Uplink information based on wake-up signal

Abstract

Embodiments of the present disclosure relate to uplink control information for uplink information based on a wake-up signal. According to an embodiment of the present disclosure, a terminal device determines whether a predetermined number of opportunities in one or more opportunities overlap with an active time of the terminal device based on transmission information at a first time point. The terminal device determines a configuration for sending uplink information based on the determination. In this way, ambiguity is reduced and the flexibility of the network is improved.

Description

[0001] This application is a divisional application of the invention patent application with application date of February 5, 2021, application number 202110163156.1, and invention name “Uplink information based on wake-up signal”. Technical Field

[0002] Embodiments of the present disclosure relate generally to communication technology, and more particularly to methods, devices, and computer-readable media for uplink information based on a wake-up signal. Background Art

[0003] As communication systems develop, more and more technologies are proposed. A technology called "Wake-up Signal (WUS)" is being discussed in the power saving work item, and discontinuous reception (DRX) is supported for power saving. WUS is designed to allow a terminal device to skip monitoring of the physical downlink control channel (PDCCH) for an activity duration (OnDuration) when there is no data transmission to be performed. If a network device intends to schedule a terminal device, it is necessary to send wake-up signaling to the terminal device at (multiple) WUS timings to wake up the terminal device first, and then the terminal device will monitor the normal PDCCH at the upcoming activity duration to schedule data. . Summary of the invention

[0004] Generally, embodiments of the present disclosure relate to a method for uplink information based on a wake-up signal and a corresponding device.

[0005] In a first aspect, a method is provided. The method includes receiving, at a first device, information indicating one or more occasions from a second device, the one or more occasions being configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication. The method also includes determining, based on transmission information available at a first point in time, whether a predetermined number of the one or more occasions overlap with an active time of the first device, wherein the predetermined number of the one or more occasions is after the first point in time. The method also includes generating, based on the determination, a configuration for sending uplink information. The method also includes sending uplink information to the second device based on the configuration.

[0006] In a second aspect, a method is provided. The method includes determining, at a second device, one or more occasions, the one or more occasions being configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication. The method also includes sending information indicating the one or more occasions to a first device. The method also includes determining whether the first device is expected to monitor a predetermined number of occasions in the one or more occasions based on transmission information available at the first device at a first point in time, wherein the predetermined number of occasions in the one or more occasions is after the first point in time. The method also includes receiving uplink information from the first device based on a configuration, the configuration being determined based on whether the first device is expected to monitor a predetermined number of occasions in the one or more occasions.

[0007] In a third aspect, a first device is provided. The first device includes at least one processor; at least one memory including computer program code; at least one memory and computer program code are configured to, together with at least one processor, cause the first device to: receive information indicating one or more opportunities from a second device, the one or more opportunities being configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication; based on transmission information available at a first point in time, determine whether a predetermined number of opportunities in the one or more opportunities overlap with an active time of the first device, wherein the predetermined number of opportunities in the one or more opportunities is after the first point in time; based on the determination, determine a configuration for sending uplink information; and based on the configuration, send uplink information to the second device.

[0008] In a fourth aspect, a second device is provided. The second device includes at least one processor; at least one memory including computer program code; at least one memory and computer program code are configured to, together with at least one processor, cause the second device to: determine one or more occasions, one or more occasions configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication; send information indicating one or more occasions to a first device; determine whether the first device is expected to monitor a predetermined number of one or more occasions based on transmission information available at the first device at a first point in time, wherein the predetermined number of one or more occasions is after the first point in time; and receive uplink information from the first device based on a configuration, the configuration being determined based on whether the first device is expected to monitor a predetermined number of one or more occasions.

[0009] In a fifth aspect, a device is provided. The device includes: a component for determining at a first time point whether a first device is or will be in an active time at a time of a predetermined number of opportunities in one or more opportunities; a component for determining to skip monitoring a predetermined number of opportunities in one or more opportunities if it is determined that the first device is or will be in the active time; or a component for determining to monitor a predetermined number of opportunities in one or more opportunities if it is determined that the first device is not or will not be in the active time.

[0010] In a sixth aspect, an apparatus is provided. The apparatus includes: a component for determining one or more occasions at a second device, the one or more occasions being configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication; a component for sending information indicating the one or more occasions to a first device; a component for determining whether the first device is expected to monitor a predetermined number of the one or more occasions based on transmission information available at the first device at a first point in time, the predetermined number of the one or more occasions being after the first point in time; and a component for receiving uplink information from the first device based on a configuration, the configuration being determined based on whether the first device is expected to monitor a predetermined number of the one or more occasions.

[0011] In a seventh aspect, a computer-readable medium is provided, comprising program instructions for causing an apparatus to at least execute the method according to the first or second aspect above.

[0012] In an eighth aspect, a computer program product is provided. The computer program product is stored on a computer-readable medium and comprises machine-executable instructions. When the machine-executable instructions are executed, the machine is caused to perform the method according to the first or second aspect.

[0013] It should be understood that the invention summary is not intended to identify the key or essential features of the embodiments of the present disclosure, nor is it intended to be used to limit the scope of the present disclosure. Other features of the present disclosure will become readily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Some example embodiments will now be described with reference to the following drawings, in which:

[0015] Figure 1 A schematic diagram of a discontinuous reception (DRX) cycle according to a conventional technique is shown;

[0016] Figure 2 A schematic diagram showing a communication system according to an embodiment of the present disclosure;

[0017] Figure 3 A schematic diagram showing interactions between devices according to some embodiments of the present disclosure;

[0018] Figure 4 A schematic diagram of a discontinuous reception (DRX) cycle according to an embodiment of the present disclosure is shown;

[0019] Figure 5 A flowchart of a method according to an embodiment of the present disclosure is shown;

[0020] Figure 6 A flowchart of a method according to an embodiment of the present disclosure is shown;

[0021] Figure 7 shows a simplified block diagram of a device suitable for implementing an embodiment of the present disclosure; and

[0022] Figure 8 A block diagram of an example computer-readable medium is shown according to some example embodiments of the present disclosure.

[0023] Throughout the drawings, the same or similar reference numerals refer to the same or similar elements. DETAILED DESCRIPTION

[0024] The principles of the present disclosure will now be described with reference to some example embodiments. It should be understood that these embodiments are described only for illustrative purposes and to help those skilled in the art understand and implement the present disclosure, rather than suggesting any limitation to the scope of the present disclosure. In addition to the methods described below, the disclosure described herein can be implemented in various ways.

[0025] In the following description and claims, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.

[0026] References in this disclosure to "one embodiment," "an embodiment," "an example embodiment," etc. indicate that the described embodiment may include a particular feature, structure, or characteristic, but not every embodiment necessarily includes the particular feature, structure, or characteristic. Moreover, such phrases do not necessarily refer to the same embodiment. In addition, when a particular feature, structure, or characteristic is described in conjunction with an embodiment, whether or not explicitly described, it is considered to be within the knowledge of those skilled in the art to affect such feature, structure, or characteristic in conjunction with other embodiments.

[0027] It should be understood that although the terms "first" and "second" etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, without departing from the scope of the exemplary embodiments, the first element may be referred to as the second element, and similarly, the second element may be referred to as the first element. As used herein, the term "and / or" includes any and all combinations of one or more of the listed terms.

[0028] The terms used herein are for the purpose of describing specific embodiments only and are not intended to limit the exemplary embodiments. As used herein, the singular forms "a", "an", and "the" are also intended to include the plural forms unless the context clearly indicates otherwise. It will also be understood that when used herein, the terms "include", "have", and / or "comprise" specify the presence of stated features, elements, and / or components, etc., but do not exclude the presence or addition of one or more other features, elements, components, and / or combinations thereof.

[0029] As used in this application, the term "circuitry" may refer to one or more, or all of the following:

[0030] (a) a pure hardware circuit implementation (such as an implementation solely in analog and / or digital circuitry), and

[0031] (b) a combination of hardware circuitry and software such as (where applicable):

[0032] (i) a combination of one or more analog and / or digital hardware circuits and software / firmware, and (ii) any portion of one or more hardware processors with software (including one or more digital signal processors, software and one or more memories that work together to enable a device such as a mobile phone or server to perform various functions), and

[0033] (c) One or more hardware circuits and / or one or more processors, such as one or more microprocessors or portions of one or more microprocessors, that require software (e.g., firmware) to operate, but the software may not be present when not required to operate.

[0034] This definition of circuitry applies to all uses of the term in this application, including in any claims. As a further example, as used in this application, the term circuitry also covers an implementation of only a hardware circuit or processor (or multiple processors), or a hardware circuit or processor and its (or their) accompanying software and / or firmware. By way of example and where applicable to a particular claim element, the term circuitry also covers a baseband integrated circuit or processor integrated circuit for a mobile device, or a similar integrated circuit in a server, cellular network device, or other computing or network device.

[0035] As used herein, the term "communication network" refers to a network that follows any appropriate communication standard, such as New Radio (NR), Long Term Evolution (LTE), Advanced LTE (LTE-A), Wideband Code Division Multiple Access (WCDMA), High Speed ​​Packet Access (HSPA), Narrowband Internet of Things (NB-IoT), etc. In addition, the communication between the terminal device and the network device can be performed in the communication network according to any suitable communication protocol generation, including but not limited to the first generation (1G), second generation (2G), 2.5G, 2.75G, third generation (3G), fourth generation (4G), 4.5G, future fifth generation (5G) communication protocol and / or any other protocol currently known or to be developed in the future. The embodiments of the present disclosure can be applied to various communication systems. In view of the rapid development of communication, there will certainly be communication technologies and systems of future types that can embody the present disclosure. The scope of the present disclosure should not be limited to only the above-mentioned systems.

[0036] As used herein, the term "network device" refers to a node in a communication network via which a terminal device accesses the network and receives services therefrom. A network device may refer to a base station (BS) or an access point (AP), such as a NodeB (NodeB or NB), an evolved NodeB (eNodeB or eNB), a NR NB (also known as a gNB), a remote radio unit (RRU), a radio head (RH), a remote radio head (RRH), a relay, an integrated access and backhaul (IAB) node, a low power node (such as a femto, a pico, etc.), depending on the terminology and technology applied.

[0037] The term "terminal device" refers to any terminal device that can perform wireless communication. As an example and not limitation, the terminal device may also be referred to as a communication device, a user equipment (UE), a subscriber station (SS), a portable subscriber station, a mobile station (MS) or an access terminal (AT). The terminal device may include, but is not limited to, a mobile phone, a cellular phone, a smart phone, a voice over IP (VoIP) phone, a wireless local loop phone, a tablet computer, a wearable terminal device, a personal digital assistant (PDA), a portable computer, a desktop computer, an image capture terminal device (such as a digital camera), a game terminal device, a music storage and playback device, a vehicle-mounted wireless terminal device, a wireless endpoint, a mobile station, a laptop embedded device (LEE), a laptop mounted device (LME), a USB dongle, a smart device, a wireless user premises equipment (CPE), an Internet of Things (IoT) device, a watch or other wearable device, a head mounted display (HMD), a vehicle, a drone, medical equipment and applications (such as remote surgery), industrial equipment and applications (such as robots and / or other wireless devices running in industrial and / or automatic processing chain environments), consumer electronic devices, equipment running in commercial and / or industrial wireless networks, etc. In the following description, the terms "terminal device", "communication device", "terminal", "user equipment" and "UE" may be used interchangeably.

[0038] As described above, WUS is designed to allow the terminal device to skip the physical downlink control channel (PDCCH) monitoring for the activity duration when there is no data transmission to be performed. If the network device intends to schedule the terminal device, the network device needs to send wake-up signaling to the terminal device during (multiple) WUS opportunities to wake up the terminal device first, and then the terminal device will monitor the normal PDCCH for the upcoming activity duration to schedule data. In the Third Generation Partnership Project (3GPP), WUS is called DCP (Downlink Control Information (DCI) with Cyclic Redundancy Check (CRC) scrambled by Power Saving Radio Network Temporary Identifier (PS-RNTI)). The network device can configure whether the terminal device sends periodic channel state information (CSI) feedback and / or L1 reference signal received power (RSRP) feedback, even when the WUS / DCP does not start the drx-onDuration timer, for example, when the UE does not detect any WUS / DCP that requires the UE to wake up and start the drx-onDuration timer.

[0039] The PDCCH monitoring activities of a terminal device in radio resource control (RRC) connected mode are governed by DRX, bandwidth adaptation (BA) and DCP. Figure 1 FIG. 2 shows a schematic diagram of a discontinuous reception (DRX) cycle according to conventional technology. Figure 1As shown, there are on-duration 1110 and duration 1120 for DRX opportunities in a DRX cycle 110. Figure 1 .

[0040] When DRX is configured, the terminal device does not have to continuously monitor the PDCCH. DRX has the following features:

[0041] - On-duration: The duration that the UE waits to receive the PDCCH after waking up. If the UE successfully decodes the PDCCH, the UE remains awake and starts the inactivity timer;

[0042] - Inactivity timer: The duration that the UE waits for successfully decoding the PDCCH from the last successful decoding of the PDCCH. If it fails, it can return to sleep state. The UE restarts the inactivity timer only after a single successful decoding of the PDCCH for the first transmission (i.e. not for retransmission);

[0043] -Retransmission timer: duration until retransmission is possible;

[0044] - Period: specifies the periodic repetition of the on-duration followed by a possible period of inactivity;

[0045] -Active time: The total duration that the UE monitors the PDCCH. This includes the "on-duration" of the DRX cycle, the time that the UE is performing continuous reception when the inactivity timer has not expired, and the time that the UE is performing continuous reception while waiting for a retransmission opportunity.

[0046] When BA is configured, the UE only needs to monitor PDCCH on one active BWP, i.e. it does not have to monitor PDCCH on the entire downlink (DL) frequency of the cell. The BWP inactivity timer (independent of the above DRX inactivity timer) is used to switch the active BWP to the default BWP: the timer is restarted after successful PDCCH decoding, and switches to the default BWP when the timer expires.

[0047] In addition, when configured accordingly, the UE may be instructed whether it needs to monitor the PDCCH during the next on-duration of a DCP received on the active BWP. By default, if no DCP is detected on the active BWP, the UE does not monitor the PDCCH during the next on-duration. However, in this case, the UE may also be configured to have the opposite behavior, that is, to monitor the PDCCH during the next on-duration.

[0048] The UE is configured to monitor the DCP only when connected mode DRX is configured and at (multiple) occasions at the offset configured before the on-duration. Multiple monitoring occasions may be configured before the on-duration. The UE does not monitor the DCP during the occasions occurring during active time, measurement gaps or BWP switching, in which case it monitors the PDCCH during the next on-duration. If no DCP is configured in the active BWP, the UE follows normal DRX operation.

[0049] When CA is configured, DCP is configured only on PCell or PSCell (primary and secondary cells). A DCP can be configured to independently control PDCCH monitoring during the on-duration of one or more UEs. Power saving in RRC_IDLE and RRC_INACTIVE can be achieved by the UE relaxing RRM measurements of neighboring cells when the UE meets the criteria to determine that it is in low mobility or not at the cell edge.

[0050] UE power saving can be achieved by adapting the DL maximum number of MIMO layers using BWP switching. During the active time via cross-slot scheduling, the power saving function is enabled, which helps the UE achieve power saving under the assumption that until the minimum scheduling offsets K0 and K2, the UE will not be scheduled to receive PDSCH, trigger the reception of A-CSI or send PUSCH scheduled by PDCCH. The dynamic adjustment of the minimum scheduling offsets K0 and K2 is controlled by PDCCH.

[0051] In some cases, such as when the network device ends the active time of the terminal device, the network device does not know the exact time when the terminal device decodes the medium access control (MAC) control element (CE) (e.g., DRX command MAC CE) and applies it. This means that if a DCP / WUS opportunity occurs during an ambiguous time between the terminal device and the network device, there is ambiguity in the network device as to whether the terminal device will decode the DCP / WUS. In addition, such an ambiguous period may overlap with some or all DCP opportunities.

[0052] This makes it difficult for the network equipment to know that the terminal device will report CSI based on a configuration given for the case where the drx-onDuration timer is not started by the DCP, or that the terminal device reports CSI based on the case where the drx-onDuration timer is started by the DCP or where (multiple) DCP occasions overlap with active time.

[0053] Based on the conventional technology, the ambiguity period is only applicable to determining possible uplink transmission, but not to PDCCH reception, which means that the terminal device needs to continue PDCCH reception during the ambiguity period, and if the network device wants to stop the active time, the terminal device does not stop. It will also be impossible to do this for DCP, because it does not require the terminal device to be able to receive DCP and other PDCCHs for scheduling at the same time.

[0054] According to an embodiment of the present disclosure, the terminal device determines whether a predetermined number of opportunities in one or more opportunities overlap with the active time of the terminal device based on the transmission information at the first time point. The terminal device defines or generates a configuration for sending uplink information based on the determination. In this way, ambiguity is reduced and the flexibility of the network is improved.

[0055] Figure 2 A schematic diagram of a communication system in which embodiments of the present disclosure may be implemented is shown. The communication system 200 as part of a communication network includes a device 210-1, a device 210-2, ..., a device 210-N, which may be collectively referred to as a "first device 210". The communication system 100 also includes a second device 220. One or more devices are associated with a cell and are covered by the cell. It should be understood that Figure 2 The number of devices and cells shown in is given for the purpose of illustration and does not impose any limitation. The communication system 200 may include any suitable number of devices and cells. In the communication system 200, the first device 210 and the second device 220 can communicate data and control information with each other. In the case where the first device 110 is a terminal device and the second device 220 is a network device, the link from the second device 220 to the first device 110 is called a downlink (DL), and the link from the first device 110 to the first device 110 is called an uplink (UL). For the purpose of illustration, the number of devices and cells shown in FIG. 2 is given for the purpose of illustration and does not impose any limitation. The ... Figure 2 The number of devices shown in the figure is not limited to any number. The second device 220 and the third device 130 are interchangeable.

[0056] The communication in the communication system 100 may be implemented according to any appropriate one or more communication protocols, including but not limited to cellular communication protocols of the first generation (1G), second generation (2G), third generation (3G), fourth generation (4G) and fifth generation (5G), wireless local area network communication protocols such as Institute of Electrical and Electronics Engineers (IEEE) 802.11, and / or any other protocol currently known or developed in the future. In addition, the communication may utilize any appropriate wireless communication technology, including but not limited to: code division multiple access (CDMA), frequency division multiple access (FDMA), time division multiple access (TDMA), frequency division duplex (FDD), time division duplex (TDD), multiple input multiple output (MIMO), orthogonal frequency division multiplexing (OFDM), discrete Fourier transform spread OFDM (DFT-s-OFDM), and / or any other technology currently known or developed in the future.

[0057] Figure 3 A schematic diagram of an interaction 300 between devices according to some embodiments of the present disclosure is shown. The interaction 300 may be implemented at any suitable device. For illustrative purposes only, the interaction 300 is described as being implemented at the first device 210-1 and the second device 220.

[0058] The second device 220 determines 3005 one or more occasions configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication. In one embodiment, there is only one occasion. In one embodiment, there are multiple occasions. The PDCCH transmission may be addressed to a specific radio network temporary identifier. In some embodiments, the PDCCH transmission may be addressed to a power save radio network temporary identifier (PS-RNTI). Figure 4 As shown, the second device 220 may determine a plurality of opportunities including opportunity 410-1, opportunity 410-2, and opportunity 410-3. It should be noted that the number of opportunities for monitoring the wake-up signal may be any suitable number. In an example embodiment, the second device 220 and the first device 210-1 may be configured to have a short DRX cycle. Alternatively or additionally, the second device 220 and the first device 210-1 may be configured to have a long DRX cycle.

[0059] The second device 220 sends information indicating one or more opportunities to the first device 210-1. In some embodiments, the information may be sent via physical layer (PHY) signaling. Alternatively or additionally, the information may be sent via MAC signaling. In other embodiments, the information may be sent via RRC signaling. In some embodiments, the information indicating one or more opportunities may also include Figure 4 The predetermined duration 4010 or 4015. A detailed description of the duration will be discussed later.

[0060] The second device 220 may determine 3015 further information indicating whether a predetermined number of the one or more opportunities 410 are within the duration. In an example embodiment, the second device 220 may configure or specify whether the first device 210-1 should consider all opportunities or only a subset of the opportunities, i.e., determine what the predetermined number of the one or more opportunities is. This may depend, for example, on whether the information in the opportunities is the same, or whether the information in the opportunities is different. Figure 4 As shown, multiple opportunities 410 are not within duration 4010 but are within duration 4015.

[0061] The first device 210-1 determines 3025 whether a predetermined number of opportunities in one or more opportunities overlap with the activity time of the first device 210-1 based on the transmission information available at the first point in time. The predetermined number can be any suitable integer, such as 1, 2, ..., or the total number of one or more opportunities. In some embodiments, the predetermined number of opportunities in one or more opportunities can be determined based on a configuration from the second device 220. Alternatively or additionally, the predetermined number of opportunities in one or more opportunities can be determined based on whether the information transmitted in the one or more opportunities is the same or different. In other embodiments, the predetermined number of opportunities in one or more opportunities can be a predetermined value.

[0062] The active time includes at least one of the following: an active time associated with a discontinuous reception (DRX) cycle, a bandwidth part switching gap, or a measurement gap. Figure 4 As shown, if the first device 210-1 wants to determine whether the first device 210-1 is expected to monitor multiple opportunities before / at time point t3, the first device 210 may make the determination at time point t1. Figure 4 As shown, time point t1 is the duration 4010 before time point t3. As another example, Figure 4 As shown, if the first device 210-1 wants to determine whether the first device 210-1 can monitor multiple opportunities before / at time point t4, the first device 210 may make a determination at time point t2. Figure 4 As shown, time point t2 is a duration 4015 before time point t4. As described above, the duration can be configured by the second device 220. Alternatively or additionally, the duration can be predefined and can be, for example, 4 milliseconds. The duration can correspond to the fuzzy period discussed previously. In one embodiment, the duration can be determined to start at the receipt of signaling that instructs the first device to end the activity time of the first device.

[0063] In some embodiments, the transmission information available at the first time point (or the second time point in another non-limiting example) includes at least one of the following: authorization (or uplink authorization), assignment (or downlink control), DRX command MAC CE, long DRX command MAC CE, and scheduling request.

[0064] In an example embodiment, the first device 210-1 may determine whether the first device 210-1 is in an active time based on transmission information available at the first point in time. For example, the first device 210-1 may be in a DRX active time. For example, the first device 210-1 may be in a measurement gap. Alternatively or additionally, the first device 210-1 may be in a BWP switching gap.

[0065] If the first device 210-1 is in the active time, the first device 210-1 may determine to skip monitoring the plurality of occasions 410. Alternatively, if the first device 210-1 is not in the active time, the first device 210-1 may determine to monitor the plurality of occasions 410.

[0066] The second device 220 may determine 3030 other information indicating whether the information sent at one or more occasions is the same. The second device 220 may send 3035 the other information to the first device 210-1. In some embodiments, the other information may be sent via PHY signaling. For example, the PHY signaling may be downlink control information or a wake-up signal. Alternatively or additionally, the information may be sent via MAC signaling, such as MAC CE. In other embodiments, the information may be sent via RRC signaling, such as RRC reconfiguration or system information. The second device 220 may send a wake-up signal to the first device 210-1.

[0067] The second device 220 determines 3036 whether the first device is expected to monitor a predetermined number of one or more occasions between a first time point and another time point (e.g., time points t1 and t3). The determination 3036 is based on transmission information associated with the first device and available at the first time point. Time point t1 (or t2, depending on the embodiment) can be viewed as a decision point on how to determine the uplink report for the next DRX onDuration. For example, the first device 210-1 can determine at this time how many DCP occasions are configured to occur before time point t3, which ends the ambiguous activity time of the first device.

[0068] The first device 210-1 generates 3040 a configuration for sending uplink information based on the determination 3025. The first device 210-1 sends 3045 uplink information to the second device 220, for example in a drx-onDuration timer. For example, the other time point may be, for example, during the operation of the DRX on-duration timer or in the next DRX cycle. Thus, the other time point may be a predetermined time interval occurring after the ambiguity period, i.e., after any (multiple) overlapping opportunities. For example, the uplink information may be a CSI report. Alternatively or in addition, the uplink information may be a sounding reference signal (SRS). It should be noted that the uplink information may be any suitable uplink information.

[0069] In some embodiments, if the first device is in active time or BWP switching gap when the DCP opportunity occurs, the first device 210-1 may determine a first configuration associated with a running persistence timer for discontinuous transmission. The first device 210-1 may send uplink information based on the first configuration. Figure 4 As shown, in the drx-onDuration timer duration 4020, timing 4040-1, timing 4040-2, timing 4040-3, timing 4040-4, timing 4040-5, timing 4040-6 and timing 4040-7 are configured to transmit uplink information while the duration timer is running.

[0070] In some embodiments, if the ambiguity period ends when a DCP opportunity occurs, the first device 210-1 can attempt to monitor one or more opportunities. If the first device 210-1 cannot detect the wake-up signal / indication (i.e., cannot detect the PDCCH transmission on the non-overlapping opportunity), the first device 210-1 can determine a second configuration that is associated with the duration timer for discontinuous reception not running. The first device 210-1 can send uplink information based on the second configuration. Figure 4 As shown, in the drx-onDuration timer duration 4020, a timing 4030-1, a timing 4030-2, a timing 4030-3, and a timing 4030-4 are configured for uplink information when the duration timer is not running.

[0071] In an example embodiment, if the information 3010 indicates that one or more opportunities 410 are within a duration between a first time point and another time point (e.g., t3), the first device 210-1 may determine a first configuration associated with a duration timer for discontinuous transmission that is running. The first device 210-1 may send uplink information based on the first configuration. In some embodiments, the first device 210-1 may determine to start the duration timer.

[0072] In an example embodiment, if the information allowed to be sent in one or more opportunities is different and a predetermined number of opportunities in the plurality of opportunities 410 overlap with the active time, the first device 210-1 may determine a first configuration associated with the duration timer for discontinuous reception that is running. The first device 210-1 may send uplink information based on the first configuration.

[0073] In some embodiments, if the first device 210-1 is expected to monitor a predetermined number of opportunities in one or more opportunities, the first device 210-1 may detect a wake-up signal during a predetermined number of opportunities in the plurality of opportunities 410. If the first device 210-1 is able to decode the detected wake-up signal, the first device 210-1 may send uplink information based on the wake-up signal. For example, the first device 210-1 may not be in active time / measurement gap / BWP switching and cannot receive another scheduling (e.g., receiving a DRX command MAC CE by the first device 210-1), the first device 210-1 may send uplink information based on DCP decoding itself.

[0074] In other embodiments, if a predetermined number of the one or more occasions do not overlap with the active time of the first device 210-1, the first device 210-1 may detect a PDCCH transmission during a predetermined number of the one or more occasions, the PDCCH transmission carrying a wake-up indication / wake-up signal. The first device 210-1 may detect the wake-up signal during at least one occasion, and may send uplink information to the second device based on the detected wake-up signal. In some embodiments, if the first device 210-1 cannot decode the wake-up signal / wake-up indication in the PDCCH transmission, the first device 210-1 may determine to start DRX on the duration timer and send uplink information based on a first configuration, the first configuration being associated with the duration timer for DRX that is running.

[0075] Alternatively or additionally, if the information transmitted in a predetermined number of one or more occasions is the same, and at least one of the plurality of occasions is different from another time point (eg, Figure 4The first device 210-1 may detect a non-overlapping wake-up signal after the fuzzy period and before the DRX onDuration. The first device 210-1 may decode the detected wake-up signal during at least one opportunity and may send uplink information to the second device based on the wake-up signal.

[0076] Table 1 below shows an example proposal of CR for MAC operation in power saving. It should be noted that the proposal shown in Table 1 is only an example.

[0077] Table 1

[0078]

[0079]

[0080]

[0081] For example, if the first device 210-1 is in an active state at point t1 and receives, for example, a DRX command MAC CE from the second device to end the active time, the ambiguity period may last until time point t3 (e.g., 4 ms). The configuration information received in step 3010 may indicate that all opportunities or a subset of opportunities (e.g., a predetermined number of opportunities) may overlap with the ambiguity period. In this way, the second device 210 cannot determine whether the first device 210-1 will monitor overlapping opportunities. For safety reasons, both devices may assume that there is no monitoring of overlapping opportunities.

[0082] In one embodiment, if all opportunities overlap with the ambiguous period (also referred to as the activity time of the first device, the expected activity time of the first device, or the ambiguous activity time of the first device), the first device 210-1 may determine to skip monitoring of the overlapping opportunities according to a certain configuration (e.g., the first configuration), and determine to start the DRX onDuration timer and report the CSI (or other uplink signaling).

[0083] On the other hand, if no opportunities overlap with the ambiguous period, the first device 210-1 may monitor these opportunities. If the first device 210-1 detects a wake-up signal at (multiple) opportunities, the first device 210-1 may determine to start the DRX onDuration timer and report CSI (or other uplink signaling) according to a specific configuration (e.g., a first configuration). If the first device 210-1 does not detect a wake-up signal at (multiple) opportunities, the first device 210-1 may avoid starting the DRX onDuration timer and reporting CSI (or other uplink signaling) according to a different configuration (e.g., a second configuration).

[0084] In one embodiment, if a subset of opportunities overlaps with the ambiguous time, and if the information included in the opportunities is the same, the first device 210-1 may monitor (multiple) non-overlapping opportunities. If the first device 210-1 detects a wake-up signal at the non-overlapping (multiple) opportunities, the first device 210-1 may determine to start the DRX onDuration timer and report CSI (or other uplink signaling) according to a specific configuration (e.g., a first configuration). If the first device 210-1 does not detect a wake-up signal at the non-overlapping (multiple) opportunities, the first device 210-1 may avoid starting the drx onDuration timer and report CSI according to a different configuration (e.g., a second configuration).

[0085] In one embodiment, if a subset of the opportunities overlaps with the ambiguous time, and if the information included in the opportunities may be different (not required but may be), the first device 210-1 may determine to skip monitoring at all opportunities (overlapping and non-overlapping), and the first device 210-1 may determine to start the DRX onDuration timer and report CSI (or other uplink signaling) according to a specific configuration (e.g., the first configuration).

[0086] The first device 210-1 may also be configured to perform differently based on detection of a wake-up signal. For example, if the first device does not detect any wake-up signal at a non-overlapping timing, the first device may determine to start a DRX onDuration timer and report CSI (or other uplink signaling) according to a specific configuration (e.g., a first configuration).

[0087] In one embodiment, the first device 210-1 can determine a time offset (time_offset) (=ambiguity time) before (multiple) DCP opportunities at which the first device 210-1 cannot decode the DCP opportunities, wherein the first device 210-1 can start the drx-onDuration timer and generate a CSI report according to the rules when the drx-onDuration timer is started / running.

[0088] In one embodiment, the first device 210-1 may determine a time_offset (i.e., an ambiguous time) before the DCP opportunity(s) that the first device 210-1 will not be in active time / measurement gap / BWP switch / etc., preventing decoding of the DCP opportunity. However, the first device 210-1 cannot know at this time whether this assumption is true (e.g., the second device 220 may schedule the first device 210-1 after this point). In this case, the first device 210-1 may assume that the drx-onDuration timer is not started, and base the CSI reporting on the rules when the drx-onDuration timer is not started / running. In an alternative embodiment, the first device 210-1 may assume that the drx-onDuration timer is started, and base the CSI reporting on the rules when the drx-onDuration timer is started / running.

[0089] In one embodiment, the first device 210-1 determines the time_offset (i.e., the ambiguity time) before the DCP opportunity (s) of the first device 210-1 will not be active time / measurement gap / BWP switching, etc., preventing the DCP opportunity from being decoded and unable to receive another schedule (e.g., a DRX command MAC CE is received by the first device 210-1). In this case, the first device 210-1 may base the CSI report on the DCP decoding itself, i.e., whether the DCP will start the drx-onDuration timer.

[0090] Figure 5 1 is a flowchart of a method 500 according to an embodiment of the present disclosure. The method 500 may be implemented at any suitable device. For example, the method may be implemented at the first device 210-1.

[0091] At block 510, the first device 210-1 receives information from the second device 220 indicating one or more opportunities for detection of a PDCCH transmission carrying a wake-up indication. In some embodiments, the information may be sent via PHY signaling. Alternatively or additionally, the information may be sent via MAC signaling. In other embodiments, the information may be sent via RRC signaling.

[0092] At block 520, the first device 210-1 determines whether a predetermined number of opportunities in the one or more opportunities overlap with an active time of the first device (the active time may also be referred to as an ambiguous active time or an ambiguous time, for example, between time points t1 and t3, or between time points t2 and t4, or between t1 and t4) based on the transmission information available at the first time point. In some embodiments, the transmission information at the first time point includes at least one of the following: a grant, an assignment, a received DRX command MAC CE, a long DRX command MAC CE, and a scheduling request.

[0093] In an example embodiment, the first device 210-1 may determine whether the first device 210-1 is in an active time at the first time point based on the transmission information. For example, the first device 210-1 may be in a measurement gap. Alternatively or additionally, the first device 210-1 may be in a BWP switching gap.

[0094] If the first device 210-1 is in the active time, the first device 210-1 may determine to skip monitoring the plurality of occasions 410. Alternatively, if the first device 210-1 is not in the active time, the first device 210-1 may determine to monitor the plurality of occasions 410.

[0095] At block 530, the first device 210-1 generates a configuration for sending uplink information based on the determination at block 520. For example, the uplink information may be a CSI report. Alternatively or additionally, the uplink information may be an SRS. It should be noted that the uplink information may be any suitable uplink information.

[0096] At block 540, the first device 210-1 sends uplink information to the second device 220 based on the configuration (where the second time point may be a time interval including the DRX onDuration of the DRX cycle). In some embodiments, if one or more opportunities overlap with the activity time of the first device 210-1 (i.e., ambiguous time), the first device 210-1 may determine a first configuration associated with discontinuous transmission on a running duration timer. The first device 210-1 may send the uplink information based on the first configuration. Figure 4 As shown, in the drx-onDuration timer duration 4020, timing 4040-1, timing 4040-2, timing 4040-3, timing 4040-4, timing 4040-5, timing 4040-6 and timing 4040-7 are configured to send uplink information when the duration timer runs / starts.

[0097] In some embodiments, if a predetermined number of one or more occasions do not overlap with the active time, the first device 210-1 may monitor for a wake-up signal during the one or more occasions. If the first device 210-1 cannot detect the wake-up signal, the first device 210-1 may not determine to start the DRX timer and determine a second configuration associated with a duration timer for discontinuous reception that is not running / started. The first device 210-1 may send uplink information based on the second configuration. Figure 4 As shown, during the drx-onDuration timer opportunity 4020, the opportunities 4030-1, 4030-2, 4030-3, and 4030-4 are configured to transmit uplink information when the duration timer is not started.

[0098] In an example embodiment, if the other information indicates that a predetermined number of the one or more opportunities 410 are within a duration between the first time point and the other time point, the first device 210-1 may determine a first configuration associated with discontinuous transmission when the duration timer is started. The first device 210-1 may send uplink information based on the first configuration.

[0099] In an example embodiment, if information transmitted in a predetermined number of opportunities in one or more opportunities may be different, and the predetermined number of opportunities in the plurality of opportunities 410 overlap with an active time of the first device 210-1, the first device 210-1 may determine a first configuration associated with a duration timer for discontinuous transmission. The first device 210-1 may transmit uplink information based on the first configuration.

[0100] In some embodiments, if the first device 210-1 is expected to monitor multiple opportunities, the first device 210-1 may monitor the wake-up signal during a predetermined number of opportunities in one or more opportunities 410. The first device 210-1 is able to detect the wake-up signal, and the first device 210-1 may send uplink information based on the wake-up signal. For example, the first device 210-1 may not be in the active time / measurement gap / BWP switching and cannot receive another scheduling (for example, a DRX command MAC CE is received by the first device 210-1), and the first device 210-1 may send uplink information based on DCP decoding itself.

[0101] In other embodiments, if a predetermined number of the one or more opportunities do not overlap with the active time, the first device 210-1 may monitor for a wake-up signal during a predetermined number of the one or more opportunities. The first device 210-1 may detect the wake-up signal during at least one opportunity and may send uplink information to the second device based on the wake-up signal.

[0102] Alternatively or additionally, if the information transmitted in the one or more opportunities is the same and at least one of the one or more opportunities does not overlap with the active time, the first device 210-1 may detect the wake-up signal during at least one non-overlapping opportunity. The first device 210-1 may decode the detected wake-up signal during the at least one non-overlapping opportunity and may send uplink information to the second device based on the wake-up signal.

[0103] Figure 6 A flow chart of method 600 is shown. Method 600 can be implemented on any suitable device. For example, the method can be implemented at network device 220.

[0104] At block 610, the second device 220 determines one or more occasions configured for detection of a PDCCH transmission carrying a wake-up indication. In an example embodiment, the second device 220 and the first device 210-1 may be configured to have a short DRX cycle. Alternatively or additionally, the second device 220 and the first device 210-1 may be configured to have a long DRX cycle.

[0105] At block 620, the second device 220 sends information to the first device 210-1. In some embodiments, the information may be sent via PHY signaling. Alternatively or additionally, the information may be sent via MAC signaling. In other embodiments, the information may be sent via RRC signaling. In some embodiments, the information may also include a predetermined duration.

[0106] In some embodiments, the second device 220 may determine further information indicating whether one or more opportunities 410 are within the duration, and the second device 220 may send the further information to the first device 210-1. In an example embodiment, the second device 220 may configure or specify whether the first device 210-1 should consider all opportunities or only a subset of them.

[0107] At box 630, the second device 220 determines whether the first device is expected to monitor a predetermined number of opportunities in one or more opportunities. The determination is based on the transmission information associated with the first device at the first point in time. In some embodiments, the second device 220 may determine other information indicating whether the information in one or more opportunities is the same for multiple opportunities. The second device 220 may send the other information to the first device 210-1. In some embodiments, the other information may be sent via PHY signaling. For example, the PHY signaling may be downlink control information or a wake-up signal. Alternatively or additionally, the information may be sent via MAC signaling, such as a MAC CE. In other embodiments, the information may be sent via RRC signaling, such as RRCReconfiguration or system information.

[0108] At block 640, the second device 220 receives uplink information from the first device 210-1. For example, the uplink information may be a CSI report. Alternatively or additionally, the uplink information may be an SRS. It should be noted that the uplink information may be any suitable uplink information.

[0109] In some embodiments, if the first device is not expected to monitor multiple opportunities, the second device 220 may receive uplink information based on the first configuration. In an example embodiment, if the other information indicates that multiple opportunities overlap with the activity time of the first device 210-1, the second device 220 may receive uplink information based on the first configuration.

[0110] In some embodiments, if the first device 210 - 1 is capable of monitoring multiple opportunities and is unable to decode the detected wake-up signal, the second device 220 may receive uplink information based on a second configuration associated with the absence of a discontinuous transmission timer.

[0111] In an example embodiment, if the information sent in the predetermined number of opportunities can be different and the predetermined number of opportunities overlap with the ambiguity period, the second device 220 can receive the uplink information based on the first configuration. This may be because if the first device cannot detect all wake-up signals with different content, then based only on those wake-up signals after the active time, the first device cannot reliably know how to take action in the next on time period (i.e., the ambiguity period).

[0112] In some embodiments, if the first device 210 - 1 is expected to monitor multiple opportunities and is capable of decoding the detected wake-up signal, the second device 220 can receive uplink information based on the decoded wake-up signal.

[0113] In other embodiments, if at least one of the plurality of opportunities is outside the active time and the first device 210 - 1 may decode the detected wake-up signal during the at least one opportunity, the second device 220 may transmit the uplink information based on the decoded wake-up signal.

[0114] Alternatively or additionally, if the wake-up signals are the same and at least one of the multiple opportunities is outside the active time, the first device 210-1 may decode the detected wake-up signal during at least one opportunity after the active time, in which case the second device 220 may receive uplink information based on the detected wake-up signal. This may be because, even if the first device cannot detect all wake-up signals, it is sufficient for the first device to decode one or more wake-up signals in the active time after the active time and, based on this, reliably know how to act in the next cycle.

[0115] In an embodiment, an apparatus for executing method 500 (eg, first device 210-1) may include corresponding components for executing corresponding steps in method 500. These components may be implemented in any appropriate manner. For example, it may be implemented by a circuit or a software module.

[0116] In some embodiments, the apparatus includes: a component for receiving information indicating one or more opportunities from a second device at a first device, the one or more opportunities being configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication; a component for determining whether a predetermined number of opportunities in the one or more opportunities overlap with an active time of the first device based on transmission information available at a first point in time, wherein the predetermined number of opportunities in the one or more opportunities is after the first point in time; a component for determining a configuration for sending uplink information based on the determination; and a component for sending uplink information to the second device based on the configuration.

[0117] In some embodiments, the transmission information available at the first time point includes at least one of: a grant, an assignment, a discontinuous reception (DRX) command medium access control (MAC) control element (CE), a long DRX command MAC CE, and a scheduling request.

[0118] In some embodiments, the PDCCH transmission is addressed to a power saving radio network temporary identifier.

[0119] In some embodiments, the apparatus further includes: a component for determining at a first point in time whether the first device is in or will be in active time at a predetermined number of times in one or more times; a component for determining to skip monitoring a predetermined number of times in one or more times if it is determined that the first device is in or will be in active time; or a component for determining to monitor a predetermined number of times in one or more times if it is determined that the first device is not in or will not be in active time.

[0120] In some embodiments, the means for sending uplink information to the second device includes: if a predetermined number of one or more occasions are determined to overlap with the activity time of the first device, a means for sending the uplink information based on a first configuration associated with a duration timer for discontinuous reception that is running.

[0121] In some embodiments, the component for sending uplink information to the second device includes: if it is determined that a predetermined number of one or more occasions do not overlap with the activity time of the first device, the component for sending the uplink information based on a second configuration, and the second configuration is associated with a duration timer for discontinuous reception that is not running.

[0122] In some embodiments, the component for sending uplink information to the second device includes: a component for monitoring PDCCH transmission during a predetermined number of opportunities in one or more opportunities if it is determined that the predetermined number of opportunities in the one or more opportunities do not overlap with the active time of the first device; a component for sending uplink information based on a second configuration if it is determined that the first device has not detected the PDCCH transmission, the second configuration being associated with a duration timer for discontinuous reception that is not running; or a component for sending uplink information based on a detected PDCCH transmission if it is determined that the first device has detected the PDCCH transmission.

[0123] In some embodiments, the component for sending uplink information to the second device includes: a component for monitoring PDCCH transmission during a predetermined number of opportunities in one or more opportunities if it is determined that the predetermined number of opportunities in the one or more opportunities do not overlap with the activity time of the first device; a component for determining to start a duration timer for discontinuous reception if it is determined that the first device has not detected the PDCCH transmission; a component for sending uplink information based on a first configuration, the first configuration being associated with the duration timer for discontinuous reception that is running; and a component for sending uplink information based on the detected PDCCH transmission if it is determined that the first device has detected the PDCCH transmission.

[0124] In some embodiments, the component for sending uplink information to the second device includes: if it is determined that the information sent in one or more occasions is the same and at least one of the one or more occasions does not overlap with the active time of the first device, then a component for detecting at least one PDCCH transmission during at least one non-overlapping opportunity, and a component for sending uplink information to the second device based on the detected at least one PDCCH transmission.

[0125] In some embodiments, a component for sending uplink information to a second device includes: a component for sending the uplink information based on a first configuration if it is determined that the information allowed to be sent in one or more opportunities is different and a predetermined number of the one or more opportunities overlap with the active time of the first device, and the first configuration is associated with a duration timer for discontinuous reception that is running.

[0126] In some embodiments, the predetermined number of opportunities in the one or more opportunities is based on at least one of the following: a configuration from the second device, whether the information in the one or more opportunities is the same, whether it is allowed to be different, or whether it is a predetermined value

[0127] In some embodiments, the active time comprises at least one of: an active time associated with a discontinuous reception (DRX) cycle, a bandwidth part switching gap, or a measurement gap.

[0128] In some embodiments, the first device comprises a terminal device and the second device comprises a network device.

[0129] In an embodiment, an apparatus for executing method 600 (eg, second device 220) may include corresponding components for executing corresponding steps in method 600. These components may be implemented in any suitable manner. For example, it may be implemented by a circuit or a software module.

[0130] In some embodiments, the apparatus includes: a component for determining one or more occasions at a second device, the one or more occasions being configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication; a component for sending information indicating one or more occasions to a first device; a component for determining whether the first device is expected to monitor a predetermined number of occasions in the one or more occasions based on transmission information available at the first device at a first point in time, the predetermined number of occasions in the one or more occasions being after the first point in time; and a component for receiving uplink information from the first device based on a configuration, the configuration being determined based on whether the first device is expected to monitor a predetermined number of occasions in the one or more occasions.

[0131] In some embodiments, the means for receiving uplink information from the first device includes: if it is determined that a predetermined number of one or more occasions overlap with the activity time of the first device, the means for receiving the uplink information based on a first configuration associated with a duration timer for discontinuous reception that is running.

[0132] In some embodiments, means for receiving uplink information from the first device includes means for receiving uplink information from the first device based on non-overlapping opportunities if a predetermined number of the one or more opportunities are determined to not overlap with an activity time of the first device.

[0133] In some embodiments, the component for receiving uplink information from the first device includes: if it is determined that the information sent in one or more opportunities is the same and at least one of the one or more opportunities does not overlap with the activity time of the first device, a component for receiving uplink information from the first device based on at least one non-overlapping opportunity.

[0134] In some embodiments, a component for receiving uplink information from a first device includes: a component for receiving uplink information based on a first configuration if it is determined that the information allowed to be sent in one or more opportunities is different and a predetermined number of the one or more opportunities overlap with the active time of the first device, the first configuration being associated with a duration timer for discontinuous reception that is running.

[0135] In some embodiments, the component for receiving uplink information from the first device includes: if it is determined that a predetermined number of one or more occasions do not overlap with the activity time of the first device, the component for receiving the uplink information based on a second configuration, the second configuration being associated with a duration timer for discontinuous reception that is not running.

[0136] In some embodiments, the component for receiving uplink information includes: a component for receiving the uplink information based on a second configuration if it is determined that a predetermined number of opportunities in one or more opportunities do not overlap with the active time of the first device and it is determined that the first device does not detect a PDCCH transmission in the non-overlapping opportunities, the second configuration being associated with a duration timer for discontinuous reception that is not running; and a component for receiving the uplink information based on at least one detected PDCCH transmission if it is determined that the first device detects at least one PDCCH transmission in the non-overlapping opportunities.

[0137] In some embodiments, the active time comprises at least one of: an active time associated with a discontinuous reception (DRX) cycle, a bandwidth part switching gap, or a measurement gap.

[0138] In some embodiments, the first device comprises a terminal device and the second device comprises a network device.

[0139] Figure 7 700 is a simplified block diagram of a device 700 suitable for implementing an example embodiment of the present disclosure. The device 700 may be provided to implement a communication device, such as Figure 2 The first device 210, the second device 220 or the third device 230 shown in FIG. As shown in the figure, the device 700 includes one or more processors 710, one or more memories 720 coupled to the processor 710, and one or more communication modules 740 coupled to the processor 710.

[0140] The communication module 740 is used for two-way communication. The communication module 740 has at least one antenna to facilitate communication. The communication interface may represent any interface required to communicate with other network elements.

[0141] Processor 710 may be of any type suitable for a local area technology network, and may include, as non-limiting examples, one or more of: a general purpose computer, a special purpose computer, a microprocessor, a digital signal processor (DSP), and a processor based on a multi-core processor architecture. Device 700 may have multiple processors, such as application specific integrated circuit chips, which are time-slaved to a clock synchronized with a main processor.

[0142] The memory 720 may include one or more non-volatile memories and one or more volatile memories. Examples of non-volatile memories include, but are not limited to, read-only memory (ROM) 724, electrically programmable read-only memory (EPROM), flash memory, hard disk, compact disk (CD), digital video disk (DVD), and other magnetic storage and / or optical storage. Examples of volatile memories include, but are not limited to, random access memory (RAM) 722 and other volatile memories that do not persist over the duration of a power outage.

[0143] The computer program 730 includes computer executable instructions that are executed by the associated processor 710. The program 730 may be stored in a memory, such as in the ROM 724. The processor 710 may perform any suitable actions and processes by loading the program 730 into the RAM 722.

[0144] The exemplary embodiments of the present disclosure may be implemented with the aid of program 730, so that device 700 may execute reference Figures 2 to 6 Any process of the present disclosure discussed. The exemplary embodiments of the present disclosure may also be implemented by hardware or by a combination of software and hardware.

[0145] In some example embodiments, the program 730 may be tangibly embodied in a computer-readable medium, which may be included in the device 700 (such as in the memory 720) or in other storage devices accessible to the device 700. The device 700 may load the program 730 from the computer-readable medium to the RAM 722 for execution. The computer-readable medium may include any type of tangible non-volatile storage, such as ROM, EPROM, flash memory, hard disk, CD, DVD, etc. Figure 8 An example of a computer readable medium 800 in the form of a CD or DVD is shown. The computer readable medium has a program 730 stored thereon.

[0146] It should be understood that future networks may utilize network function virtualization (NFV), which is a network architecture concept that proposes a method of virtualizing network node functions into "components" or entities that can be operationally connected or linked together to provide services. A virtualized network function (VNF) may include one or more virtual machines that run computer program code using standard or general-purpose servers rather than custom hardware. Cloud computing or data storage may also be used. In radio communications, this may mean that node operations are performed at least in part in a central / centralized unit CU (e.g., a server, host, or node) (e.g., a radio head / node) that is operably coupled to a distributed unit DU. Node operations may also be distributed among multiple servers, nodes, or hosts. It should also be understood that the distribution of labor between core network operations and base station operations may vary depending on the implementation.

[0147] In one embodiment, the server may generate a virtual network through which the server communicates with the distributed units. In general, virtual networking may involve the process of combining hardware and software network resources and network functions into a single software-based management entity, namely a virtual network. Such a virtual network may provide a flexible allocation of operations between the server and the radio head / node. In fact, any digital signal processing task may be performed in the CU or DU, and the boundary at which responsibility is transferred between the CU and DU may be selected based on the implementation.

[0148] Thus, in some embodiments, a CU-DU architecture is implemented. In this case, the device 700 may be included in a central unit (e.g., a control unit, an edge cloud server, a server), which is operably coupled to a distributed unit (e.g., a remote radio head / node) (e.g., via a wireless or wired network). That is, the central unit (e.g., an edge cloud server) and the distributed units may be independent devices that communicate with each other via a radio path or via a wired connection. Alternatively, they may be in the same entity that communicates via a wired connection, etc. The edge cloud or edge cloud server may serve multiple distributed units or radio access networks. In one embodiment, at least some of the described processes may be performed by the central unit. In another embodiment, the device 700 may alternatively be included in a distributed unit, and at least some of the described processes may be performed by the distributed unit.

[0149] In some embodiments, the execution of at least some functions of the device 700 can be shared between two physically separate devices (DU and CU) that form an operational entity. Therefore, it can be seen that the device depicts an operational entity including one or more physically separate devices for performing at least some of the described processes. In one embodiment, such a CU-DU architecture can provide a flexible allocation of operations between the CU and the DU. In fact, any digital signal processing task can be performed in the CU or the DU, and the boundary at which responsibility is transferred between the CU and the DU can be selected depending on the implementation. In one embodiment, the device 700 controls the execution of the process regardless of the location of the device and where the process / function is executed.

[0150] Generally, various embodiments of the present disclosure may be implemented in hardware or dedicated circuits, software, logic, or any combination thereof. Some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software that can be executed by a controller, microprocessor, or other computing device. Although various aspects of the embodiments of the present disclosure are illustrated and described as block diagrams, flow charts, or using some other graphical representations, it should be understood that, as non-limiting examples, the boxes, devices, systems, techniques, or methods described herein may be implemented in hardware, software, firmware, dedicated circuits or logic, general hardware or controllers or other computing devices, or some combination of the foregoing.

[0151] The present disclosure also provides at least one computer program product tangibly stored on a non-transitory computer-readable storage medium. The computer program product includes computer executable instructions, such as those included in a program module, which are executed on a target real or virtual processor in a device to perform the above-referenced Figures 2 to 3Any method described. Typically, program modules include routines, programs, libraries, objects, classes, components, data structures, etc. that perform specific tasks or implement specific abstract data types. In various embodiments, the functionality of program modules can be combined or divided between program modules as needed. Machine executable instructions for program modules can be executed in local devices or distributed devices. In distributed devices, program modules can be located in local and remote storage media.

[0152] The program code for executing the method of the present disclosure can be written in any combination of one or more programming languages. These program codes can be provided to a processor or controller of a general-purpose computer, a special-purpose computer or other programmable data processing device, so that when the program code is executed by the processor or controller, the functions / operations specified in the flow chart and / or block diagram are implemented. The program code can be executed entirely on the machine, partially on the machine, as an independent software package, partially on the machine and partially on a remote machine, or entirely on a remote machine or server.

[0153] In the context of the present disclosure, computer program codes or related data may be carried by any suitable carrier to enable a device, apparatus or processor to perform various processes and operations as described above. Examples of carriers include signals, computer readable media, etc.

[0154] The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable medium may include, but is not limited to, an electrical, magnetic, optical, electromagnetic, infrared or semiconductor system, device or apparatus, or any suitable combination of the foregoing. More specific examples of computer readable storage media would include an electrical connection with one or more wires, a portable computer floppy disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0155] In addition, although operations are depicted in a particular order, this should not be understood as requiring such operations to be performed in the particular order shown or in a continuous order, or to perform all illustrated operations to achieve the desired result. At certain times, multitasking and parallel processing may be advantageous. Similarly, although several specific implementation details are included in the above discussion, these details should not be interpreted as limitations on the scope of the present disclosure, but should be interpreted as descriptions of features that may be specific to a particular embodiment. Certain features described in the context of separate embodiments may also be implemented in combination in a single embodiment. On the contrary, the various features described in the context of a single embodiment may also be implemented separately in multiple embodiments or in any suitable sub-combination.

[0156] Although the disclosure has been described in language specific to structural features and / or methodological acts, it should be understood that the disclosure defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.

Claims

1. A terminal device (210-1), comprising: means (740) for receiving information indicating one or more occasions (410) from a network device (220), the one or more occasions (410) being configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication; A component (710) for determining whether a predetermined number of the one or more opportunities (410) overlap with an active time of the terminal device (210-1) based on transmission information available at a first time point (t2), wherein the first time point (t2) is 4 milliseconds before the start of a last opportunity of the one or more opportunities (410) for detecting a physical downlink control channel (PDCCH) transmission configured to carry a wake-up indication, wherein the predetermined number of the one or more opportunities (410) is after the first time point (t2), and the transmission information available at the first time point (t2) includes at least one of the following: authorization, assignment, discontinuous reception command medium access control MAC control element CE, long discontinuous reception command MAC CE, and scheduling request; means (710) for determining a configuration for transmitting uplink information based on a determination made by the means (710) for determining whether the predetermined number of the one or more opportunities (410) overlap with the active time of the terminal device (210-1); as well as means (740) for sending the uplink information to the network device (220) based on the configuration, The predetermined number of opportunities in the one or more opportunities (410) is based on at least one of: a configuration from the network device (220), whether the information in the one or more opportunities (410) is the same, whether it is allowed to be different, or whether it is a predetermined value.

2. The terminal device (210-1) according to claim 1, wherein the PDCCH transmission is addressed to a power saving radio network temporary identifier.

3. The terminal device (210-1) according to claim 1, further comprising: means (710) for determining at the first time point (t2) whether the terminal device (210-1) is or will be in an active time at the predetermined number of times among the one or more times (410); and Components (710) for: Determining to skip monitoring the predetermined number of the one or more opportunities (410) based on determining that the terminal device (210-1) is or will be in an active time; or Based on determining that the terminal device (210-1) will not be or is not in an active time, determining to monitor the predetermined number of the one or more occasions (410) is performed.

4. The terminal device (210-1) according to claim 1, wherein the component (740) for sending the uplink information to the network device (220) is configured to: The uplink information is sent based on a first configuration associated with a running discontinuous reception duration timer in response to determining that the predetermined number of the one or more opportunities (410) overlap with an activity time of the terminal device (210-1).

5. The terminal device (210-1) according to claim 1, wherein the component (740) for sending the uplink information to the network device (220) is configured as follows: The uplink information is sent based on a second configuration associated with a discontinuous reception duration timer that is not running, based on determining that the predetermined number of the one or more occasions (410) do not overlap with the activity time of the terminal device (210-1).

6. The terminal device (210-1) according to claim 1, wherein the component (740) for sending the uplink information to the network device (220) is configured as follows: monitoring the PDCCH transmission during the predetermined number of the one or more opportunities (410) based on determining that the predetermined number of opportunities in the one or more opportunities (410) do not overlap with the activity time of the terminal device (210-1); as well as sending the uplink information based on a second configuration associated with a discontinuous reception duration timer not running, in response to determining that the terminal device (210-1) has not detected the PDCCH transmission; or According to determining that the terminal device (210-1) detects the PDCCH transmission, the uplink information is sent based on the detected PDCCH transmission.

7. The terminal device (210-1) according to claim 1, wherein the component (740) for sending the uplink information to the network device (220) is configured as follows: monitoring the PDCCH transmission during the predetermined number of the one or more opportunities (410) based on determining that the predetermined number of opportunities in the one or more opportunities (410) do not overlap with the activity time of the terminal device (210-1); as well as Determining to start a discontinuous reception duration timer based on determining that the terminal device (210-1) has not detected the PDCCH transmission, and sending the uplink information based on a first configuration associated with the running discontinuous reception duration timer; or According to determining that the terminal device (210-1) detects the PDCCH transmission, the uplink information is sent based on the detected PDCCH transmission.

8. The terminal device (210-1) according to claim 1, wherein the component (740) for sending the uplink information to the network device (220) is configured as follows: Based on determining that the information sent in the one or more occasions (410) is the same and at least one of the one or more occasions (410) does not overlap with the activity time of the terminal device (210-1), executing: detecting at least one PDCCH transmission during the at least one non-overlapping opportunity; and The uplink information is sent to the network device (220) based on the detected at least one PDCCH transmission.

9. The terminal device (210-1) according to claim 1, wherein the component (740) for sending the uplink information to the network device (220) is configured as follows: The uplink information is sent based on a first configuration associated with a running discontinuous reception duration timer, based on determining that the information sent in the one or more opportunities (410) is allowed to be different and the predetermined number of opportunities in the one or more opportunities (410) overlap with the active time of the terminal device (210-1).

10. A method for a terminal device (210-1), the method comprising: receiving (510) information indicating one or more occasions (410) from a network device (220), the one or more occasions (410) being configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication; Based on transmission information available at a first point in time (t2), determining (520) whether a predetermined number of the one or more opportunities (410) overlap with an activity time of the terminal device (210-1), wherein the first point in time (t2) is 4 milliseconds before the start of a last opportunity of the one or more opportunities (410) for detecting a physical downlink control channel (PDCCH) transmission configured to carry a wake-up indication, wherein the predetermined number of the one or more opportunities (410) is after the first point in time (t2), and the transmission information available at the first point in time (t2) includes at least one of the following: authorization, assignment, discontinuous reception command medium access control (MAC) control element (CE), long discontinuous reception command (MAC) CE, and scheduling request; determining (530) a configuration for transmitting uplink information based on determining whether the predetermined number of the one or more opportunities (410) overlap with the activity time of the terminal device (210-1); as well as Based on the configuration, sending (540) the uplink information to the network device (220), The predetermined number of opportunities in the one or more opportunities (410) is based on at least one of: a configuration from the network device (220), whether the information in the one or more opportunities (410) is the same, whether it is allowed to be different, or whether it is a predetermined value.

11. A network device (220), comprising: means (710) for determining one or more occasions (410) configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication; means (740) for sending information indicating the one or more opportunities (410) to a terminal device (210-1); means (710) for determining whether the terminal device (210-1) is expected to monitor a predetermined number of the one or more occasions (410) based on transmission information available at the terminal device (210-1) at a first point in time (t2), wherein the first point in time (t2) is 4 milliseconds before the start of a last one of the one or more occasions (410) configured for detection of a physical downlink control channel (PDCCH) transmission carrying the wake-up indication, wherein the predetermined number of the one or more occasions (410) is after the first point in time (t2), and the transmission information available at the first point in time (t2) includes at least one of the following: a grant, an assignment, a discontinuous reception command medium access control (MAC) control element (CE), a long discontinuous reception command (MAC) CE, and a scheduling request; as well as Means (740) for receiving uplink information from the terminal device (210-1) based on a configuration determined based on whether the terminal device (210-1) is expected to monitor the predetermined number of the one or more occasions.

12. The network device (220) of claim 11, wherein the means (740) for receiving the uplink information from the terminal device (210-1) is configured to perform one of the following: receiving the uplink information based on a first configuration associated with a running discontinuous reception duration timer in response to determining that the predetermined number of the one or more opportunities (410) overlap with an activity time of the terminal device (210-1); receiving the uplink information based on a second configuration associated with a discontinuous reception duration timer not running in response to determining that the predetermined number of the one or more occasions (410) do not overlap with the activity time of the terminal device (210-1); as well as Based on determining that the predetermined number of the one or more opportunities (410) do not overlap with the activity time of the terminal device (210-1), the uplink information is received from the terminal device (210-1) based on the non-overlapping opportunities (410).

13. A method for a network device (220), the method comprising: determining (610) one or more occasions (410), the one or more occasions (410) configured for detection of a physical downlink control channel (PDCCH) transmission carrying a wake-up indication; sending (620) information indicating the one or more opportunities (410) to a terminal device (210-1); Determining (630) whether the terminal device (210-1) is expected to monitor a predetermined number of the one or more occasions (410) based on transmission information available at the terminal device (210-1) at a first point in time (t2), wherein the first point in time (t2) is 4 milliseconds before the start of a last opportunity of the one or more occasions (410) for detection of a physical downlink control channel (PDCCH) transmission configured to carry the wake-up indication, wherein the predetermined number of the one or more occasions (410) is after the first point in time (t2), and the transmission information available at the first point in time (t2) includes at least one of the following: a grant, an assignment, a discontinuous reception command medium access control (MAC) control element (CE), a long discontinuous reception command (MAC) CE, and a scheduling request; as well as Uplink information is received (640) from the terminal device (210-1) based on a configuration determined based on whether the terminal device (210-1) is expected to monitor the predetermined number of the one or more occasions.

14. The method of claim 13, wherein receiving (640) the uplink information from the terminal device (210-1) comprises one of: receiving the uplink information based on a first configuration associated with a running discontinuous reception duration timer in response to determining that the predetermined number of the one or more opportunities (410) overlap with an activity time of the terminal device (210-1); receiving the uplink information based on a second configuration associated with a discontinuous reception duration timer not running in response to determining that the predetermined number of the one or more occasions (410) do not overlap with the activity time of the terminal device (210-1); as well as Based on determining that the predetermined number of the one or more opportunities (410) do not overlap with the activity time of the terminal device (210-1), the uplink information is received from the terminal device (210-1) based on the non-overlapping opportunities (410).

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