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CN208797941U - A kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station - Google Patents

A kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station Download PDF

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Publication number
CN208797941U
CN208797941U CN201821435164.7U CN201821435164U CN208797941U CN 208797941 U CN208797941 U CN 208797941U CN 201821435164 U CN201821435164 U CN 201821435164U CN 208797941 U CN208797941 U CN 208797941U
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China
Prior art keywords
bandwidth
converter
subband adaptive
duplexer
repeater
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CN201821435164.7U
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Inventor
刘德宏
唐东山
罗爱华
朱洪林
孟庆刚
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Shenzhen Anxin Communication Technology Co Ltd
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Shenzhen Anxin Communication Technology Co Ltd
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Abstract

The utility model discloses a kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification stations, including multi-subband adaptive-bandwidth repeater, POI, power supply and control unit, BTS, MS, USB interface, RJ45 interface, WiFi interface, first duplexer, second duplexer, first power amplifier, second power amplifier, multi-subband adaptive-bandwidth baseband signal processing module, first amplifier, second amplifier, low-converter, upconverter, A/D converter, D/A converter, FPGA base band signal processing chip, a kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station of the utility model, it can be according to customer demand difference, the multi-subband adaptive-bandwidth repeater of different frequency range is selected just to be easier to be combined into a multiband multi-subband adaptive-bandwidth repeater, bandwidth substantially completely meets all Demand of the operator to repeater, the simple cost of manufacture of the structure of repeater and development cost are lower, and the use of country variant different operators can be adapted to flexible combination.

Description

A kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station
Technical field
The utility model relates to optical fiber repeater technical field, specially a kind of multiband multi-subband adaptive-bandwidth digital direct Put station.
Background technique
To meet the needs of people are to communication, the communications industry from 2G, 3G, development be 4G, 5G.For rapid cloth 4G, 5G, various countries Government develops many frequency range applications such as 700MHZ, 800MHZ, 900MHZ, 1800MHZ, 1900MHZ, 2100MHZ, 2600MHZ It is each to communicate operator to government's application frequency range applied to 4G and 5G in 4G and 5G system.Due to historical reasons, operator is respectively communicated Application working frequency be distributed in different frequency ranges, and apply bandwidth it is also not only identical, for example, LTE have 4.2MHZ, The different bandwidths such as 9.2MHZ, 14.2MHZ and 19.2MHZ.Meanwhile operator is respectively communicated in former 2G system and also occupies 1~25MHZ Equal different bandwidths.The presence of these situations designs and produces to repeater producer and brings new challenge.It is a applicable to be badly in need of design In each communication operator repeater convenient to use.
Utility model content
The purpose of this utility model is to provide a kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification stations, have user Just, the multi-subband adaptive-bandwidth repeater of different frequency range can be selected just to be easier to be combined into one according to customer demand difference Multiband multi-subband adaptive-bandwidth repeater, bandwidth substantially completely meet the needs of all operators are to repeater, repeater The simple cost of manufacture of structure and development cost it is lower, and can be adapted to what country variant different operators used with flexible combination Feature solves the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of multiband multi-subband adaptive-bandwidth number Word repeater, including multi-subband adaptive-bandwidth repeater, POI, power control unit, BTS antennal interface, MS antennal interface, USB interface, RJ45 interface, WiFi interface, first duplexer, the second duplexer, the first power amplifier, the second power amplification Device, multi-subband adaptive-bandwidth baseband signal processing module, the first amplifier, the second amplifier, low-converter, upconverter, A/D The two sides of converter, D/A converter, FPGA base band signal processing chip, multi-subband adaptive-bandwidth repeater are connected with One end of POI, POI are connected with BTS antennal interface, and the other end of POI is connected with MS antennal interface, the multi-subband adaptive-bandwidth Repeater is connected with power control unit, and power control unit is connected with USB interface, RJ45 interface and WiFi interface, described One end of POI is connected with first duplexer, and the other end of POI is connected with the second duplexer, and the front end of first duplexer is connected with First power amplifier, the front end of the second duplexer are connected with the second power amplifier, the first power amplifier and the second power The centre of amplifier is connected with multi-subband adaptive-bandwidth baseband signal processing module, at the multi-subband adaptive-bandwidth baseband signal Reason module is provided with the first amplifier, the second amplifier, and the front end of the first amplifier is connected with low-converter, before low-converter End is connected with A/D converter, and the front end of A/D converter is connected with FPGA base band signal processing chip, FPGA base band signal process The rear of chip is connected with D/A converter, and the rear of D/A converter is connected with upconverter.
Preferably, multi-subband adaptive-bandwidth repeater is no less than three.
Preferably, there are two the POI, it is connected to BTS the and MS interface of multi-subband adaptive-bandwidth repeater.
Preferably, the first duplexer and the second duplexer by the first power amplifier and the second power amplifier with The connection of multi-subband adaptive-bandwidth baseband signal processing module.
Preferably, there are two first amplifiers, it is connected to low-converter.
Preferably, there are two second amplifiers, it is connected to upconverter.
Preferably, it there are two the low-converter, upconverter, A/D converter and D/A converter are respectively provided with, is connected to FPGA base band signal processing chip respectively.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model multiband multi-subband adaptive-bandwidth digital high-frequency amplification station, multi-subband adaptive-bandwidth repeater are connected with Power control unit, multiband multi-subband adaptive-bandwidth digital high-frequency amplification station is by POI, multiple adaptive-bandwidth digital high-frequency amplification stations, power supply Control unit composition, donor antenna receive different base station signal, through the first POI isolate different frequency range signal and respectively into Enter the adaptive-bandwidth digital high-frequency amplification station of corresponding frequency band, adaptive-bandwidth digital high-frequency amplification station separates the signal received through first duplexer Downlink signal out is downconverted into intermediate frequency after downlink signal amplification, is then converted by A/D converter, through FPGA baseband signal After the signal that base station is come is become the useful signal of client's needs by processing chip, converts into D/A converter, put through the second power Big device amplification, and powerful useful signal is entered by the 2nd POI combining by the output of the second duplexer and is emitted through retransmitting antenna Coverage goal region.
2, one end of the utility model multiband multi-subband adaptive-bandwidth digital high-frequency amplification station, POI is connected with first duplexer, The other end of POI is connected with the second duplexer, and the front end of first duplexer is connected with the first power amplifier, the second duplexer Front end is connected with the second power amplifier, and the centre of the first power amplifier and the second power amplifier is connected with multi-subband bandwidth Variable baseband signal processing module, frequency range multi-subband adaptive-bandwidth digital high-frequency amplification station are adopted international standards 19 inch 7U cabinets and 2 2U cabinet, 7U cabinet are made of four card slot units, and each card slot unit is a multi-subband adaptive-bandwidth repeater, a mark Quasi- cabinet can install the repeater of four different frequency ranges, can select the multi-subband band of different frequency range according to customer demand difference Wide variable repeater is just easier to be combined into a multiband multi-subband adaptive-bandwidth repeater.
3, the utility model multiband multi-subband adaptive-bandwidth digital high-frequency amplification station, under first duplexer and the second duplexer Side is provided with the first amplifier, the second amplifier, and the front end of the first amplifier is connected with low-converter, and the front end of low-converter connects It is connected to A/D converter, the front end of A/D converter is connected with FPGA base band signal processing chip, from first duplexer and second pair The downlink signal that work device comes enters FPGA baseband signal through the first amplifier, low-converter, A/D converter and D/A converter Handle chip simultaneously export to digital analog converter, become analog signal, the signal through upconverter and amplify output give next stage function Rate amplifier, the signal being amplified are exported through duplexer to POI, and are transmitted to target area user by retransmitting antenna, similarly To handling as being also for uplink signal, digital signal processing module, which can need to be arranged by software parameter according to client, to be realized 4 subband 0.2~10MHz adaptive-bandwidths also may be implemented 3 subband 0.2~20Mhz adaptive-bandwidths, can also realize 2 subbands 0.2 ~25MHz adaptive-bandwidth, these bandwidth substantially completely meet the needs of all operators are to repeater.
4, the utility model multiband multi-subband adaptive-bandwidth digital high-frequency amplification station, the connection of FPGA base band signal processing chip There is D/A converter, D/A converter is connected with upconverter, realizes that how sub multiband is using multiple digital signal processing modules Band adaptive-bandwidth repeater, such design, which is different from other repeaters, need to purchase A/D converter, the D/A for using expensive ultra-wide band Converter and large capacity FPGA baseband signal processor, such design is so that the simple cost of manufacture of the structure of repeater and exploitation Cost is lower, and the use of country variant different operators can be adapted to flexible combination.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the overall structure side view of the utility model;
Fig. 3 is the overall structure top view of the utility model;
Fig. 4 is the principles of the present invention block diagram;
Fig. 5 is the multi-subband adaptive-bandwidth repeater functional-block diagram of the utility model;
Fig. 6 is the digital signal processing module functional-block diagram of the utility model.
In figure: 1, multi-subband adaptive-bandwidth repeater;2,POI;3, power control unit;4, BTS antennal interface;5,MS Antennal interface;6, USB interface;7, RJ45 interface;8, WiFi interface;9, first duplexer;10, the second duplexer;11, first Power amplifier;12, the second power amplifier;13, multi-subband adaptive-bandwidth baseband signal processing module;14, the first amplifier; 15, the second amplifier;16, low-converter;17, upconverter;18, A/D converter;19, D/A converter;20, FPGA base band Signal processing chip.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-6, a kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station, including multi-subband adaptive-bandwidth is please referred to directly to put Stand 1, POI2, power control unit 3, BTS antennal interface 4, MS antennal interface 5, USB interface 6, RJ45 interface 7, WiFi interface 8, First duplexer 9, the second duplexer 10, the first power amplifier 11, the second power amplifier 12, multi-subband adaptive-bandwidth base band Signal processing module 13, the first amplifier 14, the second amplifier 15, low-converter 16, upconverter 17, A/D converter 18, The two sides of D/A converter 19, FPGA base band signal processing chip 20, multi-subband adaptive-bandwidth repeater 1 are connected with POI 2, POI 2 one end is connected with BTS antennal interface 4, and the other end of POI 2 is connected with MS antennal interface 5, multi-subband adaptive-bandwidth repeater 1 is connected with power control unit 3, and multiband multi-subband adaptive-bandwidth digital high-frequency amplification station is by POI 2, multiple adaptive-bandwidth digital directs Station, the composition of power control unit 3 are put, donor antenna receives the signal of different base station, isolates different frequency range through the first POI 2 Signal and the adaptive-bandwidth digital high-frequency amplification station for respectively enteing corresponding frequency band, adaptive-bandwidth digital high-frequency amplification station is by the signal received through One duplexer 9 isolates downlink signal, is downconverted into intermediate frequency after downlink signal amplification, is then converted by A/D converter 18, After the signal that base station is come is become the useful signal of client's needs by FPGA base band signal processing chip 20, into D/A converter 19 conversions, amplify through the second power amplifier 12, and powerful useful signal is entered the by the output of the second duplexer 10 Two POI 2 combining emits coverage goal region through retransmitting antenna;Power control unit 3 is connected with USB interface 6,7 and of RJ45 interface WiFi interface 8, one end of POI 2 are connected with first duplexer 9, and the other end of POI 2 is connected with the second duplexer 10, and first pair The front end of work device 9 is connected with the first power amplifier 11, and the front end of the second duplexer 10 is connected with the second power amplifier 12, the The centre of one power amplifier 11 and the second power amplifier 12 is connected with multi-subband adaptive-bandwidth baseband signal processing module 13, Frequency range multi-subband adaptive-bandwidth digital high-frequency amplification station is adopted international standards 19 inch 7U cabinets and 2 2U cabinets, and 7U cabinet is blocked by four Slot unit composition, each card slot unit is a multi-subband adaptive-bandwidth repeater 1, and a standard PC case can install four not With the repeater 1 of frequency range, the multi-subband adaptive-bandwidth repeater of different frequency range can be selected just to compare appearance according to customer demand difference Easily it is combined into a multiband multi-subband adaptive-bandwidth repeater 1;Multi-subband adaptive-bandwidth baseband signal processing module 13 is arranged There are the first amplifier 14, the second amplifier 15, the front end of the first amplifier 14 is connected with low-converter 16, before low-converter 16 End is connected with A/D converter 18, and the front end of A/D converter 18 is connected with FPGA base band signal processing chip 20, from the first duplex The downlink signal that device 9 and the second duplexer 10 come turns through the first amplifier 14, low-converter 16, A/D converter 18 and D/A Parallel operation 19 enters FPGA base band signal processing chip 20 and exports to digital analog converter, becomes analog signal, the signal is through upper change Frequency device 17 simultaneously amplifies output to next stage power amplifier, and the signal being amplified is exported through duplexer to POI 2, and passes through repeating transmission Antenna is transmitted to target area user, as being similarly also to the processing of uplink signal, digital signal processing module can basis Client, which needs to be arranged by software parameter, realizes 4 subband 0.2~10MHz adaptive-bandwidths, also may be implemented 3 subbands 0.2~ 20Mhz adaptive-bandwidth, can also realize 2 subband 0.2~25MHz adaptive-bandwidths, these bandwidth substantially completely meet all fortune Seek demand of the quotient to repeater;The rear of FPGA base band signal processing chip 20 is connected with D/A converter 19, D/A converter 19 Rear be connected with upconverter 17, using multiple digital signal processing modules realize multiband multi-subband adaptive-bandwidth repeater 1, such design, which is different from other repeaters, need to purchase A/D converter 18, D/A converter 19 and the great Rong for using expensive ultra-wide band Measure FPGA baseband signal processor, such design so that the simple cost of manufacture of the structure of repeater and development cost are lower, and The use of country variant different operators can be adapted to flexible combination.
In summary: the utility model multiband multi-subband adaptive-bandwidth digital high-frequency amplification station, multi-subband adaptive-bandwidth are directly put It stands and 1 is connected with power control unit 3, multiband multi-subband adaptive-bandwidth digital high-frequency amplification station is by POI2, multiple adaptive-bandwidths number Repeater, power control unit 3 form, and donor antenna receives the signal of different base station, isolate different frequency range through the first POI2 Signal and respectively enter the adaptive-bandwidth digital high-frequency amplification station of corresponding frequency band, adaptive-bandwidth digital high-frequency amplification station passes through the signal received First duplexer 9 isolates downlink signal, is downconverted into intermediate frequency after downlink signal amplification, then passes through 18 turns of A/D converter It changes, after the signal that base station is come is become the useful signal of client's needs by FPGA base band signal processing chip 20, is converted into D/A Device 19 is converted, and is amplified through the second power amplifier 12, and is exported by the second duplexer 10 and entered powerful useful signal 2nd POI2 combining emits coverage goal region through retransmitting antenna;One end of POI2 is connected with first duplexer 9, and POI2's is another End is connected with the second duplexer 10, and the front end of first duplexer 9 is connected with the first power amplifier 11, before the second duplexer 10 It holds and is connected with the second power amplifier 12, the centre of the first power amplifier 11 and the second power amplifier 12 is connected with multi-subband Adaptive-bandwidth baseband signal processing module 13, frequency range multi-subband adaptive-bandwidth digital high-frequency amplification station are adopted international standards 19 inch 7U cabinets With 2 2U cabinets, 7U cabinet is made of four card slot units, and each card slot unit is a multi-subband adaptive-bandwidth repeater 1, One standard PC case can install the repeater 1 of four different frequency ranges, can select the more of different frequency range according to customer demand difference Subband adaptive-bandwidth repeater is just easier to be combined into a multiband multi-subband adaptive-bandwidth repeater 1;First duplexer 9 The lower section of second duplexer 10 is provided with the first amplifier 14, the second amplifier 15, the front end of the first amplifier 14 is connected with Low-converter 16, the front end of low-converter 16 are connected with A/D converter 18, and the front end of A/D converter 18 is connected with FPGA base band Signal processing chip 20, the downlink signal to come from first duplexer 9 and the second duplexer 10 is through the first amplifier 14, lower change Frequency device 16, A/D converter 18 and D/A converter 19 enter FPGA base band signal processing chip 20 and export to digital analog converter, Become analog signal, the signal is through upconverter 17 and amplifies output to next stage power amplifier, and the signal being amplified is through double Work device is exported to POI2, and is transmitted to target area user by retransmitting antenna, is also similarly the same to the processing of uplink signal , digital signal processing module, which can need to be arranged by software parameter according to client, realizes that 4 subband 0.2~10MHz bandwidth can Become, 3 subband 0.2~20Mhz adaptive-bandwidths also may be implemented, can also realize 2 subband 0.2~25MHz adaptive-bandwidths, these bands Width substantially completely meets the needs of all operators are to repeater;The rear of FPGA base band signal processing chip 20 is connected with D/ A converter 19, the rear of D/A converter 19 are connected with upconverter 17, realize multifrequency using multiple digital signal processing modules Section multi-subband adaptive-bandwidth repeater 1, such design, which is different from other repeaters, need to purchase the A/D conversion for using expensive ultra-wide band Device 18, D/A converter 19 and large capacity FPGA baseband signal processor, such design is so that the structure of repeater simply makes Cost and development cost are lower, and the use of country variant different operators can be adapted to flexible combination.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station, including multi-subband adaptive-bandwidth repeater (1), POI (2), Power control unit (3), BTS antennal interface (4), MS antennal interface (5), USB interface (6), RJ45 interface (7), WiFi interface (8), first duplexer (9), the second duplexer (10), the first power amplifier (11), the second power amplifier (12), multi-subband Adaptive-bandwidth baseband signal processing module (13), the first amplifier (14), the second amplifier (15), low-converter (16), upper change Frequency device (17), A/D converter (18), D/A converter (19), FPGA base band signal processing chip (20), it is characterised in that: described The two sides of multi-subband adaptive-bandwidth repeater (1) are connected with POI (2), and one end of POI (2) is connected with BTS antennal interface (4), The other end of POI (2) is connected with MS antennal interface (5), and it is single that multi-subband adaptive-bandwidth repeater (1) is connected with power supply control First (3), power control unit (3) are connected with USB interface (6), RJ45 interface (7) and WiFi interface (8), and the one of the POI (2) End is connected with first duplexer (9), and the other end of POI (2) is connected with the second duplexer (10), the front end of first duplexer (9) It is connected with the first power amplifier (11), the front end of the second duplexer (10) is connected with the second power amplifier (12), the first function The centre of rate amplifier (11) and the second power amplifier (12) is connected with multi-subband adaptive-bandwidth baseband signal processing module (13), the multi-subband adaptive-bandwidth baseband signal processing module (13) is provided with the first amplifier (14), the second amplifier (15), the front end of the first amplifier (14) is connected with low-converter (16), and the front end of low-converter (16) is connected with A/D converter (18), the front end of A/D converter (18) is connected with FPGA base band signal processing chip (20), FPGA base band signal processing chip (20) rear is connected with D/A converter (19), and the rear of D/A converter (19) is connected with upconverter (17).
2. a kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station according to claim 1, it is characterised in that: described more Subband adaptive-bandwidth repeater (1) is no less than three.
3. a kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station according to claim 1, it is characterised in that: described There are two POI (2), is connected to BTS the and MS interface of multi-subband adaptive-bandwidth repeater.
4. a kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station according to claim 1, it is characterised in that: described One duplexer (9) and the second duplexer (10) pass through the first power amplifier (11) and the second power amplifier (12) and multi-subband Adaptive-bandwidth baseband signal processing module (13) connection.
5. a kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station according to claim 1, it is characterised in that: described There are two one amplifiers (14), is connected to low-converter (16).
6. a kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station according to claim 1, it is characterised in that: described There are two two amplifiers (15), is connected to upconverter (17).
7. a kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station according to claim 1, it is characterised in that: under described Frequency converter (16), upconverter (17), A/D converter (18) and D/A converter (19) are connected to difference there are two being respectively provided with FPGA base band signal processing chip (20).
CN201821435164.7U 2018-09-03 2018-09-03 A kind of multiband multi-subband adaptive-bandwidth digital high-frequency amplification station Active CN208797941U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117081638A (en) * 2023-09-12 2023-11-17 深圳市安特纳杰通信技术有限公司 5G working bandwidth variable adjustable signal micropower repeater
US11876573B2 (en) 2021-07-23 2024-01-16 Qualcomm Incorporated Repeater communication system with sub-band power measurement capability

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11876573B2 (en) 2021-07-23 2024-01-16 Qualcomm Incorporated Repeater communication system with sub-band power measurement capability
CN117081638A (en) * 2023-09-12 2023-11-17 深圳市安特纳杰通信技术有限公司 5G working bandwidth variable adjustable signal micropower repeater

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