CN102883335A - Smart distribution single-frequency/dual-frequency wireless access system, device and method - Google Patents
Smart distribution single-frequency/dual-frequency wireless access system, device and method Download PDFInfo
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- CN102883335A CN102883335A CN2012103335525A CN201210333552A CN102883335A CN 102883335 A CN102883335 A CN 102883335A CN 2012103335525 A CN2012103335525 A CN 2012103335525A CN 201210333552 A CN201210333552 A CN 201210333552A CN 102883335 A CN102883335 A CN 102883335A
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Abstract
The invention discloses a smart distribution single-frequency/dual-frequency wireless access system, a device, a method and a network device used in the indoor distribution wireless local area network (WLAN). According to the single-frequency wireless access scheme provided by the invention, AP (access point) divides a RF (radio frequency) signal to be transmitted to a plurality of sub-RF signals with a number identical to that of antennas, and transmit the plurality of sub-RF signals to the antennas in a one-to-one manner; and the antennas send out the received sub-RF signals so as to realize power distribution of the RF signal inside the AP. Accordingly, the system provided by the invention can solve the problems of the existing place-mounted WLAN and indoor distribution WLAN, such as weak signal strength, nonuniform signal coverage, and high interference to signals, and can lower the deployment cost and the construction difficulty of WLAN in relative to the indoor distribution WLAN.
Description
Technical field
The present invention relates to the WLAN (wireless local area network) field, particularly, relate to a kind of intelligence minute single-frequency that is applied to chamber minute WLAN (wireless local area network)/double-frequency wireless connecting system, device and method, 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 freely working space.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 Network) becomes a focus in the 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 and puts dress deployment scheme and chamber minute deployment scheme at present.
(1), in putting the dress deployment scheme, install a large amount of AP and antenna concentratedly in the corridor of building, AP realize to cover by the signal of the antenna transmission room that enters through walls.But there is following shortcoming in this mode:
Self-interference is serious between the first, the AP, and signal transmitting and receiving speed is low; Owing in a WLAN, concentrate and dispose a plurality of AP, reach effective covering of signal, certainly exist co-channel interference between a plurality of AP, this will cause wireless network speed low, unstable, ceaselessly redirect when wireless terminal carries out the wireless network connection;
The second, signal can't arrive house interior effectively; Because indoor room adopts the entity brick wall, and is very serious to stopping of signal, it is more serious that finishing more luxurious stops, causes in most of room signal very low, even signal blind spot occurs;
Three, in order to strengthen signal strength signal intensity, the Misuse power amplifier is namely put the dress place at AP and is installed powerful power amplifier additional, and this causes effective radiation seriously to surpass national standard, and is harmful.
Chamber minute deployment scheme can solve the problem that co-channel interference, signal between the AP that the dress type exists in disposing can't reach house interior effectively of putting.
(2), divide in the deployment scheme in the chamber, AP is installed 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 present this mode:
The first, the radiofrequency signal of WLAN output will be passed through various power splitters, coupler and cable, and passive device and feeder line are obvious to the attenuating of radiofrequency signal, causes signal to reach the intensity difference of each antenna, and 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, is subject to easily 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.
As seen put dress WLAN and the chamber is divided in the WLAN deployment scheme present, have all that signal strength signal intensity is weak, signal covers problem inhomogeneous and that signal easily is disturbed, the chamber divides the WLAN deployment scheme also to have WLAN lower deployment cost, the highly difficult large problem of construction.
Summary of the invention
In view of this, the embodiment of the invention provides the intelligence minute single-frequency that a kind of chamber of being applied to divides WLAN/double-frequency wireless connecting system, device and method, the network equipment, in order to a little less than solving the signal strength signal intensity that existing WLAN exists, signal covers problem inhomogeneous and that signal easily is disturbed, and WLAN lower deployment cost, the highly difficult large problem of construction are divided in the chamber.
Embodiment of the invention technical scheme is as follows:
The intelligence minute single-frequency wireless access system of WLAN is divided in a kind of chamber of being applied to, and comprising: access point AP and at least one antenna connect by feeder line between described AP and the described antenna; Described AP is used for radiofrequency signal to be sent is assigned as way at least one way radiofrequency signal identical with the quantity of described antenna, and respectively described at least one way radiofrequency signal is sent to described at least one antenna correspondingly; Described antenna is used for sending described sub-radiofrequency signal.
The intelligence minute single-frequency wireless access device of WLAN is divided in a kind of chamber of being applied to, comprise: distribution module, be used for radiofrequency signal to be sent is assigned as the identical at least one way radiofrequency signal of quantity of way and at least one antenna that is connected with described device, and respectively described at least one way radiofrequency signal sent to described at least one antenna correspondingly.
A kind of network equipment comprises that the aforesaid chamber of being applied to divides the intelligence minute single-frequency wireless access device of WLAN.
The intelligence minute single-frequency radio switch-in method of WLAN is divided in a kind of chamber of being applied to, and comprising: access point AP is assigned as the way at least one way radiofrequency signal identical with the quantity of at least one antenna that is connected with radiofrequency signal to be sent; And respectively described at least one way radiofrequency signal is sent to described at least one antenna correspondingly.
A kind of chamber of being applied to divides the intelligence of WLAN to divide the double-frequency wireless connecting system, comprising: access point AP and at least one antenna connect by feeder line between described AP and the described antenna; Described AP, be used for the first radiofrequency signal to be sent and the second radiofrequency signal are assigned as respectively the way at least one road first sub-radiofrequency signal identical with the quantity of described antenna and at least one road the second sub-radiofrequency signal, and correspondingly one tunnel described first sub-radiofrequency signal and one tunnel described second sub-radiofrequency signal merging sent to a described antenna; Described antenna is used for sending the described first sub-radiofrequency signal and the described second sub-radiofrequency signal.
A kind of chamber of being applied to divides the intelligence of WLAN to divide the double-frequency wireless access device, comprise: distribution module is used for the first radiofrequency signal to be sent and the second radiofrequency signal are assigned as respectively the way at least one road first sub-radiofrequency signal identical with the quantity of described antenna and at least one road the second sub-radiofrequency signal; Merge sending module, be used for correspondingly one tunnel described first sub-radiofrequency signal and one tunnel described second sub-radiofrequency signal merging being sent to a described antenna.
A kind of network equipment comprises that the aforesaid chamber of being applied to divides the intelligence of WLAN to divide the double-frequency wireless access device.
A kind of chamber of being applied to divides the intelligence of WLAN to divide the double-frequency wireless cut-in method, comprising: access point AP is assigned as respectively the way at least one road first sub-radiofrequency signal identical with the quantity of at least one antenna that is connected and at least one road the second sub-radiofrequency signal with the first radiofrequency signal to be sent and the second radiofrequency signal; And correspondingly one tunnel described first sub-radiofrequency signal and one tunnel described second sub-radiofrequency signal merging are sent to a described antenna.
The intelligence minute single-frequency wireless access system that provides according to the embodiment of the invention, AP is assigned as the way multichannel sub-radiofrequency signal identical with the quantity of antenna with radiofrequency signal to be sent, and by feeder line the radiofrequency signal of multichannel is sent to a plurality of antennas correspondingly, the sub-radiofrequency signal that antenna will receive sends, can be in the inner power division that realizes of AP, thereby can overcome a little less than the signal strength signal intensity that WLAN exists in the prior art, signal covers problem inhomogeneous and that signal easily is disturbed, and divide the WLAN deployment scheme with respect to existing chamber, owing to saved the power distributing circuit of AP outside, can reduce the lower deployment cost of WLAN, reduce difficulty of construction.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, 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 the intelligence minute single-frequency wireless access system of WLAN is divided in the chamber of being applied to that the embodiment of the invention provides;
Fig. 2 is the workflow diagram that the intelligence minute single-frequency radio switch-in method of WLAN is divided in the chamber of being applied to that the embodiment of the invention provides;
Fig. 3 is the structured flowchart that the intelligence minute single-frequency wireless access device of WLAN is divided in the chamber of being applied to that the embodiment of the invention provides;
Fig. 4 is the preferred structure block diagram of device shown in Figure 3;
Fig. 5 is that the structured flowchart of the intelligence minute single-frequency wireless access system specific implementation of WLAN is divided in the chamber of being applied to that the embodiment of the invention provides;
Fig. 6 is that the chamber of being applied to that the embodiment of the invention provides divides the intelligence of WLAN to divide the structured flowchart of double-frequency wireless connecting system;
Fig. 7 is that the chamber of being applied to that the embodiment of the invention provides divides the intelligence of WLAN to divide the workflow diagram of double-frequency wireless cut-in method;
Fig. 8 is that the chamber of being applied to that the embodiment of the invention provides divides the intelligence of WLAN to divide the structured flowchart of double-frequency wireless access device;
Fig. 9 is the preferred structure block diagram of device shown in Figure 8;
Figure 10 is that the chamber of being applied to that the embodiment of the invention provides divides the intelligence of WLAN to divide the structured flowchart of double-frequency wireless connecting system specific implementation.
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.
The embodiment of the invention for existing put dress WLAN and chamber divide the signal strength signal intensity that all exists among the WLAN a little less than, signal covers problem inhomogeneous and that signal easily is disturbed, and WLAN lower deployment cost, the highly difficult large problem of construction are divided in the chamber, proposed a kind of chamber of being applied to and divided the intelligence minute single-frequency of WLAN/double-frequency wireless access scheme, in order to solve this scheme.
In embodiments of the present invention, the implication of " intelligence is divided " is for to carry out smart allocation to signal, the implication of " the intelligence minute single-frequency wireless access system of WLAN is divided in the chamber of being applied to " be applied to chamber somatotype WLAN signal is carried out the single-frequency wireless access system of smart allocation, the implication of " chamber of being applied to divides the intelligence of WLAN to divide the double-frequency wireless connecting system " be applied to chamber somatotype WLAN signal is carried out the double-frequency wireless connecting system of smart allocation.
In the single-frequency radio access scheme that the embodiment of the invention provides, in the inner power division that realizes of AP, also be that AP is assigned as the way multichannel sub-radiofrequency signal identical with the quantity of antenna with radiofrequency signal to be sent, and by feeder line the radiofrequency signal of multichannel is sent to a plurality of antennas correspondingly, the sub-radiofrequency signal that antenna will receive sends, antenna can be deployed in the place that Indoor environment needs wireless signal as required, and divide WLAN to save the power distributing circuit of AP outside with respect to existing chamber, thereby can overcome and put dress WLAN and chamber in the prior art and divide a little less than the signal strength signal intensity that WLAN all exists, signal covers problem inhomogeneous and that signal easily is disturbed, and owing to saved the power distributing circuit of AP outside, AP is connected with antenna and is connected by feeder line, can reduce the lower deployment cost of WLAN, reduce difficulty of construction.
Embodiment one
The structured flowchart of the intelligence minute single-frequency wireless access system of WLAN is divided in the chamber of being applied to that the embodiment of the invention has been shown among Fig. 1 to be provided, as shown in Figure 1, this system comprises AP 11 and at least one antenna 12, and antenna is positioned at Indoor environment, connects by feeder line 13 between AP 11 and the antenna 12.
AP 11 is used for radiofrequency signal to be sent is assigned as way at least one way radiofrequency signal identical with the quantity of antenna, and respectively at least one way radiofrequency signal is sent at least one antenna correspondingly; Particularly, AP 11 at first carries out filtering to radiofrequency signal and obtains radiofrequency signal to be sent in the predetermined work frequency range, and the predetermined work frequency range comprises: 2.4GHz to 2.4835GHz, perhaps 5.8GHz to 5.85GHz; Secondly, AP 11 can distribute to sent the gross power of radiofrequency signal according to various ways, obtain the way at least one way radiofrequency signal identical with the quantity of at least one antenna, particularly, AP 11 can be distributed equally to sent the gross power of radiofrequency signal, obtain the identical at least one way radiofrequency signal of power, also can distribute according to predetermined proportionate relationship to sent the gross power of radiofrequency signal, obtain at least one way radiofrequency signal that performance number each other meets this proportionate relationship, radiofrequency signal to be sent can also be divided at least one way radiofrequency signal of preset power value;
The workflow diagram of the intelligence minute single-frequency radio switch-in method of WLAN is divided in the chamber of being applied to that Fig. 2 shows the embodiment of the invention to be provided, and also is the workflow that Fig. 2 shows AP shown in Fig. 1 11, and this workflow comprises:
Operation principle by system shown in Figure 1 and AP 11 can be found out, power in AP 11 inside to sent radiofrequency signal distributes, the sub-radiofrequency signal that distribution is obtained sends to antenna by feeder line, antenna can be deployed in the place that Indoor environment needs wireless signal as required, signal strength signal intensity is not subjected to the impact of the space length of AP position and antenna position, in space, antenna place, can realize the signal uniform fold, the signal that can reduce between the AP disturbs, thereby can overcome and put dress WLAN and chamber in the prior art and divide a little less than the signal strength signal intensity that WLAN all exists, signal covers problem inhomogeneous and that signal easily is disturbed, and owing to saved the power distributing circuit of AP outside, AP is connected with antenna and is connected by feeder line, can reduce the lower deployment cost of WLAN, reduce difficulty of construction.
Preferably, AP 11 also carries out filtering to radiofrequency signal and obtains radiofrequency signal to be sent, can isolate the frequency range beyond the predetermined working frequency range, thereby can further improve the interference free performance of AP 11.
The structured flowchart of the intelligence minute single-frequency wireless access device of WLAN is divided in the chamber of being applied to that Fig. 3 shows the embodiment of the invention to be provided, and also namely comprises device as shown in Figure 3 in AP 11 as shown in Figure 1, and this device comprises:
Preferably, Fig. 4 shows the preferred structure block diagram of device shown in Figure 3, on the basis of structure shown in Figure 3, device shown in Figure 4 also comprises filtration module 32, filtration module 32 is used for that radiofrequency signal is carried out filtering and obtains radiofrequency signal to be sent in the predetermined work frequency range, the predetermined work frequency range comprises: 2.4GHz to 2.4835GHz, perhaps 5.8GHz to 5.85GHz.Then,
The gross power of distribution module 31 concrete radiofrequency signals to be sent for filtration module 32 is obtained is distributed equally, and obtains the identical at least one way radiofrequency signal of power; Perhaps, gross power to sent radiofrequency signal is distributed according to predetermined proportionate relationship, obtain at least one way radiofrequency signal that performance number each other meets this proportionate relationship, radiofrequency signal to be sent can also be divided at least one way radiofrequency signal of preset power value.
The operation principle of Fig. 3 and device shown in Figure 4 repeats no more as shown in Figure 2 here.
Fig. 3 or device shown in Figure 4 also can overcome puts in the prior art that the signal strength signal intensity of dividing WLAN all to exist in dress WLAN and chamber is weak, signal covers problem inhomogeneous and that signal easily is disturbed, can reduce WLAN lower deployment cost, reduce difficulty of construction.
Based on identical inventive concept, the embodiment of the invention also provides a kind of network equipment, and this equipment comprises that such as Fig. 3 or device shown in Figure 4 in concrete the application, this network equipment can be AP.
The below describes the situation of embodiment one specific implementation.
The structured flowchart of the intelligence minute single-frequency wireless access system specific implementation of WLAN is divided in the chamber of being applied to that Fig. 5 shows the embodiment of the invention to be provided, as shown in Figure 5, this system comprises AP 51 and n antenna 52, antenna 52 is positioned at respectively n room of building correspondingly, all connect by feeder line 53 between AP 51 and the antenna 52, wherein, n is natural number.Comprise signal processing unit 511 and filtering allocation units 512 among the AP 51, filtering allocation units 512 also are that filtering allocation units 512 are corresponding to the filtration module 32 among Fig. 4 and distribution module 31 corresponding to wireless access device shown in Figure 4.
512 pairs of radiofrequency signals from signal processing unit 511 of filtering allocation units are carried out filtering and power division, also namely at first radiofrequency signal is carried out filtering and obtain radiofrequency signal in the working frequency range of narrow bandwidth, this working frequency range meets 802.11 standards, working frequency range is specially 2.4GHz to 2.4835GHz, perhaps 5.8GHz to 5.85GHz, secondly filtered radiofrequency signal is carried out power division, the principle that is distributed equally according to the gross power to radiofrequency signal, distribution obtains the way n way radiofrequency signal identical with the quantity n of antenna 52 to radiofrequency signal, and this n way radiofrequency signal is sent to n antenna 52 correspondingly.
Radiofrequency signal can be distributed into comparatively equably the sub-radiofrequency signal of the roughly the same multichannel of power by system AP shown in Figure 5 51, and sub-radiofrequency signal sent to antenna 52 by feeder line, so that the sub-radiofrequency signal power stability that each antenna 52 receives, signal power strength is suitable, thereby realize the uniform fold of signal, can mask working frequency range other signals in addition by filtering, can improve the interference free performance of radiofrequency signal, as seen can improve the network performance of AP by system shown in Figure 5, overcome and existing put dress WLAN and the chamber is divided a little less than the signal strength signal intensity that exists among the WLAN, signal covers problem inhomogeneous and that signal easily is disturbed.And system construction as shown in Figure 5 is simple, lower deployment cost is low.
Particularly, filtering allocation units 512 can be the filtering distributor circuits that plate carries, and meet like this AP miniaturization and integrated requirement.The filtering distributor circuit that plate carries can have multiple implementation, for example: the first, can be by realizing the filtering distributor circuit in surface-mounted integrated circuit design, second, can be by the combination realization filtering distributor circuit of existing filtering chip and power division chip.Adopt first method need to design special integrated circuit, circuit level is high, specification of equipment is little, and signal handling capacity is remarkable, is comparatively desirable implementation, for example can adopt filter circuit and little band cabling (PCB cabling) circuit to realize; Adopt second method to debug the coupling of chip chamber, signal handling capacity depends on the disposal ability of chip.
In sum, technical scheme according to embodiment one, in the inner power division that realizes of AP, also be that AP is assigned as the way multichannel sub-radiofrequency signal identical with the quantity of antenna with radiofrequency signal to be sent, and by feeder line the radiofrequency signal of multichannel is sent to a plurality of antennas correspondingly, the sub-radiofrequency signal that antenna will receive sends, antenna can be deployed in the place that Indoor environment needs wireless signal as required, and divide WLAN to save the power distributing circuit of AP outside with respect to existing chamber, can overcome and put dress WLAN and chamber in the prior art and divide a little less than the signal strength signal intensity that WLAN all exists, signal covers problem inhomogeneous and that signal easily is disturbed, and owing to saved the power distributing circuit of AP outside, AP is connected with antenna and is connected by feeder line, can reduce the lower deployment cost of WLAN, reduce difficulty of construction.
Embodiment two
Based on identical inventive concept, the embodiment of the invention also provides a kind of intelligence that is applied to chamber minute WLAN (wireless local area network) to divide the double-frequency wireless connecting system.
Fig. 6 shows the intelligence that is applied to chamber minute WLAN (wireless local area network) and divides the double-frequency wireless connecting system, comprising: AP 61 and at least one antenna 62, and antenna 62 is positioned at Indoor environment, connects by feeder line 63 between AP 61 and the antenna 62;
The workflow diagram that the chamber of being applied to that Fig. 7 shows the embodiment of the invention to be provided divides the intelligence of WLAN to divide the double-frequency wireless cut-in method also is the workflow that Fig. 7 shows AP shown in Fig. 6 61, and this workflow comprises:
Preferably, AP 61 at first carries out the first radiofrequency signal to be sent in the first working frequency range that filtering obtains being scheduled to the first radiofrequency signal, the second radiofrequency signal is carried out the second radiofrequency signal to be sent in the second working frequency range that filtering obtains being scheduled to, the first predetermined working frequency range comprises: 2.4GHz to 2.4835GHz, and the second predetermined working frequency range comprises: 5.15GHz to 5.825GHz;
Secondly, AP 61 can distribute to sent the first radiofrequency signal and the second radiofrequency signal according to various ways, particularly, can be distributed equally to sent the gross power of the first radiofrequency signal, obtain the identical at least one road of power the first sub-radiofrequency signal, gross power to sent the second radiofrequency signal is distributed equally, and obtains the identical at least one road of power the second sub-radiofrequency signal; Perhaps,
Gross power to sent the first radiofrequency signal is distributed according to the first predetermined proportionate relationship, obtain at least one road the first sub-radiofrequency signal that performance number each other meets this first proportionate relationship, distribute according to the second predetermined proportionate relationship to sent the gross power of the second radiofrequency signal, obtain at least one road the second sub-radiofrequency signal that performance number each other meets this second proportionate relationship; Perhaps,
The first radiofrequency signal to be sent is divided at least one road first sub-radiofrequency signal of preset power value, the second radiofrequency signal to be sent is divided at least one road second sub-radiofrequency signal of preset power value;
Operation principle by system shown in Figure 6 and AP 61 can be found out, on the basis of single-frequency wireless access system shown in Figure 1, AP 61 in the system shown in Figure 6 can also be in the power division of device interior realization to sent two-frequency signal, and export to antenna 62 by feeder line after correspondingly two-frequency signal being merged, antenna 62 output two-frequency signals, can be implemented in Indoor environment provides the signal of two-frequency signal to cover 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, signal between AP disturbs little, and the interference that is subject to other communication system is little; And to realize that in the prior art the 2.4GHz of WLAN and the two-frequency signal of 5.8GHz cover, the wireless access system of putting dress type or chamber somatotype with regard to disposing two covers is realized respectively the wireless access of 2.4GHz and the wireless access of 5.8GHz, like this with regard to the lower deployment cost height that causes double frequency WLAN, the problem that difficulty of construction is large, and, 5.8GHz the signal space decay is very large, building masonry wall is remarkable to the blocking-up attenuating of signal, the wireless access signal strength signal intensity that will cause like this 5.8GHz very a little less than; As seen the embodiment of the invention can realize the wireless access of two-frequency signal effectively, save lower deployment cost, the reduction difficulty of construction of double frequency WLAN, and the signal strength signal intensity of 5.8GHz signal is good, signal attenuation is little.
Based on same inventive concept, the intelligence that the embodiment of the invention also provides a kind of chamber of being applied to divide WLAN is divided the double-frequency wireless access device.
The structured flowchart that a kind of chamber of being applied to that Fig. 8 shows the embodiment of the invention to be provided divides the intelligence of WLAN to divide the double-frequency wireless access device, as shown in Figure 8, this device comprises:
Particularly, distribution module 81 is distributed equally to sent the gross power of the first radiofrequency signal, obtain the identical at least one road of power the first sub-radiofrequency signal, be distributed equally to sent the gross power of the second radiofrequency signal, obtain the identical at least one road of power the second sub-radiofrequency signal; Perhaps, gross power to sent the first radiofrequency signal is distributed according to the first predetermined proportionate relationship, obtain at least one road the first sub-radiofrequency signal that performance number each other meets this first proportionate relationship, distribute according to the second predetermined proportionate relationship to sent the gross power of the second radiofrequency signal, obtain at least one road the second sub-radiofrequency signal that performance number each other meets this second proportionate relationship; Perhaps, the first radiofrequency signal to be sent is divided at least one road first sub-radiofrequency signal of preset power value, the second radiofrequency signal to be sent is divided at least one road second sub-radiofrequency signal of preset power value;
Merge sending module 82, be connected to distribution module 81, be used for correspondingly one tunnel first sub-radiofrequency signal and one tunnel second sub-radiofrequency signal merging being sent to an antenna; Preferably, merge the bandwidth of operation of sending module 82 more than or equal to the bandwidth summation of the first sub-radiofrequency signal and the second sub-radiofrequency signal.
Preferably, Fig. 9 shows the preferred structure block diagram of device shown in Figure 8, on the basis of device shown in Figure 8, device shown in Figure 9 also comprises filtration module 83, filtration module 83 is used for the first radiofrequency signal is carried out the first radiofrequency signal to be sent in the first working frequency range that filtering obtains being scheduled to, the second radiofrequency signal is carried out the second radiofrequency signal to be sent in the second working frequency range that filtering obtains being scheduled to, the first predetermined working frequency range comprises: 2.4GHz to 2.4835GHz, the second predetermined working frequency range comprises: 5.15GHz to 5.825GHz.
By Fig. 8 or device shown in Figure 9, also can effectively realize the wireless access of two-frequency signal, and the signal strength signal intensity of two-frequency signal is good, the signal of two-frequency signal covers evenly, and signal disturbs little.
Based on identical inventive concept, the embodiment of the invention also provides a kind of network equipment, and this equipment comprises that such as Fig. 8 or device shown in Figure 9 preferably, this network equipment can be AP.
The below describes the situation of embodiment two specific implementations.
The chamber of being applied to that Figure 10 shows the embodiment of the invention to be provided divides the intelligence of WLAN to divide the structured flowchart of double-frequency wireless connecting system specific implementation, as shown in figure 10, this system comprises AP 101 and n antenna 102, antenna 102 is positioned at respectively m room of building correspondingly, all connect by feeder line 103 between AP 101 and the antenna 102, wherein, m is natural number.Comprise first signal processing unit 1011, the first filtering allocation units 1012, secondary signal processing unit 1013, the second filtering allocation units 1014 among the AP 101 and close road transmitting element 1015, close and comprise in the road transmitting element 1015 that m closes road sending module 1015
1... 1015
m, filtering allocation units 1012 also are that filtering allocation units 1012 are corresponding to filtration module 82 and the distribution module 81 of Fig. 9 corresponding to double-frequency wireless access device shown in Figure 9.
First signal processing unit 1011 is used for and will be converted to the first radiofrequency signal from the first numeral letter of wireless bridge;
Secondary signal processing unit 1013 is used for and will be converted to the second radiofrequency signal from the second digital signal of wireless bridge;
1012 pairs of the first radiofrequency signals from first signal processing unit 1011 of the first filtering allocation units are carried out filtering and power division, also namely at first the first radiofrequency signal is carried out filtering and obtain radiofrequency signal in the working frequency range of narrow bandwidth, this working frequency range meets 802.11 standards, working frequency range is specially 2.4GHz to 2.4835GHz, secondly filtered the first radiofrequency signal is carried out power division, the principle that for example is distributed equally according to the gross power to radiofrequency signal, distribution obtains the way m road first sub-radiofrequency signal identical with the quantity m of antenna 102 to radiofrequency signal, and this m way radiofrequency signal is sent the individual road sending module 1015 that closes of m correspondingly
1... 1015
m
1014 pairs of the second radiofrequency signals from secondary signal processing unit 1013 of the second filtering allocation units are carried out filtering and power division, also namely at first the second radiofrequency signal is carried out filtering and obtain radiofrequency signal in the working frequency range of narrow bandwidth, this working frequency range meets 802.11 standards, working frequency range is specially 5.15GHz to 5.825GHz, secondly filtered the second radiofrequency signal is carried out power division, the principle that for example is distributed equally according to the gross power to radiofrequency signal, distribution obtains the way m road second sub-radiofrequency signal identical with the quantity m of antenna 102 to radiofrequency signal, and this m way radiofrequency signal is sent to m individual 1015 correspondingly
1... 1015
m
Close road sending module 1015
1... 1015
mRespectively one tunnel first sub-radiofrequency signal and one tunnel second sub-radiofrequency signal are merged output, export to antenna 102, close road sending module 1015
1... 1015
mBandwidth of operation be 2GHz ~ 6GHz;
Antenna 102 sends from the first sub-radiofrequency signal of AP 101 and the second sub-radiofrequency signal, and the bandwidth of operation of antenna 102 is 2GHz ~ 6GHz.
By system as described in Figure 10, AP 101 can be distributed into respectively the roughly the same multichannel of power the first sub-radiofrequency signal and multichannel the second sub-radiofrequency signal comparatively equably with the first radiofrequency signal and the second radiofrequency signal, and correspondingly one tunnel first sub-radiofrequency signal and one tunnel second sub-radiofrequency signal merging are exported to an antenna, so that the first sub-radiofrequency signal that each antenna reception arrives and one tunnel second sub-radiofrequency signal power stability, signal power strength is suitable, thereby realize the uniform fold of two-frequency signal, working frequency range other signals in addition can be masked by filtering, the interference free performance of two-frequency signal can be improved.
Particularly, the first filtering allocation units 1012 can arrange as filtering allocation units 512 among Fig. 5 with the second filtering allocation units 1014, repeat no more here.
Merge transmitting element 1015, multiple implementation can be arranged, for example, the first, can be complementary with the first filtering allocation units 1012 and the second filtering allocation units 1014, merge transtation mission circuit in the surface-mounted integrated circuit design, 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 the input impedance of two frequency ranges by emulation technology in advance and output impedance is all mated and two frequency ranges between length, bandwidth and the wire laying mode of the glitch-free PCB cabling of signal, thereby merged 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.
In sum, technical scheme by embodiment two, can be in the power division of AP device interior realization to sent two-frequency signal, and export to antenna by feeder line after correspondingly two-frequency signal being merged, antenna output two-frequency signal, can be implemented in Indoor environment provides the signal of two-frequency signal to cover 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, signal between AP disturbs little, the interference that is subject to other communication system is little, can effectively realize the wireless access of two-frequency signal, save the lower deployment cost of double frequency WLAN, reduce difficulty of construction, and the signal strength signal intensity of 5.8GHz signal is good, signal attenuation is little.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (20)
1. an intelligence minute single-frequency wireless access system that is applied to chamber minute WLAN (wireless local area network) is characterized in that, comprising: access point AP and at least one antenna connect by feeder line between described AP and the described antenna;
Described AP is used for radiofrequency signal to be sent is assigned as way at least one way radiofrequency signal identical with the quantity of described antenna, and respectively described at least one way radiofrequency signal is sent to described at least one antenna correspondingly;
Described antenna is used for sending described sub-radiofrequency signal.
2. system according to claim 1 is characterized in that, described AP specifically is used for:
Gross power to described radiofrequency signal to be sent is distributed equally, and obtains the identical described at least one way radiofrequency signal of power; Perhaps,
Gross power to described radiofrequency signal to be sent is distributed according to predetermined proportionate relationship, obtains described at least one way radiofrequency signal that performance number each other meets this proportionate relationship; Perhaps,
Described radiofrequency signal to be sent is divided into described at least one way radiofrequency signal of preset power value.
3. system according to claim 1 and 2 is characterized in that, described AP also is used for:
Radiofrequency signal is carried out filtering obtain radiofrequency signal described to be sent in the predetermined work frequency range, described predetermined work frequency range comprises: 2.4GHz to 2.4835GHz, perhaps 5.8GHz to 5.85GHz.
4. an intelligence minute single-frequency wireless access device that is applied to chamber minute WLAN (wireless local area network) is characterized in that, comprising:
Distribution module, be used for radiofrequency signal to be sent is assigned as the identical at least one way radiofrequency signal of quantity of way and at least one antenna that is connected with described device, and respectively described at least one way radiofrequency signal sent to described at least one antenna correspondingly.
5. device according to claim 4 is characterized in that, described distribution module specifically is used for:
Gross power to described radiofrequency signal to be sent is distributed equally, and obtains the identical described at least one way radiofrequency signal of power; Perhaps,
Gross power to described radiofrequency signal to be sent is distributed according to predetermined proportionate relationship, obtains described at least one way radiofrequency signal that performance number each other meets this proportionate relationship; Perhaps,
Described radiofrequency signal to be sent is divided into described at least one way radiofrequency signal of preset power value.
6. according to claim 4 or 5 described devices, it is characterized in that described device also comprises:
Filtration module is used for that radiofrequency signal is carried out filtering and obtains radiofrequency signal described to be sent in the predetermined work frequency range, and described predetermined work frequency range comprises: 2.4GHz to 2.4835GHz, perhaps 5.8GHz to 5.85GHz.
7. a network equipment is characterized in that, comprises such as each described intelligence minute single-frequency wireless access device that is applied to chamber minute WLAN (wireless local area network) in the claim 4 to 6.
8. an intelligence minute single-frequency radio switch-in method that is applied to chamber minute WLAN (wireless local area network) is characterized in that, comprising:
Access point AP is assigned as the way at least one way radiofrequency signal identical with the quantity of at least one antenna that is connected with radiofrequency signal to be sent;
And respectively described at least one way radiofrequency signal is sent to described at least one antenna correspondingly.
9. method according to claim 8 is characterized in that, AP is assigned as the way at least one way radiofrequency signal identical with the quantity of at least one antenna that is connected with radiofrequency signal to be sent, specifically comprises:
Gross power to described radiofrequency signal to be sent is distributed equally, and obtains the identical described at least one way radiofrequency signal of power; Perhaps,
Gross power to described radiofrequency signal to be sent is distributed according to predetermined proportionate relationship, obtains described at least one way radiofrequency signal that performance number each other meets this proportionate relationship; Perhaps,
Described radiofrequency signal to be sent is divided into described at least one way radiofrequency signal of preset power value.
10. according to claim 8 or 9 described methods, it is characterized in that described method also comprises:
Described AP carries out filtering to radiofrequency signal and obtains radiofrequency signal described to be sent in the predetermined work frequency range, and described predetermined work frequency range comprises: 2.4GHz to 2.4835GHz, perhaps 5.8GHz to 5.85GHz.
11. an intelligence that is applied to chamber minute WLAN (wireless local area network) is divided the double-frequency wireless connecting system, it is characterized in that, comprising: access point AP and at least one antenna connect by feeder line between described AP and the described antenna;
Described AP, be used for the first radiofrequency signal to be sent and the second radiofrequency signal to be sent are assigned as respectively the way at least one road first sub-radiofrequency signal identical with the quantity of described antenna and at least one road the second sub-radiofrequency signal, and correspondingly one tunnel described first sub-radiofrequency signal and one tunnel described second sub-radiofrequency signal merging sent to a described antenna;
Described antenna is used for sending the described first sub-radiofrequency signal and the described second sub-radiofrequency signal.
12. system according to claim 11 is characterized in that, described AP specifically is used for:
Gross power to described the first radiofrequency signal to be sent is distributed equally, obtain identical described at least one road the first sub-radiofrequency signal of power, gross power to described the second radiofrequency signal to be sent is distributed equally, and obtains identical described at least one road the second sub-radiofrequency signal of power; Perhaps,
Gross power to described the first radiofrequency signal to be sent is distributed according to the first predetermined proportionate relationship, obtain described at least one road the first sub-radiofrequency signal that performance number each other meets this first proportionate relationship, gross power to described the second radiofrequency signal to be sent is distributed according to the second predetermined proportionate relationship, obtains described at least one road the second sub-radiofrequency signal that performance number each other meets this second proportionate relationship; Perhaps,
Described the first radiofrequency signal to be sent is divided into described at least one road first sub-radiofrequency signal of preset power value, described the second radiofrequency signal to be sent is divided into described at least one road second sub-radiofrequency signal of preset power value.
13. according to claim 11 or 12 described systems, it is characterized in that described AP also is used for:
The first radiofrequency signal is carried out the first radiofrequency signal described to be sent in the first working frequency range that filtering obtains being scheduled to, the second radiofrequency signal is carried out the second radiofrequency signal described to be sent in the second working frequency range that filtering obtains being scheduled to, described the first predetermined working frequency range comprises: 2.4GHz to 2.4835GHz, the second predetermined working frequency range comprises: 5.15GHz to 5.825GHz.
14. an intelligence that is applied to chamber minute WLAN (wireless local area network) is divided the double-frequency wireless access device, it is characterized in that, comprising:
Distribution module is used for the first radiofrequency signal to be sent and the second radiofrequency signal to be sent are assigned as respectively the way at least one road first sub-radiofrequency signal identical with the quantity of described antenna and at least one road the second sub-radiofrequency signal;
Merge sending module, be used for correspondingly one tunnel described first sub-radiofrequency signal and one tunnel described second sub-radiofrequency signal merging being sent to a described antenna.
15. device according to claim 14 is characterized in that, described distribution module specifically is used for:
Gross power to described the first radiofrequency signal to be sent is distributed equally, obtain identical described at least one road the first sub-radiofrequency signal of power, gross power to described the second radiofrequency signal to be sent is distributed equally, and obtains identical described at least one road the second sub-radiofrequency signal of power; Perhaps,
Gross power to described the first radiofrequency signal to be sent is distributed according to the first predetermined proportionate relationship, obtain described at least one road the first sub-radiofrequency signal that performance number each other meets this first proportionate relationship, gross power to described the second radiofrequency signal to be sent is distributed according to the second predetermined proportionate relationship, obtains described at least one road the second sub-radiofrequency signal that performance number each other meets this second proportionate relationship; Perhaps,
Described the first radiofrequency signal to be sent is divided into described at least one road first sub-radiofrequency signal of preset power value, described the second radiofrequency signal to be sent is divided into described at least one road second sub-radiofrequency signal of preset power value.
16. according to claim 14 or 15 described devices, it is characterized in that described device also comprises:
Filtration module, be used for the first radiofrequency signal is carried out the first radiofrequency signal described to be sent in the first working frequency range that filtering obtains being scheduled to, the second radiofrequency signal is carried out the second radiofrequency signal described to be sent in the second working frequency range that filtering obtains being scheduled to, described the first predetermined working frequency range comprises: 2.4GHz to 2.4835GHz, the second predetermined working frequency range comprises: 5.15GHz to 5.825GHz.
17. a network equipment is characterized in that, comprises such as each described intelligence that is applied to chamber minute WLAN (wireless local area network) in the claim 14 to 16 dividing the double-frequency wireless access device.
18. an intelligence that is applied to chamber minute WLAN (wireless local area network) is divided the double-frequency wireless cut-in method, it is characterized in that, comprising:
Access point AP is assigned as respectively the way at least one road first sub-radiofrequency signal identical with the quantity of at least one antenna that is connected and at least one road the second sub-radiofrequency signal with the first radiofrequency signal to be sent and the second radiofrequency signal to be sent;
And correspondingly one tunnel described first sub-radiofrequency signal and one tunnel described second sub-radiofrequency signal merging are sent to a described antenna.
19. method according to claim 18, it is characterized in that, the first radiofrequency signal to be sent and the second radiofrequency signal are assigned as respectively the way at least one road first sub-radiofrequency signal identical with the quantity of at least one antenna that is connected and at least one road the second sub-radiofrequency signal, specifically comprise:
Gross power to described the first radiofrequency signal to be sent is distributed equally, obtain identical described at least one road the first sub-radiofrequency signal of power, gross power to described the second radiofrequency signal to be sent is distributed equally, and obtains identical described at least one road the second sub-radiofrequency signal of power; Perhaps,
Gross power to described the first radiofrequency signal to be sent is distributed according to the first predetermined proportionate relationship, obtain described at least one road the first sub-radiofrequency signal that performance number each other meets this first proportionate relationship, gross power to described the second radiofrequency signal to be sent is distributed according to the second predetermined proportionate relationship, obtains described at least one road the second sub-radiofrequency signal that performance number each other meets this second proportionate relationship; Perhaps,
Described the first radiofrequency signal to be sent is divided into described at least one road first sub-radiofrequency signal of preset power value, described the second radiofrequency signal to be sent is divided into described at least one road second sub-radiofrequency signal of preset power value.
20. according to claim 18 or 19 described methods, it is characterized in that described method also comprises:
The first radiofrequency signal is carried out the first radiofrequency signal described to be sent in the first working frequency range that filtering obtains being scheduled to, the second radiofrequency signal is carried out the second radiofrequency signal described to be sent in the second working frequency range that filtering obtains being scheduled to, described the first predetermined working frequency range comprises: 2.4GHz to 2.4835GHz, the second predetermined working frequency range comprises: 5.15GHz to 5.825GHz.
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Also Published As
| Publication number | Publication date |
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| CN102883336B (en) | 2015-07-22 |
| CN102883335B (en) | 2016-05-04 |
| CN102883336A (en) | 2013-01-16 |
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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. |