CN103179588A - Data processing device and method of wireless access points - Google Patents
Data processing device and method of wireless access points Download PDFInfo
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- CN103179588A CN103179588A CN2011104290423A CN201110429042A CN103179588A CN 103179588 A CN103179588 A CN 103179588A CN 2011104290423 A CN2011104290423 A CN 2011104290423A CN 201110429042 A CN201110429042 A CN 201110429042A CN 103179588 A CN103179588 A CN 103179588A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
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Abstract
The invention discloses a data processing device and a method of wireless access points. The data processing device of the wireless access points comprises a plurality of directional antenna groups, a plurality of radio frequency modules, a processor module and an antenna logic control module, wherein the plurality of directional antenna groups are used for performing signal coverage on a target area; the plurality of radio frequency modules are used for receiving all unlink data from user equipment, parsing out satellite information of the uplink data from the uplink data and sending downlink data to the user equipment; every radio frequency module is corresponding to a directional antenna group; the processor module is used for selecting a radio frequency module which is matched with the user equipment for the user equipment according to the uplink data and the satellite information which are forwarded from the plurality of radio frequency modules, instructing the radio frequency module which is matched with the user equipment to send the downlink data to the user equipment and writing a logic control rule into the antenna logic control module at preset time intervals; and the antenna logic control module is used for performing interference suppression on every radio frequency module according to the logic control rule. The data processing device and the method of the wireless access points have the advantage of being capable of improving the effects of user experience and system performance of wireless local area networks.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of data processing equipment and method of WAP (wireless access point).
Background technology
Wireless local area network technology is a kind of wireless access technology of present extensive use, and this technology utilizes wireless signal to transmit user profile.Common WLAN (wireless local area network) comprises WAP (wireless access point) (Access Point is referred to as AP) and user terminal (User Equipment is referred to as UE), and UE is connected to AP and is connected to cable network by AP by wireless network.
Protocol of wireless local area network has been formulated the main indoor application scene of facing among a small circle, under this scene, need to consider the interference between each communication entity in WLAN (wireless local area network), for mobile subscriber terminal (for example, mobile phone, handheld device etc.), need to consider battery consumption; Different countries is also that different requirements is arranged to the maximum transmission power of WLAN devices.Therefore, the WLAN devices transmitting power is limited, take China as example, effective isotropic radiated power (the Effective Isotropic Radiated Power of typical AP, referred to as EIRP) below 20dbm, the EIRP at typical station (Station is referred to as STA) is below 15dbm.Because transmitting power is restricted, the coverage of WLAN devices is inevitable is also limited.
Protocol of wireless local area network has defined different modulation rates for each standard, such as the 11g product support speed such as 36Mbps, 48Mbps, 54Mbps, the 11n product support speed such as 6.5Mbps, 13Mbps, 130Mbps, modulation system and code check that different modulation rate is corresponding different.Under standard of the same race, debugging speed is higher, and its requirement to signal to noise ratio is higher, otherwise the signal to noise ratio condition is better, and the modulation rate of its support is higher.When signal transmitted, AP and UE can carry out according to the situation of channel the negotiation of modulation rate, promoted modulation rate by improving signal to noise ratio, thereby reached the purpose of elevator system performance.
WLAN (wireless local area network) is followed IEEE 802.11 serial protocols, according to the Carrier Sense Multiple Access of avoiding with conflict (Carrer Sense MultipleAccessWith Collision Avoidance, referred to as CSMA/CA) the mechanism operation, in this mechanism, communication entity is in the position of equity, communication entity shared channel in common overlay area, arbitrarily communication entity all needs to carry out carrier sense before sending data, just can send data wait for some cycles according to the agreement regulation after listening to channel idle after.At present, common access point and user terminal have all used omnidirectional antenna, the characteristic of omnidirectional antenna has determined that the energy of WLAN devices radio wave when sending data is not only send to the purpose terminal, but sends within 360 degree spaces around transmitting terminal.The utilance of energy not high (only seldom part energy received by the purpose terminal) like this, on the one hand; Due to the Carrier Sense Multiple Access mechanism of avoiding with conflict, when sending data, in its coverage, every other terminal all needs to be in the state of intercepting, and has reduced the performance of system when certain terminal on the other hand.
Along with increasing of WLAN devices, the probability of equipment shared channel increases, and the mode that traditional access point and user terminal all use omnidirectional antenna is brought harmful effect to user's business experience.
Summary of the invention
The invention provides a kind of data processing equipment and method of WAP (wireless access point), to address the above problem at least.
According to an aspect of the present invention, provide a kind of data processing equipment of WAP (wireless access point), having comprised: a plurality of directional antenna groups are used for that signal is carried out in the target area and cover; A plurality of radio-frequency modules, be used for parsing the satellite information of upstream data from upstream data, and sending downlink data to subscriber equipment by whole upstream datas of a plurality of directional antenna windings receipts from subscriber equipment, wherein, respectively corresponding directional antenna group of each radio-frequency module; Processor module, be used for receiving upstream data and the satellite information that a plurality of radio-frequency modules forward, be the selected radio-frequency module that is matched with subscriber equipment of subscriber equipment according to upstream data and satellite information, the radio-frequency module that indication is matched with subscriber equipment sends downlink data to subscriber equipment, and writes the logic control rule to the antenna Logic control module at interval of a scheduled time; The antenna Logic control module is used for the receive logic control law, according to the logic control rule, each radio-frequency module is disturbed inhibition.
Preferably, this device is completed when the signal of target area is covered by a plurality of directional antenna groups, the subregion in each directional antenna group coverage goal zone, and wherein, the horizontal main lobe angle of each directional antenna group is identical, or not identical.
Preferably, the parameter matching of the parameter of each directional antenna group and the radio-frequency module corresponding with it.
Preferably, the working frequency range of each radio-frequency module, medium access control MAC Address are all identical.
Preferably, a plurality of radio-frequency modules by physical interface and processor module directly or indirect joint, wherein, physical interface comprise following one of at least: Ethernet interface, PCIE interface, pci interface, and USB interface.
Preferably, each radio-frequency module includes: WLAN MAC/BB/RF chip, capacitance resistance ware, power amplifier PA, low noise amplifier LNA, filter, and electronic switch.
According to a further aspect in the invention, a kind of data processing method of WAP (wireless access point) is provided, comprise: each radio-frequency module is by the upstream data of the directional antenna winding receipts corresponding with it from subscriber equipment, parse the satellite information of upstream data from upstream data, upstream data and satellite information are transmitted to processor module; Processor module is the selected radio-frequency module that is matched with subscriber equipment of subscriber equipment according to upstream data and satellite information; The radio-frequency module that is matched with subscriber equipment sends downlink data to subscriber equipment.
Preferably, processor module is that the selected radio-frequency module that is matched with subscriber equipment of subscriber equipment comprises according to upstream data and satellite information: processor module screens upstream data according to MAC Address, with the data de-duplication in upstream data; Processor module parses the signal quality information of upstream data from upstream data and satellite information; Processor module determines to be matched with the radio-frequency module of subscriber equipment according to signal quality information.
Preferably, after determining according to signal quality information at processor module to be matched with the radio-frequency module of subscriber equipment, also comprise: the upstream data of processor module after with deleting duplicated data sends to upper-layer protocol to process; Processor module is accepted the data that upper-layer protocol issues; Processor module is transmitted to the data that upper-layer protocol issues the radio-frequency module that is matched with subscriber equipment as downlink data.
Preferably, signal quality information comprises one of following: signal strength signal intensity RSSI, signal to noise ratio snr.
by the present invention, adopt data processing equipment and the method for WAP (wireless access point), solved increasing along with WLAN devices, the probability of equipment shared channel increases, the mode that traditional access point and user terminal all use omnidirectional antenna is brought dysgenic problem to user's business experience, can take the coverage that has strengthened single AP in the situation that do not increase frequency range, thereby the link gain that has promoted the uplink and downlink of AP promotes up-downgoing speed, the AP capacity, and the antijamming capability of AP, reduced simultaneously the interference between AP, and then reached and improved that the user experiences and the effect of the systematic function of WLAN.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart according to the data processing equipment of the WAP (wireless access point) of the embodiment of the present invention;
Fig. 2 is the hardware logic schematic diagram of the data processing equipment of WAP (wireless access point) according to the preferred embodiment of the invention;
Fig. 3 is the application scenarios schematic diagram according to the embodiment of the present invention;
Fig. 4 is the flow chart according to the data processing method of the WAP (wireless access point) of the embodiment of the present invention;
Fig. 5 is the schematic flow sheet of in application scenarios shown in Figure 2, the Frame that receives being processed;
Fig. 6 is the schematic flow sheet that the unicast frame that in application scenarios shown in Figure 2, needs sent is processed.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.
Fig. 1 is the structured flowchart according to the data processing equipment of the WAP (wireless access point) of the embodiment of the present invention, and this device comprises: a plurality of directional antenna groups 10, a plurality of radio-frequency module 20, processor module 30, and antenna Logic control module 40.Wherein, a plurality of directional antenna groups 10 are used for that signal is carried out in the target area and cover; A plurality of radio-frequency modules 20, be used for parsing the satellite information of upstream data from upstream data, and sending downlink data to subscriber equipment by whole upstream datas of a plurality of directional antenna windings receipts from subscriber equipment, wherein, respectively corresponding directional antenna group 10 of each radio-frequency module 20; Processor module 30, be used for receiving upstream data and the satellite information that a plurality of radio-frequency modules 20 forward, be the selected radio-frequency module 20 that is matched with subscriber equipment of subscriber equipment according to upstream data and satellite information, the radio-frequency module 20 that indication is matched with subscriber equipment sends downlink data to subscriber equipment, and writes the logic control rule to antenna Logic control module 40 at interval of a scheduled time; Antenna Logic control module 40 is used for the receive logic control law, according to the logic control rule, each radio-frequency module 20 is disturbed inhibition.
Wherein, in embodiments of the present invention, this device is completed when the signal of target area is covered by a plurality of directional antenna groups 10, each directional antenna group 10 covers the subregion of described target area, wherein, the horizontal main lobe angle of each directional antenna group 10 is identical, or not identical; The parameter matching of the parameter of each directional antenna group 10 and the radio-frequency module 20 corresponding with it; The working frequency range of each radio-frequency module 20, medium access control (Media Access Control is referred to as MAC) address are all identical.
In actual applications, a plurality of radio-frequency modules 20 of this device can be by physical interface and processor module 30 directly or indirect joint, wherein, physical interface comprise following one of at least: Ethernet interface, PCIE interface, pci interface, and USB interface; Each radio-frequency module 20 includes: WLAN MAC/BB/RF chip, capacitance resistance ware, power amplifier (Power Amplifier, referred to as PA), low noise amplifier (Low Noise Amplifier, referred to as LNA), filter, and electronic switch.
Fig. 2 is the hardware logic schematic diagram of the data processing equipment of WAP (wireless access point) according to the preferred embodiment of the invention, and as shown in Figure 2, this device has adopted the hardware configuration that is different from common AP that comprises multi-radio.
The AP hardware configuration of this device is comprised of processor module, radio-frequency module group, a plurality of directional antenna group, antenna logic control element and other accessories.Wherein, processor module is made of CPU (CPU), internal memory (RAM), flash memory (FLASH), and in actual applications, processor module mainly is responsible for completing the functions such as protocol processes, message processing, configuration management.This device has used 3 groups of radio-frequency modules, and each group radio-frequency module consists of by WLAN MAC/BB/RF chip, PA, LNA, filter and electronic switch.Certainly, in actual applications, can also use the WLAN MAC/BB/RF chip of PA, LNA built-in, if adopt built-in chip, peripheral device can also corresponding minimizing.Radio-frequency module group and processor module are transferred by transducer (PCIe Switch), and transmit data by PCIe interface and processor module.In this device, the directional antenna group is corresponding one by one with radio-frequency module, namely one group of radio-frequency module uses one group of directional antenna, in each directional antenna group, the parameter of the number of antenna and parameter and radio-frequency module is mated, particularly, it is the directional antenna of 120 degree that each radio-frequency module group all adopts one group of horizontal main lobe, single radio-frequency module group is completed the covering of 120 degree horizontal sector, scope formed a team different by different directional antennas, and the zone covers, and the omnidirectional that can complete horizontal 360-degree in conjunction with whole AP by three groups of radio-frequency modules and directional antenna group covers.the antenna logic control element is by CPLD (Complex Programmable Logic Device, referred to as CPLD) realize, control logic (being the control logic rule) is write by the SPI interface by CPU, the antenna logic control element reads from WLAN MAC/BB/RF chip sending/receiving (TX/RX) state information and the frame type information of storing chip, (be the control logic rule according to the control logic of regularly upgrading, in actual applications, processor module can write new logic control rule to the antenna Logic control module at interval of a scheduled time, different demands for control when receiving different data to adapt to) electronic switch in radio-frequency module and PA are controlled.Accessory mainly comprises peripheral network interface (the GE interface that for example, is used for first line of a couplet network) and device power supply (DPS) etc.
The below is specifically described all parts and the operation principle thereof of this device.
In a preferred implementation of the embodiment of the present invention, every group of radio-frequency module be external one group of directional antenna that covers for generation of the signal in certain limit all, different directional antennas carries out signal to different scopes zones and covers, can obtain to promote with respect to the antenna gain of omnidirectional antenna in the overlay area by the use directional antenna, thereby obtain higher link gain and better signal to noise ratio and transmission rate; Directional reception characteristic by directional antenna, interference source signal to non-overlay area suppresses, the impact that is disturbed the source when making the UE data of its AP in receiving the overlay area reduces, thereby promote signal to noise ratio and the transmission rate of AP receive direction, can also make AP reduce interference to the antenna coverage areas external equipment.
In this device, operating frequency and the MAC Address of organizing radio-frequency module are done identical setting more, a plurality of radio-frequency modules are worked under mode of operation of the same race.Because many group radio-frequency modules are set to same frequency and MAC Address, for UE, a plurality of radio-frequency modules are an AP rather than a plurality of AP.In this case, the radio-frequency module of UE association be determined by AP rather than determined by UE, as UE during in the roaming of AP overlay area, AP can select most suitable radio-frequency module send data to UE not affecting under the prerequisite that UE receives according to the reception condition of each radio-frequency module.
Wherein, processor module can be used for receiving WLAN management frames and the Frame that each radio-frequency module receives, for each UE, processor module receives cura generalis frame and the Frame that all radio-frequency modules receive this UE, the angle of coverage scope of the directional antenna that connects due to each radio-frequency module is different, and processor module all receives management frames and the Frame that all radio-frequency modules receive, so, AP receives the Frame of this UE transmission and the probability of management frames can increase, and causes the robustness of AP up link to obtain to strengthen.Processor module screens according to MAC Address management frames and the Frame that receives, and gets rid of again it to be passed to upper-layer protocol after the frame of repetition and be further processed.Simultaneously, processor module also receives WLAN management frames that each radio-frequency module receives and the additional signal quality information of Frame, to obtain the real time information for the optimum Match radio-frequency module of each UE that is served.Particularly be directed to all UE that are associated with this AP, the Frame of each UE that processor module relatively receives in each radio-frequency module in real time or the signal quality of management frames, thereby determine the radio-frequency module for received signal quality the best corresponding to each UE, this radio-frequency module can be called " radio-frequency module of coupling ".
In this device, the radio-frequency module of above-mentioned coupling can be used for unicast packet is sent.For descending unicast packet, processor module can specify the radio-frequency module by coupling to send, be directed to the unicast packet that each need to send, processor module is looked for radio-frequency module with this matching addresses according to the target MAC (Media Access Control) address of unicast packet, and is sent by this radio-frequency module.By this method, be directed to the UE of AP service, used most suitable directional antenna to carry out transfer of data, the antenna gain that can obtain relative omnidirectional antenna promotes, thereby brings link gain, signal to noise ratio, and the lifting of downlink transmission data rate.
In this device, all radio-frequency modules all can be realized the transmission to broadcast packet, and can repeat to send to broadcast packet.For descending broadcast packet (for example, beacon frame), by processor module, it is copied to all radio-frequency modules, repeated broadcast packet is sent by radio-frequency module.Broadcast packet is aimed at that the whole overlay area of AP sends, when processor module detects downlink message and is broadcasting packet, broadcasting packet is copied many parts transfer to all radio-frequency modules and carry out timesharing and send, CSMA/CA mechanism is followed in the signal transmission between each radio-frequency module.
Radio-frequency module can also autonomous processing controls frame signal.When radio-frequency module receives the control frame that UE sends, will automatically carry out the transmission of control frame, for example, radio-frequency module can automatically reply response (ACK) frame after receiving the unicast frame signal that UE sends.
Wherein, antenna control logic module can be used for suppressing issuable interference between each radio-frequency module.antenna control logic module receives the sending/receiving state information of each radio-frequency module, and according to the control logic that processor module writes, electronic switch or the PA parts of each radio-frequency module are controlled, for example, when certain UE sends unicast packet to AP, the radio-frequency module of a plurality of AP of possibility has all received this message and has all prepared to reply ack signal, antenna control logic module is when certain radio-frequency module being detected and replying control signal, can the ack signal of other radio-frequency modules can't be transmitted by eating dishes without rice or wine by electronic switch or PA, the phenomenon that causes UE possibly can't normally receive ack signal to avoid a plurality of radio-frequency modules all to reply ack signal occurs.
Fig. 3 is the application scenarios schematic diagram according to the embodiment of the present invention, and as shown in Figure 3, the sector that has been combined to form three coverings by three groups of radio-frequency modules and the directional antenna group of AP consists of covers by the common omnidirectional's levels that form 360 degree in three sectors; Wherein, covering is completed by one group of radio-frequency module and directional antenna group in each sector, is respectively 1# zone, 2# zone and 3# zone.Due to directional antenna with respect to omnidirectional antenna in the situation that same standing-wave ratio, vertical lobe can obtain higher horizontal lobe highest-gain, therefore, this device promotes with respect to the gain that the device that uses omnidirectional antenna can obtain the highest log3 ≈ 4.78db, this gain is applicable to up direction and down direction, and can obtain respectively to surpass 30% largest coverage distance lifting and surpass 80% maximum coverage area lifting.
In application scenarios shown in Figure 2, three radio-frequency modules are configured to operate under the mode of operation of same frequency and same MAC Address, during UE communication in AP and its overlay area, can select optimum radio-frequency module send data according to the control of program; In this scene, each radio-frequency module is on all four to the parameter that UE shows, so which radio-frequency module what UE1, UE2, UE3 and not knowing specifically communicated with is.
The data processing equipment of the WAP (wireless access point) that employing above-described embodiment provides, can take the coverage that has strengthened single AP in the situation that do not increase frequency range, thereby the link gain that has promoted the uplink and downlink of AP promotes up-downgoing speed, AP capacity, and the antijamming capability of AP, reduce simultaneously the interference between AP, and then improved the systematic function of user's experience and WLAN.
Fig. 4 is the flow chart according to the data processing method of the WAP (wireless access point) of the embodiment of the present invention, and as shown in Figure 4, the method mainly comprises the following steps (step S402-step S406):
Step S402, each radio-frequency module parse the satellite information of upstream data by the upstream data of the directional antenna winding receipts corresponding with it from subscriber equipment from upstream data, upstream data and satellite information are transmitted to processor module;
Step S404, processor module is the selected radio-frequency module that is matched with subscriber equipment of subscriber equipment according to upstream data and satellite information;
Step S406, the radio-frequency module that is matched with subscriber equipment sends downlink data to subscriber equipment.
In step S404, processor module is that the selected radio-frequency module that is matched with subscriber equipment of subscriber equipment comprises according to upstream data and satellite information: processor module screens upstream data according to MAC Address, with the data de-duplication in upstream data; Processor module parses the signal quality information of upstream data from upstream data and satellite information; Processor module determines to be matched with the radio-frequency module of subscriber equipment according to signal quality information.
Preferably, after step S404, can also comprise: the upstream data of processor module after with deleting duplicated data sends to upper-layer protocol to process; Processor module is accepted the data that upper-layer protocol issues; Processor module is transmitted to the data that upper-layer protocol issues the radio-frequency module that is matched with subscriber equipment as downlink data.
Wherein, signal quality information comprises one of following: signal strength signal intensity RSSI, signal to noise ratio snr.
Fig. 5 is the schematic flow sheet of in application scenarios shown in Figure 2, the Frame that receives being processed, and as shown in Figure 5, radio-frequency module 1 has received three Frames that UE1 sends, and the Frame numbering is respectively packet 1, packet2, packet3; Radio-frequency module 2 has been received respectively totally 6 Frames that UE1 and UE2 send, and is respectively packet 4, packet5, the packet6 of packet1, packet2, packet3 and the UE2 transmission of UE1 transmission; Radio-frequency module 3 has received four Frames that UE3 sends, and the Frame numbering is respectively packet 7, packet8, packet9, packet10.The frame that processor module received RF module receives, due to the repeating frame that exists in radio-frequency module 1 and radio-frequency module 2 for UE1, processor module is got rid of according to MAC Address and frame number and is delivered to upper-layer protocol after repeating frame again and be further processed.
In this flow process, the matching relationship that processor module is determined UE and radio-frequency module according to source radio-frequency module and the frame signal quality information of its frame that receives.For example, the frame of UE3 is all reported by radio-frequency module 3, and the radio-frequency module that mates UE3 is radio-frequency module 3; The frame of UE2 is all reported by radio-frequency module 2, and the radio-frequency module that mates UE2 is radio-frequency module 2; Radio-frequency module 1 and radio-frequency module 2 have all reported the frame of UE1, need to judge according to frame signal quality information (can judge according to signal strength signal intensity (RSSI) or signal to noise ratio (SNR)) radio-frequency module of coupling again.In this example, radio-frequency module 1 receives UE1 frame signal quality and is better than radio-frequency module 2 and receives UE1 frame signal quality, judge that the radio-frequency module of coupling UE1 is radio-frequency module 1, and processor module is with this information of real-time update and store standby.
Fig. 6 is the schematic flow sheet that the unicast frame that in application scenarios shown in Figure 2, needs sent is processed, as shown in Figure 6, processor module has received 10 Frames that upper-layer protocol sends to UE, the Frame numbering is respectively packet1～packet10, all comprises the target MAC (Media Access Control) address of the UE that will send in each Frame.Processor module is numbered (UE1 coupling radio-frequency module 1 described above according to the target MAC (Media Access Control) address inquiry of each Frame for the coupling radio-frequency module of this MAC Address, UE2 mates radio-frequency module 2, UE3 mates radio-frequency module 3), and Frame is sent into the transmit queue of corresponding radio-frequency module according to corresponding numbering.Wherein, packet1～packet3 is admitted to the transmit queue of radio-frequency module 1, and packet4～packet6 is admitted to the transmit queue of radio-frequency module 2, and packet7～packet10 is admitted to the transmit queue of radio-frequency module 3.The CSMA/CA mechanism timesharing that each radio-frequency module is followed 802.11 definition sends Frame.Reach by this method the purpose of directive sending, promoted the performance of descending link.
Preferably, for broadcast frame signal (for example, beacon frame beacon signal), processor module is copied to each radio-frequency module with it, and radio-frequency module carries out timesharing to the broadcast frame signal again and sends.
Preferably, for the control frame signal, can independently be processed by radio-frequency module.For example, radio-frequency module can automatically reply the ACK frame after receiving the unicast frame signal that UE sends.In this case, the radio-frequency module that easily causes having a plurality of AP as a certain UE when AP sends unicast packet has received this message and has all prepared to reply ack signal.When the line traffic control logic module detected certain radio-frequency module and replied control signal the same day, can make the ack signal of other radio-frequency module by the transmission of eating dishes without rice or wine, easily cause UE possibly can't normally receive the phenomenon generation of ack signal to avoid a plurality of radio-frequency modules all to reply ack signal by controlling (opening or closing) electronic switch or PA.
The data processing method of the WAP (wireless access point) that employing above-described embodiment provides, can take the coverage that has strengthened single AP in the situation that do not increase frequency range, thereby the link gain that has promoted the uplink and downlink of AP promotes up-downgoing speed, AP capacity, and the antijamming capability of AP, reduce simultaneously the interference between AP, and then improved the systematic function of user's experience and WLAN.
From above description, can find out, the present invention has realized following technique effect: data processing equipment and the method for the WAP (wireless access point) that provides by above-described embodiment, AP with a plurality of directional antennas all can obtain to promote over the gain of 4.7db at up-downlink direction with respect to the AP that uses common omnidirectional antenna, and can obtain respectively to surpass 30% largest coverage distance lifting and surpass 80% maximum coverage area lifting; Reduce by 60% in down direction interference to external world, and promote up antijamming capability and the concealed nodes disposal ability of AP.And the value that for the AP that uses common omnidirectional antenna, software and hardware change amount is less, properties of product promote obviously, have scale to apply.
obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step being made into the single integrated circuit module realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the data processing equipment of a WAP (wireless access point), is characterized in that, comprising:
A plurality of directional antenna groups are used for that signal is carried out in the target area and cover;
A plurality of radio-frequency modules, be used for by the whole upstream datas of described a plurality of directional antenna windings receipts from subscriber equipment, parse the satellite information of described upstream data from described upstream data, with send downlink data to described subscriber equipment, wherein, respectively corresponding directional antenna group of each described radio-frequency module;
Processor module, be used for receiving described upstream data and the described satellite information that described a plurality of radio-frequency module forwards, be the selected radio-frequency module that is matched with described subscriber equipment of described subscriber equipment according to described upstream data and described satellite information, indicate the described radio-frequency module that is matched with described subscriber equipment to send described downlink data to described subscriber equipment, and write the logic control rule to the antenna Logic control module at interval of a scheduled time;
Described antenna Logic control module is used for receiving described logic control rule, according to described logic control rule, each described radio-frequency module is disturbed inhibition.
2. device according to claim 1, is characterized in that, comprising:
Described device is completed when the signal of target area is covered by described a plurality of directional antenna groups, and each described directional antenna group covers the subregion of described target area, wherein,
The horizontal main lobe angle of each described directional antenna group is identical, or not identical.
3. device according to claim 2, is characterized in that, the parameter matching of the parameter of each described directional antenna group and the radio-frequency module corresponding with it.
4. device according to claim 3, is characterized in that, the working frequency range of each described radio-frequency module, medium access control MAC Address are all identical.
5. the described device of any one according to claim 1 to 4, is characterized in that, comprising:
Described a plurality of radio-frequency module is by physical interface and described processor module is direct or indirect joint, wherein,
Described physical interface comprise following one of at least: Ethernet interface, PCIE interface, pci interface, and USB interface.
6. the described device of any one according to claim 1 to 4, is characterized in that,
Each described radio-frequency module includes: WLAN MAC/BB/RF chip, capacitance resistance ware, power amplifier PA, low noise amplifier LNA, filter, and electronic switch.
7. the data processing method of a WAP (wireless access point), is characterized in that, comprising:
Each radio-frequency module parses the satellite information of described upstream data by the upstream data of the directional antenna winding receipts corresponding with it from subscriber equipment from described upstream data, described upstream data and described satellite information are transmitted to processor module;
Described processor module is the selected radio-frequency module that is matched with described subscriber equipment of described subscriber equipment according to described upstream data and described satellite information;
The described radio-frequency module that is matched with described subscriber equipment sends described downlink data to described subscriber equipment.
8. method according to claim 7, is characterized in that, described processor module is that the selected radio-frequency module that is matched with described subscriber equipment of described subscriber equipment comprises according to described upstream data and described satellite information:
Described processor module screens described upstream data according to MAC Address, with the data de-duplication in described upstream data;
Described processor module parses the signal quality information of described upstream data from described upstream data and described satellite information;
Described processor module determines to be matched with the radio-frequency module of described subscriber equipment according to described signal quality information.
9. method according to claim 8, is characterized in that, after described processor module is determined to be matched with the radio-frequency module of described subscriber equipment according to described signal quality information, also comprises:
The upstream data that described processor module will be deleted after described repeating data sends to upper-layer protocol to process;
Described processor module is accepted the data that described upper-layer protocol issues;
Described processor module is transmitted to the described radio-frequency module that is matched with described subscriber equipment with the data that described upper-layer protocol issues as described downlink data.
10. according to claim 8 or 9 described methods, is characterized in that, comprising:
It is one of following that described signal quality information comprises: signal strength signal intensity RSSI, signal to noise ratio snr.
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| CN201110429042.3A CN103179588B (en) | 2011-12-20 | 2011-12-20 | The data processing equipment and method of wireless access point |
| PCT/CN2012/075821 WO2013091347A1 (en) | 2011-12-20 | 2012-05-21 | Data processing device and method for wireless access point |
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| CN201110429042.3A CN103179588B (en) | 2011-12-20 | 2011-12-20 | The data processing equipment and method of wireless access point |
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| CN103647527A (en) * | 2013-12-09 | 2014-03-19 | 中国电子科技集团公司第二十九研究所 | Method of enhancing electromagnetic-pulse equivalent radiation power |
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| CN104883526A (en) * | 2015-06-19 | 2015-09-02 | 深圳市影歌科技有限公司 | System and method for 360 DEG high-definition image transmission |
| CN112769452A (en) * | 2019-11-06 | 2021-05-07 | 杭州海康威视数字技术股份有限公司 | Access point device, wireless network system, and access point wireless communication method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108199750A (en) * | 2017-12-01 | 2018-06-22 | 深圳市太赫兹科技创新研究院有限公司 | Wireless communications method and equipment, storage medium |
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| Publication number | Publication date |
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| WO2013091347A1 (en) | 2013-06-27 |
| CN103179588B (en) | 2018-08-03 |
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