CN201590819U - Point-to-multipoint scattering communications system - Google Patents
Point-to-multipoint scattering communications system Download PDFInfo
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- CN201590819U CN201590819U CN2010201217658U CN201020121765U CN201590819U CN 201590819 U CN201590819 U CN 201590819U CN 2010201217658 U CN2010201217658 U CN 2010201217658U CN 201020121765 U CN201020121765 U CN 201020121765U CN 201590819 U CN201590819 U CN 201590819U
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Abstract
The utility model discloses a point-to-multipoint scattering communication system, which relates to a small-capacity scattering communication device, a scattering communication relay device and an emergency communication device in communication field. The point-to-multipoint scattering communication system comprises a base station and a plurality of peripheral stations (more than or equal to two and no more than four), and each station is provided with a communication vehicle. The system adopts BPSK/linear FM modulation and demodulation method and fourfold/eightfold diversity technique with capability of anti-fading channel to realize purpose of point-to-multipoint troposphere scattering communication. The system is further has advantages of high degree of integration, great function, simple operation, stable and reliable performance and the like, is particularly suitable for point-to-multipoint scattering communication and emergency scattering communication.
Description
Technical field
The utility model relates to a kind of employing quadruple/eightfold diversity and linear frequency modulation point-to-multipoint scatter communication system device in the communications field, be specially adapted to low capacity point-to-multipoint tropospheric scatter communication system, also be applicable to as the point-to-point tropospheric scatter communication system of low capacity lightweight and have the tropospheric scatter communication system that relaying requires.
Background technology
The tropospheric scatter channel has flat fading characteristic and selectivity fading characteristic as a kind of typically multipath channel at random, and these all are the key properties that has a strong impact on the signal transmission.And diversity reception smooth signal rapid fading just, the otherwise effective technique measure that improves system signal noise ratio.Present have living space diversity and frequency diversity of the diversity mode that tropospheric scatter communica-tion is commonly used, space diversity can be selected antenna and the above transceiver of two covers more than two pairs for use according to the spatial selectivity of decline, transmits and receives signal simultaneously in different positions; Frequency diversity can be selected incoherent frequency transmission identical information more than two for use according to the frequency selectivity of decline.Frequency diversity can be divided into frequency diversity and the outer frequency of band in the band again, and the interior frequency diversity of band at first is divided into plural time zone with an information code element from the time, is modulated on the different frequency then and transmits; Being with outer frequency diversity is whole information code element to be modulated to respectively on the plural different frequency transmit.Frequency diversity only needs a cover transceiver in the band, is with outer frequency diversity then to need the above transceiver of two covers, and complex structure, power hungry and cost costliness have greatly limited the extensive use of scatter communication in each field.
The utility model content
The purpose of this utility model is to solve the scattering point-to-multipoint mentioned in the above-mentioned background technology and uses and avoid weak point such as equipment complexity and a kind of low capacity is provided, has the point-to-multipoint scatter communication system of quadruple diversity and two kinds of mode of operations of eightfold diversity, the utlity model has stable performance, strong, the integrated degree height of anti-fading ability, characteristics such as easy and simple to handle, can be used for point-to-multipoint to communication system, point-to-point emergency communication system, also can be applicable to relay communications system; The utility model has adopted has strong anti-interference and anti-linear frequency modulation spread spectrum system of detecing receipts, not only strengthened the anti-interference and anti-receipts performance of detecing of communication system, and its approximate rectangular spectral property extremely is beneficial to and gives full play to transmitter power, and its separating multiple diameter ability helps system to adopt time diversity technique on the basis that does not increase hardware cost simultaneously.The utility model has also adopted 8 heavy diversity modes or two 4 heavy diversity modes, supports the modulation and demodulation of two group signals, makes a peripheral station can finish relay function on the basis that does not increase equipment, has saved cost.The utility model has adopted a kind of simple, anti-fading bit synchronization extracting method that the FPGA resource overhead is little, brand-new, has improved the communication performance and the reliable and stable performance of equipment.
The purpose of this utility model is achieved in that a kind of point-to-multipoint scatter communication system, comprise base station and peripheral station, the input port of base station is connected with input port with the corresponding output end mouth of peripheral station respectively with output port, and described peripheral station is a plurality of, can be 2,3 or 4; Wherein output port 1 pin of base station connects outside lan data receiving port A1, output port 2 pin connect outside speech receiving port B1, output port 3 pin connect external asynchronous Data Receiving port C1, input port 4 pin connect outside lan data transmit port D1, input port 5 pin connect outside speech transmit port E1, input port 6 pin connect external asynchronous data sending terminal mouth F1, and input port 7 pin connect external AC 220V transmit port G1; Outer output port 3 pin that change the station connect outside lan data receiving port A2, output port 4 pin connect outside speech receiving port B2, output port 5 pin connect external asynchronous Data Receiving port C2, input port 6 pin connect outside lan data transmit port D2, input port 7 pin connect outside speech transmit port E2, input port 8 pin connect external asynchronous data sending terminal mouth F2, and input port 9 pin connect external AC 220V transmit port G2.
The utility model is compared background technology and is had following advantage:
1. low frequency equipment of the present utility model is supported the modulation and demodulation of two group signals, can be operated in 8 heavy diversity modes or two 4 heavy diversity modes, makes a peripheral station can finish relay function on the basis that does not increase any equipment.
2 integrated service digital terminal collection of the present utility model are multiplexing, be exchanged for the transmission needs that one can satisfy multiple business.
3 the utility model have adopted plate aerial first.This antenna has the characteristics of efficient height, non-feed source, can effectively reduce antenna volume, again because therefore non-feed source is very suitable for entrucking.Owing to adopted this technology, realize installing on the base station communication car version of 5 surface antennas, and need not mast, manipulate performance and obviously improve.
The above radio frequency part of 4 the utility model intermediate frequencies adopts incorporate design, power amplifier, transceiver, duplexer are integrated in the cabinet, and the transmission duplex filter utilizes waveguide switch to realize the switching of height frequency range.Reduce volume, improved performance, increased reliability.
Strong, the graphical demonstration of 5 centralized supervisory and control equi functions of the present utility model, easy for operation.All operations all can be finished at common control equipment, and inquiry and demonstration groundwork state and parameter.The centralized monitor of base station not only can monitor and control local device, can also monitor the equipment state of 4 peripheral stations.The peripheral station centralized monitor can monitor the working condition of two ends station equipment when using as relay station.
5, the automatic alignment function of antenna of the utility model monitoring is fairly perfect.The base station is owing to there are 5 surface antennas, and adopting traditional antenna to aim at software adjustment antenna automatically need take a long time, and aims at software automatically by well-designed antenna and has reduced the adjustment time widely.
6. the utility model has adopted and has had strong anti-interference and anti-linear frequency modulation spread spectrum system of detecing receipts, not only strengthened the anti-interference and anti-receipts performance of detecing of communication system, and its approximate rectangular spectral property extremely is beneficial to and gives full play to transmitter power, helps simultaneously adopting time diversity technique not increasing on the system hardware basis.
7. critical piece of the present utility model adopts extensive field programmable device to make, and therefore can realize modification to this device operating parameters neatly by disposing different programs.
Description of drawings
Fig. 1 is a functional-block diagram of the present utility model;
Fig. 2 is the functional-block diagram of the utility model base station;
Fig. 3 is the functional-block diagram of the utility model peripheral station.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model is made up of base station 1 and peripheral station, and embodiment adopts 4 peripheral stations, i.e. peripheral station 2, peripheral station 3, peripheral station 4 and peripheral station 5.Fig. 1 is electric functional-block diagram of the present utility model (system's maximum configured), and embodiment presses Fig. 1 connection line.
Among Fig. 1, the utility model is made up of base station 1 and peripheral station 2, peripheral station 3, peripheral station 4 and peripheral station 5.It is made up of base station 1, peripheral station 2, peripheral station 3, peripheral station 4, peripheral station 5.Wherein output port 1 pin of base station 1 connects outside lan data receiving port A1, output port 2 pin connect outside speech receiving port B1, output port 3 pin connect external asynchronous Data Receiving port C1, input port 4 pin connect outside lan data transmit port D1, input port 5 pin connect outside speech transmit port E1, input port 6 pin connect external asynchronous data sending terminal mouth F1, input port 7 pin connect external AC 220V transmit port G1, output port 8 pin and input port 9 pin are connected input port 1 pin and output port 2 pin of peripheral station 2 respectively by wireless scatter channel, output port 10 pin and input port 11 pin are connected input port 1 pin and output port 2 pin of peripheral station 3 respectively by wireless scatter channel, output port 12 pin and input port 13 pin are connected input port 1 pin and output port 2 pin of peripheral station 4 respectively by wireless scatter channel, and output port 14 pin and input port 15 pin are connected input port 1 pin and output port 2 pin of peripheral station 5 respectively by wireless scatter channel; Output port 1 pin of peripheral station 2 connects outside lan data receiving port A2, output port 2 pin connect outside speech receiving port B2, output port 3 pin connect external asynchronous Data Receiving port C2, input port 4 pin connect outside lan data transmit port D2, input port 5 pin connect outside speech transmit port E2, input port 6 pin connect external asynchronous data sending terminal mouth F2, and input port 7 pin connect external AC 220V transmit port G2; Output port 1 pin of peripheral station 3 connects outside lan data receiving port A3, output port 2 pin connect outside speech receiving port B3, output port 3 pin connect external asynchronous Data Receiving port C3, input port 4 pin connect outside lan data transmit port D3, input port 5 pin connect outside speech transmit port E3, input port 6 pin connect external asynchronous data sending terminal mouth F3, and input port 7 pin connect external AC 220V transmit port G3; Output port 1 pin of peripheral station 4 connects outside lan data receiving port A4, output port 2 pin connect outside speech receiving port B4, output port 3 pin connect external asynchronous Data Receiving port C4, input port 4 pin connect outside lan data transmit port D4, input port 5 pin connect outside speech transmit port E4, input port 6 pin connect external asynchronous data sending terminal mouth F4, input port 7 pin connect external AC 220V transmit port G4, output port 1 pin of peripheral station 5 connects outside lan data receiving port A5, output port 2 pin connect outside speech receiving port B5, output port 3 pin connect external asynchronous Data Receiving port C5, input port 4 pin connect outside lan data transmit port D5, input port 5 pin connect outside speech transmit port E5, input port 6 pin connect external asynchronous data sending terminal mouth F5, and input port 7 pin connect external AC 220V transmit port G5.
System can carry out a bit (base station 1) simultaneously to 4 points (peripheral station 2, peripheral station 3, peripheral station 4, the peripheral station 5) transmission of totally 4 road group signals.8 road speeches/exchanger user trunk line is supported in base station 1, and the transmission of 4 road LAN business and 8 circuit-switched data business supports wired drawing to connect the teletransmission function; Peripheral station (peripheral station 2, peripheral station 3, peripheral station 4, peripheral station 5) is supported 2 road speeches/exchanger user trunk line, the transmission that 1 road LAN is professional and 2 ways are engaged in, and supports wired drawing to connect the teletransmission function.
Among Fig. 2, base station 1 of the present utility model is by integrated service multiplex terminal equipment 6, make up and teletransmission equipment 7 on first group of road, make up and teletransmission equipment 8 on second group of road, scatter communication low frequency equipment 9, scatter communication low frequency equipment 10, scatter communication low frequency equipment 11, scatter communication low frequency equipment 12, intermediate frequency Cross Connect equipment 13, scatter communication high-frequency apparatus 14, scatter communication high-frequency apparatus 15, scatter communication high-frequency apparatus 16, scatter communication high-frequency apparatus 17, scatter communication high-frequency apparatus 18, antenna 19, antenna 20, antenna 21, antenna 22, antenna 23, antenna controling equipment 24, common control equipment 25 and power distribution cabinet 26 are formed.Fig. 2 is an electric functional-block diagram of the present utility model, and embodiment presses Fig. 2 connection line.
Wherein output port 1 pin of integrated service multiplex terminal equipment 6 connects outside lan data receiving port A1, output port 2 pin connect outside speech receiving port B1, output port 3 pin connect external asynchronous Data Receiving port C1, input port 4 pin connect outside lan data transmit port D1, input port 5 pin connect outside speech transmit port E1, input port 6 pin connect external asynchronous data sending terminal mouth F1, output port 7,8,9,10 pin and input port 11,12,13,14 pin connect the input port 1 of first group of road combination and teletransmission equipment 7 respectively, 2,3,4 pin and output port 5,6,7,8 pin; Input port 1 pin and output port 2 pin that are connected second group of road combination and teletransmission equipment 8 with teletransmission equipment 7 output ports 11 pin and input port 12 pin are respectively made up on first group of road; Input port 1 pin and output port 2 pin that are connected scatter communication low frequency equipment 9 with teletransmission equipment 8 output ports 3 pin and input port 4 pin are respectively made up on second group of road, output port 5 pin and input port 6 pin are connected input port 1 pin and output port 2 pin of scatter communication low frequency equipment 10 respectively, output port 7 pin and input port 8 pin are connected input port 1 pin and output port 2 pin of scatter communication low frequency equipment 11 respectively, and output port 9 pin and input port 10 pin are connected input port 1 pin and output port 2 pin of scatter communication low frequency equipment 12 respectively; Output port 3 pin of scatter communication low frequency equipment 9 connect outside duties words receiving port G, input port 4 pin connect outside duties words transmit port H, and output port 5,6 pin and input port 7,8 pin are connected input port 1,2 pin and output port 3,4 pin of intermediate frequency Cross Connect equipment 13 respectively; Output port 3 pin of scatter communication low frequency equipment 10 connect outside duties words receiving port I, input port 4 pin connect outside duties words transmit port J, and output port 5,6 pin and input port 7,8 pin are connected input port 5,6 pin and output port 7,8 pin of intermediate frequency Cross Connect equipment 13 respectively; Output port 3 pin of scatter communication low frequency equipment 11 connect outside duties words receiving port K, input port 4 pin connect outside duties words transmit port L, and output port 5,6 pin and input port 7,8 pin are connected input port 9,10 pin and output port 11,12 pin of intermediate frequency Cross Connect equipment 13 respectively; Output port 3 pin of scatter communication low frequency equipment 12 connect outside duties words receiving port M, input port 4 pin connect outside duties words transmit port N, and output port 5,6 pin and input port 7,8 pin are connected input port 13,14 pin and output port 15,16 pin of intermediate frequency Cross Connect equipment 13 respectively; Output port 17 pin of intermediate frequency Cross Connect equipment 13 and input port 18 pin are connected input port 1 pin and output port 2 pin of scatter communication high-frequency apparatus 14 respectively, output port 19 pin and input port 20 pin are connected input port 1 pin and output port 2 pin of scatter communication high-frequency apparatus 15 respectively, output port 21 pin and input port 22 pin are connected input port 1 pin and output port 2 pin of scatter communication high-frequency apparatus 16 respectively, output port 23 pin and input port 24 pin are connected input port 1 pin and output port 2 pin of scatter communication high-frequency apparatus 17 respectively, and output port 25 pin and input port 26 pin are connected input port 1 pin and output port 2 pin of scatter communication high-frequency apparatus 18 respectively; Input/output port 3 pin of scatter communication high-frequency apparatus 14 connect I/O mouth 1 pin of antenna 19; Input/output port 3 pin of scatter communication high-frequency apparatus 15 connect I/O mouth 1 pin of antenna 20; Input/output port 3 pin of scatter communication high-frequency apparatus 16 connect I/O mouth 1 pin of antenna 21; Input/output port 3 pin of scatter communication high-frequency apparatus 17 connect I/O mouth 1 pin of antenna 22; Input/output port 3 pin of scatter communication high-frequency apparatus 18 connect I/O mouth 1 pin of antenna 23; Antenna controling equipment 24 I/O mouths 1 are connected to the corresponding port of antenna 19, antenna 20, antenna 21, antenna 22, antenna 23; Common control equipment 25 is connected to each corresponding extension set with the I2C bus mode by the port one pin; Input port 1 pin of power distribution cabinet 26 connects outside port AC220V input port G1, and the voltage+V of output port 2 pin output is connected to the corresponding power port of each extension set; The output port 8 of antenna 19 and input port 9 are connected the input port 1 and the output port 2 of peripheral station 2 respectively by wireless channel; The output port 10 of antenna 20 and input port 11 are connected the input port 1 and the output port 2 of peripheral station 3 respectively by wireless channel; The output port 12 of antenna 21 and input port 13 are connected the input port 1 and the output port 2 of peripheral station 4 respectively by wireless channel; The output port 14 of antenna 22 and input port 15 are connected the input port 1 and the output port 2 of peripheral station 5 respectively by wireless channel; The I/O mouth of antenna 23 is connected by one in wireless channel and peripheral station 2, peripheral station 3, peripheral station 4, the peripheral station 5 according to system's setting.
The effect of integrated service multiplex terminal equipment 6 is tandems of finishing exchange, data service and the IP operation of the multiple connection of speech, data, IP operation and tap and speech among Fig. 2, realizes interconnecting of miscellaneous service.The combination of the first group of road and teletransmission equipment 7 and the second group of road combination are to finish group road multiple connection and teletransmission function with the effect of teletransmission equipment 8.The effect of scatter communication low frequency equipment 9, scatter communication low frequency equipment 10, scatter communication low frequency equipment 11 and scatter communication low frequency equipment 12 is detection and merging of finishing the intermediate frequency Modulation of baseband signal and demodulation, diversity signal.The effect of intermediate frequency Cross Connect equipment 13 is the combinations of finishing between 5 high-frequency apparatus (scatter communication high-frequency apparatus 14, scatter communication high-frequency apparatus 15, scatter communication high-frequency apparatus 16, scatter communication high-frequency apparatus 17 and scatter communication high-frequency apparatus 18) and 4 low frequency equipment (scatter communication low frequency equipment 9, scatter communication low frequency equipment 10, scatter communication low frequency equipment 11 and scatter communication low frequency equipment 12) that are connected.The effect of scatter communication high-frequency apparatus 14, scatter communication high-frequency apparatus 15, scatter communication high-frequency apparatus 16, scatter communication high-frequency apparatus 17 and scatter communication high-frequency apparatus 18 is mapping functions of finishing between intermediate-freuqncy signal and the radiofrequency signal, simultaneously the sending and receiving signal is carried out filtering and amplification.The effect of antenna 19, antenna 20, antenna 21, antenna 22 and antenna 23 is to finish emission of radio frequency signals and reception.The effect of antenna controling equipment 24 is to control setting up and collecting of antenna 19, antenna 20, antenna 21, antenna 22 and the antenna 23 of communication truck roof.The effect of common control equipment 25 is to realize each equipment in the base station 1 is carried out state-detection and parameter setting, also can the operating state of the equipment in peripheral station 2 far away, peripheral station 3, peripheral station 4, the peripheral station 5 be monitored simultaneously.The effect of power distribution cabinet 26 is to provide power supply for each equipment.
Among Fig. 3, peripheral station of the present utility model is made up of with teletransmission equipment 29, scatter communication low frequency equipment 30, scatter communication high-frequency apparatus 31, scatter communication high-frequency apparatus 32, antenna 33, antenna 34, antenna controling equipment 35, antenna controling equipment 36, common control equipment 37 and power distribution cabinet 38 with teletransmission equipment 28, the combination of group road integrated service multiplex terminal equipment 27, the combination of group road.Fig. 3 is an electric functional-block diagram of the present utility model, and embodiment presses Fig. 3 connection line.
Wherein output port 1 pin of integrated service multiplex terminal equipment 27 connects outside lan data receiving port A2, output port 2 pin connect outside speech receiving port B2, output port 3 pin connect external asynchronous Data Receiving port C2, input port 4 pin connect outside lan data transmit port D2, input port 5 pin connect outside speech transmit port E2, input port 6 pin connect external asynchronous data sending terminal mouth F2, and output port 7, pin and input port 8 pin are connected input port 1, pin and output port 2 pin of group road combination and teletransmission equipment 28 respectively; The group makes up on the road input port 1 pin and output port 2 pin that are connected group road combination and teletransmission equipment 29 with teletransmission equipment 28 output ports 3 pin and input port 4 pin respectively; The group makes up input port 1 pin and output port 2 pin that are connected scatter communication low frequency equipment 30 with teletransmission equipment 29 output ports 3 pin and input port 4 pin respectively in the road; Output port 3 pin of scatter communication low frequency equipment 30 connect outside duties words receiving port J, input port 4 pin connect outside duties words transmit port H, output port 5 pin and input port 6 pin are connected input port 1 pin and output port 2 pin of scatter communication high-frequency apparatus 31 respectively, and output port 7 pin and input port 8 pin are connected input port 1 pin and output port 2 pin of scatter communication high-frequency apparatus 32 respectively; Input/output port 3 pin of scatter communication high-frequency apparatus 31 connect I/O mouth 3 pin of antenna 33; Input/output port 3 pin of scatter communication high-frequency apparatus 32 connect I/O mouth 3 pin of antenna 34; Input port 4 pin of antenna 33 connect output port 1 pin of antenna controling equipment 35; Input port 4 pin of antenna 34 connect output port 2 pin of antenna controling equipment 36; Common control equipment 37 is connected to each corresponding extension set with the I2C bus mode by the port one pin; Input port 1 pin of power distribution cabinet 38 connects outside port AC220V input port G2, and the voltage+V of output port 2 pin output is connected to the corresponding power port of each extension set; The input port 1 of antenna 33 is connected with input port 9 pin with the output port 8 of base station 1 respectively by wireless channel with output port 2 pin; The input port 1 of antenna 34 is connected with input port 9 pin with the output port 8 of base station 1 respectively by wireless channel with output port 2 pin.
The effect of the integrated service multiplex terminal equipment 27 among Fig. 3 is tandems of finishing exchange, data service and the IP operation of the multiple connection of speech, data, IP operation and tap and speech, realizes interconnecting of miscellaneous service.Combination of group road and teletransmission equipment 28 and the combination of group road are to finish group road multiple connection and teletransmission function with the effect of teletransmission equipment 29.The effect of scatter communication low frequency equipment 30 is detection and merging of finishing the intermediate frequency Modulation of baseband signal and demodulation, diversity signal.The effect of scatter communication high-frequency apparatus 31 and scatter communication high-frequency apparatus 32 is mapping functions of finishing between intermediate-freuqncy signal and the radiofrequency signal, simultaneously the sending and receiving signal is carried out filtering and amplification.The effect of antenna 33 and antenna 34 is to finish emission of radio frequency signals and reception.The effect of antenna controling equipment 35 and antenna controling equipment 36 is to control setting up and collecting of the antenna of communication truck roof 33, antenna 34 respectively.The effect of common control equipment 37 is to realize each equipment in the peripheral station 2 is carried out state-detection and parameter setting.The effect of power distribution cabinet 38 is to provide power supply for each equipment.
The utility model operation principle is as follows: on the down direction (base station 1-peripheral station 2, peripheral station 3, peripheral station 4, peripheral station 5), speech, data, IP operation and in base station 1, finish the exchange and multiple connection, and with reserve 1 tunnel idle time slot and talk about to duties, export 4 road group signals altogether, the direction that arrives according to business is assigned in the different group roads, and finish with the multiple connection of duties words after, encrypt by crypto, modulate, frequency conversion, power amplification are arrived peripheral station (peripheral station 2, peripheral station 3, peripheral station 4, peripheral station 5) through antenna transmission again.Processing such as peripheral station (peripheral station 2, peripheral station 3, peripheral station 4, peripheral station 5) receives, demodulation finally are reduced to speech and data, finish the speech exchange of sound sign indicating number words, and have the transmission of data link setup and IP operation and the function that continues.On the up direction (peripheral station 2, peripheral station 3, peripheral station 4, peripheral station 5-base station 1), the speech of each peripheral station (peripheral station 2, peripheral station 3, peripheral station 4, peripheral station 5), data, IP operation and the multiple connection of duties words road information are in groups encrypted by crypto, modulate again, frequency conversion, power amplification are arrived base station 1 through antenna transmission, finish frequency conversion, demodulation in the base station 1, recover information, finally finish the continuing of exchange, data link setup, IP operation of speech.When communicating by letter between the peripheral station (peripheral station 2, peripheral station 3, peripheral station 4, peripheral station 5), finish the switching of speech, data and IP operation by base station 1.When emergency communication, base station 1 becomes less speed with peripheral station 2, peripheral station 3, peripheral station 4, peripheral station 5 in the group road of some directions (or a plurality of direction) speed.Under the circuit condition of severe, can guarantee the transmission of 1 road speech and 1 circuit-switched data.Base station 1 corresponding passage, peripheral station (corresponding peripheral station) transfer contingency mode to.When a certain peripheral station was constituted the emergency communication link, this emergency communication link and other three group road communication links can carry out speech, data communication.
The operation principle of the utility model base station 1 is as follows: make a start: speech, data, information such as LAN business are output as four tunnel group road information flows through integrated service multiplex terminal equipment 6, send into four corresponding scattering low frequency equipment (scatter communication low frequency equipment 9 respectively, scatter communication low frequency equipment 10, scatter communication low frequency equipment 11, scatter communication low frequency equipment 12), be configured in the scattering low frequency equipment and (comprise scatter communication low frequency equipment 9, scatter communication low frequency equipment 10, scatter communication low frequency equipment 11, scatter communication low frequency equipment 12) group's road sector card is encrypted, and the group's way word signal after the encryption is assisted multiple connection with duties information and finished the modulation of information in modulator.Each scattering low frequency equipment is exported 2 tunnel intermediate-freuqncy signals, deliver to intermediate frequency Cross Connect equipment 13, intermediate frequency Cross Connect equipment 13 five tunnel outputs is altogether given 5 scatter communication high-frequency apparatus (scatter communication high-frequency apparatus 14 respectively, scatter communication high-frequency apparatus 15, scatter communication high-frequency apparatus 16, scatter communication high-frequency apparatus 17, scatter communication high-frequency apparatus 18), at each scatter communication high-frequency apparatus (is scatter communication high-frequency apparatus 14, scatter communication high-frequency apparatus 15, scatter communication high-frequency apparatus 16, scatter communication high-frequency apparatus 17, scatter communication high-frequency apparatus 18) the inner up-conversion of finishing signal respectively, functions such as power amplification, output radiofrequency signal, radiofrequency signal respectively by with five five surface antennas (antennas 19 that the scatter communication high-frequency apparatus is corresponding, antenna 20, antenna 21, antenna 22, antenna 23) radiate (having two surface antennas to transmit in five surface antennas) to same peripheral station.Receiving end: five surface antennas (antenna 19, antenna 20, antenna 21, antenna 22, antenna 23) receives respectively by four peripheral station (peripheral stations 2, peripheral station 3, peripheral station 4, peripheral station 5) microwave signal of sending (having two surface antennas to receive same peripheral station signal in five surface antennas), this signal is through feed, it (is scatter communication high-frequency apparatus 14 that waveguide arrives each self-corresponding scatter communication high-frequency apparatus of five surface antennas, scatter communication high-frequency apparatus 15, scatter communication high-frequency apparatus 16, scatter communication high-frequency apparatus 17, scatter communication high-frequency apparatus 18), at first in the duplexer of scatter communication high-frequency apparatus, finish receipts, after the isolation of signaling, finishing the low noise of microwave signal afterwards amplifies and frequency down-conversion function, totally five tunnel intermediate-freuqncy signals of output are sent to intermediate frequency cross-connection unit 13, four pairs of intermediate-freuqncy signals that intermediate frequency cross-connection unit 13 will be exported are given four scattering low frequency equipment (scatter communication low frequency equipment 9 respectively, scatter communication low frequency equipment 10, scatter communication low frequency equipment 11, scatter communication low frequency equipment 12), in the scatter communication low frequency equipment, finish the tap of information detection and group signals and duties information.Group signals after the tap is given integrated service multiplex terminal equipment 6 after group road sector card carries out decrypts information, finish the decomposition of information such as speech, data, LAN business at integrated service multiplex terminal equipment 6.When the multiplexing exchange termination equipment 6 of integrated service is moved away from vehicle-mounted station and used, can use the group road combination that is equipped with in the car and teletransmission equipment 7, the combination of group road and teletransmission equipment 8 to carry out wired drawing and connect.
The operation principle of the utility model peripheral station is as follows: when peripheral station is in the point to point operation state, support the transmission of point-to-point trunk group road; Support 2 road speeches/fax/exchanger user trunk line, the transmission of 1 road LAN business and 2 circuit-switched data business; Supported for 1 tunnel wired drawing connect the teletransmission function.Make a start, information such as speech, data, LAN business are group road information flow through 27 multiple connections of integrated service multiplex terminal equipment, send into the group cipher device of scatter communication low frequency equipment 30 and encrypt, the group's way word signal after the encryption is assisted multiple connection with duties information and is finished the modulation of information in scatter communication low frequency equipment 30.2 tunnel intermediate-freuqncy signals of modulation back output are given scatter communication high-frequency apparatus 31, scatter communication high-frequency apparatus 32 respectively, scatter communication high-frequency apparatus 31, scatter communication high-frequency apparatus 32 carry out functions (operating frequency of 2 scatter communication high-frequency apparatus is identical in the native system) such as the up-conversion, power amplification of signal, the output radiofrequency signal, radiofrequency signal is delivered to antenna 33, antenna 34 respectively by waveguide, and a day bundle of lines signal radiation is gone out.Receiving end, antenna 33, antenna 34 receive the radiofrequency signal that send the opposite end respectively, this signal is sent into scatter communication high-frequency apparatus 31, scatter communication high-frequency apparatus 32 through feed, waveguide, at first in scatter communication high-frequency apparatus 31, scatter communication high-frequency apparatus 32, finish the isolation of sending and receiving signal, the low noise amplification and the frequency down-conversion function of microwave signal, the output intermediate-freuqncy signal.Intermediate-freuqncy signal is imported scatter communication low frequency equipment 30, finishes the tap of information detection and group signals and duties information within it.Group signals after the tap is given integrated service multiplex terminal equipment 27 after group cipher device carries out decrypts information.Integrated service multiplex terminal equipment 27 decomposes information such as speech, data, LAN business and finishes professional transfer function.When integrated service multiplex terminal equipment 27 is moved away from vehicle-mounted station and used, should use the group road combination that is equipped with in the car and teletransmission equipment 28, the combination of group road and teletransmission equipment 29 to carry out wired drawing and connect.When peripheral station works in the emergency communication pattern, a transmission of one line speech and a circuit-switched data, no LAN business.When peripheral station is used as relay station, support group Reuter to pass; And can only carry out the duties conversation between 2 end stations (base station 1 or other peripheral station), can not carry out speech exchange, data communication.When peripheral station was used as relay station, antenna 33, antenna 34 were aimed at 2 communication directions respectively, communicated with 2 end stations, and scattering this moment low frequency equipment is set to the relaying working method.
The utility model mounting structure is as follows: base station 1, peripheral station 2, peripheral station 3, peripheral station 4, peripheral station 5 are respectively 1 communication truck.The communication equipment of base station 1 all is installed on the communication shelter car, and the overall dimension of communication truck is about long 7795mm, wide 2500mm, high 3900mm.The overall dimension of shelter is about long 4400mm, wide 2400mm, high 1900mm.Shelter longitudinally is divided into 2 parts: annex cabin, equipment compartment.Equipment compartment is positioned at rear portion, car cabin, is about 2360mm, and 3 communication cabinets are installed in the cabin, two oily unit rooms, the high 1400mm of communication cabinet, wide 530mm, dark 500mm, two long approximately 950mm of oily unit room, wide 2240mm, high 1000mm.Scatter communication high-frequency apparatus 14, power distribution cabinet 26 wherein are housed in the communication cabinet 1.Dress scatter communication high-frequency apparatus 15, scatter communication low frequency equipment 9, scatter communication low frequency equipment 10, intermediate frequency Cross Connect equipment 13, common control equipment 25 in the communication cabinet 2.Dress scatter communication high-frequency apparatus 16, scatter communication low frequency equipment 11, scatter communication low frequency equipment 12, integrated service multiplex terminal equipment 6, the combination of group road and teletransmission equipment 7, the combination of group road and teletransmission equipment 8 and antenna controling equipment 24 in the communication cabinet 3.Scatter communication high-frequency apparatus 17, scatter communication high-frequency apparatus 18 are installed in oily unit room top in the equipment compartment.Antenna 19, antenna 20, antenna 21, antenna 22 and antenna 23 structures are dull and stereotyped, and orientation, pitching driving mechanism and antenna surface are installed in carriage top together, and at collecting state, all antenna lies in car body top, does not have other manual locking mechanism.The armamentarium connector on the plate, adopts the back cabling mode to connect assembly cost utility model base station 1 in the back.
Each peripheral station equipment is installed in respectively on the communication shelter car, and the overall dimension of communication truck is about long 7795mm, wide 2500mm, high 3900mm.The overall dimension of shelter is about long 4400mm, wide 2400mm, high 1900mm.Shelter longitudinally is divided into 2 parts: annex cabin, equipment compartment.Equipment compartment is positioned at rear portion, car cabin, is about 2360mm, and 2 communication cabinets are installed in the cabin, two oily unit rooms, the high 1400mm of communication cabinet, wide 530mm, dark 500mm, two long approximately 950mm of oily unit room, wide 2240mm, high 1000mm.Power distribution cabinet 38, antenna controling equipment 35, antenna controling equipment 36 wherein are housed in the communication cabinet 1.Dress scatter communication high-frequency apparatus 31, scatter communication low frequency equipment 30, integrated service multiplex terminal equipment 27, common control equipment 37, the combination of group road and teletransmission equipment 28, combination of group road and teletransmission equipment 29 in the communication cabinet 2.Above the oily unit room of equipment compartment, the annex cabinet is installed, places annex; Scatter communication high-frequency apparatus 32 is installed at annex cabinet middle part.The antenna surface of antenna 33, antenna 34 is the parabolic form of 2.4m lattice-shaped, and the orientation driving mechanism is installed in the compartment; Pitching driving mechanism and antenna surface are installed in carriage top together, at collecting state, and antenna 33, the antenna 34 overlapping car body tops that lie in.The armamentarium connector on the plate, adopts the back cabling mode to connect assembly cost utility model peripheral station in the back.
Claims (5)
1. a point-to-multipoint scatter communication system comprises base station (1) and peripheral station, and the input port of base station (1) is connected with input port with the corresponding output end mouth of peripheral station respectively with output port, and it is characterized in that: described peripheral station is a plurality of; Wherein output port 1 pin of base station (1) connects outside lan data receiving port A1, output port 2 pin connect outside speech receiving port B1, output port 3 pin connect external asynchronous Data Receiving port C1, input port 4 pin connect outside lan data transmit port D1, input port 5 pin connect outside speech transmit port E1, input port 6 pin connect external asynchronous data sending terminal mouth F1, and input port 7 pin connect external AC 220V transmit port G1; Outer output port 3 pin that change the station connect outside lan data receiving port A2, output port 4 pin connect outside speech receiving port B2, output port 5 pin connect external asynchronous Data Receiving port C2, input port 6 pin connect outside lan data transmit port D2, input port 7 pin connect outside speech transmit port E2, input port 8 pin connect external asynchronous data sending terminal mouth F2, and input port 9 pin connect external AC 220V transmit port G2.
2. a kind of point-to-multipoint scatter communication system according to claim 1 is characterized in that: described base station (1) comprises by integrated service multiplex terminal equipment (6), the combination of the first group of road and teletransmission equipment (7), the second group of road combination and teletransmission equipment (8), scatter communication low frequency equipment (9,10,11,12), intermediate frequency Cross Connect equipment (13), scatter communication high-frequency apparatus (14,15,16,17,18), antenna (19,20,21,22,23), antenna controling equipment (24), common control equipment (25) and power distribution cabinet (26); Wherein output port 1 pin of integrated service multiplex terminal equipment (6) connects outside lan data receiving port A1, output port 2 pin connect outside speech receiving port B1, output port 3 pin connect external asynchronous Data Receiving port C1, input port 4 pin connect outside lan data transmit port D1, input port 5 pin connect outside speech transmit port E1, input port 6 pin connect external asynchronous data sending terminal mouth F1, output port 7,8,9,10 pin and input port 11,12,13,14 pin connect the input port 1 of first group of road combination and teletransmission equipment (7) respectively, 2,3,4 pin and output port 5,6,7,8 pin; The combination of the first group of road and teletransmission equipment (7) output port 11 pin and input port 12 pin connect second input port 1 pin and output port 2 pin that connect group road combination and teletransmission equipment (8) respectively; Input port 1 pin and output port 2 pin that are connected scatter communication low frequency equipment (9,10,11,12) with teletransmission equipment (8) output port and input port are respectively made up on second group of road; Output port 3 pin of scatter communication low frequency equipment (9,10,11,12) connect outside duties words receiving port, input port 4 pin connect outside duties words transmit port, and output port 5,6 pin and input port 7,8 pin are connected input port 1,2 pin and output port 3,4 pin of intermediate frequency Cross Connect equipment (13) respectively; The output port of intermediate frequency Cross Connect equipment (13) and input port are connected input port 1 pin and output port 2 pin of scatter communication high-frequency apparatus (14,15,16,17,18) respectively; The input/output port 3 of scatter communication high-frequency apparatus (14,15,16,17,18) connects I/O mouth 1 pin of antenna (19,20,21,22,23); The input port of antenna (19,20,21,22) is connected with input port with the corresponding output port of peripheral station by wireless channel respectively with output port; The I/O mouth of antenna (23) is connected by one in wireless channel and a plurality of peripheral stations according to system's setting; Antenna controling equipment (24) I/O mouth 1 is connected to the corresponding port of antenna (19,20,21,22,23); Common control equipment (25) is connected to each corresponding extension set with the I2C bus mode by the port one pin; Input port 1 pin of power distribution cabinet (26) connects outside port AC220V input port G1, and the voltage+V of output port 2 pin output is connected to the corresponding power port of each extension set.
3. a kind of point-to-multipoint scatter communication system according to claim 2 is characterized in that: described peripheral station (2,3,4,5) comprises integrated service multiplex terminal equipment (27), the combination of group road and teletransmission equipment (28), the combination of group road and teletransmission equipment (29), scatter communication low frequency equipment (30), scatter communication high-frequency apparatus (31), scatter communication high-frequency apparatus (32), antenna (33), antenna (34), antenna controling equipment (35), antenna controling equipment (36), common control equipment (37) and power distribution cabinet (38); Wherein output port 1 pin of integrated service multiplex terminal equipment (27) connects outside lan data receiving port A2, output port 2 pin connect outside speech receiving port B2, output port 3 pin connect external asynchronous Data Receiving port C2, input port 4 pin connect outside lan data transmit port D2, input port 5 pin connect outside speech transmit port E2, input port 6 pin connect external asynchronous data sending terminal mouth F2, and output port 7 pin and input port 8 pin are connected input port 1 pin and output port 2 pin of group road combination and teletransmission equipment (28) respectively; The group makes up on the road input port 1 pin and output port 2 pin that are connected group road combination and teletransmission equipment (29) with teletransmission equipment (28) output port 3 pin and input port 4 pin respectively; The group makes up input port 1 pin and output port 2 pin that are connected scatter communication low frequency equipment (30) with teletransmission equipment (29) output port 3 pin and input port 4 pin respectively in the road; Output port 3 pin of scatter communication low frequency equipment (30) connect outside duties words receiving port J, input port 4 pin connect outside duties words transmit port H, output port 5 pin and input port 6 pin are connected input port 1 pin and output port 2 pin of scatter communication high-frequency apparatus (31) respectively, and output port 7 pin and input port 8 pin are connected input port 1 pin and output port 2 pin of scatter communication high-frequency apparatus (32) respectively; Input/output port 3 pin of scatter communication high-frequency apparatus (31) connect I/O mouth 3 pin of antenna (33); Input/output port 3 pin of scatter communication high-frequency apparatus (32) connect I/O mouth 3 pin of antenna (34); Input port 4 pin of antenna (33) connect output port 1 pin of antenna controling equipment (35); Input port 4 pin of antenna (34) connect output port 2 pin of antenna controling equipment (36); Common control equipment (37) is connected to each corresponding extension set with the I2C bus mode by the port one pin; Input port 1 pin of power distribution cabinet (38) connects outside port AC220V input port G2, and the voltage+V of output port 2 pin output is connected to the corresponding power port of each extension set; The input port 1 of antenna (33,34) is connected with input port with the output port of base station (1) respectively by wireless channel respectively with output port 2 pin.
4. according to the arbitrary described a kind of point-to-multipoint scatter communication system of claim 1 to 3, it is characterized in that: the quantity of described a plurality of peripheral stations is 2,3 or 4.
5. a kind of point-to-multipoint scatter communication system according to claim 4 is characterized in that: the annexation of described a plurality of peripheral stations and base station for and connect mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201217658U CN201590819U (en) | 2010-03-03 | 2010-03-03 | Point-to-multipoint scattering communications system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201217658U CN201590819U (en) | 2010-03-03 | 2010-03-03 | Point-to-multipoint scattering communications system |
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| CN201590819U true CN201590819U (en) | 2010-09-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023035585A1 (en) * | 2021-09-13 | 2023-03-16 | 中国电子科技集团公司第五十四研究所 | Networking method for scatter communication, central station, peripheral station and scatter communication system |
| WO2023142237A1 (en) * | 2022-01-25 | 2023-08-03 | 中国电子科技集团公司第五十四研究所 | Scatter communication voice transmission apparatus and system |
-
2010
- 2010-03-03 CN CN2010201217658U patent/CN201590819U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023035585A1 (en) * | 2021-09-13 | 2023-03-16 | 中国电子科技集团公司第五十四研究所 | Networking method for scatter communication, central station, peripheral station and scatter communication system |
| WO2023142237A1 (en) * | 2022-01-25 | 2023-08-03 | 中国电子科技集团公司第五十四研究所 | Scatter communication voice transmission apparatus and system |
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| C14 | Grant of patent or utility model | ||
| 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: 20100922 Termination date: 20190303 |