CN102202394A - Machine type communication (MTC) paging system and method for implementing paging priority - Google Patents
Machine type communication (MTC) paging system and method for implementing paging priority Download PDFInfo
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Abstract
The invention discloses a machine type communication (MTC) paging system and a method for implementing paging priority. The machine type communication (MTC) paging system comprises a core network element, an access network element, and a mobile terminal for receiving paging, wherein the core network is used for transmitting a paging message which carries paging characteristic information to the access network element; the access network element is used for performing paging processing according to the paging characteristic information of the paging message and performs paging according to a paging processing result; the paging characteristic information comprises mobile terminal type, mobile terminal group attribute, paging priority information or paging real-time information. By the method, the paging optimization is performed to regulate the paging priority sequence according to one or a combination of the paging characteristic information, or a paging resource and a paging channel are distributed aiming at different types so as to avoid the mutual influence among different types of communication requirements; and the distribution of the paging resource can be optimized according to requirements of service quality such as real-time property, priority and the like.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a Machine Type Communication (MTC) paging system and a method for realizing paging priority.
Background
H2H communication refers to communication between persons communicating through the operation of a device, and existing wireless communication technology has been developed based on H2H communication. M2M (Machine to Machine) is defined in the narrow sense of Machine-to-Machine communication, and in the broad sense of network applications and services with Machine terminal intelligent interaction as the core. The intelligent machine terminal-based intelligent data acquisition and measurement system is an informatization solution scheme provided for clients by taking various communication modes as access means, and is used for meeting informatization requirements of the clients on monitoring, command scheduling, data acquisition, measurement and the like.
The development of the wireless technology is an important factor for the development of the M2M market, and the wireless technology breaks through the space-time limitation and the geographical barrier of the traditional communication mode, so that enterprises and the public get rid of the cable constraint, customers can more effectively control the cost, the installation cost is reduced, and the use is simple and convenient. In addition, the increasing demand pushes M2M to develop continuously, and contradicts with the increasing information processing capability and network bandwidth, the means of information acquisition is far behind, and M2M well meets the demand of people, through which people can monitor the external environment in real time, and realize large-scale and automatic information acquisition. Thus, M2M may be applied to industrial applications, home applications, personal applications, and the like. Industrial applications are as follows: traffic monitoring, alarm systems, rescue at sea, vending machines, driving payment, etc. Household applications are as follows: automatic meter reading, temperature control and the like. Personal applications such as: life detection, remote diagnostics, etc.
The communication target of M2M is machine-to-machine, and human-to-machine. Data Communication between one or more machines is defined as MTC (Machine Type Communication), in which case human-Machine interaction is less required. The machine participating in MTC is defined as MTC device (MTC devivce, hereinafter abbreviated as MD). The MTC device is a terminal of an MTC user, and may communicate with the MTC device and an MTC server through a Public Land Mobile Network (PLMN).
The present invention will focus on the paging problem associated with introducing M2M communication into existing mobile communication technologies.
Paging is a very important technical method in mobile communication to implement network indication of IDLE state (IDLE) mobile device originating connection with the network, or other processing (such as updating system messages of cells) according to network side indication. Specifically, in the existing mobile communication technology, the mobile terminal can be in two states: IDLE (IDLE) and CONNECTED (CONNECTED). The mobile terminal in the idle state realizes the following functions:
1. monitoring the paging message of the resident cell, and updating the cell system message (i.e. re-reading the cell system message) according to the indication of the paging message, or initiating a connection with the network side to transition to a connected state.
2. Periodically or triggered by an event, the mobile terminal initiates a location area updating process with the network side to indicate the location area where the network side equipment is located, and the network side sends a paging message in a cell in a corresponding location area when the mobile equipment needs to be paged according to the location area where the network side equipment is located. The Location area may be respectively referred to as a paging area (paging area), a tracking area (tracking area), a Location area (Location area), a Routing area (Routing area), and the like in different mobile communication technologies.
The one area comprises several cells and the identity of the area is transmitted in these cells. For example, in LTE (long term evolution), the identity of a TA (Tracking Area) is sent in a cell system message. A mobile terminal reads the TA identity of its camped cell and initiates a TA update procedure (TA update, or TAU procedure) if it camps on a cell with a different TA identity. When the mobile terminal resides in a cell belonging to the same TA, the TAU process is initiated periodically to indicate the location area of the network side equipment. According to different specific technologies, the TAU procedure occurs between a Mobile terminal and a core network device, in an LTE system, the core network device is an MME (Mobility Management Entity), and in a 3G system, the core network device is an SGSN (Serving GPRS Support Node) or an MSC (Mobile Switching Center).
When a core network needs to page a mobile device, a paging procedure is initiated to an access network device, specifically:
the core network device sends a paging message a to the access network device, where the message a carries an identifier of the paged device, where the identifier may be an IMSI (International Mobile Subscriber Identity), and the identifier is a permanent identifier of the Mobile device or a temporary identifier (TMSI, or S-TMSI) of the Mobile device. The paging message a also carries a set of location area identifiers, which are used to indicate area information for paging the mobile device.
The above access network equipment includes a base station (eNodeB, or eNB) in LTE, or a network controller (RNC) in 3G system, or a base station (NodeB +, or NB +) in 3G HSAP + flat architecture. The access network equipment receives the paging message A sent by the core network, and sends paging related information at a wireless interface of a cell corresponding to the area identifier carried by the message.
Paging technique of radio interface is described below by taking paging procedure in LTE as an example
In the LTE system, a cell may configure one or more Radio subframes (subframes) carrying paging information in one Radio frame (Radio frame), and perform paging by using the following techniques: the method comprises the steps of sending control information containing Paging mobile network temporary identities (P-RNTIs, namely Paging Radio network temporary identities) in a control domain part of a Radio subframe, namely a PDCCH (physical downlink common control channel), carrying resource information of a PCH (Paging channel) carrying a Radio interface Paging message B (Paging message), and sending the Radio interface Paging message B (Paging message) in the PCH channel resource.
The mobile device listens for the paging information at designated radio subframes, and in particular, different mobile devices listen for pages at different radio subframes. In the prior art, the location of the radio subframe where the mobile device listens for pages in the idle state is calculated from the identity (IMSI) of the mobile device. Multiple mobile terminals may be paged in the same radio subframe, and in the existing LTE system, one radio interface paging message B may carry the identities of 16 mobile terminals, that is, 16 mobile terminals may be paged in one radio subframe.
In the above-mentioned radio interface paging message, the following mobile terminal identifiers are carried: either the permanent identity of the mobile device, IMSI, or the temporary identity of the mobile device, S-TMSI.
The process of the mobile terminal in idle state monitoring paging is as follows: firstly, receiving a PDCCH channel of a designated paging subframe, and if the P-RNTI is detected, indicating that the subframe carries a paging message. Then, the mobile terminal receives a Paging message (Paging message) carried by the data part (PCH channel carried in the PDSCH channel) of the subframe, and if the Paging message carries the identifier of the mobile terminal, it indicates that the terminal is being paged. The mobile terminal can respond to the connection between the paging initiation and the network.
In the prior art, the core network only provides the identification and location area information of the paged device when initiating paging. The information is consistent for both H2H devices and M2M devices, and the access network device regards the paged devices as a type to allocate paging resources and perform paging processing.
However, after introducing the M2M technology into the existing mobile communication system, the following problems need to be considered when performing paging processing:
1. considering the massive number of M2M communication terminals, a large number of M2M terminals being paged will have an impact on the paging of the existing H2H communication, specifically: in the same subframe, the number of terminals that may need to be paged exceeds the capacity of Paging messages (currently 16), which causes congestion in Paging.
2. Different M2M applications have different real-time requirements, for example, some applications may tolerate longer delays and some applications may require real-time responses.
3. Considering the QoS requirements of H2H traffic, it is desirable to protect H2H traffic from the paging of M2M mass terminals. After the introduction of the M2M communication, the service quality of the existing H2H service is not significantly reduced, and from the paging point of view, when the paging channel congestion occurs, the paging of the H2H service can be preferentially processed.
4. Consider the difference between group paging and single device paging for M2M. M2M group paging is a technique for paging all mobile devices in an M2M group at a time, and how to distinguish from single device paging needs to be solved.
When the above problems occur, according to the prior art, the access network cannot judge the difference of the characteristics of the paged object and the priority or real-time requirement of the paged object, but can only process the same, if the paging channel is congested, some H2H devices and M2M devices are delayed equally no matter how the communication property of the H2H devices requires real-time property. Thus, the service quality of H2H traffic will be severely affected by M2M traffic, or pages with real-time requirements are not preferentially handled.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a machine type communication MTC paging system and a method for implementing a paging priority, so as to solve the problem that the service quality of a paging service or a paging object cannot be guaranteed when paging is performed after introducing the M2M technology in the existing mobile communication system, and implement differential paging processing to ensure requirements of real-time performance, priority, and the like.
In order to solve the above problems, the present invention provides a method for implementing a machine type communication MTC paging priority, comprising the following steps:
a core network element sends a paging message carrying paging characteristic information to an access network element;
the access network element carries out paging processing according to the paging characteristic information in the paging message;
wherein the paging feature information includes: the mobile terminal type, the mobile terminal group attribute, the priority information of the paging, the real-time information of the paging, or the combination thereof.
When the paging feature information includes a mobile terminal type, the mobile terminal type includes: H2H terminal devices, M2M terminal devices, or other types of devices.
The indication mode of the mobile terminal type in the paging feature information comprises the following steps:
in the paging message, carrying paging reason values, defining different paging reason values for different mobile terminal types; or,
defining different paging message types, and representing different paging mobile terminal types by using the different paging message types; or,
terminal type indication information is defined in the paging message, the information is an enumeration type or an integer type, and the value of the information corresponds to H2H terminals, M2M terminals or other device types.
When the paging feature information includes a mobile terminal group attribute, the mobile terminal group attribute includes: group mobile terminal devices, or individual mobile terminals.
The indication mode of the mobile terminal group attribute in the paging feature information comprises the following steps:
in the paging message, carrying paging reason values, defining different paging reason values for different mobile terminal group attributes; or,
defining different paging message types, and representing different mobile terminal group attributes by using the different paging message types; or,
and defining mobile terminal group attribute indication information in the paging message, wherein the information is an enumeration type or an integer type, and the value of the information corresponds to an individual paging type and a group paging type.
When the paging feature information includes priority information, the indication mode of the priority information includes: the paging message carries priority information, the priority information is defined as enumeration type or integer type data, and the value represents the paging priority of a paging object carried by the paging message or the processing priority of the paging message.
When the paging feature information includes paging real-time requirement information, an indication mode of the paging real-time requirement information includes:
in the paging message, defining a real-time information cell, wherein the real-time information cell is of an enumeration type or an integer type, and values include: real-time, or non-real-time, or hard real-time, or soft real-time; or,
different paging reason values are defined for different real-time requirements in the paging message, and the value of the paging reason value is real-time, non-real-time, hard real-time or soft real-time.
When the access network element performs paging processing according to the paging feature information in the paging message, the access network element performs priority ordering on the paging objects according to the combination of the paging feature information or the paging feature information, and performs paging on a radio interface according to an ordering result, wherein the mode of priority ordering comprises:
the highest ranking is the H2H service terminal with the real-time requirement, the next one is the M2M service terminal with the real-time requirement, the next one is the H2H service terminal and the M2M service terminal with the non-real-time requirement; or,
the access network element firstly sorts the paging information according to the priority information and sorts the paging information according to the real-time requirement or the equipment type in the paging requests with the same priority; or,
the network elements of the access network are firstly sequenced according to the equipment type, and then sequenced according to the real-time performance or the group characteristic in the paging requests of the same equipment type.
When the access network element performs paging processing according to the paging feature information of the paging message provided by the core network element, the access network element performs allocation of paging resources and paging channels according to the paging feature information or the combination of the paging feature information, and allocates different paging channels and/or paging resources for paging of the H2H service terminal and paging of the M2M terminal respectively.
The invention also provides a Machine Type Communication (MTC) paging system, which comprises:
the core network element is used for sending a paging message to the access network element, wherein the paging message carries paging characteristic information;
the access network element is used for carrying out paging processing according to the paging characteristic information in the paging message and paging the mobile terminal according to the processing result;
the mobile terminal receives the paging of the network element of the access network and performs paging response and reception;
wherein the paging feature information includes: the mobile terminal type, the mobile terminal group attribute, the priority information of the paging, the real-time information of the paging, or the combination thereof.
The network element of the access network prioritizes the paging objects according to the paging characteristic information or the combination of the paging characteristic information in the paging message, and pages on the wireless interface according to the sequencing result, wherein the prioritizing mode comprises the following steps:
the highest ranking is the H2H service terminal with the real-time requirement, the next one is the M2M service terminal with the real-time requirement, the next one is the H2H service terminal and the M2M service terminal with the non-real-time requirement; or,
the access network element firstly sorts the paging information according to the priority information and sorts the paging information according to the real-time requirement or the equipment type in the paging requests with the same priority; or,
the network elements of the access network are firstly sequenced according to the equipment type, and then sequenced according to the real-time performance or the group characteristic in the paging requests of the same equipment type.
The access network element allocates paging resources and paging channels according to the paging feature information or the combination of the paging feature information of the paging message provided by the core network element, and allocates different paging channels and/or paging resources for the paging of the H2H service terminal and the paging of the M2M terminal respectively.
The invention relates to a Machine Type Communication (MTC) paging system and a method for realizing paging priority, which are characterized in that a core network element carries paging characteristic information in a paging message, so that an access network element can obtain the paging characteristic information of a paged mobile terminal, perform paging optimization processing according to one or more combinations of the obtained paging characteristic information, adjust the priority of paging, realize paging according to the priority, or allocate paging resources and paging channels. The invention can avoid the mutual influence among different types of communication requirements and optimize the allocation of paging resources according to the requirements of service quality such as instantaneity, priority and the like.
Drawings
Fig. 1 is a schematic flow chart between network elements of a paging function of a mobile communication network.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
The invention provides a Machine Type Communication (MTC) paging system and a paging priority realization method, aiming at the problem that after M2M service communication is introduced into the existing mobile communication system, the existing paging service can not realize differentiated paging processing, the invention identifies information such as mobile terminal type, mobile terminal group attribute, paging priority information, paging real-time information and the like in a paging message, one or a combination of the information is carried in the paging message, and when an access network device receives the paging message, the corresponding priority of paging can be determined according to the information, paging is carried out to the mobile terminal according to the priority, or paging resources and paging channels are distributed. Thus, differential paging processing can be realized, and problems caused by non-differential processing when processing H2H and M2M in the existing mobile communication system are avoided.
As shown in fig. 1, a machine type communication MTC paging system in the present invention is shown, which includes:
the core network element is used for sending a paging message to the access network element, wherein the paging message carries paging characteristic information;
the access network element is used for carrying out paging processing according to the paging characteristic information in the paging message;
and the mobile terminal receives the paging of the network element of the access network and performs paging response and reception.
The method for realizing the MTC paging priority in the invention comprises the following steps:
a core network element sends a paging message carrying paging characteristic information to an access network element;
and the access network element performs paging processing according to the paging characteristic information in the paging message.
Further, the mobile terminal receives the paging of the access network element and performs paging response and reception.
In the above paging system and paging implementation method, the paging feature information includes: the mobile terminal type, the mobile terminal group attribute, the priority information of the paging, the real-time information of the paging, or the combination thereof.
When the paging feature information includes a mobile terminal type, the mobile terminal type includes: H2H terminal devices, M2M terminal devices, or other types of devices.
The indication mode of the mobile terminal type in the paging feature information comprises the following steps:
in the paging message, carrying paging reason values, defining different paging reason values for different mobile terminal types;
defining different paging message types, and representing different paging mobile terminal types by using the different paging message types;
terminal type indication information is defined in the paging message, the information is an enumeration type or an integer type, and the value of the information corresponds to H2H terminals, M2M terminals or other device types.
When the paging feature information includes a mobile terminal group attribute, the mobile terminal group attribute includes: group mobile terminal devices, or individual mobile terminals.
The indication mode of the mobile terminal group attribute in the paging feature information comprises the following steps:
in the paging message, carrying paging reason values, defining different paging reason values for different mobile terminal group attributes;
defining different paging message types, and representing different mobile terminal group attributes by using the different paging message types;
and defining mobile terminal group attribute indication information in the paging message, wherein the information is an enumeration type or an integer type, and the value of the information corresponds to an individual paging type and a group paging type.
When the paging feature information includes priority information, the indication mode of the priority information includes:
the paging message carries priority information, the priority information is defined as enumeration type or integer type data, and the value represents the paging priority of a paging object carried by the paging message or the processing priority of the paging message.
When the paging feature information includes paging real-time requirement information, an indication mode of the paging real-time requirement information includes:
in the paging message, a real-time information cell is defined, which may be an enumerated type or an integer type, and possible values include: real-time, or non-real-time, or hard real-time, or soft real-time;
different paging reason values are defined for different real-time requirements in the paging message, and the value of the paging reason value is real-time, non-real-time, hard real-time or soft real-time.
The access network element can sort the paging objects according to the paging feature information or the combination of the paging feature information in the paging message, and perform paging on the radio interface according to the sorting result. Preferred prioritization schemes include:
the highest ranking is the H2H service terminal with the real-time requirement, then the M2M service terminal with the real-time requirement, and then the H2H service terminal and the M2M service terminal with the non-real-time requirement; or,
the access network equipment firstly sorts the paging information according to the priority information and sorts the paging information according to the real-time requirement or the equipment type in the paging requests with the same priority; or,
the access network devices are first ordered according to the device type, and then ordered according to their real-time or group characteristics in the paging requests of the same device type.
The access network element can also allocate paging resources and paging channels to the paging according to the paging feature information provided by the core network device. Possible ways include: different paging channels are respectively allocated for the paging of the H2H service terminal and the paging of the M2M terminal, for example, in a 3G system, different paging indication channels and/or paging channels are respectively allocated for the paging of the H2H service terminal and the paging of the M2M terminal; or different paging identities are respectively allocated to H2H service terminal paging and M2M terminal paging, for example, in an LTE system, different rntis (radio network temporary identities) are respectively allocated to H2H and M2M service terminals
The core network equipment (namely, the core network element) of the invention indicates the access network equipment (namely, the access network element) to one or more combinations of the following paging characteristic information in the paging message sent to the access network equipment:
paging feature information one: the type of mobile terminal being paged, which may be an H2H terminal device, an M2M terminal device, or other type of device.
Paging feature information two: the group attribute of the paged mobile terminal, and the mobile terminal is a group mobile terminal device or an independent mobile terminal.
Paging feature information three: priority information of paging.
Paging feature information four: the real-time nature of the paging requires information.
The access network device performs paging processing according to the paging feature information or the combination of the paging feature information, and the possible paging processing includes: and sorting the priority according to the information, and carrying out paging processing according to the sorting result, or distributing different paging channels and/or paging resources to the paging with different paging characteristics according to the information.
The first embodiment is as follows:
the core network equipment indicates the access network equipment to have the following information in the paging message sent to the access network:
paging feature information one: the type of mobile terminal being paged, which may be an H2H terminal device, an M2M terminal device, or other type of device.
Specifically, the indication may be performed as follows:
the first method is as follows: in the paging message, a paging Cause value (Cause) is carried, and different paging Cause values are defined for H2H terminal devices and M2M terminal devices or other types of devices, respectively. The access network equipment can know the type of the paged equipment according to the definition of the reason value in the received paging message.
The second method comprises the following steps: different paging mobile terminal types are defined, and different paging message types are defined. The access network equipment can know the type of the paged equipment according to different types of the received messages.
The third method comprises the following steps: terminal type indication information is defined in the paging message, and the information is an enumeration type or an integer type, and takes the value of H2H terminal, M2M terminal or other device types.
Example two:
the core network equipment indicates the access network equipment to have the following information in the paging message sent to the access network:
paging feature information two: the paged mobile terminal is a group mobile terminal device or an individual mobile terminal.
Specifically, the indication may be performed as follows:
the first method is as follows: in the paging message, a paging Cause value (Cause) is carried, and different paging Cause values are respectively defined for individual paging and group paging. The access network equipment can know that the paged equipment is used for individual paging or group paging according to the definition of the reason value in the received paging message.
The second method comprises the following steps: a new paging message type is defined, dedicated to paging to the group device. The access network device can know that the paged device is a group object or an individual paging object according to different types of the received messages.
The third method comprises the following steps: group type indication information is defined in the paging message, the information is enumerated type, and the value of the information is individual paging type and group paging type.
Example three:
the core network equipment indicates the access network equipment to have the following information in the paging message sent to the access network:
paging feature information three: priority information of paging.
Specifically, the indication may be performed as follows:
the first method is as follows: the paging message carries priority information, the priority information is defined as enumeration type or integer type data, and the value represents the paging priority of a paging object carried by the paging message. The access network equipment obtains the paging priority of the paged object according to the priority information.
Example four:
the core network equipment indicates the access network equipment to have the following information in the paging message sent to the access network:
paging feature information four: the real-time nature of the paging requires information.
Specifically, the indication may be performed as follows:
the first method is as follows: in the paging message, a real-time information cell is defined, and may be an enumerated type or an integer type, and possible values include: real-time (real time), or non-real time (non-real time), or Hard real time (Hard real time), or soft real time (soft real time). The values above represent different real-time requirements, respectively. And the access network equipment acquires the real-time requirement of paging through the real-time information cell.
The second method comprises the following steps: in the paging message, different paging cause values (cause) are defined for different real-time requirements. The access network obtains the real-time requirement of paging through the paging reason value.
The paging processing performed by the access network according to the paging feature information provided by the present invention includes, but is not limited to, one or more of the following:
according to the paging characteristic information or the combination of the paging characteristic information provided by the invention, the paging objects are sequenced, and paging is carried out on the wireless interface according to the sequencing result.
The first embodiment is as follows: the highest ranking is the H2H service terminal with the real-time requirement, the next is the M2M service terminal with the real-time requirement, and the next is the H2H service terminal and the M2M service terminal with the non-real-time requirement.
Example two: the access network equipment firstly sorts the paging information according to the priority information and sorts the paging information according to the real-time requirement or the equipment type in the paging requests with the same priority.
Example three: the access network devices are first ordered according to the device type, and then ordered according to their real-time or group characteristics in the paging requests of the same device type.
Or, the access network element can also allocate paging resources and paging channels according to the paging feature information provided by the present invention. Possible ways include: paging of the H2H service terminal and paging of the M2M terminal allocate different paging channels and/or paging resources, respectively.
It should be noted that the processing of the access network device may depend on the policy configuration of the access network, and the present invention does not limit the specific policy of the access network for performing the paging processing by using the information provided by the present invention.
The method provided by the invention can enable the mobile communication network to carry out optimized paging processing on the object needing to be paged on the wireless interface according to one or more combinations of paging characteristic information such as the type, the real-time requirement, the priority, the group characteristic and the like. On one hand, the mutual influence among different types of communication requirements is avoided, and on the other hand, the allocation of paging resources can be optimized according to the requirements of service quality such as instantaneity, priority and the like.
The core network device of the present invention includes: an MME network element in an LTE system, an SGSN network element in a 3G system, or an MSC network element in the 3G system. A common feature is to trigger a paging procedure to the access network device.
The access network device comprises: a base station (eNodeB) in LTE systems, a Radio Network Controller (RNC) in 3G systems, or a base station (NodeB +) in 3G HSAP + flat architecture, a Base Station Controller (BSC) in GSM systems. The common feature is that the access network element triggers paging messages on the radio interface and controls and allocates paging resources of the radio interface.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (12)
1. A method for realizing Machine Type Communication (MTC) paging priority is characterized by comprising the following steps:
a core network element sends a paging message carrying paging characteristic information to an access network element;
the access network element carries out paging processing according to the paging characteristic information in the paging message;
wherein the paging feature information includes: the mobile terminal type, the mobile terminal group attribute, the priority information of the paging, the real-time information of the paging, or the combination thereof.
2. The method of claim 1, wherein when the paging feature information includes a mobile terminal type, the mobile terminal type includes: H2H terminal devices, M2M terminal devices, or other types of devices.
3. The method of claim 2, wherein the indication of the type of mobile terminal in the paging feature information comprises:
in the paging message, carrying paging reason values, defining different paging reason values for different mobile terminal types; or,
defining different paging message types, and representing different paging mobile terminal types by using the different paging message types; or,
terminal type indication information is defined in the paging message, the information is an enumeration type or an integer type, and the value of the information corresponds to H2H terminals, M2M terminals or other device types.
4. The method of claim 1, wherein when the paging feature information includes a mobile terminal group attribute, the mobile terminal group attribute includes: group mobile terminal devices, or individual mobile terminals.
5. The method of claim 4, wherein the indication of the mobile terminal group attributes in the paging feature information comprises:
in the paging message, carrying paging reason values, defining different paging reason values for different mobile terminal group attributes; or,
defining different paging message types, and representing different mobile terminal group attributes by using the different paging message types; or,
and defining mobile terminal group attribute indication information in the paging message, wherein the information is an enumeration type or an integer type, and the value of the information corresponds to an individual paging type and a group paging type.
6. The method of claim 1, wherein when the paging characteristic information includes priority information, the manner of indicating the priority information includes: the paging message carries priority information, the priority information is defined as enumeration type or integer type data, and the value represents the paging priority of a paging object carried by the paging message or the processing priority of the paging message.
7. The method of claim 1, wherein when the paging characteristic information includes real-time requirement information for paging, the indicating manner of the real-time requirement information for paging includes:
in the paging message, defining a real-time information cell, wherein the real-time information cell is of an enumeration type or an integer type, and values include: real-time, or non-real-time, or hard real-time, or soft real-time; or,
different paging reason values are defined for different real-time requirements in the paging message, and the value of the paging reason value is real-time, non-real-time, hard real-time or soft real-time.
8. The method of claim 1, wherein when the access network element performs paging processing according to the paging feature information in the paging message, the access network element prioritizes the paging objects according to the paging feature information or the combination of the paging feature information, and performs paging on the radio interface according to the result of the prioritization, wherein the manner of prioritization includes:
the highest ranking is the H2H service terminal with the real-time requirement, the next one is the M2M service terminal with the real-time requirement, the next one is the H2H service terminal and the M2M service terminal with the non-real-time requirement; or,
the access network element firstly sorts the paging information according to the priority information and sorts the paging information according to the real-time requirement or the equipment type in the paging requests with the same priority; or,
the network elements of the access network are firstly sequenced according to the equipment type, and then sequenced according to the real-time performance or the group characteristic in the paging requests of the same equipment type.
9. The method of claim 1, wherein when the access network element performs paging processing according to paging feature information of a paging message provided by a core network element, the access network element performs allocation of paging resources and paging channels according to the paging feature information or a combination of the paging feature information, and allocates different paging channels and/or paging resources for H2H service terminal paging and M2M terminal paging, respectively.
10. A machine type communication, MTC, paging system comprising:
the core network element is used for sending a paging message to the access network element, wherein the paging message carries paging characteristic information;
the access network element is used for carrying out paging processing according to the paging characteristic information in the paging message and paging the mobile terminal according to the processing result;
the mobile terminal receives the paging of the network element of the access network and performs paging response and reception;
wherein the paging feature information includes: the mobile terminal type, the mobile terminal group attribute, the priority information of the paging, the real-time information of the paging, or the combination thereof.
11. The machine-type-communication MTC paging system of claim 10,
the network element of the access network prioritizes the paging objects according to the paging characteristic information or the combination of the paging characteristic information in the paging message, and pages on the wireless interface according to the sequencing result, wherein the prioritizing mode comprises the following steps:
the highest ranking is the H2H service terminal with the real-time requirement, the next one is the M2M service terminal with the real-time requirement, the next one is the H2H service terminal and the M2M service terminal with the non-real-time requirement; or,
the access network element firstly sorts the paging information according to the priority information and sorts the paging information according to the real-time requirement or the equipment type in the paging requests with the same priority; or,
the network elements of the access network are firstly sequenced according to the equipment type, and then sequenced according to the real-time performance or the group characteristic in the paging requests of the same equipment type.
12. The machine-type-communication MTC paging system of claim 10,
the access network element allocates paging resources and paging channels according to the paging feature information or the combination of the paging feature information of the paging message provided by the core network element, and allocates different paging channels and/or paging resources for the paging of the H2H service terminal and the paging of the M2M terminal respectively.
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