CN103179588B - The data processing equipment and method of wireless access point - Google Patents
The data processing equipment and method of wireless access point Download PDFInfo
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- CN103179588B CN103179588B CN201110429042.3A CN201110429042A CN103179588B CN 103179588 B CN103179588 B CN 103179588B CN 201110429042 A CN201110429042 A CN 201110429042A CN 103179588 B CN103179588 B CN 103179588B
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
Abstract
The invention discloses a kind of data processing equipment of wireless access point and methods.Wherein, which includes：Multiple directional aerial groups, for carrying out signal covering to target area；Multiple radio-frequency modules parse the satellite information of upstream data, and send downlink data to user equipment, wherein each radio-frequency module corresponds to a directional aerial group respectively for receiving whole upstream datas from user equipment from upstream data；Processor module, upstream data and satellite information for being forwarded according to multiple radio-frequency modules are the selected radio-frequency module for being matched with user equipment of user equipment, indicate that the radio-frequency module for being matched with user equipment sends downlink data to user equipment, and regular to the write-in logic control of antenna logic control module at interval of a predetermined time；Antenna logic control module, for carrying out AF panel to each radio-frequency module according to logic control rule.By the invention it is possible to improve the effect of the system performance of user experience and Wireless LAN.
Description
Technical field
The present invention relates to the communications fields, in particular to the data processing equipment and method of a kind of wireless access point.
Background technology
Wireless local area network technology is a kind of wireless access technology being widely used at present, which is passed using wireless signal
Pass user information.Common WLAN includes wireless access point (Access Point, referred to as AP) and user terminal
(User Equipment, referred to as UE), UE are connected to cable network by wireless network connection to AP and by AP.
Protocol of wireless local area network has been formulated mainly to be needed to consider in face of small-scale indoor application scene under this scene
Interference in WLAN between each communication entity, for mobile subscriber terminal (for example, mobile phone, handheld device etc.),
It needs to consider battery consumption；Different countries are also to have different requirements to the maximum transmission power of WLAN devices.
Therefore, WLAN devices transmission power is limited, by taking China as an example, the effective omnidirectional radiation power of typical AP
(Effective Isotropic Radiated Power, referred to as EIRP) in 20dbm hereinafter, typical station (Station,
Referred to as STA) EIRP in 15dbm or less.Since transmission power is restricted, the coverage area of WLAN devices is inevitable
It is also limited.
Protocol of wireless local area network defines different modulation rates, such as 11g product supports for each standard
The rates such as 36Mbps, 48Mbps, 54Mbps, the rates such as 11n product supports 6.5Mbps, 13Mbps, 130Mbps, different tune
Rate processed corresponds to different modulation systems and code check.Under standard of the same race, debugging rate is higher, then its requirement to signal-to-noise ratio is got over
Height, conversely, signal-to-noise ratio condition is better, then the modulation rate of its support is higher.In signal transmission, AP and UE can be according to channels
Situation is modulated the negotiation of rate, modulation rate is promoted by improving signal-to-noise ratio, to achieve the purpose that lifting system performance.
WLAN follows 802.11 serial protocols of IEEE, according to the Carrier Sense Multiple Access with conflict avoidance
(Carrer Sense MultipleAccessWith Collision Avoidance, referred to as CSMA/CA) mechanism is run,
In this mechanism, communication entity is in the position of equity, collectively covers the communication entity in region and shares channel, arbitrary to communicate
Entity is required to carry out carrier sense before transmission data, and some cycles are waited for according to agreement regulation after listening to channel idle
It afterwards just can be with transmission data.Currently, common access point and user terminal have used omnidirectional antenna, the characteristic of omnidirectional antenna to determine
Having determined WLAN devices, the energy of radio wave is not to be only sent to purpose terminal, but emitting when sending data
It is sent within 360 degree of spaces around end.In this way, not high (the only seldom part energy quilt of the utilization rate of one side energy
Purpose terminal receives)；On the other hand due to the Carrier Sense Multiple Access mechanism with conflict avoidance, when some terminal is being sent
When data, every other terminal is required to, in state is intercepted, reduce the performance of system in coverage area.
With increasing for WLAN devices, the probability of collaborative share channel increases, and traditional access point and user are whole
Harmful effect is brought to the business experience of user using the mode of omnidirectional antenna in end.
Invention content
The present invention provides a kind of data processing equipment and method of wireless access point, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of data processing equipment of wireless access point, including：Multiple orientations
Antenna sets, for carrying out signal covering to target area；Multiple radio-frequency modules, for being come from by the reception of multiple directional aerial groups
Whole upstream datas of user equipment parse the satellite information of upstream data from upstream data, and are sent to user equipment
Downlink data, wherein each radio-frequency module corresponds to a directional aerial group respectively；Processor module, for receiving multiple radio frequencies
The upstream data and satellite information of module forwards, which according to upstream data and satellite information are that user equipment is selected, to be matched with user and sets
Standby radio-frequency module, the radio-frequency module that instruction is matched with user equipment send downlink data to user equipment, and at interval of one
A predetermined time is regular to the write-in logic control of antenna logic control module；Antenna logic control module, for receiving logic control
System rule carries out AF panel according to logic control rule to each radio-frequency module.
Preferably, when which completes to cover the signal of target area by multiple directional aerial groups, day is each oriented
The subregion in line group coverage goal region, wherein the horizontal main lobe angle of each directional aerial group is identical, or not
It is identical.
Preferably, the parameter of each directional aerial group is matched with the parameter of corresponding radio-frequency module.
Preferably, the working frequency range of each radio-frequency module, medium access control MAC Address all same.
Preferably, multiple radio-frequency modules are directly or indirectly connect by physical interface with processor module, wherein physics
Interface includes at least one of：Ethernet interface, PCIE interfaces, pci interface and USB interface.
Preferably, each radio-frequency module includes：It is WLAN MAC/BB/RF chips, capacitance resistance ware, power amplifier PA, low
Noise amplifier LNA, filter and electronic switch.
According to another aspect of the present invention, a kind of data processing method of wireless access point is provided, including：Each radio frequency
Module receives the upstream data from user equipment by corresponding directional aerial group, and uplink is parsed from upstream data
Upstream data and satellite information are transmitted to processor module by the satellite information of data；Processor module according to upstream data and
Satellite information is the selected radio-frequency module for being matched with user equipment of user equipment；The radio-frequency module of user equipment is matched with to user
Equipment sends downlink data.
Preferably, processor module is matched with user equipment according to upstream data and satellite information for user equipment is selected
Radio-frequency module includes：Processor module screens upstream data according to MAC Address, and the duplicate data in upstream data is deleted
It removes；Processor module parses the signal quality information of upstream data from upstream data and satellite information；Processor die root tuber
The radio-frequency module for being matched with user equipment is determined according to signal quality information.
Preferably, after processor module is matched with the radio-frequency module of user equipment according to signal quality information determination,
Further include：Upstream data after deleting duplicated data is sent to upper-layer protocol and handled by processor module；Processor module
Receive the data that upper-layer protocol issues；The data that upper-layer protocol issues are transmitted to as downlink data and are matched with by processor module
The radio-frequency module of user equipment.
Preferably, signal quality information includes following one：Signal strength RSSI, Signal to Noise Ratio (SNR).
Through the invention, it using the data processing equipment of wireless access point and method, solves as WLAN is set
Standby increases, and the probability of collaborative share channel increases, and traditional access point and user terminal are using the mode pair of omnidirectional antenna
The problem of business experience of user brings harmful effect can enhance the covering of single AP in the case where not increasing bandwidth and occupying
Range improves the link gain of the uplink and downlink of AP to promote uplink and downlink rate, AP capacity and the anti-interference energy of AP
Power, while the interference between AP is reduced, and then achieved the effect that the system performance for improving user experience and Wireless LAN.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structure diagram of the data processing equipment of wireless access point according to the ... of the embodiment of the present invention；
Fig. 2 is the hardware logic schematic diagram of the data processing equipment of wireless access point according to the preferred embodiment of the invention；
Fig. 3 is application scenarios schematic diagram according to the ... of the embodiment of the present invention；
Fig. 4 is the flow chart of the data processing method of wireless access point according to the ... of the embodiment of the present invention；
Fig. 5 is the flow diagram handled the data frame received in application scenarios shown in Fig. 2；
Fig. 6 is the flow diagram that the unicast frame sent to needs in application scenarios shown in Fig. 2 is handled.
Specific implementation mode
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
Fig. 1 is the structure diagram of the data processing equipment of wireless access point according to the ... of the embodiment of the present invention, which includes：
Multiple directional aerial groups 10, multiple radio-frequency modules 20, processor module 30 and antenna logic control module 40.Wherein, multiple
Directional aerial group 10, for carrying out signal covering to target area；Multiple radio-frequency modules 20, for passing through multiple directional aerial groups
Whole upstream datas from user equipment are received, parse the satellite information of upstream data from upstream data, and to user
Equipment sends downlink data, wherein each radio-frequency module 20 corresponds to a directional aerial group 10 respectively；Processor module 30 is used
It is user equipment according to upstream data and satellite information in receiving the upstream data and satellite information that multiple radio-frequency modules 20 forward
The selected radio-frequency module 20 for being matched with user equipment, under indicating that the radio-frequency module 20 for being matched with user equipment is sent to user equipment
Row data, and logic control rule is written to antenna logic control module 40 at interval of a predetermined time；Antenna logic control
Molding block 40 carries out AF panel according to logic control rule for receiving logic control rule to each radio-frequency module 20.
Wherein, in embodiments of the present invention, which completes the signal to target area by multiple directional aerial groups 10
When covering, each directional aerial group 10 covers the subregion of the target area, wherein the level of each directional aerial group 10
Main lobe angle is identical or different；The parameter of each directional aerial group 10 and corresponding radio-frequency module 20
Parameter matching；The working frequency range of each radio-frequency module 20, medium access control (Media Access Control, referred to as
MAC) site homogeneous is same.
In practical applications, multiple radio-frequency modules 20 of the device can be direct by physical interface and processor module 30
Or it is indirectly connected with, wherein physical interface includes at least one of：Ethernet interface, PCIE interfaces, pci interface, and
USB interface；Each radio-frequency module 20 includes：WLAN MAC/BB/RF chips, capacitance resistance ware, power amplifier (Power
Amplifier, referred to as PA), low-noise amplifier (Low Noise Amplifier, referred to as LNA), filter, Yi Ji electricity
Sub switch.
Fig. 2 is the hardware logic schematic diagram of the data processing equipment of wireless access point according to the preferred embodiment of the invention,
As shown in Fig. 2, the device uses the hardware configuration different from common AP comprising multi-radio.
The AP hardware configurations of the device are controlled by processor module, radio-frequency module group, multiple directional aerial groups, antenna logic
Unit and other accessories composition.Wherein, processor module is by central processing unit (CPU), memory (RAM), flash memory
(FLASH) it constitutes, in practical applications, processor module, which is mainly responsible for, completes the work(such as protocol processes, Message processing, configuration management
Energy.The device has used 3 groups of radio-frequency modules, and each group of radio-frequency module is by WLAN MAC/BB/RF chips, PA, LNA, filter
And electronic switch is constituted.Certainly, in practical applications, it can also use the WLAN MAC/BB/RF chips of PA, LNA built-in,
If using built-in chip, peripheral device can also be reduced accordingly.Radio-frequency module group passes through converter with processor module
(PCIe Switch) transfers, and transmits data by PCIe interface and processor module.In the apparatus, directional aerial
Group is corresponded with radio-frequency module, i.e. one group of radio-frequency module uses one group of directional aerial, antenna in each directional aerial group
Number and parameter and the parameter of radio-frequency module are matched, and specifically, each radio-frequency module group is all made of one group of horizontal main lobe and is
120 degree of directional aerial, single radio-frequency module group complete the covering of 120 degree of horizontal sectors, and different directional aerials is formed a team difference
Range areas covered, horizontal 360-degree can be completed by the entire AP of combination of three groups of radio-frequency modules and directional aerial group
Omnidirectional covering.Antenna logic control unit is by Complex Programmable Logic Devices (Complex Programmable Logic
Device, referred to as CPLD) it realizes, control logic (i.e. control logic rule) is written by CPU by SPI interface, antenna logic
Control unit reads transmission/reception (TX/RX) status information stored in chip and frame class from WLAN MAC/BB/RF chips
Type information, according to the newer control logic of timing, (i.e. control logic rule, in practical applications, processor module can be with every
New logic control rule is written to antenna logic control module every a predetermined time, with when adapting to receive different data
Different demands for control) in radio-frequency module electronic switch and PA control.Accessory includes mainly that the network of periphery connects
Mouth (for example, GE interfaces for first line of a couplet network) and equipment power supply etc..
The all parts of the device and its operation principle are specifically described below.
In a preferred embodiment of the embodiment of the present invention, external one group of every group of radio-frequency module is certain for generating
The directional aerial of signal covering in range, different directional aerials carries out signal covering to different range areas, by making
It can be obtained in overlay area with directional aerial and be promoted relative to the antenna gain of omnidirectional antenna, to obtain higher link
Gain and more preferably signal-to-noise ratio and transmission rate；By the directional reception characteristic of directional aerial, the interference to no-coverage
Source signal is inhibited, and so that the influence that its AP is disturbed source when receiving the UE data in overlay area is reduced, to promote AP
The signal-to-noise ratio and transmission rate for receiving direction, can also make AP reduce the interference to antenna coverage areas external equipment.
In the apparatus, the working frequency of multigroup radio-frequency module and MAC Address are done into identical setting, makes multiple radio-frequency modules
It works under operating mode of the same race.It is more for UE since multigroup radio-frequency module is arranged to same frequency and MAC Address
A radio-frequency module is an AP rather than multiple AP.In this case, the associated radio-frequency modules of UE be by AP determine without
It is to be determined by UE, when UE is when the overlay areas AP roam, AP can not influence UE according to the reception condition of each radio-frequency module
Select most suitable radio-frequency module to UE transmission datas under the premise of reception.
Wherein, processor module can be used for receiving the WLAN management frames and data frame that each radio-frequency module receives, for
Each UE, processor module receives the cura generalis frame and data frame that all radio-frequency modules receive the UE, due to each radio frequency
The angle of coverage range for the directional aerial that module is connected is different, and the management that processor module receives all radio-frequency modules
Frame and data frame all receive, so, the probability for the data frame and management frame that AP receives UE transmissions can increase, and cause on AP
The robustness of line link is enhanced.Processor module screens the management frame and data frame that receive according to MAC Address,
It gets rid of and passes it to upper-layer protocol again after the frame of repetition and be further processed.Meanwhile processor module also receives respectively
The additional signal quality information for the WLAN management frames and data frame that radio-frequency module receives, to obtain for each UE serviced
Best match radio-frequency module real time information.Especially in all UE for being associated with the AP, processor module compares in real time
The signal quality of data frame or management frame compared with each UE received in each radio-frequency module, so that it is determined that going out for each
The radio-frequency module can be known as " matched radio-frequency module " by the best radio-frequency module of the corresponding received signal qualities of UE.
In the apparatus, above-mentioned matched radio-frequency module can be used for sending unicast packet.Unicast for downlink
For packet, processor module can be specified to be sent by matched radio-frequency module, is directed to each unicast packet for needing to send,
Processor module looks for the radio-frequency module with the address matching according to the target MAC (Media Access Control) address of unicast packet, and by the radio-frequency module
It is sent.By this method, it is directed to for the UE of AP services, most suitable directional aerial has been used to carry out data biography
Defeated, the antenna gain that can obtain relatively directional antenna is promoted, to bring link gain, signal-to-noise ratio and downlink data to pass
The promotion of defeated rate.
In the apparatus, the transmission to broadcast packet may be implemented in all radio-frequency modules, and can be carried out to broadcast packet
It repeats to send.For the broadcast packet (for example, beacon frame) of downlink, all radio frequency moulds are copied by processor module
Block is being repeated to send broadcast packet by radio-frequency module.Broadcast packet is to be directed to the entire overlay area of AP to be sent,
When processor module detect downlink message be broadcasting packet when, by broadcasting packet replicate more parts transfer to all radio-frequency modules into
Row timesharing is sent, and the signal transmission between each radio-frequency module follows CSMA/CA mechanism.
Radio-frequency module can also autonomous control frames signal.It, will when radio-frequency module receives the control frame of UE transmissions
The automatic transmission for carrying out control frame, for example, radio-frequency module can automatically reply response after receiving the unicast frame signal that UE is sent
(ACK) frame.
Wherein, antenna control logic module can be used for inhibiting issuable interference between each radio-frequency module.Antenna
Control logic module receives the send/receive status information of each radio-frequency module, and the control according to processor module write-in is patrolled
It collects and the electronic switch or PA components of each radio-frequency module is controlled, for example, when some UE sends unicast packet to AP, Ke Nengduo
The radio-frequency module of a AP has received this message and prepares to reply ack signal, and antenna control logic module is detecting certain
When a radio-frequency module is replying control signal, it can make the ack signal of other radio-frequency modules can not by electronic switch or PA
By air interface transmission, replys ack signal to avoid multiple radio-frequency modules and UE is caused possibly can not to normally receive ack signal
Phenomenon occurs.
Fig. 3 is application scenarios schematic diagram according to the ... of the embodiment of the present invention, as shown in figure 3, by AP three groups of radio-frequency modules with
What directional aerial group was constituted collectively forms the sector of three coverings, and it is horizontal that 360 degree of omnidirectional is collectively formed by three sectors
Covering；Wherein, each sector is completed to cover by one group of radio-frequency module and directional aerial group, respectively the regions 1#, the regions 2# and 3#
Region.Due to directional aerial can obtain in the case of same standing-wave ratio, vertical lobe relative to omnidirectional antenna it is higher
Horizontal lobe highest-gain, therefore, the device can obtain highest log3 ≈ 4.78db relative to using the device of omnidirectional antenna
Gain promoted, which is suitable for up direction and down direction, and can obtain respectively maximal cover more than 30% away from
Maximum coverage area from being promoted and more than 80% is promoted.
In application scenarios shown in Fig. 2, three radio-frequency modules are with being configured to operate in same frequency and same MAC
It, can be according to the optimal radio frequency of the control selections of program when the UE in AP and its overlay area is communicated under the operating mode of location
Module carrys out transmission data；In this scene, each radio-frequency module is completely the same to the parameter that UE is shown, so, UE1, UE2,
UE3 is not aware which radio-frequency module specifically communicate with is.
It, can be in the feelings for not increasing bandwidth occupancy using the data processing equipment for the wireless access point that above-described embodiment provides
The coverage area that single AP is enhanced under condition improves the link gain of the uplink and downlink of AP to promote uplink and downlink rate, AP
The anti-interference ability of capacity and AP, while the interference between AP is reduced, and then improve user experience and Wireless LAN
System performance.
Fig. 4 is the flow chart of the data processing method of wireless access point according to the ... of the embodiment of the present invention, as shown in figure 4, should
Method mainly includes the following steps that (step S402- step S406)：
Step S402, each radio-frequency module receive the upper line number from user equipment by corresponding directional aerial group
According to parsing the satellite information of upstream data from upstream data, upstream data and satellite information be transmitted to processor module；
Step S404, processor module are matched with user equipment according to upstream data and satellite information for user equipment is selected
Radio-frequency module；
Step S406, the radio-frequency module for being matched with user equipment send downlink data to user equipment.
In step s 404, processor module is matched with user according to upstream data and satellite information for user equipment is selected
The radio-frequency module of equipment includes：Processor module screens upstream data according to MAC Address, by the repetition in upstream data
Data are deleted；Processor module parses the signal quality information of upstream data from upstream data and satellite information；Processor
Module determines the radio-frequency module for being matched with user equipment according to signal quality information.
Preferably, after step S404, can also include：Processor module is by the upstream data after deleting duplicated data
Upper-layer protocol is sent to be handled；Processor module receives the data that upper-layer protocol issues；Processor module is by upper-layer protocol
The data issued are transmitted to the radio-frequency module for being matched with user equipment as downlink data.
Wherein, signal quality information includes following one：Signal strength RSSI, Signal to Noise Ratio (SNR).
Fig. 5 is the flow diagram handled the data frame received in application scenarios shown in Fig. 2, such as Fig. 5 institutes
Show, radio-frequency module 1 have received UE1 transmission three data frames, data frame number be respectively packet 1, packet2,
packet3；Radio-frequency module 2 has received totally 6 data frames that UE1 and UE2 are sent respectively, packet1 that respectively UE1 is sent,
Packet 4, packet5, packet6 of packet2, packet3 and UE2 transmission；Radio-frequency module 3 has received UE3 transmissions
Four data frames, data frame number are respectively packet 7, packet8, packet9, packet10.Processor module reception is penetrated
The frame that frequency module receives, due in radio-frequency module 1 and radio-frequency module 2 exist for UE1 repeating frame, processor module according to
MAC Address and frame number are got rid of to send to upper-layer protocol again after repeating frame and be further processed.
In the flow, processor module is true according to the source radio-frequency module and frame signal quality information of received frame
Determine the matching relationship of UE and radio-frequency module.For example, the frame of UE3 is reported by radio-frequency module 3, then the radio frequency mould of UE3 is matched
Block is radio-frequency module 3；The frame of UE2 is reported by radio-frequency module 2, then the radio-frequency module for matching UE2 is radio-frequency module 2；It penetrates
Frequency module 1 and radio-frequency module 2 have reported the frame of UE1, then needing (can be according to signal strength further according to frame signal quality information
(RSSI) or signal-to-noise ratio (SNR) judgement) judge matched radio-frequency module.In this example, radio-frequency module 1 receives UE1 frames
Signal quality receives UE1 frame signal quality better than radio-frequency module 2, and the radio-frequency module of judgement matching UE1 is radio-frequency module 1, and
And processor module by this information of real-time update and stores spare.
Fig. 6 is the flow diagram that the unicast frame sent to needs in application scenarios shown in Fig. 2 is handled, such as Fig. 6
Shown, processor module has received 10 data frames that upper-layer protocol is sent to UE, data frame number be respectively packet1~
Packet10 includes the target MAC (Media Access Control) address for the UE to be sent in each data frame.Processor module is according to each data frame
Target MAC (Media Access Control) address inquire for the MAC Address matching radio-frequency module number (UE1 described above matches radio-frequency module 1,
UE2 matches radio-frequency module 2, and UE3 matches radio-frequency module 3), and data frame is sent into corresponding radio-frequency module according to corresponding number
Transmit queue.Wherein, packet1~packet3 is admitted to the transmit queue of radio-frequency module 1, and packet4~packet6 is sent
Enter the transmit queue of radio-frequency module 2, packet7~packet10 is admitted to the transmit queue of radio-frequency module 3.Each radio-frequency module is abided by
The CSMA/CA mechanism timesharing for following 802.11 definition sends data frame.The mesh of directive sending is reached by this method
, improve the performance of the link of downlink.
Preferably for broadcast frame signal (for example, beacon frame beacon signals), processor module is copied to each
Radio-frequency module, radio-frequency module carry out timesharing transmission to broadcast frame signal again.
It, can be by radio-frequency module from main process task preferably for control frame signal.For example, radio-frequency module receives UE hairs
ACK frames can be automatically replied after the unicast frame signal sent.In this case, it is easy to cause when a certain UE sends unicast packet to AP
The radio-frequency module for having multiple AP has received this message and prepares to reply ack signal.Same day line traffic control logic module detects
When replying control signal to some radio-frequency module, (can open or close) electronic switch or PA by control makes others
The ack signal of radio-frequency module can not reply ack signal to avoid multiple radio-frequency modules and be easy to cause UE by air interface transmission
The phenomenon that possibly ack signal can not being normally received, occurs.
It, can be in the feelings for not increasing bandwidth occupancy using the data processing method for the wireless access point that above-described embodiment provides
The coverage area that single AP is enhanced under condition improves the link gain of the uplink and downlink of AP to promote uplink and downlink rate, AP
The anti-interference ability of capacity and AP, while the interference between AP is reduced, and then improve user experience and Wireless LAN
System performance.
It can be seen from the above description that the present invention realizes following technique effect：It is provided by above-described embodiment
The data processing equipment and method of wireless access point, the AP with multiple directional aerials is relative to the AP for using common omnidirectional antenna
In up-downlink direction the gain more than 4.7db can be obtained to be promoted, and can obtain respectively maximal cover more than 30% away from
Maximum coverage area from being promoted and more than 80% is promoted；60% is reduced to extraneous interference in down direction, and is promoted on AP
Capable anti-interference ability and concealed nodes processing capacity.Also, for the AP for using common omnidirectional antenna, software and hardware changes
Momentum is smaller, properties of product promote value that is apparent, having scale to promote and apply.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be with different from shown in sequence execution herein
The step of going out or describing, either they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of data processing equipment of wireless access point, which is characterized in that including：
Multiple directional aerial groups, for carrying out signal covering to target area；
Multiple radio-frequency modules, for receiving whole upstream datas from user equipment by the multiple directional aerial group, from
The satellite information of the upstream data is parsed in the upstream data, and sends downlink data to the user equipment, wherein
Each radio-frequency module corresponds to a directional aerial group respectively；
Processor module, the upstream data for receiving the multiple radio-frequency module forwarding and the satellite information, according to
The upstream data and the satellite information are the selected radio-frequency module for being matched with the user equipment of the user equipment, instruction
The radio-frequency module for being matched with the user equipment sends the downlink data to the user equipment, and at interval of one
Predetermined time is regular to the write-in logic control of antenna logic control module；
The antenna logic control module, for receiving the logic control rule, according to the logic control rule to each
The radio-frequency module carries out AF panel.
2. the apparatus according to claim 1, which is characterized in that including：
When described device is completed to cover the signal of target area by the multiple directional aerial group, each directional aerial
Group covers the subregion of the target area, wherein
The horizontal main lobe angle of each directional aerial group is identical or different.
3. the apparatus of claim 2, which is characterized in that the parameter of each directional aerial group with it is corresponding
The parameter of radio-frequency module matches.
4. device according to claim 3, which is characterized in that the working frequency range of each radio-frequency module, medium access
Control MAC Address all same.
5. device according to any one of claim 1 to 4, which is characterized in that including：
The multiple radio-frequency module is directly or indirectly connect by physical interface with the processor module, wherein
The physical interface includes at least one of：Ethernet interface, PCIE interfaces, pci interface and USB interface.
6. device according to any one of claim 1 to 4, which is characterized in that
Each the radio-frequency module includes：WLAN MAC/BB/RF chips, capacitance resistance ware, power amplifier PA, low noise are put
Big device LNA, filter and electronic switch.
7. a kind of data processing method of wireless access point, which is characterized in that including：
Each radio-frequency module receives the upstream data from user equipment by corresponding directional aerial group, from the uplink
The upstream data and the satellite information are transmitted to processor die by the satellite information that the upstream data is parsed in data
Block；
Described in the processor module is matched with according to the upstream data and the satellite information for the user equipment is selected
The radio-frequency module of user equipment；
The radio-frequency module for being matched with the user equipment sends downlink data to the user equipment；
Wherein, the processor module is regular to the write-in logic control of antenna logic control module at interval of a predetermined time,
The antenna logic control module carries out AF panel according to the logic control rule to each radio-frequency module.
8. the method according to the description of claim 7 is characterized in that the processor module is according to the upstream data and described
Satellite information is that the selected radio-frequency module for being matched with the user equipment of the user equipment includes：
The processor module screens the upstream data according to MAC Address, by the repeat number in the upstream data
According to deletion；
The processor module parses the signal quality of the upstream data from the upstream data and the satellite information
Information；
The processor module determines the radio-frequency module for being matched with the user equipment according to the signal quality information.
9. according to the method described in claim 8, it is characterized in that, in the processor module according to the signal quality information
Determination is matched with after the radio-frequency module of the user equipment, further includes：
Upstream data after deleting the duplicate data is sent to upper-layer protocol and handled by the processor module；
The processor module receives the data that the upper-layer protocol issues；
Data that the upper-layer protocol issues are transmitted to as the downlink data and described are matched with institute by the processor module
State the radio-frequency module of user equipment.
10. method according to claim 8 or claim 9, which is characterized in that including：
The signal quality information includes following one：Signal strength 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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| US20150055720A1 (en) * | 2013-08-21 | 2015-02-26 | Aviacomm Inc. | Simple and flexible interface architecture for controlling rf front-end components |
| 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 |
| CN104883526B (en) * | 2015-06-19 | 2018-05-15 | 深圳市爱图仕影像器材有限公司 | A kind of 360 degree of high-definition image transmission systems and method |
| 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 |
| 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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| CN101461270A (en) * | 2006-06-06 | 2009-06-17 | 高通股份有限公司 | Apparatus and method for wireless communication using directional and omni-directional antennas |
| CN101595654A (en) * | 2006-12-19 | 2009-12-02 | 艾尔加因公司 | The directional mimo antenna system of optimizing |
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| US7366464B2 (en) * | 2004-06-04 | 2008-04-29 | Interdigital Technology Corporation | Access point operating with a smart antenna in a WLAN and associated methods |
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|---|---|---|---|---|
| CN101461270A (en) * | 2006-06-06 | 2009-06-17 | 高通股份有限公司 | Apparatus and method for wireless communication using directional and omni-directional antennas |
| CN101595654A (en) * | 2006-12-19 | 2009-12-02 | 艾尔加因公司 | The directional mimo antenna system of optimizing |
| EP2192814A1 (en) * | 2007-09-11 | 2010-06-02 | Fujitsu Limited | Wireless base station and method for controlling the same |
| CN102257746A (en) * | 2008-11-12 | 2011-11-23 | 高通股份有限公司 | Method and apparatus for directional clear channel assessment in a wireless communications system |
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