CN115053482B - Unauthorized channel detection method, device, equipment and storage medium - Google Patents
Unauthorized channel detection method, device, equipment and storage medium Download PDFInfo
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Abstract
The present disclosure provides a method, an apparatus, a device, and a storage medium for detecting an unlicensed channel, where the method includes: determining a first detection mode corresponding to an unauthorized channel, wherein the first detection mode comprises: an omni-directional LBT detection mode or a directional LBT detection mode; and carrying out LBT detection on the unauthorized channel according to the determined first detection mode. In the disclosure, the base station device may detect the unlicensed channel in different manners, that is, may detect the unlicensed channel in an omni-directional LBT detection manner, and may detect the unlicensed channel in an omni-directional LBT detection manner. When the base station equipment adopts an omni-directional LBT detection mode, the coverage area can be improved, and when the base station equipment adopts a directional LBT detection mode, the power consumption can be saved. The base station equipment can use different detection modes under different application scenes, so as to meet different detection requirements.
Description
Technical Field
The disclosure relates to the technical field of wireless communication, and in particular relates to a method, a device, equipment and a storage medium for detecting an unauthorized channel.
Background
The radio spectrum resource is a limited and non-renewable natural resource, so that each country has a special management organization for the radio spectrum, and goes out of special policy and regulations to realize the unified planning management of the radio spectrum. At present, most of spectrum management in various countries adopts a fixed spectrum allocation strategy, namely spectrum resources are managed by government authorities and allocated to fixed authorized users, so that excessive mutual interference among users can be avoided, and the spectrum resources are better utilized. The current spectrum resources can be divided into two classes, licensed spectrum (Licensed Spectrum) and unlicensed spectrum (Unlicensed Spectrum).
Licensed spectrum is severely limited and protected, allowing access only to licensed users and their compliant devices.
Unlicensed frequency bands are rich in resources, but in order to guarantee fair coexistence between different radio access technologies (Radio Access Technology, RATs) using the frequency bands, a listen-before-talk (Listen before talk, LBT) technology based on clear channel detection (Clear Channel Assessment, CCA) is introduced, and introducing LBT into an unlicensed frequency band new air interface (New Radio Based Unlicensed Access, NR-U) is an important way to guarantee fair coexistence.
Disclosure of Invention
In view of this, the present disclosure provides a method, apparatus, device and storage medium for detecting an unlicensed channel.
According to a first aspect of embodiments of the present disclosure, there is provided a method for detecting an unlicensed channel, which is applied to a base station device, including:
determining a first detection mode corresponding to an unauthorized channel, wherein the first detection mode comprises: an omni-directional LBT detection mode or a directional LBT detection mode;
and carrying out LBT detection on the unauthorized channel according to the determined first detection mode.
In an embodiment, the determining the first detection mode corresponding to the unlicensed channel includes:
and determining a first detection mode corresponding to the unauthorized channel according to the type of the channel to be transmitted.
In an embodiment, the determining the first detection mode corresponding to the unlicensed channel includes:
and in response to the unlicensed channel being a broadcast channel or a multicast channel, determining that a first detection mode corresponding to the unlicensed channel is an omni-directional LBT detection mode.
In an embodiment, the determining the first detection mode corresponding to the unlicensed channel includes:
and in response to the unlicensed channel being a unicast channel, determining that a first detection mode corresponding to the unlicensed channel is a directional LBT detection mode or an omni-directional LBT detection mode.
In one embodiment, the method comprises:
and sending a message, wherein the message is used for indicating the relevant parameters of the directional beam used by the base station side for the unauthorized channel based on the directional LBT detection mode.
In one embodiment, the method comprises:
and sending first indication information for indicating the first detection mode to the user equipment.
In an embodiment, the sending, to the user equipment, first indication information for indicating the first detection mode includes:
and transmitting high-layer signaling in response to the unlicensed channel being a semi-statically scheduled unlicensed channel, wherein the high-layer signaling comprises first indication information for indicating the first detection mode.
In an embodiment, the sending, to the user equipment, first indication information for indicating the first detection mode includes:
and transmitting physical layer signaling in response to the unlicensed channel being a dynamically scheduled unlicensed channel, wherein the physical layer signaling comprises first indication information for indicating the first detection mode.
In one embodiment, the method further comprises:
and carrying out LBT detection assisted by a receiving end on the unauthorized channel according to the determined first detection mode, and sending a detection result to user equipment.
According to a second aspect of the embodiments of the present disclosure, there is provided a method for detecting an unlicensed channel, which is applied to a base station device, including:
transmitting second indication information for indicating a second detection mode to the user equipment, wherein the second detection mode is a detection mode used when the user equipment performs LBT detection on an unauthorized channel, and the second detection mode comprises: an omni-directional LBT detection scheme or a directional LBT detection scheme.
In one embodiment, the method comprises:
and sending a message, wherein the message is used for indicating relevant parameters of a directional beam used by the user equipment based on the directional LBT detection mode.
In one embodiment, the method comprises:
and receiving a detection result of the unauthorized channel detection by the user equipment according to the second detection mode.
In an embodiment, the sending, to the user equipment, second indication information for indicating the second detection mode includes:
and transmitting high-layer signaling in response to the unlicensed channel being a semi-statically scheduled unlicensed channel, wherein the high-layer signaling comprises second indication information for indicating the second detection mode.
Or,
and transmitting physical layer signaling in response to the unlicensed channel being a dynamically scheduled unlicensed channel, wherein the physical layer signaling comprises second indication information for indicating the second detection mode.
According to a third aspect of the embodiments of the present disclosure, there is provided a method for detecting an unlicensed channel, which is applied to a user equipment, including:
receiving second indication information for indicating a second detection mode from the base station device; the second detection mode comprises the following steps: an omni-directional LBT detection mode or a directional LBT detection mode;
and performing LBT detection on the unauthorized channel according to the second detection mode.
In an embodiment, the performing LBT detection on the unlicensed channel according to the second detection mode includes:
performing receiving-end-assisted LBT detection on the unauthorized channel according to a second detection mode;
the method comprises the following steps:
and sending the detection result to the base station equipment.
In one embodiment, the method comprises:
in response to the second detection mode being a directional LBT detection mode, receiving from the base station device a correlation parameter of the directional beam, the correlation parameter being indicative of a correlation parameter of a beam used by the terminal to transmit data.
In one embodiment, the method comprises:
receiving first indication information for indicating a first detection mode from base station equipment; the first detection mode comprises the following steps: an omni-directional LBT detection scheme or a directional LBT detection scheme.
In one embodiment, the method comprises:
and receiving a detection result of the auxiliary channel detection of the receiving end after the base station equipment carries out LBT detection on the unauthorized channel according to a first detection mode.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a detection apparatus for an unlicensed channel, which is applied to a base station device, including:
the determining module is configured to determine a first detection mode corresponding to the unauthorized channel, wherein the first detection mode comprises: an omni-directional LBT detection mode or a directional LBT detection mode;
and the first detection module is configured to perform LBT detection on the unauthorized channel according to the determined first detection mode.
According to a fifth aspect of the embodiments of the present disclosure, there is provided a detection apparatus for an unlicensed channel, which is applied to a base station device, including:
a fourth transmitting module, configured to transmit second indication information for indicating a second detection mode to the user equipment, where the second detection mode is a detection mode used by the user equipment when performing LBT detection on an unlicensed channel, and the second detection mode includes: an omni-directional LBT detection scheme or a directional LBT detection scheme.
According to a sixth aspect of the embodiments of the present disclosure, there is provided a detection apparatus for an unlicensed channel, which is applied to a user equipment, including:
A second receiving module configured to receive second indication information for indicating a second detection mode from the base station apparatus; the second detection mode comprises the following steps: an omni-directional LBT detection mode or a directional LBT detection mode;
and the third detection module is configured to perform LBT detection on the unauthorized channel according to the second detection mode.
According to a seventh aspect of the embodiments of the present disclosure, there is provided a base station apparatus including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute executable instructions in the memory to implement the steps of a method of detecting an unlicensed channel.
According to an eighth aspect of embodiments of the present disclosure, there is provided a user equipment, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute executable instructions in the memory to implement the steps of the method of detecting an unlicensed channel.
According to a ninth aspect of embodiments of the present disclosure, there is provided a non-transitory computer-readable storage medium having stored thereon executable instructions that, when executed by a processor, implement the steps of a method of detecting an unlicensed channel.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects: the base station device may detect the unlicensed channel in different manners, that is, may detect the unlicensed channel in an omni-directional LBT detection manner, and may detect the unlicensed channel in an omni-directional LBT detection manner. When the base station equipment adopts an omni-directional LBT detection mode, the coverage area can be improved, and when the base station equipment adopts a directional LBT detection mode, the power consumption can be saved. The base station equipment can use different detection modes under different application scenes, so as to meet different detection requirements.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
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The accompanying drawings, which are included to provide a further understanding of embodiments of the disclosure and are incorporated in and constitute a part of this application, illustrate embodiments of the disclosure and together with the description serve to explain the embodiments of the disclosure and not to limit the embodiments of the disclosure unduly. In the drawings:
the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the embodiments of the disclosure.
Fig. 1 is a flow chart illustrating a method of detecting an unlicensed channel according to an exemplary embodiment;
FIG. 2 is a flow chart illustrating a method of detecting an unlicensed channel according to an exemplary embodiment;
FIG. 3 is a flow chart illustrating a method of detecting an unlicensed channel according to an exemplary embodiment;
fig. 4 is a block diagram illustrating a detection apparatus of an unlicensed channel according to an exemplary embodiment;
fig. 5 is a block diagram of a detection apparatus for an unlicensed channel according to an exemplary embodiment;
fig. 6 is a block diagram of a detection apparatus for an unlicensed channel according to an exemplary embodiment;
fig. 7 is a block diagram of a detection apparatus for an unlicensed channel according to an exemplary embodiment;
fig. 8 is a block diagram illustrating a detection apparatus of an unlicensed channel according to an exemplary embodiment.
Detailed Description
Embodiments of the present disclosure will now be further described with reference to the drawings and 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 some aspects of the present disclosure as detailed in the accompanying claims.
When the transmitting end performs LBT detection on the unlicensed channel, an omni-directional LBT detection mode or a directional LBT detection mode can be adopted, so that a need exists for selecting whether to use the omni-directional LBT detection mode or the directional LBT detection mode.
In some possible scenarios: and the transmitting end performs LBT detection on the unauthorized channel, the detection result is that the channel interference is small, and data is transmitted on the unauthorized channel. However, the channel interference at the receiving end is large, and the receiving end cannot correctly demodulate the received data after receiving the data.
Therefore, a detection method assisted by the receiving end is proposed, specifically: the transmitting end performs LBT detection on the unauthorized channel to obtain a first detection result, the receiving end performs LBT detection on the unauthorized channel to obtain a second detection result, and the receiving end transmits the second detection result to the transmitting end. And after receiving the second detection result, the sending end carries out comprehensive evaluation according to the first detection result and the second detection result, determines whether to access an unauthorized channel according to the comprehensive evaluation result, and sends data through the unauthorized channel after accessing the unauthorized channel.
By adopting the auxiliary detection mode of the receiving end, the condition that the interference level of the unauthorized channel detected by the receiving end is inconsistent with the interference level of the unauthorized channel detected by the transmitting end LBT can be detected in advance.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to base station equipment. Referring to fig. 1, fig. 1 is a flowchart illustrating a method for detecting an unlicensed channel according to an exemplary embodiment, and as shown in fig. 1, the method includes:
step S11, determining a first detection mode corresponding to an unlicensed channel, where the first detection mode includes: an omni-directional LBT detection scheme or a directional LBT detection scheme.
And step S12, performing LBT detection on the unauthorized channel according to the determined first detection mode.
In one embodiment, the omni-directional LBT detection mode includes using an omni-directional antenna for LBT detection and the directional LBT detection mode includes using a directional antenna for LBT detection. The radiation direction of the directional antenna is directed in a specific narrower direction.
In one embodiment, the omni-directional LBT detection mode includes LBT detection using an omni-directional transmission mode of a plurality of directional antennas, and the directional LBT detection mode includes LBT detection using a directional transmission mode of one or more directional antennas. Wherein the directional transmission mode of the directional antenna has a radiation direction directed in a specific narrower direction than the omnidirectional transmission modes of the plurality of directional antennas. In some embodiments, the directional LBT detection scheme includes directional transmission modes of one or more directional antennas, depending on the performance of the antennas.
In this embodiment, the base station device may detect the unlicensed channel in different manners, that is, may detect the unlicensed channel in an omni-directional LBT detection manner, or may detect the unlicensed channel in an omni-directional LBT detection manner. When the base station equipment adopts an omni-directional LBT detection mode, the coverage area can be improved; when the directional LBT detection mode is adopted, the power consumption can be saved. The base station equipment can use different detection modes under different application scenes, so as to meet different detection requirements.
Specifically, any manner in the embodiments of the present disclosure may be adopted to determine the first detection manner corresponding to the unlicensed channel, which is not described herein. For example, it may be determined according to the type of unlicensed channel; as another example, it may be specified by the base station; as another example, it may be negotiated by a base station and a user equipment; also for example, it may be determined according to a communication protocol.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to base station equipment. The method comprises the following steps:
determining a first detection mode corresponding to an unauthorized channel according to the type of the channel to be transmitted; the first detection mode comprises the following steps: an omni-directional LBT detection mode or a directional LBT detection mode;
And carrying out LBT detection on the unauthorized channel according to the determined first detection mode.
In one embodiment, in response to the unlicensed channel being a broadcast channel or a multicast channel, it is determined that the first detection mode corresponding to the unlicensed channel is an omni-directional LBT detection mode. For example: the unlicensed channel is the following broadcast channel or multicast channel: channels for transmitting SSBs, physical downlink control channels (Physical Downlink Control Channel, PDCCH) containing common search space (common search space), PDSCH carrying common information (e.g. PDSCH carrying DCI scheduling of SI-RNTI/RA-RNTI/P-RNTI scrambling). That is, an omni-directional LBT detection scheme is used for a broadcast channel or a multicast channel.
In one embodiment, in response to the unlicensed channel being a unicast channel, it is determined that the first detection mode corresponding to the unlicensed channel is a directional LBT detection mode or an omni-directional LBT detection mode. That is, for the unicast channel, either a directional LBT detection scheme or an omni-directional LBT detection scheme may be employed.
In this embodiment, according to the type of the channel to be transmitted, the first detection mode corresponding to the unlicensed channel is determined, and different first detection modes are used for different channel types, so that the first detection mode is suitable for the transmission characteristics of the channel types, and the overall performance of the base station device is improved.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to base station equipment. The method comprises the following steps:
determining a first detection mode corresponding to an unauthorized channel, wherein the first detection mode comprises: an omni-directional LBT detection mode or a directional LBT detection mode;
transmitting a message, wherein the message is used for indicating relevant parameters of a directional beam used by the base station side for the unauthorized channel based on a directional LBT detection mode;
and carrying out LBT detection on the unauthorized channel according to the determined first detection mode.
In this embodiment, when the base station device uses the directional LBT detection mode, the relevant parameters of the directional beam used when the base station device uses the directional LBT detection mode are notified to the user device, so that the user device knows the relevant parameters of the directional beam used by the base station device.
In one possible implementation, the sender may be to send the message only if it is determined that the directional LBT detection mode is adopted. In another possible implementation, the sender sends the message regardless of the LBT detection mode used.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to base station equipment. The method comprises the following steps:
Transmitting first indication information for indicating the first detection mode; the first detection mode comprises the following steps: an omni-directional LBT detection scheme or a directional LBT detection scheme.
And carrying out LBT detection on the unauthorized channel according to the determined first detection mode.
In this embodiment, the base station device notifies the ue of the first detection mode adopted by the base station device, so that the ue knows whether the base station device uses the directional LBT detection mode or the omni-directional LBT detection mode.
In an embodiment, the sending, to the user equipment, first indication information for indicating the first detection mode includes: and transmitting high-layer signaling in response to the unlicensed channel being a semi-statically scheduled unlicensed channel, wherein the high-layer signaling comprises first indication information for indicating the first detection mode. For example: the semi-persistent scheduled unlicensed channel is the SPS PDSCH.
In an embodiment, the sending, to the user equipment, first indication information for indicating the first detection mode includes: and transmitting physical layer signaling in response to the unlicensed channel being a dynamically scheduled unlicensed channel, wherein the physical layer signaling comprises first indication information for indicating the first detection mode. For example: the dynamically scheduled unlicensed channels are: PDSCH.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to base station equipment. The method comprises the following steps:
determining a first detection mode corresponding to an unauthorized channel, wherein the first detection mode comprises: an omni-directional LBT detection mode or a directional LBT detection mode;
and carrying out LBT detection on the unauthorized channel according to the determined first detection mode, and sending a detection result to user equipment.
In this embodiment, the base station device sends the detection result to the ue, so that the ue may use the received detection result for LBT detection assisted by the ue or other appropriate purposes.
Specifically, any manner in the embodiments of the present disclosure may be adopted to determine the first detection manner corresponding to the unlicensed channel, which is not described herein. For example, it may be determined according to the type of unlicensed channel; as another example, it may be specified by the base station; as another example, it may be negotiated by a base station and a user equipment; also for example, it may be determined according to a communication protocol.
In one embodiment, the receiver-assisted LBT detection includes: the sender device performs LBT detection to obtain a first detection result, the receiver device performs a second detection result of LBT detection, the second detection result is sent to the sender, the sender determines a third detection result according to the first detection result and the second detection result, and the third detection result is a result comprehensively evaluated according to the first detection result and the second detection result.
In this embodiment, receiving-end assisted LBT detection is adopted, so as to improve the detection accuracy of the interference level.
The embodiment of the disclosure provides an access method of an unauthorized channel, which is applied to base station equipment. The method comprises the following steps:
step S11, determining a first detection mode corresponding to an unlicensed channel, where the first detection mode includes: an omni-directional LBT detection scheme or a directional LBT detection scheme.
And step S12, performing LBT detection on the unauthorized channel according to the determined first detection mode.
Step S13, determining whether to access the unauthorized channel according to the detection result of the unauthorized channel.
Wherein step S13 includes: and determining to access the unlicensed channel according to the detection result of the unlicensed channel, or determining not to access the unlicensed channel according to the detection result of the unlicensed channel.
In one example, responsive to a detection of an unlicensed channel corresponding to an interference level less than or equal to a first threshold value, determining to access the unlicensed channel; and determining that the unlicensed channel is not accessed in response to the interference level corresponding to the detection result of the unlicensed channel being greater than or equal to a first threshold value.
In this embodiment, the base station device switches between the two first detection modes, and may use different first detection modes in different application scenarios to determine whether an unlicensed channel can be accessed.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to base station equipment. Referring to fig. 2, fig. 2 is a flowchart illustrating a method for detecting an unlicensed channel according to an exemplary embodiment, and as shown in fig. 2, the method includes:
step S21, sending second indication information for indicating a second detection mode to the ue, where the second detection mode is a detection mode used when the ue performs LBT detection on an unlicensed channel, and the second detection mode includes: an omni-directional LBT detection scheme or a directional LBT detection scheme.
In this embodiment, the base station device instructs the user equipment to use an omni-directional LBT detection method or a directional LBT detection method, and the user equipment determines the LBT detection method according to the instruction of the base station device.
It should be noted that, the scheme disclosed in step S21 may be executed alone or in combination with the method of any of the other embodiments of the present disclosure, and the embodiments of the present disclosure are not limited thereto.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to base station equipment. The method comprises the following steps:
determining a first detection mode corresponding to an unauthorized channel, wherein the first detection mode comprises: an omni-directional LBT detection mode or a directional LBT detection mode;
Transmitting a message, wherein the message is used for indicating relevant parameters of a directional beam used by the base station side for the unauthorized channel based on a directional LBT detection mode;
and carrying out LBT detection on the unauthorized channel according to the determined first detection mode.
In this embodiment, the base station device obtains the relevant parameters of the directional beam used by the base station device based on the relevant parameters of the directional beam used by the directional LBT detection mode.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to base station equipment. The method comprising the two previous embodiments further comprises: and receiving a detection result which is sent by the user equipment and is used for detecting the unauthorized channel according to the second detection mode.
In this embodiment, the ue sends the detection result of the unlicensed channel detection according to the second detection mode to the base station device, so that the base station device knows the detection result of the unlicensed channel detection by the ue according to the second detection mode, and thus the base station device performs LBT detection assisted by the receiving end, and improves the detection accuracy of the interference level.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to base station equipment. The method comprises the following steps:
And transmitting high-layer signaling for indicating a second detection mode to user equipment in response to the unlicensed channel being a semi-statically scheduled unlicensed channel, wherein the high-layer signaling comprises second indication information for indicating the second detection mode.
For example: the semi-statically scheduled unlicensed channel is SR/CG-PUSCH.
That is, in some possible embodiments, the detection manner of the unlicensed channel by the user equipment is specified by the base station side according to the type of the unlicensed channel. Of course, in other possible embodiments, the user equipment may also determine the second detection manner of detecting the unlicensed channel according to the communication protocol.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to base station equipment. The method comprises the following steps:
and transmitting physical layer signaling for indicating a second detection mode to user equipment in response to the unlicensed channel being a dynamically scheduled unlicensed channel, wherein the physical layer signaling contains second indication information for indicating the second detection mode. For example: the dynamically scheduled unlicensed channels are: PUSCH.
That is, in some possible embodiments, the detection manner of the unlicensed channel by the user equipment is specified by the base station side according to the type of the unlicensed channel. Of course, in other possible embodiments, the user equipment may also determine the second detection manner of detecting the unlicensed channel according to the communication protocol.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to user equipment. Referring to fig. 3, fig. 3 is a flowchart illustrating a method for detecting an unlicensed channel according to an exemplary embodiment, and as shown in fig. 3, the method includes:
step S31, receiving second indication information for indicating a second detection mode from the base station equipment; the second detection mode comprises the following steps: an omni-directional LBT detection mode or a directional LBT detection mode;
and step S32, performing LBT detection on the unauthorized channel according to the second detection mode.
In this embodiment, the base station device instructs the user equipment to use an omni-directional LBT detection method or a directional LBT detection method, and the user equipment determines the LBT detection method according to the instruction of the base station device.
That is, in some possible embodiments, the detection manner of the unlicensed channel by the user equipment is specified by the base station side according to the type of the unlicensed channel. Of course, in other possible embodiments, the user equipment may determine the second detection manner of detecting the unlicensed channel according to the communication protocol by itself; that is, the method in fig. 3 includes: determining a second detection mode for detecting an unlicensed channel, wherein the second detection mode comprises: an omni-directional LBT detection mode or a directional LBT detection mode; and performing LBT detection on the unauthorized channel according to the second detection mode.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to user equipment. The method comprises the following steps:
receiving second indication information for indicating a second detection mode from the base station device; the second detection mode comprises the following steps: an omni-directional LBT detection mode or a directional LBT detection mode;
performing receiving-end-assisted LBT detection on the unauthorized channel according to a second detection mode;
and sending the detection result to the base station equipment.
In this embodiment, the ue sends the detection result of the unlicensed channel detection according to the second detection mode to the base station device, so that the base station device knows the detection result of the unlicensed channel detection by the ue according to the second detection mode, and thus the base station device performs LBT detection assisted by the receiving end, and improves the detection accuracy of the interference level.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to user equipment. The method comprises the following steps:
receiving second indication information for indicating a second detection mode from the base station device; in response to the second detection mode being a directional LBT detection mode, receiving from the base station device a correlation parameter of the directional beam, the correlation parameter being indicative of a correlation parameter of a beam used by the terminal to transmit data.
In this embodiment, when the base station device uses the directional LBT detection mode, the relevant parameters of the directional beam used when the base station device uses the directional LBT detection mode are notified to the user device, so that the user device knows the relevant parameters of the directional beam used by the base station device.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to user equipment. The method comprises the following steps:
receiving first indication information for indicating a first detection mode from base station equipment; the first detection mode comprises the following steps: an omni-directional LBT detection scheme or a directional LBT detection scheme.
That is, the base station notifies the user equipment of the manner in which the base station detects the unlicensed channel.
In one embodiment, in response to the unlicensed channel being a semi-statically scheduled unlicensed channel, higher layer signaling is received, the higher layer signaling including first indication information for indicating the first detection mode. For example: the semi-persistent scheduled unlicensed channel is the SPS PDSCH.
In one embodiment, physical layer signaling is received in response to the unlicensed channel being a dynamically scheduled unlicensed channel, the physical layer signaling including first indication information for indicating the first detection mode. For example: the dynamically scheduled unlicensed channels are: PDSCH.
In this embodiment, the base station device notifies the user equipment of the first detection mode used by the base station device, so that the user equipment knows the first detection mode used by the base station device.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to user equipment. The method comprises the following steps:
receiving second indication information for indicating a second detection mode from the base station device; the second detection mode comprises the following steps: an omni-directional LBT detection scheme or a directional LBT detection scheme.
In one embodiment, in response to the unlicensed channel being a semi-statically scheduled unlicensed channel, higher layer signaling is received, the higher layer signaling including second indication information for indicating the second detection mode. For example: the semi-statically scheduled unlicensed channel is SR/CG-PUSCH.
In one embodiment, physical layer signaling is received in response to the unlicensed channel being a dynamically scheduled unlicensed channel, the physical layer signaling including second indication information for indicating the second detection mode. For example: the dynamically scheduled unlicensed channels are: PUSCH.
In this embodiment, the base station device notifies the user equipment of the second detection mode used by the user equipment, so that the user equipment knows the second detection mode used by the base station device.
The embodiment of the disclosure provides a detection method of an unauthorized channel, which is applied to user equipment. The method comprises the following steps:
and receiving a detection result of the auxiliary channel detection of the receiving end after the base station equipment carries out LBT detection on the unauthorized channel according to a first detection mode.
In this embodiment, the ue receives the detection result of the auxiliary channel detection at the receiving end from the base station device, so that the ue knows the result of the auxiliary channel detection, and adjusts the policy and parameters for performing the auxiliary channel detection or other appropriate uses.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to base station equipment. Referring to fig. 4, fig. 4 is a block diagram illustrating a detection apparatus of an unlicensed channel according to an exemplary embodiment, and as shown in fig. 4, the apparatus includes:
the determining module 401 is configured to determine a first detection mode corresponding to the unlicensed channel, where the first detection mode includes: an omni-directional LBT detection mode or a directional LBT detection mode;
a first detection module 402 is configured to perform LBT detection on an unlicensed channel according to the determined first detection mode.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to base station equipment. This device includes the device shown in fig. 4, and:
The determining module 401 is configured to determine a first detection mode corresponding to the unlicensed channel by using the following method:
and determining a first detection mode corresponding to the unauthorized channel according to the type of the channel to be transmitted.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to base station equipment. This device includes the device shown in fig. 4, and:
the determining module 401 is configured to determine a first detection mode corresponding to the unlicensed channel by using the following method:
and in response to the unlicensed channel being a broadcast channel or a multicast channel, determining that a first detection mode corresponding to the unlicensed channel is an omni-directional LBT detection mode.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to base station equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 4, and:
the determining module 401 is configured to determine a first detection mode corresponding to the unlicensed channel by using the following method:
and in response to the unlicensed channel being a unicast channel, determining that a first detection mode corresponding to the unlicensed channel is a directional LBT detection mode or an omni-directional LBT detection mode.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to base station equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 4, and:
the apparatus further comprises:
and the first sending module is configured to send a message, wherein the message is used for indicating relevant parameters of a directional beam used by the base station side for the unauthorized channel based on a directional LBT detection mode.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to base station equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 4, and:
the apparatus further comprises:
and the second sending module is configured to send first indication information for indicating the first detection mode to the user equipment.
In an embodiment, the sending, to the user equipment, first indication information for indicating the first detection mode includes: and transmitting high-layer signaling in response to the unlicensed channel being a semi-statically scheduled unlicensed channel, wherein the high-layer signaling comprises first indication information for indicating the first detection mode.
In an embodiment, the sending, to the user equipment, first indication information for indicating the first detection mode includes: and transmitting physical layer signaling in response to the unlicensed channel being a dynamically scheduled unlicensed channel, wherein the physical layer signaling comprises first indication information for indicating the first detection mode.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to base station equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 4, and:
the apparatus further comprises:
the second detection module is configured to perform receiving-end assisted LBT detection on the unauthorized channel according to the determined first detection mode;
and the third sending module is configured to send the detection result to the user equipment.
The embodiment of the disclosure provides a detection device for an unauthorized channel, and the method is applied to base station equipment. This apparatus is for performing any of the method embodiments previously described. Referring to fig. 5, fig. 5 is a block diagram illustrating an apparatus for detecting an unlicensed channel according to an exemplary embodiment, and as shown in fig. 5, the apparatus includes:
a fourth sending module 501, configured to send, to the user equipment, second indication information for indicating a second detection mode, where the second detection mode is a detection mode used when the user equipment performs LBT detection on an unlicensed channel, and the second detection mode includes: an omni-directional LBT detection scheme or a directional LBT detection scheme.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to base station equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 5, and:
the device further comprises:
a fifth sending module 501 is configured to send a message, where the message is used to instruct the user equipment to use relevant parameters of the directional beam based on the directional LBT detection mode.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to base station equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 5, and:
the device further comprises:
the first receiving module is configured to receive a detection result of the unauthorized channel detection by the user equipment according to the second detection mode.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to base station equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 5, and:
a fourth transmitting module 501 configured to transmit second indication information for indicating the second detection mode to the user equipment by using the following method:
And transmitting high-layer signaling in response to the unlicensed channel being a semi-statically scheduled unlicensed channel, wherein the high-layer signaling comprises second indication information for indicating the second detection mode.
Or,
and transmitting physical layer signaling in response to the unlicensed channel being a dynamically scheduled unlicensed channel, wherein the physical layer signaling comprises second indication information for indicating the second detection mode.
The embodiment of the disclosure provides a detection device for an unauthorized channel, and the method is applied to user equipment. This apparatus is for performing any of the method embodiments previously described. Referring to fig. 6, fig. 6 is a block diagram illustrating a detection apparatus of an unlicensed channel according to an exemplary embodiment, and as shown in fig. 6, the apparatus includes:
a second receiving module 601 configured to receive second indication information for indicating a second detection mode from the base station apparatus; the second detection mode comprises the following steps: an omni-directional LBT detection mode or a directional LBT detection mode;
a third detection module 602 is configured to perform LBT detection on an unlicensed channel according to the second detection mode.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to user equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 6, and:
A third detection module 602 configured to perform LBT detection on an unlicensed channel according to the second detection mode using the following method: and carrying out LBT detection assisted by the receiving end on the unauthorized channel according to the second detection mode.
The apparatus further comprises:
and a sixth transmitting module configured to transmit the detection result to the base station apparatus.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to user equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 6, and:
the apparatus further comprises:
and a third receiving module configured to receive, from the base station apparatus, relevant parameters of a directional beam in response to the second detection mode being a directional LBT detection mode, the relevant parameters being used to indicate relevant parameters of a beam used by the terminal to transmit data.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to user equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 6, and:
the apparatus further comprises:
a fourth receiving module configured to receive first indication information for indicating the first detection mode from the base station apparatus; the first detection mode comprises the following steps: an omni-directional LBT detection scheme or a directional LBT detection scheme.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to user equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 6, and:
the apparatus further comprises:
a fifth receiving module configured to receive second indication information for indicating a second detection mode from the base station apparatus; the second detection mode comprises the following steps: an omni-directional LBT detection scheme or a directional LBT detection scheme.
The embodiment of the disclosure provides a detection device for an unauthorized channel, which is applied to user equipment. This apparatus is for performing any of the method embodiments previously described. This device includes the device shown in fig. 6, and:
and the sixth receiving module is configured to receive a detection result of the auxiliary channel detection of the receiving end after the base station equipment performs LBT detection on the unauthorized channel according to the first detection mode.
The embodiment of the disclosure provides base station equipment, which comprises:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute executable instructions in the memory to implement the steps of a method of detecting an unlicensed channel.
The embodiment of the disclosure provides a user equipment, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute executable instructions in the memory to implement the steps of the method of detecting an unlicensed channel.
Embodiments of the present disclosure provide a non-transitory computer readable storage medium having stored thereon executable instructions that when executed by a processor implement the steps of a method of detecting an unlicensed channel.
Fig. 7 is a block diagram illustrating an apparatus 700 for detection of unlicensed channels, according to an example embodiment. For example, apparatus 700 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, exercise device, personal digital assistant, or the like.
Referring to fig. 7, an apparatus 700 may include one or more of the following components: a processing component 702, a memory 704, a power component 706, a multimedia component 708, an audio component 710, an input/output (I/O) interface 712, a sensor component 714, and a communication component 716.
The processing component 702 generally controls overall operation of the apparatus 700, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 702 may include one or more processors 720 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 702 can include one or more modules that facilitate interaction between the processing component 702 and other components. For example, the processing component 702 may include a multimedia module to facilitate interaction between the multimedia component 708 and the processing component 702.
Memory 704 is configured to store various types of data to support operations at device 700. Examples of such data include instructions for any application or method operating on the apparatus 700, contact data, phonebook data, messages, pictures, videos, and the like. The memory 704 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
The power component 706 provides power to the various components of the device 700. Power component 706 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 700.
The multimedia component 708 includes a screen between the device 700 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 708 includes a front-facing camera and/or a rear-facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the device 700 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.
The audio component 710 is configured to output and/or input audio signals. For example, the audio component 710 includes a Microphone (MIC) configured to receive external audio signals when the device 700 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 704 or transmitted via the communication component 716. In some embodiments, the audio component 710 further includes a speaker for outputting audio signals.
The I/O interface 712 provides an interface between the processing component 702 and peripheral interface modules, which may be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.
The sensor assembly 714 includes one or more sensors for providing status assessment of various aspects of the apparatus 700. For example, the sensor assembly 714 may detect an on/off state of the device 700, a relative positioning of the components, such as a display and keypad of the apparatus 700, a change in position of the apparatus 700 or one component of the apparatus 700, the presence or absence of user contact with the apparatus 700, an orientation or acceleration/deceleration of the apparatus 700, and a change in temperature of the apparatus 700. The sensor assembly 714 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 714 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 714 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 716 is configured to facilitate communication between the apparatus 700 and other devices in a wired or wireless manner. The apparatus 700 may access a wireless network based on a communication standard, such as WiFi,2G or 3G, or a combination thereof. In one exemplary embodiment, the communication component 716 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 716 further includes a Near Field Communication (NFC) module to facilitate short range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 700 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.
In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as memory 704, including instructions executable by processor 720 of apparatus 700 to perform the above-described method. For example, the non-transitory computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
Fig. 8 is a block diagram illustrating an access device 800 for unlicensed channels, according to an example embodiment. For example, the apparatus 800 may be provided as a base station. Referring to fig. 8, apparatus 800 includes a processing component 822 that further includes one or more processors and memory resources, represented by memory 832, for storing instructions, such as application programs, executable by processing component 822. The application programs stored in memory 832 may include one or more modules each corresponding to a set of instructions. Further, the processing component 822 is configured to execute instructions to perform the above-described method of detecting an unlicensed channel.
The apparatus 800 may further comprise a power component 826 configured to perform power management of the apparatus 800, a wired or wireless network interface 850 configured to connect the apparatus 800 to a network, and an input output (I/O) interface 859. The device 800 may operate based on an operating system stored in memory 832, such as Windows Server, mac OS XTM, unixTM, linuxTM, freeBSDTM, or the like.
Other implementations of the disclosed embodiments will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosed embodiments following, in general, the principles of the disclosed embodiments 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 disclosed embodiments being indicated by the following claims.
It is to be understood that the disclosed embodiments are not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the embodiments of the present disclosure is limited only by the appended claims.
Claims (14)
1. A detection method of unauthorized channels is applied to base station equipment, and comprises the following steps:
responding to whether an unauthorized channel is a broadcast channel or a multicast channel, and determining that a first detection mode corresponding to the unauthorized channel is an omni-directional LBT detection mode; or, in response to the unlicensed channel being a unicast channel, determining that a first detection mode corresponding to the unlicensed channel is a directional LBT detection mode or an omni-directional LBT detection mode;
performing LBT detection on the unauthorized channel according to the determined first detection mode;
receiving end assisted LBT detection is carried out on the unauthorized channel according to the determined first detection mode, a detection result is sent to user equipment, and the user equipment is enabled to be used for the user equipment assisted LBT detection according to the received detection result;
transmitting second indication information for indicating a second detection mode to the user equipment, wherein the second detection mode is a detection mode used when the user equipment performs LBT detection on an unauthorized channel, the unauthorized channel is a broadcast channel or a multicast channel, and the second detection mode corresponding to the unauthorized channel is determined to be an omni-directional LBT detection mode; or, the unauthorized channel is a unicast channel, and the second detection mode corresponding to the unauthorized channel is determined to be a directional LBT detection mode or an omni-directional LBT detection mode;
The method comprises the following steps:
receiving a detection result of unauthorized channel detection by user equipment according to a second detection mode, enabling the base station equipment to acquire the detection result of unauthorized channel detection by the user equipment according to the second detection mode, and enabling the base station equipment to perform LBT detection assisted by a receiving end;
and determining a third detection result according to the detection result of the receiving end assisted LBT detection of the unauthorized channel in the first detection mode and the detection result of the unauthorized channel detection in the second detection mode, and determining whether to access the unauthorized channel according to the third detection result.
2. The method for detecting an unlicensed channel according to claim 1, wherein the method further comprises:
and determining a first detection mode corresponding to the unauthorized channel according to the type of the channel to be transmitted.
3. The method for detecting an unlicensed channel according to claim 1, wherein the method comprises:
and sending a message, wherein the message is used for indicating the relevant parameters of the directional beam used by the base station side for the unauthorized channel based on the directional LBT detection mode.
4. The method for detecting an unlicensed channel according to claim 1, wherein the method comprises:
And sending first indication information for indicating the first detection mode to the user equipment.
5. The method for detecting an unlicensed channel according to claim 4, wherein the sending, to the user equipment, first indication information for indicating the first detection mode includes:
and transmitting high-layer signaling in response to the unlicensed channel being a semi-statically scheduled unlicensed channel, wherein the high-layer signaling comprises first indication information for indicating the first detection mode.
6. The method for detecting an unlicensed channel according to claim 4, wherein the sending, to the user equipment, first indication information for indicating the first detection mode includes:
and transmitting physical layer signaling in response to the unlicensed channel being a dynamically scheduled unlicensed channel, wherein the physical layer signaling comprises first indication information for indicating the first detection mode.
7. The method for detecting an unlicensed channel according to claim 1, wherein the method comprises:
and sending a message, wherein the message is used for indicating relevant parameters of a directional beam used by the user equipment based on the directional LBT detection mode.
8. The method for detecting an unlicensed channel according to claim 1, wherein,
The sending, to the user equipment, second indication information for indicating the second detection mode includes:
transmitting a higher layer signaling in response to the unlicensed channel being a semi-statically scheduled unlicensed channel, wherein the higher layer signaling contains second indication information for indicating the second detection mode;
or,
and transmitting physical layer signaling in response to the unlicensed channel being a dynamically scheduled unlicensed channel, wherein the physical layer signaling comprises second indication information for indicating the second detection mode.
9. The method for detecting the unauthorized channel is applied to user equipment and comprises the following steps:
receiving second indication information for indicating a second detection mode from the base station device; the second detection mode comprises the following steps: an omni-directional LBT detection mode or a directional LBT detection mode;
the unauthorized channel is a broadcast channel or a multicast channel, and the second detection mode corresponding to the unauthorized channel is an omni-directional LBT detection mode; or, the unauthorized channel is a unicast channel, and the second detection mode corresponding to the unauthorized channel is determined to be a directional LBT detection mode or an omni-directional LBT detection mode;
performing receiving-end-assisted LBT detection on the unauthorized channel according to a second detection mode;
Transmitting the detection result to base station equipment, so that the base station equipment can acquire the detection result of unauthorized channel detection by the user equipment according to the second detection mode, and can perform LBT detection assisted by a receiving end;
receiving first indication information for indicating a first detection mode from base station equipment; the unauthorized channel is a broadcast channel or a multicast channel, and the first detection mode corresponding to the unauthorized channel is an omni-directional LBT detection mode; or, the unauthorized channel is a unicast channel, and the first detection mode corresponding to the unauthorized channel is determined to be a directional LBT detection mode or an omni-directional LBT detection mode;
receiving a detection result of receiving end auxiliary channel detection after the base station equipment carries out LBT detection on the unauthorized channel according to a first detection mode, wherein the detection result enables the user equipment to be used for the LBT detection assisted by the user equipment according to the received detection result;
the third detection result is used for determining whether to access an unauthorized channel, and the third detection result is used for determining the detection result of the receiving-end-assisted LBT detection of the unauthorized channel and the detection result of the unauthorized channel detection of the second detection mode according to the first detection mode.
10. The method for detecting an unlicensed channel according to claim 9, wherein the method comprises:
in response to the second detection mode being a directional LBT detection mode, receiving from the base station device a correlation parameter of the directional beam, the correlation parameter being indicative of a correlation parameter of a beam used by the terminal to transmit data.
11. An unlicensed channel detection apparatus, applied to a base station device, includes:
the determining module is configured to determine a first detection mode corresponding to the unauthorized channel, wherein the first detection mode comprises: an omni-directional LBT detection mode or a directional LBT detection mode;
the determining module is further configured to determine that a first detection mode corresponding to the unlicensed channel is an omni-directional LBT detection mode in response to the unlicensed channel being a broadcast channel or a multicast channel; or, in response to the unlicensed channel being a unicast channel, determining that a first detection mode corresponding to the unlicensed channel is a directional LBT detection mode or an omni-directional LBT detection mode;
the first detection module is configured to perform LBT detection on an unauthorized channel according to the determined first detection mode;
the second detection module is configured to perform receiving-end assisted LBT detection on the unauthorized channel according to the determined first detection mode, and the third transmission module is configured to transmit a detection result to the user equipment, wherein the detection result enables the user equipment to be used for the user equipment assisted LBT detection according to the received detection result;
A fourth transmitting module, configured to transmit second indication information for indicating a second detection mode to the user equipment, where the second detection mode is a detection mode used by the user equipment when performing LBT detection on an unlicensed channel, and the second detection mode includes: an omni-directional LBT detection mode or a directional LBT detection mode;
the unauthorized channel is a broadcast channel or a multicast channel, and the second detection mode corresponding to the unauthorized channel is an omni-directional LBT detection mode; or, the unauthorized channel is a unicast channel, and the second detection mode corresponding to the unauthorized channel is determined to be a directional LBT detection mode or an omni-directional LBT detection mode;
the first receiving module is configured to receive a detection result of the unlicensed channel detection by the user equipment according to a second detection mode, so that the base station equipment can acquire the detection result of the unlicensed channel detection by the user equipment according to the second detection mode, and the base station equipment can perform LBT detection assisted by a receiving end;
a second receiving module configured to receive second indication information for indicating a second detection mode from the base station apparatus; the second detection mode comprises the following steps: an omni-directional LBT detection mode or a directional LBT detection mode;
The unauthorized channel is a broadcast channel or a multicast channel, and the second detection mode corresponding to the unauthorized channel is an omni-directional LBT detection mode; or, the unauthorized channel is a unicast channel, and the second detection mode corresponding to the unauthorized channel is determined to be a directional LBT detection mode or an omni-directional LBT detection mode;
a third detection module configured to perform LBT detection on an unlicensed channel according to the second detection mode;
the third detection module is configured to perform receiving-end assisted LBT detection on the unauthorized channel according to the second detection mode;
a sixth sending module, configured to send a detection result to a base station device, so that the base station device knows a detection result of unauthorized channel detection performed by the user device according to the second detection mode, and makes the base station device perform LBT detection assisted by a receiving end;
a fourth receiving module configured to receive first indication information for indicating the first detection mode from the base station apparatus; the unauthorized channel is a broadcast channel or a multicast channel, and the first detection mode corresponding to the unauthorized channel is an omni-directional LBT detection mode; or, the unauthorized channel is a unicast channel, and the first detection mode corresponding to the unauthorized channel is determined to be a directional LBT detection mode or an omni-directional LBT detection mode;
And the sixth receiving module is configured to receive a detection result of the detection of the auxiliary channel of the receiving end after the base station equipment performs the LBT detection on the unauthorized channel according to the first detection mode, and the detection result enables the user equipment to be used for the LBT detection assisted by the user equipment according to the received detection result.
12. A base station apparatus comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute executable instructions in the memory to implement the method of detecting an unlicensed channel of any one of claims 1 to 8.
13. A user equipment, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute executable instructions in the memory to implement the steps of the method of detecting an unlicensed channel of any one of claims 9 to 10.
14. A non-transitory computer readable storage medium having stored thereon executable instructions which when executed by a processor implement the steps of the method of detecting an unlicensed channel of any one of claims 1 to 8 or the method of detecting an unlicensed channel of any one of claims 9 to 10.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2021/070830 WO2022147757A1 (en) | 2021-01-08 | 2021-01-08 | Unlicensed channel assessment method and apparatus, and device and storage medium |
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| CN106664723A (en) * | 2014-07-29 | 2017-05-10 | 华为技术有限公司 | Device, network, and method for communications with spatial-specific sensing |
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