CN109150208B - Device for enhancing space-to-air coverage capability of mobile communication base station - Google Patents
Device for enhancing space-to-air coverage capability of mobile communication base station Download PDFInfo
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- CN109150208B CN109150208B CN201811286565.5A CN201811286565A CN109150208B CN 109150208 B CN109150208 B CN 109150208B CN 201811286565 A CN201811286565 A CN 201811286565A CN 109150208 B CN109150208 B CN 109150208B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
- H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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Abstract
The invention discloses a device for enhancing the sky coverage capability of a mobile communication base station, which comprises a conversion channel module, an interface processing module, a digital beam forming module, a transceiving channel module and an antenna array, wherein the transceiving channel module comprises a plurality of paths of transceiving channels, and the antenna array comprises a plurality of antenna array elements which are in one-to-one correspondence with the transceiving channels; the conversion channel module is connected with a baseband processing unit of the mobile communication base station through a radio remote unit and is used for realizing the conversion between radio frequency signals and digital signals; the conversion channel module is connected with the digital beam forming module through an interface processing module; the digital beam forming module is respectively connected with the corresponding antenna array element through each receiving and transmitting channel. The invention provides a device for enhancing the sky coverage capability of a mobile communication base station, which can be directly connected with a radio remote unit of the existing base station and has good compatibility with the radio remote unit of the existing base station.
Description
Technical Field
The present invention relates to mobile communications, and in particular, to an apparatus for enhancing the space-sky coverage capability of a mobile communication base station.
Background
In the modern times, mobile communication base stations have very wide application in information transmission processes, and the existing mobile communication base stations mainly comprise a baseband processing unit (BBU), a Radio Remote Unit (RRU) and an antenna. The BBU completes baseband processing and is connected with the RRU, the RRU completes frequency conversion processing and is connected with the antenna through the radio frequency cable, and the antenna completes radiation and reception of electromagnetic signals.
However, the coverage area of the antenna airspace of the existing mobile communication base station is limited, and the coverage capability of the sky is poor; the full airspace array antenna is provided with array elements with radiation directions opposite to the sky, and the directional beam covering the sky is generated by utilizing the digital beam forming technology, so that the receiving or the transmitting of the wireless signals of the full airspace or most airspaces can be realized, and therefore, the full airspace array antenna can be used for replacing the antenna of the existing mobile communication base station to realize the enhancement of the sky and space covering capability of the existing base station.
However, an output signal of a Radio Remote Unit (RRU) of the existing base station is a radio frequency signal, an input signal of digital beam synthesis of the full-airspace array antenna is a digital signal, and meanwhile, the number of output interfaces of the RRU is different from the number of input interfaces of the full-airspace array antenna, so that the full-airspace array antenna cannot be directly connected with the RRU, that is, cannot be compatible with the existing base station RRU equipment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a device for enhancing the sky coverage capability of a mobile communication base station, which can be directly connected with a radio remote unit of the prior base station and has good compatibility with the radio remote unit of the prior base station.
The purpose of the invention is realized by the following technical scheme: a device for enhancing the space-sky coverage capability of a mobile communication base station comprises a conversion channel module, an interface processing module, a digital beam forming module, a transceiving channel module and an antenna array, wherein the transceiving channel module comprises a plurality of transceiving channels, and the antenna array comprises a plurality of antenna array elements which are in one-to-one correspondence with the transceiving channels; the conversion channel module is connected with the digital beam forming module through an interface processing module;
the conversion channel module is connected with a baseband processing unit of the mobile communication base station through a radio remote unit and is used for realizing the conversion between radio frequency signals and digital signals; the interface processing module is used for finishing data convergence transmission between the conversion channel module and the digital beam forming module; the digital beam forming module is used for adjusting the amplitude-phase weighting coefficient of each receiving and transmitting channel to realize the transmitting beam forming covering a specific airspace, and the digital beam forming module is respectively connected with the corresponding antenna array element through each receiving and transmitting channel.
Furthermore, each path of the transceiving channel comprises a radio frequency transceiving component, a first selection switch, a transceiving change-over switch and a first duplexer; the digital beam forming module is connected with the radio frequency transceiving component, the radio frequency transceiving component is connected with the first selection switch, the first selection switch is respectively connected with the transceiving switch and the first duplexer, and the transceiving switch and the first duplexer are both connected with the antenna array element corresponding to the transceiving channel.
Furthermore, the conversion channel module comprises a plurality of conversion channels, the number of the conversion channels is the same as that of the channels of the radio remote unit, and the conversion channels are connected in a one-to-one correspondence manner;
the conversion channel comprises a second duplexer, a coupler, a transceiving control unit, an envelope detection unit, a second selection switch and a signal conversion channel;
one end of the signal conversion channel is connected with the interface processing module, the other end of the signal conversion unit is connected with a second selection switch, the second selection switch is respectively connected with the transceiving control unit and the second duplexer, the transceiving control unit is connected with the coupler, and the second duplexer and the coupler are both connected with the radio remote unit;
the input end of the envelope detection unit is connected with the coupler and used for detecting the receiving and transmitting time slot of the signal and transmitting the detection result to the receiving and transmitting controller, and the receiving and transmitting controller completes receiving and transmitting switching control according to the detection result.
Each signal conversion channel comprises a first filtering unit, a first power detection unit, a first down-conversion unit, a first analog-to-digital conversion unit, a second filtering unit, a first power adjustment unit, a first up-conversion unit and a first digital-to-analog conversion unit; the input end of the first filtering unit is connected with the transceiving control unit or the duplexer through a second selection switch, and the output end of the first filtering unit is connected to the interface processing module through the first power detection unit, the first down-conversion unit and the first analog-to-digital conversion unit in sequence; the input end of the first digital-to-analog conversion unit is connected with the interface processing module, the output end of the first digital-to-analog conversion unit is connected to the second filtering unit through the first up-conversion unit and the first power adjustment unit in sequence, and the output end of the second filtering unit is connected with the transceiving control unit or the duplexer through the second selection switch;
each radio frequency transceiving component comprises a second digital-to-analog conversion unit, a second up-conversion unit, a third filtering unit, a power amplification unit, a low-noise amplification unit, a fourth filtering unit, a second power detection unit, a second down-conversion unit and a second analog-to-digital conversion unit; the input end of the second digital-to-analog conversion unit is connected with the digital beam forming module, and the output end of the second digital-to-analog conversion unit is connected with the first selection switch sequentially through the second up-conversion unit, the third filtering unit and the power amplification unit; the input end of the low-noise amplification unit is connected with the first selection switch, and the output end of the low-noise amplification unit is connected to the digital beam forming module through the fourth filtering unit, the second power detection unit, the second down-conversion unit and the second analog-to-digital conversion unit in sequence;
the interface processing module comprises a data transmission unit and a power control unit, wherein the data transmission unit is used for finishing data convergence transmission between the conversion channel module and the digital beam forming module; the power control unit is used for receiving the power information detected by the first power detection unit and controlling the amplification power of the transceiving channel module according to the power information, or receiving the power information acquired by the second power detection unit and controlling the power adjustment in the conversion channel module according to the power information.
Preferably, the shape of the device includes, but is not limited to, spherical, hemispherical combined with cylindrical, polyhedral, smooth curved, and polygonal spliced mesh curved surfaces.
The invention has the beneficial effects that: the invention can be directly connected with the radio remote unit of the existing base station, and ensures the compatibility with the radio remote unit of the existing base station while enhancing the sky coverage capability of the existing mobile communication base station.
Drawings
FIG. 1 is a functional block diagram of the present invention;
FIG. 2 is a schematic diagram of a transmit-receive channel;
FIG. 3 is a schematic diagram of a switching channel;
FIG. 4 is a schematic diagram of an RF transceiver module;
FIG. 5 is a schematic diagram illustrating the application of the present invention to a communication base station in a TDD operating scenario;
fig. 6 is a schematic diagram illustrating the principle of applying the present invention to a communication base station in an FDD operating scenario.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1, a device for enhancing sky coverage capability of a mobile communication base station includes a switching channel module, an interface processing module, a digital beam forming module, a transceiving channel module and an antenna array, where the transceiving channel module includes multiple transceiving channels, and the antenna array includes multiple antenna array elements corresponding to the transceiving channels one to one; the conversion channel module is connected with the digital beam forming module through an interface processing module;
the conversion channel module is connected with a baseband processing unit of the mobile communication base station through a radio remote unit and is used for realizing the conversion between radio frequency signals and digital signals; the interface processing module is used for finishing data convergence transmission between the conversion channel module and the digital beam forming module; the digital beam forming module is used for adjusting the amplitude-phase weighting coefficient of each receiving and transmitting channel to realize the transmitting beam forming covering a specific airspace, and the digital beam forming module is respectively connected with the corresponding antenna array element through each receiving and transmitting channel.
In the embodiments of the present application, the shape of the device preferably includes, but is not limited to, spherical, hemispherical and cylindrical combined, polyhedral, smooth curved, and polygonal spliced mesh curved surface.
As shown in fig. 2, each of the transceiving channels includes a radio frequency transceiving component, a first selection switch, a transceiving switch and a first duplexer; the digital beam forming module is connected with the radio frequency transceiving component, the radio frequency transceiving component is connected with the first selection switch, the first selection switch is respectively connected with the transceiving switch and the first duplexer, and the transceiving switch and the first duplexer are both connected with the antenna array element corresponding to the transceiving channel.
The conversion channel module comprises a plurality of conversion channels, the number of the conversion channels is the same as that of the channels of the radio remote unit, and the conversion channels are connected in a one-to-one correspondence manner;
as shown in fig. 3, the switching path includes a second duplexer, a coupler, a transceiving control unit, an envelope detection unit, a second selection switch, and a signal switching path;
one end of the signal conversion channel is connected with the interface processing module, the other end of the signal conversion unit is connected with a second selection switch, the second selection switch is respectively connected with the transceiving control unit and the second duplexer, the transceiving control unit is connected with the coupler, and the second duplexer and the coupler are both connected with the radio remote unit;
the input end of the envelope detection unit is connected with the coupler and used for detecting the receiving and transmitting time slot of the signal and transmitting the detection result to the receiving and transmitting controller, and the receiving and transmitting controller completes receiving and transmitting switching control according to the detection result.
Each signal conversion channel comprises a first filtering unit, a first power detection unit, a first down-conversion unit, a first analog-to-digital conversion unit, a second filtering unit, a first power adjustment unit, a first up-conversion unit and a first digital-to-analog conversion unit; the input end of the first filtering unit is connected with the transceiving control unit or the duplexer through a second selection switch, and the output end of the first filtering unit is connected to the interface processing module through the first power detection unit, the first down-conversion unit and the first analog-to-digital conversion unit in sequence; the input end of the first digital-to-analog conversion unit is connected with the interface processing module, the output end of the first digital-to-analog conversion unit is connected to the second filtering unit through the first up-conversion unit and the first power adjustment unit in sequence, and the output end of the second filtering unit is connected with the transceiving control unit or the duplexer through the second selection switch;
as shown in fig. 4, each of the radio frequency transceiver components includes a second digital-to-analog conversion unit, a second up-conversion unit, a third filtering unit, a power amplification unit, a low noise amplification unit, a fourth filtering unit, a second power detection unit, a second down-conversion unit, and a second analog-to-digital conversion unit; the input end of the second digital-to-analog conversion unit is connected with the digital beam forming module, and the output end of the second digital-to-analog conversion unit is connected with the first selection switch sequentially through the second up-conversion unit, the third filtering unit and the power amplification unit; the input end of the low-noise amplification unit is connected with the first selection switch, and the output end of the low-noise amplification unit is connected to the digital beam forming module through the fourth filtering unit, the second power detection unit, the second down-conversion unit and the second analog-to-digital conversion unit in sequence;
the interface processing module comprises a data transmission unit and a power control unit, wherein the data transmission unit is used for finishing data convergence transmission between the conversion channel module and the digital beam forming module; the power control unit is used for receiving the power information detected by the first power detection unit and controlling the amplification power of the transceiving channel module according to the power information, or receiving the power information acquired by the second power detection unit and controlling the power adjustment in the conversion channel module according to the power information.
In the embodiment of the application, because channel conversion module has accomplished and has converted radio frequency signal and digital signal, so can directly link with the radio remote unit of current basic station, guaranteed with the compatibility between the radio remote unit of current basic station, cooperate the baseband processing unit and the radio remote unit of current basic station, can effectively strengthen the sky covering ability of current mobile communication basic station, specifically theory of operation is as follows:
under a TDD working scene, controlling a first selection switch to communicate a radio frequency transceiving component with a transceiving changeover switch, and communicating a signal conversion channel with a transceiving control unit by a second selection switch; as shown in fig. 5, an output signal of the remote radio unit is coupled to an envelope detection unit, and the output signal is sent to the envelope detection unit, where the size of the envelope signal is detected, and if the size of the envelope signal is greater than a threshold, the signal is a transmission time slot, and if the size of the envelope signal is less than the threshold, the signal is a reception time slot;
if the detection is the transmission time slot, filtering, power detection, down-conversion and analog-to-digital conversion are carried out on the output signal of the radio remote unit through a conversion channel to obtain an original baseband sending signal, and the original baseband sending signal is sent to an interface processing module; the interface processing module finishes data aggregation and distributes the data to the digital beam forming module; the digital beam forming module adjusts the amplitude-phase weighting coefficient of each channel to realize the emission beam forming covering a specific airspace; the baseband signals of each channel after amplitude and phase adjustment are further subjected to digital-to-analog conversion, up-conversion, filtering and signal amplification based on a power detection value through a transceiving channel, and are radiated by an array element under the control of a transceiving selector switch;
if the detection is a receiving time slot, signals received by each antenna array element are amplified, filtered, power detected, down-converted, analog-to-digital converted and input to a digital beam forming module through a receiving and transmitting channel under the control of a receiving and transmitting selector switch; the digital beam forming module adjusts the amplitude-phase weighting coefficient of each channel to realize the receiving beam forming covering a specific airspace; the interface processing module converges the signals after the received beam forming and distributes the signals to the conversion channel module; the conversion channel module performs digital-to-analog conversion, up-conversion, filtering and radio frequency signal power adjustment based on the power detection value to obtain a radio frequency receiving signal and transmits the radio frequency receiving signal to the radio remote unit;
in the case of an FDD working scenario,
as shown in fig. 6, the first selection switch is controlled to communicate the rf transceiver module with the first duplexer, and the second selection switch communicates the signal conversion channel with the second duplexer;
the duplexer in the conversion channel completes the separation of the transmitting and receiving signals, and for the transmitting signal, the output signal of the radio remote unit is output to the conversion channel through the duplexer; the conversion channel carries out filtering, power detection, down-conversion and analog-to-digital conversion on the received signal to obtain an original baseband transmission signal, and the original baseband transmission signal is sent to an interface processing module; the interface processing module finishes data aggregation and distributes the data to the digital beam forming module, and the digital beam forming module adjusts the amplitude-phase weighting coefficient of each channel to realize the emission beam forming covering a specific airspace; the baseband signals of each channel after amplitude and phase adjustment are subjected to digital-to-analog conversion, up-conversion, filtering and signal amplification based on a power detection value through a transceiving channel, and are radiated by an array element after passing through a duplexer;
for receiving signals, the signals received by each antenna array element enter each receiving and transmitting channel through a duplexer to be amplified, filtered, subjected to power detection, subjected to down-conversion and analog-to-digital conversion, and then input into a digital beam forming module; the digital beam forming module adjusts the amplitude-phase weighting coefficient of each channel to realize the receiving beam forming covering a specific airspace; the interface processing module converges the signals after the received beam forming and distributes the signals to the conversion channel module; the conversion channel module performs digital-to-analog conversion, up-conversion, filtering and radio frequency signal power adjustment based on the power detection value to obtain a radio frequency receiving signal and sends the radio frequency receiving signal to the radio frequency remote unit through the duplexer.
The TDD working scene and the FDD working scene comprise the following two working modes:
first, single-stream mode:
the method comprises the steps that a baseband processing unit and a radio remote unit are configured to work in a single antenna mode, the baseband processing unit processes a single data stream at the moment, the radio remote unit only works in one channel, when the radio remote unit transmits the radio remote unit, a device receives a single radio frequency signal output by the radio remote unit, the single baseband data stream is analyzed, a digital beam is formed through digital beam forming, and the sky coverage is achieved. When receiving, the device forms digital beams through digital beam forming, realizes space-sky coverage, receives user signals, analyzes a single baseband data stream, and recovers the single baseband data stream into radio frequency signals to be output to a radio remote unit;
second, multi-stream mode:
configuring a baseband processing unit and a radio remote unit to work in a multi-antenna mode, and realizing multi-antenna space division multiplexing through codebook design, wherein the baseband processing unit simultaneously processes L data streams, each data stream bears data of different users, the data of the same user only exists in one data stream, and the radio remote unit simultaneously performs frequency conversion of L channels; during transmission, the device receives L radio frequency signals output by the radio remote unit, analyzes L baseband data streams, and forms L digital beams through digital beam forming, thereby realizing user data transmission of L airspaces; during receiving, the device forms L digital beams through digital beam forming, covers users in L airspaces, receives user signals, analyzes L baseband data streams, recovers the baseband data streams into L radio frequency signals and outputs the radio frequency signals to the radio remote unit. The system capacity improvement brought by the multi-antenna space division multiplexing is not reflected in the improvement of the data transmission rate of a single user, but is in the improvement of the access number of the space users.
Therefore, the invention can improve the airspace coverage range and improve the space-sky coverage capability of the mobile communication base station because the invention simultaneously forms a plurality of digital beams by utilizing the digital multi-beam forming technology; in some embodiments of the present application, it may also be determined whether a user uplink signal exists in a certain beam through power detection, and if there is no user uplink signal in the beam, the beam signal does not participate in beam superposition, so as to avoid introducing additional noise. In conclusion, on the basis of the existing mobile communication base station, the coverage and access of the air-to-air user terminal can be realized only by adopting the device of the invention to replace the existing antenna and carrying out proper configuration, thereby effectively improving the air-to-air coverage capability of the communication system; in the single-stream mode, high-gain narrow beams and a digital multi-beam forming technology can be adopted, the system coverage is improved, and in the multi-stream mode, the space division multiplexing of multiple antennas can be utilized, so that the access number of space users is increased.
Finally, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof. For example, the division of the modules is a logical function division, and in actual implementation, there may be another division manner, which may be combined or separated, or some features may be omitted, or not executed; the method can be realized in a hardware mode, and can also be realized in a software functional unit mode. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An apparatus for enhancing space-day coverage capability of a mobile communication base station, comprising: the antenna array comprises a conversion channel module, an interface processing module, a digital beam forming module, a transceiving channel module and an antenna array, wherein the transceiving channel module comprises a plurality of paths of transceiving channels, and the antenna array comprises a plurality of antenna array elements which are in one-to-one correspondence with the transceiving channels; the conversion channel module is connected with the digital beam forming module through an interface processing module;
the conversion channel module is connected with a baseband processing unit of the mobile communication base station through a radio remote unit and is used for realizing the conversion between radio frequency signals and digital signals; the interface processing module is used for finishing data convergence transmission between the conversion channel module and the digital beam forming module; the digital beam forming module is used for adjusting the amplitude-phase weighting coefficient of each receiving and transmitting channel to realize the transmitting beam forming covering a specific airspace, and the digital beam forming module is respectively connected with the corresponding antenna array element through each receiving and transmitting channel;
the conversion channel module comprises a plurality of conversion channels, the number of the conversion channels is the same as that of the channels of the radio remote unit, and the conversion channels are connected in a one-to-one correspondence manner;
the conversion channel comprises a second duplexer, a coupler, a transceiving control unit, an envelope detection unit, a second selection switch and a signal conversion channel;
one end of the signal conversion channel is connected with the interface processing module, the other end of the signal conversion unit is connected with a second selection switch, the second selection switch is respectively connected with the transceiving control unit and the second duplexer, the transceiving control unit is connected with the coupler, and the second duplexer and the coupler are both connected with the radio remote unit;
the input end of the envelope detection unit is connected with the coupler and used for detecting the receiving and transmitting time slot of the signal and transmitting the detection result to the receiving and transmitting controller, and the receiving and transmitting controller completes receiving and transmitting switching control according to the detection result.
2. The apparatus of claim 1, wherein the apparatus for enhancing space-day coverage capability of the mobile communication base station comprises: each path of the transceiving channel comprises a radio frequency transceiving component, a first selection switch, a transceiving change-over switch and a first duplexer; the digital beam forming module is connected with the radio frequency transceiving component, the radio frequency transceiving component is connected with the first selection switch, the first selection switch is respectively connected with the transceiving switch and the first duplexer, and the transceiving switch and the first duplexer are both connected with the antenna array element corresponding to the transceiving channel.
3. The apparatus of claim 1, wherein the apparatus for enhancing space-day coverage capability of the mobile communication base station comprises: each signal conversion channel comprises a first filtering unit, a first power detection unit, a first down-conversion unit, a first analog-to-digital conversion unit, a second filtering unit, a first power adjustment unit, a first up-conversion unit and a first digital-to-analog conversion unit; the input end of the first filtering unit is connected with the transceiving control unit or the duplexer through a second selection switch, and the output end of the first filtering unit is connected to the interface processing module through the first power detection unit, the first down-conversion unit and the first analog-to-digital conversion unit in sequence; the input end of the first digital-to-analog conversion unit is connected with the interface processing module, the output end of the first digital-to-analog conversion unit is connected to the second filtering unit sequentially through the first up-conversion unit and the first power adjustment unit, and the output end of the second filtering unit is connected with the transceiving control unit or the duplexer through the second selection switch.
4. The apparatus for enhancing sky coverage capability of a mobile communication base station as claimed in claim 2, wherein: each radio frequency transceiving component comprises a second digital-to-analog conversion unit, a second up-conversion unit, a third filtering unit, a power amplification unit, a low-noise amplification unit, a fourth filtering unit, a second power detection unit, a second down-conversion unit and a second analog-to-digital conversion unit; the input end of the second digital-to-analog conversion unit is connected with the digital beam forming module, and the output end of the second digital-to-analog conversion unit is connected with the first selection switch sequentially through the second up-conversion unit, the third filtering unit and the power amplification unit; the input end of the low-noise amplification unit is connected with the first selection switch, and the output end of the low-noise amplification unit is connected to the digital beam forming module sequentially through the fourth filtering unit, the second power detection unit, the second down-conversion unit and the second analog-to-digital conversion unit.
5. The apparatus of claim 1, wherein the apparatus for enhancing space-day coverage capability of the mobile communication base station comprises: the interface processing module comprises a data transmission unit and a power control unit, wherein the data transmission unit is used for finishing data convergence transmission between the conversion channel module and the digital beam forming module; the power control unit is used for receiving the power information detected by the first power detection unit and controlling the amplification power of the transceiving channel module according to the power information, or receiving the power information acquired by the second power detection unit and controlling the power adjustment in the conversion channel module according to the power information.
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| CN113055040B (en) * | 2019-12-26 | 2022-06-07 | 中国电信股份有限公司 | Radio remote unit and communication system |
| WO2022067820A1 (en) * | 2020-09-30 | 2022-04-07 | 华为技术有限公司 | Antenna control apparatus, radio remote unit and communication system |
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| KR101118919B1 (en) * | 2009-07-27 | 2012-02-27 | 주식회사 에이스테크놀로지 | Base station antenna device with built-in transmitting and receiving module |
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| CN1547333A (en) * | 2003-11-28 | 2004-11-17 | 中兴通讯股份有限公司 | A broad beam forming method for intelligent antenna base station |
| CN201118583Y (en) * | 2007-08-21 | 2008-09-17 | 中国移动通信集团公司 | Outside antenna feedback system for base station |
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