CN110896527B - Method for short message communication between private network and public network - Google Patents
Method for short message communication between private network and public network Download PDFInfo
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- CN110896527B CN110896527B CN201911320388.2A CN201911320388A CN110896527B CN 110896527 B CN110896527 B CN 110896527B CN 201911320388 A CN201911320388 A CN 201911320388A CN 110896527 B CN110896527 B CN 110896527B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention provides a method for short message communication between private network and public network, when a user terminal UE of the private network sends a short message, a S-CSCF of the private network forwards the short message to a SMC of the private network; the private network SMC checks whether the receiving party is registered on the private network SMC, if so, the private network SMC sends a 202 message to the private network S-CSCF, and the private network S-CSCF sends a short message to the receiving party; if not, the private network SMC sends 301 a message to the private network S-CSCF, the private network S-CSCF sends the short message to the public network SMC, and the public network SMC sends the message to the receiving party. When a public network user terminal UE sends a short message, a public network core network sends the short message to a private network SMC; and the private network SMC forwards the short message to a private network S-CSCF, and the private network S-CSCF sends the short message to a receiving party. The invention realizes the purpose of short message communication between the private network and the public network, ensures the continuity of the short message service of the user terminal and improves the service quality of the user.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to a method for short message communication between a private network and a public network.
Background
A private network is a network communication field independent of an existing carrier network, and coexists with the existing carrier network. In order to ensure the security of the private network, the private network is generally deployed in a relatively closed network environment, isolated from the external network. The private network and the public network are isolated from each other, and when the user terminal UE leaves the private network and enters the public network or leaves the public network and enters the private network, the user terminal UE cannot perform short message communication with other user terminals of the network before switching through the switched network. In this case, the UE cannot receive the short message sent by other UEs in the original network, which may reduce the service experience and quality of the user and may cause unpredictable negative impact to the user.
The invention discloses a Chinese patent application with the publication number of CN103108287A, which is named as a multimedia message intercommunication system and an intercommunication method, realizes multimedia message communication between private networks and public networks of a CS domain and a PS domain, but does not relate to short message communication between the private networks and the public networks under an IMS.
The invention discloses a method, a system and a cluster cloud base station for realizing the communication between a private network and a public network interphone, wherein the Chinese patent application publication number is CN105025396A, and the invention name is that a cloud base station technology is introduced, and the cloud base station is deployed at the side of the private network, so that the voice communication between the private network and the public network interphone is realized, but the short message communication between the private network and the public network under the IMS is not involved.
The invention discloses a system and a method for realizing the intercommunication of the same type of mobile networks, which is disclosed by the Chinese patent application with the publication number of CN103841544A, wherein a public network clone user which is completely the same as a private network user is cloned in a public network, so that the roaming intercommunication between the private network and the public network is realized, but the short message communication between an IMS private network and the public network is not mentioned.
Disclosure of Invention
In view of the above, in order to solve the short message communication between the private network and the public network in the prior art, the present invention provides a method for short message communication between the private network and the public network, comprising: the method comprises the steps that a private network user terminal sends a short message;
the step of sending the short message by the private network user terminal comprises the following steps:
step S101, the user terminal registers in the private network short message center to become a private network user terminal;
step S102, a private network user terminal sends a short message;
step S103, the private network S-CSCF forwards the short message content to a private network short message center; the private network short message center checks whether a short message receiver is registered on the private network short message center, if so, the private network short message center sends a first message to a private network S-CSCF, and the private network S-CSCF sends the short message to the receiver; if not, the private network short message center sends the second message to the private network S-CSCF, the private network S-CSCF sends the short message to the public network short message center, and the public network short message center sends the message to the receiver.
Further, the step of registering the user terminal in the private network short message center includes:
step S1011, attaching a private network base station to the user terminal;
step S1012, after the attachment is successful, a registration request is initiated to the private network core network;
step S1013, the private network core network authenticates and authorizes the user terminal, and after the authentication and authorization are successful, the user terminal is successfully registered to the private network core network;
step S1014, the user terminal initiates registration to the private network IMS network through the private network core network, the HSS network element of the private network IMS network authenticates and authenticates the user terminal, and the user terminal is successfully registered to the private network IMS network after the authentication and authentication are successful;
step S1015, the private network S-CSCF network element obtains the identity information and the short message service content of the user terminal from the private network HSS network element, and initiates registration to the private network short message center, and after the registration is successful, the private network short message center returns a S-CSCF200OK message.
Further, the first message is a 202 accepted message.
Further, the second message is a 301 permanent mobile message.
A method for short message communication between private network and public network also includes the step that the public network user terminal sends short message;
the step of sending short messages by the public network user terminal comprises the following steps:
step S201, a public network user terminal sends a short message to a private network user terminal, and a public network core network sends the short message to a private network short message center;
step S202, the private network short message center forwards the short message to a private network S-CSCF;
step S203, the private network S-CSCF sends the short message to the short message receiver.
Furthermore, after the user terminal is registered as a private network user terminal, the user terminal leaves a private network signal coverage area and enters a public network signal coverage area, and the user terminal is registered to a public network short message center again to become a public network user terminal.
The method of the invention realizes the purpose of short message communication between the private network and the public network, ensures the continuity of the short message service of the user terminal UE and improves the service quality of the user.
Drawings
FIG. 1 is a schematic diagram of the steps of a method for sending a short message by a private network user terminal according to the present invention;
FIG. 2 is a schematic diagram of the steps of the method for sending a short message from a public network user terminal to a private network user terminal according to the present invention;
FIG. 3 is a diagram of the short message communication architecture between the private network and the public network according to the present invention;
fig. 4 is a flowchart of the user terminal registering to the private network short message center;
fig. 5 is a flow chart of the private network user terminal sending sms of the present invention;
fig. 6 is a flow chart of the public network user terminal sending the sms to the private network user terminal according to the present invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The present invention is realized based on the IMS architecture, IMS (IP Multimedia subsystem) is an abbreviation of IP Multimedia subsystem, and is formally proposed by the 3gpp (the 3rd Generation Partnership Project) in umts (universal Mobile Telecommunications system) R5 standard edition, which aims to unify the core network to the network structure of the full IP and to realize the fusion of the fixed network and the Mobile communication network, and is the development direction of the next Generation network.
The method comprises the steps that a service-Call Session Control Function (S-CSCF) is in a core Control position in Session Control of the whole IMS core network, a registration request forwarded by a visiting network IMS user through the P-CSCF is received, a basic Session routing Function aiming at a calling end and a called end IMS user is executed, and value-added service routing forwarding to SIP AS/IM-SSF/OSA is carried out when conditions are met.
Under the IMS architecture, when a user equipment UE wants to send a short message, it needs to register a service with a Short Message Center (SMC). The S-CSCF network element acquires the address of the SMC from an HSS (Home Subscriber Server) network element, and sends a service registration request to the SMC according to the address, wherein the request carries the identity information of the user terminal UE. SMC stores the short message sent by user terminal UE, sends message to inform S-CSCF according to different conditions, and S-CSCF forwards the short message to the receiver.
Example one
For convenience of description, many abbreviations are used in the present invention, and the meanings represented by the abbreviations in the present invention are explained collectively as follows:
UE: a user terminal;
SMC: short message center
IMS: an IP multimedia subsystem;
and S-CSCF: a serving call session control function;
CN: a core network;
HSS: and a home subscriber server.
In the method for short message communication between the private network and the public network, based on the private network of the IMS framework, as shown in the figure 1 and the figure 2, when a private network user terminal UE sends a short message, a private network S-CSCF forwards the content of the short message to a private network SMC; the private network SMC checks whether the receiving party is registered on the private network SMC, if so, the private network SMC sends a 202 message to the private network S-CSCF, and the private network S-CSCF sends a short message to the receiving party; if not, the private network SMC sends 301 a message to the private network S-CSCF, the private network S-CSCF sends the short message to the public network SMC, and the public network SMC sends the message to the receiving party. When a public network user terminal UE sends a short message, a public network core network sends the short message to a private network SMC; and the private network SMC forwards the short message to a private network S-CSCF, and the private network S-CSCF sends the short message to a receiving party.
Specifically, the method for short message communication between the private network and the public network comprises the step of sending the short message by the private network user terminal and the step of sending the short message by the public network user terminal.
Fig. 5 shows a flow chart of sending a short message by a private network user terminal, which includes the steps of:
step S101, registering a user terminal on a private network SMC;
the user terminal UE can register on SMCs of the public network and the private network, but the user terminal UE can only select one SMC of the public network or the private network to register at the same time. In the private network, the user terminal UE first registers with the core network CN of the home network, and then registers with a Short Message Center (SMC) of the private network through a third party registration service in the IMS network.
Fig. 4 shows a process of registering a user terminal on an SMC of a private network, which includes the following specific steps:
step S1011, the user terminal UE firstly attaches a base station (NB) of the private network;
step S1012, after the attachment is successful, a registration request is initiated to a Core Network (CN) of the private network;
step S1013, the relevant network elements of the private network core network authenticate and authenticate the user terminal, and after the authentication and authentication are successful, the user terminal UE is successfully registered to the private network core network;
step S1014, the user terminal UE initiates registration to the private network IMS network through the private network core network, the HSS network element of the private network IMS network authenticates and authenticates the user terminal UE, and after the authentication and authentication are successful, the user terminal UE is successfully registered to the private network IMS network;
step S1015, the private network S-CSCF network element obtains the identity information of the user terminal UE and the content related to the short message service from the private network HSS network element, and initiates registration to a private network Short Message Center (SMC), and after the registration is successful, the private network SMC returns a message S-CSCF200 OK.
Step S102, a user terminal of a private network sends a short message;
step S103, the private network S-CSCF forwards the short message content to a private network SMC; the private network SMC checks whether the receiving party is registered on the private network SMC, if so, the private network SMC sends a 202 message to the private network S-CSCF, and the private network S-CSCF sends a short message to the receiving party; if not, the private network SMC sends 301 a message to the private network S-CSCF, the private network S-CSCF sends the short message to the public network SMC, and the public network SMC sends the message to the receiving party.
202-Accept (202 accepted MESSAGE): 202 accepted means that the MESSAGE has received a request, the MESSAGE will be forwarded with best effort, but not guaranteed to reach the destination.
301Moved permanent (301 permanent move message): when the user is not already at the address in the Request-URI header field, the Request-initiating user should resend the Request to the new address in the Contact header field.
In fig. 5, two situations are divided into a private network to a private network and a private network to a public network, where 1-2-3-4-5 is a process of sending a short message from the private network to the private network, and 1-2-3-6-7-8 is a process of sending a short message from the private network to the public network.
Fig. 6 shows a process of sending a short message by a public network user terminal, which specifically includes the following steps:
step S201, when a public network user terminal UE sends a short message to a private network user terminal, a public network core network sends the short message sent to the private network user terminal to a private network SMC;
step S202, the private network SMC forwards the short message to a private network S-CSCF;
and step S203, the private network S-CSCF sends the short message to the receiver.
In the method of the invention, after the private network user terminal UE leaves the private network range, the private network user terminal UE can also register to the public network SMC. At this time, the user terminal UE becomes a public network user terminal, and can still receive the short message sent by the private network or the public network user terminal, thereby ensuring the service continuity of the user terminal UE.
In the method, when the public network user terminal sends the short message, the private network SMC only receives the short message of which the short message receiving party is determined as the private network user terminal, the received short message is not required to be judged again by the private network SMC, and the private network SMC directly informs the private network S-CSCF to forward the short message to the corresponding user terminal.
The above description is for the purpose of illustrating embodiments of the invention and is not intended to limit the invention, and it will be apparent to those skilled in the art that any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the invention shall fall within the protection scope of the invention.
Claims (6)
1. A method for short message communication between private network and public network is characterized in that: the method comprises the steps that a private network user terminal sends a short message;
the step of sending the short message by the private network user terminal comprises the following steps:
step S101, the user terminal registers in the private network short message center to become a private network user terminal;
step S102, a private network user terminal sends a short message;
step S103, the private network S-CSCF forwards the short message content to a private network short message center; the private network short message center checks whether a short message receiver is registered on the private network short message center, if so, the private network short message center sends a first message to a private network S-CSCF, and the private network S-CSCF sends the short message to the receiver; if not, the private network short message center sends the second message to the private network S-CSCF, the private network S-CSCF sends the short message to the public network short message center, and the public network short message center sends the message to the receiver.
2. The method of claim 1, wherein the method comprises the steps of: the step of registering the user terminal on the private network short message center comprises the following steps:
step S1011, attaching a private network base station to the user terminal;
step S1012, after the attachment is successful, a registration request is initiated to the private network core network;
step S1013, the private network core network authenticates and authorizes the user terminal, and after the authentication and authorization are successful, the user terminal is successfully registered to the private network core network;
step S1014, the user terminal initiates registration to the private network IMS network through the private network core network, the HSS network element of the private network IMS network authenticates and authenticates the user terminal, and the user terminal is successfully registered to the private network IMS network after the authentication and authentication are successful;
step S1015, the private network S-CSCF network element obtains the identity information and the short message service content of the user terminal from the private network HSS network element, and initiates registration to the private network short message center, and after the registration is successful, the private network short message center returns a S-CSCF200OK message.
3. The method of claim 1, wherein the method comprises the steps of: the first message is the 202 accepted message.
4. The method of claim 1, wherein the method comprises the steps of: the second message is a 301 permanent mobile message.
5. The method of claim 1, wherein the method comprises the steps of: the method also comprises the step that the public network user terminal sends the short message;
the step of sending short messages by the public network user terminal comprises the following steps:
step S201, a public network user terminal sends a short message to a private network user terminal, and a public network core network sends the short message to a private network short message center;
step S202, the private network short message center forwards the short message to a private network S-CSCF;
step S203, the private network S-CSCF sends the short message to the short message receiver.
6. The method of claim 2, wherein the method comprises the steps of: after the user terminal is registered as a private network user terminal, the user terminal leaves a private network signal coverage area and enters a public network signal coverage area, and the user terminal is registered to a public network short message center again to become a public network user terminal.
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| CN113543246B (en) * | 2020-04-21 | 2023-11-21 | 成都鼎桥通信技术有限公司 | Network switching method and device |
| CN111447240B (en) * | 2020-04-29 | 2022-02-15 | 安康鸿天科技股份有限公司 | Data communication control method, device, system, storage medium and computer equipment |
| CN114584936A (en) * | 2020-11-30 | 2022-06-03 | 中国电信股份有限公司 | Method, system and storage medium for realizing short message intercommunication between private network terminal and public network terminal |
| CN113993130A (en) * | 2021-10-29 | 2022-01-28 | 中国电信股份有限公司 | Terminal access control method, terminal and storage medium |
| CN114245326B (en) * | 2022-02-25 | 2022-05-27 | 南京北路智控科技股份有限公司 | Method, system and equipment for intercommunication between coal mine private network and operator LTE core network |
| CN114845382B (en) * | 2022-03-31 | 2023-09-05 | 广州爱浦路网络技术有限公司 | Networking method for 5G private network and public network |
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