CN103139790A - Intelligent wireless access device and network equipment used for indoor wireless local area network - Google Patents
Intelligent wireless access device and network equipment used for indoor wireless local area network Download PDFInfo
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- CN103139790A CN103139790A CN2013100317712A CN201310031771A CN103139790A CN 103139790 A CN103139790 A CN 103139790A CN 2013100317712 A CN2013100317712 A CN 2013100317712A CN 201310031771 A CN201310031771 A CN 201310031771A CN 103139790 A CN103139790 A CN 103139790A
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Abstract
The invention discloses an intelligent wireless access device and network equipment used for an indoor wireless local area network. A multi-channel radio frequency processing unit is arranged in the intelligent wireless access device used for the indoor wireless local area network. The multi-channel radio frequency processing unit comprises at least one radio frequency processing module. The number of the radio frequency processing modules is equal to the number of antennas which are connected with the access device. Each radio frequency processing module is capable of independently converting and processing a baseband signal into a radio frequency signal to be transmitted and then transmitting the radio frequency signal to be transmitted to the antennas, namely at least one main circuit which is independent and is capable of processing the baseband signal into the radio frequency signal to be transmitted is arranged in the access device. Each main circuit works independently and mutual influence is avoided. When one main circuit is cut off due to stoppage, only access areas covered by the antennas which are connected with broken main circuit are affected, and other main circuits are not affected and can still generate radio frequency signals normally and can be accessed to a user.
Description
Technical field
The present invention relates to the WLAN (wireless local area network) field, particularly, relate to a kind of intelligence that is applied to chamber minute WLAN (wireless local area network) and divide wireless access device, the network equipment.
Background technology
Increasingly mature along with radio network technique, wireless network is accepted by increasing enterprise customer.The introducing of wireless network is for the enterprises and individuals provides a kind of novel network application platform, for enterprise has created wireless working space freely.From the routine office work environment to the trans-regional network interconnection, wireless network is all being played the part of important role.
At present, WLAN (wireless local area network) (WLAN, Wireless Local Area Network) becomes a focus in radio network technique.WLAN is the local area network (LAN) that does not connect by any wire or transmission cable, and the medium that uses radio frequency (RF, Radio Frequency) technology to transmit as data by radio wave, transmitting range generally only has tens meters.The backbone network of WLAN (wireless local area network) uses wire cable (Cable) usually, and wireless local network user is by one or more access points (AP, Access Points) accessing WLAN.
The indoor wireless networks signal of WLAN covers usually to adopt puts dress deployment scheme and chamber minute deployment scheme.
Divide in deployment scheme in the chamber, AP is arranged between the light current of building or the corridor ceiling, employing comprises that the power distributing circuit of power splitter, coupler, feeder line, the antenna that is positioned at Indoor environment and passive accessory etc. is connected with AP, the radiofrequency signal of AP output is incorporated into the indoor of a plurality of rooms of buildings, realizes the covering of indoor radio signal.There is following shortcoming in this mode: the first, the radiofrequency signal of WLAN output will be passed through various power splitters, coupler and cable, passive device and feeder line are obvious to the attenuating of radiofrequency signal, cause signal to reach the intensity difference of each antenna, covering effect of signals is uneven; The second, usually the passive accessory that adopts is universal accessories, and bandwidth is too large, and interference free performance is poor, easily is subject to the impact of 2G, 3G signal; Three, material is many, the accessory kind is many, and lower deployment cost is higher, difficulty of construction is larger.
A kind of chamber of being applied to divides the AP of WLAN to address the above problem.Fig. 1 shows the structured flowchart that the AP of WLAN is divided in the chamber of being applied to, and AP is connected with at least one antenna by feeder line, and antenna is positioned at Indoor environment, comprises radio-frequency module 11, distribution module 13 and sending module 15 at this AP.
Radio-frequency module 11 is converted to radiofrequency signal to be sent for the digital signal that will come from wireless bridge or other control systems, and distribution module 13 is used for radiofrequency signal to be sent is assigned as way at least one way radiofrequency signal identical with the quantity of antenna; Sending module 15 is connected to distribution module 13, is used for accordingly a way radiofrequency signal being sent to an antenna.
AP as shown in Figure 1, can realize the power division to sent two-frequency signal, realization provides the signal of two-frequency signal to cover 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, signal covers evenly in the space at antenna place, and the signal between AP disturbs little, and the interference that is subject to other communication system is little.
In AP structure shown in Figure 1, this path between radio-frequency module 11, distribution module 13 and sending module 15 can be called trunk roads, any one point in trunk roads breaks down, for example radio-frequency module 11 breaks down or distribution module 13 breaks down, and whole AP just can't work.
As seen, the existing chamber of being applied to divides the AP of WLAN to have the low problem of functional reliability.
Summary of the invention
In view of this, the intelligence that the embodiment of the present invention provides a kind of chamber of being applied to divide WLAN is divided wireless access device, the network equipment, in order to solve the low problem of the existing functional reliability of AP that in prior art, WLAN is divided in the chamber of being applied to.
Embodiment of the present invention technical scheme is as follows:
A kind of intelligence that is applied to chamber minute WLAN (wireless local area network) is divided wireless access device, this device is connected with at least one antenna that is positioned at Indoor environment by feeder line, comprise: the multichannel RF processing unit, this unit comprises at least one radio frequency processing module, the quantity of described radio frequency processing module is consistent with the quantity of described antenna, each radio frequency processing module is all for changing baseband signal and be treated to radiofrequency signal to be sent, and accordingly radiofrequency signal to be sent sent to an antenna by described feeder line.
A kind of network equipment comprises that the intelligence that is applied to chamber minute WLAN (wireless local area network) as above divides wireless access device.
A kind of intelligence that is applied to chamber minute WLAN (wireless local area network) is divided wireless access device, this device is connected with at least one antenna that is positioned at Indoor environment by feeder line, comprise: the first multichannel RF processing unit, comprise at least one first radio frequency processing module, the quantity of described the first radio frequency processing module is consistent with the quantity of described antenna, and each first radio frequency processing module is all for baseband signal being changed and is treated to the first radiofrequency signal to be sent; The second multichannel RF processing unit, comprise at least one second radio frequency processing module, the quantity of described the second radio frequency processing module is consistent with the quantity of described antenna, and each second radio frequency processing module is all for baseband signal being changed and is treated to the second radiofrequency signal to be sent; Merge transmitting element, be used for accordingly and will and send to a described antenna from a road of described the second multichannel RF processing unit the second radiofrequency signal to be sent by feeder line from a road of described the first multichannel RF processing unit the first radiofrequency signal to be sent.
A kind of network equipment comprises that the intelligence that is applied to chamber minute WLAN (wireless local area network) as above divides wireless access device.
technical scheme according to the embodiment of the present invention, in the intelligence that is applied to chamber minute WLAN (wireless local area network) is divided wireless access device, the multichannel RF processing unit is set, this unit comprises at least one radio frequency processing module, the quantity of radio frequency processing module is consistent with the quantity of the antenna that is connected with this access device, each radio frequency processing module is changed baseband signal and be treated to radiofrequency signal to be sent independently, and radiofrequency signal to be sent is sent to antenna, also namely be provided with at least one separate in access device, be the trunk roads of radiofrequency signal to be sent with base band signal process, independently working between each trunk roads, do not exert an influence each other, after trunk roads break down disconnection, the access scope that covers of the antenna that is connected with these trunk roads of impact only, other trunk roads are unaffected, still normal radio frequency signal generation, access user, can't access user after can avoiding the chamber of being applied in prior art to divide trunk roads in the AP of WLAN to disconnect, the problem that functional reliability is low.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of writing, claims and accompanying drawing.
Description of drawings
Fig. 1 is the structured flowchart that in prior art, the AP of WLAN is divided in the chamber of being applied to;
The chamber of being applied to that Fig. 2 provides for the embodiment of the present invention divides the intelligence of WLAN to divide the structured flowchart of wireless access device;
Fig. 3 is the structured flowchart of radio frequency processing module in Fig. 2;
Fig. 4 is another structured flowchart of radio frequency processing module in Fig. 2;
Fig. 5 a is another structured flowchart of radio frequency processing module in Fig. 2;
The chamber of being applied to that Fig. 5 b provides for the embodiment of the present invention divides the intelligence of WLAN to divide another structured flowchart of wireless access device;
The chamber of being applied to that Fig. 6 provides for the embodiment of the present invention divides the intelligence of WLAN to divide another structured flowchart of wireless access device;
Fig. 7 is the structured flowchart of the first radio frequency processing module in Fig. 6;
Fig. 8 is the structured flowchart of the second radio frequency processing module in Fig. 6;
Fig. 9 is another structured flowchart of the first radio frequency processing module in Fig. 6;
Figure 10 is another structured flowchart of the second radio frequency processing module in Fig. 6;
Figure 11 is another structured flowchart of the first radio frequency processing module in Fig. 6;
Figure 12 is another structured flowchart of the second radio frequency processing module in Fig. 6;
The chamber of being applied to that Figure 13 provides for the embodiment of the present invention divides the intelligence of WLAN to divide another structured flowchart of wireless access device.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described, should be appreciated that embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
Can't access user the embodiment of the present invention divides trunk roads in the AP of WLAN to disconnect for the chamber of being applied in prior art after, problem that functional reliability is low, proposed a kind of chamber of being applied to and divided the intelligence of WLAN to divide wireless access device, in order to address this problem.
In embodiments of the present invention, the implication of " intelligence is divided " is for to carry out smart allocation to signal, the implication of " chamber of being applied to divides the intelligence of WLAN to divide wireless access device " be applied to chamber somatotype WLAN signal is carried out the wireless access device of smart allocation.
in the technical scheme of the embodiment of the present invention, in the intelligence that is applied to chamber minute WLAN (wireless local area network) is divided wireless access device, the multichannel RF processing unit is set, this unit comprises at least one radio frequency processing module, the quantity of radio frequency processing module is consistent with the quantity of the antenna that is connected with this access device, each radio frequency processing module is changed baseband signal and be treated to radiofrequency signal to be sent independently, and radiofrequency signal to be sent is sent to antenna, also namely be provided with at least one separate in access device, be the trunk roads of radiofrequency signal to be sent with base band signal process, independently working between each trunk roads, do not exert an influence each other, after trunk roads break down disconnection, the access scope that covers of the antenna that is connected with these trunk roads of impact only, other trunk roads are unaffected, still normal radio frequency signal generation, access user, can't access user after can avoiding the chamber of being applied in prior art to divide trunk roads in the AP of WLAN to disconnect, the problem that functional reliability is low.
The below is elaborated to the embodiment of the present invention.
Embodiment one
The structured flowchart that the chamber of being applied to that Fig. 2 shows the embodiment of the present invention to be provided divides the intelligence of WLAN to divide wireless access device, this device is connected with at least one antenna that is positioned at Indoor environment by feeder line, and this device comprises:
Multichannel RF processing unit 21, this unit comprise at least one radio frequency processing module 22
1 ... n, radio frequency processing module 22
1 ... nQuantity consistent with the quantity of antenna, each radio frequency processing module 22 is all for baseband signal being changed and is treated to radiofrequency signal to be sent;
Transmitting element 24 will send at least one antenna by feeder line accordingly from least one radiofrequency signal to be sent of multichannel RF processing unit 21.
Particularly, as shown in Figure 3, the structure of radio frequency processing module 22 comprises: radio-frequency modulator 221 and power amplifier 222;
Radio-frequency modulator 221 is used for baseband signal is converted to radiofrequency signal;
The operation principle of device shown in Figure 2 comprises: a roadbed band signal that receives for multichannel RF processing unit 21, each radio frequency processing module 22 in multichannel RF processing unit 21 is converted to baseband signal respectively radiofrequency signal to be sent independently, be also multichannel RF processing unit 21 for a roadbed band signal that receives, export at least one road radiofrequency signal to be sent; And at least one road that will export radiofrequency signal to be sent sends at least one antenna accordingly by feeder line.Particularly, the operation principle of each radio frequency processing module 22 comprises: first baseband signal is converted to radiofrequency signal, the power of this radiofrequency signal is lower, does not meet launch requirements, this radiofrequency signal is carried out power amplification obtain the radiofrequency signal that can send.
by device as shown in Figure 2, in the intelligence that is applied to chamber minute WLAN (wireless local area network) is divided wireless access device, the multichannel RF processing unit is set, this unit comprises at least one radio frequency processing module, the quantity of radio frequency processing module is consistent with the quantity of the antenna that is connected with this access device, each radio frequency processing module is changed baseband signal and be treated to radiofrequency signal to be sent independently, and radiofrequency signal to be sent is sent to antenna, also namely be provided with at least one separate in access device, be the trunk roads of radiofrequency signal to be sent with base band signal process, independently working between each trunk roads, do not exert an influence each other, after trunk roads break down disconnection, the access scope that covers of the antenna that is connected with these trunk roads of impact only, other trunk roads are unaffected, still normal radio frequency signal generation, access user, can't access user after can avoiding the chamber of being applied in prior art to divide trunk roads in the AP of WLAN to disconnect, the problem that functional reliability is low.
Preferably, as shown in Figure 4, on the basis of the structure of radio frequency processing module 22 shown in Figure 3, radio frequency processing module 22 can also comprise band pass filter 223, low pass filter 224;
Band pass filter 223, be connected to radio-frequency modulator 221, be used for that the radiofrequency signal that radio-frequency modulator 221 is converted to is carried out filtering and obtain radiofrequency signal in the predetermined work frequency range, described predetermined work frequency range comprises: 2.4GHZ to 2.4835GHz, perhaps 5.8GHZ to 5.85GHz;
, power amplifier 222 is connected to band pass filter 223, and concrete being used for obtains radiofrequency signal to be sent to amplifying from the radiofrequency signal of band pass filter 223;
Low pass filter 224 is connected to power amplifier 222, and the radiofrequency signal after being used for power amplifier 222 is amplified is carried out the be eliminated radiofrequency signal to be sent of high-frequency noise of filtering.
In radio frequency processing module as shown in Figure 4, at first the radiofrequency signal that produces by 223 pairs of radio-frequency modulators of band pass filter 221 is carried out filtering, obtain the interior radiofrequency signal of working frequency range of narrow bandwidth, this working frequency range meets 802.11 standards, working frequency range is specially 2.4GHz to 2.4835GHz or 5.8GHz to 5.85GHz, radiofrequency signal after 224 pairs of radio frequency amplifiers of low pass filter 222 amplify is carried out low-pass filtering, the radiofrequency signal to be sent of the high-frequency noise that can be eliminated.
Preferably, radio frequency processing module 22 shown in Figure 3 provides the structure that downstream signal (i.e. signal from network side to user's side) is processed, as shown in Fig. 5 a, on the basis of the structure of radio frequency processing module 22 shown in Figure 3, radio frequency processing module 22 also comprises the structure that upward signal (i.e. signal from user's side to network side) is processed: transmit/receive switch 225, low noise amplifier 226 and radio-frequency (RF) demodulator 227;
Transmit/receive switch 225, be connected to power amplifier 222 and low noise amplifier 226, be used for and will send to antenna by feeder line from the radiofrequency signal to be sent of power amplifier 222, in the future self-feed line by antenna reception to radiofrequency signal send to low noise amplifier 226;
Radio-frequency (RF) demodulator 227 is connected to low noise amplifier 226, is used for being converted to baseband signal from the radiofrequency signal of low noise amplifier 226.
By the radio frequency processing module as shown in Fig. 5 a, not only can process downstream signal, can also process upward signal.
Preferably, can also be on the basis of the radio frequency processing module of processing as shown in Figure 4 downstream signal the structure of set handling upward signal,, transmit/receive switch 225 is connected to low pass filter 224 and low noise amplifier 226, transmit/receive switch 225 will send to antenna by feeder line from the radiofrequency signal to be sent of low pass filter 224, other connected mode and Fig. 5 a are similar, repeat no more here.
Preferably, as shown in Fig. 5 b, on the basis of the radio frequency processing module shown in Fig. 5 a, the chamber of being applied to that the embodiment of the present invention provides divides the intelligence of WLAN to divide wireless access device also to comprise: control unit 23.
control unit 23 is used for controlling each radio frequency processing module 22 and works under single-stream mode, also be used for gathering the performance number of the radiofrequency signal to be sent after power amplifier 222 amplifies, according to the performance number of the radiofrequency signal that collects and the relativity of the output power value of being scheduled to, power ratio control amplifier 222 is with predetermined output power value output radiofrequency signal to be sent, particularly, in the situation that the performance number of radiofrequency signal to be sent is greater than the intended power output value, control unit 23 is controlled the amplification coefficient of turning down power amplifier 222, in the situation that the performance number of radiofrequency signal to be sent is less than the intended power output value, control unit 23 is controlled the amplification coefficient of heightening power amplifier 222, also be used for gathering the performance number of the radiofrequency signal after low noise amplifier 226 amplifies, according to the performance number of the radiofrequency signal that collects and the relativity of the input power value of being scheduled to, control low noise amplifier 226 with predetermined input power value output radiofrequency signal.Particularly, in the situation that the performance number of the radiofrequency signal after low noise amplifier 226 amplifications is greater than predetermined input power value, control unit 23 is controlled the amplification coefficient of turning down low noise amplifier 226, in the situation that the performance number of low noise amplifier 226 radiofrequency signal after amplifying is less than predetermined input power value, the amplification coefficient of low noise amplifier 226 is heightened in control unit 23 controls.
Can make each radio frequency processing module 22 export the power of radiofrequency signal of antenna to by control unit 23 roughly consistent.By distribution module, one tunnel radiofrequency signal is assigned as the multi-channel rf signal in prior art, may exist and distribute the inconsistent problem of power uneven, radiofrequency signal, can make the power when the radiofrequency signal to be sent of at least one road roughly consistent, the power that is also each connection of antenna access customer is consistent, can more stablize, access user balancedly; And under signal source consistent (namely same baseband signal being processed) and equal job note stream mode due to each radio frequency processing module 22, making antenna is all identical in the data of synchronization emission, can guarantee that the data of access user transmission are not lost.
preferably, demand according to concrete application scenarios, can and be arranged in a device structure and control unit 23 unifications that upward signal is processed the structure in above-mentioned radio frequency processing module 22, downstream signal processed, also can arrange separately said structure and module selectively, for example structure and the control unit 23 of in above-mentioned radio frequency processing module 22, downstream signal being processed is arranged in a device, perhaps the structure of in above-mentioned radio frequency processing module 22, downstream signal being processed and structure and control unit 23 that upward signal is processed are arranged in a device.
Based on identical inventive concept, the embodiment of the present invention also provides a kind of network equipment, and this network equipment comprises that in Fig. 2 as described above～Fig. 5 b, any chamber of being applied to divides the intelligence of WLAN to divide wireless access device, and preferably, this network equipment can be AP.
Embodiment two
The chamber of being applied to that Fig. 6 shows the embodiment of the present invention to be provided divides the intelligence of WLAN to divide the structured flowchart of wireless access device, this device is connected with at least one antenna that is positioned at Indoor environment by feeder line, this device can be used for two-frequency signal is processed, and this device comprises:
The first multichannel RF processing unit 61 comprises at least one first radio frequency processing module 62
1 ... n, the quantity of described the first radio frequency processing module 62 is consistent with the quantity of antenna, and each first radio frequency processing module 62 is all for baseband signal being changed and is treated to the first radiofrequency signal to be sent;
The second multichannel RF processing unit 63 comprises at least one second radio frequency processing module 64
1 ... n, the quantity of described the second radio frequency processing module 64 is consistent with the quantity of antenna, and each second radio frequency processing module 64 is all for baseband signal being changed and is treated to the second radiofrequency signal to be sent;
Merge transmitting element 65, be used for and will and send to accordingly an antenna from a road of the second multichannel RF processing unit 62 the second radiofrequency signal to be sent by feeder line from a road of the first multichannel RF processing unit 61 the first radiofrequency signal to be sent, also namely antenna reception to from a road first radiofrequency signal and one tunnel second radiofrequency signal that merge transmitting element 65.Merging transmitting element 65 can have multiple implementation, for example, and first, can be complementary with the first multichannel RF processing unit 61 and the second multichannel RF processing unit 63, design merges transtation mission circuit on surface-mounted integrated circuit, and the second, realize closing the road sending function by the integrated road chip that closes.adopt first method need to design special integrated circuit, circuit level is high, specification of equipment is little, and signal handling capacity is remarkable, it is comparatively desirable implementation, for example can adopt filter circuit and little band cabling (PCB cabling) circuit to realize, when adopting PCB to walk line technology, determine to make input impedance and the output impedance of two frequency ranges (i.e. the first radiofrequency signal channel of living in and the second radiofrequency signal frequency range of living in) all to mate by emulation technology in advance, and the length of the glitch-free PCB cabling of signal between two frequency ranges, bandwidth and wire laying mode, thereby obtain merging reliably transtation mission circuit, can also adopt lamped element (for example resistance, inductance and electric capacity) to design and realize merging transtation mission circuit.Adopt second method to debug the coupling of chip chamber, signal handling capacity depends on the disposal ability of chip.
Particularly, as shown in Figure 7, the first radio frequency processing module 62 comprises:
The first radio-frequency modulator 621 is used for baseband signal is converted to the first radiofrequency signal;
The first power amplifier 622 is connected to the first radio-frequency modulator 621, is used for the first radiofrequency signal that the first radio-frequency modulator 621 is converted to is amplified obtaining the first radiofrequency signal to be sent;
Particularly, as shown in Figure 8, the second radio frequency processing module 64 comprises:
The second radio-frequency modulator 641 is used for baseband signal is converted to the second radiofrequency signal;
The second power amplifier 642 is connected to the second radio-frequency modulator 641, is used for the second radiofrequency signal that the second radio-frequency modulator 641 is converted to is amplified obtaining the second radiofrequency signal to be sent.
The operation principle of device shown in Figure 6 comprises: a roadbed band signal that receives for the first multichannel RF processing unit 61, each the first radio frequency processing module 62 in the first multichannel RF processing unit 61 is converted to baseband signal respectively radiofrequency signal to be sent independently, also namely the first multichannel RF processing unit 61 for a roadbed band signal that receives, is exported at least one road the first radiofrequency signal to be sent; In like manner, the second multichannel RF processing unit 63 is exported at least one road the second radiofrequency signal to be sent for a roadbed band signal that receives; Merge transmitting element 65 and accordingly one road the first radiofrequency signal and one road the second radiofrequency signal to be sent to be sent sent to an antenna by feeder line.Particularly, the operation principle of the operation principle of each the first radio frequency processing module 62 and each the second radio frequency processing module 64 and the operation principle of above-mentioned radio frequency processing module 22 are similar, repeat no more here.
Preferably, on the basis of as shown in Figure 7 the first radio frequency processing module 62, as shown in Figure 9, the first radio frequency processing module 62 can also comprise the first band pass filter 623, the first low pass filter 624;
The first band pass filter 623 is used for that the first radiofrequency signal that the first radio-frequency modulator is converted to is carried out filtering and obtains the first radiofrequency signal in the predetermined work frequency range, and the predetermined work frequency range comprises: 2.4GHZ to 2.4835GHz;
, the first power amplifier 622 also is connected to the first band pass filter 623, concrete being used for amplifying from the first radiofrequency signal of the first band pass filter 623;
The first low pass filter 624 is connected to the first power amplifier 622, and the first radiofrequency signal after being used for the first power amplifier 622 is amplified is carried out be eliminated first radiofrequency signal to be sent of high-frequency noise of filtering.
The operation principle of the operation principle of the first radio frequency processing module 62 shown in Figure 9 and radio frequency processing module shown in Figure 4 is similar, repeats no more here.
On the basis of as shown in Figure 8 the second radio frequency processing module 64, as shown in figure 10, the second radio frequency processing module 64 can also comprise the second band pass filter 643, the second low pass filter 644;
The second band pass filter 643 is used for that the second radiofrequency signal that the second radio-frequency modulator 641 is converted to is carried out filtering and obtains the second radiofrequency signal in the predetermined work frequency range, and the predetermined work frequency range comprises: 5.15GHz to 5.825GHz;
The second power amplifier 642, also be connected to the second band pass filter 643, concrete being used for amplifying from the second radiofrequency signal of the second band pass filter 643;
The second low pass filter 644 is connected to the second power amplifier 642, and the second radiofrequency signal after being used for the second power amplifier 642 is amplified is carried out be eliminated second radiofrequency signal to be sent of high-frequency noise of filtering.
The operation principle of the operation principle of the second radio frequency processing module 64 shown in Figure 10 and radio frequency processing module shown in Figure 4 is similar, repeats no more here.
Preferably, the first radio frequency processing module 62 shown in Figure 7 provides the structure that downstream signal is processed, as shown in figure 11, on the basis of the structure of the first radio frequency processing module 62 shown in Figure 7, the first radio frequency processing module 62 also comprises the structure that upward signal is processed: the first transmit/receive switch 625, the first low noise amplifier 626 and the first radio-frequency (RF) demodulator 627;
The first transmit/receive switch 625, be connected to the first power amplifier 622 and the first low noise amplifier 626, be used for sending to from first radiofrequency signal to be sent of the first power amplifier 622 merging transmitting element 65, will from merge transmitting element 65 by antenna reception to the first radiofrequency signal send to the first low noise amplifier 626;
The first low noise amplifier 626 is connected to the first transmit/receive switch 625, is used for carrying out low noise amplification from the first radiofrequency signal of the first transmit/receive switch 625;
The first radio-frequency (RF) demodulator 627 is connected to the first low noise amplifier 626, is used for being converted to baseband signal from the first radiofrequency signal of the first low noise amplifier 626.
The operation principle of the first radio frequency processing module 62 shown in Figure 11 repeats no more here as described in Fig. 5 a.
In like manner, Figure 12 shows the second radio frequency processing module 64 and also comprises the structure that upward signal is processed: the second transmit/receive switch 645, the second low noise amplifier 646 and the second radio-frequency (RF) demodulator 647;
The second transmit/receive switch 645, be connected to the second power amplifier 642 and the second low noise amplifier 646, be used for sending to from second radiofrequency signal to be sent of the second power amplifier 642 merging transmitting element 65, will from merge transmitting element 65 by antenna reception to the second radiofrequency signal send to the second low noise amplifier 646;
The second low noise amplifier 646 is connected to the second transmit/receive switch 645, is used for carrying out low noise amplification from the second radiofrequency signal of the second transmit/receive switch 645;
The second radio-frequency (RF) demodulator 647 is connected to the second low noise amplifier 646, is used for being converted to baseband signal from the second radiofrequency signal of the second low noise amplifier 646.
The operation principle of the second radio frequency processing module 64 shown in Figure 12 repeats no more here as described in Fig. 5 a.
Preferably, as shown in figure 13, the chamber of being applied to that the embodiment of the present invention provides divides the intelligence of WLAN to divide wireless access device also to comprise: control unit 66;
The operation principle of the operation principle of control unit 66 and above-mentioned control unit 23 is similar, is not giving unnecessary details here.
Preferably, demand according to concrete application scenarios, can and be arranged in a device structure and control unit 66 unifications that upward signal is processed the structure in above-mentioned the first radio frequency processing module 62 or the second radio frequency processing module 64, downstream signal processed, also can arrange separately said structure and module selectively.
Based on identical inventive concept, the embodiment of the present invention also provides a kind of network equipment, and this network equipment comprises that in Fig. 6～Figure 13 as described above, any chamber of being applied to divides the intelligence of WLAN to divide wireless access device, and preferably, this network equipment can be AP.
by above-described embodiment one and embodiment two, in the intelligence that is applied to chamber minute WLAN (wireless local area network) is divided wireless access device, the multichannel RF processing unit is set, this unit comprises at least one radio frequency processing module, the quantity of radio frequency processing module is consistent with the quantity of the antenna that is connected with this access device, each radio frequency processing module is changed baseband signal and be treated to radiofrequency signal to be sent independently, and radiofrequency signal to be sent is sent to antenna, also namely be provided with at least one separate in access device, be the trunk roads of radiofrequency signal to be sent with base band signal process, independently working between each trunk roads, do not exert an influence each other, after trunk roads break down disconnection, the access scope that covers of the antenna that is connected with these trunk roads of impact only, other trunk roads are unaffected, still normal radio frequency signal generation, access user, can't access user after can avoiding the chamber of being applied in prior art to divide trunk roads in the AP of WLAN to disconnect, the problem that functional reliability is low.
One of ordinary skill in the art will appreciate that and realize that all or part of step that above-described embodiment method is carried is to come the relevant hardware of instruction to complete by program, described program can be stored in a kind of computer-readable recording medium, this program comprises step of embodiment of the method one or a combination set of when carrying out.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, 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 complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect fully.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code one or more.
The present invention is that reference is described according to flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the present invention.Should understand can be by 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 the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of realizing in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby be provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame in the instruction of carrying out on computer or other programmable devices.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (14)
1. an intelligence that is applied to chamber minute WLAN (wireless local area network) is divided wireless access device, and this device is connected with at least one antenna that is positioned at Indoor environment by feeder line, it is characterized in that, comprising:
Multichannel RF processing unit, this unit comprise at least one radio frequency processing module, and the quantity of described radio frequency processing module is consistent with the quantity of described antenna, and each radio frequency processing module is all for baseband signal being changed and is treated to radiofrequency signal to be sent;
Transmitting element will send at least one antenna by described feeder line accordingly from least one radiofrequency signal to be sent of described multichannel RF processing unit.
2. device according to claim 1, is characterized in that, described radio frequency processing module specifically comprises:
Radio-frequency modulator is used for baseband signal is converted to radiofrequency signal;
Power amplifier is used for the radiofrequency signal that described radio-frequency modulator is converted to is amplified and obtains radiofrequency signal to be sent.
3. device according to claim 2, is characterized in that, described radio frequency processing module also comprises: band pass filter and low pass filter;
Described band pass filter is used for that the radiofrequency signal that described radio-frequency modulator is converted to is carried out filtering and obtains radiofrequency signal in the predetermined work frequency range, and described predetermined work frequency range comprises: 2.4GHZ to 2.4835GHz, perhaps 5.8GHZ to 5.85GHz;
Described power amplifier, concrete being used for obtains radiofrequency signal to be sent to amplifying from the radiofrequency signal of described band pass filter;
Described low pass filter, the radiofrequency signal after being used for described power amplifier is amplified carry out the be eliminated radiofrequency signal to be sent of high-frequency noise of filtering.
4. according to claim 2 or 3 described devices, is characterized in that, described device also comprises:
Control unit is used for controlling described radio frequency processing module and works under single-stream mode; Also be used for gathering the performance number of the radiofrequency signal to be sent after described power amplifier amplifies, according to the performance number of the radiofrequency signal that collects and the relativity of the output power value of being scheduled to, control described power amplifier with predetermined output power value output radiofrequency signal to be sent.
5. device according to claim 2, is characterized in that, described radio frequency processing module also comprises: transmit/receive switch, low noise amplifier and radio-frequency (RF) demodulator;
Described transmit/receive switch is used for and will sends to described antenna by described feeder line from the radiofrequency signal to be sent of described power amplifier, will from described feeder line pass through described antenna reception to radiofrequency signal send to described low noise amplifier;
Described low noise amplifier is used for the radiofrequency signal from described transmit/receive switch is carried out low noise amplification;
Described radio-frequency (RF) demodulator is used for and will be converted to baseband signal from the radiofrequency signal of low noise amplifier.
6. device according to claim 5, is characterized in that, described device also comprises:
Control unit is used for controlling each radio frequency processing module and works under single-stream mode; Also be used for gathering the performance number of the radiofrequency signal after described low noise amplifier amplifies, according to the performance number of the radiofrequency signal that collects and the relativity of the input power value of being scheduled to, control described low noise amplifier with predetermined input power value output radiofrequency signal.
7. a network equipment, is characterized in that, comprises that the intelligence that is applied to chamber minute WLAN (wireless local area network) as described in any one in claim 1～6 divides wireless access device.
8. an intelligence that is applied to chamber minute WLAN (wireless local area network) is divided wireless access device, and this device is connected with at least one antenna that is positioned at Indoor environment by feeder line, it is characterized in that, comprising:
The first multichannel RF processing unit, comprise at least one first radio frequency processing module, the quantity of described the first radio frequency processing module is consistent with the quantity of described antenna, and each first radio frequency processing module is all for baseband signal being changed and is treated to the first radiofrequency signal to be sent;
The second multichannel RF processing unit, comprise at least one second radio frequency processing module, the quantity of described the second radio frequency processing module is consistent with the quantity of described antenna, and each second radio frequency processing module is all for baseband signal being changed and is treated to the second radiofrequency signal to be sent;
Merge transmitting element, be used for and from a road of described the first multichannel RF processing unit the first radiofrequency signal to be sent and send to accordingly an antenna from a road of described the second multichannel RF processing unit the second radiofrequency signal to be sent by feeder line.
9. device according to claim 8, is characterized in that, described the first radio frequency processing module specifically comprises:
The first radio-frequency modulator is used for baseband signal is converted to the first radiofrequency signal;
The first power amplifier is used for the first radiofrequency signal that described the first radio-frequency modulator is converted to is amplified and obtains the first radiofrequency signal to be sent;
Described the second radio frequency processing module specifically comprises:
The second radio-frequency modulator is used for baseband signal is converted to the second radiofrequency signal;
The second power amplifier is used for the second radiofrequency signal that described the second radio-frequency modulator is converted to is amplified and obtains the second radiofrequency signal to be sent.
10. device according to claim 9, is characterized in that, described the first radio frequency processing module also comprises: the first band pass filter and the first low pass filter;
Described the first band pass filter is used for that the first radiofrequency signal that described the first radio-frequency modulator is converted to is carried out filtering and obtains the first radiofrequency signal in the predetermined work frequency range, and described predetermined work frequency range comprises: 2.4GHZ to 2.4835GHz;
Described the first power amplifier, concrete being used for obtains the first radiofrequency signal to be sent to amplifying from the first radiofrequency signal of described the first band pass filter;
Described the first low pass filter, the first radiofrequency signal after being used for described the first power amplifier is amplified carry out be eliminated first radiofrequency signal to be sent of high-frequency noise of filtering;
Described the second radio frequency processing module also comprises: the second band pass filter and the second low pass filter;
Described the second band pass filter is used for that the second radiofrequency signal that described the second radio-frequency modulator is converted to is carried out filtering and obtains the second radiofrequency signal in the predetermined work frequency range, and described predetermined work frequency range comprises: 5.15GHz to 5.825GHz;
Described the second power amplifier, concrete being used for obtains the second radiofrequency signal to be sent to amplifying from the second radiofrequency signal of described the second band pass filter;
Described the second low pass filter, the second radiofrequency signal after being used for described the second power amplifier is amplified carry out be eliminated second radiofrequency signal to be sent of high-frequency noise of filtering.
11. device according to claim 9 is characterized in that, described device also comprises:
Control unit is used for controlling described the first radio frequency processing module and described the second radio frequency processing module is all worked under single-stream mode; Also be used for gathering the performance number of the first radiofrequency signal to be sent after described the first power amplifier amplifies, according to the performance number of the first radiofrequency signal that collects and the relativity of the first output power value of being scheduled to, control described the first power amplifier with first predetermined output power value output the first radiofrequency signal to be sent; Also be used for gathering the performance number of the second radiofrequency signal to be sent after described the second power amplifier amplifies, according to the performance number of the second radiofrequency signal that collects and the relativity of the second output power value of being scheduled to, control described the second power amplifier with second predetermined output power value output the second radiofrequency signal to be sent.
12. device according to claim 9 is characterized in that, described the first radio frequency processing module also comprises: the first transmit/receive switch, the first low noise amplifier and the first radio-frequency (RF) demodulator;
Described the first transmit/receive switch, be used for and will send to described merging transmitting element from first radiofrequency signal to be sent of described the first power amplifier, will from described merging transmitting element pass through described antenna reception to the first radiofrequency signal send to described the first low noise amplifier;
Described the first low noise amplifier is used for the first radiofrequency signal from described the first transmit/receive switch is carried out low noise amplification;
Described the first radio-frequency (RF) demodulator is used for and will be converted to baseband signal from the first radiofrequency signal of the first low noise amplifier;
Described the second radio frequency processing module also comprises: the second transmit/receive switch, the second low noise amplifier and the second radio-frequency (RF) demodulator;
Described the second transmit/receive switch, be used for and will send to described merging transmitting element from second radiofrequency signal to be sent of described the second power amplifier, will from described merging transmitting element pass through described antenna reception to the second radiofrequency signal send to described the second low noise amplifier;
Described the second low noise amplifier is used for the second radiofrequency signal from described the second transmit/receive switch is carried out low noise amplification;
Described the second radio-frequency (RF) demodulator is used for and will be converted to baseband signal from the second radiofrequency signal of the second low noise amplifier.
13. device according to claim 12 is characterized in that, described device also comprises:
Control unit is used for controlling described the first radio frequency processing module and described the second radio frequency processing module is all worked under single-stream mode; Also be used for gathering the performance number of the first radiofrequency signal after described the first low noise amplifier amplifies, according to the performance number of the first radiofrequency signal that collects and the relativity of the first input power value of being scheduled to, control described the first low noise amplifier with first predetermined input power value output the first radiofrequency signal; Also be used for gathering the performance number of the second radiofrequency signal after described the second low noise amplifier amplifies, according to the performance number of the second radiofrequency signal that collects and the relativity of the second input power value of being scheduled to, control described the second low noise amplifier with second predetermined input power value output the second radiofrequency signal.
14. a network equipment is characterized in that, comprises that the intelligence that is applied to chamber minute WLAN (wireless local area network) as described in any one in claim 8～13 divides wireless access device.
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Address after: Cangshan District of Fuzhou City, Fujian province 350002 Jinshan Road No. 618 Garden State Industrial Park 19 floor Patentee after: RUIJIE NETWORKS CO., LTD. Address before: Cangshan District of Fuzhou City, Fujian province 350002 Jinshan Road No. 618 Garden State Industrial Park 19 floor Patentee before: Fujian Xingwangruijie Network Co., Ltd. |