CN112311507A

CN112311507A - Vehicle networking communication feedback timing method, terminal equipment, network equipment and system

Info

Publication number: CN112311507A
Application number: CN201910713103.5A
Authority: CN
Inventors: 沈霞; 朱颖
Original assignee: China Academy of Information and Communications Technology CAICT
Current assignee: China Academy of Information and Communications Technology CAICT
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2021-02-02
Anticipated expiration: 2039-08-02
Also published as: CN112311507B

Abstract

The invention discloses a vehicle networking communication feedback timing method, terminal equipment, network equipment and a system, and solves the problem that the existing vehicle networking communication standard does not definitely receive the effective time after a feedback instruction is received. The method comprises the following steps: receiving first indication information; determining a first lifetime; if the first indication information comprises an enabling indication, enabling an HARQ feedback mechanism on a corresponding side link in the first validity time; and if the disabling instruction is contained, disabling the HARQ feedback mechanism on the corresponding side link in the first validity time. The method comprises the following steps: sending first indication information; determining a first lifetime; if the first indication information comprises an enabling indication, receiving and detecting HARQ feedback information; if the forbidden indication is contained, canceling to receive and detect the HARQ feedback information; and judging whether the disabling or enabling HARQ feedback mechanism is normal or not according to whether the feedback information is actually received and detected. The terminal equipment, the network equipment and the system all use the method. The invention realizes the HARQ feedback timing function.

Description

Vehicle networking communication feedback timing method, terminal equipment, network equipment and system

Technical Field

The invention relates to the technical field of wireless mobile communication, in particular to a vehicle networking communication feedback timing method, terminal equipment, network equipment and a system.

Background

In the communication of the internet of vehicles, the communication between terminals is supported through a Side Link (SL), and the feedback of enabling or disabling (enable/disable) side link hybrid automatic repeat request (SL HARQ) in a unicast/multicast scene is supported, namely when the terminal receives the indication information of enabling the SL HARQ feedback, the SL HARQ feedback is carried out; and when the SL HARQ feedback forbidding signaling information is correspondingly received, the SL HARQ feedback is cancelled. The current standard supports enabling/disabling side link HARQ feedback, but it is not clear whether the terminal takes effect immediately or how long after receiving the enabling/disabling SL HARQ feedback indication, that is, the standard needs to further clear the effective time of enabling/disabling HARQ feedback, and there is no relevant solution at present.

Disclosure of Invention

The invention provides a vehicle networking communication feedback timing method, terminal equipment, network equipment and a system, and solves the problem that the feedback effective time after an SL HARQ feedback instruction is not definitely received by the existing vehicle networking communication standard.

In order to solve the above problems, the present invention is specifically realized as follows:

in a first aspect, an embodiment of the present application provides a vehicle networking communication feedback timing method, including the following steps: receiving first indication information, wherein the first indication information corresponds to a first side link; determining a first lifetime according to the configuration information; starting to enable the first sidelink hybrid automatic repeat request feedback mechanism at the first lifetime if the first indication information contains an enabling indication; if the first indication information contains a disabling indication, then disabling the first edge link hybrid automatic repeat request feedback mechanism is started at the first lifetime.

Further, the method further comprises: acquiring configuration indication information, indexing the configuration information according to the configuration indication information, and determining first life time.

Preferably, when the first indication information includes a disabling indication and the configuration information includes a first disabling mode, the first lifetime is: after receiving the first indication information, a first available channel start time for carrying first sidelink hybrid automatic repeat request feedback information.

Preferably, when the first indication information includes an edge disabling indication and the configuration information includes a second disabling mode, the first lifetime is: a channel start time satisfying the following two conditions after receiving the first indication information: the first condition is that: the channel can be used for carrying first side link hybrid automatic repeat request feedback information; the second condition is that: the channel is not used for transmitting feedback to a physical sidelink data channel preceding the first indication information.

Preferably, when the first indication information includes a disabling indication and the configuration information includes a third disabling mode, the first lifetime is: after receiving the first indication information, a first available channel start time carrying first sidelink HARQ feedback information after an Mth time unit, where M is an integer greater than equal 0, and the time unit is a set number of symbols, slots, or subframe lengths.

Further, when the first indication information includes an enabling indication and the configuration information includes a first enabling mode, the first lifetime is: after receiving the first indication information, a first available channel start time for carrying first sidelink hybrid automatic repeat request feedback information.

Further, when the first indication information includes an enabling indication and the configuration information includes a second enabling mode, the first lifetime is: after receiving the first indication information, the first available channel start time for carrying the first sidelink harq feedback information after the nth time unit, where N is an integer greater than equal 0, and the time unit is a set number of symbols, slots, or subframe lengths.

Further, the first feedback effective time comprises a processing delay.

Preferably, the configuration information is acquired by at least one of: high layer signaling, physical layer signaling, protocol convention write.

Preferably, the method further comprises: receiving second indication information between the receiving time of the first indication information and the first validity time, wherein the second indication information corresponds to the same side link as the first indication information; determining a second effective time according to the configuration information; according to the first and second effective time and the first and second indication information, judging whether a side link hybrid automatic repeat request feedback mechanism is started in the corresponding channel at the first and second effective time: when the second effective time is greater than or equal to the first effective time, if the first and second indication information both contain enabling indications, enabling a first edge link hybrid automatic repeat request feedback mechanism at the first effective time or the second effective time; if the first indication information and the second indication information both contain forbidden indications, a first edge link hybrid automatic repeat request feedback mechanism is forbidden at the first effective time or the second effective time; if the first indication information contains a disable indication and the second indication information contains an enable indication, disabling a first edge link hybrid automatic repeat request feedback mechanism at the first validity time and enabling the first edge link hybrid automatic repeat request feedback mechanism at the second validity time; enabling a first side link hybrid automatic repeat request feedback mechanism at the first validation time and disabling the first side link hybrid automatic repeat request feedback mechanism at the second validation time if the first indication information comprises an enabling indication and the second indication information comprises a disabling indication; when the second effective time is less than the first effective time, if the second indication information contains a forbidden indication, forbidding a first side link hybrid automatic repeat request feedback mechanism at the second effective time, and keeping forbidding the first side link hybrid automatic repeat request feedback mechanism at the first effective time; and if the second indication information contains an enabling indication, enabling the first side link hybrid automatic repeat request feedback mechanism at the second validation time, and keeping enabling the first side link hybrid automatic repeat request feedback mechanism at the first validation time.

When the first indication information includes an enabling indication, and the configuration information includes a first enabling mode or a second enabling mode, if a channel used for carrying first side link hybrid automatic repeat request feedback information after the first lifetime corresponds to first side link PSSCH transmission feedback before the first indication information, the channel carries or cancels to carry the first side link PSSCH transmission feedback after the first lifetime.

Preferably, the manner of acquiring the configuration indication information is at least one of the following: high layer signaling, physical layer signaling, protocol convention write.

In a second aspect, an embodiment of the present application further provides a vehicle networking communication feedback timing method, including the following steps: sending first indication information; determining a first lifetime according to the configuration information; if the first indication information contains enabling indication, then starting to detect and receive first side link hybrid automatic repeat request feedback information at a first validity time; and if the first indication information contains a forbidden indication, canceling the detection and receiving of the first side link hybrid automatic repeat request feedback information at a first effective time.

Further, the method further comprises: judging whether to send the first indication information according to the measurement condition; the measurement conditions are as follows: measuring the reference quantity to exceed a set threshold; the measurement reference includes at least one of: the first side link receiving and transmitting end distance, the reference signal receiving power, the received signal strength indication and the channel quality information indication; or a transceiving end distance between the network device and the receiving terminal, reference signal received power, received signal strength indication, channel quality information indication.

Further, the method further comprises: and according to configuration indication information index configuration information, determining the first life time.

Preferably, after the step of determining a first lifetime from the configuration information, the method comprises: before the first life time, sending second indication information, wherein the second indication information corresponds to the same side link as the first indication information; determining a second effective time according to the configuration information; when the second effective time is greater than or equal to the first effective time, if the first and second indication information both contain enabling indications, detecting and receiving first side link hybrid automatic repeat request feedback information from the first effective time or the second effective time; if the first indication information and the second indication information both contain forbidden indications, the first side link hybrid automatic repeat request feedback information is cancelled and detected from the first effective time or the second effective time; if the first indication information contains a disable indication and the second indication information contains an enable indication, cancelling reception and detection of first sidelink HARQ feedback information from the first validity time and receiving detection of first sidelink HARQ feedback information from the second validity time on a corresponding sidelink feedback channel; if the first indication information contains an enabling indication and the second indication information contains a disabling indication, receiving the detected first side link hybrid automatic repeat request feedback information from the first effective time, and canceling the received detected first side link hybrid automatic repeat request feedback information from the second effective time; when the second effective time is less than the first effective time, if the second indication information contains a forbidden indication, canceling detection and receiving first side link hybrid automatic repeat request feedback information from the second effective time, and keeping cancellation detection and receiving first side link hybrid automatic repeat request feedback information from the first effective time; and if the second indication information contains an enabling indication, detecting and receiving first side link hybrid automatic repeat request feedback information from the second effective time, and keeping detecting and receiving the first side link hybrid automatic repeat request feedback information from the first effective time.

Preferably, the method further comprises: and sending the configuration information.

Preferably, the method further comprises: and sending the configuration indication information.

Preferably, the channel for carrying the first sidelink harq feedback information is at least one of: PUCCH, PUSCH, PSSCH, PFSCH.

In a third aspect, an embodiment of the present application further provides a terminal device for internet of vehicles, including: the device comprises a receiving module, a configuration module, a determination module and a sending module; the configuration module is used for acquiring the configuration information; the receiving module is used for receiving the first indication information; the determining module is used for obtaining the first life time according to configuration information; enabling or disabling a first sidelink hybrid automatic repeat request feedback mechanism at the first validity time according to the first indication information; the sending module is configured to send hybrid automatic repeat request feedback information of the first sidelink.

Preferably, the receiving module is further configured to receive the configuration indication information; the configuration module is further configured to index configuration information according to the configuration indication information.

Preferably, the receiving module is further configured to receive the configuration information and send the configuration information to the configuration module.

Further, the receiving module is further configured to receive second indication information between the receiving time of the first indication information and the first lifetime, where the second indication information corresponds to the same edge link as the first indication information; the determining module is further configured to obtain the second validation time according to the configuration information; when the second effective time is greater than or equal to the first effective time, if the first and second indication information both contain enabling indications, enabling a first edge link hybrid automatic repeat request feedback mechanism at the first effective time or the second effective time; if the first indication information and the second indication information both contain forbidden indications, a first edge link hybrid automatic repeat request feedback mechanism is forbidden at the first effective time or the second effective time; if the first indication information contains a disable indication and the second indication information contains an enable indication, disabling a first edge link hybrid automatic repeat request feedback mechanism at the first validity time and enabling the first edge link hybrid automatic repeat request feedback mechanism at the second validity time; enabling a first side link hybrid automatic repeat request feedback mechanism at the first validation time and disabling the first side link hybrid automatic repeat request feedback mechanism at the second validation time if the first indication information comprises an enabling indication and the second indication information comprises a disabling indication; when the second effective time is less than the first effective time, if the second indication information contains a forbidden indication, forbidding a first side link hybrid automatic repeat request feedback mechanism at the second effective time, and keeping forbidding the first side link hybrid automatic repeat request feedback mechanism at the first effective time; and if the second indication information contains an enabling indication, enabling the first side link hybrid automatic repeat request feedback mechanism at the second validation time, and keeping enabling the first side link hybrid automatic repeat request feedback mechanism at the first validation time.

In a fourth aspect, an embodiment of the present application further provides a terminal device for internet of vehicles, including: the device comprises a sending module, a determining module, a configuration module and a receiving module; the sending module is used for sending the first indication information; the configuration module is used for acquiring the configuration information; determining a first life time according to the configuration information; and judging whether the first side link hybrid automatic repeat request feedback mechanism is normal or not from the first validity time when the first side link hybrid automatic repeat request feedback information is actually received.

Preferably, the configuration module is further configured to obtain the configuration indication information and index the configuration information.

Preferably, it further comprises: a measurement module; and the measurement module is used for measuring the measurement reference quantity and judging whether to send the first indication information or not according to the measurement condition.

Further, the sending module is further configured to send the configuration information.

Further, the sending module is further configured to send the configuration indication information.

Preferably, the sending module is further configured to send the second indication information after the first indication information is sent and before the first lifetime; the determining module is further configured to determine a second effective time according to the configuration information; judging whether a first side link hybrid automatic repeat request mechanism is normal or not according to whether first side link hybrid automatic repeat request feedback information is actually received or not from the first effective time and the second effective time; the receiving module is configured to receive the first sidelink harq.

Preferably, the channel for carrying the first sidelink hybrid automatic repeat request feedback information is PSSCH and/or PSFCH.

In a fifth aspect, an embodiment of the present application further provides a network device for internet of vehicles, including: the device comprises a sending module, a determining module, a configuration module and a receiving module; the sending module is used for sending the first indication information; the configuration module is used for acquiring configuration information; the determining module is used for determining a first life time according to the configuration information; and judging whether the first side link hybrid automatic repeat request feedback mechanism is normal or not from the first validity time when the first side link hybrid automatic repeat request feedback information is actually received.

Preferably, the sending module is further configured to send the configuration information.

Further, the sending module is further configured to send the second indication information after the first indication information is sent and before the first lifetime, where the second indication information corresponds to the same edge link as the first indication information; the determining module is further configured to determine the second effective time according to configuration information; and judging whether the first side link hybrid automatic repeat request feedback mechanism is normal or not according to whether the first side link hybrid automatic repeat request feedback information is actually received or not from the first effective time and the second effective time.

Preferably, the channel for carrying the first sidelink harq feedback information is PUCCH and/or PUSCH.

In a sixth aspect, an embodiment of the present invention further provides a car networking system, including: the terminal comprises a first terminal device and a second terminal device.

In a seventh aspect, an embodiment of the present invention further provides a vehicle networking system, including: the system comprises a first terminal device and a network device.

In an eighth aspect, an embodiment of the present invention further provides a vehicle networking system, including: the system comprises a first terminal device, a second terminal device and a network device.

The beneficial effects of the invention include: the invention solves the problem that the effective time of the SL HARQ feedback is not clear when the SL HARQ feedback is enabled and disabled, ensures the effective implementation of the SL HARQ feedback to be enabled/disabled, ensures the reliability of a Physical sidelink data channel (PSSCH) transmitted by the SL when the SL HARQ feedback is disabled, and enhances the reliability of the PSSCH transmitted when the HARQ is enabled.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1(a) is a flowchart of an embodiment of a vehicle networking communication feedback timing method;

FIG. 1(b) is a schematic diagram of a first expiration time determination mode including a first disabling mode;

FIG. 1(c) is a schematic diagram of a first expiration determination mode including a processing delay and a first disable mode;

FIG. 1(d) is a schematic diagram of a first expiration determination mode including a second disabling mode;

FIG. 1(e) is a schematic diagram of a first expiration determination mode including a third disabling mode;

FIG. 1(f) is a schematic diagram of a first expiration time determination mode including a first activation mode;

FIG. 1(g) is a schematic diagram of a first lifetime determination comprising a processing delay, a first enablement mode;

FIG. 1(h) is a schematic diagram of a first lifetime determination mode including a second activation mode;

FIG. 1(i) is a schematic diagram illustrating whether the first indication information is fed back before transmission;

FIG. 2 is a flowchart of an embodiment of a vehicle networking communication feedback timing method including configuration indication information;

FIG. 3 is a flowchart of an embodiment of a vehicle networking communication feedback timing method including a second indication message reception;

FIG. 4 is a flowchart of an embodiment of a vehicle networking communication feedback timing method for sending a terminal device;

FIG. 5 is a flowchart embodiment of a vehicle networking communication feedback timing method for transmitting a network device;

FIG. 6 is a flowchart of an embodiment of a vehicle networking communication feedback timing method for sending a terminal device, including sending of second indication information;

FIG. 7 is a flowchart of an embodiment of a vehicle networking communication feedback timing method for sending a network device including a second indication message sending;

FIG. 8 is an embodiment of a vehicle networking terminal device for a receiving terminal;

FIG. 9 is an embodiment of a vehicle networking terminal device for a transmitting terminal;

FIG. 10 is an embodiment of a vehicle networking system including a terminal device;

FIG. 11 is an embodiment of a vehicle networking system including a network device;

fig. 12 is an embodiment of a car networking system including a terminal device and a network device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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 invention.

The current standard supports the enabling or disabling of HARQ feedback of the sidelink SL, and it is not clear whether the terminal takes effect immediately or how long after receiving the enabling/disabling of the SL HARQ feedback indication, especially for a scenario where one PSFCH corresponds to multiple psch transmissions, one PSFCH channel may correspond to one or more sidelink data channels pschs, and SL HARQ feedback information carried by the corresponding one PSFCH channel may include one or more psch detection results of the same SL. For example, the PSFCH of feedback 1 corresponds to the transmission of 3 PSSCHs, transmission 1, transmission 2, and transmission 3, respectively, and the PSFCH of feedback 2 corresponds to the transmission of 1 PSSCH. If the HARQ feedback forbidding indication is received in transmission 3, if the HARQ feedback forbidding indication is immediately taken into effect, that is, the HARQ information is not sent in feedback 1 (carrying the detection result of transmission 1/2/3), the sending end cannot know the detection result corresponding to transmission 1/2, and cannot ensure the reliability of the part of transmission; if feedback 2 is cancelled if there is still HARQ feedback for feedback 1, the reliability of the corresponding transmitted 1/2/3 can still be guaranteed by the HARQ feedback. Therefore, different methods for determining the enabling/disabling SL HARQ feedback effective time may cause different feedback behaviors of the terminal, further affecting transmission performance.

The innovation points of the invention are as follows: the invention provides a method for determining feedback effective time of SL HARQ communication feedback, which comprises the following steps: firstly, aiming at HARQ forbidding indication, 3 feedback effective time determination methods are provided; secondly, aiming at HARQ enabling indication, 2 feedback effective time determination methods are provided; thirdly, aiming at a plurality of pieces of HARQ indication information, a feedback effective time determining method is provided according to the signaling type. The method effectively solves the problem that the feedback channel detection of the sending end is unclear due to uncertain sending and canceling time of the feedback channel of the receiving end caused by uncertain effective time of HARQ feedback, and can be used for communication transmission from the terminal to the terminal and from the network to the terminal.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Example 1:

fig. 1(a) is a flowchart of an embodiment of a communication feedback timing method in the internet of vehicles.

The method for realizing timing feedback of the SL HARQ specifically comprises the following steps:

step 101, receiving first indication information.

In step 101, the first indication information includes: first side link hybrid automatic repeat request (SL HARQ) feedback enable indication information and or first side link hybrid automatic repeat request (SL HARQ) feedback disable indication information.

In step 101, the first indication information is received by a first terminal device, and is sent by a second terminal device or a network device. The first indication information can be carried by a physical downlink control channel PDCCH, or a physical downlink shared channel PDSCH, or a physical side link control channel PSCCH, or a physical side link shared channel PSSCH; when the first indication information is acquired through the PDCCH/PDSCH, the first indication information is sent to a first terminal device by network equipment; when the first indication information is acquired through the PSCCH/PSCCH, the first indication information is sent to the first terminal device by a sending terminal of the SL corresponding to the first indication information, that is, the second terminal device.

It should be noted that, in this document, the first indication information is a first SL for a SL between the first terminal device and the second terminal device; the HARQ feedback information of the first SL is first SL HARQ feedback information, that is, first feedback information.

Step 102, determining a first lifetime according to the configuration information.

In step 102, the manner of acquiring the configuration information is at least one of the following: high layer signaling, physical layer signaling, protocol conventions are written in advance. It should be noted that, when the configuration information is from a high layer signaling and/or a physical layer signaling, the configuration information may be sent by a network device or a terminal device; when the configuration information is written in advance in the protocol, the configuration information contains relevant configuration parameters set by protocol convention, and the relevant configuration information does not need to be acquired in an air interface mode.

In this document, the first validity time is short for enabling/disabling the first SL HARQ feedback validity time: if the first indication information contains first SL HARQ feedback enabling indication information, the first effective time is the first SL HARQ feedback enabling effective time; and if the first indication information contains first SL HARQ feedback forbidding indication information, the first effective time is the effective time for forbidding the first SL HARQ feedback.

In step 102, the configuration information includes a first validity time determination mode, i.e., a mode for enabling the first SL HARQ feedback validity time determination, and/or a mode for disabling the first SL HARQ feedback validity time determination.

In embodiment 1 of the present invention, the first validity time determination manner for disabling the first SL HARQ feedback information is one of a first disabling manner, a second disabling manner, or a third disabling manner.

Further, according to the first disabling mode, the first lifetime is: after receiving the first indication information, a first available channel start time carrying first feedback information.

In the first disabled mode, the first terminal device does not perform the first SL HARQ feedback from the first available channel carrying the first feedback information after receiving the first indication information until the first SL HARQ feedback validation time is enabled.

As shown in fig. 1(b), the PSFCH _1 is a first available channel carrying the first feedback information after receiving the first indication information, and the start time of the PSFCH _1 is the first lifetime. Therefore, after the first terminal device receives the first indication information, it will cancel the carrying of the first SL HARQ feedback information on the channels available for carrying the first feedback information from and after PSFCH _1 until the first SL HARQ feedback validation time is enabled.

It should be noted that the first lifetime includes a processing delay.

As shown in fig. 1(c), after a certain processing delay elapses after the first terminal receives the first SL HARQ feedback disabling indication, a first available channel carrying the first SL HARQ feedback information after the processing delay is PSFCH _1, and thus, the starting time of PSFCH _1 is the effective time of disabling the first SL HARQ feedback. After the first terminal receives the first SL HARQ feedback disable indication, the channel (e.g., PSFCH _0) carrying the first SL HARQ feedback information available in the time before the first SL HARQ feedback disable indication processing delay is not the first available channel carrying the first SL HARQ feedback information after the first terminal receives the first SL HARQ feedback disable indication information in the first disable mode. Wherein the processing delay is determined by network configuration and/or the processing capability of the terminal.

It should be noted that the first available channel carrying the first SL HARQ feedback information after the first terminal receives the first SL HARQ feedback disabling indication information is the first available channel carrying the first SL HARQ feedback information that can be processed after the first terminal receives the first SL HARQ feedback disabling indication information and after the processing delay.

Further, according to the second disabling mode, the first lifetime is: a first channel start time after receiving the first SL HARQ feedback disable indication information, which satisfies the following conditions:

the first condition is that: the channel may be used to carry first SL HARQ feedback information;

the second condition is that: the channel does not correspond to the first SL psch transmission feedback prior to the first SL HARQ feedback disable indication information.

The second disabling mode indicates that the configuration information indicates that the first terminal does not perform the first SL HARQ feedback from the first channel satisfying the above condition after receiving the first SL HARQ feedback disabling indication until the first SL HARQ effective time is enabled.

As shown in fig. 1(d), the configuration information indicates that the first terminal does not perform the first SL HARQ feedback from the first channel satisfying the above condition after receiving the first SL HARQ feedback disable indication. PSFCH _1 is a first available channel carrying first SL HARQ feedback information after receiving the first SL HARQ feedback disabling indication information, and PSFCH _1 corresponds to transmission feedback of PSSCH _1 and PSSCH _2 on a first SL before the first SL HARQ feedback disabling indication information at the same time, so PSFCH _1 is not a first channel satisfying a second condition after the first SL HARQ feedback disabling indication information, and the corresponding PSFCH _2 is a first channel satisfying both the first condition and the second condition after the first SL HARQ feedback disabling indication information. Thus, according to the second disabling manner, after the first terminal receives the first SL HARQ feedback disabling indication, the first terminal cancels carrying the first SL HARQ feedback information on the channel available for carrying the first SL HARQ feedback information from and after the PSFCH _2 until the first SL HARQ feedback validation time is enabled. The PSFCH _1 will still make the first SL HARQ feedback, and accordingly, the sending end is guaranteed to acquire the data transmission result before the first SL HARQ feedback disabling indication, thereby guaranteeing the transmission reliability.

It should be noted that, after receiving the first SL HARQ feedback disabling indication information, the first SL HARQ feedback information carrying channel satisfying the first condition and the second condition in the second disabling manner is a first SL HARQ feedback information carrying channel satisfying the first condition and the second condition in the second disabling manner, which can be processed after processing delay after the first terminal receives the first SL HARQ feedback disabling indication information. Wherein the processing time delay is determined by the system configuration and/or the processing capability of the terminal.

Further, according to the third disabling mode, the first lifetime is: after receiving the first indication information, a first available channel start time carrying the first feedback information after an mth time unit, where M is an integer greater than equal 0, and the time unit is a set number of symbols, slots, or subframe lengths.

It should be noted that the value of M is configurable.

It should be noted that the time unit may be one or more symbol lengths, or one or more slot lengths, or one or more subframe lengths, where the symbol/slot/subframe length may be the symbol/slot/subframe length in the first SL transmission configuration, or the symbol/slot/subframe length in other reference configurations.

In the third disabling manner, as shown in fig. 1(e), the PSFCH _2 is a first available channel carrying the first feedback information after the mth time unit after receiving the first indication information, and after receiving the first indication information, the first terminal device cancels carrying the first SL HARQ feedback information on the channel which is available for carrying the first feedback information from the PSFCH _2 and thereafter until the first SL HARQ feedback validation time is enabled.

It should be noted that, in the third disabling, the M time units may or may not include a processing delay of the first terminal receiving the first indication information. If the M time units comprise the processing time delay of the first terminal for receiving the first indication information, the M time units are more than or equal to the processing time delay of the first terminal for receiving the first indication information; and if the M time units do not comprise the processing delay of the first terminal for receiving the first indication information, the starting time of a first available channel carrying the first feedback information after the Mth (M is an integer larger than equal 0) time unit after the processing delay of the first terminal for receiving the first indication information is the first feedback effective time.

In embodiment 1 of the present invention, the enabling of the first SL HARQ feedback validation time determination manner is one of a first enabling manner and a second enabling manner.

Further, according to the first enabling mode, determining the first lifetime as: after receiving the first indication information, a first available channel start time carrying first feedback information.

In the first enabling mode, the first terminal device starts to perform first SL HARQ feedback from a first available channel carrying first feedback information after receiving the first indication information until the first SL HARQ feedback disabling effective time.

As shown in fig. 1(f), the PSFCH _1 is a first available channel carrying the first feedback information after receiving the first indication information, and after receiving the first indication, the first terminal device will carry the first feedback information on the available channel carrying the first feedback information from and after the PSFCH _1 until the first SL HARQ feedback validation time is disabled.

It should be noted that, after the first terminal receives the first SL HARQ feedback enable indication information, the first available channel carrying the first SL HARQ feedback information is a first available channel carrying the first SL HARQ feedback information that can be processed after the first terminal receives the first SL HARQ feedback disable indication information and after the processing delay.

As shown in fig. 1(g), after a certain processing delay elapses after the first terminal receives the first SL HARQ feedback disable indication, a first available channel carrying the first SL HARQ feedback information after the processing delay is PSFCH _1, and thus, a starting time of the PSFCH _1 is an enabling first SL HARQ feedback validation time. After the first terminal receives the first SL HARQ feedback disable indication, the channel (e.g., PSFCH _0) carrying the first SL HARQ feedback information available in the time before the first SL HARQ feedback disable indication processing delay is not the first available channel carrying the first SL HARQ feedback information after the first terminal receives the first SL HARQ feedback disable indication information in the first enabling manner. Wherein the processing delay is determined by network configuration and/or the processing capability of the terminal.

Further, according to the second enabling mode, the first lifetime is: after receiving the first indication information, a first available channel start time carrying the first feedback information after an nth time unit, where N is an integer greater than equal 0, and the time unit is a set number of symbols, slots, or subframe lengths.

It should be noted that N is configurable.

In a second enabling mode, the first indication information is a first SL HARQ feedback enabling indication.

As shown in fig. 1(h), the PSFCH _2 is the first available channel carrying the first feedback information after the nth time unit after the first indication information is received. After receiving the first indication information, the first terminal device will carry the first feedback information on the channel available for carrying the first feedback information from and after PSFCH _2 until the first SL HARQ feedback validation time is disabled.

In embodiment 1 of the present invention, the N time units may or may not include a processing delay for the first terminal device to receive the first SL HARQ feedback enable indication. If the N time units comprise the processing time delay of the first terminal for receiving the first SL HARQ feedback enabling indication, the N time units are more than or equal to the processing time delay of the first terminal for receiving the first SL HARQ feedback enabling indication; if the N time units do not include the processing delay of the first terminal for receiving the first SL HARQ feedback disable indication, the second enabling manner indicates that the starting time of the first available channel carrying the first SL HARQ feedback information after the nth (N is an integer greater than or equal to 0) time unit after the processing delay of the first terminal for receiving the first SL HARQ feedback enable indication is the enabling SL HARQ feedback effective time.

It should be noted that, for the first enabling manner and the second enabling manner, it may happen that the channel carrying the first SL HARQ feedback information after enabling the first SL HARQ feedback validation time corresponds to the first SL PSSCH transmission feedback before the first terminal receives the first SL HARQ feedback enablement indication, and then the channel carrying the first SL HARQ feedback information after enabling the first SL HARQ feedback validation time may carry or may not carry the first SL PSSCH transmission feedback information before the first terminal receives the first SL HARQ feedback enablement indication.

Fig. 1(i) illustrates a channel feedback situation before the first indication information is received.

The first validity time is the starting time of the channel PSFCH _1, and the PSFCH _1 channel corresponds to the feedback channel for transmitting both PSSCH _1 and PSSCH _2 before receiving the first indication information, so the PSFCH _1 channel may or may not carry the feedback information of PSSCH _1 or PSSCH _ 2. Whether the PSFCH _1 channel carries feedback information of the PSSCH _1 or the PSSCH _2 may be determined according to a network configuration or the terminal device's own capability. This example provides a method for determining whether a previous transmission feedback of the first indication information is carried when the first indication information is the enabling indication information, so as to further clarify a channel transmission feedback standard and enhance communication reliability.

In step 102, it should be noted that, the first, second, and third disabling manners may or may not include processing delay.

In step 102, the method for determining whether the channel is an available channel carrying the first feedback information by the first terminal device serving as the receiving UE (terminal) includes allocating, by the network device or the second terminal device serving as the sending UE, or by a protocol agreement, etc., that is, the second terminal device or the network device allocates the channel carrying the first feedback information to the first terminal device and tells the first terminal device through signaling, or the protocol agrees that a fixed channel resource is available for carrying the first feedback information. And in the specific implementation, the first terminal device, the second terminal device and the network device have the same understanding on the available channel carrying the first feedback information.

Step 103, if the first indication information contains an enabling indication, starting to enable a first SLHARQ feedback mechanism at the first lifetime; disabling a first SLHARQ feedback mechanism beginning at the first lifetime if the first indication information includes a disable indication.

In step 103, the enabling indication is a first SL HARQ feedback enabling indication, and if the first indication information includes the enabling indication, the first SL hybrid HARQ feedback mechanism is enabled in the first lifetime, that is, from the first lifetime, the first terminal transmits first SL HARQ feedback information on a channel carrying the first SL HARQ feedback information.

In step 103, the disabling indication is a first SL HARQ feedback disabling indication, and if the first indication information includes the disabling indication, the first SLHARQ feedback mechanism is disabled in the first lifetime, that is, from the first lifetime, the first terminal cancels sending of the first SL HARQ feedback information on the channel carrying the first SL HARQ feedback information.

In step 103, the channel carrying the first SL HARQ feedback information may be a PSFCH, or a PSSCH, or a physical uplink control channel PUCCH, or a physical uplink shared channel PUSCH. If the first feedback information corresponding to the first indication information is sent from the first terminal device to the second terminal device, the channel carrying the first feedback information is a Physical side link feedback channel (PSFCH) or a Physical side link data channel (PSSCH); if the first feedback information is sent from the first terminal device to the network device, the channel carrying the first feedback information is a Physical Uplink Control Channel (PUCCH) or a Physical Uplink Shared Channel (PUSCH).

In step 103, the first feedback information may be transmitted simultaneously using a plurality of different types of channels, for example, using the PSFCH and the PUCCH to transmit the first feedback information to different devices. Further, if the protocol is agreed or the device is default, when the indication information of whether to send the first feedback information to the network device and the indication information of whether to send the first feedback information to the second terminal device are the same indication information, the channel for transmitting the first feedback information contains one or more of PUCCH, PUSCH, pscsch, and PFSCH, and the first terminal device will perform disabling/enabling sending the first feedback information to the second terminal device and the network device when receiving the first indication information; if the protocol is agreed or the equipment is defaulted, whether the first terminal equipment sends the indication information of the first feedback information to the network equipment or not is different from the indication information of whether the first terminal equipment sends the first feedback information to the second terminal equipment or not, if the first indication information in the invention enables/disables the first terminal equipment to send the first feedback information to the network equipment, the channel which carries the first feedback information and corresponds to the first SL HARQ feedback mechanism is executed to be one or more of the PUCCH and the PUSCH; if the first indication information in the present invention is to enable/disable the first terminal device to send the first feedback information to the second terminal device, the channel carrying the first feedback information corresponding to the HARQ feedback mechanism is executed to be one or more of the psch and the PSFCH.

In step 103, the indication information indicating whether the first terminal device sends the first feedback information to the network device, and the indication information indicating whether the first terminal device sends the first feedback information to the second terminal device is different, may be represented by using different indication fields in the same signaling message, or using different signaling messages. In the same signaling message, one indication domain is used for indicating whether the first terminal equipment sends the first feedback information to the network equipment, and the other indication domain is used for indicating whether the first terminal equipment sends the first feedback information to the second terminal equipment; or one signaling message is used for indicating whether the first terminal equipment sends the first feedback information to the network equipment, and the other signaling message is used for indicating whether the first terminal equipment sends the first feedback information to the second terminal equipment.

In step 103, when the first feedback information is disabled, the channel carrying the first feedback information may still carry other information besides the first feedback information.

For example, if the first feedback information is carried by using the PSSCH, which also carries data information, when the first SLHARQ feedback mechanism is disabled, the PSSCH will prohibit the transmission of the first feedback information and only transmit the data information.

For another example, if the PUCCH is used to carry the first feedback information, and the PUCCH also carries HARQ feedback information of other SLs or downlink transmissions, when the first SLHARQ mechanism is disabled, the PUCCH will not send the first feedback information, and only send HARQ feedback information of other SLs or downlink transmissions. In particular, if the channel used for carrying the first feedback information only carries the first feedback information, when the first SLHARQ feedback mechanism is disabled, the first terminal does not transmit the channel carrying the first feedback information.

The vehicle networking communication feedback timing method provided by the first embodiment of the invention appoints feedback effective time for SL HARQ feedback information, and effectively solves the problem that the feedback channel detection of a transmitting end is unclear due to uncertain sending and canceling time of a receiving end feedback channel caused by the uncertain HARQ feedback effective time.

Example 2:

fig. 2 is a flowchart of an embodiment of a communication feedback timing method for internet of vehicles including configuration indication information, as a second embodiment of the present invention, when the configuration information includes a plurality of first validity time determination manners, the configuration indication information is further used to determine one of the first validity time determination manners, and the method includes the following steps:

step 201, receiving first indication information.

Step 201 is synchronous with step 101.

Step 202, obtaining configuration indication information, indexing a first effective time determining mode in the configuration information according to the configuration indication information, and determining first effective time.

In step 202, the manner of acquiring the configuration indication information is at least one of the following: high layer signaling, physical layer signaling, protocol convention write. The configuration indication information may be included in the same signaling as the first indication information. It should be noted that, when the configuration indication information is from a high layer signaling and/or a physical layer signaling, the configuration indication information may be sent by a network device, or may be sent by other terminal devices; when the configuration information is written in advance in the protocol, the configuration information contains relevant configuration parameters set by protocol convention, and the relevant configuration information does not need to be acquired in an air interface mode.

In step 202, the configuration indication information is used to indicate that a first lifetime determination manner in the configuration information is adopted, where the first lifetime determination manner is one of the first disabling manner, the second disabling manner, the third disabling manner, the first enabling manner, and the second enabling manner.

In step 202, the configuration information includes a plurality of determination manners of the first lifetime, and one of the determination manners is used as a final determination manner according to the configuration indication information. It should be noted that the configuration information may also include configuration parameters of other communication transmissions, which is not particularly limited herein.

Step 203, if the first indication information includes an enabling indication, enabling a first SL HARQ feedback mechanism at the first lifetime; disabling a first SL HARQ feedback mechanism for the first lifetime if the first indication information comprises a disable indication.

Step 203 is the same as step 103 in embodiment 1 of the present invention.

In the car networking communication feedback timing method provided by the embodiment 2 of the present invention, the configuration information includes a plurality of first lifetime determination modes, and one of the first lifetime determination modes is selected through signaling or protocol agreement to determine the first lifetime.

Example 3:

fig. 3 is a flowchart of an embodiment of a communication feedback timing method for internet of vehicles including a second indication information reception, which restricts a HARQ feedback mechanism when a second indication information reception time is between a first indication information reception time and a first validity time, and as embodiment 3 of the present invention, a communication feedback timing method for internet of vehicles specifically includes the following steps:

step 301, receiving first indication information.

Step 301 is the same as step 101 in the first embodiment of the present invention.

Step 302, determining a first lifetime according to the configuration information.

In step 302, the configuration information may include one or more first expiration determination methods: when the configuration information includes a first expiration time determination method, step 302, which is the same as step 102 in the first embodiment of the present invention; when the configuration information includes a plurality of first effective time determination methods, the first effective time determination method is further indexed according to the configuration indication information to determine the first effective time, which is the same as step 202 in the second embodiment of the present invention.

Step 303, receiving second indication information between the receiving time of the first indication information and the first validity time.

In step 303, the side link corresponding to the second indication information is the first SL.

Step 304, determining a second effective time according to the configuration information.

In step 304, the second validity time is short for enabling/disabling the first SL HARQ feedback validity time corresponding to the second indication message. The determination method for enabling the first SL HARQ feedback effective time may be any one of the first and second enabling methods in step 102 in embodiment 1 of the present invention; the determining manner of disabling the first SL HARQ feedback effective time may be any one of the first, second, and third disabling manners in step 102 in embodiment 1 of the present invention.

In step 304, when the configuration information includes a second effective time determination method, the configuration information directly indicates the second effective time determination method. .

In step 304, when the configuration information includes a plurality of second effective time determination manners, the configuration information is further indexed according to the configuration indication information, and the second effective time determination manner is determined.

In step 304, the second effective time may be determined in the same manner as the first effective time, or may be determined in a different manner.

Step 305, according to the first and second validation times and the first and second indication information, determining whether to enable or disable the first SL HARQ feedback mechanism during the first and second validation times.

In step 305, when the second effective time is greater than or equal to the first effective time, if the first and second indication information both include enabling indications, a first SLHARQ feedback mechanism is enabled at the first effective time or the second effective time; and if the first and second indication information both contain a disabling indication, disabling a first SL HARQ feedback mechanism at the first or second validation time.

It should be noted that, which of the first validity time or the second validity time enables/disables the first feedback information may be agreed by a protocol or may be transmitted by signaling, and is not particularly limited herein.

Further, if the first indication information comprises a disabling indication and the second indication information comprises an enabling indication, disabling a first SL HARQ feedback mechanism at the first validity time and enabling the first SL HARQ feedback mechanism at the second validity time; enabling a first SL HARQ feedback mechanism at the first validity time and disabling the first SL HARQ feedback mechanism at the second validity time if the first indication information comprises an enabling indication and the second indication information comprises a disabling indication. For example, when the first indication information received by the first terminal is an enabling indication and the second indication information is a disabling indication, the first SL HARQ feedback mechanism is enabled at the first validity time until the second validity time, and the first SL HARQ feedback mechanism is disabled at the second validity time and later until the first SL HARQ validity time is enabled.

Further, when the second validation time is less than the first validation time, if the second indication information contains a disable indication, the first SL HARQ feedback mechanism is disabled at the second validation time until the first SL HARQ feedback validation time is enabled; and if the second indication information contains an enabling indication, starting to enable the first SL HARQ feedback mechanism at the second validation time until the first SL HARQ feedback validation time is disabled.

In the 11 th embodiment of the present invention, if the second indication information includes an enabling indication, the side link hybrid automatic repeat request feedback mechanism is enabled on the first SL at the second validation time, and the side link hybrid automatic repeat request feedback mechanism is kept enabled at the first validation time.

It should be noted that the purpose of sending the second indication information by the second terminal device or the network device is to update and replace the first indication information, and therefore, enabling or disabling the first SL HARQ feedback mechanism corresponds to the second indication information that is received by the first terminal device most recently.

The communication feedback timing method for the internet of vehicles provided in embodiment 3 of the present invention makes an appointment that whether the first SL HARQ feedback mechanism is enabled or disabled when the first terminal receives new indication information before the first lifetime, further improves the feedback standard, and improves the reliability of channel transmission.

Example 4:

fig. 4 is a flowchart of an embodiment of a vehicle networking communication feedback timing method for sending a terminal device, which specifically includes the following steps:

step 401, sending first indication information.

In step 401, the first indication information includes: the first SL HARQ feedback enable indication information or the first SL HARQ feedback disable indication information.

In step 401, the first indication information is sent by the second terminal device. The first indication information may be carried by a physical side link control channel PSCCH or a physical side link shared channel PSCCH.

Further, the first indication information may be triggered to be sent by the second terminal device according to the measurement condition. The reference quantity of measurement needed in the measurement condition is at least one of the following: and link measurement indexes such as receiving and transmitting end distance, RSRP, RSSI and CQI corresponding to the edge link between the first terminal and the second terminal device. And when the measurement reference quantity meets the measurement condition, the second terminal equipment sends first indication information to the first terminal equipment. The measurement condition may be that the measurement reference quantity exceeds or falls below a set condition, for example, the measurement reference measurement exceeds or falls below a set threshold, or the measurement reference quantity continuously exceeds or falls below a set threshold for a set number of times or for a set time.

Optionally, in step 401, the method further includes: and sending the configuration information, wherein the configuration information is sent to the first terminal equipment by the second terminal equipment.

Optionally, in step 401, the method further includes: and sending configuration indication information, wherein the configuration indication information is used for indexing the configuration information and determining the first life time, and at the moment, the configuration indication information is sent to the first terminal equipment by the second terminal equipment.

It should be noted that any signaling of the configuration information or the configuration indication information may be sent by the second terminal device, sent by the network device, and written by the protocol.

Step 402, determining a first lifetime according to the configuration information.

In embodiment 4 of the present invention, the second terminal device determines the first lifetime according to the configuration information, and the manner of determining the first lifetime is the same as the manner of determining the first lifetime by the first terminal device.

Further, when the configuration information includes a plurality of first validity time determination manners, one of the first validity time determination manners is adopted according to the configuration indication information, wherein the second terminal acquires the configuration indication information in a manner indicated by the network device or written by the device, and the first validity time determination manners of the second terminal and the first terminal are the same.

The mode of the second terminal device acquiring the configuration information may be a high layer signaling or a physical layer signaling, and is notified by a network device or other SL sending terminals; or by means of device writing. The device writing means that the device sets the relevant configuration parameters according to the protocol convention, and the relevant configuration information is not required to be acquired through an air interface mode.

Step 403, if the first indication information contains enabling indication, beginning to detect and receive first feedback information at a first lifetime; and if the first indication information contains a disabling indication, beginning to cancel detection and receiving first feedback information at a first lifetime.

Further, the second terminal may determine whether the first SL HARQ feedback is abnormal according to whether the first validity time actually receives the first feedback information. For example, if the second terminal device should receive the first feedback information and actually detects that the first feedback information is received on the feedback channel corresponding to the first SL at the beginning and after the first lifetime, the first SL HARQ feedback is enabled to be normal; otherwise, it is abnormal. For example, if the second terminal device should cancel detection of receiving the first feedback information and actually does not receive the first feedback information on the channel corresponding to the first SL at the beginning of and after the first lifetime, the first SL HARQ feedback is disabled to be normal; otherwise, it is abnormal.

In the communication feedback timing method for the internet of vehicles according to embodiment 4 of the present invention, a first validity time is agreed for SL HARQ feedback information, and whether enabling or disabling the first SL HARQ feedback is normal is obtained by determining whether the feedback information should be received and actually received at the beginning and after the first validity time, so as to improve the reliability of the SL HARQ feedback mechanism.

Example 5:

fig. 5 is a flowchart of an embodiment of a vehicle networking communication feedback timing method for sending a network device, which specifically includes the following steps:

step 501, sending first indication information.

In step 501, the first indication information includes: the first SL HARQ feedback enable indication information or the first SL HARQ feedback disable indication information.

In step 501, the first indication information is sent by a network device. The first indication information may be sent through a Physical Downlink Control Channel (PDCCH) or a Physical Downlink Shared Channel (PDSCH)

Further, the first indication information may be sent by the network device according to the measurement condition judgment trigger. For example, whether the network device sends the first indication information to the first terminal device is determined according to the measurement condition, where the reference quantity required for measurement in the measurement condition is at least one of the following: receiving and transmitting end distance, RSRP, RSSI and CQI corresponding to a communication link between a first terminal and network equipment; the receiving and transmitting end distance, RSRP, RSSI, CQI and the like corresponding to the side link between the first terminal and the second terminal device.

And when the measurement reference quantity meets the measurement condition, the network equipment sends first indication information to the first terminal equipment. The measurement condition may be that the measurement reference quantity exceeds or falls below a set condition, for example, the measurement reference measurement exceeds or falls below a set threshold, or the reference measurement quantity continuously exceeds or falls below a set threshold for a set number of times or for a set time.

Optionally, in step 501, the method further includes: and sending the configuration information, wherein the configuration information is sent to the first terminal equipment by the network equipment.

Optionally, in step 501, the method further includes: and sending configuration indication information, wherein the configuration indication information is used for indexing the configuration information and determining the first life time, and at the moment, the configuration indication information is sent to the first terminal equipment by the network equipment.

Step 502, determining a first lifetime according to the configuration information.

In embodiment 5 of the present invention, the network device determines the first lifetime in the same manner as the first terminal determines the first lifetime according to the configuration information. Further, when the configuration information includes a plurality of first validity time determination manners, one of the first validity time determination manners is adopted according to the configuration indication information, wherein the second terminal acquires the configuration indication information in a manner indicated by the network device or written by the device, and the first validity time determination manners of the second terminal and the first terminal are the same.

The mode of the network equipment for acquiring the configuration information can be high-level signaling and/or physical layer signaling, and is notified by other network equipment; or by means of device writing. The device writing means that the device sets the relevant configuration parameters according to the protocol convention, and the relevant configuration information is not required to be acquired through an air interface mode.

Step 503, if the first indication information contains enabling indication, beginning to detect and receive first feedback information at a first lifetime; not detecting reception of the first feedback information beginning at a first time of life if the first indication information comprises a disabling indication.

Further, the network device may determine whether the first SL HARQ feedback is abnormal according to whether the first validity time actually receives the first feedback information. For example, if the network device should receive the first feedback information and actually detects that the first feedback information is received on the feedback channel corresponding to the first SL at the beginning and after the first lifetime, the first SL HARQ feedback is enabled to be normal; otherwise, it is abnormal. For example, if the network device should cancel detecting the reception of the first feedback information and actually not receive the first feedback information on the channel corresponding to the first SL at the beginning of and after the first lifetime, the first SL HARQ feedback is disabled as normal; otherwise, it is abnormal.

In the communication feedback timing method for the internet of vehicles according to embodiment 5 of the present invention, a first validity time is agreed for SL HARQ feedback information, and whether enabling or disabling the first SL HARQ feedback is normal is obtained by determining whether the feedback information should be received and actually received at the beginning and after the first validity time, so as to improve reliability of an SL HARQ feedback mechanism.

Example 6:

fig. 6 is a flowchart of an embodiment of a communication feedback timing method for internet of vehicles including sending second indication information and used for sending a terminal device, where the method specifically includes the following steps:

step 601, sending first indication information.

Step 601 is the same as step 401 of embodiment 4 of the present invention.

Step 602, determining a first lifetime according to the configuration information.

Step 602 is the same as step 402 of embodiment 4 of the present invention.

Step 603, before the first lifetime, sending second indication information.

In step 603, the side link corresponding to the second indication information is the same as the side link corresponding to the first indication information, and both are the first SL.

Step 604, determining a second effective time according to the configuration information.

In step 604, the second terminal determines the second effective time in the same manner as the first terminal determines the second effective time, and the description is not repeated here.

In step 604, the second effective time may be determined in the same manner as or different from the first effective time.

In step 604, the configuration information may include one or more second effective time determination manners, the configuration information is indexed by the configuration indication information, and the configuration indication information for generating the first effective time and the second effective time may be the same or different, which is not limited herein.

Step 605, according to the first and second effective time, the first and second indication information, determining whether feedback information should be received at the first and second effective time.

In step 605, when the second effective time is greater than or equal to the first effective time, if both the first and second indication information include enabling indication, detecting to receive first feedback information from the first effective time or the second effective time.

It should be noted that, whether to receive and detect the first feedback information from the first validity time or from the second validity time, the first feedback information is received and detected on the corresponding channel carrying the first SL HARQ feedback message, which is not limited herein.

And when the second effective time is greater than or equal to the first effective time, if the first and second indication information both contain a forbidden indication, cancelling receiving and detecting the first feedback information on a corresponding channel carrying the first SL HARQ feedback message from the first effective time or the second effective time.

It should be noted that, whether to cancel the reception of the first feedback information from the first effective time or to cancel the reception of the first feedback information from the second effective time is not particularly limited herein.

And when the second effective time is greater than or equal to the first effective time, if the first indication information contains a disable indication and the second indication information contains an enable indication, cancelling receiving and detecting the first feedback information on a corresponding channel carrying the first SL HARQ feedback message from the first effective time. And receiving and detecting first feedback information on a corresponding channel carrying the first SL HARQ feedback information from the second effective time.

And when the second effective time is greater than or equal to the first effective time, if the first indication information contains an enabling indication and the second indication information contains a disabling indication, receiving and detecting first feedback information on a corresponding channel carrying a first SL HARQ feedback message from the first effective time. And canceling receiving and detecting the first feedback information on a corresponding channel carrying the first SL HARQ feedback information from the second effective time.

When the second effective time is less than the first effective time, if the second indication information contains a forbidden indication, the first feedback information is cancelled and detected from the second effective time on the corresponding channel carrying the first SL HARQ feedback information, and correspondingly, the first feedback information is not received and detected from the first effective time on the corresponding channel carrying the first SL HARQ feedback information; if the second indication information contains a starting indication, receiving and detecting first feedback information on a corresponding channel carrying a first SL HARQ feedback message from the second effective time, and correspondingly receiving and detecting the first feedback information on the corresponding channel carrying the first SL HARQ feedback message from the first effective time;

in step 605, the channels corresponding to the first and second indication information are the channels carrying the first and second feedback information.

Further, if the second terminal device can correctly receive and detect or does not receive and detect the first feedback message in the first effective time and the second effective time according to step 605, the first SL HARQ feedback mechanism is disabled or enabled to work normally; otherwise, it is abnormal.

Example 7:

fig. 7 is a flowchart of an embodiment of a communication feedback timing method for internet of vehicles including sending second indication information and used for sending network devices, where the method specifically includes the following steps:

step 701, sending first indication information.

Step 701 is the same as step 401 of embodiment 4 of the present invention.

Step 702, determining a first lifetime according to the configuration information.

Step 702 is the same as step 402 of embodiment 4 of the present invention.

Step 703, before the first lifetime, sending second indication information.

In step 703, the side link corresponding to the second indication information is the same as the side link corresponding to the first indication information, and both are the first SL.

Step 704, determining a second validation time according to the configuration information.

In step 704, the network device determines the second effective time in the same manner as the first terminal device determines the second effective time, and the description is not repeated here.

In step 704, the second effective time may be determined in the same manner as or different from the first effective time.

In step 704, the configuration information may include one or more second effective time determination manners, the configuration information is indexed by the configuration indication information, and the configuration indication information for generating the first effective time and the second effective time may be the same or different, which is not limited herein.

Step 705, according to the first and second validation times and the first and second indication information, determining whether feedback information should be received at the first and second validation times.

In step 705, when the second effective time is greater than or equal to the first effective time, if both the first and second indication information include enabling indication, detecting to receive first feedback information from the first effective time or the second effective time.

It should be noted that, the receiving of the feedback information is prohibited from the first effective time or the receiving of the feedback information is prohibited from the second effective time, which is not particularly limited herein.

in step 705, the channels corresponding to the first and second indication information are the channels carrying the first and second feedback information.

Example 8:

fig. 8 is an embodiment of a terminal device in a vehicle networking system for a receiving terminal, where the method for timing a feedback of vehicle networking communication is used as an embodiment 8 of the present invention, where the terminal device is a first terminal device, and the method includes: the device comprises a receiving module 11, a configuration module 12, a determination module 13 and a sending module 14.

The configuration module is used for acquiring the configuration information, acquiring the configuration indication information and indexing the configuration information according to the configuration indication information;

the receiving module is configured to receive the first indication information, further configured to receive the configuration information, receive the configuration indication information, and further configured to receive second indication information between a receiving time of the first indication information and the first lifetime;

the determining module is configured to obtain the first validity time according to configuration information, further configured to start enabling or disabling a hybrid automatic repeat request feedback mechanism of the side link at the first validity time according to the first indication information, further configured to obtain the second validity time according to configuration information, and further configured to determine whether the hybrid automatic repeat request feedback mechanism of the side link is enabled or disabled at the first and second validity times according to a numerical relationship between the first and second validity times and signaling types of the first and second indication information:

when the second effective time is greater than or equal to the first effective time, if the first and second indication information both contain enabling indications, starting a first SL HARQ feedback mechanism at the first effective time or the second effective time; if the first and second indication information both contain a disabling indication, then starting at the first or second validity time, disabling the first SL HARQ; if the first indication information comprises a disabling indication and the second indication information comprises an enabling indication, starting enabling a first SL HARQ feedback mechanism at the first validity time and starting disabling the first SL HARQ feedback mechanism at the second validity time; if the first indication information comprises an enabling indication and the second indication information comprises a disabling indication, starting disabling a first SL HARQ feedback mechanism at the first validity time and starting enabling the first SL HARQ feedback mechanism at the second validity time; when the second effective time is less than the first effective time, if the second indication information contains a disabling indication, then starting to disable the first SL HARQ feedback mechanism at the second effective time; starting to enable a first SL HARQ feedback mechanism at a second validation time if the second indication information comprises an enabling indication;

the sending module is configured to send the first SL HARQ feedback information.

The 8 th embodiment of the present invention provides a first terminal device, which is a receiving end in an SL, and the reliability of channel transmission can be improved by using the communication feedback timing method for the internet of vehicles.

Example 9:

fig. 9 is an embodiment of a terminal device for a vehicle networking, which is used for sending a terminal, and uses the vehicle networking communication feedback timing method, as an embodiment of the present invention, the terminal device is a second terminal device, and includes: a sending module 21, a determining module 22, a configuring module 23, and a receiving module 24.

The sending module is configured to send the first indication information, the configuration indication information, and second indication information before the first lifetime;

the configuration module is used for acquiring the configuration information, acquiring the configuration indication information and indexing the configuration information;

the determining module is configured to determine the first lifetime according to configuration information, determine whether a first SL HARQ feedback is abnormal according to whether first feedback information is actually received from the first lifetime, determine the second lifetime according to configuration information, and determine whether feedback information should be received at the first and second lifetimes according to the first and second lifetimes and the first and second indication information;

when the second effective time is greater than or equal to the first effective time, if the first and second indication information both contain enabling indications, first feedback information is detected to be received from the first effective time or the second effective time;

when the second effective time is greater than or equal to the first effective time, if the first and second indication information both contain forbidden indications, cancelling receiving and detecting the first feedback information on a corresponding channel carrying a first SL HARQ feedback message from the first effective time or the second effective time; when the second effective time is greater than or equal to the first effective time, if the first indication information contains an enabling indication and the second indication information contains a disabling indication, receiving and detecting first feedback information on a corresponding channel carrying a first SL HARQ feedback message from the first effective time, and canceling receiving and detecting the first feedback information on the corresponding channel carrying the first SL HARQ feedback message from the second effective time;

and when the second effective time is greater than or equal to the first effective time, if the first indication information contains a disable indication and the second indication information contains an enable indication, cancelling receiving and detecting the first feedback information on a corresponding channel carrying the first SL HARQ feedback message from the first effective time. Receiving and detecting first feedback information on a corresponding channel carrying a first SL HARQ feedback message from the second effective time;

the receiving module is configured to receive the first SL HARQ feedback information.

Embodiment 9 of the present invention provides a second terminal device, which is a sending end in an SL and uses a communication feedback timing method, so as to effectively improve channel transmission reliability.

Embodiment 10:

fig. 10 is an embodiment of a car networking system including a terminal device, the car networking system including a first terminal device and a terminal device using the 8 th embodiment of the present invention, and a second terminal device and a terminal device using the 9 th embodiment of the present invention, the car networking system including: a first terminal device 1, a second terminal device 2.

In embodiment 10 of the present invention, the first terminal device uses the methods of embodiments 1 to 3 of the present invention and uses the terminal device of embodiment 8 of the present invention, so that the first terminal device has all the functions of the terminal device of embodiment 8; the second terminal device uses the method according to embodiment 4 or 6 of the present invention and uses the terminal device according to embodiment 9 of the present invention, and thus has all the functions of the terminal device according to embodiment 9.

The second terminal device is configured to send first indication information, determine a first lifetime according to configuration information, and start to detect and receive first sidelink harq feedback information at the first lifetime if the first indication information includes an enabling indication; and if the first indication information contains a forbidden indication, canceling the detection and receiving of the first side link hybrid automatic repeat request feedback information at a first effective time.

The first terminal device is configured to receive first indication information, determine a first lifetime according to configuration information, and start enabling the first edge link hybrid automatic repeat request feedback mechanism at the first lifetime if the first indication information includes an enabling indication; if the first indication information contains a disabling indication, then disabling the first edge link hybrid automatic repeat request feedback mechanism is started at the first lifetime.

In the 10 th embodiment of the present invention, the configuration information is agreed by a protocol, and it should be noted that the configuration information may also be sent to the first terminal device by the second terminal device.

Example 11:

fig. 11 is an embodiment of a car networking system including a terminal device and a network device, which includes the first terminal device 1 and the network device 3.

In embodiment 11 of the present invention, the first terminal device uses the methods of embodiments 1 to 3 of the present invention and uses the terminal device of embodiment 8 of the present invention, so that the first terminal device has all the functions of the terminal device of embodiment 8; the network device uses the method of embodiment 5 or 7 of the present invention, and therefore, has all the functions of the network device using the method of embodiment 5 or 7.

The network side device is configured to send first indication information, determine a first lifetime according to configuration information, and start to detect and receive first sidelink harq feedback information at the first lifetime if the first indication information includes an enabling indication; and if the first indication information contains a forbidden indication, canceling the detection and receiving of the first side link hybrid automatic repeat request feedback information at a first effective time.

Embodiment 12:

fig. 12 is an embodiment of a car networking system including 2 terminal devices and network devices for communication, and includes the first terminal device 1, the second terminal device, and the network device 3.

In embodiment 12 of the present invention, the first terminal device uses the methods of embodiments 1 to 3 of the present invention and uses the terminal device of embodiment 8 of the present invention, so that the first terminal device has all the functions of the terminal device of embodiment 8; the second terminal device, using the method according to embodiment 4 or 6 of the present invention, uses the terminal device according to embodiment 9 of the present invention, and thus has all the functions of the terminal device according to embodiment 9; the network device uses the method of embodiment 5 or 7 of the present invention, and therefore, has all the functions of the terminal device using the method of embodiment 5 or 7.

The network equipment is used for sending configuration information to the second terminal equipment and the first terminal equipment;

the second terminal device is configured to send first indication information, receive the configuration information, determine a first lifetime, and start to detect and receive first sidelink harq feedback information at the first lifetime if the first indication information includes an enabling indication; and if the first indication information contains a forbidden indication, canceling the detection and receiving of the first side link hybrid automatic repeat request feedback information at a first effective time.

The first terminal device is configured to receive first indication information, and is further configured to receive configuration information, determine a first lifetime, and start enabling the first sidelink harq feedback mechanism at the first lifetime if the first indication information includes an enabling indication; if the first indication information contains a disabling indication, then disabling the first edge link hybrid automatic repeat request feedback mechanism is started at the first lifetime.

Further, the network device is further configured to send configuration indication information to the second terminal device and the first terminal device.

The second terminal device is further configured to receive configuration indication information, index the configuration information, and determine a first lifetime.

The first terminal device is further configured to receive the configuration indication information, index the configuration information, and determine a first lifetime.

It should be noted that the configuration information may be sent to the first terminal device and the second terminal device by a network device, or sent to the second terminal device by the network device, and then sent to the first terminal device by the second terminal device, or written into the first terminal device and the second terminal device by a protocol, or written into the first terminal device by a protocol, sent to the second terminal device by a network device, or written into the second terminal device by a protocol, sent to the first terminal device by the second terminal device, … ….

Likewise, the configuration indication information may have many possibilities as described above, and the description is not repeated here.

Further, the second terminal device is further configured to determine whether to send the first indication information according to the measurement condition.

Further, the second terminal device is further configured to send the second indication information after the first indication information is sent and before the first validity time, and further configured to determine whether the first side link hybrid automatic repeat request mechanism is normal according to whether the first side link hybrid automatic repeat request feedback information is actually received from the first validity time and the second validity time;

the first terminal device is further configured to receive second indication information between the receiving time of the first indication information and the first validity time, and further configured to enable or disable a first sidelink hybrid automatic repeat request feedback mechanism from the first validity time and the second validity time.

It is to be noted that 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.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A vehicle networking communication feedback timing method is characterized by comprising the following steps:

receiving first indication information, wherein the first indication information corresponds to a first side link;

determining a first lifetime according to the configuration information;

starting to enable the first sidelink hybrid automatic repeat request feedback mechanism at the first lifetime if the first indication information contains an enabling indication; if the first indication information contains a disabling indication, then disabling the first edge link hybrid automatic repeat request feedback mechanism is started at the first lifetime.

2. The vehicle networking communication feedback timing method of claim 1, wherein said method further comprises:

acquiring configuration indication information, indexing the configuration information according to the configuration indication information, and determining first life time.

3. The vehicle networking communication feedback timing method according to any one of claims 1 to 2, wherein when the first indication information includes a disabling indication and the configuration information includes a first disabling mode, the first lifetime is:

after receiving the first indication information, a first available channel start time for carrying first sidelink hybrid automatic repeat request feedback information.

4. The vehicle networking communication feedback timing method according to any one of claims 1 to 2, wherein when the first indication information includes a disable indication and the configuration information includes a second disable mode, the first lifetime is:

a channel start time satisfying the following two conditions after receiving the first indication information:

the first condition is that: the channel can be used for carrying first side link hybrid automatic repeat request feedback information;

the second condition is that: the channel does not correspond to the physical side link data channel transmission feedback before the first indication information.

5. The vehicle networking communication feedback timing method according to any one of claims 1 to 2, wherein when the first indication information includes a disable indication and the configuration information includes a third disable mode, the first lifetime is:

after receiving the first indication information, a first available channel start time carrying first sidelink HARQ feedback information after an Mth time unit, where M is an integer greater than equal 0, and the time unit is a set number of symbols, slots, or subframe lengths.

6. The vehicle networking communication feedback timing method according to any one of claims 1 to 2, wherein when the first indication information includes an enabling indication and the configuration information includes a first enabling mode, the first lifetime is:

7. The vehicle networking communication feedback timing method according to any one of claims 1 to 2, wherein when the first indication information includes an enabling indication and the configuration information includes a second enabling mode, the first lifetime is:

after receiving the first indication information, the first available channel start time for carrying the first sidelink harq feedback information after the nth time unit, where N is an integer greater than equal 0, and the time unit is a set number of symbols, slots, or subframe lengths.

8. The vehicle networking communication feedback timing method according to any one of claims 1 to 2, wherein the first feedback effective time comprises a processing delay.

9. The vehicle networking communication feedback timing method according to any one of claims 1 to 2, wherein the configuration information is acquired by at least one of: high layer signaling, physical layer signaling, protocol convention write.

10. The vehicle networking communication feedback timing method according to any one of claims 1 to 2, further comprising:

receiving second indication information between the receiving time of the first indication information and the first validity time, wherein the second indication information corresponds to the same side link as the first indication information;

determining a second effective time according to the configuration information;

according to the first and second effective time and the first and second indication information, judging whether a first side link hybrid automatic repeat request feedback mechanism is started in the corresponding channel at the first and second effective time:

when the second effective time is greater than or equal to the first effective time,

if the first indication information and the second indication information both contain enabling indications, enabling a first side link hybrid automatic repeat request feedback mechanism at the first effective time or the second effective time;

if the first indication information and the second indication information both contain forbidden indications, a first edge link hybrid automatic repeat request feedback mechanism is forbidden at the first effective time or the second effective time;

if the first indication information contains a disable indication and the second indication information contains an enable indication, disabling a first edge link hybrid automatic repeat request feedback mechanism at the first validity time and enabling the first edge link hybrid automatic repeat request feedback mechanism at the second validity time;

enabling a first side link hybrid automatic repeat request feedback mechanism at the first validation time and disabling the first side link hybrid automatic repeat request feedback mechanism at the second validation time if the first indication information comprises an enabling indication and the second indication information comprises a disabling indication;

when the second validation time is less than the first validation time,

if the second indication information contains a forbidden indication, forbidding a first side link hybrid automatic repeat request feedback mechanism in a second effective time, and keeping forbidding the first side link hybrid automatic repeat request feedback mechanism in a first effective time;

and if the second indication information contains an enabling indication, enabling the first side link hybrid automatic repeat request feedback mechanism at the second validation time, and keeping enabling the first side link hybrid automatic repeat request feedback mechanism at the first validation time.

11. The vehicle networking communication feedback timing method according to any one of claims 1 to 2, wherein a channel for carrying the first sidelink HARQ feedback information is at least one of: PUCCH, PUSCH, PSSCH, PFSCH.

12. The vehicle networking communication feedback timing method according to any one of claims 1 to 2, wherein when the first indication information comprises an enabling indication, the configuration information comprises a first enabling mode or a second enabling mode,

and if the channel for carrying the first side link hybrid automatic repeat request feedback information after the first validity time corresponds to the first side link PSSCH transmission feedback before the first indication information, carrying or canceling the first side link PSSCH transmission feedback after the first validity time.

13. The vehicle networking communication feedback timing method according to claim 2, wherein the manner of obtaining the configuration indication information is at least one of: high layer signaling, physical layer signaling, protocol convention write.

14. A vehicle networking communication feedback timing method is characterized by comprising the following steps:

sending first indication information;

determining a first lifetime according to the configuration information;

if the first indication information contains enabling indication, then starting to detect and receive first side link hybrid automatic repeat request feedback information at a first validity time; and if the first indication information contains a forbidden indication, canceling the detection and receiving of the first side link hybrid automatic repeat request feedback information at a first effective time.

15. The internet of vehicles feedback timing method of claim 14, wherein said step of sending a first indication further comprises:

judging whether to send the first indication information according to the measurement condition;

the measurement conditions are as follows: measuring the reference quantity to exceed a set threshold;

the measurement reference includes at least one of: the first side link receiving and transmitting end distance, the reference signal receiving power, the received signal strength indication and the channel quality information indication; or a transceiving end distance between the network device and the receiving terminal, reference signal received power, received signal strength indication, channel quality information indication.

16. The Internet of vehicles feedback timing method of any one of claims 14-15, further comprising:

and according to configuration indication information index configuration information, determining the first life time.

17. The internet of vehicles feedback timing method of any of claims 14-15, wherein after the step of determining a first lifetime based on configuration information, the method comprises:

before the first life time, sending second indication information, wherein the second indication information corresponds to the same side link as the first indication information;

determining a second effective time according to the configuration information;

if the first indication information and the second indication information both contain enabling indications, starting from the first effective time or the second effective time, detecting and receiving first side link hybrid automatic repeat request feedback information;

if the first indication information and the second indication information both contain forbidden indications, the first side link hybrid automatic repeat request feedback information is cancelled and detected from the first effective time or the second effective time;

if the first indication information contains a disable indication and the second indication information contains an enable indication, cancelling reception and detection of first sidelink HARQ feedback information from the first validity time and receiving detection of first sidelink HARQ feedback information from the second validity time on a corresponding sidelink feedback channel;

if the first indication information contains an enabling indication and the second indication information contains a disabling indication, receiving the detected first side link hybrid automatic repeat request feedback information from the first effective time, and canceling the received detected first side link hybrid automatic repeat request feedback information from the second effective time;

when the second validation time is less than the first validation time,

if the second indication information contains a forbidden indication, canceling detection and receiving first side link hybrid automatic repeat request feedback information from the second effective time, and keeping canceling detection and receiving the first side link hybrid automatic repeat request feedback information from the first effective time;

and if the second indication information contains an enabling indication, detecting and receiving first side link hybrid automatic repeat request feedback information from the second effective time, and keeping detecting and receiving the first side link hybrid automatic repeat request feedback information from the first effective time.

18. The Internet of vehicles feedback timing method of any one of claims 14-15, further comprising:

and sending the configuration information.

19. The internet of vehicles feedback timing method of claim 16, wherein said method further comprises:

and sending the configuration indication information.

20. A terminal device of a vehicle networking system using the method of any one of claims 1 to 13, comprising: the device comprises a receiving module, a configuration module, a determination module and a sending module;

the configuration module is used for acquiring the configuration information;

the receiving module is used for receiving the first indication information;

the determining module is configured to obtain the first validity time according to configuration information, and is further configured to enable or disable a first edge link hybrid automatic repeat request feedback mechanism at the first validity time according to the first indication information;

the sending module is configured to send hybrid automatic repeat request feedback information of the first sidelink.

21. The terminal device of claim 20,

the receiving module is further configured to receive the configuration indication information;

the configuration module is further configured to index configuration information according to the configuration indication information.

22. The terminal device of any one of claims 20 to 21, wherein the receiving module is further configured to receive the configuration information and send the configuration information to the configuration module.

23. The terminal device of any one of claims 20 to 21,

the receiving module is further configured to receive second indication information between the receiving time of the first indication information and the first lifetime, where the second indication information corresponds to the same edge link as the first indication information;

the determining module is further configured to,

obtaining the second effective time according to the configuration information;

when the second validation time is less than the first validation time,

if the second indication information contains a forbidden indication, forbidding a first side link hybrid automatic repeat request feedback mechanism at a second effective time, and keeping forbidding the first side link hybrid automatic repeat request feedback mechanism at a first effective time;

24. A terminal device in a vehicle networking system using the method of any one of claims 14 to 19, comprising: the device comprises a sending module, a determining module, a configuration module and a receiving module;

the sending module is used for sending the first indication information;

the configuration module is used for acquiring the configuration information;

the determining module is configured to determine a first lifetime according to the configuration information, and is further configured to determine whether a first side link hybrid automatic repeat request feedback mechanism is normal, starting from the first lifetime, if the first side link hybrid automatic repeat request feedback information is actually received.

25. The terminal device of claim 24,

the configuration module is further configured to obtain the configuration indication information and index the configuration information.

26. The terminal device of any one of claims 24 to 25, further comprising: a measurement module;

and the measurement module is used for measuring the measurement reference quantity and judging whether to send the first indication information or not according to the measurement condition.

27. The terminal device of any one of claims 24 to 25, wherein the sending module is further configured to send the configuration information.

28. The terminal device of any one of claims 24 to 25, wherein the sending module is further configured to send the configuration indication information.

29. The terminal device of any one of claims 24 to 25,

the sending module is further configured to send the second indication information after the first indication information is sent and before the first lifetime;

the determining module is further configured to determine a second effective time according to the configuration information; judging whether a first side link hybrid automatic repeat request mechanism is normal or not according to whether first side link hybrid automatic repeat request feedback information is actually received or not from the first effective time and the second effective time;

the receiving module is configured to receive the first sidelink harq.

30. The terminal equipment in the internet of vehicles of any one of claims 24-25, wherein the channel for carrying the first sidelink hybrid automatic repeat request feedback information is PSSCH and/or PSFCH.

31. A car networking network device using the method of any one of claims 14 to 19, comprising: the device comprises a sending module, a determining module, a configuration module and a receiving module;

the sending module is used for sending the first indication information;

the configuration module is used for acquiring configuration information;

32. The terminal device of claim 31,

33. The Internet of vehicles network device of any one of claims 31-32, further comprising: a measurement module;

34. The vehicle networking device of any of claims 31-32, wherein the sending module is further configured to send the configuration information.

35. The vehicle networking device according to any one of claims 31 to 32, wherein the sending module is further configured to send the configuration indication information.

36. The Internet of vehicles network device of any one of claims 31-32,

the sending module is further configured to send the second indication information after the first indication information is sent and before the first lifetime, where the second indication information corresponds to the same edge link as the first indication information;

the determining module is further configured to determine the second validation time according to the configuration information, and further configured to determine whether the first sidelink harq feedback mechanism is normal according to whether the first sidelink harq feedback information is actually received from the first and second validation times.

37. The terminal equipment of any one of claims 31 to 32, wherein the channel for carrying the first sidelink HARQ feedback information is PUCCH and/or PUSCH.

38. A vehicle networking system, comprising: the terminal device according to any one of claims 20 to 23, the second terminal device, and the terminal device according to any one of claims 24 to 30.

39. A vehicle networking system, comprising: the first terminal device uses the terminal device or the network device according to any one of claims 20 to 23, and uses the network device according to any one of claims 24 to 30.

40. A vehicle networking system, comprising: the terminal device and the second terminal device according to any one of claims 20 to 23, the terminal device and the network device according to any one of claims 24 to 30, and the network device according to any one of claims 31 to 37 are used as the first terminal device.