CN206135915U - Distributing type thing networking radio signal reinforcing means - Google Patents
Distributing type thing networking radio signal reinforcing means Download PDFInfo
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- CN206135915U CN206135915U CN201621212248.5U CN201621212248U CN206135915U CN 206135915 U CN206135915 U CN 206135915U CN 201621212248 U CN201621212248 U CN 201621212248U CN 206135915 U CN206135915 U CN 206135915U
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Abstract
The utility model provides a distributing type thing networking radio signal reinforcing means, it contains one and assembles node and a plurality of distribution node, assemble node towards basic station side, the aforementioned donor antenna who assembles the node installs in the basic better position of station side signal, can receive stable signal source, and a plurality of distribution node user orienteds end distributes in user side different position departments on every side for expand the coverage area, assemble between node and a plurality of distribution node through optic fibre or cable junction communication. The utility model discloses can effectively expand the basic station signal cover, solve and cover the blind area problem among traditional mobile communication system to it is convenient to have installation set net, and adaptation capability is strong, goes upward the noise suppression function, automatic gain control's advantage, and have reliable control administrative unit, management party is just simple for parameter setting, control.
Description
Technical field
This utility model is related to communicating wireless signals field, especially it is a kind of be applied in mobile communication system it is distributed
Wireless signal intensifier.
Background technology
Mobile communication technology refers to the communication between the communication between mobile device or mobile device and fixing equipment, mesh
Before, mobile communication technology has some problems to have to be solved while developing rapidly and innovate, also.Due to the transmission of wireless signal
The restriction of characteristic and various different terrains, in signals transmission, signal is lasting weak, causes signal reach
These specific regions are referred to as " blind area ", such as the area such as high building, basement, tunnel, subway, urban fringe and suburb by specific region
Domain, the mobile device of people cannot realize efficient communication in the blind area.
This problem is tackled, there has been proposed repeater and relay system are extending the covering of wireless signal, its effect
Be the radiofrequency signal that base station or mobile station send is received and is amplified after forward again, itself play in a signal
After the effect amplified, it is the one kind in wireless communication system with frequency multiplying arrangement.The ultimate principle of its work is：In downlink
In, repeater receives the signal that base station sends over by donor antenna, then signal is carried out at down coversion, filtering and amplification
Launched by retransmitting antenna by up-conversion modulation after reason again, so can both strengthen the signal in overlay area, it is also possible to
Signal is introduced blind area to solve the problems, such as that it is poor that signal is covered.In the uplink, subscriber signal is through similar with downlink
Reverse process after be sent to base station, i.e. down coversion, filtering, amplification, up-conversion.The work(that this signal transfer of repeater is amplified
The signal that can improve between mobile device and donor base station is interacted.
But traditional repeater or repeater generally existing some drawbacks, active noise is such as introduced, makes the bottom of base station make an uproar
Raise, cause uplink capacity to reduce, and be likely to become new signal interference source, it is original so as to affect performance of the entire network to deteriorate
Communication network, reduce communication quality and base station sensitivity, so as to cause the decline of base station overall performance.
The content of the invention
The purpose of this utility model is the deficiency for existing repeater or repeater, there is provided a kind of distributed wireless
Signal enhancing device.
The technical solution of the utility model is：
A kind of distributed Internet of Things wireless signal intensifier, it includes an aggregation node and multiple distribution nodes, institute
Aggregation node is stated towards base station end, the donor antenna of aforementioned aggregation node is arranged on the preferable position of base station end signal, Neng Goujie
Stable signal source is received, multiple distribution node user oriented ends, the various location being distributed in around user side are covered to expand
Lid scope, passes through optical fiber between described aggregation node and multiple distribution nodes or cable connection communicates.
Cable model of the present utility model adopts CAT5, CAT5E, CAT6, CAT7 or CAT7E.
Aggregation node of the present utility model and distribution node include administration and monitoring module, power module and are sequentially connected
Integral antenna, duplexer, integrated radio-frequency transceiver, digital base band processor module, interface module；
In the downlink, described aggregation node by integral antenna receive from base station downstream signal, it is described
Duplexer be bi-directionally connected with integrated radio-frequency transceiver, aforementioned integrated radio-frequency transceiver is for being converted into number by radiofrequency signal
Word signal, described integrated radio-frequency transceiver are bi-directionally connected with digital base band processor module, aforementioned digital baseband processing module
For converting digital signals into serial data, described digital base band processor module is bi-directionally connected with interface module, aforementioned to connect
Corresponding digital signal is converted into mouth mold block optical signal or ethernet signal is sent to multiple distribution nodes；Each distribution node leads to
Cross its interface module and optical signal or ethernet signal are reduced to into digital signal, penetrate through digital base band processor module and integration
Frequency transceiver converts digital signals into radiofrequency signal, is sent to user side by integral antenna by duplexer afterwards；
In the uplink, each distribution node by integral antenna receive from user side upward signal, it is described
Duplexer is bi-directionally connected with integrated radio-frequency transceiver, and aforementioned integrated radio-frequency transceiver is for being converted into numeral by radiofrequency signal
Signal, described integrated radio-frequency transceiver are bi-directionally connected with digital base band processor module, and aforementioned digital baseband processing module is used
In serial data is converted digital signals into, described digital base band processor module is bi-directionally connected with interface module, aforementioned interface
Corresponding digital signal is converted into module optical signal or ethernet signal is sent to aggregation node；Aggregation node passes through its interface
Optical signal or ethernet signal are reduced to digital signal by module, realize closing by conflation in digital base band processor module
Road, converts digital signals into radiofrequency signal through integrated radio-frequency transceiver, is sent out by integral antenna by duplexer afterwards
Give base station end.
Digital base band processor module of the present utility model includes noise processed unit and gain control unit.
Device of the present utility model applies to 2G/3G/4G mobile communication system.
Dual-mode antenna of the integral antenna of the present utility model using Whole frequency band, it would be preferable to support GSM, UMTS and LTE signal.
The beneficial effects of the utility model：
Distributed Internet of Things wireless signal intensifier of the present utility model can effective extended base station signal cover,
For comparing traditional repeater, topological structure of this utility model using point to multiple spot substitutes point-to-point topology, networking mode spirit
It is living, network construction cost is reduced, can be with coverage hole problem in effectively solving conventional mobile communications system.
Radiofrequency signal is down-converted to intermediate-freuqncy signal by this utility model, is processed Jing after ADC is sampled into digital signal, letter
Number branch and combining realize that is, downlink branch is realized by the duplication of digital bit stream, up by the method for numeral
Link combining is by numeral and realizes, digital demultiplexing combining is to all no any loss of signal.At numeric field is to signal
Reason, significantly enhances process and control ability of the equipment to signal.
This utility model has the function that upstream noise suppresses, and upward signal carries out digital filtering process by wave filter group
Afterwards, the upstream noise of each distribution node is controlled by arranging noise gate, is greatly reduced up between each distribution node
Noise is interfered, and eliminates impact of the uplink interference to base station, the balance of uplink downlink when realizing high-power covering.
This utility model adopts optical fiber or cable as transmission medium between aggregation node and distribution node, and radiofrequency signal exists
Transmission attenuation very little or almost do not decay in optical fiber or cable, signal over long distances and can be being kept in demultiplex Transmission system
Preferably dynamic range is constant.
This utility model can operate with 2G/3G/4G mobile communication system, support GSM, UMTS, LTE various modes.
This utility model has automatic growth control AGC functions, realizes automatic growth control by time slot power detection, can
Be prevented effectively from digital high-frequency amplification station generally existing upward signal it is excessive cause data overflow and be not turned on phenomenon.
Device volume of the present utility model is little, installs networking conveniently, and adaptation ability is strong, and has reliable monitoring management list
Unit, parameter setting, monitoring management are convenient and simple.
Description of the drawings
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is aggregation node theory diagram of the present utility model.
Fig. 3 is distribution node theory diagram of the present utility model.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is further described.
As shown in figure 1, a kind of distributed Internet of Things wireless signal intensifier structural topology in mobile communication system
Figure, the device are made up of an aggregation node and multiple distribution nodes, and aggregation node is towards base station end, by integrated day
Line and base station are communicated；Distribution node is user oriented end, and by carrying out between integral antenna and user terminal
Communication.
Carry out the transmission of signal, energy between aggregation node and distribution node by optical fiber or cable according to fixed frame format
Loss of the radiofrequency signal in transmitting procedure is reduced effectively.May be selected using optical fiber or CAT5/CAT5E/CAT6/ when specifically used
The cable of CAT7/CAT7E standards, it is when between aggregation node and distribution node with the short-distance transmission less than 100 meters, just excellent
Choosing uses cable;If when zooming out transmission at a distance, just preferably using optical fiber.Frame format can be assisted using existing CPRI
View, it is also possible to self-defining frame format.Aggregation node and distribution node can carry out flexible networking mode, so as to reach effectively
Extend the effect that signal is covered.
As shown in Fig. 2 a kind of aggregation node of distributed Internet of Things wireless signal intensifier, it is included by integrated day
The radio-frequency module of line, duplexer and integrated radio-frequency transceiver composition, digital base band processor module（Using FPGA）, interface mould
Block, administration and monitoring module and power module.
In the downlink, described aggregation node radio-frequency (RF) receiving and transmission module by duplexer by integral antenna receive from
Radiofrequency signal through integrated radio-frequency transceiver, is converted into digital signal, is passed at digital baseband by the downstream signal of base station
Reason module；Digital signal is synchronized in digital base band processor module, automatic growth control, digital filtering, noise suppressed
After process, serial data is packaged into by certain frame format, realize that branch is sent to digital interface by the duplication of digital bit stream
Module；Difference in digital interface module according to the transmission medium for adopting, such as optical fiber, cable, corresponding digital signal is converted
It is that optical signal or ethernet signal are sent to multiple distribution nodes.
In the uplink, digital interface module will be converted to after the optical signal for receiving or ethernet signal solution frame accordingly
Digital received signals；Then digital base band processor module carries out multi-path digital signal after conflation, then through synchronously, certainly
After dynamic gain control, digital filtering, noise suppressed are processed, numeral is believed through the integrated radio-frequency transceiver of radio-frequency (RF) receiving and transmission module
Number radiofrequency signal is converted to, base station is sent to by integral antenna finally by duplexer.
As shown in figure 3, a kind of distribution node of distributed Internet of Things wireless signal intensifier, it is equally included by one
Change antenna, the radio-frequency module of duplexer and integrated radio-frequency transceiver composition, digital base band processor module, interface module, management
Monitoring module, power module.
In the downlink, described distribution node digital interface module is by the optical signal from aggregation node for receiving
Or corresponding digital received signals are converted to after ethernet signal solution frame；Then digital base band processor module is carried out to digital signal
After synchronization, automatic growth control, digital filtering, noise suppressed are processed, through the integrated radio-frequency transceiver of radio-frequency (RF) receiving and transmission module
After converting digital signals into radiofrequency signal, user side is sent to by integral antenna by duplexer.
In the uplink, radio-frequency (RF) receiving and transmission module is received the up letter from user side by duplexer by integral antenna
Number, radiofrequency signal is converted to Jing integrated radio-frequency transceiver and pass to after digital signal digital base band processor module；In numeral
Digital signal is synchronized in baseband processing module, automatic growth control, digital filtering, noise suppressed process after, by certain
Frame format is packaged into serial data, is sent to digital interface module；In digital interface module according to the transmission medium for adopting not
Together, such as optical fiber, cable, corresponding digital signal is converted into into optical signal or ethernet signal is sent to aggregation node.
This distributed Internet of Things wireless signal intensifier, can operate with 2G/3G/4G mobile communication system, support GSM,
UMTS, LTE various modes.The integral antenna of the radio-frequency (RF) receiving and transmission module of this device is the dual-mode antenna of a Whole frequency band, right
GSM, UMTS, LTE signal can be supported；Digital base band processor module supports detection, the synchronization to digital signal under different mode
Deng process.
This utility model is not directed to partly same as the prior art or can be realized using prior art.
Claims (6)
1. a kind of distributed Internet of Things wireless signal intensifier, is characterized in that：It includes an aggregation node and multiple distributions
Node, the aggregation node are arranged on the preferable position of base station end signal towards base station end, the donor antenna of aforementioned aggregation node,
Can receive stable signal source, multiple distribution node user oriented ends, the various location being distributed in around user side, to
Expand the coverage area, pass through optical fiber between described aggregation node and multiple distribution nodes or cable connection communicates.
2. distributed Internet of Things wireless signal intensifier according to claim 1, is characterized in that described cable model
Using CAT5, CAT5E, CAT6, CAT7 or CAT7E.
3. distributed Internet of Things wireless signal intensifier according to claim 1, is characterized in that described aggregation node
Include that administration and monitoring module, power module and the integral antenna being sequentially connected, duplexer, integration are penetrated with distribution node
Frequency transceiver, digital base band processor module, interface module；
In the downlink, described aggregation node receives downstream signal from base station by integral antenna, described double
Work device is bi-directionally connected with integrated radio-frequency transceiver, and aforementioned integrated radio-frequency transceiver is for being converted into digital letter by radiofrequency signal
Number, described integrated radio-frequency transceiver is bi-directionally connected with digital base band processor module, and aforementioned digital baseband processing module is used for
Serial data is converted digital signals into, described digital base band processor module is bi-directionally connected with interface module, aforementioned interface mould
Corresponding digital signal is converted into block optical signal or ethernet signal is sent to multiple distribution nodes；Each distribution node passes through which
Optical signal or ethernet signal are reduced to digital signal by interface module, are received through digital base band processor module and integrated radio-frequency
Send out device and convert digital signals into radiofrequency signal, user side is sent to by integral antenna by duplexer afterwards；
In the uplink, each distribution node by integral antenna receive from user side upward signal, described duplex
Device is bi-directionally connected with integrated radio-frequency transceiver, and aforementioned integrated radio-frequency transceiver is for being converted into digital letter by radiofrequency signal
Number, described integrated radio-frequency transceiver is bi-directionally connected with digital base band processor module, and aforementioned digital baseband processing module is used for
Serial data is converted digital signals into, described digital base band processor module is bi-directionally connected with interface module, aforementioned interface mould
Corresponding digital signal is converted into block optical signal or ethernet signal is sent to aggregation node；Aggregation node passes through its interface mould
Optical signal or ethernet signal are reduced to digital signal by block, realize closing by conflation in digital base band processor module
Road, converts digital signals into radiofrequency signal through integrated radio-frequency transceiver, is sent out by integral antenna by duplexer afterwards
Give base station end.
4. distributed Internet of Things wireless signal intensifier according to claim 1, is characterized in that described digital baseband
Processing module includes noise processed unit and gain control unit.
5. distributed Internet of Things wireless signal intensifier according to claim 1, is characterized in that the device applies to 2G/
3G/4G mobile communication system.
6. distributed Internet of Things wireless signal intensifier according to claim 3, is characterized in that integral antenna is adopted
The dual-mode antenna of Whole frequency band, it would be preferable to support GSM, UMTS and LTE signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621212248.5U CN206135915U (en) | 2016-11-10 | 2016-11-10 | Distributing type thing networking radio signal reinforcing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621212248.5U CN206135915U (en) | 2016-11-10 | 2016-11-10 | Distributing type thing networking radio signal reinforcing means |
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| Publication Number | Publication Date |
|---|---|
| CN206135915U true CN206135915U (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621212248.5U Expired - Fee Related CN206135915U (en) | 2016-11-10 | 2016-11-10 | Distributing type thing networking radio signal reinforcing means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484237A (en) * | 2017-09-27 | 2017-12-15 | 四川省大见通信技术有限公司 | A kind of unbalanced Adaptable System of uplink downlink and its method |
-
2016
- 2016-11-10 CN CN201621212248.5U patent/CN206135915U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484237A (en) * | 2017-09-27 | 2017-12-15 | 四川省大见通信技术有限公司 | A kind of unbalanced Adaptable System of uplink downlink and its method |
| CN107484237B (en) * | 2017-09-27 | 2024-03-15 | 北联技术股份有限公司 | Self-adaptive system and method for unbalance of uplink and downlink |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20191110 |