CN108848536B - Bandwidth control method and device and communication equipment - Google Patents
Bandwidth control method and device and communication equipment Download PDFInfo
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- CN108848536B CN108848536B CN201810683302.1A CN201810683302A CN108848536B CN 108848536 B CN108848536 B CN 108848536B CN 201810683302 A CN201810683302 A CN 201810683302A CN 108848536 B CN108848536 B CN 108848536B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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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
- H04B17/318—Received signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/20—Negotiating bandwidth
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- 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
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- 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
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The disclosure provides a bandwidth control method, a bandwidth control device and communication equipment, and relates to the technical field of communication. The bandwidth control method comprises the following steps: obtaining state parameters of opposite terminal equipment according to a preset time interval, wherein the state parameters are used for reflecting the signal intensity received by the opposite terminal equipment; obtaining a target bandwidth of the communication equipment according to the state parameter; and controlling the communication equipment to work under the target bandwidth. Thereby realizing the automatic control of the bandwidth.
Description
Technical Field
The disclosure relates to the technical field of communication, and in particular relates to a bandwidth control method, a bandwidth control device and communication equipment.
Background
Bandwidth, also commonly referred to as "channel bandwidth," refers to the amount of data that can be transmitted at a fixed time, the ability to transfer data in a communication channel, typically expressed in terms of transmission cycles per second or hertz (Hz). Bandwidth is an important standard for modulating a frequency range occupied by a carrier wave, and in each network protocol, the supported bandwidth is of a large variety.
Disclosure of Invention
In view of this, the disclosure provides a bandwidth control method, a bandwidth control device and a communication device.
In a first aspect, the present disclosure provides a bandwidth control method, applied to a communication device, the method including:
obtaining state parameters of opposite terminal equipment according to a preset time interval, wherein the state parameters are used for reflecting the signal intensity received by the opposite terminal equipment;
obtaining a target bandwidth of the communication equipment according to the state parameter;
and controlling the communication equipment to work under the target bandwidth.
Optionally, the status parameter includes a received signal strength indication, RSSI;
the step of obtaining the target bandwidth of the communication device according to the state parameter comprises the following steps:
and comparing the RSSI of the opposite terminal equipment with a preset threshold value, and obtaining the target bandwidth of the communication equipment according to the comparison result, wherein the communication equipment stores the corresponding relation between each comparison result and each target bandwidth.
Optionally, the preset threshold is obtained by:
and obtaining one working mode selected by a user from a plurality of working modes, and taking a threshold value corresponding to the working mode selected by the user as a preset threshold value of the communication equipment, wherein the communication equipment stores the corresponding relation between each working mode and each threshold value.
Optionally, the number of the peer devices is multiple, and the step of comparing the RSSI of the peer device with a preset threshold includes:
and calculating to obtain a calculation result according to the RSSIs of the opposite terminal equipment, and comparing the calculation result with a preset threshold value.
Optionally, the step of controlling the communication device to operate under the target bandwidth includes:
judging whether the existing bandwidth of the communication equipment is consistent with the target bandwidth, and if the existing bandwidth of the communication equipment is inconsistent with the target bandwidth, switching the existing bandwidth of the communication equipment into the target bandwidth.
Optionally, the step of switching the existing bandwidth of the communication device to the target bandwidth includes:
judging whether the number of the messages interacted between the communication equipment and the opposite terminal equipment is smaller than a preset number, and if so, switching the existing bandwidth of the communication equipment into the target bandwidth.
Optionally, the step of switching the existing bandwidth of the communication device to the target bandwidth includes:
judging whether the time length from the last bandwidth switching reaches a set time length, and if so, switching the existing bandwidth of the communication equipment into the target bandwidth.
In a second aspect, the present disclosure provides a bandwidth control apparatus, applied to a communication device, the bandwidth control apparatus including:
the parameter obtaining module is used for obtaining state parameters of the opposite terminal equipment according to a preset time interval, wherein the state parameters are used for reflecting the signal intensity received by the opposite terminal equipment;
the information processing module is used for obtaining the target bandwidth of the communication equipment according to the state parameters;
and the bandwidth control module is used for controlling the communication equipment to work under the target bandwidth.
Optionally, the status parameter includes a received signal strength indication, RSSI;
the information processing module is used for comparing the RSSI of the opposite terminal equipment with a preset threshold value, and obtaining the target bandwidth of the communication equipment according to the comparison result, wherein the communication equipment stores the corresponding relation between each comparison result and each target bandwidth.
Optionally, the information processing module is configured to obtain the preset threshold value by: and obtaining one working mode selected by a user from a plurality of working modes, and taking a threshold value corresponding to the working mode selected by the user as a preset threshold value of the communication equipment, wherein the communication equipment stores the corresponding relation between each working mode and each threshold value.
Optionally, the number of the opposite terminal devices is multiple, and the information processing module is used for calculating to obtain a calculation result according to the RSSIs of the opposite terminal devices, and comparing the calculation result with a preset threshold value.
Optionally, the bandwidth control module is configured to determine whether an existing bandwidth of the communication device is consistent with the target bandwidth, and if the existing bandwidth of the communication device is inconsistent with the target bandwidth, switch the existing bandwidth of the communication device to the target bandwidth.
Optionally, the bandwidth control module is configured to determine whether the number of messages interacted between the communication device and the peer device is smaller than a preset number, and if so, switch the existing bandwidth of the communication device to the target bandwidth.
Optionally, the bandwidth control module is configured to determine whether a duration from a last bandwidth switching reaches a set duration, and if the duration reaches the set duration, switch an existing bandwidth of the communication device to the target bandwidth.
In a third aspect, the present disclosure provides a communication device comprising: the system comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor realizes the bandwidth control method when executing the program.
In a fourth aspect, the present disclosure provides a computer readable storage medium, where the computer readable storage medium includes a computer program, and when the computer program runs, controls a communication device where the computer readable storage medium is located to execute the above bandwidth control method.
According to the bandwidth control method, the bandwidth control device and the communication equipment, the target bandwidth of the communication equipment is obtained according to the state parameter analysis of the opposite terminal equipment, and the communication equipment is controlled to work under the target bandwidth, so that the automatic control of the bandwidth is realized.
The foregoing objects, features and advantages of the disclosure will be more readily apparent from the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings.
Drawings
For a clearer description of the technical solutions of the present disclosure, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present disclosure and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a block schematic diagram of a communication device provided in the present disclosure.
Fig. 2 is a flow chart of a bandwidth control method provided in the present disclosure.
Fig. 3 is another flow chart of a bandwidth control method provided in the present disclosure.
Fig. 4 is another flow chart of a bandwidth control method provided in the present disclosure.
Fig. 5 is another flow chart of a bandwidth control method provided in the present disclosure.
Fig. 6 is a block diagram of a bandwidth control apparatus provided in the present disclosure.
Icon: 10-a communication device; 11-memory; 12-a processor; 13-a network module; 20-bandwidth control means; 21-a parameter obtaining module; 22-an information processing module; and 23-a bandwidth control module.
Detailed Description
The rapid development of the internet has greatly changed the work and life of people, and with the development of the internet, wireless networks (Wireless networks) such as Wireless local area networks (Wireless Local Area Networks, WLAN) have also been rapidly developed. For example, to meet the ever-increasing high-speed traffic demands, various wireless network protocols have been formulated, such as 802.11n protocol, 802.11ac protocol, and the like. The wireless network protocols support a large variety of bandwidths, for example, the 802.11n protocol supports 20MHz bandwidth (hereinafter, HT 20) and 40MHz bandwidth (hereinafter, HT 40), which allows two adjacent 20MHz wireless channels to be used as one 40MHz wireless channel, so as to increase transmission efficiency. For another example, the 802.11ac protocol further increases the bandwidth to 80MHZ (hereinafter abbreviated HT 80) and 160MHZ (hereinafter abbreviated HT 160), allowing two adjacent 40MHZ radio channels to be used as one 80MHZ radio channel and two adjacent 80MHZ radio channels to be used as one 160MHZ radio channel, to increase the transmission efficiency.
The wireless channel is a data signal transmission channel using a radio wave signal as a transmission medium. Taking the common 2.4GHz (2.4-2.4835 GHz) radio band as an example, the radio band is generally divided into 13 radio channels, and the bandwidth of each radio channel is defined as 20MHz. The radio frequency band refers to electromagnetic spectrum in wireless communication frequency, and is usually applied in a Channel (Channel) manner, for example, IEEE 802.11 supports wireless application in two radio frequency bands, namely, 2.4GHz and 5 GHz. Wherein, the 2.4GHz frequency band refers to a wireless communication frequency spectrum in a frequency range of 2.4-2.4835GHz, and the 5GHz frequency band refers to a wireless communication frequency spectrum in a frequency range of 5.15GHz to 5.85 GHz. Bandwidth, also commonly referred to as "channel bandwidth", is an important standard for modulating the frequency range occupied by carriers, for example 802.11n, which has two wireless bandwidths: HT20 and HT40.HT20 compatibility is better, can reduce the overlapping of frequency bandwidth, and HT40 transmission performance is better, can improve transmission efficiency.
According to research, in practical application, the wireless network environment has larger uncertainty due to factors such as time change, service adjustment and the like, however, after the bandwidth selection is completed, the existing communication equipment cannot automatically modify and switch the bandwidth again according to the change of the network environment and the adjustment of service requirements so as to select the adaptive bandwidth meeting the requirements, and if the bandwidth is required to be modified again, the communication equipment is required to be restarted or the wireless function of the communication equipment is required to be restarted, so that the implementation is more inconvenient.
In view of this, the present disclosure provides a bandwidth control method, apparatus, and communication device, which analyze according to a state parameter of an opposite terminal device to obtain a target bandwidth of the communication device, and control the communication device to work under the target bandwidth, thereby implementing automatic control of the bandwidth, and implementing more convenient implementation.
The present invention is directed to a method for manufacturing a semiconductor device, and a semiconductor device manufactured by the method.
The following description of the embodiments of the present disclosure will be made clearly and fully with reference to the accompanying drawings in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present disclosure. The components of the present disclosure, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present disclosure provided in the accompanying drawings is not intended to limit the scope of the disclosure, as claimed, but is merely representative of selected embodiments of the disclosure. All other embodiments, which can be made by those skilled in the art based on the embodiments of this disclosure without making any inventive effort, are intended to be within the scope of this disclosure.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
As shown in fig. 1, there is a block schematic diagram of a communication device 10 provided by the present disclosure. The communication device 10 in the present disclosure may be a wireless router, a wireless access point, or a device having a wireless communication function, where the communication device 10 may be accessible to a peer device, such as a user terminal. As shown in fig. 1, the communication device 10 includes: memory 11, processor 12, network module 13 and bandwidth control device 20.
The memory 11, the processor 12 and the network module 13 are electrically connected directly or indirectly to each other to realize data transmission or interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The memory 11 stores therein a bandwidth control device 20, the bandwidth control device 20 includes at least one software functional module that may be stored in the memory 11 in the form of software or firmware, and the processor 12 executes various functional applications and data processing, i.e., implements the bandwidth control method in the present disclosure, by running software programs and modules stored in the memory 11, such as the bandwidth control device 20 in the present disclosure.
The Memory 11 may be, but is not limited to, a random access Memory (Random Access Memory, RAM), a Read Only Memory (ROM), a programmable Read Only Memory (Programmable Read-Only Memory, PROM), an erasable Read Only Memory (Erasable Programmable Read-Only Memory, EPROM), an electrically erasable Read Only Memory (Electric Erasable Programmable Read-Only Memory, EEPROM), etc. The memory 11 is used for storing a program, and the processor 12 executes the program after receiving an execution instruction.
The processor 12 may be an integrated circuit chip having data processing capabilities. The processor 12 may be a general-purpose processor including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), etc. The methods, steps, and logic blocks disclosed in this disclosure may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The network module 13 is configured to establish a communication connection between the communication device 10 and an external communication terminal through a network, and implement a transceiver operation of network signals and data. The network signals may include wireless signals or wired signals.
It is to be understood that the configuration shown in fig. 1 is merely illustrative and that communication device 10 may also include more or fewer components than shown in fig. 1 or have a different configuration than shown in fig. 1. The components shown in fig. 1 may be implemented in hardware, software, or a combination thereof.
On the basis of the above, the present disclosure further provides a computer readable storage medium, where the computer readable storage medium includes a computer program, and when the computer program runs, controls the communication device 10 where the computer readable storage medium is located to execute the following bandwidth control method.
Referring to fig. 2 in combination, the present disclosure provides a bandwidth control method applied to the communication device 10, and may be executed by the processor 12 to implement bandwidth control of the communication device 10. The bandwidth control method comprises the following steps.
Step S11, obtaining state parameters of the opposite terminal equipment according to a preset time interval.
The preset time interval may be flexibly set, for example, if it is considered that the wireless network is generally stable, the frequency bandwidth is not required to be frequently switched, and the system resource of the communication device 10 may be wasted due to the frequent switching of the frequency bandwidth, the preset time interval may be set to be longer. For another example, if the current change condition of the wireless network needs to be analyzed in time, so as to switch the bandwidth in time when the wireless network changes, the preset time interval can be set to be a shorter time. For another example, if the system resource waste condition of the communication device 10 and the bandwidth switching timeliness are comprehensively considered, the preset time interval may be set to a moderate time. Alternatively, the preset time interval may be any duration within 45-75 minutes, such as 45 minutes, 50 minutes, 60 minutes, 70 minutes, etc.
The opposite terminal device may be a mobile phone, a tablet computer (PAD, portable Android Device), a notebook computer, or the like, which can establish a wireless connection with the communication device 10.
The state parameter is used for reflecting the signal intensity received by the opposite terminal equipment, and the state parameter can be flexibly set. For example, it is considered that the strength of a signal received by the opposite terminal device is greatly affected by the distance between the communication device 10 and the opposite terminal device, and the distance between the communication device 10 and the opposite terminal device is an important factor affecting the occurrence of radio interference, the more distant the distance, the more likely the radio interference occurs, and the more distant the radio interference is less likely the radio interference occurs. The narrower the bandwidth is, the better the compatibility is, and the overlapping of the bandwidths can be reduced, so that the radio interference occurrence rate is reduced. The wider the bandwidth, the higher the transmission efficiency, while potentially increasing the overlap of the bandwidths, thereby increasing the radio interference incidence. If radio interference occurs by selecting a wider bandwidth, transmission efficiency may even be reduced as compared to selecting a narrower bandwidth. In order to enable higher transmission efficiency and better transmission quality between the peer device and the communication device 10, the state parameter may be a relevant parameter capable of reflecting a distance vector between the peer device and the communication device 10, so as to perform bandwidth selection according to the adaptability of the distance vector between the peer device and the communication device 10. When the distance vector is larger, a narrower bandwidth is selected to improve compatibility, and when the distance vector is smaller, a wider bandwidth is selected to improve transmission efficiency. As another example, the status parameter may include a wireless signal strength between the peer device and the communication device 10, such that the bandwidth selection is adaptively made based on the wireless signal strength between the peer device and the communication device 10. For another example, the state parameter may further include a relative angle between the opposite device and the communication device 10, and if the relative angle is a signal transmission direction of the opposite device away from the communication device 10 in a state where the distance vector is the same and the bandwidth is the same, the signal strength between the opposite device and the communication device 10 may be smaller than the signal strength between the opposite device and the communication device 10 if the relative angle is a signal transmission direction of the opposite device toward the communication device 10. Accordingly, the bandwidth selection may also be performed by comprehensively considering the relative angles. For another example, the state parameters may include parameters that can reflect a distance vector between the peer device and the communication device 10, such as a correlation parameter, a wireless signal strength, and a relative angle, and the bandwidth is selected after comprehensive consideration by setting weights for the parameters.
And step S12, obtaining the target bandwidth of the communication equipment according to the state parameter.
And step S13, controlling the communication equipment to work under the target bandwidth.
There are various ways to obtain the target bandwidth according to the state parameter, for example, the target bandwidth corresponding to each of the different state parameters may be preset in the communication device 10, so that the target bandwidth of the communication device is obtained according to the corresponding relationship between the state parameter and the target bandwidth. For another example, a preset threshold may be set, the state parameter is compared with the preset threshold, and the target bandwidth of the communication device 10 is obtained according to the comparison result. The communication device 10 stores the correspondence between each comparison result and each target bandwidth.
Referring to fig. 3 in combination, the present disclosure provides an exemplary implementation of step S12 and step S13.
Step S22, comparing the status parameter with a preset threshold, and obtaining the target bandwidth of the communication device 10 according to the comparison result, wherein the communication device 10 stores the correspondence between each comparison result and each target bandwidth.
According to different state parameter selections and different actual demands, the preset threshold value can be flexibly set. For example, if the user is more likely to reduce the rate of radio interference, the predetermined threshold may be set more toward a narrower target bandwidth. For another example, if the user needs to improve the transmission efficiency, the preset threshold may be set more preferentially to obtain a wider target bandwidth. For another example, if the user has no bias in demand, the preset threshold may be set appropriately so that the probability of obtaining a wider target bandwidth and a narrower target bandwidth is substantially the same.
The preset threshold in the present disclosure may be a numerical value or a numerical range. The comparison result may include a plurality of types, for example, the comparison result may include three of a state parameter being greater than a preset threshold, a state parameter being equal to the preset threshold, and a state parameter being less than the preset threshold. When the preset threshold is a numerical range, the state parameter can be defined to be larger than the maximum value in the numerical range, and the state parameter is judged to be larger than the preset threshold; if the state parameter is in the numerical range, judging that the state parameter is equal to a preset threshold value; and if the state parameter is smaller than the minimum value in the numerical range, judging that the state parameter is smaller than a preset threshold value. Accordingly, the three comparison results may correspond to three different bandwidths. For another example, the comparison result may be further refined so as to include more than four types, for example, different ratios of setting the state parameter to be greater than the preset threshold value respectively correspond to different comparison results, and different ratios of setting the state parameter to be less than the preset threshold value respectively correspond to different comparison results. Accordingly, more than four comparison results may correspond to more than four different bandwidths.
The present disclosure exemplifies one of the implementations of step S22, taking the example that the status parameter includes a received signal strength indication (Received Signal Strength Indication, RSSI). The RSSI is an optional part of the radio transmission layer, and is used to determine the link quality and whether to increase the broadcast transmission strength. The RSSI can measure the distance between a signal point (communication device 10) and a receiving point (peer device) by the strength of a received signal, so that the RSSI can be used as a relevant parameter for reflecting the distance vector between the peer device and the communication device 10.
If the state parameter includes RSSI, the different RSSI corresponds to the first bandwidth, the second bandwidth and the third bandwidth respectively, and accordingly, the step of comparing the state parameter with a preset threshold value to obtain the target bandwidth of the communication device 10 according to the comparison result may include: and comparing the RSSI of the opposite terminal equipment with a preset threshold value, and obtaining the target bandwidth of the communication equipment 10 according to the comparison result, wherein the communication equipment 10 stores the corresponding relation between each comparison result and each target bandwidth. The correspondence may include: and if the RSSI of the opposite terminal equipment is larger than the preset threshold, taking the first bandwidth as the target bandwidth. And if the RSSI of the opposite terminal equipment is equal to the preset threshold, taking the second bandwidth as the target bandwidth. And if the RSSI of the opposite terminal equipment is smaller than the preset threshold, taking the third bandwidth as the target bandwidth. Wherein the first bandwidth is greater than the second bandwidth, and the second bandwidth is greater than the third bandwidth.
The RSSI being smaller than the preset threshold indicates that the distance between the peer device and the communication device 10 is relatively long, and radio interference is likely to occur between the peer device and the communication device 10. The RSSI is greater than the preset threshold, which indicates that the distance between the peer device and the communication device 10 is relatively short, and radio interference is not likely to occur between the peer device and the communication device, where the transmission efficiency can be improved by using the relatively wide first bandwidth as the target bandwidth. The RSSI is equal to a preset threshold, indicating that the distance between the peer device and the communication device 10 is moderate, and the probability of radio interference between the peer device and the communication device is moderate, where the second bandwidth between the first bandwidth and the third bandwidth is used as the target bandwidth, so as to achieve a relative balance between compatibility and transmission efficiency.
Step S22 may also be implemented in other manners, for example, if the state parameter includes the wireless signal strength between the peer device and the communication device 10, the preset threshold may be set to a signal strength value, and if the wireless signal strength between the peer device and the communication device 10 is smaller than the signal strength value, the existing bandwidth of the communication device 10 may be obtained, and the target bandwidth may be set to a bandwidth different from the existing bandwidth. For example, if the communication device 10 can operate in both the HT40 and HT20 bandwidth modes, if the wireless signal strength between the peer device and the communication device 10 is smaller than the signal strength value in the HT40 mode, it indicates that the transmission efficiency is not required in the HT40 mode (possibly due to the existence of serious radio interference, resulting in a decrease in the transmission efficiency in the wider bandwidth mode), and in this case, the HT20 is set to the target bandwidth, thereby improving the compatibility.
In the present disclosure, the number of the peer devices may be one or more. If the opposite terminal equipment is one, the state parameters of the opposite terminal equipment are directly compared with the preset threshold value. If there are multiple opposite terminal devices, a calculation result can be obtained according to the state parameters of the multiple opposite terminal devices, such as RSSI calculation, and the calculation result is compared with a preset threshold. For example, if there are a plurality of peer devices, the state parameters of the plurality of peer devices may be accumulated and divided by the number of peer devices to obtain the calculation result. For another example, weights may be set for the respective peer devices, and the state parameters of the respective peer devices may be calculated according to the weights to obtain a calculation result.
Step S23, determining whether the existing bandwidth of the communication device 10 is consistent with the target bandwidth, if the existing bandwidth of the communication device 10 is inconsistent with the target bandwidth, executing step S24, and if the existing bandwidth of the communication device 10 is consistent with the target bandwidth, returning to executing step S22.
The existing bandwidth of the communication device 10 may be the initial bandwidth or the bandwidth after the handover. After the communication device 10 is powered on, it operates with an initial bandwidth, which may be set by default or may be set by user-definition. If steps S22 to S24 are performed for the first time after the power-up of the communication device 10, the existing bandwidth of the communication device 10 is the initial bandwidth. If steps S22 to S24 are not performed for the first time after the power-up of the communication device 10, the existing bandwidth of the communication device 10 may be the bandwidth after the initial bandwidth is switched.
Referring to fig. 4 in combination, as an alternative implementation, the initial bandwidth may be obtained by the following steps.
Step S31, obtaining one of the operation modes selected by the user from the plurality of operation modes as a default operation mode of the communication apparatus 10.
Step S32, taking the bandwidth corresponding to the default operation mode as the initial bandwidth of the communication device 10.
The communication device 10 stores the correspondence between each operation mode and each bandwidth, and the user selects a desired operation mode, so that the bandwidth corresponding to the operation mode can be used as an initial bandwidth. The types of the working modes can be flexibly set, for example, the working modes can be set into three working modes of a compatible mode, an equalizing mode and a racing mode, and the three working modes correspond to three different bandwidths, wherein the bandwidth corresponding to the compatible mode is smaller than the bandwidth corresponding to the equalizing mode, and the bandwidth corresponding to the equalizing mode is smaller than the bandwidth corresponding to the racing mode. For example, the method may be set to five working modes of a high-compatibility mode, a compatibility mode, an equalization mode, a racing mode and a high-racing mode, where the five working modes respectively correspond to five different bandwidths, the bandwidth corresponding to the high-compatibility mode is smaller than the bandwidth corresponding to the compatibility mode, the bandwidth corresponding to the compatibility mode is smaller than the bandwidth corresponding to the equalization mode, the bandwidth corresponding to the equalization mode is smaller than the bandwidth corresponding to the racing mode, and the bandwidth corresponding to the racing mode is smaller than the bandwidth corresponding to the high-racing mode. It should be understood that the kinds of the operation modes may also be two, four, six or more, etc., which the present disclosure is not limited to.
Referring to fig. 5, in view of the fact that the user selects different working modes, the user's demand bias can be reflected, and correspondingly, different preset thresholds can be selected according to the user's different demand bias. Optionally, the preset threshold is obtained by the following steps.
Step S41, one of a plurality of operation modes selected by a user is obtained.
Step S42, taking the threshold value corresponding to the operation mode selected by the user as the preset threshold value of the communication device 10. Wherein, the communication device 10 stores the correspondence between each operation mode and each threshold value.
For example, in a scenario where the status parameter is RSSI, including three modes of operation, i.e., compatible mode, balanced mode, and racing mode, if the user selects the compatible mode as the default mode of operation, it is indicated that the user may prefer to reduce the radio interference occurrence rate, so that the threshold corresponding to the compatible mode may be set to a higher value to bias the communication device 10 more toward the compatible mode. If the user selects the racing mode as the default mode of operation, indicating that the user may prefer communication efficiency, the threshold corresponding to the racing mode may be set to a lower value to prefer the communication device 10 to the racing mode. If the user selects the equalization mode as the default mode of operation, indicating that the user may not have a significant bias, the threshold corresponding to the compatible mode may be set to a more moderate value to bias the communication device 10 more toward the equalization mode.
Step S24, switching the existing bandwidth of the communication device 10 to the target bandwidth. Thereby realizing the automatic control of the bandwidth.
In view of the fact that the wireless network may be temporarily interrupted when the bandwidth switching is performed, in order to control the influence generated by the bandwidth switching within the controllable range, optionally, in the process of switching the existing bandwidth of the communication device 10 to the target bandwidth, it is also determined whether the communication device 10 meets the bandwidth switching condition, and if the bandwidth switching condition is met, the existing bandwidth of the communication device 10 is switched to the target bandwidth. If the bandwidth switching condition is not met, the bandwidth switching is not performed temporarily, whether the bandwidth switching condition is met or not can be judged again after a certain time, and the bandwidth switching is performed after the bandwidth switching condition is met.
The bandwidth switching condition may be flexibly set, for example, it may be determined whether the number of the messages interacted between the communication device 10 and the peer device is smaller than a preset number, and if so, the existing bandwidth of the communication device 10 is switched to the target bandwidth. Considering that the number of messages interacted between the communication device 10 and the peer devices is mainly affected by the number of connected peer devices, transmission flow, time period, and the like, it can be determined whether the number of peer devices connected with the communication device 10 is smaller than a preset number value, if so, the bandwidth switching condition is determined to be satisfied, otherwise, the bandwidth switching condition is determined to be not satisfied. It may also be determined whether the current flow of the communication device 10 exceeds a preset flow value, if the current flow value does not exceed the preset flow value, it is determined that the bandwidth switching condition is satisfied, otherwise, it is determined that the bandwidth switching condition is not satisfied. It may also be determined whether the current time period of the communication device 10 is within a preset time period, if yes, the bandwidth switching condition is determined to be satisfied, otherwise, the bandwidth switching condition is determined not to be satisfied.
According to actual requirements, the bandwidth switching conditions may be at least one, at least two, three or the like of the above conditions. The bandwidth switching condition can be set by default or can be customized by a user.
To avoid too frequent bandwidth switching, optionally, the bandwidth switching conditions may further include: judging whether the time length from the last bandwidth switching reaches a set time length, and if the time length reaches the set time length, switching the existing bandwidth of the communication equipment 10 into the target bandwidth.
As an alternative implementation manner, in order to control the bandwidth switching frequency, real-time counting statistics may be performed on the determination results that the existing bandwidth of the communication device 10 is consistent with and inconsistent with the target bandwidth in a set period. If the current statistics result is that the number of times that the existing bandwidth of the communication device 10 is inconsistent with the target bandwidth is greater than the number of times that the existing bandwidth of the communication device 10 is consistent with the target bandwidth, it is determined that the communication device 10 meets the bandwidth switching condition. If the current statistics result is that the number of times that the existing bandwidth of the communication device 10 is inconsistent with the target bandwidth is less than the number of times that the existing bandwidth of the communication device 10 is consistent with the target bandwidth, it is determined that the communication device 10 does not meet the bandwidth switching condition. Through the conditional design, when the existing bandwidth of the communication equipment 10 is inconsistent with the target bandwidth and the number of inconsistent times obtained through statistics is larger than the number of inconsistent times, the bandwidth switching action is executed, and when the existing bandwidth of the communication equipment 10 is inconsistent with the target bandwidth and the number of inconsistent times obtained through statistics is smaller than the number of consistent times, the bandwidth switching action is not executed, so that the bandwidth switching frequency is reduced to a certain extent, and frequent wireless network interruption caused by frequent bandwidth switching is avoided. Thereby improving communication reliability.
Considering that in actual operation, there may be a large difference between the number of times the existing bandwidth of the communication device 10 is consistent with the target bandwidth and the number of times the existing bandwidth is inconsistent with the target bandwidth, in order to avoid that the bandwidth switching cannot be performed for a long time in the set period or the bandwidth switching frequency cannot be effectively reduced due to the large difference between the number of times. Optionally, the step of counting in real time the results of the determination that the existing bandwidth of the communication device 10 is consistent with the target bandwidth and inconsistent with the target bandwidth includes: and if the judgment result is that the existing bandwidth of the communication equipment 10 is consistent with the target bandwidth, adding 1 to the count value, and if the judgment result is that the existing bandwidth of the communication equipment 10 is inconsistent with the target bandwidth, subtracting 1 to the count value. And judging whether the existing count value reaches a preset upper limit value in real time, and if so, not increasing the count value when a judgment result that the existing bandwidth of the communication equipment 10 is consistent with the target bandwidth is obtained. And judging whether the existing count value reaches a preset lower limit value in real time, and if so, not reducing the count value when a judgment result that the existing bandwidth of the communication equipment 10 is inconsistent with the target bandwidth is obtained.
The preset upper limit value and the preset lower limit value may be flexibly set, for example, they may be set to be identical or not identical, which is not limited by the present disclosure. It should be understood that this example is merely illustrative, and the count value may be decremented by 1 when the determination result indicates that the existing bandwidth of the communication device 10 is consistent with the target bandwidth, and incremented by 1 when the determination result indicates that the existing bandwidth of the communication device 10 is inconsistent with the target bandwidth.
In order to more clearly illustrate the implementation principles and workflow of the present disclosure, the implementation of the present disclosure will now be illustrated by way of example in the following scenario.
The communication equipment is a wireless router, the opposite terminal equipment is a user terminal, the state parameter of the user terminal is RSSI, the wireless router supports 2.4G frequency bands defined by IEEE 802.11n protocol, supports three working modes of a racing mode, an equalizing mode and a compatible mode, supports three bandwidths of HT40, HT20-HT40 and HT20, and stores the corresponding relation between each working mode and each bandwidth, and the corresponding relation between each working mode and each threshold value. The correspondence is as follows:
the racing mode corresponds to a bandwidth of HT40 and a threshold of 55dBm.
Equalization mode, corresponding to a bandwidth of HT20-HT40, and corresponding to a threshold of 65dBm.
Compatible mode, corresponding bandwidth is HT20, corresponding threshold is 75dBm.
After the wireless router is electrified, detecting a working mode selected by a user, setting the bandwidth corresponding to the working mode as an initial bandwidth, and taking a threshold corresponding to the working mode as a preset threshold. For example, if the user selects the balanced mode, the initial bandwidth of the wireless router is HT20-HT40, and the preset threshold is 65dBm.
After the wireless router starts to work, the RSSI of the user terminal with which the periphery can establish connection is scanned and analyzed according to a preset time interval. The RSSI may be obtained by analyzing a Probe Request frame sent by the user terminal. When the user terminal is one, the RSSI of the user terminal is directly compared with a preset threshold value, and a comparison result smaller than the preset threshold value, equal to the preset threshold value or larger than the preset threshold value is obtained. When the number of the user terminals is multiple, the RSSI of each user terminal is accumulated and divided by the number of the user terminals to obtain a calculation result, and the calculation result is compared with a preset threshold value to obtain a comparison result which is smaller than the preset threshold value, equal to the preset threshold value or larger than the preset threshold value. For example, if there are three user terminals, the RSSI value of the first user terminal is 75, the RSSI value of the second user terminal is 65, the RSSI value of the third user terminal is 40, and the calculation result is 60 according to the formula (75+65+40)/3=60.
Obtaining a target bandwidth according to the comparison result, and if the comparison result is larger than a preset threshold value, obtaining the target bandwidth as HT40; if the comparison result is equal to the preset threshold value, the target bandwidth is HT20-HT40; if the comparison result is smaller than the preset threshold, the target bandwidth is HT20. Comparing the calculated result 60 with the preset threshold 65 indicates that the compared result is smaller than the preset threshold, so that the target bandwidth of the wireless router in this state is HT20.
Comparing the initial bandwidth HT40 of the wireless router with the target bandwidth HT20, and judging that the two are inconsistent, if yes, judging that the bandwidth switching is needed, and in the case, judging whether the wireless router meets the bandwidth switching condition.
The bandwidth switching conditions include the following conditions.
And judging whether the number of the user terminals connected with the wireless router is smaller than 4 or not according to the first condition, if so, judging that the bandwidth switching condition is met, and if not, judging that the bandwidth switching condition is not met.
And judging whether the current flow of the wireless router exceeds 100Kbps, if not, judging that the bandwidth switching condition is met, otherwise, judging that the bandwidth switching condition is not met.
Judging whether the current time period of 100Kbps is 0:00am-7:00am, if at 0:00am-7:00am, judging that the bandwidth switching condition is satisfied, otherwise, judging that the bandwidth switching condition is not satisfied.
If the user selects the racing mode, at least one of the three conditions needs to be met, the user selects the balancing mode, at least two of the three conditions need to be met, and the user selects the compatible mode, wherein three of the three conditions need to be met. Then, in the scenario that the default working mode selected by the user is the racing mode, if the analysis shows that the wireless router meets any one of the three conditions, the initial bandwidth HT40 of the wireless router can be switched to the target bandwidth HT20, so that the bandwidth switching is completed. If the analysis shows that the wireless router does not meet any one of the three conditions, the bandwidth switching is not performed temporarily until the wireless router meets any one of the three conditions, and the wireless router switches the initial bandwidth HT40 of the wireless router to the target bandwidth HT20, so that the bandwidth switching is completed.
If the wireless router is provided with a mechanism for avoiding too frequent bandwidth switching, a counter is preset on the wireless router, the upper limit of the counter is +3, the lower limit of the counter is-3, in a set period, when the wireless router needs to switch the bandwidth, the counter-1 is used, and when the wireless router does not need to switch the bandwidth, the counter +1 is used. Accordingly, it may be set that when the wireless router satisfies any one of the above three conditions and the count < 0, the initial bandwidth HT40 of the wireless router may be switched to the target bandwidth HT20. When the count is not less than 0, the initial bandwidth HT40 is maintained and no handover is performed even if the wireless router satisfies any one of the three conditions. Wherein, the initial value of the counter is 0, and the counter is restored to the initial value after the bandwidth switching occurs.
It should be understood that the foregoing examples are merely illustrative, and the bandwidth switching manner in the implementation flow of the bandwidth switching performed by the communication device in the subsequent process and other frequency band scenarios supporting the 5G frequency band defined by the IEEE 802.11ac protocol and other protocol definitions is similar to the foregoing, which is not repeated in this disclosure.
Referring to fig. 6, the present disclosure further provides a bandwidth control apparatus 20 applied to the communication device 10 shown in fig. 1 to implement bandwidth control of the communication device 10, where the bandwidth control apparatus 20 includes a parameter obtaining module 21, an information processing module 22, and a bandwidth control module 23.
The parameter obtaining module 21 is configured to obtain, at a preset time interval, a state parameter of the peer device, where the state parameter is used to reflect the strength of a signal received by the peer device.
The implementation of the parameter obtaining module 21 may refer to the description related to step S11 in fig. 2, and will not be described herein.
The information processing module 22 is configured to obtain the target bandwidth of the communication device 10 according to the status parameter.
The implementation of the information processing module 22 may refer to the description related to step S12 in fig. 2, and will not be described herein.
The bandwidth control module 23 is configured to control the communication device to operate under the target bandwidth.
The implementation of the bandwidth control module 23 can be referred to in step S13 of fig. 2, and will not be described herein.
Optionally, the status parameter includes a received signal strength indication, RSSI. The information processing module 22 is configured to compare the RSSI of the peer device with a preset threshold, and obtain, according to a comparison result, a target bandwidth of the communication device, where the communication device stores a correspondence between each comparison result and each target bandwidth.
Alternatively, the information processing module 22 obtains the preset threshold value by: and obtaining one of a plurality of working modes selected by a user, and taking a threshold value corresponding to the working mode selected by the user as a preset threshold value of the communication equipment 10, wherein the communication equipment 10 stores the corresponding relation between each working mode and each threshold value.
Optionally, the number of the peer devices is multiple, and the information processing module 22 is configured to compare the RSSI of the peer device with a preset threshold by: and calculating to obtain a calculation result according to the RSSIs of the opposite terminal equipment, and comparing the calculation result with a preset threshold value.
Optionally, the bandwidth control module 23 is configured to determine whether the existing bandwidth of the communication device 10 is consistent with the target bandwidth, and if the existing bandwidth of the communication device 10 is inconsistent with the target bandwidth, switch the existing bandwidth of the communication device 10 to the target bandwidth.
Optionally, the bandwidth control module 23 is configured to determine whether the number of messages interacted between the communication device 10 and the peer device is smaller than a preset number, and if so, switch the existing bandwidth of the communication device 10 to the target bandwidth.
Optionally, the bandwidth control module 23 is configured to determine whether the duration from the last bandwidth switching reaches a set duration, and if the duration reaches the set duration, switch the existing bandwidth of the communication device 10 to the target bandwidth.
According to the bandwidth control method, the bandwidth control device and the communication equipment, the bandwidth of the communication equipment can be automatically adjusted according to the state parameters of the opposite terminal equipment without greatly changing the software and hardware forms of the existing communication equipment, and the wireless transmission between the communication equipment and the opposite terminal equipment is ensured to have good transmission stability and transmission efficiency. The user can configure the default bandwidth and the preset threshold of the communication equipment through the selection of the working mode, so that the personalized requirements of different users are met. The method is convenient to realize, has wider application scenes and is suitable for large-scale popularization and application.
In the several embodiments provided in the present disclosure, it should be understood that the disclosed apparatus and method may be implemented in other manners as well. The apparatus and method embodiments described above are merely illustrative, for example, flow diagrams and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in various embodiments of the present disclosure may be integrated together to form a single portion, or each module may exist alone, or two or more modules may be integrated to form a single portion.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present disclosure may be embodied in essence or a part contributing to the prior art or a part of the technical solution, or in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a communication device, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present disclosure. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes. It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely an alternative embodiment of the present disclosure, and is not intended to limit the present disclosure, so that various modifications and variations may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (15)
1. A bandwidth control method applied to a communication device, the method comprising:
obtaining state parameters of opposite terminal equipment according to a preset time interval, wherein the state parameters comprise at least one of relevant parameters used for reflecting signal intensity received by the opposite terminal equipment, reflecting distance vectors and relative angles between the opposite terminal equipment and communication equipment;
obtaining a target bandwidth of the communication equipment according to the state parameter;
controlling the communication equipment to work under the target bandwidth;
under the condition that the state parameters comprise relevant parameters for reflecting the signal intensity received by the opposite terminal equipment, the distance vector and the relative angle between the opposite terminal equipment and the communication equipment, the target bandwidth is selected after comprehensive consideration by respectively setting weights for the parameters.
2. The method according to claim 1, wherein the status parameter includes a received signal strength indication, RSSI;
the step of obtaining the target bandwidth of the communication device according to the state parameter comprises the following steps:
and comparing the RSSI of the opposite terminal equipment with a preset threshold value, and obtaining the target bandwidth of the communication equipment according to the comparison result, wherein the communication equipment stores the corresponding relation between each comparison result and each target bandwidth.
3. The bandwidth control method according to claim 2, wherein the preset threshold value is obtained by:
and obtaining one working mode selected by a user from a plurality of working modes, and taking a threshold value corresponding to the working mode selected by the user as a preset threshold value of the communication equipment, wherein the communication equipment stores the corresponding relation between each working mode and each threshold value.
4. The method for controlling bandwidth according to claim 2, wherein the plurality of peer devices is provided, and the step of comparing the RSSI of the peer device with a preset threshold value includes:
and calculating to obtain a calculation result according to the RSSIs of the opposite terminal equipment, and comparing the calculation result with a preset threshold value.
5. The method according to claim 1, wherein the step of controlling the communication device to operate at the target bandwidth comprises:
judging whether the existing bandwidth of the communication equipment is consistent with the target bandwidth, and if the existing bandwidth of the communication equipment is inconsistent with the target bandwidth, switching the existing bandwidth of the communication equipment into the target bandwidth.
6. The method according to claim 5, wherein the step of switching the existing bandwidth of the communication device to the target bandwidth comprises:
judging whether the number of the messages interacted between the communication equipment and the opposite terminal equipment is smaller than a preset number, and if so, switching the existing bandwidth of the communication equipment into the target bandwidth.
7. The method according to claim 5, wherein the step of switching the existing bandwidth of the communication device to the target bandwidth comprises:
judging whether the time length from the last bandwidth switching reaches a set time length, and if so, switching the existing bandwidth of the communication equipment into the target bandwidth.
8. A bandwidth control apparatus for a communication device, the bandwidth control apparatus comprising:
the system comprises a parameter obtaining module, a parameter obtaining module and a parameter processing module, wherein the parameter obtaining module is used for obtaining state parameters of opposite terminal equipment according to a preset time interval, and the state parameters comprise at least one of relevant parameters used for reflecting the signal intensity received by the opposite terminal equipment, reflecting the distance vector and the relative angle between the opposite terminal equipment and communication equipment;
the information processing module is used for obtaining the target bandwidth of the communication equipment according to the state parameters;
the bandwidth control module is used for controlling the communication equipment to work under the target bandwidth;
under the condition that the state parameters comprise relevant parameters for reflecting the signal intensity received by the opposite terminal equipment, the distance vector and the relative angle between the opposite terminal equipment and the communication equipment, the target bandwidth is selected after comprehensive consideration by respectively setting weights for the parameters.
9. The bandwidth control apparatus according to claim 8, wherein the status parameter includes a received signal strength indication, RSSI;
the information processing module is used for comparing the RSSI of the opposite terminal equipment with a preset threshold value, and obtaining the target bandwidth of the communication equipment according to the comparison result, wherein the communication equipment stores the corresponding relation between each comparison result and each target bandwidth.
10. The bandwidth control apparatus according to claim 9, wherein the information processing module is configured to obtain the preset threshold value by: and obtaining one working mode selected by a user from a plurality of working modes, and taking a threshold value corresponding to the working mode selected by the user as a preset threshold value of the communication equipment, wherein the communication equipment stores the corresponding relation between each working mode and each threshold value.
11. The bandwidth control apparatus according to claim 9, wherein the plurality of peer devices is provided, and the information processing module is configured to calculate a calculation result according to RSSI of the plurality of peer devices, and compare the calculation result with a preset threshold.
12. The bandwidth control apparatus according to claim 8, wherein the bandwidth control module is configured to determine whether an existing bandwidth of the communication device is consistent with the target bandwidth, and switch the existing bandwidth of the communication device to the target bandwidth if the existing bandwidth of the communication device is inconsistent with the target bandwidth.
13. The bandwidth control apparatus according to claim 12, wherein the bandwidth control module is configured to determine whether a number of messages interacted between the communication device and the peer device is less than a preset number, and if so, switch an existing bandwidth of the communication device to the target bandwidth.
14. The bandwidth control apparatus according to claim 12, wherein the bandwidth control module is configured to determine whether a duration from a last bandwidth switch reaches a set duration, and if the set duration is reached, switch an existing bandwidth of the communication device to the target bandwidth.
15. A communication device, comprising: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the bandwidth control method of any one of claims 1 to 7 when the program is executed.
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