CN114698100A

CN114698100A - Method, device and medium for sending and acquiring paging reason

Info

Publication number: CN114698100A
Application number: CN202011587920.XA
Authority: CN
Inventors: 韩立锋
Original assignee: Beijing Ziguang Zhanrui Communication Technology Co Ltd
Current assignee: Beijing Ziguang Zhanrui Communication Technology Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2022-07-01

Abstract

A method, a device and a medium for sending and acquiring a paging reason are provided, wherein the method comprises the following steps: determining target user equipment needing to indicate a paging reason M; and sending a paging message, wherein the paging message comprises the paging reason M and the identification information of the target user equipment. The scheme reduces the information quantity of the paging message which needs to be increased while realizing the indication of the paging reason and the corresponding type.

Description

Method, device and medium for sending and acquiring paging reason

Technical Field

The present invention relates to the field of wireless communications technologies, and in particular, to a method, an apparatus, and a medium for sending and acquiring a paging cause.

Background

With the development of communication technology, more and more users use multi-card multi-standby User Equipment (UE) to meet different communication requirements. A common multi-card multi-standby user equipment is a dual-card dual-standby user equipment, and two USIM cards may belong to the same telecommunications carrier or may belong to different telecommunications carriers.

In the dual-card dual-standby user equipment, two USIM cards usually share the same set of radio frequency and baseband devices, which inevitably brings the following problems: when one USIM card is in a communication state, another USIM card also needs to monitor paging messages, perform cell measurement and other operations, and may even need to disconnect the ongoing service of the USIM card in the communication state and perform paging message monitoring of the other USIM card.

In view of the above problems, in the prior art, when the USIM card 1 is in a connected state with the network a, the USIM card 2 periodically monitors the paging message of the network B, and determines whether to correspond to the paging message of the network B according to a paging reason.

It is meaningful and necessary for the base station to inform the user equipment of the reason for paging. In the prior art, a paging cause (paging cause) field is added to a paging message. However, in the LTE system, one paging message carries 16 paging records (paging records) at most, and if each paging record carries a paging reason, if there are 5 paging reasons, 3 bits are required to indicate the paging reason, and then a total of 48 bits are required for 16 paging records; in the NR system, one paging message can carry 32 paging records at most, and thus, one paging message needs to be increased by 96bits for carrying paging reasons, and the paging message in the NR system needs to be repeatedly transmitted in a plurality of beams (beams).

It can be seen that, in the prior art, the amount of information of the paging message is greatly increased due to the increase of paging reasons.

Disclosure of Invention

The embodiment of the invention solves the problem of the increase of the information quantity of the paging message caused by the increase of the paging reasons.

In order to solve the above technical problem, an embodiment of the present invention provides a method for sending a paging reason, including: determining target user equipment needing to indicate a paging reason M; wherein the paging cause M is one of N paging causes; and sending a paging message, wherein the paging message contains the paging reason M and the identification information of the target user equipment.

Optionally, the determining the target ue that needs to indicate the paging reason M includes: and determining the number of target user equipment needing to indicate the paging reason M.

Optionally, before sending the paging message, the method further includes: and sending downlink control information, wherein the downlink control information is used for scheduling the paging message and comprises the number of the target user equipment.

Optionally, the paging message includes identification information of X user equipments, and the number of the target user equipments is K; the identification information of the K target user devices is positioned at the forefront of the identification information of the X user devices or positioned at the rearmost of the identification information of the X user devices.

Optionally, the method for sending a paging reason further includes: and indicating whether the paging message carries a paging reason M.

Optionally, the indicating whether the paging message carries a paging reason M includes: and configuring whether the paging message carries a paging reason M.

Optionally, the paging message further includes paging reason indication information, where the paging reason indication information is used to indicate whether the paging message includes a paging reason M.

Optionally, the indicating whether the paging message carries a paging reason M includes: and indicating whether the paging message carries a paging reason M or not through a high-level signaling.

Optionally, the indicating whether the paging message carries a paging reason M includes: and indicating whether the paging message carries a paging reason M or not through a bit in the downlink control information.

Optionally, one bit in the downlink control information is one bit in the short message.

Optionally, the method for sending a paging reason further includes: and when the paging message carries a paging reason M, indicating the specific type of the paging reason M.

Optionally, the indicating the specific type of the paging reason includes: and adding a second indication field in the paging message, wherein the value of the second indication field is used for representing the type of the paging reason.

Optionally, the indicating the type of the paging cause includes: and indicating the type of the paging reason to the user equipment through high-layer signaling.

Optionally, the indicating the type of the paging reason includes: and dividing the reserved bits into a first part and a second part, wherein the first part is used for indicating the number of target user equipment in the paging record list, and the second part is used for indicating the type of the paging reason.

Optionally, the sending the paging message includes: and adding a new paging record list in the paging message, wherein the paging record in the new paging record list has a corresponding paging reason, and the paging record in the existing paging record list does not have a corresponding paging reason.

Optionally, the method for sending a paging reason further includes: and configuring whether the paging message carries the new paging record list.

In order to solve the above technical problem, an embodiment of the present invention further provides a method for acquiring a paging cause, including: receiving a paging message sent by a base station, wherein the paging message comprises a paging reason M and identification information of target user equipment, the target user equipment determines the user equipment needing to indicate the paging reason M for the base station, and the paging reason M is one of N paging reasons.

Optionally, before receiving the paging message, the method further includes: and receiving downlink control information, wherein the downlink control information is used for scheduling the paging message and comprises the number of the target user equipment.

Optionally, the method for acquiring the paging cause further includes: and acquiring a paging reason indication message, wherein the paging reason indication message is used for indicating whether the paging message carries a paging reason M.

Optionally, the obtaining the paging cause indication message includes: and acquiring the paging reason indication information from the paging message.

Optionally, the obtaining the paging cause indication message includes: and receiving a high-level signaling sent by the base station, wherein the high-level signaling carries the paging reason indication information.

Optionally, the obtaining the paging cause indication message includes: and receiving downlink control information issued by the base station, wherein the downlink control information carries the paging reason indication information.

Optionally, the paging cause indication information is a bit of a short message in the downlink control information.

Optionally, the method for acquiring the paging cause further includes: the type of paging cause is acquired.

Optionally, the type of the paging cause obtaining includes: and reading a second indication field in the paging message, wherein the value of the second indication field is used for representing the type of the paging reason.

Optionally, the type of the paging cause obtaining includes: and receiving a high-level signaling sent by the base station, wherein the high-level signaling carries the type of the paging reason.

Optionally, the type of the paging cause obtaining includes: and acquiring a value of a reserved bit, wherein the reserved bit comprises a first part and a second part, the first part is used for indicating the number of target user equipment in the paging record list, and the second part is used for indicating the type of the paging reason.

Optionally, the receiving the paging message sent by the base station includes: and acquiring a new paging record list from the paging message, wherein the paging record in the new paging record list has a corresponding paging reason, and the paging record in the existing paging record list does not have a corresponding paging reason.

Optionally, the method for acquiring the paging cause further includes: and receiving paging record list indication information, wherein the paging record list indication information is used for indicating whether the paging message carries the new paging record list.

The embodiment of the invention also provides a device for sending the paging reason, which comprises the following components: a determining unit, configured to determine a target user equipment that needs to indicate the paging reason M; wherein the paging cause M is one of N paging causes; a sending unit, configured to send a paging message, where the paging message includes the paging reason M and the identification information of the target ue.

The embodiment of the invention also provides a device for acquiring the paging reason, which comprises the following components: a receiving unit, configured to receive a paging message sent by a base station, where the paging message includes a paging reason and identification information of a target user equipment, and the target user equipment determines, for the base station, a user equipment that needs to indicate a paging reason M, where the paging reason M is one of N paging reasons.

An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium is a non-volatile storage medium or a non-transitory storage medium, and a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program performs any of the steps of the method for sending a paging cause.

The embodiment of the present invention further provides another computer-readable storage medium, where the computer-readable storage medium is a non-volatile storage medium or a non-transitory storage medium, and a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program performs any of the steps of the above-mentioned paging cause acquisition method.

The embodiment of the present invention further provides another paging cause sending apparatus, which includes a memory and a processor, where the memory stores a computer program that can be executed on the processor, and the processor executes any of the steps of the paging cause sending method when executing the computer program.

The embodiment of the present invention further provides another paging cause acquisition apparatus, including a memory and a processor, where the memory stores a computer program that can be run on the processor, and the processor executes any of the steps of the above paging cause acquisition method when running the computer program.

Compared with the prior art, the technical scheme of the embodiment of the invention has the following beneficial effects:

and determining target equipment needing to indicate the paging reason M, and sending a paging message to the user equipment, wherein the paging message carries the paging reason M and the identification information of the target user equipment. Only the identification information of the target user equipment which needs to indicate the paging reason M and corresponds to the paging reason M is added, but not all the paging reasons and the identification information of the user equipment corresponding to all the paging reasons, so that the increase of the information quantity of the paging message caused by the increase of the paging reasons can be reduced.

Further, after determining the target user equipment needing to indicate the paging reason M, sending downlink control information for scheduling the paging message. The downlink control information contains the number of the target user equipment, and the number of the target user equipment is indicated through the value of the reserved bit in the downlink control information. By presetting the type of the paging reason corresponding to the reserved bit, the paging reason and the corresponding type are indicated, and the information content of the paging message is not required to be additionally increased.

Drawings

Fig. 1 is a flowchart of a method for sending a paging reason according to an embodiment of the present invention;

fig. 2 is a flowchart of a method for acquiring a paging cause in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a paging cause sending apparatus in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a paging cause acquiring apparatus in an embodiment of the present invention.

Detailed Description

As described above, in the prior art, a paging cause (paging cause) field is added to a paging message. In an LTE system, a paging message carries 16 paging records (paging records) at most, and if each paging record carries a paging reason, if there are 5 paging reasons, 3 bits are required to indicate the paging reason, and then 16 paging records require 48 bits in total; in the NR system, one paging message can carry 32 paging records at most, and thus, one paging message needs to be increased by 96bits for carrying paging reasons, and the paging message in the NR system needs to be repeatedly transmitted in a plurality of beams (beams).

In the embodiment of the invention, the target equipment needing to indicate the paging reason M is determined, and the paging message is sent to the user equipment, wherein the paging message carries the paging reason M and the identification information of the target user equipment. Only the identification information of the target user equipment which needs to indicate the paging reason M and corresponds to the paging reason M is added, but not all the paging reasons and the identification information of the user equipment corresponding to all the paging reasons, so that the increase of the information quantity of the paging message caused by the increase of the paging reasons can be reduced.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

An embodiment of the present invention provides a method for sending a paging cause, which is described in detail below with reference to fig. 1 through specific steps.

In a specific implementation, the paging cause sending method provided in the following steps S101 to S102 may be executed by a control chip in the base station device, or may be executed by a chip module including the control chip in the base station device, or executed by the base station device.

Step S101, determining the target user equipment needing to indicate the paging reason M.

In particular implementations, the paging cause M may be one of N paging causes.

In a specific application, the paging cause refers to a reason for initiating paging, which is translated by a paging cause, and the paging cause is substantially the same as the meaning of a paging message type (paging category). The above designations may be equivalent unless otherwise specified.

In the existing protocol, the N paging reasons may include a voice service (voice service), a messaging service (messaging service), a critical service (critical service), CP signaling, other service (other service), and the like. Of course, the paging cause can be continuously updated as the communication technology is developed.

In particular implementations, the base station may determine which user devices need to indicate the paging cause. In the embodiment of the present invention, for convenience of description, the user equipment that needs to indicate the paging reason is simply referred to as target user equipment. After determining the target user equipment, the base station may count the number of the target user equipment.

In the embodiment of the present invention, the target ue may be a ue with the same paging reason. In other words, the number of the target user equipments may be multiple, and the paging reason corresponding to each target user equipment is the same.

Step S102, sending a paging message.

In a specific implementation, the paging message may include the paging reason M and identification information of the target user equipment.

In the embodiment of the present invention, before sending the paging message, downlink control information may also be sent to the ue, where the downlink control information is used to schedule the paging message, and the downlink control information carries the number of target ues.

According to the existing NR protocol, the paging message (paging message) is carried or scheduled by a PDCCH of a Downlink Control Information (DCI) format 1_0 scrambled by a P-RNTI, and the paging message (paging message) is transmitted by reserved bits of 6-8 bits. Typically, the reserved bits are set to all 0's.

In the embodiment of the present invention, after determining the number of target user equipments, the base station may use the reserved bits for indicating the number of target user equipments in the P-RNTI scrambled DCI for scheduling the paging message.

For example, paging cause M is paging cause 1. If a certain paging message contains 10 paging records (paging records), each paging record corresponds to paging reason 1. Since the decimal number 10 corresponds to a binary number 1010, the value of four bits (for example, the upper four bits of the reserved bits, the lower four bits of the reserved bits, or the middle four bits of the reserved bits, where the embodiment of the present invention does not limit specific bit positions) in the reserved bits in the P-RNTI scrambled DCI for scheduling paging messages may be set to 1010.

In the existing paging message, a paging record list (paging record list) is included, and the paging record list includes paging records corresponding to a plurality of user equipments, but does not carry a paging reason. For example, in the NR system, the paging record list may include at most 32 paging records corresponding to the user equipment.

In the embodiment of the present invention, it can be specified that the paging record having the corresponding paging cause (paging cause) is recorded in the former part of the paging record list, and the paging record having no corresponding paging cause is recorded in the latter part of the paging record list; alternatively, it is specified that the paging record for which the corresponding paging cause exists prevents the latter part in the paging record list, and the paging record for which the corresponding paging cause does not exist is recorded in the former part in the paging record list.

That is, in the paging record list, the paging record in which the corresponding paging cause exists and the paging record in which the paging cause does not exist are divided into two parts, and the two parts are independent of each other. In a specific implementation, the position of the paging record in the paging record list where the paging reason corresponding to the paging reason exists may be predefined, and when receiving the downlink control information scrambled by the P-RNTI used for scheduling the paging message, the user equipment may determine whether the paging reason exists and the type of the paging reason according to the position of the paging record corresponding to the user equipment in the paging record list.

The above description is continued with an example in which 10 paging records each correspond to paging cause 1. In the paging record list, 32 paging records are included, wherein the first 10 paging records have corresponding paging reason 1, and the last 22 paging records do not have corresponding paging reasons.

In specific implementation, if the value of the reserved bit of the downlink control information scrambled by the P-RNTI used for scheduling the paging message is all 0, it indicates that the current paging message does not include the paging record having the corresponding paging reason.

In the prior art, it is assumed that a certain paging message contains 10 paging records, and if each paging record contains paging reason 1, according to the prior art, the paging reasons need to be indicated in the paging records, and then 30bits need to be added in the paging message.

For another example, if a certain paging message contains 32 paging records, if each paging record contains paging reason 1, then according to the prior art, the paging reason needs to be indicated in the paging record, and then 96bits need to be added to the paging message.

In the embodiment of the invention, if a certain paging message contains 10 paging records, and each paging record corresponds to a paging reason 1, no bit needs to be added in the paging message, and only the reserved bit in the DCI of the PDCCH needs to be scrambled by using the P-RNTI for scheduling the paging message. Since the decimal number 10 corresponds to a binary number of 1010, the value of the reserved bits in the DCI of the P-RNTI scrambled PDCCH for scheduling the paging message may be 1010 (specifically which bits of the reserved bits are used, which is not limited by the present invention).

Therefore, the paging reason sending method provided by the embodiment of the invention can greatly reduce the number of bits used for indicating the paging record in the paging message and reduce the overhead of the paging message.

In a specific implementation, the base station may indicate whether the paging message carries the paging reason M. Specifically, the base station may configure whether the paging message carries the paging cause M.

In the embodiment of the present invention, the base station may indicate whether the paging message carries the paging reason M. The base station can add a first indication field in the paging message, and represent whether the paging message carries the paging reason M or not through the value of the first indication field.

For example, a first indication field is added in the paging message, the length of the first indication field is 1bit, and when the value of the first indication field is 1, the paging message is represented to carry a paging reason M; otherwise, when the value of the first indication field is 0, the paging message is characterized in that the paging reason M is not carried.

In a specific implementation, the base station may also indicate, through higher layer signaling, whether the paging message carries the paging reason M.

For example, the base station may configure whether the paging message carries the paging reason M through a common message (e.g., a system message), and then broadcast the configured common message.

For another example, the base station may send the indication information to the ue through Radio Resource Control (RRC) dedicated signaling, so as to indicate whether the paging message carries the paging reason M.

In specific implementation, the base station may also indicate whether the paging message carries the paging reason M by using one bit of the downlink control information scrambled by the P-RNTI for scheduling the paging message.

In the embodiment of the invention, one bit in the downlink control information scrambled by the P-RNTI for scheduling the paging message can be one bit in short messages (short messages) in the downlink control information scrambled by the P-RNTI for scheduling the paging message.

It can be understood that, if the paging message does not carry the paging reason M, the base station may not perform the indication, so as to reduce the downlink overhead of the base station.

In the above embodiments of the present invention, the default paging reasons corresponding to the target ue are the same, and only for a certain paging reason, the reserved bits are used to indicate the number of target ues. Therefore, the type corresponding to the paging cause does not need to be indicated.

For example, when the paging cause M is set to be a voice service, the reserved bit is used to indicate the number of target user equipments. Therefore, when the value of the reserved bit is not all 0, it means that the target ue is indicated as voice service for the paging reason M.

However, in practical applications, the kind of paging cause corresponding to different ue may be different. For example, in the one-time paging message, the paging causes corresponding to the user equipments 1 to 4 are voice services (voice services), and the paging causes corresponding to the user equipments 5 to 10 are information transmission services (messaging services).

In the embodiment of the present invention, when there are Y different paging reasons, one of the paging reasons may be sent by using the paging reason sending method provided in the above embodiment of the present invention, and in addition, Y-1 paging reasons are carried in the paging record.

For example, the reserved bits in the downlink control information scrambled by using the P-RNTI for scheduling the paging message indicate that the paging causes corresponding to the user equipment 1 to the user equipment 4 are voice services (voice services), and the technical scheme specified in the existing protocol is adopted to indicate that the paging causes corresponding to the user equipment 5 to the user equipment 10 are information transmission services (messaging services).

Assuming there are a total of 5 paging reasons, a 3bit indication is required for each paging reason. The paging message of a certain time comprises 10 paging records, wherein the first 4 paging records correspond to the paging reason 1, and the second 6 paging records correspond to the paging reason 2.

If the technical solution provided in the prior art is completely followed, 10 × 3 to 30bits need to be added to the paging message.

By adopting the technical scheme provided by the embodiment of the invention, the paging reason 1 is implicitly carried by the reserved bit, so that the indication of the rest 4 paging reasons can be completed only by 2 bits. The reserved bits are used to implicitly indicate that the paging reason corresponding to the user equipment 1 to the user equipment 4 is the paging reason 1, and only 6 × 2 to 12 bits need to be added to the paging message. Compared with the prior art that 30bits need to be added, the technical scheme provided by the embodiment of the invention greatly reduces the length of the paging message.

In the above embodiments of the present invention, the paging reason corresponding to the default reserved bit is fixed. In the next embodiment of the present invention, it may also be defined that the paging reason corresponding to the reserved bit is variable.

In specific implementation, the base station may add a second indication field in the paging message, and represent the type of the paging reason corresponding to the reserved bit according to the value of the second indication field.

For example, if the paging cause is 5 types, 3 bits are required for indication. Therefore, a second indication field is added in the paging message, the length of the second indication field is 3 bits, and when the value of the second indication field is 001, the paging message is represented to carry a paging reason 1; when the value of the second indication field is 010, the representation paging message carries a paging reason 2, and so on.

In a specific implementation, the base station may also indicate the type of the paging reason corresponding to the reserved bit to the ue through higher layer signaling.

For example, the base station may configure the type of the paging reason corresponding to the indication reserved bit as paging reason 2 through a common message (e.g., a system message), and then broadcast the configured common message.

For another example, the base station may send the indication information to the ue through Radio Resource Control (RRC) dedicated signaling, so as to indicate the type of the paging reason corresponding to the reserved bit as the paging reason 2.

In a specific implementation, the base station may also divide the reserved bits into a first part and a second part, where the first part is used to indicate the number of target user equipments in the paging record list, and the second part is used to indicate a specific type of the paging reason.

For example, the reserved bits are 6bits, the first 4 bits are used to indicate the number of target ue, and the second 2 bits are used to indicate the type of paging reason.

In specific implementation, a paging record list can be added in the existing paging message, the new paging record list carries the paging record with the paging reason, and the paging record in the original paging record list has no paging reason.

In a specific implementation, it may be configured whether a new paging record list is carried in the paging message.

In practical application, it can be known that the P-RNTI is a Paging RNTI used for analyzing a corresponding Paging Control Channel (PCCH), and the RNTI is a short hand for a Radio Network Temporary Identity (Radio Network Temporary Identity). The PDCCH is short for a Physical Downlink Control Channel (Physical Downlink Control Channel).

Referring to fig. 2, an embodiment of the present invention further provides a method for acquiring a paging cause, which is described below with specific steps.

In a specific implementation, the paging cause obtaining method provided in step S201 described below may be executed by a baseband chip in the ue, or may be executed by a chip module including the baseband chip in the ue, or is executed by the ue.

Step S201, receiving a paging message sent by a base station.

In a specific implementation, the paging message may include a paging cause M and identification information of the target ue, and the target ue may be a ue that needs to indicate the paging cause M and is determined by the base station, where the paging cause M is one of the paging causes M and N.

In a specific implementation, before receiving the paging message, the ue may also receive downlink control information for scheduling the paging message sent by the base station, where the downlink control information carries the number of target ues.

According to the existing NR protocol, a paging message (paging message) is carried or scheduled by a PDCCH of a Downlink Control Information (DCI) format 1_0 scrambled by a P-RNTI, and the paging message is transmitted by reserved bits of 6-8 bits. Typically, the reserved bits are set to all 0's.

For example, paging cause M is paging cause 1. If a certain paging message contains 10 paging records (paging records), each paging record corresponds to paging reason 1. Since the decimal number 10 corresponds to a binary number of 1010, the value of the reserved bits in the P-RNTI scrambled DCI for scheduling paging messages may be set to 1010 (specifically which of the reserved bits are used, the invention is not limited).

In other words, the paging message is configured to include identification information of X user devices, the number of the target user devices is K, and the identification information of the K target user devices may be located at the forefront of the identification information of the X user devices or located at the rearmost of the identification information of the X user devices.

For example, a first indication field is added in the paging message, the length of the first indication field is 1bit, and when the value of the first indication field is 1, the paging message is represented to carry a paging reason M; otherwise, when the value of the first indication field is 0, the paging message is characterized not to carry the paging reason M.

In a specific implementation, the base station may also indicate, through a higher layer signaling, whether the paging message carries the paging reason M.

In the embodiment of the invention, one bit in the downlink control information scrambled by the P-RNTI used for scheduling the paging message can be one bit in a short message (short message) in the downlink control information scrambled by the P-RNTI used for scheduling the paging message.

For example, if the paging cause is 5 types, 3 bits are required for indication. Therefore, a second indication field is added in the paging message, the length of the second indication field is 3 bits, and when the value of the second indication field is 001, the paging message is represented to carry a paging reason 1; when the value of the second indication field is 010, the paging message is represented to carry the paging reason 2, and so on.

In a specific implementation, step S201 is substantially a paging cause acquisition method executed by the user equipment side, and steps S101 to S102 are substantially a paging cause acquisition method executed by the base station side, and they correspond to each other.

Referring to fig. 3, a paging cause sending apparatus 30 in the embodiment of the present invention is provided, including: a determining unit 301 and a transmitting unit 302, wherein:

a determining unit 301, configured to determine a target ue that needs to indicate a paging reason M; wherein the paging cause M is one of N paging causes;

a sending unit 302, configured to send a paging message, where the paging message includes the paging reason M and the identification information of the target ue.

In a specific implementation, the specific execution flows of the determining unit 301 and the sending unit 302 may refer to the above step S101 to step S102, which is not described herein again in this embodiment of the present invention.

In a specific implementation, the paging cause sending apparatus 30 may correspond to a chip having a data processing function in a base station device; or a chip module with a data processing function in the base station equipment, or the base station equipment.

Referring to fig. 4, a paging cause acquiring apparatus 40 in the embodiment of the present invention is provided, including: the receiving unit 401:

a receiving unit 401, configured to receive a paging message sent by a base station, where the paging message includes a paging reason M and identification information of a target user equipment, and the target user equipment determines, for the base station, a user equipment that needs to indicate the paging reason M, where the paging reason M is one of N paging reasons.

In a specific implementation, the specific execution flow of the receiving unit 401 may refer to the step S401, which is not described herein again in this embodiment of the present invention.

In a specific implementation, the paging cause acquiring apparatus 40 may correspond to a chip having a data processing function in the ue, such as a baseband chip; or to a chip module comprising a chip with data processing function in the user equipment, or to the user equipment.

The embodiment of the present invention further provides a computer-readable storage medium, which is a non-volatile storage medium or a non-transitory storage medium, and a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the paging cause sending method provided in any of the above embodiments are performed.

The embodiment of the present invention further provides a computer-readable storage medium, which is a non-volatile storage medium or a non-transitory storage medium, and a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method for acquiring a paging cause provided in any of the above embodiments are performed.

The embodiment of the present invention further provides another paging cause sending apparatus, which includes a memory and a processor, where the memory stores a computer program that can be executed on the processor, and the processor executes the steps of the paging cause sending method provided in any of the above embodiments when executing the computer program.

The embodiment of the present invention further provides another paging cause acquisition apparatus, including a memory and a processor, where the memory stores a computer program that can be executed on the processor, and the processor executes the steps of the paging cause acquisition method provided in any of the above embodiments when executing the computer program.

The LTE-era system messages are all transmitted in a periodic broadcast manner, but in NR, beams (beams) are introduced, and different beams cover different beam directions, so the system messages need to be transmitted at each beam. Then, if the system message is also transmitted in a periodic broadcast manner, it needs to be periodically broadcast and transmitted on each beam. This may cause significant system overhead and resource efficiency.

Therefore, in NR, an on demand system message sending mode is introduced, that is, a system message is sent in an on demand mode: the system does not periodically broadcast and send system messages, and if there is a UE request and feeds back the UE request to the network, for example, by Msg1, Msg3, or RRC signaling, the system sends a request for a certain SI or SIB, and then the system starts periodic broadcast and sending the SI or SIB, or sends the requested SI or SIB to the UE in a unicast manner.

In order to support the above on demand method to send SI or SIB, the system message includes, in addition to the correspondence between SI and SIB (i.e., which SIBs an SI includes), whether the SI is sent in a broadcast manner:

when the SI-BroadcastStatus field takes broadcasting, the corresponding SI is indicated to be broadcast periodically; when the value of notboradcasting is taken, the corresponding SI is shown to be sent in an on-demand mode. The value of SI-BroadcastStatus changes according to the change of the sending state of the SI: the system modifies the sending mode of the SI which is sent in an on-demand mode into sending in a periodic broadcast mode, and then the value of SI-BroadcastStatus is modified from notBroadcasting to broadcasting; otherwise, if the system modifies the transmission mode to be transmitted in an on-demand mode, the SI-BroadcastStatus value is modified from broadcasting to notBroadcasting.

The sl (sidelink) enhancement of NR R17(Release 17) has an important aspect to support UE-to-network relay, i.e. a remote UE can access a mobile communication network through a relay UE. And according to current standard development, relay UE may need to forward a relay UE to obtain system messages from a base station on an SL link (a direct link between a remote UE and a relay UE, a broader concept, a direct link between two UEs). Also, the relay UE may transmit the system message on the SL in an on-demand manner.

Then, the way that the relay UE sends a certain SI at SL (periodic broadcast sending or on-demand sending) may be different from the way that the corresponding SI is sent on the Uu link, for example, one SI is sent on the Uu link (link between the relay UE and the base station) in a broadcast way, but the relay UE may choose to send the SI on SL in an on-demand way; alternatively, one SI is sent on the Uu link in an on-demand manner, but the relay UE may choose to send the SI in a broadcast manner on the SL. Of course, the method of transmitting a certain SI by the relay UE in the SL (periodic broadcast transmission or on-demand transmission) may be the same as the method of transmitting the corresponding SI on the Uu link.

The problem addressed by the present invention is that if the relay UE transmits a certain SI at SL (either periodically broadcast or on-demand), the transmission scheme is different from the corresponding SI on the Uu link. The specific scheme is as follows:

for relay UE (referred to as first UE):

receiving a first system message on a Uu link, wherein the first system message comprises a sending state of a second system message; the second system message is a different system message than the first system message.

In a specific implementation, the first system message is system message 1(SIB 1).

In a specific implementation, the second system message may be a system message of a non-SIB 1 such as SIB2 or SIB3, or may be a system message SI including an SIB2 or an SIB 3.

The transmission status of the second system message refers to whether the second system message is transmitted in a broadcast manner or in an on-demand manner. The broadcast transmission means that the system message is transmitted in a periodic broadcast mode; the on-demand mode is that the system message is sent in a broadcast mode or in a unicast mode based on the request of the UE.

The Uu link is a link between relay UE and a base station. The base station may be an eNB, a gNB, or an ng-eNB, and the like, which is not limited in the present invention.

The first system message is sent over a SL link.

The SL link is a direct link between the first UE and the second UE.

And sending the sending state of the second system message on the SL link.

And sending the sending state of the second system message on the SL link, specifically, sending a message including the sending state of the second system message on the SL.

The sending state of the second system message on the SL means that the second system message is sent in a broadcast manner or in an on-demand manner on the SL link. The broadcast transmission means that the system message is transmitted in a periodic broadcast mode; the on-demand occurrence means that the system message is transmitted in a broadcast manner or in a unicast manner based on a request of a remote UE (becoming a second UE).

In a specific implementation, if the sending status of the second system message on the SL link is consistent with the sending status of the second system message on the Uu link, the relay UE does not need to send the sending status of the second system message on the SL link. That is, the relay UE needs to send the sending state of the second system message on the SL link only when the sending state of the second system message on the SL link is inconsistent with the sending state of the second system message on the Uu link.

The second system message is sent over the SL link.

In specific implementation, the relay UE determines a sending mode for sending the second system message on the SL link according to the sending state of the second system message on the Uu link indicated in the first system message and the sending state of the second system message on the SL. For example, if the transmission status of the second system message indicated in the first system message on the Uu link is that the second system message is transmitted in a broadcast manner, but the transmission status of the second system message on the SL is that the second system message is transmitted in an on-demand manner, the relay UE transmits the second system message on the SL link in an on-demand manner.

For another example, if the transmission status of the second system message indicated in the first system message on the Uu link is to be transmitted in an on-demand manner, but the transmission status of the second system message on the SL is to be transmitted in a broadcast manner, the relay UE transmits the second system message on the SL link in a broadcast manner.

For another example, if the transmission status of the second system message indicated in the first system message on the Uu link is broadcast, and the transmission status of the second system message on the SL is also broadcast, the relay UE transmits the second system message on the SL link in a broadcast manner.

For another example, if the transmission status of the second system message indicated in the first system message on the Uu link is that the second system message is transmitted on an on-demand basis, and the transmission status of the second system message on the SL is also transmitted on an on-demand basis, the relay UE transmits the second system message on the SL link on an on-demand basis.

In a specific implementation, if the relay UE does not send the sending state of the second system message on the SL, the relay UE determines the sending state of the second system message on the SL link with reference to the sending state of the second system message in the first system message on the Uu link, and sends the second system message on the SL link according to the occurrence mode corresponding to the determined sending state of the second system message on the SL link.

For remote UE (second UE):

and receiving the first system message forwarded by the relay UE, and acquiring the transmission state of the second system message on the Uu link from the first system message.

Receiving the sending state of a second system message sent by relay UE on SL;

and determining the sending state of the second system message on the SL according to the sending state of the second system message on the Uu link acquired from the first system message and the sending state of the second system message on the SL sent by the relay UE.

For example, if the sending state of the second system message acquired from the first system message on the Uu link is sent in a broadcast manner, but the sending state of the second system message on the SL is sent in an on-demand manner, the relay UE sends the second system message on the SL link in an on-demand manner.

For another example, if the transmission status of the second system message acquired from the first system message on the Uu link is that the second system message is transmitted on demand, but the transmission status of the second system message on the SL is that the second system message is transmitted in a broadcast manner, the relay UE transmits the second system message on the SL link in a broadcast manner.

For another example, if the transmission status of the second system message acquired from the first system message on the Uu link is that the second system message is transmitted in a broadcast manner, and the transmission status of the second system message on the SL is also transmitted in a broadcast manner, the relay UE transmits the second system message on the SL link in a broadcast manner.

For another example, if the sending state of the second system message acquired from the first system message on the Uu link is that the second system message is sent on demand, and the sending state of the second system message on the SL is also sent on demand, the relay UE sends the second system message on the SL link on demand.

In a specific implementation, if a sending state of a second system message sent by relay UE on the SL is not received on the SL link, the sending state of the second system message on the Uu link acquired in the first system message is taken as the sending state of the second system message on the SL link.

It can be considered that, for the remote UE, if a sending state of the second system message sent by the relay UE on the SL is received, the sending state of the second system message sent by the relay UE on the SL is taken as a sending state of the second system message on the SL; and if the sending state of the second system message on the SL link sent by the relay UE is not received, taking the sending state of the second system message on the Uu link contained in the first system message forwarded by the relay UE as the sending state of the second system message on the SL.

Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by instructing the relevant hardware through a program, which may be stored in a computer-readable storage medium, and the storage medium may include: ROM, RAM, magnetic or optical disks, and the like.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A method for sending a paging cause, comprising:

determining target user equipment needing to indicate a paging reason M; wherein the paging cause M is one of N paging causes;

and sending a paging message, wherein the paging message contains the paging reason M and the identification information of the target user equipment.

2. The paging cause transmitting method according to claim 1, wherein said determining the target ue which needs to indicate the paging cause M comprises:

and determining the number of target user equipment needing to indicate the paging reason M.

3. The paging cause transmission method of claim 2, further comprising, before transmitting the paging message:

and sending downlink control information, wherein the downlink control information is used for scheduling the paging message and comprises the number of the target user equipment.

4. The paging cause transmission method according to claim 3, wherein the paging message includes identification information of X user equipments, and the number of the target user equipments is K; the identification information of the K target user devices is positioned at the forefront of the identification information of the X user devices or positioned at the rearmost of the identification information of the X user devices.

5. The paging cause transmission method according to any one of claims 1 to 4, further comprising: and indicating whether the paging message carries a paging reason M.

6. The method for sending paging cause according to claim 5, wherein the indicating whether the paging message carries the paging cause M comprises:

and configuring whether the paging message carries a paging reason M.

7. The paging cause transmission method according to claim 6, wherein the paging message further includes paging cause indication information for indicating whether the paging message includes a paging cause M.

8. The method for sending paging cause according to claim 5, wherein the indicating whether the paging message carries the paging cause M comprises:

and indicating whether the paging message carries a paging reason M or not through a high-level signaling.

9. The method for sending paging cause according to claim 5, wherein the indicating whether the paging message carries the paging cause M comprises:

and indicating whether the paging message carries a paging reason M or not through a bit in the downlink control information.

10. The method for sending paging cause according to claim 9, wherein one bit in the downlink control information is one bit in a short message.

11. The paging cause transmission method of claim 5, further comprising: and when the paging message carries a paging reason M, indicating the specific type of the paging reason M.

12. The method for sending the paging cause according to claim 11, wherein the indicating the specific type of the paging cause comprises:

and adding a second indication field in the paging message, wherein the value of the second indication field is used for representing the type of the paging reason.

13. The paging cause transmission method according to claim 11, wherein said indicating the type of the paging cause comprises:

and indicating the type of the paging reason to the user equipment through high-layer signaling.

14. The paging cause transmission method according to claim 11, wherein said indicating the type of the paging cause comprises:

and sending downlink control information, wherein the downlink control information comprises reserved bits, the reserved bits comprise a first part and a second part, the first part is used for indicating the number of the target user equipment in the paging record list, and the second part is used for indicating the type of the paging reason.

15. The paging cause transmission method according to claim 1, wherein said transmitting a paging message comprises: and adding a new paging record list in the paging message, wherein the paging record in the new paging record list has a corresponding paging reason, and the paging record in the existing paging record list does not have a corresponding paging reason.

16. The paging cause transmission method of claim 15, further comprising: and configuring whether the paging message carries the new paging record list.

17. A method for acquiring a paging cause, comprising:

receiving a paging message sent by a base station, wherein the paging message comprises a paging reason M and identification information of target user equipment, the target user equipment determines the user equipment needing to indicate the paging reason M for the base station, and the paging reason M is one of N paging reasons.

18. The paging cause acquisition method of claim 17, prior to receiving the paging message, further comprising:

and receiving downlink control information, wherein the downlink control information is used for scheduling the paging message and comprises the number of the target user equipment.

19. The paging cause acquiring method according to claim 18, wherein said paging message contains identification information of X user equipments, and the number of said target user equipments is K; the identification information of the K target user devices is positioned at the forefront of the identification information of the X user devices, or positioned at the rearmost of the identification information of the X user devices.

20. The paging cause acquisition method according to any one of claims 17 to 19, further comprising: and acquiring a paging reason indication message, wherein the paging reason indication message is used for indicating whether the paging message carries a paging reason M.

21. The paging cause acquisition method according to claim 20, wherein said acquiring a paging cause indication message comprises: and acquiring the paging reason indication information from the paging message.

22. The paging cause acquisition method according to claim 20, wherein said acquiring a paging cause indication message comprises: and receiving a high-level signaling sent by the base station, wherein the high-level signaling carries the paging reason indication information.

23. The paging cause acquisition method according to claim 20, wherein said acquiring a paging cause indication message comprises: and receiving downlink control information issued by the base station, wherein the downlink control information carries the paging reason indication information.

24. The method for acquiring paging cause of claim 23, wherein the paging cause indication information is a bit of a short message in the downlink control information.

25. The paging cause acquisition method according to claim 20, further comprising: the type of paging cause is acquired.

26. The method for obtaining the paging cause according to claim 25, wherein the type of obtaining the paging cause comprises: and reading a second indication field in the paging message, wherein the value of the second indication field is used for representing the type of the paging reason.

27. The method for obtaining the paging cause according to claim 25, wherein the type of obtaining the paging cause comprises: and receiving a high-level signaling sent by the base station, wherein the high-level signaling carries the type of the paging reason.

28. The method for obtaining the paging cause according to claim 25, wherein the type of obtaining the paging cause comprises: and acquiring a value of a reserved bit, wherein the reserved bit comprises a first part and a second part, the first part is used for indicating the number of target user equipment in the paging record list, and the second part is used for indicating the type of the paging reason.

29. The method for acquiring paging cause according to claim 17, wherein the receiving the paging message transmitted by the base station comprises: and acquiring a new paging record list from the paging message, wherein the paging record in the new paging record list has a corresponding paging reason, and the paging record in the existing paging record list does not have a corresponding paging reason.

30. The paging cause acquisition method of claim 29, further comprising: and receiving paging record list indication information, wherein the paging record list indication information is used for indicating whether the paging message carries the new paging record list.

31. A paging cause transmission apparatus, comprising:

a determining unit, configured to determine a target user equipment that needs to indicate the paging reason M; wherein the paging cause M is one of N paging causes;

a sending unit, configured to send a paging message, where the paging message includes the paging reason M and the identification information of the target ue.

32. A paging cause acquisition apparatus, comprising: a receiving unit, configured to receive a paging message sent by a base station, where the paging message includes a paging cause and identification information of a target user equipment, and the target user equipment determines, for the base station, a user equipment that needs to indicate a paging cause M, where the paging cause M is one of N paging causes.

33. A computer-readable storage medium, being a non-volatile storage medium or a non-transitory storage medium, having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the method according to any one of claims 1 to 16.

34. A computer-readable storage medium, being a non-volatile storage medium or a non-transitory storage medium, having a computer program stored thereon, wherein the computer program, when being executed by a processor, is configured to perform the steps of the method for obtaining paging causes according to claims 17 to 30.

35. A paging cause transmission apparatus comprising a memory and a processor, wherein the memory stores a computer program operable on the processor, and wherein the processor executes the computer program to perform the steps of the paging cause transmission method according to any one of claims 1 to 16.

36. A paging cause acquisition apparatus comprising a memory and a processor, wherein the memory stores a computer program operable on the processor, and the processor executes the computer program to perform the steps of the paging cause acquisition method according to claims 17 to 30.