CN112788622B - A kind of configuration method, device and device of perception window - Google Patents

Abstract

The embodiment of the invention discloses a configuration method, a device and equipment of a perception window, wherein the method comprises the following steps: acquiring service attribute information supported by a receiving resource pool of a node, wherein the service attribute information comprises attribute information of periodic service and/or aperiodic service; and configuring the duration of a sensing window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node. The embodiment of the invention can flexibly set the duration of the sensing window according to the service attribute information, can reduce the sensing window cache and the node receiving cache, and reduces the processing complexity of the node. In addition, the embodiment of the invention can enable or disable the RSSI measurement according to the specific service attribute information, can reduce unnecessary measurement processing and reduce the processing complexity of the node under the condition that the RSSI smoothing processing gain is limited.

Description

A configuration method, device, and device for a perception window

technical field

The invention relates to the technical field of Internet of Vehicles, and in particular, to a configuration method, device and device for a perception window.

Background technique

In terms of communication between IoV nodes, IEEE 802.11p adopts Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) mechanism for channel access. The method delays access to avoid resource collision, but the above mechanism does not consider the sensing mechanism to estimate resource occupancy, and cannot sense the transmission occupancy of periodic basic road safety and other services, so the reliability is low.

The LTE-V2X technology based on the Long Term Evolution system studied in 3GPP R14/R15 version takes into account the periodic service characteristics of basic road safety applications, and adopts resource awareness and semi-persistent scheduling mechanisms to better match the periodicity of basic road safety applications. Service characteristics, which support the reliability requirements of the service.

With the development of the Internet of Vehicles, its business types are also increasing. The 5G NR-based NR-V2X under study supports a variety of enhanced application services. For example, basic road safety applications are periodic and the size of service packets can be predicted. For example, some event-triggered services are It has the characteristics of non-periodicity and unpredictable service package size. In NR-V2X, the latency requirements and reliability requirements of services are more stringent than those supported by LTE-V2X. The setting of the sensing window is the key to the sensing mechanism. Setting an appropriate sensing window can effectively support the processing of various types of services in NR-V2X and reduce the processing complexity.

SUMMARY OF THE INVENTION

At least one embodiment of the present invention provides a method, apparatus and device for configuring a sensing window, which can reduce the sensing window cache and the node receiving cache, and reduce the processing complexity of the node.

In a first aspect, an embodiment of the present invention provides a method for configuring a perception window, including:

acquiring service attribute information supported by the receiving resource pool of the node, where the service attribute information includes attribute information of periodic services and/or aperiodic services;

The duration of the perception window of the receiving resource pool is configured according to the service attribute information supported by the receiving resource pool of the node.

With reference to the first aspect, in some implementations of the first aspect, the step of configuring the duration of the sensing window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node includes:

In the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, configure the sensing window of the receiving resource pool according to the preset maximum duration for buffering all initial retransmission information of service data packets. duration.

With reference to the first aspect, in some implementations of the first aspect, the step of configuring the duration of the sensing window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node includes:

In the case that the service attribute information supported by the receiving resource pool of the node includes only aperiodic services, according to the minimum delay of aperiodic services and the preset maximum duration of buffering all initial retransmission information of service data packets, configure The duration of the perception window of the receiving resource pool.

With reference to the first aspect, in some implementations of the first aspect, the step of configuring the duration of the sensing window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node includes:

When the service attribute information supported by the receiving resource pool of the node only includes periodic services, the duration of the sensing window of the receiving resource pool is configured according to the maximum service period in the periodic services.

With reference to the first aspect, in some implementations of the first aspect, the step of configuring the duration of the sensing window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node includes:

In the case that the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services, determine the maximum service period in the periodic services, and determine the sensor of the aperiodic services. the maximum duration of the window;

The duration of the sensing window of the receiving resource pool is configured according to the larger one of the maximum service period in the periodic service and the maximum duration of the sensing sub-window.

With reference to the first aspect, in some implementations of the first aspect, the step of determining the maximum duration of the sensing sub-window of the aperiodic service includes:

Determine the maximum duration of the sensing sub-window of the aperiodic service according to the preset maximum duration of all initial retransmission information buffering of the service data packet; or,

The maximum duration of the sensing sub-window of the node is determined according to the minimum delay of the aperiodic service and the preset maximum duration of buffering of all initial retransmission information of the service data packet.

In conjunction with the first aspect, some implementations of the first aspect further include:

Whether to enable Received Signal Strength Indication (RSSI, Received Signal Strength Indication) measurement within the sensing window of the receiving resource pool is configured according to the service attribute information supported by the receiving resource pool of the node and/or the received high-level signaling.

With reference to the first aspect, in some implementations of the first aspect, the step of configuring whether to enable RSSI measurement within the sensing window of the receiving resource pool includes:

In the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, configure that the RSSI measurement is not enabled within the sensing window of the receiving resource pool;

In the case that the service attribute information supported by the receiving resource pool of the node only includes periodic services, configure, according to the high-level signaling, to enable or disable RSSI measurement within the sensing window of the receiving resource pool;

When the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services, configure, according to the high-level signaling, to enable or disable RSSI within the sensing window of the receiving resource pool Measurement.

In a second aspect, an embodiment of the present invention further provides an apparatus for configuring a perception window, including:

an attribute acquisition module, configured to acquire service attribute information supported by the receiving resource pool of the node, where the service attribute information includes attribute information of periodic services and/or aperiodic services;

A window configuration module, configured to configure the duration of the perception window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node.

With reference to the second aspect, in some implementations of the second aspect, the window configuration module is further configured to, in the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, according to the preset Set the maximum duration for buffering all initial retransmission information of service data packets, and configure the duration of the perception window of the receiving resource pool.

With reference to the second aspect, in some implementations of the second aspect, the window configuration module is further configured to, in the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, according to the non-periodic service. The minimum delay of periodic services and the preset maximum duration of buffering of all initial retransmission information of service data packets are used to configure the duration of the sensing window of the receiving resource pool.

With reference to the second aspect, in some implementations of the second aspect, the window configuration module is further configured to, in the case that the service attribute information supported by the receiving resource pool of the node only includes periodic services, according to the The maximum service period in the periodic service, and the duration of the sensing window of the receiving resource pool is configured.

With reference to the second aspect, in some implementations of the second aspect, the window configuration module is further configured to, when the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services , determine the maximum service period in the periodic service, and determine the maximum duration of the sensing sub-window of the aperiodic service; according to the maximum service period in the periodic service and the maximum duration of the sensing sub-window The larger of the , configures the duration of the perception window of the receiving resource pool.

In conjunction with the second aspect, in some implementations of the second aspect, the window configuration module includes:

A sub-window determination module, configured to determine the maximum duration of the sensing sub-window of the aperiodic service according to the preset maximum duration of all initial retransmission information buffering of the service data packet; or, according to the minimum delay of the aperiodic service and the preset maximum duration of buffering all initial retransmission information of the service data packet to determine the maximum duration of the sensing sub-window of the node.

In conjunction with the second aspect, in some implementations of the second aspect, the above configuration apparatus further includes:

A measurement configuration module, configured to configure whether RSSI measurement is enabled in the sensing window of the reception resource pool according to the service attribute information supported by the reception resource pool of the node and/or the received high-level signaling.

With reference to the second aspect, in some implementations of the second aspect, the measurement configuration module is further configured to:

In the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, configure that the RSSI measurement is not enabled within the sensing window of the receiving resource pool;

In the case that the service attribute information supported by the receiving resource pool of the node only includes periodic services, configure, according to the high-level signaling, to enable or disable RSSI measurement within the sensing window of the receiving resource pool;

When the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services, configure, according to the high-level signaling, to enable or disable RSSI within the sensing window of the receiving resource pool Measurement.

In a third aspect, an embodiment of the present invention further provides a node, including: a memory, a processor, a transceiver, and a program stored on the memory and executable on the processor;

The processor implements the following steps when executing the program:

acquiring service attribute information supported by the receiving resource pool of the node, where the service attribute information includes attribute information of periodic services and/or aperiodic services;

The duration of the perception window of the receiving resource pool is configured according to the service attribute information supported by the receiving resource pool of the node.

In a fourth aspect, the present application provides a computer storage medium comprising instructions that, when executed on a computer, cause the computer to perform the method as described above.

The beneficial effects of the embodiments of the present application include at least:

The embodiments of the present invention can flexibly set the duration of the sensing window according to the service attribute information, can reduce the sensing window cache and the node receiving cache, and reduce the processing complexity of the node. In addition, the embodiment of the present invention can also enable or disable RSSI measurement according to specific service attribute information, which can reduce unnecessary measurement processing and reduce the processing complexity of nodes when the gain of RSSI smoothing processing is limited.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are for the purpose of illustrating preferred embodiments only and are not to be considered limiting of the invention. Also, the same components are denoted by the same reference numerals throughout the drawings. In the attached image:

Fig. 1 is a timing example diagram of perception and semi-persistent scheduling in the prior art;

FIG. 2 is a flowchart of a method for configuring a perception window according to an embodiment of the present invention;

3 to 7 are exemplary diagrams of the configuration of the perception window provided by the embodiment of the present invention;

FIG. 8 is a structural diagram of an apparatus for configuring a sensing window according to an embodiment of the present invention;

FIG. 9 is a structural diagram of a node according to an embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present invention will be more thoroughly understood, and will fully convey the scope of the present invention to those skilled in the art.

The terms "first", "second" and the like in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It is to be understood that the data so used may be interchanged under appropriate circumstances such that the embodiments of the application described herein can, for example, be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices. In the description and the claims, "and/or" means at least one of the connected objects.

The following description provides examples and does not limit the scope, applicability, or configuration set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the spirit and scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the methods described may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to some examples may be combined in other examples.

Figure 1 shows an example timing diagram of sensing and semi-persistent scheduling in LTE-V2X, and the sensing window is usually set to a fixed length, such as 1000ms. As can be seen from Figure 1, in the R14/R15 version, only the sensing window length of the longest service cycle of periodic services is considered, and a fixed sensing window length is set. The existence of sensing window buffer is large, the terminal node receives a large buffer, and the processing complexity is high. The problem. In addition, through research, it is also found that using a fixed period of 1000ms in the sensing window, the gain of the energy RSSI smoothing process is limited, and the complexity is high.

In order to solve at least one of the above problems, an embodiment of the present invention provides a method for configuring a sensing window. By configuring a suitable sensing window for a node, the sensing window cache and the node receiving cache can be reduced, and the processing complexity of the node can be reduced . As shown in FIG. 2 , the configuration method of the sensing window provided by the embodiment of the present invention includes:

Step 21: Acquire service attribute information supported by the receiving resource pool of the node, where the service attribute information includes attribute information of periodic services and/or aperiodic services.

The embodiment of the present invention configures the perception window with the resource pool as the granularity. In step 21, the service attribute information supported by the receiving resource pool is acquired. Here, the periodic service may include various basic road safety application services, and the data of which usually has a fixed sending period. The aperiodic services may include various services triggered by events, the data transmission of which is aperiodic and has no fixed transmission period. The service attribute information may specifically include a service type, such as a periodic service or aperiodic service, and may also include a period value of the periodic service, such as 10ms, 20ms, and the like.

In addition, in this embodiment of the present invention, the supported service type may be configured in the receiving resource pool in advance, and if it is a periodic service, the service period supported by the receiving resource pool may also be configured, such as the service period supported in the 3GPP R14/R15 version; If it is an aperiodic service, the service period can be set to 0.

Step 22: Configure the duration of the sensing window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node.

Here, the duration of the sensing window of the receiving resource pool in this embodiment of the present invention is configured according to the service attribute information supported by the receiving resource pool, thereby changing the implementation manner of using a fixed duration sensing window in the prior art. information, and flexibly set the duration of the sensing window, which can reduce the sensing window cache and node receiving cache, and reduce the processing complexity of the node.

Specifically, in the foregoing step 22, according to different service attribute information, the embodiment of the present invention provides various implementation manners for configuring the duration of the perception window of the receiving resource pool, which will be described below.

1) The service attribute information supported by the receiving resource pool of the node includes only aperiodic services

As an implementation manner, in the case where the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, the embodiment of the present invention can cache all initial retransmission information of the service data packet according to the preset maximum duration , configure the duration of the sensing window of the receiving resource pool, for example, directly configure the duration of the sensing window as the maximum duration of buffering all initial retransmission information of the service data packet.

When the initial transmission or partial retransmission of a service packet is sent in the perception window, and some retransmissions are sent in the resource selection window, the retransmission in the resource selection window can be known through the reservation information of the initial transmission or partial retransmission Occupied time-frequency resource information, resources occupied by retransmission can be excluded in the resource selection window to avoid resource collision.

For example, according to the design of the 3GPP R14/R15 version, the maximum duration of buffering all initial retransmission information of a service packet is 16ms, that is, the hybrid automatic repeat request processing time window (HDB, Hybrid Automatic Repeat reQuestDelay Budget) is 16ms. In this embodiment of the present invention, when the receiving resource pool only supports aperiodic services, the duration of the sensing window may be configured according to HDB, for example, the maximum duration of the configured sensing window is HDB.

As another implementation manner, in the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, the embodiment of the present invention may use the minimum delay of the aperiodic services and preset service data according to the The maximum duration of buffering all initial retransmission information of a packet, and the duration of the perception window of the receiving resource pool is configured. Specifically, the difference between the minimum delay between the HDB and the aperiodic service may be calculated, and the duration of the sensing window is configured according to the difference. For example, when the node's receiving resource pool supports multiple aperiodic services, the minimum delay is selected to calculate the above difference according to the service delay requirements of these aperiodic services.

In this implementation manner, a more appropriate sensing window size can be set when the aperiodic service is a low-latency service, thereby further reducing the duration of the sensing window, thereby reducing the sensing window cache. The low-latency service may be a service whose service latency requirement is lower than a preset threshold.

2) The service attribute information supported by the receiving resource pool of the node only includes periodic services

When the service attribute information supported by the receiving resource pool of the node only includes periodic services, the duration of the sensing window of the receiving resource pool is configured according to the maximum service period in the periodic services. When the receiving resource pool of the node supports multiple periodic services, the maximum service period can be selected from these periodic services, and the duration of the sensing window of the receiving resource pool can be configured. For example, when the service periods of multiple periodic services are respectively 20ms, 50ms and 100ms, the duration of the sensing window of the receiving resource pool is configured according to 100ms at this time.

3) The service attribute information supported by the receiving resource pool of the node includes periodic service and aperiodic service

In the case that the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services, the maximum service period in the periodic services may be determined, and the perception of the aperiodic services may be determined The maximum duration of the child window. Then, the duration of the sensing window of the receiving resource pool is configured according to the larger one of the maximum service period in the periodic service and the maximum duration of the sensing sub-window.

Wherein, for the determination of the maximum duration of the sensing sub-window of the aperiodic service, reference may be made to the implementation of configuring the sensing window when the service attribute information supported by the receiving resource pool of the node only includes aperiodic services in the above item 1 Way:

For example, the maximum duration of the sensing sub-window of the aperiodic service may be determined according to the preset maximum duration of buffering of all initial retransmission information of the service data packet. Specifically, the maximum duration of buffering all initial retransmission information of the service data packet may be used as the duration of the sensing sub-window.

For another example, the maximum duration of the sensing sub-window of the node may be determined according to the minimum delay of the aperiodic service and the preset maximum duration of buffering all initial retransmission information of the service data packet. Specifically, the difference value of the minimum delay between the HDB and the aperiodic service may be calculated, and the duration of the sensing sub-window is obtained according to the difference value.

Through the above steps, the embodiments of the present invention provide various implementation manners for configuring the duration of the sensing window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node in the case of different types of services. It can be seen from the above implementation manners that the embodiment of the present invention flexibly configures the duration of the sensing window according to the specific service attribute information. Since the fixed-length sensing window is no longer used, the embodiment of the present invention can reduce the sensing window according to the specific service attribute information. Cache and node receive cache, and reduce the processing complexity of the node.

It should be noted that, in this article, to configure the duration of the perception window of the receiving resource pool according to a certain target duration, the duration of the perception window can be set to the target duration, or it can be fine-tuned on the basis of the target duration. For example, a preset duration adjustment value is increased or decreased, and then the duration of the perception window is set to the adjusted target duration. This embodiment of the present invention does not specifically limit this.

In addition, in the above-mentioned method of the embodiment of the present invention, according to the service attribute information supported by the receiving resource pool and/or the received high-level signaling of the node, configure whether to enable RSSI measurement in the sensing window of the receiving resource pool . The higher layer signaling is the signaling sent by the protocol layer above the physical layer of the node. specific,

A) In the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, configure that RSSI measurement is not enabled within the sensing window of the receiving resource pool.

B) In the case that the service attribute information supported by the receiving resource pool of the node only includes periodic services, configure, according to the high-level signaling, to enable or disable RSSI measurement within the sensing window of the receiving resource pool.

C) In the case that the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services, according to the high-level signaling, configure enabling or disabling within the sensing window of the receiving resource pool Can RSSI measurement.

Through the above steps, the embodiment of the present invention can enable or disable RSSI measurement according to specific service attribute information, can reduce unnecessary measurement processing and reduce the processing complexity of nodes when the gain of RSSI smoothing processing is limited.

The configuration method of the sensing window according to the embodiment of the present invention has been described in detail above. The following will further provide several examples of the configuration method of the perception window applying the embodiment of the present invention with reference to the accompanying drawings.

In the following example, the supported service type is configured in the node's receiving resource pool in advance. If it is a periodic service, the service period supported by the receiving resource pool can also be configured, such as the service period supported in the 3GPP R14/R15 version; if It is an aperiodic service, and the service period can be set to 0.

Example 1: Awareness window setting when the receiving resource pool only supports aperiodic services

The node searches the service period configuration of the receiving resource pool. If the service period configuration of the resource pool is 0, it means that only aperiodic services are supported.

When the initial transmission or partial retransmission of a service packet is sent within the sensing window, and some retransmissions are sent within the resource selection window. At this time, it is necessary to set an appropriate sensing window duration according to the HDB. Assuming that the HDB duration is 16ms, that is, the maximum duration of buffering all initial retransmission information of a service packet is 16ms, then in the receiving resource pool, the maximum sensing window can be set to HDB, corresponding to 16ms. As shown in Figure 3, since the receiving resource pool has only aperiodic services, the duration of the perception window is set to HDB, corresponding to 16ms.

Example 2: Awareness window setting when the receiving resource pool only supports aperiodic low-latency services

The node searches the service period configuration of the receiving resource pool. If the service period configuration of the resource pool is 0, it means that only aperiodic services are supported.

When the initial transmission or partial retransmission of a service packet is sent within the sensing window, and some retransmissions are sent within the resource selection window. It is assumed that the HDB duration is 16ms, that is, the maximum duration of buffering all initial retransmission information of a service packet is 16ms, and the minimum service delay requirement of the service is assumed to be 10ms. Then, in the receiving resource pool, the maximum setting of the sensing window is HDB-minimum service delay=16-10=6ms. As shown in Figure 4, since the receiving resource pool has only aperiodic services, the duration of the sensing window is set to 6ms.

Example 3: Awareness window setting when the receiving resource pool only supports periodic services

By searching the service period configuration of the receiving resource pool, the node assumes that the resource pool is configured with multiple service periods and only supports aperiodic services. From the configured multiple service periods, the service period of the largest periodic service can be found. In this case, the duration of the sensing window is set to the maximum service period supported by the configuration of the resource pool. As shown in Figure 5, assuming that the receiving resource pool only sets the service periods of the three supported periodic services as 20ms, 50ms and 100ms, then according to the service period information of the configured periodic services, the maximum service period is 100ms, so , the perception window duration is set to the maximum service period supported by the resource pool configuration, that is, 100ms.

Example 4: Awareness window setting when the receiving resource pool supports periodic services and aperiodic services

The node configures the business cycle by looking up the receiving resource pool:

If there is a periodic service, find the maximum service period of the periodic service configured and supported in the resource pool, assuming that it is P1;

If there is aperiodic service, then determine the maximum duration P2 of the sensing sub-window length of the aperiodic service supported by the current system, and the determination method of P2 can refer to Example 1 or Example 2;

Set the sensing window duration of the resource pool for computing mixed periodic services and aperiodic services to the maximum value of P1 and P2: max{P1,P2}

As shown in FIG. 6 , assuming the receiving resource pool, the service periods of the three supported periodic services are set to be 20ms, 50ms and 100ms, and aperiodic services are also supported. According to the service period information of the configured periodic service, the maximum service period is 100ms. Also referring to Example 1, it is determined that the perceptual sub-window (HDB) of the aperiodic service is 16ms. Then, the service period duration of the maximum periodic service is compared with the HDB, and the larger value is the maximum service period of the periodic service 100ms, so the sensing window duration of the hybrid service is 100ms.

As shown in FIG. 7 , assuming the receiving resource pool, the service periods of the two supported periodic services are set as 10ms and 15ms, and aperiodic services are also supported. According to the service period information of the configured periodic service, the maximum service period is 15ms. Referring to Example 1 at the same time, it can be determined that the maximum duration (HDB) of the sensing sub-window length of the aperiodic service is 16ms. Then, the service cycle duration of the maximum periodic service is compared with the maximum duration of the sensing window length of the aperiodic service, and the larger value is the maximum duration of the sensing window length of the aperiodic service 16ms, so the sensing window duration of the hybrid service is 16ms.

The above describes the configuration method of the sensing window according to the embodiment of the present invention. Apparatus for carrying out the above method will be further provided below.

Referring to FIG. 8 , an embodiment of the present invention provides a configuration device 80 for a perception window, which can be applied to a node device in the Internet of Vehicles. As shown in FIG. 8 , the configuration device 80 for a perception window includes:

an attribute acquisition module 81, configured to acquire service attribute information supported by the receiving resource pool of the node, where the service attribute information includes attribute information of periodic services and/or aperiodic services;

The window configuration module 82 is configured to configure the duration of the sensing window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node.

Through the above modules, the device 80 for configuring the sensing window in the embodiment of the present invention can flexibly configure the duration of the sensing window according to the service attribute information, which can reduce the sensing window cache and the node receiving cache, and reduce the processing complexity of the node.

Optionally, the window configuration module 82 is further configured to cache according to all initial retransmission information of the preset service data packets when the service attribute information supported by the receiving resource pool of the node only includes aperiodic services. The maximum duration of the receiving resource pool is configured, and the duration of the perception window of the receiving resource pool is configured.

Optionally, the window configuration module 82 is further configured to, in the case that the service attribute information supported by the receiving resource pool of the node includes only aperiodic services, according to the minimum delay of the aperiodic services and the preset value. The maximum duration of buffering all initial retransmission information of the service data packet, and the duration of the perception window of the receiving resource pool is configured.

Optionally, the window configuration module 82 is further configured to configure all the periodic services according to the maximum service period in the periodic services when the service attribute information supported by the receiving resource pool of the node only includes periodic services. Describe the duration of the perception window of the receiving resource pool.

Optionally, the window configuration module 82 is further configured to determine the maximum service among the periodic services when the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services. period, and determine the maximum duration of the sensing sub-window of the aperiodic service; configure the receiving resource according to the larger of the maximum service period in the periodic service and the maximum duration of the sensing sub-window The duration of the pool's awareness window.

Optionally, the window configuration module includes the following modules (not shown in the figure):

A sub-window determination module, configured to determine the maximum duration of the sensing sub-window of the aperiodic service according to the preset maximum duration of all initial retransmission information buffering of the service data packet; or, according to the minimum delay of the aperiodic service and the preset maximum duration of buffering all initial retransmission information of the service data packet to determine the maximum duration of the sensing sub-window of the node.

Optionally, the above configuration device further includes the following modules (not shown in the figure):

A measurement configuration module, configured to configure whether RSSI measurement is enabled in the sensing window of the reception resource pool according to the service attribute information supported by the reception resource pool of the node and/or the received high-level signaling.

Optionally, the measurement configuration module is further used for:

In the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, configure that the RSSI measurement is not enabled within the sensing window of the receiving resource pool;

In the case that the service attribute information supported by the receiving resource pool of the node only includes periodic services, configure, according to the high-level signaling, to enable or disable RSSI measurement within the sensing window of the receiving resource pool;

When the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services, configure, according to the high-level signaling, to enable or disable RSSI within the sensing window of the receiving resource pool Measurement.

Referring to FIG. 9, an embodiment of the present invention provides a node 900 in the Internet of Vehicles. The node 900 includes: a processor 901, a transceiver 902, a memory 903, a user interface 904, and a bus interface.

In this embodiment of the present invention, the node 900 further includes: a program stored on the memory 903 and executable on the processor 901 .

When the processor 901 executes the program, the following steps are implemented:

acquiring service attribute information supported by the receiving resource pool of the node, where the service attribute information includes attribute information of periodic services and/or aperiodic services;

The duration of the perception window of the receiving resource pool is configured according to the service attribute information supported by the receiving resource pool of the node.

It is understandable that in this embodiment of the present invention, when the computer program is executed by the processor 901, each process of the above-mentioned embodiment of the method for configuring the sensing window shown in FIG. 2 can be implemented, and the same technical effect can be achieved. , which will not be repeated here.

In FIG. 9 , the bus architecture may include any number of interconnected buses and bridges, in particular one or more processors represented by processor 901 and various circuits of memory represented by memory 903 linked together. The bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein. The bus interface provides the interface. Transceiver 902 may be a number of elements, including a transmitter and a receiver, that provide a means for communicating with various other devices over a transmission medium. For different user equipments, the user interface 904 may also be an interface capable of externally connecting the required equipment, and the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.

The processor 901 is responsible for managing the bus architecture and general processing, and the memory 903 may store data used by the processor 901 in performing operations.

In some embodiments of the present invention, a computer-readable storage medium is also provided, on which a program is stored, and when the program is executed by a processor, the following steps are implemented:

acquiring service attribute information supported by the receiving resource pool of the node, where the service attribute information includes attribute information of periodic services and/or aperiodic services;

The duration of the perception window of the receiving resource pool is configured according to the service attribute information supported by the receiving resource pool of the node.

When the program is executed by the processor, all the implementation manners in the above-mentioned configuration methods of the sensing window can be realized, and the same technical effect can be achieved. In order to avoid repetition, details are not repeated here.

Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of the present invention.

Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

In the embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solutions in the embodiments of the present invention.

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

The functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution. The computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes: a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk and other mediums that can store program codes.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (14)

1. a configuration method of a perception window, characterized in that, comprising: acquiring service attribute information supported by the receiving resource pool of the node, where the service attribute information includes attribute information of periodic services and/or aperiodic services; According to the service attribute information supported by the receiving resource pool of the node, configure the duration of the perception window of the receiving resource pool, including: In the case that the service attribute information supported by the receiving resource pool of the node includes only aperiodic services, according to the minimum delay of aperiodic services and the preset maximum duration of buffering all initial retransmission information of service data packets, configure the duration of the perception window of the receiving resource pool; When the service attribute information supported by the receiving resource pool of the node only includes periodic services, the duration of the sensing window of the receiving resource pool is configured according to the maximum service period in the periodic services. 2. The method according to claim 1, wherein the step of configuring the duration of the sensing window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node, further comprises: In the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, configure the sensing window of the receiving resource pool according to the preset maximum duration for buffering all initial retransmission information of service data packets. duration. 3. The method according to claim 1, wherein the step of configuring the duration of the sensing window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node comprises: In the case that the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services, determine the maximum service period in the periodic services, and determine the sensor of the aperiodic services. the maximum duration of the window; The duration of the sensing window of the receiving resource pool is configured according to the larger one of the maximum service period in the periodic service and the maximum duration of the sensing sub-window. 4. The method of claim 3, wherein the step of determining the maximum duration of the sensing sub-window of the aperiodic service comprises: Determine the maximum duration of the sensing sub-window of the aperiodic service according to the preset maximum duration of all initial retransmission information buffering of the service data packet; or, The maximum duration of the sensing sub-window of the node is determined according to the minimum delay of the aperiodic service and the preset maximum duration of buffering of all initial retransmission information of the service data packet. 5. The method of any one of claims 1 to 4, further comprising: According to the service attribute information supported by the receiving resource pool of the node and/or the received high-level signaling, configure whether to enable the RSSI measurement of the received signal strength indication within the sensing window of the receiving resource pool. 6. The method according to claim 5, wherein the step of configuring whether to enable RSSI measurement in the sensing window of the receiving resource pool comprises: In the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, configure that the RSSI measurement is not enabled within the sensing window of the receiving resource pool; In the case that the service attribute information supported by the receiving resource pool of the node only includes periodic services, configure, according to the high-level signaling, to enable or disable RSSI measurement within the sensing window of the receiving resource pool; When the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services, configure, according to the high-level signaling, to enable or disable RSSI within the sensing window of the receiving resource pool Measurement. 7. A configuration device for a sensing window, comprising: an attribute acquisition module, configured to acquire service attribute information supported by the receiving resource pool of the node, where the service attribute information includes attribute information of periodic services and/or aperiodic services; a window configuration module, configured to configure the duration of the perception window of the receiving resource pool according to the service attribute information supported by the receiving resource pool of the node; The window configuration module is further configured to, in the case that the service attribute information supported by the receiving resource pool of the node includes only aperiodic services, according to the minimum delay of the aperiodic services and all the preset service data packets. The maximum duration of the initial retransmission information cache, and the duration of the perception window of the receiving resource pool is configured; The window configuration module is further configured to, in the case that the service attribute information supported by the receiving resource pool of the node only includes periodic services, configure the receiving resource pool according to the maximum service period in the periodic services. The duration of the perception window. 8. The apparatus of claim 7, wherein The window configuration module is further configured to, in the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, configure the configuration according to the preset maximum duration of all initial retransmission information cached in the service data packet. The duration of the perception window of the receiving resource pool. 9. The apparatus of claim 7, wherein The window configuration module is further configured to, in the case that the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services, determine the maximum service period in the periodic services, and determine The maximum duration of the sensing sub-window of the aperiodic service; according to the larger of the maximum service period in the periodic service and the maximum duration of the sensing sub-window, configure the sensing window of the receiving resource pool. duration. 10. The apparatus of claim 9, wherein the window configuration module comprises: A sub-window determination module, configured to determine the maximum duration of the sensing sub-window of the aperiodic service according to the preset maximum duration of all initial retransmission information buffering of the service data packet; or, according to the minimum delay of the aperiodic service and the preset maximum duration of buffering all initial retransmission information of the service data packet to determine the maximum duration of the sensing sub-window of the node. 11. The device of any one of claims 7 to 10, further comprising: A measurement configuration module, configured to configure whether RSSI measurement is enabled in the sensing window of the reception resource pool according to the service attribute information supported by the reception resource pool of the node and/or the received high-level signaling. 12. The apparatus of claim 11, wherein the measurement configuration module is further configured to: In the case that the service attribute information supported by the receiving resource pool of the node only includes aperiodic services, configure that the RSSI measurement is not enabled within the sensing window of the receiving resource pool; In the case that the service attribute information supported by the receiving resource pool of the node only includes periodic services, configure, according to the high-level signaling, to enable or disable RSSI measurement within the sensing window of the receiving resource pool; When the service attribute information supported by the receiving resource pool of the node includes periodic services and aperiodic services, configure, according to the high-level signaling, to enable or disable RSSI within the sensing window of the receiving resource pool Measurement. 13. A node comprising: a memory, a processor, a transceiver, and a program stored on the memory and executable on the processor; characterized in that, The processor implements the following steps when executing the program: acquiring service attribute information supported by the receiving resource pool of the node, where the service attribute information includes attribute information of periodic services and/or aperiodic services; According to the service attribute information supported by the receiving resource pool of the node, configure the duration of the perception window of the receiving resource pool, including: In the case that the service attribute information supported by the receiving resource pool of the node includes only aperiodic services, according to the minimum delay of aperiodic services and the preset maximum duration of buffering all initial retransmission information of service data packets, configure the duration of the perception window of the receiving resource pool; When the service attribute information supported by the receiving resource pool of the node only includes periodic services, the duration of the sensing window of the receiving resource pool is configured according to the maximum service period in the periodic services. 14. A computer storage medium, characterized by comprising instructions that, when executed on a computer, cause the computer to perform the method of any one of claims 1 to 6.

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