figure of the antenna assembly of second preferred embodiment of the present invention at 2500MHz;
Figure 13 illustrates the correlation field pattern figure of the antenna assembly of second preferred embodiment of the present invention at 3500MHz;
Figure 14 illustrates the measurement result figure of voltage standing wave ratio of the antenna assembly of second preferred embodiment of the present invention, wherein, (a) curve is the voltage standing wave ratio that " first grounding parts+first Department of Radiation " measures, and (b) curve then is the voltage standing wave ratio that " second grounding parts+second Department of Radiation " measures;
Figure 15 illustrates " first grounding parts+first Department of Radiation " of antenna assembly of second preferred embodiment of the present invention at the radiation pattern figure of 2500MHz;
Figure 16 illustrates " first grounding parts+first Department of Radiation " of antenna assembly of second preferred embodiment of the present invention at the radiation pattern figure of 3500MHz;
Figure 17 illustrates " second grounding parts+second Department of Radiation " of antenna assembly of second preferred embodiment of the present invention at the radiation pattern figure of 2500MHz;
Figure 18 illustrates " second grounding parts+second Department of Radiation " of antenna assembly of second preferred embodiment of the present invention at the radiation pattern figure of 3500MHz;
Figure 19 first grounding parts of antenna assembly of second preferred embodiment of the present invention and second grounding parts be shown another implement the schematic diagram of aspect;
Figure 20 first Department of Radiation of antenna assembly of second preferred embodiment of the present invention and second Department of Radiation be shown another implement the schematic diagram of aspect;
Figure 21 first Department of Radiation of antenna assembly of second preferred embodiment of the present invention and second Department of Radiation be shown another implement the schematic diagram of aspect;
Figure 22 first Department of Radiation of antenna assembly of second preferred embodiment of the present invention and second Department of Radiation be shown another implement the schematic diagram of aspect;
Figure 23 first Department of Radiation of antenna assembly of second preferred embodiment of the present invention and second Department of Radiation be shown another implement the schematic diagram of aspect;
The 3 D stereo that Figure 24 illustrates the antenna assembly of second preferred embodiment of the present invention is implemented the stereogram of aspect;
The 3 D stereo that Figure 25 illustrates the antenna assembly of second preferred embodiment of the present invention is implemented the stereogram of aspect; And
The 3 D stereo that Figure 26 illustrates the antenna assembly of second preferred embodiment of the present invention is implemented the stereogram of aspect.
The main element symbol description
1 substrate
11 surfaces
12 ground planes
121 first ends
13 first load points
14 second load points
2 first grounding parts
21 first ground connection sections
22 second ground connection sections
3 second grounding parts
4 first Departments of Radiation
40 first signal feed-in sections
41 first radiant sections
42 second radiant sections
43 the 3rd radiant sections
48 first slotted eyes
49 first gaps
5 second Departments of Radiation
58 second slotted eyes
59 second gaps
The L straight line
100 substrates
101 surfaces
102 ground planes
1,021 first ends
103 first load points
104 second load points
6 first grounding parts
61 first conductor arms
62 bugle shape conductor block
69 gaps
7 second grounding parts
8 first Departments of Radiation
82 second conductor arms
83 the 3rd conductor arms
9 second Departments of Radiation
99 gaps
The I straight line
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in following cooperation two DETAILED DESCRIPTION OF THE PREFERRED with reference to the accompanying drawings, can clearly present.
Consult Fig. 1 and Fig. 2, Fig. 1 is the approximate dimension sign picture of first preferred embodiment of antenna assembly of the present invention, and Fig. 2 is then amplified primary structure with convenient explanation.And first preferred embodiment of antenna assembly of the present invention is to be applied to circumscribed prefabricated card-inserting devices (as wireless network card) such as Express Card, and primary structure comprises a substrate 1, one first grounding parts 2, one second grounding parts 3, one first Department of Radiation 4 and one second Department of Radiation 5.
First grounding parts, 2 general become to topple over L shaped, be by outside (left) horizontal-extending of one first end 121 (being the top) of ground plane 12, and it is parallel with the general one-tenth of the top margin of substrate 1, and comprise the one first ground connection section 21 that an end links to each other with first end 121 of ground plane 12, and an end and the general one second ground connection section 22 that becomes vertically to link to each other of the other end of the first ground connection section 21.
The shape size of second grounding parts 3 is similar in appearance to first grounding parts 2, and generally become to be symmetrical in by a straight line L with first grounding parts 2 and perpendicular to the plane (figure does not show) of substrate 1, it is first end, 121 past direction (to the right) horizontal-extendings in contrast to first grounding parts 2 by ground plane 12.In addition, the length of second grounding parts 3 slightly is shorter than the length of first grounding parts 2.
First Department of Radiation 4 between first grounding parts 2 and ground plane 12, and with first grounding parts 2, one first gap 49 at interval, and energy is coupled to first grounding parts 2 so that both are operated in a special frequency channel (3300MHz～3800MHz) by first gap 49.The structure of first Department of Radiation 4 comprises general one the 3rd radiant section 43 that becomes vertically to link to each other of the other end of general one second radiant section 42 that becomes vertically to link to each other of the other end, an end and second radiant section 42 of one first signal feed-in section 40 that an end links to each other with first load point 13, one first radiant section 41, an end and first radiant section 41 that an end links to each other with the other end of the first signal feed-in section 40, reaches one first slotted eye 48 that is defined jointly by first radiant section 41, second radiant section 42 and the 3rd radiant section 43.The first signal feed-in section 40 is comparatively narrow and short, mainly in order to be connected to first load point 13; First radiant section, 41 general triangularities, second radiant section 42 and the first ground connection section 21 are general to become parallel, and length is in fact less than 1/8th wavelength of this special frequency channel, and 43 of the 3rd radiant sections are general to become the axe shapes, and first slotted eye 48 is the long and narrow of vertical direction.In addition, the length of the length of first Department of Radiation 4 and first grounding parts 2 is essentially the quarter-wave of this special frequency channel, so both length still has a little difference, it is longer than the length or first grounding parts 2 to be designed to first Department of Radiation 4, so that one be operated in high frequency slightly, another is operated in low frequency slightly.
Second Department of Radiation 5 is between second grounding parts 3 and ground plane 12, its shape size is similar in appearance to first Department of Radiation 4, and generally becomes to be symmetrical in these planes (scheming not show) by straight line L with first Department of Radiation 4, and with one second gap 59, second grounding parts, 3 intervals, (3300MHz～3800MHz), the one end is to link to each other with second load point 14 so that both are operated in special frequency channel by second gap 59 energy to be coupled to second grounding parts 3.Because the structure of second Department of Radiation 5 is similar to first Department of Radiation 4, so its structure is no longer carefully stated, area that it should be noted that second slotted eye 58 of second Department of Radiation 5 is the area (promptly the length of second slotted eye 58 slightly is shorter than the length of first slotted eye 48) that is slightly less than first slotted eye 48 of first Department of Radiation 4.
When designing this antenna, can adjust resonance frequency, perhaps adjust resonance frequency by the length that changes first grounding parts 2, second grounding parts 3 by the size that changes first slotted eye 48, second slotted eye 58; In addition, concerning first grounding parts 2 and first Department of Radiation 4, adjust the width of second radiant section 42 or the width in first gap 49 and then can change the coupling amount that first Department of Radiation 4 is coupled to first grounding parts 2, and the adjustment impedance matching, this mode is suitable for too concerning second grounding parts 3 and second Department of Radiation 5.
And long and first grounding parts 2 design long than second grounding parts 3 than second slotted eye 58 of first slotted eye 48, can reduce the resonance frequency of " the first grounding parts 2+, first Department of Radiation 4 ", make " the first grounding parts 2+, first Department of Radiation 4 " and the resonance frequency of " the second grounding parts 3+, second Department of Radiation 5 " stagger, so that isolation (Isolation) has the advantage of planarization.Figure 3 shows that the isolation that measures figure as a result, by can finding out among the figure, (the isolation curve convergence in the 3300MHz～3800MHz) is smooth, and the isolation in the special frequency channel is good all greater than 18.5dB than standard value 10dB in special frequency channel.1 measurement result that is depicted as isolation of tabulating down.What deserves to be mentioned is, with ground plane 12 at interval the design of first Departments of Radiation 4 and second Department of Radiation 5 also help to improve isolation.
Table 1
| Frequency (MHz) | 3300 | 3400 | 3500 | 3600 | 3700 | 3800 |
| Isolation (dB) | 18.6 | 20.3 | 19.4 | 20.1 | 21.3 | 22.3 |
(a) curve of Fig. 4 is " the first grounding parts 2+, first Department of Radiation 4 " measured voltage standing wave ratio (VSWR), (b) curve is " the second grounding parts 3+, second Department of Radiation 5 " measured voltage standing wave ratio, by finding out among the figure, the voltage standing wave ratio in special frequency channel is all less than 2." the first grounding parts 2+, first Department of Radiation 4 " reaches " the second grounding parts 3+, second Department of Radiation 5 " measured efficient (Efficiency) and maximum gain (Peak Gain) in the special frequency channel and following page table 2 is depicted as, by finding out that maximum gain is all greater than 3dBi in the table.
Fig. 5, Fig. 6, Fig. 7 is respectively " the first grounding parts 2+, first Department of Radiation 4 " at 3300MHz, 3500MHz, the radiation pattern that 3700MHz measures (Radiation Pattern) figure, Fig. 8, Fig. 9, Figure 10 is respectively " the second grounding parts 3+, second Department of Radiation 5 " at 3300MHz, 3500MHz, the radiation pattern figure that 3700MHz measures, by finding out among the figure, " the first grounding parts 2+, first Department of Radiation 4 " reaches " the second grounding parts 3+, second Department of Radiation 5 " both field patterns and is distributed with effect complimentary to one another, this phenomenon quite is the effect of a kind of similar diversity (Diversity), so way can significantly reduce the bad situation of multi-path signal that effect causes, and increases the usefulness of integrated antenna.
Table 2
Figure 11 is second preferred embodiment of antenna assembly of the present invention, be applied to circumscribed prefabricated card-inserting devices (as wireless network card) such as PCMCIA Card, primary structure comprises a substrate 100, one first grounding parts 6, one second grounding parts 7, one first Department of Radiation 8 and one second Department of Radiation 9.Wherein, first grounding parts 6 and second grounding parts 7 generally become to be symmetrical in by a straight line I and perpendicular to the plane (figure does not show) of substrate 100, and first Department of Radiation 8 and second Department of Radiation 9 be also general to become to be symmetrical in this plane.
First grounding parts 6 is bugle (horn) shape, it is outwards (left) extension of one first end 1021 (being the top) by ground plane 102, comprise one first conductor arm 61 that an end links to each other with first end 1021 of ground plane 102, reach the bugle shape conductor block 62 that an end links to each other with the other end of first conductor arm 61.
The shape size of second grounding parts 7 is similar in appearance to first grounding parts 6, and extended toward the directions (to the right) in contrast to first grounding parts 6 by first end 1021 of ground plane 102, because second grounding parts 7 and first grounding parts, 6 both symmetries, so its structure is no longer carefully stated.
First Department of Radiation, 8 general one-tenth T fonts, between first grounding parts 6 and ground plane 102, and with first grounding parts 6 gap 69 at interval, and energy is coupled to first grounding parts 6 so that both are operated in a special frequency channel (2300MHz～3800MHz) by gap 69.More accurately, first Department of Radiation 8 is operated in the high-frequency band of 3300MHz～3800MHz, and first grounding parts 6 is operated in the low frequency frequency range of 2300MHz～2700MHz, and both length is respectively the quarter-wave of each working frequency range in fact.The structure of first Department of Radiation 8 comprises one second conductor arm 82 and one the 3rd conductor arm 83.Second conductor arm, 82 general rectangularity strips, the one end links to each other with first load point 103, the also general rectangularity strip of the 3rd conductor arm 83, and become vertically to link to each other with an end of second conductor arm 82 is general with its stage casing part.
Second Department of Radiation 9 is between second grounding parts 7 and ground plane 102, its shape size is similar in appearance to first Department of Radiation 8, and generally becomes to be symmetrical in these planes (scheming not show) by straight line I with first Department of Radiation 8, and with one gap 99, second grounding parts, 7 intervals, (2300MHz～3800MHz), the one end is to link to each other with second load point 104 so that both are operated in special frequency channel by gap 99 energy to be coupled to second grounding parts 7.Because the structure of second Department of Radiation 9 is similar to first Department of Radiation 8, so its structure is no longer carefully stated, what will illustrate is again, second Department of Radiation 9 and first Department of Radiation 8 are operated in the high-frequency band of 3300MHz～3800MHz equally, and second grounding parts 7 and first grounding parts 6 are operated in the low frequency frequency range of 2300MHz～2700MHz equally.
When designing this antenna, adjust the length of bugle shape conductor block 62 of first grounding parts 6 and wide, can suitably adjust the impedance frequency range, and bugle shape conductor block 62 also helps to increase frequency range by narrow to wide design.Following table 3 is " the first grounding parts 6+, first Department of Radiation 8 " and " the second grounding parts 7+, second Department of Radiation 9 " measured efficient (Efficiency) and maximum gain (Peak Gain), by finding out that maximum gain is all greater than 5dBi in the table.
In addition, the design that first grounding parts 6 is adjacent with second grounding parts 7, and first Department of Radiation 8 and second Department of Radiation 9 away from design, can improve the isolation (Isolation) between " the first grounding parts 6+, first Department of Radiation 8 " and " the second grounding parts 7+, second Department of Radiation 9 ", make radiation field shape separately be unlikely to interfering with each other.Moreover, with ground plane 102 at interval the design of first Departments of Radiation 8 and second Department of Radiation 9 also help to improve isolation.Following table 4 is depicted as the measurement result of isolation, and isolation all can be greater than 18dB.Then be the measurement result of correlation (Envelope Correlation Coefficient) shown in the following table 5, correlation is all in 0.1.And can find out also at the field shape figure that 2500MHz, 3500MHz measure respectively that by Figure 12, Figure 13 " the first grounding parts 6+, first Department of Radiation 8 " is little with the correlation of " the second grounding parts 7+, second Department of Radiation 9 ".
(a) curve of Figure 14 is " the first grounding parts 6+, first Department of Radiation 8 " measured voltage standing wave ratio (VSWR), (b) curve is " the second grounding parts 7+, second Department of Radiation 9 " measured voltage standing wave ratio, by finding out among the figure, the voltage standing wave ratio in special frequency channel is all less than 2.
Table 3
Table 4
| Frequency (MHz) | 2300 | 2500 | 2700 | 3300 | 3500 | 3800 |
| Isolation (dB) | 19.8 | 23.2 | 18.7 | 21.6 | 23.6 | 19.6 |
Table 5
| Frequency (MHz) | 2300 | 2500 | 2700 | 3300 | 3500 | 3800 |
| Correlation (ρ omni) | 0.05 | 0.06 | 0.10 | 0.06 | 0.05 | 0.01 |
Figure 15, Figure 16 is respectively " the first grounding parts 6+, first Department of Radiation 8 " at 2500MHz, the radiation pattern that 3500MHz measures (Radiation Pattern) figure, Figure 17, Figure 18 is respectively " the second grounding parts 7+, second Department of Radiation 9 " at 2500MHz, the radiation pattern figure that 3500MHz measures, by finding out among the figure, " the first grounding parts 6+, first Department of Radiation 8 " reaches " the second grounding parts 7+, second Department of Radiation 9 " both field patterns and is distributed with effect complimentary to one another, this phenomenon quite is the effect of a kind of similar diversity (Diversity), so way can significantly reduce the bad situation of multi-path signal that effect causes, and increases the usefulness of integrated antenna.
What deserves to be mentioned is that first grounding parts 6, second grounding parts 7 also can be knot (bow tie) shapes shown in Figure 19 except being the bugle shape.And first Department of Radiation 8, second Department of Radiation 9 be except being the T font, also can be Figure 20, Figure 21, Figure 22, similar leg-of-mutton structure shown in Figure 23.In addition, in second preferred embodiment, first grounding parts 6, second grounding parts 7 are operated in the low frequency frequency range of 2300MHz～2700MHz, first Department of Radiation 8, second Department of Radiation 9 are operated in the high-frequency band of 3300MHz～3800MHz, yet design that can also be opposite, promptly first grounding parts 6, second grounding parts 7 are operated in high-frequency band, and first Department of Radiation 8, second Department of Radiation 9 are operated in the low frequency frequency range.
Except with the whole surface 101 that is attached at substrate 100 of antenna, also can be as shown in figure 24, be designed to the aspect of 3 D stereo, the part that makes first grounding parts 6, first Department of Radiation 8, second grounding parts 7, second Department of Radiation 9 and the surface 101 of substrate 100 are separately; Or as shown in figure 25, only the surface 101 of the part of first grounding parts 6 and second grounding parts 7 and substrate 100 separately; Or as shown in figure 26, only the surface 101 of the part of first Department of Radiation 8 and second Department of Radiation 9 and substrate 100 separately.
In sum, above-mentioned two embodiment all make antenna be operated in the WiMAX frequency range, and reach the effect that " second grounding parts+second Department of Radiation " reaches diversity by " first grounding parts+first Department of Radiation ", so can significantly reduce the bad situation of multi-path signal that effect causes, increase the usefulness of integrated antenna, so can reach purpose of the present invention really.
Above-described, only be the preferred embodiments of the present invention, when not limiting scope of the invention process with this, promptly the simple equivalent of doing according to content of the present invention generally changes and modifies, and all still belongs in the scope of the present invention.
Claims (28)
1. antenna assembly comprises:
One substrate has a surface, is formed on a ground plane on this surface, one first load point that is formed on this surface and one second load point;
One first grounding parts is stretched out by one first end of this ground plane;
One second grounding parts, shape size be similar in appearance to this first grounding parts, and extended toward the direction in contrast to this first grounding parts by first end of this ground plane;
One first Department of Radiation, with this first grounding parts separately, and energy is coupled to this first grounding parts so that both are operated in a special frequency channel, and the one end links to each other with this first load point; And
One second Department of Radiation, shape size be similar in appearance to this first Department of Radiation, and with this second grounding parts separately, and energy is coupled to this second grounding parts so that both are operated in this special frequency channel, and the one end links to each other with this second load point; This second Department of Radiation and this first Department of Radiation by this ground plane the interval.
2. antenna assembly according to claim 1, wherein, this first Department of Radiation is between this first grounding parts and this ground plane, and this second Department of Radiation is between this second grounding parts and this ground plane.
3. antenna assembly according to claim 2, wherein, this first Department of Radiation is formed with one first slotted eye, and this second Department of Radiation is formed with one second slotted eye.
4. antenna assembly according to claim 3, wherein, the area of this second slotted eye is slightly less than the area of this first slotted eye.
5. antenna assembly according to claim 4, wherein, the length of this second slotted eye slightly is shorter than the length of this first slotted eye.
6. antenna assembly according to claim 5, wherein, the length of this second grounding parts slightly is shorter than the length of this first grounding parts.
7. antenna assembly according to claim 6, wherein, this first Department of Radiation comprises one the 3rd radiant section that the general one-tenth of the other end of general one second radiant section that becomes vertically to link to each other of the other end, an end and this second radiant section of one first signal feed-in section that an end links to each other with this first load point, one first radiant section, an end and this first radiant section that an end links to each other with the other end of this first signal feed-in section vertically links to each other; This first radiant section, this second radiant section and the 3rd radiant section define this first slotted eye jointly.
8. antenna assembly according to claim 7, wherein, this second Department of Radiation generally becomes to be symmetrical in a straight line with this first Department of Radiation.
9. antenna assembly according to claim 8, wherein, this first grounding parts comprises the one first ground connection section that an end links to each other with first end of this ground plane, and an end and the general one second ground connection section that becomes vertically to link to each other of the other end of this first ground connection section; Contiguous this second radiant section of this first ground connection section and both general one-tenth are parallel.
10. antenna assembly according to claim 9, wherein, this first grounding parts generally becomes to be symmetrical in this straight line with this second grounding parts.
11. according to the wherein arbitrary described antenna assembly of claim 1-10, wherein, this special frequency channel is 3300MHz～3800MHz.
12. antenna assembly according to claim 11, wherein, the length of this first Department of Radiation is essentially the quarter-wave of this special frequency channel.
13. antenna assembly according to claim 12, wherein, the length of this first grounding parts is essentially the quarter-wave of this special frequency channel.
14. antenna assembly according to claim 13, wherein, the length of this second radiant section is in fact less than 1/8th wavelength of this special frequency channel.
15. antenna assembly according to claim 2, wherein, this first grounding parts generally becomes to be symmetrical in a plane with this second grounding parts, and this plane is by a straight line.
16. antenna assembly according to claim 15, wherein, one of them person that this first grounding parts is bugle shape and bowtie-shaped.
17. antenna assembly according to claim 16, wherein, this first Department of Radiation generally becomes to be symmetrical in this plane with this second Department of Radiation.
18. antenna assembly according to claim 17, wherein, this first Department of Radiation generally becomes the T font.
19. antenna assembly according to claim 17, wherein, the general triangularity of this first Department of Radiation.
20. according to the wherein arbitrary described antenna assembly of claim 1,2,15～19, wherein, this special frequency channel is 2300MHz～3800MHz.
21. antenna assembly according to claim 20, wherein, this first Department of Radiation is operated in the high-frequency band of 3300MHz～3800MHz, and its length is essentially the quarter-wave of this high-frequency band.
22. antenna assembly according to claim 21, wherein, this first grounding parts is operated in the low frequency frequency range of 2300MHz～2700MHz, and its length is essentially the quarter-wave of this low frequency frequency range.
23. antenna assembly according to claim 22, wherein, the surface of one of them person of this first Department of Radiation and this first grounding parts part and this substrate separately.
24. antenna assembly according to claim 22, wherein, the surface of this first Department of Radiation and this first grounding parts part and this substrate separately.
25. antenna assembly according to claim 20, wherein, this first grounding parts is operated in the high-frequency band of 3300MHz～3800MHz, and its length is essentially the quarter-wave of this high-frequency band.
26. antenna assembly according to claim 25, wherein, this first Department of Radiation is operated in the low frequency frequency range of 2300MHz～2700MHz, and its length is essentially the quarter-wave of this low frequency frequency range.
27. antenna assembly according to claim 26, wherein, the surface of one of them person of this first Department of Radiation and this first grounding parts part and this substrate separately.
28. antenna assembly according to claim 26, wherein, the surface of this first Department of Radiation and this first grounding parts part and this substrate separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100953670A CN101577364B (en) | 2008-05-05 | 2008-05-05 | Antenna unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100953670A CN101577364B (en) | 2008-05-05 | 2008-05-05 | Antenna unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101577364A true CN101577364A (en) | 2009-11-11 |
| CN101577364B CN101577364B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100953670A Expired - Fee Related CN101577364B (en) | 2008-05-05 | 2008-05-05 | Antenna unit |
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| CN (1) | CN101577364B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102208713A (en) * | 2010-03-30 | 2011-10-05 | 宏碁股份有限公司 | Mobile communication device |
| CN102244524A (en) * | 2010-05-10 | 2011-11-16 | 财团法人工业技术研究院 | Mobile communication device |
| CN102280696A (en) * | 2011-04-28 | 2011-12-14 | 上海交通大学 | Half-wave transmission decoupling small-space microstrip array antenna |
| CN102576932A (en) * | 2011-10-28 | 2012-07-11 | 华为终端有限公司 | Antenna and terminal |
| CN103682630A (en) * | 2012-09-26 | 2014-03-26 | 联发科技（新加坡）私人有限公司 | Communication device |
| CN103943940A (en) * | 2013-01-21 | 2014-07-23 | 联发科技股份有限公司 | Communication device |
| CN104170164A (en) * | 2012-03-13 | 2014-11-26 | 微软公司 | Antenna isolation using a tuned ground plane notch |
| US8947314B2 (en) | 2010-03-22 | 2015-02-03 | Acer Inc. | Mobile communication device and built-in antenna integrated with a ground portion thereof |
| CN106602229A (en) * | 2016-10-31 | 2017-04-26 | 惠州Tcl移动通信有限公司 | Foldable annular antenna and electronic device |
| US10361480B2 (en) | 2012-03-13 | 2019-07-23 | Microsoft Technology Licensing, Llc | Antenna isolation using a tuned groundplane notch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6483463B2 (en) * | 2001-03-27 | 2002-11-19 | Centurion Wireless Technologies, Inc. | Diversity antenna system including two planar inverted F antennas |
| US7109923B2 (en) * | 2004-02-23 | 2006-09-19 | Nokia Corporation | Diversity antenna arrangement |
| FR2888675A1 (en) * | 2005-07-13 | 2007-01-19 | Thomson Licensing Sas Soc Par | 2-D DIVERSITY ANTENNA SYSTEM AND CARD FOR WIRELESS COMMUNICATION APPARATUS PROVIDED WITH SUCH A SYSTEM |
-
2008
- 2008-05-05 CN CN2008100953670A patent/CN101577364B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8947314B2 (en) | 2010-03-22 | 2015-02-03 | Acer Inc. | Mobile communication device and built-in antenna integrated with a ground portion thereof |
| CN102208713A (en) * | 2010-03-30 | 2011-10-05 | 宏碁股份有限公司 | Mobile communication device |
| CN102244524A (en) * | 2010-05-10 | 2011-11-16 | 财团法人工业技术研究院 | Mobile communication device |
| CN102280696A (en) * | 2011-04-28 | 2011-12-14 | 上海交通大学 | Half-wave transmission decoupling small-space microstrip array antenna |
| CN102576932A (en) * | 2011-10-28 | 2012-07-11 | 华为终端有限公司 | Antenna and terminal |
| CN104170164A (en) * | 2012-03-13 | 2014-11-26 | 微软公司 | Antenna isolation using a tuned ground plane notch |
| CN104170164B (en) * | 2012-03-13 | 2016-09-21 | 微软技术许可有限责任公司 | Use the antenna isolation of the ground plane notch being tuned |
| US10361480B2 (en) | 2012-03-13 | 2019-07-23 | Microsoft Technology Licensing, Llc | Antenna isolation using a tuned groundplane notch |
| US10418700B2 (en) | 2012-03-13 | 2019-09-17 | Microsoft Technology Licensing, Llc | Antenna isolation using a tuned ground plane notch |
| CN103682630A (en) * | 2012-09-26 | 2014-03-26 | 联发科技（新加坡）私人有限公司 | Communication device |
| CN103682630B (en) * | 2012-09-26 | 2016-06-01 | 联发科技（新加坡）私人有限公司 | Communicator |
| CN103943940A (en) * | 2013-01-21 | 2014-07-23 | 联发科技股份有限公司 | Communication device |
| CN103943940B (en) * | 2013-01-21 | 2016-08-24 | 联发科技股份有限公司 | Communicator |
| CN106602229A (en) * | 2016-10-31 | 2017-04-26 | 惠州Tcl移动通信有限公司 | Foldable annular antenna and electronic device |
| CN106602229B (en) * | 2016-10-31 | 2019-08-16 | 惠州Tcl移动通信有限公司 | Folded coil antenna and electronic equipment |
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| CN101577364B (en) | 2012-08-22 |
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