WO2019192353A1 - 资源分配方法及装置、基站和终端 - Google Patents
资源分配方法及装置、基站和终端 Download PDFInfo
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- WO2019192353A1 WO2019192353A1 PCT/CN2019/079666 CN2019079666W WO2019192353A1 WO 2019192353 A1 WO2019192353 A1 WO 2019192353A1 CN 2019079666 W CN2019079666 W CN 2019079666W WO 2019192353 A1 WO2019192353 A1 WO 2019192353A1
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- resource allocation
- size
- indication information
- resource
- terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
Definitions
- the present disclosure relates to the field of wireless communication technologies, and in particular, to a resource allocation method and apparatus, a base station, and a terminal.
- DCI downlink control information
- the bitfield length is usually determined by the size of the current scheduling band.
- the granularity of the frequency domain resource allocation is fixed, and the flexible allocation or adjustment of the resource allocation granularity is not supported.
- the scheduling bandwidth needs to be flexible according to the configuration of the base station, if a unified
- the granularity of resource allocation limits the flexibility of scheduling, so different service types require different resource allocation granularities.
- An object of the present disclosure is to provide a resource allocation method and apparatus, a base station, and a terminal, which solve the resource allocation method in the related art, and cannot support the flexible configuration or adjustment of the resource allocation granularity.
- the present disclosure provides a resource allocation method, which is applied to a base station, where the method includes:
- the resource allocation method where the method further includes:
- the size of the virtual resource block VRB group is notified to the terminal by the L1 signal carried on the PDCCH by the high layer signaling or the group common physical downlink control channel PDCCH.
- the resource allocation method where the method further includes:
- the size of the virtual resource block VRB group is determined according to the current system bandwidth or the size of the active bandwidth portion and the preset system bandwidth or the correspondence between the active bandwidth portion and the size of the virtual resource block VRB group.
- the method for allocating resources wherein the method further includes determining, by using Equation 1 or Equation 2, the number of bits of the resource allocation indication information:
- G is the size of the virtual resource block VRB group; The current system bandwidth or the number of physical resource blocks PRB or VRB in the active portion; and G is an integer greater than or equal to 1.
- the embodiment of the present disclosure further provides a resource allocation method, which is applied to a terminal, where the method includes:
- the base station And receiving, by the base station, the downlink control information DCI, where the resource allocation indication information is used, and the resource allocation indication information is used to indicate, by using the virtual resource block VRB group as the resource location of the frequency domain resource allocated by the terminal;
- the method for allocating resources wherein the size of the virtual resource block VRB group indicated by the base station is obtained by using a high-level signaling or an L1 signal carried on a group common physical downlink control channel PDCCH.
- the resource allocation method where the method further includes:
- the size of the virtual resource block VRB group is determined according to the current system bandwidth or the size of the active bandwidth portion and the preset system bandwidth or the correspondence between the active bandwidth portion and the size of the virtual resource block VRB group.
- the resource allocation method where the determining, according to the resource allocation indication information, the determining, by the base station, the frequency domain resource allocated by the terminal includes:
- the resource allocation method wherein, according to the size of the virtual resource block VRB group and the current system bandwidth or the size of the active bandwidth portion, determining the number of bits of the resource allocation indication information, Or formula 2 determines the number of bits of the resource allocation indication information:
- G is the size of the virtual resource block VRB group; The current system bandwidth or the number of physical resource blocks PRB or VRB in the active portion; and G is an integer greater than or equal to 1.
- Embodiments of the present disclosure also provide a base station, including a memory, a processor, a transceiver, and a computer program stored on the memory and operable on the processor, wherein the transceiver is configured to:
- the base station where the transceiver is further configured to:
- the size of the virtual resource block VRB group is notified to the terminal by the L1 signal carried on the PDCCH by the high layer signaling or the group common physical downlink control channel PDCCH.
- the base station where the processor is used to:
- the size of the virtual resource block VRB group is determined according to a current system bandwidth or a size of an active bandwidth portion and a preset system bandwidth or a correspondence between an active bandwidth portion and a size of the virtual resource block VRB group.
- the base station where the processor is configured to: determine, by using Equation 1 or Equation 2, the number of bits of the resource allocation indication information:
- G is the size of the virtual resource block VRB group; The current system bandwidth or the number of physical resource blocks PRB or VRB in the active portion; and G is an integer greater than or equal to 1.
- Embodiments of the present disclosure also provide a terminal, including a memory, a processor, a transceiver, and a computer program stored on the memory and executable on the processor, wherein:
- the transceiver is configured to: receive, by the base station, downlink control information (DCI) that includes resource allocation indication information, where the resource allocation indication information is used to indicate that the virtual resource block VRB group is used as the allocation granularity to allocate frequency domain resources to the terminal.
- DCI downlink control information
- the processor is configured to: determine, according to the resource allocation indication information, a frequency domain resource allocated by the base station to the terminal.
- the terminal wherein the transceiver is further configured to:
- the size of the virtual resource block VRB group indicated by the base station is obtained by the high-level signaling or the L1 signal carried on the group common physical downlink control channel PDCCH.
- the terminal wherein the processor is further configured to:
- the size of the virtual resource block VRB group is determined according to a current system bandwidth or a size of an active bandwidth portion and a preset system bandwidth or a correspondence between an active bandwidth portion and a size of the virtual resource block VRB group.
- the terminal wherein the processor is further configured to:
- the terminal wherein the processor determines the number of bits of the resource allocation indication information by using Equation 1 or Equation 2:
- G is the size of the virtual resource block VRB group; The current system bandwidth or the number of physical resource blocks PRB or VRB in the active portion; and G is an integer greater than or equal to 1.
- the embodiment of the present disclosure further provides a resource allocation apparatus, which is applied to a base station, where the apparatus includes:
- a sending module configured to send downlink control information DCI, including resource allocation indication information, to the terminal, where the resource allocation indication information is used to indicate that the virtual resource block VRB group is used as the resource location of the frequency domain resource allocated by the terminal .
- the resource allocation device wherein the sending module is further configured to:
- the size of the virtual resource block VRB group is notified to the terminal by the L1 signal carried on the PDCCH by the high layer signaling or the group common physical downlink control channel PDCCH.
- the resource allocation device where the base station further includes:
- a first processing module configured to determine the virtual resource block according to a current system bandwidth or a size of an active bandwidth portion, and a preset system bandwidth or a correspondence between an active bandwidth portion and a size of the virtual resource block VRB group The size of the VRB group.
- the resource allocation device where the base station further includes:
- a second processing module configured to determine, by using Equation 1 or Equation 2, the number of bits of the resource allocation indication information:
- G is the size of the virtual resource block VRB group; The current system bandwidth or the number of physical resource blocks PRB or VRB in the active portion; and G is an integer greater than or equal to 1.
- the embodiment of the present disclosure further provides a resource allocation apparatus, which is applied to a terminal, and includes:
- a receiving module configured to receive downlink control information (DCI) that is sent by the base station and includes resource allocation indication information, where the resource allocation indication information is used to indicate that the virtual resource block VRB group is used as a resource whose allocation granularity is a frequency domain resource allocated by the terminal position;
- DCI downlink control information
- a determining module configured to determine, according to the resource allocation indication information, a frequency domain resource allocated by the base station to the terminal.
- the resource allocation device wherein the receiving module is further configured to:
- the size of the virtual resource block VRB group indicated by the base station is obtained by the high-level signaling or the L1 signal carried on the group common physical downlink control channel PDCCH.
- the resource allocation device wherein the determining module is further configured to:
- the size of the virtual resource block VRB group is determined according to a current system bandwidth or a size of an active bandwidth portion and a preset system bandwidth or a correspondence between an active bandwidth portion and a size of the virtual resource block VRB group.
- the resource allocation device wherein the determining module is further configured to:
- the resource allocation device wherein the determining module determines the number of bits of the resource allocation indication information by using Equation 1 or Equation 2:
- G is the size of the virtual resource block VRB group; The current system bandwidth or the number of physical resource blocks PRB or VRB in the active portion; and G is an integer greater than or equal to 1.
- the embodiment of the present disclosure further provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program, and when the computer program is executed by a processor, implements the resource allocation method according to any one of the above step.
- the resource allocation method allocates a resource for data transmission to a terminal by using a virtual resource block (VRB) group as a unit, and indicates a size of the VRB group allocated by the terminal, and a bit of the resource allocation indication information.
- the number can be determined according to the size of the VRB group, and can be adjusted according to the current system bandwidth or the size of the BWP. It is not limited to only the resource allocation granularity of the physical resource block (PRB) level, and thus can support the resource allocation granularity.
- Flexible configuration or adjustment solving the resource allocation method in the related technology, and unable to support the flexible configuration or adjustment of the resource allocation granularity.
- FIG. 1 is a flowchart of a resource allocation method according to an embodiment of the present disclosure
- FIG. 2 is a second flowchart of a resource allocation method according to an embodiment of the present disclosure
- FIG. 3 is a partial flowchart of a resource allocation method according to an embodiment of the present disclosure
- FIG. 4 is a schematic diagram showing a resource allocated by using the resource allocation method according to an embodiment of the present disclosure
- FIG. 5 is a second schematic diagram showing resources allocated by using the resource allocation method according to an embodiment of the present disclosure
- FIG. 6 is a third schematic diagram of resources allocated by using the resource allocation method according to an embodiment of the present disclosure.
- FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
- FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
- FIG. 9 is a schematic structural diagram of a resource allocation apparatus according to an embodiment of the present disclosure.
- FIG. 10 is a second schematic structural diagram of a resource allocation apparatus according to an embodiment of the present disclosure.
- FIG. 11 shows one of the schematic diagrams of the VRB
- Figure 12 shows the second schematic of the VRB.
- the bitfield length of the data transmission frequency domain resource allocation indicated by the DCI in the related art is generally determined by the size of the current scheduling band, and cannot support the flexible configuration or adjustment of the resource allocation granularity, and provides a resource.
- the allocation method allocates data transmission resources to the terminal in units of a virtual resource block (VRB) group, and indicates the size of the VRB group allocated by the terminal, so as to achieve flexible configuration or adjustment of the resource allocation granularity of the terminal.
- VRB virtual resource block
- FIG. 1 is a flowchart of a resource allocation method according to an embodiment of the present disclosure.
- the resource allocation method according to the embodiment of the present disclosure when applied to a base station, includes:
- the size of the VRB group is an integer greater than or equal to 1, indicating the size of one VRB group allocated by the base station, that is, the number of VRBs included in one VRB group.
- the resource allocation method further includes: sending, by using an explicit signaling manner, the size of the virtual resource block VRB group to the terminal, so that the terminal acquires the size of the virtual resource block VRB group, according to the The size and resource allocation indication information of the virtual resource block VRB group determines the frequency domain resource allocated by the base station to the terminal.
- the base station may notify the terminal of the size of the virtual resource block VRB group by using the L1 signal carried on the higher common signaling or the group common physical downlink control channel (PDCCH). .
- the size of the virtual resource block VRB group may be a predefined value, and the current system bandwidth or the size of the active bandwidth portion (BWP) has a preset correspondence relationship with the size of the virtual resource block VRB group.
- the size of the virtual resource block VRB group is determined according to the current system bandwidth or the size of the activated BWP and the preset correspondence.
- the method further includes: determining the number of bits of the resource allocation indication information in step S110 by using Equation 1 or Equation 2 below:
- G is a size of the virtual resource block VRB group; The current system bandwidth or the number of physical resource blocks PRB or VRB in the active portion.
- the value obtained by using Equation 1 or Formula 2 is the number of bits of the resource allocation indication information in step S110.
- the size of the m resource units allocated by the base station for the terminal is the size G of the virtual resource block VRB group, that is, each of the m resource units.
- a VRB group is included, and each VRB group includes G VRBs; the remaining one resource unit has a size of:
- G is the size of the virtual resource block VRB group; The current system bandwidth or the number of physical resource blocks PRB or VRB in the active portion.
- the resource allocation method of the embodiment of the present disclosure determines the resource allocation indication included in the DCI according to the determined size of the virtual resource block VRB group according to the determined size of the virtual resource block VRB group when the resource is allocated for the terminal transmission data.
- the number of bits of the information is used to indicate the allocation of the frequency domain resources. Therefore, the number of bits of the resource allocation indication information may be determined according to the size G of the virtual resource block VRB group, and may be adjusted according to the current system bandwidth or the size of the activated BWP, or may be based on
- the bearer size of the DCI is adjusted, and is not limited to the resource allocation granularity of the physical resource block (PRB) level. Therefore, the flexible allocation or adjustment of the resource allocation granularity can be supported, and the resource allocation method in the related art is solved. Unable to support flexible configuration or tuning of resource allocation granularity.
- the DCI indicates, by using the resource allocation indication information, a continuous VRB group that is allocated to the terminal data transmission.
- the base station may pre-agreed with the terminal the manner of determining the number of bits of the resource allocation indication information in the DCI.
- FIG. 2 is another flowchart of a resource allocation method according to an embodiment of the present disclosure.
- the resource allocation method according to the embodiment of the present disclosure when applied to the terminal, includes:
- the terminal determines, according to the resource allocation indication information carried in the DCI, the base station as the VRB group allocated by the terminal.
- the terminal may pre-acquire the size of the virtual resource block VRB group of the VRB group by means of explicit signaling sent by the base station, according to the size and resources of the virtual resource block VRB group.
- the allocation indication information is used to determine a frequency domain resource allocated by the base station to the terminal.
- the terminal may acquire the size of the virtual resource block VRB group indicated by the base station by using the L1 signal carried on the PDCCH of the group common physical downlink control channel PDCCH.
- the size of the virtual resource block VRB group may be a predefined value, between the current system bandwidth or the size of the active bandwidth portion (BWP) and the size of the virtual resource block VRB group.
- BWP active bandwidth portion
- the size of the virtual resource block VRB group is determined according to the current system bandwidth or the size of the activated BWP and the preset correspondence.
- the method may further include:
- the size of the virtual resource block VRB group is determined according to the current system bandwidth or the size of the active bandwidth portion and the correspondence between the preset system bandwidth or the bandwidth portion and the size of the virtual resource block VRB group.
- the method may further include:
- S310 Determine, according to the size of the virtual resource block VRB group and the current system bandwidth or the size of the active bandwidth portion, the number of bits of the resource allocation indication information.
- the number of bits of the resource allocation indication information may be determined by using Equation 1 or Equation 2:
- G is the size of the virtual resource block VRB group; The current system bandwidth or the number of PRBs or VRBs in the active band portion; and G is an integer greater than or equal to 1.
- the value obtained by using Equation 1 or Formula 2 is the number of bits of the resource allocation indication information in step S310, and further, according to the starting position of the resource allocation indication information in the DCI, The entire resource allocation indication information.
- the base station indicates that the frequency domain resources allocated by the terminal are consecutive VRB groups through the resource allocation indication information, and the terminal acquires the virtual resource blocks through the high layer signaling.
- the number of bits for calculating the resource allocation indication information is 4 bits.
- the resources allocated by the base station through the resource allocation indication information in the DCI can be determined as shown in FIG. 4, and the base station is combined with FIG.
- the starting position and the number of the assigned VRB group are one-to-one corresponding to one number by means of joint coding.
- the terminal determines the starting position of the VRB group and the number of allocated VRB groups according to the resource allocation indication information, so as to determine a specific resource allocation situation. In combination with FIG. 4 and FIG. 11, it can be determined that the resource allocated by the base station for the terminal is a VRB group. 3 and VRB group #4.
- the method according to the embodiment of the present disclosure can be used according to the resource allocation indication.
- the specific manner of determining the VRB group allocated by the base station to the terminal is not described in detail herein.
- the length (number of digits) of the indication information can be calculated by the following formula:
- the number of bits for obtaining the resource allocation indication information is 5 bits.
- the resource allocated by the base station through the resource allocation indication information in the DCI can be determined as shown in FIG. 5, and the base station will be combined with FIG.
- the starting position and the number of the allocated VRB group are corresponding to one number by means of joint coding, and the terminal determines the starting position of the VRB group and the number of allocated VRB groups according to the indication information, and can determine the specific resource allocation. In the case, as shown in FIG.
- the resources allocated by the base station through the resource allocation indication information in the DCI can be determined. As shown in FIG. 6, according to the above principle, the resources allocated by the base station to the terminal can be determined as VRB group #4 and VRB group #5.
- the size of the virtual resource block VRB group is obtained by using high-level signaling, and the system bandwidth of the terminal data transmission or the number of PRBs included in the activated BWP is illustrated, and the different manners are described in detail.
- FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
- the base station includes: a processor 700; a memory 720 coupled to the processor 700 via a bus interface 730, and a transceiver 710 coupled to the processor 700 via a bus interface; the memory 720 for storing the processor Programs and data used in performing operations; transmitting data information or pilots through the transceiver 710, and receiving an uplink control channel through the transceiver 710; when the processor 700 calls and executes the memory stored in the memory 720
- the program and data are implemented as follows:
- the processor 700 is configured to read a program in the memory 720, and the transceiver 710 is configured to perform the following processes:
- the transceiver 710 is further configured to:
- the size of the virtual resource block VRB group is notified to the terminal by the L1 signal carried on the PDCCH by the high layer signaling or the group common physical downlink control channel PDCCH.
- the transceiver 710 is further configured to:
- the size of the virtual resource block VRB group is determined according to a current system bandwidth or a size of an active bandwidth portion and a correspondence between a preset system bandwidth or a bandwidth portion and a size of the virtual resource block VRB group.
- processor 700 is configured to:
- the number of bits of the resource allocation indication information is determined by Equation 1 or Equation 2:
- G is the size of the virtual resource block VRB group; The current system bandwidth or the number of physical resource blocks PRB or VRB in the active portion; and G is an integer greater than or equal to 1.
- the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 700 and various circuits of memory represented by memory 720.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 710 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
- the processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 can store data used by the processor 700 in performing operations.
- the base station provided by the embodiment of the present disclosure may perform the foregoing method embodiments, and the implementation principle and technical effects are similar, and details are not described herein again.
- FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
- the terminal includes a processor 801, a memory 803 connected to the processor 801 via a bus interface 802, and a transceiver 804 connected to the bus interface 802 for storing the processor 801 for performing operations.
- Programs and data, the processor 801 calls and executes the programs and data stored in the memory 803, and the transceiver 804 is configured to receive and transmit data under the control of the processor 801,
- the transceiver 804 is configured to: receive the downlink control information DCI that is sent by the base station and includes the resource allocation indication information, where the resource allocation indication information is used to indicate that the virtual resource block VRB group is used as the allocation granularity. a resource location of a frequency domain resource allocated by the terminal;
- the processor 801 is configured to: determine, according to the resource allocation indication information, a frequency domain resource allocated by the base station to the terminal.
- the transceiver 804 is further configured to:
- the size of the virtual resource block VRB group indicated by the base station is obtained by the high-level signaling or the L1 signal carried on the group common physical downlink control channel PDCCH.
- the processor 801 is further configured to:
- the size of the virtual resource block VRB group is determined according to a current system bandwidth or a size of an active bandwidth portion and a correspondence between a preset system bandwidth or a bandwidth portion and a size of the virtual resource block VRB group.
- the processor 801 is further configured to:
- the processor 801 determines, by using Equation 1 or Equation 2, the number of bits of the resource allocation indication information:
- G is the size of the virtual resource block VRB group; The current system bandwidth or the number of physical resource blocks PRB or VRB in the active portion; and G is an integer greater than or equal to 1.
- the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 801 and various circuits of memory represented by memory 803.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 804 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
- the user interface 805 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 can store data used by the processor 801 in performing operations.
- the terminal provided by the embodiment of the present disclosure may perform the foregoing method embodiments, and the implementation principle and technical effects are similar, and details are not described herein again.
- a specific embodiment of the present disclosure further provides a resource allocation apparatus, which is applied to a base station.
- the apparatus includes:
- the sending module 910 is configured to send the downlink control information DCI including the resource allocation indication information to the terminal, where the resource allocation indication information is used to indicate the virtual resource block VRB group as the resource whose allocation granularity is the frequency domain resource allocated by the terminal. position.
- the sending module 910 is further configured to:
- the size of the virtual resource block VRB group of the terminal is notified by the high-level signaling or the L1 signal carried on the group common physical downlink control channel PDCCH.
- the base station further includes:
- the first processing module 920 is configured to determine the virtual resource according to a current system bandwidth or a size of an active bandwidth portion, and a preset system bandwidth or a correspondence between an active bandwidth portion and a size of the virtual resource block VRB group. The size of the block VRB group.
- the base station further includes:
- the second processing module 920 is configured to determine the number of bits of the resource allocation indication information by using Equation 1 or Equation 2:
- G is the size of the virtual resource block VRB group; The current system bandwidth or the number of physical resource blocks PRB or VRB in the active portion; and G is an integer greater than or equal to 1.
- a specific embodiment of the present disclosure further provides a resource allocation apparatus, which is applied to a terminal.
- the apparatus includes:
- the receiving module 1001 is configured to receive downlink control information (DCI) that is sent by the base station and includes the resource allocation indication information, where the resource allocation indication information is used to indicate that the virtual resource block VRB group is used as the allocation granularity to allocate the frequency domain resource to the terminal.
- DCI downlink control information
- the determining module 1002 is configured to determine, according to the resource allocation indication information, a frequency domain resource allocated by the base station to the terminal.
- the receiving module 1001 is further configured to:
- the size of the virtual resource block VRB group indicated by the base station is obtained by the high-level signaling or the L1 signal carried on the group common physical downlink control channel PDCCH.
- the determining module 1002 is further configured to:
- the size of the virtual resource block VRB group is determined according to a current system bandwidth or a size of an active bandwidth portion and a preset system bandwidth or a correspondence between an active bandwidth portion and a size of the virtual resource block VRB group.
- the determining module 1002 is further configured to:
- the determining module 1002 determines the number of bits of the resource allocation indication information by using Equation 1 or Equation 2:
- G is the size of the virtual resource block VRB group; The number of physical resource blocks PRB or VRB in the current system bandwidth or the band portion; and G is an integer greater than or equal to 1.
- Another aspect of the present disclosure further provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program, the computer program being executed by a processor to implement the resource allocation method as described above
- the various processes of the example can achieve the same technical effect. To avoid repetition, no further details are provided here.
- the computer readable storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
- the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better.
- Implementation Based on such understanding, the technical solution of the present disclosure, which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
- the instructions include a number of instructions for causing a terminal (which may be a cell phone, computer, server, air conditioner, or network device, etc.) to perform the methods described in various embodiments of the present disclosure.
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Abstract
Description
Claims (28)
- 一种资源分配方法,应用于基站,所述方法包括:向终端发送包括资源分配指示信息的下行控制信息DCI,其中所述资源分配指示信息用于指示以虚拟资源块VRB组作为分配粒度为所述终端所分配频域资源的资源位置。
- 根据权利要求1所述的资源分配方法,还包括:通过高层信令或者组公共(group common)物理下行控制信道PDCCH上承载的L1信号通知终端所述虚拟资源块VRB组的大小。
- 根据权利要求1所述的资源分配方法,还包括:根据当前系统带宽或者激活带宽部分的大小以及预先设定的系统带宽或者激活带宽部分与所述虚拟资源块VRB组的大小之间的对应关系,确定所述虚拟资源块VRB组的大小。
- 一种资源分配方法,应用于终端,所述方法包括:接收基站发送的包括资源分配指示信息的下行控制信息DCI,其中所述资源分配指示信息用于指示以虚拟资源块VRB组作为分配粒度为所述终端所分配频域资源的资源位置;根据所述资源分配指示信息,确定所述基站为所述终端所分配的频域资源。
- 根据权利要求5所述的资源分配方法,还包括:通过高层信令或者组公共(group common)物理下行控制信道PDCCH上承载的L1信号获取所述基站指示的所述虚拟资源块VRB组的大小。
- 根据权利要求5所述的资源分配方法,还包括:根据当前系统带宽或者激活带宽部分的大小以及预先设定的系统带宽或者激活带宽部分与所述虚拟资源块VRB组的大小之间的对应关系,确定所述虚拟资源块VRB组的大小。
- 根据权利要求5所述的资源分配方法,其中,所述根据所述资源分配指示信息,确定所述基站为所述终端所分配的频域资源的步骤包括:根据所述虚拟资源块VRB组的大小和当前系统带宽或者激活带宽部分的大小,确定所述资源分配指示信息的位数;根据所述资源分配指示信息,确定基站分配的VRB组。
- 一种基站,包括存储器、处理器、收发机及存储在所述存储器上并可在所述处理器上运行的计算机程序,其中,所述收发机用于:向终端发送包括资源分配指示信息的下行控制信息DCI,其中所述资源分配指示信息用于指示以虚拟资源块VRB组作为分配粒度为所述终端所分配频域资源的资源位置。
- 根据权利要求10所述的基站,其中,所述收发机还用于:通过高层信令或者组公共(group common)物理下行控制信道PDCCH上承载的L1信号通知终端所述虚拟资源块VRB组的大小。
- 根据权利要求10所述的基站,其中,所述处理器用于:根据当前系统带宽或者激活带宽部分的大小以及预先设定的系统带宽或者激活带宽部分与虚拟资源块VRB组的大小之间的对应关系,确定虚拟资源 块VRB组的大小。
- 一种终端,包括存储器、处理器、收发机及存储在所述存储器上并可在所述处理器上运行的计算机程序,其中:所述收发机用于:接收基站发送的包括资源分配指示信息的下行控制信息DCI,其中所述资源分配指示信息用于指示以虚拟资源块VRB组作为分配粒度为所述终端所分配频域资源的资源位置;所述处理器用于:根据所述资源分配指示信息,确定所述基站为所述终端所分配的频域资源。
- 根据权利要求14所述的终端,其中,所述收发机还用于:通过高层信令或者组公共(group common)物理下行控制信道PDCCH上承载的L1信号获取所述基站指示的所述虚拟资源块VRB组的大小。
- 根据权利要求14所述的终端,其中,所述处理器还用于:根据当前系统带宽或者激活带宽部分的大小以及预先设定的系统带宽或者激活带宽部分与所述虚拟资源块VRB组的大小之间的对应关系,确定虚拟资源块VRB组的大小。
- 根据权利要求14所述的终端,其中,所述处理器还用于:根据虚拟资源块VRB组的大小和当前系统带宽或者激活带宽部分的大小,确定所述资源分配指示信息的位数;根据所述资源分配指示信息,确定基站分配的VRB组。
- 一种资源分配装置,应用于基站,所述资源分配装置包括:发送模块,用于向终端发送包括资源分配指示信息的下行控制信息DCI,其中所述资源分配指示信息用于指示以虚拟资源块VRB组作为分配粒度为所述终端所分配频域资源的资源位置。
- 根据权利要求19所述的资源分配装置,其中,所述发送模块还用于:通过高层信令或者组公共(group common)物理下行控制信道PDCCH上承载的L1信号通知终端所述虚拟资源块VRB组的大小。
- 权利要求19所述的资源分配装置,还包括:第一处理模块,用于根据当前系统带宽或者激活带宽部分的大小以及预先设定的系统带宽或者激活带宽部分与虚拟资源块VRB组的大小之间的对应关系,确定虚拟资源块VRB组的大小。
- 一种资源分配装置,应用于终端,包括:接收模块,用于接收基站发送的包括资源分配指示信息的下行控制信息DCI,其中所述资源分配指示信息用于指示以虚拟资源块VRB组作为分配粒度为所述终端所分配频域资源的资源位置;判定模块,用于根据所述资源分配指示信息,确定所述基站为所述终端所分配的频域资源。
- 根据权利要求23所述的资源分配装置,其中,所述接收模块还用于:通过高层信令或者组公共(group common)物理下行控制信道PDCCH上承载的L1信号获取所述基站指示的所述虚拟资源块VRB组的大小。
- 根据权利要求23所述的资源分配装置,其中,所述判定模块还用于:根据当前系统带宽或者激活带宽部分的大小以及预先设定的系统带宽或者激活带宽部分与虚拟资源块VRB组的大小之间的对应关系,确定虚拟资源块VRB组的大小。
- 根据权利要求23所述的资源分配装置,其中,所述判定模块还用于:根据虚拟资源块VRB组的大小和当前系统带宽或者激活带宽部分的大小,确定所述资源分配指示信息的位数;根据所述资源分配指示信息,确定基站分配的VRB组。
- 一种计算机可读存储介质,其上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至4中任一项所述的资源分配方法的步骤或者实现如权利要求5至9任一项所述的资源分配方法的步骤。
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US20210022169A1 (en) | 2021-01-21 |
US11375532B2 (en) | 2022-06-28 |
KR20200133782A (ko) | 2020-11-30 |
EP3780816A4 (en) | 2021-06-09 |
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