CN115474161A

CN115474161A - Cluster paging method, device, cluster terminal, network equipment and storage medium

Info

Publication number: CN115474161A
Application number: CN202110655176.0A
Authority: CN
Inventors: 吕征南; 周欣; 李晓华
Original assignee: Potevio Information Technology Co Ltd
Current assignee: Potevio Information Technology Co Ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-12-13

Abstract

The invention provides a cluster paging method, a device, a cluster terminal, network equipment and a storage medium, wherein the method comprises the following steps: under the condition of establishing a cluster group call, acquiring cluster group user information corresponding to the cluster group call; sending a first cluster paging message to a second network device associated with the cluster group user information. The invention can realize that the cluster terminal receives the cluster paging message at the appointed time, effectively reduces the integral paging time of the members in the cluster group, reduces the air interface resource overhead and simultaneously achieves certain energy-saving effect.

Description

Cluster paging method, device, cluster terminal, network equipment and storage medium

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for cluster paging, a cluster terminal, a network device, and a storage medium.

Background

The trunking communication system is a special wireless communication system developed for meeting the demand of industry command and dispatch and applied to various industries, and is widely applied to the fields of public safety, transportation, petrochemical industry, industry and commerce and military. With fifth generation mobile communications (the 5) ^th generation, 5G), the trunking system evolves along with it, so as to better meet the demands of the industry users for the new broadband multimedia trunking service.

The cluster function is added on the basis of 5G, so that the 5G private network has the advantages of large bandwidth, wide connection, low time delay, high safety and the like. The group calling service is a point-to-multipoint service, including group voice group calling service and group video group calling service, etc., as a very important service in the group communication system, the industry users require to implement quick call establishment. 5G requires that a User Equipment (UE) in any Radio Resource Control (RRC) state can answer a group call, so trunking paging is an essential process in the process of establishing the group call.

In addition, when the group call of the trunking communication system starts, because some users of the called trunking group are not in the service area or are shut down, and the like, the group call paging message cannot be received, and it cannot be guaranteed that all terminals in the group of each group call can be accessed at one time. The delayed access is used as a very important function in the trunking communication system and is used for adding calls to terminals which cannot be accessed when the calls start, wherein the delayed access function can periodically send group call paging messages and group call service establishment request messages until the group calls are released, and the users of the trunking group can be ensured to be added into the group call communication in a delayed manner.

TABLE 1 comparison of three paging messages

Currently, in a 5G New Radio (NR) communication system, a paging application scenario includes paging initiated by a core network, paging initiated by a base station (gNB), and notification of system message update initiated by the gNB. As shown in table 1, paging initiated by a core network is applicable to a UE in a Radio Resource Control IDLE (RRC _ IDLE) state, and a paging range is a tracking area currently registered by the UE; paging initiated by the gNB is suitable for a UE in a Radio Resource Control Inactive state (RRC _ Inactive), and is triggered when new downlink data or signaling is sent to the UE; notification of system message update initiated by the gNB is applicable to UEs in any RRC state (RRC _ IDLE, RRC _ INACTIVE or RRC _ CONNECTED), where the update of the system message is referred to as a short message in an RRC protocol, the RRC message is included in a Physical Downlink Control CHannel (PDCCH) CHannel, and a common Paging Radio Network Temporary Identifier (P-RNTI) configured in a cell is scrambled on PDCCH channels carrying the three types of Paging messages. In addition, the paging message initiated by the core network and the paging message initiated by the gNB may include a plurality of paging records, and each paging record includes a paging message for a certain UE.

In The third generation partnership project organization (The 3) ^th Generation Partnership Project, 3 GPP) 5G related protocol specifies the sending mechanism of paging messages. To reduce UE power efficiency and improve battery life, 5G paging supports Discontinuous Reception (DRX).

The period of each wake-up is called a DRX cycle, one DRX cycle has a plurality of Paging Frames (PFs), one PF corresponds to a plurality of Paging Occasions (POs), and one UE receives a Paging message on one PO, where i _ s is a number of one PO corresponding to the PF, e.g., i _ s of the UE is used to indicate the UE to receive a Paging message in the ith _ s +1 th PO in the PF.

PF and i _ s are calculated using formulas (2) and (3) in the 5G protocol:

(SFN+PF_offset)modT＝(TdivN)*(UE_IDmodN)(2)

i_s＝floor(UE_ID/N)mod Ns (3)

wherein T represents a paging cycle, N represents the number of PFs in the paging cycle T, PF _ offset represents radio frame offset, SFN represents the frame number of a radio frame corresponding to the PF, UE _ ID represents the identity of the UE, the value is 5G-S-TMSI mod 1024, ns represents the number of POs in the PF, and the values are 1, 2 and 4.

In 5G, PF denotes a system radio frame, but PFs are no longer included in the PF, but one PF corresponds to multiple POs, and all PDCCH monitoring occasions between two PFs are PDCCH monitoring occasions that constitute a PO. Indicating a corresponding Paging Monitoring Opportunity (PMO) for the UE by the Paging search space parameters, and determining the CORESET for receiving the PDCCH scrambled by the P-RNTI according to a Control Resource Set (CORESET) corresponding to the search space parameters.

Therefore, the paging occasion of the UE in the 5G communication system is related to the User equipment identity (UE _ ID). If all the paging related parameters of the UEs in the cell are configured to the same value, but the 5G temporary mobile subscriber identity (the 5) of each UE ^th generation S-temporal Mobile Subscriber IDentity, 5G-S-TMSI), the UE _ IDs calculated according to the formulas (2) and (3) are different, and the paging occasions corresponding to each UE are different; if the existing sending mechanism of 5G paging is directly used to page all UEs in the trunking group, the overall paging time is too long, and the overhead of air interface resources is too large.

In summary, in the 5G communication system, the paging occasion of the UE is related to the UE _ ID, and the existing transmission mechanism for 5G paging is used to page all UEs in the trunking group, so the overall paging time is too long, the overhead of the air interface resource is too large, and how to implement the trunking group paging and the late access function based on the 5G trunking communication system becomes an urgent problem to be solved.

Disclosure of Invention

The invention provides a cluster paging method, a cluster paging device, a cluster terminal, network equipment and a storage medium, which are used for solving the problems that in the prior art, the paging time of UE in a 5G communication system is related to UE _ ID, the existing 5G paging sending mechanism is used for paging all UE in a cluster group, the whole paging time is too long, and the overhead of air interface resources is too large.

In a first aspect, the present invention provides a method for trunking paging, which is applied to a first network device, and includes:

under the condition of establishing a cluster group call, acquiring cluster group user information corresponding to the cluster group call;

sending a first cluster paging message to a second network device associated with the cluster group user information.

In one embodiment, the first group paging message comprises a group paging message list comprising a plurality of group paging messages;

wherein each of the group paging messages comprises at least one of: the method comprises the following steps of cluster group number identification ID, a cluster group calling area list, cluster calling priority, cluster group short message indication and calling serial number.

In a second aspect, the present invention provides a trunking paging method, applied to a second network device, including:

receiving a first cluster paging message sent by first network equipment, and sending a second cluster paging message to a cluster group at a preset cluster paging moment; alternatively, the first and second electrodes may be,

sending a second cluster paging message to the cluster group at a preset cluster paging time;

the cluster group comprises at least one cluster terminal, the second cluster paging message is carried by a Physical Downlink Shared Channel (PDSCH), and the PDSCH is scheduled by a Physical Downlink Control Channel (PDCCH) scrambled by a cluster paging radio network temporary identifier (TP-RNTI).

In one embodiment, the cluster paging method further includes:

and periodically sending the second trunking paging message to the trunking terminal belonging to the trunking group according to a preset delayed access paging cycle until the group calling service of the trunking group is finished.

In one embodiment, the second cluster paging message comprises: a group of cluster group call paging record list, wherein the cluster group call paging record list comprises a plurality of cluster group call paging records;

wherein each cluster group call paging record comprises at least one of: the method comprises the steps of a cluster group number identification ID, a cluster group radio network temporary identification G-RNTI, a configuration scheduling radio network temporary identification CS-G-RNTI, cluster call priority, cluster group short message indication and a call sequence number.

In one embodiment, the second trunking paging message is carried by a physical downlink shared channel PDSCH, and includes:

the second trunking paging message is carried by a Trunking Paging Control Channel (TPCCH), and the TPCCH is carried by a trunking paging transmission channel (TPCH);

wherein the TPCCH and the TPCH are both mapped to the PDSCH.

In one embodiment, the cluster paging method further includes:

indicating first configuration information to the cluster terminal through system information or Radio Resource Control (RRC) signaling;

wherein the first configuration information comprises at least one of: configuration information of a cluster paging control channel (TPCCH), configuration information of a cluster paging search space and system configuration information related to a cluster;

wherein the system information includes: system information block 1SIB1 or a newly added cluster system information block SIBX _ trunking. .

In a third aspect, the present invention provides a trunking paging method, applied to a trunking terminal, including:

in each cluster paging cycle, the cluster terminal monitors a second cluster paging message sent by second network equipment only at a corresponding paging occasion, and if the second cluster paging message is received, whether the second cluster paging message contains a cluster group number Identification (ID) to which the cluster terminal belongs is searched;

and the second trunking paging message is carried by a Physical Downlink Shared Channel (PDSCH), and the PDSCH is scheduled by a Physical Downlink Control Channel (PDCCH) scrambled by a trunking paging radio network temporary identifier (TP-RNTI).

In one embodiment, the cluster paging method further includes:

receiving system information or Radio Resource Control (RRC) signaling, and acquiring first configuration information carried in the system information or the RRC signaling;

determining a paging occasion corresponding to the trunking terminal according to the first configuration information;

wherein the first configuration information comprises at least one of: configuration information of a cluster paging control channel (TPCCH), configuration information of a cluster paging search space and system configuration information related to a cluster.

In one embodiment, the first downlink signaling comprises: system information or radio resource control, RRC, signaling;

wherein the system information includes: system information block 1SIB1 or a newly added cluster system information block SIBX _ trunking.

In an embodiment, the determining, according to the first configuration information, a paging occasion corresponding to the trunking terminal includes:

calculating a paging frame PF for receiving the second trunking paging message according to the configuration information of the trunking paging control channel TPCCH;

determining that the monitoring of the second trunking paging message is started at the PO _ Start time slot in the PF according to the configuration information of the trunking paging control channel TPCCH;

according to the configuration information of the cluster paging search space, obtaining a time slot, an Orthogonal Frequency Division Multiplexing (OFDM) symbol and a frequency domain resource position for monitoring the second cluster paging message;

according to the fact that the second network device repeatedly sends the same trunking paging message to all sent beams in the multi-beam scene, the trunking terminal determines to select the beam for receiving the trunking paging message, and the trunking terminal receives the trunking paging message on the corresponding beam.

In an embodiment, the calculating, according to the configuration information of the trunking paging control channel TPCCH, a paging frame PF for receiving the second trunking paging message specifically includes:

calculating a paging frame PF for receiving the second trunking paging message by using a formula (1) according to the configuration information of the trunking paging control channel TPCCH:

SFN·mod·T _trunk ＝PF_offset (1)

the SFN represents the frame number of a wireless frame corresponding to the PF; t is _trunk Denotes a cluster paging cycle, and PF _ offset denotes a radio frame offset.

wherein each cluster group call paging record comprises at least one of the following: the method comprises the steps of cluster group number identification ID, cluster group radio network temporary identification G-RNTI, configuration scheduling radio network temporary identification CS-G-RNTI, cluster call priority, cluster group short message indication and call sequence number.

In one embodiment, the second trunking paging message is carried by a physical downlink shared channel, PDSCH, and includes:

wherein the TPCCH and the TPCH are both mapped to the PDSCH.

In a fourth aspect, the present invention provides a device for trunking paging, including:

the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring cluster group user information corresponding to a cluster group call under the condition of establishing the cluster group call;

a first sending unit, configured to send a first trunking paging message to a second network device related to the trunking group user information.

In a fifth aspect, the present invention provides a device for trunking paging, including:

the second sending unit is used for receiving the first trunking paging message sent by the first network equipment and sending a second trunking paging message to the trunking terminal at the preset trunking paging moment; alternatively, the first and second liquid crystal display panels may be,

the second trunking paging message is sent to the trunking terminal at the preset trunking paging moment;

In a sixth aspect, the present invention provides a device for trunking paging, including:

a receiving unit, configured to listen to a second trunking paging message sent by a second network device only at a corresponding paging occasion in each trunking paging cycle, and if the second trunking paging message is received, search whether the second trunking paging message includes a trunking group number identifier ID to which the trunking terminal itself belongs;

In a seventh aspect, the present invention provides a network device, including a processor and a memory storing a computer program, where the processor implements the steps of the group paging method in the first aspect or the second aspect when executing the computer program.

In an eighth aspect, the present invention provides a trunking terminal, which includes a processor and a memory storing a computer program, where the processor implements the steps of the trunking paging method of the third aspect when executing the computer program.

According to the cluster paging method, the cluster paging device, the cluster terminal, the network equipment and the storage medium, under the condition that the cluster group call is established, the first network equipment acquires the cluster group user information corresponding to the cluster group call and sends the first cluster paging message to the second network equipment related to the cluster group user information, the cluster terminal can receive the cluster paging message at the appointed moment, the overall paging time of members in the cluster group is effectively shortened, the air interface resource overhead is reduced, and meanwhile a certain energy-saving effect is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is a schematic flow chart of a trunking paging method provided in the present invention;

fig. 2 is a second schematic flow chart of the trunking paging method provided by the present invention;

fig. 3 is a third schematic flowchart of a trunking paging method provided by the present invention;

fig. 4 is a schematic view of a scenario of a trunking paging method provided by the present invention;

fig. 5 is a schematic structural diagram of a trunking paging device provided in the present invention;

fig. 6 is a second schematic structural diagram of a trunking paging device provided in the present invention;

fig. 7 is a third schematic structural diagram of a trunking paging device provided by the present invention;

fig. 8 is a schematic structural diagram of a network device provided in the present invention;

fig. 9 is a schematic structural diagram of a cluster terminal provided in the present invention;

fig. 10 is a schematic structural diagram of an electronic device provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to solve the problems that in the prior art, the paging occasion of the UE is related to the UE _ ID in the 5G communication system, the overall paging time is too long and the overhead of the air interface resources is too large when the existing 5G paging transmission mechanism is used to page all UEs in the cluster group, an embodiment of the present invention provides a cluster paging method, and fig. 1 is one of the flow diagrams of the cluster paging method provided by the embodiment of the present invention. As shown in fig. 1, the trunking paging method provided by the present invention, where the execution subject may be a first network device, includes the following steps:

step 100, under the condition of establishing a cluster group call, acquiring cluster group user information corresponding to the cluster group call.

Wherein the first network device comprises a core network.

In one embodiment, when a trunking group call is established, a first network device obtains trunking group user information corresponding to the trunking group call.

Step 101, sending a first trunking paging message to a second network device associated with the trunking group user information.

Wherein the second network device comprises a base station.

It should be noted that the trunking paging message is used to indicate which trunking group call is established to the trunking terminal in the RRC _ IDLE state, the RRC _ INACTIVE state, or the RRC _ CONNECTED state. In the embodiment of the present invention, the group paging message includes a first group paging message and a second group paging message.

Optionally, the first group paging message comprises a group paging message list, the group paging message list comprising a plurality of group paging messages;

wherein each of the group paging messages comprises at least one of: an Identity Document (ID), a group calling area list, a group calling priority, a group short message indication, and a calling sequence number.

The attributes and specific contents of each group paging message list can be referred to in table 2. The cluster group number ID is the identification number of the group that is associated with the group call number. The cluster group calling area list indicates that the cells in the list need to be paged by air interfaces. The group call priority is the priority of the group call service, and the priority comprehensively considers emergency/non-emergency call, group call/single call, voice/visual call, etc. to formulate the priority rule and configure the corresponding priority levels for different services. The group short message indication indicates that a group short message is to be transmitted. The call sequence number refers to a call sequence number assigned to the service during a group call setup-release period, and the call sequence number remains unchanged. After any trunking group finishes the trunking group calling service, the call serial number allocated to the next trunking group calling is different from the call serial number of the trunking group calling service, and the method is used for the trunking terminal to judge whether the trunking group calling is a new call or an original call.

Table 2 trunking paging message list

In one embodiment, a first network device sends a first cluster paging message to a second network device associated with cluster group user information.

In the trunking paging method provided by the embodiment of the present invention, when a trunking group call is established, a first network device acquires trunking group user information corresponding to the trunking group call, and sends a first trunking paging message to a second network device related to the trunking group user information, so that a trunking terminal can receive the trunking paging message at a specified time, thereby effectively reducing the overall paging time of members in the trunking group, reducing air interface resource overhead, and achieving a certain energy saving effect.

Fig. 2 is a second flowchart of the trunking paging method provided in the present invention. As shown in fig. 2, the trunking paging method provided by the present invention, where the execution subject may be a second network device, includes the following steps:

step 200, receiving a first cluster paging message sent by a first network device, and sending a second cluster paging message to a cluster group at a preset cluster paging time; or sending a second cluster paging message to the cluster group at a preset cluster paging time;

The preset trunking paging time is the paging time in the trunking paging message sending cycle.

Optionally, the trunking paging is initiated by the first network device, and the second network device receives a first trunking paging message sent by the first network device and sends a second trunking paging message to the trunking group at a preset trunking paging time.

Optionally, the trunking paging is initiated by the second network device, and the second network device sends the second trunking paging message to the trunking group at a preset trunking paging time.

It should be noted that the second network device sends the second trunking paging message to the trunking group at the air interface according to the paging time in the trunking paging message sending cycle, and the trunking terminal in the trunking group receives the trunking paging message sent by the second network device in the trunking paging message sending cycle at the corresponding paging time.

Further, in multi-beam operation, the second network device repeatedly transmits the same trunking paging message to the trunking group in all transmission beams, and the trunking terminals in the trunking group select a beam for receiving the trunking paging message and receive the trunking paging message transmitted by the second network device based on the corresponding beam.

wherein each group paging message comprises at least one of: the method comprises the following steps of cluster group number identification ID, a cluster group calling area list, cluster calling priority, cluster group short message indication and calling serial number.

Optionally, the second cluster paging message includes: a group of cluster group call paging record list, wherein the cluster group call paging record list comprises a plurality of cluster group call paging records;

wherein each cluster group call paging record comprises at least one of: a cluster Group number Identifier ID, a cluster Group Radio Network Temporary Identifier (G-RNTI), a configuration scheduling Radio Network Temporary Identifier (CS-G-RNTI), a cluster call priority, a cluster Group short message indication and a call sequence number.

The attributes and details of each cluster group paging message record can be seen in table 3, where the cluster group number ID is the identification number of the group, and the identification number is associated with the group call number. G-RNTI/CS-G-RNTI is RNTI allocated to terminals in the cluster group of the call for subsequent receiving of relevant signaling and data of the cluster group. The group call priority is the priority of the group call traffic, which priority level is indicated by the core network to the base station. The set group short message indication indicates that a set group short message is to be transmitted. The call sequence number is indicated to the base station by the core network.

Table 3 cluster group paging message record

In one embodiment, a second network device receives a first trunking paging message sent by a first network device, and sends a second trunking paging message to a trunking group at a preset trunking paging time, where the second trunking paging message is carried by a Physical Downlink Shared Channel (PDSCH), and the PDSCH is scheduled by a PDCCH which is a Physical Downlink control Channel scrambled by a trunking paging radio network temporary identity TP-RNTI.

The downlink control information contained in the DCI format scrambled by the TP-RNTI used for scheduling the trunking paging message comprises the following steps: cluster paging frequency domain resource allocation, time domain resource allocation, mapping of virtual resource blocks VRB to physical resource blocks PRB and method thereofAndmodulation and coding scheme MCS.

In the cluster paging method provided in the embodiment of the present invention, the second network device receives the first cluster paging message sent by the first network device, and sends the second cluster paging message to the cluster group at the preset cluster paging time, or the second network device directly sends the second cluster paging message to the cluster group at the preset cluster paging time, so that the cluster group can receive the cluster paging message at the designated time, the overall paging time of members in the cluster group is effectively reduced, the air interface resource overhead is reduced, and a certain energy saving effect is achieved at the same time.

Based on any of the above embodiments, the cluster paging method further includes:

The invention aims to solve the problem that when a group call in a trunking communication system in the prior art starts, a called trunking terminal cannot receive trunking paging messages due to the fact that the called trunking terminal is not in a service area or is shut down, and the like, so that some terminals in a trunking group of each group call cannot be accessed at one time.

It should be noted that, the late access function is that the second network device periodically performs trunking paging messages to the trunking terminal belonging to the trunking group until the group call service of the trunking group is ended.

And presetting a delayed access paging cycle as a parameter used by the second network equipment.

Optionally, the preset late access paging cycle is configured by Operation and Management (OM).

In one embodiment, the second network device periodically sends the second trunking paging message to the trunking terminal belonging to the trunking group according to a preset late access paging cycle until the group call service of the trunking group is ended.

According to the cluster paging method provided by the embodiment of the invention, the second network equipment periodically sends the second cluster paging message to the affiliated cluster terminal in the cluster group according to the preset delayed access paging cycle until the group call service of the cluster group is finished, so that the cluster terminal receives the cluster paging message at the appointed time, the overall paging time of members in the cluster group is effectively shortened, the air interface resource overhead is reduced, and a certain energy-saving effect is achieved.

Based on any of the above embodiments, the second trunking paging message is carried by a physical downlink shared channel PDSCH, including:

wherein the TPCCH and the TPCH are both mapped to the PDSCH.

Optionally, in order to implement that the trunking terminal is paged quickly and further perform group call establishment quickly, the embodiment of the present invention uses a new trunking paging channel to carry trunking paging messages.

In one embodiment, one new logical Channel is a Trunking Paging Control Channel (TPCCH), and one new transport Channel is a Trunking Paging transport Channel (TPCH), where a second Trunking Paging message is carried by the Trunking Paging Control Channel (TPCCH), the TPCCH is carried by the Trunking Paging transport Channel (TPCH), and both the TPCCH and the TPCH are mapped to the PDSCH.

The TPCCH is used for paging a cluster group for supporting the cluster group call service of point-to-multipoint, and can be used for carrying the cluster group call service paging, the cluster group short message paging and the paging for informing the cluster group to update the cluster system message.

The TPCH is a transmission channel which is added based on the characteristics of the TPCCH and bears the TPCCH.

It should be noted that the newly added TPCCH and TPCH coexist with the paging related channels in the 5G communication system.

The Paging related Channel includes a Paging Control Channel (PCCH) and a Paging transport Channel (PCH).

The PCCH is used for carrying standard 5G terminal paging for the standard 5G terminal and informing the standard 5G terminal to update paging of non-cluster related system messages.

PCH is a transport channel carrying a PCCH.

The standard 5G terminal is a terminal supporting the 5G standard.

In the cluster paging method provided by the embodiment of the invention, the second cluster paging message is carried by a cluster paging control channel TPCCH, the TPCCH is carried by a cluster paging transmission channel TPCH, the TPCCH and the TPCH are both mapped to the PDSCH, and the TPCCH and the TPCH coexist with paging related channels in a 5G communication system.

Based on any of the above embodiments, the method for cluster paging further includes:

Optionally, the newly added information block of the cluster system includes SIBX _ trunking, X ≧ 15, and X is an integer.

Optionally, the second network device indicates, to the trunking terminal, configuration information of the TPCCH and configuration information of the trunking paging search space through SIB1 or RRC signaling.

Optionally, the second network device indicates, to the cluster terminal, the configuration information of the TPCCH, the configuration information of the cluster paging search space, and the system configuration information related to the cluster through the SIBX. Optionally, the configuration information TPCCH-Config of the TPCCH includes: paging Cycle (Trunk Paging Cycle), paging Frame offset (PF _ offset), and Paging occasion Start (PO _ Start) indication of the trunking Paging message.

The Paging Cycle, trunk Paging Cycle, indicates the Cycle of sending the trunking Paging message, i.e. the Cycle of sending the TPCCH.

PO _ Start is used to indicate the starting slot for listening for pages in one paging radio frame PF.

Optionally, the cluster paging search space includes a search space set associated CORESET, a search space type, a scheduled Downlink Control Information (DCI) format, search space set Information, a period and a slot offset of a detection search space set, a number of slots of a consecutive detection search space set, and a time domain Orthogonal Frequency Division Multiplexing (OFDM) start symbol position of the search space associated CORESET within each slot.

The CORESET associated with the search space set comprises resource related information occupied by the CORESET;

the Search Space type includes Common Search Space (CSS) or user equipment specific Search Space (USS);

the search space set information comprises aggregation level information and the number of candidate PDCCHs under each aggregation level;

the period of the detection search space set is in units of time slots.

Optionally, the system configuration information related to the cluster includes a downlink power allocation related parameter of the cluster group and a Bandwidth Part (BWP) and a related configuration of the cluster group.

In the cluster paging method provided in the embodiment of the present invention, the second network device indicates the first configuration information to the cluster terminal through the system information or the radio resource control RRC signaling, and then the cluster terminal monitors the cluster paging message corresponding to the cluster terminal according to the first configuration information, thereby further reducing the overall paging time of members in the cluster group, reducing the overhead of air interface resources, and achieving a certain energy saving effect.

Fig. 3 is a third schematic flow chart of the trunking paging method provided by the present invention. As shown in fig. 3, the main executing body of the trunking paging method provided by the present invention may be a trunking terminal, and the method includes the following steps:

step 300, in each trunking paging cycle, the trunking terminal only listens to a second trunking paging message sent by a second network device at a corresponding paging occasion, and if the second trunking paging message is received, searches whether the second trunking paging message contains a trunking group number Identifier (ID) to which the trunking terminal itself belongs;

wherein each cluster group call paging record comprises at least one of: the method comprises the steps of cluster group number identification ID, cluster group radio network temporary identification G-RNTI, configuration scheduling radio network temporary identification CS-G-RNTI, cluster call priority, cluster group short message indication and call sequence number.

Optionally, the second cluster paging message is carried by a physical downlink shared channel PDSCH, and includes:

wherein the TPCCH and the TPCH are both mapped to the PDSCH.

In one embodiment, in each trunking paging cycle, each trunking terminal only listens to a second trunking paging message sent by the second network device at a corresponding paging occasion, and if the second trunking paging message is received, it searches whether the second trunking paging message includes a trunking group number identifier ID to which the trunking terminal itself belongs.

Further, if the second trunking paging message includes the trunking group number identifier ID to which the trunking terminal itself belongs, the trunking terminal acquires the trunking group paging record including the trunking group number identifier ID to which the trunking terminal itself belongs.

In the trunking paging method provided in the embodiment of the present invention, in each trunking paging cycle, each trunking terminal monitors a second trunking paging message sent by the second network device only at a corresponding paging occasion, and if the second trunking paging message is received, searches whether the second trunking paging message includes a trunking group number identifier ID to which the trunking terminal belongs, where the second trunking paging message is carried by the PDSCH, and can implement that the trunking terminal receives the trunking paging message at a specified time, thereby effectively reducing the overall paging time of members in a trunking group, reducing the overhead of air interface resources, and achieving a certain energy saving effect at the same time.

Wherein the system information includes: the system information block 1SIB1 or newly added cluster system information SIBX trunk.

Optionally, the newly added cluster system information block includes SIBX pruning, X ≧ 15, and X is an integer.

In one embodiment, a trunking terminal receives system information or Radio Resource Control (RRC) signaling, acquires first configuration information carried by the system information or the RRC signaling, and determines a paging occasion corresponding to the trunking terminal according to the first configuration information, wherein the first configuration information includes at least one of the following: configuration information of a cluster paging control channel TPCCH, configuration information of a cluster paging search space and system configuration information related to a cluster.

In the trunking paging provided by the embodiment of the present invention, the trunking terminal receives the system information or the radio resource control RRC signaling, acquires the first configuration information carried by the system information or the radio resource control RRC signaling, and determines the paging occasion corresponding to the trunking terminal according to the first configuration information, thereby implementing that the trunking terminal receives the trunking paging message at the paging occasion corresponding to the trunking terminal, effectively reducing the overall paging time of members in a trunking group, reducing the overhead of air interface resources, and achieving a certain energy saving effect.

Based on any of the above embodiments, the determining, according to the first configuration information, a paging occasion corresponding to the trunking terminal includes:

obtaining a time slot, an Orthogonal Frequency Division Multiplexing (OFDM) symbol and a frequency domain resource position for monitoring the second cluster paging message according to the configuration information of the cluster paging search space;

Optionally, the calculating, according to the configuration information of the trunking paging control channel TPCCH, a paging frame PF for receiving the second trunking paging message includes:

SFN·mod·T _trunk ＝PF_offset (1)

the SFN represents a frame number of a radio frame corresponding to the PF; t is _trunk Denotes a cluster paging cycle, and PF _ offset denotes a radio frame offset.

Note that T is _trunk Configured by a trunking paging cycle (trunk paging cycle) parameter in the configuration information of the TPCCH, and the PF _ offset is configured by a PF _ offset parameter in the configuration information of the TPCCH.

In one embodiment, the trunking terminal calculates a paging frame PF of the second trunking paging message according to formula (1), and configures the Start timeslot in the PF for monitoring the second trunking paging message according to the PO _ Start parameter in the configuration information of the TPCCH, thereby determining that the trunking terminal starts monitoring the second trunking paging message at the PO _ Start timeslot in the PF.

Further, the trunking terminal determines a specific time slot, a corresponding OFDM symbol, and a corresponding frequency domain resource location for monitoring the second trunking paging message according to the configuration information of the trunking paging search space.

Optionally, in the multi-beam scenario, according to that the second network device in the multi-beam scenario repeatedly transmits the same trunking paging message on all transmitted beams, the trunking terminal selects an appropriate beam for receiving the trunking paging message, and the trunking terminal receives the trunking paging message on the selected beam.

In the trunking paging method provided by the embodiment of the present invention, a trunking terminal calculates a paging frame PF of a second trunking paging message according to a formula (1), configures an initial timeslot in the PF for monitoring the second trunking paging message through a PO _ Start parameter in configuration information of a TPCCH, further determines that the trunking terminal starts monitoring the second trunking paging message in a PO _ Start timeslot in the PF, and then determines a specific timeslot for monitoring the second trunking paging message, a corresponding OFDM symbol, and a corresponding frequency domain resource location according to configuration information of a trunking paging search space, and in a multi-beam scene, the trunking terminal selects a beam for receiving the trunking paging message, and receives the trunking paging message on the corresponding beam, thereby implementing that the trunking terminal receives the trunking paging message at a paging occasion corresponding to the trunking terminal, effectively reducing overall paging time of members in a trunking group, reducing air interface resource overhead, and achieving a certain energy saving effect.

The specific process of the trunking paging method is specifically described with reference to fig. 4. Fig. 4 is a scene schematic diagram of a cluster paging method provided in the embodiment of the present invention. As shown in fig. 4, the trunking paging method specifically includes the following steps:

s1, under the condition of establishing a cluster group call, a core network acquires cluster group user information corresponding to the cluster group call and sends a first cluster paging message to a base station related to the cluster group user information.

S2, the base station receives a first cluster paging message sent by the core network, and sends a second cluster paging message to a cluster group at a preset cluster paging moment, wherein the cluster group comprises a plurality of cluster terminals.

And S3, after the base station finishes transmitting the second cluster paging message to the cluster group for the first time, periodically transmitting the second cluster paging message to the cluster terminal belonging to the cluster group according to a preset delayed access paging cycle until the group call service of the cluster group is finished.

And S4, the trunking terminal receives a second trunking paging message sent by the base station at the paging occasion corresponding to the trunking terminal.

The following describes the trunking paging device provided by the present invention, and the trunking paging device described below and the trunking paging method described above may be referred to correspondingly.

Fig. 5 is a schematic structural diagram of a trunking paging device provided in an embodiment of the present invention, and as shown in fig. 5, the trunking paging device includes: an acquisition unit 500 and a first sending unit 510, wherein,

an obtaining unit 500, configured to obtain, under a condition that a cluster group call is established, cluster group user information corresponding to the cluster group call;

a first sending unit 510, configured to send a first trunking paging message to a second network device related to the trunking group user information.

According to the cluster paging device provided by the embodiment of the invention, under the condition that the cluster group call is established, the first network equipment acquires the cluster group user information corresponding to the cluster group call and sends the first cluster paging message to the second network equipment related to the cluster group user information, so that the cluster terminal can receive the cluster paging message at the specified time, the overall paging time of members in the cluster group is effectively reduced, the air interface resource expense is reduced, and a certain energy-saving effect is achieved.

The trunking paging device provided by the present invention can implement each process implemented by the method embodiments of fig. 1 or fig. 4, and achieve the same technical effect, and is not described herein again to avoid repetition.

Fig. 6 is a second schematic structural diagram of a trunking paging device according to an embodiment of the present invention, and as shown in fig. 6, the trunking paging device includes: a second transmission unit 600, wherein,

a second sending unit 600, configured to receive a first trunking paging message sent by a first network device, and send a second trunking paging message to a trunking group at a preset trunking paging time; alternatively, the first and second electrodes may be,

the second cluster paging message is used for sending a second cluster paging message to the cluster group at a preset cluster paging moment;

In the trunking paging device provided in the embodiment of the present invention, when a trunking group call is established, a first network device acquires trunking group user information corresponding to the trunking group call, and sends a first trunking paging message to a second network device related to the trunking group user information, or the second network device directly sends a second trunking paging message to the trunking group at a preset trunking paging time, so that a trunking terminal can receive the trunking paging message at a specified time, thereby effectively reducing the overall paging time of members in the trunking group, reducing air interface resource overhead, and achieving a certain energy saving effect.

Optionally, the group paging apparatus further includes:

and a third sending unit, configured to periodically send the second trunking paging message to the trunking terminal belonging to the trunking group according to a preset late access paging cycle until the group call service of the trunking group is ended.

Optionally, the second trunking paging message is carried by a physical downlink shared channel PDSCH, and includes:

wherein the TPCCH and the TPCH are both mapped to the PDSCH.

Optionally, the group paging apparatus further includes:

an indicating unit, configured to indicate first configuration information to the trunking terminal through system information or radio resource control RRC signaling;

The trunking paging device provided by the present invention can implement each process implemented by the method embodiments of fig. 2 or fig. 4, and achieve the same technical effect, and is not described herein again to avoid repetition.

Fig. 7 is a third schematic structural diagram of a trunking paging device provided in the embodiment of the present invention, and as shown in fig. 7, the trunking paging device includes: the receiving unit 700 is configured to, among other things,

a receiving unit 700, configured to listen to a second trunking paging message sent by a second network device only at a corresponding paging occasion in each trunking paging cycle, and if the second trunking paging message is received, find whether the second trunking paging message includes a trunking group number identifier ID to which the trunking terminal itself belongs;

In the trunking paging device provided in the embodiment of the present invention, in each trunking paging cycle, each trunking terminal monitors a second trunking paging message sent by the second network device only at a corresponding paging occasion, and if the second trunking paging message is received, and searches whether the second trunking paging message includes a trunking group number identifier ID to which the trunking terminal belongs, and if the second trunking paging message includes the trunking group number identifier ID, the second trunking paging message is determined to be a paging message monitored by the trunking terminal, where the second trunking paging message is carried by the PDSCH, which can implement that the trunking terminal receives the trunking paging message at a specified time, effectively reduce the overall paging time of members in a trunking group, reduce air interface resource overhead, and achieve a certain energy saving effect at the same time.

Optionally, the group paging apparatus further includes:

the device comprises a configuration information acquisition unit and a configuration information processing unit, wherein the configuration information acquisition unit is used for receiving system information or Radio Resource Control (RRC) signaling and acquiring first configuration information carried in the system information or the RRC signaling;

a determining unit, configured to determine a paging occasion corresponding to the trunking terminal according to the first configuration information;

Optionally, the determining unit is configured to:

according to the fact that the second network device repeatedly sends the same trunking paging message to all the sent wave beams in the multi-beam scene, the trunking terminal determines to select the wave beams used for receiving the trunking paging message, and the trunking terminal receives the trunking paging message on the corresponding wave beams.

SFN·mod·T _trunk ＝PF_offset (1)

the SFN represents the frame number of a wireless frame corresponding to the PF; t is a unit of _trunk Denotes a cluster paging cycle, and PF _ offset denotes a radio frame offset.

wherein the TPCCH and the TPCH are both mapped to the PDSCH.

The trunking paging device provided by the present invention can implement each process implemented by the method embodiment of fig. 3 or fig. 4, and achieve the same technical effect, and is not described herein again to avoid repetition.

The terminal device according to the embodiments of the present invention may be a device providing voice and/or data connectivity to a user, a handheld device having a wireless connection function, or another processing device connected to a wireless modem. In different systems, the names of the terminal devices may be different, for example, in a 5G system, the terminal device may be called a User Equipment (UE).

The network device related to the embodiment of the present invention may be a base station, and the base station may include a plurality of cells for providing services to the terminal. A base station may also be referred to as an access point, or a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminal devices, or by other names, depending on the particular application.

Fig. 8 is a schematic structural diagram of a network device according to an embodiment of the present invention, and referring to fig. 8, an embodiment of the present invention further provides a network device, which may include: memory 810, transceiver 820, and processor 830;

the memory 810 is used to store computer programs; a transceiver 820 for transceiving data under the control of the processor 830; the processor 830 is configured to execute the methods executed by the modules shown in fig. 5 or fig. 6, and achieve the same technical effects, which are not described herein for avoiding redundancy.

Wherein in fig. 8, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 830, and various circuits, represented by memory 810, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 820 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The processor 830 is responsible for managing the bus architecture and general processing, and the memory 810 may store data used by the processor 830 in performing operations.

Fig. 9 is a schematic structural diagram of a trunking terminal provided according to an embodiment of the present invention, and referring to fig. 10, an embodiment of the present invention further provides a trunking terminal, which may include: a memory 910, a transceiver 920, and a processor 930;

the memory 910 is used for storing computer programs; a transceiver 920 for transceiving data under the control of the processor 930; a processor 930 for reading the computer program in the memory 910 and performing the following operations:

in each trunking paging cycle, the trunking terminal monitors a second trunking paging message sent by a second network device only at a corresponding paging occasion, and if the second trunking paging message is received, whether the second trunking paging message contains a trunking group number Identifier (ID) to which the trunking terminal belongs is searched;

Where in fig. 9, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 930, and various circuits, represented by memory 910, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 920 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The user interface 940 may also be an interface capable of externally interfacing with a desired device for different user devices.

The processor 930 is responsible for managing the bus architecture and general processing, and the memory 910 may store data used by the processor 930 in performing operations.

Processor 930, by invoking the computer program stored in memory 910, is configured to perform any of the methods provided by embodiments of the present invention in accordance with the obtained executable instructions. The processor and memory may also be physically separated.

Optionally, the processor 930 is further configured to:

Optionally, the determining, according to the first configuration information, a paging occasion corresponding to the trunking terminal includes:

Optionally, the calculating, according to the configuration information of the trunking paging control channel TPCCH, a paging frame PF for receiving the second trunking paging message specifically includes:

SFN·mod·T _trunk ＝PF_offset(1)

wherein the TPCCH and the TPCH are both mapped to the PDSCH.

It should be noted that, the terminal and the network device provided in the embodiments of the present invention can implement all the method steps implemented by the foregoing method embodiments, and can achieve the same technical effects, and detailed descriptions of the same parts and beneficial effects as those of the method embodiments in this embodiment are omitted here.

Fig. 10 illustrates a physical structure diagram of an electronic device, which may include, as shown in fig. 10: a processor (processor) 1010, a communication interface (communication interface) 1020, a memory (memory) 1030, and a communication bus 1040, wherein the processor 1010, the communication interface 1020, and the memory 1030 are in communication with each other via the communication bus 1040. Processor 1010 may invoke computer programs in memory 1030 to perform the steps of the cluster paging method, including, for example:

Alternatively, processor 1010 may invoke a computer program in memory 1030 to perform the steps of the cluster paging method, including, for example:

the cluster group comprises at least one cluster terminal, the second cluster paging message is borne by a Physical Downlink Shared Channel (PDSCH), and the PDSCH is scheduled by a Physical Downlink Control Channel (PDCCH) scrambled by a cluster paging radio network temporary identifier (TP-RNTI).

Furthermore, the logic instructions in the memory 1030 can be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the group paging method provided by the above methods, the method comprising:

Alternatively, the computer program includes program instructions, and when the program instructions are executed by a computer, the computer can execute the cluster paging method provided by the above methods, and the method includes:

On the other hand, an embodiment of the present invention further provides a processor-readable storage medium, where the processor-readable storage medium stores a computer program, where the computer program is configured to cause the processor to execute the method provided in the foregoing embodiments, and for example, the method includes:

Alternatively, the computer program is configured to cause the processor to execute the method provided by each of the foregoing embodiments, and for example, the method includes:

receiving a first cluster paging message sent by first network equipment, and sending a second cluster paging message to a cluster group at a preset cluster paging moment; alternatively, the first and second liquid crystal display panels may be,

The processor-readable storage medium may be any available media or data storage device that can be accessed by a processor, including, but not limited to, magnetic memory (e.g., floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical memory (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor memory (e.g., ROMs, EPROMs, EEPROMs, non-volatile memory (NAND FLASH), solid State Disks (SSDs)), etc.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A cluster paging method is applied to a first network device, and is characterized by comprising the following steps:

2. The method of claim 1, wherein the first group paging message comprises a group paging message list, the group paging message list comprising a plurality of group paging messages;

3. A cluster paging method is applied to a second network device, and is characterized by comprising the following steps:

4. The method of claim 3, further comprising:

5. The method according to claim 3 or 4, wherein the second group paging message comprises: a group of cluster group call paging record list, wherein the cluster group call paging record list comprises a plurality of cluster group call paging records;

6. The trunked paging method of claim 3 wherein the second trunked paging message is carried by a Physical Downlink Shared Channel (PDSCH) and comprises:

wherein the TPCCH and the TPCH are both mapped to the PDSCH.

7. The method of claim 3, further comprising:

8. A cluster paging method, applied to a cluster terminal, comprising:

9. The method of claim 8, further comprising:

10. The method according to claim 9, wherein the determining the paging occasion corresponding to the trunking terminal according to the first configuration information comprises:

according to the fact that the second network device repeatedly sends the same trunking paging message on all sent beams in the multi-beam scene, the trunking terminal decides to select a beam for receiving the trunking paging message, and the trunking terminal receives the trunking paging message on the corresponding beam.

11. The trunking paging method according to claim 10, wherein said calculating a paging frame PF to receive the second trunking paging message according to the configuration information of the trunking paging control channel TPCCH specifically comprises:

SFN·mod·T _trunk ＝PF_offset (1)

12. The method of claim 8, wherein the second group paging message comprises: a group of cluster group call paging record list, wherein the cluster group call paging record list comprises a plurality of cluster group call paging records;

13. The trunked paging method of claim 8 wherein the second trunked paging message is carried by a Physical Downlink Shared Channel (PDSCH) and comprises:

wherein the TPCCH and the TPCH are both mapped to the PDSCH.

14. An apparatus for cluster paging, comprising:

15. An apparatus for cluster paging, comprising:

a second sending unit, configured to receive a first trunking paging message sent by a first network device, and send a second trunking paging message to a trunking group at a preset trunking paging time; alternatively, the first and second electrodes may be,

the second cluster paging message is used for sending a second cluster paging message to the cluster group at the preset cluster paging moment;

16. An apparatus for cluster paging, comprising:

a receiving unit, configured to listen to a second trunking paging message sent by a second network device only at a corresponding paging occasion in each trunking paging cycle, and if the second trunking paging message is received, find whether the second trunking paging message includes a trunking group number identifier ID to which the trunking terminal itself belongs;

17. A network device comprising a processor and a memory storing a computer program, wherein the processor when executing the computer program performs the steps of the group paging method of any one of claims 1 to 2 or the steps of the group paging method of any one of claims 3 to 7.

18. A trunking terminal comprising a processor and a memory storing a computer program, wherein the processor when executing the computer program implements the steps of the trunking paging method of any one of claims 8 to 13.