CN113891366A - Method, device, equipment, system and storage medium for controlling relay equipment - Google Patents

Method, device, equipment, system and storage medium for controlling relay equipment Download PDF

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CN113891366A
CN113891366A CN202111204329.6A CN202111204329A CN113891366A CN 113891366 A CN113891366 A CN 113891366A CN 202111204329 A CN202111204329 A CN 202111204329A CN 113891366 A CN113891366 A CN 113891366A
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signal
relay
relay device
unit
power value
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CN113891366B (en
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杨艳
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)

Abstract

The invention discloses a control method, a device, equipment, a system and a storage medium of relay equipment, relating to the technical field of communication and being used for avoiding interference of a repeater to surrounding base stations and improving user experience, comprising the following steps: determining a signal source of the UE and a location category of the UE; the signal source of the UE comprises relay equipment and base station equipment, and the position category is used for indicating whether the UE is located in a city; generating a combined signal containing a pulse signal and sending the combined signal to the relay equipment under the condition that the signal source of the UE is the relay equipment and the position type indicates that the UE is located in the city, or under the condition that the signal source of the UE is the base station equipment and the position type indicates that the UE is not located in the city; the pulse signal is used for indicating the relay equipment to change the working state of a signal relay module in the relay equipment. The embodiment of the invention is applied to a communication system.

Description

Method, device, equipment, system and storage medium for controlling relay equipment
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, a system, and a storage medium for controlling a relay device.
Background
In order to make the fifth generation mobile communication technology (5G) network cover high-speed rail, getting on the train of the base station has become a trend. Specifically, for example, in a high-speed rail, an operator may deploy a repeater at the top of a car of the high-speed rail, relay and amplify the received signal through the repeater, and forward the amplified signal, so as to avoid communication quality degradation caused by penetration loss of the car, and finally realize that a 5G network covers the high-speed rail.
However, since the repeater amplifies and transmits the signal, the amplified signal may generate a large amount of interference, which may cause breakdown of the base station around the high-speed rail. Therefore, how to avoid interference of the repeater to surrounding base stations when the 5G network is implemented to cover high-speed rails becomes a problem to be solved urgently.
Disclosure of Invention
The invention provides a control method, a device, equipment, a system and a storage medium of relay equipment, which can avoid interference of a repeater to surrounding base stations when a 5G network covers a high-speed rail finally.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, a method for controlling a relay device is applied to a User Equipment (UE), and includes: determining a signal source of the UE and a location category of the UE; the signal source of the UE comprises relay equipment and base station equipment, and the position category is used for indicating whether the UE is located in a city; generating a combined signal containing a pulse signal and sending the combined signal to the relay equipment under the condition that the signal source of the UE is the relay equipment and the position type indicates that the UE is located in the city, or under the condition that the signal source of the UE is the base station equipment and the position type indicates that the UE is not located in the city; the pulse signal is used for indicating the relay equipment to change the working state of a signal relay module in the relay equipment.
In a possible implementation manner, the determining the location category of the UE includes: acquiring the position of UE, and acquiring map information of an area where the UE is located according to the position of the UE; and when the density of the buildings in the map is greater than or equal to a preset threshold value, determining that the position category of the UE indicates that the UE is located in the city.
In a possible implementation manner, when the signal source of the UE is the relay device and the location type indicates that the UE is located in the city, the pulse signal is specifically used to indicate the relay device to control the signal relay module to enter the sleep state; when the signal source of the UE is the base station device and the location type indicates that the UE is not located in the city, the pulse signal is specifically used to indicate the relay device to control the signal relay module to enter the operating state.
In a possible implementation manner, the generating the combined signal including the pulse signal includes: acquiring a frequency conversion signal to be transmitted, and determining a first power value of the frequency conversion signal, wherein the first power value is used for representing the average power of the frequency conversion signal in a unit bandwidth; generating a pulse signal based on the first power value; the power of the pulse signal is a first power value; the position of the pulse signal is determined, and the frequency converted signal and the pulse signal are combined based on the position of the pulse signal to generate a combined signal.
In a second aspect, a method for controlling a relay device is provided, and is applied to the relay device, and includes: receiving an air interface signal, and determining that the air interface signal comprises a variable frequency signal and a pulse signal; respectively determining a first power value and a second power value; the first power value is used for representing the average power of the variable frequency signal in a unit bandwidth, and the second power value is used for representing the power of the pulse signal; and controlling a signal relay module of the relay equipment to change the working state under the condition that the ratio of the second power value to the first power value is within a preset range.
In a third aspect, a control apparatus for a relay device is provided, and is applied to a user equipment UE, and includes: a determining unit, a generating unit and a transmitting unit; a determining unit, configured to determine a signal source of the UE and a location category of the UE; the signal source of the UE comprises relay equipment and base station equipment, and the position category is used for indicating whether the UE is located in a city; a generating unit, configured to generate a combined signal including a pulse signal when the determining unit determines that the signal source of the UE is the relay device and the location type indicates that the UE is located in the city, or when the determining unit determines that the signal source of the UE is the base station device and the location type indicates that the UE is not located in the city; a transmission unit configured to transmit the combined signal generated by the generation unit to the relay apparatus; the pulse signal is used for indicating the relay equipment to change the working state of a signal relay module in the relay equipment.
In one possible implementation, the control device further includes an obtaining unit; the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring the position of the UE and acquiring the map information of the area where the UE is located according to the position of the UE; and the determining unit is specifically configured to determine that the location category of the UE indicates that the UE is located in the city when the density of the buildings in the map is greater than or equal to a preset threshold.
In a possible implementation, the control device further comprises an indication unit; the indicating unit is used for specifically indicating the relay equipment to control the signal relay module to enter a dormant state under the condition that the signal source of the UE is the relay equipment and the position type indicates that the UE is located in a city; and the indicating unit is used for specifically indicating the relay equipment to control the signal relay module to enter the running state under the condition that the signal source of the UE is the base station equipment and the position type indicates that the UE is not located in the city.
In a possible implementation manner, the acquiring unit is configured to acquire a frequency conversion signal to be transmitted; the determining unit is further used for determining a first power value of the frequency conversion signal acquired by the acquiring unit, wherein the first power value is used for representing the average power of the frequency conversion signal in a unit bandwidth; the generating unit is also used for generating a pulse signal based on the first power value; the determining unit is also used for determining the position of the pulse signal; and the generating unit is specifically used for combining the frequency conversion signal and the pulse signal based on the position of the pulse signal so as to generate a combined signal.
In a fourth aspect, a control device for a relay device is provided, which is applied to the relay device and includes: a receiving unit, a determining unit and a control unit; a receiving unit, configured to receive an air interface signal; the determining unit is used for determining that the air interface signal received by the receiving unit comprises a variable frequency signal and a pulse signal; the determining unit is further used for respectively determining a first power value and a second power value; the first power value is used for representing the average power of the variable frequency signal in a unit bandwidth, and the second power value is used for representing the power of the pulse signal; and the control unit is used for controlling the signal relay module of the relay equipment to change the working state under the condition that the ratio of the second power value to the first power value is within a preset range.
In a fifth aspect, there is provided a computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a relay device, cause the relay device to perform the method of controlling the relay device of any one of the first aspect, or instructions, which when executed by the relay device, cause the relay device to perform the method of controlling the relay device of the second aspect.
In a sixth aspect, a UE is provided, including: a processor and a memory; wherein the memory is used for storing one or more programs, the one or more programs comprising computer executable instructions, and when the UE is running, the processor executes the computer executable instructions stored by the memory, so as to make the UE execute the control method of the relay device of the first aspect.
In a seventh aspect, a relay device is provided, including: a processor and a memory; wherein the memory is used for storing one or more programs, the one or more programs comprising computer executable instructions, and when the relay device is running, the processor executes the computer executable instructions stored by the memory to make the relay device execute the control method of the relay device of the second aspect.
An eighth aspect provides a communication system, including a user equipment UE and a relay device, where the UE is connected to the relay device; the UE is configured to perform the method for controlling the relay device in the first aspect, and the relay device is configured to perform the method for controlling the relay device in the second aspect.
According to the control method, the device, the equipment, the system and the storage medium of the relay equipment, the signal source of the user equipment and the position type of the UE are determined firstly, and the position type is used for indicating whether the UE is located in a city or not, and the signal source of the UE comprises the relay equipment and the base station equipment, so that the state of a relay module can be controlled according to the indication conditions of the signal source and the position type of the UE. Generating a combined signal containing a pulse signal and sending the combined signal to the relay equipment under the condition that the signal source of the UE is the relay equipment and the position type indicates that the UE is located in the city, or under the condition that the signal source of the UE is the base station equipment and the position type indicates that the UE is not located in the city; the pulse signal is used for indicating the relay equipment to change the working state of a signal relay module in the relay equipment. That is, in the case where the relay module of the relay device is in an operating state and is located in a city, the relay module of the relay device is controlled to enter a sleep state. Namely, the repeater enters a dormant state and stops the work of signal relay, thereby effectively avoiding the interference problem of the repeater on the dense area of the base station. Under the condition that the relay module of the relay equipment is in a dormant state and is not located in a city, the relay module of the relay equipment is controlled to enter an operating state, and signals of the UE and the base station are received and amplified through the relay module of the relay equipment, so that a large amount of penetration loss is reduced, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural diagram of a communication system according to an embodiment of the present invention;
fig. 2 is a first flowchart illustrating a method for controlling a relay device according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a second method for controlling a relay device according to an embodiment of the present invention;
fig. 4 is a third schematic flowchart of a method for controlling a relay device according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a combined signal according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a method for controlling a relay device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a control device of a relay device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a control device of a relay device according to an embodiment of the present invention;
fig. 9 is a first schematic structural diagram of a user equipment according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, "/" means "or" unless otherwise specified, for example, a/B may mean a or B. "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. Further, "at least one" or "a plurality" means two or more. The terms "first", "second", and the like do not necessarily limit the number and execution order, and the terms "first", "second", and the like do not necessarily limit the difference.
The control method of the relay device provided by the embodiment of the invention can be suitable for a communication system. Fig. 1 shows a schematic structural diagram of the communication system. As shown in fig. 1, the communication system 10 is used to avoid interference of a repeater to surrounding base stations, reduce a large amount of penetration loss, and improve user experience. The communication system 10 includes a relay apparatus 11 and a UE 12. The relay apparatus 11 is connected to the UE 12. The relay device 11 and the UE12 may be connected in a wired manner or in a wireless manner, which is not limited in the embodiment of the present invention.
The relay device 11 may be used to amplify and retransmit the transmitted signal, so that signal attenuation due to penetration loss may be avoided, thereby effectively improving the reliability of transmission.
The relay device 11 includes a signal relay module and other functional modules. The signal relay module is used for transmitting the amplified signal.
In practical application, the relay device 11 may be a repeater, or may be other devices having a relay function, which is not specifically limited in this embodiment of the present invention.
The UE12 may be a mobile terminal or a Personal Computer (PC) used by a user on a high-speed rail. Such as a smart phone, a Personal Digital Assistant (PDA), a tablet computer, a laptop computer, a car computer (carputer), a handheld game console, smart glasses, a smart watch, a wearable device, a virtual display device or a display enhancement device (e.g., Google Glass, Oculus Rift, Hololens, Gear VR), etc.
The UE12 includes an information acquisition module, a comprehensive processing module, a wave pattern sorting module, and other functional modules. The information acquisition module is used for completing information acquisition. And the comprehensive processing module is used for finishing changing the indication information of the relay equipment according to the information acquired by the information acquisition module. And the wave type arrangement module is used for carrying out wave type integration according to the indication information in the comprehensive processing module.
The UE12 may also be used to determine the location class of the UE12 and the signal origin of the UE 12. In a case where the signal source of the UE12 is a relay apparatus and the location type indicates that the UE12 is located in a city, or in a case where the signal source of the UE is a base station apparatus and the location type indicates that the UE12 is not located in a city, a combined signal including a pulse signal is generated and the combined signal is transmitted to the relay apparatus 11. The pulse signal is used to instruct the relay device 11 to change the operating state of the signal relay module in the relay device 11.
Fig. 2 is a flowchart illustrating a method of controlling a relay device according to some example embodiments. In some embodiments, the method for controlling a relay device may be applied to a control apparatus of a relay device, a UE including the control apparatus of the relay device, or other similar devices or modules.
As shown in fig. 2, a method for controlling a relay device according to an embodiment of the present invention includes the following steps S201 to S203.
S201, the UE determines the signal source of the UE and the position category of the UE.
The signal source of the UE includes a relay device and a base station device, and the location category is used to indicate whether the UE is located in a city.
Note that the location type is a type of a location where the UE is located at the current time. The signal source is a source of a signal received by the UE at the current time.
As a possible implementation manner, the UE may acquire the location of the UE through the positioning acquisition module, and download, through the map acquisition module, map information that takes the location of the UE as a circle center and takes a preset threshold as a radius. Further, the integrated processing module of the UE may determine the location category of the UE based on the obtained map information.
The detailed implementation of this step may refer to the following description of the embodiment of the present invention, and is not described herein again.
As a possible implementation manner, the UE may analyze the current signal source through its access signal identification module, so as to determine the signal source of the UE.
Specifically, the downlink data signal received by the UE has a preset information source identifier. The UE may obtain the information source identifier from the received downlink data signal, and determine whether the downlink data signal received by the UE is from the relay device according to the obtained information source identifier.
It should be noted that the preset information source identifier may be set in the transmission protocol by the operation and maintenance staff in advance.
For example, an operation and maintenance person may set an R identifier in a media access control (MCA) header of a transport protocol, and the relay device re-encapsulates the MAC layer information with the R identifier and then sends the MAC layer information to the UE. The UE analyzes the signal source by using the access signal identification module. If the encapsulated MAC layer information comprises the R identifier, the UE determines that the signal source of the received downlink data signal is the relay equipment; if the encapsulated MAC layer information does not include the R flag, the UE determines that the signal source of the received downlink data signal is the base station device.
S202, if the signal source of the UE is the relay device and the location type indicates that the UE is located in the city, or if the signal source of the UE is the base station device and the location type indicates that the UE is not located in the city, the UE generates a combined signal including the pulse signal.
The pulse signal is used for indicating the relay equipment to change the working state of a signal relay module in the relay equipment.
As a possible implementation manner, in the case that the UE determines that the signal source of the UE is the relay device and the location category indicates that the UE is located in the city, the UE generates the combined signal containing the impulse signal.
Or, in case that the signal source of the UE is determined to be the base station device and the location category indicates that the UE is not located in the city, the UE generates a combined signal containing the impulse signal.
The detailed implementation of this step may refer to the following description of the embodiment of the present invention, and is not described herein again.
S203, the UE transmits the combined signal to the relay device.
As a possible implementation manner, the UE transmits the combined signal to the relay device through a Physical Uplink Control Channel (PUCCH).
Accordingly, the relay device receives the combined signal.
Further, the relay device determines whether the combined signal contains a pulse signal, and changes an operating state of a signal relay module in the relay device in a case where it is determined that the combined signal contains the pulse signal.
It can be understood that, in the case that the UE determines that the signal source of the UE is the relay device and the location type indicates that the UE is not located in the city, it indicates that in the base station sparse area, the signals of the UE and the base station have been received and amplified by using the relay module of the relay device, so that a large amount of penetration loss is reduced, and in this case, the UE continues the current communication mode.
Or, when the UE determines that the signal source of the UE is the base station device and the location type indicates that the UE is located in the city, it indicates that the relay module of the relay device has entered the sleep state in the dense area of the base station, so as to avoid the interference problem of the repeater to the dense area of the base station, and in this case, the UE continues the current communication mode.
According to the control method, the device, the equipment, the system and the storage medium of the relay equipment, the signal source of the UE and the position type of the UE are determined firstly, and the position type is used for indicating whether the UE is located in a city or not, and the signal source of the UE comprises the relay equipment and the base station equipment, so that the state of a relay module can be controlled according to the indication conditions of the signal source and the position type of the UE. And generating a combined signal containing the pulse signal and sending the combined signal to the relay equipment under the condition that the signal source of the UE is the relay equipment and the position type indicates that the UE is located in the city, or under the condition that the signal source of the UE is the base station equipment and the position type indicates that the UE is not located in the city. The pulse signal is used for indicating the relay equipment to change the working state of a signal relay module in the relay equipment. That is, in the case where the relay module of the relay device is in an operating state and is located in a city, the relay module of the relay device is controlled to enter a sleep state. Namely, the repeater enters a dormant state and stops the work of signal relay, thereby effectively avoiding the interference problem of the repeater on the dense area of the base station. Under the condition that the relay module of the relay equipment is in a dormant state and is not located in a city, the relay module of the relay equipment is controlled to enter an operating state, and signals of the UE and the base station are received and amplified through the relay module of the relay equipment, so that a large amount of penetration loss is reduced, and the user experience is improved.
In one design, in order to determine the location category of the UE, as shown in fig. 3, S201 provided in the embodiment of the present invention may specifically include the following S2011-S2013.
S2011, the UE acquires the location of the UE.
As a possible implementation manner, the UE may acquire the location of the UE from a Global Positioning System (GPS) through a location acquisition module.
It should be noted that the location of the UE may be its longitude and latitude.
S2012, the UE acquires the map information of the area where the UE is located according to the position of the UE.
As a possible implementation manner, the UE determines an area where the UE is located, with the acquired position as a center of a circle and a preset threshold as a radius. Further, the UE acquires the map information in the area from a preset map information system.
For example, the preset threshold may be 1 km.
It should be noted that the map information may include the density of buildings in the area where the UE is located, and may also include information such as population density and base station density.
S2013, the UE judges whether the density of the buildings in the map is larger than or equal to a preset threshold value.
As a possible implementation manner, the UE obtains the density of the buildings in the map, and determines whether the density is greater than or equal to a preset threshold.
It should be noted that the preset threshold may be preset in the UE.
S2014, under the condition that the density degree of the buildings in the map is larger than or equal to a preset threshold value, the UE determines that the position type of the UE indicates that the UE is located in the city.
It can be understood that the UE determines the location category of the UE according to the density of buildings in the map information.
As a possible implementation manner, when the density of the buildings in the map is greater than or equal to a preset threshold, the UE determines that the location category of the UE indicates that the UE is located in the city.
S2015, in case that the density of the buildings in the map is less than a preset threshold, the UE determines that the location category of the UE indicates that the UE is not located in a city.
Optionally, the UE may also determine the location type of the UE according to information such as the population density and the base station density in the map information.
Optionally, the UE may further obtain a historical position of the UE at the historical time, and determine a moving direction of the UE at the current time according to the historical position and the position of the UE at the current time. Further, after obtaining the map information, the UE determines the location type of the UE according to the density of the buildings in the moving direction in the map information.
In a design, a relay device is instructed to control a state change of a signal relay module, in a control method of a relay device provided in an embodiment of the present invention, when a signal source of a UE is the relay device and a location type indicates that the UE is located in a city, a pulse signal in a combined signal sent by the UE is specifically used to instruct the relay device to control the signal relay module to enter a sleep state.
For example, in a case that the signal source of the UE is the relay device and the location type indicates that the UE is located in a city, the UE sends a combined signal including a pulse signal to the relay device to instruct the relay device to control the signal relay module to enter the sleep state from the running state.
Accordingly, the relay device receives the combined signal and determines whether the combined signal contains a pulse signal. Further, the relay device controls the signal relay module to enter the sleep state from the running state under the condition that the relay device determines that the combined signal contains the pulse signal.
In another case, if the combined signal does not include the pulse signal, the relay device maintains the current operating state.
When the signal source of the UE is the base station device and the location type indicates that the UE is not located in the city, the pulse signal in the combined signal sent by the UE is specifically used to indicate the relay device to control the signal relay module to enter the operating state.
For example, in the case that the signal source of the UE is the base station device and the location type indicates that the UE is not located in a city, the UE sends a combined signal including a pulse signal to the relay device to instruct the relay device to control the signal relay module to enter the operating state from the sleep state.
Accordingly, the relay device receives the combined signal and determines whether the combined signal contains a pulse signal. Further, the relay device controls the signal relay module to enter the running state from the sleep state under the condition that the combined signal is determined to contain the pulse signal.
In another case, if the combined signal does not include the pulse signal, the relay device maintains the current operating state.
In one design, in order to generate a combined signal including a target pulse signal, as shown in fig. 4, S202 provided in the embodiment of the present invention may specifically include following S2021 to S2025.
S2021, the UE obtains a frequency conversion signal to be sent.
As a possible implementation manner, the UE performs frequency conversion processing on a signal to be transmitted to generate a frequency-converted signal.
S2022, the UE determines a first power value of the frequency conversion signal.
Wherein the first power value is used for representing the average power of the frequency-converted signal in a unit bandwidth.
As a possible implementation manner, the UE analyzes the frequency-converted signal to determine a center frequency point, a bandwidth, and a power of each frequency point of the frequency-converted signal, so as to determine a first power value.
Specifically, the UE determines the first power value based on the center frequency point and the bandwidth of the variable frequency signal, the power of each frequency point in the variable frequency signal, and the following formula one:
Figure BDA0003306213660000101
wherein the content of the first and second substances,
Figure BDA0003306213660000102
is a first power value, f0Is the central frequency point of the frequency conversion signal, W is the bandwidth of the frequency conversion signal, PcF is the frequency point of the frequency conversion signal, and H is the power of the frequency conversion signal.
Illustratively, fig. 5 shows a schematic diagram of a frequency converted signal. As shown in FIG. 5, the center frequency point of the frequency-converted signal is f0The bandwidth is W, the power of the central frequency point is H, and the first power value is a shaded portion in the figure.
S2023, the UE generates a pulse signal based on the first power value.
The power of the pulse signal is a first power value.
As a possible implementation, the UE determines the first power value as the power of the pulse signal.
S2024, the UE determines the position of the pulse signal.
As a possible implementation manner, the UE parses the frequency-converted signal to obtain a first side lobe frequency point and a second side lobe frequency point of the frequency-converted signal. Further, the UE determines the position of the pulse signal in the frequency conversion signal based on the size of the first side lobe frequency point and the size of the second side lobe frequency point.
The first side lobe frequency point is a central frequency point of a first side lobe, the second side lobe frequency point is a central frequency point of a second side lobe, and the first side lobe and the second side lobe are positioned on the same side of the central frequency point of the variable frequency signal. The power of the first side lobe frequency point is larger than that of the second side lobe frequency point.
Illustratively, as shown in fig. 5, when the first side lobe and the second side lobe are both located at the left side of the center frequency point of the frequency-converted signal, the frequency point of the first side lobe is-f1The second side lobe frequency point is-f2. When the first side lobe and the second side lobe are both positioned at the right side of the central frequency point of the frequency conversion signal, the frequency point of the first side lobe is f1The second sidelobe frequency point may be f2。
In one case, as shown in fig. 4, if the first side lobe and the second side lobe are both located on the left side of the center frequency point of the frequency-converted signal, and the frequency point of the first side lobe is greater than the frequency point of the second side lobe, the position of the pulse signal satisfies the following formula two:
fpulse of light＝f1-f2Formula two
Wherein f isPulse of lightFor the position of the pulse signal, f1Is the first side lobe frequency point, f2And the second sidelobe frequency point is obtained.
In another case, as shown in fig. 4, if the first side lobe and the second side lobe are both located on the right side of the center frequency point of the frequency-converted signal, and the first side lobe frequency point is smaller than the second side lobe frequency point, the position of the pulse signal satisfies the following formula two:
fpulse of light＝f2-f1Formula two
Wherein f isPulse of lightFor the position of the pulse signal, f1Is the first side lobe frequency point, f2And the second sidelobe frequency point is obtained.
In practical application, the position of the pulse signal may be located on the left side of the central frequency point of the variable frequency signal, or may be located on the right side of the central frequency point of the variable frequency signal. The number of the pulse signals can be two, and the pulse signals can be simultaneously positioned on the left side and the right side of the central frequency point of the frequency conversion signal.
It can be understood that, no matter the number of the pulse signals, the position of the pulse signals is in the middle of the first side lobe and the second side lobe, namely, the position where the signal strength of the frequency conversion signal is weakest, so as to avoid the interference of the inserted pulse signals to the frequency conversion signal.
S2025, the UE combines the frequency conversion signal and the pulse signal based on the position of the pulse signal to generate a combined signal.
As a possible implementation, the UE inserts the pulse signal into the frequency-converted signal based on the position of the pulse signal to generate a combined signal.
The embodiment of the invention also provides a control method of the relay equipment, which is applied to the relay equipment and can also be applied to a signal identification device in the relay equipment. As shown in fig. 6, the control method of the relay apparatus includes the following S301 to S305.
S301, the relay equipment receives an air interface signal.
As a possible implementation, the relay device receives an air interface signal by using an antenna.
It should be noted that the air interface signal received by the relay device may be a combined signal sent by the UE, or may be a frequency-converted signal sent by the UE and not including a pulse signal.
The frequency conversion signal is a signal subjected to frequency conversion processing at the UE side.
And S302, the relay equipment determines that the air interface signal comprises a variable frequency signal and a pulse signal.
As a possible implementation manner, the relay device analyzes the received air interface signal to determine whether the air interface signal includes the frequency conversion signal and the target pulse signal.
It should be noted that the relay device determines whether the air interface signal includes a pulse signal, and may refer to S303 to S304.
In some embodiments, after determining that an air interface signal includes a frequency-converted signal, the relay device may determine a first side lobe frequency point and a second side lobe frequency point of the frequency-converted signal, and then determine a weakest position in the middle of the first side lobe and the second side lobe according to the first side lobe frequency point and the second side lobe frequency point, and further determine whether a pulse signal exists at the position. The specific implementation manner of determining the weakest signal position in this step may refer to the specific description in the above embodiment S2034, and details are not repeated here.
In one case, if the air interface signal includes the frequency-converted signal and the pulse signal, the following step S303 is performed.
S303, the relay device determines the first power value and the second power value.
The first power value is used for representing the average power of the frequency conversion signal in a unit bandwidth, and the second power value is used for representing the power of the pulse signal.
As a possible implementation manner, the relay device analyzes the variable frequency signal to obtain a center frequency point, a bandwidth, and a power of each frequency point of the variable frequency signal, so as to determine the first power value.
The specific implementation manner of this step may refer to the specific description in S2032 of the present invention, and details are not described here again.
On the other hand, after the relay device analyzes the target variable frequency signal, the power of the pulse signal is determined as a second power value.
In this step, the specific implementation manner of determining the power of the pulse signal may be to determine the power of the pulse signal by analyzing the pulse signal, which may specifically refer to the prior art and is not described herein again.
S304, the relay device judges whether the ratio of the second power value to the first power value is in a preset range.
As a possible implementation manner, the relay device determines a ratio of the second power value to the first power value, and determines whether the ratio is within a preset range.
It should be noted that the preset range may be preset in the signal receiving device by an operation and maintenance person of the wireless communication system.
For example, the predetermined range may be [ (1-a), (1+ a) ].
Wherein a is a preset signal amplitude deviation value.
It should be noted that the value range of the signal amplitude offset value a may be set in advance in the signal receiving device by an operation and maintenance person.
Illustratively, a may range from (0.05-0.25).
S305, under the condition that the ratio of the second power value to the first power value is in a preset range, the relay equipment controls a signal relay module of the relay equipment to change the working state.
As a possible implementation manner, the relay device determines that the air interface signal is a combined signal sent by the UE, when determining that the ratio of the second power value to the first power value is within a preset range.
Subsequently, the relay device controls the state change of the signal relay module of the relay device.
The scheme provided by the embodiment of the invention is mainly introduced from the perspective of a method. To implement the above functions, it includes hardware structures and/or software modules for performing the respective functions. Those of skill in the art will readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiment of the present invention, the device may be divided into functional modules according to the method example, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. Optionally, the division of the modules in the embodiment of the present invention is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
Fig. 7 is a schematic structural diagram of a control device of a relay device according to an embodiment of the present invention. As shown in fig. 7, the control device 40 may be applied to a UE, for example, for executing the control method of the relay apparatus shown in fig. 2. The control device 40 includes a determination unit 401, a generation unit 402, and a transmission unit 403.
A determining unit 401, configured to determine a signal source of the UE and a location category of the UE. The signal sources of the UE comprise a relay device and a base station device, and the location category is used for indicating whether the UE is located in a city. For example, in conjunction with fig. 2, the determination unit 301 may be configured to perform S201.
A generating unit 402, configured to generate a combined signal including a pulse signal if the determining unit determines that the signal source of the UE is the relay device and the location type indicates that the UE is located in the city, or if the determining unit determines that the signal source of the UE is the base station device and the location type indicates that the UE is not located in the city. For example, in conjunction with fig. 2, the generating unit 402 may be configured to perform S202.
A transmitting unit 403, configured to transmit the combined signal generated by the generating unit to the relay device. The pulse signal is used for indicating the relay equipment to change the working state of a signal relay module in the relay equipment. For example, in conjunction with fig. 2, the sending unit 403 may be configured to execute S203.
Optionally, as shown in fig. 7, the control device of the present invention further includes an obtaining unit 404.
An obtaining unit 404, configured to obtain a location of the UE, and obtain map information of an area where the UE is located according to the location of the UE. For example, in conjunction with fig. 3, the obtaining unit 404 may be configured to perform S2011-S2012.
The determining unit 401 is specifically configured to determine that the location category of the UE indicates that the UE is located in the city when the density of the buildings in the map is greater than or equal to a preset threshold. For example, in connection with fig. 3, the determining unit 401 may be configured to perform S2013.
Optionally, as shown in fig. 7, the control device of the present invention further includes an indication unit 405.
The indicating unit 405, when the signal source of the UE is the relay device and the location type indicates that the UE is located in the city, specifically, the pulse signal is used to indicate the relay device to control the signal relay module to enter the sleep state. For example, the indication unit 405 may be used to perform S204.
The indicating unit 405, when the signal source of the UE is the base station device and the location type indicates that the UE is not located in the city, specifically, the pulse signal is used to indicate the relay device to control the signal relay module to enter the operating state. For example, the indication unit 405 may be used to perform S205.
Optionally, as shown in fig. 7, the obtaining unit 404 of the control apparatus of the present invention is further configured to obtain a frequency conversion signal to be sent. For example, in conjunction with fig. 4, the obtaining unit 404 may be configured to perform S2021.
The determining unit 401 is further configured to determine a first power value of the frequency-converted signal acquired by the acquiring unit, where the first power value is used to represent an average power of the frequency-converted signal within a unit bandwidth. For example, in conjunction with fig. 4, the determination unit 401 may be configured to perform S2022.
The generating unit 402 is further configured to generate a pulse signal based on the first power value. For example, in conjunction with fig. 4, the generating unit 402 may be configured to perform S2023.
The determining unit 401 is further configured to determine a position of the pulse signal. For example, in conjunction with fig. 4, the determination unit 401 may be configured to perform S2024.
The generating unit 402 is specifically configured to combine the frequency-converted signal and the pulse signal based on the position of the pulse signal to generate a combined signal. For example, in conjunction with fig. 4, the generating unit 402 may be configured to perform S2025.
Fig. 8 is a schematic structural diagram of a control device of another relay device according to an embodiment of the present invention. As shown in fig. 8, the control device 50 may be applied to a relay apparatus, for example, for executing the control method of the relay apparatus shown in fig. 6. The control device 50 includes a receiving unit 501, a determining unit 502, and a control unit 503.
A receiving unit 501, configured to receive an air interface signal. For example, in conjunction with fig. 6, the receiving unit 501 may be configured to perform S301.
The determining unit 502 is configured to determine that the air interface signal received by the receiving unit includes a frequency conversion signal and a pulse signal. For example, in connection with fig. 6, the determining unit 502 may be configured to perform S302.
The determining unit 502 is further configured to determine the first power value and the second power value, respectively. The first power value is used for representing the average power of the frequency-converted signal in a unit bandwidth, and the second power value is used for representing the power of the pulse signal. For example, in connection with fig. 6, the determining unit 502 may be configured to perform S303.
A control unit 503, configured to control the signal relay module of the relay device to change the operating state when a ratio of the second power value to the first power value is within a preset range. For example, in conjunction with fig. 6, the control unit 503 may be configured to execute S305.
In the case of implementing the functions of the integrated modules in the form of hardware, the embodiment of the present invention provides a possible structural schematic diagram of the UE involved in the above embodiments. As shown in fig. 9, a UE60, for example, is configured to perform the control method of the relay apparatus shown in fig. 2. The UE60 includes a processor 601, memory 602, and a bus 603. The processor 601 and the memory 602 may be connected by a bus 603.
The processor 601 is a control center of the communication apparatus, and may be a single processor or a collective term for a plurality of processing elements. For example, the processor 601 may be a Central Processing Unit (CPU), other general-purpose processors, or the like. Wherein a general purpose processor may be a microprocessor or any conventional processor or the like.
For one embodiment, processor 601 may include one or more CPUs, such as CPU 0 and CPU 1 shown in FIG. 9.
The memory 602 may be, but is not limited to, a read-only memory (ROM) or other type of static storage device that may store static information and instructions, a Random Access Memory (RAM) or other type of dynamic storage device that may store information and instructions, an electrically erasable programmable read-only memory (EEPROM), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
As a possible implementation, the memory 602 may be present separately from the processor 601, and the memory 602 may be connected to the processor 601 via a bus 603 for storing instructions or program code. The processor 601 can implement the control method of the relay device provided by the embodiment of the present invention when calling and executing the instructions or program codes stored in the memory 602.
In another possible implementation, the memory 602 may also be integrated with the processor 601.
The bus 603 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 9, but this does not indicate only one bus or one type of bus.
It is noted that the structure shown in fig. 9 does not constitute a limitation of the UE 60. The control means 60 of the relay device may comprise more or less components than those shown in fig. 9, or some components may be combined, or a different arrangement of components than those shown in fig. 9.
As an example, in connection with fig. 7, the determining unit 401 and the generating unit 402 in the control apparatus 40 implement the same functions as the processor 601 in fig. 9.
Optionally, as shown in fig. 9, the UE60 provided in the embodiment of the present invention may further include a communication interface 604.
A communication interface 604 for connecting with other devices via a communication network. The communication network may be an ethernet network, a radio access network, a Wireless Local Area Network (WLAN), etc. The communication interface 604 may include a receiving unit for receiving data and a transmitting unit for transmitting data.
In one design, in the UE provided in the embodiment of the present invention, the communication interface may be further integrated in the processor.
Fig. 10 shows another hardware structure of the UE in the embodiment of the present invention. As shown in fig. 10, UE70 may include a processor 701 and a communication interface 702. The processor 701 is coupled to a communication interface 702.
The functions of the processor 701 may refer to the description of the processor 601 above. The processor 701 also has a memory function, and the function of the memory 602 can be referred to.
The communication interface 702 is used to provide data to the processor 701. The communication interface 702 may be an internal interface of the communication apparatus, or may be an external interface of the communication apparatus (corresponding to the communication interface 604).
It is noted that the configuration shown in FIG. 10 does not constitute a limitation of the UE70, as the UE70 may include more or less components than shown, or combine certain components, or a different arrangement of components, in addition to those shown in FIG. 10.
Meanwhile, the schematic diagram of the hardware structure of the relay device provided in the embodiment of the present invention may also refer to the description of the user equipment UE in fig. 9 or fig. 10, which is not repeated herein. The difference is that the relay device comprises a processor for performing the steps performed in the above described embodiments by the relay device.
As an example, in connection with fig. 8, the determining unit 502 and the control unit 503 in the relay device implement the same functionality as the processor of the user equipment.
Through the above description of the embodiments, it is clear for a person skilled in the art that, for convenience and simplicity of description, only the division of the above functional units is illustrated. In practical applications, the above function allocation can be performed by different functional units according to needs, that is, the internal structure of the device is divided into different functional units to perform all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
The embodiment of the present invention further provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed by a computer, the computer executes each step in the method flow shown in the above method embodiment.
The embodiment of the invention also provides a communication system, which comprises User Equipment (UE) and the relay equipment, wherein the UE is connected with the relay equipment; the UE is configured to perform each step in the method flow shown in the foregoing method embodiment, and the relay device is configured to perform each step in the method flow shown in the foregoing method embodiment.
Embodiments of the present invention provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform the control method of the above-described method embodiments.
The 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 thereof. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, and a hard disk. Random Access Memory (RAM), Read-Only Memory (ROM), Erasable Programmable Read-Only Memory (EPROM), registers, a hard disk, an optical fiber, a portable Compact disk Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any other form of computer-readable storage medium, in any suitable combination, or as appropriate in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuit (ASIC). In embodiments of the invention, 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.
Since the control apparatus of the relay device, the user equipment, the relay device, the communication system, the computer-readable storage medium, and the computer program product in the embodiments of the present invention may be applied to the method described above, the technical effect obtained by the method may also refer to the method embodiments described above, and the embodiments of the present invention are not described herein again.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions within the technical scope of the present invention are intended to be covered by the scope of the present invention.

Claims (14)

1. A control method of a relay device is applied to User Equipment (UE), and is characterized by comprising the following steps:
determining a signal source of the UE and a location category of the UE; the signal sources of the UE comprise the relay equipment and base station equipment, and the position category is used for indicating whether the UE is located in a city;
generating a combined signal including a pulse signal and transmitting the combined signal to the relay device when the signal source of the UE is the relay device and the location type indicates that the UE is located in a city, or when the signal source of the UE is the base station device and the location type indicates that the UE is not located in a city; the pulse signal is used for indicating the relay equipment to change the working state of a signal relay module in the relay equipment.
2. The method of claim 1, wherein determining the location category of the determined UE comprises:
acquiring the position of the UE, and acquiring map information of an area where the UE is located according to the position of the UE;
determining that the location category of the UE indicates that the UE is located in a city when the density of buildings in the map is greater than or equal to a preset threshold.
3. The method according to claim 1, wherein in a case that the signal source of the UE is the relay device and the location type indicates that the UE is located in a city, the pulse signal is specifically configured to instruct the relay device to control the signal relay module to enter a sleep state;
and under the condition that the signal source of the UE is the base station equipment and the position type indicates that the UE is not located in the city, the pulse signal is specifically used for indicating the relay equipment to control the signal relay module to enter the running state.
4. The method according to any one of claims 1 to 3, wherein the generating a combined signal containing a pulse signal includes:
acquiring a frequency conversion signal to be transmitted, and determining a first power value of the frequency conversion signal, wherein the first power value is used for representing the average power of the frequency conversion signal in a unit bandwidth;
generating the pulse signal based on the first power value; the power of the pulse signal is the first power value;
determining a position of the pulse signal, and combining the frequency-converted signal and the pulse signal based on the position of the pulse signal to generate the combined signal.
5. A control method of a relay device is applied to the relay device, and is characterized by comprising the following steps:
receiving an air interface signal, and determining that the air interface signal comprises a variable frequency signal and a pulse signal;
respectively determining a first power value and a second power value; the first power value is used for representing the average power of the frequency-converted signal in a unit bandwidth, and the second power value is used for representing the power of the pulse signal;
and under the condition that the ratio of the second power value to the first power value is within a preset range, controlling a signal relay module of the relay equipment to change the working state.
6. A control device of a relay device, applied to a User Equipment (UE), is characterized by comprising: a determining unit, a generating unit and a transmitting unit;
the determining unit is configured to determine a signal source of the UE and a location category of the UE; the signal sources of the UE comprise the relay equipment and base station equipment, and the position category is used for indicating whether the UE is located in a city;
the generating unit is configured to generate a combined signal including a pulse signal if the determining unit determines that the signal source of the UE is the relay device and the location type indicates that the UE is located in a city, or if the determining unit determines that the signal source of the UE is the base station device and the location type indicates that the UE is not located in a city; the pulse signal is used for indicating the relay equipment to change the working state of a signal relay module in the relay equipment;
the transmission unit is configured to transmit the combined signal generated by the generation unit to the relay device.
7. The control device of a relay apparatus according to claim 6, characterized in that the control device further comprises an acquisition unit;
the obtaining unit is used for obtaining the position of the UE and obtaining the map information of the area where the UE is located according to the position of the UE;
the determining unit is specifically configured to determine that the location category of the UE indicates that the UE is located in a city when the density of the buildings in the map is greater than or equal to a preset threshold.
8. The control device of a relay apparatus according to claim 6, characterized in that the control device further comprises an instruction unit;
the indicating unit is configured to, when the signal source of the UE is the relay device and the location type indicates that the UE is located in a city, specifically, instruct the relay device to control the signal relay module to enter a sleep state;
the indicating unit is configured to, when the signal source of the UE is the base station device and the location type indicates that the UE is not located in the city, specifically, instruct the relay device to control the signal relay module to enter an operating state.
9. The control device of a relay apparatus according to any one of claims 6 to 8, further comprising an acquisition unit;
the acquiring unit is used for acquiring a frequency conversion signal to be transmitted;
the determining unit is further configured to determine a first power value of the frequency-converted signal acquired by the acquiring unit, where the first power value is used to represent an average power of the frequency-converted signal within a unit bandwidth;
the generating unit is further configured to generate the pulse signal based on the first power value;
the determining unit is further used for determining the position of the pulse signal;
the generating unit is specifically configured to combine the frequency-converted signal and the pulse signal based on a position of the pulse signal to generate the combined signal.
10. A control device for a relay device, applied to the relay device, comprising: a receiving unit, a determining unit and a control unit;
the receiving unit is used for receiving an air interface signal;
the determining unit is configured to determine that the air interface signal received by the receiving unit includes a variable frequency signal and a pulse signal;
the determining unit is further configured to determine a first power value and a second power value respectively; the first power value is used for representing the average power of the frequency-converted signal in a unit bandwidth, and the second power value is used for representing the power of the pulse signal;
the control unit is configured to control the signal relay module of the relay device to change the operating state when the ratio of the second power value to the first power value is within a preset range.
11. A computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a user equipment, UE, cause the UE to perform the method of control of a relay device of any of claims 1-4, or the instructions, which when executed by a relay device, cause the relay device to perform the method of control of a relay device of claim 5.
12. A User Equipment (UE), comprising: a processor and a memory; wherein the memory is configured to store one or more programs including computer-executable instructions that, when executed by the UE, are executed by the processor to cause the UE to perform the method of controlling a relay device of claims 1-4.
13. A relay device, comprising: a processor and a memory; wherein the memory is configured to store one or more programs, the one or more programs including computer-executable instructions, which when executed by the relay device, cause the relay device to perform the control method of the relay device of claim 5, by executing the computer-executable instructions stored in the memory by the processor.
14. A communication system comprises a User Equipment (UE) and a relay device, wherein the UE is connected with the relay device; the UE is configured to perform the control method of the relay device of any one of claims 1 to 4, and the relay device is configured to perform the control method of the relay device of claim 5.
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