WO2021017605A1 - 资源分配、确定方法及装置 - Google Patents
资源分配、确定方法及装置 Download PDFInfo
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- WO2021017605A1 WO2021017605A1 PCT/CN2020/093029 CN2020093029W WO2021017605A1 WO 2021017605 A1 WO2021017605 A1 WO 2021017605A1 CN 2020093029 W CN2020093029 W CN 2020093029W WO 2021017605 A1 WO2021017605 A1 WO 2021017605A1
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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
- 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
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1614—Details of the supervisory signal using bitmaps
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
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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
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
Definitions
- This application relates to the field of communication technology, and in particular to methods and devices for resource allocation and determination.
- Multi-Transmission Reception Point (multi-TRP)/panel transmission technology:
- multi-point coordination is still an important technical means in the NR system.
- network deployment with a large number of distributed access points + baseband centralized processing will be more conducive to providing a balanced user experience rate, and significantly reducing the delay and signaling overhead caused by handover .
- relatively dense deployment of access points is also required.
- modular active antenna arrays will be more inclined. The antenna array of each TRP can be divided into a number of relatively independent antenna panels, so the shape and number of ports of the entire array can be flexibly adjusted according to deployment scenarios and business requirements.
- the antenna panels or TRPs can also be connected by optical fibers for more flexible distributed deployment.
- the wavelength decreases, the blocking effect generated by obstacles such as human bodies or vehicles will become more significant.
- the cooperation between multiple TRPs or panels can also be used to transmit/receive multiple beams from multiple angles, thereby reducing the blocking effect. Negative Effects.
- Ultra-reliable and Low Latency Communications (URLLC) enhancement solution based on coordinated multi-point transmission :
- URLLC enhancement solutions based on coordinated multipoint transmission include the following:
- Scenario 1 (Space Division Multiplexing (SDM): On overlapping time-frequency resources in a slot, each transmission opportunity (transmission occasion) actually refers to a TRP sent on a resource The signal corresponding to a transmission configuration indication (Transmission Configuration Indication, TCI) state (state) and a group of data layers of a group of demodulation reference signal (Demodulation Reference Signal, DMRS) ports.
- TCI Transmission Configuration Indication
- DMRS Demodulation Reference Signal
- each frequency domain resource is associated with a TCI state, and the frequency domain resources do not overlap each other.
- Solution 3 Time Division Multiplexing (TDM) at the mini-slot level: In a slot, each time domain resource is associated with a TCI state, and each time domain resource is connected Do not overlap each other.
- One of the time domain resources refers to a group (there can be only one in each group) mini slot.
- Each time domain resource is associated with a TCI state, and the time domain resources do not overlap each other.
- One of the time domain resources refers to a group (there can be only one slot in each group).
- Physical resource block Physical Resource Block, PRB binding (bundling):
- the DMRS and data use the same precoding method.
- DMRS transparent demodulation reference signal
- the DMRS and data use the same precoding method.
- PRB physical resource blocks
- the granularity of frequency selective precoding is limited, thereby reducing the precoding gain.
- each PRB is independently precoded in order to ensure the gain of frequency selective precoding, joint channel estimation cannot be performed.
- LTE adopts different schemes for frequency division duplex (FDD) and time division duplex (TDD) systems:
- the PRB bundling method is adopted for the frequency division duplex (FDD) system, that is, the UE can assume that the precoding of the PDSCH remains unchanged on several consecutive PRBs.
- the specific PRB bundling size depends on the system bandwidth, as shown in Table 1 below.
- the base station may use channel reciprocity to obtain more accurate channel state information. Therefore, compared with FDD systems, frequency selective precoding has more important significance for link performance.
- the joint precoding of multiple PRBs to support joint channel estimation between PRBs cannot compensate for the resulting loss of precoding gain.
- PRB bundling is not applicable when configuring non-PMI feedback. At this time, the UE assumes that each scheduled PRB uses an independent precoding method, so joint channel estimation cannot be performed.
- a dynamic precoding resource block group (PRG) is adopted, which is composed of continuous PRBs.
- PRG dynamic precoding resource block group
- the radio resource control (Radio Resource Control, RRC) turns off the dynamic indication function
- the PRG size size configured by the higher layer is used, that is, the number of PRBs included
- the default PRG size (2PRB) is also used.
- the optional PRG size (selected from 2, 4, and continuous scheduled bandwidth) is configured by RRC, and the specific PRG size is determined through downlink control signaling (DCI format 1_1);
- RRC can configure two parameter sets:
- Set 1 contains one or two PRG size parameter values. When a value is included, it can be configured as 2, 4 or continuously scheduled bandwidth. When two values are included, it can be configured as ⁇ 2, continuously scheduled bandwidth ⁇ or ⁇ 4, continuously scheduled bandwidth ⁇ .
- Set 2 contains only one value, which can be configured as 2, 4 or continuously scheduled bandwidth.
- the used PRG size is selected from set 1. If set 1 contains two PRG sizes: if the number of scheduled PRBs exceeds half of the BWP bandwidth, the PRG size is the continuously scheduled bandwidth; otherwise, the PRG size is 2 or 4.
- the PRG size indication field in DCI is set to 0
- the PRG size in set 2 is used.
- the embodiments of the present application provide methods and devices for resource allocation and determination to implement resource allocation in a multi-TRP/panel-based URLLC enhanced transmission scheme.
- a resource allocation method provided in an embodiment of the present application includes:
- the terminal is notified of the TCI state resource allocation information in one of the following ways:
- Method 2 Notify the starting resource block RB of the TCI state and the number of occupied RBs
- Manner 3 Notify the corresponding relationship between the TCI state and the preset resource allocation mode pattern.
- the method 1 specifically includes:
- bitmap which specifically includes:
- the resource corresponding to each TCI state is notified separately through the bitmap.
- the method 2 specifically includes:
- the initial RB corresponding to each TCI state and the number of occupied RBs are notified respectively.
- the pattern specifically includes one of the following contents:
- Odd-numbered RBG or RB is a group of resources, and even-numbered RBG or RB is another group of resources;
- the first at least one RBG or RB is a group of resources, and the remaining RBGs or RBs are another group of resources;
- At least one RBG or RB bitmap At least one RBG or RB bitmap.
- a resource determination method provided in an embodiment of the present application includes:
- the size of the precoding resource block group PRG is determined in the following manner:
- each A PRG size is the resource size corresponding to the TCI state, where BWP is a preset part of the bandwidth; otherwise, the PRG size is a value that is not "continuously scheduled bandwidth" in set1.
- the precoding mode in the PRG size resource remains unchanged.
- a resource allocation device provided in an embodiment of the present application includes:
- Memory used to store program instructions
- the processor is used to call the program instructions stored in the memory and execute according to the obtained program:
- the processor uses one of the following methods to notify the terminal of the TCI state resource allocation information:
- Method 2 Notify the starting resource block RB of the TCI state and the number of occupied RBs
- Manner 3 Notify the corresponding relationship between the TCI state and the preset resource allocation mode pattern.
- the processor when the method 1 is used to notify the terminal of the TCI state resource allocation information, the processor is specifically configured to:
- the processor is specifically configured to:
- the resource corresponding to each TCI state is notified separately through the bitmap.
- the processor when the method 2 is used to notify the terminal of the TCI state resource allocation information, the processor is specifically configured to:
- the initial RB corresponding to each TCI state and the number of occupied RBs are notified respectively.
- the pattern specifically includes one of the following contents:
- Odd-numbered RBG or RB is a group of resources, and even-numbered RBG or RB is another group of resources;
- the first at least one RBG or RB is a group of resources, and the remaining RBGs or RBs are another group of resources;
- At least one RBG or RB bitmap At least one RBG or RB bitmap.
- a resource determination device provided in an embodiment of the present application includes:
- Memory used to store program instructions
- the processor is used to call the program instructions stored in the memory and execute according to the obtained program:
- the processor determines the size of the precoding resource block group PRG in the following manner:
- each A PRG size is the resource size corresponding to the TCI state, where BWP is a preset part of the bandwidth; otherwise, the PRG size is a value that is not "continuously scheduled bandwidth" in set1.
- the precoding mode in the PRG size resource remains unchanged.
- another resource allocation device provided by an embodiment of the present application includes:
- the determining unit is used to allocate TCI state resources for the transmission configuration indication state and determine TCI state resource allocation information
- the allocation unit is used to notify the terminal of the TCI state resource allocation information.
- the allocation unit uses one of the following methods to notify the terminal of the TCI state resource allocation information:
- Method 2 Notify the starting resource block RB of the TCI state and the number of occupied RBs
- Manner 3 Notify the corresponding relationship between the TCI state and the preset resource allocation mode pattern.
- the allocation unit is specifically configured to:
- the allocation unit is specifically configured to:
- the resource corresponding to each TCI state is notified separately through the bitmap.
- the allocation unit is specifically configured to:
- the initial RB corresponding to each TCI state and the number of occupied RBs are notified respectively.
- the pattern specifically includes one of the following contents:
- Odd-numbered RBG or RB is a group of resources, and even-numbered RBG or RB is another group of resources;
- the first at least one RBG or RB is a group of resources, and the remaining RBGs or RBs are another group of resources;
- At least one RBG or RB bitmap At least one RBG or RB bitmap.
- another resource determining device provided in the embodiment of the present application includes:
- the first unit is used to determine the TCI state resource according to the TCI state resource allocation information notified by the network side of the transmission configuration indication state;
- the second unit is used to determine the size of the precoding resource block group PRG according to the TCI state resource.
- the second unit determines the size of the precoding resource block group PRG in the following manner:
- each A PRG size is the resource size corresponding to the TCI state, where BWP is a preset part of the bandwidth; otherwise, the PRG size is a value that is not "continuously scheduled bandwidth" in set1.
- the precoding mode in the PRG size resource remains unchanged.
- Another embodiment of the present application provides a computing device, which includes a memory and a processor, wherein the memory is used to store program instructions, and the processor is used to call the program instructions stored in the memory, according to the obtained program Execute any of the foregoing resource allocation methods, or execute any of the foregoing resource determination methods.
- Another embodiment of the present application provides a computer storage medium that stores computer-executable instructions, and the computer-executable instructions are used to make the computer execute any of the above resource allocation methods, or execute the above Any method of resource determination.
- FIG. 1 is a schematic flowchart of a resource allocation method on the network side according to an embodiment of the application
- FIG. 2 is a schematic flowchart of a method for determining a resource on a terminal side according to an embodiment of the application
- FIG. 3 is a schematic structural diagram of a resource allocation device on the network side according to an embodiment of the application
- FIG. 4 is a schematic structural diagram of a resource determining apparatus on the terminal side according to an embodiment of the application
- FIG. 5 is a schematic structural diagram of another resource allocation device on the network side according to an embodiment of the application.
- FIG. 6 is a schematic structural diagram of another resource determining apparatus on the terminal side according to an embodiment of the application.
- the embodiments of the present application provide methods and devices for resource allocation and determination to implement resource allocation in a multi-TRP/panel-based URLLC enhanced transmission scheme.
- the method and the device are based on the same application conceived. Since the principles of the method and the device to solve the problem are similar, the implementation of the device and the method can be referred to each other, and the repetition will not be repeated.
- applicable systems can be global system of mobile communication (GSM) system, code division multiple access (CDMA) system, and wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) general packet Wireless service (general packet radio service, GPRS) system, long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD), general Mobile system (universal mobile telecommunication system, UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G system, 5G NR system, etc.
- GSM global system of mobile communication
- CDMA code division multiple access
- WCDMA wideband Code Division Multiple Access
- general packet Wireless service general packet radio service
- GPRS general packet Radio service
- LTE long term evolution
- FDD frequency division duplex
- TDD LTE time division duplex
- UMTS general Mobile system
- WiMAX worldwide interoperability for microwave access
- the terminal device involved in the embodiment of the present application may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
- the name of the terminal device may be different.
- the terminal device may be referred to as user equipment (UE).
- the wireless terminal device can communicate with one or more core networks via the RAN.
- the wireless terminal device can be a mobile terminal device, such as a mobile phone (or “cellular” phone) and a computer with a mobile terminal device, for example, a portable , Pocket, handheld, computer built-in or vehicle-mounted mobile devices that exchange language and/or data with the wireless access network.
- Wireless terminal equipment can also be referred to as system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point (access point) , Remote terminal equipment (remote terminal), access terminal equipment (access terminal), user terminal equipment (user terminal), user agent (user agent), user device (user device), which are not limited in the embodiments of the present application.
- the network device involved in the embodiment of the present application may be a base station, and the base station may include multiple cells.
- a base station may also be referred to as an access point, or may refer to a device that communicates with a wireless terminal device through one or more sectors on an air interface in an access network, or other names.
- the network device can be used to convert the received air frame and the Internet protocol (IP) packet to each other, as a router between the wireless terminal device and the rest of the access network, where the rest of the access network can include the Internet Protocol (IP) communication network.
- IP Internet Protocol
- the network equipment can also coordinate the attribute management of the air interface.
- the network equipment involved in the embodiments of this application may be a network equipment (base transmitter station, BTS) in the global system for mobile communications (GSM) or code division multiple access (CDMA). ), it can also be a network device (NodeB) in wide-band code division multiple access (WCDMA), or an evolved network device in a long-term evolution (LTE) system (evolutional node B, eNB or e-NodeB), 5G base station in 5G network architecture (next generation system), but also home evolved node B (HeNB), relay node (relay node), home base station ( Femto), pico base station (pico), etc., are not limited in the embodiment of the present application.
- BTS network equipment
- GSM global system for mobile communications
- CDMA code division multiple access
- NodeB wide-band code division multiple access
- LTE long-term evolution
- Manner 1-Bitmap indication Use Resource Block Group (RBG) as a unit, number the RBG according to the RBG grid, and indicate resource allocation through the bitmap.
- RBG Resource Block Group
- the specific method can be any of the following:
- the overall resource allocation is notified in the downlink control information, that is, all resources corresponding to multiple transmission configuration indication states (TCI states). Then, the resource corresponding to one of the TCI states is notified (in RBG units, the RBGs are numbered according to the RBG grid, and the resource allocation is indicated through the bitmap). For example, by default, only resources corresponding to TCI state 0 are notified. The other TCI state corresponds to the remaining resources;
- the resources corresponding to each TCI state are notified separately (in RBG units, the RBGs are numbered according to the RBG grid, and the resource allocation is indicated through the bitmap).
- the overall resource allocation is notified, that is, all resources corresponding to multiple TCI states. Then notify the resource corresponding to one of the TCI states (notify the initial RB and the number of RBs occupied), for example, by default, only notify the resource corresponding to TCI state 0.
- the other TCI state corresponds to the remaining resources;
- the resources corresponding to each TCI state are notified respectively (the starting RB and the number of occupied RBs are notified).
- Method 3-Pre-defined pattern + indication (such as odd and even RBG/RB, up and down, RBG/RB bitmap):
- Odd-numbered RBG or RB is a group, and even-numbered RBG or RB is a group;
- the first X RBGs or RBs are a group, and the remaining RBGs or RBs are a group;
- Manner 3-1 Notify the overall resource allocation in the downlink control information, that is, all resources corresponding to multiple TCI states. There is a pre-agreed relationship between each TCI state and the resource allocation pattern, for example:
- TCI state 0 corresponds to the even-numbered RBGs or RBs in the allocated resources
- TCI state 1 corresponds to the remaining RBGs or RBs in the allocated resources
- TCI state 0 corresponds to the first X RBGs or RBs in the allocated resources
- TCI state 1 corresponds to the remaining RBGs or RBs in the allocated resources
- X is an integer greater than or equal to zero
- TCI state 0 corresponds to the resource indicated by bitmap 0 in the allocated resources
- TCI state 1 corresponds to the remaining resources in the allocated resources.
- Manner 3-2 Notify the correspondence between each TCI state and the resource allocation pattern in the downlink control information.
- TCI state 0/1 corresponds to an even-numbered RBG or RB in the allocated resources
- TCI state 1/0 corresponds to an odd-numbered RBG or RB in the allocated resources
- TCI state 0/1 corresponds to the first X RBGs or RBs in the allocated resources
- TCI state 1/0 corresponds to the remaining RBGs or RBs in the allocated resources
- TCI state 0/1 corresponds to the resource indicated by bitmap 0 among the allocated resources
- TCI state 1/0 corresponds to the remaining resources among the allocated resources.
- the PRG size is determined as follows:
- the specific PRG size needs to be determined according to the following process :
- the PRG size corresponding to the TCI state the resource corresponding to the TCI state Size;
- the full English name of BWP is Bandwidth Part, which is a part of bandwidth;
- PRG size the value of non-"continuously scheduled bandwidth" in set1.
- set1 is configured to contain two values, it can be configured as ⁇ 2, continuously scheduled bandwidth ⁇ or ⁇ 4, continuously scheduled bandwidth ⁇ , so the non-"continuous scheduled bandwidth" is 2 or 4.
- RRC can configure two parameter sets:
- Set 1 contains one or two PRG size parameter values. When a value is included, it can be configured as 2, 4 or continuously scheduled bandwidth. When two values are included, it can be configured as ⁇ 2, continuously scheduled bandwidth ⁇ or ⁇ 4, continuously scheduled bandwidth ⁇ ;
- Set 2 contains only one value, which can be configured as 2, 4 or continuously scheduled bandwidth.
- a resource allocation method provided by an embodiment of the present application includes:
- S101 Allocate TCI state resources for the transmission configuration indication state, and determine TCI state resource allocation information
- the terminal is notified of the TCI state resource allocation information in one of the following ways:
- Method 2 Notify the starting resource block RB of the TCI state and the number of occupied RBs
- Manner 3 Notify the corresponding relationship between the TCI state and the preset resource allocation mode pattern.
- the method 1 specifically includes:
- bitmap which specifically includes:
- the resource corresponding to each TCI state is notified separately through the bitmap.
- the method 2 specifically includes:
- the initial RB corresponding to each TCI state and the number of occupied RBs are notified respectively.
- the pattern specifically includes one of the following contents:
- Odd-numbered RBG or RB is a group of resources, and even-numbered RBG or RB is another group of resources;
- the first at least one RBG or RB is a group of resources, and the remaining RBGs or RBs are another group of resources;
- At least one RBG or RB bitmap At least one RBG or RB bitmap.
- a resource determination method provided by an embodiment of the present application includes:
- S201 Determine the TCI state resource according to the TCI state resource allocation information notified by the network side of the transmission configuration indication state;
- S202 Determine the size of the precoding resource block group PRG according to the TCI state resource.
- the size of the precoding resource block group PRG is determined in the following manner:
- each A PRG size is the resource size corresponding to the TCI state, where BWP is a preset part of the bandwidth; otherwise, the PRG size is a value that is not "continuously scheduled bandwidth" in set1.
- the precoding mode in the PRG size resource remains unchanged.
- a resource allocation device provided by an embodiment of the present application includes:
- the memory 520 is used to store program instructions
- the processor 500 is configured to call the program instructions stored in the memory, and execute according to the obtained program:
- the processor uses one of the following methods to notify the terminal of the TCI state resource allocation information:
- Method 2 Notify the starting resource block RB of the TCI state and the number of occupied RBs
- Manner 3 Notify the corresponding relationship between the TCI state and the preset resource allocation mode pattern.
- the processor 500 is specifically configured to:
- the processor 500 is specifically configured to:
- the resource corresponding to each TCI state is notified separately through the bitmap.
- the processor 500 is specifically configured to:
- the initial RB corresponding to each TCI state and the number of occupied RBs are notified respectively.
- the pattern specifically includes one of the following contents:
- Odd-numbered RBG or RB is a group of resources, and even-numbered RBG or RB is another group of resources;
- the first at least one RBG or RB is a group of resources, and the remaining RBGs or RBs are another group of resources;
- At least one RBG or RB bitmap At least one RBG or RB bitmap.
- the transceiver 510 is configured to receive and send data under the control of the processor 500.
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 500 and various circuits of the memory represented by the memory 520 are linked together.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein.
- the bus interface provides the interface.
- the transceiver 510 may be a plurality of elements, that is, including a transmitter and a transceiver, and provide a unit for communicating with various other devices on a transmission medium.
- the processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 can store data used by the processor 500 when performing operations.
- the processor 500 can be a central processor (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device). , CPLD).
- CPU central processor
- ASIC application specific integrated circuit
- FPGA field programmable gate array
- FPGA field programmable gate array
- CPLD complex programmable logic device
- a resource determining apparatus provided by an embodiment of the present application includes:
- the memory 620 is used to store program instructions
- the processor 600 is configured to call the program instructions stored in the memory, and execute according to the obtained program:
- the processor 600 determines the size of the precoding resource block group PRG in the following manner:
- each A PRG size is the resource size corresponding to the TCI state, where BWP is a preset part of the bandwidth; otherwise, the PRG size is a value that is not "continuously scheduled bandwidth" in set1.
- the precoding mode in the PRG size resource remains unchanged.
- the transceiver 610 is configured to receive and send data under the control of the processor 600.
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 600 and various circuits of the memory represented by the memory 620 are linked together.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein.
- the bus interface provides the interface.
- the transceiver 610 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
- the user interface 630 may also be an interface that can externally and internally connect the required equipment.
- the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 600 is responsible for managing the bus architecture and general processing, and the memory 620 can store data used by the processor 600 when performing operations.
- the processor 600 may be a CPU (central embedded device), an ASIC (Application Specific Integrated Circuit, application-specific integrated circuit), FPGA (Field-Programmable Gate Array, field programmable gate array) or CPLD (Complex Programmable Logic Device) , Complex programmable logic device).
- CPU central embedded device
- ASIC Application Specific Integrated Circuit
- FPGA Field-Programmable Gate Array, field programmable gate array
- CPLD Complex Programmable Logic Device
- Complex programmable logic device Complex programmable logic device
- another resource allocation apparatus provided by an embodiment of the present application includes:
- the determining unit 11 is configured to allocate transmission configuration indication state TCI state resources, and determine TCI state resource allocation information;
- the allocation unit 12 is configured to notify the terminal of the TCI state resource allocation information.
- the allocating unit 12 uses one of the following methods to notify the terminal of the TCI state resource allocation information:
- Method 2 Notify the starting resource block RB of the TCI state and the number of occupied RBs
- Manner 3 Notify the corresponding relationship between the TCI state and the preset resource allocation mode pattern.
- the allocation unit 12 is specifically configured to:
- the allocating unit 12 is specifically configured to:
- the resource corresponding to each TCI state is notified separately through the bitmap.
- the allocation unit 12 is specifically configured to:
- the initial RB corresponding to each TCI state and the number of occupied RBs are notified respectively.
- the pattern specifically includes one of the following contents:
- Odd-numbered RBG or RB is a group of resources, and even-numbered RBG or RB is another group of resources;
- the first at least one RBG or RB is a group of resources, and the remaining RBGs or RBs are another group of resources;
- At least one RBG or RB bitmap At least one RBG or RB bitmap.
- another resource determining apparatus provided by an embodiment of the present application includes:
- the first unit 21 is configured to determine the TCI state resource according to the TCI state resource allocation information notified by the network side of the transmission configuration indication state;
- the second unit 22 is configured to determine the size of the precoding resource block group PRG according to the TCI state resource.
- the second unit 22 determines the size of the precoding resource block group PRG in the following manner:
- each A PRG size is the resource size corresponding to the TCI state, where BWP is a preset part of the bandwidth; otherwise, the PRG size is a value that is not "continuously scheduled bandwidth" in set1.
- the precoding mode in the PRG size resource remains unchanged.
- each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.
- the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
- the technical solution of this application essentially or the part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , Including a number of instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) execute all or part of the steps of the method described in each embodiment of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .
- the embodiments of the present application provide a computing device, and the computing device may specifically be a desktop computer, a portable computer, a smart phone, a tablet computer, a personal digital assistant (Personal Digital Assistant, PDA), etc.
- the computing device may include a central processing unit (CPU), a memory, an input/output device, etc.
- the input device may include a keyboard, a mouse, a touch screen, etc.
- an output device may include a display device, such as a liquid crystal display (Liquid Crystal Display, LCD), Cathode Ray Tube (CRT), etc.
- the memory may include read-only memory (ROM) and random access memory (RAM), and provides the processor with program instructions and data stored in the memory.
- ROM read-only memory
- RAM random access memory
- the memory may be used to store any program of the resource allocation method or resource determination method provided in the embodiment of the present application.
- the processor calls the program instructions stored in the memory, and the processor is configured to execute any of the resource allocation methods or resource determination methods provided in the embodiments of the present application according to the obtained program instructions.
- the embodiment of the present application provides a computer storage medium for storing computer program instructions used for the device provided in the foregoing embodiment of the present application, and includes instructions for executing any resource allocation method or resource determination provided in the foregoing embodiment of the present application. Method of procedure.
- the computer storage medium may be any available medium or data storage device that can be accessed by the computer, including but not limited to magnetic storage (such as floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state drive (SSD)), etc.
- magnetic storage such as floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
- optical storage such as CD, DVD, BD, HVD, etc.
- semiconductor memory such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state drive (SSD)
- the method provided in the embodiments of the present application can be applied to terminal equipment, and can also be applied to network equipment.
- the terminal equipment can also be called User Equipment (User Equipment, referred to as "UE"), Mobile Station (Mobile Station, referred to as “MS”), Mobile Terminal (Mobile Terminal), etc.
- UE User Equipment
- MS Mobile Station
- Mobile Terminal Mobile Terminal
- the terminal can It has the ability to communicate with one or more core networks via a Radio Access Network (RAN).
- RAN Radio Access Network
- the terminal can be a mobile phone (or called a "cellular" phone), or a mobile computer, etc.
- the terminal may also be a portable, pocket-sized, handheld, computer built-in or vehicle-mounted mobile device.
- the network device may be a base station (for example, an access point), which refers to a device that communicates with a wireless terminal through one or more sectors on an air interface in an access network.
- the base station can be used to convert received air frames and IP packets into each other, and act as a router between the wireless terminal and the rest of the access network, where the rest of the access network can include an Internet Protocol (IP) network.
- IP Internet Protocol
- the base station can also coordinate the attribute management of the air interface.
- the base station can be a base station (BTS, Base Transceiver Station) in GSM or CDMA, a base station (NodeB) in WCDMA, or an evolved base station (NodeB or eNB or e-NodeB, evolutional NodeB) in LTE. B), or it can also be gNB in the 5G system.
- BTS Base Transceiver Station
- NodeB base station
- eNB evolved base station
- e-NodeB evolutional NodeB
- the processing flow of the above method can be implemented by a software program, which can be stored in a storage medium, and when the stored software program is called, the above method steps are executed.
- the embodiment of the present application uses bundling to improve channel estimation performance during coordinated multipoint transmission. Specifically, it includes: in the process of resource allocation, the method of determining the resources corresponding to each TCI state; the process of determining the specific PRG size, especially when the downlink control information indicates that the PRG size is taken from set 1, and set 1 is ⁇ 2, When continuously scheduled bandwidth ⁇ or ⁇ 4, continuously scheduled bandwidth ⁇ , the method to determine the PRG size.
- the resources corresponding to each TCI state can be determined based on the above method.
- this application can be provided as methods, systems, or computer program products. Therefore, this application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, this application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, optical storage, etc.) containing computer-usable program codes.
- a computer-usable storage media including but not limited to disk storage, optical storage, etc.
- These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
- the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
- These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
- the instructions provide steps for implementing functions specified in a flow or multiple flows in the flowchart and/or a block or multiple blocks in the block diagram.
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Abstract
Description
Claims (28)
- 一种资源分配方法,其特征在于,该方法包括:分配传输配置指示状态TCI state资源,并确定TCI state资源分配信息;将所述TCI state资源分配信息通知终端。
- 根据权利要求1所述的方法,其特征在于,采用下列方式之一将所述TCI state资源分配信息通知终端:方式1:通过比特表bitmap方式,将所述TCI state资源分配信息通知终端;方式2:通知TCI state的起始资源块RB以及占用的RB数;方式3:通知TCI state与预设资源分配模式pattern之间的对应关系。
- 根据权利要求2所述的方法,其特征在于,所述方式1具体包括:以资源块组RBG为单位,按照RBG栅格grid对RBG进行编号,并通过bitmap指示TCI state资源分配信息。
- 根据权利要求3所述的方法,其特征在于,通过bitmap指示TCI state资源分配信息,具体包括:在下行控制信息中通知多个TCI state对应的资源,然后通过bitmap通知所述多个TCI state中的一个TCI state所对应的资源;在下行控制信息中通过bitmap分别通知每个TCI state对应的资源。
- 根据权利要求2所述的方法,其特征在于,所述方式2具体包括:在下行控制信息中通知多个TCI state对应的资源,然后通知所述多个TCI state中的一个TCI state起始的RB以及占用的RB数;在下行控制信息中,分别通知每个TCI state对应的起始的RB以及占用的RB数。
- 根据权利要求2所述的方法,其特征在于,当采用所述方式3时,所述pattern,具体包括下列内容之一:奇数RBG或RB为一组资源,偶数RBG或RB为另一组资源;前至少一个RBG或RB为一组资源,其余的RBG或RB为另一组资源;至少一个RBG或RB的bitmap。
- 一种资源确定方法,其特征在于,该方法包括:根据网络侧通知的传输配置指示状态TCI state资源分配信息,确定TCI state资源;根据TCI state资源,确定预编码资源块组PRG大小。
- 根据权利要求7所述的方法,其特征在于,采用下列方式确定预编码资源块组PRG大小:当网络侧发送的下行控制信息指示了PRG大小取值取自集合set1,且set1为{2,连续被调度带宽}或者{4,连续被调度带宽}时:对于任一TCI state,如果该TCI state对应的资源连续,且大于等于BWP/4;或者,该TCI state对应的资源连续,且多个TCI state对应的资源大小之和超过BWP/2,则每个PRG大小为该TCI state对应的资源大小,其中,BWP为预设的一部分带宽;否则,PRG大小为set1中非“连续被调度带宽”的取值。
- 根据权利要求7或8所述的方法,其特征在于,在所述PRG大小的资源内预编码方式保持不变。
- 一种资源分配装置,其特征在于,包括:存储器,用于存储程序指令;处理器,用于调用所述存储器中存储的程序指令,按照获得的程序执行:分配传输配置指示状态TCI state资源,并确定TCI state资源分配信息;将所述TCI state资源分配信息通知终端。
- 根据权利要求10所述的装置,其特征在于,所述处理器采用下列方式之一将所述TCI state资源分配信息通知终端:方式1:通过比特表bitmap方式,将所述TCI state资源分配信息通知终端;方式2:通知TCI state的起始资源块RB以及占用的RB数;方式3:通知TCI state与预设资源分配模式pattern之间的对应关系。
- 根据权利要求11所述的装置,其特征在于,在采用所述方式1将所述TCI state资源分配信息通知终端时,所述处理器具体用于:以资源块组RBG为单位,按照RBG栅格grid对RBG进行编号,并通过bitmap指示TCI state资源分配信息。
- 根据权利要求12所述的装置,其特征在于,所述处理器具体用于:在下行控制信息中通知多个TCI state对应的资源,然后通过bitmap通知所述多个TCI state中的一个TCI state所对应的资源;在下行控制信息中通过bitmap分别通知每个TCI state对应的资源。
- 根据权利要求11所述的装置,其特征在于,在采用所述方式2将所述TCI state资源分配信息通知终端时,所述处理器具体用于:在下行控制信息中通知多个TCI state对应的资源,然后通知所述多个TCI state中的一个TCI state起始的RB以及占用的RB数;在下行控制信息中,分别通知每个TCI state对应的起始的RB以及占用的RB数。
- 根据权利要求11所述的装置,其特征在于,当采用所述方式3时,所述pattern具体包括下列内容之一:奇数RBG或RB为一组资源,偶数RBG或RB为另一组资源;前至少一个RBG或RB为一组资源,其余的RBG或RB为另一组资源;至少一个RBG或RB的bitmap。
- 一种资源确定装置,其特征在于,包括:存储器,用于存储程序指令;处理器,用于调用所述存储器中存储的程序指令,按照获得的程序执行:根据网络侧通知的传输配置指示状态TCI state资源分配信息,确定TCI state资源;根据TCI state资源,确定预编码资源块组PRG大小。
- 根据权利要求16所述的装置,其特征在于,所述处理器采用下列方式确定预编码资源块组PRG大小:当网络侧发送的下行控制信息指示了PRG大小取值取自集合set1,且set1为{2,连续被调度带宽}或者{4,连续被调度带宽}时:对于任一TCI state,如果该TCI state对应的资源连续,且大于等于BWP/4;或者,该TCI state对应的资源连续,且多个TCI state对应的资源大小之和超过BWP/2,则每个PRG大小为该TCI state对应的资源大小,其中,BWP为预设的一部分带宽;否则,PRG大小为set1中非“连续被调度带宽”的取值。
- 根据权利要求16或17所述的装置,其特征在于,在所述PRG大小的资源内预编码方式保持不变。
- 一种资源分配装置,其特征在于,包括:确定单元,用于分配传输配置指示状态TCI state资源,并确定TCI state资源分配信息;分配单元,用于将所述TCI state资源分配信息通知终端。
- 根据权利要求19所述的装置,其特征在于,所述分配单元采用下列方式之一将所述TCI state资源分配信息通知终端:方式1:通过比特表bitmap方式,将所述TCI state资源分配信息通知终端;方式2:通知TCI state的起始资源块RB以及占用的RB数;方式3:通知TCI state与预设资源分配模式pattern之间的对应关系。
- 根据权利要求20所述的装置,其特征在于,在采用所述方式1将所述TCI state资源分配信息通知终端时,所述分配单元具体用于:以资源块组RBG为单位,按照RBG栅格grid对RBG进行编号,并通过bitmap指示TCI state资源分配信息。
- 根据权利要求21所述的装置,其特征在于,所述分配单元具体用于:在下行控制信息中通知多个TCI state对应的资源,然后通过bitmap通知所述多个TCI state中的一个TCI state所对应的资源;在下行控制信息中通过bitmap分别通知每个TCI state对应的资源。
- 根据权利要求20所述的装置,其特征在于,在采用所述方式2将所 述TCI state资源分配信息通知终端时,所述分配单元具体用于:在下行控制信息中通知多个TCI state对应的资源,然后通知所述多个TCI state中的一个TCI state起始的RB以及占用的RB数;在下行控制信息中,分别通知每个TCI state对应的起始的RB以及占用的RB数。
- 根据权利要求20所述的装置,其特征在于,当采用所述方式3时,所述pattern具体包括下列内容之一:奇数RBG或RB为一组资源,偶数RBG或RB为另一组资源;前至少一个RBG或RB为一组资源,其余的RBG或RB为另一组资源;至少一个RBG或RB的bitmap。
- 一种资源确定装置,其特征在于,包括:第一单元,用于根据网络侧通知的传输配置指示状态TCI state资源分配信息,确定TCI state资源;第二单元,用于根据TCI state资源,确定预编码资源块组PRG大小。
- 根据权利要求25所述的装置,其特征在于,所述第二单元采用下列方式确定预编码资源块组PRG大小:当网络侧发送的下行控制信息指示了PRG大小取值取自集合set1,且set1为{2,连续被调度带宽}或者{4,连续被调度带宽}时:对于任一TCI state,如果该TCI state对应的资源连续,且大于等于BWP/4;或者,该TCI state对应的资源连续,且多个TCI state对应的资源大小之和超过BWP/2,则每个PRG大小为该TCI state对应的资源大小,其中,BWP为预设的一部分带宽;否则,PRG大小为set1中非“连续被调度带宽”的取值。
- 根据权利要求25或26所述的装置,其特征在于,在所述PRG大小的资源内预编码方式保持不变。
- 一种计算机存储介质,其特征在于,所述计算机存储介质存储有计算机可执行指令,所述计算机可执行指令用于使所述计算机执行权利要求1至6任一项所述的方法,或执行权利要求7至9任一项所述的方法。
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