CN102970056B - Equipment for converting WLAN (Wireless Local Area Network) wireless signal from 5.8G frequency band to 2.4G frequency band - Google Patents
Equipment for converting WLAN (Wireless Local Area Network) wireless signal from 5.8G frequency band to 2.4G frequency band Download PDFInfo
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- CN102970056B CN102970056B CN201210471411.XA CN201210471411A CN102970056B CN 102970056 B CN102970056 B CN 102970056B CN 201210471411 A CN201210471411 A CN 201210471411A CN 102970056 B CN102970056 B CN 102970056B
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Abstract
The invention discloses equipment for converting a WLAN (Wireless Local Area Network) wireless signal from 5.8G frequency band to 2.4G frequency band. The equipment comprises a 5.8G frequency band wireless access module, a frequency band conversion module for converting the 5.8G frequency band into the 2.4G frequency band, and a 2.4G frequency band wireless access module, wherein the 5.8G frequency band wireless access module is used for receiving a wireless signal in the 5.8G frequency band on an AP (Access Point) side; and after the wireless signal is converted into a wireless signal in the 2.4G frequency band through the frequency band conversion module, the wireless signal in the 2.4G frequency band is accessed by a user through the 2.4G frequency band wireless access module. By connecting the frequency band conversion module with the front end of the conventional 2.4G frequency band wireless access module, the wireless signal in the 5.8 frequency band is converted into the wireless signal in the 2.4G frequency band to be accessed by users, and the wireless signal in the 5.8 frequency band is used when the network transmission is carried out between a wireless internet access module and the AP, so that the purpose of avoiding same frequency interference is achieved.
Description
Technical field
The present invention relates to wireless network transmissions field, particularly, relate to a kind of equipment WLAN wireless signal being converted to 2.4G frequency range from 5.8G frequency range.
Background technology
The wireless network mainly 2.4G frequency range wireless access way of current use, mainly utilizes the advantages such as the diffracting power of 2.4G is strong, short-distance transmission performance is strong to do the network coverage; And the signal of a lot of main flow equipment as wireless network card, WIFI, microwave oven, bluetooth, home router etc. that we use is all be in 2.4G frequency range.Compare the access way with 2.4G frequency range, the wireless access way of 5.8G frequency range can not communicate with the main flow equipment of 2.4G frequency range, and therefore use less, range of application is also narrow.But the wireless access way of 2.4G frequency range exists following defect, the wireless access channel of (1) 2.4G frequency range is few, and a lot of main flow equipment is all the wireless access way using 2.4G frequency range, therefore, in a local area network (LAN), be easy to cause problem of co-channel interference, impact online quality.(2) frequency of 2.4G frequency range is relatively low, and signal transmission distance is near, when Distant Deployment wireless network, can increase the input of wireless device, disposes more complicated, causes hardware cost and later maintenance cost relatively high.And the wireless access way of 5.8G frequency range is when can solve the problem of co-channel interference and long-distance transmissions.But use the wireless access way of 5.8G frequency range to need to re-start network to lay, cause the waste of resource.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of equipment WLAN wireless signal being converted to 2.4G frequency range from 5.8G frequency range, to realize the advantage realizing energy savings while avoiding co-channel interference.
For achieving the above object, the technical solution used in the present invention is:
A kind of equipment WLAN wireless signal being converted to 2.4G frequency range from 5.8G frequency range, comprise 5.8G frequency range radio access module, for 5.8G frequency range being converted to frequency range modular converter and the 2.4G frequency range radio access module of 2.4G frequency range, described 5.8G frequency range radio access module receives the wireless signal of AP side 5.8G frequency range, this wireless signal is converted to after 2.4G frequency range wireless signal through frequency range modular converter, and is accessed for user by 2.4G frequency range radio access module by 2.4G frequency range wireless signal.
Further, the subscriber equipment accessing 2.4G frequency range radio access module comprises wireless network card, WIFI router or mobile phone.
Technical scheme of the present invention, by connecting frequency range modular converter in existing 2.4 frequency range radio access module front ends, the wireless signal of 5.8G frequency range is converted to 2.4 frequency range wireless signals to connect for user, and when carrying out Internet Transmission between Wireless Internet access module and AP, use the wireless signal of 5.8G frequency range, thus achieve the object avoiding co-channel interference.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is equipment principle block diagram WLAN wireless signal being converted to 2.4G frequency range from 5.8G frequency range described in the embodiment of the present invention;
The appliance circuit figure that Fig. 2 is the filter circuit described in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of equipment WLAN wireless signal being converted to 2.4G frequency range from 5.8G frequency range, comprise 5.8G frequency range radio access module, for 5.8G frequency range being converted to frequency range modular converter and the 2.4G frequency range radio access module of 2.4G frequency range, 5.8G frequency range radio access module receives the wireless signal of AP side 5.8G frequency range, this wireless signal is converted to after 2.4G frequency range wireless signal through frequency range modular converter, and is accessed for user by 2.4G frequency range radio access module by 2.4G frequency range wireless signal.
Wherein, the subscriber equipment accessing 2.4G frequency range radio access module comprises wireless network card, WIFI router or mobile phone.
Wherein 5.8G frequency range radio access module front end is connected filter circuit with 2.4G frequency range radio access module rear end, filter circuit as shown in Figure 2, comprise transport and placing device U1, transport and placing device U2 and transport and placing device U3, series resistance R1 on the inverting input of transport and placing device U1, shunt capacitance C1 and resistance R2 between the inverting input of transport and placing device U1 and the output of transport and placing device U1, the in-phase input end ground connection of transport and placing device U1, series resistance R3 between the inverting input of transport and placing device U1 and the output of transport and placing device U2, series capacitance C2 between the inverting input of transport and placing device U2 and the output of transport and placing device U2, the in-phase input end ground connection of described transport and placing device U2, series resistance R4 between the inverting input of transport and placing device U2 and the output of transport and placing device U3, the inverting input of transport and placing device U3 is connected on the output of transport and placing device U1, its in-phase input end ground connection.
5.8G frequency range radio access module, for receiving network signal, sends network signal with the frequency of 5.8GHZ.
Frequency range modular converter, for receiving the network signal of 5.8 frequency ranges that 5.8G frequency range radio access module sends, processing it, converting the network signal of 2.4G frequency range to, and send to user.
Subscriber equipment, mainly the network equipment such as wireless network card, WIFI, router, for receiving the network signal of the 2.4G frequency range that frequency range modular converter sends out, normally surfs the Net.
Specific works process is as follows:
The radio access module of 5.8G frequency range receives network signal, network signal is sent to frequency range modular converter with 5.8G frequency range, the network signal that the radio reception device that frequency range modular converter receives 5.8G frequency range sends, it is processed, the frequency of network signal is reduced to 2.4GHZ, and then sending to user to use in the mode of 2.4G frequency range, user receives the network signal of the 2.4G frequency range of the equipment transmission that invention is housed, and normally surfs the Net.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. WLAN wireless signal is converted to the equipment of 2.4G frequency range by one kind from 5.8G frequency range, it is characterized in that, comprise 5.8G frequency range radio access module, for 5.8G frequency range being converted to frequency range modular converter and the 2.4G frequency range radio access module of 2.4G frequency range, described 5.8G frequency range radio access module receives the wireless signal of AP side 5.8G frequency range, this wireless signal is converted to after 2.4G frequency range wireless signal through frequency range modular converter, and is accessed for user by 2.4G frequency range radio access module by 2.4G frequency range wireless signal, 5.8G frequency range radio access module front end is connected filter circuit with 2.4G frequency range radio access module rear end, filter circuit comprises transport and placing device U1, transport and placing device U2 and transport and placing device U3, series resistance R1 on the inverting input of transport and placing device U1, shunt capacitance C1 and resistance R2 between the inverting input of transport and placing device U1 and the output of transport and placing device U1, the in-phase input end ground connection of transport and placing device U1, series resistance R3 between the inverting input of transport and placing device U1 and the output of transport and placing device U2, series capacitance C2 between the inverting input of transport and placing device U2 and the output of transport and placing device U2, the in-phase input end ground connection of described transport and placing device U2, series resistance R4 between the inverting input of transport and placing device U2 and the output of transport and placing device U3, the inverting input of transport and placing device U3 is connected on the output of transport and placing device U1, its in-phase input end ground connection.
2. wireless network signal according to claim 1 converts the equipment of 2.4G frequency range to from 5.8G frequency range, it is characterized in that, the subscriber equipment of access 2.4G frequency range radio access module comprises wireless network card, WIFI router or mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210471411.XA CN102970056B (en) | 2012-11-20 | 2012-11-20 | Equipment for converting WLAN (Wireless Local Area Network) wireless signal from 5.8G frequency band to 2.4G frequency band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210471411.XA CN102970056B (en) | 2012-11-20 | 2012-11-20 | Equipment for converting WLAN (Wireless Local Area Network) wireless signal from 5.8G frequency band to 2.4G frequency band |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102970056A CN102970056A (en) | 2013-03-13 |
| CN102970056B true CN102970056B (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210471411.XA Expired - Fee Related CN102970056B (en) | 2012-11-20 | 2012-11-20 | Equipment for converting WLAN (Wireless Local Area Network) wireless signal from 5.8G frequency band to 2.4G frequency band |
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| CN (1) | CN102970056B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040125775A1 (en) * | 2002-12-31 | 2004-07-01 | Rios Carlos A. | Multiprotocol WLAN access point devices |
| CN1750489A (en) * | 2004-09-17 | 2006-03-22 | 武汉中维宽带通信技术有限公司 | Method for constructing extendable WLAN network using general WLAN access point |
| US20060073827A1 (en) * | 2002-12-19 | 2006-04-06 | Nokia Corporation | System and handover mechanism in frequency multilple band environment and equipment therefor |
| CN101291522A (en) * | 2007-04-19 | 2008-10-22 | 华为技术有限公司 | System and method realizing cognitive radio function |
| CN101795173A (en) * | 2010-01-21 | 2010-08-04 | 福建星网锐捷网络有限公司 | Method for transmitting downlink data in wireless network and wireless access equipment |
| CN102006653A (en) * | 2009-08-28 | 2011-04-06 | 华为技术有限公司 | Access control method and access point (AP) |
| CN202889342U (en) * | 2012-11-20 | 2013-04-17 | 无锡乾煜信息技术有限公司 | Equipment for transforming WLAN (Wireless Local Area Network) wireless signal from 5.8G frequency range to 2.4G frequency range |
-
2012
- 2012-11-20 CN CN201210471411.XA patent/CN102970056B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060073827A1 (en) * | 2002-12-19 | 2006-04-06 | Nokia Corporation | System and handover mechanism in frequency multilple band environment and equipment therefor |
| US20040125775A1 (en) * | 2002-12-31 | 2004-07-01 | Rios Carlos A. | Multiprotocol WLAN access point devices |
| CN1750489A (en) * | 2004-09-17 | 2006-03-22 | 武汉中维宽带通信技术有限公司 | Method for constructing extendable WLAN network using general WLAN access point |
| CN101291522A (en) * | 2007-04-19 | 2008-10-22 | 华为技术有限公司 | System and method realizing cognitive radio function |
| CN102006653A (en) * | 2009-08-28 | 2011-04-06 | 华为技术有限公司 | Access control method and access point (AP) |
| CN101795173A (en) * | 2010-01-21 | 2010-08-04 | 福建星网锐捷网络有限公司 | Method for transmitting downlink data in wireless network and wireless access equipment |
| CN202889342U (en) * | 2012-11-20 | 2013-04-17 | 无锡乾煜信息技术有限公司 | Equipment for transforming WLAN (Wireless Local Area Network) wireless signal from 5.8G frequency range to 2.4G frequency range |
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| CN102970056A (en) | 2013-03-13 |
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Effective date of registration: 20191127 Address after: 200233 room 1604, No. 888, Yishan Road, Xuhui District, Shanghai Patentee after: Shanghai Xianzhou Information Technology Co., Ltd Address before: 214000, No. 530, building C701, Science Park, University of science and technology, Taihu New District, Wuxi, Jiangsu Patentee before: Wuxi Qianyu Information Technology Co., Ltd. |
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Granted publication date: 20150204 Termination date: 20201120 |