WO2022188008A1 - Procédé et appareil pour déterminer un paramètre de forme d'onde de transmission, et support de stockage - Google Patents

Procédé et appareil pour déterminer un paramètre de forme d'onde de transmission, et support de stockage Download PDF

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Publication number
WO2022188008A1
WO2022188008A1 PCT/CN2021/079601 CN2021079601W WO2022188008A1 WO 2022188008 A1 WO2022188008 A1 WO 2022188008A1 CN 2021079601 W CN2021079601 W CN 2021079601W WO 2022188008 A1 WO2022188008 A1 WO 2022188008A1
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WIPO (PCT)
Prior art keywords
transmission waveform
terminal
state
waveform parameter
determining
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PCT/CN2021/079601
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English (en)
Chinese (zh)
Inventor
牟勤
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北京小米移动软件有限公司
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Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2021/079601 priority Critical patent/WO2022188008A1/fr
Priority to CN202180000733.3A priority patent/CN113170471B/zh
Publication of WO2022188008A1 publication Critical patent/WO2022188008A1/fr

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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a method, a device, and a storage medium for determining transmission waveform parameters.
  • the waveform is a core technology component.
  • 3GPP 3rd Generation Partnership Project
  • OFDM Orthogonal Frequency Division Multiplexing
  • CP-OFDM uplink and downlink Multiplexed waveform
  • DFT-S-OFDM discrete Fourier transform spread spectrum orthogonal frequency division multiplexed waveform
  • CP-OPDM and DFT-S-OFDM can send messages for the terminal during random access process 3 (Msg.3) Transmission waveform used.
  • the transmission waveform parameters corresponding to the transmission waveform used by the Physical Uplink Shared Channel (PUSCH) of Msg.3 are configured by the Remaining Minimum System Information (RMSI).
  • RMSI Remaining Minimum System Information
  • the target of CP-OPDM and DFT-S-OFDM may be a terminal with relatively good coverage, and may also be a terminal requiring coverage enhancement or a reduced capability (Redcap).
  • all terminals use the same waveform configuration parameters, that is, all terminals use the waveform configuration parameters corresponding to CP-OPDM or DFT-S-OFDM, which affects the transmission efficiency or peak-to-average power ratio of some terminals. PAPR).
  • the present disclosure provides a method, device and storage medium for determining transmission waveform parameters.
  • a method for determining transmission waveform parameters is provided, which is applied to a terminal, and the method includes:
  • Receive first indication information where the first indication information is used to indicate a transmission waveform parameter; according to at least one of the state of the terminal and the indication information, determine the transmission waveform parameter used for sending the message; wherein, the The state of the terminal includes at least a first state and a second state, and the terminal in the first state and the terminal in the second state have different performance parameters and/or channel states; wherein, the transmission waveform parameters include at least the first transmission waveform parameters and The second transmission waveform parameter.
  • the channel state includes:
  • the performance parameter includes one of the following:
  • the method further includes:
  • Receive second indication information where the second indication information is used to instruct the terminal to determine the state of the terminal.
  • the second indication information is the first indication information.
  • the first transmission waveform parameter corresponds to a first physical random access channel PRACH set, the first PRACH set corresponds to a first state terminal; the second transmission waveform parameter corresponds to a second PRACH set , the second PRACH set corresponds to the second state terminal.
  • the parameters of the first PRACH set and the second PRACH set are completely different or not identical.
  • the first indication message includes:
  • the indication information for indicating the waveform parameters of the terminal application in the first state and the first indication message include indication information for indicating the waveform parameters of the terminal application in the second state.
  • the method includes:
  • the terminal In response to the terminal being a terminal in the first state, it is determined to receive a first indication message; the first indication message includes indication information used to indicate the transmission waveform parameter applied by the terminal in the first state; the terminal in the second state uses a predefined The transmission waveform parameters;
  • the terminal In response to the terminal being a terminal in the second state, it is determined to receive a first indication message; the first indication message includes indication information for indicating the transmission waveform parameters applied by the terminal in the second state; the terminal in the first state uses a predefined transmission waveform parameters.
  • the transmission waveform parameters included in the first indication message are not identical or completely different from the predefined transmission waveform parameters.
  • the first indication message includes:
  • the number of repeat transmissions configuration used to determine the state of the terminal is the number of repeat transmissions configuration used to determine the state of the terminal.
  • the method includes:
  • a first indication message is received, where the first indication message includes indication information for indicating a transmission waveform parameter used by the terminal in the first state.
  • the method includes:
  • the first transmission waveform parameter is not identical or completely different from the predefined transmission waveform parameter.
  • the first indication message includes:
  • the receiving the first indication message includes:
  • the first transmission waveform parameter in the first indication information is determined as the transmission waveform parameter used for sending the message.
  • the received indication information includes:
  • the predefined transmission waveform parameter is determined as the transmission waveform parameter used for sending the message.
  • a method for determining transmission waveform parameters which is applied to a network side device, and the method includes:
  • the transmission waveform parameter includes at least a first transmission waveform parameter and a second transmission waveform parameter, the first transmission waveform parameter and the second transmission waveform parameter Corresponding terminals in different states; wherein the states of the terminals include at least a first state and a second state, and the terminals in the first state and the terminals in the second state have different performance parameters and/or channel states.
  • the channel state includes:
  • the performance parameter includes one of the following:
  • the method further includes:
  • a first indication message is sent, where the first indication information is used to indicate transmission waveform parameters.
  • the method further includes:
  • Send second indication information where the second indication information is used to instruct the terminal to determine the state of the terminal.
  • the second indication information is the first indication information.
  • the first transmission waveform parameter corresponds to a first physical random access channel PRACH set, the first PRACH set corresponds to a first state terminal; the second transmission waveform parameter corresponds to a second PRACH set , the second PRACH set corresponds to the second state terminal.
  • the parameters of the first PRACH set and the second PRACH set are completely different or not identical.
  • the first indication message includes:
  • the indication information for indicating the waveform parameters of the terminal application in the first state and the first indication message include indication information for indicating the waveform parameters of the terminal application in the second state.
  • the first indication message includes:
  • the number of repeat transmissions configuration used to determine the state of the terminal is the number of repeat transmissions configuration used to determine the state of the terminal.
  • the first indication message includes:
  • an apparatus for determining transmission waveform parameters which is applied to a terminal, and the apparatus includes:
  • a receiving module configured to receive first indication information, where the first indication information is used to indicate a transmission waveform parameter
  • a determining module configured to determine whether to send a signal according to at least one of the state of the terminal and the indication information Transmission waveform parameters used by the message; wherein, the state of the terminal includes at least a first state and a second state, and the terminal in the first state and the terminal in the second state have different performance parameters and/or channel states; wherein, the transmission The waveform parameters include at least a first transmission waveform parameter and a second transmission waveform parameter.
  • the channel state includes:
  • the performance parameter includes one of the following:
  • the receiving module is also used for:
  • Receive second indication information where the second indication information is used to instruct the terminal to determine the state of the terminal.
  • the second indication information is the first indication information.
  • the first transmission waveform parameter corresponds to a first physical random access channel PRACH set, the first PRACH set corresponds to a first state terminal; the second transmission waveform parameter corresponds to a second PRACH set , the second PRACH set corresponds to the second state terminal.
  • the parameters of the first PRACH set and the second PRACH set are completely different or not identical.
  • the first indication message includes:
  • the indication information for indicating the waveform parameters of the terminal application in the first state and the first indication message include the indication information for indicating the waveform parameters of the terminal application in the second state.
  • the determining module is used to:
  • the terminal In response to the terminal being a terminal in the first state, it is determined to receive a first indication message; the first indication message includes indication information used to indicate the transmission waveform parameter applied by the terminal in the first state; the terminal in the second state uses a predefined The transmission waveform parameters;
  • the terminal In response to the terminal being a terminal in the second state, it is determined to receive a first indication message; the first indication message includes indication information for indicating the transmission waveform parameters applied by the terminal in the second state; the terminal in the first state uses a predefined transmission waveform parameters.
  • the transmission waveform parameters included in the first indication message are not identical or completely different from the predefined transmission waveform parameters.
  • the first indication message includes:
  • the number of repeat transmissions configuration used to determine the state of the terminal is the number of repeat transmissions configuration used to determine the state of the terminal.
  • the determining module is used to:
  • a first indication message is received, where the first indication message includes indication information for indicating a transmission waveform parameter used by the terminal in the first state.
  • the determining module is used to:
  • the first transmission waveform parameter is not identical or completely different from the predefined transmission waveform parameter.
  • the first indication message includes:
  • the determining module is used to:
  • the first transmission waveform parameter in the first indication information is determined as the transmission waveform parameter used for sending the message.
  • the determining module is used to:
  • the predefined transmission waveform parameter is determined as the transmission waveform parameter used for sending the message.
  • an apparatus for determining a transmission waveform parameter which is applied to a network side device, the apparatus comprising:
  • a determining module for determining at least one transmission waveform parameter; a sending module for sending the at least one transmission waveform parameter; wherein the transmission waveform parameter at least includes a first transmission waveform parameter and a second transmission waveform parameter, the first transmission waveform parameter A transmission waveform parameter and a second transmission waveform parameter correspond to terminals in different states; wherein, the states of the terminal include at least a first state and a second state, and the first state terminal and the second state terminal have different performance parameters and/or or channel status.
  • the channel state includes:
  • the performance parameter includes one of the following:
  • the sending module is also used for:
  • a first indication message is sent, where the first indication information is used to indicate transmission waveform parameters.
  • the sending module is also used for:
  • Send second indication information where the second indication information is used to instruct the terminal to determine the state of the terminal.
  • the second indication information is the first indication information.
  • the first transmission waveform parameter corresponds to a first physical random access channel PRACH set, the first PRACH set corresponds to a first state terminal; the second transmission waveform parameter corresponds to a second PRACH set , the second PRACH set corresponds to the second state terminal.
  • the parameters of the first PRACH set and the second PRACH set are completely different or not identical.
  • the first indication message includes:
  • the indication information for indicating the waveform parameters of the terminal application in the first state and the first indication message include indication information for indicating the waveform parameters of the terminal application in the second state.
  • the first indication message includes:
  • the number of repeat transmissions configuration used to determine the state of the terminal is the number of repeat transmissions configuration used to determine the state of the terminal.
  • the first indication message includes:
  • an apparatus for determining transmission waveform parameters including:
  • processor configured to: execute the first aspect or the method for determining transmission waveform parameters described in any implementation manner of the first aspect, or execute the first aspect The transmission waveform parameter determination method described in the second aspect or any one of the implementation manners of the second aspect.
  • a non-transitory computer-readable storage medium which enables the mobile terminal to execute the first aspect or the first aspect when instructions in the storage medium are executed by a processor of a mobile terminal.
  • the technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: by configuring different transmission waveform parameters for terminals in different states, the PAPR required by the terminals with poor coverage can be guaranteed, and the PAPR required by the terminals with poor coverage can also be guaranteed.
  • the transmission efficiency of the terminal by configuring different transmission waveform parameters for terminals in different states, the PAPR required by the terminals with poor coverage can be guaranteed, and the PAPR required by the terminals with poor coverage can also be guaranteed.
  • FIG. 1 is an architectural diagram of a communication system between a network device and a terminal according to an exemplary embodiment.
  • Fig. 2 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 3 is a flowchart of a method for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 4 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 5 is a flowchart of a method for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 6 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 7 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 8 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 9 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 10 is a flowchart illustrating a method for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 11 is a flowchart illustrating a method for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 12 is a flowchart showing a method for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 13 is a block diagram of an apparatus for determining transmission waveform parameters according to an exemplary embodiment.
  • Fig. 14 is a block diagram of an apparatus for determining a transmission waveform parameter according to an exemplary embodiment.
  • Fig. 15 is a block diagram of an apparatus for determining transmission waveform parameters according to an exemplary embodiment.
  • Fig. 16 is a block diagram of an apparatus for determining transmission waveform parameters according to an exemplary embodiment.
  • FIG. 1 is an architectural diagram of a communication system between a network device and a terminal according to an exemplary embodiment.
  • the method for determining transmission waveform parameters provided by the present disclosure can be applied to the communication system architecture diagram shown in FIG. 1 .
  • the network side device may send signaling based on the architecture shown in FIG. 1 .
  • the communication system between the network device and the terminal shown in FIG. 1 is only a schematic illustration, and the wireless communication system may also include other network devices, such as core network devices, wireless relay devices, and wireless backhaul devices. Transmission equipment, etc., are not shown in Figure 1.
  • the embodiments of the present disclosure do not limit the number of network devices and the number of terminals included in the wireless communication system.
  • the wireless communication system is a network that provides a wireless communication function.
  • Wireless communication systems can use different communication technologies, such as code division multiple access (CDMA), wideband code division multiple access (WCDMA), time division multiple access (TDMA) , frequency division multiple access (frequency division multiple access, FDMA), orthogonal frequency division multiple access (orthogonal frequency-division multiple access, OFDMA), single carrier frequency division multiple access (single Carrier FDMA, SC-FDMA), carrier sense Carrier Sense Multiple Access with Collision Avoidance.
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency division multiple access
  • single carrier frequency division multiple access single Carrier FDMA, SC-FDMA
  • carrier sense Carrier Sense Multiple Access with Collision Avoidance CDMA
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA time division multiple access
  • OFDMA orthogonal
  • the network can be divided into 2G (English: generation) network, 3G network, 4G network or future evolution network, such as 5G network, 5G network can also be called a new wireless network ( New Radio, NR).
  • 2G International: generation
  • 3G network 4G network or future evolution network, such as 5G network
  • 5G network can also be called a new wireless network ( New Radio, NR).
  • New Radio New Radio
  • the present disclosure will sometimes refer to a wireless communication network simply as a network.
  • the wireless access network equipment may be: a base station, an evolved node B (base station), a home base station, an access point (AP) in a wireless fidelity (WIFI) system, a wireless relay A node, a wireless backhaul node, a transmission point (TP) or a transmission and reception point (TRP), etc., can also be a gNB in an NR system, or can also be a component or part of a device that constitutes a base station Wait.
  • the network device may also be an in-vehicle device. It should be understood that, in the embodiments of the present disclosure, the specific technology and specific device form adopted by the network device are not limited.
  • the terminal involved in the present disclosure may also be referred to as terminal equipment, user equipment (User Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal, MT), etc.
  • a device that provides voice and/or data connectivity for example, a terminal may be a handheld device with wireless connectivity, a vehicle-mounted device, or the like.
  • some examples of terminals are: Smartphone (Mobile Phone), Pocket Personal Computer (PPC), PDA, Personal Digital Assistant (PDA), notebook computer, tablet computer, wearable device, or Vehicle equipment, etc.
  • the terminal device may also be an in-vehicle device. It should be understood that the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the terminal.
  • MTC and NB-IoT In the communication system, for scenarios such as low-rate and high-latency (such as meter reading, environmental monitoring, etc.) in the Internet of Things business, two related technologies are proposed: MTC and NB-IoT.
  • MTC can support a maximum rate of several hundred K
  • MTC can support a maximum rate of several M.
  • a rate of tens to 100 M is generally required, and the requirements for delay are relatively increased. Therefore, in the communication system, the two major technologies of MTC and NB-IoT can no longer meet the requirements of the current Internet of Things business.
  • Redcap terminals generally need to meet the requirements of low cost, low complexity, a certain degree of coverage enhancement, and power saving.
  • the new air interface communication technology is designed for high-end terminals such as high-speed and low-latency, and cannot meet the above requirements of NR-lite. Therefore, it is necessary to transform the current new air interface communication technology to meet the above requirements of NR-lite.
  • the radio frequency (RF) bandwidth of the NR IoT can be limited (for example, limited to 5MHz or 10MHz; or the buffer size of NR-lite) can be limited, thereby limiting each The size of the second receive transport block, etc.
  • the communication process can be simplified to reduce the number of times that the Redcap terminal detects the downlink control channel, and the like.
  • the waveform is a core technology component.
  • 3GPP chose to expand the use of frequency division multiplexing technology OFDM, while adding CP-OFDM and DFT-s-OFDM for the new generation of communication technologies in the uplink and downlink.
  • the CP-OPDM waveform is mainly used to obtain higher throughput, For example, for cell center users.
  • DFT-s-OFDM is mainly used in power-constrained scenarios to obtain lower PARP.
  • CP-OPDM and DFT-s-OFDM can transmit the transmission waveform used by Msg.3 for the terminal in the random access process.
  • the transmission waveform parameter corresponding to the transmission waveform used by the PUSCH of Msg.3 is configured by RMSI, which is a common message.
  • the Msg.3 of all terminals in the cell use the same transmission waveform.
  • whether the terminal's Msg.3 uses DFT-s-OFDM needs to be activated by RMSI.
  • a coverage enhancement function is introduced, and a terminal can perform uplink coverage enhancement through full power repetition (repetition).
  • the Redcap terminal is also introduced. Due to the limitation of the form of the Redcap terminal, there will be a loss of 3db wire efficiency (antenna efficiency). At this time, in the case of poor sub-coverage, full-power transmission or full-power repeated transmission is also required.
  • the target of CP-OPDM and DFT-s-OFDM may be a terminal with relatively good coverage, and may also be a terminal or Redcap terminal that needs coverage enhancement. Because, the transmission waveform parameters that are commonly configured in RMSI will no longer match the channel configuration of the terminal.
  • an implementation manner is to configure transmission waveform parameters corresponding to DFT-s-OFDM in RMSI, and all terminals use DFT-s-OFDM to send Msg.3.
  • This embodiment is relatively conservative, and in this case, the transmission efficiency (SE) of the terminal with better channel condition will be lost.
  • An implementation manner is to configure transmission waveform parameters corresponding to CP-OPDM in RMSI, and all terminals use CP-OPDM to send Msg.3.
  • This embodiment is relatively radical, and at this time, the PAPR of the terminal that needs to perform coverage enhancement will be very high.
  • the present disclosure provides a method for determining transmission waveform parameters.
  • Different transmission waveform parameters are configured for different coverage enhancement terminals, and different types of terminals can send Msg.3 based on different transmission waveforms. That is, for a terminal with normal coverage, the transmission waveform parameters corresponding to CP-OPDM are configured, and for a terminal that needs coverage enhancement, the transmission waveform parameters corresponding to DFT-s-OFDM are configured.
  • the method can ensure the PAPR required by the terminal with poor coverage, and can also ensure the transmission efficiency of the terminal with better coverage.
  • Fig. 2 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment. This embodiment may be implemented independently or in conjunction with any one or more of the embodiments of the present disclosure. As shown in FIG. 2 , the method for determining transmission waveform parameters is used in a terminal, and includes the following steps.
  • step S11 the first indication information is received.
  • the first indication information is used to indicate a transmission waveform parameter.
  • the transmission waveform parameters include at least a first transmission waveform parameter and a second transmission waveform parameter.
  • the transmission waveform parameters are at least transmission waveform parameters corresponding to CP-OPDM and transmission waveform parameters corresponding to DFT-s-OFDM.
  • step S12 according to at least one of the state of the terminal and the indication information, the transmission waveform parameters used for sending the message are determined.
  • the state of the terminal includes at least a first state and a second state, and the terminal in the first state and the terminal in the second state have different performance parameters and/or channel states.
  • the terminal in the first state indicates that the state of the terminal is the first state
  • the terminal in the second state indicates that the state of the terminal is the second state.
  • the first state is a normal capability state
  • the terminal in the first state is a terminal with normal capability.
  • the second state is a low-capability state
  • the terminal in the second state is a terminal having a low-capability state.
  • this is only an example, and not a specific limitation to the first state and the second state in the present disclosure.
  • the terminal can ensure the PAPR required by the terminal with poor coverage when sending a message, and can also ensure the coverage Better terminal transmission efficiency.
  • the state of the terminal may be a reference signal measurement value, in other words, the first state terminal and the second state terminal have different reference signal measurement values.
  • the reference signal measurement value may be reference signal received power (Reference Signal Receiving Power, RSRP).
  • the performance parameter of the terminal may be one of the following:
  • the terminal in the first state and the terminal in the second state may be terminals of different types; alternatively, the terminal in the first state and the terminal in the second state may be terminals of different versions; or the terminal in the first state and the terminal in the second state may be different functional terminal.
  • Fig. 3 is a flowchart of a method for determining a transmission waveform parameter according to an exemplary embodiment. This embodiment may be implemented independently or in conjunction with any one or more of the embodiments of the present disclosure. As shown in FIG. 3 , the method for determining transmission waveform parameters is used in a terminal, and includes the following steps.
  • step S21 the second indication information is received.
  • the second indication information is used to instruct the terminal to determine the state of the terminal.
  • the terminal performs channel state measurement based on the second indication message sent by the network side, determines the reference signal measurement value, and further determines the state of the terminal itself based on the reference signal measurement value.
  • the second indication message may be an indication message different from the first indication message, that is, the message used by the network side device to instruct the transmission waveform parameter is different from the message used to instruct the terminal to determine the state of the terminal.
  • the second indication message may also be the same indication information as the first indication message, that is, the message used by the network side device to instruct the transmission waveform parameter and the message used to instruct the terminal to determine the state of the terminal in the same instruction message.
  • the correspondence between the transmission waveform parameter, the physical random access channel (Physical Random Access Channel, PRACH) set and the state of the terminal may be the following correspondence:
  • the first transmission waveform parameter corresponds to the first PRACH set, and the first PRACH set corresponds to the first state terminal.
  • the second transmission waveform parameter corresponds to the second PRACH set, and the second PRACH set corresponds to the second state terminal.
  • the parameters of the first PRACH set and the second PRACH set are completely different or not identical.
  • the first indication message includes: indication information for indicating the waveform parameters of the terminal application in the first state, and indication information for indicating the waveform parameters of the terminal application in the second state.
  • the terminal may receive the first indication message based on the RSMI.
  • the first transmission waveform parameter corresponds to the first PRACH set
  • the first PRACH set corresponds to the terminal in the first state
  • the second transmission waveform parameter corresponds to the second PRACH set
  • the second PRACH set corresponds to the correspondence between the terminals in the second state
  • the terminal determines to report Msg.1 in the corresponding PRACH set according to its own state
  • the network determines the transmission waveform parameters used by the terminal to send messages subsequently according to the received Msg.1.
  • the subsequent sending of the message may be sending Msg.3.
  • the terminal determines its own state according to the range of RSRP, the terminal sends Msg.1 in the corresponding PRACH resource according to its own state, and the network side device can determine the terminal to send Msg.1 subsequently based on the received Msg.1.
  • each element in Table 1 exists independently, and these elements are exemplarily listed in the same table, but it does not mean that all elements in the table must exist simultaneously as shown in the table.
  • the value of each element is independent of any other element value in Table 1. Therefore, those skilled in the art can understand that the value of each element in Table 1 is an independent embodiment.
  • the first indication message may further include transmission waveform parameter indication information used by the terminal in one of multiple terminal states.
  • the terminal may receive the first indication message based on the RMSI message, and based on the indication information included in the first indication message, determine the transmission waveform parameters applied by the terminal in one of the states, while the terminals in other states use the predefined transmission waveform parameters .
  • the first indication message is used to indicate the indication information of the transmission waveform parameter applied by the terminal, which may be for the terminal in the first state, or may be for the terminal in the second state.
  • an embodiment of the present disclosure also proposes a method for determining a transmission waveform parameter, including: determining a state of a terminal, and determining, according to the state of the terminal, a method used by the terminal for transmission Transfer waveform parameters.
  • the transmission waveform parameters include at least a first transmission waveform parameter and a second transmission waveform parameter.
  • the transmission waveform parameters may include: transmission waveform parameters corresponding to CP-OPDM and transmission waveform parameters corresponding to DFT-s-OFDM.
  • Fig. 4 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment. This embodiment may be implemented independently or in conjunction with any one or more of the embodiments of the present disclosure. As shown in FIG. 4 , the method for determining transmission waveform parameters is used in a terminal, and includes the following steps.
  • step S31 in response to the terminal being the terminal in the first state, a first indication message is determined.
  • the first indication message includes indication information for indicating the transmission waveform parameters of the terminal application in the first state.
  • the terminal receives the RSMI message and determines the indication information in the first indication message that indicates the transmission waveform parameter applied by the terminal in the first state, and in response to the terminal being the terminal in the first state, determines to receive the first indication message, and determines to use the first indication message. Transfer waveform parameters.
  • the terminal in the second state uses predefined transmission waveform parameters.
  • the predefined transmission waveform parameters may be default transmission waveform parameters set in the terminal or determined through a communication protocol.
  • the first indication message only indicates the transmission waveform parameter of one type of terminal; the terminal corresponding to the type indicated by the first indication message uses the transmission waveform parameter, while the other types of terminals use the default transmission waveform parameter.
  • the terminal in the first state is a terminal under normal coverage
  • the first indication message includes indication information indicating a transmission waveform parameter applied by the terminal in the first state.
  • the terminal in the second state is a terminal that needs to perform coverage enhancement.
  • Fig. 5 is a flowchart of a method for determining a transmission waveform parameter according to an exemplary embodiment. This embodiment may be implemented independently or in conjunction with any one or more of the embodiments of the present disclosure. As shown in FIG. 5 , the method for determining transmission waveform parameters is used in a terminal, and includes the following steps.
  • step S41 in response to the terminal being the terminal in the second state, a first indication message is determined.
  • the first indication message includes indication information for indicating the transmission waveform parameters of the terminal application in the second state.
  • the terminal receives the RSMI message and determines the indication information in the first indication message that indicates the transmission waveform parameter applied by the terminal in the second state, and in response to the terminal being the terminal in the second state, determines to receive the first indication message, and determines to use the first indication message. Transfer waveform parameters.
  • the terminal in the first state in response to the terminal being the terminal in the first state, it is determined that the terminal in the first state uses predefined transmission waveform parameters.
  • the predefined transmission waveform parameters may be default transmission waveform parameters set in the terminal or determined through a communication protocol.
  • the first indication message only indicates the transmission waveform parameter of one type of terminal; the terminal corresponding to the type indicated by the first indication message uses the transmission waveform parameter, while the other types of terminals use the default transmission waveform parameter.
  • the terminal in the first state is a terminal in normal coverage
  • the terminal in the second state is a terminal in need of coverage enhancement.
  • the first indication message includes indication information for indicating the transmission waveform parameter used by the terminal under normal coverage
  • the transmission waveform parameter may be the transmission waveform parameter corresponding to CP-OFDM.
  • a terminal that needs to perform coverage enhancement uses predefined transmission waveform parameters, and the predefined transmission waveform parameters may be transmission waveform parameters corresponding to DFT-s-OFDM.
  • the terminal may receive the first indication message based on the RSMI.
  • the first transmission waveform parameter corresponds to the first PRACH set
  • the first PRACH set corresponds to the terminal in the first state
  • the second transmission waveform parameter corresponds to the second PRACH set
  • the second PRACH set The set corresponds to the correspondence between terminals in the second state
  • the terminal determines to report Msg.1 in the corresponding PRACH set according to its own state
  • the network determines the transmission waveform parameters used by the terminal to send messages subsequently according to the received Msg.1.
  • the subsequent sending of the message may be sending Msg.3.
  • the terminal determines its own state according to the range of RSRP, the terminal sends Msg.1 in the corresponding PRACH resource according to its own state, and the network side device can determine the terminal to send Msg.1 subsequently based on the received Msg.1.
  • each element in Table 2 exists independently, and these elements are exemplarily listed in the same table, but it does not mean that all elements in the table must exist simultaneously as shown in the table.
  • the value of each element is independent of any other element value in Table 2. Therefore, those skilled in the art can understand that the value of each element in Table 2 is an independent embodiment.
  • the transmission waveform parameters included in the first indication message are not identical or completely different from the predefined transmission waveform parameters.
  • the first indication message may include a repeated transmission times configuration for determining the state of the terminal.
  • the terminal determines the state of the terminal itself according to the received first indication message.
  • the state of the terminal itself is to determine to use repeated transmission or to determine not to use repeated transmission.
  • a terminal that does not use repeated transmission is referred to as a terminal in the first state
  • a terminal that uses repeated transmission is referred to as a terminal in the second state.
  • Fig. 6 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment. This embodiment may be implemented independently or in conjunction with any one or more of the embodiments of the present disclosure. As shown in FIG. 6 , the method for determining transmission waveform parameters is used in a terminal, and includes the following steps.
  • step S51 in response to the terminal being the terminal in the first state, the transmission waveform parameter is determined according to the first indication message.
  • the terminal receives the RMSI message and determines the first indication message, where the first indication message includes indication information used to indicate the transmission waveform parameter used by the terminal in the first state. It is further determined according to the repeated transmission times configuration in the first indication message that the terminal does not use repeated transmission, that is, it is determined that the terminal is a terminal in the first state.
  • the terminal in the first state determines to use the transmission waveform parameters in the first indication message when subsequently sending Msg.3.
  • the transmission waveform parameter in the first indication message corresponds to CP-OFDM.
  • Fig. 7 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment. This embodiment may be implemented independently or in conjunction with any one or more of the embodiments of the present disclosure. As shown in FIG. 7 , the method for determining transmission waveform parameters is used in a terminal, and includes the following steps.
  • step S61 in response to the terminal being the terminal in the second state, it is determined to use predefined transmission waveform parameters.
  • the terminal receives the RMSI message and determines the first indication message, where the first indication message includes indication information used to indicate the transmission waveform parameter used by the terminal in the first state. It is further determined according to the repeated transmission times configuration in the first indication message that the terminal adopts repeated transmission, that is, it is determined that the terminal is a terminal in the second state. Make sure to use the predefined transmission waveform parameters when sending Msg.3 subsequently.
  • the predefined transmission waveform parameters correspond to DFT-s-OFDM.
  • the first transmission waveform parameter is not completely or completely different from the predefined transmission waveform parameter.
  • the first indication message may further include an information field for indicating whether to enable the first transmission waveform parameter.
  • the information field may be 1 bit.
  • the value of the information field is 1, indicating that the first transmission waveform parameter is enabled.
  • the value of the information field is 0, indicating that the first transmission waveform parameter is not enabled.
  • the value of the information field may also be 0, indicating that the first transmission waveform parameter is enabled.
  • the value of the information field is 1, indicating that the first transmission waveform parameter is not enabled. There is no specific limitation here.
  • step S51 and the step S61 may be implemented together; that is, in response to the terminal being the terminal in the first state, the first transmission waveform parameter in the first indication information is determined as the transmission waveform parameter used for transmission ; In response to the terminal being the terminal in the second state, determine to use the predefined transmission waveform parameters.
  • the execution subject of step S51 and step S61 may be either the first state terminal or the second state terminal. That is, the first indication information only indicates the transmission waveform parameters used by the terminal in the first state, then the terminal in the second state uses the default transmission waveform parameters, and the terminal in the first state uses the transmission waveform parameters indicated by the first indication information .
  • the terminal in the first state is a terminal under normal coverage
  • the first indication message includes indication information indicating a transmission waveform parameter applied by the terminal in the first state.
  • the terminal in the second state is a terminal that needs to perform coverage enhancement.
  • the terminal in the first state is a terminal that needs to perform coverage enhancement.
  • the terminal in the second state is a normally covered terminal.
  • Fig. 8 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment. This embodiment may be implemented independently or in conjunction with any one or more of the embodiments of the present disclosure. As shown in FIG. 7 , the method for determining transmission waveform parameters is used in a terminal, and includes the following steps.
  • step S71 in response to the information field indicating that the first transmission waveform parameter is enabled, the first transmission waveform parameter in the first indication information is determined as the transmission waveform parameter used for sending the message.
  • the terminal receives the first indication message based on the RMSI, and determines an information field in the first indication information for indicating whether to enable the first transmission waveform parameter, and in response to the information field indicating that the first transmission waveform parameter is enabled (for example, The value of the information field is 1), and it is determined that the first transmission waveform parameter in the first indication information is determined as the transmission waveform parameter used for sending the message.
  • an information field in the first indication information for indicating whether to enable the first transmission waveform parameter, and in response to the information field indicating that the first transmission waveform parameter is enabled (for example, The value of the information field is 1), and it is determined that the first transmission waveform parameter in the first indication information is determined as the transmission waveform parameter used for sending the message.
  • Fig. 9 is a flow chart of a method for determining a transmission waveform parameter according to an exemplary embodiment. This embodiment may be implemented independently or in conjunction with any one or more of the embodiments of the present disclosure. As shown in FIG. 9 , the method for determining transmission waveform parameters is used in a terminal, and includes the following steps.
  • step S81 in response to the information field indicating that the first transmission waveform parameter is not enabled, the predefined transmission waveform parameter is determined as the transmission waveform parameter used for sending the message.
  • the terminal receives the first indication message based on the RMSI, and determines that the first indication information includes an information field for indicating whether to enable the first transmission waveform parameter, and in response to the information field indicating that the first transmission waveform parameter is not to be enabled (For example, the value of the information field is 0), it is determined that the predefined transmission waveform parameter is determined as the transmission waveform parameter used for sending the message.
  • the step S71 and the step S81 may be implemented together; that is, in response to the information field indicating that the first transmission waveform parameter is enabled, the first transmission waveform parameter in the first indication information is determined to be used for transmission The transmission waveform parameter used; in response to the information field indicating that the first transmission waveform parameter is not enabled, the predefined transmission waveform parameter is determined as the transmission waveform parameter used for sending the message.
  • the execution subject of step S71 and step S81 may be either the first state terminal or the second state terminal.
  • the terminal in the first state is a terminal under normal coverage
  • the first indication message includes indication information indicating a transmission waveform parameter applied by the terminal in the first state.
  • the terminal in the second state is a terminal that needs to perform coverage enhancement.
  • the terminal in the first state is a terminal that needs to perform coverage enhancement.
  • the terminal in the second state is a normally covered terminal.
  • the embodiments of the present disclosure also provide a method for determining transmission waveform parameters.
  • Fig. 10 is a flowchart illustrating a method for determining a transmission waveform parameter according to an exemplary embodiment. This embodiment may be implemented independently or in conjunction with any one or more of the embodiments of the present disclosure. As shown in FIG. 10 , the method for determining transmission waveform parameters is used in a network-side device, and includes the following steps.
  • step S91 at least one transmission waveform parameter is determined.
  • the transmission waveform parameters include at least a first transmission waveform parameter and a second transmission waveform parameter.
  • the transmission waveform parameters are at least transmission waveform parameters corresponding to CP-OPDM and transmission waveform parameters corresponding to DFT-s-OFDM.
  • step S92 at least one transmission waveform parameter is sent.
  • the first transmission waveform parameters and the second transmission waveform parameters correspond to terminals in different states.
  • the state of the terminal includes at least a first state and a second state, and the terminal in the first state and the terminal in the second state have different performance parameters and/or channel states.
  • the terminal in the first state indicates that the state of the terminal is the first state
  • the terminal in the second state indicates that the state of the terminal is the second state.
  • the first state is a normal capability state
  • the terminal in the first state is a terminal with normal capability.
  • the second state is a low-capability state
  • the terminal in the second state is a terminal having a low-capability state.
  • this is only an example, and not a specific limitation to the first state and the second state in the present disclosure.
  • the terminal can ensure the PAPR required by the terminal with poor coverage when sending a message, and can also ensure The transmission efficiency of the terminal with better coverage.
  • the channel state may be a reference signal measurement value, in other words, the first state terminal and the second state terminal have different reference signal measurement values.
  • the reference signal measurement value may be reference signal received power (Reference Signal Receiving Power, RSRP).
  • the performance parameter may be one of the following:
  • the terminal in the first state and the terminal in the second state may be terminals of different types; alternatively, the terminal in the first state and the terminal in the second state may be terminals of different versions; or the terminal in the first state and the terminal in the second state may be different functional terminal.
  • Fig. 11 is a flowchart illustrating a method for determining a transmission waveform parameter according to an exemplary embodiment. This embodiment may be implemented independently or in conjunction with any one or more of the embodiments of the present disclosure. As shown in FIG. 11 , the method for determining transmission waveform parameters is used in a network-side device, and includes the following steps.
  • step S101 a first indication message is sent.
  • the network side device may send the first indication message based on the RSMI.
  • the first indication message is used to indicate the transmission waveform parameter.
  • the first indication message may indicate at least one transmission waveform parameter.
  • Fig. 12 is a flowchart showing a method for determining a transmission waveform parameter according to an exemplary embodiment. This embodiment may be implemented independently or in conjunction with any one or more of the embodiments of the present disclosure. As shown in FIG. 12 , the method for determining transmission waveform parameters is used in a network-side device, and includes the following steps.
  • step S111 the second indication information is sent.
  • the second indication information is used to instruct the terminal to determine the state of the terminal.
  • the terminal performs channel state measurement based on the second indication message sent by the network side device, determines the reference signal measurement value, and further determines the state of the terminal itself based on the reference signal measurement value.
  • the second indication message may be an indication message different from the first indication message, that is, the message used by the network side to instruct the transmission waveform parameter is different from the message used to instruct the terminal to determine the state of the terminal.
  • the second indication message may also be the same indication information as the first indication message, that is, the message used by the network side device to instruct the transmission waveform parameter and the message used to instruct the terminal to determine the state of the terminal in the same instruction message.
  • the correspondence between the transmission waveform parameter, the physical random access channel (Physical Random Access Channel, PRACH) set and the state of the terminal may be the following correspondence:
  • the first transmission waveform parameter corresponds to the first PRACH set, and the first PRACH set corresponds to the first state terminal.
  • the second transmission waveform parameter corresponds to the second PRACH set, and the second PRACH set corresponds to the second state terminal.
  • the parameters of the first PRACH set and the second PRACH set are completely different or not identical.
  • the first indication message includes indication information for indicating the waveform parameters of the terminal application in the first state, and indication information for indicating the waveform parameters of the terminal application in the second state.
  • the terminal may receive the first indication message based on the RSMI.
  • the first transmission waveform parameter corresponds to the first PRACH set
  • the first PRACH set corresponds to the terminal in the first state
  • the second transmission waveform parameter corresponds to the second PRACH set
  • the second PRACH set The set corresponds to the correspondence between terminals in the second state
  • the terminal determines to report Msg.1 in the corresponding PRACH set according to its own state
  • the network determines the transmission waveform parameters used by the terminal to send messages subsequently according to the received Msg.1.
  • the subsequent sending of the message may be sending Msg.3.
  • the terminal determines its own state according to the range of RSRP, the terminal sends Msg.1 in the corresponding PRACH resource according to its own state, and the network side device can determine the received Msg.1 The terminal subsequently sends the transmission waveform used by Msg.3.
  • an embodiment of the present disclosure also proposes a method for determining a transmission waveform parameter, including: determining a state of a terminal, and determining, according to the state of the terminal, a method used by the terminal for transmission Transfer waveform parameters.
  • the transmission waveform parameters include at least a first transmission waveform parameter and a second transmission waveform parameter.
  • the transmission waveform parameters may include: transmission waveform parameters corresponding to CP-OPDM and transmission waveform parameters corresponding to DFT-s-OFDM.
  • the first indication message may further include transmission waveform parameter indication information used by the terminal in one of multiple terminal states.
  • the terminal may receive the first indication message based on the RMSI message, and based on the indication information included in the first indication message, determine the transmission waveform parameters applied by the terminal in one of the states, and the terminals in the other states use the predefined transmission waveform parameters .
  • the first indication message is used to indicate the indication information of the transmission waveform parameter applied by the terminal, which may be for the terminal in the first state, or may be for the terminal in the second state.
  • the first indication message includes indication information for indicating the transmission waveform parameters of the terminal application in the first state.
  • the terminal receives the RSMI message and determines the indication information in the first indication message that indicates the transmission waveform parameter applied by the terminal in the first state, and in response to the terminal being the terminal in the first state, determines to receive the first indication message, and determines to use the first indication message. Transfer waveform parameters. In response to the terminal being the terminal in the second state, it is determined that the terminal in the second state uses the predefined transmission waveform parameters.
  • the terminal in the second state uses predefined transmission waveform parameters.
  • the predefined transmission waveform parameters may be default transmission waveform parameters set in the terminal or determined through a communication protocol.
  • the first indication message only indicates the transmission waveform parameter of one type of terminal; the terminal corresponding to the type indicated by the first indication message uses the transmission waveform parameter, while the other types of terminals use the default transmission waveform parameter.
  • the terminal in the first state is a terminal under normal coverage
  • the first indication message includes indication information indicating a transmission waveform parameter applied by the terminal in the first state.
  • the terminal in the second state is a terminal that needs to perform coverage enhancement.
  • the first indication message includes indication information for indicating the transmission waveform parameters of the terminal application in the second state.
  • the terminal receives the RSMI message and determines the indication information in the first indication message that indicates the transmission waveform parameter applied by the terminal in the second state, and in response to the terminal being the terminal in the second state, determines to receive the first indication message, and determines to use the first indication message. Transfer waveform parameters.
  • the terminal in the first state in response to the terminal being the terminal in the first state, it is determined that the terminal in the first state uses predefined transmission waveform parameters.
  • the predefined transmission waveform parameters may be default transmission waveform parameters set in the terminal or determined through a communication protocol.
  • the first indication message only indicates the transmission waveform parameter of one type of terminal; the terminal corresponding to the type indicated by the first indication message uses the transmission waveform parameter, while the other types of terminals use the default transmission waveform parameter.
  • the terminal in the first state is a terminal in normal coverage
  • the terminal in the second state is a terminal in need of coverage enhancement.
  • the first indication message includes indication information for indicating the transmission waveform parameter used by the terminal under normal coverage, and the transmission waveform parameter may be the transmission waveform parameter corresponding to CP-OFDM.
  • a terminal that needs to perform coverage enhancement uses predefined transmission waveform parameters, and the predefined transmission waveform parameters may be transmission waveform parameters corresponding to DFT-s-OFDM.
  • the network side device may send the first indication message based on the RSMI.
  • the first transmission waveform parameter corresponds to the first PRACH set
  • the first PRACH set corresponds to the terminal in the first state
  • the second transmission waveform parameter corresponds to the second PRACH set
  • the second PRACH set corresponds to the correspondence between the terminals in the second state relationship
  • the terminal determines to report Msg.1 in the corresponding PRACH set according to its own state.
  • the network determines, according to the received Msg.1, transmission waveform parameters used by the terminal to send messages subsequently, and sends the first indication message. Wherein, the subsequent sending of the message may be sending Msg.3.
  • the terminal determines its own state according to the range of RSRP, the terminal sends Msg. Determine the transmission waveform used by the terminal to send Msg.3 subsequently.
  • the transmission waveform parameters included in the first indication message are not identical or completely different from the predefined transmission waveform parameters.
  • the first indication message may further include a repeated transmission times configuration for determining the state of the terminal.
  • the terminal determines the state of the terminal itself according to the received first indication message.
  • the state of the terminal itself is to determine to use repeated transmission or to determine not to use repeated transmission.
  • a terminal that does not use repeated transmission is referred to as a terminal in the first state
  • a terminal that uses repeated transmission is referred to as a terminal in the second state.
  • the terminal receives the RMSI message and determines the first indication message, where the first indication message includes indication information used to indicate the transmission waveform parameter used by the terminal in the first state. It is further determined according to the repeated transmission times configuration in the first indication message that the terminal does not use repeated transmission, that is, it is determined that the terminal is a terminal in the first state.
  • the terminal in the first state determines to use the transmission waveform parameters in the first indication message when subsequently sending Msg.3.
  • the transmission waveform parameter in the first indication message corresponds to CP-OFDM.
  • the terminal receives the RMSI message and determines the first indication message, where the first indication message includes indication information used to indicate the transmission waveform parameter used by the terminal in the first state. It is further determined according to the repeated transmission times configuration in the first indication message that the terminal adopts repeated transmission, that is, it is determined that the terminal is a terminal in the second state. Make sure to use the predefined transmission waveform parameters when sending Msg.3 subsequently.
  • the predefined transmission waveform parameters correspond to DFT-s-OFDM.
  • the first transmission waveform parameter is not completely or completely different from the predefined transmission waveform parameter.
  • the first indication message may further include an information field for indicating whether to enable the first transmission waveform parameter.
  • the information field may be 1 bit.
  • the value of the information field is 1, indicating that the first transmission waveform parameter is enabled.
  • the value of the information field is 0, indicating that the first transmission waveform parameter is not enabled.
  • the value of the information field may also be 0, indicating that the first transmission waveform parameter is enabled.
  • the value of the information field is 1, indicating that the first transmission waveform parameter is not enabled. There is no specific limitation here.
  • the first transmission waveform parameter in the first indication information in response to the terminal being the terminal in the first state, is determined as the transmission waveform parameter used for transmission; in response to the terminal being the terminal in the second state, it is determined to use the predetermined transmission waveform parameter.
  • transmission waveform parameters Its executive body can be either the first state terminal or the second state terminal. That is, the first indication information only indicates the transmission waveform parameters used by the terminal in the first state, then the terminal in the second state uses the default transmission waveform parameters, and the terminal in the first state uses the transmission waveform parameters indicated by the first indication information .
  • the terminal in the first state is a terminal under normal coverage
  • the first indication message includes indication information indicating a transmission waveform parameter applied by the terminal in the first state.
  • the terminal in the second state is a terminal that needs to perform coverage enhancement.
  • the terminal in the first state is a terminal that needs to perform coverage enhancement.
  • the terminal in the second state is a normally covered terminal.
  • the network-side device sends a first indication message based on RMSI, where the first indication information includes an information field for indicating whether to enable the first transmission waveform parameter, and in response to the information field indicating that the first transmission waveform parameter is enabled ( For example, the value of the information field is 1), and it is determined that the first transmission waveform parameter in the first indication information is determined as the transmission waveform parameter used for sending the message.
  • the first indication information includes an information field for indicating whether to enable the first transmission waveform parameter, and in response to the information field indicating that the first transmission waveform parameter is enabled ( For example, the value of the information field is 1), and it is determined that the first transmission waveform parameter in the first indication information is determined as the transmission waveform parameter used for sending the message.
  • the terminal receives the first indication message based on the RMSI, and determines an information field in the first indication information for indicating whether to enable the first transmission waveform parameter, and in response to the information field indicating that the first transmission waveform parameter is not to be enabled ( For example, the value of the information field is 0), and it is determined that the predefined transmission waveform parameter is determined as the transmission waveform parameter used for sending the message.
  • the first transmission waveform parameter in the first indication information is determined as the transmission waveform parameter used for transmission; in response to the information field indicating that the first transmission waveform parameter is not enabled
  • the predefined transmission waveform parameter is determined as the transmission waveform parameter used for sending the message.
  • the execution subject may be either the first state terminal or the second state terminal.
  • the terminal in the first state is a terminal under normal coverage
  • the first indication message includes indication information indicating a transmission waveform parameter applied by the terminal in the first state.
  • the terminal in the second state is a terminal that needs to perform coverage enhancement.
  • the terminal in the first state is a terminal that needs to perform coverage enhancement.
  • the terminal in the second state is a normally covered terminal.
  • an embodiment of the present disclosure also provides an apparatus for determining a transmission waveform parameter.
  • the apparatus for determining transmission waveform parameters provided by the embodiments of the present disclosure includes corresponding hardware structures and/or software modules for executing each function.
  • the embodiments of the present disclosure can be implemented in hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the technical solutions of the embodiments of the present disclosure.
  • Fig. 13 is a block diagram of an apparatus for determining transmission waveform parameters according to an exemplary embodiment.
  • the apparatus 100 for determining transmission waveform parameters, applied to a terminal includes: a receiving module 101 and a determining module 102 .
  • the receiving module 101 is configured to receive first indication information, where the first indication information is used to indicate transmission waveform parameters.
  • the determining module 102 is configured to determine, according to at least one of the state of the terminal and the indication information, the transmission waveform parameters used for sending the message.
  • the state of the terminal includes at least a terminal in a first state and a terminal in a second state, and the terminal in the first state and the terminal in the second state have different performance parameters and/or channel states.
  • the transmission waveform parameters include at least a first transmission waveform parameter and a second transmission waveform parameter.
  • the channel state includes: a reference signal measurement value.
  • the performance parameter includes one of the following:
  • the receiving module 101 is further configured to receive second indication information, where the second indication information is used to instruct the terminal to determine the state of the terminal.
  • the second indication information is the first indication information.
  • the first transmission waveform parameter corresponds to the first physical random access channel PRACH set, and the first PRACH set corresponds to the first state terminal.
  • the second transmission waveform parameter corresponds to the second PRACH set, and the second PRACH set corresponds to the second state terminal.
  • the parameters of the first PRACH set and the second PRACH set are completely different or not identical.
  • the first indication message includes: indication information for indicating the waveform parameters of the terminal application in the first state, and the first indication message includes indication information for indicating the waveform parameters of the terminal application in the second state.
  • the determining module 102 is configured to determine to receive the first indication message in response to the terminal being the terminal in the first state.
  • the first indication message includes indication information for indicating transmission waveform parameters of the terminal application in the first state.
  • the second state terminal uses predefined transmission waveform parameters. Or, in response to the terminal being the terminal in the second state, it is determined to receive the first indication message.
  • the first indication message includes indication information for indicating the transmission waveform parameters of the terminal application in the second state.
  • the first state terminal uses predefined transmission waveform parameters.
  • the transmission waveform parameters included in the first indication message are not identical or completely different from the predefined transmission waveform parameters.
  • the first indication message includes: a configuration of the number of repeated transmissions used to determine the state of the terminal.
  • the determining module 102 is configured to receive a first indication message in response to the terminal being the terminal in the first state, where the first indication message includes indication information for indicating a transmission waveform parameter used by the terminal in the first state.
  • the determining module 102 is configured to determine to use a predefined transmission waveform parameter in response to the terminal being the terminal in the second state.
  • the first transmission waveform parameter is not completely or completely different from the predefined transmission waveform parameter.
  • the first indication message includes: an information field used to indicate whether to enable the first transmission waveform parameter.
  • the determining module 102 is configured to respond to the information field indicating that the first transmission waveform parameter is enabled, and determine the first transmission waveform parameter in the first indication information as the transmission waveform parameter used for sending the message.
  • the determining module 102 is configured to, in response to the information field indicating that the first transmission waveform parameter is not enabled, determine the predefined transmission waveform parameter as the transmission waveform parameter used for sending the message.
  • Fig. 14 is a block diagram of an apparatus for determining a transmission waveform parameter according to an exemplary embodiment.
  • the transmission waveform parameter determination apparatus 200 is applied to a network side device, and the apparatus includes: a determination module 201 and a sending module 202 .
  • a determination module 201 configured to determine at least one transmission waveform parameter.
  • the sending module 202 is configured to send at least one transmission waveform parameter.
  • the transmission waveform parameters include at least a first transmission waveform parameter and a second transmission waveform parameter, and the first transmission waveform parameter and the second transmission waveform parameter correspond to terminals in different states.
  • the state of the terminal includes at least a first state terminal and a second state terminal, and the first state terminal and the second state terminal have different performance parameters and/or channel states.
  • the channel state includes: a reference signal measurement value.
  • the performance parameter includes one of the following:
  • the sending module 202 is further configured to send a first indication message, where the first indication information is used to indicate a transmission waveform parameter.
  • the sending module 202 is further configured to send second indication information, where the second indication information is used to instruct the terminal to determine the state of the terminal.
  • the second indication information is the first indication information.
  • the first transmission waveform parameter corresponds to the first physical random access channel PRACH set, and the first PRACH set corresponds to the first state terminal.
  • the second transmission waveform parameter corresponds to the second PRACH set, and the second PRACH set corresponds to the second state terminal.
  • the parameters of the first PRACH set and the second PRACH set are completely different or not identical.
  • the first indication message includes: indication information for indicating the waveform parameters of the terminal application in the first state, and the first indication message includes indication information for indicating the waveform parameters of the terminal application in the second state.
  • the first indication message includes: a configuration of the number of repeated transmissions used to determine the state of the terminal.
  • the first indication message includes: an information field used to indicate whether to enable the first transmission waveform parameter.
  • FIG. 15 is a block diagram of an apparatus 300 for determining transmission waveform parameters according to an exemplary embodiment.
  • apparatus 300 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • apparatus 300 may include one or more of the following components: processing component 302, memory 304, power component 306, multimedia component 308, audio component 310, input/output (I/O) interface 312, sensor component 314, and Communication component 316 .
  • the processing component 302 generally controls the overall operation of the device 300, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 302 may include one or more processors 320 to execute instructions to perform all or some of the steps of the methods described above. Additionally, processing component 302 may include one or more modules that facilitate interaction between processing component 302 and other components. For example, processing component 302 may include a multimedia module to facilitate interaction between multimedia component 308 and processing component 302 .
  • Memory 304 is configured to store various types of data to support operations at device 300 . Examples of such data include instructions for any application or method operating on device 300, contact data, phonebook data, messages, pictures, videos, and the like. Memory 304 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power component 306 provides power to various components of device 300 .
  • Power components 306 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to device 300 .
  • Multimedia component 308 includes screens that provide an output interface between the device 300 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • the multimedia component 308 includes a front-facing camera and/or a rear-facing camera. When the apparatus 300 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 310 is configured to output and/or input audio signals.
  • audio component 310 includes a microphone (MIC) that is configured to receive external audio signals when device 300 is in operating modes, such as call mode, recording mode, and voice recognition mode. The received audio signal may be further stored in memory 304 or transmitted via communication component 316 .
  • audio component 310 also includes a speaker for outputting audio signals.
  • the I/O interface 312 provides an interface between the processing component 302 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 314 includes one or more sensors for providing status assessment of various aspects of device 300 .
  • the sensor assembly 314 can detect the open/closed state of the device 300, the relative positioning of components, such as the display and keypad of the device 300, and the sensor assembly 314 can also detect a change in the position of the device 300 or a component of the device 300 , the presence or absence of user contact with the device 300 , the orientation or acceleration/deceleration of the device 300 and the temperature change of the device 300 .
  • Sensor assembly 314 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 314 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 314 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 316 is configured to facilitate wired or wireless communication between apparatus 300 and other devices.
  • Device 300 may access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 316 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 316 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 300 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 304 including instructions, executable by the processor 320 of the apparatus 300 to perform the method described above.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • FIG. 16 is a block diagram of an apparatus 400 for determining transmission waveform parameters according to an exemplary embodiment.
  • the apparatus 400 may be provided as a server.
  • apparatus 400 includes a processing component 422, which further includes one or more processors, and a memory resource represented by memory 432 for storing instructions executable by processing component 422, such as an application program.
  • An application program stored in memory 432 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 422 is configured to execute instructions to perform the above-described methods.
  • Device 400 may also include a power supply assembly 426 configured to perform power management of device 400 , a wired or wireless network interface 450 configured to connect device 400 to a network, and an input output (I/O) interface 458 .
  • Device 400 may operate based on an operating system stored in memory 432, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • first, second, etc. are used to describe various information, but the information should not be limited by these terms. These terms are only used to distinguish the same type of information from one another, and do not imply a particular order or level of importance. In fact, the expressions “first”, “second” etc. are used completely interchangeably.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information, without departing from the scope of the present disclosure.

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

Abstract

La présente divulgation concerne un procédé et un appareil permettant de déterminer un paramètre de forme d'onde de transmission, ainsi qu'un support de stockage. Le procédé de détermination d'un paramètre de forme d'onde de transmission est appliqué à un terminal, et comprend : la réception de premières informations d'indication, les premières informations d'indication étant utilisées pour indiquer un paramètre de forme d'onde de transmission ; et la détermination, en fonction de l'état d'un terminal et/ou en fonction des informations d'indication, d'un paramètre de forme d'onde de transmission utilisé pour envoyer un message, l'état du terminal comprenant au moins un premier état et un second état, un terminal dans le premier état et un terminal dans le second état ayant des paramètres de performance et/ou des états de canal différents, et le paramètre de forme d'onde de transmission comprenant au moins un premier paramètre de forme d'onde de transmission et un second paramètre de forme d'onde de transmission. Selon la présente divulgation, un PAPR requis pour un terminal à faible couverture peut être assuré, et l'efficacité de transmission d'un terminal présentant une bonne couverture peut également être assurée.
PCT/CN2021/079601 2021-03-08 2021-03-08 Procédé et appareil pour déterminer un paramètre de forme d'onde de transmission, et support de stockage WO2022188008A1 (fr)

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PCT/CN2021/079601 WO2022188008A1 (fr) 2021-03-08 2021-03-08 Procédé et appareil pour déterminer un paramètre de forme d'onde de transmission, et support de stockage
CN202180000733.3A CN113170471B (zh) 2021-03-08 2021-03-08 一种传输波形参数确定方法、装置及存储介质

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CN106549889A (zh) * 2015-09-18 2017-03-29 中国移动通信集团公司 一种自适应波形传输方法、装置及系统
CN108811149A (zh) * 2017-05-05 2018-11-13 华为技术有限公司 一种获取控制信息的方法及装置
CN109891986A (zh) * 2016-11-02 2019-06-14 株式会社Ntt都科摩 用户装置及上行信号发送方法
CN109937560A (zh) * 2016-11-16 2019-06-25 高通股份有限公司 在rach规程和自主ul传输期间的ul波形
WO2020191608A1 (fr) * 2019-03-26 2020-10-01 Qualcomm Incorporated Configuration et indication de forme d'onde pour transmission en liaison montante

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WO2017219320A1 (fr) * 2016-06-23 2017-12-28 华为技术有限公司 Procédé et dispositif pour une configuration de forme d'onde et une indication de forme d'onde
EP3531591A4 (fr) * 2016-11-04 2019-10-23 Huawei Technologies Co., Ltd. Procédé et appareil de transmission de données
CN111436141A (zh) * 2019-03-25 2020-07-21 维沃移动通信有限公司 信息传输、接收方法、终端及网络侧设备

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CN106549889A (zh) * 2015-09-18 2017-03-29 中国移动通信集团公司 一种自适应波形传输方法、装置及系统
CN109891986A (zh) * 2016-11-02 2019-06-14 株式会社Ntt都科摩 用户装置及上行信号发送方法
CN109937560A (zh) * 2016-11-16 2019-06-25 高通股份有限公司 在rach规程和自主ul传输期间的ul波形
CN108811149A (zh) * 2017-05-05 2018-11-13 华为技术有限公司 一种获取控制信息的方法及装置
WO2020191608A1 (fr) * 2019-03-26 2020-10-01 Qualcomm Incorporated Configuration et indication de forme d'onde pour transmission en liaison montante

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