CN105024783A - WLAN communication method, related device and system - Google Patents
WLAN communication method, related device and system Download PDFInfo
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- CN105024783A CN105024783A CN201410524123.5A CN201410524123A CN105024783A CN 105024783 A CN105024783 A CN 105024783A CN 201410524123 A CN201410524123 A CN 201410524123A CN 105024783 A CN105024783 A CN 105024783A
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Abstract
The embodiment of the invention discloses a WLAN communication method, a related device and a system. The WLAN communication method comprises the steps of: generating a modulation encoding method configuration message frame which contains subcarrier modulation encoding method information of a plurality of wireless receiving ends, wherein the subcarrier modulation encoding method information of the plurality of wireless receiving ends can be the same or different, and the subcarrier modulation encoding method information of the plurality of wireless receiving ends are used for carrying out communication in a same channel; and sending the modulation encoding method configuration message frame. By adopting the WLAN communication method, the related device and the system, the subcarrier modulation encoding methods of the different wireless receiving ends can be different.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of method for wireless local area network communication, relevant apparatus and system.
Background technology
Along with the progress of ICT (information and communication technology), various wireless communication technology is developed recently, in the middle of these wireless communication technologys, WLAN (Wireless Local Area Network, WLAN) is a kind of technology utilizing wireless technology to transmit data, speech and vision signal aloft.Current, 802.11 have set up Wireless Fidelity of future generation (Wireless Fidelity, Wi-Fi) seminar of technology---efficient WLAN (wireless local area network) (High Efficiency WLAN, HEW), to improve the throughput of Current wireless communication.
Existing wlan system in the data transmission, can only for a kind of MCS (Modulation and Coding Scheme of a channel configuration, modulation and coding strategy) mode, the subcarrier of each wireless interface receiving end namely in this channel all adopts this kind of modulation coding mode, channel gain waste in the sub-carrier channels adopt identical modulation system to cause channel gain high to all these sub-carrier channels, and in the sub-carrier channels that channel gain is low, easy generation error code, the modulation coding mode of the subcarrier of each wireless interface receiving end can not be changed neatly according to the channel circumstance of each wireless interface receiving end sub-carrier channels separately, thus reduce communication transmission quality, reduce the throughput quantity of successful data transmission (in the unit interval) of wlan network.Therefore, in order to support sub-channel modulation coding technology, ensureing the backwards compatibility with existing wlan system simultaneously, needing to adopt feasible measure and implementation.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of method for wireless local area network communication, relevant apparatus and system are provided, achieve under same communication channel, the subcarrier of different radio receiving terminal can use different modulation coding modes, adopt the present invention can realize configuring respectively the modulation coding mode of the subcarrier of different radio receiving terminal, thus achieve the flexible configuration of the modulation coding mode of subcarrier, improve communication transmission quality, indirectly improve the throughput of whole WLAN.
First aspect, embodiments provides a kind of method for wireless local area network communication, comprising:
Generate modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Send described modulation coding mode configuration messages frame.
In conjunction with first aspect, in the implementation that the first is possible, before described generation modulation coding mode configuration messages frame, described method also comprises:
Receive the identification information of described multiple wireless interface receiving end, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end.
In conjunction with first aspect, in the implementation that the second is possible, after the identification information of the described multiple wireless interface receiving end of described reception, before generating modulation coding mode configuration messages frame, described method also comprises:
For described multiple wireless interface receiving end allocation of subcarriers information, described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately.
In conjunction with first aspect, in the implementation that the third is possible, described modulation coding mode configuration messages frame is beacon frame or action message frame.
Second aspect, embodiments provides a kind of method for wireless local area network communication, comprising:
Receive modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Resolve described modulation coding mode configuration messages frame, identification information according to described multiple wireless interface receiving end obtains described multiple wireless interface receiving end subcarrier-modulated coding method information separately, wherein, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end.
In conjunction with second aspect, in the implementation that the first is possible, before described reception modulation coding mode configuration messages frame, described method also comprises:
Receive the subcarrier information that described multiple wireless interface receiving end is assigned to, described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately.
In conjunction with second aspect, in the implementation that the second is possible, described modulation coding mode configuration messages frame is beacon frame or action message frame.
The third aspect, embodiments provides a kind of wireless base station apparatus, comprising:
Generation module, for generating modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Sending module, for sending described modulation coding mode configuration messages frame.
In conjunction with the third aspect, in the implementation that the first is possible, described device also comprises:
Receiver module, for receiving the identification information of described multiple wireless interface receiving end, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end.
In conjunction with the third aspect, in the implementation that the second is possible, described device also comprises:
Distribution module, for being described multiple wireless interface receiving end allocation of subcarriers information, described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately.
In conjunction with the third aspect, in the implementation that the third is possible, described modulation coding mode configuration messages frame is beacon frame or action message frame.
Fourth aspect, embodiments provides a kind of wireless receiving end device, comprising:
Receiver module, for receiving modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Parsing module, for resolving described modulation coding mode configuration messages frame, identification information according to described multiple wireless interface receiving end obtains described multiple wireless interface receiving end subcarrier-modulated coding method information separately, wherein, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end.
In conjunction with fourth aspect, in the implementation that the first is possible, described device also comprises:
First receiver module, for receiving the subcarrier information that described multiple wireless interface receiving end is assigned to, described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately.
In conjunction with fourth aspect, in the implementation that the second is possible, described modulation coding mode configuration messages frame is beacon frame or action message frame.
5th aspect, embodiments provides a kind of wireless local area network communication system, comprises wireless base station apparatus and radio receiver, wherein
Described wireless base station apparatus is as the third aspect, or the first possible implementation of the third aspect, or the implementation that the second of the third aspect is possible, or the wireless base station apparatus in the third possible implementation of the third aspect;
Described radio receiver is as fourth aspect, or the first possible implementation of fourth aspect, or the radio receiver in the possible implementation of the second of fourth aspect.
By implementing the embodiment of the present invention, achieve under same communication channel, the subcarrier of different radio receiving terminal can use different modulation coding modes, adopt the present invention can realize configuring respectively the modulation coding mode of the subcarrier of different radio receiving terminal, thus achieve the flexible configuration of the modulation coding mode of subcarrier, improve communication transmission quality, indirectly improve the throughput of whole wireless network.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of method for wireless local area network communication provided by the invention;
Fig. 2 is the schematic flow sheet of the method for wireless local area network communication of another embodiment provided by the invention;
Fig. 3 is the structural representation of modulation coding mode configuration messages frame format provided by the invention
Fig. 4 is the structural representation of the modulation coding mode configuration messages frame format of another embodiment provided by the invention;
Fig. 5 is the schematic flow sheet of the method for wireless local area network communication of another embodiment provided by the invention;
Fig. 6 is the structural representation of wireless base station apparatus provided by the invention;
Fig. 7 is the structural representation of the wireless base station apparatus of another embodiment provided by the invention;
Fig. 8 is the structural representation of radio receiver provided by the invention;
Fig. 9 is the structural representation of the radio receiver of another embodiment provided by the invention;
Figure 10 is the structural representation of wireless local area network communication system provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, the term used in embodiments of the present invention is only for the object describing specific embodiment, and not intended to be limiting the present invention." one ", " described " and " being somebody's turn to do " of the singulative used in the embodiment of the present invention and appended claims is also intended to comprise most form, unless context clearly represents other implications.It is also understood that term "and/or" used herein refer to and comprise one or more project of listing be associated any or all may combine.
Embodiments provide a kind of method for wireless local area network communication, relevant apparatus and system, achieve under same communication channel, the subcarrier of different radio receiving terminal can use different modulation coding modes, adopt the present invention can realize configuring respectively the modulation coding mode of the subcarrier of different radio receiving terminal, thus achieve the flexible configuration of the modulation coding mode of subcarrier, improve communication transmission quality, indirectly improve the throughput of whole WLAN.For the ease of understanding the embodiment of the present invention, first the method for wireless local area network communication of the embodiment of the present invention is described below.
See Fig. 1, be the schematic flow sheet of method for wireless local area network communication provided by the invention, describe technical scheme the method for the present invention from wireless transmission end and comprise:
Step S100: generate modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Particularly, the wireless transmission end in the embodiment of the present invention can be access point AP (Access Point),
Multiple wireless interface receiving end can be that site STA s, multiple site STA s are all in access point AP coverage.
Various embodiments of the present invention include but not limited to AP and STAs, go for the both devices of other all-pair multi-point (Peer to Multi-Peer, P2MP).Wireless transmission end generates modulation coding mode configuration messages frame, modulation coding mode information includes but not limited to MCS (Modulation and Coding Scheme, modulation and coding strategy) index value, modulation and coded system include but not limited to BPSK (Binary PhaseShift Keying, two-phase PSK), QPSK (Quadrature Phase Shift Keying, quarternary phase-shift keying (QPSK)), 64QAM (64-Quadrature Amplitude Modulation, octal system quadrature amplitude modulation).The modulation coding mode of wireless transmission end to multiple wireless interface receiving end is configured all respectively, the channel status of the sub-carrier channels (hereinafter referred to as subchannel) that wireless transmission end uses according to the subcarrier of each wireless interface receiving end or a kind of suitable subcarrier-modulated coded system of communication environment configuration of subchannel, the modulation coding mode of the subcarrier of multiple wireless interface receiving end can be configured to identical also can be configured to different, and the embodiment of the present invention does not do concrete restriction.Modulation coding mode can be shown by a corresponding MCS, can consult table 1.
Table 1
| MCS index value | Modulation coding mode |
| 1 | BPSK |
| 2 | QPSK |
| … | … |
| N | 64QAM |
Further, when configuring the subcarrier-modulated coded system information of multiple wireless interface receiving end, different modulation coding modes can be configured to each sub-channels according to the size of its signal to noise ratio, that is: high to signal to noise ratio subchannel, adopting high order modulation coded system; The subchannel low to signal to noise ratio, adopts low-order-modulated coded system; And the subchannel low especially to channel gain, then can not transmit data.Like this, channel gain on the high subchannel of gain can be made full use of on the one hand to transmit data, also can reduce the error code even avoiding causing when the subchannel transmitting data that channel gain is low on the other hand, concrete restriction is not done to the system of selection embodiment of the present invention of the subcarrier-modulated coded system of multiple wireless interface receiving end.
Step S102: send described modulation coding mode configuration messages frame.
Particularly, after the modulation coding mode configuration messages frame of generation is broadcast to multiple wireless interface receiving end by wireless transmission end, multiple wireless interface receiving ends corresponding to this modulation coding mode configuration messages frame, by this modulation coding mode configuration messages frame of parsing, know respective subcarrier-modulated coded system information.
Further, the schematic flow sheet of the method for wireless local area network communication of another embodiment provided by the invention as shown in Figure 2, the method comprises:
Step S200: the identification information receiving described multiple wireless interface receiving end, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end.
Particularly, wireless transmission termination receives the identification information of the multiple wireless interface receiving ends in coverage, identification information can be multiple wireless interface receiving ends Media Access Control address separately (Media Access Control, or association identification MAC), association identification can include but not limited to NID NID, wherein Media Access Control address is the identifier representing each wireless interface receiving end on the Internet, a wireless interface receiving end can be identified, NID is the number identifying a network in a mobile service local network uniquely, also a wireless interface receiving end can be identified.After generation modulation coding mode configuration messages frame, the subcarrier-modulated coded message of the corresponding each wireless interface receiving end of identification information of each wireless interface receiving end, the subcarrier-modulated coded message of different wireless interface receiving ends can be the same or different.
Step S202: be described multiple wireless interface receiving end allocation of subcarriers information, described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately;
Wireless transmission end is that each wireless interface receiving end distributes respective subcarrier information, wireless transmission end is that the number of the subcarrier that each wireless interface receiving end is distributed at least comprises one, when communicating between wireless interface receiving end with wireless transmission end, all subcarriers that each wireless interface receiving end is assigned to use the subcarrier-modulated coded system of this wireless interface receiving end to carry out modulating-coding.
Step S204: generate modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Particularly, the wireless transmission end in the embodiment of the present invention can be access point AP (Access Point), and multiple wireless interface receiving end can be that site STA s, multiple site STA s are all in access point AP coverage.Various embodiments of the present invention include but not limited to AP and STAs, go for the both devices of other all-pair multi-point (Peer to Multi-Peer, P2MP).Wireless transmission end generates modulation coding mode configuration messages frame, modulation coding mode information includes but not limited to MCS (Modulation and Coding Scheme, modulation and coding strategy) index value, modulation and coded system include but not limited to BPSK (Binary PhaseShift Keying, two-phase PSK), QPSK (Quadrature Phase Shift Keying, quarternary phase-shift keying (QPSK)), 64QAM (64-Quadrature Amplitude Modulation, octal system quadrature amplitude modulation).The modulation coding mode of wireless transmission end to multiple wireless interface receiving end is configured all respectively, the channel status of the sub-carrier channels (hereinafter referred to as subchannel) that wireless transmission end uses according to the subcarrier of each wireless interface receiving end or a kind of suitable subcarrier-modulated coded system of communication environment configuration of subchannel, the modulation coding mode of the subcarrier of multiple wireless interface receiving end can be configured to identical also can be configured to different, and the embodiment of the present invention does not do concrete restriction.Modulation coding mode can be shown by a corresponding MCS, can consult table 1.
Further, when configuring the subcarrier-modulated coded system information of multiple wireless interface receiving end, different modulation coding modes can be configured to each sub-channels according to the size of its signal to noise ratio, that is: high to signal to noise ratio subchannel, adopting high order modulation coded system; The subchannel low to signal to noise ratio, adopts low-order-modulated coded system; And the subchannel low especially to channel gain, then can not transmit data.Like this, channel gain on the high subchannel of gain can be made full use of on the one hand to transmit data, also can reduce the error code even avoiding causing when the subchannel transmitting data that channel gain is low on the other hand, concrete restriction is not done to the system of selection embodiment of the present invention of the subcarrier-modulated coded system of multiple wireless interface receiving end.
Step S206: send described modulation coding mode configuration messages frame.
Particularly, described modulation coding mode configuration messages frame is beacon frame or action message frame, after beacon frame or action message frame are broadcast to multiple wireless interface receiving end by wireless transmission end, multiple wireless interface receiving ends corresponding to this modulation coding mode configuration messages frame, by this beacon frame of parsing or action message frame, know respective subcarrier-modulated coded system information.
Below in conjunction with the structure of the modulation coding mode configuration messages frame format that above 2 kinds of embodiment of the present invention provide, be illustrated:
1, the structural representation of modulation coding mode configuration messages frame format provided by the invention as shown in Figure 3, for the identification information of wireless interface receiving end for MAC Address is described, this modulation coding mode configuration messages frame can comprise: the MAC Address of wireless interface receiving end 1, the MCS index value of wireless interface receiving end 1, the MAC Address of wireless interface receiving end 2, the MCS index value of wireless interface receiving end 2 ... the MAC Address of wireless interface receiving end N, the MCS index value of wireless interface receiving end N;
Further, if have two wireless interface receiving ends in wireless transmission end coverage, be respectively wireless interface receiving end 1 and wireless interface receiving end 2, the MAC Address of wireless interface receiving end 1 is 00-0B-2F-19-D3-E0, the MAC Address of wireless interface receiving end 2 is 44-45-53-54-00-00, wireless transmission end is the subcarrier-modulated coded system information that wireless interface receiving end 1 configures is 00000001, then the subcarrier-modulated coded system of wireless interface receiving end 1 is the modulation coding mode BPSK of corresponding MCS index value 1 in MCS table, wireless transmission end is the subcarrier-modulated coded system information that wireless interface receiving end 2 configures is 00000010, then the subcarrier-modulated coded system of wireless interface receiving end 2 is the modulation coding mode QPSK of corresponding MCS index value 2 in MCS table.
2, the structural representation of the modulation coding mode configuration messages frame format of another embodiment provided by the invention as shown in Figure 4, be described for the NID in association identification for the identification information of wireless interface receiving end, comprise: the NID number of wireless interface receiving end 1, the MCS index value of wireless interface receiving end 1, the NID number of wireless interface receiving end 2, the MCS index value of wireless interface receiving end 2 ... the NID number of wireless interface receiving end N, the MCS index value of wireless interface receiving end N;
Further, if have two wireless interface receiving ends in wireless transmission end coverage, be respectively wireless interface receiving end 1 and wireless interface receiving end 2, the NID number of wireless interface receiving end 1 is 00-01, the NID number of wireless interface receiving end 2 is 00-10, wireless transmission end is the subcarrier-modulated coded system information that wireless interface receiving end 1 configures is 00000001, then the subcarrier-modulated coded system of wireless interface receiving end 1 is the modulation coding mode BPSK of corresponding MCS index value 1 in MCS table, wireless transmission end is the subcarrier-modulated coded system information that wireless interface receiving end 2 configures is 00000010, then the subcarrier-modulated coded system of wireless interface receiving end 2 is the modulation coding mode QPSK of corresponding MCS index value 2 in MCS table.
Below correspondingly, the schematic flow sheet of the method for wireless local area network communication of another embodiment provided by the invention shown in composition graphs 5, describe technical scheme of the present invention from wireless interface receiving end, the method comprises:
Step S500: receive modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Particularly, the multiple wireless receiving terminations in wireless transmission end coverage receive the modulation coding mode configuration messages frame of wireless transmission end broadcast.
Step S502: resolve described modulation coding mode configuration messages frame, identification information according to described multiple wireless interface receiving end obtains described multiple wireless interface receiving end subcarrier-modulated coding method information separately, wherein, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end.
Particularly, in the embodiment of the present invention before step S500, also comprise: receive the subcarrier information that described multiple wireless interface receiving end is assigned to, described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately.
Further, the modulation coding mode configuration messages frame in the embodiment of the present invention is beacon frame or action message frame.Multiple wireless interface receiving ends corresponding to the identification information in coded system configuration messages frame, by this beacon frame of parsing or action message frame, know respective subcarrier-modulated coded system information according to respective identification information.
Particularly, the implementation procedure of multiple wireless interface receiving end, specifically can the corresponding description with reference to above-mentioned Fig. 1 to Fig. 4 embodiment, repeats no more here.
The above-mentioned method illustrating the embodiment of the present invention, below for the ease of implementing the such scheme of the embodiment of the present invention better, correspondingly, is also provided for coordinating the relevant apparatus implementing such scheme below.
The structural representation of wireless base station apparatus provided by the invention as shown in Figure 6, wireless base station apparatus 60 comprises: generation module 600 and sending module 602, wherein
Generation module 600 is for generating modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Sending module 602 is for sending described modulation coding mode configuration messages frame.
Particularly, the structural representation of the wireless base station apparatus of another embodiment provided by the invention as shown in Figure 7, wireless base station apparatus 60 comprises: outside generation module 600 and sending module 602, also comprise receiver module 604 and distribution module 606, wherein
Receiver module 604 is for before generating modulation coding mode configuration messages frame at generation module 600, receive the identification information of described multiple wireless interface receiving end, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end;
Distribution module 606 is for being described multiple wireless interface receiving end allocation of subcarriers information, and described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately.
Particularly, this modulation coding mode configuration messages frame is beacon frame or action message frame.
The wireless base station apparatus 60 of the embodiment of the present invention can be such as access point apparatus, network management device, router, transmission node, intelligent mobile terminal or other network equipment.
Will be understood that, the function of each functional module of the wireless base station apparatus 60 of the present embodiment according to the method specific implementation in said method embodiment, can specifically correspondence referring to figs. 1 to the associated description of Fig. 4 embodiment of the method, can repeat no more herein.
The above-mentioned wireless base station apparatus 60 illustrating the embodiment of the present invention, below for the ease of implementing the such scheme of the embodiment of the present invention better, correspondingly, also provides a kind of radio receiver below;
The structural representation of radio receiver provided by the invention as shown in Figure 8, radio receiver 80 can comprise: receiver module 800 and parsing module 802, wherein
Receiver module 800 is for receiving modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Parsing module 802 is for resolving described modulation coding mode configuration messages frame, identification information according to described multiple wireless interface receiving end obtains described multiple wireless interface receiving end subcarrier-modulated coding method information separately, wherein, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end.
Particularly, the structural representation of the radio receiver of another embodiment provided by the invention as shown in Figure 9, radio receiver 80 can comprise outside receiver module 800 and parsing module 802, the first receiver module 804 can also be comprised, before receiving modulation coding mode configuration messages frame at receiver module 800, receive the subcarrier information that described multiple wireless interface receiving end is assigned to, described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately.
Further, this modulation coding mode configuration messages frame is beacon frame or action message frame.
Radio receiver 80 in the embodiment of the present invention can be such as wireless receiving end device, panel computer, personal digital assistant, intelligent mobile terminal or other network equipment.
Will be understood that, the function of each functional module of the radio receiver 80 of the present embodiment can according to the method specific implementation in said method embodiment, can the associated description of concrete corresponding reference diagram 5 embodiment of the method, repeats no more herein.
For the ease of implementing the such scheme of the embodiment of the present invention better, present invention also offers for coordinating the related system implementing such scheme.Below in conjunction with the structural representation of the wireless local area network communication system provided by the invention shown in Figure 10, be described:
Wireless local area network communication system 100 comprises wireless base station apparatus 1000 and radio receiver 1002, wherein
Wireless base station apparatus 1000 can be the wireless base station apparatus 60 in above-described embodiment, repeats no more here;
Radio receiver 1002 can be the radio receiver 80 in above-described embodiment, repeats no more here.
In sum, by implementing the embodiment of the present invention, the modulation coding mode of each sub-channels in the same channel that wireless transmission end can use all wireless interface receiving ends in region configures separately, subcarrier in the subchannel at different radio receiving terminal place can use different modulation coding modes, when communicating when between wireless interface receiving end with wireless transmission end, subcarrier assigned by each wireless interface receiving end uses each wireless interface receiving end modulation coding mode separately to transmit, adopt the present invention, the modulation coding mode of subcarrier can be configured separately according to the channel status of the subchannel at the subcarrier place of wireless interface receiving end, achieve the flexible configuration of modulation coding mode, improve communication transmission quality, indirectly improve the throughput of whole WLAN.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are done, still belong to the scope that invention is contained.
Claims (15)
1. a method for wireless local area network communication, is characterized in that, comprising:
Generate modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Send described modulation coding mode configuration messages frame.
2. the method for claim 1, is characterized in that, before described generation modulation coding mode configuration messages frame, described method also comprises:
Receive the identification information of described multiple wireless interface receiving end, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end.
3. method as claimed in claim 2, is characterized in that, after the identification information of the described multiple wireless interface receiving end of described reception, before generating modulation coding mode configuration messages frame, described method also comprises:
For described multiple wireless interface receiving end allocation of subcarriers information, described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately.
4. the method for claim 1, is characterized in that, described modulation coding mode configuration messages frame is beacon frame or action message frame.
5. a method for wireless local area network communication, is characterized in that, comprising:
Receive modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Resolve described modulation coding mode configuration messages frame, identification information according to described multiple wireless interface receiving end obtains described multiple wireless interface receiving end subcarrier-modulated coding method information separately, wherein, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end.
6. method as claimed in claim 5, it is characterized in that, before described reception modulation coding mode configuration messages frame, described method also comprises:
Receive the subcarrier information that described multiple wireless interface receiving end is assigned to, described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately.
7. method as claimed in claim 5, it is characterized in that, described modulation coding mode configuration messages frame is beacon frame or action message frame.
8. a wireless base station apparatus, is characterized in that, comprising:
Generation module, for generating modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Sending module, for sending described modulation coding mode configuration messages frame.
9. device as claimed in claim 8, it is characterized in that, described device also comprises:
Receiver module, for receiving the identification information of described multiple wireless interface receiving end, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end.
10. device as claimed in claim 9, it is characterized in that, described device also comprises:
Distribution module, for being described multiple wireless interface receiving end allocation of subcarriers information, described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately.
11. devices as claimed in claim 8, is characterized in that, described modulation coding mode configuration messages frame is beacon frame or action message frame.
12. 1 kinds of radio receivers, is characterized in that, comprising:
Receiver module, for receiving modulation coding mode configuration messages frame, described modulation coding mode configuration messages frame comprises the subcarrier-modulated coded system information of multiple wireless interface receiving end, the subcarrier-modulated coded system information of wherein said multiple wireless interface receiving end is identical or different, and the subcarrier-modulated coded system information of described multiple wireless interface receiving end is used to communicate under same channel;
Parsing module, for resolving described modulation coding mode configuration messages frame, identification information according to described multiple wireless interface receiving end obtains described multiple wireless interface receiving end subcarrier-modulated coding method information separately, wherein, described identification information is the respective Media Access Control address of described multiple wireless interface receiving end or association identification, and described identification information is used for the subcarrier-modulated coded system information of corresponding described wireless interface receiving end.
13. devices as claimed in claim 12, it is characterized in that, described device also comprises:
First receiver module, for receiving the subcarrier information that described multiple wireless interface receiving end is assigned to, described subcarrier information represents the number of the subcarrier that described multiple wireless interface receiving end is assigned to separately.
14. devices as claimed in claim 12, is characterized in that, described modulation coding mode configuration messages frame is beacon frame or action message frame.
15. 1 kinds of wireless local area network communication systems, is characterized in that, comprise wireless base station apparatus and radio receiver, wherein,
Described wireless base station apparatus is the wireless base station apparatus as described in any one of claim 8 ~ 11;
Described radio receiver is the radio receiver as described in any one of claim 12 ~ 14.
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