CN103516461B - Wireless frame processing method and system - Google Patents
Wireless frame processing method and system Download PDFInfo
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- CN103516461B CN103516461B CN201210201029.7A CN201210201029A CN103516461B CN 103516461 B CN103516461 B CN 103516461B CN 201210201029 A CN201210201029 A CN 201210201029A CN 103516461 B CN103516461 B CN 103516461B
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Abstract
The invention discloses a kind of wireless frame processing method and systems, this method comprises: sending direction recipient sends radio frames, wherein, sender is the website that basic service is concentrated and recipient is the access point that basic service is concentrated, or sender is the access point that basic service is concentrated and the website that recipient is basic service concentration, the first address information subdomain and the second address information subdomain are carried in the physical frame header signaling domain of radio frames, first address information subdomain is for identifying access point, and the second address information subdomain is for identifying website；Recipient determines that radio frames are destined to the radio frames of itself according to the first address information subdomain and/or the second address information subdomain.The present invention can be to avoid the waste of address information subdomain.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of wireless frame processing method and system.
Background technique
Currently, in field of wireless, and WLAN (Wireless Local Area Network, referred to as
WLAN) fast-developing, the whole world is growing to the covering demand of WLAN.Institute of Electrical and Electric Engineers (Institute for
Electrical and Electronic Engineers, referred to as IEEE) industrial specification 802.11 working group successively define
802.11a, 802.11b, a series of WLAN technical standards such as 802.11g mainly formulate physical layer protocol (Physical Layer
Protocol, referred to as PHY) and media access control (Media Access Control, referred to as MAC) layer specification.Then
Occur other task groups again, is dedicated to development and is related to the specification of existing 802.11 technological improvement, for example, 802.11ah task groups
It is utilized mainly for the resource for exempting from licensed band below 1GHz frequency range, for supporting smart grid, sensor network and bee
The new applications such as nest net load balancing.
In existing 802.11 technical specification, the basic network architecture is an access point (Access Point, letter
Claim AP) and with the websites (non-AP Station, abbreviation STA) of the associated multiple non-access point of AP constitute a basic clothes
Business collection (Basic Service Set, abbreviation BSS), each basic service set has a basic service set identifier (Basic
Service Set Identifier, referred to as BSSID).Each website can be using MAC Address as its identifier, can also
It is marked with the associated identifiers (Association Identifier, abbreviation AID) using AP associated therewith distribution as it
Know symbol, also can be used to the result of associated identifiers progress Mathematical treatment as its identifier, Mathematical treatment includes truncation (part
AID), or carry out hash etc., processing method is that AP and website are known, is herein collectively referred to as partial association identifier (partial
AID) it is used as its identifier；Access point can be using BSSID as its identifier, can also be preset using a system
Particular value is identified as the associated identifiers of AP, also be can be used and is carried out the result of Mathematical treatment as its mark to associated identifiers
Know symbol, Mathematical treatment includes truncation (part AID), or carry out hash etc., processing method is that AP and website are known, is united herein
Referred to as partial association identifier (partial AID) is used as its identifier, while can also simplify to BSSID, referred to as part
Basic service set identifier (partial BSSID) this simplify method and the simplification method of associated identifiers can it is identical can also be with
It is different.
802.11ah task groups are when formulating its technical specification at present, it is desirable to which the technical specification of 802.11ah is continued to use as far as possible
The technical specification for 802.11 series having, while in order to meet attribute specific to 802.11ah itself, it can also be to existing skill
Art specification does technical specification suitably modified or that formulation is new.802.11ah task groups determine that the bandwidth of operation of technology can be at present
For 1/2/4/8/16MHz, using orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing,
Referred to as OFDM) modulation technique, each OFDM symbol (including long protection interval) duration is 40 μ s, this is relatively existing
The duration enlargement of each OFDM symbol 10 times in 802.11 series standards.In other words, identical information is sent, is used
The equipment power dissipation of 802.11ah technical specification will be 10 times for meeting existing 802.11 technical specification equipment.Therefore, in order to meet
High requirements of the equipment of 802.11ah technical specification in terms of energy conservation need to have come with the more brief mode of intelligence transmission
At corresponding function.
In existing 802.11 technical specification, the signaling domain of the physical frame header of a radio frames generally comprises LENGTH/
DURATION subdomain, STBC subdomain, demodulation coding (Modulation and Coding Scheme, referred to as MCS) subdomain,
Type of coding subdomain, CRC (cyclic redundancy code) subdomains such as subdomain and reservation bit, this signaling domain is herein
Referred to as general signaling domain is generally followed by physical frame load after general signaling domain.Physical layer frame load mainly carry be
The data of MAC layer, and the information of certain subdomains in signaling domain refers to usually both for physical frame load, such as MCS subdomain
Show that physical frame loads the Modulation and Coding Scheme used.If the not carries physical-layer load of a radio frames, physical frame header
Signaling domain in certain subdomains such as MCS subdomain if without what meaning.Thus in the case that load information amount is fewer,
The information in signaling domain can be compressed, and load information is carried in signaling domain.But in current wireless frame format, signaling
The bit number of domain carrying information is limited, and the identification information of transmitting-receiving side can be carried in load information, this information occupies
Bit number it is more, such as MAC Address (48 bits), BSSID (48 bits), AID (13 bits) etc., even if using compression
Identification information afterwards, it would still be possible to cause the bit number in signaling domain to be not enough to carry necessary letter because the bit number used is excessive
Breath.
In the related technology, the information that the first address information subdomain and the second address information subdomain are carried is according to sender
With recipient and determination.For example, the first address information subdomain is carried when sender is website and recipient is access point
Information be website, the information that the second address information subdomain is carried is access point；When sender is access point and recipient is
When website, the information that the first address information subdomain is carried is access point, and the information that the second address information subdomain is carried is station
Point.In this way, just producing following problem, it is assumed that the information for carrying website needs 8 bit address information subdomains and for holding
The information for carrying access point needs 13 bit address information subdomains, in order to meet above-mentioned carrying demand, the first address information subdomain and the
Double-address information subdomain requires each reserved 13 totally 26 bit address information subdomains.But no matter when sender is website and is connect
When debit is access point, or when sender is access point and recipient is website, the address information applied to is sub
Domain is only by above-mentioned 8 plus 13 21 obtained.Obviously, above-mentioned first address information subdomain and the carrying of the second address information subdomain
The mode of information causes the waste of address information subdomain.
Summary of the invention
The embodiment of the invention provides a kind of wireless frame processing method and systems, at least to solve the first ground in the related technology
The problem of mode of location information subdomain and the second address information subdomain carrying information causes the waste of address information subdomain.
The embodiment of the invention provides a kind of wireless frame processing methods, comprising: and sending direction recipient sends radio frames,
In, sender is the website that basic service is concentrated and recipient is the access point of basic service concentration or sender is basic
Access point and recipient in services set are the websites that basic service is concentrated, and the is carried in the physical frame header signaling domain of radio frames
One address information subdomain and the second address information subdomain, the first address information subdomain is for identifying access point, the second address information
Subdomain is for identifying website；Recipient determines that radio frames are according to the first address information subdomain and/or the second address information subdomain
It is sent to the radio frames of itself.
Further, the information carried in the first address information subdomain includes following one: the part of access point takes substantially
Business set identifier, the associated identifiers of the partial association identifier of access point, access point；It is carried in second address information subdomain
Information includes following one: the partial association identifier of the associated identifiers of website, website.
Further, when sender is website and recipient is access point, recipient is according to the first address information subdomain
And/or second address information subdomain to determine that radio frames are destined to itself radio frames include: that recipient parses the first address letter
Cease subdomain；If the information and the part basic service set identifier of itself of the carrying of the first address information subdomain or the portion of itself
Divide the matching of one of associated identifiers or the associated identifiers of itself, it is determined that radio frames are destined to the radio frames of oneself.
Further, when sender is website and recipient is access point, recipient is according to the first address information subdomain
And/or second address information subdomain to determine that radio frames are destined to itself radio frames include: that recipient parses the second address letter
Cease subdomain；If the information of the second address information subdomain carrying with the associated identifiers of itself associated website or and from
One of partial association identifier of the associated website of body matching, it is determined that radio frames are to be sent to itself associated website
The radio frames of oneself.
Further, when sender is access point and recipient is website, recipient is according to the first address information subdomain
And/or second address information subdomain to determine that radio frames are destined to itself radio frames include: that recipient parses the second address letter
Cease subdomain；If the information and the associated identifiers of itself of the carrying of the second address information subdomain or the partial association of itself identify
One of symbol matching, it is determined that radio frames are destined to the radio frames of oneself.
Further, when sender is access point and recipient is website, recipient is according to the first address information subdomain
And/or second address information subdomain to determine that radio frames are destined to itself radio frames include: that recipient parses the first address letter
Cease subdomain and the second address information subdomain；If the information of the first address information subdomain carrying and the portion of the access point associated by itself
Point basic service set identifier or the partial association identifier of the access point associated by itself or connecing associated by itself
One of associated identifiers of access point matching, also, the second address information subdomain carrying information and itself associated identifiers,
Or one of partial association identifier matching, it is determined that radio frames are that the access point in the basic service set where itself is sent
To the radio frames of itself.
Further, position of the first address information subdomain in physical frame header signaling domain and the bit number used are fixed
's.
Further, position of the second address information subdomain in physical frame header signaling domain and the bit number used are fixed
's.
Further, the first address information subdomain bit number used in physical frame header signaling domain and the second address information
Subdomain bit number used in physical frame header signaling domain is different.
The embodiment of the invention provides a kind of wireless frame processing systems, including sender and recipient, wherein sender is
The website and recipient that basic service is concentrated are the access points that basic service is concentrated or sender is connecing for basic service concentration
Access point and recipient are the websites that basic service is concentrated, and sender includes: sending module, for sending radio frames to recipient,
Wherein, the first address information subdomain and the second address information subdomain, the first ground are carried in the physical frame header signaling domain of radio frames
Location information subdomain is for identifying access point, and the second address information subdomain is for identifying website；Recipient includes: determination module, is used
In determining that radio frames are destined to the radio frames of itself according to the first address information subdomain and/or the second address information subdomain.
In the embodiment of the present invention, no matter when sender is website and recipient is access point, or when sender is to connect
Access point and when recipient is website, it is access point, the second address letter that the information that the first address information subdomain is carried, which is all fixed,
It is website that the information that breath subdomain is carried, which is all fixed,.Even if in this way, for carry website address information subdomain digit with
Digit for carrying the address information subdomain of access point is different, address information subdomain need not be also reserved too much, to avoid
The waste of address information subdomain.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of wireless frame processing method according to an embodiment of the present invention；
Fig. 2 is the schematic diagram of beam forming report poll frame format according to an embodiment of the present invention；
Fig. 3 is the schematic diagram of the format of PS-Poll frame according to an embodiment of the present invention；
Fig. 4 is the structural block diagram of wireless frame processing system according to an embodiment of the present invention.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that in the feelings not conflicted
Under condition, the features in the embodiments and the embodiments of the present application be can be combined with each other.
Repeated data processing method in following embodiment can using on the server, the server can be exclusively used in into
The processing of row repeated data, naturally it is also possible to be applied on one group of server.Or it can also be used as a mould in server
Block and the server for executing other function are public.
The present invention provides a kind of wireless frame processing method, Fig. 1 is wireless frame processing method according to an embodiment of the present invention
Flow chart one, as shown in Figure 1, including the following steps, namely S102 to step S104.
Step S102, sending direction recipient send radio frames, wherein sender is the website that basic service is concentrated and connects
Debit is the access point that basic service is concentrated or sender is the access point of basic service concentration and recipient is basic service
The website of concentration carries the first address information subdomain and the second address information subdomain in the physical frame header signaling domain of radio frames,
First address information subdomain is for identifying access point, and the second address information subdomain is for identifying website.
Step S104, recipient determine that radio frames are according to the first address information subdomain and/or the second address information subdomain
It is sent to the radio frames of itself.
In the related technology, the mode of the first address information subdomain and the second address information subdomain carrying information causes address
The waste of information subdomain.In the embodiment of the present invention, no matter when sender is website and recipient is access point, or when transmission
Side is access point and when recipient is website, and it is access point that the information that the first address information subdomain is carried, which is all fixed, second
It is website that the information that address information subdomain is carried, which is all fixed,.Even if in this way, the address information subdomain for carrying website
Digit is different from for carrying the digit of address information subdomain of access point, need not also reserve address information subdomain too much, from
And avoid the waste of address information subdomain.
Further, the information carried in the first address information subdomain includes following one: the part of access point takes substantially
Business set identifier, the associated identifiers of the partial association identifier of access point, access point；It is carried in second address information subdomain
Information includes following one: the partial association identifier of the associated identifiers of website, website.
Further, when sender is website and recipient is access point, recipient is according to the first address information subdomain
And/or second address information subdomain to determine that radio frames are destined to itself radio frames include: that recipient parses the first address letter
Cease subdomain；If the information and the part basic service set identifier of itself of the carrying of the first address information subdomain or the portion of itself
Divide the matching of one of associated identifiers or the associated identifiers of itself, it is determined that radio frames are destined to the radio frames of oneself.
Further, when sender is website and recipient is access point, recipient is according to the first address information subdomain
And/or second address information subdomain to determine that radio frames are destined to itself radio frames include: that recipient parses the second address letter
Cease subdomain；If the information of the second address information subdomain carrying with the associated identifiers of itself associated website or and from
One of partial association identifier of the associated website of body matching, it is determined that radio frames are to be sent to itself associated website
The radio frames of oneself.
Further, when sender is access point and recipient is website, recipient is according to the first address information subdomain
And/or second address information subdomain to determine that radio frames are destined to itself radio frames include: that recipient parses the second address letter
Cease subdomain；If the information and the associated identifiers of itself of the carrying of the second address information subdomain or the partial association of itself identify
One of symbol matching, it is determined that radio frames are destined to the radio frames of oneself.
Further, when sender is access point and recipient is website, recipient is according to the first address information subdomain
And/or second address information subdomain to determine that radio frames are destined to itself radio frames include: that recipient parses the first address letter
Cease subdomain and the second address information subdomain；If the information of the first address information subdomain carrying and the portion of the access point associated by itself
Point basic service set identifier or the partial association identifier of the access point associated by itself or connecing associated by itself
One of associated identifiers of access point matching, also, the second address information subdomain carrying information and itself associated identifiers,
Or one of partial association identifier matching, it is determined that radio frames are that the access point in the basic service set where itself is sent
To the radio frames of itself.
Further, position of the first address information subdomain in physical frame header signaling domain and the bit number used are fixed
's.
Further, position of the second address information subdomain in physical frame header signaling domain and the bit number used are fixed
's.
Further, the first address information subdomain bit number used in physical frame header signaling domain and the second address information
Subdomain bit number used in physical frame header signaling domain is different.
It is described in detail below in conjunction with the realization process of preferred embodiment a pair of embodiment of the present invention.
Preferred embodiment one
The present embodiment is by taking the radio frames that the active redesigned is initiated as an example.
It is assumed that access point AP-1 has set up a basic service set, STA-1 is associated with AP-1.
STA-1 sends a radio frames to AP-1, this radio frames is the brief radio frames without physical layer frame load,
It is the radio frames being carried to the load information of the radio frames of original identical function in physical layer frame head signaling domain, specifically, institute
Stating radio frames only includes three domains: short training sequence domain, long training sequence domain and signaling domain, wherein N number of bit in signaling domain
It is dedicated as the instruction of frame type, indicates that the function of this radio frames, the specific value of N number of bit indicate the specific function of this radio frames
Can, N-bit can be the bit of MCS subdomain, and the first address information subdomain in signaling domain occupies 9 bits, carry AP-1's
Part BSSID, the second address information subdomain occupy 13 bits, carry the associated identifiers AID of STA-1, signaling domain also carries
Tail bit and cyclic redundancy check sequence, furthermore according to the function of specific radio frames, it is corresponding that signaling domain can also carry other
Information.
AP-1 receives above-mentioned radio frames, detects cyclic redundancy check sequence if mistake and abandons this frame, if school
Correct, then to be used to indicate frame type by parsing signaling domain N number of bit is tested, concludes the concrete function of this radio frames, and signaling
The first address information subdomain in domain carries information and matches with the part BSSID of oneself, then AP-1 is waiting a short interframe
Behind interval, with the concrete function of radio frames accordingly, and according to the corresponding instruction information in signaling domain to the signaling domain of this radio frames
In the second address information subdomain instruction STA-1 send response frame.
After remaining website receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame, such as
Fruit verification is correct, then the N number of bit for being used to indicate frame type by parsing signaling domain is concluded the concrete function of this radio frames, believed
The first address information subdomain carrying information in domain is enabled to match with the part BSSID of oneself associated AP, the second address information
Domain carries information and oneself AID is mismatched or the part of the first address information subdomain carrying information and oneself associated AP
BSSID is mismatched, the second address information subdomain carry information and oneself AID mismatch or location information subdomain 1 carry information and
The part BSSID of oneself associated AP is mismatched, the second address information subdomain carries information and matches with oneself AID, then determines this
Radio frames are not destined to the radio frames of oneself, abandon this frame, and new radio frames is waited to indicate, and carry out letter according to new instruction
Road access can carry out letter according to existing rule if not detecting new radio frames instruction in time T predetermined
Road access.Time T predetermined can be set as the case may be.
After remaining access point receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame,
If verification is correct, N number of bit of frame type is used to indicate in signaling domain by parsing, or by parsing signaling domain
MCS subdomain value concludes the concrete function of this radio frames, the first address information subdomain in signaling domain carry information and oneself
Part BSSID is mismatched, and abandons this frame, new radio frames is waited to indicate, and carries out channel access according to new instruction, if
New radio frames instruction is not detected in time T predetermined, then can carry out channel access according to existing rule.It is fixed in advance
The time T of justice can be set as the case may be.
Preferred embodiment two
This preferred embodiment two describes website for requesting feedback channel metrical information and is transmitted by brief information
Receive the radio frames from access point.
When carrying out closed loop transmission, when such as Beamforming transmission, initiator Beamformer needs to know itself and reception
Channel information between square Beamformee, then Beamformee is just needed to carry out channel measurement and by channel measurement information
Beamformer is fed back to, if Beamformee is not fed back immediately after carrying out channel measurement or Beamformer connects
The channel measurement feedback information received when the error occurs, then Beamformer will send beam forming report poll
(Beamforming Report Poll) frame, request Beamformee feed back whole channel measurement informations or Beamformer
Fail the channel measurement information part being properly received.Fig. 2 is beam forming report poll frame format according to an embodiment of the present invention
Schematic diagram, as shown in Fig. 2, beam forming report poll frame mac frame load it is less, this frame can be redesigned, utilization
Less resource completes its function.
It is assumed that access point has set up a basic service set, website is associated with access point, carries out Beamforming biography
Defeated, Beamformer (sender) is access point, and Beamformee (recipient) is website, while website completes channel measurement
Afterwards not at once to access point feedback channel metrical information.Over time, access point needs to carry out with website
Beamforming transmission, but access point does not have the efficient channel information between access point and website.
At this point, access point sends a radio frames, that is, beam forming report with request feedback channel metrical information function
Poll frame, this radio frames only include three domains: short training sequence domain, long training sequence domain and signaling domain, wherein the N in signaling domain
A bit is dedicated as the instruction of frame type, and N is greater than the integer equal to 1, and the value of N number of bit indicates that this frame is one and has and ask
It negates and presents the radio frames of channel measurement information function, the first address information subdomain in signaling domain occupies 9 bits, carries access
The part BSSID of point, the second address information subdomain occupy 13 bits, the associated identifiers AID of website are carried, in addition, this nothing
Feedback segmentation is also carried in line frame signaling domain retransmits all segmentations of message bit pattern (4 bits or 8 bits) indication feedback, feedback band
Width instruction information (2 bits are used to indicate maximum bandwidth workable for feedback channel information) tail bit and cyclic redundancy school
Sequence is tested, this verification sequence can be following thrins, but be that receiving-transmitting sides are appointed in advance, including individually for letter
The verification sequence in domain is enabled, or is the joint verification sequence of part BSSID for signaling domain and additional information, or be directed to
The joint verification sequence that signaling domain and additional information are BSSID.
Website receives above-mentioned radio frames, detects cyclic redundancy check sequence if mistake and abandons this frame, if school
It tests correctly, then by being used to indicate N number of bit of frame type in parsing signaling domain, concludes that this radio frames is with request feedback letter
The radio frames of road metrical information function, and the first address information subdomain in signaling domain carries information and oneself associated access point
Part BSSID matching, while the second address information subdomain carry information matched with the AID of oneself, then determine that this radio frames is
The access point in basic service set where oneself is sent to the radio frames of oneself, then website is waiting a short interFrameGap
Afterwards, complete channel measurement information is fed back into access point according to the instruction that feedback segmentation in signaling domain retransmits message bit pattern.
After remaining website receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame, such as
Fruit verification is correct, then by being used to indicate N number of bit of frame type in parsing signaling domain, concludes that this radio frames is with please negate
The radio frames of channel measurement information function are presented, the first address information subdomain in signaling domain carries information and oneself associated access
The part BSSID matching of point, the second address information subdomain carry information and oneself AID is mismatched or the first address information
Domain carries information and the part BSSID of oneself associated access point is mismatched, the second address information subdomain carries information and oneself
AID is mismatched or the first address information subdomain carries information and the part BSSID mismatch of oneself associated AP, the second ground
Location information subdomain carries information and matches with oneself AID, then determines that this radio frames is not destined to the radio frames of oneself, abandon this
Frame waits new radio frames to indicate, and carries out channel access according to new instruction, if do not had in time T predetermined
It detects new radio frames instruction, then can carry out channel access according to existing rule.Time T predetermined can be m short
Frame interframe space adds a maximum radio frame transmission time, and wherein m value is the integer more than or equal to 1.
After remaining access point receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame,
If verification is correct, by being used to indicate N number of bit of frame type in parsing signaling domain, conclude that this radio frames is with request
The radio frames of feedback channel metrical information function, the first address information subdomain in signaling domain carry the part of information and oneself
BSSID is mismatched, and abandons this frame, new radio frames is waited to indicate, and carries out channel access according to new instruction, if preparatory
New radio frames instruction is not detected in the time T of definition, then can carry out channel access according to existing rule.It is predetermined
Time T can be m short frame interframe spaces and add a maximum radio frame transmission time, and wherein m value is whole more than or equal to 1
Number.
Preferred embodiment three
This preferred embodiment two describes website for requesting feedback channel metrical information and is transmitted by brief information
Receive the radio frames from access point.The difference of this preferred embodiment three and preferred embodiment two is that website only determines the second ground
Location information subdomain carries information and itself whether matched operation.
When carrying out closed loop transmission, when such as Beamforming transmission, initiator Beamformer needs to know itself and reception
Channel information between square Beamformee, then Beamformee is just needed to carry out channel measurement and by channel measurement information
Beamformer is fed back to, if Beamformee is not fed back immediately after carrying out channel measurement or Beamformer connects
The channel measurement feedback information received when the error occurs, then Beamformer will send beam forming report poll
(Beamforming Report Poll) frame, request Beamformee feed back whole channel measurement informations or Beamformer
Fail the channel measurement information part being properly received, beam forming report poll frame format is as shown in Fig. 2, can by Fig. 2 at present
To find out, the mac frame load of beam forming report poll frame is less, can redesign to this frame, complete using less resource
At its function.
It is assumed that access point has set up a basic service set, website is associated with access point, carries out Beamforming biography
Defeated, Beamformer (sender) is access point, and Beamformee (recipient) is website, while website completes channel measurement
Afterwards not at once to access point feedback channel metrical information.Over time, access point needs to carry out with website
Beamforming transmission, but access point does not have the efficient channel information between access point and website.
At this point, access point sends a radio frames, that is, beam forming report with request feedback channel metrical information function
Poll frame, this radio frames only include three domains: short training sequence domain, long training sequence domain and signaling domain, wherein the N in signaling domain
A bit is dedicated as the instruction of frame type, and N is greater than the integer equal to 1, and the value of N number of bit indicates that this frame is one and has and ask
It negates and presents the radio frames of channel measurement information function, the first address information subdomain in signaling domain occupies 9 bits, carries access
The part BSSID of point, the second address information subdomain occupy 13 bits, the associated identifiers AID of website are carried, in addition, this nothing
Feedback segmentation is also carried in line frame signaling domain retransmits all segmentations of message bit pattern (4 bits or 8 bits) indication feedback, feedback band
Width instruction information (2 bits are used to indicate maximum bandwidth workable for feedback channel information) tail bit and cyclic redundancy school
Sequence is tested, this verification sequence can be following thrins, but be that receiving-transmitting sides are appointed in advance, including individually for letter
The verification sequence in domain is enabled, or is the joint verification sequence of part BSSID for signaling domain and additional information, or be directed to
The joint verification sequence that signaling domain and additional information are BSSID.
Website receives above-mentioned radio frames, detects cyclic redundancy check sequence if mistake and abandons this frame, if school
It tests correctly, then by being used to indicate N number of bit of frame type in parsing signaling domain, concludes that this radio frames is with request feedback letter
The radio frames of road metrical information function, and the second address information subdomain in signaling domain carries information and matches with the AID of oneself, then
Determine that this radio frames is destined to the radio frames of oneself, then website is after waiting a short interFrameGap, according in signaling domain
Complete channel measurement information is fed back to the signaling domain of received radio frames by the instruction that feedback segmentation retransmits message bit pattern
In the first address information subdomain instruction access point.
After remaining website receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame, such as
Fruit verification is correct, then by being used to indicate N number of bit of frame type in parsing signaling domain, concludes that this radio frames is with please negate
The radio frames of channel measurement information function are presented, the second address information subdomain carries information and oneself AID is mismatched, and determines that this is wireless
Frame is not destined to the radio frames of oneself, then this abandons this frame, and new radio frames is waited to indicate, and carries out letter according to new instruction
Road access can carry out letter according to existing rule if not detecting new radio frames instruction in time T predetermined
Road access.Time T predetermined can be m short frame interframe spaces and add a maximum radio frame transmission time, and wherein m takes
Value is the integer more than or equal to 1.
After remaining access point receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame,
If verification is correct, by being used to indicate N number of bit of frame type in parsing signaling domain, conclude that this radio frames is with request
The radio frames of feedback channel metrical information function, the first address information subdomain in signaling domain carry the part of information and oneself
BSSID is mismatched, and abandons this frame, new radio frames is waited to indicate, and carries out channel access according to new instruction, if preparatory
New radio frames instruction is not detected in the time T of definition, then can carry out channel access according to existing rule.It is predetermined
Time T can be m short frame interframe spaces and add a maximum radio frame transmission time, and wherein m value is whole more than or equal to 1
Number.
Preferred embodiment four
This preferred embodiment describes access point for requesting feedback channel metrical information and is transmitted by brief information
Receive the radio frames from website.
When carrying out closed loop transmission, when such as Beamforming transmission, initiator Beamformer needs to know itself and reception
Channel information between square Beamformee, then Beamformee is just needed to carry out channel measurement and by channel measurement information
Beamformer is fed back to, if Beamformee is not fed back immediately after carrying out channel measurement or Beamformer connects
The channel measurement feedback information received when the error occurs, then Beamformer will send beam forming report poll
(Beamforming Report Poll) frame, request Beamformee feed back whole channel measurement informations or Beamformer
Fail the channel measurement information part being properly received, beam forming report poll frame format is as shown in Fig. 2, can by Fig. 2 at present
To find out, the mac frame load of beam forming report poll frame is less, can redesign to this frame, complete using less resource
At its function.
It is assumed that access point has set up a basic service set, website is associated with access point, carries out Beamforming biography
Defeated, Beamformer (sender) is website, and when Beamformee (i.e. recipient) is access point, while access point is anti-by channel
Feedforward information is divided into N sections and is fed back, and the value of N is the integer more than or equal to 1 and less than or equal to 4 or 8, and website is only properly received
The channel measurement information of n sections of AP feedback is arrived.
At this point, website sends a radio frames, that is, beam forming report wheel with request feedback channel metrical information function
Asking this radio frames of frame only includes three domains: short training sequence domain, long training sequence domain and signaling domain, wherein N number of in signaling domain
Bit is dedicated as the instruction of frame type, and N is greater than the integer equal to 1, and the value of N number of bit indicates that this frame is one and has request
The radio frames of feedback channel metrical information function, the first address information subdomain in signaling domain occupy 9 bits, carry access point
Part BSSID, the second address information subdomain occupies 13 bits, carries the associated identifiers AID of website, in addition, this is wireless
Also carried in frame signaling domain feedback segmentation retransmit message bit pattern indication feedback be not properly received segmentation (4 bits or 8 bits),
Feedback bandwidth indicates information (2 bits are used to indicate maximum bandwidth workable for feedback channel information) tail bit and circulation
Redundancy check sequence, this verification sequence can be following thrins, but what receiving-transmitting sides were appointed in advance, including independent needle
To the verification sequence in signaling domain, or for the joint verification sequence that signaling domain and additional information are part BSSID, either
The joint verification sequence for being BSSID for signaling domain and additional information.
Access point receives above-mentioned radio frames, detects cyclic redundancy check sequence if mistake and abandons this frame, if
Verification is correct, then by being used to indicate N number of bit of frame type in parsing signaling domain, concludes that this radio frames is to feed back with request
The radio frames of channel measurement information function, and the first address information subdomain in signaling domain carries the part of information and oneself
BSSID matching, then access point retransmits message bit pattern after waiting a short interFrameGap, according to feedback segmentation in signaling domain
It indicates the channel measurement information divided reset that is not properly received of last time transmission to the in the signaling domain of the radio frames received
The website of double-address information subdomain instruction.
After remaining website receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame, such as
Fruit verification is correct, then by being used to indicate N number of bit of frame type in parsing signaling domain, concludes that this radio frames is with please negate
The radio frames of channel measurement information function are presented, the first address information subdomain in signaling domain carries information and oneself associated AP's
Part BSSID matching, the second address information subdomain carry information and oneself AID is mismatched or the first address information subdomain is taken
The part BSSID of information and oneself associated AP are mismatched, the second address information subdomain does not carry information and oneself AID not
Match or the first address information subdomain carries the part BSSID mismatch of information and oneself associated AP, the second address information
Domain carries information and matches with oneself AID, then determines that this radio frames is not destined to the radio frames of oneself, abandons this frame, waits new
Radio frames instruction, and channel access is carried out according to new instruction, if do not detected in time T predetermined new
Radio frames instruction then can carry out channel access according to existing rule.Time T predetermined can be m short frame interframe spaces
Add a maximum radio frame transmission time, wherein m value is the integer more than or equal to 1.
After remaining access point receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame,
If verification is correct, by being used to indicate N number of bit of frame type in parsing signaling domain, conclude that this radio frames is with request
The radio frames of feedback channel metrical information function, the first address information subdomain in signaling domain carry the part of information and oneself
BSSID is mismatched, and abandons this frame, new radio frames is waited to indicate, and carries out channel access according to new instruction, if preparatory
New radio frames instruction is not detected in the time T of definition, then can carry out channel access according to existing rule.It is predetermined
Time T can be m short frame interframe spaces and add a maximum radio frame transmission time, and wherein m value is whole more than or equal to 1
Number.
Preferred embodiment five
This preferred embodiment describes access point for requesting feedback channel metrical information and is transmitted by brief information
Receive the radio frames from website.The difference of this preferred embodiment five and preferred embodiment three is that access point is only determined the
One address information subdomain carries information and itself whether matched operation.
When carrying out closed loop transmission, when such as Beamforming transmission, initiator Beamformer needs to know itself and reception
Channel information between square Beamformee, then Beamformee is just needed to carry out channel measurement and by channel measurement information
Beamformer is fed back to, if Beamformee is not fed back immediately after carrying out channel measurement or Beamformer connects
The channel measurement feedback information received when the error occurs, then Beamformer will send beam forming report poll
(Beamforming Report Poll) frame, request Beamformee feed back whole channel measurement informations or Beamformer
Fail the channel measurement information part being properly received, beam forming report poll frame format is as shown in Fig. 2, can by Fig. 2 at present
To find out, the mac frame load of beam forming report poll frame is less, can redesign to this frame, complete using less resource
At its function.
It is assumed that access point has set up a basic service set, website is associated with access point, carries out Beamforming biography
Defeated, Beamformer (sender) is website, and when Beamformee (i.e. recipient) is access point, while access point is anti-by channel
Feedforward information is divided into N sections and is fed back, and the value of N is the integer more than or equal to 1 and less than or equal to 4 or 8, and website is only properly received
The channel measurement information of n sections of AP feedback is arrived.
At this point, website sends a radio frames, that is, beam forming report wheel with request feedback channel metrical information function
Asking this radio frames of frame only includes three domains: short training sequence domain, long training sequence domain and signaling domain wherein carry in signaling domain
MCS subdomain, and the specific value of MCS subdomain indicates that this frame is one and has the wireless of request feedback channel metrical information function
Frame, the first address information subdomain in signaling domain occupy 9 bits, carry the part BSSID of access point, the second address information
Domain occupies 13 bits, the associated identifiers AID of website is carried, in addition, also carrying feedback segmentation weight in this radio frames signaling domain
Pass segmentation (4 bits or 8 bits), feedback bandwidth instruction information (2 bits, the use that message bit pattern indication feedback is not properly received
The maximum bandwidth workable for indication feedback channel information) tail bit and cyclic redundancy check sequence, this verification sequence can
To be following thrins, but what receiving-transmitting sides were appointed in advance, including the verification sequence individually for signaling domain, either
The joint verification sequence for being part BSSID for signaling domain and additional information, or be for signaling domain and additional information
The joint verification sequence of BSSID.
Access point receives above-mentioned radio frames, detects cyclic redundancy check sequence if mistake and abandons this frame, if
Verification is correct, then by MCS subdomain value in parsing signaling domain, concludes that this radio frames is with request feedback channel metrical information
The radio frames of function, and the first address information subdomain in signaling domain carries information and matches with the part BSSID of oneself, while the
Double-address information subdomain carries information for the AID with oneself associated website, then access point is between waiting a short interframe
Every channel measurement information that is rear, not being properly received last time transmission according to the instruction that feedback segmentation in signaling domain retransmits message bit pattern
Divided reset is to website.
After remaining website receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame, such as
Fruit verification is correct, then by MCS subdomain value in parsing signaling domain, concludes that this radio frames is with request feedback channel measurement letter
The radio frames of function are ceased, the first address information subdomain in signaling domain carries part BSSID of information and oneself associated AP
Match, the second address information subdomain carries information and oneself AID is mismatched or the first address information subdomain carries information and oneself
The part BSSID of associated AP is mismatched, the second address information subdomain carries information and oneself AID is mismatched or the first ground
The part BSSID that location information subdomain carries information and oneself associated AP is mismatched, the second address information subdomain carry information with
Oneself AID matching, then determine that this radio frames is not destined to the radio frames of oneself, abandon this frame, new radio frames is waited to indicate,
And channel access is carried out according to new instruction, if not detecting new radio frames instruction in time T predetermined,
Channel access can be carried out according to existing rule.Time T predetermined can be m short frame interframe spaces and add a maximum nothing
Line frame transmission time, wherein m value is the integer more than or equal to 1.
After remaining access point receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame,
If verification is correct, by MCS subdomain value in parsing signaling domain, conclude that this radio frames is with request feedback channel measurement
The radio frames of informational function, the first address information subdomain in signaling domain carries information and the part BSSID of oneself is mismatched, and throws
This frame is abandoned, new radio frames is waited to indicate, and carries out channel access according to new instruction, if in time T predetermined
It does not detect new radio frames instruction, then can carry out channel access according to existing rule.Time T predetermined can be m
A short frame interframe space adds a maximum radio frame transmission time, and wherein m value is the integer more than or equal to 1.
Preferred embodiment six
For the present embodiment is with power ratio energy conservation poll frame (power save-poll frame, abbreviation PS-Poll frame).
It is assumed that access point AP-1 has set up a basic service set, energy saving (Power save, abbreviation PS) mode is supported
STA-1 is associated with AP-1, when STA-1 is after suspend mode terminates to wake up, it is desirable to be known whether AP-1 is cached with and is sent to oneself
Downlink data perhaps STA-1 hear AP-1 send down dispatch information after or AP-1 have the lower line number for being sent to oneself
According to STA-1, which can lay oneself open to waking state with proactive notification AP-1, can receive downlink data, in above-mentioned two situations STA-
1 sends PS-Poll frame to AP-1.PS-Poll frame is a mac frame at present, and Fig. 3 is PS-Poll according to an embodiment of the present invention
The schematic diagram of the format of frame, as shown in figure 3, as seen in Figure 3, PS-Poll frame carrying information is less, it can be to this frame weight
New design, carries effective information using the signaling domain of radio frames physical layer frame head, loads domain without frame to complete its function.
Embodiment is specific as follows:
STA-1 sends the radio frames of a PS-Poll function, this radio frames only includes three domains: short training sequence domain, length
Training sequence domain and signaling domain, wherein N number of bit in signaling domain is dedicated as the instruction of frame type, and N is greater than whole equal to 1
Number, the value of N number of bit indicates that this frame is a radio frames with request feedback channel metrical information function, in signaling domain
First address information subdomain occupies 9 bits, carries the part BSSID of AP-1, and the second address information subdomain occupies 13 bits,
The associated identifiers AID for carrying STA-1, in addition, also carrying tail bit and cyclic redundancy check in this radio frames signaling domain
Sequence, this verification sequence can be following thrins, but what receiving-transmitting sides were appointed in advance, including individually for signaling domain
Verification sequence, or the joint verification sequence for being part BSSID for signaling domain and additional information, or be directed to signaling
The joint verification sequence that domain and additional information are BSSID.
AP-1 receives above-mentioned radio frames, detects cyclic redundancy check sequence if mistake and abandons this frame, if school
It tests correctly, then by being used to indicate N number of bit of frame type in parsing signaling domain, concludes that this radio frames is PS-Poll function
Radio frames, and the first address information subdomain in signaling domain carries information and matches with the part BSSID of oneself, then AP-1 determines
The STA-1 of the second address information subdomain instruction in the signaling domain of this radio frames is currently in waking state, can receive downlink
Data.
After remaining website receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame, such as
Fruit verification is correct, then by being used to indicate N number of bit of frame type in parsing signaling domain, concludes that this radio frames is PS-Poll function
Can radio frames, the first address information subdomain in signaling domain carry information matched with the part BSSID of oneself associated AP, the
Double-address information subdomain carries information and oneself AID is mismatched or the first address information subdomain carries information and is associated with oneself
AP part BSSID mismatch, the second address information subdomain carry information and oneself AID mismatch or location information subdomain 1
The part BSSID for carrying information and oneself associated AP is mismatched, the second address information subdomain carries information and oneself AID
Match, then determines that this radio frames is not destined to the radio frames of oneself, abandon this frame, wait new radio frames to indicate, and according to new
Instruction carry out channel access, can be according to existing if not detecting new radio frames instruction in time T predetermined
Regular carry out channel access.Time T predetermined can be m short frame interframe spaces and add an ACK
(acknowledgment) frame transmission time, or wherein m value is the integer more than or equal to 1.
After remaining access point receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame,
If verification is correct, by being used to indicate N number of bit of frame type in parsing signaling domain, conclude that this radio frames is PS-Poll
The radio frames of function, the first address information subdomain in signaling domain carries information and the part BSSID of oneself is mismatched, then determines
This radio frames is not destined to the radio frames of oneself, abandons this frame, and new radio frames is waited to indicate, and carries out according to new instruction
Channel access can carry out if not detecting new radio frames instruction in time T predetermined according to existing rule
Channel access.Time T predetermined can be m short frame interframe spaces and add ACK (acknowledgment) frame transmission
Time, or wherein m value is the integer more than or equal to 1.
Preferred embodiment seven
For the present embodiment is with power ratio energy conservation poll frame (power save-poll frame, abbreviation PS-Poll frame).
It is assumed that access point AP-1 has set up a basic service set, energy saving (Power save, abbreviation PS) mode is supported
STA-1 is associated with AP-1, when STA-1 is after suspend mode terminates to wake up, it is desirable to be known whether AP-1 is cached with and is sent to oneself
Downlink data perhaps STA-1 hear AP-1 send down dispatch information after or AP-1 have the lower line number for being sent to oneself
According to STA-1, which can lay oneself open to waking state with proactive notification AP-1, can receive downlink data, in above-mentioned two situations STA-
1 sends PS-Poll frame to AP-1, and PS-Poll frame is a mac frame at present, format as shown in figure 3, as seen in Figure 3,
PS-Poll frame carrying information is less, can redesign to this frame, be carried using the signaling domain of radio frames physical layer frame head
Information is imitated, loads domain without frame to complete its function.Embodiment is specific as follows:
STA-1 sends the radio frames of a PS-Poll function, this radio frames only includes three domains: short training sequence domain, length
Training sequence domain and signaling domain wherein carry MCS subdomain in signaling domain, and the specific value of MCS subdomain indicates that this frame is one
With the radio frames for requesting feedback channel metrical information function, the first address information subdomain in signaling domain occupies 9 bits, takes
Part BSSID with AP-1, the second address information subdomain occupy 13 bits, carry the associated identifiers AID of STA-1, in addition,
Channel access time, tail bit and the cyclic redundancy check sequence of reservation are also carried in this radio frames signaling domain, this verification
Sequence can be following thrins, but what receiving-transmitting sides were appointed in advance, including the verification sequence individually for signaling domain,
The joint verification sequence for being either part BSSID for signaling domain and additional information, or for signaling domain and additional letter
Breath is the joint verification sequence of BSSID.
AP-1 receives above-mentioned radio frames, detects cyclic redundancy check sequence if mistake and abandons this frame, if school
It tests correct, then by MCS subdomain value in parsing signaling domain, concludes that this radio frames is the radio frames of PS-Poll function, and signaling
The first address information subdomain in domain carries information and matches with the part BSSID of oneself, then AP-1 determines the letter of this radio frames
The STA-1 for enabling the second address information subdomain in domain indicate is currently in waking state, can receive downlink data.
After remaining website receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame, such as
Fruit verification is correct, then by MCS subdomain value in parsing signaling domain, concludes that this radio frames is the radio frames of PS-Poll function, letter
The first address information subdomain carrying information in domain is enabled to match with the part BSSID of oneself associated AP, the second address information
Domain carries information and oneself AID is mismatched or the part of the first address information subdomain carrying information and oneself associated AP
BSSID is mismatched, the second address information subdomain carry information and oneself AID mismatch or location information subdomain 1 carry information and
The part BSSID of oneself associated AP is mismatched, the second address information subdomain carries information and matches with oneself AID, then determines this
Radio frames are not destined to the radio frames of oneself, abandon this frame, and the channel access time of the reservation carried using radio frames is pressed
According to the network allocation vector (network allocation vector) of existing Policy Updates oneself.
After remaining access point receives this radio frames, cyclic redundancy check sequence is detected if mistake and abandons this frame,
If verification is correct, by MCS subdomain value in parsing signaling domain, conclude that this radio frames is the radio frames of PS-Poll function,
The first address information subdomain in signaling domain carries information and the part BSSID of oneself is mismatched, then determines that this radio frames is not
The radio frames of oneself are sent to, abandon this frame, and the channel access time of the reservation carried using radio frames is according to existing rule
Update NAV.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
The embodiment of the invention provides a kind of wireless frame processing system, this is wireless, and that frame processing system can be used to implement is above-mentioned
Wireless frame processing method.Fig. 4 is the structural block diagram of wireless frame processing system according to an embodiment of the present invention, as shown in figure 4, below
Its structure is described in detail.
Wireless frame processing system includes sender 42 and recipient 44, wherein sender 42 is the station that basic service is concentrated
Point and recipient are the access points that basic service is concentrated or sender is the access point of basic service concentration and recipient is base
Website in this services set, sender 42 include: sending module 422, for sending radio frames to recipient, wherein radio frames
Physical frame header signaling domain in carry the first address information subdomain and the second address information subdomain, the first address information subdomain is used
In mark access point, the second address information subdomain is for identifying website；Recipient 44 includes: determination module 442, is connected to transmission
Module 422, the first address information carried in the physical frame header signaling domain of the radio frames for being sent according to sending module 422
Domain and/or the second address information subdomain determine that radio frames are destined to the radio frames of itself.
It should be noted that wireless frame processing system described in Installation practice corresponds to above-mentioned embodiment of the method,
Its concrete implementation process had carried out detailed description in embodiment of the method, and details are not described herein.
In conclusion according to the abovementioned embodiments of the present invention, a kind of wireless frame processing method and system are provided.The present invention
In embodiment, no matter when sender is website and recipient is access point, or when sender is access point and recipient is
When website, it is access point that the information that the first address information subdomain is carried, which is all fixed, what the second address information subdomain was carried
It is website that information, which is all fixed,.Even if in this way, being used to carry the digit of the address information subdomain of website and for carrying access point
Address information subdomain digit it is different, address information subdomain need not be reserved, too much also so as to avoid address information subdomain
Waste.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, perhaps they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of wireless frame processing method, characterized by comprising:
Sending direction recipient sends radio frames, wherein described sender is the website that basic service is concentrated and the recipient
It is access point that the basic service is concentrated or described sender is the access point and the reception that the basic service is concentrated
Side is the website that the basic service is concentrated, and carries the first address information subdomain in the physical frame header signaling domain of the radio frames
With the second address information subdomain, the first address information subdomain is for identifying described access point, the second address information
Domain is for identifying the website；
Wherein, the first address information subdomain and/or the second address information subdomain are in physical frame header signaling domain
Position be fixed.
2. the method according to claim 1, wherein the information carried in the first address information subdomain includes
At least one of: the partial association identifier, described of the part basic service set identifier of described access point, described access point
The associated identifiers of access point；The information carried in the second address information subdomain includes at least one of: the website
Associated identifiers, the website partial association identifier.
3. method according to claim 1 or 2, which is characterized in that the first address information subdomain and/or described second
Address information subdomain bit number used in physical frame header signaling domain is fixed.
4. method according to claim 1 or 2, which is characterized in that the first address information subdomain is in the physical frame
Bit number and the second address information subdomain bit used in physical frame header signaling domain used in head signaling domain
Number is different.
5. a kind of wireless frame processing method characterized by comprising
Recipient receives the radio frames that sender sends, wherein described sender is the website that basic service is concentrated and described connects
Debit is the access point that the basic service is concentrated, and carries the first address information in the physical frame header signaling domain of the radio frames
Subdomain and the second address information subdomain, the first address information subdomain is for identifying described access point, the second address letter
Breath subdomain is for identifying the website, and the first address information subdomain and/or the second address information subdomain are in the object
The position managed in frame head signaling domain is fixed；
The recipient parses the first address information subdomain；If the information of the first address information subdomain carrying and itself
Part basic service set identifier or one of the partial association identifier of itself or the associated identifiers of itself
Match, it is determined that the radio frames are destined to the radio frames of oneself；
Alternatively, the recipient parses the second address information subdomain；If the information of the second address information subdomain carrying
With the associated identifiers of itself associated website or with one of the partial association identifier of itself associated website
Match, then the recipient determines that the radio frames are to be sent to the radio frames of oneself with itself associated website.
6. according to the method described in claim 5, it is characterized in that, the first address information subdomain and/or second ground
Information subdomain bit number used in physical frame header signaling domain in location is fixed.
7. according to the method described in claim 5, it is characterized in that, the first address information subdomain is believed in the physical frame header
Enable bit number used in domain is with the second address information subdomain bit number used in physical frame header signaling domain
Different.
8. a kind of wireless frame processing method characterized by comprising
Recipient receives the radio frames that sender sends, wherein described sender is the access point and described that basic service is concentrated
Recipient is the website that the basic service is concentrated, and carries the first address information in the physical frame header signaling domain of the radio frames
Subdomain and the second address information subdomain, the first address information subdomain is for identifying described access point, the second address letter
Breath subdomain is for identifying the website, and the first address information subdomain and/or the second address information subdomain are in the object
The position managed in frame head signaling domain is fixed；
The recipient parses the second address information subdomain；If the information of the second address information subdomain carrying and itself
Associated identifiers or the matching of one of the partial association identifier of itself, it is determined that the radio frames are destined to oneself
Radio frames；
Alternatively, the recipient parses the first address information subdomain and the second address information subdomain；If described first
Address information subdomain carrying information with itself associated by access point part basic service set identifier or itself closed
The matching of one of the partial association identifier of the access point of connection or the associated identifiers of access point associated by itself, also,
The information and one of the associated identifiers of itself or partial association identifier of the second address information subdomain carrying
Match, it is determined that the radio frames are the radio frames that the access point in the basic service set where itself is sent to itself.
9. according to the method described in claim 8, it is characterized in that, the first address information subdomain and/or second ground
Information subdomain bit number used in physical frame header signaling domain in location is fixed.
10. according to the method described in claim 8, it is characterized in that, the first address information subdomain is in the physical frame header
Bit number used in signaling domain and the second address information subdomain bit number used in physical frame header signaling domain
It is different.
11. a kind of wireless frame processing system, it is characterised in that including sender and recipient, wherein described sender is basic
Website and the recipient in services set are the access points that the basic service is concentrated or described sender is described basic
Access point and the recipient in services set are the websites that the basic service is concentrated,
Described sender includes: sending module, for sending radio frames to the recipient, wherein the physics of the radio frames
The first address information subdomain and the second address information subdomain are carried in frame head signaling domain, the first address information subdomain is used for
Described access point is identified, the second address information subdomain is for identifying the website；
The recipient includes: determination module, for according to the first address information subdomain and/or second address information
Subdomain determines that the radio frames are destined to the radio frames of itself；
Wherein, the first address information subdomain and/or the second address information subdomain are in physical frame header signaling domain
Position be fixed.
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| MY192669A (en) * | 2015-10-09 | 2022-08-30 | Interdigital Patent Holdings Inc | Procedures for high efficiency acknowledgement transmission |
| KR102268912B1 (en) * | 2015-12-09 | 2021-06-25 | 주식회사 윌러스표준기술연구소 | Wireless communication method and wireless communication terminal using multi-basic service identifier set |
| US10237188B2 (en) * | 2016-01-15 | 2019-03-19 | Qualcomm Incorporated | Regulating responses based on request addressing or request channels |
| KR102618731B1 (en) | 2016-03-04 | 2023-12-29 | 주식회사 윌러스표준기술연구소 | Wireless communication method and wireless communication terminal in basic service set overlapping with another basic service set |
| CN105979608B (en) * | 2016-04-21 | 2019-08-09 | 珠海市魅族科技有限公司 | Communication means, communication device and the access point of WLAN |
| MY201372A (en) * | 2016-05-10 | 2024-02-20 | Huawei Tech Co Ltd | Radio frame sending and receiving methods and apparatus |
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