CN112512055A - Indoor distribution single-path coverage system - Google Patents
Indoor distribution single-path coverage system Download PDFInfo
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- CN112512055A CN112512055A CN202011332859.4A CN202011332859A CN112512055A CN 112512055 A CN112512055 A CN 112512055A CN 202011332859 A CN202011332859 A CN 202011332859A CN 112512055 A CN112512055 A CN 112512055A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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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
- H04B7/0413—MIMO systems
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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
- H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The embodiment of the application provides an indoor distribution single-channel coverage system, and the system includes: a multi-system combiner and an antenna; the multi-system combiner is used for receiving three first signals with different frequencies and at least four second signals with the same frequency, combining the three first signals with different frequencies and at least one second signal, and transmitting the combined signals through a first antenna element of the antenna; and at least three second signals with the same frequency are respectively transmitted through the second antenna element of the antenna, the third antenna element of the antenna and the fourth antenna element of the antenna. The indoor distribution single-path coverage system provided by the embodiment of the application can realize 5G 4 Multiple Input Multiple Output (MIMO) on the existing single-path indoor distribution system, improves the signal quality of the indoor distribution system, and improves the user perception experience.
Description
Technical Field
The application belongs to the technical field of wireless communication, and particularly relates to an indoor distribution single-path coverage system.
Background
With the development of mobile data, more and more users access a fifth generation mobile communication technology (5G) network, but because the 5G technology is not yet mature, a 4th generation mobile communication technology (4G) network and a 5G network coexist for a long time at present.
In practical application, the indoor distribution system is one of key areas of 5G network deployment, most of the original 4G indoor distribution systems are single-path 2 × 2 multiple-input multiple-output (MIMO) indoor distribution systems, the indoor distribution systems are one of key areas of 5G technologies, 80% of the original 4G indoor distribution systems are single-path 2 * 2MIMO indoor distribution systems, and if the 4G indoor distribution systems and the 5G indoor distribution systems are directly combined, uplink and downlink throughput is greatly reduced.
The current 5G indoor distribution system technology has the problems of poor signal quality, poor user perception and the like.
Disclosure of Invention
The embodiment of the application provides an indoor distribution single-channel coverage system of 5G, can realize 5G 4MIMO on the indoor distribution system of current single-channel, improves indoor distribution system's signal quality, promotes user's perception experience.
The embodiment of the application provides an indoor distribution single-path coverage system, which comprises a multi-system combiner and an antenna;
the multi-system combiner is used for receiving three first signals with different frequencies and at least four second signals with the same frequency, combining the three first signals with different frequencies and at least one second signal, and transmitting the combined signals through a first antenna element of an antenna;
at least three second signals with the same frequency are respectively transmitted through the second antenna element of the antenna, the third antenna element of the antenna and the fourth antenna element of the antenna.
In a possible implementation manner, the system further includes a coupler, and the coupler is configured to distribute radio frequency power to signals transmitted by the first antenna element, the second antenna element, the third antenna element, and the fourth antenna element of the antenna.
In one possible implementation manner, the coupler satisfies radio frequency index requirement information of the system, where the radio frequency index requirement information includes at least one of coupling degree, insertion loss, standing wave ratio, or passive intermodulation.
In one possible implementation manner, the multi-system combiner includes a first variable frequency filtering unit, and the antenna includes a second variable frequency filtering unit;
the first frequency conversion filtering unit is used for respectively carrying out frequency conversion on at least three second signals with the same frequency, wherein the frequency of the at least three second signals after frequency conversion is at least three different frequencies;
and the second frequency conversion filtering unit is used for respectively carrying out frequency conversion on at least three second signals subjected to frequency conversion by the first frequency conversion filtering unit, wherein the frequencies of the at least three second signals subjected to frequency conversion by the second filtering unit are the same.
In a possible implementation manner, the frequencies of at least three second signals after frequency conversion by the first frequency conversion filtering unit are separated by at least 40 MHz.
In one possible implementation, a multi-system combiner includes:
a monitoring unit for monitoring power information and frequency information of at least three first signals of a first frequency and at least four second signals;
the monitoring unit is also used for correcting the power or the frequency according to a preset value when the power or the frequency of the three first signals with different frequencies and the power or the frequency of the at least four second signals with the same frequency deviate from the preset value.
In one possible implementation, an antenna includes:
and the information acquisition unit is used for acquiring the radio frequency power information and the frequency information of each oscillator in the antenna.
In a possible implementation manner, the information acquisition unit is further configured to transmit the radio frequency power information and the frequency information of each element in the antenna to the information acquisition unit.
In one possible implementation, the antenna is a multi-polarized antenna;
the first antenna oscillator is an oscillator vertical to the ground plane;
the first antenna oscillator is an oscillator horizontal to a ground plane;
the first antenna oscillator is an oscillator which is clockwise offset by 45 degrees relative to a ground plane;
the first antenna element is an element that is offset 45 degrees counter-clockwise with respect to the ground plane.
In one possible implementation, the system further includes a power supply module;
and the power supply module is used for supplying power to the multi-system combiner and the antenna.
And the information acquisition unit is also used for receiving and monitoring the radio frequency power information and the frequency information of each oscillator in the antenna.
The technical scheme provided by the embodiment of the application at least has the following beneficial effects:
the indoor distribution single-path coverage system provided by the embodiment of the application can receive three first signals with different frequencies and at least four second signals with the same frequency through the multi-system combiner, combine the three first signals with different frequencies and at least one second signal, and transmit the three first signals and the at least one second signal through the first antenna element of the antenna. And simultaneously, at least three second signals with the same frequency are respectively transmitted through the second antenna element of the antenna, the third antenna element of the antenna and the fourth antenna element of the antenna. Therefore, 5G 4 Multiple Input Multiple Output (MIMO) can be realized on the existing single-path indoor distribution system, the signal quality of the indoor distribution system is improved, and the user perception experience is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an indoor distribution single-path coverage system provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of another indoor distributed one-way coverage system according to an embodiment of the present application.
Detailed Description
Features and exemplary embodiments of various aspects of the present application will be described in detail below, and in order to make objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
With the development of mobile data, more and more users access the 5G network, but as the 5G technology is not yet mature, the 4G technology and the 5G technology coexist for a long time at present.
In practical application, the indoor distribution system is one of key areas of 5G network deployment, most of the original 4G indoor distribution systems are single-path 2 x 2MIMO indoor distribution systems, the indoor distribution systems are one of key areas of 5G technologies, 80% of the original 4G indoor distribution systems are single-path 2 x 2MIMO indoor distribution systems, and if the 4G indoor distribution systems and the 5G indoor distribution systems are directly combined, uplink and downlink throughput is greatly reduced.
The current 5G indoor distribution system technology has the problems of poor signal quality, poor user perception and the like.
Based on the above problem, an embodiment of the present application provides an indoor distributed single-channel coverage system, which may receive three first signals with different frequencies and at least four second signals with the same frequency through a multi-system combiner, combine the three first signals with different frequencies and at least one second signal, and transmit the combined signals through a first antenna element of an antenna. And simultaneously, at least three second signals with the same frequency are respectively transmitted through the second antenna element of the antenna, the third antenna element of the antenna and the fourth antenna element of the antenna. Therefore, 5G 4 Multiple Input Multiple Output (MIMO) can be realized on the existing single-path indoor distribution system, the signal quality of the indoor distribution system is improved, and the user perception experience is improved.
An indoor distributed one-way coverage system provided by an embodiment of the present application will be described in detail below with reference to fig. 1.
As shown in fig. 1, the indoor distributed single-pass overlay system may include a multi-system combiner 110 and an antenna 120.
The antenna 120 includes a first antenna element 121, a second antenna element 122, a third antenna element 123, and a fourth antenna element 124.
A multi-system combiner 110, configured to receive three first signals with different frequencies and at least four second signals with the same frequency, combine the three first signals with different frequencies and the at least one second signal, and transmit the combined signal through a first antenna element 121 of the antenna.
At least three second signals of the same frequency are transmitted through the second antenna element 122 of the antenna 120, the third antenna element 123 of the antenna, and the fourth antenna element 124 of the antenna, respectively.
In one embodiment provided in the present application, the three first signals with different frequencies may include a 2th generation mobile networks (2G) signal with a frequency of 900MHz, a 4G signal with a frequency of 1800MHz and a frequency of 2300 MHz. The at least four second signals of the same frequency may comprise four 5G signals of 2600MHz frequency.
One 2G signal with a frequency of 900MHz, one 4G signal with a frequency of 1800MHz and one frequency of 2300MHz, and any one of four 5G signals with a frequency of 2600MHz are combined and transmitted through the first antenna element 121 of the antenna 120.
The other three signals among the four 5G signals having a frequency of 2600MHz are transmitted through the second antenna element 122, the third antenna element 123, and the fourth antenna element 124 of the antenna 120, respectively.
The indoor distribution single-path coverage system that this application embodiment provided can receive 2G, 4G, 5G signal through the way of multisystem combination to through antenna transmission 2G, 4G, 5G signal, thereby realize 5G 4MIMO on current single-path indoor distribution system, improve indoor distribution system's signal quality, promote user's perception and experience.
In an embodiment provided by the present application, the indoor distributed single-path coverage system further comprises a coupler, and the coupler is configured to distribute radio frequency power for signals transmitted by the first antenna element 121, the second antenna element 122, the third antenna element 123, and the fourth antenna element 124 of the antenna.
The radio frequency power refers to electromagnetic frequencies radiated into space, and the coupler distributes power to signals according to the frequencies of the signals transmitted by the antenna, namely three first signals with different frequencies and at least four second signals with different frequencies.
The system provided by the embodiment of the application can distribute power for the signals transmitted by the antenna, so that the strength of the signals transmitted by the antenna is ensured, and the perception experience of a user when the user uses a network is improved.
The indoor distribution single-path coverage system provided by the embodiment of the application can receive three first signals with different frequencies and at least four second signals with the same frequency through the multi-system combiner, combine the three first signals with different frequencies and at least one second signal, and transmit the three first signals and the at least one second signal through the first antenna element of the antenna. And simultaneously, at least three second signals with the same frequency are respectively transmitted through the second antenna element of the antenna, the third antenna element of the antenna and the fourth antenna element of the antenna. Therefore, 5G 4 Multiple Input Multiple Output (MIMO) can be realized on the existing single-path indoor distribution system, the signal quality of the indoor distribution system is improved, and the user perception experience is improved.
The above figures provide an indoor distributed one-way covering system, and the following describes another indoor distributed one-way covering system provided by the embodiment of the present application with reference to fig. 2.
As shown in fig. 2, in the indoor distributed single-path coverage system provided in the embodiment of the present application, the multi-system combiner 210 includes a first filtering unit 211, and the antenna 220 includes a second filtering unit 221.
The multi-system combiner 210 is configured to receive three first signals of different frequencies and at least four second signals of the same frequency.
The first frequency conversion filtering unit 211 is configured to convert the frequencies of the at least three second signals with the same frequency, respectively, where the frequencies of the at least three second signals after frequency conversion are at least three different frequencies.
The second frequency conversion filtering unit 221 is configured to frequency convert at least three second signals obtained by frequency conversion by the first frequency conversion filtering unit 211, respectively, where the frequencies of the at least three second signals obtained by frequency conversion by the second filtering unit are the same.
The multi-system combiner 210 combines the three first signals with different frequencies and the at least one second signal, combines the combined signals and the at least three second signals after frequency conversion, and sends the combined signals and the at least three second signals to the antenna 220.
The antenna 220 receives the signal sent by the multi-system combiner 210, and splits the signal and transmits the signal through the antenna element. Wherein, three first signals with different frequencies and at least one second signal which is not frequency-converted by the first frequency-conversion filtering unit are transmitted through the first antenna element 223; the at least three second signals after being frequency-converted by the first frequency-conversion filtering unit 211 are respectively frequency-converted into at least three second signals with the same frequency by the second frequency-conversion filtering unit 221, and then are respectively transmitted by the second antenna element 224, the third antenna element 225, and the fourth antenna element 226.
In one embodiment provided herein, the three first signals of different frequencies may include a 2G signal with a frequency of 900MHz, a fourth generation communication technology 4G signal with a frequency of 1800MHz and a frequency of 2300 MHz. The at least four second signals of the same frequency may comprise four 5G signals of 2600MHz frequency. Then, the at least three second signals of the same frequency may be three 5G signals of 2600 MHz.
The multi-system combiner 210 combines a 2G signal having a frequency of 900MHz, a 4G signal having a frequency of 1800MHz and a frequency of 2300MHz, and any one of four 5G signals having a frequency of 2600 MHz.
The first frequency conversion filtering unit 211 respectively converts the other three signals of the four 5G signals with the frequency of 2600MHz into signals with the frequencies of 1020MHz to 1120MHz, 1300MHz to 1400MHz, and 1440MHz to 1540MHz, and filters the three signals after frequency conversion, so as to ensure that the signal frequency is within the preset frequency band (the preset frequency band is 1020MHz to 1120MHz, 1300MHz to 1400MHz, and 1440MHz to 1540 MHz). Then, the multi-system combiner 210 combines the three signals with different frequencies after frequency conversion and filtering, and any one of a 2G signal with a frequency of 900MHz, a 4G signal with a frequency of 1800MHz and a frequency of 2300MHz, and four 5G signals with a frequency of 2600MHz after combination. The combined signal is transmitted to the antenna 220.
The antenna 220 receives the signal sent by the multi-system combiner 210, and splits the signal and transmits the signal through the antenna element. Wherein, a 2G signal with the frequency of 900MHz, a 4G signal with the frequency of 1800MHz and the frequency of 2300MHz, and a 5G signal with the frequency of 2600MHz are transmitted through the first antenna element 223; signals with frequencies of 1020MHz-1120MHz, 1300MHz-1400MHz and 1440MHz-1540MHz are respectively converted into three signals with frequencies of 2600MHz through the second frequency conversion filtering unit 221, and then are respectively transmitted through the second antenna element 224, the third antenna element 225 and the fourth antenna element 226.
The second frequency conversion filtering unit 221 may convert signals of 1020MHz to 1120MHz, 1300MHz to 1400MHz, and 1440MHz to 1540MHz received by the antenna into signals of 2600MHz, and filter the three signals after frequency conversion, so as to ensure that the signal frequency is a preset frequency (the preset frequency is 2600 MHz).
In the system that this application embodiment provided, the first frequency conversion filtering unit of multi-system combiner will be the second signal of at least three different frequencies with the at least three second signal frequency conversion that can the same frequency, and transmit to the antenna, the second frequency conversion filtering unit of antenna can be the signal of three same frequency with the second signal frequency conversion of at least three different frequencies, the purity of frequency in the system has been guaranteed, reduce the influence between the signal in transmission process, guarantee the quality of antenna transmission signal, improve user's perception experience.
In one embodiment provided by the present application, the frequencies of the at least three second signals after frequency conversion by the first frequency conversion filtering unit are separated by at least 40M.
In the system provided by the embodiment of the application, the frequency interval of signals is greater than 40M when the signals are transmitted between the multi-system combiner and the antenna, so that the isolation between frequencies is ensured to be greater than 85dB, and the influence among multiple channels can be ignored.
In the indoor distribution single-path coverage system that this application embodiment provided, the multi-system combiner can be with the second signal frequency conversion of at least three second signal frequency of same frequency for the second signal of at least three different frequencies to transmit to the antenna, the antenna can be with the second signal frequency conversion of at least three different frequencies for the signal of three same frequency, the purity of frequency in the system has been guaranteed, influence between the signal when reducing the signal and transmitting between multi-system combiner and antenna improves user's perception experience.
In one embodiment provided by the present application, the indoor distributed single-channel coverage system further comprises a coupler, and the coupler is configured to distribute radio frequency power for signals transmitted by the first antenna element 223, the second antenna element 224, the third antenna element 225, and the fourth antenna element 226 of the antenna. Power may also be allocated for three first signals of different frequencies and at least four second signals of the same frequency passing through the multi-system combiner.
In one example, the coupler may distribute power for one 2G signal with a frequency of 900MHz, one 4G signal with a frequency of 1800MHz and a frequency of 2300MHz, and four 5G signals with a frequency of 2600MHz received by the multi-system combiner 210. And the frequency of the signal with the frequency of 1020MHz-1120MHz, the frequency of 1300MHz-1400MHz and the frequency of 1440MHz-1540MHz after the frequency conversion of the first frequency conversion filtering unit 211 can be distributed. And power can be distributed to the combined signals sent by the multi-system and the multi-path device. And the frequency can be distributed to a signal with the frequency of 1020MHz-1120MHz, the frequency of 1300MHz-1400MHz and the frequency of 1440MHz-1540MHz after the antenna is branched. And power can be distributed to the three 5G signals with the frequency of 2600MHz after the frequency conversion by the second frequency conversion filtering unit 221.
The coupler in the system provided by the embodiment of the application can distribute power for signals in the system, so that the signal quality is ensured, and the perception experience of a user is improved.
In one embodiment provided by the present application, the coupler satisfies radio frequency index requirement information of an indoor distributed single-path coverage system, wherein the radio frequency index requirement information includes at least one of coupling degree, insertion loss, standing-wave ratio or passive intermodulation.
In one example, the rf performance of the coupler provided by the embodiments of the present application is shown in table 1. The frequency range of the coupler is 798MHz-2700MHz signal distribution power; the coupling degree is 6dB +/-0.8 dB, 10dB +/-1.0 dB or 15dB +/-1.0 dB; the insertion loss is 6 dB: 2.0dB or less and 10 dB: less than or equal to 1.0dB or 15 dB: less than or equal to 0.8 dB; the directivity is more than or equal to 15 dB; the standing-wave ratio is less than or equal to 1.5; the radio frequency power capacity is more than or equal to 200W (mean power); passive intermodulation is less than or equal to-145 dBc (+43dBm 2); the maximum passing current of the coupling end is more than or equal to 10A (DC); the maximum passing current of the straight end is more than or equal to 20A (DC).
TABLE 1 radio frequency index satisfied by coupler
The coupler provided by the embodiment of the application can improve the radio frequency index of the frequency conversion frequency band (1020 plus 1120MHz, 1300 plus 1400MHz and 1440 plus 1540MHz), can ensure the strength of the signal transmitted by the antenna, and improves the sensing experience when the user uses the network.
In an embodiment provided herein, the multi-system combiner 210 includes:
a monitoring unit 212 for monitoring power information and frequency information of the three first signals of different frequencies and the at least four second signals of the same frequency.
When the power or frequency of the three first signals with different frequencies and the power or frequency of the at least four second signals with the same frequency deviate from a preset value, the monitoring unit 212 is further configured to correct the power or frequency according to the preset value.
In one embodiment provided herein, the monitoring unit 212 collects frequency information and corresponding power information of the input and output signals of the multi-system combiner 210. And judging the rationality and balance of the acquired power information so as to judge whether the working state of the multi-system combiner is normal or not, so that operating maintenance and optimization of the system can be conveniently carried out by workers.
In one embodiment provided herein, the monitoring unit 212 may correct the power or frequency of the three first signals with different frequencies and the at least four second signals with the same frequency according to a preset value when the power or frequency deviates from the preset value.
The system provided by the embodiment of the application can correct the power or frequency of the signal in the system to ensure that the signal is a preset value, thereby ensuring the stability of the system operation.
And an information acquisition unit 222, configured to acquire radio frequency power information and frequency information of each element in the antenna 220.
The system provided by the embodiment of the application can monitor the radio frequency power information and the frequency information of the antenna oscillator, and the staff can judge whether the antenna works normally, so that the staff can conveniently operate, maintain and optimize the system.
In an embodiment provided by the present application, the information collecting unit 222 is further configured to transmit the radio frequency power information and the radio frequency information of each element in the antenna 220 to the information monitoring unit 212. So that the monitoring unit 212 can judge the rationality and balance of the power information collected by the information collection unit 222, and when the power is not reasonable, the monitoring unit 412 gives an alarm instruction; when the power is unbalanced, the monitor unit 212 gives a gain adjustment instruction.
In the system provided by the embodiment of the application, the information acquisition module of the antenna can transmit the radio frequency power information and the frequency information of the antenna oscillator to the monitoring unit, so that the monitoring unit can conveniently judge the rationality and balance of the acquired power information, and when the power is unreasonable, the monitoring unit gives an alarm instruction; when the power is unbalanced, the monitoring unit gives a gain adjustment instruction. The stability of the radio frequency power of the antenna is guaranteed, and the perception experience of a user when the user uses the network is improved.
In one embodiment provided herein, antenna 220 is a multi-polarization antenna.
The first antenna element 223 is an element perpendicular with respect to the ground plane.
The second antenna element 224 is an element that is horizontal with respect to the ground plane.
The third antenna element 225 is an element that is offset clockwise 45 degrees with respect to the ground plane.
The fourth antenna element 226 is an element that is offset 45 degrees counter-clockwise with respect to the ground plane.
The system antenna elements provided by the embodiment of the application have different polarization directions, the four antenna elements are guaranteed to be isolated from each other in radio frequency, the throughput efficiency of the system is improved, and the perception experience of a user when the user uses a network is improved.
In one embodiment provided herein, the indoor distributed single-pass coverage system further comprises a power module 230.
And a power supply module 230 for supplying power to the multi-system combiner 210 and the antenna 220.
In the system provided in the embodiment of the present application, the power supply module 230 may supply power to the multi-system combiner and the antenna, so as to ensure normal operation of the multi-system combiner 210 and the antenna 220.
The indoor distribution single-path coverage system provided by the embodiment of the application can receive three first signals with different frequencies and at least four second signals with the same frequency through the multi-system combiner, combine the three first signals with different frequencies and at least one second signal, and transmit the three first signals and the at least one second signal through the first antenna element of the antenna. And simultaneously, at least three second signals with the same frequency are converted into at least three second signals with different frequencies through the first frequency conversion filtering unit and sent to the antenna, and the at least three second signals with different frequencies are converted into at least three second signals with the same frequency through the second frequency conversion filtering unit of the antenna and are transmitted through the second antenna element of the antenna, the third antenna element of the antenna and the fourth antenna element of the antenna respectively. Therefore, 5G 4 Multiple Input Multiple Output (MIMO) can be realized on the existing single-path indoor distribution system, the signal quality of the indoor distribution system is improved, and the user perception experience is improved.
It is to be understood that the present application is not limited to the particular arrangements and instrumentality described above and shown in the attached drawings. A detailed description of known systems is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the system of the present application is not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications, and additions or change the order between the steps after appreciating the spirit of the present application.
The functional blocks shown in the above-described structural block diagrams may be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, plug-in, function card, or the like. When implemented in software, the elements of the present application are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine-readable medium or transmitted by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, semiconductor memory devices, ROM, flash memory, Erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, Radio Frequency (RF) links, and so forth. The code segments may be downloaded via computer networks such as the internet, intranet, etc.
It should also be noted that the exemplary embodiments mentioned in this application describe some methods or systems based on a series of steps or devices. However, the present application is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.
As described above, only the specific embodiments of the present application are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present application, and these modifications or substitutions should be covered within the scope of the present application.
Claims (10)
1. An indoor distributed single-path coverage system, characterized in that the system comprises a multi-system combiner and an antenna;
the multi-system combiner is used for receiving three first signals with different frequencies and at least four second signals with the same frequency, combining the three first signals with different frequencies and at least one second signal, and transmitting the combined signals through a first antenna element of the antenna;
and at least three second signals with the same frequency are respectively transmitted through the second antenna element of the antenna, the third antenna element of the antenna and the fourth antenna element of the antenna.
2. The system of claim 1, further comprising a coupler configured to distribute radio frequency power for transmission signals of the first, second, third, and fourth antenna elements of the antenna.
3. The system of claim 2, wherein the coupler satisfies radio frequency specification requirement information of the system, wherein the radio frequency specification requirement information comprises at least one of coupling degree, insertion loss, standing wave ratio, or passive intermodulation.
4. The system of claim 1, wherein the multi-system combiner includes a first variable frequency filtering unit, and the antenna includes a second variable frequency filtering unit;
the first frequency conversion filtering unit is used for respectively frequency converting the at least three second signals with the same frequency, wherein the frequency of the at least three frequency-converted second signals is at least three different frequencies;
the second frequency conversion filtering unit is configured to frequency convert the at least three second signals after the frequency conversion by the first frequency conversion filtering unit, respectively, where the frequencies of the at least three second signals after the frequency conversion by the second filtering unit are the same.
5. The system according to claim 4, wherein the frequencies of the at least three second signals after frequency conversion by the first frequency conversion filtering unit are separated by at least 40 MHz.
6. The system of claim 1, wherein the multi-system combiner comprises:
the monitoring unit is used for monitoring power information and frequency information of the three first signals with different frequencies and the at least four second signals with the same frequency;
when the power or the frequency of the three first signals with different frequencies and the power or the frequency of the at least four second signals with the same frequency deviate from a preset value, the monitoring unit is further used for correcting the power or the frequency according to the preset value.
7. The method of claim 1, wherein the antenna comprises:
and the information acquisition unit is used for acquiring the radio frequency power information and the frequency information of each oscillator in the antenna.
8. The system of claims 6 and 7, wherein the information collecting unit is further configured to transmit the radio frequency power information and the frequency information of each element in the antenna to the monitoring unit.
9. The system of claim 1, wherein the antenna is a multi-polarized antenna;
the first antenna oscillator is an oscillator vertical to a ground plane;
the first antenna oscillator is an oscillator horizontal to a ground plane;
the first antenna oscillator is an oscillator which is clockwise offset by 45 degrees relative to a ground plane;
the first antenna element is an element which is offset by 45 degrees anticlockwise relative to the ground plane.
10. The system of claim 1, further comprising a power module;
and the power supply module is used for supplying power to the multi-system combiner and the antenna.
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