CN116347599A - Paging method and device - Google Patents
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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
- H04W68/005—Transmission of information for alerting of incoming communication
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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
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The embodiment of the application provides a paging method and a paging device, which relate to the technical field of communication, and the method comprises the following steps: the terminal equipment receives the DRX configuration information, determines a first DRX value based on the coverage level or the coverage type of the terminal equipment and the DRX configuration information, and receives paging information sent by the network equipment by using the first DRX value. The DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage level or the coverage type, wherein the coverage type comprises enhanced coverage and common coverage. According to the method provided by the embodiment of the application, the coverage level or the coverage type of the terminal equipment is considered in the process of determining the DRX, so that the determined DRX is matched with the coverage capability of the terminal equipment, and the method directly takes a unique maximum DRX value for use, so that the time delay of the terminal equipment for receiving the paging message can be reduced.
Description
Technical Field
The embodiment of the application relates to the technical field of communication, in particular to a paging method and device.
Background
The access network device may initiate paging to the terminal device for calling the terminal device in one discontinuous reception (Discontinious Reception, DRX) cycle. The terminal device may receive access network device initiated pages within one DRX cycle. One DRX cycle may include a wake-up interval (e.g., on Duration interval) in which the terminal device may receive a page initiated by the access network device, and a sleep interval (e.g., opportunity for DRX interval) in which the terminal device does not receive a page initiated by the access network device, so that the terminal device may save power consumption.
Currently, the access network device may send multiple pages to the terminal device (i.e. repeatedly paging the terminal device), where the terminal device receives the pages using DRX corresponding to the maximum number of paging repetitions, which may result in too long a delay for receiving the paging message by some terminal devices.
Disclosure of Invention
The embodiment of the application provides a paging method and a paging device, which can determine a DRX value for receiving paging information according to the coverage level or the coverage type of terminal equipment, so that the coverage level or the coverage type of the terminal equipment is considered in the process of determining the DRX, and the determined DRX is matched with the coverage capability of the terminal equipment, and the method and the device are not used by directly taking a unique maximum DRX value like the prior art, so that the time delay of the terminal equipment for receiving the paging information can be reduced.
In a first aspect, an embodiment of the present application provides a paging method, which is applied to a terminal device, including:
receiving DRX configuration information; the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage level or the coverage type, wherein the coverage type comprises enhanced coverage and common coverage;
determining a first DRX value based on coverage level or coverage type of the terminal device and DRX configuration information;
And receiving the paging message sent by the network equipment by using the first DRX value.
In the embodiment of the invention, the DRX value for receiving the paging message can be determined according to the coverage level or the coverage type of the terminal equipment, so that the coverage level or the coverage type of the terminal equipment is considered in the process of determining the DRX, the determined DRX can be matched with the coverage capability of the terminal equipment, and the method and the device are not used by directly taking a unique maximum DRX value like the prior art, thereby reducing the time delay of the terminal equipment for receiving the paging message.
In one possible implementation manner, determining the first DRX value based on the coverage level or the coverage type of the terminal device and the DRX configuration information includes:
determining a second DRX value based on the coverage level or the coverage type of the terminal device and DRX configuration information;
and determining a first DRX value according to the second DRX value.
In one of the possible implementations of this method,
if the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage type, the DRX value corresponding to the enhanced coverage in the DRX configuration information is larger than the DRX value corresponding to the common coverage; or,
if the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage level, the DRX value corresponding to the coverage level with high coverage level in the DRX configuration information is larger than the DRX value corresponding to the coverage level with low coverage level.
In the embodiment of the present application, the DRX value is set according to the coverage level or the coverage type, so that corresponding DRX values can be matched with terminal devices with different coverage levels or coverage types, and the DRX value of the paging message can be determined according to the DRX value corresponding to the coverage level or the coverage type of the terminal device.
In one possible implementation manner, determining the first DRX value according to the second DRX value includes:
acquiring a plurality of third DRX values, wherein the plurality of third DRX values are a plurality of DRX values except the second DRX value;
the first DRX value is determined from the plurality of third DRX values and the second DRX value.
In one possible implementation, the plurality of third DRX values includes at least a specific DRX value of the terminal device and a cell default DRX value.
In one possible implementation manner, determining the first DRX value according to the plurality of third DRX values and the second DRX value includes:
determining a larger DRX value as a pending DRX value in a specific DRX value and a second DRX value of terminal equipment;
and determining a smaller DRX value as a first DRX value in the pending DRX values and the default DRX values of the cells.
In the embodiment of the application, the minimum communication requirement can be met by comparing the minimum communication requirement with the specific DRX value of the terminal equipment, and then the maximum limitation requirement of the cell can be met by comparing the minimum DRX value with the default DRX value of the cell, so that the smaller DRX value can be used as the first DRX value, the DRX value finally determined by the terminal equipment can meet the minimum communication requirement and does not exceed the maximum limitation of the cell, the selected DRX value can be matched with the coverage capability of the terminal equipment, the time delay of the terminal equipment for receiving paging information can be reduced, and the paging receiving efficiency is improved.
In a second aspect, an embodiment of the present application further provides a paging method, applied to a network device, including:
transmitting Discontinuous Reception (DRX) configuration information; the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage level or the coverage type, wherein the coverage type comprises enhanced coverage and common coverage;
receiving a paging message;
determining a first DRX value based on a coverage level or a coverage type of the terminal equipment obtained according to the paging message and a mapping relation between the DRX value and the coverage level or the coverage type;
and sending the paging message to the terminal equipment by using the first DRX value.
In one possible implementation manner, determining the first DRX value based on the coverage level or coverage type of the terminal device acquired according to the paging message and a mapping relationship between the DRX value and the coverage level or coverage type includes:
determining a second DRX value based on the coverage level or the coverage type of the terminal equipment obtained according to the paging message and the mapping relation between the DRX value and the coverage level or the coverage type;
and determining a first DRX value according to the second DRX value. In one of the possible implementations of this method,
if the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage type, the DRX value corresponding to the enhanced coverage in the DRX configuration information is larger than the DRX value corresponding to the common coverage; or,
If the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage level, the DRX value corresponding to the coverage level with high coverage level in the DRX configuration information is larger than the DRX value corresponding to the coverage level with low coverage level.
In one possible implementation manner, determining the first DRX value according to the second DRX value includes:
acquiring a plurality of third DRX values, wherein the plurality of third DRX values are a plurality of DRX values except the second DRX value;
the first DRX value is determined from the plurality of third DRX values and the second DRX value.
In one possible implementation, the plurality of third DRX values includes at least a specific DRX value of the terminal device and a cell default DRX value.
In one possible implementation manner, determining the first DRX value according to the plurality of third DRX values and the second DRX value includes:
determining a larger DRX value as a pending DRX value in a specific DRX value and a second DRX value of terminal equipment;
and determining a smaller DRX value as a first DRX value in the pending DRX values and the default DRX values of the cells.
In a third aspect, an embodiment of the present application provides a communication apparatus, including: a processor and a memory for storing a computer program; the processor is configured to execute a computer program for performing the method as described in the first aspect.
In a fourth aspect, embodiments of the present application further provide a communication apparatus, including: a processor and a memory for storing a computer program; the processor is configured to run a computer program to perform the method as described in the second aspect.
In a fifth aspect, embodiments of the present application provide a computer readable storage medium having a computer program stored therein, which when run on a computer, causes the computer to implement the method as described in the first to second aspects.
In a sixth aspect, embodiments of the present application provide a computer program product comprising a computer program which, when executed by a computer, causes the computer to implement a method as described in the first or second aspect.
In a possible implementation manner, the program in the sixth aspect may be stored in whole or in part on a storage medium packaged together with the processor, or may be stored in part or in whole on a memory not packaged together with the processor.
In a seventh aspect, embodiments of the present application provide a communication apparatus, including: one or more functional modules for performing any of the paging methods provided in the first aspect.
In an eighth aspect, embodiments of the present application provide a communication apparatus, including: one or more functional modules configured to perform any one of the paging methods provided in the second aspect.
In a ninth aspect, there is provided a communication system comprising: a communication device for performing any one of the methods provided in the first aspect and a communication device for performing any one of the methods provided in the second aspect.
Wherein the communication apparatus in the third aspect and the seventh aspect may be a chip or a terminal device, and the communication apparatus in the fourth aspect and the eighth aspect may be a chip or a network device.
Drawings
Fig. 1 is a schematic diagram of a DRX cycle provided in an embodiment of the present application;
fig. 2 is a flow chart of a paging method provided in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of one embodiment of a communication device provided herein;
fig. 4 is a schematic structural diagram of another embodiment of a communication device provided in the present application;
fig. 5 is a schematic structural diagram of a further embodiment of a communication device provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Wherein, in the description of the embodiments of the present application, "/" means or is meant unless otherwise indicated, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone.
The terms "first" and "second" are used below for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
Some terms related to the embodiments of the present application are explained below to facilitate understanding by those skilled in the art.
1. Terminal equipment
In this embodiment of the present application, the terminal device is a device with a wireless transceiver function, and may be referred to as a terminal, a User Equipment (UE), a Mobile Station (MS), a Mobile Terminal (MT), an access terminal device, a vehicle-mounted terminal device, an industrial control terminal device, a UE unit, a UE station, a mobile station, a remote terminal device, a mobile device, a UE terminal device, a wireless communication device, a UE agent, or a UE apparatus. The terminal device may be fixed or mobile. It should be noted that the terminal device may support at least one wireless communication technology, such as long term evolution (long term evolution, LTE), new Radio (NR), wideband code division multiple access (wideband code divisionmultiple access, WCDMA), and so on. For example, the terminal device may be a mobile phone, a tablet, a desktop, a notebook, a kiosk, a car-mounted terminal, a Virtual Reality (VR) terminal device, an augmented reality (augmented reality, AR) terminal device, a wireless terminal in an industrial control (industrial control), a wireless terminal in a self-driving (self-driving), a wireless terminal in a teleoperation (remote medical surgery), a wireless terminal in a smart grid, a wireless terminal in a transportation security (transportation safety), a wireless terminal in a smart city, a wireless terminal in a smart home (smart home), a cellular phone, a cordless phone, a session initiation protocol (session initiation protocol, SIP) phone, a wireless local loop (wireless local loop, WLL) station, a personal digital assistant (personal digital assistant, PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, a wearable device, a terminal in a future mobile communication network, or a public land mobile network (public land mobile network) in a future mobile communication network, etc. In some embodiments of the present application, the terminal device may also be a device with a transceiver function, such as a chip system. The chip system may include a chip and may also include other discrete devices.
2. Access network device
The access network device in the embodiment of the present application is a device that provides a wireless communication function for a terminal device, and may also be referred to as a radio access network (radio access network, RAN) device or the like. Wherein the access network device may support at least one wireless communication technology, such as LTE, NR, WCDMA, etc. By way of example, access network devices include, but are not limited to: next generation base stations (gnbs), evolved node bs (enbs), radio network controllers (radio network controller, RNCs), node bs (node bs, NB), base station controllers (base station controller, BSC), base transceiver stations (base transceiver station, BTS), home base stations (e.g., home evolved node B, or home node B, HNB), baseband units (BBUs), transceiving points (transmitting and receiving point, TRPs), transmitting points (transmitting point, TP), mobile switching centers, and the like in a fifth generation mobile communication system (5 th-generation, 5G). The access network device may also be a wireless controller, a Centralized Unit (CU) and/or a Distributed Unit (DU) in the cloud wireless access network (cloud radio access network, CRAN) scenario, or the access network device may be a relay station, an access point, a vehicle-mounted device, a terminal device, a wearable device, and an access network device in future mobile communication or an access network device in a future evolved PLMN, etc. In some embodiments, the access network device may also be a device, such as a system-on-a-chip, having the functionality to provide wireless communication for the terminal device. By way of example, the chip system may include a chip, and may also include other discrete devices.
3. Uplink communication
In this embodiment of the present application, uplink communication may be referred to as uplink transmission, which refers to a process in which in communication between a terminal device and an access network device, the terminal device sends a signal to the access network device. The signal sent by the terminal device to the access network device may be referred to as an uplink signal or uplink information. The uplink signal includes uplink control information (uplink control information, UCI) and/or uplink data, for example. The uplink control information is used to carry relevant information fed back by the terminal device, such as channel state information (channel state information, CSI), acknowledgement (ACK)/negative acknowledgement (negative acknowledge, NACK), and the like. Specifically, the uplink control information may be carried on a physical uplink control channel (physical uplink control channel, PUCCH) or a physical uplink shared channel (physical uplink shared channel, PUSCH), and the uplink data may be carried on the physical uplink shared channel.
4. Downstream communication
In this embodiment of the present application, the downlink communication may also be referred to as downlink transmission, which refers to a process in which, in communication between a terminal device and an access network device, the terminal device receives a signal sent by the access network device. The signal sent by the access network device received by the terminal device may be referred to as a downlink signal or downlink information. For example, the downlink signal may include downlink control information (downlink control information, DCI) and/or downlink data (downlink data). The downlink control information is information related to downlink data scheduling, such as resource allocation of a data channel and modulation and coding scheme. Specifically, the downlink control information may be carried on a physical downlink control channel (physical downlink control channel, PDCCH), and the downlink data may be carried on a physical downlink shared channel (physical downlink shared channel, PDSCH).
5、DRX
The DRX value in the embodiments of the present application may be regarded as one DRX cycle. A DRX cycle may include a wake-up interval in which a terminal device may receive a page sent by an access network device, and a sleep interval in which the terminal device is in a sleep state and does not monitor a control channel. A schematic diagram of a DRX cycle is shown in fig. 1.
6. Coverage class, coverage type
The coverage type in the embodiment of the application is used for characterizing the capability of the terminal equipment to receive the paging message. In particular, terminal devices of different coverage capabilities may have different coverage types. The coverage types may include enhanced coverage and normal coverage, among others. In the normal coverage scenario, the access network device sends a paging message once in one DRX cycle, that is, the terminal device with normal coverage capability may receive a paging message once in one DRX cycle. In the enhanced coverage scenario, the access network device may repeatedly send paging messages multiple times within one DRX cycle, that is, the terminal device with enhanced coverage may receive paging messages multiple times within one DRX cycle. Thus, a small value can be set for the DRX cycle of normal coverage, thereby enabling the terminal device to quickly receive paging messages; and for the DRX cycle of enhanced coverage, a larger value can be set, so that the terminal equipment can complete the reception of all repeated paging messages in one DRX cycle, and the repeated paging messages are prevented from being received in a plurality of DRX cycles.
The coverage grade in the embodiment of the application is used for representing the quality of the wireless environment where the terminal equipment with the enhanced coverage capability is located, and the coverage grade can also represent the quality of the wireless signal received by the terminal equipment with the enhanced coverage capability. The terminal equipment with enhanced coverage capability can determine the corresponding coverage level by comparing the measured reference signal received power (Reference Signal Receiving Power, RSRP) with a preset RSRP threshold. The terminal device with enhanced coverage may have different coverage levels depending on the quality of the wireless environment in which the terminal device with enhanced coverage is located. For example, a terminal device may have a higher coverage level if the quality of the wireless environment in which the terminal device is located is poor. If the quality of the wireless environment in which the terminal device is located is good, the terminal device may have a lower coverage level. In order to improve the success rate of receiving paging by the terminal equipment, the terminal equipment with high coverage grade can receive paging with larger repetition times. A terminal device with a low coverage level may receive a page with a lower number of repetitions.
The coverage level in the embodiments of the present application may also be a hierarchy that is performed together for normal coverage and enhanced coverage. At this time, the lowest level of the coverage levels may be normal coverage, and the other levels may be the levels of the enhanced coverage.
The foregoing is a simplified description of some of the concepts related to the present application.
At present, for the terminal equipment with enhanced coverage, the access network equipment can configure a maximum paging repetition number, so that the access network equipment can initiate repeated paging to the terminal equipment according to the set maximum paging repetition number, and further, the terminal equipment with enhanced coverage can receive repeated paging initiated by the access network equipment in a DRX period.
However, as the protocols divide the coverage classes of the coverage-enhanced terminal devices, the terminal devices of different coverage classes differ in their ability to receive pages, that is, in the need to receive the maximum number of repetitions of the paging message. For example, a terminal device with a higher coverage level may receive a page with a greater number of repetitions and a terminal device with a lower coverage level may receive a page with a lower number of repetitions. Therefore, if DRX satisfying the maximum number of repetitions is still used, the DRX value of the maximum number of repetitions is generally large, and since the terminal device with a low coverage level does not need such a large DRX value, the large DRX value may cause unnecessary paging delay to the terminal device with a low coverage level, thereby reducing paging efficiency.
Based on the above problems, the embodiment of the application provides a paging method. The paging method provided in the embodiment of the present application will now be described with reference to fig. 2.
As shown in fig. 2, a flow chart of an embodiment of a paging method provided in an embodiment of the present application specifically includes the following steps:
in step 201, the first network device transmits DRX configuration information indicating a mapping relationship between a DRX value and a coverage level or a coverage type. Correspondingly, the terminal equipment receives the DRX configuration information.
In particular, the first network device may be an access network device, e.g. a base station. The first network device may broadcast the DRX configuration information, which may thereby be made available to all terminal devices within the cell to receive. Alternatively, the first network device may also send DRX configuration information to a terminal device, whereby the terminal device may be caused to receive the DRX configuration information. The embodiment of the present application is not particularly limited thereto.
The DRX configuration information is used to indicate a mapping relationship between a DRX value and a coverage level or a coverage type, where the coverage type may include enhanced coverage and normal coverage. Wherein, the DRX value refers to a value of one DRX cycle. It is to be appreciated that the DRX value in the DRX configuration information is used to characterize DRX corresponding to a coverage level or type.
For convenience of description, the mapping relationship between the DRX value and the coverage level may be referred to as a first mapping relationship, and the mapping relationship between the DRX value and the coverage type may be referred to as a second mapping relationship. An exemplary first mapping may be seen in table 1 and an exemplary second mapping may be seen in table 2. It will be appreciated that table 1 illustrates a scenario of 3 coverage levels by way of example only, and is not limiting of embodiments of the present application, and that in some embodiments, more or fewer coverage levels may be provided.
TABLE 1
Coverage class | DRX value |
Coverage class 1 | DRX value 1 |
Coverage class 2 | DRX value 2 |
Coverage class 3 | DRX value 3 |
TABLE 2
Coverage type | DRX value |
Enhanced coverage | DRX value 1 |
Common cover | DRX value 2 |
Optionally, a DRX value corresponding to a coverage type may be the minimum DRX value allowable for the coverage type, and a DRX value corresponding to a coverage level may be the minimum DRX value allowable for the coverage level.
Optionally, if the DRX configuration information is used to indicate a mapping relationship between a DRX value and the coverage type, a DRX value corresponding to the enhanced coverage in the DRX configuration information is greater than a DRX value corresponding to the normal coverage. For example, see table 2, drx value 1> drx value 2.
For example, if the terminal device has a normal coverage capability, the terminal device of the normal coverage capability may receive a page of the first network device, and thus, the DRX value corresponding to the normal coverage may be set smaller. That is, the normally covered terminal device may have a small DRX value. If the terminal device has the enhanced coverage capability, the terminal device with the enhanced coverage capability may receive repeated paging of the first network device, and thus, the DRX value corresponding to the enhanced coverage may be set to be larger. That is, the enhanced coverage terminal device may have a larger DRX value.
Optionally, if the DRX configuration information is used to indicate a mapping relationship between a DRX value and the coverage level, a DRX value corresponding to a coverage level with a high coverage level in the DRX configuration information is greater than a DRX value corresponding to a coverage level with a low coverage level. For example, in table 1 above, coverage level 1> coverage level 2> coverage level 3, drx value 1> drx value 2> drx value 3.
The terminal device may have a higher coverage level if the quality of the wireless environment in which the terminal device is located is poor. At this time, in order to improve the success rate of the terminal device for receiving the paging, the number of repetitions of the paging sent by the first network device is greater, so that the first network device may set a larger DRX cycle, so that the terminal device may have enough time to receive the repeated paging sent by the first network device. That is, higher coverage level terminal devices may have larger DRX values. The quality of the wireless environment in which the terminal device is located is good, the terminal device may have a lower coverage level. At this time, in order to reduce the delay of the terminal device to receiving the paging sent by the first network device, the number of repetitions of the paging sent by the first network device is smaller, so that the first network device may set a smaller DRX cycle, so that the terminal device may receive the repeated paging sent by the first network device in a shorter time. That is, a terminal device of a lower coverage level may have a smaller DRX value.
Step 202, the terminal device determines a first DRX value based on a coverage level or a coverage type of the terminal device and DRX configuration information.
Optionally, step 202 includes step 202a and step 202b when specifically implemented:
step 202a, determining a second DRX value based on the coverage level or coverage type of the terminal device and the DRX configuration information.
Specifically, the terminal device may determine a DRX value corresponding to a coverage level or a coverage type in the DRX configuration information according to the coverage level or the coverage type. For ease of description, the DRX value corresponding to this level of coverage or type of coverage will be referred to herein as the "second DRX value".
Step 202b, determining a first DRX value according to the second DRX value.
Optionally, step 202b may include steps 11) and 12) when embodied:
step 11), a plurality of third DRX values are obtained, wherein the plurality of third DRX values are a plurality of DRX values except the second DRX value.
In particular, the plurality of third DRX values may include a terminal device specific DRX (also may be referred to as UE-specific DRX) value and a cell default DRX (also may be referred to as default DRX) value. Optionally, in some embodiments, the plurality of third DRX values may further include a terminal device specific minimum DRX (also referred to as UE-specific DRX-cycle min) value. The terminal device specific DRX value may be obtained after the terminal device has previously negotiated with the second network device, that is, each terminal device may have its corresponding terminal device specific DRX value, which may be, for example, a core network device, such as a mobility management entity (mobile management entity, MME) in a 4G network, or an access and mobility management function (access and mobile management function, AMF) in a 5G network. The cell default DRX value and the terminal device specific minimum DRX value may be sent to the terminal device by the first network device, and illustratively, the cell default DRX value and the terminal device specific minimum DRX value may be broadcast by the first network device, or may be sent to the terminal device by the first network device in a point-to-point manner. If one terminal device has a terminal device specific DRX value, the terminal device may receive the paging message using min (terminal device specific DRX value, cell default DRX value), and if one terminal device does not have a terminal device specific DRX value, the terminal device may receive the paging message using cell default DRX value. In this application, min (a, b) refers to taking the smaller of a and b, and max (a, b) refers to taking the larger of a and b.
Step 12), determining a first DRX value according to the plurality of third DRX values and the second DRX value. The plurality of third DRX values at least comprise specific DRX values of the terminal equipment and cell default DRX values.
Alternatively, step 12) may be implemented in the following manner one or two manners when it is implemented.
Mode one
And determining a larger DRX value as a pending DRX value in a specific DRX value and a second DRX value of the terminal equipment, and determining a smaller DRX value as a first DRX value in the pending DRX value and a cell default DRX value.
Specifically, to meet the minimum requirements of communication (i.e., the minimum quality requirements of the wireless environment), the terminal device may first calculate a pending DRX value, which may be used to characterize the DRX value under the minimum communication requirements; wherein the pending drx=max (terminal device specific DRX, second DRX), that is, the pending DRX value is the larger of the terminal device specific DRX value and the second DRX value.
Further, in order not to exceed the DRX threshold value of the cell (e.g., the cell default DRX value), a smaller DRX value may be taken as the first DRX value, e.g., first drx=min (pending DRX, cell default DRX), from among the pending DRX value and the cell default DRX value.
The access network device caches the paging message sent to the terminal device, if the previous DRX cycle cannot send the paging message, the paging message needs to be sent in the next DRX cycle, if the DRX cycle is too long, the delay of the paging message will be too large, in the first mode, because the second DRX value is a DRX value corresponding to the coverage level or the coverage type, the determined DRX can not only enable the selected DRX value to meet the minimum communication requirement, but also enable the selected DRX value to match the coverage capability of the terminal device, the determination of the first DRX value can avoid using the highest DRX to receive the paging message, and because the terminal device can receive the paging message on the paging occasion in each DRX cycle, the smaller DRX value can enable the delay of the terminal device to receive the paging message to be reduced, thereby reducing the delay of the terminal device with low coverage level or the terminal device with ordinary coverage to receive the paging message, and further improving the paging receiving efficiency.
Mode two
The terminal device may first calculate a pending DRX value in a normal coverage scenario. The pending DRX value may be a smaller DRX value among a specific DRX value of the terminal device and a cell default DRX value, for example, pending drx=min (specific DRX of the terminal device, cell default DRX). Then, to meet the minimum communication requirement, the pending DRX value may also be compared with the second DRX value, whereby a larger value may be used as the first DRX. For example, first drx=max (pending DRX, second DRX). By the second mode, the minimum DRX requirement required by the terminal equipment with different coverage grades or different coverage types can be met, so that the power consumption of the terminal equipment can be reduced, and the time delay of the terminal equipment for receiving the paging message is reduced.
It should be noted that, the terminal device does not calculate the first DRX value every time the paging message is received, and illustratively, when parameters related to the paging message (for example, coverage level, coverage type, DRX configuration parameter, etc.) are unchanged, the most recently used first DRX value may be used without repeating the calculation, and the paging occasion for receiving the paging message may be determined using the most recently used first DRX value, thereby receiving the paging message at the paging occasion.
Prior to step 202, the method may further comprise: the terminal device determines a coverage class or a coverage type of the terminal device.
Specifically, the terminal device may first determine the coverage level or the coverage type of the terminal device as follows.
For example, the terminal device may measure RSRP and may calculate the corresponding coverage level according to the calculation rule and the RSRP obtained by the measurement. It may be understood that the calculation rule may be preset in the terminal device, or may be sent by the first network device to the terminal device, which is not limited in particular in the embodiment of the present application.
Further, the coverage type or the coverage level may be stored in the terminal device in advance. It will be appreciated that the coverage type or coverage level may correspond to the coverage capabilities of the terminal device. For example, if the terminal device has an enhanced coverage capability, the terminal device is of an enhanced coverage type; if the terminal equipment has the ordinary coverage capability, the terminal equipment is of an ordinary coverage type.
The second network device sends a paging message to the first network device, step 203. Correspondingly, the first network device receives the paging message sent by the second network device.
Specifically, when the second network device initiates paging to the terminal device, a paging message may be generated and may be sent to the first network device.
In step 204, the first network device determines a first DRX value based on the coverage level or coverage type of the terminal device and a mapping relationship between the DRX value and the coverage level or coverage type.
Optionally, step 204 includes, in specific implementation: determining a second DRX value based on a coverage level or a coverage type of the terminal device and a mapping relation between the DRX value and the coverage level or the coverage type; and determining a first DRX value according to the second DRX value. The specific implementation is similar to that of the terminal device, and can be understood with reference to the above, and will not be repeated.
Optionally, before step 204, the method further includes: the first network device determines a coverage class or a coverage type of the terminal device based on the paging message.
Specifically, after receiving the paging message, the first network device may determine a coverage class or a coverage type of the terminal device based on the paging message.
In a specific implementation, the first network device may determine the coverage level or the coverage type of the terminal device in two ways (mode 1 or mode 2).
Mode 1
The paging message contains the coverage type or coverage class of the terminal device.
Specifically, after the first network device receives the paging message, if the paging message includes the coverage type or coverage class of the terminal device, it is determined that the coverage type or coverage class in the paging message is the coverage type or coverage class of the terminal device. The paging message may include an identifier of the terminal device. The identifier of the terminal device may be, for example, an international mobile subscriber identity (International Mobile Subscriber Identity, IMSI) or other types of identifiers, which are not limited in particular in the embodiments of the present application.
Mode 2
The paging message contains the RSRP of the terminal device, and the coverage class of the terminal device is determined based on the RSRP. The first network device may calculate and obtain the coverage level corresponding to the terminal device according to the RSRP of the terminal device carried in the paging message. The coverage level may be obtained according to a preset calculation rule, and it may be understood that the preset calculation rule is kept consistent between the first network device and the terminal device, so that the coverage level obtained by calculation of the first network device and the terminal device may be ensured to be consistent. For example, the first network device may broadcast the preset calculation rule in advance, or send the calculation rule to the terminal device in a point-to-point manner.
In step 205, the first network device sends a paging message to the terminal device using the first DRX value. Correspondingly, the terminal equipment receives the paging message sent by the first network equipment by applying the first DRX value.
Specifically, the first network device sends a paging message to the terminal device on a paging occasion corresponding to the first DRX value, and the terminal device receives the paging message on the paging occasion corresponding to the first DRX value.
The access network device caches the paging message sent to the terminal device, if the previous DRX cycle cannot send the paging message, the paging message needs to be sent in the next DRX cycle, and if the DRX cycle is too long, the delay of the paging message is too large. In the embodiment of the invention, the DRX value for receiving the paging message can be determined according to the coverage level or the coverage type of the terminal equipment, so that the coverage level or the coverage type of the terminal equipment is considered in the process of determining the DRX, the determined DRX can be matched with the coverage capability of the terminal equipment, and the method and the device are not used by directly taking a unique maximum DRX value like the prior art, thereby reducing the time delay of the terminal equipment for receiving the paging message.
The above embodiments may be used alone or in combination with each other to achieve different technical effects.
In the embodiments provided in the present application, the paging method provided in the embodiments of the present application is described from the point of view that the network device and the terminal device are the execution subjects. In order to achieve the above-mentioned paging method provided in the embodiments of the present application. In order to implement the functions in the paging method provided in the embodiments of the present application, the terminal device and the network device may include hardware structures and/or software modules, and implement the functions in the form of hardware structures, software modules, or a combination of hardware structures and software modules. Some of the functions described above are performed in a hardware configuration, a software module, or a combination of hardware and software modules, depending on the specific application of the solution and design constraints.
Fig. 3 is a schematic structural diagram of a communication device 30 according to an embodiment of the present application, which may include: a receiving module 31 and a determining module 32; wherein,,
a receiving module 31, configured to receive DRX configuration information; the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage level or the coverage type, wherein the coverage type comprises enhanced coverage and common coverage;
a determining module 32, configured to determine a first DRX value based on a coverage level or a coverage type of the terminal device and DRX configuration information;
The receiving module 31 is further configured to receive a paging message sent by the network device by applying the first DRX value.
In one possible implementation, the determining module 32 is specifically configured to
Determining a second DRX value based on the coverage level or the coverage type of the terminal device and DRX configuration information;
and determining a first DRX value according to the second DRX value.
In one possible implementation of the present invention,
if the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage type, the DRX value corresponding to the enhanced coverage in the DRX configuration information is larger than the DRX value corresponding to the common coverage; or,
if the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage level, the DRX value corresponding to the coverage level with high coverage level in the DRX configuration information is larger than the DRX value corresponding to the coverage level with low coverage level.
In one possible implementation, the determining module 32 is specifically configured to
Acquiring a plurality of third DRX values, wherein the plurality of third DRX values are a plurality of DRX values except the second DRX value;
the first DRX value is determined from the plurality of third DRX values and the second DRX value.
In one possible implementation, the plurality of third DRX values includes at least a specific DRX value of the terminal device and a cell default DRX value.
In one possible implementation, the determining module 32 is specifically configured to
Determining a larger DRX value as a pending DRX value in a specific DRX value and a second DRX value of terminal equipment;
and determining a smaller DRX value as a first DRX value in the pending DRX values and the default DRX values of the cells.
In one possible implementation, the communication device 30 may be a chip or a terminal device.
Fig. 4 is a schematic structural diagram of a communication device 40 according to an embodiment of the present application, which may include: a transmitting module 41, a receiving module 42, and a determining module 43;
a transmitting module 41, configured to transmit DRX configuration information; the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage level or the coverage type, wherein the coverage type comprises enhanced coverage and common coverage;
a receiving module 42 for receiving a paging message;
a determining module 43, configured to determine a first DRX value based on a coverage level or a coverage type of the terminal device acquired according to the paging message and a mapping relationship between the DRX value and the coverage level or the coverage type;
the sending module 41 is further configured to send a paging message to the terminal device by applying the first DRX value.
In one possible implementation, the determining module 43 is specifically configured to
Determining a second DRX value based on the coverage level or the coverage type of the terminal equipment obtained according to the paging message and the mapping relation between the DRX value and the coverage level or the coverage type;
and determining a first DRX value according to the second DRX value.
In one possible implementation of the present invention,
if the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage type, the DRX value corresponding to the enhanced coverage in the DRX configuration information is larger than the DRX value corresponding to the common coverage; or,
if the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage level, the DRX value corresponding to the coverage level with high coverage level in the DRX configuration information is larger than the DRX value corresponding to the coverage level with low coverage level.
In one possible implementation, the determining module 43 is specifically configured to
Acquiring a plurality of third DRX values, wherein the plurality of third DRX values are a plurality of DRX values except the second DRX value;
the first DRX value is determined from the plurality of third DRX values and the second DRX value.
In one possible implementation, the plurality of third DRX values includes at least a specific DRX value of the terminal device and a cell default DRX value.
In one possible implementation, the determining module 43 is specifically configured to
Determining a larger DRX value as a pending DRX value in a specific DRX value and a second DRX value of terminal equipment;
And determining a smaller DRX value as a first DRX value in the pending DRX values and the default DRX values of the cells.
In one possible implementation, the communication device 40 may be a chip or a network device.
Fig. 5 is a schematic structural diagram of a communication device 500 according to an embodiment of the present application, where the communication device 500 may include: at least one processor; and at least one memory communicatively coupled to the processor. The communication apparatus 500 may be a network device or a terminal device. The memory stores program instructions executable by the processor, and if the communication apparatus 500 is a network device, the processor calls the program instructions to execute the actions executed by the network device in the paging method provided in the embodiment of the present application, and if the communication apparatus 500 is a terminal device, the processor calls the program instructions to execute the actions executed by the terminal device in the paging method provided in the embodiment of the present application.
As shown in fig. 5, the communications apparatus 500 may be embodied in the form of a general purpose computing device. The components of the communications device 500 may include, but are not limited to: one or more processors 510, a memory 520, a communication bus 540 and a communication interface 530 that connect the different system components (including the memory 520 and the processor 510).
A program/utility having a set (at least one) of program modules may be stored in the memory 520, such program modules include, but are not limited to, an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment. Program modules generally perform the functions and/or methods in the embodiments described herein.
The communications apparatus 500 can also communicate with one or more external devices (e.g., keyboard, pointing device, display, etc.), one or more devices that enable a user to interact with the communications apparatus 500, and/or any device (e.g., network card, modem, etc.) that enables the communications apparatus 500 to communicate with one or more other computing devices. Such communication may occur through communication interface 530. Also, the communications apparatus 500 may communicate with one or more networks (e.g., local area network (Local Area Network, LAN), wide area network (Wide Area Network, WAN) and/or public network, such as the internet) via a network adapter (not shown in fig. 5) that may communicate with other modules of the electronic device via the communications bus 540. It should be appreciated that although not shown in fig. 5, other hardware and/or software modules may be used in connection with the communications device 500, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, disk array (Redundant Arrays of Independent Drives, RAID) systems, tape drives, data backup storage systems, and the like.
From the foregoing description of the embodiments, it will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of functional modules is illustrated, and in practical application, the above-described functional allocation may be implemented by different functional modules according to needs, i.e. the internal structure of the apparatus is divided into different functional modules to implement all or part of the functions described above. The specific working processes of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, which are not described herein.
The functional units in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the embodiments of the present application may be essentially or a part contributing to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium, including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: flash memory, removable hard disk, read-only memory, random access memory, magnetic or optical disk, and the like.
The foregoing is merely a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (19)
1. A paging method applied to a terminal device, the method comprising:
receiving Discontinuous Reception (DRX) configuration information; the DRX configuration information is used for indicating a mapping relation between a DRX value and a coverage level or a coverage type, wherein the coverage type comprises enhanced coverage and common coverage;
determining a first DRX value based on a coverage level or a coverage type of the terminal device and the DRX configuration information;
and receiving the paging message sent by the network equipment by using the first DRX value.
2. The method of claim 1, wherein the determining a first DRX value based on a coverage level or a coverage type of the terminal device and the DRX configuration information comprises:
determining a second DRX value based on the coverage level or the coverage type of the terminal device and the DRX configuration information;
and determining the first DRX value according to the second DRX value.
3. The method of claim 2, wherein the step of determining the position of the substrate comprises,
if the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage type, the DRX value corresponding to the enhanced coverage in the DRX configuration information is larger than the DRX value corresponding to the common coverage; or,
and if the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage level, the DRX value corresponding to the coverage level with high coverage level in the DRX configuration information is larger than the DRX value corresponding to the coverage level with low coverage level.
4. A method according to claim 2 or 3, wherein said determining said first DRX value from said second DRX value comprises:
acquiring a plurality of third DRX values, wherein the plurality of third DRX values are a plurality of DRX values except the second DRX value;
and determining the first DRX value according to the third DRX values and the second DRX value.
5. The method of claim 4, wherein the plurality of third DRX values comprises at least a specific DRX value of the terminal device and a cell default DRX value.
6. The method of claim 5, wherein the determining the first DRX value from the plurality of third DRX values and the second DRX value comprises:
Determining a larger DRX value as a pending DRX value in the specific DRX value and the second DRX value of the terminal equipment;
and determining a smaller DRX value as the first DRX value in the pending DRX value and the cell default DRX value.
7. A paging method applied to a network device, the method comprising:
transmitting Discontinuous Reception (DRX) configuration information; the DRX configuration information is used for indicating a mapping relation between a DRX value and a coverage level or a coverage type, wherein the coverage type comprises enhanced coverage and common coverage;
receiving a paging message;
determining a first DRX value based on a coverage level or a coverage type of the terminal equipment acquired according to the paging message and a mapping relation between the DRX value and the coverage level or the coverage type;
and sending the paging message to the terminal equipment by applying the first DRX value.
8. The method of claim 7, wherein the determining the first DRX value based on the coverage level or coverage type of the terminal device obtained from the paging message and the mapping between the DRX value and the coverage level or coverage type comprises:
determining a second DRX value based on the coverage level or the coverage type of the terminal equipment acquired according to the paging message and the mapping relation between the DRX value and the coverage level or the coverage type;
And determining a first DRX value according to the second DRX value.
9. The method of claim 8, wherein the step of determining the position of the first electrode is performed,
if the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage type, the DRX value corresponding to the enhanced coverage in the DRX configuration information is larger than the DRX value corresponding to the common coverage; or,
and if the DRX configuration information is used for indicating the mapping relation between the DRX value and the coverage level, the DRX value corresponding to the coverage level with high coverage level in the DRX configuration information is larger than the DRX value corresponding to the coverage level with low coverage level.
10. The method according to claim 8 or 9, wherein said determining the first DRX value from the second DRX value comprises:
acquiring a plurality of third DRX values, wherein the plurality of third DRX values are a plurality of DRX values except the second DRX value;
and determining the first DRX value according to the third DRX values and the second DRX value.
11. The method of claim 10, wherein the plurality of third DRX values comprises at least a specific DRX value of the terminal device and a cell default DRX value.
12. The method of claim 11, wherein the determining the first DRX value from the plurality of third DRX values and the second DRX value comprises:
Determining a larger DRX value as a pending DRX value in the specific DRX value and the second DRX value of the terminal equipment;
and determining a smaller DRX value as the first DRX value in the pending DRX value and the cell default DRX value.
13. A communication device, comprising: a processor and a memory for storing a computer program; the processor is configured to execute the computer program to perform the paging method according to any one of claims 1-6.
14. The communication apparatus according to claim 13, wherein the communication apparatus is a chip or the communication apparatus is a terminal device.
15. A communication device, comprising: a processor and a memory for storing a computer program; the processor is configured to execute the computer program to perform the paging method according to any one of claims 7-12.
16. The communication apparatus according to claim 15, wherein the communication apparatus is a chip or the communication apparatus is a network device.
17. A communication device, comprising: one or more functional modules configured to perform the paging method of any one of claims 1-6.
18. A communication device, comprising: one or more functional modules configured to perform the paging method of any one of claims 7-12.
19. A computer readable storage medium, characterized in that the computer readable storage medium stores a computer program which, when run on a computer, implements the method according to any one of claims 1-6 or the method according to any one of claims 7-12.
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