WO2019063007A1 - 随机接入方法及装置 - Google Patents

随机接入方法及装置 Download PDF

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Publication number
WO2019063007A1
WO2019063007A1 PCT/CN2018/109058 CN2018109058W WO2019063007A1 WO 2019063007 A1 WO2019063007 A1 WO 2019063007A1 CN 2018109058 W CN2018109058 W CN 2018109058W WO 2019063007 A1 WO2019063007 A1 WO 2019063007A1
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WO
WIPO (PCT)
Prior art keywords
random access
system frame
access resource
configuration index
preamble format
Prior art date
Application number
PCT/CN2018/109058
Other languages
English (en)
French (fr)
Inventor
颜矛
黄煌
高宽栋
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP18863649.2A priority Critical patent/EP3681237B1/en
Priority to MX2020003392A priority patent/MX2020003392A/es
Priority to BR112020006206-5A priority patent/BR112020006206B1/pt
Priority to JP2020518064A priority patent/JP7198812B2/ja
Priority to CA3076760A priority patent/CA3076760C/en
Publication of WO2019063007A1 publication Critical patent/WO2019063007A1/zh
Priority to US16/829,928 priority patent/US11503646B2/en
Priority to JP2022068584A priority patent/JP7350932B2/ja

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/002Transmission of channel access control information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/002Transmission of channel access control information
    • H04W74/006Transmission of channel access control information in the downlink, i.e. towards the terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/002Transmission of channel access control information
    • H04W74/008Transmission of channel access control information with additional processing of random access related information at receiving side
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access

Definitions

  • the present application relates to the field of wireless communications, and in particular, to a random access method and apparatus.
  • uplink synchronization and downlink synchronization are first required.
  • the base station sends a downlink synchronization signal by using multiple transmit beams, and the terminal uses one or more receive beams to receive and detect the downlink synchronization signal, and determine the optimal downlink transmit beam and receive beam pair, downlink time, and system. information.
  • the uplink synchronization is completed by means of a random access procedure, and the terminal first sends a random access signal, and the base station detects the random access signal, obtains the best uplink transmit beam, the receive beam pair, the uplink time, and the like, and implements the uplink of the base station and the terminal. Synchronize.
  • the present application provides a random access method and apparatus for solving the problem of low efficiency of a random access procedure.
  • the first aspect of the present application provides a random access method, including:
  • the terminal sends a random access preamble to the network device according to the random access resource corresponding to the downlink signal.
  • the association relationship between the random access resource and the downlink signal includes an index manner of the random access resource.
  • the terminal determines, according to the association relationship between the random access resource and the downlink signal, the random access resource corresponding to the downlink signal, including:
  • the terminal Determining, by the terminal, the downlink signal according to the index mode of the random access resource and the number of random access resources at the same time, in the N time slots or subframes in the period in which the random access resource is located.
  • the frequency position f of the random access resource corresponding to the downlink signal is determined at time t, and N is an integer greater than 0.
  • the terminal determines, according to the random access configuration index, a random access resource, including:
  • the terminal before the sending, by the terminal, the random access preamble to the network device according to the random access resource corresponding to the downlink signal, the terminal further includes:
  • the terminal receives the second indication information that is sent by the network device, where the second indication information includes: structure information of a random access slot or a subframe; and the terminal is configured according to the random access slot or subframe
  • the structure information determines a time at which the random access resource is located within a time range of the random access resource.
  • the terminal before the sending, by the terminal, the random access preamble to the network device according to the random access resource corresponding to the downlink signal, the terminal further includes:
  • the terminal receives the third indication information that is sent by the network device, where the third indication information is used to indicate an index manner of the random access resource.
  • the method further includes:
  • the method further includes:
  • the terminal receives fourth indication information sent by the network device, where the fourth indication information is used to indicate a downlink signal block that is actually transmitted.
  • a second aspect of the present application provides a random access method, including:
  • the network device generates first indication information, where the first indication information is used to indicate a random access configuration index
  • the network device sends the first indication information to the terminal, where the random access resource of the terminal is determined by the terminal according to the random access configuration index, and the random access resource corresponding to the downlink signal is used by the terminal. And determining according to the association relationship between the random access resource and the downlink signal. That is, the random access configuration index is used to determine a random access resource of the terminal.
  • the association relationship between the random access resource and the downlink signal includes an index manner of the random access resource.
  • the indexing method of the random access resource includes: first determining, according to the index mode of the random access resource and the number of random access resources at the same time, the time at which the random access resource is located The time t of the random access resource corresponding to the downlink signal, and the frequency position f of the random access resource corresponding to the downlink signal is determined at time t; or, according to the index mode of the random access resource and the random time at the same time Determining the frequency position f of the random access resource corresponding to the downlink signal in the frequency domain of the time when the random access resource is located, and determining the downlink signal corresponding to the frequency position f Time t of the random access resource; or, according to the index mode of the random access resource and the number of random access resources at the same time, first N time slots or sub-periods within the period in which the random access resource is located Determining a time t of the random access resource corresponding to the downlink signal, and determining, at time t, a frequency position
  • the time range of the random access resource is determined by the terminal according to the subcarrier spacing of the random access preamble, the sequence length of the random access preamble, the maximum number of downlink signal blocks, and the downlink signal actually transmitted. One or more of the blocks, and the random access configuration index is determined.
  • the method further includes:
  • the network device sends the second indication information to the terminal, where the second indication information includes: structure information of a random access slot or a subframe; and the time at which the random access resource is located according to the random access
  • the structure information of the slot or subframe is determined within the time range of the random access resource.
  • the method further includes:
  • the network device sends third indication information to the terminal, where the third indication information is used to indicate an indexing manner of the random access resource, and the random access resource corresponding to the downlink signal is according to the random access resource.
  • the index mode is determined within the time when the random access resource is located.
  • a format of a random access preamble and a system frame position in a time range of the random access resource, the subcarrier spacing according to the random access preamble, and a sequence length of the random access preamble by the terminal And determining, by the number of the maximum downlink signal blocks, one or more of the actually transmitted downlink signal blocks, and the random access configuration index.
  • the method further includes:
  • the network device sends fourth indication information to the terminal, where the fourth indication information is used to indicate a downlink signal block that is actually transmitted.
  • a third aspect of the present application provides a random access method, including:
  • the terminal sends a random access preamble to the network device according to the random access resource corresponding to the downlink signal.
  • the terminal determines, according to the random access configuration index that is sent by the network device, the time slot in which the random access resource is located, including:
  • the terminal determines a time slot in which the random access resource is located according to the random access subcarrier interval, the maximum number of downlink signal blocks, one or more of the actually transmitted downlink signal blocks, and the random access configuration index.
  • the terminal receives the first indication information sent by the network device, where the first indication information is used to indicate a random access configuration index.
  • the terminal determines the random access resource corresponding to the downlink signal in the time slot in which the random access resource is located according to the index mode of the current random access resource, including:
  • the terminal determines the time t of the random access resource and the time t at the time slot in which the random access resource is located, according to the index mode of the current random access resource and the number of random access resources at the same time. Determining the frequency location f of the random access resource; or,
  • the terminal determines the random access resource corresponding to the downlink signal in the time slot in which the random access resource is located according to the index mode of the current random access resource, including:
  • the terminal determines the random access resource corresponding to the downlink signal in the time slot in which the random access resource is located, according to the association between the downlink signal and the random access resource and the index mode of the current random access resource.
  • association relationship may include any one of the following:
  • the random access resource at the same time corresponds to a downlink signal
  • the random access resources at the same time correspond to multiple downlink signals
  • the random access resources at the same time correspond to all downlink signals.
  • the method further includes:
  • Determining random access in the random access slot according to the random access subcarrier interval, the maximum number of downlink signal blocks, one or more of the actually transmitted downlink signal blocks, and the random access configuration index Preamble format, system frame position.
  • the method further includes:
  • the terminal receives fourth indication information sent by the network device, where the fourth indication information is used to indicate a downlink signal block that is actually transmitted.
  • a fourth aspect of the present application provides a random access method, including:
  • the network device generates third indication information, where the third indication information is used to indicate an index mode of the current random access resource
  • the network device sends the third indication information to the terminal, so that the terminal determines, according to the index mode of the current random access resource, the random access corresponding to the downlink signal in the time slot in which the random access resource is located. Resources.
  • the time slot in which the random access resource is located is determined by the terminal according to a random access subcarrier interval, a maximum number of downlink signal blocks, one or more of the actually transmitted downlink signal blocks, and random access. Configure index determination.
  • the method further includes:
  • the network device sends first indication information to the terminal, where the first indication information includes: a random access configuration index.
  • the indexing manner of the current random access resource indicates that the terminal determines the randomness in all time slots of the random access period according to the index mode of the current random access resource and the number of random access resources at the same time.
  • the random access resource corresponding to the downlink signal is specifically configured by the terminal according to an association between a downlink signal and a random access resource, and an indexing manner of the current random access resource, where the random access resource is located. Determined within the time slot.
  • association relationship includes any one of the following:
  • the random access resource at the same time corresponds to a downlink signal
  • the random access resources at the same time correspond to multiple downlink signals
  • the random access resources at the same time correspond to all downlink signals.
  • the format of the random access preamble in the random access slot, the system frame position by the random access subcarrier interval, the maximum number of downlink signal blocks, one or more of the actually transmitted downlink signal blocks, and the The random access configuration index is determined.
  • the method further includes:
  • the network device sends fourth indication information to the terminal, where the fourth indication information is used to indicate the downlink signal block actually transmitted.
  • a fifth aspect of the present application provides a random access method, including:
  • the terminal determines, according to the association relationship between the random access resource and the downlink signal, the random access resource corresponding to the downlink signal;
  • the terminal sends a random access preamble to the network device according to the random access resource corresponding to the downlink signal.
  • the association relationship between the random access resource and the downlink signal includes an index manner of the random access resource.
  • the determining, by the terminal, the random access resource corresponding to the downlink signal according to the association relationship between the random access resource and the downlink signal including:
  • the frequency position f of the random access resource is determined at time t, and N is an integer greater than zero.
  • a sixth aspect of the present application provides a random access apparatus, the apparatus comprising means or means for performing the methods of the first aspect and various implementations of the first aspect described above.
  • a seventh aspect of the present application provides a random access device, the device comprising means or means for performing the methods of the second aspect and the various implementations of the second aspect described above.
  • An eighth aspect of the present application provides a random access apparatus, the apparatus comprising means or means for performing the methods of the third aspect and various implementations of the third aspect described above.
  • a ninth aspect of the present application provides a random access apparatus, the apparatus comprising means or means for performing the methods of the fourth aspect and various implementations of the fourth aspect described above.
  • a tenth aspect of the present application provides a random access apparatus, the apparatus comprising means or means for performing the methods provided by the fifth aspect and the various implementations of the fifth aspect.
  • An eleventh aspect of the present application provides a random access device, the device comprising a processor and a memory, the memory is for storing a program, and the processor calls a program stored in the memory to perform the method provided by the first aspect of the application.
  • a twelfth aspect of the present application provides a random access device, the device comprising a processor and a memory, the memory is for storing a program, and the processor calls a program stored in the memory to perform the method provided by the second aspect of the present application.
  • a thirteenth aspect of the present application provides a random access device, the device comprising a processor and a memory, the memory is for storing a program, and the processor calls a program stored in the memory to perform the method provided by the third aspect of the present application.
  • a fourteenth aspect of the present application provides a random access device, the device comprising a processor and a memory, the memory for storing a program, and the processor calling a program stored in the memory to perform the method provided by the fourth aspect of the present application.
  • a fifteenth aspect of the present application provides a random access device, the device comprising a processor and a memory, the memory is for storing a program, and the processor calls a program stored in the memory to execute the method provided by the fifth aspect of the present application.
  • a sixteenth aspect of the present application provides a random access device comprising at least one processing element (or chip) for performing the method of the above first aspect.
  • a seventeenth aspect of the present application provides a random access device comprising at least one processing element (or chip) for performing the method of the above second aspect.
  • the eighteenth aspect of the present application provides a random access device comprising at least one processing element (or chip) for performing the method of the above third aspect.
  • a nineteenth aspect of the present application provides a random access device comprising at least one processing element (or chip) for performing the method of the above fourth aspect.
  • a twentieth aspect of the present application provides a random access device comprising at least one processing element (or chip) for performing the method of the above fifth aspect.
  • a twenty-first aspect of the present application provides a program for performing the method of the above first aspect.
  • a twenty-second aspect of the present application provides a computer storage medium comprising the program of the twenty-first aspect.
  • the twenty-third aspect of the present application provides a program for performing the method of the above second aspect.
  • a twenty-fourth aspect of the present application provides a computer storage medium comprising the program of the twenty-third aspect.
  • a twenty-fifth aspect of the present application provides a program for performing the method of the above third aspect.
  • a twenty-sixth aspect of the present application provides a computer storage medium comprising the program of the twenty-fifth aspect.
  • a twenty-seventh aspect of the present application provides a program for performing the method of the above fourth aspect.
  • a twenty-eighth aspect of the present application provides a computer storage medium comprising the program of the twenty-seventh aspect.
  • a twenty-ninth aspect of the present application provides a program for performing the method of the above fifth aspect.
  • a thirtieth aspect of the present application provides a computer storage medium comprising the program of the twenty-ninth aspect.
  • the network device In the random access method and device provided by the present application, the network device generates first indication information, where the first indication information is used to indicate a random access configuration index, and then the first indication information is sent to the terminal, and the terminal is configured according to the random access. Determining a random access resource, determining, according to the association relationship between the random access resource and the downlink signal, the random access resource corresponding to the downlink signal, and sending the random access resource to the network device according to the random access resource corresponding to the downlink signal Access the preamble.
  • the random access configuration index indicated by the network device is implemented, the random access resource is determined, and the random access resource corresponding to the downlink signal is determined according to the association between the downlink signal and the random access resource, thereby preventing the terminal from transmitting the random access.
  • the network device side can also receive the random access preamble on the random access resource corresponding to the downlink signal, avoiding the problem of beam mismatch, and improving the efficiency of the random access process.
  • FIG. 1 is a schematic structural diagram of a communication system provided by the present application.
  • FIG. 2 is a schematic flowchart of a random access method according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a random access method according to another embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of a random access resource index in a random access method according to an embodiment of the present disclosure
  • FIG. 5 is a schematic diagram of a random access resource index in a random access method according to another embodiment of the present disclosure.
  • FIG. 6 is a schematic diagram of a random access resource index in a random access method according to another embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram of a random access preamble structure in a random access method according to an embodiment of the present disclosure
  • FIG. 8 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present disclosure.
  • FIG. 11 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present disclosure.
  • FIG. 12 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present disclosure.
  • FIG. 13 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present disclosure.
  • FIG. 14 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present disclosure.
  • FIG. 15 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present disclosure.
  • FIG. 16 is a schematic diagram of a random access structure in a random access method according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of a time slot in a random access method according to another embodiment of the present disclosure.
  • FIG. 18 is a schematic structural diagram of a time slot in a random access method according to another embodiment of the present disclosure.
  • FIG. 19 is a schematic diagram of a downlink signal in a random access method according to an embodiment of the present disclosure.
  • FIG. 20 is a schematic structural diagram of a random access device according to an embodiment of the present disclosure.
  • FIG. 21 is a schematic structural diagram of a random access device according to another embodiment of the present disclosure.
  • FIG. 22 is a schematic structural diagram of a random access device according to another embodiment of the present disclosure.
  • the embodiments of the present application can be applied to a wireless communication system.
  • the wireless communication system mentioned in the embodiments of the present application includes but is not limited to: Narrow Band-Internet of Things (NB-IoT), global mobile Global System for Mobile Communications (GSM), Enhanced Data Rate for GSM Evolution (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA) 2000 System (Code Division Multiple Access, CDMA2000), Time Division-Synchronization Code Division Multiple Access (TD-SCDMA), Long Term Evolution (LTE), and Next Generation 5G Mobile Communication System
  • eMBB Enhanced Mobile Broad Band
  • URLLC Massive Machine-Type Communications
  • mMTC Massive Machine-Type Communications
  • the terminal device includes but is not limited to a mobile station (MS, Mobile Station), a mobile terminal (Mobile Terminal), a mobile telephone (Mobile Telephone), a mobile phone (handset), and a portable device.
  • the terminal can communicate with one or more core networks via a Radio Access Network (RAN).
  • RAN Radio Access Network
  • the terminal can be a mobile phone (or "cellular" phone), a computer with wireless communication function.
  • the terminal can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device or device.
  • FIG. 1 is a schematic structural diagram of a communication system provided by the present application.
  • the communication system 01 includes a network device 101 and a terminal 102.
  • the network device 101 can also be connected to the core network.
  • Network device 101 may also be in communication with an Internet Protocol (IP) network 200, such as the Internet, a private IP network, or other data network.
  • IP Internet Protocol
  • Network devices provide services to terminals within coverage.
  • network device 101 provides wireless access to one or more terminals within range of network device 101.
  • network devices can also communicate with each other.
  • Network device 101 may be a device for communicating with a terminal.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolved Node B, eNB evolved base station
  • the network device may also be a relay station, an access point, an in-vehicle device, or the like.
  • D2D Device to Device
  • the network device may also be a terminal functioning as a base station.
  • the terminal may include various handheld devices having wireless communication functions, in-vehicle devices, wearable devices, computing devices, or other processing devices connected to the wireless modem, and various forms of user equipment (UE), mobile stations (mobile) Station, MS), etc.
  • the present application proposes a new random access method for the above technical problem, and the method may also correspond to a future 5G proposal, for example:
  • the NR PRACH configuration can consider to reduce the candidate sub numbers at each RACH resource time density and provide more Options in time density.
  • the time slot number and OFDM symbol number should be defined for the PRACH resources, NR should strive to simplify the configuration and overhead. For example, by defining a finite number of candidate PRACH resource time patterns in a subframe, the time slot number And OFDM symbol number for each pattern are predefined.
  • FIG. 2 is a schematic flowchart of a random access method according to an embodiment of the present disclosure. As shown in FIG. 2, the method includes:
  • the network device generates third indication information, where the third indication information is used to indicate an index manner of the current random access resource.
  • the indexing manner of multiple random access resources may be pre-configured to determine the index mode currently to be used, and the third indication information is generated.
  • the third indication information carries an identifier of an index manner of the random access resource.
  • the network device sends third indication information to the terminal.
  • the terminal receives third indication information sent by the network device.
  • the terminal determines, according to a random access configuration index sent by the network device, a time slot in which the random access resource is located.
  • the mapping between the random access configuration index and the time slot in which the random access resource is located may be configured in advance. After the terminal obtains the random access configuration index, the terminal may configure the random access configuration index and the time when the random access resource is located. The mapping relationship between the slots determines the time slot in which the random access resources are located.
  • one random access configuration index may correspond to one or more time slots.
  • the terminal determines, according to the foregoing index manner of the current random access resource, a random access resource corresponding to the downlink signal in a time slot in which the random access resource is located.
  • the random access resource corresponding to the downlink signal may be determined in the time slot in which the random access resource is located according to the index mode of the current random access resource indicated by the network device.
  • the terminal sends a random access preamble to the network device according to the random access resource corresponding to the downlink signal.
  • the terminal may determine, according to a random access configuration index that is sent by the network device, a time slot in which the random access resource is located, and then the terminal is in a time slot where the random access resource is located.
  • the network device sends a random access preamble. That is, the network device is not required to indicate the index mode, and the random access preamble is sent after determining the time slot in which the random access resource is located according to the random access configuration index.
  • the terminal may receive the third indication information that is sent by the network device, where the third indication information indicates an index mode of the current random access resource, and the terminal determines, according to the index manner of the current random access resource, the downlink signal.
  • the random access resource is used to send a random access preamble to the network device according to the random access resource corresponding to the downlink signal. That is, the terminal directly determines the random access resource corresponding to the downlink signal according to the index mode indicated by the network device, and is not limited to be determined in the time slot in which the random access resource is located, and may be determined in the random access period or the entire time domain.
  • the network device sends the third indication information to the terminal, where the third indication information indicates the index mode of the current random access resource, and the terminal determines, according to the random access configuration index sent by the network device, the location where the random access resource is located. a time slot, and determining, according to the foregoing random access resource indexing manner, a random access resource corresponding to the downlink signal in the time slot in which the random access resource is located, and further, according to the random access resource corresponding to the downlink signal, The network device sends a random access preamble.
  • the index mode of the current random access resource is indicated by the network device, and the terminal can determine the random access resource corresponding to the downlink signal in the time slot in which the random access resource is located according to the index mode of the current random access resource, thereby avoiding the terminal.
  • the random access preamble is sent, the problem of randomly accessing the resource is blindly attempted, and the network device side can also receive the random access preamble on the random access resource corresponding to the downlink signal, thereby avoiding the problem of beam mismatch and improving the random connection. The efficiency of the process.
  • FIG. 3 is a schematic flowchart of a random access method according to another embodiment of the present disclosure. As shown in FIG. 3, the method includes:
  • the network device generates first indication information, where the first indication information is used to indicate a random access configuration index.
  • the network device sends the first indication information to the terminal.
  • the terminal determines a random access resource according to the random access configuration index.
  • the random access configuration index is used by the terminal to determine a random access resource of the terminal.
  • the terminal may first determine a relatively large range of random access resources, such as all random access resources in a random access period.
  • the terminal determines, according to the association relationship between the random access resource and the downlink signal, a random access resource corresponding to the downlink signal.
  • the terminal receives multiple downlink signals sent by the network device, where the random access resource corresponding to a downlink signal can be determined according to the association between the random access resource and the downlink signal.
  • the terminal sends a random access preamble to the network device according to the random access resource corresponding to the downlink signal.
  • the network device generates first indication information, where the first indication information is used to indicate a random access configuration index, and then the first indication information is sent to the terminal, and the terminal determines the random access resource according to the random access configuration index. And determining, according to the association relationship between the random access resource and the downlink signal, the random access resource corresponding to the downlink signal, and sending a random access preamble to the network device according to the random access resource corresponding to the downlink signal.
  • the random access configuration index indicated by the network device is implemented, the random access resource is determined, and the random access resource corresponding to the downlink signal is determined according to the association between the downlink signal and the random access resource, thereby preventing the terminal from transmitting the random access.
  • the network device side can also receive the random access preamble on the random access resource corresponding to the downlink signal, avoiding the problem of beam mismatch, and improving the efficiency of the random access process.
  • the association between the random access resource and the downlink signal includes an index manner of the random access resource.
  • the random access channel (RACH) resource may include: time and frequency of random access.
  • the time of the random access may be an orthogonal frequency division multiplexing (OFDM) symbol, a minislot, a time slot, a subframe, and a time period in which the time length is H basic time units, indicating that one can be sent.
  • the time required for a predefined random access preamble, the frequency of random access indicates the bandwidth required to transmit a predefined random access preamble, where H is greater than zero.
  • a random access resource is identified by two times of a random access time and a random access frequency, that is, a random access time and frequency defines a random access resource.
  • a random access time and frequency may define multiple random access resources.
  • M1 random access times and M1 random access frequencies define M2 random access resources, where M1 is not equal to M2.
  • the network device indicates the number of random access resources M2 per random access time.
  • a random access resource may also be referred to as a random access opportunity (RACH occasion/RACH transmission occasion/RACH opportunity/RACH chance, RO), or a random connection of one or more sets on a random access time frequency resource. Enter the lead.
  • RACH occasion/RACH transmission occasion/RACH opportunity/RACH chance, RO random access opportunity
  • RO random access time frequency resource
  • the indexing manner of the random access resource may include the following: (1) determining the time t of the random access resource corresponding to the downlink signal at the time when the random access resource is located, and then at time t Determining a frequency position f of the random access resource corresponding to the downlink signal. (2) determining the frequency position f of the random access resource corresponding to the downlink signal in the frequency domain of the time when the random access resource is located, and determining the random access corresponding to the downlink signal at the frequency position f The time t of the resource.
  • the frequency location f of the random access resource is an integer greater than 0; the time t of the random access resource corresponding to the downlink signal is determined in the next N time slots or subframes, and the downlink is determined at time t.
  • the frequency position f of the random access resource corresponding to the signal, and so on, and N is an integer greater than 0.
  • the N is configured by a network device, or a predefined/pre-stored value, or a predefined/pre-stored manner.
  • the next N time slots may be consecutive to the previous N time slots, or may be spaced apart by one or more time slots, which is not limited herein.
  • the index mode of the current random access resource may be one of the foregoing index modes, and is specifically indicated by the network device.
  • the network device sends a plurality of downlink signals to the terminal. After determining the downlink signal, the terminal determines the random access resource corresponding to the downlink signal in the time slot in which the random access resource is located according to the index mode of the current random access resource.
  • the index of the random access resource associated with the downlink signal of index k can be expressed as: (k-1) ) ⁇ F + (0: F-1), where "0: F-1" represents all integers from 0 to F-1. k, F are integers greater than zero.
  • the terminal determines, according to the association relationship between the random access resource and the downlink signal, the random access resource corresponding to the downlink signal, where the terminal may randomly connect according to the index mode of the current random access resource and the same time. Determining the number of the inbound resources, determining the time t of the random access resource corresponding to the downlink signal at the time when the random access resource is located, and determining the random access resource corresponding to the downlink signal at time t Frequency position f.
  • FIG. 4 is a schematic diagram of a random access resource index in a random access method according to an embodiment of the present disclosure.
  • the association between the default downlink signal and the random access resource is a fixed relationship. It is assumed that there are multiple time slots in which the random access resource is located in a random access period, and multiple random access times in one time slot. The time of random access also has multiple random access resources in the frequency domain.
  • the time t of the random access resources on the time slots may be determined first on the frequency of the first random access resource on the time slot in which the random access resources are located. Specifically, the time of the random resource is determined first on the frequency of the first random access resource and the first time slot in which the random access resource is located, and then randomly on the frequency of the first random access resource.
  • the second time slot in which the access resource is located determines the time of the random resource, and so on, all the random access resources on the frequency with the first random access resource are determined, and then the second random access resource The same operation is performed on the frequency until all random access resources in the random access period are determined.
  • the random access resource refers to the time and frequency at which the random access preamble can be transmitted.
  • the random access resource may also be one or more sets consisting of random access preambles at random access time and random access frequency.
  • the time may refer to at least one of a subframe, a time slot, a mini-slot, and an OFDM symbol.
  • the time refers to a time slot, a small time slot, and an OFDM symbol, it may be determined based on the subcarrier of the uplink or downlink data in the subframe/slot/small slot, or may be determined based on the subcarrier of the random access preamble.
  • the corresponding time slot is 1 ms; when the random access preamble subcarrier spacing is 15 ⁇ 2 u kHz, the corresponding time slot is 2 ⁇ u ms, where u is the subcarrier spacing. index of.
  • the downlink signal may refer to at least one of a synchronization signal block (SS block) and a channel state information reference signal (CSI-RS).
  • the SS block may correspond to one or more OFDM symbols.
  • the SS block includes at least one of the following: a primary synchronization signal (PSS), a secondary synchronization signal (SSS), a physical broadcast channel block (PBCH), and a demodulation reference signal (demodulation reference).
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • PBCH physical broadcast channel block
  • demodulation reference demodulation reference
  • Signal, DMRS SS block can also be called SS/PBCH block.
  • the random access period also referred to as the period of the random access resource, may refer to a time interval of a standard defined random access resource; or a time period in which a random access resource appears; or an association to the same The minimum period in which a random access resource of a downlink signal occurs.
  • the terminal determines, according to the association relationship between the random access resource and the downlink signal, the random access resource corresponding to the downlink signal, where the terminal may randomly connect according to the index mode of the current random access resource and the same time. Determining the frequency position f of the random access resource corresponding to the downlink signal in the frequency domain of the time when the random access resource is located, and determining the corresponding downlink signal at the frequency position f The time t at which the resource is randomly accessed.
  • FIG. 5 is a schematic diagram of a random access resource index in a random access method according to another embodiment of the present disclosure.
  • the association between the default downlink signal and the random access resource is a fixed relationship. It is assumed that there are multiple time slots in which the random access resource is located in a random access period, and multiple random access times in one time slot. The time of random access also has multiple random access resources in the frequency domain.
  • the frequency location of the random access resource may be determined first in the first time slot with random access resources, and at the time of the first random access, and then in the second At the time of random access, determining the frequency location of the random resource until the first random access resource with the random access resource is determined, and then performing the second time slot with the random access resource The same steps are performed in sequence until all random access resources in the random access period are determined.
  • the terminal determines, according to the association relationship between the random access resource and the downlink signal, the random access resource corresponding to the downlink signal, where the terminal may randomly connect according to the index mode of the current random access resource and the same time. Determining the number of the inbound resources, determining the time t of the random access resource corresponding to the downlink signal on the N time slots or subframes in the period in which the random access resource is located, and determining the time at time t
  • the frequency position f, N of the random access resource corresponding to the downlink signal is an integer greater than 0.
  • the period refers to the random access period.
  • FIG. 6 is a schematic diagram of a random access resource index in a random access method according to another embodiment of the present disclosure.
  • the association between the default downlink signal and the random access resource is a fixed relationship. It is assumed that there are multiple time slots in which the random access resource is located in a random access period, and multiple random access times in one time slot. The time of random access also has multiple random access resources in the frequency domain.
  • a random access time has F random access resources in the frequency domain, and the F is a preset value or a network device configuration value.
  • the F is based on a random access preamble sequence length, a random access preamble subcarrier spacing, a random access preamble format, a serving cell identifier where a random access resource is located, a carrier frequency information of a random access resource, Carrier frequency range, service type, maximum number of downlink signals, downlink signal information actually transmitted, number of random access resources associated with downlink signals, random access resource period, association between downlink signals and random access resources, random access configuration index And determining at least one of the random access structure indication information.
  • the time t of the random access resource is first determined in N time slots or subframes, and the frequency position f of the random access resource is determined at time t; Then determining the time t of the random access resource in the next N time slots or subframes, and determining the frequency position f of the random access resource at time t until random access on all time slots in the random access period The resource is determined.
  • the random access resources at the same time refer to that the random access resources have the same time t and one or more random access resources (random access opportunities) at the same time, but this is not
  • the limit may also be based on the number of random access resources at different times.
  • the association between the downlink signal and the random access resource in the application may not be fixed, and the random access resource corresponding to the downlink signal may be determined according to the association relationship and the index mode of the current random access resource.
  • the association relationship may be referred to as a mapping rule/mapping method/map or mapping association method/association rule, and indicates a correspondence between the downlink signal and the random access resource, that is, according to the downlink signal.
  • the index value k can obtain a random access resource (or an index of a random access resource) indicating the downlink signal, or can obtain a downlink signal corresponding to the random access resource according to the random access resource.
  • association relationship may also be any one of the following:
  • the random access resource at the same time corresponds to one downlink signal.
  • a random access resource in time is associated with a downlink signal of one/type (for example, multiple downlink signals of Quasi-colocation).
  • the random access resources associated with different downlink signals are located at different times.
  • the random access resources at the same time correspond to multiple downlink signals.
  • a random access resource on time is associated with multiple downlink signals.
  • the random access resources associated with multiple downlink signals may be located at the same time.
  • the random access resources at the same time correspond to all downlink signals.
  • the random access resources associated with all downlink signals can be located at the same time. This association requires sufficient resources in the frequency domain.
  • the association relationship can be flexibly used according to the processing capability and/or hardware capability of the network device.
  • the association relationship of the network device configuration 1 can also reduce the complexity of implementation.
  • the network device configures the association relationship of 2).
  • the network device configures the association relationship of 3).
  • Network device configurations 2) and 3) can also save time overhead.
  • the terminal when the association relationship 1) is configured, the terminal may be configured to adopt the (1) random access resource indexing manner shown in FIG. 4.
  • the terminal when the association relationship 2) is configured, the terminal may be configured to adopt the (2) random access resource indexing manner shown in FIG. 5.
  • the terminal When the association relationship 3) is configured, the terminal may be configured to adopt the (3) random access resource indexing manner shown in FIG. 6.
  • the frequency location where the random access resource is located in the random access time is based on the frequency location of the random access resource, the bandwidth of the frequency band in which the random access is located, and the number of random access resources in a random access time. At least one of the correspondence between the random access frequency resource and the time is determined.
  • the above parameters may be predefined or pre-stored or network device signaling configurations.
  • the terminal receives the association relationship indication information sent by the network device, where the association relationship indicates that the information carries the identifier of the association relationship. For example, two bits may be used to identify an association relationship, "00" identifies an association relationship 1), "01” identifies an association relationship 2), and "10" identifies an association relationship 3), but is not limited thereto.
  • the terminal determines the random access resource corresponding to the downlink signal according to the association relationship indicated by the network device and the index mode of the fixed random access resource.
  • the fixed random access resource is indexed by determining the time t of the random access resource on the time slot in which the random access resource is located, and determining the frequency position f of the random access resource at time t.
  • the index k of the downlink signal and the index i of the random access resource may be pre-configured with a mapping relationship, for example:
  • the index i of the random access resource may be expressed according to the time slot in which the random access resource is located, the time of the random access, and the frequency of the random access.
  • the foregoing mapping relationship may be used, and the downlink signal may be directly associated with the random access resource.
  • Specific time and frequency For example, the random access resource 0 in FIG. 3 may be represented by a time slot in which the resource is located, a random access time 0 in a time slot, and a random access frequency 0; the random access resource F+1 in FIG. 3 may be used by the resource.
  • the time slot in which the slot is located, the random access time in the slot, and the random access frequency 1 are indicated.
  • the above indexing mode may be preset or configured by a network device.
  • the terminal before the terminal sends the random access resource preamble to the network device according to the random access resource corresponding to the downlink signal, the terminal acquires an indexing manner of the preset random access resource; or receives a third indication sent by the network device.
  • the third indication information is used to indicate an index manner of the random access resource.
  • multiple random access preambles may exist in the same random access resource, and the random access preamble may be further divided into multiple preamble sets, and multiple preamble sets on the random access resources may be associated with different downlink signals.
  • the indexing manner of the random access resource may be: first determining an index of the random access preamble set, and then performing further indexing on the time and frequency dimensions as described above.
  • the size of the random access preamble set (or the number of random access preambles in the set) is indicated by the network device configuration; optionally, the size of the random access preamble set is predefined or pre-stored.
  • the order of forming the preamble subset may be: forming a plurality of random access preambles according to cyclic shift of the random access preamble sequence, and then sequentially generating other random access preambles according to the root sequence order until all root sequences are traversed, or The number of root sequences traversed reaches a predefined or pre-stored or network device configuration number, or the total number of random access preambles generated reaches a predefined or pre-stored or network device configuration number, or a total generated random access preamble subset The number of random access preambles reaches the number of predefined or pre-stored or network device configurations.
  • the network device may directly indicate the time of the random access resource or the time structure of the random access resource in the time slot by using the indication information, and then determine the random access resource frequency to determine the random connection. Into the resource.
  • the terminal determines, according to the random access configuration index sent by the network device, the random access resource, which may be: the subcarrier spacing of the random access preamble, the sequence length of the random access preamble, and the maximum downlink signal block.
  • the random access resource which may be: the subcarrier spacing of the random access preamble, the sequence length of the random access preamble, and the maximum downlink signal block.
  • the number, the one or more of the actually transmitted downlink signal blocks, and the random access configuration index determine the time range of the random access resources.
  • the random access configuration index and the random access may be determined according to the subcarrier spacing of the random access preamble, the sequence length of the random access preamble, the maximum number of downlink signal blocks, and one or more of the actually transmitted downlink signal blocks.
  • the mapping relationship between the resource time ranges and then determining the time range of the random access resources according to the random access configuration index indicated by the network device and the mapping relationship between the random access configuration index and the time slot in which the random access resource is located .
  • the time range may be a time period, or a set of multiple time segments, or a set of multiple time slots/subframes, etc., which is not limited in this application.
  • time slot structures or different subframe structures determine that the time at which the random access resources are located is also different.
  • the terminal Before the terminal sends the random access preamble to the network device according to the random access resource corresponding to the downlink signal, the terminal may further perform the time of the random access resource according to the preset time slot or the structure information of the subframe. The time at which the random access resource is located is determined within the range. Or the terminal receives the second indication information sent by the network device, where the second indication information includes: structure information of a random access slot or a subframe. Correspondingly, the terminal determines, according to the structure information of the random access slot or the subframe, the time at which the random access resource is located within the time range of the random access resource.
  • Determining the time at which the random access resource is located in the time range of the random access resource may be determining a specific time position of the random access resource within a time range of the random access resource, for example, where the random access resource is located OFDM symbol, etc.
  • the random access configuration index and the random access resource are located.
  • the mapping relationship between time slots may be different.
  • the terminal may further determine, according to the random access subcarrier interval, the sequence length of the random access preamble, the maximum number of downlink signal blocks, one or more of the actually transmitted downlink blocks, and a random access configuration index. Access preamble format, system frame location and other information.
  • a system frame is also called a frame or a radio frame.
  • the system frame time length is 10 ms, including 10 subframes, and each subframe has a length of 1 ms.
  • a time slot can contain 14 OFDM symbols.
  • the format of the random preamble may be one or more of the following Table 1 formats in the existing standard: A0, A1, A2, A3, B0, B1, B2, B3, B4, C0, C2; or One or more: 0, 1, 2, 3.
  • the formats A0 to C2 and the formats 0 to 3 may also be other names, which are not limited herein.
  • the random access configuration index and the random number may be determined according to the random access subcarrier spacing, the sequence length of the random access preamble, the maximum number of downlink signal blocks, and one or more of the actually transmitted downlink blocks.
  • the mapping relationship between the time slot in which the access resource is located, the format of the random access preamble (that is, the time position of the random access preamble format in one time slot, also referred to as random access time), and the system frame position may be respectively obtained.
  • Table 3 and Table 4 show that the subcarrier spacing is 15 kHz and the maximum number of downlink signal blocks is 4.
  • the random access configuration index and the slot in which the random access resource is located and the random access preamble Format, system frame position] A mapping relationship between this combination.
  • the time slots in which the random access resources are located in Table 3 are consecutive time slots.
  • the time slots in which the random access resources are located in Table 4 are non-contiguous time slots.
  • the downlink signal block needs to occupy 2 milliseconds (ms), and the random access resource cannot be placed at the time of the downlink signal block in the system frame. For example, if the downlink signal block is located in slot 0 and slot 1, then the random access resource is located in one or more of slots 2-9. For another example, the downlink signal block is located in slots 2 and 3, and then the random access resource is located in one or more of slots 0, 1, 4-9. There is no specific limit here.
  • the locations of the system frames are the same, but the slot positions and/or the random access resources have different OFDM symbol positions in the slots; for example, the locations of the slot locations are the same, but the system frames and/or random access resources
  • the OFDM symbol positions in the slots are not the same; for example, the OFDM symbol positions of the random access resources in the slots are the same, but the locations of the system frames and/or slots are the same.
  • the same time density means that the number of random access resources is the same in the same time interval, for example, the time interval is one of 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access resource index density of the random access configuration index 0 and the random access configuration index 1 is the same (that is, one time slot occurs every 8 system frames), and the system frame position is the same, but at the time The gap positions are different. The same is true in the following embodiments, and will not be described again.
  • the mapping relationship between the random access configuration index and the combination of the [slot of the random access resource, the format of the random access preamble, and the system frame position] is different from the "random access subcarrier spacing, the maximum number of downlink signal blocks,
  • One or more of the actual transmitted downlink blocks may be related to the maximum time period of the random access resource and the time slot of the downlink signal.
  • the maximum time period of the random access resource may be any of the following: 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access configuration index and the slot in which the random access resource is located and the random access preamble The format of the format, system frame position] is shown in Table 3 or Table 4.
  • the time slot of the downlink signal is another time slot, the time slot in which the random access resource is located may also be changed, and may not overlap with the time slot of the downlink signal.
  • the time slot in which the random access resource is located is not limited to Table 3 and Table 4.
  • the time slot of the corresponding random access resource is “2, 6”.
  • the time slot in which the random access resource is located may take any one or more time slots 2 to 9, for example, except "2, 6"
  • any two different values (x1, x2) in slots 3 to 9 can be taken.
  • the time slot in which the corresponding random access resource is located is "2, 3, 4, 5", and any four different values of 2 to 9 may actually be taken.
  • the random access configuration index is different, and the corresponding time slots are different.
  • the time slot corresponding to the first random access configuration index is represented as (x1, x2, x3, x4), and the first random access configuration index corresponds to the time interval.
  • the gap is expressed as (y1, y2, y3, y4), where (x1, x2, x3, x4), (y1, y2, y3, y4) are different values of any four of 3 to 9, and (x1 , x2, x3, x4) and (y1, y2, y3, y4) of the two sets of numbers, up to three numbers are the same.
  • the x1 to x4 and y1 to y4 may take any between 0 and 9. The value is the same as the above method, and will not be described here.
  • Table 5 and Table 6 show that the subcarrier spacing is 15 kHz and the maximum number of downlink signal blocks is 8.
  • the random access configuration index and the slot in which the random access resource is located and the random access preamble Format, system frame position] A mapping relationship between this combination.
  • the time slots in which the random access resources are located in Table 5 are consecutive time slots.
  • the time slots in which the random access resources are located in Table 6 are non-contiguous time slots.
  • the downlink signal block needs to occupy 4 milliseconds (ms), and the random access resource cannot be placed at the time of the downlink signal block in the system frame.
  • the downlink signal block is located in slot 0 to slot 3, and then the random access resource is located in one or more of slots 4-9.
  • the locations of the system frames are the same, but the slot positions and/or the random access resources have different OFDM symbol positions in the slots; for example, the locations of the slot locations are the same, but the system frames and/or random access resources
  • the OFDM symbol positions in the slots are not the same; for example, the OFDM symbol positions of the random access resources in the slots are the same, but the locations of the system frames and/or slots are the same.
  • the same time density means that the number of random access resources is the same in the same time interval, for example, the time interval is one of 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access resource index density of the random access configuration index 0 and the random access configuration index 1 is the same (that is, one time slot occurs every 8 system frames), and the system frame position is the same, but at the time The gap positions are different.
  • the mapping relationship between the random access configuration index and the combination of the [slot of the random access resource, the format of the random access preamble, and the system frame position] is different from the "random access subcarrier spacing, the maximum number of downlink signal blocks,
  • One or more of the actual transmitted downlink blocks may be related to the maximum time period of the random access resource and the time slot of the downlink signal.
  • the maximum time period of the random access resource may be any of the following: 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access configuration index and the slot in which the random access resource is located and the random access preamble The format of the format, system frame position] is shown in Table 3 or Table 4.
  • the time slot of the downlink signal is another time slot, the time slot in which the random access resource is located may also be changed, and may not overlap with the time slot of the downlink signal.
  • time slot in which the random access resource is located is not limited to the description in Table 5 and Table 6.
  • Table 5 and Table 6 For the specific replacement, refer to the descriptions in Table 3 and Table 4, and details are not described herein again.
  • the slot index corresponding to the random access configuration indexes 58-63 may be other values.
  • the random access configuration index is 58
  • the system frame position Mod (SFN, 8) 1
  • the configuration index is 59
  • the system frame position Mod (SFN, 8) 1
  • random access configuration indexes 60 and 61, 62 and 63 may have similar operations.
  • the slot positions in Tables 3, 4, 5, and 6 are based on the slot length at which the subcarrier spacing is 15 kHz.
  • the subcarrier spacing of the uplink or downlink data is different from the subcarrier spacing of the random access preamble, and thus the corresponding corresponding slot lengths may be different.
  • the time slots in the tables may be based on the time slot corresponding to the subcarrier spacing of the random access preamble, or may be based on uplink or downlink data.
  • the subcarrier spacing corresponds to the time slot.
  • Table 3 At least one of the slot position index, the number of persistent slots, and the random access preamble in the slot in Table 4, Table 5, and Table 6 may be further adjusted to enable random access between the network device and the terminal side. The time of the resource and the time alignment of the upstream/downstream data.
  • any one of the slot indices in Table 3, Table 4, Table 5, and Table 6 may correspond to two consecutive 30 kHz slots, corresponding slot indexes and/or persistent slots.
  • the number is scaled, that is, if the 15 kHz slot index of the random access preamble is k, the slot index adjusted to 30 kHz is slots 2k and 2k+1. That is, the absolute time of the random access resource is kept unchanged. At this time, the random access preamble in the slot can be further adjusted.
  • the structure of the random access preamble in a 15 kHz slot length may be two consecutive 30 kHz slot lengths based on k and k+1;
  • the new two 30 kHz slots k and k+1 each correspond to a half 15 Hz slot (ie, seven 15 kHz OFDM symbols, at this time, equivalent to Table 16, Table 17, Table 18, Table 19, Table 20.
  • Table 21 after the configuration of the downlink signal number is less than seven 15 kHz OFDM symbols, any structure with a sufficient number of random access resources may be used.
  • the random access configuration index and the slot in which the random access resource is located, the format of the random access preamble, and the system frame position are shown. ] A mapping between this combination.
  • the time slots in which the random access resources are located in Table 7 are consecutive time slots.
  • the time slots in which the random access resources are located in Table 8 are non-contiguous time slots.
  • the downlink signal block needs to occupy 4 milliseconds (ms), and the random access resource cannot be placed at the time of the downlink signal block in the system frame.
  • the subcarrier spacing is 30 kHz
  • the time length in which the random access resource is not placed is 2 ms.
  • the downlink signal block is located in slot 0 to 1
  • the random access resource is located in one or more of slots 5-19.
  • the downlink signal block is located in slots 2 to 3
  • the random access resource is located in one or more of slots 0, 1, 6-19.
  • the locations of the system frames are the same, but the slot positions and/or the random access resources have different OFDM symbol positions in the slots; for example, the locations of the slot locations are the same, but the system frames and/or random access resources
  • the OFDM symbol positions in the slots are not the same; for example, the OFDM symbol positions of the random access resources in the slots are the same, but the locations of the system frames and/or slots are the same.
  • the same time density means that the number of random access resources is the same in the same time interval, for example, the time interval is one of 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access resource index density of the random access configuration index 0 and the random access configuration index 1 is the same (that is, one time slot occurs every 8 system frames), and the system frame position is the same, but at the time The gap positions are different.
  • the mapping relationship between the random access configuration index and the combination of the [slot of the random access resource, the format of the random access preamble, and the system frame position] is different from the "random access subcarrier spacing, the maximum number of downlink signal blocks,
  • One or more of the actual transmitted downlink blocks may be related to the maximum time period of the random access resource and the time slot of the downlink signal.
  • the maximum time period of the random access resource may be any of the following: 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access configuration index and the time slot in which the random access resource is located and the random access preamble The format of the format, system frame position] is shown in Table 5 or Table 6.
  • the time slot of the downlink signal is another time slot, the time slot in which the random access resource is located may also be changed, and the time slot of the downlink signal may not coincide.
  • the time slot in which the random access resource is located is not limited to the descriptions of Tables 7 and 8.
  • the specific replacement refer to the descriptions of Table 3 and Table 4, and details are not described herein again.
  • the slot index corresponding to the random access configuration indexes 58-63 may be other values.
  • the random access configuration index is 58
  • the system frame position Mod (SFN, 8) 1
  • the configuration index is 59
  • the system frame position Mod (SFN, 8) 1
  • 60 and 61, 62 and 63 can have similar operations.
  • the slot positions in Tables 7, 8, 8, and 10 of the Table are based on the slot length at which the subcarrier spacing is 30 kHz.
  • the subcarrier spacing of the uplink or downlink data is different from the subcarrier spacing of the random access preamble, and thus the corresponding corresponding slot lengths may be different.
  • the time slot in the random access resource configuration table may be based on the time slot corresponding to the subcarrier spacing of the random access preamble, or may be based on The time slot corresponding to the subcarrier spacing of the uplink or downlink data.
  • Table 7 At least one of the slot position index, the number of consecutive slots, and the random access preamble in the slot can be further adjusted in Table 8, Table 9, and Table 10, so that the network device and the terminal side are randomly connected. The time of the incoming resource and the time alignment of the upstream/downstream data.
  • any one of the slot indices in Table 7, Table 8, Table 9, and Table 10 may correspond to two consecutive 60 kHz slots, corresponding slot indices and/or persistent slots.
  • the number is scaled, that is, if the 30 kHz slot index of the random access preamble is k, the slot index adjusted to 60 kHz is slots 2k and 2k+1. That is, the absolute time of the random access resource is kept unchanged. At this time, the random access preamble in the time slot can be further adjusted.
  • the structure of the random access preamble in a 30 kHz slot length may be two consecutive 60 kHz slot lengths based on k and k+1;
  • the new two 60 kHz slots k and k+1 each correspond to a half 30 Hz slot (ie, seven 30 kHz OFDM symbols, at this time, equivalent to Table 16, Table 17, Table 18, Table 19, Table 20.
  • Table 21 after the configuration of the downlink signal number is less than seven 30 kHz OFDM symbols, any structure with a sufficient number of random access resources may be used.
  • any one of the slot indices in Table 7, Table 8, Table 9, and Table 10 may correspond to a half of a 15 kHz slot, the corresponding slot index and/or the number of consecutive slots.
  • Scaling that is, if the 30 kHz slot index of the random access preamble is k, it is adjusted to a half 15 kHz slot; or if the random access preamble has two consecutive 30 kHz slot indices k and k+1, then the adjustment is made. It is a 15 kHz time slot. That is, the absolute time of the random access resource is kept unchanged. At this time, the random access preamble in the slot can be further adjusted.
  • the structure of the random access preamble in a 15 kHz slot length may be two consecutive 30 kHz slot lengths based on k and k+1; A half 15 kHz slot slot corresponds to a 30 Hz slot.
  • Embodiment 4 For example, when the subcarrier spacing is 30 kHz and the maximum number of downlink signal blocks is 8, the random access configuration index and the format of the time slot in which the random access resource is located and the random access preamble are shown in Table 9 and Table 10. , system frame position] a mapping relationship between this combination.
  • the time slots in which the random access resources are located in Table 9 are consecutive time slots.
  • the time slots in which the random access resources are located in Table 10 are non-contiguous time slots.
  • the downlink signal block needs to occupy 2 milliseconds (ms), and the random access resource cannot be placed at the time of the downlink signal block in the system frame.
  • the subcarrier spacing is 30 kHz
  • the time length in which the random access resource is not placed is 2 ms.
  • the downlink signal block is located in slot 0 to slot 3
  • the random access resource is located in one or more of slots 8-19.
  • the downlink signal block is located in time slot 4-7, and the random access resource is located in one or more of time slots 0, 1, 2, 3, and 12-19.
  • the locations of the system frames are the same, but the slot positions and/or the random access resources have different OFDM symbol positions in the slots; for example, the locations of the slot locations are the same, but the system frames and/or random access resources
  • the OFDM symbol positions in the slots are not the same; for example, the OFDM symbol positions of the random access resources in the slots are the same, but the locations of the system frames and/or slots are the same.
  • the same time density means that the number of random access resources is the same in the same time interval, for example, the time interval is one of 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access resource index density of the random access configuration index 0 and the random access configuration index 1 is the same (that is, one time slot occurs every 8 system frames), and the system frame position is the same, but at the time The gap positions are different.
  • the mapping relationship between the random access configuration index and the combination of the [slot of the random access resource, the format of the random access preamble, and the system frame position] is different from the "random access subcarrier spacing, the maximum number of downlink signal blocks,
  • One or more of the actual transmitted downlink blocks may be related to the maximum time period of the random access resource and the time slot of the downlink signal.
  • the maximum time period of the random access resource may be any of the following: 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access configuration index and the slot in which the random access resource is located and the random access preamble The format of the format, system frame position] is shown in Table 9 or Table 10.
  • the time slot of the downlink signal is another time slot, the time slot in which the random access resource is located may also be changed, and may not overlap with the time slot of the downlink signal.
  • the time slot in which the random access resource is located is not limited to the descriptions of Tables 9 and 10.
  • the specific replacement refer to the descriptions of Table 3 and Table 4, and details are not described herein again.
  • the slot index corresponding to the random access configuration indexes 58-63 may be other values.
  • the slot positions in Tables 11 and 12 are based on the slot length at which the subcarrier spacing is 60 kHz.
  • the subcarrier spacing of the uplink or downlink data is different from the subcarrier spacing of the random access preamble, and thus the corresponding corresponding slot lengths may be different.
  • the time slot in the random access resource configuration table may be based on the time slot corresponding to the subcarrier spacing of the random access preamble, or may be based on The time slot corresponding to the subcarrier spacing of the uplink or downlink data.
  • the time slot in the random access resource configuration table is based on the time slot corresponding to the uplink or downlink data, and the subcarrier spacing of the uplink or downlink data is different from the subcarrier spacing of the random access preamble, Table 11
  • at least one of the slot position index, the number of consecutive slots, and the random access preamble in the slot in Table 12 may be further adjusted such that the time and uplink of the random access resources of the network device and the terminal side are/ Time alignment of downstream data.
  • any one of the slot indices in Table 11 and Table 12 may correspond to two consecutive 120 kHz slots, and the corresponding slot index and/or the number of consecutive slots are scaled, that is, if The 60 kHz slot index of the random access preamble is k, and the slot index adjusted to 60 kHz is slots 2k and 2k+1. That is, the absolute time of the random access resource is kept unchanged. At this time, the random access preamble in the slot can be further adjusted.
  • the structure of the random access preamble in a 60 kHz slot length may be k and k+1 consecutive two 120 kHz slot lengths;
  • the two 120 kHz slots k and k+1 each correspond to a half 60 Hz slot (ie, seven 60 kHz OFDM symbols, at this time, equivalent to Table 16, Table 17, Table 18, Table 19, Table 20 In Table 21, after the configuration of the downlink signal number is less than seven 60 kHz OFDM symbols, any structure with a sufficient number of random access resources may be used.
  • any one of the slot indices in Table 11 and Table 12 may be corresponding to a half 30 kHz slot, and the corresponding slot index and/or the number of consecutive slots are scaled, that is, if random
  • the 60 kHz time slot index of the access preamble is adjusted to be a half 30 kHz time slot; or if the random access preamble has two consecutive 60 kHz time slot indices 2k and 2k+1, it is adjusted to a 30 kHz time slot. . That is, the absolute time of the random access resource is kept unchanged. At this time, the random access preamble in the slot can be further adjusted.
  • the structure of the random access preamble in a 30 kHz slot length may be two consecutive 60 kHz slot lengths based on the slots k and k+1; For example, a half 30 kHz slot slot corresponds to a 60 Hz slot.
  • any one of the slot indices in Table 11 and Table 12 may correspond to 1/4 of the 15 kHz slots (for example, 2 to 4 15 kHz OFDM symbols), and the corresponding slot index. And/or the number of consecutive time slots is scaled, that is, if the random access preamble is indexed as k kHz slot, it is adjusted to 1/4 15 kHz time slot; or if the random access preamble has two consecutive 60 kHz time slots The index k and k+1 are adjusted to a 15 kHz time slot; or if the random access preamble has four consecutive 60 kHz time slot indices k to k+3, it is adjusted to a 15 kHz time slot.
  • the random access preamble in the time slot can be further adjusted.
  • the structure of the random access preamble in a 15 kHz slot length may be k to k + 3 consecutive 4 60 kHz slot lengths;
  • the structure of the random access preamble in the length of the 15 kHz slot may be two slots of length 60 k kHz for k ⁇ k +1; for example, 1/4 of the slot slots of 15 kHz correspond to a slot of 60 Hz.
  • Embodiment 5 For example, when the subcarrier spacing is 60 kHz and the maximum number of downlink signal blocks is 64, the random access configuration index and the format of the time slot in which the random access resource is located and the random access preamble are shown in Table 11 and Table 12. , system frame position] a mapping relationship between this combination.
  • the random access resources in Table 11 are placed in one or more of the time slots 20-29.
  • Random access resources can be placed in all locations in the system frame in Table 12.
  • the corresponding downlink signal block needs to occupy 5 ms.
  • the uplink and the downlink adopt a time division manner in the same frequency band, and the random access resource cannot be placed at a time when the downlink signal block in the system frame is located.
  • the random access resource is located in one or more of the time slots 20 to 39; for example, when the downlink signal block is located in the time slot 20 to 39, it is random.
  • the access resources are located in one or more of the time slots 0-19.
  • the locations of the system frames are the same, but the slot positions and/or the random access resources have different OFDM symbol positions in the slots; for example, the locations of the slot locations are the same, but the system frames and/or random access resources
  • the OFDM symbol positions in the slots are not the same; for example, the OFDM symbol positions of the random access resources in the slots are the same, but the locations of the system frames and/or slots are the same.
  • the same time density means that the number of random access resources is the same in the same time interval, for example, the time interval is one of 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access resource index density of the random access configuration index 0 and the random access configuration index 1 is the same (that is, one time slot occurs every 8 system frames), and the system frame position is the same, but at the time The gap positions are different.
  • the uplink and downlink take different frequency bands. Since the uplink and downlink are located in different frequency bands, random access resources can be placed at all time positions in the system frame.
  • the mapping relationship between the random access configuration index and the combination of the time slot in which the random access resource is located, the format of the random access preamble, and the system frame position is in addition to the random access subcarrier interval and the maximum downlink.
  • the number of signal blocks, one or more of the downlink blocks actually transmitted, may also be related to the maximum time period of the random access resource and the time slot of the downlink signal.
  • the maximum time period of the random access resource may be any of the following: 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access configuration index and [random access] The mapping relationship between the time slot in which the resource is located, the format of the random access preamble, and the system frame position] is shown in Table 11; if the uplink and downlink take different frequency bands, the random access configuration index and [random access resources) The mapping relationship between the combinations of the time slot, the format of the random access preamble, and the system frame position is shown in Table 12.
  • the time slots and system frames in the above table are examples and are not limited to the table.
  • the time slot in which the random access resource is located is not limited to Table 11 and Table 12.
  • Table 11 when the random access configuration index is "6", the time slot in which the corresponding random access resource is located is "20 to 27 (representing all integers between 20 and 27)", but in the downlink and uplink.
  • the time slot in which the random access resource is located may take any one or more time slots of 20 to 39, for example, 20 may be taken. Any two different values (x1, x2) in the ⁇ 39 time slot. Reference can be made to the description of the foregoing table, and details are not described herein again.
  • the downlink and the uplink adopt the time division mode in the same frequency band
  • the downlink signal block is mapped to other time slot numbers, similar to the foregoing embodiment, when the time slot of the downlink signal is another time slot, the random access resource is located.
  • the time slot may also be changed, and may not overlap with the time slot of the downlink signal; or, the system frame may be mapped together with the time slot before the downlink signal block in the next system frame, and the corresponding time slot number is correspondingly Offset.
  • the random access configuration index is combined with the slot in which the random access resource is located, the format of the random access preamble, and the system frame position. A mapping relationship between.
  • the random access resources in Table 13 are placed in one or more of the time slots 40-79.
  • the corresponding downlink signal block needs to occupy 5 ms.
  • the uplink and the downlink adopt a time division manner in the same frequency band, and the random access resource cannot be placed at a time when the downlink signal block in the system frame is located.
  • the random access resource is located in one or more of the time slots 40-79; for example, when the downlink signal block is located in the time slot 40-79, it is random.
  • the access resources are located in one or more of the time slots 0-39.
  • the locations of the system frames are the same, but the slot positions and/or the random access resources have different OFDM symbol positions in the slots; for example, the locations of the slot locations are the same, but the system frames and/or random access resources
  • the OFDM symbol positions in the slots are not the same; for example, the OFDM symbol positions of the random access resources in the slots are the same, but the locations of the system frames and/or slots are the same.
  • the same time density means that the number of random access resources is the same in the same time interval, for example, the time interval is one of 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access resource time density of the random access configuration index 0 and the random access configuration index 1 in Table 13 is the same (that is, one time slot occurs in every 8 system frames), the system frame position is the same, but the time slot position is not the same.
  • the uplink and downlink take different frequency bands. Since the uplink and downlink are located in different frequency bands, random access resources can be placed at all time positions in the system frame.
  • the mapping relationship between the random access configuration index and the combination of the time slot in which the random access resource is located, the format of the random access preamble, and the system frame position is in addition to the random access subcarrier interval and the maximum downlink.
  • the number of signal blocks, one or more of the downlink blocks actually transmitted, may also be related to the maximum time period of the random access resource and the time slot of the downlink signal.
  • the maximum time period of the random access resource may be any of the following: 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access configuration index and [random access] The mapping relationship between the combinations of the time slot in which the resource is located, the format of the random access preamble, and the system frame position is shown in Table 13.
  • the time slots and system frames in the above table are examples and are not limited to the table.
  • the slot number locations in Table 13 may be other values.
  • the same preamble format in the table and the two configuration values in the system frame position if the slot number positions are 40 to 47 and 56 to 63, respectively (a to b represent all integers from a to b, for example, 20 to 27 denotes 20, 21, 22, 23, 24, 25, 26, 27), and may be other values, for example, any of 16 different values x1 to x8 and y1 to y8 of 40 to 79; if the slot number position is 40 to 55, which may be other values, for example, any of 16 different values x1 to x16 in 40 to 79; if the slot number position is 40:71, other values may be used, for example, any 32 of 40 to 79 are different.
  • the value is x1 to x32.
  • the downlink and uplink use the time division mode in the same frequency band
  • a similar method can be adopted to similarly operate other time slot numbers in the system frame.
  • the system frame is mapped together with the time slot before the downlink synchronization signal block in the next system frame, and the corresponding time slot number is offset accordingly.
  • the downlink synchronization signal block is located in the time slot 40-79, and the random access resource is placed in the time slot 0-39. The manner of adjustment is similar to that in the previous embodiment, and will not be described again here.
  • the uplink and downlink adopt different frequency bands, and the above x1 to x32 and y1 to y16 may take any different integers between 0 and 79.
  • mapping relationship between the random access configuration index and the time slot in which the random access resource is located may be determined according to the sequence length of the random access preamble.
  • mapping relationship between the random access configuration index and the combination of the time slot in which the random access resource is located, the format of the random access preamble, and the system frame position are determined according to the sequence length of the random access preamble.
  • J2,...,Mod(SFN,8) slot index iK ⁇ jK in xK, that is, 8 time slots are distributed in K system frames, each system frame has several time slots; configuration index is 1
  • x1 to xK and y1 to yK are different from each other.
  • K represents the number of system frames in which random access resources are distributed within one system frame period. For example, in Table 13, it is 1 when the configuration index is 0 and 1, and 2 when the configuration index is 58 to 63.
  • the slot index corresponding to the random access configuration indexes 58-63 may be other values.
  • the slot positions in Tables 11 and 12 are based on the slot length at which the subcarrier spacing is 60 kHz.
  • the subcarrier spacing of the uplink or downlink data is different from the subcarrier spacing of the random access preamble, and thus the corresponding corresponding slot lengths may be different.
  • the time slot in the random access resource configuration table may be based on the time slot corresponding to the subcarrier spacing of the random access preamble, or may be based on The time slot corresponding to the subcarrier spacing of the uplink or downlink data.
  • the time slot in the random access resource configuration table is based on the time slot corresponding to the uplink or downlink data, and the subcarrier spacing of the uplink or downlink data is different from the subcarrier spacing of the random access preamble, Table 11
  • at least one of the slot position index, the number of consecutive slots, and the random access preamble in the slot in Table 12 may be further adjusted such that the time and uplink of the random access resources of the network device and the terminal side are/ Time alignment of downstream data.
  • any one of the slot indices in Table 11 and Table 12 may correspond to two consecutive 120 kHz slots, and the corresponding slot index and/or the number of consecutive slots are scaled, that is, if The 60 kHz slot index of the random access preamble is k, and the slot index adjusted to 60 kHz is slots 2k and 2k+1. That is, the absolute time of the random access resource is kept unchanged. At this time, the random access preamble in the slot can be further adjusted.
  • the structure of the random access preamble in a 60 kHz slot length may be k and k+1 consecutive two 120 kHz slot lengths;
  • the two 120 kHz slots k and k+1 each correspond to a half 60 Hz slot (ie, seven 60 kHz OFDM symbols, at this time, equivalent to Table 16, Table 17, Table 18, Table 19, Table 20 In Table 21, after the configuration of the downlink signal number is less than seven 60 kHz OFDM symbols, any structure with a sufficient number of random access resources may be used.
  • any one of the slot indices in Table 11 and Table 12 may be corresponding to a half 30 kHz slot, and the corresponding slot index and/or the number of consecutive slots are scaled, that is, if random
  • the 60 kHz time slot index of the access preamble is adjusted to be a half 30 kHz time slot; or if the random access preamble has two consecutive 60 kHz time slot indices 2k and 2k+1, it is adjusted to a 30 kHz time slot. . That is, the absolute time of the random access resource is kept unchanged. At this time, the random access preamble in the slot can be further adjusted.
  • the structure of the random access preamble in a 30 kHz slot length may be two consecutive 60 kHz slot lengths based on the slots k and k+1; For example, a half 30 kHz slot slot corresponds to a 60 Hz slot.
  • any one of the slot indices in Table 11 and Table 12 may correspond to 1/4 of the 15 kHz slots (for example, 2 to 4 15 kHz OFDM symbols), and the corresponding slot index. And/or the number of consecutive time slots is scaled, that is, if the random access preamble is indexed as k kHz slot, it is adjusted to 1/4 15 kHz time slot; or if the random access preamble has two consecutive 60 kHz time slots The index k and k+1 are adjusted to a 15 kHz time slot; or if the random access preamble has four consecutive 60 kHz time slot indices k to k+3, it is adjusted to a 15 kHz time slot.
  • the random access preamble in the time slot can be further adjusted.
  • the structure of the random access preamble in a 15 kHz slot length may be k to k + 3 consecutive 4 60 kHz slot lengths;
  • the structure of the random access preamble in the length of the 15 kHz slot may be two slots of length 60 k kHz for k ⁇ k +1; for example, 1/4 of the slot slots of 15 kHz correspond to a slot of 60 Hz.
  • the random access configuration index is combined with the combination of the time slot in which the random access resource is located, the format of the random access preamble, and the system frame position. Mapping relationship.
  • the uplink and the downlink are respectively performed on different frequency bands, and the time of the downlink signal sent by other network devices needs to be staggered to avoid interference, so that the random access resource cannot be placed at the time of the downlink signal block in the system frame. For example, when the downlink signal block is located in slots 0 and 5, then the random access resource is located in one or more of slots 1 to 4 and 6 to 9.
  • the locations of the system frames are the same, but the slot positions and/or the random access resources have different OFDM symbol positions in the slots; for example, the locations of the slot locations are the same, but the system frames and/or random access resources
  • the OFDM symbol positions in the slots are not the same; for example, the OFDM symbol positions of the random access resources in the slots are the same, but the locations of the system frames and/or slots are the same.
  • the same time density means that the number of random access resources is the same in the same time interval, for example, the time interval is one of 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access resource index density of the random access configuration index 0 and the random access configuration index 1 in Table 14 is the same (that is, one time slot occurs in every 8 system frames), the system frame position is the same, but the time slot position is not the same.
  • the uplink and the downlink adopt a time division manner in the same frequency band, and the random access resource cannot be placed at a time when the downlink signal block in the system frame is located.
  • the mapping relationship between the random access configuration index and the combination of the time slot in which the random access resource is located, the format of the random access preamble, and the system frame position may also be the maximum time period of the random access resource,
  • the time slot of the downlink signal is correlated.
  • the maximum time period of the random access resource may be any of the following: 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the maximum time period of the random access resource is 160 ms and the time slot of the downlink signal is 0 and 5 time slots
  • the random access configuration index and the [slot of the random access resource, the format and system of the random access preamble Frame position The mapping relationship between this combination is shown in Table 14.
  • the time slots and system frames in the above table are examples and are not limited to the table.
  • time slot in which the random access resource is located is not limited to the foregoing.
  • details refer to the foregoing embodiment, and details are not described herein again.
  • the downlink and the uplink adopt the time division mode in the same frequency band
  • the downlink signal block is mapped to other time slot numbers, similar to the foregoing embodiment, when the time slot of the downlink signal is another time slot, the random access resource is located.
  • the time slot may also be changed, and may not overlap with the time slot of the downlink signal; or, the system frame may be mapped together with the time slot before the downlink signal block in the next system frame, and the corresponding time slot number is correspondingly Offset.
  • the random access configuration index is combined with the combination of the time slot in which the random access resource is located, the format of the random access preamble, and the system frame position. a mapping relationship.
  • mapping relationship shown in Table 15 applies to different subcarrier spacings and different maximum downlink signal blocks.
  • the uplink and downlink take different frequency bands. Since the uplink and downlink are located in different frequency bands, random access resources can be placed at all time positions in the system frame.
  • the locations of the system frames are the same, but the slot positions and/or the random access resources have different OFDM symbol positions in the slots; for example, the locations of the slot locations are the same, but the system frames and/or random access resources
  • the OFDM symbol positions in the slots are not the same; for example, the OFDM symbol positions of the random access resources in the slots are the same, but the locations of the system frames and/or slots are the same.
  • the same time density means that the number of random access resources is the same in the same time interval, for example, the time interval is one of 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access resource index density of the random access configuration index 0 and the random access configuration index 1 is the same (that is, one time slot occurs in every 8 system frames), the system frame position is the same, but the time slot position is not the same.
  • the uplink and the downlink adopt a time division manner in the same frequency band, and the corresponding downlink signal block needs to occupy 5 ms, and the random access resource cannot be placed in the time when the downlink signal block is located in the system frame.
  • the random access resource is located in one or more of the time slots 5 to 9; for example, when the downlink signal block is located in the time slot 5 to 9, it is random.
  • the access resources are located in one or more of slots 0-4.
  • the mapping relationship between the random access configuration index and the combination of the time slot in which the random access resource is located, the format of the random access preamble, and the system frame position may also be the maximum time period of the random access resource,
  • the time slot of the downlink signal is correlated.
  • the maximum time period of the random access resource may be any of the following: 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the time slots and system frames in the above table are examples and are not limited to the table.
  • time slot in which the random access resource is located is not limited to the foregoing.
  • details refer to the foregoing embodiment, and details are not described herein again.
  • the downlink and the uplink adopt the time division mode in the same frequency band
  • the downlink signal block is mapped to other time slot numbers, similar to the foregoing embodiment, when the time slot of the downlink signal is another time slot, the random access resource is located.
  • the time slot may also be changed, and may not overlap with the time slot of the downlink signal; or, the system frame may be mapped together with the time slot before the downlink signal block in the next system frame, and the corresponding time slot number is correspondingly Offset.
  • Mod(x, y) in the above formula represents a modulo operation, and can also be written as x%y, and can also be written as x Mod y.
  • the time slot in which the random access resource is located indicates the slot number of a system frame, and the system frame position in the table may also be regarded as a period of random access resources.
  • the time slots corresponding to each random access configuration index may be associated with a plurality of slot structures of random access preambles.
  • FIG. 7 is a schematic diagram of a random access preamble structure in a random access method according to an embodiment of the present disclosure
  • FIG. 8 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present application
  • FIG. 10 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present application
  • FIG. 11 is another embodiment of the present application.
  • FIG. 12 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present disclosure
  • FIG. 13 is a schematic diagram of a random access preamble according to another embodiment of the present application;
  • FIG. 13 is a schematic diagram of a random access preamble according to another embodiment of the present application;
  • FIG. 14 is a schematic diagram of a random access preamble structure in a random access method according to another embodiment of the present disclosure
  • FIG. 15 is a random access method in a random access method according to another embodiment of the present disclosure
  • FIG. 7 to FIG. 15 show the slot structure of nine random access preambles.
  • the time density of multiple random access resources corresponding to multiple random access structures for example, random access in different time slots or OFDM symbol positions, as shown in FIG. 7 to FIG. 9 and FIG. 12 to FIG. Resources, but the number of resources in one subframe is the same. For example, as shown in FIG. 9 to FIG. 11, there are 2, 4, and 6 random access resources in each slot (the preamble format is A1 or B1).
  • the number of random access resources in the multiple time slots is different.
  • the 30 kHz, 60 kHz, and 120 kHz subcarrier intervals in FIG. 15 the number of resources of the odd time slots in the subframe is different from the number of resources in the even time slots.
  • the above ⁇ FIG. 7 to FIG. 11 ⁇ and ⁇ FIG. 12 to FIG. 15 ⁇ are respectively directed to the random access preamble formats A1 and B1, A2 and B2, and are not limited to these random access preamble formats in practice, and may be any other one or more. Random access preamble format.
  • each of ⁇ FIG. 7 to FIG. 11 ⁇ and ⁇ FIG. 12 to FIG. 15 ⁇ respectively shows a random access structure in which four different subcarriers are spaced apart by 15 kHz, 30 kHz, 60 kHz, and 120 kHz subcarrier spacing.
  • a specific random access structure is determined according to network device configuration or pre-set subcarrier spacing and/or random access structure indication information. That is, under different subcarrier spacings, different random access structures may be any one of the structures under the corresponding subcarrier spacing in the figure, and are not limited to the combined corresponding manner in the figure. For example, when the random access structure indication information is 0, it corresponds to the structure in FIG. 7.
  • the random access structure indication information When the random access structure indication information is 1, it corresponds to the structure in FIG. 7 to FIG. 9; at 30 kHz, the random access structure indication information is 0. Corresponding to the structure in FIG. 7, when the random access structure indication information is 1, it corresponds to the structure in FIG.
  • the network device indicates the current random access configuration index and the structure information of the random access preamble by using the signaling, and the terminal device is configured according to the length of the random access preamble sequence, the random access preamble subcarrier spacing, the random access preamble format, and the random access resource.
  • the serving cell identifier, the carrier frequency information of the random access resource, the carrier frequency range, the service type, the maximum number of downlink signals, the downlink signal information actually transmitted, the number of random access resource frequencies at the same time, the random access resource period, Acquiring at least one of a downlink access signal and a random access resource association, a number of random access resources associated with the downlink signal, a random access configuration index, and a random access structure indication information, acquiring a subframe and a time slot where the random access resource is located And the starting position, duration, or ending position of the OFDM symbol, and the number of random access resources.
  • the signaling may be radio resource control (RRC) signaling, system information (SI), medium access control-control element (MAC CE) signaling, and downlink control information. (downlink control information, DCI), or physical downlink control channel (PDCCH downlink).
  • RRC radio resource control
  • SI system information
  • MAC CE medium access control-control element
  • the random access preamble subcarrier spacing is determined according to the frequency of the random access resource and the network device indicating the random access preamble subcarrier spacing information.
  • the random access resource is located in the frequency band below 6 GHz and the network device indicates that the random access preamble subcarrier spacing information is the first preset value (for example, 0), corresponding to 15 kHz; when the random access resource is located in the frequency band below 6 GHz and the network device indicates random
  • the access preamble subcarrier spacing information is a second preset value (for example, 1), corresponding to 30 kHz; when the random access resource is located in a frequency band above 6 GHz and the network device indicates that the random access preamble subcarrier spacing information is the first preset value ( For example, when 0), corresponding to 60 kHz; when the random access resource is located in the frequency band above 6 GHz and the network device indicates that the random access preamble subcarrier spacing information is the second preset value (for example, 1), it corresponds to 120 kHz
  • the locations of the system frames are the same, but the slot positions and/or the random access resources have different OFDM symbol positions in the slots; for example, the locations of the slot locations are the same, but the system frames and/or random access resources
  • the OFDM symbol positions in the slots are not the same; for example, the OFDM symbol positions of the random access resources in the slots are the same, but the locations of the system frames and/or slots are the same.
  • the same time density means that the number of random access resources is the same in the same time interval, for example, the time interval is one of 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms.
  • the random access structure refers to a structure in which one or more random access preambles or resources are in one or more time slots/subframes; and may also refer to one or more random access preambles or resources in one Or a structure in a plurality of OFDM, for example, Tables 22 to 24.
  • the random access resources in the random access structure may also have other manners; for example, the random access structure is based on one time slot, and multiple time slots form a new random access structure (for example, The random access resource may be discontinuous in time; the random access structure is based on one time slot, and the time slots in one or more subframes form a new random access structure (for example, the random access resource may be in time) Discontinuous); the random access structure is based on multiple OFDM symbols, and one or more time slots form a new random access structure (eg, random access resources are not temporally discontinuous).
  • the random access structure is based on one time slot, and multiple time slots form a new random access structure (for example, The random access resource may be discontinuous in time; the random access structure is based on one time slot, and the time slots in one or more subframes form a new random access structure (for example, the random access resource may be in time) Discontinuous); the random access structure is based on multiple OFDM symbols, and one or more time slots form a
  • FIG. 16 is a schematic diagram of a random access structure in a random access method according to an embodiment of the present disclosure.
  • the time range in which the random resources are located in FIG. 16 is represented as T time slots, and T is an integer greater than zero.
  • K1 represents the number of OFDM symbols occupied by the downlink data
  • K2 represents the number of OFDM symbols (or the length of time) occupied by the first uplink data before the random access preamble format
  • K3 represents the number of OFDM symbols occupied by the second uplink data after the random access preamble format S indicates the number of OFDM symbols occupied by the uplink or downlink switching time.
  • the uplink or downlink switching time refers to the time when the uplink transmission is switched to the downlink transmission or the time when the downlink transmission is switched to the uplink transmission.
  • the OFDM symbol in Figure 16 is referenced to the subcarrier spacing of the uplink or downlink data of the segment.
  • K1, K2, and K3 may be 0 to 12 OFDM symbols.
  • K1, K2, K3 is a fixed value; for example K1 is fixed at 0; for example K2 is fixed at 0; for example K3 is fixed at zero.
  • specific values of K1, K2, K3, P, S, and T, a random access preamble format, a random access preamble sequence length, a subcarrier spacing of a random access preamble sequence, and a random access configuration The index, the number of downlink signals, the carrier frequency range in which the time-frequency resource is located, the type of service supported by the frequency band, and at least one of waveform parameters (eg, subcarriers, frame structures) of the frequency band reference time are related.
  • T and P are related to a random access preamble format and a random access preamble subcarrier spacing (or a corresponding subcarrier spacing index).
  • the random access subcarrier spacing index is u
  • the corresponding subcarrier spacing is 15 ⁇ 2 u kHz.
  • the first sub-column indicates the switching time (denoted as S, the time unit is ⁇ 2 u ).
  • each switch time i may be the same and is i*2192 times (in ⁇ 2 u ). If the switch time spans 0 or 0.5 ms, then 16 times (in ⁇ 2 u ) are added.
  • the start time of the first random access resource in the T time slots is (2192 ⁇ M+S) ⁇ 2 u basic time units; the starting time of the pth random access resource is (2192 ⁇ M+S) ⁇ 2 u +p ⁇ N, where or (E.g., in the Table, N u is the length of a preamble format and a second random access time sequence, Is the cyclic prefix length of the random access preamble format, It is the length of protection time of the random access preamble format).
  • the random access preamble format, the random access preamble sequence length, the random access preamble subcarrier spacing, the random access preamble subcarrier spacing, the number of random access resources associated with the downlink signal The maximum number of downlink signals, the actual downlink signal transmitted, the type of service, and the carrier frequency.
  • T 1/2 (or 7 OFDM symbols) is taken as an example.
  • the "format” in the above table refers to the format of the random access preamble.
  • FIG. 17 is a schematic structural diagram of a time slot in a random access method according to another embodiment of the present disclosure.
  • FIG. 18 is a schematic diagram of a time slot structure in a random access method according to another embodiment of the present disclosure.
  • the structure indication information may be sent by the network device to the terminal, where the structure indication information carries the structure identifier bit.
  • the distribution of random access preambles in T time slots is as shown in FIG. 1.
  • the distribution of the random access preamble in the T time slots is as shown in FIG. 18.
  • the random access resource in the random access period may also change accordingly.
  • the random access resource is associated with the downlink signal, and one downlink signal corresponds to one or more random access resources.
  • the terminal synchronizes, the downlink signal i is selected, and the time and frequency position of the random access resource corresponding to the downlink signal i is determined according to the association relationship.
  • a random access resource associated with a downlink signal in a maximum downlink signal set (or a downlink signal scanning period) is just a random access resource associated with a random access period (one
  • the downlink signal may be associated with one or more resources, and the multiple resources associated with the same downlink signal may be temporally continuous or non-contiguous in time).
  • the maximum downlink signal set may refer to the carrier frequency or the maximum allowed number of downlink signal blocks corresponding to the frequency band (for example, 4 downlink signal blocks in the maximum downlink signal set below 3 gigahertz (GHz)).
  • a downlink signal associated with a maximum downlink signal set (or a downlink signal scanning period) is associated with a random access resource associated with a random access cycle time.
  • each downlink signal block A random access resource is associated with a time, that is, a random access resource associated with a downlink signal block in a downlink signal set is exactly a resource specified in a random access period.
  • the downlink signal block in the downlink signal set actually transmitted by the network device may be adjusted, for example, only a part of the downlink signal block in the downlink signal set is sent. This adjustment affects the correspondence of random access resources. If a fixed random access resource is adopted, the time and frequency position of the random access resource associated with the downlink signal block in the downlink signal set will inevitably be uncertain.
  • the random access resources in the random access period are adjusted and/or the number of random access resources associated with the downlink signal block is adjusted accordingly.
  • an implementation manner is that, according to the actually transmitted downlink signal block (signal index i), the random access resource (resource index i) in the random access period is sequentially received; and the remaining random access resources in the random access resource period. Then, it is released as other uplink/downlink communication, or adjusts the structure of the random access resource in the random access period according to the pre-configuration or the rule specified by the network device.
  • the random access resources in time slot 2 or time slot 3 may be reserved in the structure shown in FIG. 17, and the remaining random access resources are released. For other uses.
  • the number of the random access resources associated with the two downlink signal blocks that are actually transmitted is adjusted to be two, and the association manner between the downlink signal block and the random access resource may be adjusted according to a preset rule, or the network audit indicates the association mode, for example,
  • the random access resources associated with the first downlink signal block are adjusted to indexes 1 and 2 (1 or 3), and the random access resources associated with the second downlink signal block are adjusted to indexes 3 and 4 (correspondingly, 2 or 4) ).
  • the access resource is used to release the random access resource in the slot 3 format A1 for other purposes.
  • FIG. 17 reserves all random access resources in time slot 3, and random access resources in the format of B1 in time slot 2, and releases the random access resources in the format 2 of slot 2 for other purposes.
  • the network device indicates or the terminal adjusts the structure of the random access resource according to a predefined rule.
  • the number of random access resources associated with one of the actually transmitted downlink signal blocks is adjusted to be 2, and the other downlink signal block associations are kept unchanged, for example, the number of random access resources associated with the first downlink signal block is adjusted to 2.
  • the random access resource corresponding to another downlink signal block that is not transmitted is adjusted to the first downlink signal block.
  • the structure of the random access resource is as shown in FIG. 18, and there is only one random access resource in the frequency domain, and each The downlink signal block is associated with two random access resources at a time. That is, the random access resource associated with the downlink signal block in a downlink signal set is just the resource specified in a random access period.
  • the random access resources in slot 2 or slot 3 are reserved, and the remaining random access resources are released for other purposes.
  • the following two random access resources in the format of A1 and B1 are reserved, and the random access resources corresponding to the first two A1s in each slot are released for other purposes.
  • the number of the random access resources associated with the two downlink signal blocks that are actually sent is adjusted to be 4, that is, the use of the random access resources is not changed, and the association between the downlink signals and the random access resources may be adjusted according to preset rules.
  • the random access resources of B1 release the first two random access resources in the slot 3 format A1 for other purposes.
  • all random access resources in slot 3 are reserved, and the latter two formats in slot 2 are random access resources of A1 and B1, and the first two formats in slot 2 are reserved. Release the random access resource for A1 for other purposes.
  • the constituent structure of the random access resource is adjusted by the network device or according to a predefined rule.
  • the number of random access resources associated with one of the actually transmitted downlink signal blocks is adjusted to be 4, and the random access resources associated with other downlink signal blocks are kept unchanged, for example, the number of resources associated with the first downlink signal block is adjusted. Is 4.
  • the resource corresponding to another downlink signal block that is not transmitted is adjusted to the first downlink signal.
  • the correspondence between the random access resource and the downlink signal is determined according to the maximum possible downlink signal block number, and the random access resource j1 in the random access period corresponding to the downlink signal block index i1.
  • part of the downlink signal block is not transmitted (for example, signal index i2), and corresponding random access resources (such as random access resource j2) can be used for other types of random access, such as beam recovery, request system.
  • the main parameters of the random access preamble transmission include one or more of the parameters shown in Table 25:
  • the frequency location of the random access resource may be an offset value relative to the initial access bandwidth, or may be an offset value relative to the downlink signal frequency (eg, the center frequency or the start frequency or the end frequency of the downlink signal).
  • the unit may be a number of subcarriers or a physical resource block or a physical resource block group.
  • the random access preamble subcarrier spacing Msg1SubcarrierSpacing, the association relationship Association, the downlink signal receiving power threshold RSRPThreshold, the actual transmitted downlink signal SSBTxPower, and the downlink signal transmission power SSBTxPower are newly added parameters on the basis of LTE; the actual transmitted downlink signal The SSBTxPower, the preamble initial received power PreambelInitialReceivedTargetPower, and the downlink signal transmission power SSBTxPower are based on a plurality of downlink signal configurations.
  • the maximum number of possible downlink signals in a frequency band is N.
  • the downlink signal may be referred to as a downlink synchronization signal block SS/PBCH block (synchronization signal/physical broadcast channel block), and/or a channel state information reference signal CSI-RS (channel state information-reference signal).
  • SS/PBCH block synchronization signal/physical broadcast channel block
  • CSI-RS channel state information reference signal
  • the downlink signal actually transmitted may be configured by using a bit map, and the number of bits required for the bitmap is related to the frequency band. For example, if 1 bit is used to indicate whether a downlink signal or a downlink signal group is transmitted, 4 bits are needed when the frequency band is less than 3 GHz; 8 bits are required when the frequency band is greater than 3 GHz and not greater than 6 GHz; and 64 bits are required when the frequency band is greater than 6 GHz. . When the frequency band is greater than 6 GHz, the number of bits required for the bitmap can be reduced.
  • each downlink signal is divided into L groups, each group of M downlink signals, where L can be 2, 4, 8, 16, 32, and correspondingly M can be 32, 16, 8, 4 2; at this time, L bits can be used to indicate whether each downlink signal group is used to transmit downlink signals, for example, the 1st bit is 1 indicates that the downlink signal is transmitted in the downlink signal of the first group; and the M bits indicate the downlink signal group.
  • the downlink signal actually transmitted in the downlink signal group and the downlink signal actually transmitted in each downlink signal group are the same.
  • the mth bit is 1 indicating that the mth downlink signal in the downlink signal group is used to transmit the downlink signal.
  • the following parameters are required: whether a downlink signal (or a downlink signal group) is transmitted, a transmission power of the downlink signal (or a downlink signal group), a beamforming gain of the network device, and an associated random connection.
  • the number of incoming resources, the preamble initial receiving power on the random access resource corresponding to the downlink signal (or the downlink signal group), and the network device receiving beamforming gain, and the above parameters of different downlink signals may be different. Therefore, the above several parameters are combined and sent together. For example, any of the above parameters are combined with each other and configured separately from the remaining other parameters.
  • a downlink signal is transmitted, a transmission power of the downlink signal, and a network device transmit beamforming gain are configured by using the same parameter;
  • a downlink signal is transmitted, a preamble initial receiving power on a random access resource corresponding to the downlink signal, and a network device receiving beamforming gain are configured by the same parameter.
  • each downlink signal when a downlink signal is transmitted, and the number of associated random access resources is configured by the same parameter, for example, when the frequency band is less than 3 GHz, each downlink signal uses 2 to 4 bits ( Or more), a total of 8 or 12 or 16 bits to indicate whether the downlink signal is transmitted and the number of associated random access resources.
  • a random access resource here represents a set of random access time-frequency resources/preambles whose size is configured by the network device or by predefined/pre-stored.
  • the frequency band is greater than 3 GHz and not greater than 6 GHz
  • 8 ⁇ 2 or 8 ⁇ 3 or 8 ⁇ 4 that is, 16, 24, 32 bits respectively are required
  • L bits are used to indicate actual transmission.
  • the downlink signal group, the downlink signal actually transmitted in the downlink signal packet, and the number of random access resources associated with each downlink signal, and the number of downlink signals used need M ⁇ 2 or M ⁇ 3 or M ⁇ 4, that is, total Need L+2M or L+3M or L+4M.
  • the above may indicate the time, frequency location or index of the random access resource, and/or the number of random access resources.
  • the number of the associated random access resources may refer to the total number of random access resources associated in the downlink signal group, or the number of random access resources associated with the downlink signal in the downlink signal group, where each downlink signal in the same downlink signal group is associated.
  • the number of random access resources is the same.
  • the frequency band is greater than 6 GHz, it is divided into L groups, each group of M signals.
  • Each downlink signal group uses 2 to 4 bits (or more) for a total of 2L or 3L or 4L bits to indicate whether each downlink signal group is transmitted and the number of associated random access resources. That is, a total of 2L+M or 3L+M or 4L+M bits are needed to indicate the actually transmitted downlink signal packet, the downlink signal actually transmitted in the downlink signal packet, and the number of random access resources associated with each downlink signal.
  • the above parameters are based on the configuration of the downlink signal group. For example, in random access, at least the following parameters are required: whether to acquire a downlink signal group, the transmission power of the downlink signal group, the beamforming gain of the network device, the number of associated random access resources, and the downlink signal group.
  • the preamble initial received power on the corresponding random access resource and the network device receive beamforming gain, and the above parameters of different downlink signals may be different. Therefore, the above several parameters are combined and sent together. For example, any of the above parameters are combined with each other and configured separately from the remaining other parameters.
  • the parameter configuration of the downlink signal group may be: the power parameters of the downlink signals in the same downlink signal group are the same; or the power parameters of the downlink signals in the same downlink signal group are different, but the same in different downlink signal groups.
  • the power parameters of the downlink signals at the index position are the same.
  • the parameter configuration method based on the downlink signal group is similar to the above parameter configuration method based on the downlink signal, and details are not described herein again.
  • the transmit power of the downlink signal, the transmit beamforming gain of the network device, the preamble initial receive power on the random access resource corresponding to the downlink signal, and the network device receive beamforming gain are configured by two parameters.
  • the network device sends power parameters and the network device receives power parameters.
  • the two parameters may be a combination of the above four parameters, for example, the network device transmit power includes at least the downlink signal transmit power, and the network device receive power parameter includes at least the preamble initial receive power; and, for example, the network device transmit power includes the downlink signal.
  • network device receive power parameter includes preamble initial receive power; for example, network device transmit power is downlink signal transmit power, network device receive power parameter includes preamble initial receive power and network Device transmit/receive beamforming gain difference.
  • the above two parameters can be sent in a variety of ways.
  • mode 1 network device transmit power parameter and network device receive power parameter of each downlink signal (or downlink signal group) are respectively configured;
  • mode 2 network device transmit power parameter of each downlink signal (or downlink signal group) is based on Referring to the network device sending power parameter and the sending power offset value corresponding to the downlink signal (or the downlink signal group), and the network device receiving power parameter of each downlink signal (or downlink signal group) respectively referring to the network device receiving power parameter and the downlink The received power offset value corresponding to the signal (or downlink signal group).
  • the transmit power offset value and the received power offset value may be transmitted together with whether a downlink signal (or a downlink signal group) is transmitted.
  • each downlink signal when a downlink signal is transmitted and the received power offset value is configured by the same parameter, when the frequency band is less than 3 GHz, each downlink signal uses 2 to 4 bits (or more), in total. 8 or 12 or 16 bits to indicate whether the downlink signal is transmitted and the received power offset value.
  • each downlink signal a total of 8 bits are needed, and the downlink signal m is indicated by 2m and 2m+1 bits; when the 2m and 2m+1 indication bits are 00, it indicates that the downlink signal is not transmitted; When the 2m and 2m+1 indication bits are 01, it indicates that the downlink signal is transmitted, and the received power offset corresponding to the downlink signal is p1 (dBm); when the 2m and 2m+1 indication bits are 10, the downlink signal is indicated.
  • the received power offset corresponding to the downlink signal is p2 (dBm); when the 2m and 2m+1 indicator bits are 11, it indicates that the downlink signal is transmitted, and the received power offset corresponding to the downlink signal is p3 (dBm); here p1, p2, p3 are predefined/pre-stored values.
  • p1, p2, p3 are predefined/pre-stored values.
  • 8 ⁇ 2 or 8 ⁇ 3 or 8 ⁇ 4 that is, 16, 24, 32 bits respectively are required; when the frequency band is greater than 6 GHz, L bits are used to indicate actual transmission.
  • the downlink signal grouping, and the number of downlink signals requires M ⁇ 2 or M ⁇ 3 or M ⁇ 4, that is, a total of L+2M or L+3M or L+4M is required. Whether the downlink signal is transmitted and the transmission power offset value is configured by the same parameter, whether the downlink signal is transmitted and transmitted, and the received power offset value is configured by the same parameter is similar to the above, and details are not described herein again.
  • the value in the random access configuration table is a relative time slot position
  • the time slot position of the random access resource needs to be in a random access configuration table corresponding to the subcarrier spacing and the number of all the maximum downlink signals.
  • the relative time slot position and the time offset position of the downlink signal determine the actual time slot position.
  • the time offset position of the downlink signal refers to the time offset of the downlink signal relative to the reference downlink signal transmission time/time slot.
  • the reference downlink signal transmission time is located in time 0 (ie, slot 0) in 0 to 5 ms (ie, slot 0 to 5 ⁇ 2 u -1) in one system frame, where u is the downlink signal subcarrier index or the downlink signal time.
  • the reference subcarrier spacing index is set.
  • the time offset of the downlink signal transmission time relative to the reference downlink signal transmission time/time slot is T_Offset (ms or slot index), and the relative slot positions specified in all configuration tables need to be adjusted based on the T_offset.
  • T_Offset ms or slot index
  • the actual slot position is related to the T_offset and the slot position specified by the corresponding random access configuration index.
  • the bandwidth of the downlink synchronization signal block SS/PBCH block is 288 subcarriers
  • the bandwidth of the downlink synchronization signal block can support two randomities when the subcarrier spacing of the random access preamble and the downlink synchronization signal block are the same.
  • the location of the access resource so only two locations in the time domain are needed, and four possible different random access resource locations can be provided, thereby allowing adjacent four cells to simultaneously perform random access on the same frequency, and different Random accesses on cells are at different time and frequency locations and therefore do not interfere with each other.
  • the design criterion of LTE is that three cells do not interfere with each other.
  • the minimum system bandwidth in LTE can only place one random access resource on 1.25 MHz, so three positions in the frequency domain are needed.
  • FIG. 20 is a schematic structural diagram of a random access device according to an embodiment of the present disclosure.
  • the device is a chip/function module integrated in a terminal or integrated in a terminal. As shown in FIG. 20, the device includes: a receiving module 1901, and a determining module. 1902 and a sending module 1903, wherein:
  • the receiving module 1901 is configured to receive first indication information that is sent by the network device, where the first indication information is used to indicate a random access configuration index.
  • the determining module 1902 is configured to determine, according to the random access configuration index, a random access resource, and determine, according to the association relationship between the random access resource and the downlink signal, a random access resource corresponding to the downlink signal.
  • the sending module 1903 is configured to send a random access preamble to the network device according to the random access resource corresponding to the downlink signal.
  • the association relationship between the random access resource and the downlink signal includes an index manner of the random access resource.
  • the determining module 1902 is configured to determine, according to an indexing manner of the random access resource and the number of randomly accessed resources at the same time, first determining, according to a time at which the random access resource is located, the downlink signal Determining the frequency position f of the random access resource corresponding to the downlink signal at time t; or determining the frequency of the random access resource according to the index mode of the random access resource and the number of random access resources at the same time Determining a frequency location f of the random access resource corresponding to the downlink signal in a time domain of the random access resource, and determining a random access resource corresponding to the downlink signal at the frequency location f The time t; or, according to the index mode of the random access resource and the number of random access resources at the same time, first determining the downlink on N time slots or subframes in the period in which the random access resource is located The time t of the random access resource corresponding to the signal, and determining the frequency position f of the random access resource corresponding to the same time
  • the determining module 1902 is specifically configured to: according to the subcarrier spacing of the random access preamble, the sequence length of the random access preamble, the maximum number of downlink signal blocks, one or more of the actually transmitted downlink signal blocks, and The random access configuration index is used to determine the time range of the random access resource.
  • the determining module 1902 is further configured to: before the sending module sends a random access preamble to the network device according to the random access resource corresponding to the downlink signal, according to a preset time slot or a subframe And the second indication information that is sent by the network device, where the second indication information includes: a random access time slot, where the time of the random access resource is determined, or the second indication information sent by the network device is received. Or the structure information of the subframe; determining, according to the structure information of the random access slot or the subframe, the time at which the random access resource is located within the time range of the random access resource.
  • the determining module 1902 is further configured to obtain a preset indexing manner of the random access resource, or the receiving module is further configured to receive third indication information sent by the network device, where the The three indication information is used to indicate an indexing manner of the random access resource.
  • the determining module 1902 is further configured to: according to the subcarrier spacing of the random access preamble, the sequence length of the random access preamble, the maximum number of downlink signal blocks, one or more of the actually transmitted downlink signal blocks, and
  • the random access configuration index is used to determine a format of a random access preamble and a system frame position in a time range of the random access resource.
  • the receiving module 1901 is further configured to receive fourth indication information that is sent by the network device, where the fourth indication information is used to indicate a downlink signal block that is actually transmitted.
  • FIG. 21 is a schematic structural diagram of a random access device according to another embodiment of the present disclosure.
  • the device may be a network device or a chip/functional module integrated in a network device. As shown in FIG. 21, the device includes: a generating module. 210 and a sending module 220, wherein:
  • the generating module 210 is configured to generate first indication information, where the first indication information is used to indicate a random access configuration index.
  • the sending module 220 is configured to send the first indication information to the terminal, where the random access resource of the terminal is determined by the random access configuration index, and the random access resource corresponding to the downlink signal is used by the random access The relationship between the resource and the downlink signal is determined.
  • the association relationship between the random access resource and the downlink signal includes an index manner of the random access resource.
  • the indexing manner of the random access resource includes: first determining, according to an indexing manner of the random access resource and a number of random access resources at the same time, at a time when the random access resource is located The time t of the random access resource corresponding to the downlink signal, and the frequency position f of the random access resource corresponding to the downlink signal is determined at time t; or, according to the index mode of the random access resource and the random time at the same time Determining the frequency position f of the random access resource corresponding to the downlink signal in the frequency domain of the time when the random access resource is located, and determining the downlink signal corresponding to the frequency position f Time t of the random access resource; or, according to the index mode of the random access resource and the number of random access resources at the same time, first N time slots or sub-periods within the period in which the random access resource is located Determining a time t of the random access resource corresponding to the downlink signal, and determining, at time t,
  • the time range of the random access resource is determined by a subcarrier spacing of the random access preamble, a sequence length of the random access preamble, a maximum number of downlink signal blocks, and one or more of the actually transmitted downlink signal blocks. And determining the random access configuration index.
  • the sending module 220 is further configured to send the second indication information to the terminal, where the second indication information includes: structure information of a random access slot or a subframe; where the random access resource is located The time is determined according to the structure information of the random access slot or the subframe within the time range of the random access resource.
  • the sending module 220 is further configured to send the third indication information to the terminal, where the third indication information is used to indicate an indexing manner of the random access resource, and the random access resource corresponding to the downlink signal is according to the random The index mode of the access resource is determined within the time period in which the random access resource is located.
  • the format of the random access preamble in the time range of the random access resource the system frame position, the subcarrier spacing of the random access preamble, the sequence length of the random access preamble, the maximum downlink signal block number, and the actual transmission
  • the downlink signal blocks and the random access configuration index determination the format of the random access preamble in the time range of the random access resource, the system frame position, the subcarrier spacing of the random access preamble, the sequence length of the random access preamble, the maximum downlink signal block number, and the actual transmission.
  • the sending module 220 is further configured to send fourth indication information to the terminal, where the fourth indication information is used to indicate a downlink signal block that is actually transmitted.
  • the foregoing device may be used to perform the method provided in the foregoing method embodiment, and the specific implementation manner and the technical effect are similar, and details are not described herein again.
  • each module of the above device is only a division of a logical function, and the actual implementation may be integrated into one physical entity in whole or in part, or may be physically separated.
  • these modules can all be implemented by software in the form of processing component calls; or all of them can be implemented in hardware form; some modules can be realized by processing component calling software, and some modules are realized by hardware.
  • the determining module may be a separately set processing element, or may be integrated in one of the above-mentioned devices, or may be stored in the memory of the above device in the form of program code, by a processing element of the above device. Call and execute the functions of the above determination module.
  • the implementation of other modules is similar.
  • all or part of these modules can be integrated or implemented independently.
  • the processing elements described herein can be an integrated circuit that has signal processing capabilities. In the implementation process, each step of the above method or each of the above modules may be completed by an integrated logic circuit of hardware in the processor element or an instruction in a form of software.
  • the above modules may be one or more integrated circuits configured to implement the above methods, such as one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (digital) Signal processor, DSP), or one or more Field Programmable Gate Arrays (FPGAs).
  • ASICs Application Specific Integrated Circuits
  • DSP digital Signal processor
  • FPGAs Field Programmable Gate Arrays
  • the processing component can be a general purpose processor, such as a central processing unit (CPU) or other processor that can invoke program code.
  • these modules can be integrated and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip
  • FIG. 22 is a schematic structural diagram of a random access device according to another embodiment of the present disclosure.
  • the device may be integrated into the foregoing network device or terminal. As shown in FIG. 22, the device includes: a memory 10, a processor 11, a transmitter 12, and Receiver 13.
  • the memory 10 can be a separate physical unit that can be coupled to the processor 11, the transmitter 12, and the receiver 13 via a bus 14.
  • the memory 10, the processor 11, the transmitter 12, and the receiver 13 can also be integrated together, implemented by hardware, and the like.
  • the transmitter 12 and the receiver 13 may also be connected to an antenna, and the receiver 13 receives information transmitted by other devices through an antenna, and accordingly, the transmitter 12 transmits information to other devices through the antenna.
  • the memory 10 is used to store a program for implementing the above method embodiments, or various modules of the device embodiment, and the processor 11 calls the program to perform the operations of the above method embodiments.
  • the random access device may also include only the processor.
  • the memory for storing the program is located outside the random access device, and the processor is connected to the memory through the circuit/wire for reading and executing the program stored in the memory.
  • the processor can be a central processing unit (CPU), a network processor (NP) or a combination of CPU and NP.
  • CPU central processing unit
  • NP network processor
  • the processor may further include a hardware chip.
  • the hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD), or a combination thereof.
  • the PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general array logic (GAL), or any combination thereof.
  • the memory may include a volatile memory such as a random-access memory (RAM); the memory may also include a non-volatile memory such as a flash memory.
  • RAM random-access memory
  • non-volatile memory such as a flash memory.
  • HDD hard disk drive
  • SSD solid-state drive
  • the memory may also include a combination of the above types of memories.
  • the sending module or the transmitter performs the steps of the foregoing method embodiments
  • the receiving module or the receiver performs the steps received by the foregoing method embodiments, and other steps are performed by other modules or processors.
  • the transmitting module and the receiving module can form a transceiver module
  • the receiver and the transmitter can form a transceiver.
  • the embodiment of the present application further provides a computer storage medium, which is stored with a computer program, which is used to execute the random access method provided by the foregoing embodiment.
  • the embodiment of the present application further provides a computer program product comprising instructions, which when executed on a computer, causes the computer to execute the random access method provided by the foregoing embodiment.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
  • the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本申请提供一种随机接入方法及装置,该方法包括:终端接收网络设备发送的第一指示信息,第一指示信息用于指示随机接入配置索引;终端根据随机接入配置索引,确定随机接入资源;根据随机接入资源与下行信号的关联关系,确定下行信号对应的随机接入资源;根据下行信号对应的随机接入资源,向网络设备发送随机接入前导。实现了由网络设备指示的随机接入配置索引,确定随机接入资源,再进一步根据下行信号与随机接入资源的关联关系确定下行信号对应的随机接入资源,避免了终端在发送随机接入前导时盲目尝试随机接入资源的问题,网络设备侧可以在下行信号对应的随机接入资源上接收随机接入前导,避免波束不匹配的问题,提升随机接入过程的效率。

Description

随机接入方法及装置
本申请要求于2017年09月30日提交中国专利局、申请号为201710917141.3、申请名称为“随机接入方法及装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及无线通信领域,尤其涉及一种随机接入方法及装置。
背景技术
在多波束网络中,基站与终端进行通信之前,首先需要进行上行同步和下行同步。在下行同步过程中,基站通过多个发送波束发送下行同步信号,终端利用一个或多个接收波束,对下行同步信号进行接收并检测,确定最佳下行发送波束和接收波束对、下行时间以及系统信息。而上行同步借助于随机接入过程来完成,终端首先发送随机接入信号,基站通过检测随机接入信号,获取最佳上行发送波束和接收波束对、上行时间等,并实现基站与终端的上行同步。
目前的新空口(New Radio,NR)技术中,还没有合适的确定随机接入资源的方式,因而终端在发送随机接入信号时存在盲目尝试随机接入资源的问题、并且基站在接收随机接入信号时可能出现波束不匹配的问题,从而导致随机接入过程的效率较低。
发明内容
本申请提供一种随机接入方法及装置,用于解决随机接入过程效率较低的问题。
本申请第一方面提供一种随机接入方法,包括:
终端接收网络设备发送的第一指示信息,所述第一指示信息用于指示随机接入配置索引;
所述终端根据所述随机接入配置索引,确定随机接入资源;
所述终端根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源;
所述终端根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导。
可选地,所述随机接入资源与下行信号的关联关系包含随机接入资源的索引方式。
一种可能的设计方式中,所述终端根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源,包括:
所述终端根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f;或者,
所述终端根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在 所述随机接入资源所在的时间内频域上确定所述下行信号对应的随机接入资源的频率位置f,再在频率位置f上确定所述下行信号对应的随机接入资源的时间t;或者,
所述终端根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的周期内的N个时隙或子帧上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f,N为大于0的整数。
一种可能的设计方式中,所述终端根据所述随机接入配置索引,确定随机接入资源,包括:
所述终端根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引,确定随机接入资源的时间范围。
一种可能的设计方式中,所述终端根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导之前,还包括:
所述终端根据预设的时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定随机接入资源所在的时间,或者,
所述终端接收所述网络设备发送的第二指示信息,所述第二指示信息包括:随机接入时隙或者子帧的结构信息;所述终端根据所述随机接入时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定随机接入资源所在的时间。
一种可能的设计方式中,所述终端根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导之前,还包括:
所述终端获取预设的所述随机接入资源的索引方式;或者,
所述终端接收所述网络设备发送的第三指示信息,所述第三指示信息用于指示所述随机接入资源的索引方式。
一种可能的设计方式中,所述方法还包括:
所述终端根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引,确定随机接入资源的时间范围中随机接入前导的格式、系统帧位置。
一种可能的设计方式中,所述方法还包括:
所述终端接收所述网络设备发送的第四指示信息,所述第四指示信息用于指示实际传输的下行信号块。
本申请第二方面提供一种随机接入方法,包括:
网络设备生成第一指示信息,所述第一指示信息用于指示随机接入配置索引;
所述网络设备向终端发送所述第一指示信息,其中,所述终端的随机接入资源由所述终端根据所述随机接入配置索引确定,下行信号对应的随机接入资源由所述终端根据所述随机接入资源与下行信号的关联关系确定。即所述随机接入配置索引用于确定所述终端的随机接入资源。
一种可能的设计方式中,所述随机接入资源与下行信号的关联关系包含随机接入资源的索引方式。
一种可能的设计方式中,随机接入资源的索引方式包括:根据随机接入资源的索 引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f;或者,根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间内频域上确定所述下行信号对应的随机接入资源的频率位置f,再在频率位置f上确定所述下行信号对应的随机接入资源的时间t;或者,根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的周期内的N个时隙或子帧上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f,N为大于0的整数。
一种可能的设计方式中,所述随机接人资源的时间范围由所述终端根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引确定。
一种可能的设计方式中,所述方法还包括:
所述网络设备向所述终端发送第二指示信息,所述第二指示信息包括:随机接入时隙或者子帧的结构信息;所述随机接入资源所在的时间根据所述随机接入时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定。
一种可能的设计方式中,所述方法还包括:
所述网络设备向所述终端发送第三指示信息,所述第三指示信息用于指示所述随机接入资源的索引方式;所述下行信号对应的随机接入资源根据所述随机接入资源的索引方式,在所述随机接入资源所在的时间内确定。
一种可能的设计方式中,所述随机接入资源的时间范围中随机接入前导的格式、系统帧位置,由所述终端根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引确定。
一种可能的设计方式中,所述方法还包括:
所述网络设备向所述终端发送第四指示信息,所述第四指示信息用于指示实际传输的下行信号块。
本申请第三方面提供一种随机接入方法,包括:
终端接收网络设备发送的第三指示信息,所述第三指示信息用于指示当前随机接入资源的索引方式;
所述终端根据网络设备下发的随机接入配置索引,确定随机接入资源所在的时隙;
所述终端根据所述当前随机接入资源的索引方式,在所述随机接入资源所在的时隙内,确定下行信号对应的随机接入资源;
所述终端按照所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导。
可选地,所述终端根据网络设备下发的随机接入配置索引,确定随机接入资源所在的时隙,包括:
所述终端根据随机接入子载波间隔、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引,确定随机接入资源所在的时隙。
可选地,所述终端接收所述网络设备发送的第一指示信息,所述第一指示信息用于指示随机接入配置索引。
可选地,所述终端根据当前随机接入资源的索引方式,在所述随机接入资源所在的时隙内,确定下行信号对应的随机接入资源,包括:
所述终端根据当前随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时隙上确定随机接入资源的时间t、再在时间t上确定随机接入资源的频率位置f;或者,
所述终端根据当前随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时隙内频域上确定随机接入资源的频率位置f,再在随机接入资源的频率位置f上确定时间t;或者,
所述终端根据当前随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的周期内的N个时隙上确定随机接入资源的时间t、再在时间t上确定随机接入资源的频率位置f,N为大于0的整数。
可选地,所述终端根据当前随机接入资源的索引方式,在所述随机接入资源所在的时隙内,确定下行信号对应的随机接入资源,包括:
所述终端根据下行信号与随机接入资源的关联关系、以及当前随机接入资源的索引方式,在所述随机接入资源所在的时隙内,确定下行信号对应的随机接入资源。
可选地,所述关联关系可以包括下述任一种:
同一时间上的随机接入资源对应一个下行信号;或者,
同一时间上的随机接入资源对应多个下行信号;或者,
同一时间上的随机接入资源对应所有下行信号。
可选地,所述方法还包括:
所述终端根据随机接入子载波间隔、最大下行信号块数量、实际传输的下行信号块中的一项或多项、以及所述随机接入配置索引,确定随机接入时隙中随机接入前导的格式、系统帧位置。
可选地,所述方法还包括:
所述终端接收所述网络设备发送的第四指示信息,所述第四指示信息用于指示实际传输的下行信号块。
本申请第四方面提供一种随机接入方法,包括:
网络设备生成第三指示信息,所述第三指示信息用于指示当前随机接入资源的索引方式;
所述网络设备向终端发送所述第三指示信息,以使所述终端根据所述当前随机接入资源的索引方式,在随机接入资源所在的时隙内,确定下行信号对应的随机接入资源。
可选地,所述随机接入资源所在的时隙由所述终端根据随机接入子载波间隔、最大下行信号块数量、实际传输的下行信号块中的一项或多项、以及随机接入配置索引确定。
可选地,所述方法还包括:
所述网络设备向终端发送第一指示信息,所述第一指示信息包括:随机接入配置 索引。
可选地,所述当前随机接入资源的索引方式指示终端根据当前随机接入资源的索引方式和相同时间上随机接入资源的个数,先在随机接入周期的所有时隙上确定随机接入资源的时间t、再在时间t上确定随机接入资源的频率位置f;或者,根据当前随机接入资源的索引方式和相同时间上随机接入资源的个数,先在频域上确定随机接入资源的频率位置f,再在随机接入资源的频率位置f上确定时间t;或者,根据当前随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的周期内的N个时隙上确定随机接入资源的时间t、再在时间t上确定随机接入资源的频率位置f,N为大于0的整数。
可选地,所述下行信号对应的随机接入资源具体由所述终端根据下行信号与随机接入资源的关联关系、以及当前随机接入资源的索引方式,在所述随机接入资源所在的时隙内确定。
可选地,所述关联关系包括下述任一种:
同一时间上的随机接入资源对应一个下行信号;或者,
同一时间上的随机接入资源对应多个下行信号;或者,
同一时间上的随机接入资源对应所有下行信号。
可选地,随机接入时隙中随机接入前导的格式、系统帧位置由随机接入子载波间隔、最大下行信号块数量、实际传输的下行信号块中的一项或多项、以及所述随机接入配置索引确定。
可选地,所述方法还包括:
网络设备向终端发送第四指示信息,所述第四指示信息用于指示实际传输的下行信号块。
本申请第五方面提供一种随机接入方法,包括:
终端根据随机接入资源与下行信号的关联关系,确定下行信号对应的随机接入资源;
所述终端根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导。
可选地,所述随机接入资源与下行信号的关联关系包含随机接入资源的索引方式。
可选地,所述终端根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源,包括:
所述终端根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间上确定随机接入资源的时间t、再在时间t上确定随机接入资源的频率位置f;或者,
所述终端根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间内频域上确定随机接入资源的频率位置f,再在随机接入资源的频率位置f上确定时间t;或者,
所述终端根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的周期内的N个时隙上确定随机接入资源的时间t、再在时间t上确定随机接入资源的频率位置f,N为大于0的整数。
本申请第六方面提供一种随机接入装置,所述装置包括用于执行上述第一方面以及第一方面的各种实现方式所提供的方法的模块或手段(means)。
本申请第七方面提供一种随机接入装置,所述装置包括用于执行上述第二方面以及第二方面的各种实现方式所提供的方法的模块或手段(means)。
本申请第八方面提供一种随机接入装置,所述装置包括用于执行上述第三方面以及第三方面的各种实现方式所提供的方法的模块或手段(means)。
本申请第九方面提供一种随机接入装置,所述装置包括用于执行上述第四方面以及第四方面的各种实现方式所提供的方法的模块或手段(means)。
本申请第十方面提供一种随机接入装置,所述装置包括用于执行上述第五方面以及第五方面的各种实现方式所提供的方法的模块或手段(means)。
本申请第十一方面提供一种随机接入装置,所述装置包括处理器和存储器,存储器用于存储程序,处理器调用存储器存储的程序,以执行本申请第一方面提供的方法。
本申请第十二方面提供一种随机接入装置,所述装置包括处理器和存储器,存储器用于存储程序,处理器调用存储器存储的程序,以执行本申请第二方面提供的方法。
本申请第十三方面提供一种随机接入装置,所述装置包括处理器和存储器,存储器用于存储程序,处理器调用存储器存储的程序,以执行本申请第三方面提供的方法。
本申请第十四方面提供一种随机接入装置,所述装置包括处理器和存储器,存储器用于存储程序,处理器调用存储器存储的程序,以执行本申请第四方面提供的方法。
本申请第十五方面提供一种随机接入装置,所述装置包括处理器和存储器,存储器用于存储程序,处理器调用存储器存储的程序,以执行本申请第五方面提供的方法。
本申请第十六方面提供一种随机接入装置,包括用于执行以上第一方面的方法的至少一个处理元件(或芯片)。
本申请第十七方面提供一种随机接入装置,包括用于执行以上第二方面的方法的至少一个处理元件(或芯片)。
本申请第十八方面提供一种随机接入装置,包括用于执行以上第三方面的方法的至少一个处理元件(或芯片)。
本申请第十九方面提供一种随机接入装置,包括用于执行以上第四方面的方法的至少一个处理元件(或芯片)。
本申请第二十方面提供一种随机接入装置,包括用于执行以上第五方面的方法的至少一个处理元件(或芯片)。
本申请第二十一方面提供一种程序,该程序用于执行以上第一方面的方法。
本申请第二十二方面提供一种计算机存储介质,包括第二十一方面的程序。
本申请第二十三方面提供一种程序,该程序用于执行以上第二方面的方法。
本申请第二十四方面提供一种计算机存储介质,包括第二十三方面的程序。
本申请第二十五方面提供一种程序,该程序用于执行以上第三方面的方法。
本申请第二十六方面提供一种计算机存储介质,包括第二十五方面的程序。
本申请第二十七方面提供一种程序,该程序用于执行以上第四方面的方法。
本申请第二十八方面提供一种计算机存储介质,包括第二十七方面的程序。
本申请第二十九方面提供一种程序,该程序用于执行以上第五方面的方法。
本申请第三十方面提供一种计算机存储介质,包括第二十九方面的程序。
本申请提供的随机接入方法及装置中,网络设备生成第一指示信息,该第一指示信息用于指示随机接入配置索引,进而将第一指示信息发送给终端,终端根据随机接入配置索引,确定随机接入资源,根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源,按照该下行信号对应的随机接入资源,向网络设备发送随机接入前导。实现了由网络设备指示的随机接入配置索引,确定随机接入资源,再进一步根据下行信号与随机接入资源的关联关系确定下行信号对应的随机接入资源,避免了终端在发送随机接入前导时盲目尝试随机接入资源的问题,网络设备侧也就可以在该下行信号对应的随机接入资源上接收随机接入前导,避免波束不匹配的问题,提升了随机接入过程的效率。
附图说明
图1为本申请提供的一种通信系统架构示意图;
图2为本申请一实施例提供的随机接入方法流程示意图;
图3为本申请另一实施例提供的随机接入方法流程示意图;
图4为本申请一实施例提供的随机接入方法中随机接入资源索引示意图;
图5为本申请另一实施例提供的随机接入方法中随机接入资源索引示意图;
图6为本申请另一实施例提供的随机接入方法中随机接入资源索引示意图;
图7为本申请一实施例提供的随机接入方法中随机接入前导结构示意图;
图8为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;
图9为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;
图10为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;
图11为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;
图12为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;
图13为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;
图14为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;
图15为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;
图16为本申请一实施例提供的随机接入方法中随机接入结构示意图;
图17为本申请另一实施例提供的随机接入方法中时隙结构示意图;
图18为本申请又一实施例提供的随机接入方法中时隙结构示意图;
图19为本申请一实施例提供的随机接入方法中下行信号示意图;
图20为本申请一实施例提供的随机接入装置结构示意图;
图21为本申请另一实施例提供的随机接入装置结构示意图;
图22为本申请另一实施例提供的随机接入装置结构示意图。
具体实施方式
本申请实施例可以应用于无线通信系统,需要说明的是,本申请实施例提及的无线通信系统包括但不限于:窄带物联网系统(Narrow Band-Internet of Things,NB-IoT)、 全球移动通信系统(Global System for Mobile Communications,GSM)、增强型数据速率GSM演进系统(Enhanced Data rate for GSM Evolution,EDGE)、宽带码分多址系统(Wideband Code Division Multiple Access,WCDMA)、码分多址2000系统(Code Division Multiple Access,CDMA2000)、时分同步码分多址系统(Time Division-Synchronization Code Division Multiple Access,TD-SCDMA),长期演进系统(Long Term Evolution,LTE)以及下一代5G移动通信系统的三大应用场景增强型移动宽带(Enhanced Mobile Broad Band,eMBB)、URLLC以及大规模机器通信(Massive Machine-Type Communications,mMTC)。
在本申请实施例中,终端(terminal device)包括但不限于移动台(MS,Mobile Station)、移动终端(Mobile Terminal)、移动电话(Mobile Telephone)、手机(handset)及便携设备(portable equipment)等,该终端可以经无线接入网(RAN,Radio Access Network)与一个或多个核心网进行通信,例如,终端可以是移动电话(或称为“蜂窝”电话)、具有无线通信功能的计算机等,终端还可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置或设备。
图1为本申请提供的一种通信系统架构示意图。
如图1所示,通信系统01包括网设备101和终端102。当无线通信网络01包括核心网时,该网络设备101还可以与核心网相连。网络设备101还可以与互联网协议(Internet Protocol,IP)网络200进行通信,例如,因特网(internet),私有的IP网,或其它数据网等。网络设备为覆盖范围内的终端提供服务。例如,参见图1所示,网络设备101为网络设备101覆盖范围内的一个或多个终端提供无线接入。另外,网络设备之间还可以可以互相通信。
网络设备101可以是用于与终端进行通信的设备。例如,可以是GSM系统或CDMA系统中的基站(Base Transceiver Station,BTS),也可以是WCDMA系统中的基站(NodeB,NB),还可以是LTE系统中的演进型基站(Evolved Node B,eNB或eNodeB)或未来5G网络中的网络侧设备等。或者该网络设备还可以是中继站、接入点、车载设备等。在终端对终端(Device to Device,D2D)通信系统中,该网络设备还可以是担任基站功能的终端。终端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(user equipment,UE),移动台(mobile station,MS)等。
本申请针对上述技术问题提出一种新的随机接入方法,该方法还可以对应于未来的5G提案,例如:The NR PRACH configuration can consider to reduce the candidate subframe numbers at each RACH resource time density and provide more options in time density。再例如The time slot number and OFDM symbol number should be defined for the PRACH resources,NR should strive to simplify the configuration and overhead.For example,by defining a finite number of candidate PRACH resource time patterns in a subframe,the time slot number and OFDM symbol number for each pattern are predefined。
图2为本申请一实施例提供的随机接入方法流程示意图,如图2所示,该方法包括:
S201、网络设备生成第三指示信息,该第三指示信息用于指示当前随机接入资源 的索引方式。
可以预先配置多种随机接入资源的索引方式,确定当前要使用的索引方式后,生成第三指示信息。可选地,第三指示信息中携带随机接入资源的索引方式的标识。
S202、网络设备向终端发送第三指示信息。
S203、终端接收网络设备发送的第三指示信息。
S204、终端根据网络设备下发的随机接入配置索引,确定随机接入资源所在的时隙。
可以提前为终端配置随机接入配置索引与随机接入资源所在的时隙之间的映射关系,终端获取随机接入配置索引后,可以根据配置随机接入配置索引与随机接入资源所在的时隙之间的映射关系,确定随机接入资源所在的时隙。
可选地,1个随机接入配置索引可以对应1个或多个时隙。
S205、终端根据上述当前随机接入资源的索引方式,在上述随机接入资源所在的时隙内,确定下行信号对应的随机接入资源。
在确定随机接入资源所在的时隙后,可以根据网络设备指示的当前随机接入资源的索引方式,在随机接入资源所在的时隙内,确定下行信号对应的随机接入资源。
S206、终端按照该下行信号对应的随机接入资源,向网络设备发送随机接入前导。
可选地,另一种实现方式中,可以是终端根据网络设备下发的随机接入配置索引,确定随机接入资源所在的时隙,进而终端在所述随机接入资源所在的时隙向网络设备发送随机接入前导。即不需要网络设备指示索引方式,直接根据随机接入配置索引确定随机接入资源所在的时隙后,就发送随机接入前导。
又一种实现方式中,可以是终端接收网络设备发送的第三指示信息,该第三指示信息指示当前随机接入资源的索引方式,终端根据当前随机接入资源的索引方式确定下行信号对应的随机接入资源,进而按照下行信号对应的随机接入资源,向网络设备发送随机接入前导。即终端根据网络设备指示的索引方式直接确定下行信号对应的随机接入资源,不限定在随机接入资源所在的时隙内确定,可以在随机接入周期或整个时域上确定等。
本实施例中,网络设备向终端发送第三指示信息,该第三指示信息指示当前随机接入资源的索引方式,终端根据网络设备下发的随机接入配置索引,确定随机接入资源所在的时隙,并根据上述当前随机接入资源的索引方式,在上述随机接入资源所在的时隙内,确定下行信号对应的随机接入资源,进而按照该下行信号对应的随机接入资源,向网络设备发送随机接入前导。实现了由网络设备指示当前随机接入资源的索引方式,终端可以根据当前随机接入资源的索引方式在随机接入资源所在的时隙内,确定下行信号对应的随机接入资源,避免了终端在发送随机接入前导时盲目尝试随机接入资源的问题,网络设备侧也就可以在该下行信号对应的随机接入资源上接收随机接入前导,避免波束不匹配的问题,提升了随机接入过程的效率。
图3为本申请另一实施例提供的随机接入方法流程示意图,如图3所示,该方法包括:
S301、网络设备生成第一指示信息,该第一指示信息用于指示随机接入配置索引。
S302、网络设备向终端发送第一指示信息。
S303、终端根据随机接入配置索引,确定随机接入资源。
随机接入配置索引用于终端确定该终端的随机接入资源。这里终端可以先确定比较大范围的随机接入资源,例如随机接入周期中的所有随机接入资源等。
S304、终端根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源。
终端会收到网络设备发送的多个下行信号,这里根据随机接入资源与下行信号的关联关系,可以确定某个下行信号对应的随机接入资源。
S305、终端按照该下行信号对应的随机接入资源,向网络设备发送随机接入前导。
本实施例中,网络设备生成第一指示信息,该第一指示信息用于指示随机接入配置索引,进而将第一指示信息发送给终端,终端根据随机接入配置索引,确定随机接入资源,根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源,按照该下行信号对应的随机接入资源,向网络设备发送随机接入前导。实现了由网络设备指示的随机接入配置索引,确定随机接入资源,再进一步根据下行信号与随机接入资源的关联关系确定下行信号对应的随机接入资源,避免了终端在发送随机接入前导时盲目尝试随机接入资源的问题,网络设备侧也就可以在该下行信号对应的随机接入资源上接收随机接入前导,避免波束不匹配的问题,提升了随机接入过程的效率。
可选地,随机接入资源与下行信号的关联关系包含随机接入资源的索引方式。
上述实施例中,随机接入(random access channel,RACH)资源可以包括:随机接入的时间、频率等信息。其中随机接入的时间可以是正交频分复用(orthogonal frequency division multiplexing,OFDM)符号、微时隙、时隙、子帧、时间长度为H个基本时间单元的时间段,表示可以发送一个预定义的随机接入前导所需要的时间,随机接入的频率表示发送一个预定义的随机接入前导所需要的带宽,其中H大于0。在一种实现方式中,一个随机接入资源由随机接入的时间和随机接入的频率两个维度来标识,即一个随机接入的时间、频率定义一个随机接入资源。在另一实现方式中,一个随机接入的时间、频率可以定义多个随机接入资源。不以此为限,在另外的实现方式中,M1个随机接入的时间、M1个随机接入的频率定义M2个随机接入资源,其中M1不等于M2。可选地,网络设备指示每随机接入时间上的随机接入资源个数M2。
一个随机接入资源还可以称为一个随机接入机会(RACH occasion/RACH transmission occasion/RACH opportunity/RACH chance,RO),或者在一个随机接入时间频率资源上的一个/多个集合的随机接入前导。
随机接入资源的索引方式可以是包括下述几种:(1)先在所述随机接入资源所在的时间上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f。(2)先在所述随机接入资源所在的时间内频域上确定所述下行信号对应的随机接入资源的频率位置f,再在频率位置f上确定所述下行信号对应的随机接入资源的时间t。(3)先在所述随机接入资源所在的周期内的N个时隙或子帧上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f,N为大于0的整数;再在接下来的N个时隙或子帧上确定下行信号对应的随机接入资源的时间t、再在时间t上确定下行信 号对应的随机接入资源的频率位置f,依次类推,N为大于0的整数。可选地,所述N由网络设备配置,或者预定义/预存储的值,或者预定义/预存储的方式获取。接下来的N个时隙,与前面N个时隙可以是连续的,也可以中间间隔一个或多个时隙,在此不作限制。
当前随机接入资源的索引方式可以是上述索引方式中的一种,具体由网络设备进行指示。
网络设备向终端发送多个下行信号,终端确定某个下行信号后,按照当前随机接入资源的索引方式,在随机接入资源所在的时隙内确定这个下行信号对应的随机接入资源。
假设一个下行信号关联F个随机接入资源,使用固定的下行信号与随机接入资源之间的关联关系,索引为k的下行信号关联的随机接入资源的索引可以表示为:(k-1)×F+(0:F-1),其中“0:F-1”表示0到F-1的所有整数。k、F为大于0的整数。
具体举例说明:
(1)上述终端根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源,可以为:终端根据当前随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f。
图4为本申请一实施例提供的随机接入方法中随机接入资源索引示意图。
默认下行信号与随机接入资源之间的关联关系是固定关系,假设一个随机接入周期中随机接入资源所在的时隙有多个,一个时隙中有多个随机接入的时间,一个随机接入的时间在频域上也有多个随机接入资源。
如图4所示,整个随机接入周期时间上有F*K个随机接入资源,对应有K个下行信号,K为大于0的整数。按照(1)中的索引方式,可以先在第一个有随机接入资源的频率上,依次在随机接入资源所在的时隙上确定随机接入资源在这些时隙上的时间t。具体地,先在第一个有随机接入资源的频率上、随机接入资源所在的第一个时隙确定随机资源的时间,再在该第一个有随机接入资源的频率上、随机接入资源所在的第二个时隙确定随机资源的时间,以此类推,将第一个有随机接入资源的频率上所有随机接入资源确定完,再在第二个有随机接入资源的频率上执行同样的操作,直到随机接入周期内所有的随机接入资源确定完毕。
本申请中,随机接入资源是指可以发送随机接入前导的时间、频率。随机接入资源也可以是在随机接入时间、随机接入频率上,由随机接入前导组成的一个或者多个集合。时间可以指子帧、时隙、小时隙(mini-slot)、OFDM符号中的至少一种。其中时间指时隙、小时隙、OFDM符号时,可以基于所在子帧/时隙/小时隙中的上行或者下行数据的子载波确定,也可以基于随机接入前导的子载波确定。例如随机接入前导子载波间隔为15kHz时,对应的时隙为1ms;随机接入前导子载波间隔为15×2 ukHz时,对应的时隙为2 -ums,其中u为子载波间隔的索引。
本申请中,下行信号可以指同步信号块(synchronization signal block,SS block)、信道状态信息参考信号(channel state information reference signal,CSI-RS)中的至少一种。 SS block可以对应一个或多个OFDM符号。SS block中包含以下至少一项:主同步信号(primary synchronization signal,PSS)、辅同步信号(secondary synchronization signal,SSS)、物理广播信号(physical broadcast channel block,PBCH)、解调参考信号(demodulation reference signal,DMRS);SS block也可以称为SS/PBCH block。
本申请中,随机接入周期又称随机接入资源的周期,可以指标准定义的随机接入资源的时间段(time interval);或者指随机接入资源出现的时间周期;或者指关联到同一个下行信号的随机接入资源出现的最小周期。
(2)上述终端根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源,可以为:终端根据当前随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间内频域上确定所述下行信号对应的随机接入资源的频率位置f,再在频率位置f上确定所述下行信号对应的随机接入资源的时间t。
图5为本申请另一实施例提供的随机接入方法中随机接入资源索引示意图。
默认下行信号与随机接入资源之间的关联关系是固定关系,假设一个随机接入周期中随机接入资源所在的时隙有多个,一个时隙中有多个随机接入的时间,一个随机接入的时间在频域上也有多个随机接入资源。
如图5所示,整个随机接入周期时间上有F*K个随机接入资源,对应有K个下行信号,K为大于0的整数。按照(2)中的索引方式,可以先在第一个有随机接入资源的时隙上,第一个随机接入的时间上,确定随机接入资源所在的频率位置,然后在第二个随机接入的时间上,确定随机资源所在的频率位置,直到第一个有随机接入资源的时隙上随机接入资源确定完毕,再在第二个有随机接入资源的时隙上执行同样的步骤,依次进行,直到随机接入周期内所有的随机接入资源确定完毕。
(3)上述终端根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源,可以为:终端根据当前随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的周期内的N个时隙或子帧上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f,N为大于0的整数。这里周期指的是随机接入周期。
图6为本申请另一实施例提供的随机接入方法中随机接入资源索引示意图。
默认下行信号与随机接入资源之间的关联关系是固定关系,假设一个随机接入周期中随机接入资源所在的时隙有多个,一个时隙中有多个随机接入的时间,一个随机接入的时间在频域上也有多个随机接入资源。
在另外的实现方式中,一个随机接入的时间在频域上有F个随机接入资源,所述F为预设值或者网络设备配置值。在另外的实现方式中,所述F根据随机接入前导序列长度、随机接入前导子载波间隔、随机接入前导格式、随机接入资源所在服务小区标识、随机接入资源所在载波频率信息、载波频率范围、业务类型、最大下行信号数量、实际传输的下行信号信息、下行信号关联的随机接入资源数量、随机接入资源周期、下行信号与随机接入资源关联关系、随机接入配置索引和随机接入结构指示信息中的至少一种确定。
如图6所示,整个随机接入周期时间上有F*K个随机接入资源,对应有K个下行 信号,K为大于0的整数。按照(3)中的索引方式,在随机接入周期中,先在N个时隙或子帧上确定随机接入资源的时间t、再在时间t上确定随机接入资源的频率位置f;然后在接下来N个时隙或子帧上确定随机接入资源的时间t、再在时间t上确定随机接入资源的频率位置f,直到随机接入周期中所有时隙上的随机接入资源确定完毕。
需要说明的是,上述相同时间上随机接入资源指的是这些随机接入资源时间t都相同,同一时间上有一个或多个随机接入资源(随机接入机会),不过不以此为限,也可以根据不同时间上的随机接入资源个数。
可选地,本申请中下行信号与随机接入资源的关联关系也可以不固定,可以灵活根据关联关系结合当前随机接入资源的索引方式,确定下行信号对应的随机接入资源。
其中,关联关系又可以称为对应关系、映射规则、映射方式(mapping rule/mapping method/map or mapping association method/association rule),都表示下行信号与随机接入资源的对应关系,即根据下行信号的索引值k可以获取表示该下行信号的随机接入资源(或者随机接入资源的索引),或者根据随机接入资源可以获取该随机接入资源所对应的下行信号。
具体地,关联关系还可以是下述任一种:
1)同一时间上的随机接入资源对应一个下行信号。
即一个时间上的随机接入资源与一个/一类(例如准共址(Quasi-colocation)的多个下行信号)下行信号关联。不同下行信号关联的随机接入资源位于不同时间上。
或者,
2)同一时间上的随机接入资源对应多个下行信号。或者,
即一个时间上的随机接入资源与多个下行信号关联。多个下行信号关联的随机接入资源可以位于相同的时间上。
3)同一时间上的随机接入资源对应所有下行信号。
即所有下行信号关联的随机接入资源可以位于相同的时间上,这种关联关系要求在频域上有足够多的资源。
上述三种关联关系,1)~3)对网络设备的处理能力和/或硬件能力的要求依次增加,相应地时间资源效率也依次提高。具体实现过程中,可以根据网络设备的处理能力和/或硬件能力灵活使用关联关系。例如:在网络设备的处理能力或硬件能力比较弱(小于第一预设阈值)的情况下,网络设备配置1)的关联关系,同时还可以降低实现的复杂度。在网络设备的处理能力或硬件能力一般(位于第一预设阈值和第二预设阈值之间)的情况下,网络设备配置2)的关联关系。在网络设备的处理能力或硬件能力比较强(大于第二预设阈值)的情况下,网络设备配置3)的关联关系。网络设备配置2)和3)还可以节省时间开销。
另外,在配置关联关系1)时,可以配置终端采用图4所示的第(1)种随机接入资源索引方式。在配置关联关系2)时,可以配置终端采用图5所示的第(2)种随机接入资源索引方式。在配置关联关系3)时,可以配置终端采用图6所示的第(3)种随机接入资源索引方式。
在以上实施例中,随机接入时间上随机接入资源所在的频率位置是根据随机接入资源的频率位置、随机接入所在的频带带宽、一个随机接入时间上随机接入资源的数 量M2、随机接入频率资源与时间的对应关系中的至少一个确定。其中上述参数可以是预定义或者预存储或者网络设备信令配置。
另一种可能的实现方式中,终端接收网络设备发送的关联关系指示信息,该关联关系指示信息中携带关联关系的标识。例如可以用两个位标识关联关系,“00”标识关联关系1),“01”标识关联关系2),“10”标识关联关系3),但不以此为限。终端根据网络设备指示的关联关系以及固定的随机接入资源的索引方式,确定下行信号对应的随机接入资源。
举例说明,假设固定的随机接入资源的索引方式为先在随机接入资源所在的时隙上确定随机接入资源的时间t、再在时间t上确定随机接入资源的频率位置f。下行信号的索引k与随机接入资源的索引i可以预先配置好映射关系,例如:
k=mod(i,K),其中,i=0,1,...,FK-1;或者,
Figure PCTCN2018109058-appb-000001
其中,i=0,1,...,FK-1。不过不以这两种映射关系为限。
其中,随机接入资源的索引i可以根据随机接入资源所在的时隙、随机接入的时间、随机接入的频率等价表示,采用上述映射关系,下行信号可以直接关联到随机接入资源的具体时间和频率。例如,图3中随机接入资源0可以由该资源所在的时隙、时隙内的随机接入时间0、随机接入频率0表示;图3中随机接入资源F+1可以由该资源所在的时隙、时隙内的随机接入时间1、随机接入频率1表示。
其他索引方式也可以参照上述映射关系,不再赘述。
上述索引方式可以是预设的,也可以是由网络设备配置的。具体实现时,在终端根据下行信号对应的随机接入资源,向网络设备发送随机接入资源前导之前,终端获取预设的随机接入资源的索引方式;或者,接收网络设备发送的第三指示信息,第三指示信息用于指示所述随机接入资源的索引方式。
进一步地,同一个随机接入资源中可以存在多个随机接入前导,随机接入前导还可以进一步分成多个前导集合,随机接入资源上的多个前导集合可以关联到不同的下行信号。相应地,随机接入资源的索引方式可以是:先确定随机接入前导集合的索引,然后在时间、频率维度上采取以上所说的进行进一步索引。可选地,随机接入前导集合的大小(或者集合中随机接入前导的数量)由网络设备配置指示;可选地,随机接入前导集合的大小预定义或者预存储。同时,形成前导子集的顺序可以按照:根据随机接入前导序列的循环移位形成多个随机接入前导,然后根据根序列顺序依次生成其他随机接入前导,直到所有根序列遍历完毕,或者遍历的根序列数量达到预定义或者预存储或者网络设备配置的数量,或者总共生成的随机接入前导数量达到预定义或者预存储或者网络设备配置的数量,或者总共生成的随机接入前导子集中的随机接入前导的数量达到预定义或者预存储或者网络设备配置的数量。
可选地,可以由网络设备直接通过指示信息向终端指示随机接入资源的时间或者随机接入资源在时隙内的时间结构,那么再进一步确定随机接入资源的频率就可以确定出随机接入资源。
可选地,上述终端根据网络设备下发的随机接入配置索引,确定随机接入资源,可以是:终端根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行 信号块数量、实际传输的下行信号块中一项或多项、以及随机接入配置索引,确定随机接入资源的时间范围。
具体地,可以根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项确定随机接入配置索引与随机接入资源时间范围之间的映射关系,进而根据网络设备指示的随机接入配置索引、以及随机接入配置索引与随机接入资源所在的时隙之间的映射关系,确定随机接入资源的时间范围。
这里时间范围可以指一个时间段,或者多个时间段的集合,或者多个时隙/子帧的集合等,本申请不作限制。
进一步地,如果时间范围是多个时隙/子帧的集合,那么不同的时隙结构或不同的子帧结构,确定随机接入资源所在的时间也不同。
终端根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导之前,终端还可以根据预设的时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定随机接入资源所在的时间。或者,终端接收网络设备发送的第二指示信息,该第二指示信息包括:随机接入时隙或者子帧的结构信息。相应地,终端根据随机接入时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定随机接入资源所在的时间。
在所述随机接入资源的时间范围内确定随机接入资源所在的时间,可以是在随机接入资源的时间范围内确定随机接入资源的具体时间位置,例如随机接入资源所在的某个OFDM符号等。
可知,随机接入子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行块中一项或多项发生变化时,随机接入配置索引与随机接入资源所在的时隙之间的映射关系可能不同。
可选地,终端还可以根据随机接入子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行块中一项或多项、以及随机接入配置索引,确定随机接入前导的格式、系统帧位置等信息。
系统帧(system frame)又称为帧(frame)、无线帧(radio frame)。系统帧时间长度为10ms,包括10个子帧(subframe),每个子帧长度为1ms。一个子帧中包含一个或者多个时隙,具体地,一个子帧中时隙的数量与子载波间隔有关,例如子载波间隔为15kHz(对应的子载波间隔索引为u=0)时,一个子帧只有一个时隙;再例如子载波间隔为15*2 ukHz(对应的子载波间隔索引为u=1~4),一个子帧有2 u个时隙。一个时隙中可以包含14个OFDM符号。系统帧位置可以由系统帧号(system frame number,SFN)表示。在本申请中,κ=64,对应的基本时间单元(basic time unit)为1/(480000×4096)。
随机前导的格式可以是现有标准中下述表1格式中的一种或多种:A0、A1、A2、A3、B0、B1、B2、B3、B4、C0、C2;或者表2中的一种或者多种:0、1、2、3。在实际中,格式A0~C2以及格式0~3还可以是其它称呼,这里不作限定。
具体地,表1为序列长度L=127或者139时的前导格式。
表1
Figure PCTCN2018109058-appb-000002
表2为序列长度L=839时的前导格式
表2
Figure PCTCN2018109058-appb-000003
一种实施方式中,可以根据随机接入子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行块中一项或多项,确定随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式(即随机接入前导格式在一个时隙中的时间位置,又称随机接入时间)、系统帧位置]这个组合之间的映射关系。但不以此为限,可以分别获取随机接入配置索引与随机接入资源所在的时隙、随机接入前导的格式、系统帧位置之间的映射关系。
举例说明,表3、表4为子载波间隔为15千赫兹(kHz),最大下行信号块数量为4时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的一种映射关系。
表3中随机接入资源所在的时隙为连续的时隙。
表3
随机接入配置索引 随机接入前导的格式 系统帧位置 随机接入资源所在的时隙
0 A0 Mod(SFN,4)=0 2
1 A0 Mod(SFN,4)=0 6
2 A0 Mod(SFN,2)=0 2
3 A0 Mod(SFN,2)=0 6
4 A0 所有系统帧 2
5 A0 所有系统帧 6
6 A0 所有系统帧 2,3
7 A0 所有系统帧 6,7
8 A0 所有系统帧 2,3,4,5
9 A0 所有系统帧 6,7,8,9
10 C0 Mod(SFN,4)=0 2
11 C0 Mod(SFN,4)=0 6
12 C0 Mod(SFN,2)=0 2
13 C0 Mod(SFN,2)=0 6
14 C0 所有系统帧 2
15 C0 所有系统帧 6
16 C0 所有系统帧 2,3
17 C0 所有系统帧 6,7
18 C0 所有系统帧 2,3,4,5
19 C0 所有系统帧 6,7,8,9
20 A1/B1 Mod(SFN,4)=0 2
21 A1/B1 Mod(SFN,4)=0 6
22 A1/B1 Mod(SFN,2)=0 2
23 A1/B1 Mod(SFN,2)=0 6
24 A1/B1 所有系统帧 2
25 A1/B1 所有系统帧 6
26 A1/B1 所有系统帧 2,3
27 A1/B1 所有系统帧 6,7
28 A1/B1 所有系统帧 2,3,4,5
29 A1/B1 所有系统帧 6,7,8,9
30 A2/B2 Mod(SFN,8)=0 2,3
31 A2/B2 Mod(SFN,8)=0 6,7
32 A2/B2 Mod(SFN,4)=0 2,3
33 A2/B2 Mod(SFN,4)=0 6,7
34 A2/B2 Mod(SFN,2)=0 2,3
35 A2/B2 Mod(SFN,2)=0 6,7
36 A2/B2 所有系统帧 2,3
37 A2/B2 所有系统帧 6,7
38 A2/B2 所有系统帧 2,3,4,5
39 A2/B2 所有系统帧 6,7,8,9
40 C2 Mod(SFN,8)=0 2,3
41 C2 Mod(SFN,8)=0 6,7
42 C2 Mod(SFN,4)=0 2,3
43 C2 Mod(SFN,4)=0 6,7
44 C2 Mod(SFN,2)=0 2,3
45 C2 Mod(SFN,2)=0 6,7
46 C2 所有系统帧 2,3
47 C2 所有系统帧 6,7
48 C2 所有系统帧 2,3,4,5
49 C2 所有系统帧 6,7,8,9
50 A3/B3 Mod(SFN,8)=0 2,3
51 A3/B3 Mod(SFN,8)=0 6,7
52 A3/B3 Mod(SFN,4)=0 2,3
53 A3/B3 Mod(SFN,4)=0 6,7
54 A3/B3 Mod(SFN,2)=0 2,3
55 A3/B3 Mod(SFN,2)=0 6,7
56 A3/B3 所有系统帧 2,3
57 A3/B3 所有系统帧 6,7
58 A3/B3 所有系统帧 2,3,4,5
59 A3/B3 所有系统帧 6,7,8,9
60 B4 Mod(SFN,8)=0 2,3,4,5
61 B4 Mod(SFN,4)=0 2,3,4,5
62 B4 Mod(SFN,2)=0 2,3,4,5
63 B4 所有系统帧 2,3,4,5
表4中随机接入资源所在的时隙为非连续的时隙。
表4
随机接入配置索引 随机接入前导的格式 系统帧位置 随机接入资源所在的时隙
0 A0 Mod(SFN,4)=0 2
1 A0 Mod(SFN,4)=0 6
2 A0 Mod(SFN,2)=0 2
3 A0 Mod(SFN,2)=0 6
4 A0 所有系统帧 2
5 A0 所有系统帧 6
6 A0 所有系统帧 2,6
7 A0 所有系统帧 3,7
8 A0 所有系统帧 2,3,4,5
9 A0 所有系统帧 6,7,8,9
10 C0 Mod(SFN,4)=0 2
11 C0 Mod(SFN,4)=0 6
12 C0 Mod(SFN,2)=0 2
13 C0 Mod(SFN,2)=0 6
14 C0 所有系统帧 2
15 C0 所有系统帧 6
16 C0 所有系统帧 2,6
17 C0 所有系统帧 3,7
18 C0 所有系统帧 2,3,4,5
19 C0 所有系统帧 6,7,8,9
20 A1/B1 Mod(SFN,4)=0 2
21 A1/B1 Mod(SFN,4)=0 6
22 A1/B1 Mod(SFN,2)=0 2
23 A1/B1 Mod(SFN,2)=0 6
24 A1/B1 所有系统帧 2
25 A1/B1 所有系统帧 6
26 A1/B1 所有系统帧 2,6
27 A1/B1 所有系统帧 3,7
28 A1/B1 所有系统帧 2,3,4,5
29 A1/B1 所有系统帧 6,7,8,9
30 A2/B2 Mod(SFN,8)=0 2,6
31 A2/B2 Mod(SFN,8)=0 3,7
32 A2/B2 Mod(SFN,4)=0 2,6
33 A2/B2 Mod(SFN,4)=0 3,7
34 A2/B2 Mod(SFN,2)=0 2,6
35 A2/B2 Mod(SFN,2)=0 3,7
36 A2/B2 所有系统帧 2,6
37 A2/B2 所有系统帧 3,7
38 A2/B2 所有系统帧 2,3,4,5
39 A2/B2 所有系统帧 6,7,8,9
40 C2 Mod(SFN,8)=0 2,6
41 C2 Mod(SFN,8)=0 3,7
42 C2 Mod(SFN,4)=0 2,6
43 C2 Mod(SFN,4)=0 3,7
44 C2 Mod(SFN,2)=0 2,6
45 C2 Mod(SFN,2)=0 3,7
46 C2 所有系统帧 2,6
47 C2 所有系统帧 3,7
48 C2 所有系统帧 2,3,4,5
49 C2 所有系统帧 6,7,8,9
50 A3/B3 Mod(SFN,8)=0 2,6
51 A3/B3 Mod(SFN,8)=0 3,7
52 A3/B3 Mod(SFN,4)=0 2,6
53 A3/B3 Mod(SFN,4)=0 3,7
54 A3/B3 Mod(SFN,2)=0 2,6
55 A3/B3 Mod(SFN,2)=0 3,7
56 A3/B3 所有系统帧 2,6
57 A3/B3 所有系统帧 3,7
58 A3/B3 所有系统帧 2,3,4,5
59 A3/B3 所有系统帧 6,7,8,9
60 B4 Mod(SFN,8)=0 2,3,4,5
61 B4 Mod(SFN,4)=0 2,3,4,5
62 B4 Mod(SFN,2)=0 2,3,4,5
63 B4 所有系统帧 2,3,4,5
这种情况下下行信号块需要占用2毫秒(ms),那么系统帧中下行信号块所在的时间不能放置随机接入资源。例如下行信号块位于0、1号时隙,那么随机接入资源位于2~9号时隙中的一个或多个。又例如下行信号块位于2、3号时隙,那么随机接入资源位于0、1、4~9号时隙中的一个或多个。在此不具体限制。
在一种实现方式中,同一个随机接入前导格式,在相同的随机接入资源时间密度(或者随机接入资源周期)下,最多有两个不同随机接入配置索引,且两个随机接入配置索引对应的系统帧、时隙、随机接入资源在时隙中的时间中的至少一项不完全相同或者完全不同。例如,系统帧的位置相同,但是时隙位置和/或者随机接入资源在时隙中的OFDM符号位置不相同;再例如,时隙位置的位置相同,但是系统帧和/或随机接入资源在时隙中的OFDM符号位置不相同;再例如,随机接入资源在时隙中的OFDM符号位置相同,但是系统帧和/或时隙的位置相同。所述时间密度相同,是指在相同的时间间隔内,随机接入资源的数量一样多,例如所述时间间隔是5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms中的一种。例如表3和表4中随机接入配置索引0和随机接入配置索引1的随机接入资源时间密度相同(即每8个系统帧中出现一个时隙),系统帧位置相同,但是在时隙位置不相同。以下实施例中也类似,不再赘述。
随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系除了与“随机接入子载波间隔、最大下行信号块数量、实际传输的下行块中一项或多项”相关,还可以与随机接入资源的最大时间周期、下行信号的时隙相关。随机接入资源的最大时间周期可以是下述任一种:5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms。在随机接入资源的最大时间周期为80ms、和/或、下行信号的时隙为0、1号时隙时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系如表3或表4所示。在下行信号的时隙为其他时隙时,随机接入资源所在的时隙也可以发生变更,与下行信号的时隙不重合即可。
上述表格中的时隙、系统帧均为示例,并不以表中为限。例如上述表3、表4中的Mod(SFN,8)=0表示整除8的系统帧号,均可替换为Mod(SFN,8)=1、Mod(SFN,8)=2、Mod(SFN,8)=3、Mod(SFN,8)=4、Mod(SFN,8)=5、Mod(SFN,8)=6、Mod(SFN,8)=7中任一个。又例如上述表3、表4中,Mod(SFN,4)=0均可替换为Mod(SFN,4) =1、Mod(SFN,4)=2、Mod(SFN,4)=3中任一个。再例如上述表3、表4中Mod(SFN,2)=0均可替换为Mod(SFN,2)=1等。
类似地,随机接入资源所在的时隙也不限于表3、表4,例如表4中随机接入配置索引为“6”时,对应的随机接入资源所在的时隙为“2、6”,但在下行信号的时隙为0、1号时隙的场景下,随机接入资源所在的时隙可以取2~9中任意1个或多个时隙,例如除了“2、6”之外还可以取3~9号时隙中任意两个不同的值(x1、x2)。
又例如表4中随机接入配置索引为“8”时,对应的随机接入资源所在的时隙为“2、3、4、5”,实际可以取2~9中任意4个不同的值x1,x2,x3,x4,或者任意取其中两两组合的时隙,例如(x1,x2)和(x3,x4)。
随机接入配置索引不同,对应的时隙存在不同,例如第一个随机接入配置索引对应的时隙表示为(x1,x2,x3,x4)、第一个随机接入配置索引对应的时隙表示为(y1,y2,y3,y4),其中(x1,x2,x3,x4)、(y1,y2,y3,y4)由3~9中的任意4个不相同的数值,且(x1,x2,x3,x4)与(y1,y2,y3,y4)两组数字中,最多有3个数字相同。在另外的实施方式中,x1与x2、x3与x4、和/或者x2与x3之间等间隔分布,例如:x2=x1+a,x4=x3+a,和/或者x3=x2+a,其中a可以取1~4之间任意整数;类似地,y1与y2、y3与y4、和/或者y2与y3之间等间隔分布,例如:y2=y1+b,y4=y3+b,和/或者y3=y2+b。
在另外的实现方式中,如果下行和上行采取不同的频率(或频段),即频分方式进行上行和下行通信,则所述x1~x4、y1~y4可以取0~9之间的任意的值,具体取法与上述方法一样,这里不再赘述。
举例说明,表5、表6为子载波间隔为15千赫兹(kHz),最大下行信号块数量为8时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的一种映射关系。
表5中随机接入资源所在的时隙为连续的时隙。
表5
Figure PCTCN2018109058-appb-000004
Figure PCTCN2018109058-appb-000005
Figure PCTCN2018109058-appb-000006
表6中随机接入资源所在的时隙为非连续的时隙。
表6
Figure PCTCN2018109058-appb-000007
Figure PCTCN2018109058-appb-000008
Figure PCTCN2018109058-appb-000009
这种情况下下行信号块需要占用4毫秒(ms),那么系统帧中下行信号块所在的时间不能放置随机接入资源。例如下行信号块位于0~3号时隙,那么随机接入资源位于4~9号时隙中的一个或多个。
在一种实现方式中,同一个随机接入前导格式,在相同的随机接入资源时间密度(或者随机接入资源周期)下,最多有两个不同随机接入配置索引,且两个随机接入配置索引对应的系统帧、时隙、随机接入资源在时隙中的时间中的至少一项不完全相同或者完全不同。例如,系统帧的位置相同,但是时隙位置和/或者随机接入资源在时隙中的OFDM符号位置不相同;再例如,时隙位置的位置相同,但是系统帧和/或随机接入资源在时隙中的OFDM符号位置不相同;再例如,随机接入资源在时隙中的OFDM符号位置相同,但是系统帧和/或时隙的位置相同。所述时间密度相同,是指在相同的时间间隔内,随机接入资源的数量一样多,例如所述时间间隔是5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms中的一种。例如表5和表6中随机接入配置索引0和随机接入配置索引1的随机接入资源时间密度相同(即每8个系统帧中出现一个时隙),系统帧位置相同,但是在时隙位置不相同。
随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系除了与“随机接入子载波间隔、最大下行信号块数量、实际传输的下行块中一项或多项”相关,还可以与随机接入资源的最大时间周期、下行信号的时隙相关。随机接入资源的最大时间周期可以是下述任一种:5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms。在随机接入资源的最大时间周期为80ms、和/或、下行信号的时隙为0~3号时隙时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系如表3或表4所示。在下行信号的时隙为其他时隙时,随机接入资源所在的时隙也可以发生变更,与下行信号的时隙不重合即可。
上述表格中的时隙、系统帧均为示例,并不以表中为限。其具体替换可以参见表3、 表4的描述,在此不再赘述。
类似地,随机接入资源所在的时隙也不限于表5、表6,其具体替换也可以参见表3、表4的描述,在此不再赘述。
在另外的实施例中,随机接入配置索引58~63对应的时隙索引可以为其它值。例如随机接入配置索引为58时,系统帧位置Mod(SFN,8)=1时,时隙位置与Mod(SFN,8)=0时相同,且为4,5,6,7;随机接入配置索引为59时,系统帧位置Mod(SFN,8)=1时,时隙位置与Mod(SFN,8)=0时相同,且为6,7,8,9。类似地,随机接入配置索引60和61,62和63也可以有类似的操作。
表格表3、表4、表5、表6中的时隙位置是基于子载波间隔是15kHz的时隙长度。在另外的实施例中,上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同,因此各自对应的时隙长度会不一样。在上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同时,这些表格中的时隙可以基于随机接入前导的子载波间隔对应的时隙,也可以基于上行或者下行数据的子载波间隔对应的时隙。或者网络设备配置指示信息Flag,Flag=0时,对应前一种方式,Flag=1时,对应后一种方式。当随机接入资源配置表格中的时隙是基于上行或者下行数据的子载波间隔对应的时隙、且上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同时,表3、表4、表5、表6中的时隙位置索引、持续时隙数、以及时隙中的随机接入前导构成中至少一项可以进一步调整,从而使得网络设备与终端侧的随机接入资源的时间和上行/下行数据的时间对齐。
例如,上行或者下行数据为30kHz时,表3、表4、表5、表6中的任意一个时隙索引可以对应2个连续的30kHz的时隙,对应的时隙索引和/或者持续时隙数进行缩放,即如果随机接入前导所在15kHz时隙索引为k,则调整为30kHz的时隙索引为时隙2k以及2k+1。即保持随机接入资源的绝对时间不变。此时,时隙内的随机接入前导构成可以进一步调整,例如,一个15kHz时隙长度中随机接入前导的构成结构可以是基于k和k+1连续2个30kHz的时隙长度;再例如新的两个30kHz的时隙k和k+1,各自对应半个15Hz的时隙(即7个15kHz的OFDM符号,此时,相当于在表16,表17,表18,表19,表20,表21中,将下行信号数量小于7个15kHz OFDM符号的构成方式排除后,任意一种随机接入资源数量足够的结构即可)。以上调整的方式和方法可以预先定义/预存储,或者由网络设备指示(例如指示Flag=0时,对应前一种方式;Flag=1时,对应后一种调整方式)。
类似地,上行或者下行数据为60kHz时有对应的调整,这里不再赘述。
举例说明,表7、表8为子载波间隔为30kHz,最大下行信号块数量为4时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的一种映射关系。
表7中随机接入资源所在的时隙为连续的时隙。
表7
随机接入配置索引 随机接入前导的格式 系统帧位置 随机接入资源所在的时隙
0 A0 Mod(SFN,4)=0 4
1 A0 Mod(SFN,4)=0 12
2 A0 Mod(SFN,2)=0 4
3 A0 Mod(SFN,2)=0 12
4 A0 所有系统帧 4
5 A0 所有系统帧 12
6 A0 所有系统帧 4,5
7 A0 所有系统帧 12,13
8 A0 所有系统帧 4,5,6,7
9 A0 所有系统帧 12,13,14,15
10 C0 Mod(SFN,4)=0 4
11 C0 Mod(SFN,4)=0 12
12 C0 Mod(SFN,2)=0 4
13 C0 Mod(SFN,2)=0 12
14 C0 所有系统帧 4
15 C0 所有系统帧 12
16 C0 所有系统帧 4,5
17 C0 所有系统帧 12,13
18 C0 所有系统帧 4,5,6,7
19 C0 所有系统帧 12,13,14,15
20 A1/B1 Mod(SFN,4)=0 4
21 A1/B1 Mod(SFN,4)=0 12
22 A1/B1 Mod(SFN,2)=0 4
23 A1/B1 Mod(SFN,2)=0 12
24 A1/B1 所有系统帧 4
25 A1/B1 所有系统帧 12
26 A1/B1 所有系统帧 4,5
27 A1/B1 所有系统帧 12,13
28 A1/B1 所有系统帧 4,5,6,7
29 A1/B1 所有系统帧 12,13,14,15
30 A2/B2 Mod(SFN,8)=0 4,5
31 A2/B2 Mod(SFN,8)=0 12,13
32 A2/B2 Mod(SFN,4)=0 4,5
33 A2/B2 Mod(SFN,4)=0 12,13
34 A2/B2 Mod(SFN,2)=0 4,5
35 A2/B2 Mod(SFN,2)=0 12,13
36 A2/B2 所有系统帧 4,5
37 A2/B2 所有系统帧 12,13
38 A2/B2 所有系统帧 4,5,6,7
39 A2/B2 所有系统帧 12,13,14,15
40 C2 Mod(SFN,8)=0 4,5
41 C2 Mod(SFN,8)=0 12,13
42 C2 Mod(SFN,4)=0 4,5
43 C2 Mod(SFN,4)=0 12,13
44 C2 Mod(SFN,2)=0 4,5
45 C2 Mod(SFN,2)=0 12,13
46 C2 所有系统帧 4,5
47 C2 所有系统帧 12,13
48 C2 所有系统帧 4,5,6,7
49 C2 所有系统帧 12,13,14,15
50 A3/B3 Mod(SFN,8)=0 4,5
51 A3/B3 Mod(SFN,8)=0 12,13
52 A3/B3 Mod(SFN,4)=0 4,5
53 A3/B3 Mod(SFN,4)=0 12,13
54 A3/B3 Mod(SFN,2)=0 4,5
55 A3/B3 Mod(SFN,2)=0 12,13
56 A3/B3 所有系统帧 4,5
57 A3/B3 所有系统帧 12,13
58 A3/B3 所有系统帧 4,5,6,7
59 A3/B3 所有系统帧 12,13,14,15
60 B4 Mod(SFN,8)=0 4,5,6,7
61 B4 Mod(SFN,4)=0 4,5,6,7
62 B4 Mod(SFN,2)=0 4,5,6,7
63 B4 所有系统帧 4,5,6,7
表8中随机接入资源所在的时隙为非连续的时隙。
表8
随机接入配置索引 随机接入前导的格式 系统帧位置 随机接入资源所在的时隙
0 A0 Mod(SFN,4)=0 4
1 A0 Mod(SFN,4)=0 12
2 A0 Mod(SFN,2)=0 4
3 A0 Mod(SFN,2)=0 12
4 A0 所有系统帧 4
5 A0 所有系统帧 12
6 A0 所有系统帧 4,12
7 A0 所有系统帧 5,13
8 A0 所有系统帧 4,8,12,16
9 A0 所有系统帧 6,10,14,18
10 C0 Mod(SFN,4)=0 4
11 C0 Mod(SFN,4)=0 12
12 C0 Mod(SFN,2)=0 4
13 C0 Mod(SFN,2)=0 12
14 C0 所有系统帧 4
15 C0 所有系统帧 12
16 C0 所有系统帧 4,12
17 C0 所有系统帧 5,13
18 C0 所有系统帧 4,8,12,16
19 C0 所有系统帧 6,10,14,18
20 A1/B1 Mod(SFN,4)=0 4
21 A1/B1 Mod(SFN,4)=0 12
22 A1/B1 Mod(SFN,2)=0 4
23 A1/B1 Mod(SFN,2)=0 12
24 A1/B1 所有系统帧 4
25 A1/B1 所有系统帧 12
26 A1/B1 所有系统帧 4,12
27 A1/B1 所有系统帧 5,13
28 A1/B1 所有系统帧 4,8,12,16
29 A1/B1 所有系统帧 6,10,14,18
30 A2/B2 Mod(SFN,8)=0 4,12
31 A2/B2 Mod(SFN,8)=0 5,13
32 A2/B2 Mod(SFN,4)=0 4,12
33 A2/B2 Mod(SFN,4)=0 5,13
34 A2/B2 Mod(SFN,2)=0 4,12
35 A2/B2 Mod(SFN,2)=0 5,13
36 A2/B2 所有系统帧 4,12
37 A2/B2 所有系统帧 5,13
38 A2/B2 所有系统帧 4,8,12,16
39 A2/B2 所有系统帧 6,10,14,18
40 C2 Mod(SFN,8)=0 4,12
41 C2 Mod(SFN,8)=0 5,13
42 C2 Mod(SFN,4)=0 4,12
43 C2 Mod(SFN,4)=0 5,13
44 C2 Mod(SFN,2)=0 4,12
45 C2 Mod(SFN,2)=0 5,13
46 C2 所有系统帧 4,12
47 C2 所有系统帧 5,13
48 C2 所有系统帧 4,8,12,16
49 C2 所有系统帧 6,10,14,18
50 A3/B3 Mod(SFN,8)=0 4,12
51 A3/B3 Mod(SFN,8)=0 5,13
52 A3/B3 Mod(SFN,4)=0 4,12
53 A3/B3 Mod(SFN,4)=0 5,13
54 A3/B3 Mod(SFN,2)=0 4,12
55 A3/B3 Mod(SFN,2)=0 5,13
56 A3/B3 所有系统帧 4,12
57 A3/B3 所有系统帧 5,13
58 A3/B3 所有系统帧 4,8,12,16
59 A3/B3 所有系统帧 6,10,14,18
60 B4 Mod(SFN,8)=0 4,8,12,16
61 B4 Mod(SFN,4)=0 4,8,12,16
62 B4 Mod(SFN,2)=0 4,8,12,16
63 B4 所有系统帧 4,8,12,16
这种情况下下行信号块需要占用4毫秒(ms),那么系统帧中下行信号块所在的时间不能放置随机接入资源。另外,对于子载波间隔为30kHz的场景,还有考虑到与子载波间隔为15kHz的场景共存,不放置随机接入资源的时间长度为2ms。例如下行信号块位于0~1号时隙,那么随机接入资源位于5~19号时隙中的一个或多个。又例如下行信号块位于2~3号时隙,那么随机接入资源位于0、1、6~19号时隙中的一个或多个。
在一种实现方式中,同一个随机接入前导格式,在相同的随机接入资源时间密度(或者随机接入资源周期)下,最多有两个不同随机接入配置索引,且两个随机接入配置索引对应的系统帧、时隙、随机接入资源在时隙中的时间中的至少一项不完全相同或者完全不同。例如,系统帧的位置相同,但是时隙位置和/或者随机接入资源在时隙中的OFDM符号位置不相同;再例如,时隙位置的位置相同,但是系统帧和/或随机接入资源在时隙中的OFDM符号位置不相同;再例如,随机接入资源在时隙中的OFDM符号位置相同,但是系统帧和/或时隙的位置相同。所述时间密度相同,是指在相同的时间间隔内,随机接入资源的数量一样多,例如所述时间间隔是5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms中的一种。例如表7和表8中随机接入配置索引0和随机接入配置索引1的随机接入资源时间密度相同(即每8个系统帧中出现一个时隙),系统帧位置相同,但是在时隙位置不相同。
随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系除了与“随机接入子载波间隔、最大下行信号块数量、实际传输的下行块中一项或多项”相关,还可以与随机接入资源的最大时间周期、下行信号的时隙相关。随机接入资源的最大时间周期可以是下述任一种:5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms。在随机接入资源的最大时间周期为80ms、和/或、下行信号的时隙为0~1号时隙时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系如表5或表6所示。在下 行信号的时隙为其他时隙时,随机接入资源所在的时隙也可以发生变更,与下行信号的时隙不重合即可。
上述表格中的时隙、系统帧均为示例,并不以表中为限。其具体替换可以参见表3、表4的描述,在此不再赘述。
类似地,随机接入资源所在的时隙也不限于表7、表8,其具体替换也可以参见表3、表4的描述,在此不再赘述。
在另外的实施例中,随机接入配置索引58~63对应的时隙索引可以为其它值。例如随机接入配置索引为58时,系统帧位置Mod(SFN,8)=1时,时隙位置与Mod(SFN,8)=0时相同,且为8,9,10,11;随机接入配置索引为59时,系统帧位置Mod(SFN,8)=1时,时隙位置与Mod(SFN,8)=0时相同,且为14,15,16,17。类似地,60和61,62和63也可以有类似的操作。
表格表7、表8、表9和表10中的时隙位置是基于子载波间隔是30kHz的时隙长度。在另外的实施例中,上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同,因此各自对应的时隙长度会不一样。在上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同时,随机接入资源配置表格中的时隙可以基于随机接入前导的子载波间隔对应的时隙,也可以基于上行或者下行数据的子载波间隔对应的时隙。或者网络设备配置指示信息Flag,Flag=0时,对应前一种方式,Flag=1时,对应后一种方式。当随机接入资源配置表格中的时隙是基于上行或者下行数据的子载波间隔对应的时隙、且上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同时,表7、表8、表9、和表10中的时隙位置索引、持续时隙数、以及时隙中的随机接入前导构成中至少一项可以进一步调整,从而使得网络设备与终端侧的随机接入资源的时间和上行/下行数据的时间对齐。
例如,上行或者下行数据为60kHz时,表7、表8、表9和表10中的任意一个时隙索引可以对应2个连续的60kHz的时隙,对应的时隙索引和/或者持续时隙数进行缩放,即如果随机接入前导所在30kHz时隙索引为k,则调整为60kHz的时隙索引为时隙2k以及2k+1。即保持随机接入资源的绝对时间不变。此时,时隙内的随机接入前导构成可以进一步调整,例如,一个30kHz时隙长度中随机接入前导的构成结构可以是基于k和k+1连续2个60kHz的时隙长度;再例如新的两个60kHz的时隙k和k+1,各自对应半个30Hz的时隙(即7个30kHz的OFDM符号,此时,相当于在表16,表17,表18,表19,表20,表21中,将下行信号数量小于7个30kHz OFDM符号的构成方式排除后,任意一种随机接入资源数量足够的结构即可)。以上调整的方式和方法可以预先定义/预存储,或者由网络设备指示(例如指示Flag=0时,对应前一种方式;Flag=1时,对应后一种调整方式)。
例如,上行或者下行数据为15kHz时,表7、表8、表9和表10中的任意一个时隙索引可以对应半个的15kHz的时隙,对应的时隙索引和/或者持续时隙数进行缩放,即如果随机接入前导所在30kHz时隙索引为k,则调整为半个15kHz的时隙;或者如果随机接入前导所在有连续两个30kHz时隙索引k以及k+1,则调整为一个15kHz的时隙。即保持随机接入资源的绝对时间不变。此时,时隙内的随机接入前导构成可以进一步调整,例如,一个15kHz时隙长度中随机接入前导的构成结构可以是基于k和 k+1连续2个30kHz的时隙长度;再例如半个15kHz的时隙时隙对应一个30Hz的时隙。以上调整的方式和方法可以预先定义/预存储,或者由网络设备指示(例如指示Flag=0时,对应前一种方式;Flag=1时,对应后一种调整方式)。
实施例4:举例说明,表9、表10为子载波间隔为30kHz,最大下行信号块数量为8时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的一种映射关系。
表9中随机接入资源所在的时隙为连续的时隙。
表9
Figure PCTCN2018109058-appb-000010
Figure PCTCN2018109058-appb-000011
Figure PCTCN2018109058-appb-000012
表10中随机接入资源所在的时隙为非连续的时隙。
表10
Figure PCTCN2018109058-appb-000013
Figure PCTCN2018109058-appb-000014
Figure PCTCN2018109058-appb-000015
这种情况下下行信号块需要占用2毫秒(ms),那么系统帧中下行信号块所在的时间不能放置随机接入资源。另外,对于子载波间隔为30kHz的场景,还有考虑到与子载波间隔为15kHz的场景共存,不放置随机接入资源的时间长度为2ms。例如下行信号块位于0~3号时隙,那么随机接入资源位于8~19号时隙中的一个或多个。又例如下行信号块位于4~7号时隙,那么随机接入资源位于0、1、2、3、12~19号时隙中的一个或多个。
在一种实现方式中,同一个随机接入前导格式,在相同的随机接入资源时间密度(或者随机接入资源周期)下,最多有两个不同随机接入配置索引,且两个随机接入配置索引对应的系统帧、时隙、随机接入资源在时隙中的时间中的至少一项不完全相同或者完全不同。例如,系统帧的位置相同,但是时隙位置和/或者随机接入资源在时隙中的OFDM符号位置不相同;再例如,时隙位置的位置相同,但是系统帧和/或随机接入资源在时隙中的OFDM符号位置不相同;再例如,随机接入资源在时隙中的OFDM符号位置相同,但是系统帧和/或时隙的位置相同。所述时间密度相同,是指在相同的时间间隔内,随机接入资源的数量一样多,例如所述时间间隔是5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms中的一种。例如表9和表10中随机接入配置索引0和随机接入配置索引1的随机接入资源时间密度相同(即每8个系统帧中出现一个时隙),系统帧位置相同,但是在时隙位置不相同。
随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系除了与“随机接入子载波间隔、最大下行信号块数量、实际传输的下行块中一项或多项”相关,还可以与随机接入资源的最大时间周期、下行信号的时隙相关。随机接入资源的最大时间周期可以是下述任一种:5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms。在随机接入资源的最大时间周期为80ms、和/或、下行信号的时隙为0~3号时隙时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系如表9或表10所示。在下行信号的时隙为其他时隙时,随机接入资源所在的时隙也可以发生变更,与下行信号的时隙不重合即可。
上述表格中的时隙、系统帧均为示例,并不以表中为限。其具体替换可以参见表3、表4的描述,在此不再赘述。
类似地,随机接入资源所在的时隙也不限于表9、表10,其具体替换也可以参见表3、表4的描述,在此不再赘述。
在另外的实施例中,随机接入配置索引58~63对应的时隙索引可以为其它值。例如表11中随机接入配置索引为58时,系统帧位置Mod(SFN,16)=1时,时隙位置与Mod(SFN,16)=0时不相同,且为24~39;随机接入配置索引为59时,系统帧位置Mod(SFN,16)=0时,时隙位置与Mod(SFN,16)=1时不相同,且为24~39。类似的,Mod(SFN,16)=0,Mod(SFN,16)=1,Mod(SFN,16)=2和Mod(SFN,16)=3任意多个可以作类似调整,这里不再赘述。
再例如,表12中,随机接入配置索引为58时,系统帧位置Mod(SFN,16)=1时, 时隙位置与Mod(SFN,16)=0时不相同,且为8~39;随机接入配置索引为59时,系统帧位置Mod(SFN,16)=0时,时隙位置与Mod(SFN,16)=1时不相同,且为8~39。类似地,60和61,62和63也可以有类似的操作。
表格表11和表12中的时隙位置是基于子载波间隔是60kHz的时隙长度。在另外的实施例中,上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同,因此各自对应的时隙长度会不一样。在上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同时,随机接入资源配置表格中的时隙可以基于随机接入前导的子载波间隔对应的时隙,也可以基于上行或者下行数据的子载波间隔对应的时隙。或者网络设备配置指示信息Flag,Flag=0时,对应前一种方式,Flag=1时,对应后一种方式。当随机接入资源配置表格中的时隙是基于上行或者下行数据的子载波间隔对应的时隙、且上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同时,表11和表12中的时隙位置索引、持续时隙数、以及时隙中的随机接入前导构成中至少一项可以进一步调整,从而使得网络设备与终端侧的随机接入资源的时间和上行/下行数据的时间对齐。
例如,上行或者下行数据为120kHz时,表11和表12中的任意一个时隙索引可以对应2个连续的120kHz的时隙,对应的时隙索引和/或者持续时隙数进行缩放,即如果随机接入前导所在60kHz时隙索引为k,则调整为60kHz的时隙索引为时隙2k以及2k+1。即保持随机接入资源的绝对时间不变。此时,时隙内的随机接入前导构成可以进一步调整,例如,一个60kHz时隙长度中随机接入前导的构成结构可以是k和k+1连续2个120kHz的时隙长度;再例如新的两个120kHz的时隙k和k+1,各自对应半个60Hz的时隙(即7个60kHz的OFDM符号,此时,相当于在表16,表17,表18,表19,表20,表21中,将下行信号数量小于7个60kHz OFDM符号的构成方式排除后,任意一种随机接入资源数量足够的结构即可)。以上调整的方式和方法可以预先定义/预存储,或者由网络设备指示(例如指示Flag=0时,对应前一种方式;Flag=1时,对应后一种调整方式)。
例如,上行或者下行数据为30kHz时,表11和表12中的任意一个时隙索引可以对应半个的30kHz的时隙,对应的时隙索引和/或者持续时隙数进行缩放,即如果随机接入前导所在60kHz时隙索引为k,则调整为半个30kHz的时隙;或者如果随机接入前导所在有连续两个60kHz时隙索引2k以及2k+1,则调整为一个30kHz的时隙。即保持随机接入资源的绝对时间不变。此时,时隙内的随机接入前导构成可以进一步调整,例如,一个30kHz时隙长度中随机接入前导的构成结构可以是基于时隙k和k+1连续2个60kHz的时隙长度;再例如半个30kHz的时隙时隙对应一个60Hz的时隙。以上调整的方式和方法可以预先定义/预存储,或者由网络设备指示(例如指示Flag=0时,对应前一种方式;Flag=1时,对应后一种调整方式)。
例如,上行或者下行数据为15kHz时,表11和表12中的任意一个时隙索引可以对应1/4个的15kHz的时隙(例如2~4个15kHz的OFDM符号),对应的时隙索引和/或者持续时隙数进行缩放,即如果随机接入前导所在60kHz时隙索引为k,则调整为1/4个15kHz的时隙;或者如果随机接入前导所在有连续两个60kHz时隙索引k以及k+1,则调整为一个15kHz的时隙;或者如果随机接入前导所在有连续四个60kHz时 隙索引k~k+3,则调整为一个15kHz的时隙。即保持随机接入资源的绝对时间不变。此时,时隙内的随机接入前导构成可以进一步调整,例如,一个15kHz时隙长度中随机接入前导的构成结构可以是k~k+3连续4个60kHz的时隙长度;再例如半个15kHz时隙长度中随机接入前导的构成结构可以是k~k+1连续2个60kHz的时隙长度;再例如1/4个15kHz的时隙时隙对应一个60Hz的时隙。以上调整的方式和方法可以预先定义/预存储,或者由网络设备指示(例如指示Flag=0时,对应第一种方式;Flag=1时,对应第二种调整方式;Flag=2时,对应第三种调整方式)。
实施例5:举例说明,表11、表12为子载波间隔为60kHz,最大下行信号块数量为64时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的一种映射关系。
表11中随机接入资源放置在20~29号时隙中一个或多个。
表11
Figure PCTCN2018109058-appb-000016
Figure PCTCN2018109058-appb-000017
Figure PCTCN2018109058-appb-000018
表12中系统帧中所有位置都可以放置随机接入资源。
表12
Figure PCTCN2018109058-appb-000019
Figure PCTCN2018109058-appb-000020
Figure PCTCN2018109058-appb-000021
子载波间隔为60kHz,最大下行信号块数量为64时,对应的下行信号块需要占用5ms。
在一种实施方式中,上行和下行在同频段上采取时分的方式,系统帧中下行信号块所在的时间不能放置随机接入资源。例如,下行信号块位于0~19号时隙时,那么随机接入资源位于20~39号时隙中的一个或多个;又例如,下行信号块位于20~39号时隙时,则随机接入资源位于0~19号时隙中的一个或多个。
在一种实现方式中,同一个随机接入前导格式,在相同的随机接入资源时间密度(或者随机接入资源周期)下,最多有两个不同随机接入配置索引,且两个随机接入配置索引对应的系统帧、时隙、随机接入资源在时隙中的时间中的至少一项不完全相同或者完全不同。例如,系统帧的位置相同,但是时隙位置和/或者随机接入资源在时隙中的OFDM符号位置不相同;再例如,时隙位置的位置相同,但是系统帧和/或随机接入资源在时隙中的OFDM符号位置不相同;再例如,随机接入资源在时隙中的OFDM符号位置相同,但是系统帧和/或时隙的位置相同。所述时间密度相同,是指在相同的时间间隔内,随机接入资源的数量一样多,例如所述时间间隔是5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms中的一种。例如表11和表12中随机接入配置索引0和随机接入配置索引1的随机接入资源时间密度相同(即每8个系统帧 中出现一个时隙),系统帧位置相同,但是在时隙位置不相同。
在另外一种实施方式中,上行与下行采取不同频段。由于上行与下行位于不同的频段,因此系统帧中所有时间位置都可以放置随机接入资源。
可选地,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系除了与“随机接入子载波间隔、最大下行信号块数量、实际传输的下行块中一项或多项”相关,还可以与随机接入资源的最大时间周期、下行信号的时隙相关。随机接入资源的最大时间周期可以是下述任一种:5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms。在随机接入资源的最大时间周期为160ms、下行信号的时隙为0~19号时隙时,如果上行和下行在同频段上采取时分的方式,那么随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系如表11所示;如果上行与下行采取不同频段,那么随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系如表12所示。
上述表格中的时隙、系统帧均为示例,并不以表中为限。例如上述表11、表12中的Mod(SFN,16)=0均可替换为Mod(SFN,16)=1~15中任一个。又例如上述表11、表12中,Mod(SFN,8)=0均可替换为Mod(SFN,8)=1~7中任一个。其余类似,即前述实施例中,Mod(SFN,Q)=0均可替换为Mod(SFN,Q)=1~(Q-1)中任一个,Q为大于0的整数,不再赘述。
类似地,随机接入资源所在的时隙也不限于表11、表12。例如表11中,随机接入配置索引为“6”时,对应的随机接入资源所在的时隙为“20~27(表示20到27之间所有整数)”,但在下行和上行在同频段采用时分方式、且在下行信号的时隙为0~19号时隙的场景下,随机接入资源所在的时隙可以取20~39中任意1个或多个时隙,例如可以取20~39号时隙中任意两个不同的值(x1、x2)。这里均可参照前述表格的描述,在此不再赘述。
在下行和上行在同频段采用时分方式的情况下,如果下行信号块映射在其它时隙号,则与前述实施例类似,在下行信号的时隙为其他时隙时,随机接入资源所在的时隙也可以发生变更,与下行信号的时隙不重合即可;或者,或者将本系统帧与下一个系统帧中下行信号块之前的时隙一并映射,对应的时隙号做相应的偏移即可。
举例说明,表13为子载波间隔为120kHz,最大下行信号块数量为64时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的一种映射关系。
表13中随机接入资源放置在40~79号时隙中一个或多个。
表13
Figure PCTCN2018109058-appb-000022
Figure PCTCN2018109058-appb-000023
Figure PCTCN2018109058-appb-000024
子载波间隔为120kHz,最大下行信号块数量为64时,对应的下行信号块需要占用5ms。
在一种实施方式中,上行和下行在同频段上采取时分的方式,系统帧中下行信号块所在的时间不能放置随机接入资源。例如,下行信号块位于0~39号时隙时,那么随机接入资源位于40~79号时隙中的一个或多个;又例如,下行信号块位于40~79号时隙时,则随机接入资源位于0~39号时隙中的一个或多个。
在一种实现方式中,同一个随机接入前导格式,在相同的随机接入资源时间密度(或者随机接入资源周期)下,最多有两个不同随机接入配置索引,且两个随机接入配置索引对应的系统帧、时隙、随机接入资源在时隙中的时间中的至少一项不完全相同或者完全不同。例如,系统帧的位置相同,但是时隙位置和/或者随机接入资源在时隙中的OFDM符号位置不相同;再例如,时隙位置的位置相同,但是系统帧和/或随机接入资源在时隙中的OFDM符号位置不相同;再例如,随机接入资源在时隙中的 OFDM符号位置相同,但是系统帧和/或时隙的位置相同。所述时间密度相同,是指在相同的时间间隔内,随机接入资源的数量一样多,例如所述时间间隔是5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms中的一种。例如表13中随机接入配置索引0和随机接入配置索引1的随机接入资源时间密度相同(即每8个系统帧中出现一个时隙),系统帧位置相同,但是在时隙位置不相同。在另外一种实施方式中,上行与下行采取不同频段。由于上行与下行位于不同的频段,因此系统帧中所有时间位置都可以放置随机接入资源。
可选地,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系除了与“随机接入子载波间隔、最大下行信号块数量、实际传输的下行块中一项或多项”相关,还可以与随机接入资源的最大时间周期、下行信号的时隙相关。随机接入资源的最大时间周期可以是下述任一种:5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms。在随机接入资源的最大时间周期为160ms、下行信号的时隙为0~39号时隙时,如果上行和下行在同频段上采取时分的方式,那么随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系如表13所示。
上述表格中的时隙、系统帧均为示例,并不以表中为限。例如上述表13中的Mod(SFN,16)=0均可替换为Mod(SFN,16)=1~15中任一个。又例如上述表13中,Mod(SFN,8)=0均可替换为Mod(SFN,8)=1~7中任一个。其余类似,即前述实施例中,Mod(SFN,Q)=0均可替换为Mod(SFN,Q)=1~(Q-1)中任一个,Q为大于0的整数,不再赘述。
在另外的实施例中,表13中时隙号位置可以是其它值。例如,表格中相同前导格式以及系统帧位置时的两个配置值,如果时隙号位置分别为40~47和56~63(a~b表示从a到b之间的所有整数,例如20~27表示20,21,22,23,24,25,26,27),可以为其它值,例如40~79中任意16个不相同的值x1~x8和y1~y8;如果时隙号位置为40~55,可以为其它值,例如40~79中任意16个不相同的值x1~x16;如果时隙号位置为40:71,可以为其它值,例如40~79中任意32个不相同的值x1~x32。在另外的实施方式中,x1~x8和y1~y8、x1~x16和y1~y16,x1~x32之间等间隔分布,即:x(i+1)=xi+k1,i=1,2,…,16,y(i+1)=yi+k2,i=1,2,…,8,和/或者yi=xi+k3,其中k1和k2可以取1~16之间任意整数,k3可以取任意整数。在k1=k2=1时,两个时隙相邻,即连续两个相邻的连续分布的时隙。
值得注意的是,在下行和上行在同频段采用时分方式的情况下,如果下行同步信号信号块如果映射在其它时隙号,则可以采取类似的方法,将系统帧内其它时隙号类似操作,或者将本系统帧与下一个系统帧中下行同步信号块之前的时隙一并来映射,对应的时隙号做相应的偏移即可。例如在另外一个实现方式中,下行同步信号块位于40~79号时隙,则随机接入资源放置在0~39号时隙。调整的方式类似与前面实施例中的类似,这里不再赘述。
在另外的实施例中,上行与下行采取不同频段,以上x1~x32和y1~y16可以取0~79之间任意不相同整数。
进一步地,在另一种实施方式中,可以根据随机接入前导的序列长度确定随机接 入配置索引与随机接入资源所在的时隙之间的映射关系。
可选地,根据随机接入前导的序列长度确定随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系。
同一个系统帧周期内的多个时隙位置,可以分布在更多的系统帧中。例如,配置索引为0时,随机接入资源所在时隙可以为:Mod(SFN,8)=x1中的时隙索引i1~j1,Mod(SFN,8)=x2中的时隙索引i2~j2,…,Mod(SFN,8)=xK中的时隙索引iK~jK,即8个时隙分布在K个系统帧中,每个系统帧中各有若干个时隙;配置索引为1时,随机接入资源所在时隙可以为:Mod(SFN,8)=y1中的时隙索引l1~m1,Mod(SFN,8)=y2中的时隙索引l2~l2,…,Mod(SFN,8)=yK中的时隙索引lK~mK,即8个时隙分布在K个系统帧中,每个系统帧中各有若干个时隙。可选地,x1~xK与y1~yK互不相同,此时对于任意k,ik~jk与lk~mk之间可以有交集,也可以没有交集。可选地,xk=yk,k=1~K,此时对于任意k,ik~jk与lk~mk之间不能完全相同。上面K表示随机接入资源分布在一个系统帧周期内的系统帧的个数。例如表13中对于配置索引为0和1时为1;配置索引为58~63时为2。在另外的实施例中,K可以为其他值,例如K=1~64中的任意值,且K小于该配置索引i下对应随机接入资源所在的系统帧周期Pi,也即该配置索引对应的系统帧位置为mod(SFN,Pi)=x时,K Pi。注意本方法对于本文中所有随机接入资源配置的实施例都可以适用,在其它随机接入资源配置的实施例中,不再赘述。
在另外的实施例中,随机接入配置索引58~63对应的时隙索引可以为其它值。例如表11中随机接入配置索引为58时,系统帧位置Mod(SFN,16)=1时,时隙位置与Mod(SFN,16)=0时不相同,且为24~39;随机接入配置索引为59时,系统帧位置Mod(SFN,16)=0时,时隙位置与Mod(SFN,16)=1时不相同,且为24~39。类似的,Mod(SFN,16)=0,Mod(SFN,16)=1,Mod(SFN,16)=2和Mod(SFN,16)=3任意多个可以作类似调整,这里不再赘述。
再例如,表12中,随机接入配置索引为58时,系统帧位置Mod(SFN,16)=1时,时隙位置与Mod(SFN,16)=0时不相同,且为8~39;随机接入配置索引为59时,系统帧位置Mod(SFN,16)=0时,时隙位置与Mod(SFN,16)=1时不相同,且为8~39。类似地,60和61,62和63也可以有类似的操作。
表格表11和表12中的时隙位置是基于子载波间隔是60kHz的时隙长度。在另外的实施例中,上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同,因此各自对应的时隙长度会不一样。在上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同时,随机接入资源配置表格中的时隙可以基于随机接入前导的子载波间隔对应的时隙,也可以基于上行或者下行数据的子载波间隔对应的时隙。或者网络设备配置指示信息Flag,Flag=0时,对应前一种方式,Flag=1时,对应后一种方式。当随机接入资源配置表格中的时隙是基于上行或者下行数据的子载波间隔对应的时隙、且上行或者下行数据的子载波间隔与随机接入前导的子载波间隔不相同时,表11和表12中的时隙位置索引、持续时隙数、以及时隙中的随机接入前导构成中至少一项可以进一步调整,从而使得网络设备与终端侧的随机接入资源的时间和上行/下行数据的时间对齐。
例如,上行或者下行数据为120kHz时,表11和表12中的任意一个时隙索引可以对应2个连续的120kHz的时隙,对应的时隙索引和/或者持续时隙数进行缩放,即如果随机接入前导所在60kHz时隙索引为k,则调整为60kHz的时隙索引为时隙2k以及2k+1。即保持随机接入资源的绝对时间不变。此时,时隙内的随机接入前导构成可以进一步调整,例如,一个60kHz时隙长度中随机接入前导的构成结构可以是k和k+1连续2个120kHz的时隙长度;再例如新的两个120kHz的时隙k和k+1,各自对应半个60Hz的时隙(即7个60kHz的OFDM符号,此时,相当于在表16,表17,表18,表19,表20,表21中,将下行信号数量小于7个60kHz OFDM符号的构成方式排除后,任意一种随机接入资源数量足够的结构即可)。以上调整的方式和方法可以预先定义/预存储,或者由网络设备指示(例如指示Flag=0时,对应前一种方式;Flag=1时,对应后一种调整方式)。
例如,上行或者下行数据为30kHz时,表11和表12中的任意一个时隙索引可以对应半个的30kHz的时隙,对应的时隙索引和/或者持续时隙数进行缩放,即如果随机接入前导所在60kHz时隙索引为k,则调整为半个30kHz的时隙;或者如果随机接入前导所在有连续两个60kHz时隙索引2k以及2k+1,则调整为一个30kHz的时隙。即保持随机接入资源的绝对时间不变。此时,时隙内的随机接入前导构成可以进一步调整,例如,一个30kHz时隙长度中随机接入前导的构成结构可以是基于时隙k和k+1连续2个60kHz的时隙长度;再例如半个30kHz的时隙时隙对应一个60Hz的时隙。以上调整的方式和方法可以预先定义/预存储,或者由网络设备指示(例如指示Flag=0时,对应前一种方式;Flag=1时,对应后一种调整方式)。
例如,上行或者下行数据为15kHz时,表11和表12中的任意一个时隙索引可以对应1/4个的15kHz的时隙(例如2~4个15kHz的OFDM符号),对应的时隙索引和/或者持续时隙数进行缩放,即如果随机接入前导所在60kHz时隙索引为k,则调整为1/4个15kHz的时隙;或者如果随机接入前导所在有连续两个60kHz时隙索引k以及k+1,则调整为一个15kHz的时隙;或者如果随机接入前导所在有连续四个60kHz时隙索引k~k+3,则调整为一个15kHz的时隙。即保持随机接入资源的绝对时间不变。此时,时隙内的随机接入前导构成可以进一步调整,例如,一个15kHz时隙长度中随机接入前导的构成结构可以是k~k+3连续4个60kHz的时隙长度;再例如半个15kHz时隙长度中随机接入前导的构成结构可以是k~k+1连续2个60kHz的时隙长度;再例如1/4个15kHz的时隙时隙对应一个60Hz的时隙。以上调整的方式和方法可以预先定义/预存储,或者由网络设备指示(例如指示Flag=0时,对应第一种方式;Flag=1时,对应第二种调整方式;Flag=2时,对应第三种调整方式)。
举例说明,表14为随机接入前导的序列长度为839时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的一种映射关系。
表14
随机接入配置索引 随机接入前导的格式 系统帧位置 随机接入资源所在的子帧
0 0 Mod(SFN,8)=0 1
1 0 Mod(SFN,8)=0 6
2 0 Mod(SFN,4)=0 1
3 0 Mod(SFN,4)=0 6
4 0 Mod(SFN,2)=0 1
5 0 Mod(SFN,2)=0 6
6 0 所有系统帧 1
7 0 所有系统帧 6
8 0 所有系统帧 1,6
9 0 所有系统帧 2,7
10 0 所有系统帧 1,4,7
11 0 所有系统帧 2,5,8
12 0 所有系统帧 0:2:8
13 0 所有系统帧 1:2:9
14 0 所有系统帧 0~9
15 0 Mod(SFN,2)=0 9
16 1 Mod(SFN,8)=0 1
17 1 Mod(SFN,8)=0 6
18 1 Mod(SFN,4)=0 1
19 1 Mod(SFN,4)=0 6
20 1 Mod(SFN,2)=0 1
21 1 Mod(SFN,2)=0 6
22 1 所有系统帧 1
23 1 所有系统帧 6
24 1 所有系统帧 1,6
25 1 所有系统帧 2,7
26 1 所有系统帧 1,4,7
27 1 所有系统帧 2,5,8
28 1 N/A N/A
29 1 N/A N/A
30 1 N/A N/A
31 1 Mod(SFN,2)=0 9
32 2 Mod(SFN,8)=0 1
33 2 Mod(SFN,8)=0 6
34 2 Mod(SFN,4)=0 1
35 2 Mod(SFN,4)=0 6
36 2 Mod(SFN,2)=0 1
37 2 Mod(SFN,2)=0 6
38 2 所有系统帧 1
39 2 所有系统帧 6
40 2 所有系统帧 1,6
41 2 所有系统帧 2,7
42 2 N/A N/A
43 2 N/A N/A
44 2 N/A N/A
45 2 N/A N/A
46 2 N/A N/A
47 2 Mod(SFN,2)=0 9
48 3 Mod(SFN,8)=0 1
49 3 Mod(SFN,8)=0 6
50 3 Mod(SFN,4)=0 1
51 3 Mod(SFN,4)=0 6
52 3 Mod(SFN,2)=0 1
53 3 Mod(SFN,2)=0 6
54 3 所有系统帧 1
55 3 所有系统帧 6
56 3 所有系统帧 1,6
57 3 所有系统帧 2,7
58 3 所有系统帧 1,4,7
59 3 所有系统帧 2,5,8
60 3 所有系统帧 0:2:8
61 3 所有系统帧 1:2:9
62 3 所有系统帧 0~9
63 3 Mod(SFN,2)=0 9
在一种实施方式中,上行和下行在不同频段上分别进行,需要错开其他网络设备发送的下行信号所在时间,以避免干扰,因而系统帧中下行信号块所在的时间不能放置随机接入资源。例如,下行信号块位于0和5号时隙时,那么随机接入资源位于1~4、6~9号时隙中的一个或多个。
在一种实现方式中,同一个随机接入前导格式,在相同的随机接入资源时间密度(或者随机接入资源周期)下,最多有两个不同随机接入配置索引,且两个随机接入配置索引对应的系统帧、时隙、随机接入资源在时隙中的时间中的至少一项不完全相同或者完全不同。例如,系统帧的位置相同,但是时隙位置和/或者随机接入资源在时隙中的OFDM符号位置不相同;再例如,时隙位置的位置相同,但是系统帧和/或随机接入资源在时隙中的OFDM符号位置不相同;再例如,随机接入资源在时隙中的OFDM符号位置相同,但是系统帧和/或时隙的位置相同。所述时间密度相同,是指在相同的时间间隔内,随机接入资源的数量一样多,例如所述时间间隔是5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms中的一种。例如表14中随机接入配置索引0和随机接入配置索引1的随机接入资源时间密度相同(即每8个系统帧中出现一 个时隙),系统帧位置相同,但是在时隙位置不相同。
在另外一种实施方式中,上行和下行在同频段上采取时分的方式,系统帧中下行信号块所在的时间不能放置随机接入资源。
可选地,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系还可以与随机接入资源的最大时间周期、下行信号的时隙相关。随机接入资源的最大时间周期可以是下述任一种:5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms。在随机接入资源的最大时间周期为160ms、下行信号的时隙为0和5号时隙时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系如表14所示。
上述表格中的时隙、系统帧均为示例,并不以表中为限。例如上述表14中的Mod(SFN,16)=0均可替换为Mod(SFN,16)=1~15中任一个。又例如上述表14中,Mod(SFN,8)=0均可替换为Mod(SFN,8)=1~7中任一个。其余类似,即前述实施例中,Mod(SFN,Q)=0均可替换为Mod(SFN,Q)=1~(Q-1)中任一个,Q为大于0的整数,不再赘述。
类似地,随机接入资源所在的时隙也不限于表14,具体可以参照前述实施例,在此不再赘述。
在下行和上行在同频段采用时分方式的情况下,如果下行信号块映射在其它时隙号,则与前述实施例类似,在下行信号的时隙为其他时隙时,随机接入资源所在的时隙也可以发生变更,与下行信号的时隙不重合即可;或者,或者将本系统帧与下一个系统帧中下行信号块之前的时隙一并映射,对应的时隙号做相应的偏移即可。
举例说明,表15为随机接入前导的序列长度为127或139时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的一种映射关系。
表15
Figure PCTCN2018109058-appb-000025
Figure PCTCN2018109058-appb-000026
Figure PCTCN2018109058-appb-000027
表15所示的映射关系,适用于不同子载波间隔、以及不同的最大下行信号块个数。
在一种实施方式中,上行与下行采取不同频段。由于上行与下行位于不同的频段,因此系统帧中所有时间位置都可以放置随机接入资源。
在一种实现方式中,同一个随机接入前导格式,在相同的随机接入资源时间密度(或者随机接入资源周期)下,最多有两个不同随机接入配置索引,且两个随机接入配置索引对应的系统帧、时隙、随机接入资源在时隙中的时间中的至少一项不完全相同或者完全不同。例如,系统帧的位置相同,但是时隙位置和/或者随机接入资源在时隙中的OFDM符号位置不相同;再例如,时隙位置的位置相同,但是系统帧和/或随机接入资源在时隙中的OFDM符号位置不相同;再例如,随机接入资源在时隙中的OFDM符号位置相同,但是系统帧和/或时隙的位置相同。所述时间密度相同,是指在相同的时间间隔内,随机接入资源的数量一样多,例如所述时间间隔是5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms中的一种。例如表15中随机接入配置索引0和随机接入配置索引1的随机接入资源时间密度相同(即每8个系统帧中出现一个时隙),系统帧位置相同,但是在时隙位置不相同。
在另外一种实施方式中,上行和下行在同频段上采取时分的方式,对应的下行信号块需要占用5ms,系统帧中下行信号块所在的时间不能放置随机接入资源。例如:下行信号块位于0~4号时隙时,那么随机接入资源位于5~9号时隙中的一个或多个;又例如,下行信号块位于5~9号时隙时,则随机接入资源位于0~4号时隙中的一个或多个。
可选地,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系还可以与随机接入资源的最大时间周期、下行信 号的时隙相关。随机接入资源的最大时间周期可以是下述任一种:5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms。在随机接入资源的最大时间周期为160ms、下行信号的时隙为0~4号时隙时,随机接入配置索引与[随机接入资源所在的时隙、随机接入前导的格式、系统帧位置]这个组合之间的映射关系如表15所示。
上述表格中的时隙、系统帧均为示例,并不以表中为限。例如上述表15中的Mod(SFN,16)=0均可替换为Mod(SFN,16)=1~15中任一个。又例如上述表15中,Mod(SFN,8)=0均可替换为Mod(SFN,8)=1~7中任一个。其余类似,即前述实施例中,Mod(SFN,Q)=0均可替换为Mod(SFN,Q)=1~(Q-1)中任一个,Q为大于0的整数,不再赘述。
类似地,随机接入资源所在的时隙也不限于表15,具体可以参照前述实施例,在此不再赘述。
在下行和上行在同频段采用时分方式的情况下,如果下行信号块映射在其它时隙号,则与前述实施例类似,在下行信号的时隙为其他时隙时,随机接入资源所在的时隙也可以发生变更,与下行信号的时隙不重合即可;或者,或者将本系统帧与下一个系统帧中下行信号块之前的时隙一并映射,对应的时隙号做相应的偏移即可。
需要说明的是,上述公式中的Mod(x,y)表示取模运算,也可以写成x%y,还可以写成x Mod y。
上述表3~表15中,随机接入资源所在的时隙表示在一个系统帧的时隙号,表中的系统帧位置也可以认为是一种随机接入资源的周期。
在表3~表13对应的实施例中,每一个随机接入配置索引对应的时隙可以关联多种随机接入前导的时隙结构。
图7为本申请一实施例提供的随机接入方法中随机接入前导结构示意图;图8为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;图9为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;图10为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;图11为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;图12为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;图13为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;图14为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图;图15为本申请另一实施例提供的随机接入方法中随机接入前导结构示意图。
例如图7-图15所示为9种随机接入前导的时隙结构。
可选地,多种随机接入结构对应的多种随机接入资源的时间密度,例如图7~图9和图12~图15所示分别为不同时隙或者OFDM符号位置上的随机接入资源,但是一个子帧内的资源数量相同.再例如图9~图11所示分别为每个时隙中有2、4、6个随机接入资源(前导格式为A1或B1)。
可选地,多个时隙中的随机接入资源数量不相同,例如图15中30kHz、60kHz、120kHz子载波间隔,子帧内奇数时隙的资源数量与偶数时隙的资源数量不相同。以上{图7~图11}和{图12~图15}分别针对随机接入前导格式A1和B1、A2和B2,实际中不限于这些随机接入前导格式,可以任意其它一种或者多种随机接入前导格式。
例如{图7~图11}和{图12~图15}中每一个图,分别表示4种不同的子载波间隔15kHz、30kHz、60kHz、120kHz子载波间隔下的随机接入结构。在实际中,根据网络设备配置或者预设置的子载波间隔和/或随机接入结构指示信息确定具体的随机接入结构。即,在不同的子载波间隔下,不同的随机接入结构可以是图中相应子载波间隔下的结构的任意一种,而不局限于图中的组合对应方式。例如15kHz时,随机接入结构指示信息为0时对应图7中的结构,随机接入结构指示信息为1时对应图7~图9中的结构;30kHz时,随机接入结构指示信息为0时对应图7中的结构,随机接入结构指示信息为1时对应图8中的结构。
网络设备通过信令指示当前随机接入配置索引和随机接入前导的结构信息,终端设备根据随机接入前导序列长度、随机接入前导子载波间隔、随机接入前导格式、随机接入资源所在服务小区标识、随机接入资源所在载波频率信息、载波频率范围、业务类型、最大下行信号数量、实际传输的下行信号信息、相同时间上的随机接入资源频率个数、随机接入资源周期、下行信号与随机接入资源关联关系、下行信号关联的随机接入资源数量、随机接入配置索引和随机接入结构指示信息中的至少一种,获取随机接入资源所在的子帧、时隙、以及OFDM符号起始位置、持续时间、或者结束位置、随机接入资源的数量。信令可以是无线资源控制(radio resource control,RRC)信令、系统信息(system information,SI)、媒体接入控制-控制元素(Medium access control-control element,MAC CE)信令、下行控制信息(downlink control information,DCI)、或物理下行控制信道指令(physical downlink control channel,PDCCH order)等。
例如,所述随机接入前导子载波间隔根据随机接入资源所在频率、网络设备指示随机接入前导子载波间隔信息确定。当随机接入资源位于6GHz以下频段并且网络设备指示随机接入前导子载波间隔信息为第一预设值(例如0)时,对应15kHz;当随机接入资源位于6GHz以下频段并且网络设备指示随机接入前导子载波间隔信息为第二预设值(例如1)时,对应30kHz;当随机接入资源位于6GHz以上频段并且网络设备指示随机接入前导子载波间隔信息为第一预设值(例如0)时,对应60kHz;当随机接入资源位于6GHz以上频段并且网络设备指示随机接入前导子载波间隔信息为第二预设值(例如1)时,对应120kHz。
在一种实现方式中,同一个随机接入前导格式,在相同的随机接入资源时间密度(或者随机接入资源周期)下,最多有两个不同随机接入配置索引,且两个随机接入配置索引对应的系统帧、时隙、随机接入资源在时隙中的时间中的至少一项不完全相同或者完全不同。例如,系统帧的位置相同,但是时隙位置和/或者随机接入资源在时隙中的OFDM符号位置不相同;再例如,时隙位置的位置相同,但是系统帧和/或随机接入资源在时隙中的OFDM符号位置不相同;再例如,随机接入资源在时隙中的OFDM符号位置相同,但是系统帧和/或时隙的位置相同。所述时间密度相同,是指在相同的时间间隔内,随机接入资源的数量一样多,例如所述时间间隔是5ms、10ms、20ms、40ms、80ms、160ms、320ms、640ms中的一种。
需要说明的是,随机接入结构是指一个或者多个随机接入前导或者资源在一个或者多个时隙/子帧中的结构;也可以指一个或者多个随机接入前导或者资源在一个或者 多个OFDM中的结构,例如表22~表24所示。在另外的实施例中,随机接入结构中的随机接入资源还可以有其它方式;例如,随机接入结构以一个时隙为基准,多个时隙组成一个新的随机接入结构(例如随机接入资源在时间上可以不连续);随机接入结构以一个时隙为基准,一个或者多个子帧中的时隙组成一个新的随机接入结构(例如随机接入资源在时间上可以不连续);随机接入结构以多个OFDM符号为基准,一个或者多个时隙组成一个新的随机接入结构(例如随机接入资源在时间上不连续)。
图16为本申请一实施例提供的随机接入方法中随机接入结构示意图。
图16中随机资源所在的时间范围表示为T个时隙,T为大于0的整数。
如图16所示,在T个时隙中,可以有下行数据和/或上行数据,P个随机接入前导格式、下行数据在时间上是分别连续的,P个随机接入前导可以采取不相同的格式。K1表示下行数据占用的OFDM符号数、K2表示随机接入前导格式之前第一上行数据占用的OFDM符号数(或者时间长度)、K3表示随机接入前导格式之后第二上行数据占用的OFDM符号数、S表示上行或下行切换时间占用的OFDM符号数。
上行或下行切换时间(Switch time),指的是上行传输切换到下行传输的时间,或者下行传输切换到上行传输的时间。
图16中的OFDM符号是以该段上行或者下行数据的子载波间隔为参考。
举例说明,T=1时,上行数据和下行数据与随机接入前导的子载波间隔相同,则K1、K2、K3可以是0~12个OFDM符号。例如,P=8,随机接入前导格式都相同且为A0,K1=4,K2=0,K3=0,S=2个OFDM符号;再例如P=8且所有随机接入前导格式为C0,K1=0,K2=0,K3=0,S=2个OFDM符号;再例如P=2且所有随机接入前导格式为C2,K1=3,K2=0,K3=0,S=2个OFDM符号。在另外的实施例中,K1,K2,K3中至少一个为固定值;例如K1固定为0;再例如K2固定为0;再例如K3固定为0。在另外的实现方式中,K1、K2、K3、P、S、T的具体取值与随机接入前导格式、随机接入前导序列长度、随机接入前导序列的子载波间隔、随机接入配置索引、下行信号数量、时频资源所在载波频率范围、该频带所支持的业务类型、该频带参考时间的波形参数(例如子载波、帧结构)中的至少一个有关。其中总的上行数据、下行数据、P个随机接入前导总时间、下行到上行切换时间S之和不超过T个时隙宽度。例如T、P与随机接入前导格式和随机接入前导子载波间隔(或者相应的子载波间隔索引)有关,在随机接入子载波间隔索引为u,对应子载波间隔为15×2 ukHz时,对应的T=2 u个时隙,P=P0×2 u,其中P0为根据网络设备信令配置的指示的值、或者预定义的与随机接入前导格式有关的值。
但不以此为限。下述表16~表24中,在每一个Switch time i(指下行与上行之间的切换时间)列中,第一子列表示切换时间(记为S,时间单位为κ·2 u),第二子列表示T个时隙中的OFDM符号数量(记为M,表示其它上行、下行数据),第三个子列表示T个时隙中的RO(随机接入资源)的数量(记为S),其中M=K1+K2+K3。
可选地,每一个switch time i的第一个子列都可以是相同且为i*2192个时间(单位为κ·2 u)。如果switch time跨0或0.5ms的时间,则对应地再加上16个时间(单位为κ·2 u)。
在一种实施例中,第二上行数据的数量K3=0,此时,在T个时隙中的第一个随机 接入资源的起始时间为(2192×M+S)×κ×2 u个基本时间单元;第p个随机接入资源的起始时间为(2192×M+S)×κ×2 u+p×N,其中
Figure PCTCN2018109058-appb-000028
或者
Figure PCTCN2018109058-appb-000029
(如表1和表2中所述,N u是随机接入前导格式的序列时间长度、
Figure PCTCN2018109058-appb-000030
是随机接入前导格式的循环前缀时间长度、
Figure PCTCN2018109058-appb-000031
是随机接入前导格式的保护时间长度)。在一种实施例中,第二上行数据的数量K3=0,此时,在T个时隙中的第一个随机接入资源的起始时间为(2192×(K1+K2)+S)×κ×2 u个基本时间单元;第p个随机接入资源的起始时间为(2192×M+S)×κ×2 u+p×N,其中p=0,1,..,P-1。
当所述下行数据、上行数据、切换时间、随机接入前导跨越n个子帧开始或者子帧中间值(例如,Q+0.5ms,Q为整数)时,相应的随机接入前导的循环前缀或者保护时间间隔延长16×n×κ×2 u个基本时间单元,或者随机接入前导的发送时间提前16×n×κ×2 u个基本时间单元。在另外的实施例中,每个随机接入前导发送的时间相对于随机接入资源所在时间(例如子帧、时隙、OFDM起始符号、OFDM结束符号中的至少一个),提前8×m×κ×2 u个基本时间单元,所述m为预配置或者网络设备信令配置的值,m=0~4095。
在另外的实施例中,P与随机接入前导格式、随机接入前导序列长度、随机接入前导子载波间隔、随机接入前导子载波间隔、最大下行信号数量、实际传输的下行信号、业务类型、载波频率有关。可选地,每T个时隙内的随机接入资源数量P=2 k,其中k=0~8。例如T=1,最大下行信号数量为4,随机接入前导格式为A0、C0、A1、B1中的一种时,P=4;再例如T=1,最大下行信号数量为8,随机接入前导格式为A0或者C0中的一种时,P=8;再例如T=1,随机接入前导格式为A2、A3、C2时,P=2;再例如T=1,随机接入前导格式为B4时,P=1。
在另外的实施例中,T和P与随机接入前导格式、随机接入前导序列长度、随机接入前导子载波间隔、随机接入前导子载波间隔、下行信号关联的随机接入资源数量、最大下行信号数量、实际传输的下行信号、业务类型、载波频率有关。例如随机接入前导子载波间隔为15kHz或者30kHz,最大下行信号数量为4,随机接入前导格式为A0、C0、A1、B1中的一种时,T=1,P=4;再例如随机接入前导子载波间隔为15kHz或者30kHz,最大下行信号数量为4,随机接入前导格式为A2、A3、C2中的一种时,T=2,P=2;再例如随机接入前导子载波间隔为15kHz或者30kHz,最大下行信号数量为4,随机接入前导格式为B4中的一种时,T=4,P=1;再例如随机接入前导子载波间隔为15kHz或者30kHz,最大下行信号数量为8,随机接入前导格式为A0、C0、A1、B1中的一种时,T=1,P=8;再例如随机接入前导子载波间隔为15kHz或者30kHz,最大下行信号数量为8,随机接入前导格式为A2、A3、C2中的一种时,T=4,P=2;再例如随机接入前导子载波间隔为15kHz,最大下行信号数量为8,随机接入前导格式为B4中的一种时,T=4,P=1;再例如随机接入前导子载波间隔为30kHz,最大下行信号数量为8,随机接入前导格式为B4中的一种时,T=8,P=1。
表16中以T=1为例。
表16
Figure PCTCN2018109058-appb-000032
Figure PCTCN2018109058-appb-000033
表17中以T=2为例。
表17
Figure PCTCN2018109058-appb-000034
Figure PCTCN2018109058-appb-000035
表18中以T=3为例。
表18
Figure PCTCN2018109058-appb-000036
Figure PCTCN2018109058-appb-000037
表19中以T=4为例。
表19
Figure PCTCN2018109058-appb-000038
Figure PCTCN2018109058-appb-000039
Figure PCTCN2018109058-appb-000040
表20中以T=5为例。
表20
Figure PCTCN2018109058-appb-000041
Figure PCTCN2018109058-appb-000042
表21中以T=6为例。
表21
Figure PCTCN2018109058-appb-000043
Figure PCTCN2018109058-appb-000044
表22中以T=1/2(或者7个OFDM符号)为例。
表22
Figure PCTCN2018109058-appb-000045
Figure PCTCN2018109058-appb-000046
表23以T=1/4(或者4个OFDM符号)为例。
表23
Figure PCTCN2018109058-appb-000047
表24以T=2/14(或者2个OFDM符号)为例。
表24
Figure PCTCN2018109058-appb-000048
Figure PCTCN2018109058-appb-000049
上述表格中的“格式”指的是随机接入前导的格式。
图17为本申请另一实施例提供的随机接入方法中时隙结构示意图。图18为本申请又一实施例提供的随机接入方法中时隙结构示意图。
对于上述同一个随机接入配置索引确定的内容,即相同的随机接入资源所在的时隙、随机接入前导的格式、系统帧位置等,但具体的排布还可以不同。可以由网络设备向终端发送结构指示信息,结构指示信息中携带结构标识位。
例如结构标识位为“1”时,T个时隙中随机接入前导的分布如图17所示。结构标识位为“0”时,T个时隙中随机接入前导的分布如图18所示。
具体地,图17中T=1的结构中包含2个随机接入前导,随机接入前导的格式以表3中索引号26对应的随机接入前导格式为例。
图18中T=2的结构中包含4个随机接入前导,随机接入前导的格式以表3中索引号26对应的随机接入前导格式为例。
进一步地,当网络设备实际传输的下行信号块发生变化时,随机接入周期中随机接入资源也可以随之发生变化。
具体地,随机接入资源与下行信号进行关联,一个下行信号对应有一个或者多个随机接入资源。终端在下行同步时,选择一个下行信号i,并且根据关联关系确定下行信号i对应的随机接入资源的时间、频率位置。在一种随机接入配置中,一个最大下行信号集(或者说下行信号扫描周期)中的下行信号关联的随机接入资源,刚好为关联一个随机接入周期时间内的随机接入资源(一个下行信号可以关联一个或者或者多个资源,关联同一个下行信号的多个资源可以是时间上连续的,也可以是时间上非连续的)。最大下行信号集可以指,载波频率或者所在频段对应的最大允许的下行信号块数量(例如,3千兆赫兹(GHz)以下最大下行信号集中有4个下行信号块)。在另外一种随机接入配置中,一个最大下行信号集(或者说下行信号扫描周期)中的下行信号关联的资源,刚好为关联一个随机接入周期时间内的随机接入资源。
例如,下行信号集中有4个下行信号块,随机接入配置索引值为26,随机接入资源构成结构如图17所示,频域上仅有一个随机接入资源,且每个下行信号块关联一个时间上的随机接入资源,即:一个下行信号集中下行信号块关联的随机接入资源刚好是一个随机接入周期中所指定的资源。
但是在实际的使用中,网络设备实际发送的下行信号集中的下行信号块会有所调整,例如只发送下行信号集中的一部分下行信号块。这种调整会影响到随机接入资源的对应。如果采取固定的随机接入资源,必然会导致下行信号集中下行信号块关联的随机接入资源的时间、频率位置不确定。可选地,根据最大下行信号集实际传输的下行信号块,相应地调整随机接入周期中的随机接入资源和/或调整下行信号块关联的随机接入资源数量。例如一种实现方式是,根据实际发送的下行信号块(信号索引i),依次对应随机接入周期中的随机接入资源(资源索引i);随机接入资源周期中其余的随机接入资源则释放为其它上行/下行通信,或者根据预配置或者网络设备指定的规则, 调整随机接入周期中的随机接入资源构成结构。具体地,最大下行信号集N=4中实际传输了2个下行信号块,则图17所示的结构中可以保留时隙2或时隙3中的随机接入资源,其余随机接入资源释放为其它用途。或者,图17中时隙2和时隙3中各保留格式为B1的随机接入资源,将A1对应的两个随机接入资源释放为其它用途。或者,调整实际传输的两个下行信号块关联的随机接入资源数量为2,下行信号块与随机接入资源的关联方式可以按照预设的规则进行调整,或者网路审指示关联方式,例如把第一个下行信号块关联的随机接入资源调整为索引1和2(1或者3),第二个下行信号块关联的随机接入资源调整为索引3和4(相应地,2或者4)。再例如,最大下行信号集N=4中实际传输了3个下行信号,则图17所示的结构中:只保留时隙2中所有随机接入资源,以及时隙3中格式为B1的随机接入资源,将时隙3中格式为A1的随机接入资源释放为其它用途。或者,图17保留时隙3中所有随机接入资源,以及时隙2中格式为B1的随机接入资源,将时隙2中格式为A1的随机接入资源释放为其它用途。或者,由网络设备指示或者终端根据预定义的规则调整随机接入资源的构成结构。或者,调整其中一个实际发送的下行信号块关联的随机接入资源数量为2,保持其它的下行信号块关联不变,例如把第一个下行信号块关联的随机接入资源数量调整为2。或者,把另外一个不发送的下行信号块对应的随机接入资源调整给第一个下行信号块。
再例如,下行信号集中有N=4个下行信号,随机接入配置索引值为26,随机接入资源的构成结构为图18所示,频域上仅有一个随机接入资源,且每个下行信号块关联两个时间上的随机接入资源。即:一个下行信号集中下行信号块关联的随机接入资源刚好是一个随机接入周期中所指定的资源。如上所述,在一个实现方式中,最大下行信号集N=4中实际传输了2个下行信号。则图18所示保留时隙2或时隙3中的随机接入资源,其余随机接入资源释放为其它用途。或者,图18中时隙2和时隙3中各保留后面的两个格式为A1和B1的随机接入资源,将每个时隙中前面两个A1对应的随机接入资源释放为其它用途。或者,调整实际发送的两个下行信号块关联的随机接入资源的数量为4,即不改变随机接入资源的用途,下行信号与随机接入资源的关联方式可以按照预设的规则进行调整,或者网络设备指示关联方式。再例如,最大下行信号集N=4中实际传输了3个下行信号,则图18所示的结构中保留时隙2中所有随机接入资源,以及时隙3中的后面两个格式为A1和B1的随机接入资源,将时隙3中前两个格式为A1的随机接入资源释放为其它用途。或者,图18所示的结构中保留时隙3中所有随机接入资源,以及时隙2中的后面两个格式为A1和B1的随机接入资源,将时隙2中的前面两个格式为A1的随机接入资源释放为其它用途。或者,由网络设备指示或者根据预定义的规则调整随机接入资源的构成结构。或者,调整其中一个实际发送的下行信号块关联的随机接入资源的数量为4,保持其它的下行信号块关联的随机接入资源不变,例如把第一个下行信号块关联的资源数量调整为4。或者,把另外一个不发送的下行信号块对应的资源调整给第一个下行信号。
在一种实现方式中,随机接入资源与下行信号之间的对应是根据最大可能下行信号块数量确定,下行信号块索引i1对应的随机接入周期中的随机接入资源j1。在实际中,部分下行信号块并没有被发送(例如信号索引i2),此时对应随机接入资源(例如随机接入资源j2)可以用于其它类型的随机接入,例如波束恢复、请求系统信息、 触发寻呼消息发送、多个消息1发送(指在随机接入响应前发送多个消息1)、2步随机接入(2-step RACH procedure)中的至少一种。
可选地,随机接入过程中,随机接入前导发送的主要参数包括如表25所示参数中的一个或多个:
表25
Figure PCTCN2018109058-appb-000050
需要说明的是,随机接入资源的频率位置可以是相对初始接入带宽的偏移值,也可以是相对下行信号频率(例如下行信号的中心频率或者起始频率或者结束频率)的偏移值,单位可以是子载波数或者物理资源块(physical resource block)或者物理资源块组(physical resource block group)。
其中随机接入前导子载波间隔Msg1SubcarrierSpacing、关联关系Association、下行信号接收功率门限值RSRPThreshold、实际传输的下行信号SSBTxPower、下行信号发送功率SSBTxPower是在LTE基础上新增加的参数;实际传输的下行信号SSBTxPower、前导初始接收功率PreambelInitialReceivedTargetPower和下行信号发送功率SSBTxPower基于多个下行信号配置。一个频段最大可能的下行信号数量为N,例如频段小于3GHz,则N=4;例如频段大于3GHz且不大于6GHz,则N=8;例如频段大于6GHz,则N=64。在实际当中,由于网络设备实现能力以及覆盖范围等因素的影响,一个小区内实际使用的下行的信号数量小于最大可能的下行信号。因此,需要指示实际传输的下行信号,即用来实现小区覆盖所使用的下行信号个数以及索引。下行信号可以指下行同步信号块SS/PBCH block(synchronization signal/physical broadcast channel block),和/或者下行信道状态参考信号CSI-RS(channel state information–reference signal)。
在一种实现方式中,实际传输的下行信号可以是通过位图(bit map)的方式配置,位图需要的位数与频段有关。例如用1个比特指示一个下行信号或者一个下行信号组 是否被传输,在频段小于3GHz时需要4个比特;频段大于3GHz且不大于6GHz时需要8个比特;频段大于6GHz时最多需要64个比特。在频段大于6GHz时,位图需要的比特数可以减少。在方式1中,64个下行信号被分为L个组,每个组M个下行信号,其中L可以为2,4,8,16,32,相应地M可以为32,16,8,4,2;此时可以采用L个比特来指示各个下行信号组是否用来传输下行信号,例如第l个比特为1表示第l组下行信号中有下行信号发送;M个比特来指示下行信号组中实际传输的下行信号,且每个下行信号组中实际传输的下行信号都相同,例如第m个比特为1表示下行信号组中第m个下行信号用来传输下行信号。
图19为本申请一实施例提供的随机接入方法中下行信号示意图。具体地,如图19,L=8且对应的位图为10101101,M=8且对应的位图为10101010,其中阴影部分表示该下行信号(记为SSB)被传输。
由于在随机接入时,至少需要以下参数:获取一个下行信号(或者下行信号组)是否被传输、该下行信号(或者下行信号组)的发送功率、网络设备发送波束成型增益、关联的随机接入资源的数量、该下行信号(或者下行信号组)对应的随机接入资源上的前导初始接收功率、网络设备接收波束成型增益,而不同下行信号的以上参数可能不一样。因此,以上几个参数组合一起发送。例如,以上任意数量的参数彼此组合一起,与剩下的其它参数分别配置。
具体地,例如一个下行信号是否被传输、该下行信号的发送功率、网络设备发送波束成型增益通过同一个参数配置;
再例如一个下行信号是否被传输、关联的随机接入资源的数量通过同一个参数配置;
再例如一个下行信号是否被传输、该下行信号对应的随机接入资源上的前导初始接收功率、网络设备接收波束成型增益通过同一个参数配置。
进一步地,在一个实施例中,当一个下行信号是否被传输、关联的随机接入资源的数量通过同一个参数配置时,例如在频段小于3GHz时,每一个下行信号使用2~4个比特(或者更多),总共8或者12或者16个比特来指示该下行信号是否被传输以及关联的随机接入资源的数量。以每个下行信号2个比特为例,总共需要8个比特,下行信号m由2m和2m+1比特指示;当2m和2m+1指示比特为00时,表示该下行信号没有被发送;当2m和2m+1指示比特为01时,表示该下行信号被发送,且该下行信号关联的随机接入资源数量为1份;当2m和2m+1指示比特为10时,表示该下行信号被发送,且该下行信号关联的随机接入资源数量为2份;当2m和2m+1指示比特为11时,表示该下行信号被发送,且该下行信号关联的随机接入资源数量为3份;这里的一份随机接入资源表示一个集合的随机接入时频资源/前导,该集合的大小由网络设备配置或者由预定义/预存储。类似地,可以针对频段大于3GHz且不大于6GHz时,需要8×2或8×3或8×4,即分别为16,24,32个比特;在频段大于6GHz时,采取L比特指示实际传输的下行信号分组、下行信号分组中实际传输的下行信号、以及每个下行信号关联的随机接入资源数量,以及采用下行信号个数,需要M×2或M×3或M×4,即总共需要L+2M或L+3M或L+4M。在另外的实现方式中,以上指示的可以是随机接入资源的时间、频率位置或者索引,和/或随机接入资源的数量。
在另外的实施例中,网络设备通过指示信息通知终端当前所使用的方式。例如指示信息携带标识Flag=0时,采取一个下行信号是否被传输、关联的随机接入资源的数量通过同一个参数配置的方式;指示信息携带标识Flag=1时,采取下行信号组是否被传输、关联的随机接入资源的数量通过同一个参数配置的方式。
在一个实施例中,当一个下行信号组是否被传输、关联的随机接入资源的数量通过同一个参数配置时。其中关联的随机接入资源的数量可以指下行信号组中总共关联的随机接入资源数量,或者下行信号组中下行信号关联的随机接入资源数量,其中同一个下行信号组中各个下行信号关联的随机接入资源数量相同。例如,在频段大于6GHz时,分成L个组,每个组M个信号。每一个下行信号组使用2~4个比特(或者更多),总共2L或者3L或者4L个比特来指示各个下行信号组是否被传输以及关联的随机接入资源的数量。即总共需要2L+M或3L+M或4L+M个比特来指示实际传输的下行信号分组、下行信号分组中实际传输的下行信号、以及每个下行信号关联的随机接入资源数量。
在另外的实施例中,以上参数是基于下行信号组的配置。例如,在随机接入时,至少需要以下参数:获取一个下行信号组是否被传输、该下行信号组的发送功率、网络设备发送波束成型增益、关联的随机接入资源的数量、该下行信号组对应的随机接入资源上的前导初始接收功率、网络设备接收波束成型增益,而不同下行信号的以上参数可能不一样。因此,以上几个参数组合一起发送。例如,以上任意数量的参数彼此组合一起,与剩下的其它参数分别配置。基于下行信号组的参数配置,具体可以是:同一个下行信号组中的各个下行信号的功率参数相同;或者同一个下行信号组中的各个下行信号功率参数不相同,但是不同下行信号组中相同索引位置的下行信号的功率参数相同。基于下行信号组的参数配置方法与以上基于下行信号的参数配置方法相似,这里不再赘述。
在另外的实施例中,获取下行信号的发送功率、网络设备发送波束成型增益、该下行信号对应的随机接入资源上的前导初始接收功率、网络设备接收波束成型增益由两个参数分配配置,例如网络设备发送功率参数和网络设备接收功率参数。这两个参数可以是以上四个参数的结合,例如,网络设备发送功率至少包含下行信号的发送功率,网络设备接收功率参数至少包含前导初始接收功率;再例如,网络设备发送功率包含下行信号的发送功率和网络设备发送/接收波束成型增益差,网络设备接收功率参数包含前导初始接收功率;再例如,网络设备发送功率为下行信号的发送功率,网络设备接收功率参数包含前导初始接收功率和网络设备发送/接收波束成型增益差。以上两个参数可以采取多种方式来发送。例如,方式1:每个下行信号(或者下行信号组)的网络设备发送功率参数和网络设备接收功率参数分别配置;方式2:每个下行信号(或者下行信号组)的网络设备发送功率参数基于参考网络设备发送功率参数以及该下行信号(或者下行信号组)对应的发送功率偏移值、每个下行信号(或者下行信号组)的网络设备接收功率参数分别参考网络设备接收功率参数以及该下行信号(或者下行信号组)对应的接收功率偏移值。在方式2中,发送功率偏移值、接收功率偏移值、可以与一个下行信号(或者下行信号组)是否被传输结合一起发送。
例如在一个实施例中,当一个下行信号是否被传输、接收功率偏移值通过同一个 参数配置时,在频段小于3GHz时,每一个下行信号使用2~4个比特(或者更多),总共8或者12或者16个比特来指示该下行信号是否被传输以及接收功率偏移值。以每个下行信号2个比特为例,总共需要8个比特,下行信号m由2m和2m+1比特指示;当2m和2m+1指示比特为00时,表示该下行信号没有被发送;当2m和2m+1指示比特为01时,表示该下行信号被发送,且该下行信号对应的接收功率偏移为p1(dBm);当2m和2m+1指示比特为10时,表示该下行信号被发送,且该下行信号对应的接收功率偏移为p2(dBm);当2m和2m+1指示比特为11时,表示该下行信号被发送,且该下行信号对应的接收功率偏移为p3(dBm);这里的p1,p2,p3为预定义/预存储的值。类似地,可以针对频段大于3GHz且不大于6GHz时,需要8×2或8×3或8×4,即分别为16,24,32个比特;在频段大于6GHz时,采取L比特指示实际传输的下行信号分组,以及采用下行信号个数,需要M×2或M×3或M×4,即总共需要L+2M或L+3M或L+4M。下行信号是否被传输和发送功率偏移值通过同一个参数配置、下行信号是否被传输和发送、接收功率偏移值通过同一个参数配置时方法与上面类似,这里不再赘述。
在另外的实现方式中,以上各个实施例中的方法可以任意方式组合,这里不再赘述。
在另外的实施例中,随机接入配置表格中的值是相对的时隙位置,随机接入资源的时隙位置需要根据子载波间隔、所有最大下行信号数量对应的随机接入配置表格中的相对时隙位置,以及下行信号的时间偏移位置决定实际所在的时隙位置。下行信号的时间偏移位置是指下行信号相对于基准下行信号发送时间/时隙的时间偏移。例如基准下行信号发送时间位于一个系统帧中的0~5ms(即时隙0~5×2 u-1)中的时间0(即时隙0),其中u为下行信号子载波索引或者该下行信号时间制定的参考子载波间隔索引。在一个实施例中,下行信号发送时间相对基准下行信号发送时间/时隙的时间偏移为T_Offset(ms或者时隙索引),则所有配置表格中指定的相对时隙位置需要基于该T_offset进行调整,以获取实际的时隙位置。即随机接入资源所在的实际时隙位置与T_offset以及对应随机接入配置索引所指定的时隙位置有关。
在NR中,由于下行同步信号块SS/PBCH block的带宽是288个子载波,在随机接入前导与下行同步信号块的子载波间隔相同的情况下,下行同步信号块的带宽可以支持2个随机接入资源的位置,因此在时域只需要2个位置,就可以提供4个可能的不同的随机接入资源位置,从而允许相邻4个小区同时在相同频率上进行随机接入,并且不同小区上的随机接入在不同的时间、频率位置上,因此不会彼此干扰。需要说明的是,LTE的设计准则是3个小区不相互干扰,LTE中最小的系统带宽1.25MHz上只能放置1个随机接入资源,所以需要频域上的3个位置。
图20为本申请一实施例提供的随机接入装置结构示意图,该装置为集成于终端、或者集成于终端的芯片/功能模块,如图20所示,该装置包括:接收模块1901、确定模块1902和发送模块1903,其中:
接收模块1901,用于接收网络设备发送的第一指示信息,所述第一指示信息用于指示随机接入配置索引。
确定模块1902,用于根据所述随机接入配置索引,确定随机接入资源;根据所述 随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源。
发送模块1903,用于根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导。
可选地,所述随机接入资源与下行信号的关联关系包含随机接入资源的索引方式。
可选地,确定模块1902,具体用于根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f;或者,根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间内频域上确定所述下行信号对应的随机接入资源的频率位置f,再在频率位置f上确定所述下行信号对应的随机接入资源的时间t;或者,根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的周期内的N个时隙或子帧上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f,N为大于0的整数。
可选地,确定模块1902,具体用于根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引,确定随机接入资源的时间范围。
可选地,确定模块1902,还用于在所述发送模块根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导之前,根据预设的时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定随机接入资源所在的时间,或者,接收所述网络设备发送的第二指示信息,所述第二指示信息包括:随机接入时隙或者子帧的结构信息;根据所述随机接入时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定随机接入资源所在的时间。
可选地,确定模块1902,还用于获取预设的所述随机接入资源的索引方式;或者,所述接收模块,还用于接收所述网络设备发送的第三指示信息,所述第三指示信息用于指示所述随机接入资源的索引方式。
可选地,确定模块1902,还用于根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引,确定随机接入资源的时间范围中随机接入前导的格式、系统帧位置。
可选地,接收模块1901,还用于接收所述网络设备发送的第四指示信息,所述第四指示信息用于指示实际传输的下行信号块。
图21为本申请另一实施例提供的随机接入装置结构示意图,该装置可以是网络设备,或者是集成于网络设备中的芯片/功能模块,如图21所示,该装置包括:生成模块210和发送模块220,其中:
生成模块210,用于生成第一指示信息,所述第一指示信息用于指示随机接入配置索引。
发送模块220,用于向终端发送所述第一指示信息,其中,所述终端的随机接入资源由所述随机接入配置索引确定,下行信号对应的随机接入资源由所述随机接入资源与下行信号的关联关系确定。
可选地,所述随机接入资源与下行信号的关联关系包含随机接入资源的索引方式。
一种可能的实施方式中,随机接入资源的索引方式包括:根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f;或者,根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间内频域上确定所述下行信号对应的随机接入资源的频率位置f,再在频率位置f上确定所述下行信号对应的随机接入资源的时间t;或者,根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的周期内的N个时隙或子帧上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f,N为大于0的整数。
可选地,所述随机接人资源的时间范围由随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引确定。
又一实施方式中,发送模块220,还用于向所述终端发送第二指示信息,所述第二指示信息包括:随机接入时隙或者子帧的结构信息;所述随机接入资源所在的时间根据所述随机接入时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定。
发送模块220,还用于向所述终端发送第三指示信息,所述第三指示信息用于指示所述随机接入资源的索引方式;所述下行信号对应的随机接入资源根据所述随机接入资源的索引方式,在所述随机接入资源所在的时间内确定。
进一步地,所述随机接入资源的时间范围中随机接入前导的格式、系统帧位置,由随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引确定。
可选地,发送模块220,还用于向所述终端发送第四指示信息,所述第四指示信息用于指示实际传输的下行信号块。
上述装置可用于执行上述方法实施例提供的方法,具体实现方式和技术效果类似,这里不再赘述。
需要说明的是,应理解以上装置的各个模块的划分仅仅是一种逻辑功能的划分,实际实现时可以全部或部分集成到一个物理实体上,也可以物理上分开。且这些模块可以全部以软件通过处理元件调用的形式实现;也可以全部以硬件的形式实现;还可以部分模块通过处理元件调用软件的形式实现,部分模块通过硬件的形式实现。例如,确定模块可以为单独设立的处理元件,也可以集成在上述装置的某一个芯片中实现,此外,也可以以程序代码的形式存储于上述装置的存储器中,由上述装置的某一个处理元件调用并执行以上确定模块的功能。其它模块的实现与之类似。此外这些模块全部或部分可以集成在一起,也可以独立实现。这里所述的处理元件可以是一种集成电路,具有信号的处理能力。在实现过程中,上述方法的各步骤或以上各个模块可以通过处理器元件中的硬件的集成逻辑电路或者软件形式的指令完成。
例如,以上这些模块可以是被配置成实施以上方法的一个或多个集成电路,例如:一个或多个特定集成电路(Application Specific Integrated Circuit,ASIC),或,一个 或多个微处理器(digital signal processor,DSP),或,一个或者多个现场可编程门阵列(Field Programmable Gate Array,FPGA)等。再如,当以上某个模块通过处理元件调度程序代码的形式实现时,该处理元件可以是通用处理器,例如中央处理器(Central Processing Unit,CPU)或其它可以调用程序代码的处理器。再如,这些模块可以集成在一起,以片上系统(system-on-a-chip,SOC)的形式实现。
图22为本申请另一实施例提供的随机接入装置结构示意图,该装置可以集成于前述网络设备或终端,如图22所示,该装置包括:存储器10、处理器11、发射器12以及接收器13。
存储器10可以是独立的物理单元,与处理器11、发射器12以及接收器13可以通过总线14连接。存储器10、处理器11、发射器12以及接收器13也可以集成在一起,通过硬件实现等。
发射器12和接收器13还可以与天线连接,接收器13通过天线接收其他设备发送的信息,相应地,发射器12通过天线向其他设备发送信息。
存储器10用于存储实现以上方法实施例,或者装置实施例各个模块的程序,处理器11调用该程序,执行以上方法实施例的操作。
可选地,当上述实施例的随机接入方法中的部分或全部通过软件实现时,随机接入装置也可以只包括处理器。用于存储程序的存储器位于随机接入装置之外,处理器通过电路/电线与存储器连接,用于读取并执行存储器中存储的程序。
处理器可以是中央处理器(central processing unit,CPU),网络处理器(network processor,NP)或者CPU和NP的组合。
处理器还可以进一步包括硬件芯片。上述硬件芯片可以是专用集成电路(application-specific integrated circuit,ASIC),可编程逻辑器件(programmable logic device,PLD)或其组合。上述PLD可以是复杂可编程逻辑器件(complex programmable logic device,CPLD),现场可编程逻辑门阵列(field-programmable gate array,FPGA),通用阵列逻辑(generic array logic,GAL)或其任意组合。
存储器可以包括易失性存储器(volatile memory),例如随机存取存储器(random-access memory,RAM);存储器也可以包括非易失性存储器(non-volatile memory),例如快闪存储器(flash memory),硬盘(hard disk drive,HDD)或固态硬盘(solid-state drive,SSD);存储器还可以包括上述种类的存储器的组合。
上述实施例中,发送模块或发射器执行上述各个方法实施例发送的步骤,接收模块或接收器执行上述各个方法实施例接收的步骤,其它步骤由其他模块或处理器执行。发送模块和接收模块可以组成收发模块,接收器和发射器可以组成收发器。
本申请实施例还提供了一种计算机存储介质,存储有计算机程序,该计算机程序用于执行上述实施例提供的随机接入方法。
本申请实施例还提供了一种包含指令的计算机程序产品,当其在计算机上运行时,使得计算机执行上述实施例提供的随机接入方法。
本领域内的技术人员应明白,本申请的实施例可提供为方法、系统、或计算机程序产品。因此,本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本申请可采用在一个或多个其中包含有计算机可用程序 代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。

Claims (70)

  1. 一种随机接入方法,其特征在于,包括:
    终端接收网络设备发送的第一指示信息,所述第一指示信息用于指示随机接入配置索引;
    所述终端根据所述随机接入配置索引,确定随机接入资源;
    所述终端根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源;
    所述终端根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导。
  2. 根据权利要求1所述的方法,其特征在于,所述随机接入资源与下行信号的关联关系包含随机接入资源的索引方式。
  3. 根据权利要求2所述的方法,其特征在于,所述终端根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源,包括:
    所述终端根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f;或者,
    所述终端根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间内频域上确定所述下行信号对应的随机接入资源的频率位置f,再在频率位置f上确定所述下行信号对应的随机接入资源的时间t;或者,
    所述终端根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的周期内的N个时隙或子帧上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f,N为大于0的整数。
  4. 根据权利要求1所述的方法,其特征在于,所述终端根据所述随机接入配置索引,确定随机接入资源,包括:
    所述终端根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引,确定随机接入资源的时间范围。
  5. 根据权利要求4所述的方法,其特征在于,所述终端根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导之前,还包括:
    所述终端根据预设的时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定随机接入资源所在的时间,或者,
    所述终端接收所述网络设备发送的第二指示信息,所述第二指示信息包括:随机接入时隙或者子帧的结构信息;所述终端根据所述随机接入时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定随机接入资源所在的时间。
  6. 根据权利要求2或3所述的方法,其特征在于,所述终端根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导之前,还包括:
    所述终端获取预设的所述随机接入资源的索引方式;或者,
    所述终端接收所述网络设备发送的第三指示信息,所述第三指示信息用于指示所 述随机接入资源的索引方式。
  7. 根据权利要求1或4所述的方法,其特征在于,所述方法还包括:
    所述终端根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引,确定随机接入资源的时间范围中随机接入前导的格式、系统帧位置。
  8. 根据权利要求1或4所述的方法,其特征在于,所述方法还包括:
    所述终端接收所述网络设备发送的第四指示信息,所述第四指示信息用于指示实际传输的下行信号块。
  9. 一种随机接入方法,其特征在于,包括:
    网络设备生成第一指示信息,所述第一指示信息用于指示随机接入配置索引;
    所述网络设备向终端发送所述第一指示信息,其中,所述终端的随机接入资源由所述终端根据所述随机接入配置索引确定,下行信号对应的随机接入资源由所述终端根据所述随机接入资源与下行信号的关联关系确定。
  10. 根据权利要求9所述的方法,其特征在于,所述随机接入资源与下行信号的关联关系包含随机接入资源的索引方式。
  11. 根据权利要求10所述的方法,其特征在于,随机接入资源的索引方式包括:根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f;或者,根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间内频域上确定所述下行信号对应的随机接入资源的频率位置f,再在频率位置f上确定所述下行信号对应的随机接入资源的时间t;或者,根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的周期内的N个时隙或子帧上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f,N为大于0的整数。
  12. 根据权利要求9所述的方法,其特征在于,所述随机接人资源的时间范围由所述终端根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引确定。
  13. 根据权利要求12所述的方法,其特征在于,所述方法还包括:
    所述网络设备向所述终端发送第二指示信息,所述第二指示信息包括:随机接入时隙或者子帧的结构信息;所述随机接入资源所在的时间根据所述随机接入时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定。
  14. 根据权利要求10或11所述的方法,其特征在于,所述方法还包括:
    所述网络设备向所述终端发送第三指示信息,所述第三指示信息用于指示所述随机接入资源的索引方式;所述下行信号对应的随机接入资源根据所述随机接入资源的索引方式,在所述随机接入资源所在的时间内确定。
  15. 根据权利要求9或12所述的方法,其特征在于,所述方法还包括:
    所述网络设备向所述终端发送第四指示信息,所述第四指示信息用于指示实际传输的下行信号块。
  16. 一种随机接入方法,其特征在于,包括:
    终端接收来自网络设备的随机接入配置索引;
    所述终端根据所述随机接入配置索引,确定随机接入周期中的随机接入资源;
    所述终端根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源;
    所述终端根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导。
  17. 如权利要求16所述的方法,其中,所述下行信号为实际发送的下行信号。
  18. 如权利要求17所述的方法,根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源包括:
    通过将所述实际发送的下行信号依次映射随机接入周期中的随机接入资源,确定所述下行信号对应的随机接入资源,所述下行信号对应的随机接入资源不包括未被映射的随机接入资源,所述未被映射的随机接入资源不用于随机接入。
  19. 根据权利要求16至18中任一项所述的方法,所述终端根据所述随机接入配置索引,确定随机接入资源,包括:
    根据随机接入资源所在载波频率范围和随机接入配置索引,获取随机接入资源的以下参数中的一个或多个:随机接入前导格式、随机接入资源所在子帧或时隙的随机接入资源的起始OFDM符号位置、随机接入资源所在子帧或时隙的随机接入资源的数量、随机接入资源所在子帧或时隙的随机接入资源的持续时间。
  20. 根据权利要求16至18中任一项所述的方法,所述终端根据所述随机接入配置索引,确定随机接入资源,包括:
    根据随机接入资源所在载波频率范围和随机接入配置索引,获取随机接入资源的以下参数:随机接入前导格式、随机接入资源所在时隙的随机接入资源的起始OFDM符号位置、随机接入资源所在时隙的随机接入资源的数量、和,随机接入资源所在时隙的随机接入资源的持续时间。
  21. 根据权利要求16~20任意一项所述的方法,其特征在于,根据所述随机接入配置索引,确定随机接入周期中的随机接入资源,包括:
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧2和7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧2和7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A2/B2,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A2/B2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A3/B3,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A3/B3,所述随机接入资源位于系统帧的 子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为2,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为2,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1。
  22. 根据权利要求16~20任意一项所述的方法,其特征在于,根据所述随机接入配置索引,确定随机接入周期中的随机接入资源,包括:
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为B4,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A3,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A3,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随 机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为C2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为C2,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A3/B3,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A3/B3,所述随机接入资源所在时隙中的随机接入资源的数量为2个。
  23. 根据权利要求16至22中任一项所述的方法,其特征在于,所述下行信号为同步信号块和信道状态信息参考信号中的至少一种。
  24. 根据权利要求17至23中任一项所述的方法,进一步包括,所述终端接收来自所述网络设备的第四指示信息,所述第四指示信息用于指示实际传输的下行信号。
  25. 根据权利要求16至24中任一项所述的方法,其特征在于,所述随机接入周期中的随机接入资源根据实际传输的下行信号进行调整。
  26. 一种随机接入方法,其特征在于,包括:
    网络设备发送随机接入配置索引;
    所述网络设备根据所述随机接入配置索引对应的随机接入周期中的随机接入资源,以及随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源;
    所述网络设备根据所述下行信号对应的随机接入资源,接收来自终端的随机接入前导。
  27. 如权利要求26所述的方法,其中,所述下行信号为实际发送的下行信号。
  28. 如权利要求27所述的方法,所述根据所述随机接入配置索引对应的随机接入 周期中的随机接入资源,以及随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源包括:通过将所述实际发送的下行信号依次映射随机接入周期中的随机接入资源,确定所述下行信号对应的随机接入资源,所述下行信号对应的随机接入资源不包括未被映射的随机接入资源,所述未被映射的随机接入资源不用于随机接入。
  29. 根据权利要求26至28中任一项所述的方法,所述随机接入配置索引对应的随机接入周期中的随机接入资源,包括:
    随机接入资源所在载波频率范围和随机接入配置索引,对应随机接入资源的以下参数中的一个或多个:随机接入前导格式、随机接入资源所在子帧或时隙的随机接入资源的起始OFDM符号位置、随机接入资源所在子帧或时隙的随机接入资源的数量、随机接入资源所在子帧或时隙的随机接入资源的持续时间。
  30. 根据权利要求26至29中任一项所述的方法,所述随机接入配置索引对应的随机接入周期中的随机接入资源,包括:
    随机接入资源所在载波频率范围和随机接入配置索引,对应随机接入资源的以下参数:随机接入前导格式,随机接入资源所在时隙的随机接入资源的起始OFDM符号位置,随机接入资源所在时隙的随机接入资源的数量,和,随机接入资源所在时隙的随机接入资源的持续时间。
  31. 根据权利要求26~30任意一项所述的方法,其特征在于,随机接入配置索引对应的随机接入周期中的随机接入资源,包括:
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧2和7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧2和7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A2/B2,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A2/B2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A3/B3,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A3/B3,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧9 上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为2,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为2,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1。
  32. 根据权利要求26~30任意一项所述的方法,其特征在于,随机接入配置索引对应的随机接入周期中的随机接入资源,包括:
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为B4,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A3,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A3,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为C2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为C2,所述随机接入资源所在时隙中的随 机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A3/B3,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A3/B3,所述随机接入资源所在时隙中的随机接入资源的数量为2个。
  33. 如权利要求26-32中任一项所述的方法,所述下行信号为同步信号块和信道状态信息参考信号中的至少一种。
  34. 根据权利要求26至33中任一项所述的方法,进一步包括,还包括:
    发送第四指示信息,所述第四指示信息用于指示实际传输的下行信号。
  35. 根据权利要求26至34中任一项所述的方法,其特征在于,所述随机接入周期中的随机接入资源根据实际传输的下行信号进行调整。
  36. 一种随机接入装置,其特征在于,包括:
    接收模块,用于接收网络设备发送的第一指示信息,所述第一指示信息用于指示随机接入配置索引;
    确定模块,用于根据所述随机接入配置索引,确定随机接入资源;根据所述随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源;
    发送模块,用于根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导。
  37. 根据权利要求36所述的装置,其特征在于,所述随机接入资源与下行信号的关联关系包含随机接入资源的索引方式。
  38. 根据权利要求37所述的装置,其特征在于,所述确定模块,具体用于根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f;或者,根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间内频域上确定所述下行信号对应的随机接入资源的频率位置f,再在频率位置f上确定所述下行信号对应的随机接入资源的时间t;或者,根据随机接入资源的索引方式和相同时间上随机接入资 源的个数,先在所述随机接入资源所在的周期内的N个时隙或子帧上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f,N为大于0的整数。
  39. 根据权利要求36所述的装置,其特征在于,所述确定模块,具体用于根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引,确定随机接入资源的时间范围。
  40. 根据权利要求39所述的装置,其特征在于,所述确定模块,还用于在所述发送模块根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导之前,根据预设的时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定随机接入资源所在的时间,或者,接收所述网络设备发送的第二指示信息,所述第二指示信息包括:随机接入时隙或者子帧的结构信息;根据所述随机接入时隙或者子帧的结构信息,在所述随机接入资源的时间范围内确定随机接入资源所在的时间。
  41. 根据权利要求37或38所述的装置,其特征在于,所述确定模块,还用于获取预设的所述随机接入资源的索引方式;或者,所述接收模块,还用于接收所述网络设备发送的第三指示信息,所述第三指示信息用于指示所述随机接入资源的索引方式。
  42. 根据权利要求36或39所述的装置,其特征在于,所述确定模块,还用于根据随机接入前导的子载波间隔、随机接入前导的序列长度、最大下行信号块数量、实际传输的下行信号块中一项或多项、以及所述随机接入配置索引,确定随机接入资源的时间范围中随机接入前导的格式、系统帧位置。
  43. 根据权利要求36或39所述的装置,其特征在于,所述接收模块,还用于接收所述网络设备发送的第四指示信息,所述第四指示信息用于指示实际传输的下行信号块。
  44. 一种随机接入装置,其特征在于,包括:
    生成模块,用于生成第一指示信息,所述第一指示信息用于指示随机接入配置索引;
    发送模块,用于向终端发送所述第一指示信息,其中,所述终端的随机接入资源由所述随机接入配置索引确定,下行信号对应的随机接入资源由所述随机接入资源与下行信号的关联关系确定。
  45. 根据权利要求44所述的装置,其特征在于,所述随机接入资源与下行信号的关联关系包含随机接入资源的索引方式。
  46. 根据权利要求45所述的装置,其特征在于,随机接入资源的索引方式包括:根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间上确定所述下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f;或者,根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的时间内频域上确定所述下行信号对应的随机接入资源的频率位置f,再在频率位置f上确定所述下行信号对应的随机接入资源的时间t;或者,根据随机接入资源的索引方式和相同时间上随机接入资源的个数,先在所述随机接入资源所在的周期内的N个时隙或子帧上确定所述 下行信号对应的随机接入资源的时间t、再在时间t上确定所述下行信号对应的随机接入资源的频率位置f,N为大于0的整数。
  47. 一种随机接入装置,其特征在于,包括:
    第一接收模块,用于接收来自网络设备的随机接入配置索引;
    确定模块,用于根据所述随机接入配置索引,确定随机接入周期中的随机接入资源;
    发送模块,用于根据所述下行信号对应的随机接入资源,向所述网络设备发送随机接入前导。
  48. 根据权利要求47所述的装置,其特征在于,所述下行信号为实际发送的下行信号。
  49. 根据权利要求48所述的装置,其特征在于,所述确定模块,具体用于:通过将所述实际发送的下行信号依次映射随机接入周期中的随机接入资源,确定所述下行信号对应的随机接入资源,所述下行信号对应的随机接入资源不包括未被映射的随机接入资源,所述未被映射的随机接入资源不用于随机接入。
  50. 根据权利要求47至49中任一项所述的装置,其特征在于,所述确定模块,具体用于:根据随机接入资源所在载波频率范围和随机接入配置索引,获取随机接入资源的以下参数中的一个或多个:随机接入前导格式、随机接入资源所在子帧或时隙的随机接入资源的起始OFDM符号位置、随机接入资源所在子帧或时隙的随机接入资源的数量、随机接入资源所在子帧或时隙的随机接入资源的持续时间。
  51. 根据权利要求47至49中任一项所述的装置,其特征在于,所述确定模块,具体用于:根据随机接入资源所在载波频率范围和随机接入配置索引,获取随机接入资源的以下参数:随机接入前导格式、随机接入资源所在时隙的随机接入资源的起始OFDM符号位置、随机接入资源所在时隙的随机接入资源的数量、和,随机接入资源所在时隙的随机接入资源的持续时间。
  52. 根据权利要求47至51中任一项所述的装置,其特征在于,所述确定模块,具体用于:
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧 7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧2和7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧2和7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A2/B2,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A2/B2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A3/B3,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A3/B3,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为2,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为2,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧4 上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1。
  53. 根据权利要求47至51中任一项所述的装置,其特征在于,所述确定模块,具体用于:
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为B4,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A3,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A3,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为C2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为C2,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A3/B3,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A3/B3,所述随机接入资源所在时隙中的随机接入资源的数量为2个。
  54. 根据权利要求47至53中任一项所述的装置,其特征在于,所述下行信号为同步信号块和信道状态信息参考信号中的至少一种。
  55. 根据权利要求48至54中任一项所述的装置,其特征在于,所述装置还包括:
    第二接收模块,用于接收来自所述网络设备的第四指示信息,所述第四指示信息用于指示实际传输的下行信号。
  56. 根据权利要求47至55中任一项所述的装置,其特征在于,所述随机接入周期中的随机接入资源根据实际传输的下行信号进行调整。
  57. 一种随机接入装置,其特征在于,包括:
    第一发送模块,用于发送随机接入配置索引;
    确定模块,用于根据所述随机接入配置索引对应的随机接入周期中的随机接入资源,以及随机接入资源与下行信号的关联关系,确定所述下行信号对应的随机接入资源;
    接收模块,用于根据所述下行信号对应的随机接入资源,接收来自终端的随机接入前导。
  58. 根据权利要求57所述的装置,其特征在于,其中,所述下行信号为实际发送 的下行信号。
  59. 根据权利要求58所述的装置,其特征在于,所述确定模块,具体用于:通过将所述实际发送的下行信号依次映射随机接入周期中的随机接入资源,确定所述下行信号对应的随机接入资源,所述下行信号对应的随机接入资源不包括未被映射的随机接入资源,所述未被映射的随机接入资源不用于随机接入。
  60. 根据权利要求57至59所述的装置,其特征在于,所述随机接入配置索引对应的随机接入周期中的随机接入资源,包括:
    随机接入资源所在载波频率范围和随机接入配置索引,对应随机接入资源的以下参数中的一个或多个:随机接入前导格式、随机接入资源所在子帧或时隙的随机接入资源的起始OFDM符号位置、随机接入资源所在子帧或时隙的随机接入资源的数量、随机接入资源所在子帧或时隙的随机接入资源的持续时间。
  61. 根据权利要求57至60所述的装置,其特征在于,所述随机接入配置索引对应的随机接入周期中的随机接入资源,包括:
    随机接入资源所在载波频率范围和随机接入配置索引,对应随机接入资源的以下参数:随机接入前导格式,随机接入资源所在时隙的随机接入资源的起始OFDM符号位置,随机接入资源所在时隙的随机接入资源的数量,和,随机接入资源所在时隙的随机接入资源的持续时间。
  62. 根据权利要求57至61所述的装置,其特征在于,
    随机接入配置索引对应的随机接入周期中的随机接入资源,包括:
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C0,所述随机接入资源位于系统帧的子帧2和7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧2和7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为C2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模2等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A1/B1,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A2/B2,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A2/B2,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A3/B3,所述随机接入资源位于系统帧的子帧1和6上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为A3/B3,所述随机接入资源位于系统帧的子帧4和9上,其中所述系统帧的帧号满足系统帧号模1等于0;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧9 上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为0,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为1,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为2,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为2,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于0;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模8等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧1上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧4上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧7上,其中所述系统帧的帧号满足系统帧号模4等于1;或
    所述随机接入配置索引对应前导格式为3,所述随机接入资源位于系统帧的子帧9上,其中所述系统帧的帧号满足系统帧号模4等于1。
  63. 根据权利要求57至60任一项所述的装置,其特征在于,
    随机接入配置索引对应的随机接入周期中的随机接入资源,包括:
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为A1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为B1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为B4,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A2,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A3,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A3,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为C0,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为C2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为C2,所述随机接入资源所在时隙中的随 机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为6个;或
    所述随机接入配置索引对应的前导格式为A1/B1,所述随机接入资源所在时隙中的随机接入资源的数量为7个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为2个;或
    所述随机接入配置索引对应的前导格式为A2/B2,所述随机接入资源所在时隙中的随机接入资源的数量为3个;或
    所述随机接入配置索引对应的前导格式为A3/B3,所述随机接入资源所在时隙中的随机接入资源的数量为1个;或
    所述随机接入配置索引对应的前导格式为A3/B3,所述随机接入资源所在时隙中的随机接入资源的数量为2个。
  64. 根据权利要求57至63任一项所述的装置,其特征在于,所述下行信号为同步信号块和信道状态信息参考信号中的至少一种。
  65. 根据权利要求57至64任一项所述的装置,其特征在于,还包括:
    第二发送模块,用于发送第四指示信息,所述第四指示信息用于指示实际传输的下行信号。
  66. 根据权利要求57至65任一项所述的装置,其特征在于,所述随机接入周期中的随机接入资源根据实际传输的下行信号进行调整。
  67. 一种信息传输装置,其特征在于,用于执行如权利要求1至35任一项所述的方法。
  68. 一种信息传输装置,其特征在于,包括:存储器和处理器;所述处理器被配置为支持所述装置执行如权利要求1至35任一项所述的方法的功能,所述存储器用于保存所述装置必要的程序和数据。
  69. 一种计算机存储介质,其特征在于,用于存储计算机程序,当所述计算机程序在计算机上运行时,使得所述计算机执行如权利要求1至35任一项所述的方法。
  70. 一种计算机程序产品,其特征在于,当所述计算机程序产品在计算机上运行时,使得所述计算机执行如权利要求1至35任一项所述的方法。
PCT/CN2018/109058 2017-09-30 2018-09-30 随机接入方法及装置 WO2019063007A1 (zh)

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