CN104065396A - Wireless access device and network equipment - Google Patents
Wireless access device and network equipment Download PDFInfo
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- CN104065396A CN104065396A CN201410264412.6A CN201410264412A CN104065396A CN 104065396 A CN104065396 A CN 104065396A CN 201410264412 A CN201410264412 A CN 201410264412A CN 104065396 A CN104065396 A CN 104065396A
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Abstract
The invention relates to the technical field of networks, in particular to a wireless access device and network equipment. The wireless access device comprises a control unit and at least one radio frequency processing unit connected with the control unit. Each radio frequency processing unit comprises a first radio frequency processing module and a second radio frequency processing module, wherein the first radio frequency processing module is used for converting and processing a received baseband signal into a first radio frequency signal and converting and processing a received first radio frequency signal into a baseband signal in a working state, and the second radio frequency processing module is used for converting and processing a received baseband signal into a second radio frequency signal and converting and processing a received second radio frequency signal into a baseband signal in a working state. The control unit is used for controlling the first radio frequency processing modules or the second radio frequency processing modules of the at least one radio frequency processing unit to be in the working state. By the adoption of the wireless access device, multiple wireless networks at the 2.4G frequency band and the 5.8G frequency band can be provided.
Description
Technical field
The present invention relates to networking technology area, relate in particular to a kind of wireless access device and 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, for enterprises and individuals provides a kind of novel network application platform, for enterprise has created wireless working space freely.From 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 radio network technique, has obtained application more and more widely, as school, hospital, hotel, office block etc.WLAN is the local area network (LAN) not connecting by any wire or transmission cable, and the medium that uses radio frequency (RF, RadioFrequency) 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) conventionally, and wireless local network user is by one or more access points (AP, Access Points) accessing WLAN.
According to 802.11 standards, the frequency range that WLAN comprises has two, is respectively 2.4G frequency range (2.4GHz～2.4835GHz) and 5.8G frequency range (5.18GHz～5.85GHz), and these two frequency ranges form WiFi covering focus jointly at present.
Existing AP only supports a kind of frequency range (2.4G frequency range or 5.8G frequency range), and the frequency range that user terminal is supported differs greatly, some user terminals are only supported 2.4G frequency range, some user terminals are only supported 5.8G frequency range, in order to meet consumers' demand, need dispose respectively the AP that supports 2.4G frequency range and the AP that supports 5.8G frequency range.
In prior art, between the AP of support different frequency range, work alone, if the whole user terminals in the coverage of the AP of support different frequency range are all only supported 2.4G frequency range, support that the AP of 5.8G frequency range will be in idle state, vice versa, may cause thus the resource utilization of AP lower, and the cost of the AP of deployment support different frequency range is higher.
Summary of the invention
The embodiment of the present invention provides a kind of wireless access device and the network equipment, in order to solve the lower problem of resource utilization of the AP existing in prior art.
The embodiment of the present invention is passed through a kind of wireless access device, at least one RF processing unit that described device comprises control unit and is connected with described control unit, wherein:
Each RF processing unit comprises the first radio frequency processing module and the second radio frequency processing module;
Described the first radio frequency processing module, for changing the baseband signal receiving be treated to the first radiofrequency signal and baseband signal is changed and be treated to the first radiofrequency signal receiving in the time that self is in running order;
Described the second radio frequency processing module, for changing the baseband signal receiving be treated to the second radiofrequency signal and baseband signal is changed and be treated to the second radiofrequency signal receiving in the time that self is in running order;
Described control unit, in running order for controlling the first radio frequency processing module or the second radio frequency processing module of at least one RF processing unit.
Adopt this device, because the first radio frequency processing module or the second radio frequency processing module of at least one RF processing unit can be in running order under the control of control unit, thereby RF processing unit can switch according to actual needs between the first radio frequency processing module and the second radio frequency processing module, avoids the waste of resource.And the in running order radio frequency processing module of each RF processing unit can be identical, also can be different, thus can realize according to actual demand the covering of wireless network, the deployment of wireless network is flexible.
Alternatively, described the first radio frequency processing module comprises the first downlink radio frequency processing submodule and the first up radio frequency processing submodule;
Described the first downlink radio frequency is processed submodule, for the first radiofrequency signal is changed and be treated to the baseband signal receiving in the time that self is in running order;
Described the first up radio frequency processing submodule, for changing and be treated to baseband signal by the first radiofrequency signal receiving in the time that self is in running order;
Described the second radio frequency processing module comprises the second downlink radio frequency processing submodule and the second up radio frequency processing submodule;
Described the second downlink radio frequency is processed submodule, for the second radiofrequency signal is changed and be treated to the baseband signal receiving in the time that self is in running order;
Described the second up radio frequency processing submodule, for changing and be treated to baseband signal by the second radiofrequency signal receiving in the time that self is in running order.
Alternatively, described device also comprises the antenna element connecting one to one with each RF processing unit; Each RF processing unit also comprises descending mixer, up mixer and transmit/receive switch, wherein:
Described descending mixer, for processing the first radiofrequency signal of submodule from described the first downlink radio frequency, or the second radiofrequency signal of processing submodule from described the second downlink radio frequency is sent to described transmit/receive switch;
Described up mixer, for being sent to described the first up radio frequency processing submodule from the first radiofrequency signal of described transmit/receive switch, or will be sent to described the second up radio frequency processing submodule from the second radiofrequency signal of described transmit/receive switch;
Described transmit/receive switch, for being sent to corresponding antenna element from the radiofrequency signal of described descending mixer, the radiofrequency signal of self-corresponding antenna element is sent to described up mixer in the future;
Described antenna element, for future, the radiofrequency signal of self-corresponding transmit/receive switch converts radio-wave radiation to space, converts the radio wave receiving to radiofrequency signal and is sent to corresponding transmit/receive switch.
Alternatively, described the first downlink radio frequency processing submodule specifically comprises:
The first radio-frequency modulator, for being converted to the baseband signal receiving the first sub-radiofrequency signal;
The first power amplifier, amplifies and obtains the first radiofrequency signal for the first sub-radiofrequency signal that described the first radio-frequency modulator is converted to;
Described the second downlink radio frequency is processed submodule and is specifically comprised:
The second radio-frequency modulator, for being converted to the baseband signal receiving the second sub-radiofrequency signal;
The second power amplifier, amplifies and obtains the second radiofrequency signal for the second sub-radiofrequency signal that described the second radio-frequency modulator is converted to.
Alternatively, described the first downlink radio frequency processing submodule also comprises: the first descending band pass filter;
Described the first descending band pass filter, carries out filtering for the first sub-radiofrequency signal that described the first radio-frequency modulator is converted to and obtains the first filtering radiofrequency signal in the first working frequency range;
Described the first power amplifier, specifically for to amplifying and obtain the first radiofrequency signal from the first filtering radiofrequency signal of described the first descending band pass filter;
Described the second downlink radio frequency is processed submodule and is also comprised: the second descending band pass filter;
Described the second descending band pass filter, carries out filtering for the second sub-radiofrequency signal that described the second radio-frequency modulator is converted to and obtains the second filtering radiofrequency signal in the second working frequency range;
Described the second power amplifier, specifically for to amplifying and obtain the second radiofrequency signal from the second filtering radiofrequency signal of described the second descending band pass filter.
So, can be realized by the first downlink radio frequency processing submodule the processing of the downstream signal of the first working frequency range, be realized the processing of the downstream signal of the second working frequency range by the second downlink radio frequency processing submodule.
Alternatively, described the first up radio frequency processing submodule specifically comprises: the first low noise amplifier and the first radio-frequency (RF) demodulator;
Described the first low noise amplifier, for obtaining the first amplification radiofrequency signal to carrying out low noise amplification from the first radiofrequency signal of described up mixer;
Described the first radio-frequency (RF) demodulator, specifically for being converted to baseband signal by amplifying radiofrequency signal from first of described the first low noise amplifier;
Described the second up radio frequency processing submodule specifically comprises: the second low noise amplifier and the second radio-frequency (RF) demodulator;
Described the second low noise amplifier, for obtaining the second amplification radiofrequency signal to carrying out low noise amplification from the second radiofrequency signal of described up mixer;
Described the second radio-frequency (RF) demodulator, specifically for being converted to baseband signal by amplifying radiofrequency signal from second of described the second low noise amplifier.
Alternatively, described the first up radio frequency processing submodule also comprises: the first up band pass filter;
Described the first up band pass filter, for amplifying first amplifying radiofrequency signal and carry out filtering and obtain the sub-radiofrequency signal of the first filtering in the first working frequency range of obtaining to described the first low noise amplifier;
Described the first radio-frequency (RF) demodulator, for being converted to baseband signal by the sub-radiofrequency signal of the first filtering from described the first up band pass filter;
Described the second up radio frequency processing submodule also comprises: the second up band pass filter;
Described the second up band pass filter, for amplifying second amplifying radiofrequency signal and carry out filtering and obtain the sub-radiofrequency signal of the second filtering in the second working frequency range of obtaining to described the second low noise amplifier;
Described the second radio-frequency (RF) demodulator, for being converted to baseband signal by the sub-radiofrequency signal of the second filtering from described the second up band pass filter.
So, can be realized by the first up radio frequency processing submodule the processing of the upward signal of the first working frequency range, be realized the processing of the upward signal of the second working frequency range by the second up radio frequency processing submodule.
Alternatively, the antenna in each antenna element is directional antenna.
So, can reduce wireless signal to other aerial radiations.
Alternatively, between each antenna element, use monolithic metal to isolate.
So, can reduce the interference between each antenna element.
Alternatively, described control unit specifically for:
The working frequency range of supporting according to the quantity of all user terminals of current access and each user terminal, the first radio frequency processing module or the second radio frequency processing module of controlling at least one RF processing unit are in running order.
The mode of operation of RF processing unit so, can be reasonably set according to user's request.
The embodiment of the present invention provides a kind of network equipment, comprises above-mentioned arbitrary described wireless access device.
Brief description of the drawings
The structural representation of the wireless access device that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the structural representation of a RF processing unit in Fig. 1;
Fig. 3 is the structural representation of RF processing unit and corresponding antenna element in Fig. 1;
Fig. 4 is the structural representation that in Fig. 2 or Fig. 3, the first downlink radio frequency is processed submodule;
Fig. 5 is the structural representation that in Fig. 2 or Fig. 3, the second downlink radio frequency is processed submodule;
Fig. 6 is another structural representation that in Fig. 2 or Fig. 3, the first downlink radio frequency is processed submodule;
Fig. 7 is another structural representation that in Fig. 2 or Fig. 3, the second downlink radio frequency is processed submodule;
Fig. 8 is the structural representation of the first up radio frequency processing submodule in Fig. 2 or Fig. 3;
Fig. 9 is the structural representation of the second up radio frequency processing submodule in Fig. 2 or Fig. 3;
Figure 10 is another structural representation of the first up radio frequency processing submodule in Fig. 2 or Fig. 3;
Figure 11 is another structural representation of the second up radio frequency processing submodule in Fig. 2 or Fig. 3;
Figure 12 is the schematic diagram that uses monolithic metal to isolate between three antenna elements.
Embodiment
At least one RF processing unit that the wireless access device that the embodiment of the present invention provides comprises control unit and is connected with control unit, in each RF processing unit, not only comprise the first radio frequency processing module but also comprise the second radio frequency processing module, and it is in running order that control unit can be controlled the first radio frequency processing module or the second radio frequency processing module of at least one RF processing unit, thereby RF processing unit can switch according to actual needs between the first radio frequency processing module and the second radio frequency processing module.
Below in conjunction with Figure of description, embodiments of the present invention is further illustrated, but the present invention is not limited to the following examples.
As shown in Figure 1, at least one RF processing unit 12 that the wireless access device in embodiment of the present invention scheme comprises control unit 11 and is connected with control unit 11
1 ... n, wherein:
Each RF processing unit 12 comprises the first radio frequency processing module 121 and the second radio frequency processing module 122;
The first radio frequency processing module 121, for changing the baseband signal receiving be treated to the first radiofrequency signal and baseband signal is changed and be treated to the first radiofrequency signal receiving in the time that self is in running order;
The second radio frequency processing module 122, for changing the baseband signal receiving be treated to the second radiofrequency signal and baseband signal is changed and be treated to the second radiofrequency signal receiving in the time that self is in running order;
Control unit 11, in running order for controlling the first radio frequency processing module 121 or the second radio frequency processing module 122 of at least one RF processing unit 12.
The operation principle of the device shown in Fig. 1 comprises: control unit 11 sends instruction to the first radio frequency processing module 121 and the second radio frequency processing module 122 of each RF processing unit 12, and to indicate, the first radio frequency processing module 121 is in running order or the second radio frequency processing module 122 is in running order.For example, suppose that control unit 11 sends instruction " 1 " and represents that radio frequency processing module corresponding to instruction is in running order, send instruction " 0 " and represent that radio frequency processing module corresponding to instruction is not in running order, the first radio frequency processing module 121 or the second radio frequency processing module 122 determine that self is in running order in the time receiving instruction " 1 ", determine that self is not in running order in the time receiving instruction " 0 ".
Particularly, control unit 11 can be central processing unit (CPU, Central Processing Unit) can pass through the special (PCIE of peripheral component interconnect standard between control unit 11 and each RF processing unit 12, Peripheral Component Interconnect Express) bus connects, in specific implementation process, control unit 11 can convert digital signal to baseband signal and send to each RF processing unit 12, and the baseband signal that each RF processing unit 12 is sent converts digital signal to.
Particularly, as shown in Figure 2, comprise the first downlink radio frequency processing submodule 1211 and the first up radio frequency processing submodule 1212 for a RF processing unit 12, the first radio frequency processing modules 121;
The first downlink radio frequency is processed submodule 1211, for the first radiofrequency signal is changed and be treated to the baseband signal receiving in the time that self is in running order;
The first up radio frequency processing submodule 1212, for changing and be treated to baseband signal by the first radiofrequency signal receiving in the time that self is in running order;
The second radio frequency processing module 122 comprises the second downlink radio frequency processing submodule 1221 and the second up radio frequency processing submodule 1222;
The second downlink radio frequency is processed submodule 1221, for the second radiofrequency signal is changed and be treated to the baseband signal receiving in the time that self is in running order;
The second up radio frequency processing submodule 1222, for changing and be treated to baseband signal by the second radiofrequency signal receiving in the time that self is in running order.
Further, this wireless access device also comprises the antenna element 13 connecting one to one with each RF processing unit 12, each RF processing unit 12 also comprises descending mixer 123, up mixer 124 and transmit/receive switch 125, be illustrated in figure 3 the structural representation of the antenna element 13 of a RF processing unit 12 and correspondence, wherein:
Descending mixer 123, for processing from the first downlink radio frequency the first radiofrequency signal of submodule 1211, or is sent to transmit/receive switch 125 from the second radiofrequency signal of the second downlink radio frequency processing submodule 1221;
Up mixer 124, for being sent to the first up radio frequency processing submodule 1212 from the first radiofrequency signal of transmit/receive switch 125, or will be sent to the second up radio frequency processing submodule 1222 from the second radiofrequency signal of transmit/receive switch 125;
Transmit/receive switch 125, for being sent to corresponding antenna element 13 from the radiofrequency signal of descending mixer 123, the radiofrequency signal of self-corresponding antenna element 13 is sent to up mixer 124 in the future;
Antenna element 13, for future, the radiofrequency signal of self-corresponding transmit/receive switch 125 converts radio-wave radiation to space, converts the radio wave receiving to radiofrequency signal and is sent to corresponding transmit/receive switch 125.
Wherein, the first downlink radio frequency is processed between submodule 1211 and control unit 11 and can be connected by the first transmission interface Tx1, between the first up radio frequency processing submodule 1212 and control unit 11, can be connected by the first receiving interface Rx1, the second downlink radio frequency is processed between submodule 1221 and control unit 11 and can be connected by the second transmission interface Tx2, between the second up radio frequency processing submodule 1222 and control unit 11, can be connected by the second receiving interface Rx2.If control unit 11 is determined, the first radio frequency processing submodule 121 is set to operating state, the first transmission interface Tx1 and the first receiving interface Rx1 are set to state of activation, and the second transmission interface Tx2 and the second receiving interface Rx2 are set to unactivated state; Or send instruction " 1 " to the first downlink radio frequency processing submodule 1211 and the first up radio frequency processing submodule 1212, send instruction " 0 " to the second downlink radio frequency processing submodule 1221 and the second up radio frequency processing submodule 1222.
Wherein, transmission interface represents to pass through this transmission interface transmitted signal in state of activation, receiving interface represents to receive signal by this receiving interface in state of activation, otherwise, transmission interface represents to pass through this transmission interface transmitted signal in unactivated state, and receiving interface represents to receive signal by this receiving interface in unactivated state.
Particularly, as shown in Figure 4, the first downlink radio frequency is processed submodule 1211 and is specifically comprised:
The first radio-frequency modulator 12111, for being converted to the baseband signal receiving the first sub-radiofrequency signal;
The first power amplifier 12112, amplifies and obtains the first radiofrequency signal for the first sub-radiofrequency signal that the first radio-frequency modulator 12111 is converted to.
Particularly, as shown in Figure 5, the second downlink radio frequency is processed submodule 1221 and is specifically comprised:
The second radio-frequency modulator 12211, for being converted to the baseband signal receiving the second sub-radiofrequency signal;
The second power amplifier 12212, amplifies and obtains the second radiofrequency signal for the second sub-radiofrequency signal that the second radio-frequency modulator 12211 is converted to.
Wherein, the first radio-frequency modulator 12111 only, in the time that self is in running order, is just converted to the first sub-radiofrequency signal by the baseband signal receiving; The second radio-frequency modulator 12211 only, in the time that self is in running order, is just converted to the second sub-radiofrequency signal by the baseband signal receiving.
Preferably, process on the basis of submodule 1211 at the first downlink radio frequency as shown in Figure 4, as shown in Figure 6, the first downlink radio frequency is processed submodule 1211 and is also comprised: the first descending band pass filter 12113;
The first descending band pass filter 12113, carries out filtering for the first sub-radiofrequency signal that the first radio-frequency modulator 12111 is converted to and obtains the first filtering radiofrequency signal in the first working frequency range;
The first power amplifier 12112, is also connected to the first descending band pass filter 12113, specifically for to amplifying and obtain the first radiofrequency signal from the first filtering radiofrequency signal of the first descending band pass filter 12113.
Preferably, process on the basis of submodule 1221 at the second downlink radio frequency as shown in Figure 5, as shown in Figure 7, the second downlink radio frequency is processed submodule 1221 and is also comprised: the second descending band pass filter 12213;
The second descending band pass filter 12213, carries out filtering for the second sub-radiofrequency signal that the second radio-frequency modulator 12211 is converted to and obtains the second filtering radiofrequency signal in the second working frequency range;
The second power amplifier 12212, is also connected to the second descending band pass filter 12213, specifically for to amplifying and obtain the second radiofrequency signal from the second filtering radiofrequency signal of the second descending band pass filter 12213.
Wherein, the first working frequency range can be 2.4G frequency range or 5.8G frequency range, and the second working frequency range can be 5.8G frequency range or 2.4G frequency range, if the first working frequency range is 2.4G frequency range, the second working frequency range is 5.8G frequency range; If the first working frequency range is 5.8G frequency range, the second working frequency range is 2.4G frequency range.The frequency range of 2.4G frequency range comprises 2.4GHz to 2.4835GHz; The frequency range of 5.8G frequency range comprises 5.18GHz to 5.85GHz.
Particularly, as shown in Figure 8, the first up radio frequency processing submodule 1212 specifically comprises: the first low noise amplifier 12121 and the first radio-frequency (RF) demodulator 12122;
The first low noise amplifier 12121, for obtaining the first amplification radiofrequency signal to carrying out low noise amplification from the first radiofrequency signal of up mixer 124;
The first radio-frequency (RF) demodulator 12122, for being converted to baseband signal by amplifying radiofrequency signal from first of the first low noise amplifier 12121.
Particularly, as shown in Figure 9, the second up radio frequency processing submodule 1222 specifically comprises: the second low noise amplifier 12221 and the second radio-frequency (RF) demodulator 12222;
The second low noise amplifier 12221, for obtaining the second amplification radiofrequency signal to carrying out low noise amplification from the second radiofrequency signal of up mixer 124;
The second radio-frequency (RF) demodulator 12222, for being converted to baseband signal by amplifying radiofrequency signal from second of the second low noise amplifier 12221.
Wherein, the first low noise amplifier 12121 only, in the time that self is in running order, just obtains the first amplification radiofrequency signal to carrying out low noise amplification from the first radiofrequency signal of up mixer 124; The second low noise amplifier 12221 only, in the time that self is in running order, just obtains the second amplification radiofrequency signal to carrying out low noise amplification from the first radiofrequency signal of up mixer 124.
Preferably, on the basis of the first up radio frequency processing submodule 1212 as shown in Figure 8, as shown in figure 10, the first up radio frequency processing submodule 1212 also comprises: the first up band pass filter 12123;
The first up band pass filter 12123, for amplifying first amplifying radiofrequency signal and carry out filtering and obtain the sub-radiofrequency signal of the first filtering in the first working frequency range of obtaining to the first low noise amplifier 12121;
The first radio-frequency (RF) demodulator 12122, is also connected to the first up band pass filter 12123, specifically for the sub-radiofrequency signal of the first filtering from the first up band pass filter 12123 is converted to baseband signal;
Preferably, on the basis of the second up radio frequency processing submodule 1222 as shown in Figure 9, as shown in figure 11, described the second up radio frequency processing submodule 1222 also comprises: the second up band pass filter 12223;
The second up band pass filter 12223, for amplifying second amplifying radiofrequency signal and carry out filtering and obtain the sub-radiofrequency signal of the second filtering in the second working frequency range of obtaining to the second low noise amplifier 12221;
The second radio-frequency (RF) demodulator 12222, is also connected to the second up band pass filter 12223, specifically for the sub-radiofrequency signal of the second filtering from the second up band pass filter 12223 is converted to baseband signal.
Preferably, the antenna in embodiment of the present invention scheme in each antenna element is directional antenna, between each antenna element, uses monolithic metal to isolate.Particularly, each antenna element can use monolithic metal to surround, and utilizes the reflection of monolithic metal to signal, and the signal reducing between each antenna element disturbs.As shown in figure 12, be the schematic diagram that uses monolithic metal to isolate between three antenna elements.Wherein, the radiation field shape that the elliptical shape in Figure 12 is each antenna element.
Described above is the structure of wireless access device, and when stating in the use device and carrying out radio communication, it is in running order that user can manually arrange the first radio frequency processing module or the second radio frequency processing module of at least one RF processing unit by control unit.
Alternatively, the working frequency range that control unit in the embodiment of the present invention can be automatically supported according to the quantity of all user terminals of current access and each user terminal, the first radio frequency processing module or the second radio frequency processing module of controlling at least one RF processing unit are in running order.
For example, suppose that control unit is connected respectively with RF processing unit 1～RF processing unit 3, the first radio frequency processing module in each RF processing unit is supported the first working frequency range (2.4GHz to 2.4835GHz), the second radio frequency processing module is supported the second working frequency range (5.18GHz to 5.85GHz), each RF processing unit is less than 30 o'clock better performances in the quantity of the user terminal of access, and working frequency range and quantity that control unit is supported the user terminal of current access are added up.Be less than 30 if the working frequency range that the user terminal of current access is supported is the quantity of the second working frequency range, the second radio frequency processing module of control unit control RF processing unit 1 is in running order; If the working frequency range that the user terminal of current access is supported be the quantity of the second working frequency range between 30 and 60, the second radio frequency processing module of control unit control RF processing unit 1 and RF processing unit 2 is all in running order; Be greater than 60 if the working frequency range that the user terminal of current access is supported is the quantity of the second working frequency range, the second radio frequency processing module of control unit control RF processing unit 1～RF processing unit 3 is all in running order.
Be less than 30 if the working frequency range that the user terminal of current access is supported is the quantity of the first working frequency range, the first radio frequency processing module of control unit control RF processing unit 3 is in running order; If the working frequency range that the user terminal of current access is supported be the quantity of the first working frequency range between 30 and 60, the first radio frequency processing module of control unit control RF processing unit 3 and RF processing unit 2 is all in running order; Be greater than 60 if the working frequency range that the user terminal of current access is supported is the quantity of the first working frequency range, the first radio frequency processing module of control unit control RF processing unit 1～RF processing unit 3 is all in running order.
It should be noted that, if the quantity that the working frequency range that the working frequency range that the user terminal of current access is supported is supported for the quantity of the first working frequency range and the user terminal of current access is the second working frequency range is 45, the second radio frequency processing module of control unit control RF processing unit 1～RF processing unit 2 is all in running order and to control the first radio frequency processing module of RF processing unit 3 in running order.
Based on identical inventive concept, the embodiment of the present invention also provides a kind of network equipment, and this network equipment comprises any wireless access device in Fig. 1～Figure 12 as described above, and preferably, this network equipment can be AP.
Based on foregoing description, the AP that the embodiment of the present invention provides can realize multiple application model, as 2.4G+5.8G, 2.4G+2.4G, 5.8G+5.8G ..., the working frequency range difference of supporting according to user terminal, can adopt different application models, meet multiple application places.An AP comprises multiple RF processing units simultaneously, and each RF processing unit can be operated in identical working frequency range, also can be operated in different working frequency range, thereby accessible more user has promoted access performance greatly.
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, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.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, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
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, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (11)
1. a wireless access device, is characterized in that, at least one RF processing unit that described device comprises control unit and is connected with described control unit, wherein:
Each RF processing unit comprises the first radio frequency processing module and the second radio frequency processing module;
Described the first radio frequency processing module, for changing the baseband signal receiving be treated to the first radiofrequency signal and baseband signal is changed and be treated to the first radiofrequency signal receiving in the time that self is in running order;
Described the second radio frequency processing module, for changing the baseband signal receiving be treated to the second radiofrequency signal and baseband signal is changed and be treated to the second radiofrequency signal receiving in the time that self is in running order;
Described control unit, in running order for controlling the first radio frequency processing module or the second radio frequency processing module of at least one RF processing unit.
2. device as claimed in claim 1, is characterized in that,
Described the first radio frequency processing module comprises the first downlink radio frequency processing submodule and the first up radio frequency processing submodule;
Described the first downlink radio frequency is processed submodule, for the first radiofrequency signal is changed and be treated to the baseband signal receiving in the time that self is in running order;
Described the first up radio frequency processing submodule, for changing and be treated to baseband signal by the first radiofrequency signal receiving in the time that self is in running order;
Described the second radio frequency processing module comprises the second downlink radio frequency processing submodule and the second up radio frequency processing submodule;
Described the second downlink radio frequency is processed submodule, for the second radiofrequency signal is changed and be treated to the baseband signal receiving in the time that self is in running order;
Described the second up radio frequency processing submodule, for changing and be treated to baseband signal by the second radiofrequency signal receiving in the time that self is in running order.
3. device as claimed in claim 2, is characterized in that, described device also comprises the antenna element connecting one to one with each RF processing unit; Each RF processing unit also comprises descending mixer, up mixer and transmit/receive switch, wherein:
Described descending mixer, for processing the first radiofrequency signal of submodule from described the first downlink radio frequency, or the second radiofrequency signal of processing submodule from described the second downlink radio frequency is sent to described transmit/receive switch;
Described up mixer, for being sent to described the first up radio frequency processing submodule from the first radiofrequency signal of described transmit/receive switch, or will be sent to described the second up radio frequency processing submodule from the second radiofrequency signal of described transmit/receive switch;
Described transmit/receive switch, for being sent to corresponding antenna element from the radiofrequency signal of described descending mixer, the radiofrequency signal of self-corresponding antenna element is sent to described up mixer in the future;
Described antenna element, for future, the radiofrequency signal of self-corresponding transmit/receive switch converts radio-wave radiation to space, converts the radio wave receiving to radiofrequency signal and is sent to corresponding transmit/receive switch.
4. device as claimed in claim 2, is characterized in that,
Described the first downlink radio frequency is processed submodule and is specifically comprised:
The first radio-frequency modulator, for being converted to the baseband signal receiving the first sub-radiofrequency signal;
The first power amplifier, amplifies and obtains the first radiofrequency signal for the first sub-radiofrequency signal that described the first radio-frequency modulator is converted to;
Described the second downlink radio frequency is processed submodule and is specifically comprised:
The second radio-frequency modulator, for being converted to the baseband signal receiving the second sub-radiofrequency signal;
The second power amplifier, amplifies and obtains the second radiofrequency signal for the second sub-radiofrequency signal that described the second radio-frequency modulator is converted to.
5. device as claimed in claim 4, is characterized in that,
Described the first downlink radio frequency is processed submodule and is also comprised: the first descending band pass filter;
Described the first descending band pass filter, carries out filtering for the first sub-radiofrequency signal that described the first radio-frequency modulator is converted to and obtains the first filtering radiofrequency signal in the first working frequency range;
Described the first power amplifier, specifically for to amplifying and obtain the first radiofrequency signal from the first filtering radiofrequency signal of described the first descending band pass filter;
Described the second downlink radio frequency is processed submodule and is also comprised: the second descending band pass filter;
Described the second descending band pass filter, carries out filtering for the second sub-radiofrequency signal that described the second radio-frequency modulator is converted to and obtains the second filtering radiofrequency signal in the second working frequency range;
Described the second power amplifier, specifically for to amplifying and obtain the second radiofrequency signal from the second filtering radiofrequency signal of described the second descending band pass filter.
6. device as claimed in claim 3, is characterized in that,
Described the first up radio frequency processing submodule specifically comprises: the first low noise amplifier and the first radio-frequency (RF) demodulator;
Described the first low noise amplifier, for obtaining the first amplification radiofrequency signal to carrying out low noise amplification from the first radiofrequency signal of described up mixer;
Described the first radio-frequency (RF) demodulator, specifically for being converted to baseband signal by amplifying radiofrequency signal from first of described the first low noise amplifier;
Described the second up radio frequency processing submodule specifically comprises: the second low noise amplifier and the second radio-frequency (RF) demodulator;
Described the second low noise amplifier, for obtaining the second amplification radiofrequency signal to carrying out low noise amplification from the second radiofrequency signal of described up mixer;
Described the second radio-frequency (RF) demodulator, specifically for being converted to baseband signal by amplifying radiofrequency signal from second of described the second low noise amplifier.
7. device as claimed in claim 6, is characterized in that,
Described the first up radio frequency processing submodule also comprises: the first up band pass filter;
Described the first up band pass filter, for amplifying first amplifying radiofrequency signal and carry out filtering and obtain the sub-radiofrequency signal of the first filtering in the first working frequency range of obtaining to described the first low noise amplifier;
Described the first radio-frequency (RF) demodulator, for being converted to baseband signal by the sub-radiofrequency signal of the first filtering from described the first up band pass filter;
Described the second up radio frequency processing submodule also comprises: the second up band pass filter;
Described the second up band pass filter, for amplifying second amplifying radiofrequency signal and carry out filtering and obtain the sub-radiofrequency signal of the second filtering in the second working frequency range of obtaining to described the second low noise amplifier;
Described the second radio-frequency (RF) demodulator, for being converted to baseband signal by the sub-radiofrequency signal of the second filtering from described the second up band pass filter.
8. device as claimed in claim 3, is characterized in that, the antenna in each antenna element is directional antenna.
9. device as claimed in claim 3, is characterized in that, between each antenna element, uses monolithic metal to isolate.
10. device as claimed in claim 1, is characterized in that, described control unit specifically for:
The working frequency range of supporting according to the quantity of all user terminals of current access and each user terminal, the first radio frequency processing module or the second radio frequency processing module of controlling at least one RF processing unit are in running order.
11. 1 kinds of network equipments, is characterized in that, comprise as the wireless access device as described in arbitrary in claim 1～10.
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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: Beijing Star-Net Ruijie Networks Co.,Ltd. |