CN103002515A - Method for indicating quiet mode and method and device for transmitting data in quiet mode - Google Patents

Method for indicating quiet mode and method and device for transmitting data in quiet mode Download PDF

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Publication number
CN103002515A
CN103002515A CN2011102762453A CN201110276245A CN103002515A CN 103002515 A CN103002515 A CN 103002515A CN 2011102762453 A CN2011102762453 A CN 2011102762453A CN 201110276245 A CN201110276245 A CN 201110276245A CN 103002515 A CN103002515 A CN 103002515A
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Prior art keywords
silence
mourning
frequency band
field
website
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CN2011102762453A
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CN103002515B (en
Inventor
张兴新
王学寰
高磊
刘孟红
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Honor Device Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201110276245.3A priority Critical patent/CN103002515B/en
Priority to PCT/CN2012/077477 priority patent/WO2013037228A1/en
Publication of CN103002515A publication Critical patent/CN103002515A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
    • H04W74/0816—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA carrier sensing with collision avoidance

Abstract

An embodiment of the invention provides a method for indicating a quiet mode and a method, a device and a system for transmitting data in the quiet mode. The methods, the device and the system aim to sufficiently utilize frequency band resources, and the transmission rate of the system is increased. The method for indicating the quiet mode includes that quiet element information is transmitted to stations in a basic service set, so that the stations in the basic service set are informed of an available working frequency band in a quiet period according to the quiet element information, and data are not transmitted in the quite period, or are transmitted by the aid of the available working frequency band. Compared with an existing method that prohibition of use of an integral working frequency band is indicated for stations in an existing basic service set in a quiet period in the prior art, the method for indicating the quiet mode has the advantages that the data can be transmitted on the available working frequency band by the stations in the basic service set in the quiet period, the frequency band resources are sufficiently utilized, and the transmission rate of the integral system is increased.

Description

Data transmission method under silent mode indicating means, the silent mode and device
Technical field
The present invention relates to wireless communication field, relate in particular to data transmission method and device under silent mode indicating means, the silent mode.
Background technology
Basic Service Set (Basic Service Set, BSS) is the element of a WLAN (wireless local area network), forms by being within a certain particular coverage and having certain related website (Station below is abbreviated as STA).The citation form of website association is terminal or website mutually direct communication in an ad-hoc network among the BSS, the BSS of this most basic correlation form independent basic service set (Independent Basic Service Set, IBSS) that is otherwise known as.IBSS is uncommon in the website correlation form of BSS, the common form of website association is that wherein each STA is associated with the central location of a full-time administrative Basic Service Set among the BSS, this central location is called as access point (AP, Access Point), the BSS that is based upon the AP periphery is called as the BSS with infrastructure.The BSS that implement on the band basis can be interconnected by distributed system (Distributed System, DS) by their AP, thus the communication of terminal room among the BSS that realizes implementing on the different band basis.
Concentrate in basic service, select maker (the Defines mechanisms for dynamic Frequency Selection Owner of mechanism when the dynamic bandwidth of BSS, when DFSO) need measuring the situation such as the interference of its bandwidth of operation and noise, can require all STA of its place BSS within certain time period, to keep mourning in silence, that is, do not send any data; DFSO is served as by AP usually.
In order to allow all STA in the BSS keep mourning in silence, a kind of method that prior art provides is that DFSO sends element (the Quiet Element that mourns in silence to the STA of BSS, QE), described QE has done indication to relevant parameter of mourning in silence on the horizon, its form as shown in Figure 1, wherein:
" component identification (Element ID) " field (taking 1 byte) is used for the unique identification element of mourning in silence;
" length (Length) " field (taking 1 byte) is used for also having what eight hytes after this length field of expression;
" counting of mourning in silence (Quiet Count) " field (taking 1 byte), the time started of mourning in silence that is used to indicate the silence period puts in what target beacon (Beacon) after the transmission time;
" silence period (Quiet Period) " field (taking 1 byte), being used to indicate this mourns in silence and periodically mourns in silence or aperiodicity is mourned in silence, its value represents that this time mourned in silence when " 0 " and mourns in silence for disposable, when its value is not 0, represent that this mourns in silence as periodically mourning in silence, the cycle of mourning in silence is so a plurality of target beacon transmit times corresponding to this numerical value;
" (Quiet Duration) mourns in silence the duration " field (taking 2 bytes) is used for expression and once mourns in silence the lasting time;
" skew of mourning in silence (Quiet Offset) " field (taking 2 bytes), be used to indicate the silence period mourn in silence time started point the individual target beacon transmit of Quiet Count field indication after the time how long, the duration that the offset field of mourning in silence is corresponding is shorter than 1 target beacon transmit time interval.
In the element of mourning in silence, the count area of mourning in silence, the offset field and mourn in silence the duration field together of mourning in silence can be indicated the zero hour of mourning in silence, the finish time and the lasting time of a silence period.
Receive the STA of this element of mourning in silence, will be according to the relevant parameter in the element of mourning in silence, for example " counting of mourning in silence, mourn in silence skew and mourn in silence the duration " content of field, within the corresponding time, keep mourning in silence.
This case inventor is through studying for a long period of time and putting into practice discovery, the defective of the indicating means of mourning in silence that above-mentioned prior art provides is: in case STA receives the element of mourning in silence, this STA will keep mourning in silence at whole working band, and in fact, be not that all are mourned in silence and all need whole working band is disturbed measurement with noise, in the case, the some work frequency band that need not to measure remains operable, therefore, the indicating means of mourning in silence that prior art provides is not high to the utilance of working band.
Summary of the invention
The embodiment of the invention provides data transmission method and the device under silent mode indicating means, the silent mode, to take full advantage of band resource, the transmission rate of elevator system.
The embodiment of the invention provides a kind of silent mode indicating means, and described method comprises:
Website sends the element message of mourning in silence in the Basic Service Set, so that website is known the silence period available operating frequency band according to the described element message of mourning in silence in the described Basic Service Set, do not send data or use described available operating frequency band to send data in the described silence period;
The described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period.
The embodiment of the invention provides the data transmission method under a kind of silent mode, and described method comprises:
Website receives the element message of mourning in silence in the Basic Service Set, and the described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period;
Described website is known the silence period available operating frequency band according to the described element message of mourning in silence, and does not send data or uses the available operating frequency band of described frequency band field indication to send data in the described silence period.
The embodiment of the invention provides a kind of silent mode indicating device, and described device is the Basic Service Set central location, and described device comprises:
Sending module, send the described element message of mourning in silence for website in Basic Service Set, so that website is known the silence period available operating frequency band according to the described element message of mourning in silence in the described Basic Service Set, do not send data or use available operating frequency band to send data in the described silence period;
The described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period.
The embodiment of the invention provides the data transmission device under a kind of silent mode, and described device is website in the Basic Service Set, and described device comprises:
Receiver module is used for receiving the element message of mourning in silence, and the described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period;
The data sending processing module is used for knowing the silence period available operating frequency band according to the element message of mourning in silence that described receiver module receives, and does not send data or uses the available operating frequency band of described frequency band field indication to send data in the described silence period.
From the invention described above embodiment as can be known, owing to can send the element message of mourning in silence to website in the Basic Service Set, and the element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period.Therefore, ban use of whole working band to compare with website in the prior art indication Basic Service Set in the silence period, the silent mode indicating means that the embodiment of the invention provides makes the interior website of Basic Service Set send data in the silence period in available operating frequency band, take full advantage of band resource, promoted the transmission rate of whole system.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the below will do to introduce simply to the accompanying drawing of required use in prior art or the embodiment description, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those skilled in the art, can also obtain such as these accompanying drawings other accompanying drawing.
Fig. 1 is the frame structure schematic diagram of the element message of mourning in silence that provides of prior art;
Fig. 2 is the silent mode indicating means schematic flow sheet that the embodiment of the invention provides;
Fig. 3 a is the frame structure schematic diagram of the element message of mourning in silence that provides of the embodiment of the invention;
Fig. 3 b is the frame structure schematic diagram of the element message of mourning in silence that provides of another embodiment of the present invention;
Fig. 4 is the mourn in silence indication schematic diagrames of available operating frequency band in the element message of 8 binary value representations of use that the embodiment of the invention provides;
Fig. 5 is the frame structure schematic diagram of the element message of mourning in silence of the expansion that provides of another embodiment of the present invention;
Fig. 6 is that the website to Basic Service Set that the embodiment of the invention provides sends the element message schematic diagram of mourning in silence;
Fig. 7 is the data transmission method schematic flow sheet under the silent mode that provides of the embodiment of the invention;
Fig. 8 is the data transmission method schematic diagram under the silent mode that provides of another embodiment of the present invention;
Fig. 9 is the silent mode indicating device structural representation that the embodiment of the invention provides;
Figure 10 is the silent mode indicating device structural representation that another embodiment of the present invention provides;
Figure 11 is the data transmission device structural representation under the silent mode that provides of the embodiment of the invention;
Figure 12 is the data transmission system structural representation under the silent mode that provides of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those skilled in the art obtain belongs to the scope of protection of the invention.
The embodiment of the invention provides a kind of silent mode indicating means, its executive agent can be the maker DFSO that dynamic bandwidth is selected mechanism, DFSO is usually by Basic Service Set central location or access point (Access Point, AP) serve as, when not having Basic Service Set central location or access point, also can be served as by certain website in the Basic Service Set.Described method comprises that website sends the element message of mourning in silence in the Basic Service Set, so that website is known the silence period available operating frequency band according to the described element message of mourning in silence in the described Basic Service Set, do not send data or use available operating frequency band to send data in the described silence period, the described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period.
Seeing also accompanying drawing 2, is a kind of silent mode indicating means schematic flow sheet that the embodiment of the invention provides, and its executive agent can be the Basic Service Set central location, for example, and access point (Access Point, AP) etc.The silent mode indicating means of accompanying drawing 2 examples mainly comprises step:
S201, website sends the element message of mourning in silence in the Basic Service Set, so that website is known the silence period available operating frequency band according to the described element message of mourning in silence in the described Basic Service Set, do not send data or use available operating frequency band to send data in the described silence period.
As previously mentioned, in the silence period, website still can use the some work frequency band in the Basic Service Set, sends data in the part available operating frequency band.For example, the working band that system originally uses after system evolved, uses the maximum bandwidth of working band can reach 160MHz as 20MHz or 40MHz.For so wide band system, local channel is interfered, the impact of noise, thereby causes system transmissions speed to descend.When need to be to being disturbed when measuring with the working band of noise effect, website sends the described element message of mourning in silence in the Basic Service Set, namely, when the some work frequency band of system is disturbed, during the affecting of noise, the DFSO of Basic Service Set is for the interference on the measure portion working band and noise situations, and element message indication which bandwidth of silence period can be used by mourning in silence.Silence period, STA is at the available band transmitting data, the waste of the available band resource of avoiding Whole frequency band in the prior art to mourn in silence causing.
Therefore, in embodiments of the present invention, the indication of website available operating frequency band in the silence period Basic Service Set is packaged in the described element message of mourning in silence, the indication of available operating frequency band is used to indicate the interior website of silence period Basic Service Set can use for which working band, perhaps indicates unavailable which working band of website in the silence period Basic Service Set.Be understandable that, the website available operating frequency band is the part of whole working band in the Basic Service Set, the unavailable working band of website in it and the Basic Service Set, for example, the working band that AP need to measure in the Basic Service Set (for example, be disturbed with the working band of noise effect etc.) consists of whole working band.
S202 receives the data that website uses available operating frequency band to send in the described Basic Service Set.
Meanwhile, the Basic Service Set central location for example, is disturbed with the working band of noise effect and measures unavailable working band.
In embodiments of the present invention, can be by sending broadcast frame, the mode such as multicast frame or unicast frame, the described element message of mourning in silence is sent to website in the described Basic Service Set, wherein, broadcast frame can be beacon frame (Beacon frame), multicast frame can be multi-user data frame (Data frame), unicast frame can be probing response frame (Probe Response frame) or alone user data frame, namely pass through broadcast beacon frame, the uni-cast probe response frame, the mode of alone user data frame or multicast multi-user data frame, the aforementioned element message of mourning in silence that is packaged with the indication of available operating frequency band is carried at described beacon frame, probing response frame, in alone user data frame or the multi-user data frame, be sent to website in the described Basic Service Set.
Send the situation of the described element message of mourning in silence for multicast frame or unicast frame mode, in embodiments of the present invention, can be that the number of website in described Basic Service Set is less or carry out when only having in the Basic Service Set website, meanwhile, require the interior website of corresponding Basic Service Set to feed back.
As one embodiment of the invention, comprise at least one frequency band (Band) field in the element message of mourning in silence, the indication of website available operating frequency band in the silence period Basic Service Set is filled into described at least one frequency band field.Shown in accompanying drawing 3a, in the element message of mourning in silence, include only a frequency band (Band) field (taking 1 byte).Other fields in a described frequency band field and the described element message of mourning in silence, for example, counting (Quiet Count) field (taking 1 byte) of mourning in silence, silence period (Quiet Period) field (taking 1 byte), skew (Quiet Offset) field (taking 2 bytes) of mourning in silence, the sign of mourning in silence (Element ID) field (taking 1 byte), one of the formations such as (Quiet Duration) field of mourning in silence the duration (taking 2 bytes) and length (Length) field (taking 1 byte) the element message of mourning in silence, the count area of mourning in silence, the silence period field, the offset field of mourning in silence, the identification field of mourning in silence, the count area of mourning in silence that the function of duration field and the length field etc. of mourning in silence or implication are mentioned with background technology of the present invention respectively, the silence period field, the offset field of mourning in silence, the identification field of mourning in silence, the duration field of mourning in silence is identical with function or the implication of length field etc., does not do herein and gives unnecessary details.
For accompanying drawing 3a, mourning in silence of element message indication (specifically indicated by the silence period field of the element message of mourning in silence if mourn in silence, for example, this field is " 1 ") for periodically mourning in silence, then the element message of mourning in silence of accompanying drawing 3a example can also comprise the number of times of mourning in silence (Quiet Times) field (taking 1 byte), shown in accompanying drawing 3b.The content of time digital section of mourning in silence of accompanying drawing 3b example stops to mourn in silence after being used to indicate and periodically mourning in silence through how many times.
Need to prove, in embodiments of the present invention, frequency band field and time digital section of mourning in silence not necessarily are positioned at after the offset field of mourning in silence of the element message of mourning in silence, and can be any positions after the length field in the element message of mourning in silence, and accompanying drawing 3a and accompanying drawing 3b only are example explanations.
If increase at least one frequency band field for to increase a plurality of frequency band fields in the described element message of mourning in silence in the described element message of mourning in silence, then be filled into the embodiment of described at least one frequency band field as the indication with website available operating frequency band in the silence period Basic Service Set, increase a plurality of frequency band fields (each frequency band field takies 1 byte) and organize other field groups that number equates with the number of described a plurality of frequency band fields in the described element message of mourning in silence, a plurality of indications of website available operating frequency band in the described silence period Basic Service Set are filled into respectively described a plurality of frequency band field, wherein, each of described other field groups is organized other fields and is comprised the count area of mourning in silence, the silence period field, the duration field of mourning in silence and the offset field of mourning in silence, the element message of mourning in silence that is described expansion comprises other field groups that the group number equates with described a plurality of frequency band field numbers, each of described other field groups is organized other fields and is comprised the count area of mourning in silence, the silence period field, the duration field of mourning in silence and the offset field of mourning in silence, described a plurality of frequency band fields and described other field groups consist of the described element message of mourning in silence.As shown in Figure 5, if element message increases by two frequency band fields mourning in silence, for example frequency band 1 (Band1) field and frequency band 2 (Band2) field, then correspondingly increase by two groups of other fields in the element message of mourning in silence, comprise counting 1 (the Quiet Count1) that mourn in silence, silence period 1 (Quiet Period1), mourn in silence the duration 1 (Quiet Duration1), skew 1 (Quiet Offset1) field (first group of other field) of mourning in silence and counting 2 (the Quiet Count2) that mourn in silence, silence period 2 (Quiet Period2), mourn in silence the duration 2 (Quiet Duration2), mourn in silence and be offset 2 (Quiet Offset2) field (second group of other field).It is identical that the count area of mourning in silence of accompanying drawing 5 examples, silence period field, the offset field of mourning in silence, the identification field of mourning in silence, the duration field of mourning in silence and length field etc. take the count area of mourning in silence, silence period field, the offset field of mourning in silence, the identification field of mourning in silence that byte number and function or implication mention with background technology of the present invention respectively, mourn in silence duration field and length field etc. take byte number and function or implication, do not do herein and give unnecessary details.
In the above-described embodiments, the a plurality of frequency band fields that increase and described other field groups are shared the sign of mourning in silence (Element ID) and length (Length) field, that is, a plurality of frequency band fields of increase and described other field groups consist of the element message of mourning in silence of a described expansion.So, can repeatedly mourn in silence in the element message indication of mourning in silence of an expansion, only need to send the element message of mourning in silence to website in the Basic Service Set when namely indication is repeatedly mourned in silence, compared with prior art, when indication the mourning in silence of same number of times, reduced sending the number of element message of mourning in silence, thereby improved system effectiveness and resource utilization.
Need to prove, in embodiments of the present invention, frequency band field field not necessarily is positioned at after the offset field of mourning in silence of the element message of mourning in silence, and can be any position after the length field in the element message of mourning in silence, and accompanying drawing 5 only is an example explanation.
In one embodiment of the invention, frequency band field binary-capable value, for example 8 binary values are indicated website available operating frequency band or unavailable working band in the described Basic Service Set of silence period, namely fill 8 binary values in the frequency band field, each 8 binary value is with regard to website available operating frequency band or unavailable working band in the corresponding expression silence period Basic Service Set.Shown in table one (the table bracket represents that corresponding binary value is converted into metric value), except metric value 4 to 255 reservations will be used from now on again, metric value 0,1,2 and 3 respectively indication do not have an available operating frequency band, main 20MHz (megahertz) channel can be used, main 40MHz (megahertz) channel can with and main 80MHz (megahertz) channel can use, at this moment, corresponding unavailable working band (for example, being disturbed with noise effect and the tested working band of needs) is respectively whole working band, frequency band outside main 20MHz (megahertz) channel, frequency band outside main 40MHz (megahertz) channel and auxiliary 80MHz (megahertz) channel.
Figure BDA0000091991570000081
Table one
And for example shown in the table two (the table bracket represents that corresponding binary value is converted into metric value), except metric value 3 to 255 reservations will be used from now on again, metric value 0,1 and 2 is indicated does not respectively have available operating frequency band, main 80MHz (megahertz) channel can be with using with auxiliary 80MHz (megahertz) channel, at this moment, corresponding unavailable working band (for example, being disturbed with noise effect and the tested frequency band of needs) is respectively whole working band, auxiliary 80MHz (megahertz) channel and main 80MHz (megahertz) channel.
Figure BDA0000091991570000091
Table two
And for example shown in the table three (the table bracket represents that corresponding binary value is converted into metric value), except metric value 1 to 254 reservation will be used from now on again, metric value 0 and 255 is indicated does not respectively have available operating frequency band and main 80MHz (megahertz) channel, at this moment, corresponding unavailable working band (for example, being disturbed with noise effect and the tested frequency band of needs) is respectively whole working band and auxiliary 80MHz (megahertz) channel.
Figure BDA0000091991570000092
Table three
Also shown in table four (the table bracket represents that corresponding binary value is converted into metric value), except metric value 5 to 255 reservations will be used from now on again, metric value 0,1,2,3 and 4 respectively indication do not have an available operating frequency band, main 20MHz (megahertz) channel, main 40MHz (megahertz) channel, main 80MHz (megahertz) channel and auxiliary 80MHz (megahertz) channel, at this moment, corresponding unavailable working band (for example, being disturbed with noise effect and the tested frequency band of needs) is respectively whole working band, frequency band outside main 20MHz (megahertz) channel, frequency band outside main 40MHz (megahertz) channel, auxiliary 80MHz (megahertz) channel and main 80MHz (megahertz) channel.
Figure BDA0000091991570000093
Figure BDA0000091991570000101
Table four
Need to prove, in table one, table two, table three and the table four that the embodiment of the invention provides, the maximum channel width (being the maximum bandwidth of whole working band) of supporting of Basic Service Set reaches 160MHz (megahertz).The channel of 160MHz can be continuous 160MHz channel, also can two continuous 80MHz channels.The channel of 160MHz can be divided into two 80MHz channels, and one of them is called as main 80MHz channel, and another then is called as auxiliary 80MHz channel; Main 80MHz channel can be divided into again two 40MHz channels, and one of them is called as main 40MHz channel, and another then is called as auxiliary 40MHz channel; Main 40MHz channel can be divided into again two 20MHz channels, and one of them is called as main 20MHz channel, and another then is called as auxiliary 20MHz channel.In another embodiment, also website available operating frequency band or unavailable working band in available bitmap (Bitmap) the indication described Basic Service Set of silence period of frequency band field.As shown in Figure 4, use the indication of 8 binary value representation available operating frequency band, namely fill binary value in the frequency band field, website available operating frequency band in the corresponding expression silence period Basic Service Set in " 1 " in each binary value, the unavailable working band of website in " 0 " corresponding expression silence period Basic Service Set, perhaps, otherwise, website available operating frequency band in the corresponding expression silence period Basic Service Set in " 0 " in each binary value, " 1 " is with regard to the unavailable working band of website in the corresponding expression silence period Basic Service Set.For example, the binary value of supposing the frequency band field is 11110000, represents that then front 4 channels of silence period can use.Easily understand, also have other compound mode, only be one herein and illustrate.
It will be appreciated by those skilled in the art that to such an extent that be, to table four and accompanying drawing 4, the content of frequency band field also can be indicated the unavailable working band of website in the Basic Service Set for table one, and correspondingly, the working band outside the unavailable working band is available operating frequency band.Therefore, website can be known available operating frequency band according to the indication of unavailable working band in the Basic Service Set.
From the silent mode indicating means of above-mentioned accompanying drawing 2 examples as can be known, owing to can send the element message of mourning in silence to website in the Basic Service Set, and the element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band in the described Basic Service Set of silence period.Therefore, ban use of whole working band to compare with website in the prior art indication Basic Service Set in the silence period, the silent mode indicating means that the embodiment of the invention provides makes the interior website of Basic Service Set send data in the silence period in available operating frequency band, take full advantage of band resource, promoted the transmission rate of whole system.
Accompanying drawing 6 is that the website in the Basic Service Set that the embodiment of the invention provides sends the element message schematic diagram of mourning in silence.In accompanying drawing 6, access point AP is as DFSO, and the mode that can be carried at beacon frame (Beacon frame), probing response frame (Probe Response frame) or Frame (Data frame) by the element message of will mourning in silence sends the element message of mourning in silence to the website of Basic Service Set.
For example, by broadcast beacon frame, send the element message of mourning in silence and arranged once to mourn in silence; The interior website 2 (STA2) of website 1 (STA1) and Basic Service Set is preserved the relevant parameter that each field represents in the described element message of mourning in silence separately in the Basic Service Set behind received beacon frame; And for example, website 3 (STA3) sends probe request (Probe Request frame) to AP in the Basic Service Set, after AP receives probe request, to STA3 feedback probing response frame (Probe Response frame), inform the relevant parameter that each field represents in the element message of mourning in silence of website 3 (STA3) in the Basic Service Set; For another example, AP also can be in sending to Basic Service Set carries the element message of mourning in silence in the Frame (Data frame) of website 2 (STA2), and require the interior website 2 (STA2) of Basic Service Set to feed back, website 2 (STA2) is to AP feedback block acknowledgement frame (Block Acknowledge frame in the Basic Service Set, BA) or acknowledgement frame (Acknowledge frame, ACK), BA/ACK be used for to the AP feedback whether correct demodulation corresponding data and information.
Need to prove, website in the Basic Service Set shown in the accompanying drawing 6 sends among the embodiment of the element message of mourning in silence, in the silence period, AP can only receive data, does not send data, namely, in the silence period, except website in Basic Service Set sent the element message of mourning in silence, AP did not carry out the transmission of any data or the data that receive is fed back, for example, website sends probing response frame etc. in the Basic Service Set; On the other hand, in the silence period, website (STA) also can be under an embargo and require AP website in this Basic Service Set to feed back in the Basic Service Set.
Seeing also accompanying drawing 7, is the data transmission method schematic flow sheet under the silent mode that provides of the embodiment of the invention, mainly comprises step:
Website receives the element message of mourning in silence in the S701, Basic Service Set.
In the present embodiment, the element message of mourning in silence that website receives in the described Basic Service Set is by the former element extension of message of mourning in silence, the element message of mourning in silence of expansion comprises at least one frequency band field, the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period, shown in accompanying drawing 3 or accompanying drawing 5, wherein, the implication of available operating frequency band or unavailable working band in the previous embodiment explanation, is not done herein and is given unnecessary details.Function or the implication of the count area of mourning in silence that the function of the count area of mourning in silence of accompanying drawing 3 or accompanying drawing 5 examples, silence period field, the offset field of mourning in silence, the identification field of mourning in silence, the duration field of mourning in silence and length field etc. or implication are mentioned with background technology of the present invention respectively, silence period field, the offset field of mourning in silence, the identification field of mourning in silence, mourn in silence duration field and length field etc. are identical, do not do herein and give unnecessary details.
The element message of mourning in silence of expansion is by the Basic Service Set central location, and for example, access point AP etc. are sent to website in the described Basic Service Set by sending the mode of broadcast frame, multicast frame or unicast frame with the described element message of mourning in silence.For example, mode by broadcast beacon frame (Beacon frame), uni-cast probe response frame (Probe Response frame), alone user data frame (Data frame) or multicast multi-user data frame, the element message of mourning in silence of the expansion of the aforementioned indication that is packaged with available operating frequency band is carried in described beacon frame, probing response frame, alone user data frame or the multi-user data frame, is sent to website in the described Basic Service Set.
Send the situation of the described element message of mourning in silence for multicast frame or unicast frame mode, in the present embodiment, can be that the number of website in described Basic Service Set is less or carry out when only having in the Basic Service Set website, meanwhile, require that website feeds back in the corresponding Basic Service Set.
Website is known the silence period available operating frequency band according to the described element message of mourning in silence in the S702, Basic Service Set, does not send data or uses the available operating frequency band of described frequency band field indication to send data in the described silence period.
In embodiments of the present invention, so-called " transmission opportunity " refers to a certain access style (the Access Category of STA or AP, AC) obtained one section duration that is used for this AC of transmission, this duration is called as a transmission opportunity (Transmit OPportunity, TXOP).
As one embodiment of the invention, if the silence period of the count area of mourning in silence that carries in the transmission opportunity that website obtains in the described Basic Service Set and the described element message of mourning in silence, mourn in silence offset field and the common indication of duration field of mourning in silence has overlapping, then website uses the available operating frequency band of described indication to send data in described overlapping time in the described Basic Service Set, otherwise, do not send data in the described silence period.
As shown in Figure 8, access point AP is as the DFSO of Basic Service Set, sends the element message of mourning in silence by broadcasting a beacon frame (Beacon frame), arranged to mourn in silence for three times.Website 1 (STA1), the interior website 2 (STA2) of Basic Service Set and the interior website 3 (STA3) of Basic Service Set are preserved the relevant parameter that each field represents in the element message of mourning in silence (the element message of mourning in silence) that needs of mourning in silence for three times separately in the Basic Service Set after receiving beacon frame.
Before mourning in silence for the first time, website 1 (STA1) obtains TXOP in the Basic Service Set, and this TXOP overlaps with the duration section of mourning in silence of mourning in silence for the first time.Website 1 (STA1) obtains the chance at the transmission of data overlapping time in the Basic Service Set, uses the available work frequency range of available band (Band) field indication in the element message of mourning in silence to send data to AP in described overlapping time.
In the silence period second time, website 2 (STA2) obtains TXOP in the Basic Service Set, and should and this TXOP overlap with the duration section of mourning in silence of mourning in silence for the second time.Website 2 (STA2) obtains the chance at the transmission of data overlapping time in the Basic Service Set, uses the available work frequency range of available band (Band) field indication in the element message of mourning in silence to send data to AP in described overlapping time.
In the present embodiment, website is according to the transmission opportunity that obtains and the element message of mourning in silence of described expansion in the Basic Service Set, after using the available operating frequency band transmission data of described frequency band field indication, if the described duration of mourning in silence of mourning in silence duration field indication finishes, then described website uses Whole frequency band to send data.Take accompanying drawing 8 as example, before mourning in silence for the third time, website 3 (STA3) obtains TXOP in the Basic Service Set, and this TXOP comprises the duration section of mourning in silence of mourning in silence for the third time.Website 3 (STA3) uses the available work frequency range of available band (Band) field indication in the element message of mourning in silence to send data to AP in the silence period in the Basic Service Set.
Need to prove, among the embodiment of the data transmission method under the silent mode shown in the accompanying drawing 8, in the silence period, AP can only receive data, does not send data, namely, in the silence period, AP does not carry out the transmission of any data or the data that receive is fed back, and for example, website sends probing response frame etc. in the Basic Service Set; On the other hand, in the silence period, website (STA) also can be under an embargo and require AP to feed back to this website in the Basic Service Set.
Data transmission method under the silent mode of accompanying drawing 8 examples as can be known, because the element message of mourning in silence of the expansion that website can send according to transmission opportunity and the Basic Service Set central location of acquisition in the Basic Service Set uses available operating frequency band to send data in the silence period.Therefore, the data transmission method under the silent mode that the embodiment of the invention provides makes the interior website of Basic Service Set send data in the silence period in available operating frequency band, takes full advantage of band resource, has promoted the transmission rate of whole system.
Seeing also accompanying drawing 9, is the silent mode indicating device structural representation that the embodiment of the invention provides.This device can be the central location of Basic Service Set, for example, and access point AP etc.For convenience of explanation, only show the part relevant with the embodiment of the invention.The silent mode indicating device of accompanying drawing 9 examples comprises sending module 901, send the element message of mourning in silence for website in Basic Service Set, so that website is known the silence period available operating frequency band according to the transmission opportunity and the described element message of mourning in silence that obtain in the described Basic Service Set, do not send data or use available operating frequency band to send data in the described silence period, the described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period.Be understandable that, the website available operating frequency band is the part of whole working band in the Basic Service Set, it with Basic Service Set in the unavailable working band of website, for example, the working band that the interior AP of Basic Service Set need to measure consists of whole working band.
In another embodiment of the present invention, sending module 901 can be by sending broadcast frame, the mode such as multicast frame or unicast frame, the described element message of mourning in silence is sent to website in the described Basic Service Set, wherein, broadcast frame can be beacon frame, multicast frame can be the multi-user data frame, unicast frame can be probing response frame or alone user data frame, namely, when needs to unavailable working band (for example, be disturbed the working band with noise effect) when measuring, pass through broadcast beacon frame, the uni-cast probe response frame, the mode of alone user data frame or multicast multi-user data frame, the element message of mourning in silence of the expansion of the aforementioned indication that is packaged with available operating frequency band is carried at described beacon frame, probing response frame, in the alone user data frame or the multi-user data frame, be sent to website in the described Basic Service Set.
Need to prove, in the execution mode of above silent mode indicating device, the division of each functional module only illustrates, can be as required in the practical application, for example the facility of the configuration requirement of corresponding hardware or software implemented is considered, and the above-mentioned functions distribution is finished by different functional modules, the internal structure that is about to described silent mode indicating device is divided into different functional modules, to finish all or part of function described above.And, in the practical application, corresponding functional module in the present embodiment can be to be realized by corresponding hardware, also can be finished by the corresponding software of corresponding hardware implement, for example, aforementioned sending module, can be have carry out aforementioned in the Basic Service Set website send the hardware of the element message function of mourning in silence, transmitter for example, thus also can be to carry out general processor or other hardware units (each embodiment that this specification provides can use the foregoing description principle) that the corresponding computer program is finished aforementioned functional.
In the silent mode indicating device of accompanying drawing 9 examples, can be by increasing at least one frequency band field in the element message of mourning in silence, the indication of website available operating frequency band in the silence period Basic Service Set is filled into described at least one frequency band field, other fields in described at least one frequency band field and mourn in silence duration field and the described element message of mourning in silence consist of the element message of mourning in silence of an expansion, other fields in the described element message of mourning in silence comprise the count area of mourning in silence, the silence period field, the duration field of mourning in silence and the offset field of mourning in silence, the count area of mourning in silence herein, the silence period field, the offset field of mourning in silence, the identification field of mourning in silence, the count area of mourning in silence that the function of duration field and the length field etc. of mourning in silence or implication are mentioned with background technology of the present invention respectively, the silence period field, the offset field of mourning in silence, the identification field of mourning in silence, the duration field of mourning in silence is identical with function or the implication of length field etc., does not do herein and gives unnecessary details.
Shown in accompanying drawing 3a, can increase at least one frequency band (Band) field (being equivalent to increase a territory) in the element message of mourning in silence, for example, only increase a frequency band field.Other fields in described at least one frequency band field and the described element message of mourning in silence, for example, the mourn in silence element message of mourning in silence of expansions of formation such as counting (Quiet Count), silence period (Quiet Period), mourn in silence the duration (Quiet Duration), the skew of mourning in silence (Quiet Offset), the sign of mourning in silence (Element ID) and length (Length) field.
For accompanying drawing 3a, mourning in silence of element message indication (specifically indicated by the silence period field of the element message of mourning in silence if mourn in silence, for example, this field is " 1 ") for periodically mourning in silence, then the element message of mourning in silence of accompanying drawing 3a example can also comprise the number of times of mourning in silence (Quiet Times) field, shown in accompanying drawing 3b.The content of time digital section of mourning in silence of accompanying drawing 3b example stops to mourn in silence after being used to indicate and periodically mourning in silence through how many times.
If increase at least one frequency band field for to increase a plurality of frequency band fields in the element message of mourning in silence in the element message of mourning in silence, then be filled into the embodiment of described at least one frequency band field as the indication with website available operating frequency band in the silence period Basic Service Set, can increase a plurality of frequency band fields and organize other field groups that number equates with the number of described a plurality of frequency band fields in the element message of mourning in silence, a plurality of indications of website available operating frequency band in the described silence period Basic Service Set are filled into respectively described a plurality of frequency band field, wherein, each of described other field groups is organized other fields and is comprised the count area of mourning in silence, the silence period field, the duration field of mourning in silence and the offset field of mourning in silence, the element message of mourning in silence that is described expansion comprises other field groups that the group number equates with described a plurality of frequency band field numbers, each of described other field groups is organized other fields and is comprised the count area of mourning in silence, the silence period field, the duration field of mourning in silence and the offset field of mourning in silence, a plurality of frequency band fields of described increase and described other field groups consist of the element message of mourning in silence of a described expansion.As shown in Figure 5, if element message increases by two frequency band fields mourning in silence, for example frequency band 1 (Band1) field and frequency band 2 (Band2) field, then correspondingly, increase by two groups of other fields in the element message of mourning in silence, comprise counting 1 (the Quiet Count1) that mourn in silence, silence period 1 (Quiet Period1), mourn in silence the duration 1 (Quiet Duration1), skew 1 (Quiet Offset1) field (first group of other field) of mourning in silence and counting 2 (the Quiet Count2) that mourn in silence, silence period 2 (Quiet Period2), mourn in silence the duration 2 (Quiet Duration2), mourn in silence and be offset 2 (Quiet Offset2) field (second group of other field).
Need to prove, in embodiments of the present invention, the frequency band field of increase and time digital section of mourning in silence not necessarily are positioned at after the offset field of mourning in silence of the element message of mourning in silence, and can be any positions after the length field in the element message of mourning in silence.
In one embodiment of the invention, frequency band field binary-capable value, for example 8 binary values are indicated website available operating frequency band or unavailable working band in the described Basic Service Set of silence period, namely fill 8 binary values in the frequency band field, working band or unavailable working band that each 8 binary value can be used with regard to the website of corresponding expression silence period Basic Service Set.Shown in aforementioned table one (the table bracket represents that corresponding binary value is converted into metric value), except metric value 4 to 255 reservations will be used from now on again, metric value 0,1,2 and 3 respectively indication do not have an available operating frequency band, main 20MHz (megahertz is conspicuous) channel, main 40MHz (megahertz) channel and main 80MHz (megahertz) channel, at this moment, corresponding unavailable working band (for example, being disturbed with noise effect and the tested working band of needs) is respectively whole working band, frequency band outside main 20MHz (megahertz) channel, frequency band outside main 40MHz (megahertz) channel and auxiliary 80MHz (megahertz) channel.
Other more embodiment can referring to table two, table three and table four and corresponding explanatory note part thereof, not do herein and give unnecessary details.
In another embodiment, also website available operating frequency band or unavailable working band in available bitmap (Bitmap) the indication described Basic Service Set of silence period of frequency band field.As shown in Figure 4, use the indication of 8 binary value representation available operating frequency band, namely fill binary value in the frequency band field, the working band that website can be used in the corresponding expression in " 1 " in each binary value silence period Basic Service Set, " 0 " is with regard to the disabled working band of website in the corresponding expression silence period Basic Service Set, perhaps, otherwise, website available operating frequency band in the corresponding expression silence period Basic Service Set in " 0 " in each binary value, " 1 " is with regard to the unavailable working band of website in the corresponding expression silence period Basic Service Set.For example, the binary value of supposing the working band field is 11110000, represents that then front 4 channels of silence period can use.Easily understand, also have other compound mode, only be one herein and illustrate.
Need to prove, in the above-described embodiments, the a plurality of frequency band fields that increase and described other field groups are shared the sign of mourning in silence (Element ID) and length (Length) field, that is, a plurality of frequency band fields of increase and described other field groups consist of the element message of mourning in silence of a described expansion.So, can repeatedly mourn in silence in the element message indication of mourning in silence of an expansion, only need to send the element message of mourning in silence to website in the Basic Service Set when namely indication is repeatedly mourned in silence, compared with prior art, when indication the mourning in silence of same number of times, reduced sending the number of element message of mourning in silence, thereby improved system effectiveness and resource utilization.
902 concrete being used for by sending broadcast frame of sending module of accompanying drawing 9 examples, the mode such as multicast frame or unicast frame, the described element message of mourning in silence is sent to the website of described Basic Service Set, wherein, broadcast frame can be beacon frame (Beacon frame), multicast frame can be multi-user data frame (Data frame), unicast frame can be probing response frame (Probe Response frame) or alone user data frame, and, send the situation of the described element message of mourning in silence for multicast frame or unicast frame mode, in the present embodiment, can be that the number of website in described Basic Service Set is less or carry out when only having in the Basic Service Set website, meanwhile, require the interior website of corresponding Basic Service Set to feed back.Specifically consult accompanying drawing 6 and explanatory note thereof, do not do herein and give unnecessary details.
The silent mode indicating device of accompanying drawing 9 examples further comprises data reception module 1001, as shown in Figure 10 the silent mode indicating device that provides of another embodiment of the present invention.Data reception module 1001 is used for receiving the data that website uses available operating frequency band to send in the Basic Service Set.In other words, in the silence period, although silent mode indicating device (being AP) is being tested partly being disturbed with the working band of noise effect, but the interior website of the Basic Service Set of receiving the element message of mourning in silence that carries the working frequency range field still can send data in available operating frequency band (namely not being disturbed the working band with noise effect), carry out alternately with silent mode indicating device (being AP), so, data reception module 1001 can receive the data that website uses available operating frequency band to send in the Basic Service Set.
Seeing also accompanying drawing 11, is the data transmission device structural representation under the silent mode that provides of the embodiment of the invention.This device can be the website (Station) of Basic Service Set.For convenience of explanation, only show the part relevant with the embodiment of the invention.Data transmission device under the silent mode of accompanying drawing 11 examples comprises receiver module 1101 and data sending processing module 1102, wherein:
Receiver module 1101 is used for receiving the element message of mourning in silence;
In the present embodiment, the described element message of mourning in silence comprises at least one frequency band field, the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period, and the described element message of mourning in silence is shown in accompanying drawing 3 or accompanying drawing 5.
Data sending processing module 1102, be used for knowing that according to the element message of mourning in silence that described receiver module 1101 receives the silence period can use working band, do not send data or use the available operating frequency band of described frequency band field indication to send data in the described silence period.
In the present embodiment, so-called " transmission opportunity " refers to a certain access style (the Access Category of STA or AP, AC) obtained one section duration that is used for this AC of transmission, this duration is called as a transmission opportunity (Transmit OPportunity, TXOP).
As one embodiment of the invention, if the silence period of the count area of mourning in silence that carries in the transmission opportunity that website obtains in the described Basic Service Set and the described element message of mourning in silence, mourn in silence offset field and the common indication of duration field of mourning in silence has overlapping, then data sending processing module 1102 uses the available operating frequency band of described frequency band field indication to send data in described overlapping time, otherwise the silence period section of the count area of mourning in silence that carries in the described element message of mourning in silence, mourn in silence offset field and the common indication of duration field of mourning in silence does not send data.
As shown in Figure 8, access point AP is as the DFSO of Basic Service Set, sends the element message of mourning in silence by broadcasting a beacon frame (Beacon frame), arranged to mourn in silence for three times.The receiver module 1101 of the interior website 2 (STA2) of website 1 (STA1) Basic Service Set and the interior website 3 (STA3) of Basic Service Set is preserved the relevant parameter that each field represents in the element message of mourning in silence (the element message of mourning in silence) that needs of mourning in silence for three times separately in the Basic Service Set after receiving beacon frame.
Before mourning in silence for the first time, the data sending processing module 1102 of website 1 (STA1) obtains TXOP in the Basic Service Set, and this TXOP overlaps with the duration section of mourning in silence of mourning in silence for the first time.The data sending processing module 1102 of the website 1 (STA1) of Basic Service Set obtains the chance at described overlapping time of the transmission of data, uses the available work frequency range of available band (Band) field indication in the element message of mourning in silence to send data to AP in the silence period.
In the silence period second time, website 2 (STA2) obtains TXOP in the Basic Service Set, and this TXOP overlaps with the duration section of mourning in silence of mourning in silence for the second time.Website 2 (STA2) obtains the chance at the transmission of data overlapping time in the Basic Service Set, uses the available work frequency range of available band (Band) field indication in the element message of mourning in silence to send data to AP in described overlapping time.
In the present embodiment, website knows that according to the transmission opportunity that obtains and the described element message of mourning in silence the silence period can use working band in the Basic Service Set, after using described available operating frequency band to send data described overlapping time, if the described silence period finishes, then data sending processing module 1102 uses Whole frequency band to send data.Take accompanying drawing 8 as example, before mourning in silence for the third time, the data sending processing module 1102 of website 3 (STA3) obtains TXOP in the Basic Service Set, and this TXOP comprises the duration section of mourning in silence of mourning in silence for the third time.The data sending processing module 1102 of website 2 (STA2) uses the available work frequency range of available band (Band) field indication in the element message of mourning in silence to send data to AP in the silence period in the Basic Service Set.
The embodiment of the invention also provides the data transmission system under the silent mode, as shown in Figure 12.The system of accompanying drawing 12 examples comprises Basic Service Set central location 1201 Hes of the interior website 1202 of the Basic Service Set of accompanying drawing 11 examples and accompanying drawing 9 or accompanying drawing 10 examples, wherein:
Basic Service Set central location 1201, send the element message of mourning in silence for website in described Basic Service Set 1202, the described element message of mourning in silence comprises at least one frequency band field, and the content of described working band field is used to indicate website 1202 available operating frequency band in the described Basic Service Set of silence period;
Website 1202 in the Basic Service Set, be used for receiving the element message of mourning in silence that described Basic Service Set central location 1201 sends, know that according to the described element message of mourning in silence the silence period can use working band, do not send data or use the available operating frequency band of described frequency band field indication to send data in the described silence period.
Need to prove, the contents such as the information interaction between each module/unit of said apparatus, implementation, since with the inventive method embodiment based on same design, its technique effect that brings is identical with the inventive method embodiment, particular content can referring to the narration among the inventive method embodiment, repeat no more herein.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is to come the relevant hardware of instruction finish by program, such as following the whole bag of tricks one or more or all:
Method one:
Website sends the element message of mourning in silence in the Basic Service Set, so that website is known the silence period available operating frequency band according to the described element message of mourning in silence in the described Basic Service Set, do not send data or use available operating frequency band to send data in the described silence period, the described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period.
Method two:
Website receives the element message of mourning in silence in the Basic Service Set, and the described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band in the described Basic Service Set of silence period;
Described website is known the silence period available operating frequency band according to the described element message of mourning in silence, and does not send data or uses the available operating frequency band of described frequency band field indication to send data in the described silence period.
This program can be stored in the computer-readable recording medium, and storage medium can comprise: read-only memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc.
The above silent mode indicating means that the embodiment of the invention is provided, the data transmission method under the silent mode and device, system are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (24)

1. a silent mode indicating means is characterized in that, described method comprises:
Website sends the element message of mourning in silence in the Basic Service Set, so that website is known the silence period available operating frequency band according to the described element message of mourning in silence in the described Basic Service Set, do not send data or use described available operating frequency band to send data in the described silence period;
The described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period.
2. the method for claim 1 is characterized in that, described frequency band field is used website available operating frequency band or unavailable working band in bitmap or the binary value indication described Basic Service Set of silence period.
3. the method for claim 1, it is characterized in that, if described at least one frequency band field is mourning in silence when periodically mourning in silence of a frequency band field and the described element message indication of mourning in silence, the described element message of mourning in silence also comprises time digital section of mourning in silence, and described content of mourning in silence time digital section stops to mourn in silence after being used to indicate and periodically mourning in silence through how many times.
4. the method for claim 1, it is characterized in that, if described at least one frequency band field is a plurality of frequency band fields, then the described element message of mourning in silence comprises other field groups of equating with the number of described a plurality of frequency band fields of group number, and each of described other field groups organizes that other fields comprise the count area of mourning in silence, silence period field, the duration field of mourning in silence and the offset field of mourning in silence;
Described a plurality of frequency band field and described other field groups consist of the described element message of mourning in silence.
5. such as the described method of claim 1 to 4 any one, it is characterized in that, described in the Basic Service Set website send the described element message of mourning in silence and comprise:
By sending the mode of broadcast frame, multicast frame or unicast frame, the described element message of mourning in silence is sent to website in the described Basic Service Set.
6. method as claimed in claim 5 is characterized in that, described broadcast frame is beacon frame.
7. method as claimed in claim 5 is characterized in that, described multicast frame is the multi-user data frame.
8. method as claimed in claim 5 is characterized in that, described unicast frame is probing response frame or alone user data frame.
9. method as claimed in claim 5 is characterized in that, and is described by sending the mode of multicast frame or unicast frame, the described element message of mourning in silence is sent to the interior website of described Basic Service Set is:
Less or when only having in the Basic Service Set website when the number of website in the described Basic Service Set, the mode by multicast frame or unicast frame sends the described element message of mourning in silence, and requires that website feeds back in the corresponding Basic Service Set.
10. the data transmission method under the silent mode is characterized in that, described method comprises:
Website receives the element message of mourning in silence in the Basic Service Set, and the described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period;
Described website is known the silence period available operating frequency band according to the described element message of mourning in silence, and does not send data or uses the available operating frequency band of described frequency band field indication to send data in the described silence period.
11. method as claimed in claim 10, it is characterized in that, described website is known time silence period available operating frequency band according to the described element message of mourning in silence, and does not send data or uses the available operating frequency band transmission data of described frequency band field indication to comprise in the described silence period:
If the silence period of the count area of mourning in silence that carries in the transmission opportunity that described website obtains and the described element message of mourning in silence, mourn in silence offset field and the duration field indication of mourning in silence has overlapping, then described website uses the available operating frequency band of described indication to send data in described overlapping time, otherwise, do not send data in the described silence period.
12. such as claim 10 or 11 described methods, it is characterized in that, described website is known the silence period available operating frequency band according to the described element message of mourning in silence, use the available operating frequency band transmission data of described frequency band field indication in the described silence period after, if the described end of mourning in silence, then described website uses Whole frequency band to send data.
13. a silent mode indicating device is characterized in that, described device comprises:
Sending module, send the element message of mourning in silence for website in Basic Service Set, so that website is known the silence period available operating frequency band according to the described element message of mourning in silence in the described Basic Service Set, do not send data or use available operating frequency band to send data in the described silence period;
The described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of time silence period.
14. device as claimed in claim 13 is characterized in that, described frequency band field is used website available operating frequency band or unavailable working band in bitmap or the binary value indication described Basic Service Set of time silence period.
15. device as claimed in claim 13, it is characterized in that, if described at least one frequency band field is mourning in silence when periodically mourning in silence of a frequency band field and the described element message indication of mourning in silence, the described element message of mourning in silence also comprises time digital section of mourning in silence, and described content of mourning in silence time digital section stops to mourn in silence after being used to indicate and periodically mourning in silence through how many times.
16. device as claimed in claim 13, it is characterized in that, if described at least one frequency band field is a plurality of frequency band fields, described a plurality of frequency band fields and other field groups of equating with the number of described a plurality of frequency band fields of group number of comprising then, each of described other field groups organize that other fields comprise the count area of mourning in silence, silence period field, the duration field of mourning in silence and the offset field of mourning in silence;
Described a plurality of frequency band field and described other field groups consist of the described element message of mourning in silence.
17. such as the described device of claim 13 to 16 any one, it is characterized in that, described sending module specifically is used for by sending the mode of broadcast frame, multicast frame or unicast frame the described element message of mourning in silence being sent to website in the described Basic Service Set.
18. device as claimed in claim 17 is characterized in that, described broadcast frame is beacon frame.
19. device as claimed in claim 17 is characterized in that, described multicast frame is the multi-user data frame.
20. device as claimed in claim 17 is characterized in that, described unicast frame is probing response frame or alone user data frame.
21. device as claimed in claim 17 is characterized in that, described sending module passes through to send the mode of multicast frame or unicast frame, the described element message of mourning in silence is sent to the interior website of described Basic Service Set be:
Less or when only having in the Basic Service Set website when the number of website in the described Basic Service Set, the mode by multicast frame or unicast frame sends the described element message of mourning in silence, and requires that website feeds back in the corresponding Basic Service Set.
22. the data transmission device under the silent mode is characterized in that, described device is website in the Basic Service Set, and described device comprises:
Receiver module is used for receiving the element message of mourning in silence, and the described element message of mourning in silence comprises at least one frequency band field, and the content of described frequency band field is used to indicate website available operating frequency band or unavailable working band in the described Basic Service Set of silence period;
The data sending processing module is used for knowing the silence period available operating frequency band according to the element message of mourning in silence that described receiver module receives, and does not send data or uses the available operating frequency band of described frequency band field indication to send data in the described silence period.
23. device as claimed in claim 22, it is characterized in that, the silence period that the count area of mourning in silence that described data sending processing module specifically is used for carrying in the transmission opportunity that obtains and the described element message of mourning in silence, mourn in silence offset field and the duration field of mourning in silence are indicated has when overlapping, use the available band of described frequency band field indication to send data in described overlapping time, otherwise, do not send data in the described silence period.
24. such as claim 22 or 23 described devices, it is characterized in that, if the described end of mourning in silence, then described data sending processing module specifically is used for using Whole frequency band to send data.
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