CN112470516B

CN112470516B - Resource allocation method and terminal equipment

Info

Publication number: CN112470516B
Application number: CN201980044748.2A
Authority: CN
Inventors: 赵振山; 卢前溪; 林晖闵
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-08-03
Filing date: 2019-08-02
Publication date: 2023-04-07
Anticipated expiration: 2039-08-02
Also published as: CN112470516A; WO2020025042A1; TW202008828A

Abstract

The application discloses a resource allocation method and terminal equipment, which can improve data transmission performance between terminal equipment in a D2D system. The method comprises the following steps: the method comprises the steps that a first terminal device sends a first sideline transmission channel, the first sideline transmission channel is used for indicating resource pool configuration information of a target resource pool, and the target resource pool is used for communicating with a second terminal device. The target resource pool may be an additional resource pool other than the preconfigured resource pool, and since the additional resource pool is configured, and the first terminal device may notify other terminal devices of the resource configuration information of the additional resource pool, more terminal devices may obtain the information of the resource pool and use the resource pool for communication, thereby improving data transmission performance between the terminal devices to a certain extent.

Description

Resource allocation method and terminal equipment

Technical Field

The embodiment of the application relates to the field of communication, in particular to a resource configuration method and terminal equipment.

Background

The Vehicle networking or Vehicle to equipment (V2X) communication is a Sidelink (SL) transmission technology based on Device to Device (D2D) communication, and is different from a method of receiving or transmitting data through a base station in a conventional Long Term Evolution (LTE) system, and the Vehicle networking system adopts a terminal to terminal direct communication method, so that the Vehicle networking or Vehicle to equipment (V2X) communication has higher spectral efficiency and lower transmission delay.

In New Radio (NR), which is 5G, autonomous driving needs to be supported, so that higher requirements are made on data transmission performance between vehicles, such as higher throughput, lower time delay, higher reliability, larger coverage, and more flexible resource allocation. Therefore, how to improve the data transmission performance between terminal devices in NR-V2X becomes an urgent problem to be solved.

Disclosure of Invention

The embodiment of the application provides a resource allocation method and terminal equipment, which can improve the data transmission performance between the terminal equipment in a D2D system.

In a first aspect, a method for resource configuration is provided, including: the method comprises the steps that a first terminal device sends a first side line transmission channel, the first side line transmission channel is used for indicating resource pool configuration information of a target resource pool, and the target resource pool is used for communicating with a second terminal device.

In a second aspect, a method for resource configuration is provided, including: the second terminal equipment receives a first sideline transmission channel, wherein the first sideline transmission channel is used for indicating resource pool configuration information of a target resource pool, and the target resource pool is used for communicating with the first terminal equipment.

In a third aspect, a terminal device is provided, which may perform the method of the first aspect or any implementation manner of the first aspect. In particular, the terminal device may comprise functional modules for performing the method of the first aspect or any possible implementation manner of the first aspect.

In a fourth aspect, a terminal device is provided, which may perform the method of the second aspect or any implementation manner of the second aspect. In particular, the terminal device may comprise functional modules for performing the method in the second aspect or any possible implementation manner of the second aspect.

In a fifth aspect, a terminal device is provided that includes a processor and a memory. The memory is configured to store a computer program, and the processor is configured to call and execute the computer program stored in the memory to perform the method of the first aspect or any possible implementation manner of the first aspect.

In a sixth aspect, a terminal device is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory to execute the method of the second aspect or any possible implementation manner of the second aspect.

In a seventh aspect, a chip is provided for implementing the first aspect or the method in any possible implementation manner of the first aspect. In particular, the chip comprises a processor for calling and running a computer program from a memory, so that a device in which the chip is installed performs the method as in the first aspect or any possible implementation manner of the first aspect.

In an eighth aspect, a chip is provided for implementing the method of the second aspect or any possible implementation manner of the second aspect. In particular, the chip comprises a processor for calling and running a computer program from a memory, such that a device in which the chip is installed performs the method as described above in the second aspect or any possible implementation of the second aspect.

In a ninth aspect, there is provided a computer readable storage medium for storing a computer program, the computer program causing a computer to perform the method of the first aspect or any possible implementation manner of the first aspect.

A tenth aspect provides a computer-readable storage medium for storing a computer program for causing a computer to perform the method of the second aspect or any possible implementation manner of the second aspect.

In an eleventh aspect, there is provided a computer program product comprising computer program instructions to cause a computer to perform the method of the first aspect or any possible implementation manner of the first aspect.

In a twelfth aspect, there is provided a computer program product comprising computer program instructions to cause a computer to perform the method of the second aspect or any possible implementation manner of the second aspect.

In a thirteenth aspect, a computer program is provided which, when run on a computer, causes the computer to perform the method of the first aspect or any possible implementation of the first aspect.

In a fourteenth aspect, there is provided a computer program which, when run on a computer, causes the computer to perform the method of the second aspect or any possible implementation of the second aspect.

In a fifteenth aspect, a communication system is provided that includes a first terminal device and a second terminal device.

Wherein the first terminal device is configured to: and sending a first sideline transmission channel, wherein the first sideline transmission channel is used for indicating resource pool configuration information of a target resource pool, and the target resource pool is used for communicating with a second terminal device.

Wherein the second terminal device is configured to: receiving a first sidelink transmission channel, where the first sidelink transmission channel is used to indicate resource pool configuration information of a target resource pool, and the target resource pool is used to communicate with a first terminal device.

Further, the first terminal device is configured to perform the method in the first aspect or any possible implementation manner of the first aspect, and the second terminal device is configured to perform the method in the second aspect or any possible implementation manner of the second aspect.

Therefore, the first terminal device sends the first sidelink transmission channel to indicate the resource pool configuration information of the resource pool, so that the second terminal device can receive the first sidelink transmission channel indicating the resource pool configuration information, and obtain the resource pool configuration information of the resource pool, thereby being capable of using the resource pool to communicate with the first terminal device. The resource pool may be an additional resource pool other than the preconfigured resource pool, and since the additional resource pool is configured, and the first terminal device may notify the resource configuration information of the additional resource pool to other terminal devices, more terminal devices may obtain the information of the resource pool and use the resource pool for communication, thereby improving data transmission performance between the terminal devices to a certain extent.

Drawings

Fig. 1 is a schematic architecture diagram of an application scenario according to an embodiment of the present application.

Fig. 2 is a schematic architecture diagram of another application scenario of an embodiment of the present application.

Fig. 3 is a flowchart of a method for resource allocation according to an embodiment of the present application.

Fig. 4 (a) and 4 (b) are schematic diagrams of a first transmission resource according to an embodiment of the present application.

Fig. 5 is a schematic diagram of a first transmission resource according to an embodiment of the present application.

Fig. 6 is a schematic diagram of frequency division multiplexing and adjacency of control channel resources and data channel resources according to an embodiment of the present application.

Fig. 7 is a schematic diagram of an embodiment of the present application in which control channel resources and data channel resources are frequency division multiplexed and are not adjacent.

Fig. 8 is a schematic diagram of time division multiplexing of control channel resources and data channel resources according to an embodiment of the present application.

Fig. 9 is a schematic block diagram of a first terminal device according to an embodiment of the present application.

Fig. 10 is a schematic block diagram of a second terminal device according to an embodiment of the present application.

Fig. 11 is a schematic structural diagram of a terminal device according to an embodiment of the present application.

Fig. 12 is a schematic structural diagram of a chip of an embodiment of the present application.

Fig. 13 is a schematic block diagram of a communication system of an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings.

It should be understood that the technical solutions of the embodiments of the present application may be applied to various communication systems, for example: a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, a Long Term Evolution (Long Term Evolution) System, an LTE (Frequency Division Duplex) System, an LTE Time Division Duplex (FDD) System, a Time Division Duplex (TDD), a Universal Mobile Telecommunications System (UMTS), and a future 5G Communication System.

Various embodiments are described herein in connection with a terminal device. A terminal device may also refer to a User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a User terminal, a wireless communication device, a User agent, or a User Equipment. An access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with Wireless communication capability, a computing device or other processing device connected to a Wireless modem, a vehicle mounted device, a wearable device, a terminal device in a future 5G Network or a terminal device in a future evolved Public Land Mobile Network (PLMN) Network, etc.

Various embodiments are described herein in connection with a network device. The network device may be a device for communicating with the terminal device, for example, the network device may be a Base Transceiver Station (BTS) in a GSM system or a CDMA system, a Base Station (NodeB, NB) in a WCDMA system, an evolved Node B (eNB, or eNodeB) in an LTE system, or the network device may be a relay Station, an access point, a vehicle-mounted device, a wearable device, a network-side device in a future 5G network, or a network-side device in a future evolved PLMN network.

Fig. 1 and fig. 2 are schematic diagrams of possible application scenarios of the embodiment of the present application. Fig. 1 exemplarily shows one network device and two terminal devices, and in one embodiment, the wireless communication system may include a plurality of network devices and each network device may include other number of terminal devices within a coverage area thereof, which is not limited by the embodiment of the present invention.

In addition, the wireless communication system may further include other Network entities such as a Mobile Management Entity (MME), a Serving Gateway (S-GW), a Packet Data Network Gateway (P-GW), and the like, but the embodiment of the present invention is not limited thereto.

The terminal device 20 and the terminal device 30 can communicate in a D2D communication mode, and when D2D communication is performed, the terminal device 20 and the terminal device 30 directly communicate via a D2D link, i.e., a Sidelink (SL). For example, as shown in fig. 1 or fig. 2, terminal device 20 and terminal device 30 communicate directly via a sidelink. In fig. 1, terminal device 20 and terminal device 30 communicate via a sidelink, and their transmission resources are allocated by a network device; in fig. 2, terminal device 20 and terminal device 30 communicate via a sidelink, and their transmission resources are selected by the terminal device autonomously, without requiring the network device to allocate transmission resources.

D2D communication may refer to Vehicle-to-Vehicle (V2V) communication or Vehicle-to-other device (V2X) communication. In V2X communication, X may generally refer to any device with wireless receiving and transmitting capabilities, such as, but not limited to, a slow moving wireless device, a fast moving vehicle-mounted device, or a network control node with wireless transmitting and receiving capabilities. It should be understood that the embodiment of the present invention is mainly applied to a V2X communication scenario, but may also be applied to any other D2D communication scenario, and the embodiment of the present invention is not limited thereto.

Two transmission modes, namely a transmission mode 3 (mode 3) and a transmission mode 4 (mode 4), are defined in the internet of vehicles. The transmission resource of the terminal equipment in the mode 3 (simply referred to as the mode 3) is allocated by the base station, and the terminal equipment transmits data on a sidelink according to the resource allocated by the base station; the base station may allocate resources for single transmission to the terminal device, or may allocate resources for semi-static transmission to the terminal device. If the terminal device in the transmission mode 4 (referred to as mode 4 for short) has the interception capability, the data is transmitted in the modes of interception (sending) and reservation (reservation), and if the terminal device does not have the interception capability, the transmission resource is randomly selected from the resource pool. The terminal equipment with the interception capability acquires an available resource set in a resource pool in an interception mode, and the terminal equipment randomly selects one resource from the set for data transmission. Because the service in the car networking system has a periodic characteristic, the terminal device usually adopts a semi-static transmission mode, that is, after the terminal device selects one transmission resource, the resource is continuously used in a plurality of transmission cycles, so that the probability of resource reselection and resource conflict is reduced. The terminal device carries the information of the reserved secondary transmission resource in the control information transmitted this time, so that other terminal devices can judge whether the resource is reserved and used by the terminal device by detecting the control information of the terminal device, and the purpose of reducing resource conflict is achieved.

The resource pools used by the terminal equipment in the data transmission process are all configured in advance or configured by a network. When the terminal device is out of the network coverage, the terminal device can only use the pre-configured resource pool to perform data transmission with other terminal devices. When the terminal device is in the network coverage range, the pre-configured resource pool can be used for data transmission with the terminal device outside the network coverage, and the resource pool configured by the network can also be used for data transmission with other terminal devices in the network coverage. However, in NR, higher requirements are placed on data transmission performance between terminal devices, for example, higher throughput, lower latency, higher reliability, larger coverage, more flexible resource allocation, and the like are desired. Therefore, in addition to these pre-configured resource pools, the network device may configure an additional resource pool for the terminal device for data transmission between the user in the network coverage and the terminal device outside the network coverage.

The embodiment of the present application provides that a first terminal device indicates resource pool configuration information of a resource pool by sending a first sideline transmission channel, so that a second terminal device can receive the first sideline transmission channel indicating the resource pool configuration information, and obtain the resource pool configuration information of the resource pool, thereby enabling to use the resource pool to communicate with the first terminal device. The resource pool may be an additional resource pool other than the preconfigured resource pool, and since the additional resource pool is configured, and the first terminal device may notify other terminal devices of the resource configuration information of the additional resource pool, more terminal devices may obtain the information of the resource pool and use the resource pool for communication, thereby improving data transmission performance between the terminal devices to a certain extent.

FIG. 3 is a flowchart interaction diagram of a method of resource configuration according to an embodiment of the present application. The method shown in fig. 3 may be performed by a first terminal device, which may be, for example, terminal device 20 or terminal device 30 shown in fig. 2, and a second terminal device, which may be, for example, terminal device 30 or terminal device 20 shown in fig. 2.

As shown in fig. 3, the resource allocation method includes:

in 310, the first terminal device transmits a first sidelink transmission channel.

In 320, the second terminal device receives the first sideline transmission channel.

The first sidelink transport channel is configured to indicate resource pool configuration information of a target resource pool, where the target resource pool is used for communication between the first terminal device and the second terminal device.

The target resource pool may be, for example, an additional resource pool configured for the terminal device by the network device for communication. Or, the target resource pool is a resource pool other than a pre-configured resource pool for the terminal device to perform D2D communication.

In one embodiment, the first terminal device may be a terminal device within a cell, and the second terminal device may be a terminal device outside the cell. Here, the second terminal device may be located outside the cell where the first terminal device is located and not belong to other cells, or the second terminal device may be located in other cells, that is, the second terminal device and the first terminal device are located in different cells.

When the first terminal device is a terminal device in a cell, the first terminal device may receive resource pool configuration information of the target resource pool from a network device, so as to perform data transmission in the target resource pool. However, if there is a second terminal device outside the cell, the second terminal device cannot use the target resource pool for data transmission because the second terminal device cannot receive the resource pool configuration information sent by the network device. At this time, according to the method in the embodiment of the present application, the first terminal device may send the first sidelink transmission channel to the second terminal device to indicate the resource pool configuration information of the target resource pool, so that the second terminal device can know the existence of the target resource pool, and thus the target resource pool may be used during data transmission.

In one implementation, the first Sidelink transport Channel may be a Physical Sidelink Broadcast Channel (PSBCH). The PSBCH directly carries the resource pool configuration information of the target resource pool.

In another implementation, the first Sidelink transport Channel may be a Physical Sidelink Control Channel (PSCCH), and the Physical Sidelink Shared Channel (PSCCH) scheduled by the PSCCH carries the resource pool configuration information, for example, as shown in fig. 4 (a); alternatively, the first sidelink transport channel may be a PSSCH, and the PSSCH carries the resource pool configuration information, for example, as shown in fig. 4 (b).

The first sidelink transmission channel in this embodiment may be an existing transmission channel in a protocol, such as the PSCCH, or PSBCH, or may also be a newly added transmission channel for transmitting resource configuration information, and the format of the first sidelink transmission channel is not limited in this embodiment.

In one embodiment, prior to 310, the method further comprises: the first terminal device determines a first transmission resource. At this point, in 310, the first terminal device transmits a first sidelink transmission channel, including: the first terminal device transmits the first sidelink transmission channel on the first transmission resource.

Correspondingly, the method further comprises: the second terminal device determines the first transmission resource. At this point, in 520, the second terminal device receives a first sideline transmission channel, including: the second terminal device receives the first sidelink transmission channel on the first transmission resource.

That is, the first terminal device does not transmit the first transport channel on any resource, but transmits the first transport channel on the first transport resource. For example, the first transmission resource is only used for transmitting the resource pool configuration information, and is not used for transmitting other sidelink data. Also, in one embodiment, the first transmission resource may be a pre-configured or network device configured transmission resource or may be one of a pool of pre-configured or network device configured reception resources.

Further, in one embodiment, the determining, by the first terminal device, the first transmission resource includes: the first terminal equipment selects one or more resources from K candidate resources as the first transmission resource, wherein K is a positive integer.

Alternatively, in one embodiment, the determining, by the first terminal device, the first transmission resource includes: the first terminal equipment determines the first transmission resource according to the information of the first transmission resource pre-stored in the first terminal equipment.

Alternatively, in one embodiment, the method further comprises: the first terminal equipment receives first indication information sent by network equipment, wherein the first indication information is used for indicating the first transmission resource; wherein the determining, by the first terminal device, the first transmission resource includes: and the first terminal equipment determines the first transmission resource according to the first indication information.

The first transmission resource may be one or more resources selected by the terminal device among the K pre-configured candidate resources, and may be a random selection, for example; alternatively, the first transmission resource may be pre-stored in the terminal device, for example, pre-agreed in the protocol; alternatively, the first transmission resource may be configured for the terminal device by the network device.

After determining the first transmission resource, the first terminal device sends the first sidelink transmission channel on the first transmission resource, where the sidelink transmission channel indicates resource pool configuration information of the target resource pool. However, in order to enable other terminal devices to know the location of the first transmission resource so as to receive the first sidelink transmission channel on the first transmission resource, in an embodiment, the method further includes: and the first terminal equipment sends a second sidelink transmission channel, wherein the second sidelink transmission channel carries resource indication information, and the resource indication information is used for indicating the first transmission resource.

Accordingly, in one embodiment, the method further comprises: and the second terminal equipment receives a second sidelink transmission channel, wherein the second sidelink transmission channel carries resource indication information, and the resource indication information is used for indicating the first transmission resource. Wherein the second terminal device determines the first transmission resource, including: and the second terminal equipment determines the first transmission resource according to the second sidelink transmission channel.

Therefore, the terminal device indicates the first transmission resource to the other terminal device through the second sidelink transmission channel, so that the other terminal device can receive the first sidelink transmission channel on the first transmission resource and obtain the resource pool configuration information of the target resource pool.

Of course, the second terminal device may also determine the first transmission resource according to the information of the first transmission resource pre-stored in the second terminal device. I.e. the first transmission resource may be pre-stored in the terminal device, e.g. pre-agreed in the protocol.

The content included in the resource indication information carried in the second sidelink transport channel is described in detail below with reference to cases 1 to 4. The second sidelink transmission channel may be, for example, a PSBCH.

Case 1

The resource indication information includes an index of the first transmission resource.

For example, a plurality of first transmission resources may be preconfigured (for example, information such as a time-frequency position, an occupied time-domain resource size, an occupied frequency-domain resource size, and the like of each of the plurality of transmission resources is configured), and each first transmission resource has a unique index. The resource indication information sent by the first terminal device may comprise an index of the first transmission resource used for transmission of the first sidelink transmission channel. After receiving the resource indication information, the second terminal device may select, according to the index of the first transmission resource, the first transmission resource indicated by the index from the plurality of first transmission resources to receive the first sidelink transmission channel, so as to obtain the resource pool configuration information of the target resource pool. The pre-configured plurality of first transmission resources may have the same or different time domain resource size and/or frequency domain resource size.

Case 2

The resource indication information includes information of a first resource pool where the first transmission resource is located, and location information of the first transmission resource in the first resource pool.

In one embodiment, the resource indication information may further include information of a resource size of the first transmission resource. Alternatively, when the resource indication information does not include the information of the size of the first transmission resource, the size of the first transmission resource may be determined by pre-configuration or network device configuration, that is, the size of the first transmission resource is pre-configured or network device configured.

For example, the resource indication information may include information of a first resource pool where the first transmission resource is located in a plurality of pre-configured resource pools, for example, information such as a time-frequency position or an index of the first resource pool, so that the resource pool where the first transmission resource is located may be determined according to the resource indication information. The resource indication information further includes location information of the first transmission resource in the first resource pool, for example, includes information such as a time-frequency location or an index of the first transmission resource in the first resource pool. Further, the resource indication information may further include information of a size of the first transmission resource.

Case 3

The resource indication information includes information of a first resource pool where the first transmission resource is located. The first transmission resource is a resource located at a specific time-frequency position in the first resource pool.

The first terminal device may determine the time-frequency location occupied by the first transmission resource in the first resource pool according to the information of the first resource pool and the information of the specific time-frequency location configured by the pre-configured or network device.

For example, the specific time-frequency position may be that the first transmission resource is a first transmission resource from a lowest or highest frequency domain position in an mth subframe after the second sidelink transmission channel in the first resource pool, and M is a positive integer. Preferably, M =1. For example, as shown in fig. 5, the first transmission resource is located in a first subframe after the second sidelink transmission channel in the first resource pool, and occupies a subband 2 with the lowest frequency domain position in the subframe.

Case 4

The resource indication information includes time domain information and/or frequency domain information of the first transmission resource.

In one embodiment, the time domain information of the first transmission resource comprises at least one of the following information: time domain index information, time domain offset information, and time domain resource size information.

The time domain index information is, for example, indexes of a plurality of time units occupied by the first transmission resource or an index of a first time domain unit of the plurality of time domain units occupied by the first transmission resource.

The time domain offset information is, for example, an offset of the first transmission resource with respect to a fixed time domain position. The fixed time domain position may be, for example, a subframe position where the PSBCH is located.

The information of the time domain resource size is, for example, the number of time domain units occupied by the first transmission resource.

In one embodiment, the frequency domain information of the first transmission resource comprises at least one of the following information: frequency domain index information, frequency domain offset information, and frequency domain resource size information.

The frequency domain index information is, for example, indexes of a plurality of frequency domain units occupied by the first transmission resource or an index of a first frequency domain unit of the plurality of frequency domain units occupied by the first transmission resource.

The frequency domain offset information is, for example, an offset of the first transmission resource with respect to a fixed frequency domain position.

The information of the size of the frequency domain resource is, for example, the number of frequency domain units occupied by the first transmission resource.

The fixed frequency-domain positions may be, for example, the positions of PRBs having the lowest frequency-domain position occupied by the PSBCH, the positions of PRBs having the highest frequency-domain position occupied by the PSBCH, the position of the center frequency of the carrier on which the PSBCH is located, the position of a PRB having the lowest frequency-domain position on the carrier on which the PSBCH is located, the position of a PRB having the highest frequency-domain position on the carrier on which the PSBCH is located, or other specific time-domain positions.

It should be understood that the resource indication information may include information described in any one of the cases 1 to 4, or may also include all or part of various information described in the cases 1 to 4 at the same time. That is, the above cases 1 to 4 may be performed individually or in combination.

It should also be understood that, in this embodiment of the present application, a time domain unit may include a subframe, a slot, a symbol, and the like, and a frequency domain unit may include a subband, a Resource Block Group (RBG), a PRB, and the like. Wherein, one subband comprises a plurality of continuous PRBs, and one RBG comprises a plurality of continuous PRBs.

In one embodiment, the resource pool configuration information of the target resource pool in the embodiment of the present application may include at least one of the following information:

information of a carrier where the target resource pool is located;

information of time domain resources and/or information of frequency domain resources occupied by the target resource pool;

the position relation between the control channel resource and the data channel resource in the target resource pool;

the frequency domain resources of the control channel resources and the data channel resources are adjacent or not adjacent;

the time domain resources of the control channel resources and the data channel resources are adjacent or not adjacent;

the frequency domain resource size and/or the time domain resource size occupied by each control channel;

the frequency domain resource size and/or the time domain resource size occupied by each data channel;

information of a demodulation reference signal (DMRS) pattern of the target resource pool;

information of a basic parameter set of the target resource pool;

an index to the target resource pool.

The related information of the target resource pool carried by the resource pool configuration information is described in detail below.

In NR-V2X, multiple carriers may be supported. Within a cell, a network device may configure resource pool information on various carriers. Outside the cell, resource pool information on a portion of the carriers may be preconfigured. Therefore, the resource pool configuration information sent by the terminal device in the cell may include carrier information for indicating which carrier the target resource pool is located in. In one embodiment, the information about the carrier where the target resource pool is located may include a number of the carrier where the target resource pool is located. Also, in one embodiment, the resource pool configuration information sent on the first carrier may be used to indicate the resource pool on the second carrier.

In one embodiment, if a plurality of Bandwidth parts (BWPs) can be configured on one carrier, the resource pool configuration information may further include a BWP index for indicating in which BWP the target resource pool is located.

In one embodiment, the information of the time domain resource occupied by the target resource pool may include:

the size of the time domain unit in the target resource pool, e.g., the number of time domain symbols in each subframe;

the number of time domain units in the target resource pool, for example, the number of subframes included in the target resource pool;

the time domain resource size (such as the number of occupied time domain symbols) occupied by each of the control channel resources, for example, the number of time domain symbols occupied by each of the control channel resources in the target resource pool in one time domain unit;

the time domain resource size (such as the number of occupied time domain symbols) occupied by each data channel resource, for example, the number of time domain symbols occupied by each data channel resource in the target resource pool in one time domain unit;

for example, when the target resource pool includes consecutive time domain resources, the information of the time domain resource occupied by the target resource pool may include the time domain position of the first transmission resource in the target resource pool and the time domain length of the target resource pool.

In one embodiment, the information of the time domain resources occupied by the target resource pool may also include information of the time domain units occupied by the target resource pool, for example, which time domain units the target resource pool includes. At this time, in one embodiment, the information of the time domain unit occupied by the target resource pool may be represented by a bitmap, where a value on each bit in the bitmap indicates whether the time domain unit corresponding to the bit belongs to the target resource pool.

For example, the bitmap includes 10 bits, and each of the 10 bits corresponds to one subframe or slot. When the value of the bit is 1, it indicates that the subframe or time slot corresponding to the bit belongs to the target resource pool, and when the value of the bit is 0, it indicates that the subframe or time slot corresponding to the bit does not belong to the target resource pool.

In one embodiment, the bitmap may be used to indicate whether each subframe or slot within a fixed duration range belongs to the target resource pool. For example, the fixed duration is a radio frame, each radio frame includes 10 subframes, 10 bits in the bitmap respectively correspond to the 10 subframes in each radio frame one to one, and a value on each bit in the bitmap is used to indicate whether the subframe corresponding to the bit belongs to the target resource pool. 1024 radio frames are included in one radio frame period, wherein the subframes belonging to the target resource pool in each radio frame can be determined by the bitmap, i.e. the positions of the subframes belonging to the target resource pool in each radio frame are the same. For example, the bitmap is 1111110000, which indicates that the 1 st to 6 th subframes in each radio frame in a radio frame cycle all belong to the target resource pool.

For another example, the bit map includes 14 bits, and the 14 bits may respectively indicate whether 14 time domain symbols in subframe 1 belong to the target resource pool, where a value of 1 on a bit indicates that the time domain symbol corresponding to the bit belongs to the target resource pool, and a value of 0 on a bit indicates that the time domain symbol corresponding to the bit does not belong to the target resource pool. When the bitmap is 10101010101010, the target resource pool includes symbol 0, symbol 2, symbol 4, symbol 6, symbol 8, symbol 10, and symbol 12 in the subframe 1.

In one embodiment, the information of the time domain resources occupied by the target resource pool may include a plurality of bitmaps. For example, the information of the time domain resource occupied by the target resource pool includes a first bitmap and a second bitmap. The first bitmap includes 14 bits, which are respectively in one-to-one correspondence with 14 time domain symbols in each subframe, and are used to indicate which time domain symbols in each subframe belong to the target resource pool. The second bitmap includes 10 bits, which are respectively in one-to-one correspondence with 10 subframes in each radio frame, and is used for indicating which subframes in each radio frame belong to the target resource pool. Thus, from the second bitmap it can be determined which subframes within each radio frame of a radio frame period belong to the target resource pool, and from the first bitmap it can be further determined which time domain symbols within each of these subframes belong to the target resource pool.

In one embodiment, the information of the frequency domain resources occupied by the target resource pool may include:

the size of the frequency domain unit in the target resource pool, e.g., the number of PRBs in each subband;

the number of frequency domain units in the target resource pool, e.g., the number of subbands included in the target resource pool;

the frequency domain resource size (such as the number of occupied PRBs or subbands) occupied by each of the control channel resources, for example, the number of PRBs occupied by each of the control channel resources in the target resource pool in one frequency domain unit;

the size of the frequency domain resource occupied by each data channel resource (such as the number of occupied PRBs or subbands), for example, the number of PRBs occupied by each data channel resource in the target resource pool in one frequency domain unit;

the information of the frequency domain resources occupied by the target resource pool may include a frequency domain position of a first transmission resource in the target resource pool and a frequency domain width of the target resource pool, when the target resource pool includes consecutive frequency domain resources.

For example, the frequency domain starting position of the target resource pool is an index of a first sub-band in the target resource pool, the frequency domain ending position of the target resource pool is an index of a last sub-band in the target resource pool, and the frequency domain size occupied by the target resource pool is the number of sub-bands included in the target resource pool.

In one embodiment, the positional relationship between the control channel resources and the data channel resources in the target resource pool (or may also be referred to as the structure of the target resource pool) includes time division multiplexing or frequency division multiplexing between the control channel resources and the data channel resources.

Further, the resource pool configuration information of the target resource pool may include an index of the position relationship, for example, when the index 1 is included, time division multiplexing between the control channel resource and the data channel resource is indicated, and when the index 2 is included, frequency division multiplexing between the control channel resource and the data channel resource is indicated.

In the car networking system, when the terminal device performs data transmission, the data transmission and the transmission of the corresponding resource scheduling information may adopt a Frequency Division Multiplexing (FDM) or Time Division Multiplexing (TDM) mode.

Specifically, when the frequency division multiplexing mode is adopted, two configuration modes, namely a frequency domain adjacent (adjacent) mode and a non-adjacent (non-adjacent) mode, are provided for the resource pool for transmitting the resource scheduling information and the resource pool for transmitting the data.

For example, in the case of adjacent frequency domains (adjacents) as shown in fig. 6, the control channel resource for transmitting the resource scheduling information and the data channel resource corresponding to the control channel are adjacent in the frequency domain. The whole system bandwidth takes sub-bands (sub-bands) as granularity, each sub-band comprises a plurality of continuous PRBs, the first PRB and the second PRB in each sub-band are used for transmitting a control channel, and the rest PRBs are used for transmitting a data channel. The data channel resources and the control channel resources are in one-to-one correspondence, the resource scheduling information transmitted on the control channel resources is used for scheduling data transmission on the data channel resources corresponding to the control channel resources, and the starting position of the data channel resources is determined by the position of the corresponding control channel resources. The data channel resources may occupy one sub-band (e.g., the data channel resources on sub-frame 2 are located within sub-band 1) or may span multiple sub-bands (e.g., the data channel resources on sub-frame 4 are located within sub-bands 2 and 3). When the data channel resource occupies multiple sub-bands, the data channel resource is continuous in frequency domain in the multiple sub-bands and can occupy control channel resources in other sub-bands, and the control channel resource corresponding to the data channel resource is a control channel resource in a first sub-band in which the data channel resource is located, for example, the data channel resource on sub-frame 4 in fig. 6 occupies two adjacent sub-bands (sub-band 2 and sub-band 3), and the corresponding control channel resource is a control channel resource in the first sub-band (sub-band 2).

For example, in the case of non-adjacent (non-adjacent) frequency domains as shown in fig. 7, the control channel resource and the corresponding data channel resource are not adjacent in the frequency domain, the data channel resource and the control channel resource are configured independently, but the positions of the data channel resource and the control channel resource are still in one-to-one correspondence, the resource scheduling information transmitted on the control channel resource is used to schedule data transmission on the data channel resource corresponding to the control channel resource, and the starting position of the data channel resource can be determined by the position of the control channel resource corresponding to the data channel resource. The data channel resource may occupy one sub-band (for example, subframe 2 shows that the data channel resource is located in sub-band 1), or may occupy multiple control channel resources as the control channel resource in the first sub-band where the data channel resource is located, for example, the data channel resource on subframe 4 in fig. 7 is located in two adjacent sub-bands (sub-band 2 and sub-band 3), and its corresponding control channel resource is the control channel resource in the first sub-band (sub-band 2).

When a time division multiplexing manner is adopted, for example, as shown in fig. 8, a first terminal device sends its own Control channel resource, i.e., PSCCH, on a sub-band 3 of a sub-frame 1, a data channel resource, i.e., PSCCH, corresponding to the Control channel resource is transmitted on a sub-band 2 of a sub-frame 4, and Sidelink Control Information (SCI) carried on the Control channel resource may carry Information of the corresponding data channel resource; the second terminal equipment sends own control channel resources on a sub-band 4 of a sub-frame 1, data channel resources corresponding to the control channel resources are transmitted on a sub-band 3 of a sub-frame 5, and SCI (communication interface) carried on the control channel resources can carry information of the corresponding data channel resources; the third terminal device sends its own control channel resource on sub-band 3 of sub-frame 2, the data channel resource corresponding to the control channel resource is transmitted on sub-band 2 of sub-frame 6, and the SCI carried on the control channel resource can carry the information of the data channel resource corresponding to the SCI.

The resource pool configuration information of the target resource pool may carry the position relationship between the control channel resource and the data channel resource in the target resource pool, and after receiving the resource pool configuration information, the second terminal device may know whether the control channel and the corresponding data channel are transmitted in the target resource pool according to the manner shown in fig. 6 or fig. 7, or according to the manner shown in fig. 8.

Further, after determining the position relationship between the control channel resource and the data channel resource of the target resource pool, the resource pool configuration information may further include: the information that the frequency domain resources of the control channel resources and the data channel resources are adjacent or not adjacent, and/or the information that the time domain resources of the control channel resources and the data channel resources are adjacent or not adjacent.

For example, when it is determined to use the frequency division multiplexing method, the resource pool configuration information includes information that the frequency domain resources of the control channel resources and the data channel resources are adjacent or not adjacent.

In one embodiment, the information of the demodulation Reference Signal (DMRS) pattern of the target resource pool includes an index of the DMRS pattern of the target resource pool.

For example, multiple DMRS patterns may be preconfigured, and each DMRS pattern has its own unique index. The resource pool configuration information may carry an index of a DMRS pattern used for D2D communication in the target resource pool.

Since different basic parameter sets may be supported in NR, for example, in the case of a low frequency band (e.g., less than 6 GHz), a subcarrier spacing of 15k, 30kHz may be employed; in the case of a high frequency band (e.g., greater than 6 GHz), a subcarrier spacing of 60k, 120kHz may be employed. Therefore, the resource pool configuration information of the target resource pool also needs to carry the information of the basic parameter set.

In one embodiment, the basic parameter set may comprise at least one of the following parameters: the number of subcarriers in a specific bandwidth, the number of subcarriers in a physical resource block PRB, the length of an orthogonal frequency division multiplexing OFDM symbol, the number of points of a Fourier Transform such as Fast Fourier Transform (FFT) or an Inverse Fourier Transform such as Inverse Fast Fourier Transform (IFFT) for generating an OFDM signal, the number of OFDM symbols in a transmission time interval TTI, the number of TTIs included within a specific time length, and the length of a signal prefix.

Wherein, subcarrier spacing may refer to frequency spacing of adjacent subcarriers, such as 15khz,60khz, etc.; the number of subcarriers under a specific bandwidth is, for example, the number of subcarriers corresponding to each possible system bandwidth; the number of subcarriers contained in a PRB may typically be an integer multiple of 12, for example; the number of OFDM symbols contained in a TTI may typically be an integer multiple of 14, for example; the number of TTIs included in a certain time unit may refer to the number of TTIs included in a time length of 1ms or 10 ms; the signal Prefix length is, for example, a time length of a Cyclic Prefix of the signal, or whether the Cyclic Prefix uses a normal (CP) or an extended CP.

In view of the fact that multiple resource pools can be configured on each carrier, it is more convenient that the resource pool configuration information of the target resource pool can also carry the index of the target resource pool. For example, a plurality of candidate resource pools may be preconfigured (for example, the resource configuration information of each of the candidate resource pools is preconfigured), each candidate resource pool has a unique index, and the resource configuration information of the target resource pool may be obtained according to the index carried in the resource configuration information carried on the first sidelink transport channel.

It should be noted that, without conflict, the embodiments and/or technical features in the embodiments described in the present application may be arbitrarily combined with each other, and the technical solutions obtained after the combination also should fall within the scope of the present application.

In addition, "preconfigured" in the embodiments of the present application means that, for example, protocol specification is agreed in advance, or can be said to be predefined. The "network equipment configuration" refers to the condition that the network equipment determines and indicates the terminal equipment.

It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not imply any order of execution, and the order of execution of the processes should be determined by their functions and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

Having described the communication method according to the embodiment of the present application in detail above, an apparatus according to the embodiment of the present application will be described below with reference to fig. 9 to 13, and the technical features described in the method embodiment are applicable to the following apparatus embodiments.

Fig. 9 is a schematic block diagram of a terminal device 900 according to an embodiment of the present application. The terminal device is a first terminal device. As shown in fig. 9, the first terminal device 900 includes a transceiver unit 910, and the transceiver unit 910 is configured to:

and sending the first sideline transmission channel, wherein the first sideline transmission channel is used for indicating resource pool configuration information of a target resource pool, and the target resource pool is used for communicating with a second terminal device.

Therefore, the first terminal device sends the first sidelink transmission channel to indicate the resource pool configuration information of the additional resource pool, so that the second terminal device can receive the first sidelink transmission channel indicating the resource pool configuration information, thereby obtaining the resource pool configuration information of the additional resource pool, and can communicate with the first terminal device by using the additional resource pool. Because the additional resource pool is configured, the first terminal device can notify the resource configuration information of the additional resource pool to other terminal devices, and more terminal devices can obtain the information of the resource pool and use the resource pool for communication, the data transmission performance between the terminal devices is improved to a certain extent.

In one embodiment, the first terminal device further includes a processing unit 920, and the processing unit 920 is configured to: determining a first transmission resource; the transceiver unit 910 is specifically configured to: and transmitting the first sidelink transmission channel on the first transmission resource.

In an embodiment, the processing unit 920 is specifically configured to: selecting one or more resources from the K candidate resources as the first transmission resources, wherein K is a positive integer.

In an embodiment, the processing unit 920 is specifically configured to: and determining the first transmission resource according to the information of the first transmission resource prestored in the first terminal equipment.

In one embodiment, the transceiving unit 910 is further configured to: receiving first indication information sent by a network device, wherein the first indication information is used for indicating the first transmission resource; wherein, the processing unit 920 is specifically configured to: and determining the first transmission resource according to the first indication information.

In one embodiment, the transceiving unit 910 is further configured to: and sending a second sidelink transmission channel, wherein the second sidelink transmission channel carries resource indication information, and the resource indication information is used for indicating the first transmission resource.

In one embodiment, the resource indication information comprises an index of the first transmission resource.

In one embodiment, the resource indication information includes information of a first resource pool where the first transmission resource is located, and location information of the first transmission resource in the first resource pool.

In an embodiment, the resource indication information includes information of a first resource pool where the first transmission resource is located, where the first transmission resource is a first transmission resource from a lowest frequency domain position in an mth subframe located after the second side transmission channel in the first resource pool, and M is a positive integer.

In one embodiment, the resource indication information comprises time domain information and/or frequency domain information of the first transmission resource.

In one embodiment, the time domain information of the first transmission resource comprises at least one of the following information: time domain index information, time domain offset information, and information of time domain resource size; the time domain index information is an index of a time unit occupied by the first transmission resource, the time domain offset information is an offset of the first transmission resource relative to a fixed time domain position, and the information of the time domain resource size is the number of the time domain units occupied by the first transmission resource.

In one embodiment, the frequency domain information of the first transmission resource comprises at least one of: frequency domain index information, frequency domain offset information, and information of frequency domain resource size; the frequency domain index information is an index of a frequency domain unit occupied by the first transmission resource, the frequency domain offset information is an offset of the first transmission resource relative to a fixed frequency domain position, and the frequency domain resource size information is the number of the frequency domain units occupied by the first transmission resource.

In one embodiment, the second sidelink transmission channel is a physical sidelink broadcast channel PSBCH.

In an embodiment, the first sidelink transmission channel is a physical sidelink control channel PSCCH, and the resource pool configuration information is carried in a physical sidelink shared channel PSCCH scheduled by the PSCCH.

In an embodiment, the first sidelink transmission channel is a PSSCH, and the PSSCH carries the resource pool configuration information.

In one embodiment, the first sidelink transmission channel is a physical sidelink broadcast channel PSBCH.

In one embodiment, the resource pool configuration information of the target resource pool includes at least one of: information of a carrier where the target resource pool is located; information of time domain resources and/or information of frequency domain resources occupied by the target resource pool; the position relation between the control channel resource and the data channel resource in the target resource pool; the frequency domain resources of the control channel resources and the data channel resources are adjacent or not adjacent; the time domain resources of the control channel resources and the data channel resources are adjacent or not adjacent; the frequency domain resource size and/or the time domain resource size occupied by each control channel; the frequency domain resource size and/or the time domain resource size occupied by each data channel; information of a demodulation reference signal (DMRS) pattern of the target resource pool; information of a basic parameter set of the target resource pool; an index of the target resource pool.

In one embodiment, the first terminal device is a terminal device in a cell, and the second terminal device is a terminal device outside the cell.

It should be understood that the terminal device 900 may perform corresponding operations performed by the first terminal device in the method 300, and for brevity, will not be described again.

Fig. 10 is a schematic block diagram of a terminal device 1000 according to an embodiment of the present application. The terminal device is a second terminal device. As shown in fig. 10, the second terminal device 1000 includes a transceiver 1010, and the transceiver 1010 is configured to:

receiving a first sidelink transmission channel, where the first sidelink transmission channel is used to indicate resource pool configuration information of a target resource pool, and the target resource pool is used to communicate with a first terminal device.

Because the additional resource pool is configured, and the second terminal device can receive the resource configuration information of the additional resource pool notified by other terminal devices, the information of the resource pool can be obtained and the resource pool is used for communication, and the data transmission performance between the terminal devices is improved to a certain extent.

In one embodiment, the second terminal device further comprises a processing unit 1020, and the processing unit 1020 is configured to: determining a first transmission resource; the transceiver 1010 is specifically configured to: receiving the first sidelink transmission channel on the first transmission resource.

In one embodiment, the transceiving unit 1010 is further configured to: receiving a second sidelink transmission channel, wherein the second sidelink transmission channel carries resource indication information, and the resource indication information is used for indicating the first transmission resource; wherein the processing unit 1020 is specifically configured to: and determining the first transmission resource according to the second sidelink transmission channel.

In an embodiment, the resource indication information includes information of a first resource pool where the first transmission resource is located, where the first transmission resource is a first transmission resource from a lowest frequency domain position in an mth subframe located after the second side row transmission channel in the first resource pool, and M is a positive integer.

In one embodiment, the frequency domain information of the first transmission resource comprises at least one of the following information: frequency domain index information, frequency domain offset information, and information of frequency domain resource size; the frequency domain index information is an index of a frequency domain unit occupied by the first transmission resource, the frequency domain offset information is an offset of the first transmission resource relative to a fixed frequency domain position, and the frequency domain resource size information is the number of the frequency domain units occupied by the first transmission resource.

In an embodiment, the processing unit 1020 is specifically configured to: and determining the first transmission resource according to the information of the first transmission resource prestored in the second terminal equipment.

In an embodiment, the first sidelink transport channel is a PSSCH, and the PSSCH carries the resource pool configuration information.

It should be understood that the terminal device 1000 may perform corresponding operations performed by the second terminal device in the method 300, and for brevity, the description is omitted here.

Fig. 11 is a schematic structural diagram of a terminal device 1100 according to an embodiment of the present application. The terminal device 1100 shown in fig. 11 includes a processor 1110, and the processor 1110 can call and execute a computer program from a memory to implement the method in the embodiment of the present application.

In one embodiment, as shown in FIG. 11, terminal device 1100 can also include memory 1120. From the memory 1120, the processor 1110 can call and run a computer program to implement the method in the embodiment of the present application.

The memory 1120 may be a separate device from the processor 1110, or may be integrated into the processor 1110.

In one embodiment, as shown in fig. 11, the terminal device 1100 may further include a transceiver 1130, and the processor 1110 may control the transceiver 1130 to communicate with other devices, and in particular, may transmit information or data to the other devices or receive information or data transmitted by the other devices.

The transceiver 1130 may include a transmitter and a receiver, among others. The transceiver 1130 may further include one or more antennas, which may be present in number.

In an embodiment, the terminal device 1100 may specifically be a first terminal device in the embodiment of the present application, and the communication device 1100 may implement a corresponding process implemented by the first terminal device in each method in the embodiment of the present application, which is not described herein again for brevity.

In an embodiment, the terminal device 1100 may specifically be a second terminal device in the embodiment of the present application, and the terminal device 1100 may implement a corresponding process implemented by the second terminal device in each method in the embodiment of the present application, which is not described herein again for brevity.

Fig. 12 is a schematic structural diagram of a chip of an embodiment of the present application. The chip 1200 shown in fig. 12 includes a processor 1210, and the processor 1210 can call and run a computer program from a memory to implement the method in the embodiment of the present application.

In one embodiment, as shown in fig. 12, chip 1200 may also include a memory 1220. From the memory 1220, the processor 1210 may call and execute a computer program to implement the method in the embodiment of the present application.

The memory 1220 may be a separate device from the processor 1210, or may be integrated into the processor 1210.

In one embodiment, the chip 1200 may also include an input interface 1230. The processor 1210 may control the input interface 1230 to communicate with other devices or chips, and in particular, may obtain information or data transmitted by other devices or chips.

In one embodiment, the chip 1200 may also include an output interface 1240. The processor 1210 may control the output interface 1240 to communicate with other devices or chips, and in particular, may output information or data to the other devices or chips.

In an embodiment, the chip may be applied to the first terminal device in the embodiment of the present application, and the chip may implement a corresponding process implemented by the first terminal device in each method in the embodiment of the present application, and for brevity, no further description is given here.

In an embodiment, the chip may be applied to the second terminal device in the embodiment of the present application, and the chip may implement a corresponding process implemented by the second terminal device in each method in the embodiment of the present application, and for brevity, no further description is given here.

It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.

It should be understood that the processor of the embodiments of the present application may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.

It will be appreciated that the memory in the embodiments of the subject application can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of example, and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), synchronous Dynamic Random Access Memory (SDRAM), double Data Rate Synchronous Dynamic random access memory (DDR SDRAM), enhanced Synchronous SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), and Direct Rambus RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

It should be understood that the above memories are exemplary but not limiting illustrations, for example, the memories in the embodiments of the present application may also be Static Random Access Memory (SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (enhanced SDRAM, ESDRAM), synchronous Link DRAM (SLDRAM), direct Rambus RAM (DR RAM), and the like. That is, the memory in the embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.

Fig. 13 is a schematic block diagram of a communication system 1300 according to an embodiment of the present application. As shown in fig. 13, the communication system 1300 includes a first terminal device 1310 and a second terminal device 1320.

Wherein the first terminal device 1310 is configured to: and sending the first sideline transmission channel, wherein the first sideline transmission channel is used for indicating resource pool configuration information of a target resource pool, and the target resource pool is used for communicating with a second terminal device.

Wherein the second terminal device 1320 is configured to: receiving a first sidelink transmission channel, where the first sidelink transmission channel is used to indicate resource pool configuration information of a target resource pool, and the target resource pool is used to communicate with a first terminal device.

The first terminal device 1310 may be configured to implement corresponding functions implemented by the first terminal device in the method 300, and the composition of the first terminal device 1310 may be as shown in the first terminal device 900 in fig. 9, which is not described herein again for brevity.

The second terminal device 1310 may be configured to implement corresponding functions implemented by the second terminal device in the method 300, and the composition of the second terminal device 1320 may be as shown in the second terminal device 1000 in fig. 10, which is not described herein again for brevity.

The embodiment of the application also provides a computer readable storage medium for storing the computer program.

In an embodiment, the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program enables a computer to execute corresponding processes implemented by the network device in the methods in the embodiments of the present application, which are not described herein again for brevity.

In an embodiment, the computer-readable storage medium may be applied to a terminal device in the embodiment of the present application, and the computer program enables a computer to execute a corresponding process implemented by the terminal device in each method in the embodiment of the present application, which is not described herein again for brevity.

Embodiments of the present application also provide a computer program product, including computer program instructions.

In an embodiment, the computer program product may be applied to a network device in the embodiment of the present application, and the computer program instructions enable a computer to execute corresponding processes implemented by the network device in each method in the embodiment of the present application, which are not described herein again for brevity.

In an embodiment, the computer program product may be applied to the terminal device in the embodiment of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the terminal device in the methods in the embodiment of the present application, which are not described herein again for brevity.

The embodiment of the application also provides a computer program.

In an embodiment, the computer program may be applied to the network device in the embodiment of the present application, and when the computer program runs on a computer, the computer is enabled to execute corresponding processes implemented by the network device in the methods in the embodiment of the present application, and for brevity, details are not described here again.

In an embodiment, the computer program may be applied to the terminal device in the embodiment of the present application, and when the computer program runs on a computer, the computer is enabled to execute corresponding processes implemented by the terminal device in the methods in the embodiment of the present application, and for brevity, details are not described here again.

It should be understood that the terms "system" and "network" are often used interchangeably herein. The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

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

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It can be clearly understood by those skilled in the art that, for convenience and simplicity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the unit is only one logical functional division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

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

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by 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 resource allocation, the method comprising:

a first terminal device sends a first side transmission channel, wherein the first side transmission channel is used for indicating resource pool configuration information of a target resource pool, and the target resource pool is used for communicating with a second terminal device;

the method further comprises the following steps:

the first terminal equipment determines a first transmission resource;

wherein, the first terminal equipment sends a first sideline transmission channel, including:

the first terminal equipment sends the first side transmission channel on the first transmission resource;

the method further comprises the following steps:

the first terminal equipment sends a second sidelink transmission channel, wherein the second sidelink transmission channel carries resource indication information, and the resource indication information is used for indicating the first transmission resource; the resource indication information includes information of a first resource pool where the first transmission resource is located, where the first transmission resource is a first transmission resource from a lowest frequency domain position in an mth subframe located after the second sidelink transmission channel in the first resource pool, and M is a positive integer.

2. The method of claim 1, wherein the first terminal device determines the first transmission resource, comprising:

the first terminal device selects one or more resources from K candidate resources as the first transmission resource, wherein K is a positive integer.

3. The method of claim 1, wherein the first terminal device determines the first transmission resource, comprising:

and the first terminal equipment determines the first transmission resource according to the information of the first transmission resource prestored in the first terminal equipment.

4. The method of claim 1, further comprising:

the first terminal equipment receives first indication information sent by network equipment, wherein the first indication information is used for indicating the first transmission resource;

wherein the determining, by the first terminal device, the first transmission resource includes:

and the first terminal equipment determines the first transmission resource according to the first indication information.

5. The method of claim 1, wherein the resource indication information comprises an index of the first transmission resource.

6. The method according to claim 1, wherein the resource indication information includes information of a first resource pool where the first transmission resource is located, and location information of the first transmission resource in the first resource pool.

7. The method according to claim 1, wherein the resource indication information comprises time domain information and/or frequency domain information of the first transmission resource.

8. The method of claim 7, wherein the time domain information of the first transmission resource comprises at least one of: time domain index information, time domain offset information, and information of time domain resource size;

the time domain index information is an index of a time unit occupied by the first transmission resource, the time domain offset information is an offset of the first transmission resource relative to a fixed time domain position, and the information of the time domain resource size is the number of the time domain units occupied by the first transmission resource.

9. The method of claim 7, wherein the frequency domain information of the first transmission resource comprises at least one of: frequency domain index information, frequency domain offset information and frequency domain resource size information;

the frequency domain index information is an index of a frequency domain unit occupied by the first transmission resource, the frequency domain offset information is an offset of the first transmission resource relative to a fixed frequency domain position, and the frequency domain resource size information is the number of the frequency domain units occupied by the first transmission resource.

10. The method of claim 1, wherein the second sidelink transmission channel is a Physical Sidelink Broadcast Channel (PSBCH).

11. The method of claim 1, wherein the first sidelink transmission channel is a Physical Sidelink Control Channel (PSCCH), and wherein the resource pool configuration information is carried in a Physical Sidelink Shared Channel (PSSCH) scheduled by the PSCCH.

12. The method of claim 1, wherein the first sidelink transmission channel is a PSSCH, and wherein the PSSCH carries the resource pool configuration information.

13. The method of claim 1, wherein the first sidelink transport channel is a Physical Sidelink Broadcast Channel (PSBCH).

14. The method of claim 1, wherein the resource pool configuration information of the target resource pool comprises at least one of:

information of a carrier where the target resource pool is located;

information that frequency domain resources of control channel resources and data channel resources in the target resource pool are adjacent or non-adjacent;

information that time domain resources of control channel resources and data channel resources in the target resource pool are adjacent or not adjacent;

the frequency domain resource size and/or the time domain resource size occupied by each control channel in the target resource pool;

the frequency domain resource size and/or the time domain resource size occupied by each data channel in the target resource pool;

information of a basic parameter set of the target resource pool;

an index of the target resource pool.

15. The method according to any of claims 1 to 14, wherein the first terminal device is a terminal device within a cell and the second terminal device is a terminal device outside the cell.

16. A method of resource allocation, the method comprising:

a second terminal device receives a first sideline transmission channel, wherein the first sideline transmission channel is used for indicating resource pool configuration information of a target resource pool, and the target resource pool is used for communicating with the first terminal device;

the method further comprises the following steps:

the second terminal equipment determines a first transmission resource;

wherein, the second terminal equipment receives a first sideline transmission channel, and comprises:

the second terminal equipment receives the first side transmission channel on the first transmission resource;

the method further comprises the following steps:

the second terminal equipment receives a second sidelink transmission channel, wherein the second sidelink transmission channel carries resource indication information, and the resource indication information is used for indicating the first transmission resource;

wherein the determining, by the second terminal device, the first transmission resource includes:

the second terminal equipment determines the first transmission resource according to the second sidelink transmission channel;

the resource indication information includes information of a first resource pool where the first transmission resource is located, where the first transmission resource is a first transmission resource from a lowest frequency domain position in an mth subframe located after the second sidelink transmission channel in the first resource pool, and M is a positive integer.

17. The method of claim 16, wherein the resource indication information comprises an index of the first transmission resource.

18. The method according to claim 17, wherein the resource indication information includes information of a first resource pool where the first transmission resource is located, and location information of the first transmission resource in the first resource pool.

19. The method according to claim 16, wherein said resource indication information comprises time domain information and/or frequency domain information of said first transmission resource.

20. The method of claim 19, wherein the time domain information of the first transmission resource comprises at least one of: time domain index information, time domain offset information, and information of time domain resource size;

21. The method of claim 19, wherein the frequency domain information of the first transmission resource comprises at least one of: frequency domain index information, frequency domain offset information, and information of frequency domain resource size;

22. The method of claim 16, wherein the second sidelink transport channel is a physical sidelink broadcast channel PSBCH.

23. The method of claim 16, wherein the second terminal device determines the first transmission resource, comprising:

and the second terminal equipment determines the first transmission resource according to the information of the first transmission resource prestored in the second terminal equipment.

24. The method of claim 16, wherein the first sidelink transmission channel is a Physical Sidelink Control Channel (PSCCH), and wherein the resource pool configuration information is carried in a Physical Sidelink Shared Channel (PSSCH) scheduled by the PSCCH.

25. The method of claim 16, wherein the first sidelink transmission channel is a PSSCH, and wherein the PSSCH carries the resource pool configuration information.

26. The method of claim 16, wherein the first sidelink transmission channel is a Physical Sidelink Broadcast Channel (PSBCH).

27. The method of claim 16, wherein the resource pool configuration information of the target resource pool comprises at least one of:

information of a carrier where the target resource pool is located;

the information that the frequency domain resources of the control channel resources and the data channel resources in the target resource pool are adjacent or not adjacent;

information of a basic parameter set of the target resource pool;

an index of the target resource pool.

28. The method according to any of claims 16 to 27, wherein the first terminal device is a terminal device within a cell and the second terminal device is a terminal device outside the cell.

29. A terminal device, wherein the terminal device is a first terminal device, and the first terminal device comprises:

a transceiving unit, configured to send a first sidelink transmission channel, where the first sidelink transmission channel is used to indicate resource pool configuration information of a target resource pool, and the target resource pool is used for communicating with a second terminal device;

the first terminal device further comprises a processing unit for: determining a first transmission resource;

wherein the transceiver unit is specifically configured to:

transmitting the first sidelink transmission channel on the first transmission resource;

the transceiver unit is further configured to:

sending a second sidelink transmission channel, wherein the second sidelink transmission channel carries resource indication information, and the resource indication information is used for indicating the first transmission resource;

the resource indication information includes information of a first resource pool where the first transmission resource is located, where the first transmission resource is a first transmission resource from a lowest frequency domain position in an mth subframe located after the second side row transmission channel in the first resource pool, and M is a positive integer.

30. The terminal device of claim 29, wherein the processing unit is specifically configured to:

selecting one or more resources as the first transmission resource among K candidate resources, wherein K is a positive integer.

31. The terminal device of claim 29, wherein the processing unit is specifically configured to:

and determining the first transmission resource according to the information of the first transmission resource prestored in the first terminal equipment.

32. The terminal device of claim 29, wherein the transceiver unit is further configured to:

receiving first indication information sent by a network device, wherein the first indication information is used for indicating the first transmission resource;

wherein the processing unit is specifically configured to: and determining the first transmission resource according to the first indication information.

33. The terminal device of claim 29, wherein the resource indicator information comprises an index of the first transmission resource.

34. The terminal device according to claim 29, wherein the resource indication information includes information of a first resource pool where the first transmission resource is located, and location information of the first transmission resource in the first resource pool.

35. The terminal device according to claim 29, wherein the resource indication information comprises time domain information and/or frequency domain information of the first transmission resource.

36. The terminal device of claim 35, wherein the time domain information of the first transmission resource comprises at least one of: time domain index information, time domain offset information, and information of time domain resource size;

37. The terminal device of claim 35, wherein the frequency domain information of the first transmission resource comprises at least one of the following information: frequency domain index information, frequency domain offset information and frequency domain resource size information;

38. The terminal device of claim 29, wherein the second sidelink transmission channel is a physical sidelink broadcast channel PSBCH.

39. The terminal device of claim 29, wherein the first sidelink transmission channel is a Physical Sidelink Control Channel (PSCCH), and wherein a Physical Sidelink Shared Channel (PSSCH) scheduled by the PSCCH carries the resource pool configuration information.

40. The terminal device of claim 29, wherein the first sidelink transmission channel is a PSSCH, and wherein the PSSCH carries the resource pool configuration information.

41. The terminal device of claim 29, wherein the first sidelink transmission channel is a Physical Sidelink Broadcast Channel (PSBCH).

42. The terminal device of claim 29, wherein the resource pool configuration information of the target resource pool comprises at least one of:

information of a carrier where the target resource pool is located;

information of a basic parameter set of the target resource pool;

an index of the target resource pool.

43. A terminal device according to any one of claims 29 to 42, wherein the first terminal device is a terminal device within a cell and the second terminal device is a terminal device outside the cell.

44. A terminal device, wherein the terminal device is a second terminal device, and the second terminal device comprises:

a transceiving unit, configured to receive a first sidelink transmission channel, where the first sidelink transmission channel is used to indicate resource pool configuration information of a target resource pool, and the target resource pool is used for communicating with a first terminal device;

the second terminal device further comprises a processing unit for: determining a first transmission resource;

wherein the transceiver unit is specifically configured to:

receiving the first sidelink transmission channel on the first transmission resource;

the transceiver unit is further configured to:

receiving a second sidelink transmission channel, wherein the second sidelink transmission channel carries resource indication information, and the resource indication information is used for indicating the first transmission resource;

wherein the processing unit is specifically configured to:

determining the first transmission resource according to the second sidelink transmission channel;

45. The terminal device according to claim 44, wherein the resource indication information comprises an index of the first transmission resource.

46. The terminal device according to claim 44, wherein the resource indication information includes information of a first resource pool where the first transmission resource is located, and location information of the first transmission resource in the first resource pool.

47. The terminal device according to claim 44, wherein the resource indicator information comprises time domain information and/or frequency domain information of the first transmission resource.

48. The terminal device of claim 47, wherein the time domain information of the first transmission resource comprises at least one of the following information: time domain index information, time domain offset information, and information of time domain resource size;

49. The terminal device of claim 47, wherein the frequency domain information for the first transmission resource comprises at least one of: frequency domain index information, frequency domain offset information, and information of frequency domain resource size;

50. The terminal device of claim 44, wherein the second sidelink transmission channel is a Physical Sidelink Broadcast Channel (PSBCH).

51. The terminal device of claim 44, wherein the processing unit is specifically configured to:

and determining the first transmission resource according to the information of the first transmission resource prestored in the second terminal equipment.

52. The terminal device of claim 44, wherein the first sidelink transmission channel is a Physical Sidelink Control Channel (PSCCH), and wherein the resource pool configuration information is carried in a Physical Sidelink Shared Channel (PSSCH) scheduled by the PSCCH.

53. The terminal device of claim 44, wherein the first sidelink transmission channel is a PSSCH, and wherein the PSSCH carries the resource pool configuration information.

54. The terminal device of claim 44, wherein the first sidelink transmission channel is a Physical Sidelink Broadcast Channel (PSBCH).

55. The terminal device of claim 44, wherein the resource pool configuration information of the target resource pool comprises at least one of:

information of a carrier where the target resource pool is located;

the frequency domain resources of the control channel resources and the data channel resources in the target resource pool are adjacent or not adjacent;

time domain resources of the control channel resources and the data channel resources in the target resource pool are adjacent or not adjacent;

information of a basic parameter set of the target resource pool;

an index of the target resource pool.

56. The terminal device according to any of claims 44 to 55, wherein the first terminal device is an intra-cell terminal device and the second terminal device is an extra-cell terminal device.

57. A terminal device, characterized in that the terminal device comprises a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory to perform the method of any one of claims 1 to 15 or to perform the method of any one of claims 16 to 28.

58. A chip, characterized in that it comprises a processor for calling up and running a computer program from a memory, causing a device in which the chip is installed to perform the method of any of claims 1 to 15, or to perform the method of any of claims 16 to 28.

59. A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 1 to 15 or to perform the method of any one of claims 16 to 28.

60. A communication system comprising a terminal device according to any one of claims 29 to 43 and a terminal device according to any one of claims 44 to 56.