PDSCH processing time enhancements supporting uplink transmission handover

Abstract

Systems and methods for physical downlink shared channel (PDSCH) processing time enhancements for supporting uplink (UL) transmit (Tx) handover are described. In some embodiments, a PDSCH processing time, Tproc, 1, is determined using an UL Tx handover processing time, Tswitch, that corresponds to a Physical Uplink Shared Channel (PUSCH) preparation time, Tproc, 2, used at the UE. In some embodiments, the Tproc, 1 is determined using a PDSCH (Physical Downlink Shared Channel) UL Tx handover processing time (Tswitch, PDSCH), which is determined using a Tswitch corresponding to the Tproc, 2 used at the UE (User Equipment). In some embodiments, Tproc, 2 is compared with a time between an end of downlink control information (DCI) that schedules a PDSCH and a start of a physical uplink control channel (PUCCH) that has hybrid automatic repeat request acknowledgement (HARQ-ACK) signaling for the PDSCH to determine processing of the PUCCH. In some embodiments, a d1, 1 component of Tproc, 1 is relaxed based on Tswitch.

Description

Technical Field

[0001] The present patent application generally relates to wireless communication systems including uplink (UL) transmission (Tx) switching for multi-carrier operation. Background Art

[0002] Wireless mobile communication technologies use various standards and protocols to send data between base stations and wireless communication devices. For example, wireless communication system standards and protocols may include the Third Generation Partnership Project (3GPP) Long Term Evolution (LTE) (e.g., 4G), 3GPP New Radio (NR) (e.g., 5G), and the Institute of Electrical and Electronics Engineers (IEEE) 802.11 standard for wireless local area networks (WLANs) (commonly referred to within industry organizations as WLANs). ).

[0003] As envisioned by 3GPP, different wireless communication system standards and protocols may use various radio access networks (RANs) to communicate between base stations of the RAN (which may also sometimes be referred to as RAN nodes, network nodes, or simply nodes) and wireless communication devices referred to as user equipment (UE). 3GPP RANs may include, for example, Global System for Mobile Communications (GSM), Enhanced Data Rates for GSM Evolution (EDGE) RAN (GERAN), Universal Terrestrial Radio Access Network (UTRAN), Evolved Universal Terrestrial Radio Access Network (E-UTRAN), and / or Next Generation Radio Access Network (NG-RAN).

[0004] Each RAN may use one or more radio access technologies (RATs) to perform communications between base stations and UEs. For example, GERAN implements GSM and / or EDGE RAT, UTRAN implements Universal Mobile Telecommunications System (UMTS) RAT or other 3GPP RAT, E-UTRAN implements LTE RAT (sometimes referred to as LTE), and NG-RAN implements NR RAT (sometimes referred to herein as 5G RAT, 5G NR RAT, or NR). In some deployments, E-UTRAN may also implement NR RAT. In some deployments, NG-RAN may also implement LTE RAT.

[0005] The base stations used by the RAN may correspond to the RAN. An example of an E-UTRAN base station is an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (also commonly denoted as an evolved Node B, enhanced Node B, eNodeB, or eNB). An example of an NG-RAN base station is a Next Generation Node B (sometimes also referred to as a g-Node B or gNB).

[0006] The RAN provides communication services together with external entities through its connection with the Core Network (CN). For example, E-UTRAN may utilize the Evolved Packet Core (EPC) and NG-RAN may utilize the 5G Core Network (5GC).

[0007] The frequency bands of 5G NR can be divided into two or more different frequency ranges. For example, frequency range 1 (FR1) may include frequency bands operating at frequencies below 6 gigahertz (GHz), some of which are available for use by previous standards and can potentially be expanded to cover new spectrum products from 410 megahertz (MHz) to 7125MHz. Frequency range 2 (FR2) may include frequency bands from 24.25GHz to 52.6GHz. It should be noted that in some systems, FR2 may also include frequency bands from 52.6GHz to 71GHz (or higher). The frequency bands in the millimeter wave (mmWave) range of FR2 may have a smaller coverage than the frequency bands in FR1 but potentially higher available bandwidth. The technician will recognize that these frequency ranges provided by way of example may change over time or region. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] To easily identify the discussion of any particular element or action, the most significant digit(s) in a reference number refers to the drawing number that first introduces the element.

[0009] Figure 1A and Figure 1B It is a timing diagram comparing PUSCH preparation time and PDSCH processing time.

[0010] Figure 2 is a table illustrating UE capability parameters that may be reported by a UE to a base station according to one embodiment.

[0011] Figure 3 is a flowchart of a method of an exemplary UE according to one embodiment.

[0012] Figure 4 is a flow chart illustrating a method of RAN according to one embodiment.

[0013] Figure 5 is a table illustrating UE capability parameters that may be reported by a UE to a base station according to one embodiment.

[0014] Figure 6 is a flowchart of a method of an exemplary UE according to one embodiment.

[0015] Figure 7 is a flow chart illustrating a method of RAN according to one embodiment.

[0016] Figure 8is a flowchart of a method of an exemplary UE according to one embodiment.

[0017] Fig. 9 is a flow chart illustrating a method of RAN according to one embodiment.

[0018] Fig.10 is a flowchart of a method of an exemplary UE according to one embodiment.

[0019] Fig.11 is a flow chart illustrating a method of RAN according to one embodiment.

[0020] Fig.12 An example architecture of a wireless communication system according to embodiments disclosed herein is illustrated.

[0021] Fig.13 A system for performing signaling between a wireless device and a network device according to embodiments disclosed herein is illustrated. DETAILED DESCRIPTION

[0022] Various embodiments are described with respect to UE. However, reference to UE is provided for illustrative purposes only. The example embodiments may be used with any electronic component that can establish a connection with a network and is configured with hardware, software, and / or firmware for exchanging information and data with the network. Therefore, UE as described herein is used to represent any suitable electronic component.

[0023] In some wireless systems (e.g., 3GPP Release 16 (Rel-16)), uplink (UL) transmission (Tx) switching allows power amplifiers (PAs) to be shared between different component carriers. To accommodate the additional processing time for UL Tx switching, the UE may report the additional time for UL Tx switching to the base station. For example, the UE may report a parameter (e.g., uplinkTxSwitchingPeriod) in an information element (IE) transmitted to the base station to indicate the UL Tx switching processing time T switch (For example, one of {35 μs, 140 μs, 210 μs}).

[0024] UL Tx switching processing time T switch The value of may be added to the UL processing time from the scheduled downlink control information (DCI) for a physical channel or signal, such as a DCI-scheduled physical uplink shared channel (PUSCH) (e.g., T proc,2), DCI-triggered aperiodic sounding reference signal (SRS), physical random access channel (PRACH) transmission triggered by physical downlink control channel (PDCCH) command (DCI), DCI-triggered aperiodic channel state information (CSI) report on PUSCH, and / or UL uplink control information (UCI) multiplexing. However, current wireless systems do not multiplex the UL Tx switching processing time T switch The value of is related to the physical downlink shared channel (PDSCH) processing time (e.g., T proc,1 ) are added, because it is considered that T proc,1 One can count from the end of the PDSCH to the start of a Hybrid Automatic Repeat Request (HARQ) Acknowledgement (ACK), which may give sufficient margin if the end of the scheduled DCI is considered. However, analysis by the inventors has determined that such margin may not be sufficient.

[0025] For example, Figure 1A and Figure 1B It is a timing diagram comparing PUSCH preparation time and PDSCH processing time. Figure 1A The UL Tx switching processing time T is illustrated. switch The value of is added to the UL processing or preparation time N2 (ie, the number of symbols) from the end of the scheduled DCI 102 to the start of the corresponding PUSCH 104 (ie, T proc,2 =N2+T switch ).

[0026] For PDSCH, Figure 1B The processing time T from the end of the PDSCH 106 to the start of the corresponding hybrid automatic repeat request acknowledgement (HARQ-ACK) physical uplink control channel (PUCCH) 108 is illustrated. proc,1 As shown in the figure, the processing time T proc,1 It can correspond to the number of symbols N1 plus the relaxation component d 1,1 (i.e., T proc,1 =N1+d 1,1 ). Relaxation component d 1,1 One or more symbols may be included, for example, to account for the situation where PDSCH 106 may appear too close to or may overlap with scheduling DCI 110. 1,1 Time is allowed for the scheduling DCI 110 to be decoded in order to determine the timing of the HARQ-ACK PUCCH 108 .

[0027] Figure 1B The time T between the end of the scheduled DCI 110 and the start of the HARQ-ACK PUCCH 108 is also illustrated. proc,3For the worst case (eg, shortest duration or when PDSCH 106 overlaps with scheduling DCI 110), T proc,3 Only X symbols exceeding N2 (ie, T proc,3 =N2+X symbols). For a subcarrier spacing (SCS) of 15 kHz, for the worst case X=2, it is 143 μs and is not enough to cover T switch ={210μs}. For another example, for a 30kHz SCS, for the worst case X=2, it is 71μs and is not enough to cover T switch ={140μs, 210μs}. In addition, for the 60kHz SCS, for the worst case X=-2, it is -36μs and is not enough to cover T switch = any one of {35 μs, 140 μs, 210 μs}. Therefore, in these examples, the timing margin is not sufficient for the HARQ-ACK PUCCH 108 triggered by the reception of the PDSCH 106 scheduled by the scheduling DCI 110. Although for many possible PDSCH schedulings, the duration between the scheduling DCI 110 and the HARQ-ACK PUCCH 108 is sufficient for UL Tx switching, for the worst case, the duration is not sufficient.

[0028] Therefore, the embodiments disclosed herein provide a solution to address the PDSCH processing time relaxation to support UL switching. For example, some embodiments utilize T switch Other implementations may utilize the new gap to relax the PDSCH processing time.

[0029] Using T switch To relax PDSCH processing time

[0030] In one embodiment, as described herein, a method for preparing the PUSCH time T is used. proc,2 Determined T switch value to relax the PDSCH processing time T proc,1 In some such embodiments, the UE transmits a UE capability message to the base station to instruct the UE to use the UL Tx switching processing time T switch To calculate the PDSCH processing time. For example, T can be reported in uplinkTxSwitchingPeriod-r16 and / or uplinkTxSwitchingPeriod2T2T-r17. switch , where the candidate values ​​are {35μs, 140μs, 210μs}. In addition, or in other embodiments, T switch Can be used with T proc,1Added (see, e.g., 3GPP Technical Specification (TS) 38.214), as follows:

[0031] T proc,1 =(N1+d 1,1 +d2)(2048+144)·κ2 -μ ·T c +T ext +T switch ,

[0032] where μ is the index value corresponding to the SCS configuration and κ is T s With T c The ratio between c is the basic time unit for NR, T s It is the basic time unit for LTE. ext is the cyclic prefix extension, and d 1,1 and d2 is the relaxation time (symbol).

[0033] In one embodiment, when using T switch To relax the PDSCH processing time T proc,1 When the UE capability is increased, a new UE capability is introduced to indicate whether the relaxation is needed. For example, the capability may be reported as 3GPP Rel-16 UE capability, 3GPP Rel-17 UE or 3GPP Rel-18 UE capability.

[0034] In one embodiment, when using T switch To relax the PDSCH processing time T proc,1 When a new UE capability is introduced to indicate whether the relaxation is needed, the capability indication message may be per band combination (BC) and instruct the UE to use T switch to calculate the PDSCH processing time within BC, or the capability indication message can be per UE and indicate whether the UE always uses T switch To calculate the PDSCH processing time.

[0035] For example, Figure 2Table 200 of UE capability parameters that may be reported by a UE to a base station according to one embodiment is illustrated. For the reported capabilities, the illustrated examples indicate: feature (e.g., for "22.NR Other"); index (e.g., "22-2a"); feature group (e.g., indicating that T_{switch} needs to be relaxed to the PDSCH processing time T_{proc,1} for UL Tx switching); component (e.g., indicating that the UE needs to relax T_{switch} to the PDSCH processing time T_{proc,1} for UL Tx switching); prerequisite feature group (e.g., "FG7-2"); whether the base station (e.g., gNB) needs to know whether the feature is supported (e.g., yes); whether the indication is applicable to signaling exchanges between UEs (e.g., for vehicle-to-everything (V2X) implementation) (e.g., not applicable "N / A"); consequences if the UE does not support the feature; type (the "type" definition from the UE feature can be based on the following granularity: 1) per UE; or 2) per frequency band; or 3) per B C; or 4) per feature set (FS); or 5) per feature set per component carrier (FSPC) (e.g., per BC in this example); whether frequency division duplex (FDD) or time division duplex (TDD) distinction is required (e.g., N / A); whether FR1 or FR2 distinction is required (e.g., N / A); whether there is capability interpretation for FDD / TDD and / or FR1 / FR2 (e.g., N / A); note (if any); and / or whether the capability is mandatory or optional (e.g., optionally with capability signaling).

[0036] Figure 3 is a flow chart of a method 300 of an exemplary UE according to one embodiment. In block 302, the method 300 includes determining a PUSCH preparation time T corresponding to the PUSCH used at the UE. proc,2 UL Tx switching processing time T switch In block 304, method 300 includes using T switch To calculate the PDSCH processing time T for the UE proc,1 In block 306, the method 300 includes receiving a PDSCH from the network as scheduled by the scheduling DCI. In block 308, the method 300 includes once at least T has passed after the end of the PDSCH. proc,1 The duration of the PUCCH is to transmit the PUCCH including the HARQ-ACK signaling for the PDSCH to the network.

[0037] In one embodiment, the method 300 further includes transmitting to the network an instruction indicating that the UE uses T switch The capability indication message can indicate the UE to use T switchTo calculate the PDSCH processing time within the frequency band combination. Alternatively, the capability indication message indicates that the UE always uses T switch To calculate the PDSCH processing time.

[0038] In one embodiment of method 300, T switch Includes one of 35 μs, 140 μs and 210 μs.

[0039] Figure 4 is a flow chart illustrating a method 400 of a RAN according to one embodiment. In block 402, the method 400 includes determining a PUSCH preparation time T corresponding to the PUSCH used at the UE. proc,2 UL Tx switching processing time T switch In block 404, method 400 includes using T switch To calculate the PDSCH processing time T for the UE proc,1 In block 406, the method 400 includes transmitting a scheduling DCI to the UE, the scheduling DCI scheduling the PDSCH at the UE. In block 408, the method 400 includes transmitting the PDSCH as scheduled by the scheduling DCI to the UE. In block 410, the method 400 includes transmitting, once at least T has passed after the end of the PDSCH, proc,1 duration, a PUCCH including HARQ-ACK signaling for PDSCH is received from the UE.

[0040] In one embodiment, the method 400 further includes receiving from the UE an instruction indicating that the UE uses T switch To calculate the PDSCH processing time capability indication message, where T switch To calculate T proc,1 Occurs in response to receiving a capability indication. In one such embodiment, the capability indication indicates that the UE uses T switch To calculate the PDSCH processing time within the band combination. In another embodiment, the capability indication indicates that the UE always uses T switch To calculate the PDSCH processing time.

[0041] In one embodiment of method 400, T switch Includes one of 35 μs, 140 μs and 210 μs.

[0042] Using new gaps to relax PDSCH processing time

[0043] In one embodiment, different amounts of time T are used. switch,PDSCH Instead of using T switch To relax the PDSCH processing time T proc,1 Here, T switch,PDSCHIt may be referred to as the “PDSCH UL Tx switching processing time”. In one embodiment, for example, T switch,PDSCH Can be used with T proc,1 Add (see, for example, 3GPP TS 38.214), as follows:

[0044] T proc,1 =(N1+d 1,1 +d2)(2048+144)·κ2 -μ ·T c +T ext +T switch,PDSCH ,

[0045] where μ is the index value corresponding to the SCS configuration and κ is T s With T c The ratio between c is the basic time unit for NR, T s It is the basic time unit for LTE. ext is the cyclic prefix extension, and d 1,1 and d2 is the relaxation time (symbol).

[0046] In certain such embodiments, T switch,PDSCH For example, at least for 15kHz SCS and 30kHz SCS, T switch,PDSCH can be limited to less than T switch , where T switch， It may be one of the candidate values ​​{35 μs, 140 μs, 210 μs} (eg, as reported in uplinkTxSwitchingPeriod-r16 and / or uplinkTxSwitchingPeriod2T2T-r17).

[0047] In one embodiment, when using T switch,PDSCH To relax the PDSCH processing time T proc,1 When the UE capability report is used, the base station is informed of the T switch,PDSCH For example, the new capability may be reported as 3GPP Rel-16 UE capability, 3GPP Rel-17 UE, or 3GPP Rel-18 UE capability.

[0048] In one embodiment, when using T switch,PDSCH To relax the PDSCH processing time T proc,1 , and use the new UE capability report to indicate T to the base station switch,PDSCH When the value of switch,PDSCH can be reported as the same value for all possible SCSs, or T switch,PDSCHcan be reported as different values ​​for different SCSs (i.e., T switch,PDSCH have different values ​​for two or more of 15kHz SCS, 30kHz SCS, and 60kHz SCS).

[0049] Note that in some embodiments, when determining / reporting T switch,PDSCH The SCS considered when determining / reporting T may be the SCS applied at the serving cell of the UE that schedules one of the DCI, PDSCH, and PUCCH (e.g., if more than one serving cell is used for these, the SCS of one of the serving cells is used). It is contemplated that in some such cases, when determining / reporting T switch,PDSCH When considering the minimum SCS among these SCS (corresponding to the longer T switch,PDSCH ).

[0050] In one embodiment, when using T switch,PDSCH To relax the PDSCH processing time T proc,1 , and use the new UE capability report to indicate T to the base station switch,PDSCH When the value of T switch,PDSCH The candidate value can be compared with the value for T switch The candidate values ​​of are the same (e.g., {35 μs, 140 μs, 210 μs}). In other cases, compared to the case for T switch Candidate values ​​for T switch,PDSCH The candidate values ​​of can be within a reduced range (eg, {69 μs, 139 μs}).

[0051] In one embodiment, when using T switch,PDSCH To relax the PDSCH processing time T proc,1 , and use the new UE capability report to indicate T to the base station switch,PDSCH When the value of T is set, the capability indication message can be per BC and instruct the UE to use T switch,PDSCH to calculate the PDSCH processing time within BC, or the capability indication message can be per UE and indicate whether the UE always uses T switchPDSCH To calculate the PDSCH processing time. In some embodiments, when the UE does not report this capability, the UE does not proc,1 Use Slack.

[0052] Figure 5Table 500 of UE capability parameters that may be reported by a UE to a base station according to one embodiment is illustrated. For the reported capabilities, the illustrated examples indicate: feature (e.g., for "22.NR Other"); index (e.g., "7-2a"); feature group (e.g., when dynamic UL Tx switching is configured, the length of the UL Tx switching period required for the PDSCH processing time per pair of UL bands per band combination); component (e.g., when dynamic UL Tx switching is configured, the UL Tx switching period required for the PDSCH processing time per pair of UL bands per band combination); Length of Tx switching period); Prerequisite feature group (e.g., "FG7-2"); Whether the base station (e.g., gNB) needs to know whether the feature is supported (e.g., yes); Whether the indication is applicable to signaling exchange between UEs (e.g., for V2X implementation) (e.g., not applicable "N / A"); Consequences if the UE does not support the feature; Type (the "Type" definition from the UE feature can be based on the following granularity: 1) per UE; or 2) per frequency band; or 3) per BC; or 4) per feature set (FS); or 5) per feature set per component carrier (FSPC) (e.g., per BC); Whether FDD or TDD distinction is required (e.g., N / A); Whether FR1 or FR2 distinction is required (e.g., N / A (FR1 only)); Whether there is capability judgment for FDD / TDD and / or FR1 / FR2 (e.g., N / A); Note (which can be used to report T switch,PDSCH ) (e.g., {35μs, 140μs, 210μs}, or in other cases not illustrated {69μs, 139μs}, etc.); and / or whether the capability is mandatory or optional (e.g., optionally with capability signaling).

[0053] In one embodiment, for using T switch,PDSCH To relax the PDSCH processing time T proc,1 , T switch,PDSCH With T proc,1 Added (see, e.g., 3GPP TS 38.214), as follows:

[0054] T proc,1 =(N1+d 1,1 +d2)(2048+144)·κ2 -μ ·T c +T ext +T switch,PDSCH ,

[0055] Where T switch,PDSCH Calculated as T switch,PDSCH =T switch , or T switch,PDSCH Relative to T switchIn one such embodiment, if the last symbol of PDSCH is not later than the last symbol of the scheduling DCI, and / or if the first symbol of PDSCH is not later than {last symbol+1} of the scheduling DCI, and the downlink (DL) outage is reported by the UE capability on the frequency band configured for DL ​​and UL Tx switching, then T switch,PDSCH =T switch Otherwise, relative to T switch The reported value of T switch,PDSCH , and the difference is based on one or more of: the DL interruption during the switching gap if reported by the UE for a given frequency band; the duration of the PDSCH; the interval between the last symbol of the scheduling DCI and the first symbol of the PDSCH; and the parameter set (i.e., SCS) of the scheduling DCI, the parameter set of the scheduled PDSCH, and the parameter set of the PUCCH with the corresponding HARQ-ACK.

[0056] Figure 6 is a flow chart of a method 600 of an exemplary UE according to one embodiment. In block 602, the method 600 includes using a PUSCH preparation time T corresponding to the PUSCH preparation time T used at the UE. proc,2 UL Tx switching processing time T switch To determine the PDSCH UL Tx switching processing time T switch,PDSCH At block 604, method 600 includes using T switch,PDSCH To calculate the PDSCH processing time T for the UE proc,1 In block 606, the method 600 includes receiving a PDSCH from the network as scheduled by the scheduling DCI. In block 608, the method 600 includes, once at least T has passed after the end of the PDSCH, proc,1 The duration of the PUCCH is to transmit the PUCCH including the HARQ-ACK signaling for the PDSCH to the network.

[0057] In one embodiment, method 600 further includes transmitting to the network a report T switch,PDSCH In one such embodiment, the capability indication message indicates that the UE uses T switch,PDSCH To calculate the PDSCH processing time within the frequency band combination. In another embodiment, the capability indication message indicates that the UE always uses T switch,PDSCH To calculate the PDSCH processing time.

[0058] In one embodiment of method 600, T is determined based on the SCS for scheduling one of DCI, PDSCH, and PUCCH. switch,PDSCH .

[0059] In one embodiment of method 600, T switch,PDSCH and T switch Each of T corresponds to the same SCS, and T switch,PDSCH Less than T switch .

[0060] In one embodiment of method 600, T switch,PDSCH Includes one of 69 μs and 139 μs.

[0061] In one embodiment of method 600, using T switch To determine T switch,PDSCH This includes determining T when one or more of the following conditions exist: switch,PDSCH Equal to T switch : The first symbol ending the PDSCH is no later than the second symbol ending the scheduling DCI; and the first symbol is no later than the third symbol immediately following the second symbol, and the UE is able to perform DL interruption on each of one or more bands for DL ​​Tx switching and UL Tx switching.

[0062] In one embodiment of method 600, using T switch To determine T switch,PDSCH Including determining T switch,PDSCH Equal to T switch Subtract a value based on one or more of: a first duration for a DL interruption occurring during a switching gap; a second duration for the PDSCH; a third duration corresponding to a gap between an end symbol of the scheduling DCI and a start symbol of the PDSCH; and each of the first parameter set for the scheduling DCI, the second parameter set for the PDSCH, and the third parameter set for the PUCCH.

[0063] Figure 7 is a flow chart of an exemplary RAN method 700 according to one embodiment. In block 702, the method 700 includes determining a PDSCH UL Tx switching processing time T switch,PDSCH At block 704, method 700 includes using T switch,PDSCH To calculate the PDSCH processing time T for the UE proc,1 In block 706, the method 700 includes transmitting a scheduling DCI to the UE, the scheduling DCI scheduling the PDSCH at the UE. In block 708, the method 700 includes transmitting the PDSCH as scheduled by the scheduling DCI to the UE. In block 710, the method 700 includes transmitting, once at least T has passed after the end of the PDSCH, proc,1 duration, a PUCCH including HARQ-ACK signaling for PDSCH is received from the UE.

[0064] In one embodiment, method 700 further includes receiving from the UE a report to the network switch,PDSCH Capability indication message, where T switch,PDSCH The capability indication message is used at the RAN to determine. In one such embodiment, the capability indication message indicates that the UE uses T switch,PDSCH To calculate the PDSCH processing time within the frequency band combination. In another embodiment, the capability indication message indicates that the UE always uses T switch,PDSCH To calculate the PDSCH processing time.

[0065] In one embodiment of the method 700, a PUSCH preparation time T corresponding to the PUSCH preparation time T used at the UE is used. proc,2 UL Tx switching processing time T switch To determine T switch,PDSCH T may be determined based on the SCS for scheduling one of the DCI, PDSCH, and PUCCH. switch,PDSCH . T switch,PDSCH and T switch Each of can correspond to the same SCS, and T switch,PDSCH Can be less than T switch . T switch,PDSCH It may include one of 69 μs and 139 μs. In one embodiment, T switch To determine T switch,PDSCH This includes determining T when one or more of the following conditions exist: switch,PDSCH Equal to T switch :The first symbol of the end PDSCH is no later than the second symbol of the end scheduling DCI; and the first symbol is no later than the third symbol immediately following the second symbol, and the UE is able to perform DL interruption on each of the one or more frequency bands used for DL ​​Tx switching and UL Tx switching. In another embodiment, using T switch To determine T switch,PDSCH Including determining T switch,PDSCH Equal to T switch Subtract a value based on one or more of: a first duration for a DL interruption occurring during a switching gap; a second duration for the PDSCH; a third duration corresponding to a gap between an end symbol of the scheduling DCI and a start symbol of the PDSCH; and each of the first parameter set for the scheduling DCI, the second parameter set for the PDSCH, and the third parameter set for the PUCCH.

[0066] Additional Example Implementations

[0067] In one embodiment, for UL Tx switching, when HARQ-ACK PUCCH transmission is scheduling PDSCH scheduled by dynamic DCI (e.g., DCI format 1_1 / 1_2), for the time offset between the end of the scheduled DCI and the start of the HARQ-ACK PUCCH, if the time offset is less than the PUSCH processing time T proc,2 , the UE may discard the HARQ-ACK PUCCH or delay the HARQ-ACK PUCCH until T proc,2 The first available time slot for PUCCH transmission.

[0068] In one embodiment, for UL Tx switching, during the PDSCH processing time T proc,1 Targeting d 1,1 Introduce additional relaxation. For SCS = 15kHz, when T switch = 210μs, a symbol is added to d 1,1 For SCS = 30kHz, when T switch = 140μs, the two symbols are combined with d 1,1 Add together, and when T switch = 210μs, the four symbols and d 1,1 For SCS = 60kHz, when T switch = 35μs, the four symbols and d 1,1 Add, when T switch = 140μs, ten symbols and d 1,1 Add together, and when T switch = 210μs, the fourteen symbols and d 1,1 Add.

[0069] Note that in some embodiments, when determining to 1,1 The SCS considered when determining the number of additional symbols to be added may be the SCS applied at the serving cell of the UE that schedules one of the DCI, PDSCH, and PUCCH (e.g., if more than one serving cell is used for these, the SCS of one of the serving cells is used). It is contemplated that in some such cases, when determining the number of additional symbols to be added with d 1,1 The number of additional symbols to be added is considered to be the smallest SCS among these SCSs (corresponding to the SCS with d 1,1 More additional symbols added).

[0070] In one embodiment, for UL Tx switching, when the PDSCH processing time T proc,1 Targeting d 1,1When additional relaxation is introduced, it can be introduced only for certain cases, depending on: the time domain resource allocation (TDRA) mapping type of PDSCH; whether mapping type A or mapping type B is used; the duration of the scheduled PDSCH; and / or how many symbols of the PDSCH overlap with the scheduling DCI.

[0071] Figure 8 8 is a flow chart of a method 800 of an exemplary UE according to one embodiment. In block 802, the method 800 includes determining a PUSCH preparation time T used at the UE. proc,2 In block 804, method 800 includes determining that a time between an end of a scheduling DCI scheduling a PDSCH and a start of a PUCCH including HARQ-ACK signaling for the PDSCH is less than T proc,2 In block 806, method 800 performs one of: dropping the PUCCH; and delaying the PUCCH until at least T has passed after the end of the scheduled DCI. proc,2 After the duration.

[0072] Fig. 9 is a flow chart illustrating a method 900 of a RAN according to one embodiment. In block 902, the method 900 includes determining a PUSCH preparation time T used at a UE. proc,2 In block 904, method 900 includes determining that a time between an end of a scheduling DCI scheduling a PDSCH and a start of a PUCCH including HARQ-ACK signaling for the PDSCH is less than T proc,2 In block 906, method 900 performs one of: discarding reception of the PUCCH; and after at least T has passed after the end of the scheduled DCI. proc,2 PUCCH is received after a duration of

[0073] Fig.10 is a flow chart of a method 1000 of an exemplary UE according to one embodiment. In block 1002, the method 1000 includes determining a PUSCH preparation time T corresponding to the PUSCH used at the UE. proc,2 UL Tx switching processing time T switch At block 1004, method 1000 includes: based on T switch , the number of one or more symbols N and the PDSCH processing time T used at the UE proc,1 D 1,1 The components are added. In block 1006, the method 1000 includes receiving a PDSCH from the network as scheduled by a scheduling DCI. In block 1008, the method 1000 includes once at least T has passed after the end of the PDSCH. proc,1The duration of the PUCCH is to transmit the PUCCH including the HARQ-ACK signaling for the PDSCH to the network.

[0074] In one embodiment of the method 1000, the SCS for scheduling one of DCI, PDSCH, and PUCCH is 15 kHz, and T switch is equal to 210 μs and the number of symbols N is one.

[0075] In one embodiment of the method 1000, the SCS for scheduling one of DCI, PDSCH, and PUCCH is 30 kHz, and one of the following conditions exists: switch is equal to 140 μs and the number of symbols N is two; and T switch is equal to 210 μs and the number of symbols N is four.

[0076] In one embodiment of the method 1000, the SCS for scheduling one of DCI, PDSCH, and PUCCH is 60 kHz, and one of the following conditions exists: switch is equal to 35 μs and the number of symbols N is four; T switch is equal to 140 μs and the number of symbols N is 10; and T switch is equal to 210 μs and the number of symbols N is 14.

[0077] In one embodiment of method 1000, the number N of one or more symbols is compared to T proc,1 D 1,1 The component addition occurs in response to a determination of one of the following: a TDRA mapping type for the PDSCH corresponds to a number N of one or more symbols in d 1,1 The duration of the PDSCH corresponds to the number of one or more symbols N in d 1,1 The number of symbols M in the PDSCH overlapping with the scheduling DCI corresponds to the number of one or more symbols N in d 1,1 Use in portion.

[0078] Fig.11 1 is a flow chart illustrating a method 1000 of a RAN according to one embodiment. In block 1102, the method 1100 includes determining a PUSCH preparation time T corresponding to the PUSCH used at the UE. proc,2 UL Tx switching processing time T switch In block 1104, method 1100 includes determining based on T switch To combine the number of one or more symbols N with the PDSCH processing time T used at the UE proc,1In block 1106, the method 1100 includes transmitting a scheduling DCI to the UE, the scheduling DCI scheduling the PDSCH at the UE. In block 1108, the method 1100 includes transmitting the PDSCH as scheduled by the scheduling DCI to the UE. In block 1110, the method 1100 includes transmitting the PDSCH as scheduled by the scheduling DCI to the UE. proc,1 duration, a PUCCH including HARQ-ACK signaling for PDSCH is received from the UE.

[0079] In one embodiment of the method 1100, the SCS for scheduling one of DCI, PDSCH, and PUCCH is 15 kHz, and T switch is equal to 210 μs and the number of symbols N is one.

[0080] In one embodiment of the method 1100, the SCS for scheduling one of DCI, PDSCH, and PUCCH is 30 kHz, and one of the following conditions exists: switch is equal to 140 μs and the number of symbols N is two; and T switch is equal to 210 μs and the number of symbols N is four.

[0081] In one embodiment of the method 1100, the SCS for scheduling one of DCI, PDSCH, and PUCCH is 60 kHz; and wherein one of the following conditions exists: switch is equal to 35 μs and the number of symbols N is four; T switch is equal to 140 μs and the number of symbols N is 10; and T switch is equal to 210 μs and the number of symbols N is 14.

[0082] In one embodiment of method 1100, the number N of one or more symbols is compared to T proc,1 D 1,1 The component addition occurs in response to a determination of one of the following: a TDRA mapping type for the PDSCH corresponds to a number N of one or more symbols in d 1,1 The duration of the PDSCH corresponds to the number of one or more symbols N in d 1,1 The number of symbols M in the PDSCH overlapping with the scheduling DCI corresponds to the number of one or more symbols N in d 1,1 Use in portion.

[0083] Fig.12An example architecture of a wireless communication system 1200 according to embodiments disclosed herein is illustrated. The description provided below is for an example wireless communication system 1200 operating in conjunction with LTE system standards and / or 5G or NR system standards provided in 3GPP technical specifications.

[0084] like Fig.12 As shown, wireless communication system 1200 includes UE 1202 and UE 1204 (although any number of UEs may be used). In this example, UE 1202 and UE 1204 are illustrated as smartphones (e.g., handheld touch screen mobile computing devices capable of connecting to one or more cellular networks), but may also include any mobile or non-mobile computing device configured for wireless communication.

[0085] UE 1202 and UE 1204 may be configured to be communicatively coupled to RAN 1206. In an embodiment, RAN 1206 may be NG-RAN, E-UTRAN, etc. UE 1202 and UE 1204 utilize connections (or channels) (shown as connection 1208 and connection 1210, respectively) with RAN 1206, where each connection (or channel) includes a physical communication interface. RAN 1206 may include one or more base stations (such as base station 1212 and base station 1214) to implement connection 1208 and connection 1210.

[0086] In this example, connection 1208 and connection 1210 are air interfaces that enable such communicative coupling and may conform to the RAT used by RAN 1206, such as LTE and / or NR.

[0087] In some embodiments, UE 1202 and UE 1204 may also directly exchange communication data via sidelink interface 1216. UE 1204 is shown configured to access an access point (shown as AP 1218) via connection 1220. For example, connection 1220 may include a local wireless connection, such as a connection conforming to any IEEE 802.11 protocol, wherein AP 1218 may include In this example, AP 1218 may not be connected to another network (eg, the Internet) through CN 1224.

[0088] In an embodiment, UE 1202 and UE 1204 may be configured to communicate with each other or with base station 1212 and / or base station 1214 over a multi-carrier communication channel using orthogonal frequency division multiplexing (OFDM) communication signals according to various communication techniques, such as, but not limited to, orthogonal frequency division multiple access (OFDMA) communication techniques (e.g., for downlink communication) or single carrier frequency division multiple access (SC-FDMA) communication techniques (e.g., for uplink and ProSe or sidelink communication), although the scope of the embodiment is not limited in this respect. OFDM signals may include multiple orthogonal subcarriers.

[0089] In some embodiments, all or part of base station 1212 or base station 1214 may be implemented as one or more software entities running on a server computer as part of a virtual network. In addition, or in other embodiments, base station 1212 or base station 1214 may be configured to communicate with each other via interface 1222. In an embodiment where wireless communication system 1200 is an LTE system (e.g., when CN 1224 is an EPC), interface 1222 may be an X2 interface. The X2 interface may be defined between two or more base stations (e.g., two or more eNBs, etc.) connected to the EPC and / or between two eNBs connected to the EPC. In an embodiment where wireless communication system 1200 is an NR system (e.g., when CN 1224 is a 5GC), interface 1222 may be an Xn interface. The Xn interface is defined between two or more base stations (e.g., two or more gNBs, etc.) connected to a 5GC, between a base station 1212 (e.g., a gNB) and an eNB connected to a 5GC, and / or between two eNBs connected to a 5GC (e.g., CN 1224).

[0090] RAN 1206 is shown as being communicatively coupled to CN 1224. CN 1224 may include one or more network elements 1226 configured to provide various data and telecommunication services to customers / subscribers (e.g., UE 1202 and users of UE 1204) connected to CN 1224 via RAN 1206. Components of CN 1224 may be implemented in one physical device or separate physical devices including components for reading and executing instructions from a machine-readable or computer-readable medium (e.g., a non-transitory machine-readable storage medium).

[0091] In an embodiment, CN 1224 may be an EPC, and RAN 1206 may be connected to CN 1224 via an S1 interface 1228. In an embodiment, S1 interface 1228 may be divided into two parts: an S1 user plane (S1-U) interface, which carries traffic data between base station 1212 or base station 1214 and a serving gateway (S-GW), and an S1-MME interface, which is a signaling interface between base station 1212 or base station 1214 and a mobility management entity (MME).

[0092] In an embodiment, CN 1224 may be a 5GC, and RAN 1206 may be connected to CN 1224 via an NG interface 1228. In an embodiment, NG interface 1228 may be divided into two parts: an NG user plane (NG-U) interface that carries traffic data between base station 1212 or base station 1214 and a user plane function (UPF), and an S1 control plane (NG-C) interface that is a signaling interface between base station 1212 or base station 1214 and an access and mobility management function (AMF).

[0093] In general, the application server 1230 may be an element that provides applications that use Internet Protocol (IP) bearer resources with the CN 1224 (e.g., packet-switched data services). The application server 1230 may also be configured to support one or more communication services (e.g., VoIP sessions, group communication sessions, etc.) for the UE 1202 and UE 1204 via the CN 1224. The application server 1230 may communicate with the CN 1224 via the IP communication interface 1232.

[0094] Fig.13 A system 1300 for performing signaling 1334 between a wireless device 1302 and a network device 1318 according to embodiments disclosed herein is illustrated. The system 1300 may be part of a wireless communication system as described herein. The wireless device 1302 may be, for example, a UE of a wireless communication system. The network device 1318 may be, for example, a base station (e.g., an eNB or gNB) of a wireless communication system.

[0095] The wireless device 1302 may include one or more processors 1304. The processor 1304 may execute instructions to perform various operations of the wireless device 1302 as described herein. The processor 1304 may include one or more baseband processors implemented using, for example, a central processing unit (CPU), a digital signal processor (DSP), an application specific integrated circuit (ASIC), a controller, a field programmable gate array (FPGA) device, another hardware device, a firmware device, or any combination thereof configured to perform the operations described herein.

[0096] The wireless device 1302 may include a memory 1306. The memory 1306 may be a non-transitory computer-readable storage medium that stores instructions 1308 (which may include, for example, instructions executed by the processor 1304). The instructions 1308 may also be referred to as program code or a computer program. The memory 1306 may also store data used by the processor 1304 and results calculated by the processor.

[0097] The wireless device 1302 may include one or more transceivers 1310, which may include radio frequency (RF) transmitter and / or receiver circuitry that uses an antenna 1312 of the wireless device 1302 to facilitate signaling (e.g., signaling 1334) sent or received by the wireless device 1302 with other devices (e.g., network device 1318) according to a corresponding RAT.

[0098] The wireless device 1302 may include one or more antennas 1312 (e.g., one, two, four, or more). For implementations with multiple antennas 1312, the wireless device 1302 may take full advantage of the spatial diversity of these multiple antennas 1312 to transmit and / or receive multiple different data streams on the same time-frequency resources. This behavior may be referred to as, for example, multiple-input multiple-output (MIMO) behavior (referring to multiple antennas used at each of the transmitting device and the receiving device to implement this aspect). MIMO transmission by the wireless device 1302 may be implemented based on precoding (or digital beamforming) applied to the wireless device 1302, which multiplexes the data streams between the antennas 1312 based on known or assumed channel characteristics, so that each data stream is received with appropriate signal strength relative to the other streams and at a desired location in the spatial domain (e.g., the location of the receiver associated with the data stream). Certain embodiments may use a single-user MIMO (SU-MIMO) approach (where data streams are all directed to a single receiver) and / or a multi-user MIMO (MU-MIMO) approach (where separate data streams may be directed to separate (different) receivers in different locations in the spatial domain).

[0099] In certain embodiments with multiple antennas, the wireless device 1302 may implement analog beamforming techniques whereby the phases of signals transmitted by the antennas 1312 are adjusted relative to each other so that the (joint) transmissions of the antennas 1312 are directional (this is sometimes referred to as beam steering).

[0100] The wireless device 1302 may include one or more interfaces 1314. The interfaces 1314 may be used to provide input to or output from the wireless device 1302. For example, a wireless device 1302 that is a UE may include an interface 1314, such as a microphone, a speaker, a touch screen, buttons, etc., to allow a user of the UE to provide input and / or output to the UE. Other interfaces of such a UE may be composed of transmitters, receivers, and other circuits that allow communication between the UE and other devices (e.g., in addition to the transceiver 1310 / antenna 1312 described above), and may be based on known protocols (e.g., etc.) to perform the operation.

[0101] The wireless device 1302 may include a PDSCH processing time module 1316. The PDSCH processing time module 1316 may be implemented via hardware, software, or a combination thereof. For example, the PDSCH processing time module 1316 may be implemented as a processor, circuit, and / or instructions 1308 stored in the memory 1306 and executed by the processor 1304. In some examples, the PDSCH processing time module 1316 may be integrated within the processor 1304 and / or the transceiver 1310. For example, the PDSCH processing time module 1316 may be implemented by a combination of software components (e.g., executed by a DSP or a general purpose processor) and hardware components (e.g., logic gates and circuits) within the processor 1304 or the transceiver 1310.

[0102] The PDSCH processing time module 1316 may be used in various aspects of the present disclosure, such as Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 8 and / or Fig.10 all aspects.

[0103] The network device 1318 may include one or more processors 1320. The processor 1320 may execute instructions to perform various operations of the network device 1318 as described herein. The processor 1320 may include one or more baseband processors implemented using, for example, a CPU, a DSP, an ASIC, a controller, an FPGA device, another hardware device, a firmware device, or any combination thereof configured to perform the operations described herein.

[0104] The network device 1318 may include a memory 1322. The memory 1322 may be a non-transitory computer-readable storage medium that stores instructions 1324 (which may include, for example, instructions executed by the processor 1320). The instructions 1324 may also be referred to as program code or a computer program. The memory 1322 may also store data used by the processor 1320 and results calculated by the processor.

[0105] The network device 1318 may include one or more transceivers 1326, which may include RF transmitter and / or receiver circuits that use an antenna 1328 of the network device 1318 to facilitate signaling (e.g., signaling 1334) to and / or from the network device 1318 with other devices (e.g., wireless device 1302) according to a corresponding RAT.

[0106] The network device 1318 may include one or more antennas 1328 (e.g., one, two, four, or more). In embodiments with multiple antennas 1328, the network device 1318 may perform MIMO, digital beamforming, analog beamforming, beam steering, etc. as described above.

[0107] The network device 1318 may include one or more interfaces 1330. The interface 1330 may be used to provide input to or output from the network device 1318. For example, a network device 1318 that is a base station may include an interface 1330 consisting of a transmitter, a receiver, and other circuits (e.g., in addition to the transceiver 1326 / antenna 1328 already described), which enables the base station to communicate with other equipment in the core network and / or enables the base station to communicate with external networks, computers, databases, etc., for the purpose of operating, managing, and maintaining the base station or other equipment that is operably connected to the base station.

[0108] The network device 1318 may include a PDSCH processing time module 1332. The PDSCH processing time module 1332 may be implemented via hardware, software, or a combination thereof. For example, the PDSCH processing time module 1332 may be implemented as a processor, circuit, and / or instructions 1324 stored in the memory 1322 and executed by the processor 1320. In some examples, the PDSCH processing time module 1332 may be integrated within the processor 1320 and / or the transceiver 1326. For example, the PDSCH processing time module 1332 may be implemented by a combination of software components (e.g., executed by a DSP or general purpose processor) and hardware components (e.g., logic gates and circuits) within the processor 1320 or the transceiver 1326.

[0109] The PDSCH processing time module 1332 may be used in various aspects of the present disclosure, such as Figure 2 , Figure 4 , Figure 5 , Figure 7 , Fig. 9 and / or Fig.11 all aspects.

[0110] Embodiments contemplated herein include an apparatus comprising means for performing one or more elements of method 300, method 600, method 800, and / or method 1000. The apparatus may be, for example, an apparatus that is a UE (such as wireless device 1302 as a UE, as described herein).

[0111] Embodiments contemplated herein include one or more non-transitory computer-readable media including instructions that, when executed by one or more processors of an electronic device, cause the electronic device to perform one or more elements of method 300, method 600, method 800, and / or method 1000. The non-transitory computer-readable medium may be, for example, a memory of a UE (such as memory 1306 of wireless device 1302 as a UE, as described herein).

[0112] Embodiments contemplated herein include an apparatus comprising logical components, modules, or circuits for performing one or more elements of method 300, method 600, method 800, and / or method 1000. The apparatus may be, for example, an apparatus of a UE (such as wireless device 1302 as a UE, as described herein).

[0113] Embodiments contemplated herein include an apparatus comprising: one or more processors and one or more computer-readable media comprising instructions that, when executed by the one or more processors, cause the one or more processors to perform one or more elements of method 300, method 600, method 800, and / or method 1000. The apparatus may be, for example, an apparatus of a UE (such as wireless device 1302 as a UE, as described herein).

[0114] Embodiments contemplated herein include signals as described in or associated with one or more elements of method 300 , method 600 , method 800 , and / or method 1000 .

[0115] Embodiments contemplated herein include a computer program or computer program product including instructions, wherein execution of the program by a processor causes the processor to perform one or more elements of method 300, method 600, method 800, and / or method 1000. The processor may be a processor of a UE (such as processor 1304 of wireless device 1302 as a UE, as described herein). These instructions may be located, for example, in a processor and / or on a memory of a UE (such as memory 1306 of wireless device 1302 as a UE, as described herein).

[0116] Embodiments contemplated herein include an apparatus comprising means for performing one or more elements of method 400, method 700, method 900, and / or method 1100. The apparatus may be, for example, an apparatus of a base station (such as network device 1318 being a base station, as described herein).

[0117] Embodiments contemplated herein include one or more non-transitory computer-readable media including instructions that, when executed by one or more processors of an electronic device, cause the electronic device to perform one or more elements of method 400, method 700, method 900, and / or method 1100. The non-transitory computer-readable medium may be, for example, a memory of a base station (such as memory 1322 of network device 1318 being a base station, as described herein).

[0118] Embodiments contemplated herein include an apparatus comprising logical components, modules, or circuits for performing one or more elements of method 400, method 700, method 900, and / or method 1100. The apparatus may be, for example, an apparatus of a base station (such as network device 1318 that is a base station, as described herein).

[0119] Embodiments contemplated herein include an apparatus comprising: one or more processors and one or more computer-readable media comprising instructions that, when executed by the one or more processors, cause the one or more processors to perform one or more elements of method 400, method 700, method 900, and / or method 1100. The apparatus may be, for example, an apparatus of a base station (such as network device 1318 that is a base station, as described herein).

[0120] Embodiments contemplated herein include signals as described in or associated with one or more elements of method 400 , method 700 , method 900 , and / or method 1100 .

[0121] Embodiments contemplated herein include a computer program or computer program product including instructions, wherein execution of the program by a processing element causes the processing element to perform one or more elements of method 400, method 700, method 900, and / or method 1100. The processor may be a processor of a base station (such as processor 1320 of network device 1318 being a base station, as described herein). These instructions may be located, for example, in a processor of a base station and / or on a memory (such as memory 1322 of network device 1318 being a base station, as described herein).

[0122] For one or more embodiments, at least one of the components set forth in one or more of the foregoing figures may be configured to perform one or more operations, techniques, processes, and / or methods as described herein. For example, a baseband processor as described herein in conjunction with one or more of the foregoing figures may be configured to operate according to one or more of the examples set forth herein. For another example, circuits associated with a UE, a base station, a network element, etc. as described above in conjunction with one or more of the foregoing figures may be configured to operate according to one or more of the examples set forth herein.

[0123] Unless otherwise expressly stated, any of the above embodiments may be combined with any other embodiment (or combination of embodiments). The foregoing description of one or more specific implementations provides illustration and description, but is not intended to be exhaustive or to limit the scope of the embodiments to the precise form disclosed. In view of the above teachings, modifications and variations are possible or can be obtained from the practice of various embodiments.

[0124] Embodiments and implementations of the systems and methods described herein may include various operations that may be embodied in machine executable instructions to be executed by a computer system. A computer system may include one or more general or special purpose computers (or other electronic devices). A computer system may include hardware components that include specific logic components for performing operations; or may include a combination of hardware, software, and / or firmware.

[0125] It should be appreciated that the systems described herein include descriptions of specific embodiments. These embodiments may be combined into a single system, partially combined into other systems, separated into multiple systems, or otherwise divided or combined. In addition, it is contemplated that parameters, attributes, aspects, etc. of another embodiment may be used in one embodiment. For clarity, these parameters, attributes, aspects, etc. are described only in one or more embodiments, and it should be appreciated that these parameters, attributes, aspects, etc. may be combined with or substituted for parameters, attributes, aspects, etc. of another embodiment unless expressly stated herein.

[0126] It is well known that the use of personally identifiable information should be subject to privacy policies and practices that are generally recognized to meet or exceed industry or government requirements for maintaining user privacy. Specifically, personally identifiable information data should be managed and processed to minimize the risk of unintentional or unauthorized access or use, and the nature of the authorized use should be clearly stated to users.

[0127] Although the foregoing has been described in considerable detail for the sake of clarity, it will be apparent that certain changes and modifications may be made without departing from the principles of the invention. It should be noted that there are many alternative ways to implement both the processes and the apparatus described herein. Therefore, the embodiments of the present invention should be regarded as illustrative rather than restrictive, and the specification is not limited to the details given herein, but may be modified within the scope and equivalents of the appended claims.

Claims

1. A method of a user equipment (UE), the method comprising: Determine a physical uplink shared channel (PUSCH) preparation time T used at the UE proc,2 ; Determining that a time between an end of scheduled downlink control information (DCI) for a scheduled physical downlink shared channel (PDSCH) and a start of a physical uplink control channel (PUCCH) including hybrid automatic repeat request acknowledgement (HARQ-ACK) signaling for the PDSCH is less than the T proc,2 ;as well as Do one of the following: discarding the PUCCH; and Delaying the PUCCH until at least the T has elapsed after the end of the scheduling DCI proc,2 After the duration.

2. A method of a radio access network (RAN), the method comprising: Determine the physical uplink shared channel (PUSCH) preparation time T used at the user equipment (UE) proc,2 ; Determining that a time between an end of scheduled downlink control information (DCI) for a scheduled physical downlink shared channel (PDSCH) and a start of a physical uplink control channel (PUCCH) including hybrid automatic repeat request acknowledgement (HARQ-ACK) signaling for the PDSCH is less than the T proc,2 ;as well as Do one of the following: discarding reception of the PUCCH; and At least T has passed after the end of the scheduled DCI proc,2 The PUCCH is received after a duration of 3. A method of a user equipment (UE), the method comprising: Determine a physical uplink shared channel (PUSCH) preparation time T corresponding to use at the UE proc,2 Uplink (UL) transmission (Tx) switching processing time T switch ; Based on the T switch , the number of one or more symbols N and the physical downlink shared channel (PDSCH) processing time T used at the UE proc,1 D 1,1 Add the weights together; receiving a PDSCH from a network as scheduled by scheduling downlink control information (DCI); as well as Once at least T has elapsed after the end of the PDSCH proc,1 The duration of the PDSCH is to transmit a physical uplink control channel (PUCCH) including a hybrid automatic repeat request acknowledgement (HARQ-ACK) signaling for the PDSCH to the network.

4. The method according to claim 3, wherein: A subcarrier spacing (SCS) for one of the scheduling DCI, the PDSCH, and the PUCCH is 15 kilohertz (kHz); The T switch is equal to 210 microseconds (μs); and The number N of symbols is one.

5. The method according to claim 3, wherein: a subcarrier spacing (SCS) for one of the scheduling DCI, the PDSCH, and the PUCCH is 30 kilohertz (kHz); and One of the following situations exists: The T switch is equal to 140 microseconds (μs) and the number N of symbols is two; and The T switch is equal to 210 microseconds (μs) and the number of symbols N is four.

6. The method according to claim 3, wherein: A subcarrier spacing (SCS) for one of the scheduling DCI, the PDSCH, and the PUCCH is 60 kilohertz (kHz); and One of the following situations exists: The T switch is equal to 35 microseconds (μs) and the number N of symbols is four; The T switch is equal to 140 microseconds (μs) and the number N of symbols is 10; and The T switch is equal to 210 microseconds (μs) and the number of symbols N is 14.

7. The method according to claim 3, further comprising: wherein the number N of the one or more symbols is equal to the T proc,1 The d 1,1 The addition of the components occurs in response to a determination of one of the following: The PDSCH time domain resource allocation (TDRA) mapping type corresponds to the number N of the one or more symbols in the d 1,1 Use in portion; The duration of the PDSCH corresponds to the number N of the one or more symbols in the d 1,1 The use of the components; and The number M of symbols in the PDSCH that overlap with the scheduling DCI corresponds to the number N of the one or more symbols in the d 1,1 Servings as described.

8. A method of a Radio Access Network (RAN), the method comprising: Determine a time T corresponding to a physical uplink shared channel (PUSCH) preparation time T used at a user equipment (UE) proc,2 Uplink (UL) transmission (Tx) switching processing time T switch ; Based on the T switch , the number of one or more symbols N and the physical downlink shared channel (PDSCH) processing time T used at the UE proc,1 D 1,1 Add the weights together; transmitting, to the UE, scheduling downlink control information (DCI) for scheduling a PDSCH at the UE; transmitting the PDSCH as scheduled by the scheduling DCI to the UE; as well as Once at least T has elapsed after the end of the PDSCH proc,1 The method further comprises: receiving a physical uplink control channel (PUCCH) including a hybrid automatic repeat request acknowledgment (HARQ-ACK) signaling for the PDSCH from the UE for a duration of the PDSCH.

9. The method according to claim 8, wherein: A subcarrier spacing (SCS) for one of the scheduling DCI, the PDSCH, and the PUCCH is 15 kilohertz (kHz); The T switch is equal to 210 microseconds (μs); and The number N of symbols is one.

10. The method according to claim 8, wherein: a subcarrier spacing (SCS) for one of the scheduling DCI, the PDSCH, and the PUCCH is 30 kilohertz (kHz); and One of the following situations exists: The T switch is equal to 140 microseconds (μs) and the number N of symbols is two; and The T switch is equal to 210 microseconds (μs) and the number of symbols N is four.

11. The method according to claim 8, wherein: A subcarrier spacing (SCS) for one of the scheduling DCI, the PDSCH, and the PUCCH is 60 kilohertz (kHz); and One of the following situations exists: The T switch is equal to 35 microseconds (μs) and the number N of symbols is four; The T switch is equal to 140 microseconds (μs) and the number N of symbols is 10; and The T switch is equal to 210 microseconds (μs) and the number of symbols N is 14.

12. The method according to claim 8, further comprising: wherein the number N of the one or more symbols is equal to the T proc,1 The d 1,1 The addition of the components occurs in response to a determination of one of the following: The PDSCH time domain resource allocation (TDRA) mapping type corresponds to the number N of the one or more symbols in the d 1,1 Use in portion; The duration of the PDSCH corresponds to the number N of the one or more symbols in the d 1,1 The use described in the portion; as well as The number M of symbols in the PDSCH that overlap with the scheduling DCI corresponds to the number N of the one or more symbols in the d 1,1 Servings as described.

13. An apparatus comprising means for performing the method according to any one of claims 1 to 12. 14 . A computer-readable medium comprising instructions, which, when executed by one or more processors of an electronic device, cause the electronic device to perform the method according to claim 1 .

15. An apparatus comprising logic components, modules or circuits for performing the method according to any one of claims 1 to 12.

Images