CN101645887B - Protocol conversion module and inter-network calling method between IMS network and family network - Google Patents
Protocol conversion module and inter-network calling method between IMS network and family network Download PDFInfo
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- CN101645887B CN101645887B CN200910082661A CN200910082661A CN101645887B CN 101645887 B CN101645887 B CN 101645887B CN 200910082661 A CN200910082661 A CN 200910082661A CN 200910082661 A CN200910082661 A CN 200910082661A CN 101645887 B CN101645887 B CN 101645887B
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Abstract
The invention provides a protocol conversion module between an IMS network and a family network, the IMS network is a mobile network which uses an SIP protocol, the protocol conversion module comprises a mobile device recording module, a family network device recording module and a mapping conversion module, wherein, the mobile device recording module is used for recording ID, address, interested services and the services which can be provided of a mobile device, the family network device recording module is used for recording the ID, the address, the interested services and the services which can be provided of a family network device, and the mapping conversion module is used for forming mapping between the action of the family network device and message type in the SIP protocol and carrying out protocol conversion according to the mapping. The invention further provides the corresponding inter-network calling method between the ISM network and the family network. The protocol conversion module and the calling method are transparent for the existing family network protocol and the mobile device and can be forward-compatible.
Description
Technical field
The present invention relates to IMS network field and field of home networks, specifically, the present invention relates to a kind of Session Initiation Protocol of IMS network and the inter-network call method between the protocol conversion module between home-network protocols and IMS network and home network.
Background technology
Along with the development of intelligent home network, and the IMS network is the spreading out rapidly of China, and the mobile device in IMS (IP MultimediaSubsystem) network and the inter-network interoperability of home network device become an important directions of household intelligent networkization.The interoperability of this inter-network brings great convenience for people's life.Such as comparatively ripe now gate inhibition's security protection, intelligent meter data recording etc.The interoperability that interconnects of home network device itself can be provided by home-network protocols, therefore, can realize the interoperability of portable terminal and home network device in the larger context, and just not be confined to specific equipment.Mobile terminal user just can be controlled the equipment in the home network anywhere or anytime like this, and the function of calling the IMS network mobile terminal that home network user also can the aspect.
And existing home-network protocols numerous and complicated, the home-network protocols of multiple main flow is also deposited, and comprises the UPnP agreement of at first being released by Microsoft; By association etc. at first release and successfully application be the IGRS standard of the first 3C international standard of China; Rely on the good agreement of e family of its powerful household electrical appliances market basis release by Haier; Also comprise OGSi, HAVi, Jini, LnCP agreement or the like.Each agreement adopts different separately standards, has stipulated the different techniques details, but each agreement all be with realize the home network internal unit interconnect and interoperability is an elementary object.
It is comparatively general that the present research that is directed against intelligent home network and IMS network equipment interoperability is carried out; Conversion based on UPnP agreement and Session Initiation Protocol is comparatively typically arranged; Based on the conversion of OGSi agreement and Session Initiation Protocol, based on Session Initiation Protocol and X.10 the ubiquitous intelligent space (Ubiquitous smart space) set up of agreement and based on Session Initiation Protocol to the transformation of UPnP agreement etc.Yet these researchs or to certain concrete home-network protocols, or cast aside existing main flow home-network protocols, or changed existing home-network protocols.And at present the present situation of home-network protocols be multiple popular protocol with long-term co-existence, therefore press for a kind of protocol conversion mode that possesses versatility to realize interconnected between IMS network and home network.
Summary of the invention
The purpose of this invention is to provide a kind ofly, and utilize said protocol conversion module to realize the interoperability of IMS mobile network and home network device based on the IMS network Session Initiation Protocol of home gateway and the protocol conversion module between home-network protocols.Said protocol conversion module for the IMS portable terminal, all is transparent for home network device for the user.
For realizing the foregoing invention purpose; Protocol conversion module between IMS network provided by the invention and home network; Said IMS network is to use the mobile network of Session Initiation Protocol; It is characterized in that said protocol conversion module comprises mobile device logging modle, home network device logging modle and mapping modular converter; Said mobile device logging modle, be used to write down mobile device ID, address, the interested service and the service that can provide; Said home network device logging modle, be used to write down home network device ID, address, the service feeling emerging service of getting and can provide; Said mapping modular converter is used between the type of message of the equipment behavior of home network and Session Initiation Protocol, forming mapping, and carries out the conversion of agreement according to said mapping.
Wherein, in the said protocol conversion module, the equipment behavior of said home network comprises: equipment adding, device discovery, equipment issue, Equipment Control, event subscription and equipment leave.
Wherein, in the said protocol conversion module, said mapping comprises: the equipment issue of home network is mapped as the MESSAGE message in the Session Initiation Protocol; The Equipment Control of home network is mapped as the DO message in the Session Initiation Protocol; The event subscription of home network is mapped as the SUBSCRIBE message in the Session Initiation Protocol; And the equipment of home network added and equipment leaves the REGISTER message that all is mapped as in the Session Initiation Protocol, judge with the Expire field in the REGISTER message whether said REGISTER message is that equipment leaves.
Wherein, the device discovery of home network is mapped as the REGISTER message in the Session Initiation Protocol, the Contact field of said REGISTER message comprise said device discovery initiating equipment the information of service interested.
Wherein, in the said protocol conversion module, the equipment of home network added be mapped as sky.
The present invention also provides a kind of and has called the method for mobile device based on the home network device inter-network of said protocol conversion module, and said protocol conversion module is installed in the home gateway, comprises the steps:
1) mobile device sends REGISTER message to home gateway, and home gateway is the guard address that said mobile device distributes the one family network, and upgrades said mobile device logging modle; Carry in the said REGISTER message said mobile device the information of service interested;
2) mobile device carries out service distribution with MESSAGE message to home gateway, and home gateway carries the information that said mobile device can provide service according to the said mobile device logging modle of said MESSAGE information updating in the said MESSAGE message;
3) home gateway captures the device discovery messages of home network device, and traversal mobile device logging modle finds the mobile device that can mate the home network device demand;
4) home gateway is with the device discovery messages of the said home network device of guard's address response of said mobile device;
5) said home network device sends the Equipment Control order to the guard address, is caught by home gateway, and transmits to mobile device with DO message.
The method that said home network device inter-network is called mobile device also comprises the steps:
6) after said mobile device is received DO order, the execution result of return command, at last by home gateway with the mode of event notice to main control device notification implementation status.
The present invention also provides a kind of and has called the method for home network device based on the mobile device inter-network of said protocol conversion module, and said protocol conversion module is installed in the home gateway, comprises the steps:
1) mobile device sends REGISTER message to home gateway, and home gateway is the guard address that said mobile device distributes the one family network, and upgrades said mobile device logging modle; Carry in the said REGISTER message said mobile device the information of service interested;
2) after home network device adds home network, carry out the equipment issue, home gateway upgrades said home network device logging modle, and according to the information in the said mobile device logging modle, finding maybe be to the interested mobile device of said home network device;
3) home network device is announced the service that this home network device can provide with MESSAGE message to said mobile device;
4) said mobile device sends SUBSCIRIBE message to gateway, and said SUBSCIRIBE message is carried ordered incident;
5) home gateway is subscribed at family's network internal initiated event with the guard address of said mobile device, after capturing corresponding event notice, notifies said mobile device with NOTIFY;
6) mobile device sends the DO order to home gateway after obtaining the event notice of home network device, specifies said home network device to accomplish the function of appointment.
The method that said mobile device inter-network is called home network device also comprises the steps:
7) said home gateway is controlled to the home network device initiating equipment of appointment with the guard address of mobile device, and monitors performance;
8) said home gateway is with ACK message or the error response message performance to the mobile device notification service.
Compared with prior art; The present invention has following technique effect: (1) is transparent for existing home-network protocols; Do not change existing home-network protocols, household equipment need not distinguished and control oneself that what carry out interoperability is household equipment or portable terminal; (2) be transparent for mobile device, the portable terminal among the present invention only need know and oneself carry out interoperability with certain home network device, and what need not know that this household equipment uses is any home-network protocols.(3) compatible forward; This method does not change existing home-network protocols; And for the Session Initiation Protocol in the IMS network; What use in this method is the message of Session Initiation Protocol type, only need expand some header field in the message, and the extensibility of Session Initiation Protocol has just guaranteed that this method can not influence the normal use of existing SIP portable terminal like this.
Description of drawings
Fig. 1 the present invention program's protocol conversion sketch map;
Fig. 2 the present invention program's typical application scene 1;
Fig. 3 the present invention program's typical application scene 2.
Specific embodiments
Embodiment
Present embodiment provides the protocol conversion module between a kind of IMS network Session Initiation Protocol and home-network protocols, and utilizes said protocol conversion module to carry out the method for two internetwork device interoperability.
Said protocol conversion module can be the part of home gateway, and this protocol conversion module is divided into the equipment addressing with the home network device behavior, and equipment adds/leaves, device discovery, equipment issue, Equipment Control and event subscription (being the incident asynchronous notifications).
Said protocol conversion module comprises mobile device logging modle, home network device logging modle and mapping modular converter.Said mobile device logging modle and home network device logging modle can realize with the mode of database.
Said mobile device logging modle is safeguarded a mobile device chained list.In the said mobile device chained list, need recording equipment ID, in order to distinguish different equipment; The sip address of mobile device, mobile device interested service in home network, the service that mobile device can provide and mobile device events subscribed.
Said home network device logging modle is safeguarded one family network equipment chained list.In the said home network device chained list, need the employed home-network protocols of recording equipment, equipment the service that can provide of interested service and equipment.Equipment interested service and the equipment type service that can provide various, be example with typical home network device STB, the service that STB can provide comprises: cable TV and video request program etc.; And STB interested service comprise: the services relevant such as switch of the switch of parlor illuminating lamp and parlor subwoofer with the STB video playback.
Said mapping modular converter is used for shining upon the type of message of the equipment behavior of home network and Session Initiation Protocol, and further carries out the conversion of agreement according to type of message mapping and device attribute.
With reference to figure 1, on concrete the realization, the said mobile device logging modle of present embodiment and said home network device logging modle are by realizing in the device databases.And said mapping modular converter comprises mapping ruler storehouse and protocol converter.Said mapping ruler storehouse is used for storing the mapping ruler between the type of message of equipment behavior and Session Initiation Protocol of home network; Said protocol converter is used for realizing protocol conversion according to said mapping ruler.
The equipment behavior of home-network protocols and Session Initiation Protocol message mapping method are specific as follows:
The equipment addressing.Equipment in the home network need utilize DHCP or Auto-IP to obtain Intranet IP available in the one family network at the adding home network, and portable terminal need be concerned about the concrete addressing process of household equipment.In like manner household equipment need be concerned about the position fixing process of portable terminal in home network yet.Therefore, the addressing of household equipment action need not be mapped as Session Initiation Protocol.
Device discovery.Device discovery be the control point seek its device motion of service interested.Device discovery action in home-network protocols realizes that through message being multicasted to a normal address and port what message body was adopted is agreements such as SSDP agreement, SSDP Extended Protocol.Portable terminal utilizes the REGISTER message in the Session Initiation Protocol to announce interested service of institute or equipment to home gateway in this method.Method is following: in the Contact of REGISTER message field, add the description to the interested service of institute, description comprises service name and COS.Portable terminal need send REGISTER message once more and give home gateway when required service changes, the announcement changes in demand is carried out device discovery.After receiving the device discovery message of portable terminal,, portable terminal is carried out service distribution with MESSAGE message according to the household network equipment information of being grasped.
The equipment issue.The service that needs initiatively can provide to the control point issue when equipment newly added network; The service distribution action of home network device realizes through message being multicasted to a normal address and port; What message body was adopted is agreements such as SSDP agreement, GENA agreement.Portable terminal utilizes the MESSAGE message in the Session Initiation Protocol to carry out service distribution to home gateway in the present embodiment.Following to the MESSAGE extension of message: it is HomeService/xml that the Content-Type header field is set, the content of description messages and message format.The specific descriptions of MESSAGE message body for service are set, adopt the xml form, specific descriptions comprise service list, title of each service (actionName) and corresponding parameters tabulation (argumentList) and service state table (serviceStateTable).
Equipment Control.Required function is accomplished through Equipment Control action control appliance in the control point, and the device control message in the home network all is to describe through soap protocol, and is transmitted by HTTP.Home gateway sends DO message to portable terminal in the present embodiment, transmits the Equipment Control order of household equipment to portable terminal; Portable terminal is also through sending DO message to home gateway, and by home gateway to target household equipment forwarding unit control messages.Following to the DO extension of message: it is HomeControl/xml that the Content-Type header field is set, the content of description messages and message format.The specific descriptions of DO message body for service are set, adopt the soap protocol form, SOAP Body indicates the service name actionName of control appliance completion and the parameter title argumentName that relates to.
Event subscription is that a kind of asynchronous notifications of incident mechanism is provided between the equipment, in Session Initiation Protocol, has also defined similar function, SUBSCRIBE/NOTIFY.For and device discovery, the Equipment Control form is consistent, and SUBSCRIBE message is expanded: it is Content-Type:HomeSubscribe/xml that the Content-Type header field is set; Contact header field is set perhaps is the sip address of portable terminal in the mobile network for the URL address of ordered service in home network; Allow-Events and Event header field are the events subscribed state.SUBSCRIBE message body specifies ordered incident, with xml format description incident, comprises Service events (actionName), parameter state (argumentList) and service state table (serviceStateTable) when incident takes place.
Equipment adds/leaves.When equipment adds network, need carry out the declaration that equipment adds by all devices in network, the concrete realization is to adopt multicast device to add message to realize to specific address and port.Add network for mobile device, the REGISTER message of employing standard in home gateway transmission Session Initiation Protocol realizes.When leaving home network, equipment need carry out the declaration that equipment leaves in the control point in network.The concrete realization is that the multicast device deferred information is realized to specific address and port, message body be employing be SSDP or SSDP Extended Protocol.REGISTER message in this method in the mobile device use Session Initiation Protocol is to home gateway notification device off-line.Concrete grammar is following: be made as 0 to the value of the Expire field in the REGISTER message, the expression portable terminal leaves home network.
The IMS network that present embodiment provided and the modular converter of home-network protocols; Preferably resolve the problem of IMS portable terminal and home network device interoperability; And accomplished that protocol conversion is for portable terminal; For the transparency of home network device, and the forward compatibility of assurance Session Initiation Protocol.
The protocol conversion sketch map of present embodiment is as shown in Figure 1, at the protocol conversion module of home gateway, is responsible for receiving the message from IMS network and home network, and carries out protocol conversion according to the mapping ruler of database and agreement.The association attributes that has comprised portable terminal and home network terminal in the database.The device id, movable address, guard address, interested service, the service that can provide and the events subscribed that comprise portable terminal; The device description of home network device and service describing.Mapping ruler has been stipulated the mapping relations of home-network protocols and IMS procotol.Particularly, device discovery is corresponding to the REGISTER message of SIP; Service distribution is corresponding to the MESSAGE message of SIP; Equipment Control is corresponding to the DO message of SIP; The incident asynchronous notifications of equipment is corresponding to SUBSCRIBE and the NOTIFY of SIP; Equipment leaves, corresponding to the REGISTER message (expire:0) of SIP.Home gateway is according to the attribute of portable terminal and home network device, and the mapping relations of home-network protocols action and sip message are carried out protocol conversion.
In conjunction with the protocol conversion sketch map, the typical application scene of protocol conversion is explained as follows:
Scene one: the home network device inter-network is called mobile device functionality (with reference to figure 2)
(1) mobile device sends REGISTER message to home gateway; And carry its interested service; Home gateway is provided with the device id of this mobile device, the movable address of equipment and the guard address of equipment, and it is added the mobile device chained list for the guard address of its application one family network; Said movable address is meant the sip address of said mobile device in the IMS network; Said guard address is that home gateway is the virtual address that mobile device distributes; Home gateway replaces mobile device to respond the equipment message of other home network device with said virtual address, and this virtual address is exactly an equipment for other equipment.
(2) mobile device carries out service distribution with MESSAGE message to home gateway, and home gateway is provided with the mobile device attribute (the mobile device attribute is meant the service that this mobile device can provide) in the mobile device chained list here.
(3) gateway captures the device discovery messages of home network device, and traversal mobile device chained list finds the portable terminal that can mate the home network device demand.
(4) gateway is with the device discovery messages of guard's address response home network device of this mobile device.
(5) home network device sends the Equipment Control order to the guard address, is caught by home gateway, and transmits to portable terminal with DO message.
(6) after portable terminal is received DO order, the execution result of return command, at last by home gateway with the mode of event notice main control device notification implementation status to home network.
Scene two: the mobile device inter-network is called the function (with reference to figure 3) of home network device
(1) mobile device sends REGISTER message to home gateway; And carry its interested service; Home gateway is the guard address of its application one family network; The attribute (movable address of device id, equipment, the guard address of equipment) of this portable terminal is set, and it is added the mobile device attribute linked-list;
(2) after home network device adds home network, carry out service distribution, home gateway joins the home network device chained list with this home network device, and retrieval mobile device chained list, and finding maybe be to the interested portable terminal of this home network device.(when being water heater like home network device, the mobile device mobile phone maybe be interested in the heating function of water heater, and through its heating of service call control)
(3) said home network device is announced the service that this home network device can provide with MESSAGE message to portable terminal.(can be interpreted as the service that can provide) like the switch of gate inhibition's in the wired home switch, illuminating lamp, the download of PC data etc.
(4) portable terminal sends SUBSCIRIBE message to gateway, and events subscribed is described.
(5) home gateway is subscribed at family's network internal initiated event with the guard address of this portable terminal, after capturing corresponding event notice, notifies to portable terminal at the IMS network with NOTIFY.
(6) portable terminal sends the DO order to gateway after obtaining the event notice of home network device, specifies home network device to accomplish the function of appointment.
(7) home gateway is controlled to the home network device initiating equipment of appointment with the guard address of portable terminal, and monitors performance.
(8) with ACK or error response message performance to the portable terminal notification service.
In the above-mentioned application scenarios, said mobile device mainly is meant portable terminal.
The software architecture of present embodiment is following:
If (packet is from home network)
Switch wraps type
The case device discovery:
Traversal mobile device attribute linked-list find corresponding mobile equipment, and answering equipment is found message; Break;
The issue of case equipment:
According to the attribute of mobile device, selectively issue to the mobile device reporting facility with MESSAGE message
Situation; Break;
The case event subscription:
According to mapping ruler, send the SUBSCRIBE order to corresponding mobile terminal; Break;
The case Equipment Control:
According to mapping ruler, send the DO order to corresponding mobile terminal; Break;
The case event notice:
According to mapping ruler, send NOTIFY to corresponding mobile terminal; Break;
Case equipment leaves:
From database, remove this home network device, and with error message reply from the IMS network with this
Device-dependent message and order; Break;
default：
break；
}
Else if (packet is from the IMS network)
Switch wraps type
case?REGISTER：
From message, resolve the association attributes that obtains mobile device, and be its application one family network guard ground
The location deposits the relevant information of mobile device in database; Break;
case?MESSAGE：
From message, resolve the service that equipment can provide that obtains.The data-in storehouse; Break;
case?SUBSCRIBE：
Send event subscription message according to the corresponding device of mapping ruler in home network; Break;
case?DO：
According to the corresponding device transmitting apparatus control command of mapping ruler in home network; Break;
case?NOTIFY：
Send event notice or order performance according to the corresponding device of mapping ruler in home network;
break； case?BYE：
The association attributes of this mobile device is removed from database.break；
default；
break；
}
Claims (9)
1. the protocol conversion module between IMS network and home network; Said IMS network is to use the mobile network of Session Initiation Protocol; It is characterized in that said protocol conversion module comprises mobile device logging modle, home network device logging modle and mapping modular converter; Said mobile device logging modle, be used to write down mobile device ID, address, the interested service and the service that can provide; Said home network device logging modle, be used to write down home network device ID, address, the service feeling emerging service of getting and can provide; Said mapping modular converter is used between the type of message of the equipment behavior of home network and Session Initiation Protocol, forming mapping, and carries out the conversion of agreement according to said mapping.
2. the protocol conversion module between IMS network according to claim 1 and home network; It is characterized in that; In the said protocol conversion module, the equipment behavior of said home network comprises: equipment adding, device discovery, equipment issue, Equipment Control, event subscription and equipment leave.
3. the protocol conversion module between IMS network according to claim 2 and home network is characterized in that, in the said protocol conversion module, said mapping comprises: the equipment issue of home network is mapped as the MESSAGE message in the Session Initiation Protocol; The Equipment Control of home network is mapped as the DO message in the Session Initiation Protocol; The event subscription of home network is mapped as the SUBSCRIBE message in the Session Initiation Protocol; And the equipment of home network added and equipment leaves the REGISTER message that all is mapped as in the Session Initiation Protocol, judge with the Expire field in the REGISTER message whether said REGISTER message is that equipment leaves.
4. the protocol conversion module between IMS network according to claim 2 and home network; It is characterized in that; The device discovery of home network is mapped as the REGISTER message in the Session Initiation Protocol, the Contact field of said REGISTER message comprise said device discovery initiating equipment the information of service interested.
5. the protocol conversion module between IMS network according to claim 2 and home network is characterized in that, in the said protocol conversion module, the equipment of home network added is mapped as sky.
6. one kind is called the method for mobile device based on the home network device inter-network of the said protocol conversion module of claim 1, and said protocol conversion module is installed in the home gateway, it is characterized in that, comprises the steps:
1) mobile device sends REGISTER message to home gateway, and home gateway is the guard address that said mobile device distributes the one family network, and upgrades said mobile device logging modle; Carry in the said REGISTER message said mobile device the information of service interested;
2) mobile device carries out service distribution with MESSAGE message to home gateway, and home gateway carries the information that said mobile device can provide service according to the said mobile device logging modle of said MESSAGE information updating in the said MESSAGE message;
3) home gateway captures the device discovery messages of home network device, and traversal mobile device logging modle finds the mobile device that can mate the home network device demand;
4) home gateway is with the device discovery messages of the said home network device of guard's address response of said mobile device;
5) said home network device sends the Equipment Control order to the guard address, is caught by home gateway, and transmits to mobile device with DO message.
7. home network device inter-network according to claim 6 is called the method for mobile device, it is characterized in that, also comprises the steps:
6) after said mobile device is received DO message, the execution result of return command, at last by home gateway with the mode of event notice to main control device notification implementation status.
8. one kind is called the method for home network device based on the mobile device inter-network of the said protocol conversion module of claim 1, and said protocol conversion module is installed in the home gateway, it is characterized in that, comprises the steps:
1) mobile device sends REGISTER message to home gateway, and home gateway is the guard address that said mobile device distributes the one family network, and upgrades said mobile device logging modle; Carry in the said REGISTER message said mobile device the information of service interested;
2) after home network device adds home network, carry out the equipment issue, home gateway upgrades said home network device logging modle, and according to the information in the said mobile device logging modle, finding maybe be to the interested mobile device of said home network device;
3) home network device is announced the service that this home network device can provide with MESSAGE message to said mobile device;
4) said mobile device sends SUBSCIRIBE message to gateway, and said SUBSCIRIBE message is carried ordered incident;
5) home gateway is subscribed at family's network internal initiated event with the guard address of said mobile device, after capturing corresponding event notice, notifies said mobile device with NOTIFY;
6) mobile device sends DO message to home gateway after obtaining the event notice of home network device, specifies said home network device to accomplish the function of appointment.
9. mobile device inter-network according to claim 8 is called the method for home network device, it is characterized in that, also comprises the steps:
7) said home gateway is controlled to the home network device initiating equipment of appointment with the guard address of mobile device, and monitors performance;
8) said home gateway is with ACK message or the error response message performance to the mobile device notification service.
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| CN102185728B (en) * | 2011-06-10 | 2013-12-25 | 上海志新信息科技有限公司 | Communication system and method with unified management platform |
| CN104639507B (en) * | 2013-11-13 | 2018-04-24 | 中国科学院声学研究所 | A kind of bearing protocol packet data transmission method and system between heterogeneous network |
| CN103823967A (en) * | 2013-12-19 | 2014-05-28 | 中山大学深圳研究院 | IMS (IP multimedia subsystem)-based digital family interactive medical system |
| CN116527733A (en) * | 2022-01-21 | 2023-08-01 | 中国电信股份有限公司 | Differentiated control method, device, equipment and storage of user terminal |
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