CN209748559U - Back plate structure for multi-channel MIMO system - Google Patents
Back plate structure for multi-channel MIMO system Download PDFInfo
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- CN209748559U CN209748559U CN201920823731.4U CN201920823731U CN209748559U CN 209748559 U CN209748559 U CN 209748559U CN 201920823731 U CN201920823731 U CN 201920823731U CN 209748559 U CN209748559 U CN 209748559U
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Abstract
The utility model relates to a wireless communication technology field especially relates to a backplate structure for multichannel MIMO system, including upper backplate, lower floor's backplate, upper backplane connector and lower floor's backplate connector, a plurality of multichannel MIMO systems pass through upper backplane connector and upper backplane electrical connection, a plurality of multichannel MIMO systems pass through lower floor's backplate connector and lower floor's backplate electrical connection, and upper backplane connector and lower floor's backplate connector distribute respectively in the both sides of the central line of the backplate structure that is used for multichannel MIMO system. The utility model discloses multichannel MIMO system on the upper backplate and multichannel MIMO system installation opposite direction on the backplate of lower floor, this structure puts near can providing sufficient layout wiring space for the backplate design at the central point of backplate, and the existing space of make full use of backplate has reduced the design degree of difficulty of backplate, improves the integrality of signal, has reduced EMI. The defects of the existing back plate structure are overcome.
Description
Technical Field
The utility model relates to a wireless communication technical field especially relates to a backplate structure for multichannel MIMO system.
Background
The current 5G network not only needs to have higher speed, larger bandwidth and larger capacity and support super-large data flow, but also needs to realize multi-service multi-technology fusion and meet the development requirements of various services of super-large data and high-speed connection in the future. The improvement of the service capability of the fifth generation mobile communication network requires a new network architecture and a wireless transmission technology, and realizes higher frequency spectrum utilization rate and transmission rate. Wireless data services grow exponentially, users seek higher and higher data experiences, and therefore, the capacity requirements of networks are higher and higher. Among the methods for increasing network capacity, it is very critical to increase spectral efficiency, and among the techniques for increasing spectral efficiency, the massive MIMO technique is critical. The development of a large-scale MIMO array (usually dozens to hundreds of antennas) is expected to realize that the spectrum efficiency and the power efficiency are improved by one magnitude on the basis of 4G, and is one of important research directions of 5G key technologies at present.
In a large-scale MIMO system, there will be several to several tens of multi-channel MIMO modules, and the structural design of the backplane will be one of the important designs of the whole system. Generally, the backplane structure of the system is designed according to the structure of the single board, so that the design complexity and limitation of the backplane will be increased.
Fig. 2 shows a conventional back plate structure, which mainly has the following disadvantages: the back board has limited and dispersed wiring space, is not favorable for wiring, increases the difficulty of design and is not favorable for improving the system performance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a backplate structure for multichannel MIMO system can provide sufficient space for backplate distribution and wiring, has solved the not enough of current backplate structure.
in order to realize the utility model discloses an aim, the technical scheme who adopts is: the utility model provides a backplate structure for multichannel MIMO system, includes upper backplate, lower floor's backplate, upper backplate connector and lower floor's backplate connector, and a plurality of multichannel MIMO systems pass through upper backplate connector and upper backplate electrical connection, and a plurality of multichannel MIMO systems pass through lower floor's backplate connector and lower floor's backplate electrical connection, and upper backplate connector and lower floor's backplate connector distribute respectively in the both sides of the central line that is used for multichannel MIMO system's backplate structure.
As the utility model discloses an optimization scheme for the structural a plurality of light mouthful fluting that still are provided with of backplate of multichannel MIMO system, communication cable carries out the communication through light mouthful fluting and multichannel MIMO system's optical module, and the corresponding setting of single light mouthful fluting is in near of single upper backboard connector or lower floor's backboard connector.
As the utility model discloses an optimization scheme for the backplate of multichannel MIMO system is structural still to be provided with a plurality of outside local oscillator interfaces, provides synchronous reference local oscillator for multichannel MIMO system through outside local oscillator interface, and outside local oscillator interface all sets up in the outside of upper backplate or lower floor's backplate, and single outside local oscillator interface is corresponding with single light mouthful notch.
As the utility model discloses an optimization scheme for the structural a plurality of synchronous reference clock interfaces that still are provided with of backplate of multichannel MIMO system, synchronous reference clock interface one end is adjacent with the central line that is used for the backplate structure of multichannel MIMO system, and the other end and the upper backplane connector or the lower floor backplane connector of synchronous reference clock interface are adjacent.
The utility model discloses has positive effect: the utility model discloses multichannel MIMO system on the upper backplate and multichannel MIMO system installation opposite direction on the backplate of lower floor, this structure puts near can providing sufficient layout wiring space for the backplate design in the central point of backplate, and the existing space of make full use of backplate has reduced the design degree of difficulty of backplate for the wholeness can obtain improving, improves the integrality of signal, has reduced EMI. The defects of the existing back plate structure are overcome.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention;
Fig. 2 is a schematic structural diagram of a conventional backplane.
Wherein: 1. upper backplate, 2, lower floor's backplate, 3, upper backplane connector, 4, lower floor's backplate connector, 5, light mouthful notch, 6, outside local oscillator interface, 7, synchronous reference clock interface.
Detailed Description
As shown in fig. 1, the utility model discloses a backplate structure for multichannel MIMO system, including upper backplate 1, lower floor's backplate 2, upper backplane connector 3 and lower floor's backplate connector 4, a plurality of multichannel MIMO systems pass through upper backplane connector 3 and upper backplane 1 electrical connection, a plurality of multichannel MIMO systems pass through lower floor's backplate connector 4 and lower floor's backplate 2 electrical connection, upper backplane connector 3 and lower floor's backplate connector 4 distribute respectively in the both sides of the central line that is used for multichannel MIMO system's backplate structure. Wherein, the upper backplane 1 has 8 sets of multi-channel MIMO systems with the same function, and the insertion directions of the existing backplane structures are changed, that is, the insertion directions of the upper backplane 1 and the lower backplane 2 are opposite, and at this time, the upper backplane connector 3 or the lower backplane connector 4 is concentrated near the center line of the backplane structure for the multi-channel MIMO system.
The back plate structure for the multi-channel MIMO system is also provided with a plurality of light opening slots 5, a communication cable is communicated with an optical module of the multi-channel MIMO system through the light opening slots 5, and the single light opening slot 5 is correspondingly arranged near the single upper-layer back plate connector 3 or the lower-layer back plate connector 4.
A backplate structure for multichannel MIMO system still is provided with a plurality of outside local oscillator interfaces 6, provides synchronous reference local oscillator for multichannel MIMO system through outside local oscillator interface 6, and outside local oscillator interface 6 all sets up in the outside of upper backplate 1 or lower floor's backplate 2, and single outside local oscillator interface 6 is corresponding with single light mouthful notch 5.
The backplane structure for the multi-channel MIMO system is also provided with a plurality of synchronous reference clock interfaces 7, one end of each synchronous reference clock interface 7 is adjacent to the central line of the backplane structure for the multi-channel MIMO system, and the other end of each synchronous reference clock interface 7 is adjacent to the upper backplane connector 3 or the lower backplane connector 4. The synchronous reference clock can be provided for each multi-channel MIMO system through the synchronous reference clock interface 7.
Through using the utility model discloses a structure can carry out overall arrangement and wiring near the both sides of the central line that is used for multichannel MIMO system's backplate structure, and this region has power module, 1/16 way network switching module, backplate CPLD control module, clock synchronization module etc..
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A backplane structure for a multi-channel MIMO system, characterized by: including upper backplate (1), lower floor's backplate (2), upper backplate connector (3) and lower floor's backplate connector (4), a plurality of multichannel MIMO systems pass through upper backplate connector (3) and upper backplate (1) electrical connection, a plurality of multichannel MIMO systems pass through lower floor's backplate connector (4) and lower floor's backplate (2) electrical connection, upper backplate connector (3) and lower floor's backplate connector (4) distribute respectively in the both sides of the central line that is used for multichannel MIMO system's backplate structure.
2. The backplane structure for a multi-channel MIMO system according to claim 1, wherein: a plurality of light opening slots (5) are further arranged on the back plate structure for the multi-channel MIMO system, a communication cable is communicated with an optical module of the multi-channel MIMO system through the light opening slots (5), and the single light opening slot (5) is correspondingly arranged near the single upper-layer back plate connector (3) or the single lower-layer back plate connector (4).
3. A backplane structure for multi-channel MIMO systems according to claim 2, wherein: a backplate structure for multichannel MIMO system still is provided with a plurality of outside local oscillator interfaces (6), provides synchronous reference local oscillator for multichannel MIMO system through outside local oscillator interface (6), and outside local oscillator interface (6) all set up in the outside of upper backplate (1) or lower floor backplate (2), and single outside local oscillator interface (6) are corresponding with single light mouthful notch (5).
4. A backplane structure for multi-channel MIMO systems according to any of claims 1-3, wherein: the back plate structure for the multichannel MIMO system is also provided with a plurality of synchronous reference clock interfaces (7), one end of each synchronous reference clock interface (7) is adjacent to the central line of the back plate structure for the multichannel MIMO system, and the other end of each synchronous reference clock interface (7) is adjacent to the upper back plate connector (3) or the lower back plate connector (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823731.4U CN209748559U (en) | 2019-06-03 | 2019-06-03 | Back plate structure for multi-channel MIMO system |
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| CN201920823731.4U CN209748559U (en) | 2019-06-03 | 2019-06-03 | Back plate structure for multi-channel MIMO system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212953A (en) * | 2019-06-03 | 2019-09-06 | 南京濠暻通讯科技有限公司 | A kind of double-layer back plate structure |
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2019
- 2019-06-03 CN CN201920823731.4U patent/CN209748559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212953A (en) * | 2019-06-03 | 2019-09-06 | 南京濠暻通讯科技有限公司 | A kind of double-layer back plate structure |
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