CN103533578A - Wireless communication method and wireless communication equipment - Google Patents
Wireless communication method and wireless communication equipment Download PDFInfo
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- CN103533578A CN103533578A CN201310486362.1A CN201310486362A CN103533578A CN 103533578 A CN103533578 A CN 103533578A CN 201310486362 A CN201310486362 A CN 201310486362A CN 103533578 A CN103533578 A CN 103533578A
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Abstract
The invention provides a wireless communication method which comprises the following steps of generating a message frame, wherein the message frame at least comprises a capacity information identifier and the capacity information identifier represents that capacity of supporting a balanced load is configured to a sending party of the message frame; sending the message frame. The invention also discloses corresponding wireless communication equipment. By the technical scheme adopted by the invention, the sending party of the message frame can notify a receiving party of the operation capacity of supporting the balanced load of the sending party so as to implement the balanced load in a region, thereby indirectly improving throughput of the whole region.
Description
Technical field
The present invention relates to wireless communication technology field, in particular to a kind of wireless communications method and a kind of Wireless Telecom Equipment.
Background technology
In correlation technique, the demand of the utilance of throughput in region and frequency spectrum has been proposed how to improve for wlan network.
For meeting the demand, the set to ESS(Extended Service has been proposed in correlation technique, extended service set) or OBSS(Overlapping Basic Service Set, overlapping Basic Service Set) a plurality of AP(Access Point in, access point) carry out load balancing, thereby indirectly improve the throughput in whole region.
Yet, in correlation technique, only the load information of certain AP self can be broadcast out, can not inform the operation that it whether can holding load equilibrium to other equipment, make to realize smoothly the load balancing operation between a plurality of AP.
Therefore, how to make AP that self is informed to other equipment to the support situation of load balancing, load balancing can be carried out smoothly, become technical problem urgently to be resolved hurrily at present.
Summary of the invention
The present invention is just based on the problems referred to above, a kind of new wireless communication technology has been proposed, can be so that the transmit leg of message frame can be informed recipient to the operational capacity of equally loaded support by self, so that the equally loaded in feasible region, thereby the throughput in whole region indirectly improved.
In view of this, the present invention proposes a kind of wireless communications method, comprising: generating messages frame, in described message frame, at least comprise ability information sign, described ability information sign represents that the transmit leg of described message frame has configured the ability of supporting equally loaded; Send described message frame.
In this technical scheme, the transmit leg of message frame can be AP, and this AP comprises by transmission the message frame that ability information identifies, and makes to receive other AP or the STA(Station of this message frame, website or terminal) can give a response at this point.
Such as the AP1 in same ESS or OBSS, AP2 ... APn, each AP(is wherein as APm, 1≤m≤n) all can send above-mentioned message frame, for the AP(that receives this message frame as APi, 1≤i≤n and i ≠ m), in the time of can comprising aforementioned capabilities message identification in inquiring this message frame, and carry out load balancing between the AP of this message frame of transmission, and indirectly improve the throughput in region thus.
For another example when STA receives the above-mentioned message frame that AP sends, also can be by the checking of aforementioned capabilities message identification, whether the AP that identification sends this message frame can holding load equalization operation, thereby determines whether to access this AP, to better served.
In technique scheme, preferably, before generating described message frame, also comprise: obtain the loading condition of at least one Wireless Telecom Equipment, described at least one Wireless Telecom Equipment and described transmit leg are in same extended service set or overlapping Basic Service Set; According to the loading condition of described at least one Wireless Telecom Equipment, the value of described ability information sign is set, wherein: in described at least one Wireless Telecom Equipment, if exist arbitrary Wireless Telecom Equipment in low load condition, and described transmit leg is in high load condition, and described ability information sign is set to the first value; If exist arbitrary Wireless Telecom Equipment in high load condition, and described transmit leg is in low load condition, and described ability information sign is set to the second value.
In this technical scheme, by understanding in same as the loading condition of other AP in ESS or OBSS, the AP that sends above-mentioned message frame can be in conjunction with the loading condition of self, value to ability information sign arranges, such as the AP when sending above-mentioned message frame is in high load condition, and at least one AP in other AP is in low load condition, the AP that sends above-mentioned message frame can ability information sign be set to the first value, such as being set to " 1 ", to the AP by low load condition, the load of self is shared, to realize load balancing; When the AP that sends above-mentioned message frame is in low load condition, and at least one AP in other AP is in high load condition, the AP that sends above-mentioned message frame can ability information sign be set to the second value, such as being set to " 0 ", self can share the load of the AP in high load condition representing, to realize load balancing.
" low load condition " herein and the judgement of " high load condition ", can adopt various ways: for the transmit leg AP for above-mentioned, first kind of way, can preset a load parameter threshold value, when the numerical value of the load parameter of this transmit leg AP self is more than or equal to this load parameter threshold value, be judged to be in high load condition, otherwise be judged to be in low load condition; The second way, also can preset a high capacity parameter threshold and a low load parameter threshold value, when the numerical value of the load parameter of this transmit leg AP self is more than or equal to this high capacity parameter threshold, be judged to be in high load condition, when the numerical value of the load parameter of this transmit leg AP self is less than or equal to this low load parameter threshold value, be judged to be in low load condition.
And for above-mentioned transmit leg AP in same as the loading condition of other recipient AP in ESS or OBSS: first kind of way, recipient AP can send to transmit leg AP(by clean culture, multicast or broadcast message frame the numerical value of the load parameter of self, also can send to other more AP) simultaneously, transmit leg AP can adopt and be similar to the mode that the above-mentioned load condition to self judges, the load condition of recipient AP is judged; The second way, recipient AP can adopt load parameter threshold value or the high/low load parameter threshold value self arranging, and judge accordingly self in high load condition or low load condition, and directly this judged result informed to above-mentioned transmit leg AP(or send to other more AP simultaneously).
In above-mentioned arbitrary technical scheme, preferably, described ability information identifies one or more positions of the frame head part of the physical frame that can comprise described message frame.
Particularly, such as ability information sign can be arranged on the one or more positions in the signal domain of frame head part of physical frame of described message frame.This signal domain (SIG) can be defined original signal domain (L-SIG) in correlation technique or high-throughput signal domain (HT-SIG), also can be for not yet defining at present the signal domain of other types.
In above-mentioned arbitrary technical scheme, preferably, described ability information sign can comprise the frame head part of media access control frame or one or more positions of frame part of described message frame.
Particularly, in a kind of situation, described ability information sign can comprise the one or more positions in the control domain of frame head part of media access control frame of described message frame; Or in another kind of situation, described ability information sign also can comprise the one or more positions in the areas of capacity of frame part of media access control frame of described message frame, such as the form with IE is placed in aforementioned capabilities territory.
In above-mentioned arbitrary technical scheme, preferably, also comprise: described message frame is broadcast message frame, multicast message frame or unicast messages frame.
In this technical scheme, message frame can send by different modes such as broadcast, multicast, clean cultures, if message frame is broadcast message frame, all AP in certain limit and STA can receive this message frame; If message frame is multicast message frame, this multicast message frame can only send to AP or the STA in certain limit, or one or more AP of appointment in certain limit, or one or more STA of appointment in certain limit; If message frame is unicast messages frame, this unicast messages frame can directly be sent to certain AP(such as the AP in same OBSS) or certain STA.
In above-mentioned arbitrary technical scheme, preferably, also comprise: described broadcast message frame or multicast message frame are beacon frame.
In this technical scheme, broadcast message frame or multicast message frame can be beacon frame, and beacon frame can be divided into common beacon frame or DMG(directional is Multi-giga) beacon frame, or the message frame of other types.
The invention allows for a kind of Wireless Telecom Equipment, comprise: data processing module, for generating messages frame, in described message frame, at least comprise ability information sign, the ability of support equally loaded that described ability information sign has represented described wireless communications device configurations; Data interaction module, for sending described message frame.
In this technical scheme, Wireless Telecom Equipment can be AP, and data processing module can be the chip module of data processing in Wireless Telecom Equipment, and data interaction module is equivalent to signal receiving/transmission device and antenna etc.AP comprises by transmission the message frame that ability information identifies, and makes to receive other AP or the STA(Station of this message frame, website or terminal) can give a response at this point.
Such as the AP1 in same ESS or OBSS, AP2 ... APn, each AP(is wherein as APm, 1≤m≤n) all can send above-mentioned message frame, for the AP(that receives this message frame as APi, 1≤i≤n and i ≠ m), in the time of can comprising aforementioned capabilities message identification in inquiring this message frame, and carry out load balancing between the AP of this message frame of transmission, and indirectly improve the throughput in region thus.
For another example when STA receives the above-mentioned message frame that AP sends, also can be by the checking of aforementioned capabilities message identification, it is balanced whether the AP that identification sends this message frame can holding load, thereby determine whether to access this AP, to better served.
In technique scheme, preferably, described data interaction module also for: obtain the loading condition of at least one other Wireless Telecom Equipment, described at least one other Wireless Telecom Equipment and described Wireless Telecom Equipment are in same extended service set or overlapping Basic Service Set; Described data processing module also for: according to the loading condition of described at least one other Wireless Telecom Equipment, the value of described ability information sign is set, wherein: in described at least one other Wireless Telecom Equipment, if exist arbitrary other Wireless Telecom Equipment in low load condition, and described Wireless Telecom Equipment is in high load condition, and the described ability information sign of described data processing module is set to the first value; If exist arbitrary other Wireless Telecom Equipment in high load condition, and described Wireless Telecom Equipment is in low load condition, and the described ability information sign of described data processing module is set to the second value.
In this technical scheme, by understanding in same as the loading condition of other AP in ESS or OBSS, the AP that sends above-mentioned message frame can be in conjunction with the loading condition of self, value to ability information sign arranges, such as the AP when sending above-mentioned message frame is in high load condition, and at least one AP in other AP is in low load condition, the AP that sends above-mentioned message frame can ability information sign be set to the first value, such as being set to " 1 ", to the AP by low load condition, the load of self is shared, to realize load balancing; When the AP that sends above-mentioned message frame is in low load condition, and at least one AP in other AP is in high load condition, the AP that sends above-mentioned message frame can ability information sign be set to the second value, such as being set to " 0 ", self can share the load of the AP in high load condition representing, to realize load balancing.
" low load condition " herein and the judgement of " high load condition ", can adopt various ways: for the transmit leg AP for above-mentioned, first kind of way, can preset a load parameter threshold value, when the numerical value of the load parameter of this transmit leg AP self is more than or equal to this load parameter threshold value, be judged to be in high load condition, otherwise be judged to be in low load condition; The second way, also can preset a high capacity parameter threshold and a low load parameter threshold value, when the numerical value of the load parameter of this transmit leg AP self is more than or equal to this high capacity parameter threshold, be judged to be in high load condition, when the numerical value of the load parameter of this transmit leg AP self is less than or equal to this low load parameter threshold value, be judged to be in low load condition.
And for above-mentioned transmit leg AP in same as the loading condition of other recipient AP in ESS or OBSS: first kind of way, recipient AP can send to transmit leg AP(by clean culture, multicast or broadcast message frame the numerical value of the load parameter of self, also can send to other more AP) simultaneously, transmit leg AP can adopt and be similar to the mode that the above-mentioned load condition to self judges, the load condition of recipient AP is judged; The second way, recipient AP can adopt load parameter threshold value or the high/low load parameter threshold value self arranging, and judge accordingly self in high load condition or low load condition, and directly this judged result informed to above-mentioned transmit leg AP(or send to other more AP simultaneously).
In above-mentioned arbitrary technical scheme, preferably, described ability information identifies one or more positions of the frame head part of the physical frame that can comprise described message frame.
Particularly, such as ability information sign can be arranged on the one or more positions in the signal domain of frame head part of physical frame of described message frame.This signal domain (SIG) can be defined original signal domain (L-SIG) in correlation technique or high-throughput signal domain (HT-SIG), also can be for not yet defining at present the signal domain of other types.
In above-mentioned arbitrary technical scheme, preferably, described ability information sign can comprise the frame head part of media access control frame or one or more positions of frame part of described message frame.
Particularly, in a kind of situation, described ability information sign can comprise the one or more positions in the control domain of frame head part of media access control frame of described message frame; Or in another kind of situation, described ability information sign also can comprise the one or more positions in the areas of capacity of frame part of media access control frame of described message frame, such as the form with IE is placed in aforementioned capabilities territory.
In above-mentioned arbitrary technical scheme, preferably, described message frame is broadcast message frame, multicast message frame or unicast messages frame.
In this technical scheme, message frame can send by different modes such as broadcast, multicast, clean cultures, if message frame is broadcast message frame, all AP in certain limit and STA can receive this message frame; If message frame is multicast message frame, this multicast message frame can only send to AP or the STA in certain limit, or one or more AP of appointment in certain limit, or one or more STA of appointment in certain limit; If message frame is unicast messages frame, this unicast messages frame can directly be sent to certain AP(such as the AP in same OBSS) or certain STA.
In above-mentioned arbitrary technical scheme, preferably, also comprise: described broadcast message frame or multicast message frame are beacon frame.
In this technical scheme, broadcast message frame or multicast message frame can be beacon frame, or the message frame of other types.
By above technical scheme, can be so that the transmit leg of message frame can be informed recipient to the operational capacity of equally loaded support by self, so that the equally loaded in feasible region, thereby indirectly improve the throughput in whole region.
Accompanying drawing explanation
Fig. 1 shows the schematic flow diagram of wireless communications method according to an embodiment of the invention;
Fig. 2 A shows the structural representation of frame head part of the physical frame of message frame according to an embodiment of the invention;
Fig. 2 B shows the structural representation of frame head part of the physical frame of message frame according to another embodiment of the invention;
Fig. 2 C shows the structural representation of frame head part of the physical frame of message frame according to still another embodiment of the invention;
Fig. 3 A shows the structural representation of original signal domain according to an embodiment of the invention;
Fig. 3 B shows the structural representation of high-throughput signal domain according to an embodiment of the invention;
Fig. 4 shows the structural representation of the frame head part of the mac frame of message frame according to an embodiment of the invention;
Fig. 5 shows the schematic block diagram of Wireless Telecom Equipment according to an embodiment of the invention.
Embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
Fig. 1 shows the schematic flow diagram of wireless communications method according to an embodiment of the invention.
As shown in Figure 1, wireless communications method, comprising: step 102, generating messages frame according to an embodiment of the invention, in described message frame, at least comprise ability information sign, described ability information sign represents that the transmit leg of described message frame has configured the ability of supporting equally loaded; Step 104, sends described message frame.
In this technical scheme, the transmit leg of message frame can be AP, and this AP comprises by transmission the message frame that ability information identifies, and makes to receive other AP or the STA(Station of this message frame, website or terminal) can give a response at this point.
Such as the AP1 in same ESS or OBSS, AP2 ... APn, each AP(is wherein as APm, 1≤m≤n) all can send above-mentioned message frame, for the AP(that receives this message frame as APi, 1≤i≤n and i ≠ m), in the time of can comprising aforementioned capabilities message identification in inquiring this message frame, and carry out load balancing between the AP of this message frame of transmission, and indirectly improve the throughput in region thus.
For another example when STA receives the above-mentioned message frame that AP sends, also can be by the checking of aforementioned capabilities message identification, it is balanced whether the AP that identification sends this message frame can holding load, thereby determine whether to access this AP, to better served.
Preferably, above-mentioned message frame can be broadcast message frame, multicast message frame or unicast messages frame, such as:
When message frame is broadcast message frame, can this message frame be sent in certain limit by transmit leg AP to all AP and the STA of (distance is far away, and signal strength signal intensity is more weak, until cannot be received, thereby has certain range of receiving).
When message frame is multicast message frame, can fill at the destination address of this message frame MAC Address as a plurality of equipment of recipient etc., thereby transmit leg AP only sends to AP or the STA in certain limit by this multicast message frame, or the one or more AP(that are sent to appointment in certain limit by transmit leg AP are such as the one or more AP in same ESS or OBSS), or one or more STA(of appointment in certain limit are such as the one or more STA in same ESS or OBSS).
When message frame is unicast messages frame, can this unicast messages frame can be directly sent to certain AP or certain STA(such as certain AP or STA in same OBSS by transmit leg AP).
Preferably, when above-mentioned message frame is broadcast message frame or multicast message frame, this message frame is specifically as follows beacon frame.Certainly, except beacon frame (Beacon), can be obviously also broadcast message frame or the multicast message frame of other any types.
Preferably, ability information sign can be arranged in the physical frame or mac frame of above-mentioned message frame.Particularly, the situation that this message frame is beacon frame of take is below example, and the setting position of ability information sign is elaborated.
(1) ability information sign is positioned at the frame head part of the physical frame of beacon frame
In WLAN technology, there is various protocols standard, in order to realize the support of various substandard settings and compatibility, set up multiple different mode, make the frame head of physical frame partly have corresponding multiple different structure.
1) non-high-throughput mode (Non-HT)
As shown in Figure 2 A, the schematic construction for the frame head part of the physical frame of the beacon frame under non-high-throughput mode, has wherein comprised original signal domain (L-SIG), ability information sign can be arranged in this original signal domain.
2) mixed mode (HT-mixed format)
As shown in Figure 2 B, schematic construction for the frame head part of the physical frame of beacon frame in composite mode, wherein include original signal domain and high-throughput signal domain (HT-SIG), ability information sign can be arranged in original signal domain, also ability information sign can be arranged in high-throughput signal domain, be arranged in two signal domain even simultaneously.
3) patterns of green area (HT-greenfield format)
As shown in Figure 2 C, the schematic construction for the frame head part of the physical frame of the beacon frame under patterns of green area, wherein includes high-throughput signal domain, ability information sign can be arranged in this high-throughput signal domain.
Fig. 3 A shows the structural representation of original signal domain according to an embodiment of the invention.
As shown in Figure 3A, in original signal domain according to an embodiment of the invention, can be in the reservation position of " 4 " in sequence number, add the ability information sign that the application proposes.
Fig. 3 B shows the structural representation of high-throughput signal domain according to an embodiment of the invention.
As shown in Figure 3 B, high-throughput signal domain is divided into two parts (symbol), is respectively HT-SIG
1and HT-SIG
2, wherein, at HT-SIG
2the sequence number of part is in the reservation position of " 2 ", can add the ability information sign that the application proposes.
(2) ability information sign is positioned at the frame head part of the mac frame of beacon frame
Fig. 4 shows the structural representation of the frame head part of the mac frame of message frame according to an embodiment of the invention.
As shown in Figure 4, ability information sign can be arranged in reservation territory wherein, such as use IE(Information Element, information element) form be arranged in reservation territory.Particularly, such as aforementioned capabilities message identification being added in the reservation territory between NDP advertised domain and AC constrained domain.
(3) ability information sign is positioned at the frame part of the mac frame of beacon frame
Particularly, in areas of capacity (Capability field) such as the frame part at mac frame, when the sequence number of this areas of capacity is " 0 ", for defined function in correlation technique, can define: when the sequence number of this areas of capacity is " 1 ", the ability information sign proposing for storing the application, specifically as shown in table 1:
| Position (Bit) | Information (Information) | Annotation (Notes) |
| 1 | Ability information sign | Transmit leg AP disposes the ability of holding load equilibrium |
Table 1
It should be noted that:
(1) in technique scheme, although with the physical frame structure in correlation technique and mac frame structure, the particular location that " the ability information sign " that the application is proposed may arrange illustrates, but those skilled in the art should understand that: along with continuous revision and the improvement of the relevant criterion of wlan network, above-mentioned physical frame structure and mac frame structure also may change, even cause above-mentioned " L-SIG ", " HT-SIG " etc. do not existed, but need only the frame head part at its physical frame, the frame head part of mac frame or frame are partly provided with the sign with " ability information sign " same or similar function, obviously just should belong in the application's scope required for protection, should be protected accordingly.
(2) in technique scheme, in message frame, only include " ability information sign ", be that the recipient of message frame is merely able to check in message frame, whether to include this " ability information sign ", if comprise, judge that the transmit leg of this message frame disposes the ability of holding load equilibrium, if do not comprise, holding load is not balanced to judge transmit leg.
Further, in fact can also be by the value of ability information sign be arranged, thereby determine the current state of the transmit leg of this message frame, such as whether sharing the load of the heavier AP of other loads, or whether need other AP the load of this transmit leg to be shared etc.
In order to realize above-mentioned expansion scheme, before generating described message frame, above-mentioned transmit leg AP also needs to obtain the loading condition of at least one Wireless Telecom Equipment, and described at least one Wireless Telecom Equipment and described transmit leg are in same extended service set or overlapping Basic Service Set; According to the loading condition of described at least one Wireless Telecom Equipment, transmit leg AP can arrange the value of described ability information sign, wherein: in described at least one Wireless Telecom Equipment, if exist arbitrary Wireless Telecom Equipment in low load condition, and transmit leg AP is in high load condition, and described ability information sign is set to the first value; If exist arbitrary Wireless Telecom Equipment in high load condition, and transmit leg AP is in low load condition, and described ability information sign is set to the second value.
In this technical scheme, by understanding in same as the loading condition of other AP in ESS or OBSS, the AP that sends above-mentioned message frame can be in conjunction with the loading condition of self, value to ability information sign arranges, such as the AP when sending above-mentioned message frame is in high load condition, and at least one AP in other AP is in low load condition, the AP that sends above-mentioned message frame can ability information sign be set to the first value, such as being set to " 1 ", to the AP by low load condition, the load of self is shared, to realize load balancing; When the AP that sends above-mentioned message frame is in low load condition, and at least one AP in other AP is in high load condition, the AP that sends above-mentioned message frame can ability information sign be set to the second value, such as being set to " 0 ", self can share the load of the AP in high load condition representing, to realize load balancing.
" low load condition " herein and the judgement of " high load condition ", can adopt various ways: for the transmit leg AP for above-mentioned, first kind of way, can preset a load parameter threshold value, when the numerical value of the load parameter of this transmit leg AP self is more than or equal to this load parameter threshold value, be judged to be in high load condition, otherwise be judged to be in low load condition; The second way, also can preset a high capacity parameter threshold and a low load parameter threshold value, when the numerical value of the load parameter of this transmit leg AP self is more than or equal to this high capacity parameter threshold, be judged to be in high load condition, when the numerical value of the load parameter of this transmit leg AP self is less than or equal to this low load parameter threshold value, be judged to be in low load condition.
And for above-mentioned transmit leg AP in same as the loading condition of other recipient AP in ESS or OBSS: first kind of way, recipient AP can send to transmit leg AP(by clean culture, multicast or broadcast message frame the numerical value of the load parameter of self, also can send to other more AP) simultaneously, transmit leg AP can adopt and be similar to the mode that the above-mentioned load condition to self judges, the load condition of recipient AP is judged; The second way, recipient AP can adopt load parameter threshold value or the high/low load parameter threshold value self arranging, and judge accordingly self in high load condition or low load condition, and directly this judged result informed to above-mentioned transmit leg AP(or send to other more AP simultaneously).
Fig. 5 shows the schematic block diagram of Wireless Telecom Equipment according to an embodiment of the invention.
As shown in Figure 5, Wireless Telecom Equipment 500 according to an embodiment of the invention, comprising: data processing module 502, for generating messages frame, in described message frame, at least comprise ability information sign, the ability of support equally loaded that described ability information sign has represented described wireless communications device configurations; Data interaction module 504, for sending described message frame.
In this technical scheme, Wireless Telecom Equipment 500 can be AP, and data processing module 502 can be the chip module of data processing in Wireless Telecom Equipment 500, and data interaction module 504 is equivalent to signal receiving/transmission device and antenna etc.Take Wireless Telecom Equipment 500 as AP be example, the message frame that this AP comprises ability information sign by transmission, makes to receive other AP or the STA(Station of this message frame, website or terminal) can give a response at this point.
Such as the AP1 in same ESS or OBSS, AP2 ... APn, each AP(is wherein as APm, 1≤m≤n) all can send above-mentioned message frame, for the AP(that receives this message frame as APi, 1≤i≤n and i ≠ m), in the time of can comprising aforementioned capabilities message identification in inquiring this message frame, and carry out load balancing between the AP of this message frame of transmission, and indirectly improve the throughput in region thus.
For another example when STA receives the above-mentioned message frame that AP sends, also can be by the checking of aforementioned capabilities message identification, it is balanced whether the AP that identification sends this message frame can holding load, thereby determine whether to access this AP, to better served.
In technique scheme, preferably, described data interaction module 504 also for: obtain the loading condition of at least one other Wireless Telecom Equipment, described at least one other Wireless Telecom Equipment and described Wireless Telecom Equipment are in same extended service set or overlapping Basic Service Set; Described data processing module also for: according to the loading condition of described at least one other Wireless Telecom Equipment, the value of described ability information sign is set, wherein: in described at least one other Wireless Telecom Equipment, if exist arbitrary other Wireless Telecom Equipment in low load condition, and described Wireless Telecom Equipment is in high load condition, and the described ability information sign of described data processing module is set to the first value; If exist arbitrary other Wireless Telecom Equipment in high load condition, and described Wireless Telecom Equipment is in low load condition, and the described ability information sign of described data processing module is set to the second value.
In this technical scheme, by understanding in same as the loading condition of other AP in ESS or OBSS, the AP that sends above-mentioned message frame can be in conjunction with the loading condition of self, value to ability information sign arranges, such as the AP when sending above-mentioned message frame is in high load condition, and at least one AP in other AP is in low load condition, the AP that sends above-mentioned message frame can ability information sign be set to the first value, such as being set to " 1 ", to the AP by low load condition, the load of self is shared, to realize load balancing; When the AP that sends above-mentioned message frame is in low load condition, and at least one AP in other AP is in high load condition, the AP that sends above-mentioned message frame can ability information sign be set to the second value, such as being set to " 0 ", self can share the load of the AP in high load condition representing, to realize load balancing.
" low load condition " herein and the judgement of " high load condition ", can adopt various ways: for the transmit leg AP for above-mentioned, first kind of way, can preset a load parameter threshold value, when the numerical value of the load parameter of this transmit leg AP self is more than or equal to this load parameter threshold value, be judged to be in high load condition, otherwise be judged to be in low load condition; The second way, also can preset a high capacity parameter threshold and a low load parameter threshold value, when the numerical value of the load parameter of this transmit leg AP self is more than or equal to this high capacity parameter threshold, be judged to be in high load condition, when the numerical value of the load parameter of this transmit leg AP self is less than or equal to this low load parameter threshold value, be judged to be in low load condition.
And for above-mentioned transmit leg AP in same as the loading condition of other recipient AP in ESS or OBSS: first kind of way, recipient AP can send to transmit leg AP(by clean culture, multicast or broadcast message frame the numerical value of the load parameter of self, also can send to other more AP) simultaneously, transmit leg AP can adopt and be similar to the mode that the above-mentioned load condition to self judges, the load condition of recipient AP is judged; The second way, recipient AP can adopt load parameter threshold value or the high/low load parameter threshold value self arranging, and judge accordingly self in high load condition or low load condition, and directly this judged result informed to above-mentioned transmit leg AP(or send to other more AP simultaneously).
In above-mentioned arbitrary technical scheme, preferably, described ability information identifies one or more positions of the frame head part of the physical frame that can comprise described message frame.
Particularly, such as ability information sign can be arranged on the one or more positions in the signal domain of frame head part of physical frame of described message frame.This signal domain (SIG) can be defined original signal domain (L-SIG) in correlation technique or high-throughput signal domain (HT-SIG), also can be for not yet defining at present the signal domain of other types.
In above-mentioned arbitrary technical scheme, preferably, described ability information sign can comprise the frame head part of media access control frame or one or more positions of frame part of described message frame.
Particularly, in a kind of situation, described ability information sign can comprise the one or more positions in the control domain of frame head part of media access control frame of described message frame; Or in another kind of situation, described ability information sign also can comprise the one or more positions in the areas of capacity of frame part of media access control frame of described message frame, such as the form with IE is placed in aforementioned capabilities territory.
In above-mentioned arbitrary technical scheme, preferably, described message frame is broadcast message frame, multicast message frame or unicast messages frame.
In this technical scheme, message frame can send by different modes such as broadcast, multicast, clean cultures, if message frame is broadcast message frame, all AP in certain limit and STA can receive this message frame; If message frame is multicast message frame, this multicast message frame can only send to AP or the STA in certain limit, or one or more AP of appointment in certain limit, or one or more STA of appointment in certain limit; If message frame is unicast messages frame, this unicast messages frame can directly be sent to certain AP(such as the AP in same OBSS) or certain STA.
In above-mentioned arbitrary technical scheme, preferably, also comprise: described broadcast message frame or multicast message frame are beacon frame.
In this technical scheme, broadcast message frame or multicast message frame can be beacon frame, or the message frame of other types.
More than be described with reference to the accompanying drawings technical scheme of the present invention, the application has proposed a kind of wireless communications method and a kind of Wireless Telecom Equipment, can be so that the transmit leg of message frame can be informed recipient to the operational capacity of equally loaded support by self, so that the equally loaded in feasible region, thereby indirectly improve the throughput in whole region.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. a wireless communications method, is characterized in that, comprising:
Generating messages frame, at least comprises ability information sign in described message frame, described ability information sign represents that the transmit leg of described message frame has configured the ability of supporting equally loaded;
Send described message frame.
2. wireless communications method according to claim 1, is characterized in that, before generating described message frame, also comprises:
Obtain the loading condition of at least one Wireless Telecom Equipment, described at least one Wireless Telecom Equipment and described transmit leg are in same extended service set or overlapping Basic Service Set;
According to the loading condition of described at least one Wireless Telecom Equipment, the value of described ability information sign is set, wherein:
In described at least one Wireless Telecom Equipment, if exist arbitrary Wireless Telecom Equipment in low load condition, and described transmit leg is in high load condition, and described ability information sign is set to the first value;
If exist arbitrary Wireless Telecom Equipment in high load condition, and described transmit leg is in low load condition, and described ability information sign is set to the second value.
3. wireless communications method according to claim 1 and 2, is characterized in that,
One or more positions of the frame head part of the physical frame that described ability information sign comprises described message frame;
Or described ability information identifies one or more positions of frame head part or the frame part of the media access control frame that comprises described message frame.
4. wireless communications method according to claim 3, is characterized in that,
One or more positions in the signal domain of the frame head part of the physical frame that described ability information sign comprises described message frame;
Or the one or more positions in the control domain of the frame head part of the described ability information sign media access control frame that comprises described message frame;
Or the one or more positions in the areas of capacity of the frame part of the described ability information sign media access control frame that comprises described message frame.
5. wireless communications method according to claim 1 and 2, is characterized in that, also comprises: described message frame is broadcast message frame, multicast message frame or unicast messages frame.
6. wireless communications method according to claim 5, is characterized in that, also comprises: described broadcast message frame or multicast message frame are beacon frame.
7. a Wireless Telecom Equipment, is characterized in that, comprising:
Data processing module, for generating messages frame, at least comprises ability information sign in described message frame, the ability of support equally loaded that described ability information sign has represented described wireless communications device configurations;
Data interaction module, for sending described message frame.
8. Wireless Telecom Equipment according to claim 7, is characterized in that,
Described data interaction module also for: obtain the loading condition of at least one other Wireless Telecom Equipment, described at least one other Wireless Telecom Equipment and described Wireless Telecom Equipment are in same extended service set or overlapping Basic Service Set;
Described data processing module also for: according to the loading condition of described at least one other Wireless Telecom Equipment, the value of described ability information sign is set, wherein:
In described at least one other Wireless Telecom Equipment, if exist arbitrary other Wireless Telecom Equipment in low load condition, and described Wireless Telecom Equipment is in high load condition, and the described ability information sign of described data processing module is set to the first value;
If exist arbitrary other Wireless Telecom Equipment in high load condition, and described Wireless Telecom Equipment is in low load condition, and the described ability information sign of described data processing module is set to the second value.
9. according to the Wireless Telecom Equipment described in claim 7 or 8, it is characterized in that,
One or more positions of the frame head part of the physical frame that described ability information sign comprises described message frame;
Or described ability information identifies one or more positions of frame head part or the frame part of the media access control frame that comprises described message frame.
10. Wireless Telecom Equipment according to claim 9, is characterized in that,
One or more positions in the signal domain of the frame head part of the physical frame that described ability information sign comprises described message frame;
Or the one or more positions in the control domain of the frame head part of the described ability information sign media access control frame that comprises described message frame;
Or the one or more positions in the areas of capacity of the frame part of the described ability information sign media access control frame that comprises described message frame.
11. according to the Wireless Telecom Equipment described in claim 7 or 8, it is characterized in that, described message frame is broadcast message frame, multicast message frame or unicast messages frame.
12. Wireless Telecom Equipments according to claim 11, is characterized in that, also comprise: described broadcast message frame or multicast message frame are beacon frame.
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