WO2021207981A1 - 信道的传输方法、网络设备、终端和计算机可读存储介质 - Google Patents

信道的传输方法、网络设备、终端和计算机可读存储介质 Download PDF

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Publication number
WO2021207981A1
WO2021207981A1 PCT/CN2020/084972 CN2020084972W WO2021207981A1 WO 2021207981 A1 WO2021207981 A1 WO 2021207981A1 CN 2020084972 W CN2020084972 W CN 2020084972W WO 2021207981 A1 WO2021207981 A1 WO 2021207981A1
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Prior art keywords
resource
synchronization signal
signal block
broadcast channel
physical broadcast
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PCT/CN2020/084972
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English (en)
French (fr)
Inventor
贺传峰
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Oppo广东移动通信有限公司
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Priority to CN202080096120.XA priority Critical patent/CN115088335A/zh
Priority to PCT/CN2020/084972 priority patent/WO2021207981A1/zh
Publication of WO2021207981A1 publication Critical patent/WO2021207981A1/zh

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    • 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 channel transmission method, network equipment, terminal, and computer-readable storage medium.
  • the New Radio (NR) system is mainly to meet the needs of enhanced Mobile Broadband (eMBB) such high-speed, high-frequency spectrum and large-bandwidth services, while reducing other bandwidths, relaxing processing time, and antennas.
  • eMBB enhanced Mobile Broadband
  • MTC Machine Type Communication
  • NB-IoT Narrow Band Internet of Things
  • the embodiments of the present application expect to provide a channel transmission method, network equipment, terminal, and computer-readable storage medium to enhance the downlink coverage of the NR system.
  • the embodiment of the application provides a channel transmission method, which is applied to a network device, and includes: transmitting a first physical broadcast channel based on a first resource set; wherein, the first resource set includes: at least one first resource, one The first resource is the resource occupied by transmitting the physical broadcast channel once; the first physical broadcast channel is the retransmission of the second physical broadcast channel in the first synchronization signal block; the resource occupied by the second physical broadcast channel Is a sub-resource; the at least one first resource is different from the second resource occupied by the first synchronization signal block.
  • the embodiment of the application provides a channel transmission method, which is applied to a terminal, and includes: receiving a first physical broadcast channel based on a first resource set; wherein, the first resource set includes: at least one first resource, one first resource A resource is the resource occupied by receiving the physical broadcast channel once; the first physical broadcast channel is the retransmission of the second physical broadcast channel in the first synchronization signal block; the resource occupied by the second physical broadcast channel is Sub-resource; the at least one first resource is different from the second resource occupied by the first synchronization signal block.
  • the embodiment of the present application provides a network device, including:
  • the sending module is configured to send the first physical broadcast channel based on the first resource set;
  • the first resource set includes: at least one first resource, one first resource is a resource occupied by transmitting the physical broadcast channel once; the first physical broadcast channel is a second physical broadcast in a first synchronization signal block Channel retransmission; the resource occupied by the second physical broadcast channel is a sub-resource; the at least one first resource is different from the second resource occupied by the first synchronization signal block.
  • the embodiment of the present application provides a terminal, including:
  • the receiving module is configured to receive the first physical broadcast channel based on the first resource set; wherein,
  • the first resource set includes: at least one first resource, one first resource is the resource occupied by receiving the physical broadcast channel once; the first physical broadcast channel is the second physical broadcast in the first synchronization signal block Channel retransmission; the resource occupied by the second physical broadcast channel is a sub-resource; the at least one first resource is different from the second resource occupied by the first synchronization signal block.
  • An embodiment of the present application provides a network device, including: a first processor and a first memory configured to store a computer program that can run on the first processor,
  • the first processor is used to execute the steps of the method for transmitting the side channel of the network device when running the computer program.
  • the embodiment of the present application provides a terminal, including: a second processor and a second memory for storing a computer program that can run on the second processor,
  • the second processor is configured to execute the steps of the terminal-side channel transmission method when running the computer program.
  • the embodiment of the present application provides a computer-readable storage medium that is applied to a network device and stores a computer program.
  • the computer program is executed by one or more first processors, the first processor executes the above The transmission method of the side channel of the network equipment.
  • the embodiment of the present application provides a computer-readable storage medium, which is applied to a terminal and stores a computer program.
  • the computer program is executed by one or more second processors, the second processor executes the above-mentioned terminal The transmission method of the side channel.
  • the embodiments of the present application provide a channel transmission method, a network device, a terminal, and a computer-readable storage medium.
  • the network device transmits a first physical broadcast channel based on a first resource set; wherein, the first resource set includes: at least one The first resource, a first resource is the resource occupied by one physical broadcast channel; the first physical broadcast channel is the retransmission of the second physical broadcast channel in the first synchronization signal block; the resource occupied by the second physical broadcast channel is Sub-resource; at least one first resource is different from the second resource occupied by the synchronization signal block, that is, the network device retransmits the physical broadcast channel at least once based on the first resource set, so that the terminal can receive at least once
  • the physical broadcast channel enhances the downlink coverage of the NR system.
  • FIG. 1 is a block diagram of a communication system provided by an embodiment of this application.
  • FIG. 2 is a time-frequency structure diagram of a synchronization signal block provided by an embodiment of the application
  • FIG. 3 is a schematic diagram of time slot distribution of a synchronization signal block according to an embodiment of the application
  • FIG. 4 is a schematic diagram of the distribution of synchronization signal blocks in a time slot provided by an embodiment of the application.
  • FIG. 5 is a first schematic diagram of the distribution of a first resource provided by an embodiment of this application.
  • FIG. 6 is a second schematic diagram of the distribution of a first resource provided by an embodiment of this application.
  • FIG. 7 is a third schematic diagram of the distribution of a first resource provided by an embodiment of this application.
  • FIG. 8 is a fourth schematic diagram of the distribution of a first resource provided by an embodiment of this application.
  • FIG. 9 is a fifth schematic diagram of distribution of a first resource provided by an embodiment of this application.
  • FIG. 10 is a sixth schematic diagram of the distribution of a first resource provided by an embodiment of this application.
  • FIG. 11 is a schematic flowchart of a channel transmission method provided by an embodiment of this application.
  • FIG. 12 is a schematic diagram of a synchronization signal block bitmap provided by an embodiment of the application.
  • FIG. 13 is a seventh schematic diagram of the distribution of a first resource provided by an embodiment of this application.
  • FIG. 14 is a schematic flowchart of a channel transmission method further provided by an embodiment of this application.
  • FIG. 15 is a schematic diagram of interaction between a network device and a terminal according to an embodiment of this application.
  • FIG. 16 is a schematic diagram 1 of the structural composition of a network device provided by an embodiment of this application.
  • FIG. 17 is a schematic diagram 1 of the structural composition of a terminal provided by an embodiment of the application.
  • FIG. 18 is a second schematic diagram of the structural composition of a network device provided by an embodiment of this application.
  • FIG. 19 is a second schematic diagram of the structural composition of a terminal provided by an embodiment of the application.
  • FIG. 1 shows a block diagram of a communication system provided by an exemplary embodiment of the present application.
  • the communication system may include: a terminal 101 and a network device 102.
  • the terminal 101 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, as well as various forms of user equipment, mobile stations (Mobile Station, MS), Terminal (terminal device) and so on.
  • the network device 102 and the terminal 101 communicate with each other through a certain air interface technology, such as a Uu interface.
  • the network device 102 may be an evolved NodeB (eNB), an access point (AP) or a relay station in a Long Term Evolution (LTE) system, or it may be a base station (such as gNB) in a 5G system. Or transmission point (Transmission Point, TRP)), etc.
  • eNB evolved NodeB
  • AP access point
  • LTE Long Term Evolution
  • gNB base station
  • TRP transmission point
  • the network device 102 may also be a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN) scenario, a mobile switching center, a relay station, an access point, a vehicle-mounted device, a wearable device, a hub, a switch, a bridge,
  • the router or the network equipment in the future communication system can also be the base station in the NTN system (such as gNB or Transmission Point (TRP), Global System of Mobile communication, GSM) system, or code division multiple access ( The base station (Base TransceiverStation, BTS) of the Code Division Multiple Access (CDMA) system, or the base station (NodeB, NB) in the Wideband Code Division Multiple Access (WCDMA) system, etc., this application
  • the embodiment is not limited.
  • the network device 102 provides services for the cell, and the terminal 101 communicates with the network device 102 through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell.
  • the cell may be The cell corresponding to the network device 102 (for example, a base station).
  • the cell may belong to a macro base station or a base station corresponding to a small cell.
  • the small cell here may include: urban cell (etro cell), micro cell (Micro cell) , Pico cells, Femto cells, etc. These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-rate data transmission services.
  • the cell may also be a hypercell.
  • multiple cells may work at the same frequency on the carrier in the LTE system or the NR system at the same time.
  • the concept of the above-mentioned carrier and cell may also be considered equivalent.
  • CA Carrier Aggregation
  • the secondary carrier is configured for the UE
  • the carrier index of the secondary carrier and the cell identification (Cell ID) of the secondary cell working on the secondary carrier will be carried at the same time.
  • the concept of carrier and cell can be regarded as equivalent.
  • the UE accessing a carrier and accessing a cell are equivalent.
  • Common channels and signals in the NR system such as synchronization signal (Synchronization Signal, SS) and physical broadcast channel (Physical Broadcast Channel, PBCH), need to cover the entire cell by means of multi-beam scanning to facilitate reception by UEs in the cell.
  • the multi-beam transmission of synchronization signals is realized by defining the SS/PBCH burst set (SS/PBCH burst set).
  • An SS/PBCH burst set contains one or more SS/PBCH blocks (SS/PBCH block).
  • An SS/PBCH block is used to carry the synchronization signal and physical broadcast channel of a beam; therefore, an SS/PBCH burst set can contain the synchronization signals of the N beams corresponding to the SS/PBCH block in the cell, and the maximum number of SS/PBCH blocks L is related to the frequency band of the system. For example, when the frequency band of the system does not exceed 3GHz, the maximum number L of SS/PBCH blocks is 4; when the frequency band of the system is within the range of 3GHz and 6GHz, the maximum number L of SS/PBCH blocks is 8; When the frequency band of the system is within the range of 6GHz and 52.6GHz, the maximum number of SS/PBCH blocks L is 64.
  • a synchronization signal block (Synchronization Signal Block, SSB) is used to carry the synchronization signal and broadcast channel of a beam, and the SSB of all beams in the cell included in a synchronization signal set.
  • SSB Synchronization Signal Block
  • SSB is a set of time-frequency resources (resource units) transmitted on a basic orthogonal frequency division multiplexing (OFDM, Orthogonal Frequency Division Multiplexing, OFDM) grid, including the primary synchronization signal (Primary Synchronization Signal, PSS), Secondary synchronization signal (Secondary Synchronization Signal, SSS) and physical broadcast channel (Physical Broadcast Channel, PBCH).
  • OFDM Orthogonal Frequency Division Multiplexing
  • Figure 2 shows the time-frequency structure of a synchronization signal block.
  • the synchronization signal block lasts for 4 OFDM symbols in the time domain and 240 subcarriers (SC) in the frequency domain.
  • PSS is sent on the first OFDM symbol of the synchronization signal block, occupying 127 subcarriers in the frequency domain, and the remaining subcarriers are empty
  • SSS is sent on the third OFDM symbol of the synchronization signal block, occupying the same subcarriers as PSS Carrier, 8 and 9 sub-carriers are vacated at both ends of the SSS respectively
  • PBCH is sent on the second and fourth OFDM symbols of the synchronization signal block.
  • the PBCH is also sent using 48 subcarriers at both ends of the SSS.
  • SSB in an SS/PBCH burst set, all SSBs are sent within a time window of 5ms, and are sent repeatedly at a certain cycle.
  • the cycle can be configured through the upper-layer parameter SSB-timing.
  • SSB The period may be 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, etc., which is not limited in the embodiment of the present application.
  • the time slot distribution of the SSB in a half frame is related to the subcarrier spacing and the maximum number of SSBs in the synchronization signal set L.
  • Figure 3 shows a schematic diagram of the time slot distribution of a synchronization signal block. It can be seen that for different The sub-carrier interval, the number of time slots in a half frame is different, the maximum number L of SSB in the synchronization signal block burst set is different, and the corresponding time slot distribution is also different. As shown in Figure 3, taking a sub-carrier interval of 15KHz as an example, There are 5 time slots in a half frame, and one time slot can carry two SSBs. If L is 4, the SSB is sent in the first two time slots, and if L is 8, the SSB is sent in the first four time slots.
  • Figure 4 shows a schematic diagram of the distribution of synchronization signal blocks in a time slot.
  • A/B/C/D/E (CaseA/B/C/D/E).
  • a time slot includes 14 Taking CaseA as an example, the corresponding subcarrier spacing is 15KHz.
  • the first SSB occupies symbols 2-5, and the second SSB occupies symbols 8-11.
  • each SSB is distinguished by the SSB index (SSB index).
  • the value range of the SSB index is [0, L-1].
  • the terminal When the terminal receives an SSB, it can read the SSB index and half frame of the SSB Instruct, and then determine the symbol occupied by the SSB, after the terminal demodulates the PSS to obtain the length of one symbol, the time slot boundary can be obtained, that is, the frame synchronization is completed.
  • the SSB index is indicated by the DMRS of the PBCH or the information carried by the PBCH
  • the half-frame indication is indicated by the information carried by the PBCH.
  • the embodiment of the present application provides a channel transmission method, which is applied to a network device, and the method includes:
  • S101 Send a first physical broadcast channel based on a first resource set; where the first resource set includes: at least one first resource, one first resource is a resource occupied by a physical broadcast channel for one transmission; a first physical broadcast channel It is the retransmission of the second physical broadcast channel in the first synchronization signal block; the resources occupied by the second physical broadcast channel are sub-resources; at least one first resource is different from the second resource occupied by the first synchronization signal block.
  • the network device repeatedly transmits the second PBCH in the first SSB based on the first resource set, the repeatedly transmitted PBCH is the first PBCH, and the first PBCH is the retransmission of the second PBCH.
  • the first resource set includes at least one first resource, and each first resource is used to retransmit the second PBCH once. That is to say, the network device retransmits the second PBCH several times.
  • the first resource set correspondingly includes several first resources, that is, the number of first resources in the first resource set has the same value as the number of times the first PBCH is sent.
  • the second resource is the resource already occupied by the first SSB
  • the first resource is the resource occupied by the first PBCH. Therefore, each first resource in the first resource set is different, and each first resource is different from the second resource.
  • the second resource is different from the first resource and includes at least one of the following: 1) the frequency domain resources of the first resource and the sub-resource are different; 2) the time domain resources of the first resource and the second resource are different.
  • the frequency domain resource can be expressed as the number of occupied subcarriers and the frequency domain position of the subcarrier; the first resource and the subresource frequency domain resources are different, which means that the number of subcarriers occupied by the two is different, for example, the subcarrier contained in the first resource is ⁇ 0,49 ⁇ , the sub-resource contains sub-carriers ⁇ 0, 19 ⁇ , the first resource contains 50 sub-carriers, and the sub-resource contains 20 sub-carriers, the two frequency domain resources are different; or, the first resource and the sub-resource frequency domain The resource is different, which means that the two occupy the same number of subcarriers but the subcarrier frequency domain positions are different.
  • the subcarrier contained in the first resource is ⁇ 0,49 ⁇
  • the subcarrier contained in the subresource is ⁇ 50,99 ⁇ .
  • Both a resource and a sub-resource include 50 sub-carriers, but the frequency-domain positions of the two sub-carriers are different, and the frequency-domain resources of the two are different.
  • the time domain resources of the first resource and the second resource are different, which may include: 1) the symbol where the first resource is located is different from the frame where the second resource is located; 2) the frame where the first resource is located The symbol and the frame where the second resource is located are the same frame, but the half-frame where the two are located are different half-frames; 3) The symbol where the first resource is located is the same half-frame as the frame where the second resource is located, but both The time slot where the time slot is located is a different time slot; 4); the symbol where the first resource is located is the same time slot as the time slot where the second resource is located, but the symbols where the two are located are different symbols.
  • this application implements The examples are not limited.
  • the first resource may be preset or preset by the network device, which is not limited in the embodiment of the present application.
  • the network device can indicate the time domain resource and frequency domain resource of the first resource of the terminal through the indication information, and further, the network device instructs the terminal in the synchronization signal of the synchronization signal block Time domain resources and frequency domain resources of the first resource.
  • the network device encodes the original data that needs to be sent through the PBCH, and then maps it to the modulation symbols of the PBCH, carries the modulation symbols in the first PBCH and the second PBCH, and sends the first resource set based on the first resource set.
  • a physical broadcast channel In this way, the terminal can receive the first physical channel on the first set of resources.
  • the terminal can receive the first physical channel based on the first set of resources when the second physical channel fails to be received.
  • the modulation symbols in a physical channel are analyzed to obtain the original data.
  • the first PBCH is a retransmission of the second PBCH
  • the information carried by the first PBCH is at least partly the same as the information carried by the second PBCH, that is, the high-level information carried by the first PBCH includes at least the second
  • the high-level information carried by the PBCH, the physical layer information carried by the first PBCH and the physical layer information carried by the second PBCH may be the same or different, which is not limited in the embodiment of the present application.
  • the number of resource units included in the first resource and the sub-resource may be the same or different, which is not limited in the embodiment of the present application.
  • the number of resource units contained in the first resource and the sub-resource can be the same.
  • the network device can send the first PBCH on the first resource with the same number of resource units as the sub-resource, reducing the number of network devices.
  • the complexity of sending PBCH repeatedly.
  • the PBCH is used to carry the system information necessary for the terminal to access the system, feedback the ACK/NACK information of the uplink logical channel, and HARQ information.
  • the terminal may fail to receive the PBCH. If the PBCH reception fails, it will not be able to obtain the information carried in the PBCH, which will affect the terminal service. Therefore, the network device sends the second PBCH based on the second resource, and repeats the transmission based on the first resource set.
  • the first PBCH is used to retransmit the second PBCH, thereby enhancing the downlink coverage of the NR system.
  • the first synchronization signal block is included in at least one synchronization signal block corresponding to one time slot, and the at least one synchronization signal block forms a synchronization signal block set.
  • the number of SSBs sent by the network device in a time slot can be different, that is, the number of SSBs contained in the SSB set is different.
  • the fewer the number of SSBs in a time slot the first resource is available in a time slot
  • the more resources in the first resource set the greater the number of first resources in the first resource set.
  • the first PBCH on the resource thereby improving the downlink coverage in the NR system.
  • the first resource in a time slot, is a resource that is different from the time domain resource of the used resource occupied by the synchronization signal block set, and is the same resource as the frequency domain resource of the first resource and the sub-resource .
  • the network device sends the SSB set in one time slot, and sends the first PBCH in the same time slot.
  • the first resource of the first PBCH is the same as the used SSB in the same time slot.
  • the time domain resources of the resources are different, that is, in this time slot, the first resource is on the time domain resources other than the time domain resources occupied by the used resources; further, the first resource can be the same as the frequency domain resources of the sub-resources .
  • the first resource is different from the time domain resource of the used resource, which means the symbol occupied by the first resource is different from the symbol occupied by the used resource.
  • the symbol occupied by the used resource is As a symbol set, if all symbols in the symbols occupied by the first resource are not in the symbol set of the used resources, it means that the symbols occupied by the first resource are different from the symbols occupied by the used resources.
  • the symbols contained in the first resource are ⁇ 1, 2, 3 ⁇
  • the symbols contained in the used resources are ⁇ 4, 5, 6, 7 ⁇ , indicating that the symbols occupied by the first resource and the used resources are different, namely The time domain resources of the first resource and the used resource are different.
  • the frequency domain resources of the first resource and the sub-resources are the same, which means that the number of sub-carriers contained in the first resource and the sub-resources and the frequency-domain positions of the sub-carriers are the same.
  • the sub-carriers contained in the first resource are ⁇ 0,49 ⁇
  • the sub-carriers contained in the sub-resources are ⁇ 0, 49 ⁇
  • the number of both sub-carriers is 50
  • the frequency-domain positions of the sub-carriers are also the same.
  • the network device sends the first PBCH based on the first resource, and the frequency domain resources of the first resource and the sub-resource are the same, that is, the frequency domain resources of the first PBCH and the second PBCH sent by the network device are the same. This increases the downlink coverage of the NR system and reduces the complexity of repeated transmissions by network equipment.
  • the time domain resource of the used resource is the first symbol where the synchronization signal block set is located; for a time slot, the network device is on the second symbol based on the same frequency domain resource as the sub-resource
  • the frequency domain resource transmits the first physical broadcast channel; the second symbol is a symbol other than the first symbol in a time slot.
  • the time domain resource of the used resource is the symbol where the SSB is located in a time slot, and the set of these symbols is the first symbol, and in a time slot, the symbol different from the first symbol is the second symbol.
  • the time domain resource represented by the first symbol is a time domain resource different from the time domain resource represented by the second symbol.
  • the network device may send the first PBCH based on the same frequency domain resource as the frequency domain resource of the sub-resource on the second symbol, that is, in one time slot, the first resource occupied The symbol is different from the symbol occupied by the SSB in the time slot, and the frequency domain resources are the same.
  • the symbol where the second PBCH is located in the first symbol is used as the third symbol, and each symbol in the second symbol is used as the second sub-symbol. Since the second PBCH is retransmitted at least once, every third symbol The symbol corresponds to at least one second sub-symbol, and the network device repeatedly transmits the PBCH on the third symbol on the corresponding second sub-symbol.
  • Fig. 5 is a schematic diagram 1 of the distribution of a first resource provided by an embodiment of the application.
  • the SSBs sent by a network device in a time slot are SSB0 and SSB1, respectively.
  • SSB0 occupies symbols 2-5
  • SSB1 occupies Symbols 8-11;
  • the first symbol includes symbols 2-5 and 8-11,
  • the third symbol includes symbols 3-5 and 9-11, and
  • the second symbol includes 0, 1, 6, 7, 12, and 13, where the symbol PBCH0-1 on 0, 1, and 6 are repeated transmission of PBCH0 in SSB0, and PBCH1-1 transmitted on symbols 7, 12, and 13 are repeated transmission of PBCH1 in SSB1.
  • the third symbols 0, 1, and 6 correspond to the second sub-symbols 3, 4, and 5, respectively
  • the third symbols 7, 12, and 13 correspond to the second sub-symbols 9, 10, and 11, respectively
  • the PBCH0 on the third symbols 0, 1, and 6 respectively occupy the same frequency domain resources as the PBCH0 on the second sub-symbols 3, 4, and 5, and the PBCH1 on the third symbols 7, 12, and 13 and the second sub-symbol 9
  • the frequency domain resources occupied by PBCH1 on, 10 and 11 are the same.
  • the first resource in a time slot, is the same time domain resource as the third resource occupied by any synchronization signal block in the synchronization signal block set, and is the same as the sub-resource
  • the frequency domain resources are different resources.
  • the third resource is a resource occupied by any SSB in the same time slot as the first resource.
  • the network device sends the first PBCH on the same time domain resource as the time domain resource of the SSB, and the first The frequency domain resources of the PBCH and the SSB are different.
  • the network equipment sends the first PBCH on the same time domain resource as the SSB, and the frequency domain resources of the first PBCH and SSB are different. That is to say, when the network equipment sends the first PBCH and the second PBCH, The domain resources are the same, thus, while increasing the downlink coverage of the NR system, it also reduces the complexity of repeated transmission of the PBCH by the network.
  • the time domain resource of the third resource is the first sub-symbol where any synchronization signal block is located; for a time slot, the network device is based on the frequency domain of the sub-resource on the first sub-symbol. Frequency domain resources with different resources transmit the first physical broadcast channel.
  • the time domain resource of the third resource is the symbol where the SSB is located in a time slot, and the set of these symbols is the first sub-symbol.
  • the network device sends the first PBCH on the first sub-symbol, and In terms of sub-symbols, the frequency domain resource of the first resource is different from the frequency domain resource of the sub-resource.
  • the time domain resource of the third resource is the first sub-symbol where any SSB is located, the symbol where the PBCH is located in the first sub-symbol is taken as the fourth symbol, and the first PBCH on each fourth symbol is
  • the frequency domain resources in the first resource have the same distribution as the frequency domain resources of the second PBCH on the same symbol in the third resource.
  • Figure 6 is a second schematic diagram of the distribution of a first resource provided by an embodiment of this application.
  • a network device sends two SSBs in one time slot, namely SSB0 and SSB1; the first sub-symbol occupied by SSB0 2-5, the first sub-symbol symbol occupied by SSB1 is 8-11, PBCH0-1 on the fourth symbols 3, 4, and 5 are PBCH0 on the fourth symbols 3, 4, and 5 that are repeatedly transmitted, and the fourth symbol
  • the PBCH1-1 on symbols 9, 10, and 11 are the PBCH1 on the fourth symbols 9, 10, and 11 that are sent repeatedly; the number of subcarriers between the two PBCH0-1 on symbol 4 is the same, and the number of subcarriers on symbol 10 is the same.
  • the number of subcarriers spaced between the two PBCH1-1 is the same.
  • the network device repeatedly sends the PBCH on the symbol on one symbol, which further reduces the complexity of the network device repeatedly sending the PBCH.
  • the first physical broadcast channel is a physical broadcast channel in a second synchronization signal block
  • the fourth resource of the second synchronization signal block includes the first resource; the fourth The resource does not correspond to the synchronization grid.
  • the second SSB is the retransmitted SSB.
  • the network device can retransmit the PBCH by retransmitting the SSB.
  • the resource occupied by the retransmitted SSB is the fourth resource, and the fourth resource includes the first PBCH occupation The first resource.
  • the fourth resource does not correspond to the synchronization grid, which means that the retransmitted SSB is not on the synchronization grid, that is, if the network device wants to retransmit the SSB, the retransmitted SSB is not on the synchronization grid.
  • Fig. 7 is a third schematic diagram of the distribution of a first resource provided by an embodiment of the application.
  • a network device transmits two SSBs in one time slot, SSB0 and SSB1, SSB0 occupies symbols 2-5,
  • the PSS0-1 on the symbol 2 is the PSS0 on the same symbol that is repeatedly sent;
  • the SSS0-1 on the symbol 4 is the SSS0 on the same symbol that is repeatedly sent, and the PBCH0-1 on the symbols 3, 4, and 5 are respectively repeatedly sent PBCH0 on symbols 3, 4, and 5, PBCH1-1 on symbols 9, 10, and 11 are PBCH1 on symbols 9, 10, and 11 that are sent repeatedly;
  • the number of carriers is the same as the number of subcarriers spaced between two PBCH0, and the number of subcarriers spaced between SSS0-1 and two PBCH0-1 is the same as the number of subcarriers spaced between SSS0 and two PBCH0; where, The correspondence between time domain resources and frequency domain resources between
  • the first resource in a time slot, is different or partially different from the time domain resource of the third resource occupied by any one synchronization signal block in the synchronization signal block set, and is different from the sub
  • the frequency domain resource of the resource is different from the resource.
  • the time domain resource part of the first resource is different from that of the third resource, which means that at least one of the symbols contained in the first resource is not in the symbol set contained in the third resource, for example,
  • the symbols contained in one resource are ⁇ 1, 2, 3 ⁇ , and the symbols contained in the third resource are ⁇ 3, 4, 5, 6 ⁇ . Among them, the symbols 1 and 2 contained in the first resource are not in the symbol set of the third resource .
  • Figure 8 is a schematic diagram fourth of the distribution of a first resource provided by an embodiment of the application.
  • a network device sends two SSBs in one time slot, SSB0 and SSB1, SSB0 occupies symbols 2-5, SSB1 occupies symbols 8-11; among them, for SSB0, PBCH0-1 and SSB0 both occupy symbol 2.
  • the time domain resources occupied by PBCH0-1 and SSB0 are different, but the frequency domain resources are the same; PBCH0-2 and SSB0 occupy The time domain resources are the same, but the frequency domain resources are different; for SSB1, PBCH1-1 and SSB1 both occupy symbol 8, and the time domain resources occupied by PBCH1-1 and SSB1 are different, but the frequency domain resources are the same; PBCH1-2 and SSB1 The time domain resources occupied are the same, but the frequency domain resources are different.
  • the frequency domain resources of PBCH0-1 and PBCH0-2 are the same, and the frequency domain resources of PBCH1-1 and PBCH1-2 are the same, thereby reducing the complexity of repeated transmission of PBCH0 by network equipment and the complexity of repeated transmission of PBCH1 Spend.
  • the frequency domain resources of PBCH0-1, PBCH0-2, PBCH1-1, and PBCH1-2 are all the same, thereby reducing the complexity of repeated transmission of PBCH0 and PBCH1 by the network device.
  • the network equipment retransmits the PBCH of each SSB in a time slot twice, that is, the first resource set of each SSB includes two first resources, one of the first resource and The time domain resource of the third resource is the same, and the frequency domain resource of the other first resource is the same as the frequency domain resource of the above-mentioned first resource, thereby reducing the complexity of the network device repeatedly sending the PBCH twice.
  • the first resource set includes a resource set that is different from at least one of the frequency domain resource and the time domain resource where the synchronization signal block set is located in a time slot;
  • the first resource set includes a set of resources that are different in frequency domain resources or time domain resources in which the synchronization signal block set is located in a time slot.
  • the first resource set includes: 1) a first resource that is different from the frequency domain resource of the second resource; 2) a first resource that is different from the time domain resource of the second resource; 3) and the second resource.
  • the first resource whose time domain resource and frequency domain resource are different from the second resource;
  • Figure 9 is a schematic diagram five of the distribution of a first resource provided by an embodiment of this application.
  • a network device sends two SSBs in one time slot, SSB0 and SSB1, SSB0 occupies symbols 2-5, SSB1 occupies symbols 8-11.
  • the first resource set includes 6 first resources where PBCH0-1, PBCH0-2, PBCH0-3, PBCH1-1, PBCH1-2, and PBCH1-3 are located.
  • the time domain resources of the first resource where PBCH0-1 is located are different from the second resource where SSB0 is located, and the frequency domain resources are the same.
  • the first resource where PBCH0-2 is located is different from the second resource where SSB0 is located.
  • the resources are different.
  • the first resource where PBCH0-3 is located has the same time domain resources as the second resource where SSB0 is located, but the frequency domain resources are different.
  • the first resource where PBCH1-1 is located is the same as the second resource where SSB1 is located.
  • the time domain resources are different, the frequency domain resources are the same, the time domain resources occupied by PBCH1-2, PBCH1-3, and SSB1 are different, and the frequency domain resources are different.
  • the frequency domain resources of PBCH0-2 and PBCH0-3 are the same, and the frequency domain resources of PBCH1-2 and PBCH1-3 are the same, thereby reducing the complexity of retransmitting PBCH0 by network equipment and the complexity of retransmitting PBCH1 Spend.
  • the frequency domain resources of PBCH0-2, PBCH0-3, PBCH1-2, and PBCH1-3 are all the same, thereby reducing the complexity of retransmitting PBCH0 and PBCH1 by the network device.
  • the network equipment can perform PBCH retransmission on all the first resources, and make full use of the time domain resources and frequency domain resources of the time slot where the SSB is located to provide more repeated PBCH transmissions and enhance the downlink of the NR system. Coverage.
  • the first time slot corresponding to the first resource is different from the second time slot corresponding to the used resource occupied by the synchronization signal block set; the first time slot is different from the second time slot Have a corresponding relationship.
  • the network device sends the SSB set in the second time slot, and the synchronization set block includes the first SSB.
  • the network device can send the first PBCH in other time slots than this time slot, and also In other words, the time slot corresponding to the first resource is a first time slot that is different from the second time slot.
  • the network device may send the first PBCH on the second time slot corresponding to the first time slot.
  • the corresponding relationship between the first time slot and the second time slot may be the corresponding relationship preset in the standard, or It is the corresponding relationship of the terminal indicated by the network device, which is not limited in the embodiment of the present application.
  • the network device sends the first PBCH in the first time slot, and the symbol position occupied by the first PBCH in the first time slot may be the same as the symbol position occupied by the second PBCH in the second time slot.
  • the first resource can be in other time slots than the first synchronization signal block.
  • the network device can send more first PBCHs on more time domain resources, which enhances the downlink coverage of the NR system. Rate.
  • the first position of the first time slot corresponding to the first resource in the first half frame is consistent with the second position of the third time slot corresponding to the second resource in the second half frame.
  • the second resource belongs to the used resource; the first symbol position in the first position is consistent with the second symbol position in the second position; where the first symbol position is used to repeatedly send the first physical broadcast channel, and the second symbol The location is used to transmit the second physical broadcast channel in the first synchronization signal block.
  • the time slot where the first resource is located is the first time slot
  • the first time slot is in the first half frame
  • the time slot where the second resource is located is the second time slot
  • the second time slot is in the first half frame.
  • the first position of the first resource in the first time slot is the same as the second position of the second resource in the second time slot.
  • the position of the first symbol position in the first position is the same as the position of the second symbol position in the second position, and the network device sends the first PBCH at the first symbol position and sends the second symbol at the second symbol position.
  • PBCH Physical Broadcast Channel
  • the first half frame is used to send the first PBCH
  • the second half frame is used to send the second PBCH.
  • the network device does not send the SSB. Therefore, the network device can In a half frame, the first PBCH is sent.
  • the minimum value of the SSB-timing is 5ms, therefore, the minimum interval between the first half frame and the second half frame is 5ms, that is, if the SSB-timing is greater than or equal to 10ms, the network device transmits the SSB burst set in the second half frame All the half-frames between the next second half-frame may be the first half-frame.
  • half-frames between the second half-frames which half-frame is the first half-frame may be preset in the standard or indicated by the network device.
  • the embodiment of this application does not do it limit.
  • FIG. 10 is a schematic diagram 6 of the distribution of a first resource provided by an embodiment of the application.
  • the SSB period is 10 ms
  • the network device sends the SSB burst set in the second half frame, and all SSBs are in the second half frame.
  • the first 4 subframes in the frame are sent, and each subframe contains a time slot.
  • the second position in the first time slot in the second half frame includes the symbols 2-5 and 8-11.
  • the first position in the first time slot includes symbols 3-5 and 9-11.
  • the symbols 3-5 are the PBCHs in the symbols 3-5 where the second resource is repeatedly transmitted.
  • the symbols 9-11 where they are located are the PBCHs in the symbols 9-11 where the second resource to be repeatedly sent is located, respectively.
  • the SSB period is greater than or equal to 15 ms, and the network device does not send the SSB burst set in two consecutive half frames after the SSB burst set is sent in the second half frame.
  • the network device can also use the actual SSB period , Set an M-bit bitmap, where M is the number of half-frames included in an SSB cycle, and send the M-bit bitmap to the terminal to indicate which half-frame in an SSB cycle the terminal has sent the first PBCH, or Indicates that the terminal does not repeatedly send the first PBCH in one SSB period.
  • the network device sends the first indication information to the terminal; the first indication information is used to indicate the time domain resource of the second resource occupied by the first synchronization signal block.
  • the number of SSBs sent by a network device in an SSB burst set may be less than the maximum value L of the number of SSBs in the SSB burst set.
  • the network device may send the first indication information to the terminal.
  • the terminal can learn the time domain resource of the second resource occupied by the first synchronization signal block based on the first indication information.
  • the time domain resource of the second resource may include the specific symbol position of the second resource.
  • the symbol occupied by the second resource is a designated symbol in a designated time slot of a designated frame, and may also include the relative position of the SSB in the time domain. For example, whether the SSB is the first SSB or the second SSB in a time slot, etc., this is not limited in the embodiment of the present application.
  • FIG. 11 is a schematic flowchart of a channel transmission method provided by this application, which is applied to a network device. As shown in FIG. 11, the method includes:
  • S1101 Send a first physical broadcast channel based on the first resource set; where the first resource set includes: at least one first resource, and one first resource is a resource occupied by the physical broadcast channel for one transmission; the first physical broadcast channel It is the retransmission of the second physical broadcast channel in the first synchronization signal block; the resources occupied by the second physical broadcast channel are sub-resources; at least one first resource is different from the second resource occupied by the first synchronization signal block.
  • S1102. Send first indication information to the terminal, where the first indication information is used to indicate the time domain resource of the second resource occupied by the first synchronization signal block.
  • the network device retransmits the PBCH based on the first resource set, where the first resource set includes at least one first resource, and the number of first resources included in the first resource set indicates that the PBCH is retransmitted Since the network device retransmits the second PBCH in the first SSB, the network device may also send first indication information to the terminal to indicate the time domain resources of the second resource occupied by the first SSB, so that the terminal The time domain resource of the SSB can be determined according to the instructions of the network device, and then the first PBCH can be received.
  • S1101 and S1102 can be to execute S1101 first, then S1102, or execute S1102 first, then execute S1101, or execute S1101 and S1102 at the same time. This is not limited by the embodiment of the application. .
  • the first indication information includes an SSB bitmap, and the SSB bitmap is used to indicate the time slot where the terminal SSB is actually located.
  • the maximum number of SSBs that can be sent by a network device is 8, and the SSB bitmap is an 8-bit bitmap.
  • Figure 12 is an example provided by an embodiment of this application.
  • the actual SSB index sent by the device is SSB0, SSB2, SSB4, and SSB6. That is to say, the network device sends one SSB in each slot in the first 4 timeslots in the half frame where the SSB burst set is located, and the SSB is in time.
  • the symbols in the gap are on 2-5.
  • Fig. 13 is a schematic diagram 7 of the distribution of a first resource provided by an embodiment of the application.
  • a network device transmits SSB0 in a time slot, SSB0 occupies symbols 2-5, and the first symbol includes symbols 2- 5, the second symbol includes 0, 1, and 6-13, among which PBCH0-1 on symbols 0, 1, and 6, PBCH0-2 on symbols 9-11, and PBCH0-3 on symbols 8, 12 and 13
  • the symbol where PBCH0-2 is located can also be set to symbol 8-10, and the symbol where PBCH0-3 is located is 11-13, which is not limited in the embodiment of this application.
  • symbols 0, 1, and 6 correspond to symbols 3, 4, and 5, respectively
  • symbols 9-11 correspond to symbols 3
  • symbols 8, 12, and 13 correspond to symbols 3, 4, and 5, respectively
  • the frequency domain resources on the corresponding symbols are the same.
  • the mapped physical broadcast channel modulation symbols are the same on the resource units of the corresponding time-frequency positions in the first resource and the sub-resources.
  • the resource unit of the time-frequency position corresponding to the first resource is, among the resource units in the first resource, the resource unit with the same relative time-frequency position in the sub-resources.
  • the symbols occupied by the first synchronization signal block are 2-5
  • the symbols occupied by the second PBCH are 3-5
  • the time domain resources occupied by the first resource are symbols 0, 1, and 6, and the symbols are repeatedly sent on symbol 0.
  • They are the PBCH on symbol 3, if the PBCH on symbol 0 of the first PBCH occupies subcarriers 0-19, and the second PBCH on symbol 3 occupies subcarriers 20-39, then the resource unit corresponding to subcarrier 0 on symbol 0
  • the resource unit corresponding to the subcarrier 20 on the symbol 3 is a resource with the same relative time-frequency position, and the modulation symbols mapped on the two resource units are the same.
  • the network device when the network device needs to send the original data to the terminal through the PBCH, it first encodes the original data, maps the encoded original data to modulation symbols, and maps the modulation symbols to resource units in the PBCH according to preset rules. In other words, if the modulation symbols on the resource units of the corresponding time-frequency positions are consistent, the network device can still map on the first resource according to the preset rule, reducing the complexity of the network device repeatedly sending the first PBCH .
  • the embodiment of the present application also provides a channel transmission method, which is applied to a terminal, and the method includes:
  • S201 Receive a first physical broadcast channel based on a first resource set; where the first resource set includes: at least one first resource, and one first resource is a resource occupied by receiving a physical broadcast channel once; and a first physical broadcast channel It is the retransmission of the second physical broadcast channel in the first synchronization signal block; the resources occupied by the second physical broadcast channel are sub-resources; at least one first resource is different from the second resource occupied by the first synchronization signal block.
  • the terminal if the terminal fails to receive the second PBCH in the second resource, it can also receive the first PBCH based on the first resource in the first resource set, where the first PBCH is a retransmission of the second PBCH , Thereby enhancing the downlink coverage of the NR system.
  • the terminal determines the resource of the first PBCH according to the instructions of the network device. For example, after the terminal receives the synchronization signal in the first SSB, it determines the first resource of the first PBCH based on the synchronization signal. After failing to receive the second PBCH in the SSB, the first PBCH can be received based on the first resource, thereby enhancing the downlink coverage of the NR system.
  • the first synchronization signal block is included in at least one synchronization signal block corresponding to one time slot, and the at least one synchronization signal block forms a synchronization signal block set.
  • the terminal can receive at least one SSB in a time slot.
  • the information carried by the first PBCH includes the information carried by the second PBCH.
  • the terminal can obtain all the information carried by the second PBCH, that is, even if the terminal receives the second PBCH, If the PBCH fails, the information carried in the second PBCH can still be obtained.
  • the first resource in a time slot, is a resource that is different from the time domain resource of the used resource occupied by the synchronization signal block set, and is the same resource as the frequency domain resource of the first resource and the sub-resource .
  • the terminal receives the first PBCH on the first resource with the same frequency domain resources as the second PBCH and different time domain resources, thereby reducing the complexity of receiving the first PBCH by the terminal, and at the same time Reduce the bandwidth requirements of the terminal to receive the PBCH.
  • the time domain resource of the used resource is the first symbol where the synchronization signal block set is located; for a time slot, the terminal uses the same frequency as the frequency domain resource of the sub-resource on the second symbol.
  • the domain resource receives the first physical broadcast channel; the second symbol is a symbol other than the first symbol in a time slot.
  • the terminal receives the SSB on the first symbol in a time slot.
  • this time slot it can receive the first PBCH, the first PBCH and the SSB on the second symbol except the first symbol.
  • the frequency domain resources of the second PBCH in PBCH are the same.
  • the first resource in a time slot, is the same time domain resource as the third resource occupied by any synchronization signal block in the synchronization signal block set, and is the same as the sub-resource
  • the frequency domain resources are different resources.
  • the terminal receives the first PBCH on the first resource with the same time domain resource as the second PBCH and different frequency domain resources, thereby reducing the number of terminals receiving the first PBCH.
  • the complexity of PBCH is the complexity of PBCH.
  • the time domain resource of the third resource is the first sub-symbol where any synchronization signal block is located; for a time slot, on the first sub-symbol, the terminal is based on the frequency domain resource of the sub-resource Different frequency domain resources receive the first physical broadcast channel.
  • the terminal if it receives the SSB on the first sub-symbol in a time slot, it can receive the first PBCH on the first sub-symbol.
  • the frequency domain resources of the first PBCH and the second PBCH in the SSB are different. .
  • the first physical broadcast channel is a physical broadcast channel in the second synchronization signal block
  • the fourth resource of the second synchronization signal block includes the first resource; the fourth resource does not correspond to a synchronization grid.
  • the terminal receives the retransmitted SSB, the resource occupied by the retransmitted SSB is the fourth resource, and the PBCH in the retransmitted SSB is the first PBCH.
  • the fourth resource does not correspond to the synchronization grid, which means that the retransmitted SSB is not on the synchronization grid.
  • the terminal detects the SSB on the synchronization grid, it will confirm the SSB as the SSB normally sent by the network device, thereby affecting the time synchronization of the terminal.
  • the first resource in a time slot, is different or partially different from the time domain resource of the third resource occupied by any synchronization signal block in the synchronization signal block set, and is different from the time domain resource of the sub-resource. Different resources in frequency domain.
  • the frequency domain resources of the first PBCH and the second PBCH received by the terminal in a time slot are different.
  • the first PBCH received by the terminal may include at least one of the following: 1) Receiving the first PBCH on the symbol where the SSB is located A PBCH; 2) receiving the first PBCH on a symbol other than the symbol where the SSB is located; 3) receiving the first PBCH on the same symbol as the symbol part where the SSB is located.
  • the frequency domain resources of the first PBCH are all the same.
  • the terminal can receive the first PBCH on multiple time domain resources in one time slot, and the frequency domain resources of the first PBCH and the second PBCH are the same, which reduces the complexity of receiving the first PBCH by the terminal.
  • the first resource set includes a resource set that is different from at least one of the frequency domain resource and the time domain resource where the synchronization signal block set is located in a time slot;
  • the first resource set includes a set of resources that are different in frequency domain resources or time domain resources in which the synchronization signal block set is located in a time slot.
  • the terminal in a time slot, can receive the first PBCH on all resources other than the SSB, that is, the terminal can receive the first PBCH more times in a time slot, thereby enhancing Downlink coverage rate of NR system.
  • the first time slot corresponding to the first resource is different from the second time slot corresponding to the used resource occupied by the synchronization signal block set; the first time slot and the second time slot have a corresponding relationship.
  • the first position of the first time slot corresponding to the first resource in the first half frame is consistent with the second position of the third time slot corresponding to the second resource in the second half frame.
  • the second resource belongs to the used resource; the first symbol position in the first position is consistent with the second symbol position in the second position; where the first symbol position is used to receive the first physical broadcast channel, and the second symbol position Used to receive the second physical broadcast channel in the first synchronization signal block.
  • the terminal receives the first PBCH in the first time slot according to the correspondence between the first time slot and the second time slot, where the first time slot is a time slot different from the time slot where the SSB is located.
  • the terminal can receive more first PBCH times on more time domain resources in the first time slot, which further enhances the downlink coverage rate of the NR system.
  • the terminal receives the first indication information; the first indication information is used to indicate the time domain resource of the second resource occupied by the first synchronization signal block.
  • the terminal after receiving the first indication information, determines the time domain resource of the second resource occupied by the actual SSB according to the first indication information.
  • FIG. 14 is a schematic flowchart of a channel transmission method provided by this application, which is applied to a terminal. As shown in FIG. 14, the method includes:
  • S1401. Receive a first physical broadcast channel based on a first resource set; where the first resource set includes: at least one first resource, and one first resource is a resource occupied by receiving the physical broadcast channel once; the first physical broadcast channel It is the retransmission of the second physical broadcast channel in the first synchronization signal block; the resources occupied by the second physical broadcast channel are sub-resources; at least one first resource is different from the second resource occupied by the first synchronization signal block.
  • S1402. Receive first indication information, where the first indication information is used to indicate the time domain resource of the second resource occupied by the first synchronization signal block.
  • S1401 and S1402 can be to execute S1401 first, then S1402, or execute S1402 first, then S1401, or execute S1401 and S1402 at the same time. This is not limited by the embodiment of this application. .
  • the mapped physical broadcast channel modulation symbols are the same on the resource units of the corresponding time-frequency positions in the first resource and the sub-resources.
  • the first PBCH and the second PBCH received by the terminal have the same information carried on resource units with the same relative time-frequency position, thereby reducing the complexity of receiving the first PBCH by the terminal.
  • the transmission method of the terminal side channel and the transmission method of the network device side channel are corresponding, and the description of the first resource is also the same, and will not be repeated here.
  • the embodiment of the present application provides a channel transmission method, which is applied to the interaction between a network device and a terminal. As shown in FIG. 15, the method includes:
  • the network device sends a first physical broadcast channel to the terminal based on the first resource set; where the first resource set includes: at least one first resource, and one first resource is a resource occupied by sending the physical broadcast channel once; A physical broadcast channel is the retransmission of the second physical broadcast channel in the first synchronization signal block; the resources occupied by the second physical broadcast channel are sub-resources; at least one first resource and the second resource occupied by the first synchronization signal block different.
  • the network device retransmits the second PBCH in the first SSB based on the first resource set.
  • the first PBCH is the retransmission of the second PBCH, and the terminal receives the second PBCH on the second resource. If the reception of the second PBCH fails, the first PBCH can also be received based on the first resource, thereby improving the downlink coverage of the NR system.
  • FIG. 16 is a schematic diagram 1 of the structural composition of a network device provided by an embodiment of this application. As shown in FIG. 16, the network device 16 includes:
  • the sending module 161 is configured to send the first physical broadcast channel based on the first resource set;
  • the first resource set includes: at least one first resource, and one first resource is the resource occupied by transmitting the physical broadcast channel once; the first physical broadcast channel is the second physical in the first synchronization signal block; Retransmission of the broadcast channel; the resource occupied by the second physical broadcast channel is a sub-resource; the at least one first resource is different from the second resource occupied by the first synchronization signal block.
  • the first synchronization signal block is included in at least one synchronization signal block corresponding to one time slot, and the at least one synchronization signal block forms the synchronization signal block set.
  • the first resource in one time slot, is different from the time domain resource of the used resource occupied by the synchronization signal block set, and is the same as the frequency domain resource of the first resource and the sub-resource H.
  • the time domain resource of the used resource is the first symbol where the synchronization signal block set is located; the sending module 161 is further configured to send the first physical broadcast channel based on the first resource set, including:
  • the first physical broadcast channel is transmitted based on the frequency domain resources of the sub-resource; the second symbol is the one in the one time slot except the first symbol symbol.
  • the first resource in one time slot, is the same as the time domain resource of the third resource occupied by any synchronization signal block in the synchronization signal block set, and is the same as the frequency domain resource of the sub-resource. Different resources.
  • the time domain resource of the third resource is the first sub-symbol where any synchronization signal block is located; the sending module 161 is further configured to send the first physical broadcast channel based on the first resource set, include:
  • the first physical broadcast channel is transmitted based on a frequency domain resource different from the frequency domain resource of the sub-resource.
  • the first physical broadcast channel is a physical broadcast channel in a second synchronization signal block
  • the fourth resource of the second synchronization signal block includes the first resource; the fourth resource does not correspond to Synchronize the grid.
  • the first resource in one time slot, is different or partially different from the time domain resource of the third resource occupied by any synchronization signal block in the synchronization signal block set, and is different from the sub-resource.
  • the frequency domain resources are different resources.
  • the first resource set includes a resource set that is different from at least one of frequency domain resources and time domain resources where the synchronization signal block set is located in a time slot; and, the first resource set includes one In a time slot, a set of resources that are different in frequency domain resources or time domain resources where the synchronization signal block set is located.
  • the first time slot corresponding to the first resource is different from the second time slot corresponding to the used resource occupied by the synchronization signal block set; the first time slot is different from the second time slot.
  • the gap has a corresponding relationship.
  • the sending module 161 is further configured to send first indication information to the terminal; the first indication information is used to indicate the time domain of the second resource occupied by the first synchronization signal block resource.
  • the mapped physical broadcast channel modulation symbols are the same on the resource units of the corresponding time-frequency positions in the first resource and the sub-resources.
  • FIG. 17 is a schematic diagram 1 of the structural composition of a terminal provided by an embodiment of the application. As shown in FIG. 17, the terminal 17 includes:
  • the receiving module 171 is configured to receive the first physical broadcast channel based on the first resource set; where,
  • the first resource set includes: at least one first resource, one first resource is the resource occupied by receiving the physical broadcast channel once; the first physical broadcast channel is the second physical in the first synchronization signal block Retransmission of the broadcast channel; the resource occupied by the second physical broadcast channel is a sub-resource; the at least one first resource is different from the second resource occupied by the first synchronization signal block.
  • the first synchronization signal block is included in at least one synchronization signal block corresponding to one time slot, and the at least one synchronization signal block forms the synchronization signal block set.
  • the first resource in one time slot, is different from the time domain resource of the used resource occupied by the synchronization signal block set, and is the same as the frequency domain resource of the first resource and the sub-resource H.
  • the time domain resource of the used resource is the first symbol where the synchronization signal block set is located; the receiving module 171 is further configured to receive the first physical broadcast channel based on the first resource set, including:
  • the first physical broadcast channel is received based on the frequency domain resource of the sub-resource; the second symbol is the one in the one time slot except the first symbol symbol.
  • the first resource in one time slot, is the same as the time domain resource of the third resource occupied by any synchronization signal block in the synchronization signal block set, and is the same as the frequency domain resource of the sub-resource. Different resources.
  • the time domain resource of the third resource is the first sub-symbol where any synchronization signal block is located; the receiving module 171 is further configured to receive the first physical broadcast channel based on the first resource set, include:
  • the first physical broadcast channel is received based on a frequency domain resource different from the frequency domain resource of the sub-resource.
  • the first physical broadcast channel is a physical broadcast channel in a second synchronization signal block
  • the fourth resource of the second synchronization signal block includes the first resource; the fourth resource does not correspond to Synchronize the grid.
  • the first resource in one time slot, is different or partially different from the time domain resource of the third resource occupied by any synchronization signal block in the synchronization signal block set, and is different from the sub-resource.
  • the frequency domain resources are different resources.
  • the first resource set includes a resource set that is different from at least one of frequency domain resources and time domain resources where the synchronization signal block set is located in a time slot; and, the first resource set includes one In a time slot, a set of resources that are different in frequency domain resources or time domain resources where the synchronization signal block set is located.
  • the first time slot corresponding to the first resource is different from the second time slot corresponding to the used resource occupied by the synchronization signal block set; the first time slot is different from the second time slot.
  • the gap has a corresponding relationship.
  • the receiving module 171 is further configured to receive first indication information; the first indication information is used to indicate the time domain resource of the second resource occupied by the first synchronization signal block.
  • the mapped physical broadcast channel modulation symbols are the same on the resource units of the corresponding time-frequency positions in the first resource and the sub-resources.
  • FIG. 18 is a schematic diagram of the structure composition of a network device according to an embodiment of the application.
  • the network device 18 includes a first memory 1801, a first processor 1802 and is stored in the first memory 1801 and can be processed in The computer program running on the device 1802; wherein, when the first processor is used to run the computer program, it executes the channel transmission method on the network device side as in the foregoing embodiment.
  • the network device 18 further includes a bus system 1803; various components in the network device 18 are coupled together through the bus system 1803. It can be understood that the bus system 1803 is used to implement connection and communication between these components.
  • the bus system 1803 also includes a power bus, a control bus, and a status signal bus.
  • FIG. 19 is a second schematic diagram of the structural composition of the terminal according to the embodiment of the application. As shown in FIG. When the second processor is used to run the computer program, it executes the channel transmission method on the terminal side as in the foregoing embodiment.
  • the terminal 19 also includes a bus system 1903; various components in the terminal 19 are coupled together through the bus system 1903. It can be understood that the bus system 1903 is used to implement connection and communication between these components.
  • the bus system 1903 also includes a power bus, a control bus, and a status signal bus.
  • non-volatile memory can be Read Only Memory (ROM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (Erasable Programmable Read-Only Memory) , EPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Magnetic Random Access Memory (FRAM), Flash Memory, Magnetic Surface Memory , CD-ROM, or CD-ROM (Compact Disc Read-Only Memory, CD-ROM); magnetic surface memory can be disk storage or tape storage.
  • ROM Read Only Memory
  • PROM Programmable Read-Only Memory
  • EPROM Erasable Programmable Read-Only Memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • FRAM Magnetic Random Access Memory
  • Flash Memory Magnetic Surface Memory
  • CD-ROM Compact Disc Read-Only Memory
  • magnetic surface memory can be disk storage or tape storage.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM Random Access Memory
  • SRAM static random access memory
  • SSRAM synchronous static random access memory
  • dynamic random access memory dynamic random access memory
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM synchronous connection dynamic random access memory
  • SLDRAM synchronous connection dynamic random access memory
  • DDRRAM direct memory bus random access memory
  • DRRAM Direct Rambus Random Access Memory
  • the methods disclosed in the foregoing embodiments of the present application may be applied to a processor or implemented by a processor.
  • the processor may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method can be completed by an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the aforementioned processor may be a general-purpose processor, DSP, or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like.
  • the processor can implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application.
  • the general-purpose processor may be a microprocessor or any conventional processor or the like.
  • the software module may be located in a storage medium, and the storage medium is located in a memory.
  • the processor reads the information in the memory and completes the steps of the foregoing method in combination with its hardware.
  • the embodiment of the present application also provides a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by the first processor to implement the network device of the embodiment of the present application. Steps in the side channel transmission method.
  • the embodiment of the present application also provides a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a second processor to realize the terminal side channel of the embodiment of the present application. The steps in the transmission method.
  • 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, such as: multiple modules or components can be combined, or It can be integrated into another system, or some features can be ignored or not implemented.
  • the coupling, or direct coupling, or communication connection between the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or modules, and may be electrical, mechanical, or other forms. of.
  • the network device retransmits the PBCH to the terminal at least once based on the first resource set. In this way, after the terminal fails to receive the PBCH in the synchronization signal block, it can also receive the retransmitted PBCH, thereby enhancing NR Downlink coverage of the system.

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Abstract

一种信道的传输方法、网络设备、终端和计算机可读存储介质，基于第一资源集合，发送第一物理广播信道；其中，第一资源集合中包括：至少一个第一资源，一个第一资源为发送一次物理广播信道所占用的资源；第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；第二物理广播信道占用的资源为子资源；至少一个第一资源与同步信号块所占用的第二资源不同。

Description

信道的传输方法、网络设备、终端和计算机可读存储介质 技术领域
本申请涉及通信技术领域，尤其涉及一种信道的传输方法、网络设备、终端和计算机可读存储介质。
背景技术
新无线(New radio，NR)系统主要是为了满足增强移动宽带(Enhanced Mobile Broadband，eMBB)这种高速率、高频谱和大带宽的业务的需要，而对于其他带宽减小、处理时间放松、天线数减少的业务，终端的能力相对较低，例如机器类通信(Machine Type Communication，MTC)、基于蜂窝窄带物联网(Narrow Band Internet of Things，NB-IoT)中的终端，从而导致下行覆盖率较低。
发明内容
本申请实施例期望提供一种信道的传输方法、网络设备、终端和计算机可读存储介质，增强了NR系统的下行覆盖率。
本申请实施例的技术方案可以如下实现：
本申请实施例提供了一种信道的传输方法，应用于网络设备，包括：基于第一资源集合，发送第一物理广播信道；其中，所述第一资源集中包括：至少一个第一资源，一个第一资源为发送一次所述物理广播信道所占用的资源；所述第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；所述第二物理广播信道占用的资源为子资源；所述至少一个第一资源与所述第一同步信号块所占用的第二资源不同。
本申请实施例提供了一种信道的传输方法，应用于终端，包括：基于第一资源集合，接收第一物理广播信道；其中，所述第一资源集中包括：至少一个第一资源，一个第一资源为接收一次所述物理广播信道所占用的资源；所述第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；所述第二物理广播信道占用的资源为子资源；所述至少一个第一资源与所述第一同步信号块所占用的第二资源不同。
本申请实施例提供了一种网络设备，包括：
发送模块，用于基于第一资源集合，发送第一物理广播信道；其中，
所述第一资源集中包括：至少一个第一资源，一个第一资源为发送一次所述物理广播信道所占用的资源；所述第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；所述第二物理广播信道占用的资源为子资源；所述至少一个第一资源与所述第一同步信号块所占用的第二资源不同。
本申请实施例提供了一种终端，包括：
接收模块，用于基于第一资源集合，接收第一物理广播信道；其中，
所述第一资源集中包括：至少一个第一资源，一个第一资源为接收一次所述物理广播信道所占用的资源；所述第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；所述第二物理广播信道占用的资源为子资源；所述至少一个第一资源与所述第一同步信号块所占用的第二资源不同。
本申请实施例提供了一种网络设备，包括：第一处理器和用于存储能够在第一处理器上运行的 计算机程序的第一存储器，
其中，所述第一处理器用于运行所述计算机程序时，执行上述网络设备侧信道的传输方法的步骤。
本申请实施例提供了一种终端，包括：第二处理器和用于存储能够在第二处理器上运行的计算机程序的第二存储器，
其中，所述第二处理器用于运行所述计算机程序时，执行上述终端侧信道的传输方法的步骤。
本申请实施例提供了一种计算机可读存储介质，应用于网络设备，存储有计算机程序，当所述计算机程序被一个或多个第一处理器执行的时候，所述第一处理器执行上述网络设备侧信道的传输方法。
本申请实施例提供了一种计算机可读存储介质，应用于终端，存储有计算机程序，当所述计算机程序被一个或多个第二处理器执行的时候，所述第二处理器执行上述终端侧信道的传输方法。
本申请实施例提供了一种信道的传输方法、网络设备、终端和计算机可读存储介质，网络设备基于第一资源集合，发送第一物理广播信道；其中，第一资源集合中包括：至少一个第一资源，一个第一资源为发送一次物理广播信道所占用的资源；第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；第二物理广播信道占用的资源为子资源；至少一个第一资源与同步信号块所占用的第二资源不同，也就是说，网络设备基于第一资源集合，对物理广播信道进行至少一次的重传，使终端在可以接收至少一次物理广播信道，增强了NR系统的下行覆盖率。
附图说明
图1为本申请实施例提供的一种通信系统的框图；
图2为本申请实施例提供的一种同步信号块的时频结构图；
图3为本申请实施例提供的一种同步信号块的时隙分布示意图；
图4为本申请实施例提供的一种时隙内同步信号块的分布示意图；
图5为本申请实施例提供的一种第一资源的分布示意图一；
图6为本申请实施例提供的一种第一资源的分布示意图二；
图7为本申请实施例提供的一种第一资源的分布示意图三；
图8为本申请实施例提供的一种第一资源的分布示意图四；
图9为本申请实施例提供的一种第一资源的分布示意图五；
图10为本申请实施例提供的一种第一资源的分布示意图六；
图11为本申请实施例提供的一种信道的传输方法流程示意图；
图12为本申请实施例提供的一种同步信号块位图的示意图；
图13为本申请实施例提供的一种第一资源的分布示意图七；
图14为本申请实施例还提供的一种信道的传输方法流程示意图；
图15为本申请实施例提供的一种网络设备和终端的交互示意图；
图16为本申请实施例提供的网络设备的结构组成示意图一；
图17为本申请实施例提供的终端的结构组成示意图一；
图18为本申请实施例提供的网络设备的结构组成示意图二；
图19为本申请实施例提供的终端的结构组成示意图二。
具体实施方式
图1示出了本申请一个示例性实施例提供的通信系统的框图，该通信系统可以包括：终端101 和网络设备102。
终端101可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其他处理设备，以及各种形式的用户设备，移动台(Mobile Station，MS)，终端(terminal device)等等。为方便描述，上面提到的设备统称为终端。网络设备102与终端101之间通过某种空口技术互相通信，例如Uu接口。
网络设备102可以是长期演进(Long Term Evolution，LTE)系统中的演进型基站(evolved NodeB，eNB)、接入点(access point，AP)或者中继站，也可以是5G系统中的基站(如gNB或传输点(Transmission Point，TRP))等，在5G NR-U系统中，具备基站功能的设备称为gNodeB或者gNB。随着通信技术的演进，“基站”这一描述可能会变化。网络设备102还可以是云无线接入网络(Cloud Radio Access Network，CRAN)场景下的无线控制器，移动交换中心，中继站，接入点，车载设备，可穿戴设备，集线器，交换机，网桥，路由器或者未来通信系统中的网络设备，还可以是NTN系统中的基站(如gNB或传输点(Transmission Point，TRP)，全球移动通讯(Global System of Mobile communication，GSM)系统或码分多址(Code Division Multiple Access，CDMA)系统的基站(Base TransceiverStation，BTS)，也可以是宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统中的基站(NodeB，NB)等，对此，本申请实施例不做限定。
另外，在本申请实施例中，网络设备102为小区提供服务，终端101通过该小区使用的传输资源(例如，频域资源，或者说，频谱资源)与网络设备102进行通信，该小区可以是网络设备102(例如基站)对应的小区，小区可以属于宏基站，也可以属于小小区(small cell)对应的基站，这里的小小区可以包括：城市小区(etro cell)、微小区(Micro cell)、微微小区(Pico cell)、毫微微小区(Femto cell)等，这些小小区具有覆盖范围小、发射功率低的特点，适用于提供高速率的数据传输服务。另外，该小区还可以是超小区(Hypercell)。
在本申请实施例中，LTE系统或NR系统中的载波上可以同时有多个小区同频工作，在某些特殊场景下，也可以认为上述载波与小区的概念等同。例如在载波聚合(Carrier Aggregation，CA)场景下，当为UE配置辅载波时，会同时携带辅载波的载波索引和工作在该辅载波的辅小区的小区标识(Cell Indentify，Cell ID)，在这种情况下，可以认为载波与小区的概念等同，比如UE接入一个载波和接入一个小区是等同的。
在NR系统中的公共信道和信号，比如同步信号(Synchronization Signal，SS)和物理广播信道(Physical Broadcast Channel，PBCH)，需要通过多波束扫描的方式覆盖整个小区，便于小区内的UE接收。其中，同步信号的多波束发送是通过定义SS/PBCH突发集合(SS/PBCH burst set)实现的，一个SS/PBCH burst set包含有一个或多个SS/PBCH块(SS/PBCH block)，一个SS/PBCH block用于承载一个波束的同步信号和物理广播信道；因此，一个SS/PBCH burst set可以包含小区内SS/PBCH block对应的N个波束的同步信号，SS/PBCH block的最大数目L与系统的频段有关。例如，当系统的频段不超过3GHz时，SS/PBCH block的最大数目L取值为4；当系统的频段处于3GHz和6GHz范围之内时，SS/PBCH block的最大数目L取值为8；当系统的频段处于6GHz和52.6GHz范围之内时，SS/PBCH block的最大数目L取值为64。
在NR系统中，一个同步信号块(Synchronization Signal Block，SSB)用于承载一个波束的同步信号和广播信道，一个同步信号集中包括的小区内所有波束的SSB。
其中，SSB是在基本的正交频分复用(OFDM，Orthogonal Frequency Division Multiplexing，OFDM)网格上传输的一组时频资源(资源单位)，包含主同步信号(Primary Synchronization Signal，PSS)、辅同步信号(Secondary Synchronization Signal，SSS)以及物理广播信道(Physical Broadcast Channel，PBCH)。
图2给出了一个同步信号块的时频结构，如图2所示，同步信号块在时域上持续4个OFDM符号，在频域上持续240个子载波(Subcarrier，SC)。其中，PSS在同步信号块的第一个OFDM符号 上发送，频域上占据127个子载波，其余子载波为空；SSS在同步信号块的第三个OFDM符号上发送，与PSS占据相同的子载波，SSS两端分别空出8个和9个子载波；PBCH在同步信号块的第二个和第四个OFDM符号上发送。另外，PBCH还使用SSS两端各48个子载波发送。
需要说明的是，在一个SS/PBCH burst set内，所有的SSB在5ms的时间窗内发送，并且是以一定的周期重复发送，周期可以通过上层参数SSB周期(SSB-timing)进行配置，SSB周期可以为5ms，10ms，20ms，40ms，80ms，160ms等，对此，本申请实施例不作限制。
其中，在一个半帧内SSB的时隙分布与子载波间隔以及同步信号集中SSB的最大数目L相关，图3给出了一种同步信号块的时隙分布示意图，可以看出，对于不同的子载波间隔，半帧内的时隙数目不同，同步信号块突发集中SSB的最大数目L不同，对应的时隙分布也不同，如图3所示，以子载波间隔为15KHz为例，一个半帧有5个时隙，一个时隙可以承载两个SSB，若L为4，则在前两个时隙中发送SSB，若L为8，则在前四个时隙中发送SSB。
图4给出了一个时隙内同步信号块的分布示意图，共计5种情况，分别为A/B/C/D/E情况(CaseA/B/C/D/E)，一个时隙包括14个符号，以CaseA为例，对应子载波间隔为15KHz的情况，每个时隙内第一个SSB占据符号2-5，第二个SSB占据符号8-11。
需要说明的是，每个SSB通过SSB索引(SSB index)区分，SSB索引的取值范围为[0，L-1]当终端接收到一个SSB时，可以读取该SSB的SSB index以及半帧指示，进而确定该SSB所占据的符号，在终端解调PSS获取到一个符号的长度后，可以获取时隙边界，也即完成了帧同步。其中，SSB index通过PBCH的DMRS或者PBCH承载的信息来指示，半帧指示通过PBCH承载的信息来指示。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。
本申请实施例提供一种信道的传输方法，应用于网络设备，该方法包括：
S101、基于第一资源集合，发送第一物理广播信道；其中，第一资源集合中包括：至少一个第一资源，一个第一资源为发送一次物理广播信道所占用的资源；第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；第二物理广播信道占用的资源为子资源；至少一个第一资源与第一同步信号块所占用的第二资源不同。
在本申请实施例中，网络设备基于第一资源集合，重复发送第一SSB中的第二PBCH，重复发送的PBCH为第一PBCH，第一PBCH为第二PBCH的重传。
其中，第一资源集合上包括至少一个第一资源，每个第一资源用于对第二PBCH进行一次重传，也就是说，网络设备重传了几次第二PBCH，就在几个第一资源上发送第一PBCH，第一资源集合上就相应的包括几个第一资源，即第一资源集合中第一资源的数目与发送第一PBCH的次数的值相同。
这里，第二资源为第一SSB已经占用的资源，第一资源为第一PBCH占用的资源，因此，第一资源集中每个第一资源不同，且每个第一资源与第二资源不同。
需要说明的是，第二资源与第一资源不同，至少包括以下一种：1)第一资源与子资源的频域资源不同；2)第一资源与第二资源的时域资源不同。
其中，频域资源可以表示为占用的子载波数目和子载波的频域位置；第一资源和子资源频域资源不同，表示两者占用的子载波数目不同，例如，第一资源包含的子载波为{0，49}，子资源包含的子载波为{0，19}，第一资源包含50个子载波，子资源包含20个子载波，两者频域资源不同；或者，第一资源和子资源频域资源不同，表示两者占用的子载波数目相同但子载波频域位置不同，例如，第一资源包含的子载波为{0，49}，子资源包含的子载波为{50，99}，第一资源和子资源均包含50个子载波，但两者子载波的频域位置不同，两者频域资源不同。
在本申请实施例中，第一资源与第二资源的时域资源不同，可以包括：1)第一资源所在的符号与第二资源所在的帧是不同的帧；2)第一资源所在的符号与第二资源所在的帧是相同的帧，但两者 所在的半帧是不同的半帧；3)第一资源所在的符号与第二资源所在的帧是相同的半帧，但两者所在的时隙是不同的时隙；4)；第一资源所在的符号与第二资源所在的时隙是相同的时隙，但两者所在的符号是不同的符号，对此，本申请实施例不作限制。
这里，第一资源可以是预设的，也可以是网络设备预先设置的，对此，本申请实施例不作限制。
其中，在第一资源是网络设备预先设置的情况下，网络设备可以通过指示信息指示终端第一资源的时域资源和频域资源，进一步地，网络设备在同步信号块的同步信号中指示终端第一资源的时域资源和频域资源。
在本申请实施例中，网络设备将需要通过PBCH发送的原始数据进行编码，之后映射为PBCH的调制符号，将调制符号承载在第一PBCH和第二PBCH中，基于第一资源集合，发送第一物理广播信道，这样，终端就可以在第一资源集合上接收第一物理信道，这里，终端可以在接收第二物理信道失败的情况下，基于第一资源集合接收第一物理信道，对第一物理信道中的调制符号进行解析以得到原始数据。
在本申请实施例中，第一PBCH是第二PBCH的重传，第一PBCH承载的信息和第二PBCH承载的信息至少部分相同，也就是说，第一PBCH承载的高层信息至少包含第二PBCH承载的高层信息，第一PBCH承载的物理层信息与第二PBCH承载的物理层信息可以相同，也可以不同，对此，本申请实施例不作限制。
需要说明的是，第一资源和子资源包含的资源单元的数目可以是相同的，也可以是不同的，对此，本申请实施例不作限制。
在一些实施例中，第一资源和子资源包含的资源单元的数目可以是相同的，这样，网络设备可以在与子资源的资源单元数目相同的第一资源上，发送第一PBCH，减少网络设备重复发送PBCH的复杂度。
可以理解的是，PBCH用于承载终端接入系统所必需的系统信息、反馈上行逻辑信道的ACK/NACK信息以及HARQ信息，对于NR系统中使用MTC，NB-IoT等技术中的能力较低的终端，可能出现接收PBCH失败的情况，如果PBCH接收失败，将无法获取PBCH中承载的信息，影响终端业务，因此，网络设备基于第二资源发送第二PBCH，还基于第一资源集合，重复发送第一PBCH，以实现对第二PBCH的重传，从而增强NR系统的下行覆盖率。
在本申请的一些实施例中，第一同步信号块包含在一个时隙内对应的至少一个同步信号块中，至少一个同步信号块组成同步信号块集合。
在本申请实施例中，网络设备在一个时隙内发送SSB的数目可以不同，即SSB集合中包含的SSB数目不同，在一个时隙内SSB数目越少，第一资源在一个时隙内可用的资源就越多，第一资源集合中第一资源的数目就越多，这样，终端即使在一个第一资源上接收第一PBCH失败的情况下，还能接收第一资源集合中其他第一资源上的第一PBCH，由此，提高NR系统中下行覆盖率。
在本申请的一些实施例中，在一个时隙内，第一资源为与同步信号块集合所占用的已用资源的时域资源不同，且与第一资源和子资源的频域资源相同的资源。
在本申请实施例中，网络设备在一个时隙内，发送了SSB集合，并在相同时隙内，发送第一PBCH，第一PBCH的第一资源与相同时隙内的SSB占用的已用资源的时域资源不同，也就是说，在这个时隙中，第一资源在已用资源占用的时域资源以外的时域资源上；进一步地，第一资源可以和子资源的频域资源相同。
需要说明的是，在一个时隙内，第一资源与已用资源的时域资源不同，表示第一资源占用的符号，与已用资源占用的符号不同，这里，将已用资源占用的符号作为一个符号集，如果第一资源占用的符号中的所有符号均不在已用资源的符号集中，则表示第一资源占用的符号与已用资源占用的符号不同。
举例来说，第一资源包含的符号为{1，2，3}，已用资源包含的符号为{4，5，6，7}，说明第一 资源和已用资源占用的符号不同，即第一资源和已用资源的时域资源不同。
其中，第一资源与子资源的频域资源相同，表示第一资源和子资源包含的子载波数目及子载波的频域位置均相同，例如，第一资源包含的子载波为{0，49}，子资源包含的子载波为{0，49}，两者子载波数目均为50，子载波的频域位置也相同。
可以理解的是，网络设备基于第一资源，发送第一PBCH，第一资源与子资源的频域资源相同，即，网络设备发送的第一PBCH与第二PBCH的频域资源相同，由此，增加了NR系统的下行覆盖率，同时减少了网络设备重复发送的复杂度。
在本申请的一些实施例中，已用资源的时域资源为同步信号块集合所在的第一符号；针对一个时隙，网络设备在第二符号上，基于与子资源的频域资源相同的频域资源发送第一物理广播信道；第二符号为一个时隙内除第一符号以外的符号。
本申请实施例中，已用资源的时域资源为一个时隙内SSB所在的符号，这些符号的集合为第一符号，在一个时隙内，与第一符号不同的符号为第二符号，第一符号代表的时域资源是与第二符号所代表的时域资源不同的时域资源。
在本申请实施例中，网络设备在第二符号上，可以基于与子资源的频域资源相同的频域资源，发送第一PBCH，也就是说，在一个时隙内，第一资源占用的符号与该时隙内的SSB占用的符号不同，频域资源相同。
在一些实施例中，将第一符号中第二PBCH所在的符号作为第三符号，将第二符号中每个符号作为第二子符号，由于第二PBCH至少被重传一次，每个第三符号至少对应一个第二子符号，网络设备在对应的第二子符号上重复发送第三符号上的PBCH。
图5为本申请实施例提供的一种第一资源的分布示意图一，如图5所示，网络设备在一个时隙内发送的SSB分别为SSB0和SSB1，SSB0占据符号2-5，SSB1占据符号8-11；第一符号包括符号2-5和8-11，第三符号包括符号3-5和9-11，第二符号包括0、1、6、7、12和13，其中，符号0、1和6上的PBCH0-1为重复发送SSB0中的PBCH0，符号7、12和13上发送的PBCH1-1为重复发送的SSB1中的PBCH1。
在一些实施例中，第三符号0、1和6分别与第二子符号3、4和5对应，第三符号7、12和13分别与第二子符号9、10和11对应，并且，第三符号0、1和6上的PBCH0分别与第二子符号3、4和5上的PBCH0所占的频域资源相同，第三符号7、12和13上的PBCH1与第二子符号9、10和11上的PBCH1所占的频域资源相同。
在本申请的一些实施例中，在一个时隙内，所述第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源相同，且与所述子资源的频域资源不同的资源。
在本申请实施例中，第三资源为与第一资源在相同时隙上的任意一个SSB占用的资源，网络设备在与SSB的时域资源相同的时域资源上发送第一PBCH，第一PBCH和该SSB的频域资源不同。
可以理解的是，网络设备在与SSB相同的时域资源上，发送第一PBCH，第一PBCH和SSB的频域资源不同，也就是说，网络设备发送的第一PBCH与第二PBCH的时域资源相同，由此，增加了NR系统的下行覆盖率的同时，减少了网络重复发送PBCH的复杂度。
在本申请的一些实施例中，第三资源的时域资源为任意一个同步信号块所在的第一子符号；针对一个时隙，网络设备在第一子符号上，基于与子资源的频域资源不同的频域资源发送第一物理广播信道。
在本申请实施例中，第三资源的时域资源为一个时隙内SSB所在的符号，这些符号的集合为第一子符号，网络设备在第一子符号上发送第一PBCH，在第一子符号上，第一资源的频域资源与子资源的频域资源不同。
在一些实施例中，第三资源的时域资源为任意一个SSB所在的第一子符号，将第一子符号中PBCH所在的符号作为第四符号，每个第四符号上的第一PBCH在第一资源中的频域资源，与相同 符号上的第二PBCH在第三资源中的频域资源，分布情况相同。
图6为本申请实施例提供的一种第一资源的分布示意图二，如图6所示，网络设备在一个时隙内发送两个SSB，分别为SSB0和SSB1；SSB0占据的第一子符号为2-5，SSB1占据的第一子符号符号为8-11，第四符号3、4和5上的PBCH0-1分别是重复发送的第四符号3、4和5上的PBCH0，第四符号9、10和11上的PBCH1-1分别是重复发送的第四符号9、10和11上的PBCH1；符号4上的两个PBCH0-1之间间隔的子载波数相同，符号10上的两个PBCH1-1之间间隔的子载波数相同。
可以理解的是，网络设备在一个符号上，重复发送在该符号上的PBCH，进一步减少了网络设备重复发送PBCH的复杂度。
在本申请的一些实施例中，所述第一物理广播信道为第二同步信号块中的物理广播信道，所述第二同步信号块的第四资源包含所述第一资源；所述第四资源不对应同步栅格。
在本申请实施例中，第二SSB为重传的SSB，网络设备可以通过重传SSB实现重传PBCH，重传的SSB占用的资源为第四资源，则第四资源中包含第一PBCH占用的第一资源。
在本申请实施例中，第四资源不对应同步栅格表示重传的SSB不在同步栅格上，也就是说，网络设备如果要重传SSB，则重传的SSB不在同步栅格上。
图7为本申请实施例提供的一种第一资源的分布示意图三，如图7所示，网络设备在一个时隙内发送两个SSB，分别为SSB0和SSB1，SSB0占据符号2-5，符号2上的PSS0-1为重复发送的相同符号上的PSS0；符号4上的SSS0-1为重复发送的相同符号上的SSS0，符号3、4和5上的PBCH0-1分别是重复发送的符号3、4和5上的PBCH0，符号9、10和11上的PBCH1-1分别是重复发送的符号9、10和11上的PBCH1；符号4上的两个PBCH0-1之间间隔的子载波数目与两个PBCH0之间间隔的子载波数目相同，SSS0-1和两个PBCH0-1之间间隔的子载波，分别与SSS0和两个PBCH0之间的间隔的子载波数目相同；其中，SSB1-1和SSB1之间时域资源和频域资源的对应关系，与SSB0-1和SSB0之间时域资源和频域资源的对应关系相同，在此，本申请实施例不再赘述。
在本申请的一些实施例中，在一个时隙内，第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源不同或部分不同，且与所述子资源的频域资源不同的资源。
需要说明的是，在一个时隙内，第一资源与第三资源的时域资源部分不同，表示第一资源包含的符号中至少有一个符号不在第三资源包含的符号集合中，例如，第一资源包含的符号为{1，2，3}，第三资源包含的符号为{3，4，5，6}，其中，第一资源包含的符号1和2不在第三资源的符号集合中。
图8为本申请实施例提供的一种第一资源的分布示意图四，如图8所示，网络设备在一个时隙内发送两个SSB，分别为SSB0和SSB1，SSB0占据符号2-5，SSB1占据符号8-11；其中，对SSB0来说，PBCH0-1与SSB0均占有符号2，PBCH0-1与SSB0所占的时域资源部分不同，频域资源相同；PBCH0-2与SSB0所占的时域资源相同，频域资源不同；对SSB1来说，PBCH1-1与SSB1均占有符号8，PBCH1-1与SSB1所占的时域资源部分不同，频域资源相同；PBCH1-2与SSB1所占的时域资源相同，频域资源不同。
在一些实施例中，PBCH0-1和PBCH0-2的频域资源相同，PBCH1-1和PBCH1-2的频域资源相同，从而降低了网络设备重复发送PBCH0的复杂度，以及重复发送PBCH1的复杂度。
在一些实施例中，PBCH0-1、PBCH0-2、PBCH1-1和PBCH1-2的频域资源均相同，从而降低了网络设备重复发送PBCH0和PBCH1的复杂度。
可以理解的是，网络设备对一个时隙上的每个SSB的PBCH，均进行两次重重传，即，每个SSB的第一资源集合均包括两个第一资源，其中一个第一资源与第三资源的时域资源相同，另一个第一资源与上述第一资源的频域资源相同，从而减少了网络设备重复发送两次PBCH的复杂度。
在本申请的一些实施例中，第一资源集合包括一个时隙内，与同步信号块集合所在的频域资源和时域资源中至少一个不同的资源集合；以及，
第一资源集合包括一个时隙内，同步信号块集合所在的频域资源或时域资源中均不相同的资源集合。
在本申请实施例中，第一资源集合中包括：1)与第二资源的频域资源不同的第一资源；2)与第二资源的时域资源不同的第一资源；3)与第二资源的时域资源和频域资源都不相同的第一资源；
图9为本申请实施例提供的一种第一资源的分布示意图五，如图9所示，网络设备在一个时隙内发送两个SSB，分别为SSB0和SSB1，SSB0占据符号2-5，SSB1占据符号8-11，第一资源集合包括PBCH0-1、PBCH0-2、PBCH0-3、PBCH1-1、PBCH1-2和PBCH1-3所在的6个第一资源，其中，对SSB0来说，PBCH0-1所在的第一资源与SSB0所在的第二资源的时域资源不同，频域资源相同，PBCH0-2所在的第一资源与SSB0所在的第二资源的时域资源部分不同，频域资源不同，PBCH0-3所在的第一资源与SSB0所在的第二资源的时域资源相同，频域资源不同；对SSB1来说，PBCH1-1所在的第一资源与SSB1所在的第二资源的时域资源不同，频域资源相同，PBCH1-2、PBCH1-3与SSB1所占的时域资源部分不同，频域资源不同。
在一些实施例中，PBCH0-2和PBCH0-3的频域资源相同，PBCH1-2和PBCH1-3的频域资源相同，从而降低了网络设备重传PBCH0的复杂度，以及重传PBCH1的复杂度。
在一些实施例中，PBCH0-2、PBCH0-3、PBCH1-2和PBCH1-3的频域资源均相同，从而降低了网络设备重传PBCH0和PBCH1的复杂度。
可以理解的是，网络设备在所有第一资源上都可以进行PBCH重传，充分利用SSB所在时隙的时域资源和频域资源，以提供更多次数的PBCH重复发送，增强NR系统的下行覆盖率。
在本申请的一些实施例中，所述第一资源对应的第一时隙与所述同步信号块集合所占用的已用资源对应的第二时隙不同；第一时隙与第二时隙具有对应关系。
在本申请实施例中，网络设备第二时隙上发送SSB集合，同步集合块集合中包括第一SSB，网络设备可以在个这个时隙之外的其他时隙上，发送第一PBCH，也就是说，第一资源对应的时隙是与第二时隙不同的第一时隙。
进一步地，网络设备可以在与第一时隙对应的第二时隙上发送第一PBCH，这里，第一时隙与第二时隙的对应关系可以是标准中预设的对应关系，也可以是网络设备指示终端的对应关系，对此，本申请实施例不作限制。
在本申请实施例中，网络设备在第一时隙上发送第一PBCH，第一PBCH在第一时隙中占据的符号位置，可以与第二PBCH在第二时隙中占据的符号位置相同，也可以不同，对此本申请实施例不作限制。
可以理解的是，第一资源可以在第一同步信号块以外的其他时隙上，这样，网络设备可以在更多时域资源上发送更多次数的第一PBCH，增强了NR系统的下行覆盖率。
在本申请的一些实施例中，第一资源对应的第一时隙在第一半帧中的第一位置，与第二资源对应的第三时隙所在第二半帧中的第二位置一致；第二资源属于已用资源；第一位置中的第一符号位置，与第二位置中的第二符号位置一致；其中，第一符号位置用于重复发送第一物理广播信道，第二符号位置用于发送第一同步信号块中的第二物理广播信道。
在本申请实施例中，第一资源所在的时隙为第一时隙，第一时隙在第一半帧中，第二资源所在的时隙为第二时隙，第二时隙在第二半帧中，第一资源在第一时隙中的第一位置与第二资源在第二时隙中的第二位置相同。
进一步地，第一符号位置在第一位置中的位置，与第二符号位置在第二位置中的位置相同，网络设备在第一符号位置发送第一PBCH，在第二符号位置上发送第二PBCH。
在本申请实施例中，第一半帧用于发送第一PBCH，第二半帧用于发送第二PBCH，在第一半帧上，网络设备不发送SSB，因此，网络设备可以在第一半帧上，发送第一PBCH。
在本申请实施例中，由于网络设备按照SSB-timing周期性的来发送SSB突发集，并且，在第二 半帧内完成对SSB突发集的发送，而SSB-timing的最小取值为5ms，因此，第一半帧和第二半帧之间的最小间隔为5ms，也就是说，如果SSB-timing大于或等于10ms，则网络设备在第二半帧发送完成SSB突发集后，到下一个第二半帧之间间隔的半帧都可以是第一半帧。
需要说明的是，第二半帧之间的半帧中，哪个半帧是第一半帧，可以是标准中预设的，也可以是网络设备指示的，对此，本申请实施例不做限制。
图10为本申请实施例提供的一种第一资源的分布示意图六，如图10所示，SSB周期为10ms，网络设备在第二半帧发送SSB突发集，所有的SSB在第二半帧中的前4个子帧发送，每个子帧包含一个时隙，第二半帧中第一个时隙内中的第二位置包括符号为2-5和8-11，在第一半帧中第一个时隙内的第一位置包括符号3-5和9-11，其中，在符号3-5中分别为重复发送的第二资源所在的符号3-5中的PBCH，在第一资源所在的符号9-11中分别为重复发送的第二资源所在的符号9-11中的PBCH。
在一些实施例中，SSB周期大于或者等于15ms，网络设备在第二半帧发送SSB突发集之后连续的两个半帧内均不发送SSB突发集，网络设备还可以根据实际的SSB周期，设置M位的位图，其中M为一个SSB周期上包括的半帧数目，将M位的位图发送给终端，指示终端在一个SSB周期内的哪个半帧上有发送第一PBCH，或者指示终端在一个SSB周期内没有重复发送的第一PBCH。
在本申请的一些实施例中，网络设备向终端发送了第一指示信息；第一指示信息用于指示第一同步信号块占用的第二资源的时域资源。
需要说明的是，在实际应用中，网络设备在一个SSB突发集中发送SSB的个数可以小于SSB突发集中SSB数目的最大值L，此时，网络设备可以向终端发送第一指示信息，终端基于第一指示信息可以获知第一同步信号块所占用的第二资源的时域资源。
其中，第二资源的时域资源可以包括第二资源的具体符号位置，例如，第二资源占用的符号是指定帧的指定时隙中的指定符号，也可以包括SSB在时域上的相对位置，例如，SSB是一个时隙中的第一个SSB还是第二个SSB，等，对此，本申请实施例不作限制。
基于上述实施例，图11为本申请提供的一种信道的传输方法流程示意图，应用于网络设备，如图11所示，该方法包括：
S1101、基于第一资源集合，发送第一物理广播信道；其中，第一资源集合中包括：至少一个第一资源，一个第一资源为发送一次物理广播信道所占用的资源；第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；第二物理广播信道占用的资源为子资源；至少一个第一资源与第一同步信号块所占用的第二资源不同。
S1102、向终端发送第一指示信息，第一指示信息用于指示第一同步信号块占用的第二资源的时域资源。
在本申请实施例中，网络设备基于第一资源集合，重传PBCH，其中，第一资源集合包括至少一个第一资源，第一资源集合中包含的第一资源的数目表示对PBCH进行重传的次数，由于网络设备是对第一SSB中的第二PBCH进行重传，因此，网络设备还可以向终端发送第一指示信息以指示第一SSB占用的第二资源的时域资源，使终端能按照网络设备的指示确定SSB的时域资源，进而接收第一PBCH。
需要说明的是，对S1101与S1102的执行顺序，可以为先执行S1101，再执行S1102，也可以先执行S1102，再执行S1101，还可以同时执行S1101和S1102，对此，本申请实施例不作限制。
在一些实施例中，第一指示信息中包括SSB位图，SSB位图用于指示终端SSB实际所在的时隙。
在本申请实施例中，以case C为例，网络设备最大可发送的SSB的数目为8，SSB位图(bit map)为8位的位图，图12为本申请实施例提供的一种同步信号块位图的示意图，如图12所示，SSB位图携带的信息表示为“10101010”，其中，每个bit分别对应SSB索引中的0-7；图12中的位图表示，网络设备实际发送的SSB index为SSB0、SSB2、SSB4和SSB6，也就是说，网络设备在SSB突发 集所在的半帧内的前4个时隙上，每个时隙发送一个SSB，SSB在时隙内的符号2-5上。
图13为本申请实施例提供的一种第一资源的分布示意图七，如图13所示，网络设备在一个时隙上发送了SSB0，SSB0占据符号2-5，第一符号包括符号2-5，则第二符号包括0、1和6-13，其中，符号0、1和6上的PBCH0-1、符号9-11上的PBCH0-2和符号8、12和13上的PBCH0-3为重复发送SSB0中的PBCH0，这里，还可以将PBCH0-2所在的符号设置在符号8-10，则PBCH0-3所在的符号为11-13，对此，本申请实施例不作限制。
其中，符号0、1和6上分别与符号3、4和5对应，符号9-11分别与符号3、4和5对应，符号8、12和13分别与符号3、4和5对应，并且，对应符号上的频域资源相同。
在本申请的一些实施例中，在第一资源与子资源中相对应的时频位置的资源单元上，映射的物理广播信道调制符号相同。
需要说明的是，与第一资源相对应的时频位置的资源单元为，在第一资源中的资源单元中，与子资源中相对时频位置相同的资源单元。
举例来说，第一同步信号块占用的符号为2-5，第二PBCH占用的符号为3-5，第一资源所占时域资源为符号0、1和6，符号0上重复发送的分别为符号3上的PBCH，若第一PBCH在符号0上的PBCH占用子载波0-19，第二PBCH在符号3上占用子载波20-39，则符号0上子载波0对应的资源单元，和符号3上子载波20对应的资源单元为相对时频位置相同的资源，这两个资源单元上映射的调制符号相同。
需要说明的是，网络设备需要将原始数据通过PBCH发送给终端时，先对原始数据进行编码，将编码后的原始数据映射为调制符号，将调制符号按照预设规则映射到PBCH中的资源单元上，也就是说，如果在相对应的时频位置的资源单元上的调制符号保持一致，网络设备可以仍按照预设规则在第一资源上映射，减少网络设备重复发送第一PBCH的复杂度。
本申请实施例还提供一种信道的传输方法，应用于终端，该方法包括：
S201、基于第一资源集合，接收第一物理广播信道；其中，第一资源集合中包括：至少一个第一资源，一个第一资源为接收一次物理广播信道所占用的资源；第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；第二物理广播信道占用的资源为子资源；至少一个第一资源与第一同步信号块所占用的第二资源不同。
在本申请实施例中，终端如果在第二资源中接收第二PBCH失败，还可以基于第一资源集合中的第一资源，接收第一PBCH，其中，第一PBCH为第二PBCH的重传，从而增强NR系统的下行覆盖率。
在本申请实施例中，终端根据网络设备的指示，确定第一PBCH的资源，例如，终端接收第一SSB中的同步信号后，基于同步信号确定第一PBCH的第一资源，这样，终端在接收第SSB中的第二PBCH失败后，可以基于第一资源，接收第一PBCH，从而增强NR系统的下行覆盖率。
在本申请的一些实施例中，第一同步信号块包含在一个时隙内对应的至少一个同步信号块中，至少一个同步信号块组成同步信号块集合。
在本申请实施例中，终端在一个时隙内可以接收到至少一个SSB，终端在一个时隙内接收到SSB数目越少，在相同时隙内第一资源集合中第一资源的数目就越多，即终端在一个时隙内可以重复接收的PBCH的次数就越多，NR系统的下行覆盖率就越高。
在本申请实施例中，第一PBCH承载的信息包含第二PBCH承载的信息，这样，终端接收到第一PBCH后，能够获取第二PBCH承载的所有信息，也就是说，终端即使接收第二PBCH失败，仍然可以获取第二PBCH中承载的信息。
在本申请的一些实施例中，在一个时隙内，第一资源为与同步信号块集合所占用的已用资源的时域资源不同，且与第一资源和子资源的频域资源相同的资源。
在本申请实施例中，终端是在与第二PBCH的频域资源相同，且时域资源不同的第一资源上接 收第一PBCH，由此，减少了终端接收第一PBCH的复杂度，同时减少终端接收PBCH的带宽要求。
在本申请的一些实施例中，已用资源的时域资源为同步信号块集合所在的第一符号；针对一个时隙，终端在第二符号上，基于与子资源的频域资源相同的频域资源接收第一物理广播信道；第二符号为一个时隙内除第一符号之外的符号。
在本申请实施例中，终端在一个时隙内的第一符号上接收SSB，在这个时隙内，可以在除第一符号以外的第二符号上，接收第一PBCH，第一PBCH和SSB中的第二PBCH的频域资源相同。
在本申请的一些实施例中，在一个时隙内，所述第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源相同，且与所述子资源的频域资源不同的资源。
在本申请实施例中，在本申请实施例中，终端在与第二PBCH的时域资相同且频域资源不同的第一资源上，接收第一PBCH，由此，减少了终端接收第一PBCH的复杂度。
在本申请的一些实施例中，第三资源的时域资源为任意一个同步信号块所在的第一子符号；针对一个时隙，在第一子符号上，终端基于与子资源的频域资源不同的频域资源接收第一物理广播信道。
在本申请实施例中，终端在一个时隙内的第一子符号上接收SSB，就可以第一子符号上，接收第一PBCH，第一PBCH和SSB中的第二PBCH的频域资源不同。
在本申请的一些实施例中，第一物理广播信道为第二同步信号块中的物理广播信道，第二同步信号块的第四资源包含第一资源；第四资源不对应同步栅格。
在本申请实施例中，终端接收重传的SSB，重传的SSB占用的资源为第四资源，重传的SSB中的PBCH为第一PBCH。
其中，第四资源不对应同步栅格，表示重传的SSB不在同步栅格上。
可以理解的是，终端在同步栅格上检测到SSB，会将该SSB确认为网络设备正常发送的SSB，从而影响终端的时间同步。
在本申请的一些实施例中，在一个时隙内，第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源不同或部分不同，且与子资源的频域资源不同的资源。
在本申请实施例中，终端在一个时隙内接收的第一PBCH与第二PBCH的频域资源不同，终端接收第一PBCH可以包括一下至少一种：1)在SSB所在的符号上接收第一PBCH；2)在SSB所在的符号之外的符号上接收第一PBCH；3)在与SSB所在的符号部分相同的符号上，接收第一PBCH。
进一步地，上述终端接收第一PBCH的三种情况下，第一PBCH的频域资源均相同。
可以理解的是，终端在一个时隙内的多个时域资源上，都可以接收第一PBCH，且第一PBCH和第二PBCH频域资源相同，减少了终端接收第一PBCH的复杂度。
在本申请的一些实施例中，第一资源集合包括一个时隙内，与同步信号块集合所在的频域资源和时域资源中至少一个不同的资源集合；以及，
第一资源集合包括一个时隙内，同步信号块集合所在的频域资源或时域资源中均不相同的资源集合。
在本申请实施例中，在一个时隙内，终端可以在SSB以外的其他所有资源上接收第一PBCH，也就是说，终端可以在一个时隙内接收更多次数的第一PBCH，从而增强NR系统的下行覆盖率。
在本申请的一些实施例中，第一资源对应的第一时隙与同步信号块集合所占用的已用资源对应的第二时隙不同；第一时隙与第二时隙具有对应关系。
在本申请的一些实施例中，第一资源对应的第一时隙在第一半帧中的第一位置，与第二资源对应的第三时隙所在第二半帧中的第二位置一致；第二资源属于已用资源；第一位置中的第一符号位置，与第二位置中的第二符号位置一致；其中，第一符号位置用于接收第一物理广播信道，第二符号位置用于接收第一同步信号块中的第二物理广播信道。
在本申请实施例中，终端根据第一时隙和第二时隙的对应关系，在第一时隙上接收第一PBCH， 其中，第一时隙是与SSB所在时隙不同的时隙，由此，终端在第一时隙内，可以在更多时域资源上接收更多次数的第一PBCH，进一步增强了NR系统的下行覆盖率。
在本申请的一些实施例中，终端接收第一指示信息；第一指示信息用于指示第一同步信号块占用的第二资源的时域资源。
在本申请实施例中，终端接收到第一指示信息后，根据第一指示信息确定实际SSB所占用的第二资源的时域资源。
基于上述实施例，图14为本申请还提供的一种信道的传输方法流程示意图，应用于终端，如图14所示，该方法包括：
S1401、基于第一资源集合，接收第一物理广播信道；其中，第一资源集合中包括：至少一个第一资源，一个第一资源为接收一次物理广播信道所占用的资源；第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；第二物理广播信道占用的资源为子资源；至少一个第一资源与第一同步信号块所占用的第二资源不同。
S1402、接收第一指示信息，第一指示信息用于指示第一同步信号块占用的第二资源的时域资源。
需要说明的是，对S1401与S1402的执行顺序，可以为先执行S1401，再执行S1402，也可以先执行S1402，再执行S1401，还可以同时执行S1401和S1402，对此，本申请实施例不作限制。
在本申请的一些实施例中，在第一资源与子资源中相对应的时频位置的资源单元上，映射的物理广播信道调制符号相同。
在本申请实施例中，终端接收的第一PBCH和第二PBCH，在相对时频位置相同的资源单元上，所承载的信息相同，由此，减少终端接收第一PBCH的复杂度。
需要说明的是，终端侧信道的传输方法和网络设备侧信道的传输方法是相对应的，其中，对第一资源的阐述也是相同的，在此，不再一一赘述。
本申请实施例提供一种信道的传输方法，应用于网络设备和终端之间的交互，如图15所示，该方法包括：
S1501、网络设备基于第一资源集合，向终端发送第一物理广播信道；其中，第一资源集合中包括：至少一个第一资源，一个第一资源为发送一次物理广播信道所占用的资源；第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；第二物理广播信道占用的资源为子资源；至少一个第一资源与第一同步信号块所占用的第二资源不同。
在本申请实施例中，网络设备基于第一资源集合，对第一SSB中的第二PBCH进行重传，第一PBCH为第二PBCH的重传，终端在第二资源上接收第一SSB中的第二PBCH，如果接收失败，还可以基于第一资源，接收第一PBCH，从而提高NR系统的下行覆盖率。
图16为本申请实施例提供的网络设备的结构组成示意图一，如图16所示，所述网络设备16包括：
发送模块161，用于基于第一资源集合，发送第一物理广播信道；其中，
所述第一资源集合中包括：至少一个第一资源，一个第一资源为发送一次所述物理广播信道所占用的资源；所述第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；所述第二物理广播信道占用的资源为子资源；所述至少一个第一资源与所述第一同步信号块所占用的第二资源不同。
在一些实施例中，所述第一同步信号块包含在一个时隙内对应的至少一个同步信号块中，所述至少一个同步信号块组成所述同步信号块集合。
在一些实施例中，在一个时隙内，所述第一资源为与同步信号块集合所占用的已用资源的时域资源不同，且与第一资源和所述子资源的频域资源相同的资源。
在一些实施例中，所述已用资源的时域资源为同步信号块集合所在的第一符号；所述发送模块161，还用于基于第一资源集合，发送第一物理广播信道，包括：
针对一个时隙，在第二符号上，基于所述子资源的频域资源发送所述第一物理广播信道；所述第二符号为所述一个时隙内除所述第一符号之外的符号。
在一些实施例中，在一个时隙内，所述第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源相同，且与所述子资源的频域资源不同的资源。
在一些实施例中，所述第三资源的时域资源为任意一个同步信号块所在的第一子符号；所述发送模块161，还用于基于第一资源集合，发送第一物理广播信道，包括：
针对一个时隙，在所述第一子符号上，基于与所述子资源的频域资源不同的频域资源发送所述第一物理广播信道。
在一些实施例中，所述第一物理广播信道为第二同步信号块中的物理广播信道，所述第二同步信号块的第四资源包含所述第一资源；所述第四资源不对应同步栅格。
在一些实施例中，在一个时隙内，所述第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源不同或部分不同，且与所述子资源的频域资源不同的资源。
在一些实施例中，所述第一资源集合包括一个时隙内，与同步信号块集合所在的频域资源和时域资源中至少一个不同的资源集合；以及，所述第一资源集合包括一个时隙内，同步信号块集合所在的频域资源或时域资源中均不相同的资源集合。
在一些实施例中，所述第一资源对应的第一时隙与所述同步信号块集合所占用的已用资源对应的第二时隙不同；所述第一时隙与所述第二时隙具有对应关系。
在一些实施例中，所述发送模块161，还用于向终端发送第一指示信息；所述第一指示信息用于指示所述第一同步信号块所占用的所述第二资源的时域资源。
在一些实施例中，在所述第一资源与所述子资源中相对应的时频位置的资源单元上，映射的物理广播信道调制符号相同。
图17为本申请实施例提供的终端的结构组成示意图一，如图17所示，所述终端17包括：
接收模块171，用于基于第一资源集合，接收第一物理广播信道；其中，
所述第一资源集合中包括：至少一个第一资源，一个第一资源为接收一次所述物理广播信道所占用的资源；所述第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；所述第二物理广播信道占用的资源为子资源；所述至少一个第一资源与所述第一同步信号块所占用的第二资源不同。
在一些实施例中，所述第一同步信号块包含在一个时隙内对应的至少一个同步信号块中，所述至少一个同步信号块组成所述同步信号块集合。
在一些实施例中，在一个时隙内，所述第一资源为与同步信号块集合所占用的已用资源的时域资源不同，且与第一资源和所述子资源的频域资源相同的资源。
在一些实施例中，所述已用资源的时域资源为同步信号块集合所在的第一符号；所述接收模块171，还用于基于第一资源集合，接收第一物理广播信道，包括：
针对一个时隙，在第二符号上，基于所述子资源的频域资源接收所述第一物理广播信道；所述第二符号为所述一个时隙内除所述第一符号之外的符号。
在一些实施例中，在一个时隙内，所述第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源相同，且与所述子资源的频域资源不同的资源。
在一些实施例中，所述第三资源的时域资源为任意一个同步信号块所在的第一子符号；所述接收模块171，还用于基于第一资源集合，接收第一物理广播信道，包括：
针对一个时隙，在所述第一子符号上，基于与所述子资源的频域资源不同的频域资源接收所述第一物理广播信道。
在一些实施例中，所述第一物理广播信道为第二同步信号块中的物理广播信道，所述第二同步信号块的第四资源包含所述第一资源；所述第四资源不对应同步栅格。
在一些实施例中，在一个时隙内，所述第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源不同或部分不同，且与所述子资源的频域资源不同的资源。
在一些实施例中，所述第一资源集合包括一个时隙内，与同步信号块集合所在的频域资源和时域资源中至少一个不同的资源集合；以及，所述第一资源集合包括一个时隙内，同步信号块集合所在的频域资源或时域资源中均不相同的资源集合。
在一些实施例中，所述第一资源对应的第一时隙与所述同步信号块集合所占用的已用资源对应的第二时隙不同；所述第一时隙与所述第二时隙具有对应关系。
在一些实施例中，所述接收模块171，还用于接收第一指示信息；所述第一指示信息用于指示所述第一同步信号块所占用的所述第二资源的时域资源。
在一些实施例中，在所述第一资源与所述子资源中相对应的时频位置的资源单元上，映射的物理广播信道调制符号相同。
图18为本申请实施例的网络设备的结构组成示意图二，如图18所示，网络设备18包括第一存储器1801、第一处理器1802及存储在第一存储器1801上并可在第一处理器1802上运行的计算机程序；其中，第一处理器用于运行所述计算机程序时，执行如前述实施例中网络设备侧的信道的传输方法。
可以理解，网络设备18还包括总线系统1803；网络设备18中的各个组件通过总线系统1803耦合在一起。可理解，总线系统1803用于实现这些组件之间的连接通信。总线系统1803除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。
图19为本申请实施例的终端的结构组成示意图二，如图19所示，终端19包括第二存储器1901、第二处理器1902及存储在第二存储器1901上并可在第二处理器1902上运行的计算机程序；其中，第二处理器用于运行所述计算机程序时，执行如前述实施例中终端侧的信道的传输方法。
可以理解，终端19还包括总线系统1903；终端19中的各个组件通过总线系统1903耦合在一起。可理解，总线系统1903用于实现这些组件之间的连接通信。总线系统1903除包括数据总线之外，还包括电源总线、控制总线和状态信号总线。
可以理解，本实施例中的存储器可以是易失性存储器或非易失性存储器，也可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read Only Memory，ROM)、可编程只读存储器(Programmable Read-Only Memory，PROM)、可擦除可编程只读存储器(Erasable Programmable Read-Only Memory，EPROM)、电可擦除可编程只读存储器(Electrically Erasable Programmable Read-Only Memory，EEPROM)、磁性随机存取存储器(Ferromagnetic Random Access Memory，FRAM)、快闪存储器(Flash Memory)、磁表面存储器、光盘、或只读光盘(Compact Disc Read-Only Memory，CD-ROM)；磁表面存储器可以是磁盘存储器或磁带存储器。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static Random Access Memory，SRAM)、同步静态随机存取存储器(Synchronous Static Random Access Memory，SSRAM)、动态随机存取存储器(Dynamic Random Access Memory，DRAM)、同步动态随机存取存储器(Synchronous Dynamic Random Access Memory，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate Synchronous Dynamic Random Access Memory，DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced Synchronous Dynamic Random Access Memory，ESDRAM)、同步连接动态随机存取存储器(SyncLink Dynamic Random Access Memory，SLDRAM)、直接内存总线随机存取存储器(Direct Rambus Random Access Memory，DRRAM)。本申请实施例描述的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
上述本申请实施例揭示的方法可以应用于处理器中，或者由处理器实现。处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器中的硬件的 集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、DSP，或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。处理器可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本申请实施例所公开的方法的步骤，可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于存储介质中，该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成前述方法的步骤。
本申请实施例还提供了一种计算机可读存储介质，其上存储有计算机程序，在计算机可读存储介质位于网络设备时，该计算机程序被第一处理器执行时实现本申请实施例网络设备侧信道的传输方法中的步骤。
本申请实施例还提供了一种计算机可读存储介质，其上存储有计算机程序，在计算机可读存储介质位于终端时，该计算机程序被第二处理器执行时实现本申请实施例终端侧信道的传输方法中的步骤。
在本申请所提供的几个实施例中，应该理解到，所揭露的设备和方法，可以通过其它的方式实现。以上所描述的设备实施例仅仅是示意性的，例如，所述模块的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，如：多个模块或组件可以结合，或可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的各组成部分相互之间的耦合、或直接耦合、或通信连接可以是通过一些接口，设备或模块的间接耦合或通信连接，可以是电性的、机械的或其它形式的。
工业实用性
本申请实施例中，网络设备基于第一资源集合，向终端进行至少一次PBCH的重传，这样，终端在接收同步信号块中的PBCH失败后，还可以接收重传的PBCH，从而增强了NR系统的下行覆盖率。

Claims (30)

  1. 一种信道的传输方法，应用于网络设备，其特征在于，包括：
    基于第一资源集合，发送第一物理广播信道；其中，
    所述第一资源集合中包括：至少一个第一资源，一个第一资源为发送一次所述物理广播信道所占用的资源；所述第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；所述第二物理广播信道占用的资源为子资源；所述至少一个第一资源与所述第一同步信号块所占用的第二资源不同。
  2. 根据权利要求1所述的方法，其特征在于，
    所述第一同步信号块包含在一个时隙内对应的至少一个同步信号块中，所述至少一个同步信号块组成所述同步信号块集合。
  3. 根据权利要求2所述的方法，其特征在于，
    在一个时隙内，所述第一资源为与同步信号块集合所占用的已用资源的时域资源不同，且与第一资源和所述子资源的频域资源相同的资源。
  4. 根据权利要求3所述的方法，其特征在于，所述已用资源的时域资源为同步信号块集合所在的第一符号；所述基于第一资源集合，发送第一物理广播信道，包括：
    针对一个时隙，在第二符号上，基于与所述子资源的频域资源相同的频域资源发送所述第一物理广播信道；所述第二符号为所述一个时隙内除所述第一符号之外的符号。
  5. 根据权利要求2所述的方法，其特征在于，
    在一个时隙内，所述第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源相同，且与所述子资源的频域资源不同的资源。
  6. 根据权利要求5所述的方法，其特征在于，所述第三资源的时域资源为任意一个同步信号块所在的第一子符号；所述基于第一资源集合，发送第一物理广播信道，包括：
    针对一个时隙，在所述第一子符号上，基于与所述子资源的频域资源不同的频域资源发送所述第一物理广播信道。
  7. 根据权利要求6所述的方法，其特征在于，
    所述第一物理广播信道为第二同步信号块中的物理广播信道，所述第二同步信号块的第四资源包含所述第一资源；所述第四资源不对应同步栅格。
  8. 根据权利要求2所述的方法，其特征在于，
    在一个时隙内，所述第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源不同或部分不同，且与所述子资源的频域资源不同的资源。
  9. 根据权利要求2所述的方法，其特征在于，
    所述第一资源集合包括一个时隙内，与同步信号块集合所在的频域资源和时域资源中至少一个不同的资源集合；以及，
    所述第一资源集合包括一个时隙内，同步信号块集合所在的频域资源或时域资源中均不相同的资源集合。
  10. 根据权利要求2所述的方法，其特征在于，
    所述第一资源对应的第一时隙与所述同步信号块集合所占用的已用资源对应的第二时隙不同；所述第一时隙与所述第二时隙具有对应关系。
  11. 根据权利要求1至10任一项所述的方法，其特征在于，所述方法包括：
    向终端发送第一指示信息；所述第一指示信息用于指示所述第一同步信号块所占用的所述第二资源的时域资源。
  12. 根据权利要求1至10任一项所述的方法，其特征在于，
    在所述第一资源与所述子资源中相对应的时频位置的资源单元上，映射的物理广播信道调制符号相同。
  13. 一种信道的传输方法，应用于终端，其特征在于，包括：
    基于第一资源集合，接收第一物理广播信道；其中，
    所述第一资源集合中包括：至少一个第一资源，一个第一资源为接收一次所述物理广播信道所占用的资源；所述第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；所述第二物理广播信道占用的资源为子资源；所述至少一个第一资源与所述第一同步信号块所占用的第二资源不同。
  14. 根据权利要求13所述的方法，其特征在于，
    所述第一同步信号块包含在一个时隙内对应的至少一个同步信号块中，所述至少一个同步信号块组成所述同步信号块集合。
  15. 根据权利要求14所述的方法，其特征在于，
    在一个时隙内，所述第一资源为与同步信号块集合所占用的已用资源的时域资源不同，且与第一资源和所述子资源的频域资源相同的资源。
  16. 根据权利要求15所述的方法，其特征在于，所述已用资源的时域资源为同步信号块集合所在的第一符号；所述基于第一资源集合，接收第一物理广播信道，包括：
    针对一个时隙，在第二符号上，基于与所述子资源的频域资源相同的频域资源接收所述第一物理广播信道；所述第二符号为所述一个时隙内除所述第一符号之外的符号。
  17. 根据权利要求14所述的方法，其特征在于，
    在一个时隙内，所述第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源相同，且与所述子资源的频域资源不同的资源。
  18. 根据权利要求17所述的方法，其特征在于，所述第三资源的时域资源为任意一个同步信号块所在的第一子符号；所述基于第一资源集合，接收第一物理广播信道，包括：
    针对一个时隙，在所述第一子符号上，基于与所述子资源的频域资源不同的频域资源接收所述第一物理广播信道。
  19. 根据权利要求18所述的方法，其特征在于，
    所述第一物理广播信道为第二同步信号块中的物理广播信道，所述第二同步信号块的第四资源包含所述第一资源；所述第四资源不对应同步栅格。
  20. 根据权利要求14所述的方法，其特征在于，
    在一个时隙内，所述第一资源为与同步信号块集合中任意一个同步信号块所占用的第三资源的时域资源不同或部分不同，且与所述子资源的频域资源不同的资源。
  21. 根据权利要求14所述的方法，其特征在于，
    所述第一资源集合包括一个时隙内，与同步信号块集合所在的频域资源和时域资源中至少一个不同的资源集合；以及，
    所述第一资源集合包括一个时隙内，同步信号块集合所在的频域资源或时域资源中均不相同的资源集合。
  22. 根据权利要求14所述的方法，其特征在于，
    所述第一资源对应的第一时隙与所述同步信号块集合所占用的已用资源对应的第二时隙不同；所述第一时隙与所述第二时隙具有对应关系。
  23. 根据权利要求13至22任一项所述的方法，其特征在于，所述方法包括：
    接收第一指示信息；所述第一指示信息用于指示所述第一同步信号块所占用的所述第二资源的时域资源。
  24. 根据权利要求13至22任一项所述的方法，其特征在于，在所述第一资源与所述子资源中相对应的时频位置的资源单元上，映射的物理广播信道调制符号相同。
  25. 一种网络设备，其特征在于，包括：
    发送模块，用于基于第一资源集合，发送第一物理广播信道；其中，
    所述第一资源集中包括：至少一个第一资源，一个第一资源为发送一次所述物理广播信道所占用的资源；所述第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；所述第二物理广播信道占用的资源为子资源；所述至少一个第一资源与所述第一同步信号块所占用的第二资源不同。
  26. 一种终端，其特征在于，包括：
    接收模块，用于基于第一资源集合，接收第一物理广播信道；其中，
    所述第一资源集中包括：至少一个第一资源，一个第一资源为接收一次所述物理广播信道所占用的资源；所述第一物理广播信道为第一同步信号块中的第二物理广播信道的重传；所述第二物理广播信道占用的资源为子资源；所述至少一个第一资源与所述第一同步信号块所占用的第二资源不同。
  27. 一种网络设备，其特征在于，所述网络设备包括：第一处理器和用于存储能够在第一处理器上运行的计算机程序的第一存储器；
    其中，所述第一处理器用于运行所述计算机程序时，执行权利要求1至12任一项所述方法的步骤。
  28. 一种终端，其特征在于，所述终端包括：第二处理器和用于存储能够在第二处理器上运行的计算机程序的第二存储器；
    其中，所述第二处理器用于运行所述计算机程序时，执行权利要求13至24任一项所述方法的步骤。
  29. 一种计算机可读存储介质，应用于网络设备，其特征在于，存储有计算机程序，当所述计算机程序被一个或多个第一处理器执行的时候，所述处理器执行所述的权利要求1至12任一项所述的信道的传输方法。
  30. 一种计算机可读存储介质，应用于终端，其特征在于，存储有计算机程序，当所述计算机程序被一个或多个第二处理器执行的时候，所述处理器执行所述的权利要求13至24任一项所述的信道的传输方法。
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