CN115297554A - Signal collision processing method, device, system, medium and electronic equipment - Google Patents
Signal collision processing method, device, system, medium and electronic equipment Download PDFInfo
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Abstract
The application provides a signal collision processing method, a device, a system, a medium and equipment, which relate to the technical field of communication, and the method comprises the following steps: a base station acquires a physical cell identifier of a target cell of a terminal, and calculates a type of spatial position corresponding to a cell reference signal of the target cell according to the physical cell identifier; a base station sends a target instruction for indicating signal avoidance to a terminal; the terminal calculates the collision position between the demodulation reference signal and the cell reference signal based on the first-class space position and the second-class space position corresponding to the demodulation reference signal; and the terminal adjusts the two types of spatial positions of the demodulation reference signals in the collision position. Therefore, the collision position can be calculated based on the first-class spatial position corresponding to the cell reference signal and the second-class spatial position corresponding to the demodulation reference signal, and the second-class spatial position of the demodulation reference signal is adjusted according to the collision position so as to solve the problem of signal collision.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a signal collision processing method, a signal collision processing apparatus, a signal collision processing system, a computer-readable storage medium, and an electronic device.
Background
Cell Reference Signal (CRS) may be used for downlink channel quality measurement, downlink channel estimation, and the like. A demodulation reference signal (DMRS) is used for a receiving end (base station side or UE side) to perform channel estimation and perform demodulation of a physical channel.
The 4G and 5G dynamic spectrum sharing technology (DSS) is used for solving the requirement of 4G spectrum replating transition stage in the 4G and 5G evolution processes, and generally, the same spectrum resource can be dynamically allocated to networks of two systems for use according to the service condition of 4G 5G. However, in an actual search space, there may be collisions between the space occupied by the LTE CRS signal and the NR PDCCH DMRS signal.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present application and therefore may include information that does not constitute an existing solution known to a person of ordinary skill in the art.
Disclosure of Invention
The present application aims to provide a signal collision processing method, a signal collision processing apparatus, a signal collision processing system, a computer-readable storage medium, and an electronic device, which can calculate a collision position based on a first-class spatial position corresponding to a cell reference signal and a second-class spatial position corresponding to a demodulation reference signal, and adjust the second-class spatial position of the demodulation reference signal according to the collision position to process the problem of signal collision, and can be beneficial to improving channel capacity and coverage capacity in a DSS (direct sequence spread spectrum) scenario.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned by practice of the application.
According to an aspect of the present application, there is provided a signal collision processing method, including:
a base station acquires a physical cell identifier of a target cell of a terminal, and calculates a class of spatial positions corresponding to a cell reference signal of the target cell according to the physical cell identifier;
a base station sends a target instruction for indicating signal avoidance to a terminal;
the terminal calculates the collision position between the demodulation reference signal and the cell reference signal based on the first-class space position and the second-class space position corresponding to the demodulation reference signal;
the terminal adjusts the class-two spatial positions of the demodulation reference signals in the collision position.
In an exemplary embodiment of the present application, acquiring, by a base station, a physical cell identity of a target cell of a terminal includes:
if the search space of the downlink control channel is configured in a first mode, the base station acquires the physical cell identifier of the target cell of the terminal.
In an exemplary embodiment of the present application, the method further includes:
if the search space of the downlink control channel is configured in a second mode, the base station acquires the moving speed of the terminal;
if the moving speed is larger than or equal to the preset threshold value, the base station reduces the second type of space positions occupied by the demodulation reference signals.
In an exemplary embodiment of the present application, the acquiring, by a base station, a physical cell identifier of a target cell of a terminal includes:
and if the moving speed is less than the preset threshold value, the base station acquires the physical cell identifier of the target cell of the terminal.
In an exemplary embodiment of the present application, the acquiring, by a base station, a moving speed of a terminal includes:
the base station periodically measures the moving speed of the terminal.
In an exemplary embodiment of the present application, a base station reduces two types of spatial positions occupied by demodulation reference signals, including:
and the base station removes the second type of spatial positions occupied by the demodulation reference signals belonging to the same frequency domain with the first type of spatial positions.
According to an aspect of the present application, there is provided a signal collision processing apparatus including:
the position determining unit is used for acquiring a physical cell identifier of a target cell of the terminal and calculating a type of spatial position corresponding to a cell reference signal of the target cell according to the physical cell identifier;
the instruction issuing unit is used for issuing a target instruction for indicating signal avoidance to the terminal;
the position calculation unit is used for calculating the collision position between the demodulation reference signal and the cell reference signal based on the first-class space position and the second-class space position corresponding to the demodulation reference signal;
and the position adjusting unit is used for adjusting the two types of spatial positions of the demodulation reference signals in the collision position.
In an exemplary embodiment of the present application, the acquiring, by a location determining unit, a physical cell identity of a target cell of a terminal includes:
if the search space of the downlink control channel is configured in a first manner, the location determining unit obtains a physical cell identity of a target cell of the terminal.
In an exemplary embodiment of the present application, the apparatus further includes:
a moving speed obtaining unit, configured to obtain a moving speed of the terminal if the search space of the downlink control channel is configured in the second manner;
and the space reducing unit is used for reducing the two types of space positions occupied by the demodulation reference signal by the base station if the moving speed is greater than or equal to a preset threshold value.
In an exemplary embodiment of the present application, the acquiring, by a location determining unit, a physical cell identity of a target cell of a terminal includes:
if the moving speed is less than the preset threshold value, the position determining unit acquires a physical cell identifier of a target cell of the terminal.
In an exemplary embodiment of the present application, the acquiring a moving speed of the terminal by a moving speed acquiring unit includes:
the moving speed acquisition unit periodically measures the moving speed of the terminal.
In an exemplary embodiment of the present application, the spatial reduction unit reduces two types of spatial positions occupied by the demodulation reference signal, including:
the spatial reduction unit removes a second type of spatial position occupied by the demodulation reference signal belonging to the same frequency domain as the first type of spatial position.
According to an aspect of the present application, there is provided a signal collision processing system including:
the base station is used for acquiring a physical cell identifier of a target cell of the terminal and calculating a type of spatial position corresponding to a cell reference signal of the target cell according to the physical cell identifier;
the base station is used for issuing a target instruction for indicating signal avoidance to the terminal;
the terminal is used for calculating the collision position between the demodulation reference signal and the cell reference signal based on the first-class space position and the second-class space position corresponding to the demodulation reference signal;
and the terminal is used for adjusting the two types of spatial positions of the demodulation reference signals in the collision position.
According to an aspect of the application, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of any one of the above.
According to an aspect of the present application, there is provided an electronic device including: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to perform the method of any of the above via execution of the executable instructions.
The exemplary embodiments of the present application may have some or all of the following advantages:
in the signal collision processing method provided in an example embodiment of the present application, a base station may obtain a physical cell identifier of a target cell of a terminal, and calculate a class of spatial positions corresponding to a cell reference signal of the target cell according to the physical cell identifier; the base station issues a target instruction for indicating signal avoidance to the terminal; the terminal calculates the collision position between the demodulation reference signal and the cell reference signal based on the first-class space position and the second-class space position corresponding to the demodulation reference signal; the terminal adjusts the class-two spatial positions of the demodulation reference signals in the collision position. Therefore, the collision position can be calculated based on the first-class spatial position corresponding to the cell reference signal and the second-class spatial position corresponding to the demodulation reference signal, and the second-class spatial position of the demodulation reference signal is adjusted according to the collision position so as to solve the problem of signal collision.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 schematically illustrates a flow diagram of a signal collision processing method according to one embodiment of the present application;
FIG. 2 schematically shows a flow diagram of a signal collision handling method according to an embodiment of the application;
FIG. 3 schematically illustrates an architecture diagram of a signal collision processing system according to one embodiment of the present application;
FIG. 4 schematically shows a block diagram of a signal collision processing apparatus in an embodiment according to the present application;
fig. 5 schematically shows a schematic structural diagram of a computer system suitable for implementing the electronic device of the embodiment of the present application.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the subject matter of the present application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present application.
Furthermore, the drawings are merely schematic illustrations of the present application and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
Referring to fig. 1, fig. 1 schematically shows a flow chart of a signal collision handling method according to an embodiment of the present application. As shown in fig. 1, the signal collision processing method may include: step S110 to step S140.
Step S110: the base station acquires a physical cell identifier of a target cell of the terminal, and calculates a type of spatial position corresponding to a cell reference signal of the target cell according to the physical cell identifier.
Step S120: and the base station issues a target instruction for indicating signal avoidance to the terminal.
Step S130: and the terminal calculates the collision position between the demodulation reference signal and the cell reference signal based on the first-class spatial position and the second-class spatial position corresponding to the demodulation reference signal.
Step S140: the terminal adjusts the class-two spatial positions of the demodulation reference signals in the collision position.
By implementing the method shown in fig. 1, the collision position can be calculated based on the first-class spatial position corresponding to the cell reference signal and the second-class spatial position corresponding to the demodulation reference signal, and the second-class spatial position of the demodulation reference signal is adjusted according to the collision position to solve the problem of signal collision.
The above steps of the present exemplary embodiment will be described in more detail below.
In a DSS scenario, an NR downlink control channel (PDCCH) generally needs to avoid LTE CRS symbols, and in the prior art, generally, an NR PDCCH is configured on an OFDM symbol 2 where no LTE CRS signal is located, and an NR PDCCH configured on an OFDM symbol 1 is abandoned, but the NR PDCCH configured on the OFDM symbol 2 is likely to cause a smaller capacity of the NR PDCCH. The method and the device can solve the problem of collision between the cell reference signal and the demodulation reference signal in the search space on the basis of not reducing the capacity of the NR PDCCH in steps S110 to S140.
In step S110, the base station obtains a physical cell identifier of a target cell of the terminal, and calculates a type of spatial position corresponding to a cell reference signal of the target cell according to the physical cell identifier.
Specifically, a Physical Cell Identifier (PCI) of the target Cell is used for a terminal to distinguish wireless signals of different cells in Long Term Evolution (LTE). The LTE system provides 504 PCIs, has a similar concept with 128 scrambling codes of the TD-SCDMA system, and configures a number between 0 and 503 for a cell when network management is configured. The specific cell ID is determined in the LTE cell search procedure by retrieving the Primary Synchronization Sequence (PSS) and the Secondary Synchronization Sequence (SSS).
The type of spatial location corresponding to the cell reference signal of the target cell may include a location in a search space of one or more PDCCHs. The NR Downlink Control channel (PDCCH) carries DCI (Downlink Control Information), which includes resource allocation and other Control Information for one or more terminals (UEs), and may include multiple PDCCHs in one subframe. Each PDCCH is transmitted using one or more Control Channel Elements (CCEs), where each CCE corresponds to 9 REGs, and 1 REG is equivalent to 4 REs. The 1 REG consists of 4 or 6 contiguous class of spatial locations (REs) located on the same OFDM symbol.
For the search space of PDCCH, for example, referring to table 1, the search space of PDCCH may be a part of the whole space, e.g., the second and third columns. The overall space may also include search spaces of other channels, and the embodiments of the present application are not limited.
TABLE 1
Wherein a first column NR PDCCH may correspond to OFDM symbol 1 and a second column NR PDCCH may correspond to OFDM symbol 2.
In table 1, the first-class spatial position occupied by the LTE CRS may be in the search space of the PDCCH or may not be in the search space of the PDCCH, and the line spacing of the first-class spatial position occupied by the LTE CRS may be preset, and similarly, the line spacing of the second-class spatial position occupied by the DMRS may also be preset. When the NR PDCCH collides with the LTE CRS, the NR PDCCH is generally punctured to avoid the collision, which usually does not cause a large loss. However, when the NR PDCCH DMRS collides with the LTE CRS (shown as the second column of the eighth row in table 1), puncturing the DMRS may affect the NR PDCCH channel estimation accuracy and the demodulation performance, which may cause a large loss, and in this case, the problem of signal collision may be solved through steps S110 to S140.
Note that table 1 may have 14 OFDM symbols in horizontal rows and 12 subcarriers in vertical rows, and table 1 represents one RB as a whole, and each cell represents one RE. The same applies to the following tables 2 and 3.
In step S120, the base station issues a target instruction for indicating signal avoidance to the terminal.
Specifically, the target instruction may be specifically used to indicate that the terminal has a DMRS and CRS collision condition and needs to perform operations such as signal avoidance.
In step S130, the terminal calculates a collision position between the demodulation reference signal and the cell reference signal based on the first-class spatial position and the second-class spatial position corresponding to the demodulation reference signal.
Specifically, the class two spatial locations corresponding to the demodulation reference signals may include locations in a search space of one or more PDCCHs. There may or may not be overlap between the class two spatial locations and the class one spatial location. In the collision position, the class two spatial positions and the class one spatial positions overlap.
In step S140, the terminal adjusts the class two spatial positions of the demodulation reference signal in the collision position.
Specifically, the terminal adjusts a second type of spatial position of the demodulation reference signal in the collision position, including: the two types of spatial positions of the demodulation reference signal in the collision position may be adjusted up/down by a preset number (e.g., 1) of positions. For example, based on table 1, steps S110 to S140 are performed to obtain table 2.
TABLE 2
In table 2, the class-two spatial positions of the demodulation reference signals in the collision position are adjusted upward by 1 bit, and the adjusted class-two spatial positions of the demodulation reference signals are located in the seventh row and the second column of table 2, so that collision with LTE CRS transmission can be avoided.
As an optional embodiment, the obtaining, by the base station, the physical cell identifier of the target cell of the terminal includes: if the search space of the downlink control channel is configured in a first mode, the base station acquires a physical cell identifier of a target cell of the terminal. Therefore, the search space can be configured in a first mode, namely, in a high-speed transmission scene, a mode of moving the second-class space position can be adopted, the problem of signal collision is avoided, and the accuracy of channel estimation is improved.
Specifically, the method may further include: detecting whether the search space of a downlink control channel (PDCCH) is configured to be one and occupies two OFDM symbols in a time domain, and if so, judging that the search space of the PDCCH is configured in a first mode.
As an optional embodiment, the method further includes: if the search space of the downlink control channel is configured in a second mode, the base station acquires the moving speed of the terminal; if the moving speed is larger than or equal to the preset threshold value, the base station reduces the second-class space position occupied by the demodulation reference signal. Therefore, the search space can be configured in a second mode, namely, in a low-speed transmission scene, the problem of signal collision can be avoided by adopting a mode of reducing the two types of space positions.
Specifically, the method may further include: detecting whether the search space of a downlink control channel (PDCCH) is configured to be one, and occupying one OFDM symbol in a time domain, if so, judging that the search space of the PDCCH is configured in a second mode.
As an optional embodiment, the obtaining, by the base station, the physical cell identifier of the target cell of the terminal includes: and if the moving speed is less than the preset threshold value, the base station acquires the physical cell identifier of the target cell of the terminal. Therefore, the problem of signal collision can be avoided by adopting a mode of moving the secondary space position when the moving speed is less than a preset threshold value, and the channel estimation loss caused by punching the PDCCH DMRS can be effectively avoided.
Specifically, the preset threshold may be a threshold value for the speed that is set manually, and may be represented as a constant.
As an optional embodiment, the obtaining, by the base station, the moving speed of the terminal includes: the base station periodically measures the moving speed of the terminal. This may be advantageous to achieve the correct choice of collision mode.
Specifically, the base station periodically measures the moving speed of the terminal, and includes: the base station periodically measures the moving speed of the terminal based on a preset unit time length (e.g., 30 s).
As an alternative embodiment, the base station reduces the two types of spatial positions occupied by the demodulation reference signal, including: and the base station removes the second type of spatial position occupied by the demodulation reference signal belonging to the same frequency domain with the first type of spatial position. Therefore, the demodulation of the NR PDCCH on the OFDM symbol 1 can be realized through the PDCCH DMRS on the symbol 2, and the collision problem between the demodulation reference signal and the cell reference signal is fundamentally avoided.
Specifically, the two types of spatial positions occupied by the removed demodulation reference signal may be one or more, and the embodiments of the present application are not limited. For example, based on the example of table 1, if the signal collision problem is circumvented by reducing the class ii spatial positions occupied by the demodulation reference signals, the class ii spatial positions occupied by the DMRSs in the same column of the NR PDCCH search space as the LTE CRS may be removed, that is, may be represented as table 3, so that the signal collision problem may be fundamentally solved.
TABLE 3
Referring to fig. 2, fig. 2 schematically shows a sequence diagram of a signal collision processing method according to an embodiment of the present application. As shown in fig. 2, the signal collision processing method may include: step S210 to step S260. If the search space of the downlink control channel is configured in the first manner, step S210 is executed; if the search space of the downlink control channel is configured in the second manner, step S250 is performed.
Step S210: the base station acquires a physical cell identifier of a target cell of the terminal, and calculates a type of spatial position corresponding to a cell reference signal of the target cell according to the physical cell identifier.
Step S220: and the base station issues a target instruction for indicating signal avoidance to the terminal.
Step S230: and the terminal calculates the collision position between the demodulation reference signal and the cell reference signal based on the first-class spatial position and the second-class spatial position corresponding to the demodulation reference signal.
Step S240: and the terminal adjusts the two types of spatial positions of the demodulation reference signals in the collision position.
Step S250: the base station periodically measures the moving speed of the terminal. If the moving speed is greater than or equal to the preset threshold, executing step S260; if the moving speed is less than the preset threshold, step S210 is executed.
Step S260: and the base station removes the second type of spatial position occupied by the demodulation reference signal belonging to the same frequency domain with the first type of spatial position.
It should be noted that steps S210 to S260 correspond to the steps and the embodiment shown in fig. 1, and for the specific implementation of steps S210 to S260, please refer to the steps and the embodiment shown in fig. 1, which will not be described again.
It can be seen that, by implementing the method shown in fig. 2, the collision position can be calculated based on the first-class spatial position corresponding to the cell reference signal and the second-class spatial position corresponding to the demodulation reference signal, and the second-class spatial position of the demodulation reference signal is adjusted according to the collision position to solve the problem of signal collision, which is beneficial to improving the channel capacity and the coverage capability in a DSS (direct sequence spread spectrum) scenario.
Referring to fig. 3, fig. 3 schematically illustrates an architecture diagram of a signal collision handling system according to an embodiment of the present application. As shown in fig. 3, the signal collision processing system 300 may include:
a base station 301, configured to obtain a physical cell identifier of a target cell of the terminal 302, and calculate a type of spatial position corresponding to a cell reference signal of the target cell according to the physical cell identifier;
the base station 301 is configured to issue a target instruction for indicating signal avoidance to the terminal 302;
a terminal 302, configured to calculate a collision position between the demodulation reference signal and the cell reference signal based on the first-class spatial position and a second-class spatial position corresponding to the demodulation reference signal;
and the terminal 302 is used for adjusting the two types of spatial positions of the demodulation reference signals in the collision position.
It can be seen that, by implementing the system shown in fig. 3, the collision position can be calculated based on the first-class spatial position corresponding to the cell reference signal and the second-class spatial position corresponding to the demodulation reference signal, and the second-class spatial position of the demodulation reference signal is adjusted according to the collision position to solve the problem of signal collision, which is beneficial to improving the channel capacity and the coverage capability in a DSS (direct sequence spread spectrum) scenario.
Referring to fig. 4, fig. 4 schematically shows a block diagram of a signal collision processing apparatus according to an embodiment of the present application. The signal collision processing apparatus 400 corresponds to the method shown in fig. 1, and as shown in fig. 4, the signal collision processing apparatus 400 includes:
a location determining unit 401, configured to obtain a physical cell identifier of a target cell of a terminal, and calculate a type of spatial location corresponding to a cell reference signal of the target cell according to the physical cell identifier;
an instruction issuing unit 402, configured to issue a target instruction for indicating signal avoidance to a terminal;
a position calculating unit 403, configured to calculate a collision position between the demodulation reference signal and the cell reference signal based on the first-class spatial position and a second-class spatial position corresponding to the demodulation reference signal;
a position adjusting unit 404, configured to adjust the two types of spatial positions of the demodulation reference signal in the collision position.
It can be seen that, by implementing the apparatus shown in fig. 4, the collision position can be calculated based on the first-class spatial position corresponding to the cell reference signal and the second-class spatial position corresponding to the demodulation reference signal, and the second-class spatial position of the demodulation reference signal is adjusted according to the collision position to solve the problem of signal collision.
In an exemplary embodiment of the present application, the acquiring, by the location determining unit 401, a physical cell identifier of a target cell of a terminal includes:
if the search space of the downlink control channel is configured in the first manner, the location determining unit 401 obtains the physical cell id of the target cell of the terminal.
Therefore, by implementing the optional embodiment, the search space can be configured in a first mode, that is, in a high-speed transmission scene, a mode of moving the second-class spatial position can be adopted, the problem of signal collision is avoided, and the accuracy of channel estimation is improved.
In an exemplary embodiment of the present application, the apparatus further includes:
a moving speed obtaining unit, configured to obtain a moving speed of the terminal if the search space of the downlink control channel is configured in the second manner;
and the space reducing unit is used for reducing the two types of space positions occupied by the demodulation reference signal by the base station if the moving speed is greater than or equal to a preset threshold value.
Therefore, by implementing the optional embodiment, the problem of signal collision can be avoided by adopting a mode of reducing the two types of space positions in the second mode configuration of the search space, namely, in a low-speed transmission scene.
In an exemplary embodiment of the present application, the acquiring, by the location determining unit 401, a physical cell identifier of a target cell of a terminal includes:
if the moving speed is less than the preset threshold, the location determining unit 401 obtains the physical cell identifier of the target cell of the terminal.
Therefore, by implementing the optional embodiment, the problem of signal collision can be avoided by adopting a mode of moving the secondary spatial position when the moving speed is less than the preset threshold value, and the channel estimation loss caused by punching the PDCCH DMRS can be effectively avoided.
In an exemplary embodiment of the present application, the moving speed acquiring unit acquires a moving speed of the terminal, including:
the moving speed acquisition unit periodically measures the moving speed of the terminal.
It will be seen that implementing this alternative embodiment may be advantageous to achieve the correct choice of collision mode.
In an exemplary embodiment of the present application, the spatial reduction unit reduces two types of spatial positions occupied by the demodulation reference signal, including:
the spatial reduction unit removes a second type of spatial position occupied by the demodulation reference signal belonging to the same frequency domain as the first type of spatial position.
Therefore, by implementing the optional embodiment, the demodulation of the NR PDCCH on the OFDM symbol 1 can be realized through the PDCCH DMRS on the OFDM symbol 2, thereby fundamentally avoiding the collision problem between the demodulation reference signal and the cell reference signal.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the application. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
Since the functional modules of the signal collision processing device in the exemplary embodiment of the present application correspond to the steps of the exemplary embodiment of the signal collision processing method described above, please refer to the above-described embodiment of the signal collision processing method of the present application for details that are not disclosed in the embodiment of the device of the present application.
Referring to fig. 5, fig. 5 is a schematic diagram illustrating a computer system suitable for implementing an electronic device according to an embodiment of the present disclosure.
It should be noted that the computer system 500 of the electronic device shown in fig. 5 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in fig. 5, the computer system 500 includes a Central Processing Unit (CPU) 501 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 502 or a program loaded from a storage section 508 into a Random Access Memory (RAM) 503. In the RAM 503, various programs and data necessary for system operation are also stored. The CPU 501, ROM 502, and RAM 503 are connected to each other via a bus 504. An input/output (I/O) interface 505 is also connected to bus 504.
The following components are connected to the I/O interface 505: an input portion 506 including a keyboard, a mouse, and the like; an output portion 507 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage portion 508 including a hard disk and the like; and a communication section 509 including a network interface card such as a LAN card, a modem, or the like. The communication section 509 performs communication processing via a network such as the internet. A drive 510 is also connected to the I/O interface 505 as needed. A removable medium 511 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 510 as necessary, so that a computer program read out therefrom is mounted into the storage section 508 as necessary.
In particular, according to embodiments of the present application, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer-readable medium, the computer program comprising program code for performing the method illustrated by the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 509, and/or installed from the removable medium 511. The computer program performs various functions defined in the method and apparatus of the present application when executed by a Central Processing Unit (CPU) 501.
As another aspect, the present application also provides a computer-readable medium, which may be contained in the electronic device described in the above embodiments; or may exist separately without being assembled into the electronic device. The computer readable medium carries one or more programs which, when executed by an electronic device, cause the electronic device to implement the method described in the above embodiments.
It should be noted that the computer readable medium shown in the present application may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In this application, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present application may be implemented by software, or may be implemented by hardware, and the described units may also be disposed in a processor. Wherein the names of the elements do not in some way constitute a limitation on the elements themselves.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
Claims (10)
1. A signal collision processing method, comprising:
a base station acquires a physical cell identifier of a target cell of a terminal, and calculates a class of spatial positions corresponding to a cell reference signal of the target cell according to the physical cell identifier;
the base station issues a target instruction for indicating signal avoidance to the terminal;
the terminal calculates the collision position between the demodulation reference signal and the cell reference signal based on the first-class space position and a second-class space position corresponding to the demodulation reference signal;
and the terminal adjusts the two types of spatial positions of the demodulation reference signals in the collision position.
2. The method of claim 1, wherein the base station obtaining the physical cell identity of the target cell of the terminal comprises:
and if the search space of the downlink control channel is configured in a first mode, the base station acquires the physical cell identifier of the target cell of the terminal.
3. The method of claim 1, further comprising:
if the search space of the downlink control channel is configured in a second mode, the base station acquires the moving speed of the terminal;
and if the moving speed is greater than or equal to a preset threshold value, the base station reduces the second-class space position occupied by the demodulation reference signal.
4. The method of claim 3, wherein the base station acquiring the physical cell identity of the target cell of the terminal comprises:
and if the moving speed is less than the preset threshold value, the base station acquires the physical cell identifier of the target cell of the terminal.
5. The method of claim 3, wherein the base station obtains the moving speed of the terminal, and comprises:
the base station periodically measures the moving speed of the terminal.
6. The method of claim 3, wherein the base station reduces the two types of spatial positions occupied by the demodulation reference signal, comprising:
and the base station removes the second type of spatial positions occupied by the demodulation reference signals belonging to the same frequency domain with the first type of spatial positions.
7. A signal collision processing apparatus, characterized by comprising:
the terminal comprises a position determining unit, a position determining unit and a processing unit, wherein the position determining unit is used for acquiring a physical cell identifier of a target cell of the terminal and calculating a type of spatial position corresponding to a cell reference signal of the target cell according to the physical cell identifier;
the command issuing unit is used for issuing a target command for indicating signal avoidance to the terminal;
a position calculation unit, configured to calculate a collision position between the demodulation reference signal and the cell reference signal based on the first-class spatial position and a second-class spatial position corresponding to the demodulation reference signal;
a position adjusting unit, configured to adjust a class-two spatial position of the demodulation reference signal in the collision position.
8. A signal collision processing system, comprising:
the base station is used for acquiring a physical cell identifier of a target cell of the terminal and calculating a type of spatial position corresponding to a cell reference signal of the target cell according to the physical cell identifier;
the base station is used for issuing a target instruction for indicating signal avoidance to the terminal;
the terminal is used for calculating the collision position between the demodulation reference signal and the cell reference signal based on the first-class spatial position and the second-class spatial position corresponding to the demodulation reference signal;
and the terminal is used for adjusting the secondary space position of the demodulation reference signal in the collision position.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method of any one of claims 1-6.
10. An electronic device, comprising:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the method of any of claims 1-6 via execution of the executable instructions.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210938772.4A CN115297554A (en) | 2022-08-05 | 2022-08-05 | Signal collision processing method, device, system, medium and electronic equipment |
| PCT/CN2022/142974 WO2024027093A1 (en) | 2022-08-05 | 2022-12-28 | Signal collision processing method, apparatus, and system, medium, and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210938772.4A CN115297554A (en) | 2022-08-05 | 2022-08-05 | Signal collision processing method, device, system, medium and electronic equipment |
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| Publication Number | Publication Date |
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| CN115297554A true CN115297554A (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210938772.4A Pending CN115297554A (en) | 2022-08-05 | 2022-08-05 | Signal collision processing method, device, system, medium and electronic equipment |
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| CN (1) | CN115297554A (en) |
| WO (1) | WO2024027093A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024027093A1 (en) * | 2022-08-05 | 2024-02-08 | 中国电信股份有限公司 | Signal collision processing method, apparatus, and system, medium, and electronic device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933640A (en) * | 2017-05-24 | 2018-12-04 | 中兴通讯股份有限公司 | A kind of disturbance coordination method, terminal, base station and computer readable storage medium |
| WO2019103550A1 (en) * | 2017-11-24 | 2019-05-31 | 엘지전자 주식회사 | Method for transmitting or receiving downlink signal between terminal and base station in wireless communication system, and apparatus supporting same |
| CN112187694B (en) * | 2020-09-24 | 2022-10-28 | 国家无线电监测中心 | DMRS-based mobile phone terminal signal shielding method and system |
| WO2023123100A1 (en) * | 2021-12-29 | 2023-07-06 | 北京小米移动软件有限公司 | Method and apparatus for sending physical downlink control channel, and method and apparatus for receiving physical downlink control channel |
| CN115297554A (en) * | 2022-08-05 | 2022-11-04 | 中国电信股份有限公司 | Signal collision processing method, device, system, medium and electronic equipment |
-
2022
- 2022-08-05 CN CN202210938772.4A patent/CN115297554A/en active Pending
- 2022-12-28 WO PCT/CN2022/142974 patent/WO2024027093A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024027093A1 (en) * | 2022-08-05 | 2024-02-08 | 中国电信股份有限公司 | Signal collision processing method, apparatus, and system, medium, and electronic device |
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| WO2024027093A1 (en) | 2024-02-08 |
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