CN107889278A - The WLAN wireless access point apparatus that LTE network carries as upstream data - Google Patents
The WLAN wireless access point apparatus that LTE network carries as upstream data Download PDFInfo
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- CN107889278A CN107889278A CN201711120486.2A CN201711120486A CN107889278A CN 107889278 A CN107889278 A CN 107889278A CN 201711120486 A CN201711120486 A CN 201711120486A CN 107889278 A CN107889278 A CN 107889278A
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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]
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- 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
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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 present invention provides a kind of WLAN outdoor wireless access point devices based on LTE network, and described device includes：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 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
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 (3)
1. a kind of WLAN outdoor wireless access point devices carried based on LTE network as upstream data, it is characterised in that described
Device includes：System level processor, signal covering selecting unit and processor peripheral circuit unit；The system level processor
Bridge piece extension is extended by two PCIE be connected to a LTE wireless network cards and multiple WLAN transceivers by central processing unit；
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 system level processor includes：Central processing unit, 2 road PCIE extensions bridge piece, the WLAN transceiver on 5 tunnels and LTE without
Gauze card；The LTE wireless network cards are connected with a LTE antenna, and the central processing unit contains the PCIE interfaces of two-way；It is described
The first PCIE of the PCIE interfaces of LTE wireless network cards and the first PCIE interfaces of central processing unit with 2 road PCIE extension bridge pieces
Bridge piece connection is extended, the 2nd PCIE interfaces of the central processing unit are connected with the 2nd PCIE extensions bridge piece；First PCIE
Extension bridge piece is connected with 3 WLAN transceivers, and the 2nd PCIE extensions bridge piece is connected with 2 WLAN transceivers；
Signal covering selecting unit includes CPLD logic controllers and single current signal capping unit；Single current signal capping unit includes
Radio-frequency receiving-transmitting chain and control circuit, butler matrix and the 4*4 combined antenna battle arrays being sequentially connected；The WLAN on 5 tunnel is received
Hair device, CPLD logic controllers are connected with radio-frequency receiving-transmitting chain and control circuit, and the single current signal capping unit realizes 4
Narrow beam is covered, and the radio-frequency receiving-transmitting chain and control circuit are made up of 4 pairs of receiving-transmitting chains, corresponds the WLAN receipts to 4 tunnels
Send out on device, receiving-transmitting chain is 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；
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 connect with central processing unit
Connect, the RS232 transceivers respectively with the first internal memory, the second internal memory, flash memory, central processing unit UART interface
Connection；The ethernet transceiver respectively with the first internal memory, the second internal memory, flash memory, central processing unit RGMII
Interface, lightning-protection module connection.
2. the WLAN outdoor wireless access point devices according to claim 1 carried based on LTE network as upstream data,
It is characterized in that：Described device can carry out electrical transmission side in addition to Deta bearer is done using LTE network by ethernet transceiver
Formula.
3. the WLAN outdoor wireless access point devices according to claim 1 carried based on LTE network as upstream data,
It is characterized in that：Also include power module, the power module uses category-5 cable remote feeding electricity, is each circuit unit of device
Reliable and stable dc source is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120486.2A CN107889278B (en) | 2014-08-22 | 2014-08-22 | WLAN wireless access point device using LTE network as uplink data bearer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120486.2A CN107889278B (en) | 2014-08-22 | 2014-08-22 | WLAN wireless access point device using LTE network as uplink data bearer |
| CN201410416155.3A CN104159325B (en) | 2014-08-22 | 2014-08-22 | WLAN outdoor wireless access point devices based on LTE network |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410416155.3A Division CN104159325B (en) | 2014-08-22 | 2014-08-22 | WLAN outdoor wireless access point devices based on LTE network |
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| CN107889278A true CN107889278A (en) | 2018-04-06 |
| CN107889278B CN107889278B (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711120551.1A Active CN107889279B (en) | 2014-08-22 | 2014-08-22 | WLAN networking covering device based on LTE network |
| CN201711120486.2A Active CN107889278B (en) | 2014-08-22 | 2014-08-22 | WLAN wireless access point device using LTE network as uplink data bearer |
| CN201410416155.3A Active CN104159325B (en) | 2014-08-22 | 2014-08-22 | WLAN outdoor wireless access point devices based on LTE network |
| CN201711120794.5A Active CN107889280B (en) | 2014-08-22 | 2014-08-22 | WLAN outdoor wireless access point device for self-adaptive signal optimal path selection |
| CN201711120530.XA Active CN107872901B (en) | 2014-08-22 | 2014-08-22 | Device for improving access point coverage depth and breadth based on LTE network |
| CN201711120795.XA Active CN107889281B (en) | 2014-08-22 | 2014-08-22 | Method for realizing WLAN outdoor wireless access point based on LTE network |
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| CN201410416155.3A Active CN104159325B (en) | 2014-08-22 | 2014-08-22 | WLAN outdoor wireless access point devices based on LTE network |
| CN201711120794.5A Active CN107889280B (en) | 2014-08-22 | 2014-08-22 | WLAN outdoor wireless access point device for self-adaptive signal optimal path selection |
| CN201711120530.XA Active CN107872901B (en) | 2014-08-22 | 2014-08-22 | Device for improving access point coverage depth and breadth based on LTE network |
| CN201711120795.XA Active CN107889281B (en) | 2014-08-22 | 2014-08-22 | Method for realizing WLAN outdoor wireless access point based on LTE network |
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| US20180332372A1 (en) * | 2017-05-12 | 2018-11-15 | Futurewei Technologies, Inc. | Optical Implementation of a Butler Matrix |
| CN109151936B (en) * | 2018-09-11 | 2021-02-09 | 合肥联宝信息技术有限公司 | Antenna system and network switching method |
| CN109195205B (en) * | 2018-09-12 | 2020-12-22 | 深圳鲲鹏无限科技有限公司 | Multi-radio frequency wireless mesh network and method for establishing data transmission link thereof |
| CN112988659B (en) * | 2021-05-07 | 2021-07-20 | 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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Also Published As
| Publication number | Publication date |
|---|---|
| CN107889279A (en) | 2018-04-06 |
| CN104159325A (en) | 2014-11-19 |
| CN107889278B (en) | 2021-10-15 |
| CN104159325B (en) | 2017-11-28 |
| CN107889281B (en) | 2021-06-08 |
| CN107872901A (en) | 2018-04-03 |
| CN107889279B (en) | 2021-06-29 |
| CN107889280B (en) | 2021-06-25 |
| CN107889281A (en) | 2018-04-06 |
| CN107872901B (en) | 2021-06-01 |
| CN107889280A (en) | 2018-04-06 |
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