CN105050197A - Wireless communication method, related devices for wireless communication, wireless communication system - Google Patents
Wireless communication method, related devices for wireless communication, wireless communication system Download PDFInfo
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- CN105050197A CN105050197A CN201510148805.5A CN201510148805A CN105050197A CN 105050197 A CN105050197 A CN 105050197A CN 201510148805 A CN201510148805 A CN 201510148805A CN 105050197 A CN105050197 A CN 105050197A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000003993 interaction Effects 0.000 claims abstract description 85
- 230000005540 biological transmission Effects 0.000 claims description 85
- 230000003595 spectral effect Effects 0.000 claims description 47
- 239000012141 concentrate Substances 0.000 claims description 34
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
- H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
- H04W74/085—Random access procedures, e.g. with 4-step access with collision treatment collision avoidance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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Abstract
The embodiment of the invention discloses a wireless communication method. The wireless communication method comprises: generating a message frame, wherein the message frame includes RTS control information which is set according to the current accumulated number of conflicts occurring during the process of data communication, and the RTS control information is used for indicating site devices in a basic service set about whether or not to send a RTS control frame before data interaction; and sending the message frame to the site devices in the basic service set. The invention also discloses access point devices, site devices and a wireless communication system. The wireless communication method, the related devices for wireless communication, and the wireless communication system solve the technical problem that in the prior art, a large amount of frequency spectrum resource are wasted because STAs perform the interaction between RTS (Request To Send) and CTS (Clear To Send) before data interaction every time, thus reducing the effective utilization rate of frequency spectrum. Therefore, the wireless communication method, the related devices for wireless communication, and the wireless communication system can reasonably utilize the RTS and the CTS and improve the effective utilization rate of frequency spectrum, and simultaneously can improve the area throughput indirectly.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of wireless communications method, relevant device and system.
Background technology
Along with the progress of ICT (information and communication technology), various wireless communication technology is developed recently.In the middle of these wireless communication technologys, WLAN (wireless local area network) (WLAN) is that one can by the technology using portable terminal (such as intelligent mobile terminal, panel computer, portable media player etc.) wirelessly to surf the Net in family or enterprise or in the region providing special services.
Current, 802.11 protocol groups have set up the seminar of Wi-Fi technology of future generation---efficient WLAN (wireless local area network) (HighEfficiencyWLAN, HEW), and to improve the throughput of Current wireless communication.In existing Wi-Fi standard; in order to improve service quality and the effective rate of utilization of frequency spectrum; all (RequestToSend will be sent by request before equipment carries out exchanges data; RTS) agreement and clear to send (ClearToSend; CTS) agreement protects follow-up data mutual; this is also in Basic Service Set (BasicServiceSet, BSS), avoided concealed nodes and improve the effective method of communication quality simultaneously.
The mutual schematic diagram of RTS and CTS in prior art as shown in Figure 1 before data interaction, if site STA s carried out the mutual of RTS and CTS before carrying out data interaction at every turn, waste a large amount of frequency spectrum resources (RTS and CTS does not belong to substantial data) undoubtedly, thus reduce effective utilization ratio of frequency spectrum, the vision of the effective rate of utilization of the raising frequency spectrum that this and HEW (802.11ax) propose is runed counter to, and the effective rate of utilization how improving frequency spectrum is the hot issue that people pay close attention to.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of wireless communications method, relevant device and system are provided, solve STAs in prior art and before carrying out data interaction, carry out the mutual of RTS and CTS at every turn, waste a large amount of frequency spectrum resources, thus reduce the technical problem of effective utilization ratio of frequency spectrum.
First aspect, embodiments provides a kind of wireless communications method, comprising:
Generating messages frame, described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
The site apparatus concentrated to basic service sends described message frame.
In conjunction with first aspect, in the implementation that the first is possible, described according to current accumulative carry out data communication time clash request that number of times arranges and send control information and comprise:
According to current accumulative carry out data communication time clash number of times and generate request and send information element, described request sends information element and comprises information element mark, information element length and request sending threshold value information;
Wherein, described request sending threshold value information comprises and is used to indicate site apparatus that basic service concentrates the need of the first bit sending request transmission control frame before carrying out data interaction, and is used to indicate current accumulative the second bit clashing number of times when carrying out data communication.
In conjunction with the first possible implementation of first aspect, in the implementation that the second is possible, when judged by described second bit current accumulative carry out data communication time clash number of times reach predetermined threshold value time, the site apparatus being set to by described first bit indicate basic service to concentrate needed to send request transmission control frame before carrying out data interaction, and was reset to by described second bit " 0 ";
When judged by described second bit current accumulative carry out data communication time clash number of times do not reach predetermined threshold value time, the site apparatus being set to by described first bit indicate basic service to concentrate did not need to send request transmission control frame before carrying out data interaction.
In conjunction with first aspect, in the implementation that the third is possible, described message frame is beacon frame.
In conjunction with first aspect, or the first possible implementation of first aspect, or the implementation that the second of first aspect is possible, or the third possible implementation of first aspect, in the 4th kind of possible implementation, multiple site apparatus that described basic service is concentrated are assigned multiple different spectral bandwidth;
The request being respectively arranged with multiple different spectral bandwidth in described message frame corresponding sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame.
Second aspect, embodiments provides a kind of wireless communications method, comprising:
Receive the message frame that access point apparatus sends; Described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
Resolve described message frame, when described request send control information instruction need to send request transmission control frame time, send request transmission control frame carrying out access point apparatus described in the forward direction of data interaction; Otherwise, before carrying out data interaction, do not send request transmission control frame to described access point apparatus.
In conjunction with second aspect, in the implementation that the first is possible, multiple site apparatus that described basic service is concentrated are assigned multiple different spectral bandwidth; The request being respectively arranged with multiple different spectral bandwidth in described message frame corresponding sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame;
The described message frame of described parsing comprises: resolve the spectral bandwidth corresponding requests that in described message frame, local terminal site apparatus uses and send control information.
The third aspect, embodiments provides a kind of access point apparatus, comprising:
Message frame generation module, generating messages frame, described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
Message frame sending module, the site apparatus concentrated to basic service sends described message frame.
In conjunction with the third aspect, in the implementation that the first is possible, described message frame generation module comprises:
Information element generation unit, for according to current accumulative carry out data communication time clash number of times and generate request and send information element, described request sends information element and comprises information element mark, information element length and request sending threshold value information;
Wherein, described request sending threshold value information comprises and is used to indicate site apparatus that basic service concentrates the need of the first bit sending request transmission control frame before carrying out data interaction, and is used to indicate current accumulative the second bit clashing number of times when carrying out data communication.
In conjunction with the first possible implementation of the third aspect, in the implementation that the second is possible, described information element generation unit comprises:
First setting unit, for when judged by described second bit current accumulative carry out data communication time clash number of times reach predetermined threshold value time, the site apparatus being set to by described first bit indicate basic service to concentrate needed to send request transmission control frame before carrying out data interaction, and was reset to by described second bit " 0 ";
Second setting unit, for when judged by described second bit current accumulative carry out data communication time clash number of times do not reach predetermined threshold value time, the site apparatus being set to by described first bit indicate basic service to concentrate did not need to send request transmission control frame before carrying out data interaction.
In conjunction with the third aspect, in the implementation that the third is possible, described message frame is beacon frame.
In conjunction with the third aspect, or the first possible implementation of the third aspect, or the implementation that the second of the third aspect is possible, or the third possible implementation of the third aspect, in the 4th kind of possible implementation, multiple site apparatus that described basic service is concentrated are assigned multiple different spectral bandwidth;
The request being respectively arranged with multiple different spectral bandwidth corresponding in the message frame that described message frame generation module generates sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame.
Fourth aspect, embodiments provides a kind of site apparatus, comprising:
Message frame receiver module, for receiving the message frame that access point apparatus sends; Described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
Resolve sending module, for resolving described message frame, when described request send control information instruction need to send request transmission control frame time, send request transmission control frame carrying out access point apparatus described in the forward direction of data interaction; Otherwise, before carrying out data interaction, do not send request transmission control frame to described access point apparatus.
In conjunction with fourth aspect, in the implementation that the first is possible, multiple site apparatus that described basic service is concentrated are assigned multiple different spectral bandwidth; The request being respectively arranged with multiple different spectral bandwidth in described message frame corresponding sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame;
Described parsing sending module sends control information specifically for resolving the spectral bandwidth corresponding requests that in described message frame, local terminal site apparatus uses, when described request send control information instruction need to send request transmission control frame time, send request transmission control frame carrying out access point apparatus described in the forward direction of data interaction; Otherwise, before carrying out data interaction, do not send request transmission control frame to described access point apparatus.
5th aspect, embodiments provides a kind of wireless communication system, comprises access point apparatus and site apparatus; Wherein
Described first access point apparatus is as the third aspect, or the first possible implementation of the third aspect, or the implementation that the second of the third aspect is possible, or the third possible implementation of the third aspect, or the access point apparatus in the 4th of the third aspect the kind of possible implementation;
Described site apparatus is as fourth aspect, or the site apparatus in the first possible implementation of fourth aspect.
By implementing the embodiment of the present invention, the message frame generated comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, with indicate basic service concentrate site apparatus before carrying out data interaction the need of sending request transmission control frame, achieve situation about clashing when carrying out data communication according to the disturbed condition communicated in BSS or website and call RTS and CTS, make when BSS load is lighter, without the need to calling RTS and CTS, solve STAs in prior art and before carrying out data interaction, carry out the mutual of RTS and CTS at every turn, waste a large amount of frequency spectrum resources, thus reduce the technical problem of effective utilization ratio of frequency spectrum, achieve and reasonably utilize RTS and CTS, improve the effective rate of utilization of frequency spectrum, also indirectly improve region throughput simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the mutual schematic diagram of RTS and CTS in prior art before data interaction;
Fig. 2 is the schematic flow sheet of wireless communications method provided by the invention;
Fig. 3 is the structural representation that request that the embodiment of the present invention provides sends control information;
Fig. 4 is the structural representation of another embodiment that request provided by the invention sends control information;
Fig. 5 is the schematic flow sheet of another embodiment of wireless communications method provided by the invention;
Fig. 6 is the structural representation of the access point apparatus that the embodiment of the present invention provides;
Fig. 7 is the structural representation of the information element generation unit that the embodiment of the present invention provides;
Fig. 8 is the structural representation of the site apparatus of the embodiment of the present invention;
Fig. 9 is the structural representation of wireless communication system provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, the term used in embodiments of the present invention is only for the object describing specific embodiment, and not intended to be limiting the present invention." one ", " described " and " being somebody's turn to do " of the singulative used in the embodiment of the present invention and appended claims is also intended to comprise most form, unless context clearly represents other implications.It is also understood that term "and/or" used herein refer to and comprise one or more project of listing be associated any or all may combine.
See Fig. 2, be the schematic flow sheet of wireless communications method provided by the invention, be described from access point side, the method comprises:
Step S200: generating messages frame, described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
Particularly, access point (ACCESSPOINT, AP) equipment can add up the number of times that all site apparatus in self coverage clash when carrying out data communication, then arrange request according to this conflict number to send control information, specifically can set up some rules, a threshold value is such as set, when the number of accumulative conflict number reaches this threshold value, this request is so just set and sends control information to indicate the concentrated site apparatus of basic service to need to send request transmission control frame before carrying out data interaction; Or preset a function relevant to this conflict number or formula, to reflect the disturbed condition that current site communicates, by calculating this function or formula draws site apparatus the need of sending request transmission control frame before carrying out data interaction, thus this request is set sends control information.
Step S202: the site apparatus concentrated to basic service sends described message frame.
Particularly, the site apparatus that this message frame is concentrated to basic service carries out sending or broadcasting by access point apparatus, and site apparatus receives this message frame and after parsing, can send control information perform corresponding operating according to the request in this message frame.
It should be noted that, the message frame in the embodiment of the present invention can include but not limited to the message frame such as probing response frame or beacon frame.
By Fig. 2 embodiment, the message frame that access point apparatus generates comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, with indicate basic service concentrate site apparatus before carrying out data interaction the need of sending request transmission control frame, achieve situation about clashing when carrying out data communication according to the disturbed condition communicated in BSS or website and call RTS and CTS, make when BSS load is lighter, without the need to calling RTS and CTS, solve STAs in prior art and before carrying out data interaction, carry out the mutual of RTS and CTS at every turn, waste a large amount of frequency spectrum resources, thus reduce the technical problem of effective utilization ratio of frequency spectrum, achieve and reasonably utilize RTS and CTS, improve the effective rate of utilization of frequency spectrum, also indirectly improve region throughput simultaneously.
Further, in step S200 according to current accumulative carry out data communication time clash the request that number of times arranges and send control information and can specifically comprise:
According to current accumulative carry out data communication time clash number of times and generate request and send information element, described request sends information element and comprises information element mark, information element length and request sending threshold value information;
Wherein, described request sending threshold value information comprises and is used to indicate site apparatus that basic service concentrates the need of the first bit sending request transmission control frame before carrying out data interaction, and is used to indicate current accumulative the second bit clashing number of times when carrying out data communication.
Particularly, the structural representation that the request that the embodiment of the present invention as Fig. 3 provides sends control information, the embodiment of the present invention can define a kind of new information element (InformationElement, IE), this request being sent control information is encapsulated in this IE, wherein:
Component identification ElementID is used to indicate as request sends control information, length Length is used to indicate the size of this information element, request sending threshold value (RTSThreshold) was used to indicate site apparatus before carrying out data interaction the need of sending request transmission control frame, particularly, this request sending threshold value can comprise the first bit and the second bit, wherein the embodiment of the present invention does not limit the size of the first bit and the second bit, its concrete condition can grasped according to technological development personnel is arranged, first bit is such as set and can comprises two bits, wherein can not need to send request transmission control frame before carrying out data interaction by prespecified " 00 " instruction site apparatus, " 11 " instruction site apparatus needed to send request transmission control frame before carrying out data interaction, second bit can comprise six bits, and " 000000 " represents that current accumulative to clash number of times when carrying out data communication be 0, and " 000010 " represents that current accumulative to clash number of times when carrying out data communication be 2, etc.It should be noted that, ask sending threshold value can be 1 byte or 2 bytes in Fig. 3, but the present invention is not limited thereto.
Further, when judged by the second bit current accumulative carry out data communication time clash number of times reach predetermined threshold value time, the site apparatus being set to by this first bit indicate basic service to concentrate needed to send request transmission control frame before carrying out data interaction, and was reset to by this second bit " 0 "; When judged by this second bit current accumulative carry out data communication time clash number of times do not reach predetermined threshold value time, the site apparatus being set to by this first bit indicate basic service to concentrate did not need to send request transmission control frame before carrying out data interaction.Will be understood that, in the embodiment of the present invention " 0 " represent 0 in binary condition, as 4 " 0000 ", or 6 " 000000 " etc., the number of bits specifically arranged according to technological development personnel and determining.
Particularly, suppose that predetermined threshold value is 10, so when this second bit is " 001011 ", namely this second bit is greater than predetermined threshold value, first bit is so set for " 11 ", to indicate site apparatus to need to send request transmission control frame before carrying out data interaction, and this second bit is reset to " 000000 ";
Also it should be noted that, be not limited to the size of predetermined threshold value in the embodiment of the present invention, the concrete condition can grasped according to technological development personnel is arranged; Predetermined threshold value preferably in the embodiment of the present invention can be any one in 5-10.
Again further, multiple site apparatus that the basic service in the embodiment of the present invention is concentrated can be assigned multiple different spectral bandwidth; The request being so respectively arranged with multiple different spectral bandwidth in this message frame corresponding sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame.
Particularly, OFDM (OrthogonalFrequencyDivisionMultipleAccess may be used in 802.11ax, OFDMA) technology, therefore communication system distributes different spectral bandwidths can to each STA, and under different spectral bandwidths STAs carry out data communication be produce conflict situation may be different, the structural representation of another embodiment that request provided by the invention as shown in Figure 4 sends control information, the present invention can send control information to combine with spectral bandwidth by definition request and use.Such as the whole communication bandwidth of AP (BSS) is 80MHz, and when adopting OFDMA technology, the channel width distributing to STAs may be different, such as the spectral bandwidth of 80MHz may be divided equally into 4 bandwidth, each 20MHz.So " channel 1 (ChannelID1) in Fig. 4
" indicate under the channel width of first 20MHz; the request of its correspondence sends control information; if number of times of its conflict does not reach predetermined threshold value, so indicate the site apparatus under the channel width of first 20MHz need not send request transmission control frame before carrying out data interaction; Will be understood that, if during the request that " ChannelID2 " is corresponding sends control information, the number of times of its conflict reaches predetermined threshold value, so indicates the site apparatus under the channel width of second 20MHz to need to send request transmission control frame before carrying out data interaction.In like manner, situation about using under the 3rd, the 4th 20MHz channel width is also like this.
Specifically understand the wireless communications method the embodiment of the present invention above from access point side, below accordingly, slave site side is described, and the schematic flow sheet of another embodiment of wireless communications method provided by the invention as shown in Figure 5, comprising:
Step S500: receive the message frame that access point apparatus sends; Described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
Particularly, this message frame is the message frame sent by access point in above-mentioned Fig. 2 to Fig. 4 any embodiment, repeats no more here.
Step S502: resolve described message frame, when described request send control information instruction need to send request transmission control frame time, send request transmission control frame carrying out access point apparatus described in the forward direction of data interaction; Otherwise, before carrying out data interaction, do not send request transmission control frame to described access point apparatus.
Particularly, after site apparatus receives this message frame, carry out resolving the request obtained wherein to transmit control message, when described request send control information instruction need to send request transmission control frame time, send request transmission control frame at this access point apparatus of forward direction carrying out data interaction; Otherwise, before carrying out data interaction, do not send request transmission control frame to this access point apparatus.
Further, multiple site apparatus that embodiment of the present invention basic service is concentrated are assigned multiple different spectral bandwidth; The request being respectively arranged with multiple different spectral bandwidth in described message frame corresponding sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame;
Step S503 can comprise when resolving described message frame: resolve the spectral bandwidth corresponding requests that in this message frame, local terminal site apparatus uses and send control information.Such as local terminal site apparatus uses the spectral bandwidth under " ChannelID2 ", and the request that so only can need parse this " ChannelID2 " corresponding sends control information.
By implementing the embodiment of the present invention, the message frame generated comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, with indicate basic service concentrate site apparatus before carrying out data interaction the need of sending request transmission control frame, achieve situation about clashing when carrying out data communication according to the disturbed condition communicated in BSS or website and call RTS and CTS, make when BSS load is lighter, without the need to calling RTS and CTS, solve STAs in prior art and before carrying out data interaction, carry out the mutual of RTS and CTS at every turn, waste a large amount of frequency spectrum resources, thus reduce the technical problem of effective utilization ratio of frequency spectrum, achieve and reasonably utilize RTS and CTS, improve the effective rate of utilization of frequency spectrum, also indirectly improve region throughput simultaneously.
The above-mentioned method illustrating the embodiment of the present invention, below for the ease of implementing the such scheme of the embodiment of the present invention better, correspondingly, is also provided for coordinating the relevant device implementing such scheme below.
The structural representation of the access point apparatus that the embodiment of the present invention as shown in Figure 6 provides, access point apparatus 60 comprises: message frame generation module 600 and message frame sending module 602, wherein
Message frame generation module 600 generating messages frame, described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
The site apparatus that message frame sending module 602 is concentrated to basic service sends described message frame.
Particularly, message frame generation module 600 can also comprise: information element generation unit 6000, for according to current accumulative carry out data communication time clash number of times and generate request and send information element, described request sends information element and comprises information element mark, information element length and request sending threshold value information;
Wherein, described request sending threshold value information comprises and is used to indicate site apparatus that basic service concentrates the need of the first bit sending request transmission control frame before carrying out data interaction, and is used to indicate current accumulative the second bit clashing number of times when carrying out data communication.
Further, the structural representation of the information element generation unit that the embodiment of the present invention as shown in Figure 7 provides, information element generation unit 6000 can comprise the first setting unit 60000 and the second setting unit 60002, wherein
First setting unit 60000 for when judged by described second bit current accumulative carry out data communication time clash number of times reach predetermined threshold value time, the site apparatus being set to by described first bit indicate basic service to concentrate needed to send request transmission control frame before carrying out data interaction, and was reset to by described second bit " 0 ";
Second setting unit 60002 for when judged by described second bit current accumulative carry out data communication time clash number of times do not reach predetermined threshold value time, the site apparatus being set to by described first bit indicate basic service to concentrate did not need to send request transmission control frame before carrying out data interaction.
Again further, multiple site apparatus that basic service is concentrated are assigned multiple different spectral bandwidth;
The request being respectively arranged with multiple different spectral bandwidth corresponding in the message frame that message frame generation module 602 generates sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame.
Access point apparatus 60 in the embodiment of the present invention can be such as Network Management Equipment, router, transmission node, intelligent mobile terminal or other network equipment.
Will be understood that, the function of each functional module of the access point apparatus 60 of the present embodiment according to the method specific implementation in said method embodiment, can specifically correspondence referring to figs. 1 to the associated description of Fig. 4 embodiment of the method, can repeat no more herein.
The above-mentioned access point apparatus 60 illustrating the embodiment of the present invention, below for the ease of implementing the such scheme of the embodiment of the present invention better, correspondingly, also provides a kind of site apparatus below;
The structural representation of the site apparatus of the embodiment of the present invention as shown in Figure 8, site apparatus 80 comprises: message frame receiver module 800 and parsing sending module 802, wherein
The message frame that message frame receiver module 800 sends for receiving access point apparatus; Described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
Resolve sending module 802 for resolving described message frame, when described request send control information instruction need to send request transmission control frame time, send request transmission control frame carrying out access point apparatus described in the forward direction of data interaction; Otherwise, before carrying out data interaction, do not send request transmission control frame to described access point apparatus.
Particularly, multiple site apparatus that basic service is concentrated are assigned multiple different spectral bandwidth; The request being respectively arranged with multiple different spectral bandwidth in described message frame corresponding sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame;
Resolve sending module 802 to send control information specifically for resolving the spectral bandwidth corresponding requests that in described message frame, local terminal site apparatus uses, when described request send control information instruction need to send request transmission control frame time, send request transmission control frame carrying out access point apparatus described in the forward direction of data interaction; Otherwise, before carrying out data interaction, do not send request transmission control frame to described access point apparatus.
The site apparatus 80 of the embodiment of the present invention can be such as panel computer, personal digital assistant, intelligent mobile terminal or other network equipment.
Will be understood that, in site apparatus 80, the function of each functional module according to the method specific implementation in said method embodiment, that is, specifically with reference to the method item embodiment of above-mentioned Fig. 5, can repeat no more here.
For the ease of implementing the such scheme of the embodiment of the present invention better, present invention also offers for coordinating the related system implementing such scheme.Below in conjunction with the structural representation of the wireless communication system provided by the invention shown in Fig. 9, be described in detail:
Wireless communication system 90 comprises access point apparatus 900 and site apparatus 902; Intelligible, wireless communication system 90 can comprise to comprise 1 site apparatus 902 in multiple site apparatus 902, figure, wherein
Access point apparatus 900 can be the access point apparatus 50 in above-mentioned Fig. 6 to Fig. 7 any embodiment, repeats no more here;
Site apparatus 902 can be the site apparatus 80 in above-mentioned Fig. 8 embodiment, repeats no more here.
In sum, by implementing the embodiment of the present invention, the message frame generated comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, with indicate basic service concentrate site apparatus before carrying out data interaction the need of sending request transmission control frame, achieve situation about clashing when carrying out data communication according to the disturbed condition communicated in BSS or website and call RTS and CTS, make when BSS load is lighter, without the need to calling RTS and CTS, solve STAs in prior art and before carrying out data interaction, carry out the mutual of RTS and CTS at every turn, waste a large amount of frequency spectrum resources, thus reduce the technical problem of effective utilization ratio of frequency spectrum, achieve and reasonably utilize RTS and CTS, improve the effective rate of utilization of frequency spectrum, also indirectly improve region throughput simultaneously.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are done, still belong to the scope that invention is contained.
Claims (15)
1. a wireless communications method, is characterized in that, comprising:
Generating messages frame, described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
The site apparatus concentrated to basic service sends described message frame.
2. the method for claim 1, is characterized in that, described according to current accumulative carry out data communication time clash request that number of times arranges and send control information and comprise:
According to current accumulative carry out data communication time clash number of times and generate request and send information element, described request sends information element and comprises information element mark, information element length and request sending threshold value information;
Wherein, described request sending threshold value information comprises and is used to indicate site apparatus that basic service concentrates the need of the first bit sending request transmission control frame before carrying out data interaction, and is used to indicate current accumulative the second bit clashing number of times when carrying out data communication.
3. method as claimed in claim 2, it is characterized in that, when judged by described second bit current accumulative carry out data communication time clash number of times reach predetermined threshold value time, the site apparatus being set to by described first bit indicate basic service to concentrate needed to send request transmission control frame before carrying out data interaction, and was reset to by described second bit " 0 ";
When judged by described second bit current accumulative carry out data communication time clash number of times do not reach predetermined threshold value time, the site apparatus being set to by described first bit indicate basic service to concentrate did not need to send request transmission control frame before carrying out data interaction.
4. the method for claim 1, is characterized in that, described message frame is beacon frame.
5. the method as described in any one of claim 1-4, is characterized in that, multiple site apparatus that described basic service is concentrated are assigned multiple different spectral bandwidth;
The request being respectively arranged with multiple different spectral bandwidth in described message frame corresponding sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame.
6. a wireless communications method, is characterized in that, comprising:
Receive the message frame that access point apparatus sends; Described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
Resolve described message frame, when described request send control information instruction need to send request transmission control frame time, send request transmission control frame carrying out access point apparatus described in the forward direction of data interaction; Otherwise, before carrying out data interaction, do not send request transmission control frame to described access point apparatus.
7. method as claimed in claim 6, it is characterized in that, multiple site apparatus that described basic service is concentrated are assigned multiple different spectral bandwidth; The request being respectively arranged with multiple different spectral bandwidth in described message frame corresponding sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame;
The described message frame of described parsing comprises: resolve the spectral bandwidth corresponding requests that in described message frame, local terminal site apparatus uses and send control information.
8. an access point apparatus, is characterized in that, comprising:
Message frame generation module, generating messages frame, described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
Message frame sending module, the site apparatus concentrated to basic service sends described message frame.
9. equipment as claimed in claim 8, it is characterized in that, described message frame generation module comprises:
Information element generation unit, for according to current accumulative carry out data communication time clash number of times and generate request and send information element, described request sends information element and comprises information element mark, information element length and request sending threshold value information;
Wherein, described request sending threshold value information comprises and is used to indicate site apparatus that basic service concentrates the need of the first bit sending request transmission control frame before carrying out data interaction, and is used to indicate current accumulative the second bit clashing number of times when carrying out data communication.
10. equipment as claimed in claim 9, it is characterized in that, described information element generation unit comprises:
First setting unit, for when judged by described second bit current accumulative carry out data communication time clash number of times reach predetermined threshold value time, the site apparatus being set to by described first bit indicate basic service to concentrate needed to send request transmission control frame before carrying out data interaction, and was reset to by described second bit " 0 ";
Second setting unit, for when judged by described second bit current accumulative carry out data communication time clash number of times do not reach predetermined threshold value time, the site apparatus being set to by described first bit indicate basic service to concentrate did not need to send request transmission control frame before carrying out data interaction.
11. equipment as claimed in claim 8, it is characterized in that, described message frame is beacon frame.
12. equipment as described in any one of claim 8-11, it is characterized in that, multiple site apparatus that described basic service is concentrated are assigned multiple different spectral bandwidth;
The request being respectively arranged with multiple different spectral bandwidth corresponding in the message frame that described message frame generation module generates sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame.
13. 1 kinds of site apparatus, is characterized in that, comprising:
Message frame receiver module, for receiving the message frame that access point apparatus sends; Described message frame comprise according to current accumulative carry out data communication time clash the request that number of times arranges and send control information, described request sends control information and was used to indicate site apparatus that basic service concentrates before carrying out data interaction the need of sending request transmission control frame;
Resolve sending module, for resolving described message frame, when described request send control information instruction need to send request transmission control frame time, send request transmission control frame carrying out access point apparatus described in the forward direction of data interaction; Otherwise, before carrying out data interaction, do not send request transmission control frame to described access point apparatus.
14. equipment as claimed in claim 13, it is characterized in that, multiple site apparatus that described basic service is concentrated are assigned multiple different spectral bandwidth; The request being respectively arranged with multiple different spectral bandwidth in described message frame corresponding sends control information, and each request sends control information and was used to indicate site apparatus under corresponding spectral bandwidth before carrying out data interaction the need of sending request transmission control frame;
Described parsing sending module sends control information specifically for resolving the spectral bandwidth corresponding requests that in described message frame, local terminal site apparatus uses, when described request send control information instruction need to send request transmission control frame time, send request transmission control frame carrying out access point apparatus described in the forward direction of data interaction; Otherwise, before carrying out data interaction, do not send request transmission control frame to described access point apparatus.
15. 1 kinds of wireless communication systems, is characterized in that, comprise access point apparatus and site apparatus, wherein
Described access point apparatus is the access point apparatus as described in any one of claim 8-12;
Described site apparatus is the site apparatus as described in claim 13 or 14.
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| CN105050197B (en) | 2018-09-14 |
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