CN110234173A - The method for realizing high-speed traffic using wifi probe request and response bag - Google Patents

The method for realizing high-speed traffic using wifi probe request and response bag Download PDF

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Publication number
CN110234173A
CN110234173A CN201910570749.2A CN201910570749A CN110234173A CN 110234173 A CN110234173 A CN 110234173A CN 201910570749 A CN201910570749 A CN 201910570749A CN 110234173 A CN110234173 A CN 110234173A
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packet
response
probe request
request
master
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CN110234173B (en
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姚博
刘宗孺
李志为
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Hangzhou Bolian Intelligent Technology Co Ltd
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Hangzhou Bolian Intelligent Technology Co Ltd
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    • 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]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The present invention relates to a kind of methods for realizing high-speed traffic using wifi probe request and response bag, solve the deficiencies in the prior art, technical solution are as follows: based on probe request and probe the response message in 802.11 agreement of wifi;Wherein, probe request and probe response message include data packet header information and the information for carrying data content, and the data packet header information includes packet mask;The end Client sends according to packet receiving packet mask and requests, backstage then receives the response message of Master, and packet receiving packet mask is updated, communication is sent after all packets are collected and completes the end request to Master, and the feedback communication of the end Master is waited to complete response.

Description

The method for realizing high-speed traffic using wifi probe request and response bag
Divisional application statement
The application be submit on May 4th, 2016 it is entitled " using wifi probe request and response bag realize The method of high-speed traffic ", application No. is the divisional applications of 201610296512.6 Chinese invention patent.
Technical field
It is the present invention relates to a kind of method of high-speed traffic, in particular to a kind of to utilize wifi probe request and response bag The method for realizing high-speed traffic.
Background technique
The communication between wifi data packet is realized at present, and wifi equipment is necessarily connected to the router of wifi first, so Data communication and interaction are carried out by TCP/IP afterwards.The connection of wifi router is completed, the end wifi client must lead to first Monitoring wifi beacon data packet is crossed, or by active transmission wifi probe request packet, waits the response of AP, finds The information of wifi router;Then by encryption certification and negotiation, the connection of wifi is completed.The communication of ICP/IP protocol, passes through The application of DHCP dynamic IP obtains IP address, is then based on the data communication that IP address carries out TCP/UDP.This technology, although Can ensure the stabilization and safety of communication by agreement, but need to establish prolonged connection procedure, generally require 5s with On time.In certain occasions for quickly frequently connecting and communicating, it is frequently run onto the bottleneck of connection, and frequently encounter the road wifi It is in the state of connection, disconnection for a long time by device, and the case where connection failure.
Summary of the invention
Although can ensure the stabilization and safety of communication by agreement it is an object of the invention to solve the above-mentioned prior art Property, but need to establish prolonged connection procedure, generally require the time of 5s or more.In certain quickly frequently connection and communications Occasion, be frequently run onto the bottleneck of connection, and frequently encounter the state that wifi router is in connection, disconnection for a long time, and The case where connection failure problem, provide it is a kind of using wifi probe request and response bag realize high-speed traffic method.
The technical solution adopted by the present invention to solve the technical problems is: a kind of to request and respond using wifi probe The method that packet realizes high-speed traffic, comprising the following steps:
Probe request and probe the response message being primarily based in 802.11 agreement of wifi, will send One end of probe request message is defined as the end Client, and the one end for sending probe response message is defined as The end Master,
Then, parameter definition is carried out to Probe request message and Probe response message,
Wherein, IE1 needs to have following parameter: Packet type, packet number, packet index, IE2 number and packet mask;IE2 needs Has following parameter: data block offset, data block length and data block contents;
IE1 Packet type include it is defined below, 0: inquiry request packet, 1: inquiry response packet, 2: complete request packet, 3: complete ring It should wrap;
Packet number is the total packet number completing data transmission and needing;
Packet mask mask, each represents a packet, and definition has been collected if it is the 1 expression end Client, conversely, if need The end Master is wanted to send;
The data block offset of IE2 is offset relative to file start-position, the end Client according to this deviant again It is combined into the file of actual transmissions;
The data block length of IE2 is the actually active length of data block contents;
The end Client is sent according to packet receiving MASK with fixed frequency and is requested, and backstage then continuously receives the response of Master Message, and packet receiving MASK is updated, communication is sent after all packets are collected and completes the end request to Master, is waited Response is completed in the feedback communication of the end Master.
In communication process between wifi equipment, we be frequently necessary to realize wifi equipment between it is frequent connection, lead to Letter, the occasion disconnected, interaction times between equipment are very more and are ordered into, be unfavorable for data batch, quickly, it is steady Fixed, unordered transmission.In order to solve this drawback, the method based on 802.11probe management frame high-speed traffic, specific side are proposed Case is as follows: based on probe request and probe the response message in 802.11 agreement of wifi, passing through extension two Special IE (information element) realizes data communication, and the one end for sending probe request message is referred to as Client, is sent One end of probe response message is then referred to as Master.IE1 and IE2 is exactly two available information elements that we expand, IE1 is data packet header information, and IE2 is used to carry data content:
■ IE1 needs to have following parameter:, Packet type: 0: inquiry request packet, 1: inquiry response packet, 2: completion request packet, 3: completing response bag, packet number: total completes total packet number that data transmission needs, because the data that IE2 is carried are limited, We need to carry out the file of transmission subpackage processing in advance, packet index: 0-total-1, IE2 number, packet mask: mask, often One represents a packet, if it is 1 expression Client collected, conversely, if need Master to send.
■ IE2 needs to have following parameter:
Data block offset: offset, relative to the offset of file start-position, Client can be according to this deviant weight Combination nova goes out the file of actual transmissions, data block length: referring to the actually active length of data block contents, data block contents. The end Master and the end Client working mechanism, Master send the MASK of request according to Client, send data packet, for example complete Data transmission need 10 packet, current Client collected the 0th, 1,3,5,7,9 this 6 packet, then Master only need by 2nd, 4,6,8 this remaining 4 packet sequences issue.Because the request that Client is sent is probe request message, together All Master under one channel can be received by the request and make a response, and communication can thus be rapidly completed, entire logical Letter process can accomplish unordered, and without doing specially treated to packet loss, the retransmission mechanism compared to ICP/IP protocol complexity is wanted It is simple and efficient very much.The end Client is sent request according to packet receiving MASK and is lacked which which packet just requests with fixed frequency such as 1s Packet, backstage is then constantly receiving the response message of Master, and updates packet receiving MASK, sends out after all packets are collected It send communication to complete request to Master, Master feedback communication is waited to complete response.Because what Master was sent Response is unidirectional i.e. specified destination address, so multiple Client can be existed simultaneously inside same channel, these Client, which does not need to establish connection with Master, can realize bulk transfer.The present invention has convenience, passes through this of invention Kind method realizes that equipment room data communication is surfed the Internet without connecting later.Interactivity, without establishing between Master and Clients It is connected with holding, the efficient communication in a manner of unordered, bulk transfer.It is economical, without arranging the complicated network equipment as exchanged Machine, router, as long as equipment has and sends and receives wifi MAC layer message and realize communication.
It is requested preferably, the end Client is sent with the fixed frequency of 1s according to packet receiving MASK.
Preferably, it is unidirectional, same letter that the response that the end Master is sent, which is unidirectional i.e. specified destination address, Several ends Client are existed simultaneously inside road, all ends Client are directly and realization bulk transfer is built at the end Master.
Substantial effect of the invention is: there is the present invention convenience to realize equipment later by this method of invention Between data communication without connect online.Interactivity, between Master and Clients without establish and keep connection, with it is unordered, batch Measure the mode efficient communication of transmission.It is economical, without arranging the complicated network equipment such as interchanger, router, as long as equipment has Communication can be realized for wifiMAC layers of message are sent and received.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention will be further explained in detail.
Embodiment 1:
A method of high-speed traffic is realized using wifi probe request and response bag, comprising the following steps: first Based on probe request and probe the response message in 802.11 agreement of wifi, probe request will be sent One end of message is defined as the end Client, and the one end for sending probe response message is defined as the end Master,
Then, parameter definition is carried out to Probe request message and Probe response message,
Wherein, IE1 needs to have following parameter: Packet type, packet number, packet index, IE2 number and packet mask;IE2 needs Has following parameter: data block offset, data block length and data block contents;
IE1 Packet type include it is defined below, 0: inquiry request packet, 1: inquiry response packet, 2: complete request packet, 3: complete ring It should wrap;
Packet number is the total packet number completing data transmission and needing;
Packet mask mask, each represents a packet, and definition has been collected if it is the 1 expression end Client, conversely, if need The end Master is wanted to send;
The data block offset of IE2 is offset relative to file start-position, the end Client according to this deviant again It is combined into the file of actual transmissions;
The data block length of IE2 is the actually active length of data block contents;
The end Client is sent according to packet receiving MASK with fixed frequency and is requested, and backstage then continuously receives the response of Master Message, and packet receiving MASK is updated, communication is sent after all packets are collected and completes the end request to Master, is waited Response is completed in the feedback communication of the end Master.
In communication process between wifi equipment, we be frequently necessary to realize wifi equipment between it is frequent connection, lead to Letter, the occasion disconnected, interaction times between equipment are very more and are ordered into, be unfavorable for data batch, quickly, it is steady Fixed, unordered transmission.In order to solve this drawback, the method based on 802.11probe management frame high-speed traffic, specific side are proposed Case is as follows: based on probe request and probe the response message in 802.11 agreement of wifi, passing through extension two Special IE (information element) realizes data communication, and the one end for sending probe request message is referred to as Client, is sent One end of probe response message is then referred to as Master.IE1 and IE2 is exactly two available information elements that we expand, IE1 is data packet header information, and IE2 is used to carry data content:
■ IE1 needs to have following parameter:, Packet type: 0: inquiry request packet, 1: inquiry response packet, 2: completion request packet, 3: completing response bag, packet number: total completes total packet number that data transmission needs, because the data that IE2 is carried are limited, We need to carry out the file of transmission subpackage processing in advance, packet index: 0-total-1, IE2 number, packet mask: mask, often One represents a packet, if it is 1 expression Client collected, conversely, if need Master to send.
■ IE2 needs to have following parameter:
Data block offset: offset, relative to the offset of file start-position, Client can be according to this deviant weight Combination nova goes out the file of actual transmissions, data block length: referring to the actually active length of data block contents, data block contents. The end Master and the end Client working mechanism, Master send the MASK of request according to Client, send data packet, for example complete Data transmission need 10 packet, current Client collected the 0th, 1,3,5,7,9 this 6 packet, then Master only need by 2nd, 4,6,8 this remaining 4 packet sequences issue.Because the request that Client is sent is probe request message, together All Master under one channel can be received by the request and make a response, and communication can thus be rapidly completed, entire logical Letter process can accomplish unordered, and without doing specially treated to packet loss, the retransmission mechanism compared to ICP/IP protocol complexity is wanted It is simple and efficient very much.The end Client is sent request according to packet receiving MASK and is lacked which which packet just requests with fixed frequency such as 1s Packet, backstage is then constantly receiving the response message of Master, and updates packet receiving MASK, sends out after all packets are collected It send communication to complete request to Master, Master feedback communication is waited to complete response.Because what Master was sent Response is unidirectional i.e. specified destination address, so multiple Client can be existed simultaneously inside same channel, these Client, which does not need to establish connection with Master, can realize bulk transfer.The present invention has convenience, passes through this of invention Kind method realizes that equipment room data communication is surfed the Internet without connecting later.Interactivity, without establishing between Master and Clients It is connected with holding, the efficient communication in a manner of unordered, bulk transfer.It is economical, without arranging the complicated network equipment as exchanged Machine, router, as long as equipment has and sends and receives wifi MAC layer message and realize communication.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.

Claims (11)

1. a kind of method for realizing high-speed traffic using wifi probe request and response bag, which is characterized in that including following Step:
Based on probe request and probe the response message in 802.11 agreement of wifi, probe is sent One end of request message is defined as the end Clinet, and the one end for sending probe response message is defined as the end Master;Its In, probe request and probe response message includes data packet header information and for carrying data content Information, the data packet header information include packet mask;
The end Client sends according to packet receiving packet mask and requests, and backstage then receives the response message of Master, and updates packet receiving Packet mask sends communication after all packets are collected and completes the end request to Master, waits the feedback communication of the end Master Complete response.
2. the method according to claim 1 for realizing high-speed traffic using wifi probe request and response bag, special Sign is that data packet header information is also equipped with following parameter: Packet type, packet number, packet index, the letter for carrying data content The number of breath.
3. the method according to claim 2 for realizing high-speed traffic using wifi probe request and response bag, special Sign is that packet number is the total packet number completing data transmission and needing.
4. the method according to claim 1 for realizing high-speed traffic using wifi probe request and response bag, special Sign is that the information for carrying data content has following parameter: data block offset, data block length and data block contents.
5. the method according to claim 4 for realizing high-speed traffic using wifi probe request and response bag, special Sign is that data block offset is the offset relative to file start-position, and the end Client reconfigures out real according to the deviant The file of border transmission.
6. the method according to claim 4 for realizing high-speed traffic using wifi probe request and response bag, special Sign is that data block length is the actually active length of data block contents.
7. the method according to claim 1 for realizing high-speed traffic using wifi probe request and response bag, special Sign is, data packet header packet type include it is defined below, 0: inquiry request packet, 1: inquiry response packet, 2: completing request Packet, 3: complete response packet.
8. the method according to claim 1 for realizing high-speed traffic using wifi probe request and response bag, special Sign is that each of packet mask represents a packet, is defined as 1 end expression Client and has collected, conversely, then needing Master End is sent.
9. the method according to claim 1 for realizing high-speed traffic using wifi probe request and response bag, special Sign is that the end Client is sent according to packet receiving packet mask with fixed frequency and requested.
10. the method according to claim 9 for realizing high-speed traffic using wifi probe request and response bag, special Sign is that the fixed frequency that packet receiving packet mask in the end Client sends request is 1s.
11. the method according to claim 1 for realizing high-speed traffic using wifi probe request and response bag, special Sign is, the response that the end Master is sent be it is unidirectional, i.e., specified destination address be it is unidirectional, inside same channel simultaneously There are several ends Client, all ends Client are directly and bulk transfer is realized at the end Master.
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