CN108574985B - Method and device in user equipment and base station used for wireless paging communication - Google Patents
Method and device in user equipment and base station used for wireless paging communication Download PDFInfo
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- CN108574985B CN108574985B CN201710141055.8A CN201710141055A CN108574985B CN 108574985 B CN108574985 B CN 108574985B CN 201710141055 A CN201710141055 A CN 201710141055A CN 108574985 B CN108574985 B CN 108574985B
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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
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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Abstract
The invention discloses a method and a device in user equipment, a base station and the like which are used for wireless paging communication. The UE monitors first information in a first set of time-frequency resources. The first information comprises a first identity, which is used for determining the first terminal group. The first terminal group comprises K terminals, and K is a positive integer greater than 1. The K terminals are in a non-connected state in the cellular network. And at least one UE in the first terminal group is paged by a network side. The UE is one of the terminals in the first terminal group, and the first identifier is an integer. The invention effectively reduces the problem that a large amount of downlink resources are occupied by the paging messages because the paging messages are transmitted in a beam scanning mode in the paging process by designing the first identifier, further reduces the occupation of non-data channels on frequency spectrum resources, and improves the frequency spectrum efficiency of a system in a limited way.
Description
Technical Field
The present application relates to transmission schemes in wireless communication systems, and more particularly, to methods and apparatus in supporting wireless paging communications.
Background
In the nr (new radio) system, a high frequency band is used for wireless communication. Since the attenuation of radio signals is particularly strong in the high frequency band, a Beam (Beam) enhanced transmission scheme is used in the NR system to resist the attenuation of signals. Due to the limited coverage of the beams, the base station in the NR system uses a Beam scanning (Beam sweeping) approach to ensure coverage of the entire cell. Paging messages in NR systems need to be transmitted in a beam-scanning manner.
In the LTE system, a paging message is used by the network side to notify the user equipment of an Incoming call (Incoming call) or data transmission from the network side. The paging message is also used to inform System information update, EWTS (Earthquake and Tsunami Warning System) and CMAS (Commercial Mobile Alert Service). The paging proxy transmits a paging message to all base stations within a TA (Tracking Area) with which the user is registered. And the base station transmits the paging message in a group in the cell at an appointed time according to the identification of the user in the paging message. The user equipment listens for paging messages at the appointed time.
Disclosure of Invention
The inventors have found that in the NR system, a paging message is transmitted in a beam scanning manner. For beam scanning, one paging message will be transmitted on multiple beams. If the downlink bandwidth is small, the downlink system resource will be occupied by a large amount of paging messages. This can seriously affect the system data transmission performance.
The present application provides a solution to the above problems. It should be noted that the embodiments and features of the embodiments of the present application may be arbitrarily combined with each other without conflict. For example, embodiments and features in embodiments in the UE of the present application may apply to the base station and vice versa.
The application discloses a method used in UE of wireless paging communication, wherein, comprising the following steps:
-step a. monitoring first information in a first set of time-frequency resources.
Wherein the first information comprises a first identity, which is used for determining the first terminal group. The first terminal group comprises K terminals, and K is a positive integer greater than 1. The K terminals are in a non-connected state in the cellular network. At least one terminal in the first terminal group is paged by a network side. The UE is one of the terminals in the first terminal group, and the first identifier is an integer.
As an embodiment, all terminals in the first terminal group belong to one TA.
As an embodiment, the core network divides all UEs under one TA into multiple terminal groups. The first information is used for paging terminals in one of the terminal groups without including information of all terminals in the terminal group.
For one embodiment, the first information includes a Paging record (Paging decoder).
The above embodiment reduces the number of terminals included in the paging record, thereby reducing the time-frequency resources actually required for transmitting the paging record. When a large number of users exist in a TA and the paging information is transmitted in a beam sweeping manner, the method effectively reduces the resource occupancy rate of the paging information and improves the system efficiency.
As an embodiment, the UE may perform subsequent paging-related operations only after searching for the first information.
As an embodiment, the transmission frequency of the first information is configurable.
The embodiment can simplify the operation of the UE and effectively reduce the power consumption of the UE.
As an embodiment, the UE belongs to one TA, and the TA includes a positive integer number of terminals. The positive integer number of terminals is divided into N terminal groups, N being a positive integer greater than 1. The first terminal group belongs to the N terminal groups. The first identification is used to uniquely identify the first group of terminals from the N groups of terminals.
As an embodiment, the first information is further used for notifying terminal system information change in the first terminal group.
As an embodiment, the first information only includes the first identification.
As an embodiment, the K terminals respectively correspond to K terminal identifiers.
As an embodiment, said first identity is associated to said K terminal identities.
As an embodiment, the first identifier indicates the K terminal identifiers.
As an embodiment, the terminal Identity is S-TMSI (SAE temporal Mobile Subscriber Identity, SAE Temporary Mobile Subscriber Identity), and the SAE is System Architecture Evolution (System Architecture Evolution).
As an embodiment, the terminal identifier is an IMSI (International Mobile Subscriber identity Number).
As an embodiment, the terminal identity is related to an RNTI (Radio Network Temporary identity).
As a sub-embodiment of this embodiment, the corresponding RNTI is a C-RNTI (Cell-RNTI, Cell radio network temporary identity).
As an embodiment, the unconnected state corresponds to an RRC (Radio Resource Control) Idle state.
As an embodiment, the unconnected state corresponds to an RRC Inactive state.
Specifically, according to one aspect of the present application, the method is characterized by further comprising the steps of:
-step b. transmitting the second information in the second time-frequency resource.
Wherein the UE detects the first information in the first set of time-frequency resources, and the second information includes a second identity. The second identity is used for determining the UE from the first group of terminals.
As an embodiment, the first set of time-frequency resources is used for determining the second time-frequency resource.
As an embodiment, the first set of time-frequency resources and the second set of time-frequency resources correspond one to one.
As an embodiment, the correspondence between the first set of time-frequency resources and the second time-frequency resources is fixed or configurable.
As an embodiment, the transmission of the second information is unlicensed (Grant-Free), or the transmission of the second information is Contention-Based (Contention-Based).
As an embodiment, the sending of the second information is independent of a scheduling (Grant) on the network side.
As an embodiment, the second information includes identification information of the UE.
As a sub-embodiment of this embodiment, the identification information is one of S-TMSI, IMSI, and C-RNTI.
As an embodiment, the second information is a bit sequence generated based on a C-RNTI of the UE.
As an embodiment, the second information is a sequence.
Specifically, according to one aspect of the present application, the method is characterized in that the step a further includes the following steps:
step A0. determines the first set of terminals.
Wherein the first identity is related to the K terminals. The K terminals monitor the first information in the first set of time-frequency resources.
As an embodiment, the identifiers corresponding to the K terminals and X1 are modulo to obtain X2. The X2 is used to determine the first identity. The X1 is a positive integer and the X2 is a non-negative integer.
As an embodiment, the association information of the K terminals and the first terminal group is configured by higher layer signaling.
As an embodiment, the association information of the K terminals with the first terminal group is specified by a protocol.
As an embodiment, the K terminals all support the same service.
As an embodiment, the K terminals are served under the same service.
Specifically, according to one aspect of the present application, the method is characterized by further comprising the steps of:
-step c.
Wherein the third information is used to determine the second identity. The third information further includes at least one of a system information change indication, an ETWS message and a CMAS message.
As an embodiment, the third information includes an identity of the UE.
As a sub-embodiment of this embodiment, the identity is at least one of S-TMSI, IMSI, and C-RNTI.
As an embodiment, the Physical layer Channel corresponding to the third information is a PDSCH (Physical Downlink Shared Channel).
As an embodiment, a transmission Channel corresponding to the third information is a DL-SCH (Downlink Shared Channel).
The application discloses a method used in a base station of wireless paging communication, which comprises the following steps:
-step a. transmitting first information in a first set of time-frequency resources;
wherein the first information comprises a first identity, which is used for determining the first terminal group. The first terminal group comprises K terminals, and K is a positive integer greater than 1. The K terminals are in a non-connected state in the cellular network. The first identifier is an integer.
Specifically, according to one aspect of the present application, the method is characterized by further comprising the steps of:
-step b. receiving second information in a second time-frequency resource.
Wherein the second information comprises a second identification. The second identity is used for determining a sender of the second information from the first group of terminals.
As an embodiment, the sender of the second information is a UE.
As an embodiment, the sender of the second information is a terminal.
Specifically, according to one aspect of the present application, the method is characterized in that the step a further includes the following steps:
step A0. determines the first set of terminals.
Wherein the first identity is related to the K terminals. The K terminals monitor the first information in the first set of time-frequency resources.
Specifically, according to one aspect of the present application, the method is characterized by further comprising the steps of:
-step c.
Wherein the third information is used to determine the second identity. The third information further includes at least one of a system information change indication, an ETWS message and a CMAS message.
Specifically, according to one aspect of the present application, the method is characterized in that the step a further includes the following steps:
-a step a10. receiving fourth information.
Wherein the fourth information comprises a set of identifications of senders of the second information. The second identity belongs to the set of identities. The fourth information is transmitted through an S1 interface.
As an embodiment, a sender of the fourth signaling is a network side device, or a sender of the fourth signaling is a core network entity.
As an embodiment, the fourth signaling is transmitted through a core network.
The application discloses a method used in a paging proxy for wireless paging communication, comprising the steps of:
-step a. sending the fourth information.
Wherein the fourth information comprises a set of identities of a given UE. The fourth information is transmitted through an S1 interface.
As one embodiment, the set of identities includes at least one of an S-TMSI, an IMSI, and a C-RNTI for the given UE.
As an embodiment, the fourth signaling is transmitted through a core network.
As an embodiment, the given UE corresponds to a sender of the second information in the present application.
As an embodiment, the paging agent is a Mobility Management Entity (MME).
The application discloses a user equipment used for wireless paging communication, which comprises the following modules:
-a first receiving module: for monitoring first information in a first set of time-frequency resources.
Wherein the first information comprises a first identity, which is used for determining the first terminal group. The first terminal group comprises K terminals, and K is a positive integer greater than 1. The K terminals are in a non-connected state in the cellular network. At least one terminal in the first terminal group is paged by a network side. The user equipment is one of the terminals in the first terminal group, and the first identifier is an integer.
As an embodiment, the user equipment used for radio paging communication described above is characterized by further comprising the following modules:
-a first sending module: for transmitting the second information in the second time-frequency resource.
Wherein the UE detects the first information in the first set of time-frequency resources, and the second information includes a second identity. The second identity is used for determining the UE from the first group of terminals.
As an embodiment, the user equipment used for radio paging communication described above is characterized in that the first receiving module is further configured to determine the first terminal group. The first identity is related to the K terminals. The K terminals monitor the first information in the first set of time-frequency resources.
As an embodiment, the user equipment used for radio paging communication described above is characterized by further comprising the following modules:
-a second receiving module: for receiving the third information.
Wherein the third information is used to determine the second identity. The third information further includes at least one of a system information change indication, an ETWS message and a CMAS message.
The application discloses a base station device used for wireless paging communication, which comprises the following modules:
-a second sending module: for transmitting first information in a first set of time-frequency resources.
Wherein the first information comprises a first identity, which is used for determining the first terminal group. The first terminal group comprises K terminals, and K is a positive integer greater than 1. The K terminals are in a non-connected state in the cellular network. The first identifier is an integer.
As an embodiment, the base station device used for radio paging communication described above is characterized by further comprising:
-a third receiving module: for receiving second information in a second time-frequency resource.
Wherein the second information comprises a second identification. The second identity is used for determining a sender of the second information from the first group of terminals.
As an embodiment, the base station device used for radio paging communication described above is characterized in that the second transmission module is further configured to determine the first terminal group. The first identity is related to the K terminals. The K terminals monitor the first information in the first set of time-frequency resources.
As an embodiment, the base station device used for radio paging communication described above is characterized by further comprising:
-a third sending module: for transmitting the third information.
Wherein the third information is used to determine the second identity. The third information further includes at least one of a system information change indication, an ETWS message and a CMAS message.
As an embodiment, the base station device used for radio paging communication described above is characterized by further comprising:
-a fourth receiving module: for receiving the fourth information.
Wherein the fourth information comprises a set of identifications of senders of the second information. The second identity belongs to the set of identities. The fourth information is transmitted through an S1 interface.
The application discloses a paging proxy device used for wireless paging communication, which comprises the following modules:
-a fourth sending module: for transmitting the fourth information.
Wherein the fourth information comprises a set of identities of a given UE. The fourth information is transmitted through an S1 interface.
As an embodiment, the given UE corresponds to a sender of the second information in the present application.
As an embodiment, compared with the prior art, the present application has the following technical advantages:
by converting the transmission of paging messages containing subscriber identities into the transmission of paging messages containing subscriber group identities, the resources consumed by downlink transmission are effectively reduced.
Through the user's own identification transmitted in uplink, the base station obtains whether there is a user in the coverage of the base station that needs to receive the paging message, thereby effectively reducing the transmission of the paging message in the tracking area.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 shows a flow diagram of a first information transfer according to an embodiment of the present application;
fig. 2 shows a schematic diagram of a first set of time-frequency resources and a second set of time-frequency resources according to an embodiment of the application;
fig. 3 shows a block diagram of a processing device in a UE according to an embodiment of the application;
fig. 4 shows a block diagram of a processing means in a base station according to an embodiment of the present application;
fig. 5 shows a block diagram of a processing means in a paging proxy according to an embodiment of the present application.
Detailed Description
The technical solutions of the present application will be further described in detail with reference to the accompanying drawings, and it should be noted that the embodiments and features of the embodiments of the present application can be arbitrarily combined with each other without conflict.
Example 1
Embodiment 1 illustrates a flow chart of a first information transmission according to the present application, as shown in fig. 1. In fig. 1, a base station N1 is a maintaining base station of a serving cell of a UE U2, and a paging proxy P3 is a core network entity connected to the base station N1 for paging.
For theBase station N1Receiving the fourth information in step S10, determining the first terminal group in step S11, sending the first information in the first set of time-frequency resources in step S12, receiving the second information in the second set of time-frequency resources in step S13, and sending the third information in step S14.
For theUE U2Determining the first terminal group in step S20, receiving the first information in the first set of time-frequency resources in step S21, transmitting the second information in the second set of time-frequency resources in step S22, receiving the second information in step S23And (4) three information.
For thePaging proxy P3The fourth information is transmitted in step S30.
In embodiment 1, the first information comprises a first identifier, and the first identifier is used for determining the first terminal group. The first terminal group comprises K terminals, and K is a positive integer greater than 1. The K terminals are in a non-connected state in the cellular network. At least one terminal in the first terminal group is paged by a network side. The UE U2 is one of the terminals in the first terminal group, and the first identifier is an integer. The UE U2 detects the first information in the first set of time-frequency resources, the second information including a second identity. The second identity is used to determine the UE U2 from the first terminal group. The first identity is related to the K terminals. The K terminals monitor the first information in the first set of time-frequency resources. The third information is used to determine the second identity. The third information further includes at least one of a system information change indication, an ETWS message and a CMAS message. The fourth information includes a set of identities of the UE U2. The second identity belongs to the set of identities. The fourth information is transmitted through an S1 interface.
As a sub-embodiment, the physical layer channel corresponding to the first information is a PDSCH.
As a sub-embodiment, the transmission channel corresponding to the first information is a DL-SCH.
As a sub-embodiment, the Physical layer Channel corresponding to the first information is at least one of a PDCCH (Physical Downlink Control Channel), an sPDCCH (Short Physical Downlink PDCCH, Short delay Physical Downlink Control Channel), an N-PDCCH (narrow band Physical Downlink PDCCH), and an M-PDCCH (Machine-Type Physical Downlink Control Channel, internet of things Physical Downlink Control Channel).
As a sub-embodiment, the logical Channel corresponding to the first information is a PCCH (Paging Control Channel).
As a sub-embodiment, the logical channel corresponding to the third information is a PCCH.
Example 2
Embodiment 2 illustrates a schematic diagram of a first set of time-frequency resources according to the present application, as shown in fig. 2. In fig. 2, the first set of time-frequency resources includes K1 Resource candidates, and the Resource candidates include K2 REs (Resource elements). The K1 candidate resource groups are periodically distributed, with the period equal to T milliseconds (ms). The K1, the K2 and the T are all positive integers. The first information in this application is sent in the target resource group shown in the figure, and the target resource group is the K1 candidate resource groups. The second time-frequency resource occupies K3 REs, the K3 is a positive integer. The second time-frequency resource is located after the target resource group in the time domain.
As a sub-embodiment, the first set of time-frequency resources and the second set of time-frequency resources belong to the same system frequency band.
As a sub-embodiment, the first set of time-frequency resources and the second set of time-frequency resources belong to different system frequency bands.
As a sub-embodiment, the first set of time-frequency resources is configured by giving higher layer signaling.
As an additional embodiment of this sub-embodiment, the given higher layer signaling is transmitted in a SIB (System Information Block).
As an additional embodiment of this sub-embodiment, the given higher layer signaling belongs to the PCCH-Config.
As a sub-embodiment, the target resource group corresponds to a PO (paging opportunity) in the time domain.
As a sub-embodiment, the sender of the first information in the present application configures M1 candidate time-frequency resource sets, where the M1 candidate time-frequency resource sets respectively correspond to M1 target time-frequency resources one to one. The first set of time-frequency resources is one of the M1 sets of candidate time-frequency resources. The second time frequency resource is one of the M1 target time frequency resources.
As a sub-embodiment of this embodiment, the M1 sets of candidate time-frequency resources are orthogonal in the time domain.
As a sub-embodiment of this embodiment, the M1 target time-frequency resources are orthogonal in the frequency domain.
As a sub-embodiment of this embodiment, the M1 target time-frequency resources share the same K3 REs.
Example 3
Embodiment 3 illustrates a block diagram of a processing device in a UE, as shown in fig. 3. In fig. 3, the UE processing apparatus 100 mainly comprises a first receiving module 101, a second receiving module 102 and a first processing module 103.
The first receiving module 101: means for monitoring first information in a first set of time-frequency resources;
the first sending module 102: for transmitting second information in a second time-frequency resource;
-the second receiving module 103: for receiving the third information.
In embodiment 3, the first information comprises a first identifier, which is used to determine the first terminal group. The first terminal group comprises K terminals, and K is a positive integer greater than 1. The K terminals are in a non-connected state in the cellular network. At least one terminal in the first terminal group is paged by a network side. The UE is one of the terminals in the first terminal group, and the first identifier is an integer. The UE detects the first information in the first set of time-frequency resources, and the second information includes a second identity. The second identity is used for determining the UE from the first group of terminals. The first identity is related to the K terminals. The K terminals monitor the first information in the first set of time-frequency resources. The third information is used to determine the second identity. The third information further includes at least one of a system information change indication, an ETWS message and a CMAS message. The fourth information includes a set of identities of the UE. The second identity belongs to the set of identities. The fourth information is transmitted through an S1 interface.
As a sub-embodiment, the first receiving module 101 is further configured to determine the first terminal group. The first identity is related to the K terminals. The K terminals monitor the first information in the first set of time-frequency resources.
Example 4
Embodiment 4 is a block diagram illustrating a processing apparatus in a base station, as shown in fig. 4. In fig. 4, the base station processing apparatus 200 mainly comprises a second sending module 201, a third receiving module 202, a third sending module 203 and a fourth receiving module 204.
The second sending module 201: for transmitting first information in a first set of time-frequency resources;
third receiving module 202: for receiving second information in a second time-frequency resource;
-a third sending module 203: for transmitting the third information;
the fourth receiving module 204: for receiving the fourth information.
In embodiment 4, the first information comprises a first identifier, and the first identifier is used for determining the first terminal group. The first terminal group comprises K terminals, and K is a positive integer greater than 1. The K terminals are in a non-connected state in the cellular network. At least one terminal in the first terminal group is paged by a network side. The sender of the second information is one of the terminals in the first terminal group, and the first identifier is an integer. The sender of the second information detects the first information in the first set of time-frequency resources, the second information including a second identifier. The second identity is used for determining a sender of the second information from the first group of terminals. The first identity is related to the K terminals. The K terminals monitor the first information in the first set of time-frequency resources. The third information is used to determine the second identity. The third information further includes at least one of a system information change indication, an ETWS message and a CMAS message. The fourth information includes a set of identifications of senders of the second information. The second identity belongs to the set of identities. The fourth information is transmitted through an S1 interface. The fourth information includes a set of identifications of senders of the second information. The second identity belongs to the set of identities. The fourth information is transmitted through an S1 interface.
As a sub embodiment, the second sending module 201 is further configured to determine the first terminal group. The first identity is related to the K terminals. The K terminals monitor the first information in the first set of time-frequency resources.
Example 5
Embodiment 5 illustrates a block diagram of a processing apparatus in a paging proxy, as shown in fig. 5. In fig. 5, the paging proxy processing apparatus 300 is composed of a fourth sending module 301.
The fourth transmission module 301: for transmitting the fourth information.
In embodiment 5, the fourth information includes an identity set of the given UE. The fourth information is transmitted through an S1 interface.
As a sub-embodiment, the given UE corresponds to a sender of the second information in the present application.
As a sub-embodiment, the set of identities includes at least one of an S-TMSI, an IMSI, and a C-RNTI for the given UE.
As a sub-embodiment, the fourth signaling is transmitted through a core network.
As one embodiment, the paging proxy is a mobility management entity.
It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented by using one or more integrated circuits. Accordingly, the module units in the above embodiments may be implemented in a hardware form, or may be implemented in a form of software functional modules, and the present application is not limited to any specific form of combination of software and hardware. The UE and the terminal in the application include but are not limited to RFID, internet of things terminal equipment, MTC (Machine type communication) terminal, vehicle-mounted communication equipment, a wireless sensor, a network card, a mobile phone, a tablet computer, a notebook and other wireless communication equipment. The base station, the base station device, and the network side device in the present application include, but are not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, and other wireless communication devices.
The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A method in a user equipment used for radio paging communication, comprising the steps of:
-step a. monitoring first information in a first set of time-frequency resources;
-step b. transmitting second information in a second time-frequency resource;
-step c. receiving third information;
wherein the first information comprises a first identifier, the first identifier being used for determining a first terminal group; the first terminal group comprises K terminals, and K is a positive integer greater than 1; the K terminals are in a non-connected state in the cellular network; at least one terminal in the first terminal group is paged by a network side; the user equipment is one of the terminals in the first terminal group, and the first identifier is an integer; the user equipment detects the first information in the first set of time-frequency resources, and the second information contains a second identifier; the second identity is used for determining the user equipment from the first terminal group; the third information is used to determine the second identity; the third information further comprises at least one of a system information change indication, an ETWS message and a CMAS message; the logical channel corresponding to the third information is a PCCH; the second information comprises identification information of the user equipment; the identification information is one of S-TMSI, IMSI or C-RNTI; the first set of time-frequency resources is used to determine the second time-frequency resource.
2. The method of claim 1, wherein step a further comprises the steps of:
-step A0. determining a first set of terminals;
wherein the first identity is related to the K terminals; the K terminals monitor the first information in the first set of time-frequency resources.
3. A method in a base station used for wireless paging communication, comprising the steps of:
-step a. transmitting first information in a first set of time-frequency resources;
-step b. receiving second information in a second time-frequency resource;
-step c. sending a third information; wherein the first information comprises a first identifier, the first identifier being used for determining a first terminal group; the first terminal group comprises K terminals, and K is a positive integer greater than 1; the K terminals are in a non-connected state in the cellular network; the first identifier is an integer; the second information comprises a second identifier; the second identifier is used for determining a sender of the second information from the first terminal group; the third information is used to determine the second identity; the third information further comprises at least one of a system information change indication, an ETWS message and a CMAS message; the logical channel corresponding to the third information is a PCCH; the second information includes identification information of the sender of the second information, the identification information being one of S-TMSI, IMSI, or C-RNTI; or the second information is a bit sequence generated based on a C-RNTI of the user equipment; the first set of time-frequency resources is used to determine the second time-frequency resource.
4. The method of claim 3, wherein step A further comprises the steps of:
-step A0. determining a first set of terminals;
wherein the first identity is related to the K terminals; the K terminals monitor the first information in the first set of time-frequency resources.
5. The method according to claim 3 or 4, wherein the step A further comprises the steps of:
-a step a10. receiving fourth information;
wherein the fourth information comprises a set of identifications of senders of the second information; the second identity belongs to the set of identities; the fourth information is transmitted through an S1 interface.
6. A user equipment for use in wireless paging communications, comprising:
-a first receiving module: means for monitoring first information in a first set of time-frequency resources;
-a first sending module: for transmitting second information in a second time-frequency resource;
-a second receiving module: for receiving third information;
wherein the first information comprises a first identifier, the first identifier being used for determining a first terminal group; the first terminal group comprises K terminals, and K is a positive integer greater than 1; the K terminals are in a non-connected state in the cellular network; at least one terminal in the first terminal group is paged by a network side; the user equipment is one of the terminals in the first terminal group, and the first identifier is an integer; the user equipment detects the first information in the first set of time-frequency resources, and the second information contains a second identifier; the second identity is used for determining the user equipment from the first terminal group; the third information is used to determine the second identity; the third information further comprises at least one of a system information change indication, an ETWS message and a CMAS message; the logical channel corresponding to the third information is a PCCH; the second information comprises identification information of the user equipment, wherein the identification information is one of S-TMSI, IMSI or C-RNTI; or the second information is a bit sequence generated based on a C-RNTI of the user equipment; the first set of time-frequency resources is used to determine the second time-frequency resource.
7. The user device of claim 6, wherein the first receiving module further determines a first group of terminals; the first identification is related to the K terminals; the K terminals monitor the first information in the first set of time-frequency resources.
8. A base station apparatus used for wireless paging communication, comprising:
-a second sending module: for transmitting first information in a first set of time-frequency resources;
-a third receiving module: receiving second information in a second time-frequency resource;
-a third sending module: sending third information;
wherein the first information comprises a first identifier, the first identifier being used for determining a first terminal group; the first terminal group comprises K terminals, and K is a positive integer greater than 1; the K terminals are in a non-connected state in the cellular network; the first identifier is an integer; the second information comprises a second identifier; the second identifier is used for determining a sender of the second information from the first terminal group; the third information is used to determine the second identity; the third information further comprises at least one of a system information change indication, an ETWS message and a CMAS message; the logical channel corresponding to the third information is a PCCH; the second information includes identification information of the sender of the second information, the identification information being one of S-TMSI, IMSI, or C-RNTI; or the second information is a bit sequence generated based on a C-RNTI of the user equipment; the first set of time-frequency resources is used to determine the second time-frequency resource.
9. The base station device of claim 8, wherein the second sending module further determines the first terminal group; the first identification is related to the K terminals; the K terminals monitor the first information in the first set of time-frequency resources.
10. The base station apparatus according to claim 8 or 9, characterized by further comprising:
-a fourth receiving module receiving fourth information;
wherein the fourth information comprises a set of identifications of senders of the second information; the second identity belongs to the set of identities; the fourth information is transmitted through an S1 interface.
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| CN102143600A (en) * | 2010-01-29 | 2011-08-03 | 华为技术有限公司 | Paging method, base station and user equipment |
| CN105828436A (en) * | 2015-01-27 | 2016-08-03 | 中兴通讯股份有限公司 | Paging method, paging device, MME, base station and user equipment |
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| SG182184A1 (en) * | 2007-06-19 | 2012-07-30 | Nokia Corp | Apparatus, method and computer program product providing idle mode discontinuous reception |
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| CN102143600A (en) * | 2010-01-29 | 2011-08-03 | 华为技术有限公司 | Paging method, base station and user equipment |
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