WO2014067307A1 - 一种lte系统中发送、接收集群寻呼的方法和相应装置 - Google Patents
一种lte系统中发送、接收集群寻呼的方法和相应装置 Download PDFInfo
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- WO2014067307A1 WO2014067307A1 PCT/CN2013/080747 CN2013080747W WO2014067307A1 WO 2014067307 A1 WO2014067307 A1 WO 2014067307A1 CN 2013080747 W CN2013080747 W CN 2013080747W WO 2014067307 A1 WO2014067307 A1 WO 2014067307A1
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- paging
- base station
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
- H04W76/45—Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
Definitions
- the present invention relates to the field of mobile communications technologies, and in particular, to a method and a corresponding device for transmitting and receiving a cluster paging in an LTE (Long Term Evolution) system.
- LTE Long Term Evolution
- LTE is a 3GPP long-term evolution project. It is the largest new technology development project initiated by 3GPP in the past two years. This is OFDM (Orthogonal Frequency Division Multiplexing) and FDMA (Frequency Division Multiple Addressing).
- the core technology can be seen as a "quasi 4G" technology.
- the main advantages of LTE are high peak rate, small system delay, and flexible bandwidth configuration. For example: 20MHz spectrum bandwidth can provide downlink 100Mbps, uplink 50Mbps peak rate, user plane internal unidirectional transmission delay is less than 5ms, support flexible configuration of 1.25MHz to 20MHz bandwidth, and can also use carrier aggregation technology to further improve cell capacity. LTE has broad application prospects.
- the CDMA (Code Division Multiple Access) 2000 professional trunking system paging transmission method is based on the terminal IMSI (International Mobile Subscriberdentification Number), and selects a specific time slot to be transmitted.
- IMSI International Mobile Subscriberdentification Number
- the paging volume is large, and the IMSI needs to be saved by the PTS (PTT Dispatch Server) to the BSC (Base Station Controller) and the BSC to save.
- the professional cluster system based on CDMA2000 has been widely used in the past few years. How to realize the smooth transition of cluster system to 4G in the future when CDMA 2000 network and LTE network coexist is a subject worthy of study. Summary of the invention
- the embodiments of the present invention provide a method and a corresponding device for sending a cluster paging in an LTE system, which can reduce the number of paging messages sent.
- a method for sending a cluster paging in an LTE system includes: After receiving the group paging request, the base station sends a paging message to the intra-cluster terminal in the cell in the predetermined paging slot, where the paging message includes the group identifier of the group that needs to be paged.
- the sending by the base station, a paging message to the intra-cluster terminal in the cell in a predetermined paging slot, including:
- the base station determines that the calling party in the group paging request belongs to the local cell, and the resource of the group paging request in the local cell is not established, the group resource is established for the group paging request. Simultaneously or after establishing a group resource for the group paging request, sending a paging message to the intra-cluster terminal in the pre-determined paging slot; the base station determining the main in the group paging request If the call does not belong to the local cell, the paging message is sent to the cluster terminal in the cell in the predetermined paging slot.
- the sending the paging message to the cluster terminal in the cell in the predetermined paging slot includes:
- the paging messages of the two or more groups are combined, and the merged seek is sent to the cluster terminal in the cell in a predetermined paging slot. Call the message.
- the method further includes:
- the base station does not wait for a paging response, and determines that the resource of the group paging request in the cell is not established, and establishes a resource for the group paging request, and periodically sends a paging message.
- the periodically sending the paging message includes: periodically merging and transmitting a paging message of a group that needs to be paged in the current cell, where the paging message includes one or more groups that need to be paged. Group ID.
- the paging message further includes paging response identification information corresponding to the group that needs to be paged, and the paging response identification information is used to indicate whether the terminal in the corresponding group needs to send a paging response.
- the paging response identifier information indicates The terminal in the group does not need to send a paging response.
- the paging message further includes priority identification information corresponding to the group that needs to be paged.
- the cluster terminal in the local cell includes a cluster terminal in an idle state and/or is in the cluster terminal. Cluster terminal for LTE service status.
- the embodiment of the invention further provides a base station for transmitting a cluster paging in an LTE system, comprising a receiving module and a sending module, where:
- the receiving module is configured to: receive a group paging request
- the sending module is configured to: after the receiving module receives the group paging request, send a paging message to a cluster terminal in the cell in a predetermined paging slot, where the paging message includes a requirement The group ID of the group being paged.
- the base station further includes: a determining module, configured to: after the receiving module receives the group paging request, determine whether the calling party in the group paging request belongs to the base station cell;
- the sending module is set to:
- the determining module determines that the calling party in the group paging request belongs to the local cell, and the resource of the group paging request in the current cell is not established, the group is established for the group paging request. Simultaneously or after establishing a group resource for the group paging request, sending a paging message to the intra-cluster terminal in the predetermined paging slot; and determining, by the determining module, the group searching When the calling party in the call request does not belong to the local cell, the paging message is sent to the cluster terminal in the cell in the predetermined paging slot.
- the sending module is configured to:
- the paging messages of the two or more groups are combined, and the merged homing is sent to the cluster terminal in the cell in a predetermined paging slot. Call the message.
- the base station further includes a resource establishing module, configured to: after the sending module sends the paging message, does not wait for the paging response, and determines that the resource of the group paging request in the cell is not established. Establishing a resource for the group paging request, and instructing the sending module to periodically send a paging message.
- a resource establishing module configured to: after the sending module sends the paging message, does not wait for the paging response, and determines that the resource of the group paging request in the cell is not established. Establishing a resource for the group paging request, and instructing the sending module to periodically send a paging message.
- the sending module is configured to periodically send a paging message in the following manner: periodically merging and transmitting a paging message of a group that needs to be paged in the current cell, where the paging message includes a paging request The group ID of one or more groups.
- the paging message further includes paging response identifier information corresponding to the group that needs to be paged, and the paging response identifier information is used to indicate whether the terminal in the corresponding group needs to send a paging response.
- the base station further includes a paging response identifier information setting module, and the paging response identifier information is sent by the sending module again after the base station receives the paging response sent by one or more terminals in the group.
- the paging response identifier information is sent by the sending module again after the base station receives the paging response sent by one or more terminals in the group.
- the paging message further includes priority identification information corresponding to the group that needs to be paged.
- the intra-cluster terminal in the cell includes a cluster terminal in an idle state and/or a cluster terminal in an LTE service state.
- the embodiment of the present invention further provides a method for receiving a cluster paging in an LTE system, including:
- the paging terminal After the paging terminal listens to the paging message, it is determined that the group identifier included in the paging message is the same as the group identifier of the group to which the current group terminal belongs, and then accesses the group service;
- the cluster terminal sends a paging response to the base station, or does not send a paging response to the base station, or determines whether to send a paging response to the base station according to the paging response identification information included in the paging message.
- the sending a paging response to the base station includes: the cluster terminal transmitting a paging response on a physical uplink shared channel (PUSCH).
- PUSCH physical uplink shared channel
- the determining, according to the paging response identifier information included in the paging message, whether to send a paging response to the base station includes:
- the cluster terminal Determining that the paging response identifier information indicates that a paging response needs to be sent, the cluster terminal sends a paging response to the base station, and determining that the paging response identifier information indicates that the paging response does not need to be sent, the cluster terminal No paging response is sent to the base station.
- the sending the paging response to the base station comprises: the cluster terminal immediately sending a paging response to the base station, or sending a paging response to the base station after delay.
- the paging message further includes priority identification information corresponding to the group; and the determining the paging message includes the group identifier that is the same as the group identifier of the group to which the terminal belongs, and accessing the group service. , including:
- the paging message further includes priority identification information corresponding to the group; the cluster terminal is in a group service, and the group identifier included in the determining paging message and the group of the group to which the terminal belongs If the group ID is the same, the group service is accessed, including:
- the cluster terminal in the group service determines that the group identifier included in the paging message is the same as the group identifier of the group to which the terminal belongs, and the paging message includes a group having a higher priority than the current group. If the priority of the group is the same, the current group service is exited, and the group service indicated by the group identifier included in the paging message is accessed.
- the embodiment of the present invention further provides a cluster terminal for receiving a cluster paging in an LTE system, which includes a monitoring module, a determining module, and a group service processing module, where: the monitoring module is configured to: Monitor paging messages;
- the determining module is configured to: after the listening module listens to the paging message, determine whether the group identifier included in the paging message is the same as the group identifier of the group to which the terminal belongs;
- the group service processing module is configured to: when the determining module determines that the group identifier included in the paging message is the same as the group identifier of the group to which the cluster terminal belongs, accessing the group service to the base station Sending a paging response, or not sending a paging response to the base station, or determining whether to send a paging response to the base station according to the paging response identification information included in the paging message.
- the group service processing module is configured to send a paging response to the base station in the following manner: when the group service processing module determines that the cluster terminal is in an LTE service state, the physical uplink shared channel (PUSCH) is sent. Paging response.
- PUSCH physical uplink shared channel
- the group service processing module is configured to determine whether to send a paging response to the base station in the following manner: Determining that the paging response identifier information indicates that a paging response needs to be sent, sending a paging response to the base station, and determining that the paging response identifier information indicates that the paging response is not required to be sent, and not sending the paging to the base station response.
- the group service processing module is configured to send a paging response to the base station in the following manner: immediately send a paging response to the base station, or send a paging response to the base station after delay.
- the paging message further includes priority identification information corresponding to the group;
- the group service processing module is configured to access the group service in the following manner:
- the determining module determines that the two or more group identifiers included in the paging message are the same as the group identifier of the group to which the terminal belongs, the highest priority is selected according to the priority identifier information corresponding to the group. Group business of the group.
- the paging message further includes priority identification information corresponding to the group, and when the current cluster terminal is in the group service, the group service processing module is configured to access the group service in the following manner. :
- the determining module determines that the group identifier included in the paging message is the same as the group identifier of the group to which the terminal belongs, it is determined that the priority of the group included in the paging message is higher than the priority of the current group. And causing the cluster terminal to exit the current group service, and access the group service indicated by the group identifier included in the paging message.
- the embodiment of the present invention implements a cluster function based on the LTE protocol architecture.
- a group identifier of all groups that need to be paged in a paging message By including a group identifier of all groups that need to be paged in a paging message, the header overhead of each protocol layer during paging distributed transmission can be reduced, system capacity is increased, and the system capacity is reduced.
- System implementation complexity In addition, by carrying the paging response flag bit in the paging message, the terminal can control the terminal to send the paging response, and reduce the occupation of the uplink resource. Thirdly, by applying the method and device, the complexity of sending the cluster paging in the system cycle can be reduced, the downlink paging overhead and the uplink paging response overhead are reduced, and the system capacity is increased.
- FIG. 1 is a flowchart of a paging message sent by a base station according to Embodiment 1 of the present invention
- 2 is a schematic structural diagram of a system according to an embodiment of the present invention
- FIG. 3 is a flowchart of receiving a paging message by a terminal according to Embodiment 2 of the present invention.
- FIG. 4 is a flowchart of an implementation of sending a paging response immediately after receiving a group call by a cluster terminal according to application example 1.
- FIG. 5 is a flowchart of an implementation of delaying a paging response after receiving a group call by a cluster terminal according to application example 2; In the example 3 cluster paging message, a flag is added, and the terminal immediately sends a paging response implementation flowchart;
- FIG. 7 is a flowchart showing an implementation of adding a flag bit in a cluster paging message, and delaying the transmission of a paging response by the terminal;
- FIG. 8 is a flowchart of an implementation example of a cluster terminal not returning a paging response
- FIG. 9 is an application flow diagram of an application example 6 cluster terminal receiving cluster paging in an LTE service state
- FIG. 10 is a flowchart of an implementation example of a base station not paging in a calling cell. Preferred embodiment of the invention
- the terminals described in this document are not specifically described, and all refer to cluster terminals.
- the base station described herein is a base station supporting cluster services.
- the paging message described herein is a cluster paging message.
- This embodiment describes a method for sending a cluster page in an LTE system. As shown in FIG. 1, the method includes the following steps:
- Step 10 The base station receives the group paging request.
- Step 11 Send a paging message to the cluster terminal in the cell in a predetermined paging slot, where the paging message includes a group identifier of a group that needs to be paged.
- the paging messages monitored by each terminal in the group are the same, and it is not necessary to separately send a paging message for each terminal. Therefore this embodiment is designed to include a paging message
- the group identifier of all groups that need to be paged can reduce the number of paging messages sent, reduce the overhead of each protocol layer when paging is dispersed, increase system capacity, and reduce system implementation complexity.
- the base station performs the distinguishing process according to whether the calling party belongs to the local cell: the base station determines that the calling party in the group paging request belongs to the local cell, and the resource of the group paging request in the current cell is not established, After establishing a group resource for the group paging request or after establishing a group resource for the group paging request, sending a paging message to the intra-cluster terminal in the predetermined paging slot; Calling a group paging request belonging to the local cell, establishing a group resource in advance, may speed up group service establishment; determining that the calling party in the group paging request does not belong to the local cell, then in a predetermined paging time slot Sending a paging message to the cluster terminal in the cell.
- the foregoing method for sending a paging message to a cluster terminal in the cell is: when there are two or more group paging messages to be sent in the cell, the two or more groups in the cell that need to be paged are merged.
- the call message sends the merged paging message to the intra-cluster terminal in the cell in a predetermined paging slot.
- the base station may not wait for the paging response, and only if it is determined that the resource of the group paging request in the cell is not established, the group is The paging request establishes a resource and periodically sends a paging message.
- the paging message may be sent by means of a merged paging message, where the paging message contains a group identity of one or more groups that need to be paged.
- the setting paging message further includes paging response identification information (or paging response flag bit) corresponding to the group that needs to be paged, and is used to indicate whether the terminal in the corresponding group needs to be sent. Paging response.
- the paging response identifier information may not be carried, or the carried paging response identifier information indicates that the terminal in the group needs to send a paging response; when the base station receives the group After the paging response sent by one or more terminals in the group is sent to the terminal in the group again, the paging response identification information is set to indicate that the terminal in the group does not need to send a paging response.
- the above flag bit can be used to control whether the terminal under the cell stops sending the paging response to reduce the occupation of the uplink resource.
- the paging message may further include priority identification information corresponding to the group that needs to be paged.
- the terminal is used when determining which group to access when receiving paging messages of multiple groups.
- the own cell cluster terminal that the base station sends the paging message includes the cluster terminal in the idle state and/or the cluster terminal in the LTE service state.
- the base station implementing the foregoing method includes a receiving module and a sending module, where: the receiving module is configured to: receive a group paging request;
- the sending module is configured to: after the receiving module receives the group paging request, send a paging message to the intra-cluster terminal in the cell in a predetermined paging slot, where the paging message includes a group that needs to be paged The group ID of the group.
- the base station further includes: a first determining module, configured to: after the receiving module receives the group paging request, determine whether the calling party in the group paging request belongs to the base station cell; The sending module determines, in the first determining module, that the calling party in the group paging request belongs to the local cell, and the sending module determines that the resource of the group paging request in the current cell is not established, and is in the group paging request After establishing the group resource or after establishing the group resource for the group paging request, sending a paging message to the intra-cluster terminal in the predetermined paging slot; and determining the group in the first determining module When the calling party in the paging request does not belong to the own cell, the paging message is sent to the cluster terminal in the cell in the predetermined paging slot.
- a first determining module configured to: after the receiving module receives the group paging request, determine whether the calling party in the group paging request belongs to the base station cell;
- the method of combining the paging message may be used, for example, when there are more than two groups of paging messages to be sent in the cell, the sending module merges two pages in the cell that need to be paged.
- the paging message of the above group may be used, for example, when there are more than two groups of paging messages to be sent in the cell, the sending module merges two pages in the cell that need to be paged.
- the paging message of the above group may be used, for example, when there are more than two groups of paging messages to be sent in the cell, the sending module merges two pages in the cell that need to be paged.
- the paging message of the above group may be used, for example, when there are more than two groups of paging messages to be sent in the cell, the sending module merges two pages in the cell that need to be paged.
- the foregoing base station further includes a resource establishing module, configured to: after the sending module sends the paging message, does not wait for the paging response, and determines that the resource of the group paging request in the cell is not established. And establishing a resource for the group paging request, and instructing the sending module to periodically send the paging message.
- the sending module may periodically merge and send the paging message of the group that needs to be paged in the current cell, where the paging message includes the group of one or more groups that need to be paged. logo.
- the paging message may further include paging response identification information corresponding to the group that needs to be paged, and is used to indicate whether the terminal in the corresponding group needs to send a paging response.
- the base station may include a paging response identification information setting module, which is configured to: receive one of the groups in the base station After the paging response sent by the one or more terminals, the sending module sends the paging message to the terminal in the group again, setting the paging response identifier information to indicate that the terminal in the group does not need to send the paging. response.
- This embodiment describes a method for sending a cluster page in an LTE system. As shown in FIG. 3, the method includes the following steps:
- Step 20 The cluster terminal listens to the paging message.
- Step 21 After detecting the paging message, determining that the group identifier included in the paging message is the same as the group identifier of the group to which the terminal belongs, accessing the group service, sending a paging response to the base station, or not Sending a paging response to the base station, or determining whether to send a paging response to the base station according to the paging response identification information of the paging message.
- the group service is not accessed, and the paging response is not sent to the base station.
- the paging response is sent through the physical uplink shared channel (PUSCH).
- PUSCH physical uplink shared channel
- the paging response identifier information is used to indicate whether the terminal in the corresponding group needs to send a paging response.
- the cluster terminal sends a paging response to the base station, and the paging response identifier is used.
- the information indicates that the paging response does not need to be sent, and the cluster terminal does not send a paging response to the base station.
- the cluster terminal When the cluster terminal sends a paging response to the base station, it may send a paging response to the base station immediately after receiving the paging message, or may delay the transmission of the paging response to the base station after a period of time (this time can be randomly determined). After the delay of the terminal sending the paging response is randomly determined, the occurrence of the uplink conflict can be reduced.
- the paging message may further include priority identifier information corresponding to the group; when the paging message includes two or more group identifiers that are the same as the group identifier of the group to which the terminal belongs, The terminal may select the highest access priority according to the priority identification information corresponding to the group. Group business of the group.
- the current group service may be decided according to the priority, and the paging message is used. If the priority of the group is higher than the priority of the current group, the current group service is exited, and the group service indicated by the group identifier of the access paging message is maintained. Otherwise, the status is maintained.
- the cluster terminal that implements the foregoing method includes a monitoring module, a second determining module, and a group service processing module, where:
- the monitoring module is configured to: monitor a paging message
- the second determining module is configured to: after the listening module listens to the paging message, determine whether the group identifier included in the paging message is the same as the group identifier of the group to which the terminal belongs;
- the group service processing module is configured to: when the second determining module determines that the group identifier included in the paging message is the same as the group identifier of the group to which the terminal belongs, access the group service, and send a paging response to the base station, Or not sending a paging response to the base station, or determining whether to send a paging response to the base station according to the paging response identification information of the paging message.
- the group service processing module determines that the cluster terminal is in the LTE service state, the paging response is sent on the PUSCH.
- the group service processing module determines whether to send a paging response to the base station according to the paging response identifier information of the paging message, and the method includes: the group service processing module determines that the paging response identifier information indicates that the paging response needs to be sent, and sends the paging response to the base station.
- the call response indicates that the paging response does not need to be sent, and the paging response is not sent to the base station.
- the manner in which the group service processing module sends the paging response to the base station may be: when the second determining module determines that the group identifier included in the paging message is the same as the group identifier of the group to which the terminal belongs, the paging response is immediately sent to the base station. Or send a paging response to the base station after a delay.
- the paging message further includes priority identification information corresponding to the group; the group service processing module determines, in the second determining module, the two or more group identifiers included in the paging message and the group to which the terminal belongs When the group identifiers are the same, the group service of the group with the highest priority is selected according to the priority identifier information corresponding to the group carried in the paging message.
- the current cluster terminal is in the group service, and the group service processing module determines the group included in the paging message when the second determining module determines that the group identifier included in the paging message is the same as the group identifier of the group to which the terminal belongs. Whether the priority of the group is higher than the priority of the current group. If it is higher, the group terminal is allowed to exit the current group service and access the group service indicated by the group identifier of the paging message; if not higher than Then do not process.
- the calling party and the called party are not in the same cell, and the called cluster terminal is in an idle state, and the paging message sent by the base station supporting the cluster service to the called cluster terminal includes the group identifier, and the called party is called.
- the cluster terminal immediately sends a paging response, including the following steps:
- Step 101 The base station determines a cluster paging time slot and notifies the cluster terminal (for example, notifying the terminal in the SIB, but not limited to the SIB);
- the cluster paging slot is used by the cluster terminal to listen to the cluster paging.
- Step 102 When the group call is established, the base station merges the paging messages that need to be sent to the respective groups in the current cell, and sends the paging message to the cluster terminal in the local cell in the determined cluster paging time slot.
- the paging message may also carry other group information, such as T-RNTI (Trunking-Radio Network Temporary Identity).
- T-RNTI Trusted Radio Network Temporary Identity
- Step 103 The terminal receives and demodulates a paging message in a time slot notified by the base station;
- Step 104 The terminal determines that the group number carried by the paging message is the same as the group number to which the terminal belongs, and immediately sends a paging response to the base station, where the terminal determines the group number carried in the paging message and the group to which the terminal belongs. If the numbers are different, no paging response will be sent;
- Step 105 After receiving the paging response message, the base station determines that the group resource of the group to which the group terminal to which the paging response is sent is not established, and establishes a resource for the group, and periodically sends a paging message.
- the calling party and the called party are not in the same cell, and the called cluster terminal is in an idle state, and the paging message sent by the base station supporting the cluster service to the called cluster terminal includes the group identifier, and the called party is called.
- the cluster terminal delays sending a paging response, including the following steps:
- Step 201 The base station determines a cluster paging slot and notifies the cluster terminal (for example, notifying the terminal in the SIB, but not limited to the SIB);
- Step 202 When the group call is established, the base station combines the paging messages that need to be sent to the respective groups in the current cell, and sends the paging message to the cluster terminal in the local cell in the determined cluster paging time slot, where the paging message carries the need a group identifier of the group of paging (may also include other group information);
- Step 203 The terminal receives and demodulates the paging message in the time slot notified by the base station;
- Step 204 The terminal determines that when the group number carried by the paging message is the same as the group number to which the terminal belongs, the random delay algorithm determines the time at which the paging response is sent to the base station, and sends the search time in the calculated paging response time. If the paging message does not have a group number that matches the group number to which the terminal belongs, the paging response is not sent;
- Step 205 After receiving the paging response message, the base station determines that the group resource of the group that sends the paging response in the cell is not established, and establishes a resource for the group, and periodically sends a paging message.
- the calling party and the called party are not in the same cell, and the called cluster terminal is in an idle state, and the paging message sent by the base station supporting the cluster service to the called cluster terminal includes the group identifier and the paging.
- the called cluster terminal In response to the identification field (bNeedPagingResponse), the called cluster terminal immediately sends a paging response, including the following steps:
- Step 301 The base station determines a cluster paging slot and notifies the cluster terminal (such as notifying the terminal in the SIB, but is not limited to the SIB);
- Step 302 When the group call is established, the base station merges the paging messages that need to be sent to the respective groups in the current cell, and sends the paging message to the cluster terminal in the local cell in the determined cluster paging time slot.
- the group identity of the group being paged (which may also include other group information), and whether or not the bNeedPagingResponse is required to return the paging response, and the initial value of the bNeedPagingResponse is 1;
- Step 303 The terminal receives and demodulates a paging message in a time slot notified by the base station.
- the bNeedPagingResponse flag corresponds to the group, that is, one group corresponds to one identifier. As long as one terminal in the group feeds back the paging response, the base station sets the paging response identifier of the group to 0.
- the calling party and the called party are not in the same cell, and the called cluster terminal is in an idle state, and the paging message sent by the base station supporting the cluster service to the called cluster terminal includes the group identifier and the paging.
- the called cluster terminal delays sending the paging response, including the following steps:
- Step 401 The base station determines a cluster paging time slot and notifies the cluster terminal (for example, notifying the terminal in the SIB, but not limited to the SIB);
- Step 402 When the group call is established, the base station combines the paging messages that need to be sent to the respective groups in the current cell, and sends the paging message to the cluster terminal in the local cell in the determined cluster paging time slot.
- the group identity of the group being paged (which may also include other group information), and whether or not the bNeedPagingResponse is required to return the paging response, and the initial value of the bNeedPagingResponse is 1;
- Step 403 The terminal receives and demodulates the paging message in the time slot notified by the base station.
- the calling party and the called party are not in the same cell, and the called cluster terminal is in an idle state, and the paging message sent by the base station supporting the cluster service to the called cluster terminal includes the group identifier, and the cluster terminal After receiving the paging message, the paging response is not sent, including the following steps:
- Step 501 The base station determines a cluster paging time slot and notifies the cluster terminal (for example, notifying the terminal in the SIB, but not limited to the SIB);
- Step 502 When the group call is established, the base station combines the paging messages that need to be sent to each group in the current cell, and sends the paging message to the cluster terminal in the local cell in the determined cluster paging time slot. a group identifier of the group of paging (may also include other group information); Step 503: The terminal receives and demodulates the paging message in the time slot notified by the base station;
- Step 504 The terminal determines that the group number carried by the paging message is the same as the group number to which the terminal belongs, and does not send a paging response.
- Step 505 The base station does not wait for the paging response message, directly establishes resources for the group being paged, and periodically sends a paging message.
- the group number carried by the paging message is the same as the group access group to which the terminal belongs, and the terminal number that the paging message carries and the group number to which the terminal belongs are not connected to the group call.
- the base station may also be set up to establish a group resource without waiting for a page response.
- Application example 6
- this example describes the processing after the paging message is received by the calling party and the called party, and the called cluster terminal is in the LTE service state, and includes the following steps:
- Step 601 The base station determines a cluster paging slot and notifies the cluster terminal (for example, notifying the terminal in the SIB, but not limited to the SIB);
- Step 602 The base station combines the paging messages that need to be sent to each group in the local cell, and sends the paging message to the cluster terminal in the local cell in the determined cluster paging time slot, where the paging message carries the group that needs to be paged.
- Group ID may also include other group information
- Step 603 The cluster terminal receives the cluster paging message in the LTE service state, and sends a paging response to the base station on the PUSCH (Physical Uplink Shared Channel).
- PUSCH Physical Uplink Shared Channel
- Step 604 After receiving the paging response message, the base station determines that the group resource of the cluster terminal that sends the paging response in the cell is not established, and establishes a resource for the group, and periodically sends a paging message; Step 605: The cluster terminal accesses the cluster service.
- the cluster terminal can immediately send a paging response to the base station, or it can be delayed before sending.
- the base station may further carry a paging response flag bit in the paging message, and the cluster terminal determines, according to the flag bit, whether to send a paging response, if the terminal needs to be sent, It can be sent immediately or delayed.
- this example describes the processing of the base station when the calling party and the called party belong to the same cell, and includes the following steps:
- Step 701 The base station determines a cluster paging slot and notifies the cluster terminal (for example, notifying the terminal in the SIB, but not limited to the SIB);
- Step 702 When the group call is established, the base station determines that the calling party belongs to the local cell, that is, the called party and the calling party belong to the same cell, and the cluster user is directly in the cell, and the group resource is directly established, that is, the paging message can be sent. Before the group resource is established, the group resource can also be established while sending the paging message. In short, it is not necessary to first send a paging message to establish a group resource.
- the processing after the called cluster terminal receives the paging message can refer to the implementation in the above application example.
- This example describes a scenario in which a paging message sent by a base station carries a priority. That is, a paging message sent by a base station carries priority identification information corresponding to a group that needs to be paged. This example can be combined with any of the above examples.
- the terminal judges the paging message, the plurality of group identifiers included in the paging message and the group to which the terminal belongs The group ID is the same.
- the group service of the group with the highest priority can be selected according to the priority identification information of the group.
- the terminal is currently in the group service, and after listening to the paging message, it is determined that the group identifier included in the paging message is the same as the group identifier to which the terminal belongs, and the group of paging messages is prioritized. If the level is higher than the priority of the current group, the current group service may be exited, and the group service indicated by the group identifier of the paging message is accessed, and the group identifier included in the paging message and the group to which the terminal belongs are determined. If the identifiers are different, or the priority of the group of paging messages is not higher than the priority of the current group, the paging message may not be responded to.
- the complexity of sending a cluster paging in a system cycle is reduced, the uplink paging response and the downlink paging overhead are reduced, and the system capacity is increased.
- the cluster pagings of different groups in the same cell are combined and sent in the agreed time slot, and after receiving the paging response of the group terminal, the paging response flag in the paging message controls the terminal to no longer send the paging response. , reducing the overhead caused by paging and increasing system conflicts.
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Abstract
本发明实施例公开一种 LTE系统中发送、接收集群寻呼的方法和相应装置。发送集群寻呼的方法包括：基站收到群组寻呼请求后，在预先确定的寻呼时隙向本小区内集群终端发送寻呼消息，该寻呼消息包含需要寻呼的群组的群组标识。发送集群寻呼的基站包括接收模块和发送模块。接收集群寻呼的方法包括：集群终端监听到寻呼消息后，判断寻呼消息中包含的群组标识与本终端所属群组的群组标识相同，则接入群组业务，向基站发送寻呼响应，或者不向基站发送寻呼响应，或者根据寻呼消息中的寻呼响应标识信息判断是否向基站发送寻呼响应。接收集群寻呼的集群终端包括监听模块、判断模块和群组业务处理模块。
Description
一种 LTE系统中发送、 接收集群寻呼的方法和相应装置
技术领域
本发明涉及移动通信技术领域，具体涉及一种 LTE( Long Term Evolution, 长期演进） 系统中发送、 接收集群寻呼的方法和相应装置。 背景技术
LTE是 3GPP长期演进项目， 是近两年来 3GPP启动的最大的新技术研 发项目 , 这种以 OFDM ( Orthogonal Frequency Division Multiplexing, 正交频 分复用）和 FDMA ( Frequency Division Multiple Addressing, 频分多址） 为 核心的技术可以被看做是 "准 4G" 技术。 LTE主要的优势是峰值速率高， 系统时延小， 支持带宽灵活配置。 例如： 20MHz 频谱带宽能够提供下行 100Mbps, 上行 50Mbps的峰值速率， 用户面内部单向传输时延小于 5ms, 支 持 1.25MHz到 20MHz带宽的灵活配置， 还可以使用载波聚合技术， 进一步 提高小区容量。 LTE具有广泛的应用前景。
CDMA ( Code Division Multiple Access, 称码分多址） 2000的专业集群 系 统 寻 呼 发 送 方 式 是根据 终端 IMSI ( International Mobile Subscriberldentification Number , 国际移动用户识别码）进行哈希， 选择特定 时隙发送， 在群组中监听用户较多时， 寻呼量较大， 而且 IMSI是需要 PDS ( PTT Dispatch Server, PTT调度服务器）带给 BSC ( Base Station Controller, 基站控制器） ， BSC进行保存， 需要有一定的开销。 而基于 CDMA2000的 专业集群系统在过去几年内得到广泛应用， 在将来 CDMA 2000网络和 LTE 网络共存时如何实现集群系统向 4G的平滑过渡， 是一个值得研究的课题。 发明内容
本发明实施例提供一种 LTE系统中发送集群寻呼的方法和相应装置，能 够减少寻呼消息发送的数量。
本发明实施例提供的一种 LTE系统中发送集群寻呼的方法， 包括：
基站收到群组寻呼请求后， 在预先确定的寻呼时隙向本小区内集群终端 发送寻呼消息， 所述寻呼消息包含需要寻呼的群组的群组标识。
较佳地， 所述基站在预先确定的寻呼时隙向本小区内集群终端发送寻呼 消息， 包括：
所述基站判断所述群组寻呼请求中的主叫属于本小区， 且本小区内所述 群组寻呼请求的资源未建立， 则在为所述群组寻呼请求建立群组资源的同时 或者在为所述群组寻呼请求建立群组资源后， 在预先确定的寻呼时隙向本小 区内集群终端发送寻呼消息； 所述基站判断所述群组寻呼请求中的主叫不属 于本小区， 则在预先确定的寻呼时隙向本小区内集群终端发送寻呼消息。
较佳地，所述在预先确定的寻呼时隙向本小区内集群终端发送寻呼消息， 包括：
当本小区内有两个以上群组的寻呼消息要发送时， 合并所述两个以上群 组的寻呼消息， 在预先确定的寻呼时隙向本小区内集群终端发送合并后的寻 呼消息。
较佳地， 发送寻呼消息后， 所述方法还包括：
所述基站不等待寻呼响应， 判断本小区内所述群组寻呼请求的资源未建 立， 则为所述群组寻呼请求建立资源， 周期性发送寻呼消息。
较佳地， 所述周期性发送寻呼消息， 包括： 周期性合并本小区内需要寻 呼的群组的寻呼消息并发送， 所述寻呼消息包含需要寻呼的一个或多个群组 的群组标识。
较佳地， 所述寻呼消息还包括与需要寻呼的群组对应的寻呼响应标识信 息， 所述寻呼响应标识信息用于指示对应群组中的终端是否需要发送寻呼响 应。
较佳地， 在所述基站收到群组中的一个或多个终端发送的寻呼响应后， 再次向所述群组中的终端发送寻呼消息时， 所述寻呼响应标识信息指示所述 群组中的终端不需要发送寻呼响应。
较佳地，所述寻呼消息还包括与需要寻呼的群组对应的优先级标识信息。 较佳地， 所述本小区内集群终端包括处于空闲态的集群终端和 /或处于
LTE业务状态的集群终端。
本发明实施例还提供了一种 LTE系统中发送集群寻呼的基站，包括接收 模块和发送模块， 其中：
所述接收模块， 设置为： 接收群组寻呼请求；
所述发送模块， 设置为： 在所述接收模块接收到所述群组寻呼请求后， 在预先确定的寻呼时隙向本小区内集群终端发送寻呼消息， 所述寻呼消息包 含需要寻呼的群组的群组标识。
所述基站还包括判断模块， 其设置为： 在所述接收模块接收到所述群组 寻呼请求后， 判断所述群组寻呼请求中的主叫是否属于本基站小区；
所述发送模块是设置为：
在所述判断模块判断所述群组寻呼请求中的主叫属于本小区， 且本小区 内所述群组寻呼请求的资源未建立时， 在为所述群组寻呼请求建立群组资源 的同时或者在为所述群组寻呼请求建立群组资源后， 在预先确定的寻呼时隙 向本小区内集群终端发送寻呼消息； 以及在所述判断模块判断所述群组寻呼 请求中的主叫不属于本小区时， 在预先确定的寻呼时隙向本小区内集群终端 发送寻呼消息。
较佳地， 所述发送模块是设置为：
在本小区内有两个以上群组的寻呼消息要发送时， 合并所述两个以上群 组的寻呼消息， 在预先确定的寻呼时隙向本小区内集群终端发送合并后的寻 呼消息。
较佳地， 所述基站还包括资源建立模块， 其设置为： 在所述发送模块发 送寻呼消息后， 不等待寻呼响应， 判断本小区内所述群组寻呼请求的资源未 建立时， 为所述群组寻呼请求建立资源， 并指示所述发送模块周期性发送寻 呼消息。
较佳地， 所述发送模块是设置为以如下方式周期性发送寻呼消息： 周期 性合并本小区内需要寻呼的群组的寻呼消息并发送， 所述寻呼消息包含需要 寻呼的一个或多个群组的群组标识。
较佳地， 所述寻呼消息还包括与需要寻呼的群组对应的寻呼响应标识信 息， 所述寻呼响应标识信息用于指示对应群组中的终端是否需要发送寻呼响 应。
较佳地， 所述基站还包括寻呼响应标识信息设置模块， 其寻呼响应标识 信息在所述基站收到群组中的一个或多个终端发送的寻呼响应后， 所述发送 模块再次向所述群组中的终端发送寻呼消息时， 设置所述寻呼响应标识信息 指示所述群组中的终端不需要发送寻呼响应。
较佳地，所述寻呼消息还包括与需要寻呼的群组对应的优先级标识信息。 较佳地， 所述本小区内集群终端包括处于空闲态的集群终端和 /或处于 LTE业务状态的集群终端。
为解决上述技术问题，本发明实施例还提供了一种 LTE系统中接收集群 寻呼的方法， 包括：
集群终端监听到寻呼消息后， 判断所述寻呼消息包含的群组标识与本集 群终端所属群组的群组标识相同， 则接入群组业务；
所述集群终端向基站发送寻呼响应， 或者不向所述基站发送寻呼响应， 或者根据所述寻呼消息包含的寻呼响应标识信息判断是否向所述基站发送寻 呼响应。
较佳地，所述集群终端处于 LTE业务状态时，所述向基站发送寻呼响应 , 包括： 所述集群终端在物理上行共享信道（PUSCH )发送寻呼响应。
较佳地， 所述根据所述寻呼消息包含的寻呼响应标识信息判断是否向所 述基站发送寻呼响应， 包括：
判断所述寻呼响应标识信息指示需要发送寻呼响应， 则所述集群终端向 所述基站发送寻呼响应， 判断所述寻呼响应标识信息指示不需要发送寻呼响 应， 则所述集群终端不向所述基站发送寻呼响应。
较佳地， 所述向基站发送寻呼响应， 包括： 所述集群终端立即向基站发 送寻呼响应， 或者延时后再向基站发送寻呼响应。
较佳地， 所述寻呼消息还包括与群组对应的优先级标识信息； 所述判断寻呼消息包含的群组标识与本终端所属群组的群组标识相同， 则接入群组业务， 包括：
判断所述寻呼消息包含的两个以上群组标识与本终端所属群组的群组标 识相同， 根据与群组对应的优先级标识信息， 选择接入优先级最高的群组的 群组业务。
较佳地， 所述寻呼消息还包括与群组对应的优先级标识信息； 所述集群 终端处于群组业务中， 所述判断寻呼消息包含的群组标识与本终端所属群组 的群组标识相同， 则接入群组业务， 包括：
所述处于群组业务中的集群终端判断所述寻呼消息包含的群组标识与本 终端所属群组的群组标识相同， 且所述寻呼消息包含的群组的优先级高于当 前群组的优先级， 则退出当前群组业务， 接入所述寻呼消息包含的群组标识 所指示的群组业务。
为解决上述技术问题，本发明实施例还提供了一种 LTE系统中接收集群 寻呼的集群终端， 包括监听模块、 判断模块和群组业务处理模块， 其中： 所述监听模块， 其设置为： 监听寻呼消息；
所述判断模块， 其设置为： 在所述监听模块监听到寻呼消息后， 判断所 述寻呼消息包含的群组标识是否与本终端所属群组的群组标识相同；
所述群组业务处理模块， 其设置为： 在所述判断模块判断所述寻呼消息 包含的群组标识与本集群终端所属群组的群组标识相同时， 接入群组业务， 向基站发送寻呼响应， 或者不向所述基站发送寻呼响应， 或者根据所述寻呼 消息包含的寻呼响应标识信息判断是否向所述基站发送寻呼响应。
较佳地， 所述群组业务处理模块是设置为以如下方式向基站发送寻呼响 应： 所述群组业务处理模块判断本集群终端处于 LTE业务状态时， 在物理上 行共享信道（PUSCH )发送寻呼响应。
较佳地， 所述群组业务处理模块是设置为以如下方式判断是否向所述基 站发送寻呼响应：
判断所述寻呼响应标识信息指示需要发送寻呼响应， 则向所述基站发送 寻呼响应， 判断所述寻呼响应标识信息指示不需要发送寻呼响应， 则不向所 述基站发送寻呼响应。
较佳地， 所述群组业务处理模块是设置为以如下方式向基站发送寻呼响 应： 立即向基站发送寻呼响应， 或者延时后再向基站发送寻呼响应。
较佳地， 所述寻呼消息还包括与群组对应的优先级标识信息； 所述群组业务处理模块是设置为以如下方式接入群组业务：
在所述判断模块判断所述寻呼消息包含的两个以上群组标识与本终端所 属群组的群组标识相同时， 根据与群组对应的优先级标识信息， 选择接入优 先级最高的群组的群组业务。
较佳地， 所述寻呼消息还包括与群组对应的优先级标识信息， 且当前集 群终端处于群组业务中时， 所述群组业务处理模块是设置为以如下方式接入 群组业务：
在所述判断模块判断所述寻呼消息包含的群组标识与本终端所属群组的 群组标识相同时， 判断所述寻呼消息包含的群组的优先级高于当前群组的优 先级， 则使所述集群终端退出当前群组业务， 接入所述寻呼消息包含的群组 标识所指示的群组业务。
本发明实施例基于 LTE协议架构实现集群功能，通过在一个寻呼消息包 含需要寻呼的所有群组的群组标识， 可以减少寻呼分散发送时各协议层的头 开销， 提高系统容量， 减少系统实现复杂度。 另外， 通过寻呼消息携带寻呼 响应标志位可以控制终端发送寻呼响应， 减少对上行资源的占用。 再次， 通 申请方法和装置， 可以降低系统周期发送集群寻呼的复杂度， 减少下行寻呼 开销和上行寻呼响应开销， 提高系统容量。 附图概述
图 1为本发明实施例 1基站发送寻呼消息流程图；
图 2为本发明实施例系统结构示意图；
图 3为本发明实施例 2终端接收寻呼消息流程图；
图 4为应用示例 1集群终端收到群呼后立即发送寻呼响应的实现流程图； 图 5为应用示例 2集群终端收到群呼后延迟发送寻呼响应的实现流程图； 图 6为应用示例 3集群寻呼消息中增加标志位， 终端立即发送寻呼响应 的实现流程图；
图 7为应用示例 4集群寻呼消息中增加标志位， 终端延迟发送寻呼响应 的实现流程图；
图 8为应用示例 5集群终端不回寻呼响应的实现流程图；
图 9为应用示例 6集群终端在 LTE业务态下收到集群寻呼的实现流程 图；
图 10为应用示例 7基站在起呼小区不发寻呼的实现流程图。 本发明的较佳实施方式
下文中将结合附图对本发明的实施例进行详细说明。 需要说明的是， 在 不冲突的情况下， 本申请中的实施例及实施例中的特征可以相互任意组合。
本文所述 "多个" 等同于 "两个以上" ， 所述 "两个以上" 包含两个。 本文所述终端无特别说明， 均指集群终端。 本文所述基站是支持集群业务的 基站。 本文所述寻呼消息为集群寻呼消息。
实施例 1
本实施例描述 LTE系统中发送集群寻呼的方法， 如图 1所示， 包括以下 步骤：
步骤 10, 基站接收群组寻呼请求；
步骤 11 , 在预先确定的寻呼时隙向本小区内集群终端发送寻呼消息， 所 述寻呼消息包含需要寻呼的群组的群组标识。
对集群业务来说， 群组内每个终端监听的寻呼消息都是相同的， 无须针 对每个终端单独发送寻呼消息。 因此本实施例设计通过使一个寻呼消息包含
需要寻呼的所有群组的群组标识， 可以减少寻呼消息发送的数量， 同时减少 寻呼分散发送时各协议层的头开销， 提高系统容量， 减少系统实现复杂度。
在一个优选实施例中， 基站根据主叫是否属于本小区进行区别处理： 基站判断群组寻呼请求中的主叫属于本小区， 且本小区内该群组寻呼请 求的资源未建立， 则在为该群组寻呼请求建立群组资源的同时或者在为该群 组寻呼请求建立群组资源后， 在预先确定的寻呼时隙向本小区内集群终端发 送寻呼消息； 对于主叫属于本小区的群组寻呼请求， 提前建立群组资源， 可 以加快群组业务建立； 判断所述群组寻呼请求中的主叫不属于本小区， 则在 预先确定的寻呼时隙向本小区内集群终端发送寻呼消息。
上述向本小区内集群终端发送寻呼消息的一种方式是： 当本小区内有两 个以上群组的寻呼消息要发送时， 合并本小区内需要寻呼的两个以上群组的 寻呼消息， 在预先确定的寻呼时隙向本小区内集群终端发送合并后的寻呼消 息。
为了加快群组业务的建立， 在一个优选实施例中， 发送寻呼消息后， 基 站可以不等待寻呼响应， 只要判断本小区内该群组寻呼请求的资源未建立， 则为该群组寻呼请求建立资源， 并周期性发送寻呼消息。 在周期性发送寻呼 消息时， 可以釆用合并寻呼消息的方式发送， 此时的寻呼消息包含需要寻呼 的一个或多个群组的群组标识。
在另一个优选实施例中， 设置寻呼消息还包括与需要寻呼的群组对应的 寻呼响应标识信息 （或称寻呼响应标志位） ， 用于指示对应群组中的终端是 否需要发送寻呼响应。 在首次向群组中的集群终端发送寻呼消息时， 可以不 携带该寻呼响应标识信息， 或者携带的寻呼响应标识信息指示群组中的终端 需要发送寻呼响应；当基站收到群组中的一个或多个终端发送的寻呼响应后， 再次向该群组中的终端发送寻呼消息时， 设置寻呼响应标识信息指示所述群 组中的终端不需要发送寻呼响应。 通过上述标志位可以控制小区下的终端是 否停止发送寻呼响应， 以减少对上行资源的占用。
在另一个优选实施例中， 该寻呼消息还可以包括与需要寻呼的群组对应 的优先级标识信息。 供终端在收到多个群组的寻呼消息时判断接入哪个群组 时使用。
基站发送寻呼消息的本小区集群终端包括处于空闲态的集群终端和 /或 处于 LTE业务状态的集群终端。
实现上述方法的基站如图 2所示， 包括接收模块和发送模块， 其中： 该接收模块， 设置为： 接收群组寻呼请求；
该发送模块， 设置为： 在该接收模块接收到该群组寻呼请求后， 在预先 确定的寻呼时隙向本小区内集群终端发送寻呼消息， 该寻呼消息包含需要寻 呼的群组的群组标识。
在一个优选实施例中， 该基站还包括第一判断模块， 其设置为： 在该接 收模块接收到群组寻呼请求后， 判断该群组寻呼请求中的主叫是否属于本基 站小区；发送模块在该第一判断模块判断群组寻呼请求中的主叫属于本小区， 且发送模块判断本小区内所述群组寻呼请求的资源未建立时， 在为该群组寻 呼请求建立群组资源的同时或者在为该群组寻呼请求建立群组资源后， 在预 先确定的寻呼时隙向本小区内集群终端发送寻呼消息； 以及在该第一判断模 块判断群组寻呼请求中的主叫不属于本小区时， 在预先确定的寻呼时隙向本 小区内集群终端发送寻呼消息。
发送模块发送寻呼消息时， 可以釆用合并寻呼消息的方式， 如： 当本小 区内有两个以上群组的寻呼消息要发送时， 发送模块合并本小区内需要寻呼 的两个以上群组的寻呼消息。
在另一个优选实施例中， 上述基站还包括资源建立模块， 其设置为： 在 发送模块发送寻呼消息后， 不等待寻呼响应， 判断本小区内该群组寻呼请求 的资源未建立时， 为该群组寻呼请求建立资源， 并指示发送模块周期性发送 寻呼消息。 发送模块在周期性发送寻呼消息时， 可以周期性合并本小区内需 要寻呼的群组的寻呼消息并发送， 此时寻呼消息包含需要寻呼的一个或多个 群组的群组标识。
在另一个优选实施例中， 寻呼消息还可以包含与需要寻呼的群组对应的 寻呼响应标识信息， 用于指示对应群组中的终端是否需要发送寻呼响应。 基 站可包括一寻呼响应标识信息设置模块， 其设置为： 在基站收到群组中的一
个或多个终端发送的寻呼响应后， 发送模块再次向所述群组中的终端发送寻 呼消息时， 设置所述寻呼响应标识信息指示所述群组中的终端不需要发送寻 呼响应。
实施例 2
本实施例描述 LTE系统中发送集群寻呼的方法， 如图 3所示， 包括以下 步骤：
步骤 20, 集群终端监听到寻呼消息；
步骤 21 , 在监听到寻呼消息后， 判断所述寻呼消息包含的群组标识与本 终端所属群组的群组标识相同， 则接入群组业务， 向基站发送寻呼响应， 或 者不向所述基站发送寻呼响应， 或者根据所述寻呼消息的寻呼响应标识信息 判断是否向所述基站发送寻呼响应。
需要。
判断寻呼消息包含的群组标识与本终端所述群组标识不相同， 则不接入 群组业务， 不向所述基站发送寻呼响应。
当集群终端处于 LTE业务状态时， 且需要向基站发送寻呼响应， 则通过 物理上行共享信道（PUSCH )发送寻呼响应。
上述寻呼响应标识信息用于指示对应群组中的终端是否需要发送寻呼响 应， 当寻呼响应标识信息指示需要发送寻呼响应， 则集群终端向基站发送寻 呼响应， 当寻呼响应标识信息指示不需要发送寻呼响应， 则集群终端不向基 站发送寻呼响应。
集群终端向基站发送寻呼响应时可以在收到寻呼消息后立即向基站发送 寻呼响应， 或者也可以延时一段时间 （该时间可随机决定）后再向基站发送 寻呼响应。终端发送寻呼响应的延时随机决定后，可以减少上行冲突的发生。
在一个优选实施例中， 该寻呼消息还可以包含与群组对应的优先级标识 信息； 当寻呼消息包含的两个以上群组标识均与本终端所属群组的群组标识 相同， 则终端可根据与群组对应的优先级标识信息， 选择接入优先级最高的
群组的群组业务。
当集群终端当前正处于群组业务中， 且寻呼消息包含的群组标识与本终 端所属群组的群组标识相同，则可根据优先级来决定是否退出当前群组业务， 当寻呼消息的群组的优先级高于当前群组的优先级， 则退出当前群组业务， 接入寻呼消息的群组标识所指示的群组业务， 否则， 维持现状。
实现上述方法的集群终端如图 2所示， 包括监听模块、 第二判断模块和 群组业务处理模块， 其中：
该监听模块， 设置为： 监听寻呼消息；
该第二判断模块， 设置为： 在监听模块监听到寻呼消息后， 判断寻呼消 息包含的群组标识是否与本终端所属群组的群组标识相同；
该群组业务处理模块， 设置为： 在第二判断模块判断寻呼消息包含的群 组标识与本终端所属群组的群组标识相同时， 接入群组业务， 向基站发送寻 呼响应， 或者不向所述基站发送寻呼响应， 或者根据所述寻呼消息的寻呼响 应标识信息判断是否向所述基站发送寻呼响应。
当群组业务处理模块判断本集群终端处于 LTE业务状态时， 在 PUSCH 上发送寻呼响应。
上述群组业务处理模块根据寻呼消息的寻呼响应标识信息判断是否向基 站发送寻呼响应， 包括： 群组业务处理模块判断寻呼响应标识信息指示需要 发送寻呼响应， 则向基站发送寻呼响应， 指示不需要发送寻呼响应， 则不向 基站发送寻呼响应。
群组业务处理模块向基站发送寻呼响应的方式可以是在第二判断模块判 断寻呼消息包含的群组标识与本终端所属群组的群组标识相同时， 立即向基 站发送寻呼响应， 或者延时一段时间后再向基站发送寻呼响应。
在一个优选实施例中， 寻呼消息还包括与群组对应的优先级标识信息； 群组业务处理模块在第二判断模块判断寻呼消息包含的两个以上群组标识与 本终端所属群组的群组标识相同时， 根据寻呼消息携带的与群组对应的优先 级标识信息， 选择接入优先级最高的群组的群组业务。
当前集群终端正处于群组业务中， 该群组业务处理模块在第二判断模块 判断寻呼消息包含的群组标识与本终端所属群组的群组标识相同时， 判断寻 呼消息包含的群组的优先级是否高于当前群组的优先级， 如果高于， 则使本 集群终端退出当前群组业务， 接入寻呼消息的群组标识所指示的群组业务； 如果不高于， 则不处理。
以下通过应用示例对上述实施例进行详细描述， 在不冲突的情况下， 各 应用示例及示例中的特征可以相互任意组合。
应用示例 1
如图 4所示， 本示例中， 主叫与被叫不在同一小区， 且被叫集群终端处 于空闲态， 支持集群业务的基站向被叫集群终端发送的寻呼消息包含群组标 识， 被叫集群终端立即发送寻呼响应， 包括以下步骤：
步骤 101 , 基站确定集群寻呼时隙并通知集群终端 (比如在 SIB中通知 终端， 但不局限于 SIB ) ；
该集群寻呼时隙用于供集群终端监听集群寻呼。
步骤 102 , 在组呼建立时， 基站将本小区下需要给各个群组发送的寻呼 消息合并， 在确定的集群寻呼时隙发送给本小区下的集群终端， 该寻呼消息 携带有需要寻呼的群组的群组标识（GroupID, 或称群组号） ；
优选地， 该寻呼消息还可以携带其它群组信息， 例如 T-RNTI ( Trunking-Radio Network Temporary Identity , 集群 -无线网络临时标识）等。
步骤 103 , 终端在基站通知的时隙接收并解调出寻呼消息；
步骤 104 , 终端判断当寻呼消息携带的群组号和本终端所属的群组号相 同， 立即向基站发送寻呼响应， 终端判断当寻呼消息携带的群组号和本终端 所属的群组号不相同， 则不发寻呼响应；
步骤 105 , 基站收到寻呼响应消息后， 判断该小区下发送寻呼响应的集 群终端所属群组的群组资源未建立， 则为该群组建立资源， 并周期发送寻呼 消息。
在周期性发送寻呼消息时， 如果有多个群组的寻呼消息， 也可以合并发
送。
应用示例 2
如图 5所示， 本示例中， 主叫与被叫不在同一小区， 且被叫集群终端处 于空闲态， 支持集群业务的基站向被叫集群终端发送的寻呼消息包含群组标 识， 被叫集群终端延时发送寻呼响应， 包括以下步骤：
步骤 201 , 基站确定集群寻呼时隙并通知集群终端 （比如在 SIB中通知 终端， 但不局限于 SIB ) ；
步骤 202, 在组呼建立时， 基站将本小区下需要给各个群组发送的寻呼 消息合并， 在确定的集群寻呼时隙发送给本小区下的集群终端， 该寻呼消息 携带有需要寻呼的群组的群组标识（还可以包括其他群组信息） ； 步骤 203 , 终端在基站通知的时隙接收并解调出寻呼消息；
步骤 204, 终端判断当寻呼消息携带的群组号和本终端所属的群组号相 同， 则通过随机延迟算法， 确定向基站发送寻呼响应的时刻， 并在计算的寻 呼响应时刻发送寻呼响应， 如果寻呼消息没有与本终端所属的群组号相匹配 的群组号， 则不发寻呼响应；
步骤 205 , 基站收到寻呼响应消息后， 判断该小区下发送寻呼响应的集 群终端所述群组的群组资源未建立， 则为该群组建立资源， 并周期发送寻呼 消息。
应用示例 3
如图 6所示， 本示例中， 主叫与被叫不在同一小区， 且被叫集群终端处 于空闲态， 支持集群业务的基站向被叫集群终端发送的寻呼消息包含群组标 识以及寻呼响应标识字段（bNeedPagingResponse ) , 被叫集群终端立即发送 寻呼响应， 包括以下步骤：
步骤 301 , 基站确定集群寻呼时隙并通知集群终端 (比如在 SIB中通知 终端， 但不局限于 SIB ) ；
步骤 302 , 在组呼建立时， 基站将本小区下需要给各个群组发送的寻呼 消息合并， 在确定的集群寻呼时隙发送给本小区下的集群终端， 该寻呼消息 携带有需要寻呼的群组的群组标识（还可以包括其他群组信息）， 以及是否需 要返回寻呼响应的标 i只 bNeedPagingResponse , 该 bNeedPagingResponse初始 值为 1 ;
步骤 303 , 终端在基站通知的时隙接收并解调出寻呼消息；
步骤 304 , 终端判断当寻呼消息携带的群组号和本终端所属的群组号相 同， 并且 bNeedPagingResponse = 1时， 立即向基站发送寻呼响应， 否则不发 寻呼响应；
步骤 305 , 基站收到寻呼响应消息后， 判断该小区下发送寻呼响应的集 群终端所述群组的群组资源未建立， 则为该群组建立资源， 设置该群组的寻 呼消息的 bNeedPagingResponse = 0 , 周期发送该寻呼消息。
该 bNeedPagingResponse标志位与群组对应， 即一个群组对应一个标识， 只要群组中有一个终端反馈了寻呼响应， 则基站将该群组的寻呼响应标识置 为 0。
应用示例 4
如图 7所示， 本示例中， 主叫与被叫不在同一小区， 且被叫集群终端处 于空闲态， 支持集群业务的基站向被叫集群终端发送的寻呼消息包含群组标 识以及寻呼响应标识字段（bNeedPagingResponse ) , 被叫集群终端延时发送 寻呼响应， 包括以下步骤：
步骤 401 , 基站确定集群寻呼时隙并通知集群终端 （比如在 SIB中通知 终端， 但不局限于 SIB ) ；
步骤 402 , 在组呼建立时， 基站将本小区下需要给各个群组发送的寻呼 消息合并， 在确定的集群寻呼时隙发送给本小区下的集群终端， 该寻呼消息 携带有需要寻呼的群组的群组标识（还可以包括其他群组信息） ， 以及是否 需要返回寻呼响应的标 i只 bNeedPagingResponse , 该 bNeedPagingResponse初 始值为 1 ;
步骤 403 , 终端在基站通知的时隙接收并解调出寻呼消息； 步骤 404 , 终端判断当寻呼消息携带的群组号和本终端所属的群组号相 同， 并且bNeedPagingResponse = l时， 通过随机算法， 确定向基站发送寻呼 响应的时刻， 并在计算的寻呼响应时刻发送寻呼响应， 如果寻呼消息没有携 带本终端所属的组号， 或者 bNeedPagingResponse = 0， 则不发寻呼响应； 步骤 405 , 基站收到寻呼响应消息后， 判断该小区下发送寻呼响应的集 群终端所述的群组资源未建立， 则为该群组建立资源， 设置该群组的寻呼消 息的 bNeedPagingResponse = 0 , 周期发送该寻呼消息。
应用示例 5
如图 8所示， 本示例中， 主叫与被叫不在同一小区， 且被叫集群终端处 于空闲态， 支持集群业务的基站向被叫集群终端发送的寻呼消息包含群组标 识， 集群终端收到寻呼消息后不发送寻呼响应， 包括以下步骤：
步骤 501 , 基站确定集群寻呼时隙并通知集群终端 (比如在 SIB中通知 终端， 但不局限于 SIB ) ；
步骤 502 , 在组呼建立时， 基站将本小区下需要给各个群组发送的寻呼 消息合并， 在确定的集群寻呼时隙发送给本小区下的集群终端， 该寻呼消息 携带有需要寻呼的群组的群组标识（还可以包括其他群组信息） ； 步骤 503 , 终端在基站通知的时隙接收并解调出寻呼消息；
步骤 504,终端判断寻呼消息携带的群组号和本终端所属的群组号相同， 不发寻呼响应；
步骤 505 , 基站不等待寻呼响应消息， 直接为被寻呼的群组建立资源， 并周期发送寻呼消息。
判断寻呼消息携带的群组号和本终端所属的群组号相同的终端接入组 呼，判断寻呼消息携带的组号和本终端所属的组号不相同的终端不接入组呼。
在其他示例中， 也可以设置基站不等待寻呼响应就建立群组资源。
应用示例 6
如图 9所示， 本示例描述主叫与被叫不在同一小区， 且被叫集群终端处 于 LTE业务状态时收到寻呼消息后的处理， 包括以下步骤：
步骤 601 , 基站确定集群寻呼时隙并通知集群终端 (比如在 SIB中通知 终端， 但不局限于 SIB ) ；
步骤 602, 基站将本小区下需要给各个群组发送的寻呼消息合并， 在确 定的集群寻呼时隙发送给本小区下的集群终端， 该寻呼消息携带有需要寻呼 的群组的群组标识（还可以包括其他群组信息） ；
步骤 603 ,集群终端在 LTE业务态收到集群寻呼消息，在 PUSCH( Physical Uplink Shared Channel , 物理上行共享信道 )上向基站发送寻呼响应；
步骤 604, 基站收到寻呼响应消息后， 判断该小区下发送寻呼响应的集 群终端所述的群组资源未建立，则为该群组建立资源，并周期发送寻呼消息； 步骤 605, 该集群终端接入集群业务。
在本示例中， 集群终端可以立即向基站发送寻呼响应， 也可以延时后再 发送。 在其他示例中， 同应用示例 3或应用示例 4中所述， 该基站还可以在 寻呼消息携带寻呼响应标志位， 集群终端根据该标志位判断是否发送寻呼响 应， 如果需要发送， 终端可以立即发送也可以延时后再发送。
应用示例 7
如图 10所示，本示例描述主叫与被叫属于同一小区时基站的处理， 包括 以下步骤：
步骤 701 , 基站确定集群寻呼时隙并通知集群终端 (比如在 SIB中通知 终端， 但不局限于 SIB ) ；
步骤 702, 在组呼建立时， 基站判断主叫属于本小区， 即被叫与主叫同 属于一个小区， 则默认该小区下有集群用户， 直接建立群组资源， 即可以在 发送寻呼消息前建立群组资源， 也可以在发送寻呼消息同时建立群组资源， 总之不必先发寻呼消息再建立群组资源。
被叫集群终端收到寻呼消息后的处理可参考上述应用示例中的实现。
应用示例 8
本示例描述基站发送的寻呼消息携带优先级的场景， 即基站发送的寻呼 消息携带与需要寻呼的群组对应的优先级标识信息。 本示例可与上述任一示 例组合。
当某终端同时属于多个群组， 且刚好该多个群组同时进行业务， 就会出 现： 终端在对寻呼消息进行判断时， 寻呼消息包含的多个群组标识与本终端 所属群组标识相同， 此时可根据群组的优先级标识信息， 选择接入优先级最 高的群组的群组业务。
另一种情况是， 终端当前正处于群组业务中， 在监听到寻呼消息后， 判 断寻呼消息包含的群组标识与本终端所属群组标识相同， 且寻呼消息的群组 的优先级高于当前群组的优先级， 则可退出当前群组业务， 接入该寻呼消息 的群组标识所指示的群组业务， 判断寻呼消息包含的群组标识与本终端所属 群组标识不相同， 或者寻呼消息的群组的优先级不高于当前群组的优先级， 则可不响应该寻呼消息。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序 来指令相关硬件完成， 所述程序可以存储于计算机可读存储介质中， 如只读 存储器、 磁盘或光盘等。 可选地， 上述实施例的全部或部分步骤也可以使用 一个或多个集成电路来实现。 相应地， 上述实施例中的各模块 /单元可以釆用 硬件的形式实现， 也可以釆用软件功能模块的形式实现。 本发明不限制于任 何特定形式的硬件和软件的结合。
当然， 本发明还可有其他多种实施例， 在不背离本发明精神及其实质的 但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。
工业实用性
本实施例减少了系统周期发送集群寻呼的复杂度， 减少上行寻呼响应和 下行寻呼开销， 提高系统容量。 将相同小区下不同群组的集群寻呼合并在约 定时隙发送， 同时在收到群组终端的寻呼响应后， 通过寻呼消息中的寻呼响 应标志位控制终端不再发送寻呼响应， 减少了寻呼造成的开销， 提高了系统 冲突。
Claims
1、 一种长期演进（LTE ) 系统中发送集群寻呼的方法， 包括： 基站收到群组寻呼请求后， 在预先确定的寻呼时隙向本小区内集群终端 发送寻呼消息， 所述寻呼消息包含需要寻呼的群组的群组标识。
2、 如权利要求 1所述的方法， 其中：
所述基站在预先确定的寻呼时隙向本小区内集群终端发送寻呼消息， 包 括：
所述基站判断所述群组寻呼请求中的主叫属于本小区， 且本小区内所述 群组寻呼请求的资源未建立， 则在为所述群组寻呼请求建立群组资源的同时 或者在为所述群组寻呼请求建立群组资源后， 在预先确定的寻呼时隙向本小 区内集群终端发送寻呼消息； 所述基站判断所述群组寻呼请求中的主叫不属 于本小区， 则在预先确定的寻呼时隙向本小区内集群终端发送寻呼消息。
3、 如权利要求 1或 2所述的方法， 其中：
所述在预先确定的寻呼时隙向本小区内集群终端发送寻呼消息， 包括： 当本小区内有两个以上群组的寻呼消息要发送时， 合并所述两个以上群 组的寻呼消息， 在预先确定的寻呼时隙向本小区内集群终端发送合并后的寻 呼消息。
4、 如权利要求 1或 2所述的方法， 其中：
发送寻呼消息后， 所述方法还包括：
所述基站不等待寻呼响应， 判断本小区内所述群组寻呼请求的资源未建 立， 则为所述群组寻呼请求建立资源， 周期性发送寻呼消息。
5、 如权利要求 4所述的方法， 其中：
所述周期性发送寻呼消息， 包括： 周期性合并本小区内需要寻呼的群组 的寻呼消息并发送， 所述寻呼消息包含需要寻呼的一个或多个群组的群组标 识。
6、 如权利要求 1或 2所述的方法， 其中：
所述寻呼消息还包括与需要寻呼的群组对应的寻呼响应标识信息， 所述
寻呼响应标识信息用于指示对应群组中的终端是否需要发送寻呼响应。
7、 如权利要求 6所述的方法， 其中：
在所述基站收到群组中的一个或多个终端发送的寻呼响应后， 再次向所 述群组中的终端发送寻呼消息时， 所述寻呼响应标识信息指示所述群组中的 终端不需要发送寻呼响应。
8、 如权利要求 1所述的方法， 其中：
所述寻呼消息还包括与需要寻呼的群组对应的优先级标识信息。
9、 如权利要求 1所述的方法， 其中：
所述本小区内集群终端包括处于空闲态的集群终端和 /或处于 LTE业务 状态的集群终端。
10、 一种长期演进（LTE ) 系统中接收集群寻呼的方法， 包括： 集群终端监听到寻呼消息后， 判断所述寻呼消息包含的群组标识与本集 群终端所属群组的群组标识相同， 则接入群组业务；
所述集群终端向基站发送寻呼响应， 或者不向所述基站发送寻呼响应， 或者根据所述寻呼消息包含的寻呼响应标识信息判断是否向所述基站发送寻 呼响应。
11、 如权利要求 10所述的方法， 其中：
所述集群终端处于 LTE业务状态时， 所述向基站发送寻呼响应， 包括： 所述集群终端在物理上行共享信道（PUSCH )发送寻呼响应。
12、 如权利要求 10所述的方法， 其中：
所述根据所述寻呼消息包含的寻呼响应标识信息判断是否向所述基站发 送寻呼响应， 包括：
判断所述寻呼响应标识信息指示需要发送寻呼响应， 则所述集群终端向 所述基站发送寻呼响应， 判断所述寻呼响应标识信息指示不需要发送寻呼响 应， 则所述集群终端不向所述基站发送寻呼响应。
13、 如权利要求 10或 11或 12所述的方法， 其中：
所述向基站发送寻呼响应， 包括： 所述集群终端立即向基站发送寻呼响
应， 或者延时后再向基站发送寻呼响应。
14、 如权利要求 10所述的方法， 其中：
所述寻呼消息还包括与群组对应的优先级标识信息；
所述判断寻呼消息包含的群组标识与本终端所属群组的群组标识相同， 则接入群组业务， 包括：
判断所述寻呼消息包含的两个以上群组标识与本终端所属群组的群组标 识相同， 根据与群组对应的优先级标识信息， 选择接入优先级最高的群组的 群组业务。
15、 如权利要求 10或 14所述的方法， 其中：
所述寻呼消息还包括与群组对应的优先级标识信息； 所述集群终端处于 群组业务中， 所述判断寻呼消息包含的群组标识与本终端所属群组的群组标 识相同， 则接入群组业务， 包括：
所述处于群组业务中的集群终端判断所述寻呼消息包含的群组标识与本 终端所属群组的群组标识相同， 且所述寻呼消息包含的群组的优先级高于当 前群组的优先级， 则退出当前群组业务， 接入所述寻呼消息包含的群组标识 所指示的群组业务。
16、 一种长期演进（LTE ) 系统中发送集群寻呼的基站， 包括接收模块 和发送模块， 其中：
所述接收模块， 设置为接收群组寻呼请求；
所述发送模块， 设置为： 在所述接收模块接收到所述群组寻呼请求后， 在预先确定的寻呼时隙向本小区内集群终端发送寻呼消息， 所述寻呼消息包 含需要寻呼的群组的群组标识。
17、 如权利要求 16所述的基站， 其中：
所述基站还包括判断模块， 其设置为： 在所述接收模块接收到所述群组 寻呼请求后， 判断所述群组寻呼请求中的主叫是否属于本基站小区；
所述发送模块是设置为：
在所述判断模块判断所述群组寻呼请求中的主叫属于本小区， 且本小区
内所述群组寻呼请求的资源未建立时， 在为所述群组寻呼请求建立群组资源 的同时或者在为所述群组寻呼请求建立群组资源后， 在预先确定的寻呼时隙 向本小区内集群终端发送寻呼消息； 以及在所述判断模块判断所述群组寻呼 请求中的主叫不属于本小区时， 在预先确定的寻呼时隙向本小区内集群终端 发送寻呼消息。
18、 如权利要求 16或 17所述的基站， 其中：
所述发送模块是设置为：
在本小区内有两个以上群组的寻呼消息要发送时， 合并所述两个以上群 组的寻呼消息， 在预先确定的寻呼时隙向本小区内集群终端发送合并后的寻 呼消息。
19、 如权利要求 16或 17所述的基站， 其中：
所述基站还包括资源建立模块， 其设置为： 在所述发送模块发送寻呼消 息后， 不等待寻呼响应， 判断本小区内所述群组寻呼请求的资源未建立时， 为所述群组寻呼请求建立资源 , 并指示所述发送模块周期性发送寻呼消息。
20、 如权利要求 19所述的基站， 其中：
所述发送模块是设置为以如下方式周期性发送寻呼消息： 周期性合并本 小区内需要寻呼的群组的寻呼消息并发送， 所述寻呼消息包含需要寻呼的一 个或多个群组的群组标识。
21、 如权利要求 16或 17所述的基站， 其中：
所述寻呼消息还包括与需要寻呼的群组对应的寻呼响应标识信息， 所述 寻呼响应标识信息用于指示对应群组中的终端是否需要发送寻呼响应。
22、 如权利要求 21所述的基站， 其中：
所述基站还包括寻呼响应标识信息设置模块， 其寻呼响应标识信息在所 述基站收到群组中的一个或多个终端发送的寻呼响应后， 所述发送模块再次 向所述群组中的终端发送寻呼消息时， 设置所述寻呼响应标识信息指示所述 群组中的终端不需要发送寻呼响应。
23、 如权利要求 16所述的基站， 其中：
所述寻呼消息还包括与需要寻呼的群组对应的优先级标识信息。
24、 如权利要求 16所述的基站， 其中：
所述本小区内集群终端包括处于空闲态的集群终端和 /或处于 LTE业务 状态的集群终端。
25、 一种长期演进（LTE ) 系统中接收集群寻呼的集群终端， 包括监听 模块、 判断模块和群组业务处理模块， 其中：
所述监听模块， 其设置为： 监听寻呼消息；
所述判断模块， 其设置为： 在所述监听模块监听到寻呼消息后， 判断所 述寻呼消息包含的群组标识是否与本终端所属群组的群组标识相同；
所述群组业务处理模块， 其设置为： 在所述判断模块判断所述寻呼消息 包含的群组标识与本集群终端所属群组的群组标识相同时， 接入群组业务， 向基站发送寻呼响应， 或者不向所述基站发送寻呼响应， 或者根据所述寻呼 消息包含的寻呼响应标识信息判断是否向所述基站发送寻呼响应。
26、 如权利要求 25所述的集群终端， 其中：
所述群组业务处理模块是设置为以如下方式向基站发送寻呼响应： 所述 群组业务处理模块判断本集群终端处于 LTE业务状态时，在物理上行共享信 道（PUSCH )发送寻呼响应。
27、 如权利要求 25所述的集群终端， 其中：
所述群组业务处理模块是设置为以如下方式判断是否向所述基站发送寻 呼响应：
判断所述寻呼响应标识信息指示需要发送寻呼响应， 则向所述基站发送 寻呼响应， 判断所述寻呼响应标识信息指示不需要发送寻呼响应， 则不向所 述基站发送寻呼响应。
28、 如权利要求 25或 26或 27所述的集群终端， 其中：
所述群组业务处理模块是设置为以如下方式向基站发送寻呼响应： 立即 向基站发送寻呼响应， 或者延时后再向基站发送寻呼响应。
29、 如权利要求 25所述的集群终端， 其中：
所述寻呼消息还包括与群组对应的优先级标识信息；
所述群组业务处理模块是设置为以如下方式接入群组业务：
在所述判断模块判断所述寻呼消息包含的两个以上群组标识与本终端所 属群组的群组标识相同时， 根据与群组对应的优先级标识信息， 选择接入优 先级最高的群组的群组业务。
30、 如权利要求 25或 29所述的集群终端， 其中：
所述寻呼消息还包括与群组对应的优先级标识信息， 且当前集群终端处 于群组业务中时，所述群组业务处理模块是设置为以如下方式接入群组业务： 在所述判断模块判断所述寻呼消息包含的群组标识与本终端所属群组的 群组标识相同时， 判断所述寻呼消息包含的群组的优先级高于当前群组的优 先级， 则使所述集群终端退出当前群组业务， 接入所述寻呼消息包含的群组 标识所指示的群组业务。
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| JP2015540022A JP6085033B2 (ja) | 2012-10-31 | 2013-08-02 | Ｌｔｅシステムにおいてトランキングページングを送受信する方法及び対応する装置 |
| US14/439,434 US10117221B2 (en) | 2012-10-31 | 2013-08-02 | Method and corresponding apparatus for sending and receiving trunking paging in LTE system |
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| JP2017531336A (ja) * | 2014-06-30 | 2017-10-19 | ゼットティーイー コーポレーションＺｔｅ Ｃｏｒｐｏｒａｔｉｏｎ | トランキング通信サービス処理方法、コアネットワーク装置、及びｕｅ、記憶媒体 |
| CN114143723A (zh) * | 2020-09-03 | 2022-03-04 | 成都鼎桥通信技术有限公司 | Nr小区中集群寻呼消息的发送与接收方法及设备 |
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Also Published As
| Publication number | Publication date |
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| US20150296481A1 (en) | 2015-10-15 |
| EP2903313A1 (en) | 2015-08-05 |
| CN103796175A (zh) | 2014-05-14 |
| JP2015537450A (ja) | 2015-12-24 |
| JP6085033B2 (ja) | 2017-02-22 |
| US10117221B2 (en) | 2018-10-30 |
| CN103796175B (zh) | 2019-09-24 |
| EP2903313A4 (en) | 2016-01-06 |
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