CN110913461B - Information sending and receiving method and device - Google Patents

Information sending and receiving method and device Download PDF

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Publication number
CN110913461B
CN110913461B CN201811089647.0A CN201811089647A CN110913461B CN 110913461 B CN110913461 B CN 110913461B CN 201811089647 A CN201811089647 A CN 201811089647A CN 110913461 B CN110913461 B CN 110913461B
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states
state
terminal
group
terminal equipment
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CN110913461A (en
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孙昊
曲秉玉
薛丽霞
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

A method and a device for transmitting and receiving information,the information sending method comprises the following steps: generating first information, wherein the first information is used for indicating one of X states of P terminal devices, each of the X states is used for indicating one or more terminal devices in the P terminal devices to be in a first state, or indicating 0 terminal device or one or more terminal devices in the P terminal devices to be in the first state, the first state is an awakening state, and the P terminal devices belong to M1Individual terminal equipment group, M1Each terminal equipment group in the terminal equipment groups at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure DDA0001804029230000011
the first information is transmitted. If the network device does not schedule the terminal device in some DRX periods, the network device can inform the terminal device through the first information in advance, and the terminal device does not need to detect the candidate PDCCH in the DRX periods, so that the power consumption of the terminal device is reduced.

Description

Information sending and receiving method and device
Technical Field
The present application relates to the field of communications technologies, and in particular, to an information sending and receiving method and apparatus.
Background
In a fifth generation mobile communication system (the 5)thgeneration, 5G) system, it has been determined that the power saving design of the terminal device is an optimal direction. In the physical layer, the energy consumption overhead of the terminal device is mainly concentrated on the blind detection of a Physical Downlink Control Channel (PDCCH) candidate. In short, it can be understood that the base station does not send the downlink control signaling to the terminal device through the PDCCH for a period of time, and the terminal device does not determine whether the base station will send the downlink control signaling or not, so that the terminal device needs to perform blind detection on the PDCCH for a period of time, and the overhead of the blind detection becomes useless overhead. If the useless overhead can be reduced on the premise of ensuring the PDCCH detection performance, the endurance capability of the terminal equipment can be provided for a longer time.
For this reason, in a Long Term Evolution (LTE) LTE system, a Discontinuous Reception (DRX) mechanism has been introduced, wherein when a terminal device is in a connected state (RRC connected), the terminal device uses an energy saving mechanism of DRX in the connected state, i.e., C-DRX (connected-DRX), in which the terminal device periodically blindly detects a candidate PDCCH. When blind detection is performed, the terminal device consumes more energy, and therefore, in order to further reduce overhead, a more competitive scheme is required.
Disclosure of Invention
The embodiment of the application provides an information sending and receiving method and device, which are used for reducing the power consumption of terminal equipment.
In a first aspect, an information sending method is provided, where the method includes: generating first information, where the first information is used to indicate one of X states of P terminal devices, where each of the X states is used to indicate that one or more terminal devices of the P terminal devices are in a first state, or each of the X states is used to indicate that 0 or one or more terminal devices of the P terminal devices are in a first state, where the first state is an awake state, and the P terminal devices belong to M1A group of terminal devices, M1Each terminal equipment group in the terminal equipment group at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure BDA0001804029210000011
and sending the first information.
The method may be performed by a first communication device, which may be a network device or a communication device capable of supporting a network device to implement the functions required by the method, but may also be other communication devices, such as a system-on-chip.
In a second aspect, an information receiving method is provided, the method including: receiving first information from a network device, where the first information is used to indicate one of X states of P terminal devices, where each of the X states is used to indicate that one or more terminal devices of the P terminal devices are in a first state, or each of the X states is used to indicate that 0 or one or more terminal devices of the P terminal devices are in a first state, where the first state is an awake state, and the P terminal devices belong to M1A group of terminal devices, M1Each terminal equipment group in the terminal equipment groups at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure BDA0001804029210000012
determining, according to the first information, whether the first terminal device is in the first state or not in the first state in a next one or more discontinuous reception cycles.
The method may be performed by a second communication device, which may be a terminal device or a communication device capable of supporting a terminal device to implement the functions required by the method, but may also be other communication devices, such as a system-on-chip.
In the embodiment of the application, one or more terminal devices in the P terminal devices are indicated to be in the awake state by the first information, so that the terminal device receiving the first information can determine whether to enter the awake state or the sleep state according to the first information, for example, when the traffic of the terminal device is relatively low, the network device does not schedule the terminal device to receive/transmit data in each DRX cycle, and if the network device does not schedule the terminal device in some DRX cycles, the network device can inform the terminal device by the first information in advance, so that the terminal device does not need to detect the candidate PDCCH in the DRX cycles, thereby reducing the power consumption of the terminal device. In addition, in the embodiment of the application, the states of the P terminal devices are collectively indicated by the first information, and each bit included in the first information does not need to be used for indicating different terminal devices respectively. By the unified indication mode, the bit number of the first information can be effectively reduced, and the overhead is saved.
In one possible design, determining that the first terminal device is in the first state or not in the first state for the next one or more non-consecutive reception periods based on the first information includes: and determining that the terminal equipment group to which the first terminal equipment belongs is in the first state or not in the first state in the next one or more discontinuous reception cycles according to the serial number of the terminal equipment group to which the first terminal equipment belongs and the first information.
The network device has previously sent information such as a serial number of a terminal device group to which each terminal device of the P terminal devices belongs to the terminal device, for example, for the first terminal device, the serial number of the terminal device group to which the first terminal device belongs has been known according to notification of the network device, and a correspondence between each of the X states and the serial number of the terminal device group is predefined by a protocol or is configured to the terminal device by the network device in advance. Therefore, the first terminal device can determine whether the terminal device group to which the first terminal device belongs is in the first state or not in the first state in the next DRX cycle or cycles, that is, determine whether the first terminal device is in the first state or not in the first state in the next DRX cycle or cycles, according to the sequence number of the terminal device group to which the first terminal device belongs and the first information.
In one possible design, the first information is carried by N bits, X<2N，M1>N; or, the first information is carried by one candidate sequence of X candidate sequences, each candidate sequence of the X candidate sequences corresponding to one state of the X states.
The first information may be carried by N bits, M1>N, compared to a case where one terminal device is indicated by one bit, in the technical solution provided in the embodiment of the present application, the number of bits included in the first information is small, which is helpful for reducing system overhead. Or, the first information may also be carried by one candidate sequence of the X candidate sequences, where the X candidate sequences and the X states are in a one-to-one correspondence relationship, and a state can be indicated by the candidate sequences, and the indication manner is relatively simple.
In one possible design, Y states of the X states correspond to the M states1Arbitrary N in a terminal equipment group1Each terminal equipment group is in the first state, or Y states of the X states correspond to the M1Arbitrary (M) in each terminal device group1-N1) AnThe terminal equipment group is in the first state, N1Is a positive integer, N1<M1。
For example, relative to M1In other words, N1Can be small, e.g. M1＝10，N11 or 2 or 3, etc., so that the number of simultaneously awakened terminal devices can be small, and the awakening without false alarm can be realized as much as possible. Note that M is indicated1Arbitrary N in a terminal equipment group1Each terminal equipment group is in the first state and indicates M1Arbitrary (M) in each terminal device group1-N1) The terminal device groups are in a first state, the number of states required being equal, that is,
Figure BDA0001804029210000021
thus, by Y states, M can be indicated1Arbitrary N in a terminal equipment group1The individual terminal equipment groups are in the first state, or M can be indicated1Arbitrary (M) in each terminal device group1-N1) The terminal equipment group is in the first state and is flexible.
In one possible design, the method further includes: transmitting a first signaling for indicating that the Y states are for indicating the M1N in a terminal equipment group1The terminal equipment group is in the first state, or the Y states are used for indicating the M1(M) of a group of terminal devices1-N1) The terminal device group is in the first state. Correspondingly, the method further comprises the following steps: receiving a first signaling from the network device, the first signaling indicating that the Y states are for indicating the M1N in a terminal equipment group1The terminal equipment group is in the first state, or the Y states are used for indicating the M1(M) of a group of terminal devices1-N1) The terminal device group is in the first state.
Whether Y states indicate M1Arbitrary N in a terminal equipment group1An endThe end equipment group is in the first state, or indicates M1Arbitrary (M) in each terminal device group1-N1) The group of terminal devices is in the first state, which may be specified by a protocol or determined by the network device, and the network device may notify the terminal devices. For example, the network device may send a first signaling to the terminal device, where the first signaling is used for indicating, and the X states are used for indicating M1N in a terminal equipment group1The terminal equipment group is in the first state or used for indication, and the X states are used for indicating M1(M) of a group of terminal devices1-N1) The terminal equipment group is in the first state, or the first signaling is used for indicating, and the Y states are used for indicating M1N in a terminal equipment group1The terminal equipment groups are in the first state or used for indication, and the Y states are used for indicating M1(M) of a group of terminal devices1-N1) The group of terminal devices is in a first state. The first signaling is, for example, higher layer signaling or physical layer signaling.
In one possible design, H states of the X states correspond to the M states1Arbitrary N in a terminal equipment group2Each terminal equipment group is in the first state, or H states in the X states correspond to the M states1Arbitrary (M) in one terminal device group1-N2) Each terminal equipment group is in the first state, N2<M1，N2Is not equal to N1，H+Y≤X。
In addition to Y states, X states may include other states, i.e., X-Y states>0. In particular, if the value of X-Y is larger, it indicates that there are more remaining states in the X states in addition to the Y states. In order to avoid the waste of these states, the embodiment of the present application proposes that H states may be further included in the X states, and the H states may further indicate M1Arbitrary N in a terminal equipment group2The individual terminal equipment groups being in a first state, or, indicating M1Arbitrary (M) in each terminal device group1-N2) The terminal equipment group is in the first state, thereby being as effective as possibleWith X states, different granularity of indication can also be achieved.
In one possible design, the P terminal devices also belong to M2A group of terminal devices, M2Each terminal equipment group in the terminal equipment groups at most comprises K2A terminal device, wherein Z states of the X states correspond to the M2Arbitrary N in a terminal equipment group3Each terminal equipment group is in the first state, or Z states in the X states correspond to the M states2Arbitrary (M) in each terminal device group2-N3) Each terminal equipment group is in the first state, M2<M1， N3<M2，K2>K1，H+Y<X，H+Y+Z≤X。
In addition to Y states, X states may include other states, i.e., X-Y states>0, to avoid the waste of these states, the embodiment of the present application proposes that the remaining states of the X states may also continue to indicate M according to other indication granularities1Status of individual terminal device groups. For example, P terminal devices may be further grouped in another manner, e.g., P terminal devices may be further divided into M1In addition to individual groups of terminal devices, it can be divided into M2Individual terminal equipment group, M2Each terminal equipment group in the terminal equipment groups at most comprises K2The terminal device, Z states of the X states are used for indicating M2Arbitrary N in a terminal equipment group3The terminal equipment group is in the first state, or Z states of X states are used for indicating M2Arbitrary (M) in each terminal device group2-N3) The group of terminal devices is in a first state. M2<M1Showing that P terminal devices are divided into M2This grouping of groups of terminal devices is in contrast to the division of P terminal devices into M1The grouping mode of each terminal equipment group has thicker granularity, so that X states can indicate finer granularity and coarser granularity, and the terminal equipment groups can be awakened as required during indicationThe number of terminal devices selects the corresponding state, so that the probability of false alarm can be reduced as much as possible.
In one possible design, M2Is M1The factor of (2).
Let M2Is M1The factors of (3) may make grouping more uniform, if some terminal device groups include a larger number of terminal devices and some terminal device groups include a smaller number of terminal devices during grouping, the state of the entire terminal device group is indicated by the first information, if a terminal device group includes an excessive number of terminal devices, the terminal device group is indicated to be in the first state by the first information, and some terminal devices in the terminal device group may not actually be in the first state, which may result in a higher false alarm rate, and if M is a higher number, the terminal device group may include a larger number of terminal devices and some terminal devices may not actually be in the first state, which may result in a higher false alarm rate2Is M1The grouping is made more uniform, which helps to reduce the false alarm rate.
In one possible design, the X states further include a second state, where the second state is used to indicate that all of the P terminal devices are in the first state.
A second state may be included in the X states to indicate that P end devices are all awake. In addition, if X states are used to indicate 0 of P terminal devices and one or more terminal devices are in the first state, it is also understood that one state is also included in the X states, for example, referred to as a third state, and the third state may be used to indicate that all of the P terminal devices are not in the first state, for example, the first state is an awake state, and then the third state may be to indicate that all of the P terminal devices are in a sleep state. For example, the network device indicates that all of the P terminal devices are in the dormant state as long as the network device does not send the first information, and then, the terminal device may determine to be in the dormant state in the next DRX cycle or multiple DRX cycles as long as the terminal device does not detect the first information in one DRX cycle. Or, if the first state is the awake state, the X states may also include both the second state and the third state, that is, all the P terminal devices are in the awake state or all the P terminal devices are in the sleep state, and all the P terminal devices may be notified through the first signaling.
In a third aspect, a first communication device is provided, for example, the first communication device described in the foregoing, for example, a network device. The communication device has the function of realizing the network equipment in the method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.
In one possible design, the specific structure of the communication device may include a processing unit and a transceiver unit. The processing unit and the transceiver unit may perform the corresponding functions in the method provided in the first aspect or any one of the possible implementations of the first aspect.
In a fourth aspect, a second communication device is provided, for example, the second communication device described in the foregoing, for example, a terminal device. The communication device has the function of realizing the terminal equipment in the method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.
In one possible design, the specific structure of the communication device may include a processing unit and a transceiver unit. The processing unit and the transceiver unit may perform the corresponding functions in the method provided by the second aspect or any one of the possible implementations of the second aspect.
In a fifth aspect, a third communication device is provided, for example, the first communication device described in the foregoing, for example, a network device. The communication device has the function of realizing the network equipment in the method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.
In one possible design, the specific structure of the communication device may include a processor and a transceiver. The processor and the transceiver may perform the respective functions in the method provided by the first aspect or any one of the possible implementations of the first aspect. The transceiver is implemented as a communication interface, for example, and the communication interface is understood as a radio frequency transceiver component in the network device.
In a sixth aspect, a fourth communication device is provided, for example, the second communication device described in the foregoing, for example, a terminal equipment. The communication device has the function of realizing the terminal equipment in the method design. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.
In one possible design, the specific structure of the communication device may include a processor and a transceiver. The processor and the transceiver may perform the respective functions in the method provided by the second aspect or any one of the possible implementations of the second aspect. The transceiver is implemented as a communication interface, for example, which may be understood as a radio frequency transceiver component in the terminal device.
In a seventh aspect, a fifth communication device is provided. The communication device may be the first communication device in the above method design, such as a network device, or a chip disposed in the network device. The communication device includes: a memory for storing computer executable program code; and a processor coupled with the memory. Wherein the program code stored by the memory comprises instructions that, when executed by the processor, cause the fifth communication device to perform the method of the first aspect or any one of the possible implementations of the first aspect.
The fifth communication device may further include a communication interface, and if the fifth communication device is a network device, the communication interface may be a transceiver in the network device, such as a radio frequency transceiver component in the network device, or if the fifth communication device is a chip disposed in the network device, the communication interface may be an input/output interface of the chip, such as an input/output pin, and the like.
In an eighth aspect, a sixth communications apparatus is provided. The communication device may be the second communication device in the above method design, such as a terminal device, or a chip disposed in the terminal device. The communication device includes: a memory for storing computer executable program code; and a processor coupled with the memory. Wherein the program code stored by the memory comprises instructions which, when executed by the processor, cause the sixth communication device to perform the method of the second aspect or any one of the possible embodiments of the second aspect.
The sixth communication device may further include a communication interface, and if the sixth communication device is a terminal device, the communication interface may be a transceiver in the terminal device, for example, a radio frequency transceiver component in the terminal device, or if the sixth communication device is a chip disposed in the terminal device, the communication interface may be an input/output interface of the chip, for example, an input/output pin, and the like.
A ninth aspect provides a first communication system, which may include the first communication apparatus of the third aspect, the third communication apparatus of the fifth aspect, or the fifth communication apparatus of the seventh aspect, and include the second communication apparatus of the fourth aspect, the fourth communication apparatus of the sixth aspect, or the sixth communication apparatus of the eighth aspect.
A tenth aspect provides a computer storage medium having stored thereon instructions that, when executed on a computer, cause the computer to perform the method of the first aspect or any one of the possible designs of the first aspect.
In an eleventh aspect, there is provided a computer storage medium having stored therein instructions, which, when run on a computer, cause the computer to perform the method as set forth in the second aspect or any one of the possible designs of the second aspect.
In a twelfth aspect, there is provided a computer program product comprising instructions stored thereon, which when run on a computer, cause the computer to perform the method of the first aspect or any one of the possible designs of the first aspect.
In a thirteenth aspect, there is provided a computer program product comprising instructions stored thereon, which when run on a computer, cause the computer to perform the method of the second aspect described above or any one of the possible designs of the second aspect.
In the embodiment of the application, when the traffic volume of the terminal device is relatively low, the network device may not need to schedule the terminal device to receive/transmit data in each DRX cycle, and if the network device does not schedule the terminal device in a certain DRX cycle, the network device may inform the terminal device through the first information in advance, so that the terminal device does not need to detect the candidate PDCCH in the DRX cycle, thereby reducing the power consumption of the terminal device.
Drawings
FIG. 1 is a schematic diagram of one implementation of a WUS;
fig. 2 is a schematic view of an application scenario according to an embodiment of the present application;
fig. 3 is a flowchart of an information sending and receiving method according to an embodiment of the present application;
fig. 4 is a schematic diagram of a communication apparatus capable of implementing functions of a network device according to an embodiment of the present application;
fig. 5 is a schematic diagram of a communication apparatus capable of implementing functions of a terminal device according to an embodiment of the present application;
fig. 6A to fig. 6B are two schematic diagrams of a communication device according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more apparent, the embodiments of the present application will be described in further detail with reference to the accompanying drawings.
Hereinafter, some terms in the embodiments of the present application are explained to facilitate understanding by those skilled in the art.
1) Terminal equipment, including devices that provide voice and/or data connectivity to a user, may include, for example, handheld devices with wireless connection capabilities or processing devices connected to wireless modems. The terminal device may communicate with a core network via a Radio Access Network (RAN), exchanging voice and/or data with the RAN. The terminal device may include a User Equipment (UE), a wireless terminal device, a mobile terminal device, a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile), a remote station (remote station), an Access Point (AP), a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), or a user equipment (user device), etc. For example, mobile phones (or so-called "cellular" phones), computers with mobile terminal equipment, portable, pocket, hand-held, computer-included or vehicle-mounted mobile devices, smart wearable devices, and the like may be included. Examples of such devices include Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), and the like. Also included are constrained devices, such as devices that consume less power, or devices that have limited storage capabilities, or devices that have limited computing capabilities, etc. Including, for example, bar codes, radio frequency identification (radio frequency identification,
RFID), sensors, Global Positioning System (GPS), laser scanners, and other information sensing devices.
By way of example and not limitation, in the embodiments of the present application, the terminal device may also be a wearable device. Wearable equipment can also be called wearable intelligent equipment, is the general term of applying wearable technique to carry out intelligent design, develop the equipment that can wear to daily wearing, like glasses, gloves, wrist-watch, dress and shoes etc.. A wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. The wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction and cloud interaction. The generalized wearable smart device includes full functionality, large size, and can implement full or partial functionality independent of a smart phone, such as: smart watches or smart glasses and the like, and only focus on a certain type of application function, and need to be used in cooperation with other devices such as smart phones, such as various smart bracelets, smart helmets, smart jewelry and the like for physical sign monitoring.
2) A network device, e.g., including a base station (e.g., access point), may refer to a device in an access network that communicates over the air, through one or more cells, with wireless terminal devices. The network device may be configured to interconvert received air frames and Internet Protocol (IP) packets as a router between the terminal device and the rest of the access network, which may include an IP network. The network device may also coordinate attribute management for the air interface. For example, the network device may include an evolved Node B (NodeB or eNB or e-NodeB) in a Long Term Evolution (LTE) system or an evolved LTE system (LTE-Advanced, LTE-a), or may also include a next generation Node B (gNB) in a 5G New Radio (NR) system, or may also include a Centralized Unit (CU) and a Distributed Unit (DU) in a cloud access network (cloud ran) system, which is not limited in the embodiments of the present application.
3) And DRX, under the DRX mechanism, the terminal equipment stops monitoring the PDCCH for a period of time. DRX is divided into two categories: IDLE (IDLE) DRX and C-DRX.
Because the terminal device is in the IDLE state and has no Radio Resource Control (RRC) connection and dedicated resources of the terminal device, the terminal device mainly monitors a call channel and a broadcast channel in the IDLE DRX, and the discontinuous reception can be achieved as long as a fixed period is defined. If the terminal device wants to monitor the user data channel, it needs to enter the connection state from the idle state first.
C-DRX, that is, DRX in which the terminal device is in an RRC connected (RRC connected) state, where the terminal device periodically performs blind detection on candidate PDCCHs, and during the blind detection, the terminal device generally performs detection according to a configuration of energy consumption of the highest detection candidate PDCCH, and if the PDCCH is not detected within a period of time, the terminal device enters an OFF state, and in the OFF state, the terminal device stops detecting the candidate PDCCHs, so as to reduce energy consumption of the terminal device for detecting the candidate PDCCHs.
4) The first state of the end device includes, but is not limited to, an awake state or a sleep state of the end device. The dormant state of the terminal device may mean that the PDCCH candidate detected by the terminal device is only used for scheduling paging messages (paging); the awake state of the terminal device may refer to candidate PDCCHs detected by the terminal device, including not only a candidate PDCCH for scheduling paging but also a candidate PDCCH for scheduling a Physical Downlink Shared Channel (PDSCH). The power consumption of the terminal device in the wake-up state is generally higher than the power consumption of the terminal device in the sleep state.
5) The terms "system" and "network" in the embodiments of the present application may be used interchangeably. The "plurality" means two or more, and in view of this, the "plurality" may also be understood as "at least two", for example, two, three or more, in the embodiments of the present application. "at least one" is to be understood as meaning one or more, for example one, two or more. For example, including at least one means including one, two, or more, and does not limit which ones are included, for example, including at least one of A, B and C, then including may be A, B, C, A and B, A and C, B and C, or a and B and C. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" generally indicates that the preceding and following related objects are in an "or" relationship, unless otherwise specified.
Unless stated to the contrary, the embodiments of the present application refer to the ordinal numbers "first", "second", etc., for distinguishing a plurality of objects, and do not limit the sequence, timing, priority, or importance of the plurality of objects.
First, technical features related to embodiments of the present application are described.
Currently, under C-DRX, a terminal device may periodically perform blind detection on candidate PDCCHs, and if a PDCCH is not detected within a period of time, the terminal device may enter an OFF state (OFF), where the terminal device stops detecting the candidate PDCCHs, so as to reduce energy consumption for detecting the candidate PDCCHs by the terminal device.
This method can reduce the energy consumption of the terminal equipment to some extent, but in an actual operation state, the method still has a certain redundancy overhead. For example, when the traffic of the terminal device is relatively low, the terminal device is not scheduled to receive/transmit data in each DRX cycle, but the terminal device needs to detect the PDCCH candidate in a period of time of each DRX cycle, which brings unnecessary power consumption to the terminal device.
To further reduce this part of the overhead, in NR systems, considering the introduction of a wake-up signal (WUS), a network device may transmit a WUS in each DRX cycle, so that a terminal device determines by receiving the WUS whether the terminal device needs to continue detecting a PDCCH candidate in the next DRX cycle. For WUS, it may be a signal dedicated to the terminal device or a signal based on the terminal device group, and considering that the system overhead of WUS is reduced on the network device side, the WUS of the terminal device group is more competitive.
In the research of the 5G system, the WUS of a typical terminal device group can indicate the states of N terminal devices through N bits (bit), wherein 1 bit corresponds to 1 terminal device, as shown in fig. 1. In fig. 1, bit 0 and bit 3 set "1" indicating that terminal device 0 and terminal device 3 are woken up, and bit 1 and bit 2 set "0" indicating that terminal device 1 and terminal device 2 are not woken up.
The method is that the bits bearing WUS are corresponding to the terminal equipment one by one, and 1 bit is corresponding to 1 terminal equipment. If the number of terminal devices that the network needs to support is large, the number of bits for carrying each WUS is too large, and the overhead is large, or if the number of terminal devices that the network needs to support is large, the number of groups of required terminal device groups is too large, which causes the network device to need to transmit more WUS, and further causes the overhead of system resources to increase.
In view of this, in the embodiment of the present application, the first information may indicate one of X states of the P terminal devices, where each of the X states is used to indicate that one or more terminal devices of the P terminal devices are in the first state, and it is understood that the states of the P terminal devices are collectively indicated by the first information, and it is not necessary to indicate different terminal devices by each bit included in the first information. By the unified indication mode, the bit number of the first information can be effectively reduced, and the overhead is saved.
The technical solution provided in the embodiment of the present application may be applied to a 5G system, or an LTE system, or may also be applied to a next generation mobile communication system or other similar communication systems, which is not limited specifically.
A network architecture applied in the embodiment of the present application is described below, please refer to fig. 2.
Fig. 2 includes a network device and a terminal device, and the terminal device is connected to one network device. Of course, the number of the terminal devices in fig. 2 is only an example, in an actual application, the network device may provide services for a plurality of terminal devices, and the network device may configure N configuration parameter sets for all or part of the terminal devices in the plurality of terminal devices.
The network device in fig. 2 is, for example, AN Access Network (AN) device, such as a base station. Wherein the access network devices correspond to different devices in different systems, e.g. in the fourth generation mobile communication technology (the 4)thgeneration, 4G) system may correspond to an eNB, and in a 5G system may correspond to an access network device in 5G, e.g., a gNB。
The technical scheme provided by the embodiment of the application is described below with reference to the accompanying drawings.
An embodiment of the present application provides a method for sending and receiving information, please refer to fig. 3, which is a flowchart of the method. In the following description, the method is applied to the network architecture shown in fig. 2 as an example. In addition, the method may be performed by two communication apparatuses, for example, a first communication apparatus and a second communication apparatus, where the first communication apparatus may be a network device or a communication apparatus capable of supporting the network device to implement the functions required by the method, or the first communication apparatus may be a terminal device or a communication apparatus capable of supporting the terminal device to implement the functions required by the method, and may of course be other communication apparatuses such as a system on chip. The same applies to the second communication apparatus, the second communication apparatus may be a network device or a communication apparatus capable of supporting the network device to implement the functions required by the method, or the second communication apparatus may be a terminal device or a communication apparatus capable of supporting the terminal device to implement the functions required by the method, and of course, other communication apparatuses such as a chip system may also be used. The implementation manners of the first communication device and the second communication device are not limited, for example, the first communication device may be a network device, the second communication device is a terminal device, or both the first communication device and the second communication device are network devices, or both the first communication device and the second communication device are terminal devices, or the first communication device is a network device, and the second communication device is a communication device capable of supporting the terminal device to implement the functions required by the method, and so on. The network device is, for example, a base station.
For convenience of introduction, in the following, the method is performed by a network device and a terminal device as an example, that is, the first communication apparatus is a network device and the second communication apparatus is a terminal device as an example. Since the present embodiment is applied to the network architecture shown in fig. 2 as an example, the network device described below may be a network device in the network architecture shown in fig. 2, and the first terminal device described below may be a terminal device in the network architecture shown in fig. 2. As for the P terminal devices described below, the terminal devices served by the network device in the network architecture shown in fig. 2 are also the terminal devices, only one terminal device is shown in fig. 2 for illustration, and other terminal devices in the P terminal devices are not shown.
S31, the network device generates first information, the first information is used for indicating one of X states of P terminal devices, each state of the X states is used for indicating that one or more terminal devices in the P terminal devices are in the first state, or each state of the X states is used for indicating that 0 or more terminal devices in the P terminal devices are in the first state, and the P terminal devices belong to M1A group of terminal devices, M1Each terminal equipment group in the terminal equipment groups at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure BDA0001804029210000091
each of the X states is used to indicate that one or more of the P terminal devices are in the first state, and it can also be understood that each of the X states is used to indicate that one or more of the P terminal devices are in the first state and indicate that the remaining terminal devices, except for the one or more terminal devices, of the P terminal devices are not in the first state.
Each state of the X states is used to indicate that 0 terminal device or one or more terminal devices of the P terminal devices are in the first state, which can be understood as: each state in the X states is used for indicating that all the P terminal devices are not in the first state, or used for indicating that one or more terminal devices in the P terminal devices are in the first state. Each of the X states is used to indicate that one or more of the P terminal devices are in the first state, or each of the X states is used to indicate that 0 of the P terminal devices and one or more of the P terminal devices are in the first state, and the difference between the two indication manners is whether one state is included in the X states, which is called as a third state, for example, and the third state is used to indicate that all of the P terminal devices are not in the first state. If the third state is included in the X states, each of the X states is used for indicating 0 terminal device and one or more terminal devices in the P terminal devices to be in the first state, and if the third state is not included in the X states, each of the X states is used for indicating one or more terminal devices in the P terminal devices to be in the first state.
The first state may be an awake state or a sleep state. For example, when the first state is the awake state, each of the X states is used to indicate 0 of the P terminal devices, and one or more terminal devices are in the first state, which means that: each state in the X states is used to indicate that all of the P terminal devices are not in the awake state, or to indicate that one or more terminal devices in the P terminal devices are in the awake state. The terminal device is not in the awake state, and may also be considered to be in the sleep state (or the terminal device may also be in another non-awake state). In the following description, the first state is mainly taken as an example of the awake state.
The first information is, for example, WUS, or may be other information, for example, information specific to the scheme provided in the embodiment of the present application, as long as the first information can indicate the state of one or more terminal apparatuses among the P terminal apparatuses.
For example, after the terminal device accesses the network device, the network device may group the terminal devices. When the network device groups the terminal devices, a random allocation mode may be adopted, or allocation may be performed according to identity identification numbers (IDs) of the terminal devices, for example, the IDs of 0 to 3 are divided into one group, the IDs of 4 to 6 are divided into a second group, and so on, or some fields of the IDs of the terminal devices may be left over, and the remainder is divided into one group, or the network device may directly configure the terminal devices with groups through high layer signaling or physical layer signaling, or may perform grouping according to other factors, and the specific grouping basis is not limited. In addition, the network device may further set a serial number for the terminal device group, and the network device may notify the terminal device of the serial number of the terminal device group to which each of the P terminal devices belongs, so that each of the P terminal devices may know to which terminal device group the terminal device belongs. For example, the network device may notify the terminal device of the sequence number of the terminal device group to which each terminal device in the P terminal devices belongs through a higher layer signaling or a physical layer signaling, where the higher layer signaling is, for example, a Radio Resource Control (RRC) signaling or the like, and the physical layer signaling is, for example, Downlink Control Information (DCI) or the like.
For example, if P terminal devices access the network device, the network device may group the P terminal devices, for example, divide the P terminal devices into M1A group of terminal devices, whereby P terminal devices can belong to M1Individual terminal equipment group, M1The number of terminal devices included in each terminal device group in the terminal device group is at most K1I.e. less than or equal to K1. Wherein M is1And K1The number of network devices may be determined. As a special case, if M1The number of terminal devices included in each terminal device group in the terminal device groups is the same and is 1, and then P ═ M1Then, it can be considered that the network device is still grouping P terminal devices, and only M is divided1The number of terminal devices included in each terminal device group in the terminal device groups is 1, or it can be considered that the network device does not group P terminal devices, that is, there is no concept of "terminal device group", at this time, X is<2P。
M1The serial number of each terminal equipment group is 1-M1The network device may notify the sequence number of the terminal device group to which the P terminal devices belong to the terminal device through a high layer signaling or a physical layer signaling. M1In each terminal device group, the number of terminal devices included in different terminal device groups may be the same or different.
In the first informationIn the first embodiment of (2), the first information may be carried by N bits, X<2N，M1>N, that is, if according to the prior art, then now that there are P terminal devices, the first information needs to be carried by at least P bits. However, in the embodiment of the present application, the first information only needs to be carried by N bits, X<2NOr M1>N is less than P, it can be seen that in the prior art, P bits are required to indicate, and the number X of states required to be indicated in this embodiment is less than M1The total number of all the state combinations of each terminal equipment group can indicate more states of the terminal equipment by fewer N bits, and the system overhead is effectively saved. Wherein the number of N may be specified by a protocol or determined by a network device.
The state of the indication terminal device in the embodiment of the present application refers to that the indication terminal device is in the first state or not in the first state.
For example, X1000, N10, P18, and P terminals are divided into M1Individual terminal equipment group, M1Each terminal device group in the terminal device groups includes the same number of terminal devices, for example, all terminal devices are 1, that is, M118. Or, if P ═ M1It can also be considered that the network device does not group P terminal devices 18. It can be seen that the status of 18 terminal devices can be indicated by 10 bits.
In a second embodiment of the first information, the first information may be carried by one candidate sequence of the X candidate sequences. That is, X candidate sequences are in a one-to-one correspondence relationship with X states, and the network device sends one of the candidate sequences to indicate that the state corresponding to the candidate sequence is indicated. In the prior art, the requirement is to pass through 2PAnd only X candidate sequence indications are needed in the embodiment of the application, so that the system overhead is saved, and the complexity of the network equipment in detecting the candidate sequences is reduced.
For example, X is 1000, i.e. there are 1000 candidate sequences, P is 18, P is the finalEnd devices are divided into M1Individual terminal equipment group, M1Each terminal device group in the terminal device groups includes the same number of terminal devices, for example, all terminal devices are 1, that is, M is118. Or, if P ═ M1It can also be considered that the network device does not group P terminal devices 18. It can be seen that the states of 18 terminal devices can be indicated by X candidate sequences, and only one candidate sequence needs to be transmitted at a time, so that the system overhead can be saved.
In a third embodiment of the first information, the first information may be carried by one scrambling information of the X scrambling information, for example, a scrambling sequence, or other forms of scrambling information. That is, X pieces of scrambling information are in a one-to-one correspondence relationship with X types of states, and the network device sends one piece of scrambling information to indicate that the state corresponding to the piece of scrambling information is indicated. In the prior art, the requirement is to pass through 2PThe scrambling information is indicated, and only X scrambling sequence indications are needed in the embodiment of the application, so that the system overhead is saved, and the complexity of the network equipment in detecting the scrambling information is reduced.
For example, X is 1000, i.e. there are 1000 scrambled information, P is 18, dividing P terminal equipments into M1Individual terminal equipment group, M1Each terminal device group in the terminal device groups includes the same number of terminal devices, for example, all terminal devices are 1, that is, M is118. Or, if P ═ M1It can also be considered that the network device does not group P terminal devices 18. It can be seen that the states of 18 terminal devices can be indicated by X pieces of scrambling information, and only one piece of scrambling information needs to be transmitted at a time, so that the system overhead can be saved.
Of course, the above is merely an example, and the first information is not limited to the above three embodiments.
Several embodiments of the first information are described above, and how the first information indicates that one or more of the P terminal devices are in the first state is described below.
As a first indication mode of the first information, Y states out of X statesCorresponds to M1Arbitrary N in a group of terminal devices1Each terminal equipment group is in a first state, or Y states of X states correspond to M1Arbitrary (M) in each terminal equipment group1-N1) Each terminal equipment group is in a first state, N1Is a positive integer, N1<M1And Y is less than or equal to X. Wherein one state indication M1N in a terminal equipment group1The individual terminal groups being in a first state and being considered to be indicative, M1In addition to the N in one terminal equipment group1Outside of a group of terminal devices (M)1-N1) The terminal equipment group is not in a first state; state indication M1(M) of a group of terminal devices1-N1) The individual terminal equipment groups are in the first state and can be regarded as indicating at the same time, M1In addition to this (M) in a terminal equipment group1-N1) N outside of a group of terminal devices1The individual terminal device groups are not in the first state.
That is, the X states include Y states, and each of the Y states indicates M1N in a terminal equipment group1Each terminal equipment group is in a first state, and N indicated by different states in the Y states1At least one of the terminal device groups is different, which means that there is no duplicate state in the Y states, and M can be indicated by the Y states1Arbitrary N in a terminal equipment group1Each terminal equipment group is in a first state, or Y states and M1N in a terminal equipment group1The terminal equipment groups are in one-to-one correspondence. For example, M1＝3，M1Each terminal equipment group is respectively a terminal equipment group 1, a terminal equipment group 2 and a terminal equipment group 3, N12, then M1N in a terminal equipment group1There are 3 cases for each terminal device group, terminal device group 1 and terminal device group 2, terminal device group 1 and terminal device group 3, and terminal device group 2 and terminal device group 3, then Y ═ 3, for example, Y1, Y2, and Y3, where Y1 is used to indicate terminal device group 1 and terminal deviceThe group 2 is in the first state, Y2 is used to indicate that the group 1 and the group 3 are in the first state, and Y3 is used to indicate that the group 2 and the group 3 are in the first state, it can be seen that the contents of the Y state indications are all different, that is, there is no duplicate state in the Y states, and the Y states are M states and M states1N in a terminal equipment group1The terminal device groups are in one-to-one correspondence.
It is understood that each of the Y states is a state indicating P terminal devices, e.g., each of the Y states indicates M1N in a terminal equipment group1The individual terminal groups being in a first state and being considered to be indicative, M1In addition to the N in one terminal equipment group1Outside of a group of terminal devices (M)1-N1) The terminal device group is not in the first state. Wherein N is1The value of (a) may be specified by a protocol or determined by the network device itself. The value of Y is only equal to N1And M1Related to, or consisting of N1And M1It is determined whether, for example,
Figure BDA0001804029210000121
it can thus also be seen that M can be indicated by Y states1Arbitrary N in a terminal equipment group1The group of terminal devices is in a first state. Herein, "C" denotes a combined calculation formula, for example,
Figure BDA0001804029210000122
or, if P ═ M1It can also be considered that the network device does not group P terminal devices, and it can be understood that Y states are included in the X states, and each of the Y states indicates N of the P terminal devices1The terminal devices are in the first state, or each of the Y states is a state indicating P terminal devices, for example, each of the Y states indicates N of the P terminal devices1The terminal equipment is in the first state and can be regarded as indicated, and the P terminal equipments except the N1Outside of a terminal equipment group (P-N)1) The terminal device is not in the first state.
In this embodiment of the present application, a state indicates that one terminal device group is in the first state, that is, indicates that all terminal devices included in the terminal device group are in the first state, which is not described in detail herein.
For example, P is 18, and P terminal devices are divided into 18 terminal device groups, that is, M118, e.g. M1The number of the terminal devices included in each terminal device group in the terminal device groups is 1, and in addition, N is1X is 1000 and 3. That is, the 1000 states include Y states, and the Y states can indicate that any 3 terminal device groups among the 18 terminal device groups are in the first state. Or, because P ═ M1It can also be considered that the network device does not group P terminal devices, and therefore it can also be understood that Y states can indicate that any 3 terminal devices among 18 terminal devices are in the first state. In a clear view of the above, it is known that,
Figure BDA0001804029210000131
if the first information is carried by N bits, for example, N is 10, that is, the status of 18 terminals can be indicated by 10 bits, which effectively saves system overhead compared to the scheme of indicating 18 terminals by 18 bits. And M1The number of terminal devices included in each terminal device group in the terminal device group is at most K1And N is1There may also be a limit to the value of (A), e.g. N1The value of (2) is not too large, so that when the number of the terminal devices which need to be awakened simultaneously is small, the false alarm probability of the terminal devices for the first information is reduced. A so-called false alarm is a condition in which a terminal device does not need to be woken up, but is woken up.
Note that M is indicated1Arbitrary N in a terminal equipment group1The terminal equipment group is in the first state and indicates M1Arbitrary (M) in each terminal device group1-N1) The terminal equipment group is in the secondThe number of states required is equal, i.e.,
Figure BDA0001804029210000132
thus, by Y states, M can be indicated1Arbitrary N in a terminal equipment group1The individual terminal equipment groups are in the first state, or M can be indicated1Arbitrary (M) in each terminal device group1-N1) The terminal equipment group is in a first state.
For example, P is 18, and P terminal devices are divided into 18 terminal device groups, that is, M118, e.g. M1The number of the terminal devices included in each terminal device group in the terminal device groups is 1, and in addition, N is115, and 1000. That is, the 1000 states include Y states, and the Y states can indicate that any 15 terminal device groups of the 18 terminal device groups are in the first state. Or, because P ═ M1It can also be considered that the network device does not group P terminal devices, and therefore it can also be understood that Y states can indicate that any 15 terminal devices among 18 terminal devices are in the first state. In a clear view of the above, it is known that,
Figure BDA0001804029210000133
if the first information is carried by N bits, for example, N is 10, that is, the status of 18 terminal devices can be indicated by 10 bits, which effectively saves system overhead compared to a scheme in which 18 terminal devices are indicated by 18 bits.
As to whether Y states indicate M1Arbitrary N in a terminal equipment group1Whether the individual terminal equipment group is in the first state or indicates M1Arbitrary (M) in each terminal device group1-N1) The group of terminal devices is in the first state, which may be specified by a protocol or determined by the network device, and the network device may notify the terminal devices. For example, the network device may send a first signaling to the terminal device, the first signaling is used for indicating, and the X states are used for indicating M1N in a terminal equipment group1The terminal equipment group is in the first state or used for indication, and the X states are used for indicating M1(M) of a group of terminal devices1-N1) The terminal equipment group is in the first state, or the first signaling is used for indicating, and the Y states are used for indicating M1N in a terminal equipment group1The terminal equipment groups are in the first state or used for indication, and the Y states are used for indicating M1(M) of a group of terminal devices1-N1) The group of terminal devices is in a first state. The first signaling is, for example, higher layer signaling or physical layer signaling.
In addition to Y states, X states may include other states, i.e., X-Y states>0. In particular, if the value of X-Y is larger, it indicates that there are more remaining states in the X states in addition to the Y states. For example, with reference to the foregoing example, when X is 1000, and Y is 816, X-Y is 184, and the number of remaining states is large. In order to avoid the waste of these states, another embodiment of the present application proposes that H states may be further included in the X states, and the H states correspond to M states1Arbitrary N in a terminal equipment group2Each terminal equipment group is in a first state, or M is corresponding to H states1Arbitrary (M) in each terminal device group1-N2) Each terminal equipment group is in a first state, N2<M1，N2Is not equal to N1And H + Y is less than or equal to X. Wherein N is2May be less than N1Or alternatively, it may be greater than N1. Wherein one state indication M1N in a terminal equipment group2The individual terminal groups being in a first state and being considered to be indicative, M1In addition to the N in one terminal equipment group2Outside of a group of terminal devices (M)1-N2) The terminal equipment group is not in a first state; state indication M1(M) of a group of terminal devices1-N2) The individual terminal groups being in a first state and being considered to be indicative, M1In addition to this (M) in a terminal equipment group1-N2) N outside of a group of terminal devices2The individual terminal device groups are not in the first state.
That is, the X states include H states, each of which indicates M1N in a terminal equipment group2The terminal equipment group is in the first state, and N indicated by different states in the H states2At least one terminal equipment group in each terminal equipment group is different, which can be understood as that there is no repeated state in H states, and M can be indicated by H states1Arbitrary N in a terminal equipment group2Each terminal equipment group is in a first state, or H states and M1N in a terminal equipment group2The terminal equipment groups are in one-to-one correspondence. For a specific example, reference may be made to the foregoing examples for the Y states, which are similar and not described herein again. It is understood that each of the H states is a state indicating P terminal devices, e.g., each of the H states indicates M1N in a terminal equipment group2The individual terminal equipment groups are in the first state and can be regarded as indicating at the same time, M1In addition to the N in one terminal equipment group2Outside of a group of terminal devices (M)1-N2) The individual terminal device groups are not in the first state. Wherein N is2The value of (a) may be specified by a protocol or determined by the network device itself. H only takes on value of N2And M1Related to, or consisting of N2And M1It is determined whether, for example,
Figure BDA0001804029210000141
for example, P18, the network device divides P terminal devices into 18 terminal device groups, i.e. M118, e.g. M1The number of terminal devices included in each terminal device group is 1, and in addition, N is1＝3，N22, and 1000. That is, the 1000 states include Y states, and the Y states can indicate that any 3 terminal device groups among the 18 terminal device groups are in the first state, and in addition, the 1000 states also include H states, and the H states can indicate that any 3 terminal device groups among the 18 terminal device groups are in the first stateAny two terminal device groups are in the first state, so that not only 3 terminal device groups but also 2 terminal device groups can be indicated to be in the first state through X states. In a clear view of the above, it is known that,
Figure BDA0001804029210000142
then in this example, H + Y<And (4) X. If the first information is carried by N bits, for example, N is 10, that is, the status of 18 terminals can be indicated by 10 bits, which effectively saves system overhead compared to a scheme in which 18 terminals are indicated by 18 bits. And 3 arbitrary terminal equipment groups in 18 terminal equipment groups can be indicated to be in the first state, 2 arbitrary terminal equipment groups in 18 terminal equipment groups can also be indicated to be in the first state, and the method is flexible and also effectively utilizes X states.
Note that M is indicated1Arbitrary N in a terminal equipment group2The terminal equipment group is in the first state and indicates M1Arbitrary (M) in each terminal device group1-N2) The terminal device groups are in a first state, the number of states required being equal, that is,
Figure BDA0001804029210000151
thus, by H states, M can be indicated1Arbitrary N in a terminal equipment group2The individual terminal equipment groups are in the first state, or M can be indicated1Arbitrary (M) in each terminal device group1-N2) The group of terminal devices is in a first state.
For example, P is 18, and P terminal devices are divided into 18 terminal device groups, that is, M118, e.g. M1The number of the terminal devices included in each terminal device group in the terminal device groups is 1, and in addition, N is22, and 1000. That is, the 1000 states include H states, and the H states can indicate that any 16 terminal device groups among the 18 terminal device groups are in the first state. In a clear view of the above, it is known that,
Figure BDA0001804029210000152
if the first information is carried by N bits, for example, N is 10, that is, the status of 18 terminals can be indicated by 10 bits, which effectively saves system overhead compared to a scheme in which 18 terminals are indicated by 18 bits.
As to whether the H states indicate M1Arbitrary N in a terminal equipment group2Whether the individual terminal equipment group is in the first state or indicates M1Arbitrary (M) in each terminal device group1-N2) The group of terminal devices is in the first state, which may be specified by a protocol or determined by the network device, and the network device may notify the terminal devices. For example, the network device may send a second signaling to the terminal device, the second signaling is used for indicating, and the X states are used for indicating M1N in a terminal equipment group2The terminal equipment group is in the first state or used for indication, and the X states are used for indicating M1(M) of a group of terminal devices1-N2) The terminal equipment group is in the first state, or the second signaling is used for indicating, and the H states are used for indicating M1N in a terminal equipment group2The terminal equipment group is in the first state or used for indication, and the H states are used for indicating M1(M) of a group of terminal devices1-N2) The group of terminal devices is in a first state. The second signaling is, for example, higher layer signaling or physical layer signaling. The first signaling and the second signaling may be the same signaling or may be different signaling, and if the first signaling and the second signaling are different signaling, the types of the first signaling and the second signaling may be the same, for example, both are high layer signaling, or the types may be different, for example, the first signaling is high layer signaling and the second signaling is physical layer signaling. Moreover, if the first signaling and the second signaling are different signaling, the network device may send the first signaling and the second signaling at the same time, or send the first signaling first and then send the second signaling, or send the second signaling first and then send the first signaling, which is not limited specifically.
Of course, if the X states include Y states and H states, there may be remaining states, that is, the value of X-Y-H may still be greater than 0, and then the remaining states may be used continuously, for example, the remaining J states may correspond to M1Arbitrary N in a terminal equipment group4Each terminal equipment group is in a first state, or J states correspond to M1Arbitrary (M) in each terminal device group1-N4) Each terminal equipment group is in a first state, N4<M1，N4Is not equal to N1Is also not equal to N2And H + Y + J is less than or equal to X. Wherein N is4May be less than N1Or alternatively, it may be greater than N1In the same way, N4May be less than N2Or alternatively, it may be greater than N2。
That is, the X states include J states, each of which indicates M1N in a terminal equipment group4The terminal equipment group is in the first state, and N indicated by different states in the J states4At least one of the terminal device groups is different, which means that there is no duplicate state in the J states, and M can be indicated by the J states1Arbitrary N in a terminal equipment group4Each terminal equipment group is in a first state, or J states and M1N in a terminal equipment group4The terminal device groups are in one-to-one correspondence. For specific examples, reference may be made to the foregoing examples for the Y states, which are similar and not repeated herein. It is understood that each of the J states is a state indicating P terminal devices, e.g., each of the J states indicates M1N in a terminal equipment group4The individual terminal groups being in a first state and being considered to be indicative, M1In addition to the N in one terminal equipment group4Outside of a group of terminal devices (M)1-N4) The individual terminal device groups are not in the first state. Wherein N is4The value of (a) may be specified by a protocol or determined by the network device itself. J only takes on the value of N4And M1Related to, or consisting of N4And M1It is determined whether, for example,
Figure BDA0001804029210000161
in particular, for the description of J states, reference may be made to the description of H states or Y states, and the implementation is similar.
If there are remaining states in the X states in addition to the Y states, the H states, and the J states, then M may be indicated continuously using the remaining states1One or more of the terminal device groups are in a first state. That is, in the embodiment of the present application, X states may correspond to only M1An indication granularity for a group of terminal devices, e.g. only M may be indicated1Arbitrary N in a terminal equipment group1The terminal equipment group is in the first state, or it can correspond to M1At least two indication granularities for a group of terminal devices, e.g. both indication M and1arbitrary N in a terminal equipment group1The terminal equipment group is in the first state and also indicates M1Arbitrary N in a terminal equipment group2Each terminal equipment group is in the first state, so that indication of different granularities can be realized through X states, and the X states can be fully utilized.
As introduced above, X states may include other states in addition to Y states, i.e., X-Y>0, in the foregoing solution, in order to avoid the waste of these states, the embodiment of the present application proposes that the remaining states of the X states may further continue to indicate M according to other indication granularities1The states of the terminal equipment groups, e.g. X states, also include H states, which correspond to M1Arbitrary N in a terminal equipment group2The terminal device group is in a first state. In addition to this scheme, in the embodiment of the present application, it is further provided that the remaining states of the X states except the Y states may indicate the states of the P terminal devices according to other indication granularities, which is described below.
For exampleExcept that P terminal equipments can be divided into M1Besides the terminal device group, the P terminal devices may be grouped again in another way, for example, the P terminal devices may be divided into M1In addition to individual groups of terminal devices, it can be divided into M2Individual terminal equipment group, M2Each terminal equipment group in the terminal equipment group at most comprises K2Each terminal device, Z states of X states correspond to M2Arbitrary N in a terminal equipment group3The terminal equipment group is in the first state, M2Is not equal to M1，N3<M2，K2>K1And H + Z is less than or equal to X. The network equipment divides the terminal equipment into M1When each terminal device group is in the group, the terminal devices may be randomly allocated, or may be allocated according to the IDs of the terminal devices, or may be left over according to some fields of the IDs of the terminal devices, and the remainder is divided into a group, or the network device may directly configure and group the terminal devices through a high layer signaling or a physical layer signaling, or may also group the terminal devices according to other factors, and similarly, the network device may divide the terminal devices into M groups2When each terminal device group is in the M group, the terminal devices can be randomly distributed, or can be distributed according to the ID of the terminal device, or can be grouped according to other factors, and the network device is divided into M groups1Individual terminal equipment group and division M2The division criteria may be the same for each group of terminal devices, e.g. all assigned according to the ID of the terminal device, or the division criteria may be different, e.g. in the division M1When each terminal equipment group is allocated according to the ID of the terminal equipment, M is divided2The terminal device groups are randomly allocated, and the like, and are not limited specifically.
For example, if P terminal devices access the network device, the network device may group the P terminal devices, for example, divide the P terminal devices into M1A group of terminal devices, whereby P terminal devices can belong to M1Individual terminal equipment group, M1Number of terminal devices included in each of terminal device groupsIn an amount less than or equal to K1. In addition, P terminal devices can be divided into M2A group of terminal devices, whereby P terminal devices may also belong to M2Individual terminal equipment group, M1The number of terminal devices included in each of the terminal device groups is less than or equal to K2。M2Is not equal to M1E.g. M2>M1Or M is2<M1Herein mainly denoted by M2<M1For example. For example, M2May be M1Can be understood to mean that1Can be covered with M2Integer and M1Is not equal to M2. For example, M118, then 1, 2, 3, 6, 9 are all factors of 18, but 18 is not a factor of 18. Let M2Is M1The factors of (3) may make grouping more uniform, if the terminal device group includes a larger number of terminal devices and some terminal device groups include a smaller number of terminal devices during grouping, the state of the entire terminal device group is indicated by the first information, if the terminal device group includes an excessive number of terminal devices, the terminal device group is indicated in the first state by the first information, and some terminal devices in the terminal device group may not actually be in the first state, which may result in a higher false alarm rate, and if M is a group including a larger number of terminal devices, the terminal device group may actually be in the first state, which may result in a higher false alarm rate2Is M1The grouping is made more uniform, which helps to reduce the false alarm rate. Or, M2Or may not be M1Factor of (e.g. M)1＝18，M2And may be 5, etc., and the concrete is not limited. Wherein M is1、K1、M2And K2The number of network devices may be determined. M1The serial number of each terminal equipment group is 1-M1， M2The serial number of each terminal equipment group is 1-M2The network device may send the M to which the P terminal devices belong through high-layer signaling or physical layer signaling1Serial number of terminal equipment group and M to which P terminal equipments belong2The serial numbers of the terminal equipment groups are all informed to the terminal equipment, orThe terminal device and the network device can also determine M to which the P terminal devices belong through a predefined rule2Serial number of each terminal device group. M2In each terminal device group, the number of terminal devices included in different terminal device groups may be the same or different.
That is, the X states include Z states in addition to the Y states, and each of the Z states indicates M2N in a terminal equipment group3The terminal equipment group is in the first state, and N indicated by different states in the Z states3At least one of the terminal device groups is different, which means that there is no duplicate status in the Z statuses, and M can be indicated by the Z statuses2Arbitrary N in a terminal equipment group3Each terminal equipment group is in a first state, or Z states and M2N in a terminal equipment group3The terminal device groups are in one-to-one correspondence. For a specific example, reference may be made to the foregoing examples for the Y states, which are similar and not described herein again. It is understood that each of the Z states is a state indicating P terminal devices, e.g., each of the Z states indicates M2N in a terminal equipment group3The individual terminal equipment groups are in the first state, which may also be considered as indicating, M2In addition to the N in one terminal equipment group3Outside of a group of terminal devices (M)2-N3) The terminal device groups are not in the first state. Wherein N is3The value of (a) may be specified by a protocol or determined by the network device itself. Z takes on values only equal to N3And M2Related to, or consisting of N3And M2It is determined whether, for example,
Figure BDA0001804029210000181
for example, P is 18, and P terminal devices are divided into 18 terminal device groups, that is, M118, e.g. M1The number of the terminal equipment included in each terminal equipment group is 1, N12, and 1000. In addition, P terminal equipments are divided into 6 terminal equipment groups, that is, M26. E.g. M2The number of the terminal devices included in each terminal device group in the terminal device groups is 3, N33. That is, the 1000 states include Y states, and the Y states can indicate that any 3 terminal device groups in the 18 terminal device groups are in the first state, and in addition, the 1000 states also include Z states, and the Z states can indicate that any 3 terminal device groups in the 6 terminal device groups are in the first state, so that it is possible to indicate that any 3 terminal device groups in the 18 terminal device groups are in the first state and also indicate that any 3 terminal device groups in the 6 terminal device groups are in the first state through the X states. In a clear view of the above, it is known that,
Figure BDA0001804029210000182
then in this example, Y + Z<And (4) X. If the first information is carried by N bits, for example, N is 10, that is, the status of 18 terminal devices can be indicated by 10 bits, which effectively saves system overhead compared to the scheme of indicating 18 terminal devices by 18 bits. And 3 arbitrary terminal equipment groups in 18 terminal equipment groups can be instructed to be in the first state, also can instruct 3 arbitrary terminal equipment groups in 6 terminal equipment groups to be in the first state, and is comparatively flexible, has also effectively utilized X kind of states.
In addition, P terminal devices are divided into M2After a group of terminal devices, the X states may simply indicate M2One granularity of groups of terminal devices, e.g. indicating only M2Arbitrary N in a terminal equipment group3The terminal equipment group is in the first state, or X states can also indicate M2Other granularities of groups of terminal devices, besides indicating M2Arbitrary N in a terminal equipment group3Besides the first state, the X states may also include Q states corresponding to M2Arbitrary N in a terminal equipment group5The terminal equipment group is in a first state, whereinN5Is not equal to N3，N5Is a positive integer, and Y + Z + Q is less than or equal to X.
That is, the X states include Q states, each of which indicates M2N in a terminal equipment group5Each terminal equipment group is in a first state, and N indicated by different states in Q states5At least one of the terminal device groups is different, which means that there is no repetitive state in the Q states, and M can be indicated by the Q states2Arbitrary N in a terminal equipment group5Each terminal equipment group is in a first state, or Q states and M2N in a terminal equipment group5The terminal equipment groups are in one-to-one correspondence. For a specific example, reference may be made to the foregoing examples for the Y states, which are similar and not described herein again. It is understood that each of the Q states is a state indicating P terminal devices, e.g., each of the Q states indicates M2N in a terminal equipment group5The individual terminal groups being in a first state and being considered to be indicative, M2In addition to the N in one terminal equipment group5Outside of a group of terminal devices (M)2-N5) The individual terminal device groups are not in the first state. Wherein N is5The value of (a) may be specified by a protocol or determined by the network device itself. Q only takes on the value of N5And M2Related to, or consisting of N5And M2It is determined whether, for example,
Figure BDA0001804029210000191
for example, P is 18, and P terminal devices are divided into 18 terminal device groups, that is, M118, e.g. M1The number of the terminal equipment included in each terminal equipment group is 1, N1X is 1000 and 3. In addition, P terminal equipments are divided into 6 terminal equipment groups, that is, M26. E.g. M2Each of the terminal device groups includes 3 terminal devices,N3＝3，N52. That is, the 1000 states include Y states, the Y states can indicate that any 3 terminal device groups in the 18 terminal device groups are in the first state, the 1000 states also include Z states, the Z states can indicate that any 3 terminal device groups in the 6 terminal device groups are in the first state, in addition, the 1000 states also include Q states, the Q states can indicate that any 2 terminal device groups in the 6 terminal device groups are in the first state, thereby, it can indicate that any 3 terminal device groups in the 18 terminal device groups are in the first state, also can indicate that any 3 terminal device groups in the 6 terminal device groups are in the first state, and can indicate that any 2 terminal device groups in the 6 terminal device groups are in the first state through the X states. In a clear view of the above, it is known that,
Figure BDA0001804029210000192
then in this example, Y + Z + Q<And (4) X. If the first information is carried by N bits, for example, N is 10, that is, the status of 18 terminals can be indicated by 10 bits, which effectively saves system overhead compared to a scheme in which 18 terminals are indicated by 18 bits. And 3 arbitrary terminal equipment groups in 18 terminal equipment groups can be instructed and also 2 arbitrary terminal equipment groups in 6 terminal equipment groups can be instructed and be in the first state to and can instruct 1 arbitrary terminal equipment group in 6 terminal equipment groups to be in the first state, comparatively nimble, also effectively utilized X kind of state.
In addition, in view of M2If the value of (a) is small, that is, the packet granularity is large, X states can be made to indicate all state combinations under the packet as much as possible. For example, M2Then X states may indicate M ═ 62Any 5 terminal equipment groups in the terminal equipment groups are in a first state and indicate M2Any 4 terminal equipment groups in the terminal equipment groups are in a first state and indicate M2Any 3 terminal equipment groups in the terminal equipment groups are in a first state and indicate M2Terminal equipment groupIs in a first state and indicates M2Any 1 terminal device group in the terminal device groups is in the first state.
Of course, specific X states may indicate M2How many state combinations of each terminal equipment group are combined with the value of X and M2The values of (a) and (b) are related, and the embodiments of the present application are not limited.
As described above, the X states may include Y states, H states (J states may also be included, and therefore, similar to the H states, only H states are illustrated here), and Z states (Q states may also be included, and therefore, similar to the Z states, only Z states are illustrated here). Y states and H states can coexist, namely X states can include Y states and H states, Z states and Y states can also coexist, namely X states can include Y states and Z states, in addition, Z states, Y states and H states can also coexist, namely X states can include Y states, H states and Z states, in this case, H + Y < X, Z + Y < X, H + Y + Z ≦ X.
In addition, in this embodiment of the application, the X states further include a second state and/or a third state, that is, the X states further include the second state or the third state, or the X states further include the second state and the third state. The second state is used for indicating that all the P terminal devices are in the first state, and the third state is used for indicating that all the P terminal devices are not in the first state. For example, if the first state is an awake state, then only the second state may be included in the X states, and not the third state, in which case each of the X states is used to indicate that one or more of the P terminal devices are in the first state. The P terminal devices are all in the dormant state, and may not be notified by the first information, for example, the network device indicates that the P terminal devices are all in the dormant state as long as the network device does not send the first information, and then the terminal device may determine that the terminal device is in the dormant state in the next DRX cycle as long as the terminal device does not detect the first information in one DRX cycle. Or, if the first state is the awake state, the X states may also include both the second state and the third state, in this case, each of the X states is used to indicate that 0, one or more terminal devices of the P terminal devices are in the first state, that is, all the P terminal devices are in the awake state or all the P terminal devices are in the sleep state, which may be notified through the first signaling.
For example, P is 18, and P terminal devices are divided into 18 terminal device groups, that is, M118, e.g. M1The number of terminal devices included in each terminal device group is 1, and in addition, P terminal devices are divided into 6 terminal device groups, that is, M26, in this example, M2Is M1The factor of (2). E.g. M2The number of the terminal equipment included in each terminal equipment group is 3, N1＝3，N2＝2，N3X is 1000 and 3. That is, the 1000 states include Y states, H states, and Z states, the Y states can indicate that any 3 terminal device groups of the 18 terminal device groups are in the first state, the H states can indicate that any 2 terminal device groups of the 18 terminal device groups are in the first state, and the Z states can indicate that any 3 terminal device groups of the 6 terminal device groups are in the first state. In a clear view of the above, it is known that,
Figure BDA0001804029210000201
Figure BDA0001804029210000202
then Y + Z + H is 989, which is less than 1000. Of course, in this example, there are more than 1000 states, so it is also considered to use the remaining states to further indicate, for example, the remaining states may also indicate that any 2 terminal device groups in the 6 terminal device groups are in the first state, and may also indicate that any 3 terminal device groups in the 6 terminal device groups are in the first state, and so on.
X＝1000，X<2NIf the first information is carried by N bits, for example, N is 10, that is, the status of 18 terminal devices can be indicated by 10 bits, which effectively saves system overhead compared to a scheme in which 18 terminal devices are indicated by 18 bits. And P terminal equipment can be grouped according to different modes, and the X states can indicate the states of the terminal equipment groups under different groups, so that the method is flexible and is favorable for fully utilizing the X states.
For another example, P ═ 18, 18 terminal devices are divided into 18 terminal device groups, i.e., M118, e.g. M1The number of terminal devices included in each terminal device group is 1, and in addition, 18 terminal devices are divided into 5 terminal device groups, that is, M25, in this example, M2Is not M1The factor of (2). E.g. M2In each terminal device group, the number of terminal devices included in 3 terminal device groups is 4, and the number of terminal devices included in 2 terminal device groups is 3. For example, the first information includes 10 bits, and X1023. X states can indicate that any 3 terminal device groups in 18 terminal device groups are in the first state, any 2 terminal device groups in 18 terminal device groups are in the first state, any 1 terminal device group in 18 terminal device groups is in the first state, any 4 terminal device groups in 5 terminal device groups are in the first state, any 3 terminal device groups in 5 terminal device groups are in the first state, any 2 terminal device groups in 5 terminal device groups are in the first state, and any 1 terminal device group in 5 terminal device groups is in the first state2All the states of the individual terminal devices are combined. In addition, the X states further comprise a second state and a third state. In particular, the method comprises the following steps of,
Figure RE-GDA0001985310500000211
Figure RE-GDA0001985310500000212
1019 is less than 1023, but the remaining states are less, making more efficient use of the X states.
For another example, P is 11, and 11 terminal devices are divided into 11 terminal device groups, i.e., M111, e.g. M1The number of the terminal devices included in each terminal device group in the terminal device groups is 1, and in addition, 11 terminal devices are divided into 4 terminal device groups, namely M24, in this example, M2Is not M1The factor of (2). E.g. M2In each terminal device group, the number of terminal devices included in 3 terminal device groups is 3, and the number of terminal devices included in 1 terminal device group is 2. For example, the first information includes 8 bits, and X ═ 254. The X state can indicate that any 3 terminal device groups in the 11 terminal device groups are in the first state, any 2 terminal device groups in the 11 terminal device groups are in the first state, any 1 terminal device group in the 11 terminal device groups is in the first state, any 3 terminal device groups in the 4 terminal device groups are in the first state, any 2 terminal device groups in the 4 terminal device groups are in the first state, and any 1 terminal device group in the 4 terminal device groups is in the first state, and it can be seen that in this example, the X state can indicate that M is in the first state2All the states of the individual terminal devices are combined. In addition, the X states further comprise a second state and a third state. In particular, the method comprises the following steps of,
Figure BDA0001804029210000212
247 is less than 254, but the remaining states are less numerous, making more efficient use of the X states.
S32, the network device sends the first information, and the first terminal device receives the first information from the network device.
The first information is a signal for the terminal device group, and after receiving the first information, the terminal devices in the P terminal devices may all have the same processing manner, so this embodiment only takes one terminal device in the P terminal devices as an example, that is, the first terminal device.
And S33, the first terminal device determines whether the first terminal device is in the first state or not in the first state in the next DRX period according to the first information.
The network device has previously sent information such as a serial number of a terminal device group to which each terminal device of the P terminal devices belongs to the terminal device, for example, for the first terminal device, the network device has already known the serial number of the terminal device group to which the first terminal device belongs according to notification of the network device, wherein if the network device groups the P terminal devices a plurality of times according to different grouping manners, for example, the grouping is M1Each terminal equipment group is divided into M2For each terminal equipment group, the network equipment will place the first terminal equipment in M1Serial number in terminal equipment group and in M2The serial numbers in the terminal device groups are all informed to the first terminal device. Moreover, if the first information is carried by N bits, the network device may configure in advance a corresponding relationship between the N bits and X states, for example, when the value of the N bits is a first value, the corresponding relationship corresponds to a state a in the X states, where the state a specifically corresponds to one or more terminal devices in the P terminal devices being in the first state, and one or more terminal devices herein may correspond to a grouping manner, for example, correspond to M terminal devices1Each terminal device group, i.e. when the value of N bits is the first value, it corresponds to state a of X states, state a corresponding to M1N in terminal equipment group1The terminal equipment group is in the first state, and in the corresponding relation between N bits and X states, M corresponding to the state A1N in a terminal equipment group1The serial numbers of the terminal device groups are also given, so that a first terminal device receiving the first information can determine whether the terminal device group to which the first terminal device belongs is in the first state or not in the first state in the next DRX period or periods according to the serial numbers of the terminal device groups to which the first terminal device belongs, and if the first information indicates that the terminal device group is in the first state in the next DRX period or periods, the first terminal device indicates that the first terminal device is in the position where the next DRX period or periods are neededIn the first state, if the first information indicates that the terminal device group is not in the first state for the next one or more DRX cycles, it indicates that the first terminal device is not in the first state for the next one or more DRX cycles.
It can be seen that the state of the terminal device group in the next DRX cycle or cycles can be indicated by one first information, and if the first information can indicate the state of the terminal device group in the next DRX cycles, the network device may not need to send the first information in each DRX cycle, thereby reducing the interaction process between the network device and the terminal device and saving transmission resources. Alternatively, the first information may also indicate the state of the terminal device group in the next DRX cycle, so that the indication is more flexible.
In the embodiment of the application, whether the terminal device is awakened or not is indicated by the first information of the terminal device group, on the basis of keeping the overhead of the first information of the terminal device group unchanged, under the condition that the number of terminal devices awakened simultaneously is small, the terminal devices can be awakened without false alarm basically, and when the number of the terminal devices to be awakened is large, the terminal devices can be ensured to be awakened in time at a small false alarm cost.
The following describes an apparatus for implementing the above method in the embodiment of the present application with reference to the drawings. Therefore, the above contents can be used in the following embodiments, and the repeated contents are not described again.
Fig. 4 shows a schematic structural diagram of a communication apparatus 400. The communication apparatus 400 may implement the functions of the network device mentioned above. The communication apparatus 400 may be the network device described above, or may be a chip provided in the network device described above. The communication device 400 may include a processor 401 and a transceiver 402. Processor 401 may be configured to perform, among other things, S31 in the embodiment illustrated in fig. 3, and/or other processes for supporting the techniques described herein. Transceiver 402 may be used to perform S32 in the embodiment shown in fig. 3, and/or other processes for supporting the techniques described herein.
E.g., processor 401, for generating a first message, said first messageThe message is used for indicating one of X states of P terminal devices, each of the X states is used for indicating that one or more terminal devices of the P terminal devices are in a first state, or each of the X states is used for indicating that 0 or more terminal devices of the P terminal devices are in the first state, the first state is an awakening state, and the P terminal devices belong to M1A group of terminal devices, M1Each terminal equipment group in the terminal equipment groups at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure BDA0001804029210000221
a transceiver 402 for transmitting the first information.
All relevant contents of each step related to the above method embodiment may be referred to the functional description of the corresponding functional module, and are not described herein again.
Fig. 5 shows a schematic structural diagram of a communication device 500. The communication device 500 may implement the functions of the first terminal equipment mentioned above. The communication device 500 may be the first terminal device described above, or may be a chip provided in the first terminal device described above. The communication device 500 may include a processor 501 and a transceiver 502. Processor 501 may be configured to perform, among other things, S33 in the embodiment illustrated in fig. 3, and/or other processes for supporting the techniques described herein. Transceiver 502 may be used to perform S32 in the embodiment shown in fig. 3, and/or other processes for supporting the techniques described herein.
For example, the transceiver 602 is configured to receive first information from a network device, where the first information is used to indicate one of X states of P terminal devices, where each of the X states is used to indicate that one or more terminal devices of the P terminal devices are in a first state, or each of the X states is used to indicate that 0 terminal device, one or more terminal devices of the P terminal devices are in a first state, and the first state is that 0 terminal device, one or more terminal devices of the P terminal devices are in a first stateAn awakening state, wherein the P terminal devices belong to M1A group of terminal devices, M1Each terminal equipment group in the terminal equipment groups at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure BDA0001804029210000231
a processor 601, configured to determine, according to the first information, that the first terminal device is in the first state or not in the first state in the next one or more discontinuous reception cycles.
All relevant contents of each step related to the above method embodiment may be referred to the functional description of the corresponding functional module, which is not described herein again.
In a simple embodiment, one skilled in the art may think that the communication apparatus 400 or the communication apparatus 500 can also be realized by the structure of the communication apparatus 600 as shown in fig. 6A. The communication device 600 may implement the functions of the terminal device or the network device mentioned above. The communication device 600 may include a processor 601.
Where the communications apparatus 600 is used to implement the functions of the network devices referred to above, the processor 601 may be configured to execute S31 in the embodiment shown in fig. 3, and/or other processes for supporting the techniques described herein; alternatively, when the communication apparatus 600 is used to implement the functions of the first terminal device referred to above, the processor 601 may be configured to execute S33 in the embodiment shown in fig. 3, and/or other processes for supporting the techniques described herein.
The communication device 600 may be implemented by a field-programmable gate array (FPGA), an application-specific integrated circuit (ASIC), a system on chip (SoC), a Central Processing Unit (CPU), a Network Processor (NP), a digital signal processing circuit (DSP), a Microcontroller (MCU), or a programmable controller (PLD) or other integrated chips, so that the communication device 600 may be disposed in the network device or the first terminal device of the embodiment of the present application, so that the network device or the first terminal device implements the method of the embodiment of the present application.
In an alternative implementation, the communication apparatus 600 may include a transceiver component for communicating with other devices. Where the communications apparatus 600 is used to implement the functionality of the network device or the first terminal device referred to above, the transceiving component may be used to perform S32 in the embodiment shown in fig. 3, and/or other processes for supporting the techniques described herein. For example, one of the transceiving components is a communication interface, if the communication apparatus 600 is a network device or a first terminal device, the communication interface may be a transceiver in the network device or the first terminal device, such as the transceiver 402 or the transceiver 502, and the transceiver is a radio frequency transceiving component in the network device or the first terminal device, or if the communication apparatus 600 is a chip disposed in the network device or the first terminal device, the communication interface may be an input/output interface of the chip, such as an input/output pin or the like.
In an alternative implementation, the communication device 600 may further include a memory 602, which may be referred to in fig. 6B, wherein the memory 602 is used for storing computer programs or instructions, and the processor 601 is used for decoding and executing the computer programs or instructions. It will be appreciated that these computer programs or instructions may comprise the functional programs of the network device or first terminal device described above. When the functional program of the network device is decoded and executed by the processor 601, the network device can be enabled to implement the functions of the network device in the method provided by the embodiment shown in fig. 3 in this application. When the functional program of the first terminal device is decoded and executed by the processor 601, the first terminal device can be enabled to implement the functions of the first terminal device in the method provided by the embodiment shown in fig. 3 in this application.
In another alternative implementation, the functional programs of these network devices or first terminal devices are stored in a memory external to the communication apparatus 600. When the functional program of the network device is decoded and executed by the processor 601, part or all of the content of the functional program of the network device is temporarily stored in the memory 602. When the functional program of the first terminal device is decoded and executed by the processor 601, a part or all of the content of the functional program of the first terminal device is temporarily stored in the memory 602.
In another alternative implementation, the functional programs of these network devices or first terminal devices are provided in a memory 602 stored inside the communication apparatus 600. When the memory 602 inside the communication apparatus 600 stores the function program of the network device, the communication apparatus 600 may be provided in the network device of the embodiment of the present application. When the memory 602 inside the communication apparatus 600 stores the function program of the first terminal device, the communication apparatus 600 may be provided in the first terminal device of the embodiment of the present application.
In yet another alternative implementation, part of the contents of the functional programs of these network devices are stored in a memory external to the communication apparatus 600, and the other part of the contents of the functional programs of these network devices are stored in a memory 602 internal to the communication apparatus 600. Alternatively, part of the contents of the function programs of these first terminal devices are stored in a memory external to the communication apparatus 600, and the other part of the contents of the function programs of these first terminal devices are stored in the memory 602 internal to the communication apparatus 600.
In the embodiment of the present application, the communication apparatus 500, the communication apparatus 600, and the communication apparatus 600 may be presented in a form of dividing each function module corresponding to each function, or may be presented in a form of dividing each function module in an integrated manner. As used herein, a "module" may refer to an ASIC, a processor and memory that execute one or more software or firmware programs, an integrated logic circuit, and/or other components that provide the described functionality.
In addition, the embodiment shown in fig. 4 provides a communication apparatus 400 which can be implemented in other forms. The communication device comprises, for example, a processing unit and a transceiving unit. For example, the processing unit may be implemented by the processor 401, and the transceiving unit may be implemented by the transceiver 402. Among other things, the processing unit may be used to perform S31 in the embodiment shown in fig. 3, and/or other processes for supporting the techniques described herein. The transceiver unit may be configured to perform S32 in the embodiment shown in fig. 3, and/or other processes for supporting the techniques described herein.
For example, the processing unit is configured to generate first information, where the first information is used to indicate one of X states of P terminal devices, where each of the X states is used to indicate that one or more terminal devices of the P terminal devices are in a first state, or each of the X states is used to indicate that 0 or one or more terminal devices of the P terminal devices are in a first state, where the first state is an awake state, and the P terminal devices belong to M1A group of terminal devices, M1Each terminal equipment group in the terminal equipment groups at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure BDA0001804029210000241
and the transceiving unit is used for transmitting the first information.
All relevant contents of each step related to the above method embodiment may be referred to the functional description of the corresponding functional module, and are not described herein again.
The embodiment shown in fig. 5 provides a communication apparatus 500 that can be implemented in other forms. The communication device comprises, for example, a processing unit and a transceiving unit. For example, the processing unit may be implemented by the processor 501, and the transceiving unit may be implemented by the transceiver 502. Wherein the processing unit may be configured to perform S33 in the embodiment shown in fig. 3, and/or other processes for supporting the techniques described herein. The transceiver unit may be configured to perform S32 in the embodiment shown in fig. 3, and/or other processes for supporting the techniques described herein.
For example, the transceiver unit is configured to receive first information from a network device, where the first information is used to indicate one of X states of P terminal devices, and each of the X states is used to indicate the P terminalsOne or more terminal devices in the end devices are in a first state, or each state in the X states is used to indicate that 0 terminal device or one or more terminal devices in the P terminal devices are in the first state, the first state is an awake state, and the P terminal devices belong to M1A group of terminal devices, M1Each terminal equipment group in the terminal equipment groups at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure BDA0001804029210000251
and the processing unit is used for determining that the first terminal equipment is in the first state or not in the first state in the next discontinuous reception cycle according to the first information.
All relevant contents of each step related to the above method embodiment may be referred to the functional description of the corresponding functional module, which is not described herein again.
Since the communication apparatus 400, the communication apparatus 500, and the communication apparatus 600 provided in the embodiment of the present application can be used to execute the method provided in the embodiment shown in fig. 3, the technical effects obtained by the method embodiments can be referred to above, and are not described herein again.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the procedures or functions described in accordance with the embodiments of the present application are generated in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a Digital Versatile Disk (DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), among others.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present application without departing from the spirit and scope of the application. Thus, to the extent that such modifications and variations of the embodiments of the present application fall within the scope of the claims and their equivalents, it is intended that the present application also encompass such modifications and variations.

Claims (35)

1. An information transmission method, comprising:
generating first information, wherein the first information is used for indicating one of X states of P terminal devices, and each state of the X states is used for indicating one of the P terminal devicesOr the plurality of terminal devices are in a first state, or each state of the X states is used for indicating that 0 terminal device or one or more terminal devices in the P terminal devices are in the first state, the first state is an awakening state, and the P terminal devices belong to M1A group of terminal devices, M1Each terminal equipment group in the terminal equipment groups at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure FDA0002928394500000011
and sending the first information.
2. The method of claim 1,
said first information being carried by N bits, X<2N，M1>N; or the like, or, alternatively,
the first information is carried by one of X candidate sequences, each of the X candidate sequences corresponding to one of the X states.
3. The method of claim 1 or 2, wherein Y states of the X states correspond to the M states1Arbitrary N in a terminal equipment group1Each terminal equipment group is in the first state, or Y states of the X states correspond to the M1Arbitrary (M) in each terminal device group1-N1) Each terminal equipment group is in the first state, N1Is a positive integer, N1<M1。
4. The method of claim 3, further comprising:
transmitting a first signaling for indicating that the Y states are for indicating the M1N in a terminal equipment group1The terminal equipment group is in the first state, or the Y states are used for indicating the M1(M) of a group of terminal devices1-N1) The terminal device group is in the first state.
5. The method of claim 3, wherein H of the X states correspond to the M states1Arbitrary N in a terminal equipment group2Each terminal equipment group is in the first state, or H states in the X states correspond to the M states1Arbitrary (M) in each terminal device group1-N2) Each terminal equipment group is in the first state, N2<M1，N2Is not equal to N1，H+Y≤X。
6. The method of claim 3, wherein the P terminal devices further belong to M2A group of terminal devices, M2Each terminal equipment group in the terminal equipment groups at most comprises K2A terminal device, wherein Z states of the X states correspond to the M2Arbitrary N in a terminal equipment group3Each terminal equipment group is in the first state, or Z states in the X states correspond to the M states2Arbitrary (M) in each terminal device group2-N3) Each terminal equipment group is in the first state, M2<M1，N3<M2，K2>K1，H+Y<X，H+Y+Z≤X。
7. The method of claim 6, wherein M is2Is M1The factor of (2).
8. The method according to claim 1 or 2, wherein the X states further include a second state, and the second state is used to indicate that all of the P terminal devices are in the first state.
9. An information receiving method, comprising:
receiving a first message from a network deviceInformation, the first information is used to indicate one of X states of P terminal devices, each of the X states is used to indicate that one or more terminal devices of the P terminal devices are in a first state, or each of the X states is used to indicate that 0, one or more terminal devices of the P terminal devices are in a first state, the first state is an awake state, and the P terminal devices belong to M1A group of terminal devices, M1Each terminal equipment group in the terminal equipment groups at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure FDA0002928394500000012
determining, according to the first information, whether the first terminal device is in the first state or not in the first state in a next one or more discontinuous reception cycles.
10. The method of claim 9, wherein determining from the first information whether the first terminal device is in the first state or not in the first state for the next one or more discontinuous reception cycles comprises:
and determining that the terminal equipment group to which the first terminal equipment belongs is in the first state or not in the first state in the next one or more discontinuous reception cycles according to the sequence number of the terminal equipment group to which the first terminal equipment belongs and the first information.
11. The method according to claim 9 or 10,
said first information being carried by N bits, X<2N，M1>N; or the like, or, alternatively,
the first information is carried by one of X candidate sequences, each of the X candidate sequences corresponding to one of the X states.
12. The method of claim 9 or 10, wherein Y of the X states correspond to the M1Arbitrary N in a terminal equipment group1Each terminal equipment group is in the first state, or Y states of the X states correspond to the M1Arbitrary (M) in each terminal device group1-N1) Each terminal equipment group is in the first state, N1Is a positive integer, N1<M1。
13. The method of claim 12, further comprising:
transmitting a first signaling for indicating that the Y states are for indicating the M1N in a terminal equipment group1The terminal equipment group is in the first state, or the Y states are used for indicating the M1(M) of a group of terminal devices1-N1) The terminal device group is in the first state.
14. The method of claim 12, wherein H of the X states correspond to the M states1Arbitrary N in a terminal equipment group2Each terminal equipment group is in the first state, or H states in the X states correspond to the M states1Arbitrary (M) in each terminal device group1-N2) Each terminal equipment group is in the first state, N2<M1，N2Is not equal to N1，H+Y≤X。
15. The method of claim 12, wherein the P terminal devices further belong to M2A group of terminal devices, M2Each terminal equipment group in the terminal equipment groups at most comprises K2A terminal device, wherein Z states of the X states correspond to the M2Arbitrary N in a terminal equipment group3Each terminal equipment group is in the first state, or Z states in the X states correspond to the M states2Arbitrary (M) in each terminal device group2-N3) Each terminal equipment group is in the first state, M2<M1，N3<M2，K2>K1，H+Y<X，H+Y+Z≤X。
16. The method of claim 15, wherein M is2Is M1The factor of (2).
17. The method according to claim 9 or 10, wherein the X states further include a second state, and the second state is used to indicate that all of the P terminal devices are in the first state.
18. A communications apparatus, comprising:
a processing unit, configured to generate first information, where the first information is used to indicate one of X states of P terminal devices, where each of the X states is used to indicate that one or more terminal devices of the P terminal devices are in a first state, or each of the X states is used to indicate that 0 or one or more terminal devices of the P terminal devices are in a first state, where the first state is an awake state, and the P terminal devices belong to M1A group of terminal devices, M1Each terminal equipment group in the terminal equipment groups at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure FDA0002928394500000031
and the transceiving unit is used for transmitting the first information.
19. The communication device of claim 18,
said first information being carried by N bits, X<2N，M1>N; or the like, or, alternatively,
the first information is carried by one of X candidate sequences, each of the X candidate sequences corresponding to one of the X states.
20. The communication apparatus according to claim 18 or 19, wherein Y states of the X states correspond to the M states1Arbitrary N in a terminal equipment group1Each terminal equipment group is in the first state, or Y states of the X states correspond to the M1Arbitrary (M) in each terminal device group1-N1) Each terminal equipment group is in the first state, N1Is a positive integer, N1<M1。
21. The communications apparatus of claim 20, wherein the transceiver unit is further configured to:
transmitting a first signaling for indicating that the Y states are for indicating the M1N in a terminal equipment group1The terminal equipment group is in the first state, or the Y states are used for indicating the M1(M) of a group of terminal devices1-N1) The terminal device group is in the first state.
22. The communications apparatus of claim 20, wherein H of the X states correspond to the M states1Arbitrary N in a terminal equipment group2Each terminal equipment group is in the first state, or H states in the X states correspond to the M states1Arbitrary (M) in each terminal device group1-N2) Each terminal equipment group is in the first state, N2<M1，N2Is not equal to N1，H+Y≤X。
23. The communications apparatus of claim 20, wherein the P terminal devices further belong to M2A group of terminal devices, M2Each terminal equipment group in the terminal equipment groups at most comprises K2A terminal device, wherein Z states of the X states correspond to the M2Arbitrary N in a terminal equipment group3Each terminal equipment group is in the first state, or Z states in the X states correspond to the M states2Arbitrary (M) in each terminal device group2-N3) Each terminal equipment group is in the first state, M2<M1，N3<M2，K2>K1，H+Y<X，H+Y+Z≤X。
24. The communications device of claim 23, wherein M is2Is M1The factor of (2).
25. The apparatus according to claim 18 or 19, wherein the X states further include a second state, and the second state is used to indicate that all of the P terminal devices are in the first state.
26. A communications apparatus, comprising:
a transceiver unit, configured to receive first information from a network device, where the first information is used to indicate one of X states of P terminal devices, where each of the X states is used to indicate that one or more terminal devices of the P terminal devices are in a first state, or each of the X states is used to indicate that 0 or one or more terminal devices of the P terminal devices are in a first state, where the first state is an awake state, and the P terminal devices belong to M1A group of terminal devices, M1Each terminal equipment group in the terminal equipment groups at most comprises K1A terminal device, K1And P are both positive integers, and P is a positive integer,
Figure FDA0002928394500000032
and the processing unit is used for determining that the first terminal equipment is in the first state or not in the first state in the next one or more discontinuous reception cycles according to the first information.
27. The communications apparatus of claim 26, wherein the processing unit is configured to determine that the first terminal device is in the first state or not in the first state for the next one or more discontinuous reception cycles based on the first information as follows:
and determining that the terminal equipment group to which the first terminal equipment belongs is in the first state or not in the first state in the next one or more discontinuous reception cycles according to the sequence number of the terminal equipment group to which the first terminal equipment belongs and the first information.
28. The communication device according to claim 26 or 27,
said first information being carried by N bits, X<2N，M1>N; or the like, or, alternatively,
the first information is carried by one of X candidate sequences, each of the X candidate sequences corresponding to one of the X states.
29. The communications device according to claim 26 or 27, wherein Y states of the X states correspond to the M1Arbitrary N in a terminal equipment group1Each terminal equipment group is in the first state, or Y states of the X states correspond to the M1Arbitrary (M) in each terminal device group1-N1) Each terminal equipment group is in the first state, N1Is a positive integer, N1<M1。
30. The communications apparatus of claim 29, wherein the transceiver unit is further configured to:
transmitting a first signaling for indicating that the Y states are for indicating the M1N in a terminal equipment group1A terminal equipment group is inThe first state, or the Y states, are for indicating the M1(M) of a group of terminal devices1-N1) The terminal device group is in the first state.
31. The communications apparatus of claim 29, wherein H of the X states correspond to the M states1Arbitrary N in a terminal equipment group2Each terminal equipment group is in the first state, or H states in the X states correspond to the M states1Arbitrary (M) in each terminal device group1-N2) Each terminal equipment group is in the first state, N2<M1，N2Is not equal to N1，H+Y≤X。
32. The communications apparatus of claim 29, wherein the P terminal devices further belong to M2A group of terminal devices, M2Each terminal equipment group in the terminal equipment groups at most comprises K2A terminal device, wherein Z states of the X states correspond to the M2Arbitrary N in a terminal equipment group3Each terminal equipment group is in the first state, or Z states in the X states correspond to the M states2Arbitrary (M) in each terminal device group2-N3) Each terminal equipment group is in the first state, M2<M1，N3<M2，K2>K1，H+Y<X，H+Y+Z≤X。
33. The communications device of claim 32, wherein M is2Is M1The factor of (2).
34. The apparatus according to claim 26 or 27, wherein the X states further include a second state, and the second state is used to indicate that all of the P terminal devices are in the first state.
35. A computer-readable storage medium storing a computer program for executing the instructions of the method of any one of claims 1 to 8 or 9 to 17.
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