CN103166686B - The intelligence being applied to room point WLAN (wireless local area network) divides wireless access system, device and method - Google Patents

The intelligence being applied to room point WLAN (wireless local area network) divides wireless access system, device and method Download PDF

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CN103166686B
CN103166686B CN201310066743.4A CN201310066743A CN103166686B CN 103166686 B CN103166686 B CN 103166686B CN 201310066743 A CN201310066743 A CN 201310066743A CN 103166686 B CN103166686 B CN 103166686B
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radiofrequency signal
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signal stream
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CN103166686A (en
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黄如希
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Ruijie Networks Co Ltd
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Fujian Star Net Communication Co Ltd
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Abstract

The invention discloses a kind of intelligence being applied to room point WLAN (wireless local area network) and divide wireless access system, device and method, this system comprises AP and M antenna, M=k × N, N >=2, k >=1, M antenna lays respectively at k Indoor environment, every N number of antenna is positioned at same Indoor environment, connected by feeder line between AP and antenna, baseband signal to be sent is carried out space-time code and is obtained N number of sub-baseband signal streams by AP, this N number of sub-baseband signal streams is modulated into N number of radiofrequency signal stream, and respectively each radiofrequency signal flow point is made into k way radiofrequency signal stream, one way radiofrequency signal stream of each radiofrequency signal stream corresponds to the corresponding antenna of each Indoor environment, the K way radiofrequency signal stream each radiofrequency signal flow assignment obtained sends to antenna corresponding in each Indoor environment, N number of space channel can be formed at same Indoor environment, the space channel capacity that WLAN wireless access is divided in room can be improved, improve the availability of frequency spectrum.

Description

The intelligence being applied to room point WLAN (wireless local area network) divides wireless access system, device and method
Technical field
The present invention relates to wireless communication system, particularly, relate to a kind of intelligence being applied to room point WLAN (wireless local area network) and divide wireless access system, device and method, the network equipment.
Background technology
Increasingly mature along with radio network technique, wireless network accept by increasing enterprise customer.The introducing of wireless network, for enterprises and individuals provides a kind of novel network application platform, for enterprise creates wireless working space freely.From routine office work environment to the trans-regional network interconnection, wireless network all plays important role.
At present, WLAN (wireless local area network) (WLAN, WirelessLocalAreaNetwork) becomes a focus in radio network technique.WLAN is not by the local area network (LAN) that any wire or transmission cable connect, and uses the medium that radio frequency (RF, RadioFrequency) technology is transmitted as data by radio wave, and transmitting range generally only has tens meters.The backbone network of WLAN (wireless local area network) uses wire cable (Cable) usually, and WLAN user is by one or more access point (AP, AccessPoints) accessing WLAN.
The indoor wireless networks quorum sensing inhibitor of WLAN adopts usually puts dress deployment scheme and room point deployment scheme.
Divide in room in deployment scheme, between light current AP being arranged on building or the ceiling of corridor, the power distributing circuit comprising power splitter, coupler, feeder line, the antenna being positioned at Indoor environment and passive accessory etc. is adopted to be connected with AP, the radiofrequency signal that AP exports is incorporated into the indoor of multiple rooms of buildings, realizes the covering of indoor radio signal.There is following shortcoming in this mode: the radiofrequency signal that the first, WLAN exports will through various power splitter, coupler and cable, the attenuating of passive device and feeder line radio frequency signal is obvious, cause signal to reach the intensity difference of each antenna, covering effect of signals is uneven; The second, usually the passive accessory adopted is universal accessories, and bandwidth is too large, and interference free performance is poor, is easily subject to the impact of 2G, 3G signal; Three, material is many, accessory kind is many, and lower deployment cost is higher, difficulty of construction is larger.
A kind of room of being applied to divides the wireless access system of WLAN to solve the problem.Fig. 1 shows the structured flowchart that the wireless access system of WLAN is divided in the room of being applied to, and this system comprises AP11 and at least one antenna 12, antenna 12 is positioned at an Indoor environment, and AP11 is connected respectively by feeder line 13 with each antenna 12.
The digital signal coming from wireless bridge or other control systems is converted to radiofrequency signal to be sent by AP11, radiofrequency signal to be sent is assigned as at least one way radiofrequency signal that way is identical with the quantity of antenna 12, and accordingly a way radiofrequency signal is sent to an antenna 12.The radiofrequency signal received sends by antenna 12.
AP as shown in Figure 1, the power division to sent two-frequency signal can be realized, realize the quorum sensing inhibitor that two-frequency signal is provided at Indoor environment simultaneously, and, the signal strength signal intensity of two-frequency signal all can not be subject to the obstruct of building masonry wall and decay, in the space at antenna place, quorum sensing inhibitor is even, and the signal disturbing between AP is little, and the interference being subject to other communication system is little.
But, under AP as shown in Figure 1 can only be operated in single-stream mode, a road output signal can only be provided in a building space, under also namely this AP can only be operated in single output mode, so just cause the space channel finite capacity that system as shown in Figure 1 provides, the availability of frequency spectrum is low.
Summary of the invention
In view of this, embodiments provide a kind of intelligence being applied to room point WLAN (wireless local area network) and divide wireless access system, device and method, the network equipment, in order to solve the space channel finite capacity that the room of being applied in prior art divides the wireless access system of WLAN to provide, the problem that the availability of frequency spectrum is low.
Embodiment of the present invention technical scheme is as follows:
A kind of intelligence being applied to room point WLAN (wireless local area network) divides wireless access system, comprise: an access point AP and M antenna, wherein, M=k × N, N be more than or equal to 2 natural number, k is natural number, and M antenna lays respectively at k Indoor environment, every N number of described antenna is positioned at same Indoor environment, is connected between described AP and described antenna by feeder line; Described AP, N number of sub-baseband signal streams is obtained for flowing through space-time code to sent baseband signal, this N number of sub-baseband signal streams is modulated into N number of radiofrequency signal stream, and respectively each radiofrequency signal flow point is made into k way radiofrequency signal stream, one way radiofrequency signal stream of each radiofrequency signal stream corresponds to the corresponding antenna of each Indoor environment, and the K way radiofrequency signal stream each radiofrequency signal flow assignment obtained sends to antenna corresponding in each Indoor environment; Described antenna, for sending described sub-radiofrequency signal stream.
The intelligence being applied to room point WLAN (wireless local area network) divides a wireless access device, comprising: coding module, obtains N number of sub-baseband signal streams for flowing through space-time code to sent baseband signal; Modulation allocation module, N number of radiofrequency signal stream is modulated into for the N number of sub-baseband signal streams obtained of being encoded by described coding module, and respectively each radiofrequency signal flow point being made into k way radiofrequency signal stream, a way radiofrequency signal stream of each radiofrequency signal stream corresponds to the corresponding antenna of each Indoor environment; Sending module, the K way radiofrequency signal stream for each radiofrequency signal flow assignment being obtained sends to antenna corresponding in each Indoor environment; Wherein, N be more than or equal to 2 natural number, k is natural number.
A kind of network equipment, comprises the intelligence being applied to room point WLAN (wireless local area network) as above and divides wireless access device.
The intelligence being applied to room point WLAN (wireless local area network) divides a radio switch-in method, comprising: flow through space-time code to sent baseband signal and obtain N number of sub-baseband signal streams; Wherein, N be more than or equal to 2 natural number; This N number of sub-baseband signal streams is modulated into N number of radiofrequency signal stream, and respectively each radiofrequency signal flow point is made into k way radiofrequency signal stream, a way radiofrequency signal stream of each radiofrequency signal stream corresponds to the corresponding antenna of each Indoor environment; Wherein, k is natural number; The K way radiofrequency signal stream each radiofrequency signal flow assignment obtained sends to antenna corresponding in each Indoor environment.
A kind of intelligence being applied to room point WLAN (wireless local area network) divides wireless access system, comprise: an access point AP and M antenna, wherein, M=k × N, N be more than or equal to 2 natural number, k is natural number, and M antenna lays respectively at k Indoor environment, every N number of described antenna is positioned at same Indoor environment, is connected between described AP and described antenna by feeder line; Described AP, the first sub-baseband signal streams group and the second sub-baseband signal streams group is obtained for carrying out space-time code to sent baseband signal streams, described first sub-baseband signal streams group and described second sub-baseband signal streams group include N number of sub-baseband signal streams, and described first sub-baseband signal streams group is identical with corresponding sub-baseband signal streams in described second sub-baseband signal streams group; N number of sub-baseband signal streams in described first sub-baseband signal streams group is modulated into N number of first radiofrequency signal stream, and respectively each first radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road first, each first sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel first corresponds to the corresponding antenna of each Indoor environment; N number of sub-baseband signal streams in described second sub-baseband signal streams group is modulated into N number of second radiofrequency signal stream, and respectively each second radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road second, each second sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel second corresponds to the corresponding antenna of each Indoor environment; The antenna sending to correspondence in each Indoor environment is merged by the K road first sub-radiofrequency signal stream obtained each first radiofrequency signal flow assignment with to the K road second sub-radiofrequency signal stream that each second radiofrequency signal flow assignment obtains; Described antenna, for the second sub-radiofrequency signal stream described in the first sub-radiofrequency signal Liu He mono-tunnel described in transmission and reception Dao mono-tunnel.
A kind of intelligence being applied to room point WLAN (wireless local area network) divides wireless access device, comprise: coding module, the first sub-baseband signal streams group and the second sub-baseband signal streams group is obtained for carrying out space-time code to sent baseband signal streams, described first sub-baseband signal streams group and described second sub-baseband signal streams group include N number of sub-baseband signal streams, and described first sub-baseband signal streams group is identical with corresponding sub-baseband signal streams in described second sub-baseband signal streams group; First modulation allocation module, for being modulated into N number of first radiofrequency signal stream by from the N number of sub-baseband signal streams in the described first sub-baseband signal streams group of described coding module, and respectively each first radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road first, each first sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel first corresponds to the corresponding antenna of each Indoor environment; Second modulation allocation module, for being modulated into N number of second radiofrequency signal stream by from the N number of sub-baseband signal streams in the described second sub-baseband signal streams group of described coding module, and respectively each second radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road second, each second sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel second corresponds to the corresponding antenna of each Indoor environment; Sending module, to merge the K road second sub-radiofrequency signal stream that each second radiofrequency signal flow assignment obtains for the K road first sub-radiofrequency signal stream that described first modulation allocation module obtained each first radiofrequency signal flow assignment and described second modulation allocation module and sends to antenna corresponding in each Indoor environment.
A kind of network equipment, comprises the intelligence being applied to room point WLAN (wireless local area network) as above and divides wireless access device.
A kind of intelligence being applied to room point WLAN (wireless local area network) divides radio switch-in method, comprise: obtain the first sub-baseband signal streams group and the second sub-baseband signal streams group for carrying out space-time code to sent baseband signal streams, described first sub-baseband signal streams group and described second sub-baseband signal streams group include N number of sub-baseband signal streams, and described first sub-baseband signal streams group is identical with corresponding sub-baseband signal streams in described second sub-baseband signal streams group; N number of sub-baseband signal streams in described first sub-baseband signal streams group is modulated into N number of first radiofrequency signal stream, and respectively each first radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road first, each first sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel first corresponds to the corresponding antenna of each Indoor environment; N number of sub-baseband signal streams in described second sub-baseband signal streams group is modulated into N number of second radiofrequency signal stream, and respectively each second radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road second, each second sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel second corresponds to the corresponding antenna of each Indoor environment; The antenna sending to correspondence in each Indoor environment is merged by the K road first sub-radiofrequency signal stream obtained each first radiofrequency signal flow assignment with to the K road second sub-radiofrequency signal stream that each second radiofrequency signal flow assignment obtains.
The intelligence of WLAN is divided to divide wireless access system according to the room of being applied to that the embodiment of the present invention provides, this system comprises AP and M antenna, M=k × N, N be more than or equal to 2 natural number, k is natural number, M antenna lays respectively at k Indoor environment, every N number of antenna is positioned at same Indoor environment, connected by feeder line between AP and antenna, baseband signal to be sent is carried out space-time code and is obtained N number of sub-baseband signal streams by AP, this N number of sub-baseband signal streams is modulated into N number of radiofrequency signal stream, and respectively each radiofrequency signal flow point is made into k way radiofrequency signal stream, one way radiofrequency signal stream of each radiofrequency signal stream corresponds to the corresponding antenna of each Indoor environment, the K way radiofrequency signal stream each radiofrequency signal flow assignment obtained sends to antenna corresponding in each Indoor environment, the N number of antenna being positioned at same Indoor environment is the N number of sub-radiofrequency signal stream that arrives of transmission and reception respectively, N number of space channel can be formed at same Indoor environment, the space channel capacity that WLAN wireless access is divided in room can be improved, improve the availability of frequency spectrum, thus the space channel finite capacity dividing the wireless access system of WLAN to provide in the room of being applied in prior art can be solved, the problem that the availability of frequency spectrum is low.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Fig. 1 is the structured flowchart that in prior art, the wireless access system of WLAN is divided in the room of being applied to;
Fig. 2 is for dividing the intelligence of WLAN to divide the structured flowchart of wireless access system in the room of being applied to that the embodiment of the present invention provides;
Fig. 3 is for dividing the intelligence of WLAN to divide the workflow diagram of radio switch-in method in the room of being applied to that the embodiment of the present invention provides;
Fig. 4 is for dividing the intelligence of WLAN to divide the structured flowchart of wireless access device in the room of being applied to that the embodiment of the present invention provides;
Fig. 5 is the structured flowchart of the modulation allocation module specific implementation in Fig. 4 shown device;
Fig. 6 is another structured flowchart of the modulation allocation module specific implementation in Fig. 4 shown device;
Fig. 7 is for dividing the intelligence of WLAN to divide another workflow of radio switch-in method in the room of being applied to that inventive embodiments provides;
Fig. 8 is for dividing the intelligence of WLAN to divide another structured flowchart of wireless access device in the room of being applied to that the embodiment of the present invention provides;
Fig. 9 is for dividing the intelligence of WLAN to divide another workflow of radio switch-in method in the room of being applied to that inventive embodiments provides;
Figure 10 is for dividing the intelligence of WLAN to divide another structured flowchart of wireless access device in the room of being applied to that the embodiment of the present invention provides;
Figure 11 is for dividing the intelligence of WLAN to divide another workflow of radio switch-in method in the room of being applied to that inventive embodiments provides;
Figure 12 is for dividing the intelligence of WLAN to divide another structured flowchart of wireless access device in the room of being applied to that the embodiment of the present invention provides.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described, should be appreciated that embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
The space channel finite capacity dividing the wireless access system of WLAN to provide for the room of being applied in prior art, the problem that the availability of frequency spectrum is low, embodiments provide a kind of intelligence being applied to room point WLAN (wireless local area network) and divide radio access scheme, in order to solve this problem.
In embodiments of the present invention, the implication of " intelligence is divided " is for carry out smart allocation to signal, and the implication of " room of being applied to divides the intelligence of WLAN to divide wireless access system " is wireless access system signal being carried out to smart allocation being applied to room somatotype WLAN.
Illustrate the technical scheme of the embodiment of the present invention below.
Embodiment one
The room of being applied to that Fig. 2 shows the embodiment of the present invention to be provided divides the intelligence of WLAN to divide the structure of wireless access system, and this system comprises:
AP21 and M antenna 22, wherein, M=k × N, N be more than or equal to 2 natural number, k is natural number, and M antenna 22 lays respectively at k Indoor environment, and every N number of antenna 22 is positioned at same Indoor environment, is connected between AP21 and antenna 22 by feeder line 23;
AP21, N number of sub-baseband signal streams is obtained for flowing through space-time code to sent baseband signal, this N number of sub-baseband signal streams is modulated into N number of radiofrequency signal stream, and respectively each radiofrequency signal flow point is made into k way radiofrequency signal stream, one way radiofrequency signal stream of each radiofrequency signal stream corresponds to the corresponding antenna of each Indoor environment, and the k way radiofrequency signal stream each radiofrequency signal flow assignment obtained sends to antenna corresponding in each Indoor environment;
Wherein, AP21 can adopt space-time code method of the prior art to carry out coding to sent baseband signal and obtain N number of sub-baseband signal streams;
Each radiofrequency signal flow point in N number of radiofrequency signal stream is made into k way radiofrequency signal stream by AP21 respectively, specifically comprises: the k way radiofrequency signal stream that in N number of radiofrequency signal stream that modulation obtains by AP21, each radiofrequency signal flow assignment success rate is identical; Or, each radiofrequency signal flow point is made into the k way radiofrequency signal stream that performance number each other meets predetermined ratio relation; Or, each radiofrequency signal flow point is made into the k way radiofrequency signal stream of predetermined power value; The working frequency range modulating the radiofrequency signal stream obtained comprises: 2.4GHZ to 2.4835GHz, or 5.8GHZ to 5.85GHz
Antenna 22, for sending the sub-radiofrequency signal stream from AP21.
The room of being applied to that Fig. 3 shows the embodiment of the present invention to be provided divides the intelligence of WLAN to divide the workflow of radio switch-in method, and also namely Fig. 3 shows the workflow of AP21 shown in Fig. 2, and this workflow comprises:
Step 301, AP21 flow through space-time code to sent baseband signal and obtain N number of sub-baseband signal streams, and such as, this N number of sub-baseband signal streams is S 1, S 2..., S n;
Particularly, AP21 carries out the method for space-time code can be space-time code method of the prior art;
This N number of sub-baseband signal streams is modulated into N number of radiofrequency signal stream by step 302, AP21, and respectively each radiofrequency signal flow point being made into k way radiofrequency signal stream, a way radiofrequency signal stream of each radiofrequency signal stream corresponds to the corresponding antenna of each Indoor environment;
Such as, by N number of sub-baseband signal streams S 1, S 2..., S nbe modulated into N number of radiofrequency signal stream F 1, F 2..., F n, by radiofrequency signal stream F 1be distributed into k way radiofrequency signal stream F 11, F 12..., F 1k, by radiofrequency signal stream F 2be distributed into k way radiofrequency signal stream F 21, F 22..., F 2k, in like manner, by radiofrequency signal stream F nbe distributed into k way radiofrequency signal stream F n1, F n2..., F nk, then, the sub-radiofrequency signal stream matrix be made up of the k way radiofrequency signal stream of each radiofrequency signal stream in N number of radiofrequency signal stream is [F nk];
Particularly, AP21 will modulate the k way radiofrequency signal stream that in N number of radiofrequency signal stream of obtaining, each radiofrequency signal flow assignment success rate is identical; Or, each radiofrequency signal flow point is made into the k way radiofrequency signal stream that performance number each other meets predetermined ratio relation; Or, each radiofrequency signal flow point is made into the k way radiofrequency signal stream of predetermined power value; The working frequency range modulating the radiofrequency signal stream obtained comprises: 2.4GHZ to 2.4835GHz, or 5.8GHZ to 5.85GHz;
The k way radiofrequency signal stream that each radiofrequency signal flow assignment obtains by step 303, AP21 to send in each Indoor environment corresponding antenna, with the N number of antenna making the to be positioned at same Indoor environment N number of sub-radiofrequency signal stream that arrives of transmission and reception respectively.
Such as, be T at the internal indicator of each antenna of each Indoor environment 1, T 2..., T n, being then numbered of k × N number of antenna of k Indoor environment: the antenna of the 1st Indoor environment is designated T 11, T 12..., T 1N, the antenna of the 2nd Indoor environment is designated T 21, T 22..., T 2N, in like manner, the antenna of a kth Indoor environment is designated T k1, T k2..., T kN, then the array of k × N number of antenna is [T kN]; Radiofrequency signal stream F1 corresponds to the T of each Indoor environment 1antenna, radiofrequency signal stream F 2corresponding to the T of each Indoor environment 2antenna, the like, radiofrequency signal stream F ncorresponding to the T of each Indoor environment nantenna, then, and radio frequency signal stream F 1distribute and obtain k way radiofrequency signal stream F 11, F 12..., F 1kcorrespond respectively to the T of each Indoor environment 1antenna, by sub-radiofrequency signal stream F 11send to T 11antenna, by sub-radiofrequency signal stream F 12send to T 21antenna ..., by sub-radiofrequency signal stream F 1ksend to T k1antenna, radio frequency signal stream F 2distribute and obtain k way radiofrequency signal stream F 21, F 22..., F 2kcorrespond respectively to the T of each Indoor environment 2antenna, by sub-radiofrequency signal stream F 21send to T 12antenna, by sub-radiofrequency signal stream F 22send to T 22antenna ..., by sub-radiofrequency signal stream F 2ksend to T k2antenna, the like, radio frequency signal stream F ndistribute and obtain k way radiofrequency signal stream F n1, F n2..., F nkcorrespond respectively to the T of each Indoor environment nantenna, by sub-radiofrequency signal stream F n1send to T 1Nantenna, by sub-radiofrequency signal stream F n2send to T 2Nantenna ..., by sub-radiofrequency signal stream F nksend to T kNantenna.
Can be found out by the operation principle of system as shown in Figure 2 and AP21, at each Indoor environment of k Indoor environment, N number of antenna is set, obtain the antenna array of k × N, space-time code is carried out to sent baseband signal and modulation allocation obtains N × k road sub-radiofrequency signal stream to be sent by AP21, and sub-radiofrequency signal to be sent for N × k road is sent to k × N number of antenna accordingly, N number of space delivery channel can be formed at same Indoor environment, improve the space channel capacity that WLAN wireless access is divided in room, improve the availability of frequency spectrum, thus the space channel finite capacity dividing the wireless access system of WLAN to provide in the room of being applied in prior art can be solved, the problem that the availability of frequency spectrum is low.
Preferably, in above-mentioned steps 302, AP21 can also exchange the N number of radiofrequency signal stream obtained and carry out filtering respectively, each radiofrequency signal flow point in filtered N number of radiofrequency signal stream is made into k way radiofrequency signal stream, by filtering operation, the frequency range beyond predetermined working frequency range is isolated, the interference free performance of AP21 can be improved further;
Preferably, in above-mentioned steps 302, AP21 can also carry out power amplification, to obtain the sub-radiofrequency signal stream that transmitting power meets launch requirements respectively to distributing the k way radiofrequency signal stream obtained.
Based on identical inventive concept, the embodiment of the present invention additionally provides a kind of room of being applied to and divides the intelligence of WLAN to divide wireless access device; Preferably, this device is arranged in AP.
The room of being applied to that Fig. 4 shows the embodiment of the present invention to be provided divides the intelligence of WLAN to divide the structure of wireless access device, and this device comprises:
Coding module 41, obtain N number of sub-baseband signal streams for flowing through space-time code to sent baseband signal, as mentioned above, N number of sub-baseband signal streams is S 1, S 2..., S n; Particularly, coding module 41 can adopt space-time code method of the prior art to encode;
Modulation allocation module 42, be connected to coding module 41, N number of radiofrequency signal stream is modulated into for the N number of sub-baseband signal streams obtained of being encoded by coding module 41, and respectively each radiofrequency signal flow point is made into k way radiofrequency signal stream, one way radiofrequency signal stream of each radiofrequency signal stream corresponds to the corresponding antenna of each Indoor environment, as mentioned above, the signal stream matrix be made up of the k way radiofrequency signal stream of each radiofrequency signal stream in N number of radiofrequency signal stream is [F nk]; Particularly, modulation allocation module 42 will modulate the k way radiofrequency signal stream that in N number of radiofrequency signal stream of obtaining, each radiofrequency signal flow assignment success rate is identical; Or, each radiofrequency signal flow point is made into the k way radiofrequency signal stream that performance number each other meets predetermined ratio relation; Or, each radiofrequency signal flow point is made into the k way radiofrequency signal stream of predetermined power value; The working frequency range modulating the radiofrequency signal stream (or sub-radiofrequency signal stream) obtained comprises: 2.4GHZ to 2.4835GHz, or 5.8GHZ to 5.85GHz;
Sending module 43, is connected to modulation allocation module 42, for modulation allocation module 42 is sent to antenna corresponding in each Indoor environment to the k way radiofrequency signal stream that each radiofrequency signal flow assignment obtains; By sub-radiofrequency signal stream matrix [F nk] send to antenna array [T accordingly kN].
The operation principle of Fig. 4 shown device as shown in Figure 3, repeats no more here.
By device as shown in Figure 4, N × k sub-radiofrequency signal stream can be provided for the k × N number of antenna being positioned at Indoor environment, realize multichannel output, thus N number of space delivery channel can be formed at same Indoor environment, improve room to divide the space channel capacity of WLAN wireless access, improve the availability of frequency spectrum, thus the space channel finite capacity that the room of being applied in prior art divides the wireless access system of WLAN to provide, the problem that the availability of frequency spectrum is low can be solved.
In the process of specific implementation, modulation allocation module 42 can realize by pass-through mode, lists two kinds of implementations of modulation allocation module 42 below.
Mode one, as shown in Figure 5, N number of modulation allocation submodule 42 arranged side by side in modulation allocation module 42, can be comprised 1 ... N, each modulation allocation submodule 42 iaccordingly to a sub-baseband signal streams S icarry out modulating and allocation process, i=1 ..., N, each modulation allocation submodule 42 icomprise k sub-processing module 42 ip, p=1 ..., k, every sub-processing module 42 ipsub-baseband signal streams Si is converted to sub-radiofrequency signal stream F individually ip, be also each modulation allocation submodule 42 ia sub-baseband signal streams Si is converted to k sub-radiofrequency signal stream F i1, F i2..., F ik, such as, modulation allocation submodule 42 1antithetical phrase baseband signal streams S 1carry out modulating and allocation process, obtain sub-radiofrequency signal stream F 11, F 12..., F 1k, in like manner, modulation allocation submodule 42 nantithetical phrase baseband signal streams S ncarry out modulating and allocation process, obtain sub-radiofrequency signal stream F n1, F n2..., F nk.Wherein, each modulation allocation submodule 42 ican be realized by a logic gate array chip.
Mode two, as shown in Figure 6, N number of modulation allocation submodule 42 arranged side by side in modulation allocation module 42, can be comprised 1 ... N, each modulation allocation submodule is modulated and allocation process a sub-baseband signal streams accordingly, and each modulation allocation submodule comprises modulation submodule 421 iwith distribution sub module 422 i, modulation submodule 421 iantithetical phrase baseband signal S icarry out modulation and obtain radiofrequency signal stream F i, distribution sub module 422 iexchange system module 421 imodulation obtains radiofrequency signal stream F icarry out power division, obtain k way radiofrequency signal stream F i1, F i2..., F ik, modulation submodule 421 ican be realized by the composite design of existing rf modulations chip or lamped element, distribution sub module 422 ican be realized by existing power division chip, or distribution sub module 422 irealized by PCB cabling mode.
By the way one, can modulation allocation submodule 42 be passed through iin each sub-processing module 42 ipdirectly, independently the circulation of subbase band signal is changed to sub-radiofrequency signal stream, each sub-processing module 42 ipbetween work alone, processing speed is fast, efficiency is high.
By the way two, modulation allocation module 42 can be realized comparatively easily, realize that difficulty is little, equipment cost is low.
Preferably, in aforesaid way one, can also every sub-processing module 42 ipin to processing the sub-radiofrequency signal stream F that obtains ipcarry out filtering and power amplification process, in aforesaid way two, at modulation submodule 421 iwith distribution sub module 422 ibasis on increase and carry out the functional unit of filtering process and function amplification process, with antithetical phrase radiofrequency signal stream F ipcarry out filtering and power amplification process.
Based on identical inventive concept, the embodiment of the present invention additionally provides a kind of network equipment, and this network equipment room of being applied to comprised as shown in Figure 4 divides the intelligence of WLAN to divide wireless access device, and preferably, this network equipment can be AP.
Embodiment two
On the basis of system shown in Figure 2, the room of being applied to that the embodiment of the present invention provides divides the intelligence of WLAN to divide the AP21 in wireless access system can also to process the signal received by antenna 22.
The room of being applied to that Fig. 7 shows inventive embodiments to be provided divides the intelligence of WLAN to divide the workflow of radio switch-in method, and the method is used for AP and processes to the received signal, and the method comprises:
Step 701, AP21 receive the sub-radiofrequency signal stream from N number of antenna of each Indoor environment;
The sub-radiofrequency signal that corresponding antenna from the N number of antenna in each Indoor environment receives is demodulated into N × k radiofrequency signal stream by step 702, AP21;
Step 703, AP21 carry out space-time decoding to N × k the radiofrequency signal stream that demodulation obtains and obtain baseband signal streams.
Such as, each Indoor environment be designated T 1antenna corresponding, be designated T 2antenna corresponding, the like, be designated T nantenna corresponding; Then, the sub-radiofrequency signal that corresponding antenna receives from the N number of antenna each Indoor environment is [X nk], by sub-radiofrequency signal [X nk] be demodulated into radiofrequency signal stream [Y nk], and radio frequency signal stream [Y nk] carry out space-time decoding obtain baseband signal.
Based on identical inventive concept, the room of being applied to that Fig. 8 shows the embodiment of the present invention to be provided divides the intelligence of WLAN to divide the structure of wireless access device, this device is arranged in AP, and on the basis of Fig. 4 shown device, this AP also comprises: receiver module 44, demodulation module 45, decoder module 46;
Receiver module 44 is for receiving the sub-radiofrequency signal stream of N number of antenna of each Indoor environment;
Demodulation module 45, is connected to receiver module 44, for the receiver module 44 sub-radiofrequency signal that corresponding antenna receives from the N number of antenna each Indoor environment is demodulated into N × k radiofrequency signal stream;
Decoder module 46, is connected to demodulation module 45, and N × k the radiofrequency signal stream for demodulation module 45 demodulation being obtained carries out space-time decoding and obtains baseband signal streams.
Thus the intelligence being applied to room point WLAN (wireless local area network) that the embodiment of the present invention provides divides wireless access system can form multiple effective output transmission channel and input transmission channel at Indoor environment, can improve room significantly and divide the space channel capacity of WLAN wireless access, improves the availability of frequency spectrum.
Based on identical inventive concept, the embodiment of the present invention additionally provides a kind of network equipment, and this network equipment room of being applied to comprised as shown in Figure 8 divides the intelligence of WLAN to divide wireless access device, and preferably, this network equipment can be AP.
Embodiment three
WLAN wireless access system is divided in the room that above-described embodiment one and embodiment two provide simple signal carries out wireless access, in embodiment three, provide and a kind ofly divide WLAN wireless access system to the room that two-frequency signal carries out wireless access, the structure of this system is identical with Fig. 2, distinguish, the operation principle of the AP21 in embodiment three is different with internal structure from the operation principle of the AP21 in embodiment one or embodiment two with internal structure.
Below the operation principle of the AP21 in embodiment three is described.
The room of being applied to that Fig. 9 shows the embodiment of the present invention to be provided divides the intelligence of WLAN to divide the workflow of radio switch-in method, comprising:
Step 901, AP21 carry out space-time code to sent baseband signal streams and obtain the identical sub-baseband signal streams group of two parts, i.e. the first sub-baseband signal streams group and the second sub-baseband signal streams group, first sub-baseband signal streams group and the second sub-baseband signal streams group include N number of sub-baseband signal streams, such as, the first sub-baseband signal streams group comprises S 1 1, S 1 2..., S 1 n, the second sub-baseband signal streams group comprises S 2 1, S 2 2..., S 2 n, S 1 1=S 2 1, S 1 2=S 2 2..., S 1 n=S 2 n; AP21 can adopt space-time code method of the prior art to encode;
N number of sub-baseband signal streams in first sub-baseband signal streams group is modulated into N number of first radiofrequency signal stream by step 902, AP21, and respectively each first radiofrequency signal flow point is made into the sub-radiofrequency signal stream in k road first, each first sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel first corresponds to the corresponding antenna of each Indoor environment, and the working frequency range of the first sub-radiofrequency signal stream is: 2.4GHZ to 2.4835GHz; Such as, by the N number of sub-baseband signal streams S in the first sub-baseband signal streams group 1 1, S 1 2..., S 1 nbe modulated into N number of first radiofrequency signal stream F 1 1, F 1 2..., F 1 n, by the first radiofrequency signal stream F 1 1be distributed into k road first sub-radiofrequency signal stream F 1 11, F 1 12..., F 1 1k, by the first radiofrequency signal stream F 1 2be distributed into k road first sub-radiofrequency signal stream F 1 21, F 1 22..., F 1 2k, in like manner, by the first radiofrequency signal stream F nbe distributed into k road first sub-radiofrequency signal stream F 1 n1, F 1 n2..., F 1 nk, then, the signal stream matrix be made up of the sub-radiofrequency signal stream in k road first of each first radiofrequency signal stream in N number of first radiofrequency signal stream is [F 1 nk];
And, N number of sub-baseband signal streams in second sub-baseband signal streams group is modulated into N number of second radiofrequency signal stream by AP21, and respectively each second radiofrequency signal flow point is made into the sub-radiofrequency signal stream in k road second, each second sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel second corresponds to the corresponding antenna of each Indoor environment, the working frequency range of the second sub-radiofrequency signal stream is: 5.8GHZ to 5.85GHz, such as, by the N number of sub-baseband signal streams S in the first sub-baseband signal streams group 2 1, S 2 2..., S 2 nbe modulated into N number of second radiofrequency signal stream F 2 1, F 2 2..., F 2 n, by the second radiofrequency signal stream F 2 1be distributed into k road second sub-radiofrequency signal stream F 2 11, F 2 12..., F 2 1k, by the second radiofrequency signal stream F 2 2be distributed into k road second sub-radiofrequency signal stream F 2 21, F 2 22..., F 2 2k, in like manner, by the second radiofrequency signal stream F 2 nbe distributed into k road second sub-radiofrequency signal stream F 2 n1, F 2 n2..., F 2 nk, then, the signal stream matrix be made up of the sub-radiofrequency signal stream in k road second of each second radiofrequency signal stream in N number of second radiofrequency signal stream is [F 2 nk];
Such as, as described in above-mentioned steps 303, the first radiofrequency signal stream F 1 1corresponding to the T of each Indoor environment 1antenna, i.e. the first radiofrequency signal stream F 1 1distribute and obtain k road first sub-radiofrequency signal stream F 1 11, F 1 12..., F 1 1kcorrespond respectively to the T of each Indoor environment 1antenna, the first radiofrequency signal stream F 1 2corresponding to the T of each Indoor environment 2antenna, i.e. the first radiofrequency signal stream F 1 2distribute and obtain k road first sub-radiofrequency signal stream F 1 21, F 1 22..., F 1 2kcorrespond respectively to the T of each Indoor environment 2antenna, the like, the first radiofrequency signal stream F 1 ncorresponding to the T of each Indoor environment nantenna, i.e. the first radiofrequency signal stream F 1 ndistribute and obtain k road first sub-radiofrequency signal stream F 1 n1, F 1 n2..., F 1 nkcorrespond respectively to the T of each Indoor environment nantenna, in like manner, the second radiofrequency signal stream F 2 1corresponding to the T of each Indoor environment 1antenna, i.e. the second radiofrequency signal stream F 2 1distribute and obtain k road second sub-radiofrequency signal stream F 2 11, F 2 12..., F 2 1kcorrespond respectively to the T of each Indoor environment 1antenna, the second radiofrequency signal stream F 2 2corresponding to the T of each Indoor environment 2antenna, i.e. the second radiofrequency signal stream F 2 2distribute and obtain k road second sub-radiofrequency signal stream F 2 21, F 2 22..., F 2 2kcorrespond respectively to the T of each Indoor environment 2antenna, the like, the second radiofrequency signal stream F 2 ncorresponding to the T of each Indoor environment nantenna, i.e. the second radiofrequency signal stream F 2 ndistribute and obtain k road second sub-radiofrequency signal stream F 2 n1, F 2 n2..., F 2 nkcorrespond respectively to the T of each Indoor environment nantenna;
Particularly, AP21 will modulate the sub-radiofrequency signal stream in k road first that in N number of first radiofrequency signal stream of obtaining, each first radiofrequency signal flow assignment success rate is identical; Or, each first radiofrequency signal flow point is made into the sub-radiofrequency signal stream in k road first that performance number each other meets predetermined ratio relation; Or, the sub-radiofrequency signal stream in k road first that each first radiofrequency signal flow point is made into predetermined power value;
The sub-radiofrequency signal stream in k road second that in N number of second radiofrequency signal stream that modulation obtains by AP21, each second radiofrequency signal flow assignment success rate is identical; Or, each second radiofrequency signal flow point is made into the sub-radiofrequency signal stream in k road second that performance number each other meets predetermined ratio relation; Or, the sub-radiofrequency signal stream in k road second that each second radiofrequency signal flow point is made into predetermined power value;
Step 903, AP21 merge the antenna sending to correspondence in each Indoor environment, by sub-radiofrequency signal stream matrix [F by the K road first sub-radiofrequency signal stream obtained each first radiofrequency signal flow assignment with to the K road second sub-radiofrequency signal stream that each second radiofrequency signal flow assignment obtains 1 nk] and [F 2 nk] accordingly merge send to antenna array [T kN], to enable the sub-radiofrequency signal stream in sub-radiofrequency signal Liu He mono-tunnel second, each antenna transmission and reception Dao mono-tunnel first being positioned at same Indoor environment.
Such as, by sub-for k road first radiofrequency signal stream F 1 11, F 1 12..., F 1 1kwith to k road second sub-radiofrequency signal stream F 2 11, F 2 12..., F 2 1kmerge the T sending to each Indoor environment respectively accordingly 1antenna, by the first sub-radiofrequency signal stream F 1 11with the second sub-radiofrequency signal stream F 2 11merge and send to T 11antenna, by the first sub-radiofrequency signal stream F 1 12with the second sub-radiofrequency signal stream F 2 11merge and send to T 21antenna ..., by the first sub-radiofrequency signal stream F 1 1kwith the second sub-radiofrequency signal stream F 2 1kmerge and send to T k1antenna, the like, by sub-for k road first radiofrequency signal stream F 1 n1, F 1 n2..., F 1 nkwith k road second sub-radiofrequency signal stream F 2 n1, F 2 n2..., F 2 nkmerge the T sending to each Indoor environment respectively accordingly nantenna, by the first sub-radiofrequency signal stream F 1 n1with the second sub-radiofrequency signal stream F 2 n1merge and send to T 1Nantenna, by the first sub-radiofrequency signal stream F 1 n2with the second sub-radiofrequency signal stream F 2 n2send to T 2Nantenna ..., by the first sub-radiofrequency signal stream F 1 nksecond sub-radiofrequency signal stream F 2 nksend to T kNantenna.
By the method shown in Fig. 9, the multichannel output of two-frequency signal can be realized at Indoor environment, thus N number of space delivery channel of each frequency can be formed at same Indoor environment, improve room to divide the space channel capacity of WLAN wireless access, improve the availability of frequency spectrum, thus the space channel finite capacity that the room of being applied in prior art divides the wireless access system of WLAN to provide, the problem that the availability of frequency spectrum is low can be solved.
Based on identical inventive concept, the room of being applied to that Figure 10 shows the embodiment of the present invention to be provided divides the intelligence of WLAN to divide the structure of wireless access device, and this device is for accessing two-frequency signal, and this device comprises:
Coding module 101, the identical sub-baseband signal streams group of two parts is obtained for carrying out space-time code to sent baseband signal streams, i.e. the first sub-baseband signal streams group and the second sub-baseband signal streams group, the first sub-baseband signal streams group and the second sub-baseband signal streams group include N number of sub-baseband signal streams; Particularly, coding module 101 can adopt space-time code method of the prior art to encode;
First modulation allocation module 102, be connected to coding module 101, the N number of sub-baseband signal streams of encoding in the first sub-baseband signal streams group of obtaining for own coding module 101 in future is modulated into N number of first radiofrequency signal stream, and respectively each first radiofrequency signal flow point is made into the sub-radiofrequency signal stream in k road first, each first sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel first corresponds to the corresponding antenna of each Indoor environment, and the working frequency range of the first sub-radiofrequency signal stream is: 2.4GHZ to 2.4835GHz;
Second modulation allocation module 103, be connected to coding module 101, N number of second radiofrequency signal stream is modulated into for the N number of sub-baseband signal streams in the second sub-baseband signal streams group of own coding module 101 in future, and respectively each second radiofrequency signal flow point is made into the sub-radiofrequency signal stream in k road second, each second sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel second corresponds to the corresponding antenna of each Indoor environment, and the working frequency range of the second sub-radiofrequency signal stream is: 5.8GHZ to 5.85GHz;
Particularly, the first modulation allocation module 102 will modulate the sub-radiofrequency signal stream in k road first that in N number of first radiofrequency signal stream of obtaining, each first radiofrequency signal flow assignment success rate is identical; Or, each first radiofrequency signal flow point is made into the sub-radiofrequency signal stream in k road first that performance number each other meets predetermined ratio relation; Or, the sub-radiofrequency signal stream in k road first that each first radiofrequency signal flow point is made into predetermined power value;
The sub-radiofrequency signal stream in k road second that in N number of second radiofrequency signal stream that modulation obtains by the second modulation allocation module 103, each second radiofrequency signal flow assignment success rate is identical; Or, each second radiofrequency signal flow point is made into the sub-radiofrequency signal stream in k road second that performance number each other meets predetermined ratio relation; Or, the sub-radiofrequency signal stream in k road second that each second radiofrequency signal flow point is made into predetermined power value;
Sending module 104, be connected to the first modulation allocation module 102 and the second modulation allocation module 103, for merging the antenna sending to correspondence in each Indoor environment, by the first sub-radiofrequency signal stream [F by the K road first sub-radiofrequency signal stream obtained each first radiofrequency signal flow assignment with to the K road second sub-radiofrequency signal stream that each second radiofrequency signal flow assignment obtains 1 nk] and the second sub-radiofrequency signal stream [F 2 nk] accordingly merge send to antenna array [T kN].
The operation principle of Figure 10 shown device as shown in Figure 9, repeats no more here.Above-mentioned first modulation allocation module 102 is identical with the specific implementation of the modulation allocation module 42 in Fig. 4 with the specific implementation of the second modulation allocation module 103, repeats no more here.
By device as shown in Figure 10, the multichannel output of two-frequency signal can be realized at Indoor environment, thus N number of space delivery channel of each frequency can be formed at same Indoor environment, improve room to divide the space channel capacity of WLAN wireless access, improve the availability of frequency spectrum, thus the space channel finite capacity that the room of being applied in prior art divides the wireless access system of WLAN to provide, the problem that the availability of frequency spectrum is low can be solved.
Based on identical inventive concept, the embodiment of the present invention additionally provides a kind of network equipment, and this network equipment room of being applied to comprised as shown in Figure 10 divides the intelligence of WLAN to divide wireless access device, and preferably, this network equipment can be AP.
Embodiment four
Divide the intelligence of WLAN to divide on the basis of wireless access system in the room of being applied to that embodiment three provides, the room of being applied to that the embodiment of the present invention provides divides the intelligence of WLAN to divide the AP21 in wireless access system can also to process the signal received by antenna 22.
The room of being applied to that Figure 11 shows inventive embodiments to be provided divides the intelligence of WLAN to divide the workflow of radio switch-in method, and the method is used for AP and processes the two-frequency signal received, and the method comprises:
Step 1101, AP21 receive the first sub-radiofrequency signal stream [X from N number of antenna of each Indoor environment 1 nk] and the second sub-radiofrequency signal stream [X 2 nk];
The first sub-radiofrequency signal stream that corresponding antenna from the N number of antenna in each Indoor environment receives by step 1102, AP21 is demodulated into N × k the first radiofrequency signal stream [Y 1 nk], and the second sub-radiofrequency signal stream received by corresponding antenna from the N number of antenna in each Indoor environment is demodulated into N × k the second radiofrequency signal stream [Y 2 nk];
N × k the first radiofrequency signal stream [Y that step 1103, AP21 obtain demodulation 1 nk] carry out space-time decoding and obtain the first baseband signal streams, N × k the second radiofrequency signal stream [Y that demodulation is obtained 2 nk] carry out space-time decoding obtain the second baseband signal streams.
Such as, each Indoor environment of AP21 be designated T 1antenna corresponding, be designated T 2antenna corresponding, the like, be designated T nantenna corresponding; Then, the first sub-radiofrequency signal that corresponding antenna receives from the N number of antenna each Indoor environment is [X 1 nk], by the first sub-radiofrequency signal [X 1 nk] be demodulated into the first radiofrequency signal stream [Y 1 nk], and to the first radiofrequency signal stream [Y 1 nk] carry out space-time decoding obtain the first baseband signal streams.
In like manner, the second sub-radiofrequency signal that AP21 corresponding antenna from the N number of antenna each Indoor environment receives is [X 2 nk], by the second sub-radiofrequency signal [X 2 nk] be demodulated into the second radiofrequency signal stream [Y 2 nk], and to the second radiofrequency signal stream [Y 2 nk] carry out space-time decoding obtain the second baseband signal streams.
By the method shown in Figure 11, the intelligence of room point WLAN (wireless local area network) that what the embodiment of the present invention provided be applied to divides wireless access system can form output transmission channel and the input transmission channel of multiple effective two-frequency signal at Indoor environment, can improve room significantly and divide the space channel capacity of WLAN wireless access, improves the availability of frequency spectrum.
Based on identical inventive concept, Figure 12 shows the structure of the another kind of AP that the embodiment of the present invention provides, this device is arranged in AP, and on the basis of Figure 10 shown device, this AP also comprises: receiver module 105, first demodulation module 106, second demodulation module 107, decoder module 108;
Receiver module 105 is for receiving the first sub-radiofrequency signal stream [X of the N number of antenna from each Indoor environment 1 nk] and the second sub-radiofrequency signal stream [X 2 nk];
First demodulation module 106, is connected to receiver module 105, for the first sub-radiofrequency signal [X that corresponding antenna receives from N number of antenna of each Indoor environment by receiver module 1010 1 nk] be demodulated into N × k the first radiofrequency signal stream i.e. [Y 1 nk];
Second demodulation module 107, is connected to receiver module 105, for the second sub-radiofrequency signal [X that corresponding antenna receives from N number of antenna of each Indoor environment by receiver module 1010 2 nk] be demodulated into N × k the second radiofrequency signal stream i.e. [Y 2 nk];
Decoder module 108, is connected to the first demodulation module 106 and the second demodulation module 107, for N × k the first radiofrequency signal stream i.e. [Y the first demodulation module 106 demodulation obtained 1 nk] carry out space-time decoding and obtain the first baseband signal, the N × k the second demodulation module 107 demodulation obtained the second radiofrequency signal stream i.e. [Y 2 nk] carry out space-time decoding obtain the second baseband signal.
By the device that Figure 12 provides, also can form output transmission channel and the input transmission channel of multiple effective two-frequency signal at Indoor environment, room can be improved significantly and divide the space channel capacity of WLAN wireless access, improve the availability of frequency spectrum.
Based on identical inventive concept, the embodiment of the present invention additionally provides a kind of network equipment, and this network equipment room of being applied to comprised as shown in figure 12 divides the intelligence of WLAN to divide wireless access device, and preferably, this network equipment can be AP.
One of ordinary skill in the art will appreciate that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (17)

1. the intelligence being applied to room point WLAN (wireless local area network) divides wireless access system, it is characterized in that, comprise: an access point AP and M antenna, wherein, M=k × N, N be more than or equal to 2 natural number, k is natural number, M antenna lays respectively at k Indoor environment, and every N number of described antenna is positioned at same Indoor environment, is connected between described AP and described antenna by feeder line;
Described AP, N number of sub-baseband signal streams is obtained for flowing through space-time code to sent baseband signal, this N number of sub-baseband signal streams is modulated into N number of radiofrequency signal stream, and respectively each radiofrequency signal flow point is made into k way radiofrequency signal stream, one way radiofrequency signal stream of each radiofrequency signal stream corresponds to the corresponding antenna of each Indoor environment, and the K way radiofrequency signal stream each radiofrequency signal flow assignment obtained sends to antenna corresponding in each Indoor environment;
Described antenna, for sending described sub-radiofrequency signal stream.
2. system according to claim 1, is characterized in that, described antenna, also for receiving the sub-radiofrequency signal stream from website;
Described AP, also for receiving the sub-radiofrequency signal stream from the N number of antenna in each Indoor environment, the sub-radiofrequency signal that corresponding antenna from the N number of antenna in each Indoor environment receives is demodulated into N × k radiofrequency signal stream, space-time decoding is carried out to this N × k radiofrequency signal stream and obtains baseband signal streams.
3. system according to claim 1 and 2, is characterized in that, described AP specifically for:
The k way radiofrequency signal stream that in the N number of radiofrequency signal stream obtain modulation, each described radiofrequency signal flow assignment success rate is identical; Or,
Each described radiofrequency signal flow point is made into the k way radiofrequency signal stream that performance number each other meets predetermined ratio relation; Or,
Each described radiofrequency signal flow point is made into the k way radiofrequency signal stream of predetermined power value.
4. the intelligence being applied to room point WLAN (wireless local area network) divides a wireless access device, it is characterized in that, comprising:
Coding module, obtains N number of sub-baseband signal streams for flowing through space-time code to sent baseband signal;
Modulation allocation module, N number of radiofrequency signal stream is modulated into for the N number of sub-baseband signal streams obtained of being encoded by described coding module, and respectively each radiofrequency signal flow point is made into k way radiofrequency signal stream, one way radiofrequency signal stream of each radiofrequency signal stream corresponds to the corresponding antenna of each Indoor environment, described building is k, and every N number of described antenna is positioned at same Indoor environment;
Sending module, the K way radiofrequency signal stream for each radiofrequency signal flow assignment being obtained sends to antenna corresponding in each Indoor environment;
Wherein, N be more than or equal to 2 natural number, k is natural number.
5. device according to claim 4, is characterized in that, described device also comprises:
Receiver module, for receiving the sub-radiofrequency signal stream of the N number of antenna from each Indoor environment;
Demodulation module, for being demodulated into N × k radiofrequency signal stream by the described receiver module radiofrequency signal that corresponding antenna receives from the N number of antenna each Indoor environment;
Decoder module, N × k the radiofrequency signal stream for obtaining described demodulation module demodulation carries out space-time decoding and obtains baseband signal streams.
6. the device according to claim 4 or 5, is characterized in that, described modulation allocation module, specifically for:
The k way radiofrequency signal stream that in the N number of radiofrequency signal stream obtain modulation, each described radiofrequency signal flow assignment success rate is identical; Or,
Each described radiofrequency signal flow point is made into the k way radiofrequency signal stream that performance number each other meets predetermined ratio relation; Or,
Each described radiofrequency signal flow point is made into the k way radiofrequency signal stream of predetermined power value.
7. a network equipment, is characterized in that, the intelligence being applied to room point WLAN (wireless local area network) comprised according to any one of claim 4 ~ 6 divides wireless access device.
8. the intelligence being applied to room point WLAN (wireless local area network) divides a radio switch-in method, it is characterized in that, comprising:
Flow through space-time code to sent baseband signal and obtain N number of sub-baseband signal streams; Wherein, N be more than or equal to 2 natural number;
This N number of sub-baseband signal streams is modulated into N number of radiofrequency signal stream, and respectively each radiofrequency signal flow point is made into k way radiofrequency signal stream, a way radiofrequency signal stream of each radiofrequency signal stream corresponds to the corresponding antenna of each Indoor environment; Wherein, k is natural number, and described building is k, and every N number of described antenna is positioned at same Indoor environment;
The K way radiofrequency signal stream each radiofrequency signal flow assignment obtained sends to antenna corresponding in each Indoor environment.
9. method according to claim 8, is characterized in that, described method also comprises:
Receive the sub-radiofrequency signal stream from the N number of antenna in each Indoor environment, the sub-radiofrequency signal that corresponding antenna from the N number of antenna in each Indoor environment receives is demodulated into N × k radiofrequency signal stream, space-time decoding is carried out to this N × k radiofrequency signal stream and obtains baseband signal streams.
10. method according to claim 8 or claim 9, is characterized in that, each radiofrequency signal flow point in N number of radiofrequency signal stream is made into k way radiofrequency signal stream, specifically comprises:
The k way radiofrequency signal stream that in the N number of radiofrequency signal stream obtain modulation, each described radiofrequency signal flow assignment success rate is identical; Or,
Each described radiofrequency signal flow point is made into the k way radiofrequency signal stream that performance number each other meets predetermined ratio relation; Or,
Each described radiofrequency signal flow point is made into the k way radiofrequency signal stream of predetermined power value.
11. 1 kinds of intelligence being applied to room point WLAN (wireless local area network) divide wireless access system, it is characterized in that, comprise: an access point AP and M antenna, wherein, M=k × N, N be more than or equal to 2 natural number, k is natural number, M antenna lays respectively at k Indoor environment, and every N number of described antenna is positioned at same Indoor environment, is connected between described AP and described antenna by feeder line;
Described AP, the first sub-baseband signal streams group and the second sub-baseband signal streams group is obtained for carrying out space-time code to sent baseband signal streams, described first sub-baseband signal streams group and described second sub-baseband signal streams group include N number of sub-baseband signal streams, and described first sub-baseband signal streams group is identical with corresponding sub-baseband signal streams in described second sub-baseband signal streams group; N number of sub-baseband signal streams in described first sub-baseband signal streams group is modulated into N number of first radiofrequency signal stream, and respectively each first radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road first, each first sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel first corresponds to the corresponding antenna of each Indoor environment; N number of sub-baseband signal streams in described second sub-baseband signal streams group is modulated into N number of second radiofrequency signal stream, and respectively each second radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road second, each second sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel second corresponds to the corresponding antenna of each Indoor environment; The antenna sending to correspondence in each Indoor environment is merged by the K road first sub-radiofrequency signal stream obtained each first radiofrequency signal flow assignment with to the K road second sub-radiofrequency signal stream that each second radiofrequency signal flow assignment obtains;
Described antenna, for the second sub-radiofrequency signal stream described in the first sub-radiofrequency signal Liu He mono-tunnel described in transmission and reception Dao mono-tunnel.
12. systems according to claim 11, is characterized in that, described antenna, also for receiving the first sub-radiofrequency signal stream from website and the second sub-radiofrequency signal stream;
Described AP, also for being received by corresponding antenna from the N number of antenna in each Indoor environment first sub-radiofrequency signal stream is demodulated into N × k the first radiofrequency signal stream, and the second sub-radiofrequency signal stream received by corresponding antenna from the N number of antenna in each Indoor environment is demodulated into N × k the second radiofrequency signal stream; N × k the first radiofrequency signal stream obtained demodulation carries out space-time decoding and obtains the first baseband signal streams, and N × k the second radiofrequency signal stream obtained demodulation carries out space-time decoding and obtains the second baseband signal streams.
13. 1 kinds of intelligence being applied to room point WLAN (wireless local area network) divide wireless access device, it is characterized in that, comprising:
Coding module, the first sub-baseband signal streams group and the second sub-baseband signal streams group is obtained for carrying out space-time code to sent baseband signal streams, described first sub-baseband signal streams group and described second sub-baseband signal streams group include N number of sub-baseband signal streams, and described first sub-baseband signal streams group is identical with corresponding sub-baseband signal streams in described second sub-baseband signal streams group;
First modulation allocation module, for being modulated into N number of first radiofrequency signal stream by from the N number of sub-baseband signal streams in the described first sub-baseband signal streams group of described coding module, and respectively each first radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road first, each first sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel first corresponds to the corresponding antenna of each Indoor environment;
Second modulation allocation module, for being modulated into N number of second radiofrequency signal stream by from the N number of sub-baseband signal streams in the described second sub-baseband signal streams group of described coding module, and respectively each second radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road second, each second sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel second corresponds to the corresponding antenna of each Indoor environment;
Sending module, to merge the K road second sub-radiofrequency signal stream that each second radiofrequency signal flow assignment obtains for the K road first sub-radiofrequency signal stream that described first modulation allocation module obtained each first radiofrequency signal flow assignment and described second modulation allocation module and sends to antenna corresponding in each Indoor environment;
Wherein, N be more than or equal to 2 natural number, k is natural number, and described building is k, and every N number of described antenna is positioned at same Indoor environment.
14. devices according to claim 13, is characterized in that, described device also comprises:
Receiver module, for receiving the first sub-radiofrequency signal stream from N number of antenna of each Indoor environment and the second sub-radiofrequency signal stream;
First demodulation module, the first sub-radiofrequency signal for being received by described receiver module corresponding antenna from N number of antenna of each Indoor environment is demodulated into N × k the first radiofrequency signal stream;
Second demodulation module, the second sub-radiofrequency signal for being received by described receiver module corresponding antenna from N number of antenna of each Indoor environment is demodulated into N × k the second radiofrequency signal stream;
Decoder module, N × k the first radiofrequency signal stream for described first demodulation module demodulation being obtained carries out space-time decoding and obtains the first baseband signal streams, and the N × k described second demodulation module demodulation obtained the second radiofrequency signal stream carries out space-time decoding and obtains the second baseband signal streams.
15. 1 kinds of network equipments, is characterized in that, the intelligence being applied to room point WLAN (wireless local area network) comprised as described in claim 13 or 14 divides wireless access device.
16. 1 kinds of intelligence being applied to room point WLAN (wireless local area network) divide radio switch-in method, it is characterized in that, comprising:
Carry out space-time code to sent baseband signal streams and obtain the first sub-baseband signal streams group and the second sub-baseband signal streams group, described first sub-baseband signal streams group and described second sub-baseband signal streams group include N number of sub-baseband signal streams, and described first sub-baseband signal streams group is identical with corresponding sub-baseband signal streams in described second sub-baseband signal streams group;
N number of sub-baseband signal streams in described first sub-baseband signal streams group is modulated into N number of first radiofrequency signal stream, and respectively each first radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road first, each first sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel first corresponds to the corresponding antenna of each Indoor environment;
N number of sub-baseband signal streams in described second sub-baseband signal streams group is modulated into N number of second radiofrequency signal stream, and respectively each second radiofrequency signal flow point being made into the sub-radiofrequency signal stream in k road second, each second sub-radiofrequency signal stream in radiofrequency signal Liu mono-tunnel second corresponds to the corresponding antenna of each Indoor environment;
The antenna sending to correspondence in each Indoor environment is merged by the K road first sub-radiofrequency signal stream obtained each first radiofrequency signal flow assignment with to the K road second sub-radiofrequency signal stream that each second radiofrequency signal flow assignment obtains;
Wherein, wherein, N be more than or equal to 2 natural number, k is natural number, and described building is k, and every N number of described antenna is positioned at same Indoor environment.
17. methods according to claim 16, is characterized in that, described method also comprises:
The the first sub-radiofrequency signal stream received by corresponding antenna from the N number of antenna in each Indoor environment is demodulated into N × k the first radiofrequency signal stream, and the second sub-radiofrequency signal stream received by corresponding antenna from the N number of antenna in each Indoor environment is demodulated into N × k the second radiofrequency signal stream;
N × k the first radiofrequency signal stream obtained demodulation carries out space-time decoding and obtains the first baseband signal streams, and N × k the second radiofrequency signal stream obtained demodulation carries out space-time decoding and obtains the second baseband signal streams.
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