CN116566562A - Signal processing method and device, storage medium and computer program product thereof - Google Patents

Signal processing method and device, storage medium and computer program product thereof Download PDF

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Publication number
CN116566562A
CN116566562A CN202210110000.1A CN202210110000A CN116566562A CN 116566562 A CN116566562 A CN 116566562A CN 202210110000 A CN202210110000 A CN 202210110000A CN 116566562 A CN116566562 A CN 116566562A
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terminals
parameters
current transmission
frequency domain
information
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周密
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ZTE Corp
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ZTE Corp
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Priority to CN202210110000.1A priority Critical patent/CN116566562A/en
Priority to PCT/CN2022/132566 priority patent/WO2023142621A1/en
Publication of CN116566562A publication Critical patent/CN116566562A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • 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

Abstract

The invention provides a signal processing method and a device, a storage medium and a computer program product thereof. The signal processing method comprises the following steps: acquiring parameters to be processed of a plurality of terminals, wherein the parameters to be processed are used for generating sounding reference signals; classifying all parameters to be processed to obtain public parameters of all terminals and private parameters of each terminal; processing the public parameters to obtain first target parameters; according to the first target parameter and the private parameter, obtaining information to be transmitted of the current transmission time slot; and generating a sounding reference signal of the current transmission time slot according to the information to be transmitted. According to the embodiment of the invention, the common parameters are only required to be processed once, so that the processing time and processing resources of each terminal aiming at the common parameters can be saved, the processing time and processing resources aiming at the sounding reference signals can be reduced, and the efficiency of high-capacity test aiming at the sounding reference signals can be improved.

Description

Signal processing method and device, storage medium and computer program product thereof
Technical Field
Embodiments of the present invention relate to, but are not limited to, the field of communications technologies, and in particular, to a signal processing method, a device, a storage medium, and a computer program product thereof.
Background
In the related art, the base station may estimate uplink channel quality of different frequency bands by using a sounding reference signal (Sounding Reference Signal, SRS) transmitted by the terminal, and in addition, in a case where a downlink channel and an uplink channel are mutually beneficial, for example, in a time division duplex (Time Division Duplexing, TDD) system, the base station may also estimate downlink channel quality by using the SRS signal according to channel symmetry.
In performing the large capacity test for SRS signals, a large number of terminals need to transmit SRS signals to the base station to test the processing capability of the base station for the large capacity SRS signals. In the current test scheme, each terminal needs to independently process the SRS signals, so that waste of processing time and processing resources is caused, and the test efficiency is affected.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The embodiment of the invention provides a signal processing method, a device thereof, a storage medium and a computer program product, which can reduce the processing time and processing resources for SRS signals, thereby improving the testing efficiency.
In a first aspect, an embodiment of the present invention provides a signal processing method, including:
Acquiring parameters to be processed of a plurality of terminals, wherein the parameters to be processed are used for generating sounding reference signals;
classifying all the parameters to be processed to obtain public parameters of all the terminals and private parameters of each terminal;
processing the public parameters to obtain first target parameters;
according to the first target parameter and the private parameter, obtaining information to be transmitted of the current transmission time slot;
and generating the sounding reference signal of the current transmission time slot according to the information to be transmitted.
In a second aspect, an embodiment of the present invention provides a signal processing apparatus, including:
the base band processing module is used for acquiring parameters to be processed of a plurality of terminals, classifying all the parameters to be processed to obtain public parameters of all the terminals and private parameters of each terminal, processing the public parameters to obtain first target parameters, and obtaining information to be transmitted of a current transmission time slot according to the first target parameters and the private parameters, wherein the parameters to be processed are used for generating detection reference signals;
and the active antenna module is in communication connection with the baseband processing module and is used for generating the sounding reference signal of the current transmission time slot according to the information to be transmitted.
In a third aspect, embodiments of the present invention also provide a computer-readable storage medium storing computer-executable instructions for performing the signal processing method as described above.
In a fourth aspect, embodiments of the present invention also provide a computer program product comprising a computer program or computer instructions stored in a computer readable storage medium, from which the computer program or computer instructions are read by a processor of a computer device, the processor executing the computer program or the computer instructions, causing the computer device to perform a signal processing method as described above.
The embodiment of the invention comprises the following steps: obtaining parameters to be processed of a plurality of terminals for generating sounding reference signals, classifying all the parameters to be processed to obtain public parameters of all the terminals and private parameters of each terminal, processing the public parameters to obtain first target parameters, obtaining information to be transmitted of a current transmission time slot according to the first target parameters and the private parameters, and generating sounding reference signals of the current transmission time slot according to the information to be transmitted. According to the embodiment of the invention, the public parameters of all terminals and the private parameters of each terminal are obtained by classifying the parameters to be processed of a plurality of terminals, then the public parameters are processed to obtain the first target parameters, and then the private parameters of each terminal are combined to obtain the information to be transmitted of the current transmission time slot based on the first target parameters, that is, the public parameters do not need to be processed when the information to be transmitted of each terminal is generated, so that the processing time and the processing resources for the public parameters can be saved, the processing time and the processing resources for the sounding reference signal can be reduced, and the efficiency of the high-capacity test for the sounding reference signal can be improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate and do not limit the invention.
FIG. 1 is a schematic diagram of a system architecture for performing a signal processing method according to an embodiment of the present invention;
FIG. 2 is a flow chart of a signal processing method provided by an embodiment of the present invention;
FIG. 3 is a flowchart of a specific method of step S140 in FIG. 2;
FIG. 4 is a flowchart of a specific method of step S144 in FIG. 3;
FIG. 5 is a flowchart of a specific method of step S141 in FIG. 3;
FIG. 6 is a flowchart of a specific method of step S150 in FIG. 2;
FIG. 7 is a schematic diagram of a signal processing apparatus according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a signal processing apparatus according to another embodiment of the present invention;
Fig. 9 is a flowchart of a signal processing method provided by a specific example of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It should be noted that although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different from that in the flowchart. The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The invention provides a signal processing method and a device, a storage medium and a computer program product thereof, wherein the method comprises the steps of firstly obtaining parameters to be processed of a plurality of terminals for generating a detection reference signal, classifying all the parameters to be processed to obtain public parameters of all the terminals and private parameters of all the terminals, then processing the public parameters to obtain a first target parameter, obtaining information to be transmitted of a current transmission time slot according to the first target parameter and the private parameters, and then generating the detection reference signal of the current transmission time slot according to the information to be transmitted. The method comprises the steps of firstly classifying the parameters to be processed of a plurality of terminals to obtain public parameters of all terminals and private parameters of each terminal, then processing the public parameters to obtain first target parameters, and then combining the private parameters of each terminal to obtain information to be transmitted of the current transmission time slot based on the first target parameters, namely, when the information to be transmitted of each terminal is generated, the public parameters are not required to be processed, so that the processing time and processing resources for the public parameters can be saved, the processing time and processing resources for the sounding reference signal can be reduced, and the efficiency of high-capacity test for the sounding reference signal is improved.
Embodiments of the present invention will be further described below with reference to the accompanying drawings.
As shown in fig. 1, fig. 1 is a schematic diagram of a system architecture for performing a signal processing method according to an embodiment of the present invention. In the example of fig. 1, the system architecture includes a testing device 110, a base station 120, and a plurality of terminals 130. The testing device 110 is communicatively connected to the terminals 130, and is capable of acquiring parameters to be processed for generating SRS signals sent by the terminals 130, processing the parameters to be processed to generate SRS signals, and further sending the SRS signals to the base station 120, so that the base station 120 can estimate uplink channel quality or downlink channel quality of different frequency bands by using the SRS signals.
The system architecture and the application scenario described in the embodiments of the present invention are for more clearly describing the technical solution of the embodiments of the present invention, and do not constitute a limitation on the technical solution provided by the embodiments of the present invention, and those skilled in the art can know that, with the evolution of the system architecture and the appearance of the new application scenario, the technical solution provided by the embodiments of the present invention is applicable to similar technical problems.
It will be appreciated by those skilled in the art that the system architecture shown in fig. 1 is not limiting of the embodiments of the invention and may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.
Based on the above system architecture, various embodiments of the signal processing method of the present invention are presented below.
Referring to fig. 2, fig. 2 is a flowchart of a signal processing method according to an embodiment of the present invention, where the signal processing method is applied to a test apparatus, for example, the test apparatus 110 in the system architecture shown in fig. 1, and the signal processing method includes, but is not limited to, step S110, step S120, step S130, step S140, and step S150.
Step S110, obtaining parameters to be processed of a plurality of terminals.
Note that, the parameters to be processed obtained from the plurality of terminals are parameters for generating the SRS signal, for example, an SRS ID, a frame number, a slot number, a group hopping sequence hop enable parameter, a cell specific SRS bandwidth configuration parameter (Csrs), a terminal specific bandwidth configuration parameter (Bsrs), and the like, which are not particularly limited in this embodiment.
When performing a large-capacity test for an SRS signal, a large number of terminals need to transmit the SRS signal to a base station, where the terminal may actively use a parameter to be processed to generate the SRS signal according to configuration information of the base station and transmit the SRS signal to the base station, or may use the parameter to be processed to generate the SRS signal and transmit the SRS signal to the base station after receiving request information of the base station. In order to solve the problem, in the step, the testing device firstly acquires parameters to be processed of a plurality of terminals, and then uniformly processes the parameters to be processed in the subsequent step, and each terminal does not need to independently process SRS signals, so that the efficiency of high-capacity testing on the SRS signals can be improved.
And step S120, classifying all the parameters to be processed to obtain public parameters of all the terminals and private parameters of each terminal.
It should be noted that, the common parameter refers to the same parameter of each terminal at the time domain position of the current SRS signal or the parameter used for the time domain link after processing, for example, parameters such as a frame number, a time slot number, the number of symbols contained in the time slot, whether a group hop sequence hop enables a parameter, a cell ID, an SRS round trip flag used for the time domain link, and the like; the private parameters are parameters different from each other for each terminal, such as a radio network temporary identifier (Radio Network Tempory Identity, RNTI), a cell-specific SRS bandwidth allocation parameter, a terminal-specific bandwidth allocation parameter, and an SRS ID.
It should be noted that, among the parameters to be processed used by each terminal when generating the SRS signal, there are some common parameters and parameters unique to each terminal, if each terminal generates the SRS signal according to the parameters to be processed independently, the common parameters are repeatedly processed, so that the processing time and the processing resources are wasted, and the efficiency of the test is further affected. In order to solve the problem, in this step, after the to-be-processed parameters of each terminal are obtained in the step S110, all the to-be-processed parameters may be classified to obtain public parameters of all the terminals and private parameters of each terminal, so that the public parameters of all the terminals and the private parameters of each terminal may be processed in the subsequent step respectively, so that the public parameters of all the terminals are processed only once, repeated processing of the public parameters by each terminal is reduced, processing time and processing resources consumed by each terminal to process the public parameters are saved, and further efficiency of high-capacity test for SRS signals can be improved.
Step S130, processing the public parameters to obtain first target parameters.
In this step, because the public parameters of all the terminals and the private parameters of each terminal are obtained in step S120, the public parameters may be processed to obtain the first target parameters, so that the SRS signals of each terminal may be obtained in the subsequent steps based on the first target parameters and the private parameters of each terminal, so that the processing time and processing resources consumed by each terminal to obtain the first target parameters are saved, and further the efficiency of the high-capacity test for SRS signals may be improved.
It should be noted that, the processing of the common parameter to obtain the first target parameter may have a plurality of different embodiments, and may be appropriately selected according to the actual application, which is not limited herein. For example, the common parameter may be cached, so that the subsequent step may read the cached common parameter to generate the SRS signal, where the common parameter is the first target parameter; for another example, the intermediate parameter for generating the SRS signal may be calculated by using the common parameter, for example, the group number intermediate parameter is calculated according to the common parameter such as the time slot number and the number of symbols included in the time slot, so that the SRS signal may be generated according to the group number intermediate parameter in the subsequent step, where the group number intermediate parameter is the first target parameter.
Step S140, according to the first target parameter and the private parameter, the information to be sent of the current transmission time slot is obtained.
In this step, since the public parameters of all the terminals and the private parameters of each terminal are obtained in step S120, and the first target parameter is obtained in step S130 according to the public parameters, the information to be transmitted of the current transmission time slot can be obtained according to the first target parameter and the private parameters, so that the SRS signal of the current transmission time slot can be generated according to the information to be transmitted in the subsequent step, and further, the large capacity test for the SRS signal between the testing device and the base station can be realized.
It should be noted that, in a possible implementation manner, after the first target parameter and the private parameter of each terminal are obtained, the SRS sequence of each terminal may be calculated according to the first target parameter and the private parameter of each terminal, and then the SRS sequence of each terminal is mapped to a corresponding position in the current transmission slot to obtain information to be transmitted in the current transmission slot, so that the SRS signal of the current transmission slot may be generated according to the information to be transmitted in a subsequent step. In addition, in another possible implementation manner, after the first target parameter and the private parameter of each terminal are obtained, the SRS sequence of the terminal may be calculated according to the first target parameter and the private parameter of one of the terminals, and the SRS sequence of the terminal is mapped to the corresponding position in the current transmission slot, then the SRS sequence of the other terminal is calculated according to the first target parameter and the private parameter of the other terminal, and the SRS sequence of the other terminal is mapped to the corresponding position in the current transmission slot, and the cycle is performed in this way, so that finally the information to be transmitted in the current transmission slot may be obtained, so that the SRS signal in the current transmission slot may be generated according to the information to be transmitted in the subsequent steps. The information to be transmitted and the SRS signals generated later are integrated signals containing the relevant parameters of each terminal, so that the efficiency of transmitting the signals can be improved.
Step S150, SRS signals of the current transmission time slot are generated according to the information to be transmitted.
In this step, because the information to be transmitted in the current transmission slot is obtained in step S140, the SRS signal in the current transmission slot can be generated according to the information to be transmitted, so as to implement the large capacity test for the SRS signal between the test device and the base station.
It should be noted that, different embodiments may be used to generate the SRS signal of the current transmission slot according to the information to be sent, for example, when the information to be sent is frequency domain information, the information to be sent may be converted into time domain information, and then radio frequency modulation processing is performed on the time domain information to obtain the SRS signal; for another example, when the information to be transmitted is time domain information, radio frequency modulation processing may be directly performed on the information to be transmitted to obtain the SRS signal.
In this embodiment, by adopting the signal processing method including the steps S110, S120, S130, S140 and S150, the to-be-processed parameters of the plurality of terminals are classified to obtain the public parameters of all the terminals and the private parameters of each terminal, then the public parameters are processed to obtain the first target parameter, and then the private parameters of each terminal are combined with the first target parameter as a basis to obtain the to-be-transmitted information of the current transmission time slot, that is, when the to-be-transmitted information of each terminal is generated, the public parameters are not required to be processed, so that the processing time and the processing resources for the public parameters can be saved, the processing time and the processing resources for the SRS signals in the subsequent steps can be reduced, and the efficiency of the large-capacity test for the SRS signals can be improved.
Referring to fig. 3, a further explanation of step S140 is provided for, and step S140 may include, but is not limited to, the following steps:
step S141, selecting among a plurality of terminals, and obtaining the frequency domain sequence information of the currently selected terminal according to the private parameter and the first target parameter of the currently selected terminal;
step S142, mapping the frequency domain sequence information of the currently selected terminal to the corresponding frequency domain resource position to obtain target frequency domain data;
step S143, counting the number of the selected terminals;
step S144, obtaining the information to be sent of the current transmission time slot according to the number of the selected terminals, the total number of the terminals supported by the current transmission time slot and the target frequency domain data.
It should be noted that, in one transmission time slot, a plurality of resource blocks may be included, in order to increase the resource utilization efficiency of the resource blocks, SRS information of a plurality of terminals may be carried in the plurality of resource blocks of one transmission time slot, so, in a process of obtaining information to be transmitted of a current transmission time slot according to a first target parameter and a private parameter, selection may be performed among the plurality of terminals first, according to the private parameter and the first target parameter of the current selected terminal, frequency domain sequence information of the current selected terminal is obtained, then the frequency domain sequence information of the current selected terminal is mapped to a corresponding frequency domain resource position to obtain target frequency domain data, and then, according to the number of selected terminals, the total number of terminals supported by the current transmission time slot and the target frequency domain data, information to be transmitted of the current transmission time slot is obtained, for example, if the number of selected terminals does not reach the total number of terminals supported by the current transmission time slot, it is illustrated that the current transmission time slot can also support frequency domain sequence information of more terminals, and the frequency domain sequence information of the selected terminals can be mapped to the corresponding frequency domain resource position until the total number of the selected terminals supported by the current transmission time slot reaches the total number of the selected terminals; if the number of the selected terminals reaches the total number of the terminals supported by the current transmission time slot, the current transmission time slot has no more resource blocks which can carry the frequency domain sequence information of the terminals, so that the frequency domain sequence information of the rest terminals is not mapped to the corresponding frequency domain resource positions.
In this embodiment, after the public parameter is processed to obtain the first target parameter, by combining the first target parameter with the private parameter of each terminal, frequency domain sequence information of the terminal is calculated one by one and mapped to a corresponding frequency domain resource position, so that the calculated frequency domain sequence information can be mapped to the corresponding frequency domain resource position, thereby improving the processing efficiency of data.
Referring to fig. 4, a further explanation of step S144 is provided, and step S144 may include, but is not limited to, the following steps:
step S1441, when the number of the selected terminals is smaller than the total number of the terminals supported by the current transmission time slot, selecting again among the rest terminals, and obtaining the frequency domain sequence information of the re-selected terminals according to the private parameters and the first target parameters of the re-selected terminals;
step S1442, mapping the frequency domain sequence information of the re-selected terminal to the corresponding frequency domain resource position, updating the target frequency domain data until the number of the selected terminals is equal to the total number of the terminals supported by the current transmission time slot;
in step S1443, the final obtained target frequency domain data is determined as the information to be transmitted in the current transmission slot.
It should be noted that, when step S144 is performed, if the number of selected terminals is smaller than the total number of terminals supported by the current transmission slot, it is indicated that the current transmission slot can also support more frequency domain sequence information of the terminals, then the selection may be performed again among the remaining terminals, the frequency domain sequence information of the re-selected terminals is obtained according to the private parameter and the first target parameter of the re-selected terminals, and then the frequency domain sequence information of the re-selected terminals is mapped to the corresponding frequency domain resource positions, and the target frequency domain data is updated until the number of selected terminals is equal to the total number of terminals supported by the current transmission slot. When the number of the selected terminals is equal to the total number of the terminals supported by the current transmission time slot, it is indicated that no more resource blocks can carry the frequency domain sequence information of the terminals in the current transmission time slot, so that the frequency domain sequence information of the rest terminals is not mapped to the corresponding frequency domain resource positions, and at this time, the finally obtained target frequency domain data can be determined as the information to be transmitted in the current transmission time slot.
In addition, in another embodiment, after the number of selected terminals is counted in step S143, if the number of selected terminals is equal to the total number of terminals supported by the current transmission slot, it is indicated that the target frequency domain data obtained in step S142 has already occupied the resource block of the current transmission slot, so the target frequency domain data may be directly determined as the information to be transmitted of the current transmission slot.
In a possible implementation manner, a counter may be started to count the number of selected terminals, each time a terminal is selected and frequency domain sequence information of the selected terminal is mapped to a corresponding frequency domain resource position, the value of the counter is increased by 1, when the value of the counter changes, the value of the counter is compared with the total number of terminals supported by a current transmission time slot, if the value of the counter is smaller than the total number of terminals supported by the current transmission time slot, the selected terminal is selected again, frequency domain sequence information of the selected terminal is obtained according to the private parameter and the first target parameter of the selected terminal again, then the frequency domain sequence information of the selected terminal is mapped to the corresponding frequency domain resource position, and the target frequency domain data is updated; and if the numerical value of the counter is equal to the total number of the terminals supported by the current transmission time slot, determining the finally obtained target frequency domain data as information to be transmitted of the current transmission time slot.
It should be noted that, in an alternative embodiment, when the number of the selected terminals is equal to the total number of the terminals supported by the current transmission timeslot, the number of the selected terminals may be cleared, that is, the value of the counter may be cleared, so that the cleared counter may be used to count the number of the selected terminals in the next transmission timeslot, and further it may be convenient to determine whether the resource block of the next transmission timeslot is fully utilized.
Referring to fig. 5, a further explanation of step S141 is provided, and step S141 may include, but is not limited to, the following steps:
step S1411, calculating a second target parameter of the currently selected terminal according to the private parameter and the first target parameter of the currently selected terminal;
in step S1412, frequency domain sequence information of the currently selected terminal is generated according to the second target parameter.
The frequency domain sequence information is a data sequence for obtaining the SRS signal, and the second target parameter is an SRS parameter corresponding to the terminal for generating the frequency domain sequence information. The second target parameters of the terminal may be varied, and will be described in detail with some examples.
Example one:
assuming that the common parameters include the slot number, the number of symbols contained in the slot, and the transmitted symbol position of the SRS signal, the common parameters may be used in advanceThe number and the following formula (1) calculate a group number intermediate parameter for generating a group number u (i.e., a second target parameter)(i.e., first target parameter):
in the case of the formula (1),is a time slot number; />The number of symbols contained in the time slot; l (L) 0 +l' is the transmission symbol position of the SRS signal; l (L) 0 For the position of the first orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) symbol, l' is l 0 Offset of l 0 Traversing the value of +l' from 8 to 13; c is a pseudo-random sequence function for generating a pseudo-random sequence. As can be seen from the above formula (1), the calculated group number intermediate parameter +.>There are also 6 values corresponding.
Calculating a first target parameter according to the above formula (1)Afterwards, the private parameters of the currently selected terminal and the first target parameter can be used ∈ ->Calculating a second target parameter u of the currently selected terminal by using the following formula (2):
in the formula (2) of the present invention,an SRS ID for the currently selected terminal; />Is a private parameter of the currently selected terminal.
Example two:
assuming that the common parameters include a slot number, the number of symbols included in the slot, a transmission symbol position of the SRS signal, an SRS sequence length, and the number of subcarriers in the resource block, the common parameters may be buffered first, where the buffered common parameters are the first target parameters. After obtaining the first target parameter, the intra-group sequence number v (i.e. the second target parameter) of the currently selected terminal may be calculated according to the private parameter of the currently selected terminal and the first target parameter by using the following formula (3):
in the formula (3) of the present invention, Is a time slot number; />The number of symbols contained in the time slot; l (L) 0 +l' is the transmission symbol position of the SRS signal; l (L) 0 For the position of the first OFDM symbol, l' is l 0 Offset of l 0 Traversing the value of +l' from 8 to 13; c is a pseudo-random sequence function for generating a pseudo-random sequence; />Is the SRS sequence length; />Is the number of sub-carriers in the resource block. As can be seen from equation (3), when +.>Is greater than->When the serial number v in the group is +.>Otherwise, the value of the serial number v in the group is 0.
Example three:
assuming that the common parameters include a transmission code score, a maximum transmission code score, and the number of antenna ports transmitting the SRS signal, the cyclic shift value α corresponding to the antenna port Pi may be calculated according to the common parameters and the following formula (4) i Cyclic shift intermediate parameter (i.e. second target parameter)(i.e., first target parameter):
in the formula (4) of the present invention,to transmit a code score; />A maximum transmit code score; />The number of antenna ports for transmitting SRS signals; pi is the serial number of the antenna port.
Calculating a first target parameter according to the above formula (4)Afterwards, the private parameters of the currently selected terminal and the first target parameter can be used ∈ ->Calculating a second target parameter alpha of the currently selected terminal by using the following formula (5) i ：
In the formula (2), since the first target parameter has been calculated in advanceIt is thus possible to directly depend on the first target parameter +.>And common parameter->Calculating to obtain second target parameters alpha of each terminal i Thereby improving the calculation efficiency and saving the calculation of the first target parameter by each terminal>The required processing time and processing resources.
Referring to fig. 6, a further explanation of step S150 is provided, and step S150 may include, but is not limited to, the following steps:
step S151, carrying out data domain conversion processing on the information to be transmitted to obtain target time domain information;
step S152, data conversion processing is performed on the target time domain information to obtain SRS signals of the current transmission time slot.
It should be noted that, the information to be sent of the current transmission time slot acquired in step S140 is frequency domain data, and the SRS signal sent to the base station is time domain data, so after the information to be sent of the current transmission time slot is acquired, data domain conversion processing is required to be performed on the information to be sent to obtain target time domain information, and then data conversion processing is performed on the target time domain information to obtain the SRS signal of the current transmission time slot, so that the SRS signal of the current transmission time slot can be sent to the base station in a subsequent step, and a large capacity test for the SRS signal between the testing device and the base station is realized.
Referring to fig. 7, fig. 7 is a schematic diagram of a signal processing apparatus according to an embodiment of the present invention, and the signal processing apparatus 200 may be applied as the test apparatus 110 in the embodiment shown in fig. 1, where the signal processing apparatus 200 in the embodiment can form a part of the system architecture in the embodiment shown in fig. 1. In fig. 7, the signal processing apparatus 200 may include a baseband processing module 210 and an active antenna module 220, the baseband processing module 210 and the active antenna module 220 being communicatively connected, wherein the active antenna module 220 includes at least one transmitting antenna, and the active antenna module 220 is communicatively connected with a base station through the transmitting antenna. In fig. 7, the active antenna module 220 is illustrated as being communicatively coupled to a base station via 4 transmit antennas. The signal processing device 200 mainly implements scheduling control of SRS signals of each terminal, specifically, the signal processing device 200 firstly obtains parameters to be processed of each terminal, then classifies and sorts the parameters to be processed to obtain public parameters of all terminals and private parameters of each terminal, then generates SRS frequency domain sequences according to the public parameters and the private parameters of each terminal, performs frequency-time conversion operation on the SRS frequency domain sequences to generate SRS time domain data, then performs medium radio frequency filtering, digital-analog conversion and other processes on the SRS time domain data to obtain SRS signals, and finally sends the SRS signals through a transmitting antenna.
In an embodiment, the baseband processing module 210 is mainly configured to obtain parameters to be processed for generating SRS signals sent by a plurality of terminals, classify all the parameters to be processed to obtain public parameters of all the terminals and private parameters of each terminal, process the public parameters to obtain a first target parameter, and then obtain information to be sent of a current transmission slot according to the first target parameter and the private parameters. The active antenna module 220 is mainly configured to generate an SRS signal of a current transmission slot according to information to be transmitted, and transmit the SRS signal to a base station.
It should be noted that, the common parameter refers to the same parameter of each terminal at the time domain position of the current SRS signal or the parameter used for the time domain link after processing, for example, parameters such as a frame number, a time slot number, the number of symbols contained in the time slot, whether a group hop sequence hop enables a parameter, a cell ID, an SRS round trip flag used for the time domain link, and the like; the private parameters refer to parameters of each terminal, such as RNTI, cell-specific SRS bandwidth configuration parameters, terminal-specific bandwidth configuration parameters, SRS ID, and the like, which are different from each other.
In this embodiment, through the mutual coordination of the baseband processing module 210 and the active antenna module 220, the to-be-processed parameters of the plurality of terminals are classified to obtain public parameters of all terminals and private parameters of each terminal, then the public parameters are processed to obtain the first target parameters, and then the to-be-transmitted information of the current transmission time slot is obtained by combining the private parameters of each terminal based on the first target parameters, that is, when the to-be-transmitted information of each terminal is generated, the public parameters are not required to be processed, so that the processing time and the processing resources for the public parameters can be saved, the processing time and the processing resources for the SRS signals in the subsequent steps can be reduced, and the efficiency of the large-capacity test for the SRS signals is improved.
Referring to fig. 8, fig. 8 is a schematic diagram of a signal processing apparatus according to another embodiment of the present invention, and a baseband processing module 210 in the signal processing apparatus 200 may include a medium access control layer module 211 and a physical layer module 212 connected to each other, where the physical layer module 212 is communicatively connected to an active antenna module 220.
In a possible implementation manner, the medium access control layer module 211 may be configured to obtain parameters to be processed for generating SRS signals sent by a plurality of terminals, and classify all the parameters to be processed to obtain public parameters of all the terminals and private parameters of each terminal; the physical layer module 212 may be configured to process the public parameter to obtain a first target parameter, and obtain information to be sent of the current transmission slot according to the first target parameter and the private parameter.
In another possible implementation manner, the medium access control layer module 211 may be configured to obtain parameters to be processed for generating SRS signals sent by a plurality of terminals; the physical layer module 212 may be configured to perform a classification process on all the parameters to be processed to obtain public parameters of all the terminals and private parameters of each terminal, then process the public parameters to obtain a first target parameter, and then obtain information to be sent in the current transmission time slot according to the first target parameter and the private parameters.
In one embodiment, the physical layer module 212 is specifically configured to:
selecting among a plurality of terminals, and obtaining frequency domain sequence information of the currently selected terminal according to the private parameters and the first target parameters of the currently selected terminal;
mapping the frequency domain sequence information of the currently selected terminal to the corresponding frequency domain resource position to obtain target frequency domain data;
counting the number of selected terminals;
and obtaining the information to be transmitted of the current transmission time slot according to the number of the selected terminals, the total number of the terminals supported by the current transmission time slot and the target frequency domain data.
In one embodiment, the physical layer module 212 is specifically configured to:
when the number of the selected terminals is smaller than the total number of the terminals supported by the current transmission time slot, selecting the terminals again in the rest terminals, and obtaining frequency domain sequence information of the selected terminals again according to the private parameters and the first target parameters of the selected terminals again;
mapping the frequency domain sequence information of the re-selected terminal to the corresponding frequency domain resource position, and updating the target frequency domain data until the number of the selected terminals is equal to the total number of the terminals supported by the current transmission time slot;
and determining the finally obtained target frequency domain data as information to be transmitted of the current transmission time slot.
In one embodiment, the physical layer module 212 is specifically configured to:
and when the number of the selected terminals is equal to the total number of the terminals supported by the current transmission time slot, determining the target frequency domain data as information to be transmitted of the current transmission time slot.
In one embodiment, the physical layer module 212 is specifically configured to:
and carrying out zero clearing processing on the number of the selected terminals when the number of the selected terminals is equal to the total number of the terminals supported by the current transmission time slot.
In one embodiment, the physical layer module 212 is specifically configured to:
calculating to obtain a second target parameter of the currently selected terminal according to the private parameter and the first target parameter of the currently selected terminal;
and generating frequency domain sequence information of the currently selected terminal according to the second target parameter.
In one embodiment, the active antenna module 220 is specifically configured to:
carrying out data domain conversion processing on information to be transmitted to obtain target time domain information;
and performing data conversion processing on the target time domain information to obtain a sounding reference signal of the current transmission time slot.
It should be noted that the above described embodiments of the apparatus are only illustrative, wherein the units described as separate components may or may not be physically separate, i.e. may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In order to more clearly describe the processing flow of the signal processing method provided in the embodiment of the present invention, a specific example of a signal processing apparatus and a signal processing method will be described below.
Example one:
assuming that the signal processing method is performed by using the signal processing apparatus shown in fig. 8 to initiate a large capacity test with respect to the SRS signal with the base station, the method steps shown in fig. 9 are performed inside the signal processing apparatus:
step S210, the medium access control layer module analyzes parameters to be processed of each terminal, such as frequency domain position related parameters, SRS ID and the like, according to the configuration information of the base station;
step S220, the media access control layer module sorts all the parameters to be processed corresponding to the air interface scheduling to obtain public parameters of all terminals and private parameters of each terminal, and then the media access control layer module issues the public parameters and the private parameters to the physical layer module; wherein, the public parameter mainly comprises frame number, time slot number, whether the group jump sequence jump enables parameter, etc.; the private parameters mainly comprise SRS ID, csrs, bsrs and the like;
step S230, the physical layer module processes the common parameters issued by the medium access control layer module to obtain intermediate parameters for generating SRS frequency domain sequences, such as group number intermediate parameters for generating group number u
Step S240, after the physical layer module completes processing the public parameters to obtain intermediate parameters, the physical layer module calculates the private parameters of the currently selected terminal in combination with the intermediate parameters to obtain final parameters for generating SRS frequency domain sequences, such as group number u, intra-group sequence number v, and cyclic shift value alpha corresponding to the antenna port i Etc.;
step S250, the physical layer module generates SRS frequency domain sequence of the currently selected terminal according to the final parameters obtained in the step;
step S260, the physical layer module performs resource mapping processing on the SRS frequency domain sequence of the currently selected terminal according to the frequency domain resource position, and places the SRS frequency domain sequence to the corresponding frequency domain resource position in the current transmission time slot to obtain target frequency domain data;
step S270, after the physical layer module completes the resource mapping process of SRS frequency domain sequence of the currently selected terminal, adding 1 to the number of terminals which complete the process;
step S280, judging whether the number of the terminals which are currently processed is equal to the total number of the terminals supported by the current transmission time slot, if so, jumping to step S290, otherwise, executing step S240 on the next selected terminal;
step S290, performing frequency-time conversion processing on the finally obtained target frequency domain data to obtain target time domain information, then performing data conversion processing on the target time domain information to obtain SRS signals of the current transmission time slot, and then sending the SRS signals to the base station.
In this example, by adopting the signal processing method including steps S210 to S290, the to-be-processed parameters of the plurality of terminals are classified to obtain the public parameters of all the terminals and the private parameters of each terminal, then the public parameters are processed to obtain the intermediate parameters for generating the SRS frequency domain sequence, and then the SRS signal of the current transmission slot is obtained by combining the private parameters of each terminal based on the intermediate parameters, that is, the public parameters do not need to be processed when the SRS frequency domain sequence of each terminal is generated, so that the processing time and the processing resources for the public parameters can be saved, the processing time and the processing resources for the SRS signal can be reduced, and the efficiency of the large-capacity test for the SRS signal can be improved.
Furthermore, an embodiment of the present invention provides a computer-readable storage medium storing computer-executable instructions that, when executed by a processor, cause the processor to perform the signal processing method in the above-described embodiment, for example, perform the method steps S110 to S150 in fig. 2, the method steps S141 to S144 in fig. 3, the method steps S1441 to S1443 in fig. 4, the method steps S1411 to S1412 in fig. 5, and the method steps S151 to S152 in fig. 6 described above.
Furthermore, an embodiment of the present invention provides a computer program product, including a computer program or computer instructions, the computer program or computer instructions being stored in a computer readable storage medium, a processor of a computer device reading the computer program or computer instructions from the computer readable storage medium, the processor executing the computer program or computer instructions, causing the computer device to perform the signal processing method as described in any of the previous embodiments.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
While the preferred embodiment of the present invention has been described in detail, the present invention is not limited to the above embodiment, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present invention, and these equivalent modifications and substitutions are intended to be included in the scope of the present invention as defined in the appended claims.

Claims (16)

1. A signal processing method, comprising:
acquiring parameters to be processed of a plurality of terminals, wherein the parameters to be processed are used for generating sounding reference signals;
classifying all the parameters to be processed to obtain public parameters of all the terminals and private parameters of each terminal;
processing the public parameters to obtain first target parameters;
according to the first target parameter and the private parameter, obtaining information to be transmitted of the current transmission time slot;
and generating the sounding reference signal of the current transmission time slot according to the information to be transmitted.
2. The signal processing method according to claim 1, wherein the obtaining the information to be transmitted of the current transmission slot according to the first target parameter and the private parameter includes:
selecting among a plurality of terminals, and obtaining frequency domain sequence information of the currently selected terminal according to the private parameter and the first target parameter of the currently selected terminal;
Mapping the frequency domain sequence information of the currently selected terminal to a corresponding frequency domain resource position to obtain target frequency domain data;
counting the number of selected terminals;
and obtaining the information to be sent of the current transmission time slot according to the number of the selected terminals, the total number of the terminals supported by the current transmission time slot and the target frequency domain data.
3. The signal processing method according to claim 2, wherein the obtaining information to be transmitted of the current transmission slot according to the number of selected terminals, the total number of terminals supported by the current transmission slot, and the target frequency domain data includes:
when the number of the selected terminals is smaller than the total number of the terminals supported by the current transmission time slot, selecting the terminals again in the rest terminals, and obtaining frequency domain sequence information of the selected terminals again according to the private parameters and the first target parameters of the selected terminals again;
mapping the frequency domain sequence information of the re-selected terminal to a corresponding frequency domain resource position, and updating the target frequency domain data until the number of the selected terminals is equal to the total number of the terminals supported by the current transmission time slot;
and determining the finally obtained target frequency domain data as information to be transmitted of the current transmission time slot.
4. The signal processing method according to claim 2, wherein the obtaining information to be transmitted of the current transmission slot according to the number of selected terminals, the total number of terminals supported by the current transmission slot, and the target frequency domain data includes:
and when the number of the selected terminals is equal to the total number of the terminals supported by the current transmission time slot, determining the target frequency domain data as information to be transmitted of the current transmission time slot.
5. The signal processing method according to claim 3 or 4, wherein the obtaining the information to be transmitted of the current transmission slot according to the number of selected terminals, the total number of terminals supported by the current transmission slot, and the target frequency domain data, further comprises:
and carrying out zero clearing processing on the number of the selected terminals when the number of the selected terminals is equal to the total number of the terminals supported by the current transmission time slot.
6. The signal processing method according to claim 2, wherein the obtaining the frequency domain sequence information of the currently selected terminal according to the private parameter and the first target parameter of the currently selected terminal includes:
according to the private parameter and the first target parameter of the currently selected terminal, calculating to obtain a second target parameter of the currently selected terminal;
And generating frequency domain sequence information of the currently selected terminal according to the second target parameter.
7. The signal processing method according to claim 1, wherein the generating the sounding reference signal of the current transmission slot according to the information to be transmitted comprises:
performing data domain conversion processing on the information to be transmitted to obtain target time domain information;
and performing data conversion processing on the target time domain information to obtain the sounding reference signal of the current transmission time slot.
8. A signal processing apparatus, comprising:
the base band processing module is used for acquiring parameters to be processed of a plurality of terminals, classifying all the parameters to be processed to obtain public parameters of all the terminals and private parameters of each terminal, processing the public parameters to obtain first target parameters, and obtaining information to be transmitted of a current transmission time slot according to the first target parameters and the private parameters, wherein the parameters to be processed are used for generating detection reference signals;
and the active antenna module is in communication connection with the baseband processing module and is used for generating the sounding reference signal of the current transmission time slot according to the information to be transmitted.
9. The signal processing device of claim 8, wherein the baseband processing module comprises a physical layer module communicatively coupled to the active antenna module; the physical layer module is used for:
selecting among a plurality of terminals, and obtaining frequency domain sequence information of the currently selected terminal according to the private parameter and the first target parameter of the currently selected terminal;
mapping the frequency domain sequence information of the currently selected terminal to a corresponding frequency domain resource position to obtain target frequency domain data;
counting the number of selected terminals;
and obtaining the information to be sent of the current transmission time slot according to the number of the selected terminals, the total number of the terminals supported by the current transmission time slot and the target frequency domain data.
10. The signal processing device of claim 9, wherein the physical layer module is configured to:
when the number of the selected terminals is smaller than the total number of the terminals supported by the current transmission time slot, selecting the terminals again in the rest terminals, and obtaining frequency domain sequence information of the selected terminals again according to the private parameters and the first target parameters of the selected terminals again;
Mapping the frequency domain sequence information of the re-selected terminal to a corresponding frequency domain resource position, and updating the target frequency domain data until the number of the selected terminals is equal to the total number of the terminals supported by the current transmission time slot;
and determining the finally obtained target frequency domain data as information to be transmitted of the current transmission time slot.
11. The signal processing device of claim 9, wherein the physical layer module is configured to:
and when the number of the selected terminals is equal to the total number of the terminals supported by the current transmission time slot, determining the target frequency domain data as information to be transmitted of the current transmission time slot.
12. The signal processing apparatus according to claim 10 or 11, wherein the physical layer module is configured to:
and carrying out zero clearing processing on the number of the selected terminals when the number of the selected terminals is equal to the total number of the terminals supported by the current transmission time slot.
13. The signal processing device of claim 9, wherein the physical layer module is configured to:
according to the private parameter and the first target parameter of the currently selected terminal, calculating to obtain a second target parameter of the currently selected terminal;
And generating frequency domain sequence information of the currently selected terminal according to the second target parameter.
14. The signal processing device of claim 8, wherein the active antenna module is configured to:
performing data domain conversion processing on the information to be transmitted to obtain target time domain information;
and performing data conversion processing on the target time domain information to obtain the sounding reference signal of the current transmission time slot.
15. A computer-readable storage medium storing computer-executable instructions for performing the signal processing method of any one of claims 1 to 7.
16. A computer program product comprising a computer program or computer instructions, characterized in that the computer program or the computer instructions are stored in a computer readable storage medium, from which the computer program or the computer instructions are read by a processor of a computer device, which processor executes the computer program or the computer instructions, so that the computer device performs the signal processing method according to any one of claims 1 to 7.
CN202210110000.1A 2022-01-29 2022-01-29 Signal processing method and device, storage medium and computer program product thereof Pending CN116566562A (en)

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