CN102916860A - Hybrid local area network communication system and method - Google Patents

Hybrid local area network communication system and method Download PDF

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Publication number
CN102916860A
CN102916860A CN2012103798404A CN201210379840A CN102916860A CN 102916860 A CN102916860 A CN 102916860A CN 2012103798404 A CN2012103798404 A CN 2012103798404A CN 201210379840 A CN201210379840 A CN 201210379840A CN 102916860 A CN102916860 A CN 102916860A
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China
Prior art keywords
website
wireless sub
network
data
sub network
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CN2012103798404A
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Chinese (zh)
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凌晓军
范强国
丘锋伟
李宏哲
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Suzhou Inovance Technology Co Ltd
Shenzhen Inovance Technology Co Ltd
Shenzhen Inovance Control Technology Co Ltd
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Suzhou Inovance Technology Co Ltd
Shenzhen Inovance Technology Co Ltd
Shenzhen Inovance Control Technology Co Ltd
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Priority to CN2012103798404A priority Critical patent/CN102916860A/en
Publication of CN102916860A publication Critical patent/CN102916860A/en
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Abstract

The invention provides a hybrid local area network communication system which comprises a first wireless subnet, a second wireless subnet and a wired communication network, wherein the first wireless subnet, as well as the second wireless subnet, comprises external routing sites and relay sites and is connected with the wired communication network through the external routing sites; the relay sites and the external routing sites, which are on the same wireless subnet, are in data transmission through wireless network; and the first wireless subnet and the second wireless subnet are in data transmission through the wired communication network and two external routing sites. The invention further provides a corresponding method. According to the invention, the communication in the wireless network is realized through the wireless network, and the communication between the two wireless networks is realized through the wired communication network. In addition, on one hand, the data transmission stability is ensured, and on the other hand, the connection flexibility is increased.

Description

Mixed type local area network communication system and method
Technical field
The present invention relates to the local area network communication system, more particularly, relate to a kind of mixed type local area network communication system and method.
Background technology
Local area network (LAN) (Local Area Network, LAN) is that with various computers, external equipment and database link up mutually the computer communication network of composition in the geographic range of a part (in a school, factory and office).The local area network communication system can realize information interaction, resource-sharing among a small circle and can information be sent to the outside by public outlet website.
When specific implementation, local area network (LAN) both can carry out the data transmission and share by wired networking mode, also can realize information interaction in the network range by wireless mode.
Yet existing local area network communication system only finishes related data transmission by single networking mode (wired or wireless).Single networking mode has obvious technological deficiency, is mainly reflected in particular application such as residential quarter floor, mine, industrial automation scene, will greatly increase limitation and the technical costs of arranging net.For example, in the situation that signal strength signal intensity and data transmission credibility are had relatively high expectations, must increase cable network, to improve the relay capabilities of communication system; Perhaps when realizing the exchanges data of many group wireless networks, wired UNICOM that need to have the certain load amount.
Summary of the invention
The technical problem to be solved in the present invention is, for above-mentioned wireless lan communication system poor reliability, problem that cable LAN communication system wiring cost is high, provides a kind of mixed type local area network communication system and method.
The technical scheme that the present invention solves the problems of the technologies described above is, a kind of mixed type local area network communication system is provided, and comprises the first wireless sub network, the second wireless sub network and wired UNICOM net; Wherein: described the first wireless sub network and the second wireless sub network comprise respectively external route website and relay, and are connected to described wired UNICOM net by described external route website respectively; The relay and the external route website that are positioned at same wireless sub network carry out transfer of data by wireless network; Realize transfer of data by wired UNICOM net and two external route websites between described the first wireless sub network and the second wireless sub network.
In mixed type local area network communication of the present invention system, only there are the one or more relay in the wireless sub network to be the outlet website in described the first wireless sub network or the second wireless sub network.
In mixed type local area network communication of the present invention system, each described relay comprises the first data transmission unit, and each described external route website comprises the first data transmit-receive unit; Described the first data transmission unit when when being used for relay at this first data transmission unit place and being positioned at same wireless sub network with the outlet website data being sent to outlet website or the relay at this first data transmission unit place and being positioned at the different radio subnet with the outlet website sends to data the external route website of same wireless sub network; Described the first data transmit-receive unit, when sending to wired UNICOM net or the external route website at this place, the first data transmit-receive unit and be positioned at same wireless sub network with the outlet website from the relay receive data of same wireless sub network and with the data of described reception when being used for external route website at this place, the first data transmit-receive unit and being positioned at the different radio subnet with the outlet website from wired UNICOM net receive data and will send to the outlet website from the data that wired UNICOM net receives.
In mixed type local area network communication of the present invention system, each described relay comprises the first data receiver unit, is used for by the relay receive data of wireless network from same wireless sub network.
The present invention also provides a kind of mixed type LAN communication method, and the method may further comprise the steps:
Relay in the first wireless sub network or the second wireless sub network and external route website carry out transfer of data by wireless network respectively;
Realize transfer of data by wired UNICOM net and two external route websites between the first wireless sub network and the second wireless sub network, described the first wireless sub network and the second wireless sub network are connected to described wired UNICOM net by external route website respectively.
In mixed type LAN communication method of the present invention, only there are the one or more relay in the wireless sub network to be the outlet website in described the first wireless sub network or the second wireless sub network.
In mixed type LAN communication method of the present invention, each relay and external route website are carried out following steps when transfer of data:
(a) judge whether current website and outlet website are positioned at same wireless sub network, if current website is positioned at then execution in step (e) of same wireless sub network with the outlet website, otherwise execution in step (b);
(b) judge whether current website is external route website, if current website is then execution in step (d) of route website, otherwise execution in step (c);
(c) current website is crossed the external route website that wireless network sends to same wireless sub network with data communication device;
(d) current website is crossed the external route website that wired UNICOM net sends to the wireless sub network with outlet website with data communication device;
(e) current website is crossed wireless network transmissions to the outlet website with data communication device.
In mixed type LAN communication method of the present invention, further comprising the steps of: each described relay is by the relay receive data of wireless network from same wireless sub network.
Mixed type local area network communication system and method for the present invention, by communication in the wireless network realization wireless sub network and by the communication between two wireless sub networks of wired UNICOM's net realization, guarantee on the one hand the stability of transfer of data, increased on the other hand the flexibility that connects.
Description of drawings
Fig. 1 is the topology diagram of mixed type local area network communication system embodiment of the present invention.
Fig. 2 is relay and the external schematic diagram of route website embodiment among Fig. 1.
Fig. 3 is the schematic flow sheet of mixed type LAN communication method embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, 2, be the schematic diagram of mixed type local area network communication system embodiment of the present invention.In the present embodiment, mixed type local area network communication system comprises the first wireless sub network (subnet that is comprised of the 1-6# website among Fig. 1), the second wireless sub network (subnet that is comprised of the 7-12# website among Fig. 1) and wired UNICOM net, wherein the first wireless sub network and the second wireless sub network comprise respectively relay 20(1-4#, 6#, 7#, 9-12# website as shown in Figure 1) and external route website 10(5#, 8# website as shown in Figure 1), and be connected to wired UNICOM net by external route website 10 respectively.
Above-mentioned relay 20 and external route website 10 are similar to existing wireless router, be that each website can connect one or more wireless terminals (such as personal computer, panel computer, mobile phone etc.), wireless terminal can be connected to the local area network communication system by above-mentioned website.In the relay 20 of same wireless sub network with externally carry out transfer of data by wireless network respectively between the route website 10,20 of the relay 20 of the first wireless sub network and the relay of the second wireless sub network are then by wired UNICOM net and two external route websites 10 realization transfer of data.
For example in the communication system shown in Figure 1, if the 1# website need transfer data to the 3# website, then directly forward the data to by wireless network in the first wireless sub network and reach the 3# website; If 8# station need transfer data to the 3# station, need that then data communication device is crossed wired UNICOM net and be transferred to the 5# website, and forwarded the data to by the wireless network of 5# website by the first wireless sub network and to reach the 3# website; If the 10# website need transfer data to the 3# website, then the 10# website needs by the wireless network of the second wireless sub network data to be sent to the 8# website, the 8# website is sent to the 5# website by wired UNICOM net with data, and is forwarded the data to by the wireless network of 5# website by the first wireless sub network and to reach the 3# website.
Especially, in the above-mentioned mixed type communication system outlet website can be set, thus the addressable outer net of the wireless terminal in this system (such as the Internet etc.).Particularly, can in the wireless sub network in the first wireless sub network or the second wireless sub network one or more outlet websites be set, for example a relay is connected outer net, thereby make this relay as outlet website (being positioned at the 3# website of the first wireless sub network among Fig. 1).Certainly, in actual applications, also a plurality of outlet websites can be set in a wireless sub network.
As shown in Figure 2, above-mentioned mixed type local area network communication system can realize the transfer of data between website in the following manner: in each relay 20 first data transmission unit 21 is set, and at each external route website 10 first a data transmit-receive unit 11 is set.Above-mentioned the first data transmission unit 21 and the first data transmit-receive unit 21 can be realized by the software of the processor that runs on router.
When wireless terminal is accessed outer net by relay 20, when this relay 20 is positioned at same wireless sub network (being the first wireless sub network that relay is positioned at Fig. 1) with outlet website (being the 3# website), the first data transmission unit 21 of relay 20 directly will send to from the request msg of wireless terminal outlet website (being the 3# website).And when relay 20 was positioned at different radio subnet (being the second wireless sub network that relay is positioned at Fig. 1) with outlet website (being the 3# website), the external route website 10(that the first data transmission unit 21 of relay 20 will send to from the request msg of wireless terminal same wireless sub network (i.e. the second wireless sub network) was the 8# website among Fig. 1).
Externally route website 10 is when operation, whether the external route website 10 of at first judging its 11 places, the first data transmit-receive unit is positioned at same wireless sub network with the outlet website, if belong to the different radio subnet, then send to wired UNICOM net from the relay receive data of same wireless sub network and with the data that receive; If belong to the same wireless subnet, then also will send to the outlet website from the data that wired UNICOM net receives from wired UNICOM net receive data.
By the first data transmission unit 21 of relay 20 and the first data transmit-receive unit 11 of external route website 10, realized the transfer of data of the second wireless sub network to the first wireless sub network.
In addition, in above-mentioned mixed type local area network communication system, each relay 20 also can comprise first a data receiver unit 22.This first data receiver unit 22 is by relay 20 receive datas of wireless network from same wireless sub network.By above-mentioned the first data receiver unit 22, so that each relay not only can send to other websites to the data of self, also can be any website forwarding data in the same wireless sub network.
Above-mentioned mixed type local area network communication system is specially adapted to the fields such as elevator cell monitoring, mine tunnel monitoring of tools, industrial automation equipment monitoring, solves the field wiring difficulty, signal covers infull problem, satisfies and realize simultaneously the communication of many group wireless network nodes, the requirements that improve the system communication relay capabilities.
The present invention also provides a kind of mixed type LAN communication method, and the method may further comprise the steps: the relay in the first wireless sub network or the second wireless sub network and external route website carry out transfer of data by wireless network respectively; Realize transfer of data by wired UNICOM net and two external route websites between the first wireless sub network and the second wireless sub network, wherein the first wireless sub network and the second wireless sub network are connected to described wired UNICOM net by external route website respectively.
In above-mentioned mixed type LAN communication method, only there are the one or more relay in the wireless sub network to be the outlet website in the first wireless sub network or the second wireless sub network.At this moment, as shown in Figure 3, each relay in the first wireless sub network and the second wireless sub network and external route website are carried out following steps:
Step S31: judge whether current website (being relay or external route website) is positioned at same wireless sub network with the outlet website, if current website is positioned at then execution in step S35 of same wireless sub network with the outlet website, otherwise execution in step S32.
Step S32: judge whether current website is external route website, if current website is then execution in step S34 of route website, otherwise execution in step S33.
Step S33: current website is crossed the external route website that wireless network sends to same wireless sub network with data communication device, and realizes data retransmission by this external route website by wired UNICOM net and corresponding external route website.
Step S34: current website is crossed the external route website that wired UNICOM net sends to the wireless sub network with outlet website with data communication device, and realizes data retransmission by the external route website of correspondence.
Step S35: current website is crossed wireless network transmissions to the outlet website with data communication device.
In above-mentioned mixed type LAN communication method, further comprising the steps of: each relay is by the relay receive data of wireless network from same wireless sub network.By this step, so that each relay not only can send to other websites to the data of self, also can be any website forwarding data in the same wireless sub network.
The above; only for the better embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (8)

1. a mixed type local area network communication system is characterized in that: comprise the first wireless sub network, the second wireless sub network and wired UNICOM net; Wherein: described the first wireless sub network and the second wireless sub network comprise respectively external route website and relay, and are connected to described wired UNICOM net by described external route website respectively; The relay and the external route website that are positioned at same wireless sub network carry out transfer of data by wireless network; Realize transfer of data by wired UNICOM net and two external route websites between described the first wireless sub network and the second wireless sub network.
2. mixed type local area network communication according to claim 1 system is characterized in that: only have the one or more relay in the wireless sub network to be the outlet website in described the first wireless sub network or the second wireless sub network.
3. mixed type local area network communication according to claim 2 system, it is characterized in that: each described relay comprises the first data transmission unit, each described external route website comprises the first data transmit-receive unit; Described the first data transmission unit when when being used for relay at this first data transmission unit place and being positioned at same wireless sub network with the outlet website data being sent to outlet website or the relay at this first data transmission unit place and being positioned at the different radio subnet with the outlet website sends to data the external route website of same wireless sub network; Described the first data transmit-receive unit, when sending to wired UNICOM net or the external route website at this place, the first data transmit-receive unit and be positioned at same wireless sub network with the outlet website from the relay receive data of same wireless sub network and with the data of described reception when being used for external route website at this place, the first data transmit-receive unit and being positioned at the different radio subnet with the outlet website from wired UNICOM net receive data and will send to the outlet website from the data that wired UNICOM net receives.
4. mixed type local area network communication according to claim 3 system, it is characterized in that: each described relay comprises the first data receiver unit, is used for by the relay receive data of wireless network from same wireless sub network.
5. mixed type LAN communication method, it is characterized in that: the method may further comprise the steps:
Relay in the first wireless sub network or the second wireless sub network and external route website carry out transfer of data by wireless network respectively;
Realize transfer of data by wired UNICOM net and two external route websites between the first wireless sub network and the second wireless sub network, described the first wireless sub network and the second wireless sub network are connected to described wired UNICOM net by external route website respectively.
6. mixed type LAN communication method according to claim 5 is characterized in that: only have the one or more relay in the wireless sub network to be the outlet website in described the first wireless sub network or the second wireless sub network.
7. mixed type LAN communication method according to claim 6 is characterized in that: each relay and externally the route website when transfer of data, carry out following steps:
(a) judge whether current website and outlet website are positioned at same wireless sub network, if current website is positioned at then execution in step (e) of same wireless sub network with the outlet website, otherwise execution in step (b);
(b) judge whether current website is external route website, if current website is then execution in step (d) of route website, otherwise execution in step (c);
(c) current website is crossed the external route website that wireless network sends to same wireless sub network with data communication device;
(d) current website is crossed the external route website that wired UNICOM net sends to the wireless sub network with outlet website with data communication device;
(e) current website is crossed wireless network transmissions to the outlet website with data communication device.
8. mixed type LAN communication method according to claim 7, it is characterized in that: further comprising the steps of: each described relay is by the relay receive data of wireless network from same wireless sub network.
CN2012103798404A 2012-10-09 2012-10-09 Hybrid local area network communication system and method Pending CN102916860A (en)

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EP1713208A2 (en) * 2005-04-15 2006-10-18 Samsung Electronics Co., Ltd. Method and apparatus for transferring frames in extended wireless LAN
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CN101048991A (en) * 2004-08-27 2007-10-03 三星电子株式会社 Cellular mobile communication system and method using heterogeneous wireless network
CN101416452A (en) * 2006-03-29 2009-04-22 松下电器产业株式会社 Communication device, method executed by the communication device, and storage medium containing software for executing the method
CN101652968A (en) * 2007-01-31 2010-02-17 先进技术控股公司 Mix wired and wireless universal access network
CN102132623A (en) * 2008-06-25 2011-07-20 罗伯特·博世有限公司 Wireless vehicle communication method utilizing wired backbone
CN102164001A (en) * 2010-02-24 2011-08-24 巴比禄股份有限公司 Wireless lan system, wireless lan device, and communication method for relaying a packet
CN102244942A (en) * 2010-05-14 2011-11-16 巴比禄股份有限公司 Wireless relay device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101048991A (en) * 2004-08-27 2007-10-03 三星电子株式会社 Cellular mobile communication system and method using heterogeneous wireless network
EP1713208A2 (en) * 2005-04-15 2006-10-18 Samsung Electronics Co., Ltd. Method and apparatus for transferring frames in extended wireless LAN
CN101416452A (en) * 2006-03-29 2009-04-22 松下电器产业株式会社 Communication device, method executed by the communication device, and storage medium containing software for executing the method
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CN102244942A (en) * 2010-05-14 2011-11-16 巴比禄股份有限公司 Wireless relay device

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