WO2021228140A1 - Procédé de réalisation d'émission et de réception dans un fonctionnement de duplexage par répartition en fréquence semi-duplex et dispositif associé - Google Patents

Procédé de réalisation d'émission et de réception dans un fonctionnement de duplexage par répartition en fréquence semi-duplex et dispositif associé Download PDF

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WO2021228140A1
WO2021228140A1 PCT/CN2021/093344 CN2021093344W WO2021228140A1 WO 2021228140 A1 WO2021228140 A1 WO 2021228140A1 CN 2021093344 W CN2021093344 W CN 2021093344W WO 2021228140 A1 WO2021228140 A1 WO 2021228140A1
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symbols
scheduling
transmission
symbol
pusch
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PCT/CN2021/093344
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English (en)
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Wanchen LIN
Haihan Wang
Hengli CHIN
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FG Innovation Company Limited
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information

Definitions

  • the present disclosure is generally related to wireless communications, and more specifically, to a method of performing transmission and reception in a half-duplex frequency-division duplexing (HD-FDD) operation and a related device.
  • HD-FDD half-duplex frequency-division duplexing
  • next-generation wireless communication system such as the fifth-generation (5G) New Radio (NR)
  • 5G fifth-generation
  • NR New Radio
  • the 5G NR system is designed to provide flexibility and configurability for optimizing the network services and types, accommodating various use cases such as enhanced Mobile Broadband (eMBB) , massive Machine-Type Communication (mMTC) , and Ultra-Reliable and Low-Latency Communication (URLLC) .
  • eMBB enhanced Mobile Broadband
  • mMTC massive Machine-Type Communication
  • URLLC Ultra-Reliable and Low-Latency Communication
  • the present disclosure provides methods of performing transmission and reception in a half-duplex frequency-division duplexing (HD-FDD) operation and a related device.
  • HD-FDD half-duplex frequency-division duplexing
  • a method of performing transmission and reception for a user equipment (UE) in a HD-FDD operation includes receiving, from a base station (BS) , a dynamic scheduling in a first set of symbols and a configured scheduling in a second set of symbols, and determining to cancel the configured scheduling when a timeline requirement is met, wherein the first set of symbols partially or fully overlap the second set of symbols in a time domain.
  • BS base station
  • a UE for performing transmission and reception in a HD-FDD operation includes a processor configured to execute a computer-executable program, and a memory, coupled to the processor and configured to store the computer-executable program, wherein the computer-executable program instructs the processor to perform the method.
  • FIG. 1 is a schematic diagram illustrating a collision between a dynamically scheduled uplink (UL) transmission and a configured downlink (DL) reception, according to an implementation of the present disclosure.
  • FIG. 2 is a schematic diagram illustrating a collision between a dynamically scheduled DL reception and a configured UL transmission, according to an implementation of the present disclosure.
  • FIG. 3 is a schematic diagram illustrating a collision between a postponed UL transmission and a configured DL reception, according to an implementation of the present disclosure.
  • FIG. 4 is a schematic diagram illustrating a de-prioritized transmission after handling the collision, according to an implementation of the present disclosure.
  • FIG. 5 is a schematic diagram illustrating a de-prioritized transmission, according to an implementation of the present disclosure.
  • FIG. 6 is a schematic diagram illustrating a de-prioritized transmission postponed with k1 symbols starting from the end of a prioritized transmission, according to an implementation of the present disclosure.
  • FIG. 7 is a schematic diagram illustrating postpone a de-prioritized transmission postponed with k1 symbols starting from the start of the de-prioritized transmission, according to an implementation of the present disclosure.
  • FIG. 8 is a schematic diagram illustrating a same symbol allocation being applied for a de-prioritized transmission postponed with k2 slots, according to an implementation of the present disclosure.
  • FIG. 9 is a flowchart illustrating a method of performing transmission and reception in a HD-FDD operation, according to an implementation of the present disclosure.
  • FIG. 10 is a block diagram illustrating a node for wireless communication, according to an implementation of the present disclosure.
  • a and/or B may represent that: A exists alone, A and B exist at the same time, and B exists alone.
  • a and/or B and/or C may represent that at least one of A, B, and C exists, A and B exist at the same time, A and C exist at the same time, B and C exist at the same time, and A, B and C exist at the same time.
  • the character “/” used herein generally represents that the former and latter associated objects are in an “or” relationship.
  • any two or more of the following paragraphs, (sub) -bullets, points, actions, behaviors, terms, alternatives, examples, or claims in the present disclosure may be combined logically, reasonably, and properly to form a specific method.
  • Any sentence, paragraph, (sub) -bullet, point, action, behaviors, terms, or claims in the present disclosure may be implemented independently and separately to form a specific method.
  • Dependency e.g., “based on” , “more specifically” , “preferably” , “In one embodiment” , “In one implementation” , “In one alternative” , in the present disclosure may refer to just one possible example that would not restrict the specific method.
  • any disclosed network function (s) or algorithm (s) may be implemented by hardware, software, or a combination of software and hardware.
  • Disclosed functions may correspond to modules that may be software, hardware, firmware, or any combination thereof.
  • the software implementation may comprise computer-executable instructions stored on a computer-readable medium such as memory or other types of storage devices.
  • one or more microprocessors or general-purpose computers with communication processing capability may be programmed with corresponding executable instructions and carry out the disclosed network function (s) or algorithm (s) .
  • the microprocessors or general-purpose computers may be formed of Applications Specific Integrated Circuitry (ASIC) , programmable logic arrays, and/or using one or more Digital Signal Processors (DSPs) .
  • ASIC Application Specific Integrated Circuitry
  • DSPs Digital Signal Processors
  • the computer-readable medium may include but may not be limited to Random Access Memory (RAM) , Read-Only Memory (ROM) , Erasable Programmable Read-Only Memory (EPROM) , Electrically Erasable Programmable Read-Only Memory (EEPROM) , flash memory, Compact Disc (CD) Read-Only Memory (CD-ROM) , magnetic cassettes, magnetic tape, magnetic disk storage, or any other equivalent medium capable of storing computer-readable instructions.
  • RAM Random Access Memory
  • ROM Read-Only Memory
  • EPROM Erasable Programmable Read-Only Memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • flash memory Compact Disc (CD) Read-Only Memory (CD-ROM)
  • CD-ROM Compact Disc
  • magnetic cassettes magnetic tape
  • magnetic disk storage or any other equivalent medium capable of storing computer-readable instructions.
  • a radio communication network architecture may typically include at least one base station (BS) , at least one UE, and one or more optional network elements that provide connection with a network.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • NR New Radio
  • the UE may communicate with the network (e.g., a Core Network (CN) , an Evolved Packet Core (EPC) network, an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) , a Next-Generation Core (NGC) , a 5G Core (5GC) , or an internet) via a Radio Access Network (RAN) established by one or more BSs.
  • CN Core Network
  • EPC Evolved Packet Core
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • NGC Next-Generation Core
  • 5GC 5G Core
  • RAN Radio Access Network
  • a UE may include but is not limited to, a mobile station, a mobile terminal or device, a user communication radio terminal.
  • a UE may be a portable radio equipment, that includes, but is not limited to, a mobile phone, a tablet, a wearable device, a sensor, or a Personal Digital Assistant (PDA) with wireless communication capability.
  • PDA Personal Digital Assistant
  • the UE may be configured to receive and transmit signals over an air interface to one or more cells in a RAN.
  • a BS may include, but is not limited to, a node B (NB) as in the Universal Mobile Telecommunication System (UMTS) , an evolved node B (eNB) as in the LTE-A, a Radio Network Controller (RNC) as in the UMTS, a Base Station Controller (BSC) as in the Global System for Mobile communications (GSM) /GSM Enhanced Data rates for GSM Evolution (EDGE) RAN (GERAN) , a next-generation eNB (ng-eNB) as in an Evolved Universal Terrestrial Radio Access (E-UTRA) BS in connection with the 5GC, a next-generation Node B (gNB) as in the 5G-RAN (or in the 5G Access Network (5G-AN) ) , and any other apparatus capable of controlling radio communication and managing radio resources within a cell.
  • the BS may connect to serve the one or more UEs via a radio interface to the network.
  • a BS may be configured to provide communication services according to at least one of the following Radio Access Technologies (RATs) : Worldwide Interoperability for Microwave Access (WiMAX) , GSM (often referred to as 2G) , GERAN, General Packet Radio Service (GRPS) , UMTS (often referred to as 3G) according to basic Wideband-Code Division Multiple Access (W-CDMA) , High-Speed Packet Access (HSPA) , LTE, LTE-A, enhanced LTE (eLTE) , NR) (often referred to as 5G) , and/or LTE-A Pro.
  • RATs Radio Access Technologies
  • the BS may be operable to provide radio coverage to a specific geographical area using a plurality of cells forming the RAN.
  • the BS may support the operations of the cells.
  • Each cell may be operable to provide services to at least one UE within its radio coverage. More specifically, each cell (often referred to as a serving cell) may provide services to serve one or more UEs within its radio coverage, (e.g., each cell schedules the downlink (DL) and optionally UL resources to at least one UE within its radio coverage for DL and optionally UL packet transmissions) .
  • the BS may communicate with one or more UEs in the radio communication system via the plurality of cells.
  • a cell may allocate Sidelink (SL) resources for supporting Proximity Service (ProSe) , LTE SL services, and LTE/NR Vehicle-to-Everything (V2X) services. Each cell may have overlapped coverage areas with other cells.
  • SL Sidelink
  • Proximity Service Proximity Service
  • LTE SL services LTE/NR Vehicle-to-Everything
  • V2X Vehicle-to-Everything
  • MCG Master Cell Group
  • SCG Secondary Cell Group
  • SpCell Special Cell
  • a Primary Cell may refer to the SpCell of an MCG.
  • a Primary SCG Cell (PSCell) may refer to the SpCell of an SCG.
  • MCG may refer to a group of serving cells associated with the Master Node (MN) , comprising the SpCell and optionally one or more Secondary Cells (SCells) .
  • SCG may refer to a group of serving cells associated with the Secondary Node (SN) , comprising of the SpCell and optionally one or more SCells.
  • the frame structure for NR is to support flexible configurations for accommodating various next-generation (e.g., 5G) communication requirements, such as eMBB, mMTC, and URLLC, while fulfilling high reliability, high data rate, and low latency requirements.
  • 5G next-generation
  • the orthogonal frequency-division multiplexing (OFDM) technology may serve as a baseline for an NR waveform.
  • the scalable OFDM numerology such as the adaptive sub-carrier spacing, the channel bandwidth, and the cyclic prefix (CP) , may also be used.
  • two coding schemes are applied for NR: (1) low-density parity-check (LDPC) code and (2) polar code.
  • the coding scheme adaption may be configured based on the channel conditions and/or the service applications.
  • DL transmission data in a transmission time interval of a single NR frame, at least DL transmission data, a guard period, and UL transmission data should be included.
  • the respective portions of the DL transmission data, the guard period, and the UL transmission data should also be configurable, for example, based on the network dynamics of NR.
  • An SL resource may also be provided via an NR frame to support ProSe services or V2X services.
  • the switching time may be configured in symbol level for fast switching between reception (Rx) and transmission (Tx) .
  • the switching time may specify the time duration in a unit of symbols.
  • the predefined table may be shown in Table 1.
  • N Tx-Rx and N Tx-Rx may not necessarily refer to the same value. Since scheduling flexibility is high in NR framework, a collision between DL and UL scheduling may occur during the HD-FDD operation. Thus, several collision scenarios are disclosed.
  • Table 1 a predefined table for transition time
  • a dynamically scheduled UL transmission may refer to at least one of a physical uplink shared channel (PUSCH) , a Sounding Reference Signal (SRS) , a physical random access channel (PRACH) triggered by a physical downlink control channel (PDCCH) order, and a physical uplink control channel (PUCCH) .
  • PUSCH physical uplink shared channel
  • SRS Sounding Reference Signal
  • PRACH physical random access channel
  • PDCCH physical downlink control channel
  • PUCCH physical uplink control channel
  • a dynamically scheduled DL reception may refer to at least one of a physical downlink shared channel (PDSCH) and a channel state information-reference signal (CSI-RS) .
  • PDSCH physical downlink shared channel
  • CSI-RS channel state information-reference signal
  • a configured UL transmission may refer to at least one of a configured grant PUSCH (CG PUSCH) , a configured SRS, a PRACH, and a PUCCH.
  • CG PUSCH configured grant PUSCH
  • SRS configured SRS
  • PRACH Physical Uplink Control Channel
  • PUCCH Physical Uplink Control Channel
  • a configured DL reception may refer to at least one of a Semi-Persistent Scheduling PDSCH (SPS PDSCH) , a PDCCH, a configured Synchronization Signal (SS) /physical broadcast channel (PBCH) Block (SSB) , and a configured CSI-RS.
  • SPS PDSCH Semi-Persistent Scheduling PDSCH
  • PDCCH Physical Downlink Control Channel
  • SSB Physical broadcast channel Block
  • CSI-RS configured CSI-RS
  • An UL transmission may be scheduled on symbols indicated for a DL reception.
  • the switching time or the dynamically scheduled UL transmission may partially or fully overlap with a DL reception without a corresponding physical downlink shared channel (PDSCH) in a time domain.
  • PDSCH physical downlink shared channel
  • the UL transmission may overlap a configured DL reception (e.g., Semi-Persistent Scheduling (SPS) PDSCH) as illustrated in the FIG. 1.
  • SPS Semi-Persistent Scheduling
  • the UL transmission may overlap a configured DL reception.
  • the position of the switching time may not be specified.
  • FIG. 1 is a schematic diagram illustrating a collision between an UL transmission and a configured DL reception, according to an implementation of the present disclosure.
  • a UE may switch from DL reception to the UL transmission during the switching time in symbol #7-#9.
  • the PUSCH in symbol #10-#13 scheduled by the PDCCH in symbol #0-#1 overlaps the SPS PDSCH in symbol #7-#11.
  • a DL reception may be scheduled on symbols indicated for a UL transmission.
  • a switching time is semi-statically configured.
  • a set of symbols may be configured to UL, DL, or/and switching time in a slot. If a DL reception scheduled by a DL assignment is later than or overlaps the switching point due to long processing time, the DL reception may not be received successfully since the DL reception may not be received in the set of symbols indicated as a switching time or as an UL transmission.
  • a DL reception scheduled by a DL assignment may partially or fully overlap with a PUSCH transmission without a corresponding PDCCH as illustrated in FIG. 2.
  • FIG. 2 is a schematic diagram illustrating a collision between a DL reception and a configured UL transmission, according to an implementation of the present disclosure.
  • a UE may switch from the DL reception to the UL transmission during the switching time in symbol #7-#9.
  • the PDSCH in symbol #7-#11 scheduled by the PDCCH in symbol #0-#1 may overlap the switching time in symbol #7-#9 and CG PUSCH in symbol #10-#13.
  • a postponed DL reception/UL transmission may be scheduled on the symbols for a configured UL transmission /DL reception.
  • a switching time is dynamically scheduled. If a DL reception is prioritized over an UL transmission and the UL transmission is postponed few symbols, a collision between the postponed UL transmission and a configured DL reception may occur again.
  • FIG. 3 is a schematic diagram illustrating a collision between a postponed UL transmission and a DL reception, according to an implementation of the present disclosure. As illustrated in FIG. 3, a UE may switch from DL reception to the UL transmission during the switching time in symbol #7-#8.
  • the PDSCH has a higher priority than the CG PUSCH, and thus the UE may postpone the CG PUSCH with ‘x’ symbols. That is, the UE does not perform the switching operation in symbol #7-#8 of slot #0 for the CG PUSCH in symbol #9-#12 of slot #0, but performs the switching operation in symbol #13 of slot 0 and symbol #0 of slot #1 for the CG PUSCH in symbol #1-4 of slot #1.
  • the postponed CG PUSCH in symbol #1-4 of slot #1 may collide with the DL assignment (e.g., PDCCH in symbol #0-1 of slot #1) .
  • a UE may not be expected to decode a PDCCH scheduling a transmission or a reception (e.g., dynamic scheduling) which overlaps symbols for a configured transmission/reception (e.g., configured scheduling) with the opposite transmission direction or with the corresponding switching time for changing a transmission direction (e.g., from receiver to transmitter or from transmitter to receiver) .
  • a timeline condition that the PDCCH ends less than x symbols or T’ duration before the start of the configured scheduling or a dynamic scheduling may be defined.
  • the UE may not expect a transmission that is in response to a DCI format detection to overlap any other configured scheduling or guard period that does not satisfy the abovementioned timeline condition.
  • the UE may only expect to receive or transmit the dynamic scheduling when the timeline condition is satisfied. In other words, the configured scheduling may be cancelled accordingly. More specially, if a DCI format, which schedules a dynamic scheduling, is received on a set of symbols that would configure a configured scheduling, the UE may expect that the duration from the end of the reception of the last symbol of the PDCCH carrying the DCI to the starting symbol of the configured scheduling is equal to or larger than a defined value x symbols or T’ duration.
  • the value x or T’ duration may correspond to a type of HD-FDD operation that is reported by a UE capability. More specifically, if the type A HD-FDD is applied, which has more stringent latency requirement than that of type B HD-FDD, the value x may be determined by the minimum value between the reported capabilities.
  • a timing advance may be included in the value x.
  • the x symbols to the configured scheduling may include the timing adjustment for UL transmission timing of the UE.
  • an offset for the effect of timing advance may have an impact on the value x, and the offset may be optionally included in the defined timeline requirement.
  • the value x may be reported by the UE capability, and/or may correspond to different sub-carrier spacing (SCS) and/or the UE processing time (e.g., PDSCH processing time T proc, 1 or PUSCH preparation time T proc, 2 ) .
  • the UE may report whether to define an extra value for the existing processing time.
  • the UE may report the exact value x for the corresponding SCS.
  • the PDSCH processing time T proc, 1 may be calculated according to the following equation:
  • T proc, 1 (N 1 +d 1, 1 +d 2 ) (2048+144) ⁇ 2 - ⁇ ⁇ T C +T ext after the end of the last symbol of the PDSCH carrying the TB being acknowledged, then the UE shall provide a valid HARQ-ACK message.
  • N 1 is based on ⁇ of Table 5.3-1 and Table 5.3-2 of the 3GPP TS 38.214 for UE processing capability 1 and 2 respectively, where ⁇ corresponds to the one of ( ⁇ PDCCH, ⁇ PDSCH, ⁇ UL) resulting with the largest T proc, 1 , the ⁇ PDCCH corresponds to the subcarrier spacing of the PDCCH scheduling the PDSCH, the ⁇ PDSCH corresponds to the subcarrier spacing of the scheduled PDSCH, and ⁇ UL corresponds to the subcarrier spacing of the uplink channel with which the HARQ-ACK is to be transmitted, and ⁇ is defined in clause 4.1 of the 3GPP TS 38.211.
  • the first uplink symbol which carries the HARQ-ACK information further includes the effect of timing difference between the component carriers as given in the 3GPP TS 38.133.
  • the PUSCH preparation time T proc, 2 may be calculated according to the following equation:
  • T proc, 2 max ( (N 2 +d 2, 1 +d 2 ) (2048+144) ⁇ 2 - ⁇ ⁇ T C +T ext +T switch , d 2, 2 ) after the end of the reception of the last symbol of the PDCCH carrying the DCI scheduling the PUSCH, then the UE shall transmit the transport block.
  • N 2 is based on ⁇ of Table 6.4-1 and Table 6.4-2 of the 3GPP TS 38.214 for UE processing capability 1 and 2 respectively, where ⁇ corresponds to the one of ( ⁇ DL, ⁇ UL) resulting with the largest T proc, 2 , where the ⁇ DL corresponds to the subcarrier spacing of the downlink with which the PDCCH carrying the DCI scheduling the PUSCH was transmitted and ⁇ UL corresponds to the subcarrier spacing of the uplink channel with which the PUSCH is to be transmitted, and ⁇ is defined in clause 4.1 of the 3GPP TS 38.211.
  • the first uplink symbol in the PUSCH allocation further includes the effect of timing difference between component carriers as given in the 3GPP TS 38.133.
  • the value x may be configured by a higher layer signal.
  • the value x may be configured by a higher layer signal and indicated by a DCI field.
  • the value x may be a default value and UE/NW may determine the default value being applied if there is no signal from a higher layer or a UE capability. It is noted that a default table may be specified that each SCS configuration has a corresponding default value.
  • the value x may include a bandwidth part (BWP) switching time.
  • BWP bandwidth part
  • the value x may be calculated according to a predefined equation including the BWP switching time.
  • the BWP switching time may be different based on the type of HD-FDD or the UE capability.
  • the value x or T’ or processing time may include at least one of the following components:
  • the value x may be defined according to the following alternatives:
  • the value T’ may be defined according to the following alternatives:
  • T’ T proc, 2 + switching time
  • T’ max (T proc, 2 , switching time)
  • N 2 may be replaced by N 2 /2 or the number of symbols required for PDCCH decoding.
  • the PDSCH processing time or the PUSCH preparation time for the dynamic scheduling that overlaps the configured scheduling may be extended by y symbols since the configured scheduling may need more time to handle the dropping and processing operations simultaneously. More specifically, when the dynamic scheduling overlaps the configured scheduling in HD-FDD operation, the timeline may be extended by a value y. In one example, dropping may refer to cancellation.
  • the value y may be the time duration corresponding to the number reported by the UE capability.
  • the value y may be a definite value (e.g., 0, 1, 2) and corresponds to different sub-carrier spacing.
  • the value y may be configured by a higher layer signal.
  • the value y may be configured by a higher layer signal and indicated by a DCI field.
  • the first UL symbol of the PUCCH that carries the HARQ-ACK information may start no earlier than a symbol starting after T’ proc, 1 . After the end of the last symbol of the PDSCH carrying the TB is acknowledged, the UE provides a valid HARQ-ACK message.
  • the UE may report the UE capability for the support of transmitting the PUCCH and switching between Rx/Tx at the same time.
  • the UE may report the capability for the support of processing the PDSCH and switching between Rx/Tx at the same time.
  • PDSCH processing time may be the maximum value between T proc, 1 and switching time.
  • the first UL symbol in the PUSCH allocation for a TB may start no earlier than a symbol starting after T’ proc, 2 .
  • the UE transmits the TB. More specifically, a new timeline or an extended timeline T’ proc, 2 may be introduced for HD-FDD operation.
  • the UE may report the UE capability for the support of transmitting the PUSCH and switching between Rx/Tx at the same time.
  • the PUSCH processing time may be the maximum value between T proc, 2 and switching time.
  • a reference UL/DL configuration for the HD-FDD operation may be configured.
  • a reference UL/DL configuration may be configured by a RRC signal.
  • using the TDD-UL-DL-ConfigDedicated to configure the reference UL/DL configuration for HD-FDD may be a starting point.
  • the symbols for UL/DL switching may be a fixed position within a slot when the configuration is received.
  • some flexible symbols in the current TDD reference configuration may or may not be regarded as a guard period (switching time) .
  • the flexible symbols may always be reserved as configured scheduling (e.g., CG PUSCH, SPS PDSCH) .
  • the flexible symbols may be regarded as invalid symbols. More specifically, the flexible symbols may not be used to dynamically schedule or configure a semi-static schedule. Also, the flexible symbols may not be regarded as a guard period (switching time) .
  • the ‘F’ symbols in the TDD reference configuration may be used to reserve some symbols for timing alignment due to different SCS configurations between Rx/Tx.
  • the flexible symbols may be used as UL/DL symbols when the HD-FDD operation is applied. More specifically, a gNB may schedule UL transmission/DL reception on flexible symbols, and the guard period (switching time) may be included in the duration for the UL transmission/DL reception. On the other hand, the UE may regard the flexible symbols as available symbols for data transmission/reception.
  • flexible symbols as UL/DL symbols may be indicated by a new DCI format or a present DCI format. More specifically, an indication may indicate which flexible symbol is indicated to a specific transmission. The indication may apply to all flexible symbols within a specified duration (e.g., during the periodicity of a search space where the indication in or indicated by a new RRC parameter) . Alternatively, the indication may be indicated per symbol, per slot, or per specified symbols implicitly or explicitly. More specifically, an implicit method means that the applied duration may follow the periodicity of the DCI, and the DCI may further indicate the specific transmission to determine the direction of the indicated symbols. Alternatively, an explicit method may use a bitmap in the DCI to indicate the direction of the indicated symbols. For example, bit 0 may refer to uplink and bit 1 may refer to downlink, and vice versa.
  • flexible symbols as UL/DL symbols may be configured by a RRC signal (e.g. a parameter or a configuration) .
  • the default setting may be dynamically changed by a DCI or activated/deactivated by a MAC CE.
  • RRC may configure a set of flexible symbols for an UL transmission as a default setting, however, the DCI may reverse it into a downlink reception, so the upcoming flexible symbols in a specific duration may be regarded as downlink.
  • the UE may determine the reference UL/DL configuration by RRC configured DL and UL transmissions. More specifically, when a RRC signal configures a configured UL transmission (e.g., CG PUSCH, PUCCH, SRS or PRACH) on a number of symbols, those symbols may be semi-statically regarded as UL symbol ‘U’ . Similarly, when a RRC configures a configured downlink reception (e.g., PDCCH, SPS PDSCH, or CSI-RS)
  • a configured UL transmission e.g., CG PUSCH, PUCCH, SRS or PRACH
  • a configured downlink reception e.g., PDCCH, SPS PDSCH, or CSI-RS
  • the UE may determine that a symbol is configured as a DL symbol if PDCCH, SPS PDSCH or CSI-RS is configured in the symbol.
  • the UE may determine that a symbol is configured as an UL symbol if SRS, PUCCH, CG PUSCH, or PRACH is configured in the symbol.
  • the UE may determine that a symbol is configured as a flexible symbol if the configured transmission and reception are configured in the same sets of symbols.
  • the configured transmission e.g., SRS, PUCCH, CG PUSCH, or PRACH
  • the configured reception e.g., PDCCH, PDSCH, or CSI-RS
  • the sets of symbols may be flexible symbols in the configuration.
  • the UE may determine that a flexible symbol is to be used for DL reception or UL transmission according to an indication carried in a DCI.
  • the UE may determine that a symbol is configured as a UL symbol if the symbol is within a number of symbols preceding a configured SRS, PUCCH, PUSCH, or PRACH.
  • the number of symbols in the above examples may be a value dependent on the SCS of the DL and UL channels.
  • the number of symbols in the above examples may be a value dependent on the frequency range of the DL and UL channels.
  • the number of symbols in the above examples may be a value based on the timing advance.
  • the number of symbols in the above examples may be a configured value in the configuration for HD-FDD operation.
  • the UE may determine that a symbol is configured as a flexible symbol if the symbol is not determined as a DL symbol or an UL symbol.
  • the UE may not expect to detect a DCI format scheduling a DL reception on the set of symbols determined as UL symbols in the reference UL/DL configuration.
  • the UE may determine that a DL symbol in a reference UL/DL configuration to be an UL symbol if the UE detects a DCI format scheduling a UL transmission on the symbol.
  • the DCI may indicate an opposite direction compared to the configured direction.
  • the UE may determine that a DL symbol in a reference UL/DL configuration to be an UL symbol if the UE detects a DCI format scheduling a UL transmission that is started within a number of symbols after the end of the DL symbol. In other words, even though the symbol is configured to a DL, the UE may use it as an UL symbol due to an upcoming UL transmission.
  • some symbols indicated for measurement are regarded as DL symbols, and the UE may not expect to be scheduled for UL transmission on these symbols.
  • the symbols for measurement may have the highest priority.
  • symbols containing SSBs indicated in ssb-PositionsInBurst are regarded as DL symbols.
  • the UE may not be expected to be scheduled or triggered a PUSCH, a PUCCH, PRACH, or SRS transmission that overlaps the DL symbols.
  • the UE may not transmit configured PUSCH or PUCCH if the configured PUSCH or PUCCH overlaps the DL symbols. It is noted that determination of overlapping condition may take the switching time and timing advance into account. In other words, switching time and timing advance may be included in the symbols for UL transmission.
  • At least one symbol configured for radio link monitoring reference signals is regarded as a DL symbol.
  • the UE may not expect to be scheduled or triggered a PUSCH, a PUCCH, PRACH, or SRS transmission that overlaps the DL symbols.
  • the UE may not transmit the configured PUSCH or PUCCH if the configured PUSCH or PUCCH overlaps the DL symbols. It is noted that determination of overlapping condition may take the switching time and timing advance into account.
  • the previously mentioned UE’s behavior e.g., the UE may not expect to be scheduled or triggered a PUSCH, a PUCCH, PRACH, or SRS transmission that overlaps the DL symbols, or may not transmit the configured PUSCH or PUCCH if the configured PUSCH or PUCCH overlaps the DL symbols
  • the UE may not be required to perform RLM measurement on the symbols if the symbols overlap an UL transmission.
  • At least one symbol configured with beam failure detection reference signals is regarded as a DL symbol.
  • the UE may not expect to be scheduled or triggered a PUSCH, a PUCCH, PRACH, or SRS transmission that overlaps the DL symbols.
  • the UE may not transmit configured PUSCH or PUCCH if the configured PUSCH or PUCCH overlaps the DL symbols. It is noted that determination of overlapping condition may take the switching time and timing advance into account.
  • the previously mentioned UE’s behavior e.g., the UE may not expect to be scheduled or triggered a PUSCH, a PUCCH, PRACH, or SRS transmission that overlaps the DL symbols, or may not transmit the configured PUSCH or PUCCH if the configured PUSCH or PUCCH overlaps the DL symbols
  • the UE may not be required to perform BFD measurement on the symbols if the symbols overlap an UL transmission.
  • At least one symbol configured for link recovery detection reference signals is regarded as a DL symbol.
  • the UE may not be expected to be scheduled or triggered a PUSCH, a PUCCH, PRACH, or SRS transmission that overlaps the DL symbols.
  • the UE may not transmit configured PUSCH or PUCCH if the configured PUSCH or PUCCH overlaps the DL symbols. It is noted that determination of overlapping condition may take the switching time and timing advance into account.
  • the previously mentioned UE’s behavior e.g., the UE may not expect to be scheduled or triggered a PUSCH, a PUCCH, PRACH, or SRS transmission that overlaps the DL symbols, or may not transmit the configured PUSCH or PUCCH if the configured PUSCH or PUCCH overlaps the DL symbols
  • the UE is not required to perform LRD measurement on the symbols if the symbols overlap an UL transmission.
  • At least one symbol containing the SSBs indicated in SSB-ToMeasure in Measurement Time Configuration (SMTC) window is regarded as a DL symbol.
  • the UE may not expect to be scheduled or triggered a PUSCH, a PUCCH, PRACH, or SRS transmission that overlaps the DL symbols.
  • the UE may not transmit configured PUSCH or PUCCH if the configured PUSCH or PUCCH overlaps the DL symbols. It is noted that determination of overlapping condition may take the switching time and timing advance into account.
  • the previously mentioned UE’s behavior e.g., the UE may not expect to be scheduled or triggered a PUSCH, a PUCCH, PRACH, or SRS transmission that overlaps the DL symbols, or may not transmit the configured PUSCH or PUCCH if the configured PUSCH or PUCCH overlaps the DL symbols
  • the previously mentioned UE’s behavior e.g., the UE may not expect to be scheduled or triggered a PUSCH, a PUCCH, PRACH, or SRS transmission that overlaps the DL symbols, or may not transmit the configured PUSCH or PUCCH if the configured PUSCH or PUCCH overlaps the DL symbols
  • the previously mentioned UE’s behavior e.g., the UE may not expect to be scheduled or triggered a PUSCH, a PUCCH, PRACH, or SRS transmission that overlaps the DL symbols, or may not transmit the configured PUSCH or PUCCH if the configured PUSCH or PUCCH overlaps the DL symbols
  • the UE may not be required to perform RRM measurement on the symbols if the symbols overlap an UL transmission.
  • an invalid symbol pattern may be applied to the HD-FDD operation.
  • a RRC signal may configure an invalid symbol pattern to DL/UL/flexible symbols to indicate which symbols may not be scheduled a transmission/reception.
  • an invalid symbol pattern may be configured by a RRC signal.
  • the invalid pattern may be separated into different types, and each type may invalidate different symbols.
  • the first type of invalid pattern may configure some specific symbols to invalid symbols (e.g., all flexible symbols) .
  • the second type of invalid pattern may configure the selected symbols to invalid symbols (e.g., first x symbols, last x symbols) .
  • the transmission scheduled on the invalid symbols may be regarded as an invalid transmission.
  • all indicated symbols may be regarded as the guard period (e.g., switching time) .
  • the guard period e.g., switching time
  • the indicated symbols may be regarded as neither the switching time nor UL transmission/DL reception.
  • the indicated symbols may be regarded as UL/DL only instead of switching time.
  • an invalid symbol pattern may be indicated by a new DCI or a present DCI (e.g., DCI 1-0/DCI 1-1/DCI 1-2/DCI 0-0/DCI 0-1/DCI 0-2) with CRC scrambled by a present RNTI (C-RNTI, CS-RNTI, MCS-C-RNTI) or a new-RNTI.
  • a present DCI e.g., DCI 1-0/DCI 1-1/DCI 1-2/DCI 0-0/DCI 0-1/DCI 0-2
  • CRC present RNTI
  • CS-RNTI CS-RNTI
  • MCS-C-RNTI MCS-C-RNTI
  • the indication may provide the granularity for the set of invalid symbols. More specifically, the periodicity of the indication may imply the granularity of the invalid symbols.
  • the bitmap in the field may indicate which symbol or which slot applies the invalid pattern, so the granularity is in symbol-level or slot-level, respectively.
  • the granularity may be indicated by a separate field in the DCI, and the field may indicate an index to a set of values configured by a RRC signal.
  • the indication may be an one-to-one mapping for the invalid symbols within a slot or within a number of consecutive slots.
  • bit ‘1’ may refer to a valid or invalid symbol in a slot and bit ‘0’ may refer to a valid or invalid symbol in a slot.
  • the DCI with CRC scrambled by the new-RNTI may be configured in a Common Search Space (CSS) set or a UE-specific Search Space (USS) set.
  • CSS Common Search Space
  • USS UE-specific Search Space
  • Method 3 a dropping rule and/or a re-scheduling rule for the HD-FDD operation may be defined.
  • a PDSCH may be scheduled on the symbols that are originally reserved for a periodic UL transmission or a configured grant PUSCH
  • a priority between different transmissions may be indicated explicitly or implicitly. By indicating the priority, the dropping rule and re-scheduling rule may be provided accordingly.
  • the dynamically scheduled transmission/reception may be prioritized when the timeline requirement is met.
  • a transmission/reception before the switching point may have a higher priority. For example, if a PDCCH has been received (namely the DL reception is operating at first) , a PDSCH scheduled by the PDCCH may be prioritized when a collision happens between the PDSCH and a configured PUSCH.
  • a configured scheduling (e.g., a configured PUSCH) may always be prioritized when a collision happens.
  • a dynamic scheduling may always be prioritized when a collision happens.
  • prioritization may mean that transmit or receive the prioritized transmission/reception and drop/cancel the deprioritized transmission/reception.
  • a specific transmission may always be prioritized when a collision happens. More specifically, a PDCCH that schedules a random access response (RAR) or MsgB (e.g., CORESET for beam failure recovery (BFR) ) may always be prioritized. For example, if the Msg1 or MsgA has been transmitted, the UE may always prioritize the PDCCH for the RAR or MsgB reception when a collision happens. Subsequently, for the 4-step RA procedure, an UL grant indicated in the RAR may always be prioritized when a collision happens. Subsequently, for the 4-step RA procedure, a DCI used for scheduling the Msg4 may always be prioritized.
  • RAR random access response
  • MsgB e.g., CORESET for beam failure recovery
  • a UE may not be expected to be scheduled a PUSCH and not be required to transmit a CG PUSCH when the CG PUSCH partially or fully overlaps in time with a PDCCH that schedules the RAR or MsgB.
  • the switching time may have the highest priority.
  • a priority may be provided by a priority indication.
  • the priority indication may be classified according to the direction of transmission (e.g., DL/UL/switching time) .
  • DL may be indicated by the priority index 1
  • UL may be indicated by the priority index 1
  • S (namely switching time) may be indicated by the priority index 2.
  • Different indexes may represent different levels of priorities.
  • priority level e.g., a high priority or low priority
  • a UE may consider the configured priority level when the UE performs a prioritization.
  • the priority indication may be provided by a RRC configuration, a DCI or a RNTI.
  • a priority indication may be classified according to the types of transmission. For example, the priority of a PUCCH with HARQ-ACK information may be higher than that of a unicast PDSCH. In another example, the priority of a unicast PDSCH may be higher than that of a configured PUSCH. In other examples, the priority of a unicast PUSCH may be higher than a SPS PDSCH. In other words, a dynamic scheduling may have a higher priority.
  • a priority indication may be determined according to the types of a RNTI. For example, the priority of a transmission with a CRC scrambled by the C-RNTI may be higher than that of a transmission with a CRC scrambled by the CS-RNTI. In another example, the priority of a transmission with a CRC scrambled by the MCS-C-RNTI may be higher than that of a transmission with a CRC scrambled by the C-RNTI. Besides, the possibility of the transmission with a CRC scrambled by a new RNTI with the highest or lowest priority may not be excluded.
  • a UE may prioritize a specific BWP (either UL or DL) when a collision happens.
  • the specific BWP may be indicated by the network via a RRC signal (e.g., configured in BWP-Uplink or BWP-Downlink) or a DCI.
  • the UE may consider data availability when the UE performs a prioritization. For example, if a UL resource collides with a DL resource in a time domain, the UE may prioritize the DL if there is no data available for transmission at the UL resource.
  • the priority may be determined according to a MCS table associated with a BWP. For example, if a UE in a current active UL BWP is qam256, and the UE in a current active DL BWP is qam64LowSE, the UE may prioritize the DL over the UL when a collision occurs.
  • a UE may prioritize the UL when a collision happens.
  • LCH Logical Channel
  • CCCH Common Control Channel
  • MAC CE MAC Control Channel
  • the UE may prioritize the UL when a collision happens.
  • the network may indicate the UE via a DCI that the corresponding data scheduled by the DCI is always prioritized when a collision happens.
  • a transmission scheduled by a specific search space may always be prioritized.
  • the priority may be determined according to the type of the search space or the search space index where the DCI schedules the transmission.
  • a UE may follow a rule to prioritize a transmission with a higher priority, drop or cancel a transmission with a lower priority, and not re-transmit the dropped transmission.
  • FIG. 4 is a schematic diagram illustrating a de-prioritized transmission, according to an implementation of the present disclosure.
  • the PDSCH in symbol #7-11 has a higher priority than the CG PUSCH in symbol #10-13 when the collision happens.
  • the UE may prioritize the PDSCH and transmits the PDSCH after checking the timeline in Method 1. In other words, the UE may not perform the switching operation (e.g., during symbol #7-9) and therefore drops or cancels the de-prioritized CG PUSCH.
  • the UE may determine whether to re-transmit the dropped transmission according to the UE capability. More specifically, if the UE capability allows to re-transmit the TB of dropped transmission, the retransmission may be expected, and vice versa.
  • a UE may follow a rule to prioritize a transmission with a higher priority, drop a transmission with a lower priority and switch to the opposite direction of the prioritized transmission (e.g., switch to a BWP where the transmission is de-prioritized) after transmitting the prioritized transmission.
  • FIG. 5 is a schematic diagram illustrating a de-prioritized transmission, according to an implementation of the present disclosure.
  • the PDSCH in symbol #7-11 of slot #0 has a higher priority than the CG PUSCH in symbol #10-13 when the collision happens.
  • the UE prioritizes the PDSCH and transmits the PDSCH. In other words, the UE does not perform switching operation and therefore drops the de-prioritized CG PUSCH.
  • the UE performs the switching operation to switch from the DL direction to the UL direction during the switching time from symbol #12 of slot 0 to symbol #0 of slot #1, so as to transmit the de-prioritized CG PUSCH in symbol #1-4 of slot #1.
  • the duration between the re-transmission and switching point may be zero symbol.
  • the duration between the re-transmission and switching point may be k symbol.
  • the value k may be derived based on the UE capability.
  • the duration between the re-transmission and switching point may need to meet the pre-defined timeline requirements in Method 1.
  • a UE may follow a rule to postpone a transmission with a lower priority (e.g., the de-prioritized transmission) .
  • a UE may expect to be re-scheduled/re-transmit the de-prioritized transmission within a time slot window after finishing the prioritized transmission.
  • FIG. 6 is a schematic diagram illustrating a de-prioritized transmission postponed with k symbols starting from the end of a prioritized transmission, according to an implementation of the present disclosure.
  • the PDSCH in symbol #7-11 of slot #0 has a higher priority than the CG PUSCH in symbol #10-13 of slot #0 when the collision happens.
  • the UE prioritizes the PDSCH and transmits the PDSCH.
  • the UE postpones the de-prioritized CG PUSCH with k1 symbols that start from the end of the prioritized PDSCH.
  • the UE performs the switching operation to switch from the DL direction to the UL direction during the switching time in symbol #3-5 of slot #1, so as to transmit the postponed CG PUSCH in symbol #6-9 of slot #1.
  • the postponed transmission may be retransmitted after k1 symbols or k2 slots starting from the end of the transmission with a higher priority.
  • the postponed transmission (e.g., the de-prioritized transmission) may be re-transmitted after k1 symbols or k2 slots starting from the beginning of the transmission with a higher priority.
  • the retransmission may be postponed k1 symbols or k2 slots from the end of the prioritized transmission if the duration of prioritized transmission is larger than a pre-defined value.
  • the postponed transmission may be re-transmitted after k1 symbols or k2 slots starting from the end (or the start) of the transmission with a lower priority.
  • FIG. 7 is a schematic diagram illustrating postpone a de-prioritized transmission postponed with k symbols starting from the start of the de-prioritized transmission, according to an implementation of the present disclosure.
  • the PDSCH in symbol #7-11 of slot #0 has a higher priority than the CG PUSCH in symbol #10-13 of slot #0 when the collision happens.
  • the UE prioritizes the PDSCH and transmits the PDSCH.
  • the UE postpones the de-prioritized CG PUSCH with k1 symbols that start from the start of the de-prioritized PDSCH.
  • the UE performs the switching operation to switch from the DL direction to the UL direction during the switching time in symbol #3-5 of slot #1, so as to transmit the postponed CG PUSCH in symbol #6-9 of slot #1.
  • the postponed transmission may be re-transmitted after k1 symbols or k2 slots starting from the beginning of the transmission with a lower priority.
  • the value k1 and value k2 may be reported by the UE capability.
  • the value k1 and value k2 may be simultaneously configured by a RRC signal and which value UE applied may be determined by the dynamic indication (e.g., DCI) .
  • the dynamic indication e.g., DCI
  • the postponed duration in symbol level or slot level may be configured or reported.
  • FIG. 8 is a schematic diagram illustrating the same symbol allocation being applied for a de-prioritized transmission postponed with k2 slots, according to an implementation of the present disclosure.
  • the PDSCH in symbol #7-11 of slot #0 has a higher priority than the PUSCH in symbol #10-13 of slot #0 when the collision happens.
  • the UE prioritizes the PDSCH and transmits the PDSCH.
  • the UE postpones the de-prioritized PUSCH with k2 slots, and thus transmits the postponed PUSCH in symbol #10-13 of slot #y (e.g., slot #0 plus k2 slots) . That is, the UE performs the retransmission for the de-prioritized PUSCH in slot #y with the same symbol allocation as in slot #0.
  • slot #y e.g., slot #0 plus k2 slots
  • different symbol allocation may be applied after k2 slots.
  • the starting symbol of the transmission may be configured or indicated.
  • the UE may not expect that a re-transmitted transmission collides with a periodic transmission.
  • the PDCCH in a search space has a periodicity of 7 symbols and the duration of the search space is 5 slots, the re-transmission may not be transmitted within these 5 slots. Therefore, if the retransmission would overlap the configured transmission/reception, the postponed transmission may be dropped.
  • the UE may report the capability for supporting HD-FDD operation.
  • the processing time for decoding PDCCH may be reported by the UE capability.
  • the supported value may correspond to the supported service types (e.g., URLLC, eMBB) , and the processing time may be different according to the supported service type (s) .
  • the supported value may be different depending on the supported operation (e.g., the value for full-duplex operation may be different from the value for the HD-FDD operation) .
  • the UE capability may include the supported switching time.
  • FIG. 9 is a flowchart illustrating a method 900 for a UE to perform transmission and reception in a HD-FDD operation.
  • the UE receives, from a BS, a dynamic scheduling (e.g., a PUSCH, a PUCCH, a PRACH, a SRS or a PDSCH) in a first set of symbols and a configured scheduling (e.g., a CG PUSCH, a PUCCH, a SRS, a PDCCH, a CSI-RS, a SSB, or a SPS PDSCH) in a second set of symbols, where the first set of symbols partially or fully overlap the second set of symbols in a time domain.
  • the UE determines to cancel (e.g., not to transmit or receive) the configured scheduling when a timeline requirement is met.
  • the timeline requirement includes at least one of a switching time for the UE to switch between the dynamic scheduling and the configured scheduling, and a duration for the dynamic scheduling ending before the start of the configured scheduling (as mentioned in Method 1) .
  • a transmission direction of the dynamic scheduling is different from or opposite to a transmission direction of the configured scheduling.
  • the first set of symbols and the second set of symbols are indicated by the previously mentioned reference UL and DL configuration (e.g., as previously mentioned reference UL/DL configuration in Method 2) .
  • the reference UL and DL configuration indicates an UL and DL symbol allocation in a slot.
  • FIG. 10 is a block diagram illustrating a node 1000 for wireless communication, according to an implementation of the present disclosure.
  • the node 1000 may include a transceiver 1020, a processor 1026, a memory 1028, one or more presentation components 1034, and at least one antenna 1036.
  • the node 1000 may also include a Radio Frequency (RF) spectrum band module, a BS communications module, a network communications module, and a system communications management module, input/output (I/O) ports, I/O components, and a power supply (not illustrated in FIG. 10) .
  • RF Radio Frequency
  • the node 1000 may be a UE or a BS that performs various disclosed functions illustrated in FIG. 9.
  • the transceiver 1020 may include a transmitter 1022 (with transmitting circuitry) and a receiver 1024 (with receiving circuitry) and may be configured to transmit and/or receive time and/or frequency resource partitioning information.
  • the transceiver 1020 may be configured to transmit in different types of subframes and slots including, but not limited to, usable, non-usable and flexibly usable subframes and slot formats.
  • the transceiver 1020 may be configured to receive data and control channels.
  • the node 1000 may include a variety of computer-readable media.
  • Computer-readable media may be any media that can be accessed by the node 1000 and include both volatile (and non-volatile) media, removable (and non-removable) media.
  • Computer-readable media may include computer storage media and communication media.
  • Computer storage media may include both volatile (and/or non-volatile) , as well as removable (and/or non-removable) media implemented according to any method or technology for storage of information such as computer-readable media.
  • Computer storage media may include RAM, ROM, EPROM, EEPROM, flash memory (or other memory technology) , CD-ROM, Digital Versatile Disks (DVD) (or other optical disk storage) , magnetic cassettes, magnetic tape, magnetic disk storage (or other magnetic storage devices) , etc. Computer storage media do not include a propagated data signal.
  • Communication media may typically embody computer-readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanisms and include any information delivery media.
  • modulated data signal may mean a signal that has one or more of its characteristics set or changed in such a manner as to encode information in the signal.
  • Communication media may include wired media such as a wired network or direct-wired connection, and wireless media such as acoustic, RF, infrared and other wireless media. Combinations of any of the disclosed media should be included within the scope of computer-readable media.
  • the memory 1028 may include computer-storage media in the form of volatile and/or non-volatile memory.
  • the memory 1028 may be removable, non-removable, or a combination thereof.
  • the memory 1028 may include solid-state memory, hard drives, optical-disc drives, etc.
  • the memory 1028 may store computer-readable and/or computer-executable instructions 1032 (e.g., software codes) that are configured to, when executed, cause the processor 1026 (e.g., processing circuitry) to perform various disclosed functions.
  • the instructions 1032 may not be directly executable by the processor 1026 but may be configured to cause the node 1000 (e.g., when compiled and executed) to perform various disclosed functions.
  • the processor 1026 may include an intelligent hardware device, a central processing unit (CPU) , a microcontroller, an ASIC, etc.
  • the processor 1026 may include memory.
  • the processor 1026 may process the data 1030 and the instructions 1032 received from the memory 1028, and information through the transceiver 1020, the baseband communications module, and/or the network communications module.
  • the processor 1026 may also process information to be sent to the transceiver 1020 for transmission via the antenna 1036, to the network communications module for transmission to a CN.
  • Presentation components 1034 may present data to a person or other devices.
  • Presentation components 1034 may include a display device, a speaker, a printing component, a vibrating component, etc.

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

Abstract

L'invention concerne un procédé d'émission et de réception pour un équipement utilisateur (UE) dans un fonctionnement de duplexage par répartition en fréquence semi-duplex (HD-FDD). Le procédé consiste à recevoir, en provenance d'une station de base (BS), une planification dynamique dans un premier ensemble de symboles et une planification configurée dans un second ensemble de symboles, et à décider d'annuler la planification configurée lorsqu'une exigence chronologique est satisfaite, le premier ensemble de symboles chevauchant partiellement ou complètement le second ensemble de symboles dans un domaine temporel.
PCT/CN2021/093344 2020-05-12 2021-05-12 Procédé de réalisation d'émission et de réception dans un fonctionnement de duplexage par répartition en fréquence semi-duplex et dispositif associé WO2021228140A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220053527A1 (en) * 2020-08-14 2022-02-17 Qualcomm Incorporated Autonomous uplink cancellation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190149269A1 (en) * 2018-01-12 2019-05-16 Debdeep CHATTERJEE Behavior of user equipment (ue) in scenarios of conflicting resource assignments in new radio (nr) systems
US20190373560A1 (en) * 2017-02-03 2019-12-05 Sharp Kabushiki Kaisha Terminal apparatus and method
CN112788589A (zh) * 2019-11-01 2021-05-11 三星电子株式会社 基于已处理信道数量确定ue能力的方法和装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190373560A1 (en) * 2017-02-03 2019-12-05 Sharp Kabushiki Kaisha Terminal apparatus and method
US20190149269A1 (en) * 2018-01-12 2019-05-16 Debdeep CHATTERJEE Behavior of user equipment (ue) in scenarios of conflicting resource assignments in new radio (nr) systems
CN112788589A (zh) * 2019-11-01 2021-05-11 三星电子株式会社 基于已处理信道数量确定ue能力的方法和装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NTT DOCOMO; INC: "Summary#2 on UE feature related discussion", 3GPP TSG RAN WG1 #99，R1-1913348, vol. RAN WG1, 25 November 2019 (2019-11-25), Reno, USA, pages 1 - 53, XP051830630 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220053527A1 (en) * 2020-08-14 2022-02-17 Qualcomm Incorporated Autonomous uplink cancellation
US11805514B2 (en) * 2020-08-14 2023-10-31 Qualcomm Incorporated Autonomous uplink cancellation

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