WO2023029860A1

WO2023029860A1 - Synchronization signal distribution method and apparatus, system and signal shielding device

Info

Publication number: WO2023029860A1
Application number: PCT/CN2022/109738
Authority: WO
Inventors: 洪攀峰; 邹少春
Original assignee: 浙江三维通信科技有限公司
Priority date: 2021-08-30
Filing date: 2022-08-02
Publication date: 2023-03-09
Also published as: CN113824529A

Abstract

Embodiments of the present invention provide a synchronization signal distribution method and apparatus, a system and a signal shielding device, the method comprising: acquiring a first synchronization signal collected by a first signal shielding device, wherein the first synchronization signal is used for carrying out synchronization control on data transmission of the first signal shielding device; performing signal conversion on the first synchronization signal to obtain a second synchronization signal; and forwarding the second synchronization signal, the second synchronization signal being used for performing synchronization control on data transmission of a second signal shielding device by using the second synchronization signal. The present invention solves the problem in the related technology that the synchronization success rate between the signal shielding devices is low, thereby achieving the effect of improving the synchronization success rate between the signal shielding devices.

Description

Synchronous signal distribution method, device, system and signal shielding device

This application claims the priority of the Chinese patent application with the application number 202111006219.9 and the title of the invention "Distribution method, device, system and signal shielding device for synchronous signal" submitted to the China Patent Office on August 30, 2021, the entire contents of which are incorporated by reference incorporated in this application.

technical field

Embodiments of the present invention relate to the communication field, and in particular, relate to a synchronization signal distribution method, device, system, and signal shielding device.

Background technique

In recent years, with the rapid development of information technology, communication signals have covered almost every area of life. For some specific places that need to shield communication signals, such as various examination rooms, prisons, courts, hospitals, military centers, etc., when it is necessary to shield signals (2G (2nd Generation, second generation mobile communication technology), 3G (3rd Generation, Third-generation mobile communication technology), 4G (4th Generation, fourth-generation mobile communication technology), 5G (5th Generation, fifth-generation mobile communication technology), WiFi) places usually set up signal shielding equipment to block specific areas normal communication within the communication network.

At present, when multiple signal shielding devices work at the same time, at least two synchronous distribution host devices are required to broadcast target timing information, and the broadcast coverage is limited. When any shielding device transmits an interference signal, the signal shielding device beyond the broadcast coverage is also If the downlink signal transmitted by the base station cannot be received, the uplink and downlink time slots of the base station cannot be analyzed, so that the signal shielding device beyond the broadcast coverage cannot perform the normal shielding function, which also affects the shielding effect, and it is difficult for each signal shielding device to Synchronized successfully.

Aiming at the problem in the related art that the synchronization success rate between signal shielding devices is low, no effective solution has been proposed yet.

Contents of the invention

Embodiments of the present invention provide a synchronization signal distribution method, device, system, and signal shielding device, so as to at least solve the problem of low synchronization success rate among signal shielding devices in the related art.

According to an embodiment of the present invention, a method for distributing a synchronization signal is provided, including: acquiring a first synchronization signal collected by a first signal shielding device, wherein the first synchronization signal is used to performing synchronous control on the data transmission of the signal shielding device; performing signal conversion on the first synchronous signal to obtain a second synchronous signal; forwarding the second synchronous signal, wherein the second synchronous signal is used to Two synchronous signals are used for synchronous control of the data transmission of the second signal shielding device.

In an exemplary embodiment, obtaining the first synchronization signal collected by the first signal shielding device includes: obtaining a set of synchronization signals collected by the first signal shielding device; In the case of including one synchronization signal, determine the one synchronization signal as the first synchronization signal; in the case of a plurality of synchronization signals in the synchronization signal set, according to the signal information of the plurality of synchronization signals The first synchronization signal is determined.

In an exemplary embodiment, determining the first synchronization signal according to signal information of the multiple synchronization signals includes: when the multiple synchronization signals include a target synchronization signal carrying target signal information, converting the The target synchronization signal is determined as the first synchronization signal, wherein the target signal information is used to indicate that the signal source of the target synchronization signal is a synchronization distribution master; when the multiple synchronization signals do not include the target In the case of the target synchronization signal of the signal information, the synchronization signal with the highest signal strength among the multiple synchronization signals is determined as the first synchronization signal.

In an exemplary embodiment, performing signal conversion on the first synchronization signal to obtain a second synchronization signal includes: acquiring device information of the first signal shielding device; adding the device information to the first synchronization signal In the signal, the second synchronization signal is obtained, wherein the device information is used to indicate that the signal source of the second synchronization signal is the first signal shielding device.

In an exemplary embodiment, forwarding the second synchronization signal includes: adjusting the transmitting frequency band of the first signal shielding device to a target frequency band, wherein the target frequency band is the same as the shielding frequency band of the first signal shielding device are different frequency bands; transmitting the second synchronization signal in the target frequency band.

According to yet another embodiment of the present invention, there is also provided a signal shielding device, including: an antenna and a processor, wherein the processor is configured to obtain the first synchronization signal collected by the antenna, wherein the The first synchronous signal is used to synchronously control the data transmission of the signal shielding device; signal conversion is performed on the first synchronous signal to obtain a second synchronous signal; the antenna is configured to collect the first synchronous signal, and forwarding the second synchronization signal, wherein the second synchronization signal is used for synchronously controlling the data transmission of the signal shielding device using the second synchronization signal.

According to yet another embodiment of the present invention, a synchronization signal distribution system is also provided, including: a synchronization distribution host and multiple signal shielding devices, wherein the synchronization distribution host is deployed outside the target shielding area, and the multiple The signal shielding device is deployed in the target shielding area; the synchronization distribution host is configured to transmit a synchronization signal to the coverage of the synchronization distribution host, wherein the synchronization signal transmitted by the synchronization distribution host is used for receiving The data transmission of the received signal shielding device is synchronously controlled; each signal shielding device in the plurality of signal shielding devices is set to collect a synchronous signal, obtain a first synchronous signal from the collected synchronous signal, and perform an operation on the first synchronous signal. A synchronization signal is converted to obtain a second synchronization signal, and the second synchronization signal is forwarded.

According to yet another embodiment of the present invention, there is also provided a synchronization signal distribution device, including: an acquisition module configured to acquire the first synchronization signal collected by the first signal shielding device, wherein the first synchronization signal The signal is used to synchronously control the data transmission of the first signal shielding device; the conversion module is configured to perform signal conversion on the first synchronization signal to obtain a second synchronization signal; the forwarding module is configured to forward the A second synchronization signal, wherein the second synchronization signal is used for synchronously controlling the data transmission of the second signal shielding device using the second synchronization signal.

According to yet another embodiment of the present invention, a computer-readable storage medium is also provided, and a computer program is stored in the computer-readable storage medium, wherein the computer program is configured to perform any one of the above methods when running Steps in the examples.

According to yet another embodiment of the present invention, there is also provided an electronic device, including a memory and a processor, wherein a computer program is stored in the memory, and the processor is configured to run the computer program to perform any of the above Steps in the method examples.

Through the embodiment of the present invention, by acquiring the first synchronization signal collected by the first signal shielding device, wherein the first synchronization signal is used to perform synchronous control on the data transmission of the first signal shielding device; signal the first synchronization signal Converting to obtain a second synchronization signal; forwarding the second synchronization signal, wherein the second synchronization signal is used to synchronize the data transmission of the second signal shielding device using the second synchronization signal, that is, to obtain the first signal shielding device The first synchronous signal collected for synchronous control of its data transmission is converted into a signal to obtain a second synchronous signal, and the second synchronous signal is forwarded, so that the second synchronous signal is adopted. The second signal shielding device of the signal can use the second synchronization signal to carry out synchronous control of its data transmission, so that each signal shielding device can convert and forward the synchronization signal it receives, increasing the range that the synchronization signal can cover Therefore, the problem of low synchronization success rate between signal shielding devices in the related art is solved, and the effect of improving the synchronization success rate between signal shielding devices is achieved.

Description of drawings

Fig. 1 is the block diagram of mobile terminal hardware structure of the method for distributing synchronous signal of the embodiment of the present invention;

2 is a flowchart of a method for distributing a synchronization signal according to an embodiment of the present invention;

3 is a schematic diagram of a synchronization signal distribution process according to an embodiment of the present invention;

4 is a schematic diagram of a process of distributing synchronization signals and shielding communication signals according to an embodiment of the present invention;

Fig. 5 is a structural diagram of a signal jammer according to an embodiment of the present invention;

6 is a schematic diagram of a synchronization signal distribution system according to an embodiment of the present invention;

Fig. 7 is a structural block diagram of an apparatus for distributing synchronization signals according to an embodiment of the present invention.

Detailed ways

Embodiments of the present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence.

The method embodiments provided in the embodiments of the present invention may be executed in mobile terminals, computer terminals or similar computing devices. Taking running on a mobile terminal as an example, FIG. 1 is a block diagram of a hardware structure of a mobile terminal according to a method for distributing a synchronization signal according to an embodiment of the present invention. As shown in Figure 1, the mobile terminal may include one or more (only one shown in Figure 1) processor 102 (the processor 102 may include but not limited to a microprocessor MCU (MicrocontrollerUnit, micro control unit) or programmable logic device FPGA (Field Programmable Gate Array, editable array logic) and other processing devices) and a memory 104 for storing data, wherein the above-mentioned mobile terminal may also include a transmission device 106 and an input and output device 108 for communication functions. Those skilled in the art can understand that the structure shown in FIG. 1 is only for illustration, and it does not limit the structure of the above mobile terminal. For example, the mobile terminal may also include more or fewer components than those shown in FIG. 1 , or have a different configuration from that shown in FIG. 1 .

The memory 104 can be used to store computer programs, for example, software programs and modules of application software, such as the computer program corresponding to the synchronization signal distribution method in the embodiment of the present invention, the processor 102 runs the computer program stored in the memory 104, thereby Executing various functional applications and data processing is to realize the above-mentioned method. The memory 104 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some instances, the memory 104 may include memory located remotely from the processor 102, and these remote memories may be connected to the mobile terminal through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

Transmission device 106 is used to receive or transmit data via a network. The aforementioned network example may include a wireless network provided by a mobile terminal's communication provider. In one example, the transmission device 106 includes a network interface controller (NIC for short), which can be connected to other network devices through a base station so as to communicate with the Internet. In an example, the transmission device 106 may be a radio frequency (Radio Frequency, RF for short) module, which is used to communicate with the Internet in a wireless manner.

In this embodiment, a method for distributing a synchronization signal is provided. FIG. 2 is a flowchart of a method for distributing a synchronization signal according to an embodiment of the present invention. As shown in FIG. 2 , the process includes the following steps:

Step S202, acquiring a first synchronization signal collected by the first signal shielding device, wherein the first synchronization signal is used to synchronously control the data transmission of the first signal shielding device;

Step S204, performing signal conversion on the first synchronization signal to obtain a second synchronization signal;

Step S206, forwarding the second synchronization signal, wherein the second synchronization signal is used for synchronously controlling the data transmission of the second signal shielding device using the second synchronization signal.

Through the above steps, the first synchronous signal collected by the first signal shielding device for synchronous control of its data transmission is obtained, and the signal conversion is performed on the first synchronous signal, thereby obtaining the second synchronous signal, and the second The synchronization signal is forwarded, so that the second signal shielding device using the second synchronization signal can use the second synchronization signal to perform synchronous control on its data transmission, so that each signal shielding device can convert and convert the received synchronization signal The forwarding increases the coverage range of the synchronization signal, so it solves the problem of low synchronization success rate between signal shielding devices in the related art, and achieves the effect of improving the synchronization success rate between signal shielding devices.

Optionally, in this embodiment, the synchronization signal distribution method may be, but not limited to, used to control the first signal shielding device, and the synchronization signal distribution method may be, but not limited to, a method implemented by the first signal shielding device. The function may also be that the device executing the synchronization signal distribution method is connected to the first signal shielding device to control the first signal shielding device.

In the technical solution provided in step S202 above, the first signal shielding device may be, but not limited to, every signal shielding device deployed in the shielding area. Each signal shielding device converts and forwards the synchronization signal it collects and uses to realize the synchronization of multiple signal shielding devices in a larger shielding area.

Optionally, in this embodiment, the first synchronization signal is a synchronization signal collected by the first signal shielding device and used to perform synchronization control on its data transmission. That is to say, the first signal shielding device may collect multiple synchronization signals, and the synchronization signal used by it may be regarded as the first synchronization signal.

In an optional embodiment, the first synchronization signal collected by the first signal shielding device may be obtained, but not limited to, in the following manner, and a set of synchronization signals collected by the first signal shielding device is obtained; If one synchronization signal is included in the synchronization signal set, the one synchronization signal is determined as the first synchronization signal; if a plurality of synchronization signals are included in the synchronization signal set, according to the plurality of synchronization signals The signal information identifies the first synchronization signal.

Optionally, in this embodiment, the synchronization signal collected by the first signal shielding device may include, but is not limited to, one or more synchronization signals, and the collected synchronization signals are used as a collection of synchronization signals, according to which one synchronization signal is included, In different cases of multiple synchronization signals, different methods are used to determine the first synchronization signal.

Optionally, in this embodiment, if the synchronization signal set includes a synchronization signal, this synchronization signal is determined as the first synchronization signal for conversion and forwarding. If the synchronous signal set includes multiple synchronous signals, a first synchronous signal is determined from the multiple synchronous signals according to the signal information of the synchronous signals.

In an optional embodiment, the first synchronization signal may be determined according to signal information of a plurality of synchronization signals in the following manner, but not limited to, when the plurality of synchronization signals include a target synchronization signal carrying target signal information , determining the target synchronization signal as the first synchronization signal, wherein the target signal information is used to indicate that the signal source of the target synchronization signal is a synchronization distribution master; when the multiple synchronization signals do not include In the case of the target synchronization signal of the target signal information, the synchronization signal with the highest signal strength among the multiple synchronization signals is determined as the first synchronization signal.

Optionally, in this embodiment, when receiving the synchronization signal from the synchronization distribution master and the synchronization signal sent by the signal shielding device at the same time, distinguish the synchronization signal information, determine that the synchronization signal from the synchronization distribution master is the first synchronization signal, and the signal shielding The device can choose to synchronously distribute the synchronous signal information sent by the host for synchronous control, as well as the conversion and forwarding of the synchronous signal.

Optionally, in this embodiment, one of the signal shielding devices simultaneously receives the different-frequency synchronization signals sent by multiple signal shielding devices, then the synchronization signal with the highest signal strength among the synchronization signals is determined as the first synchronization signal, The signal screening device is implemented by selecting the first synchronization signal as a nearby synchronization rule.

In the technical solution provided by step S204 above, the operation of signal conversion may include, but is not limited to, adding device information, modifying device information, deleting device information, and so on.

In an optional embodiment, the second synchronization signal can be obtained by performing signal conversion on the first synchronization signal, but not limited to: obtaining the device information of the first signal shielding device; adding the device information to The second synchronization signal is obtained from the first synchronization signal, wherein the device information is used to indicate that a signal source of the second synchronization signal is the first signal shielding device.

Optionally, in this embodiment, the above-mentioned device information may include, but is not limited to, the synchronization sequence or probe of the shielding device. The first signal shielding device adds the device information to the first synchronization signal to obtain a signal indicating that the shielding device sends The synchronization signal is distinguished from the synchronization signal sent by the synchronization distribution host, and the synchronization signal is determined as the second synchronization signal.

In the technical solution provided by the above step S206, the above-mentioned second synchronization signal can be used, but not limited to, for shielding devices outside the coverage of the synchronization distribution host, and can also be used to receive the second synchronization signal stronger than the synchronization distribution within the coverage of the synchronization distribution host. Shielding device for synchronization signals from the host.

Optionally, in this embodiment, the above-mentioned second synchronization signal may be, but not limited to, sent by the first shielding device to perform synchronous control on data transmission of the second signal shielding device.

In an optional embodiment, the second synchronization signal may be forwarded in the following manner but not limited to: adjusting the transmitting frequency band of the first signal shielding device to a target frequency band, wherein the target frequency band is the same as the first signal The shielded frequency bands of the shielding device are different frequency bands; the second synchronization signal is transmitted in the target frequency band.

Optionally, in this embodiment, the above-mentioned first signal shielding device converts the received first synchronization signal to obtain a second synchronization signal with device information of the first shielding device, and the first signal shielding device converts , the second synchronization signal is modulated to a different frequency band (a frequency band not in the mobile signal shielding range), and transmitted, which can be sent in the same period as the synchronization distribution host or in a different period.

Apparently, the above-described embodiments are only part of the embodiments of the present invention, not all of them.

The present invention is described below in conjunction with embodiment:

Fig. 3 is the synchronous signal distribution process schematic diagram according to the embodiment of the present invention, as shown in Fig. 4, synchronous distribution master 201 sends synchronous signal to its signal coverage area through target channel, and target channel can be wired or wireless form, if it is Wireless channel, the working frequency band of this wireless channel is not the same as the working frequency band of the signal jammer. The signal masker 101 uses the synchronization signal issued by the synchronization distribution host 201 to perform synchronization control and converts and forwards the received synchronization signal. Although the signal jammer 102 is within the signal coverage of the synchronization distribution master 201, it may fail to receive the synchronization signal of the synchronization distribution master 201 because it is at the edge of the range. Signal shielding device 102, the synchronous signal that signal shielding device 103 and signal shielding device 104 are used is the synchronous signal that signal shielding device 101 retransmits, and the synchronous signal that signal shielding device 106 uses is the synchronous signal that signal shielding device 103 retransmits, The synchronous signal used by signal shielding device 105, signal shielding device 107 and signal shielding device 108 is the synchronous signal transmitted by signal shielding device 104, and the synchronous signal used by signal shielding device 109 is the synchronous signal transmitted by signal shielding device 107, The synchronization signal used by the signal masker 110 is the synchronization signal forwarded by the signal masker 108 .

Through the above method, only one synchronization distribution host can realize accurate synchronization of signals of a large number of signal jammers in a wide range.

Fig. 4 is a schematic diagram of the distribution of synchronous signals and the shielding process of communication signals according to an embodiment of the present invention. As shown in Fig. 4, the synchronous distribution host receives Beidou or GPS (Global Positioning System, Global Positioning System) signals, which are processed by internal FPGA , the synchronization signal is sent through the synchronization module, and the signal jammer in the wireless coverage area of the synchronization distribution host receives the synchronization signal and uses the synchronization signal for synchronization control. At the same time, after the signal jammer in the wireless coverage area of the synchronization distribution host receives the synchronization signal For synchronization signal forwarding processing, the signal jammer outside the wireless coverage area of the synchronization distribution host receives the synchronization signal forwarded by the adjacent signal jammer, and finally makes all adjacent signal jammers synchronize the communication signal shielding.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on such an understanding, the technical solution of the present invention can be embodied in the form of a software product in essence or the part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM (Read-Only Memory, Read-only memory)/RAM (Random Access Memory, random access memory), magnetic disk, optical disk), including several instructions to make a terminal device (which can be a mobile phone, computer, server, or network device, etc.) execute this The methods described in the various embodiments of the invention.

In this embodiment, a signal shielding device is also provided, and the device includes: an antenna and a processor, wherein,

The processor is configured to acquire a first synchronization signal collected by the antenna, wherein the first synchronization signal is used to perform synchronization control on data transmission of the signal shielding device; performing signal conversion to obtain a second synchronization signal;

The antenna is configured to collect the first synchronization signal and forward the second synchronization signal, wherein the second synchronization signal is used for data transmission of the signal shielding device using the second synchronization signal synchronous control.

In an optional embodiment, the processor is further configured to: acquire a set of synchronization signals collected by the antenna; if the set of synchronization signals includes one synchronization signal, The signal is determined as the first synchronization signal; if the set of synchronization signals includes multiple synchronization signals, the first synchronization signal is determined according to signal information of the multiple synchronization signals.

In an optional embodiment, the processor is further configured to: if the multiple synchronization signals include a target synchronization signal carrying target signal information, determine the target synchronization signal as the first A synchronization signal, wherein the target signal information is used to indicate that the signal source of the target synchronization signal is a synchronization distribution master; when the multiple synchronization signals do not include the target synchronization signal carrying the target signal information In some cases, the synchronization signal with the highest signal strength among the multiple synchronization signals is determined as the first synchronization signal.

In an optional embodiment, the processor is further configured to: acquire device information of the first signal shielding device; add the device information to the first synchronization signal to obtain the second A synchronization signal, wherein the device information is used to indicate that the signal source of the second synchronization signal is the first signal shielding device.

In an optional embodiment, the antenna is further configured to: adjust the transmitting frequency band of the first signal shielding device to a target frequency band, wherein the target frequency band is different from the shielding frequency band of the first signal shielding device are different frequency bands; transmitting the second synchronization signal in the target frequency band.

FIG. 5 is a structural diagram of a signal jammer according to an embodiment of the present invention. As shown in FIG. 5 , antennas E3 and E4 are arranged on the signal jammer 100 . Antennas E3 and E4 are used for collecting synchronization signals and forwarding synchronization signals. The signal jammer 100 is used to obtain the synchronous signal collected by the antenna, and perform signal conversion on the synchronous signal.

In this embodiment, a synchronization signal distribution system is also provided, the system includes: a synchronization distribution host and a plurality of signal shielding devices, wherein, the synchronization distribution host is deployed outside the target shielding area, and the plurality of signal shielding devices The device is deployed in the target shielding area; the synchronization distribution host is configured to transmit a synchronization signal to the coverage of the synchronization distribution host, wherein the synchronization signal transmitted by the synchronization distribution host is used to respond to the received The data transmission of the signal shielding device is synchronously controlled; each signal shielding device in the plurality of signal shielding devices is set to collect a synchronous signal, obtain a first synchronous signal from the collected synchronous signal, and control the first synchronous Signal conversion is performed on the signal to obtain a second synchronization signal, and the second synchronization signal is forwarded.

Optionally, in this embodiment, the synchronization distribution host sends a synchronization signal to the shielding device within the coverage through the target channel. The target channel can be wired or wireless. If it is a wireless channel, the working frequency band of this wireless channel is not related to the signal The working frequency bands of the shielding devices are the same, and at least one signal shielding device can receive the synchronization signal sent by the synchronization signal host.

In an optional embodiment, each signal shielding device is further configured to: acquire a set of synchronization signals collected by each signal shielding device; if one synchronization signal is included in the set of synchronization signals, the The one synchronization signal is determined as the first synchronization signal; if the synchronization signal set includes multiple synchronization signals, the first synchronization signal is determined according to signal information of the multiple synchronization signals.

In an optional embodiment, each signal shielding device is further configured to: if the multiple synchronization signals include a target synchronization signal carrying target signal information, determine the target synchronization signal as the The first synchronization signal, wherein the target signal information is used to indicate that the signal source of the target synchronization signal is a synchronization distribution master; when the multiple synchronization signals do not include the target synchronization signal carrying the target signal information In the case of , the synchronization signal with the highest signal strength among the multiple synchronization signals is determined as the first synchronization signal.

In an optional embodiment, each signal shielding device is further configured to: acquire the device information of the first signal shielding device; add the device information to the first synchronization signal to obtain the first Two synchronization signals, wherein the device information is used to indicate that the signal source of the second synchronization signal is the first signal shielding device.

In an optional embodiment, each signal shielding device is further configured to: adjust the transmitting frequency band of the first signal shielding device to a target frequency band, wherein the target frequency band is the same as that of the first signal shielding device The shielded frequency bands are different frequency bands; the second synchronization signal is transmitted in the target frequency band.

Fig. 6 is the schematic diagram of the distribution system of synchronous signal according to the embodiment of the present invention, as shown in Fig. 6, synchronous signal distribution system is arranged according to cellular rules in a large area by a lot of signal shielding devices (being above-mentioned signal shielding equipment), The source of the synchronization signal comes from the synchronous distribution host outside the shielded area. The signal synchronization of the signal jammers in the shielded area is realized by cascading multiple machines adjacent to the signal jammer to forward the different-frequency synchronization signal, so that the signal is not covered by the synchronous distribution host. The signal jammers outside the area can also be synchronized in real time, so that the signal jammers beyond the coverage of the synchronization distribution host can perform normal shielding functions. At the moment when any signal jammer transmits an interference signal, the signal jammer normally receives the downlink signal of the nearby base station, and according to the processing function of the conventional jammer, sends the downlink interference signal to realize distributed shielding.

In this embodiment, a synchronization signal distribution device is also provided. FIG. 7 is a structural block diagram of a synchronization signal distribution device according to an embodiment of the present invention. As shown in FIG. 7, the device includes:

The obtaining module 72 is configured to obtain the first synchronization signal collected by the first signal shielding device, wherein the first synchronization signal is used to perform synchronous control on the data transmission of the first signal shielding device;

The conversion module 74 is configured to perform signal conversion on the first synchronization signal to obtain a second synchronization signal;

The forwarding module 76 is configured to forward the second synchronization signal, wherein the second synchronization signal is used for synchronously controlling the data transmission of the second signal shielding device using the second synchronization signal.

Through the above-mentioned device, the first synchronous signal collected by the first signal shielding device for synchronous control of its data transmission is obtained, and the signal conversion is performed on the first synchronous signal to obtain the second synchronous signal, and the second The synchronization signal is forwarded, so that the second signal shielding device using the second synchronization signal can use the second synchronization signal to perform synchronous control on its data transmission, so that each signal shielding device can convert and convert the received synchronization signal The forwarding increases the coverage range of the synchronization signal, so it solves the problem of low synchronization success rate between signal shielding devices in the related art, and achieves the effect of improving the synchronization success rate between signal shielding devices.

In an optional embodiment, the acquisition module includes: a first acquisition unit configured to acquire the synchronization signal set collected by the first signal shielding device; a first determination unit configured to In the case where one synchronization signal is included in the synchronization signal set, the one synchronization signal is determined as the first synchronization signal; the second determining unit is configured to include a plurality of synchronization signals in the synchronization signal set , determining the first synchronization signal according to signal information of the multiple synchronization signals.

In an optional embodiment, the second determining unit is configured to: if the multiple synchronization signals include a target synchronization signal carrying target signal information, determine the target synchronization signal as the first A synchronization signal, wherein the target signal information is used to indicate that the signal source of the target synchronization signal is a synchronization distribution master; when the multiple synchronization signals do not include the target synchronization signal carrying the target signal information In some cases, the synchronization signal with the highest signal strength among the multiple synchronization signals is determined as the first synchronization signal.

In an optional embodiment, the converting module includes: a second obtaining unit configured to obtain device information of the first signal shielding device; an adding unit configured to add the device information to the The second synchronization signal is obtained from the first synchronization signal, wherein the device information is used to indicate that a signal source of the second synchronization signal is the first signal shielding device.

In an optional embodiment, the forwarding module includes: an adjusting unit, configured to adjust the transmitting frequency band of the first signal shielding device to a target frequency band, wherein the target frequency band and the first signal shielding The shielded frequency bands of the device are different frequency bands; the transmitting unit is configured to transmit the second synchronization signal in the target frequency band.

It should be noted that the above-mentioned modules can be realized by software or hardware. For the latter, it can be realized by the following methods, but not limited to this: the above-mentioned modules are all located in the same processor; or, the above-mentioned modules can be combined in any combination The forms of are located in different processors.

Embodiments of the present invention also provide a computer-readable storage medium, in which a computer program is stored, wherein the computer program is set to execute the steps in any one of the above method embodiments when running.

In an exemplary embodiment, the above-mentioned computer-readable storage medium may include but not limited to: U disk, read-only memory (Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as RAM) , mobile hard disk, magnetic disk or optical disk and other media that can store computer programs.

An embodiment of the present invention also provides an electronic device, including a memory and a processor, where a computer program is stored in the memory, and the processor is configured to run the computer program to perform the steps in any one of the above method embodiments.

In an exemplary embodiment, the electronic device may further include a transmission device and an input and output device, wherein the transmission device is connected to the processor, and the input and output device is connected to the processor.

For examples in this embodiment, reference may be made to the examples described in the foregoing embodiments and exemplary implementation manners, and details will not be repeated here in this embodiment.

Obviously, those skilled in the art should understand that each module or each step of the above-mentioned present invention can be realized by a general-purpose computing device, and they can be concentrated on a single computing device, or distributed in a network formed by multiple computing devices In fact, they can be implemented in program code executable by a computing device, and thus, they can be stored in a storage device to be executed by a computing device, and in some cases, can be executed in an order different from that shown here. Or described steps, or they are fabricated into individual integrated circuit modules, or multiple modules or steps among them are fabricated into a single integrated circuit module for implementation. As such, the present invention is not limited to any specific combination of hardware and software.

The above descriptions are only optional embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the principle of the present invention shall be included in the protection scope of the present invention.

Claims

A method for distributing a synchronization signal, comprising:

Obtaining a first synchronization signal collected by the first signal shielding device, wherein the first synchronization signal is used to synchronously control the data transmission of the first signal shielding device;

performing signal conversion on the first synchronization signal to obtain a second synchronization signal;

forwarding the second synchronization signal, wherein the second synchronization signal is used for synchronously controlling the data transmission of the second signal shielding device using the second synchronization signal.
The method according to claim 1, wherein obtaining the first synchronization signal collected by the first signal shielding device comprises:

Obtain a set of synchronization signals collected by the first signal shielding device;

If one synchronization signal is included in the set of synchronization signals, determining the one synchronization signal as the first synchronization signal;

If the synchronization signal set includes multiple synchronization signals, the first synchronization signal is determined according to signal information of the multiple synchronization signals.
The method according to claim 2, wherein determining the first synchronization signal according to signal information of the plurality of synchronization signals comprises:

If the multiple synchronization signals include a target synchronization signal carrying target signal information, determine the target synchronization signal as the first synchronization signal, where the target signal information is used to indicate the target synchronization The signal source of the signal is the synchronous distribution host;

If the multiple synchronization signals do not include the target synchronization signal carrying the target signal information, determining a synchronization signal with the highest signal strength among the multiple synchronization signals as the first synchronization signal.
The method according to claim 1, wherein performing signal conversion on the first synchronization signal to obtain a second synchronization signal comprises:

acquiring device information of the first signal shielding device;

Adding the device information to the first synchronization signal to obtain the second synchronization signal, wherein the device information is used to indicate that a signal source of the second synchronization signal is the first signal shielding device.
The method according to any one of claims 1 to 4, wherein forwarding the second synchronization signal comprises:

Adjusting the transmitting frequency band of the first signal shielding device to a target frequency band, wherein the target frequency band is different from the shielding frequency band of the first signal shielding device;

Transmitting the second synchronization signal in the target frequency band.
A signal shielding device, comprising: an antenna and a processor, wherein,

The processor is configured to acquire a first synchronization signal collected by the antenna, wherein the first synchronization signal is used to perform synchronization control on data transmission of the signal shielding device; performing signal conversion to obtain a second synchronization signal;

The antenna is configured to collect the first synchronization signal and forward the second synchronization signal, wherein the second synchronization signal is used for data transmission of the signal shielding device using the second synchronization signal synchronous control.
A distribution system for synchronous signals, comprising: a synchronous distribution host and a plurality of signal shielding devices, wherein,

The synchronous distribution host is deployed outside the target shielding area, and the multiple signal shielding devices are deployed in the target shielding area;

The synchronization distribution host is configured to transmit a synchronization signal within the coverage of the synchronization distribution host, wherein the synchronization signal transmitted by the synchronization distribution host is used for synchronous control of the data transmission of the received signal shielding device;

Each signal shielding device in the plurality of signal shielding devices is configured to collect a synchronization signal, obtain a first synchronization signal from the collected synchronization signal, perform signal conversion on the first synchronization signal, and obtain a second synchronization signal , and forward the second synchronization signal.
A device for distributing synchronous signals, comprising:

An acquisition module, configured to acquire a first synchronization signal collected by the first signal shielding device, wherein the first synchronization signal is used for synchronously controlling the data transmission of the first signal shielding device;

a conversion module configured to perform signal conversion on the first synchronization signal to obtain a second synchronization signal;

The forwarding module is configured to forward the second synchronization signal, wherein the second synchronization signal is used for synchronously controlling the data transmission of the second signal shielding device using the second synchronization signal.
A computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium, wherein, when the computer program is executed by a processor, the steps of the method described in any one of claims 1 to 5 are implemented .
An electronic device, comprising a memory, a processor, and a computer program stored on the memory and operable on the processor, when the processor executes the computer program, any one of claims 1 to 5 is realized The steps of the method described in item.