CN1481125A - Method for realizing interconnection between devices by using door gateway and its realizing equipment - Google Patents
Method for realizing interconnection between devices by using door gateway and its realizing equipment Download PDFInfo
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- CN1481125A CN1481125A CNA021296553A CN02129655A CN1481125A CN 1481125 A CN1481125 A CN 1481125A CN A021296553 A CNA021296553 A CN A021296553A CN 02129655 A CN02129655 A CN 02129655A CN 1481125 A CN1481125 A CN 1481125A
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Abstract
Linkage is built through internal communication interface between household electrical appliance and door gateway as well as between appliances. When an appliance is connected to digital household network, the appliance carries out operation of registering device and service on the door gateway, and relevant data information of the device is stored in the door gateway. When requiring network resources sharing, the appliance sends request to the door gateway. Based on request type and device attribute information in database, the door gateway searches up suitable device, and the searched result is returned back to the appliance. The invention also discloses the door gateway and interlinking method. Thus, appliances connected to door gateway in digital household network can share all network resources. The invention supports wideband access in different type of interface, realizing various wideband access and management.
Description
Technical field
The present invention relates to a kind of gateway device, be meant a kind of method and implement device thereof that utilizes door gateway to realize the equipment room interconnection especially.
Background of invention
In recent years, along with the fast development of computer and network technologies and individual to family life digitlization, informationalized demand expansion, (E-Home has become a hot issue of industry at present for Electronic Home, notion E-Home) to have proposed electronic family.So-called E-Home is connected into housed device in the same home network exactly, carries out unified management and control, all devices can be interconnected and shared network resource, and the life of intellectuality, digitlization, automation is provided for the user.In order to realize the theory of E-Home, must in home network, build a network platform, be used as management and control centre, realize every function among the E-Home, door gateway one of equipment that will be absolutely necessary in this network platform by this network platform.
Gateway is a notion that coverage rate is very wide, is mainly used in the conversion and the processing of agreement or data, and the functional module interface between any two kinds of agreements, the two kinds of application can be called gateway, and itself and hub, bridge, router are the notions of a category.Seven layer protocols of corresponding International Standards Organization/open system interconnection (OSI) model (ISO/OSI), gateway can be realized connection and the conversion that transport layer is above.Gateway can be a computer that specific function software is installed, and also can be the embedded device of a special use.Its general function is exactly: one, protocol conversion function, promptly between the network area of using different agreement, do communication Protocol Conversion; Two, data converting function is promptly realized the conversion between the different data format between the inner or different network of consolidated network.
Door gateway is often referred to a kind of broadband gateway, mostly is used for the interconnection of broadband access network or office network office equipment.Though occurred many small home gateways, often can only realize basic network interconnection, and reckon without how to carry out interoperability between all kinds of different housed devices more easily, and how realize the resource-sharing between the housed device.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of utilizing door gateway to realize the equipment room interconnection, make the housed device that links to each other with door gateway in the digital home network can interconnect and shared all-network resource, and, can realize various broadband accesss and management neatly.
Another object of the present invention is to provide a kind of door gateway, make its broadband that is applicable to housed device in digital home network interconnection, and can support the broadband access of multiple distinct interface.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method of utilizing door gateway to realize the equipment room interconnection is connecting by the internal communication interface between family expenses equipment and the door gateway or between the housed device, and key is:
When a housed device inserted digital home network, this housed device carried out facility registration and service registry to door gateway, and stored the related data information of this equipment in door gateway;
When a housed device needed shared network resource, this housed device was sent out request to door gateway, the equipment that is fit to according to the device attribute information searching in request type and the database by door gateway, and lookup result fed back to this housed device.
Wherein, equipment inserts and further comprises:
A1. the housed device that will insert is to door gateway initiating equipment register requirement;
B1. after door gateway is received this request, send out facility registration request response to this equipment, simultaneously the corresponding data of this equipment is saved in the database by the facility registration service in the application layer protocol;
C1. after the facility registration success, this equipment is sent out the device service register requirement to door gateway again;
D1. after door gateway is received, send out the response of device service register requirement, in database, preserve the type and the relevant information of this service simultaneously to this equipment.
The equipment shared network resource further comprises:
A2. need the housed device A of shared network resource to initiate the service search request to door gateway;
B2. after door gateway is received, send out service search request response by the service search service in the application layer protocol to this housed device A, simultaneously in database, search satisfactory housed device B according to institute's requested service type, if find, then the related service information with housed device B sends to this housed device A;
C2. after this housed device A receives, initiate the service renting request to door gateway;
D2. after door gateway is received lease request, judge according to the Service Properties of housed device B whether housed device A can rent, if can, then send out and allow to rent response to housed device A;
E2. after housed device A obtains the right of using service, after housed device B initiates service invocation request, obtains the response of housed device B, the service that housed device A promptly uses housed device B to be provided.
A kind of door gateway is applicable to digital home network, comprises at least: the internal communication interface module is used to realize the broadband interconnection of digital home network internal domestic equipment; The external communication interface module is used to realize the broadband access of digital home network; Memory and flush bonding processor; It is characterized in that in memory, further being provided with: Registering modules, when a housed device inserts digital home network,, and store the related data information of this equipment for it carries out facility registration and service registry; Service module, when family expenses device request shared network resource, the equipment that is fit to according to the device attribute information searching in request type and the database, and lookup result fed back to this housed device.
Wherein, the software systems of being deposited in the memory further comprise: basic communication protocol stack layer is used to the consensus standard that provides relevant; Application layer protocol is used to provide device management protocol and service management agreement to housed device; The application software layer is used to dispose the upgrading of the parameter and the door gateway software systems of door gateway.
In the such scheme, can further comprise the communication expansion module, be used to connect the communication interface card of expansion, this communication expansion module can connect wired or wave point communication expansion card.Described memory is flash memory (Flash) memory.Described external network interface is Ethernet (Ethernet) or xDSL or cable modem (Cable Modem).Described internal network interface is Ethernet or HomePNA or HomeRF or IEEE802.11 or IEEE1394 or Bluetooth.
Therefore, method and the implement device thereof that utilizes door gateway to realize the equipment room interconnection provided by the present invention has following advantage and characteristics:
1) because door gateway of the present invention has the communication expansion module, can insert expansion interface card arbitrarily at any time, realize the broadband access of distinct interface neatly, thereby make this door gateway can adapt to diverse network interconnection environment, satisfy the requirement of user's heterogeneous networks interface.
2) in the memory of door gateway, store the software systems that are specifically designed to network resource management, each equipment can be by facility registration and service registry access network, and storage related data, afterwards, when needing apparatus interconnection or shared network resource again, only need in door gateway, to search corresponding apparatus data and attribute, get final product complete operation, realized dynamic group net and resource-sharing effectively fully.
3) by door gateway Internet resources are carried out unified management and scheduling, more convenient user is set up home network, and realizes various outside accesses.
4) no matter the present invention realizes adopting the modularized design thinking in the still software realization at hardware, and so production and the use for door gateway provides great flexibility.
Description of drawings
Fig. 1 is the hardware system structure block diagram of door gateway of the present invention;
Fig. 2 forms structure chart for the software module in the door gateway of the present invention;
Fig. 3 is a concrete application implementation illustration of door gateway of the present invention;
Fig. 4 realizes the process chart of facility registration for adopting door gateway of the present invention;
Fig. 5 realizes the process chart of equipment room intercommunication for adopting door gateway of the present invention.
Embodiment
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
The hardware configuration of door gateway of the present invention in realization as shown in Figure 1, similar with broadband door gateway commonly used, at least comprise a plurality of internal communication interface modules, a plurality of external communication interface module, internal memory, memory, flush bonding processor, different is: the present invention also comprises a communication expansion module, come out by expansion on the mainboard, for the user provides the communication expansion interface, the network interfaces different for the door gateway flexible adaptation provide convenience.Among Fig. 1, various external communication interface modules are used to provide multiple external network interface, as Ethernet, and xDSL, Cable Modem etc.; Various internal communication interface modules are used to provide multiple internal network interface, as Ethernet, and HomeRF, HomePNA, 802.11 etc.; All operations are controlled and handled to flush bonding processor as the processing center of door gateway; Memory is used to store systems soft ware and some user data of door gateway, and this systems soft ware comprises some special application layer protocols, is exclusively used in the resource management and the apparatus interconnection of digital home network; And basic communication protocol stack, be used to the consensus standard that provides relevant; Also comprise application software, be used to dispose the upgrading of the parameter and the door gateway software systems of door gateway.From the function treatment angle, these software systems can be divided into registration again and serve two big modules, are respectively facility registration and shared network resource provides service.This memory can adopt the Flash memory.
The central role of door gateway is: realize the shared online of multiple devices, say further to be exactly, internally realize the interconnection between the family digital network internal various kinds of equipment, externally realize the shared broadband access of multi-class device.Door gateway can be supported broadband access waies such as Ethernet, xDSL, Cable Modem according to specific digital home network applied environment; And, can support digital home network interconnect standards such as Ethernet, HomeRF, HomePNA, 802.11, IEEE1394, Bluetooth, Lonworks, CAN.
Communication expansion module provided by the present invention makes network interface have scalability, because there is bigger personalized difference in the equipment network of household internal, the equipment interface that needs in the different home to insert has nothing in common with each other; And different building broadband access interfaces is also very inequality.In order to make door gateway in use possess greater flexibility, on the basis that meets the home network interconnect standard, door gateway has increased the communication expansion module, and this module externally provides unified interface type, such as PCMCIA, USB etc.By this communication expansion module, when the network interface of the current configuration of door gateway can not satisfy customer requirements, can in the expansion interface that the communication expansion module provides, insert the communication expansion card and realize network insertion.The communication expansion card can be considered external communication interface module, and it links to each other with door gateway by the unified interface that the communication expansion module provides, and links to each other with outside or internal network by the network interface on the communication expansion card.In order to support communication expansion card operate as normal, the user need upgrade to the systems soft ware of door gateway, so that the corresponding network interface of door gateway support.So, door gateway can satisfy the network insertion demand of different user easily.
Give an example: at present, the family of a large number of users all has many wireless devices to need interconnection, and the door gateway of current use does not have wave point, but this door gateway has the communication expansion module.So, this moment, the user can expand door gateway by the communication expansion card with wave point.Detailed process is such: at first, this wireless communication interface card is inserted in the unified interface that door gateway communication expansion module provides, by the software upgrading interface in the door gateway application software systems soft ware is upgraded then, increase the driving and the management of relevant wireless communication interface card.Afterwards, the system of upgrading can support wireless communication interface card operate as normal, and therefore, the door gateway after the expansion just can have been realized wireless networking.
The software of door gateway is formed structure as shown in Figure 2, is the relation of a layering.As can be seen from Figure 2, device drives and embedded OS are the door gateway running environment that provides the foundation, and door gateway can be based on multiple different embedded hardware platform and embedded OS when specific implementation.Under this running environment, software processing part of the present invention mainly is divided into three layers: basic communication protocol stack 203, be mainly used in inside and external network interface can be worked, this protocol stack is identical with other gateway, comprises agreements such as TCP/IP, PPPoE, L2TP, IPSec.The last layer of basis communication protocol stack 203 is application layer protocols 202, mainly comprises device management protocol and service management agreement, and it makes door gateway possess more management function.Wherein, device management protocol is realized the registration of equipment, and the Service Management agreement realizes the registration of service and searches.Such as: when certain equipment during to door gateway initiating equipment register requirement, that part of agreement that responds this facility registration request promptly is called " facility registration service " in the present invention; Equally, when certain equipment during, respond this service registry request and that part of agreement of searching promptly is called " service registry service " in the present invention to door gateway initiating equipment service registry request.The superiors of door gateway software configuration are application layer softwares 201, the configuration software that mainly comprises door gateway, as: the IP address of door gateway, the network attribute of each port are provided with, and usually, the user carries out necessary configuration by application software to door gateway; Customer upgrade software, by this certain customers' upgrade software, the user can download the recent software assembly of door gateway and upgrades from network.
Based on above-mentioned software and hardware environment, door gateway of the present invention can be realized following function:
1) internal unit is interconnected: the interconnected and information sharing between the information of realization household internal distinct interface standard, amusement, the communication apparatus, as Ethernet, IEEE802.11, Bluetooth, IEEE1394, HomePNA etc., this function is to realize by various internal communication interfaces among Fig. 1 and the basic communication protocol stack among Fig. 2.
2) external network inserts: support various broadband access methods, as FTTH, DSL, Cable Modem etc.; Simultaneously can compatible various base band access waies, as ISDN, Modem etc. V.90, this function is to realize by various external communication interface among Fig. 1 and the basic communication protocol stack among Fig. 2.
3) security access management: to carrying out identification and security control from household internal or outside user, prevent that the disabled user from invading home network, and then handle various home equipments or steal Various types of data information, this function is to realize by the application layer protocol among Fig. 2.
4) internal resource management: the equipment of digital home network inside and the service on this equipment are organically managed, made the intelligence interconnection of equipment room and resource-sharing become possibility, this function is to realize by the application layer protocol among Fig. 2.
Fig. 3 is used for a specific embodiment of digital home network for door gateway of the present invention.As shown in Figure 3, in the present embodiment, door gateway realizes that by the ADSL mode external the Internet inserts.Housed devices such as home server, blue information household electrical appliances, VOD program request terminal, control gateway are linked into door gateway by wired Ethernet, and equipment such as PDA, wireless terminal insert door gateway by 802.11b.In the present embodiment, door gateway provides facility registration and service index function in the home network scope, with interconnection and interflow and the resource-sharing that realizes housed device in this digital home network as the asset management device in the home network platform.
Referring to shown in Figure 4, when new equipment A will add in the digital home network, comprise the steps: at least
1) device A is at first to door gateway initiating equipment register requirement;
2) after door gateway is received this request, handle and make response by the facility registration service in the application layer protocol, promptly send out facility registration request response to device A, simultaneously the corresponding data of device A is saved in the database, this database is arranged in the memory of door gateway;
3) after facility registration success, this equipment needs further self service registry to door gateway, and promptly device A is sent out the device service register requirement to door gateway;
4) after door gateway is received, send out device service register requirement response to device A, preserve the type and the relevant information of this service simultaneously in database, afterwards, door gateway can manage the facility information and the information on services thereof of this device A of being registered.
Give an example, certain user uses the PDA handheld device, because door gateway is set to asset management device in advance in PDA, so, when this PDA entered digital home network scope shown in Figure 3, it was set up basic network with door gateway earlier and is connected, then, this PDA will be to door gateway initiating equipment register requirement, after door gateway is received request, makes sound to PDA and to answer simultaneously that this PDA is the relevant facility information of message to store in the database of door gateway.Afterwards, PDA can be further with self service registry to door gateway.As seen, this user's PDA need not any configuration when entering the digital home network scope, can add digital home network, and then has resource in resource or the shared network for network provides.
When certain device A that is arranged in digital home network need be used the service that miscellaneous equipment provides, as shown in Figure 5, comprise the steps: at least
1) this device A is at first initiated the service search request to door gateway;
2) after door gateway is received, by the service search service in the application layer protocol make the response and handle, that is: door gateway is sent out service search request response to device A, simultaneously according to institute's requested service type, in local data base, search for, find that the equipment B in the digital home network meets the requirements, and then sends to device A to the related service information of this equipment B;
3) after device A is received, promptly initiate the service renting request to door gateway;
4) after door gateway is received lease request, judge according to the Service Properties of equipment B whether device A can rent, if can, then door gateway sends to device A and allows to rent response message;
5) after device A is obtained the right of using service, promptly initiate service invocation request to equipment B;
6) obtain the response of equipment B after, the service that device A can use equipment B to provide.
Finish document with WebPAD by door gateway and print to example, when WebPAD need print document, it initiated the print service search request to door gateway earlier; Door gateway finds that by retrieving home server possesses printing function in local data base, then the relevant information with home server returns to WebPAD; WebPAD and then initiate the service renting request to door gateway, door gateway determines that by the Service Properties of checking home server WebPAD has the right to rent print service, then allows to use message to the WebPAD feedback; WebPAD promptly initiates the service renting request to home server after obtaining the service right to use, obtain the response of home server after, just use home server to finish the printing that WebPAD goes up document.
For communicating by letter between the interoperability that realizes equipment room and housed device and the door gateway, all need to possess the application corresponding layer protocol on all housed devices that in digital home network, link to each other, so that carry out interactive communication each other with door gateway.
Certainly, between the housed device or the prerequisite that can intercom mutually between housed device and the door gateway be: between them, set up physical connection earlier, such as: connect by mode such as wired, wireless, infrared, and then further set up logic by communicating news and connect.
In a word, under the support of door gateway of the present invention, housed device need not any configuration, just can add digital home network automatically; Simultaneously, equipment can be shared the function of miscellaneous equipment easily.As seen, by door gateway of the present invention, the establishment of digital home network and the management of equipment become simpler, and the resource of various kinds of equipment obtains fully shared, thereby have given full play to the superior part of overall digital home network platform.
Claims (10)
1, a kind of method of utilizing door gateway to realize the equipment room interconnection is connecting by the internal communication interface between family expenses equipment and the door gateway and between the housed device, it is characterized in that:
When a housed device inserted digital home network, this housed device carried out facility registration and service registry to door gateway, and stored the related data information of this equipment in door gateway;
When a housed device needed shared network resource, this housed device was sent out request to door gateway, the equipment that is fit to according to the device attribute information searching in request type and the database by door gateway, and lookup result fed back to this housed device.
2, method according to claim 1 is characterized in that the equipment access further comprises:
A1. the housed device that will insert is to door gateway initiating equipment register requirement;
B1. after door gateway is received this request, send out facility registration request response to this equipment, simultaneously the corresponding data of this equipment is saved in the database by the facility registration service in the application layer protocol;
C1. after the facility registration success, this equipment is sent out the device service register requirement to door gateway again;
D1. after door gateway is received, send out the response of device service register requirement, in database, preserve the type and the relevant information of this service simultaneously to this equipment.
3, method according to claim 1 is characterized in that the equipment shared network resource further comprises:
A2. need the housed device A of shared network resource to initiate the service search request to door gateway;
B2. after door gateway is received, send out service search request response by the service search service in the application layer protocol to this housed device A, simultaneously in database, search satisfactory housed device B according to institute's requested service type, if find, then the related service information with housed device B sends to this housed device A;
C2. after this housed device A receives, initiate the service renting request to door gateway;
D2. after door gateway is received lease request, judge according to the Service Properties of housed device B whether housed device A can rent, if can, then send out and allow to rent response to housed device A;
E2. after housed device A obtains the right of using service, after housed device B initiates service invocation request, obtains the response of housed device B, the service that housed device A promptly uses housed device B to be provided.
4, a kind of door gateway is applicable to digital home network, comprises at least: the internal communication interface module is used to realize the broadband interconnection of digital home network internal domestic equipment; The external communication interface module is used to realize the broadband access of digital home network; Memory and flush bonding processor; It is characterized in that in memory, further being provided with:
Registering modules when a housed device inserts digital home network, for it carries out facility registration and service registry, and is stored the related data information of this equipment;
Service module, when family expenses device request shared network resource, the equipment that is fit to according to the device attribute information searching in request type and the database, and lookup result fed back to this housed device.
5, door gateway according to claim 4, the software systems that it is characterized in that in the memory being deposited further comprise:
Basis communication protocol stack layer is used to the consensus standard that provides relevant;
Application layer protocol is used to provide device management protocol and service management agreement to housed device;
The application software layer is used to dispose the upgrading of the parameter and the door gateway software systems of door gateway.
6, door gateway according to claim 4 is characterized in that this device further comprises: be used to connect the communication expansion module of expanding communication interface card.
7, door gateway according to claim 6 is characterized in that: described communication expansion module can connect wired or wave point communication expansion card.
8, door gateway according to claim 4 is characterized in that: described memory is flash memory (Flash) memory.
9, door gateway according to claim 4 is characterized in that: described external network interface is Ethernet (Ethernet) or xDSL or cable modem (Cable Modem).
10, door gateway according to claim 4 is characterized in that: described internal network interface is Ethernet or HomePNA or HomeRF or IEEE802.11 or IEEE1394 or Bluetooth.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021296553A CN1172495C (en) | 2002-09-06 | 2002-09-06 | Method for realizing interconnection between devices by using door gateway and its realizing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021296553A CN1172495C (en) | 2002-09-06 | 2002-09-06 | Method for realizing interconnection between devices by using door gateway and its realizing equipment |
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| CN1481125A true CN1481125A (en) | 2004-03-10 |
| CN1172495C CN1172495C (en) | 2004-10-20 |
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| CNB021296553A Expired - Fee Related CN1172495C (en) | 2002-09-06 | 2002-09-06 | Method for realizing interconnection between devices by using door gateway and its realizing equipment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100481823C (en) * | 2006-04-13 | 2009-04-22 | 中山大学 | Intermediate unit for home network and device interconnecting-interoperating method |
| CN101917314A (en) * | 2010-07-30 | 2010-12-15 | 中山大学 | Digital family data processing method and middleware system |
| CN101212384B (en) * | 2006-12-31 | 2011-04-20 | 华为技术有限公司 | Method, system, and equipment for implement home network interconnection |
| CN101073232B (en) * | 2005-02-21 | 2011-12-21 | 中兴通讯股份有限公司 | Communication system and its interconnecting method |
| CN101867508B (en) * | 2006-12-31 | 2012-04-04 | 华为技术有限公司 | Method, system and device for realizing home network interconnection |
| CN103379107A (en) * | 2012-04-26 | 2013-10-30 | 中兴通讯股份有限公司 | Method and device for sharing network device capacity and network devices |
| CN103687093A (en) * | 2013-12-30 | 2014-03-26 | 江苏联宏自动化系统工程有限公司 | Lonworks wireless router |
| CN104065684A (en) * | 2013-03-21 | 2014-09-24 | 联想(北京)有限公司 | Information processing method, electronic device and terminal device |
| CN105634783A (en) * | 2014-11-07 | 2016-06-01 | 北京海尔广科数字技术有限公司 | Equipment service calling method and device based on Alljoyn gateways |
| CN106341862A (en) * | 2015-07-07 | 2017-01-18 | 联发科技股份有限公司 | Method and device for sharing a service among multiple devices |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100739716B1 (en) | 2005-08-11 | 2007-07-13 | 삼성전자주식회사 | Method and apparatus for controlling the networking of shared resources |
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2002
- 2002-09-06 CN CNB021296553A patent/CN1172495C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101073232B (en) * | 2005-02-21 | 2011-12-21 | 中兴通讯股份有限公司 | Communication system and its interconnecting method |
| CN100481823C (en) * | 2006-04-13 | 2009-04-22 | 中山大学 | Intermediate unit for home network and device interconnecting-interoperating method |
| CN101212384B (en) * | 2006-12-31 | 2011-04-20 | 华为技术有限公司 | Method, system, and equipment for implement home network interconnection |
| CN101867508B (en) * | 2006-12-31 | 2012-04-04 | 华为技术有限公司 | Method, system and device for realizing home network interconnection |
| CN101917314A (en) * | 2010-07-30 | 2010-12-15 | 中山大学 | Digital family data processing method and middleware system |
| WO2013159420A1 (en) * | 2012-04-26 | 2013-10-31 | 中兴通讯股份有限公司 | Network device, network device capability sharing method and device |
| CN103379107A (en) * | 2012-04-26 | 2013-10-30 | 中兴通讯股份有限公司 | Method and device for sharing network device capacity and network devices |
| CN104065684A (en) * | 2013-03-21 | 2014-09-24 | 联想(北京)有限公司 | Information processing method, electronic device and terminal device |
| CN104065684B (en) * | 2013-03-21 | 2019-03-08 | 联想(北京)有限公司 | Information processing method, electronic equipment and terminal device |
| CN103687093A (en) * | 2013-12-30 | 2014-03-26 | 江苏联宏自动化系统工程有限公司 | Lonworks wireless router |
| CN103687093B (en) * | 2013-12-30 | 2016-07-06 | 江苏联宏自动化系统工程有限公司 | Lonworks wireless router |
| CN105634783A (en) * | 2014-11-07 | 2016-06-01 | 北京海尔广科数字技术有限公司 | Equipment service calling method and device based on Alljoyn gateways |
| CN105634783B (en) * | 2014-11-07 | 2019-10-25 | 海尔优家智能科技（北京）有限公司 | Equipment service calling method and device between a kind of gateway based on Alljoyn |
| CN106341862A (en) * | 2015-07-07 | 2017-01-18 | 联发科技股份有限公司 | Method and device for sharing a service among multiple devices |
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| CN1172495C (en) | 2004-10-20 |
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