CN206506712U - A kind of band signal processor of police digital clustering communication system - Google Patents
A kind of band signal processor of police digital clustering communication system Download PDFInfo
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- CN206506712U CN206506712U CN201621268369.1U CN201621268369U CN206506712U CN 206506712 U CN206506712 U CN 206506712U CN 201621268369 U CN201621268369 U CN 201621268369U CN 206506712 U CN206506712 U CN 206506712U
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Abstract
The utility model discloses a kind of band signal processor of police Digital Clustering (PDT) communication system, the band signal processor includes the Base-Band Processing submodule of more than 2, and each Base-Band Processing submodule is configured as supporting different cordless communication network patterns or/and different working frequency range.Using cluster multimode intelligent terminal of the present utility model, the business demand that PDT communication systems are communicated with other various wireless communication network modes, different frequency range communication network can adapt to.
Description
Technical field
The utility model is related to police Digital Clustering (Police Digital Trunking, PDT) multimode intelligent terminal
Signal processing technology, more particularly to a kind of police Digital Clustering (PDT) communication system band signal processor.
Background technology
The PDT communication systems of China are gradually improved, but with other private networks and public network (such as 3G/4G even 5G)
Fusion, PDT communication systems necessarily have technological evolvement process one long-term.
The first generation technique that PDT communication systems have been carried out now, the substantially stage in voice and short data.At present
PDT communication systems also realize the support of broadband data service substantially, really start to move towards multi-internet integration, then lower single order backward
Section can walk the stage of PDT and Long Term Evolution (such as FDD-LTE, TD-LTE) fusion.But PDT communication systems are all the time by voice communication industry
Business is as narrow band communication, even if data communication service all goes to broadband, voice communication is also most important of which service application.
Between the base station of PDT communication systems and cluster multimode intelligent terminal, cluster multimode intelligent terminal and other clusters it is whole
Between end/ordinary terminal/multimode intelligent terminal and when cluster multimode terminal is communicated with other private networks or public network, it is both needed to
Baseband signal is handled, but the band signal processor of various modes can be supported there is presently no such a.
Utility model content
In view of this, main purpose of the present utility model is to provide a kind of police Digital Clustering (PDT) communication system
Band signal processor, is led to adapting to cluster multimode intelligent terminal with various wireless communication network mode, different frequency range
The business demand that letter net is communicated.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of band signal processor of police Digital Clustering (PDT) communication system, the band signal processor
Comprising the Base-Band Processing submodule of more than 2, each Base-Band Processing submodule is configured as supporting different radio communications
Network mode or/and different working frequency range.
Wherein, the Base-Band Processing submodule, sends comprising a Baseband Receiver RX signal processing circuit and a base band
TX signal processing circuits；The base band RX signal processing circuits, including be sequentially connected RX filter modules, downstream module, filter
Ripple/gain module and analog-to-digital conversion module；The baseband TX signal process circuit, including be sequentially connected D/A converter module,
Filtering/gain module, uplink module and TX filter modules.
The Base-Band Processing submodule is specially one of kernel of multinuclear BBP chip.
In the BBP chip, further comprising channel encoder, digital signal processor and corresponding interface
Circuit.
The side of the band signal processor is cluster multimode intelligent terminal host, and opposite side is comprising multimode intelligence
The radio-frequency module of antenna.
The multimode smart antenna is configured as working in a half duplex manner or with full duplex mode.
The cordless communication network pattern is one in PDT, GSM, TD-SCDMA, WCDMA, FDD-LTE, TD-LTE standard
Plant or a variety of.
The different operating frequency range of the cordless communication network pattern be PDT350/800MHz, TD-LTE2500-2690MHz,
WCDMA 900/2100MHz, TD-SCDMA 1880-1920/2010-2025MHz, GSM 850/900/1800/1900MHz
It is one or more.
A kind of cluster multimode intelligent terminal of band signal processor using the PDT communication systems.
The band signal processor of police Digital Clustering (PDT) communication system provided by the utility model, with
Lower advantage：
Band signal processor of the present utility model is applied in cluster multimode intelligent terminal, except at least meeting PDT
Outside the communication requirement of communication network, additionally it is possible to meet the cluster multimode intelligent terminal to a variety of different cordless communication network patterns
(such as GSM, TD-SCDMA, WCDMA, FDD-LTE, TD-LTE), different frequency range (such as TD-LTE 2500-2690MHz, WCDMA
900/2100MHz, TD-SCDMA1880-1920/2010-2025MHz, GSM 850/900/1800/1900MHz etc.) communication
Business support.
Brief description of the drawings
Fig. 1 is band signal processor block diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings and embodiment of the present utility model the method for the present utility model described in further detail.
Fig. 1 is band signal processor block diagram of the present utility model.
As shown in figure 1, the band signal processor, including at least two sets Base-Band Processing submodules, i.e. Base-Band Processing
Module 1, Base-Band Processing submodule 2 ..., Base-Band Processing submodule n.The Base-Band Processing submodule 1~Base-Band Processing submodule
Block n is the identical or different kernel of BBP shown in Fig. 1.Shown Base-Band Processing submodule 1~BBP n,
Supported cordless communication network pattern, the difference of frequency range are configured according to shown cluster multimode intelligent terminal host, to base band
The process that signal is handled can be with different.The cordless communication network pattern, including but not limited to PDT, GSM, TD-
The network of the standards such as SCDMA, WCDMA, FDD-LTE, TD-LTE.The frequency range of the wireless communication networks, includes but is not limited to
PDT350/800MHz、TD-LTE 2500-2690MHz、WCDMA 900/2100MHz、TD-SCDMA 1880-1920/2010-
The frequency ranges such as 2025MHz, GSM 850/900/1800/1900MHz.
In band signal processor, each Base-Band Processing submodule is respectively comprising 1 Baseband Receiver (RX) signal transacting electricity
Road and 1 base band send (TX) signal processing circuit.By taking Base-Band Processing submodule 1 as an example, base band RX signal processing circuits, including
RX filter modules 1, downstream module 1, filtering/gain module 1 and the analog-to-digital conversion module (A/D) 1 being sequentially connected.Base band TX believes
Number process circuit, including D/A converter module 1, filtering/gain module 1, uplink module 1 and the TX filter modules being sequentially connected
1。
In cluster multimode intelligent terminal of the present utility model, the side of band signal processor is comprising multimode intelligence
The radio circuit of antenna, opposite side is then multimode intelligent terminal host.In addition, what is be connected with the host computer side also has other circuits,
Including wireless interface circuit, memory module, MCU/CPU modules and input unit (such as keyboard/touch-screen, transmitter) and defeated
Go out device (such as display module, loudspeaker), Fig. 1 is not shown for the sake of simplifying circuit.
In band signal processor of the present utility model, the radio circuit being connected with all Base-Band Processing submodules is shared
A piece multimode smart antenna, to receive base station transmission wireless signal or by the multimode smart antenna to base station (or other
Cluster multimode intelligent terminal etc.) send wireless signal communicated.Shown multimode smart antenna, can be configured as with half-duplex
Mode works, and can also be worked with full duplex mode.
Further, the Base-Band Processing submodule, can be one of kernel of multinuclear BBP chip.
In described BBP chip, further comprising channel encoder, digital signal processor (DSP) and phase
The interface circuit answered.
Below by taking base band RX signal processing circuits and baseband TX signal process circuit in Base-Band Processing submodule 1 as an example,
The process that the utility model is handled baseband signal using base band processing device in communication is described in detail.
Send the process of signal：First, the numerical data inputted from host computer side (is such as sent into after host process from microphone
Obtained digitized voice data, digitalized data entered from the keyboard), pass through corresponding interface and reach Base-Band Processing submodule
1, then analog signal is converted into after being handled through D A switch module (D/A) 1, then passed through after after filtering/processing of gain module 1
Uplink module 1, again process TX filter modules 1 reach radio-frequency module (Fig. 1 is not shown), most launch afterwards through multimode smart antenna
Go.Wherein, when the numerical data from host computer side input passes through Base-Band Processing submodule 1, Base-Band Processing submodule 1 is according to quilt
The specific wireless communication standard of configuration (includes but is not limited to PDT, GSM, TD-SCDMA, WCDMA, FDD-LTE, TD-LTE etc.
Standard) handle the data-signal that up numerical data obtains different-format.The radio-frequency module is when launching upward signal, root
The network for the different systems for being currently configured work according to cluster multimode intelligent terminal is automatically selected to be carried out with corresponding working frequency range
Transmitting.
Receive the process of signal：Cluster multimode intelligent terminal receives base station by multimode smart antenna, RX filter modules 1
Or (signal is through carrying out noise reduction and amplifying during RX filtration modules 1 for the air analog signal of other cluster multimode intelligent terminals transmitting
Processing), during to downstream module 1, baseband signal is reverted under the effect of local clock pulses 1, then filtered/gain module 1 is adjusted
After whole gain, the data signal with sending signal same format is obtained by analog/digital conversion module 1, then by Base-Band Processing
The wireless communication standard that module 1 is used according to cluster multimode intelligent terminal is handled, and obtains corresponding numerical data.The number
Digital data can be further processed into multimode intelligent terminal host, obtain base station or other cluster multimode intelligent terminals hair
The voice signal or/and data message sent, is shown by loudspeaker or display screen.
Described above, preferred embodiment only of the present utility model is not intended to limit protection of the present utility model
Scope.
Claims (9)
1. a kind of band signal processor of police Digital Clustering PDT communication systems, it is characterised in that at the baseband signal
Reason device includes the Base-Band Processing submodule of more than 2, and each Base-Band Processing submodule is configured as supporting different nothings
Line communication network pattern or/and different working frequency range.
2. the band signal processor of PDT communication systems according to claim 1, it is characterised in that the Base-Band Processing
Submodule, TX signal processing circuits are sent comprising a Baseband Receiver RX signal processing circuit and a base band；The base band RX
Signal processing circuit, including RX filter modules, downstream module, filtering/gain module and the analog-to-digital conversion module being sequentially connected；
The baseband TX signal process circuit, including D/A converter module, filtering/gain module, uplink module and the TX being sequentially connected
Filter module.
3. the band signal processor of PDT communication systems according to claim 1, it is characterised in that the Base-Band Processing
Submodule is specially one of kernel of multinuclear BBP chip.
4. the band signal processor of PDT communication systems according to claim 1, it is characterised in that the Base-Band Processing
In device chip, further comprising channel encoder, digital signal processor and corresponding interface circuit.
5. according to the band signal processor of any one of Claims 1 to 4 PDT communication systems, it is characterised in that described
The side of band signal processor is cluster multimode intelligent terminal host, and opposite side is the radio frequency mould comprising multimode smart antenna
Block.
6. the band signal processor of PDT communication systems according to claim 5, it is characterised in that the multimode intelligence
Antenna is configured as working in a half duplex manner or with full duplex mode.
7. the band signal processor of PDT communication systems according to claim 1, it is characterised in that the radio communication
Network mode is the one or more in PDT, GSM, TD-SCDMA, WCDMA, FDD-LTE, TD-LTE standard.
8. the band signal processor of PDT communication systems according to claim 1 or 7, it is characterised in that the channel radio
The different operating frequency range of communication network pattern is PDT350/800MHz, TD-LTE 2500-2690MHz, WCDMA 900/
2100MHz, TD-SCDMA 1880-1920/2010-2025MHz, GSM 850/900/1800/1900MHz one or more.
9. a kind of cluster multimode intelligence of the band signal processor of PDT communication systems described in use claim 1~8 is eventually
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621268369.1U CN206506712U (en) | 2016-11-23 | 2016-11-23 | A kind of band signal processor of police digital clustering communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621268369.1U CN206506712U (en) | 2016-11-23 | 2016-11-23 | A kind of band signal processor of police digital clustering communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206506712U true CN206506712U (en) | 2017-09-19 |
Family
ID=59843706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621268369.1U Expired - Fee Related CN206506712U (en) | 2016-11-23 | 2016-11-23 | A kind of band signal processor of police digital clustering communication system |
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| CN (1) | CN206506712U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112714403A (en) * | 2019-10-24 | 2021-04-27 | 普天信息技术有限公司 | Multimode converged cluster system and communication method |
| CN112910488A (en) * | 2021-03-03 | 2021-06-04 | 福建科立讯通信有限公司 | Public and private network fusion system and data processing method thereof |
| CN113055965A (en) * | 2019-12-10 | 2021-06-29 | 成都鼎桥通信技术有限公司 | Wide-narrow dual-mode cluster terminal and mode switching method and device thereof |
-
2016
- 2016-11-23 CN CN201621268369.1U patent/CN206506712U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112714403A (en) * | 2019-10-24 | 2021-04-27 | 普天信息技术有限公司 | Multimode converged cluster system and communication method |
| CN113055965A (en) * | 2019-12-10 | 2021-06-29 | 成都鼎桥通信技术有限公司 | Wide-narrow dual-mode cluster terminal and mode switching method and device thereof |
| CN113055965B (en) * | 2019-12-10 | 2023-03-31 | 成都鼎桥通信技术有限公司 | Wide-narrow dual-mode cluster terminal and mode switching method and device thereof |
| CN112910488A (en) * | 2021-03-03 | 2021-06-04 | 福建科立讯通信有限公司 | Public and private network fusion system and data processing method thereof |
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| 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: 20170919 Termination date: 20191123 |