CN116939618A

CN116939618A - Communication method and communication device

Info

Publication number: CN116939618A
Application number: CN202210367417.6A
Authority: CN
Inventors: 宣一荻; 陆绍中; 郭志恒; 谢信乾
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2023-10-24
Also published as: WO2023193610A1

Abstract

The application provides a communication method and a communication device, wherein a terminal device receives Downlink Control Information (DCI), wherein the DCI comprises first information which indicates a resource allocation type; and determining the waveform of uplink transmission according to the resource allocation type. Correspondingly, the network equipment determines an uplink transmission waveform and an uplink transmission resource allocation type, wherein the uplink transmission waveform and the uplink transmission resource allocation type have a corresponding relation; and transmitting Downlink Control Information (DCI), wherein the DCI comprises first information which indicates the resource allocation type. The application can solve the problem that the system cannot be configured or can not enable the dynamic switching of waveforms.

Description

Communication method and communication device

Technical Field

The present application relates to the field of communications, and in particular, to a communication method and a communication device.

Background

In a wireless communication system, uplink transmission may employ a cyclic prefix-based orthogonal frequency division multiplexing (cyclic prefix orthogonal frequency division multiplexing, CP-OFDM) waveform or a discrete fourier transform spread orthogonal frequency division multiplexing (discrete fourier transformation spread orthogonal frequency division multiplexing, DFT-S-OFDM) waveform. The CP-OFDM waveform typically has a high peak-to-average power ratio (PAPR) ratio, which limits the uplink transmit power and thus reduces the coverage of the cell. The PAPR of DFT-S-OFDM is obviously reduced compared with CP-OFDM, which is beneficial to improving the coverage of cells. However, when the CP-OFDM waveform is adopted, the frequency domain resource allocation is more flexible, and multi-user space division multiplexing can be supported; when the DFT-S-OFDM waveform is adopted, the data transmission needs to occupy as continuous frequency domain resources as possible, the frequency domain resource allocation is not flexible enough, and multi-user space division multiplexing is not generally supported. The current system only supports semi-static switching CP-OFDM waveforms and DFT-S-OFDM waveforms, and thus, when channel conditions or user coverage conditions, etc. change, the system cannot flexibly and rapidly switch waveforms.

Disclosure of Invention

The communication method and the device provided by the embodiment of the application can solve the problem that the system only supports semi-static switching waveforms.

In a first aspect, a communication method is provided, which may be performed by a terminal device or a chip configured in the terminal device. The method comprises the following steps: receiving Downlink Control Information (DCI), wherein the DCI comprises first information which indicates a resource allocation type; and determining the waveform of uplink transmission according to the resource allocation type. In this scheme, the first information included in the DCI may dynamically indicate the resource allocation type, and the UE determines the uplink waveform according to the resource allocation type, so that the UE may dynamically switch the uplink waveform. When the channel condition or the user coverage condition and the like are changed, the UE can flexibly and rapidly switch waveforms, so that the uplink transmission performance of the UE can be ensured, and the resource utilization rate of a system can be improved. The UE can learn the uplink resource allocation type according to the first information, and determine the uplink waveform, that is, no extra information bit is required to be introduced to indicate the uplink waveform, so that DCI overhead is small.

Illustratively, the determining the waveform of the uplink transmission according to the resource allocation type includes: the resource allocation type is resource allocation type 0, and the waveform of the uplink transmission is determined to be a waveform without adopting conversion precoding; or the resource allocation type is resource allocation type 1, and the waveform of the uplink transmission is determined to be the waveform adopting conversion precoding.

With reference to the first aspect, before receiving the DCI, the method further includes: receiving a first high-level parameter and/or a second high-level parameter, wherein the first high-level parameter indicates a dynamic switching resource allocation type, and the second high-level parameter indicates a dynamic switching waveform; or, receiving a third higher layer parameter, wherein the third higher layer parameter indicates a dynamic switching resource allocation type and a dynamic switching waveform.

In a second aspect, a communication method is provided, which may be performed by a network device or a chip configured in the network device. The network device may be a radio access network device, or may be a network element that implements a corresponding function of the radio access network device. The method comprises the following steps: determining uplink transmission waveforms and uplink transmission resource allocation types, wherein the uplink transmission waveforms and the uplink transmission resource allocation types have corresponding relations; and transmitting DCI, wherein the DCI comprises first information, and the first information indicates the resource allocation type of the uplink transmission. In this scheme, in the present scheme, the network device indicates the resource allocation type through the first information contained in the DCI, and the UE determines the uplink waveform according to the resource allocation type, so the network device may dynamically configure the uplink waveform switching of the UE. When the channel condition or the user coverage condition and the like are changed, the UE can flexibly and rapidly switch waveforms, so that the uplink transmission performance of the UE can be ensured, and the resource utilization rate of a system can be improved. The resource allocation type indicated by the first information and the uplink transmission waveform have a corresponding relationship, so that the UE can acquire the uplink transmission resource allocation type according to the first information, and can determine the uplink transmission waveform, that is, no extra information bit is required to be introduced to indicate the uplink transmission waveform, and DCI overhead is small.

Illustratively, the determining the waveform of the uplink transmission and the resource allocation type of the uplink transmission includes: determining that the waveform of the uplink transmission is a waveform without adopting conversion precoding, and determining that the resource allocation type of the uplink transmission is a resource allocation type 0; or determining the waveform of the uplink transmission as the waveform adopting conversion precoding, and determining the resource allocation type of the uplink transmission as the resource allocation type 1.

With reference to the second aspect, before transmitting the DCI, the method further includes: transmitting a first high-level parameter and/or a second high-level parameter, wherein the first high-level parameter indicates a dynamic switching resource allocation type, and the second high-level parameter indicates a dynamic switching waveform; or, transmitting a third higher layer parameter, wherein the third higher layer parameter indicates a dynamic switching resource allocation type and a dynamic switching waveform.

With reference to the first aspect and the second aspect, the following options are included:

the waveform of the uplink transmission has a corresponding relation with the resource allocation type of the uplink transmission, and the corresponding relation comprises: the resource allocation type 0 corresponds to a waveform which does not adopt conversion precoding; and/or, the resource allocation type 1 corresponds to a waveform employing transform precoding.

The first information is 1-bit information. Optionally, the 1-bit value is 0, and the first information indicates a resource allocation type 0; or the 1 bit has a value of 1, and the first information indicates a resource allocation type 1. The first information is, for example, the most significant 1-bit information of the frequency domain resource allocation information included in the DCI, wherein the frequency domain resource allocation information isBits. The most significant 1 bit of information is originally used to indicate the resource allocation type, so multiplexing the bits does not affect the flexibility of frequency domain resource allocation nor cause additional DCI overhead.

The resource allocation type 0 indicates a resource block group for a bit map, and the resource allocation type 1 indicates a starting point and a length of a resource block for a resource indication value.

In a third aspect, a communication method is provided, which may be performed by a terminal device or a chip configured in the terminal device. The method comprises the following steps: receiving DCI, wherein the DCI comprises 1 bit of first information, and the first information indicates a resource allocation type and a waveform; and determining that the frequency domain resource allocation type of the uplink transmission is the resource allocation type indicated by the first information, and determining that the waveform of the uplink transmission is the waveform indicated by the first information. In this scheme, the first information included in the DCI may dynamically indicate the uplink waveform, so that the UE dynamically switches the uplink waveform. The first information with 1 bit indicates the resource allocation type and the uplink transmission waveform at the same time, so that the UE can acquire the uplink transmission resource allocation type according to the first information, and can determine the uplink transmission waveform, and DCI overhead is small.

Optionally, the 1-bit value is 0, and the first information indicates a resource allocation type 0 and a waveform without conversion precoding; alternatively, the 1 bit has a value of 1, and the first information indicates a resource allocation type 1 and a waveform employing transform precoding.

In a fourth aspect, a communication method is provided, which may be performed by a network device or a chip configured in the network device. The network device may be a radio access network device, or may be a network element that implements a corresponding function of the radio access network device. The method comprises the following steps: determining the waveform and the resource allocation type of uplink transmission; and transmitting DCI, wherein the DCI comprises 1 bit of first information, and the first information indicates the waveform of the uplink transmission and the resource allocation type. In this scheme, in the present scheme, the network device indicates the uplink transmission waveform through the first information contained in the DCI, so that the UE can dynamically switch between the CP-OFDM waveform and the DFT-S-OFDM waveform. The first information with 1 bit indicates the resource allocation type and the uplink transmission waveform at the same time, so that the UE can acquire the uplink transmission resource allocation type according to the first information, and can determine the uplink transmission waveform, and DCI overhead is small.

In a fifth aspect, a communication method is provided, which may be performed by a terminal device or a chip configured in the terminal device. The method comprises the following steps: receiving DCI, wherein the DCI comprises first information, and the first information is the most significant 1-bit information in frequency domain resource allocation information included in the DCI; and determining the waveform of uplink transmission according to the first information. In this scheme, the first information included in the DCI may dynamically indicate the uplink transmission waveform, so that the UE dynamically switches between the CP-OFDM waveform and the DFT-S-OFDM waveform. The first information is 1 bit in the existing DCI, so multiplexing the bit does not cause additional DCI overhead, i.e., no additional information bit is needed to be introduced to indicate the uplink transmission waveform, and DCI overhead is small.

A possible implementation manner, before receiving the DCI, further includes: receiving a first high-level parameter and/or a second high-level parameter, wherein the first high-level parameter indicates a resource allocation type 1, and the second high-level parameter indicates a dynamic switching waveform; or, receiving a third higher layer parameter, wherein the third higher layer parameter indicates a resource allocation type 1 and a dynamic switching waveform. Optionally, the frequency domain resource allocation information is Since the most significant 1-bit information is involved in indicating a specific frequency domain resource, multiplexing the bits corresponds to compressing the number of bits that can be used to indicate the frequency domain resource, and flexibility in frequency domain resource indication is reduced. However, for a UE that needs to dynamically enable a DFT-S-OFDM waveform, which is at the boundary of coverage limitation and non-coverage limitation, less frequency domain resources tend to be used to increase its power spectral density, and thus, compressing the number of bits used to indicate the frequency domain resources does not have a large impact on the UE.

Another possible implementation manner, before receiving the DCI, further includes: receiving a first high-level parameter and/or a second high-level parameter, wherein the first high-level parameter indicates a dynamic switching resource allocation type, and the second high-level parameter indicates a dynamic switching waveform; or, receiving a third higher layer parameter, wherein the third higher layer parameter indicates a dynamic switching resource allocation type and a dynamic switching waveform. Optionally, the frequency domain resource allocation information isBits. The most significant 1 bit of information is inherently used to indicate the resource allocation type, so multiplexing this bit does not affect the frequencyThe flexibility of domain resource allocation does not cause additional DCI overhead.

In a sixth aspect, a communication method is provided, which may be performed by a network device or a chip configured in the network device. The network device may be a radio access network device, or may be a network element that implements a corresponding function of the radio access network device. The method comprises the following steps: determining the waveform of uplink transmission; generating first information according to the uplink transmission waveform, wherein the first information is the most significant 1-bit information in the frequency domain resource allocation information included in the DCI; and sending the DCI. In this scheme, in the present scheme, the network device indicates the uplink transmission waveform through the first information contained in the DCI, so that the UE can dynamically switch between the CP-OFDM waveform and the DFT-S-OFDM waveform. The first information is 1 bit in the existing DCI, so multiplexing the bit does not cause additional DCI overhead, i.e., no additional information bit is needed to be introduced to indicate the uplink transmission waveform, and DCI overhead is small.

A possible implementation manner, before sending the DCI, further includes: transmitting a first high-level parameter and/or a second high-level parameter, wherein the first high-level parameter indicates a resource allocation type 1, and the second high-level parameter indicates a dynamic switching waveform; or, transmitting a third higher layer parameter, wherein the third higher layer parameter indicates a resource allocation type 1 and a dynamic switching waveform.

Another possible implementation manner, before sending the DCI, further includes: transmitting a first high-level parameter and/or a second high-level parameter, wherein the first high-level parameter indicates a dynamic switching resource allocation type, and the second high-level parameter indicates a dynamic switching waveform; or, transmitting a third higher layer parameter, wherein the third higher layer parameter indicates a dynamic switching resource allocation type and a dynamic switching waveform.

In a seventh aspect, a communication method is provided, which may be performed by a terminal device or a chip configured in the terminal device. The method comprises the following steps: receiving a first high-level parameter, wherein the first high-level parameter indicates one configuration in a resource configuration set, and the resource configuration set comprises a resource allocation type 0, a resource allocation type 1 and a dynamic switching resource allocation type; and determining the resource allocation type of uplink transmission and the waveform of the uplink transmission according to the first high-layer parameter. Optionally, the configuration set of resource allocations further includes a dynamic switching resource allocation type and a waveform type. The scheme is suitable for various application scenes. If the coverage of the UE is good, the UE is configured to adopt the resource allocation type 0 and/or not to adopt the waveform of the conversion precoding by receiving the higher layer signaling; if the coverage of the UE is poor, the UE is configured to adopt the resource allocation type 1 and/or adopt the waveform of the transform precoding by receiving the higher layer signaling; if the coverage time of the UE is good or bad, the UE is configured to adopt a dynamic switching waveform and/or a dynamic resource allocation type by receiving the higher layer signaling, so that the UE can be further configured by the network device to use the uplink waveform and/or the resource allocation type currently used by receiving the DCI.

With reference to the seventh aspect, further includes: a second higher level parameter is received, the second higher level parameter indicating one of a set of waveform configurations including waveforms employing transition precoding, waveforms not employing transition precoding, and dynamic switching waveforms. The determining, according to the first higher layer parameter, a resource allocation type of uplink transmission and a waveform of uplink transmission includes: and determining the resource allocation type of the uplink transmission and the waveform of the uplink transmission according to the first high-layer parameter and the second high-layer parameter. Illustratively, the first high-level parameter indicates the dynamic switching resource allocation type, the second high-level parameter indicates a dynamic switching waveform, and determining the uplink resource allocation type and the uplink waveform according to the first high-level parameter and the second high-level parameter includes: determining the uplink transmission supporting dynamic switching resource allocation type; determining that the uplink transmission supports dynamic switching waveforms; and determining the resource allocation type of the uplink transmission and the waveform of the uplink transmission according to the first information included in the DCI.

With reference to the seventh aspect, the first higher layer parameter indicates the resource allocation type 0, and the determining, according to the first higher layer parameter, the resource allocation type of uplink transmission and the waveform of uplink transmission includes: determining the resource allocation type of the uplink transmission as a resource allocation type 0; and determining the waveform type of the uplink transmission as a waveform without adopting conversion precoding.

With reference to the seventh aspect, the determining, according to the first higher layer parameter, the resource allocation type and waveform of uplink transmission includes: determining the uplink transmission supporting dynamic switching resource allocation type; determining that the uplink transmission supports dynamic switching waveforms; and determining the resource allocation type of the uplink transmission and the waveform of the uplink transmission according to the first information included in the DCI.

With reference to the seventh aspect, the determining, according to the first higher layer parameter, the resource allocation type and the waveform of the uplink transmission includes: determining the uplink transmission supporting dynamic switching resource allocation type; determining that the uplink transmission supports dynamic switching waveforms; and determining the resource allocation type of the uplink transmission and the waveform of the uplink transmission according to the first information included in the DCI.

In an eighth aspect, a communication method is provided, which may be performed by a network device or a chip configured in the network device. The network device may be a radio access network device, or may be a network element that implements a corresponding function of the radio access network device. The method comprises the following steps: generating a first high-level parameter according to the uplink transmission resource allocation type and the waveform type; and transmitting the first high-level parameter, wherein the first high-level parameter indicates one configuration in a configuration set of resource allocation, and the configuration set of the resource allocation comprises a resource allocation type 0, a resource allocation type 1 and a dynamic switching resource allocation type. Optionally, the configuration set of resource allocations further includes a dynamic switching resource allocation type and a waveform type. The scheme is suitable for various application scenes. If the coverage of the UE is good, the network device may configure the UE to use the resource allocation type 0 and/or not to use the waveform of the transform precoding through the higher layer signaling; if the coverage of the UE is poor, the network device may configure the UE to use the resource allocation type 1 and/or use the waveform of the transform precoding through the higher layer signaling; if the coverage time of the UE is good or bad, the network device may configure the UE to use a dynamic switching waveform and/or a dynamic resource allocation type through high-layer signaling, so that the network device may further dynamically indicate the currently used uplink waveform and/or resource allocation type through DCI.

With reference to the eighth aspect, further includes: and transmitting a second high-level parameter, wherein the second high-level parameter indicates one configuration in a waveform configuration set, and the waveform configuration set comprises waveforms adopting conversion precoding, waveforms not adopting conversion precoding and dynamic switching waveforms.

With reference to the eighth aspect, the type of resource allocation of the uplink transmission is a type of resource allocation 0, the type of waveform of the uplink transmission is a waveform that does not use conversion precoding, and the first higher layer parameter indicates the type of resource allocation 0.

With reference to the eighth aspect, the uplink transmission resource allocation type is a resource allocation type 1, the uplink transmission waveform type is a dynamic switching waveform, and the first higher layer parameter indicates the resource allocation type 1.

With reference to the eighth aspect, the uplink transmission resource allocation type is a dynamic switching resource allocation type, the uplink transmission waveform type is a dynamic switching waveform, and the first high-level parameter indicates the dynamic switching resource allocation type.

With reference to the eighth aspect, the uplink transmission resource allocation type is a dynamic switching resource allocation type, the uplink transmission waveform type is a dynamic switching waveform, and the first high-level parameter indicates the dynamic switching resource allocation type and the waveform.

A ninth aspect provides a communications apparatus comprising means or units for performing the method of any one of the possible implementations of the first, third, fifth or seventh aspects.

A tenth aspect provides a communication device comprising individual modules or units for performing the method of the second, fourth, sixth or eighth aspect of any of the possible implementations of the second, fourth, sixth or eighth aspect.

In an eleventh aspect, a communication device is provided that includes a processor. The processor is coupled to the memory and operable to execute instructions in the memory to cause the communication device to perform the method of any one of the possible implementations of the first, third, fifth or seventh aspects described above. Optionally, the communication device further comprises a memory. Optionally, the communication device further comprises a transceiver and/or an antenna. Alternatively, the communication means may be a terminal device or a chip configured in the terminal device.

In a twelfth aspect, a communications apparatus is provided that includes a processor. The processor is coupled to the memory and operable to execute instructions in the memory to cause the communication device to perform the method of the second aspect, the fourth aspect, the sixth aspect or any one of the possible implementation manners of the eighth aspect. Optionally, the communication device further comprises a memory. Optionally, the communication device further comprises a transceiver and/or an antenna. Alternatively, the communication apparatus may be a network device or a chip configured in the network device.

A thirteenth aspect provides a terminal device, capable of implementing the method in any one of the possible implementation manners of the first aspect, the third aspect, the fifth aspect or the seventh aspect. Alternatively, the terminal device may be a chip (such as a communication chip or the like) or a user device, and the method may be implemented by software, hardware, or by executing corresponding software by hardware.

In one possible implementation, the terminal device includes a processor and a memory; the processor is configured to support the terminal device to perform the corresponding functions in any one of the possible implementation methods of the first aspect, the third aspect, the fifth aspect or the seventh aspect; the memory is used for storing instructions and/or data. Optionally, the terminal further comprises a radio frequency circuit and an antenna.

In another possible implementation, the terminal device includes a processing apparatus and a transceiver unit. The processing means comprises a processor and a memory for performing the actions implemented internally by the terminal device in any of the possible implementation methods of the first, third, fifth or seventh aspects above; the transceiver unit includes a radio frequency circuit and an antenna for performing an action of the terminal device for external transmission or reception.

In yet another possible implementation, the terminal device includes a processor and a transceiver. The processor is configured to support the terminal device to perform the method in any one of the possible implementation manners of the first aspect, the third aspect, the fifth aspect or the seventh aspect. When the terminal device is a chip, the transceiver may be an input-output unit, such as an input-output circuit or an input-output interface.

In a further possible implementation manner, the terminal device may include a unit module that performs the corresponding action in any one of the possible implementation methods of the first aspect, the third aspect, the fifth aspect or the seventh aspect.

A fourteenth aspect provides a network device, capable of implementing the method of the second aspect, the fourth aspect or any one of the possible implementation manners of the sixth aspect. Alternatively, the network device may be a chip (such as a baseband chip, or a communication chip, or the like) or a base station device, and the above method may be implemented by software, hardware, or by executing corresponding software by hardware.

In one possible implementation, the network device includes a processor and a memory. The processor is configured to support the network device to perform the method in any one of the possible implementation manners of the second aspect, the fourth aspect, the sixth aspect or the eighth aspect; the memory is used for storing instructions and/or data. Optionally, the network device further comprises a radio frequency unit and an antenna.

In another possible implementation, the network device includes a baseband unit and a transceiver unit. The baseband unit is configured to perform the actions implemented inside the network device in any one of the possible implementation methods of the second aspect, the fourth aspect, the sixth aspect or the eighth aspect; the transceiver unit is used for executing actions of the network equipment for sending to the outside or receiving from the outside.

In yet another possible implementation, the network device includes a processor and a transceiver. The processor is configured to support the network device to perform the method in any one of the possible implementation manners of the second aspect, the fourth aspect, the sixth aspect or the eighth aspect. When the network device is a chip, the transceiver may be an input-output unit, such as an input-output circuit or an input-output interface.

In a further possible implementation manner, the network device may include a unit module that performs the corresponding action in any one of the possible implementation methods of the second aspect, the fourth aspect, the sixth aspect or the eighth aspect.

In a fifteenth aspect, a communication unit is provided that may implement part of the functionality of a network device.

In one possible implementation, the communication unit is a radio frequency unit. The radio frequency unit comprises a radio frequency function and/or a physical layer middle-bottom layer function. The radio frequency unit may comprise a unit module for performing the corresponding actions in the above second aspect, the fourth aspect, the sixth aspect or any one of the possible implementation methods of the eighth aspect.

In another possible implementation, the communication unit is a distributed unit. The distributed units include higher layer functions in the RLC layer, MAC layer and/or physical layer. The distributed unit may comprise unit modules performing the respective actions of any one of the possible implementation methods of the second, fourth, sixth or eighth aspects described above.

In yet another possible implementation, the communication unit is a centralized unit. The centralized unit includes PDCP and RRC functions. The centralized unit may comprise a unit module performing the corresponding actions in the method of any one of the second, fourth, sixth or eighth aspects described above.

In a sixteenth aspect, there is provided a computer readable storage medium storing a computer program or instructions which, when executed, implement the method of any one of the possible implementations of the first, third, fifth or seventh aspects described above.

A seventeenth aspect provides a computer readable storage medium storing a computer program or instructions which, when executed, performs the method of any one of the second, fourth, sixth or eighth aspects.

In an eighteenth aspect, there is provided a processor comprising: input circuit, output circuit and processing circuit. The processing circuitry is to receive signals via the input circuitry and to transmit signals via the output circuitry such that the processor performs the method of any one of the above aspects or any one of the possible implementations of that aspect. Optionally, the processor is a chip, the input circuit is an input pin, the output circuit is an output pin, and the processing circuit is a transistor, a gate circuit, a trigger, and/or various logic circuits.

In a nineteenth aspect, there is provided a computer program product comprising: a computer program (which may also be referred to as code, or instructions) which, when executed, causes a computer to perform the method of any one of the possible implementations of the first, third, fifth or seventh aspects described above.

In a twentieth aspect, a computer program product is provided, the computer program product comprising: a computer program (which may also be referred to as code, or instructions) which, when executed, causes a computer to perform the method of the second aspect, fourth aspect, sixth aspect or eighth aspect described above in any of the possible implementations.

The twenty aspects of the above description will be explained in detail from the embodiments described below.

Drawings

FIG. 1 is a schematic diagram of a communication system of the present application;

fig. 2 is a flowchart of PUSCH processing provided by the present application;

FIG. 3 is a flow chart of a communication method provided by the present application;

fig. 4A is a schematic diagram of DCI provided in the present application;

fig. 4B is a schematic diagram of another DCI provided in the present application;

FIG. 5 is a flow chart of yet another communication method provided by the present application;

fig. 6 is a schematic structural diagram of a communication device provided by the present application;

FIG. 7 is a schematic illustration of communication between communication devices provided by the present application;

FIG. 8 is a schematic block diagram of a network device provided by the present application;

fig. 9 is a schematic structural diagram of a terminal device provided by the present application;

fig. 10 is a schematic structural diagram of a communication device provided by the present application.

Detailed Description

The technical scheme of the application will be described below with reference to the accompanying drawings.

The methods and apparatus provided by embodiments of the present application may be applied to various communication systems, such as fifth generation (5th generation,5G), new Radio (NR), long term evolution (long term evolution, LTE), internet of things (internet of things, ioT), wireless fidelity (WiFi), third generation partnership project (3rd generation partnership project,3GPP) related wireless communications, or other wireless communications that may occur in the future, and so forth.

Fig. 1 is a schematic diagram of a communication system suitable for use in the present application. At least one network device, such as network device 110 shown in FIG. 1, is included in the system 100; the system 100 may also include at least one terminal device, such as the terminal device 120 shown in fig. 1. The network device 110 and the terminal device 120 may communicate via a wireless link to further interact information. It will be appreciated that the network device and the terminal device may also be referred to as communication devices.

The network device is a network side device with wireless transceiving function. The network device may be an apparatus in a radio access network (radio access network, RAN) that provides wireless communication functionality for the terminal device, referred to as a RAN device. For example, the network device may be a base station (base station), an evolved NodeB (eNodeB), a next generation NodeB (gNB) in a 5G mobile communication system, a base station for 3GPP subsequent evolution, a transmission and reception point (transmission reception point, TRP), an access node in a WiFi system, a wireless relay node, a wireless backhaul node, and so on. In communication systems employing different radio access technologies (radio access technology, RAT), the names of base station enabled devices may vary. For example, the LTE system may be referred to as an eNB or an eNodeB, the 5G system or an NR system may be referred to as a gNB, and the specific name of the base station is not limited in the present application. The network device may contain one or more co-sited or non-co-sited transmission and reception points. As another example, a network device may include one or more Centralized Units (CUs), one or more Distributed Units (DUs), or one or more CUs and one or more DUs. Illustratively, the functionality of a CU may be implemented by one entity or by a different entity. For example, the functions of the CU are further split, that is, the control plane and the user plane are separated and implemented by different entities, that is, a control plane CU entity (i.e., a CU-CP entity) and a user plane CU entity (i.e., a CU-UP entity), which may be coupled to the DU, so as to jointly complete the functions of the access network device. In this way part of the functionality of the radio access network device may be implemented by a plurality of network functional entities. These network function entities may be network elements in a hardware device, software functions running on dedicated hardware, or virtualized functions instantiated on a platform (e.g., a cloud platform). As another example, in the car-to-anything (vehicle to everything, V2X) technology, the access network device may be a Road Side Unit (RSU). The multiple access network devices in the communication system may be the same type of base station or different types of base stations. The base station may communicate with the terminal device or may communicate with the terminal device through the relay station. In the embodiment of the present application, the means for implementing the function of the network device may be the network device itself, or may be a means capable of supporting the network device to implement the function, for example, a chip system or a combination device or a component capable of implementing the function of the access network device, where the means may be installed in the network device. In the embodiment of the application, the chip system can be composed of chips, and can also comprise chips and other discrete devices. In the embodiment of the present application, a network device is taken as an example, and a technical scheme is described.

The terminal device is a user side device with a wireless transceiving function, and may be a fixed device, a mobile device, a handheld device (for example, a mobile phone), a wearable device, a vehicle-mounted device, or a wireless apparatus (for example, a communication module, a modem, or a chip system) built in the above device. The terminal device is used for connecting people, objects, machines and the like, and can be widely used in various scenes, such as: a scenario of cellular communication, device-to-device (D2D) communication, machine-to-machine/machine-like communication (M2M/MTC) communication in V2X communication, internet of things, virtual Reality (VR), augmented reality (augmented reality, AR), industrial control (industrial control), unmanned driving (self driving), remote medical (remote medical), smart grid (smart grid), smart furniture, smart office, smart wear, smart traffic, smart city (smart city), drone, robot, etc. The terminal device may be a handheld terminal in cellular communication, a communication device in D2D, an internet of things device in MTC, a monitoring camera in intelligent transportation and smart city, or a communication device on an unmanned plane, etc., for example. A terminal device may sometimes be referred to as a User Equipment (UE), a user terminal, a user device, a subscriber unit, a subscriber station, a terminal, an access station, a UE station, a remote station, a mobile device, a wireless communication device, or the like. In the embodiment of the present application, the device for implementing the function of the terminal device may be the terminal device, or may be a device capable of supporting the terminal device to implement the function, for example, a chip system or a combination device or a component capable of implementing the function of the terminal device, and the device may be installed in the terminal device. For convenience of description, the terminal device will be described by taking UE as an example in the present application.

For ease of understanding, some terms involved in the embodiments of the present application will first be described.

1. Downlink control information (downlink control information, DCI)

The DCI is information carried by a physical downlink control channel (physical downlink control channel, PDCCH). Before the UE receives the downlink data or transmits the uplink data, it needs to know the scheduling information configured by the network device to the UE. For example, the DCI includes information such as an uplink scheduling grant (uplink scheduling grant), downlink allocation (downlink assignment), or a power control command.

2. Resource allocation type

The uplink frequency domain resource allocation types include resource allocation type 0 (resource allocation type 0) and resource allocation type 1 (resource allocation type). The resource allocation type 0 is a resource allocation type indicating a resource block group (resource block group, RBG) using a bitmap (bitmap), that is, a bitmap indicates one or more consecutive or non-consecutive RBGs allocated to the UE in a bandwidth part (BWP). By employing resource allocation type 0, the network device may be more flexible to allocate frequency domain resources, e.g., a bitmap may indicate discrete frequency domain resources. The resource allocation type 1 is a resource allocation type that indicates the start point and length of a resource block using a resource indication value (resource indication value, RIV). The resource allocation type 1 is a continuous resource allocation manner, that is, the RIV indicates a segment of continuous resource blocks allocated to the UE in the BWP.

The network device may configure the frequency domain resource allocation type employed by the UE through higher layer parameters (e.g., resource allocation). The high-level parameter may indicate a resource allocation type 0, a resource allocation type 1, or a dynamic switch. When the high-level parameter indicates the resource allocation type 0, the information of the frequency band resource allocation (frequency domain resource assignment) in the DCI is N _RBG Bits, where N _RBG Is the number of RBGs included in the BWP. When the high-level parameter indicates the resource allocation type 1, the frequency band resource allocation information in the DCI is as followsBits, wherein,for the number of RBs included in the upstream BWP, < >>Is rounded upward. When the high-level parameter indicates dynamic switching, the frequency resource allocation information in DCI is +.>Bits. Wherein the most significant 1 bit (most significant bit, MSB) in the frequency domain resource allocation information is used to indicate a resource allocation type 0 or a resource allocation type 1, e.g., a bit value of 0 indicates a resource allocation type 0 and a bit value of 1 indicates a resource allocation type 1. In this way, the NR system configures a dynamic handover type through higher layer signaling, and indicates the employed resource allocation type by using the high-order 1 bit in the frequency band resource allocation information in the DCI, enabling the UE to dynamically switch between the resource allocation type 0 and the resource allocation type 1.

The uplink transmission in the embodiment of the application comprises a physical uplink shared channel (physical uplink shared channel, PUSCH), a physical uplink control channel (physical uplink control channel, PUCCH) and the like. As shown in fig. 2, PUSCH generation includes scrambling (modulation), layer mapping (layer mapping), transform precoding (transform precoding), precoding (precoding), and physical resource mapping (i.e., mapping to physical resources used to transmit PUSCH) operations. Wherein the conversion precoding is optional. Currently, the network device may configure whether transition precoding is enabled through higher layer parameters (e.g., transformPrecoder). Illustratively, when the higher-layer parameter transformPrecoder indicates 'enabled' (i.e., configurable), the generation of the uplink transmission includes an operation of transform precoding, i.e., the waveform of the uplink transmission is a waveform employing transform precoding; when the higher layer parameter transformPrecoder indicates 'disabled' (i.e., disabling configuration), the generation of the uplink transmission does not include the operation of transform precoding, i.e., the waveform of the uplink transmission is a waveform that does not employ transform precoding. The waveform with the converted precoding is also called DFT-S-OFDM; waveforms that do not employ transform precoding are also referred to as CP-OFDM. That is, the network device may configure the uplink waveform to be CP-OFDM or DFT-S-OFDM by a higher layer parameter (e.g., transformPrecoder). Illustratively, when the higher layer parameter transformPrecoder indicates 'enabled', the uplink transmission waveform is DFT-S-OFDM; when the higher layer parameter transformPrecoder indicates 'disabled', the uplink transmission waveform is CP-OFDM.

The CP-OFDM waveform, which is typically high in PAPR, limits the uplink transmit power, thereby reducing the coverage area of the cell. The PAPR of DFT-S-OFDM is obviously reduced compared with CP-OFDM, which is beneficial to improving the coverage of cells. However, when the CP-OFDM waveform is adopted, the frequency domain resource allocation is more flexible, and multi-user space division multiplexing can be supported; when the DFT-S-OFDM waveform is adopted, the data transmission needs to occupy as continuous frequency domain resources as possible, the frequency domain resource allocation is not flexible enough, and multi-user space division multiplexing is not generally supported. Currently, the higher layer parameter transformPrecoder is carried by radio resource control (radio resource control, RRC) RRC signaling. However, RRC signaling is typically semi-statically configured, i.e., waveforms that are not reconfigured once for uplink transmission for a long period of time. Therefore, when channel conditions or user coverage conditions, etc. change, the system cannot flexibly and rapidly switch between the CP-OFDM waveform and the DFT-S-OFDM waveform.

In order to solve the above technical problems, a method provided by an embodiment of the present application is described below with reference to the accompanying drawings. It should be understood that, in the method embodiments described below, only the execution body is taken as a network device and the UE is taken as an example for illustration, where the network device mentioned in the method embodiments may be alternatively executed by a chip configured in the network device, and the UE may be alternatively executed by a chip configured in the UE. The UE and the network device may in particular be of the various forms mentioned above. In addition, although the embodiments of the present application have been described with respect to both the network device and the UE, it is to be understood that different functions in the method may be performed by different network devices, for example, different functions of the base station may be implemented by different network elements, and different operations in the embodiment may be implemented by different network elements that implement different functions of the base station, or of course, may be implemented by a certain network element.

Fig. 3 is a schematic flow chart of a communication method provided in an embodiment of the present application. The steps indicated by dashed lines in fig. 3 are optional and will not be described in detail hereinafter. The embodiment of the application provides two possible implementation manners, namely a first implementation manner and a second implementation manner.

The steps shown in fig. 3 will be described with respect to the first embodiment.

And S300, the network equipment sends high-layer signaling. Accordingly, the UE receives higher layer signaling. The high-level signaling indicates a dynamic handover resource allocation type, or the high-level signaling indicates a dynamic handover resource allocation type and a dynamic handover waveform.

Optionally, the higher layer signaling carries a first higher layer parameter and/or a second higher layer parameter. S300 includes: the network equipment sends the first high-level parameters and/or the second high-level parameters; accordingly, the UE receives the first higher layer parameter and/or the second higher layer parameter. It should be noted that, the first high-layer parameter and the second high-layer parameter may be in the same high-layer signaling, or may be in different high-layer signaling, which is not limited in the embodiments of the present application, and the subsequent embodiments are not repeated.

The first high level parameter indicates a dynamic handover resource allocation type. That is, the network device configures the frequency domain resource allocation type employed by the UE to be dynamic handover (denoted as 'dynamic switch') through the first higher layer parameter. The first high level parameter may be referred to as a high level parameter resource allocation.

The second higher level parameter indicates a dynamic switching waveform. That is, the network device configures the waveform (denoted as 'DynamicTransformPrecoding') that the UE can dynamically switch uplink transmission through the second higher layer parameters. Optionally, the second high-level parameter is a high-level parameter transform precoder, or the second high-level parameter is a new high-level parameter.

Optionally, the higher layer signaling carries a third higher layer parameter. S300 includes: the network equipment sends a third high-level parameter; accordingly, the UE receives the third higher layer parameters.

The third higher layer parameter indicates a dynamic switching resource allocation type and a dynamic switching waveform. Optionally, the third higher layer parameter is a higher layer parameter resourceAllocation indicating a dynamic handover resource allocation type and a dynamic handover waveform (denoted as 'dynamigwitch' or 'dynamigransformamspre'). A third high-level parameter (e.g., a multiplexed high-level parameter resource allocation) may implement the functions of the first high-level parameter and the second high-level parameter at the same time. That is, the network device can configure the UE to dynamically switch the frequency domain resource allocation type and waveform at the same time through a high-level parameter, thereby saving signaling overhead.

Note that, when the DCI format is DCI format 0_0, the frequency domain resource allocation information indicates frequency domain resources only according to frequency domain resource allocation type 1. At this time, the first higher layer parameter does not affect the frequency domain resource allocation of the DCI.

S310, the network device determines the uplink waveform, or the network device determines the uplink waveform and the uplink resource allocation type.

The network device determines whether the type of the uplink waveform is a waveform with or without transform precoding.

The network device determines that the resource allocation type of the uplink transmission is a resource allocation type 0 or a resource allocation type 1.

The network device determines that the uplink transmission waveform is a waveform without conversion precoding, and determines that the uplink transmission resource allocation type is a resource allocation type 0; or the network device determines that the waveform of the uplink transmission is a waveform adopting conversion precoding, and determines that the resource allocation type of the uplink transmission is a resource allocation type 1.

The uplink waveform corresponds to the resource allocation type, specifically, see the description in S330, and will not be repeated here.

S320, the network device transmits DCI. Accordingly, the UE receives DCI.

Optionally, the DCI includes uplink scheduling information. For example, the DCI includes uplink scheduling information in a format of DCI format 0_1 (DCI format 0_1) or DCI format 0_0 (DCI format 0_0). For example, the uplink transmission is PUSCH.

The DCI includes first information indicating a resource allocation type (denoted as mode one) or indicating a resource allocation type and a waveform type (denoted as mode two).The first information is 1-bit information. For example, the 1-bit information is the most significant 1-bit information in the frequency domain resource allocation information, and is used to indicate the resource allocation type 0 or the resource allocation type 1. As shown in fig. 4A, the frequency domain resource allocation information isThe bit, the most significant 1 bit information is originally used to indicate the resource allocation type. Multiplexing the bits therefore does not affect the flexibility of the frequency domain resource allocation.

Mode one, the first information indicates a resource allocation type. Illustratively, the first information indicates a resource allocation type 0 or a resource allocation type 1. For example, the first information having a 1-bit value of 0 indicates a resource allocation type of 0; alternatively, the first information with a 1-bit value of 1 indicates the resource allocation type 1.

Mode two, the first information indicates a resource allocation type and a waveform type. Illustratively, the first information indicates that the resource allocation type is either resource allocation type 0 or resource allocation type 1, and the first information indicates that the waveform type is a waveform with or without transform precoding. For example, the first information having a 1-bit value of 0 indicates a resource allocation type of 0 and a waveform that does not employ conversion precoding; alternatively, the first information having a 1-bit value of 1 indicates a resource allocation type 1 and a waveform employing conversion precoding. The waveform without conversion precoding is also called CP-OFDM, and the waveform with conversion precoding is also called DFT-S-OFDM.

Prior to S320, further comprising: the network device generates the first information according to the uplink resource allocation type and/or the uplink waveform determined in S310. The first information is used for determining the uplink waveform by the UE, where details of how the UE determines the waveform are described in S330, and are not described herein.

S330, the UE determines the waveform of the uplink transmission.

And the UE determines the waveform of the uplink transmission according to the first information. For two ways in S320, S330 also includes two implementations:

in the first mode, the UE determines the uplink transmission waveform according to the resource allocation type indicated by the first information and the correspondence. The corresponding relation is the corresponding relation between the resource allocation type and the uplink transmission waveform, and different resource allocation types correspond to different uplink transmission waveforms. For example, as shown in table 1, the correspondence relationship includes: the resource allocation type 0 corresponds to a waveform which does not adopt conversion precoding; the resource allocation type 1 corresponds to a waveform employing transform precoding. Illustratively, the first information indicates a resource allocation type 0, and the ue determines that the uplink transmission waveform is a waveform that does not employ conversion precoding; or, the first information indicates a resource allocation type 1, and the ue determines that the uplink transmission waveform is a waveform employing transform precoding.

TABLE 1

Resource allocation type	Waveform shape
		Resource allocation type 0	Without conversion precoding
Resource allocation type 1	Using conversion precoding

And in a second mode, the UE determines the waveform of uplink transmission according to the waveform type indicated by the first information. In addition, the UE also determines the resource allocation type of uplink transmission according to the resource allocation type indicated by the first information. The value of the first information has a corresponding relation with the resource allocation type and the uplink transmission waveform, and different values of the first information respectively correspond to different resource allocation types and uplink transmission waveforms. Illustratively, as shown in table 2, the value of the first information of 1 bit is 0, and the ue determines that the uplink transmission adopts the resource allocation type 0 and does not adopt the waveform of the conversion precoding; the value of the first information of 1 bit is 1, and the ue determines that the uplink transmission adopts the resource allocation type 1 and adopts the waveform of the conversion precoding.

TABLE 2

Bit value of first information	Resource allocation type	Waveform shape
			0	Resource allocation type 0	Without conversion precoding
1	Resource allocation type 1	Using conversion precoding

S340, the UE transmits the DCI scheduled uplink transmission. Accordingly, the network device receives the uplink transmission.

Optionally, the UE sends the uplink transmission according to DCI. For example, the UE transmits the uplink transmission using the uplink transmission waveform determined in S330 on the frequency domain resource of the uplink transmission. The frequency domain resource of the uplink transmission is indicated by frequency domain resource allocation information included in the DCI.

Optionally, the network device receives the uplink transmission by using the waveform of the uplink transmission determined in S310 on the frequency domain resource of the uplink transmission.

In the embodiment of the application, the network equipment indicates the uplink transmission waveform through the first information contained in the DCI, so that the UE can dynamically switch between the CP-OFDM waveform and the DFT-S-OFDM waveform. When the channel condition or the user coverage condition and the like are changed, the UE can flexibly and rapidly switch waveforms, so that the uplink transmission performance of the UE can be ensured, and the resource utilization rate of a system can be improved. Further, the embodiment of the application introduces the corresponding relation between the resource allocation type and the uplink transmission waveform, the first information can indicate the uplink transmission waveform and the resource allocation type only by 1 bit, DCI overhead is small, and DCI performance is ensured. In the first mode, the UE determines the uplink transmission waveform according to the resource allocation type and the correspondence indicated by the first information, that is, no extra information bit needs to be introduced to indicate the uplink transmission waveform, and DCI overhead is small. In the second mode, because there is a correspondence between the resource allocation type and the uplink transmission waveform, the first information can indicate the resource allocation type and the uplink transmission waveform, and DCI overhead is small. The first information may be the most significant 1-bit information in the frequency domain resource allocation information included in the current DCI, that is, multiplexing the existing DCI bits may indicate the uplink transmission waveform and the resource allocation type, without causing additional DCI overhead.

The steps shown in fig. 3 will be described below with respect to the second embodiment.

And S300, the network equipment sends high-layer signaling. Accordingly, the UE receives higher layer signaling. The higher layer signaling indicates the resource allocation type 1 and/or dynamic handover waveform.

Optionally, the higher layer signaling carries a first higher layer parameter and/or a second higher layer parameter. S300 includes: the network equipment sends the first high-level parameters and/or the second high-level parameters; accordingly, the UE receives the first higher layer parameter and/or the second higher layer parameter.

The first high level parameter indicates a resource allocation type 1. That is, the network device configures the frequency domain resource allocation type adopted by the UE to be the resource allocation type 1 through the first higher layer parameter. The first high level parameter may be referred to as a high level parameter resource allocation.

The second higher level parameter indicates a dynamic switching waveform. Reference is made specifically to the description in the first implementation, and no further description is given here.

The third higher layer parameters indicate the resource allocation type 1 and the dynamic handover waveform. That is, the network device simultaneously configures the UE to employ the resource allocation type 1 and the dynamic handover waveform through the third higher layer parameters. Optionally, the third higher layer parameter is a higher layer parameter resource allocation, and the higher layer parameter resource allocation indicates a resource allocation type 1. That is, the network device indicates type 1 through a high-level parameter, and can configure the UE to adopt frequency domain resource allocation type 1 and dynamic switching waveform at the same time, so as to save signaling overhead.

The network device determines whether the type of the uplink waveform is a waveform with or without transform precoding. Optionally, the network device determines that the resource allocation type of the uplink transmission is a resource allocation type 1.

S320, the network device transmits DCI. Accordingly, the UE receives DCI.

The DCI includes first information indicating a waveform of an uplink transmission. Optionally, the first information is 1 bit. For example, the 1-bit information is the most significant 1-bit information in the frequency domain resource allocation information. For example, the first information having a 1-bit value of 0 indicates a waveform that does not employ conversion precoding; alternatively, the first information having a 1-bit value of 1 indicates a waveform employing conversion precoding. As another example, a first information with a 1-bit value of 1 indicates a waveform that does not employ conversion precoding; alternatively, the first information having a 1-bit value of 0 indicates a waveform employing conversion precoding.

S330, the UE determines the waveform of the uplink transmission.

And the UE determines the waveform of the uplink transmission according to the first information. For example, the value of the first information of 1 bit is 0, and the ue determines that the uplink transmission does not employ the waveform of the conversion precoding; the value of the first information of 1 bit is 1, and the ue determines that the uplink transmission adopts a waveform of conversion precoding. For another example, the value of the first information of 1 bit is 0, and the ue determines that the uplink transmission adopts the waveform of the conversion precoding; the value of the first information of 1 bit is 1, and the ue determines that the uplink transmission does not employ the waveform of the conversion precoding.

Reference is made specifically to the description of the first embodiment, and no further description is given here.

In the embodiment of the application, the network equipment indicates the uplink transmission waveform through the first information contained in the DCI, so that the UE can dynamically switch between the CP-OFDM waveform and the DFT-S-OFDM waveform. When the channel condition or the user coverage condition and the like are changed, the UE can flexibly and rapidly switch waveforms, so that the uplink transmission performance of the UE can be ensured, and the resource utilization rate of a system can be improved. Further, the first information may be the most significant 1-bit information in the frequency domain resource allocation information included in the current DCI, that is, multiplexing the existing DCI bits may indicate the uplink transmission waveform, which does not cause additional DCI overhead.

It should be noted that, when the first information is the most significant 1-bit information of the frequency domain resource indication field, the implementation two is different from the implementation one. In a first implementation, the frequency domain resource allocation type is dynamic switching, as shown in fig. 4A, and the frequency domain resource allocation information isThe most significant 1-bit information is inherently used to indicate the resource allocation type, so multiplexing the bits does not affect the flexibility of frequency domain resource allocation. However, in implementation two, the frequency domain resource allocation type isResource allocation type 1, as shown in fig. 4B, the frequency domain resource allocation information isSince the most significant 1-bit information is involved in indicating a specific frequency domain resource, multiplexing the bits corresponds to compressing the number of bits that can be used to indicate the frequency domain resource, and flexibility in frequency domain resource indication is reduced. However, for a UE that needs to dynamically enable a DFT-S-OFDM waveform, which is at the boundary of coverage limitation and non-coverage limitation, less frequency domain resources tend to be used to increase its power spectral density, and thus, compressing the number of bits used to indicate the frequency domain resources does not have a large impact on the UE.

Fig. 5 is a schematic flow chart of a communication method provided by an embodiment of the present application. The steps shown in fig. 5 are explained below. It should be noted that the steps indicated by the dashed lines in fig. 5 are optional, and will not be described in detail later.

S500, the network equipment determines the resource allocation type of uplink transmission and/or the waveform type of uplink transmission indicated by the high-layer signaling.

The network device determines that the resource allocation type of the uplink transmission indicated by the higher layer signaling is a resource allocation type 0, a resource allocation type 1 or a dynamic switching resource allocation type. The dynamic switching of the resource allocation type may also be understood as that the DCI indicates the resource allocation type, so that the network device may dynamically indicate the resource allocation type through the DCI.

The network device determines that the type of the uplink waveform indicated by the higher layer signaling is a waveform employing conversion precoding, a waveform not employing conversion precoding, or a dynamic switching waveform. The dynamic switching waveform may also be understood as a DCI indication waveform, so that the network device may dynamically indicate the uplink waveform through the DCI.

S510, the network device sends higher layer signaling. Accordingly, the UE receives higher layer signaling.

The high layer signaling carries a first high layer parameter or the high layer signaling carries a first high layer parameter and a second high layer parameter. In other words, the network device transmits the first higher layer parameter and/or the second higher layer parameter, and accordingly, the UE receives the first higher layer parameter and/or the second higher layer parameter.

The first high level parameter indicates one of the first set of configurations or the second set of configurations. There are the following 2 examples:

for example one, the first higher layer parameter indicates one configuration in a first set of resource configurations including a resource allocation type 0, a resource allocation type 1, and a dynamic handover resource allocation type (which may be denoted as 'dynamic switch'). In other words, the first higher layer parameter indicates a resource allocation type 0, a resource allocation type 1, or a dynamic handover resource allocation type. That is, the network device configures the frequency domain resource allocation type employed by the UE through the first higher layer parameter. For example, the first higher layer parameter is a higher layer parameter resource allocation.

Example two, the first high-level parameter indicates one configuration in a second set of resource configurations including resource allocation type 0, resource allocation type 1, dynamic handover resource allocation type, and dynamic handover resource allocation type and waveform (which may be denoted as 'dynamic switch dynamic transform precoding'). In other words, the first higher layer parameter indicates a resource allocation type 0, a resource allocation type 1, a dynamic switching resource allocation type, or a dynamic switching resource allocation type and waveform. That is, the network device configures the frequency domain resource allocation type and/or the waveform type employed by the UE through the first higher layer parameters. The first high level parameter may be referred to as a high level parameter resource allocation. Compared with the first example, the first higher-layer parameter in the second example can configure the frequency domain resource allocation type and/or the waveform type at the same time, so that the cost is saved.

The second higher layer parameter indicates the waveform of the uplink transmission. There are the following 2 examples:

in one example, the second higher level parameter indicates one of a first set of waveform configurations, the second set of waveform configurations including 'enabled' and 'disabled'. In other words, the second higher layer parameter indicates that the waveform type of the uplink transmission is 'enabled' or 'disabled'. That is, the network device configures, through the second higher layer parameter, the waveform of the uplink transmission adopted by the UE to be a waveform adopting the conversion precoding or a waveform not adopting the conversion precoding. For example, the second higher layer parameter is a higher layer parameter transformPrecoder.

Example two, the second higher level parameter indicates one configuration in a second set of waveform configurations including 'enabled', 'disabled' and dynamic switching waveforms. In other words, the second higher layer parameter indicates that the waveform type of the uplink is 'enabled', 'disabled' or a dynamic handover waveform (which may be referred to as 'dynamic transform precoding'). That is, the network device configures the uplink transmission waveform adopted by the UE to be a waveform adopting the conversion precoding, a waveform not adopting the conversion precoding, or a dynamic handover waveform through the second higher layer parameter. Optionally, the second higher layer parameter is a higher layer parameter transformPrecoder. The second mode is to add a waveform type of dynamic switching waveform based on the first mode, thus, multiple waveforms can be indicated by only one high-level parameter, and the cost is saved.

Optionally, before S510, the method further includes: the network device determines and/or generates higher layer signaling according to the resource allocation type and waveform type and the correspondence described in S500. The correspondence is a correspondence between a resource allocation type and a waveform type of uplink transmission and a higher layer signaling, and includes at least one relationship (i.e., a relationship represented by at least one row) shown in table 3. Note that, when the first higher layer parameter is as described in example one, the mode eight in table 3 is not applicable. When the second higher layer parameter is as described in example one, the second higher layer parameter in table 3 indicates that the case of dynamically switching waveforms is not applicable. For example, when the first higher layer parameter is described in example one and the second higher layer parameter is described in example one, table 3 includes mode one, mode three (3-1 and/or 3-2) and/or mode seven (7-1 and/or 7-2). As another example, when the first higher layer parameter is described in example one and the second higher layer parameter is described in example one, table 3 includes mode one, mode four (4-1 and/or 4-2) and/or mode seven (7-1 and/or 7-2). As another example, when the first higher layer parameter is described in example one and the second higher layer parameter is described in example two, table 3 includes mode one, mode three, and/or mode six. As another example, when the first higher layer parameters are as described in example one, table 3 includes mode one, mode two (2-1 or 2-2) and/or mode five (5-1). For another example, when the first higher layer parameters are as described in example two, table 3 includes mode one, mode two (2-2), mode five (5-2) and/or mode eight.

TABLE 3 Table 3

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Corresponding to table 3, including at least one of the following implementations:

1) Mode one:

if the uplink resource allocation type determined by the network device is the resource allocation type 0, the network device determines that the first higher layer parameter indicates the resource allocation type 0. Optionally, the network device also determines that the second higher layer parameter indicates 'disabled', i.e. indicates that the waveform of the transform pre-coding is not employed.

2) Mode two:

if the uplink resource allocation type determined by the network device is the resource allocation type 1, the network device determines that the first higher layer parameter indicates the resource allocation type 1. Optionally, the network device further determines the waveform type as a dynamic switching waveform, with or without transition precoding.

3) Mode three:

if the uplink transmission resource allocation type determined by the network device is a resource allocation type 1 and the waveform type is a waveform adopting conversion precoding, the network device determines that the first high-layer parameter indicates the resource allocation type 1 and the second high-layer parameter indicates 'enabled'; if the uplink transmission resource allocation type determined by the network device is a resource allocation type 1 and the waveform type is a waveform without conversion precoding, the network device determines that the first high-level parameter indicates the resource allocation type 1 and the second high-level parameter indicates 'disabled'; and/or if the uplink transmission resource allocation type determined by the network device is the resource allocation type 1 and the waveform type is the dynamic switching waveform, determining that the first high-level parameter indicates the resource allocation type 1 and the second high-level parameter indicates the dynamic switching waveform by the network device.

4) Mode four:

if the uplink transmission resource allocation type determined by the network device is a resource allocation type 1 and the waveform type is a waveform without conversion precoding, the network device determines that the first high-level parameter indicates the resource allocation type 1 and the second high-level parameter indicates 'disabled'; and/or, if the resource allocation type of the uplink transmission determined by the network device is the resource allocation type 1 and the waveform type is the dynamic switching waveform, the network device determines that the first higher layer parameter indicates the resource allocation type 1 and the second higher layer parameter indicates the dynamic switching waveform or 'enabled'.

5) Mode five:

if the uplink transmission resource allocation type determined by the network device is a dynamic switching resource allocation type, the network device determines that the first higher layer parameter indicates the dynamic switching resource allocation type. Optionally, the network device further determines the waveform type as a dynamic switching waveform, with or without transition precoding.

6) Mode six:

if the uplink transmission resource allocation type determined by the network device is a dynamic switching resource allocation type and the waveform type is a waveform adopting conversion precoding, the network device determines that the first high-level parameter indicates the dynamic switching resource allocation type and the second high-level parameter indicates 'enabled'; if the uplink transmission resource allocation type determined by the network device is the resource allocation type 1 and the waveform type is a waveform without conversion precoding, the network device determines that the first high-level parameter indicates a dynamic switching resource allocation type and the second high-level parameter indicates 'disabled'; and/or if the uplink transmission resource allocation type determined by the network device is the resource allocation type 1 and the waveform type is the dynamic switching waveform, the network device determines that the first high-level parameter indicates the dynamic switching resource allocation type and the second high-level parameter indicates the dynamic switching waveform.

7) Mode seven:

if the uplink transmission resource allocation type determined by the network device is a dynamic switching resource allocation type and the waveform type is a waveform without conversion precoding, the network device determines that the first high-level parameter indicates the dynamic switching resource allocation type and the second high-level parameter indicates 'disabled'; and/or, if the uplink resource allocation type determined by the network device is the resource allocation type 1 and the waveform type is the dynamic switching waveform, the network device determines that the first higher layer parameter indicates the dynamic switching resource allocation type, and the second higher layer parameter indicates the dynamic switching waveform or 'enabled'.

8) Mode eight:

if the uplink transmission resource allocation type determined by the network device is a dynamic switching resource allocation type and the waveform type is a dynamic switching waveform, the network device determines that the first higher layer parameter indicates the dynamic switching resource allocation type and the waveform.

S520, the network device determines a resource allocation type of uplink transmission and/or a waveform type of uplink transmission.

If in S500, the network device determines that the uplink resource allocation type indicated by the higher layer signaling is the dynamic handover resource allocation type, the network device needs to determine the uplink resource allocation type, i.e. needs to determine the uplink resource allocation type indicated by the DCI. Illustratively, the network device determines that the resource allocation type of the uplink transmission is either resource allocation type 0 or resource allocation type 1.

If in S500, the type of the uplink waveform indicated by the higher layer signaling determined by the network device is a dynamic switching waveform, the network device needs to determine the type of the uplink waveform, that is, needs to determine the waveform of the uplink waveform indicated by the DCI. Illustratively, the network device determines the uplink transmitted waveform as a waveform that does not employ transform precoding or a waveform that employs transform precoding.

S530, the network device transmits DCI. Accordingly, the UE receives DCI.

If the waveform type of the uplink transmission determined by the network device is a dynamic switching waveform, the DCI includes first information. The specific description of the first information is referred to the description in the embodiment shown in fig. 3, and will not be repeated here.

S540, the UE determines the resource allocation type and waveform of uplink transmission according to the high-layer signaling or the UE determines the resource allocation type and waveform of uplink transmission according to the high-layer signaling and the DCI.

1) Mode one:

if the first high-level parameter indicates the resource allocation type 0, or the first high-level parameter indicates the resource allocation type 0 and the second high-level parameter indicates 'disabled', the UE determines that the uplink transmission resource allocation type is the resource allocation type 0, and determines that the uplink transmission waveform type is a waveform without adopting conversion precoding.

2) Mode two:

if the first higher layer parameter indicates the resource allocation type 1, the UE determines that the uplink resource allocation type is the resource allocation type 1, determines that the uplink transmission supports dynamic switching waveforms, and determines the uplink waveform type according to first information included in DCI. The detailed implementation manner is shown in the description of S320 and S330 in the implementation manner two shown in fig. 3, and will not be repeated here.

Or if the first higher layer parameter indicates the resource allocation type 1, the UE determines that the resource allocation type of the uplink transmission is the resource allocation type 1, and determines that the waveform type of the uplink transmission is a waveform adopting conversion precoding or not adopting conversion precoding.

In the implementation manner, the UE can determine that the uplink transmission supports dynamic switching waveform without needing to be according to the second high-layer parameters, so that signaling overhead is saved.

3) Mode three:

and the UE determines the resource allocation type and the waveform type of uplink transmission according to the first high-layer parameter and the second high-layer parameter. If the first higher layer parameter indicates the resource allocation type 1, the UE determines that the uplink resource allocation type is the resource allocation type 1. And the UE determines the waveform type of the uplink transmission according to the second high-layer parameter. For example, when the second higher layer parameter indicates 'enabled', the UE determines the type of the uplink waveform as a waveform employing the transform precoding; when the second higher layer parameter indicates 'disabled', the UE determines that the type of the uplink transmission waveform is a waveform that does not adopt conversion precoding; and/or, when the second higher-layer parameter indicates the dynamic switching waveform, the UE determines that the uplink waveform type is the dynamic switching waveform, and determines the uplink waveform type according to the first information included in the DCI, and detailed description of S320 and S330 in the implementation two shown in fig. 3 is omitted here.

4) Mode four:

and the UE determines the resource allocation type and the waveform type of uplink transmission according to the first high-layer parameter and the second high-layer parameter. If the first higher layer parameter indicates the resource allocation type 1, the UE determines that the uplink resource allocation type is the resource allocation type 1. And the UE determines the waveform type of the uplink transmission according to the second high-layer parameter. For example, when the second higher layer parameter indicates 'disabled', the UE determines the type of the uplink transmission waveform as a waveform that does not employ the conversion precoding; and/or, when the second higher-layer parameter indicates the dynamic switching waveform or 'enabled', the UE determines that the uplink waveform type is the dynamic switching waveform, and determines the uplink waveform type according to the first information included in the DCI, and detailed description of S320 and S330 in the implementation two shown in fig. 3 is omitted herein.

5) Mode five:

the first higher layer parameter indicates a dynamic switching resource allocation type, the UE determines that uplink transmission supports the dynamic switching resource allocation type and the dynamic switching waveform, and determines the uplink transmission resource allocation type and the waveform type according to first information included in DCI. The detailed implementation manner is shown in the description of S320 and S330 in the implementation manner one shown in fig. 3, and will not be repeated here.

Or the first higher layer parameter indicates a dynamic switching resource allocation type, the UE determines that the resource allocation type of the uplink transmission is the dynamic switching resource allocation type, and determines that the waveform type of the uplink transmission is a waveform with or without conversion precoding.

6) Mode six:

and the UE determines the resource allocation type and the waveform type of uplink transmission according to the first high-layer parameter and the second high-layer parameter. The first higher layer parameter indicates a dynamic switching resource allocation type, the UE determines that the uplink resource allocation type is the dynamic switching resource allocation type, and determines the uplink resource allocation type according to first information included in DCI. And the UE determines the waveform supported by the uplink transmission according to the second higher layer parameter. For example, when the second higher layer parameter indicates 'enabled', the UE determines the type of the uplink waveform as a waveform employing the transform precoding; when the second higher layer parameter indicates a dynamic switching waveform or 'disabled', the UE determines that the waveform type of uplink transmission is a waveform without adopting conversion precoding; and/or, when the second higher-layer parameter indicates the dynamic switching waveform, the UE determines that the uplink waveform type is the dynamic switching waveform, and determines the uplink waveform type according to the first information included in the DCI, and detailed description of S320 and S330 in the implementation one shown in fig. 3 is omitted here.

7) Mode seven:

and the UE determines the resource allocation type and the waveform type of uplink transmission according to the first high-layer parameter and the second high-layer parameter. The first higher layer parameter indicates a dynamic switching resource allocation type, the UE determines that the uplink resource allocation type is the dynamic switching resource allocation type, and determines the uplink resource allocation type according to first information included in DCI. And the UE determines the waveform type of the uplink transmission according to the second high-layer parameter. For example, when the second higher layer parameter indicates 'disabled', the UE determines the type of the uplink transmission waveform as a waveform that does not employ the conversion precoding; and/or, when the second higher-layer parameter indicates the dynamic switching waveform or 'enabled', the UE determines that the uplink waveform type is the dynamic switching waveform, and determines the uplink waveform type according to the first information included in the DCI, and detailed description of S320 and S330 in the implementation two shown in fig. 3 is omitted herein.

8) Mode eight:

the first higher layer parameter indicates a dynamic switching resource allocation type and a waveform, the UE determines that uplink transmission supports the dynamic switching resource allocation type and the dynamic switching waveform, and determines the uplink transmission resource allocation type and the waveform type according to first information included in DCI. The detailed implementation manner is shown in the description of S320 and S330 in the implementation manner one shown in fig. 3, and will not be repeated here.

S550, the UE transmits the DCI scheduled uplink transmission. Accordingly, the network device receives the uplink transmission.

Optionally, the UE sends the uplink transmission according to DCI. For example, the UE transmits the uplink transmission using the uplink transmission waveform determined in S540 on the frequency domain resource of the uplink transmission. The frequency domain resource of the uplink transmission is indicated by frequency domain resource allocation information included in the DCI.

Optionally, the network device receives the uplink transmission on the frequency domain resource of the uplink transmission, and uses the waveform of the uplink transmission determined in S500 and/or S520.

The embodiment of the application provides a configuration and determination scheme of an uplink transmission resource allocation type and a waveform type, which is suitable for various application scenes. If the coverage of the UE is good, the network device may configure the UE to use the resource allocation type 0 and/or not to use the waveform of the transform precoding through the higher layer signaling; if the coverage of the UE is poor, the network device may configure the UE to use the resource allocation type 1 and/or use the waveform of the transform precoding through the higher layer signaling; if the coverage time of the UE is good or bad, the network device may configure the UE to use a dynamic switching waveform and/or a dynamic resource allocation type through high-layer signaling, so that the network device may further dynamically indicate the currently used uplink waveform and/or resource allocation type through DCI.

It should be noted that, in various embodiments of the present application, the sequence number of each process does not mean the sequence of execution, and the execution sequence of each process should be determined according to its function and internal logic. The various numbers or serial numbers referred to in the above processes are merely for convenience of description and should not be construed as limiting the implementation of the embodiments of the present application. For example, S300 may be performed before S310, and S300 may be performed after S310. As another example, S500 may be performed before S520, and S500 may also be performed simultaneously with S520. As another example, S510 may be performed before S520, and S510 may be performed after S520. As another example, S530 may be performed before S540, and S530 may be performed after S540.

Fig. 6 is a schematic structural diagram of a communication device according to an embodiment of the present application. It should be noted that, the portion indicated by the dashed box in fig. 6 is optional, and will not be described in detail later.

The communications device 1000 includes one or more processors 1100. The processor 1100 may be used for internal processing of the device, implementing certain control processing functions. Optionally, the processor 1100 includes instructions 1300. Alternatively, the processor 1100 may store data. Alternatively, the processor 1100 may be a general-purpose processor or a special-purpose processor, or the like. Illustratively, the communications apparatus 1000 includes at least one of the following processors: a central processing unit (central processing unit, CPU), a digital signal processor (digital signal processor, DSP), a baseband processor, a modem processor, a transceiver processor, an application processor, an image signal processor, a video codec processor, a controller, a microprocessor, a microcontroller, a system-on-a-chip (SoC), and/or a neural network processor, etc. Alternatively, the different processors may be separate devices, may be located in different physical locations, and may be located on different integrated circuits. Alternatively, the different processors may be integrated in one or more processors, e.g., integrated on one or more integrated circuits.

Optionally, the communications device 1000 also includes one or more memories 1200 to store instructions 1400. Optionally, the memory 1200 may also store data therein. The processor and the memory may be provided separately or may be integrated.

Optionally, the communication device 1000 may also include a transceiver 1500 and/or an antenna 1600. Where transceiver 1500 may be used to transmit information to or receive information from other devices. The transceiver 1500 may be referred to as a transceiver, a transceiver circuit, an input-output interface, etc. for implementing the transceiver function of the communication device 1000 through the antenna 1600. Optionally, transceiver 1500 includes a transmitter (transmitter) and a receiver (receiver). Illustratively, a transmitter may be used to generate a radio frequency (radio frequency) signal from the baseband signal, and a receiver may be used to convert the radio frequency signal to the baseband signal.

Optionally, the communication device 1000 may further include one or more of the following: wireless communication modules, audio modules, external memory interfaces, internal memory, universal serial bus (universal serial bus, USB) interfaces, power management modules, antennas, speakers, microphones, input/output modules, sensor modules, motors, cameras, or displays, among others. These components may be hardware, software, or a combination of software and hardware implementations.

The processor 1100 executes instructions stored by the communication device 1000, i.e. instructions stored by the communication device may be executed on the processor 1100, such that the communication device 1000 performs the method described in the above embodiments. Optionally, the instruction is an instruction 1300 in a processor, or the instruction is an instruction 1400 in a memory.

In the embodiments of the present application, the instructions may also refer to a computer program, a code, a program, an application program, software, or an executable file. Such as a computer program or code stored by the communications device 1000. And the other parts will not be described in detail.

In a first implementation manner, the communication apparatus 1000 may be used to implement a method corresponding to a terminal device in the above-mentioned application embodiment, and specific functions are described in the above-mentioned embodiment.

Illustratively, the communications apparatus 1000 includes a processor 1100, where the processor 1100 is configured to execute a computer program or instructions to cause a method corresponding to a terminal device in the above-described application embodiments to be performed.

Optionally, the method corresponding to the terminal device in the embodiment of the application includes: receiving DCI, the DCI including first information indicating a resource allocation type; and determining the waveform of uplink transmission according to the resource allocation type.

Optionally, the method corresponding to the terminal device in the embodiment of the application includes: receiving DCI including 1-bit first information indicating a resource allocation type and a waveform; determining that the frequency domain resource allocation type of the uplink transmission is the resource allocation type indicated by the first information, and determining that the waveform of the uplink transmission is the waveform indicated by the first information.

Optionally, the method corresponding to the terminal device in the embodiment of the application includes: receiving DCI, wherein the DCI comprises first information, and the first information is the most significant 1-bit information in the frequency domain resource allocation information included in the DCI; and determining the waveform of uplink transmission according to the first information.

Optionally, the method corresponding to the terminal device in the embodiment of the application includes: receiving a first high-level parameter, wherein the first high-level parameter indicates one configuration in a resource configuration set, and the resource configuration set comprises a resource allocation type 0, a resource allocation type 1 and a dynamic switching resource allocation type; and determining the resource allocation type of uplink transmission and the waveform of the uplink transmission according to the first high-layer parameter.

In a second implementation manner, the communication apparatus 1000 may be used to implement the method corresponding to the network device in the above-mentioned application embodiment, and specific functions are described in the above-mentioned embodiment.

Illustratively, the communications apparatus 1000 includes a processor 1100, where the processor 1100 is configured to execute a computer program or instructions to cause a method corresponding to a network device in the above-described application embodiments to be performed.

Optionally, the method corresponding to the network device in the embodiment of the application includes: determining an uplink transmission waveform and an uplink transmission resource allocation type, wherein the uplink transmission waveform and the uplink transmission resource allocation type have a corresponding relation; and transmitting DCI, wherein the DCI comprises first information, and the first information indicates the resource allocation type of the uplink transmission.

Optionally, the method corresponding to the network device in the embodiment of the application includes: determining the waveform and the resource allocation type of uplink transmission; and transmitting DCI, wherein the DCI comprises 1 bit of first information, and the first information indicates the waveform and the resource allocation type of the uplink transmission.

Optionally, the method corresponding to the network device in the embodiment of the application includes: determining the waveform of uplink transmission; generating first information according to the uplink transmission waveform, wherein the first information is the most significant 1-bit information in the frequency domain resource allocation information included in the DCI; the DCI is transmitted.

Optionally, the method corresponding to the network device in the embodiment of the application includes: generating a first high-level parameter according to the uplink transmission resource allocation type and the waveform type; the first higher layer parameter is transmitted, the first higher layer parameter indicating one configuration of a set of configurations of resource allocation, the set of configurations of resource allocation including a resource allocation type 0, a resource allocation type 1 and a dynamic handover resource allocation type.

In a third implementation, the communication apparatus 1000 is a functional entity (may also be referred to as a functional unit, a logic network element, etc.) in a network device, and may implement part of the physical layer function and the radio frequency function in the network device. For convenience of description, the communication device 1000a is denoted. The communication device 1000a may be a network element in a hardware device, or may be a software function running on dedicated hardware, or a virtualized function instantiated on a platform (e.g., a cloud platform).

The communication device 1000a includes one or more processors 1100, as well as a transceiver 1500 and/or an antenna 1600. Optionally, one or more memories 1200 are also included to store instructions. The processor 1100 is a transceiver processor. Optionally, the transceiver processor includes a transmit processor and a receive processor. The transceiver processor may implement signal processing associated with physical layer functions and radio frequency functions. Optionally, the physical layer is a middle-lower layer of the physical layer. For example, the bottom layer functions in the physical layer include precoding, physical resource mapping, physical antenna mapping, and/or inverse fast fourier transforms (inverse fast Fourier transformation, IFFT). For example, the bottom layer functions in the physical layer include physical resource demapping, physical antenna demapping, and/or fast fourier transforms (fast Fourier transformation, FFT), etc. It should be noted that, the embodiment of the present application does not limit the functional division of the upper layer and the lower layer in the physical layer.

Illustratively, the communications apparatus 1000a includes a processor 1100, where the processor 1100 is configured to execute a computer program or instructions to cause a method corresponding to a network device in the above-described application embodiments to be performed. As shown in fig. 7, the communication apparatus 1000a may communicate with a terminal device.

Optionally, the method corresponding to the network device in the embodiment of the application includes: and transmitting a PDCCH to the terminal equipment, wherein the PDCCH carries DCI, the DCI comprises first information, and the first information indicates the uplink transmission resource allocation type, wherein the uplink transmission resource allocation type has a corresponding relation with an uplink transmission waveform.

Optionally, the method corresponding to the network device in the embodiment of the application includes: and sending a PDCCH to the terminal equipment, wherein the PDCCH carries DCI, and the DCI comprises 1 bit of first information, and the first information indicates the waveform and the resource allocation type of uplink transmission. The first information is 1-bit information of the most significant bit in the frequency domain resource allocation information included in the DCI.

Optionally, the method corresponding to the network device in the embodiment of the application includes: and transmitting a physical downlink shared channel (physical downlink shared channel, PDSCH) to the terminal device, the PDSCH carrying higher layer signaling indicating one configuration of a configuration set of resource allocation, the configuration set of resource allocation including a resource allocation type 0, a resource allocation type 1 and a dynamic handover resource allocation type, wherein the higher layer signaling is generated according to the resource allocation type and the waveform type of uplink transmission.

In a fourth implementation, the communication apparatus 1000 is a functional entity (may also be referred to as a functional unit, a logical network element, etc.) in a network device, and may implement part of the functions (e.g. DU functions) of the network device. For convenience of description, the communication device 1000b is denoted. The communication means may be a network element in a hardware device, or may be a software function running on dedicated hardware, or a virtualized function instantiated on a platform (e.g. a cloud platform).

The communication device 1000b includes one or more processors 1100, and also includes one or more memories 1200, but does not include a transceiver 1500 and/or an antenna 1600. The communication device 1000b may include the functionality of a physical layer, medium access control (Media Access Control, MAC) and radio link control (radio link control, RLC). The processor 1100 may implement MAC, RLC and physical layer function related signal processing. Optionally, the physical layer is a higher layer in the physical layer. For example, the functions of higher layers in the physical layer may include channel coding, scrambling, modulation, and/or layer mapping. For example, the functions of higher layers in the physical layer may include channel decoding, descrambling, demodulation, and/or de-layer mapping.

As shown in fig. 7, a communication device 1000b may communicate with a communication device 1000 a. The communication apparatus 1000a is a functional entity in the network device, including a radio frequency function and a part of physical layer functions, which are described in detail above and will not be repeated here.

Illustratively, the communications device 1000b includes a processor 1100, the processor 1100 being configured to execute a computer program or instructions such that a method one, two or three is performed, as described in more detail with reference to the above embodiments.

Optionally, the first method includes: generating DCI, wherein the DCI comprises first information which indicates the resource allocation type of the uplink transmission, and the resource allocation type of the uplink transmission has a corresponding relation with the waveform of the uplink transmission; the DCI is transmitted to the communication apparatus 1000 a.

Optionally, the second method includes: generating DCI, wherein the DCI comprises 1 bit of first information, and the first information indicates the waveform and the resource allocation type of the uplink transmission; the DCI is transmitted to the communication apparatus 1000 a.

Optionally, the third method comprises: generating first information according to an uplink transmission waveform, wherein the first information is the most significant 1-bit information in the frequency domain resource allocation information included in the DCI; the DCI is transmitted to the communication apparatus 1000 a.

In a fifth implementation manner, the communication apparatus 1000 is a functional entity (may also be referred to as a functional unit, a logic network element, etc.) in a network device, and may implement a part of the functions (e.g., CU functions) of the network device. For convenience of description, the communication device 1000c is denoted.

The communication device 1000c includes one or more processors 1100, and also includes one or more memories 1200, but does not include a transceiver 1500 and/or an antenna 1600. The communication device may include the functionality of packet data convergence layer protocol (packet data convergence protocol, PDCP) and RRC. The processor 1100 may implement PDCP and RRC function related signal processing.

As shown in fig. 7, a communication device 1000c may communicate with a communication device 1000 b. The communication apparatus 1000b is a functional entity in the network device, including MAC, RLC, and part of physical layer functions, and the detailed description is referred to above, and will not be repeated here.

Illustratively, the communications device 1000c includes a processor 1100, the processor 1100 being configured to execute a computer program or instructions to cause the methods described below to be performed, see the embodiments described above for a detailed description.

Optionally, the method comprises: generating a high-layer signaling according to the uplink transmission resource allocation type and the waveform type; the high-level signaling is sent to the communication device 1000b indicating one of a set of configurations of resource allocations including resource allocation type 0, resource allocation type 1, and dynamic handover resource allocation type.

The processor and transceiver described in the present application may be implemented on an integrated circuit (integrated circuit, IC), analog IC, radio frequency integrated circuit (radio frequency identification, RFID), mixed signal IC, application specific integrated circuit (application specific integrated circuit, ASIC), printed circuit board (printed circuit board, PCB), or electronic device, among others. The communication apparatus described herein may be implemented as a stand-alone device (e.g., a stand-alone integrated circuit, a mobile phone, etc.), or may be part of a larger device (e.g., a module that may be embedded in another device), and reference may be made specifically to the foregoing description of the terminal device and the network device, which is not repeated herein.

Fig. 8 is a simplified schematic structural diagram of a network device, which may be, for example, a simplified schematic structural diagram of a base station, according to an embodiment of the present application. The network device 5000 may be applied to the system shown in fig. 1, and the operations or functions of the network device in the above method embodiment may be specifically referred to the description in the above method embodiment, which is not repeated herein.

The network device 5000 includes: a processor 5101, a memory 5102, a radio frequency unit 5201 and an antenna 5202. The processor 2101 is configured to support the network device to perform the functions of the network device in the above-described method embodiment. The processor 5101 may be one or more processors. The one or more processors may support radio access technologies of the same system, or may support radio access technologies of different systems (e.g., LTE and NR). In one implementation, the processor 5101 is an integrated circuit, such as one or more ASICs, or one or more DSPs, or one or more FPGAs, or a combination of these types of integrated circuits. These integrated circuits may be integrated together to form a chip. The memory 5102 is also referred to as a storage unit for storing instructions and/or data. The memory 5102 may be one memory or may be a plurality of memories or a collective term of memory elements. The memory 5102 and the processor 5101 may be located in the same chip or on different chips. The radio frequency unit 5201 may be one or more radio frequency units. The antenna 5202 is mainly used for transmitting and receiving radio frequency signals in the form of electromagnetic waves, for example, for the network device 5000 to transmit signals to or receive signals from a terminal device.

Optionally, the baseband unit 5100 (BBU) includes a processor 5101 and a memory 5102, and is mainly used for baseband processing of signals, managing radio resources, providing transmission management and interface, providing clock signal, and other functions. Optionally, the BBU 5100 may be configured by one or more single boards, where the multiple single boards may support a single access system radio access network (such as an LTE network) together, or may support radio access networks of different access systems (such as an LTE network, a 5G network, or other networks) respectively. The memory 5101 and processor 5102 may serve one or more boards. That is, the memory and the processor may be separately provided on each board. It is also possible that multiple boards share the same memory and processor. In addition, each single board can be provided with necessary circuits.

Optionally, the transceiver unit 5200 includes a radio frequency unit 5201 and an antenna 5202, and is mainly used for receiving and transmitting radio frequency signals and converting radio frequency signals to baseband signals.

Optionally, the radio frequency unit 5201 is a remote radio frequency unit (remote radio unit, RRU), where the RRU and BBU may be physically located together or physically separated, i.e. a distributed base station.

Alternatively, the transceiver unit 5200 may be an active antenna unit (Active Antenna Unit, AAU), i.e. a hardware product integrating radio frequency functions with the antenna. The radio frequency unit 5201 in the AAU refers to a radio frequency module dedicated to the AAU, and has the same function as the RRU. Optionally, the AAU may also include a portion of baseband processing functionality.

Alternatively, the BBU5100 may be used to perform actions described in the foregoing method embodiments as being implemented internally by the network device, and the transceiving unit 5200 may be used to perform actions described in the foregoing method embodiments as being transmitted to or received from the terminal device by the network device. For specific description, please refer to the above method embodiments, and details are not repeated here.

Illustratively, the network device 5000 includes a processor 5101, the processor 5101 being for executing a computer program or instructions such that the method corresponding to the network device in the above-described application embodiments is executed.

Fig. 9 is a simplified schematic structural diagram of a terminal device according to an embodiment of the present application. The terminal device 6000 may be applied to the system shown in fig. 1, and the operations or functions of the terminal device in the above method embodiment may be executed, and specifically, reference may be made to the description in the above method embodiment, which is not repeated herein.

The terminal device 6000 comprises a processor 6100, a memory 6200, radio frequency circuitry 6300 and an antenna 6400. The processor 6100 is mainly used for processing communication protocols and communication data, controlling terminals, executing instructions, processing data, and the like. The processor 6100 may also be referred to as a processing unit, processing board, processing module, processing device, etc. The memory 6200 is used primarily for storing instructions (sometimes also referred to as computer programs or code) and data. The memory may also be referred to as a storage medium or storage device, etc. The radio frequency circuit 6300 is mainly used for converting a baseband signal and a radio frequency signal and processing the radio frequency signal. The antenna 6400 is mainly used for transceiving radio frequency signals in the form of electromagnetic waves, for example, for transmitting signals to or receiving signals from the terminal device 6000 to the network device. Optionally, the terminal device 6000 further comprises input/output means 6500, such as a touch screen, a display screen, a microphone and a keyboard etc. for mainly receiving user input data and outputting data to a user. It should be noted that fig. 9 shows only one memory and processor. In an actual end product, the terminal device 6000 may comprise a plurality of processors and/or a plurality of memories.

The terminal device 6000 is illustratively a mobile phone. When the terminal device 6000 is powered on, the processor 6100 may read the software program in the memory 6200, interpret and execute instructions of the software program, and process data of the software program. When data needs to be transmitted wirelessly, the processor 6100 performs baseband processing on the data to be transmitted, and outputs a baseband signal to the radio frequency circuit 6300, where the radio frequency circuit 6300 performs radio frequency processing on the baseband signal and then transmits the radio frequency signal to the outside in the form of electromagnetic waves through the antenna 6400. When data is transmitted to the terminal device 6000, the radio frequency circuit 6300 receives a radio frequency signal through the antenna 6400, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 6100, and the processor 6100 converts the baseband signal into data and processes the data.

In one implementation, the processor 6100 includes a baseband processor, which is mainly used for processing the communication protocol and the communication data, and a central processor, which is mainly used for controlling the entire terminal device 6000, executing a software program, and processing the data of the software program. The terminal device 6000 may comprise a plurality of baseband processors to accommodate different network formats and the terminal device 6000 may comprise a plurality of central processors to enhance its processing capabilities, the various components of the terminal device 6000 may be connected by various buses. The baseband processor may also be expressed as a baseband processing circuit or a baseband processing chip. The central processing unit may also be expressed as a central processing circuit or a central processing chip. The function of processing the communication protocol and the communication data may be built in the processor, or may be stored in the storage unit in the form of a software program, which is executed by the processor to realize the baseband processing function.

In one implementation, the processor 6100 and the memory 6200 may be regarded as processing means 6600 of the terminal device 6000. The processing means 6600 may be a chip. For example, the processing device 6600 may be a general purpose processor, DSP, ASIC, off-the-shelf programmable gate array (field programmable gate array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, system on chip (SoC), CPU, network processor (network processor, NP), microcontroller (micro controller unit, MCU), programmable controller (programmable logic device, PLD) or other integrated chip.

In one implementation, the radio frequency circuit 6300 and the antenna 6400 may be regarded as a transceiver unit 6700 of the terminal device 6000. The transceiver unit 6700 may also be referred to as a transceiver, transceiver device, etc. Alternatively, a device of the transceiver unit for implementing the receiving function may be regarded as a receiving unit, and a device of the transceiver unit for implementing the transmitting function may be regarded as a transmitting unit. For example, the receiving unit may also be referred to as a receiver, a receiving circuit, etc., and the transmitting unit may be referred to as a transmitter, a transmitting circuit, etc.

The processing means 6600 may be used to perform the actions described in the previous method embodiments as being implemented internally by the terminal device, whereas the transceiving unit 6700 may be used to perform the actions described in the previous method embodiments as being transmitted to or received from the network device by the terminal device. For specific description, please refer to the above method embodiments, and details are not repeated here.

The terminal device 6000 comprises, for example, a processor 6100, which processor 6100 is adapted to execute computer programs or instructions such that the methods in the above described application embodiments corresponding to the terminal device are performed.

It will be understood that, in the embodiments of the present application, the terminal device and/or the network device may perform some or all of the steps in the embodiments of the present application, these steps or operations are merely examples, and the embodiments of the present application may also perform other operations or variations of the various operations. Furthermore, the various steps may be performed in a different order presented in accordance with embodiments of the application, and it is possible that not all of the operations in the embodiments of the application may be performed.

Fig. 10 is a schematic structural diagram of a communication device according to an embodiment of the present application. The communication device 7000 includes a processing unit 7100 and a transmitting-receiving unit 7200. The processing unit 7100 may be referred to as a processing module, and the transceiver unit 7200 may be referred to as a transceiver module. The processing unit 7100 may be implemented by a processor or processor-related circuit components. The transceiver unit 7200 may be a functional module capable of implementing both a transmitting operation and a receiving operation. For example, the transceiving unit may be considered to be a transmitting unit when a transmitting operation is performed, and may be considered to be a receiving unit when a receiving operation is performed. Alternatively, the transceiver unit 7200 may be 2 functional modules including a transmitting unit and a receiving unit. Alternatively, the communication device is a chip system, the transceiver unit may be an input/output interface of a chip (e.g. a baseband chip), and the processing unit may be a processor of the chip system.

In a first possible implementation manner, the communication device 7000 is a terminal device, a chip applied in the terminal device or another combination device, component or the like having the functions of the terminal device.

Illustratively, the transceiver unit 7200 is configured to receive DCI including first information indicating a resource allocation type; the processing unit 7100 is configured to determine a waveform of the uplink transmission according to the resource allocation type.

Illustratively, the transceiver unit 7200 is configured to receive DCI including 1-bit first information indicating a resource allocation type and waveform; the processing unit 7100 is configured to determine that a frequency domain resource allocation type of the uplink transmission is the resource allocation type indicated by the first information, and determine that a waveform of the uplink transmission is a waveform indicated by the first information.

Illustratively, the transceiver 7200 is configured to receive DCI, where the DCI includes first information, and the first information is the most significant 1-bit information in the frequency domain resource allocation information included in the DCI; the processing unit 7100 is configured to determine an uplink waveform according to the first information.

Illustratively, the transceiver unit 7200 is configured to receive a first higher-layer parameter indicating one of a set of resource configurations including a resource allocation type 0, a resource allocation type 1, and a dynamic handover resource allocation type; the processing unit 7100 is configured to determine, according to the first higher layer parameter, a resource allocation type of uplink transmission and a waveform of uplink transmission.

In a second possible implementation manner, the communication apparatus 7000 is a network device, a chip applied in the network device or other combined device, component or the like having the functions of the network device.

Illustratively, the processing unit 7100 is configured to determine an uplink waveform and an uplink resource allocation type, where the uplink waveform has a correspondence with the uplink resource allocation type; the transceiver 7200 is configured to transmit DCI, where the DCI includes first information indicating a resource allocation type of the uplink transmission.

Illustratively, the processing unit 7100 is configured to determine a waveform and a resource allocation type of the uplink transmission; the transceiver 7200 is configured to transmit DCI including 1-bit first information indicating a waveform and a resource allocation type of the uplink transmission.

Illustratively, the processing unit 7100 is configured to determine a waveform of the uplink transmission; generating first information according to the uplink transmission waveform, wherein the first information is the most significant 1-bit information in the frequency domain resource allocation information included in the DCI; the transceiver 7200 is configured to transmit the DCI.

Illustratively, the processing unit 7100 is configured to generate a first higher-layer parameter according to a resource allocation type and a waveform type of uplink transmission; the transceiver unit 7200 is configured to transmit the first higher-layer parameter, where the first higher-layer parameter indicates one configuration of a configuration set of resource allocation, and the configuration set of resource allocation includes a resource allocation type 0, a resource allocation type 1, and a dynamic handover resource allocation type.

The present application also provides a computer readable storage medium storing a computer program or instructions which, when executed, implement the method performed by the network device or the terminal device in the foregoing method embodiments. Thus, the functions described in the above embodiments may be implemented in the form of software functional units and sold or used as independent products. Based on such understanding, the technical solution of the present application may be embodied in essence or contributing part or part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. The storage medium includes: a usb disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk, or other various media capable of storing program codes.

The present application also provides a computer program product comprising: computer program code which, when run on a computer, causes the computer to perform the method performed by the terminal device or the network device in any of the method embodiments described above.

The application also provides a system which comprises the terminal equipment and the network equipment.

The embodiment of the application also provides a processing device, which comprises a processor and an interface; the processor is configured to perform a method performed by the terminal device or the network device according to any of the above method embodiments.

It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.

In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the division of the unit is merely a logic function division, and there may be another division manner when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted or not performed. The coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), or the like.

It should be appreciated that reference throughout this specification to "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, various embodiments are not necessarily referring to the same embodiments throughout the specification. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

It should be further understood that reference to "first," "second," etc. ordinal words of embodiments of the present application are used for distinguishing a plurality of objects, and are not used for limiting a size, a content, an order, a timing, a priority, a importance, etc. of the plurality of objects. For example, the first higher layer parameter and the second higher layer parameter may be carried in the same higher layer signaling or may be carried in different higher layer signaling, and the names are not different in information amount, content, priority, importance, or the like indicating the two higher layer parameters.

It should also be understood that, in the present application, "when …", "if" and "if" all refer to the corresponding processing that the network element will make under some objective condition, and are not limited in time, nor do they require that the network element must have a judging action when implemented, nor are other limitations meant to be present.

It should also be understood that in the present application, "at least one" means one or more, and "a plurality" means two or more. "at least one item" or the like means one item or more, i.e., any combination of these items, including any combination of single item or plural items. For example, at least one (one) of a, b, or c, represents: a, b, c, a and b, a and c, b and c, or a and b and c.

It is also to be understood that items appearing in the present application that are similar to "include one or more of the following: the meaning of the expressions a, B, and C "generally means that the item may be any one of the following unless otherwise specified: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; a, B and C; a and A; a, A and A; a, A and B; a, a and C, a, B and B; a, C and C; b and B, B and C, C and C; c, C and C, and other combinations of a, B and C. The above is an optional entry for the item exemplified by 3 elements a, B and C, when expressed as "the item includes at least one of the following: a, B, … …, and X ", i.e. when there are more elements in the expression, then the entry to which the item is applicable can also be obtained according to the rules described above.

It should also be understood that the term "and/or" is merely one association relationship describing the associated object, and means that three relationships may exist, for example, a and/or B may mean: a alone, a and B together, and B alone, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. For example, A/B, means: a or B.

It should also be understood that in embodiments of the present application, "B corresponding to A" means that B is associated with A from which B may be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may also determine B from a and/or other information.

It should also be understood that the indication in embodiments of the present application may be a display indication or an implicit indication. For example, a indicates B, through which C can be associated, then a displays the indication B, and a implicitly indicates C.

The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A method of communication, comprising:

receiving Downlink Control Information (DCI), wherein the DCI comprises first information which indicates a resource allocation type;

and determining the waveform of uplink transmission according to the resource allocation type.

2. The method of claim 1, wherein the determining the uplink waveform according to the resource allocation type comprises:

the resource allocation type is resource allocation type 0, and the waveform of the uplink transmission is determined to be a waveform without adopting conversion precoding; or alternatively, the process may be performed,

the resource allocation type is resource allocation type 1, and the waveform of the uplink transmission is determined to be the waveform adopting conversion precoding.

3. The method according to claim 1 or 2, wherein the first information is 1 bit of information,

the 1 bit has a value of 0, and the first information indicates a resource allocation type 0; or alternatively, the process may be performed,

the 1 bit has a value of 1, and the first information indicates a resource allocation type 1.

4. A method according to claim 2 or 3, characterized in that the resource allocation type 0 is a resource allocation type indicating a resource block group using a bit map, and the resource allocation type 1 is a resource allocation type indicating a start point and a length of a resource block using a resource indication value.

5. The method of any of claims 2 to 4, wherein the waveform not precoded with a transform is cyclic prefix-based orthogonal frequency division multiplexing, CP-OFDM, and the waveform precoded with a transform is discrete fourier transform spread orthogonal frequency division multiplexing, DFT-S-OFDM.

6. The method of any one of claims 1 to 5, further comprising, prior to receiving the DCI:

receiving a first high-level parameter and/or a second high-level parameter, wherein the first high-level parameter indicates a dynamic switching resource allocation type, and the second high-level parameter indicates a dynamic switching waveform; or alternatively, the first and second heat exchangers may be,

and receiving a third high-level parameter, wherein the third high-level parameter indicates the dynamic switching resource allocation type and the dynamic switching waveform.

7. A method of communication, comprising:

determining uplink transmission waveforms and uplink transmission resource allocation types, wherein the uplink transmission waveforms and the uplink transmission resource allocation types have corresponding relations;

and transmitting Downlink Control Information (DCI), wherein the DCI comprises first information which indicates the resource allocation type.

8. The method of claim 7, wherein the correspondence comprises:

The resource allocation type 0 corresponds to a waveform which does not adopt conversion precoding; and/or the number of the groups of groups,

the resource allocation type 1 corresponds to a waveform employing transform precoding.

9. The method according to claim 7 or 8, wherein said determining the waveform of the uplink transmission and the resource allocation type of the uplink transmission comprises:

determining that the waveform of the uplink transmission is a waveform without adopting conversion precoding, and determining that the resource allocation type of the uplink transmission is a resource allocation type 0; or alternatively, the process may be performed,

and determining the waveform of the uplink transmission as a waveform adopting conversion precoding, and determining the resource allocation type of the uplink transmission as a resource allocation type 1.

10. The method according to any one of claims 7 to 9, wherein the first information is 1 bit of information,

11. The method according to any one of claims 8 to 10, wherein the resource allocation type 0 is a resource allocation type indicating a resource block group using a bit map, and the resource allocation type 1 is a resource allocation type indicating a start point and a length of a resource block using a resource indication value.

12. The method according to any one of claims 7 to 11, further comprising, prior to receiving the DCI:

transmitting a first high-level parameter and/or a second high-level parameter, wherein the first high-level parameter indicates a dynamic switching resource allocation type, and the second high-level parameter indicates a dynamic switching waveform; or alternatively, the first and second heat exchangers may be,

and transmitting a third high-level parameter, wherein the third high-level parameter indicates the dynamic switching resource allocation type and the dynamic switching waveform.

13. A method of communication, comprising:

receiving a first high-level parameter, wherein the first high-level parameter indicates one configuration in a resource configuration set, and the resource configuration set comprises a resource allocation type 0, a resource allocation type 1 and a dynamic switching resource allocation type;

and determining the resource allocation type of uplink transmission and the waveform of the uplink transmission according to the first high-layer parameter.

14. The method of claim 13, wherein the set of resource configurations further comprises dynamically switching resource allocation types and waveforms.

15. The method according to claim 13 or 14, wherein the first higher layer parameter indicates the resource allocation type 0, and wherein determining the uplink resource allocation type and the uplink waveform according to the first higher layer parameter comprises:

Determining the resource allocation type of the uplink transmission as a resource allocation type 0;

and determining the waveform type of the uplink transmission as a waveform without adopting conversion precoding.

16. The method of claim 13, wherein the first higher layer parameter indicates the resource allocation type 1, and wherein determining the resource allocation type and waveform for uplink transmission based on the first higher layer parameter comprises:

determining the resource allocation type of the uplink transmission as a resource allocation type 1;

and determining that the uplink transmission supports dynamic switching waveforms, and determining the waveforms of the uplink transmission according to first information included in downlink control information DCI.

17. The method of claim 16, wherein the first information is 1 bit of information,

the 1-bit value is 0, and the first information indicates that the waveform of conversion precoding is not adopted; or alternatively, the process may be performed,

the 1-bit value is 1, and the first information indicates a waveform employing conversion precoding.

18. The method of claim 13, wherein the first higher layer parameter indicates the dynamic handover resource allocation type, and wherein the determining the uplink resource allocation type and waveform according to the first higher layer parameter comprises:

Determining the uplink transmission supporting dynamic switching resource allocation type;

determining that the uplink transmission supports dynamic switching waveforms;

and determining the resource allocation type of the uplink transmission and the waveform of the uplink transmission according to the first information included in the DCI.

19. The method of claim 14, wherein the first higher layer parameter indicates the dynamic handover resource allocation type and waveform type, and wherein the determining the uplink resource allocation type and waveform based on the first higher layer parameter comprises:

determining that the uplink transmission supports dynamic switching waveforms;

20. The method according to claim 18 or 19, wherein the first information is 1 bit of information,

the value of the 1 bit is 0, the first information indicates a resource allocation type 0, and the resource allocation type 0 corresponds to a waveform which does not adopt conversion precoding; or alternatively, the process may be performed,

the 1 bit has a value of 1, the first information indicates a resource allocation type 1, and the resource allocation type 1 corresponds to a waveform adopting conversion precoding.

21. The method according to any one of claims 18 to 20, wherein the first information is 1-bit information, and wherein the determining the type of resource allocation for the uplink transmission and the waveform for the uplink transmission according to the first information included in the DCI includes:

the 1 bit value is 0, the resource allocation type of the uplink transmission is determined to be the resource allocation type 0, and the waveform of the uplink transmission is determined to be the waveform without adopting conversion precoding; or alternatively, the process may be performed,

the 1 bit has a value of 1, the resource allocation type of the uplink transmission is determined to be the resource allocation type 1, and the waveform of the uplink transmission is determined to be the waveform adopting conversion precoding.

22. A method of communication, comprising:

generating a first high-level parameter according to the uplink transmission resource allocation type and the waveform type;

and transmitting a first high-level parameter, wherein the first high-level parameter indicates one configuration in a configuration set of resource allocation, and the configuration set of the resource allocation comprises a resource allocation type 0, a resource allocation type 1 and a dynamic switching resource allocation type.

23. The method of claim 22, wherein the configuration set of resource allocations further comprises dynamically switching resource allocation types and waveform types.

24. The method according to claim 22 or 23, wherein the type of resource allocation for the uplink transmission is resource allocation type 0, the type of waveform for the uplink transmission is a waveform that does not employ conversion precoding,

the first higher layer parameter indicates the resource allocation type 0.

25. The method of claim 22, wherein the type of resource allocation for the uplink transmission is resource allocation type 1, wherein the type of waveform for the uplink transmission is a dynamic handover waveform,

the first higher layer parameter indicates the resource allocation type 1.

26. The method of claim 22, wherein the uplink transmission resource allocation type is a dynamic handover resource allocation type, wherein the uplink transmission waveform type is a dynamic handover waveform,

the first higher layer parameter indicates the dynamic handover resource allocation type.

27. The method of claim 23, wherein the uplink transmission resource allocation type is a dynamic handover resource allocation type, wherein the uplink transmission waveform type is a dynamic handover waveform,

the first higher layer parameter indicates the dynamic switching resource allocation type and waveform.

28. The method according to any one of claims 25 to 26, further comprising:

transmitting Downlink Control Information (DCI), wherein the DCI comprises first information;

wherein the first information is 1-bit information,

the 1 bit has a value of 0, and the first information indicates a resource allocation type 0 and a waveform without conversion precoding; or alternatively, the process may be performed,

the 1 bit has a value of 1, and the first information indicates a resource allocation type 1 and a waveform employing conversion precoding.

29. A communication device comprising a processor and a memory for storing a computer program or instructions, the processor for executing the computer program or instructions in memory, causing the method of any one of claims 1 to 6 to be performed, causing the method of any one of claims 7 to 12 to be performed, causing the method of any one of claims 13 to 21 to be performed, or causing the method of any one of claims 22 to 28 to be performed.

30. A computer readable storage medium, characterized in that a computer program or instructions for implementing the method of any one of claims 1 to 6, implementing the method of any one of claims 7 to 12, implementing the method of any one of claims 13 to 21, or implementing the method of any one of claims 22 to 28 is stored.

31. A computer program product, the computer program product comprising: computer program code which, when run by a computer, causes the computer to perform the method of any one of claims 1 to 6, the method of any one of claims 7 to 12, the method of any one of claims 13 to 21, or the method of any one of claims 22 to 28.