WO2019047773A1 - Procédé et dispositif d'émission et de réception de signaux - Google Patents

Procédé et dispositif d'émission et de réception de signaux Download PDF

Info

Publication number
WO2019047773A1
WO2019047773A1 PCT/CN2018/103444 CN2018103444W WO2019047773A1 WO 2019047773 A1 WO2019047773 A1 WO 2019047773A1 CN 2018103444 W CN2018103444 W CN 2018103444W WO 2019047773 A1 WO2019047773 A1 WO 2019047773A1
Authority
WO
WIPO (PCT)
Prior art keywords
subcarrier
terminal device
bandwidth
target
location information
Prior art date
Application number
PCT/CN2018/103444
Other languages
English (en)
Chinese (zh)
Inventor
郭志恒
吴茜
谢信乾
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201810151929.2A external-priority patent/CN109475003B/zh
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to BR112020004603-5A priority Critical patent/BR112020004603A2/pt
Priority to JP2020513838A priority patent/JP2020533868A/ja
Priority to KR1020207009458A priority patent/KR20200044948A/ko
Priority to EP18854265.8A priority patent/EP3678430B1/fr
Publication of WO2019047773A1 publication Critical patent/WO2019047773A1/fr
Priority to US16/573,358 priority patent/US10833834B2/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of wireless communications technologies, and in particular, to a signal transmission and signal receiving method and apparatus.
  • orthogonal frequency division multiple access (OFDM) technology is used, that is, communication in the frequency domain.
  • the resource block is a physical resource block (PRB), wherein one PRB includes 12 subcarriers.
  • PRB physical resource block
  • multiple bandwidths and different subcarrier spacings have been defined, for example, as shown in Table 1. Show, where 5MHz, 10MHz, 15MHz and 20MH are the bandwidth, and NRB is the number of target resource blocks:
  • the number of PRBs corresponding to each seed carrier interval is different, and the number of PRBs corresponding to the subcarrier spacing with a large value is smaller than The number of PRBs corresponding to the small subcarrier spacing.
  • the value of the bandwidth is not limited to the four types listed in Table 1, and may be a value greater than 20 MHz, such as 30 MHz, 50 MHz, and the like.
  • the subcarrier spacing is also not limited to the ones listed in Table 1, and may be a value greater than 60 KHz, such as 120 KHz.
  • the sending device may send indication information to the receiving device, where the indication information is used to notify location information of the DC subcarrier.
  • the receiving device needs to know the location information of the DC subcarrier used by the transmitting device to send a signal, so that the transmitting device can randomly select a certain subcarrier from the plurality of subcarriers as the DC subcarrier, and therefore,
  • the receiving device can obtain the location information of the DC subcarrier, and the sending device needs to additionally send the indication information to the receiving device, where the indication information is used to notify the location information of the DC subcarrier, thereby increasing the signaling overhead.
  • the embodiment of the present application provides a signal sending and signal receiving method, and reduces an additional signaling overhead used by a sending device to indicate a DC subcarrier to the receiving device.
  • the embodiment of the present application provides a method for transmitting a signal, including: determining, by a terminal device, location information of a first subcarrier according to a first parameter, where the first parameter includes at least one of the following: a subcarrier spacing, a target bandwidth or a number of target resource blocks; determining an uplink signal according to the location information of the first subcarrier, and transmitting the uplink signal to the network device.
  • the network device can ensure the receiving performance of the uplink signal sent by the terminal device, and avoid or reduce the additional signaling overhead that the terminal device sends to the network device to indicate the DC subcarrier.
  • the first parameter is a target bandwidth and a sub-carrier interval
  • the first parameter is the number of the target resource blocks, and determining, by the terminal device, the location information of the first subcarrier according to the first parameter, the determining, by the terminal device, the first subcarrier according to the number of the target resource blocks Location information.
  • the first subcarrier determined by the terminal device is the central subcarrier in the transmission bandwidth, so that the terminal device sends different subcarrier spacing signals.
  • the carrier frequency or the position of the RF local oscillator can be aligned with the first subcarrier position, so that better reception performance, such as radio frequency performance, can be obtained.
  • the terminal device determines that the location of the second subcarrier corresponding to the second subcarrier interval is the same as the location of the first subcarrier, and the second subcarrier spacing is except the first subcarrier.
  • Other subcarrier spacings other than the subcarrier spacing corresponding to the carrier.
  • the embodiment of the present application provides a method for receiving a signal, including: determining, by a network device, location information of a first subcarrier according to a first parameter, where the first parameter includes at least one of the following: a subcarrier spacing, a target a bandwidth or a number of target resource blocks; receiving an uplink signal at a first subcarrier position corresponding to the location information of the first subcarrier.
  • the first parameter is a target bandwidth and a sub-carrier interval
  • the first parameter is the number of the target resource blocks, and determining, by the network device, the location information of the first subcarrier according to the first parameter, the network device determining the first subcarrier according to the number of the target resource blocks. Location information.
  • an embodiment of the present application provides a terminal device, where the terminal device has a function of implementing behavior of a terminal device in the device.
  • This function can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more modules corresponding to the functions described above. This module can be software and/or hardware.
  • the terminal device includes: a processor and a transmitter, the processor configured to determine location information of the first subcarrier according to the first parameter, and determine an uplink signal according to location information of the first subcarrier;
  • the first parameter includes at least one of the following: a subcarrier interval, a target bandwidth, or a number of target resource blocks; and a transmitter, configured to send the uplink signal determined by the processor to the network device.
  • the processor is specifically configured to: the first parameter is a target bandwidth and a subcarrier spacing, and determining location information of the first subcarrier according to the target bandwidth and the subcarrier spacing.
  • the processor is specifically configured to: the first parameter is a number of target resource blocks, and determining location information of the first subcarrier according to the number of the target resource blocks.
  • the processor is further configured to: determine that a location of the second subcarrier corresponding to the second subcarrier interval is the same as a location of the first subcarrier, where the second subcarrier spacing is Other subcarrier spacings other than the subcarrier spacing corresponding to the first subcarrier.
  • the embodiment of the present application provides a network device, where the network device is used to implement the behavior of the network device in the foregoing method.
  • This function can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the network device includes: a processor, configured to determine location information of the first subcarrier according to the first parameter, where the first parameter includes at least one of the following: a subcarrier spacing, a target bandwidth, or a target resource. And a receiver, configured to receive an uplink signal at a first subcarrier position corresponding to the location information of the first subcarrier determined by the processor.
  • the processor is specifically configured to: the first parameter is a target bandwidth and a subcarrier spacing, and determining location information of the first subcarrier according to the target bandwidth and the subcarrier spacing.
  • the processor is specifically configured to: the first parameter is a number of target resource blocks, and determining location information of the first subcarrier according to the number of the target resource blocks.
  • the embodiment of the present application provides a signal sending method, including: determining, by a network device, location information of a first subcarrier according to a first parameter, where the first parameter includes at least one of the following: a subcarrier spacing, a target bandwidth Or the number of the target resource blocks; the network device determines the downlink signal according to the location information of the first subcarrier; the network device sends the downlink signal to the terminal device.
  • the first parameter is a target bandwidth and a sub-carrier interval
  • the first parameter is the number of the target resource blocks, and determining, by the network device, the location information of the first subcarrier according to the first parameter, the network device determining the first subcarrier according to the number of the target resource blocks. Location information.
  • the first subcarrier determined by the network device is the central subcarrier in the transmission bandwidth, so that the network device sends different subcarrier spacing signals.
  • the carrier frequency or the position of the RF local oscillator can be aligned with the first subcarrier position, so that better RF performance can be obtained.
  • the network device determines that the location of the second subcarrier corresponding to the second subcarrier interval is the same as the location of the first subcarrier, and the second subcarrier spacing is other than the first subcarrier. Other subcarrier spacings other than the subcarrier spacing corresponding to the carrier.
  • the embodiment of the present application provides a signal receiving method, including determining, by a terminal device, location information of a first subcarrier according to a first parameter, where the first parameter includes at least one of: a subcarrier spacing, a target bandwidth, or The number of target resource blocks; the terminal device receives the downlink signal at a position corresponding to the location information of the first subcarrier.
  • the first parameter is a target bandwidth and a sub-carrier interval
  • the first parameter is the number of the target resource blocks, and determining, by the terminal device, the location information of the first subcarrier according to the first parameter, the determining, by the terminal device, the first subcarrier according to the number of the target resource blocks Location information.
  • the embodiment of the present application provides a network device, where the network device has a function of implementing the behavior of the network device in the foregoing method.
  • This function can be implemented in hardware or implemented in hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the network device includes: a processor, configured to determine location information of the first subcarrier according to the first parameter, and determine an uplink signal according to the location information of the first subcarrier; wherein the first parameter The at least one of the following includes: a subcarrier interval, a target bandwidth, or a target resource block; and a transmitter, configured to send the downlink signal determined by the processor to the terminal device.
  • the processor is specifically configured to: the first parameter is a target bandwidth and a subcarrier spacing, and determining location information of the first subcarrier according to the target bandwidth and the subcarrier spacing.
  • the processor is specifically configured to: the first parameter is a number of target resource blocks, and determining location information of the first subcarrier according to the number of the target resource blocks.
  • the processor is further configured to: determine that a location of the second subcarrier corresponding to the second subcarrier interval is the same as a location of the first subcarrier, where the second subcarrier spacing is Other subcarrier spacings other than the subcarrier spacing corresponding to the first subcarrier.
  • an embodiment of the present application provides a terminal device, where the terminal device has a function of implementing behavior of a terminal device in the foregoing method design.
  • This function can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more modules corresponding to the functions described above. This module can be software and/or hardware.
  • the terminal device includes: a processor, configured to determine location information of the first subcarrier according to the first parameter, where the first parameter includes at least one of the following: a subcarrier spacing, a target bandwidth, or a target resource. And a receiver, configured to receive a downlink signal at a first subcarrier position corresponding to the location information of the first subcarrier determined by the processor.
  • the processor is specifically configured to: the first parameter is a target bandwidth and a subcarrier spacing, and determining location information of the first subcarrier according to the target bandwidth and the subcarrier spacing.
  • the processor is specifically configured to: the first parameter is a number of target resource blocks, and determining location information of the first subcarrier according to the number of the target resource blocks.
  • the target bandwidth includes: a transmission bandwidth of the terminal device, or a maximum transmission bandwidth supported by the terminal device.
  • the number of the target resource blocks includes: the number of resource blocks corresponding to the maximum transmission bandwidth supported by the terminal device or the number of resource blocks corresponding to the maximum transmission bandwidth supported by the network device; or the terminal device The number of resource blocks corresponding to the transmission bandwidth or the number of resource blocks corresponding to the transmission bandwidth of the network device.
  • the first subcarrier is a central subcarrier corresponding to the target bandwidth and the subcarrier spacing.
  • the location information of the first subcarrier includes the first subcarrier number.
  • the first subcarrier number is a multiple of 6 and is not a multiple of 12, or a multiple of 12.
  • the embodiment of the present application provides a baseband chip, including a processor and a memory, wherein the memory is configured to store program instructions, and the processor, by executing the instruction, causes the network device to perform each step of the foregoing first aspect.
  • the information transmitting device may be a baseband chip in a network device.
  • an embodiment of the present application provides a baseband chip, including a processor and a memory, where the memory is used to store program instructions, and the processor, by executing the instruction, causes the terminal device to perform each step of the foregoing second aspect. .
  • an embodiment of the present application provides a baseband chip, including a processor and a memory, where the memory is used to store program instructions, and the processor causes the network device to perform each of the foregoing fifth aspects by executing the instruction. step.
  • the information transmitting device may be a baseband chip in a network device.
  • the embodiment of the present application provides a baseband chip, including a processor and a memory, where the memory is used to store program instructions, and the processor, by executing the instruction, causes the terminal device to perform each of the foregoing sixth aspects. step.
  • the embodiment of the present application provides a computer program product, the computer program product comprising: computer program code, when the computer program code is run by a network device, causing the network device to perform the first aspect or the first Aspect of any of the possible implementations.
  • the embodiment of the present application provides a computer program product, where the computer program product includes: a computer program code, when the computer program code is executed by the terminal device, causing the terminal device to perform the second aspect or the second Aspect of any of the possible implementations.
  • the embodiment of the present application provides a computer program product, the computer program product comprising: computer program code, when the computer program code is run by a network device, causing the network device to perform the fifth aspect or the fifth aspect Aspect of any of the possible implementations.
  • the embodiment of the present application provides a computer program product, comprising: computer program code, when the computer program code is run by a terminal device, causing the terminal device to perform the sixth aspect or the sixth Aspect of any of the possible implementations.
  • the embodiment of the present application provides a computer readable medium storing program code, where the program code includes the first aspect or the first aspect, in any possible implementation manner. Method of instruction.
  • the embodiment of the present application provides a computer readable medium storing program code, the program code comprising the second aspect or the second aspect, in any possible implementation manner Method of instruction.
  • the embodiment of the present application provides a computer readable medium storing program code, where the program code includes any of the possible implementations of the fifth aspect or the fifth aspect. Method of instruction.
  • the embodiment of the present application provides a computer readable medium, where the program code includes program code, where the program code includes any of the possible implementations of the sixth aspect or the sixth aspect. Method of instruction.
  • FIG. 1 is a system architecture diagram of a signal transmission and signal receiving method provided by the present application.
  • FIG. 3 is a schematic diagram of first subcarrier numbers respectively corresponding to subcarrier spacings of 15 kHz, 30 kHz, and 60 kHz;
  • 4 is another schematic diagram of corresponding first subcarrier numbers when the subcarrier spacing is 15 kHz, 30 kHz, and 60 kHz;
  • 5 is another schematic diagram of corresponding first subcarrier numbers when subcarrier spacing is 15KHz, 30KHz, and 60KHz;
  • FIG. 5a is another schematic diagram of corresponding first subcarrier numbers respectively when the subcarrier spacing is 15 kHz, 30 kHz, and 60 kHz;
  • FIG. 6 is another schematic diagram of first subcarrier numbers respectively corresponding to subcarrier spacings of 15 kHz, 30 kHz, and 60 kHz;
  • FIG. 7 is another schematic diagram of first subcarrier numbers respectively corresponding to subcarrier spacings of 15 kHz, 30 kHz, and 60 kHz;
  • FIG. 9 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of another network device according to an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of another terminal device according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of another terminal device according to an embodiment of the present disclosure.
  • the method of the embodiment of the present application can be applied to a new radio (NR) communication system, a long term evolution (LTE) system, and a long term evolution-advanced (LTE-A) system. It can be extended to similar wireless communication systems, such as the 3rd generation partnership project (3gpp) related cellular systems.
  • NR new radio
  • LTE long term evolution
  • LTE-A long term evolution-advanced
  • the receiving device may be a network device, and the sending device may be a terminal device; or, for the downlink, the receiving device may be a terminal device, and the sending device may be a network device.
  • the following embodiments are described by terminal devices and network devices.
  • the network device is a device deployed in the radio access network to provide a wireless communication function for the terminal device.
  • Network devices may include various forms of base stations, including macro base stations, micro base stations (also referred to as small stations), relay stations, and access points, and the like.
  • the names of devices with network access capabilities may vary.
  • the network device may be a network device such as gNB or TRP in a 5G system, or a network device in a public evolved public land mobile network (PLMN) system, which may be a wireless local area networks.
  • PLMN public evolved public land mobile network
  • An access point (AP) in the WLAN which may also be an evolved NodeB (eNodeB) or a third-generation (3rd generation, 3G) node in the LTE system or the LTE-A system.
  • eNodeB evolved NodeB
  • 3G third-generation (3rd generation, 3G) node in the LTE system or the LTE-A system.
  • B Node B
  • the network device may also be an in-vehicle device or a wearable device.
  • the terminal device in the embodiment of the present application is a device that can provide voice and/or data connectivity to a user, and may be a device in a 5G system that accesses a system through a network device such as gNB or TRP, or may be a future.
  • the terminal device in the evolved PLMN network may also be a terminal device in a WLAN, an LTE system, an LTE-A system, or a 3G system.
  • a terminal device may also be called a user equipment (UE), an access terminal, a subscriber unit, a terminal station, a mobile station, a mobile station (MS), a remote station, a remote terminal, and a mobile device.
  • UE user equipment
  • the terminal device may include various handheld devices having wireless communication functions, in-vehicle devices, wearable devices, computing devices, or other processing devices connected to the wireless modem, and may also include a subscriber unit, a cellular phone, a smart phone (smart) Phone), wireless data card, personal digital assistant (PDA) computer, tablet computer, wireless modem (modem), handheld device, laptop computer, machine type communication (machine type) Communication, MTC) terminals, stations in wireless local area networks (WLAN), can also be cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loops (wireless local loop, WLL) station.
  • PDA personal digital assistant
  • modem modem
  • MTC machine type communication
  • WLAN wireless local area networks
  • WLAN can also be cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loops (wireless local loop, WLL) station.
  • SIP session initiation protocol
  • WLL wireless local loops
  • FIG. 1 is a system architecture diagram of a signal transmission and signal receiving method provided by the present application.
  • the system includes a network device and at least one terminal device, and the network device and the network device
  • the terminal device operates on a 5G NR communication system in which the terminal device can communicate with the network device through the 5G NR communication system.
  • the embodiment of the present application provides an implementation manner, including the following steps:
  • Step 201 The terminal device determines location information of the first subcarrier according to the first parameter, where the first parameter includes at least one of a subcarrier spacing, a target bandwidth, or a target resource block number.
  • the first subcarrier may be a DC subcarrier.
  • the DC subcarrier is a subcarrier with a frequency of 0 in the baseband signal generated by the terminal device, and the frequency should be understood as the frequency of the baseband.
  • the first subcarrier is a central subcarrier corresponding to the target bandwidth and the subcarrier spacing.
  • the location information of the first subcarrier may include the first subcarrier number.
  • the first subcarrier number is a multiple of 6 and is not a multiple of 12, or a multiple of 12.
  • the location information of the first subcarrier may also have other representations other than the number. It is not enumerated here, as long as the first subcarrier position information can be embodied, it belongs to the scope of protection of the present invention.
  • the target bandwidth may be a transmission bandwidth of the terminal device.
  • it may be a bandwidth used for transmitting uplink information, such as 5 MHz, 10 MHz, or 20 MHz.
  • the target bandwidth may be configured by the network device for the terminal device, or may be determined by the terminal device.
  • the target bandwidth may be a maximum transmission bandwidth that the terminal device can support.
  • the maximum transmission bandwidth may be a parameter determined by the capabilities of the terminal device, and the maximum transmission bandwidth may be different for different terminal devices.
  • the maximum transmission bandwidth may also be a predetermined fixed value, and the maximum transmission bandwidth that the terminal device can support is the same.
  • the maximum transmission bandwidth supported by the terminal device is related to the capability of the terminal device.
  • the terminal device can transmit the uplink signal by using a transmission bandwidth of 20 MHz or less.
  • the first parameter is a target bandwidth and a subcarrier interval
  • the terminal device determines location information of the first subcarrier according to the target bandwidth and the subcarrier spacing.
  • the terminal device may determine the location information of the first subcarrier according to the correspondence between the location of the first subcarrier, the transmission bandwidth, and the subcarrier spacing, where the location information of the first subcarrier may include the first subcarrier in the maximum transmission bandwidth. The number in the subcarrier.
  • the first subcarrier determined by the terminal device is the central subcarrier in the transmission bandwidth. This enables the terminal device to align the carrier frequency or the position of the radio frequency local oscillator with the first subcarrier position when transmitting signals of different subcarrier intervals, thereby obtaining better radio frequency performance.
  • Table 2 is only an example for understanding the embodiments of the present invention.
  • the content included in Table 2 includes and is not limited to the above.
  • the value of the bandwidth may include only one of 10 MHz and 15 MHz. It may also include other bandwidth values other than 10 MHz and 15 MHz, and may have other values for the value of the subcarrier spacing.
  • the correspondence between the first subcarrier number k, the transmission bandwidth, and the subcarrier spacing in Table 2 The relationship may also have other manifestations. As long as the correspondence between the first subcarrier number k, the transmission bandwidth, and the subcarrier spacing is reflected, the scope of the present invention is protected, and details are not described herein again.
  • the terminal device to determine a first offset value k 0 according to the transmission bandwidth of a first subcarrier spacing and the offset value corresponding to 0 is k, wherein the first offset value k 0 is the first sub-carrier number and k The difference in the center subcarrier number in the transmit bandwidth.
  • the value of k 0 may be an integer or a decimal.
  • the value of k 0 may be related to the subcarrier spacing of the first subcarrier, that is, the k 0 corresponding to the different subcarrier spacing is different; the value of k 0 may be independent of the subcarrier spacing of the first subcarrier, that is, different sub-carriers
  • the k 0 corresponding to the carrier spacing is the same.
  • the terminal device can maintain a table of the first offset value k 0 , the transmission bandwidth, and the subcarrier spacing correspondence.
  • the difference between the first subcarrier number determined by the terminal device and the central subcarrier number in the transmission bandwidth is 0 or 6.
  • the terminal device can align the carrier frequency or the location of the radio frequency local oscillator with the first subcarrier position when transmitting signals of different subcarrier intervals, thereby obtaining better radio frequency performance.
  • Table 3 is only an example for understanding the embodiments of the present invention.
  • the content included in Table 3 includes and is not limited to the foregoing.
  • the value of the bandwidth may include only 10 MHz or 15 MHz. Including other bandwidth values other than 10MHz or 15MHz, there may be other values for the subcarrier spacing.
  • the correspondence between the first offset value k 0 , the transmission bandwidth and the subcarrier spacing in Table 3 may also have Other representations, as long as they can reflect the correspondence between the first offset value k 0 , the transmission bandwidth and the sub-carrier spacing, are all within the scope of the present invention and will not be further described herein.
  • the terminal device determines the location information of the first subcarrier according to the correspondence between the location of the first subcarrier, the maximum transmission bandwidth, and the subcarrier spacing, where the location information of the first subcarrier includes the first subcarrier in the maximum transmission bandwidth.
  • the number in the subcarrier Specifically, the terminal device can maintain a table of correspondences between the first subcarrier number, the maximum transmission bandwidth, and the subcarrier spacing. As shown in Table 4, Table 4 shows the first subcarrier number k, the maximum transmission bandwidth, and the subcarrier spacing.
  • the first subcarrier determined by the terminal device is the central subcarrier in the transmission bandwidth.
  • Table 4 is only an example for understanding the embodiments of the present invention.
  • the content included in Table 4 includes and is not limited to the above content.
  • the first subcarrier number k in Table 4 The correspondence between the maximum transmission bandwidth and the subcarrier spacing may also have other representations. As long as the correspondence between the first subcarrier number k, the maximum transmission bandwidth, and the subcarrier spacing can be reflected, the scope of protection of the present invention is not Let me repeat.
  • the terminal device first determines a first offset value according to a maximum transmission bandwidth, a corresponding relationship between the subcarrier spacing and the first offset value, where the first offset value k 0 is the first subcarrier number k and the transmission bandwidth.
  • the first subcarrier determined by the terminal device is a central subcarrier in a maximum transmission bandwidth supported by the terminal device.
  • the difference between the first subcarrier number determined by the terminal device and the central subcarrier number in the transmission bandwidth is 0 or 6.
  • Table 5 is only an example for understanding the embodiments of the present invention.
  • the content included in Table 5 includes and is not limited to the above content.
  • the first offset value k 0 in Table 5 The correspondence between the maximum transmission bandwidth and the subcarrier spacing may also have other representations. As long as the correspondence between the first offset value k 0 , the maximum transmission bandwidth, and the subcarrier spacing can be reflected, the scope of protection of the present invention is This will not be repeated here.
  • the number of the target resource blocks includes the number of resource blocks corresponding to the transmission bandwidth of the terminal device. It should be understood that the number of resource blocks is associated with the transmission bandwidth of the terminal device and the subcarrier spacing used by the terminal device to transmit signals. The terminal device may determine the number of the target resource blocks according to the transmission bandwidth and the subcarrier spacing.
  • the number of the target resource blocks includes the number of resource blocks corresponding to the maximum transmission bandwidth supported by the terminal device.
  • the first parameter is the number of target resource blocks
  • the terminal device determines location information of the first subcarrier according to the number of target resource blocks.
  • the location information of the first subcarrier may be the first subcarrier number k.
  • the first subcarrier number and the number of target resource blocks can be satisfied by any one of the following formulas:
  • the above formula can be directly calculated according to the first parameter, and a table can be maintained to store the calculated result.
  • the terminal device needs to determine the number of target resource blocks in advance. For example, the terminal device may determine the number of target resource blocks according to the correspondence between the number of target resource blocks, the target bandwidth, and the subcarrier spacing. For example, according to Table 1, when the target bandwidth is 15 MHz, it can be determined that the number of target resource blocks corresponding to the 15 KHz subcarrier interval is 79, and the number of target resource blocks corresponding to the 30 KHz subcarrier interval is 38, and the target corresponding to the subcarrier spacing of 60 KHz. The number of resource blocks is 18.
  • the terminal device may determine location information of the first subcarrier according to the number of the target resource blocks.
  • the location information of the first subcarrier may be the first subcarrier number k.
  • the terminal device may determine the first subcarrier number k according to Equation 1:
  • 3 is a schematic diagram of a first subcarrier number corresponding to a subcarrier spacing of 15 kHz, 30 kHz, and 60 kHz, wherein a virtual vertical line indicates a boundary point of a different RB, and a real vertical line is a carrier corresponding to the first subcarrier number. It can be seen that in the example of FIG. 3, for any subcarrier spacing, the terminal device determines that the first subcarrier is the central subcarrier in the target bandwidth.
  • the first subcarrier determined by the terminal device is a central subcarrier in the transmission bandwidth.
  • the terminal device can align the position of the carrier frequency/RF local oscillator with the first subcarrier position when transmitting signals of different subcarrier intervals, thereby obtaining better radio frequency performance.
  • the terminal device may further determine the first subcarrier number k according to Equation 2.
  • the value of k 0 may be related to the subcarrier spacing of the first subcarrier, that is, the k 0 corresponding to the different subcarrier spacing is different; the value of k 0 may be independent of the subcarrier spacing of the first subcarrier, that is, different sub-carriers
  • the k 0 corresponding to the carrier spacing is the same.
  • FIG. 4 is a schematic diagram of a first subcarrier number corresponding to a subcarrier spacing of 15 kHz, 30 kHz, and 60 kHz, wherein a virtual vertical line indicates a boundary point of a different RB, and a real vertical line is a carrier corresponding to the first subcarrier number. It can be seen that, for the 15KHz and 30KHz subcarrier spacing, the location of the first subcarrier determined by the terminal device is at the peak position of the subcarrier, and for the subcarrier spacing of 60 KHz, the terminal device determines that the location of the first subcarrier is not in the subcarrier. The peak position of the carrier.
  • the minimum subcarrier spacing supported by the terminal device is 15 kHz, and the maximum supported subcarrier spacing is 60 kHz, the terminal device determines that the first subcarrier corresponding to the minimum subcarrier spacing is the center. Carrier, and for other subcarrier spacing, the location of the first subcarrier determined by the terminal device is the same as the location of the first subcarrier corresponding to the minimum subcarrier spacing. It should be particularly emphasized that the location of the first subcarrier includes the peak of one subcarrier, and also includes the intermediate position of the two subcarriers, and of course other possible locations.
  • the location of the first subcarrier determined by the terminal device is the center position of the transmission bandwidth.
  • the location of the first subcarrier is not at the peak position of one subcarrier for one of the subcarrier spacings, the location of the carrier frequency or the radio frequency local oscillator and the location of the radio frequency local oscillator may be caused by the terminal device when transmitting signals of different subcarrier spacings.
  • a subcarrier position can be aligned to achieve better RF performance.
  • the first subcarrier determined by the terminal device is the first subcarrier in one resource block, and can also be understood as the subcarrier with the number 0 in the resource block. .
  • the first subcarrier number determined here is a multiple of 12.
  • the number of the first subcarrier determined here may be expressed as 12 ⁇ m+1, where m is an integer.
  • the terminal is selected for the value of any subcarrier spacing in the transmission bandwidth.
  • the location of the first subcarrier determined by the device is the peak position of one subcarrier, and can enable the terminal device to transmit the signal of different subcarrier spacing, the carrier frequency or the location of the radio frequency local oscillator and the first subcarrier position.
  • the value of k 0 may be specified by the protocol, or may be obtained according to a correspondence between the network device and the terminal device for maintaining a k 0 , a target bandwidth, and a subcarrier interval in advance, for example, from the network device.
  • k the correspondence table of the target bandwidth and the subcarrier spacing acquired, or acquired according to the correspondence with the number k 0 to the target resource blocks, for example, obtained from k 0 and block number of the target resource correspondence table .
  • the number of target resource blocks corresponding to the 15 kHz subcarrier spacing is 106
  • the number of target resource blocks corresponding to the 30 kHz subcarrier spacing is 52
  • the first carrier number corresponding to the 15 kHz, 30 kHz and 60 kHz subcarrier spacing respectively As shown in Figure 6.
  • 5a is a schematic diagram of a first subcarrier number corresponding to a subcarrier spacing of 15 kHz, 30 kHz, and 60 kHz, wherein a virtual vertical line indicates a boundary point of different RBs, and a real vertical line is a carrier corresponding to the first subcarrier number.
  • the target bandwidth is the maximum bandwidth that the terminal device can support
  • the number of target resource blocks corresponding to the 15 kHz subcarrier interval is 270
  • the number of target resource blocks corresponding to the 30 kHz subcarrier interval is 133
  • the target number of resource blocks corresponding to 60kHz subcarrier spacing is 65
  • X th RB represents an RB numbered X th
  • 9 th RB representing an RB numbered 9.
  • the terminal device and the network device determine the grid structure of the PRB corresponding to the different subcarrier spacings in advance, so the terminal device determines the location of the first subcarrier corresponding to the minimum subcarrier spacing according to the foregoing method.
  • the terminal device determines that the location of the second subcarrier corresponding to the second subcarrier interval is the same as the location of the first subcarrier, and the second subcarrier spacing is the subcarrier spacing corresponding to the first subcarrier.
  • Other subcarrier spacings. This location should be understood as the same physical location and the first subcarrier number can be different.
  • the terminal device can align the carrier frequency or the location of the radio frequency local oscillator with the first subcarrier position when transmitting signals of different subcarrier intervals, thereby obtaining better radio frequency performance.
  • the location of the first subcarrier is determined based on the maximum supported subcarrier spacing.
  • the maximum supported subcarrier spacing in a given bandwidth is typically determined by the configuration of the network device.
  • the network device configures one or more subcarrier spacings, so that when the network device configures only one subcarrier spacing, the maximum supported subcarrier spacing in the given bandwidth is the subcarrier spacing.
  • the device is configured with multiple subcarrier spacings, and the maximum supported subcarrier spacing in the given bandwidth is the largest of the multiple subcarrier spacings.
  • the maximum supported subcarrier spacing in the given bandwidth is 15 kHz
  • the network device configures 15 kHz and 30 kHz subcarriers for a given bandwidth. Interval, the maximum supported subcarrier spacing in the given bandwidth is 30 kHz.
  • the minimum subcarrier spacing u min (eg, 15 kHz) supported by the terminal device in the bandwidth
  • the maximum subcarrier spacing u max eg, 60 kHz supported by the terminal device in the bandwidth
  • ⁇ ⁇ f 2 ⁇ ⁇ 15[kHz] 0 15 1 30 2 60 3 120 4 240 5 480
  • u is an identifier indicating a subcarrier spacing
  • u min the first subcarrier number is obtained according to formula 3, specifically:
  • N indicates the number of RBs corresponding to the subcarrier spacing corresponding to u min in the bandwidth, and floor(x) indicates that the x is rounded down.
  • the first subcarrier number can be obtained according to formula 4, specifically:
  • N is the number of RBs corresponding to the subcarrier spacing corresponding to u min in the bandwidth
  • floor(x) indicates rounding down x.
  • Equation (4) can also be expressed as the following formula (5):
  • ceil(x) indicates that x is rounded up.
  • the first subcarrier number calculated according to formula (3) is smaller than the number of the bandwidth center subcarrier, and the first subcarrier number calculated according to formula (4) is greater than the number of the bandwidth center subcarrier, considering the formula ( 3) and (4)
  • the calculated first subcarrier is symmetric with the bandwidth center subcarrier, so there may be multiple candidate subcarriers as the first subcarrier. Thereby the terminal device can select one of the plurality of candidate first subcarriers.
  • Equation 6 Equation 6
  • N represents the number of RBs corresponding to the subcarrier spacing corresponding to u min in the bandwidth
  • floor(x) indicates the direction of x Take the next round.
  • the location of the first subcarrier determined by the terminal device is the peak position of one subcarrier, and the locations of the first subcarriers at different subcarrier intervals are aligned, and This location is located near the center of the bandwidth and is used to balance the performance and complexity of the signal transmitted by the terminal.
  • the terminal device may determine the first subcarrier number according to the correspondence between the first subcarrier number and the number of target resource blocks.
  • the correspondence between the first subcarrier number and the number of target resource blocks may be as shown in Table 7, or may be as shown in Table 8.
  • the location of the first subcarrier determined by the terminal device is the peak position of one subcarrier, and the locations of the first subcarriers at different subcarrier intervals may be aligned. And the location is located near the center of the bandwidth.
  • Table 7 or Table 8 is only an example for understanding the embodiments of the present invention.
  • the contents included in Table 7 or Table 8 include and are not limited to the above contents.
  • Table 7 or Table 8 The corresponding relationship between the first subcarrier number and the number of target resource blocks may also have other representations. As long as the correspondence between the first subcarrier number and the number of target resource blocks can be reflected, the present invention is to be protected. The scope of this will not be repeated here.
  • the carrier frequency position of the uplink signal sent by the terminal device may be the same as the location of the first subcarrier determined by the terminal device, so that the terminal device determines that the location information of the first subcarrier is understood as the terminal device.
  • the carrier frequency position at which the uplink signal is transmitted is determined.
  • the location of the radio frequency local oscillator that the terminal device sends the uplink signal may also be the same as the location of the first subcarrier determined by the terminal device. Therefore, determining the location information of the first subcarrier by the terminal device may be understood as determining that the terminal device determines The position of the RF local oscillator that sends the upstream signal.
  • the location of the channel of the uplink signal sent by the terminal device may also be the same as the location of the first subcarrier determined by the terminal device. Therefore, the location information of the first subcarrier determined by the terminal device may be understood as the terminal device determines to send. The location of the channel grid of the upstream signal.
  • Step 202 The terminal device determines an uplink signal according to location information of the first subcarrier.
  • Step 203 The terminal device sends the uplink signal to the network device.
  • Step 204 The network device determines location information of the first subcarrier according to the first parameter, where the first parameter includes at least one of the following: a subcarrier spacing, a target bandwidth, or a target resource block number.
  • step 204 may be performed before step 201; or after step 201, as shown in FIG.
  • step 204 may be performed before step 202; as shown in FIG. 2a, step 204 may be performed before step 203, and the embodiment of the present invention is not specifically limited.
  • the location information of the first subcarrier, the first subcarrier, the first parameter, the subcarrier spacing, the target bandwidth, or the refinement feature of the target resource block refer to the refinement feature in step 201, and no longer one by one. Narration.
  • the first subcarrier may be a DC subcarrier.
  • the DC subcarrier is a subcarrier with a frequency of 0 in the baseband signal generated by the terminal device, and the frequency should be understood as the frequency of the baseband.
  • the target bandwidth may be a transmission bandwidth of the terminal device.
  • it may be a bandwidth used for transmitting uplink information, such as 5 MHz, 10 MHz, or 20 MHz.
  • the target bandwidth may be a maximum transmission bandwidth that the terminal device can support.
  • the number of the target resource blocks includes the number of resource blocks corresponding to the maximum transmission bandwidth supported by the network device, or the number of resource blocks corresponding to the network device transmission bandwidth.
  • the first parameter is a target bandwidth and a subcarrier interval
  • the network device determines location information of the first subcarrier according to the target bandwidth and the subcarrier spacing.
  • the specific determination process refer to the process of determining the location information of the first subcarrier according to the target bandwidth and the subcarrier spacing in step 201, and details are not described herein again.
  • the first parameter is a number of target resource blocks
  • the network device determines location information of the first subcarrier according to the number of target resource blocks.
  • the specific determination process refer to the process of determining the location information of the first subcarrier according to the number of target resource blocks in the step 201, which is not described here.
  • the first subcarrier is a central subcarrier corresponding to the target bandwidth and the subcarrier spacing.
  • the location information of the first subcarrier includes the first subcarrier number.
  • the first subcarrier number is a multiple of 6 and is not a multiple of 12, or a multiple of 12.
  • the location information of the first subcarrier may also have other representations other than the number. It is not enumerated here, as long as the first subcarrier position information can be embodied, it belongs to the scope of protection of the present invention.
  • Step 205 The network device receives an uplink signal at a location corresponding to the location information of the first subcarrier.
  • the receiving performance of the uplink signal sent by the network device at the receiving terminal device can be ensured, and the terminal device can be prevented from transmitting additional signaling overhead for indicating the DC subcarrier to the network device.
  • FIG. 8 is another implementation manner provided by the embodiment of the present application, and some descriptions in the embodiment are the same as or similar to the foregoing embodiment, and the following mainly describes some differences.
  • This embodiment includes the following steps:
  • Step 301 The network device determines location information of the first subcarrier according to the parameter, where the first parameter includes at least one of a subcarrier spacing, a target bandwidth, or a target resource block number.
  • the location information of the first subcarrier, the first subcarrier, the first parameter, the subcarrier spacing, the target bandwidth, or the refinement feature of the target resource block refer to the refinement feature in step 201, and no longer one by one. Narration.
  • the network device obtains the location information of the first subcarrier according to the target bandwidth and the subcarrier interval. For reference, refer to the obtaining process in step 201.
  • the network device transmits signals of different subcarrier intervals, the carrier frequency or the position of the radio frequency local oscillator can be aligned with the first subcarrier position, thereby obtaining better radio frequency performance.
  • the network device obtains the location information of the first subcarrier according to the number of the target resource blocks, and refer to the obtaining process in step 201.
  • the first subcarrier determined by the network device is the central subcarrier in the transmission bandwidth, so that the network device sends different subcarrier spacing signals.
  • the carrier frequency or the position of the RF local oscillator can be aligned with the first subcarrier position, so that better RF performance can be obtained.
  • the location of the first subcarrier is determined according to the maximum supported subcarrier spacing. For the specific determining process, refer to step 201.
  • Step 302 The network device determines a downlink signal according to location information of the first subcarrier.
  • Step 303 The network device sends the downlink signal to the terminal device.
  • Step 304 The terminal device determines location information of the first subcarrier according to the first parameter, where the first parameter includes at least one of the following: a subcarrier spacing, a target bandwidth, or a target resource block number.
  • step 304 and step 301 to 303 is in no particular order.
  • step 304 may be performed before step 301; or after step 301, such as 8b.
  • step 304 may be performed before step 302; as shown in FIG. 8a, step 304 may be performed before step 303, and the embodiment of the present invention is not specifically limited.
  • Step 305 The terminal device receives the downlink signal at a location corresponding to the location information of the first subcarrier.
  • the carrier frequency location of the downlink signal sent by the network device may be the same as the location of the first subcarrier determined by the network device, so that the network device determines that the location information of the first subcarrier can be understood as the network.
  • the device determines the carrier frequency location at which the downlink signal is transmitted.
  • the location of the radio frequency local oscillator that the network device sends the downlink signal may also be the same as the location of the first subcarrier determined by the network device. Therefore, the network device determines that the location information of the first subcarrier is determined by the network device.
  • the position of the radio frequency local oscillator that sends the downlink signal The location of the channel of the downlink signal is the same as the location of the first subcarrier determined by the network device. Therefore, the network device determines that the location information of the first subcarrier is determined by the network device to determine the sending.
  • the location of the channel raster of the downstream signal may be the same as the location of the first subcarrier determined by the network device, so that the network
  • the terminal device can ensure the receiving performance of the downlink signal sent by the network device, and prevent the network device from sending additional signaling overhead for indicating the DC subcarrier to the terminal device.
  • the embodiment of the present application further provides a behavior function for performing the terminal device in the foregoing embodiment shown in FIG. 2, where the terminal device includes a processor 901 and a transmitter 902.
  • the processor 901 is configured to determine location information of the first subcarrier according to the first parameter, and to determine an uplink signal according to the location information of the first subcarrier, where the first parameter includes at least one of the following: Carrier interval, target bandwidth, or number of target resource blocks.
  • the transmitter 902 is configured to send the uplink signal determined by the processor 901 to the network device.
  • the location information of the first subcarrier, the first subcarrier, the first parameter, the subcarrier spacing, the target bandwidth, or the refinement feature of the target resource block refer to the refinement feature in step 201, and no longer one by one. Narration.
  • the processor 901 is specifically configured to acquire the location information of the first subcarrier according to the target bandwidth and the subcarrier spacing.
  • the specific acquisition process refer to the acquisition example introduced in step 201.
  • the processor 901 is specifically configured to obtain the location information of the first subcarrier according to the number of the target resource blocks.
  • the specific acquisition process refer to the acquisition example introduced in step 201.
  • the processor 901 is specifically configured to determine, according to the maximum supported subcarrier spacing, the location of the first subcarrier according to the maximum supported subcarrier spacing, where the specific acquisition process is as described in step 201. Example.
  • the processor is further configured to: determine that a location of the second subcarrier corresponding to the second subcarrier interval is the same as a location of the first subcarrier, where the second subcarrier spacing is Other subcarrier spacings other than the subcarrier spacing corresponding to the subcarriers.
  • the processor in this embodiment may also be a processing module, and the transmitter may also be a transmitter.
  • the embodiment of the present application further provides a network device for performing the behavior function of the network device shown in FIG. 2, where the network device includes a processor 1001 and a receiver 1002.
  • the processor 1001 is configured to determine location information of the first subcarrier according to the first parameter, where the first parameter includes at least one of the following: a subcarrier spacing, a target bandwidth, or a target resource block number;
  • the receiver 1002 is configured to receive an uplink signal at a location corresponding to the location information of the first subcarrier determined by the processor.
  • the location information of the first subcarrier, the first subcarrier, the first parameter, the subcarrier spacing, the target bandwidth, or the refinement feature of the target resource block refer to the refinement feature in step 201, and no longer one by one. Narration.
  • the processor 1001 is specifically configured to acquire the location information of the first subcarrier according to the target bandwidth and the subcarrier interval.
  • the specific acquisition process refer to the acquisition example introduced in step 201.
  • the processor 1001 is specifically configured to obtain the location information of the first subcarrier according to the number of the target resource blocks.
  • the specific acquisition process refer to the acquisition example introduced in step 201.
  • the processor 1001 is specifically configured to determine, according to the maximum supported subcarrier spacing, the location of the first subcarrier according to the maximum supported subcarrier spacing, for a specific determination process, refer to the example introduced in step 201. .
  • the processor in this embodiment may also be a processing module, and the receiver may also be a receiving module.
  • the embodiment of the present application further provides a network device, where the network device includes the processor 1101 and the receiver 1102:
  • the processor 1101 is configured to determine location information of the first subcarrier according to the first parameter, and determine an uplink signal according to the location information of the first subcarrier, where the first parameter includes at least one of the following: a subcarrier spacing, a target The number of bandwidth or target resource blocks.
  • the transmitter 1102 is configured to send the downlink signal determined by the processor to the terminal device.
  • the location information of the first subcarrier, the first subcarrier, the first parameter, the subcarrier spacing, the target bandwidth, or the refinement feature of the target resource block refer to the refinement feature in step 201, and no longer one by one. Narration.
  • the processor 1101 is configured to acquire the location information of the first subcarrier according to the target bandwidth and the subcarrier interval.
  • the specific acquisition process refer to the acquisition example introduced in step 201.
  • the processor 1101 is configured to obtain the location information of the first subcarrier according to the number of the target resource blocks.
  • the specific acquisition process refer to the acquisition example introduced in step 201.
  • the processor 1101 is specifically configured to determine, according to the maximum supported subcarrier spacing, the location of the first subcarrier according to the maximum supported subcarrier spacing, for a specific determination process, refer to the example introduced in step 201. .
  • the processor in this embodiment may also be a processing module, and the transmitter may also be a transmitter.
  • the embodiment of the present application further provides a terminal device, which is used to perform the behavior function of the terminal device shown in FIG. 8, where the terminal device includes a processor 1201 and a receiver 1202, where:
  • the processor 1201 is configured to determine location information of the first subcarrier according to the first parameter, where the first parameter includes at least one of the following: a subcarrier spacing, a target bandwidth, or a target resource block number.
  • the transmitter 1202 is configured to receive a downlink signal at a first subcarrier position corresponding to the location information of the first subcarrier determined by the processor 1201.
  • the location information of the first subcarrier, the first subcarrier, the first parameter, the subcarrier spacing, the target bandwidth, or the refinement feature of the target resource block refer to the refinement feature in step 201, and no longer one by one. Narration.
  • the processor 1201 is specifically configured to acquire the location information of the first subcarrier according to the target bandwidth and the subcarrier spacing.
  • the specific acquisition process refer to the acquisition example introduced in step 201.
  • the processor 1201 is configured to obtain the location information of the first subcarrier according to the number of the target resource blocks.
  • the specific acquisition process refer to the acquisition example introduced in step 201.
  • the processor 1201 is specifically configured to determine, according to the maximum supported subcarrier spacing, the location of the first subcarrier according to the maximum supported subcarrier spacing, for a specific determination process, refer to the example introduced in step 201. .
  • the processor in this embodiment may also be a processing module, and the receiver may also be a receiving module.
  • FIG. 13 is a simplified schematic diagram showing a possible design structure of a communication device such as a terminal device according to an embodiment of the present application, which may be the terminal device shown in FIG.
  • the terminal device includes a transceiver 51, a controller/processor 52, and a memory 53 and a modem processor 54.
  • the transceiver 51 conditions (e.g., analog conversion, filtering, amplifying, upconverting, etc.) the output samples and generates an uplink signal that is transmitted via an antenna to the base station in the above-described embodiments.
  • the antenna receives the downlink signal transmitted by the base station in the above embodiment.
  • Transceiver 51 conditions (eg, filters, amplifies, downconverts, digitizes, etc.) the signals received from the antenna and provides input samples.
  • encoder 541 receives the traffic data and signaling messages to be transmitted on the uplink and processes (e.g., formats, codes, and interleaves) the traffic data and signaling messages.
  • Modulator 542 further processes (e.g., symbol maps and modulates) the encoded traffic data and signaling messages and provides output samples.
  • the decoder 543 processes (e.g., deinterleaves and decodes) the symbol estimate and provides decoded data and signaling messages that are sent to the terminal device.
  • Demodulator 544 processes (e.g., demodulates) the input samples and provides symbol estimates.
  • Encoder 541, modulator 542, decoder 543, and demodulator 544 may be implemented by a composite modem processor 54. These units are processed according to the wireless technology employed by the radio access network (eg, access technologies for LTE and other evolved systems).
  • the controller/processor 52 controls the management of the actions of the communication device such as the terminal device for performing the processing by the terminal device in the above embodiment.
  • the terminal device receives the first information sent by the network device, and determines a mapping manner of the uplink subcarrier according to the first information.
  • the controller/processor 52 can be used to support the terminal device in performing the content of the terminal device involved in FIG. 1 or FIG.
  • the memory 53 is used to store program codes and data for the terminal device.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • a software program it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, the processes or functions in accordance with embodiments of the present application are generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be wired from a website site, computer, server or data center (eg Coaxial cable, optical fiber, digital subscriber line (DSL) or wireless (such as infrared, wireless, microwave, etc.) is transmitted to another website, computer, server or data center.
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device that includes one or more servers, data centers, etc. that can be integrated with the media.
  • the usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state disk (SSD)) or the like.
  • a magnetic medium e.g., a floppy disk, a hard disk, a magnetic tape
  • an optical medium e.g., a DVD
  • a semiconductor medium e.g., a solid state disk (SSD)

Landscapes

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

Abstract

La présente invention concerne un procédé d'émission de signaux, comprenant un dispositif terminal qui détermine des informations de position d'une première sous-porteuse en fonction d'un premier paramètre, le premier paramètre comprenant l'espacement de la sous-porteuse ou la bande passante cible ou le nombre de blocs de ressources cibles; et à déterminer un signal de liaison montante en fonction des informations de position de la première sous-porteuse, et à envoyer le signal de liaison montante à un dispositif de réseau. Le surdébit de signalisation supplémentaire que le dispositif terminal envoie au dispositif de réseau pour indiquer des sous-porteuses de courant continu peut être évité ou réduit.
PCT/CN2018/103444 2017-09-08 2018-08-31 Procédé et dispositif d'émission et de réception de signaux WO2019047773A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BR112020004603-5A BR112020004603A2 (pt) 2017-09-08 2018-08-31 método e aparelho de envio de sinal, e método e aparelho de recepção de sinal
JP2020513838A JP2020533868A (ja) 2017-09-08 2018-08-31 信号送信方法及び装置並びに信号受信方法及び装置
KR1020207009458A KR20200044948A (ko) 2017-09-08 2018-08-31 신호 송신 방법과 장치, 및 신호 수신 방법과 장치
EP18854265.8A EP3678430B1 (fr) 2017-09-08 2018-08-31 Procédé et dispositif de transmission efficace de signaux
US16/573,358 US10833834B2 (en) 2017-09-08 2019-09-17 Signal sending method and apparatus, and signal receiving method and apparatus

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201710806271 2017-09-08
CN201710806271.X 2017-09-08
CN201711143811.7 2017-11-17
CN201711143811 2017-11-17
CN201810151929.2A CN109475003B (zh) 2017-09-08 2018-02-14 一种信号发送、信号接收方法及装置
CN201810151929.2 2018-02-14

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/573,358 Continuation US10833834B2 (en) 2017-09-08 2019-09-17 Signal sending method and apparatus, and signal receiving method and apparatus

Publications (1)

Publication Number Publication Date
WO2019047773A1 true WO2019047773A1 (fr) 2019-03-14

Family

ID=65633486

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/103444 WO2019047773A1 (fr) 2017-09-08 2018-08-31 Procédé et dispositif d'émission et de réception de signaux

Country Status (1)

Country Link
WO (1) WO2019047773A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102447662A (zh) * 2010-09-30 2012-05-09 中国移动通信集团公司 多载波通信系统子载波配置方法和装置以及终端设备

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102447662A (zh) * 2010-09-30 2012-05-09 中国移动通信集团公司 多载波通信系统子载波配置方法和装置以及终端设备

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PANASONIC: "Discussion on Frequency Domain Frame Structure for NR", 3GPP TSG RAN WGI MEETING #87 R1-1611892, 4 November 2016 (2016-11-04), pages 1 - 5, XP051189163 *
See also references of EP3678430A4 *
ZTE ET AL.: "Implicit DC Sub-Carrier Indication", 3GPP TSG RAN WGI AH NR MEETING R1-1700266, 10 January 2017 (2017-01-10), pages 1 - 5, XP051207804 *

Similar Documents

Publication Publication Date Title
US10764884B2 (en) Method for sending or receiving physical downlink control channel and device
CN110176981B (zh) 参考信号的传输方法和传输装置
CN109392182B (zh) 一种信息发送、信息接收方法及装置
CN110138534B (zh) 一种信号的发送方法、装置以及可读存储介质
US20220271886A1 (en) Dynamic Adaptation of Reference Signal Transmissions in Wireless Communications
TW202139748A (zh) 針對應用的切片分配和介面
WO2020237489A1 (fr) Procédé et appareil de communication et support de données lisible par ordinateur
US20230198715A1 (en) Phase tracking reference signal sending method and receiving method and communication apparatus
US20220159669A1 (en) PDCCH Enhancement for Group Paging
EP3657871A1 (fr) Procédé, dispositif et système d'indication de format de créneau temporel
WO2018202027A1 (fr) Procédé et appareil de détermination du type d'espacement de sous-porteuse
US20220304011A1 (en) Control Signaling for Physical Control Channel Reliability Enhancement
CN110149293B (zh) 一种ofdm基带信号生成方法及装置
EP3496352B1 (fr) Procédé et appareil de réglage de symbole
TWI729165B (zh) 信號傳輸方法和設備
WO2018127177A1 (fr) Procédé et dispositif de fourniture de notification relative à des informations de capacité concernant un dispositif de communication
US20220312400A1 (en) Symbol Level Beam Sweeping Configuration
WO2019047773A1 (fr) Procédé et dispositif d'émission et de réception de signaux
WO2020087982A1 (fr) Appareil et procédé de communication et support d'informations
CN113016160B (zh) 一种通信方法及装置
CN111756509B (zh) 一种传输公共信号块的方法和装置
US20220312233A1 (en) Symbol Level Beam Sweeping Capability Reporting
WO2019029402A1 (fr) Procédé et appareil d'émission de signal

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18854265

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020513838

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112020004603

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 20207009458

Country of ref document: KR

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2018854265

Country of ref document: EP

Effective date: 20200331

ENP Entry into the national phase

Ref document number: 112020004603

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20200306