CN2610578Y - Insertion point of radio local network - Google Patents
Insertion point of radio local network Download PDFInfo
- Publication number
- CN2610578Y CN2610578Y CN 03277160 CN03277160U CN2610578Y CN 2610578 Y CN2610578 Y CN 2610578Y CN 03277160 CN03277160 CN 03277160 CN 03277160 U CN03277160 U CN 03277160U CN 2610578 Y CN2610578 Y CN 2610578Y
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- antenna
- radio frequency
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- access point
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Abstract
A wireless local area network switch-in point comprises certain radio-frequency interfaces connected with an antenna, multi-channel control modules which are connected with the radio-frequency interfaces and perform the functions of the communication and the standard control, and the channel distribution and the pattern setting, and system managing modules which are connected with the multi-channel control modules, control the power supply, the communicating signal and the environment temperature, and activate and control system modules.
Description
Technical field
The utility model relates to WLAN, refers to be applicable to the WLAN access point of 802.11 WLAN especially.
Background technology
802.11 series (are divided into 802.11b now, 802.11g with standard such as 802.11a) application of wireless network many with Wireless PC Card, Wireless CompactFlash Card (CFCard), and Wireless Universal Serial Bus Card (USB Card) be client, with wireless network access point (AP, Access Point is also referred to as network bridge) be the base station.Wireless network access point is as the traditional wired local area network and the bridge of WLAN, and therefore any PC that wireless Wireless PC card is housed all can see through the resource that AP removes to share wired local area network even Wide Area Network.In addition, AP itself can make the keyholed back plate of necessity at the PC that is connected to wireless network card again with the function of webmaster
When not visible, consider to use the method for wireless relay to get around barrier when having barrier to block between two local area network (LAN)s that needs connect, finish the wireless bridge joint between 2.At this moment, AP is used as trunking and uses.
Though the definition of the industrial standard of 802.11b has 11 (U.S.), 13 (Europe) can use with the individual channel of 14 (Japan), on the AP product of existing market was used, each AP only provided an available channel.Existing like this WLAN access point is not suitable as main wireless network base station and trunking is used.
The utility model content
The problem that the utility model solves provides a kind of WLAN access point, has a plurality of available channels, is suitable as main wireless network base station and trunking and uses.
For addressing the above problem, several radio frequency interfaces that are connected with antenna of the utility model WLAN access point, multichannel control module that be connected with radio frequency interface and executive communication and standard control and channel allocation and mode initialization function and be connected with the multichannel control module and to power supply, signal of communication, ambient temperature are controlled and the activation of system module is controlled system management module.
Compared with prior art, the utlity model has following advantage:
The WLAN access point only provides a plurality of available channels, uses this WLAN access point can support the multi-section communication equipment as main wireless network base station and trunking application.
Description of drawings
Fig. 1 is the utility model first application example schematic diagram.
Fig. 2 is that the structure of Fig. 1 realizes schematic diagram.
Fig. 3 is Fig. 2 refinement schematic diagram.
Fig. 4 is the utility model second application example schematic diagram.
Fig. 5,6, the 7th, the utility model the 3rd application example structural representation.
Embodiment
Please refer to Fig. 1, Fig. 2 and shown in Figure 3, multichannel control module 12 that WLAN access point 1 comprises several RF interfaces (radio frequency interface) 10 that are connected with antenna 2, be connected with radio frequency interface 10 and the system management module 13 that is connected with multichannel control module 12.
Several amplifiers (High Gain PA or Booster) 120, corresponding one by one with radio frequency interface 10, an end of this amplifier 120 is connected in radio frequency interface 10, and the other end is connected in system management module 13.
Described amplifier 120 is provided the high-power output of wireless local network connecting point signal of communication and is received amplification by system management module 13 controls.
Several 802.11 standard modules 121, corresponding one by one with amplifier 120, an end (output/input) of 802.11 standard modules 121 is connected with amplifier 120 other ends (I/O end).These 802.11 standard module, 121 other ends are connected with system management module 13 in addition, accept the control of system management module 13, executive system function.
802.11 standard module (802.11 Standard Interface Block) the 121st, 802.11 radio network functions and the communication function of execution general standardization.When wireless local network connecting point was outwards launched signal of communication, the output signal of 802.11 standard modules 121 was as the input signal of amplifier 120, and after this signal of communication amplified, via radio frequency interface 10, launched by antenna 2.When wireless local network connecting point receiving remote wireless communication signals, the signal of communication that receives by antenna, behind radio frequency interface 10,, make wireless local network connecting point can improve signal reception by inputing to 802.11 standard interfaces after amplifier 120 amplifications.
802.11 function and control module (802.11 Function ﹠amp; 802.1x Control Block) 122, one end is connected with system management module 13, the other end is connected with each 802.11 standard module 121, control 802.11 standard modules, 121 control executive system functions, to each 802.11 standard modules, 121 executive communication and standard control, and the execution of channel allocation and mode initialization function.
Omnidirectional antenna (Omni-Direction Antenna), omnidirectional antenna is evenly distributed on the central point comprehensive zone of 360 degree on every side with signal, is applicable to the linking point close together, and the distribution angle scope is big, and a fairly large number of situation;
Antenna sector, antenna sector have the energy directional aggregation capability, can carry out the covering in level 180 degree, 120 degree, the 90 degree scopes effectively, if therefore remote linkage point when relatively more concentrated, can adopt antenna sector in a certain angular range;
Directional antenna, the energy accumulating ability of directional antenna is the strongest, and the direction directive property of signal is fabulous.Therefore less when the remote linkage number of spots, when perhaps angle orientation was quite concentrated, adopting directional antenna was the most effective scheme; And,
Combined antenna, above-mentioned three kinds of certain characteristics of each tool of antenna, therefore in practice, the situation that occurs being used in combination through regular meeting is for example utilized several antenna sector, perhaps antenna sector and the directional antenna use that combines.
The utility model WLAN access point 1 makes multichannel be applied to a wireless network base station equipment simultaneously during as the base station, uses several not overlapped frequency ranges (also can use partly overlapping frequency range simultaneously, but benefit can be more relatively poor) simultaneously.This moment, the equipment in each cellular cell scope can provide maximum frequency range amount, and user's number of access also can promote the multiple that is equal to.
The attachable number of channel of the communications band that cooperation wireless distribution system (WDS, Wireless Distribution System) can not overlap each other each promotes as follows:
Design two do not overlap each other frequency range and six WDS utilizations as the 2.4GHz frequency range, then can provide the relaying of 12 radio widebands to transmit channel.In like manner then can provide the relaying of 18 radio widebands to transmit channel with three do not overlap each other frequency range and six WDS utilizations.
The 5GHz frequency range can design reach six 54Mbps do not overlap each other frequency range with set more WDSRepeater channels (as setting 12 WDS channels), so the triangular web relaying that should reach 72 radio widebands is transmitted channel, even more.
Please continue with reference to shown in Fig. 1,2, dijection interface 10 and the above omnidirectional antenna of two 8dBi of corresponding configuration are frequently adopted in this application, and described dijection frequency interface 10 all has the radio-frequency power output of 500mW or 1000mW.Two amplifiers 120 with the 10 corresponding connections of dijection frequency interface have effective omni-direction transmissions scope and can reach 1Km (collocation omnidirectional antenna).Radio frequency interface is corresponding one by one with the frequency range that do not overlap each other, and has 2 channels at this utility model WLAN access point 1, is used WDS and can supports 12 external Wireless Communication Equipment to use as trunking simultaneously.
If configure directional antenna connects remote wireless transmission, its frequency range transmission rate can reach more than the 8Mbps.
Please refer to shown in Figure 4, this application is an outdoor utility under the 802.11g standard, adopt dijection interface 10 frequently, and meet 802.11g standard chip (as Atheros AR5002AP-G), this application frequency range service can reach the wireless frequency range of two 54Mbps, cooperate WDS, can set the user and reach 12 WDS channels, two wireless channels can reach the transmission rate that 24 WDS radio widebands reach 1.5Mbps.
Please refer to shown in Figure 5, this application is 802.11 multiband application, this application can mix with 802.11b or 802.11g by 802.11a, employing meets the 802.11a/b/g standard chip (as Atheros AR5002AP-X, Atheros AR5002AP-2X), its not overlapped frequency range can reach six, cooperates WDS to set and reaches 72 efficient channels, and each channel reaches the message transmission rate of 2Mbps.This application mode is integrated multi channel radiofrequency signal and is interfaced to omnidirectional antenna with single RF, and this uses also and can connect by directional antenna.As long Distance Transmission, its usefulness can be from 22Mbps the message transmission rate to 132Mbps.This is used and adopts individual antenna, and this individual antenna is connected with the radio frequency interface 10 of WLAN access point 1 by radio frequency separation/blender 4.
Please refer to shown in Figure 6, this application is 802.11 multiband application, can mix with 802.11b or 802.11g by 802.11a, employing meets the 802.11a/b/g standard chip (as AtherosAR5002AP-X, Atheros AR5002AP-2X), its not overlapped communication frequency band can reach 8 54Mbps does not have wire rate or (the transfer of data benefit of 22Mbps ~ 31Mbps), cooperates WDS to set and reaches 96 efficient channels, and each channel reaches the message transmission rate of 2Mbps.Need to be connected with its antenna of 5GHz frequency range part at frequency range 2.4GHz with the antenna of mutual coupling.Though the radio frequency interface 10 among Fig. 6 is described with 6 interfaces, can reach 8 with the not overlapped communication frequency band of 54Mbps in the practical application, or can reach 9 not overlapped communication frequency bands with 54Mbps and 11Mbps hybrid system.
Please refer to shown in Figure 7, this application is that the multiband of 802.11 systems is used, this application can mix with 802.11b or 802.11g by 802.11a, employing meets the 802.11a/b/g standard chip (as Atheros AR5002AP-X, Atheros AR5002AP-2X), its not overlapped communication frequency band can reach no wire rate or (the transfer of data benefit of 11Mbps ~ 31Mbps) of 6 54Mbps and 3 22Mbps (24Mbps), cooperate WDS to set and reach 180 efficient channels, each channel reaches the message transmission rate of 2Mbps.But can be on using as the mode of Fig. 7 with part omnidirectional, or part is directed or reach the wideband benefit for directed antenna system entirely, if be used for directed the application entirely in the UNII of 5GHz frequency range, its no wire rate frequency range can reach 300Mbps (transfer of data benefit maximum can reach the speed of 186Mbps).
Claims (4)
1. WLAN access point, it is characterized in that, this access point comprise several radio frequency interfaces that are connected with antenna, multichannel control module that be connected with radio frequency interface and executive communication and standard control and channel allocation and mode initialization function and be connected with the multichannel control module and to power supply, signal of communication, ambient temperature are controlled and the activation of system module is controlled system management module.
2. WLAN access point as claimed in claim 1 is characterized in that, the multichannel control module also comprises:
Several amplifiers by system management module control, provide the high-power output of wireless local network connecting point signal of communication and receive amplification, and corresponding one by one with radio frequency interface, an end of this amplifier is connected in radio frequency interface, and the other end is connected in system management module;
Several 802.11 standard modules, it is corresponding one by one with amplifier to carry out general standardization 802.11 radio network functions and communication function, 802.11 an end of standard module is connected with amplifier 120 other ends, the other end is connected with system management module 13, accepts the control of system management module 13; And 802.11 function and control module, to each 802.11 standard module executive communication and standard control, and the execution of channel allocation and mode initialization function, the one end is connected with system management module, and the other end is connected with each 802.11 standard module.
3. WLAN access point as claimed in claim 2 is characterized in that, the antenna that disposes with radio frequency interface has omnidirectional antenna and directional antenna.
4. WLAN access point as claimed in claim 2 is characterized in that, this WLAN access point also includes the connection radio frequency interface and separates/blender with the radio frequency of antenna when adopting the configuration of individual antenna and a plurality of radio frequency interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277160 CN2610578Y (en) | 2003-07-22 | 2003-07-22 | Insertion point of radio local network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277160 CN2610578Y (en) | 2003-07-22 | 2003-07-22 | Insertion point of radio local network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2610578Y true CN2610578Y (en) | 2004-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03277160 Expired - Fee Related CN2610578Y (en) | 2003-07-22 | 2003-07-22 | Insertion point of radio local network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2610578Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100466570C (en) * | 2005-03-01 | 2009-03-04 | 华为技术有限公司 | WLAN access point and its access method |
| CN101471832B (en) * | 2007-12-29 | 2013-02-06 | 皇家飞利浦电子股份有限公司 | Method and apparatus for distributing wireless communication LAN channel |
| CN103582150A (en) * | 2013-11-05 | 2014-02-12 | 神州数码网络(北京)有限公司 | Method and device for accessing 802.15.4 network and wireless router equipment |
-
2003
- 2003-07-22 CN CN 03277160 patent/CN2610578Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100466570C (en) * | 2005-03-01 | 2009-03-04 | 华为技术有限公司 | WLAN access point and its access method |
| CN101471832B (en) * | 2007-12-29 | 2013-02-06 | 皇家飞利浦电子股份有限公司 | Method and apparatus for distributing wireless communication LAN channel |
| CN103582150A (en) * | 2013-11-05 | 2014-02-12 | 神州数码网络(北京)有限公司 | Method and device for accessing 802.15.4 network and wireless router equipment |
| CN103582150B (en) * | 2013-11-05 | 2018-03-16 | 神州数码(中国)有限公司 | Access the method, apparatus and wireless routing device of 802.15.4 networks |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |