WO2019184681A1 - 取消上行传输的方法和终端设备 - Google Patents

取消上行传输的方法和终端设备 Download PDF

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Publication number
WO2019184681A1
WO2019184681A1 PCT/CN2019/077421 CN2019077421W WO2019184681A1 WO 2019184681 A1 WO2019184681 A1 WO 2019184681A1 CN 2019077421 W CN2019077421 W CN 2019077421W WO 2019184681 A1 WO2019184681 A1 WO 2019184681A1
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Prior art keywords
time
uplink transmission
frequency domain
target
determining
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PCT/CN2019/077421
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English (en)
French (fr)
Inventor
陈晓航
潘学明
鲁智
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维沃移动通信有限公司
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Publication of WO2019184681A1 publication Critical patent/WO2019184681A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the present application relates to the field of communications, and in particular, to a method and a terminal device for canceling uplink transmission.
  • the main scenarios of the new wireless or New Radio (NR) system include: Enhanced Mobile Broadband (eMBB), Massive Machine Type of Communication (mMTC) and ultra-high reliability and ultra-low time. Ultra-Reliable Low Latency Communication (URLLC), these scenarios impose high reliability, low latency, large bandwidth and wide coverage on the NR system.
  • eMBB Enhanced Mobile Broadband
  • mMTC Massive Machine Type of Communication
  • URLLC Ultra-Reliable Low Latency Communication
  • the network device may schedule the URLLC transmission to the resource allocated to the eMBB transmission, in order to reduce the impact of the eMBB transmission on the URLLC transmission.
  • the interference ensures the reliability of the URLLC transmission, so it is necessary to suspend or cancel the eMBB transmission. Therefore, for the terminal equipment of the eMBB service, it is necessary to determine which frequency domain resources are suspended or canceled.
  • the purpose of the embodiment of the present application is to provide a method for canceling uplink transmission and a terminal device, so that the terminal device can determine the target frequency domain resource for canceling the uplink transmission.
  • the first aspect provides a method for canceling uplink transmission, where the method is performed by a terminal device, where the method includes: receiving an uplink transmission cancellation instruction; and if the uplink transmission cancellation instruction includes frequency domain indication information, according to the The frequency domain indication information determines that the target frequency domain resource of the uplink transmission is cancelled.
  • the second aspect provides a terminal device, including: a receiving module, configured to receive an uplink transmission cancellation instruction; and a target frequency domain resource determining module, configured to: when the uplink transmission cancellation instruction includes frequency domain indication information, Describe the frequency domain indication information, and determine to cancel the target frequency domain resource of the uplink transmission.
  • a terminal device comprising: a memory, a processor, and a computer program stored on the memory and executable on the processor, the computer program being executed by the processor.
  • a computer readable storage medium storing a computer program, the computer program being executed by a processor to implement the steps of the method for canceling uplink transmission as described in the first aspect .
  • the terminal device when the terminal device receives the uplink transmission cancellation command, if the uplink transmission cancellation command includes the frequency domain indication information, the terminal device may determine, according to the frequency domain indication information, that the target frequency of the uplink transmission is cancelled. Domain resources improve the efficiency of resource scheduling in the system.
  • FIG. 1 is a flow chart of a method of canceling an uplink transmission, in accordance with one embodiment of the present disclosure
  • FIG. 2 is a flowchart of a method of canceling uplink transmissions according to another embodiment of the present disclosure
  • FIG. 3 is a flowchart of a method of canceling an uplink transmission according to still another embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of a principle of canceling uplink transmission according to an embodiment of the present application.
  • FIG. 5 is another schematic diagram of a method for canceling uplink transmission according to an embodiment of the present application.
  • FIG. 6 is another schematic diagram of a method for canceling uplink transmission according to an embodiment of the present application.
  • FIG. 7 is another schematic diagram of a method for canceling uplink transmission according to an embodiment of the present application.
  • FIG. 8 is another schematic diagram of a method for canceling uplink transmission according to an embodiment of the present application.
  • FIG. 9 is another schematic diagram of a method for canceling uplink transmission according to an embodiment of the present application.
  • FIG. 10 is another schematic diagram of a method for canceling uplink transmission according to an embodiment of the present application.
  • 11 is another schematic diagram of a method for canceling uplink transmission according to an embodiment of the present application.
  • FIG. 12 is another schematic diagram of a method for canceling uplink transmission according to an embodiment of the present application.
  • FIG. 13 is another schematic diagram of a method for canceling uplink transmission according to an embodiment of the present application.
  • FIG. 14 is another schematic diagram of a method for canceling uplink transmission according to an embodiment of the present application.
  • FIG. 15 is another schematic diagram of a method for canceling uplink transmission according to an embodiment of the present application.
  • FIG. 16 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of a terminal device according to another embodiment of the present disclosure.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the terminal device may include, but is not limited to, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a user equipment (User Equipment, UE), a mobile phone (handset).
  • a portable device, a vehicle, etc. the terminal device can communicate with one or more core networks via a Radio Access Network (RAN), for example, the terminal device can be a mobile phone (or Known as "cellular" telephones, computers with wireless communication capabilities, etc., the terminal devices can also be portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile devices.
  • RAN Radio Access Network
  • the network device is a device deployed in the radio access network to provide a wireless communication function for the terminal device.
  • the network device may be a base station, and the base station may include various forms of macro base stations, micro base stations, relay stations, access points, and the like.
  • the names of devices with base station functionality may vary.
  • an Evolved NodeB eNB or eNodeB
  • 3G 3rd Generation
  • an embodiment of the present disclosure provides a method 100 for canceling uplink transmission, which may be performed by a terminal device, including the following steps:
  • this embodiment can be applied to the scenario in which the eMBB service and the URLLC service share the same resource pool. If the network device schedules the URLLC transmission to the frequency domain resource that has been allocated to the eMBB transmission, the network device can be in the eMBB service. Before the terminal device transmits the uplink transmission cancellation command (UL CI) to the terminal device of the eMBB service, if the terminal device receives the UL CI from the network device, the S120 may be performed.
  • UL CI uplink transmission cancellation command
  • the above-mentioned UL CI may include frequency domain indication information, and may or may not include (frequency domain indication information).
  • the terminal device Before receiving the UL CI, the terminal device may generally determine (such as the high-level signaling configuration or protocol) UL CI. Whether to include frequency domain indication information.
  • the frequency domain indication information may be used to indicate a target frequency domain resource to be suspended or to be cancelled.
  • the target frequency domain resource mentioned herein may be a certain reference frequency region (Reference Frequency region); or may be one or more frequency band subsets in the reference frequency domain region.
  • the reference frequency domain area may be determined according to high layer signaling from the network device; or agreed in the protocol.
  • the reference frequency domain area is a bandwidth metric part (BWP) that is currently activated by the terminal device by default; in another specific implementation manner, the reference frequency domain area is The frequency domain bandwidth configured by the network device by using the high-level signaling, where the frequency domain bandwidth configured in the network device may be the currently activated uplink BWP, or may be part of the bandwidth of the currently activated uplink BWP.
  • BWP bandwidth metric part
  • the method for canceling the uplink transmission provided by the embodiment of the present disclosure, when the terminal device receives the uplink transmission cancellation command, if the uplink transmission cancellation instruction includes the frequency domain indication information, the terminal device may determine according to the frequency domain indication information. The target frequency domain resource of the uplink transmission is cancelled, and the resource scheduling efficiency of the system is improved.
  • the terminal device may also suspend or cancel the uplink transmission on the target frequency domain resource, thereby implementing low latency and high reliability requirements of the URLLC service.
  • the frequency domain indication information in the UL CI may be used to indicate one or more frequency band subsets of the reference frequency domain region, that is, target frequency domain resources, wherein the frequency band subsets may be divided into reference frequency domain regions.
  • the segment is obtained, for example, the bandwidth of the reference frequency domain region is 400 MHz-500 MHz, and is divided into 10 equal frequency band subsets, the first frequency band subset is 400 MHz-410 MHz; the second frequency band subset is 410 MHz-420 MHz;... ...; the tenth band subset is 490MHz-500MHz.
  • each frequency band subset may be determined based on higher layer signaling from the network device.
  • the size of each frequency band subset, or the number of frequency band subsets reflects the granularity of the frequency domain resource indication.
  • the frequency band subset is indicated by means of a bitmap indication.
  • the reference frequency domain region is divided into M (M is a positive integer greater than 1) frequency band subsets, such that the indication information in the UL CI may be specifically a bitmap of M bits, indicating one or Multiple frequency band subsets, ie target frequency domain resources.
  • M the frequency domain indication information may not be included in the UL CI (described later).
  • the M-bit bitmap at the location may be used to indicate a single frequency band subset of the reference frequency domain region; or may be used to indicate a plurality of consecutive frequency band subsets of the reference frequency domain region; or may be used to indicate the reference frequency domain A plurality of discrete subsets of frequency bands of the region.
  • the method of indicating the target frequency domain resource by using the bitmap is convenient to configure and flexible, and one or more frequency band subsets can be flexibly indicated.
  • the frequency band subset is indicated by a single index indication.
  • the reference frequency domain area is divided into M (M is a positive integer greater than 1) frequency band subset, and each frequency band subset is configured with an index, so that
  • the indication information in the UL CI may be specifically used to indicate an index of a subset of the frequency bands.
  • the embodiment may be used to indicate a single frequency band subset of the reference frequency domain region.
  • the UL CI may include frequency domain indication information of ceil (log 2 M) bits, and the formula ceil() indicates Returns the smallest integer greater than or equal to the value in parentheses.
  • Embodiment 3 indicating a frequency band subset by using an index and a number of consecutive frequency band subsets, for example, the reference frequency domain area is divided into M (M is a positive integer greater than 1) frequency band subsets, each frequency band subset An index is configured, such that the frequency domain indication information in the UL CI may be specifically used to indicate an index of a starting frequency band subset of the plurality of consecutive frequency band subsets and a quantity of the plurality of consecutive frequency band subsets.
  • the target frequency domain resource is the plurality of consecutive frequency band subsets described above.
  • the UL CI may include The frequency domain indication information of the bits is used to indicate an index of a starting frequency band subset of the plurality of consecutive frequency band subsets and a quantity of the plurality of consecutive frequency band subsets, respectively.
  • the target frequency domain resource indication method of the third embodiment is adopted, and the signaling amount is saved because the data amount of the frequency domain indication information is small.
  • the received UL CI includes frequency domain indication information, and of course, the received UL CI may not include (frequency domain indication information).
  • another embodiment of the present disclosure provides a method 200 for canceling an uplink transmission, where the method may be performed by a terminal device, where the application is included in a scenario in which the received UL CI does not include the frequency domain indication information, including The following steps:
  • the reference frequency domain area is a frequency domain bandwidth configured by the network device by using high layer signaling, or the reference frequency domain area is a frequency domain bandwidth determined by the terminal device based on a protocol.
  • the reference frequency domain area at the location may be the currently activated uplink BWP; or may be part of the bandwidth of the currently activated uplink BWP.
  • the terminal device may directly determine the reference frequency domain region as the target frequency domain resource for canceling the uplink transmission.
  • the uplink transmission on the target frequency domain resource may also be suspended or cancelled.
  • the target frequency domain resources that need to cancel the uplink transmission are described in detail.
  • the target time zone of the uplink transmission may also be cancelled, according to the target time zone and the location. Describe the target frequency domain resource, and determine the target time-frequency resource that needs to cancel the uplink transmission. In this way, the uplink transmission on the target frequency domain resource is suspended or cancelled as mentioned in the foregoing embodiments, and specifically, the uplink transmission on the target time-frequency resource may be suspended or canceled.
  • the following embodiment shows a method 300 for canceling the uplink transmission, which may be combined with the foregoing method embodiments to determine a target time zone for canceling the uplink transmission. As shown in FIG. 3, the method includes the following steps:
  • S310 When receiving an uplink transmission cancellation instruction, determining a first start time, where the first start time is a start time of a reference time zone.
  • the reference time region may be a preset reference time domain resource for determining to cancel the uplink transmission.
  • the reference time zone is typically determined by the first start time and the total length, and the manner in which the first start time and the total length are determined will be described below in connection with a specific embodiment.
  • the first start time may be determined according to a receiving time of the uplink transmission cancellation instruction and a preset time interval. More specifically, the first time slot or the first symbol after the preset time interval is determined from the receiving moment of the uplink transmission cancellation command, and may be determined as the first starting time.
  • the receiving moment of the UL CI may be a slot for receiving a downlink control channel (PDCCH) carrying the UL CI, or the receiving moment of the UL CI may be a last time symbol of the PDCCH that the UE receives the UL CI ( Symbol), hereinafter referred to as the symbol.
  • PDCCH downlink control channel
  • the preset time interval may be determined according to one of the following manners: the first manner, determining the preset time based on the information used to indicate the preset time interval included in the uplink transmission cancellation command
  • the second method is to determine the preset time interval based on high-level signaling (for example, Radio Resource Control (RRC)) for configuring the preset time interval.
  • RRC Radio Resource Control
  • the third mode is based on The first preset value determines the preset time interval, and the like.
  • the UE may determine the preset time interval based on the offset indicated in the UL CI, and the delay may also be equal to K3, where K3 is the duration of the receiving time relative to the UL CI, K3.
  • the unit can be a slot or a symbol.
  • the specific length of K3 is related to subcarrier spacing (SCS).
  • SCS subcarrier spacing
  • a K3 set may be configured in the UE by the network device in advance by RRC, and the actual value of K3 is indicated in the UL CI.
  • the length of the K3 indicated in the UL CI needs to ensure that each UE receiving the UL CI has sufficient cancellation time, which can be understood as It is the processing time for the UE to cancel the uplink transmission.
  • the boundary or the first symbol of the first slot after the passage of K3 from the reception timing of the UL CI may be determined as the first start timing.
  • the first start time may be a boundary of the first time slot after the K3 time slot or symbol from the reception time of the UL CI.
  • the total length of the reference time zone is X time slots
  • the UE may start the time slot n+1 as the first time.
  • the X time slots starting after the time slot n+1 are determined as the reference time zone.
  • the UE may use the time at which the slot n+1 ends as the first start time, and correspondingly, determine the X slots starting after the slot n+1 as the reference time region.
  • the UE may time The time at which the gap n+2 ends is taken as the first start time, and correspondingly, the X time slots starting after the time slot n+2 are determined as the reference time zone.
  • the first start time may be the first symbol after the K3 time slot or symbol has elapsed since the reception time of the UL CI.
  • the UE may time The first symbol after the symbol i of the slot n+1 is determined as the first start time, and correspondingly, the X slots starting after the symbol i of the slot n+1 are determined as the reference time region.
  • the UE can transmit the slot.
  • the first symbol after the symbol i of n+1 is determined as the first start time, and correspondingly, the Y symbols starting after the symbol i of the slot n+1 are determined as the reference time region.
  • the UE may determine the preset time interval based on a reference offset configured by a high layer signaling (eg, RRC), where the reference delay may also be relative to the receiving moment of the UL CI.
  • the duration, the unit of reference delay can be a slot or a symbol.
  • the specific length of the reference delay is related to the subcarrier spacing (SCS).
  • the length of the reference delay configured by the high layer signaling (for example, RRC) needs to ensure that each UE receiving the UL CI has sufficient cancellation time, and the cancellation time is It can be understood as the processing time to cancel the uplink transmission.
  • the network device may choose to send the UL CI to a group of UEs with the same processing capability, for example, to a group of UEs with the same minimum cancellation time length and the same timing advance (TA), so that the high-level letter It is possible to configure the same reference delay for each UE in the group, which is simpler for the network device. If the network device sends the UL CI to a group of UEs with different processing capabilities (for example, a group of UEs with different TAs), the network device delays when configuring the reference to each UE in the group, and needs to consider the TA of the group of UEs. The UE with the highest value also has enough cancellation time.
  • TA timing advance
  • the TA is briefly introduced below.
  • the distance from the base station may also vary due to the location of different UEs. Therefore, the signal between the base station and the UE experiences different transmission delays.
  • the UE needs to add an offset based on the downlink timing when transmitting the uplink signal, and the offset value is a TA value, which is usually configured by the base station.
  • the base station can control the uplink transmission advancement of different UEs through the TA. For a UE that is closer to the base station, the transmission delay is smaller, and a smaller TA can be configured. For a UE that is farther from the base station, the transmission delay experienced is larger, and a larger TA needs to be configured.
  • the boundary or the first symbol of the first time slot after the reference delay is started from the reception time of the UL CI may be determined as the first start time.
  • the boundary of the first time slot after the reference delay from the reception time of the UL CI may be determined as the first start time.
  • the UE can use the time at which the slot n+1 ends.
  • the first start time correspondingly, the X time slots starting after the time slot n+1 are determined as the reference time zone.
  • the UE may use the time at which the slot n+1 ends as the first start time, and correspondingly, determine the X slots starting after the slot n+1 as the reference time region.
  • the first start time may be the first symbol after the reference delay from the reception time of the UL CI.
  • the UE may The first symbol after the symbol i of the slot n+1 is determined as the first start timing, and correspondingly, the Y symbols starting after the symbol i of the slot n+1 are determined as the reference time region.
  • the UE may determine the preset time interval based on the set minimum cancellation time, that is, the first preset value may be the minimum cancellation time.
  • the minimum cancellation time can be understood as the minimum processing time required for the UE to cancel the uplink transmission. Its size is related to the capability of the UE and the SCS. Generally speaking, the stronger the capability of the UE, the shorter the minimum cancellation time, and vice versa. The longer the cancellation time.
  • the unit of minimum cancellation time is a time slot or symbol.
  • the minimum cancellation time can be either the protocol reservation or the network device configured for the UE. In general, the TA is not included in the minimum cancellation time.
  • the third manner may specifically include: determining the preset time interval according to the value of the uplink timing advance and the minimum cancellation time. More specifically, the sum of the uplink timing advance value and the minimum cancellation time (minimum cancellation time+TA) may be determined as the preset time interval. Further, the first start time may be determined from the boundary of the first time slot after the minimum cancellation time + TA from the reception time of the UL CI or the first symbol.
  • the TA value may be a UE-specific TA value (UE-specific TA); the TA value may also be the TA value of all UEs in the UE group where the UE is located.
  • the maximum value in the RRC configuration; the TA value can also be a set reference TA value, such as a configurable maximum TA value.
  • the boundary of the first time slot after the minimum cancellation time + TA from the reception time of the UL CI may be determined as the first start time.
  • the UE may use the time at which the slot n+2 ends as the first start time, and correspondingly, determine the X slots starting after the slot n+2 as the reference time region. .
  • the first symbol after the minimum cancellation time + TA from the reception time of the UL CI may be determined as the first start time.
  • the UE may use the first symbol after the symbol j of the slot n+m as the first start time, and correspondingly, the X times after the symbol j of the slot n+m
  • the time slot is determined as the reference time zone.
  • m floor ((i + minimum cancellation time + TA) / 14)
  • j mod (i + minimum cancellation time + TA, 14)
  • the function floor means rounding down
  • the function mod() means taking the remainder.
  • the minimum cancellation time + the first time slot after the UE-specific TA can be received from the receiving moment of the UL CI.
  • the boundary or the first symbol is determined as the first starting moment described above.
  • the TA may be a UE group-specific TA configured for the network device, and the UE group-specific TA can enable all UEs in the same UE group to have sufficient cancellation time. (cancellation time).
  • the UE group-specific TA may be the maximum of the TA values of all UEs in the UE group.
  • the boundary of the first time slot after the minimum cancellation time + reference TA may be passed from the receiving time of the UL CI or the first one.
  • the symbol is determined as the first starting time described above.
  • the TA may be a reference TA configured for the network device, and the reference TA can enable all UEs in the same UE group to have sufficient cancellation time (cancellation time).
  • the reference TA can be the largest of the configurable TA values.
  • S320 Determine, according to the first start time, a target time zone for canceling the uplink transmission.
  • the target time zone can be understood as the time zone in which the uplink transmission is to be canceled, and the target time zone is usually located within the reference time zone described in S310.
  • the method for canceling the uplink transmission may further include: suspending or canceling the uplink transmission on the target time zone.
  • the cancellation time minimum cancellation time + TA
  • TA is the TA that the UE is currently indicated or configured by the network.
  • the method for canceling the uplink transmission may further include: determining a total length of the reference time zone.
  • the foregoing step S320 may specifically include: determining the target time zone based on the total length and the first starting time.
  • the total length of the reference time zone can be determined based on one of the following ways:
  • the total length is determined based on high layer signaling (eg, RRC) for configuring the total length.
  • the unit of the total length L may be a time slot or a symbol, and the value of L is related to the numerology of an uplink (UL) bandwidth part (BWP). If the unit of the total length L is a time slot, then The value of L may be 1, 2, 4, 5, etc., and if the unit of the total length L is a symbol, the value of L may be 7, 14, or 28 symbols.
  • the total length is determined based on a monitoring periodicity of the uplink transmission cancellation command. If the detection period of the UL CI is X time slots or Y symbols, the total length of the reference time zone may also be X time slots or Y symbols. The detection period of the UL CI may be 7 symbols, 1 time slot, 2 time slots, and the like.
  • the total length is determined based on the second preset value, that is, the length of the reference time zone may be a fixed value, such as 1 time slot.
  • a time zone that passes the total length from the first start time may be determined as the target time zone, that is, the reference time zone is determined as the target time zone.
  • the UE may determine the reference time zone as the target time zone for canceling the uplink transmission, and cancel the uplink transmission on the target time zone.
  • the UE may determine that the first start time t1 is the start time (boundary) of the first time slot after the lapse of K3 from the time slot n, and the reference time area is the time slot n+1 (21 in FIG. 4)
  • the UE may cancel the uplink eMBB service transmission on the reference time zone 21 (slot n+1).
  • the network device may configure a K3 set as shown in Table 1 in the UE in advance by using RRC signaling.
  • the UL CI indicates an index (index) in the table, and the UE queries the table through the number. It is possible to determine the specific K3 value. It should be noted that when the network device indicates K3 through the UL CI, the capability of the UE should be considered.
  • Bit area in UL CI Bit-field in UL CI
  • K2 eMBB indicates time domain resources occupied by eMBB service transmission
  • reference numeral 1 indicates downlink (DL)
  • reference numeral 2 indicates uplink (UL)
  • reference numerals 11 denotes an eMBB transmission uplink scheduling signaling (UL grant for eMBB)
  • reference numeral 12 denotes a UL CI
  • reference numeral 21 denotes a reference time zone
  • a padding pattern in the box indicated by reference numeral 22 denotes an eMBB
  • the padding pattern in the box indicated by reference numeral 23 indicates that the eMBB service of the uplink transmission is cancelled
  • the padding pattern in the box indicated by reference numeral 24 indicates the URLLC service transmission
  • the reference numeral 25 indicates a symbol.
  • the corresponding reference numerals are directly cited below, and the meaning thereof will not be repeatedly described.
  • UL CI (12 in FIG. 5)
  • the UE may determine that the first start time t1 is the first symbol after the passage of K3 from the time slot n, and the reference time region is the Y starting from the symbol i of the time slot n+1.
  • the symbols (21 in Fig. 5) the UE can cancel the uplink eMBB traffic transmission on the reference time zone 21 (the padding pattern in Fig. 5 is the portion indicated by reference numeral 23).
  • the network device may configure a K3 set as shown in Table 2 in the UE in advance through RRC signaling.
  • the UL CI indicates a number or an index in the table, and the UE passes the bit.
  • the regional query table 2 can determine the specific K3 value. It should be noted that when the network device indicates K3 through the UL CI, the capability of the UE should be considered.
  • Bit area in UL CI Bit-field in UL CI
  • the method for canceling the uplink transmission provided by the embodiment of the present disclosure may further include: determining a total length of the reference time zone.
  • the foregoing step S320 may specifically include: determining the target time zone based on the total length and the first starting time.
  • the method for canceling the uplink transmission provided by the embodiment of the present disclosure may further include: based on the first start time and the location, where the UL CI includes the target start time information for indicating the time domain resource for canceling the uplink transmission.
  • the target start time information is determined, and the second start time for canceling the uplink transmission is determined.
  • the second starting time is relative to the first starting time. Usually, the second starting time is later than or equal to the first starting time.
  • determining the target time region based on the total length and the first start time may specifically include: determining an end time of the reference time region based on the total length and the first start time; A time zone from the second start time to the end time is determined as the target time zone.
  • the UL CI further indicates the target start time information (second start time) for canceling the uplink transmission, that is, UL.
  • the CI indicates the canceled slot/symbol(s) in the reference time zone, and the time zone between the second start time and the end time of the reference time zone is determined by the UE as the target time zone, and the target time zone is cancelled. Uplink transmission.
  • the UL CI may indicate a starting symbol by using a bit-field
  • the eMBB service transmission (the padding pattern in Fig. 6 is the portion indicated by reference numeral 23).
  • the eMBB service transmission (the portion in Fig. 7 filled with a pattern of 23).
  • the boundary of the first slot after 12 symbols, the reference time zone is slot n+1 (21 in Fig. 8).
  • the eMBB service transmission (the padding pattern in Fig. 8 is the portion indicated by reference numeral 23).
  • the UE may determine that the first start time t1 is after the first symbol from the slot n has passed 12 symbols.
  • the reference time zone is the Y symbols starting from the first start time t1 (21 in Fig. 9).
  • the UE may determine a time zone between the fifth symbol after the first start time t1 and the Yth symbol after the first start time t1 as the target time zone, and cancel the uplink eMBB service transmission on the target time zone.
  • the filling pattern in Fig. 9 is the portion indicated by reference numeral 23).
  • the method for canceling the uplink transmission provided by the embodiment of the present disclosure may further include: determining a total length of the reference time region.
  • the foregoing step S320 may specifically include: determining the target time zone based on the total length and the first starting time.
  • the method for canceling the uplink transmission provided by the embodiment of the present disclosure may further include: the method for canceling the uplink transmission provided by the embodiment of the present disclosure may include: the target start time information and the target length information (cancelled slot/symbol) of the time domain resource for canceling the uplink transmission.
  • the second starting time is relative to the first starting time. Usually, the second starting time is later than or equal to the first starting time.
  • the foregoing step S320 may specifically include: determining, by the second start time, a time zone that passes the target length, determining the target time zone, and suspending or canceling the uplink eMBB service on the target time zone. transmission. Normally, the target time zone determined in this manner is located in the above reference time zone.
  • N symbol represents the number of symbols in a slot
  • N bundle_size represents the size of the sub-region (or symbol bundle size), which can also be called the number of symbols in the sub-region
  • N bundle_size can be understood as It is the granularity of the sub-area.
  • the sub-area (or combination of symbols) will be described separately below, and will not be described here.
  • the UL CI further indicates that the second start time t2 is the fifth symbol after the first start time t1 (the starting symbol is 5), the target length T is 3 symbols, and the UL CI is used to indicate t1 and T.
  • the eMBB service transmission (the padding pattern in Fig. 10 is the portion indicated by reference numeral 23).
  • the UL CI further indicates that the second start time t2 is the fourth symbol after the first start time t1 (the starting symbol is 4), the target length T is 5 symbols, and the UL CI is used to indicate t1 and T.
  • the eMBB service transmission (the filling pattern in Fig. 11 is the portion indicated by reference numeral 23).
  • the boundary of the first time slot after the start of the 12 symbols, the reference time zone is the time slot n+1 (21 in Fig. 12).
  • the UL CI further indicates that the second start time t2 is the fourth symbol after the first start time t1 (the starting symbol is 4), the target length T is 5 symbols, and the UL CI is used to indicate t1 and T.
  • the UE may determine the time zone between the symbols 4 and 9 in the slot n+1 as the target time zone, and cancel the uplink in the time zone between the symbols 4 to 9 in the slot n+1.
  • the eMBB service transmission (the padding pattern in Fig. 12 is the portion indicated by reference numeral 23).
  • the symbol the UE receives the UL CI (12 in FIG. 13) in the first symbol of the slot n, and the UE may determine that the first start time t1 is after 12 symbols from the first symbol of the slot n.
  • the first symbol, the reference time region is the Y symbols starting at the first start time t1 (21 in Fig. 13).
  • the UE may determine the time zone between the fifth symbol after the first start time t1 and the eleventh symbol after the first start time t1 as the target time zone, and cancel the uplink eMBB service transmission on the target time zone. (The filling pattern in Fig. 13 is the portion indicated by reference numeral 23).
  • the method for canceling the uplink transmission provided by the embodiment of the present disclosure may determine the start time of the reference time zone when receiving the uplink transmission cancellation command, and determine the target time zone according to the start time of the reference time zone, and further Pause or cancel the upstream transmission on the target time zone. Therefore, the terminal device can be explicitly required to cancel the specific time domain resource of the uplink transmission, thereby improving the resource scheduling efficiency of the system.
  • the method for canceling the uplink transmission resource may include: when receiving the uplink transmission cancellation command (UL CI), determining to cancel according to the delay indicated in the uplink transmission cancellation instruction.
  • the time slot of the uplink transmission determining the target time zone for canceling the uplink transmission according to the start symbol to cancel the uplink transmission indicated in the uplink transmission cancellation command, and the time slot for canceling the uplink transmission. That is, the reference time zone (or implicitly set the reference time zone) is not set, and the time slot or symbol (cancelled slot/symbol(s)) that is actually canceled is indicated in the UL CI.
  • a set of K3 delays may be configured in the UE by RRC, the UL CI indicates a specific K3 value, and the UE determines the symbol to be canceled according to the receiving moment of the UL CI and K3. The time slot, then starting from the indicated start symbol, cancels the uplink transmission on that time slot.
  • the UE receives the UL CI (12 in FIG. 14) in the symbol i of the slot n, and the UL CI indicates the specific value of K3, and the UE determines the cancellation according to the reception timing of the UL CI and K3.
  • the time slot for uplink transmission is slot n+1.
  • the time between the symbol 4 in the slot n+1 and the last symbol in the slot n+1 can be The area is determined as the target time zone, and the uplink eMBB traffic transmission on the time zone between the symbol 4 of the slot n+1 and the last slot of the slot n+1 is cancelled (the padding pattern in FIG. 14 is reference numeral 23). The part referred to).
  • bit region (Bit-field) in the UL CI indicates a starting symbol in a symbol (cancelled symbol(s)) to cancel an uplink transmission with respect to a reception timing of the UL CI
  • the farthest starting symbol, the configuration also determines the size of the bit region; max_total_symbol_num, which represents the total number of symbols in the RRC implicit configuration or the default reference time region.
  • the UE After receiving the UL CI, the UE determines the time slot in which the start symbol of the uplink transmission is to be canceled according to the indication in the bit area, and then cancels the uplink transmission on the time slot starting from the start symbol indicated.
  • a bit region (Bit-field) in the UL CI indicates a starting symbol and a target length in a symbol (cancelled symbol(s)) to cancel an uplink transmission with respect to a reception timing of the UL CI.
  • Bit-field size ceil(log2(max_total_symbol_num/N bundle_size )*(max_total_symbol_num/N bundle_size )+1)/ 2), where N bundle_size represents the symbol bundle size, the farthest starting symbol that can be indicated by the RRC configuration UL CI, and the configuration also determines the size of the bit region.
  • the UE After receiving the UL CI, the UE determines to cancel the start symbol and the target length of the uplink transmission according to the SLIV indicated in the bit region of the UL CI, and then cancels the time domain resource at the target length from the start symbol indicated. Uplink transmission on.
  • a method for canceling uplink transmission may further include: dividing the reference time region into: based on high layer signaling (eg, RRC) for dividing the reference time region. Multiple sub-areas of a preset length, or dividing one time slot into a plurality of sub-areas of a preset length to reduce the size of the bit area in the UL CI, thereby saving transmission resources.
  • RRC high layer signaling
  • the preset length information is greater than or equal to a time symbol; the target start time information is used to indicate a start sub-region in a sub-region included in a time domain resource for canceling uplink transmission, and the target length information is used for Indicates the number of sub-areas included in the time domain resource that cancels the upstream transmission.
  • UL CI requires 4 bits (indicating 0 to 15) to implement indication of all symbols in the time slot;
  • the size of the area is equal to 2 symbols (combination of 2 symbols)
  • the time slot includes 7 sub-areas
  • the UL CI requires 3 bits (indicating 0 to 7) to implement indication of all sub-areas in the time slot. Therefore, combining the symbols in the slot or in the reference time region can reduce the size of the bit region in the UL CI, and can save the transmission resources occupied by the UL CI.
  • the size of the sub-area may be configured by the network device through RRC.
  • the UE determines the boundary of the first slot after the passage of K3 from the slot n as the first start time t1, the slot n+1 and the slot n+2 as the reference time zone, and the UL CI indication
  • the sub-area has a granularity of 2 symbols.
  • the reference frequency domain resource is a UL BWP, the reference frequency domain resource is divided into four frequency band subsets, and the UL CI uses two bits to indicate a specific frequency band subset to be canceled as the target frequency domain resource.
  • the UL CI further indicates that the starting symbol to cancel the uplink transmission is 5 (the starting symbol is 5), and the UL indicates that the target frequency domain resource to cancel the uplink transmission is the first frequency band subset; then the UE determines the frequency domain that can be cancelled.
  • the resource is a frequency domain resource overlapping the target frequency domain resource on the 14th symbol of the slot n+1 to the 14th symbol of the slot n+2 (the padding pattern in FIG. 15 is indicated by reference numeral 23) part).
  • t represents time and f represents frequency.
  • a method of canceling uplink transmission according to an embodiment of the present disclosure is described in detail above with reference to FIGS. 1 through 15.
  • a terminal device according to an embodiment of the present disclosure will be described in detail below with reference to FIG.
  • FIG. 16 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure. As shown in FIG. 16, the terminal device includes:
  • the receiving module 1601 is configured to receive an uplink transmission cancellation instruction.
  • the target frequency domain resource determining module 1602 is configured to determine, according to the frequency domain indication information, that the target frequency domain resource of the uplink transmission is canceled when the frequency domain indication information is included in the uplink transmission cancellation command.
  • the frequency domain indication information is used to indicate one or more frequency band subsets of the reference frequency domain region, where the reference frequency domain region is a frequency domain configured by the network device by using high layer signaling.
  • the bandwidth, or the reference frequency domain area is a frequency domain bandwidth determined by the terminal device based on a protocol.
  • the reference frequency domain region includes a currently activated uplink bandwidth portion BWP.
  • the frequency domain indication information is used to indicate at least one of: a single frequency band subset of the reference frequency domain region; or multiple consecutive frequency bands of the reference frequency domain region a subset of the starting frequency band and the plurality of consecutive frequency band subsets; or a plurality of discrete frequency band subsets of the reference frequency domain region.
  • the target frequency domain resource determining module 1602 is further configured to: when the frequency domain indication information is not included in the uplink transmission cancellation command, determine the reference frequency domain area to cancel uplink The target frequency domain resource is transmitted, wherein the reference frequency domain area is a frequency domain bandwidth configured by the network device by using high layer signaling, or the reference frequency domain area is a frequency domain bandwidth determined by the terminal device based on a protocol.
  • the reference frequency domain region includes a currently activated uplink bandwidth portion BWP.
  • the terminal device further includes: an uplink transmission module 1603, configured to suspend or cancel uplink transmission on the target frequency domain resource.
  • the terminal device further includes: a first determining module and a second determining module.
  • the first determining module is configured to determine a first start time when the uplink transmission cancel instruction is received, where the first start time is a start time of the reference time zone.
  • a second determining module configured to determine, according to the first start time, a target time zone for canceling uplink transmission; and determine, according to the target time zone and the target frequency domain resource, a target time-frequency resource that needs to cancel uplink transmission.
  • the uplink transmission module 1603 is configured to suspend or cancel uplink transmission on the target time-frequency resource.
  • the first determining module is specifically configured to: determine the first starting time based on a receiving moment of the uplink transmission cancellation instruction and a preset time interval.
  • the terminal device further includes: a preset time interval determining module, configured to determine the preset time interval according to one of the following manners: based on being included in the uplink transmission cancellation instruction Determining the preset time interval, determining the preset time interval, determining the preset time interval based on the high layer signaling used to configure the preset time interval, and determining the location based on the first preset value The preset time interval.
  • a preset time interval determining module configured to determine the preset time interval according to one of the following manners: based on being included in the uplink transmission cancellation instruction Determining the preset time interval, determining the preset time interval, determining the preset time interval based on the high layer signaling used to configure the preset time interval, and determining the location based on the first preset value The preset time interval.
  • the first preset value is a preset minimum cancellation time
  • the preset time interval determining module is specifically configured to:
  • the preset time interval is determined according to the value of the uplink timing advance and the minimum cancellation time.
  • the first determining module is specifically configured to: after the first time slot or the first symbol after the preset time interval, start from a receiving moment of the uplink transmission cancellation command, Determined as the first starting moment.
  • a second determining module configured to determine, according to the first start time, a target time zone for canceling the uplink transmission.
  • the terminal device further includes: a total length determining module, configured to determine a total length of the reference time zone.
  • the foregoing second determining module is specifically configured to: determine the target time region based on the total length and the first starting time.
  • the total length determining module is specifically configured to: determine the total length based on one of the following manners: determining the total based on high layer signaling used to configure the total length. Length; determining the total length based on a detection period of the uplink transmission cancellation command; and determining the total length based on a second preset value.
  • the foregoing second determining module is specifically configured to determine, as the target time zone, a time zone that passes the total length from the first starting time.
  • the uplink transmission cancellation instruction includes target start time information for indicating a time domain resource for canceling the uplink transmission
  • the terminal device further includes: a first time determination module, configured to be based on the first A start time and the target start time information determine a second start time to cancel the uplink transmission.
  • the foregoing second determining module is configured to: determine an ending time of the reference time region based on the total length and the first starting time; start from the second starting time to the ending time A time zone between the determinations is the target time zone.
  • the uplink transmission cancellation instruction includes target start time information and target length information for indicating a time domain resource for canceling the uplink transmission
  • the terminal device further includes:
  • a second time determining module configured to determine, according to the first start time and the target start time information, a second start time for canceling uplink transmission
  • a target length determining module configured to determine, according to the target length information, a target length for canceling the uplink transmission
  • the target time zone determining module is configured to determine, as the target time zone, a time zone that passes the target length from the second starting time.
  • the terminal device provided by the embodiment of the present disclosure may further include: a sub-area dividing module, configured to divide the reference time area into a preset based on high layer signaling used to divide the reference time area Multiple sub-areas of length to reduce the size of the bit area in the UL CI, thereby saving transmission resources.
  • a sub-area dividing module configured to divide the reference time area into a preset based on high layer signaling used to divide the reference time area Multiple sub-areas of length to reduce the size of the bit area in the UL CI, thereby saving transmission resources.
  • the preset length information is greater than or equal to a time symbol; the target start time information is used to indicate a start sub-region in a sub-region included in a time domain resource for canceling uplink transmission, and the target length information is used for Indicates the number of sub-areas included in the time domain resource that cancels the upstream transmission.
  • a terminal device may refer to a flow of a method corresponding to an embodiment of the present disclosure, and each unit/module in the terminal device and the other operations and/or functions described above are respectively implemented in order to implement a corresponding process in the method. , will not repeat them here.
  • the terminal device 1700 shown in FIG. 17 includes at least one processor 1701, a memory 1702, at least one network interface 1704, and a user interface 1703.
  • the various components in terminal device 1700 are coupled together by a bus system 1705.
  • the bus system 1705 is used to implement connection communication between these components.
  • the bus system 1705 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 1705 in FIG.
  • the user interface 1703 may include a display, a keyboard, or a pointing device (eg, a mouse, a trackball, a touchpad, or a touch screen, etc.).
  • a pointing device eg, a mouse, a trackball, a touchpad, or a touch screen, etc.
  • the memory 1702 in the embodiments of the present disclosure may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SDRAM Synchronous Connection Dynamic Random Access Memory
  • DRRAM direct memory bus random access memory
  • the memory 1702 stores elements, executable modules or data structures, or a subset thereof, or their extended set: an operating system 17021 and an application 17022.
  • the operating system 17021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks.
  • the application 17022 includes various applications such as a media player (Media Player), a browser, and the like for implementing various application services.
  • a program implementing the method of the embodiments of the present disclosure may be included in the application 17022.
  • the terminal device 1700 further includes a computer program stored on the memory 1702 and executable on the processor 1701.
  • the computer program is executed by the processor 1701, the following steps 100 to 300 are implemented.
  • the method disclosed in the above embodiments of the present disclosure may be applied to the processor 1701 or implemented by the processor 1701.
  • the processor 1701 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 1701 or an instruction in a form of software.
  • the processor 1701 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or the like. Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present disclosure may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in connection with the embodiments of the present disclosure may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software modules can be located in a conventional computer readable storage medium of the art, such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the computer readable storage medium is located in a memory 1702, and the processor 1701 reads the information in the memory 1702, in conjunction with its hardware, to perform the steps of the above method.
  • the computer readable storage medium stores a computer program that, when executed by the processor 1701, implements the steps of the method 100 to the method 300 described above.
  • the embodiments described in the embodiments of the present disclosure may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSP devices, DSPDs), programmable Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general purpose processor, controller, microcontroller, microprocessor, other for performing the functions described herein In an electronic unit or a combination thereof.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSP devices digital signal processing devices
  • DSPDs digital signal processing devices
  • PLD programmable Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • the techniques described in the embodiments of the present disclosure may be implemented by modules (eg, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software code can be stored in memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the terminal device 1700 can implement various processes implemented by the terminal device in the foregoing embodiment. To avoid repetition, details are not described herein again.
  • the embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements various processes of the foregoing method embodiment 100 and method embodiment 300, and can To achieve the same technical effect, to avoid repetition, we will not repeat them here.
  • the computer readable storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better.
  • Implementation Based on such understanding, the technical solution of the present disclosure, which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
  • the instructions include a number of instructions for causing a terminal (which may be a cell phone, computer, server, air conditioner, or network device, etc.) to perform the methods described in various embodiments of the present disclosure.

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Abstract

本申请公开了一种取消上行传输的方法和终端设备,所述方法可以由终端设备执行,包括:接收上行传输取消指令;若所述上行传输取消指令中包括频域指示信息,根据所述频域指示信息,确定取消上行传输的目标频域资源。

Description

取消上行传输的方法和终端设备
相关申请的交叉引用
本申请主张在2018年3月26日在中国提交的中国专利申请号No.201810254650.7的优先权,其全部内容通过引用包含于此。
技术领域
本申请涉及通信领域,尤其涉及一种取消(cancel)上行传输的方法和终端设备。
背景技术
新无线或称新空口(New Radio,NR)系统的主要场景包括有:移动宽带增强(Enhance Mobile Broadband,eMBB)、大规模物联网(massive Machine Type of Communication,mMTC)和超高可靠超低时延通信(Ultra-Reliable Low Latency Communication,URLLC),这些场景对NR系统提出了高可靠、低时延、大带宽和广覆盖等要求。
当eMBB业务和URLLC业务共享同一个资源池时,由于URLLC传输的低时延要求,网络设备有可能会将URLLC传输调度到已分配给eMBB传输的资源,为了降低eMBB传输对URLLC传输的影响和干扰,保证URLLC传输的可靠性,因此需要暂停或取消eMBB传输,这样,对于eMBB业务的终端设备而言,就需要确定出是在哪些频域资源上暂停或取消上行传输。
因此,有必要提供一种取消上行传输的方法,以使eMBB业务的终端设备确定出暂停或取消上行传输的频域资源。
发明内容
本申请实施例的目的是提供一种取消上行传输的方法和终端设备,使终端设备能够确定出取消上行传输的目标频域资源。
第一方面,提供了一种取消上行传输的方法,所述方法由终端设备执行,所述方法包括:接收上行传输取消指令;若所述上行传输取消指令中包括频 域指示信息,根据所述频域指示信息,确定取消上行传输的目标频域资源。
第二方面,提供了一种终端设备,包括:接收模块,用于接收上行传输取消指令;目标频域资源确定模块,用于在所述上行传输取消指令中包括频域指示信息时,根据所述频域指示信息,确定取消上行传输的目标频域资源。
第三方面,提供了一种终端设备,该终端设备包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如第一方面所述的取消上行传输的方法的步骤。
第四方面,提供了一种计算机可读存储介质,所述计算机可读存储介质上存储计算机程序,所述计算机程序被处理器执行时实现如第一方面所述的取消上行传输的方法的步骤。
在本公开实施例中,终端设备在接收到上行传输取消指令时,若所述上行传输取消指令中包括频域指示信息,终端设备根据所述频域指示信息即可确定取消上行传输的目标频域资源,提高了系统的资源调度效率。
附图说明
此处所说明的附图用来提供对本申请的进一步理解,构成本申请的一部分,本申请的示意性实施例及其说明用于解释本申请,并不构成对本申请的不当限定。在附图中:
图1是根据本公开的一个实施例的取消上行传输的方法的流程图;
图2是根据本公开的另一个实施例的取消上行传输的方法的流程图;
图3是根据本公开的再一个实施例的取消上行传输的方法的流程图;
图4是根据本申请实施例的取消上行传输的方法的一种原理示意图;
图5是根据本申请实施例的取消上行传输的方法的另一种原理示意图;
图6是根据本申请实施例的取消上行传输的方法的另一种原理示意图;
图7是根据本申请实施例的取消上行传输的方法的另一种原理示意图;
图8是根据本申请实施例的取消上行传输的方法的另一种原理示意图;
图9是根据本申请实施例的取消上行传输的方法的另一种原理示意图;
图10是根据本申请实施例的取消上行传输的方法的另一种原理示意图;
图11是根据本申请实施例的取消上行传输的方法的另一种原理示意图;
图12是根据本申请实施例的取消上行传输的方法的另一种原理示意图;
图13是根据本申请实施例的取消上行传输的方法的另一种原理示意图;
图14是根据本申请实施例的取消上行传输的方法的另一种原理示意图;
图15是根据本申请实施例的取消上行传输的方法的另一种原理示意图;
图16是根据本公开的一个实施例的终端设备的结构示意图;
图17是根据本公开的另一个实施例的终端设备的结构示意图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚,下面将结合本申请具体实施例及相应的附图对本申请技术方案进行清楚、完整地描述。显然,所描述的实施例仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
应理解,本公开实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile communication,GSM)系统、码分多址(Code Division Multiple Access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统、通用分组无线业务(General Packet Radio Service,GPRS)、长期演进(Long Term Evolution,LTE)系统、LTE频分双工(Frequency Division Duplex,FDD)系统、LTE时分双工(Time Division Duplex,TDD)、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)或全球互联微波接入(Worldwide Interoperability for Microwave Access,WiMAX)通信系统、5G系统,或者说新无线(New Radio,NR)系统。
在本公开实施例中,终端设备可以包括但不限于移动台(Mobile Station,MS)、移动终端(Mobile Terminal)、移动电话(Mobile Telephone)、用户设备(User Equipment,UE)、手机(handset)及便携设备(portable equipment)、车辆(vehicle)等,该终端设备可以经无线接入网(Radio Access Network,RAN)与一个或多个核心网进行通信,例如,终端设备可以是移动电话(或称为“蜂窝”电话)、具有无线通信功能的计算机等,终端设备还可以是便携 式、袖珍式、手持式、计算机内置的或者车载的移动装置。
本公开实施例中,网络设备是一种部署在无线接入网中用以为终端设备提供无线通信功能的装置。所述网络设备可以为基站,所述基站可以包括各种形式的宏基站,微基站,中继站,接入点等。在采用不同的无线接入技术的系统中,具有基站功能的设备的名称可能会有所不同。例如在LTE网络中,称为演进的节点B(Evolved NodeB,eNB或eNodeB),在第三代(3rd Generation,3G)网络中,称为节点B(Node B)等等。
如图1所示,本公开实施例提供一种取消上行传输的方法100,该方法可以由终端设备执行,包括如下步骤:
S110:接收上行传输取消指令。
如前所述,该实施例可以应用在eMBB业务和URLLC业务共享同一个资源池的场景下,如果网络设备将URLLC传输调度到已分配给eMBB传输的频域资源,网络设备可以在eMBB业务的终端设备传输之前,向eMBB业务的终端设备发送上行传输取消指令(UpLink Cancellation Indication,UL CI),若终端设备接收到来自网络设备的上述UL CI,即可执行S120。
S120:若所述上行传输取消指令中包括频域指示信息,根据所述频域指示信息,确定取消上行传输的目标频域资源。
上述UL CI中可以包括有频域指示信息,当然也可以不包括(频域指示信息),终端设备在接收UL CI之前,通常是可以确定(如高层信令配置或协议规定的)UL CI中是否包括有频域指示信息。
上述频域指示信息,可以是用来指示待暂停或待取消上行传输的目标频域资源。该处提到的目标频域资源,可以为一确定的参考频域区域(Reference Frequency region);也可以是上述参考频域区域中的一个或多个频带子集。
上述参考频域区域,可以是根据来自于网络设备的高层信令确定得到;或者是在协议中约定。在一种具体的实施方式中,所述参考频域区域默认为终端设备当前激活的上行带宽部分(Band Width Part,BWP);在另一种具体的实施方式中,所述参考频域区域为所述网络设备通过高层信令配置的频域带宽,该处配置的频域带宽,可以是上述当前激活的上行BWP,也可以是当前激活的上行BWP中的部分带宽。
通过本公开实施例提供的取消上行传输的方法,终端设备在接收到上行传输取消指令时,若所述上行传输取消指令中包括频域指示信息,终端设备根据所述频域指示信息即可确定取消上行传输的目标频域资源,提高了系统的资源调度效率。
当然,在确定出目标频域资源之后,终端设备还可以暂停或取消在所述目标频域资源上的上行传输,从而实现了URLLC业务的低时延和高可靠性要求。
上述提到,UL CI中的频域指示信息可以用来指示参考频域区域的一个或多个频带子集,即目标频域资源,其中,这些频带子集可以是对参考频域区域进行分段得到,例如,参考频域区域的带宽为400MHz-500MHz,被分为10个相等的频带子集,第一个频带子集为400MHz-410MHz;第二个频带子集为410MHz-420MHz;……;第十个频带子集为490MHz-500MHz。
每个频带子集的大小、或者是频带子集的数量,均可以是根据自于网络设备的高层信令确定。每个频带子集的大小、或者是频带子集的数量,反映了频域资源指示的粒度。
对于UL CI中的频域指示信息指示一个或多个频带子集的方式,可以有如下几种实施方式:
实施方式一,采用位图指示的方式指示频带子集。
例如,参考频域区域被分割为M(M为大于1的正整数)个频带子集,这样,UL CI中的指示信息可以具体为M比特的位图,根据上述位图来指示出一个或多个频带子集,即目标频域资源。当M=1时,UL CI中可以不包括频域指示信息(后续介绍)。
该处的M比特的位图可以用来指示参考频域区域的单个频带子集;或,可以用来指示参考频域区域的多个连续的频带子集;或,可以用来指示参考频域区域的多个不连续的频带子集。
利用位图指示目标频域资源的方式,配置方便,指示方式灵活,可以按照灵活地指示一个或多个频带子集。
实施方式二,采用单个索引指示的方式指示频带子集,例如,参考频域区域被分割为M(M为大于1的正整数)个频带子集,每一个频带子集均配 置有索引,这样,UL CI中的指示信息可以具体用于指示频带子集的索引。当M=1时,UL CI中可以不包括频域指示信息(后续介绍)。
该实施方式可以用来指示所述参考频域区域的单个频带子集,对于每一个频带子集,UL CI中可以包括有ceil(log 2M)比特的频域指示信息,公式ceil()表示返回大于或等于括号内数值的最小整数。
实施方式三,采用索引和连续的频带子集的数量的方式指示频带子集,例如,参考频域区域被分割为M(M为大于1的正整数)个频带子集,每一个频带子集均配置有索引,这样,UL CI中的频域指示信息可以具体用于指示多个连续的频带子集中的起始频带子集的索引和所述多个连续的频带子集的数量,此时,目标频域资源为上述多个连续的频带子集。
该实施方式中,UL CI中可以包括有
Figure PCTCN2019077421-appb-000001
比特的频域指示信息,分别用来指示多个连续的频带子集中的起始频带子集的索引和所述多个连续的频带子集的数量。
采用实施方式三的目标频域资源指示方法,因频域指示信息的数据量较小,能够节约信令开销。
上述几个实施例介绍的取消上行传输的方法中,接收到的UL CI中包括有频域指示信息,当然接收到的UL CI中还可以不包括(频域指示信息)。
如图2所示,本公开另一实施例提供一种取消上行传输的方法200,该方法可以由终端设备执行,应用在接收到的UL CI中不包括有频域指示信息的场景下,包括如下步骤:
S210:接收上行传输取消指令。
该步骤参见S110。
S220:若所述上行传输取消指令中不包括频域指示信息,将参考频域区域确定为取消上行传输的目标频域资源。
其中,所述参考频域区域为网络设备通过高层信令配置的频域带宽,或,所述参考频域区域为终端设备基于协议确定的频域带宽。
具体地,该处的参考频域区域可以是当前激活的上行BWP;也可以是当前激活的上行BWP中的部分带宽。
终端设备在接收上行传输取消指令时,可以直接将参考频域区域确定为 取消上行传输的目标频域资源。
将参考频域区域确定为取消上行传输的目标频域资源之后,还可以暂停或取消在所述目标频域资源上的上行传输。
上述几个实施例详细介绍了需要取消上行传输的目标频域资源,在实际应用中,在确定出目标频域资源之后,还可以取消上行传输的目标时间区域,根据所述目标时间区域和所述目标频域资源,确定需要取消上行传输的目标时频资源。这样,上述几个实施例提到的暂停或取消在所述目标频域资源上的上行传输,具体可以是暂停或取消在所述目标时频资源上的上行传输。
以下实施例列出了一种取消上行传输的方法300,可以与上述几个方法实施例结合,用于确定出取消上行传输的目标时间区域,如图3所示,包括如下步骤:
S310:在接收到上行传输取消指令时,确定第一起始时刻,所述第一起始时刻为参考时间区域的起始时刻。
参考时间区域(reference time region)可以是预先设定的用于确定取消上行传输的参考时域资源。参考时间区域通常由第一起始时刻和总长度来确定,下文会结合具体的实施例对确定第一起始时刻和总长度的方式进行说明。
在S310中,具体可以基于上行传输取消指令的接收时刻和预设时间间隔,确定所述第一起始时刻。更为具体的,可以将从所述上行传输取消指令的接收时刻开始经过所述预设时间间隔之后的第一个时隙或第一个符号,确定为所述第一起始时刻。
UL CI的接收时刻可以是接收携带所述UL CI的下行控制信道(PDCCH)的时隙(slot),或者UL CI的接收时刻可以是UE接收携带所述UL CI的PDCCH的最后一个时间符号(symbol),以下简称符号。
其中,预设时间间隔可以基于下列方式中的一种来确定:第一种方式,基于所述上行传输取消指令中包含的用于指示所述预设时间间隔的信息,确定所述预设时间间隔;第二种方式,基于用于配置所述预设时间间隔的高层信令(例如,无线资源控制(Radio Resource Control,RRC)),确定所述预设时间间隔;第三种方式,基于第一预设值确定所述预设时间间隔,等等。
对于第一种方式而言,UE可以基于UL CI中指示的时延(offset)来确 定上述预设时间间隔,该时延也可以等于K3,K3是相对于UL CI的接收时刻的时长,K3的单位可以是时隙(slot)或符号(symbol)。K3的具体长度与子载波间隔(subcarrier spacing,SCS)有关。可以预先由网络设备通过RRC在UE中配置一个K3集合,并在UL CI中指示K3的实际取值。
可选地,如果UL CI是发送给一组UE的,UL CI中指示的K3的长度需要保证收到该UL CI的各UE均有足够的取消时间(cancellation time),该取消时间可以理解为是UE取消上行传输的处理时间。
并且,在第一种方式中,可以将从UL CI的接收时刻开始经过K3之后的第一个时隙的边界(boundary)或第一个符号,确定为上述第一起始时刻。
具体来说,在给定的SCS下,第一起始时刻可以是从UL CI的接收时刻开始经过K3时隙或符号之后的第一个时隙的边界(boundary)。
例如,假设UL CI指示K3=1个时隙,参考时间区域的总长度为X个时隙,UE在时隙n接收到UL CI,则UE可以将时隙n+1结束的时刻作为第一起始时刻,相应的,将时隙n+1之后开始的X个时隙确定为参考时间区域。
又如,假设UL CI指示K3=7个符号,参考时间区域的总长度为X个时隙,UE在时隙n的符号i(i为一个时隙内符号的编号,i<7,i=0~13)接收到UL CI,则UE可以将时隙n+1结束的时刻作为第一起始时刻,相应的,将时隙n+1之后开始的X个时隙确定为参考时间区域。
再如,假设UL CI指示K3=14个符号,参考时间区域的总长度为X个时隙,UE在时隙n的符号i(i=0~13)接收到UL CI,则UE可以将时隙n+2结束的时刻作为第一起始时刻,相应的,将时隙n+2之后开始的X个时隙确定为参考时间区域。
或者,在给定的SCS下,第一起始时刻可以是从UL CI的接收时刻开始经过K3时隙或符号之后的第一个符号。
例如,假设UL CI指示K3=7个符号,参考时间区域的总长度为X个时隙,UE在时隙n的符号i(i<7,i=0~13)接收到UL CI,则UE可以将时隙n的符号i再加7个符号之后的第一个符号确定为第一起始时刻,相应的,将时隙n的符号i+7个符号之后开始的X个时隙确定为参考时间区域。
再如,假设UL CI指示K3=14个符号,参考时间区域的总长度为X个 时隙,UE在时隙n的符号i(i=0~13)接收到UL CI,则UE可以将时隙n+1的符号i之后的第一个符号确定为第一起始时刻,相应的,将时隙n+1的符号i之后开始的X个时隙确定为参考时间区域。
又如,假设UL CI指示K3=14个符号,参考时间区域的总长度为Y个符号,UE在时隙n的符号i(i=0~13)接收到UL CI,则UE可以将时隙n+1的符号i之后的第一个符号确定为第一起始时刻,相应的,将时隙n+1的符号i之后开始的Y个符号确定为参考时间区域。
对于第二种方式而言,UE可以基于高层信令(例如RRC)配置的参考时延(reference offset)来确定上述预设时间间隔,该参考时延也可以是相对于UL CI的接收时刻的时长,参考时延的单位可以是时隙(slot)或符号(symbol)。参考时延的具体长度与子载波间隔(subcarrier spacing,SCS)有关。
可选地,如果UL CI是发送给一组UE的,则高层信令(例如RRC)配置的参考时延的长度需要保证收到该UL CI的各UE均有足够的取消时间,该取消时间可以理解为是取消上行传输的处理时间。
进一步地,网络设备可以选择将UL CI发送给一组处理能力相同的UE,例如发送给一组最小取消时间长度相同,以及上行定时提前(timing advance,TA)的值相同的UE,这样高层信令可以向该组中的各UE配置相同的参考时延,这对网络设备来说更为简单易行。如果网络设备将UL CI发送给一组处理能力不同的UE(例如TA不同的一组UE),则网络设备在向该组中的各UE配置参考时延时,需要考虑该组UE中TA的值最大的UE也有足够的取消时间。
下面对TA进行简要的介绍。在小区内,由于不同UE所处的位置可能不同,距离基站的距离也可能各不相同。因此,基站与UE之间的信号会经历不同的传输时延。为了保证基站在接收来自不同UE的上行信号时保持定时是对齐的,UE需要在发送上行信号时,基于下行定时增加一个偏移,该偏移值即为TA值,通常由基站来配置。基站通过TA可以控制不同UE的上行传输提前量。对于距离基站较近的UE,传输时延较小,可配置较小的TA;对于距离基站较远的UE,所经历的传输时延较大,需要配置较大的TA。
在第二种方式中,可以将从UL CI的接收时刻开始经过参考时延之后的 第一个时隙的边界或第一个符号,确定为上述第一起始时刻。
具体来说,在给定的SCS下,可以将从UL CI的接收时刻开始经过参考时延之后的第一个时隙的边界,确定为上述第一起始时刻。
例如,假设RRC配置的参考时延为1个时隙,参考时间区域的总长度为X个时隙,UE在时隙n接收到UL CI,则UE可以将时隙n+1结束的时刻作为第一起始时刻,相应的,将时隙n+1之后开始的X个时隙确定为参考时间区域。
又如,假设RRC配置的参考时延为7个符号,参考时间区域的总长度为X个时隙,UE在时隙n的符号i(i<7,i=0~13)接收到UL CI,则UE可以将时隙n+1结束的时刻作为第一起始时刻,相应的,将时隙n+1之后开始的X个时隙确定为参考时间区域。
再如,假设RRC配置的参考时延为14个符号,参考时间区域的总长度为X个时隙,UE在时隙n的符号i(i=0~13)接收到UL CI,则UE可以将时隙n+2结束的时刻作为第一起始时刻,相应的,将时隙n+2之后开始的X个时隙确定为参考时间区域。
或者,在给定的SCS下,第一起始时刻可以是从UL CI的接收时刻开始经过参考时延之后的第一个符号。
例如,假设RRC配置的参考时延为7个符号,参考时间区域的总长度为X个时隙,UE在时隙n的符号i(i<7,i=0~13)接收到UL CI,则UE可以将时隙n的符号i再加7个符号之后的第一个符号确定为第一起始时刻,相应的,将时隙n的符号i再加7个符号之后开始的X个时隙确定为参考时间区域。
再如,假设RRC配置的参考时延为14个符号,参考时间区域的总长度为X个时隙,UE在时隙n的符号i(i=0~13)接收到UL CI,则UE可以将时隙n+1的符号i之后的第一个符号确定为第一起始时刻,相应的,将时隙n+1的符号i之后开始的X个时隙确定为参考时间区域。
又如,假设RRC配置的参考时延为14个符号,参考时间区域的总长度为Y个符号,UE在时隙n的符号i(i=0~13)接收到UL CI,则UE可以将时隙n+1的符号i之后的第一个符号确定为第一起始时刻,相应的,将时隙 n+1的符号i之后开始的Y个符号确定为参考时间区域。
对于第三种方式而言,UE可以基于设定的最小取消时间(minimum cancellation time)确定上述预设时间间隔,也即第一预设值可以为最小取消时间。最小取消时间,可以理解为是UE能够取消上行传输所需的最短处理时间,它的大小与UE的能力和SCS有关,一般而言,UE的能力越强,最小取消时间越短,反之,最小取消时间越长。最小取消时间的单位为时隙或符号。
最小取消时间既可以是协议预定的,也可以是网络设备给UE配置的。一般情况下,最小取消时间中不包括TA。
当第一预设值为最小取消时间时,第三种方式具体可以包括:根据上行定时提前的值和所述最小取消时间,确定所述预设时间间隔。更为具体的,可以将上行定时提前的值和所述最小取消时间的和(minimum cancellation time+TA),确定为上述预设时间间隔。并且,可以将从UL CI的接收时刻开始经过最小取消时间+TA之后的第一个时隙的边界或第一个符号,确定为上述第一起始时刻。
在上述确定预设时间间隔的第三种方式中,TA值可以是UE专有的TA值(UE-specific TA);TA值也可以是UE所在用户组(UE group)中所有UE的TA值中的最大值,且该最大值可以通过RRC的配置得到;TA值还可以是一个设定的参考TA(reference TA)值,例如可配置的最大的TA值。
具体来说,在给定的SCS下,可以将从UL CI的接收时刻开始经过最小取消时间+TA之后的第一个时隙的边界,确定为上述第一起始时刻。
例如,假设最小取消时间等于10个符号,参考时间区域的总长度为X个时隙,TA为4个符号,最小取消时间+TA=14个符号,UE在时隙n的符号i=7(i=7~13)接收到UL CI,则UE可以将时隙n+2结束的时刻作为第一起始时刻,相应的,将时隙n+2之后开始的X个时隙确定为参考时间区域。
或者,在给定的SCS下,可以将从UL CI的接收时刻开始经过最小取消时间+TA之后的第一个符号,确定为上述第一起始时刻。
例如,假设最小取消时间等于10个符号,参考时间区域的总长度为X个时隙,TA为4个符号,最小取消时间+TA=14个符号,UE在时隙n的符 号i(i=0~13)接收到UL CI,则UE可以将时隙n+m的符号j之后的第一个符号作为第一起始时刻,相应的,将时隙n+m的符号j之后开始的X个时隙确定为参考时间区域。其中,m=floor((i+最小取消时间+TA)/14),j=mod(i+最小取消时间+TA,14),函数floor表示向下取整,函数mod()表示取余数。
或者,在给定的SCS下,当TA具体为group-specific TA(UE组专属TA)时,可以将从UL CI的接收时刻开始经过最小取消时间+UE组专属TA之后的第一个时隙的边界或第一个符号,确定为上述第一起始时刻。
具体而言,当多个UE配置了检测同一个UL CI时,TA可以为网络设备配置的UE组专属TA,且该UE组专属TA能够使同一个UE组内所有的UE具备足够的取消时间(cancellation time)。例如,UE组专属TA可以为该UE组内所有UE的TA值中的最大值。
或者,在给定的SCS下,当TA具体为参考TA(reference TA)时,可以将从UL CI的接收时刻开始经过最小取消时间+参考TA之后的第一个时隙的边界或第一个符号,确定为上述第一起始时刻。
具体而言,当多个UE配置了检测同一个UL CI时,TA可以为网络设备配置的参考TA,且该参考TA能够使同一个UE组内所有的UE具备足够的取消时间(cancellation time)。例如,参考TA可以为可配置的TA值中的最大值。
S320:基于所述第一起始时刻,确定取消上行传输的目标时间区域。
目标时间区域,可以理解为是欲取消上行传输的时间区域,目标时间区域通常位于S310中所述的参考时间区域之内。
可选地,在S320中确定出目标时间区域之后,本公开实施例提供的一种取消上行传输的方法还可以包括:暂停或取消在所述目标时间区域上的上行传输。当然,在实际应用中,如果UL CI的接收时刻与目标时间区域之间没有足够的取消时间(cancellation time),则UE可以忽略该UL CI,一般情况下,取消时间=最小取消时间+TA,TA为UE当前由网络指示或配置的TA。
下面对S320的可能的几种具体实施方式进行说明。
在第一种实施方式中,在步骤S320之前,本公开实施例提供的一种取消 上行传输的方法还可以包括:确定所述参考时间区域的总长度。相应的,上述步骤S320具体可以包括:基于所述总长度和所述第一起始时刻,确定所述目标时间区域。
示例性地,参考时间区域的总长度可以基于下列方式中的一种来确定:
一是,基于用于配置所述总长度的高层信令(例如RRC),确定所述总长度。总长度L的单位可以是时隙或符号,L的取值与上行(Uplink,UL)带宽部分(bandwidth part,BWP)的数值配置(numerology)有关,如果总长度L的单位为时隙,则L的取值可以是1、2、4、5等,如果总长度L的单位为符号,L的取值可以为7、14、28符号等。
二是,基于所述上行传输取消指令的检测周期(monitoring periodicity)确定所述总长度。如果UL CI的检测周期为X个时隙或Y个符号,那么参考时间区域的总长度也可以为X个时隙或Y个符号。UL CI的检测周期的取值可以是7个符号、1个时隙、2个时隙,等等。
三是,基于第二预设值确定所述总长度,也即参考时间区域的长度可以是固定值,例如1个时隙。
更为具体的,在S320中,可以将从所述第一起始时刻开始经过所述总长度的时间区域,确定为所述目标时间区域,也即将所述参考时间区域确定为所述目标时间区域。
例如,假设已知参考时间区域的起始时刻(第一起始时刻)和总长度,且UL CI中不包括取消上行传输的目标起始时刻信息和目标长度信息,也即UL CI不指示参考时间区域内的cancelled slot/symbol(s),则UE可以将参考时间区域确定为取消上行传输的目标时间区域,并取消目标时间区域上的上行传输。
具体如图4所示,假设UE根据UL CI的指示确定出K3=1个时隙,参考时间区域的总长度为1个时隙,UE在时隙n接收到UL CI(图4中的12),则UE可以确定出第一起始时刻t1为从时隙n开始经过K3之后的第一个时隙的起始时刻(边界),参考时间区域为时隙n+1(图4中的21),UE可以取消在参考时间区域21(时隙n+1)上的上行eMBB业务传输。
在具体实现时,网络设备可以通过RRC信令预先在UE中配置(configured) 一个如下表1所示的K3集合,UL CI指示该表中的一个编号(index),UE通过该编号查询表1就可以确定出具体的K3值。需要说明的是,网络设备通过UL CI指示K3时,要考虑UE的能力。
表1
UL CI中的比特区域(Bit-field in UL CI) K3的值/时隙
00 0
01 1
10 2
11 3
需要说明的是在本说明书附图中,K2 eMBB表示eMBB业务传输占用的时域资源,附图标记1表示下行(Downlink,DL),附图标记2表示上行(Uplink,UL),附图标记11表示用于调度eMBB传输上行调度信令(UL grant for eMBB),附图标记12表示UL CI,附图标记21表示参考时间区域,附图标记22所指的方框中的填充图样表示eMBB业务传输,附图标记23所指的方框中的填充图样表示取消上行传输的eMBB业务,附图标记24所指的方框中的填充图样表示URLLC业务传输,附图标记25表示一个符号,为节约篇幅,下文直接引用相应的附图标记,不再重复描述其含义。
再如图5所示,假设UE根据UL CI的指示确定出K3=14个符号,参考时间区域的总长度为Y个符号,UE在时隙n的符号i(i=0~13)接收到UL CI(图5中的12),则UE可以确定出第一起始时刻t1为从时隙n开始经过K3之后的第一个符号,参考时间区域为时隙n+1的符号i开始的Y个符号(图5中的21),UE可以取消在参考时间区域21上的上行eMBB业务传输(图5中填充图样为附图标记23所指的部分)。
在具体实现时,网络设备可以通过RRC信令预先在UE中配置(configured)一个如下表2所示的K3集合,UL CI指示该表中的一个编号或称索引(index),UE通过该比特区域查询表2就可以确定出具体的K3值。需要说明的是,网络设备通过UL CI指示K3时,要考虑UE的能力。
表2
UL CI中的比特区域(Bit-field in UL CI) K3的值/符号
00 时延1
01 时延2
10 时延3
11 时延4
在第二种实施方式中,在步骤S320之前,本公开实施例提供的一种取消上行传输的方法还可以包括:确定所述参考时间区域的总长度。相应的,上述步骤S320具体可以包括:基于所述总长度和所述第一起始时刻,确定所述目标时间区域。并且,UL CI中包括用于指示取消上行传输的时域资源的目标起始时刻信息,则本公开实施例提供的一种取消上行传输的方法还可以包括:基于所述第一起始时刻和所述目标起始时刻信息,确定取消上行传输的第二起始时刻。第二起始时刻是相对于第一起始时刻而言的,通常情况下,第二起始时刻晚于或等于上述第一起始时刻。
相应的,上述基于所述总长度和所述第一起始时刻,确定所述目标时间区域,具体可以包括:基于所述总长度和所述第一起始时刻确定所述参考时间区域的结束时刻;将从所述第二起始时刻开始至所述结束时刻之间的时间区域,确定为所述目标时间区域。
例如,假设已知参考时间区域的起始时刻(第一起始时刻)和总长度,UL CI对取消上行传输的目标起始时刻信息(第二起始时刻)做出进一步地指示,也即UL CI指示参考时间区域内的cancelled slot/symbol(s),则UE可以从第二起始时刻开始至参考时间区域的结束时刻之间的时间区域确定为目标时间区域,并取消目标时间区域上的上行传输。
具体而言,UL CI可以用一个比特区域(bit-field)指示第二起始时刻(starting symbol),该比特区域的大小(Bit-field size)可以为:Bit-field size=ceil(log2(N symbol*X/N bundle_size)),其中,X表示参考时间区域的总时隙数,N symbol表示一个时隙内的符号数;N bundle_size表示子区域的大小(或者符号组合的大小(symbol bundle size)),也可以称为子区域的符号数,N bundle_size可以理解为是子区域的粒度,下文会对子区域(或者符号组合)进行单独说明,此处暂不赘述。
如图6所示,假设UE根据UL CI的指示确定出K3=1个时隙,参考时间区域的总长度为1个时隙(X=1),UE在时隙n接收到UL CI(图6中的12), 则UE可以确定出第一起始时刻t1为从时隙n开始经过K3之后的第一个时隙的边界,参考时间区域为时隙n+1(图6中的21)。并且,假设UL CI进一步指示第二起始时刻t2为第一起始时刻t1之后的第5个符号(starting symbol为5),UL CI中用于指示t1的比特区域的大小为:Bit-field size=ceil(log2(N symbol)),子区域的粒度为1个符号。则UE可以将时隙n+1中的符号5至符号13之间的时间区域确定为目标时间区域,并取消在时隙n+1中的符号5至符号13之间的时间区域上的上行eMBB业务传输(图6中填充图样为附图标记23所指的部分)。
再如图7所示,假设UE根据UL CI的指示确定出K3=1个时隙,参考时间区域的总长度为1个时隙(X=1),UE在时隙n接收到UL CI(图7中的12),则UE可以确定出第一起始时刻t1为从时隙n开始经过K3之后的第一个时隙的边界,参考时间区域为时隙n+1(图7中的21)。并且,假设UL CI进一步指示第二起始时刻t2为第一起始时刻t1之后的第4个符号(starting symbol为4),UL CI中用于指示t1的比特区域的大小为:Bit-field size=ceil(log2(N symbol/2)),子区域的粒度为2个符号。则UE可以将时隙n+1中的符号4至符号13之间的时间区域确定为目标时间区域,并取消在时隙n+1中的符号4至符号13之间的时间区域上的上行eMBB业务传输(图7中填充图样为23的部分)。
再如图8所示,假设UE根据最小取消时间(t min=10个符号)和TA(2个符号)确定出预设时间间隔为12个符号,参考时间区域的总长度为1个时隙(X=1),UE在时隙n的第1个符号接收到UL CI(图8中的12),则UE可以确定出第一起始时刻t1为从时隙n的第1个符号开始经过12个符号之后的第一个时隙的边界,参考时间区域为时隙n+1(图8中的21)。并且,假设UL CI进一步指示第二起始时刻t2为第一起始时刻t1之后的第4个符号(starting symbol为4),UL CI中用于指示t1的比特区域的大小为:Bit-field size=ceil(log2(N symbol/2)),子区域的粒度为2个符号。则UE可以将时隙n+1中的符号4至符号13之间的时间区域确定为目标时间区域,并取消在时隙n+1中的符号4至符号13之间的时间区域上的上行eMBB业务传输(图8中填充图样为附图标记23所指的部分)。
再如图9所示,假设UE根据最小取消时间(t min=10个符号)和TA(2个符号)确定出预设时间间隔为12个符号,参考时间区域的总长度为Y个符号,UE在时隙n的第1个符号接收到UL CI(图9中的12),则UE可以确定出第一起始时刻t1为从时隙n的第1个符号开始经过12个符号之后的第1个符号,参考时间区域为第一起始时刻t1开始的Y个符号(图9中的21)。并且,假设UL CI进一步指示第二起始时刻t2为第一起始时刻t1之后的第5个符号(starting symbol为5),UL CI中用于指示t1的比特区域的大小为:Bit-field size=ceil(log2(Y/2)),子区域的粒度为2个符号。则UE可以将第一起始时刻t1之后的第5个符号至第一起始时刻t1之后的第Y个符号之间的时间区域确定为目标时间区域,并取消在目标时间区域上的上行eMBB业务传输(图9中填充图样为附图标记23所指的部分)。
在第三种实施方式中,在步骤S320之前,本公开实施例提供的一种取消上行传输的方法还可以包括:确定所述参考时间区域的总长度。相应的,上述步骤S320具体可以包括:基于所述总长度和所述第一起始时刻,确定所述目标时间区域。并且,UL CI中包括用于指示取消上行传输的时域资源的目标起始时刻信息和目标长度信息(cancelled slot/symbol),则本公开实施例提供的一种取消上行传输的方法还可以包括:基于所述第一起始时刻和所述目标起始时刻信息,确定取消上行传输的第二起始时刻;基于所述目标长度信息,确定取消上行传输的目标长度。第二起始时刻是相对于第一起始时刻而言的,通常情况下,第二起始时刻晚于或等于上述第一起始时刻。
相应的,上述步骤S320具体可以包括:将从所述第二起始时刻开始经过所述目标长度的时间区域,确定为所述目标时间区域,并暂停或取消在目标时间区域上的上行eMBB业务传输。通常情况下,依照该方式确定的目标时间区域位于上述参考时间区域内。
具体而言,UL CI可以用一个比特区域(bit-field)指示第二起始时刻和目标长度(start and length indicator,SLIV),目标长度不超过参考区域的总长度,该比特区域的大小(Bit-field size)可以为:Bit-field size=ceil(log2(N symbol*X/N bundle_size)*(N symbol*X/N bundle_size+1)/2),其中,X表示参考时间区域的总时隙数,N symbol表示一个时隙内的符号数;N bundle_size表示子区域的大小 (或者符号组合的大小(symbol bundle size)),也可以称为子区域的符号数,N bundle_size可以理解为是子区域的粒度,下文会对子区域(或者符号组合)进行单独说明,此处暂不赘述。
如图10所示,假设UE根据UL CI的指示确定出K3=1个时隙,参考时间区域的总长度为1个时隙(X=1),UE在时隙n接收到UL CI(图10中的12),UE将从时隙n开始经过K3之后的第一个时隙的边界确定为第一起始时刻t1,将时隙n+1确定为参考时间区域(图10中的21)。并且,假设UL CI进一步指示第二起始时刻t2为第一起始时刻t1之后的第5个符号(starting symbol为5),目标长度T为3个符号,UL CI中用于指示t1和T的比特区域的大小为:Bit-field=ceil(log2(N symbol*(N symbol+1)/2)),子区域的粒度为1个符号。则UE可以将时隙n+1中的符号5至符号8之间的时间区域确定为目标时间区域,并取消在时隙n+1中的符号5至符号8之间的时间区域上的上行eMBB业务传输(图10中填充图样为附图标记23所指的部分)。
再如图11所示,假设UE根据UL CI的指示确定出K3=1个时隙,参考时间区域的总长度为1个时隙(X=1),UE在时隙n接收到UL CI(图11中的12),UE将从时隙n开始经过K3之后的第一个时隙的边界确定为第一起始时刻t1,将时隙n+1确定为参考时间区域(图11中的21)。并且,假设UL CI进一步指示第二起始时刻t2为第一起始时刻t1之后的第4个符号(starting symbol为4),目标长度T为5个符号,UL CI中用于指示t1和T的比特区域的大小为:Bit-field=ceil(log2(N symbol/2*(N symbol+1)/2)),子区域的粒度为2个符号。则UE可以将时隙n+1中的符号4至符号9之间的时间区域确定为目标时间区域,并取消在时隙n+1中的符号4至符号9之间的时间区域上的上行eMBB业务传输(图11中填充图样为附图标记23所指的部分)。
再如图12所示,假设UE根据最小取消时间(t min=10个符号)和TA(TA=2个符号)确定出预设时间间隔为12个符号,参考时间区域的总长度为1个时隙(X=1),UE在时隙n的第1个符号接收到UL CI(图12中的12),则UE可以确定出第一起始时刻t1为从时隙n的第1个符号开始经过12个符号之后的第一个时隙的边界,参考时间区域为时隙n+1(图12中的21)。并且, 假设UL CI进一步指示第二起始时刻t2为第一起始时刻t1之后的第4个符号(starting symbol为4),目标长度T为5个符号,UL CI中用于指示t1和T的比特区域的大小为:Bit-field=ceil(log2(N symbol/2*(N symbol+1)/2)),子区域的粒度为2个符号。则UE可以将时隙n+1中的符号4至符号9之间的时间区域确定为目标时间区域,并取消在时隙n+1中的符号4至符号9之间的时间区域上的上行eMBB业务传输(图12中填充图样为附图标记23所指的部分)。
再如图13所示,假设UE根据最小取消时间(t min=10个符号)和TA(TA=2个符号)确定出预设时间间隔为12个符号,参考时间区域的总长度为Y个符号,UE在时隙n的第1个符号接收到UL CI(图13中的12),则UE可以确定出第一起始时刻t1为从时隙n的第1个符号开始经过12个符号之后的第一个符号,参考时间区域为第一起始时刻t1开始的Y个符号(图13中的21)。并且,假设UL CI进一步指示第二起始时刻t2为第一起始时刻t1之后的第5个符号(starting symbol为4),目标长度T为6(duration=6)个符号,UL CI中用于指示t1和T的比特区域的大小为:Bit-field=ceil(log2(Y/2*(Y+1)/2)),子区域的粒度为2个符号。则UE可以将第一起始时刻t1之后的第5个符号至第一起始时刻t1之后的第11个符号之间的时间区域确定为目标时间区域,并取消该目标时间区域上的上行eMBB业务传输(图13中填充图样为附图标记23所指的部分)。
本公开实施例提供的一种取消上行传输的方法,可以在接收到上行传输取消指令时,确定出参考时间区域的起始时刻,并根据参考时间区域的起始时刻确定出目标时间区域,进而暂停或取消在目标时间区域上的上行传输。因此,可以使终端设备明确需要取消的上行传输的具体时域资源,提高了系统的资源调度效率。
在本公开的又一实施例中,取消上行传输资源的方法可以包括:在接收到上行传输取消指令(UL CI)时,根据所述上行传输取消指令中指示的时延(offset),确定取消上行传输的时隙;根据所述上行传输取消指令中指示的要取消上行传输的起始符号,以及所述取消上行传输的时隙,确定取消上行传输的目标时间区域。也即,不设定参考时间区域(或者说隐含设定参考时 间区域),UL CI中指示时延和实际要取消的时隙或符号(cancelled slot/symbol(s))。
其中,根据所述上行传输取消指令中指示的时延(offset),确定取消上行传输的时隙,包括:将从所述上行传输取消指令的接收时刻开始经过所述时延之后的第一个符号所在的时隙,确定为取消上行传输的时隙。
具体而言,可以预先通过RRC在UE中配置一个K3时延的集合(见上文中的表1),UL CI指示具体的K3值,UE根据UL CI的接收时刻和K3确定要取消的符号所在的时隙,然后从所指示的起始符号开始,取消该时隙上的上行传输。
具体如图14所示,假设UE在时隙n的符号i接收到UL CI(图14中的12),且UL CI指示了K3的具体值,UE根据UL CI的接收时刻和K3确定出取消上行传输的时隙为时隙n+1。并且,假设UL CI进一步指示要取消上行传输的起始符号为4(starting symbol为4),则可以将时隙n+1中的符号4至时隙n+1的最后一个符号之间的时间区域确定为目标时间区域,并取消在时隙n+1中的符号4至时隙n+1的最后一个之间的时间区域上的上行eMBB业务传输(图14中填充图样为附图标记23所指的部分)。
再比如,假设UL CI中用一个比特区域(Bit-field)指示相对于UL CI的接收时刻的要取消上行传输的符号(cancelled symbol(s))中的起始符号(starting symbol),且网络设备预先通过RRC配置的比特区域的大小为:Bit-field size=ceil(log2(max_total_symbol_num/N bundle_size)),其中,N bundle_size表示符号组合的大小(symbol bundle size),由RRC配置UL CI能指示的最远的起始符号,该配置也决定了比特区域的大小;max_total_symbol_num,表示RRC隐式配置或默认的参考时间区域的总符号数。UE接收到UL CI之后,根据比特区域中的指示确定要取消上行传输的起始符号所在的时隙,然后从所示指示的起始符号开始,取消该时隙上的上行传输。
又比如,假设UL CI中用一个比特区域(Bit-field)指示相对于UL CI的接收时刻的要取消上行传输的符号(cancelled symbol(s))中的起始符号(starting symbol)和目标长度(duration),也即UL CI指示SLIV,且网络设备预先通过RRC配置的比特区域的大小为:Bit-field size= ceil(log2(max_total_symbol_num/N bundle_size)*(max_total_symbol_num/N bundle_size)+1)/2),其中,N bundle_size表示符号组合的大小(symbol bundle size),由RRC配置UL CI能指示的最远的起始符号,该配置也决定了比特区域的大小。UE接收到UL CI之后,根据UL CI的比特区域中所指示的SLIV确定要取消上行传输的起始符号和目标长度,然后从所示指示的起始符号开始,取消在目标长度的时域资源上的上行传输。
下面对上文中述及的子区域(或者符号组合)进行说明。
可选地,本公开任一实施例提供的一种取消上相传输的方法还可以包括:基于用于划分所述参考时间区域的高层信令(例如RRC),将所述参考时间区域划分为预设长度的多个子区域,或者将一个时隙划分为预设长度的多个子区域,以减小UL CI中的比特区域的大小,从而节省传输资源。
其中,所述预设长度大于或等于一个时间符号;所述目标起始时刻信息用于指示取消上行传输的时域资源中包括的子区域中的起始子区域,所述目标长度信息用于指示取消上行传输的时域资源中包括的子区域的数量。
举例来说,假设一个时隙有14个符号,当子区域的大小等于1个符号时,UL CI需要4个比特(能指示0~15)才能实现对时隙中所有符号的指示;当子区域的大小等于2个符号时(2个符号的组合),该时隙包括7个子区域,UL CI需要3个比特(能指示0~7)就能实现对该时隙中所有子区域的指示,因此,对时隙中或参考时间区域中的符号进行组合,可以减少UL CI中的比特区域的大小,能够节省UL CI占用的传输资源。
在具体实现时,子区域的大小(或符号组合的大小)可以由网络设备通过RRC进行配置。
例如,如图15所示,假设UE在时隙n接收到UL CI(图15中的12),参考时间区域的总长度为2个时隙,且UL CI指示了K3=1个时隙,UE将从时隙n开始经过K3之后的第一个时隙的边界确定为第一起始时刻t1,将时隙n+1和时隙n+2确定为参考时间区域,以及,UL CI指示的子区域的粒度为2个符号。并且,参考频域资源(Reference frequency region)为UL BWP,参考频域资源分为4个频带子集,UL CI用2比特指示具体要取消的频带子集,作为目标频域资源。以及,UL CI进一步指示要取消上行传输的起始符 号为5(starting symbol为5),UL指示要取消上行传输的目标频域资源为第一个频带子集;则UE确定可以取消的频域资源为,在时隙n+1的第5个符号至时隙n+2的第14个符号上,与目标频域资源重叠的频域资源(图15中填充图样为附图标记23所指的部分)。在图15中t表示时间,f表示频率。
以上结合图1至图15详细描述了根据本公开实施例的取消上行传输的方法。下面将结合图16详细描述根据本公开实施例的终端设备。
图16是根据本公开实施例的终端设备的结构示意图。如图16所示,终端设备包括:
接收模块1601,用于接收上行传输取消指令;
目标频域资源确定模块1602,用于在所述上行传输取消指令中包括频域指示信息时,根据所述频域指示信息,确定取消上行传输的目标频域资源。
可选地,作为一个实施例,所述频域指示信息用于指示参考频域区域的一个或多个频带子集,其中,所述参考频域区域为网络设备通过高层信令配置的频域带宽,或,所述参考频域区域为所述终端设备基于协议确定的频域带宽。
可选地,作为一个实施例,所述参考频域区域包括当前激活的上行带宽部分BWP。
可选地,作为一个实施例,所述频域指示信息用于指示下述至少一种:所述参考频域区域的单个频带子集;或,所述参考频域区域的多个连续的频带子集中的、起始频带子集和所述多个连续的频带子集的数量;或,所述参考频域区域的多个不连续的频带子集。
可选地,作为一个实施例,所述目标频域资源确定模块1602,还用于:在所述上行传输取消指令中不包括所述频域指示信息时,将参考频域区域确定为取消上行传输的目标频域资源,其中,所述参考频域区域为网络设备通过高层信令配置的频域带宽,或,所述参考频域区域为终端设备基于协议确定的频域带宽。
可选地,作为一个实施例,所述参考频域区域包括当前激活的上行带宽部分BWP。
可选地,作为一个实施例,所述终端设备还包括:上行传输模块1603, 用于暂停或取消在所述目标频域资源上的上行传输。
可选地,作为一个实施例,所述终端设备还包括:第一确定模块和第二确定模块。
第一确定模块,用于在接收到上行传输取消指令时,确定第一起始时刻,所述第一起始时刻为参考时间区域的起始时刻。
第二确定模块,用于基于所述第一起始时刻,确定取消上行传输的目标时间区域;根据所述目标时间区域和所述目标频域资源,确定需要取消上行传输的目标时频资源。
其中,所述上行传输模块1603,用于暂停或取消在所述目标时频资源上的上行传输。
可选地,作为一个实施例,所述第一确定模块具体用于:基于所述上行传输取消指令的接收时刻和预设时间间隔,确定所述第一起始时刻。
可选地,作为一个实施例,终端设备还包括:预设时间间隔确定模块,用于基于下列方式中的一种确定所述预设时间间隔:基于所述上行传输取消指令中包含的用于指示所述预设时间间隔的信息,确定所述预设时间间隔;基于用于配置所述预设时间间隔的高层信令,确定所述预设时间间隔;以及基于第一预设值确定所述预设时间间隔。
可选地,作为一个实施例,所述第一预设值为预设的最小取消时间,所述预设时间间隔确定模块,具体用于:
根据上行定时提前的值和所述最小取消时间,确定所述预设时间间隔。
可选地,作为一个实施例,第一确定模块,具体用于:将从所述上行传输取消指令的接收时刻开始经过所述预设时间间隔之后的第一个时隙或第一个符号,确定为所述第一起始时刻。
第二确定模块,用于基于所述第一起始时刻,确定取消上行传输的目标时间区域。
在一种具体实施方式中,终端设备还包括:总长度确定模块,用于确定所述参考时间区域的总长度。相应的,上述第二确定模块,具体用于:基于所述总长度和所述第一起始时刻,确定所述目标时间区域。
可选地,作为一个实施例,所述总长度确定模块,具体用于:基于下列 方式中的一种确定所述总长度:基于用于配置所述总长度的高层信令,确定所述总长度;基于所述上行传输取消指令的检测周期确定所述总长度;以及基于第二预设值确定所述总长度。
可选地,作为一个实施例,上述第二确定模块,具体用于:将从所述第一起始时刻开始经过所述总长度的时间区域,确定为所述目标时间区域。
在另一种实施方式中,所述上行传输取消指令中包括用于指示取消上行传输的时域资源的目标起始时刻信息,终端设备还包括:第一时刻确定模块,用于基于所述第一起始时刻和所述目标起始时刻信息,确定取消上行传输的第二起始时刻。相应的,上述第二确定模块,具体用于:基于所述总长度和所述第一起始时刻确定所述参考时间区域的结束时刻;将从所述第二起始时刻开始至所述结束时刻之间的时间区域,确定为所述目标时间区域。
在又一种实施方式中,所述上行传输取消指令中包括用于指示取消上行传输的时域资源的目标起始时刻信息和目标长度信息,终端设备还包括:
第二时刻确定模块,用于基于所述第一起始时刻和所述目标起始时刻信息,确定取消上行传输的第二起始时刻;
目标长度确定模块,用于基于所述目标长度信息,确定取消上行传输的目标长度;
目标时间区域确定模块,用于将从所述第二起始时刻开始经过所述目标长度的时间区域,确定为所述目标时间区域。
可选地,本公开实施例提供的一种终端设备,还可以包括:子区域划分模块,用于基于用于划分所述参考时间区域的高层信令,将所述参考时间区域划分为预设长度的多个子区域,以减小UL CI中的比特区域的大小,从而节省传输资源。
其中,所述预设长度大于或等于一个时间符号;所述目标起始时刻信息用于指示取消上行传输的时域资源中包括的子区域中的起始子区域,所述目标长度信息用于指示取消上行传输的时域资源中包括的子区域的数量。
根据本公开实施例的终端设备可以参照对应本公开实施例的方法的流程,并且,该终端设备中的各个单元/模块和上述其他操作和/或功能分别为了实现方法中的相应流程,为了简洁,在此不再赘述。
图17是本公开另一个实施例的终端设备的框图。图17所示的终端设备1700包括:至少一个处理器1701、存储器1702、至少一个网络接口1704和用户接口1703。终端设备1700中的各个组件通过总线系统1705耦合在一起。可理解,总线系统1705用于实现这些组件之间的连接通信。总线系统1705除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见,在图17中将各种总线都标为总线系统1705。
其中,用户接口1703可以包括显示器、键盘或者点击设备(例如,鼠标,轨迹球(trackball)、触感板或者触摸屏等)。
可以理解,本公开实施例中的存储器1702可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DRRAM)。本公开实施例描述的系统和方法的存储器1702旨在包括但不限于这些和任意其它适合类型的存储器。
在一些实施方式中,存储器1702存储了如下的元素,可执行模块或者数据结构,或者他们的子集,或者他们的扩展集:操作系统17021和应用程序17022。
其中,操作系统17021,包含各种系统程序,例如框架层、核心库层、驱动层等,用于实现各种基础业务以及处理基于硬件的任务。应用程序17022,包含各种应用程序,例如媒体播放器(Media Player)、浏览器(Browser)等,用 于实现各种应用业务。实现本公开实施例方法的程序可以包含在应用程序17022中。
在本公开实施例中,终端设备1700还包括:存储在存储器上1702并可在处理器1701上运行的计算机程序,计算机程序被处理器1701执行时实现如下方法100至方法300的步骤。
上述本公开实施例揭示的方法可以应用于处理器1701中,或者由处理器1701实现。处理器1701可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法的各步骤可以通过处理器1701中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器1701可以是通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本公开实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本公开实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的计算机可读存储介质中。该计算机可读存储介质位于存储器1702,处理器1701读取存储器1702中的信息,结合其硬件完成上述方法的步骤。具体地,该计算机可读存储介质上存储有计算机程序,计算机程序被处理器1701执行时实现如上述方法100至方法300实施例的各步骤。
可以理解的是,本公开实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现,处理单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits,ASIC)、数字信号处理器(Digital Signal Processor,DSP)、数字信号处理设备(DSP Device,DSPD)、可编程逻辑设备(Programmable Logic Device,PLD)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本申请所述功能的其它电子单元或其组合中。
对于软件实现,可通过执行本公开实施例所述功能的模块(例如过程、函数等)来实现本公开实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
终端设备1700能够实现前述实施例中终端设备实现的各个过程,为避免重复,这里不再赘述。
本公开实施例还提供一种计算机可读存储介质,计算机可读存储介质上存储有计算机程序,该计算机程序被处理器执行时实现上述方法实施例100和方法实施例300的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。其中,所述的计算机可读存储介质,如只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本公开的技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本公开各个实施例所述的方法。
上面结合附图对本公开的实施例进行了描述,但是本公开并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本公开的启示下,在不脱离本公开宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本公开的保护之内。

Claims (21)

  1. 一种取消上行传输的方法,由终端设备执行,包括:
    接收上行传输取消指令;
    若所述上行传输取消指令中包括频域指示信息,根据所述频域指示信息,确定取消上行传输的目标频域资源。
  2. 如权利要求1所述的方法,其中,
    所述频域指示信息用于指示参考频域区域的一个或多个频带子集,其中,
    所述参考频域区域为网络设备通过高层信令配置的频域带宽,或,
    所述参考频域区域为终端设备基于协议确定的频域带宽。
  3. 如权利要求2所述的方法,其中,
    所述参考频域区域包括当前激活的上行带宽部分BWP。
  4. 如权利要求2或3所述的方法,其中,所述频域指示信息用于指示下述至少一种:
    所述参考频域区域的单个频带子集;
    所述参考频域区域的多个连续的频带子集中的、起始频带子集和所述多个连续的频带子集的数量;或,
    所述参考频域区域的多个不连续的频带子集。
  5. 如权利要求1所述的方法,还包括:
    若所述上行传输取消指令中不包括所述频域指示信息,将参考频域区域确定为取消上行传输的目标频域资源,其中,
    所述参考频域区域为网络设备通过高层信令配置的频域带宽,或,
    所述参考频域区域为终端设备基于协议确定的频域带宽。
  6. 如权利要求5所述的方法,其中,
    所述参考频域区域包括当前激活的上行带宽部分BWP。
  7. 如权利要求1至6任一项所述的方法,还包括:
    暂停或取消在所述目标频域资源上的上行传输。
  8. 如权利要求7所述的方法,还包括:
    在接收到所述上行传输取消指令时,确定第一起始时刻,所述第一起始 时刻为参考时间区域的起始时刻;
    基于所述第一起始时刻,确定取消上行传输的目标时间区域;
    根据所述目标时间区域和所述目标频域资源,确定需要取消上行传输的目标时频资源;
    其中,暂停或取消在所述目标频域资源上的上行传输,包括,暂停或取消在所述目标时频资源上的上行传输。
  9. 根据权利要求8所述的方法,其中,所述确定第一起始时刻,包括:
    基于所述上行传输取消指令的接收时刻和预设时间间隔,确定所述第一起始时刻。
  10. 根据权利要求9所述的方法,还包括:
    基于下列方式中的一种确定所述预设时间间隔:
    基于所述上行传输取消指令中包含的用于指示所述预设时间间隔的信息,确定所述预设时间间隔;
    基于用于配置所述预设时间间隔的高层信令,确定所述预设时间间隔;或
    基于第一预设值确定所述预设时间间隔。
  11. 根据权利要求10所述的方法,其中,所述第一预设值为预设的最小取消时间,以及
    所述基于第一预设值确定所述预设时间间隔,具体包括:
    根据上行定时提前的值和所述最小取消时间,确定所述预设时间间隔。
  12. 根据权利要求9所述的方法,其中,
    所述基于所述上行传输取消指令的接收时刻和预设时间间隔,确定所述第一起始时刻,包括:
    将从所述上行传输取消指令的接收时刻开始经过所述预设时间间隔之后的第一个时隙或第一个符号,确定为所述第一起始时刻。
  13. 根据权利要求8所述的方法,还包括:确定所述参考时间区域的总长度;
    其中,所述基于所述第一起始时刻,确定取消上行传输的目标时间区域,具体包括:
    基于所述总长度和所述第一起始时刻,确定所述目标时间区域。
  14. 根据权利要求13所述的方法,其中,所述确定参考时间区域的总长度,包括:
    基于下列方式中的一种确定所述总长度:
    基于用于配置所述总长度的高层信令,确定所述总长度;
    基于所述上行传输取消指令的检测周期确定所述总长度;或
    基于第二预设值确定所述总长度。
  15. 根据权利要求13或14所述的方法,其中,所述基于所述总长度和所述第一起始时刻,确定所述目标时间区域,包括:
    将从所述第一起始时刻开始经过所述总长度的时间区域,确定为所述目标时间区域。
  16. 根据权利要求13或14所述的方法,其中,所述上行传输取消指令中包括用于指示取消上行传输的时域资源的目标起始时刻信息,所述方法还包括:
    基于所述第一起始时刻和所述目标起始时刻信息,确定取消上行传输的第二起始时刻;
    其中,所述基于所述总长度和所述第一起始时刻,确定所述目标时间区域,包括:
    基于所述总长度和所述第一起始时刻确定所述参考时间区域的结束时刻;
    将从所述第二起始时刻开始至所述结束时刻之间的时间区域,确定为所述目标时间区域。
  17. 根据权利要求13或14所述的方法,其中,所述上行传输取消指令中包括用于指示取消上行传输的时域资源的目标起始时刻信息和目标长度信息,所述方法还包括:
    基于所述第一起始时刻和所述目标起始时刻信息,确定取消上行传输的第二起始时刻;
    基于所述目标长度信息,确定取消上行传输的目标长度;
    将从所述第二起始时刻开始经过所述目标长度的时间区域,确定为所述目标时间区域。
  18. 根据权利要求16或17所述的方法,还包括:
    基于用于划分所述参考时间区域的高层信令,将所述参考时间区域划分为预设长度的多个子区域;
    其中,所述预设长度大于或等于一个时间符号;所述目标起始时刻信息用于指示取消上行传输的时域资源中包括的子区域中的起始子区域,所述目标长度信息用于指示取消上行传输的时域资源中包括的子区域的数量。
  19. 一种终端设备,包括:
    接收模块,用于接收上行传输取消指令;
    目标频域资源确定模块,用于在所述上行传输取消指令中包括频域指示信息时,根据所述频域指示信息,确定取消上行传输的目标频域资源。
  20. 一种终端设备,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如权利要求1至18中任一项所述的取消上行传输的方法的步骤。
  21. 一种计算机可读存储介质,存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至18中任一项所述的取消上行传输的方法的步骤。
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