CN111246512A - Wireless characteristic information generation method and device and wireless equipment - Google Patents
Wireless characteristic information generation method and device and wireless equipment Download PDFInfo
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- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
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- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
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Abstract
The invention discloses a wireless characteristic information generation method, a wireless characteristic information generation device and wireless equipment, wherein the method comprises the following steps: under the current working environment, responding to the wireless characteristic information to generate an instruction, and carrying out power regulation on the working power of the network side for a plurality of times according to a preset regulation rule; after the working power of the network side is adjusted every time, the network side is controlled to communicate with each user side by the adjusted working power, the signal strength and the wireless performance value of a communication link between the network side and each user side are obtained, and a sample data set is obtained; and generating wireless characteristic information according to a preset fitting function and all sample data sets obtained under the condition of power adjustment for a plurality of times. The invention can generate the wireless characteristic information suitable for the current working environment, and is favorable for obtaining accurate execution decision when being used as the judgment basis for executing the wireless function in the current working environment, so as to provide better network performance for users.
Description
Technical Field
The present invention relates to the field of wireless technologies, and in particular, to a method and an apparatus for generating wireless characteristic information, and a wireless device.
Background
Since the wireless characteristic information (e.g., a wireless attenuation characteristic curve) of a wireless product can describe the wireless performance of the wireless product under different signal strengths, the wireless characteristic information plays an important role in wireless functions such as power deployment, channel deployment, wireless roaming handover, etc. of the wireless product, and is often used as a basis for determining the execution of the wireless functions.
For example, in power deployment, obtaining wireless characteristic information of a wireless product may assist in deciding a power adjustment range within which to adjust the power of the wireless product to ensure that the wireless performance of the wireless product is controllable. For another example, in the wireless roaming handover, it is often necessary to determine whether to perform a roaming handover operation and make a decision on a roaming target according to the wireless characteristic information, so as to trigger roaming at a proper time, thereby providing better network performance to the user.
In the prior art, a wireless product is usually placed in an experimental test environment to obtain wireless characteristic information of the wireless product through testing. When the wireless product needs the wireless characteristic information in the actual use environment to perform the judgment basis of the wireless functions, the wireless characteristic information obtained by the experiment is directly used as the judgment basis for executing the wireless functions in the actual use environment.
However, the radio characteristic information is related to the environment, and factors such as radio interference in the environment, the placement position of each radio product in the network layout, etc. all affect the signal strength and the radio performance (e.g., performance indexes such as negotiation rate, throughput, etc.) at each signal strength. Therefore, the wireless characteristic information obtained through the experiment is greatly different from the wireless characteristic information in the actual use environment, and if the wireless characteristic information obtained through the experiment is directly used as the judgment basis for executing the wireless functions in the actual use environment according to the technical scheme in the prior art, the wireless characteristic information is often greatly misjudged, which is not beneficial to providing better network performance for the user.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a method, an apparatus, and a wireless device for generating wireless characteristic information, which can generate wireless characteristic information adapted to a current working environment, and when the wireless characteristic information is used as a criterion for determining a wireless function to be executed in the current working environment, the method and the apparatus are favorable for obtaining an accurate execution decision, so as to provide a better network performance to a user.
In order to solve the above technical problem, in a first aspect, the present invention provides a wireless characteristic information generating method, including:
under the current working environment, responding to the wireless characteristic information to generate an instruction, and carrying out power regulation on the working power of the network side for a plurality of times according to a preset regulation rule; after the working power of the network side is adjusted every time, controlling the network side to communicate with each user side by the adjusted working power, and acquiring the signal strength and the wireless performance value of a communication link between the network side and each user side to obtain a sample data set;
generating wireless characteristic information according to a preset fitting function and all the sample data sets obtained under the condition of power adjustment for a plurality of times; the wireless characteristic information comprises a plurality of signal strengths and a wireless characteristic value corresponding to each signal strength.
Further, primary power adjustment is carried out to adjust the working power of the network side to the maximum working power of the network side, the fitting function comprises N prior conditions, and N is more than or equal to 1; before generating wireless characteristic information according to all the sample data sets obtained under the preset fitting function and several times of power adjustment, the method further generates several prior conditions in the fitting function by the following steps:
acquiring experimental wireless characteristic information of the network side, wherein the experimental wireless characteristic information comprises a corresponding relation between a wireless performance value and a negotiation rate of a communication link between the network side and a user side in an experimental environment;
acquiring a sample data set corresponding to the maximum working power of the network side to obtain a first sample data set;
and generating a plurality of prior conditions according to the experimental wireless characteristic information and the first sample data set.
Further, the generating a plurality of prior conditions according to the experimental wireless characteristic information and the first sample data set specifically includes:
reading the maximum wireless performance value in the experimental wireless characteristic information and the minimum value of all signal strengths corresponding to the maximum wireless performance value in the experimental wireless characteristic information from the experimental wireless characteristic information to obtain a first wireless performance value and a first signal strength;
reading the maximum wireless performance value in the first sample data set and the minimum value of all signal strengths corresponding to the maximum wireless performance value in the first sample data set from the first sample data set to obtain a second wireless performance value and a second signal strength;
and generating a plurality of prior conditions according to the first wireless performance value, the second wireless performance value, the first signal strength and the second signal strength.
Further, the generating a plurality of prior conditions according to the first radio performance value, the second radio performance value, the first signal strength, and the second signal strength specifically includes:
at least two a priori conditions are generated as follows:
if the second radio performance value is less than the first radio performance value:
TRSSI＝T1,(RSSI>RSSI1+RSSI3)；
if the second radio performance value is equal to the first radio performance value:
TRSSI＝T2,(RSSI>RSSI2)；
wherein, T1The first radio energy value, RSSI1Is the first signal strength, T2As said second radio performance value, RSSI2Is the second signal strength, TRSSIThe wireless characteristic information is a wireless characteristic value corresponding to the RSSI when the signal strength is the RSSI3Is a preset third signal strength.
Further, the third signal strength is 15 dBm.
Further, the N prior conditions include the following prior conditions:
TRSSI＝0,(RSSI<RSSI4)
wherein, TRSSIThe wireless characteristic information is a wireless characteristic value corresponding to the RSSI when the signal strength is the RSSI4Is the preset fourth signal strength.
Further, the value of the fourth signal strength is-95 dBm.
Further, performing power adjustment on the working power of the network side for a plurality of times according to a preset adjustment rule, specifically including:
obtaining working power corresponding to the ith power adjustment according to the following formula; and performing ith power adjustment on the network side according to the working power corresponding to the ith power adjustment:
wherein, PiAdjusting the corresponding operating power, P, for the ith powermaxIs the maximum operating power, P, of the network side0For a preset regulated power, Pi-1And adjusting the corresponding working power for the i-1 st power.
In order to solve the above technical problem, in a second aspect, the present invention also provides a wireless characteristic information generating apparatus, including:
the system comprises a sample data set acquisition module, a wireless characteristic information generation module and a power regulation module, wherein the sample data set acquisition module is used for responding to a wireless characteristic information generation instruction under the current working environment and carrying out power regulation on the working power of a network side for a plurality of times according to a preset regulation rule; after the working power of the network side is adjusted every time, controlling the network side to communicate with each user side by the adjusted working power, and acquiring the signal strength and the wireless performance value of a communication link between the network side and each user side to obtain a sample data set;
the wireless characteristic information generating module is used for generating wireless characteristic information according to a preset fitting function and all the sample data sets obtained under the condition of power adjustment for a plurality of times; the wireless characteristic information comprises a plurality of signal strengths and a wireless characteristic value corresponding to each signal strength.
In order to solve the technical problem, in a third aspect, the present invention further provides a wireless device, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor implements the wireless characteristic information generating method according to any one of the above-mentioned first aspects when executing the computer program.
According to the wireless characteristic information generation method, the wireless characteristic information generation device and the wireless equipment, under the current working environment of the network side, enough signal intensity and wireless performance values between the network side and each user side can be obtained by actively adjusting the working power of the network side, enough sample data sets can be obtained, and wireless characteristic information can be obtained through fitting. Because the sample data set is obtained under the current working environment, the wireless characteristic information generated by the invention can be suitable for the current working environment, and is favorable for obtaining accurate execution decision when being used as a judgment basis for executing the wireless function under the current working environment, so as to provide better network performance for users. Meanwhile, the invention obtains enough sample data sets by actively adjusting the working power of the network side, greatly reduces the requirement on the number of the user sides of the network side, and can also obtain enough sample data sets for the network side only connected with the limited number of the user sides, so that the wireless characteristic information obtained by fitting can be more suitable for the current working environment.
Drawings
Fig. 1 is a schematic flow chart of a wireless characteristic information generating method according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a preferred embodiment of a wireless characteristic information generating apparatus provided in the present invention;
fig. 3 is a schematic structural diagram of a preferred embodiment of a wireless device provided in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, fig. 1 is a schematic flow chart of a preferred embodiment of a wireless characteristic information generating method according to the present invention; specifically, the method comprises the following steps:
s1, responding to the wireless characteristic information generation instruction in the current working environment, and carrying out power regulation on the working power of the network side for a plurality of times according to a preset regulation rule; after the working power of the network side is adjusted every time, controlling the network side to communicate with each user side by the adjusted working power, and acquiring the signal strength and the wireless performance value of a communication link between the network side and each user side to obtain a sample data set;
s2, generating wireless characteristic information according to a preset fitting function and all the sample data sets obtained under the condition of power adjustment for a plurality of times; the wireless characteristic information comprises a plurality of signal strengths and a wireless characteristic value corresponding to each signal strength.
According to the wireless characteristic information generation method provided by the invention, when a wireless characteristic information generation instruction is obtained, the network side actively adjusts the power of the network side and communicates with each connected user side under different working powers. Specifically, the power adjustment for the 1 st time is performed on the network side, the network side is controlled to work at the working power after the power adjustment for the 1 st time, the communication with each user side is performed, the signal strength and the wireless performance value of a communication link between the network side and each user side are obtained, and a sample data set D is obtained1(ii) a Complete the sample data set D1After the collection, the network side is continuously adjusted for the power of 2 nd time, the network side is controlled to work at the working power after the power adjustment of 2 nd time, the communication with each user side is carried out, the signal intensity and the wireless performance value of a communication link between the network side and each user side are obtained, and a sample data set D is obtained2(ii) a By analogy, assuming that power adjustment is performed n times, a sample data set D corresponding to the power adjustment n times is obtained1～Dn. It can be expected that, assuming 4 on the user side, the sample data set D1～DnThe signal strength and the radio performance value corresponding to 4n groups of 4 communication links of 4 user sides and 4 network sides are included. Further, with the sample data set D1～DnThe signal intensity and the wireless performance value corresponding to the middle 4n groups are used as discrete sample data of fitting, and wireless characteristic information can be obtained through fitting of a fitting function.
The radio performance value may be a negotiated rate between the network side and the user side, or a parameter value such as throughput. Preferably, a fitting curve is obtained by fitting the obtained wireless characteristic information, and the obtained wireless characteristic curve is used as the wireless characteristic information.
The wireless characteristic information generation method provided by the invention can obtain enough signal intensity and wireless performance values between the network side and each user side by actively adjusting the working power of the network side under the current working environment of the network side, obtain enough sample data sets, and obtain the wireless characteristic information by fitting. Because the sample data set is obtained under the current working environment, the wireless characteristic information generated by the invention can be suitable for the current working environment, and is favorable for obtaining accurate execution decision when being used as a judgment basis for executing the wireless function under the current working environment, so as to provide better network performance for users. Meanwhile, the invention obtains enough sample data sets by actively adjusting the working power of the network side, greatly reduces the requirement on the number of the user sides of the network side, and can also obtain enough sample data sets for the network side only connected with the limited number of the user sides, so that the wireless characteristic information obtained by fitting can be more suitable for the current working environment.
Preferably, there is a primary power adjustment to adjust the working power of the network side to the maximum working power of the network side, the fitting function includes N prior conditions, N is greater than or equal to 1; before generating wireless characteristic information according to all the sample data sets obtained under the preset fitting function and several times of power adjustment, the method further generates several prior conditions in the fitting function by the following steps:
acquiring experimental wireless characteristic information of the network side, wherein the experimental wireless characteristic information comprises a corresponding relation between a wireless performance value and a negotiation rate of a communication link between the network side and a user side in an experimental environment;
acquiring a sample data set corresponding to the maximum working power of the network side to obtain a first sample data set;
and generating a plurality of prior conditions according to the experimental wireless characteristic information and the first sample data set.
In this embodiment, the fitting function includes N prior conditions to limit or expand the prediction model in the fitting function. In this embodiment, the prior condition is constructed according to the experimental wireless characteristic information and the first sample data set, and specifically, a plurality of feature samples may be selected from the experimental wireless characteristic information and the first sample data set to construct a plurality of prior conditions.
It should be noted that, according to actual needs, the N prior conditions of the fitting function may only contain prior conditions generated by the experimental wireless characteristic information and the first sample data set; in this embodiment, the present invention only defines that a plurality of prior conditions generated by the experimental wireless characteristic information and the first sample data set need to be included.
Preferably, the generating a plurality of prior conditions according to the experimental wireless characteristic information and the first sample data set specifically includes:
reading the maximum wireless performance value in the experimental wireless characteristic information and the minimum value of all signal strengths corresponding to the maximum wireless performance value in the experimental wireless characteristic information from the experimental wireless characteristic information to obtain a first wireless performance value and a first signal strength;
reading the maximum wireless performance value in the first sample data set and the minimum value of all signal strengths corresponding to the maximum wireless performance value in the first sample data set from the first sample data set to obtain a second wireless performance value and a second signal strength;
and generating a plurality of prior conditions according to the first wireless performance value, the second wireless performance value, the first signal strength and the second signal strength.
In this embodiment, there are 2 groups of selected feature samples: the first signal strength and the corresponding first radio performance value, and the second signal strength and the corresponding second radio performance value. Several prior conditions are generated from the 2 sets of feature samples.
Preferably, the second signal strength is selected from the screened values. Optionally, the present invention may further obtain a maximum value of all signal strengths corresponding to the second radio performance value from the first sample data set, and obtain a fifth signal strength RSSI5. The RSSI of the fifth signal strength5For screening cleaning of the first sample dataset: RSSI2And RSSI5The difference value of (2) can reflect the current working environment noise and the reliability of the sample data, if the minimum value of all the signal strengths corresponding to the second wireless performance value is abnormal, the signal strength of the second small signal strength of all the signal strengths corresponding to the second wireless performance valueAs a minimum, the washes were further screened until a reliable minimum was obtained. The screening condition can be set according to actual conditions, such as RSSI5-RSSI2>A1 and A1 can be 3dBm, the current working environment can be considered to be cleaner, the noise is smaller, and the RSSI can be considered to be2The reliability is high; RSSI5-RSSI2>A2 and A2 can be 10dBm, the noise of the current working environment can be considered to be large, and the RSSI can be considered to be2If the reliability is low and there is an abnormality, the RSSI is deleted2And selecting the next minimum value for further judgment.
Preferably, the generating a plurality of prior conditions according to the first radio performance value, the second radio performance value, the first signal strength, and the second signal strength specifically includes:
at least two a priori conditions are generated as follows:
if the second radio performance value is less than the first radio performance value:
TRSSI＝T1,(RSSI>RSSI1+RSSI3)；
if the second radio performance value is equal to the first radio performance value:
TRSSI＝T2,(RSSI>RSSI2)；
wherein, T1The first radio energy value, RSSI1Is the first signal strength, T2As said second radio performance value, RSSI2Is the second signal strength, TRSSIThe wireless characteristic information is a wireless characteristic value corresponding to the RSSI when the signal strength is the RSSI3Is a preset third signal strength.
In this embodiment, at least the 2 prior conditions are added to the N prior conditions. Preferably, assuming that the minimum signal strength corresponding to the maximum wireless characteristic value in the wireless characteristic information under the experimental environment is r1, and the minimum signal strength corresponding to the maximum wireless characteristic value in the wireless characteristic information under the typical strong interference environment is r2, the third signal strength may be set as the maximum difference between r1 and r2, that is, a plurality of r1 and r2 are obtained through multiple measurements, the difference is calculated, and the maximum difference is selected as the third signal strength.
Preferably, the value of the third signal strength is 15 dBm.
After creative work, the inventor of the invention obtains an empirical value and takes RSSI315dBm, i.e. if T2<T1Then T isRSSI＝T1,(RSSI>RSSI1+15)。
Preferably, the N prior conditions include the following prior conditions:
TRSSI＝0,(RSSI<RSSI4)
wherein, TRSSIThe wireless characteristic information is a wireless characteristic value corresponding to the RSSI when the signal strength is the RSSI4Is the preset fourth signal strength.
In this embodiment, the N prior conditions of the fitting function further include the prior condition. Preferably, the fourth signal strength RSSI4Setting the wireless receiving sensitivity of a network side under the condition of no interference; because the wireless receiving sensitivity of the network side under the real working environment is higher than that of the network side under the non-interference condition, the more accurate wireless characteristic information can be fit by selecting the wireless receiving sensitivity of the network side under the real working environment, but the more difficult the wireless receiving sensitivity of the network side under the actual working environment can be selected, so the wireless receiving sensitivity of the network side under the non-interference condition can be selected for fitting.
Preferably, the value of the fourth signal strength is-95 dBm.
In this embodiment, an empirical value of-95 dBm is selected for the wireless reception sensitivity of the network side under interference-free conditions. Then, a prior condition is added to the fitting function: t isRSSI＝0,(RSSI<-95)。
Preferably, the power adjustment of the working power of the network side is performed for several times according to a preset adjustment rule, and specifically includes:
obtaining working power corresponding to the ith power adjustment according to the following formula; and performing ith power adjustment on the network side according to the working power corresponding to the ith power adjustment:
wherein, PiAdjusting the corresponding operating power, P, for the ith powermaxIs the maximum operating power, P, of the network side0For a preset regulated power, Pi-1And adjusting the corresponding working power for the i-1 st power.
In this embodiment, the maximum operating power of the network side is used as the initial operating power, and P is used in the subsequent power adjustment process0Gradually decreasing the operating power until the power adjustment is terminated. Preset regulation power P0The setting can be made according to actual needs, for example 0.5 dBm.
Optionally, when the fitting function is a Sigmoid function, due to high symmetry, in order to reduce time consumption, the maximum wireless performance value in the sample data set obtained after the last power adjustment is reduced to be less than T2And when the power adjustment is terminated at the time of/2, the power adjustment is considered to be finished for a plurality of times, and a fitting stage is entered. Of course, optionally, the present invention may also be configured such that when the working power of the network side is reduced to the lowest value of the working power of the network side, the power adjustment is terminated, and a fitting stage is entered after a plurality of times of power adjustment are considered to be completed.
The invention provides a wireless characteristic information generation method, which can obtain enough signal intensity and wireless performance values between a network side and each user side by actively adjusting the working power of the network side under the current working environment of the network side, obtain enough sample data sets and obtain wireless characteristic information through fitting. Because the sample data set is obtained under the current working environment, the wireless characteristic information generated by the invention can be suitable for the current working environment, and is favorable for obtaining accurate execution decision when being used as a judgment basis for executing the wireless function under the current working environment, so as to provide better network performance for users. Meanwhile, the invention obtains enough sample data sets by actively adjusting the working power of the network side, greatly reduces the requirement on the number of the user sides of the network side, and can also obtain enough sample data sets for the network side only connected with the limited number of the user sides, so that the wireless characteristic information obtained by fitting can be more suitable for the current working environment.
Example two
Referring to fig. 2, fig. 2 is a schematic structural diagram of a preferred embodiment of a wireless characteristic information generating apparatus according to the present invention; specifically, the apparatus comprises:
the sample data set obtaining module 11 is configured to respond to the wireless characteristic information generation instruction in the current working environment, and perform power adjustment on the working power of the network side for several times according to a preset adjustment rule; after the working power of the network side is adjusted every time, controlling the network side to communicate with each user side by the adjusted working power, and acquiring the signal strength and the wireless performance value of a communication link between the network side and each user side to obtain a sample data set;
a wireless characteristic information generating module 12, configured to generate wireless characteristic information according to a preset fitting function and all the sample data sets obtained under power adjustment for several times; the wireless characteristic information comprises a plurality of signal strengths and a wireless characteristic value corresponding to each signal strength.
Preferably, there is a primary power adjustment to adjust the working power of the network side to the maximum working power of the network side, the fitting function includes N prior conditions, N is greater than or equal to 1; before generating wireless characteristic information according to all the sample data sets obtained under the preset fitting function and several times of power adjustment, the method further generates several prior conditions in the fitting function by the following steps:
acquiring experimental wireless characteristic information of the network side, wherein the experimental wireless characteristic information comprises a corresponding relation between a wireless performance value and a negotiation rate of a communication link between the network side and a user side in an experimental environment;
acquiring a sample data set corresponding to the maximum working power of the network side to obtain a first sample data set;
and generating a plurality of prior conditions according to the experimental wireless characteristic information and the first sample data set.
Preferably, the generating a plurality of prior conditions according to the experimental wireless characteristic information and the first sample data set specifically includes:
reading the maximum wireless performance value in the experimental wireless characteristic information and the minimum value of all signal strengths corresponding to the maximum wireless performance value in the experimental wireless characteristic information from the experimental wireless characteristic information to obtain a first wireless performance value and a first signal strength;
reading the maximum wireless performance value in the first sample data set and the minimum value of all signal strengths corresponding to the maximum wireless performance value in the first sample data set from the first sample data set to obtain a second wireless performance value and a second signal strength;
and generating a plurality of prior conditions according to the first wireless performance value, the second wireless performance value, the first signal strength and the second signal strength.
Preferably, the generating a plurality of prior conditions according to the first radio performance value, the second radio performance value, the first signal strength, and the second signal strength specifically includes:
at least two a priori conditions are generated as follows:
if the second radio performance value is less than the first radio performance value:
TRSSI＝T1,(RSSI>RSSI1+RSSI3)；
if the second radio performance value is equal to the first radio performance value:
TRSSI＝T2,(RSSI>RSSI2)；
wherein, T1The first radio energy value, RSSI1Is the first signal strength, T2As said second radio performance value, RSSI2Is the second signal strength, TRSSIThe wireless characteristic information is a wireless characteristic value corresponding to the RSSI when the signal strength is the RSSI3Is a preset third signal strength.
Preferably, the value of the third signal strength is 15 dBm.
Preferably, the N prior conditions include the following prior conditions:
TRSSI＝0,(RSSI<RSSI4)
wherein, TRSSIThe wireless characteristic information is a wireless characteristic value corresponding to the RSSI when the signal strength is the RSSI4Is the preset fourth signal strength.
Preferably, the value of the fourth signal strength is-95 dBm.
Preferably, the power adjustment of the working power of the network side is performed for several times according to a preset adjustment rule, and specifically includes:
obtaining working power corresponding to the ith power adjustment according to the following formula; and performing ith power adjustment on the network side according to the working power corresponding to the ith power adjustment:
wherein, PiAdjusting the corresponding operating power, P, for the ith powermaxIs the maximum operating power, P, of the network side0For a preset regulated power, Pi-1And adjusting the corresponding working power for the i-1 st power.
The invention provides a wireless characteristic information generation device, which can obtain enough signal intensity and wireless performance values between a network side and each user side by actively adjusting the working power of the network side under the current working environment of the network side, obtain enough sample data sets and obtain wireless characteristic information through fitting. Because the sample data set is obtained under the current working environment, the wireless characteristic information generated by the invention can be suitable for the current working environment, and is favorable for obtaining accurate execution decision when being used as a judgment basis for executing the wireless function under the current working environment, so as to provide better network performance for users. Meanwhile, the invention obtains enough sample data sets by actively adjusting the working power of the network side, greatly reduces the requirement on the number of the user sides of the network side, and can also obtain enough sample data sets for the network side only connected with the limited number of the user sides, so that the wireless characteristic information obtained by fitting can be more suitable for the current working environment.
It should be noted that, the wireless characteristic information generating apparatus provided in the embodiment of the present invention corresponds to the steps of the wireless characteristic information generating method provided in the above embodiment one to one, and the working principles and beneficial effects of the two are similar, so that the description is omitted.
EXAMPLE III
Referring to fig. 3, fig. 3 is a schematic structural diagram of a preferred embodiment of a wireless device according to the present invention; specifically, the wireless device includes a processor 10, a memory 20, and a computer program stored in the memory and configured to be executed by the processor, and the processor executes the computer program to implement the wireless characteristic information generating method according to any one of the embodiments.
Specifically, the processor and the memory in the wireless device may be one or more, the wireless device may be a router, a WIFI device, a gateway, or other devices, and the wireless device may be a network side, or a device that is independent of the network side and a user side and additionally provided for controlling the network side to perform power adjustment, collect each sample data set, and fit wireless characteristic information, as long as related data can be transmitted to the wireless device.
The wireless device of the present embodiment includes: a processor, a memory and a computer program (such as computer program 1, computer program 2, … shown in fig. 3) stored in said memory and operable on said processor. When the processor executes the computer program, the steps in the audio feature extraction method provided in the above embodiment are implemented, for example, in step S2 shown in fig. 1, wireless characteristic information is generated according to a preset fitting function and all the sample data sets obtained under several times of power adjustment; the wireless characteristic information comprises a plurality of signal strengths and a wireless characteristic value corresponding to each signal strength. Or, the processor implements the functions of the modules in the embodiments of the apparatus when executing the computer program, for example, implements a wireless characteristic information generating module 12, configured to generate wireless characteristic information according to a preset fitting function and all the sample data sets obtained under power adjustment for several times; the wireless characteristic information comprises a plurality of signal strengths and a wireless characteristic value corresponding to each signal strength.
Illustratively, the computer program can be divided into one or more modules/units (e.g., computer program 1, computer program 2, shown in FIG. 3), which are stored in the memory and executed by the processor to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing certain functions, which are used to describe the execution of the computer program in the wireless device. For example, the computer program may be divided into a sample data set obtaining module 11 and a wireless characteristic information generating module 12, and the specific functions of the modules are as follows:
the sample data set obtaining module 11 is configured to respond to the wireless characteristic information generation instruction in the current working environment, and perform power adjustment on the working power of the network side for several times according to a preset adjustment rule; after the working power of the network side is adjusted every time, controlling the network side to communicate with each user side by the adjusted working power, and acquiring the signal strength and the wireless performance value of a communication link between the network side and each user side to obtain a sample data set;
a wireless characteristic information generating module 12, configured to generate wireless characteristic information according to a preset fitting function and all the sample data sets obtained under power adjustment for several times; the wireless characteristic information comprises a plurality of signal strengths and a wireless characteristic value corresponding to each signal strength.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like that is the control center for the wireless device and that connects the various parts of the overall wireless device using various interfaces and lines.
The memory may be used to store the computer programs and/or modules, and the processor may implement various functions of the wireless device by executing or otherwise executing the computer programs and/or modules stored in the memory, as well as by invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein the wireless device integrated module/unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the wireless characteristic information generation method provided in the above embodiments may be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the wireless characteristic information generation method provided in any of the above embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
It should be noted that the wireless device may include, but is not limited to, a processor and a memory, and those skilled in the art will understand that the structural diagram of fig. 3 is only an example of the wireless device and does not constitute a limitation of the wireless device, and may include more or less components than those shown, or combine some components, or different components.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A method for generating radio characteristic information, the method comprising:
under the current working environment, responding to the wireless characteristic information to generate an instruction, and carrying out power regulation on the working power of the network side for a plurality of times according to a preset regulation rule; after the working power of the network side is adjusted every time, controlling the network side to communicate with each user side by the adjusted working power, and acquiring the signal strength and the wireless performance value of a communication link between the network side and each user side to obtain a sample data set;
generating wireless characteristic information according to a preset fitting function and all the sample data sets obtained under the condition of power adjustment for a plurality of times; the wireless characteristic information comprises a plurality of signal strengths and a wireless characteristic value corresponding to each signal strength.
2. The wireless characteristic information generating method according to claim 1, wherein there is one power adjustment to adjust the operating power of the network side to the maximum operating power of the network side, the fitting function includes N prior conditions, N ≧ 1; before generating wireless characteristic information according to all the sample data sets obtained under the preset fitting function and several times of power adjustment, the method further generates several prior conditions in the fitting function by the following steps:
acquiring experimental wireless characteristic information of the network side, wherein the experimental wireless characteristic information comprises a corresponding relation between a wireless performance value and a negotiation rate of a communication link between the network side and a user side in an experimental environment;
acquiring a sample data set corresponding to the maximum working power of the network side to obtain a first sample data set;
and generating a plurality of prior conditions according to the experimental wireless characteristic information and the first sample data set.
3. The method for generating radio characteristic information according to claim 2, wherein the generating a plurality of prior conditions according to the experimental radio characteristic information and the first sample data set specifically includes:
reading the maximum wireless performance value in the experimental wireless characteristic information and the minimum value of all signal strengths corresponding to the maximum wireless performance value in the experimental wireless characteristic information from the experimental wireless characteristic information to obtain a first wireless performance value and a first signal strength;
reading the maximum wireless performance value in the first sample data set and the minimum value of all signal strengths corresponding to the maximum wireless performance value in the first sample data set from the first sample data set to obtain a second wireless performance value and a second signal strength;
and generating a plurality of prior conditions according to the first wireless performance value, the second wireless performance value, the first signal strength and the second signal strength.
4. The method for generating wireless characteristic information according to claim 3, wherein the generating a plurality of prior conditions according to the first wireless performance value, the second wireless performance value, the first signal strength, and the second signal strength specifically includes:
at least two a priori conditions are generated as follows:
if the second radio performance value is less than the first radio performance value:
TRSSI＝T1,(RSSI>RSSI1+RSSI3)；
if the second radio performance value is equal to the first radio performance value:
TRSSI＝T2,(RSSI>RSSI2)；
wherein, T1The first radio energy value, RSSI1Is the first signal strength, T2As said second radio performance value, RSSI2Is the second signal strength, TRSSIThe wireless characteristic information is a wireless characteristic value corresponding to the RSSI when the signal strength is the RSSI3Is a preset third signal strength.
5. The radio characteristic information generating method according to claim 4, wherein the value of the third signal strength is 15 dBm.
6. The wireless characteristic information generating method according to any one of claims 2 to 5, wherein the N prior conditions include the following prior conditions:
TRSSI＝0,(RSSI<RSSI4)
wherein, TRSSIThe wireless characteristic information is a wireless characteristic value corresponding to the RSSI when the signal strength is the RSSI4Is the preset fourth signal strength.
7. The radio characteristic information generating method according to claim 6, wherein the fourth signal strength takes a value of-95 dBm.
8. The method for generating radio characteristic information according to claim 1, wherein the performing power adjustment on the working power of the network side for a plurality of times according to a preset adjustment rule specifically includes:
obtaining working power corresponding to the ith power adjustment according to the following formula; and performing ith power adjustment on the network side according to the working power corresponding to the ith power adjustment:
wherein, PiAdjusting the corresponding operating power, P, for the ith powermaxIs the maximum operating power, P, of the network side0For a preset regulated power, Pi-1And adjusting the corresponding working power for the i-1 st power.
9. A wireless characteristic information generating apparatus, characterized in that the apparatus comprises:
the system comprises a sample data set acquisition module, a wireless characteristic information generation module and a power regulation module, wherein the sample data set acquisition module is used for responding to a wireless characteristic information generation instruction under the current working environment and carrying out power regulation on the working power of a network side for a plurality of times according to a preset regulation rule; after the working power of the network side is adjusted every time, controlling the network side to communicate with each user side by the adjusted working power, and acquiring the signal strength and the wireless performance value of a communication link between the network side and each user side to obtain a sample data set;
the wireless characteristic information generating module is used for generating wireless characteristic information according to a preset fitting function and all the sample data sets obtained under the condition of power adjustment for a plurality of times; the wireless characteristic information comprises a plurality of signal strengths and a wireless characteristic value corresponding to each signal strength.
10. A wireless device comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the wireless characteristic information generation method of any one of claims 1 to 8 when executing the computer program.
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