CN109300074B - Communication method, system and home subscriber server - Google Patents

Communication method, system and home subscriber server Download PDF

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CN109300074B
CN109300074B CN201710604138.6A CN201710604138A CN109300074B CN 109300074 B CN109300074 B CN 109300074B CN 201710604138 A CN201710604138 A CN 201710604138A CN 109300074 B CN109300074 B CN 109300074B
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terminal
state
home subscriber
subscriber server
real
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CN109300074A (en
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李峰
程涛
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China Telecom Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The invention discloses a communication method, a communication system and a home subscriber server, and relates to the technical field of communication. The invention adds a service platform on the network side, sends a request for changing the terminal state to the home subscriber server, and the home subscriber server informs the terminal to switch between the idle state and the real-time dormant state according to the inconsistency between the self state sent by the service platform and the self state reported by the terminal. The real-time dormant state prolongs the position updating period relative to the idle state, and saves power consumption. Meanwhile, the state of the terminal is controlled by the network side, the real-time dormant state is similar to the idle state, the network side can still wake up the terminal at any time, real-time tracking of the terminal is achieved, the change of the existing communication mechanism is small, and the compatibility is good.

Description

Communication method, system and home subscriber server
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a communication method, a communication system, and a home subscriber server.
Background
In 2016, the logistics of ports in China are rapidly increased, particularly, the container throughput is up to 2 trillion TEU (cargo-foot Equipment Unit, 20 feet long containers are international measurement units), 7 container ports in the first 10 container ports in the world are located in China and around, wherein 3000 TEU are arranged in the first world in the Shanghai port.
At present, the international container transportation mostly adopts a freight agency mode for warehousing, transportation and clearance, and the time of staying in a port is long. Traditional container tracking is dominated by offline node location monitoring. The container has large cargo volume and high value. Real-time tracking and monitoring of containers is of great concern to both owners of goods, forwarders and ship-owners.
The real-time tracking equipment of the container is mostly powered by batteries and needs to be kept for a service life of 6 months to 1 year. Meanwhile, containers continuously enter and exit from ships, docks, customs supervision areas, storage yards, peripheral logistics parks and the like, and in order to save equipment power consumption, the current container real-time Tracking equipment mainly adopts a timing dormancy mechanism, namely the container real-time Tracking equipment is equivalent to a terminal in an IDLE state (IDLE) in a mobile communication technology when in a non-dormancy state, and reports the current position by adopting a position updating mechanism of the current terminal, such as a TAU (Tracking Area Update) or a RAU (Routing Area Update). And the real-time container tracking equipment automatically disconnects all connections with the network when entering a dormant state.
Disclosure of Invention
The inventor finds that the existing dormancy mechanism can not realize the real-time tracking of the container because the container real-time tracking device enters the dormancy state, all connections with the network are automatically disconnected, and the network can not search and contact the container real-time tracking device.
The invention aims to solve the technical problems that: how to realize real-time tracking of the container while saving power consumption.
According to an embodiment of the present invention, there is provided a communication method including: the home subscriber server receives a terminal state change request sent by a service platform; the home subscriber server changes the stored terminal state according to the terminal state changing request; the home subscriber server receives the self state reported by the terminal sent by the mobile management equipment; the home subscriber server sends a state change notification to the terminal through the mobile management equipment under the condition that the self state reported by the terminal is inconsistent with the stored terminal state, so that the terminal can carry out the conversion between an idle state and a real-time dormant state according to the state change notification; wherein, the real-time dormant state is an idle state which prolongs the position updating period.
In one embodiment, the home subscriber server receives a request for changing the terminal status sent by the service platform in case the idle state signaling reduction function of the terminal is activated.
In an embodiment, the home subscriber server receives a terminal state change request sent by the service platform when the idle state terminal does not move for a preset time period, where the terminal state change request includes that the terminal state is changed into a real-time dormant state.
In an embodiment, the home subscriber server receives a terminal state change request sent by the service platform when the real-time dormant state terminal starts moving, wherein the terminal state change request includes that the terminal state is changed into an idle state.
In one embodiment, the self state reported by the terminal is reported by location update; the state change notification is sent by the mobile management device to the terminal through a location update reject message.
In one embodiment, the home subscriber server is a home location register HLR or a home subscriber subscription server HSS; the mobile management equipment is a mobile management entity MME or a serving general packet radio service technology support node SGSN.
According to another embodiment of the present invention, there is provided a home subscriber server including: a state change request receiving unit, configured to receive a terminal state change request sent by a service platform; a state changing unit for changing the stored terminal state according to the terminal state changing request; a state report receiving unit, configured to receive a self state reported by the terminal and sent by the mobility management device; the state change notification unit is used for sending a state change notification to the terminal through the mobile management equipment under the condition that the self state reported by the terminal is inconsistent with the stored terminal state, so that the terminal can carry out the conversion between an idle state and a real-time dormant state according to the state change notification; wherein, the real-time dormant state is an idle state which prolongs the position updating period.
In an embodiment, the state change request receiving unit is configured to receive a terminal state change request sent by the service platform when the idle state signaling reduction function of the terminal is activated.
In an embodiment, the state change request receiving unit is configured to receive a terminal state change request sent by the service platform when the time when the idle state terminal does not move reaches a preset time length, where the terminal state change request includes that the terminal state is changed to a real-time dormant state.
In an embodiment, the state change request receiving unit is configured to receive a terminal state change request sent by the service platform when the real-time dormant terminal starts moving, where the terminal state change request includes that the terminal state is in an idle state.
In one embodiment, the self state reported by the terminal is reported by location update; the state change notification is sent by the mobile management device to the terminal through a location update reject message.
In one embodiment, the home subscriber server is a home location register HLR or a home subscriber subscription server HSS; the mobile management equipment is a mobile management entity MME or a serving general packet radio service technology support node SGSN.
According to still another embodiment of the present invention, there is provided a communication system including: the home subscriber server of any preceding embodiment, further comprising: the service platform is used for sending a request for changing the terminal state to the home subscriber server; and the mobile management equipment is used for sending the self state reported by the terminal to the home subscriber server, receiving the state mismatching message sent by the home subscriber server and sending a state change notification to the terminal, so that the terminal can carry out the conversion between the idle state and the real-time dormant state according to the state change notification.
In an embodiment, the service platform is configured to send a terminal state change request to the home subscriber server when the time when the idle state terminal does not move reaches a preset time duration, where the terminal state change request includes changing the terminal state to a real-time dormant state.
In an embodiment, the service platform is configured to send a terminal state change request to the home subscriber server when the real-time dormant terminal starts moving, where the terminal state change request includes that the terminal state is in an idle state.
The invention adds a service platform on the network side, sends a request for changing the terminal state to the home subscriber server, and the home subscriber server informs the terminal to switch between the idle state and the real-time dormant state according to the inconsistency between the self state sent by the service platform and the self state reported by the terminal. The real-time dormant state prolongs the position updating period relative to the idle state, and saves power consumption. Meanwhile, the state of the terminal is controlled by the network side, the real-time dormant state is similar to the idle state, the network side can still wake up the terminal at any time, real-time tracking of the terminal is achieved, the change of the existing communication mechanism is small, and the compatibility is good.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 shows a flow diagram of a communication method according to an embodiment of the invention.
Fig. 2 shows a flow diagram of a communication method according to another embodiment of the invention.
Fig. 3 shows a flow diagram of a communication method according to a further embodiment of the invention.
Fig. 4 shows a schematic structural diagram of a home subscriber server according to an embodiment of the present invention.
Fig. 5 shows a schematic configuration of a communication system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The scheme is provided for solving the problem that the existing timing dormancy mechanism cannot realize real-time tracking of terminals such as containers.
The present invention provides a method of communication, described below in conjunction with fig. 1.
Fig. 1 is a flow chart of an embodiment of a communication method of the present invention. As shown in fig. 1, the method of this embodiment includes:
step S102, the service platform sends a request for changing the terminal state to the home subscriber server.
The service platform is a network side device, and can provide terminal tracking service for users, such as container tracking, the service platform can display the position information of the terminal in real time for the users to check, the service platform can automatically initiate a request for changing the terminal state, and meanwhile, the users can also initiate a request for changing the terminal state through the service platform. The service platform may set different management authorities for different users, for example, an owner of the terminal may initiate a request for changing the terminal state, whereas an ordinary carrier may not initiate a request for changing the terminal state.
The Home Location Register (HLR) or the Home Subscriber Server (HSS) may be different entity devices in different network systems, but the Home Location Register (HLR) or the HSS has a function of storing Subscriber subscription information and status information, and devices similar to the HLR or the HSS all belong to the protection scope of the Home Location Server of the present invention. The information transmission is realized by setting an interface between the service platform and the home subscriber server.
The request for changing the terminal state may be a request for changing the user subscription data in the home subscriber server, for example, the user may set various service states when registering, and the service platform may implement conversion of various service states. The request for changing the terminal state comprises a terminal identifier and a state identifier.
In an embodiment, the service platform may time the idle state terminal does not move, and send a terminal state change request to the home subscriber server when the time reaches a preset time length, where the terminal state change request includes changing the terminal state to a real-time dormant state.
The real-time sleep state of the terminal prolongs the location update period relative to the idle state, for example, the timer of TAU or RAU is prolonged, the real-time sleep state terminal still performs the behavior of the idle state terminal in the prior art, for example, listening to the system message broadcast, paging, etc., and the network side can wake up the terminal at any time.
Those skilled in the art can understand that the terminal location update procedures of different network systems are different, for example, an LTE (Long Term Evolution) terminal performs TAU, and a GPRS (General Packet Radio Service) terminal performs RAU, which are well known in the art and will not be described herein again.
The terminal does not move for a long time, for example, the container is in a customs supervision area, and the next transportation may need to wait for a long time, at this time, the service platform or the user may actively initiate a request for changing the terminal state to a real-time dormant state through the service platform, and the terminal does not need to frequently perform TAU or RAU, thereby saving signaling overhead and equipment power consumption.
In one embodiment, the service platform sends a terminal state change request to the home subscriber server when the real-time dormant terminal starts moving, wherein the terminal state change request includes that the terminal state is changed to an idle state.
When the terminal starts moving, the terminal needs to be more closely tracked, and thus, the terminal needs to be changed to an idle state.
Step S104, the home subscriber server changes the stored terminal state according to the request for changing the terminal state.
The home subscriber server may authenticate the service platform, for example, receive a user name and a password sent by the service platform to authenticate the service platform, and may change the stored terminal state according to the request for changing the terminal state after the authentication is passed. The terminal status may be stored at the home subscriber server as the content of the subscriber subscription data.
Step S106, the mobile management device sends the self-state reported by the terminal to the home subscriber server, and correspondingly, the home subscriber server receives the self-state reported by the terminal sent by the mobile management device.
Step S106 has no definite sequence with steps S102 to S104.
The Mobility Management device is, for example, an MME (Mobility Management Entity), an SGSN (Serving GPRS Support Node), and the like, and those skilled in the art can understand that devices responsible for Mobility Management in different network systems may be different, but the devices having a Mobility Management function all belong to the protection scope of the present invention.
The self-state reported by the terminal is reported by location update, for example, by TAU or RAU procedure. The terminal reports the self-state information to the mobility management device, and when the mobility management device is an MME, the self-state reported by the terminal is sent to the home subscriber server through, for example, a notification Request (Notify Request) message.
Step S108, the home subscriber server sends a state change notice to the terminal through the mobile management device under the condition that the self state reported by the terminal is inconsistent with the stored terminal state.
The home subscriber server obtains the self state reported by the terminal and compares the self state with the stored terminal state, and if the self state reported by the terminal is not consistent with the stored terminal state, the home subscriber server sends a state change notice to the terminal through the mobile management equipment. For example, when the home subscriber server is the HSS, a notification Response (Notify Response) message is sent to the MME, and the cause field carried in the message is set to diameter-unable-to-complex (diameter cannot be satisfied). Further, the MME initiates a no-EPS-bearer-context-activated message to the UE, for example, where the no-EPS-bearer-context-free message carries an identifier notifying the terminal to change the state.
Step S110, the terminal carries out the conversion between the idle state and the real-time dormant state according to the state change notice.
For example, the terminal receives a no-EPS-bearer-context-activated message sent by the MME, and if it is found that the no-EPS-bearer-context-activated message carries an identifier notifying the terminal of changing the state, the terminal performs a transition between the idle state and the real-time dormant state.
Those skilled in the art can understand that the terminal reports its own state through location update, and the network side can notify the terminal of changing the state through a procedure of rejecting location update.
In the embodiment, the service platform is added on the network side, the request for changing the terminal state is sent to the home subscriber server, and the home subscriber server informs the terminal of switching between the idle state and the real-time dormant state according to the inconsistency between the self state sent by the service platform and the self state reported by the terminal. The real-time dormant state is longer in position updating period than the idle state, and power consumption is saved. Meanwhile, the state of the terminal is controlled by the network side, the real-time dormant state is similar to the idle state, the network side can still wake up the terminal at any time, real-time tracking of the terminal is achieved, the change of the existing communication mechanism is small, and the compatibility is good.
Another embodiment of the communication method of the present invention is described below in conjunction with fig. 2.
Fig. 2 is a flow chart of another embodiment of the communication method of the present invention. As shown in fig. 2, before step S102, the method further includes:
step S201, the terminal activates the idle state signaling reduction function.
The ISR (Idle-state Signaling Reduction) is proposed by 3GPP (3rd Generation Partnership Project) to solve the problem that when an Idle-state terminal moves to and fro a UTRAN (UMTS terrestrial radio access network) boundary and an E-UTRAN (Evolved universal mobile telecommunications system terrestrial radio access network), the process of TAU and RAU is frequently performed, which causes a heavy load in the location update process of the network device and a large power consumption of the terminal.
When ISR is activated, the terminal registers to both MME and SGSN, both MME and SGSN register to HSS, the terminal stores mobility parameters received from MME and SGSN, such as TA list, RA, etc., and the terminal also stores bearer contexts, which are common to UTRAN/GERAN (GSM/EDGE radio access network) and E-UTRAN access systems. The terminal can reselect between the registered UTRAN/GERAN and E-UTRAN cells in the idle state without performing any TAU and RAU with the network.
When the ISR function is enabled, a field is added to the "context request/response/acknowledge" message of the SGSN or MME to indicate the ISR status, where the highest order bit is the reserved bit. The ISR activation process belongs to the prior art and is not described in detail herein.
The method of the above embodiment increases the course of activating the ISR function of the terminal, so that the terminal in an idle state reselects between the UTRAN/GERAN and E-UTRAN cells without performing any TAU and RAU procedures with the network, and further, the real-time dormant state can be used as the third state in the ISR activated state, that is, after the terminal enters the real-time dormant state, not only the location update period is extended, but also the reselection is performed between the UTRAN/GERAN and E-UTRAN cells without performing any TAU and RAU procedures with the network. The method of the embodiment can further reduce the signaling overhead brought by the position updating, reduce the power consumption of the terminal and simultaneously reduce the load of the network in the process of processing the position updating.
A further embodiment of the communication method of the present invention is described below in conjunction with fig. 3. In this embodiment, the camping on E-UTRAN after the terminal activates ISR is taken as an example for description.
Fig. 3 is a flow chart of a communication method according to another embodiment of the present invention. As shown in fig. 3, the method of this embodiment includes:
step S302, the terminal receives a location update receiving message sent by the SGSN, and the message carries an ISR activated identifier.
In this step, for example, the terminal completes attachment at the E-UTRAN first and then activates the ISR terminal by the SGSN in the subsequent RAU process, or the terminal completes attachment at the UTRAN/GERAN first and then activates the ISR by the MME in the subsequent TAU process. Since the ISR activation process belongs to the prior art, it is not described herein in detail.
Step S304, the service platform sends a request for changing the terminal state to the HSS according to the position state of the terminal.
In this embodiment, the terminal resides in E-UTRAN after activating ISR, so the service platform initiates a request to the HSS. The service platform may initiate a request for changing the idle state of the terminal into the real-time sleep state, or may initiate a request for changing the real-time sleep state of the terminal into the idle state. With particular reference to the embodiment of fig. 1.
In step S306, the HSS changes the stored terminal status according to the terminal status change request.
Step S308, the terminal periodically initiates TAU, and the TAU request carries self state information.
Step S310, the MME sends a Notify Request message to the HSS, and carries the status information of the terminal.
In step S312, the HSS receives the Notify Request message, compares the terminal status carried in the Notify Request message with the stored terminal status, and if the terminal status carried in the Notify Request message is consistent with the stored terminal status, executes step S313, otherwise, executes step S314.
In step S313, the HSS transmits an attach accept message to the terminal by sending the attach accept message to the MME.
Steps S308 to S313 and steps S304 to S306 have no fixed order.
In step S314, the HSS returns a Notify Response message to the MME, where the reason field carried in the message is set to diameter-unavailable-to-complex.
Step S316, the MME sends a no-EPS-bearer-context-activated message to the terminal, and puts the highest position 1 of the ISR field in the message.
Step S318, after the terminal receives the no-EPS-bearer-context-activated message, the terminal performs the conversion between the idle state and the real-time dormant state according to the ISR field.
The method of the embodiment realizes the change of the terminal state by improving the updating process of the terminal position in the prior art, has small change to the prior art, is guided by the network side, and can realize the real-time control and tracking of the terminal.
The present invention also provides a home subscriber server, which is described below with reference to fig. 4.
Fig. 4 is a block diagram of an embodiment of a home subscriber server of the present invention. As shown in fig. 4, the home subscriber server 40 includes:
a status change request receiving unit 402, configured to receive a request for changing a terminal status sent by the service platform.
In an embodiment, the state change request receiving unit 402 is configured to receive a terminal state change request sent by the service platform in a case that an idle state signaling reduction function of the terminal is activated.
In an embodiment, the state change request receiving unit 402 is configured to receive a terminal state change request sent by the service platform when the time that the idle state terminal does not move reaches a preset time length, where the terminal state change request includes that the terminal state is changed to a real-time dormant state.
In an embodiment, the state change request receiving unit 402 is configured to receive a terminal state change request sent by the service platform when the real-time dormant state terminal starts to move, where the terminal state change request includes that the terminal state is in an idle state.
A state changing unit 404, configured to change the stored terminal state according to the terminal state change request.
A status report receiving unit 406, configured to receive a status reported by the terminal and sent by the mobility management device.
The self state reported by the terminal is reported by the position updating.
A state change notification unit 408, configured to send a state change notification to the terminal through the mobile management device when the self state reported by the terminal is inconsistent with the stored terminal state, so that the terminal performs a transition between an idle state and a real-time dormant state according to the state change notification.
The state change notification is sent by the mobile management device to the terminal through a location update reject message.
The real-time dormant state is an idle state that extends the location update period.
The home subscriber server is for example a home location register HLR or a home subscriber subscription server HSS, and the mobility management device is for example a mobility management entity MME or a serving general packet radio service technology support node SGSN.
The present invention also provides a communication system, described below in conjunction with fig. 5.
Fig. 5 is a block diagram of one embodiment of the communication system of the present invention. As shown in fig. 5, the system 50 includes: the home subscriber server 40 in any of the preceding embodiments, further comprising:
the service platform 502 is configured to send a request for changing the terminal status to the home subscriber server 40.
In an embodiment, the service platform 502 is configured to send a terminal state change request to the home subscriber server 40 when the time when the idle state terminal does not move reaches a preset time length, where the terminal state change request includes changing the terminal state to a real-time dormant state.
In one embodiment, the service platform 502 sends a terminal state change request to the home subscriber server 40 when the real-time dormant state terminal starts to move, where the terminal state change request includes that the terminal state is in an idle state.
The mobility management device 504 is configured to send the self-state reported by the terminal to the home subscriber server 40, receive a state mismatch message sent by the home subscriber server 40, and send a state change notification to the terminal, so that the terminal performs a transition between an idle state and a real-time dormant state according to the state change notification.
The communication method, the system and the home subscriber server can be applied to the tracking scene of the container, are also suitable for the tracking of various cargoes except the container in the logistics industry, and are also suitable for the tracking scene of various terminals except the logistics industry.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (13)

1. A method of communication, comprising:
a home subscriber server receives a terminal state change request sent by a service platform, wherein the home subscriber server is a Home Location Register (HLR) or a home subscriber subscription server (HSS);
the home subscriber server changes the stored terminal state according to the terminal state changing request;
the home subscriber server receives a self state reported by the terminal sent by a mobile management device, wherein the mobile management device is a Serving GPRS Support Node (SGSN) or a Mobile Management Entity (MME);
the home subscriber server sends a state change notification to the terminal through the mobile management equipment under the condition that the self state reported by the terminal is inconsistent with the stored terminal state, so that the terminal can conveniently carry out the conversion between an idle state and a real-time dormant state according to the state change notification;
when the ISR function is enabled, a field is added in a context request/response/confirmation message of the mobile management equipment for indicating the ISR state, wherein the highest bit is a reserved bit;
wherein, the sending, by the home subscriber server, a state change notification to the terminal through the mobile management device when the self state reported by the terminal is inconsistent with the stored terminal state, so that the terminal performs the transition between the idle state and the real-time dormant state according to the state change notification includes:
the home subscriber server compares the terminal state carried in the notice Request message sent by the mobile management equipment with the stored terminal state, if the terminal state is inconsistent with the stored terminal state, the home subscriber server returns a notice Response message to the mobile management equipment, and the reason field carried by the message is set to have a diameter which cannot meet the diameter-free-to-composition;
the mobile management equipment sends a no-EPS-bearer-context-activated message without an EPS bearer context to the terminal, and the highest position 1 of an ISR field in the message is sent;
and after receiving the no-EPS-bearer-context-activated message, the terminal performs the conversion between the idle state and the real-time dormant state according to the ISR field.
2. The method of claim 1,
and the home subscriber server receives a request for changing the terminal state sent by the service platform under the condition that the idle state signaling reduction function of the terminal is activated.
3. The method of claim 1,
and the home subscriber server receives the terminal state change request sent by the service platform when the time that the idle state terminal does not move reaches the preset time length, wherein the terminal state change request comprises that the terminal state is changed into a real-time dormant state.
4. The method of claim 1,
and the home subscriber server receives the terminal state change request sent by the service platform when the real-time dormant state terminal starts moving, wherein the terminal state change request comprises that the terminal state is changed into an idle state.
5. The method of claim 1, wherein the home subscriber server is a Home Location Register (HLR) or a home subscriber subscription server (HSS);
the self state reported by the terminal is reported by position updating;
the state change notification is sent to the terminal by the mobile management device through a location update reject message.
6. A home subscriber server, comprising:
a state change request receiving unit, configured to receive a terminal state change request sent by a service platform;
a state changing unit for changing the stored terminal state according to the terminal state changing request;
a state report receiving unit, configured to receive a self state reported by the terminal and sent by a mobile management device, where the mobile management device is a serving gprs support node SGSN or a mobile management entity MME;
a state change notification unit, configured to send a state change notification to the terminal through the mobile management device when a state reported by the terminal is inconsistent with the stored terminal state, so that the terminal performs a transition between an idle state and a real-time dormant state according to the state change notification;
when the ISR function is enabled, a field is added in a context request/response/confirmation message of the mobile management equipment for indicating the ISR state, wherein the highest bit is a reserved bit;
the state change notification unit is configured to compare a terminal state carried in a notification Request Notify Request message sent by a mobility management device with a stored terminal state, and if the terminal state is inconsistent with the stored terminal state, the home subscriber server returns a notification Response message to the mobility management device, where a cause field carried in the message is set to have a diameter that cannot satisfy diameter-unable-to-complex, so that the mobility management device sends a no-EPS-bearer-context-activated message to the terminal, sets a highest position of an ISR field in the message to 1, and after receiving the no-EPS-bearer-context-activated message, the terminal performs a conversion between an idle state and a real-time dormant state according to the ISR field.
7. Home subscriber server according to claim 6,
the state change request receiving unit is configured to receive a terminal state change request sent by the service platform when the idle state signaling reduction function of the terminal is activated.
8. Home subscriber server according to claim 6,
the state change request receiving unit is configured to receive a terminal state change request sent by the service platform when the time when the idle state terminal does not move reaches a preset time length, where the terminal state change request includes that the terminal state is changed to a real-time dormant state.
9. Home subscriber server according to claim 6,
the state change request receiving unit is configured to receive the terminal state change request sent by the service platform when the real-time dormant state terminal starts moving, where the terminal state change request includes that the terminal state is changed to an idle state.
10. Home subscriber server according to claim 6,
the self state reported by the terminal is reported by position updating;
the state change notification is sent to the terminal by the mobile management device through a location update reject message.
11. A communication system comprising a home subscriber server according to any of claims 6-10, further comprising:
the service platform is used for sending a request for changing the terminal state to the home subscriber server;
and the mobile management equipment is used for sending the self state reported by the terminal to the home subscriber server, receiving the state mismatching message sent by the home subscriber server and sending a state change notification to the terminal, so that the terminal can carry out the conversion between the idle state and the real-time dormant state according to the state change notification.
12. The system of claim 11,
and the service platform is used for sending the terminal state changing request to the home subscriber server under the condition that the time that the idle state terminal does not move reaches the preset time length, wherein the terminal state changing request comprises the terminal state changing state which is a real-time dormant state.
13. The system of claim 11,
and the service platform is used for sending the terminal state changing request to the home subscriber server under the condition that the real-time dormant state terminal starts to move, wherein the terminal state changing request comprises the state of the terminal which is changed into an idle state.
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