CN111031566A

CN111031566A - Method and device for evaluating expansibility of wireless bridge network and wireless equipment

Info

Publication number: CN111031566A
Application number: CN201911373356.9A
Authority: CN
Inventors: 贺斌; 谈加杰
Original assignee: Pulian International Co Ltd
Current assignee: Pulian International Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-04-17
Anticipated expiration: 2039-12-25
Also published as: CN111031566B

Abstract

The invention discloses a method, a device and wireless equipment for evaluating the expansibility of a wireless bridge network, wherein the method comprises the following steps: acquiring a first corresponding relation; under each distance indication information, acquiring a second corresponding relation between a second received signal strength indication of the wireless terminal equipment relative to the wireless bridging equipment and a second performance value obtained by the wireless terminal equipment through the wireless bridging equipment; according to the first corresponding relation and the second corresponding relation, a corresponding position point set under each distance indication information is obtained from all wireless terminal equipment position points in the plane simulation space; calculating an expansion area formed by a position point set corresponding to each distance indication information; and evaluating the expansion performance of the wireless bridging network under each distance indication information according to the expansion area corresponding to each distance indication information. The invention can evaluate the expansion performance corresponding to all distances between the wireless bridging equipment and the wireless access equipment in the global range.

Description

Method and device for evaluating expansibility of wireless bridge network and wireless equipment

Technical Field

The present invention relates to the field of wireless communication technologies, and in particular, to a method and an apparatus for evaluating scalability of a wireless bridge network, and a wireless device.

Background

The wireless bridge network is an effective way to achieve rapid expansion of network coverage, for example, after the wireless bridge device is bridged to the wireless access device, the coverage of the network where the wireless access device is located is expanded, so that the wireless terminal device can access the network in more places. The distance between the wireless bridging device and the wireless access device affects the wireless performance that the wireless terminal device can obtain from the wireless bridging device, and further affects the expansion of the network coverage by the wireless bridging device, that is, affects the expansion performance of the wireless bridging network.

The evaluation of the scalability of the wireless bridge network may be used to determine whether the distance between the wireless bridge device and the wireless access device is set reasonably, and whether the wireless bridge device can provide sufficient wireless performance to the wireless terminal device. For example, an optimal extended performance is evaluated, and the RSSI value between the wireless bridging device and the wireless access device when the optimal extended performance is obtained is used as an RSSI threshold. And during actual judgment, comparing the currently detected RSSI value between the wireless bridging device and the wireless access device with the RSSI threshold value, judging whether the distance between the wireless bridging device and the wireless access device is reasonable or not, and if not, adjusting the distance between the wireless bridging device and the wireless access device.

In the prior art, when evaluating the expansion performance of the wireless bridge network, a test is usually performed in a certain test environment, the distance between the wireless bridge device and the wireless access device is continuously adjusted, and the RSSI value of the wireless bridge device and the expansion performance of the wireless bridge network at each distance are recorded, so as to obtain the expansion performance of the wireless bridge network at different distances. After a plurality of tests, an optimal expansion performance and an RSSI threshold value corresponding to the optimal expansion performance are determined.

However, the scheme in the prior art can only evaluate the expansion performance of the wireless bridge network in a limited test, that is, the prior art can only evaluate the expansion performance of the wireless bridge network corresponding to a limited distance between the wireless bridge device and the wireless access device, and cannot evaluate the expansion performance of the wireless bridge network corresponding to all distances between the wireless bridge device and the wireless access device in a global range, which is not favorable for determining an accurate optimal expansion performance and an RSSI threshold corresponding to the optimal expansion performance, and further is not favorable for accurately judging whether the distance between the wireless bridge device and the wireless access device is reasonable.

Disclosure of Invention

The technical problem to be solved by the embodiments of the present invention is to provide a method and an apparatus for evaluating the scalability of a wireless bridge network, and a wireless device, which can evaluate the scalability of the wireless bridge network corresponding to all distances between the wireless bridge device and the wireless access device in a global range, and are beneficial to accurately judging whether the distance between the wireless bridge device and the wireless access device is reasonable.

In order to solve the above technical problem, in a first aspect, the present invention provides a method for evaluating the scalability of a wireless bridged network, the method including:

acquiring a first corresponding relation between a first received signal strength indication of a wireless terminal device relative to a wireless access device and a first performance value obtained by the wireless terminal device through the wireless access device;

under each piece of distance indication information, acquiring a second corresponding relation between a second received signal strength indication of the wireless terminal equipment relative to the wireless bridging equipment and a second performance value obtained by the wireless terminal equipment through the wireless bridging equipment; the distance indication information is used for indicating the distance between the wireless bridging device and the wireless access device in a plane simulation space;

according to the first corresponding relation and the second corresponding relation corresponding to each piece of distance indication information, obtaining a position point set corresponding to each piece of distance indication information from all wireless terminal equipment position points in the plane simulation space; when the wireless terminal device is located at any one wireless terminal device location point in the location point set, the fourth performance value obtained by the wireless terminal device through the wireless bridging device is greater than the third performance value obtained by the wireless terminal device through the wireless access device;

calculating an expanded area formed by the position point set corresponding to each distance indication information;

and evaluating the expansion performance of the wireless bridging network under each piece of distance indication information according to the expansion area corresponding to each piece of distance indication information.

Further, the method obtains a position point set corresponding to any one of the distance indication information by the following steps:

acquiring a third received signal strength indication of the wireless terminal device relative to the wireless access device when the wireless terminal device is located at each wireless terminal device location point; determining a third performance value obtained by the wireless access device when the wireless terminal device is located at each wireless terminal device location point according to the first corresponding relationship and the third received signal strength indication;

acquiring a fourth received signal strength indication of the wireless terminal device relative to the wireless bridging device when the wireless terminal device is located at each wireless terminal device location point; determining a fourth performance value obtained by the wireless bridging device when the wireless terminal device is located at each wireless terminal device location point according to the second corresponding relationship corresponding to the distance indication information and the fourth received signal strength indication;

under each wireless terminal equipment position point, judging whether the fourth performance value obtained by the wireless terminal equipment is larger than the third performance value; when the fourth performance value obtained by the wireless terminal equipment is judged to be greater than the third performance value, the wireless terminal position point where the wireless terminal equipment is located is listed as an aggregation point;

and acquiring the position point set according to all the set points.

Further, if N performance difference levels are preset, the position point set is composed of N position point subsets, and the N position point subsets correspond to the N performance difference levels one to one; n is greater than 1;

then, when it is determined that the fourth performance value obtained by the wireless terminal device is greater than the third performance value, listing the wireless terminal location point where the wireless terminal device is located as an aggregation point specifically includes:

when the fourth performance value obtained by the wireless terminal equipment is judged to be larger than the obtained third performance value, calculating a performance difference value of the fourth performance value obtained by the wireless terminal equipment and the third performance value obtained by the wireless terminal equipment;

determining a target performance difference level corresponding to the performance difference value from the N performance difference levels;

determining a target position point subset corresponding to the wireless terminal position point where the wireless terminal equipment is located from the N position point sets according to the target performance difference level; and the wireless terminal position point where the wireless terminal equipment is positioned is listed as a gathering point of the target position point subset;

then, the obtaining the position point set according to all the set points specifically includes:

and obtaining each position point subset according to all the set points corresponding to each position point subset.

Further, the calculating an extended area formed by the position point set corresponding to each piece of distance indication information specifically includes:

under each piece of distance indication information, calculating an extended area formed by each position point subset to obtain an extended area corresponding to each performance difference level;

then, according to the extended area corresponding to each piece of distance indication information, evaluating the extended performance of the wireless bridging network under each piece of distance indication information, specifically including:

and evaluating the expansion performance of the wireless bridging network under each piece of distance indication information according to the expansion area corresponding to each performance difference grade of each piece of distance indication information.

Further, when the wireless terminal device is located at each wireless terminal device location point, obtaining a third received signal strength indication of the wireless terminal device relative to the wireless access device; and determining, according to the first correspondence and the third received signal strength indication, a third performance value obtained by the radio access device when the radio terminal device is located at each of the radio terminal device location points, specifically including:

detecting a first distance between the wireless terminal equipment and the wireless access equipment when the wireless terminal equipment is positioned at each wireless terminal equipment position point;

calculating to obtain the third received signal strength indication according to the first distance and a preset first fitting function;

calculating to obtain the third performance value according to the third received signal strength indication and a preset first calculation formula; wherein the first calculation formula is constructed according to the first corresponding relationship.

Further, the first fitting function is:

RSSI₃＝A₁+B₁×(log D₁+log M₁)；

wherein the RSSI₃Is the third received signal strength indication; a. the₁Is a preset first fitting parameter; b is₁Is a preset second fitting parameter; d₁Is the first distance; m₁The working frequency of the wireless access equipment;

then, the first calculation formula is:

wherein, Thr₃Is the third property value, Thr_1-maxA peak value which is a first performance value in the first corresponding relation;

for the first corresponding relation, the first received signal strength indication RSSI_aThe corresponding first performance value;

for the first corresponding relation, the first received signal strength indication RSSI_bThe corresponding first performance value; RSSI_aAnd RSSI_bAre all pre-calibrated first received signal strength indications.

Further, when the wireless terminal device is located at each wireless terminal device location point, a fourth received signal strength indication of the wireless terminal device relative to the wireless bridge device is obtained; and determining, according to the second correspondence corresponding to the distance indication information and the fourth received signal strength indication, a fourth performance value obtained by the wireless bridging device when the wireless terminal device is located at each of the wireless terminal device location points, specifically including:

detecting a second distance between the wireless terminal device and the wireless bridging device when the wireless terminal device is located at each wireless terminal device location point;

calculating to obtain the fourth received signal strength indication according to the second distance and a preset second fitting function;

calculating to obtain the fourth performance value according to the fourth received signal strength indication and a preset second calculation formula; and the second calculation formula is constructed according to the second corresponding relation.

Further, the second fitting function is:

RSSI₄＝A₂+B₂×(log D₂+log M₂)；

wherein the RSSI₄Is the fourth received signal strength indication; a. the₂Is a preset thirdFitting parameters; b is₂Is a preset fourth fitting parameter; d₂Is the second distance; m₂The operating frequency of the wireless bridging device;

then, the second calculation formula is:

wherein, Thr₄Is said fourth property value, Thr_2-maxA peak value of a second performance value in the second correspondence;

for the second corresponding relation, the second received signal strength indication RSSI_cThe corresponding second performance value;

for the second corresponding relation, the second received signal strength indication RSSI_dThe corresponding second performance value; RSSI_cAnd RSSI_dAre each a pre-calibrated second received signal strength indication.

Further, the method further comprises:

when the wireless bridge network is not established in advance and the wireless terminal device is directly connected to the wireless bridge device, acquiring a fifth corresponding relationship between a fifth received signal strength indication of the wireless terminal device relative to the wireless bridge device and a fifth performance value acquired by the wireless terminal device through the wireless bridge device;

then, the obtaining a first corresponding relationship between a first received signal strength indication of the wireless terminal device relative to the wireless access device and a first performance value obtained by the wireless terminal device through the wireless access device specifically includes:

taking the fifth rssi as the first rssi, the fifth performance value as the first performance value, and the fifth mapping relation as the first mapping relation.

Further, the distance indication information is a received signal strength indication, and the first, second, third, and fourth performance values are throughput.

In order to solve the corresponding technical problem, in a second aspect, the present invention further provides an apparatus for evaluating the scalability of a wireless bridged network, where the apparatus includes:

a first corresponding relation obtaining module, configured to obtain a first corresponding relation between a first received signal strength indication of a wireless terminal device relative to a wireless access device and a first performance value obtained by the wireless terminal device through the wireless access device;

a second corresponding relation obtaining module, configured to obtain, under each distance indication information, a second corresponding relation between a second received signal strength indication of the wireless terminal device relative to the wireless bridge device and a second performance value obtained by the wireless terminal device through the wireless bridge device; the distance indication information is used for indicating the distance between the wireless bridging device and the wireless access device in a plane simulation space;

a position point set obtaining module, configured to obtain, according to the first corresponding relationship and the second corresponding relationship corresponding to each piece of distance indication information, a position point set corresponding to each piece of distance indication information from all position points of the wireless terminal device in the plane simulation space; when the wireless terminal device is located at any one wireless terminal device location point in the location point set, the fourth performance value obtained by the wireless terminal device through the wireless bridging device is greater than the third performance value obtained by the wireless terminal device through the wireless access device;

an expanded area calculation module, configured to calculate an expanded area formed by the position point set corresponding to each piece of distance indication information;

and the expansion performance evaluation module is used for evaluating the expansion performance of the wireless bridging network under each piece of distance indication information according to the expansion area corresponding to each piece of distance indication information.

In order to solve the corresponding 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, when executing the computer program, implements the method for evaluating the scalability of a wireless network as set forth in any one of the first aspects.

According to the method, the device and the wireless equipment for evaluating the expansion performance of the wireless bridge network, each distance indication information between the wireless bridge equipment and the wireless access equipment can be traversed through the plane simulation space, each wireless terminal equipment position point can be traversed through the plane simulation space, the expansion area of the wireless bridge network under each distance indication information is obtained through the first corresponding relation and the second corresponding relation, and then the expansion performance of the wireless bridge network under each distance indication information can be evaluated. Because all distances between the wireless bridging device and the wireless access device in the global range can be traversed in the plane simulation space, each wireless terminal device position point can be traversed, and the expansion area is obtained by combining the first corresponding relation and the second corresponding relation, the method and the device can obtain the expansion performance of the wireless bridging network corresponding to all distances between the wireless bridging device and the wireless access device in the global range without being limited by actual test times, and are beneficial to accurately judging whether the distances between the wireless bridging device and the wireless access device are reasonable or not.

Drawings

Fig. 1 is a schematic diagram of a scenario of a wireless bridged network;

FIG. 2 is a schematic diagram of a radio attenuation performance curve of a commercially available wireless product;

fig. 3 is a flowchart illustrating a method for evaluating the scalability of a wireless bridged network according to a preferred embodiment of the present invention;

FIG. 4 is a schematic diagram of a preferred embodiment of a first correspondence provided by the present invention;

FIG. 5 is a schematic diagram of a preferred embodiment of a second correspondence provided by the present invention;

FIG. 6 is a first schematic diagram of a planar simulation space provided by the present invention;

FIG. 7 is a schematic diagram of one of the location point sets provided by the present invention;

FIG. 8 is a first diagram of the corresponding extended area for each distance indication provided by the present invention;

FIG. 9 is a schematic flow chart of a preferred embodiment of step S3 in FIG. 3;

FIG. 10 is a second schematic diagram of a planar simulation space provided by the present invention;

FIG. 11 is a schematic diagram of a subset of location points provided by the present invention;

FIG. 12 is a second schematic diagram of the corresponding extended area under each distance indication information provided by the present invention;

fig. 13 is a schematic structural diagram of a preferred embodiment of an apparatus for evaluating the scalability of a wireless bridged network according to the present invention;

fig. 14 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

In this embodiment, the method for evaluating the scalability of the wireless bridging network is executed by a wireless bridging device, where the wireless bridging device may be a wireless extension device (RE), or another wireless access device, such as a router, besides a bridged wireless access device.

As shown in fig. 1, fig. 1 is a schematic view of a scenario of a wireless bridge network, in which a wireless bridge device (RE device in fig. 1) bridges to a wireless access device (wireless AP in fig. 1) to obtain wireless performance, and then extends the network to provide the connected wireless terminal device with the wireless performance. In different wireless bridging networks, the distance between the wireless access device and the wireless bridging device may be different, the distance between the wireless terminal device and the wireless bridging device may be different, and the distance between the wireless terminal device and the wireless access device may be different, so that in different wireless bridging networks, the wireless performance obtained by the wireless terminal device directly from the wireless access device may be different, and the wireless performance obtained by the wireless terminal device from the wireless bridging device may be different. And because the wireless bridging device expands the network after acquiring the wireless performance from the wireless access device, the wireless performance acquired by the wireless terminal device from the wireless bridging device is influenced by the distance between the wireless terminal device and the wireless bridging device and the distance between the wireless bridging device and the wireless access device.

The Received Signal Strength Indicator (RSSI) is related to the distance between two devices, and the wireless performance will change with the change of the RSSI, as shown in fig. 2, fig. 2 is a schematic diagram of the wireless attenuation performance curve of some wireless product on the market. As can be seen from fig. 2, the distance between two devices affects the received signal strength indication of the wireless product, and thus the wireless performance (e.g., the throughput in fig. 2) obtained by the wireless product. Therefore, the difference in the distance between the wireless access device and the wireless bridge device affects how much coverage the wireless terminal device can obtain the wireless performance from the wireless bridge device, and the invention considers the distance (or RSSI) relationship among the wireless terminal device, the wireless bridge device and the wireless access device, and the influence on the expansion performance of the wireless bridge network, and evaluates the expansion performance of the wireless bridge network for different distances between the wireless bridge device and the wireless access device.

Referring to fig. 3, fig. 3 is a flowchart illustrating a method for evaluating scalability of a wireless bridging network according to a preferred embodiment of the present invention; specifically, the present invention provides a method for evaluating the scalability of a wireless bridge network, where the method includes:

s1, acquiring a first corresponding relation between a first received signal strength indication of a wireless terminal device relative to a wireless access device and a first performance value obtained by the wireless terminal device through the wireless access device;

it should be noted that the first performance value corresponding to each first rssi in the first corresponding relationship is determined in advance through a test, and a radio access device having the same or similar attribute as that of a radio access device used in an actual network may be used in the test. And directly taking the first corresponding relation obtained by the test as the first corresponding relation obtained by the invention. After the first corresponding relation is obtained by testing other devices, the first corresponding relation is stored in the memory of the execution device of the invention, and when the invention is implemented, the execution device acquires the first corresponding relation from the memory.

Preferably, the wireless access device with the same attribute as the wireless access device used by the actual network is used for testing to generate the first corresponding relation, so that the extended performance evaluation of the wireless bridging network is more accurate.

S2, under each distance indication information, obtaining a second corresponding relationship between a second received signal strength indication of the wireless terminal device relative to the wireless bridging device and a second performance value obtained by the wireless terminal device through the wireless bridging device; the distance indication information is used for indicating the distance between the wireless bridging device and the wireless access device in a plane simulation space;

it should be noted that the distance indication information may be a distance value or an RSSI value; as known to those skilled in the art, the RSSI value is a parameter for measuring the distance between the signal point and the receiving point according to the strength of the received signal, so the RSSI value can also be used to indicate the distance between the wireless terminal device and the wireless bridging device. It should be noted that the second corresponding relationship under each distance indication information may be obtained by testing the corresponding wireless product in advance, and then stored in the execution device of the present invention; or the executing device of the present invention may calculate the second corresponding relationship corresponding to each distance indication information through a certain calculation model.

S3, obtaining a position point set corresponding to each piece of distance indication information from all wireless terminal device position points in the plane simulation space according to the first corresponding relation and the second corresponding relation corresponding to each piece of distance indication information; when the wireless terminal device is located at any one wireless terminal device location point in the location point set, the fourth performance value obtained by the wireless terminal device through the wireless bridging device is greater than the third performance value obtained by the wireless terminal device through the wireless access device;

it should be noted that, when the first corresponding relationship is obtained, the radio access device itself adopted for the test is the radio access device with the same attribute as the actually located radio bridge network, for example, the radio access device of the same model, the third performance value may be directly obtained in the first corresponding relationship, for example, when the radio terminal device is at a certain radio terminal device location point, the third received signal strength indication between the radio terminal device and the radio access device is obtained, the corresponding first performance value is searched in the first corresponding relationship according to the third received signal strength indication, and the first performance value may be used as the third performance value.

When the first corresponding relation is obtained, the attributes of the wireless access equipment used for testing are different from the attributes of the wireless access equipment used actually, a simplified calculation model can be obtained by performing certain fitting on the first corresponding relation, and the third performance value is obtained through the simplified calculation model.

Similarly, the fourth performance value may also be obtained directly according to the second corresponding relationship, or a simplified calculation model may be obtained by performing a certain fitting according to the second corresponding relationship, and the fourth performance value is obtained through the simplified calculation model.

S4, calculating the expanded area formed by the position point set corresponding to each distance indication information;

and S5, evaluating the expansion performance of the wireless bridging network under each piece of distance indication information according to the expansion area corresponding to each piece of distance indication information.

It should be noted that the first corresponding relationship and each of the second corresponding relationships may be a corresponding curve, a corresponding table, a corresponding function, and the like. When the first correspondence is a correspondence curve, it may be a wireless attenuation performance curve of a corresponding product, and most wireless devices in the market previously measure the wireless attenuation performance curve of the product. The following explains the implementation process of this embodiment by taking the first corresponding relationship and the second corresponding relationship as corresponding curves, and taking the wireless bridging device as an RE device as an example (hereinafter, "wireless access device" is simply referred to as "wireless AP"):

obtaining a first received signal strength indication RSSI of a wireless terminal device relative to a wireless AP₁A first corresponding relationship with a first performance value obtained by the wireless terminal device through the wireless AP is shown in fig. 4, where the first performance value is illustrated by taking throughput as an example in fig. 4, and the abscissa in fig. 4 is a first received signal strength indicator RSSI₁The ordinate is the first performance value Thr₁(ii) a The first performance value refers to wireless performance obtained by the wireless terminal device directly connecting to the wireless AP.

The distance between the wireless bridging device and the wireless access device is different, and the wireless performance obtained by the wireless bridging device from the wireless access device is different, so that even if the distance between the wireless terminal device and the RE device is not changed, the wireless performance obtained by the wireless terminal device from the wireless bridging device is also influenced by the distance between the wireless bridging device and the wireless access device. The method acquires the second received signal strength indication RSSI of the wireless terminal equipment relative to the RE equipment under each distance indication information₂Second performance value Thr obtained from radio terminal equipment through RE equipment₂The second correspondence relationship of (1); by traversing all the distance indication information between the RE device and the wireless AP, the second corresponding relationship corresponding to each distance indication information can be obtained. As shown in fig. 5, fig. 5 shows one of the second correspondences, and the abscissa in fig. 5 is the second RSSI₂Ordinate being second performance valueThr₂。

According to the first corresponding relation and the second corresponding relation corresponding to each distance indication information, a position point set corresponding to each distance indication information is obtained from all wireless terminal equipment position points in a plane simulation space of the wireless bridging network; when the wireless terminal device is located at any wireless terminal device location point in the location point set, the fourth performance value obtained by the wireless terminal device through the wireless bridging device is greater than the third performance value obtained by the wireless terminal device through the wireless access device.

Further, a position point set under each distance indication information is obtained. Specifically, the wireless terminal device may be at any position in the planar simulation space, that is, any wireless terminal device position point, for example, as shown in fig. 6, assuming that, under the distance between the wireless AP and the RE device in fig. 6, the distance indication information is D, when the wireless terminal device is at the wireless terminal device position point a in the planar simulation space, the wireless terminal device may obtain, according to the first corresponding relationship, that the wireless terminal device is directly connected to the wireless AP to obtain a third performance value, and obtain, according to the second corresponding relationship corresponding to the distance indication information D, that the wireless terminal device is directly connected to the RE device to obtain a fourth performance value, and if the fourth performance value obtained by the wireless terminal device at point a is greater than the third performance value, which indicates that the wireless terminal device can obtain better wireless performance at point a through the RE device, the point a is one of the position point set. When the wireless terminal device is located at another wireless terminal location point in the plane simulation space of fig. 6, the third and fourth performance values are obtained through the above process, so that after traversing all the wireless terminal device location points, a location point set including a plurality of wireless terminal device location points is obtained, where the location point set is a location point set corresponding to the distance indication information D. As shown in fig. 7, the gray-shaded area in fig. 7 is an area formed by a set of position points corresponding to the distance indicating information D. And traversing each distance indication information to obtain a position point set corresponding to each distance indication information.

It is expected that a set of location points under one distance indication information represents all wireless terminal device location points where the wireless terminal device obtains wireless performance from the RE device better than directly from the wireless AP when the distance between the RE device and the wireless AP is determined.

Further, calculating an extended area formed by a position point set corresponding to each distance indication information;

the extended area formed by a set of location points represents the network performance area extended by the RE device when the distance between the RE device and the wireless AP is determined. Thus, the extended area formed by the position point set corresponding to each distance indication information is obtained, and the extended area formed by the position point set corresponding to each distance indication information is as shown in fig. 8, so that different network performance areas extended by the RE device at different distances from the wireless AP are obtained.

Further, the expansion performance of the wireless bridging network under each distance indication information is evaluated according to the expansion area corresponding to each distance indication information. Specifically, the expansion area may be used as a specific evaluation score to evaluate the expansion performance of the wireless bridge network, and may also be used to correspondingly evaluate the expansion performance of the wireless bridge network under each distance indication information according to a certain area level. For example, for all extended areas with an extended area smaller than Q1, the corresponding wireless bridged network is evaluated for "poor" extended performance; for all the extended areas with the extended areas greater than or equal to Q1 and less than Q2, the extended performance of the corresponding wireless bridging network is evaluated as "medium", and for all the extended areas with the extended areas greater than or equal to Q2, the extended performance of the corresponding wireless bridging network is evaluated as "excellent".

Meanwhile, based on the expansion performance of each piece of distance indication information evaluated by the present invention, the following characteristic quantities can be obtained, and the distance indication information is an RSSI indication as an example for explanation:

1. according to the extension area corresponding to each piece of distance indication information, the optimal extension performance is evaluated, and then the distance indication information corresponding to the optimal extension performance can be obtained, and the distance indication information is used as a threshold (when the distance indication information is an RSSI value, the obtained threshold is an RSSI threshold) for judging whether the distance between the RE device and the wireless AP is reasonable, and judging whether the placement positions of the RE device and the wireless AP are reasonable. Namely: when the RE device and the wireless AP are in the RSSI threshold value, the wireless bridging network obtains the optimal expansion performance and has the optimal coverage performance;

2. critical RSSI values are obtained for severe degradation of extended performance of the wireless bridging network, e.g., all extended areas are obtained with reference to fig. 8, a lower early warning threshold (e.g., -87dB) and an upper early warning threshold (e.g., -71dB) are obtained. If the RSSI value between the RE equipment and the wireless AP is detected to be smaller than the lower-limit early warning threshold value or larger than the upper-limit early warning threshold value, the coverage performance of the wireless bridge network is seriously stepped back or the coverage performance is poor;

3. by setting different levels of the extended area, the RSSI value ranges corresponding to the extended areas of different levels can be obtained.

It should be noted that, based on the feature quantities obtained by the scalability under each piece of distance indication information evaluated by the present invention, the feature quantities can be directly adapted to corresponding wireless products, such as RE devices in the same family, without each RE device executing the method provided by the present invention.

The method for evaluating the expansibility of the wireless bridge network provided by the invention can traverse each distance indication information between the wireless bridge equipment and the wireless access equipment through the plane simulation space, traverse each position point of the wireless terminal equipment through the plane simulation space, obtain the expansion area of the wireless bridge network under each distance indication information through the first corresponding relation and the second corresponding relation, and further evaluate the expansibility of the wireless bridge network under each distance indication information. Because all distances between the wireless bridging device and the wireless access device in the global range can be traversed in the plane simulation space, each wireless terminal device position point can be traversed, and the expansion area is obtained by combining the first corresponding relation and the second corresponding relation, the method and the device can obtain the expansion performance of the wireless bridging network corresponding to all distances between the wireless bridging device and the wireless access device in the global range without being limited by actual test times, and are beneficial to accurately judging whether the distances between the wireless bridging device and the wireless access device are reasonable or not.

It should be noted that the plane simulation space of the present invention is only used for traversing all distances between the wireless bridging device and the wireless access device and all wireless terminal device location points, and each performance value corresponding to each distance indication information and wireless terminal device location point is obtained according to the first corresponding relationship and the second corresponding relationship, that is, the plane simulation space does not affect each distance indication information and each performance value corresponding to the wireless terminal device location point, and the use of the plane simulation space does not affect the accuracy of the extended area of the present invention.

Preferably, referring to fig. 9, fig. 9 is a schematic flowchart of a preferred embodiment of step S3 in fig. 3; specifically, the method obtains a position point set corresponding to any one of the distance indication information through the following steps:

s31, acquiring a third received signal strength indication of the wireless terminal device relative to the wireless access device when the wireless terminal device is located at each wireless terminal device location point; determining a third performance value obtained by the wireless access device when the wireless terminal device is located at each wireless terminal device location point according to the first corresponding relationship and the third received signal strength indication;

s32, obtaining a fourth received signal strength indication of the wireless terminal device relative to the wireless bridging device when the wireless terminal device is located at each of the wireless terminal device location points; determining a fourth performance value obtained by the wireless bridging device when the wireless terminal device is located at each wireless terminal device location point according to the second corresponding relationship corresponding to the distance indication information and the fourth received signal strength indication;

s33, under each wireless terminal device location point, determining whether the fourth performance value obtained by the wireless terminal device is greater than the third performance value; when the fourth performance value obtained by the wireless terminal equipment is judged to be greater than the third performance value, the wireless terminal position point where the wireless terminal equipment is located is listed as an aggregation point;

and S34, acquiring the position point set according to all the set points.

Specifically, taking a position point set under the distance indication information D as an example, the implementation process of this embodiment is described:

as shown in fig. 10, when the wireless terminal device is located at the point B of the wireless terminal device, and the wireless terminal device is directly connected to the wireless AP at the position to obtain the wireless performance, the third RSSI between the wireless terminal device and the wireless AP is obtained₃And a third performance value Thr obtained from the wireless AP₃. Similarly, when the wireless terminal device is located at the location point of another wireless terminal device, the RSSI at the location point of the wireless terminal device is correspondingly obtained₃And Thr₃。

As shown in fig. 10, the distance between the RE device and the wireless AP reaches the distance indication information D, and the wireless terminal device connects to the RE device to obtain the wireless performance. When the wireless terminal equipment is positioned at the point B of the wireless terminal equipment, obtaining a fourth received signal strength indicator RSSI between the wireless terminal equipment and the RE equipment₄And a fourth performance value Thr obtained from the RE device₄. Similarly, when the wireless terminal device is located at the location point of another wireless terminal device, the RSSI at the location point of the wireless terminal device is correspondingly obtained₄And Thr₄。

Similarly, through the above-mentioned process, the third and fourth performance values corresponding to the wireless terminal device located at the wireless terminal device location point C, the wireless terminal device location point E, and each of the other wireless terminal device location points in fig. 10 are obtained.

For the wireless terminal equipment located at the wireless terminal equipment location point B, it is determined whether the fourth performance value obtained when the wireless terminal equipment is located at the wireless terminal equipment location point B is greater than the obtained third performance value, for example, the third performance value obtained when the wireless terminal equipment is located at the wireless terminal equipment location point B is 190Mbps, the fourth performance value obtained when the wireless terminal equipment is located at the wireless terminal equipment location point B is 200Mbps, and if it is determined that the fourth performance value 200Mbps is greater than the third performance value 190Mbps, the wireless terminal equipment location point B is listed as an aggregation point.

For the case that the wireless terminal device is located at the wireless terminal device location point C, it is determined whether the fourth performance value obtained when the wireless terminal device is located at the wireless terminal device location point C is greater than the obtained third performance value, for example, the third performance value obtained when the wireless terminal device is located at the wireless terminal device location point C is 210Mbps, the fourth performance value obtained when the wireless terminal device is located at the wireless terminal device location point B is 280Mbps, and if it is determined that the fourth performance value 280Mbps is greater than the third performance value 210Mbps, the wireless terminal device location point C is also listed as an aggregation point.

For the case that the wireless terminal device is located at the wireless terminal device location point E, it is determined whether the fourth performance value obtained when the wireless terminal device is located at the wireless terminal device location point E is greater than the obtained third performance value, for example, the third performance value obtained when the wireless terminal device is located at the wireless terminal device location point E is 240Mbps, the fourth performance value obtained when the wireless terminal device is located at the wireless terminal device location point B is 200Mbps, it is determined that the fourth performance value 200Mbps is not greater than the third performance value 240Mbps, the wireless terminal device location point E is not listed as an aggregation point, and the location point set corresponding to the distance indication information D does not include the wireless terminal device location point E.

And similarly, judging the magnitude relation between the third performance value and the fourth performance value obtained by the wireless terminal equipment positioned at the position points of other wireless terminal equipment, and determining whether each wireless terminal equipment position point is listed as an aggregation point. After traversing all the wireless terminal device location points, a plurality of aggregation points are obtained, and the aggregation points form a location point set. The position point set is a position point set corresponding to the distance indication information D, and the shaded area in fig. 7 is an area formed by the position point set corresponding to the distance indication information D.

Similarly, the position point set corresponding to each distance indication information is obtained through the above process.

Preferably, N performance difference levels are preset, and the position point set is composed of N position point subsets, where the N position point subsets correspond to the N performance difference levels one to one; n is greater than 1;

In this embodiment, specifically, assuming that N is 3, the performance difference level is divided into:

(1) first performance poor rating: the performance difference is greater than 0; corresponding to the first subset of location points.

(2) Second performance poor rating: the performance difference is greater than 20; corresponding to the second subset of location points.

(3) Third performance poor rating: the performance difference is greater than 50; corresponding to the third subset of location points.

The above wireless terminal device location points B and C are taken as examples for explanation:

taking point B as an example, after it is determined that the fourth performance value 200Mbps obtained when the wireless terminal device is located at point B of the wireless terminal device is greater than the third performance value 190Mbps, the performance difference between the fourth performance value 200Mbps and the third performance value 190Mbps obtained by the wireless terminal device is calculated to be 10 Mbps. And determining that the performance difference value is 10Mbps and belongs to the first performance difference level from the first performance difference level to the third performance difference level, wherein the first performance difference level is a target performance difference level. Further, it is determined that the target position point subset corresponding to the wireless terminal device position point B is combined into the first position point subset. The wireless terminal device location point B is an aggregation point of the first subset of location points.

Taking point C as an example, after it is determined that the fourth performance value 280Mbps obtained when the wireless terminal device is located at point C of the wireless terminal device is greater than the third performance value 210Mbps, the performance difference between the fourth performance value 280Mbps and the third performance value 210Mbps obtained by the wireless terminal device is calculated to be 70 Mbps. And determining that the performance difference value is 70Mbps from the first performance difference level to the third performance difference level, wherein the second performance difference level and the third performance difference level are both target performance difference levels. Further, the target position point subset corresponding to the wireless terminal device position point C is determined to be the second position point subset and the third position point subset. The wireless terminal device location point C is an aggregation point of the second subset of location points and is also an aggregation point of the third subset of location points.

And determining the sub-set of the target position points to which the other wireless terminal device position points with the fourth performance value greater than the third performance value belong through the process, so as to obtain all the set points corresponding to each sub-set of the position points. And obtaining each position point subset according to all the set points corresponding to each position point subset. As shown in fig. 11, fig. 11 schematically shows regions formed by the first to third position point subsets in a certain distance indication information.

In this embodiment, different position point subsets are obtained through hierarchical calculation, which is beneficial to performing more detailed division on the extension area under each distance indication information, and more accurate evaluation on the extension performance of the wireless bridging network.

Preferably, the calculating an extended area formed by the position point set corresponding to each piece of distance indication information specifically includes:

In this embodiment, the extended area corresponding to each performance difference level under each piece of distance indication information can be obtained, so as to further improve the accuracy of evaluating the extension performance of the wireless bridge network. For example, fig. 12 shows the extended area corresponding to each performance difference level obtained under each piece of distance indication information, and the abscissa in fig. 12 is the distance indication information, and the distance indication information is the RSSI value between the wireless AP and the RE device. In fig. 12, the first expanded area corresponds to the first position point subset, the second expanded area corresponds to the second position point subset, and the third expanded area corresponds to the third position point subset.

As shown in fig. 12, it can be estimated that the expansion performance of the wireless bridge network is optimal when the RSSI value between the RE device and the wireless AP is-82 dB, the expansion performance of the wireless bridge network is significantly deteriorated when the RSSI value between the RE device and the wireless AP is-87 dB, and the expansion performance of the wireless bridge network is significantly poor when the RSSI value between the RE device and the wireless AP is-71 dB. Of course, the extended performance of the wireless bridging network under other values of the RSSI value between the RE device and the wireless AP may also be evaluated.

Comparing fig. 8 and fig. 12, it can be seen that after the performance difference between the fourth performance value and the third performance value is classified, it is beneficial to determine a more accurate optimal spreading performance, and it is beneficial to determine a more accurate RSSI threshold.

Preferably, the third received signal strength indication of the wireless terminal device relative to the wireless access device is obtained when the wireless terminal device is located at each wireless terminal device location point; and determining, according to the first correspondence and the third received signal strength indication, a third performance value obtained by the radio access device when the radio terminal device is located at each of the radio terminal device location points, specifically including:

In this embodiment, a policy for calculating the third performance value is provided, so as to obtain the third performance value through the simplified calculation model, which makes the present invention more practical, for example, even if the attribute of the wireless access device used in the test is different from that of the wireless access device actually used when the first corresponding relationship is generated by the test, the third performance value can be calculated through the policy of this embodiment.

Specifically, the wireless terminal device is located at each wireless terminal device location point, for example, at a wireless terminal device location point B, a first distance between the wireless terminal device location point B and the wireless AP is calculated, and the first distance is substituted into the first fitting function, so as to obtain an RSSI value of the wireless terminal device when the wireless terminal device is connected to the wireless AP at the point B. And substituting the RSSI value into a first calculation formula to obtain a third performance value which can be obtained from the wireless AP by the wireless terminal equipment at the point B. The third performance value of the wireless terminal device at the location point of the other wireless terminal device is obtained in the same way.

Preferably, the first fitting function is:

RSSI₃＝A₁+B₁×(log D₁+log M₁)；

then, the first calculation formula is:

Note that the first fitting parameter a₁And a second fitting parameter B₁It is possible to characterize one parameter or a combination of parameters. In the first fitting function, a first distance D₁In meters, the operating frequency M of the wireless access device₁In units of "megahertz".

It should be noted that the inventors of the present invention paid creative effortsThen find the first fitting parameter A₁And a second fitting parameter B₁The evaluation of the expansibility of the wireless bridge network is not greatly influenced, and the evaluation of the expansibility needs different expansion area comparisons to be determined. I.e. the first fitting parameter A₁And a second fitting parameter B₁The specific expansion area can be different by taking different values, but the expansion performance represented by one expansion area relative to the other expansion area is not influenced basically. For example, A₁Can take the value of-30, B₁Can take the value of-26, M₁The value can be 2.4 GHZ.

Note that RSSI_aThe first maximum RSSI corresponding to the first corresponding relation when the first performance value is 0 is calibrated in advance_bThe pre-calibrated, first correlation is a minimum first rssi corresponding to the peak first performance value. As shown in FIG. 4, the RSSI is calibrated_aTo-90 dB, calibrate the RSSI_bIs 62.5dB, i.e., the RSSI values at the 2 corners of the first correspondence, corresponding,

the value is 8, and the number is,

the value is 720.

It should be noted that if the first corresponding relationship is obtained by testing a wireless product at 300Mbps, Thr is generally used_1-maxAt 220Mbps, as shown in FIG. 4.

Both the first fitting function and the first calculation formula may be obtained from a specific first correspondence, e.g. for the first correspondence as shown in fig. 4, a₁Can take the value of-30, B₁Can take the value of-26, M₁Can take the value of 2.4GHZ and RSSI_aThe value is-90 dB, RSSI_bIs 62.5dB of the total power of the transformer,

the value is 8, and the number is,

value of 720, Thr_1-maxAt 220 Mbps. The following first fitting function may be obtained:

RSSI₃＝-30+[-26×(log D₁+log 2400)]

the following first calculation formula can be obtained:

Thr₃＝max[0,min(220,8×RSSI₃+720)]。

preferably, the fourth received signal strength indication of the wireless terminal device relative to the wireless bridging device is obtained when the wireless terminal device is located at each wireless terminal device location point; and determining, according to the second correspondence corresponding to the distance indication information and the fourth received signal strength indication, a fourth performance value obtained by the wireless bridging device when the wireless terminal device is located at each of the wireless terminal device location points, specifically including:

The principle of obtaining the fourth performance value in this embodiment is similar to the principle, effect, and process of obtaining the third performance value, and therefore, the description thereof is omitted here.

Preferably, the second fitting function is:

RSSI₄＝A₂+B₂×(log D₂+log M₂)；

wherein the RSSI₄Is the fourth received signal strength indication; a. the₂Is a preset third fitting parameter; b is₂Is a preset fourth fitting parameter; d₂Is the second distance; m₂The operating frequency of the wireless bridging device;

then, the second calculation formula is:

Note that RSSI_cThe second maximum RSSI corresponding to the second correlation with the second performance value of 0 is calibrated in advance_dThe second pre-calibrated correlation is a minimum second rssi corresponding to the second performance value at the peak.

The units and meanings of the parameters of the second fitting function provided in this embodiment are similar to those of the parameters of the first fitting function, and the units and meanings of the parameters of the second calculation formula provided in this embodiment are similar to those of the parameters of the second calculation formula, so that the details are not repeated herein.

Preferably, the method further comprises:

It should be noted that, the radio attenuation performance curve (i.e. the correspondence between the RSSI value and the radio performance) of the wireless product is generally limited to the connected wireless terminal device, not the wireless access device. In addition, it is not easy to obtain the wireless attenuation performance curves of other wireless products, so in this embodiment, when the wireless bridging device is directly connected to the wireless AP without bridging, and the wireless bridging device serves as the wireless access device to directly connect to the wireless terminal device, the fifth corresponding relationship is obtained, and the fifth corresponding relationship is used to replace the first corresponding relationship. The product difference between the wireless bridging device and the wireless access device is small, and the difference between the fifth corresponding relation and the first corresponding relation is small, so the product difference between the wireless bridging device and the wireless access device is ignored.

Preferably, the distance indication information is a received signal strength indication, and the first, second, third and fourth performance values are throughput.

The invention provides an evaluation method of the expansibility of a wireless bridge network, which is implemented concretely, a first corresponding relation between a first received signal strength indication of a wireless terminal device relative to a wireless access device and a first performance value obtained by the wireless terminal device through the wireless access device is obtained; under each distance indication information, acquiring a second corresponding relation between a second received signal strength indication of the wireless terminal equipment relative to the wireless bridging equipment and a second performance value obtained by the wireless terminal equipment through the wireless bridging equipment; the distance indication information is used for indicating the distance between the wireless bridging device and the wireless access device in the plane simulation space; according to the first corresponding relation and the second corresponding relation corresponding to each distance indication information, a position point set corresponding to each distance indication information is obtained from all wireless terminal equipment position points in the plane simulation space; when the wireless terminal equipment is located at any wireless terminal equipment location point in the location point set, the fourth performance value obtained by the wireless terminal equipment through the wireless bridging equipment is greater than the third performance value obtained by the wireless terminal equipment through the wireless access equipment; calculating an expansion area formed by a position point set corresponding to each distance indication information; and evaluating the expansion performance of the wireless bridging network under each distance indication information according to the expansion area corresponding to each distance indication information.

Example two

Fig. 13 shows a schematic structural diagram of an evaluation apparatus for evaluating the scalability of a wireless bridge network according to an embodiment of the present invention, where fig. 13 is a schematic structural diagram of an evaluation apparatus for evaluating the scalability of a wireless bridge network according to an embodiment of the present invention; specifically, the apparatus comprises:

a first corresponding relationship obtaining module 11, configured to obtain a first corresponding relationship between a first received signal strength indication of a wireless terminal device relative to a wireless access device and a first performance value obtained by the wireless terminal device through the wireless access device;

a second corresponding relationship obtaining module 12, configured to obtain, under each piece of distance indication information, a second corresponding relationship between a second received signal strength indication of the wireless terminal device relative to the wireless bridge device and a second performance value obtained by the wireless terminal device through the wireless bridge device; the distance indication information is used for indicating the distance between the wireless bridging device and the wireless access device in a plane simulation space;

a position point set obtaining module 13, configured to obtain, according to the first corresponding relationship and the second corresponding relationship corresponding to each piece of distance indication information, a position point set corresponding to each piece of distance indication information from all the position points of the wireless terminal device in the plane simulation space; when the wireless terminal device is located at any one wireless terminal device location point in the location point set, the fourth performance value obtained by the wireless terminal device through the wireless bridging device is greater than the third performance value obtained by the wireless terminal device through the wireless access device;

an expanded area calculating module 14, configured to calculate an expanded area formed by the position point set corresponding to each piece of distance indicating information;

and the expansion performance evaluation module 15 is configured to evaluate the expansion performance of the wireless bridging network under each piece of distance indication information according to the expansion area corresponding to each piece of distance indication information.

Preferably, the location point set obtaining module 13 includes a first determining unit, a second determining unit, a determining unit and an obtaining unit, wherein when the location point set obtaining module 13 is configured to obtain a location point set corresponding to any one of the distance indication information,

the first determining unit is configured to obtain a third received signal strength indication of the wireless terminal device relative to the wireless access device when the wireless terminal device is located at each of the wireless terminal device location points; determining a third performance value obtained by the wireless access device when the wireless terminal device is located at each wireless terminal device location point according to the first corresponding relationship and the third received signal strength indication;

the second determining unit is configured to obtain a fourth received signal strength indication of the wireless terminal device relative to the wireless bridge device when the wireless terminal device is located at each of the wireless terminal device location points; determining a fourth performance value obtained by the wireless bridging device when the wireless terminal device is located at each wireless terminal device location point according to the second corresponding relationship corresponding to the distance indication information and the fourth received signal strength indication;

the judging unit is used for judging whether the fourth performance value obtained by the wireless terminal equipment is larger than the third performance value under each wireless terminal equipment position point; when the fourth performance value obtained by the wireless terminal equipment is judged to be greater than the third performance value, the wireless terminal position point where the wireless terminal equipment is located is listed as an aggregation point;

the obtaining unit is configured to obtain the position point set according to all the set points.

then, when the determining unit is configured to, when it is determined that the fourth performance value obtained by the wireless terminal device is greater than the third performance value, list the wireless terminal location point where the wireless terminal device is located as an aggregation point, the determining unit is specifically configured to:

then, when the obtaining unit is specifically configured to:

Preferably, the extended area calculation module 14 is specifically configured to:

then, the extended performance evaluation module 15 is specifically configured to:

Preferably, the first determining unit specifically includes:

a first distance detection subunit, configured to detect a first distance between the wireless terminal device and the wireless access device when the wireless terminal device is located at each of the wireless terminal device location points;

a third received signal strength indication calculating subunit, configured to calculate and obtain the third received signal strength indication according to the first distance and a preset first fitting function;

a third performance value calculating subunit, configured to calculate and obtain the third performance value according to the third received signal strength indication and a preset first calculation formula; wherein the first calculation formula is constructed according to the first corresponding relationship.

Preferably, the first fitting function is:

RSSI₃＝A₁+B₁×(log D₁+log M₁)；

then, the first calculation formula is:

Preferably, the second determining unit specifically includes:

a second distance detecting subunit, configured to detect a second distance between the wireless terminal device and the wireless bridging device when the wireless terminal device is located at each of the wireless terminal device location points;

a fourth received signal strength indication calculating subunit, configured to calculate to obtain the fourth received signal strength indication according to the second distance and a preset second fitting function;

a fourth performance value calculating subunit, configured to calculate to obtain the fourth performance value according to the fourth received signal strength indication and a preset second calculation formula; and the second calculation formula is constructed according to the second corresponding relation.

Preferably, the second fitting function is:

RSSI₄＝A₂+B₂×(log D₂+log M₂)；

then, the second calculation formula is:

Preferably, the apparatus further includes a fifth corresponding relationship obtaining module, where the fifth corresponding relationship obtaining module is specifically configured to:

then, the first corresponding relationship obtaining module 11 is specifically configured to:

The evaluation device for the expansibility of the wireless network provided by the invention can traverse each distance indication information between the wireless bridging equipment and the wireless access equipment through the plane simulation space, traverse each position point of the wireless terminal equipment through the plane simulation space, obtain the expansion area of the wireless bridging network under each distance indication information through the first corresponding relation and the second corresponding relation, and further evaluate the expansion performance of the wireless bridging network under each distance indication information. Because all distances between the wireless bridging device and the wireless access device in the global range can be traversed in the plane simulation space, each wireless terminal device position point can be traversed, and the expansion area is obtained by combining the first corresponding relation and the second corresponding relation, the method and the device can obtain the expansion performance of the wireless bridging network corresponding to all distances between the wireless bridging device and the wireless access device in the global range without being limited by actual test times, and are beneficial to accurately judging whether the distances between the wireless bridging device and the wireless access device are reasonable or not.

It should be noted that, the evaluation apparatus for evaluating the scalability of a wireless network according to the embodiment of the present invention is used to execute the steps of the evaluation method for evaluating the scalability of a wireless network according to any of the above embodiments, and the working principles and beneficial effects of the two are in one-to-one correspondence, so that details are not repeated.

It will be understood by those skilled in the art that the schematic diagram of the evaluation apparatus of the extended performance of the wireless network is only an example of the evaluation apparatus of the extended performance of the wireless network, and does not constitute a limitation to the evaluation apparatus of the extended performance of the wireless network, and may include more or less components than those shown in the figure, or combine some components, or different components, for example, the evaluation apparatus of the extended performance of the wireless network may further include an input and output device, a network access device, a bus, etc.

EXAMPLE III

Fig. 14 shows a schematic structural diagram of a wireless device according to a preferred embodiment of the present invention, where fig. 14 is a schematic structural diagram of a wireless device according to a third embodiment of the present invention; the wireless device comprises a processor 10, a memory 20 and a computer program stored in the memory 20 and configured to be executed by the processor 10, the processor implementing the method for evaluating the extended performance of the wireless network as provided in any of the above embodiments when executing the computer program.

Specifically, the processor and the memory in the wireless device may be one or more, and the wireless device may be any device that can be used to extend the coverage of the network, such as a router, an RE device, or a wireless AP.

The wireless device of the present embodiment includes: a processor, a memory, and a computer program (e.g., computer program 1, computer program 2, … … in fig. 14) stored in the memory and executable on the processor. When the processor executes the computer program, the processor implements the steps in the method for evaluating the extended performance of the wireless network provided in any one of the above embodiments, for example, step S4 shown in fig. 3, and calculates an extended area formed by the set of location points corresponding to each piece of distance indication information; alternatively, the processor, when executing the computer program, implements the functions of the modules in the above device embodiments, for example, implements an extended area calculating module 14, configured to calculate an extended area formed by the position point set corresponding to each piece of distance indicating information.

Illustratively, the computer program may be partitioned into one or more modules/units that 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 first corresponding relationship obtaining module 11, a second corresponding relationship obtaining module 12, a position point set obtaining module 13, an extended area calculating module 14, and an extended performance evaluating module 15, where the specific functions of the modules are as follows:

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 of the method for evaluating the scalability of the wireless network according to any of the above embodiments may also be implemented by instructing related hardware through a computer program, where the computer program may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method for evaluating the scalability of the wireless network according to 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.

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

1. A method for evaluating scalability of a wireless bridged network, the method comprising:

2. The method for evaluating the scalability of a wireless bridged network according to claim 1, wherein the method obtains the location point set corresponding to any one of the distance indication information by:

and acquiring the position point set according to all the set points.

3. The method of claim 2, wherein N performance difference levels are preset, and the location point set is formed by N location point subsets, and N location point subsets are in one-to-one correspondence with N performance difference levels; n is greater than 1;

4. The method for evaluating the scalability of a wireless bridged network according to claim 3, wherein the calculating the extended area formed by the set of location points corresponding to each of the distance indication information specifically includes:

5. The method for evaluating extended performance of a wireless bridged network as recited in claim 2, wherein said obtaining a third received signal strength indication of said wireless terminal device relative to said wireless access device is performed when said wireless terminal device is located at each of said wireless terminal device location points; and determining, according to the first correspondence and the third received signal strength indication, a third performance value obtained by the radio access device when the radio terminal device is located at each of the radio terminal device location points, specifically including:

6. The method of claim 5, wherein the first fitting function is:

RSSI₃＝A₁+B₁×(logD₁+logM₁)；

then, the first calculation formula is:

7. The method for evaluating the scalability of a wireless bridge network of claim 2, wherein said obtaining a fourth received signal strength indication of said wireless end device relative to said wireless bridge device is performed when said wireless end device is located at each of said wireless end device location points; and determining, according to the second correspondence corresponding to the distance indication information and the fourth received signal strength indication, a fourth performance value obtained by the wireless bridging device when the wireless terminal device is located at each of the wireless terminal device location points, specifically including:

8. The method of evaluating the scalability of a wireless bridged network of claim 7, wherein said second fitting function is:

RSSI₄＝A₂+B₂×(logD₂+logM₂)；

then, the second calculation formula is:

9. The method for evaluating the scalability of a wireless bridged network according to any one of claims 1 to 8, wherein the method further comprises:

10. The method of claim 1, wherein the distance indication information is a received signal strength indication, and the first, second, third and fourth performance values are throughput.

11. An apparatus for evaluating the scalability of a wireless bridged network, the apparatus comprising:

12. 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 when executing the computer program implementing a method of assessing the extended performance of a wireless network as claimed in any one of claims 1 to 10.