CN113891366B - Relay device control method, device, system and storage medium - Google Patents

Relay device control method, device, system and storage medium Download PDF

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Publication number
CN113891366B
CN113891366B CN202111204329.6A CN202111204329A CN113891366B CN 113891366 B CN113891366 B CN 113891366B CN 202111204329 A CN202111204329 A CN 202111204329A CN 113891366 B CN113891366 B CN 113891366B
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signal
relay
relay device
unit
city
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CN113891366A (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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  • Engineering & Computer Science (AREA)
  • 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, which relate to the technical field of communication and are used for avoiding interference of a repeater to surrounding base stations and improving user experience, and comprise the following steps: determining a signal source of the UE and a location category of the UE; the signal source of the UE comprises a relay device and a base station device, and the location category is used for indicating whether the UE is located in a city; when the signal source of the UE is a relay device and the position category indicates that the UE is located in a city, or when the signal source of the UE is a base station device and the position category indicates that the UE is not located in a city, generating a combined signal containing a pulse signal and transmitting the combined signal to the relay device; the pulse signal is used for indicating the relay equipment to change the working state of the signal relay module in the relay equipment. The embodiment of the invention is applied to a communication system.

Description

Relay device control method, device, system and storage medium
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 enable the fifth generation mobile communication technology (5th generation mobi le communication technology,5G) network to cover high-speed rails, base station boarding has become a trend. Specifically, taking a high-speed rail as an example, an operator can deploy a repeater on the top of a carriage of the high-speed rail, relay and amplify a received signal through the repeater, and forward the amplified signal, thereby avoiding the reduction of communication quality caused by the penetration loss of the carriage and finally realizing the coverage of the 5G network to the high-speed rail.
However, since the repeater amplifies the signal and transmits the signal, a large amount of interference may be generated by the amplified signal, and thus paralysis of the peripheral base stations of the high-speed rail may be caused. Therefore, how to avoid interference of the repeater to surrounding base stations when implementing 5G network coverage in high-speed rail is a problem to be solved.
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 station to surrounding base stations when 5G network coverage is finally realized.
In order to achieve the above purpose, the invention adopts the following technical scheme:
in a first aspect, a method for controlling a relay device is provided, which 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 a relay device and a base station device, and the location category is used for indicating whether the UE is located in a city; when the signal source of the UE is a relay device and the position category indicates that the UE is located in a city, or when the signal source of the UE is a base station device and the position category indicates that the UE is not located in a city, generating a combined signal containing a pulse signal and transmitting the combined signal to the relay device; the pulse signal is used for indicating the relay equipment to change the working state of the signal relay module in the relay equipment.
In one possible implementation manner, the determining the location category of the UE includes: 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; 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 one possible implementation manner, when the signal source of the UE is a relay device and the location class indicates that the UE is located in a city, the pulse signal is specifically used 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 base station equipment and the position category indicates that the UE is not located in a city, the pulse signal is specifically used for indicating the relay equipment to control the signal relay module to enter the running state.
In one possible implementation manner, the generating the combined signal including the pulse signal includes: acquiring a variable frequency signal to be transmitted, and determining a first power value of the variable frequency signal, wherein the first power value is used for representing the average power of the variable frequency 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 variable frequency 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 control method of a relay device is provided, which 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 the 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 in a preset range, controlling the signal relay module of the relay equipment to change the working state.
In a third aspect, a control apparatus of a relay device is provided, which 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 class of the UE; the signal source of the UE comprises a relay device and a base station device, and the location 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 a relay device and the location class indicates that the UE is located in a city, or when the determining unit determines that the signal source of the UE is a base station device and the location class indicates that the UE is not located in a city; a transmitting unit 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 the signal relay module in the relay equipment.
In one possible implementation, the control device further includes an acquisition unit; the acquisition unit is used for acquiring the position of the UE and acquiring 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 degree of density of buildings in the map is greater than or equal to a preset threshold.
In one possible implementation, the control device further comprises an indication unit; the indicating unit is used for indicating the relay equipment to control the signal relay module to enter the dormant state when the signal source of the UE is the relay equipment and the position class indicates that the UE is located in a city; the indicating unit is used for 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 base station equipment and the position category indicates that the UE is not located in a city.
In one possible implementation manner, the obtaining unit is configured to obtain a variable frequency signal to be sent; the determining unit is further used for determining a first power value of the variable frequency signal acquired by the acquiring unit, wherein the first power value is used for representing the average power of the variable frequency signal in the unit bandwidth; a generating unit for generating a pulse signal based on the first power value; a determining unit for determining the position of the pulse signal; the generating unit is specifically configured to combine the variable frequency signal and the pulse signal based on the position of the pulse signal, so as to generate a combined signal.
In a fourth aspect, there is provided a control apparatus of a relay device, applied to the relay device, including: a receiving unit, a determining unit and a control unit; the receiving unit is used for receiving the 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 determining the first power value and the second power value respectively; the first power value is used for representing the average power of the variable frequency signal in the 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 in 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 a relay device as in any one of the first aspects, or instructions, which when executed by a relay device, cause the relay device to perform the method of controlling a relay device as in the second aspect.
In a sixth aspect, a user equipment UE is provided, including: a processor and a memory; wherein the memory is configured to store one or more programs, the one or more programs comprising computer-executable instructions that, when executed by the UE, cause the UE to perform the method of controlling the relay device of the first aspect.
A seventh aspect provides a relay apparatus, 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, the processor executing the computer-executable instructions stored in the memory when the relay device is operating, to cause the relay device to perform the method of controlling 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 control method of any one of the relay apparatuses in the first aspect, and the relay apparatus is configured to perform the control method of the relay apparatus in the second aspect.
The method, the device, the equipment, the system and the storage medium for controlling the relay equipment firstly determine the signal source of the user equipment and the position category of the UE, and the position category is used for indicating whether the UE is located in a city or not, wherein the signal source of the UE comprises the relay equipment and the base station equipment, so that the state of the relay module can be controlled according to the indication conditions of the signal source and the position category of the UE. When the signal source of the UE is a relay device and the position category indicates that the UE is located in a city, or when the signal source of the UE is a base station device and the position category indicates that the UE is not located in a city, generating a combined signal containing a pulse signal and transmitting the combined signal to the relay device; the pulse signal is used for indicating the relay equipment to change the working state of the signal relay module in the relay equipment. That is, in the case where the relay module of the relay apparatus is in an operating state and located in a city, the relay module of the relay apparatus is controlled to enter a sleep state. The repeater enters a dormant state, and the signal relay is stopped, so that the problem of interference of the repeater to a dense area of the base station is effectively avoided. 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 operation 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 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 schematic flow chart of a control method of a relay device according to an embodiment of the present invention;
fig. 3 is a schematic flow chart II of a control method of a relay device according to an embodiment of the present invention;
fig. 4 is a schematic flow chart III of a control method of a relay device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a variable frequency signal according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of a control method of 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 apparatus according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a control device of a relay apparatus according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a ue structure according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a second ue structure 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 accompanying drawings in the embodiments of the present invention.
In the description of the present invention, "/" means "or" unless otherwise indicated, for example, A/B may mean A or B. "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. Further, "at least one", "a plurality" means two or more. The terms "first," "second," and the like do not limit the number and order of execution, and the terms "first," "second," and the like do not necessarily differ.
The control method of the relay device provided by the embodiment of the invention can be applied to a communication system. Fig. 1 shows a schematic diagram of a configuration of the communication system. As shown in fig. 1, the communication system 10 is configured to avoid interference from a repeater to surrounding base stations, thereby reducing a large amount of transmission loss and improving user experience. The communication system 10 includes a relay device 11 and a UE12. The relay device 11 is connected to the UE12. The relay device 11 and the UE12 may be connected by a wired manner or may be connected by a wireless manner, which is not limited in the embodiment of the present invention.
The relay device 11 can be used for amplifying and retransmitting the transmitted signal, so that signal attenuation caused by penetration loss can be avoided, and the reliability of transmission can be effectively improved.
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 applications, the relay device 11 may be a repeater, or may be another device with a relay function, which is not limited in particular in the embodiment of the present invention.
The UE12 may be a mobile terminal or a personal computer (personal computer, abbreviated as PC) used by a user on a high-speed rail. Such as smart phones, personal Digital Assistants (PDAs), tablet computers, notebook computers, car computers (carters), palm game consoles, smart glasses, smart watches, wearable devices, virtual display devices or display enhancement devices (e.g., google Glass, eye lift, hollens, gear VR), and the like.
The UE12 includes an information acquisition module, a comprehensive processing module, a waveform sorting module, and other functional modules. The information acquisition module is used for completing information acquisition. The comprehensive processing module is used for finishing the change of the indication information of the relay equipment according to the information acquired by the information acquisition module. The waveform sorting module is used for carrying out waveform integration according to the indication information in the comprehensive processing module.
The UE12 may also be used to determine a location category of the UE12 and a signal source of the UE 12. In the case where the signal source of the UE12 is a relay device and the location class indicates that the UE12 is located in a city, or in the case where the signal source of the UE is a base station device and the location class 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 device 11. The pulse signal is used to instruct the relay device 11 to change the operation state of the signal relay module in the relay device 11.
Fig. 2 is a flow chart illustrating a method of controlling a relay device according to some exemplary embodiments. In some embodiments, the control method of the relay device may be applied to a control apparatus of the relay device, or may be applied to a UE including the control apparatus of the relay device, or other similar devices or modules.
As shown in fig. 2, the control method of the relay device provided in the embodiment of the present invention includes the following steps S201 to S203.
S201, the UE determines a signal source of the UE and a location 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.
The location category is a category of a location where the UE is located at the current time. The signal source is the source of the signal received by the UE at the current time.
As a possible implementation manner, the UE may collect, by using the positioning and collecting module, the position of the UE, and download, by using the map collecting module, map information with the position of the UE as a center and a preset threshold as a radius. Further, the comprehensive processing module of the UE may determine a location category of the UE based on the acquired map information.
The specific implementation of this step may refer to the following description of the embodiment of the present invention, which is not repeated here.
As one possible implementation, the UE may analyze the current signal source through its access signal identification module 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 acquire the information source identifier from the received downlink data signal, and determine, according to the acquired information source identifier, whether the downlink data signal received by the UE is from the relay device.
It should be noted that the preset information source identifier may be set in advance in the transmission protocol by the operation and maintenance personnel.
Illustratively, the operator may set an R identifier in a header of a media access control layer (media access control, MCA) of the transport protocol, and the relay device repackages the MAC layer information with the R identifier and sends the repackaged 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 mark, the UE determines that the signal source of the received downlink data signal is relay equipment; if the encapsulated MAC layer information does not include the R mark, the UE determines that the signal source of the received downlink data signal is base station equipment.
S202, when the signal source of the UE is a relay device and the location class indicates that the UE is located in a city, or when the signal source of the UE is a base station device and the location class indicates that the UE is not located in a city, the UE generates a combined signal including a pulse signal.
The pulse signal is used for indicating the relay equipment to change the working state of the signal relay module in the relay equipment.
As one possible implementation, the UE generates a combined signal comprising the pulse signal in case it is determined that the signal source of the UE is a relay device and the location class indicates that the UE is located in a city.
Alternatively, in the event that the signal source of the UE is determined to be a base station device and the location class indicates that the UE is not located in a city, the UE generates a combined signal comprising the pulse signal.
The specific implementation of this step may refer to the following description of the embodiment of the present invention, which is not repeated here.
And S203, the UE transmits the combined signal to the relay equipment.
As one possible implementation, the UE sends the combined signal to the relay device over a physical uplink control channel (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 the working state of the signal relay module in the relay device when the combined signal contains the pulse signal.
It can be appreciated that when the UE determines that the source of the signal of the UE is a relay device and the location class indicates that the UE is not located in a city, it indicates that in the sparse area of the base station, the relay module of the relay device has been used to receive and amplify the signals of the UE and the base station, so as to reduce a large amount of penetration loss, 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 equipment and the position category indicates that the UE is located in a city, the UE indicates that the relay module of the relay equipment enters a dormant state in a base station dense area, so that the problem of interference of the repeater to the base station dense area is avoided, and in the case, the UE continues the current communication mode.
The method, the device, the equipment, the system and the storage medium for controlling the relay equipment firstly determine the signal source of the UE and the position category of the UE, and the signal source of the UE comprises the relay equipment and the base station equipment because the position category is used for indicating whether the UE is located in a city or not, so that the state of the relay module can be controlled according to the indication conditions of the signal source and the position category of the UE. In the case that the signal source of the UE is a relay device and the location class indicates that the UE is located in a city, or in the case that the signal source of the UE is a base station device and the location class indicates that the UE is not located in a city, a combined signal including a pulse signal is generated and the combined signal is transmitted to the relay device. The pulse signal is used for indicating the relay equipment to change the working state of the signal relay module in the relay equipment. That is, in the case where the relay module of the relay apparatus is in an operating state and located in a city, the relay module of the relay apparatus is controlled to enter a sleep state. The repeater enters a dormant state, and the signal relay is stopped, so that the problem of interference of the repeater to a dense area of the base station is effectively avoided. 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 operation 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 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-S2015.
And S2011, the UE acquires the position of the UE.
As one possible implementation, the UE may obtain the location of the UE from a global positioning system (global positioning system, GPS) through a location acquisition module.
It should be noted that the location of the UE may be the longitude and latitude.
And 2012, the UE acquires 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 the area where the UE is located by using the acquired position as a center of a circle and using a preset threshold as a radius. Further, the UE acquires map information in the area from a preset map information system.
The preset threshold may be 1km, for example.
The map information may include the degree of dense 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 one possible implementation, the UE obtains the degree of density of buildings in the map, and determines whether the degree of 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 of buildings in the map is greater than or equal to a preset threshold value, the UE determines that the position category of the UE indicates that the UE is located in a city.
It can be appreciated that the UE determines the location category of the UE based on the intensity of the buildings in the map information.
As one possible implementation, the UE determines 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.
And S2015, under the condition that the density of buildings in the map is smaller than a preset threshold value, the UE determines that the position category of the UE indicates that the UE is not located in a city.
Optionally, the UE may further determine a location category of the UE according to the information such as the population density and the base station density in the map information.
Optionally, the UE may further acquire a historical position of the UE at a 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 the map information is acquired, the UE determines a location category of the UE according to the degree of density of buildings in the moving direction in the map information.
In one design, the state of the relay device control signal relay module is indicated to change, and in the relay device control method provided by the embodiment of the invention, when the signal source of the UE is the relay device and the location class indicates that the UE is located in a city, the pulse signal in the combined signal sent by the UE is specifically used for indicating the relay device control signal relay module to enter the sleep state.
In an exemplary case where the signal source of the UE is a relay device and the location class indicates that the UE is located in a city, the UE transmits a combined signal including a pulse signal to the relay device to instruct the relay device to control the signal relay module to enter a sleep state from an operation state.
Accordingly, the relay device receives the combined signal and determines whether the pulse signal is included in the combined signal. Further, the relay device controls the signal relay module to enter the sleep state from the running 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 operation state.
And under the condition that the signal source of the UE is base station equipment and the position category indicates that the UE is not located in a city, the pulse signals in the combined signals sent by the UE are specifically used for indicating the relay equipment to control the signal relay module to enter an operation state.
In an exemplary case where the signal source of the UE is a base station device and the location class indicates that the UE is not located in a city, the UE transmits a combined signal including a pulse signal to the relay device to instruct the relay device to control the signal relay module to enter an operation state from a sleep state.
Accordingly, the relay device receives the combined signal and determines whether the pulse signal is included in the combined signal. Further, the relay device controls the signal relay module to enter the running state from the dormant 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 operation state.
In one design, in order to generate a combined signal containing the target pulse signal, as shown in fig. 4, S202 provided in the embodiment of the present invention may specifically include the following S2021-S2025.
S2021, the UE acquires a frequency conversion signal to be transmitted.
As one possible implementation, 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 variable frequency signal.
Wherein the first power value is used to characterize the average power of the variable frequency signal within a unit bandwidth.
As one possible implementation, the UE parses the frequency-converted signal to determine a center frequency point, a bandwidth, and a power of each frequency point of the frequency-converted signal to determine a first power value.
Specifically, the UE determines a first power value based on a center frequency point and a bandwidth of the variable frequency signal, power of each frequency point in the variable frequency signal, and the following formula one:
Wherein P is c For the first power value, f 0 Is the center frequency point of the variable frequency signal, W is the bandwidth of the variable frequency signal, P c The power of each frequency point in the frequency conversion signal is f, the frequency point of the frequency conversion signal is f, and the power of the frequency conversion signal is H.
By way of example, fig. 5 shows a schematic diagram of a frequency converted signal. As shown in fig. 5, the center frequency point of the variable frequency signal is f 0 The bandwidth is W, the power of the center frequency point is H, and the first power value is a shaded part 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 one 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 one possible implementation, 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 variable frequency 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 the center frequency point of the first side lobe, the second side lobe frequency point is the center frequency point of the second side lobe, and the first side lobe and the second side lobe are positioned on the same side of the center 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.
Exemplary, 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 first side lobe frequency point is-f 1 The second side lobe frequency point is-f 2 . When the first side lobe and the second side lobe are both positioned on the right side of the central frequency point of the variable frequency signal, the frequency point of the first side lobe is f 1 The second side lobe frequency point can be f 2 。
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 variable frequency signal, and the first side lobe frequency point is greater than the second side lobe frequency point, the position of the pulse signal satisfies the following formula two:
f pulse ＝f 1 -f 2 Formula II
Wherein f Pulse Is the position of the pulse signal, f 1 F is the first side lobe frequency point 2 And the second sidelobe frequency point.
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 variable frequency signal, 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 three:
f pulse ＝f 2 -f 1 Formula III
Wherein f Pulse Is the position of the pulse signal, f 1 F is the first side lobe frequency point 2 And the second sidelobe frequency point.
In practical application, the position of the pulse signal may be located at the left side of the center frequency point of the variable frequency signal, or may be located at the right side of the center frequency point of the variable frequency signal. The number of the pulse signals can be two, and the pulse signals can be positioned at the left side and the right side of the central frequency point of the variable frequency signal at the same time.
It can be understood that the position of the pulse signal is located at the middle position of the first side lobe and the second side lobe, namely, the position where the signal strength of the variable frequency signal is weakest, so as to avoid the interference of the inserted pulse signal on the variable frequency signal.
S2025, the UE combines the variable frequency signal and the pulse signal based on the position of the pulse signal to generate a combined signal.
As one possible implementation, the UE inserts the pulse signal into the frequency converted signal based on the location of the pulse signal to generate the 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 device receives an air interface signal.
As a possible implementation, the relay device receives the air interface signal with an antenna.
The relay device may receive the air interface signal as a combined signal sent by the UE, or as a variable frequency signal that does not include a pulse signal and is sent by the UE.
The frequency conversion signal is a signal after the frequency conversion processing on the UE side.
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 parses the received air interface signal to determine whether the air interface signal includes the variable frequency signal and the target pulse signal.
The relay device may refer to S303 to S304 to determine whether the air interface signal includes a pulse signal.
In some embodiments, after determining that the air interface signal includes the variable frequency signal, the relay device may determine a first side lobe frequency point and a second side lobe frequency point of the variable frequency signal, and further determine a position where a middle of the first side lobe and the second side lobe is weakest according to the first side lobe frequency point and the second side lobe frequency point, so as to determine whether a pulse signal exists at the position. For a specific implementation manner of determining the position where the signal is weakest in this step, reference may be made to the specific description in the above embodiment S2034, and no detailed description will be given here.
In one case, if the air interface signal includes the variable frequency signal and the pulse signal, the following 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 variable frequency signal in the 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 power of each frequency point of the variable frequency signal, so as to determine the first power value.
For the specific implementation of this step, reference may be made to the specific description in embodiment S2032 of the present invention, and no detailed description will be given here.
On the other hand, after the relay device analyzes the target variable frequency signal, the power of the pulse signal is determined as the second power value.
The specific implementation manner of determining the power of the pulse signal in this step may be to determine the power of the pulse signal by analyzing the pulse signal, and may refer to the prior art specifically, and will not be described herein.
S304, the relay device judges whether the ratio of the second power value to the first power value is within a preset range.
As one possible implementation, 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.
The preset range may be preset in the signal receiving apparatus by an operator of the wireless communication system.
For example, the preset range may be [ (1-a), (1+a) ].
Wherein a is a preset signal amplitude offset value.
It should be noted that, the value range of the signal amplitude offset value a may be set in the signal receiving device in advance by an operation and maintenance person.
Illustratively, a may have a value in the range of (0.05-0.25).
And S305, controlling the signal relay module of the relay device to change the working state by the relay device under the condition that the ratio of the second power value to the first power value is in a preset range.
As one possible implementation manner, the relay device determines that the air interface signal is a combined signal sent by the UE when it is determined that the ratio of the second power value to the first power value is within a preset range.
Subsequently, the relay device controls a state change of the signal relay module of the relay device.
The foregoing description of the solution provided by the embodiments of the present invention has been mainly presented in terms of a method. To achieve the above functions, it includes corresponding hardware structures and/or software modules that perform 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 implemented as hardware or computer software driven 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.
The embodiment of the invention can divide the functional modules of the device according to the method example, for example, each functional module can be divided corresponding to each function, or two or more functions can be integrated in one processing module. The integrated modules may be implemented in hardware or in software functional modules. Optionally, the division of the modules in the embodiment of the present invention is schematic, which is merely a logic function division, and other division manners may be implemented in practice.
Fig. 7 is a schematic structural diagram of a control device of a relay apparatus according to an embodiment of the present invention. As shown in fig. 7, the control apparatus 40 may be applied to a UE, for example, for performing the control method of the relay device 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 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. For example, in connection with fig. 2, the determination unit 301 may be used to perform S201.
A generating unit 402, configured to generate a combined signal including the pulse signal when the determining unit determines that the signal source of the UE is a relay device and the location class indicates that the UE is located in a city, or when the determining unit determines that the signal source of the UE is a base station device and the location class indicates that the UE is not located in a city. For example, in connection with fig. 2, the generating unit 402 may be used to perform S202.
A transmitting unit 403 for transmitting 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 the signal relay module in the relay equipment. For example, in connection with fig. 2, the transmitting unit 403 may be used to perform S203.
Optionally, as shown in fig. 7, the control device of the present invention further includes an acquisition unit 404.
And the acquiring unit 404 is configured to acquire a location of the UE, and acquire map information of an area where the UE is located according to the location of the UE. For example, in connection with fig. 3, the acquisition unit 404 may be used 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 a city when the density of buildings in the map is greater than or equal to a preset threshold. For example, in connection with fig. 3, the determination unit 401 may be used 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 is specifically configured to instruct the relay device to control the signal relay module to enter the sleep state when the signal source of the UE is the relay device and the location class indicates that the UE is located in a city. For example, the indication unit 405 may be used to perform S204.
The indicating unit 405 is specifically configured to instruct the relay device to control the signal relay module to enter the operation state when the signal source of the UE is the base station device and the location class indicates that the UE is not located in a city. For example, the instruction unit 405 may be used to perform S205.
Optionally, as shown in fig. 7, the acquiring unit 404 of the control device of the present invention is further configured to acquire a variable frequency signal to be sent. For example, in connection with fig. 4, the acquisition unit 404 may be used to perform S2021.
The determining unit 401 is further configured to determine a first power value of the variable frequency signal acquired by the acquiring unit, where the first power value is used to characterize an average power of the variable frequency signal within a unit bandwidth. For example, in connection with fig. 4, the determination unit 401 may be used to perform S2022.
The generating unit 402 is further configured to generate a pulse signal based on the first power value. For example, in connection with fig. 4, the generating unit 402 may be used to perform S2023.
The determining unit 401 is further configured to determine a position of the pulse signal. For example, in connection with fig. 4, the determination unit 401 may be used to perform S2024.
The generating unit 402 is specifically configured to combine the variable frequency signal and the pulse signal based on the position of the pulse signal, so as to generate a combined signal. For example, in connection with fig. 4, the generating unit 402 may be used to perform S2025.
Fig. 8 is a schematic structural diagram of a control device of another relay apparatus according to an embodiment of the present invention. As shown in fig. 8, the control apparatus 50 may be applied to a relay device, for example, for executing the control method of the relay device shown in fig. 6. The control device 50 comprises a receiving unit 501, a determining unit 502 and a control unit 503.
A receiving unit 501, configured to receive the air interface signal. For example, in connection with fig. 6, the receiving unit 501 may be used to perform S301.
The determining unit 502 is configured to determine that the air interface signal received by the receiving unit includes a variable frequency signal and a pulse signal. For example, in connection with fig. 6, the determining unit 502 may be used 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 variable frequency signal in the 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 used to perform S303.
And a control unit 503, configured to control the signal relay module of the relay device to change the working state when the ratio of the second power value to the first power value is within the preset range. For example, in connection with fig. 6, the control unit 503 may be used to perform S305.
In case of implementing the functions of the integrated modules in the form of hardware, the embodiment of the present invention provides a possible schematic structural diagram of the UE involved in the above embodiment. As shown in fig. 9, a UE60 is used, for example, to perform the control method of the relay device shown in fig. 2. The UE60 includes a processor 601, a 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 device, and may be one processor or a collective term of a plurality of processing elements. For example, the processor 601 may be a general-purpose central processing unit (central processing unit, CPU), or may be another general-purpose processor. Wherein the general purpose processor may be a microprocessor or any conventional processor or the like.
As one example, 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 can store static information and instructions, a random access memory (random access memory, RAM) or other type of dynamic storage device that can store information and instructions, or an electrically erasable programmable read-only memory (EEPROM), magnetic disk storage 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 exist separately from the processor 601, and the memory 602 may be connected to the processor 601 through the bus 603 for storing instructions or program codes. When the processor 601 calls and executes the instructions or the program codes stored in the memory 602, the control method of the relay device provided by the embodiment of the present invention can be implemented.
In another possible implementation, the memory 602 may also be integrated with the processor 601.
Bus 603 may be an industry standard architecture (Industry Standard Architecture, ISA) bus, a peripheral component interconnect (Peripheral Component Interconnect, PCI) bus, or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, among others. The bus may be classified as an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in fig. 9, but not only one bus or one type of bus.
It should be 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 shown in fig. 9, or may combine certain components, or may be arranged differently, than shown in fig. 9.
As an example, in connection with fig. 7, the determining unit 401 and the generating unit 402 in the control device 40 realize the same functions as those of 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.
Communication interface 604 for connecting with other devices via a communication network. The communication network may be an ethernet, a radio access network, a wireless local area network (wireless local area networks, WLAN), etc. The communication interface 604 may include a receiving unit for receiving data and a transmitting unit for transmitting data.
In one design, the communication interface may also be integrated in the processor in the UE provided in the embodiments of the present invention.
Fig. 10 shows another hardware structure of a UE in an embodiment of the present invention. As shown in fig. 10, the UE70 may include a processor 701 and a communication interface 702. The processor 701 is coupled to a communication interface 702.
The function of the processor 701 may be as described above with reference to the processor 601. 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 device or an external interface of the communication device (corresponding to the communication interface 604).
It should be noted that the structure shown in fig. 10 does not constitute a limitation of the UE70, and the UE70 may include more or less components than those shown in fig. 10, or may combine some components, or may have a different arrangement of components.
Meanwhile, the hardware structure schematic of the relay device provided in the embodiment of the present invention may refer to the description of the UE in fig. 9 or fig. 10, and will not be described herein again. The difference is that the relay device comprises a processor for executing the steps performed by the application relay device in the above-described embodiments.
As an example, in connection with fig. 8, the functions implemented by the determining unit 502 and the control unit 503 in the relay device are the same as the functions of the processor of the user device.
From the above description of embodiments, it will be apparent to those skilled in the art that the foregoing functional unit divisions are merely illustrative for convenience and brevity of description. In practical applications, the above-mentioned function allocation may be performed by different functional units, i.e. the internal structure of the device is divided into different functional units, as needed, to perform all or part of the functions described above. The specific working processes of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, which are not described herein.
The embodiment of the invention also provides a computer readable storage medium, wherein the computer readable storage medium stores instructions, when the computer executes the instructions, the computer executes each step in the method flow shown in the method embodiment.
The embodiment of the invention also provides a communication system which comprises User Equipment (UE) and 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 method embodiments described above.
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 a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: electrical connections having one or more wires, portable computer diskette, hard disk. Random access Memory (Random Access Memory, RAM), read-Only Memory (ROM), erasable programmable Read-Only Memory (Erasable Programmable Read Only Memory, EPROM), registers, hard disk, optical fiber, portable compact disc Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any other form of computer-readable storage medium suitable for use by a person or persons of skill 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. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an application specific integrated circuit (Application Specific Integrated Circuit, ASIC). In embodiments of the present 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 device, the user equipment, the relay device, the communication system, the computer readable storage medium, and the computer program product of the relay device in the embodiments of the present invention may be applied to the above-mentioned method, the technical effects that can be obtained by the method may also refer to the above-mentioned method embodiments, and the embodiments of the present invention are not repeated herein.
The present invention is not limited to the above embodiments, and any changes or substitutions within the technical scope of the present invention should be covered by the scope of the present invention.

Claims (9)

1. A control method of a relay device, applied to a user equipment UE, comprising:
determining a signal source of the UE and a location category of the UE; the signal source of the UE comprises the relay equipment and base station equipment, and the location category is used for indicating whether the UE is located in a city;
generating a combined signal containing 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 class 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 class 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;
When the signal source of the UE is the relay device and the location class 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 category indicates that the UE is not located in a city, the pulse signal is specifically used for indicating the relay equipment to control the signal relay module to enter an operation state.
2. The method of controlling a relay device according to 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;
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 a city.
3. The control method of the relay device according to claim 1 or 2, characterized in that the generating of the combined signal containing the pulse signal includes:
acquiring a variable frequency signal to be transmitted, and determining a first power value of the variable frequency signal, wherein the first power value is used for representing the average power of the variable frequency 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;
and determining the position of the pulse signal, and combining the variable frequency signal and the pulse signal based on the position of the pulse signal to generate the combined signal.
4. A control apparatus of a relay device, applied to a user equipment UE, comprising: the device comprises a determining unit, a generating unit, an indicating unit and a transmitting unit;
the determining unit is used for determining the signal source of the UE and the position category of the UE; the signal source of the UE comprises the relay equipment and base station equipment, and the location 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 when the determining unit determines that the signal source of the UE is the relay device and the location class indicates that the UE is located in a city, or when the determining unit determines that the signal source of the UE is the base station device and the location class 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 sending unit is configured to send the combined signal generated by the generating unit to the relay device;
the indicating unit is specifically configured to instruct the relay device to control the signal relay module to enter a sleep state when the signal source of the UE is the relay device and the location class indicates that the UE is located in a city;
the indication unit is specifically configured to instruct the relay device to control the signal relay module to enter an operating state when the signal source of the UE is the base station device and the location class indicates that the UE is not located in a city.
5. The control apparatus of the relay device according to claim 4, wherein the control apparatus further comprises an acquisition unit;
the acquisition unit is used for 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;
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 degree of density of buildings in the map is greater than or equal to a preset threshold.
6. The control apparatus of the relay device according to claim 4 or 5, wherein the control apparatus further comprises an acquisition unit;
The acquisition unit is used for acquiring the variable frequency signal to be transmitted;
the determining unit is further configured to determine a first power value of the variable frequency signal acquired by the acquiring unit, where the first power value is used to characterize an average power of the variable frequency signal in 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 variable frequency signal and the pulse signal based on a position of the pulse signal, so as to generate the combined signal.
7. A computer readable storage medium storing one or more programs, wherein the one or more programs comprise instructions, which when executed by a user equipment, UE, cause the UE to perform the method of controlling a relay device according to any of claims 1-3.
8. A user equipment, UE, comprising: a processor and a memory; wherein the memory is configured to store one or more programs, the one or more programs comprising computer-executable instructions that, when executed by the UE, cause the UE to perform the method of controlling the relay device of any of claims 1-3.
9. A communication system comprising 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 3.
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