CN113973388A

CN113973388A - Method, terminal and network side equipment for canceling transmission

Info

Publication number: CN113973388A
Application number: CN202010712722.5A
Authority: CN
Inventors: 鲁智
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2022-01-25
Also published as: WO2022017358A1

Abstract

The application discloses a method, a terminal and network side equipment for canceling transmission, and belongs to the technical field of communication. The method comprises the following steps: and acquiring a cancel indication CI, and canceling uplink transmission on a target interlace according to the CI, wherein the target interlace is determined according to the CI. In addition, the CI of the embodiment of the application is specific to the interleaving, when the CI is obtained, only uplink transmission on the target interleaving indicated by the CI needs to be cancelled, and uplink transmission on the whole resource does not need to be cancelled, so that the resource utilization rate of the unauthorized frequency band can be increased.

Description

Method, terminal and network side equipment for canceling transmission

Technical Field

The application belongs to the technical field of communication, and particularly relates to a method, a terminal and a network side device for canceling transmission.

Background

The unlicensed band (unlicensed band) may be used as a supplement to the licensed band (licensed band) to help the operator to expand the capacity of the communication service. Since the unlicensed band is shared by multiple technologies, for example: wireless Fidelity (WiFi), radar, Long Term Evolution-Assisted Access (LTE-LAA), and the like, therefore, for an unlicensed spectrum, a communication device (such as a network side device or a terminal) needs to detect whether a side channel is idle Before transmitting, that is, Listen Before Talk (LBT), and can transmit if the side channel is idle. Otherwise, the next channel detection is waited.

In addition, transmission in the unlicensed band also needs to meet the requirement of Occupying Channel Bandwidth (OCB), so that transmission in the unlicensed band may use an interlace (interlace) mode for resource allocation. In order to improve the resource utilization rate of the unlicensed frequency band, multiple terminals may reuse unlicensed frequency band resources, but when the multiple terminals reuse the unlicensed frequency band resources, if scheduling conflict occurs, the terminals and the network side device may not perform transmission, resulting in transmission failure.

Disclosure of Invention

An object of the embodiments of the present application is to provide a method, a terminal, and a network side device for cancelling transmission, which can solve a transmission failure problem caused by an unlicensed frequency band scheduling conflict.

In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, an embodiment of the present application provides a method for canceling transmission, where the method is applied to a terminal, and the method includes:

acquiring a Cancellation Indicator (CI);

and canceling uplink transmission on a target interlace according to the CI, wherein the target interlace is determined according to the CI.

In a second aspect, an embodiment of the present application provides an apparatus for cancelling transmission, where the apparatus includes:

the first acquisition module is used for acquiring a cancel indication CI;

and the first processing module is used for canceling the uplink transmission on the target interleaving according to the CI, wherein the target interleaving is determined according to the CI.

In a third aspect, an embodiment of the present application provides a method for canceling transmission, where the method is applied to a network side device, and the method includes:

and sending a cancellation indication CI, wherein the CI is used for indicating to cancel the target interleaving of the uplink transmission.

In a fourth aspect, an embodiment of the present application provides an apparatus for cancelling transmission, where the apparatus includes:

and the first sending module is used for sending a cancellation instruction CI, and the CI is used for indicating the cancellation of the target interleaving of the uplink transmission.

In a fifth aspect, embodiments of the present application provide a terminal including a processor, a memory, and a program or instructions stored on the memory and executable on the processor, where the program or instructions, when executed by the processor, implement the steps of the method of canceling a transmission according to the first aspect.

In a sixth aspect, the present application provides a network-side device, where the network-side device includes a processor, a memory, and a program or an instruction stored in the memory and executable on the processor, and the program or the instruction, when executed by the processor, implements the steps of the method for canceling a transmission according to the third aspect.

In a seventh aspect, this application embodiment provides a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the method for canceling transmission according to the first aspect, or implement the steps of the method for canceling transmission according to the third aspect.

In an eighth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to run a network-side device program or an instruction, to implement the method for cancelling transmission in an unlicensed frequency band according to the first aspect, or to implement the method for cancelling transmission in an unlicensed frequency band according to the third aspect.

In the embodiment of the application, the terminal can cancel transmission on the target interlace in the unlicensed frequency band according to the CI, so that the problem of transmission failure caused by scheduling conflict of the unlicensed frequency band can be avoided, and the service transmission reliability of the unlicensed frequency band is improved.

Drawings

FIG. 1 illustrates a block diagram of a wireless communication system to which embodiments of the present application are applicable;

FIG. 2 is a flow chart illustrating a method of canceling a transmission according to an embodiment of the present application;

fig. 3 is a flowchart illustrating a method for canceling a transmission at a terminal in an embodiment of the present application;

FIG. 4 is a flow chart illustrating a method according to example one of the embodiments of the present application;

FIG. 5 is a flow chart illustrating a method of example two in an embodiment of the present application;

FIG. 6 shows a schematic flow chart of a method of example three in an embodiment of the present application;

FIG. 7 shows a schematic flow chart of a method of example four in an embodiment of the present application;

FIG. 8 shows a schematic flow chart of a method of example five in an embodiment of the present application;

fig. 9 is a flowchart illustrating a method for canceling transmission by a network device in an embodiment of the present application;

fig. 10 is a schematic structural diagram of a terminal-side apparatus for canceling transmission in an embodiment of the present application;

fig. 11 is a schematic structural diagram illustrating an apparatus for canceling transmission of a network side device in an embodiment of the present application;

fig. 12 is a schematic structural diagram of a communication device according to an embodiment of the present application;

fig. 13 is a schematic diagram of a hardware structure of a terminal according to an embodiment of the present application;

fig. 14 is a schematic diagram of a hardware structure of a network device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used are interchangeable under appropriate circumstances such that embodiments of the application can be practiced in sequences other than those illustrated or described herein, and the terms "first" and "second" used herein generally do not denote any order, nor do they denote any order, for example, the first object may be one or more. In addition, "and/or" in the specification and the claims means at least one of connected objects, and a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It is noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, but may also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described techniques can be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. However, the following description describes a New Radio (NR) system for purposes of example, and NR terminology is used in much of the description below, although the techniques may also be applied to applications other than NR system applications, such as 6 th generation (6 th generation)^thGeneration, 6G) communication system.

Fig. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network-side device 12. Wherein, the terminal 11 may also be called as a terminal Device or a User Equipment (UE), the terminal 11 may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer) or a notebook Computer, a Personal Digital Assistant (PDA), a palmtop Computer, a netbook, an ultra-Mobile Personal Computer (UMPC), a Mobile Internet Device (MID), a Wearable Device (Wearable Device) or a Vehicle-mounted Device (Vehicle User Equipment, VUE), a Pedestrian terminal (Pedestrian User Equipment, PUE), and other terminal side devices, the Wearable Device includes: bracelets, earphones, glasses and the like. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11. The network-side device 12 may be a Base Station or a core network, where the Base Station may be referred to as a node B, an evolved node B, an access Point, a Base Transceiver Station (BTS), a radio Base Station, a radio Transceiver, a Basic Service Set (BSS), an Extended Service Set (ESS), a node B, an evolved node B (eNB), a home node B, a WLAN access Point, a WiFi node, a Transmit Receiving Point (TRP), or some other suitable terminology in the field, as long as the same technical effect is achieved, the Base Station is not limited to a specific technical vocabulary, and it should be noted that, in the embodiment of the present application, only the Base Station in the NR system is taken as an example, but a specific type of the Base Station is not limited.

In the transmission scene of the unauthorized frequency band, in order to improve the resource utilization rate of the unauthorized frequency band, the unauthorized frequency band can be shared between the terminal and the base station and between the terminal and the terminal. When a plurality of terminals are in scheduling conflict, the terminals try to access the channel, which may cause the problems that the channel preemption fails and the terminals cannot perform transmission. The embodiments of the present application provide a method for canceling transmission in an unlicensed frequency band, which will be described below with reference to the accompanying drawings.

As shown in fig. 2, the method for canceling transmission in an unlicensed frequency band according to the embodiment of the present application includes the following steps:

step 21: and the network side equipment sends a cancel instruction CI to the terminal.

Wherein the CI is used to instruct the terminal to cancel a previously scheduled transmission or to instruct the terminal to cancel a previously scheduled transmission. Specifically, if the previously scheduled transmission falls within the resource range indicated by the CI, the terminal will cancel the previously scheduled transmission or determine that the previously scheduled transmission is cancelled. Optionally, the network side device may send the CI through Downlink Control Information (DCI), for example, through DCI format 2_4(DCI format 2_ 4).

Step 22: the terminal receives the CI.

Accordingly, the terminal may receive the CI based on the DCI. Optionally, a terminal identification (UE ID) or terminal group identification (UE group ID) may be carried in the CI to indicate which terminal or terminals cancel transmission within the specified resource range.

Step 23: and the terminal cancels the uplink transmission on the target interlace according to the CI.

Wherein the target interlace is determined according to the CI. Optionally, interlace indication information may be carried in the CI to indicate which interlace the terminal cancels transmission on. Wherein, the interleaving indication information includes but is not limited to: reference time region, time domain granularity, reference frequency region, and frequency domain granularity, etc.

Optionally, the method for canceling transmission according to the embodiment of the present application further includes: the network side device sends the configuration information of the CI through Radio Resource Control (RRC), and accordingly, the terminal receives the configuration information of the CI through RRC. Wherein, the configuration information carries at least some selectable values of the parameters in the CI. For example, the information such as the reference time region, the time domain granularity, the reference frequency region, the frequency domain granularity, and the like may be configured by the network side device through higher layer signaling, for example, a set of parameter selectable values is configured through RRC, and then the CI carried by DCI indicates which interlace transmission needs to be cancelled.

Therefore, when a plurality of terminals conflict in scheduling, the network side equipment can instruct the terminals to cancel the transmission on the conflict resources through the CI, so that the transmission of the specific terminals on the conflict resources is ensured, and the transmission reliability of the specific terminals is ensured. In addition, CI is based on interleaving granularity indication, so that transmission on other interleaving is not influenced, and cancellation of transmission on non-conflict interleaving can be avoided, thereby ensuring resource utilization rate of an unauthorized frequency band.

The method for canceling transmission in an unlicensed frequency band according to the embodiment of the present application will be further described below with reference to the accompanying drawings, through a specific embodiment and an application scenario thereof, from a terminal side and a network side device side.

As shown in fig. 3, the method for canceling transmission in an unlicensed frequency band according to the embodiment of the present application is applied to a terminal, and includes:

step 31: the terminal acquires a cancel instruction CI.

The CI is used to instruct the terminal to cancel all or part of previously scheduled transmissions. Specifically, if the previously scheduled transmission falls within the resource range indicated by the CI, the terminal will cancel all or part of the previously scheduled transmission.

Optionally, the CI comprises at least one of the following parameters: the CI includes a number of bits, a reference time region (reference time region), a time domain granularity (time domain granularity), a reference frequency region (reference frequency region), and a frequency domain granularity (frequency domain granularity). In addition, identification information of the terminal for indicating which terminal cancels transmission or for indicating which terminal to cancel transmission may be included in the CI.

Step 32: and the terminal cancels the uplink transmission on the target interlace according to the CI.

After the terminal acquires the CI, based on a target interlace (interlace) indicated by the CI, uplink transmission on the target interlace is determined to be cancelled, so that normal transmission of other terminals on the target interlace is prevented from being influenced. Or, the embodiment of the present application may also be applied to cancel downlink transmission, and cancel downlink transmission on a target discrete resource according to the CI, that is, determine that the network side device cancels downlink transmission on the target discrete resource based on the target discrete resource indicated by the CI, thereby avoiding unnecessary data receiving and demodulating operations. Optionally, step 32 comprises: and if the transmission resource of the uplink transmission is overlapped with the target interlace indicated by the CI, canceling the uplink transmission on the target interlace. Or, if the transmission resource of the downlink transmission overlaps with the target discrete resource indicated by the CI, the downlink transmission on the target discrete resource is excluded during decoding. That is, if part or all of the resources of any RB in any interlace of a terminal overlap with the time-frequency resources indicated by the CI, the terminal cancels the transmission of the interlace. Specifically, it is possible to cancel the transmission on the overlapped part of the resource in the interlace, or cancel the transmission on the whole interlace, that is, include the non-overlapped part of the interlace. It should be noted that if a scheduled resource of a terminal is indicated by CI to be cancelled, then if a guard band (GuardBand) is configured, its configured resource of GuardBand is also cancelled.

It is worth pointing out that the method for canceling downlink transmission in the embodiments of the present application is applicable to canceling uplink transmission and also applicable to canceling downlink transmission, where a scheme for canceling downlink transmission is similar to a scheme for canceling uplink transmission, so that the embodiments of the present application only use canceling uplink transmission as an exemplary description, and a person skilled in the art can understand that a specific implementation manner for canceling downlink transmission may refer to an implementation manner for canceling uplink transmission, and thus details are not described again.

In the embodiment of the present application, for the authorized frequency band, in order to improve the resource utilization rate, inter-terminal multiplexing (inter UE multiplexing) is introduced, and when scheduling conflict occurs between terminals, the network side device may instruct some terminals to cancel the already scheduled service, so as to be used for transmitting the service with higher priority that suddenly arrives. The network side equipment sends the uplink CI indication through the DCI, and if the allocated resources of the terminal scheduled before fall in the time-frequency region indicated by the CI, the terminal cancels the transmission scheduled before. The resources indicated by the CI are allocated based on resources of a 2D bitmap (bitmap), for example, time domain resources and frequency domain resources are respectively indicated by 2 bits by 3 bits. For the unlicensed frequency band, a CI indication manner similar to the licensed frequency band may be adopted, as shown in fig. 4, assuming that a subcarrier interval is 15kHz, if a CI indication manner of 2 bits by 3 bits is adopted, a region indicated by the CI indicates 2 symbols in a time domain, and indicates 3 Physical Resource Blocks (PRBs) or Resource Blocks (RBs) in a frequency domain, that is, RB1, RB2, and RB3, where terminal 1, terminal 2, terminal 3, and terminal 4 schedule 4 interlaces in an interleaving manner, and when there is a terminal having a scheduling conflict with other terminals among the 4 terminals, the network side device may send the CI to indicate the corresponding terminal to cancel transmission, where when at least 1 interlace of a certain terminal overlaps with the Resource indicated by the CI, the terminal needs to cancel transmission on the corresponding interlaces.

As shown in fig. 4, if the granularity of the time-frequency domain indicated by the CI is relatively coarse, for example, the granularity of the frequency domain is 3 RBs, one interlace is scheduled for each of 3 interlaces, if only one terminal has a scheduling conflict, even if the scheduling of the remaining two interlaces does not conflict, if the CI indicates to cancel, all of the 3 terminals need to cancel transmission, which causes that the terminal that does not need to cancel cancels the scheduled transmission based on the indication of the CI, and causes the resource utilization to be reduced.

Since the unlicensed spectrum is usually in 20MHz units, the available interlaces are related to Sub-Carrier Space (SCS), and different numbers of interlaces correspond to different subcarriers. Taking the subcarrier interval as 15kHz as an example, there are 10 interlaces in total, and if each interlace is to be indicated, the number of indication bits required by the frequency domain granularity indicated by the CI is greater than or equal to 10; taking the subcarrier spacing of 30kHz as an example, there are 5 interlaces in total, and if each interlace is to be indicated, the number of indication bits required for the frequency domain granularity indicated by the CI is greater than or equal to 5.

Optionally, the CI includes a number of bits, a time domain granularity, and a frequency domain granularity that satisfy one of the following relationships: the CI contains the number of bits as: the product of the time domain granularity and the frequency domain granularity; alternatively, the CI includes the following bits: the sum of the time-domain granularity and the frequency-domain granularity, e.g., a cancellation indication in the frequency domain, applies to all time-domain symbols. Assume that CI contains N number of bits_CIThe number of bits of the time domain granularity is G_CIThe number of bits of the frequency domain granularity is N_BIThen N_CI＝G_CI×N_BIThat is, N_BI＝N_CI/G_CI。

The frequency domain granularity may be configured by the network side device, predefined, or determined according to the number of bits contained in the CI and the time domain granularity. E.g. frequency domain granularity N_BIConfigured by RRC, the number of bits of CI is equal to the number of bits of frequency domain granularity multiplied by the number of bits of time domain granularity. For 15kHz, cancelled interlaces are indicated by 10 bits in bitmap form; for 30kHz, cancelled interlaces are indicated by 5 bits in the form of bitmaps. Alternatively, N is obtained by calculation_BI＝N_CI/G_CIGuarantee N_BIThe number of bits is 10(15kHz) or 5(30Khz) or more. For 15kHz, N_BI≥10，N_BIThe first 10 bits of the Most Significant Bit (MSB) or Least Significant Bit (LSB) of the data, indicating each interlace in the form of a bitmap; for 30kHz, N_BI≥5，N_BIThe MSB or the first 5 bits of the LSB of (1), each interlace is indicated in bitmap form.

The above takes CI on one resource block set (RB set) as an example, and can be performed in a similar manner when there are n RB sets that need to be de-transmitted. Specifically, in a case where one carrier includes a plurality of resource block sets, the step of obtaining the cancel indication CI includes: obtaining CI corresponding to each of a plurality of resource block sets; according to the CI, the step of canceling the uplink transmission on the target interlace comprises the following steps: and canceling uplink transmission on the corresponding target interweave according to the CI corresponding to each resource block set. That is, when there are n RB sets that need to be cancelled, the DCI carrying the CI includes cancellation indication information for each RB set.

Assuming that the CIs of the N carriers are indicated by the same DCI, as shown in fig. 5, the DCI carrying the CIs includes the CIs of the N carriers, one carrier has N RB sets, and the CI corresponding to one carrier includes N CIs indicating the RB sets, e.g., the CI includes N RBs sets. N _1, …, N _ N may represent CIs of N sets of RBs.

Or, in the case that one carrier includes at least one resource block set, the step of obtaining the cancel indication CI includes: acquiring a reference CI corresponding to at least one resource block set; according to the CI, the step of canceling the uplink transmission on the target interlace comprises the following steps: and canceling uplink transmission on the corresponding target interlace according to the reference CI. That is to say, when N RB sets need to perform cancellation indication, DCI carrying CI only includes cancellation indication information of one reference RB set, and the cancellation indication of the reference RB set is used for all RB sets, and if one terminal monitors that CI information of the reference RB set overlaps with scheduled interlace, the terminal cancels scheduled uplink transmission.

Assuming that the CIs of the N carriers are indicated by the same DCI, as shown in fig. 6, the DCI carrying the CIs includes the CIs of the N carriers, one carrier has N RB sets, and the CI corresponding to one carrier includes 1 CI referenced by the RB set. If a terminal receives the CI indication, any interlace scheduled by the terminal overlaps with any interlace in the RB set reference indicated by the CI, and the terminal cancels the corresponding transmission. The RB set reference may not be an actual RB set, and the indication of cancellation of the RB set may be considered valid for any RB set on a carrier or BWP.

Further, the CI indication may further include an RB set indication (indication) in addition to the RB set reference to indicate to which RB sets the CI is acting on. As shown in fig. 7, the DCI carrying the CI includes CIs of N carriers, N RB sets under one carrier, CI corresponding to one carrier includes 1 reference to RB sets, and RB set indication indicating which RB sets the CI takes effect. Assuming that the network side device configures 5 RB sets, the CI includes a 5-bit RB set indication field to indicate the scope of action of the cancel indication, i.e., on which RB sets are valid. E.g., the RB set indication field is 00101, a cancel indication is applied to the third and fifth RB sets, and if the resource scheduled by the terminal overlaps with the resource corresponding to the third or fifth RB set, the transmission is canceled.

Further, the CI may also include only RB set indications to indicate for which RB sets the cancel indication is. As shown in fig. 8, the DCI carrying the CI includes CIs of N carriers, N RB sets are provided under one carrier, and the CI corresponding to one carrier includes RB set indications indicating which RB sets the CI takes effect. Assuming that the network side device configures 5 RB sets, the CI includes a 5-bit RB set indication field to indicate the scope of action of the cancel indication, i.e., on which RB sets are valid. E.g., the RB set indication field is 00101, a cancel indication is applied to the third and fifth RB sets, and if the terminal is scheduled on the third or fifth RB set, the transmission will be canceled.

In addition, the CI of the embodiment of the application is specific to the interleaving, when the CI is obtained, only uplink transmission on the target interleaving indicated by the CI needs to be cancelled, and uplink transmission on the whole resource does not need to be cancelled, so that the resource utilization rate of the unauthorized frequency band can be increased.

The method for canceling transmission in the present application is introduced from the terminal side, and the method for canceling transmission is further described below with reference to the accompanying drawings from the network side device.

As shown in fig. 9, an embodiment of the present application provides a method for canceling transmission, including the following steps:

step 91: and the network side equipment sends a cancellation indication CI, wherein the CI is used for indicating the cancellation of the target interleaving of the uplink transmission.

Wherein the CI is used to instruct the terminal to cancel a previously scheduled transmission or to instruct the terminal to cancel a previously scheduled transmission. Optionally, the network side device may transmit the CI through DCI. Wherein the CI comprises at least one of the following parameters: the CI contains the number of bits, the reference time region, the time domain granularity, the reference frequency region, and the frequency domain granularity. In addition, identification information of the terminal for indicating which terminal cancels transmission or for indicating which terminal to cancel transmission may be included in the CI.

Optionally, the method for canceling transmission according to the embodiment of the present application further includes: and the network side equipment sends the configuration information of the CI through the RRC, wherein the configuration information carries the selectable values of at least part of parameters in the CI. For example, the information such as the reference time region, the time domain granularity, the reference frequency region, the frequency domain granularity, and the like may be configured by the network side device through higher layer signaling, for example, a set of parameter selectable values is configured through RRC, and then the CI carried by DCI indicates which interlace transmission needs to be cancelled.

Further, the CI includes a number of bits, a time domain granularity, and a frequency domain granularity that satisfy one of the following relationships: the CI contains the number of bits as: the product of the time domain granularity and the frequency domain granularity; the CI contains the number of bits as: the sum of the time domain granularity and the frequency domain granularity. The frequency domain granularity may be configured by the network side device, predefined, or determined according to the number of bits contained in the CI and the time domain granularity. The specific determination method can refer to the terminal-side embodiment, and thus is not described herein again.

Optionally, step 91 may comprise: before uplink transmission, CI is sent to ensure that the terminal receives CI for indicating to cancel the uplink transmission before the uplink transmission is carried out, and the uplink transmission is cancelled at the same time to ensure the transmission of other terminals.

In addition, the CI of the embodiment of the application aims at the interleaving, when the CI is obtained, only the uplink transmission on the target interleaving indicated by the CI needs to be cancelled, but the uplink transmission on the whole resource does not need to be cancelled, so that the resource utilization rate of the unauthorized frequency band can be improved.

It should be noted that, in the method for canceling transmission provided in the embodiment of the present application, the execution subject may be a device for canceling transmission in an unlicensed frequency band, or a control module in the device for canceling transmission in an unlicensed frequency band, where the control module is used to execute the method for canceling transmission in the unlicensed frequency band. The method for canceling transmission in the unlicensed frequency band by the apparatus for canceling transmission in the unlicensed frequency band in the embodiment of the present application is taken as an example to describe the apparatus for canceling transmission in the unlicensed frequency band provided in the embodiment of the present application.

The embodiment of the present application provides an apparatus for canceling transmission, as shown in fig. 10, the apparatus 100 includes:

a first obtaining module 101, configured to obtain a cancel indication CI;

a first processing module 102, configured to cancel uplink transmission on a target interlace according to the CI, where the target interlace is determined according to the CI.

Optionally, the CI comprises at least one of the following parameters: the CI contains the number of bits, the reference time region, the time domain granularity, the reference frequency region, and the frequency domain granularity.

Optionally, the frequency domain granularity is related to the subcarrier spacing SCS, wherein,

in the case of 15kHz SCS, the frequency domain granularity is greater than or equal to 10;

in the case of 30kHz SCS, the frequency domain granularity is greater than or equal to 5.

Optionally, the CI includes a number of bits, a time domain granularity, and a frequency domain granularity that satisfy the following relationship:

the CI contains the number of bits as: the product of the time domain granularity and the frequency domain granularity;

the CI contains the number of bits as: the sum of the time domain granularity and the frequency domain granularity.

Optionally, the frequency domain granularity is configured by the network side device, predefined, or determined according to the number of bits contained in the CI and the time domain granularity.

Optionally, the first obtaining module 101 includes:

and the first receiving unit is used for receiving the CI through the downlink control information DCI.

Optionally, the apparatus for canceling transmission further includes: the first receiving module is configured to receive configuration information of the CI through a radio resource control RRC, where the configuration information carries selectable values of at least some parameters in the CI.

Optionally, the first processing module 102 includes:

and the first processing unit is used for canceling the uplink transmission on the target interlace if the transmission resource of the uplink transmission overlaps with the target interlace indicated by the CI.

Alternatively, in the case where one carrier contains a plurality of resource block sets,

the first acquisition module 101 includes: a first obtaining unit, configured to obtain CIs corresponding to each of the plurality of resource block sets;

the first processing module 102 includes: and the first canceling unit is used for canceling uplink transmission on the corresponding target interlace according to the CI corresponding to each resource block set.

Optionally, in case that one carrier contains at least one resource block set,

the first acquisition module 101 includes: a second obtaining unit, configured to obtain a reference CI corresponding to at least one resource block set;

the first processing module 102 includes: and the second canceling unit is used for canceling the uplink transmission on the corresponding target interlace according to the reference CI.

The device for canceling transmission in an unlicensed frequency band, provided in the embodiment of the present application, is applied to a terminal side, and can implement each process implemented by the method embodiment of fig. 3, and achieve the same technical effect, and is not described here again to avoid repetition.

The embodiment of the present application provides an apparatus for canceling transmission, as shown in fig. 11, where the apparatus 110 includes:

and a first sending module 111, configured to send a cancellation indication CI, where the CI is used to indicate cancellation of a target interlace of uplink transmission.

Optionally, the first sending module 111 includes:

and a first sending unit, configured to send the CI through the downlink control information DCI.

Optionally, the apparatus for canceling transmission further includes: and the second sending module is used for sending the configuration information of the CI through the radio resource control RRC, wherein the configuration information carries the selectable values of at least part of parameters in the CI.

Optionally, the first sending module 111 is specifically configured to:

the CI is sent prior to the uplink transmission.

The apparatus for canceling transmission provided in this embodiment of the present application is applied to a network side device, and can implement each process implemented in the method embodiment of fig. 9, and achieve the same technical effect, and is not described here again to avoid repetition.

The apparatus for canceling transmission in the embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal or a network side device. The device can be a mobile terminal or a non-mobile terminal. By way of example, the mobile terminal may include, but is not limited to, the above-listed type of terminal 11, and the non-mobile terminal may be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a Television (TV), a teller machine, a kiosk, or the like, and the embodiments of the present application are not limited in particular.

The device for canceling transmission in the unlicensed frequency band in the embodiment of the present application may be a device having an operating system. The operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, and embodiments of the present application are not limited specifically.

Further, as shown in fig. 12, an embodiment of the present application further provides a communication device 1200, which includes a processor 1201, a memory 1202, and a program or an instruction stored in the memory 1202 and executable on the processor 1201, for example, when the communication device 1200 is a terminal, the program or the instruction is executed by the processor 1201 to implement the processes of the foregoing method embodiment for canceling transmission, and the same technical effect can be achieved. When the communication device 1200 is a network-side device, the program or the instruction is executed by the processor 1201 to implement the processes of the above-described method for canceling transmission, and the same technical effect can be achieved, and details are not described here to avoid repetition.

Fig. 13 is a schematic hardware structure diagram of a terminal for implementing the embodiment of the present application.

The terminal 1300 includes but is not limited to: a radio frequency unit 1301, a network module 1302, an audio output unit 1303, an input unit 1304, a sensor 1305, a display unit 1306, a user input unit 1307, an interface unit 1308, a memory 1309, a processor 1310, and the like.

Those skilled in the art will appreciate that terminal 1300 may also include a power supply (e.g., a battery) for powering the various components, which may be logically coupled to processor 1310 via a power management system to manage charging, discharging, and power consumption management functions via the power management system. The terminal structure shown in fig. 13 does not constitute a limitation of the terminal, and the terminal may include more or less components than those shown, or combine some components, or have a different arrangement of components, and thus will not be described again.

It should be understood that in the embodiment of the present application, the input Unit 1304 may include a Graphics Processing Unit (GPU) 13041 and a microphone 13042, and the Graphics processor 13041 processes image data of still pictures or videos obtained by an image capturing apparatus (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1306 may include a display panel 13061, and the display panel 13061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1307 includes a touch panel 13071 and other input devices 13072. A touch panel 13071, also referred to as a touch screen. The touch panel 13071 may include two parts, a touch detection device and a touch controller. Other input devices 13072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.

In this embodiment of the application, the radio frequency unit 1301 receives downlink data from a network side device and then processes the downlink data to the processor 1310; in addition, the uplink data is sent to the network side equipment. In general, radio unit 1301 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

Memory 1309 may be used to store software programs or instructions as well as various data. The memory 1309 may mainly include a stored program or instruction area and a stored data area, wherein the stored program or instruction area may store an operating system, an application program or instruction (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like. Further, the Memory 1309 may include a high-speed random access Memory, and may also include a nonvolatile Memory, where the nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), or a flash Memory. Such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.

Processor 1310 may include one or more processing units; alternatively, the processor 1310 may integrate an application processor, which mainly handles operating systems, user interfaces, and applications or instructions, etc., and a modem processor, which mainly handles wireless communications, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into processor 1310.

The radio frequency unit 1301 is configured to obtain a cancel indication CI.

A processor 1310 configured to cancel uplink transmission on a target interlace based on the CI, wherein the target interlace is determined based on the CI.

Optionally, the radio frequency unit 1301 is further configured to receive the CI through downlink control information DCI.

Optionally, the radio frequency unit 1301 is further configured to receive configuration information of the CI through a radio resource control RRC, where the configuration information carries selectable values of at least some parameters in the CI.

The processor 1310 is further configured to cancel the uplink transmission on the target interlace if the transmission resource of the uplink transmission overlaps the target interlace indicated by the CI.

The radio frequency unit 1301 is further configured to, when one carrier includes multiple resource block sets, obtain CIs corresponding to the multiple resource block sets; the processor 1310 is further configured to cancel uplink transmission on the corresponding target interlace according to the CI corresponding to each resource block set.

The radio frequency unit 1301 is further configured to acquire a reference CI corresponding to at least one resource block set when one carrier includes the at least one resource block set; the processor 1310 is further configured to cancel uplink transmission on the corresponding target interlace according to the reference CI.

Further, the embodiment of the application also provides a network side device. As shown in fig. 14, the network device 1400 includes: antenna 141, radio frequency device 142, baseband device 143. The antenna 141 is connected to the radio frequency device 142. In the uplink direction, the rf device 142 receives information through the antenna 141 and transmits the received information to the baseband device 143 for processing. In the downlink direction, the baseband device 143 processes the information to be transmitted and transmits the processed information to the rf device 142, and the rf device 142 processes the received information and transmits the processed information via the antenna 141, for example, transmits a cancellation instruction CI, which is used to instruct to cancel the uplink transmission on the target interlace.

The above-mentioned band processing means may be located in the baseband device 143, and the method performed by the network side device in the above embodiment may be implemented in the baseband device 143, where the baseband device 143 includes the processor 144 and the memory 145.

The baseband device 143 may include, for example, at least one baseband board, on which a plurality of chips are disposed, as shown in fig. 14, wherein one of the chips, for example, the processor 144, is connected to the memory 145 to call the program in the memory 145 to perform the network device operation shown in the above method embodiment.

The baseband device 143 may further include a network interface 146 for exchanging information with the radio frequency device 142, such as a Common Public Radio Interface (CPRI).

Specifically, the network side device of the embodiment of the present invention further includes: the instructions or programs stored in the memory 145 and capable of being executed on the processor 144, the processor 144 calls the instructions or programs in the memory 145 to execute the method executed by each module shown in fig. 11, and achieve the same technical effect, and are not described herein in detail to avoid repetition.

The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the method for canceling transmission in the unlicensed frequency band, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.

Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.

The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network-side device program or an instruction, so as to implement each process of the method embodiment for canceling transmission in the unlicensed frequency band, and achieve the same technical effect, and in order to avoid repetition, the details are not repeated here.

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

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A method of canceling a transmission, comprising:

acquiring a cancel instruction CI;

canceling uplink transmission on a target interlace according to the CI, wherein the target interlace is determined according to the CI.

2. The method of canceling transmission according to claim 1, wherein the CI comprises at least one of the following parameters: the CI contains the number of bits, the reference time region, the time domain granularity, the reference frequency region, and the frequency domain granularity.

3. The method of cancelling transmission of claim 2, wherein the frequency domain granularity is related to a subcarrier spacing, SCS, wherein,

in the case that the SCS is 15kHz, the number of the indication bits of the frequency domain granularity is greater than or equal to 10;

in the case that the SCS is 30kHz, the number of indication bits of the frequency domain granularity is greater than or equal to 5.

4. The method of claim 2 or 3, wherein the CI comprises a number of bits, the time-domain granularity and the frequency-domain granularity, which satisfy the following relationship:

the CI comprises the following bit numbers: a product of the time domain granularity and the frequency domain granularity.

5. The method of claim 4, wherein the frequency-domain granularity is configured by a network-side device, predefined, or determined according to the number of bits contained in the CI and the time-domain granularity.

6. The method of claim 1 or 2, wherein the step of obtaining a cancellation indication CI comprises:

and receiving the CI through Downlink Control Information (DCI).

7. The method of canceling transmission according to claim 6, further comprising: and receiving configuration information of the CI through a Radio Resource Control (RRC), wherein the configuration information carries at least part of optional values of the parameters in the CI.

8. The method of claim 1, wherein the step of canceling uplink transmission on the target interlace according to the CI comprises:

and if the transmission resource of the uplink transmission is overlapped with the target interlace indicated by the CI, canceling the uplink transmission on the target interlace.

9. The method of canceling transmission according to claim 1, wherein in case that one carrier contains a plurality of resource block sets,

the step of obtaining the cancel indication CI includes: obtaining CI corresponding to each of the plurality of resource block sets;

the step of canceling uplink transmission on the target interlace according to the CI includes: and canceling uplink transmission on the corresponding target interweave according to the CI corresponding to each resource block set.

10. The method of canceling transmission according to claim 1, wherein in case that one carrier contains at least one resource block set,

the step of obtaining the cancel indication CI includes: acquiring a reference CI corresponding to the at least one resource block set;

the step of canceling uplink transmission on the target interlace according to the CI includes: and canceling uplink transmission on the corresponding target interlace according to the reference CI.

11. A method of canceling a transmission, comprising:

12. The method of canceling transmission according to claim 11, wherein the CI comprises at least one of the following parameters: the CI contains the number of bits, the reference time region, the time domain granularity, the reference frequency region, and the frequency domain granularity.

13. The method of canceling transmission according to claim 12, wherein the frequency domain granularity is related to a subcarrier spacing, SCS,

in the case of 30kHz for the SCS, the frequency domain granularity is greater than or equal to 5.

14. The method of claim 12 or 13, wherein the CI comprises a number of bits, the time-domain granularity and the frequency-domain granularity, which satisfy the following relationship:

15. The method of claim 14, wherein the frequency-domain granularity is configured by a network-side device, predefined, or determined according to the number of bits contained in the CI and the time-domain granularity.

16. The method of claim 11 or 12, wherein the step of sending a cancellation indication CI comprises:

and transmitting the CI through Downlink Control Information (DCI).

17. The method of canceling transmission according to claim 16, further comprising: and sending configuration information of the CI through a Radio Resource Control (RRC), wherein the configuration information carries at least part of optional values of the parameters in the CI.

18. The method of claim 11, wherein the step of sending a cancellation indication CI comprises:

transmitting the CI prior to the uplink transmission.

19. An apparatus for canceling a transmission, comprising:

the first acquisition module is used for acquiring a cancel indication CI;

and the first processing module is used for canceling uplink transmission on a target interlace according to the CI, wherein the target interlace is determined according to the CI.

20. The apparatus for canceling a transmission according to claim 19, wherein the CI comprises at least one of the following parameters: the CI contains the number of bits, the reference time region, the time domain granularity, the reference frequency region, and the frequency domain granularity.

21. The apparatus for canceling transmission according to claim 20, wherein the frequency domain granularity is related to a subcarrier spacing, SCS,

22. The apparatus for canceling transmission according to claim 20 or 21, wherein the CI comprises a number of bits, the time-domain granularity and the frequency-domain granularity, which satisfy the following relationship:

23. The apparatus for canceling transmission according to claim 22, wherein the frequency-domain granularity is configured by a network side device, predefined, or determined according to the number of bits included in the CI and the time-domain granularity.

24. The apparatus for canceling transmission according to claim 19 or 20, wherein the first obtaining module comprises:

and the first receiving unit is used for receiving the CI through downlink control information DCI.

25. The apparatus for canceling a transmission according to claim 24, further comprising: a first receiving module, configured to receive configuration information of the CI through a radio resource control RRC, where the configuration information carries selectable values of at least some parameters in the CI.

26. The apparatus for canceling a transmission according to claim 19, wherein the first processing module comprises:

a first processing unit, configured to cancel uplink transmission on the target interlace if the transmission resource of the uplink transmission overlaps with the target interlace indicated by the CI.

27. The apparatus for canceling transmission according to claim 19, wherein in case that one carrier contains a plurality of resource block sets,

the first obtaining module comprises: a first obtaining unit, configured to obtain CIs corresponding to the plurality of resource block sets;

the first processing module comprises: and the first canceling unit is used for canceling uplink transmission on the corresponding target interlace according to the CI corresponding to each resource block set.

28. The apparatus for canceling transmission according to claim 19, wherein in case that one carrier contains at least one resource block set,

the first obtaining module comprises: a second obtaining unit, configured to obtain a reference CI corresponding to the at least one resource block set;

the first processing module comprises: and the second canceling unit is used for canceling the uplink transmission on the corresponding target interlace according to the reference CI.

29. An apparatus for canceling a transmission, comprising:

the first sending module is used for sending a cancellation indication CI, and the CI is used for indicating the cancellation of the target interleaving of the uplink transmission.

30. The apparatus for canceling a transmission according to claim 29, wherein the CI comprises at least one of the following parameters: the CI contains the number of bits, the reference time region, the time domain granularity, the reference frequency region, and the frequency domain granularity.

31. The apparatus for canceling transmission according to claim 30, wherein the frequency domain granularity is related to a subcarrier spacing, SCS,

32. The apparatus for canceling transmission according to claim 30 or 31, wherein the CI comprises a number of bits, the time-domain granularity and the frequency-domain granularity, which satisfy the following relationship:

33. The apparatus for canceling transmission according to claim 32, wherein the frequency-domain granularity is configured by a network side device, predefined, or determined according to the number of bits contained in the CI and the time-domain granularity.

34. The apparatus for canceling transmission according to claim 30 or 31, wherein the first sending module comprises:

and the first sending unit is used for sending the CI through downlink control information DCI.

35. The apparatus for canceling a transmission according to claim 16, further comprising: a second sending module, configured to send, through a radio resource control RRC, configuration information of the CI, where the configuration information carries selectable values of at least some parameters in the CI.

36. The apparatus for canceling transmission according to claim 11, wherein the first sending module is specifically configured to:

transmitting the CI prior to the uplink transmission.

37. A terminal comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, the program or instructions when executed by the processor implementing the steps of the method of cancelling transmission of any one of claims 1 to 10.

38. A network-side device comprising a processor, a memory, and a program or instructions stored on the memory and executable on the processor, wherein the program or instructions, when executed by the processor, implement the steps of the method of cancelling transmission according to any one of claims 11 to 18.

39. A readable storage medium, on which a program or instructions are stored, which, when executed by the processor, implement the method of cancelling a transmission of any one of claims 1-10, or the steps of the method of cancelling a transmission of any one of claims 11-18.