CN207021991U - A kind of autonomous controllable multimode communication device of wide and narrow strip integration - Google Patents
A kind of autonomous controllable multimode communication device of wide and narrow strip integration Download PDFInfo
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- CN207021991U CN207021991U CN201720979759.8U CN201720979759U CN207021991U CN 207021991 U CN207021991 U CN 207021991U CN 201720979759 U CN201720979759 U CN 201720979759U CN 207021991 U CN207021991 U CN 207021991U
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Abstract
The utility model proposes a kind of autonomous controllable multimode communication device of wide and narrow strip integration, including：ARM chips, fpga chip, first and second RF transceivers, first and second broadband wireless communications chips, exchanger chip, ethernet transceiver, wherein, SIM card outside the interface of ARM chips is connected, QSPI interfaces are connected with memory cell, MCS0 interfaces are connected with DDR3 internal storage locations, I2C interface is connected with mainboard and power board respectively, SPI interface is connected by digital analog converter DAC with constant-temperature crystal oscillator OCXO, it is connected by UART interface with contact pin, further it is connected with exchanger chip, exchanger chip is connected with ethernet transceiver, the external RJ45 interfaces of ethernet transceiver and optical port.The utility model, based on SDR technologies, not only supports that TETRA/LTE multiple networks standard, autgmentability are strong using hardware and software platform, modular design concept.
Description
Technical field
Communication and electronic information technical field are the utility model is related to, more particularly to a kind of wide and narrow strip integration is autonomous controllable
Multimode communication device.
Background technology
World's trunking communicating technology is just undergoing the conversion from analog to digital at present, and Digital Trunking Technologies are still with arrowband
Based on technology, PDT that Tetra, the P25 in the U.S., Chinese public security system that typical Digital Trunking Technologies have Europe are used etc. is main
Carry voice class business.However as the transformation of user's request, the support of data services becomes more and more important.With
The maturation of LTE technologies is commercial, and LTE flat architecture, high-speed data capability, the features such as fast, time delay is short of continuing also comply with private network
Requirement of the Communications Market for cluster communication, and will be occupied a tiny space in cluster communication in the market.Meanwhile narrow-band digital cluster
Due to technology maturation, networking cost is low, meets private network user's use habit, remains on and possesses very strong vitality.
The emergency communication system in China builds at an early stage of development, the development of Clustering and proposing for information level of the enterprise
Rise, it will drive the growth of comprehensive mobile communication business demand, as government to the emergency processing of accident, the emergent of petrochemical industry and
Operational management, the emergency scheduling of electric power, the operational commanding of national defence, the command and management etc. of public security.It is quick with national mould revolution
Propulsion and the fast development of broadband cluster industry, the emergency communication deployed around Digital Clustering and broadband cluster and command scheduling
Business will develop rapidly.Digitlization, broadband, syncretization are the development trends of trunking communicating technology from now on.
In narrow-band digital cluster field, Hai Nengda is proposed Tetra and PDT systems, and Pu Tian Eastcom is proposed Tetra systems
System, but the LTE system of independent research is there is no at present；In broadband cluster field, Huawei, general day, Xin Weideng companies are proposed and are based on
The group system of TD-LTE technologies, but the narrow-band digital group system of independent research is there is no at present.Existing product is either at present
Narrowband systems or broadband system, its hardware platform are single mode design framework, isomorphism numerical procedure, do not possess stronger hardware
Durability and autgmentability；And radio-frequency front-end is that discrete devices are built, the complexity of PCB and hardware debugging is added.
Utility model content
The purpose of this utility model is intended at least solve one of described technological deficiency.
Therefore, the purpose of this utility model is to propose a kind of autonomous controllable multimode communication device of wide and narrow strip integration.
To achieve these goals, embodiment of the present utility model provides a kind of autonomous controllable multimode of wide and narrow strip integration and led to
Believe equipment, including：
ARM chips, fpga chip, the first RF transceivers, the 2nd RF transceivers, the first broadband wireless communications chip and second
Broadband wireless communications chip, exchanger chip, ethernet transceiver, wherein,
SIM card outside the interface of the ARM chips is connected, the QSPI interfaces of the ARM chips are connected with memory cell,
The MCS0 interfaces of the ARM chips are connected with DDR3 internal storage locations, and I2C interface is connected with mainboard and power board respectively, the ARM
The SPI interface of chip is connected by digital-analog convertor DAC with constant-temperature crystal oscillator OCXO, by UART interface with inserting
Pin is connected, and the ARM chips are further connected with the exchanger chip, and the exchanger chip is received with the Ethernet
Hair device is connected, the external RJ45 interfaces of the ethernet transceiver and optical port；
The fpga chip is connected with buffer, phase-locked loop chip and the first broadband wireless communications chip, described slow
Storage is connected with the constant-temperature crystal oscillator OCXO and the phase-locked loop chip, the phase-locked loop chip further with voltage-controlled clock
Shake VCXO, the 2nd RF transceivers is connected with the second broadband wireless communications chip, the first broadband wireless communications core
Piece is further connected with the exchanger chip；
The first RF transceivers are connected by spi bus with the fpga chip, and are entered by small-signal transceiver
One step is connected with power amplifier.
Further, the first broadband wireless communications chip and the second broadband wireless communications chip use Digital Signal Processing
Dsp chip is realized.
Further, the memory cell uses Flash chip.
Further, DDR3 internal storage location of the first broadband wireless communications chip also with outside is connected.
Further, the fpga chip is further connected with RGPS chips, with reception antenna signal.
Further, the further optical port connection of the fpga chip.
According to the autonomous controllable multimode cluster device of the wide and narrow strip of the utility model embodiment integration, have below beneficial to effect
Fruit：
Using hardware and software platform, modular design concept, based on SDR technologies, TETRA/LTE multiple network systems are not only supported
Formula, realize multi-standard cobasis band, cascode frequency but also support the upgrading evolution of network subsequent, autgmentability is strong；
Multimode system carries out network design, realizes multi-network coexisted, common transmission, exchanges altogether, common terminal, effectively saves money
Source, network construction cost is greatly lowered, while takes into account the demand of future network evolution, reduce hardware overlapping investment, extend system
System service life.
The utility model has huge application value in army, once succeed in developing and equip army, it will greatly push away
Move my army's Informatization Development process, my army's military communication means are produced it is revolutionary influence, and can be widely applied to track traffic,
The commercial markets such as airport harbour, production of energy scheduling, sea fishery, ocean scientific investigation, field work, rescue and relief work, have very big
Social benefit.
The additional aspect of the utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the Organization Chart according to the autonomous controllable multimode cluster device of wide and narrow strip integration of the utility model embodiment；
Fig. 2 is the circuit diagram according to the autonomous controllable multimode cluster device of wide and narrow strip integration of the utility model embodiment.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
The utility model proposes a kind of autonomous controllable multimode communication device of wide and narrow strip integration, in order to take into account integration and divide
From the application demand of formula, reaching the target that a secondary design is repeatedly multiplexed as far as possible, this cluster product is designed as starting point with RRU,
But integrated DSP and high steady clock, are made up of Z7045 (FPGA+ARM)+MSC8157 (DSP)+AD9371 (RF) on its core board
Core board, integral system eNodeB+EPC is thus constituted, it comprises LTE and Tetra wide and narrow strip convergence platforms, system are whole
Body topology is as shown in Figure 1.Also support SRIO interfaces, effect bag in hardware design in addition to CPRI interfaces between DSP and FPGA
Include：(1) the non-3 gpp agreements such as Tetra are supported；(2) retain and DPD is moved into DSP possibilities by FPGA.
As depicted in figs. 1 and 2, the autonomous controllable multimode cluster device of wide and narrow strip integration of the utility model embodiment, bag
Include：ARM chips, fpga chip, the first RF transceivers, the 2nd RF transceivers, the first broadband wireless communications chip and the second broadband
Wireless communication chips, exchanger chip, ethernet transceiver.
SIM card outside the interface of ARM chips is connected, and the QSPI interfaces of ARM chips are connected with memory cell, ARM chips
MCS0 interfaces be connected with DDR3 internal storage locations, I2C interface is connected with mainboard and power board respectively, and the SPI interface of ARM chips leads to
Cross digital-analog convertor DAC to be connected with constant-temperature crystal oscillator OCXO, be connected by UART interface with contact pin, and ARM cores
Piece is further connected with exchanger chip, and exchanger chip is connected with ethernet transceiver, and the external RJ45 of ethernet transceiver connects
Mouth and optical port.
In one embodiment of the present utility model, memory cell uses Flash chip.Exchanger chip uses model
BCM5396 gigabit switch chip, ethernet transceiver use model BCM5482 Ethernet transceiving chip.
ARM chips are further communicatively coupled by chip KZ9031 and RJ45 interfaces.
Fpga chip is connected with buffer buffer, phase-locked loop chip and the first broadband wireless communications chip, the first broadband
DDR3 internal storage location of the wireless communication chips also with outside is connected.
Buffer is connected with constant-temperature crystal oscillator OCXO and phase-locked loop chip, and phase-locked loop chip further shakes with voltage-controlled clock
VCXO, the 2nd RF transceivers and the second broadband wireless communications chip are connected, and the first broadband wireless communications chip is further with exchanging
Movement piece is connected.
In one embodiment of the present utility model, the first broadband wireless communications chip and the second broadband wireless communications chip
Realized using Digital Signal Processing dsp chip.First broadband wireless communications chip uses model MSF8157 dsp chip.The
Two broadband wireless communications chips use model DSP8157 dsp chip.Phase-locked loop chip uses model AD9528 lock phase
Ring core piece.
First RF transceivers are connected by spi bus with fpga chip, and by small-signal transceiver further with work(
Rate amplifier connects.
In one embodiment of the present utility model, the first and second RF transceivers are received using model AD9371 RF
Send out device.
In addition, fpga chip is further connected with RGPS chips, with reception antenna signal.The further optical port of fpga chip connects
Connect.Test interface of the fpga chip also with outside is connected, and is connected with power end, and controlig power board simultaneously carries out power supply signal
Detection.
The utility model proposes a kind of autonomous controllable multimode communication device of wide and narrow strip integration to realize width using following manner
Band transceiver.Using newest wide band radio-frequency transceiving device AD9371, the durability of radio frequency design is improved, reduces long-term R ＆ D
Cost.The transmitting-receiving of 400M-4G broadbands is supported, bandwidth of operation reaches 200M, covers Tetra target frequency bands 800M, LTE target frequency bands
600-700M。
The utility model realizes multimode system hardware platform altogether, the distribution of unified system clock.In multimode system platform,
Multiple modalities baseband signal and protocol processes are unified on DSP and PowerPC and realized, Tetra/M-Tetra related softwares
With the common hardware platform of LTE protocol software.It is also each to clock, the demand interrupted because different systems has different symbol rates
Differ.In view of military 1 time slot 24ms of Digital Clustering, and 1 subframe 1ms of LTE system, then system interrupt signals design are pressed
Carry out according to LTE system, interruption is counted so as to determine how to handle inside application program when handling cluster.
In order that two kinds of technological incorporation symbiosis of wide and narrow strip, learning from other's strong points to offset one's weaknesses, make user in the scope of business of oneself, can basis
The different demands in specific region flexibly select narrowband speech cluster to cover or wideband data cluster covers, this product utility model
Realize following innovation：
Combination network：Multi-standard base station flexible combination, full broadband, full arrowband, width mixing, width superposition covering because need and
It is fixed；
Fused business：Data service is uniformly accessed into.Business service is based entirely on the interface of standard, full IPization.No matter network
How to change, increase and decrease Tetra, LTE base station, can keep highly stable in service layer
Fusion exchanges：LTE and Tetra shares core net, seamless fusion.The scheme using gateway intercommunication is totally different from,
Compatible LTE clusters and Tetra cluster protocols are realized in core net aspect, either LTE base station or Tetra base stations can unite
One is linked into the core net, and can be managed collectively.
According to the autonomous controllable multimode cluster device of the wide and narrow strip of the utility model embodiment integration, have below beneficial to effect
Fruit：
Using hardware and software platform, modular design concept, Hardware platform design is based on software and radio technique, realizes that multimode is set
Meter, TETRA/LTE multiple networks standard is not only supported, multi-standard cobasis band, cascode frequency is realized but also supports network subsequent
Upgrade evolution, autgmentability is strong；
Using wide band radio-frequency transceiving device AD9371, using integrated radio-frequency front-end, avoid using complicated separator
Part, with reference to high-speed serial bus JESD204B, the difficulty of PCB making sheet is reduced, alleviates the pressure that hardware is debugged.
The hardware computing resource of this equipment uses DSP+FPGA+ARM combination, can arrive different types of service adaptation
In different computing resources, meet the designer trends of current Heterogeneous Computing framework.
Multimode system carries out network design, realizes multi-network coexisted, common transmission, exchanges altogether, common terminal, effectively saves money
Source, network construction cost is greatly lowered, while takes into account the demand of future network evolution, reduce hardware overlapping investment, extend system
System service life.
The utility model has huge application value in army, once succeed in developing and equip army, it will greatly push away
Move my army's Informatization Development process, my army's military communication means are produced it is revolutionary influence, and can be widely applied to track traffic,
The commercial markets such as airport harbour, production of energy scheduling, sea fishery, ocean scientific investigation, field work, rescue and relief work, have very big
Social benefit.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as not departing from the utility model to limitation of the present utility model, one of ordinary skill in the art
Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and
Modification.The scope of the utility model is by appended claims and its equivalent limits.
Claims (6)
- A kind of 1. autonomous controllable multimode communication device of wide and narrow strip integration, it is characterised in that including：ARM chips, fpga chip, First RF transceivers, the 2nd RF transceivers, the first broadband wireless communications chip and the second broadband wireless communications chip, exchanger core Piece, ethernet transceiver, wherein,SIM card outside the interface of the ARM chips is connected, and the QSPI interfaces of the ARM chips are connected with memory cell, are described The MCS0 interfaces of ARM chips are connected with DDR3 internal storage locations, and I2C interface is connected with mainboard and power board respectively, the ARM chips SPI interface be connected by digital-analog convertor DAC with constant-temperature crystal oscillator OCXO, pass through UART interface and contact pin and connect Connect, and the ARM chips are further connected with the exchanger chip, the exchanger chip and the ethernet transceiver It is connected, the external RJ45 interfaces of the ethernet transceiver and optical port；The fpga chip is connected with buffer, phase-locked loop chip and the first broadband wireless communications chip, the buffer It is connected with the constant-temperature crystal oscillator OCXO and the phase-locked loop chip, the phase-locked loop chip further shakes with voltage-controlled clock VCXO, the 2nd RF transceivers are connected with the second broadband wireless communications chip, the first broadband wireless communications chip Further it is connected with the exchanger chip；The first RF transceivers are connected by spi bus with the fpga chip, and further by small-signal transceiver It is connected with power amplifier.
- 2. the autonomous controllable multimode communication device of wide and narrow strip integration as claimed in claim 1, it is characterised in that described first is wide Band wireless communication chips and the second broadband wireless communications chip are realized using Digital Signal Processing dsp chip.
- 3. the autonomous controllable multimode communication device of wide and narrow strip integration as claimed in claim 1, it is characterised in that the storage is single Member uses Flash chip.
- 4. the autonomous controllable multimode communication device of wide and narrow strip integration as claimed in claim 1, it is characterised in that described first is wide DDR3 internal storage locations with wireless communication chips also with outside are connected.
- 5. the autonomous controllable multimode communication device of wide and narrow strip integration as claimed in claim 1, it is characterised in that the FPGA cores Piece is further connected with RGPS chips, with reception antenna signal.
- 6. the autonomous controllable multimode communication device of wide and narrow strip integration as claimed in claim 1, it is characterised in that the FPGA cores The further optical port connection of piece.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114884579A (en) * | 2022-04-28 | 2022-08-09 | 中国人民解放军国防科技大学 | Universal control module for signal receiving system of ultra-high-speed optical network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114884579A (en) * | 2022-04-28 | 2022-08-09 | 中国人民解放军国防科技大学 | Universal control module for signal receiving system of ultra-high-speed optical network |
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