CN106912041B - Method and device for providing assistance information aiming at public safety isolated network operation - Google Patents
Method and device for providing assistance information aiming at public safety isolated network operation Download PDFInfo
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- CN106912041B CN106912041B CN201610390423.8A CN201610390423A CN106912041B CN 106912041 B CN106912041 B CN 106912041B CN 201610390423 A CN201610390423 A CN 201610390423A CN 106912041 B CN106912041 B CN 106912041B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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Abstract
The application discloses a method and a device for providing assistance information aiming at public safety isolated network operation. The mobile communication device has a wireless transceiver and a controller. Wherein the wireless transceiver performs wireless transmission and reception with a service network. The controller determines whether the service network is an IOPS network, if so, transmits a first connection request message including the IOPS indicator to the service network through the wireless transceiver, receives a first connection acceptance message including the encrypted mapping information from the service network through the wireless transceiver, and transmits a first connection completion message to the service network through the wireless transceiver.
Description
Technical Field
The present application relates to a technology for retrieving call information, and more particularly, to a method and an apparatus for providing call assistance information for isolated network operation of public security.
Background
In recent years, as the public demand for ubiquitous (ubiquitous) computing and network communication has increased significantly, various wireless technologies have been introduced, including: global System for mobile communications (GSM) technology, General Packet Radio Service (GPRS) technology, Enhanced Data for Global Evolution (EDGE) technology, Wideband Code Division Multiple Access (WCDMA) technology, Code Division Multiple Access-2000 (Code Division Multiple Access 2000, CDMA-2000) technology, Time Division Synchronous Code Division Multiple Access (Time Division-Synchronous Code Division Multiple Access, TD-SCDMA) technology, Worldwide Interoperability for Microwave Access (WiMAX) technology, Long Term Evolution (Long Time Evolution, LTE) technology, Long Term Evolution-Enhanced (LTE-Advanced, Long Term Evolution-a) technology, and the like.
Taking long term evolution (lte) as an example, the 3rd Generation partnership project (3 GPP) organization proposed the concept of Isolated network Operation for Public Safety (hereinafter generally referred to as IOPS) in the specification standard book of release 13. When a natural disaster occurs, it may cause some areas of base stations not to be able to connect to the core network, however, it is desirable to allow these base stations to independently serve mobile subscribers within the signal coverage of the base stations without damaging the base stations themselves.
However, the problem to be solved is that the base station under the IOPS architecture cannot acquire the necessary information for establishing a call because the base station cannot be connected to the core network, and therefore the base station cannot correctly process the call request within the signal coverage.
Disclosure of Invention
A first embodiment of the present application provides a mobile communication device having a wireless transceiver and a controller. The wireless transceiver is configured to perform wireless transmission and reception with a service network. The controller is configured to determine whether the serving network is an (Isolated E-UTRAN Operation for Public Safety, IOPS) network, transmit a first connection request (ATTACH request) message including an IOPS indicator to the serving network via the wireless transceiver, receive a first connection accept (ATTACH ACCEPT) message including an encryption mapping (mapping) message from the serving network via the wireless transceiver, and transmit a first connection COMPLETE (ATTACH COMPLETE) message to the serving network via the wireless transceiver if the serving network is an (Isolated E-UTRAN Operation for Public Safety, IOPS) network.
A second embodiment of the present application provides a method for providing call assistance information for isolated network operation with public safety, which is applied to a mobile communication device, the method for providing call assistance information for isolated network operation with public safety includes: determining whether a service network is an IOPS network; if yes, transmitting a first connection request message including an IOPS indicator to the service network; receiving a first network acceptance message including an encrypted mapping information from the service network; and transmitting a first connection completion message to the service network.
A third embodiment of the present application provides a mobility management entity coupled to a wireless base station. The mobility management entity includes a controller and a non-transitory computer readable storage medium. The non-transitory computer readable storage medium is configured to store executable instructions that, when executed, cause the controller to perform a method for providing call assistance information for public safety isolated network operations, the method for providing call assistance information for public safety isolated network operations comprising: receiving a first connection request message from a mobile communication device through the wireless base station; transmitting an authentication information request message including an IOPS indicator to a Home Subscriber Server (HSS) when the first connection request message includes the IOPS indicator; receiving a verification message response message including an encrypted mapping message from the home subscriber server; transmitting a first network acceptance message including the encrypted mapping information to the mobile communication device through the wireless base station; and receiving a first connection completion message from the mobile communication device through the wireless base station.
A fourth embodiment of the present invention provides a method for providing call assistance information for isolated network operation for public safety, the method for providing call assistance information for isolated network operation for public safety being adapted to be coupled to a mobility management entity of a radio base station, the method comprising: receiving a first connection request message from a mobile communication device through the wireless base station; transmitting an authentication information request message including an IOPS indicator to a home subscriber server when the first connection request message includes the IOPS indicator; receiving a verification message response message including an encrypted mapping message from the home subscriber server; transmitting a first network acceptance message including the encrypted mapping information to the mobile communication device through the wireless base station; and receiving a first connection completion message from the mobile communication device through the wireless base station.
A fifth embodiment of the present application provides a home subscriber server coupled to a mobility management entity. The home subscriber server includes a controller and a non-transitory computer readable storage medium. The non-transitory computer readable storage medium is configured to store executable instructions that, when executed, cause the controller to perform a method for providing call assistance information for public safety isolated network operations, the method for providing call assistance information for public safety isolated network operations comprising: receiving an authentication information request message from the mobility management entity; when the authentication information request message includes an IOPS indicator, determining an international mobile subscriber identity and a mobile subscriber number of a mobile communication device according to the authentication information request message; encrypting the international mobile subscriber identification code and the mobile subscriber number to generate encrypted mapping information; and transmitting a verification message response message including the encrypted mapping information to the MME.
A sixth embodiment of the present application provides a method for providing call assistance information for isolated network operation with public safety, which is adapted to be coupled to a home subscriber server of a mobility management entity, the method for providing call assistance information for isolated network operation with public safety comprising: receiving an authentication information request message from the mobility management entity; when the authentication information request message includes an IOPS indicator, determining an international mobile subscriber identity and a mobile subscriber number of a mobile communication device according to the authentication information request message; encrypting the international mobile subscriber identification code and the mobile subscriber number to generate encrypted mapping information; and transmitting a verification message response message including the encrypted mapping information to the MME.
With respect to additional features and advantages of the present invention, those skilled in the art will appreciate that many modifications and variations are possible in the method and apparatus for providing call assistance information for public safety isolated network operations disclosed in the present application without departing from the spirit and scope of the application.
Drawings
Fig. 1 is a diagram of a wireless communication environment according to an embodiment of the present application.
Fig. 2 is a schematic diagram of a mobile communication device according to an embodiment of the present application.
Fig. 3 is a schematic diagram of a network node according to an embodiment of the present application.
Fig. 4 is a message sequence chart illustrating providing call assistance information for public-safe islanding network operations according to an embodiment of the present application.
Fig. 5 is a message sequence chart illustrating providing call assistance information for public-safe islanding network operations according to another embodiment of the present application.
Description of reference numerals:
100 a wireless communication environment;
110. 120 a mobile communication device;
130 a service network;
131 access the network;
131-A and 131-B sub-access networks;
132 a core network;
10 a wireless transceiver;
11 a radio frequency device;
12 base frequency processing means;
13 an antenna;
20. 70 a controller;
30. 80 a storage device;
40 a display device;
50 an input device;
60 a communication device;
s410 to S460, and S510 to S550.
Detailed Description
While the best mode for carrying out the present application has been described in this section for the purpose of illustrating the spirit of the present application and not for the purpose of limiting the scope of the present application, it is to be understood that the following embodiments may be implemented via software, hardware, firmware, or any combination thereof. It is mentioned that the specification standard set forth by the third generation partnership project organization is only used to assist in expressing the spirit of the present application and is not intended to limit the scope of the present application.
Fig. 1 is a diagram of a wireless communication environment according to an embodiment of the present application. The wireless communication environment 100 includes mobile communication devices 110, 120 and a service network 130, wherein the mobile communication devices 110, 120 are wirelessly connected to the service network 130 for mobile services. The mobile communication devices 110, 120 may be a feature phone, a smart phone, a tablet computer, a notebook computer, or any electronic computing device as long as it can support the wireless technology used by the service network 130. The service network 130 may be a long term evolution network, a long term evolution enhanced network, or a time division long term evolution network. Specifically, the service network 130 includes an access network 131 and a core network 132, wherein the access network 131 is used for processing radio signals, supporting terminal radio protocols, connecting the machine type communication devices 110, 120 and the core network 132, and regional mobility management; the core network 132 is used to perform mobility management as a whole, authentication at the network side, and interfacing with public networks (e.g., the internet). The access network 131 and the core network 132 may each include one or more network nodes for performing the above-described functions. For example, the Access Network 131 may include an Evolved universal terrestrial Radio Access Network (E-UTRAN), which may include at least one Evolved Node B (eNB), and/or a Mobile Management Entity (MME), such as: home evolved base station, wide area (macro) base station, micro (pico) base station; the Core network 132 may be an Evolved Packet Core (EPC), which includes: a Home Subscriber Server (HSS), a mobility management entity (mme), a Serving Gateway (S-GW), a Packet Data Network Gateway (PDN-GW/P-GW), and so on.
In particular, the access network 131 can be further divided into sub-access networks 131-a, 131-B according to the region of the signal coverage area, and the mobile communication devices 110, 120 are located in the signal coverage area of the sub-access network 131-a. In one embodiment, when a natural disaster (e.g., earthquake or tsunami) occurs, the sub-access network 131-a may disconnect from the sub-access network 131-B and disconnect from the core network 132, so that the sub-access network 131-a becomes an IOPS network, in which case the mobile communication devices 110 and 120 must acquire regional mobile services through the sub-access network 131-a.
Fig. 2 is a schematic diagram of a mobile communication device according to an embodiment of the present application. The mobile communication device may include a wireless transceiver 10, a controller 20, a storage device 30, a display device 40, and an input device 50. The wireless transceiver 10 is used for providing wireless transmission and reception functions with the service network 130. In particular, the wireless transceiver 10 includes a Radio Frequency (RF) device 11, a baseband processing device 12, and an antenna 13. The baseband processing device 12 is used for performing baseband signal processing and controlling communication between a subscriber number card (not shown) and the radio frequency device 11. The baseband processing device 12 may include a plurality of hardware devices to perform baseband signal processing, including analog-to-digital conversion (ADC)/digital-to-analog conversion (DAC), gain adjustment, modulation and demodulation, and encoding/decoding. The rf device 11 may receive the rf wireless signal from the antenna 13 and convert the rf wireless signal into a baseband signal for further processing by the baseband processing device 12, or receive the baseband signal from the baseband processing device 12 and convert the baseband signal into an rf wireless signal for transmission through the antenna 13. The rf device 11 may also include hardware devices to perform the rf conversion, for example, the rf device 11 may include a mixer (mixer) to multiply the baseband signal with an oscillating carrier in the rf used by the wireless technology, such as 900 mhz, 2100 mhz, or 2.6 ghz used by lte, or td, or other rf, depending on the wireless technology used.
The controller 20, which may be a general purpose Processor, a Micro-Control Unit (MCU), an application Processor, a Digital Signal Processor (DSP), or the like, includes various circuit logic for controlling the wireless transceiver 10 to perform wireless transmission and reception with the service network 130, read or write data from the storage device 30, transmit frame (including text, image, and video) data to the display device 40, and receive input signals from the input device 50. In particular, the controller 20 is configured to cooperatively control the wireless transceiver 10, the storage device 30, the display device 40, and the input device 50 to perform the method for providing call assistance information for public safety isolated network operation of the present application.
It will be appreciated by those skilled in the art that the circuit logic for performing the methods of the present application may generally comprise a plurality of transistors for controlling the operation of the circuit logic to provide the desired functionality and operation. Furthermore, the specific structure of the transistors and the connection relationship between the transistors are usually determined by a compiler, such as: a Register Transfer Language (RTL) compiler may be operated by a processor to compile instruction files (script) like combinatorial Language code into a form suitable for designing or manufacturing the circuit logic.
In another embodiment, the controller 20 may be integrated into the baseband processing device 12 as a baseband processor.
The storage device 30 is a non-transitory (non-transient) computer readable storage medium, such as: flash Memory (Flash Memory), Non-Volatile Random Access Memory (NVRAM), etc., magnetic storage devices (e.g., magnetic tape or hard disk), optical storage devices (e.g., compact disc Read-Only Memory (CD-ROM)), or any combination thereof, for storing encrypted mapping (mapping) information between the International Mobile Subscriber Identity (IMSI) and the Mobile Subscriber number (MSISDN) of the Mobile communication devices 110, 120, as well as the communication protocol, application, and instruction sets or program codes of the methods of the present application.
The Display device 40 may be a Liquid Crystal Display (LCD), a Light-Emitting Diode (LED) Display, an Electronic Paper Display (EPD), or the like, and is used to provide a Display function. Alternatively, the display device 40 may further include one or more touch sensors for detecting the proximity/contact of an object (e.g., a finger or a stylus).
The input device 50 may include one or more buttons, a keyboard, a mouse, a touch pad, a video lens, a microphone, and/or a speaker, etc., for providing a man-machine interface for user interaction.
It should be understood that the components shown in fig. 2 are only used to provide an illustrative example and are not intended to limit the scope of the present application.
Fig. 3 is a schematic diagram of a network node according to an embodiment of the present application. In this embodiment, the network node may refer to a mobility management entity or a home subscriber server. The network node comprises a communication device 60, a controller 70, and a storage device 80.
The communication device 60 is configured to provide wired connections to other network nodes (e.g., a wireless base station, a mobility management entity, a home subscriber server, a serving gateway, a packet data network gateway, etc.) in the service network 130. The communication device 60 may include a cable Modem (cable Modem), an Asymmetric Digital Subscriber Line (ADSL) Modem, a Fiber-Optic Modem (FOM), an ethernet interface, or other wired network interface.
The controller 70 may be a general-purpose processor, a microprocessor, an application processor, a digital signal processor, etc., which includes various circuit logic for providing data processing and computing functions, controlling the communication device 60 to communicate with other network nodes, and reading and writing data from and into the storage device 80. In particular, the controller 70 is configured to cooperatively control the communication device 60 and the storage device 80 to execute the method for providing call assistance information for public safety isolated network operation of the present application.
The storage device 80 is a non-transitory computer readable storage medium, such as: flash memory, non-volatile random access memory, etc., magnetic storage devices (e.g., magnetic tape or hard disk), optical storage devices (e.g., cd-rom), or any combination thereof, for storing (encrypted) mapping information between the imsi and the ms number of the mobile communication device 110, 120, and instruction sets or program codes of communication protocols, applications, and methods of the present application.
Although not shown, the network node shown in fig. 3 may further include other functional elements, such as: input/output devices, display devices, etc., and the scope of the present application is not limited thereto.
Fig. 4 is a message sequence chart illustrating providing call assistance information for public-safe islanding network operations according to an embodiment of the present application. In this embodiment, the method for providing the call assistance information for the public safety isolated network operation is suitable for the cooperation of the mobile communication device 110/120 and the service network 130, and is performed before the sub-access network 131-a is disconnected from the core network 132. First, the mobile communicator 110/120 initiates registration with the serving network 130, specifically, the mobile communicator 110/120 transmits a ATTACH REQUEST (ATTACH REQUEST) message to the mobility management entity in the sub-access network 131-a (step S410), specifically, the ATTACH REQUEST message includes an IOPS indicator to support IOPS on behalf of the mobile communicator 110/120.
Next, the mobility management entity transmits an Authentication Information Request (Authentication Information Request) message including the IOPS indicator to the home subscriber server in the core network 132 using the DIAMETER protocol (step S420).
The home subscriber server determines the international mobile subscriber identity and the mobile subscriber number of the mobile communication device 110/120, encrypts the mapping Information of the international mobile subscriber identity and the mobile subscriber number (step S430), and transmits a verification Information Response (Authentication Information Response) message including the encrypted mapping Information to the mobility management entity (step S440).
Thereafter, the mme sends a networking response (ATTACH ACCEPT) message including the mapping information to the ms 110/120 (step S450), the ms 110/120 replies to the mme with an attach complete (attachco complete) message (step S460), and ends the registration process.
Fig. 5 is a message sequence chart illustrating providing call assistance information for public-safe islanding network operations according to another embodiment of the present application. In this embodiment, the method for providing the call assistance information for the isolated network operation of public safety is suitable for the cooperation of the mobile communication device 110/120 and the service network 130, and is performed after the sub-access network 131-a is disconnected from the core network 132. First, when the sub-access Network 131-a detects the disconnection from the core Network 132, the sub-access Network 131-a switches to the IOPS mode operation and broadcasts system information through the radio base station, wherein the system information specifically includes a Public Land Mobile Network (PLMN) identity dedicated to the IOPS (step S510). For example, the system information broadcast by the wireless base station may be: system information block 1 (SIB 1).
Upon receiving the system information broadcast by the wireless base station, the mobile communicator 110/120 initiates registration with the sub-access network 131-a, specifically, the mobile communicator 110/120 transmits an ATTACH REQUEST (ATTACH REQUEST) message to the mobility management entity in the sub-access network 131-a (step S520), specifically, the ATTACH REQUEST message includes the encrypted mapping information obtained by the registration procedure before the sub-access network 131-a is disconnected from the core network 132.
Then, the mme stores the encrypted mapping information of the mobile communication device 110/120 (step S530), and transmits a network accept message to the mobile communication device 110/120 via the wireless base station (step S540). Then, the mobile communication device 110/120 replies to the mobility management entity with a networking complete message (step S550), and ends the registration process.
After the mobile communication devices 110 and 120 have registered with the sub-access network 131-a, the mobility management entity knows the encrypted mapping information of the mobile communication devices 110 and 120. Then, when the mobile communication devices 110 and 120 are going to perform two-way communication, assuming that the mobile communication device 110 intends to send a call to the mobile communication device 120, the mobile communication device 110 will bring the mobile subscriber number of the called party into the call request, and at this time, the mobile management entity can decrypt the encrypted mapping information recorded therein to query the international mobile subscriber identity corresponding to the mobile subscriber number, i.e. the international mobile subscriber identity of the mobile communication device 120. Then, based on the queried international mobile subscriber identity, the mobile communication device 120 is paged (paging) via the radio base station to notify the incoming call.
It should be noted that, regarding the registration process described in the embodiments of fig. 4 and 5, other details which are not within the scope of the present application may refer to specification standard specification TS 24.008 made by the third generation partnership project organization. For further details of the operation of the IOPS, reference is made to specification TS 22.346.
It can be appreciated from the embodiments of fig. 4 and 5 described above that the present application provides a method for providing call assistance information for IOPS, which can provide enough information for an isolated network to fulfill call requirements in an IOPS architecture. That is, the isolated network can obtain the mobile subscriber identification information necessary to establish a call without communicating with the core network.
While various embodiments have been described above, it will be understood by those skilled in the art that they have been presented by way of example only, and not limitation, and various changes and modifications can be made without departing from the spirit and scope of the invention. Therefore, the above embodiments are not intended to limit the scope of the present application, which is defined by the claims below.
Claims (8)
1. A mobile communications device, comprising:
a wireless transceiver for performing wireless transmission and reception with a service network; and
a controller for determining whether the service network is a public-safe isolated network operation network according to a system information block 1 received from the service network, and executing the following steps when the service network is not a public-safe isolated network: transmitting a first connection request message including a public safety isolated network indicator to the service network through the wireless transceiver, receiving a first connection acceptance message including an encrypted mapping message from the service network through the wireless transceiver, and transmitting a first connection completion message to the service network through the wireless transceiver;
wherein the encrypted mapping information includes encrypted information of an international mobile subscriber identity and a mobile subscriber number of the mobile communication device, and the controller further performs the following steps when the service network is a public safety isolated network: transmitting a second networking request message including the encrypted mapping information to the service network through the wireless transceiver, receiving a second networking accept message from the service network through the wireless transceiver, and transmitting a second networking complete message to the service network through the wireless transceiver.
2. A method for providing call assistance information for public-safe isolated network operations in a mobile communication device, comprising:
determining whether a service network is a public safety isolated network according to a system information block 1 received from the service network;
when the service network is not a public safety isolated network, the following steps are executed: transmitting a first connection request message including a public-safety isolated network index to the service network; receiving a first network acceptance message including an encrypted mapping information from the service network; and transmitting a first connection completion message to the service network; wherein the encrypted mapping information comprises encrypted information of an international mobile subscriber identity and a mobile subscriber number of the mobile communication device; and
when the service network is a public safety isolated network, the following steps are executed: transmitting a second networking request message including the encrypted mapping information to the service network, receiving a second networking accept message from the service network, and transmitting a second networking complete message to the service network.
3. A mobility management entity, comprising:
a communication device providing wired connection to a wireless base station; and
a controller coupled to the communication device; the controller executes the following steps when the mobile management entity is not disconnected from a home subscriber server:
receiving a first connection request message from a mobile communication device through the communication device and the wireless base station;
transmitting an authentication information request message including a public-safe isolated network indicator to a home subscriber server when the first connection request message includes the public-safe isolated network indicator;
receiving a verification message response message including an encrypted mapping message from the home subscriber server, wherein the encrypted mapping message includes encrypted information of an international mobile subscriber identity and a mobile subscriber number of the mobile communication device;
transmitting a first network acceptance message including the encrypted mapping information to the mobile communication device through the communication device and the wireless base station; and
receiving a first connection completion message from the mobile communication device through the communication device and the wireless base station; and
when the mobile management entity is disconnected from the home subscriber server, the controller executes the following steps:
broadcasting a public mobile network identity for a public-safe isolated network operation through the communication device and the wireless base station;
receiving a second network connection request message from the mobile communication device through the communication device and the wireless base station;
transmitting a second networking accept message to the mobile communication device through the wireless base station without communicating with the home subscriber server when the second networking request message includes the encrypted mapping information; and
a second network connection completion message is received from the mobile communication device through the communication device and the wireless base station.
4. The mobility management entity of claim 3, further comprising: a non-transitory computer readable storage medium for storing the encrypted mapping information; wherein the controller further performs the following steps when the mobility management entity is disconnected from the home subscriber server:
decrypting the encrypted mapping information and determining the mobile subscriber number and the international mobile subscriber identity when a call request to be dialed to the mobile communication device is received through the communication device and the wireless base station; and
and paging the mobile communication device through the wireless base station according to the international mobile subscriber identity.
5. A method for providing call assistance information for public safety isolated network operations, adapted to a mobility management entity coupled to a wireless base station, comprising:
when the mobile management entity is not disconnected from a home subscriber server, executing the following steps:
receiving a first connection request message from a mobile communication device through the wireless base station;
transmitting an authentication information request message including a public-safe isolated network indicator to a home subscriber server when the first connection request message includes the public-safe isolated network indicator;
receiving a verification message response message including an encrypted mapping message from the home subscriber server, wherein the encrypted mapping message includes encrypted information of an international mobile subscriber identity and a mobile subscriber number of the mobile communication device;
transmitting a first network acceptance message including the encrypted mapping information to the mobile communication device through the wireless base station; and
receiving a first connection completion message from the mobile communication device through the wireless base station; and
when the mobile management entity is disconnected from the home subscriber server, executing the following steps:
broadcasting a public mobile network identification code of a public safety isolated network operation through the wireless base station;
receiving a second network connection request message from the mobile communication device through the wireless base station;
transmitting a second networking accept message to the mobile communication device through the wireless base station without communicating with the home subscriber server when the second networking request message includes the encrypted mapping information; and
and receiving a second networking completion message from the mobile communication device through the wireless base station.
6. The method according to claim 5, further comprising the following steps when the mobility management entity is disconnected from the home subscriber server:
when a call request to be dialed to the mobile communication device is received through the wireless base station, decrypting the encrypted mapping information and determining the mobile subscriber number and the international mobile subscriber identity; and
and paging the mobile communication device through the wireless base station according to the international mobile subscriber identity.
7. A home subscriber server, comprising:
a communication device providing wired connection to a mobility management entity; and
a controller, coupled to the communication device, for performing the following steps:
receiving an authentication information request message from the mobility management entity through the communication device;
when the verification information request message comprises a public safety isolated network index, determining an international mobile subscriber identification code and a mobile subscriber number of a mobile communication device according to the verification information request message;
encrypting the international mobile subscriber identification code and the mobile subscriber number to generate encrypted mapping information; and
transmitting an authentication information response message including the encrypted mapping information to the MME through the communication device.
8. A method for providing session assistance information for public safety isolated network operations, adapted to be coupled to a home subscriber server of a mobility management entity, comprising:
receiving an authentication information request message from the mobility management entity;
when the verification information request message comprises a public safety isolated network index, determining an international mobile subscriber identification code and a mobile subscriber number of a mobile communication device according to the verification information request message;
encrypting the international mobile subscriber identification code and the mobile subscriber number to generate encrypted mapping information; and
transmitting a verification information response message including the encrypted mapping information to the MME.
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| Application Number | Priority Date | Filing Date | Title |
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| US201562387240P | 2015-12-23 | 2015-12-23 | |
| US62/387,240 | 2015-12-23 |
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| CN111263468B (en) * | 2020-04-26 | 2020-07-31 | 北京中兴高达通信技术有限公司 | IOPS connection mode communication method, base station, terminal and system |
| CN114697952B (en) * | 2020-12-29 | 2023-07-18 | 成都鼎桥通信技术有限公司 | Fault weakening processing method, device and communication system |
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| CN106912041A (en) | 2017-06-30 |
| TWI590697B (en) | 2017-07-01 |
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