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WO2019096210A1 - Procédé et dispositif d'attribution de ressources - Google Patents

Procédé et dispositif d'attribution de ressources Download PDF

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Publication number
WO2019096210A1
WO2019096210A1 PCT/CN2018/115666 CN2018115666W WO2019096210A1 WO 2019096210 A1 WO2019096210 A1 WO 2019096210A1 CN 2018115666 W CN2018115666 W CN 2018115666W WO 2019096210 A1 WO2019096210 A1 WO 2019096210A1
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WO
WIPO (PCT)
Prior art keywords
resource
configuration information
resource set
type
identifiers
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/115666
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English (en)
Chinese (zh)
Inventor
任海豹
秦熠
张闽
李元杰
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2019096210A1 publication Critical patent/WO2019096210A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present application relates to the field of communications, and more particularly to a method and apparatus for resource allocation.
  • the New Radio (NR) system supports uplink beamforming to improve the coverage of uplink transmissions, but for upstream transmissions.
  • the network device can estimate the receive beam that should be used according to the transmit beam of the terminal device.
  • the terminal device performs beam measurement according to the sounding reference signal (SRS), that is, the network device selects an appropriate receiving beam according to the SRS, and selects a suitable transmitting beam for the terminal device, and configures the configuration information to the terminal device.
  • SRS sounding reference signal
  • the configuration information configuration resource is mainly used for beam training. If the resources configured by the configuration information have multiple functions, how to perform resource configuration needs to be solved.
  • the present application provides a method and apparatus for resource allocation, which can improve resource utilization.
  • the first aspect provides a method for resource allocation, where the network device generates first configuration information, where the first configuration information is used to indicate a resource collection type of each first resource set in the at least one first resource set; The network device sends the first configuration information to the terminal device.
  • the network device generates first configuration information for indicating a resource set type of each of the at least one first resource set, and sends the first configuration information to the terminal device, which can help the terminal device according to the first A configuration information is used to perform reasonable resource allocation, thereby improving resource utilization.
  • the method further includes: the network device sending second configuration information, where the second configuration information is used to indicate the first resource included in each of the first resource sets.
  • the network device can separately send the first configuration information and the second configuration information, which improves the flexibility of resource configuration.
  • the resource set type includes a first type, a second type, and a third type, where different resources in the first type of resource set are used to transmit uplink signals on different time units,
  • Each of the second type of resource set is configured to transmit an uplink signal on a first time unit, and a part of the third type of resource set is used to transmit an uplink signal on a second time unit.
  • the network device configures appropriate resources for the terminal device to improve resource utilization.
  • the first configuration information includes at least one resource identifier of the multiple resource identifiers, where the multiple resource identifiers correspond to the first resources included in the at least one first resource set.
  • the first configuration information includes at least one of a plurality of resource set identifiers and at least one of the plurality of resource identifiers, each of the plurality of resource set identifiers
  • the resource set identifier corresponds to a first resource set
  • each of the multiple resource identifiers corresponds to a first resource in the first resource set.
  • the method further The network device sends the third configuration information to the terminal device, where the third configuration information is used to indicate that the resource collection type of the second resource set in the at least one second resource set is the second type or The third type.
  • the method further includes: the network device sending fourth configuration information to the terminal device, where the fourth configuration information is used to indicate each of the at least one second resource set The second resource included in the second resource set.
  • the second resource includes multiple antenna ports
  • the fourth configuration information includes at least one of the resource identifiers
  • at least one of the multiple antenna ports corresponds to one of the Resource ID.
  • the second configuration information includes at least one of the resource identifiers, and each of the at least one second resource set corresponds to one of the resource identifiers.
  • the method before the determining, by the network device, the first configuration information, the method further includes:
  • the network device receives capability information, where the capability information includes a number of first resource sets supported by the terminal device or the first resource set includes a number of first resources.
  • the capability information further includes a resource set type of the first resource set.
  • a method for resource allocation includes: receiving, by a terminal device, first configuration information, where the first configuration information is used to indicate resources of each first resource set in the at least one first resource set a set type; the terminal device determines, according to the first configuration information, a resource set type of the at least one first resource set.
  • first configuration information indicating a resource set type of each of the at least one first resource set
  • determining, according to the first configuration information, resources of the at least one first resource set The type root of the collection helps the terminal device to perform reasonable resource allocation, thereby improving resource utilization.
  • the method further includes: the terminal device receiving second configuration information, where the second configuration information is used to indicate the first resource included in each of the first resource sets; The device determines, according to the first configuration information and the second configuration information, the first resource included in each of the first resource sets.
  • the resource set type includes a first type, a second type, and a third type, where different resources in the first type of resource set are used to transmit uplink signals on different time units,
  • Each of the second type of resource set is configured to transmit an uplink signal on a first time unit, and a part of the third type of resource set is used to transmit an uplink signal on a second time unit.
  • the first configuration information includes at least one resource identifier of the multiple resource identifiers, where the multiple resource identifiers correspond to the first resources included in the at least one first resource set.
  • the first configuration information includes at least one of a plurality of resource set identifiers and at least one of the plurality of resource identifiers, each of the plurality of resource set identifiers
  • the resource set identifier corresponds to a first resource set
  • each of the multiple resource identifiers corresponds to a first resource in the first resource set.
  • the method further include:
  • the terminal device receives the third configuration information, where the third configuration information is used to indicate that the resource collection type of the second resource set in the at least one second resource set is the second type or the third type.
  • the method further includes: the terminal device receiving fourth configuration information, where the fourth configuration information is used to indicate that each of the at least one second resource set includes The second resource.
  • the second resource includes multiple antenna ports
  • the fourth configuration information includes multiple resource identifiers
  • at least one of the multiple antenna ports corresponds to one Resource ID.
  • the second configuration information includes a plurality of the resource identifiers, and each of the at least one second resource set corresponds to one of the resource identifiers.
  • the method before the determining, by the network device, the first configuration information, the method further includes: the terminal device sending capability information, where the capability information includes a first resource supported by the terminal device The number of sets or the first set of resources includes the number of first resources.
  • the capability information further includes a resource set type of the first resource set.
  • a device for resource allocation is provided, and the device may be a network device or a chip in the network device.
  • the device has the functionality to implement the various embodiments of the first or sixth aspect described above. This function can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more units corresponding to the functions described above.
  • the network device comprises: a processing module and a transceiver module
  • the processing module may be, for example, a processor
  • the transceiver module may be, for example, a transceiver
  • the transceiver Includes RF circuitry
  • the network device further includes a storage module, which may be, for example, a memory.
  • the storage module is configured to store a computer execution instruction
  • the processing module is connected to the storage module, and the processing module executes a computer execution instruction stored by the storage module, so that the network device performs the first aspect Or the method of resource allocation according to any of the sixth aspects.
  • the chip when the device is a chip in a network device, the chip includes: a processing module and a transceiver module, and the processing module may be, for example, a processor, and the transceiver module may be, for example, the chip. Input/output interface, pins or circuits, etc.
  • the processing module may execute a computer execution instruction stored by the storage module to cause the chip in the terminal to perform the resource allocation method of any of the first aspect or the sixth aspect.
  • the storage module is a storage module in the chip, such as a register, a cache, etc.
  • the storage module may also be a storage module located outside the chip in the network device, such as a read-only memory ( Read-only memory (ROM) or other types of static storage devices, random access memory (RAM), etc. that can store static information and instructions.
  • ROM Read-only memory
  • RAM random access memory
  • the processor mentioned in any of the above may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more for controlling the above.
  • the present application provides a device for resource allocation, which may be a terminal device or a chip in a terminal device.
  • the apparatus has the functionality to implement the various embodiments of any of the second, third, fourth, and fifth aspects described above.
  • This function can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more units corresponding to the functions described above.
  • the terminal device when the device is a terminal device, the terminal device includes: a processing module and a transceiver module, the processing module may be, for example, a processor, and the transceiver module may be, for example, a transceiver, the transceiver The radio frequency circuit is included.
  • the terminal device further includes a storage module, and the storage module may be, for example, a memory.
  • the storage module is configured to store a computer execution instruction
  • the processing module is connected to the storage module, and the processing module executes a computer execution instruction stored by the storage module, so that the terminal device performs the second aspect
  • the method of resource allocation of any of the third aspect, the fourth aspect, and the fifth aspect are examples of resource allocation of any of the third aspect, the fourth aspect, and the fifth aspect.
  • the chip when the device is a chip in the terminal device, the chip includes: a processing module and a transceiver module, and the processing module may be, for example, a processor, and the transceiver module may be, for example, the chip. Input/output interface, pins or circuits, etc.
  • the processing module may execute computer execution instructions stored by the storage module to cause the chip in the terminal device to perform resource allocation according to any one of the second aspect, the third aspect, the fourth aspect, and the fifth aspect Methods.
  • the storage module is a storage module in the chip, such as a register, a cache, etc., and the storage module may also be a storage module located outside the chip in the terminal device, such as a ROM or may be stored. Static information and instructions for other types of static storage devices, RAM, etc.
  • the processor mentioned in any of the above may be a CPU, a microprocessor, an ASIC, or one or more for controlling any of the above second aspect, the third aspect, the fourth aspect, and the fifth aspect. Aspects of the method of resource allocation are performed by an integrated circuit of a program.
  • a communication system comprising: the apparatus of the above eighth aspect and the apparatus of the above ninth aspect.
  • a computer storage medium the program storage code storing program code for indicating execution of any one of the above first to seventh aspects or any possible implementation thereof The instructions of the method.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of any one of the first to seventh aspects above or any possible implementation thereof.
  • the network device generates first configuration information for indicating a resource set type of each of the at least one first resource set, and sends the first configuration information to the terminal device, which can help The terminal device performs reasonable resource configuration according to the first configuration information, thereby improving resource utilization.
  • FIG. 1 is a schematic diagram of an application scenario of the present application
  • FIG. 2 is a schematic diagram of a transmission mode in which an SRS resource is used to transmit an SRS
  • FIG. 3 is a schematic flowchart of uplink data transmission in an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a method for resource allocation in an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of an apparatus for resource allocation according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of an apparatus for resource allocation according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of an apparatus for resource allocation according to another embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an apparatus for resource allocation according to another embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the terminal device in the embodiment of the present application may refer to a user equipment, an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or User device.
  • the terminal device may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device in the embodiment of the present application may be a device for communicating with the terminal device, and the network device may be a Global System of Mobile communication (GSM) system or Code Division Multiple Access (CDMA).
  • Base Transceiver Station which may also be a base station (NodeB, NB) in a Wideband Code Division Multiple Access (WCDMA) system, or an evolved base station in an LTE system (Evolutional The NodeB, eNB or eNodeB) may also be a wireless controller in a Cloud Radio Access Network (CRAN) scenario, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a future.
  • the network device in the 5G network or the network device in the PLMN network in the future is not limited in this embodiment.
  • FIG. 1 is a schematic diagram of an application scenario of the present application.
  • the communication system of FIG. 1 may include user equipment 10 and network equipment 20.
  • the network device 20 is configured to provide communication services for the user equipment 10 and access the core network.
  • the user equipment 10 accesses the network by searching for synchronization signals, broadcast signals, and the like transmitted by the network device 20, thereby performing communication with the network.
  • the arrows shown in FIG. 1 may represent uplink/downlink transmissions by a cellular link between user equipment 10 and network device 20.
  • the NR system supports uplink beamforming to improve the coverage of the uplink transmission, but for uplink transmission.
  • the concept of beam indication is introduced in the NR, that is, the network device passes the explicit or implicit indication.
  • the mode indicates the beam of the uplink transmission, so that the terminal device can learn the beam for the uplink transmission according to the indication manner.
  • the network device may configure, for the terminal device, an uplink resource for transmitting a Sounding Reference Signal (SRS), and the terminal device sends an SRS on the uplink resource, and the network device may perform an uplink channel according to the SRS.
  • Measurement that is, the relevant parameters of the uplink channel can be calculated.
  • the related parameter may be channel quality information (CQI), reference signal reception power (RSRP), channel state information (CSI), etc., where CSI generally includes channel quality information. Or transmitting at least one of precoding information or transmission rank information.
  • a beam may refer to a precoding vector having a certain energy transmission directivity and capable of identifying the precoding vector by using index information, where the energy transmission directivity refers to receiving precoding processing through the precoding vector within a certain spatial position.
  • the latter signal has better receiving power, such as satisfying the receiving demodulation signal-to-noise ratio, etc., and in other spatial locations, the power of the signal after pre-coding processing through the pre-coding vector is low, and the receiving demodulation is not satisfied. Signal to noise ratio.
  • Different communication devices may have different precoding vectors, ie corresponding to different beams.
  • one communication device may use one or more of a plurality of different precoding vectors at the same time, ie simultaneously
  • One beam or multiple beams can be formed.
  • the beam can be defined as a spatial resource.
  • the index information may be used to identify the beam, and the index information may be corresponding to the corresponding resource ID of the user, such as a channel-state information-reference signal (CSI-RS) corresponding to a certain configuration.
  • the ID may also correspond to the ID of the configured Sounding Reference Signal (SRS), or, optionally, the index information may also be an index of a specific signal or channel display or implicit bearer carried by the beam.
  • the information includes, but is not limited to, transmitting a synchronization signal through the beam or a broadcast channel indicating index information of the beam.
  • the network device can also perform beam measurement according to the SRS, that is, the network device selects an appropriate receiving beam according to the SRS, and selects a suitable transmitting beam for the terminal device, and configures the signal to the terminal device.
  • the terminal device may configure multiple antenna panels, and each antenna panel may simultaneously form at least one beam and form different beams at different times.
  • the network device needs to configure different SRS uplink resources for different uplink beams.
  • the concept of SRS resource set or SRS resource group is introduced in the NR.
  • One SRS resource set includes one or more SRS resources, and the network device can configure one or more SRS resource sets for the terminal device to implement beam measurement.
  • the SRS resource in the SRS resource set cannot be used for the terminal device to transmit the SRS.
  • the SRS resource in the SRS resource set cannot be used for the terminal device to transmit the SRS.
  • only one SRS resource in the same SRS resource set is used for the terminal device to transmit the SRS.
  • two SRS resources belonging to different SRS resource sets can be used for transmitting SRS at the same time.
  • each SRS resource set includes M SRS resources.
  • the SRS resources corresponding to different SRS resource groups can be sent at the same time, so that the terminal device can send at most N SRSs at the same time, and one SRS is sent through one beam corresponding to each panel, and N panels simultaneously send M different SRSs.
  • the configuration information configuration resource is mainly used for beam training. If the resources configured by the configuration information may have multiple functions, how to perform resource configuration needs to be solved.
  • FIG. 3 is a schematic flowchart of uplink data transmission in the embodiment of the present application.
  • uplink signal transmission There are two types of uplink signal transmission, one is a multiple-input multiple-output (MIMO) transmission based on codebook, and the other is uplink MIMO transmission based on codebook.
  • MIMO multiple-input multiple-output
  • the network device sends configuration information 1 to the terminal device, where the configuration information 1 is used to indicate an SRS resource.
  • the terminal device sends an SRS on the SRS resource indicated by the configuration information 1.
  • the network device determines an optimal beam according to the SRS.
  • steps 301-303 may be referred to as a beam training process.
  • the network device may further send configuration information 2 to the terminal device, where the configuration information 2 is used to indicate the SRS resource.
  • the terminal device sends an SRS on the SRS resource indicated by the configuration information 2.
  • the network device determines, according to the SRS, a precoding vector/matrix that needs to be used for uplink data transmission.
  • the network device sends control information, where the control information carries optimal beam information and/or a precoding vector/matrix that needs to be used for uplink data transmission.
  • precoding vector/matrix may also be rank and precoding index information.
  • Steps 304-307 may also be referred to as uplink CSI acquisition, ie, an uplink channel state measurement procedure.
  • the terminal device sends uplink data according to the control information.
  • the network device may perform CSI measurement according to the SRS sent by the terminal device in step 302 to obtain a precoding vector/matrix. That is to say, the beam training process and the uplink channel state measurement process are performed simultaneously. That is, there is no need to perform steps 304-306.
  • control information directly indicates the precoding vector/matrix that the upstream data transmission needs to use.
  • control information indirectly indicates a precoding vector/matrix that the upstream data transmission needs to use.
  • control information indicates that the precoding required for the uplink data transmission is consistent with the precoding corresponding to the one or more SRS resources, and the terminal device performs the uplink data transmission according to the precoding vector/matrix.
  • FIG. 4 is a schematic flowchart of a method for resource allocation in an embodiment of the present application.
  • the network device generates first configuration information, where the first configuration information is used to indicate a type of each first resource set in the at least one first resource set.
  • the multiple resources in the resource set may be separately indicated, or may be a unified indication, that is, information indicating only one of the first resources in the resource set, and other resources in the resource set and the first resource.
  • the information is the same.
  • first resources included in different first resource sets in the at least one first resource set may be the same or different.
  • the types of the at least one first resource set may all be the same, may be partially the same, or may be different. The present application is not limited.
  • the network device may further generate second configuration information, where the second configuration information is used to indicate the first resource included in each first resource set.
  • This second configuration information may be the same as the configuration information 1 in the embodiment shown in FIG.
  • the first resource may include a frequency domain resource and a port.
  • first configuration information and the second configuration information may be carried in the same signaling, which is not limited in this application.
  • first configuration information may further include time domain resources, and/or frequency hopping information, and the like.
  • the time domain resource may include one or more of a period of the first resource transmission, a time unit offset, and the like.
  • the network device may further send, to the terminal device, indication information, where the indication information is used to indicate a resource identifier of the first resource included in the first resource set.
  • the indication information is used to indicate that SRI1 and SRI3 belong to the first resource set 1, and SRI2, SRI4, and SRI5 belong to the second resource set.
  • the indication information may be carried in the same signaling as the first configuration information, or the indication information and the second configuration information may be carried in the same signaling, or may be the indication information, the first configuration. Both the information and the second configuration information are in the same signaling, which is not limited in this application.
  • the type of the resource set includes a first type, a second type, and a third type, where different resources in the first type of resource set are used to transmit an uplink signal on different time units, and the second type of resource Each resource in the set is used to transmit an uplink signal on a first time unit, and a portion of the resources in the third type of resource set are used to transmit an uplink signal on the second time unit.
  • the resources in the first type of resource set cannot simultaneously transmit the uplink signal on one time unit, that is, each resource in the first type of resource set separately transmits the uplink signal on one time unit. All resources in the second type of resource set can transmit uplink signals on the same time unit.
  • a third type of resource set is applied to a scenario in which the resource set includes multiple resources, and a part of resources of more than one resource among the multiple resources may transmit uplink signals on the same time unit.
  • first time unit may be the same as or different from the second time unit, and only a certain time unit is indicated here.
  • the time unit may be at least one of a frame, a subframe, a time slot, a mini slot, and a symbol.
  • the at least one first resource set indicated by the first configuration information determined by the network device may be the first resource set of the first type.
  • the first resource is used to transmit the SRS
  • the network device may configure a first resource set of the first type for each panel of the terminal device during the beam training process. That is, the number of the first resource set is the same as the number of the antenna panels of the terminal device, and the number of the first resources included in the first resource set may be the number of beams supported by the panel corresponding to the first resource set.
  • the at least one first resource set indicated by the first configuration information determined by the network device may be a second type of resource set, or may be a third type of resource set.
  • the network device may determine, according to an agreement with the terminal device, whether the type of the first resource set is the second type or the third type.
  • part of the first resource set may be the second type, and part of the first resource set is the third type.
  • the network device or the terminal device may also determine the type of the first resource set according to the carrier frequency point.
  • the network device may determine that the type of the first resource set is the second type when the carrier frequency is less than or equal to 6 GHz.
  • the network device may also agree with the terminal device to map the type of the first resource set to the carrier frequency point, that is, the terminal device may determine the type of the first resource set according to the carrier frequency, so that the network device does not need to specifically indicate the The type of the first resource set, thereby saving the overhead of the air interface resource.
  • the network device may further receive capability information sent by the terminal device.
  • the capability information includes the number of the first resource set, or the number of the first resources included in the first resource set.
  • the network device sends the foregoing capability information to the terminal device, and the terminal device may perform the resource set configuration according to the traditional solution according to the capability information, or may perform other operations on the capability information, which is not limited in this application. .
  • the capability information may further include a number of ports included in each first resource.
  • the capability information may further include a resource collection type of the first resource set.
  • the network device may determine, according to the capability information, a resource collection type of the first resource set. If there is no transceiving between the terminal device and the network device, the first resource set in the capability information reported by the terminal device is the first type. If there is a transceiving between the terminal device and the network device, the terminal device defaults to the second resource type in the capability information.
  • the terminal device may carry the capability information by using the high layer signaling, where the high layer signaling may include a radio resource control (RRC) signaling or a media access control control element (MAC).
  • RRC radio resource control
  • MAC media access control control element
  • the network device sends the first configuration information.
  • the terminal device receives the first configuration information.
  • the first configuration information indicates that the type of each first resource set is the first type.
  • the first configuration information may indicate that the type of each first resource set is the first type, or may only indicate that the type of the first resource set is the first type, and the types of the other first resource sets are The types of the first resource sets are the same, which is not limited in this application.
  • the network device may also send, to the terminal device, second configuration information that is used to indicate the first resource included in each first resource set.
  • the first configuration information of the network device may also indicate that the type of the at least one first resource set is the second type or the third type.
  • the first configuration information includes at least one resource identifier of the multiple resource identifiers, and the multiple resource identifiers are in one-to-one correspondence with all the first resources included in the at least one first resource set.
  • the first configuration information may include at least one resource identifier of the multiple resource identifiers, that is, the first configuration information may configure a part of the first resources of all the first resources included in the at least one resource set. All the first resources included in the at least one first resource set respectively correspond to one first resource.
  • the resource identifier may be used to indicate a beam for uplink transmission corresponding to the corresponding first resource, and only one beam scenario may be generated in one time unit for one antenna panel, and the network device may indicate the first by using the resource identifier.
  • the first resource is an SRS resource
  • the first configuration information is used to indicate each first resource of the two first resource sets, and one first resource set includes two first resources, and another first resource set Includes 3 first resources.
  • the first configuration information may include five SRS resource identifiers (SRIs), which are SRI0, SRI1, SRI2, SRI3, SRI4, and SRI5, respectively.
  • the first configuration information including the resource identifier may be carried in the high layer signaling.
  • the high layer signaling may include RRC signaling or MAC CE signaling.
  • the first configuration information includes at least one resource set identifier of the multiple resource set identifiers and at least one resource identifier of the multiple resource identifiers, where the multiple resource set identifiers are in one-to-one correspondence with the at least one resource set.
  • the plurality of resource identifiers are in one-to-one correspondence with all the first resources included in the first resource set.
  • the first configuration information may include a resource set identifier and a resource identifier.
  • the resource set identifier is used to indicate one of the at least one first resource set, and the resource identifier is used to indicate a resource in the first resource set.
  • the first configuration information is used to indicate each first resource of the two first resource sets, and one first resource set includes two first resources, and another first resource set includes two first resources.
  • the first configuration information may include a resource set group and a resource identifier (SRI), and are indicated as SRS group1+SRI 1, SRS group1+SRI2, SRS group2+SRI1, and SRS group2+SRI2, respectively.
  • the resource set identifier and the resource identifier may be respectively carried in different information.
  • the resource identifier may be carried in the control information (DCI), and the resource set identifier may be carried in the high layer signaling or the physical layer signaling. .
  • DCI control information
  • the resource set identifier may be carried in the high layer signaling or the physical layer signaling.
  • the first configuration information may further include a channel state information reference signal resource identifier (CRI).
  • CRI is used to indicate that the downlink receiving beam and the uplink transmitting beam of the terminal device meet the beam consistency. That is, the uplink receiving beam can be obtained according to the downlink receiving beam, and the uplink optimal beam is obtained through downlink beam training.
  • the CRI may also indicate that the precoding of the downlink signal is the same as the precoding of the uplink signal. In this way, the signal transmission efficiency is improved in the scenario where the uplink and downlink are not reciprocal.
  • the CRI may indicate that the beam or precoding used in the SRS transmission in each SRS resource set is the same as the receive beam or precoding used when receiving the CSI-RS corresponding to the CRI.
  • the network device sends the third configuration information to the terminal device, where the third The configuration information is used to indicate that the resource collection type of the second resource set in the at least one second resource set is the second type or the third type.
  • the second resource may also be used to transmit the SRS, and the SRS of the terminal device is transmitted by the second resource, and the network device may perform channel state measurement to obtain precoding of the uplink data transmission. That is to say, the network device performs beam training and channel state measurement, and the resource set configured by the network device for beam training is of the first type.
  • the type of resource set used for channel state measurement is of a second type or a third type.
  • the network device may not send the third configuration information and the fourth configuration information described below.
  • the network device may further send the fourth configuration information to the terminal device, where the fourth configuration information may be used to indicate the second resource included in each of the at least one second resource set.
  • the fourth configuration information may be the same as the configuration information 2 in the embodiment described in FIG.
  • third configuration information and the fourth configuration information may be carried in the same signaling, or may be carried in different signaling, which is not limited in this application.
  • the second resource includes multiple antenna ports
  • the fourth configuration information includes multiple resource identifiers
  • at least one antenna port of the at least one second resource set corresponds to a resource identifier included in the first configuration information
  • the number of the antenna ports included in the second resource may be the number of uplink total antenna ports supported by the terminal device, or may be the number of ports included in each of the first resources in the capability information reported by the terminal.
  • the at least one antenna port included in the second resource corresponds to a resource identifier included in the first configuration information
  • the antenna port included in the fourth configuration information corresponds to the resource identifier included in the first configuration information.
  • the first configuration information includes SRI0, SRI1, and SRI2.
  • the second resource includes four antenna ports: port0, port1, port2, and port3. Among them, port0 and port1 correspond to SRI0, and port2 and port3 correspond to SRI1. That is, the second configuration information includes at least SRI0 and SRI1.
  • the number of antenna ports corresponding to one resource identifier of the first configuration information may be 1, 2, 4 or other values, which is not limited in this application.
  • the number of antenna ports corresponding to different resource identifications in the first configuration information may be different.
  • the fourth configuration information includes at least one foregoing SRI, and each second resource in the at least one second resource set corresponds to an SRI in a first configuration information, where the SRI may be used to indicate uplink data.
  • the transmitted beam is not limited to.
  • first resource and the second resource including the same SRI may be the same or different.
  • the network device sends the fifth configuration information to the terminal device, where the fifth configuration information is used to indicate the at least one third resource used for the uplink data transmission.
  • first resource and the third resource including the same SRI may be the same or different.
  • the fifth configuration information may also include an SRI in the at least one first configuration information or an SRI in the third configuration information.
  • the fifth configuration information may be carried by the DCI.
  • the fifth configuration information includes one bit, each bit corresponds to one SRI, and if the bit is 1, the SRI corresponding to the bit is selected, and if the bit is 0, the The SRI corresponding to the bit is not selected.
  • the fifth configuration information includes at least one bit, each of the at least one bit corresponding to an SRI, and the terminal device determines the selected one SRI according to the value of the at least one bit.
  • the network device may further send, to the terminal device, sixth configuration information including an SRS group.
  • the sixth configuration information may be carried by the DCI or may be carried by the high layer signaling.
  • the sixth configuration information may also include at least one bit, each bit corresponding to a resource set. If the bit is 1, the resource included in the resource set corresponding to the bit is selected. If the bit is 0, the resources included in the resource set corresponding to the bit are not selected.
  • the sixth configuration information includes at least one bit, and the value of the at least one bit may also correspond to a resource set, and the terminal device determines the selected one of the resource sets according to the value of the at least one bit.
  • the DCI may further carry a Transmission Precoding Matrix Indicator (TPMI), where the TPMI is used to indicate precoding of uplink data usage.
  • TPMI Transmission Precoding Matrix Indicator
  • the DCI includes at least one bit, and each bit may correspond to an index value, and each index value may correspond to one SRI and one TPMI, that is, the SRI and the TPMI are jointly indicated by an index value.
  • the TPMI indicates precoding between the antenna ports corresponding to the multiple beams.
  • the port information of the precoding matrix indicated by the TPMI and the antenna ports of the plurality of SRSs are in one-to-one correspondence according to a predefined or network configuration.
  • One possible predefined way is that the antenna port numbers of multiple SRSs are renumbered according to the SRI size, corresponding to the antenna ports in the TPMI.
  • the precoding matrix indicated by the TMPI has 4 rows, each row corresponds to one antenna port, the first two ports correspond to the antenna ports of the SRI1, and the latter two ports correspond to the antenna ports of the SRI2.
  • multiple SRIs may be carried in different downlink control information, and each downlink control information is independently carried in an uplink scheduling information.
  • the uplink scheduling information may be an uplink scheduling grant, and is used to transmit uplink data.
  • the uplink data can be transmitted through an uplink physical channel, for example, a physical uplink shared channel.
  • the downlink control information may also be referred to as scheduling information.
  • the number of antenna ports corresponding to the TPMI may be the total number of uplink antenna ports of the terminal device, or the number of antenna ports corresponding to the selected SRI.
  • the TPMI is the number of antenna ports in the m*n codebook.
  • the word, ie the precoding vector or the row data in the matrix is m*n.
  • the network device generates first configuration information for indicating a resource set type of each of the at least one first resource set, and sends the first configuration information to the terminal device.
  • the configuration information can help the terminal device perform reasonable resource configuration according to the first configuration information, thereby improving resource utilization.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • FIG. 5 shows an apparatus 500 for resource allocation in an embodiment of the present application.
  • the apparatus 500 may correspond to a network device in each method embodiment, and may have any function of the network device in the method.
  • the processing module 510 is configured to generate first configuration information, where the first configuration information is used to indicate a resource collection type of each first resource set in the at least one first resource set;
  • the transceiver module 520 is configured to send the first configuration information to the terminal device.
  • the processing module 510 may be the processor 620
  • the transceiver module 520 may be the transceiver 640
  • the device may further include an input/output interface 630 and a memory 610, as shown in FIG. Show.
  • FIG. 6 is a schematic block diagram of an apparatus of another embodiment of the present application.
  • the device can perform the method steps performed by all the network devices in the foregoing embodiments.
  • the network device 600 shown in FIG. 6 may include a memory 610, a processor 620, an input/output interface 630, and a transceiver 640.
  • the memory 610, the processor 620, the input/output interface 630, and the transceiver 640 are connected by an internal connection path.
  • the memory 610 is used to store instructions, and the processor 620 is configured to execute instructions stored in the memory 620 to control input/
  • the output interface 630 receives the input data and information, outputs data such as an operation result, and controls the transceiver 640 to transmit a signal.
  • the processor 620 is configured to generate first configuration information, where the first configuration information is used to indicate a resource collection type of each first resource set in the at least one first resource set;
  • the transceiver 640 is configured to send the first configuration information to a terminal device.
  • the processor 620 may be a general-purpose central processing unit (CPU), a microprocessor, an application specific integrated circuit (ASIC), or one or more.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • transceiver 640 also known as a communication interface, utilizes transceivers such as, but not limited to, transceivers to enable communication between terminal 600 and other devices or communication networks.
  • the memory 610 can include read only memory and random access memory and provides instructions and data to the processor 620.
  • a portion of the processor 620 can also include a non-volatile random access memory.
  • the processor 620 can also store information of the device type.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 620 or an instruction in a form of software.
  • the method for resource allocation disclosed in the embodiments of the present application may be directly implemented as a hardware processor to perform, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 610, and the processor 620 reads the information in the memory 610 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated integration.
  • DSPs digital signal processors
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • FIG. 7 shows an apparatus 700 for resource allocation in an embodiment of the present application.
  • the apparatus 700 may correspond to a terminal device in each method embodiment, and may have any function of the terminal device in the method.
  • the transceiver module 710 is configured to receive first configuration information, where the first configuration information is used to indicate a resource collection type of each first resource set in the at least one first resource set;
  • the processing module 720 is configured to determine, according to the first configuration information, a resource set type of the at least one sub-first resource set.
  • the transceiver module 710 can be a transceiver 840
  • the processing module 720 can be a processor 820
  • the device can further include an input/output interface 830 and a memory 810, as shown in FIG. Show.
  • FIG. 8 is a schematic block diagram of an apparatus of another embodiment of the present application.
  • the device can perform the method steps performed by all the terminals in the foregoing embodiments. Therefore, the specific details can be referred to the description in the foregoing embodiments. To avoid repetition, details are not described herein again.
  • the apparatus 800 shown in FIG. 8 may include a memory 810, a processor 820, an input/output interface 830, and a transceiver 840.
  • the memory 810, the processor 820, the input/output interface 830, and the transceiver 840 are connected by an internal connection path for storing instructions for executing instructions stored in the memory 820 to control input/
  • the output interface 830 receives the input data and information, outputs data such as an operation result, and controls the transceiver 840 to transmit a signal.
  • the transceiver 840 is configured to receive first configuration information, where the first configuration information is used to indicate a resource collection type of each first resource set in the at least one first resource set;
  • the processor 820 is configured to determine, according to the first configuration information, a resource set type of the at least one sub-first resource set.
  • the processor 820 may be a general-purpose CPU, a microprocessor, an ASIC, or one or more integrated circuits, for performing related procedures, to implement the technology provided by the embodiments of the present application. Program.
  • transceiver 840 also known as a communication interface, utilizes transceivers such as, but not limited to, transceivers to enable communication between terminal 800 and other devices or communication networks.
  • the memory 810 can include read only memory and random access memory and provides instructions and data to the processor 820.
  • a portion of processor 820 may also include a non-volatile random access memory.
  • the processor 820 can also store information of the device type.
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 820 or an instruction in a form of software.
  • the method for resource allocation disclosed in the embodiments of the present application may be directly implemented as a hardware processor to perform, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 810, and the processor 820 reads the information in the memory 810 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the processor may be a CPU, and the processor may also be other general-purpose processors, DSPs, ASICs, FPGAs, or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program code. .

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Abstract

La présente invention concerne un procédé et un dispositif d'attribution de ressources. Le procédé comprend les étapes suivantes : un dispositif de réseau génère des premières informations de configuration qui sont utilisées pour indiquer le type d'ensemble de ressources de chaque premier ensemble de ressources d'au moins un premier ensemble de ressources ; et le dispositif de réseau transmet la première configuration à un dispositif terminal. Selon les modes de réalisation de la présente invention, le dispositif terminal peut attribuer des ressources raisonnablement, sur la base des premières informations de configuration, ce qui améliore le taux d'utilisation des ressources.
PCT/CN2018/115666 2017-11-17 2018-11-15 Procédé et dispositif d'attribution de ressources Ceased WO2019096210A1 (fr)

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