CN117015015A - Method and communication device for signal transmission - Google Patents

Method and communication device for signal transmission Download PDF

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Publication number
CN117015015A
CN117015015A CN202210600284.2A CN202210600284A CN117015015A CN 117015015 A CN117015015 A CN 117015015A CN 202210600284 A CN202210600284 A CN 202210600284A CN 117015015 A CN117015015 A CN 117015015A
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China
Prior art keywords
wake
signal
terminal device
time window
time
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CN202210600284.2A
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Chinese (zh)
Inventor
薛祎凡
薛丽霞
李强
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to PCT/CN2023/090624 priority Critical patent/WO2023207990A1/en
Publication of CN117015015A publication Critical patent/CN117015015A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0248Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A method and a communication device for signal transmission. The method may include: the terminal equipment monitors a wake-up signal in a first time window, wherein the wake-up signal is used for indicating information of at least one terminal equipment needing to be waken up; and the terminal equipment determines whether to monitor the wake-up signal in a first time period after the first time window according to the result of monitoring the wake-up signal in the first time window. In this way, the duration of the first time window may be configured to be short to save energy. In addition, since the length of the first time window is shorter, it may happen that part of the terminal devices cannot be paged in the first time window, so that the terminal devices can determine whether to continue to monitor the wake-up signal in a period of time after the first time window according to the result of monitoring the wake-up signal in the first time window, so as to reduce the power consumption of the terminal devices. The method provided by the embodiment can be applied to a communication system, such as 5G or NR, LTE, V2X, D2D, M2M, MTC, internet of things and the like.

Description

Method and communication device for signal transmission
The present application claims priority from the chinese patent office, application No. 202210458433.6, application name "a method of monitoring signals" filed on day 27, 4, 2022, which is incorporated herein by reference in its entirety.
Technical Field
The present application relates to the field of communications, and more particularly, to a method of signal transmission and a communication apparatus.
Background
The terminal device may receive the wake-up signal through a separate low power consumption small circuit, such as a wake-up radio (WUR), and the main receiver may be in a deep sleep state. After the terminal device detects the wake-up signal through the WUR, the terminal device triggers the wake-up of the main receiver. After the primary receiver wakes up, the terminal device may perform a paging (paging) reception procedure, such as receiving a paging message, through the primary receiver.
However, if the terminal device receives the wake-up signal through WUR all the time, a large power consumption is also brought to the terminal device.
Disclosure of Invention
The application provides a signal transmission method and a communication device, which can give consideration to the power consumption and time delay of terminal equipment.
In a first aspect, a method for signal transmission is provided, which may be performed by a terminal device, or may also be performed by a component (e.g. a chip or a circuit) of the terminal device, which is not limited. For convenience of description, an example will be described below in terms of execution by the terminal device.
The method may include: the terminal equipment monitors a wake-up signal in a first time window, wherein the wake-up signal is used for indicating information of at least one terminal equipment needing to be waken up; and the terminal equipment determines whether to monitor the wake-up signal in a first time period after the first time window according to the result of monitoring the wake-up signal in the first time window.
Based on the above technical solution, the terminal device may determine whether to continue monitoring the wake-up signal in a period of time after the first time window according to the result of monitoring the wake-up signal in the first time window. Thus, on the one hand, the duration of the first time window may be configured to be short to save energy. On the other hand, if the terminal device determines that the wake-up signal is not monitored in the first time period after the first time window according to the result of monitoring the wake-up signal in the first time window, the terminal device may not need to monitor the wake-up signal continuously in the first time period after the first time window, so as to reduce the function of the terminal device.
Further optionally, if the length of the first time window is shorter, it may happen that a part of terminal devices cannot be awakened in the first time window, for the part of terminal devices, the network device may send a corresponding wake-up signal in a period of time after the first time window, and correspondingly, the terminal device may determine whether to continue to monitor the wake-up signal in a period of time after the first time window according to a result of monitoring the wake-up signal in the first time window. In this way, even if a part of terminal devices cannot be awakened within the first time window, the part of terminal devices can be awakened within a period of time (i.e., the first time period) after the first time window, and compared with the case that the part of terminal devices need to be awakened within the next time window or other time windows (such as a longer interval between time windows; for example, other terminal devices may need to be awakened first in the next time window or other time windows, and then the part of terminal devices are awakened), the scheme of the embodiment of the application can also reduce the time delay brought by the awakening of the terminal devices.
With reference to the first aspect, in certain implementation manners of the first aspect, the first time window includes N time units, where N is an integer greater than 1 or equal to 1, and the determining, by the terminal device, whether to monitor the wake-up signal in a first period of time after the first time window according to a result of monitoring the wake-up signal in the first time window includes: if the terminal equipment monitors the wake-up signal in each time unit in the first time window, the terminal equipment monitors the wake-up signal in the first time period; if the terminal device does not monitor the wake-up signal in at least one time unit in the first time window, the terminal device does not monitor the wake-up signal in the first time period.
Based on the above technical solution, it is considered that if the terminal device monitors the wake-up signal in each time unit in the first time window, more paging information may need to be sent, so the terminal device may continuously monitor the wake-up signal in the first time period, so that the network device may quickly send the wake-up signal that cannot be sent in the first time window in the first time period, thereby reducing the time delay. If the terminal device does not monitor the wake-up signal in at least one time unit in the first time window, the paging information which is likely to be transmitted is transmitted in the first time window, so that the terminal device can not monitor the wake-up signal continuously in the first time period, thereby shortening the monitoring time of the terminal device and reducing the power consumption of the terminal device.
With reference to the first aspect, in certain implementation manners of the first aspect, the first time window includes N time units, where N is an integer greater than 1 or equal to 1, and the determining, by the terminal device, whether to monitor the wake-up signal in a first period of time after the first time window according to a result of monitoring the wake-up signal in the first time window includes: if the terminal equipment does not monitor the wake-up signal in the last N1 time units in the first time window, the terminal equipment does not monitor the wake-up signal in the first time period; if the terminal equipment monitors the wake-up signal in the last N1 time units in the first time window, the terminal equipment monitors the wake-up signal in the first time period; wherein N1 is an integer greater than or equal to 1, and N1 is less than N.
Based on the above technical solution, it is considered that the wake-up signal of some terminal devices may arrive in the middle or at the tail of the first time window, that is, the last N1 time units arrive, and the wake-up signal cannot be sent completely before the end position of the first time window. Therefore, if the terminal device monitors the wake-up signal in the last N1 time units in the first time window, the terminal device can continuously monitor the wake-up signal in the first time period, so that the network device can quickly transmit the wake-up signal which cannot be transmitted in the first time window in the first time period, thereby reducing the time delay. If the terminal device does not monitor the wake-up signal in the last N1 time units in the first time window, the wake-up signal which is likely to be transmitted is transmitted in the first time window, so that the terminal device can not monitor the wake-up signal continuously in the first time period, thereby shortening the monitoring time of the terminal device and reducing the power consumption of the terminal device.
With reference to the first aspect, in certain implementation manners of the first aspect, the first time window includes N time units, where N is an integer greater than 1 or equal to 1, and the determining, by the terminal device, whether to monitor the wake-up signal in a first period of time after the first time window according to a result of monitoring the wake-up signal in the first time window includes: if the terminal equipment does not monitor the wake-up signal in N2 time units in the first time window, the terminal equipment does not monitor the wake-up signal in the first time period; if the terminal equipment monitors the wake-up signal in N2 time units in the first time window, the terminal equipment monitors the wake-up signal in the first time period; wherein N2 is an integer greater than or equal to 1, and N2 is less than N.
Based on the above technical solution, considering that the terminal device monitors the wake-up signals in all N2 time units in the first time window, there may be more wake-up signals to be transmitted, so the terminal device may continuously monitor the wake-up signals in the first time period, so that the network device may quickly transmit the wake-up signals that cannot be transmitted in the first time window, thereby reducing the time delay. If the terminal device does not monitor the wake-up signal in the N2 time units in the first time window, the wake-up signal which is likely to be transmitted is transmitted in the first time window, or the wake-up signal in the first time window is less, so that the terminal device can not monitor the wake-up signal continuously in the first time period, thereby shortening the monitoring time of the terminal device and reducing the power consumption of the terminal device.
With reference to the first aspect, in certain implementation manners of the first aspect, the first time window includes N time units, where N is an integer greater than 1 or equal to 1, and the determining, by the terminal device, whether to monitor the wake-up signal in a first period of time after the first time window according to a result of monitoring the wake-up signal in the first time window includes: if the terminal equipment does not monitor the wake-up signal in all of N3 time units in the first time window, the terminal equipment does not monitor the wake-up signal in the first time period; if the terminal equipment monitors the wake-up signal in at least one time unit in N3 time units in the first time window, the terminal equipment monitors the wake-up signal in the first time period; wherein N3 is an integer greater than or equal to 1, and N3 is less than N.
Based on the above technical solution, it is considered that the wake-up signal of some terminal devices may arrive in the middle or at the tail of the first time window, that is, a certain time unit of the last N3 time units or the last N3 time units arrives, and the wake-up signal cannot be sent completely before the end position of the first time window. Therefore, if the terminal device monitors the wake-up signal in at least one time unit of the last N3 time units in the first time window, the terminal device can continuously monitor the wake-up signal in the first time period, so that the network device can quickly transmit the wake-up signal which cannot be transmitted in the first time window in the first time period, thereby reducing the time delay. If the terminal device does not monitor the wake-up signal in the last N3 time units in the first time window, the wake-up signal which is likely to be transmitted is transmitted in the first time window, so that the terminal device can not monitor the wake-up signal continuously in the first time period, thereby shortening the monitoring time of the terminal device and reducing the power consumption of the terminal device.
With reference to the first aspect, in some implementations of the first aspect, the information of the at least one terminal device to be woken up is an identification of the at least one terminal device to be woken up, and the terminal device monitors a wake up signal in a first time window, including: the terminal equipment monitors a wake-up signal in a first time window, and at least one identifier of the terminal equipment to be waken-up indicated by the wake-up signal comprises a first identifier; the terminal device determines whether to monitor the wake-up signal in a first time period after the first time window according to the result of monitoring the wake-up signal in the first time window, and the method comprises the following steps: the terminal device determines whether to monitor the wake-up signal in a first time period according to the identification of the terminal device and the first identification.
Based on the technical scheme, the network equipment can send the wake-up signal according to a certain rule, so that the terminal equipment can judge whether to monitor the wake-up signal in a first time period according to the self identification and the identification indicated by the wake-up signal.
With reference to the first aspect, in certain implementations of the first aspect, when the terminal device detects at least two wake-up signals within the first time window, an identity of the terminal device indicated by the wake-up signal monitored later is greater than an identity of the terminal device indicated by the wake-up signal monitored earlier.
Based on the technical scheme, the network device can send the wake-up signal in a mode of ascending identification of the terminal device, so that the terminal device can judge whether to monitor the wake-up signal in the first time period by comparing the identification of the terminal device with the identification indicated by the wake-up signal.
With reference to the first aspect, in certain implementation manners of the first aspect, the determining, by the terminal device, whether to monitor the wake-up signal in the first period according to the identifier of the terminal device and the first identifier includes: if the identification of the terminal equipment is larger than the first identification, the terminal equipment monitors a wake-up signal in a first time period; if the identifier of the terminal device is smaller than the first identifier, the terminal device does not monitor the wake-up signal in the first time period, or the terminal device stops monitoring the wake-up signal in the first time window and does not monitor the wake-up signal in the first time period.
With reference to the first aspect, in certain implementations of the first aspect, when the terminal device detects at least two wake-up signals within the first time window, an identity of the terminal device indicated by the wake-up signal monitored later is smaller than an identity of the terminal device indicated by the wake-up signal monitored earlier.
Based on the above technical scheme, the network device may send the wake-up signal in a descending order of the identifiers of the terminal devices, so that the terminal devices may determine whether to monitor the wake-up signal in the first period by comparing the identifier of the terminal devices with the identifier indicated by the wake-up signal.
With reference to the first aspect, in certain implementation manners of the first aspect, the determining, by the terminal device, whether to monitor the wake-up signal in the first period according to the identifier of the terminal device and the first identifier includes: if the identification of the terminal equipment is smaller than the first identification, the terminal equipment monitors a wake-up signal in a first time period; if the identifier of the terminal device is greater than the first identifier, the terminal device does not monitor the wake-up signal in the first time period, or the terminal device stops monitoring the wake-up signal in the first time window and does not monitor the wake-up signal in the first time period.
With reference to the first aspect, in certain implementation manners of the first aspect, when the terminal device detects at least two wake-up signals within the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is greater than the identity of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device detects at least two wake-up signals within the first time period, the identity of the terminal device indicated by the wake-up signal monitored later is less than the identity of the terminal device indicated by the wake-up signal monitored earlier.
Based on the technical scheme, the network equipment sends the wake-up signal in a mode of ascending identification of the terminal equipment in a first time window, and sends the wake-up signal in a mode of descending identification of the terminal equipment in the first time window.
With reference to the first aspect, in certain implementations of the first aspect, when the terminal device detects at least two wake-up signals within the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is smaller than the identity of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device detects at least two wake-up signals within the first time period, the identity of the terminal device indicated by the wake-up signal monitored later is greater than the identity of the terminal device indicated by the wake-up signal monitored earlier.
Based on the technical scheme, the network equipment sends the wake-up signal in a descending order of the identifiers of the terminal equipment in a first time window, and sends the wake-up signal in an ascending order of the identifiers of the terminal equipment in the first time period.
With reference to the first aspect, in certain implementations of the first aspect, the terminal device monitors a wake-up signal within a first time window, including: the terminal equipment monitors first information in a first time window, wherein the first information is used for indicating to stop monitoring the wake-up signal; the terminal device determines whether to monitor the wake-up signal in a first time period after the first time window according to the result of monitoring the wake-up signal in the first time window, and the method comprises the following steps: the terminal device does not monitor the wake-up signal in the first time period or stops monitoring the wake-up signal in the first time window and does not monitor the wake-up signal in the first time period according to the first information.
Based on the above technical solution, the network device determines that no paging information needs to be sent, for example, no terminal device needs to be paged, or the paging in the buffer is sent completely, and the network device may send the first information to inform the terminal device to stop monitoring the wake-up signal, so as to reduce power consumption of the terminal device.
With reference to the first aspect, in certain implementations of the first aspect, a starting position of the first time period is the same as an ending position of the first time window.
With reference to the first aspect, in some implementations of the first aspect, the end position of the first time window coincides with the start position of the second time window, or the end position of the first time window is located before the start position of the second time window, where the second time window is a time window corresponding to when the second terminal device monitors the wake-up signal, and the first time window and the second time window are adjacent time windows.
With reference to the first aspect, in certain implementations of the first aspect, the method further includes: the terminal equipment receives configuration information, wherein the configuration information comprises at least one of the following items: information of the first time window, or information of the first time period.
With reference to the first aspect, in certain implementations of the first aspect, a length of time of the first time period is the same as a length of time of the first time window.
In a second aspect, a method for signal transmission is provided, which may be performed by a terminal device, or may also be performed by a component (e.g., a chip or a circuit) of the terminal device, which is not limited. For convenience of description, an example will be described below in terms of execution by the terminal device.
The method may include: the terminal equipment monitors a wake-up signal in a first time window, wherein the wake-up signal is used for indicating information of at least one terminal equipment needing to be waken up; and the terminal equipment determines whether to continuously monitor the wake-up signal in the first time window according to the result of monitoring the wake-up signal in part of the time length in the first time window.
Based on the above technical solution, the terminal device may determine whether to continue monitoring the wake-up signal in the first time window according to the result of monitoring the wake-up signal in a part of the duration in the first time window. In this way, the duration of the first time window may be configured to be longer, so as to avoid that part of the terminal devices cannot be awakened within the first time window. In addition, the terminal device may determine whether to continue monitoring the wake-up signal in the first time window according to the result of monitoring the wake-up signal in a part of the duration in the first time window, so as to reduce power consumption of the terminal device.
With reference to the second aspect, in some implementations of the second aspect, the information of the at least one terminal device to be woken up is an identification of the at least one terminal device to be woken up, and the terminal device monitors a wake up signal in a first time window, including: the terminal equipment monitors a wake-up signal in a first time window, and at least one identifier of the terminal equipment to be waken-up indicated by the wake-up signal comprises a first identifier; the terminal device determines whether to continue monitoring the wake-up signal in the first time window according to the result of monitoring the wake-up signal in the partial duration in the first time window, and the method comprises the following steps: and the terminal equipment determines whether to continuously monitor the wake-up signal in the first time window according to the identification of the terminal equipment and the first identification.
Based on the technical scheme, the network equipment can send the wake-up signal according to a certain rule, so that the terminal equipment can judge whether to continuously monitor the wake-up signal in the first time window according to the self identification and the identification indicated by the wake-up signal. In this way, the duration of the first time window may be configured to be longer, so as to avoid that part of the terminal devices cannot be awakened within the first time window. In addition, the terminal device can determine whether to monitor the wake-up signal continuously in the first time window according to the self identification and the identification indicated by the wake-up signal so as to reduce the power consumption of the terminal device.
With reference to the second aspect, in certain implementations of the second aspect, when the terminal device detects at least two wake-up signals within the first time window, an identity of the terminal device indicated by the wake-up signal monitored later is greater than an identity of the terminal device indicated by the wake-up signal monitored earlier.
Based on the above technical scheme, the network device may send the wake-up signal in a manner of ascending the identifier of the terminal device, so that the terminal device may determine whether to continue to monitor the wake-up signal in the first time window by comparing its identifier with the identifier indicated by the wake-up signal.
With reference to the second aspect, in some implementations of the second aspect, the determining, by the terminal device, whether to continue monitoring the wake-up signal within the first time window according to the identifier of the terminal device and the first identifier includes: if the identifier of the terminal equipment is larger than the first identifier, the terminal equipment continuously monitors the wake-up signal in a first time window; if the identifier of the terminal equipment is smaller than the first identifier, the terminal equipment stops monitoring the wake-up signal in the first time window.
With reference to the second aspect, in certain implementations of the second aspect, when the terminal device detects at least two wake-up signals within the first time window, an identity of the terminal device indicated by the wake-up signal monitored later is smaller than an identity of the terminal device indicated by the wake-up signal monitored earlier.
Based on the above technical solution, the network device may send the wake-up signal in a descending order of the identifiers of the terminal devices, so that the terminal devices may determine whether to continue to monitor the wake-up signal in the first time window by comparing the identifier of the terminal devices with the identifier indicated by the wake-up signal.
With reference to the second aspect, in some implementations of the second aspect, the determining, by the terminal device, whether to continue monitoring the wake-up signal within the first time window according to the identifier of the terminal device and the first identifier includes: if the identifier of the terminal equipment is smaller than the first identifier, the terminal equipment continuously monitors the wake-up signal in a first time window; if the identifier of the terminal equipment is larger than the first identifier, the terminal equipment stops monitoring the wake-up signal in the first time window.
With reference to the second aspect, in certain implementations of the second aspect, when the terminal device monitors at least two wake-up signals within a first time window of a first period, an identity of the terminal device indicated by a wake-up signal monitored later is greater than an identity of the terminal device indicated by a wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals within a first time window of a second period, an identity of the terminal device indicated by a wake-up signal monitored later is less than an identity of the terminal device indicated by a wake-up signal monitored earlier, wherein the first period and the second period are adjacent.
Based on the technical scheme, the wake-up signal is used for indicating paging information of the terminal equipment, and the network equipment sends the paging information in an ascending order of the identifiers of the terminal equipment, so that the terminal equipment with smaller identifiers can determine that the terminal equipment cannot be paged earlier, thereby acquiring larger energy-saving benefits; while identifying larger terminal devices often requires monitoring for longer periods of time, even throughout the time window. Therefore, the above-mentioned problem can be solved by transmitting the wake-up signal in an ascending order in the first time window of the first period and transmitting the wake-up signal in a descending order in the first time window of the next period (i.e., the second period).
With reference to the second aspect, in certain implementations of the second aspect, when the terminal device monitors at least two wake-up signals within a first time window of a first period, an identity of the terminal device indicated by a wake-up signal monitored later is smaller than an identity of the terminal device indicated by a wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals within the first time window of a second period, an identity of the terminal device indicated by a wake-up signal monitored later is larger than an identity of the terminal device indicated by a wake-up signal monitored earlier, wherein the first period and the second period are adjacent.
Based on the technical scheme, the wake-up signal is used for indicating paging information of the terminal equipment, and the network equipment sends the paging information in an ascending order of the identifiers of the terminal equipment, so that the terminal equipment with smaller identifiers can determine that the terminal equipment cannot be paged earlier, thereby acquiring larger energy-saving benefits; while identifying larger terminal devices often requires monitoring for longer periods of time, even throughout the time window. Therefore, the above-mentioned problem can be solved by transmitting the wake-up signal in a descending order in the first time window of the first period and transmitting the wake-up signal in an ascending order in the first time window of the next period (i.e., the second period).
With reference to the second aspect, in certain implementations of the second aspect, the terminal device monitors a wake-up signal within a first time window, including: the terminal equipment monitors first information in a first time window, wherein the first information is used for indicating to stop monitoring the wake-up signal; the terminal device determines whether to continue monitoring the wake-up signal in the first time window according to the result of monitoring the wake-up signal in the partial duration in the first time window, and the method comprises the following steps: and stopping monitoring the wake-up signal within a first time window by the terminal equipment according to the first information.
Based on the above technical solution, the network device determines that no paging information needs to be sent, for example, no terminal device needs to be paged, or the paging in the buffer is sent completely, and the network device may send the first information to inform the terminal device to stop monitoring the wake-up signal, so as to reduce power consumption of the terminal device.
With reference to the second aspect, in some implementations of the second aspect, the end position of the first time window coincides with the start position of the second time window, or the end position of the first time window is located before the start position of the second time window, where the second time window is a time window corresponding to when the second terminal device monitors the wake-up signal, and the first time window and the second time window are adjacent time windows.
With reference to the second aspect, in certain implementations of the second aspect, the method further includes: the terminal device receives configuration information, which includes information of a first time window.
In a third aspect, a method for signal transmission is provided, which may be performed by a network device, or may also be performed by a component (such as a chip or a circuit) of the network device, which is not limited thereto. For ease of description, the following description will be given by way of example as being executed by a network device.
The method may include: the network equipment sends a wake-up signal in a first time window, wherein the wake-up signal is used for indicating the identification of at least one terminal equipment needing to be waken up; the network device determines whether to transmit the wake-up signal within a first time period subsequent to the first time window based on the fact that the wake-up signal is transmitted within the first time window.
Illustratively, determining whether to transmit the wake-up signal within a first time period subsequent to the first time window represents: it is determined whether the wake-up signal can be transmitted within a first time period after the first time window, or whether the wake-up signal is allowed to be transmitted within a first time period after the first time window, or whether the wake-up signal is capable of being transmitted within a first time period after the first time window. For example, determining that the wake-up signal is transmitted in a first period of time after the first time window means that the wake-up signal is determined to be transmitted in the first period of time after the first time window, or that the wake-up signal is allowed to be transmitted in the first period of time after the first time window, or that the wake-up signal is enabled to be transmitted in the first period of time after the first time window.
With reference to the third aspect, in some implementations of the third aspect, the first time window includes N time units, where N is an integer greater than 1 or equal to 1, and the network device determines, according to a case where the wake-up signal is sent in the first time window, whether to send the wake-up signal in a first period of time after the first time window, including: if the network device transmits a wake-up signal in each time unit in the first time window, the network device determines to transmit the wake-up signal in the first time period; if the network device does not transmit a wake-up signal for at least one time unit within the first time window, the network device determines not to transmit a wake-up signal for the first time period.
With reference to the third aspect, in some implementations of the third aspect, the first time window includes N time units, where N is an integer greater than 1 or equal to 1, and the network device determines, according to a case where the wake-up signal is sent in the first time window, whether to send the wake-up signal in a first period of time after the first time window, including: if the network device does not send the wake-up signal in the last N1 time units in the first time window, the network device determines not to send the wake-up signal in the first time period; if the network device transmits a wake-up signal in the last N1 time units in the first time window, the network device determines to transmit the wake-up signal in the first time period; wherein N1 is an integer greater than or equal to 1, and N1 is less than N.
With reference to the third aspect, in some implementations of the third aspect, the first time window includes N time units, where N is an integer greater than 1 or equal to 1, and the network device determines, according to a case where the wake-up signal is sent in the first time window, whether to send the wake-up signal in a first period of time after the first time window, including: if the network device does not send the wake-up signal in N2 time units in the first time window, the network device determines not to send the wake-up signal in the first time period; if the network equipment transmits the wake-up signal in N2 time units in the first time window, the network equipment determines to transmit the wake-up signal in the first time period; wherein N2 is an integer greater than or equal to 1, and N2 is less than N.
With reference to the third aspect, in some implementations of the third aspect, the first time window includes N time units, where N is an integer greater than 1 or equal to 1, and the network device determines, according to a case where the wake-up signal is sent in the first time window, whether to send the wake-up signal in a first period of time after the first time window, including: if the network device does not send the wake-up signal in all of the last N3 time units in the first time window, the network device determines that the wake-up signal is not sent in the first time period; if the network device transmits a wake-up signal in at least one time unit of the last N3 time units in the first time window, the network device determines to transmit the wake-up signal in the first time period; wherein N3 is an integer greater than or equal to 1, and N3 is less than N.
With reference to the third aspect, in some implementations of the third aspect, the information of the at least one terminal device to be woken up is an identifier of the at least one terminal device to be woken up, an identifier of the terminal device indicated by a wake-up signal sent later by the network device in the first time window is greater than an identifier of the terminal device indicated by a wake-up signal sent earlier, or an identifier of the terminal device indicated by a wake-up signal sent later by the network device in the first time window is less than an identifier of the terminal device indicated by a wake-up signal sent earlier.
With reference to the third aspect, in some implementations of the third aspect, the identity of the terminal device indicated by the wake-up signal sent later by the network device within the first time window is greater than the identity of the terminal device indicated by the wake-up signal sent earlier, and the method further includes: the network device transmits a wake-up signal within a first time period, and the identity of the terminal device indicated by the wake-up signal transmitted later by the network device within the first time period is less than the identity of the terminal device indicated by the wake-up signal transmitted earlier.
With reference to the third aspect, in some implementations of the third aspect, the identity of the terminal device indicated by the wake-up signal sent by the network device later within the first time window is smaller than the identity of the terminal device indicated by the wake-up signal sent earlier, and the method further includes: the network device transmits a wake-up signal during a first time period, and the identity of the terminal device indicated by the wake-up signal transmitted later by the network device during the first time period is greater than the identity of the terminal device indicated by the wake-up signal transmitted earlier.
With reference to the third aspect, in certain implementations of the third aspect, the method further includes: the network device transmits first information within a first time window, the first information being used to indicate to cease monitoring the wake-up signal.
With reference to the third aspect, in certain implementations of the third aspect, the method further includes: the network device determines not to transmit the wake-up signal in the first time period or determines to stop transmitting the wake-up signal in the first time window and not to transmit the wake-up signal in the first time period according to the first information.
With reference to the third aspect, in certain implementations of the third aspect, the method further includes: the network device sends a wake-up signal in a second time window, wherein the first time window and the second time window are adjacent, and the end position of the first time window coincides with the start position of the second time window, or the end position of the first time window is located before the start position of the second time window.
With reference to the third aspect, in certain implementations of the third aspect, the method further includes: the network device transmits configuration information, the configuration information including at least one of: information of the first time window, or information of the first time period.
With reference to the third aspect, in certain implementations of the third aspect, the starting position of the first time period is the same as the ending position of the first time window.
With reference to the third aspect, in certain implementations of the third aspect, the length of time of the first time period is the same as the length of time of the first time window.
The advantages of the third aspect and the various possible designs may be referred to in the description related to the first aspect, and are not repeated here.
In a fourth aspect, a method for transmitting signals is provided, which may be performed by a network device, or may also be performed by a component (such as a chip or a circuit) of the network device, which is not limited thereto. For ease of description, the following description will be given by way of example as being executed by a network device.
The method may include: the network equipment sends a wake-up signal in a first time window, wherein the wake-up signal is used for indicating the identification of at least one terminal equipment needing to be waken up; the identity of the terminal device indicated by the wake-up signal sent by the network device later in the first time window is greater than the identity of the terminal device indicated by the wake-up signal sent earlier, or the identity of the terminal device indicated by the wake-up signal sent by the network device later in the first time window is less than the identity of the terminal device indicated by the wake-up signal sent earlier.
With reference to the fourth aspect, in certain implementations of the fourth aspect, the method further includes: the network device transmits first information within a first time window, the first information being used to indicate to cease monitoring the wake-up signal.
With reference to the fourth aspect, in certain implementations of the fourth aspect, the method further includes: the network device determines to stop sending the wake-up signal in a first time window according to the first information.
With reference to the fourth aspect, in some implementations of the fourth aspect, when the network device sends at least two wake-up signals within a first time window of a first period, an identity of a terminal device indicated by a wake-up signal sent later is greater than an identity of a terminal device indicated by a wake-up signal sent earlier, and when the network device sends at least two wake-up signals within a first time window of a second period, an identity of a terminal device indicated by a wake-up signal sent later is less than an identity of a terminal device indicated by a wake-up signal sent earlier, where the first period and the second period are adjacent.
With reference to the fourth aspect, in some implementations of the fourth aspect, when the network device sends at least two wake-up signals within a first time window of a first period, an identity of a terminal device indicated by a wake-up signal sent later is smaller than an identity of a terminal device indicated by a wake-up signal sent earlier, and when the network device sends at least two wake-up signals within a first time window of a second period, an identity of a terminal device indicated by a wake-up signal sent later is greater than an identity of a terminal device indicated by a wake-up signal sent earlier, where the first period and the second period are adjacent.
With reference to the fourth aspect, in certain implementations of the fourth aspect, the method further includes: the network device sends a wake-up signal in a second time window, wherein the first time window and the second time window are adjacent, and the end position of the first time window coincides with the start position of the second time window, or the end position of the first time window is located before the start position of the second time window.
With reference to the fourth aspect, in certain implementations of the fourth aspect, the method further includes: the network device transmits configuration information including information of the first time window.
The advantages of the fourth aspect and the various possible designs may be referred to in the description related to the second aspect, and will not be repeated here.
In a fifth aspect, a communication device is provided, which is configured to perform the method provided in any one of the first to fourth aspects. In particular, the apparatus may comprise means and/or modules, such as a processing unit and/or a communication unit, for performing the method provided by any of the above-mentioned implementations of the first to fourth aspects.
In one implementation, the apparatus is a communication device (e.g., a terminal device, as well as a network device). When the apparatus is a communication device, the communication unit may be a transceiver, or an input/output interface; the processing unit may be at least one processor. Alternatively, the transceiver may be a transceiver circuit. Alternatively, the input/output interface may be an input/output circuit.
In another implementation, the apparatus is a chip, a system-on-chip, or a circuit for use in a communication device (e.g., a terminal device, as well as a network device). When the apparatus is a chip, a system-on-chip or a circuit used in a communication device, the communication unit may be an input/output interface, an interface circuit, an output circuit, an input circuit, a pin, or a related circuit on the chip, the system-on-chip or the circuit, or the like; the processing unit may be at least one processor, processing circuit or logic circuit, etc.
In a sixth aspect, there is provided a communication apparatus comprising: a memory for storing a program; at least one processor configured to execute a computer program or instructions stored in a memory to perform a method provided by any one of the implementations of any one of the first to fourth aspects.
In one implementation, the apparatus is a communication device (e.g., a terminal device, as well as a network device).
In another implementation, the apparatus is a chip, a system-on-chip, or a circuit for use in a communication device (e.g., a terminal device, as well as a network device).
In a seventh aspect, the present application provides a processor configured to perform the method provided in the above aspects.
The operations such as transmitting and acquiring/receiving, etc. related to the processor may be understood as operations such as outputting and receiving, inputting, etc. by the processor, or may be understood as operations such as transmitting and receiving by the radio frequency circuit and the antenna, if not specifically stated, or if not contradicted by actual function or inherent logic in the related description, which is not limited by the present application.
In an eighth aspect, a computer readable storage medium is provided, the computer readable storage medium storing program code for execution by a device, the program code comprising instructions for performing the method provided by any one of the implementations of any one of the first to fourth aspects.
In a ninth aspect, there is provided a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method provided by any one of the implementations of any one of the first to fourth aspects.
In a tenth aspect, a chip is provided, the chip including a processor and a communication interface, the processor reading instructions stored on a memory through the communication interface, and executing the method provided by any one of the implementations of the first to fourth aspects.
Optionally, as an implementation manner, the chip further includes a memory, where a computer program or an instruction is stored in the memory, and the processor is configured to execute the computer program or the instruction stored in the memory, and when the computer program or the instruction is executed, the processor is configured to perform a method provided by any one of the implementation manners of the first aspect to the fourth aspect.
An eleventh aspect provides a communication system comprising the above terminal device and network device.
Drawings
Fig. 1 is a schematic diagram of a wireless communication system 100 suitable for use in embodiments of the present application.
Fig. 2 is a schematic diagram of a terminal device receiving a wake-up signal through a wake-up circuit.
Fig. 3 is a waveform diagram of the wake-up signal when OOK modulation is used.
Fig. 4 is a schematic diagram of a signal transmission method 400 according to an embodiment of the application.
Fig. 5 is a schematic diagram of a time cell.
Fig. 6 is a schematic diagram applicable to embodiment 1.
Fig. 7 is a schematic diagram applicable to mode 2.
Fig. 8 is a schematic diagram suitable for use in mode 6.
Fig. 9 is a schematic diagram of time window boundary coincidence of different terminal devices.
Fig. 10 is a schematic diagram of time window boundary misalignment for different terminal devices.
Fig. 11 is a schematic diagram illustrating a method 1100 for signal transmission according to another embodiment of the present application.
Fig. 12 is a schematic diagram suitable for mode a.
Fig. 13 is another schematic diagram applicable to mode a.
Fig. 14 is a schematic diagram of a communication device 1400 according to an embodiment of the present application.
Fig. 15 is a schematic diagram of another communication apparatus 1500 according to an embodiment of the present application.
Fig. 16 is a schematic diagram of a chip system 1600 according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings.
The technical scheme provided by the application can be applied to various communication systems, such as: fifth generation (5th generation,5G) or New Radio (NR) systems, long term evolution (long term evolution, LTE) systems, LTE frequency division duplex (frequency division duplex, FDD) systems, LTE time division duplex (time division duplex, TDD) systems, and the like. The technical scheme provided by the application can also be applied to future communication systems, such as a sixth generation mobile communication system. The technical solution provided by the present application may also be applied to device-to-device (D2D) communication, vehicle-to-everything (V2X) communication, machine-to-machine (machine to machine, M2M) communication, machine type communication (machine type communication, MTC), and internet of things (internet of things, ioT) communication systems or other communication systems.
The terminal device in the embodiments of the present application may also be referred to as a User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a user terminal, a wireless communication device, a user agent, or a user equipment.
The terminal device may be a device that provides voice/data to a user, e.g., a handheld device with wireless connection, an in-vehicle device, etc. Currently, some examples of terminals are: a mobile phone, tablet, laptop, palmtop, mobile internet device (mobile internet device, MID), wearable device, virtual Reality (VR) device, augmented reality (augmented reality, AR) device, wireless terminal in industrial control (industrial control), wireless terminal in unmanned (self driving), wireless terminal in teleoperation (remote medical surgery), wireless terminal in smart grid (smart grid), wireless terminal in transportation security (transportation safety), wireless terminal in smart city (smart city), wireless terminal in smart home (smart home), cellular phone, cordless phone, session initiation protocol (session initiation protocol, SIP) phone, wireless local loop (wireless local loop, WLL) station, personal digital assistant (personal digital assistant, PDA), handheld device with wireless communication function, computing device or other processing device connected to wireless modem, wearable device, terminal device in 5G network or terminal in future evolved land mobile communication network (public land mobile network), and the like, without limiting the application.
By way of example, and not limitation, in embodiments of the present application, the terminal device may also be a wearable device. The wearable device can also be called as a wearable intelligent device, and is a generic name for intelligently designing daily wear by applying wearable technology and developing wearable devices, such as glasses, gloves, watches, clothes, shoes and the like. The 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 can realize a powerful function through software support, data interaction and cloud interaction. The generalized wearable intelligent device includes full functionality, large size, and may not rely on the smart phone to implement complete or partial functionality, such as: smart watches or smart glasses, etc., and focus on only certain types of application functions, and need to be used in combination with other devices, such as smart phones, for example, various smart bracelets, smart jewelry, etc. for physical sign monitoring.
In the embodiment of the present application, the device for implementing the function of the terminal device may be the terminal device, or may be a device capable of supporting the terminal device to implement the function, for example, a chip system or a chip, and the device may be installed in the terminal device. In the embodiment of the application, the chip system can be composed of chips, and can also comprise chips and other discrete devices.
The network device in the embodiment of the present application may be a device for communicating with a terminal device, and the network device may also be referred to as an access network device or a radio access network device, for example, the network device may be a base station. The network device in the embodiments of the present application may refer to a radio access network (radio access network, RAN) node (or device) that accesses the terminal device to the wireless network. The base station may broadly cover or replace various names in the following, such as: a node B (NodeB), an evolved NodeB (eNB), a next generation NodeB (gNB), a relay station, an access point, a transmission point (transmitting and receiving point, TRP), a transmission point (transmitting point, TP), a master station, a secondary station, a multi-mode wireless (motor slide retainer, MSR) node, a home base station, a network controller, an access node, a wireless node, an Access Point (AP), a transmission node, a transceiver node, a baseband unit (BBU), a remote radio unit (remote radio unit, RRU), an active antenna unit (active antenna unit, AAU), a radio head (remote radio head, RRH), a Central Unit (CU), a Distributed Unit (DU), a positioning node, and the like. The base station may be a macro base station, a micro base station, a relay node, a donor node, or the like, or a combination thereof. A base station may also refer to a communication module, modem, or chip for placement within the aforementioned device or apparatus. The base station may be a mobile switching center, a device that performs a base station function in D2D, V2X, M M communication, a network side device in a 6G network, a device that performs a base station function in a future communication system, or the like. The base stations may support networks of the same or different access technologies. The embodiment of the application does not limit the specific technology and the specific equipment form adopted by the network equipment.
The base station may be fixed or mobile. For example, a helicopter or drone may be configured to act as a mobile base station, and at least one cell may move according to the location of the mobile base station. In other examples, a helicopter or drone may be configured to function as a device to communicate with another base station.
In some deployments, the network device mentioned in the embodiments of the present application may be a device including a CU, or a DU, or a device including a CU and a DU, or a device of a control plane CU node (central unit-control plane, CU-CP) and a user plane CU node (central unit-user plane, CU-UP) of a user plane, and a DU node.
Network devices and terminal devices may be deployed on land, including indoors or outdoors, hand-held or vehicle-mounted; the device can be deployed on the water surface; but also on aerial planes, balloons and satellites. In the embodiment of the application, the scene where the network equipment and the terminal equipment are located is not limited.
A network architecture suitable for the present application will be briefly described with reference to fig. 1.
Referring to fig. 1 for exemplary illustration, fig. 1 shows a schematic diagram of a wireless communication system 100 suitable for use in embodiments of the present application. As shown in fig. 1, the wireless communication system 100 may include at least one network device, such as the network device 110 shown in fig. 1, and the wireless communication system 100 may further include at least one terminal device, such as the terminal device 120 shown in fig. 1. The network device and the terminal device may each be configured with multiple antennas, and the network device and the terminal device may communicate using multiple antenna technology.
When the network device and the terminal device communicate, the network device can manage at least one cell, and an integral number of terminal devices can be arranged in one cell. Alternatively, the network device 110 and the terminal device 120 constitute a single-cell communication system, and the cell is denoted as cell #1 without loss of generality. Network device 110 may be a network device in cell #1 or network device 110 may serve a terminal device (e.g., terminal device 120) in cell #1.
A cell is understood to be an area within the coverage of a radio signal of a network device.
It should be appreciated that fig. 1 is a simplified schematic diagram that is merely illustrative for ease of understanding, and that other network devices or other terminal devices may also be included in the wireless communication system 100, which are not shown in fig. 1. The embodiment of the application can be applied to any communication scene of communication between the sending end equipment and the receiving end equipment.
To facilitate an understanding of the embodiments of the present application, the terminology involved in the present application will be briefly described.
1. Paging (paging)
The terminal device may periodically receive pages while in an idle state or an inactive state. As an example, the procedure of the terminal device performing the reception of the page includes the following steps.
1) The terminal device may calculate, according to its identifier (UE ID), a Paging Frame (PF) and a Paging Occasion (PO) position in the PF.
2) The terminal device monitors a physical downlink control channel (physical downlink control channel, PDCCH) (e.g., may also be referred to as paging PDCCH) in the PO, the PDCCH including downlink control information (downlink control information, DCI) (e.g., may also be referred to as paging DCI).
3) If the terminal device detects the PDCCH, the terminal device receives a physical downlink shared channel (physical downlink shared channel, PDSCH) (e.g., may also be referred to as paging PDSCH) at the PDCCH scheduled location. Paging PDSCH includes a paging message (paging message) that indicates which terminal devices are paged. As an example, the paging PDSCH contains at most 32 paging records (paging records), and each paging record may contain a UE ID, where the UE ID is used to indicate which UE is paged.
Paging can be divided into two categories: one is core network paging (CN paging) and the other is access network paging (RAN paging).
1) Paging by a core network: the paging received when the UE is in idle state is initiated by the core network, and the core network sends the UE ID of the paged UE to the network equipment which is about to send paging information. For core network paging, the UE ID is a 5G system architecture evolution (system architecture evolution, SAE) temporary mobile subscriber identifier (5G SAE temporary mobile station identifier,5G-S-TMSI) of length, e.g., 48 bits. The 5G-S-TMSI may be allocated by an access and mobility management function (access and mobility management function, AMF).
2) Paging by an access network: refers to paging received when the UE is in an inactive state, initiated by a network device, which may send the UE ID of the paged UE to other network devices that are to send paging information. The network device is a base station corresponding to a cell in which the UE is located when the UE is converted from a connected state to an inactive state. This cell may also be referred to as the last serving cell (last serving cell). For access network paging, the UE ID is an inactive radio network temporary identity (inactive radio network temporary identifier, I-RNTI) with a length of e.g. 40 bits. The I-RNTI may be assigned by last serving cell.
It should be understood that the above-described procedure for performing paging reception is merely exemplary, and reference may be made to related standards, for example, and the present application is not limited thereto.
2. Main circuit and wake-up circuit
In general, the same receiving module, the same receiver, or the same receiving circuit is used when the terminal device performs the procedure of receiving paging in the idle state or the inactive state, or when the terminal device performs data reception in the connected state. In the present application, for convenience of description, a module that performs these functions or performs the relevant steps is referred to as a main circuit. It will be appreciated that the main circuit is just a name for distinction, and its specific name does not limit the scope of the present application. For ease of description, the following will collectively be described as a main circuit.
The signals received by the terminal device using the main circuit may be referred to as being transmitted over the main circuit, wherein the main circuit characterizes a connection between the terminal device and the network device as a logical concept, not as a physical entity. It will be appreciated that the primary link is merely a naming for distinction, and its specific naming does not limit the scope of the present application.
When the terminal device receives the page by adopting the main circuit, the power consumption is higher. For example, when the terminal device receives paging, the receiving module of the main circuit is used to receive the downlink signal first, then the terminal device performs blind detection on the PDCCH, decodes the received PDSCH, and so on, which all bring about large power consumption. In addition, since the main circuit is complicated, reference power consumption or static power consumption in operation is high.
In order to reduce the power consumption of the terminal device for receiving the page, one possible approach is that the terminal device may receive the signal using a separate low power small circuit, which may be referred to as a low power wake-up signal (low power wake up signal, LP-WUS) or wake-up signal. As an example, the wake-up signal may be used to indicate paging related information, which may include, for example: whether a terminal device or a group of terminal devices is paged. The low-power consumption small circuit can be realized by using a single small circuit or chip with a simple structure, and the power consumption is lower. The low power consumption small circuit may be referred to as a Wake Up Radio (WUR), or may be referred to as a wake up circuit, or may be referred to as a low power consumption circuit, or may be referred to as a Wake Up Receiver (WUR), or the like, for example, and the application is not limited with respect to its naming. In the present application, for convenience of description, the low power consumption small circuit is referred to as a wake-up circuit. It will be appreciated that the wake-up circuit is only named for distinction, and its specific naming does not limit the scope of the present application. For ease of description, the following collectively describes a wake-up circuit. In addition, hereinafter, for convenience of explanation, a signal received by the terminal device using the wake-up circuit is referred to as a wake-up signal.
The signal received by the terminal device using the wake-up circuit may be referred to as being transmitted over a wake-up link, wherein the wake-up link characterizes a connection between the terminal device and the network device as a logical concept rather than as a physical entity. It will be appreciated that the wake-up link is just a name given for distinction, the specific naming of which does not limit the scope of the present application.
As an example, fig. 2 shows a schematic diagram of a terminal device receiving a wake-up signal through a wake-up circuit.
As shown in fig. 2, when the terminal device receives a signal by using the wake-up circuit, if the terminal device does not detect the wake-up signal associated with the terminal device, the terminal device continues to use the wake-up circuit to receive the signal, and the main circuit can be in a closed state or a sleep state; if the terminal device detects a wake-up signal associated with itself, it triggers the wake-up of the main circuit, i.e. the main circuit is put/switched to an on state, which may also be referred to as an active state or an active state. After the main circuit is turned on, the terminal device may perform a paging receiving process, for example, the terminal device receives a paging PDCCH, and after detecting the paging PDCCH by its corresponding PO, receives a paging PDSCH. Or after the main circuit is started, the terminal equipment can directly execute the access flow. At this time, the wake-up signal received by the wake-up circuit may directly indicate the UE to be paged, and after the terminal device starts the main circuit, the terminal device does not need to receive the paging through the main circuit, but directly initiates the random access.
To ensure power consumption benefits, the wake-up signal may be modulated using on-off key (OOK) or may also be modulated using frequency shift key (frequency shift keying, FSK). The two modulation schemes are briefly described below.
1) OOK: the information is modulated by using the signal transmission or not, and the corresponding wake-up circuit can receive the signal by adopting an envelope detection method. The OOK modulation technique allows demodulation to be achieved with a receiver of low complexity, thus achieving the goal of low power consumption of the wake-up circuit.
As an example, fig. 3 shows a waveform diagram when the wake-up signal adopts OOK modulation.
When the signal is OOK modulated, each bit, i.e. the encoded bit, may correspond to a symbol (symbol). One symbol may also be referred to as a chip (chip) or other name, without limitation.
For example, when the bit is 1, there is a signal emission within the symbol length (i.e., the signal emission power within the symbol length is not 0); when the bit is 0, no signal is sent in the symbol length (i.e., the signal transmission power in the symbol length is 0). As shown in fig. 3, the waveform shown in fig. 3 may represent 1010 four bits.
For another example, when the bit is 0, there is a signal emission within the symbol length (i.e., the signal emission power within the symbol length is not 0); when the bit is 1, no signal is sent in the symbol length (i.e., the signal transmission power in the symbol length is 0). In this case, the waveform shown in fig. 3 may represent 0101 four bits.
2) FSK: is a modulation technique that modulates information on a carrier frequency. When FSK modulation is used, one symbol may carry at least one bit of information. For example, assuming a sequence of 0,1 information bits to be transmitted, there are 4 possible positions of the modulated signal in the frequency domain. For example, the sending frequency is f 1 The signal representing transmission of a bit "00" with a transmission frequency f 2 The signal representing transmission of a bit "01" with a transmission frequency f 3 The signal representing transmission of the bit "10" with a transmission frequency f 4 Representing the transmitted bit "11". At the receiving end, a frequency discrimination circuit can be used to detect the frequency of the received signal. If the detected signal frequency is f 1 Judging the received bit to be 00; if the detected signal frequency is f 2 JudgingThe received bit is broken to be 01; if the detected signal frequency is f 3 Judging the received bit to be 10; if the detected signal frequency is f 4 The received bit is judged to be 11.
The terms related to the present application are briefly described above, and will not be repeated in the following examples.
If the terminal device receives the wake-up signal on the wake-up link all the time, larger power consumption is also brought. Therefore, in order to further reduce the power consumption of the terminal device, discontinuous reception (discontinuous reception, DRX) mode of operation may be employed on the wake-up link. For example, the network device may configure a monitoring window (monitoring window) for wake-up signals, and the wake-up circuit of the terminal device monitors the wake-up signals in monitoring window, i.e. the wake-up circuit of the terminal device may not need to monitor the wake-up signals outside monitoring window, which may further reduce the power consumption of the terminal device. If monitoring window is configured too long, the power consumption benefits will be reduced; if monitoring window is configured too short, the delay of some terminal devices may be increased. For example, if 10 paging messages can be transmitted in one monitoring window, but more than 10 terminal devices in the group corresponding to monitoring window need to be paged, it may happen that some terminal devices cannot be paged in the current monitoring window, but are paged in the next monitoring window, which increases the delay of the some terminal devices.
In view of this, the present application proposes a scheme that can simultaneously consider the power consumption of the terminal device and the delay of the terminal device. For example, the terminal device may determine whether to monitor the wake-up signal for a period of time after the time window based on the result of monitoring the wake-up signal for the time window. For another example, the network device may send the wake-up signals in a certain rule, where the identifiers of the terminal devices indicated by the wake-up signals are arranged in an ascending or descending order, so that the terminal device may determine whether to continue to monitor the wake-up signals according to the self identifier and the monitored identifier of the wake-up signal.
It will be appreciated that the term "and/or" is merely one association relationship describing the associated object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
The method for signal transmission according to the embodiment of the present application will be described in detail with reference to the accompanying drawings. The embodiment provided by the application can be applied to the network architecture shown in fig. 1, and is not limited.
Fig. 4 is a schematic diagram of a signal transmission method 400 according to an embodiment of the application. The method 400 may include the following steps.
The terminal device monitors 410 a wake-up signal for information indicating at least one terminal device that needs to be woken up within a first time window.
Wherein the wake-up signal represents a signal received by the terminal device using the wake-up circuit. The embodiment of the present application is not limited with respect to the specific content of the wake-up signal. In an embodiment of the application, the wake-up signal represents a class of signals, i.e. signals transmitted over a wake-up link, which is defined as wake-up signal for a certain terminal device.
One possible implementation of the terminal device being awakened is by paging, such as core network paging or access network paging, i.e. the wake-up signal may be used to indicate paging information of at least one terminal device. As an example, the wake-up signal may be used to indicate an identity of at least one terminal device. For example, if the core network pages, the terminal device may be identified as 5G-S-TMSI. For another example, if the access network pages, the identity of the terminal device may be an I-RNTI. The identity of the terminal device may be other. For example, to reduce the overhead of the wake-up signal, the identity of a terminal device shorter than the 5G-S-TMSI or I-RNTI length may be indicated by the wake-up signal. In a possible case, the identification of the terminal device of shorter length may be network device-configured to the terminal device.
The first time window represents a time window configured by the network device for monitoring the wake-up signal for the terminal device, that is, the terminal device monitors the wake-up signal in the first time window configured by the network device. For example, the first time window comprises N time units within which the terminal device may monitor for a wake-up signal. Where N is an integer greater than or equal to 1, where N may be configured by the network device, or may be predefined, e.g., predefined by a standard, without limitation. As an example, the first time window may be periodic.
A time unit, which may be a symbol, or a mini-slot, or a subframe, either an opportunity (occasin), or a monitoring opportunity (monitoring occasion), or a transmission opportunity (transmission occasion), without limitation. A time unit may comprise a continuous period of time or may comprise a plurality of discrete periods of time. Fig. 5 shows a schematic diagram of a time cell. As shown in fig. 5 (1), one time unit may include a continuous period of time. As shown in (2) of fig. 5, different time units are interleaved mapped, and one time unit may include a plurality of discontinuous pieces of time. For ease of illustration, the following description is mainly given by taking the case that one time unit includes a continuous time as an example, it will be understood that the schemes described below are also applicable to a scenario that one time unit includes a plurality of discontinuous times.
In some cases, a wake-up signal may be transmitted within a time unit; in other cases, at least two wake-up signals may be transmitted within a time unit, e.g. different wake-up signals may occupy different frequency domain positions within the same time unit.
It will be appreciated that, in the embodiments of the present application, reference is made to a time window for a plurality of times, and the time window may be replaced by a time period or a time interval or similar concepts, and the naming thereof does not limit the scope of protection of the embodiments of the present application.
And 420, the terminal equipment determines whether to monitor the wake-up signal in a first time period after the first time window according to the result of monitoring the wake-up signal in the first time window.
In a possible scenario, the terminal device monitors the wake-up signal for a first period of time after the first time window based on the result of monitoring the wake-up signal for the first time window.
In another possible scenario, the terminal device does not monitor the wake-up signal for a first period of time after the first time window, depending on the result of monitoring the wake-up signal for the first time window. As an example, the network device may not be configured for the first period when the terminal device does not monitor the wake-up signal for the first period, i.e. the first period may be configured in case the terminal device needs to monitor the wake-up signal. As another example, the terminal device may not start the first period when the terminal device does not monitor the wake-up signal for the first period, e.g., when the terminal device determines not to monitor the wake-up signal for the first period when the first period is controlled by a timer; the terminal device may start the timer when the terminal device determines to monitor for a wake-up signal during the first period of time. In this regard, the description thereof will not be repeated.
According to the embodiment of the application, the terminal equipment can determine whether to continue monitoring the wake-up signal in a period of time after the first time window according to the result of monitoring the wake-up signal in the first time window. Thus, on the one hand, the duration of the first time window may be configured to be short to save energy. On the other hand, if the terminal device determines that the wake-up signal is not monitored in the first time period after the first time window according to the result of monitoring the wake-up signal in the first time window, the terminal device may not need to monitor the wake-up signal continuously in the first time period after the first time window, so as to reduce the function of the terminal device.
Further optionally, if the length of the first time window is shorter, it may happen that part of the terminal devices cannot be paged in the first time window, for which part of the terminal devices, the network device may send a corresponding wake-up signal in a period of time after the first time window, and correspondingly, the terminal device may determine whether to continue to monitor the wake-up signal in a period of time after the first time window according to a result of monitoring the wake-up signal in the first time window. In this way, even if a part of terminal devices cannot be awakened within the first time window, the part of terminal devices can be awakened within a period of time (i.e., the first time period) after the first time window, and compared with the case that the part of terminal devices need to be awakened within the next time window or other time windows (such as a longer interval between time windows; for example, other terminal devices may need to be awakened first in the next time window or other time windows, and then the part of terminal devices are awakened), the scheme of the embodiment of the application can also reduce the time delay brought by the awakening of the terminal devices.
Accordingly, the network device may also determine whether to transmit the wake-up signal in a first time period after the first time window based on the case that the wake-up signal is transmitted in the first time window. It will be appreciated that the network device determines to transmit the wake-up signal within a first time period after the first time window, and does not limit that the network device must transmit the wake-up signal within the first time period. Wherein determining that the wake-up signal is transmitted in a first time period after the first time window means that the wake-up signal is determined to be transmittable in the first time period after the first time window, or means that the wake-up signal is allowed to be transmitted in the first time period after the first time window, or means that the wake-up signal is determined to be transmittable in the first time period after the first time window. In actual communication, in case the network device determines that the wake-up signal can be sent within the first time period, whether the network device sends the wake-up signal depends mainly on whether there are terminal devices to be woken up.
The first time period is also understood to be the extended monitoring time of the first time window. Optionally, the starting position of the first time period is the same as the ending position of the first time window.
The time length of the first time period and the time length of the first time window may be the same or different, and are not limited. For example, the time length of the first time period is the same as the time length of the first time window. For another example, the length of time of the first time period is greater than the length of time of the first time window. As another example, the length of time of the first time period is less than the length of time of the first time window.
In one possible form, the time length of the first time period and the time length of the first time window satisfy a relationship: such as t1=f (T2). T1 represents the time length of the first time window, T2 represents the time length of the first time period, and f () represents a function. As an example, the network device may send the above-mentioned relationship to the terminal device, or the above-mentioned relationship may be predefined, e.g. predefined by a standard, without limitation.
Optionally, the method 400 further comprises: the terminal device receives configuration information, the configuration information comprising at least one of: information of the first time window, or information of the first time period. In one possible implementation, the network device sends configuration information on the main link, and the terminal device receives the configuration information through the main receiver on the main link, accordingly. As an example, the configuration information may be carried in a system information block (system information block, SIB).
In one example, a terminal device receives configuration information including information for a first time window.
In this example, the terminal device may learn information of the first time window based on the configuration information. Further alternatively, the terminal device may determine the information of the first time period according to a relationship between the first time window and the first time period. For example, if the starting position of the first time period is the same as the ending position of the first time window, the time length of the first time period and the time length of the first time window satisfy t1=f (T2), the terminal device may determine the starting position of the first time period according to the ending position of the first time window, and determine the time length of the first time period according to t1=f (T2), and may further determine the first time period.
In another example, a terminal device receives configuration information including information for a first time period.
In this example, the terminal device may learn information of the first time period based on the configuration information. Further alternatively, the terminal device may determine the information of the first time window according to a relationship between the first time window and the first time period. For example, if the starting position of the first time period is the same as the ending position of the first time window, the time length of the first time period and the time length of the first time window satisfy t1=f (T2), the terminal device may determine the ending position of the first time window according to the starting position of the first time period, and determine the time length of the first time window according to t1=f (T2), and may further determine the first time window.
Optionally, in step 420, the terminal device determines whether to monitor the wake-up signal in a first period of time after the first time window according to a result of monitoring the wake-up signal in the first time window, by any one of the following manners.
In mode 1, if the terminal device monitors a wake-up signal in each time unit in the first time window, the terminal device monitors the wake-up signal in the first time period; if the terminal device does not monitor the wake-up signal in at least one time unit in the first time window, the terminal device does not monitor the wake-up signal in the first time period.
Or if the number of the wake-up signals monitored by the terminal equipment in the first time window is N, the terminal equipment monitors the wake-up signals in the first time period; if the number of wake-up signals monitored by the terminal device in the first time window is smaller than N, the terminal device does not monitor the wake-up signals in the first time period.
For example, if the terminal device monitors the wake-up signal every time unit in the first time window, there may be more paging information to be transmitted, so the terminal device may continue to monitor the wake-up signal in the first time period, so that the network device may quickly transmit the wake-up signal that cannot be transmitted in the first time window in the first time period, thereby reducing the delay. If the terminal device does not monitor the wake-up signal in at least one time unit in the first time window, the paging information which is likely to be transmitted is transmitted in the first time window, so that the terminal device can not monitor the wake-up signal continuously in the first time period, thereby shortening the monitoring time of the terminal device and reducing the power consumption of the terminal device. Based on this mode 1, the duration of the first time window can be configured to be short to save energy. In addition, due to the short length of the first time window, it may happen that part of the terminal devices cannot be paged in the first time window, for which part of the terminal devices the network device may send a corresponding wake-up signal in a period of time after the first time window, and the corresponding terminal device may determine whether to continue to monitor the wake-up signal in the first period according to mode 1, so as to reduce the time delay.
As an example, fig. 6 shows a schematic diagram applicable to mode 1.
As shown in fig. 6 (1), if the terminal device monitors the wake-up signal at each time unit within the first time window, the terminal device continues to monitor the wake-up signal for the first time period. As shown in fig. 6 (2), if the terminal device does not monitor the wake-up signal at least one time unit in the first time window, that is, the wake-up signal is transmitted in a part of the time unit in the first time window, the terminal device does not monitor the wake-up signal in the first time period.
Mode 1 is mainly described from the point of view of the terminal device, and it is understood that the network device side is also similar. For example, if the network device transmits a wake-up signal for each time unit within the first time window, the network device may transmit the wake-up signal for the first time period; if the network device does not transmit a wake-up signal for at least one time unit within the first time window, the network device may not transmit a wake-up signal for the first time period.
Mode 2, if the terminal device does not monitor the wake-up signal in the last N1 time units in the first time window, the terminal device does not monitor the wake-up signal in the first time period; if the terminal device monitors the wake-up signal in the last N1 time units in the first time window, the terminal device monitors the wake-up signal in the first time period. Wherein N1 is an integer greater than or equal to 1, and N1 is less than N.
Or if the number of the wake-up signals monitored by the terminal equipment in the last N1 time units of the first time window is N1, the terminal equipment monitors the wake-up signals in the first time period; if the number of wake-up signals monitored by the terminal device in the last N1 time units of the first time window is smaller than N1, the terminal device does not monitor the wake-up signals in the first time period.
The fact that the terminal device does not monitor the wake-up signal in the last N1 time units in the first time window indicates that the terminal device does not monitor the wake-up signal in any one of the last N1 time units in the first time window, that is, the number of wake-up signals monitored by the terminal device in the last N1 time units in the first time window is smaller than N1 is not described in detail below. N1 may be configured for the network device or may be predefined, such as standard predefined, without limitation.
For example, it is considered that the paging message of some terminal devices arrives in the middle or at the tail of the first time window, i.e. the last N1 time units arrive, and the paging message cannot be sent out until the end position of the first time window. Therefore, if the terminal device monitors the wake-up signal in the last N1 time units in the first time window, the terminal device can continuously monitor the wake-up signal in the first time period, so that the network device can quickly send the wake-up signal which cannot be sent in the first time window, and the wake-up signal which cannot be sent in the first time window can be quickly sent in the first time period, thereby reducing the time delay. If the terminal device does not monitor the wake-up signal in any one of the last N1 time units in the first time window, the paging information which is likely to be transmitted is transmitted in the first time window, so that the terminal device can not monitor the wake-up signal continuously in the first time window, thereby shortening the monitoring time of the terminal device and reducing the power consumption of the terminal device. Based on this mode 2, the duration of the first time window can be configured to be short to save energy. In addition, due to the short length of the first time window, it may happen that part of the terminal devices cannot be paged in the first time window, for which part of the terminal devices the network device may send a corresponding wake-up signal in a period of time after the first time window, and the corresponding terminal device may determine whether to continue to monitor the wake-up signal in the first period according to mode 2, so as to reduce the time delay.
As an example, fig. 7 shows a schematic diagram applicable to mode 2.
As shown in (1) of fig. 7, assuming n1=1, if the terminal device monitors the wake-up signal at the last time unit in the first time window, the terminal device continues to monitor the wake-up signal for the first time period. As shown in fig. 7 (2), if the terminal device does not monitor the wake-up signal at the last time unit in the first time window, the terminal device does not monitor the wake-up signal in the first time period.
Mode 2 is described mainly from the point of view of the terminal device, and it is understood that the network device side is also similar. For example, if the network device transmits a wake-up signal in the last N1 time units within the first time window, the network device may transmit the wake-up signal in the first time period; if the network device does not transmit the wake-up signal in any one of the last N1 time units in the first time window, the network device may not transmit the wake-up signal in the first time period.
In the mode 3, if the terminal device monitors the wake-up signal in N2 time units in the first time window, the terminal device monitors the wake-up signal in the first time period; if the terminal device does not monitor the wake-up signal in the N2 time units in the first time window, the terminal device does not monitor the wake-up signal in the first time period. Wherein N2 is an integer greater than or equal to 1, and N2 is less than N.
Or if the number of the wake-up signals monitored by the terminal equipment in the first time window is N2, the terminal equipment monitors the wake-up signals in the first time period; if the number of wake-up signals monitored by the terminal device in the first time window is smaller than N2, the terminal device does not monitor the wake-up signals in the first time period.
The fact that the terminal device does not monitor the wake-up signal in N2 time units in the first time window indicates that the terminal device does not monitor the wake-up signal in any one of the N2 time units in the first time window, that is, the number of the wake-up signals monitored by the terminal device in the first time window is less than N2, which is not described in detail below. N2 may be configured for the network device or may be predefined, such as standard predefined, without limitation.
For example, if the terminal device monitors the wake-up signal for N2 time units in the first time window, more paging information may need to be sent, so the terminal device may continue to monitor the wake-up signal in the first time period, so that the network device may quickly send the wake-up signal that cannot be sent in the first time window, thereby reducing the delay. If the terminal device does not monitor the wake-up signal in any one of the N2 time units in the first time window, the paging information which is likely to be transmitted is already transmitted in the first time window, or the paging information in the first time window is less, so that the terminal device can not monitor the wake-up signal continuously in the first time period, thereby shortening the monitoring time of the terminal device and reducing the power consumption of the terminal device. Based on this approach 3, the duration of the first time window can be configured to be short to save energy. In addition, since the length of the first time window is shorter, it may happen that a part of terminal devices cannot be paged in the first time window, for the part of terminal devices, the network device may send a corresponding wake-up signal in a period of time after the first time window, and accordingly, the terminal device may determine whether to continue to monitor the wake-up signal in the first period of time according to mode 3, so as to reduce the time delay.
It will be appreciated that the manner 3 described above is an exemplary illustration, and that embodiments of the present application are not limited. For example, if the number of wake-up signals monitored by the terminal device in the first time window is greater than or equal to the threshold value, the terminal device monitors the wake-up signals in the first time period; if the number of wake-up signals monitored by the terminal device in the first time window is smaller than the threshold value, the terminal device does not monitor the wake-up signals in the first time period. The threshold may be predefined, such as standard predefined, or may be configured by the network device without limitation.
Mode 3 is described mainly from the point of view of the terminal device, and it is understood that the network device side is also similar. For example, if the network device transmits a wake-up signal for N2 time units within the first time window, the network device may transmit the wake-up signal for the first time period; if the network device transmits the wake-up signal in less than N2 time units within the first time window, the network device may not transmit the wake-up signal within the first time period.
In mode 4, in step 410, the terminal device monitors the wake-up signal in the first time window, and the identifier of the terminal device indicated by the wake-up signal includes the first identifier, and then the terminal device determines whether to monitor the wake-up signal in the first time period according to the identifier of the terminal device and the first identifier.
For example, the network device may send a wake-up signal according to a certain rule, where the wake-up signal is used to indicate paging information of at least one terminal device, for example, sending paging information in ascending paging ID order or descending paging ID order, so that the terminal device may determine whether to monitor the wake-up signal in the first period according to its paging ID and the paging ID indicated by the wake-up signal. Based on this mode 4, the duration of the first time window may be configured to be longer, so as to avoid a situation that a part of terminal devices cannot be paged in the first time window. Furthermore, the terminal device may determine whether to continue monitoring the wake-up signal for the first period of time to save power according to mode 4.
Several possible scenarios are presented below.
In a first possible scenario, the network device sends paging information in ascending paging ID, i.e. when the terminal device detects at least two wake-up signals within the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is greater than the identity of the terminal device indicated by the wake-up signal monitored earlier.
For example, the terminal device monitors 3 wake-up signals within the first time window, such as wake-up signal 1, wake-up signal 2 and wake-up signal 3, respectively, in which case the identity of the terminal device indicated by wake-up signal 3 is larger than the identity of the terminal device indicated by wake-up signal 2, and the identity of the terminal device indicated by wake-up signal 2 is larger than the identity of the terminal device indicated by wake-up signal 1.
In this case, the terminal device determines, according to the identity of the terminal device and the first identity, whether to monitor the wake-up signal in a first period of time, including: if the identification of the terminal equipment is larger than the first identification, the terminal equipment monitors a wake-up signal in a first time period; if the identifier of the terminal device is smaller than the first identifier, the terminal device does not monitor the wake-up signal in the first time period. Wherein the first identity may represent a maximum identity indicated by a wake-up signal sent by the network device within the first time window. For example, the network device sends at least two wake-up signals within a first time window, the at least two wake-up signals respectively indicating identities of at least two terminal devices, the first identity being a largest one of the identities of the at least two terminal devices. It will be appreciated that if the identity of the terminal device is equal to the first identity, this means that the wake-up signal monitored by the terminal device is used to wake up the terminal device itself, so the terminal device may not need to determine whether to monitor the wake-up signal during the first period, i.e. the terminal device does not monitor the wake-up signal during the first period.
Optionally, if the identifier of the terminal device is smaller than the first identifier, the terminal device stops monitoring the wake-up signal in the first time window. Based on this mode, since the network device sends the paging information in the ascending paging ID manner in the first time window, if the identifier of the terminal device is smaller than the first identifier, the terminal device may stop monitoring the wake-up signal in the first time window, so as to further reduce the power consumption of the terminal device. Specifically, the details are described later in connection with method 1100.
It will be appreciated that if the first time window is periodic, the terminal device stops monitoring the wake-up signal in the first time window, which means that the terminal device stops monitoring the wake-up signal in the first time window of the current period, which does not limit the terminal device to stop monitoring the wake-up signal in all the first time windows. In this regard, the description thereof will not be repeated.
In a second possible scenario, the network device sends paging information in descending paging ID order, i.e. when the terminal device detects at least two wake-up signals within the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is smaller than the identity of the terminal device indicated by the wake-up signal monitored earlier.
For example, the terminal device monitors 3 wake-up signals within the first time window, such as wake-up signal 1, wake-up signal 2 and wake-up signal 3, respectively, in which case the identity of the terminal device indicated by wake-up signal 3 is smaller than the identity of the terminal device indicated by wake-up signal 2, and the identity of the terminal device indicated by wake-up signal 2 is smaller than the identity of the terminal device indicated by wake-up signal 1.
In this case, the terminal device determines, according to the identity of the terminal device and the first identity, whether to monitor the wake-up signal in a first period of time, including: if the identification of the terminal equipment is smaller than the first identification, the terminal equipment monitors a wake-up signal in a first time period; if the identifier of the terminal device is greater than the first identifier, the terminal device does not monitor the wake-up signal in the first time period. Wherein the first identity may represent a smallest identity indicated by a wake-up signal sent by the network device within the first time window. For example, the network device sends at least two wake-up signals within a first time window, the at least two wake-up signals respectively indicating identities of at least two terminal devices, the first identity being a smallest of the identities of the at least two terminal devices. It will be appreciated that if the identity of the terminal device is equal to the first identity, this means that the wake-up signal monitored by the terminal device is used to wake up the terminal device itself, so the terminal device may not need to determine whether to monitor the wake-up signal during the first period, i.e. the terminal device does not monitor the wake-up signal during the first period.
Optionally, if the identifier of the terminal device is greater than the first identifier, the terminal device stops monitoring the wake-up signal in the first time window. Based on this mode, since the network device sends paging information in descending order of paging IDs in the first time window, if the identifier of the terminal device is greater than the first identifier, the terminal device may stop monitoring the wake-up signal in the first time window, so as to further reduce power consumption of the terminal device. Specifically, the details are described later in connection with method 1100.
The foregoing is mainly described by taking the network device to send paging information in ascending or descending order of paging IDs as an example, and it is to be understood that embodiments of the present application are not limited thereto. The scheme that the network equipment sends the wake-up signal according to a certain rule, and the terminal equipment can determine whether the terminal equipment needs to monitor the wake-up signal according to the self identification and the identification indicated by the wake-up information is suitable for the embodiment of the application.
In addition, when the network device transmits paging information in ascending or descending order of paging IDs, the following cases may be included.
In one scenario, the network device transmits paging information in an ascending order within a first time window and transmits paging information in a descending order within the first time period. That is, when the terminal device monitors at least two wake-up signals in the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is larger than the identity of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals in the first time period, the identity of the terminal device indicated by the wake-up signal monitored later is smaller than the identity of the terminal device indicated by the wake-up signal monitored earlier.
In another scenario, the network device transmits paging information in a descending order within a first time window and transmits paging information in an ascending order within the first time period. That is, when the terminal device monitors at least two wake-up signals in the first time window, the identifier of the terminal device indicated by the wake-up signal monitored later is smaller than the identifier of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals in the first time period, the identifier of the terminal device indicated by the wake-up signal monitored later is larger than the identifier of the terminal device indicated by the wake-up signal monitored earlier.
In another scenario, the network device transmits paging information in an ascending order within a first time window and transmits paging information in an ascending order within the first time period. That is, when the terminal device monitors at least two wake-up signals in the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is greater than the identity of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals in the first time period, the identity of the terminal device indicated by the wake-up signal monitored later is greater than the identity of the terminal device indicated by the wake-up signal monitored earlier.
In another scenario, the network device transmits paging information in a descending order within a first time window and transmits paging information in a descending order within the first time period. That is, when the terminal device monitors at least two wake-up signals in the first time window, the identifier of the terminal device indicated by the wake-up signal monitored later is smaller than the identifier of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals in the first time period, the identifier of the terminal device indicated by the wake-up signal monitored later is smaller than the identifier of the terminal device indicated by the wake-up signal monitored earlier.
Mode 4 is described mainly from the point of view of the terminal device, and it is understood that the network device side is also similar.
For example, taking the first possible scenario described above as an example, the first identifier represents the largest identifier indicated by the wake-up signal sent by the network device within the first time window, and for an identifier of a certain terminal device (e.g. denoted as the identifier of the terminal device 1), the network device compares the identifier of the terminal device 1 with the first identifier. If the identifier of the terminal device 1 is greater than the first identifier, the network device determines that the wake-up signal corresponding to the terminal device 1 can be sent in a first time period; if the identity of the terminal device 1 is smaller than the first identity, the network device determines that the wake-up signal corresponding to the terminal device 1 cannot be sent in the first time period. Wherein the wake-up signal corresponding to the terminal device 1, i.e. the wake-up signal is used to indicate the identity of the terminal device 1 that needs to be woken up.
As another example, taking the second possible scenario described above as an example, the first identifier represents the smallest identifier indicated by the wake-up signal sent by the network device within the first time window, and for an identifier of a certain terminal device (e.g. denoted as the identifier of the terminal device 1), the network device compares the identifier of the terminal device 1 with the first identifier. If the identifier of the terminal device 1 is smaller than the first identifier, the network device determines that the wake-up signal corresponding to the terminal device 1 can be sent in the first time period; if the identifier of the terminal device 1 is greater than the first identifier, the network device determines that the wake-up signal corresponding to the terminal device 1 cannot be sent in the first period of time. Wherein the wake-up signal corresponding to the terminal device 1, i.e. the wake-up signal is used to indicate the identity of the terminal device 1 that needs to be woken up.
In manner 5, in step 410, the terminal device monitors first information in a first time window, where the first information is used to indicate that the monitoring of the wake-up signal is stopped, and then the terminal device does not monitor the wake-up signal in the first time period according to the first information.
Accordingly, the network device may also determine, based on the first information, that the wake-up signal may not be sent within the first period of time.
Based on the mode 5, the network device determines that no paging information needs to be sent, for example, no terminal device needs to be paged, or the paging in the buffer is sent completely, and the network device may send the first information to notify the terminal device to stop monitoring the wake-up signal, so as to reduce power consumption of the terminal device.
Optionally, the terminal device stops monitoring the wake-up signal within the first time window according to the first information. Based on this approach, since the network device has indicated to stop monitoring the wake-up signal, the terminal device may stop monitoring the wake-up signal within the first time window, so that the power consumption of the terminal device may be further reduced. Specifically, the details are described later in connection with method 1100.
Alternatively, mode 5 may be used in combination with any one of modes 1 to 4 and mode 6 below. Specifically, if the terminal device receives the first information, the monitoring of the wake-up signal may be stopped directly based on the first information, and the judgment of modes 1 to 4 and 6 may not be performed, or the judgment of modes 1 to 4 and 6 may be omitted.
Taking the combination of the mode 5 and the mode 4 as an example, for example, the network device sends paging information in a paging ID ascending order, if the paging IDs of the terminal devices are large, a situation that "paging IDs of all terminal devices paged by the network device are smaller than the paging ID of the terminal device" may occur, and at this time, the terminal device cannot stop monitoring in advance. Thus, if the network device determines that no paging information needs to be sent, e.g. no terminal device needs to page, or the paging in the buffer has been sent, during the first time window, the network device may send the first information to inform the terminal device to stop monitoring the wake-up signal. That is, the terminal device may not need to determine the identifier and the first identifier, and may directly stop monitoring the wake-up signal based on the first information.
The form of the first information is not limited.
In one possible form, the first information is an ID, such as a termination ID. The value of the termination ID may be predefined, such as standard predefined, or may be configured by the network device, without limitation. As an example, the termination ID has a value of all 1's or all 0's, or other values. For example, when mode 5 is used in combination with mode 4, if the network device transmits paging information in ascending order of paging IDs, the value of the termination ID may be set to all 1. For another example, when mode 5 is used in combination with mode 4, if the network device transmits paging information in descending order of paging IDs, the value of the termination ID may be set to all 0.
As another example, the first information may be in the form of a bit field. The format of the first information may be the same as or different from the format of the paging information; the format of the wake-up signal carrying the first information may be the same as or different from the format of the wake-up signal carrying the paging information, and is not limited.
Mode 6, if the terminal device monitors the wake-up signal in at least one time unit of the last N3 time units in the first time window, the terminal device monitors the wake-up signal in the first time period; if the terminal device does not monitor the wake-up signal in the last N3 time units in the first time window, the terminal device does not monitor the wake-up signal in the first time period. Wherein N3 is an integer greater than or equal to 1, and N3 is less than N.
Or if the number of the wake-up signals monitored by the terminal equipment in the last N3 time units of the first time window is greater than 0, the terminal equipment monitors the wake-up signals in the first time period; if the number of wake-up signals monitored by the terminal device in the last N3 time units of the first time window is 0, the terminal device does not monitor the wake-up signals in the first time period.
N3 may be configured for the network device or may be predefined, such as standard predefined, without limitation.
For example, it is considered that paging information of some terminal devices arrives in the middle or at the end of the first time window, i.e. a certain time unit of the last N3 time units or the last N3 time units arrives, and the paging information cannot be sent out before the end position of the first time window. Therefore, if the terminal device monitors the wake-up signal in at least one time unit of the last N3 time units in the first time window, the terminal device can continuously monitor the wake-up signal in the first time period, so that the network device can quickly transmit the wake-up signal which cannot be transmitted in the first time window, and the time delay can be reduced. If the terminal device does not monitor the wake-up signal in the last N3 time units in the first time window, the paging information which is likely to be transmitted is transmitted in the first time window, so that the terminal device can not monitor the wake-up signal continuously in the first time period, thereby shortening the monitoring time of the terminal device and reducing the power consumption of the terminal device. Based on this approach 6, the duration of the first time window can be configured to be short to save energy. In addition, due to the short length of the first time window, it may happen that part of the terminal devices cannot be paged in the first time window, for which part of the terminal devices the network device may send a corresponding wake-up signal in a period of time after the first time window, and the corresponding terminal device may determine whether to continue to monitor the wake-up signal in the first period according to mode 6, so as to reduce the time delay.
As an example, fig. 8 shows a schematic diagram applicable to mode 6.
As shown in (1) or (2) of fig. 8, assuming n3=2, if the terminal device monitors the wake-up signal in at least one time unit of the last 2 time units in the first time window, the terminal device continues to monitor the wake-up signal in the first time period. As shown in (3) of fig. 8, if the terminal device does not monitor the wake-up signal at the last 2 time units in the first time window, the terminal device does not monitor the wake-up signal in the first time period.
Mode 6 is described mainly from the point of view of the terminal device, and it is understood that the network device side is also similar. For example, if the network device transmits a wake-up signal in at least one of the last N3 time units within the first time window, the network device may transmit the wake-up signal in the first time period; if the network device does not transmit the wake-up signal in all of the last N3 time units in the first time window, the network device may not transmit the wake-up signal in the first time period.
The above description has been made with reference to the modes 1 to 6, in which the terminal device determines whether to monitor the wake-up signal in the first period after the first time window according to the result of monitoring the wake-up signal in the first time window, and it is to be understood that modes 1 to 6 are exemplary, and any modifications belonging to modes 1 to 6 are applicable to the embodiments of the present application.
The above-mentioned ways of how the terminal device monitors the wake-up signal are not limited, as to how to determine whether the terminal device monitors the wake-up signal. By way of example, two possible implementations are listed below.
One possible implementation is for the terminal device to perform energy detection in a time unit. If the detected energy is greater than the preset threshold, the terminal equipment can determine that the network equipment sends a wake-up signal, namely the terminal equipment monitors the wake-up signal; if the detected energy is smaller than the preset threshold, the terminal device may determine that the network device does not send the wake-up signal, i.e. the terminal device does not monitor the wake-up signal. The value of the preset threshold is not limited. For example, it may be predefined, as standard predefined, configured by the network device, or determined by the terminal device based on the channel measurement result.
In another possible implementation, the terminal device attempts to decode the signal monitored in the time unit, such as by performing a cyclic redundancy check (cyclic redundancy check, CRC) check. If the CRC passes, the terminal equipment can determine that the network equipment sends a wake-up signal, namely the terminal equipment monitors the wake-up signal; if the CRC check is not passed, the terminal device may determine that the network device does not send a wake-up signal, i.e. the terminal device does not monitor the wake-up signal.
As described above, the network device may be configured for the terminal device with a time window for monitoring wake-up signals. The network device may configure different time windows for different terminal devices, or different groups of terminal devices. Possible designs for the different time windows are presented below.
In a first possible scenario, the time window boundaries of different terminal devices coincide.
Taking the first time window and the second time window as examples, it is assumed that the first time window and the second time window are adjacent time windows, and based on this situation, the end position of the first time window coincides with the start position of the second time window. The second time window may represent a time window corresponding to the wake-up signal monitored by other terminal devices or other terminal device groups.
It will be appreciated that, in the embodiment of the present application, it is mentioned multiple times that the first time window and the second time window are adjacent time windows, which means that the second time window is the next time window of the first time window, that is, the second time window is the next time window of the first time window from the perspective of the network side, which does not define a time interval between the first time window and the second time window. In this regard, the description thereof will not be repeated.
In a first possible case, the end position of the first time window coincides with the start position of the second time window, and it is also understood that the time interval between the end position of the first time window and the start position of the second time window is 0. In this case, the first time period of the first time window and the second time window may have a coincidence, such as a partial coincidence or a full coincidence.
As an example, fig. 9 shows a schematic diagram of time window boundary coincidence of different terminal devices.
As shown in fig. 9, the time windows configured by the network device include a first time window, a second time window, a third time window, and a fourth time window, where the time lengths of the time windows are the same. As can be seen from fig. 9, the adjacent time windows overlap in boundary, i.e. the time interval between adjacent time windows is 0.
As shown in (1) of fig. 9, if the time length of the first time period is the same as the time length of the first time window, the first time period and the second time window all overlap. As shown in (2) of fig. 9, if the time length of the first time period is greater than the time length of the first time window, the first time period is fully overlapped with the second time window and partially overlapped with the third time window. As shown in (3) of fig. 9, if the time length of the first time period is smaller than the time length of the first time window, the first time period partially coincides with the second time window.
It will be appreciated that fig. 9 is an exemplary illustration and is not limited in this regard, e.g., the first time period of the first time window coincides with all of the second time window and the third time window.
In a second possible scenario, the time window boundaries of different terminal devices do not coincide, i.e. there is a certain interval between the time window boundaries of different terminal devices.
Taking the first time window and the second time window as examples, it is assumed that the first time window and the second time window are adjacent time windows, and based on this situation, the end position of the first time window is located before the start position of the second time window, that is, the end position of the first time window does not coincide with the start position of the second time window. The second time window may represent a time window corresponding to the wake-up signal monitored by other terminal devices or other terminal device groups.
In a second possible case, the end position of the first time window does not coincide with the start position of the second time window, and it is also understood that the time interval between the end position of the first time window and the start position of the second time window is greater than 0. In this case, the time interval between the end position of the first time window and the start position of the second time window may be, for example, the first time period, or may also be greater than the first time period, or may also be less than the first time period.
As an example, fig. 10 shows a schematic diagram of time window boundary misalignment of different terminal devices.
As shown in fig. 10, the time windows configured by the network device include a first time window, a second time window, and a third time window, and the time lengths of the time windows are the same. As can be seen from fig. 10, the adjacent time windows are not coincident in boundary, i.e., the time interval between adjacent time windows is greater than 0. As shown in fig. 10, a first time period of the first time window is spaced between the first time window and the second time window, and a second time period of the second time window is spaced between the second time window and the third time window. The first time period may be understood as an extended monitoring time corresponding to the first time window, and the second time period may be understood as an extended monitoring time corresponding to the second time window.
It will be appreciated that fig. 10 is an exemplary illustration, and is not limited in this regard, for example, the time interval between the first time window and the second time window may be greater than the first time period, or may be less than the first time period.
Assuming that the period of the time window configured by the network device is T, the length of the time window is W, the offset value (offset) of the first time window in one period is O, and the terminal device may determine the position where the first time window occurs in one period according to the above parameters. For example, assume that an index (index) of a time unit is time unit_index, and a paging ID of a terminal device is ue_id.
Based on the first possible scenario described above, the start time unit_index of the first time window of the terminal device may satisfy equation 1.
(time unit_index+o) mod t=w×1 (ue_id mod (T/W))
Where mod is the modulo operation.
Based on the second possible scenario described above, assuming that the length of the first period is E, the start time unit_index of the first time window of the terminal device may satisfy equation 2.
(time unit_index+o) mod t= (w+e) ×ue_id mod (T/(w+e))
It will be appreciated that the above formula is merely illustrative and is not intended to limit the scope of embodiments of the application. In calculating the above-described parameters, the calculation may be performed according to the above-described formula, or based on the modification of the above-described formula, or may be performed according to other methods to satisfy the result of the formula calculation.
Fig. 11 is a schematic diagram illustrating a method 1100 for signal transmission according to another embodiment of the present application. The method 1100 may include the following steps.
1110, the terminal device monitors a wake-up signal in a first time window, the wake-up signal being used for indicating information of at least one terminal device that needs to be woken up.
Step 1110 is similar to step 410, except that the first time window in method 1100 may be the first time window in method 400, or the first time window in method 1100 may be the first time window and the first time period in method 400, i.e., the first time window and the first time period in method 400 are collectively the first time window in method 1100.
And 1120, the terminal equipment determines whether to continue monitoring the wake-up signal in the first time window according to the result of monitoring the wake-up signal in part of the duration in the first time window.
The terminal device may determine whether to continue monitoring the wake-up signal within the first time window based on a result of monitoring the wake-up signal within the first time window, e.g., the terminal device may determine whether to continue monitoring the wake-up signal within the first time window based on a result of monitoring the wake-up signal within a portion of a duration within the first time window. The terminal device determines whether to continue monitoring the wake-up signal in the first time window according to the result of monitoring the wake-up signal in a part of the duration in the first time window, namely, the terminal device determines whether to continue monitoring the wake-up signal in the first time window according to the result of the wake-up signal already monitored in the first time window (or the result of the wake-up signal being monitored).
In a possible scenario, the terminal device continues to monitor the wake-up signal during the first time window based on the result of monitoring the wake-up signal during a portion of the first time window.
In another possible scenario, the terminal device stops continuously monitoring the wake-up signal in the first time window according to the result of monitoring the wake-up signal in a part of the duration in the first time window. If the first time window is periodic, the terminal device stops monitoring the wake-up signal in the first time window, which means that the terminal device stops monitoring the wake-up signal in the first time window of the current period, and the terminal device is not limited to stop monitoring the wake-up signal in all the first time windows. In this regard, the description thereof will not be repeated.
According to the embodiment of the application, the terminal equipment can determine whether to continue monitoring the wake-up signal in the first time window according to the result of monitoring the wake-up signal in the partial duration of the first time window. In this way, the duration of the first time window may be configured to be longer in order to avoid situations where a portion of the terminal devices cannot be paged within the first time window. In addition, the terminal device may determine whether to continue monitoring the wake-up signal in the first time window according to the result of monitoring the wake-up signal in a part of the duration in the first time window, so as to reduce power consumption of the terminal device.
Accordingly, the network device may also determine whether to continue transmitting the wake-up signal within the first time window according to the case that the wake-up signal is transmitted within the first time window. It will be appreciated that determining to continue to transmit the wake-up signal within the first time window does not limit that the network device must continue to transmit the wake-up signal within the first time window. Wherein determining to continue transmitting the wake-up signal within the first time window indicates that the wake-up signal may be determined to continue transmitting the wake-up signal within the first time window, or indicates that the wake-up signal is allowed to continue transmitting within the first time window. In actual communication, in case the network device determines that the wake-up signal can be sent further within the first time window, whether the network device sends the wake-up signal depends mainly on whether there are terminal devices to be woken up.
Optionally, the method 1100 further comprises: the terminal device receives configuration information comprising information of a first time window. In one possible implementation, the network device sends configuration information on the main link, and the terminal device receives the configuration information on the main link accordingly. As an example, the configuration information may be carried in SIBs.
Optionally, in step 1120, the terminal device determines whether to monitor the wake-up signal in the first time window according to the result of monitoring the wake-up signal in a part of the duration in the first time window, which is implemented in any of the following ways.
In the mode a, in step 1110, the terminal device monitors the wake-up signal in the first time window, and the identifier of the terminal device indicated by the wake-up signal includes the first identifier, and then the terminal device determines whether to continue to monitor the wake-up signal in the first time window according to the identifier of the terminal device and the first identifier.
For example, the network device may send a wake-up signal according to a certain rule, where the wake-up signal is used to indicate paging information of at least one terminal device, for example, sending paging information in ascending paging ID order or descending paging ID order, so that the terminal device may determine whether to continue to monitor the wake-up signal in the first time window according to its paging ID and the paging ID indicated by the wake-up signal. Based on this manner, the duration of the first time window may be configured to be longer, so as to avoid a situation that a part of terminal devices cannot be paged in the first time window. Furthermore, the terminal device may determine according to this manner whether to continue monitoring the wake-up signal for a first time window to save power.
Several possible scenarios are presented below.
In a first possible scenario, the network device sends paging information in ascending paging ID, i.e. when the terminal device detects at least two wake-up signals within the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is greater than the identity of the terminal device indicated by the wake-up signal monitored earlier. Specific reference may be made to the description of method 400, which is not repeated here.
In this case, the terminal device determines, according to the identifier of the terminal device and the first identifier, whether to continue monitoring the wake-up signal within the first time window, including: if the identifier of the terminal equipment is larger than the first identifier, the terminal equipment continuously monitors the wake-up signal in a first time window; if the identifier of the terminal equipment is smaller than the first identifier, the terminal equipment stops continuously monitoring the wake-up signal in the first time window. Wherein the first identity may represent a maximum identity indicated by a wake-up signal sent by the network device within the first time window. For example, the network device sends at least two wake-up signals within a first time window, the at least two wake-up signals respectively indicating identities of at least two terminal devices, the first identity being a largest one of the identities of the at least two terminal devices. It can be appreciated that if the identifier of the terminal device is equal to the first identifier, this means that the wake-up signal monitored by the terminal device is used to wake up the terminal device itself, so the terminal device may not need to determine whether to continue monitoring the wake-up signal in the first time window, that is, the terminal device stops to continue monitoring the wake-up signal in the first time window.
As an example, fig. 12 shows a schematic diagram applicable to mode a.
As shown in fig. 12, if the terminal device monitors the wake-up signal in a certain time unit in the first time window and the paging ID indicated by the wake-up signal is greater than the paging ID of the terminal device, the terminal device stops continuously monitoring the wake-up signal in the first time window.
In a second possible scenario, the network device sends paging information in descending paging ID order, i.e. when the terminal device detects at least two wake-up signals within the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is smaller than the identity of the terminal device indicated by the wake-up signal monitored earlier. Specific reference may be made to the description of method 400, which is not repeated here.
In this case, the terminal device determines, according to the identifier of the terminal device and the first identifier, whether to continue monitoring the wake-up signal within the first time window, including: if the identifier of the terminal equipment is smaller than the first identifier, the terminal equipment continuously monitors the wake-up signal in a first time window; if the identifier of the terminal equipment is larger than the first identifier, the terminal equipment stops continuously monitoring the wake-up signal in the first time window. Wherein the first identity may represent a smallest identity indicated by a wake-up signal sent by the network device within the first time window. For example, the network device sends at least two wake-up signals within a first time window, the at least two wake-up signals respectively indicating identities of at least two terminal devices, the first identity being a smallest of the identities of the at least two terminal devices. It can be appreciated that if the identifier of the terminal device is equal to the first identifier, this means that the wake-up signal monitored by the terminal device is used to wake up the terminal device itself, so the terminal device may not need to determine whether to continue monitoring the wake-up signal in the first time window, that is, the terminal device stops to continue monitoring the wake-up signal in the first time window.
As an example, fig. 13 shows another schematic diagram applicable to mode a.
As shown in fig. 13, if the terminal device monitors the wake-up signal in a certain time unit in the first time window and the paging ID indicated by the wake-up signal is smaller than the paging ID of the terminal device, the terminal device stops continuously monitoring the wake-up signal in the first time window.
The foregoing is mainly described by taking the network device to send paging information in ascending or descending order of paging IDs as an example, and it is to be understood that embodiments of the present application are not limited thereto. The scheme that the network equipment sends the wake-up signal according to a certain rule, and the terminal equipment can determine whether the terminal equipment needs to monitor the wake-up signal continuously in the first time window according to the identification of the terminal equipment and the identification indicated by the wake-up information is suitable for the embodiment of the application.
Taking the network equipment as an example of sending paging information in a paging ID ascending order mode, the terminal equipment with smaller paging ID can determine that the terminal equipment cannot be paged earlier, so that larger energy-saving benefit is obtained; terminal devices with larger paging IDs often need to be monitored for a longer period of time, even throughout the time window. Therefore, the above problem can be solved by transmitting paging information in ascending order of paging IDs in the first time window of one period and transmitting paging information in descending order of paging IDs in the first time window of the next period. For example, paging information is sent in ascending paging ID order in the first time window of the odd-numbered period, and paging information is sent in descending paging ID order in the first time window of the even-numbered period. One example is listed below.
Assuming that the first time window is periodic, and the period of the first time window includes a first period and a second period, the first period and the second period are adjacent, the following cases may be included when the network device transmits paging information in an ascending or descending order of paging IDs.
In one scenario, the network device transmits paging information in ascending order of paging IDs within a first time window of a first period and transmits paging information in descending order within a first time window of a second period. That is, when the terminal device monitors at least two wake-up signals in the first time window of the first period, the identity of the terminal device indicated by the wake-up signal monitored later is larger than the identity of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals in the first time window of the second period, the identity of the terminal device indicated by the wake-up signal monitored later is smaller than the identity of the terminal device indicated by the wake-up signal monitored earlier.
In another scenario, the network device transmits paging information in descending order of paging ID during a first time window of a first period and transmits paging information in ascending order during a first time window of a second period. That is, when the terminal device monitors at least two wake-up signals in the first time window of the first period, the identity of the terminal device indicated by the wake-up signal monitored later is smaller than the identity of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals in the first time window of the second period, the identity of the terminal device indicated by the wake-up signal monitored later is larger than the identity of the terminal device indicated by the wake-up signal monitored earlier.
It will be appreciated that the two cases described above are illustrative and embodiments of the present application are not limited thereto. For example, the network device may also transmit in ascending order during the first time window of each period, or in descending order during the first time window of each period.
In addition, in both cases, the method 1100 further optionally further includes: the network device sends second information to the terminal device, where the second information is used to indicate the period of the first time window, such as indicating the period index, so that the terminal device can know whether the network device sends the paging information in the ascending paging ID order or the descending paging ID order.
Mode a is described primarily from the point of view of the terminal device, it being understood that the network device side is also similar.
For example, taking the first possible scenario described above as an example, the first identifier represents the largest identifier indicated by the wake-up signal sent by the network device within the first time window, and for an identifier of a certain terminal device (e.g. denoted as the identifier of the terminal device 1), the network device compares the identifier of the terminal device 1 with the first identifier. If the identifier of the terminal device 1 is greater than the first identifier, the network device determines that the wake-up signal corresponding to the terminal device 1 can be continuously sent in the first time window; if the identity of the terminal device 1 is smaller than the first identity, the network device determines that the wake-up signal corresponding to the terminal device 1 cannot be sent within the first time window. Wherein the wake-up signal corresponding to the terminal device 1, i.e. the wake-up signal is used to indicate the identity of the terminal device 1 that needs to be woken up.
As another example, taking the second possible scenario described above as an example, the first identifier represents the smallest identifier indicated by the wake-up signal sent by the network device within the first time window, and for an identifier of a certain terminal device (e.g. denoted as the identifier of the terminal device 1), the network device compares the identifier of the terminal device 1 with the first identifier. If the identifier of the terminal device 1 is smaller than the first identifier, the network device determines that the wake-up signal corresponding to the terminal device 1 can be continuously sent in the first time window; if the identifier of the terminal device 1 is greater than the first identifier, the network device determines that the wake-up signal corresponding to the terminal device 1 cannot be sent within the first time window. Wherein the wake-up signal corresponding to the terminal device 1, i.e. the wake-up signal is used to indicate the identity of the terminal device 1 that needs to be woken up.
In the mode B, in step 1110, the terminal device monitors first information in a first time window, where the first information is used to indicate to stop monitoring the wake-up signal, and then the terminal device stops monitoring the wake-up signal in the first time window according to the first information.
Accordingly, the network device may also determine to stop sending the wake-up signal within the first time window according to the first information.
Based on the mode B, the network device determines that no paging information needs to be sent, for example, no terminal device needs to be paged, or the paging in the buffer is sent completely, and the network device may send the first information to inform the terminal device to stop monitoring the wake-up signal, so as to reduce power consumption of the terminal device.
Alternatively, mode B may be used in combination with mode a. For example, the network device sends paging information in ascending paging ID, if the paging IDs of the terminal devices are larger, the situation that the paging IDs of all the terminal devices paged by the network device are smaller than the paging ID of the terminal device may occur, and the terminal device cannot stop monitoring in advance. Thus, if the network device determines that no paging information needs to be sent, e.g. no terminal device needs to page, or the paging in the buffer has been sent, during the first time window, the network device may send the first information to inform the terminal device to stop monitoring the wake-up signal.
The form of the first information is not limited. Reference is made specifically to the description of method 400 and is not repeated here.
In addition, regarding how to determine whether the terminal device monitors the wake-up signal and how to configure the network device with different time windows for different terminal devices or different terminal device groups, reference may be made to the description in the method 400, which is not repeated herein.
It will be appreciated that the examples of fig. 4 to 13 in the embodiments of the present application are merely for facilitating understanding of the embodiments of the present application by those skilled in the art, and are not intended to limit the embodiments of the present application to the specific scenarios illustrated. It will be apparent to those skilled in the art from the examples of fig. 4-13 that various equivalent modifications or variations can be made, and such modifications or variations are intended to be within the scope of the embodiments of the present application.
It will also be appreciated that in some of the above embodiments, the exemplary description has been given mainly of a time unit comprising a continuous period of time, and embodiments of the present application are not limited thereto. For example, the scheme of the embodiment of the application can be used for a scene that one time unit comprises a plurality of discontinuous time segments.
It will also be appreciated that in embodiments of the present application, "monitoring" may be replaced by "detecting" or "reading". For example, the "monitor wake-up signal" may be replaced by a "detect wake-up signal" or a "read wake-up signal".
It will also be appreciated that in some of the embodiments described above, reference is made to "transmitting," which includes receiving and/or transmitting without particular reference. For example, transmitting the signal may include receiving the signal and/or transmitting the signal.
It will be further understood that in the embodiments of the present application, the interaction between the terminal device and the network device is mainly exemplified, and the present application is not limited thereto, and the terminal device may be replaced by a receiving end device, and the receiving end device may be a terminal device or a network device; the network device may be replaced by a transmitting device, which may be a terminal device or a network device. For example, "terminal device" may be replaced with "first terminal device" and "network device" may be replaced with "second terminal device".
It will also be appreciated that some optional features of the various embodiments of the application may, in some circumstances, be independent of other features or may, in some circumstances, be combined with other features, without limitation.
It is also to be understood that the aspects of the embodiments of the application may be used in any reasonable combination, and that the explanation or illustration of the various terms presented in the embodiments may be referred to or explained in the various embodiments without limitation.
It should also be understood that, in the foregoing embodiments of the methods and operations implemented by the terminal device, the methods and operations may also be implemented by component parts (e.g., chips or circuits) of the terminal device; furthermore, the methods and operations implemented by the network device may also be implemented by, but not limited to, constituent components (e.g., chips or circuits) of the network device.
Corresponding to the methods given by the above method embodiments, the embodiments of the present application also provide corresponding apparatuses, where the apparatuses include corresponding modules for executing the above method embodiments. The module may be software, hardware, or a combination of software and hardware. It will be appreciated that the technical features described in the method embodiments described above are equally applicable to the device embodiments described below.
Fig. 14 is a schematic block diagram of a communication apparatus 1400 provided by an embodiment of the present application. The apparatus 1400 includes a transceiver unit 1410 and a processing unit 1420. The transceiving unit 1410 may be used to implement a corresponding communication function. The transceiver unit 1410 may also be referred to as a communication interface or a communication unit. The processing unit 1420 may be configured to perform data processing.
Optionally, the apparatus 1400 further includes a storage unit, where the storage unit may be configured to store instructions and/or data, and the processing unit 1420 may read the instructions and/or data in the storage unit, so that the apparatus implements the actions of the terminal device in the foregoing method embodiments.
The apparatus 1400 may be configured to perform the actions performed by the terminal device in the above method embodiments, where the apparatus 1400 may be the terminal device or a component of the terminal device, the transceiver unit 1410 is configured to perform the operations related to the transceiver on the terminal device side in the above method embodiments, and the processing unit 1420 is configured to perform the operations related to the processing on the terminal device side in the above method embodiments.
A possible implementation manner, the transceiver unit 1410 is configured to monitor, in a first time window, a wake-up signal, where the wake-up signal is used to indicate information of at least one terminal device that needs to be woken up; the processing unit 1420 is configured to determine whether to monitor the wake-up signal during a first time period after the first time window according to a result of monitoring the wake-up signal during the first time window.
Optionally, the first time window includes N time units, where N is an integer greater than or equal to 1, and if the terminal device monitors the wake-up signal in each time unit in the first time window, the transceiver unit 1410 is further configured to monitor the wake-up signal in the first time period; if the terminal device does not monitor the wake-up signal in at least one time unit in the first time window, the terminal device does not monitor the wake-up signal in the first time period.
Optionally, the first time window includes N time units, where N is an integer greater than 1 or equal to 1, and if the terminal device does not monitor the wake-up signal in the last N1 time units in the first time window, the terminal device does not monitor the wake-up signal in the first time period; if the terminal device monitors the wake-up signal in the last N1 time units in the first time window, the transceiver unit 1410 is further configured to monitor the wake-up signal in the first time period; wherein N1 is an integer greater than or equal to 1, and N1 is less than N.
Optionally, the first time window includes N time units, where N is an integer greater than 1 or equal to 1, and if the terminal device does not monitor the wake-up signal in the first time window for N2 time units in the first time window, the terminal device does not monitor the wake-up signal in the first time period; if the terminal device monitors the wake-up signal in N2 time units within the first time window, the transceiver unit 1410 is further configured to monitor the wake-up signal in the first time period; wherein N2 is an integer greater than or equal to 1, and N2 is less than N.
Optionally, the information of the at least one terminal device to be awakened is an identifier of the at least one terminal device to be awakened, and the transceiver unit 1410 is specifically configured to monitor the wake-up signal in a first time window, where the identifier of the at least one terminal device to be awakened indicated by the wake-up signal includes a first identifier; the processing unit 1420 is specifically configured to determine whether to monitor the wake-up signal during the first period according to the identifier of the terminal device and the first identifier.
Optionally, when the terminal device monitors at least two wake-up signals in the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is larger than the identity of the terminal device indicated by the wake-up signal monitored earlier.
Optionally, if the identifier of the terminal device is greater than the first identifier, the transceiver unit 1410 is further configured to monitor the wake-up signal in a first period of time; if the identifier of the terminal device is smaller than the first identifier, the terminal device does not monitor the wake-up signal in the first time period, or the terminal device stops monitoring the wake-up signal in the first time window and does not monitor the wake-up signal in the first time period.
Optionally, when the terminal device monitors at least two wake-up signals in the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is smaller than the identity of the terminal device indicated by the wake-up signal monitored earlier.
Optionally, if the identifier of the terminal device is smaller than the first identifier, the transceiver unit 1410 is further configured to monitor the wake-up signal in a first period of time; if the identifier of the terminal device is greater than the first identifier, the terminal device does not monitor the wake-up signal in the first time period, or the terminal device stops monitoring the wake-up signal in the first time window and does not monitor the wake-up signal in the first time period.
Optionally, when the terminal device monitors at least two wake-up signals in the first time window, the identifier of the terminal device indicated by the wake-up signal monitored later is larger than the identifier of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals in the first time period, the identifier of the terminal device indicated by the wake-up signal monitored later is smaller than the identifier of the terminal device indicated by the wake-up signal monitored earlier.
Optionally, when the terminal device monitors at least two wake-up signals in the first time window, the identifier of the terminal device indicated by the wake-up signal monitored later is smaller than the identifier of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals in the first time period, the identifier of the terminal device indicated by the wake-up signal monitored later is larger than the identifier of the terminal device indicated by the wake-up signal monitored earlier.
Optionally, the transceiver unit 1410 is specifically configured to monitor first information within a first time window, where the first information is used to indicate that monitoring of the wake-up signal is stopped; the terminal device does not monitor the wake-up signal in the first time period or stops monitoring the wake-up signal in the first time window and does not monitor the wake-up signal in the first time period according to the first information.
Optionally, the starting position of the first time period is the same as the ending position of the first time window.
Optionally, the end position of the first time window coincides with the start position of the second time window, or the end position of the first time window is located before the start position of the second time window, where the second time window is a time window corresponding to when the second terminal device monitors the wake-up signal, and the first time window and the second time window are adjacent time windows.
Optionally, the transceiver unit 1410 is further configured to receive configuration information, where the configuration information includes at least one of the following: information of the first time window, or information of the first time period.
Optionally, the time length of the first time period is the same as the time length of the first time window.
The apparatus 1400 may implement steps or processes corresponding to those performed by the terminal device in the method embodiment according to the present application, and the apparatus 1400 may include means for performing the method performed by the terminal device in the embodiment shown in fig. 4.
It should be understood that the specific process of each unit performing the corresponding steps has been described in detail in the above method embodiments, and is not described herein for brevity.
In another possible implementation manner, the transceiver unit 1410 is configured to monitor, in a first time window, a wake-up signal, where the wake-up signal is used to indicate information of at least one terminal device that needs to be woken up; a processing unit 1420 is configured to determine whether to continue monitoring the wake-up signal during the first time window based on a result of monitoring the wake-up signal during a portion of the duration during the first time window.
Optionally, the information of the at least one terminal device to be awakened is an identifier of the at least one terminal device to be awakened, and the transceiver unit 1410 is specifically configured to monitor the wake-up signal in a first time window, where the identifier of the at least one terminal device to be awakened indicated by the wake-up signal includes a first identifier; the processing unit 1420 is specifically configured to determine whether to continue monitoring the wake-up signal within the first time window according to the identifier of the terminal device and the first identifier.
Optionally, when the terminal device monitors at least two wake-up signals in the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is larger than the identity of the terminal device indicated by the wake-up signal monitored earlier.
Optionally, if the identifier of the terminal device is greater than the first identifier, the transceiver unit 1410 is further configured to continuously monitor the wake-up signal in the first time window; if the identifier of the terminal equipment is smaller than the first identifier, the terminal equipment stops monitoring the wake-up signal in the first time window.
Optionally, when the terminal device monitors at least two wake-up signals in the first time window, the identity of the terminal device indicated by the wake-up signal monitored later is smaller than the identity of the terminal device indicated by the wake-up signal monitored earlier.
Optionally, if the identifier of the terminal device is smaller than the first identifier, the transceiver unit 1410 is further configured to continuously monitor the wake-up signal in the first time window; if the identifier of the terminal equipment is larger than the first identifier, the terminal equipment stops monitoring the wake-up signal in the first time window.
Optionally, when the terminal device monitors at least two wake-up signals in the first time window of the first period, the identity of the terminal device indicated by the wake-up signal monitored later is larger than the identity of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals in the first time window of the second period, the identity of the terminal device indicated by the wake-up signal monitored later is smaller than the identity of the terminal device indicated by the wake-up signal monitored earlier, wherein the first period and the second period are adjacent.
Optionally, when the terminal device monitors at least two wake-up signals in the first time window of the first period, the identity of the terminal device indicated by the wake-up signal monitored later is smaller than the identity of the terminal device indicated by the wake-up signal monitored earlier, and when the terminal device monitors at least two wake-up signals in the first time window of the second period, the identity of the terminal device indicated by the wake-up signal monitored later is larger than the identity of the terminal device indicated by the wake-up signal monitored earlier, wherein the first period and the second period are adjacent.
Optionally, the transceiver unit 1410 is specifically configured to monitor first information within a first time window, where the first information is used to indicate that monitoring of the wake-up signal is stopped; and stopping monitoring the wake-up signal within a first time window by the terminal equipment according to the first information.
Optionally, the end position of the first time window coincides with the start position of the second time window, or the end position of the first time window is located before the start position of the second time window, where the second time window is a time window corresponding to when the second terminal device monitors the wake-up signal, and the first time window and the second time window are adjacent time windows.
Optionally, the transceiver unit 1410 is further configured to receive configuration information, where the configuration information includes information of the first time window.
The apparatus 1400 may implement steps or processes corresponding to those performed by the terminal device in the method embodiment according to the embodiment of the present application, and the apparatus 1400 may include means for performing the method performed by the terminal device in the embodiment shown in fig. 11.
It should be understood that the specific process of each unit performing the corresponding steps has been described in detail in the above method embodiments, and is not described herein for brevity.
It should also be appreciated that the apparatus 1400 herein is embodied in the form of functional units. The term "unit" herein may refer to an application specific integrated circuit (application specific integrated circuit, ASIC), an electronic circuit, a processor (e.g., a shared, dedicated, or group processor, etc.) and memory that execute at least one software or firmware program, a combinational logic circuit, and/or other suitable components that support the described functionality. In an alternative example, it will be understood by those skilled in the art that the apparatus 1400 may be specifically a terminal device in the foregoing embodiments, and may be used to perform each flow and/or step corresponding to the terminal device in the foregoing method embodiments, which is not described herein for avoiding repetition.
The apparatus 1400 of each of the above embodiments has a function of implementing the corresponding steps performed by the terminal device in the above method. The functions may be implemented by hardware, or may be implemented by hardware executing corresponding software. The hardware or software comprises at least one module corresponding to the functions; for example, the transceiver unit may be replaced by a transceiver (e.g., a transmitting unit in the transceiver unit may be replaced by a transmitter, a receiving unit in the transceiver unit may be replaced by a receiver), and other units, such as a processing unit, etc., may be replaced by a processor, to perform the transceiver operations and related processing operations in the various method embodiments, respectively.
The transceiver 1410 may be a transceiver circuit (e.g., may include a receiving circuit and a transmitting circuit), and the processing unit may be a processing circuit.
It should be noted that the apparatus in fig. 14 may be the device in the foregoing embodiment, or may be a chip or a chip system, for example: system on chip (SoC). The receiving and transmitting unit can be an input and output circuit and a communication interface; the processing unit is an integrated processor or microprocessor or integrated circuit on the chip. And are not limited herein.
As shown in fig. 15, an embodiment of the present application provides another communication apparatus 1500. The apparatus 1500 includes a processor 1510, the processor 1510 being coupled to a memory 1520, the memory 1520 for storing computer programs or instructions and/or data, the processor 1510 for executing the computer programs or instructions stored in the memory 1520 or for reading the data stored in the memory 1520 for performing the methods in the method embodiments above.
Optionally, the processor 1510 is at least one.
Optionally, memory 1520 is at least one.
Optionally, the memory 1520 is integrated with the processor 1510 or separately provided.
Optionally, as shown in fig. 15, the apparatus 1500 further comprises a transceiver 1530, the transceiver 1530 being for receiving and/or transmitting signals. For example, the processor 1510 is configured to control the transceiver 1530 to receive and/or transmit signals.
As an aspect, the apparatus 1500 is configured to implement the operations performed by the terminal device in the above method embodiments.
For example, the processor 1510 is configured to execute computer programs or instructions stored in the memory 1520 to implement the relevant operations of the terminal device in the respective method embodiments above. For example, the method performed by the terminal device in the embodiment shown in fig. 4, or the method performed by the terminal device in the embodiment shown in fig. 11.
It should be appreciated that the processors referred to in embodiments of the present application may be central processing units (central processing unit, CPU), but may also be other general purpose processors, digital signal processors (digital signal processor, DSP), application specific integrated circuits (application specific integrated circuit, ASIC), off-the-shelf programmable gate arrays (field programmable gate array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
It should also be understood that the memory referred to in embodiments of the present application may be volatile memory and/or nonvolatile memory. The nonvolatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. The volatile memory may be random access memory (random access memory, RAM). For example, RAM may be used as an external cache. By way of example, and not limitation, RAM includes the following forms: static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and direct memory bus RAM (DR RAM).
It should be noted that when the processor is a general purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, the memory (storage module) may be integrated into the processor.
It should also be noted that the memory described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
Referring to fig. 16, an embodiment of the present application provides a chip system 1600. The system-on-chip 1600 (or may also be referred to as a processing system) includes logic 1610 and input/output interface 1620.
Logic 1610 may be a processing circuit in system-on-chip 1600. Logic 1610 may be coupled to the memory unit to invoke instructions in the memory unit so that system-on-chip 1600 may implement the methods and functions of embodiments of the present application. The input/output interface 1620 may be an input/output circuit in the chip system 1600, and outputs information processed by the chip system 1600, or inputs data or signaling information to be processed into the chip system 1600 for processing.
Specifically, for example, if the terminal device is equipped with the chip system 1600, the logic 1610 is coupled to the input/output interface 1620, and the input/output interface 1620 may input a wake-up signal to the logic 1610 for processing.
As an option, the chip system 1600 is used to implement the operations performed by the terminal device in the various method embodiments above.
For example, the logic 1610 is configured to implement the operations related to the processing performed by the terminal device in the above method embodiment, such as the operations related to the processing performed by the terminal device in the embodiment shown in fig. 4, or the operations related to the processing performed by the terminal device in the embodiment shown in fig. 11; the input/output interface 1620 is configured to implement the operations related to transmission and/or reception performed by the terminal device in the above method embodiment, for example, the operations related to transmission and/or reception performed by the terminal device in the embodiment shown in fig. 4, or the operations related to transmission and/or reception performed by the terminal device in the embodiment shown in fig. 11.
The embodiment of the application also provides a computer readable storage medium, on which computer instructions for implementing the method executed by the terminal device in the above method embodiments are stored.
For example, the computer program, when executed by a computer, enables the computer to implement the methods performed by the terminal device in the above-described method embodiments.
The embodiment of the application also provides a computer program product, which contains instructions, and the instructions are executed by a computer to realize the method executed by the terminal device in the above method embodiments.
The embodiment of the application also provides a communication system which comprises the terminal equipment and the network equipment in each embodiment.
The explanation and beneficial effects of the related content in any of the above-mentioned devices can refer to the corresponding method embodiments provided above, and are not repeated here.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Furthermore, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
In the above embodiments, it may be implemented in whole or in part 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 at least one computer instruction. When loaded and executed on a computer, produces a flow or function in accordance with embodiments of the present application, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. For example, the computer may be a personal computer, a server, or a network device, etc. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, for example, by wired (e.g., coaxial cable, optical fiber, digital Subscriber Line (DSL)), or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains at least one integration of the available media. For example, the aforementioned usable media include, but are not limited to, U disk, removable hard disk, read-only memory (ROM), random access memory (random access memory, RAM), magnetic disk or optical disk and other various media that can store program code.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (31)

1. A method of signal transmission, the method comprising:
the terminal equipment monitors a wake-up signal in a first time window, wherein the wake-up signal is used for indicating information of at least one terminal equipment needing to be waken up;
and the terminal equipment determines whether to monitor the wake-up signal in a first time period after the first time window according to the result of monitoring the wake-up signal in the first time window.
2. The method of claim 1, wherein the first time window comprises N time units, N being an integer greater than or equal to 1,
the terminal device determines whether to monitor the wake-up signal in a first time period after the first time window according to the result of monitoring the wake-up signal in the first time window, and the method comprises the following steps:
If the terminal equipment monitors the wake-up signal in each time unit in the first time window, the terminal equipment monitors the wake-up signal in the first time period;
if the terminal device does not monitor the wake-up signal in at least one time unit in the first time window, the terminal device does not monitor the wake-up signal in the first time period.
3. The method of claim 1, wherein the first time window comprises N time units, N being an integer greater than or equal to 1,
the terminal device determines whether to monitor the wake-up signal in a first time period after the first time window according to the result of monitoring the wake-up signal in the first time window, and the method comprises the following steps:
if the terminal equipment does not monitor the wake-up signal in the last N1 time units in the first time window, the terminal equipment does not monitor the wake-up signal in the first time period;
if the terminal equipment monitors the wake-up signal in the last N1 time units in the first time window, the terminal equipment monitors the wake-up signal in the first time period;
Wherein N1 is an integer greater than or equal to 1, and N1 is less than N.
4. The method of claim 1, wherein the first time window comprises N time units, N being an integer greater than or equal to 1,
the terminal device determines whether to monitor the wake-up signal in a first time period after the first time window according to the result of monitoring the wake-up signal in the first time window, and the method comprises the following steps:
if the terminal equipment does not monitor the wake-up signal in N2 time units in the first time window, the terminal equipment does not monitor the wake-up signal in the first time period;
if the terminal equipment monitors the wake-up signal in N2 time units in the first time window, the terminal equipment monitors the wake-up signal in the first time period;
wherein N2 is an integer greater than or equal to 1, and N2 is less than N.
5. The method of claim 1, wherein the information of the at least one terminal device to be awakened is an identification of the at least one terminal device to be awakened,
the terminal device monitors a wake-up signal within a first time window, comprising:
The terminal equipment monitors the wake-up signal in the first time window, and the identification of at least one terminal equipment to be waken-up indicated by the wake-up signal comprises a first identification;
the terminal device determines whether to monitor the wake-up signal in a first time period after the first time window according to the result of monitoring the wake-up signal in the first time window, and the method comprises the following steps:
and the terminal equipment determines whether to monitor the wake-up signal in the first time period according to the identification of the terminal equipment and the first identification.
6. The method of claim 5, wherein when the terminal device detects at least two wake-up signals within the first time window, the identity of the terminal device indicated by the wake-up signal that is monitored later is greater than the identity of the terminal device indicated by the wake-up signal that is monitored earlier.
7. The method according to claim 5 or 6, wherein,
the terminal device determines whether to monitor the wake-up signal in the first time period according to the identifier of the terminal device and the first identifier, including:
if the identifier of the terminal equipment is larger than the first identifier, the terminal equipment monitors the wake-up signal in the first time period;
If the identifier of the terminal device is smaller than the first identifier, the terminal device does not monitor the wake-up signal in the first time period, or the terminal device stops monitoring the wake-up signal in the first time window and does not monitor the wake-up signal in the first time period.
8. The method of claim 5, wherein when the terminal device detects at least two wake-up signals within the first time window, the identity of the terminal device indicated by the wake-up signal that is monitored later is less than the identity of the terminal device indicated by the wake-up signal that is monitored earlier.
9. The method according to claim 5 or 8, wherein,
the terminal device determines whether to monitor the wake-up signal in the first time period according to the identifier of the terminal device and the first identifier, including:
if the identifier of the terminal equipment is smaller than the first identifier, the terminal equipment monitors the wake-up signal in the first time period;
if the identifier of the terminal device is greater than the first identifier, the terminal device does not monitor the wake-up signal in the first time period, or the terminal device stops monitoring the wake-up signal in the first time window and does not monitor the wake-up signal in the first time period.
10. The method according to any of claims 5 to 7, wherein the terminal device, when monitoring at least two wake-up signals within the first time window, indicates a terminal device with an identity that is larger than an identity of a terminal device indicated by a previously monitored wake-up signal, and wherein the terminal device, when monitoring at least two wake-up signals within the first time period, indicates a terminal device with an identity that is smaller than an identity of a terminal device indicated by a previously monitored wake-up signal.
11. The method according to any of claims 5 or 8 or 9, wherein when the terminal device detects at least two wake-up signals within the first time window, the identity of the terminal device indicated by the later monitored wake-up signal is smaller than the identity of the terminal device indicated by the earlier monitored wake-up signal, and wherein when the terminal device detects at least two wake-up signals within the first time period, the identity of the terminal device indicated by the later monitored wake-up signal is larger than the identity of the terminal device indicated by the earlier monitored wake-up signal.
12. The method according to any of claims 1 or 5 to 11, wherein the terminal device monitors for a wake-up signal within a first time window, comprising:
The terminal equipment monitors first information in the first time window, wherein the first information is used for indicating to stop monitoring the wake-up signal;
the terminal device determines whether to monitor the wake-up signal in a first time period after the first time window according to the result of monitoring the wake-up signal in the first time window, and the method comprises the following steps:
and the terminal equipment does not monitor the wake-up signal in the first time period according to the first information, or stops monitoring the wake-up signal in the first time window and does not monitor the wake-up signal in the first time period.
13. The method according to any one of claims 1 to 12, wherein,
the starting position of the first time period is the same as the ending position of the first time window.
14. The method according to any one of claims 1 to 13, wherein,
the end position of the first time window coincides with the start position of the second time window, or the end position of the first time window is positioned before the start position of the second time window,
the second time window is a time window corresponding to the time when the second terminal equipment monitors the wake-up signal, and the first time window and the second time window are adjacent time windows.
15. The method according to any one of claims 1 to 14, further comprising:
the terminal device receives configuration information, wherein the configuration information comprises at least one of the following: information of the first time window, or information of the first time period.
16. The method according to any one of claims 1 to 15, wherein,
the time length of the first time period is the same as the time length of the first time window.
17. A method of signal transmission, the method comprising:
the terminal equipment monitors a wake-up signal in a first time window, wherein the wake-up signal is used for indicating information of at least one terminal equipment needing to be waken up;
and the terminal equipment determines whether to continuously monitor the wake-up signal in the first time window according to the result of monitoring the wake-up signal in part of the time length in the first time window.
18. The method of claim 17, wherein the information of the at least one terminal device to be awakened is an identification of the at least one terminal device to be awakened,
the terminal device monitors a wake-up signal within a first time window, comprising:
The terminal equipment monitors the wake-up signal in the first time window, and the identification of at least one terminal equipment to be waken-up indicated by the wake-up signal comprises a first identification;
the terminal device determines whether to continue monitoring the wake-up signal in the first time window according to the result of monitoring the wake-up signal in a part of the duration in the first time window, and the method comprises the following steps:
and the terminal equipment determines whether to continuously monitor the wake-up signal in the first time window according to the identification of the terminal equipment and the first identification.
19. The method of claim 18, wherein when the terminal device detects at least two wake-up signals within the first time window, the identity of the terminal device indicated by the wake-up signal that is monitored later is greater than the identity of the terminal device indicated by the wake-up signal that is monitored earlier.
20. The method according to claim 18 or 19, wherein,
the terminal device determines whether to continue monitoring the wake-up signal in the first time window according to the identifier of the terminal device and the first identifier, including:
if the identifier of the terminal equipment is larger than the first identifier, the terminal equipment continues to monitor the wake-up signal in the first time window;
And if the identifier of the terminal equipment is smaller than the first identifier, stopping monitoring the wake-up signal by the terminal equipment within the first time window.
21. The method of claim 18, wherein when the terminal device detects at least two wake-up signals within the first time window, the identity of the terminal device indicated by the wake-up signal that was monitored later is less than the identity of the terminal device indicated by the wake-up signal that was monitored earlier.
22. The method according to claim 18 or 21, wherein,
the terminal device determines whether to continue monitoring the wake-up signal in the first time window according to the identifier of the terminal device and the first identifier, including:
if the identifier of the terminal equipment is smaller than the first identifier, the terminal equipment continues to monitor the wake-up signal in the first time window;
and if the identifier of the terminal equipment is larger than the first identifier, stopping monitoring the wake-up signal by the terminal equipment within the first time window.
23. The method according to any one of claims 18 to 20, wherein when the terminal device detects at least two wake-up signals within the first time window of a first period, the identity of the terminal device indicated by the wake-up signal to be monitored later is larger than the identity of the terminal device indicated by the wake-up signal to be monitored earlier, and when the terminal device detects at least two wake-up signals within the first time window of a second period, the identity of the terminal device indicated by the wake-up signal to be monitored later is smaller than the identity of the terminal device indicated by the wake-up signal to be monitored earlier,
Wherein the first period and the second period are adjacent.
24. The method according to any one of claims 18, 21 or 22, wherein when the terminal device detects at least two wake-up signals within the first time window of a first period, the identity of the terminal device indicated by the wake-up signal that is monitored later is smaller than the identity of the terminal device indicated by the wake-up signal that is monitored earlier, and the identity of the terminal device indicated by the wake-up signal that is monitored later is larger than the identity of the terminal device indicated by the wake-up signal that is monitored earlier when the terminal device detects at least two wake-up signals within the first time window of a second period,
wherein the first period and the second period are adjacent.
25. The method according to any of the claims 17 to 24, wherein the terminal device monitors for a wake-up signal within a first time window, comprising:
the terminal equipment monitors first information in the first time window, wherein the first information is used for indicating to stop monitoring the wake-up signal;
the terminal device determines whether to continue monitoring the wake-up signal in the first time window according to the result of monitoring the wake-up signal in a part of the duration in the first time window, and the method comprises the following steps:
And the terminal equipment stops monitoring the wake-up signal in the first time window according to the first information.
26. The method according to any one of claims 17 to 25, wherein,
the end position of the first time window coincides with the start position of the second time window, or the end position of the first time window is positioned before the start position of the second time window,
the second time window is a time window corresponding to the time when the second terminal equipment monitors the wake-up signal, and the first time window and the second time window are adjacent time windows.
27. The method according to any one of claims 17 to 26, further comprising:
the terminal device receives configuration information, wherein the configuration information comprises information of the first time window.
28. A communication device, comprising:
a processor for executing a computer program stored in a memory to cause the apparatus to perform the method of any one of claims 1 to 27.
29. The apparatus of claim 28, further comprising the memory and/or a communication interface coupled with the processor,
The communication interface is used for inputting and/or outputting information.
30. A computer readable storage medium, characterized in that the computer readable storage medium has stored thereon a computer program which, when run on a computer, causes the computer to perform the method according to any of claims 1 to 27.
31. A computer program product, characterized in that the computer program product comprises instructions for performing the method of any one of claims 1 to 27.
CN202210600284.2A 2022-04-27 2022-05-30 Method and communication device for signal transmission Pending CN117015015A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2023/090624 WO2023207990A1 (en) 2022-04-27 2023-04-25 Signal transmission method and communication apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210458433 2022-04-27
CN2022104584336 2022-04-27

Publications (1)

Publication Number Publication Date
CN117015015A true CN117015015A (en) 2023-11-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210600284.2A Pending CN117015015A (en) 2022-04-27 2022-05-30 Method and communication device for signal transmission

Country Status (1)

Country Link
CN (1) CN117015015A (en)

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