CN116261871A

CN116261871A - Resource pool configuration method, device and computer readable storage medium

Info

Publication number: CN116261871A
Application number: CN202380007939.8A
Authority: CN
Inventors: 赵文素; 赵群
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-06-13
Also published as: WO2024152164A1

Abstract

The disclosure provides a method and a device for configuring a resource pool and a computer readable storage medium, and relates to the technical field of communication. The method determines that K candidate initial symbols are supported in one time slot in a side uplink resource pool; and configuring the maximum number of sub-channels contained in the side uplink resource pool not to exceed floor (N/K), wherein N and K are positive integers. By the method, the maximum number of sub-channels or the maximum number of RB sets in the side-link resource pool is configured, and the number of sub-channels in the side-link resource pool is reduced, so that the blind detection PSCCH times of terminal equipment are reduced, and the energy consumption of receiving terminal equipment is reduced.

Description

Resource pool configuration method, device and computer readable storage medium

Technical Field

The present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for configuring a resource pool, and a computer readable storage medium.

Background

In a communication system, with the continuous development of wireless communication, requirements for communication capability are increasing. In the unlicensed frequency band of the Side Link (SL), where the Physical Side Control Channel (PSCCH) in the side link is transmitted in 1 subchannel and is located in the lowest subchannel of the lowest set (RB set) of resource blocks (ResourceBlock, RB) of the corresponding Physical Side Shared Channel (PSSCH), the receiving terminal device determines the frequency domain location of the PSCCH by blind checking all subchannels in the entire resource pool, where the receiving terminal device is located in the symbol automatic gain Control (Automatic Gain Control, AGC) of 1 slot (slot). In the resource pool configuration of Release 16 (Release 16, R16) or Release 17 (R17), a maximum of 27 subchannels may be contained in 1 resource pool.

Under the side-link unlicensed band, it may be supported that 1 slot contains 2 candidate start symbols (i.e., two AGC positions), so that the transmitting terminal device may access a channel at the second candidate start symbol position and start transmitting data, and there is a need for the receiving terminal device to perform blind detection on the PSCCH at the two candidate start symbol positions on the sub-channels in the resource pool, so that the blind detection times may be greatly increased, the blind detection complexity of the receiving terminal device may be increased, and the maximum blind detection times supported by the receiving terminal device may be exceeded, so that the energy consumption of the receiving terminal device is greater.

Disclosure of Invention

The configuration method, the device and the computer readable storage medium of the resource pool provided by the disclosure are used for reducing the number of sub-channels in the side-link resource pool by configuring that the maximum number of sub-channels contained in the side-link resource pool is not more than floor (N/K) or the number of RB sets is not more than floor (N/(M x K)), so that the blind PSCCH (primary control channel) times of receiving terminal equipment can be reduced, and the energy consumption of the receiving terminal equipment can be reduced.

An embodiment of the present disclosure provides a method for configuring a resource pool, applied to an unlicensed frequency band of a side uplink, where the method is performed by a network device, and the method includes:

Determining that K candidate starting symbols are supported in one time slot in a side uplink resource pool;

and configuring the maximum number of sub-channels contained in the side uplink resource pool not to exceed floor (N/K), wherein N and K are positive integers.

In another aspect of the present disclosure, a method for configuring a resource pool is provided and applied to an unlicensed frequency band of a side uplink, where the method is performed by a network device, and the method includes:

and configuring the number of maximum Resource Block (RB) sets contained in the side uplink Resource pool not to exceed floor (N/(M.times.K)), wherein N and K are positive integers, and M is the number of subchannels included in one RB set.

In another aspect of the present disclosure, a network device is provided, which is applied to an unlicensed frequency band of a side uplink, and includes:

and the processing module is used for determining that K candidate initial symbols are supported in one time slot in the side link resource pool and configuring the maximum number of sub-channels contained in the side link resource pool not to exceed floor (N/K), wherein N and K are positive integers.

and a processing module, configured to determine that K candidate start symbols are supported in a timeslot in a side uplink resource pool, and configure the number of maximum resource block RB sets contained in the side uplink resource pool to not exceed floor (N/(m×k)), where N and K are both positive integers, and M is the number of subchannels included in one RB set.

An embodiment of yet another aspect of the present disclosure provides a communication apparatus, including a processor and a memory, where the memory stores a computer program, and the processor executes the computer program to implement a method as set forth in the embodiment of the above aspect.

In another aspect of the present disclosure, a communication apparatus includes: a processor and interface circuit;

the interface circuit is used for receiving code instructions and transmitting the code instructions to the processor;

the processor is configured to execute the code instructions to perform a method as set forth in an embodiment of an aspect.

A further aspect of the present disclosure provides a computer-readable storage medium storing instructions that, when executed, cause a method as set forth in the embodiment of the aspect to be implemented.

In summary, in the embodiments of the present disclosure, it is determined that K candidate start symbols are supported in one slot in the side uplink resource pool; the maximum number of sub-channels contained in the configuration side-link resource pool is not more than floor (N/K), wherein N and K are both positive integers. In the embodiment of the disclosure, a configuration mechanism of a resource pool can be provided, and the maximum number of subchannels or the maximum number of RB sets contained in a side uplink resource pool can be configured, so that the number of subchannels in the resource pool is reduced, the blind detection complexity of receiving terminal equipment is reduced, the condition that the blind detection times exceed the maximum blind detection times of the receiving terminal equipment, so that the receiving terminal equipment cannot receive data is reduced, and the energy consumption of the receiving terminal equipment is reduced. The present disclosure provides a processing method for a situation of "configuration of a resource pool" to reduce the number of sub-channels in a side uplink resource pool by configuring the maximum number of sub-channels or the maximum number of RB sets contained in the side uplink resource pool, so that the number of blind PSCCH detection times of a receiving terminal device can be reduced, and the energy consumption of the receiving terminal device can be reduced.

Drawings

The foregoing and/or additional aspects and advantages of the present disclosure will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

Fig. 1 is a flow chart of a method for configuring a resource pool according to an embodiment of the present disclosure;

fig. 2 is a flow chart of a method for configuring a resource pool according to another embodiment of the present disclosure;

fig. 3 is a flow chart of a method for configuring a resource pool according to another embodiment of the present disclosure;

fig. 4 is a flowchart of a method for configuring a resource pool according to another embodiment of the present disclosure;

fig. 5 is an exemplary schematic diagram of a method for configuring a resource pool according to another embodiment of the disclosure;

fig. 6 is a flowchart of a method for configuring a resource pool according to another embodiment of the present disclosure;

fig. 7 is an exemplary schematic diagram of a method for configuring a resource pool according to another embodiment of the disclosure;

fig. 8 is an exemplary schematic diagram of a method for configuring a resource pool according to another embodiment of the disclosure;

fig. 9 is a schematic structural diagram of a network device according to an embodiment of the present disclosure;

fig. 10 is a schematic structural diagram of a network device according to another embodiment of the present disclosure;

fig. 11 is a block diagram of a network device according to an embodiment of the present disclosure.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the embodiments of the present disclosure. Rather, they are merely examples of apparatus and methods consistent with aspects of embodiments of the present disclosure as detailed in the accompanying claims.

The terminology used in the embodiments of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the disclosure. As used in this disclosure of embodiments and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in embodiments of the present disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of embodiments of the present disclosure. The words "if" and "if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination", depending on the context.

The network elements or network functions in the embodiments of the present disclosure may be implemented by using a separate hardware device or may be implemented by using software in a hardware device, which is not limited in the embodiments of the present disclosure.

A method, an apparatus, and a computer-readable storage medium for configuring a resource pool provided by embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

Fig. 1 is a flowchart of a method for configuring a resource pool according to an embodiment of the present disclosure, where the method is performed by a network device, and as shown in fig. 1, the method may include the following steps:

step 101, determining that K candidate initial symbols are supported in one time slot in a side uplink resource pool;

step 102, the maximum number of sub-channels contained in the configuration side uplink resource pool is not more than floor (N/K), wherein N and K are both positive integers.

Among other things, in one embodiment of the present disclosure, the method may be applied to unlicensed bands of the side-link.

Wherein, in one embodiment of the disclosure, floor is used to indicate a downward integer. For example, floor (N/K) may indicate that an integer is taken down for N/K, e.g., floor (N/K) may be a maximum integer not greater than N/K.

And, in one embodiment of the present disclosure, one candidate start symbol is supported in the slot, floor (N) is equal to N.

Illustratively, in one embodiment of the present disclosure, it is determined that one candidate starting symbol is supported in one slot in the side-link resource pool, and the maximum number of subchannels contained in the side-link resource pool is configured to not exceed floor (N), where floor (N) is equal to N.

Illustratively, in one embodiment of the present disclosure, where one candidate start symbol is supported in one slot, the maximum number of subchannels contained in the configuration side-link resource pool may be equal to N.

Illustratively, in one embodiment of the present disclosure, wherein one candidate start symbol is supported in one slot, the maximum number of subchannels contained in the configuration side-link resource pool may also be less than N.

And, in one embodiment of the present disclosure, two candidate start symbols are supported in the slot, the maximum number of subchannels not exceeding floor (N/2).

Illustratively, in one embodiment of the present disclosure, it is determined that two candidate starting symbols are supported in one slot in the side-link resource pool, and the maximum number of subchannels contained in the side-link resource pool is configured to not exceed floor (N/2).

Further, in one embodiment of the present disclosure, where a candidate start symbol is supported in one slot, that is, K has a value of 1, the maximum number of subchannels contained in the side uplink resource pool may be configured to be equal to N.

Illustratively, in one embodiment of the present disclosure, N is the maximum number of blind-check physical side-link control channels PSCCHs supported by the terminal device in one slot.

Illustratively, in one embodiment of the present disclosure, N is a maximum number of times the blind detection physical downlink control channel PDCCH is supported by the reuse terminal device in one slot.

Illustratively, in one embodiment of the present disclosure, the maximum number of times the terminal device supports blind detection of PDCCH in 1 slot is equal to 44, 36, 22, 20 for 15khz,30khz,60khz,120khz, n, respectively. The N value is the maximum number of times the PDCCH is blind-detected in 1 slot supported by the reuse terminal, where different subcarrier spacings correspond to different N values.

Further, in one embodiment of the present disclosure, the value of N may be 44, for example, for a subcarrier spacing of 15 khz; for a subcarrier spacing of 30khz, the value of N may be 36, for example; for a subcarrier spacing of 60khz, the value of N may be, for example, 22; for a subcarrier spacing of 120khz, the value of N may be, for example, 20.

Illustratively, in one embodiment of the present disclosure, the method further comprises:

n and K are determined from the subcarrier spacing.

In one embodiment of the disclosure, the value of K may be 1, for example, and the value of K may also be 2, for example.

Illustratively, in one embodiment of the present disclosure, for a subcarrier spacing of 15khz, the value of N may be, for example, 44, the value of k may be, for example, 1, with the maximum number of subchannels contained in the configuration side-uplink resource pool not exceeding 44; for a subcarrier spacing of 30khz, the value of N may be, for example, 36, the value of k may be, for example, 1, and the maximum number of subchannels contained in the configuration side-link resource pool does not exceed 36; for a subcarrier spacing of 60khz, the value of N may be, for example, 22, the value of k may be, for example, 1, and the maximum number of subchannels contained in the configuration side-link resource pool does not exceed 22; for a subcarrier spacing of 120khz, the value of N may be, for example, 20, the value of k may be, for example, 1, and the maximum number of subchannels contained in the configuration side-link resource pool does not exceed 20.

Illustratively, in one embodiment of the present disclosure, for a subcarrier spacing of 15khz, the value of N may be, for example, 44, the value of k may be, for example, 2, and the maximum number of subchannels contained in the configuration side-uplink resource pool does not exceed 44/2=22; for a subcarrier spacing of 30khz, the value of N may be, for example, 36, the value of k may be, for example, 2, and the maximum number of subchannels contained in the configuration side uplink resource pool does not exceed 36/2=18; for a subcarrier spacing of 60khz, the value of N may be, for example, 22, the value of k may be, for example, 2, and the maximum number of subchannels contained in the configuration side uplink resource pool does not exceed 22/2=11; for a subcarrier spacing of 120khz, the value of N may be, for example, 20, the value of k may be, for example, 2, and the maximum number of subchannels contained in the configuration side uplink resource pool does not exceed 20/2=10.

In summary, in the embodiments of the present disclosure, it is determined that K candidate start symbols are supported in one slot in the side uplink resource pool; the maximum number of sub-channels contained in the configuration side-link resource pool is not more than floor (N/K), wherein N and K are both positive integers. In the embodiment of the disclosure, a configuration mechanism of a resource pool can be provided, and the maximum number of sub-channels contained in a side uplink resource pool can be configured, so that the number of sub-channels in the resource pool is reduced, the blind detection complexity of receiving terminal equipment is reduced, the condition that the blind detection times exceed the maximum blind detection times of the receiving terminal equipment so that the receiving terminal equipment cannot receive data is reduced, and the energy consumption of the receiving terminal equipment can be reduced. The present disclosure provides a processing method for a situation of "configuration of a resource pool" so that by configuring the maximum number of sub-channels contained in a side-uplink resource pool to not exceed floor (N/K), the number of sub-channels in the side-uplink resource pool can be reduced, the number of blind-check PSCCH times of a receiving terminal device can be reduced, and the energy consumption of the receiving terminal device can be reduced.

Fig. 2 is a flowchart of a method for configuring a resource pool according to an embodiment of the disclosure, where the method is performed by a network device, and as shown in fig. 2, the method may include the following steps:

Step 201, determining that a candidate initial symbol is supported in a time slot in a side uplink resource pool;

step 202, the maximum number of sub-channels contained in the configuration side uplink resource pool is not more than floor (N), where N and K are both positive integers, and floor (N) is equal to N.

Wherein, in one embodiment of the present disclosure, the description of steps 201-202 may be described with reference to the above embodiments, and embodiments of the present disclosure are not limited herein. Optional combinations of the optional examples in the embodiments of the disclosure may be made, where the embodiments of the disclosure may be combined with steps of other embodiments, optional examples in other embodiments, without contradiction.

Wherein, in one embodiment of the present disclosure, the value of K may be 1, for example. For example, the number of candidate start symbols supported in one slot may be 1.

In summary, in the embodiments of the present disclosure, it is determined that one candidate start symbol is supported in one slot in the side uplink resource pool; step 202, the maximum number of sub-channels contained in the configuration side uplink resource pool is not more than floor (N), where N and K are both positive integers, and floor (N) is equal to N. In the embodiment of the disclosure, a configuration mechanism of a resource pool can be provided, and the maximum number of sub-channels contained in a side uplink resource pool can be configured, so that the number of sub-channels in the resource pool is reduced, the blind detection complexity of receiving terminal equipment is reduced, the condition that the blind detection times exceed the maximum blind detection times of the receiving terminal equipment so that the receiving terminal equipment cannot receive data is reduced, and the energy consumption of the receiving terminal equipment can be reduced. The embodiment of the disclosure specifically discloses a scheme for configuring the maximum number of subchannels contained in a side uplink resource pool when the number of supported candidate initial symbols in one time slot is one. When the present disclosure provides a processing method for a situation of "configuration of a resource pool", by configuring the maximum number of sub-channels contained in a side-link resource pool not to exceed floor (N), the number of sub-channels in the side-link resource pool can be reduced, the number of blind PSCCH detection times of a receiving terminal device can be reduced, and the energy consumption of the receiving terminal device can be reduced.

Fig. 3 is a flowchart of a method for configuring a resource pool, which is provided by an embodiment of the present disclosure, and the method is executed by a network device, as shown in fig. 3, and the method may include the following steps:

step 301, determining that two candidate initial symbols are supported in one time slot in a side uplink resource pool;

in step 302, the maximum number of subchannels in the configured side-link resource pool is not more than floor (N/2), where N and K are both positive integers.

Wherein, in one embodiment of the present disclosure, the description of steps 301-302 may be described with reference to the above embodiments, and the embodiments of the present disclosure are not limited herein. Optional combinations of the optional examples in the embodiments of the disclosure may be made, where the embodiments of the disclosure may be combined with steps of other embodiments, optional examples in other embodiments, without contradiction.

Wherein, in one embodiment of the present disclosure, the value of K may be 2, for example. For example, the number of candidate start symbols supported in one slot may be 2.

In summary, in the embodiments of the present disclosure, it is determined that K candidate start symbols are supported in one slot in the side uplink resource pool; the maximum number of sub-channels contained in the configuration side-link resource pool is not more than floor (N/2), wherein N and K are both positive integers. In the embodiment of the disclosure, a configuration mechanism of a resource pool can be provided, and the maximum number of sub-channels contained in a side uplink resource pool can be configured, so that the number of sub-channels in the resource pool is limited, thereby reducing the blind detection complexity of receiving terminal equipment, reducing the situation that the blind detection times exceed the maximum blind detection times of the receiving terminal equipment so that the receiving terminal equipment cannot receive data, and reducing the energy consumption of the receiving terminal equipment. The embodiment of the disclosure specifically discloses a scheme for configuring the maximum number of subchannels contained in a side uplink resource pool when the number of supported candidate initial symbols in one time slot is two. The present disclosure provides a processing method for a situation of "configuration of a resource pool" to reduce the number of subchannels in a side-link resource pool, reduce the number of blind PSCCH detection times of a receiving terminal device, and reduce energy consumption of the receiving terminal device by configuring the maximum number of subchannels contained in the side-link resource pool to not exceed floor (N/2K).

Fig. 4 is a flowchart of a method for configuring a resource pool, which is provided by an embodiment of the present disclosure, and the method is executed by a network device, as shown in fig. 4, and the method may include the following steps:

step 401, determining N and K according to the subcarrier spacing;

step 402, determining that K candidate initial symbols are supported in one time slot in a side uplink resource pool;

in step 403, the maximum number of subchannels in the configured side-link resource pool is not more than floor (N/K), where N and K are both positive integers.

Wherein, in one embodiment of the present disclosure, the description of steps 401-403 may be described with reference to the above embodiments, and the embodiments of the present disclosure are not limited herein. Optional combinations of the optional examples in the embodiments of the disclosure may be made, where the embodiments of the disclosure may be combined with steps of other embodiments, optional examples in other embodiments, without contradiction.

Wherein, in one embodiment of the present disclosure, for a subcarrier spacing of 15khz, the value of N may be 44, for example; for a subcarrier spacing of 30khz, the value of N may be 36, for example; for a subcarrier spacing of 60khz, the value of N may be, for example, 22; for a subcarrier spacing of 120khz, the value of N may be, for example, 20.

In summary, in the embodiments of the present disclosure, N and K are determined according to the subcarrier spacing; determining that K candidate starting symbols are supported in one time slot in a side uplink resource pool; the maximum number of sub-channels contained in the configuration side-link resource pool is not more than floor (N/K), wherein N and K are both positive integers. In the embodiment of the disclosure, a configuration mechanism of a resource pool can be provided, the maximum number of sub-channels contained in a side uplink resource pool can be configured, the blind detection complexity of the receiving terminal equipment is reduced, the condition that the receiving terminal equipment cannot receive data due to the fact that the blind detection times exceed the maximum blind detection times of the receiving terminal equipment is reduced, and the energy consumption of the receiving terminal equipment can be reduced. The embodiment of the disclosure specifically discloses a scheme for determining N and K according to subcarrier spacing. The present disclosure provides a processing method for a situation of "configuration of a resource pool" to reduce the number of subchannels in a side-link resource pool, reduce the number of blind PSCCH detection times of a receiving terminal device, and reduce the power consumption of the receiving terminal device by configuring the maximum number of subchannels contained in the side-link resource pool to not exceed floor (N/K).

Fig. 5 is a flowchart of a method for configuring a resource pool, which is provided by an embodiment of the present disclosure, and the method is executed by a network device, as shown in fig. 5, and the method may include the following steps:

Step 501, determining that K candidate initial symbols are supported in one time slot in a side uplink resource pool;

step 502, the number of the largest resource block RB sets contained in the configuration side uplink resource pool does not exceed floor (N/(m×k)), where N and K are both positive integers, and M is the number of subchannels included in one RB set.

Wherein in one embodiment of the present disclosure, the unlicensed band is applied to the side-link.

Wherein, in one embodiment of the disclosure, floor is used to indicate a downward integer. For example, floor (N/(m×k)) may indicate a downward integer for N/(m×k), e.g., floor (N/K) may be a maximum integer not greater than N/(m×k).

And, in one embodiment of the present disclosure, one candidate start symbol is supported in a slot, and the maximum RB set number does not exceed floor (N/M).

Illustratively, in one embodiment of the present disclosure, it is determined that one candidate start symbol is supported in one slot in the side-link resource pool, and the maximum number of RB sets contained in the side-link resource pool is configured to not exceed floor (N/M).

And, in one embodiment of the present disclosure, two candidate start symbols are supported in a slot, the maximum RB set number not exceeding floor (N/2M).

And, in one embodiment of the present disclosure, determining that two candidate start symbols are supported in one slot in the side-link resource pool, configuring the maximum number of RB sets contained in the side-link resource pool to be no more than floor (N/2M).

Illustratively, in one embodiment of the present disclosure, N is the maximum number of blind-check PSCCHs supported by the terminal device in one slot.

And, in one embodiment of the present disclosure, N is the maximum number of blind test PDCCHs supported by the reuse terminal device in one slot.

Further, in one embodiment of the present disclosure, the method further comprises:

n and K are determined from the subcarrier spacing.

Illustratively, in one embodiment of the present disclosure, when the subcarrier spacing is 15khz, the value of N may be, for example, 44, the value of k may be, for example, 1, and when 1 subchannel is equal to 2 interlaces (interlaces), the value of M may be, for example, 5, i.e., the maximum RB set supported is no more than 8, floor (44/(1×5))=8; when 1 subchannel is equal to 1 interlace, the value of M may be, for example, 10, that is, the maximum RB set supported is not more than 4, that is, floor (44/(1×10))=4.

Illustratively, in one embodiment of the present disclosure, when the subcarrier spacing is 15khz, the value of N may be, for example, 44, the value of k may be, for example, 2, and when 1 subchannel is equal to 2 interlaces (interlaces), the value of M may be, for example, 5, i.e., the supported RB set is no more than 4, floor (44/(2×5))=4; when 1 subchannel is equal to 1 interlace, the value of M may be, for example, 10, that is, the number of supported RB sets is not more than 2, floor (44/(2×10))=2.

Illustratively, in one embodiment of the present disclosure, when the subcarrier spacing is 30khz, the value of N may be 36, the value of k may be 1, and when 1 subchannel is equal to 2 interlaces, the value of M may be 5, i.e. the maximum RB set supported is not more than 7, floor (36/(1×5))=7; when 1 subchannel is equal to 1 interlace, the value of M may be, for example, 5, that is, the maximum RB set supported does not exceed 3, that is, floor (36/(1×10))=3.

Illustratively, in one embodiment of the present disclosure, when the subcarrier spacing is 30khz, the value of N may be 36, the value of k may be 2, and when 1 subchannel is equal to 2 interlaces, the value of M may be 5, i.e. the maximum RB set supported is not more than 3, floor (36/(2×5))=3; when 1 subchannel is equal to 1 interlace, the value of M may be, for example, 10, that is, the maximum RB set supported does not exceed 1, that is, floor (36/(2×10))=1.

In summary, in the embodiments of the present disclosure, it is determined that K candidate start symbols are supported in one slot in the side uplink resource pool; the number of the largest resource block RB sets contained in the configuration side link resource pool is not more than floor (N/(M x K)), wherein N and K are both positive integers, and M is the number of sub-channels included in one RB set. In the embodiment of the disclosure, a configuration mechanism of a resource pool can be provided, and the maximum RB set number contained in the side uplink resource pool can be configured, so that the number of sub-channels in the resource pool is limited, thereby reducing the blind detection complexity of the receiving terminal equipment, reducing the situation that the blind detection times exceed the maximum blind detection times of the receiving terminal equipment so that the receiving terminal equipment cannot receive data, and reducing the energy consumption of the receiving terminal equipment. The present disclosure provides a processing method for a situation of "configuration of a resource pool" to reduce the number of RB sets in a side-link resource pool, thereby reducing the number of subchannels in the side-link resource pool, reducing the number of blind PSCCH detection times of a receiving terminal device, and reducing the energy consumption of the receiving terminal device by configuring the maximum RB sets contained in the side-link resource pool to not exceed floor (N/(m×k)).

Fig. 6 is a flowchart of a method for configuring a resource pool, which is provided by an embodiment of the present disclosure, and the method is executed by a network device, as shown in fig. 6, and the method may include the following steps:

step 601, determining that a candidate initial symbol is supported in a time slot in a side uplink resource pool;

in step 602, the number of the maximum resource block RB sets contained in the configuration side uplink resource pool is not more than floor (N/M), where N and K are both positive integers, and M is the number of subchannels included in one RB set.

Wherein, in one embodiment of the present disclosure, the description of steps 601-602 may be described with reference to the above embodiments, and embodiments of the present disclosure are not limited herein. Optional combinations of the optional examples in the embodiments of the disclosure may be made, where the embodiments of the disclosure may be combined with steps of other embodiments, optional examples in other embodiments, without contradiction.

In one embodiment of the present disclosure, the value of K may be 1, for example, the number of candidate start symbols supported in one slot may be one. Where M is the number of subchannels included in one RB set.

In summary, in the embodiments of the present disclosure, it is determined that 1 candidate start symbol is supported in one slot in the side uplink resource pool; the number of the largest resource block RB sets contained in the configuration side link resource pool is not more than floor (N/M), wherein N and K are positive integers, and M is the number of sub-channels included in one RB set. In the embodiment of the disclosure, a configuration mechanism of a resource pool can be provided, and the maximum RB set number contained in the side uplink resource pool can be configured, so that the number of sub-channels in the resource pool is reduced, the blind detection complexity of receiving terminal equipment is reduced, the condition that the blind detection times exceed the maximum blind detection times of the receiving terminal equipment so that the receiving terminal equipment cannot receive data is reduced, and the energy consumption of the receiving terminal equipment can be reduced. The embodiment of the disclosure specifically discloses a scheme for configuring the maximum RB set number contained in a side uplink resource pool when the number of supporting candidate initial symbols in one time slot is one. The present disclosure provides a processing method for a situation of "configuration of a resource pool" so that by configuring a maximum RB set contained in a side uplink resource pool not to exceed floor (N/M), the number of RB sets in the side uplink resource pool can be reduced, so that the number of subchannels in the side uplink resource pool can be reduced, the number of blind PSCCH detection times of a receiving terminal device can be reduced, and the energy consumption of the receiving terminal device can be reduced.

Fig. 7 is a flowchart of a method for configuring a resource pool, which is provided by an embodiment of the present disclosure, and the method is executed by a network device, as shown in fig. 7, and the method may include the following steps:

step 701, determining that two candidate initial symbols are supported in one time slot in a side uplink resource pool;

in step 702, the number of the maximum resource block RB sets contained in the configuration side uplink resource pool is not more than floorfloor (N/2M), where N and K are both positive integers, and M is the number of subchannels included in one RB set.

Wherein, in one embodiment of the present disclosure, the description of steps 701-702 may be described with reference to the above embodiments, the embodiments of the present disclosure are not limited herein. Optional combinations of the optional examples in the embodiments of the disclosure may be made, where the embodiments of the disclosure may be combined with steps of other embodiments, optional examples in other embodiments, without contradiction.

Wherein, in one embodiment of the present disclosure, the value of K may be 2, for example, the number of candidate start symbols supported in one slot may be two. Where M is the number of subchannels included in one RB set.

In summary, in the embodiments of the present disclosure, it is determined that two candidate start symbols are supported in one slot in the side uplink resource pool; the number of the largest resource block RB sets contained in the configuration side link resource pool is not more than floorfloor (N/2M), wherein N and K are both positive integers, and M is the number of subchannels included in one RB set. In the embodiment of the disclosure, a configuration mechanism of a resource pool can be provided, and the maximum RB set number contained in the side uplink resource pool can be configured, so that the number of sub-channels in the resource pool is limited, thereby reducing the blind detection complexity of the receiving terminal equipment, reducing the situation that the blind detection times exceed the maximum blind detection times of the receiving terminal equipment so that the receiving terminal equipment cannot receive data, and reducing the energy consumption of the receiving terminal equipment. The embodiment of the disclosure specifically discloses a scheme for configuring the maximum RB set number contained in a side uplink resource pool when the number of supporting candidate initial symbols in one time slot is two. The present disclosure provides a processing method for a situation of "configuration of a resource pool" so that by configuring a maximum RB set contained in a side uplink resource pool not to exceed floor (N/2M), the number of RB sets in the side uplink resource pool can be reduced, thereby reducing the number of subchannels contained in the resource pool, reducing the number of blind detection PSCCH times of a receiving terminal device, and reducing energy consumption of the receiving terminal device.

Fig. 8 is a flowchart of a method for configuring a resource pool, which is provided by an embodiment of the present disclosure, and the method is executed by a network device, as shown in fig. 8, and the method may include the following steps:

step 801, determining N and K according to the subcarrier spacing;

step 802, determining that K candidate initial symbols are supported in one time slot in a side uplink resource pool;

in step 803, the number of the maximum resource block RB sets contained in the configuration side uplink resource pool does not exceed floor (N/(m×k)), where N and K are both positive integers, and M is the number of subchannels included in one RB set.

Wherein, in one embodiment of the present disclosure, the description regarding steps 801-803 may be described with reference to the above embodiments, the embodiments of the present disclosure are not limited herein. Optional combinations of the optional examples in the embodiments of the disclosure may be made, where the embodiments of the disclosure may be combined with steps of other embodiments, optional examples in other embodiments, without contradiction.

Where, in one embodiment of the present disclosure, M is the number of subchannels included in one RB set.

Illustratively, in one embodiment of the present disclosure, when the subcarrier spacing is 15khz, the value of N may be, for example, 44 and the value of k may be, for example, 1; when the subcarrier spacing is 30khz, the value of N may be 36, for example, and the value of k may be 2, for example.

In summary, in the embodiments of the present disclosure, N and K are determined according to the subcarrier spacing; determining that K candidate starting symbols are supported in one time slot in a side uplink resource pool; the number of the largest resource block RB sets contained in the configuration side link resource pool is not more than floor (N/(M x K)), wherein N and K are both positive integers, and M is the number of sub-channels included in one RB set. In the embodiment of the disclosure, a configuration mechanism of a resource pool can be provided, and the maximum RB set number contained in the side uplink resource pool can be configured, so that the number of sub-channels in the resource pool is reduced, the blind detection complexity of receiving terminal equipment is reduced, the condition that the blind detection times exceed the maximum blind detection times of the receiving terminal equipment so that the receiving terminal equipment cannot receive data is reduced, and the energy consumption of the receiving terminal equipment can be reduced. The embodiment of the disclosure specifically discloses a scheme for determining N and K according to subcarrier spacing. The present disclosure provides a processing method for a situation of "configuration of a resource pool" to reduce the number of RB sets in a side uplink resource pool by configuring a maximum RB set contained in the side uplink resource pool not to exceed floor (N/(m×k)), thereby reducing the number of subchannels in the resource pool, reducing the number of blind PSCCH detection times of a receiving terminal device, and reducing energy consumption of the receiving terminal device.

Fig. 9 is a schematic structural diagram of a network device applied to unlicensed bands of a side uplink according to an embodiment of the present disclosure, and as shown in fig. 9, the network device 900 may include:

a processing module 901, configured to determine that K candidate start symbols are supported in one slot in the side uplink resource pool, and configure the maximum number of subchannels contained in the side uplink resource pool not to exceed floor (N/K), where N and K are both positive integers.

In summary, in the embodiments of the present disclosure, the processing module determines that K candidate start symbols are supported in one slot in the side uplink resource pool, and configures the maximum number of subchannels contained in the side uplink resource pool to not exceed floor (N/K), where N and K are both positive integers. In the embodiment of the disclosure, a configuration mechanism of a resource pool can be provided, and the maximum number of sub-channels contained in a side uplink resource pool can be configured, so that the number of sub-channels in the resource pool is limited, thereby reducing the blind detection complexity of receiving terminal equipment, reducing the situation that the blind detection times exceed the maximum blind detection times of the receiving terminal equipment so that the receiving terminal equipment cannot receive data, and reducing the energy consumption of the receiving terminal equipment. The present disclosure provides a network device for a "configuration of a resource pool" scenario, so that by configuring a maximum number of subchannels contained in a side-uplink resource pool, the number of subchannels in the side-uplink resource pool can be reduced, the number of blind PSCCH detection times of a receiving terminal device can be reduced, and the power consumption of the receiving terminal device can be reduced.

Optionally, in one embodiment of the present disclosure, one candidate start symbol is supported in the slot, floor (N) is equal to N.

Optionally, in one embodiment of the present disclosure, two candidate start symbols are supported in a slot, the maximum number of subchannels not exceeding floor (N/2).

Optionally, in one embodiment of the disclosure, N is a maximum number of blind detection physical side uplink control channels PSCCHs supported by the terminal device in one slot.

Optionally, in one embodiment of the disclosure, N is a maximum number of times the blind detection physical downlink control channel PDCCH is supported by the reuse terminal device in one slot.

Optionally, in one embodiment of the disclosure, the processing module 901 is further configured to:

n and K are determined from the subcarrier spacing.

Fig. 10 is a schematic structural diagram of a network device applied to unlicensed bands of a side uplink according to an embodiment of the present disclosure, and as shown in fig. 10, the network device 1000 may include:

a processing module 1001, configured to determine that K candidate start symbols are supported in one slot in the side uplink resource pool, and configure the maximum number of RB sets of resource blocks contained in the side uplink resource pool to not exceed floor (N/(m×k)), where N and K are both positive integers, and M is the number of subchannels included in one RB set.

In summary, in the embodiment of the disclosure, the processing module determines that K candidate start symbols are supported in one slot in the side uplink resource pool, and configures the maximum number of RB sets in the side uplink resource pool to not exceed floor (N/(m×k)), where N and K are both positive integers, and M is the number of subchannels included in one RB set. In the embodiment of the disclosure, a configuration mechanism of a resource pool can be provided, and the maximum RB set number contained in the side uplink resource pool can be configured, so that the number of sub-channels in the resource pool is limited, thereby reducing the blind detection complexity of the receiving terminal equipment, reducing the situation that the blind detection times exceed the maximum blind detection times of the receiving terminal equipment so that the receiving terminal equipment cannot receive data, and reducing the energy consumption of the receiving terminal equipment. The present disclosure provides a network device for a "configuration of a resource pool" scenario, so that by configuring the maximum RB set contained in the side-uplink resource pool not to exceed floor (N/(m×k)) numbers, the number of RB sets in the side-uplink resource pool can be reduced, so that the number of subchannels in the side-uplink resource pool can be reduced, the number of blind PSCCH detection times of a receiving terminal device can be reduced, and the power consumption of the receiving terminal device can be reduced.

Optionally, in one embodiment of the present disclosure, one candidate start symbol is supported in a slot, and the maximum RB set number does not exceed floor (N/M).

Optionally, in one embodiment of the present disclosure, two candidate start symbols are supported in a slot, the maximum RB set number not exceeding floor (N/2M).

Optionally, in one embodiment of the disclosure, N is a maximum number of blind-check PSCCHs supported by the terminal device in one slot.

Optionally, in one embodiment of the disclosure, N is a maximum number of blind-check PDCCHs supported by the reuse terminal device in one slot.

Optionally, in one embodiment of the disclosure, the processing module 1001 is further configured to:

n and K are determined from the subcarrier spacing.

Fig. 11 is a block diagram of a network device 1100 provided by an embodiment of the present disclosure. For example, the network device 1100 may be provided as a network device. Referring to FIG. 11, the network device 1100 includes a processing component 1122 that further includes at least one processor, and memory resources represented by memory 1132 for storing instructions, such as application programs, executable by the processing component 1122. The application programs stored in memory 1132 may include one or more modules each corresponding to a set of instructions. Further, processing component 1122 is configured to execute instructions to perform any of the methods previously described herein as applied to the network device.

The network device 1100 may also include a power component 1127 configured to perform power management of the network device 1100, a wired or wireless network interface 1150 configured to connect the network device 1100 to a network, and an input/output (I/O) interface 1158. The network device 1100 may operate based on an operating system stored in memory 1132, such as Windows Server TM, mac OS XTM, unix (TM), linux (TM), free BSDTM, or the like.

In the embodiments provided in the present disclosure, the method provided in the embodiments of the present disclosure is described from the perspective of the network device and the UE, respectively. In order to implement the functions in the methods provided in the embodiments of the present disclosure, the network device and the UE may include hardware structures, software modules, and implement the functions in the form of hardware structures, software modules, or both hardware structures and software modules. Some of the functions described above may be implemented in a hardware structure, a software module, or a combination of a hardware structure and a software module.

The embodiment of the disclosure provides a communication device. The communication device may include a transceiver module and a processing module. The transceiver module may include a transmitting module and/or a receiving module, where the transmitting module is configured to implement a transmitting function, the receiving module is configured to implement a receiving function, and the transceiver module may implement the transmitting function and/or the receiving function.

The communication device may be a terminal device (such as the terminal device in the foregoing method embodiment), or may be a device in the terminal device, or may be a device that can be used in a matching manner with the terminal device. Alternatively, the communication device may be a network device, a device in the network device, or a device that can be used in cooperation with the network device.

Another communication apparatus provided by an embodiment of the present disclosure. The communication device may be a network device, or may be a terminal device (such as the terminal device in the foregoing method embodiment), or may be a chip, a chip system, or a processor that supports the network device to implement the foregoing method, or may be a chip, a chip system, or a processor that supports the terminal device to implement the foregoing method. The device can be used for realizing the method described in the method embodiment, and can be particularly referred to the description in the method embodiment.

The communication device may include one or more processors. The processor may be a general purpose processor or a special purpose processor, etc. For example, a baseband processor or a central processing unit. The baseband processor may be used to process communication protocols and communication data, and the central processor may be used to control communication devices (e.g., network equipment, baseband chips, terminal equipment chips, DUs or CUs, etc.), execute computer programs, and process data of the computer programs.

Optionally, the communication device may further include one or more memories, on which a computer program may be stored, and the processor executes the computer program, so that the communication device performs the method described in the above method embodiments. Optionally, the memory may also store data therein. The communication device and the memory may be provided separately or may be integrated.

Optionally, the communication device may further comprise a transceiver, an antenna. The transceiver may be referred to as a transceiver unit, transceiver circuitry, or the like, for implementing the transceiver function. The transceiver may include a receiver, which may be referred to as a receiver or a receiving circuit, etc., for implementing a receiving function, and a transmitter; the transmitter may be referred to as a transmitter or a transmitting circuit, etc., for implementing a transmitting function.

Optionally, one or more interface circuits may also be included in the communication device. The interface circuit is used for receiving the code instruction and transmitting the code instruction to the processor. The processor executes the code instructions to cause the communication device to perform the method described in the method embodiments above.

The communication device is a network device: the processor is configured to perform the methods shown in any of figures 1-8.

In one implementation, a transceiver for implementing the receive and transmit functions may be included in the processor. For example, the transceiver may be a transceiver circuit, or an interface circuit. The transceiver circuitry, interface or interface circuitry for implementing the receive and transmit functions may be separate or may be integrated. The transceiver circuit, interface or interface circuit may be used for reading and writing codes/data, or the transceiver circuit, interface or interface circuit may be used for transmitting or transferring signals.

In one implementation, a processor may have a computer program stored thereon, which, when executed on the processor, may cause a communication device to perform the method described in the method embodiments above. The computer program may be solidified in the processor, in which case the processor may be implemented in hardware.

In one implementation, a communication device may include circuitry that may implement the functions of transmitting or receiving or communicating in the foregoing method embodiments. The processors and transceivers described in this disclosure may be implemented on integrated circuits (integrated circuit, ICs), analog ICs, radio frequency integrated circuits RFICs, mixed signal ICs, application specific integrated circuits (application specific integrated circuit, ASIC), printed circuit boards (printed circuit board, PCB), electronic devices, and the like. The processor and transceiver may also be fabricated using a variety of IC process technologies such as complementary metal oxide semiconductor (complementary metal oxide semiconductor, CMOS), N-type metal oxide semiconductor (NMOS), P-type metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (bipolar junction transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.

The communication apparatus described in the above embodiment may be a network device or a terminal device (such as the terminal device in the foregoing method embodiment), but the scope of the communication apparatus described in the present disclosure is not limited thereto, and the structure of the communication apparatus may not be limited. The communication means may be a stand-alone device or may be part of a larger device. For example, the communication device may be:

(1) A stand-alone integrated circuit IC, or chip, or a system-on-a-chip or subsystem;

(2) A set of one or more ICs, optionally also comprising storage means for storing data, a computer program;

(3) An ASIC, such as a Modem (Modem);

(4) Modules that may be embedded within other devices;

(5) A receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handset, a mobile unit, a vehicle-mounted device, a network device, a cloud device, an artificial intelligent device, and the like;

(6) Others, and so on.

In the case where the communication device may be a chip or a system of chips, the chip includes a processor and an interface. The number of the processors may be one or more, and the number of the interfaces may be a plurality.

Optionally, the chip further comprises a memory for storing the necessary computer programs and data.

Those of skill in the art will further appreciate that the various illustrative logical blocks (illustrative logical block) and steps (step) described in connection with the embodiments of the disclosure may be implemented by electronic hardware, computer software, or combinations of both. Whether such functionality is implemented as hardware or software depends upon the particular application and design requirements of the overall system. Those skilled in the art may implement the described functionality in varying ways for each particular application, but such implementation is not to be understood as beyond the scope of the embodiments of the present disclosure.

The present disclosure also provides a readable storage medium having instructions stored thereon which, when executed by a computer, perform the functions of any of the method embodiments described above.

The present disclosure also provides a computer program product which, when executed by a computer, performs the functions of any of the method embodiments described above.

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

Those of ordinary skill in the art will appreciate that: the various numbers of first, second, etc. referred to in this disclosure are merely for ease of description and are not intended to limit the scope of embodiments of this disclosure, nor to indicate sequencing.

At least one of the present disclosure may also be described as one or more, a plurality may be two, three, four or more, and the present disclosure is not limited. In the embodiment of the disclosure, for a technical feature, the technical features in the technical feature are distinguished by "first", "second", "third", "a", "B", "C", and "D", and the technical features described by "first", "second", "third", "a", "B", "C", and "D" are not in sequence or in order of magnitude.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A method of configuring a resource pool, wherein the method is applied to an unlicensed frequency band of a side-link, and the method is performed by a network device, the method comprising:

2. The method of claim 1, wherein one candidate start symbol is supported in the slot, the floor (N) being equal to N.

3. The method of claim 1, wherein two candidate start symbols are supported in the slot, the maximum number of subchannels not exceeding floor (N/2).

4. The method of claim 1, wherein N is a maximum number of blind-check physical side-uplink control channels PSCCHs supported by a terminal device in one slot.

5. The method of claim 1, wherein the N is a maximum number of blind detection physical downlink control channels, PDCCHs, supported by a reusing terminal device in one slot.

6. The method of claim 1, wherein the method further comprises:

and determining the N and the K according to the subcarrier spacing.

7. A method of configuring a resource pool, wherein the method is applied to an unlicensed frequency band of a side-link, and the method is performed by a network device, the method comprising:

and configuring the number of the largest Resource Block (RB) sets contained in the side link resource pool not to exceed floor (N/(M.times.K)), wherein N and K are positive integers, and M is the number of sub-channels included in one RB set.

8. The method of claim 7, wherein one candidate start symbol is supported in the slot, and the maximum number of RB sets does not exceed floor (N/M).

9. The method of claim 7, wherein two candidate start symbols are supported in the slot, the maximum number of RB sets not exceeding floor (N/2M).

10. The method of claim 7, wherein N is a maximum number of blind-check PSCCHs supported by a terminal device in one slot.

11. The method of claim 7, wherein the N is a maximum number of blind test PDCCHs supported by a multiplexing terminal device in one slot.

12. The method of claim 7, wherein the method further comprises:

and determining the N and the K according to the subcarrier spacing.

13. A network device for unlicensed frequency bands for side-links, the network device comprising:

14. A network device for unlicensed frequency bands for side-links, the network device comprising:

15. A communication device comprising a processor and a memory, wherein the memory has stored therein a computer program, the processor executing the computer program to implement the method of any of claims 1 to 6 or 7 to 12.

16. A communication device, comprising: a processor and an interface circuit, wherein,

the processor for executing the code instructions to perform the method of any one of claims 1 to 6 or 7 to 12.

17. A computer readable storage medium storing instructions which, when executed, cause a method as claimed in any one of claims 1 to 6 or 7 to 12 to be implemented.