CN215300635U - 5G base station coupling zoom-out system - Google Patents
5G base station coupling zoom-out system Download PDFInfo
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- CN215300635U CN215300635U CN202120937828.5U CN202120937828U CN215300635U CN 215300635 U CN215300635 U CN 215300635U CN 202120937828 U CN202120937828 U CN 202120937828U CN 215300635 U CN215300635 U CN 215300635U
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Abstract
A5G base station coupling remote system relates to a communication network signal covering system, in particular to a signal remote system, which comprises a 5G base station, a coupler, a combiner, a near-end machine, a far-end machine and a room antenna, wherein the coupler is connected at the rear end of the 5G base station, the combiner is connected at the rear end of the coupler, the near-end machine is connected at the rear end of the combiner, the far-end machine is connected at the rear end of the near-end machine, the near-end machine and the far-end machine are connected through an optical fiber, the outdoor antenna is connected at the rear end of the far-end machine, 5G base station equipment is utilized to divide the 5G signal into a branch by a coupling mode, then the near-end machine converts the radio frequency signal into an optical signal to be transmitted through the optical fiber, and the far-end machine converts the optical signal into the radio frequency signal to be amplified in the area with weak signals around to complete the covering, the method has the characteristics of low investment, good signal coverage, good system adaptability and the like.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a 5G base station coupling remote system.
Background
Today, with the rapid development of mobile communications, more and more wireless communication technologies emerge endlessly, but whatever the technology, two major problems are inevitably encountered: firstly, weak signal areas and blind areas exist in wireless coverage areas; the second is the current situation where increasing customers have higher requirements regarding broadband access. In order to effectively solve the above problems, a distributed base station architecture using a remote technology is increasingly applied to the current wireless coverage, and is one of the most important technologies in the development of wireless coverage networks in the future.
Currently, with the development of 5G technology, establishing a remote system adapted to 5G signals is more and more widely concerned, but the construction scheme has two problems, one is that the scheme has more main devices for one-time investment and higher investment, and the construction of the scheme causes that the existing distribution system cannot be further utilized, thereby causing resource waste to a certain extent.
Disclosure of Invention
The invention aims to provide a 5G base station coupling remote system aiming at the defects and shortcomings of the prior art, which utilizes 5G base station equipment to divide a 5G signal into a branch by a coupling mode, then converts a radio frequency signal into an optical signal by a near-end machine to be transmitted through an optical fiber, and converts the optical signal into the radio frequency signal by a far-end machine in a region with weak surrounding signals to be amplified so as to complete coverage.
In order to achieve the purpose, the invention adopts the following technical scheme: A5G base station coupling zoom-out system comprises a 5G base station 1, a coupler 2, a combiner 3, a near-end machine 4, a far-end machine 5 and a room antenna 6, wherein the coupler 2 is connected to the rear end of the 5G base station 1, the combiner 3 is connected to the rear end of the coupler 2, the near-end machine 4 is connected to the rear end of the combiner 3, the far-end machine 5 is connected to the rear end of the near-end machine 4, the near-end machine 4 and the far-end machine 5 are connected through an optical fiber, and the room antenna 6 is connected to the rear end of the far-end machine 5;
the coupler 2 is used for separating signals in the 5G base station 1;
the combiner 3 integrates the multi-channel signals from the coupler 2 into a single-channel signal;
the near-end machine 4 is used for converting the radio frequency signal coming out of the combiner 3 into an optical signal;
the far-end machine 5 is used for converting the optical signal received from the near-end machine 4 back to a radio frequency signal and amplifying the radio frequency signal;
the indoor antenna 6 is used for receiving and transmitting the radio frequency signal sent by the remote machine 5.
Further, the near-end unit 4 includes a near-end duplexer 41, a near-end down-converter 42, a near-end up-converter 43, an a/D converter 44, a D/a converter 45, a near-end baseband processing unit 46, and a near-end optical transceiver 47; the near-end duplexer 41 is used for isolating transmitting and receiving signals and ensuring that both receiving and transmitting can work normally at the same time; the near-end down converter 42 is used for converting the radio frequency signal into an intermediate frequency signal; the near-end up-converter 43 is used for reducing the intermediate frequency signal into a radio frequency signal; the a/D converter 44 is used for converting an analog signal into a digital signal; the D/a converter 45 is used for converting the digital signal into an analog signal; the near-end baseband processing unit 46 is used for processing digital signals; the near-end optical transceiver 47 is a transceiver of digital baseband signals.
Further, the far-end unit 5 includes a far-end duplexer 51, a receiver 52, a transmitter 53, a far-end down-converter 54, a far-end up-converter 55, a far-end baseband processing unit 56, and a far-end optical transceiver 57, where the function of the far-end duplexer 51 is the same as that of the near-end duplexer 41; the receiver 52 is configured to receive the radio frequency signal from the remote duplexer 51; the transmitter 53 is configured to send a radio frequency signal to the far-end duplexer 51 and the far-end down converter 54; the far-end down converter 54 and the near-end down converter 42 have the same function; the far-end up-converter 55 and the near-end up-converter 43 have the same function; the far-end baseband processing unit 56 and the near-end baseband processing unit 46 have the same function; the function of the far-end optical transceiver 57 is the same as that of the near-end optical transceiver 47.
Further, the indoor antenna 6 comprises an existing indoor antenna and a newly-built indoor antenna.
Further, a base station feeder is connected to the coupler 2.
The working principle of the invention is as follows: the invention firstly uses the coupler 2 to separate the signal in the 5G base station 1 into a branch by the coupling technology, the coupling separation has little influence on the long-range device, then the signal which is separated by the coupler 2 and contains a single branch or a plurality of branches is sent to the combiner 3, the signal is integrated into a single-path signal by the combiner 3, then the signal is sent to the near-end machine 4, because the signal of the 5G base station 1 which is received by the coupler 2 is an analog radio frequency signal, the frequency of the radio frequency signal is higher, the difficulty of A/D conversion of the signal is larger, therefore, the radio frequency signal is firstly converted into an intermediate frequency signal by the near-end down converter 42 with lower frequency, then the intermediate frequency signal after down conversion is converted into a digital intermediate frequency signal by the A/D converter 44, then the digital intermediate frequency signal is processed by the near-end baseband processing unit 46, the digital intermediate frequency signal is decoded and converted into a signal that can be transmitted optically, and finally the signal is transmitted to the remote unit 5 through the near-end optical transceiver 47 by the optical fiber.
When a signal enters the remote terminal 5, the signal passes through the remote optical transceiver 57, and after the signal is deframed by the remote baseband processing unit 56, the intermediate frequency signal is reduced to a radio frequency signal by the remote up-converter 55, and then power amplification is performed by the transmitter 53, and then the signal is sent to the remote duplexer 51, and finally the signal is sent to the coverage area by the indoor branch antenna 6.
After the technical scheme is adopted, the invention has the beneficial effects that:
1. the invention effectively solves the problem that the surrounding signal covers blind and weak areas by utilizing the existing indoor antenna system, and increases the signal coverage area by adding a newly-built indoor antenna;
2. the signal of the invention is based on the existing operator base station equipment, thus saving the number of the used main equipment and reducing the system investment cost;
3. the invention can utilize the old or original distribution system, and transform or build a new distribution system on the basis of the old or original distribution system;
4. the invention can utilize the mode that 1 near-end machine is connected with up to 8 far-end machines, and has the characteristics of flexible networking mode and wide application range.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the system architecture of the present invention.
Fig. 2 is a schematic diagram of the internal system structure between the near-end machine 4 and the far-end machine 5 in the present invention.
Description of reference numerals: 5G base station 1, coupler 2, combiner 3, near-end machine 4, near-end duplexer 41, near-end down-converter 42, near-end up-converter 43, a/D converter 44, D/a converter 45, near-end baseband processing unit 46, near-end optical transceiver 47, far-end machine 5, far-end duplexer 51, receiver 52, transmitter 53, far-end down-converter 54, far-end up-converter 55, far-end baseband processing unit 56, far-end optical transceiver 57, and indoor antenna 6.
Detailed Description
Referring to fig. 1 to 2, the technical solution adopted by the present embodiment is: A5G base station coupling zoom-out system comprises a 5G base station 1, a coupler 2, a combiner 3, a near-end machine 4, a far-end machine 5 and a room antenna 6, wherein the 5G base station 1 can be a base station of an existing operator or a newly-built base station, the coupler 2 is connected to the rear end of the 5G base station 1, the combiner 3 is connected to the rear end of the coupler 2, the near-end machine 4 is connected to the rear end of the combiner 3, the far-end machine 5 is connected to the rear end of the near-end machine 4, the near-end machine 4 and the far-end machine 5 are connected through optical fibers, 8 far-end machines 5 can be connected to the 1 near-end machine 1, and the room antenna 6 is connected to the rear end of the far-end machine 5;
the coupler 2 is used for separating signals in the 5G base station 1;
the combiner 3 integrates multiple signals from the coupler 2 into a single signal, and the single signal may contain multiple frequencies;
the near-end machine 4 is used for converting the radio frequency signal coming out of the combiner 3 into an optical signal;
the far-end machine 5 is used for converting the optical signal received from the near-end machine 4 back to a radio frequency signal and amplifying the radio frequency signal;
the indoor antenna 6 is used for receiving the radio frequency signal sent by the remote machine 5 and sending the signal to the coverage area.
The near-end unit 4 comprises a near-end duplexer 41, a near-end down converter 42, a near-end up converter 43, an a/D converter 44, a D/a converter 45, a near-end baseband processing unit 46 and a near-end optical transceiver 47; the near-end duplexer 41 is used for isolating transmitting and receiving signals and ensuring that both receiving and transmitting can work normally at the same time; the near-end down converter 42 is used for converting the radio frequency signal into an intermediate frequency signal; the near-end up-converter 43 is used for reducing the intermediate frequency signal into a radio frequency signal; the a/D converter 44 is used for converting an analog signal into a digital signal; the D/a converter 45 is used for converting the digital signal into an analog signal; the near-end baseband processing unit 46 is used for processing digital signals; the near-end optical transceiver 47 is a transceiver of digital baseband signals.
The far-end machine 5 comprises a far-end duplexer 51, a receiver 52, a transmitter 53, a far-end down-converter 54, a far-end up-converter 55, a far-end baseband processing unit 56 and a far-end optical transceiver 57, and the function of the far-end duplexer 51 is the same as that of the near-end duplexer 41; the receiver 52 is configured to receive the radio frequency signal from the remote duplexer 51; the transmitter 53 is configured to send a radio frequency signal to the far-end duplexer 51 and the far-end down converter 54; the far-end down converter 54 and the near-end down converter 42 have the same function; the far-end up-converter 55 and the near-end up-converter 43 have the same function; the far-end baseband processing unit 56 and the near-end baseband processing unit 46 have the same function; the function of the far-end optical transceiver 57 is the same as that of the near-end optical transceiver 47.
The indoor antenna 6 comprises an existing indoor antenna and a newly-built indoor antenna.
The coupler 2 is connected with a base station feeder line, and the base station feeder line is used for effectively receiving base station signals.
The invention firstly uses the coupler 2 to separate the signal in the 5G base station 1 into a branch by the coupling technology, the coupling separation has little influence on the long-range device, then the signal which is separated by the coupler 2 and contains a single branch or a plurality of branches is sent to the combiner 3, the signal is integrated into a single-path signal by the combiner 3, then the signal is sent to the near-end machine 4, because the signal of the 5G base station 1 which is received by the coupler 2 is an analog radio frequency signal, the frequency of the radio frequency signal is higher, the difficulty of A/D conversion of the signal is larger, therefore, the radio frequency signal is firstly converted into an intermediate frequency signal by the near-end down converter 42 with lower frequency, then the intermediate frequency signal after down conversion is converted into a digital intermediate frequency signal by the A/D converter 44, then the digital intermediate frequency signal is processed by the near-end baseband processing unit 46, the digital intermediate frequency signal is decoded and converted into a signal that can be transmitted optically, and finally the signal is transmitted to the remote unit 5 through the near-end optical transceiver 47 by the optical fiber.
When a signal enters the remote terminal 5, the signal passes through the remote optical transceiver 57, and after the signal is deframed by the remote baseband processing unit 56, the intermediate frequency signal is reduced to a radio frequency signal by the remote up-converter 55, and then power amplification is performed by the transmitter 53, and then the signal is sent to the remote duplexer 51, and finally the signal is sent to the coverage area by the indoor branch antenna 6.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. A5G base station coupling zoom out system is characterized in that: the antenna comprises a 5G base station (1), a coupler (2), a combiner (3), a near-end machine (4), a far-end machine (5) and a room division antenna (6), wherein the coupler (2) is connected to the rear end of the 5G base station (1), the combiner (3) is connected to the rear end of the coupler (2), the near-end machine (4) is connected to the rear end of the combiner (3), the far-end machine (5) is connected to the rear end of the near-end machine (4), the near-end machine (4) and the far-end machine (5) are connected through an optical fiber, and the room division antenna (6) is connected to the rear end of the far-end machine (5);
the coupler (2) is used for separating signals in the 5G base station (1);
the combiner (3) integrates multiple signals output from the coupler (2) into a single signal;
the near-end machine (4) is used for converting the radio-frequency signal coming out of the combiner (3) into an optical signal;
the far-end machine (5) is used for converting the optical signal received from the near-end machine (4) back to a radio frequency signal and amplifying the radio frequency signal;
the indoor antenna (6) is used for receiving and transmitting the radio frequency signal sent by the remote machine (5).
2. The 5G base station coupled remote system according to claim 1, wherein: the near-end machine (4) comprises a near-end duplexer (41), a near-end down converter (42), a near-end up converter (43), an A/D converter (44), a D/A converter (45), a near-end baseband processing unit (46) and a near-end optical transceiver (47); the near-end duplexer (41) is used for isolating transmitting and receiving signals and ensuring that the receiving and the transmitting can work normally at the same time; the near-end down converter (42) is used for converting radio frequency signals into intermediate frequency signals; the near-end up-converter (43) is used for reducing the intermediate frequency signal into a radio frequency signal; the A/D converter (44) is used for converting the analog signal into a digital signal; the D/A converter (45) is used for converting the digital signal into an analog signal; the near-end baseband processing unit (46) is used for processing digital signals; the near-end optical transceiver (47) is a transceiver of digital baseband signals.
3. The 5G base station coupled remote system according to claim 1, wherein: the far-end machine (5) comprises a far-end duplexer (51), a receiver (52), a transmitter (53), a far-end down converter (54), a far-end up converter (55), a far-end baseband processing unit (56) and a far-end optical transceiver (57), and the function of the far-end duplexer (51) is the same as that of the near-end duplexer (41); the receiver (52) is used for receiving the radio frequency signal from the far-end duplexer (51); the transmitter (53) is used for transmitting the radio frequency signal to the far-end duplexer (51) and the far-end down converter (54); the far-end down converter (54) and the near-end down converter (42) have the same function; the far-end up-converter (55) has the same function as the near-end up-converter (43); the far-end baseband processing unit (56) has the same function as the near-end baseband processing unit (46); the function of the far-end optical transceiver (57) is the same as that of the near-end optical transceiver (47).
4. The 5G base station coupled remote system according to claim 1, wherein: the indoor antenna (6) comprises an existing indoor antenna and a newly-built indoor antenna.
5. The 5G base station coupled remote system according to claim 1, wherein: and the coupler (2) is connected with a base station feeder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120937828.5U CN215300635U (en) | 2021-05-02 | 2021-05-02 | 5G base station coupling zoom-out system |
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| CN202120937828.5U CN215300635U (en) | 2021-05-02 | 2021-05-02 | 5G base station coupling zoom-out system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113225132A (en) * | 2021-05-02 | 2021-08-06 | 深圳林诺科技有限公司 | 5G base station coupling zoom-out system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113225132A (en) * | 2021-05-02 | 2021-08-06 | 深圳林诺科技有限公司 | 5G base station coupling zoom-out system |
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