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WO2025208963A1 - Procédé de communication sans fil, nœud de communication, support de stockage et produit programme d'ordinateur - Google Patents

Procédé de communication sans fil, nœud de communication, support de stockage et produit programme d'ordinateur

Info

Publication number
WO2025208963A1
WO2025208963A1 PCT/CN2024/143089 CN2024143089W WO2025208963A1 WO 2025208963 A1 WO2025208963 A1 WO 2025208963A1 CN 2024143089 W CN2024143089 W CN 2024143089W WO 2025208963 A1 WO2025208963 A1 WO 2025208963A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
transmission
sequence
transmission resource
length
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/143089
Other languages
English (en)
Chinese (zh)
Inventor
栗子阳
张楠
李俊丽
曹伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2025208963A1 publication Critical patent/WO2025208963A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular to a wireless communication method, a communication node, a storage medium, and a computer program product.
  • UE user equipment
  • UE user equipment
  • uplink coverage through repetition.
  • a UE repeatedly transmits data it occupies a significant amount of radio resources, reducing the amount of data transmitted in the system.
  • the system cannot meet the resource requirements of all UEs due to the high radio resource usage, resulting in a decrease in system capacity.
  • the present disclosure provides a wireless communication method, a communication node, a storage medium, and a computer program product, which can improve system capacity.
  • a computer-readable storage medium on which computer program instructions are stored.
  • the computer program instructions are executed by a processor, the above-mentioned wireless communication method is implemented.
  • FIG1 is a diagram illustrating an example of signal superposition of repeated uploads according to an embodiment of the present disclosure.
  • FIG5 is a schematic diagram of an example of a unit for transmitting resources according to an embodiment of the present disclosure.
  • the flight platform can carry an access network device.
  • the access network device When the access network device is onboard the flight platform, it moves synchronously with the flight platform, and the access network device and the flight platform can be considered as a single entity.
  • the flight platform can be considered an access network device, or it can be described as operating in regenerative mode, meaning that the flight platform functions as an access network device.
  • the communication link between the flight platform and the terminal device can be referred to as a service link.
  • the unit of transmission resources includes at least one of the following: a time domain resource unit and a frequency domain resource unit.
  • the time domain resource unit includes at least one of the following: one or more symbols, one or more time slots, time domain resources repeatedly occupied by a transmission, and time domain resources repeatedly occupied by a transmission corresponding to a redundancy version (RV) value.
  • RV redundancy version
  • Each time domain resource unit is introduced below.
  • the unit of transmission resources may be one time slot, or may be composed of multiple time slots. For example, if the unit of transmission resources is composed of four time slots, then one element in the sequence applies to four time slots.
  • a time domain resource unit includes time domain resources repeatedly occupied by a single transmission
  • the unit of transmission resources is determined by the time domain resources repeatedly occupied by a single transmission. For example, if the time domain resources repeatedly occupied by a single transmission are one time slot, then the unit of transmission resources is one time slot. For another example, if the time domain resources repeatedly occupied by a single transmission are four time slots, then the unit of transmission resources consists of four time slots.
  • a transmission repetition may occupy one, two, or eight time slots.
  • the first node may use different sequence extension schemes, thereby increasing the frequency offset resistance of the first node.
  • a Walsh sequence of length 2 may include: [+1 -1], [+1 -1].
  • a Walsh sequence of length 4 may include: [+1 +1 +1 +1], [+1 -1 +1 -1], etc.
  • a DFT sequence of length 3 may also include: [+1 +1 +1], [+1 e j ⁇ 2 ⁇ 1/3 e j ⁇ 2 ⁇ ⁇ 2/3 ], [+1 e j ⁇ 2 ⁇ 2/3 e j ⁇ 2 ⁇ 1/3 ], etc.
  • e is used to represent a constant, whose value is approximately 2.71828 1828459045 (an infinite non-repeating decimal).
  • j is used to represent an imaginary unit (the square root of -1).
  • the transmission resource unit is a symbol
  • UE1 and UE2 transmit using the same time and frequency domain resources
  • UE1 uses the sequence [S1.1, S1.2, S1.3, S1.4]
  • UE2 uses the sequence [S2.1, S2.2, S2.3, S2.4].
  • each symbol is repeated four times and mapped consecutively to four time-domain symbols.
  • a symbol is multiplied by an element in the sequence, such as symbol 1 being multiplied by S1.1.
  • a timeslot as the unit of transmission resources.
  • UE1 and UE2 repeatedly upload using the same time and frequency domain resources.
  • UE1 uses the sequence [S1.1, S1.2, S1.3, S1.4]
  • UE2 uses the sequence [S2.1, S2.2, S2.3, S2.4].
  • the data in each timeslot is repeated four times and mapped consecutively to four timeslots.
  • a timeslot is multiplied by an element in the sequence, such as S1.1 being multiplied by timeslot 1.
  • UE1 and UE2 For example, consider a transmission resource unit of two time slots. If UE1 and UE2 repeatedly upload using the same time and frequency domain resources, UE1 uses the sequence [S1.1, S1.2, S1.3, S1.4], and UE2 uses the sequence [S2.1, S2.2, S2.3, S2.4]. As shown in Figure 8, the data of every two time slots is repeated four times and mapped continuously onto eight time slots. Two time slots are multiplied by an element in the sequence, for example, time slots 1 and 2 are multiplied by S1.1.
  • the two transmission repetitions are multiplied by one element in the sequence.
  • UE1 and UE2 perform eight upload repetitions in the same time and frequency domain resources, UE1 uses the sequence [S1.1, S1.2, S1.3, S1.4] and UE2 uses the sequence [S2.1, S2.2, S2.3, S2.4]. As shown in Figure 10, the eight upload repetitions occupy 16 time slots. Therefore, every two repetitions (four time slots) are multiplied by one element in the sequence, for example, time slots 1, 2, 3, and 4 are multiplied by S1.1.
  • the frequency domain level sequence expansion scheme can be an intra-symbol pre-DFT sequence expansion scheme.
  • the pre-DFT sequence expansion scheme can be used after the modulation module performs modulation and before the DFT module performs discrete Fourier transform. Taking the frequency domain resources of N subcarriers and the sequence length of M as an example, N and M are integers greater than or equal to 1. First, the modulated symbols are mapped to N/M subcarriers, and then the M-fold frequency domain is spread (i.e., repetition on the frequency domain resources) to occupy all N subcarriers, and finally each N/M subcarrier is multiplied by an element in the sequence.
  • multiple repetitions of a PUSCH transmission scheduled by a RAR message may be RAR (msg2) scheduling msg3 in a 4-step Random Access Channel (RACH) procedure.
  • RAR Random Access Channel
  • multiple repetitions of a PUSCH transmission scheduled by a fallback RAR message may be fallback RAR (msgB) scheduling msg3 in a 2-step RACH procedure.
  • the physical uplink shared channel may include at least one of the following: Narrow Band Internet of Things Physical Uplink Shared Channel (NPUSCH), Enhanced Mobile Broadband Physical Uplink Shared Channel (eMBB PUSCH), Ultra-Reliable and Low-Latency Communications Physical Uplink Shared Channel (uRLLC PUSCH), and Massive Machine Type Communications Physical Uplink Shared Channel (mMTC PUSCH).
  • NPUSCH Narrow Band Internet of Things Physical Uplink Shared Channel
  • eMBB PUSCH Enhanced Mobile Broadband Physical Uplink Shared Channel
  • uRLLC PUSCH Ultra-Reliable and Low-Latency Communications Physical Uplink Shared Channel
  • mMTC PUSCH Massive Machine Type Communications Physical Uplink Shared Channel
  • the uplink transmission may also include at least one of the following: physical uplink control channel (PUCCH), narrowband Internet of Things physical uplink control channel (NPUCCH), and narrowband Internet of Things physical random access channel (NPRACH).
  • PUCCH physical uplink control channel
  • NPUCCH narrowband Internet of Things physical uplink control channel
  • NPRACH narrowband Internet of Things physical random access channel
  • the uplink transmission can be applied to NTN network, TN network, and Narrow Band Internet of Things (NB-IoT), and the embodiments of the present disclosure are not limited to this.
  • NB-IoT Narrow Band Internet of Things
  • the above is an introduction to the process in which the first node determines the unit of the transmission resource and applies the sequence to the transmission resource for uplink transmission.
  • the following describes the process in which the first node determines the unit of the transmission resource.
  • the unit indication information is carried in any of the following signaling: system information (SI), radio resource control (RRC) message, media access control control element (MAC CE), and downlink control information (DCI).
  • SI system information
  • RRC radio resource control
  • MAC CE media access control control element
  • DCI downlink control information
  • the unit indication information when the unit indication information is carried in an RRC message, the unit indication information is located in an information element at at least one of the following levels: a cell-level information element, a UE-level information element, a bandwidth part (Bandwidth Part, BWP) level information element, a signal or channel-level information element, and a transmission-level information element.
  • a cell-level information element a cell-level information element
  • a UE-level information element a bandwidth part (Bandwidth Part, BWP) level information element
  • BWP Bandwidth Part
  • a cell-level information element (or UE-level information element) is used to indicate that all transmissions of a UE in a cell can use this unit indication information.
  • a BWP-level information element indicates that any transmission of the UE in that BWP can use this unit indication information.
  • a signal or channel-level information element indicates that a signal or channel transmission of the UE can use this unit indication information.
  • a transmission-level information element indicates that a specific transmission can use this unit indication information.
  • the unit indication information when the unit indication information is located in an information element at the transmission level, the unit indication information can be carried as a list in the information element.
  • DCI is used to schedule a transmission
  • a sequence number in the RRC list is indicated in the DCI field as the unit indication information for this transmission.
  • a cell-level information element may include at least one of the following: ServingCellConfig, ServingCellConfigCommon, ServingCell ConfigCommonSIB, etc.
  • a BWP-level information element may include at least one of the following: BWP-Uplink, BWP-UplinkCommon, BWP-UplinkDedicated, etc.
  • a signal or channel-level information element may include at least one of the following: PUSCH-Config, PUSCH-ConfigCommon, PUSCH-ServingCellConfig, PUCCH-Config, PUCCH-ConfigCommon, ConfiguredGrantConfig, RACH-ConfigCommon-NB, NPUSCH-Config-NB, NPRACH-ConfigSIB-NB, PUR-Config-NB, etc.
  • the unit indication information can be used as a parameter in the MAC CE.
  • the unit indication information can be used as a field in the DCI.
  • a first node may send capability information of the first node to a second node.
  • the second node may determine a unit of transmission resources based on the capability information.
  • the capability information of the first node is used to indicate support for upload transmission based on the unit of transmission resources.
  • the capability information includes at least one of the following: supported units of transmission resources, supported sequence lengths, supported durations, and supported modulation and coding scheme (MCS) indexes.
  • MCS modulation and coding scheme
  • the supported sequence length is the maximum sequence length supported by the first node, and/or the supported sequence length is the maximum sequence length of a unit of transmission resources used by the first node.
  • the supported duration is the maximum duration for which the first node applies the sequence, and/or the supported duration is the maximum duration for which the first node applies the sequence to a unit of transmission resources.
  • the supported MCS index is the maximum MCS index supported by the first node, and/or the supported MCS index is the maximum MCS index supported by the first node for applying the sequence to a unit of transmission resources.
  • the supported sequence length is the maximum sequence length of the unit in which the first node uses the transmission resource, it refers to the supported sequence extension scheme.
  • the supported duration is the maximum duration of the unit in which the first node applies the sequence to the transmission resource, it refers to the supported sequence extension scheme.
  • the supported MCS index is the maximum MCS index supported for the unit in which the first node applies the sequence to the transmission resource, it refers to the supported sequence extension scheme.
  • the capability information may further include at least one of the following: a configuration parameter, a specific parameter.
  • the unit of transmission resources supported by the first node is a time slot
  • the unit of transmission resources is a time slot.
  • the capability information sent by the first node includes: the unit of transmission resources supported is a time slot, the supported sequence length is 4, and the supported MCS index is 1, then the unit of transmission resources indicated by the unit indication information satisfies the above conditions.
  • a UE reports two sets of capability information: the first set includes: transmission resource unit a, duration a, and MCS index a; the second set includes: transmission resource unit b, duration b, and MCS index b. If duration a and MCS index a are specified, the UE can implement a sequence spreading scheme based on transmission resource unit a. If duration b and MCS index b are specified, the UE can implement a sequence spreading scheme based on transmission resource unit b.
  • the unit of the transmission resource may be determined according to the unit identifier of the transmission resource.
  • the unit identifier of the transmission resource is slot
  • the unit of the transmission resource is one or more time slots.
  • the unit identifier of the transmission resource is symbol
  • the unit of the transmission resource is one or more symbols.
  • the first node may determine a unit of transmission resources based on configuration parameters.
  • the configuration parameters include at least one of the following: sequence length, MCS index, number of users multiplexing resources, RV, transport block size (TBS), and priority of the unit of transmission resources.
  • the unit for the first node to determine the transmission resource according to the sequence length may include at least four of the following methods: method 1.1, method 1.2, method 1.3, and method 1.4.
  • Mode 1.1 When the sequence length is greater than the length threshold, the unit of the transmission resource is the first unit. And/or, when the sequence length is less than the length threshold, the unit of the transmission resource is the second unit. And/or, when the sequence length is equal to the length threshold, the unit of the transmission resource is the first unit or the second unit. The time length of the first unit is less than the time length of the second unit.
  • the unit of transmission resources is determined to be one time slot; if the sequence length is 5, the unit of transmission resources is determined to be one symbol.
  • Mode 1.2 When the sequence length is greater than a first length threshold, the unit of transmission resources is a first unit. And/or, when the sequence length is less than or equal to the first length threshold and greater than a second length threshold, the unit of transmission resources is a second unit. And/or, when the sequence length is less than or equal to the second length threshold, the unit of transmission resources is a third unit.
  • the first length threshold is greater than the second length threshold.
  • the time length of the first unit is less than the time length of the second unit, and the time length of the second unit is less than the time length of the third unit.
  • the unit of transmission resources is a frequency domain resource unit.
  • the unit of transmission resources is one or more symbols.
  • the unit of transmission resources is one or more time slots.
  • the embodiments of the present disclosure do not limit the manner in which the length threshold, the first length threshold, and the second length threshold are set.
  • the length threshold may be a predefined value (e.g., encoded in a device, component, or chip).
  • the length threshold may be the maximum sequence length supported by the first node.
  • the length threshold may be a value configured by the second node.
  • the configuration parameters include: sequence length ⁇ sequence length 1, length threshold ⁇ .
  • At least one of the length threshold, the first length threshold, and the second length threshold is not included in the configuration parameters, but is carried in any of the following signaling: SI, RRC message, MAC CE, DCI.
  • Mode 1.3 When the sequence length is a first length, the unit of transmission resources is a first unit. And/or when the sequence length is a second length, the unit of transmission resources is a second unit. The first length is greater than the second length, and the time length of the first unit is less than the time length of the second unit.
  • sequence length determines the sequence to be used within a period of time.
  • sequence length is large, a unit with a smaller time length can be selected to improve the resistance to frequency bias.
  • Mode 1.4 When the sequence length is greater than the length threshold, the unit of transmission resources is a first group of units, which includes at least one unit of transmission resources. And/or, when the sequence length is less than the length threshold, the unit of transmission resources is a second group of units, which includes at least one unit of transmission resources. And/or, when the sequence length is equal to the length threshold, the unit of transmission resources is the first group of units or the second group of units. Subsequently, the unit of transmission resources can be determined from the first group of units or the second group of units through unit group information.
  • the unit group information can be carried in any of the following signaling: SI, RRC message, MAC CE, DCI.
  • the first group of units includes ⁇ first unit, second unit ⁇ , and the second group of units includes ⁇ second unit, third unit ⁇ . If the unit for determining the transmission resource is the first group of units, and the unit group information is used to indicate the selection of the first unit in the group of units (e.g., the unit group information is 0), then the unit for determining the transmission resource is the first unit.
  • the unit group information includes at least one of the following: a time domain resource allocation parameter (TDRA) and a frequency domain resource allocation parameter (FDRA). For example, if the time domain resource allocation parameter indicates that 10 time slots are configured, the unit of transmission resources is determined to be one or more time slots; if the time domain resource allocation parameter indicates that 8 symbols are configured, the unit of transmission resources is determined to be one or more symbols.
  • TDRA time domain resource allocation parameter
  • FDRA frequency domain resource allocation parameter
  • TDRA may include at least one of the following parameters: starting time, time offset, and time length.
  • FDRA may include at least one of the following parameters: starting frequency domain position, number of RBs, and number of REs.
  • Method 2.2 When the MCS index is greater than the first MCS index threshold, the unit of transmission resources is the first unit. And/or, when the MCS index is less than or equal to the first MCS index threshold and greater than the second MCS index threshold, the unit of transmission resources is the second unit. And/or, when the MCS index is less than or equal to the second MCS index threshold, the unit of transmission resources is the third unit.
  • the first MCS index threshold is greater than the second MCS index threshold; the duration of the first unit is less than the duration of the second unit, and the duration of the second unit is less than the duration of the third unit.
  • the embodiments of the present disclosure do not limit the manner in which the MCS index threshold, the first MCS index threshold, and the second MCS index threshold are set.
  • the MCS index threshold may be a predefined value.
  • the MCS index threshold may be an MCS index supported by the first node.
  • the MCS index threshold may be a value configured by the second node.
  • At least one of the MCS index threshold, the first MCS index threshold, and the second MCS index threshold may be included in the configuration parameters.
  • the configuration parameters may include: MCS index ⁇ MCS index 1, MCS index threshold ⁇ .
  • At least one of the MCS index threshold, the first MCS index threshold, and the second MCS index threshold is not included in the configuration parameters and is carried in any of the following signaling: SI, RRC message, MAC CE, and DCI.
  • the first MCS index and the second MCS index are not included in the configuration parameters and are carried in any of the following signaling: SI, RRC message, MAC CE, DCI.
  • the unit of transmission resources includes a first unit and a second unit
  • the priority of the first unit is higher than the priority of the second unit
  • the unit of transmission resources is the first unit.
  • the sequence length is 4 and the UE can only use the second unit, then even if the first unit has a priority identifier (or the priority of the first unit is higher than the priority of the second unit), the unit of transmission resources is the second unit.
  • the embodiments of the present disclosure do not limit the manner in which the priority of a transmission resource unit is set.
  • the priority of a transmission resource unit may be a predefined value (e.g., encoded in a device, component, or chip).
  • the priority of a transmission resource unit may be a priority supported by the first node.
  • the priority of a transmission resource unit may be a value configured by the second node.
  • the priority of the unit of transmission resources may be included in the configuration parameters.
  • the configuration parameters include: sequence length 1, and priority of the unit of transmission resources.
  • the priority of the unit of transmission resources is not included in the configuration parameters, but is carried in any of the following signaling: SI, RRC message, MAC CE, DCI.
  • the first node may determine the unit of the transmission resource according to the TBS. Determining the unit of the transmission resource according to the TBS may include the following four methods: Method 4.1, Method 4.2, Method 4.3, and Method 4.4.
  • Mode 4.1 When the TBS is greater than the TBS threshold, the unit of the transmission resource is the first unit. And/or, when the TBS is less than the TBS threshold, the unit of the transmission resource is the second unit. And/or, when the TBS is equal to the TBS threshold, the unit of the transmission resource is the first unit or the second unit. The duration of the first unit is less than the duration of the second unit.
  • Mode 4.2 When the TBS is greater than a first TBS threshold, the unit of transmission resources is a first unit. And/or, when the TBS is less than or equal to the first TBS threshold and greater than a second TBS threshold, the unit of transmission resources is a second unit. And/or, when the TBS is less than or equal to the second TBS threshold, the unit of transmission resources is a third unit.
  • the first TBS threshold is greater than the second TBS threshold, the duration of the first unit is less than the duration of the second unit, and the duration of the second unit is less than the duration of the third unit.
  • the TBS when the TBS is greater than a first TBS threshold, no sequence is used. Furthermore, when the TBS is less than or equal to the first TBS threshold and greater than a second TBS threshold, the unit of the transmission resource is the first unit. Furthermore, when the TBS is less than or equal to the second TBS threshold, the unit of the transmission resource is the second unit.
  • the embodiments of the present disclosure do not limit the manner in which the TBS threshold, the first TBS threshold, and the second TBS threshold are set.
  • the TBS threshold may be a predefined value (e.g., encoded in a device, component, or chip).
  • the TBS threshold may be a TBS supported by the first node.
  • the TBS threshold may be a value configured by the second node.
  • At least one of the TBS threshold, the first TBS threshold, and the second TBS threshold may be included in a configuration parameter.
  • the configuration parameters include: TBS ⁇ TBS1,TBS threshold ⁇ .
  • At least one of the TBS threshold, the first TBS threshold, and the second TBS threshold is not included in the configuration parameters, but is carried in any of the following signaling: SI, RRC message, MAC CE, DCI.
  • Mode 4.3 When the TBS is a first TBS, the unit of the transmission resource is a first unit. And/or, when the TBS is a second TBS, the unit of the transmission resource is a second unit. The first TBS is greater than the second TBS, and the duration of the first unit is less than the duration of the second unit.
  • At least one of the first TBS and the second TBS may be included in a configuration parameter.
  • the configuration parameters include: TBS ⁇ TBS1, the first TBS and the second TBS ⁇ .
  • the first TBS and the second TBS are not included in the configuration parameters and are carried in any of the following signaling: SI, RRC message, MAC CE, DCI.
  • TBS and sequence length are two parameters that affect the uplink transmission frequency offset resistance performance in different dimensions.
  • the TBS and sequence length can be used to determine the unit of transmission resources.
  • the unit of the transmission resource when the TBS is greater than the TBS threshold and the sequence length is greater than the length threshold, the unit of the transmission resource is the first unit.
  • the TBS is less than or equal to the TBS threshold and/or the sequence length is less than or equal to the length threshold, the unit of the transmission resource is the second unit.
  • the sequence when the TBS is greater than the TBS threshold and the sequence length is greater than the length threshold, the sequence is not used. Furthermore, when the TBS is less than or equal to the TBS threshold, or the sequence length is less than or equal to the length threshold, the unit of the transmission resource is the first unit. Furthermore, when the TBS is less than or equal to the TBS threshold and the sequence length is less than or equal to the length threshold, the unit of the transmission resource is the second unit.
  • TBS determines the code rate of channel coding. The higher the code rate, the greater the signal's impact on frequency offset. Therefore, when TBS is large, a smaller time unit can be selected to improve frequency offset resistance.
  • the first node may determine the unit of the transmission resource according to the RV. Determining the unit of the transmission resource according to the RV may include the following four methods: Method 5.1, Method 5.2, Method 5.3, and Method 5.4.
  • Mode 5.1 When the RV is the first RV, the unit of the transmission resource is the first unit. And/or, when the RV is the second RV, the unit of the transmission resource is the second unit.
  • the number of non-repeated values in the first RV is less than the number of non-repeated values in the second RV.
  • the time length of the first unit is less than the time length of the second unit.
  • RV is [0, 1, 2, 3]
  • the number of non-repeated values in RV is 4.
  • RV is [0, 2, 0, 2]
  • the number of non-repeated values in RV is 2.
  • RV may include at least one of the following: [a,a,a,a], [a,b,a,b], [a,b,c,d], where a, b, c, and d are integers ranging from 0 to 3.
  • At least one of the first RV and the second RV may be included in a configuration parameter.
  • the configuration parameters include: RV ⁇ RV1, first RV and second RV ⁇ .
  • the first RV and the second RV are not included in the configuration parameters, but are carried in any of the following signaling: SI, RRC message, MAC CE, DCI.
  • the configuration parameters may also include the number of transmission repetitions.
  • Mode 5.2 When the number of transmission repetitions is the first number of repetitions and the RV is the first RV, the unit of the transmission resource is the first unit. And/or, when the number of transmission repetitions is the first number of repetitions and the RV is the second RV, the unit of the transmission resource is the second unit.
  • the number of non-repeated values in the first RV is less than the number of non-repeated values in the second RV.
  • the time length of the first unit is less than the time length of the second unit.
  • Mode 5.3 When the number of transmission repetitions is greater than the repetition threshold and the RV is the first RV, the unit of transmission resources is the first unit. And/or, when the number of transmission repetitions is less than or equal to the repetition threshold and the RV is the first RV, the unit of transmission resources is the second unit. And/or, when the number of transmission repetitions is greater than the repetition threshold and the RV is the second RV, the unit of transmission resources is the second unit. When the number of transmission repetitions is less than or equal to the repetition threshold and the RV is the second RV, the unit of transmission resources is the third unit.
  • the number of non-repeated values in the first RV is greater than the number of non-repeated values in the second RV, and the number of non-repeated values in the second RV is greater than the number of non-repeated values in the third RV.
  • the time length of the first unit is less than the time length of the second unit, and the time length of the second unit is less than the time length of the third unit.
  • the repetition threshold may be a predefined value (e.g., encoded in a device, component, or chip).
  • the repetition threshold may be the maximum sequence length supported by the first node.
  • the repetition threshold may be a value configured by the second node.
  • At least one of the first repetition number and the repetition number threshold may be included in a configuration parameter.
  • the configuration parameters include: number of repetitions ⁇ number of repetitions 1, first number of repetitions ⁇ .
  • At least one of the first repetition number and the repetition number threshold is not included in the configuration parameters, but is carried in any of the following signaling: SI, RRC message, MAC CE, DCI.
  • the supported sequence length can be determined based on the RV and the number of transmission repetitions, and the unit of transmission resources can be determined based on the supported sequence length.
  • the supported sequence length is the value obtained by dividing the number of transmission repetitions by the number of non-repeated values in the RV.
  • the supported sequence length is 8. If the RV value is [a, b, a, b], the supported sequence length is 4. If the RV value is [a, b, c, d], the supported sequence length is 2.
  • the configuration parameters may also include the duration that the sequence applies to the transmission resource.
  • Mode 6.1 When the duration of the sequence applied to the transmission resource is less than a time threshold, the unit of the transmission resource is a first unit. And/or, when the duration of the sequence applied to the transmission resource is greater than the time threshold, the unit of the transmission resource is a second unit. And/or, when the duration of the sequence applied to the transmission resource is equal to the time threshold, the unit of the transmission resource is a first unit or a second unit. The duration of the first unit is less than the duration of the second unit.
  • Mode 6.2 When the duration is less than or equal to the first duration threshold, the unit of the transmission resource is the first unit. And/or, when the duration is less than or equal to the second duration threshold and greater than the first duration threshold, the unit of the transmission resource is the second unit. And/or, when the duration is greater than the second duration threshold, no sequence is used.
  • the first duration threshold is less than the second duration threshold.
  • the duration of the first unit is less than the duration of the second unit, and the duration of the second unit is less than the duration of the third unit.
  • the duration threshold may be a predefined value (e.g., encoded in a device, component, or chip).
  • the duration threshold may be a duration supported by the first node.
  • the duration threshold may be a value configured by the second node.
  • At least one of the duration threshold, the first duration threshold, and the second duration threshold may be included in a configuration parameter.
  • the configuration parameters include: duration ⁇ duration 1, duration threshold ⁇ .
  • At least one of the duration threshold, the first duration threshold, and the second duration threshold is not included in the configuration parameters and is carried in any of the following signaling: SI, RRC message, MAC CE, DCI.
  • the duration that a sequence is applied to a transmission resource is related to the length of the sequence.
  • the shorter the duration the shorter the sequence length that can be used. Therefore, in the case of a short duration, the frequency offset resistance can be improved by selecting a unit with a smaller time length.
  • the first unit is one or more symbols
  • the second unit is one or more time slots.
  • the first unit is one symbol
  • the second unit is multiple symbols.
  • the first unit is one time slot
  • the second unit is multiple time slots.
  • the first unit is one or more REs
  • the second unit is one or more symbols.
  • the first unit is one or more REs
  • the second unit is one or more time slots.
  • the above is an introduction to the process of determining a unit of transmission resources based on specific parameters of the unit of transmission resources, the unit identifier of the transmission resources, and configuration parameters.
  • the following describes the process of determining a unit of transmission resources based on capability information.
  • the first node may determine the unit of transmission resources according to the configuration parameters and capability information.
  • the wireless communication device or electronic device includes a hardware structure and/or software module corresponding to the execution of each function. It should be easy for those skilled in the art to realize that, in combination with the steps of the wireless communication methods of each example described in the embodiment disclosed in the present disclosure, the present disclosure can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present disclosure.
  • the present disclosure also provides a wireless communication device.
  • the wireless communication device may be a communication node (or computer device), a CPU in the communication node, a communication module for wireless communication in the communication node, or a client for wireless communication in the communication node.
  • the embodiments of the present disclosure can divide the wireless communication device into functional modules or functional units according to the above method examples.
  • each functional module or functional unit can be divided according to each function, or two or more functions can be integrated into one processing module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules or functional units.
  • the division of modules or units in the embodiments of the present disclosure is illustrative and is only a logical functional division. In actual implementation, other division methods may be used.
  • FIG12 is a schematic diagram of the structure of a wireless communication device according to an embodiment of the present disclosure.
  • the wireless communication device is configured to execute the wireless communication method shown in FIG4 .
  • the wireless communication device may include a processing module 1201 and a sending module 1202 .
  • the processing module 1201 is configured to determine a unit of a transmission resource.
  • the sending module 1202 is configured to apply a sequence to the transmission resource based on the unit of the transmission resource to perform uplink transmission.
  • the unit of transmission resources includes at least one of the following: a time domain resource unit, a frequency domain resource unit.
  • the time domain resource unit includes at least one of the following: one or more symbols, one or more time slots, time domain resources repeatedly occupied by one transmission, and time domain resources repeatedly occupied by transmission corresponding to a redundancy version (RV) value.
  • RV redundancy version
  • the processing module 1201 is configured to determine the unit of the transmission resource according to the unit indication information.
  • the unit indication information is used to indicate the unit of the transmission resource.
  • the unit indication information includes at least one of the following: a specific parameter of the unit of the transmission resource, a unit identifier of the transmission resource, and a configuration parameter.
  • the specific parameter includes at least one of the following: a symbol-level unit parameter, a time slot-level unit parameter, and a frequency-domain-level unit parameter.
  • the configuration parameters include at least one of the following: sequence length, modulation and coding scheme (MCS) index, number of users multiplexing resources, RV, transport block size (TBS), priority of units of transmission resources.
  • MCS modulation and coding scheme
  • RV number of users multiplexing resources
  • TBS transport block size
  • the unit indication information when the unit indication information is carried in an RRC message, the unit indication information is located in an information element at at least one of the following levels: a cell-level information element, a UE-level information element, a partial bandwidth BWP-level information element, a signal or channel-level information element, and a transmission-level information element.
  • one or more sequences are applied to all units of transmission resources.
  • one element in the sequence applies to one unit of transmission resources.
  • the processing module 1201 is configured to determine a unit of transmission resources according to capability information of the first node.
  • the sending module 1202 is configured to send capability information of the first node to the second node.
  • the capability information includes at least one of the following: supported units of transmission resources, supported sequence lengths, supported durations, and supported MCS indexes.
  • the supported sequence length is the maximum sequence length supported by the first node, and/or the supported sequence length is the maximum sequence length of a unit of transmission resources used by the first node.
  • the supported duration is the maximum duration for which the first node applies the sequence, and/or the supported duration is the maximum duration for which the first node applies the sequence to a unit of transmission resources.
  • the supported MCS index is the maximum MCS index supported by the first node, and/or the supported MCS index is the maximum MCS index supported by the first node for a unit of transmission resources used by the first node.
  • the uplink transmission includes at least one of the following: multiple repetitions of physical uplink shared channel (PUSCH) transmissions scheduled by DCI; multiple repetitions of PUSCH transmissions scheduled by at least one of a random access response (RAR) message or a fallback RAR message; multiple repetitions of PUSCH transmissions during a random access procedure; multiple repetitions of configured authorized PUSCH transmissions; multiple repetitions of PUSCH transmissions in pre-configured uplink resources (PUR); and multiple repetitions of PUSCH transmissions in early data transmission (EDT).
  • PUSCH physical uplink shared channel
  • RAR random access response
  • PUR pre-configured uplink resources
  • EDT early data transmission
  • the sequence includes at least one of the following: an OCC sequence, a non-orthogonal multiple access (NOMA) sequence, a discrete Fourier transform (DFT) sequence, a Walsh sequence, a Zadoff-Chu sequence, and a Hadamard sequence.
  • OCC OCC sequence
  • NOMA non-orthogonal multiple access
  • DFT discrete Fourier transform
  • Walsh sequence a Walsh sequence
  • Zadoff-Chu sequence a Hadamard sequence.
  • the unit of the transmission resource when the sequence length is greater than a length threshold, the unit of the transmission resource is a first unit. And/or, when the sequence length is less than the length threshold, the unit of the transmission resource is a second unit. And/or, when the sequence length is equal to the length threshold, the unit of the transmission resource is the first unit or the second unit. The time length of the first unit is less than the time length of the second unit.
  • the unit of the transmission resource when the sequence length is a first length, the unit of the transmission resource is a first unit.
  • the unit of the transmission resource is a second unit.
  • the first length is greater than the second length, and the time length of the first unit is less than the time length of the second unit.
  • the unit of the transmission resource when the duration of the sequence being applied to the transmission resource is less than a time threshold, the unit of the transmission resource is a first unit. And/or, when the duration of the sequence being applied to the transmission resource is greater than the time threshold, the unit of the transmission resource is a second unit. And/or, when the duration of the sequence being applied to the transmission resource is equal to the time threshold, the unit of the transmission resource is a first unit or a second unit. The duration of the first unit is less than the duration of the second unit.
  • the unit of the transmission resource when the MCS index is greater than the MCS index threshold, the unit of the transmission resource is the first unit. And/or, when the MCS index is less than the MCS index, the unit of the transmission resource is the second unit. And/or, when the MCS index is equal to the MCS index, the unit of the transmission resource is the first unit or the second unit. The time length of the first unit is less than the time length of the second unit.
  • the first unit is one or more symbols, and the second unit is one or more time slots; and/or, the first unit is one symbol, and the second unit is multiple symbols; and/or, the first unit is one time slot, and the second unit is multiple time slots; and/or, the first unit is one or more REs, and the second unit is one or more symbols; and/or, the first unit is one or more REs, and the second unit is one or more time slots.
  • FIG. 13 is a schematic diagram of the hardware structure of a wireless communication device according to an exemplary embodiment.
  • the wireless communication device may include a processor 1302.
  • the processor 1302 is configured to execute application code to implement the wireless communication method of the present disclosure.
  • Processor 1302 can be a central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits used to control the execution of the program of the disclosed solution.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • the wireless communication device may further include a memory 1303.
  • the memory 1303 is used to store application code for executing the disclosed solution, and the execution is controlled by the processor 1302.
  • the memory 1303 may be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM) or other type of dynamic storage device that can store information and instructions, an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disk storage, an optical disk storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and can be accessed by a computer, but is not limited thereto.
  • the memory 1303 may exist independently and be connected to the processor 1302 via the bus 1304.
  • the memory 1303 may also be integrated with the processor 1302.
  • the wireless communication device may further include a communication interface 1301.
  • the communication interface 1301, the processor 1302, and the memory 1303 may be coupled to each other, for example, via a bus 1304.
  • the communication interface 1301 is used to exchange information with other devices, for example, to support information exchange between the wireless communication device and other devices.
  • the device structure shown in Figure 13 does not constitute a limitation on the wireless communication device.
  • the wireless communication device may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently.
  • the functions implemented by the processing module 1201 can be implemented by the processor 1302 shown in FIG13 calling the program code in the memory 1303 .
  • the present disclosure also provides a computer-readable storage medium (e.g., a non-transitory computer-readable storage medium). Instructions are stored on the computer-readable storage medium, and when the instructions in the computer-readable storage medium are executed by the processor of the computer device, the computer is enabled to perform the wireless communication method provided in the above-mentioned embodiment.
  • the computer-readable storage medium may be a memory 1303 including instructions, and the above instructions may be executed by the processor 1302 of the computer device to complete the above method.
  • the computer-readable storage medium may be a non-transitory computer-readable storage medium, for example, a non-transitory computer-readable storage medium may be a ROM, RAM, CD-ROM, magnetic tape, floppy disk, and optical data storage device, etc.
  • FIG14 schematically shows a conceptual partial view of a computer program product provided by an embodiment of the present disclosure, where the computer program product includes a computer program for executing a computer process on a computing device.
  • Signal-bearing medium 1400 may include one or more program instructions that, when executed by one or more processors, may provide the functionality or portions of the functionality described above with respect to FIG. 4 .
  • one or more features of S401 and S402 may be provided by one or more instructions associated with signal-bearing medium 1400.
  • the program instructions in FIG. 14 also depict example instructions.
  • the signal-bearing medium 1400 may include a computer-readable medium 1401, such as, but not limited to, a hard drive, a compact disc (CD), a digital video disk (DVD), a digital tape, a memory, a read-only memory (ROM), or a random access memory (RAM), and the like.
  • a computer-readable medium 1401 such as, but not limited to, a hard drive, a compact disc (CD), a digital video disk (DVD), a digital tape, a memory, a read-only memory (ROM), or a random access memory (RAM), and the like.
  • the signal-bearing medium 1400 may include a computer-recordable medium 1402, such as, but not limited to, a memory, a read/write (R/W) CD, a R/W DVD, and the like.
  • a computer-recordable medium 1402 such as, but not limited to, a memory, a read/write (R/W) CD, a R/W DVD, and the like.
  • signal bearing medium 1400 may include communication medium 1403 such as, but not limited to, digital and/or analog communication media (eg, fiber optic cables, waveguides, wired communication links, wireless communication links, etc.).
  • communication medium 1403 such as, but not limited to, digital and/or analog communication media (eg, fiber optic cables, waveguides, wired communication links, wireless communication links, etc.).
  • the signal bearing medium 1400 may be conveyed by a wireless form of communication medium 1403.
  • the one or more program instructions may be, for example, computer executable instructions or logic implemented instructions.
  • a wireless communication device such as that described with respect to FIG. 12 can be configured to provide various operations, functions, or actions in response to one or more program instructions in computer-readable media 1401, computer-recordable media 1402, and/or communication media 1403.
  • the disclosed embodiment discloses that after a first node determines a unit of a transmission resource, it can apply a sequence to the transmission resource based on the unit of the transmission resource for uplink transmission. In this way, the first node can use the sequence to expand the transmission resource, thereby improving system capacity.
  • the disclosed devices and methods can be implemented in other ways.
  • the device embodiments described above are merely schematic.
  • the division of modules or units is only a logical function division.
  • Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separate, and the components shown as units may be one physical unit or multiple physical units, that is, they may be located in one place or distributed in multiple different places. Some or all of the units may be selected to achieve the purpose of this embodiment according to actual needs.
  • the functional units in the various embodiments of the present disclosure may be integrated into a single processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit.
  • the aforementioned integrated units may be implemented in the form of hardware or software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a readable storage medium.
  • the technical solution of the embodiment of the present disclosure, or the part that contributes to the relevant technology or the full classification part or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes a number of instructions for enabling a device (which can be a single-chip microcomputer, chip, etc.) or a processor (processor) to execute the full classification part or part of the steps of the various embodiments of the present disclosure.
  • the aforementioned storage medium includes various media that can store program codes, such as a U disk (universal serial bus flash disk), a mobile hard disk, ROM, RAM, a magnetic disk or an optical disk.

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Abstract

La présente divulgation concerne un procédé de communication sans fil, un nœud de communication, un support de stockage et un produit programme d'ordinateur. Le procédé de communication sans fil consiste à : déterminer une unité d'une ressource de transmission ; et sur la base de l'unité de la ressource de transmission, appliquer une séquence à la ressource de transmission de façon à effectuer une transmission de liaison montante.
PCT/CN2024/143089 2024-04-03 2024-12-27 Procédé de communication sans fil, nœud de communication, support de stockage et produit programme d'ordinateur Pending WO2025208963A1 (fr)

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WO2018081982A1 (fr) * 2016-11-03 2018-05-11 华为技术有限公司 Procédé et appareil d'indication de ressource et de transmission de signal de commande de liaison montante
CN108401298A (zh) * 2017-02-07 2018-08-14 上海朗帛通信技术有限公司 一种用于无线通信中的方法和装置
WO2018165987A1 (fr) * 2017-03-17 2018-09-20 Oppo广东移动通信有限公司 Procédé d'émission de liaison montante, appareil, dispositif de terminal, dispositif de réseau d'accès et système
KR20210091818A (ko) * 2018-12-06 2021-07-22 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 데이터 전송 방법, 단말 기기 및 네트워크 기기
CN117480841A (zh) * 2023-09-19 2024-01-30 北京小米移动软件有限公司 确定资源的方法及装置、存储介质

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WO2018081982A1 (fr) * 2016-11-03 2018-05-11 华为技术有限公司 Procédé et appareil d'indication de ressource et de transmission de signal de commande de liaison montante
CN108401298A (zh) * 2017-02-07 2018-08-14 上海朗帛通信技术有限公司 一种用于无线通信中的方法和装置
WO2018165987A1 (fr) * 2017-03-17 2018-09-20 Oppo广东移动通信有限公司 Procédé d'émission de liaison montante, appareil, dispositif de terminal, dispositif de réseau d'accès et système
KR20210091818A (ko) * 2018-12-06 2021-07-22 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 데이터 전송 방법, 단말 기기 및 네트워크 기기
CN117480841A (zh) * 2023-09-19 2024-01-30 北京小米移动软件有限公司 确定资源的方法及装置、存储介质

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