CN107889281A - WLAN outdoor wireless access point implementation methods based on LTE network - Google Patents

WLAN outdoor wireless access point implementation methods based on LTE network Download PDF

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Publication number
CN107889281A
CN107889281A CN201711120795.XA CN201711120795A CN107889281A CN 107889281 A CN107889281 A CN 107889281A CN 201711120795 A CN201711120795 A CN 201711120795A CN 107889281 A CN107889281 A CN 107889281A
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wlan
signal
lte
central processing
processing unit
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CN201711120795.XA
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CN107889281B (en
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何劲财
陈剑辉
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Fujian Sunnada Network Technology Co Ltd
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Fujian Sunnada Network Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • 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 present invention provides a kind of WLAN outdoor wireless access point implementation methods based on LTE network, including wireless access point apparatus, device include：System level processor, signal covering selecting unit；The system level processor extends bridge piece extension by two PCIE by central processing unit and is connected to a LTE wireless network cards and multiple WLAN transceivers, forms complete data bearing links；Signal covering selecting unit is made up of CPLD logic controllers, radio-frequency receiving-transmitting chain and control circuit and corresponding aerial array；The signal covers selecting unit and is instructed control by central processing unit, obtains self-adapting signal covering；The power module provides power supply for device；The processor peripheral circuit unit is used for transceiving data or data storage.The present invention realizes the intelligence covering of self-adapting signal optimal path selection, improves the antijamming capability of electromagnetic wave, increase receiving signal sensitivity and covering signal quality.

Description

WLAN outdoor wireless access point implementation methods based on LTE network
This case be with Application No. 201410416155.3, it is the applying date 20140822, entitled《One kind is based on LTE nets The WLAN outdoor wireless access point devices of network》Patent application be female case divisional application.
Technical field
The present invention relates to wireless access outside technical field of communication equipment, more particularly to a kind of WLAN rooms based on LTE network Point device.
Background technology
With the development of mobile Internet, terminal user for data service demand into explosive growth.It is mobile mutual The development of conventional internet is compared in networking, has already skipped through the primary stage of internet development, into " application is king, and content is supreme " Epoch.
Just because of application leading for king, mobile Internet development proposes higher and higher requirement to broadband services, because This TD-LTE development is also extremely swift and violent.WIFI wireless coverages are even more than in some its regional wireless network speed of development Development；And having become the present situation that the standard of each intelligent terminal is equipped with relative to WIFI, LTE is in industrialization initial stage, its terminal hair Exhibition relatively lags behind, and puts into the situation that extensive commercialization still needs to certain technological accumulation, exists certain mutually contradictory.
In view of the rapid popularization of WiFi products, the frequency spectrum resource of 2.4G frequency ranges seems more and more valuable.Due to the ground of complexity Shape, influence of the barrier to electromagnetic transmission, influencing each other between a large number of users, electromagnetic wave can produce time delay spread, Rayleigh declines Fall, multipath effect, common-channel interference etc., be severely impacted communication quality, and the area coverage of single WiFi products has Limit.Current traditional AP uses merely high-gain aerial, can not solve the problems, such as that the application is present, it is impossible to meet the need of development and application Ask.
Present specification exploitation is a kind of by the way of LTE network carries as upstream data, can make full use of LTE nets Network resource carries out WIFI wireless coverages, solves above-mentioned problem, further widens the usage scenario of radio reception device.Can It is widely used in the WIFI such as emergency communication, rural area covering, high-speed mobile scene coverings.And realize that self-adapting signal optimal path selects The intelligence covering selected, improve the antijamming capability of electromagnetic wave, increase receiving signal sensitivity and covering signal quality.
Patent one：" WLAN switching methods and device under a kind of LTE-WLAN interworking between networks " is disclosed in the prior art, See Publication No.:, publication date is：Chinese patent, current WLAN hot spot between arbitrary target WLAN hot spot switching communication, Current WLAN hot spot communicates through next WLAN hot spot that most probable switches into the switching between arbitrary target WLAN hot spot And three kinds of methods of switching that current WLAN hot spot is communicated by the switching of LTE network to arbitrary target WLAN hot spot, realize Wireless terminal or mobile node can be completed to cut from current WLAN hot spot to the communication of arbitrary target WLAN hot spot in any case Change, data transfer in handoff procedure has been effectively ensured and has never interrupted, so as to ensure QOS and network throughput.
Patent two：" a kind of LTE and WLAN interconnection system and switching method " is disclosed in the prior art, sees publication number For：101841880A, publication date are：2010-09-22 Chinese patent, the system introduce the reality of virtual base station under LTE frameworks Body, LTE interface is linked into as WLAN.In LTE sides, virtual base station keeps transparent for LTE sides, has general LTE The function of base station.In WLAN sides, virtual base station can control WLAN access points.Switching between LTE and WLAN passes through virtual base Stand to realize, the switching between LTE and WLAN realizes handoff procedure using the interface of standard x 2.In virtual base station and WLAN access points Between the transmitting-receivings of data and signaling in handoff procedure is realized using Level 2 Tunnel Protocol or Ethernet tunnel protocol, will WLAN is as the data of LTE system and the bottom transmission channel of signaling.The advantages of this method is for LTE, is switched Journey is consistent with LTE handoff procedures, the influence very little to existing LTE.WLAN by it is a kind of it is tightly coupled in a manner of be connected to LTE, The quality of service requirements being used for can largely be met, the time delay that the switching of reduction system is brought, ensure systematic function.
Patent three：" a kind of device that multi-beam intelligent antenna is realized with directional aerial " is disclosed in the prior art sees disclosure Number it is：200969585, publication date is：2007-10-31 Chinese patent, the device include orienting day by separate N faces The tier antenna array of line composition, antenna selecting unit, coprocessor unit, primary processor；N faces directional aerial respectively with association The connection of device unit input is managed, coprocessor output end is connected respectively with antenna selecting unit, primary processor, primary processor output End is connected respectively with antenna selecting unit, base station.The utility model has simple in construction, and compatibility is strong, cross-correlation between antenna Property it is small, interference rejection capability is strong, and base station range is big, and Contamination of Electromagnetic Wave is small, and base station power is low, and Power Control is easy, organize battle array The advantages that mode is flexible, and equalizing traffic volume ability is strong, and message capacity is big.The utility model is suitable for 3G systems, 2G gsm system and The communication system such as following 4G systems and WLAN, PHS.
Network switching of the type between LTE and WIFI coverings described in above patent one and patent two, and the application is literary Part describe it is a kind of can the WIFI wireless access point devices based on LTE network Deta bearer.
Cross correlation is small between patent three mainly solves antenna, and interference rejection capability is strong, and what present specification solved is The problem of wifi scenes that trigger by link circuit resource and characteristic issues are limited etc..
The content of the invention
The technical problem to be solved in the present invention, it is to provide a kind of WLAN outdoor wireless access points dress based on LTE network Put, realize the intelligence covering of self-adapting signal optimal path selection, improve the antijamming capability of electromagnetic wave, increase reception signal spirit Sensitivity and covering signal quality.
What the present invention was realized in：A kind of WLAN outdoor wireless access point devices based on LTE network, described device bag Include：System level processor, signal covering selecting unit, power module and processor peripheral circuit unit；The system-level place Reason device extends bridge piece extension by two PCIE by central processing unit and is connected to a LTE wireless network cards and multiple WLAN transmitting-receivings Device, form complete data bearing links；Signal covers selecting unit by CPLD logic controllers, radio-frequency receiving-transmitting chain and control Circuit and corresponding aerial array are formed；The signal covers selecting unit and is instructed control by central processing unit, obtains adaptive letter Number covering；The power module provides power supply for device；The processor peripheral circuit unit is used for transceiving data or storage number According to；
The system level processor is connected in Operator Core Network by LTE wireless network cards, LTE wireless network card reception signals Afterwards, data flow is forwarded to central processing unit by PCIE extensions bridge piece；Central processing unit covers selecting unit processing according to signal As a result data flow is modulated into radiofrequency signal again by PCIE extension bridge pieces by WLAN transceiver, radiofrequency signal is via after preferentially Radio-frequency receiving-transmitting chain and control circuit and corresponding aerial array send, so as to form complete signal covering flow.
Further, the system level processor includes：Central processing unit, 2 road PCIE extensions bridge piece, the WLAN on 5 tunnels are received Send out device and LTE wireless network cards；The LTE wireless network cards are connected with a LTE antenna, and the central processing unit contains two-way PCIE interfaces；The PCIE interfaces of the LTE wireless network cards and the first PCIE interfaces of central processing unit extend bridge with 2 road PCIE The first PCIE extension bridge piece connections of piece, the 2nd PCIE interfaces of the central processing unit are connected with the 2nd PCIE extensions bridge piece； The first PCIE extensions bridge piece is connected with 3 WLAN transceivers, and the 2nd PCIE extensions bridge piece is connected with 2 WLAN transceivers； The LTE wireless network cards are used as upstream data bearing link, and data are connected by LTE wireless network cards and supporting LTE antenna Connect LTE overlay network core network access；And descending covering link is collectively constituted by the WLAN transceiver on 5 tunnels, in WLAN transceiver Base-Band Processing containing WLAN and RF receiving and transmission module, realize the covering of WIFI signal and the processing of signal；Central processing unit is directed to The data flow of each PCIE interfaces input is read out, filters bag, forwarding and the processing work of corresponding webmaster；Form complete number According to transmission link.
Further, the signal covering selecting unit purpose realizes the selection in subscriber signal Optimal coverage path；Signal Covering selecting unit includes CPLD logic controllers and single current signal capping unit；Single current signal capping unit is included and is sequentially connected Radio-frequency receiving-transmitting chain and control circuit, butler matrix and 4*4 combined antenna battle arrays；The WLAN transceiver on 5 tunnel, CPLD Logic controller is connected with radio-frequency receiving-transmitting chain and control circuit, and the single current signal capping unit realizes that 4 narrow beams cover Lid, the radio-frequency receiving-transmitting chain and control circuit are made up of 4 pairs of receiving-transmitting chains, corresponded onto the WLAN transceiver on 4 tunnels, can Receiving-transmitting chain is arbitrarily opened and closed by CPLD logic controllers, and 1 tunnel is received and dispatched as main WLAN in the WLAN transceiver on 5 tunnels Device, make the control of CPLD logic controllers that receiving and transmitting signal is switched on 4 pairs of receiving-transmitting chains and cover, main WLAN transceiver can root Each WLAN transceiver data are intercepted according to demand, and broadcast singal covering can be carried out by the WLAN transceiver on each 4 tunnel；Radio-frequency receiving-transmitting The signal that link comes out is sent into butler matrix, and signal amplitude is adjusted to 4 kinds of required outs of phase by butler matrix, passes through The narrow beam of 4 kinds of different coverage directions is formed after the superposition of aerial array out of phase；The covering of each narrow beam passes through All 4*4 antenna arrays are formed；Central processing unit is preferentially selected radio-frequency receiving-transmitting chain according to control CPLD logic controllers Select, realize adaptive user's Optimal coverage selection.
Further, the processor peripheral circuit unit includes：First internal memory, the second internal memory, flash memory, RS232 transceivers, ethernet transceiver and lightning-protection module；First internal memory, the second internal memory, flash memory with Central processing unit connect, the RS232 transceivers respectively with the first internal memory, the second internal memory, flash memory, central processing The UART interface connection of device；The ethernet transceiver respectively with the first internal memory, the second internal memory, flash memory, center The RGMII interfaces of processor, lightning-protection module connection；First built-in storage, the second built-in storage and flash memory, are used for The various data storages of program and 820.11 agreements；The RS232 transceivers, are operated and are monitored to central processing unit；With Too net transceiver is connected to central processing unit by RGMII interfaces, and data exchange is carried out by RGMII interface protocols.
Further, described device can carry out electricity in addition to Deta bearer is done using LTE network by ethernet transceiver Transmission means.
Further, the power module uses category-5 cable remote feeding electricity, and stabilization is provided for each circuit unit of device Reliable dc source.
The invention has the advantages that：The difference maximum more traditional AP of the present invention is LTE wireless networks can be used to make For Deta bearer mode and adaptive outdoor Optimal coverage function.The Deta bearer mode of more redundancies makes equipment be not only restricted to chain Road resource, it is easy to WLAN networkings to cover；Such as the application scenarios such as the fast moving objects such as emergency communication equipment, train, rural area, fill Divide and utilize LTE wireless networks, save networking resources.
And intelligence is covered and can selected according to the adaptive coverage direction of user's service condition progress, that is, pass through the optimal of combination Narrow beam covers；Improve antijamming capability, improve user's collision problem, improve user capacity, increase coverage, reduce frequency Rate is using resource and simplifies networking installation, reduces the advantages such as installation cost.
As outdoor version overlay device, because spaced far between user, user's hidden node problem is very serious, and uses Amount is more, and the collision probability between its user is very big, and collision is more, the efficiency of base station will lower and user capacity will Reduce；And the present invention when colliding, user is received by different beams and receiver, can be taken by algorithm one or Time-division processing, collision is reduced, improves overall user capacity.
Signal is covered by the narrow beam of division, and its energy is more concentrated, and penetrating capacity is stronger, can be more preferably to blocking User, remote user cover, the effective overburden depth and range for improving access point apparatus.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
Refer to shown in Fig. 1, a kind of WLAN outdoor wireless access point devices based on LTE network of the invention, the dress Put including：System level processor, signal covering selecting unit, power module and processor peripheral circuit unit；The system Level processor extends bridge piece extension by two PCIE by central processing unit and is connected to a LTE wireless network cards and multiple WLAN Transceiver, form complete data bearing links；Signal cover selecting unit by CPLD logic controllers, radio-frequency receiving-transmitting chain and Control circuit and corresponding aerial array are formed；The signal covers selecting unit and is instructed control by central processing unit, obtains adaptive Induction signal covers；The power module provides power supply for device；The processor peripheral circuit unit is used for transceiving data or deposited Store up data；
The system level processor is connected in Operator Core Network by LTE wireless network cards, and base station is connect again by core net Enter to control manager to manage concentratedly；After LTE wireless network card reception signals, data flow is forwarded to centre by PCIE extensions bridge piece Manage device；Central processing unit covers selecting unit result by data flow again by PCIE extension bridge pieces according to signal, by WLAN Transceiver modulates are into radiofrequency signal, and radiofrequency signal is via the radio-frequency receiving-transmitting chain and control circuit and corresponding antenna array after preferentially Row are sent, so as to form complete signal covering flow.Similarly, user data is linked into core with reference to sublink direction Net, so as to realize that WLAN wireless network covers.
In the present invention, the system level processor includes：Central processing unit, 2 road PCIE extensions bridge piece, the WLAN on 5 tunnels Transceiver and LTE wireless network cards；The LTE wireless network cards are connected with a LTE antenna, and the central processing unit contains two-way PCIE interfaces；The PCIE interfaces of the LTE wireless network cards and the first PCIE interfaces of central processing unit extend bridge with 2 road PCIE The first PCIE extension bridge piece connections of piece, the 2nd PCIE interfaces of the central processing unit are connected with the 2nd PCIE extensions bridge piece； The first PCIE extensions bridge piece is connected with 3 WLAN transceivers, and the 2nd PCIE extensions bridge piece is connected with 2 WLAN transceivers； The LTE wireless network cards are used as upstream data bearing link, and data are connected by LTE wireless network cards and supporting LTE antenna Connect LTE overlay network core network access；And descending covering link is collectively constituted by the WLAN transceiver on 5 tunnels, in WLAN transceiver Base-Band Processing containing WLAN and RF receiving and transmission module, realize the covering of WIFI signal and the processing of signal；Central processing unit is directed to The data flow of each PCIE interfaces input is read out, filters bag, forwarding and the processing work of corresponding webmaster；Form complete number According to transmission link.
The signal covering selecting unit purpose realizes the selection in subscriber signal Optimal coverage path；Signal covering selection is single Member includes CPLD logic controllers and single current signal capping unit；In addition, the present invention can develop double space stream according to corresponding demand With three spatial flows, increase spatial flow need to increase the single current signal capping unit of corresponding number.Single current signal capping unit include according to The radio-frequency receiving-transmitting chain and control circuit of secondary connection, butler matrix and 4*4 combined antenna battle arrays；The WLAN transmitting-receivings on 5 tunnel Device, CPLD logic controllers are connected with radio-frequency receiving-transmitting chain and control circuit, and the single current signal capping unit is realized 4 narrow Wave cover, the radio-frequency receiving-transmitting chain and control circuit are made up of 4 pairs of receiving-transmitting chains, correspond the WLAN transmitting-receivings to 4 tunnels On device, receiving-transmitting chain can be arbitrarily opened and closed by CPLD logic controllers, and 1 tunnel is as master in the WLAN transceiver on 5 tunnels WLAN transceiver, make the control of CPLD logic controllers that receiving and transmitting signal is switched on 4 pairs of receiving-transmitting chains and cover, main WLAN is received Hair device can intercept each WLAN transceiver data according to demand, and can carry out broadcast singal covering by the WLAN transceiver on each 4 tunnel； The signal that radio-frequency receiving-transmitting chain comes out is sent into butler matrix, and signal amplitude is adjusted to 4 kinds of required differences by butler matrix Phase, the narrow beam of 4 kinds of different coverage directions is formed after the superposition of aerial array out of phase；The covering of each narrow beam It is to be formed by all 4*4 antenna arrays；Very high gain is can reach, meets that large area covers demand.Central processing unit Optimum selecting is carried out to radio-frequency receiving-transmitting chain according to control CPLD logic controllers, realizes adaptive user's Optimal coverage choosing Select.
The processor peripheral circuit unit includes：First internal memory, the second internal memory, flash memory, RS232 transmitting-receivings Device, ethernet transceiver and lightning-protection module；First internal memory, the second internal memory, flash memory are and central processing Device connect, the RS232 transceivers respectively with the first internal memory, the second internal memory, flash memory, central processing unit UART Interface connects；The ethernet transceiver respectively with the first internal memory, second internal memory, flash memory, central processing unit RGMII interfaces, lightning-protection module connection；First built-in storage, the second built-in storage and flash memory, for program and 820.11 the various data storages of agreement；The RS232 transceivers, are operated and are monitored to central processing unit；Ethernet is received Hair device is connected to central processing unit by RGMII interfaces, and data exchange is carried out by RGMII interface protocols.Described device is removed and adopted Outside doing Deta bearer with LTE network, electrical transmission mode can be carried out by ethernet transceiver.The power module uses five classes Line remote feeding electricity, reliable and stable dc source is provided for each circuit unit of device.
The present invention can also be based on LTE network as upstream data bearing mode, solve because of chain in addition to category-5 cable, optical fiber Limited etc. the solution of wifi scenes that road resource and characteristic issues trigger.The present invention also introduces the intelligent WLAN of multi-beam Soverlay technique, it can effectively improve existing WIFI wireless coverages network and requirement of arranging net.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with Modification, it should all belong to the covering scope of the present invention.

Claims (6)

1. a kind of WLAN outdoor wireless access point implementation methods based on LTE network, it is characterised in that including based on LTE network WLAN outdoor wireless access point devices, described device includes：System level processor and signal covering selecting unit；The system Irrespective of size processor extends bridge pieces extension by two PCIE by central processing unit and is connected to LTE wireless network cards and multiple WLAN transceiver, form complete data bearing links；Signal covers selecting unit by CPLD logic controllers, radio-frequency receiving-transmitting chain Road and control circuit and corresponding aerial array are formed；The signal covers selecting unit and is instructed control by central processing unit, obtains Self-adapting signal covers；
Methods described is based on said apparatus, and Operator Core Network is connected to by LTE wireless network cards by the system level processor In, after LTE wireless network card reception signals, data flow is forwarded to central processing unit by PCIE extensions bridge piece；Central processing unit root It is believed that data flow is extended bridge piece by number covering selecting unit result by PCIE again, radio frequency letter is modulated into by WLAN transceiver Number, radiofrequency signal is sent via the radio-frequency receiving-transmitting chain after preferentially and control circuit and corresponding aerial array, so as to shape Flow is covered into complete signal.
2. the WLAN outdoor wireless access point implementation methods according to claim 1 based on LTE network, it is characterised in that： The system level processor in described device includes：Central processing unit, 2 road PCIE extension bridge piece, the WLAN transceiver on 5 tunnels with And LTE wireless network cards；The LTE wireless network cards are connected with a LTE antenna, and the PCIE that the central processing unit contains two-way connects Mouthful；The PCIE interfaces of the LTE wireless network cards and the first PCIE interfaces of central processing unit with 2 road PCIE extension bridge pieces the One PCIE extension bridge piece connections, the 2nd PCIE interfaces of the central processing unit are connected with the 2nd PCIE extensions bridge piece；Described One PCIE extensions bridge piece is connected with 3 WLAN transceivers, and the 2nd PCIE extensions bridge piece is connected with 2 WLAN transceivers；
Methods described is based on said apparatus, is used by regarding the LTE wireless network cards as upstream data bearing link, data are led to Cross LTE wireless network cards and LTE overlay network core network access is connected with supporting LTE antenna；And descending covering link is by 5 tunnels WLAN transceiver collectively constitutes, and WLAN transceiver includes WLAN Base-Band Processings and RF receiving and transmission module, realizes WIFI signal Covering and the processing of signal；Central processing unit for each PCIE interfaces input data flow be read out, filter bag, forward and The processing work of corresponding webmaster；Form complete data transmission link.
3. the WLAN outdoor wireless access point implementation methods according to claim 2 based on LTE network, it is characterised in that： The signal covering selecting unit purpose realizes the selection in subscriber signal Optimal coverage path；Signal covering selecting unit includes CPLD logic controllers and single current signal capping unit；Single current signal capping unit include the radio-frequency receiving-transmitting chain that is sequentially connected and Control circuit, butler matrix and 4*4 combined antenna battle arrays；The WLAN transceiver on 5 tunnel, CPLD logic controllers are with penetrating Frequency receiving-transmitting chain and control circuit connection, the single current signal capping unit realize 4 narrow beam coverings, the radio-frequency receiving-transmitting chain Road and control circuit are made up of 4 pairs of receiving-transmitting chains, are corresponded onto the WLAN transceiver on 4 tunnels, can pass through CPLD logic controls Meaning is had a high regard for open and close receiving-transmitting chain, and 1 tunnel makes CPLD logic controls as main WLAN transceiver in the WLAN transceiver on 5 tunnels Receiving and transmitting signal is switched on 4 pairs of receiving-transmitting chains by device control processed to be covered, and main WLAN transceiver can be intercepted respectively according to demand WLAN transceiver data, and broadcast singal covering can be carried out by the WLAN transceiver on each 4 tunnel；The letter that radio-frequency receiving-transmitting chain comes out Number butler matrix is sent into, signal amplitude is adjusted to 4 kinds of required outs of phase by butler matrix, different by aerial array The narrow beam of 4 kinds of different coverage directions is formed after Phase Stacking；The covering of each narrow beam is by all 4*4 antennas Formation into；Central processing unit carries out optimum selecting according to control CPLD logic controllers to radio-frequency receiving-transmitting chain, realizes adaptive User's Optimal coverage selection.
4. the WLAN outdoor wireless access point implementation methods according to claim 1 based on LTE network, it is characterised in that： Also include processor peripheral circuit unit in described device, the processor peripheral circuit unit includes：First internal memory, second Internal memory, flash memory, RS232 transceivers, ethernet transceiver and lightning-protection module；First internal memory, in second Storage, flash memory are connected with central processing unit, the RS232 transceivers respectively with the first internal memory, the second internal memory, The UART interface connection of flash memory, central processing unit；The ethernet transceiver respectively with the first internal memory, the second internal memory Device, flash memory, the RGMII interfaces of central processing unit, lightning-protection module connection；
Methods described is based on said apparatus, by first internal memory, the second internal memory and flash memory, for program and 820.11 the various data storages of agreement；The RS232 transceivers, are operated and are monitored to central processing unit；Ethernet is received Hair device is connected to central processing unit by RGMII interfaces, and data exchange is carried out by RGMII interface protocols.
5. the WLAN outdoor wireless access point implementation methods according to claim 1 based on LTE network, it is characterised in that： Described device can carry out electrical transmission mode in addition to Deta bearer is done using LTE network by ethernet transceiver.
6. the WLAN outdoor wireless access point implementation methods according to claim 1 based on LTE network, it is characterised in that： Described device also includes power module, and the power module uses category-5 cable remote feeding electricity, is carried for each circuit unit of device For reliable and stable dc source.
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CN112988659A (en) * 2021-05-07 2021-06-18 湖南华自信息技术有限公司 PCIE bridge chip redundant mainboard, design method and computer storage medium

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