WO2021147250A1 - 一种射频矩阵及测试*** - Google Patents

一种射频矩阵及测试*** Download PDF

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Publication number
WO2021147250A1
WO2021147250A1 PCT/CN2020/098866 CN2020098866W WO2021147250A1 WO 2021147250 A1 WO2021147250 A1 WO 2021147250A1 CN 2020098866 W CN2020098866 W CN 2020098866W WO 2021147250 A1 WO2021147250 A1 WO 2021147250A1
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Prior art keywords
port
combiner
radio frequency
module
duplex
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PCT/CN2020/098866
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English (en)
French (fr)
Inventor
曹宝华
郑建跤
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南京捷希科技有限公司
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Publication of WO2021147250A1 publication Critical patent/WO2021147250A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/391Modelling the propagation channel
    • H04B17/3912Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters

Definitions

  • the invention relates to the technical field of communication testing, in particular to a radio frequency matrix and a testing system.
  • FDD Frequency-division Duplex
  • MIMO Multiple-Input Multiple-Output
  • FDD Frequency-division Duplex
  • the current test solution for FDD is not mature enough, and the traditional FDD (Frequency-division Duplex Frequency Division Duplex) test solution is still used.
  • the traditional test solution is more complicated, and the traditional FDD There is no ideal laboratory test system and environment to simulate such channels, which makes the traditional FDD test program more complicated.
  • the current test solutions for FDD are not mature enough.
  • the current test solutions are for testing in the R&D phase, with complex structure, inconvenient operation, slow environment construction, and low cost performance. Especially for the performance verification of multi-channel beam synthesis for super-large-scale antenna array base stations, the industry does not have a convenient and efficient system solution.
  • radio frequency matrix and test system which can simplify the operation process, improve the test efficiency, and can serve the global cellular communications, especially the base station equipment vendors in the industry, Antenna equipment vendors, operators, terminal vendors, scientific research institutes and other institutions.
  • the present invention provides the purpose of the present invention to provide a radio frequency matrix and test system, which solves the technical problem that the traditional test scheme is complicated and cannot be tested in a laboratory analog channel.
  • the present invention provides:
  • a radio frequency matrix including M first ports and N second ports, each first port is connected to the main port of a one-point N power splitter/combiner, and each second port is connected to a one-point M
  • the main port of the power splitter/combiner, one split port of each one-point N power splitter/combiner and one split port of each one-point M power split/combiner are connected with a phase shifting module to form A radio frequency channel;
  • the radio frequency matrix also includes a duplex module, and the duplex module is also connected between a split port of each one-point N power splitter/combiner and a split port of each one-point M power splitter/combiner.
  • Module, or, the duplex module is connected between each first port and the main port of a one-point N power splitter/combiner, and each second port is connected to a one-point M power splitter/combiner
  • the duplex module is connected between the main ports;
  • the duplex module divides the radio frequency channels in the radio frequency matrix into M ⁇ N uplink channels and M ⁇ N downlink channels, and each uplink channel and each downlink channel is connected with a phase shift module.
  • the duplex module when the duplex module is connected between the split port of the one-point N power splitter/combiner and the split port of the one-point M power splitter/combiner, the number of the duplex modules Is M ⁇ N ⁇ 2, the number of the one-point N power splitter/combiner is M, the number of the one-point M power splitter/combiner is N, and each one-point N power splitter
  • Two duplex modules are connected between a split port of the splitter/combiner and a split port of each one-point M power split/combiner, among which, the main port of one duplex module is connected to a one-point N power splitter / Splitter of the combiner, the main port of the other duplex module is connected to the split port of a M power split/combiner, and two phase shift modules are connected between the split ports of the two duplex modules to form an uplink Channel and downlink channel.
  • duplex module when the duplex module is connected between the main port and the first port of the one-way N power splitter/combiner and between the main port and the second port of the one-way M power splitter/combiner
  • the number of duplex modules is M+N
  • the number of one-point N power splitters/combiners is 2 ⁇ M
  • each first port is connected to the main port of a duplex module and the split port of the duplex module is connected to the main port of two one-way N power splitter/combiners
  • each second port is connected to the main port of a duplex module.
  • Connect the main port of a duplex module and the split port of the duplex module is connected to the main ports of two one-way M power splitter/combiners.
  • the duplex module is one of the following: a duplexer and a circulator.
  • the duplex module is one of the following: a combination of multiple circulators, a combination of a duplexer and a circulator, a combination of a duplexer and an isolator, and a combination of a circulator and an isolator.
  • the duplex module includes: a single duplexer and two circulators, one end of the two circulators is respectively connected to the input end and the output end of the duplexer.
  • the duplex module includes: a single circulator and two isolators, and the two isolators are respectively connected to different ends of the circulator.
  • the duplex module includes: a single duplexer and two isolators, and the two isolators are respectively connected to different ends of the duplexer.
  • phase shift module is any one of the following: a phase shift component, a phase shift attenuation component, a combination of a phase shift component and an attenuation component.
  • the present invention provides a test system, including a control device and the radio frequency matrix described in any one of the above;
  • the control device is connected to the radio frequency matrix, and the control device is used to obtain the target beam angle, and obtain the M ⁇ N uplink channel and M ⁇ N downlink channel according to the target beam angle and a preset model. Set the phase value, and adjust the phase value of the corresponding channel according to the phase setting value of each channel.
  • the test system provided by the present invention can simulate the transmission characteristics of the FDD standard under a limited test environment, and accurately test the relevant performance of the base station or the terminal under the FDD standard.
  • the test system provided by the present invention can reversely calculate the phase value of each channel through the target beam angle input by the user, while adjusting the angle, obtain the relevant test data reported by the terminal, and analyze whether the test data meets expectations , User operation is simple.
  • the duplex module is used to separate the uplink channel and the downlink channel, and the external is still an overall M ⁇ N radio frequency matrix. There are actually two M ⁇ N channels, the uplink channel and the downlink channel. Will not interfere with each other, and the test accuracy is high.
  • the radio frequency matrix and test system built FDD through equipment such as one-point N power splitter/combiner, duplex module, phase shift module, and one-point M power splitter/combiner.
  • the simulation test equipment solves the problems of complex structure, high cost and low efficiency of the current FDD simulation test equipment, which improves the test efficiency while ensuring the accuracy of the test results.
  • FIG. 1 is a schematic structural diagram of a radio frequency matrix of the first duplex system provided by an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a radio frequency matrix of a second duplex system provided by an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a radio frequency matrix of a third duplex system provided by an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a fourth duplex system radio frequency matrix provided by an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a radio frequency matrix of a fifth duplex system provided by an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a radio frequency matrix of a sixth duplex system provided by an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a radio frequency matrix of a seventh duplex system provided by an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a first type of duplex module provided by an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a second type of duplex module provided by an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a third type of duplex module provided by an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a fourth type of duplex module provided by an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a fifth duplex module provided by an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of a sixth type of duplex module provided by an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of an information flow direction provided by an embodiment of the present invention.
  • 15 is a schematic diagram of a base station antenna vibration source arrangement provided by an embodiment of the present invention.
  • the present invention develops a radio frequency matrix that simulates the transmission characteristics of the frequency division duplex (FDD) standard, a performance testing system and method, and serves the global cellular communications industry.
  • FDD frequency division duplex
  • the present invention provides a radio frequency matrix.
  • the radio frequency matrix is an M ⁇ N radio frequency matrix; it includes M first ports and N second ports, and each first port is connected to each other.
  • the main port of the N power splitter/combiner, each second port is connected to the main port of a one-point M power splitter/combiner, and each one of the N-power splitter/combiner's split port and each A phase shifting module is connected between one split port of a power splitter/combiner to form a radio frequency channel.
  • the power splitter/combiner can combine multiple signals into one channel, or divide a signal into one channel. Multiple signals.
  • the one-point-N power splitter/combiner is used to divide the original signal transmitted by the first port into N-channel signals and transmit it to a split port of each one-point M power splitter/combiner, or to divide each one-to-M power splitter/combiner.
  • the N original signals of one port of the power splitter/combiner are combined into one signal and transmitted to the first port;
  • the one-divided M power splitter/combiner is used to divide the original signal transmitted by a second port into M signals Transmit to one port of each one-way N-power splitter/combiner, or combine the original M-channel signals from one port of each one-way N-power split/combiner into one signal and transmit it to the second port.
  • the radio frequency matrix also includes a duplex module, and the duplex module is also connected between one split port of each one-point N power splitter/combiner and one split port of each one-point M power splitter/combiner.
  • Module, or, the duplex module is connected between each first port and the main port of a one-point N power splitter/combiner, and each second port is connected to a one-point M power splitter/combiner
  • the duplex module is connected between the main ports.
  • the duplex module divides the radio frequency channels in the radio frequency matrix into M ⁇ N uplink channels and M ⁇ N downlink channels, and each uplink channel and each downlink channel is connected with a phase shift module.
  • the M ⁇ N radio frequency matrix is used to convert the M downlink original signals sent by the base station into N downlink received signals through M ⁇ N downlink channels and send them to the terminal; the M ⁇ N radio frequency matrix is also used to transmit the original N routes sent by the terminal.
  • the signal is converted into an M line receiving signal through the M ⁇ N line channel and sent to the base station.
  • the duplex module has a main port and two sub ports.
  • the main port is a common port that can receive and transmit signals.
  • One sub port is used to receive signals, and the other sub port is used to transmit signals.
  • the number of duplex modules is M ⁇ N ⁇ 2
  • the number of one-point N power splitters/combiners is M
  • the number of one-point M power splitters/combiners is M.
  • the number is N.
  • duplex modules connected between one port of each one-point N power splitter/combiner and each one-point M power splitter/combiner, one of which is a dual
  • the main port of the industrial module is connected to the split port of the one-point N power splitter/combiner
  • the main port of the other duplex module is connected to the split port of the one-point M power splitter/combiner
  • one of the split ports of the two duplex modules There are two phase shift modules connected in between to form an uplink channel and a downlink channel.
  • the radio frequency matrix includes: M one-way N power splitters/combiners, N ⁇ M first duplex modules, N ⁇ M ⁇ 2 phase shifting modules, M ⁇ N second Duplex module and N one-point M power splitter/combiner;
  • each one-to-N power splitter/combiner can be connected to the vibration source of the base station through the first port, and the connection method can be a conductive communication connection.
  • the N split ports of a one-point N power splitter/combiner can be connected to the main ports of the N first duplex modules in a one-to-one correspondence.
  • the embodiment of this specification takes the duplexer as an example, and each first duplex module
  • the split port can be connected to one end of a first phase shifting module in a one-to-one correspondence, the other end of the first phase shifting module can be connected to the split port of the second duplex module, and the main port of the second duplex module is in accordance with the one
  • the communication address of the N-point power splitter/combiner is connected to the corresponding split port of the one-point M power splitter/combiner, and the main port of the one-point M power splitter/combiner connects all corresponding second duplex modules
  • the transmitted signals are combined and transmitted to the target terminal.
  • Fig. 14 is a schematic structural diagram of an information flow direction provided by an embodiment of the present invention. As shown in Fig.
  • the original downlink signal sent by the base station's vibration source is split into N pieces of identical signals through a one-to-N power splitter/combiner.
  • each signal is transmitted to the corresponding one-point M power splitter/combiner through the first duplex module, phase shift module and second duplex module, and then transmitted to the corresponding one-point M power splitter/combiner through the integration of the one-point M power splitter/combiner Target terminal to form M ⁇ N downlink channels.
  • the target terminal sends the original uplink signal, it is split into M identical signals by a split M power splitter/combiner, and each signal is transmitted to the corresponding signal through the second duplex module, the phase shift module, and the first duplex module.
  • the one-point-N power splitter/combiner is integrated by the one-point N power splitter/combiner and then transmitted to the base station to form an M ⁇ N on-road channel.
  • the duplex module when the duplex module is connected between the main port and the first port of the one-point N power splitter/combiner and the one-point M power splitter/ Between the main port and the second port of the combiner, the number of the duplex modules is M+N, the number of the one-to-N power splitter/combiner is 2 ⁇ M, and the The number of one-point M power splitter/combiners is 2 ⁇ N, and each first port is connected to the main port of a duplex module and the split port of the duplex module is connected to two one-point N power splitter/combiners For the main port of the router, each second port is connected to the main port of a duplex module and the split port of the duplex module is connected to the main ports of two one-way M power splitters/combiners.
  • the radio frequency matrix includes: M third duplex modules connected in sequence, 2 ⁇ M one-way N power splitters/combiners, and N ⁇ M ⁇ 2 phase shifters Module, 2 ⁇ N one-point M power splitter/combiner and N fourth duplex modules;
  • the main port of each third duplex module can be connected to the vibration source of the base station through the first port, and the connection method can be connected by conducting communication.
  • the sub-port of each third duplex module can be connected to a one-point N
  • the main ports of the power splitter/combiner are connected one-to-one, and the split ports of the one-point N power splitter/combiner are connected to one end of the second phase-shifting module one-to-one, and the other end of the second phase-shifting module is connected according to one-point N
  • the communication address of the power splitter/combiner corresponds to the split port connected to the one-point M power splitter/combiner, and the main port of the one-point M power splitter/combiner is connected to the fourth duplex according to the communication address of the third duplex module
  • the sub-port of the module, the second port of the main port of the fourth duplex module is connected to the target terminal.
  • the original downlink signal sent by the vibration source of the base station is transmitted to the one-point N-power splitter/combiner through the third duplex module, and is split into N same signals by the one-point N power splitter/combiner, and each signal passes through After the phase shifting module, it is transmitted to the corresponding fourth duplex module through the convergence of a division M power division/combiner, and then transmitted to the target terminal after passing through the fourth duplex module to form an M ⁇ N downlink channel.
  • the original uplink signal sent by the target terminal is transmitted to the one-way N-power splitter/combiner through the fourth duplex module, and is split into M identical signals through the one-way N power splitter/combiner, and each signal is phase-shifted
  • the module is then transmitted to the corresponding fourth duplex module through the convergence of a M power splitter/combiner, and then transmitted to the base station after the fourth duplex module to form an M ⁇ N on-road channel.
  • both the one-point N power splitter/combiner and the one-point M power splitter/combiner can split a signal into two or more signals with equal or unequal output, or two Channel or multiple channels output equal or unequal signals converge into one signal.
  • M one-to-N power splitters/combiners N ⁇ M first duplex modules, N ⁇ M ⁇ 2 phase shift modules, M ⁇ N second duplex modules, and N one Between M power divider/combiner, or M third duplex module, 2 ⁇ M one-point N power divider/combiner, N ⁇ M ⁇ 2 phase shift modules, 2 ⁇ N one-point
  • the M power splitter/combiner and the N fourth duplex modules are all connected by means of radio frequency cables.
  • the duplex performance test system provided by the present invention can simulate the transmission characteristics of the FDD standard under a limited test environment, and accurately test the relevant performance of the base station or the terminal under the FDD standard.
  • the duplex performance test system provided by the present invention can reversely calculate the phase value of each channel through the target beam angle input by the user, while adjusting the angle, obtain the relevant test data reported by the terminal, and analyze whether the test data meets expectations , User operation is simple.
  • the duplex module is used to separate the uplink channel and the downlink channel to form an M ⁇ N radio frequency matrix externally. There are actually two M ⁇ N channels, and the uplink channel and the downlink channel will not interact with each other. Interference, high test accuracy.
  • the duplex module is one of the following: a duplexer and a circulator.
  • FIG. 8 is a schematic structural diagram of the first type of duplex module provided by an embodiment of the present invention.
  • the duplex module may be a duplexer, and the duplexer has 3 terminals, which defines the uplink
  • the channel is the channel between the end a and the end b
  • the downlink is defined as the channel between the end c and the end a.
  • the allowable signals of the uplink channel and the downlink channel are different to achieve the purpose of duplexing.
  • the duplex module may be a circulator.
  • FIG. 9 is a schematic structural diagram of the second duplex module provided by an embodiment of the present invention. As shown in FIG. 9, the circulator has 3 terminals, and the downstream channel is defined from terminal d to terminal d to The channel of end e defines the uplink channel as the channel from end f to end d, and the intermediate channel is defined as the channel from end e to end f.
  • the channel uplink channel, intermediate channel and downlink channel are all unidirectional channels to achieve the purpose of duplexing.
  • the duplex module is one of the following: a combination of multiple circulators, a combination of a duplexer and a circulator, a combination of a duplexer and an isolator, and a circulator The combination of a filter and an isolator.
  • the duplex module may be a combination of multiple circulators, a combination of a duplexer and a circulator, a combination of a duplexer and an isolator, or a combination of a circulator and an isolator. Through the combination, the isolation between channels can be improved.
  • FIG. 10 is a schematic structural diagram of a third type of duplex module provided by an embodiment of the present invention
  • the duplex module may be a combination of three circulators, that is, the duplex module includes a first circulator, The second circulator and the third circulator, the first end d of the first circulator can be connected to the first port or one of the N output ports of the one-to-N power splitter/combiner or to the M first ports,
  • the second end e of the first circulator is connected with the first end d of the second circulator
  • the third end f of the first circulator is connected with the first end d of the third circulator
  • the second end of the second circulator is connected e is connected to the input or output of the phase shifting module and the one-to-N power splitter/combiner
  • the third end f of the second circulator and the second end e of the third circulator are both connected to the load
  • the third terminal f of is connected to the input terminal or output terminal of the phase
  • the duplex module includes: a single duplexer and two circulators, one end of the two circulators is respectively connected to the input end and the output end of the duplexer.
  • FIG. 11 is a schematic structural diagram of a fourth type of duplex module provided by an embodiment of the present invention.
  • the duplex module may be a combination of a duplexer and two circulators, that is, the duplex module includes The duplexer, the first circulator and the second circulator, the first end a of the duplexer can be connected to the first port or one of the N output ports of the one-to-N power splitter/combiner or to the M-th One port, the second end b of the duplexer is connected to the first end d of the first circulator, the third end c of the duplexer is connected to the first end d of the second circulator, and the second end of the first circulator is connected Terminal e is connected to the input or output of the phase shifting module and the one-to-N power splitter/combiner, the third terminal f of the first circulator and the second terminal e of the second circulator are both connected to the load, and the second loop The third terminal f of the converter is connected
  • the duplex module includes: a single circulator and two isolators, and the two isolators are respectively connected to different ends of the circulator.
  • FIG. 12 is a schematic structural diagram of a fifth type of duplex module provided by an embodiment of the present invention.
  • the duplex module may be a combination of a circulator and two isolators, that is, the duplex module includes a ring
  • the first end d of the circulator can be connected to the first port or one of the N output ports of the one-to-N power splitter/combiner or to the M first ports,
  • the second end e of the circulator is connected to the first end g1 of the first isolator, the third end f of the circulator is connected to the second end g2 of the second isolator, and the second end g2 of the first isolator is connected to the phase shifter.
  • the input end or output end of the module, the one-point N power splitter/combiner is connected, and the first terminal g1 of the second isolator is connected to the input or output end of the phase shift module and the one-point N power splitter/combiner.
  • the duplex module includes: a single duplexer and two isolators, and the two isolators are respectively connected to different ends of the duplexer.
  • FIG. 13 is a schematic structural diagram of a sixth type of duplex module provided by an embodiment of the present invention.
  • the duplex module may be a combination of a duplexer and two isolators, that is, the duplex module includes The duplexer, the first isolator and the second isolator, the first end a of the circulator can be connected to the first port or one of the N output ports of the one-to-N power splitter/combiner or to the M first Port, the second end b of the duplexer is connected to the first end g1 of the first isolator, the third end c of the duplexer is connected to the second end g2 of the second isolator, and the second end of the first isolator g2 is connected to the input or output end of the phase shifting module and the one-point N power splitter/combiner, and the first terminal g1 of the second isolator is connected to the input terminal or the phase shifting module and the one-point N power splitter/combiner, and
  • the radio frequency matrix of the duplex system provided in the embodiment of this specification can ensure that the wireless environment where the uplink channel and the downlink channel propagate are subject to low frequency selective fading and ensure the accuracy of the test result.
  • the first phase shifting module and the second phase shifting module are one of the following: a phase shifting component, a phase shifting component and an attenuation component, and a phase shifting attenuation component.
  • the first phase shifting module and the second phase shifting module may be phase shifting components that can adjust the original beam angle, or they can be phase shifting components, attenuation components, and phase shifting attenuation components that can adjust the original beam angle and gain.
  • the phase-shifting attenuation component is a component in which the phase-shifting component and the attenuation component are integrated into one component.
  • the first phase shifting module and the second phase shifting module can adjust the phase value and gain of the original signal, and can improve the stability of the adaptive internal connection structure of the duplex radio frequency matrix.
  • the method further includes: N first attenuation components, one end of each first attenuation component is connected to the first one-to-one power splitter/combiner in a one-to-one correspondence, and the other end of the first attenuation component is used to connect the Target terminal
  • it further includes: 2 ⁇ N second attenuation components, one end of the second attenuation component is connected to the second one-to-one M power splitter/combiner in a one-to-one correspondence, and the other end of the second attenuation component Used to connect to the target terminal.
  • the number of second attenuation components can be N or 2 ⁇ N, and the specific setting position can be set according to actual needs, and can be set in the base station, the first one-to-N power splitter/combiner,
  • the first duplex module, the first phase shift module, the second duplex module, the first one-division M power splitter/combiner and any position of the target terminal can also be set in the base station, the third duplex module, and the second duplex module. Any position of the one-point N power splitter/combiner, the second phase shift module, the second one-point M power splitter/combiner, the fourth duplex module and the target terminal.
  • the first phase shifting module and the second phase shifting module can adjust the phase value and gain of the original beam, and can improve the stability of the adaptive internal connection structure of the duplex radio frequency matrix.
  • a test system includes a control device, the M ⁇ N radio frequency matrix in Embodiment 1, a power supply system, and a chassis frame.
  • the control device is connected to the M ⁇ N radio frequency matrix, and the control device is used to obtain the target beam angle, and obtain each of the M ⁇ N on-road channels and the M ⁇ N downlink channels according to the target beam angle and a preset model. Setting the phase value of each channel, and adjusting the phase shifting and attenuation module or the phase value of the phase shifting module of the corresponding channel according to the phase setting value of each channel.
  • the M ⁇ N radio frequency matrix includes an M ⁇ N radio frequency matrix, and the M ⁇ N radio frequency matrix includes M first ports and N second ports.
  • the M first ports are connected to the base station, and the N second ports are connected to the terminal.
  • the base station sends out M original signals.
  • the M ⁇ N radio frequency matrix receives the M original signals sent by the base station and converts the M original signals into N received signals, and Sent to the terminal via N second ports.
  • the M ⁇ N radio frequency matrix also includes a duplex module, a phase shift module, and a splitter.
  • the splitter includes a one-point N power splitter/combiner and a one-point M power splitter/combiner.
  • the one-point N power splitter/combiner is one-point N radio frequency, one-point N power splitter/combiner.
  • the one-point M power splitter/combiner is a 1/M radio frequency one-point M power splitter/combiner.
  • Each first port is equipped with an N radio frequency, one N power divider/combiner, and the main port of the one N radio frequency, one N power divider/combiner receives an original signal, and divides this original signal.
  • M first ports are equipped with M one-point N radio frequency one-point N power splitter/combiner, each one-point N radio frequency one point N power splitter/combiner connects each first port
  • the original signal is divided into N channels; each second port is equipped with a 1/M radio frequency, one division, M power division/combiner, and the main port of the 1/M radio frequency, one division, M power division/combiner, M
  • the original signals are combined into one received signal.
  • the duplex module divides the M ⁇ N radio frequency matrix into M ⁇ N uplink channels and M ⁇ N downlink channels.
  • the M ⁇ N radio frequency matrix looks like an M ⁇ N radio frequency matrix to the outside, but it is actually composed of two M ⁇ N channels + duplex modules, including M ⁇ N ⁇ 2 channels, one of which is an M ⁇ N uplink channel , One channel is M ⁇ N downlink channel.
  • the original M downlink signals sent by the base station are converted into N downlink reception signals through M ⁇ N downlink channels and sent to the terminal; the original N uplink signals sent by the terminal are converted into M uplink reception signals by M ⁇ N uplink channels and sent to the terminal.
  • Base station receives N downlink reception signals through M ⁇ N downlink channels and sent to the terminal; the original N uplink signals sent by the terminal are converted into M uplink reception signals by M ⁇ N uplink channels and sent to the terminal. Base station.
  • each upstream channel and each downstream channel is equipped with a phase shift module.
  • the duplex module is located between the one-point N power splitter/combiner and the one-point M power splitter/combiner, that is, each one-point N power splitter/combiner and phase shifter
  • each split port of the one-point N radio frequency one-point N power splitter/combiner is connected to the main port of a duplexer, and each split port of the duplexer is connected to a phase shifting module.
  • Each split port of the 1/M radio frequency one split M power splitter/combiner is connected to a duplexer, and each split port of the duplexer is connected to the above-mentioned phase shifting module.
  • the M ⁇ N radio frequency matrix in the present invention includes M ⁇ N ⁇ 2 phase shifting modules.
  • M is one of 2, 4, 8, 16, 32, 64, 128, 256
  • N is 2, 4, 8, 16, 32, 64, 128, 256.
  • the control device is connected to the M ⁇ N radio frequency matrix.
  • the control device is used to obtain the target beam angle, and obtain the phase setting value of each channel in the M ⁇ N on-road channel and M ⁇ N downlink channel according to the target beam angle and the preset model , And adjust the phase value of the phase shift module of the corresponding channel according to the phase setting of each channel.
  • the preset model is:
  • PS (j-1) ⁇ 2 ⁇ Di/ ⁇ SIN( ⁇ )+(i-1) ⁇ 2 ⁇ Dj/ ⁇ SIN( ⁇ )
  • the vibration source of the base station antennas connected to the M first ports is an i ⁇ j area array
  • Di is the distance between adjacent horizontal vibration sources
  • Dj is the distance between adjacent vertical vibration sources
  • is the horizontal angle of the beam
  • is the vertical angle of the beam
  • is the wavelength
  • a schematic diagram of the base station antenna vibration source arrangement the vibration source of the base station antenna connected to the M first ports is an i ⁇ j area array, where i ⁇ j is equal to M.
  • the power supply system is used to supply power to the control device and the M ⁇ N radio frequency matrix.
  • the above control device, the M ⁇ N radio frequency matrix and the power supply system are all installed in the chassis frame to form a frequency division duplex system performance test system.
  • test methods include the following.
  • Delivered to the terminal or used to deliver the uplink (UL) original signal to the terminal device.
  • the transmission direction of the information flow is that the M downlink original signals sent by the base station equipment are converted into N downlink received signals through M ⁇ N downlink channels and sent to the terminal; the N uplink original signals sent by the terminal are passed through M ⁇ N The uplink channel is converted to M uplink and the received signal is sent to the base station.
  • the user inputs the target beam angle in the control device, and obtains the phase setting value of each of the M ⁇ N uplink channels and the M ⁇ N downlink channels according to the target beam angle and the preset model;
  • the phase setting of the channel adjusts the phase value of the phase shift module of the corresponding channel.
  • test data includes the throughput rate, signal-to-noise ratio, bit error rate, MCS value and other parameters and parameter changes.
  • the test data is compared with the expected data, and the performance of the base station or terminal is analyzed.
  • the test system provided by the present invention can simulate the transmission characteristics of the FDD standard under a limited test environment, and accurately test the relevant performance of the base station or the terminal under the FDD standard.
  • the user can input the beam angle to calculate the phase value of each channel in the reverse direction. While adjusting the angle, the relevant test data reported by the terminal can be obtained, and the user can analyze whether the test data meets expectations.
  • the duplex module is used to separate the uplink channel and the downlink channel, and it is still an overall M ⁇ N radio frequency matrix externally. It is actually composed of two M ⁇ N channels and duplex modules, the uplink channel and the downlink channel. The channels will not interfere with each other, and the test accuracy is high.
  • the M ⁇ N radio frequency matrix includes M ⁇ N ⁇ 2 phase shift modules and N attenuation modules.
  • control device is also used to obtain the target gain, and adjust the attenuation value of the corresponding attenuation module in real time according to the target gain.
  • the phase shifting module of the second embodiment is replaced with a phase shifting and attenuation module.
  • the M ⁇ N radio frequency matrix includes M ⁇ N ⁇ 2 phase shifting and attenuation modules,
  • the phase shift and attenuation module sets the phase shift and attenuation functions, and there is no need to set the attenuation module at this time.
  • control device is also used to obtain the target gain, and adjust the attenuation value of the corresponding channel in real time according to the target gain.
  • the two ports are connected to each T/R port or R port of the terminal device, and are used to transmit downlink (DL) received signals to the terminal, or to transmit uplink (UL) original signals to the terminal device.
  • the transmission direction of the information flow is that the M downlink original signals sent by the base station equipment are converted into N downlink received signals through M ⁇ N downlink channels and sent to the terminal; the N uplink original signals sent by the terminal are passed through M ⁇ N The uplink channel is converted to M uplink and the received signal is sent to the base station.
  • the user inputs the target beam angle in the control device, and obtains the phase setting value of each of the M ⁇ N uplink channels and the M ⁇ N downlink channels according to the target beam angle and the preset model;
  • the phase setting of the channel adjusts the phase value of the phase shift module of the corresponding channel.
  • test data includes the throughput rate, signal-to-noise ratio, bit error rate, MCS value and other parameters and parameter changes, and the test data Compare with expected data and analyze base station or terminal performance.
  • the test systems provided in the third and fourth embodiments can simulate the transmission characteristics of the FDD standard under a limited test environment, and accurately test the relevant performance of the base station or terminal under the FDD standard.
  • the test system provided by the present invention can calculate the phase value of each channel in reverse by inputting the beam angle by the user, and adjust the attenuation value of the channel according to the real-time gain to achieve the setting of the target gain. While adjusting the angle and gain, the relevant test data reported by the terminal is obtained, and whether the test data meets expectations is analyzed, and the user operation is simple.
  • the duplex module is used to separate the uplink channel and the downlink channel, and the external is still a whole M ⁇ N radio frequency matrix, which is actually composed of two M ⁇ N channels and duplex modules, the uplink channel and the downlink channel.
  • the channels will not interfere with each other, and the test accuracy is high.
  • this embodiment provides a test system.
  • the position of the duplex module is changed, and the duplex module is set before the one-point N power splitter/combiner and After the one-to-M power splitter/combiner, the duplex module is specifically set between the splitter and the base station and between the splitter and the terminal.
  • a test system includes a control device, an M ⁇ N radio frequency matrix, a power supply system, and a chassis frame.
  • the M ⁇ N radio frequency matrix includes an M ⁇ N radio frequency matrix, and the M ⁇ N radio frequency matrix includes M first ports and N second ports.
  • the M first ports are connected to the base station, and the N second ports are connected to the terminal.
  • the M ⁇ N radio frequency matrix is used to receive M original signals sent by the base station and convert the M original signals into N received signals, and pass the N second The port is sent to the terminal.
  • the M ⁇ N radio frequency matrix also includes a duplex module, a phase shift module and a splitter.
  • the splitter includes a one-point N power splitter/combiner and a one-point M power splitter/combiner.
  • the duplex module divides the M ⁇ N radio frequency matrix into M ⁇ N uplink channels and M ⁇ N downlink channels.
  • the M ⁇ N radio frequency matrix is composed of two M ⁇ N channels and duplex modules, which includes a total of M ⁇ N ⁇ 2 channels, one of which is M ⁇ N uplink channel, and the other is M ⁇ N downlink channel.
  • a splitter is connected to each first port through a duplex module.
  • each duplex module is connected to a one-point N power splitter/combiner and one-point M power splitter/combiner.
  • Each second port is connected to a splitter through a duplex module, and each duplex module is connected to a split N power splitter/combiner and a split M power splitter/combiner.
  • the original M downlink signals sent by the base station are converted into N downlink reception signals through M ⁇ N downlink channels and sent to the terminal; the original N uplink signals sent by the terminal are converted into M uplink reception signals by M ⁇ N uplink channels and sent to the terminal.
  • Base station receives N downlink reception signals through M ⁇ N downlink channels and sent to the terminal; the original N uplink signals sent by the terminal are converted into M uplink reception signals by M ⁇ N uplink channels and sent to the terminal. Base station.
  • each upstream channel and each downstream channel are provided with a phase shift and attenuation module.
  • the phase shift and attenuation module can be replaced with a phase shift module.
  • the duplex module is arranged between the splitter and the base station and between the splitter and the terminal. That is, the duplex module is set before the splitter and after the splitter.
  • the splitter includes a one-point N power splitter/combiner and a one-point M power splitter/combiner.
  • the flow sequence of the downlink signal in each first port is: base station, duplex module, one-point N power splitter/combiner, phase shift and attenuation module, one-point M power splitter/combiner, duplex Modules, terminals.
  • the flow sequence of the uplink signal in each first port is: terminal, duplex module, one-point N power splitter/combiner, phase shift and attenuation module, one-point M power splitter/combiner, duplex module, base station .
  • the M ⁇ N radio frequency matrix includes M ⁇ N ⁇ 2 phase shift and attenuation modules.
  • M is 2, 4, 8, 16, 32, 64, 128, 256
  • N is 2, 4, 8, 16, 32, 64, 128, 256.
  • the control device is connected to the M ⁇ N radio frequency matrix.
  • the control device is used to obtain the target beam angle, and obtain the phase setting value of each channel in the M ⁇ N on-road channel and M ⁇ N downlink channel according to the target beam angle and the preset model , And adjust the phase value of the phase shift module of the corresponding channel according to the phase setting of each channel.
  • the preset model is:
  • PS (j-1) ⁇ 2 ⁇ Di/ ⁇ SIN( ⁇ )+(i-1) ⁇ 2 ⁇ Dj/ ⁇ SIN( ⁇ )
  • the vibration source of the base station antennas connected to the M first ports is an i ⁇ j area array
  • Di is the distance between adjacent horizontal vibration sources
  • Dj is the distance between adjacent vertical vibration sources
  • is the horizontal angle of the beam
  • is the vertical angle of the beam
  • is the wavelength
  • a schematic diagram of the base station antenna vibration source arrangement the vibration source of the base station antenna connected to the M first ports is an i ⁇ j area array, where i ⁇ j is equal to M.
  • the power supply system is used to supply power to the control device and the M ⁇ N radio frequency matrix.
  • the above control device, the M ⁇ N radio frequency matrix, and the power supply system are all installed in the chassis frame to form a test system.
  • test methods include the following.
  • the two ports are connected to each T/R port or R port of the terminal device, and are used to transmit downlink (DL) received signals to the terminal, or to transmit uplink (UL) original signals to the terminal device.
  • the transmission direction of the information flow is that the M downlink original signals sent by the base station equipment are converted into N downlink received signals through M ⁇ N downlink channels and sent to the terminal; the N uplink original signals sent by the terminal are passed through M ⁇ N The uplink channel is converted to M uplink and the received signal is sent to the base station.
  • the user inputs the target beam angle in the control device, and obtains the phase setting value of each of the M ⁇ N uplink channels and the M ⁇ N downlink channels according to the target beam angle and the preset model;
  • the phase setting value of the channel adjusts the phase value of the phase shift and attenuation module of the corresponding channel.
  • test data including throughput rate, signal-to-noise ratio, bit error rate, MCS value and other parameters and parameter changes, and compare the test data with expected data.
  • the test system provided by the present invention can simulate the transmission characteristics of the FDD standard under a limited test environment, and accurately test the relevant performance of the base station or the terminal under the FDD standard.
  • the user can input the beam angle to calculate the phase value of each channel in the reverse direction. While adjusting the angle and gain, obtain the relevant test data reported by the terminal, and analyze whether the test data meets expectations, User operation is simple.
  • the duplex module is used to separate the uplink channel and the downlink channel, and it is still an overall M ⁇ N radio frequency matrix externally. It is actually composed of two M ⁇ N channels and duplex modules, the uplink channel and the downlink channel. The channels will not interfere with each other, and the test accuracy is high.
  • the embodiment of the present invention also provides a computer readable medium having non-volatile program code executable by the processor, and the program code causes the processor to execute the method provided in the foregoing method embodiment.
  • each block in the flowchart or block diagram may represent a module, program segment, or part of the code, and the module, program segment, or part of the code contains one or more functions for realizing the specified logic function.
  • Executable instructions may also occur in a different order from the order marked in the drawings.
  • each block in the block diagram and/or flowchart, and the combination of the blocks in the block diagram and/or flowchart can be implemented by a dedicated hardware-based system that performs the specified functions or actions Or it can be realized by a combination of dedicated hardware and computer instructions.
  • the above functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer readable storage medium.
  • the technical solution of the present invention essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present invention.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disks or optical disks and other media that can store program codes. .

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Abstract

本发明公开了一种射频矩阵及测试***,所述射频矩阵为M×N射频矩阵;包括M个第一端口和N个第二端口,每个第一端口均连接一个一分N功分/合路器的主口,每个所述一分N功分/合路器的分口与每个一分M功分/合路器的分口一一对应连接;所述M×N射频矩阵还包括双工模块,所述双工模块将M×N射频矩阵分为M×N路上行信道和M×N路下行信道,每路上行信道和每路下行信道均设有移相模块,解决了目前FDD模拟测试设备结构复杂、成本高、效率低下的问题。

Description

一种射频矩阵及测试*** 技术领域
本发明涉及通信测试技术领域,特别涉及一种射频矩阵及测试***。
背景技术
目前随着多输入多输出***(MIMO,Multiple-Input Multiple-Output)技术的不断发展,频分双工模式(FDD,Frequency-division Duplex)技术也不断成熟、终端越来越丰富,在全球的越来越广泛。但目前针对FDD的测试解决方案还不够成熟,仍然使用传统FDD(Frequency-division Duplex频分双工)的测试解决方法,但由于FDD信道的复杂性,传统的测试方案较为复杂,且传统的FDD的测试方案没有一套理想的实验室测试***及环境来模拟这类信道,使得传统FDD的测试方案较为复杂。目前针对FDD的测试解决方案还不够成熟,目前的测试方案均是针对研发阶段测试,结构复杂、操作不便、环境搭建缓慢,性价比较低。尤其针对超大规模天线阵列基站多通道波束合成性能验证,业界没有便捷的、高效的***解决方案。
因此,针对目前FDD的发展及测试需求,亟需提出一种射频矩阵及测试***的技术方案,能够简化操作流程、提高测试效率,并且能够服务于全球蜂窝通信,特别业界内的基站设备商、天线设备商、运营商、终端商、科研院所等机构。
发明内容
本发明提供本发明的目的在于提供一种射频矩阵及测试***,解决传统的测试方案复杂、无法在实验室模拟信道进行测试的技术问题。
为了解决上述技术问题,本发明提供了:
一种射频矩阵,包括M个第一端口和N个第二端口,每个第一端口均连接一个一分N功分/合路器的主口,每个第二端口均连接一个一分M功分/合路器的主口,每个一分N功分/合路器的一个分口和每个一分M功分/合路器的一个分口之间连接有移相模块以形成一个射频信道;
所述射频矩阵还包括双工模块,每个一分N功分/合路器的一个分口和每个一分M功分/合路器的一个分口之间还连接有所述双工模块,或者,每个第一端口和一个一分N功分/合路器的主口之间连接有所述双工模块,每个第二端口和一个一分M功分/合路器的主口之间连接有所述双工模块;
所述双工模块将射频矩阵中的射频信道分为M×N路上行信道和M×N路下行信道,每路上行信道和每路下行信道均连接有移相模块。
进一步地、当双工模块连于所述一分N功分/合路器的分口与所述一分M功分/合路器的分口之间时,所述双工模块的个数为M×N×2个,所述一分N功分/合路器的个数为M个,所述一分M功分/合路器的个数为N个,每个一分N功分/合路器的一个分口和每个一分M功分/合路器的一个分口之间连有两个双工模块,其中,一个双工模块的主口连接一分N功分/合路器的分口,另一个双工模块的主口连接一分M功分/合路器的分口,两个双工模块的分口之间连有两个移相模块以形成上行信道和下行信道。
进一步地、当双工模块连于所述一分N功分/合路器的主口与第一端口之间和所述一分M功分/合路器的主口与第二端口之间时,所述双工模块的个数为M+N个,所述一分N功分/合路器的个数为2×M个,所述一分M功分/合路器的个数为2×N个,每个第一端口均连接一个双工模块的主口且该双工模块的分口连接两个一分N功分/合路器的主口,每个第二端口均连接一个双工模块的主口且该双工模块的分口连接两个一分M功分/合路器的主口。
进一步地、所述双工模块为以下一种:一个双工器、一个环行器。
进一步地、所述双工模块为以下一种:多个环行器的组合、双工器和环行器的组合、双工器和隔离器的组合、环行器和隔离器的组合。
进一步地、所述双工模块包括:单个双工器和两个环行器,两个环行器的一端分别与双工器的输入端和输出端连接。
进一步地、所述双工模块包括:单个环行器和两个隔离器,两个隔离器分别与环行器的不同端连接。
进一步地、所述双工模块包括:单个双工器和两个隔离器,两个隔离器分别与双工器的不同端连接。
进一步地、所述移相模块是以下中的任一种:移相组件、移相衰减组件、移相组件和衰减组件的组合。
另一方面、本发明提供一种测试***,包括控制装置和上述任一项所述的射频矩阵;
所述控制装置与所述射频矩阵连接,所述控制装置用于获取目标波束角度,根据目标波束角度和预设模型,获取M×N路上行信道和M×N路下行信道中每个信道的相位设值,并根据各所述每个信道的相位设值调整对应信道的相位值。
本发明提供的一种双工制式的射频矩阵及测试***,具有如下有益效果:
(1)本发明提供的测试***能够在有限的试验环境下模拟FDD制式的传输特性,精确测试FDD制式下基站或终端的相关性能。
(2)利用本发明提供的测试***能够通过用户输入的目标波束角度,反向计算出每个信道的相位值,在调节角度的同时,得到终端上报的相关测试数据,分析测试数据是否符合预期,用户操作简单。
(3)本发明提供的测试***中利用双工模块将上行信道和下行信道分离,对外仍是一个整体M×N的射频矩阵,实际是有两路M×N的信道,上行信道与下行信道不会相互干扰,测试精度高。
综上所述,本发明提供的一种射频矩阵及测试***通过一分N功分/合路器、双工模块、移相模块及一分M功分/合路器等设备,搭建了FDD模拟测试设备,解决了目前FDD模拟测试设备结构复杂、成本高、效率低下的问题,提高了测试效率的同时保证了测试结果的准确性。
附图说明
为了更清楚地说明本发明的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单的介绍。显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其它附图。
图1为本发明实施例提供的第一种双工制式的射频矩阵的结构示意图;
图2为本发明实施例提供的第二种双工制式的射频矩阵的结构示意图;
图3为本发明实施例提供的第三种双工制式的射频矩阵的结构示意图;
图4为本发明实施例提供的第四种双工制式的射频矩阵的结构示意图;
图5为本发明实施例提供的第五种双工制式的射频矩阵的结构示意图;
图6为本发明实施例提供的第六种双工制式的射频矩阵的结构示意图;
图7为本发明实施例提供的第七种双工制式的射频矩阵的结构示意图;
图8为本发明实施例提供的第一种双工模块的结构示意图;
图9为本发明实施例提供的第二种双工模块的结构示意图;
图10为本发明实施例提供的第三种双工模块的结构示意图;
图11为本发明实施例提供的第四种双工模块的结构示意图;
图12为本发明实施例提供的第五种双工模块的结构示意图;
图13为本发明实施例提供的第六种双工模块的结构示意图;
图14为本发明实施例提供的一种信息流方向的结构示意图;
图15为本发明实施例提供的一种基站天线振源排布示意图;
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明针对FDD的现阶段测试需求,开发的一种模拟频分双工(FDD)制式的传输特性的射频矩阵、性能测试***和方法,服务于全球蜂窝通信业界。
需要说明的是,本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便这里描述的本发明的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外,术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含,例如,包含了一系列步骤或单元的过程、方法、装置、产品或设备不必限于清楚地列出的那些步骤或单元,而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
实施例1
如图1-7所示,本发明提供一种射频矩阵,所述射频矩阵为M×N射频矩阵;包括M个第一端口和N个第二端口,每个第一端口均连接一个一分N功分/合路器的主口,每个第二端口均连接一个一分M功分/合路器的主口,每个一分N功分/合路器的一个分口和每个一分M功分/合路器的一个分口之间连接有移相模块以形成一个射频信道,其中,功分/合路器即可将多路信号合成一路,也可 以将一路信号分为多路信号。
一分N功分/合路器用于将一个第一端口传输的一路原始信号分为N路信号传输至每个一分M功分/合路器的一个分口,或将每个一分M功分/合路器的一个分口的N路原始信号合为一路信号传输至第一端口;一分M功分/合路器用于将一个第二端口传输的一路原始信号分为M路信号传输至每个一分N功分/合路器的一个分口,或将每个一分N功分/合路器的一个分口的M路原始信号合为一路信号传输至第二端口。
所述射频矩阵还包括双工模块,每个一分N功分/合路器的一个分口和每个一分M功分/合路器的一个分口之间还连接有所述双工模块,或者,每个第一端口和一个一分N功分/合路器的主口之间连接有所述双工模块,每个第二端口和一个一分M功分/合路器的主口之间连接有所述双工模块。
所述双工模块将射频矩阵中的射频信道分为M×N路上行信道和M×N路下行信道,每路上行信道和每路下行信道均连接有移相模块。
M×N射频矩阵用于将基站发出的M路下行原始信号通过M×N路下行信道转换为N路下行接收信号发送给终端;M×N射频矩阵还用于将终端发出的N路上行原始信号通过M×N路上行信道转换为M路上行接收信号发送给基站。
其中,双工模块具有一个主口和两个分口,其中,主口是公共口,能接收和发射信号,一个分口用于接收信号,另一个分口用于发射信号。
在上述实施例基础上,本说明书一个实施例中,当双工模块连于所述一分N功分/合路器的分口与所述一分M功分/合路器的分口之间时,所述双工模块的个数为M×N×2个,所述一分N功分/合路器的个数为M个,所述一分M功分/合路器的个数为N个,每个一分N功分/合路器的一个分口和每个一分M功分/合路器的一个分口之间连有两个双工模块,其中,一个双工模块的主口连接一分N功分/合路器的分口,另一个双工模块的主口连接一分M功分/合路器的分口,两个双工模块的分口之间连有两个移相模块以形成上行信道和下行信道。
具体的,所述射频矩阵包括:依次连接的M个一分N功分/合路器、N×M个第一双工模块、N×M×2个移相模块、M×N个第二双工模块和N个一分M功分/合路器;
示例地、如图1-3所示,每个一分N功分/合路器的主口通过第一端口均可以与基站的振源连接,其连接方式可以是传导通信的方式连接,每个一分N功 分/合路器的N个分口可以与N个第一双工模块的主口一一对应连接,本说明书实施例以双工器为例,每个第一双工模块的分口可以与一个第一移相模块的一端一一对应连接,第一移相模块的另一端可以与第二双工模块的分口连接,第二双工模块的主口按照所述一分N功分/合路器的通信地址与对应的一分M功分/合路器的分口连接,一分M功分/合路器的主口在将所有对应的第二双工模块传输的信号进行合路并传输至目标终端。图14为本发明实施例提供的一种信息流方向的结构示意图,如图14所示,基站的振源发送下行的原始信号经过一分N功分/合路器拆分成N条相同的信号,每条信号经过第一双工模块、移相模块和第二双工模块传输至对应的一分M功分/合路器,经过一分M功分/合路器的整合再传输至目标终端,以构成M×N路下行信道。目标终端发送上行的原始信号时,经过一分M功分/合路器拆分成M条相同的信号,每条信号经过第二双工模块、移相模块和第一双工模块传输至对应的一分N功分/合路器,经过一分N功分/合路器的整合在传输至基站,以构成M×N路上行信道。
在上述实施例基础上,本说明书另一个实施例中,当双工模块连于所述一分N功分/合路器的主口与第一端口之间和所述一分M功分/合路器的主口与第二端口之间时,所述双工模块的个数为M+N个,所述一分N功分/合路器的个数为2×M个,所述一分M功分/合路器的个数为2×N个,每个第一端口均连接一个双工模块的主口且该双工模块的分口连接两个一分N功分/合路器的主口,每个第二端口均连接一个双工模块的主口且该双工模块的分口连接两个一分M功分/合路器的主口。
示例地、如图5-7所示,所述射频矩阵包括:依次连接的M个第三双工模块、2×M个一分N功分/合路器、N×M×2个移相模块、2×N个一分M功分/合路器和N个第四双工模块;
每个第三双工模块的主口通过第一端口均可以与基站的振源连接,其连接方式可以是传导通信的方式连接,每个第三双工模块的分口可以与一个一分N功分/合路器的主口一一对应连接,一分N功分/合路器的分口一一对应连接第二移相模块的一端,第二移相模块的另一端按照一分N功分/合路器的通信地址对应连接一分M功分/合路器的分口,一分M功分/合路器的主口按照第三双工模块的通信地址连接第四双工模块的分口,第四双工模块的主口第二端口连接目标终端。基站的振源发送下行的原始信号经过第三双工模块传输至一分N功 分/合路器,经过一分N功分/合路器拆分成N条相同的信号,每条信号经过移相模块后经过一分M功分/合路器的汇聚传输至对应的第四双工模块,经过第四双工模块后在传输至目标终端,以构成M×N路下行信道。目标终端发送上行的原始信号经过第四双工模块传输至一分N功分/合路器,经过一分N功分/合路器拆分成M条相同的信号,每条信号经过移相模块后经过一分M功分/合路器的汇聚传输至对应的第四双工模块,经过第四双工模块后在传输至基站,以构成M×N路上行信道。
可以理解的是,一分N功分/合路器和一分M功分/合路器均可以将一路信号进行拆分成两路或多路输出相等或不相等的信号,也可以将两路或多路输出相等或不相等的信号汇聚成一路信号。
需要说明的是,M个一分N功分/合路器、N×M个第一双工模块、N×M×2个移相模块、M×N个第二双工模块和N个一分M功分/合路器之间,或M个第三双工模块、2×M个一分N功分/合路器、N×M×2个移相模块、2×N个一分M功分/合路器和N个第四双工模块之间均采用射频电缆的方式进行连接。
本发明提供的双工性能测试***能够在有限的试验环境下模拟FDD制式的传输特性,精确测试FDD制式下基站或终端的相关性能。利用本发明提供的双工性能测试***能够通过用户输入的目标波束角度,反向计算出每个信道的相位值,在调节角度的同时,得到终端上报的相关测试数据,分析测试数据是否符合预期,用户操作简单。本发明提供的双工性能测试***中利用双工模块将上行信道和下行信道分离,对外构成一个M×N射频矩阵,实际是有两路M×N的信道,上行信道与下行信道不会相互干扰,测试精度高。
在上述实施例基础上,本说明书一个实施例中,所述双工模块为以下一种:一个双工器、一个环行器。
具体的,图8为本发明实施例提供的第一种双工模块的结构示意图,如图8所示,所述双工模块可以是一个双工器,双工器有3个端,定义上行信道是端a和端b之间的通道,定义下行是端c和端a之间的通道。上行信道和下行信道允许通过的信号不同,达到双工的目的。
所述双工模块可以是一个环行器,图9为本发明实施例提供的第二种双工模块的结构示意图,如图9所示,环行器有3个端,定义下行信道是端d至端e的通道,定义上行信道是端f至端d的通道,定义中间信道是端e至端f的通 道。通道上行信道、中间信道和下行信道均为单向通道,达到双工的目的。
在上述实施例基础上,本说明书一个实施例中,所述双工模块为以下一种:多个环行器的组合、双工器和环行器的组合、双工器和隔离器的组合、环行器和隔离器的组合。
可以理解的是,双工模块可以是多个环行器组合、双工器和环行器的组合、双工器和隔离器的组合、环行器和隔离器的组合。通过组合,可以提高信道间的隔离度。
示例地,如图10所示,图10为本发明实施例提供的第三种双工模块的结构示意图;双工模块可以为三个环形器的组合,即双工模块包括第一环形器、第二环形器和第三环形器,第一环形器的第一端d可以连接第一端口或一分N功分/合路器的N个输出端口中的一个或连接M个第一端口,第一环形器的第二端e与第二环形器的第一端d连接,第一环形器的第三端f与第三环形器的第一端d连接,第二环形器的第二端e与移相模块、一分N功分/合路器的输入端或输出端连接,第二环形器的第三端f与第三环形器的第二端e均连接负载,第三环形器的第三端f与移相模块、一分N功分/合路器的输入端或输出端连接。
在上述实施例基础上,本说明书一个实施例中,所述双工模块包括:单个双工器和两个环行器,两个环行器的一端分别与双工器的输入端和输出端连接。
具体的,如图11所示,图11为本发明实施例提供的第四种双工模块的结构示意图,双工模块可以为一个双工器和两个环形器的组合,即双工模块包括双工器、第一环形器和第二环形器,双工器的第一端a可以连接第一端口或一分N功分/合路器的N个输出端口中的一个或连接M个第一端口,双工器的第二端b与第一环形器的第一端d连接,双工器的第三端c与第二环形器的第一端d连接,第一环形器的第二端e与移相模块、一分N功分/合路器的输入端或输出端连接,第一环形器的第三端f与第二环形器的第二端e均连接负载,第二环形器的第三端f与移相模块、一分N功分/合路器的输入端或输出端连接。
在上述实施例基础上,本说明书一个实施例中,所述双工模块包括:单个环行器和两个隔离器,两个隔离器分别与环行器的不同端连接。
具体的,如图12所示,图12为本发明实施例提供的第五种双工模块的结构示意图,双工模块可以为一个环形器和两个隔离器的组合,即双工模块包括 环形器、第一隔离器和第二隔离器,环形器的第一端d可以连接第一端口或一分N功分/合路器的N个输出端口中的一个或连接M个第一端口,环形器的第二端e与第一隔离器的第一端g1连接,环形器的第三端f与第二隔离器的第二端g2连接,第一隔离器的第二端g2与移相模块、一分N功分/合路器的输入端或输出端连接,第二隔离器的第一端g1与移相模块、一分N功分/合路器的输入端或输出端连接。
在上述实施例基础上,本说明书一个实施例中,所述双工模块包括:单个双工器和两个隔离器,两个隔离器分别与双工器的不同端连接。
具体的,如图13所示,图13为本发明实施例提供的第六种双工模块的结构示意图,双工模块可以为一个双工器和两个隔离器的组合,即双工模块包括双工器、第一隔离器和第二隔离器,环形器的第一端a可以连接第一端口或一分N功分/合路器的N个输出端口中的一个或连接M个第一端口,双工器的第二端b与第一隔离器的第一端g1连接,双工器的第三端c与第二隔离器的第二端g2连接,第一隔离器的第二端g2与移相模块、一分N功分/合路器的输入端或输出端连接,第二隔离器的第一端g1与移相模块、一分N功分/合路器的输入端或输出端连接。
本说明书实施例提供的双工制式的射频矩阵能够保证上行信道和下行信道传播的无线环境受频率选择性衰落较低,保证测试结果的准确性。
在上述实施例基础上,本说明书一个实施例中,所述第一移相模块和所述第二移相模块为以下一种:移相组件、移相组件及衰减组件、移相衰减组件。
具体的,第一移相模块和第二移相模块可以是能够调节原始波束角度的移相组件,也可以是能够调节原始波束角度和增益的移相组件及衰减组件、移相衰减组件,可以理解的是移相衰减组件为移相组件及衰减组件集成在一个组件中的组件。
本说明书实施例中第一移相模块和第二移相模块既可以调整原始信号的相位值和增益,能够提高双工制式的射频矩阵的适应性内部连接结构的稳定性。
在上述实施例基础上,本说明书一个实施例中,如图2和图6所示,当所述第一移相模块和所述第二移相模块为所述移相组件时,还包括:N个第一衰减组件,每个所述第一衰减组件的一端与所述第一一分M功分/合路器一一对应连接,所述第一衰减组件的另一端用于连接所述目标终端;
或,还包括:2×N个第二衰减组件,所述第二衰减组件的一端与所述第二一分M功分/合路器一一对应连接,所述第二衰减组件的另一端用于连接所述目标终端。
可以理解的是,第二衰减组件的个数可以是N个或2×N个,具体的设置位置可以根据实际需要进行设置,可以设置在基站、第一一分N功分/合路器、第一双工模块、第一移相模块、第二双工模块、第一一分M功分/合路器和目标终端的任意位置,也可以设置在基站、第三双工模块、第二一分N功分/合路器、第二移相模块、第二一分M功分/合路器、第四双工模块和目标终端的任意位置。
本说明书实施例中第一移相模块和第二移相模块既可以调整原始波束的相位值和增益,能够提高双工制式的射频矩阵的适应性内部连接结构的稳定性。
实施例2
一种测试***包括控制装置、实施例1中的M×N射频矩阵、供电***和机箱框架。
所述控制装置与所述M×N射频矩阵连接,所述控制装置用于获取目标波束角度,根据目标波束角度和预设模型,获取M×N路上行信道和M×N路下行信道中每个信道的相位设值,并根据各所述每个信道的相位设值调整对应信道的移相及衰减模块或移相模块的相位值。
M×N射频矩阵包括M×N射频矩阵,M×N射频矩阵包括M个第一端口和N个第二端口。M个第一端口连接基站,N个第二端口连接终端,基站发出M路原始信号,M×N射频矩阵接收基站发出的M路原始信号并将M路原始信号转换为N路接收信号,并经N个第二端口发送给终端。
M×N射频矩阵还包括双工模块、移相模块、分路器。分路器包括一分N功分/合路器和一分M功分/合路器,本实施例中一分N功分/合路器为一分N射频一分N功分/合路器,一分M功分/合路器为1/M射频一分M功分/合路器。
每个第一端口处都设有一分N射频一分N功分/合路器,一分N射频一分N功分/合路器的主口接收一路原始信号,并将这一路原始信号分为N路信号,M个第一端口处设有M个一分N射频一分N功分/合路器,每个一分N射频一分N功分/合路器将每个第一端口的原始信号分为N路信号;每个第二端口处都设有1/M射频一分M功分/合路器,1/M射频一分M功分/合路器的主口将M路原 始信号合为一路接收信号。
双工模块将M×N射频矩阵分为M×N路上行信道和M×N路下行信道。M×N射频矩阵对外看似是M×N的射频矩阵,实际是由两个M×N路信道+双工模块组成,包含了M×N×2路信道,其中一路为M×N上行信道,一路为M×N路下行信道。
基站发出的M路下行原始信号通过M×N路下行信道转换为N路下行接收信号发送给终端;终端发出的N路上行原始信号通过M×N路上行信道转换为M路上行接收信号发送给基站。
在实施例2中,每路上行信道和每路下行信道均设有移相模块。优选地,在本实施例中,双工模块位于一分N功分/合路器和一分M功分/合路器之间,即每个一分N功分/合路器和移相模块之间设有双工模块,且每个一分M功分/合路器和移相模块之间均设有双工模块。具体地,参见图1所示,一分N射频一分N功分/合路器的每个分口均接一双工器的主口,双工器的每个分口接移相模块,1/M射频一分M功分/合路器的每个分口均接一个双工器,双工器的每个分口接上述的移相模块。
由于每路上行信道和每路下行信道均设有移相模块,所以本发明中M×N射频矩阵包括M×N×2路移相模块。优选地,M×N射频矩阵中,M为2、4、8、16、32、64、128、256中的一种,N为2、4、8、16、32、64、128、256中的一种。
控制装置与M×N射频矩阵连接,控制装置用于获取目标波束角度,根据目标波束角度和预设模型,获取M×N路上行信道和M×N路下行信道中每个信道的相位设值,并根据各信道的相位设值调整对应信道的移相模块的相位值。
优选地,预设模型为:
PS=(j-1)×2π×Di/λ×SIN(θ)+(i-1)×2π×Dj/λ×SIN(φ)
其中,与M个第一端口对接的基站天线的振源为i×j的面阵,Di为横向相邻振源的间距,Dj为纵向相邻振源的间距,θ为波束的水平方向角度,φ为波束的垂直方向角度,λ为波长。
参见图15,基站天线振源排布示意图,与M个第一端口对接的基站天线的振源为i×j的面阵,其中i×j等于M。
此外,供电***用于向控制装置和M×N射频矩阵供电,上述控制装置、M ×N射频矩阵和供电***均安装在机箱框架内,共同构成了频分双工制式性能测试***。
本***在使用时,测试方法包括以下内容。
将M个第一端口连接基站设备的T/R端口,用于接收基站设备发出的M路下行(DL)原始信号,或用于将上行(UL)接收信号传递给基站设备;将N个第二端口连接终端设备的每个T/R端口或R端口,用于将下行(DL)接收信号
传递给终端,或用于将上行(UL)原始信号传递给终端设备。
参见图14,信息流的传递方向为基站设备发出的M路下行原始信号通过M×N路下行信道转换为N路下行接收信号发送给终端;将终端发出的N路上行原始信号通过M×N路上行信道转换为M路上行接收信号发送给基站。
其中,用户在控制装置中输入目标波束角度,根据目标波束角度和预设模型,获取M×N路上行信道和M×N路下行信道中每个信道的相位设值;根据各所述每个信道的相位设值调整对应信道的移相模块的相位值。
在测试时,输入不同的目标波束角度,调节对应通道的相位值,得到终端上报的测试数据,测试数据包括吞吐率、信噪比、误码率、MCS值等参数及参数变化,将所述测试数据与预期数据进行对比,分析基站或终端性能。
本发明提供的测试***能够在有限的试验环境下模拟FDD制式的传输特性,精确测试FDD制式下基站或终端的相关性能。利用本发明提供的测试***能够通过用户输入波束角度,反向计算出每个信道的相位值,在调节角度的同时,得到终端上报的相关测试数据,分析所述测试数据是否符合预期,用户操作简单。本发明提供的测试***中利用双工模块将上行信道和下行信道分离,对外仍是一个整体M×N的射频矩阵,实际是有两路M×N信道和双工模块组成,上行信道与下行信道不会相互干扰,测试精度高。
实施例3
参见图2,在第二实施例的基础上,在N个第二端口的位置加N个衰减模块,此时M×N射频矩阵包括M×N×2路移相模块和N路衰减模块。
此时,控制装置还用于获取目标增益,并根据目标增益实时调整对应衰减模块的衰减值。
本***在使用时,还可以根据目标增益,手动调节对应衰减模块的衰减值,直至达到目标增益。
实施例4
参考图3,在第二实施例的基础上,将第二实施例的移相模块替换为移相和衰减模块,此时M×N射频矩阵包括M×N×2路移相和衰减模块,移相和衰减模块集移相和衰减功能,此时无需设置衰减模块。
在第四实施例中,控制装置还用于获取目标增益,并根据目标增益实时调整对应信道的衰减值。
上述第三实施例和第四实施例,与第二实施例的使用过程类似。
将M个第一端口连接基站设备的T/R端口,用于接收基站设备发出的M路下行(DL)原始信号,或用于将上行(UL)接收信号传递给基站设备;将N个第二端口连接终端设备的每个T/R端口或R端口,用于将下行(DL)接收信号传递给终端,或用于将上行(UL)原始信号传递给终端设备。
参见图14,信息流的传递方向为基站设备发出的M路下行原始信号通过M×N路下行信道转换为N路下行接收信号发送给终端;将终端发出的N路上行原始信号通过M×N路上行信道转换为M路上行接收信号发送给基站。
其中,用户在控制装置中输入目标波束角度,根据目标波束角度和预设模型,获取M×N路上行信道和M×N路下行信道中每个信道的相位设值;根据各所述每个信道的相位设值调整对应信道的移相模块的相位值。
在测试时,输入不同的目标波束角度,调节对应通道的相位值,得到终端上报的测试数据,测试数据包括吞吐率、信噪比、误码率、MCS值等参数及参数变化,将测试数据与预期数据进行对比,分析基站或终端性能。
其中,还可以根据目标增益,手动调节对应信道的衰减值,直至达到目标增益。得到终端上报的测试数据,将测试数据与预期数据进行对比,分析基站或终端性能。
实施例三和实施例四提供的测试***能够在有限的试验环境下模拟FDD制式的传输特性,精确测试FDD制式下基站或终端的相关性能。利用本发明提供的测试***能够通过用户输入波束角度,反向计算出每个信道的相位值,同时再根据实时的增益调整信道的衰减值,以达到目标增益的设置。在调节角度和增益的同时,得到终端上报的相关测试数据,分析所述测试数据是否符合预期,用户操作简单。本发明提供的测试***中利用双工模块将上行信道和下行信道分离,对外仍是一个整体M×N的射频矩阵,实际是有两路M×N信道和双工模 块组成,上行信道与下行信道不会相互干扰,测试精度高。
实施例5
参见图4和图5,本实施例提供一种测试***,在第四实施例的基础上,改变了双工模块的位置,将双工模块设置在一分N功分/合路器之前和一分M功分/合路器之后,具体地将双工模块设置在分路器与基站之间以及分路器与终端之间。
具体地,一种测试***包括控制装置、M×N射频矩阵、供电***和机箱框架。
M×N射频矩阵包括M×N射频矩阵,M×N射频矩阵包括M个第一端口和N个第二端口。M个第一端口连接基站,N个第二端口连接终端,M×N射频矩阵用于接收基站发出的M路原始信号并将M路原始信号转换为N路接收信号,并经N个第二端口发送给终端。
M×N射频矩阵还包括双工模块、移相模块及分路器。分路器包括一分N功分/合路器和一分M功分/合路器。
双工模块将M×N射频矩阵分为M×N路上行信道和M×N路下行信道。M×N射频矩阵是由两路M×N信道和双工模块组成,即共包含了M×N×2路信道,其中一路为M×N上行信道,一路为M×N路下行信道。
每个第一端口处都通过双工模块连接有分路器。其中,每个双工模块即连接有一分N功分/合路器又连接有一分M功分/合路器。每个第二端口处都通过双工模块连接有分路器,其中每个双工模块即连接有一分N功分/合路器又连接有一分M功分/合路器。
基站发出的M路下行原始信号通过M×N路下行信道转换为N路下行接收信号发送给终端;终端发出的N路上行原始信号通过M×N路上行信道转换为M路上行接收信号发送给基站。
在实施例5中,每路上行信道和每路下行信道均设有移相和衰减模块,此外,移相和衰减模块可以替换为移相模块。
在本实施例中,双工模块设置在分路器与基站之间以及分路器与终端之间。即将双工模块设置在分路器之前和分路器之后,分路器包括一分N功分/合路器和一分M功分/合路器。此时,每个第一端口中的下行信号流通顺序是:基站、双工模块、一分N功分/合路器、移相和衰减模块、一分M功分/合路器、双工 模块、终端。每个第一端口中的上行信号流通顺序是:终端、双工模块、一分N功分/合路器、移相和衰减模块、一分M功分/合路器、双工模块、基站。
本发明中M×N射频矩阵包括M×N×2路移相和衰减模块。优选地,M×N射频矩阵中,M为2、4、8、16、32、64、128、256,N为2、4、8、16、32、64、128、256。
控制装置与M×N射频矩阵连接,控制装置用于获取目标波束角度,根据目标波束角度和预设模型,获取M×N路上行信道和M×N路下行信道中每个信道的相位设值,并根据各信道的相位设值调整对应信道的移相模块的相位值。
优选地,预设模型为:
PS=(j-1)×2π×Di/λ×SIN(θ)+(i-1)×2π×Dj/λ×SIN(φ)
其中,与M个第一端口对接的基站天线的振源为i×j的面阵,Di为横向相邻振源的间距,Dj为纵向相邻振源的间距,θ为波束的水平方向角度,φ为波束的垂直方向角度,λ为波长。
参见图15,基站天线振源排布示意图,与M个第一端口对接的基站天线的振源为i×j的面阵,其中i×j等于M。
此外,供电***用于向控制装置和M×N射频矩阵供电,上述控制装置、M×N射频矩阵和供电***均安装在机箱框架内,共同构成了测试***。
本***在使用时,测试方法包括以下内容。
将M个第一端口连接基站设备的T/R端口,用于接收基站设备发出的M路下行(DL)原始信号,或用于将上行(UL)接收信号传递给基站设备;将N个第二端口连接终端设备的每个T/R端口或R端口,用于将下行(DL)接收信号传递给终端,或用于将上行(UL)原始信号传递给终端设备。
参见图14,信息流的传递方向为基站设备发出的M路下行原始信号通过M×N路下行信道转换为N路下行接收信号发送给终端;将终端发出的N路上行原始信号通过M×N路上行信道转换为M路上行接收信号发送给基站。
其中,用户在控制装置中输入目标波束角度,根据目标波束角度和预设模型,获取M×N路上行信道和M×N路下行信道中每个信道的相位设值;根据各所述每个信道的相位设值调整对应信道的移相和衰减模块的相位值。
在测试时,输入不同的目标波束角度,调节对应通道的相位值,同时,根据目标增益,手动调节对应信道的衰减值,直至达到目标增益。得到终端上报 的测试数据,测试数据包括吞吐率、信噪比、误码率、MCS值等参数及参数变化,将所述测试数据与预期数据进行对比。
本发明提供的测试***能够在有限的试验环境下模拟FDD制式的传输特性,精确测试FDD制式下基站或终端的相关性能。利用本发明提供的测试***能够通过用户输入波束角度,反向计算出每个信道的相位值,在调节角度和增益的同时,得到终端上报的相关测试数据,分析所述测试数据是否符合预期,用户操作简单。本发明提供的测试***中利用双工模块将上行信道和下行信道分离,对外仍是一个整体M×N的射频矩阵,实际是有两路M×N信道和双工模块组成,上行信道与下行信道不会相互干扰,测试精度高。
本发明实施例还提供了一种具有处理器可执行的非易失的程序代码的计算机可读介质,程序代码使处理器执行上述方法实施例提供的方法。
需要说明的是,本说明书中的各个实施例均采用递进的方式描述,每个实施例重点说明的都是与其他实施例的不同之处,各个实施例之间相同相似的部分互相参见即可。本发明实施例所提供测试方法,其实现原理及产生的技术效果和前述***实施例相同,为简要描述,方法实施例部分未提及之处,可参考前述***实施例中相应内容。
在本申请所提供的几个实施例中,应该理解到,所揭露的***和方法,也可以通过其它的方式实现。以上所描述的装置实施例仅仅是示意性的,例如,附图中的流程图和框图显示了根据本发明的多个实施例的装置、方法和计算机程序产品的可能实现的体系架构、功能和操作。在这点上,流程图或框图中的每个方框可以代表一个模块、程序段或代码的一部分,所述模块、程序段或代码的一部分包含一个或多个用于实现规定的逻辑功能的可执行指令。也应当注意,在有些作为替换的实现方式中,方框中所标注的功能也可以以不同于附图中所标注的顺序发生。例如,两个连续的方框实际上可以基本并行地执行,它们有时也可以按相反的顺序执行,依所涉及的功能而定。也要注意的是,框图和/或流程图中的每个方框、以及框图和/或流程图中的方框的组合,可以用执行规定的功能或动作的专用的基于硬件的***来实现,或者可以用专用硬件与计算机指令的组合来实现。
上述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本发明的技术方 案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
最后应说明的是:以上所述实施例,仅为本发明的具体实施方式,用以说明本发明的技术方案,而非对其限制,本发明的保护范围并不局限于此,尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,其依然可以对前述实施例所记载的技术方案进行修改或可轻易想到变化,或者对其中部分技术特征进行等同替换;而这些修改、变化或者替换,并不使相应技术方案的本质脱离本发明实施例技术方案的精神和范围,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应以上述权利要求的保护范围为准。

Claims (10)

  1. 一种射频矩阵,其特征在于,包括M个第一端口和N个第二端口,每个第一端口均连接一个一分N功分/合路器的主口,每个第二端口均连接一个一分M功分/合路器的主口,每个一分N功分/合路器的一个分口和每个一分M功分/合路器的一个分口之间连接有移相模块以形成一个射频信道;
    所述射频矩阵还包括双工模块,每个一分N功分/合路器的一个分口和每个一分M功分/合路器的一个分口之间还连接有所述双工模块;或者,每个第一端口和一个一分N功分/合路器的主口之间连接有所述双工模块,每个第二端口和一个一分M功分/合路器的主口之间连接有所述双工模块;
    所述双工模块将射频矩阵中的射频信道分为M×N路上行信道和M×N路下行信道,每路上行信道和每路下行信道均连接有移相模块。
  2. 根据权利要求1所述的射频矩阵,其特征在于,当双工模块连于所述一分N功分/合路器的分口与所述一分M功分/合路器的分口之间时,所述双工模块的个数为M×N×2个,所述一分N功分/合路器的个数为M个,所述一分M功分/合路器的个数为N个,每个一分N功分/合路器的一个分口和每个一分M功分/合路器的一个分口之间连有两个双工模块,其中,一个双工模块的主口连接一分N功分/合路器的分口,另一个双工模块的主口连接一分M功分/合路器的分口,两个双工模块的分口之间连有两个移相模块。
  3. 根据权利要求1所述的射频矩阵,其特征在于,当双工模块连于所述一分N功分/合路器的主口与第一端口之间和所述一分M功分/合路器的主口与第二端口之间时,所述双工模块的个数为M+N个,所述一分N功分/合路器的个数为2×M个,所述一分M功分/合路器的个数为2×N个,每个第一端口均连接一个双工模块的主口且该双工模块的分口连接两个一分N功分/合路器的主口,每个第二端口均连接一个双工模块的主口且该双工模块的分口连接两个一分M功分/合路器的主口。
  4. 根据权利要求1-3任意一项所述的射频矩阵,其特征在于,所述双工模块为以下一种:一个双工器、一个环行器。
  5. 根据权利要求1-3任意一项所述的射频矩阵,其特征在于,所述双工模块为以下一种:多个环行器的组合、双工器和环行器的组合、双工器和隔离器的组合、环行器和隔离器的组合。
  6. 根据权利要求5所述的射频矩阵,其特征在于,所述双工模块包括:单个双工器和两个环行器,两个环行器的一端分别与双工器的输入端和输出端连接。
  7. 根据权利要求5所述的射频矩阵,其特征在于,所述双工模块包括:单个环行器和两个隔离器,两个隔离器分别与环行器的不同端连接。
  8. 根据权利要求5所述的射频矩阵,其特征在于,所述双工模块包括:单个双工器和两个隔离器,两个隔离器分别与双工器的不同端连接。
  9. 根据权利要求1所述的射频矩阵,其特征在于,所述移相模块是以下中的任一种:移相组件、移相衰减组件、移相组件和衰减组件的组合。
  10. 一种测试***,其特征在于:包括控制装置和如权利要求1至9任一项所述的射频矩阵;
    所述控制装置与所述射频矩阵连接,所述控制装置用于获取目标波束角度,根据目标波束角度和预设模型,获取M×N路上行信道和M×N路下行信道中每个信道的相位设值,并根据各所述每个信道的相位设值调整对应信道的相位值。
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CN115378444B (zh) * 2022-08-19 2024-03-15 杭州逗酷软件科技有限公司 射频***和通信设备

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