Methods, devices, and systems for discontinuous data transmission and reception in wireless networks

Abstract

The present disclosure generally relates to methods, devices, and systems for discontinuous data transmission and reception in wireless networks. One method implemented by a wireless device is disclosed. The method may include receiving, from a network node, a first message comprising a first connection state discontinuous reception (DRX) configuration or an indicator indicating the first connection state DRX configuration, where the first connection state DRX configuration is assigned to a first target associated with a first service of the wireless device, the first target comprising one of the following: a data radio bearer (DRB), a logical channel, a semi-persistent scheduling (SPS), a configuration grant (CG), or a hybrid automatic repeat request (HARQ) process; and applying the first connection state DRX configuration to the first target.

Description

【Technical Field】 【0001】 (Technical Field) The present disclosure generally relates to wireless communication, and more particularly, to methods, devices, and systems for discontinuous data transmission and discontinuous data reception in a wireless network. 【Background Art】 【0002】 (Background) Controlling power consumption and reducing energy costs are important for developing and deploying wireless communication networks. Energy-saving technologies are important for achieving this goal. With the development of wireless communication technologies, more and more services, applications, and various power-saving mechanisms have been added, thereby increasing the complexity of power control. It is important to have the ability to meet performance requirements while controlling the power consumption of various network elements such as base stations and UEs. 【Summary of the Invention】 【Means for Solving the Problems】 【0003】 (Summary) The present disclosure is directed to methods, devices, and systems for discontinuous data transmission and discontinuous data reception in a wireless network. 【0004】 In some embodiments, methods implemented by a wireless device are disclosed. The method may include receiving a first message from a network node, which includes a first connectivity status discontinuous receive (DRX) setting or an indicator for displaying the first connectivity status DRX setting, the first connectivity status DRX setting being assigned to a first target associated with a first service of the wireless device, the first target comprising one of the following: a data radio bearer (DRB), a logical channel, a semi-persistent scheduling (SPS), a configuration grant (CG), or a hybrid automatic retransmission request (HARQ) process, and applying the first connectivity status DRX setting to the first target. 【0005】 In some embodiments, methods implemented by a wireless device are disclosed. The method may include transmitting an indicator to a network node indicating the radio capability of the wireless device, the radio capability indicating whether the wireless device supports HARQ mode B when the serving cell of the wireless device is a terrestrial network cell, in which the HARQ round-trip time (RTT) timer and the HARQ retransmission timer are not started, and receiving a HARQ mode indicator from the network node instructing the wireless device to apply HARQ mode B when the wireless device is in a terrestrial network cell. 【0006】 In some embodiments, methods implemented by a wireless device are disclosed. The method may include receiving a first message from a network node indicating the deactivation of a DRX HARQ round-trip time timer (drx-HARQ-RTT-Timer), which is applied to a target having one of the following: a data radio bearer (DRB), a logical channel, a semi-persistent scheduling (SPS), a configuration grant (CG), or a hybrid automatic retransmission request (HARQ) process. 【0007】 In some embodiments, methods implemented by a wireless device are disclosed. The method may include receiving an indicator via a UE-specific message targeted to the wireless device indicating whether a cell discontinuity operation is activated within a cell, wherein the cell discontinuity operation comprises at least one of a cell discontinuity transmit (DTX) or a cell discontinuity receive (DRX), and activating a setting associated with the cell discontinuity operation in response to an indicator indicating that the cell discontinuity operation is activated within a cell. 【0008】 In some embodiments, methods implemented by a network node are disclosed. The method may include sending a wireless device a first message comprising a first connectivity status discontinuous receive (DRX) setting, or an indicator indicating the first connectivity status DRX setting, the first connectivity status DRX setting being assigned to a first target associated with a first service of the wireless device, the first target comprising one of the following: a data radio bearer (DRB), a logical channel, a semi-persistent scheduling (SPS), a configuration grant (CG), or a hybrid automatic retransmission request (HARQ) process. 【0009】 In some embodiments, methods implemented by a network node are disclosed. The method may include receiving an indicator from a wireless device that indicates the radio capability of the wireless device, where the radio capability indicates whether the wireless device supports HARQ mode B when the serving cell of the wireless device is a terrestrial network cell, in which the HARQ round-trip time (RTT) timer and the HARQ retransmission timer are not started, and transmitting a HARQ mode indicator that instructs the wireless device to apply HARQ mode B to a wireless device served by a terrestrial network cell. 【0010】 In some embodiments, methods implemented by a network node are disclosed. The method may include sending a first message to a wireless device instructing the wireless device to deactivate a DRX HARQ round-trip time timer (drx-HARQ-RTT-Timer), which is applied to a target of the wireless device, the target comprising one of the following: a data radio bearer (DRB), a logical channel, a semi-persistent scheduling (SPS), a configuration grant (CG), or a hybrid automatic retransmission request (HARQ) process. 【0011】 In some embodiments, methods implemented by a network node are disclosed. The methods may include sending an indicator via a UE-specific message targeting a wireless device to indicate whether a cell discontinuity operation is activated within a cell of the network node, the cell discontinuity operation comprising at least one of a cell discontinuity transmit (DTX) or a cell discontinuity receive (DRX). 【0012】 In some embodiments, there exists a wireless device or network node comprising a processor and memory, the processor being configured to read code from memory and implement any method described in any of the embodiments. 【0013】 In some embodiments, a computer program product comprises computer-readable program medium code stored thereon, which, when executed by a processor, causes the processor to perform any of the methods described in any of the embodiments. 【0014】 The embodiments described above, as well as other and alternative forms of their implementation, are described in more detail in the following drawings, description, and claims. The present invention provides, for example, the following: (Item 1) A method for wireless communication carried out by a wireless device, Receiving a first message from a network node that includes a first Discontinuous Receipt (DRX) setting, or an indicator that displays the first DRX setting, wherein the first DRX setting is assigned to a first target associated with a first service of the wireless device, and the first target is: Data wireless bearer (DRB), Logical channel, Semi-persistent scheduling (SPS), Setting Grant (CG), or Hybrid Automated Resend Request (HARQ) Process Having one of the following, Applying the aforementioned first connection state DRX setting to the aforementioned first target Methods that include... (Item 2) The aforementioned connection status DRX setting includes the following parameters for downlink or uplink data retransmission: drx-RetransmissionTimerDL, drx-RetransmissionTimerUL, drx-HARQ-RTT-TimerDL, or drx-HARQ-RTT-TimerUL The method according to item 1, comprising at least one of the following. (Item 3) The first message further comprises a second connection status DRX setting, or an indicator that displays the second connection status DRX setting, The second connection state DRX setting is assigned to a second target associated with the second service of the wireless device. The second target differs from the first target, The method described in item 1, wherein the second connection state DRX setting is different from the first connection state DRX setting. (Item 4) The method according to item 1, wherein the indicator displays the first connection status DRX setting from a list of connection status DRX settings. (Item 5) The aforementioned list of connection status DRX settings is, RRC message, MAC CE message, System information messages, or Broadcast message The method according to item 4, wherein the wireless device is pre-configured via one of the following. (Item 6) The method according to item 1, wherein the first connection state DRX setting has a higher priority than the cell-level connection state DRX setting. (Item 7) The aforementioned network node, gNodeB (gNB), eNodeB (eNB), ng-eNodeB (ng-eNB), or NodeB The method according to item 1, comprising at least one of the following. (Item 8) A method for wireless communication carried out by a wireless device, The method involves transmitting an indicator to a network node that displays the radio capability of the wireless device, the radio capability indicating whether the wireless device supports HARQ mode B when the serving cell of the wireless device is a terrestrial network cell, and that in HARQ mode B, the HARQ round-trip time (RTT) timer and the HARQ retransmission timer are not started. The wireless device receives a HARQ mode indicator from the network node while it is within the ground network cell, instructing the wireless device to apply HARQ mode B. Methods that include... (Item 9) The wireless capability further indicates whether the wireless device supports a HARQ mechanism in which either HARQ mode B or HARQ mode A can be set on the wireless device. The method according to item 8, wherein in HARQ mode A, the HARQ RTT timer and the HARQ retransmission timer can be started. (Item 10) The aforementioned indicator, Wireless Resource Control (RRC) Msg3, RRC Msg5, UE capability information message, Uplink media access control - control element (UL MAC CE) message, or Uplink Logical Channel Identifier (UL LC-ID) in MAC CE message header The method described in item 8, which is transported via at least one of the following. (Item 11) The HARQ mode indicator instructs the wireless device to apply the HARQ mode B to the transmit level, and the transmit level is Per wireless device level, For each DRB level, At each logical channel level, For each SPS level, Per CG level, or HARQ process level The method described in item 8, comprising at least one of the following. (Item 12) The HARQ mode indicator, RRC message, MAC CE message, Downlink Control Information (DCI) message, or Uplink HARQ Feedback Disable Indicator The method described in item 11, which is sent via at least one of the following. (Item 13) The method according to item 11, wherein the wireless device is not expected to start the HARQ RTT timer for the HARQ process associated with the transmit level, according to the HARQ mode indicator. (Item 14) A method for wireless communication carried out by a wireless device, The process includes receiving a first message from a network node indicating that the DRX HARQ round-trip time timer (drx-HARQ-RTT-Timer) should be deactivated, wherein the drx-HARQ-RTT-Timer is configured as follows: Data wireless bearer (DRB), Logical channel, Semi-persistent scheduling (SPS), Setting Grant (CG), or Hybrid Automated Resend Request (HARQ) Process A method applied to a target that possesses one of the following characteristics. (Item 15) Before receiving the first message, the method The method according to item 14, further comprising transmitting an indicator to the network node indicating the radio capability of the wireless device, wherein the radio capability indicates whether the wireless device supports deactivation of the DRX HARQ RTT timer. (Item 16) The method of item 14, wherein the wireless device is not expected to initiate the drx-HARQ-RTT-Timer associated with the target in response to receiving the first message. (Item 17) The aforementioned drx-HARQ-RTT-Timer, Uplink drx-HARQ-RTT-Timer, or Downlink drx-HARQ-RTT-Timer The method described in item 14, comprising at least one of the following. (Item 18) The first message mentioned above is, RRC message, MAC CE message, DCI message, or An indicator that shows uplink HARQ feedback is disabled for the target. The method described in item 14, sent via one of the following. (Item 19) A method for wireless communication carried out by a wireless device, Receiving an indicator via a UE-specific message targeting the wireless device indicating whether a cell discontinuous operation is activated within a cell, wherein the cell discontinuous operation comprises at least one of a cell discontinuous transmit (DTX) or a cell discontinuous receive (DRX), In response to the indicator that shows the cell discontinuity operation is activated within the cell, the setting associated with the cell discontinuity operation is activated. Methods that include... (Item 20) Before receiving the UE-specific message targeting the wireless device, the method The method according to item 19, further comprising transmitting an indicator to a network node indicating the radio capability of the wireless device, wherein the radio capability indicates whether the wireless device supports cell DTX operation or cell DRX operation. (Item 21) The aforementioned UE-specific message is RRC message, MAC CE message, or UE-specific DCI message targeting the aforementioned wireless device The method described in item 19, comprising at least one of the following. (Item 22) Receiving the indicator that shows whether the cell discontinuous operation is activated within the cell, The method of item 19, wherein when the wireless device is in one of the following procedures: RRC connection setup procedure, or a handover procedure in which the wireless device is handed over from a source cell to the cell, the wireless device receives the indicator via a UE-specific message targeting the wireless device, which indicates whether the cell discontinuity operation is activated in the cell. (Item 23) Receiving the indicator indicating whether the cell discontinuity operation is activated within the cell includes receiving, via the UE-specific message targeted to the wireless device, a list of candidate settings for the cell discontinuity operation, and the indicator indicating whether any of the settings in the list of candidate settings are activated. The method of item 19, wherein activating the setting associated with the cell discontinuity operation is performed in response to the activation of the indicator that displays the setting in the list of candidate settings. (Item 24) The settings associated with the aforementioned cell discontinuous operation are the following parameters: Cell DTX periodicity parameters for determining the cell DTX "ON" period and cell DTX "OFF" period. Cell DTX start time parameter for determining the cell DTX "ON" period and the cell DTX "OFF" period, A cell DTX start offset parameter for determining the cell DTX "ON" period and the cell DTX "OFF" period, Cell DRX periodicity parameters for determining the cell DRX "ON" period and cell DRX "OFF" period. A cell DRX start time parameter for determining the cell DRX "ON" period and the cell DRX "OFF" period, or Cell DRX start offset parameter for determining the cell DRX "ON" period and the cell DRX "OFF" period. The method described in item 19, comprising at least one of the following. (Item 25) Activating the setting associated with the cell discontinuity operation is Receiving a downlink signal or downlink channel during the cell DTX OFF period, or Transmitting an uplink signal or uplink channel during the cell DRX OFF period. The method described in item 19, which includes disabling at least one of the following. (Item 26) A method for wireless communication implemented by a network node, The process includes sending a first message to a wireless device that includes a first Discontinuous Receipt (DRX) setting, or an indicator that displays the first DRX setting, wherein the first DRX setting is assigned to a first target associated with a first service of the wireless device, and the first target is: Data wireless bearer (DRB), Logical channel, Semi-persistent scheduling (SPS), Setting Grant (CG), or Hybrid Automated Resend Request (HARQ) Process A method that includes one of the following. (Item 27) The aforementioned connection status DRX setting includes the following parameters for downlink or uplink data retransmission: drx-RetransmissionTimerDL, drx-RetransmissionTimerUL, drx-HARQ-RTT-TimerDL, or drx-HARQ-RTT-TimerUL The method of item 26, comprising at least one of the following. (Item 28) The first message further comprises a second connection status DRX setting, or an indicator that displays the second connection status DRX setting, The second connection state DRX setting is assigned to a second target associated with the second service of the wireless device. The second target differs from the first target, The method described in item 26, wherein the second connection state DRX setting is different from the first connection state DRX setting. (Item 29) The method described in item 26, wherein the indicator displays the first connection status DRX setting from a list of connection status DRX settings. (Item 30) The aforementioned list of connection status DRX settings is, RRC message, MAC CE message, System information messages, or Broadcast message The method according to item 29, wherein the wireless device is pre-configured via one of the following. (Item 31) The method according to item 26, wherein the first connection state DRX setting has a higher priority than the cell-level connection state DRX setting. (Item 32) The aforementioned network node, gNodeB (gNB), eNodeB (eNB), ng-eNodeB (ng-eNB), or NodeB The method of item 26, comprising at least one of the following. (Item 33) A method for wireless communication implemented by a network node, Receiving an indicator from a wireless device that displays the wireless capability of the wireless device, the wireless capability indicating whether the wireless device supports HARQ mode B when the serving cell of the wireless device is a terrestrial network cell, and that in HARQ mode B, the HARQ round-trip time (RTT) timer and the HARQ retransmission timer are not started. To transmit a HARQ mode indicator to the wireless device serviced by the ground network cell, instructing the wireless device to apply HARQ mode B. Methods that include... (Item 34) The wireless capability further indicates whether the wireless device supports a HARQ mechanism in which either HARQ mode B or HARQ mode A can be set on the wireless device. The method according to item 33, wherein in HARQ mode A, the HARQ RTT timer and the HARQ retransmission timer can be started. (Item 35) The aforementioned indicator, Wireless Resource Control (RRC) Msg3, RRC Msg5, UE capability information message, Uplink media access control - control element (UL MAC CE) message, or Uplink Logical Channel Identifier (UL LC-ID) in MAC CE message header The method described in item 33, which is transported via at least one of the following. (Item 36) The HARQ mode indicator instructs the wireless device to apply the HARQ mode B to the transmit level, and the transmit level is Per wireless device level, For each DRB level, At each logical channel level, For each SPS level, Per CG level, or HARQ process level The method described in item 33, comprising one of the following. (Item 37) The HARQ mode indicator, RRC message, MAC CE message, Downlink Control Information (DCI) message, or Uplink HARQ Feedback Disable Indicator The method described in item 36, transmitted via at least one of the following. (Item 38) The method of item 36, wherein the wireless device is not expected to start the HARQ RTT timer for the HARQ process associated with the transmit level according to the HARQ mode indicator. (Item 39) A method for wireless communication implemented by a network node, The process includes sending a first message to a wireless device instructing the wireless device to deactivate a DRX HARQ round-trip time timer (drx-HARQ-RTT-Timer), wherein the drx-HARQ-RTT-Timer is applied to a target for the wireless device, and the target is as follows: Data wireless bearer (DRB), Logical channel, Semi-persistent scheduling (SPS), Setting Grant (CG), or Hybrid Automated Resend Request (HARQ) Process A method that includes one of the following. (Item 40) Before sending the first message, the method The method according to item 39, further comprising receiving an indicator from the wireless device that indicates the radio capability of the wireless device, wherein the radio capability indicates whether the wireless device supports deactivation of the DRX HARQ RTT timer. (Item 41) The method according to item 39, wherein the wireless device is not expected to initiate the drx-HARQ-RTT-Timer associated with the target in response to receiving the first message. (Item 42) The aforementioned drx-HARQ-RTT-Timer, Uplink drx-HARQ-RTT-Timer, or Downlink drx-HARQ-RTT-Timer The method described in item 39, comprising at least one of the following. (Item 43) The first message mentioned above is, RRC message, MAC CE message, DCI message, or An indicator that shows uplink HARQ feedback is disabled for the target. The method described in item 39, which is transmitted via one of the following. (Item 44) A method for wireless communication implemented by a network node, A method comprising transmitting an indicator via a UE-specific message targeting a wireless device to indicate whether a cell discontinuity operation is activated within a cell of the network node, wherein the cell discontinuity operation comprises at least one of a cell discontinuity transmit (DTX) or a cell discontinuity receive (DRX). (Item 45) Before receiving the UE-specific message targeting the wireless device, the method The method according to item 44, further comprising receiving an indicator from the wireless device that indicates the wireless capability of the wireless device, the wireless capability indicating whether the wireless device supports cell DTX operation or cell DRX operation. (Item 46) The method of item 44, wherein, in response to the indicator indicating that the cell discontinuity operation is activated within the cell, the wireless device activates a setting associated with the cell discontinuity operation. (Item 47) The settings related to the aforementioned cell discontinuous operation are the following parameters: Cell DTX periodicity parameters for determining the cell DTX "ON" period and cell DTX "OFF" period. Cell DTX start time parameter for determining the cell DTX "ON" period and the cell DTX "OFF" period, A cell DTX start offset parameter for determining the cell DTX "ON" period and the cell DTX "OFF" period, Cell DRX periodicity parameters for determining the cell DRX "ON" period and cell DRX "OFF" period. A cell DRX start time parameter for determining the cell DRX "ON" period and the cell DRX "OFF" period, or Cell DRX start offset parameter for determining the cell DRX "ON" period and the cell DRX "OFF" period. The method described in item 46, comprising at least one of the following. (Item 48) The aforementioned UE-specific message is RRC message, MAC CE message, or UE-specific DCI message targeting the aforementioned wireless device The method described in item 44, comprising at least one of the following. (Item 49) Sending the indicator that shows whether the cell discontinuous operation is activated within the cell, The method of item 44, which includes transmitting the indicator, via a UE-specific message targeting the wireless device, whether the cell discontinuity operation is activated within the cell, when the wireless device is in one of the following procedures: RRC connection setup procedure, or a handover procedure in which the wireless device is handed over from a source cell to the cell. (Item 50) Sending the indicator that shows whether the cell discontinuous operation is activated within the cell, The method of item 44, comprising transmitting a list of candidate settings for cell discontinuity operations and an indicator indicating whether a setting in the list of candidate settings is activated via a UE-specific message targeting the wireless device. (Item 51) The indicator shows that the cell discontinuity operation is activated within the cell of the network node. The method described above is Transmitting a downlink signal or downlink channel during the cell DTX OFF period, or Receiving an uplink signal or uplink channel during the cell DRX OFF period. The method described in item 44, further comprising disabling at least one of the following. (Item 52) A device for wireless communication comprising memory for storing computer instructions and a processor for communicating with the memory, wherein when the processor executes the computer instructions, the processor is configured to implement the method described in any one of items 1 to 51. (Item 53) A computer program product comprising a non-temporary computer-readable program medium having computer code stored thereon, wherein when the computer code is executed by one or more processors, it causes the one or more processors to implement the method described in any one of items 1 to 51. [Brief explanation of the drawing] 【0015】 [Figure 1] Figure 1 shows an exemplary wireless communication network. 【0016】 [Figure 2] Figure 2 shows an exemplary wireless network node. 【0017】 [Figure 3] Figure 3 shows an exemplary user device. 【0018】 [Figure 4] Figures 4a–4c show the mapping from exemplary resources (DRB, LC, SPS, CG) to the HARQ process. 【0019】 [Figure 5] Figure 5 shows a common (fits all) connection state DRX setting that applies to all HARQ services under a cell or DRB group. 【0020】 [Figure 6-1] Figures 6a to 6f show exemplary connection state DRX configurations that are specific to or target a resource or HARQ process. [Figure 6-2] Figures 6a to 6f show exemplary connection state DRX configurations that are specific to or target a resource or HARQ process. 【0021】 [Figure 7] Figure 7 shows an example message flow for configuring the connection state DRX setting for a specific service in the UE. 【0022】 [Figure 8] Figure 8 shows an exemplary message flow for configuring HARQ mode for a UE, according to the UE's capabilities regarding support for the HARQ mode mechanism in a TN network. 【0023】 [Figure 9] Figure 9 illustrates a scenario in which the UE misses cell DTX and / or cell DRX activation. 【0024】 [Figure 10] Figure 10 shows an exemplary message flow for activating cell DTX and / or cell DRX in the case of UE handover or UE RRC connection setup. 【0025】 [Figure 11] Figure 11 shows an example of a combined cell DTX and cell DRX configuration sent to the UE, along with cell DTX and / or cell DRX activation indicators. 【0026】 [Figure 12] Figure 12 shows another example of separate cell DTX and cell DRX settings sent to the UE, along with cell DTX and / or cell DRX activation indicators. [Modes for carrying out the invention] 【0027】 (Detailed explanation) (Wireless communication network) Figure 1 shows an exemplary wireless communications network 100, which includes a core network 110 and a wireless access network (RAN) 120. The core network 110 further includes at least one mobility management entity (MME) 112 and / or at least one access and mobility management function (AMF). Other functions that may be included within the core network 110 are not shown in Figure 1. The RAN 120 further includes several base stations, e.g., base stations 122 and 124. The base stations may include any other type of signal transceiver device, such as at least one evolved Node B (eNB) for 4G LTE, an enhanced LTE eNB (ng-eNB), or a next-generation Node B (gNB) for 5G New Radio (NR), or a UMTS Node B. The eNB 122 communicates with the MME 112 via the S1 interface. Both the eNB 122 and the gNB 124 may be connected to the AMF 114 via the Ng interface. Each base station manages and supports at least one cell. For example, the base station gNB124 may be configured to manage and support cell 1, cell 2, and cell 3. 【0028】 The gNB124 may include a central unit (CU) and at least one distributed unit (DU). The CU and DU may be located together in the same location or separated into different locations. The CU and DU may be connected via an F1 interface. Alternatively, for an eNB that can connect to a 5G network, it may similarly be divided into a CU and at least one DU, called ng-eNB-CU and ng-eNB-DU, respectively. The ng-eNB-CU and ng-eNB-DU may be connected via a W1 interface. 【0029】 The wireless communication network 100 may include one or more tracking areas. A tracking area may include a set of cells managed by at least one base station. For example, tracking area 1 labeled 140 includes cell 1, cell 2, and cell 3, and may include more cells that may be managed by other base stations, although these are not shown in Figure 1. The wireless communication network 100 may also include at least one UE 160. The UE may select a cell from among several cells supported by a base station in order to communicate with the base station via an over-the-air (OTA) radio communication interface and resources, and as the UE 160 moves through the wireless communication network 100, the UE may re-select a cell for communication. For example, the UE 160 may initially select cell 1 to communicate with base station 124, and then re-select cell 2 at a certain later point in time. Cell selection or re-selection by the UE 160 may be based on wireless signal strength / quality and other factors in the various cells. 【0030】 The wireless communication network 100 may be implemented as, for example, a 2G, 3G, 4G / LTE, or 5G cellular communication network. Correspondingly, base stations 122 and 124 may be implemented as a 2G base station, a 3G NodeB, an LTE eNB, or a 5G NR gNB. The UE 160 may be implemented as a mobile communication device or a fixed communication device capable of accessing the wireless communication network 100. The UE 160 may include, but is not limited to, mobile phones, laptop computers, tablets, personal digital assistants, wearable devices, Internet of Things (IoT) devices, MTC / eMTC devices, distributed remote sensor devices, roadside assistance equipment, XR devices, and desktop computers. The UE 160 may also be generally referred to as a wireless communication device or wireless terminal. The UE 160 may support sidelink communication with another UE via the PC5 interface. 【0031】 The following description focuses on a cellular wireless communication system as shown in Figure 1, but the underlying principles are applicable to other types of wireless communication systems for paging wireless devices. These other wireless systems may include, but are not limited to, Wi-Fi, Bluetooth®, ZigBee®, and WiMAX networks. 【0032】 Figure 2 shows an example of an electronic device 200 for implementing a network base station (e.g., a wireless access network node), a core network (CN), and / or operation and maintenance (OAM). Optionally, in one implementation, the exemplary electronic device 200 may include a radio transmit / receive (Tx / Rx) circuit 208 for transmitting / receiving communications with UEs and / or other base stations. Optionally, in one implementation, the electronic device 200 may also include a network interface circuit 209 for the base station to communicate with other base stations and / or core networks, e.g., optical or wired interconnects, Ethernet®, and / or other data transmission media / protocols. The electronic device 200 may optionally include an input / output (I / O) interface 206 for communicating with operators, etc. 【0033】 The electronic device 200 may also include a system circuit 204. The system circuit 204 may include a processor 221 and / or memory 222. Memory 222 may include an operating system 224, instructions 226, and parameters 228. Instructions 226 may be configured so that one or more of the processors 221 perform the functions of a network node. Parameters 228 may include parameters to support the execution of instructions 226. For example, parameters may include network protocol settings, bandwidth parameters, radio frequency mapping assignments, and / or other parameters. 【0034】 Figure 3 shows an example of an electronic device for implementing a terminal device 300 (e.g., a user device (UE)). The UE 300 may be a mobile device, such as a smartphone or mobile communication module installed in a vehicle. The UE 300 may include some or all of the communication interface 302, system circuitry 304, input / output interface (I / O) 306, display circuitry 308, and storage device 309. The display circuitry may include a user interface 310. The system circuitry 304 may include any combination of hardware, software, firmware, or other logic / circuitry. The system circuitry 304 may be implemented, for example, by one or more system-on-a-chip (SoCs), application-specific integrated circuits (ASICs), individual analog and digital circuits, and other circuits. The system circuitry 304 may be part of an implementation of any desired function in the UE 300. In this regard, the system circuit 304 may include, for example, logic to facilitate the decoding and playback of music and video, e.g., MP3, MP4, MPEG, AVI, FLAC, AC3, or WAV; application running; acceptance of user input; storage and retrieval of application data; establishment, maintenance, and termination of data connections for cellular phone calls or, for example, internet connections; establishment, maintenance, and termination of wireless network connections, Bluetooth® connections, or other connections; and the display of relevant information on the user interface 310. The user interface 310 and the input / output (I / O) interface 306 may include a graphical user interface, a touch sensor display, haptic feedback or other haptic output, voice or facial recognition input, buttons, switches, speakers, and other user interface elements.Further examples of the I / O interface 306 may include microphones, video and still image cameras, temperature sensors, vibration sensors, rotation and orientation sensors, headset and microphone input / output jacks, Universal Serial Bus (USB) connectors, memory card slots, radiation sensors (e.g., IR sensors), and other types of inputs. 【0035】 Referring to Figure 3, the communication interface 302 may include a radio frequency (RF) transmit (Tx) and receive (Rx) circuit 316 that handles the transmission and reception of signals via one or more antennas 314. The communication interface 302 may also include one or more transceivers. A transceiver may be a wireless transceiver that includes a modulation / demodulation circuit, a digital-to-analog converter (DAC), a shaping table, an analog-to-digital converter (ADC), filters, waveform shapers, filters, preamplifiers, power amplifiers, and / or other logic for transmitting and receiving via one or more antennas or (for some devices) via a physical (e.g., wired) medium. The signals transmitted and received may conform to one of a variety of arrays of format, protocol, modulation (e.g., QPSK, 16-QAM, 64-QAM, or 256-QAM), frequency channel, bitrate, and encoding. As one specific example, the communication interface 302 may include transceivers that support transmission and reception under 2G, 3G, BT, WiFi, Universal Mobile Telecommunications System (UMTS), High-Speed ​​Packet Access (HSPA)+, 4G / Long-Term Evolution (LTE), and 5G standards. However, the technologies described below are applicable to other wireless communication technologies, whether they originate from the Third Generation Partnership Project (3GPP®), the GSM® Association, 3GPP2, IEEE, or other partnerships or standardization bodies. 【0036】 Referring to Figure 3, the system circuit 304 may include one or more processors 321 and memory 322. Memory 322 stores, for example, an operating system 324, instructions 326, and parameters 328. The processor 321 is configured to execute instructions 326 to perform a desired function for the UE300. Parameters 328 may provide and specify setting and operation options for instructions 326. Memory 322 may also store any BT, WiFi, 3G, 4G, 5G, or other data that the UE300 sends or receives via the communication interface 302. In various implementations, the system power of the UE300 may be supplied by a battery or energy storage device such as a transformer. 【0037】 (Discontinuous connection status (CDRX)) In a wireless communication network, a UE may constantly listen to / monitor the network (e.g., a base station) to check for new downlink data. The UE may also need to wait for uplink grants to transmit uplink data. Notifications about scheduled downlink data or uplink transmit grants that the UE needs to monitor may arrive via the Physical Downlink Control Channel (PDCCH). Constantly listening to / monitoring the network is power inefficient and quickly drains the UE's battery. For example, even if there is light or no traffic for the UE and no downlink receive or uplink transmit for the UE, the UE still needs to remain awake to monitor the PDCCH for, for example, one or more subframes. To reduce the UE's power consumption, a Connected State (or Mode) Discontinuous Receive (CDRX) function is introduced. When CDRX is set for a connected state UE, each CDRX cycle may include one "ON" period and one "OFF" period. The UE does not need to continuously monitor the PDCCH; it only monitors the PDCCH during the "ON" period and switches to sleep mode during the "OFF" period. In sleep mode, the UE may turn off certain hardware circuits, such as the radio frequency (RF) chain, to reduce power consumption. 【0038】 In an exemplary implementation, the UE may be configured with a set of CDRX parameters (e.g., by the base station). These CDRX parameters may be selected based on the type of service or application, for example, so that quality of service (QoS) requirements are still met for the service or application while power and resource savings are maximized. Note that CDRX parameters may affect service performance matrices such as latency. 【0039】 For example, the UE may be in an OFF state when data arrives at the base station (such as a gNB), and the base station must wait until the UE is ON, which can result in a delay in data reception. Therefore, CDRX parameters may need to be carefully selected to find a balance between power saving and the impact on QoS. 【0040】 (Discontinuous cell transmission (DTX) and discontinuous cell reception (DRX)) To further reduce the energy consumption of base stations such as gNBs, a base station-side discontinuous transmit (DTX) mode may be implemented. The base station-side DTX mode may be applied at various levels, such as the cell level, cell group level, DU level, DU group level, or overall base station level. Using a cell as an example, when the DTX mode is applied to a cell, the cell may be configured in a cell DTX cycle. Within each cell DTX cycle, there are and select "ON" and "OFF" periods. To reduce power consumption, the cell may transmit downlink data to its serviced UE only during the "ON" period and suspend data transmission during the "OFF" period. In some embodiments, during the cell DTX "OFF" period, the downlink signal or downlink channel is disabled; that is, the cell does not transmit downlink signals or channels during the cell DTX OFF period. Conversely, the UE does not receive downlink signals or channels during the cell DTX OFF period. For example, the UE does not monitor PDCCH and PDSCH via SPS (Semi-Persistent Scheduling) during the cell DTX OFF period. 【0041】 A similar concept may also be applied to data reception at a base station. A base station-side discontinuous reception (DRX) mode may be implemented. The base station-side DRX mode may also be applied at various levels, such as the cell level, cell group level, DU level, DU group level, or the entire base station level. Using a cell as an example, when the DRX mode is applied to a cell, the cell may be configured in a cell DRX cycle. Within each cell DRX cycle, there may be an "ON" period and an "OFF" period. To further reduce power consumption, the cell may receive uplink data from the UE only during the "ON" period and suspend data reception during the OFF period. In some embodiments, during the cell DRX OFF period, the uplink signal or uplink channel is disabled; that is, the UE does not transmit an uplink signal or channel during the cell DRX OFF period, and the cell does not receive an uplink signal or channel during the cell DRX OFF period. For example, the UE does not transmit a PUSCH via the CG (configuration grant) during the cell DRX OFF period. 【0042】 The above explanation uses a cell as an example. The same basic concepts can also be applied to cell groups, DUs, DU groups, and base stations. 【0043】 This disclosure discloses various embodiments aimed at reducing power consumption in base stations and UEs. These embodiments cover at least the following: • Configure CDRX parameters at a more granular level, namely per DRB, per logical channel, per semi-persistent scheduling (SPS), per configuration grant (CG), or per hybrid automatic retransmission request (HARQ) process. • Configure HARQ mode for UE in terrestrial networks (TN). • Deactivate the HARQ timer at a finer level, namely per DRB, per logical channel, per semi-persistent scheduling (SPS), per configuration grant (CG), or per hybrid automatic retransmission request (HARQ) process. • Display of cell DTX and / or cell DRX activation. 【0044】 Details of these embodiments are described below. Embodiment 1: CDRX configuration parameters set for each service 【0045】 In wireless networks, UEs can support various types of services, such as augmented mobile broadband (eMBB), ultra-high reliability low latency communications (URLLC), and massive machine-type communications (mMTC). eMBB services offer greater data bandwidth and may include augmented reality (AR), virtual reality (VR), UltraHD, or 360-degree streaming video, and more. mMTC services may include narrowband Internet of Things (NB-IoT). URLLC services offer high reliability and low latency and may include mission-critical applications such as autonomous driving, vehicle-to-vehicle / vehicle-to-infrastructure (V2X), remote diagnostics / surgery, smart energy, and grids. 【0046】 Each service may be associated with specific service characteristics such as packet delay budget, packet error rate, maximum data burst volume, priority level, reliability requirements, and acceptable retransmission delay. For example, the packet delay budget defines the upper limit on the amount of time a packet can be delayed between the UE and the network (e.g., user plane function (UPF)). Different services may have different characteristics and different QoS requirements. For example, a URLLC service may have strict low-latency requirements and can tolerate only minimal packet delay, but may not require high bandwidth. On the other hand, an eMBB service may require higher bandwidth but may be less susceptible to packet delay. 【0047】 Under CDRX, the UE may be prepared with one or more connection state DRX settings. Each connection state DRX setting may include at least one of the following parameters: • DRX Downlink Retransmission Timer (drx-RetransmissionTimerDL): The maximum duration until a DL retransmission is received. Each Downlink Hybrid Automatic Retransmission Request (HARQ) process (excluding broadcast processes) may support drx-RetransmissionTimerDL. • DRX Uplink Retransmission Timer (drx-RetransmissionTimerUL): The maximum duration until a grant for UL retransmission is received. Each uplink HARQ process may support drx-RetransmissionTimerUL. • DRX Downlink HARQ Round-Trip Time (RTT) Timer (drx-HARQ-RTT-TimerDL): The minimum waiting time that the UE expects to receive a PDCCH displaying the downlink scheduling. Each downlink HARQ process (excluding broadcast processes) may correspond to one drx-HARQ-RTT-TimerDL. • DRX Uplink HARQ RTT Timer (drx-HARQ-RTT-TimerUL): The minimum waiting time that the UE expects to receive a PDCCH displaying the uplink scheduling. Each uplink HARQ process may correspond to a drx-HARQ-RTT-TimerUL. 【0048】 These parameters can affect the acceptable retransmission delay for UE services and the time the UE enters the CDRX off period. In wireless networks, a UE may support different services / sessions, such as different protocol data unit (PDU) sessions and different QoS flows. These services may be mapped to different resources based on service requirements. For example, these services: • Different data wireless bearers (DRBs), • Different Logical Channels (LC), • Different resources allocated by semi-persistent scheduling (SPS), or • Can be mapped to different resources allocated by the configuration grant (CG). 【0049】 The above settings / resources (DRB, LC, SPS, CG) may also use independent HARQ processes. 【0050】 Figure 4a shows an example resource-to-HARQ process mapping. As shown in Figure 4a, DRB1 and DRB2 are mapped to LC1, which is set from HARQ process n to HARQ process(n+m), where n and m are non-negative integers. 【0051】 Figure 4b shows another example of resource-to-HARQ process mapping. As shown in Figure 4b, one or more DRBs may be mapped to LCs, one or more LCs may be configured with one SPS resource, and one SPS resource may be configured with one or more HARQ processes. 【0052】 Figure 4c shows another example of resource-to-HARQ process mapping. As shown in Figure 4c, one or more DRBs may be mapped to LCs, one or more LCs may be configured with one CG resource, and one CG resource may be configured with one or more HARQ processes. 【0053】 The connection state DRX timers included in the connection state DRX settings described above (e.g., drx-RetransmissionTimerDL, drx-RetransmissionTimerUL, drx-HARQ-RTT-TimerDL, and drx-HARQ-RTT-TimerUL) may be started or stopped for each HARQ process. That is, each HARQ process may have its own set of timers. 【0054】 In some exemplary implementations, a “all-inclusive” connectivity state DRX setting applies to all HARQ processes (and all UE services). As shown in Figure 5, a common connectivity state DRX setting 502 applies to multiple HARQ processes (or resources assigned to multiple services). A “all-inclusive” connectivity state DRX setting may be, for example, at the cell level or DRX group level, where the connectivity state DRX setting applies to all HARQ processes within a cell or cell group. Thus, the precision (or target level) of a connectivity state DRX setting is at the cell level or DRX group level. 【0055】 In some exemplary implementations, instead of using a "one-size-fits-all" connectivity state DRX setting that applies to all types of services, each service may be configured with its own connectivity state DRX setting. That is, the precision (or target level) of the connectivity state DRX setting can be increased to the service level, or one or more of the DRB level, LC level, SPS level, CG level, or HARQ process level. 【0056】 As explained earlier, the connection state DRX setting may include at least one of the following parameters: ·drx-RetransmissionTimerDL, ·drx-RetransmissionTimerUL, · drx-HARQ-RTT-TimerDL, or drx-HARQ-RTT-TimerUL. 【0057】 In this embodiment, the connection state DRX setting may be set to various levels of UE and have different accuracies. 【0058】 In some exemplary implementations, the connection state DRX setting may be configured per DRB. As shown in Figure 6a, different DRBs may be configured with different connection state DRX settings. 【0059】 In some exemplary implementations, the connection state DRX setting may be configured per LC. As shown in Figure 6b, different LCs may be configured with different connection state DRX settings. 【0060】 In some exemplary implementations, the connection state DRX setting may be configured per SPS (i.e., per service that uses resources allocated by an SPS). As shown in Figure 6c, different SPSs may be configured with different connection state DRX settings. 【0061】 In some exemplary implementations, the connection state DRX setting may be configured per CG (i.e., a service that uses resources allocated by a CG). As shown in Figure 6d, different CGs may be configured with different connection state DRX settings. 【0062】 In some exemplary implementations, the connection state DRX setting may be configured per HARQ process, and different HARQ processes may be configured with different connection state DRX settings, as shown in Figure 6e. 【0063】 Figure 6f shows another example of connection state DRX setting assignment. 【0064】 Figure 7 further illustrates a sample message flow for a base station to configure the connectivity state DRX setting for the UE, where the connectivity state DRX setting is based on either a per-service / resource or per-HARQ process. 【0065】 In some exemplary implementations, the connection state DRX setting may be pre-configured in the UE via the network (e.g., a base station in the network) through messages at various layers (e.g., Layer 3, Layer 2, and Layer 1), such as radio resource control (RRC) messages, media access control-control element (MAC CE) messages, downlink control information (DCI) messages, system information messages, and broadcast messages. For example, the UE may receive a system information message carrying a list of connection state DRX settings. 【0066】 In some implementations, the UE may receive an indicator that shows which particular Connectivity State DRX setting from a list of Connectivity State DRX settings should be selected for a particular service (e.g., DRB, LC, SPS, CG, or the HARQ process to which that service is mapped). The indicator may be, for example, an index in the list of Connectivity State DRX settings. The UE may then apply the selected Connectivity State DRX setting to the specific target (e.g., DRB, LC, SPS resource, CG resource, HARQ process). In this scenario, each service is assigned a Connectivity State DRX setting individually (or Connectivity State DRX setting assignment is performed individually for each target). 【0067】 In some implementations, the UE may receive a connection status DRX setting and an indication of which target the setting applies to. 【0068】 In some implementations, it is possible to combine multiple assignments in a single message. For example, referring back to Figure 6a, a single message may carry indicators showing that connection state DRX setting 1 is assigned to DRB1 and connection state DRX setting 2 is assigned to DRB2. Note that the setting assignments are per target (e.g., DRB, LC, SPS resource, CG resource, or HARQ process). 【0069】 In some implementations, multiple assignments can be combined in a single message, and one connection state DRX setting may be assigned to multiple targets. For example, one connection state DRX setting may be assigned to a group of DRBs, a group of LCs, a group of HARQ processes, and so on. 【0070】 In some implementations, multiple services may use the same Connectivity State DRX setting. For example, one group of DRBs may use Connectivity State DRX setting 1, another group of DRBs may use Connectivity State DRX setting 2, and yet another group of HARQ processes may use Connectivity State DRX setting 3. In this case, note that Connectivity State DRX settings 1, 2, and 3 are not "all-in-one" Connectivity State DRX settings, even though each of them may apply to multiple services. Exemplaryly, for each service, the network may need to individually indicate which Connectivity State DRX setting to use. 【0071】 In some exemplary implementations, the UE may still be configured with a "applicable to all" connectivity state DRX setting, such as a cell-level setting, or a DRX group-level connectivity state DRX setting. The "applicable to all" connectivity state DRX setting may function as the default setting. In this case, service-specific connectivity state DRX settings, if configured, have higher priority. That is, if a service-specific connectivity state DRX setting is configured for a DRB, LC, SPS, CG, or HARQ process, then that service-specific connectivity state DRX setting will apply to, for example, the DRB, LC, SPS, CG, or HARQ process. Otherwise, a cell-level or DRX group-level connectivity state DRX setting may apply. 【0072】 In this embodiment, the connection state DRX setting is not "uniform" but specific to the service (or resource or target such as a HARQ process). For each service, the network can specify the connection state DRX setting. Thus, the network can obtain precise control over the transmission characteristics of the service based on service requirements, such as QoS requirements. The connection state DRX setting provided in this embodiment has higher precision compared to a "uniform" configuration. 【0073】 Embodiment 2: HARQ mode configuration in a terrestrial network Non-terrestrial networks (NTN) may support different HARQ modes, including HARQ mode A and HARQ mode B, which are intended to improve UE data rates in large-scale RTT (round-trip time) use cases and avoid HARQ stalls. In HARQ mode A, the HARQ RTT timer and retransmission timer may be started (e.g., retransmission is activated). However, in HARQ mode B, the HARQ RTT timer and retransmission timer are not started. For example, for a UE within NTN, if the HARQ process is configured in HARQ mode B, the UE is not expected to start the HARQ RTT timer and / or retransmission timer. 【0074】 In some exemplary implementations, NTN may allow a base station to indicate to the UE whether to start the HARQ RTT timer and / or retransmission timer for the HARQ process associated with the service, based on the service characteristics of the service (e.g., service type, QoS requirements, service pattern, etc.). 【0075】 However, in terrestrial network (TN) environments, the HARQ mode described above for NTN networks is not supported. Nevertheless, using HARQ mode can still be beneficial in TN networks. For example, a UE may carry services with short periodicity (e.g., 4 millisecond periodicity), and power saving is important for the UE (e.g., CG and / or CDRX may be set up / activated for this UE). In this case, if the HARQ RTT timer and retransmission timer are started, it becomes difficult or even impossible for the UE to enter a CDRX off state for power saving. On the other hand, for services with short periodicity, retransmission can be performed as needed at the next CG opportunity or scheduling grant. Therefore, the HARQ timer and retransmission timer do not need to be started, thereby improving power saving for the UE. 【0076】 In this embodiment, the aforementioned HARQ mode may be added to the TN network. However, the UE may or may not have the capability to support this function. For example, legacy UEs or low-end UEs may not support this function. This can cause several problems on the base station side. Because the base station is unaware of the UE's capability to support HARQ mode, the base station may not leverage its knowledge of the service characteristics of the UE service. For example, in this case, even if the base station knows that it would be beneficial for the base station not to start the HARQ RTT timer and / or retransmission timer for the HARQ process, it cannot instruct the UE not to start the HARQ RTT timer and / or retransmission timer for the HARQ process. This behavior can have further adverse effects on the UE's power consumption, as the timers must be started unconditionally. 【0077】 In this embodiment, when the UE is in the TN, the UE may report its ability to support HARQ mode to the base station. For example, the UE may report whether it supports the HARQ mode mechanism (or whether it supports HARQ mode B) as described above. Only when the UE supports the HARQ mode mechanism in the TN, the base station may set the UE to HARQ mode (e.g., HARQ mode A or HARQ mode B) when the UE is served by a ground network cell. An exemplary process is shown in Figure 8. 【0078】 As shown in Figure 8, UE capability may be transmitted in radio resource control (RRC) messages such as RRC Msg3 / Msg5 (as seen, for example, in random access procedures and / or RRC connection setup procedures), UE capability information messages, and uplink medium access control-control element (UL MAC CE) messages. Alternatively, UE capability may be implicitly indicated by the UL LC_ID (logical channel ID) in the MAC CE header. 【0079】 In some implementations, the HARQ mode setting applies to uplink HARQ mode when the UE is located within (or serviced by) a TN cell. 【0080】 The HARQ mode setting may be set, for example, by the uplinkHARQ-Mode in the RRC message for the UE in the TN cell. For example, the uplinkHARQ-Mode bit of the HARQ process may be set to HARQ-Mode B. 【0081】 Table 1 below shows an exemplary logical flow for initiating relevant HARQ RTT timers in NTN and NT networks. In Table 1, if the timer name ends with "-NTN", this indicates that the timer applies to the NTN network. Otherwise, the timer applies to the TN network. [Table 1] 【0082】 Embodiment 3: HARQ Timer Deactivation Indicator In this embodiment, indicators for deactivating (or not starting) the drx-HARQ-RTT-Timer may be set per UE, per DRB, per logical channel, per SPS, per CG, and / or per HARQ process. The drx-HARQ-RTT-Timer may include drx-HARQ-RTT-TimerDL and drx-HARQ-RTT-TimerUL, as previously described. When the timer is deactivated, the UE is not expected to start the timer. 【0083】 In an exemplary implementation, a base station (e.g., a gNB) may decide to deactivate the drx-HARQ-RTT-Timer (for DL ​​and / or UL) using service-specific indicators based on the service characteristics of the service associated with one of the following: DRB, logical channel, SPS, CG, or HARQ process. 【0084】 Specifically, if indicators for deactivating the drx-HARQ-RTT-Timer are set per UE, per DRB, per logical channel, per SPS, per CG, and / or per HARQ process, then the UE will not start, or is not expected to start, the drx-HARQ-RTT-Timer when sending or receiving data for the DRB, logical channel, SPS, CG, and / or HARQ process. In other words, the precision (or target level) for deactivating the drx-HARQ-RTT-Timer can be raised to one or more levels among the UE level, DRB level, LC level, SPS level, CG level, or HARQ process level. 【0085】 The indication for deactivating the drx-HARQ-RTT-Timer (UL and DL) may be set by an RRC message, a MAC CE message, or a DCI message. 【0086】 An indicator for deactivating the drx-HARQ-RTT-Timer may also be carried via a HARQ feedback disable indicator, for example, to disable HARQ feedback. When HARQ feedback is disabled, the drx-HARQ-RTT-Timer can be deactivated. 【0087】 In some exemplary implementations, the UE may or may not support the DRX HARQ RTT timer deactivation function, or the UE may or may not support the DRX HARQ feedback deactivation function. In this case, the UE may send an indicator to the base station that indicates the UE's radio capability. The radio capability indicates whether the UE supports the DRX HARQ RTT timer deactivation function, or whether the UE supports the HARQ feedback deactivation function. Based on the indicator, the base station may decide whether it is possible to deactivate the UE's DRX HARQ RTT timer or deactivate the HARQ feedback. 【0088】 Embodiment 4: Cell DTX / DRX Activation Display As described in the section above, cell DTX and / or cell DRX may be used to conserve network energy consumption (e.g., to conserve gNB energy). Cell DTX / DRX functionality may be activated or deactivated based, for example, on cell load or other traffic patterns that may affect cell signal transmission and / or reception. Cell load may include cell load measured in real time or cell load predicted based on historical data, for example, via an artificial intelligence (AI) model. Cell DTX / DRX functionality may be activated when there is no traffic on the cell or when the cell load is light (e.g., below a threshold, below occupancy, etc.) and deactivated when the cell is under heavy load (e.g., above a threshold, above occupancy, etc.). Furthermore, since cell load is a variable, cell DTX / DRX may be activated / deactivated as needed, and the corresponding cell DTX / DRX settings (e.g., periodicity, start time and / or start offset used to determine DTX / DRX "ON" and "OFF" periods, etc.) may also be dynamically updated. For example, when the cell load is within the first range, cell DTX / DRX setting 1 may be set. When the cell load is within the second range, cell DTX / DRX setting 2 may be set. 【0089】 In some exemplary embodiments, the cell DTX and / or cell DRX mechanism is a two-step process. In the first step, the cell DTX and / or cell DRX configuration may be pre-configured in the UE when the UE's RRC connectivity is set up or reconfigured. In the second step, once the conditions for activating the cell DTX and / or cell DRX functionality are met (e.g., based on cell load status), the base station may activate the cell DTX and / or cell DRX functionality via Layer 1 common signaling, such as DCI messages. Note that this common signaling may target all UEs that are in the RRC_CONNECTED state and covered / serviced by the cell. 【0090】 Note that in the above implementation form, when the cell DTX and / or cell DRX setting is first set within the cell, the common signaling is sent to the UEs in the RRC connected state. However, in the case of UEs not in the RRC connected state (for example, UEs in the idle state or the non-active state), these UEs may miss the common signaling for activating the DTX and / or cell DRX function. 【0091】 FIG. 9 shows an example of the scenario described above. 【0092】 At t0, all UEs in the RRC connected state can receive the cell DTX and / or cell DRX setting. The setting has not yet been activated. Note that UE4 is in the non-activated or idle state. 【0093】 At t1, it is determined that the cell DTX and / or cell DRX function needs to be activated. The common signaling indicating the function activation is sent to all UEs in the RRC connected state. 【0094】 At t2, UE4 transitions to the RRC connected state. Note that UE4 has missed the signaling sent at t1 and does not recognize or apply the cell DTX and / or cell DRX function activation. 【0095】 Similarly, the problem described above can also occur during the UE handover procedure. Referring to FIG. 9 again, at t2, UE5 is handed over from cell 2 to cell 1. Since the handover occurs after the first cell DTX and / or cell DRX function activation at t1, UE5 does not recognize or apply the cell DTX and / or cell DRX function activation. 【0096】 In the present disclosure, various solutions are described below to solve the problems mentioned above. 【0097】 Solution 1: Referring to Figure 10, when the UE is handed over to cell 1 with cell DTX activated and / or cell DRX already activated, or when the UE is in the RRC connection setup procedure (the UE is inactive or idle when the cell DTX and / or cell DRX functions are first activated), the UE may receive cell DTX and / or cell DRX settings as shown in step S1001 of Figure 10. For example, the UE may receive one or more cell DTX and / or cell DRX settings (e.g., a list of settings). An indicator may be sent with the settings or via a separate message. The indicator may indicate that the cell DTX and / or cell DRX functions are activated, or which settings apply and need to be activated. When the UE receives this indicator, it immediately activates the cell DTX and / or cell DRX functions using the displayed settings. 【0098】 In some exemplary embodiments, the list of configurations may include configurations for both cell DTX and cell DRX settings. 【0099】 In some exemplary implementations, there may be two lists, one for cell DTX settings and the other for cell DRX settings. Correspondingly, there may be two indicators, one for displaying the cell DTX configuration and the other for displaying the cell DRX settings. In this way, the cell DTX and cell DRX functions may be activated separately. The basic principle is that the display can be sent to the UE to indicate which functions (i.e., cell DTX and / or cell DRX) should be activated using the displayed settings. 【0100】 If the UE is handed over to cell 1 with the cell DTX and / or cell DRX functions deactivated, the indicator will display accordingly, so the UE will not activate the cell DTX and / or cell DRX functions immediately after the handover. Subsequently, if the cell DRX and cell DTX functions are activated, layer 1 common signaling may be sent to the UE to indicate the function activation. 【0101】 In some exemplary implementations, the indicator may be mandatory. For example, a value of 1 may indicate that the feature is activated, and a value of 0 may indicate that the feature is not activated. 【0102】 In some exemplary implementations, the indicator may be optional. If the indicator is present, it indicates that the function is activated; if the indicator is not present, it indicates that the function is not activated. 【0103】 Figure 11 shows an exemplary cell DTX / DRX setting. In Figure 11, the cell DTX setting and the cell DRX setting may be sent in combination. Figure 11 shows three combined settings 1102, 1104, and 1106. To indicate the combination, an indicator 1108 may be attached to the selected setting. Alternatively, an index may be sent to indicate which element in the list of settings has been selected. For example, an indicator equal to 2 would indicate (cell DTX setting 2 + cell DRX setting 2). 【0104】 Note that, as shown in Figure 12, the cell DTX settings and cell DRX settings may be sent separately. Cell DTX settings 1202, 1204, and 1206, and cell DRX settings 1212, 1214, and 1216 may be sent to the UE. Indicator 1208 may be used to display the cell DTX settings to be activated, and another indicator 1218 may be used to display the cell DRX settings to be activated. 【0105】 In some exemplary implementations, step S1001 may occur during a handover procedure or an RRC connection setup procedure. For example, the UE may receive the message S1001 from cell 2, which is the source cell in the handover procedure. That is, the cell DTX and / or cell DRX settings, and / or function activation indicators may be sent by the source cell. Since function activation is part of the handover procedure or an RRC connection setup procedure, the benefits may include rapid function activation. Once the UE is handed over or the UE RRC connection is set up, the cell DTX and / or cell DRX functions are already activated with the displayed settings. 【0106】 Solution 2: In this solution, both Layer 1 common signaling (e.g., common DCI) and UE-specific signaling (e.g., MAC CE, or UE-specific DCI, or dedicated RRC signaling) may be used to activate cell DTX and / or cell DRX functions. 【0107】 When cell DTX and / or cell DRX are first activated, layer 1 common signaling (e.g., common DCI) may be sent to the UE in the RRC_CONNECTED state for cell DTX and / or cell DRX activation. 【0108】 When the cell DTX and / or cell DRX have already been activated for the cell and the UE is being handed over to the cell, UE-specific signaling (e.g., MAC CE, or UE-specific DCI, or dedicated RRC signaling) may be sent to the UE for cell DTX and / or cell DRX activation if the UE is in the RRC connection setup procedure to set up an RRC connection with the cell. The indicator may be implemented similarly to that provided in Solution 1 above. 【0109】 In some exemplary implementations, the UE may or may not support the functionality of cell DTX operation and / or cell DRX operation. In this case, the UE may send an indicator to the base station that indicates the radio capability of the UE. The radio capability indicates whether the UE supports cell DTX operation and / or cell DRX operation. Based on the indicator, the base station may determine whether it is possible to configure and / or activate cell DTX operation and / or cell DRX operation for the UE. 【0110】 The above description and accompanying drawings provide specific exemplary embodiments and implementations. However, the described subject matter may be embodied in a variety of different forms, and it is intended that the subject matter covered or claimed is not limited to any exemplary embodiments described herein. A reasonably broad range of the subject matter claimed or covered is intended. In particular, for example, the subject matter may be embodied as a method, device, component, system, or non-temporary computer-readable medium for storing computer code. Accordingly, embodiments may take the form of, for example, hardware, software, firmware, storage medium, or any combination thereof. For example, the method embodiments described above may be implemented by a component, device, or system including memory and a processor by executing computer code stored in memory. 【0111】 Throughout this specification and the claims, terms may have subtly different meanings implied or suggested in context beyond their expressly stated meanings. Similarly, the phrase “in one embodiment / implementation” as used herein does not necessarily refer to the same embodiment, and the phrase “in another embodiment / implementation” as used herein does not necessarily refer to a different embodiment. For example, the claimed subject matter is intended to encompass, in whole or in part, a combination of exemplary embodiments. 【0112】 In general, technical terms can be understood at least partially from their usage in context. For example, terms such as “and,” “or,” or “and / or” as used herein may have various meanings that may at least partially depend on the context in which such terms are used. Typically, when “or” is used to relate a list such as A, B, or C, it is intended to mean A, B, and C in an inclusive sense, as well as A, B, or C in an exclusive sense. In addition, the term “one or more” as used herein may, at least partially depending on the context, be used to describe any function, structure, or characteristic in a singular sense, or to describe a combination of functions, structures, or characteristics in a plural sense. Similarly, terms such as “a,” “an,” or “the” may, at least partially depending on the context, be understood to convey either a singular or plural usage. Furthermore, the term "based on" may be understood not necessarily as conveying an exclusive set of factors, but rather, depending at least partially on the context, may allow for the presence of additional factors that are not necessarily explicitly stated. 【0113】 Throughout this specification, references to features, benefits, or similar terms do not imply that all features and benefits that can be realized using the Solution should be included in any single implementation thereof. Rather, any terms referring to features and benefits should be understood to mean that certain features, benefits, or characteristics described in relation to the embodiments are included in at least one embodiment of the Solution. Accordingly, discussions of features and benefits, and similar terms, throughout this specification may, but may not, refer to the same embodiment. 【0114】 Furthermore, the functions, benefits, and characteristics described in this solution may be combined in any suitable manner in one or more embodiments. Those skilled in the art will recognize, in light of this description, that the solution can be practiced even without one or more of the specific functions or benefits of a particular embodiment. In other examples, additional functions and benefits that may not be present in all embodiments of the solution may be recognized in a particular embodiment.

Claims

[Claim 1] A method for wireless communication carried out by a wireless device, The wireless device receives a UE-specific message targeting the wireless device, the UE-specific message includes an indicator indicating whether a cell discontinuous operation has already been activated within the cell, and the cell discontinuous operation includes at least one of a cell discontinuous transmit (DTX) or a cell discontinuous receive (DRX). Receiving the settings associated with the aforementioned cell discontinuous operation, In response to the indicator that shows the cell discontinuity operation has already been activated within the cell, the settings associated with the cell discontinuity operation are activated. Methods that include... [Claim 2] Before receiving the UE-specific message targeting the wireless device, the method The method according to claim 1, further comprising transmitting an indicator to a network node indicating the radio capability of the wireless device, wherein the radio capability indicates whether the wireless device supports at least one of cell DTX operation or cell DRX operation. [Claim 3] The method according to claim 1, wherein the UE-specific message comprises an RRC message. [Claim 4] The method according to claim 1, wherein receiving the indicator that indicates whether the cell discontinuity operation has already been activated within the cell includes receiving the indicator along with the settings associated with the cell discontinuity operation. [Claim 5] Receiving the indicator indicating whether the cell discontinuous operation has already been activated within the cell includes receiving, via the UE-specific message targeted to the wireless device, a list of candidate settings for the cell discontinuous operation and the indicator indicating whether any of the settings in the list of candidate settings have already been activated. The method according to claim 1, wherein activating the setting associated with the cell discontinuous operation includes activating the setting in response to an indicator that indicates that the setting in the list of candidate settings is already activated. [Claim 6] The settings associated with the aforementioned cell discontinuous operation are the following parameters: Cell DTX periodicity parameters for determining the cell DTX "ON" period and the cell DTX "OFF" period. A cell DTX start offset parameter for determining the cell DTX "ON" period and the cell DTX "OFF" period, Cell DRX periodicity parameters for determining the cell DRX "ON" period and the cell DRX "OFF" period, or Cell DRX start offset parameter for determining the cell DRX "ON" period and the cell DRX "OFF" period. The method according to claim 1, comprising at least one of the following. [Claim 7] Activating the setting associated with the cell discontinuity operation is Receiving a downlink signal or transmission on a downlink channel during the cell DTX OFF period, or Transmitting an uplink signal or transmission on an uplink channel during the cell DRX OFF period. The method according to claim 1, comprising disabling at least one of the following. [Claim 8] A method for wireless communication implemented by a network node, Sending a UE-specific message targeting a wireless device, wherein the UE-specific message includes an indicator indicating whether a cell discontinuous operation has already been activated within the cell of the network node, and the cell discontinuous operation comprises at least one of a cell discontinuous transmit (DTX) or a cell discontinuous receive (DRX), To transmit the settings associated with the aforementioned cell discontinuity operation. Methods that include... [Claim 9] Before transmitting the UE-specific message targeting the wireless device, the method The method of claim 8, further comprising receiving an indicator from the wireless device indicating the wireless capability of the wireless device, wherein the wireless capability indicates whether the wireless device supports at least one of cell DTX operation or cell DRX operation. [Claim 10] The method of claim 8, further comprising activating a setting associated with the cell discontinuity operation in response to transmitting the indicator indicating that the cell discontinuity operation has already been activated within the cell. [Claim 11] The settings associated with the aforementioned cell discontinuous operation are the following parameters: Cell DTX periodicity parameters for determining the cell DTX "ON" period and the cell DTX "OFF" period. A cell DTX start offset parameter for determining the cell DTX "ON" period and the cell DTX "OFF" period, Cell DRX periodicity parameters for determining the cell DRX "ON" period and the cell DRX "OFF" period, or Cell DRX start offset parameter for determining the cell DRX "ON" period and the cell DRX "OFF" period. The method according to claim 10, comprising at least one of the following. [Claim 12] The method according to claim 8, wherein the UE-specific message comprises an RRC message. [Claim 13] The method of claim 8, wherein transmitting the indicator that indicates whether the cell discontinuity operation has already been activated within the cell includes transmitting the indicator along with the settings associated with the cell discontinuity operation. [Claim 14] Sending the indicator that shows whether the cell discontinuous operation has already been activated within the cell, The method of claim 8, comprising transmitting a list of candidate settings for cell discontinuous operation and an indicator indicating whether a setting in the list of candidate settings has already been activated, via a UE-specific message targeting the wireless device. [Claim 15] The indicator shows that the cell discontinuity operation has already been activated within the cell of the network node. The method described above is Transmitting a downlink signal or a transmission on a downlink channel during the cell DTX OFF period, or Receiving an uplink signal or transmission on an uplink channel during the cell DRX OFF period. The method according to claim 8, further comprising disabling at least one of the following. [Claim 16] A device for wireless communication comprising a memory for storing computer instructions and a processor for communicating with the memory, wherein when the processor executes the computer instructions, the processor is configured to implement the method according to claim 8. [Claim 17] A computer program product comprising a non-temporary computer-readable program medium having computer code stored thereon, wherein when the computer code is executed by one or more processors, it causes the one or more processors to implement the method according to claim 8. [Claim 18] A device for wireless communication comprising a memory for storing computer instructions and a processor for communicating with the memory, wherein when the processor executes the computer instructions, the processor is configured to implement the method according to claim 1. [Claim 19] A computer program product comprising a non-temporary computer-readable program medium having computer code stored thereon, wherein when the computer code is executed by one or more processors, it causes the one or more processors to implement the method according to claim 1.

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