WO2021207959A1 - Procédé et appareil de transmission répétée et support de stockage lisible - Google Patents

Procédé et appareil de transmission répétée et support de stockage lisible Download PDF

Info

Publication number
WO2021207959A1
WO2021207959A1 PCT/CN2020/084852 CN2020084852W WO2021207959A1 WO 2021207959 A1 WO2021207959 A1 WO 2021207959A1 CN 2020084852 W CN2020084852 W CN 2020084852W WO 2021207959 A1 WO2021207959 A1 WO 2021207959A1
Authority
WO
WIPO (PCT)
Prior art keywords
time slots
transmission parameters
transmission
same
parameters corresponding
Prior art date
Application number
PCT/CN2020/084852
Other languages
English (en)
Chinese (zh)
Inventor
徐伟杰
左志松
Original Assignee
Oppo广东移动通信有限公司
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
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202080095871.XA priority Critical patent/CN115053600A/zh
Priority to PCT/CN2020/084852 priority patent/WO2021207959A1/fr
Publication of WO2021207959A1 publication Critical patent/WO2021207959A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • This application relates to the field of communication technology, and in particular, to a repeated transmission method, device, and readable storage medium.
  • the Internet of Things plays a huge role in all aspects of people's production and life, such as smart homes, smart cities, smart factories, remote monitoring, and smart transportation. .
  • people have proposed an effective coverage enhancement solution, that is, multiple time slots (slots) are used to repeatedly transmit data.
  • the specific transmission parameters of the repeated transmission process are determined by the high-level configuration. For example, transmission parameters such as pilot configuration, transmit power, and time-frequency domain resources in repeated transmission can be determined by high-level configuration.
  • the embodiments of the present application provide a repeated transmission method, device, and readable storage medium to improve the flexibility of repeated transmission, thereby improving the performance of repeated transmission and system efficiency.
  • an embodiment of the present application provides a repeated transmission method.
  • the method includes: a terminal device processes the OFDM symbols of the N timeslots according to the transmission parameters corresponding to the N timeslots, wherein the N The transmission parameters corresponding to each time slot are not completely the same.
  • the N time slots correspond to the same transmission block TB or the same control information or the same signal, and N is an integer greater than 1.
  • an embodiment of the present application provides a repeated transmission method.
  • the method includes: a network device processes the OFDM symbols of the N timeslots according to the transmission parameters corresponding to the N timeslots, wherein the N timeslots The transmission parameters corresponding to each time slot are not completely the same.
  • the N time slots correspond to the same transmission block TB or the same control information or the same signal, and N is an integer greater than 1.
  • an embodiment of the present application provides a terminal device, including: a processing module, configured to process the OFDM symbols of the N timeslots according to the transmission parameters corresponding to the N timeslots, wherein the N The transmission parameters corresponding to each time slot are not completely the same.
  • the N time slots correspond to the same transmission block TB or the same control information or the same signal, and N is an integer greater than 1.
  • an embodiment of the present application provides a network device, including: a processing module, configured to process the OFDM symbols of the N timeslots according to the transmission parameters corresponding to the N timeslots, wherein the N The transmission parameters corresponding to each time slot are not completely the same.
  • the N time slots correspond to the same transmission block TB or the same control information or the same signal, and N is an integer greater than 1.
  • an embodiment of the present application provides an electronic device, including: a processor, a memory, and an interface for communicating with a network device;
  • the memory stores computer execution instructions
  • the processor executes the computer-executable instructions stored in the memory, so that the processor executes the method according to any one of the first aspect.
  • an embodiment of the present application provides an electronic device, including: a processor, a memory, and an interface for communicating with a terminal device;
  • the memory stores computer execution instructions
  • the processor executes the computer-executable instructions stored in the memory, so that the processor executes the method according to any one of the first aspect.
  • an embodiment of the present application provides a computer-readable storage medium that stores a computer-executable instruction, and when the computer-executable instruction is executed by a processor, it is used to implement any one of the first aspect. The method described in the item.
  • an embodiment of the present application provides a computer-readable storage medium having computer-executable instructions stored in the computer-readable storage medium, and when the computer-executable instructions are executed by a processor, they are used to implement any one of the second aspect. The method described in the item.
  • an embodiment of the present application provides a computer program product, including: program instructions, which are used to implement the method described in any one of the first aspects above.
  • an embodiment of the present application provides a computer program product, including: program instructions, which are used to implement the method described in any one of the second aspects above.
  • an embodiment of the present application provides a program, when the program is executed by a processor, it is used to execute the method described in any one of the first aspects above.
  • an embodiment of the present application provides a program, when the program is executed by a processor, it is used to execute the method described in any one of the second aspect above.
  • an embodiment of the present application may also provide a chip, which includes a processing module and a communication interface, and the processing module can execute the method described in any one of the first aspect above.
  • the chip also includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the chip to execute the first The method of any one of aspects.
  • a storage module such as a memory
  • the storage module is used to store instructions
  • the processing module is used to execute the instructions stored in the storage module
  • the execution of the instructions stored in the storage module causes the chip to execute the first The method of any one of aspects.
  • an embodiment of the present application may also provide a chip, including: a processing module and a communication interface, and the processing module can execute the method described in any one of the second aspect above.
  • the chip further includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the chip to execute the second The method of any one of aspects.
  • a storage module such as a memory
  • the storage module is used to store instructions
  • the processing module is used to execute the instructions stored in the storage module
  • the execution of the instructions stored in the storage module causes the chip to execute the second The method of any one of aspects.
  • the embodiments of the present application provide a repeated transmission method, device, and readable storage medium.
  • the method processes the OFDM symbols included in the N time slots according to the transmission parameters corresponding to the N time slots, wherein the above N Each time slot corresponds to the same transmission block TB or the same control information or the same signal; since the transmission parameters corresponding to the N time slots are not completely the same, the flexibility of repeated transmission is improved and the system efficiency is improved.
  • FIG. 1 is a schematic structural diagram of a communication system to which an embodiment of this application is applicable;
  • FIG. 2 is a flowchart of a repeated transmission method provided by an embodiment of the application
  • FIG. 3 is a structural diagram of a DMRS pattern corresponding to a repeatedly transmitted PUSCH provided by an embodiment of this application;
  • FIG. 4 is a schematic structural diagram of multi-slot PUSCH transmission shown in another embodiment of this application.
  • FIG. 5 is a schematic structural diagram showing partial overlap between multi-slot PUSCH transmission and multi-slot PUCCH transmission according to an embodiment of the application;
  • FIG. 6 is a flowchart of a repeated transmission method provided by another embodiment of this application.
  • FIG. 7 is a flowchart of a repeated transmission method provided by another embodiment of this application.
  • FIG. 8 is a flowchart of a repeated transmission method provided by another embodiment of this application.
  • FIG. 9 is a flowchart of a repeated transmission method provided by another embodiment of this application.
  • FIG. 10 is a flowchart of a repeated transmission method provided by another embodiment of this application.
  • FIG. 11 is a schematic structural diagram of a terminal device provided by an embodiment of this application.
  • FIG. 12 is a schematic structural diagram of a network device provided by an embodiment of this application.
  • FIG. 13 is a schematic structural diagram of an electronic device provided by another embodiment of this application.
  • FIG. 14 is a schematic structural diagram of an electronic device provided by another embodiment of the application.
  • MTC machine type communication
  • eMTC enhanced machine type communication
  • NB-IoT Narrow Band Internet of Things
  • technical standard These technical standards are expected to play a huge role in all aspects of people's production and life, such as smart homes, smart cities, smart factories, remote monitoring, and smart transportation.
  • the existing MTC/eMTC and NB-IoT terminals have low cost, low price, ultra-low power consumption, and support for deep and extensive coverage scenarios, and other technical advantages, so they are conducive to the rapid popularization of IoT technology in the early development stage.
  • these technologies also have limitations in some application scenarios. Due to MTC/eMTC, the design goal of NB-IoT is to support some applications with low data rates and high transmission delays. Therefore, in some IoT scenarios that require relatively high rates For example, video surveillance in smart security and industrial applications that require relatively low latency cannot be applied. For example, if 5G new air interface (NR) terminals are directly used, the design indicators of NR terminals, such as transmission rate, transmission delay, etc. It far exceeds the actual needs of these scenarios, and the relatively high cost is not conducive to market competition.
  • NR new air interface
  • NR terminals need to support at least 2 receiving channels, and NR terminals on certain frequency bands need to support 4 receiving channels; each receiving channel includes receiving antennas, filters, PA power amplifiers, AD samplers and other components. Therefore, reducing the number of radio frequency channels that NR terminals need to be equipped with will significantly reduce terminal costs. Some research results show that reducing the terminal with two radio frequency channels into one radio frequency channel can reduce the cost of the chip module by about 1/3.
  • the reduction in the number of receiving antennas will also affect the receiving performance of the terminal and further affect the downlink coverage.
  • the number of receiving antennas of the terminal is reduced by half. If it is reduced from 2 receiving antennas to 1 receiving antenna, the reception of the downlink channel will lose about 3dB. Therefore, in order to compensate for the impact of reducing the number of radio frequency channels of the terminal on the downlink coverage, it is necessary to design a signal transmission mechanism to compensate and recover the loss of downlink coverage.
  • the communication module may be placed in an area blocked by metal objects (such as robotic arms). Therefore, the network signal will be further lost.
  • metal objects such as robotic arms
  • the channel penetration loss is relatively large, and the network coverage There may be some coverage holes or weak coverage at the edge of the cell.
  • the repeated transmission is a more typical and effective coverage enhancement scheme.
  • 2 repetitive transmissions can bring a combined gain of 3dB relative to a single transmission; 10 repetitive transmissions can bring a combined gain of 10dB.
  • NR has supported multi-slot physical downlink shared channel (multi-slot PDSCH) and multi-slot physical uplink shared channel (multi-slot PUSCH) transmission schemes to improve the transmission performance of PDSCH and PUSCH and enhance signal coverage. details as follows:
  • the resource allocation for PDSCH scheduling can be applied to aggregationFactorDL consecutive time slots.
  • the transmission block (TB) block transmitted to the UE is in the aggregationFactorDL consecutive time slots.
  • the slot is repeated, and at this time, the transmission of PDSCH is limited to the transmission of a single MIMO layer.
  • Multi-slot PDSCH cannot be transmitted in a slot with UL symbol in the allocated symbol (symbol), but can be repeatedly transmitted in a slot in which the allocated symbol is a flexible symbol or a DL symbol.
  • NR multi-slot PUSCH and NR multi-slot PDSCH are similar transmission mechanisms.
  • aggregationFactorUL>1 the same PUSCH TB block is repeatedly transmitted in aggregationFactorUL PUSCH slots, and the redundancy version of the nth transmitted TB block of the repeated transmission is determined based on Table 1 above.
  • Multi-slot PUSCH cannot be transmitted in a slot with a DL symbol in the allocated symbol, but can be repeatedly transmitted in a slot with a flexible symbol or a UL symbol in the allocated symbol.
  • the multi-slot PDSCH/PUSCH is transmitted in multiple consecutive slots.
  • Multi-slot PDSCH can be transmitted in DL slot, or the allocated symbols are downlink or flexible symbols, or in flexible time slots; multi-slot PUSCH can be in UL slot, or the allocated symbols are uplink or flexible
  • the symbols are transmitted in time slots, or flexible time slots.
  • the pilot configuration, power, resource allocation, and subcarrier spacing of each time slot are the same. It is difficult to adapt to the flexibility of the 5G NR network, resulting in repeated transmissions The performance is poor and the system efficiency is low.
  • the core idea of the repeated transmission method provided by the embodiments of the present application is that in repeated transmission, different transmission parameters are used for different time slots in multiple time slots, so that the repeated transmission can be more flexible and the system efficiency can be improved.
  • the repeated transmission method provided in the embodiments of the present application can not only be applied to the transmission of data, but also can be applied to the transmission of control information, and can also be applied to the transmission of signals. Moreover, the repeated transmission method provided by the embodiments of the present application can not only be applied to 5G networks, but also can be applied to other
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access, code division multiple access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE FDD Frequency Division Duplex
  • LTE TDD Time Division Duplex
  • LTE-A Advanced long term evolution
  • NR New Radio
  • NR New Radio
  • LTE-U LTE- Based Access To Unlicensed Spectrum, LTE on the unlicensed frequency band system
  • NR-U NR-Based Access To Unlicensed Spectrum, NR on the unlicensed frequency band
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • WLAN Wireless Local Area Networks, wireless local area networks
  • WiFi Wireless Fidelity
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be an evolved base station (Evolutional Node B, eNB or eNodeB) in an LTE system, or a radio controller in CRAN (Cloud Radio Access Network, cloud radio access network), or
  • the network equipment may be a mobile switching center, a relay station, an access point, a hub, a switch, a bridge, a router, a network side equipment in a 5G network, or a network equipment in a future communication system, etc.
  • the communication system 100 also includes at least one terminal device 120 located within the coverage area of the network device 110.
  • the "terminal” used here includes, but is not limited to, connection via wired lines, such as PSTN (Public Switched Telephone Networks), DSL (Digital Subscriber Line), digital cable, and direct cable connection; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, WLAN (Wireless Local Area Network, wireless local area network), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another terminal's device configured to receive/send communication signals; and/or IoT (Internet of Things, Internet of Things) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • wireless interface such as for cellular networks, WLAN (Wireless Local Area Network, wireless local area network), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another terminal's device configured to receive/send communication signals; and/
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; PCS (Personal Communications System) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with Internet access, web browser, memo pad, calendar, and/or GPS (Global Positioning System) receiver; and conventional laptop and/or palm-type receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal equipment can refer to access terminal, UE (User Equipment), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, terminal, wireless communication equipment, user agent or User device.
  • the access terminal can be a cellular phone, a cordless phone, SIP (Session Initiation Protocol) phone, WLL (Wireless Local Loop, wireless local loop) station, PDA (Personal Digital Assistant, personal digital processing), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • the 5G communication system or 5G network may also be referred to as an NR system or NR network.
  • Figure 1 exemplarily shows a network device and a terminal device.
  • the network device may be the sender device, and the terminal device may be the receiver device; in other cases, the terminal device may be the sender device, and the network device may be the receiver device.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 having a communication function and a terminal device 120.
  • the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities and other network entities, which are not limited in the embodiment of the present application.
  • FIG. 2 is a flowchart of a repeated transmission method provided by an embodiment of the application. It should be noted that the repeated transmission method provided in this embodiment may be adapted to the case where the terminal device is the sender device, and may also be applicable to the case where the terminal device is the receiver device. As shown in Figure 2, the method of this embodiment includes:
  • the terminal device processes the OFDM symbols of the N time slots according to the transmission parameters corresponding to the N time slots, where the transmission parameters corresponding to the N time slots are not completely the same, and the N time slots correspond to The same transport block TB or the same control information or the same signal.
  • N time slots are N time slots included in repeated transmission, and N is an integer greater than 1, and the N time slots may correspond to the same transmission block, or the same control information, or the same signal.
  • the OFDM symbols included in the N timeslots may be, for example, the OFDM symbols included in the PUSCH of N timeslots, or the OFDM symbols included in the PDSCH of N timeslots; if N The time slots correspond to the same control information, the OFDM symbols included in the N time slots may be, for example, the OFDM symbols included in the PUCCH of N time slots, or the OFDM symbols included in the PDCCH of N time slots, or N time slots.
  • OFDM symbols included in the PRACH if N time slots correspond to the same signal, for example, Channel State Information Reference Signal (CSI-RS), Synchronization Signal Block (SSB), Channel Sounding For reference signals (Sounding Reference Signal, SRS), etc., among the OFDM symbols included in the N time slots, the OFDM symbols included in each time slot include OFDM symbols that carry the above-mentioned signals.
  • CSI-RS Channel State Information Reference Signal
  • SSB Synchronization Signal Block
  • SRS Channel Sounding For reference signals
  • SRS Sounding Reference Signal
  • the foregoing repeated transmission including N time slots may be uplink transmission of physical channels or physical signals, or downlink transmission of physical channels or physical signals.
  • repeated transmission may also be referred to as multi-slot transmission.
  • the transmission parameters corresponding to the N time slots can be determined by the terminal equipment according to the configuration information sent by the network equipment, that is, the network equipment instructs the terminal equipment to transmit the transmission parameters corresponding to the above N time slots; or, It is preset, that is, it is pre-defined in the agreement, which is not limited in the embodiment of this application.
  • the transmission parameters corresponding to the N time slots are not completely the same, for example, the following situations may be included:
  • the above N time slots respectively correspond to different transmission parameters.
  • repeated transmission includes 12 time slots, namely time slot 0 to time slot 11, and time slot 0 to time slot 11 respectively correspond to one transmission parameter, and these 12 transmission parameters are completely different.
  • N time slots take M time slots as the cycle, and different time slots included in each cycle correspond to the same transmission parameters, and different time slots in adjacent cycles correspond to different transmission parameters, where M is greater than or An integer equal to 1.
  • repeated transmission includes 12 time slots, namely time slot 0 to time slot 11. With 4 time slots as the cycle, time slot 0 to time slot 3 all correspond to transmission parameter 1, and time slot 4 to time slot 7 all correspond to Transmission parameter 2, time slot 8 to time slot 11 correspond to transmission parameter 3; or, repeated transmission includes 12 time slots, with 4 time slots as the cycle, time slot 0 to time slot 3 all correspond to transmission parameter 1, time slot Time slot 4 to time slot 7 all correspond to transmission parameter 2, and time slot 8 to time slot 11 all correspond to transmission parameter 1.
  • N time slots take M time slots as the cycle, and the different time slots included in each cycle correspond to different transmission parameters that are not completely the same, and in adjacent cycles, time slots in the same position correspond to the same transmission parameters.
  • M is an integer greater than or equal to 1.
  • repeated transmission includes 12 time slots, namely time slot 0 to time slot 11.
  • time slot 0 and time slot 1 correspond to transmission parameter 1
  • time slot 2 and time slot 3 both correspond Transmission parameter 2
  • the cycle is carried out in the order of the transmission parameters corresponding to time slot 0 to time slot 3, that is, time slot 4 and time slot 5 correspond to transmission parameter 1
  • time slot 6 and time slot 7 Both correspond to transmission parameter 2
  • time slot 8 and time slot 9 both correspond to transmission parameter 1
  • time slot 10 and time slot 11 both correspond to transmission parameter 2.
  • time slot 0 to time slot 3 may also correspond to different transmission parameters
  • the transmission parameters corresponding to time slot 0 to time slot 3 are circulated in the order of the respective transmission parameters.
  • the transmission parameters corresponding to the N time slots may not be exactly the same, or M time slots may not be used as the cycle, as long as it is satisfied that the transmission parameters corresponding to the N time slots are not completely the same.
  • the embodiment of the present application does not limit the specific implementation manners in which the transmission parameters respectively corresponding to the N time slots are not completely the same.
  • the transmission parameters may include one or a combination of reference signal configuration, transmission power, time-frequency domain resources, and subcarrier spacing.
  • the reference signal used for channel demodulation is generally inserted into a DMRS (demodulation reference signal) with a slot (time slot) as a time unit.
  • the demodulation reference signal is a signal pre-appointed by the sender and the receiver. It has a fixed time-frequency characteristic and is also pre-configured with a given sequence.
  • the DMRS structure can be referred to as shown in FIG. 3.
  • port 0 represents a port of the DMRS
  • the receiver device can demodulate the data carried by the payload in the time slot through the DMRS.
  • PUSCH mapping pattern type A mapping type A
  • pattern type B mapping type B
  • l d represents the number of OFDM symbols occupied by the PUSCH in the time domain.
  • l may have several values, among which l 0 is always the first OFDM symbol in the PUSCH area, that is, the time domain position of the pre-DMRS. The actual value is zero, which means the first OFDM symbol in the time domain of the PUSCH area.
  • the other items in Table 1 are the time domain positions of the additional reference signals. For example, "l 0 ,7,11" means that two DMRS symbols are added, respectively on the 7th OFDM symbol and the 11th OFDM symbol.
  • the above “pos x” parameter selection can be obtained through the configuration of the high-level RRC. For example, by “dmrs-AdditionalPosition ⁇ pos0, pos1, pos3 ⁇ ".
  • each time slot uses the same demodulation reference signal symbol position.
  • the demodulation performance of the OFDM symbols farther from the pre-DMRS in the repeatedly transmitted time slot is poor.
  • the reference signal configuration includes one or a combination of the number of reference signal symbols, the frequency density of the reference signal, and the number of antenna ports.
  • the reference signal configurations corresponding to the N time slots are not completely the same.
  • the reference signal configuration of the first time slot can be more. Reference signal symbols, more reference signal frequency density, and more antenna ports; the reference signal configuration of the later time slot has fewer reference signal symbols, less reference signal frequency density, and fewer antenna ports.
  • the receiver device may use reference signals at different times to jointly perform channel estimation, thereby improving channel estimation performance. Since multi-slot transmission may be for weak cell coverage or low SNR working intervals, the improvement of channel estimation performance is particularly important for the improvement of system performance.
  • the channel estimation results H1, H2, H3, H4 of each time slot are obtained based on the pilot DMRS in each time slot respectively; further, based on the channel estimation results of each time slot described above
  • Channel equalization is performed on the PUSCH received signal of each time slot; finally, the equalized PUSCHs of multiple time slots are combined, and processed through steps such as demodulation and decoding.
  • the base station when processing each time slot PUSCH, can combine the pilot DMRS before that time slot to obtain a joint channel estimation result, thereby improving performance.
  • the base station equalizes the PUSCH of the first time slot based on the aforementioned H1; when processing the PUSCH of the second time slot; the base station obtains H2' based on the aforementioned H1 and H2 (for example, weights are taken according to the aforementioned channel estimation result H1 and signal estimation result H2 Get H2' on average), and use H2' to equalize the PUSCH of the second time slot; similarly, the base station obtains H3' based on the aforementioned H1, H2, and H3, and uses H3' to equalize the PUSCH of the third time slot ; And so on, until the channel estimation results of all time slots are obtained.
  • the processed channel estimation results corresponding to the nth time slot are obtained based on the respective channel estimation results of the first n-1 time slots.
  • a possible implementation is to obtain the processed channel estimation result corresponding to the nth time slot according to the channel estimation results corresponding to the first n time slots and the weight coefficients corresponding to the first n time slots respectively.
  • n is an integer greater than or equal to 2 and less than or equal to N.
  • the weight coefficients corresponding to the respective time slots may be the same or different.
  • the weight coefficient corresponding to the time slot with the same reference signal configuration corresponding to the nth time slot is smaller than the reference corresponding to the nth time slot.
  • the weight coefficient corresponding to the time slot with a different reference signal configuration corresponding to the nth time slot may also change with the change of the pilot density, for example, the greater the pilot density, the larger the weight coefficient.
  • the channel estimation result of the previous time slot can be used in the subsequent time slots to improve the channel estimation performance. That is to say, in the multi-slot transmission process, the pilots in the earlier time slots can play a role in the channel estimation of the subsequent time slots. Therefore, the pilot density of the earlier time slots can be increased to improve The performance of the entire multi-slot transmission.
  • the higher the pilot density of the earlier time slots the higher the channel estimation performance of the earlier time slots; in addition, because the pilots of the earlier time slots can be used in the channel estimation of subsequent time slots Therefore, the higher the pilot density of the first time slot is, and the channel estimation performance of the later time slot can be improved at the same time, and the performance of multi-slot transmission can be effectively improved.
  • using different transmission powers for different time slots during multi-slot transmission is more conducive to improving system performance.
  • network equipment expects to control the total interference level of different time slots.
  • the total interference signal strength not only depends on the uplink signal transmission of a user, but also depends on the uplink signal transmission of other users in the cell or even in neighboring cells. Therefore, in the multiple time slots in which the multi-slot transmission is located, if the network device can predict the interference conditions and the interference level distribution of different time slots, the transmission power of each time slot in the multi-slot transmission can be set.
  • the multi-slot transmission of one channel may overlap or partially overlap with the multi-slot transmission of another channel.
  • the terminal's transmit power may be limited, so it is compared with the non-overlapping time. It also needs to adjust the power of uplink transmission.
  • FIG. 5 An example in which the multi-slot PUSCH and the multi-slot PUCCH partially overlap are shown in FIG. 5.
  • PUSCH transmission time slots 2, 3, corresponding to PUCCH transmission time slots 0 and 1 the two are overlapped. Therefore, the overlapping time slot terminal equipment needs to send two channels, and the total transmission power needs to be in the two channels. Therefore, the channel is restricted.
  • the receiving device when it performs reception processing on the OFDM symbols of the received N time slots, it can obtain the weight coefficient of the time slot during reception processing according to the transmission power of each time slot, and the weight coefficient It can reflect the importance of the time slot in the receiving process. For example, a time slot with a higher transmission power corresponds to a larger weight coefficient, and a time slot with a lower transmission power corresponds to a smaller weight coefficient.
  • the resource allocation of PDSCH and PUSCH in each time slot is required to be consistent. This requirement makes multi-slot transmission not well adapted to the flexible frame structure of NR. And in the aggregationFactorDL consecutive time slots of PDSCH transmission, if the UE determines that one of the time slots contains UL symbols in the allocation symbols of the PDSCH transmission of the UE based on the configuration acquisition process of the time slot configuration, the terminal ignores the time slots. PDSCH reception.
  • the terminal ignores the time slot The PUSCH is sent.
  • the existing technology has at least the following two drawbacks:
  • Ignored or abandoned PDSCH and PUSCH transmissions reduce the number of effective transmissions, which is not conducive to obtaining coverage enhancement performance; 2) Multi-slot transmission cannot utilize the resources of the time slot containing some symbols.
  • a possible implementation manner for each time slot of multi-slot transmission, the network device authorizes the same time-frequency domain resource allocation, for example, using DCI to authorize the same time-frequency domain resource for the terminal device.
  • the terminal device When there is an unusable time domain symbol or unavailable frequency domain bandwidth in the allocated time domain symbol or frequency domain bandwidth in one of the time slots, the terminal device is not in the allocated time domain symbol or frequency domain bandwidth There are unavailable time domain symbols or unavailable frequency domain bandwidth for transmission. In other words, the terminal device does not perform transmission in the determined unavailable time domain symbol or unavailable frequency domain bandwidth, and transmits in other time-frequency domain resources authorized by the network device.
  • different time-frequency domain resource allocations can be authorized.
  • the DCI can authorize each time slot for different time slots. Time-frequency domain resource allocation of slots. In this way, the authorization sent in each time slot can be set reasonably according to the situation of the time slot.
  • multi-slot transmission can better adapt to the structure of NR flexible timeslot, and improve resource utilization efficiency and system work efficiency.
  • Different subcarrier intervals are set for N timeslots.
  • the subcarrier interval of some of the N timeslots is 15KHz
  • the subcarrier interval of other timeslots of the N timeslots is 30KHz.
  • the sub-carrier spacing is not limited to 15KHz and 30KHz.
  • the sub-carrier spacing can also be 30KHz, 60KHz, 120KHz, 240KHz, and so on.
  • a larger subcarrier interval can be used in some time slots of the repeated transmission, and a smaller subcarrier interval can be used in other time slots, so as to achieve OFDM frequency hopping and improve
  • the anti-interference ability of the system improves the performance of repeated transmission.
  • the processing of OFDM symbols of N time slots may be based on differences in physical channels or physical signals.
  • the sender device executes corresponding sending processing
  • the receiver device executes corresponding receiving processing.
  • the processing of the OFDM symbols of N time slots may include mapping and modulation; if the OFDM symbols of N time slots are When the OFDM symbol is an OFDM symbol included in N PDSCHs, and the terminal device is a receiver device, the processing for the OFDM symbols of the N timeslots may include demapping and demodulation.
  • the terminal device processes the OFDM symbols included in the N time slots according to the transmission parameters corresponding to the N time slots, where the above N time slots correspond to the same transmission block TB or the same control information or The same signal; since the transmission parameters corresponding to the N time slots are not completely the same, the flexibility of repeated transmission is improved, and the system efficiency is improved.
  • FIG. 6 is a flowchart of a repeated transmission method provided by another embodiment of the application. As shown in Figure 6, the method of this embodiment includes:
  • the terminal device receives the configuration information from the network device, and obtains the transmission parameters corresponding to the N time slots according to the configuration information.
  • the configuration information may include information for indicating transmission parameters corresponding to the N time slots, and the terminal device may determine the transmission parameters corresponding to the N time slots according to the configuration information.
  • the configuration information includes information used to indicate respective transmission parameters corresponding to some of the N time slots. For example, in N time slots, with M time slots as the cycle, the different time slots included in each cycle correspond to the same transmission parameters, and different time slots in adjacent cycles correspond to different transmission parameters, then the configuration information may include Used to indicate the transmission parameters corresponding to the M time slots in each divided period, the terminal device can determine the configuration mode of the transmission parameters according to the configuration information, and can further determine the M time slots in each divided period according to the configuration information Corresponding transmission parameters.
  • repeated transmission includes 12 time slots, namely time slot 0 to time slot 11; taking 4 time slots as the cycle, time slot 0 to time slot 3 correspond to transmission parameter 1, and time slot 4 to time slot 7 All correspond to transmission parameter 2, and time slot 8 to time slot 11 all correspond to transmission parameter 3.
  • the configuration information may include indication information for indicating transmission parameter 1, transmission parameter 2, and transmission parameter 3.
  • repeated transmission includes 12 time slots, namely time slot 0 to time slot 11.
  • time slot 0 and time slot 1 correspond to transmission parameter 1
  • time slot 2 and time slot 3 are both
  • the configuration information may include indication information for indicating transmission parameter 1 and transmission parameter 2.
  • the value of M can be indicated by the network device, for example, the configuration information includes the value of M; in other cases, the value of M can also be preset; in other cases, the value of M is also It may be determined by the terminal device according to the number of transmission parameters indicated by the configuration information.
  • the terminal device processes the OFDM symbols of the N time slots according to the transmission parameters respectively corresponding to the N time slots, where the transmission parameters corresponding to the N time slots are not completely the same, and the N time slots correspond to The same transport block TB or the same control information or the same signal.
  • step S201 is similar to step S101 in the embodiment shown in FIG. 2, and reference may be made to the detailed description in the embodiment shown in FIG. 2, which will not be repeated here.
  • the terminal device determines the transmission parameters corresponding to the N time slots through the configuration information sent by the network device, and processes the OFDM symbols included in the N time slots according to the determined transmission parameters respectively corresponding to the N time slots Among them, the above N time slots correspond to the same transmission block TB or the same control information or the same signal; since the transmission parameters corresponding to the N time slots are not completely the same, the flexibility of repeated transmission is improved, and the system is improved. efficient.
  • the configuration information includes information for indicating transmission parameters corresponding to some of the N time slots, the signaling overhead of the system can be reduced.
  • FIG. 7 is a flowchart of a repeated transmission method provided by another embodiment of the application. It should be noted that the repeated transmission method provided in this embodiment may be adapted to the case where the network device is the sender device, and may also be applicable to the case where the network device is the receiver device. As shown in Figure 7, the method of this embodiment includes:
  • the network device processes the OFDM symbols of the N time slots according to the transmission parameters corresponding to the N time slots, where the transmission parameters corresponding to the N time slots are not completely the same, and the N time slots correspond to The same transport block TB or the same control information or the same signal.
  • the foregoing N time slots are N time slots included in repeated transmission, and N is an integer greater than 1, and the N time slots may correspond to the same transmission block, or the same control information, or the same signal.
  • the foregoing repeated transmission including N time slots may be physical signals or uplink transmissions of physical signals, and may also be physical signals or downlink transmissions of physical signals.
  • the OFDM symbols included in the N time slots may be, for example, the OFDM symbols included in the PUSCH of N time slots, or the OFDM symbols included in the PDSCH of N time slots; if N Timeslots correspond to the same control information, the OFDM symbols included in the N timeslots may be, for example, the OFDM symbols included in the PUCCH of N timeslots, or the OFDM symbols included in the PDCCH of N timeslots, or N timeslots.
  • the OFDM symbols included in the PRACH of the slot; if N time slots correspond to the same signal, among the OFDM symbols included in the N time slots, the OFDM symbols included in each time slot include the OFDM symbol that carries the above-mentioned signal.
  • the transmission parameters corresponding to the N time slots can be determined by the terminal equipment according to the configuration information sent by the network equipment, that is, the network equipment instructs the terminal equipment to transmit the transmission parameters corresponding to the above N time slots; or, It is preset, that is, it is pre-defined in the agreement, which is not limited in the embodiment of this application.
  • the transmission parameters corresponding to the N time slots are not completely the same, for example, the following situations may be included:
  • the above N time slots respectively correspond to different transmission parameters.
  • N time slots take M time slots as the cycle, and different time slots included in each cycle correspond to the same transmission parameters, and different time slots in adjacent cycles correspond to different transmission parameters, where M is greater than or An integer equal to 1.
  • N time slots take M time slots as the cycle, and the different time slots included in each cycle correspond to different transmission parameters that are not completely the same, and in adjacent cycles, time slots in the same position correspond to the same transmission parameters.
  • M is an integer greater than or equal to 1.
  • the transmission parameters may include one or a combination of reference signal configuration, transmission power, time-frequency domain resources, and subcarrier spacing.
  • reference signal configuration for the detailed introduction of the transmission parameters, reference may be made to the detailed description in the embodiment shown in FIG. 2, which will not be repeated here.
  • the processing of the OFDM symbols of N time slots may be based on differences in physical signals or different physical signals.
  • the OFDM symbols of N time slots are the OFDM included in the N PUSCHs received by the network device.
  • the processing for the OFDM symbols of N slots may include demapping and demodulation; if the OFDM symbols of the N slots are OFDM symbols included in the N PDSCHs that need to be sent to the terminal device, then the processing for the N slots
  • the processing of OFDM symbols can include mapping and modulation.
  • the network device processes the OFDM symbols included in the N time slots according to the transmission parameters corresponding to the N time slots. Since the transmission parameters corresponding to the N time slots are not completely the same, the repeated transmission is improved. The flexibility of the system improves the efficiency of the system.
  • FIG. 8 is a flowchart of a repeated transmission method provided by another embodiment of this application. As shown in Figure 8, the method of this embodiment includes:
  • the network device sends configuration information to the terminal device.
  • the configuration information may include information for indicating the transmission parameters corresponding to the N time slots, and the terminal device can determine the transmission parameters corresponding to the N time slots according to the configuration information, and compare the received N time slots. OFDM symbols are processed.
  • the configuration information includes information used to indicate respective transmission parameters corresponding to some of the N time slots. For example, in N time slots, with M time slots as the cycle, the different time slots included in each cycle correspond to the same transmission parameters, and different time slots in adjacent cycles correspond to different transmission parameters, then the configuration information may include Used to indicate the transmission parameters corresponding to the M time slots in each divided period, the terminal device can determine the configuration mode of the transmission parameters according to the configuration information, and can further determine the M time slots in each divided period according to the configuration information Corresponding transmission parameters.
  • the network device processes the OFDM symbols of the N time slots according to the transmission parameters respectively corresponding to the N time slots, where the transmission parameters corresponding to the N time slots are not completely the same, and the N time slots correspond to The same transport block TB or the same control information or the same signal.
  • the network device may be the sender device, and the terminal device is the receiver device.
  • the network device sends configuration information indicating the transmission parameters corresponding to the N time slots to the terminal device, and processes the OFDM symbols of the N time slots according to the transmission parameters respectively corresponding to the N time slots. Since the transmission parameters corresponding to the N time slots are not completely the same, the flexibility of repeated transmission is improved, and the system efficiency is improved. In addition, the network device sends configuration information to the terminal device so that the terminal device can process the received OFDM symbols of the N time slots according to the configuration information, thereby ensuring the reliability of repeated transmission. In addition, if the configuration information includes information for indicating transmission parameters corresponding to some of the N time slots, the signaling overhead of the system can be reduced.
  • the sender device is a terminal device
  • the receiver device is a network device.
  • FIG. 9 is a flowchart of a repeated transmission method provided by another embodiment of the application. As shown in FIG. 9, the method of this embodiment includes:
  • the terminal device determines transmission parameters corresponding to N time slots, where the transmission parameters corresponding to the N time slots are not completely the same, and the transmission parameters include: reference signal configuration, time-frequency domain resources, and subcarrier spacing One or a combination of.
  • the transmission parameters corresponding to the above N time slots are determined according to the configuration information sent by the network device, and may also be preset.
  • the terminal device receives the configuration information sent by the network device.
  • the configuration information may include transmission parameters corresponding to the N time slots, or transmission parameters corresponding to some of the N time slots.
  • the terminal device performs transmission processing according to the transmission parameters corresponding to the N time slots, and generates OFDM symbols included in the N time slots.
  • the OFDM symbols of N timeslots generated by the terminal device are, for example, the OFDM symbols included in the PUSCH of N timeslots, or the OFDM symbols included in the PUCCH of N timeslots, or the PRACH of N timeslots includes OFDM symbol.
  • the sending processing performed by the terminal device is mapping and modulation.
  • the terminal device maps and modulates the OFDM symbols included in the N time slots according to the transmission parameters corresponding to the N time slots. Since the transmission parameters corresponding to the N time slots are not completely the same, the increase The flexibility of repeated transmission improves system efficiency.
  • S501 may further include:
  • the network device sends configuration information to the terminal device.
  • S503 The terminal device transmits N time slots according to the respective transmission powers of the N time slots, and the respective transmission powers of the N time slots are not completely the same.
  • the network device receives the OFDM symbols respectively corresponding to the N time slots sent by the terminal device.
  • the transmission power corresponding to the foregoing N time slots may be obtained by the terminal device according to the configuration of the network device, or may also be preset.
  • the terminal device transmits the aforementioned N time slots according to the acquired transmission powers respectively corresponding to the N time slots.
  • the network device receives data or control information or signals carried by the OFDM symbols of the N timeslots according to the transmission parameters corresponding to the N timeslots, and obtains the data or control information or signals carried by the OFDM symbols of the N timeslots.
  • the transmission parameters corresponding to the time slots are not completely the same.
  • the network device can perform joint channel estimation according to the reference signal configuration corresponding to the N time slots; perform channel equalization on the N time slots according to the processed channel estimation results respectively corresponding to the N time slots; and according to N
  • the equalized results of the time slots are combined, and processed through steps such as demodulation and decoding, so as to obtain the data or control information or signals carried by the OFDM symbols of the N time slots.
  • the sender device is a network device
  • the receiver device is a terminal device
  • FIG. 10 is a flowchart of a repeated transmission method provided by another embodiment of this application. As shown in FIG. 10, the method of this embodiment includes:
  • the network device determines transmission parameters corresponding to N time slots, where the transmission parameters corresponding to the N time slots are not completely the same, and the transmission parameters include: reference signal configuration, time-frequency domain resources, and subcarrier spacing One or a combination of.
  • the transmission parameters corresponding to the above N time slots may be acquired by the network device, or may be preset.
  • the network device performs transmission processing according to the transmission parameters corresponding to the N time slots, and generates OFDM symbols included in the N time slots.
  • the OFDM symbols of N timeslots generated by the network device are, for example, the OFDM symbols included in the PDSCH of N timeslots, or the OFDM symbols included in the PDCCH of N timeslots, or the PRACH of N timeslots includes OFDM symbol.
  • the network device maps and modulates the OFDM symbols included in the N time slots according to the transmission parameters corresponding to the N time slots. Since the transmission parameters corresponding to the N time slots are not completely the same, the repetition is improved. The flexibility of transmission improves system efficiency.
  • the network device transmits N time slots according to the respective transmission powers of the N time slots, and the respective transmission powers of the N time slots are not completely the same.
  • the network device receives the OFDM symbols respectively corresponding to the N time slots sent by the terminal device.
  • the transmission powers corresponding to the above N time slots may be obtained by the network equipment according to the interference conditions and interference level distributions of different time slots, or may also be determined according to their own channel overlap conditions. This is not limited.
  • the network device transmits the aforementioned N time slots according to the acquired transmission powers respectively corresponding to the N time slots.
  • the transmission parameters corresponding to the above N time slots are determined by the terminal device according to the configuration information sent by the network device, it may further include:
  • the network device sends configuration information to the terminal device.
  • the configuration information may include information used to indicate transmission parameters respectively corresponding to the N time slots, or information used to indicate transmission parameters respectively corresponding to some of the N time slots.
  • the terminal device obtains transmission parameters corresponding to the N time slots according to the configuration information.
  • the terminal device receives and processes the OFDM symbols of the N time slots according to the transmission parameters respectively corresponding to the N time slots, and obtains data or control information or signals carried by the OFDM symbols of the N time slots.
  • the terminal equipment can perform joint channel estimation according to the transmission parameter reference signal configuration corresponding to the N time slots; respectively perform channel equalization on the N time slots according to the processed channel estimation results corresponding to the N time slots; and
  • the equalized results of the N time slots are combined, and processed through steps such as demodulation and decoding, so as to obtain the data or control information or signals carried by the OFDM symbols of the N time slots.
  • FIG. 11 is a schematic structural diagram of a terminal device provided by an embodiment of this application.
  • the terminal device 200 provided in this embodiment includes: a processing module 201.
  • the processing module 201 is configured to process the OFDM symbols of the N time slots according to the transmission parameters corresponding to the N time slots.
  • the transmission parameters corresponding to the N time slots are not completely the same.
  • the N time slots correspond to the same transmission block TB or the same control information or the same signal, and N is an integer greater than 1.
  • the terminal device 200 provided in this embodiment can be used to execute the technical solution executed by the terminal device in any of the foregoing method embodiments, and its implementation principles and technical solutions are similar, and will not be repeated here.
  • the transmission parameters corresponding to the N time slots are not completely the same, including:
  • M timeslots are used as the period, and different timeslots included in each period correspond to the same transmission parameters, and different timeslots in adjacent periods correspond to different transmission parameters, where M is greater than or An integer equal to 1.
  • the transmission parameters corresponding to the N time slots are not completely the same, including:
  • the transmission parameters corresponding to the different time slots included in each cycle are not completely the same, and in adjacent cycles, the time slots at the same position correspond to the same transmission parameters, Among them, M is an integer greater than or equal to 1.
  • the transmission parameters corresponding to the N time slots are determined by the terminal device according to configuration information.
  • the terminal device further includes: a transceiver module; the transceiver module is specifically configured to receive the configuration information.
  • the transmission parameters corresponding to the N time slots are preset.
  • the transmission parameters include at least one or a combination of reference signal configuration, transmission power, time-frequency domain resources, and subcarrier spacing.
  • the reference signal configuration includes at least one or a combination of the number of reference signal symbols, the frequency density of the reference signal, and the number of antenna ports.
  • the processing module 201 is specifically configured to perform transmission processing according to respective transmission parameters corresponding to the N time slots to generate OFDM symbols of N time slots;
  • the transceiver module is further configured to send the OFDM symbols of the N time slots according to the respective transmission powers of the N time slots.
  • the processing module 201 is specifically configured to perform receiving processing according to the transmission parameters corresponding to the N time slots, and obtain the transmission block TB or control information or signal carried by the OFDM symbols of the N time slots. .
  • the terminal device provided in the embodiment of the present application may be used to execute the technical solution executed by the terminal device in any of the foregoing embodiments, and the implementation principle and the technical solution are similar, and details are not described herein again.
  • FIG. 12 is a schematic structural diagram of a network device provided by an embodiment of this application.
  • the terminal device 300 provided in this embodiment includes: a processing module 301.
  • the processing module is configured to process the OFDM symbols of the N time slots according to the transmission parameters respectively corresponding to the N time slots, wherein the transmission parameters corresponding to the N time slots are not completely the same, and the N time slots respectively correspond to different transmission parameters.
  • the time slots correspond to the same transmission block TB or the same control information or the same signal, and N is an integer greater than 1.
  • the network device 300 provided in this embodiment may be used to execute the technical solution executed by the network device in any of the foregoing method embodiments, and its implementation principles and technical solutions are similar, and will not be repeated here.
  • the transmission parameters corresponding to the N time slots are not completely the same, including:
  • M timeslots are used as the period, and different timeslots included in each period correspond to the same transmission parameters, and different timeslots included in adjacent periods correspond to different transmission parameters, where M is greater than or An integer equal to 1.
  • the transmission parameters corresponding to the N time slots are not completely the same, including:
  • the transmission parameters corresponding to the different time slots included in each cycle are not completely the same, and in adjacent cycles, the time slots at the same position correspond to the same transmission parameters, Among them, M is an integer greater than or equal to 1.
  • the transmission parameters corresponding to the N time slots are configured by the network device.
  • the network device further includes: a transceiver module; the transceiver module is used to send configuration information.
  • the transmission parameters corresponding to the N time slots are preset.
  • the transmission parameters include at least one or a combination of reference signal configuration, transmission power, time-frequency domain resources, and subcarrier spacing.
  • the reference signal configuration includes at least one or a combination of the number of reference signal symbols, the frequency density of the reference signal, and the number of antenna ports.
  • the processing module is specifically configured to perform transmission processing according to the respective transmission parameters corresponding to the N time slots to generate OFDM symbols of the N time slots;
  • the transceiver module is further configured to send the OFDM symbols of the N time slots according to the respective transmission powers of the N time slots.
  • the processing module is specifically configured to perform receiving processing according to respective transmission parameters corresponding to the N time slots, and obtain the transmission block TB or control information or signals carried by the OFDM symbols of the N time slots.
  • the network device provided in the embodiment of the present application may be used to execute the technical solution executed by the network device in any of the foregoing embodiments, and its implementation principles and technical solutions are similar, and will not be repeated here.
  • FIG. 13 is a schematic structural diagram of an electronic device provided by another embodiment of the application.
  • the electronic device 400 includes: a processor 411, a memory 412, and an interface 413 for communicating with other devices;
  • the memory 412 stores computer execution instructions
  • the processor 411 executes the computer-executable instructions stored in the memory, so that the processor 411 executes the technical solution executed by the terminal device in any of the foregoing method embodiments.
  • FIG. 13 is a simple design of an electronic device.
  • the embodiment of the present application does not limit the number of processors and memories in the electronic device.
  • FIG. 13 only uses 1 as an example for illustration.
  • the memory 412, the processor 411, and the interface 413 may be connected through the bus 414.
  • the memory 412 may be integrated in the processor 411.
  • FIG. 14 is a schematic structural diagram of an electronic device provided by another embodiment of the application.
  • the electronic device 500 includes: a processor 511, a memory 512, and an interface 513 for communicating with other devices;
  • the memory 512 stores computer execution instructions
  • the processor 511 executes the computer-executable instructions stored in the memory, so that the processor 511 executes the technical solution executed by the terminal device in any of the foregoing method embodiments.
  • FIG. 15 is a simple design of an electronic device.
  • the embodiment of the present application does not limit the number of processors and memories in the electronic device.
  • FIG. 15 only uses 1 as an example for illustration.
  • the memory 512, the processor 511, and the interface 513 may be connected by a bus 514.
  • the memory 512 may be integrated in the processor 511.
  • An embodiment of the present application provides a computer-readable storage medium, and the computer-readable storage medium stores computer-executable instructions.
  • the computer-executable instructions are executed by a processor, they are used to implement the execution of the terminal device in any of the above-mentioned embodiments.
  • An embodiment of the present application provides a computer-readable storage medium, and the computer-readable storage medium stores computer-executable instructions.
  • the computer-executable instructions are executed by a processor, they are used to implement the execution of the network device in any of the above embodiments.
  • the embodiment of the present application provides a computer program product, including: program instructions, which are used to implement the technical solution executed by the terminal device in any of the foregoing embodiments.
  • the embodiment of the present application provides a computer program product, including: program instructions, which are used to implement the technical solution executed by the network device in any of the foregoing embodiments.
  • the embodiments of the present application provide a program, when the program is executed by a processor, it is used to execute the technical solution executed by the terminal device in any of the foregoing embodiments.
  • the embodiment of the present application provides a program, when the program is executed by a processor, it is used to execute the technical solution executed by the network device in any of the foregoing embodiments.
  • An embodiment of the present application may also provide a chip, which includes a processing module and a communication interface, and the processing module can execute the technical solution executed by the terminal device in any of the foregoing embodiments.
  • the chip further includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the chip to perform any of the foregoing.
  • a storage module such as a memory
  • the storage module is used to store instructions
  • the processing module is used to execute the instructions stored in the storage module
  • the execution of the instructions stored in the storage module causes the chip to perform any of the foregoing.
  • An embodiment of the present application may also provide a chip, including: a processing module and a communication interface, and the processing module can execute the technical solution executed by the network device in any of the foregoing embodiments.
  • the chip further includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the chip to perform any of the foregoing.
  • a storage module such as a memory
  • the storage module is used to store instructions
  • the processing module is used to execute the instructions stored in the storage module
  • the execution of the instructions stored in the storage module causes the chip to perform any of the foregoing.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the modules is only a logical function division, and there may be other divisions in actual implementation, for example, multiple modules can be combined or integrated. To another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be through some interfaces.
  • the indirect coupling or communication connection of the modules may be in electrical, mechanical or other forms.
  • the processor may be a central processing unit (English: Central Processing Unit, abbreviated as: CPU), or other general-purpose processors, digital signal processors (English: Digital Signal Processor, referred to as DSP), application specific integrated circuit (English: Application Specific Integrated Circuit, referred to as ASIC), etc.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like. The steps in the method disclosed in this application can be directly embodied as being executed and completed by a hardware processor, or executed and completed by a combination of hardware and software modules in the processor.
  • All or part of the steps in the foregoing method embodiments may be implemented by a program instructing relevant hardware.
  • the aforementioned program can be stored in a readable memory.
  • the program executes the steps of the above-mentioned method embodiments; and the aforementioned memory (storage medium) includes: read-only memory (English: read-only memory, abbreviated as: ROM), RAM, flash memory, hard disk, Solid state drives, magnetic tapes (English: magnetic tape), floppy disks (English: floppy disk), optical discs (English: optical disc), and any combination thereof.

Landscapes

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

Abstract

Selon des modes de réalisation, la présente demande concerne un procédé et un appareil de transmission répétée, et un support de stockage lisible par ordinateur. Le procédé consiste : à traiter, selon des paramètres de transmission correspondant respectivement à N intervalles de temps, des symboles OFDM compris dans les N intervalles de temps, les N intervalles de temps correspondant à un même bloc de transmission (TB) ou à des mêmes informations de commande ou à un même signal. Les paramètres de transmission correspondant respectivement aux N intervalles de temps ne sont pas complètement identiques, ce qui permet d'améliorer la flexibilité de transmission répétée et d'améliorer l'efficacité du système.
PCT/CN2020/084852 2020-04-15 2020-04-15 Procédé et appareil de transmission répétée et support de stockage lisible WO2021207959A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080095871.XA CN115053600A (zh) 2020-04-15 2020-04-15 重复传输方法、装置及可读存储介质
PCT/CN2020/084852 WO2021207959A1 (fr) 2020-04-15 2020-04-15 Procédé et appareil de transmission répétée et support de stockage lisible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/084852 WO2021207959A1 (fr) 2020-04-15 2020-04-15 Procédé et appareil de transmission répétée et support de stockage lisible

Publications (1)

Publication Number Publication Date
WO2021207959A1 true WO2021207959A1 (fr) 2021-10-21

Family

ID=78084855

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/084852 WO2021207959A1 (fr) 2020-04-15 2020-04-15 Procédé et appareil de transmission répétée et support de stockage lisible

Country Status (2)

Country Link
CN (1) CN115053600A (fr)
WO (1) WO2021207959A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023109763A1 (fr) * 2021-12-16 2023-06-22 维沃移动通信有限公司 Procédé et appareil de transmission de prach et terminal
WO2023193634A1 (fr) * 2022-04-07 2023-10-12 中兴通讯股份有限公司 Procédé de transmission, dispositif électronique et support de stockage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019068739A1 (fr) * 2017-10-02 2019-04-11 Telefonaktiebolaget Lm Ericsson (Publ) Extension de groupage de prb
CN110710282A (zh) * 2017-06-09 2020-01-17 高通股份有限公司 新无线电系统中的功率控制
CN110999490A (zh) * 2017-08-22 2020-04-10 Lg电子株式会社 在无线通信系统中发送或接收无线信号的方法和设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110710282A (zh) * 2017-06-09 2020-01-17 高通股份有限公司 新无线电系统中的功率控制
CN110999490A (zh) * 2017-08-22 2020-04-10 Lg电子株式会社 在无线通信系统中发送或接收无线信号的方法和设备
WO2019068739A1 (fr) * 2017-10-02 2019-04-11 Telefonaktiebolaget Lm Ericsson (Publ) Extension de groupage de prb

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NTT DOCOMO, INC.: "Offline discussion for Rel-15 DL SPS and UL CG", 3GPP DRAFT; R1-1907792, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Reno, USA; 20190513 - 20190517, 16 May 2019 (2019-05-16), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051740066 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023109763A1 (fr) * 2021-12-16 2023-06-22 维沃移动通信有限公司 Procédé et appareil de transmission de prach et terminal
WO2023193634A1 (fr) * 2022-04-07 2023-10-12 中兴通讯股份有限公司 Procédé de transmission, dispositif électronique et support de stockage

Also Published As

Publication number Publication date
CN115053600A (zh) 2022-09-13

Similar Documents

Publication Publication Date Title
EP3937416B1 (fr) Systèmes et procédés pour sélectionner ou émettre des motifs de domaine fréquentiel pour signaux de référence de suivi de phase
WO2018141272A1 (fr) Terminal, dispositif de réseau et procédé de communication
EP2606617B1 (fr) Transmission de signaux de référence
CN108370361B (zh) 用于时分双工子帧中的上行链路传输的方法和装置
WO2018192015A1 (fr) Procédé et dispositif de configuration d'une direction de transmission de ressources temps-fréquence
WO2018202215A1 (fr) Procédé et appareil de configuration de signal de liaison montante et procédé et appareil de détermination de signal de liaison montante
CN109792425B (zh) 无线通信中的虚拟符号划分技术
EP2826191B1 (fr) Communications sans fil multi-flux dans la liaison montante
US20230137907A1 (en) Wireless communication method, terminal device, and network device
US11528630B2 (en) Methods and apparatus to facilitate layer 1 user equipment (UE) filtering for millimeter wave frequencies
WO2021207959A1 (fr) Procédé et appareil de transmission répétée et support de stockage lisible
WO2017132793A1 (fr) Procédé, système et appareil
CN114710979A (zh) 用于单载波波形的波束选择准则
JP2024037987A (ja) サブテラヘルツサブバンド平坦化フィードバック
TW202126088A (zh) 針對配置的路徑損耗參考信號和啟用的路徑損耗參考信號的ue能力報告
CN114830586A (zh) 用于上行链路波束激活的信令
WO2020210961A1 (fr) Procédé et dispositif de transmission de données de liaison latérale, et support d'informations
US11818772B2 (en) Static configuration for processing a message in a two-step random access procedure in an open radio access network
WO2023070653A1 (fr) Précodage de sous-bande de liaison montante avec rotation de phase sur la base d'une interprétation
WO2022109836A1 (fr) Collaboration d'équipement utilisateur
WO2022077142A1 (fr) Procédé d'envoi de canal partagé de liaison montante physique et appareil de communication
CN114698104A (zh) 一种指示天线端口的方法、装置与系统
CN115398949A (zh) 用于加快针对基于svd的预编码的csi反馈的新csi报告设置
CN108076442B (zh) 一种pusch传输块长度确定方法及用户设备
WO2021207958A1 (fr) Procédé et appareil de traitement de signal de référence et support de stockage lisible

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: 20931300

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20931300

Country of ref document: EP

Kind code of ref document: A1