WO2023050999A1 - Procédé et appareil de traitement de communication, dispositif électronique et support de stockage - Google Patents

Procédé et appareil de traitement de communication, dispositif électronique et support de stockage Download PDF

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Publication number
WO2023050999A1
WO2023050999A1 PCT/CN2022/108490 CN2022108490W WO2023050999A1 WO 2023050999 A1 WO2023050999 A1 WO 2023050999A1 CN 2022108490 W CN2022108490 W CN 2022108490W WO 2023050999 A1 WO2023050999 A1 WO 2023050999A1
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communication
frequency band
interference
working
ultra
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PCT/CN2022/108490
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English (en)
Chinese (zh)
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赵旭
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Oppo广东移动通信有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover

Definitions

  • the present application relates to the technical field of communication, and more specifically, to a communication processing method, device, electronic equipment, and storage medium.
  • Ultra Wide Band (UWB) communication With the rapid advancement of technology, Ultra Wide Band (UWB) communication has emerged. Moreover, since UWB communication itself has a strong anti-interference capability, UWB technology has begun to be widely used in various application scenarios. However, there are many communication modules in the electronic equipment, which will still cause interference to UWB communication and affect the communication effect.
  • UWB Ultra Wide Band
  • the present application proposes a communication processing method, device, electronic equipment, and storage medium.
  • the embodiment of the present application provides a communication processing method, which is applied to an electronic device, and the method includes: when the electronic device enables ultra-wideband communication and target communication, acquiring the work of the ultra-wideband communication channel, and the working frequency band of the target communication; based on the frequency band corresponding to the working channel and the working frequency band, it is determined that there is interference between the ultra-wideband communication and the target communication, wherein the different working channels correspond to The frequency bands are different; in response to interference between the ultra-wideband communication and the target communication, switch the working channel of the ultra-wideband communication.
  • the embodiment of the present application provides a communication processing device, which is applied to electronic equipment, and the device includes: a frequency band acquisition module, an interference determination module, and a channel switching module, wherein the frequency band acquisition module is used for When the electronic device enables ultra-wideband communication and target communication, acquire the working channel of the ultra-wideband communication and the working frequency band of the target communication; the interference determination module is configured to use the frequency band corresponding to the working channel and the Working frequency band, it is determined that there is interference between the ultra-wideband communication and the target communication, wherein the frequency bands corresponding to different working channels are different; the channel switching module is used to respond to the ultra-wideband communication and the target communication If there is interference between them, switch the working channel of the ultra-wideband communication.
  • the embodiment of the present application provides an electronic device, including: one or more processors; memory; one or more application programs, wherein the one or more application programs are stored in the memory and The one or more programs are configured to be executed by the one or more processors, and the one or more programs are configured to execute the communication processing method provided in the first aspect above.
  • an embodiment of the present application provides a computer-readable storage medium, where program code is stored in the computer-readable storage medium, and the program code can be invoked by a processor to perform the communication provided by the first aspect above. Approach.
  • FIG. 1 shows a schematic diagram of the principle of mutual interference suppression provided by an embodiment of the present application.
  • FIG. 2 shows a schematic diagram of an application environment of the communication processing method provided by the embodiment of the present application.
  • Fig. 3 shows a flowchart of a communication processing method according to an embodiment of the present application.
  • Fig. 4 shows a flowchart of a communication processing method according to another embodiment of the present application.
  • FIG. 5 shows a flow chart of step S220 in the communication processing method provided by another embodiment of the present application.
  • FIG. 6 shows a schematic diagram of harmonic interference provided by the embodiment of the present application.
  • FIG. 7 shows a schematic diagram of adjacent-channel interference provided by the embodiment of the present application.
  • FIG. 8 shows another schematic diagram of adjacent-channel interference provided by the embodiment of the present application.
  • Fig. 9 shows a flowchart of a communication processing method according to yet another embodiment of the present application.
  • Fig. 10 shows a block diagram of a communication processing device according to an embodiment of the present application.
  • Fig. 11 is a block diagram of an electronic device for executing the communication processing method according to the embodiment of the present application according to the embodiment of the present application.
  • Fig. 12 is a storage unit for storing or carrying program codes for realizing the communication processing method according to the embodiment of the present application according to the embodiment of the present application.
  • Ultra Wideband (Ultra Wide Band, UWB): It is a new type of carrier-free communication technology. Because it realizes wireless transmission by sending and receiving extremely narrow pulses below the nanosecond or microsecond level, it has ultra-large bandwidth and low bandwidth. The transmit power can further realize fast data transmission at a low power consumption level. Due to the above-mentioned advantages of the UWB technology, it is widely used in various scenarios.
  • GNSS Global Navigation Satellite System
  • UWB technology has strong anti-interference ability, and UWB technology can provide millimeter-level precise positioning in places such as indoors/buildings/streets through TDOA/PDOA. Therefore, in the process of laying the positioning network, a large number of UWB anchor points are usually laid at the foot of the wall to apply to wireless network access and positioning of each UWB terminal in indoors/buildings/streets, etc.
  • harmonic interference means that the harmonics of a certain communication system (low frequency band) fall into the working frequency band of another communication system (high frequency band), causing the work of another communication system to be affected.
  • A usually interferes with B, but B does not interfere with A. Therefore, the cause of harmonic interference may be that the frequency range of the communication frequency band of other communications overlaps with the frequency range of UWB; about
  • Adjacent frequency interference means that the operating frequency bands of a certain communication system and another communication system are similar, and the two communication systems will affect each other when they work.
  • a and B are similar, A usually interferes with B, and B also interferes. Interference A.
  • filters are usually added in the radio frequency transmission path of other communication modules to suppress the interference of its harmonics to the UWB network.
  • filters are usually added in the radio frequency transmission path of other communication modules to suppress the interference of its harmonics to the UWB network.
  • Figure 1 through Add a filter to the radio frequency path of the cellular Cellular to suppress the mutual interference between UWB and Cellular; for the adjacent frequency interference between UWB and other communications, it is usually to increase the antenna isolation between the two (by increasing the space distance) , to solve the mutual interference between UWB and adjacent frequency bands of other communications.
  • it is necessary to add additional components or increase the internal space of the electronic device in order to achieve the effect of reducing interference. Therefore, it will bring about an increase in cost and an increase in the volume of the electronic device.
  • the inventor proposes a communication processing method, device, electronic device, and storage medium provided by the embodiments of the present application, which can realize UWB communication and target communication according to the UWB communication channel and target communication when the electronic device simultaneously enables
  • the working frequency band of the target communication determines whether there is interference.
  • interference by switching the working channel of the ultra-wideband communication, the interference between the ultra-wideband communication and the target communication is reduced, and the communication performance and effect of the electronic equipment are improved.
  • the specific communication processing method will be described in detail in the subsequent embodiments.
  • Fig. 2 shows a kind of structural diagram of the electronic equipment that the embodiment of the present application provides
  • electronic equipment 100 can comprise AP (application processor, Application Processor) module 11, UWB chip 12, Cellular chip 13 and WIFI Chip 14.
  • AP application processor, Application Processor
  • UWB chip 12, Cellular chip 13 and WIFI chip 14 are all connected with AP module 11, and UWB chip 12, Cellular chip 13 and WIFI chip 14 can report respective communication information to AP module 11 of CPU chip, and AP module can these
  • the communication chip issues command control.
  • the AP module 11 can be a central processing unit (Central Processing Unit, CPU), etc.; the communication information can include communication status, such as operating frequency band, signal strength, etc., which is not limited here, so that the AP module 11 can obtain the information of these communication chips state, and can control these communication chips.
  • the electronic device 100 may also include other communication chips, such as a Bluetooth chip, a zigbee (Zigbee) chip, and the like.
  • FIG. 3 shows a schematic flowchart of a communication processing method provided by an embodiment of the present application.
  • the communication processing method is applied to a communication processing device 400 as shown in FIG. 10 and an electronic device 100 ( FIG. 11 ) configured with the communication processing device 400 .
  • the following will take an electronic device as an example to illustrate the specific process of this embodiment.
  • the electronic device applied in this embodiment may be a smart phone, a tablet computer, a smart watch, etc., which is not limited here.
  • the flow shown in FIG. 3 will be described in detail below, and the communication processing method may specifically include the following steps:
  • Step S110 When the electronic device enables UWB communication and target communication, acquire a working channel of the UWB communication and a working frequency band of the target communication.
  • the electronic device can obtain the working status of each communication module in real time, so that when the UWB communication module and the target communication module are turned on at the same time, that is, when the UWB communication and the target communication There may be mutual interference between UWB communication and target communication in the device to reduce it.
  • the target communication can be other communication except ultra-wideband communication.
  • the target communication can include at least one of cellular communication, WIFI communication and Bluetooth communication, and the electronic device can determine the interference between UWB communication and other communication; It is UWB communication.
  • the electronic device includes at least two UWB modules. When at least two UWB modules are enabled for communication, the electronic device can also determine the interference between UWB communications.
  • the electronic device obtains the working channel of the ultra-wideband communication and the working frequency band of the target communication when it is determined that any of the UWB communication and the target communication is enabled at the same time, so as to determine whether there is interference between the UWB communication and the target communication That is to say, as long as at least two kinds of communication are enabled at the same time, and the at least two kinds of communication include UWB communication, the electronic device can obtain the working channel of UWB communication and the working frequency band of the target communication.
  • UWB communication usually has multiple working channels, and the frequency ranges of different working channels are different, and other communications will also work in the corresponding frequency bands when they are working. In this case, there will be a working channel corresponding to UWB communication.
  • the corresponding conditions are met between the working frequency band of the target communication, there may be interference between the UWB communication and the target communication. Therefore, it can be determined for the interference that may occur in the electronic device.
  • the electronic device can simultaneously enable UWB communication and target communication in various scenarios, for example, when the electronic device is used in an augmented reality (Augmented Reality, AR) scenario, the electronic device can simultaneously enable UWB communication and WIFI communication , so that real scene positioning can be performed through UWB communication, and AR resource content can be obtained through WIFI communication; for another example, when the electronic device is used to play music through a connected Bluetooth headset, and the electronic device is used for indoor positioning, this When the electronic device simultaneously turns on the UWB communication and the Bluetooth communication, it is possible to use the UWB for positioning and at the same time to use the Bluetooth headset to output music.
  • the specific scenario where the electronic device enables UWB communication and target communication at the same time may not be limited.
  • the processor of the electronic device can obtain the working channel it is in from the UWB communication module, and obtain its working frequency band from the communication module corresponding to the target communication.
  • the electronic device can also control the operating system to enter the setting mode, so that the working channel of the UWB communication in the working state and the working frequency band of the target communication can be obtained.
  • the setting mode can be the engineering mode corresponding to the operating system. This is not limited.
  • Step S120 Based on the frequency band corresponding to the working channel and the working frequency band, it is determined that there is interference between the UWB communication and the target communication, wherein the frequency bands corresponding to different working channels are different.
  • the electronic device after the electronic device obtains the working channel of UWB communication and the working frequency band of the target communication, it can determine the UWB communication and the target frequency based on the frequency band (frequency range) and working frequency band corresponding to the obtained working channel. Whether there is interference between the communications, so that when it is determined that there is interference between the UWB communication and the target communication, corresponding processing is performed, thereby reducing the interference between the UWB communication and the target communication.
  • the electronic device may determine whether the two meet the interference condition of any interference type based on the frequency band corresponding to the working channel and the working frequency band of the target communication according to different interference types.
  • different interference types correspond to different interference conditions, and it may be determined whether there is any type of interference between the UWB communication and the target communication based on the interference conditions, the frequency band of the UWB communication, and the working frequency band of the target communication.
  • harmonic interference it can be determined whether the multiplier of the operating frequency band of the target communication falls within the frequency band of UWB communication, thereby determining whether there is harmonic interference between the UWB communication and the target communication.
  • step S110 and step S120 may be performed for each of the target communications. In order to determine whether there is interference between each communication in the UWB communication and the target communication, and perform corresponding processing based on the determination result. That is to say, based on the frequency band corresponding to the working channel and the working frequency band of each target communication, it is determined whether there is interference between the UWB communication and each of the target communications.
  • step S130 is executed subsequently, the working channel of the ultra-wideband communication may be switched in response to interference between the ultra-wideband communication and any of the target communications.
  • Step S130 In response to interference between the ultra-wideband communication and the target communication, switch the working channel of the ultra-wideband communication.
  • the electronic device when the electronic device determines that there is interference between the UWB communication and the target communication, in order to reduce the interference between the UWB communication and the target communication, the electronic device may switch the working channel of the UWB communication. Among them, the electronic device switches the working channel of UWB communication. According to the type of interference, the frequency band corresponding to the above working channel and the above working frequency band, the working channel of UWB communication can be switched to other channels, so that UWB communication can communicate with the target. In theory, there is no interference between them, thereby reducing the possibility of interference between UWB communication and target communication.
  • the electronic device may store mapping tables corresponding to different types of interference, wherein, in the mapping table, the target communication is stored in each possible working frequency band, and the working channel that UWB communication can choose, and can choose The working channel can ensure that there is no communication interference of this type of interference between UWB communication and target communication.
  • the electronic device can switch the working channel of the UWB communication to an optional working channel based on the mapping table. For example, as shown in the table below, which shows the mapping table for harmonic interference,
  • this table is only an exemplary illustration corresponding to the mapping table corresponding to the harmonic interference.
  • the electronic device may, in response to interference between the UWB communication and the target communication, sequentially determine whether there is interference with the target communication for each of the other working channels of the UWB communication, That is to say, based on the frequency band corresponding to each working channel in other working channels and the working frequency band of the target communication in turn, it is determined whether there is interference, so as to determine the working channel without interference and use it as the working channel to be switched to channel, and then switch the working channel of the UWB communication to the working channel to be switched.
  • other working channels are working channels other than the current working channel in the communication channel of UWB communication.
  • the electronic device responds to the interference between the UWB communication and the target communication, and the specific way of switching the working channel of the UWB communication is not limited. It only needs to make the channel of the UWB communication adjusted. There should be no interference between them.
  • the number of target communication enabled by the electronic device may be multiple.
  • the electronic device when the electronic device switches the working channel of UWB communication, it can determine the communication frequency with each target according to the working frequency band of each target communication. The working channel corresponding to the frequency band where there is no interference in the communication, and the working channel of UWB communication is switched to the determined working channel, so that the interference between UWB communication and target communication can be avoided theoretically.
  • the working frequency band of the target communication can be adjusted, and after the working frequency band is adjusted, the channel corresponding to the frequency band that does not interfere with each kind of communication can be determined.
  • the target communication includes cellular communication and WIFI communication
  • the frequency band corresponding to the UWB working channel is 4441.2-4940.4MHz
  • the working frequency band of WIFI communication is 4920-4930MHz
  • the working frequency band of cellular communication is 2320-2370MHz.
  • UWB There is adjacent frequency interference between communication and WIFI communication, and there is harmonic interference between UWB communication and cellular communication, so it is necessary to prevent interference between UWB communication, WIFI communication and cellular communication at the same time.
  • the working frequency band of WIFI communication can be changed through electronic equipment, so that Its working frequency band is a frequency band in the 5GHz frequency band (5925-7125MHz), and channel 9 (7489.6-8489.6MHz) can be found at this time, which can effectively avoid harmonic interference between UWB communication and cellular communication, and can also Avoid adjacent frequency interference between UWB communication and WIFI communication.
  • the target communication includes communications that cannot directly change the working frequency
  • the working frequency can also be changed by requesting resources from the electronic device, so that the electronic device can switch the UWB working channel to an appropriate working channel, for example , the target communication includes cellular communication, at this time, the base station may be requested to schedule resources so that the frequency band of the cellular communication is adjusted.
  • the communication processing method provided by the embodiment of the present application can determine whether there is interference according to the channel of ultra-wideband communication and the working frequency band of other communications when the electronic device enables ultra-wideband communication and target communication at the same time. Next, by switching the working channel of ultra-wideband communication, the interference between ultra-wideband communication and target communication can be reduced, the communication performance and effect of electronic equipment can be improved, and the communication effect of UWB communication can be improved.
  • FIG. 4 shows a schematic flowchart of a communication processing method provided by another embodiment of the present application.
  • the communication processing method is applied to the above-mentioned electronic equipment, and the flow shown in FIG. 4 will be described in detail below, and the communication processing method may specifically include the following steps:
  • Step S210 When the electronic device enables UWB communication and target communication, acquire a working channel of the UWB communication and a working frequency band of the target communication.
  • step S210 reference may be made to the contents of other embodiments, which will not be repeated here.
  • Step S220 Based on the frequency band corresponding to the working channel and the working frequency band, it is determined that there is harmonic interference or adjacent frequency interference between the UWB communication and the target communication, wherein the frequency bands corresponding to different working channels are different .
  • the interference between UWB communication and target communication mainly includes harmonic interference and adjacent frequency interference.
  • electronic equipment determines the interference between UWB communication and target communication, it can The frequency band corresponding to the channel and the working frequency band of the target communication determine whether there is harmonic interference or adjacent frequency interference between the UWB communication and the target communication, so as to determine whether there is harmonic interference or adjacent frequency interference between the UWB communication and the target communication , the communication of the electronic device is processed.
  • the electronic device can determine whether there is harmonic interference between the UWB communication and the target communication based on the harmonic interference condition, and determine whether there is adjacent-frequency interference between the UWB communication and the target communication based on the adjacent-frequency interference condition.
  • the electronic device determines that there is harmonic interference or adjacent frequency interference between the UWB communication and the target communication based on the frequency band corresponding to the working channel and the working frequency band, Can include:
  • Step S221 If it is determined based on the working frequency band that the octave range of the target communication overlaps with the frequency band corresponding to the working channel, then it is determined that there is harmonic interference between the UWB communication and the target communication .
  • the electronic device can determine whether the octave range of the target communication overlaps with the frequency band corresponding to the working channel, so as to determine whether the target communication generates harmonic interference to the UWB communication.
  • the electronic device can obtain the frequency range of the uplink communication or the frequency range of the downlink communication of the target communication as the first frequency range; obtain the frequency range of the downlink communication corresponding to the working channel as the second frequency range; if the first frequency range overlaps with the second frequency range, it is determined that there is harmonic interference between the UWB communication and the target communication.
  • the frequency range of uplink communication and downlink communication of general communication are the same, so the frequency octave range of uplink communication or downlink communication of target communication can be obtained based on the working frequency band of target communication.
  • the cause of harmonic interference is usually that the operating frequency range of one communication falls into the downlink frequency range of another communication, therefore, the frequency range of downlink communication of UWB communication can also be obtained. Then judge whether the multiplier range overlaps with the frequency range of the downlink communication of UWB communication. If there is overlap, it means that there is harmonic interference between the target communication and UWB communication. If there is no overlap, it means that the target communication and UWB communication There is no harmonic interference between them.
  • the frequency range of UWB downlink communication is 5989.6 ⁇ 6989.6MHz; the target communication is cellular communication, and its frequency range is 3300 ⁇ 3400MHz, then its multiplier range is 6600 ⁇ 6800MHz, and the frequency range of 5989.6 ⁇ 6989.6MHz
  • the frequency range includes the frequency range of 6600-6800 MHz, so it can be determined that current cellular communication will cause harmonic interference to UWB communication.
  • Step S222 If the interval between the frequency band corresponding to the working channel and the working frequency band is less than a preset frequency, it is determined that there is adjacent frequency interference between the UWB communication and the target communication.
  • the electronic device can obtain the frequency interval between the frequency band corresponding to UWB communication and the working frequency band of target communication.
  • the working frequency band of the target communication is 5925-7125MHz
  • the corresponding frequency band of the working channel of UWB communication is 5989.6-6989.6MHz.
  • the frequency band of 5925-7125MHz includes the frequency band of 5989.6-6989.6MHz, and the interval frequency between the two is 0;
  • the frequency band corresponding to the working channel of UWB is 4441.2-4940.4 MHz
  • the electronic device After the electronic device obtains the frequency interval between the frequency band corresponding to UWB communication and the working frequency band of the target communication, it can compare the interval frequency with the preset frequency. If the interval frequency is less than the preset frequency, it means that UWB communication and Adjacent frequency interference exists between the target communications; on the contrary, if the interval frequency is not less than the preset frequency, it means that there is no adjacent frequency interference between the UWB communication and the target communication.
  • the specific value of the preset frequency may not be limited, for example, it may be 2 Hz, 5 Hz, 10 Hz and so on.
  • the frequency of the above interval is less than the preset frequency, including two cases, one case is that there is overlap between the frequency band corresponding to the working channel of UWB communication and the working frequency band of the target communication, that is, the frequency of the interval is 0; In one case, the frequency interval between the frequency band corresponding to the working channel of the UWB communication and the working frequency band of the target communication is greater than 0, but less than the preset frequency.
  • the frequency band corresponding to the UWB working channel is 4441.2-4940.4MHz
  • the working frequency band of WIFI communication is 4935-4945MHz. At this time, there is an overlapping part between the two at 4935-4940.4MHz.
  • the interval frequency is 0, therefore, there is adjacent frequency interference between the two; as another example, as shown in Figure 8, the frequency band corresponding to the UWB working channel is 4441.2-4940.4MHz, and the working frequency band of WIFI communication is 4943-4953MHz, then the two The frequency of the interval between the two is 2.6 Hz. If the preset frequency is 5 Hz, the frequency of the interval between the two is less than 5 Hz. Therefore, it can be determined that there is adjacent frequency interference between the UWB communication and the target communication.
  • the electronic device determines that the multiplier range of the target communication overlaps with the frequency band corresponding to the working channel based on the working frequency band, it can also obtain the signal quality parameter of the UWB communication.
  • the signal quality parameter may include received signal strength, packet loss rate, retransmission rate, etc., and the specific signal quality parameter may not be limited.
  • the signal quality parameter of UWB communication After obtaining the signal quality parameter of UWB communication, it can be judged whether the signal quality parameter of UWB communication satisfies the first parameter condition, if the first parameter condition is met, then it is determined that there is harmonic interference between the UWB communication and the target communication; otherwise , it is determined that there is no harmonic interference between the UWB communication and the target communication.
  • the first parameter condition may be: one or more of: the received signal strength is lower than the preset signal strength, the packet loss rate is greater than the preset packet loss rate, and the retransmission rate is greater than the preset retransmission rate, that is, UWB communication
  • the signal quality parameter satisfies the first parameter condition, it means that the signal quality of the UWB communication is poor, and there is harmonic interference at this time.
  • the electronic device can obtain The signal quality parameter of the target communication, and judge whether the signal quality parameter of the target communication satisfies the second parameter condition, if the second parameter condition is met, it can be determined that there is adjacent frequency interference between the UWB communication and the target communication; otherwise, it can be determined There is no adjacent frequency interference between outgoing UWB communication and target communication.
  • the second parameter condition may also be one or more of: the received signal strength is lower than the preset signal strength, the packet loss rate is higher than the preset packet loss rate, and the retransmission rate is higher than the preset retransmission rate.
  • the signal quality parameter of UWB communication can be obtained, and the signal of UWB communication The quality parameters match the set parameter conditions. If the signal quality parameters of UWB communication meet the set parameter conditions, it can be determined that there is adjacent frequency interference between UWB communication and target communication; otherwise, it can be determined that UWB communication and target communication There is no adjacent frequency interference between communications.
  • the specific manner for the electronic device to determine whether there is interference between the UWB communication and the target communication may not be limited.
  • Step S230 In response to interference between the ultra-wideband communication and the target communication, based on the interference type of the interference, the frequency band corresponding to the working channel, and the working frequency band, switch the working channel of the ultra-wideband communication .
  • the electronic device may switch the working channel of the UWB communication based on the interference type, the frequency band corresponding to the working channel and the working frequency band.
  • the determined interference is harmonic interference
  • the frequency bands are spaced between channels with a frequency greater than the preset frequency.
  • the preset mapping table between the received signal parameter and the communication frequency point can also be used , the UWB adjustment working frequency band is limited and the preset forbidden frequency band cannot be used.
  • the electronic device can determine the frequency points whose signal quality parameters do not meet the above-mentioned first parameter condition from the preset mapping table, and determine the frequency bands corresponding to these frequency points as the target frequency band; when switching channels, the target frequency band can be excluded , that is to say, switch the UWB working channel to a channel corresponding to another frequency band other than the target frequency band, thereby ensuring the communication quality of the UWB communication.
  • the working channels of UWB communication include multiple, that is, when a data transmission is completed, it may use multiple working channels to transmit data, If after the UWB working channels are switched, the number of the switched working channels is smaller than the number of the working channels before the switching, the bandwidth will become smaller, and the data transmission speed will be affected at this time. In this case, the transmission power of the UWB communication can be increased, thereby ensuring the signal quality of the UWB, reducing the number of data retransmissions, and thus ensuring the efficiency of data transmission.
  • the communication processing method provided by the embodiment of the present application can realize whether there is harmonic interference or adjacent frequency according to the channel of ultra-wideband communication and the working frequency band of target communication when the electronic device enables ultra-wideband communication and target communication at the same time.
  • switch the working channel of ultra-wideband communication according to the type of interference so as to reduce the harmonic interference and adjacent frequency interference between ultra-wideband communication and target communication, and improve the communication performance and effect of electronic equipment. Improve the communication effect of UWB communication.
  • FIG. 9 shows a schematic flowchart of a communication processing method provided in another embodiment of the present application.
  • the communication processing method is applied to the above-mentioned electronic device, and the flow shown in FIG. 9 will be described in detail below.
  • the communication processing method may specifically include the following steps:
  • Step S310 When the electronic device enables ultra-wideband communication and target communication, if the electronic device displays augmented reality or mixed reality content, locate real objects in real scenes through the ultra-wideband communication , acquiring the working channel of the UWB communication and the working frequency band of the target communication.
  • UWB communication when the electronic device enables UWB communication and target communication at the same time, if UWB communication is used for AR scene or mixed reality (Mixed Reality, MR) content display positioning, UWB is always in the working state at this time, so Communication interference needs to be avoided, thereby ensuring the accuracy of positioning. Therefore, in this case, the working channel of the UWB communication and the working frequency band of the target communication can be obtained, and subsequent steps can be performed, so as to ensure the positioning accuracy of the electronic device when locating a real object in a real scene.
  • MR Mixed reality
  • Step S320 Based on the frequency band corresponding to the working channel and the working frequency band, it is determined that there is interference between the UWB communication and the target communication, wherein the frequency bands corresponding to different working channels are different.
  • Step S330 In response to interference between the ultra-wideband communication and the target communication, switch the working channel of the ultra-wideband communication.
  • Step S340 Suspend the data transmission of the target communication.
  • the electronic device when the electronic device determines that there is interference between the UWB communication and the target communication, when switching the working channel of the UWB communication, it takes a certain amount of time to determine the working channel to switch to and the switching process However, in the process of switching the working channel of the UWB communication by the electronic device, interference will still be caused, thereby affecting the positioning accuracy of the electronic device using UWB for positioning.
  • the electronic device can suspend the data transmission of the target communication, so as to avoid generating interference signals to the UWB communication.
  • the electronic device may simultaneously suspend the data transmission of the uplink communication and the data transmission of the downlink communication of the target communication.
  • WIFI communication or cellular communication when the electronic device is used for content display in an AR or MR scene, WIFI communication or cellular communication is usually turned on, so as to obtain resources to be displayed from other devices (such as a server, etc.) through WIFI communication or cellular communication, Therefore, in this scenario, the electronic device usually receives the data transmitted by the server, that is to say, the target communication is usually in the state of downlink transmission for a long time, while the uplink transmission is relatively rare, and the interference to UWB communication is also small. In this case, only the data transmission of the downlink communication of the target communication may be suspended.
  • Step S350 When the positioning of the real object in the real scene is completed through the ultra-wideband communication and the pose of the electronic device does not change, resume the data transmission of the target communication.
  • the electronic device when used for positioning in the AR or MR scene, it will continuously locate the real scene, so as to update the displayed content when the position of the electronic device in the real scene changes; However, when the electronic device is in a certain posture (the posture does not change), and the positioning of the real object in the real scene is completed, the positioning effect will not affect the display of the content at this time. Therefore, when the positioning of the real object in the real scene is completed through ultra-wideband communication, and the pose of the electronic device does not change, the data transmission of the target communication can be resumed. In the gap where the posture changes, the data transmission of the suspended target communication is resumed, thereby realizing the required data transmission in this gap.
  • the posture the posture does not change
  • the electronic device before the electronic device completes the switching of the UWB working channel, but in the process of switching the working channel of the UWB communication by the electronic device, it will still cause interference to the UWB communication, thereby affecting the use of the UWB communication of the electronic device.
  • Positioning accuracy for positioning Therefore, in the case that the above determined interference is adjacent frequency interference, the communication frequency range of the target communication can be narrowed on the basis of the working frequency band, so as to reduce the adjacent frequency interference between the UWB communication and the target communication.
  • the communication processing method provided by the embodiment of the present application can realize the operation according to the ultra-wideband communication channel and target communication when the electronic device enables ultra-wideband communication and target communication at the same time, and when the electronic device performs positioning in an AR or MR scene through UWB Frequency band, determine whether there is interference, in the case of interference, switch the working channel of ultra-wideband communication to reduce the interference between ultra-wideband communication and target communication, improve the communication performance and effect of electronic equipment, and improve the communication effect of UWB communication .
  • the data transmission of the target communication is suspended, thereby ensuring the positioning accuracy in the process of switching the UWB working channel, and further ensuring the content display effect in the AR or MR scene.
  • FIG. 10 shows a structural block diagram of a communication processing device 400 provided by an embodiment of the present application.
  • the communication processing apparatus 400 applies the above-mentioned electronic equipment, and the communication processing apparatus 400 includes: a frequency band acquisition module 410 , an interference determination module 420 and a channel switching module 430 .
  • the frequency band acquisition module 410 is used to acquire the working channel of the ultra-wideband communication and the working frequency band of the target communication when the electronic device enables ultra-wideband communication and target communication;
  • the interference determining module 420 is configured to determine that there is interference between the ultra-wideband communication and the target communication based on the frequency band corresponding to the working channel and the working frequency band, wherein the frequency bands corresponding to different working channels are different;
  • the channel switching module 430 is configured to switch a working channel of the ultra-wideband communication in response to interference between the ultra-wideband communication and the target communication.
  • the interference determination module 420 may be configured to: determine that there is harmonic interference or adjacent frequency interference between the UWB communication and the target communication based on the frequency band corresponding to the working channel and the working frequency band .
  • the interference determination module 420 determines that there is harmonic interference or adjacent frequency interference between the UWB communication and the target communication based on the frequency band corresponding to the working channel and the working frequency band, and may It includes: if it is determined based on the working frequency band that the octave range of the target communication overlaps with the frequency band corresponding to the working channel, then it is determined that there is harmonic interference between the ultra-wideband communication and the target communication; and / or
  • the interval between the frequency band corresponding to the working channel and the working frequency band is less than a preset frequency, it is determined that adjacent frequency interference exists between the ultra-wideband communication and the target communication.
  • the interference determination module 420 may be configured to: if based on the working frequency band, it is determined that the octave range of the target communication overlaps with the frequency band corresponding to the working channel, and the signal quality parameter of the ultra-wideband communication If the first parameter condition is satisfied, then it is determined that there is harmonic interference between the UWB communication and the target communication.
  • the interference determining module 420 may also be configured to: if the interval between the frequency band corresponding to the working channel and the working frequency band is less than the preset frequency, and the signal quality parameter of the target communication satisfies the second parameter condition, determine It is found that adjacent frequency interference exists between the ultra-wideband communication and the target communication.
  • the interference determination module 420 may be configured to: acquire the frequency octave range of the uplink communication or the frequency octave range of the downlink communication of the target communication as the first frequency range based on the working frequency band; acquire the frequency range corresponding to the working channel The frequency range of the downlink communication is used as the second frequency range; if the first frequency range overlaps with the second frequency range, it is determined that there is harmonic interference between the UWB communication and the target communication.
  • the channel switching module 430 may be configured to: respond to interference between the UWB communication and the target communication, based on the interference type of the interference, the frequency band corresponding to the working channel and the working The frequency band is used to switch the working channel of the ultra-wideband communication.
  • the frequency band acquisition module 410 may be configured to: when the electronic device enables ultra-wideband communication and target communication, if the electronic device displays augmented reality or mixed reality content, through the ultra-wideband If the broadband communication locates the real object in the real scene, the acquisition of the working channel of the ultra-wideband communication and the working frequency band of the target communication is performed.
  • the communication processing device 400 may also include a transmission suspension module and a transmission recovery module.
  • the transmission suspension module is used to suspend the data transmission of the target communication after determining that there is interference between the ultra-wideband communication and the target communication based on the frequency band corresponding to the working channel and the working frequency band;
  • the recovery module is used to recover the data transmission of the target communication when the positioning of the real object in the real scene is completed through the ultra-wideband communication and the pose of the electronic device does not change.
  • the communication processing apparatus 400 may further include a frequency band adjustment module.
  • the frequency band adjustment module is configured to determine that there is interference between the ultra-wideband communication and the target communication based on the frequency band corresponding to the working channel and the working frequency band, if the interference is adjacent frequency interference, On the basis of the working frequency band, the communication frequency range of the target communication is narrowed.
  • the coupling between the modules may be electrical, mechanical or other forms of coupling.
  • each functional module in each embodiment of the present application may be integrated into one processing module, each module may exist separately physically, or two or more modules may be integrated into one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules.
  • the solution provided by this application obtains the working channel of ultra-wideband communication and the working frequency band of target communication when the electronic device enables ultra-wideband communication and target communication, based on the frequency band corresponding to the working channel and In the working frequency band, it is determined that there is interference between the UWB communication and the target communication, wherein different working channels correspond to different frequency bands, and in response to the interference between the UWB communication and the target communication, the working channel of the UWB communication is switched.
  • the working channel can reduce the interference between ultra-wideband communication and target communication, and improve the communication performance and effect of electronic equipment.
  • the electronic device 100 may be an electronic device capable of running application programs, such as a smart phone, a tablet computer, a smart watch, smart glasses, and a notebook computer.
  • the electronic device 100 in the present application may include one or more of the following components: a processor 110, a memory 120, and one or more application programs, wherein one or more application programs may be stored in the memory 120 and configured to be used by One or more processors 110 are executed, and one or more programs are configured to execute the methods described in the foregoing method embodiments.
  • Processor 110 may include one or more processing cores.
  • the processor 110 uses various interfaces and lines to connect various parts of the entire electronic device 100, and executes or executes instructions, programs, code sets or instruction sets stored in the memory 120, and calls data stored in the memory 120 to execute Various functions of the electronic device 100 and processing data.
  • the processor 110 may adopt at least one of Digital Signal Processing (Digital Signal Processing, DSP), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), and Programmable Logic Array (Programmable Logic Array, PLA). implemented in the form of hardware.
  • the processor 110 may integrate one or a combination of a central processing unit (Central Processing Unit, CPU), a graphics processing unit (Graphics Processing Unit, GPU), a modem, and the like.
  • the CPU mainly handles the operating system, user interface and application programs, etc.; the GPU is used to render and draw the displayed content; the modem is used to handle wireless communication. It can be understood that, the above-mentioned modem may not be integrated into the processor 110, but may be realized by a communication chip alone.
  • the memory 120 may include random access memory (Random Access Memory, RAM), and may also include read-only memory (Read-Only Memory).
  • the memory 120 may be used to store instructions, programs, codes, sets of codes, or sets of instructions.
  • the memory 120 may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing an operating system and instructions for implementing at least one function (such as a touch function, a sound playback function, an image playback function, etc.) , instructions for implementing the following method embodiments, and the like.
  • the storage data area can also store data created during use of the electronic device 100 (such as phonebook, audio and video data, chat record data) and the like.
  • FIG. 12 shows a structural block diagram of a computer-readable storage medium provided by an embodiment of the present application.
  • Program codes are stored in the computer-readable medium 800, and the program codes can be invoked by a processor to execute the methods described in the foregoing method embodiments.
  • the computer readable storage medium 800 may be an electronic memory such as flash memory, EEPROM (Electrically Erasable Programmable Read Only Memory), EPROM, hard disk, or ROM.
  • the computer-readable storage medium 800 includes a non-transitory computer-readable storage medium (non-transitory computer-readable storage medium).
  • the computer-readable storage medium 800 has a storage space for program code 810 for executing any method steps in the above-mentioned methods. These program codes can be read from or written into one or more computer program products.
  • Program code 810 may, for example, be compressed in a suitable form.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande concerne un procédé et un appareil de traitement de communication, ainsi qu'un dispositif électronique et un support de stockage. Le procédé de traitement de communication est appliqué au dispositif électronique. Le procédé consiste à : lorsqu'un dispositif électronique permet une communication à bande ultra-large et une communication cible, obtenir un canal de travail de la communication à bande ultra-large et une bande de travail de la communication cible ; d'après la bande correspondant au canal de travail et à la bande de travail, déterminer qu'un brouillage existe entre la communication à bande ultra-large et la communication cible, les différents canaux de travail correspondant à différentes bandes ; et en réponse à l'existence du brouillage entre la communication à bande ultra-large et la communication cible, commuter le canal de travail de la communication à bande ultra-large. Selon le procédé de la présente demande, le brouillage entre la communication à bande ultra-large et d'autres communications peut être réduit, ce qui permet d'améliorer les performances de communication.
PCT/CN2022/108490 2021-09-29 2022-07-28 Procédé et appareil de traitement de communication, dispositif électronique et support de stockage WO2023050999A1 (fr)

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