CN105792246A - Channel information obtaining method and device - Google Patents

Channel information obtaining method and device Download PDF

Info

Publication number
CN105792246A
CN105792246A CN201410817766.9A CN201410817766A CN105792246A CN 105792246 A CN105792246 A CN 105792246A CN 201410817766 A CN201410817766 A CN 201410817766A CN 105792246 A CN105792246 A CN 105792246A
Authority
CN
China
Prior art keywords
channel
wlan device
parameter
neighbours
described
Prior art date
Application number
CN201410817766.9A
Other languages
Chinese (zh)
Inventor
薄大户
邵名波
李燕
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to CN201410817766.9A priority Critical patent/CN105792246A/en
Publication of CN105792246A publication Critical patent/CN105792246A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/318Received signal strength
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]

Abstract

The invention discloses a channel information obtaining method. The channel information obtaining method comprises following steps of sending air interface messages to adjacent WLAN (Wireless Local Area Networks) devices; obtaining wireless management messages which are sent by the adjacent WLAN devices and are packaged according to the received air interface messages; analyzing the wireless management messages, thus obtaining channel information; and obtaining wireless interference conditions of a present network according to the channel information. The invention also discloses a channel information obtaining method, a local WLAN device, an adjacent WLAN device and a network system. According to the methods, the devices and system, the channel information is obtained through obtaining the wireless management messages which are sent by the adjacent WLAN devices and are packaged according to the received air interface messages, and analyzing the wireless management messages; further the wireless interference conditions of the present network is obtained; in this way, the wireless interference conditions of the present network can be obtained remotely through self-checking of the WLAN devices; and the realistic basis is provided for network planning and network optimization of the present network.

Description

The acquisition methods of channel information and equipment

Technical field

The present invention relates to communication technical field, particularly relate to the acquisition methods of a kind of channel information, this wlan device, neighbours' wlan device and network equipment.

Background technology

WLAN (WirelessLocalAreaNetworks, WLAN) is that the terminal such as PC and mobile phone can wirelessly be interconnected by one, thus realizing the network system of intercommunication and resource-sharing.In the wireless application of WLAN, main use 2.4G frequency range, i.e. ISM (IndustrialScientificMedical, industrial scientific medical) frequency range, without licensing during use ISM band, therefore significantly high in the wireless device density of this band operation, interfere very big, thus directly affecting the effect of wireless traffic.For China, 2.4G frequency range is divided into 1~13 channel, adjacent channel mid frequency be spaced apart 5MHz, in the bandwidth of about 60MHz, it is filled with movement, the network of the operator such as UNICOM and telecommunications and self-organization network and enterprise network etc., owing to the deployment time of these wireless networks is not consistent, the wlan device that early stage is installed, business is very smooth, but spend a period of time, other manufacturer is also possible to dispose the wireless device identical or adjacent with the channel of the wlan device of early stage installation in adjacent position, again after a time, the working channel of wlan device before being likely to and having manufacturer to dispose new wlan device or have adjusted, existing network is occurred, and network speed slowly and associates the phenomenons such as interruption, thus causing that Consumer's Experience sense is poor.Typically require technical staff be with professional equipment to scene for solving these faults, then detection and judge the air interference situation of existing network, so cause the waste of man power and material to a certain extent.

Foregoing is only used for assisting understanding technical scheme, does not represent and admits that foregoing is prior art.

Summary of the invention

Present invention is primarily targeted at and the acquisition methods of a kind of channel information, this wlan device, neighbours' wlan device and network system are provided, it is intended to realize remotely obtaining the air interference situation of existing network by the Autonomous test of wlan device.

For achieving the above object, the present invention provides the acquisition methods of a kind of channel information, and the acquisition methods of described channel information comprises the following steps:

Blank-interface text is sent to each neighbours' wlan device;

Obtain the radio management message according to the blank-interface text encapsulation received that each neighbours' wlan device sends;

Resolve described radio management message, obtain channel information the air interference situation according to described channel information acquisition existing network.

Preferably, described radio management message includes expansible field, the described radio management message of described parsing, obtains channel information, and the step according to the air interference situation of described channel information acquisition existing network includes:

Resolve the expansible field of described radio management message, obtain the channel accounting parameter of the wireless access points AP of total interference signal intensity of channel, each neighbours' wlan device and the throughput parameter information of each neighbours' wlan device;

According to the total interference signal intensity obtained, the channel accounting parameter of AP and throughput parameter information, analyze the air interference situation obtaining existing network.

Additionally, for achieving the above object, the present invention also provides for the acquisition methods of a kind of channel information, and the acquisition methods of described channel information comprises the following steps:

Receive this wlan device and the blank-interface text of other neighbours' wlan devices transmission;

According to the blank-interface text received, obtain channel total signal strength parameter;

Read the up-downgoing channel parameter of self;

Described channel total signal strength parameter and up-downgoing channel parameter are packaged into radio management message;

Described radio management message is sent to described wlan device, obtains channel information for described wlan device.

Preferably, described according to the blank-interface text received, the step obtaining channel total signal strength parameter includes:

The interference signal intensity parameter of this wlan device and other neighbours' wlan devices is obtained according to the blank-interface text received;

It is combined the interference signal intensity parameter of acquisition calculating, obtains channel total signal strength parameter.

Preferably, described up-downgoing channel parameter includes: up-downgoing channel accounting parameter and up-downgoing throughput parameter.

Preferably, described radio management message includes expansible field.

Additionally, for achieving the above object, the present invention also provides for this wlan device a kind of, and described wlan device includes:

First sending module, for sending blank-interface text to each neighbours' wlan device;

First acquisition module, for obtaining the radio management message according to the blank-interface text encapsulation received that each neighbours' wlan device sends;

Dissection process module, is used for resolving described radio management message, obtains channel information the air interference situation according to described channel information acquisition existing network.

Preferably, described radio management message includes expansible field, and described dissection process module includes:

Resolution unit, for resolving the expansible field of described radio management message, obtains the channel accounting parameter of the wireless access points AP of total interference signal intensity of channel, each neighbours' wlan device and the throughput parameter information of each neighbours' wlan device;

Analytic unit, for according to the total interference signal intensity obtained, the channel accounting parameter of AP and throughput parameter information, analyzing the air interference situation obtaining existing network.

Additionally, for achieving the above object, the present invention also provides for a kind of neighbours' wlan device, and described neighbours' wlan device includes:

Receiver module, for receiving this wlan device and the blank-interface text of other neighbours' wlan devices transmission;

Second acquisition module, for according to the blank-interface text received, obtaining channel total signal strength parameter;

Read module, for reading the up-downgoing channel parameter of self;

Encapsulation process module, for being packaged into radio management message by described channel total signal strength parameter and up-downgoing channel parameter;

Second sending module, for described radio management message is sent to this wlan device, obtains channel information for this wlan device.

Preferably, described read module includes:

Acquiring unit, for obtaining the interference signal intensity parameter of this wlan device and other neighbours' wlan devices according to the blank-interface text received;

Computing unit, for being combined calculating by the interference signal intensity parameter of acquisition, obtains channel total signal strength parameter.

Preferably, described up-downgoing channel parameter includes: up-downgoing channel accounting parameter and up-downgoing throughput parameter.

Preferably, described radio management message includes expansible field.

Additionally, for achieving the above object, the present invention also provides for a kind of network system, and described network system includes this wlan device as above and neighbours' wlan device as above.

The present invention, by obtaining the radio management message according to the blank-interface text encapsulation received that each neighbours' wlan device sends, resolves described radio management message and obtains channel information the air interference situation according to described channel information acquisition existing network.As such, it is possible to realize remotely obtaining the air interference situation of existing network by the Autonomous test of wlan device, thus provide realistic basis for next step existing network network planning network optimization.

Accompanying drawing explanation

Fig. 1 is the schematic flow sheet of acquisition methods one embodiment of channel information of the present invention;

Fig. 2 is the refinement schematic flow sheet of step S103 in Fig. 1;

The working channel environmental disturbances example of parameters figure of Fig. 3 present invention;

Fig. 4 is the working channel neighbours wlan device Examples of information figure of the present invention;

Fig. 5 is the expansible field packet capturing exemplary plot of radio management message;

Fig. 6 is the schematic flow sheet of acquisition methods one embodiment of another channel information of the present invention;

Fig. 7 is the refinement schematic flow sheet of step S202 in Fig. 5;

Fig. 8 is the high-level schematic functional block diagram of this wlan device of the present invention one embodiment;

The refinement high-level schematic functional block diagram of dissection process module in Fig. 9 Fig. 8;

Figure 10 is the high-level schematic functional block diagram of neighbours' wlan device one embodiment of the present invention;

Figure 11 is the refinement high-level schematic functional block diagram of the second acquisition module in Figure 10;

Figure 12 is the high-level schematic functional block diagram of inventive network system one embodiment.

The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.

Detailed description of the invention

Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.

The present invention provides the acquisition methods of a kind of channel information, and with reference to Fig. 1, in one embodiment, the acquisition methods of described channel information comprises the following steps:

Step S101, sends blank-interface text to each neighbours' wlan device;

In this preferred embodiment, this wlan device sends blank-interface text to each neighbours' wlan device, and the AP (WirelessAccessPoint, wireless access points) of each neighbours' wlan device passively receives described blank-interface text.It is understood that in other embodiments, the AP of described each neighbours' wlan device can also blank-interface text described in active obtaining.

Step S102, obtains the radio management message according to the blank-interface text encapsulation received that each neighbours' wlan device sends;

In this preferred embodiment, the blank-interface text of reception, after receiving blank-interface text, is packaged into the radio management message including channel information by each neighbours' wlan device.

In the present embodiment, the radio management message of encapsulation, not only include the interference signal intensity parameter of this wlan device and other neighbours' wlan devices, the parameters such as the AP signal intensity also including neighbours' wlan device self, the parameters such as interference signal intensity parameter and the AP signal intensity of self are combined calculating by neighbours' wlan device, thus obtaining channel total signal strength parameter.Described channel total signal strength parameter is encapsulated in the expansible field of radio management message by neighbours' wlan device again, and broadcast transmission is gone out.Other is also all encapsulated in the expansible field of radio management message such as parameters such as handling capacity and channel accountings.In this preferred embodiment, expansible field can be appie, in other embodiments, it is also possible to arrange other expansible field.

Step S103, resolves described radio management message, obtains channel information the air interference situation according to described channel information acquisition existing network.

In this preferred embodiment, this wlan device is all collected the AP relevant information of each neighbours' wlan device of surrounding to carry out concentrating and is analyzed, and obtains the channel information of each neighbours' wlan device.Must be out of order the surrounding disturbance regime of AP of this wlan device finally according to channel information, thus the network planning network optimization for next step existing network provides realistic basis.

In one embodiment, as in figure 2 it is shown, on the basis of the embodiment of above-mentioned Fig. 1, in the present embodiment, described radio management message includes expansible field, and described step S103 includes:

Step S1031, resolves the expansible field of described radio management message, obtains the channel accounting parameter of the wireless access points AP of total interference signal intensity of channel, each neighbours' wlan device and the throughput parameter information of each neighbours' wlan device;

Step S1032, according to the total interference signal intensity obtained, the channel accounting parameter of AP and throughput parameter information, analyzes the air interference situation obtaining existing network.

In this preferred embodiment, Fig. 3 is the working channel environmental disturbances example of parameters figure of the present invention:

For interference signal intensity RSSI (unit: dbm), according to signal intensity in various degree on environmental disturbances to affect intensity different, divided 0~-45 ,-46~-65 ,-66~-75 and-76~-85 level Four interval.

Ave (dbm) adds up present channel average interference signal intensity, total (dbm) adds up total interference signal intensity, txtotal (mbps) adds up descending total throughout, and rxtotal (mbps) adds up up total throughout;APnum adds up the total AP quantity of present channel and each signal spacing AP quantity;APperc adds up present channel each signal spacing AP quantity accounting;Txthrouth adds up present channel each signal spacing downlink throughput capacity;Rxthrouth adds up present channel each signal spacing uplink throughput;Txchratio adds up present channel each signal spacing down channel accounting;Rxchratio adds up present channel each signal spacing up channel accounting.

In this preferred embodiment, Fig. 4 is the working channel neighbours wlan device Examples of information figure of the present invention:

The figure illustrates the information such as the signal intensity of AP of all neighbours' wlan devices of current operating channel, channel accounting and handling capacity.

APMAC shows the mac address of all AP of present channel;Rssi shows the signal intensity of each AP;Tx (mbps) shows the downlink throughput capacity of each AP;Rx (mbps) shows the uplink throughput of each AP;Txchratio shows the down channel accounting of each AP;Rxchratio shows the up channel accounting of each AP.

In this preferred embodiment, described expansible field can be appie, in other embodiments, it is also possible to arrange other expansible field.The expansible field packet capturing of described radio management message is as shown in Figure 5:

First character section, only one of which byte: ElementID=220;Second field, only one of which byte: Length represents that content-length is 22;3rd field, has 22 bytes, and six, the foremost of Value byte is magic square word, and six bytes are the MAC Address of network interface card thereafter, then latter two byte 0x0001 and subtype, are used for extending.Subtype and subsequent field are used for storing use little-endian form, and namely high position low level on the right is on the left side.Two the most front bytes are downlink traffics, and its latter two byte is uplink traffic, then latter two byte is down channel accounting, and latter two byte is up channel accounting.

Illustrate:

Value=0x5A54454150214CAC0A34E0A201006F009B00AC000D01

Wherein, 0x5A5445415021 is magic square word, and 0x4CAC0A34E0A2 is MAC Address of Network Card, Subtype and 0x0100 and field after are little-endian.

Descending performance=0x006F is converted into 10 systems :=111 (unit is 0.1Mbps)=11.1Mbps;

Ascending performance=0x009B is converted into 10 systems :=155 (unit is 0.1Mbps)=15.5Mbps;

Down channel accounting=0x00AC is converted into 10 systems :=172 (unit is 0.1, permillage)=17.2%;

Up channel accounting=0x010D is converted into 10 systems :=269 (unit is 0.1, permillage)=26.9%.

Should be understood that, this wlan device is possible not only to receive the radio management message that neighbours' wlan device sends, and then to this radio management packet parsing thus obtaining the channel information being correlated with, the parameter such as AP signal intensity of self and the interference signal intensity parameter of neighbours' wlan device can also be obtained simultaneously, and carry out combination calculation and obtain channel total signal strength parameter, the up-downgoing channel accounting parameter and up-downgoing throughput parameter that obtain this wlan device self of channel total signal strength parameter and reading are packaged obtaining the radio management message of expansible field again, the radio management message containing channel information the most at last is sent to neighbours' wlan device, for neighbours' wlan device, this radio management message is resolved and analyzes.

The present invention also provides for the acquisition methods of a kind of channel information, and with reference to Fig. 6, in one embodiment, the acquisition methods of described channel information comprises the following steps:

Step S201, receives this wlan device and the blank-interface text of other neighbours' wlan devices transmission;

In this preferred embodiment, neighbours' wlan device receives this wlan device and the blank-interface text of other neighbours' wlan devices transmission.It is understood that be no matter this wlan device or each neighbours' wlan device is provided with other wlan devices peripherad and sends the function of blank-interface text, to inform the parameters such as the active channel signals intensity of oneself to the other side.So, being beneficial to an arbitrary wlan device when breaking down, the message reception that only need to open this wlan device broken down processes function, can the disturbance regime of timely analytical work channel, thus contributing to the air interference situation of accurate analysis existing network.

Step S202, according to the blank-interface text received, obtains channel total signal strength parameter;

In this preferred embodiment, not only obtain the interference signal intensity parameter of this wlan device and other neighbours' wlan devices, also obtain the parameter such as AP signal intensity of neighbours' wlan device self, the parameters such as interference signal intensity parameter and the AP signal intensity of self are combined calculating by neighbours' wlan device, thus obtaining channel total signal strength parameter.

Step S203, reads the up-downgoing channel parameter of self;

In the present embodiment, neighbours' wlan device reads the up-downgoing channel parameter of self, and described up-downgoing channel parameter includes: up-downgoing channel accounting parameter and up-downgoing throughput parameter.Specifically can refer to Fig. 2.

Step S204, is packaged into radio management message by described channel total signal strength parameter and up-downgoing channel parameter;

In this preferred embodiment, channel total signal strength parameter and up-downgoing channel parameter are packaged into the radio management message of expansible field by neighbours' wlan device.Specifically can refer to Fig. 2, Fig. 3 and Fig. 4.

Step S205, is sent to this wlan device by described radio management message, obtains channel information for this wlan device.

The present invention carries out drive sweep by neighbours' wlan device at current operating channel, collect this wlan device and the signal strength parameter of other each neighbours' wlan devices, the RSSI of present channel is combined computing, draw the interference signal overall strength of present channel, interference signal overall strength parameter being encapsulated in radio management message appie extended field, broadcast transmission is gone out again.Other is also all encapsulated in the expansible field of radio management message such as parameters such as handling capacity and channel accountings.Again at other any one wlan device, this wlan device of the present embodiment is opened message and receives particular procedure function, the AP relevant information of neighbours' wlan device of surrounding is all collected over carry out concentrating and analyze, finally must be out of order the surrounding disturbance regime of AP, thus providing realistic basis for next step existing network network planning network optimization.

In one embodiment, as it is shown in fig. 7, on the basis of the embodiment of above-mentioned Fig. 6, in the present embodiment, described step S202 includes:

Step S2021, obtains the interference signal intensity parameter of this wlan device and other neighbours' wlan devices according to the blank-interface text received;

In the present embodiment, neighbours' wlan device obtains the interference signal intensity parameter of this wlan device and other neighbours' wlan devices from the blank-interface text received, in order to obtain channel total signal strength parameter.

Step S2022, is combined the interference signal intensity parameter of acquisition calculating, obtains channel total signal strength parameter.

In the present embodiment, the RSSI of present channel is combined computing by neighbours' wlan device, draw the interference signal overall strength of present channel, again interference signal overall strength parameter is encapsulated in radio management message appie extended field, broadcast transmission is gone out, make this wlan device can obtain this radio management message, and must be out of order the surrounding disturbance regime of AP of wlan device by resolving described radio management message, thus the network planning network optimization for next step existing network provides realistic basis.

In one embodiment, described up-downgoing channel parameter includes: up-downgoing channel accounting parameter and up-downgoing throughput parameter.

In one embodiment, described radio management message includes expansible field.

Specifically include the expansible field of appie, in other embodiments, it is also possible to other expansible field is set.The expansible field packet capturing of described radio management message specifically can be as shown in Figure 5.

The present invention also provides for a kind of this wlan device 1, and with reference to Fig. 8, in one embodiment, described wlan device 1 includes:

First sending module 101, for sending blank-interface text to each neighbours' wlan device 2;

In this preferred embodiment, this wlan device 1 sends blank-interface text to each neighbours' wlan device 2, and the AP (WirelessAccessPoint, wireless access points) of each neighbours' wlan device 2 passively receives described blank-interface text.It is understood that in other embodiments, the AP of described each neighbours' wlan device 2 can also blank-interface text described in active obtaining.

First acquisition module 102, for obtaining the radio management message according to the blank-interface text encapsulation received that each neighbours' wlan device 2 sends;

In this preferred embodiment, the blank-interface text of reception, after receiving blank-interface text, is packaged into the radio management message including channel information by each neighbours' wlan device 2.

In the present embodiment, the radio management message of encapsulation, not only include the interference signal intensity parameter of this wlan device 1 and other neighbours' wlan devices, the parameters such as the AP signal intensity also including neighbours' wlan device 2 self, the parameters such as interference signal intensity parameter and the AP signal intensity of self are combined calculating by neighbours' wlan device 2, thus obtaining channel total signal strength parameter.Described channel total signal strength parameter is encapsulated in the expansible field of radio management message by neighbours' wlan device 2 again, and broadcast transmission is gone out.Other is also all encapsulated in the expansible field of radio management message such as parameters such as handling capacity and channel accountings.In this preferred embodiment, expansible field can be appie, in other embodiments, it is also possible to arrange other expansible field.

Dissection process module 103, is used for resolving described radio management message, obtains channel information the air interference situation according to described channel information acquisition existing network.

In this preferred embodiment, the AP relevant information of each neighbours' wlan device 2 of 1 surrounding of this wlan device is all collected to carry out concentrating and is analyzed, and obtains the channel information of each neighbours' wlan device 2.Must be out of order the surrounding disturbance regime of AP of this wlan device 1 finally according to channel information, thus the network planning network optimization for next step existing network provides realistic basis.

In one embodiment, as it is shown in figure 9, on the basis of the embodiment of above-mentioned Fig. 8, in the present embodiment, described radio management message includes expansible field, and described dissection process module 103 includes:

Resolution unit 1031, for resolving the expansible field of described radio management message, obtains the channel accounting parameter of the wireless access points AP of total interference signal intensity of channel, each neighbours' wlan device 2 and the throughput parameter information of each neighbours' wlan device 2;

Analytic unit 1032, for according to the total interference signal intensity obtained, the channel accounting parameter of AP and throughput parameter information, analyzing the air interference situation obtaining existing network.

In this preferred embodiment, Fig. 3 is the working channel environmental disturbances example of parameters figure of the present invention:

For interference signal intensity RSSI (unit: dbm), according to signal intensity in various degree on environmental disturbances to affect intensity different, divided 0~-45 ,-46~-65 ,-66~-75 and-76~-85 level Four interval.

Ave (dbm) adds up present channel average interference signal intensity, total (dbm) adds up total interference signal intensity, txtotal (mbps) adds up descending total throughout, and rxtotal (mbps) adds up up total throughout;APnum adds up the total AP quantity of present channel and each signal spacing AP quantity;APperc adds up present channel each signal spacing AP quantity accounting;Txthrouth adds up present channel each signal spacing downlink throughput capacity;Rxthrouth adds up present channel each signal spacing uplink throughput;Txchratio adds up present channel each signal spacing down channel accounting;Rxchratio adds up present channel each signal spacing up channel accounting.

In this preferred embodiment, Fig. 4 is the working channel neighboring device information exemplary plot of the present invention:

The figure illustrates the information such as the signal intensity of AP of all neighbours' wlan devices 2 of current operating channel, channel accounting and handling capacity.

APMAC shows the mac address of all AP of present channel;Rssi shows the signal intensity of each AP;Tx (mbps) shows the downlink throughput capacity of each AP;Rx (mbps) shows the uplink throughput of each AP;Txchratio shows the down channel accounting of each AP;Rxchratio shows the up channel accounting of each AP.

In this preferred embodiment, described expansible field can be appie, in other embodiments, it is also possible to arrange other expansible field.The expansible field packet capturing of described radio management message is as shown in Figure 5:

First character section, only one of which byte: ElementID=220;Second field, only one of which byte: Length represents that content-length is 22;3rd field, has 22 bytes, and six, the foremost of Value byte is magic square word, and six bytes are the MAC Address of network interface card thereafter, then latter two byte 0x0001 and subtype, are used for extending.Subtype and subsequent field are used for storing use little-endian form, and namely high position low level on the right is on the left side.Two the most front bytes are downlink traffics, and its latter two byte is uplink traffic, then latter two byte is down channel accounting, and latter two byte is up channel accounting.

Illustrate:

Value=0x5A54454150214CAC0A34E0A201006F009B00AC000D01

Wherein, 0x5A5445415021 is magic square word, and 0x4CAC0A34E0A2 is MAC Address of Network Card, Subtype and 0x0100 and field after are little-endian.

Descending performance=0x006F is converted into 10 systems :=111 (unit is 0.1Mbps)=11.1Mbps;

Ascending performance=0x009B is converted into 10 systems :=155 (unit is 0.1Mbps)=15.5Mbps;

Down channel accounting=0x00AC is converted into 10 systems :=172 (unit is 0.1, permillage)=17.2%;

Up channel accounting=0x010D is converted into 10 systems :=269 (unit is 0.1, permillage)=26.9%.

Should be understood that, this wlan device is possible not only to receive the radio management message that neighbours' wlan device sends, and then to this radio management packet parsing thus obtaining the channel information being correlated with, the parameter such as AP signal intensity of self and the interference signal intensity parameter of neighbours' wlan device can also be obtained simultaneously, and carry out combination calculation and obtain channel total signal strength parameter, the up-downgoing channel accounting parameter and up-downgoing throughput parameter that obtain this wlan device self of channel total signal strength parameter and reading are packaged obtaining the radio management message of expansible field again, the radio management message containing channel information the most at last is sent to neighbours' wlan device, for neighbours' wlan device, this radio management message is resolved and analyzes.

The present invention also provides for a kind of neighbours' wlan device 2, and with reference to Figure 10, in one embodiment, in a preferred embodiment, described neighbours' wlan device 2 includes:

Receiver module 201, for receiving this wlan device 1 and the blank-interface text of other neighbours' wlan devices transmission;

In this preferred embodiment, neighbours' wlan device 2 receives this wlan device 1 and the blank-interface text of other neighbours' wlan devices transmission.It is understood that be no matter this wlan device 1 or each neighbours' wlan device 2 is provided with other wlan devices peripherad and sends the function of blank-interface text, to inform the parameters such as the active channel signals intensity of oneself to the other side.So, being beneficial to an arbitrary wlan device when breaking down, the message reception that only need to open this wlan device broken down processes function, can the disturbance regime of timely analytical work channel, thus contributing to the air interference situation of accurate analysis existing network.

Second acquisition module 202, for according to the blank-interface text received, obtaining channel total signal strength parameter;

In this preferred embodiment, not only obtain the interference signal intensity parameter of this wlan device 1 and other neighbours' wlan devices, also obtain the parameter such as AP signal intensity of neighbours' wlan device 2 self, the parameters such as interference signal intensity parameter and the AP signal intensity of self are combined calculating by neighbours' wlan device 2, thus obtaining channel total signal strength parameter.

Read module 203, for reading the up-downgoing channel parameter of self;

In the present embodiment, neighbours' wlan device 2 reads the up-downgoing channel parameter of self, and described up-downgoing channel parameter includes: up-downgoing channel accounting parameter and up-downgoing throughput parameter.Specifically can refer to Fig. 2.

Encapsulation process module 204, for being packaged into radio management message by described channel total signal strength parameter and up-downgoing channel parameter;

In this preferred embodiment, channel total signal strength parameter and up-downgoing channel parameter are packaged into the radio management message of expansible field by neighbours' wlan device 2.Specifically can refer to Fig. 2, Fig. 3 and Fig. 4.

Second sending module 205, for described radio management message is sent to this wlan device 1, obtains channel information for this wlan device 1.

The present invention carries out drive sweep by neighbours' wlan device 2 at current operating channel, collect this wlan device 1 and the signal strength parameter of other each neighbours' wlan devices 2, the RSSI of present channel is combined computing, draw the interference signal overall strength of present channel, interference signal overall strength parameter being encapsulated in radio management message appie extended field, broadcast transmission is gone out again.Other is also all encapsulated in the expansible field of radio management message such as parameters such as handling capacity and channel accountings.Again at other any one wlan device, this wlan device of the present embodiment 1 is opened message and receives particular procedure function, the AP relevant information of neighbours' wlan device 2 of surrounding is all collected over carry out concentrating and analyze, finally must be out of order the surrounding disturbance regime of AP, thus providing realistic basis for next step existing network network planning network optimization.

In one embodiment, as shown in figure 11, on the basis of the embodiment of above-mentioned Figure 10, in the present embodiment, described read module 203 includes:

Acquiring unit 2031, for obtaining the interference signal intensity parameter of this wlan device 1 and other neighbours' wlan devices according to the blank-interface text received;

In the present embodiment, neighbours' wlan device 2 obtains the interference signal intensity parameter of this wlan device 1 and other neighbours' wlan devices from the blank-interface text received, in order to obtain channel total signal strength parameter.

Computing unit 2032, for being combined calculating by the interference signal intensity parameter of acquisition, obtains channel total signal strength parameter.

In the present embodiment, the RSSI of present channel is combined computing by neighbours' wlan device 2, draw the interference signal overall strength of present channel, again interference signal overall strength parameter is encapsulated in radio management message appie extended field, broadcast transmission is gone out, make this wlan device 1 can obtain this radio management message, and must be out of order the surrounding disturbance regime of AP of wlan device by resolving described radio management message, thus the network planning network optimization for next step existing network provides realistic basis.

In one embodiment, described up-downgoing channel parameter includes: up-downgoing channel accounting parameter and up-downgoing throughput parameter.

In one embodiment, described radio management message includes expansible field.

Specifically include the expansible field of appie, in other embodiments, it is also possible to other expansible field is set.The expansible field packet capturing of described radio management message specifically can be as shown in Figure 4.

The present invention also provides for a kind of network system 100, and with reference to Figure 11, in one embodiment, described network system 100 includes this wlan device 1 as above and neighbours' wlan device 2 as above.

These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.

Claims (13)

1. the acquisition methods of a channel information, it is characterised in that the acquisition methods of described channel information comprises the following steps:
Blank-interface text is sent to each neighbours' wlan device;
Obtain the radio management message according to the blank-interface text encapsulation received that each neighbours' wlan device sends;
Resolve described radio management message, obtain channel information the air interference situation according to described channel information acquisition existing network.
2. the acquisition methods of channel information as claimed in claim 1, it is characterized in that, described radio management message includes expansible field, the described radio management message of described parsing, obtain channel information, and the step according to the air interference situation of described channel information acquisition existing network include:
Resolve the expansible field of described radio management message, obtain the channel accounting parameter of the wireless access points AP of total interference signal intensity of channel, each neighbours' wlan device and the throughput parameter information of each neighbours' wlan device;
According to the total interference signal intensity obtained, the channel accounting parameter of AP and throughput parameter information, analyze the air interference situation obtaining existing network.
3. the acquisition methods of a channel information, it is characterised in that the acquisition methods of described channel information comprises the following steps:
Receive this wlan device and the blank-interface text of other neighbours' wlan devices transmission;
According to the blank-interface text received, obtain channel total signal strength parameter;
Read the up-downgoing channel parameter of self;
Described channel total signal strength parameter and up-downgoing channel parameter are packaged into radio management message;
Described radio management message is sent to this wlan device, obtains channel information for this wlan device.
4. the acquisition methods of channel information as claimed in claim 3, it is characterised in that described according to the blank-interface text received, the step obtaining channel total signal strength parameter includes:
The interference signal intensity parameter of this wlan device and other neighbours' wlan devices is obtained according to the blank-interface text received;
It is combined the interference signal intensity parameter of acquisition calculating, obtains channel total signal strength parameter.
5. the acquisition methods of channel information as claimed in claim 3, it is characterised in that described up-downgoing channel parameter includes: up-downgoing channel accounting parameter and up-downgoing throughput parameter.
6. the acquisition methods of channel information as claimed in claim 3, it is characterised in that described radio management message includes expansible field.
7. this wlan device, it is characterised in that described wlan device includes:
First sending module, for sending blank-interface text to each neighbours' wlan device;
First acquisition module, for obtaining the radio management message according to the blank-interface text encapsulation received that each neighbours' wlan device sends;
Dissection process module, is used for resolving described radio management message, obtains channel information the air interference situation according to described channel information acquisition existing network.
8. this wlan device as claimed in claim 7, it is characterised in that described radio management message includes expansible field, and described dissection process module includes:
Resolution unit, for resolving the expansible field of described radio management message, obtains the channel accounting parameter of the wireless access points AP of total interference signal intensity of channel, each neighbours' wlan device and the throughput parameter information of each neighbours' wlan device;
Analytic unit, for according to the total interference signal intensity obtained, the channel accounting parameter of AP and throughput parameter information, analyzing the air interference situation obtaining existing network.
9. neighbours' wlan device, it is characterised in that described neighbours' wlan device includes:
Receiver module, for receiving this wlan device and the blank-interface text of other neighbours' wlan devices transmission;
Second acquisition module, for according to the blank-interface text received, obtaining channel total signal strength parameter;
Read module, for reading the up-downgoing channel parameter of self;
Encapsulation process module, for being packaged into radio management message by described channel total signal strength parameter and up-downgoing channel parameter;
Second sending module, for described radio management message is sent to this wlan device, obtains channel information for this wlan device.
10. neighbours' wlan device as claimed in claim 9, it is characterised in that described read module includes:
Acquiring unit, for obtaining the interference signal intensity parameter of this wlan device and other neighbours' wlan devices according to the blank-interface text received;
Computing unit, for being combined calculating by the interference signal intensity parameter of acquisition, obtains channel total signal strength parameter.
11. neighbours' wlan device as claimed in claim 9, it is characterised in that described up-downgoing channel parameter includes: up-downgoing channel accounting parameter and up-downgoing throughput parameter.
12. neighbours' wlan device as claimed in claim 9, it is characterised in that described radio management message includes expansible field.
13. a network system, it is characterised in that described network system includes this wlan device as described in any one of claim 7 to 8 and the neighbours' wlan device as described in any one of claim 9 to 12.
CN201410817766.9A 2014-12-24 2014-12-24 Channel information obtaining method and device CN105792246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410817766.9A CN105792246A (en) 2014-12-24 2014-12-24 Channel information obtaining method and device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410817766.9A CN105792246A (en) 2014-12-24 2014-12-24 Channel information obtaining method and device
PCT/CN2015/094705 WO2016101728A1 (en) 2014-12-24 2015-11-16 Method and device for acquiring channel information

Publications (1)

Publication Number Publication Date
CN105792246A true CN105792246A (en) 2016-07-20

Family

ID=56149205

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410817766.9A CN105792246A (en) 2014-12-24 2014-12-24 Channel information obtaining method and device

Country Status (2)

Country Link
CN (1) CN105792246A (en)
WO (1) WO2016101728A1 (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050265287A1 (en) * 2004-05-29 2005-12-01 Samsung Electronics Co., Ltd. Seamless handoff method in wireless local area network
CN101835243A (en) * 2010-05-25 2010-09-15 北京星网锐捷网络技术有限公司 Wireless access point working channel selecting method and device
WO2011049295A2 (en) * 2009-10-19 2011-04-28 Lg Electronics Inc. A method and apparatus for transmiting recording information for uplink transmission in multi base station mimo system
CN102469493A (en) * 2010-11-18 2012-05-23 杭州华三通信技术有限公司 Method and device for estimating hollow states of wireless local area network
CN103281762A (en) * 2013-04-18 2013-09-04 福建三元达通讯股份有限公司 Automatic AP (access point) power regulation method and automatic AP power regulation system thereof
WO2013165202A1 (en) * 2012-05-03 2013-11-07 Lg Electronics Inc. Method and apparatus for transmitting message in wireless communication system
CN103391142A (en) * 2013-07-24 2013-11-13 福建星网锐捷网络有限公司 Method and device for determining RSSI value of channel, and access point equipment
CN103581984A (en) * 2012-07-26 2014-02-12 中国电信股份有限公司 WLAN air interface quality monitoring method and device
CN103856959A (en) * 2012-11-30 2014-06-11 华为技术有限公司 Wireless local area network quality monitoring method, device and system
US20140334396A1 (en) * 2013-05-08 2014-11-13 Electronics And Telecommunications Research Institute Interference avoidance-based communication apparatus and method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013069941A1 (en) * 2011-11-07 2013-05-16 엘지전자 주식회사 Method and apparatus for tranceiving neighbor network information in wireless communication system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050265287A1 (en) * 2004-05-29 2005-12-01 Samsung Electronics Co., Ltd. Seamless handoff method in wireless local area network
WO2011049295A2 (en) * 2009-10-19 2011-04-28 Lg Electronics Inc. A method and apparatus for transmiting recording information for uplink transmission in multi base station mimo system
CN101835243A (en) * 2010-05-25 2010-09-15 北京星网锐捷网络技术有限公司 Wireless access point working channel selecting method and device
CN102469493A (en) * 2010-11-18 2012-05-23 杭州华三通信技术有限公司 Method and device for estimating hollow states of wireless local area network
WO2013165202A1 (en) * 2012-05-03 2013-11-07 Lg Electronics Inc. Method and apparatus for transmitting message in wireless communication system
CN103581984A (en) * 2012-07-26 2014-02-12 中国电信股份有限公司 WLAN air interface quality monitoring method and device
CN103856959A (en) * 2012-11-30 2014-06-11 华为技术有限公司 Wireless local area network quality monitoring method, device and system
CN103281762A (en) * 2013-04-18 2013-09-04 福建三元达通讯股份有限公司 Automatic AP (access point) power regulation method and automatic AP power regulation system thereof
US20140334396A1 (en) * 2013-05-08 2014-11-13 Electronics And Telecommunications Research Institute Interference avoidance-based communication apparatus and method
CN103391142A (en) * 2013-07-24 2013-11-13 福建星网锐捷网络有限公司 Method and device for determining RSSI value of channel, and access point equipment

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
D.J.LEITH: "A self-Mananged Distributed Channel Selection Algorithm for WLANs", 《IEEE XPLORE DIGITAL LIBRARY》 *
信通泽佳: "WLAN抗干扰分析", 《百度文库》 *
刑守壮: "WLAN干扰问题分析及规避方法", 《黑龙江科技信息》 *

Also Published As

Publication number Publication date
WO2016101728A1 (en) 2016-06-30

Similar Documents

Publication Publication Date Title
CN105594293B (en) Device-to-device (D2D) controls method, node and the equipment of information relaying
US9814070B2 (en) Small data communications in a wireless communication network
Augustin et al. A study of LoRa: Long range & low power networks for the internet of things
EP2772100B1 (en) Systems and methods for fast initial network link setup
CN106465149B (en) Wireless spectrum monitoring and analysis system and method
CN107683617B (en) System and method for pseudo base station detection
CN102917406B (en) Data traffic shunt method and equipment
Zhang et al. Cognitive machine-to-machine communications: Visions and potentials for the smart grid
EP2838306B1 (en) Systems and methods for fast initial network link setup
CN104137635B (en) A kind of paging optimization method, apparatus and system
KR102047566B1 (en) Mobile communications system, infrastructure equipment, base station and method
ES2670971T3 (en) Notification of WiFi channel measurements to a cellular radio network
Haxhibeqiri et al. LoRa indoor coverage and performance in an industrial environment: Case study
US8929306B2 (en) NAS-based signaling protocol for overload protection of random access in massive machine type communication
EP2772098B1 (en) Systems and methods for fast initial network link setup
EP2772099B1 (en) Systems and methods for fast initial network link setup
KR101829484B1 (en) Relay device, relay method, wireless communication system, base station and wireless communication device
PH12014502298B1 (en) Beacon management for network assisted device-to-device (d2d) communication
Nikaein et al. Simple traffic modeling framework for machine type communication
CN110691040A (en) Machine type communication aggregator apparatus and method
WO2012096549A3 (en) Method for communication based on identifying information assignment and apparatus for the same
Lara et al. On real-time performance evaluation of volcano-monitoring systems with wireless sensor networks
CN103442351B (en) A kind of method protecting wireless network
CN105050190A (en) Method, device and base station for configuring discovery reference signal (DRS) based on unauthorized frequency band
US9456408B2 (en) System and method for basic service set association

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20160720