CN102811452B - A kind of distributed wireless gateway system and communication means - Google Patents
A kind of distributed wireless gateway system and communication means Download PDFInfo
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- CN102811452B CN102811452B CN201110144845.4A CN201110144845A CN102811452B CN 102811452 B CN102811452 B CN 102811452B CN 201110144845 A CN201110144845 A CN 201110144845A CN 102811452 B CN102811452 B CN 102811452B
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Abstract
The present invention is a kind of distributed wireless gateway system and communication means, and Operation system setting has: three grades of IADs, secondary IADs, with secondary IAD and control the access primary gateway that terminal wireless is connected in netting, for providing the access protocol interface with outer net; Net control terminal in outer Control Server, net, human oriented machine interactive interface provides the generation of control command and/or media data, the state information of maintenance terminal equipment, can monitor access primary gateway normally work, if cannot normally work, bridge communications direct with secondary IAD.Native system is provided with control terminal in the outer Control Server of net and net, to form the network architecture of the inside and outside double copies of net, and when accessing primary gateway and cannot normally working due to failure and other reasons, in net, control terminal can directly communicate with each secondary IAD, adopt three-level network framework effectively to solve bandwidth, the channel interference problem of intensive spectrum communication, the reliability of system is improved greatly.
Description
Technical field
The present invention relates to wireless communication technology, specifically refer to a kind of distributed wireless gateway system and communication means, be particularly applicable to the household's IT application field that 3C merges.
Background technology
Along with the development of network technology and wireless communication technology, distributed wireless access technology and derivative various equipment thereof more and more popularize the every field in life, work.The framework of modal distributed wireless access system, it comprises multiple WAP (wireless access point) and multiple wireless terminal.On the one hand, each WAP (wireless access point) can be connected by wire transmission media or wireless transmission medium and external network; On the other hand, each WAP (wireless access point) is connected by wireless transmission medium and one or more wireless terminal device.Meanwhile, each WAP (wireless access point) exists as the IAD form of in this distributed wireless access system.
Because the function of each wireless terminal device differs, the control command transmission that transmission bandwidth requirement is less can be related to, larger is audio transmission, what bandwidth requirement was larger is image, transmission of video, and, the access protocol that wireless transmission adopts also standard differs, this just make each wireless terminal device need to be used in pointedly WAP (wireless access point) that the various aspects such as access protocol, local service process match could realize with outer net interconnected.
Along with the development of IAD capacity microminiaturization, and the increasing number of wireless terminal device in Access Network, a large amount of IADs will be there will be in Access Network, if still by existing form networking, each IAD needs the logical calculated realizing access protocol and carry out the complexity such as local service process, higher to the configuration requirement of each IAD, when IAD quantity increases greatly, the sharp increase of networking cost will make the distributed wireless access technology originally with very large technical advantage and development prospect be subject to great popularization and application limitation, simultaneously, access protocol and the configuration of each IAD do not have unified standard, Breakdown Maintenance and upgrading will cause inconvenience greatly and high cost.
More advanced technic relization scheme is in Access Network, set up an access primary gateway at present, and original each radio access node connected with wireless terminal device is as secondary IAD, first all secondary IADs connect with access primary gateway, composition two-stage gateway access system.It is interconnected that all terminal equipments and secondary IAD will realize with outer net, must adopt unified access protocol, to be connected to realize by centralized and unified access interface with outer net by access primary gateway.This technical scheme more efficiently solves the problem of the aforementioned access protocol due to each secondary IAD and the configuration networking that causes of disunity and maintenance cost, but the program does not have network backup function, if access primary gateway breaks down, whole distributed wireless access system cannot cause paralysing with outbound communication, the reliability of system is not enough, also control terminal in net suitable with the Control Server function in outer net in Access Network is arranged at owing to lacking on the other hand, time Control Server normally can not issue control command and/or data offline, even if access primary gateway can normally realize netting outer communication, terminal equipment also cannot obtain control command, whole distributed wireless access system is also by paralyzed state.
The technology of theme is applied as with household's IT application and electric terminal emerges in an endless stream along with all kinds of, of a great variety.Household's IT application construction has become the main application scenario of distributed wireless access technology." 3C " merges (Computer, Communication, Consumer Electronic) technology is the core that household's IT application is achieved, in existing household's IT application scheme, be fused to target when more domestic consumer electric terminal with 3C and configure radio network gateway, form a distributed wireless gateway system, this gateway system can only accomplish two-stage IAD technology described above so far, due to the limitation of household's IT application application controls, a secondary IAD needs directly to be responsible for a region (as kitchen usually, bedroom etc.) in the communication of multiple wireless terminal device, this just easily causes the load of some secondary IAD excessive, frequency spectrum is too intensive, data-handling capacity requires too high, there is routing error in the multiple wireless terminal devices easily causing secondary IAD fault and access same secondary IAD, so that cannot normally work.
In sum, existing distributed wireless access technology, distributed wireless gateway cannot be satisfied with the needs of practical application, and reliability is not enough, and its defect in family's informatization and 3C fusion is more outstanding.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point of the prior art, a kind of distributed wireless gateway system is provided, native system is provided with control terminal in the outer Control Server of net and net, to form the network architecture of the inside and outside double copies of net, by netting, interior control terminal is unified to be configured terminal equipment, and when accessing primary gateway and cannot normally working due to failure and other reasons, in net, control terminal can directly communicate with each secondary IAD, and the generation of control command and/or data is directly provided, to realize controlling each terminal equipment, and, terminal equipment in net and the communication of outer net are by accessing primary gateway, unified access protocol is adopted to realize, reduce networking cost and complexity, also the reliability of system is made greatly to improve, in addition, the present invention adopts three grades of IAD technology, the load of IAD at different levels is distributed comparatively average, life-span is longer.
Another object of the present invention is to the communication means that above-mentioned distributed wireless gateway system is provided.
The object of the invention is to be achieved through the following technical solutions: a kind of distributed wireless gateway system, is provided with:
One or more three grades of IADs, with terminal equipment wireless connections, for detecting and reporting state information and the event information of described terminal equipment, forward control command and/or data to terminal equipment;
One or more secondary IAD, with terminal equipment and/or three grades of IAD wireless connections, for detecting and the state information reporting described terminal equipment and/or three grades of IADs to report and event information, forward control command and/or data to terminal equipment and/or three grades of IADs;
Access primary gateway, with described secondary IAD and control terminal wireless in netting and be connected, for this wireless gateway system provides the access protocol interface with outer net, be responsible for the reception of the net control command that issues of outer Control Server and/or data, and the state information of terminal equipment and the transmission of event information;
Net outer Control Server, receive the event information that access primary gateway transmits, assign control command and/or data for terminal equipment;
Control terminal in net, human-computer interaction interface is utilized to provide the generation of control command and/or data, the state information of maintenance terminal equipment, the control command that the outer Control Server of parsing net issues and/or data are also issued by access primary gateway, monitor access primary gateway can normally work, if cannot normally work, directly carry out bridge communications with secondary IAD, as normal work, then recover to communicate with access primary gateway.
In described net, control terminal is provided with:
Net outer Service Processing Unit, resolve the control command that the outer Control Server of net issues;
Service Processing Unit in net, carries out dissection process to the event information from secondary IAD;
First local Service Processing Unit, the input according to human-computer interaction interface directly generates control command and/or data;
Dispensing unit, configures described secondary IAD and/or three grades of IADs, generates configuration information, configurating terminal device according to the state information of control command and described terminal equipment and event information;
Memory cell, stored configuration unit is used for the configuration information of configurating terminal device;
Monitoring unit, can monitor access primary gateway normally work, and as cannot be normally worked, generates route handoff instruction and makes the first wireless bridging transceiver module and secondary IAD carry out bridge communications;
Radio receiving transmitting module, carries out the transmitting-receiving of wireless signal with access primary gateway;
First wireless bridging transceiver module, carries out the transmitting-receiving of wireless signal with secondary IAD;
Human-computer interaction interface, the administration interface of unit in control terminal in integrated net, user oriented provides the generation of control command and/or data;
On preferred network connections scheme, described access primary gateway is by the mobile communications network of more than 2.5G, and especially TD-SCDMA wireless network communicates with the outer Control Server of net, to ensure transmission bandwidth practical requirement.
Described access primary gateway is provided with:
The outer transceiver module of wireless network, for carrying out radio communication with the outer Control Server of net;
Second wireless bridging transceiver module, for realizing radio communication between secondary IAD;
Transceiver module in first wireless network, is communicated with control terminal in net by communication;
Network security processing unit, communicates with access primary gateway for only allowing authorized user;
Dispensing unit in first wireless network, communicates with access primary gateway for only allowing to authorize terminal equipment in net;
Working Status Monitoring unit, in monitoring wireless net outer transceiver module, the second wireless bridging transceiver module and wireless network, can transceiver module normally work;
In described wireless network, transceiver module directly can also carry out wireless bridging with terminal equipment without secondary IAD and communicates, and the terminal equipment connected can be the smart mobile phone of television PC, wireless camera and support web-browsing.
Described secondary IAD is provided with:
3rd wireless bridging transceiver module, for access primary gateway and/or net interior control terminal and realize wireless bridging and communicate;
Transceiver module in second wireless network, for carrying out radio communication with terminal equipment and/or communicating with three grades of IADs;
Dispensing unit in second wireless network, carries out radio communication for configuration with terminal equipment and/or communicates with three grades of IADs;
Wireless bridging dispensing unit, for access primary gateway and/or net interior control terminal and realize wireless bridging and to communicate configuration information.
Described three grades of IADs are provided with:
Transceiver module in 3rd wireless network, for carrying out radio communication with terminal equipment;
Dispensing unit in 3rd wireless network, carries out radio communication for configuration and terminal equipment;
Second local service processing unit, for the treatment of the control command received from secondary IAD;
Accordingly, described terminal equipment is provided with wireless communication module, carries out according to the control command received from secondary IAD or three grades of IADs the control performing relevant work state.
A communication means for distributed wireless gateway system, step is as follows:
After system electrification, control terminal monitoring access primary gateway in net can normally work, if can, regularly inquiring about access primary gateway with or without receiving the control command of net outer Control Server, carrying out the mutual of control command and/or data by accessing primary gateway and secondary IAD;
If access primary gateway cisco unity malfunction, the first wireless bridging transceiver module that then in net, control terminal startup is inner and secondary IAD directly carry out bridge communications, when the radio receiving transmitting module of inside recovers to communicate with access primary gateway, in net, control terminal closes the first inner wireless bridging transceiver module and the direct communication of secondary IAD, returns to and carries out the mutual of control command and/or data by accessing primary gateway and secondary IAD;
Secondary IAD directly or by three grades of IADs and terminal equipment carries out the mutual of control command and/or data.
The present invention have the following advantages compared to existing technology and beneficial effect as follows:
Native system is provided with control terminal in the outer Control Server of net and net, to form the network architecture of the inside and outside double copies of net, by netting, interior control terminal is unified to be configured terminal equipment, and when accessing primary gateway and cannot normally working due to failure and other reasons, in net, control terminal can directly communicate with each secondary IAD, and the generation of control command and/or data is directly provided, to realize controlling each terminal equipment, and, terminal equipment in net and the communication of outer net are by accessing primary gateway, unified access protocol is adopted to realize, reduce networking cost and complexity, also the reliability of system is made greatly to improve, three-level network framework is adopted effectively to solve the bandwidth of intensive spectrum communication, channel interference problem, authorization terminal equipment automatically can be registered and log in native system, simplify the operation of user, improve system reliability.
Accompanying drawing explanation
Fig. 1 is the network structure of distributed wireless gateway system of the present invention;
Fig. 2 is the structure principle chart of control terminal in net;
Fig. 3 is the structure principle chart of access primary gateway;
Fig. 4 is the structure principle chart of secondary IAD;
Fig. 5 is the structure principle chart of three grades of IADs.
Embodiment
Below with object lesson, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
Generally speaking, native system is mainly used in realizing double copies inside and outside the control of wireless terminal device and the net of data interaction, and the double copies that communicate with secondary IAD of control terminal in net, wherein, described data interaction comprises the mutual of media data and non-media data.
As shown in Figure 1, distributed wireless gateway system of the present invention is provided with:
N number of three grades of IADs, with terminal equipment wireless connections, for detecting and reporting state information and the event information of described terminal equipment, forward control command and/or data to terminal equipment, N is natural number;
N secondary IAD, with terminal equipment and/or three grades of IAD wireless connections, for detecting and the state information reporting described terminal equipment and/or three grades of IADs to report and event information, forwarding control command and/or data are to terminal equipment and/or three grades of IADs, and n is natural number;
Access primary gateway, with described secondary IAD and control terminal wireless in netting and be connected, for this wireless gateway system provides the access protocol interface with outer net, be responsible for the reception of the net control command that issues of outer Control Server and/or data, and the state information of terminal equipment and the transmission of event information;
Net outer Control Server, receive the event information that access primary gateway transmits, assign control command and/or data for terminal equipment;
Control terminal in net, human-computer interaction interface is utilized to provide the generation of control command and/or data, the state information of maintenance terminal equipment, the control command that the outer Control Server of parsing net issues and/or data are also issued by access primary gateway, monitor access primary gateway can normally work, if cannot normally work, directly carry out bridge communications with secondary IAD, as normal work, then recover to communicate with access primary gateway.
As shown in Figure 2, in net, control terminal is provided with:
Net outer Service Processing Unit, resolve the control command that the outer Control Server of net issues;
Service Processing Unit in net, carries out dissection process to the event information from secondary IAD;
First local Service Processing Unit, the input according to human-computer interaction interface directly generates control command and/or data;
Dispensing unit, configures described secondary IAD and/or three grades of IADs, generates configuration information, configurating terminal device according to the state information of control command and described terminal equipment and event information;
Memory cell, stored configuration unit is used for the configuration information of configurating terminal device;
Monitoring unit, can monitor access primary gateway normally work, and as cannot be normally worked, generates route handoff instruction and makes the first wireless bridging transceiver module and secondary IAD carry out bridge communications;
Radio receiving transmitting module, carries out the transmitting-receiving of wireless signal with access primary gateway;
First wireless bridging transceiver module, carries out the transmitting-receiving of wireless signal with secondary IAD;
Human-computer interaction interface, the administration interface of unit in control terminal in integrated net, user oriented provides the generation of control command and/or data;
On preferred network connections scheme, described access primary gateway is by the mobile communications network of more than 2.5G, and especially TD-SCDMA wireless network communicates with the outer Control Server of net, to ensure transmission bandwidth practical requirement.
As shown in Figure 3, access primary gateway to be provided with:
The outer transceiver module of wireless network, for carrying out radio communication with the outer Control Server of net;
Second wireless bridging transceiver module, for realizing radio communication between secondary IAD;
Transceiver module in first wireless network, is communicated with control terminal in net by communication;
Network security processing unit, communicates with access primary gateway for only allowing authorized user;
Dispensing unit in first wireless network, authorizes the terminal equipment of Intranet to communicate with access primary gateway for only allowing;
Working Status Monitoring unit, in monitoring wireless net outer transceiver module, the second wireless bridging transceiver module and wireless network, can transceiver module normally work;
In described wireless network transceiver module can also without secondary IAD directly and terminal equipment carry out radio communication, the terminal equipment connected can be the smart mobile phone of television PC, wireless camera and support web-browsing.
As shown in Figure 4, secondary IAD is provided with:
3rd wireless bridging transceiver module, for access primary gateway and/or net the wireless bridging that interior control terminal realizes being not limited to WiFi and communicate;
Transceiver module in second wireless network, for carrying out being not limited to the radio communication of bluetooth with terminal equipment and/or communicating with three grades of IADs;
Dispensing unit in second wireless network, for configuring the radio communication of carrying out being not limited to bluetooth with terminal equipment and/or communicating with three grades of IADs;
Wireless bridging dispensing unit, for access primary gateway and/or net interior control terminal and realize wireless bridging and to communicate configuration information.
As shown in Figure 5, described three grades of IADs are provided with:
Transceiver module in 3rd wireless network, for carrying out radio communication with terminal equipment;
Dispensing unit in 3rd wireless network, carries out being not limited to infrared radio communication with terminal equipment for configuring;
Second local service processing unit, for the treatment of the control command received from secondary IAD;
Accordingly, described terminal equipment is provided with wireless communication module, carries out according to the control command received from secondary IAD or three grades of IADs the control performing relevant work state.
A kind of communication means of distributed wireless gateway system, step is as follows: after system electrification, control terminal monitoring access primary gateway in net can normally work, if can, regularly inquiring about access primary gateway with or without receiving the control command of net outer Control Server, carrying out the mutual of control command and/or data by accessing primary gateway and secondary IAD; If access primary gateway cisco unity malfunction, nets interior control terminal and starts the first inner wireless bridging transceiver module and the direct communication of secondary IAD, when the radio receiving transmitting module of inside recovers to communicate with access primary gateway, in net, control terminal closes the first inner wireless bridging transceiver module and the direct bridge communications of secondary IAD.
Meanwhile, the human-computer interaction interface by netting interior control terminal inquires the operating state of access primary gateway and carries out respective handling; In net, the terminal equipment according to memory cell of control terminal and/or the configuration information of secondary IAD are configured terminal equipment; Secondary IAD can directly communicate with terminal equipment and/or three grades of IADs, and the terminal equipment newly adding native system mandate can log in registration automatically.
In above-mentioned distributed wireless gateway system, the control command that in net, the outer Control Server of control terminal parses net issues and/or media data are also issued by access primary gateway, and its concrete steps are as follows:
(1), after system electrification, in net, control terminal regularly inquires about access primary gateway with or without receiving the control command of net outer Control Server, as nothing then continues wait, if any then entering as step (2) by serial ports and/or LAN mouth;
(2), net control signal described in interior control terminal parses, obtain IP address and the port numbers thereof of the secondary IAD of this control signal indication;
(3), the concrete secondary IAD that control signal is delivered to corresponding IP address by primary gateway is accessed;
(4), control command is reached terminal equipment and/or three grades of IADs to be performed through the port of corresponding end slogan by secondary IAD;
(5), control command is reached terminal equipment to be performed through the port of corresponding end slogan by three grades of level IADs;
Wherein, communication between described access primary gateway and secondary IAD adopts WIFI wireless mode, and access primary gateway with net outer Control Server adopt TD-SCDMA cordless communication network to carry out, secondary IAD adopts bluetooth to communicate with between terminal equipment and/or three grades of IADs, and three grades adopt infrared communication between IAD and terminal equipment.
In described net, control terminal also directly can generate and send control command and reach WIFI camera through access primary gateway, is carried out the transmission of image taking and view data by wireless WIFI mode control WIFI camera.
Various state informations, event information, configuration information and view data that in described net, it also stores by access primary gateway by control terminal pass to the outer Control Server of net, so that the outer Control Server of net is more fully understood the present situation in Access Network and makes the control action of more efficiently and accurately.
In described net, control terminal also can send control command and reach television PC through access primary gateway, controls television PC carry out playing the files in stream media showing and store by wireless WIFI mode.
Described with access primary gateway by the interconnected smart mobile phone of WIFI, it is provided with web browser, by sending browse request, control terminal in net is reached through access primary gateway, in net, control terminal is after accepting its browse request, smart mobile phone browses the relevant information of control terminal in net by web browser, and makes control command and be forwarded to control terminal in net, then by control terminal in net in net or send this control command outward.
Above-described embodiment is the present invention's preferably execution mode; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (7)
1. a distributed wireless gateway system, is characterized in that, is provided with:
One or more three grades of IADs, with terminal equipment wireless connections, for detecting and reporting state information and the event information of described terminal equipment, forward control command and/or data to terminal equipment;
One or more secondary IAD, with terminal equipment and/or three grades of IAD wireless connections, for detecting and the state information reporting described terminal equipment and/or three grades of IADs to report and event information, forward control command and/or data to terminal equipment and/or three grades of IADs;
Access primary gateway, with described secondary IAD and control terminal wireless in netting and be connected, for this wireless gateway system provides the access protocol interface with outer net, be responsible for the reception of the net control command that issues of outer Control Server and/or data, and the state information of terminal equipment and the transmission of event information;
Net outer Control Server, receive the event information that access primary gateway transmits, assign control command and/or data for terminal equipment;
Control terminal in net, human-computer interaction interface is utilized to provide the generation of control command and/or data, the state information of maintenance terminal equipment, the control command that the outer Control Server of parsing net issues and/or data are also issued by access primary gateway, monitor access primary gateway can normally work, if cannot normally work, directly carry out bridge communications with secondary IAD, as normal work, then recover to communicate with access primary gateway.
2. distributed wireless gateway system according to claim 1, is characterized in that, in described net, control terminal is provided with:
Net outer Service Processing Unit, resolve the control command that the outer Control Server of net issues;
Service Processing Unit in net, carries out dissection process to the event information from secondary IAD;
First local Service Processing Unit, the input according to human-computer interaction interface directly generates control command and/or data;
Dispensing unit, configures described secondary IAD and/or three grades of IADs, generates configuration information, configurating terminal device according to the state information of control command and described terminal equipment and event information;
Memory cell, stored configuration unit is used for the configuration information of configurating terminal device;
Monitoring unit, can monitor access primary gateway normally work, and as cannot be normally worked, generates route handoff instruction and makes the first wireless bridging transceiver module and secondary IAD carry out bridge communications;
Radio receiving transmitting module, carries out the transmitting-receiving of wireless signal with access primary gateway;
First wireless bridging transceiver module, carries out the transmitting-receiving of wireless signal with secondary IAD;
Human-computer interaction interface, the administration interface of unit in control terminal in integrated net, user oriented provides the generation of control command and/or data.
3. distributed wireless gateway system according to claim 2, is characterized in that, described access primary gateway is communicated with the outer Control Server of net by the mobile communications network of more than 2.5G.
4. distributed wireless gateway system according to claim 3, is characterized in that, described access primary gateway is provided with:
The outer transceiver module of wireless network, for carrying out radio communication with the outer Control Server of net;
Second wireless bridging transceiver module, for realizing radio communication between secondary IAD;
Transceiver module in first wireless network, is communicated with control terminal in net by communication;
Network security processing unit, communicates with access primary gateway for only allowing authorized user;
Dispensing unit in first wireless network, authorizes the terminal equipment in net to communicate with access primary gateway for only allowing;
Working Status Monitoring unit, in monitoring wireless net outer transceiver module, the second wireless bridging transceiver module and wireless network, can transceiver module normally work.
5. distributed wireless gateway system according to claim 4, is characterized in that, described secondary IAD is provided with:
3rd wireless bridging transceiver module, for access primary gateway and/or net interior control terminal and realize wireless bridging and communicate;
Transceiver module in second wireless network, for carrying out radio communication with terminal equipment and/or communicating with three grades of IADs;
Dispensing unit in second wireless network, carries out radio communication for configuration with terminal equipment and/or communicates with three grades of IADs;
Wireless bridging dispensing unit, for access primary gateway and/or net interior control terminal and realize wireless bridging and to communicate configuration information.
6. distributed wireless gateway system according to claim 5, is characterized in that, described three grades of IADs are provided with:
Transceiver module in 3rd wireless network, for carrying out radio communication with terminal equipment;
Dispensing unit in 3rd wireless network, carries out radio communication for configuration and terminal equipment;
Second local service processing unit, for the treatment of the control command received from secondary IAD;
Accordingly, described terminal equipment is provided with wireless communication module, carries out according to the control command received from secondary IAD or three grades of IADs the control performing relevant work state.
7. the communication means of distributed wireless gateway system as claimed in claim 6, is characterized in that:
After system electrification, control terminal monitoring access primary gateway in net can normally work, if can, regularly inquiring about access primary gateway with or without receiving the control command of net outer Control Server, carrying out the mutual of control command and/or data by accessing primary gateway and secondary IAD;
If access primary gateway cisco unity malfunction, the first wireless bridging transceiver module that then in net, control terminal startup is inner and secondary IAD directly carry out bridge communications, when the radio receiving transmitting module of inside recovers to communicate with access primary gateway, in net, control terminal closes the first inner wireless bridging transceiver module and the direct communication of secondary IAD, returns to and carries out the mutual of control command and/or data by accessing primary gateway and secondary IAD;
Secondary IAD directly or by three grades of IADs and terminal equipment carries out the mutual of control command and/or data.
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| CN1153411C (en) * | 2002-07-09 | 2004-06-09 | 北京长信嘉信息技术有限公司 | Communication method of digital home network |
| EP1777894A2 (en) * | 2005-10-19 | 2007-04-25 | NTT DoCoMo, Inc. | Method for accessing hybrid network, and gateway apparatus, wireless terminal and communication system thereof |
| CN101951693A (en) * | 2010-08-03 | 2011-01-19 | 天津中启创科技有限公司 | Thing Internet gateway of heterogeneous wireless network and control method thereof |
| CN102025573A (en) * | 2009-09-15 | 2011-04-20 | 海尔集团公司 | Home network system |
-
2011
- 2011-05-31 CN CN201110144845.4A patent/CN102811452B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153411C (en) * | 2002-07-09 | 2004-06-09 | 北京长信嘉信息技术有限公司 | Communication method of digital home network |
| EP1777894A2 (en) * | 2005-10-19 | 2007-04-25 | NTT DoCoMo, Inc. | Method for accessing hybrid network, and gateway apparatus, wireless terminal and communication system thereof |
| CN102025573A (en) * | 2009-09-15 | 2011-04-20 | 海尔集团公司 | Home network system |
| CN101951693A (en) * | 2010-08-03 | 2011-01-19 | 天津中启创科技有限公司 | Thing Internet gateway of heterogeneous wireless network and control method thereof |
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