WO2024032299A1

WO2024032299A1 - Method and apparatus for determining resource position of periodic time slot resource

Info

Publication number: WO2024032299A1
Application number: PCT/CN2023/106742
Authority: WO
Inventors: 尚顺顺; 高鑫; 刘梦婷
Original assignee: 华为技术有限公司
Priority date: 2022-08-10
Filing date: 2023-07-11
Publication date: 2024-02-15
Also published as: CN117676616A

Abstract

The present application provides a method and apparatus for determining the resource position of a periodic time slot resource. The method is applied to a first device, and comprises: a first device receives first configuration information, the first configuration information comprising configuration parameters; on the basis of the configuration parameters and an index k, the first device determines the resource position of a first periodic time slot resource from a sidelink resource pool, wherein the index k is obtained by numbering time slots in the sidelink resource pool, and k is an integer greater than or equal to 0; and the first periodic time slot resource is used for periodically sending a sidelink signal. Therefore, when facing a periodic sidelink service, the first device canuse the first periodic time slot resource to periodically send a sidelink signal, so that the processing complexity of the first device can be reduced.

Description

Resource location determination method and device for periodic time slot resources

This application requests the priority of the Chinese patent application submitted to the State Intellectual Property Office of China on August 10, 2022, with application number 202210957737.7 and the application name "Method and Device for Determining Resource Location of Periodic Time Slot Resources", and its entire content is approved by This reference is incorporated into this application.

Technical field

The present application relates to the field of communication technology, and in particular, to a resource location determination method and device for periodic time slot resources.

Background technique

In version (release, Rel) 16 of the 3rd generation partnership project (3GPP), downlink time difference of arrival (DL-TDOA) and downlink angle (downlink angle) are supported. of departure, DL-AOD), uplink time difference of arrival (UL-TDOA), uplink angle of arrival (UL-AOA), multi-cell round-trip delay (Multi-cell round trip time, multi-RTT) and other positioning technologies.

In the above positioning technology, the transmitting end sends a positioning reference signal to the receiving end, and the receiving end receives the positioning reference signal and measures the relevant information of the positioning reference signal (such as arrival time/transmission angle/arrival angle), and then the receiving end obtains the positioning reference signal based on the measurement. Relevant information, as well as distance information or angle information between the receiving end and the sending end with a known position, etc., are used to infer the location information of the receiving end.

During the standard evolution process of 3GPP Rel-18, sidelink (SL) positioning technology was proposed. In order to enable sidelink positioning, a sidelink positioning reference signal needs to be sent between the first device and the first device. For burst positioning services, aperiodic sidelink positioning reference signals may be sent between the first device and the first device. However, for periodic positioning services, if aperiodic sidelink positioning reference signals are still used, the first device needs to periodically perform resource sensing and resource selection, which will increase the processing complexity of the first device. And bring greater power consumption.

Contents of the invention

The embodiments of the present application provide a method and device for determining the resource location of periodic time slot resources, which is beneficial to reducing the processing complexity of terminal equipment when facing periodic sidelink services.

In the first aspect, embodiments of the present application provide a resource location determination method for periodic time slot resources, which can be applied to a first device (for example, a device or chip of the first device). In this method, the first device receives first configuration information, and the first configuration information includes configuration parameters. The first device determines the resource location of the first cycle time slot resource from the sidelink resource pool based on the configuration parameter and the index k.

The index k is obtained by numbering the time slots in the sidelink resource pool, and k is an integer greater than or equal to 0. The first cycle time slot resource is used for periodically transmitting sidelink signals.

It can be seen that in this embodiment of the present application, the first device can determine the resource location of the first cycle time slot resource from the sidelink resource pool based on the configuration parameter and index k in the first configuration information. Therefore, when the first device faces periodic sidelink services, it does not need to periodically perform resource sensing and resource selection. It can directly use the first periodic time slot resources and periodically send sidelink signals, which is beneficial to reducing The processing complexity of the first device is also beneficial to reducing the power consumption of the first device.

In an optional implementation, the configuration parameters include one or more of the following: a first parameter, a second parameter, one or more third parameters, a fourth parameter, and a fifth parameter.

It can be understood that the resource set in which the first cycle time slot resource is located includes one or more resources, and each resource includes one or more time slots. The time slot offset of the resource set where the first cycle time slot resource is located is determined based on the first parameter. The resources are concentrated and the period of each resource is determined based on the second parameter. The resources are concentrated, and the time slot offset of each resource is determined based on the third parameter corresponding to the resource. In this resource concentration, the number of time slots included in each resource in one cycle is determined based on the fourth parameter. The resource is concentrated, and the interval between adjacent time slots in each resource within a cycle is determined based on the fifth parameter.

In an optional implementation manner, the first configuration information also includes a valid duration of the configuration parameter, and the valid duration of the configuration parameter may also correspond to the valid duration of the first cycle time slot resource. That is to say, within the validity period of the configuration parameter, the first device can use the first periodic time slot resource determined based on the configuration parameter.

Optionally, when the first configuration information includes the validity period of the configuration parameter, the first device can also use The first cycle time slot resource periodically sends sidelink positioning reference signals or sidelink synchronization signal blocks to reduce the processing complexity of terminal equipment when facing periodic sidelink services.

In an optional implementation, the first configuration information includes multiple sets of configuration parameters, and each set of configuration parameters includes the above first parameters, second parameters, one or more third parameters, fourth parameters, and fifth parameters. One or more items.

In this case, the first device may also receive first indication information. The first indication information is used to indicate the first set of configuration parameters to be activated and/or deactivated among the multiple sets of configuration parameters. The first set of configuration parameters is the multiple sets of configuration parameters. Any set or sets of parameters.

Therefore, the first device determines the resource location of the first cycle time slot resource from the sidelink resource pool based on the configuration parameters and the index k, including: based on the first indication information, multiple sets of configuration parameters and the index k, from the sidelink resource pool Determine the resource location of the first cycle time slot resource in the link resource pool.

In this method, the first device can obtain multiple sets of configuration parameters from the first configuration information, and determine the usable configuration parameters from the multiple sets of configuration parameters based on the first indication information, and then based on the usable configuration parameters and the index k , determine the resource location of the first cycle time slot resource from the sidelink resource pool.

In an optional implementation, before receiving the first configuration information, the first device may also send positioning requirement information, where the positioning requirement information includes one or more of the following: positioning period, positioning priority, and positioning duration. Positioning requirement information is used to determine configuration parameters. This method is helpful for the second device to determine more reasonable configuration parameters based on positioning requirement information.

In an optional implementation, the first device may also receive second indication information, and the second indication information is used to indicate whether the sidelink resource pool can be used to determine the first periodic time slot resource. Thereby, the first device determines whether the resources in the sidelink resource pool can be utilized, and periodically sends the sidelink signal.

In an optional implementation, the first configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control information SCI , radio resource control of the first interface, the first interface signaling protocol stack, and the second interface.

The first interface is an interface between two different terminal devices, and the second interface is an interface between side link positioning and ranging functional units of two different terminal devices.

In an optional implementation, k satisfies the following formula: Among them, T _offset is the first parameter, T _per is the second parameter, T _offset,res is the third parameter, T _rep is the fourth parameter, and T _gap is the fifth parameter.

It can be understood that when k satisfies the above formula including various parameters, the time slot position corresponding to k is the resource position of the first cycle time slot resource. This method can ensure that the first periodic time slot resource determined by the first device is a periodic time slot resource in the sidelink resource pool.

In an optional implementation, the first indication information and/or the second indication information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, Sidelink control information SCI, radio resource control of the first interface, first interface signaling protocol stack, and second interface. The first interface is an interface between two different terminal devices, and the second interface is an interface between side link positioning and ranging functional units of two different terminal devices.

In a second aspect, the present application also provides a resource location determination method for periodic time slot resources. The resource location determination method for periodic time slot resources in this aspect corresponds to the resource location determination method for periodic time slot resources described in the first aspect. , the resource location determination method of periodic time slot resources in this aspect is explained from the second device side (can be applied to the device or chip of the second device). In this method, the second device determines first configuration information, and the first configuration information includes configuration parameters. The second device sends the first configuration information.

The configuration parameters are used to determine the resource location of the first periodic time slot resource, and the first periodic time slot resource is used to periodically transmit sidelink signals.

It can be seen that in this embodiment of the present application, the second device configures the configuration parameters for determining the resource location of the first periodic time slot resource to the first device, thereby facilitating the first device to determine the first periodic time slot resource based on the configuration parameters. resource location. This further helps the first device to utilize the first cycle time slot resources to periodically send sidelink signals when facing periodic sidelink services, which helps reduce the processing complexity of the first device, and also It is beneficial to reduce the power consumption of the first device.

The first parameter is used to determine the time slot offset of a resource set in which the first cycle time slot resource is located. The resource set includes one or more resources, and each resource includes one or more time slots. The second parameter is used to determine the period of each resource in the resource set. For one or more third parameters, each third parameter is used to determine the time slot offset of the resource corresponding to the third parameter in the resource set. The fourth parameter is used to determine the number of time slots included in each resource in a cycle in this resource set. The fifth parameter is used to determine the interval between adjacent time slots in each resource in the resource set within a cycle.

In an optional implementation, the first configuration information also includes the validity period of the configuration parameter. The validity period of configuration parameters means that within the validity period, the configuration parameters can be used, and outside the validity period, the configuration parameters cannot be used.

In an optional implementation, the first configuration information includes multiple sets of configuration parameters, and each set of configuration parameters includes one of a first parameter, a second parameter, one or more third parameters, a fourth parameter, and a fifth parameter. item or multiple items. That is to say, the second device can configure multiple sets of configuration parameters through the first configuration information.

In this case, the second device may also send first indication information. The first indication information is used to indicate the first set of configuration parameters to be activated and/or deactivated among the multiple sets of configuration parameters. The first set of configuration parameters is the multiple sets of configuration parameters. any one or more of them. This method is helpful for the first device to determine a usable set of configuration parameters from multiple sets of configuration parameters based on the first indication information.

In an optional implementation, before the second device determines the first configuration information, it may also receive positioning requirement information. The positioning requirement information includes one or more of the following: positioning cycle, positioning priority, and positioning duration. Therefore, the second device determines the first configuration information, including: determining the first configuration information based on the positioning requirement information.

In this method, the second device can more reasonably determine the configuration parameters in the first configuration information based on the positioning requirements of the first device. This further facilitates the first device to determine first period time slot resources that are more suitable for periodic positioning requirements based on the configuration parameters.

In an optional implementation, the second device may also send second indication information, where the second indication information is used to indicate whether the sidelink resource pool can be used to determine the first periodic time slot resources.

In a third aspect, the present application also provides a resource location determination method for periodic time slot resources. The resource location determination method for periodic time slot resources in this aspect is also explained from the side of the first device (applicable to the device of the first device). or on a chip). In this method, the first device receives second configuration information. The second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource. The period of the first periodic time slot resource is the first period. An integer multiple of the period of the bitmap. The first device periodically applies the value of the first bit map to the time slots in the first time slot set, and determines the second time slot set from the first time slot set. The first device determines the resource location of the first periodic time slot resource from the second time slot set based on the configuration parameter and the period of the first periodic time slot resource.

The first time slot set includes time slots in the configured physical time slots except for uplink time slots, time slots in which synchronization signal blocks are located, and reserved time slots. The first cycle time slot resource is used for periodically transmitting sidelink signals.

It can be seen that in the embodiment of the present application, the first device determines the second time slot set from the first time slot set based on the value of the first bit map in the second configuration information, and determines the second time slot set based on the configuration in the second configuration information. parameters and the mid-cycle of the first-cycle time slot resources, and determine the resource location of the first-cycle time slot resources from the second time slot set. Therefore, when the first device faces periodic sidelink services, it does not need to periodically perform resource sensing and resource selection. It can directly use the first periodic time slot resources and periodically send sidelink signals, which is beneficial to reducing The processing complexity of the first device is also beneficial to reducing the power consumption of the first device.

In an optional implementation, the configuration parameters include one or more of the following: a first parameter, one or more third parameters, a fourth parameter, and a fifth parameter.

It can be understood that the resource set in which the first cycle time slot resource is located includes one or more resources, and each resource includes one or more time slots. The time slot offset of the resource set where the first cycle time slot resource is located is determined based on the first parameter. The resources are concentrated, and the time slot offset of each resource is determined based on the third parameter corresponding to the resource. In this resource concentration, the number of time slots included in each resource in one cycle is determined based on the fourth parameter. The resource is concentrated, and the interval between adjacent time slots in each resource within a cycle is determined based on the fifth parameter.

In an optional implementation manner, the valid duration of the configuration parameter may also correspond to the valid duration of the first cycle time slot resource. That is to say, if the validity period of the configuration parameter expires, the first device cannot use the first cycle time slot resource determined based on the configuration parameter.

Optionally, when the second configuration information includes the valid duration of the configuration parameter, the first device may also use the first periodic time slot resource to periodically send the sidelink positioning reference signal or Sidelink synchronization signal block to reduce the processing complexity of terminal equipment when facing periodic sidelink services.

In an optional implementation, the second configuration information includes multiple sets of configuration parameters, each set of configuration parameters including one or more of the above first parameters, one or more third parameters, fourth parameters and fifth parameters. item. In this case, the first device may also receive first indication information. The first indication information is used to indicate the first set of configuration parameters to be activated and/or deactivated among the multiple sets of configuration parameters. The first set of configuration parameters is the multiple sets of configuration parameters. Any set or sets of parameters.

Therefore, before using the configuration parameters, the first device first determines a usable set of configuration parameters from multiple sets of configuration parameters based on the first indication information.

In an optional implementation, before receiving the second configuration information, the first device may also send positioning requirement information, where the positioning requirement information includes one or more of the following: positioning period, positioning priority, and positioning duration. Positioning requirement information is used to determine configuration parameters. This method is helpful for the second device to determine more reasonable second configuration information based on the positioning requirement information.

In an optional implementation, the first device may also receive third indication information, and the third indication information is used to indicate whether the first time slot set can be used to determine the first periodic time slot resource.

In an optional implementation, the second configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control information SCI , radio resource control of the first interface, the first interface signaling protocol stack, and the second interface.

In an optional implementation, the first indication information and/or the third indication information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, Sidelink control information SCI, radio resource control of the first interface, first interface signaling protocol stack, and second interface. The first interface is an interface between two different terminal devices, and the second interface is an interface between side link positioning and ranging functional units of two different terminal devices.

In a fourth aspect, the present application also provides a resource location determination method for periodic time slot resources. The resource location determination method for periodic time slot resources in this aspect corresponds to the resource location determination method for periodic time slot resources described in the third aspect. , the resource location determination method of periodic time slot resources in this aspect is explained from the second device side (can be applied to the device or chip of the second device). In this method, the second device determines second configuration information. The second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource. The period of the first periodic time slot resource is the first periodic time slot resource. An integer multiple of the period of the bitmap. The second device sends second configuration information.

The second configuration information is used to determine the resource location of the first periodic time slot resource, and the first periodic time slot resource is used to periodically transmit the sidelink signal.

It can be seen that in this embodiment of the present application, the second device configures the second configuration information used to determine the resource location of the first periodic time slot resource, thereby facilitating the first device to determine the first periodic time slot resource based on the second configuration information. resource location. This further facilitates the first device to use the first periodic time slot resource to periodically send sidelink signals when facing periodic sidelink services, which can reduce the processing complexity of the first device.

The first parameter is used to determine the time slot offset of a resource set in which the first cycle time slot resource is located. The resource set includes one or more resources, and each resource includes one or more time slots. For one or more third parameters, each third parameter is used to determine the time slot offset of the resource corresponding to the third parameter in the resource set. Among them, the fourth parameter is used to determine the resource concentration and the number of time slots included in each resource in one cycle. The fifth parameter is used to determine the interval between adjacent time slots in each resource in the resource set within a cycle.

In an optional implementation, the second configuration information also includes the validity period of the configuration parameters. The validity period of configuration parameters means that within the validity period, the configuration parameters can be used, and outside the validity period, the configuration parameters cannot be used.

In an optional implementation, the second configuration information includes multiple sets of configuration parameters, each set of configuration parameters including one or more of the above-mentioned first parameters, one or more third parameters, fourth parameters and fifth parameters. item. That is to say, the second device can configure multiple sets of configuration parameters through the second configuration information.

In an optional implementation, before the second device determines the second configuration information, it may also receive positioning requirement information. The positioning requirement information includes one or more of the following: positioning cycle, positioning priority, and positioning duration. Therefore, the second device determines the second configuration information, including: determining the second configuration information based on the positioning requirement information.

In this method, the second device can more reasonably determine the configuration parameters in the second configuration information based on the positioning requirements of the first device. This further facilitates the first device to determine first period time slot resources that are more suitable for periodic positioning requirements based on the configuration parameters.

In an optional implementation, the second device may also send third indication information. The third indication information is used to indicate whether the first time slot set can be used to determine the first periodic time slot resource. The first time slot set It includes time slots other than uplink time slots, time slots where synchronization signal blocks are located, and reserved time slots among the material time slot resources configured in the first device.

In a fifth aspect, the present application also provides a resource location determination method for periodic time slot resources. The resource location determination method for periodic time slot resources in this aspect is explained from the side of the first device (applicable to the device of the first device). or on a chip). In this method, the first device determines the resource location where the intersection of the third time slot set and the fourth time slot set is located as the resource location where the first cycle time slot resource is located.

Wherein, the third time slot set includes second periodic time slot resources, and the second periodic time slot resources are determined from configured physical time slots. The fourth set of slots includes slots in the sidelink resource pool. The first cycle time slot resource is used for periodically transmitting sidelink signals.

It can be seen that in the embodiment of the present application, the first device determines the resource location where the intersection of the second periodic time slot resource determined from the configured physical time slot and the time slot in the sidelink resource pool is located as the first The resource location where periodic time slot resources are located. This helps the first device to use the first periodic time slot resource and periodically send sidelink signals when facing periodic sidelink services, which can reduce the processing complexity of the first device.

In an optional implementation, the first device may also use the first periodic time slot resource to periodically send sidelink positioning reference signals or sidelink synchronization signal blocks to reduce processing time of the first device. the complexity.

In a sixth aspect, the present application also provides a resource location determination method for periodic time slot resources. The resource location determination method for periodic time slot resources in this aspect is also explained from the side of the first device (applicable to the device of the first device). or on a chip). In this method, the first device receives third configuration information, and the third configuration information includes the value of the second bitmap, the period of the first periodic time slot resource, the period of the second bitmap, and the configuration parameters. The first device determines time slots other than uplink time slots among the configured physical time slots as time slots in the fifth time slot set. The first device periodically applies the value of the second bitmap to the time slots in the fifth time slot set to obtain the sixth time slot set. Based on the configuration parameters, the first device determines the resource location of the first cycle time slot resource from the resource locations where the time slots in the sixth time slot set are located.

Among them, the period of the time slot resource in the first period is an integer multiple of the period of the second bitmap, and the period of the second bitmap is the number of time slots in the physical time slot within a time slot allocation period except the uplink time slot. an integer multiple of the number. The first cycle time slot resource is used for periodically transmitting sidelink signals.

It can be seen that in this embodiment of the present application, the first device determines the resource location of the first periodic time slot resource for periodically transmitting the sidelink signal based on the received third configuration information. This helps the first device to use the first periodic time slot resource and periodically send sidelink signals when facing periodic sidelink services, which can reduce the processing complexity of the first device.

Wherein, the time slot offset of the resource set in which the first cycle time slot resource is located is determined based on the first parameter. The resource set includes one or more resources, and each resource in the one or more resources includes one or more time slot. The resources are concentrated, and the time slot offset of each resource is determined based on the third parameter corresponding to the resource. In this resource concentration, the number of time slots included in each resource in one cycle is determined based on the fourth parameter. The resource is concentrated, and the interval between adjacent time slots in each resource within a cycle is determined based on the fifth parameter.

In an optional implementation, the third configuration information also includes priorities of sidelink synchronization signal blocks and sidelink positioning reference signals. Therefore, the first device can also use the first periodic time slot resource to periodically send the sidelink positioning reference signal based on the priority of the sidelink synchronization signal block and the sidelink positioning reference signal.

It can be understood that when the resource location of the sidelink synchronization signal block and the sidelink positioning reference signal are the same as the first device, if the priority of the sidelink synchronization signal block is higher than that of the sidelink positioning reference signal, Sidelink positioning reference signal, the first device sends a sidelink synchronization signal block at this resource location. If the priority of the sidelink positioning reference signal is higher than the priority of the sidelink synchronization signal block, the first device The device sends a sidelink positioning reference signal at this resource location.

In an optional implementation manner, the third configuration information also includes a valid duration of the configuration parameter, and the valid duration of the configuration parameter may also correspond to the valid duration of the first cycle time slot resource. That is to say, within the validity period of the configuration parameter, the first device can use the first periodic time slot resource determined based on the configuration parameter.

Optionally, when the third configuration information includes the valid duration of the configuration parameter, the first device may also use the first periodic time slot resource to periodically send the sidelink positioning reference signal or Sidelink synchronization signal block to reduce the processing complexity of terminal equipment when facing periodic sidelink services.

In an optional implementation, the third configuration information includes multiple sets of configuration parameters, each set of configuration parameters including one or more of the above first parameters, one or more third parameters, fourth parameters and fifth parameters. item.

In this case, the first device may also receive first indication information. The first indication information is used to indicate the first set of configuration parameters to be activated and/or deactivated among the multiple sets of configuration parameters. The first set of configuration parameters is the multiple sets of configuration parameters. Any set or sets of parameters. Therefore, the first device can determine a usable set of configuration parameters from multiple sets of configuration parameters based on the first indication information.

In an optional implementation, before receiving the third configuration information, the first device may also send positioning requirement information, where the positioning requirement information includes one or more of the following: positioning period, positioning priority, and positioning duration. Positioning requirement information is used to determine configuration parameters. This method is helpful for the second device to determine more reasonable configuration parameters based on the positioning requirement information.

In an optional implementation, the third configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control information SCI , radio resource control of the first interface, the first interface signaling protocol stack, and the second interface.

In an optional implementation, the first indication information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control information SCI , radio resource control of the first interface, the first interface signaling protocol stack, and the second interface. The first interface is an interface between two different terminal devices, and the second interface is an interface between side link positioning and ranging functional units of two different terminal devices.

In a seventh aspect, the present application also provides a resource location determination method of periodic time slot resources. The resource location determination method of periodic time slot resources in this aspect corresponds to the resource location determination method of periodic time slot resources described in the sixth aspect. , the resource location determination method of periodic time slot resources in this aspect is explained from the second device side (can be applied to the device or chip of the second device). In this method, the second device determines third configuration information, and the third configuration information includes the value of the second bitmap, the period of the first periodic time slot resource, the period of the second bitmap, and the configuration parameters. The second device sends third configuration information. The third configuration information is used to determine the resource location of the first periodic time slot resource. The first periodic time slot resource is used to periodically transmit sidelink signals.

It can be seen that in the embodiment of the present application, the second device is configured with the third configuration information used to determine the resource location of the first periodic time slot resource, thereby facilitating the first device to determine the first periodic time slot based on the third configuration information. The resource location of the resource. This further facilitates the first device to use the first periodic time slot resource and periodically send sidelink signals when facing periodic sidelink services, which can reduce the processing complexity of the first device.

The first parameter is used to determine the time slot offset of a resource set in which the first periodic time slot resource is located. The resource set includes one or more resources, and each resource in the one or more resources includes one or more time slots. gap. The third parameter is used to determine the time slot offset of each resource in the resource set. The fourth parameter is used to determine the number of time slots included in each resource in a cycle in this resource set. The fifth parameter is used to determine the interval between adjacent time slots in each resource in the resource set within a cycle.

In an optional implementation, the third configuration information also includes the priority of the sidelink synchronization signal block and the sidelink positioning reference signal, so as to facilitate the first device based on the sidelink synchronization signal block and the sidelink positioning reference signal. According to the priority of the downlink positioning reference signal, the first cycle time slot resource is used to periodically send the sidelink positioning reference signal.

In an optional implementation, the third configuration information also includes the validity period of the configuration parameters. The validity period of configuration parameters means that within the validity period, the configuration parameters can be used, and outside the validity period, the configuration parameters cannot be used.

In this case, the second device may also send first indication information. The first indication information is used to indicate the first set of configuration parameters to be activated and/or deactivated among the multiple sets of configuration parameters. The first set of configuration parameters is the multiple sets of configuration parameters. Any set or sets of parameters. This facilitates the first device to determine a usable set of configuration parameters from multiple sets of configuration parameters based on the first indication information.

In an optional implementation, the second device can also receive positioning requirement information, and the positioning requirement information includes one or more of the following: positioning period, positioning priority, and positioning duration. Therefore, the second device can determine the configuration parameters more reasonably based on the positioning requirement information.

In an eighth aspect, the present application also provides a resource location determination method for periodic time slot resources. The resource location determination method for periodic time slot resources in this aspect is also explained from the first device side (can be applied to the device of the first device). or on chip). In this method, the first device receives fourth configuration information, and the fourth configuration information includes the value of the third bitmap, the period of the third bitmap, the period of the first cycle time slot resource, and the configuration parameters. The first device periodically applies the value of the third bitmap to the configured physical time slots to obtain a seventh time slot set. The first device determines an eighth time slot set from the seventh time slot set based on the configuration parameter, the period of the third bitmap, and the period of the first periodic time slot resource. The first device determines the resource location of the first periodic time slot resource according to the time slots in the eighth time slot set except the uplink time slots.

Among them, the period of the third bitmap is an integer multiple of the time slot allocation period of the physical time slot, and the period of the first period time slot resource is an integer multiple of the period of the third bitmap. The first cycle time slot resource is used for periodically transmitting sidelink signals.

It can be seen that in the embodiment of the present application, the first device determines the resource location of the first periodic time slot resource based on the received fourth configuration information, which is beneficial to the first device when facing periodic sidelink services. The first cycle time slot resource periodically transmits the sidelink signal, thereby helping to reduce the processing complexity of the first device.

Wherein, the time slot offset of the resource set in which the first cycle time slot resource is located is determined based on the first parameter. The resource set includes one or more resources, and each resource in the one or more resources includes one or more time slot. When resources are concentrated, the time slot offset of each resource is determined based on the third parameter corresponding to the resource. Resource concentration, the number of time slots included in each resource in a cycle is determined based on the fourth parameter. Resource concentration, the interval between adjacent time slots in each resource within a cycle is determined based on the fifth parameter.

In an optional implementation, the fourth configuration information also includes priorities of sidelink synchronization signal blocks and sidelink positioning reference signals. Therefore, the first device can use the first periodic time slot resource to periodically send the sidelink positioning reference signal based on the priority of the sidelink synchronization signal block and the sidelink positioning reference signal.

In an optional implementation, the fourth configuration information also includes a valid duration of the configuration parameter, and the valid duration of the configuration parameter may also correspond to the valid duration of the first cycle time slot resource. That is to say, within the validity period of the configuration parameter, the first device can use the first periodic time slot resource determined based on the configuration parameter.

Optionally, when the fourth configuration information includes the valid duration of the configuration parameter, the first device may also use the first periodic time slot resource to periodically send the sidelink positioning reference signal or Sidelink synchronization signal block to reduce the processing complexity of terminal equipment when facing periodic sidelink services.

In an optional implementation, the fourth configuration information includes multiple sets of configuration parameters, each set of configuration parameters including one or more of the above first parameters, one or more third parameters, fourth parameters and fifth parameters. item.

In an optional implementation, before receiving the fourth configuration information, the first device may also send positioning requirement information, where the positioning requirement information includes one or more of the following: positioning period, positioning priority, and positioning duration. Positioning requirement information is used to determine configuration parameters. This method helps the second device determine the configuration parameters more reasonably based on the positioning requirement information.

In an optional implementation, the fourth configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control information SCI , radio resource control of the first interface, the first interface signaling protocol stack, and the second interface.

In a ninth aspect, the present application also provides a resource location determination method of periodic time slot resources. The resource location determination method of periodic time slot resources in this aspect corresponds to the resource location determination method of periodic time slot resources described in the eighth aspect. , the resource location determination method of periodic time slot resources in this aspect is explained from the second device side (can be applied to the device or chip of the second device). In this method, the second device determines fourth configuration information, and the fourth configuration information includes the value of the third bitmap, the period of the third bitmap, the period of the first periodic time slot resource, and the configuration parameters. The second device sends the fourth configuration information.

Among them, the period of the third bitmap is an integer multiple of the time slot allocation period of the physical time slot, and the period of the first period time slot resource is an integer multiple of the period of the third bitmap. The fourth configuration information is used to determine the resource location of the first periodic time slot resource, and the first periodic time slot resource is used to periodically transmit sidelink signals.

It can be seen that in the embodiment of the present application, the second device configures the fourth configuration information used to determine the resource location of the first periodic time slot resource, thereby facilitating the first device to determine the first periodic time slot resource based on the fourth configuration information. resource location. This further facilitates the first device to use the first periodic time slot resources to periodically send sidelink signals when facing periodic sidelink services, which can reduce the processing complexity of the first device.

In an optional implementation, the fourth configuration information also includes the priority of the sidelink synchronization signal block and the sidelink positioning reference signal, so as to facilitate the first device based on the sidelink synchronization signal block and the sidelink positioning reference signal. According to the priority of the downlink positioning reference signal, the first cycle time slot resource is used to periodically send the sidelink positioning reference signal.

In an optional implementation, the fourth configuration information also includes the validity period of the configuration parameter. The validity period of configuration parameters means that within the validity period, the configuration parameters can be used, and outside the validity period, the configuration parameters cannot be used.

In a tenth aspect, the present application also provides a communication device. The communication device has part or all of the functions of the first device described in the first aspect, the third aspect, the fifth aspect, the sixth aspect, or the eighth aspect, or implements the second aspect, or Part or all of the functions of the second device described in the fourth aspect, or the seventh aspect, or the ninth aspect. For example, the communication device may have the functions of some or all of the embodiments of the first device described in the first aspect of this application, or may have the functions of independently implementing any of the embodiments of this application. The functions described can be implemented by hardware, or can be implemented by hardware executing corresponding software. The hardware or software includes one or more units or modules corresponding to the above functions.

In a possible design, the structure of the communication device may include a processing unit and a communication unit, and the processing unit is configured to support the communication device to perform corresponding functions in the above method. The communication unit is used to support communication between the communication device and other communication devices. The communication device may further include a storage unit coupled to the processing unit and the communication unit, which stores necessary program instructions and data for the communication device.

In one implementation, the communication device includes: a processing unit and a communication unit;

A communication unit, configured to receive first configuration information; the first configuration information includes configuration parameters;

A processing unit configured to determine the resource location of the first cycle time slot resource from the sidelink resource pool based on the configuration parameter and index k; the index k is the time slot resource in the sidelink resource pool. The slots are numbered; the k is an integer greater than or equal to 0; the first periodic time slot resource is used to periodically transmit sidelink signals.

In addition, in this aspect, for other optional implementations of the communication device, please refer to the relevant content of the above-mentioned first aspect, which will not be described in detail here.

In another implementation, the communication device includes: a processing unit and a communication unit;

A processing unit configured to determine first configuration information; the first configuration information includes configuration parameters;

A communication unit, configured to send the first configuration information; the configuration parameters are used to determine resource locations of first periodic time slot resources; and the first periodic time slot resources are used to periodically send sidelink signals.

In addition, in this aspect, for other optional implementations of the communication device, please refer to the relevant content of the above-mentioned second aspect, which will not be described in detail here.

In yet another implementation, the communication device includes: a processing unit and a communication unit;

A communication unit, configured to receive second configuration information; the second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource; the period of the first periodic time slot resource is An integer multiple of the period of the first bit graph;

a processing unit configured to periodically apply the value of the first bit map to the time slots in the first time slot set, and determine the second time slot set from the first time slot set; the first The time slot set includes time slots in the configured physical time slots other than non-uplink time slots, time slots in which synchronization signal blocks are located, and reserved time slots; the processing unit is also configured to based on the configuration parameters and the first cycle The period of the time slot resource is determined from the second time slot set, and the resource location of the first periodic time slot resource is determined; the first periodic time slot resource is used to periodically transmit sidelink signals.

In addition, in this aspect, for other optional implementations of the communication device, please refer to the relevant content of the above-mentioned third aspect, which will not be described in detail here.

A processing unit configured to determine second configuration information; the second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource; the period of the first periodic time slot resource is An integer multiple of the period of the first bit graph;

A communication unit, configured to send second configuration information; the second configuration information is used to determine the resource location of the first periodic time slot resource, and the first periodic time slot resource is used to periodically send sidelinks Signal.

In addition, in this aspect, for other optional implementations of the communication device, please refer to the relevant content of the above-mentioned fourth aspect, which will not be described in detail here.

In yet another embodiment, the communication device includes: a processing unit and a communication unit; the communication unit is used for transmitting and receiving data/signaling;

The processing unit is configured to determine the resource location where the intersection of the third time slot set and the fourth time slot set is located as the resource location where the time slot resources of the first period are located; the third time slot set includes the second period time slot resources; the second periodic time slot resource is determined from the configured physical time slots; the fourth time slot set includes time slots in the sidelink resource pool.

In addition, in this aspect, for other optional implementations of the communication device, please refer to the relevant content of the above-mentioned fifth aspect, which will not be described in detail here.

The communication unit is configured to receive third configuration information; the third configuration information includes the value of the second bitmap, the period of the first periodic time slot resource, the period of the second bitmap and configuration parameters;

The processing unit is configured to determine the time slots other than the uplink time slots in the configured physical time slots as time slots in the fifth time slot set; the processing unit is also configured to determine the second time slots in the configured physical time slots. The value of the bitmap periodically acts on the time slots in the fifth time slot set to obtain a sixth time slot set; the processing unit is also configured to obtain the sixth time slot from the sixth time slot based on the configuration parameter. Determine the resource location of the first periodic time slot resource in the set; the period of the first periodic time slot resource is an integer multiple of the period of the second bitmap; the period of the second bitmap is the physical time slot One time slot allocation period is an integer multiple of the number of time slots other than uplink time slots in the period; the first period time slot resources are used to periodically transmit sidelink signals.

In addition, in this aspect, for other optional implementations of the communication device, please refer to the relevant content of the above-mentioned sixth aspect, which will not be described in detail here.

The processing unit is used to determine third configuration information; the third configuration information includes the value of the second bitmap, the period of the first periodic time slot resource, the period of the second bitmap and configuration parameters;

The communication unit is configured to send the third configuration information; the period of the first periodic time slot resource is an integer multiple of the period of the second bitmap; the period of the second bitmap is the physical An integer multiple of the number of time slots other than uplink time slots in one time slot allocation period; the third configuration information is used to determine the resource location of the first cycle time slot resource; the third configuration information is used to determine the resource location of the first cycle time slot resource; A periodic time slot resource is used to periodically transmit sidelink signals.

In addition, in this aspect, for other optional implementations of the communication device, please refer to the relevant content of the seventh aspect, which will not be described in detail here.

The communication unit is configured to receive fourth configuration information; the fourth configuration information includes the value of the third bitmap, the period of the third bitmap, the period of the first periodic time slot resource, and configuration parameters;

The processing unit is configured to periodically apply the value of the third bitmap to the configured physical time slots to obtain a seventh time slot set;

The processing unit is further configured to determine an eighth time slot set from the seventh time slot set based on the configuration parameter, the period of the third bitmap and the period of the first periodic time slot resource; The processing unit is further configured to determine the resource location of the first periodic time slot resource according to the time slots in the eighth time slot set except the uplink time slot; the period of the third bitmap is the The time slot allocation period of the physical time slot is an integer multiple of the period; the period of the first periodic time slot resource is an integer multiple of the period of the third bitmap; the first periodic time slot resource is used for periodic Send sidelink signals.

In addition, in this aspect, for other optional implementations of the communication device, please refer to the relevant content of the above-mentioned eighth aspect, which will not be described in detail here.

The processing unit is configured to determine fourth configuration information; the fourth configuration information includes the value of the third bitmap, the period of the third bitmap, the period of the first periodic time slot resource, and configuration parameters;

The communication unit is configured to send the fourth configuration information; the period of the third bitmap is an integer multiple of the time slot allocation period of the physical time slot; the period of the first periodic time slot resource is An integer multiple of the period of the third bitmap; the fourth configuration information is used to determine the resource location of the first periodic time slot resource; the first periodic time slot resource is used to periodically transmit sidelinks road signal.

In addition, in this aspect, for other optional implementations of the communication device, please refer to the relevant content of the above-mentioned ninth aspect, which will not be described in detail here.

As an example, the communication unit may be a transceiver or a communication interface, the storage unit may be a memory, and the processing unit may be a processor.

In one implementation, the communication device includes: a processor and a transceiver;

A transceiver, configured to receive first configuration information; the first configuration information includes configuration parameters;

A processor, configured to determine the resource location of the first cycle time slot resource from the sidelink resource pool based on the configuration parameter and index k; the index k is the time slot resource in the sidelink resource pool. The slots are numbered; the k is an integer greater than or equal to 0; the first periodic time slot resource is used to periodically transmit sidelink signals.

In another implementation, the communication device includes: a processor and a transceiver;

A processor, configured to determine first configuration information; the first configuration information includes configuration parameters;

A transceiver, used to send the first configuration information;

The configuration parameters are used to determine the resource location of the first periodic time slot resource; the first periodic time slot resource is used to periodically transmit sidelink signals.

In yet another implementation, the communication device includes: a processor and a transceiver;

A transceiver, configured to receive second configuration information; the second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource; the period of the first periodic time slot resource is An integer multiple of the period of the first bit graph;

A processor, configured to periodically apply the value of the first bit map to the time slots in the first time slot set, and determine the second time slot set from the first time slot set; the first The time slot set includes time slots in the configured physical time slots other than non-uplink time slots, time slots in which synchronization signal blocks are located, and reserved time slots; the processor is also configured to based on the configuration parameters and the first cycle The period of the time slot resource is determined from the second time slot set, and the resource location of the first periodic time slot resource is determined; the first periodic time slot resource is used to periodically transmit sidelink signals.

A processor, configured to determine second configuration information; the second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource; the period of the first periodic time slot resource is An integer multiple of the period of the first bit graph;

A transceiver, configured to send second configuration information; the second configuration information is used to determine the resource location of the first periodic time slot resource, and the first periodic time slot resource is used to periodically transmit sidelinks Signal.

In yet another embodiment, the communication device includes: a processor and a transceiver; the transceiver is used to transmit and receive data/signaling;

The processor is configured to determine the resource location where the intersection of the third time slot set and the fourth time slot set is located as the resource location where the time slot resources of the first period are located; the third time slot set includes the second period time slot resources; the second periodic time slot resource is determined from the configured physical time slots; the fourth time slot set includes time slots in the sidelink resource pool.

The transceiver is configured to receive third configuration information; the third configuration information includes the value of the second bitmap, the period of the first periodic time slot resource, the period of the second bitmap and configuration parameters;

The processor is configured to determine the time slots other than the uplink time slots in the configured physical time slots as time slots in the fifth time slot set; the processor is also configured to determine the second time slot The value of the bitmap periodically acts on the time slots in the fifth time slot set to obtain a sixth time slot set; the processor is also configured to obtain a sixth time slot set from the sixth time slot based on the configuration parameter. Determine the resource location of the first periodic time slot resource in the set; the period of the first periodic time slot resource is an integer multiple of the period of the second bitmap; the period of the second bitmap is the physical time slot One time slot allocation period is an integer multiple of the number of time slots other than uplink time slots in the period; the first period time slot resources are used to periodically transmit sidelink signals.

The processor is configured to determine third configuration information; the third configuration information includes the value of the second bitmap, the period of the first periodic time slot resource, the period of the second bitmap and configuration parameters;

The transceiver is configured to send the third configuration information; the period of the first periodic time slot resource is an integer multiple of the period of the second bitmap; the period of the second bitmap is the physical An integer multiple of the number of time slots other than uplink time slots in one time slot allocation period; the third configuration information is used to determine the resource location of the first cycle time slot resource; the third configuration information is used to determine the resource location of the first cycle time slot resource; A periodic time slot resource is used to periodically transmit sidelink signals.

The transceiver is configured to receive fourth configuration information; the fourth configuration information includes the value of the third bitmap, the period of the third bitmap, the period of the first cycle time slot resource, and configuration parameters;

The processor is configured to periodically apply the value of the third bitmap to the configured physical time slots to obtain a seventh time slot set; the processor is also configured to based on the configuration parameters, The period of the third bitmap and the period of the first periodic time slot resource determine an eighth time slot set from the seventh time slot set; the processor is also configured to determine the eighth time slot set according to the eighth time slot set. For time slots in the slot set other than uplink time slots, determine the resource location of the first periodic time slot resource;

The period of the third bitmap is an integer multiple of the time slot allocation period of the physical time slot; the period of the first periodic time slot resource is an integer multiple of the period of the third bitmap; A periodic time slot resource is used to periodically transmit sidelink signals.

The processor is configured to determine fourth configuration information; the fourth configuration information includes the value of the third bitmap, the period of the third bitmap, the period of the first periodic time slot resource, and configuration parameters;

The transceiver is configured to send the fourth configuration information; the period of the third bitmap is an integer multiple of the time slot allocation period of the physical time slot; the period of the first periodic time slot resource is An integer multiple of the period of the third bitmap; the fourth configuration information is used to determine the resource location of the first periodic time slot resource; the first periodic time slot resource is used to periodically transmit sidelinks road signal.

In another embodiment, the communication device is a chip or a chip system. The processing unit can also be embodied as a processing circuit or a logic circuit; the communication unit can be an input/output interface, interface circuit, output circuit, input circuit, pin or related circuit on the chip or chip system.

During the implementation process, the processor may be used to perform, for example, but not limited to, baseband related processing, and the transceiver may be used to perform, for example, but not limited to, radio frequency transceiver. The above-mentioned devices may be arranged on separate chips, or at least part or all of them may be arranged on the same chip. For example, processors can be further divided into analog baseband processors and digital baseband processors. Among them, the analog baseband processor can be integrated with the transceiver on the same chip, and the digital baseband processor can be set on an independent chip. With the continuous development of integrated circuit technology, more and more devices can be integrated on the same chip. For example, the digital baseband processor can be integrated with a variety of application processors (such as but not limited to graphics processors, multimedia processors, etc.) on the same chip. Such a chip can be called a system on a chip (SoC). Whether each device is independently installed on different chips or integrated on one or more chips often depends on the needs of product design. The embodiments of this application do not limit the implementation form of the above devices.

In an eleventh aspect, the present application also provides a processor for executing the various methods mentioned above. In the process of executing these methods, the process of sending the above information and receiving the above information in the above method can be understood as the process of the processor outputting the above information, and the process of the processor receiving the input above information. When outputting the above information, the processor outputs the above information to the transceiver for transmission by the transceiver. After the above information is output by the processor, it may also need to undergo other processing before reaching the transceiver. Similarly, when the processor receives the input information, the transceiver receives the information and inputs it into the processor. Furthermore, after the transceiver receives the above information, the above information may need to undergo other processing before being input to the processor.

For the sending and receiving operations involved in the processor, if there is no special explanation, or if it does not conflict with its actual role or internal logic in the relevant description, it can be more generally understood as processor output and reception, input operations, rather than the transmitting and receiving operations performed directly by RF circuits and antennas.

During implementation, the above-mentioned processor may be a processor specifically designed to perform these methods, or may be a processor that executes computer instructions in a memory to perform these methods, such as a general-purpose processor. The above-mentioned memory can be a non-transitory memory, such as a read-only memory (ROM), which can be integrated on the same chip as the processor, or can be separately provided on different chips. This application The embodiment does not limit the type of memory and the arrangement of the memory and the processor.

In a twelfth aspect, this application also provides a communication system, which includes one or more network devices and one or more terminal devices. In another possible design, the system may also include other devices that interact with network devices and terminal devices.

In a thirteenth aspect, the present application provides a computer-readable storage medium for storing instructions. When the instructions are executed by a computer, the method described in any one of the first to ninth aspects is implemented.

In a fourteenth aspect, the present application also provides a computer program product including instructions that, when run on a computer, implement the method described in any one of the above-mentioned first to ninth aspects.

In a fifteenth aspect, the present application provides a chip system. The chip system includes a processor and an interface. The interface is used to obtain a program or instructions. The processor is used to call the program or instructions to implement or support the first The device implements the functions involved in the first aspect, or the third aspect, or the fifth aspect, or the sixth aspect, or the eighth aspect, or implements or supports the second device to implement the second aspect, or the fourth aspect, or the seventh aspect. aspect, or the functions involved in the ninth aspect. For example, at least one of the data and information involved in the above method is determined or processed. In a possible design, the chip system further includes a memory, and the memory is used to store necessary program instructions and data for the terminal. The chip system may be composed of chips, or may include chips and other discrete devices.

In a sixteenth aspect, the present application provides a communication device, including a processor for executing a computer program or executable instructions stored in a memory. When the computer program or executable instructions are executed, the device performs the steps of the first aspect. to various possible implementation methods of any aspect in the ninth aspect.

In one possible implementation, the processor and memory are integrated;

In another possible implementation, the above-mentioned memory is located outside the communication device.

For the beneficial effects from the tenth aspect to the sixteenth aspect, reference can be made to the beneficial effects from the first aspect to the ninth aspect, and will not be described again here.

Description of drawings

Figure 1 is a schematic system structure diagram of a communication system provided by an embodiment of the present application;

Figure 2 is a schematic diagram of a positioning/ranging architecture for sidelink positioning provided by an embodiment of the present application;

Figure 3 is a schematic diagram of sidelink positioning provided by an embodiment of the present application;

Figure 4 is a schematic diagram of the determination process of time slots in a sidelink resource pool provided by an embodiment of the present application;

Figure 5 is a schematic diagram of the periodic characteristics of a physical time slot provided by an embodiment of the present application;

Figure 6 is a schematic diagram of a periodic time slot provided by an embodiment of the present application;

Figure 7 is an interactive schematic diagram of a resource location determination method for periodic time slot resources provided by an embodiment of the present application;

Figure 8 is a schematic diagram of time slots in a sidelink resource pool provided by an embodiment of the present application;

Figure 9 is a schematic diagram of interaction between a first device and a second device provided by an embodiment of the present application;

Figure 10 is an interactive schematic diagram of another resource location determination method for periodic time slot resources provided by an embodiment of the present application;

Figure 11 is a schematic diagram of a time slot provided by an embodiment of the present application;

Figure 12a is a schematic diagram of a first cycle time slot resource provided by an embodiment of the present application;

Figure 12b is a schematic diagram of another first cycle time slot resource provided by an embodiment of the present application;

Figure 13a is a schematic diagram of yet another first cycle time slot resource provided by an embodiment of the present application;

Figure 13b is a schematic diagram of yet another first cycle time slot resource provided by an embodiment of the present application;

Figure 14 is a schematic flowchart of yet another resource location determination method for periodic time slot resources provided by an embodiment of the present application;

Figure 15 is a schematic diagram of yet another first cycle time slot resource provided by an embodiment of the present application;

Figure 16 is an interactive schematic diagram of yet another resource location determination method for periodic time slot resources provided by an embodiment of the present application;

Figure 17 is a schematic flowchart of determining first cycle time slot resources provided by an embodiment of the present application;

Figure 18 is an interactive schematic diagram of yet another resource location determination method for periodic time slot resources provided by an embodiment of the present application;

Figure 19 is a schematic diagram of yet another first cycle time slot resource provided by an embodiment of the present application;

Figure 20 is a schematic structural diagram of a communication device provided by an embodiment of the present application;

Figure 21 is a schematic structural diagram of another communication device provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of this application.

Among them, the terms "first" and "second" in the description, claims and drawings of this application are used to distinguish different objects, rather than describing a specific sequence. “First” and “second” are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of this embodiment, unless otherwise specified, "plurality" means two or more.

Furthermore, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes Other steps or units inherent to such processes, methods, products or devices.

It should be understood that in this application, "plurality" means two or more. "And/or" is used to describe the relationship between associated objects, indicating that three relationships can exist. For example, "A and/or B" can mean: only A exists, only B exists, and both A and B exist simultaneously, where A and B can be singular or plural. The character "/" generally indicates that the related objects are in an "or" relationship. "...when" and "if" both mean that corresponding processing will be made under certain objective circumstances. They do not limit the time, nor do they require judgment during implementation, nor do they mean that there are other limitations.

In the embodiments of this application, words such as "exemplary" or "for example" are used to represent examples, illustrations or explanations. Any embodiment or design described as "exemplary" or "such as" in the embodiments of the present application is not to be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete manner that is easier to understand.

1. Communication system.

In order to better understand the resource location determination method of periodic time slot resources disclosed in the embodiments of the present application, the communication system to which the embodiments of the present application are applicable will be described.

The embodiments of the present application can be applied to fifth generation mobile communication (5th generation mobile communication, 5G) systems, sixth generation mobile communication (6th generation mobile communication, 6G) systems, satellite communications and short-distance wireless communication systems. System architecture As shown in Figure 1. A wireless communication system may include one or more network devices and one or more terminal devices. Wireless communication systems can also perform point-to-point communication, such as communication between multiple terminal devices.

It can be understood that the wireless communication systems mentioned in the embodiments of this application include but are not limited to: narrowband-internet of things (NB-IoT), long term evolution (LTE), 5G/6G The three major application scenarios of mobile communication systems: enhanced mobile broadband (eMBB), ultra-reliable low latency communication (URLLC) and massive machine type of communication (mMTC), Wireless fidelity (WiFi) system, or mobile communication system after 5G, etc.

In the embodiment of the present application, the network device is a device with wireless transceiver function, used to communicate with the terminal device, and may be an evolved base station (evolved Node B, eNB or eNodeB) in LTE, or a 5G/6G network. Base station or base station in the future evolved public land mobile network (PLMN), broadband network gateway (BNG), aggregation switch or non-3rd generation partnership project (3GPP) ) access equipment, etc. Optionally, the network equipment in the embodiments of this application may include various forms of base stations, such as: macro base stations, micro base stations (also called small stations), relay stations, access points, future equipment that implements base station functions, and WiFi systems. The access node, transmitting and receiving point (TRP), transmitting point (TP), mobile switching center and device-to-device (D2D), vehicle outreach (vehicle- to-everything (V2X), machine-to-machine (M2M) communication, equipment that assumes base station functions, etc., the embodiments of the present application do not specifically limit this.

Network equipment can communicate and interact with core network equipment and provide communication services to terminal equipment. The core network equipment is, for example, equipment in the 5G network core network (core network, CN). As a bearer network, the core network provides an interface to the data network, provides terminals with communication connections, authentication, management, policy control, and carries data services.

The terminal devices involved in the embodiments of this application may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices, or other processing devices connected to wireless modems. Terminal devices may also be called terminals. Terminal equipment can also refer to user equipment (UE), access terminal, subscriber unit, user agent, cellular phone, smart phone, wireless data card, personal digital assistant ( personal digital assistant (PDA) computers, tablet computers, wireless modems, handsets, laptop computers, machine type communication (MTC) terminals, and high-altitude aircraft Communication equipment, wearable devices, drones, robots, terminals in device-to-device (D2D) communication, terminals in vehicle to everything (V2X), virtual reality, VR) terminal equipment, augmented reality (AR) terminal equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical, Wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, wireless terminals in smart home or terminals in future communication networks Equipment, etc. are not limited in this application.

In this embodiment of the present application, the terminal device may be a terminal that supports secure user plane location ((secure user plane location, SUPL) enabled terminal, SET).

The embodiments of this application can be applied in sidelink positioning/ranging scenarios. For example, the embodiments of the present application can be applied to communication scenarios between the first device and a road side unit (RSU). For another example, the embodiment of the present application can be applied to a scenario where multiple first devices send sidelink synchronization signal blocks to each other to achieve synchronization, and the synchronization is used for positioning.

In the embodiment of this application, the RSU can be regarded as a fixed-position terminal device, mainly used to communicate with other terminal devices to provide some common signal configuration information and assist in information sharing between different terminal devices.

Please refer to Figure 2. Figure 2 is a schematic diagram of a positioning/ranging architecture for sidelink (SL) positioning provided by an embodiment of the present application. As shown in Figure 2, the positioning/ranging architecture includes terminal equipment A (UE A), terminal equipment B (UE B), radio access network (radio access network), RAN), and sidelink positioning. /Ranging Server (SL Positioning/Ranging Server). Among them, UE A and UE B are different UEs, and they are connected through the PC5 interface. Positioning reference signal transmission or reception measurement, capability information transmission, auxiliary information transmission, measurement information transmission, etc. can be carried out between UE A and UE B through the PC5 interface. UE A, UE B and the gNB/ng-eNB in the RAN communicate through the Uu interface. The UE can receive and measure the positioning reference signal from the gNB/ng-eNB, and can also send the positioning reference signal to the gNB/ng-eNB. . UE A/UE B can perform positioning based on the measurement results of the positioning reference signal.

There is a Sidelink positioning/ranging functional unit (SL Positioning/Ranging) on each UE (for example, UE A and UE B). The SL Positioning/Ranging of different UEs can communicate through the SR5 interface. SL Positioning/Ranging can communicate with SL Positioning/Ranging Server through the SR1 interface.

In this embodiment of the present application, the first device may be the above-mentioned terminal device, and the first device may perform side link services, such as positioning/ranging of other terminal devices. The second device is a terminal device that assists the first device in performing side link services, and may be an RSU, for example. Alternatively, the second device is a network device.

The disclosed embodiments of the present application will present various aspects, embodiments or features of the present application around a system including a plurality of devices, components, modules, etc. It should be understood and appreciated that various systems may include additional devices, components, modules, etc., and/or may not include all devices, components, modules, etc. discussed in connection with the figures. Additionally, a combination of these scenarios can be used.

Currently, 3GPP's Rel-16 supports multiple positioning technologies such as DL-TDOA, DL-AOD, UL-TDOA, UL-AOA, and multi-RTT. Among them, DL-TDOA, UL-TDOA and multi-RTT algorithms are positioning technologies based on arrival time, which requires the receiving end to measure the arrival time of the reference signal from the transmitting end, and then convert it into distance information between the two, and finally obtain the to-be-determined position of the target. DL-AOD and UL-AOA are angle-based positioning technologies, that is, the receiving end measures the emission angle or arrival angle of the reference signal from the transmitting end, and then infers the position of the receiving end based on the angle information between the receiving end and multiple transmitting ends with known positions. information.

Illustratively, the positioning process is introduced using DL-TDOA as an example. The positioning process of DL-TDOA is divided into measurement stage and positioning stage. In the measurement phase, the serving base station and neighboring base stations send downlink positioning reference signals (PRS), and the terminal equipment receives the PRS from the serving base station and neighboring base stations and measures them. In order for the terminal device to correctly receive the PRS, the location management function (LMF) needs to send the configuration information of the PRS sent by the serving base station and neighboring base stations to the terminal device. The configuration information includes the time-frequency location of the PRS and other information. Therefore, the terminal device can receive the PRS according to the configuration information of the PRS, and measure the PRS to obtain the TDOA observation quantity. In the positioning phase, for the UE-assisted positioning method, the terminal device needs to report the measured TDOA observations to the LMF, and the LMF estimates the position of the terminal device based on the location of each base station and the TDOA observations. For the terminal equipment (UE-based) positioning method, the terminal equipment does not need to report TDOA observations, but it needs to obtain each information from the LMF through the LTE positioning protocol (LPP) message, or from the serving base station through the RRC message. Base station location information. Furthermore, the terminal device can estimate its own position based on the positions of each base station and TDOA observations.

In the embodiment of this application, the location management function LMF is a device or component deployed in the core network to provide positioning/ranging functions for terminal equipment. For example, the LMF can configure time-frequency resources for positioning/ranging for the terminal device.

In the standard evolution process of 3GPP Rel-18, the evolution of next-generation positioning technology includes five directions, namely side link SL positioning, carrier phase positioning, carrier aggregation (CA) positioning, low power consumption and high accuracy Positioning (low power high accuracy positioning, LPHAP) positioning and reduced capabilities (RedCap) positioning. Among them, Sidelink positioning is a more important evolution direction, that is, it is necessary to study the positioning technology under Sidelink conditions, or to add positioning functions based on the current Sidelink communication.

Sidelink positioning involves three coverage scenarios, namely within network coverage, partial network coverage and no network coverage (out of coverage, OOC) scenarios. The following OOC scenario is used as an example to introduce the process of Sidelink positioning. In a scenario where there is no network coverage at all, there is no participation of base stations and LMFs, that is, the observation of the sidelink positioning reference signal (SL PRS) between terminal equipment is used to achieve positioning.

Please refer to Figure 3, which is a schematic diagram of Sidelink positioning in an OOC scenario. The target UE (Target UE) in Figure 3 refers to the UE to be positioned. Reference UE refers to a UE used to assist the target UE in positioning. The reference UE can be stationary or moving. The roadside unit RSU is a stationary reference UE that is used to assist the target UE in positioning and is fixed on both sides of the road. The reference UE may also be called an anchor node UE (Anchor UE). In order to assist the target UE in completing positioning, the Anchor UE sends the SL PRS and the configuration information of the SL PRS to the Target UE. Target UE receives SL PRS according to the configuration information of SL PRS and measures it. Target UE can measure and obtain TDOA observations of SL PRS sent by different Anchor UEs. In addition, the Anchor UE sends its own location information to the Target UE, so that the Target UE can position itself using the received location of the Anchor UE and the measured TDOA observations.

In order to enable sidelink positioning, a sidelink positioning reference signal needs to be sent between the first device and the first device. For periodic positioning services, if aperiodic sidelink positioning reference signals are still used, the first device needs to periodically perform resource sensing and resource selection, which will increase the processing complexity of the first device, and will Bringing greater power consumption.

2. Related concepts.

In order to better understand the resource location determination method of periodic time slot resources disclosed in the embodiments of this application, the relevant concepts involved in the embodiments of this application are briefly introduced.

1. The time slot determination process in the sidelink resource pool (RP).

Please refer to Figure 4, which is a schematic diagram of the determination process of time slots in the sidelink resource pool. Figure 4 assumes that the ratio of uplink and downlink time slots in physical time slots is 4:1, and the cycle of the sidelink synchronization signal block (S-SSB) is 8 time slots, and the length of the bitmap is 10 Take a time slot as an example to introduce the process of determining time slots in the sidelink resource pool. Among them, the ratio of uplink and downlink time slots is 4:1, which means that each physical time slot cycle includes one downlink time slot and four uplink time slots. The physical time slot is a time slot configured by network equipment or other terminal equipment that assists terminal equipment in positioning/ranging, and is configured for the terminal equipment performing positioning/ranging.

As shown in Figure 4, the physical time slot includes 30 time slots with physical time slot indexes from 0 to 29. Figure 4 shows the time slot type to which each time slot belongs. The time slot marked D is the downlink time slot, the time slot marked U is the uplink time slot, and the time slot marked F is the flexible slot. The time slot in the left diagonal shaded area indicates the time slot where S-SSB is located.

The determination process of time slots in the sidelink resource pool is: S11. The terminal device removes the non-uplink time slots and the time slots where the S-SSB is located in the physical time slots to obtain temporary time slots. As shown in Figure 4, the terminal equipment obtains 16 temporary time slots after removing the non-uplink time slots and the time slots where S-SSB is located in the physical time slots. The terminal equipment renumbers the 16 temporary time slots and obtains temporary time slot indexes from 0 to 15. S12: The terminal device removes the reserved time slot from the temporary time slot and obtains the SL available time slot. The time slots in the right diagonal shaded area in Figure 4 represent reserved time slots. S13. The terminal device applies the bitmap value to the available SL time slots to obtain the time slots in the SL resource pool. The value of this bitmap is configured.

Among them, in one physical time slot cycle (the physical time slot should be 1024×2 ^μ time slots, for simplicity, it is assumed to include 30 time slots in Figure 4), assuming that the number of S-SSB time slots is N _S-SSB , The number of non-uplink time slots N _nonSL . The length of the bitmap is L _bitmap , and the number of reserved time slots is N _reserved = (1024×2 ^μ -N _S-SSB -N _nonSL ) modL _bitmap . The remaining time slots after excluding S-SSB time slots and non-uplink time slots are Among them, the physical time slot index of the reserved time slot is l _r and satisfies m＝0,1,...,N _reserved -1.

Taking Figure 4 as an example, N _S-SSB = 3, N _nonSL = 11, L _bitmap = 10, N _reserved = (30-3-11) mod10 = 6. After removing S-SSB time slots and non-uplink time slots, 16 temporary time slots are obtained, which are recorded as (l ₀ , l ₁ ,..., l ₁₅ ). When m=0,1,...,5, the corresponding r=0,2,5,8,10,13, the corresponding physical time slot index is (2,4,12,17,19,27) , the time slot position corresponding to the physical time slot index is the position of the reserved time slot.

Therefore, the terminal device removes the reserved time slots from the temporary time slots, and obtains the physical time slot index of the SL available time slots as (3,8,9,13,14,18,22,24,28,29), and the SL is available The temporary slot index of the slot is (1,3,4,6,7,9,11,12,14,15). The terminal device renumbers the time slots in the SL available time slots and obtains the available time slot indexes from 0 to 9. If the value of Bitmap is 0011111100, the terminal device applies the value of Bitmap to the available SL time slots, and obtains the physical time slot index of the time slot in the sidelink resource pool as (9,13,14,18,22, 24), which is the time slot marked S in Figure 4. That is to say, the time slot with the physical time slot index (9,13,14,18,22,24) is the time slot in the sidelink resource pool.

It can be seen that the physical time slot index of the time slot in the sidelink resource pool is discrete and aperiodic, so the time slot in the sidelink resource pool cannot be directly used to periodically send sidelink signals.

2. The first parameter T _offset , the second parameter T _per , the third parameter T _offset,res , the fourth parameter T _rep , and the fifth parameter T _gap .

Currently, network equipment can configure periodic time slot resources in physical time slots to terminal equipment through the Uu interface. When the physical time slot index in the physical time slot satisfies the following formula (1), the physical time slot corresponding to K is the periodic time slot resource in the physical time slot. This periodic time slot resource can be understood as the second periodic time slot. resource.

in, is the number of time slots in 1 frame, T _offset is the time slot offset of the resource set where the second cycle time slot resource is located, T _per is the period of each resource in the resource set, T _{offset, res} is each resource in the resource set time slot offset. T _rep is the resource concentration, and the number of time slots included in each resource in one cycle. _Tgap is the resource concentration and the interval between adjacent time slots in each resource within a cycle.

For example, please refer to Figure 5, which is a schematic diagram of periodic characteristics of a physical time slot. As shown in Figure 5, the resource set in which the second cycle time slot resources are located includes time slot resource 1 (#1) and resource 2 (#2). The period of the second cycle time slot is T _per , and the period of each resource in the resource set is also T _per . The time slot offset of the resource set is an offset relative to the position of the start frame, and the time slot offset of the resource set is T _offset . The offsets of resource 1 and resource 2 relative to the resource set are T _offset,res1 and T _offset,res2 respectively.

For example, please refer to Figure 6. Figure 6 is a schematic diagram of the number of time slots included in each resource and the interval between adjacent time slots in each resource in one cycle. As shown in Figure 6, one cycle includes four resources, namely resource 1 (#1), resource 2 (#2), resource 3 (#3) and resource 4 (#4). As shown in the schematic diagram on the left side of Figure 6, the number of time slots T _rep included in each resource in one cycle is 4, and the interval T _gap between adjacent time slots in each resource is 1. As shown in the schematic diagram on the right side of Figure 6, the number of time slots T _rep included in each resource in one cycle is 4, and the interval T _gap between adjacent time slots in each resource is 4.

Currently, physical slot indexing is available To determine the resource location of periodic time slot resources in the physical time slot. However, since the time slots in the sidelink resource pool are discrete in physical time slots, the time slot position determined based on the above formula (1) may not be in the sidelink resource pool. Therefore, the terminal device cannot directly determine the periodic time slot resources in the sidelink resource pool based on the above formula (1).

In the embodiment of this application, the sidelink signal refers to the signal sent/received by the terminal device on the sidelink. The sidelink signal may be a sidelink positioning reference signal, a sidelink synchronization signal block, etc.

3. Non-uplink time slot.

In the Sidelink partial bandwidth (BWP) configuration, the orthogonal frequency division multiplexing (OFDM) symbol positions available to Sidelink in a time slot are configured, including the starting OFDM symbol position Y and OFDM symbol The number X, that is, the OFDM symbol positions available for Sidelink are Y, Y+1, Y+2,..., Y+X-1. When none of the X OFDM symbols are semi-statically configured as uplink symbols, the time slots in which these OFDM symbols are located are called non-uplink time slots.

3. Resource location determination method 100 for periodic time slot resources.

This embodiment of the present application proposes a resource location determination method 100 for periodic time slot resources. Figure 7 is an interactive schematic diagram of the resource location determination method 100 for periodic time slot resources. The method 100 for determining the resource location of periodic time slot resources is explained from the perspective of interaction between a first device and a second device. The resource location determination method 100 of the periodic time slot resources includes but is not limited to the following steps:

S101. The second device determines first configuration information, and the first configuration information includes configuration parameters.

It can be understood that the first configuration information is used to determine the resource location of the first periodic time slot resource, and the first periodic time slot resource is used for the first device to periodically transmit sidelink signals. That is to say, the second device configures the first configuration information used to determine the resource location of the first periodic time slot resource.

The configuration parameters include one or more of the following: a first parameter, a second parameter, one or more third parameters, a fourth parameter and a fifth parameter.

The physical meanings of the first parameter, the second parameter, one or more third parameters, the fourth parameter and the fifth parameter can be referred to the meanings in the above-mentioned Figures 5 and 6, and will not be described again.

Based on the physical meaning of each of the above parameters, it can be known that the first parameter is used to determine the time slot offset of the resource set where the first cycle time slot resource is located, that is, it is used to determine one or more resources in the resource set where the first cycle time slot resource is located. The overall slot offset is the slot offset relative to the starting resource. The resource set in which the first cycle time slot resource is located includes one or more resources, and each of the one or more resources includes one or more time slots.

The second parameter is used to determine the period of each resource in the resource set, that is, the period of each resource in the resource set is determined based on the second parameter. It can also be understood that each resource in the resource set shares a second parameter, and the period of each resource determined based on the same second parameter is the same.

For one or more third parameters, each third parameter is used to determine the time slot offset of the resource corresponding to the third parameter in the resource set. The time slot offset is the time slot offset relative to the starting position of the resource set. shift. That is to say, the second device is configured with a third parameter for each of the one or more resources in the resource set where the first cycle time slot resource is located, and the third parameter corresponding to each resource is different. Therefore, the time slot offset of each resource in the resource set is determined based on the third parameter corresponding to the resource, and the time slot offset of each resource is different. For example, as shown in Figure 5 above, the resource set in which the first cycle time slot resource is located includes resource 1 (#1) and resource 2 (#2), and the third parameters corresponding to resource 1 and resource 2 are a and b respectively. Then, a is used to determine the time slot offset T _offset,res1 of resource 1, and b is used to determine the time slot offset T _offset,res2 of resource 2.

The fourth parameter is used to determine the resource concentration and the number of time slots included in each resource within a cycle. The cycle refers to the cycle determined based on the above-mentioned second parameter. That is to say, the fourth parameter is used to determine how many time slots each resource includes in one cycle. In the resource set, each resource shares the same fourth parameter, that is, the number of time slots determined based on the fourth parameter is applicable to each resource in the resource set. For example, as shown in the left diagram of Figure 6, if the fourth parameter is equal to 4, then within one cycle, each resource includes 4 time slots, that is, resources 1 to 4 each include 4 time slots.

The fifth parameter is used to determine the resource concentration and the interval between adjacent time slots in each resource within a cycle. The cycle also refers to the cycle determined based on the second parameter. In the resource set, each resource also shares the same fifth parameter, that is, the interval between adjacent time slots determined based on the fifth parameter is applicable to each resource in the resource set. For example, as shown in the right picture of Figure 6, the fifth parameter is equal to 4, then within one cycle, the interval between adjacent time slots in each resource is 4, that is, in resources 1 to 4, in each resource The interval between adjacent time slots is 4. It is understandable that if the fifth parameter is equal to 1, it indicates that within one cycle, the time slots included in each resource are adjacent. As another example, as shown in the left diagram of Figure 6, the time slots included in each resource are adjacent.

In an optional implementation, the configuration parameters include a first parameter, a second parameter, one or more third parameters, a fourth parameter and a fifth parameter. This method is helpful for the first device to determine the resource location of the first cycle time slot resource from the sidelink resource pool based on the physical meaning of each parameter.

In another optional implementation, the configuration parameters include a first parameter, a second parameter, and one or more third parameters. In this case, after the first device obtains the configuration parameters, it can default that the fourth parameter is equal to 1 and the fifth parameter is equal to 0. That is to say, the first device may default to the resource set in which the first cycle time slot resource is located, and the number of time slots included in each resource is 1, that is, the time slots included in each resource do not have the concept of adjacent time slots.

In an optional implementation, the first configuration information includes multiple sets of configuration parameters, and each set of configuration parameters includes a first parameter, a second parameter, one or more third parameters, a fourth parameter, and a fifth parameter. one or more items. That is to say, the second device can configure multiple sets of configuration parameters through the first configuration information.

In this case, the second device may also send first indication information, where the first indication information is used to indicate the first set of configuration parameters to be activated and/or deactivated among the multiple sets of configuration parameters. The first set of configuration parameters is any set or sets of multiple sets of configuration parameters.

Among them, the activated first set of configuration parameters can be understood as the first set of configuration parameters being usable configuration parameters. The first set of deactivated configuration parameters can be understood as the first set of configuration parameters being invalid configuration parameters, that is, configuration parameters that cannot be used.

For example, the first configuration information includes three sets of configuration parameters, namely configuration parameter a, configuration parameter b, and configuration parameter c. The second device indicates, through the first indication information, that the activated configuration parameter among the three sets of configuration parameters is configuration parameter b. Then, the parameters included in the configuration parameter b are usable configuration parameters.

Alternatively, the second device indicates, through the first indication information, that the deactivated configuration parameters among the three sets of configuration parameters are configuration parameter a and configuration parameter b. Then, both configuration parameter a and configuration parameter b are unusable configuration parameters, so it can be determined that the parameters included in configuration parameter c are usable configuration parameters.

Alternatively, the second device indicates, through the first indication information, that the activated configuration parameter among the three sets of configuration parameters is configuration parameter a, and the deactivated configuration parameter is configuration parameter b and configuration parameter c. Then, the parameters included in configuration parameter b and configuration parameter c are unusable configuration parameters, and the parameters included in configuration parameter a are usable configuration parameters.

It can be seen that in this method, the second device can configure multiple sets of configuration parameters through the first configuration information, and then use additional first indication information to indicate one or more sets of configuration parameters that can be used and/or cannot be used, and then can The first device is caused to determine a usable set of configuration parameters from multiple sets of configuration parameters.

In an optional implementation, the first configuration information also includes the validity period of the configuration parameter. The validity period refers to the validity period for which the configuration parameter can be used. That is to say, within the validity period, the configuration parameters are valid and can be used; outside the validity period, the configuration parameters are invalid and cannot be used.

Alternatively, the validity period of the configuration parameter may also correspond to the validity period of the first cycle time slot resource, that is, within the validity period of the configuration parameter, the first cycle time slot resource determined based on the configuration parameter is usable. Outside the validity period of the configuration parameter, the first cycle time slot resource determined based on the configuration parameter is unavailable.

In an optional implementation, the second device may also send second indication information, and the second indication information is used to indicate whether the sidelink resource pool can be used to determine the first periodic time slot resources, so that the first device Learn whether resources in the sidelink resource pool can be utilized to send periodic sidelink signals. The second indication information may be carried in the first configuration information, or the second indication information may be carried separately in other signaling, such as in radio resource control (RRC) signaling.

This method can enable the first device to know in advance whether the first period time slot resources can be determined from the resources in the sidelink resource pool, so as to reserve the time slots in the sidelink resource pool in advance.

In an optional implementation, the first configuration information is carried in one or more of the following: Radio Resource Control (RRC), downlink control information (DCI), medium access control-control unit (medium access control) -control element (MAC-CE), sidelink control information (SCI), radio resource control of the first interface, first interface signaling protocol stack, and second interface.

The first interface is the interface between two different terminal devices, that is, the PC5 interface. The second interface is an interface between the sidelink (SL) positioning and ranging (Ranging) functional units of two different terminal devices, that is, the SR5 interface.

It can be understood that the second device may configure the first configuration information to the first device through RRC signaling, or the second device may configure the first configuration information through PC5-RRC/PC5-S/SR5 signaling. Specifically, the second device can implement this function by adding or modifying current signaling.

In an optional implementation, the second device modifies the current resource pool configuration information (ie, SL-ResourcePool signaling), such as adding SL PRS resource set configuration signaling to the SL-ResourcePool signaling, and in the SL PRS resource Configure the first parameter, the second parameter, the fourth parameter and the fifth parameter in the set configuration signaling, as well as the SL PRS resource parameter, and configure one or more third parameters in the SL PRS resource parameter. Optionally, the second device can also add a periodic resource indication (i.e., second indication information) in the SL PRS resource set signaling to indicate whether the current sidelink resource pool of the first device is a periodic resource pool, that is, Whether the resources in the current sidelink resource pool can be used to determine the first cycle time slot resources.

For example, the second device adds sl-PeriodicFlag signaling and sl-PRS-ResourceSet signaling to the SL-ResourcePool signaling. The sl-PeriodicFlag signaling is used to indicate whether the current sidelink resource pool of the first device is a periodic resource pool. sl-PRS-ResourceSet is used to configure the periodic SL PRS resource set in the current sidelink resource pool.

In the resource set configuration signaling sl-PRS-ResourceSet, use sl-PRS-ResourceSetID to configure the resource set ID; use sl-PRS-Periodicity-and-ResourceSetSlotOffset to configure the period T _per of each resource in the resource set and the resource set's Time slot offset T _offset ; use sl-PRS-ResourceRepetitionFactor to configure the resource concentration, the number of time slots included in each resource in a cycle; use sl-PRS-ResourceTimeGap to configure the resource concentration, the number of time slots in each resource in a cycle The interval between adjacent time slots; use sl-PRS-ResourceList to configure one or more resources included in the current resource set. Among them, one of the one or more resources is configured by signaling SL-PRS-Resource.

In the resource configuration signaling SL-PRS-Resource, sl-PRS-ResourceID is used to configure the ID of each resource in the resource set; sl-PRS-ResourceSlotOffset is used to configure the timeslot offset T _offset,res of each resource in the resource set.

In another optional implementation, the second device uses newly defined periodic resource pool signaling (SL-PeriodicResourcePool) to configure the first configuration information. In the SL-PeriodicResourcePool signaling, the above configuration parameters can also be configured through the above new signaling, which will not be described again.

In another optional implementation, when the second device is a network device, the second device may configure the first configuration information to the first device through DCI signaling.

It is understandable that the second network device defines a new DCI format, for example, defines the new DCI format as format3_2, and the format3_2 is used for scheduling periodic sidelink signals. The format3_2 may include one or more of the first parameter, the second parameter, one or more third parameters, the fourth parameter and the fifth parameter.

Optionally, activation and/or deactivation configuration parameters can also be carried in the newly defined DCI format. For example, the second device configures multiple sets of configuration parameters to the first device through RRC signaling, and the second device instructs the first device through the newly defined DCI to activate and/or deactivate one set of the multiple sets of configuration parameters. Multiple sets of configuration parameters.

In another optional implementation, when the second device is a terminal device that assists the first device in positioning/ranging, the second device can configure the first configuration information to the first device through SCI signaling.

It is understandable that the second device can define a new SCI format, for example, define the new SCI format as format2_D, and the format2_D is used for scheduling periodic sidelink signals. The format2_D may include one or more of the first parameter, the second parameter, one or more third parameters, the fourth parameter and the fifth parameter.

Optionally, activation and/or deactivation configuration parameters can also be carried in the newly defined DCI format. For example, the second device configures multiple sets of configuration parameters to the first device through RRC signaling, and the second device then uses the newly defined SCI to indicate to the first device which set of activation and/or deactivation parameters among the multiple sets of configuration parameters. Multiple sets of configuration parameters.

Optionally, no matter what kind of signaling the second device uses to configure the first configuration information to the first device, the second device can indicate to the first device through MAC-CE one of the multiple sets of configuration parameters to be activated and/or deactivated. One or more sets of configuration parameters.

In the embodiment of the present application, the first indication information and/or the second indication information may be carried in the first configuration information, or may be carried separately in one or more of the following: radio resource control RRC, downlink control information DCI, media Access control-control unit MAC CE, sidelink control information SCI, radio resource control of the first interface, first interface signaling protocol stack, and second interface.

S102. The second device sends the first configuration information. Correspondingly, the first device receives the first configuration information.

S103. The first device determines the resource location of the first cycle time slot resource from the sidelink resource pool based on the configuration parameters and index k. The index k is obtained by numbering the time slots in the sidelink resource pool.

The time slots in the sidelink resource pool are determined from the configured physical time slots, and the determination method may refer to the above description, which will not be described again.

The index k is obtained by renumbering the time slots in the sidelink resource pool by the first device in chronological order. For example, based on the physical time slots in Figure 4 above, the determined time slots in the sidelink resource pool are the time slots with the physical time slot index (9, 13, 14, 18, 22, 24) in Figure 8. The first device renumbers these time slots in the sidelink resource pool and obtains the index k as (0,1,2,3,4,5). This index k may also be called the resource in Figure 8 Pool logical slot index.

It can be understood that the first device determines the resource location of the first cycle time slot resource from the sidelink resource pool based on the configuration parameter and index k, which means: when the index k and the configuration parameter satisfy the following formula (2), the The time slot position corresponding to index k is the resource position of the time slot resource in the first cycle.

Since the physical time slot index in the physical time slot configured by the first device satisfies the above formula (1), the time slot position corresponding to the physical time slot index is the resource position of the second period time slot resource, so the sidelink When the index k in the resource pool satisfies formula (2), the time slot corresponding to the index k is the periodic time slot in the sidelink resource pool, so the first period time slot resource is the periodic time slot in the sidelink resource pool. sexual time slot.

It can be understood that the time slot offset of the resource set in which the first cycle time slot resource is located is determined based on the first parameter. Resource concentration, the cycle of each resource is determined based on the second parameter. When resources are concentrated, the time slot offset of each resource is determined based on the third parameter corresponding to the resource. Resource concentration, the number of time slots included in each resource in a cycle is determined based on the fourth parameter. Resource concentration, the interval between adjacent time slots in each resource within a cycle is determined based on the fifth parameter. The first cycle time slot resource is a resource in the resource set.

If the configuration parameters do not include the fourth parameter and/or the fifth parameter, the first device defaults the fourth parameter to be equal to 1 and the fifth parameter to be equal to 0, that is, by default the resource set in which the first cycle time slot is located, each resource includes 1 time slot. At this time, formula (2) can be simplified to (kT _offset -T _offset,res ) modT _per =0.

That is to say, the first device may determine the resource location of the first cycle time slot resource from the sidelink resource pool based on the first configuration information configured by the second device and the index k of the time slot in the sidelink resource pool. , so that the first device has the ability to periodically send sidelink signals.

In an optional implementation, when the first configuration information includes multiple sets of configuration parameters, the first device may also receive the first indication information. Therefore, the first device determines the resource location of the first cycle time slot resource from the sidelink resource pool based on the configuration parameters and the index k, including: based on the first indication information, multiple sets of configuration parameters and the index k, from the sidelink resource pool Determine the resource location of the first cycle time slot resource in the link resource pool.

That is to say, when the first configuration information includes multiple sets of configuration parameters, the first device determines a set of configuration parameters that can be used from the multiple sets of configuration parameters based on the first indication information, and then determines a set of configuration parameters that can be used based on the set of configuration parameters and indexes that can be used. k, determine the resource location of the first cycle time slot resource from the sidelink resource pool.

In an optional implementation, the first device may also use the first periodic time slot resource to periodically send sidelink synchronization signal blocks or sidelink positioning reference signals.

In another optional implementation, the first configuration information also includes the validity period of the configuration parameters. Then the first device can also use the first periodic time slot resource to periodically send side lines within the validity period of the configuration parameters. Link synchronization signal block or sidelink positioning reference signal.

In an optional implementation, as shown in Figure 9, the first device can also send positioning requirement information to the second device. Correspondingly, the second device receives the positioning requirement information from the first device. Positioning requirement information includes one or more of the following: positioning cycle, positioning priority, and positioning duration. This method can enable the second device to more adaptively configure the first configuration information based on the positioning requirement information.

It can be understood that the positioning priority may be the priority of each periodic positioning service when the first device performs multiple periodic positioning services, or it may be the priority of each periodic positioning service when the first device positions multiple terminal devices to be positioned. The priority of the terminal device to be located. The second device may give priority to periodic positioning services with higher priority, or configure the first configuration information for terminal devices to be positioned with higher priority, that is, give priority to allocating periodic time slot resources to important periodic positioning services, To ensure the normal operation of periodic positioning services with higher priority.

The positioning cycle refers to the positioning cycle of the periodic positioning service that the first device needs to perform. Positioning duration refers to the duration of periodic positioning services. The second device can more reasonably configure the values of the above configuration parameters based on the positioning period or positioning duration expected by the first device. For example, the second device configures second parameters that are close to the positioning period expected by the first device.

It can be seen that in this embodiment of the present application, the first device determines the resource location of the first cycle time slot resource from the sidelink resource pool based on the configuration parameter and index k in the first configuration information, that is, from the sidelink resource pool Determine the first cycle time slot resources in the pool. Therefore, when the first device faces periodic sidelink services, it does not need to periodically perform resource sensing and resource selection. It can use the first periodic time slot resources and periodically send sidelink signals, which is beneficial to reducing the number of The processing complexity of the first device is also beneficial to reducing the power consumption of the first device.

4. Resource location determination method 200 for periodic time slot resources.

This embodiment of the present application proposes a resource location determination method 200 for periodic time slot resources. Figure 10 is an interactive schematic diagram of the resource location determination method 200 for periodic time slot resources. The method 200 for determining the resource location of periodic time slot resources is also explained from the perspective of interaction between the first device and the second device. The resource location determination method 200 of the periodic time slot resources includes but is not limited to the following steps:

S201. The second device determines the second configuration information. The second configuration information includes configuration parameters, the value of the first-order map, and the period of the first-period time slot resource. The period of the first-period time slot resource is the first-order map. an integer multiple of the period.

The second configuration information is used to determine the resource location of the first periodic time slot resource, and the first periodic time slot resource is used for the first device to periodically transmit the sidelink signal. That is to say, the second device configures second configuration information used to determine the resource location of the first periodic time slot resource.

It can be understood that the configuration parameters include one or more of the following: a first parameter, one or more third parameters, a fourth parameter, and a fifth parameter. The physical meaning of the first parameter, one or more third parameters, the fourth parameter and the fifth parameter, as well as the role of each parameter, can be found in the resource location determination method 100 of the periodic time slot resource mentioned above, and will not be described again.

The embodiment of the present application does not limit the value of the bitmap. For example, when the period of the first bit image is 6 bits, the value of the first bit image can be 001100, or the value of the first bit image can be 011110, and so on.

In an optional implementation, the second configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control information SCI , radio resource control of the first interface, the first interface signaling protocol stack, and the second interface. Among them, the first interface is an interface between two different terminal devices, that is, the PC5 interface. The second interface is the interface between the side link positioning and ranging functional units of two different terminal devices, that is, the SR5 interface.

For the implementation method of the second device configuring the second configuration information through the above signaling, please refer to the configuration method in the resource location determination method 100 of the periodic time slot resources, which will not be described again.

In an optional implementation, the second configuration information includes multiple sets of configuration parameters, each set of configuration parameters including one of a first parameter, one or more third parameters, a fourth parameter, and a fifth parameter, or Multiple items. That is to say, the second device can configure multiple sets of configuration parameters through the second configuration information.

In this case, the second device may also send first indication information, where the first indication information is used to indicate the first set of configuration parameters to be activated and/or deactivated among the multiple sets of configuration parameters. The first set of configuration parameters is any set or sets of multiple sets of configuration parameters. For this implementation, please refer to the implementation in the resource location determination method 100 of the periodic time slot resources mentioned above, which will not be described again.

In an optional implementation, the second device may also send third indication information. Correspondingly, the first device receives the third indication information. The third indication information is used to indicate whether the first time slot set can be used to determine the first periodic time slot resources, so that the first device knows whether the resources in the first time slot set can be used to send periodic sidelink signals. The third indication information may be carried in the second configuration information.

In an optional implementation, the first indication information and/or the third indication information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, Sidelink control information SCI, radio resource control of the first interface, first interface signaling protocol stack, and second interface.

S202. The second device sends the second configuration information. Correspondingly, the first device receives the second configuration information.

S203. The first device periodically applies the value of the first-order map to the time slots in the first time slot set, and determines the second time slot set from the first time slot set. The first time slot set includes configured The time slots in the physical time slots except the uplink time slot, the time slot where the synchronization signal block is located, and the reserved time slot.

The non-uplink time slots in the physical time slots may be downlink time slots, and the downlink time slots and the time slots in which the synchronization signal blocks are located are time slots configured in the physical time slots. For the process of determining the reserved time slots, please refer to the process of determining the time slots in the sidelink resource pool mentioned above, and will not be described again.

The first time slot set includes the time slots in the configured physical time slots other than the uplink time slot, the time slot where the synchronization signal block is located, and the reserved time slot. It can be understood that: the first time slot set includes the physical time slots. time slot among the available time slots on the downlink. For example, the available SL time slots in Figure 4 above are removed from the physical time slots by removing the non-uplink time slots, the time slots where the synchronization signal blocks are located, and the time slots after the reserved time slots, so that the available SL time slots in Figure 4 are composed of The set of is the first time slot set.

It can be understood that the first device periodically applies the value of the first bit map to the time slots in the first time slot set, and determines the second time slot set from the first time slot set, which may refer to: the first device The value of the first map is periodically applied to the time slots in the first time slot set, and the time slot corresponding to a value of 1 in the value of the first map is determined to be in the second time slot set. time slots, thereby obtaining the second time slot set.

Optionally, the first device can also periodically apply the value of the first bit map to the time slots in the first time slot set, and set the value of the first bit map to the time slot corresponding to 0, It is determined to be a time slot in the second time slot set, thereby obtaining the second time slot set. The embodiment of the present application does not limit the first device to determine which value of the first map value corresponds to the time slot as the time slot in the second time slot set.

For example, the first time slot set includes 12 time slots, the indexes of the 12 time slots are 0 to 11, and the value of the first bitmap is 000111111000. The schematic diagram after the first device periodically applies the value of the first bit map to the time slots in the first time slot set is as shown in Figure 11. If the first device determines the time slot corresponding to the first value of 1 as a time slot in the second time slot set, then the time slot in the second time slot set has an index of (3, 4, 5 ,6,7,8) time slots.

S204. The first device determines the resource location of the first periodic time slot resource from the second time slot set based on the configuration parameters and the period of the first periodic time slot resource.

It can be understood that the first device determines the resource location of the first periodic time slot resource from the second time slot set based on the configuration parameters and the period of the first periodic time slot resource, which may refer to: the first device determines the resource location of the first periodic time slot resource based on the first periodic time slot resource. Based on the relationship between the cycle of the resource and the cycle of the first chart, determine the location of the resource set where the first cycle time slot resource is located from the second resource time slot set; then, the first device based on the physical meaning of each parameter in the configuration parameter, The location of the first cycle time slot resource is determined from the location of the resource set.

For example, the length of the bitmap is 10 time slots, and the value of the bitmap is 0011111100. The position of the time slot in the second time slot set is the time slot position corresponding to the value 1 in the first map. The period of the first-cycle time slot resource is equal to the period of the first-order map, that is, the period of the first-cycle time slot resource is 10 time slots.

If the first parameter is equal to 0, the third parameter includes 0,1,2,3,4,5, the fourth parameter is equal to 1, and the fifth parameter is equal to 0. Then, as shown in Figure 12a, the resource set where the first cycle time slot resource is located includes 6 resources (resource 1 (#1) to resource 6 (#6)), the time slot offset of the resource set is 0, and resource 1 The time slot offsets to resource 6 relative to the starting resource (resource 1) are 0, 1, 2, 3, 4, and 5 respectively. Resource concentration, the number of time slots included in each resource in a cycle is 1, for example, in a cycle, resource 1 includes 1 time slot. Resources are concentrated, and the interval between adjacent time slots in each resource within a cycle is 0, that is, each resource is a time slot.

If the first parameter is equal to 1, the third parameter includes 0,2, the fourth parameter is equal to 2, and the fifth parameter is equal to 1. Then, as shown in Figure 12b, the resource set where the first cycle time slot resource is located includes two resources (resource 1 (#1) and resource 2 (#2)). The time slot offset of the resource set is 1, and resource 1 The time slot offsets of resource 2 and resource 2 relative to the starting resource (resource 1) are 0 and 2 respectively. Resource concentration, the number of time slots included in each resource in one cycle is 2, that is, each resource includes 2 time slots. Resources are concentrated, and the interval between adjacent time slots in each resource within a cycle is 1, that is, 2 time slots in each resource are adjacent.

For example, the length of the bitmap is 10 time slots, and the value of the bitmap is 0011111100. The position of the time slot in the second time slot set is the time slot position indicated by a value of 1 in the first figure. The period of the first-cycle time slot resource is equal to twice the period of the first-order map, that is, the period of the first-cycle time slot resource is 20 time slots.

If the first parameter is equal to 0, the third parameter includes 0, 2, 4, 6, 8, 10, the fourth parameter is equal to 2, and the fifth parameter is equal to 1. Then, as shown in Figure 13a, the resource set where the first cycle time slot resource is located includes 6 resources (resource 1 (#1) to resource 6 (#6)), the time slot offset of the resource set is 0, and resource 1 The slot offsets to resource 6 are 0, 2, 4, 6, 8, and 10 respectively. Resource concentration, the number of time slots included in each resource in one cycle is 2, that is, each resource includes 2 time slots. Resources are concentrated, and the interval between adjacent time slots in each resource within a cycle is 1, that is, 2 time slots in each resource are adjacent.

If the first parameter is equal to 2, the third parameter includes 0,1, the fourth parameter is equal to 5, and the fifth parameter is equal to 2. Then, as shown in Figure 13b, the resource set where the first cycle time slot resource is located includes two resources (resource 1 (#1) and resource 2 (#2)). The time slot offset of the resource set is 2. Resource 1 The time slot offsets of resource 2 and resource 2 are 0 and 1 respectively. Resource concentration, the number of time slots included in each resource in one cycle is 5, that is, each resource includes 5 time slots. Resource concentration, the interval between adjacent time slots in each resource in a cycle is 2, that is, in each resource, each of the 5 time slots is 2 time slots apart from the previous time slot. .

To sum up, the first device can use the periodicity of the first bit map to determine the period from the available SL resources based on the value of the configured first bit map, configuration parameters, and the period of the first cycle time slot resource. The resource location of the first cycle time slot resource.

In an optional implementation, when the second configuration information includes multiple sets of configuration parameters, the first device may also receive the first indication information, and based on the first indication information, determine an usable set from the multiple sets of configuration parameters. Configuration parameters.

In an optional implementation manner, the second configuration information also includes a valid duration of the configuration parameters, and the valid duration also corresponds to the valid duration of the first cycle time slot resource. That is to say, within the validity period of the configuration parameter, the first device can determine the resource location of the first periodic time slot resource based on the configuration parameter, and can use the first periodic time slot resource to periodically transmit the sidelink Signal. However, outside the validity period of the configuration parameter, the configuration parameter becomes invalid and the first device cannot use the configuration parameter. Therefore, the first device cannot use the first cycle time slot resource determined based on the configuration parameter.

In an optional implementation, the first device may also use the first periodic time slot resource to periodically send the sidelink signal. Optionally, the first device uses the first periodic time slot resource to periodically send the sidelink signal within the validity period of the configuration parameter.

In an optional implementation, before the second device determines the second configuration information, it may also receive positioning requirement information from the first device. Therefore, the second device receives the positioning requirement information and determines the second configuration information based on the positioning requirement information. Positioning requirement information includes one or more of the following: positioning cycle, positioning priority, and positioning duration.

For the implementation of the second device determining the second configuration information based on the positioning requirement information, please refer to the implementation of the resource location determination method 100 of the periodic time slot resource mentioned above. The implementation of the second device determining the first configuration information based on the location requirement information will not be described again. .

It can be seen that in the embodiment of the present application, the first device determines the second time slot set from the first time slot set based on the value of the first bit map in the second configuration information, and determines the second time slot set based on the configuration in the second configuration information. parameters and the mid-cycle of the first-cycle time slot resources, and determine the resource location of the first-cycle time slot resources from the second time slot set. Therefore, when the first device faces periodic sidelink services, it does not need to periodically perform resource sensing and resource selection. It can use the first periodic time slot resources and periodically send sidelink signals, which is beneficial to reducing The processing complexity of the first device is also beneficial to reducing the power consumption of the first device.

5. Resource location determination method 300 for periodic time slot resources.

This embodiment of the present application proposes a resource location determination method 300 for periodic time slot resources. Figure 14 is a schematic flowchart of the resource location determination method 300 for periodic time slot resources. The resource location determination method 300 of periodic time slot resources is explained from the perspective of the first device. The resource location determination method 300 of the periodic time slot resources includes but is not limited to the following steps:

S301. The first device determines the resource location where the intersection of the third time slot set and the fourth time slot set is located as the resource location where the first periodic time slot resource is located. The first periodic time slot resource is used for periodic sending side downlink signal, the third time slot set includes a second periodic time slot, the second periodic time slot is determined from the configured physical time slots, and the fourth time slot set includes time slots in the sidelink resource pool .

It can be understood that the second periodic time slot in the third time slot set is determined from the configured physical time slots based on the above formula (1). That is, when the physical time slot index in the physical time slot When the above formula (1) is satisfied, the physical time slot index The corresponding time slot position is the time slot position of the second cycle time slot.

The time slots in the sidelink resource pool are determined from the configured physical time slots based on the above-mentioned determination process in Figure 4. For the determination process, please refer to the description related to the above-mentioned Figure 4 and will not be described again.

The third time slot set composed of time slots that satisfy the above formula (1) can be expressed as:

Among them, m is the physical time slot index of the time slot in the physical time slot.

The fourth time slot set composed of time slots in the sidelink resource pool can be expressed as:

where p is the physical slot index of the slot in the sidelink resource pool.

Then, the set of time slots in the first cycle time slot resource is:

Among them, m is an integer greater than or equal to 0. p is an integer greater than or equal to 0. n is an integer greater than or equal to 0.

It can be understood that the time slot position where index n is located is the resource position of the first period time slot resource.

It can be understood that "the intersection of the third time slot set and the fourth time slot set" can also be expressed as "the overlapping part of the third time slot set and the fourth time slot set", or it can also be expressed as "the third time slot set" "Part of the time slots in the fourth time slot set falling into the fourth time slot set", or it can also be expressed as "Part of the time slots in the fourth time slot set falling into the third time slot set".

For example, as shown in Figure 4 above, when the first parameter in formula (1) is equal to 5, the second parameter is equal to 10, the third parameter is equal to 0, the fourth parameter is equal to 5, and the fifth parameter is equal to 1, the The physical time slot index of the second periodic time slot determined by a device from the configured physical time slot is (5,6,7,8,9,15,16,17,18,19,25,26,27, 28,29), the physical time slot index of the time slot in the sidelink resource pool determined by the first device from the configured physical time slot is (9,13,14,18,22,24). Then, the first device determines the resource location of the time slot with the physical time slot index of (9,18) as the resource location of the first period time slot resource, that is, the time slot with the physical time slot index of (9,18). is the time slot in the first cycle time slot resource.

It can also be understood that the first device determines the time slot in the shaded portion shown in Figure 15 as the time slot in the first periodic time slot resource. Since the time slots in the third time slot set are periodic, the intersection of the time slots in the third time slot set and the time slots in the sidelink resource pool is determined as the first periodic time slot resource. The first cycle time slot resource is made to be a periodic resource.

In an optional implementation, the first device may also use the first periodic time slot resource to periodically send sidelink positioning reference signals or sidelink synchronization signal blocks to reduce the complexity of processing by the first device. Spend.

It can be seen that in the embodiment of the present application, the first device determines the resource location where the intersection of the second periodic time slot resource determined from the configured physical time slot and the time slot in the sidelink resource pool is located as the first The resource location where periodic time slot resources are located. This facilitates the first device to periodically send sidelink signals based on the first periodic time slot resources when facing periodic sidelink services, which can reduce the first device's periodic resource sensing and resource selection. complexity.

6. Resource location determination method 400 for periodic time slot resources.

This embodiment of the present application proposes a resource location determination method 400 for periodic time slot resources. Figure 16 is an interactive schematic diagram of the resource location determination method 400 for periodic time slot resources. The resource location determination method 400 of periodic time slot resources is explained from the perspective of interaction between the first device and the second device. The resource location determination method 400 of the periodic time slot resources includes but is not limited to the following steps:

S401. The second device determines third configuration information. The third configuration information includes the value of the second bitmap, the period of the first periodic time slot resource, the period of the second bitmap, and configuration parameters.

Among them, the period of the time slot resource in the first period is an integer multiple of the period of the second bitmap, and the period of the second bitmap is the number of time slots in the physical time slot within a time slot allocation period except the uplink time slot. an integer multiple of the number.

It can be understood that the period of the second bitmap is an integer multiple of the number of time slots in a time slot allocation period in the physical time slot except the uplink time slot, and the period of the first period time slot resource is the second The integer multiple of the period of the bitmap is to ensure that the time slot distribution within the period of different first period time slot resources is the same, which is conducive to making the resource locations of the determined first period time slot resources evenly distributed in time.

Non-uplink time slots include but are not limited to downlink time slots and flexible time slots. For example, as shown in Figure 4 above, a time slot configuration period in a physical time slot includes 1 downlink time slot, 1 flexible time slot and 3 uplink time slots, then within a time slot configuration period unless the uplink time slot ( The number of time slots other than downlink time slots and flexible time slots is 3. Then, the period of the second bitmap determined by the second device is an integer multiple of 3, such as 3, 6, 9, 12, and so on.

The third configuration information is used to determine the resource location of the first cycle time slot resource. The first cycle time slot resource is used for periodically transmitting sidelink signals. It can be seen that the second device is configured with third configuration information used to determine the resource location of the first periodic time slot resource.

In an optional implementation, the third configuration information includes multiple sets of configuration parameters, each set of configuration parameters including one or more of the above first parameters, one or more third parameters, fourth parameters and fifth parameters. item. In this case, the second device may also send first indication information. The first indication information is used to indicate the first set of configuration parameters to be activated and/or deactivated among the multiple sets of configuration parameters. The first set of configuration parameters is the multiple sets of configuration parameters. Any set or sets of parameters. This facilitates the first device to determine a usable set of configuration parameters from multiple sets of configuration parameters based on the first indication information.

In an optional implementation, the first indication information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control information SCI , radio resource control of the first interface, the first interface signaling protocol stack, and the second interface. The first interface is the interface between two different terminal devices, that is, the PC5 interface. The second interface is the interface between the side link positioning and ranging functional units of two different terminal devices, that is, the SR5 interface.

In an optional implementation, before the second device determines the third configuration information, the first device may send positioning requirement information, so that the second device may also receive positioning requirement information. Positioning requirement information includes one or more of the following: positioning cycle, positioning priority, and positioning duration. For this implementation, please refer to the resource location determination method 100 for periodic time slot resources mentioned above, and details will not be described again.

For the implementation method of the second device configuring the third configuration information through the above signaling, please refer to the configuration method in the resource location determination method 100 of the periodic time slot resources, which will not be described again.

S402. The second device sends the third configuration information. Correspondingly, the first device receives the third configuration information.

S403. The first device determines the time slots other than the uplink time slots among the configured physical time slots as time slots in the fifth time slot set.

It can be understood that the fifth time slot set includes time slots other than uplink time slots among the configured physical time slots.

For example, as shown in Figure 17, physical time slots include 30 time slots, and the physical time slots include uplink time slots, downlink time slots, flexible time slots, and time slots where S-SSB is located. The ratio of uplink and downlink time slots in physical time slots is 4:1, and a time slot allocation period is 5 time slots. A time slot allocation period includes 1 downlink time slot, 1 flexible time slot and 3 uplink timeslots. time slot.

Since there are 3 uplink time slots remaining in each time slot allocation period, including a total of 6 time slot allocation periods, a total of 18 uplink time slots remain after the first device removes non-uplink time slots from the physical time slots. The physical time slot index of the 18 uplink time slots is (2,3,4,7,8,9,12,13,14,17,18,19,22,23,24,27,28,29). In other words, the physical time slot index is (2,3,4,7,8,9,12,13,14,17,18,19,22,23,24,27,28,29). The set of is the fifth time slot set.

S404. The first device periodically applies the value of the second bitmap to the time slots in the fifth time slot set to obtain the sixth time slot set.

Since the period of the second bitmap is an integer multiple of the number of time slots except uplink time slots within a time slot allocation period in the physical time slot, the first device periodically applies the value of the second bitmap to When it is on the time slots in the fifth time slot set, the value of the second bitmap can be applied to all the time slots in the fifth time slot set in multiples of the periodicity, that is, there will be no periodicity of the second bitmap. Some values do not have corresponding time slots.

It can be understood that after the first device periodically applies the value of the second bitmap to the time slots in the fifth time slot set, the first device determines the time slot corresponding to the value of the second bitmap being 1 as the first time slot. A slot in a six-slot set.

Optionally, after the first device periodically applies the value of the second bitmap to the time slots in the fifth time slot set, the first device determines the time slot corresponding to the value of 0 in the second bitmap as the first time slot. A slot in a six-slot set. The embodiment of the present application does not limit which type of value in the second bitmap corresponds to the time slot, and determines the time slot in the sixth time slot set.

For example, as shown in Figure 17 above, the value of the second bitmap is 001110, that is, the period of the second bitmap is 6 time slots, which is within one time slot allocation period in the physical time slot unless the uplink time 2 times the number of time slots outside the slot. As shown in Figure 17, after the first device periodically applies the value of the second bitmap to the time slots in the fifth time slot set, the first device determines the time slot corresponding to the value of the second bitmap being 1 as A slot in the sixth slot set. Then, the first device determines that the physical time slot index of the time slot in the sixth time slot set is (4,7,8,14,17,18,24,27,28), that is, the sixth time slot set includes physical time slot The slot index is (4,7,8,14,17,18,24,27,28).

It can be seen that the time slots in the sixth time slot set include periodic time slots, which is beneficial for the first device to determine the periodic first periodic time slot resources from the sixth time slot set.

S405. Based on the configuration parameters, the first device determines the resource location of the first cycle time slot resource from the sixth time slot set.

It can be understood that the first device determines the resource location of the first cycle time slot resource from the sixth time slot set based on the meaning of each parameter in the configuration parameters. For the specific determination method, please refer to the resource location determination method 100 of the periodic time slot resources mentioned above, and will not be described again.

Exemplarily, as shown in Figure 17, based on the configuration parameters, the first device determines from the sixth time slot set that the resource set in which the first periodic time slot resource is located includes three resources, that is, resource 1 (#1), For resource 2 (#2) and resource 3 (#3), the time slot offset of the resource set is 0. The time slot offsets of resource 1, resource 2, and resource 3 relative to the starting resource (resource 1) are 0, 1, and 2 respectively. Resources are concentrated, and the number of time slots included in each resource in a cycle is 1. Resources are concentrated, and the interval between adjacent time slots in each resource in a cycle is 0, that is, each resource is a time slot in a cycle.

In an optional implementation, when the third configuration information includes multiple sets of configuration parameters, the first device may also receive the first indication information, and determine an usable set from the multiple sets of configuration parameters based on the first indication information. Configuration parameters. Furthermore, the first device determines the resource location of the first cycle time slot resource from the sixth time slot set based on a set of available configuration parameters.

In an optional implementation, the first device may also use the first periodic time slot resource to periodically send the sidelink positioning reference signal. When the time slot in the first cycle time slot resource is the time slot in which the sidelink synchronization signal block is located, the first device may send the sidelink synchronization signal block in this time slot by default, or by default in this time slot. The sidelink positioning reference signal is sent up.

For example, as shown in Figure 17 above, the time slot with physical time slot index 7 is the time slot in which the sidelink synchronization signal block is located. The first device uses the first periodic time slot in Figure 17 to periodically transmit When the sidelink positioning reference signal is used, the sidelink positioning reference signal is sent on the time slot with the physical time slot index 7 by default, and the sidelink synchronization signal block is not sent.

In another optional implementation, when the third configuration information also includes the priority of the sidelink synchronization signal block and the sidelink positioning reference signal, the first device uses the first periodic time slot resource, periodically Transmit the sidelink positioning reference signal. If the time slot in the first cycle time slot resource is the time slot where the sidelink synchronization signal block is located, then based on the sidelink synchronization signal block and the sidelink positioning reference The priority of the signal, the sidelink signal is sent on the time slot where the sidelink synchronization signal block is located.

It can be understood that if the priority of the sidelink synchronization signal block is higher than the priority of the sidelink positioning reference signal, the first device sends the sidelink synchronization signal block in the time slot where the sidelink synchronization signal block is located. If the priority of the sidelink synchronization signal block is lower than the priority of the sidelink positioning reference signal, the first device sends the sidelink synchronization signal block in the time slot where the sidelink synchronization signal block is located. Link positioning reference signal.

Exemplarily, the priority of the sidelink positioning reference signal in the third configuration information is higher than the priority of the sidelink synchronization signal block. As shown in Figure 17 above, the first device uses the first periodic time slot resource to send When the sidelink positioning reference signal is used, the sidelink positioning reference signal continues to be sent on the time slot with the physical time slot index 7.

In an optional implementation, when the third configuration information also includes the valid duration of the configuration parameter, the first device uses the first periodic time slot resource to periodically send the sidelink positioning reference signal, including: the first device Within the validity period of the configuration parameter, the first cycle time slot resource is used to periodically send the sidelink positioning reference signal.

It can be seen that in the embodiment of the present application, the first device determines the resource location of the first cycle time slot resource for periodically transmitting the sidelink signal based on the configured third configuration information, and the determined first cycle time slot Slot resources are evenly distributed in time. This helps the first device to use the first periodic time slot resource and periodically send sidelink signals when facing periodic sidelink services, which can reduce the processing complexity of the first device.

7. Resource location determination method 500 for periodic time slot resources.

This embodiment of the present application proposes a resource location determination method 500 for periodic time slot resources. Figure 18 is an interactive schematic diagram of the resource location determination method 500 for periodic time slot resources. The resource location determination method 500 of periodic time slot resources is explained from the perspective of interaction between the first device and the second device. The resource location determination method 500 of the periodic time slot resources includes but is not limited to the following steps:

S501. The second device determines fourth configuration information. The fourth configuration information includes the value of the third bitmap, the period of the third bitmap, the period of the first cycle time slot resource, and the configuration parameters.

The fourth configuration information is used to determine the resource location of the first periodic time slot resource, and the first periodic time slot resource is used to periodically transmit the sidelink signal.

It can be understood that the configuration parameters include one or more of the following: a first parameter, one or more third parameters, a fourth parameter, and a fifth parameter. The physical meaning of the first parameter, one or more third parameters, the fourth parameter and the fifth parameter, as well as the role of each parameter, can be found in the resource location determination method 100 of the periodic time slot resource mentioned above, and will not be described again. .

The period of the third bitmap is an integer multiple of the time slot allocation period of the configured physical time slot, and the time slot allocation period is configured when the physical time slot is configured. The period of the first period time slot resource is an integer multiple of the period of the third bitmap. This method can ensure that the time slot distribution within the period of different first period time slot resources is the same, and is therefore conducive to making the resource locations of the determined first period time slot resources evenly distributed in time.

In an optional implementation, the fourth configuration information also includes priorities of sidelink synchronization signal blocks and sidelink positioning reference signals. With a priority that is beneficial to the first device based on the sidelink synchronization signal block and the sidelink positioning reference signal, the first periodic time slot resource is used to periodically send the sidelink positioning reference signal.

In an optional implementation, the fourth configuration information includes multiple sets of configuration parameters, each set of configuration parameters including one or more of the above first parameters, one or more third parameters, fourth parameters and fifth parameters. item. In this case, the second device may also send first indication information. The first indication information is used to indicate the first set of configuration parameters to be activated and/or deactivated among the multiple sets of configuration parameters. The first set of configuration parameters is the multiple sets of configuration parameters. Any set or sets of parameters. This facilitates the first device to determine a usable set of configuration parameters from multiple sets of configuration parameters based on the first indication information.

In an optional implementation, the second device can also receive positioning requirement information, and the positioning requirement information includes one or more of the following: positioning period, positioning priority, and positioning duration. For this implementation, please refer to the resource location determination method 100 for periodic time slot resources mentioned above, and details will not be described again.

For the implementation method of the second device configuring the fourth configuration information through the above signaling, please refer to the configuration method in the resource location determination method 100 of the periodic time slot resources, which will not be described again.

S502. The second device sends fourth configuration information. Correspondingly, the first device receives the fourth configuration information.

S503. The first device periodically applies the value of the third bitmap to the configured physical time slots to obtain the seventh time slot set.

It can be understood that since the period of the third bitmap is an integer multiple of the time slot allocation period of the configured physical time slot, the first device periodically uses the value of the third bitmap for the configured physical time slot. When the time slot is on, the value of the third bitmap can be periodically applied to the physical time slot in multiples, that is, there will be no time slot for which the value of the third bitmap does not correspond.

It can be understood that the first device periodically applies the value of the third bitmap to the configured physical time slot, and determines the time slot corresponding to the value of 1 in the third bitmap as the seventh time slot set. The time slots, that is, the time slots in the seventh time slot set are the physical time slots corresponding to the value of 1 in the third bitmap.

Optionally, the first device periodically applies the value of the third bitmap to the configured physical time slot, and determines the time slot corresponding to the value of 0 in the third bitmap as the seventh time slot set. The time slots, that is, the time slots in the seventh time slot set are the physical time slots corresponding to the value 0 of the third bitmap. The embodiment of the present application does not limit which type of value of the third bitmap corresponds to the time slot that is determined as the time slot in the seventh time slot set.

For example, as shown in Figure 19, the physical time slot includes 30 time slots, and the physical time slot index is 0 to 29. The ratio of uplink and downlink time slots in physical time slots is 4:1. The time slot allocation period of physical time slots is 5 time slots. The period of the third bitmap is also 5 time slots, and the value of the third bitmap is 00110. The first device periodically applies the third bitmap to the time slots in the physical time slots. If the time slot corresponding to the value of 1 in the third bitmap is determined as the time slot in the seventh time slot set, then The seventh time slot set includes time slots with physical time slot indexes (2, 3, 7, 8, 12, 13, 17, 18, 22, 23, 27, 28).

It can be seen that some time slots in the seventh time slot set are periodic time slots in terms of physical time slots, that is, the time slots in the seventh time slot set include periodic time slots.

S504. The first device determines an eighth time slot set from the seventh time slot set based on the configuration parameters, the period of the third bitmap, and the period of the first periodic time slot resource.

It can be understood that the first device determines the eighth time slot set from the seventh time slot set based on the configuration parameters, the period of the third bitmap and the period of the first period time slot resource, which may refer to: the first device determines the eighth time slot set based on the configuration parameters. , the physical meaning of the period of the third bitmap and the period of the first period time slot resource, and the eighth time slot set is determined from the seventh time slot set. For the specific determination method of the eighth time slot set, please refer to the resource location determination method of the first periodic time slot resource in the resource location determination method 100 of the periodic time slot resources mentioned above, which will not be described again.

Exemplarily, as shown in Figure 19 above, the first device determines the eighth time slot set from the seventh time slot set to include resources based on the configuration parameters, the period of the third bitmap and the period of the first periodic time slot resource. 1 (#1) and resource 2 (#2), the time slot offset of the resource set where resource 1 and resource 2 are located is 0. The time slot offsets of resource 1 and resource 2 relative to the starting resource (resource 1) are 0 and 1 respectively. Resources are concentrated, and the number of time slots included in each resource in a cycle is 1. Resources are concentrated, and the interval between adjacent time slots in each resource in a cycle is 0, that is, each resource is a time slot in a cycle.

In an optional implementation, when the fourth configuration information includes multiple sets of configuration parameters, the first device may also receive the first indication information, and determine an available set of configuration parameters from the multiple sets of configuration parameters based on the first indication information. Configuration parameters. Furthermore, the first device determines an eighth time slot set from the seventh time slot set based on a set of available configuration parameters, a period of the third bitmap, and a period of the first periodic time slot resource.

S505. The first device determines the resource location of the first cycle time slot resource based on the time slots in the eighth time slot set except the uplink time slots.

It can be understood that the first device removes the time slots other than the non-uplink time slots from the eighth time slot set, and determines the locations of some of the remaining time slots as the resource locations of the first cycle time slot resources. . Non-uplink time slots include but are not limited to downlink time slots and flexible time slots.

For example, as shown in Figure 19 above, since the time slots in the eighth time slot set are all uplink time slots and there are no non-uplink time slots, the first device determines that the resource location of the first period time slot resource is the eighth time slot. The location of some time slots in the time slot set, that is, the first cycle time slot resource is part of the time slots in the eighth time slot set. The time slot offset of the resource set where the first cycle time slot resource is located is 0. The resource set includes resource 1 and resource 2. The time slot offsets of resource 1 and resource 2 relative to the starting resource are 0 and 1 respectively. Resource concentration, each resource in a cycle includes 1 resource, and the adjacent time slot interval of each resource is 0.

For example, if the time slot resource of the first cycle is resource 1, then the first device determines that the resource location of resource 1 is the time slot corresponding to the physical time slot index (2,7,12,17,22,27) in the eighth time slot set. gap position.

Exemplarily, as shown in Figure 19 above, the time slots with physical time slot indexes 7 and 23 are the time slots where the sidelink synchronization signal block is located. The first device uses the first periodic time slot periodicity in Figure 19 When sending the sidelink positioning reference signal, the sidelink positioning reference signal is sent on the time slots with physical time slot indexes 7 and 23 by default, and the sidelink synchronization signal block is not sent.

In another optional implementation, the fourth configuration information also includes priorities of sidelink synchronization signal blocks and sidelink positioning reference signals. Then, when the first device uses the first periodic time slot resource to periodically transmit the sidelink positioning reference signal, if the time slot in the first periodic time slot resource is the time slot where the sidelink synchronization signal block is located, , then based on the priority of the sidelink synchronization signal block and the sidelink positioning reference signal, the sidelink signal is sent in the time slot where the sidelink synchronization signal block is located.

Exemplarily, the priority of the sidelink positioning reference signal in the fourth configuration information is higher than the priority of the sidelink synchronization signal block. As shown in Figure 19 above, the physical time slot indexes are 7 and 23. is the time slot in which the sidelink synchronization signal block is located. Then, the first device continues to send the sidelink positioning reference signal on the time slots with physical time slot indexes 7 and 23, without sending the sidelink synchronization signal block.

In an optional implementation, when the fourth configuration information also includes the valid duration of the configuration parameter, the first device uses the first periodic time slot resource to periodically send the sidelink positioning reference signal, including: the first device Within the validity period of the configuration parameter, the first cycle time slot resource is used to periodically send the sidelink positioning reference signal.

It can be seen that in this embodiment of the present application, the first device determines the resource locations of the first periodic time slot resources based on the configured fourth configuration information, and the determined first periodic time slot resources are evenly distributed in time. This helps the first device to utilize the first periodic time slot resources to periodically send sidelink signals when faced with periodic sidelink services, which further helps reduce the processing complexity of the first device.

8. Communication devices.

In order to implement each function in the method provided by the above embodiments of the present application, the first device and the second device may include a hardware structure and/or a software module to implement the above-mentioned functions in the form of a hardware structure, a software module, or a hardware structure plus a software module. Each function. Whether one of the above functions is performed as a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraints of the technical solution.

As shown in Figure 20, an embodiment of the present application provides a communication device 2000. The communication device 2000 may be a component of the first device (eg, integrated circuit, chip, etc.) or a component of the second device (eg, integrated circuit, chip, etc.), and is used to implement the method embodiments of the present application. Methods. The communication device 2000 may include: a communication unit 2001 and a processing unit 2002. Optionally, you can also include saving storage unit 2003.

In a possible design, one or more units as shown in Figure 20 may be implemented by one or more processors, or by one or more processors and memories; or by one or more processors and a transceiver; or may be implemented by one or more processors, memories, and transceivers, which are not limited in the embodiments of the present application. The processor, memory, and transceiver can be set separately or integrated.

The communication device 2000 has the function of implementing the sending end or receiving end described in the embodiments of this application. For example, the communication device 2000 includes modules or units or means (means) corresponding to the sending end executing the sending end-related steps described in the embodiments of this application. The functions, units or means (means) can be implemented through software, or through Hardware implementation can also be implemented by hardware executing corresponding software implementation, or it can be implemented by combining software and hardware. For details, reference may be made to the corresponding descriptions in the foregoing corresponding method embodiments.

In a possible design, a communication device 2000 may include: a processing unit 2002 and a communication unit 2001;

Communication unit 2001, configured to receive first configuration information; the first configuration information includes configuration parameters;

The processing unit 2002 is configured to determine the resource location of the first cycle time slot resource from the sidelink resource pool based on the configuration parameter and index k;

The index k is obtained by numbering the time slots in the sidelink resource pool; the k is an integer greater than or equal to 0; the first periodic time slot resource is used to periodically transmit sidelink link signal.

In an optional implementation, the configuration parameters include one or more of the following: a first parameter, a second parameter, one or more third parameters, a fourth parameter and a fifth parameter;

The time slot offset of the resource set in which the first periodic time slot resource is located is determined based on the first parameter; in the resource set, the period of each resource is determined based on the second parameter; the resource In concentration, the time slot offset of each resource is determined based on the third parameter corresponding to the resource; in resource concentration, the number of time slots included in each resource in a cycle is determined based on the fourth parameter. In the resource concentration, the interval between adjacent time slots in each resource within a cycle is determined based on the fifth parameter.

In an optional implementation manner, the first configuration information also includes the validity period of the configuration parameter; the processing unit 2002 is further configured to: within the validity period of the configuration parameter, use the first Periodic time slot resources periodically transmit sidelink positioning reference signals or sidelink synchronization signal blocks.

In an optional implementation, the first configuration information includes multiple sets of configuration parameters; the communication unit 2001 is further configured to: receive first indication information; the first indication information is used to indicate the multiple sets of configurations. The first set of configuration parameters that are activated and/or deactivated in the parameters; the first set of configuration parameters is any set or any multiple sets of the multiple sets of configuration parameters; the processing unit 2002 is based on the configuration parameters and Index k is used to determine the resource location of the first periodic time slot resource from the sidelink resource pool, and is specifically used to: based on the first indication information, the multiple sets of configuration parameters and the index k, determine the resource location of the first periodic slot resource from the sidelink resource pool. Determine the resource location of the first cycle time slot resource in the pool.

In an optional implementation, before receiving the first configuration information, the communication unit 2001 is also configured to: send positioning requirement information; the positioning requirement information includes one or more of the following: positioning cycle, positioning priority, positioning duration Duration; the positioning requirement information is used to determine the configuration parameters.

In an optional implementation, the first configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control Information SCI, radio resource control of the first interface, first interface signaling protocol stack, and second interface;

The first interface is an interface between two different terminal devices; the second interface is an interface between side link positioning and ranging functional units of two different terminal devices.

The embodiments of the present application and the method embodiments shown above are based on the same concept, and the technical effects they bring are also the same. For specific principles, please refer to the description of the embodiments shown above, which will not be described again.

In another possible design, a communication device 2000 may include: a processing unit 2002 and a communication unit 2001;

Processing unit 2002, configured to determine first configuration information; the first configuration information includes configuration parameters;

Communication unit 2001, used to send the first configuration information;

The first parameter is used to determine the time slot offset of the resource set in which the first periodic time slot resource is located; the second parameter is used to determine the period of each resource in the resource set; for the one or more third parameters, each third parameter is used to determine the resource concentration, the third The time slot offset of the resource corresponding to the parameter; the fourth parameter is used to determine the number of time slots included in each resource in a cycle in the resource concentration; the fifth parameter is used to determine the resource concentration, The interval between adjacent time slots in each resource within a cycle.

In an optional implementation manner, the first configuration information also includes the validity period of the configuration parameter.

In an optional implementation, the first configuration information includes multiple sets of the configuration parameters; the communication unit 2001 is further configured to: send first indication information; the first indication information is used to indicate the multiple sets of configuration parameters. The first set of configuration parameters that are activated and/or deactivated among the configuration parameters; the first set of configuration parameters is any set or any multiple sets of the multiple sets of configuration parameters.

In an optional implementation, before the processing unit 2002 determines the first configuration information, the communication unit 2001 is further configured to: receive positioning requirement information; the positioning requirement information includes one or more of the following: positioning cycle, positioning priority , positioning duration; the processing unit 2002 determines the first configuration information, and is specifically configured to: determine the first configuration information based on the positioning requirement information.

In an optional implementation, the first configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control Information SCI, radio resource control of the first interface, first interface signaling protocol stack, and second interface; the first interface is an interface between two different terminal devices; the second interface is an interface between two different terminal devices The interface between the sidelink positioning and ranging functional units.

In yet another possible design, a communication device 2000 may include: a processing unit 2002 and a communication unit 2001;

Communication unit 2001, configured to receive second configuration information; the second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource; the period of the first periodic time slot resource Is an integer multiple of the period of the first bit graph;

The processing unit 2002 is configured to periodically apply the value of the first bit map to the time slots in the first time slot set, and determine the second time slot set from the first time slot set; A time slot set includes time slots in configured physical time slots other than uplink time slots, time slots where synchronization signal blocks are located, and reserved time slots;

The processing unit 2002 is further configured to determine the resource location of the first periodic time slot resource from the second time slot set based on the configuration parameter and the period of the first periodic time slot resource;

The first periodic time slot resource is used for periodically transmitting sidelink signals.

In an optional implementation, the configuration parameters include one or more of the following: a first parameter, one or more third parameters, a fourth parameter, and a fifth parameter;

The time slot offset of the resource set in which the first periodic time slot resource is located is determined based on the first parameter; in the resource set, the time slot offset of each resource is based on the third resource corresponding to the resource. parameters are determined; in the resource set, the number of time slots included in each resource in one cycle is determined based on the fourth parameter; in the resource set, the number of adjacent time slots in each resource in a cycle The interval is determined based on the fifth parameter.

In an optional implementation, the second configuration information also includes the validity period of the configuration parameter; the processing unit 2002 is further configured to: within the validity period of the configuration parameter, use the first cycle time Slot resources are used to periodically send sidelink positioning reference signals or sidelink synchronization signal blocks.

In an optional implementation manner, the second configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control Information SCI, radio resource control of the first interface, first interface signaling protocol stack, and second interface;

Processing unit 2002, configured to determine second configuration information; the second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource; the period of the first periodic time slot resource Is an integer multiple of the period of the first bit graph;

Communication unit 2001, used to send the second configuration information;

The second configuration information is used to determine the resource location of the first periodic time slot resource; the first periodic time slot resource is used to periodically transmit sidelink signals.

The first parameter is used to determine the time slot offset of the resource set in which the first periodic time slot resource is located; for the one or more third parameters, each third parameter is used to determine the resource set, The time slot offset of the resource corresponding to the third parameter; the fourth parameter is used to determine the number of time slots included in each resource in a cycle in the resource set; the fifth parameter is used to determine the Resource concentration, the interval between adjacent time slots in each resource within a cycle.

In an optional implementation manner, the second configuration information also includes the validity period of the configuration parameter.

In an optional implementation manner, the second configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control Information SCI, radio resource control of the first interface, first interface signaling protocol stack, and second interface; the first interface is an interface between two different terminal devices; the second interface is an interface between two different terminal devices The interface between the sidelink positioning and ranging functional units.

In yet another possible design, a communication device 2000 may include: a processing unit 2002 and a communication unit 2001; the communication unit 2001 is used to transmit and receive data/signaling;

The processing unit 2002 is configured to determine the resource location where the intersection of the third time slot set and the fourth time slot set is located as the resource location where the first cycle time slot resource is located;

The third time slot set includes a second periodic time slot resource; the second periodic time slot resource is determined from configured physical time slots; the fourth time slot set includes a sidelink resource pool time slot; the first periodic time slot resource is used to periodically transmit sidelink signals.

In an optional implementation, the processing unit 2002 is further configured to: use the first periodic time slot resource to periodically send a sidelink positioning reference signal or a sidelink synchronization signal block.

An embodiment of the present application also provides a communication device 2100. FIG. 21 is a schematic structural diagram of the communication device 2100. The communication device 2100 may be a first device, or may be a chip, chip system, or processor that supports the first device to implement the above method. The communication device 2100 may also be a second device, or a chip, chip system, or processor that supports the second device to implement the above method. The device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.

The communication device 2100 may include one or more processors 2101. The processor 2101 may be a general-purpose processor or a special-purpose processor. For example, it can be a baseband processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, or a central processing unit (CPU). The baseband processor can be used to process communication protocols and communication data, and the central processor can be used to process communication devices (such as base stations, baseband chips, terminals, terminal chips, distributed units (DU) or centralized units (centralized units)). unit, CU), etc.) to control, execute software programs, and process data of software programs.

Optionally, the communication device 2100 may include one or more memories 2102, on which instructions 2104 may be stored, and the instructions may be executed on the processor 2101, causing the communication device 2100 to perform the above method. Methods described in the Examples. Optionally, the memory 2102 may also store data. The processor 2101 and the memory 2102 can be provided separately or integrated together.

The memory 2102 may include, but is not limited to, non-volatile memories such as hard disk drive (HDD) or solid-state drive (SSD), random access memory (Random Access Memory, RAM), erasable programmable memory, etc. Read-only memory (Erasable Programmable ROM, EPROM), ROM or portable read-only memory (Compact Disc Read-Only Memory, CD-ROM), etc.

Optionally, the communication device 2100 may also include a transceiver 2105 and an antenna 2106. The transceiver 2105 may be called a transceiver unit, a transceiver, a transceiver circuit, etc., and is used to implement transceiver functions. The transceiver 2105 may include a receiver and a transmitter. The receiver may be called a receiver or a receiving circuit, etc., and is used to implement the receiving function; the transmitter may be called a transmitter, a transmitting circuit, etc., and is used to implement the transmitting function.

The communication device 2100 is a first device: the transceiver 2105 is configured to perform S102 in the resource location determination method 100 of periodic time slot resources, S202 in the resource location determination method 200 of periodic time slot resources, and S202 in the resource location determination method 200 of periodic time slot resources. S402 in the resource location determination method 400, S502 in the resource location determination method 500 of periodic time slot resources; the processor 2101 is used to execute S103 in the resource location determination method 100 of periodic time slot resources, resources of periodic time slot resources S203, S204 in the location determination method 200, S301 in the resource location determination method 300 of periodic time slot resources, S403, S404, S405 in the resource location determination method 400 of periodic time slot resources, resource location determination of periodic time slot resources S503, S504, and S505 in method 500.

The communication device 2100 is a second device: the transceiver 2105 is used to perform the resource location determination method 100 of the periodic time slot resources. S102, S202 in the resource location determination method 200 of periodic time slot resources, S402 in the resource location determination method 400 of periodic time slot resources, S502 in the resource location determination method 500 of periodic time slot resources; the processor 2101 is used to Execute S101 in the resource location determination method 100 of periodic time slot resources, S201 in the resource location determination method 200 of periodic time slot resources, S401 in the resource location determination method 400 of periodic time slot resources, and the resource location of periodic time slot resources. S501 in the location determination method 500.

In another possible design, the processor 2101 may include a transceiver for implementing receiving and transmitting functions. For example, the transceiver may be a transceiver circuit, an interface, or an interface circuit. The transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together. The above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.

In another possible design, optionally, the processor 2101 can store instructions 2103, and the instructions 2103 are run on the processor 2101, which can cause the communication device 2100 to execute the method described in the above method embodiment. The instructions 2103 may be fixed in the processor 2101, in which case the processor 2101 may be implemented by hardware.

In another possible design, the communication device 2100 may include a circuit, and the circuit may implement the sending or receiving or communication functions in the foregoing method embodiments. The processor and transceiver described in the embodiments of this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed signal ICs, application specific integrated circuits (application specific integrated circuits). circuit (ASIC), printed circuit board (PCB), electronic equipment, etc. The processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (Bipolar Junction Transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.

The scope of the communication device described in the embodiment of the present application is not limited thereto, and the structure of the communication device may not be limited by FIG. 21 . The communication device may be a stand-alone device or may be part of a larger device. For example, the communication device may be:

(1) Independent integrated circuit IC, or chip, or chip system or subsystem;

(2) A collection of one or more ICs. Optionally, the IC collection may also include a storage component for storing data and instructions;

(3)ASIC, such as modem (modulator);

(4) Modules that can be embedded in other devices;

The communication device and chip in the embodiment of the present application can also perform the implementation described in the above communication device 2000. Those skilled in the art can also understand that the various illustrative logical blocks and steps listed in the embodiments of this application can be implemented by electronic hardware, computer software, or a combination of both. Whether such functionality is implemented in hardware or software depends on the specific application and overall system design requirements. Those skilled in the art can use various methods to implement the described functions for each specific application, but such implementation should not be understood as exceeding the protection scope of the embodiments of the present application.

The embodiments of the present application and the method embodiments shown in the resource location determination method 100 of periodic time slot resources to the resource location determination method 500 of periodic time slot resources are based on the same concept, and the technical effects they bring are also the same. For specific principles, please refer to the above The description of the embodiments shown in the resource location determination method 100 for periodic time slot resources to the resource location determination method 500 for periodic time slot resources will not be described again.

This application also provides a computer-readable storage medium for storing computer software instructions. When the instructions are executed by a communication device, the functions of any of the above method embodiments are implemented.

This application also provides a computer program product for storing computer software instructions. When the instructions are executed by a communication device, the functions of any of the above method embodiments are implemented.

This application also provides a computer program that, when run on a computer, implements the functions of any of the above method embodiments.

This application also provides a communication system, which includes one or more network devices and one or more terminal devices. In another possible design, the system may also include other devices that interact with network devices and terminal devices in the solution provided by this application.

The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented using software, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on the computer, the processes or functions described in the embodiments of the present application are generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, e.g., the computer instructions may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means. The computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated. The available media may be magnetic media (eg, floppy disk, hard disk, magnetic tape), optical media (for example, high-density digital video disc (DVD)), or semiconductor media (for example, SSD), etc.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Any person familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application. should be covered by the protection scope of this application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.

Claims

A method for determining the resource location of periodic time slot resources, characterized in that the method includes:

The first device receives first configuration information; the first configuration information includes configuration parameters;

The first device determines the resource location of the first periodic time slot resource from the sidelink resource pool based on the configuration parameter and index k;

The index k is obtained by numbering the time slots in the sidelink resource pool; the k is an integer greater than or equal to 0;

The first periodic time slot resource is used for periodically transmitting sidelink signals.
The method according to claim 1, wherein the configuration parameters include one or more of the following: a first parameter, a second parameter, one or more third parameters, a fourth parameter and a fifth parameter;

The time slot offset of the resource set in which the first periodic time slot resource is located is determined based on the first parameter;

The resources are concentrated, and the period of each resource is determined based on the second parameter;

In the resource set, the time slot offset of each resource is determined based on the third parameter corresponding to the resource;

In the resource set, the number of time slots included in each resource in one cycle is determined based on the fourth parameter;

In the resource set, the interval between adjacent time slots in each resource within one cycle is determined based on the fifth parameter.
The method according to claim 1 or 2, characterized in that the first configuration information also includes the validity period of the configuration parameter; the method further includes:

The first device uses the first periodic time slot resource to periodically send a sidelink positioning reference signal or a sidelink synchronization signal block within the validity period of the configuration parameter.
The method according to any one of claims 1 to 3, characterized in that the first configuration information includes multiple sets of the configuration parameters; the method further includes:

The first device receives first indication information; the first indication information is used to indicate the first set of configuration parameters that are activated and/or deactivated among the multiple sets of configuration parameters; the first set of configuration parameters is the Any set or sets of multiple sets of configuration parameters;

The first device determines the resource location of the first periodic time slot resource from the sidelink resource pool based on the configuration parameter and index k, including:

The first device determines the resource location of the first periodic time slot resource from the sidelink resource pool based on the first indication information, the multiple sets of configuration parameters and the index k.
The method according to any one of claims 1 to 4, characterized in that before the first device receives the first configuration information, it further includes:

The first device sends positioning requirement information; the positioning requirement information includes one or more of the following: positioning cycle, positioning priority, and positioning duration;

The positioning requirement information is used to determine the configuration parameters.
The method according to any one of claims 1 to 5, characterized in that,

The first configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control information SCI, and radio resources of the first interface Control, first interface signaling protocol stack, second interface;

The first interface is an interface between two different terminal devices; the second interface is an interface between side link positioning and ranging functional units of two different terminal devices.
A method for determining the resource location of periodic time slot resources, characterized in that the method includes:

The second device determines the first configuration information; the first configuration information includes configuration parameters;

The second device sends the first configuration information;

The configuration parameters are used to determine the resource location of the first periodic time slot resource; the first periodic time slot resource is used to periodically transmit sidelink signals.
The method according to claim 7, wherein the configuration parameters include one or more of the following: a first parameter, a second parameter, one or more third parameters, a fourth parameter and a fifth parameter;

The first parameter is used to determine the time slot offset of the resource set in which the first periodic time slot resource is located;

The second parameter is used to determine the period of each resource in the resource set;

For the one or more third parameters, each third parameter is used to determine the time slot offset of the resource corresponding to the third parameter in the resource set;

The fourth parameter is used to determine the number of time slots included in each resource in a cycle in the resource set;

The fifth parameter is used to determine the interval between adjacent time slots in each resource in the resource set within a cycle.
The method according to claim 7 or 8, characterized in that the first configuration information further includes the validity period of the configuration parameter.
The method according to any one of claims 7 to 9, characterized in that the first configuration information includes multiple sets of the configuration parameters; the method further includes:

The second device sends first indication information;

The first indication information is used to indicate the first set of configuration parameters that are activated and/or deactivated among the multiple sets of configuration parameters; the first set of configuration parameters is any set or any of the multiple sets of configuration parameters. Multiple sets.
The method according to any one of claims 7 to 10, characterized in that before the second device determines the first configuration information, it further includes:

The second device receives positioning requirement information; the positioning requirement information includes one or more of the following: positioning cycle, positioning priority, and positioning duration;

The second device determines the first configuration information, including:

The second device determines first configuration information based on the positioning requirement information.
The method according to any one of claims 7 to 11, characterized in that,

The first configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control information SCI, and radio resources of the first interface Control, first interface signaling protocol stack, second interface;

The first interface is an interface between two different terminal devices; the second interface is an interface between side link positioning and ranging functional units of two different terminal devices.
A method for determining the resource location of periodic time slot resources, characterized in that the method includes:

The first device receives the second configuration information; the second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource; the period of the first periodic time slot resource is the The first bit is an integer multiple of the period of the graph;

The first device periodically applies the value of the first bit map to the time slots in the first time slot set, and determines the second time slot set from the first time slot set; the first The time slot set includes the time slots in the configured physical time slots other than the uplink time slot, the time slot where the synchronization signal block is located, and the reserved time slot;

The first device determines the resource location of the first periodic time slot resource from the second time slot set based on the configuration parameter and the period of the first periodic time slot resource;

The first periodic time slot resource is used for periodically transmitting sidelink signals.
The method according to claim 13, wherein the configuration parameters include one or more of the following: a first parameter, one or more third parameters, a fourth parameter and a fifth parameter;

The time slot offset of the resource set in which the first periodic time slot resource is located is determined based on the first parameter;

In the resource set, the time slot offset of each resource is determined based on the third parameter corresponding to the resource;

In the resource set, the number of time slots included in each resource in one cycle is determined based on the fourth parameter;

In the resource set, the interval between adjacent time slots in each resource within one cycle is determined based on the fifth parameter.
The method according to claim 13 or 14, characterized in that the second configuration information also includes the validity period of the configuration parameter; the method further includes:

The first device uses the first periodic time slot resource to periodically send a sidelink positioning reference signal or a sidelink synchronization signal block within the validity period of the configuration parameter.
The method according to any one of claims 13 to 15, characterized in that,

The second configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control information SCI, and radio resources of the first interface Control, first interface signaling protocol stack, second interface;

The first interface is an interface between two different terminal devices; the second interface is an interface between side link positioning and ranging functional units of two different terminal devices.
A method for determining the resource location of periodic time slot resources, characterized in that the method includes:

The second device determines second configuration information; the second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource; the period of the first periodic time slot resource is the The first bit is an integer multiple of the period of the graph;

The second device sends the second configuration information;

The second configuration information is used to determine the resource location of the first periodic time slot resource; the first periodic time slot resource is used to periodically transmit sidelink signals.
The method of claim 17, wherein the configuration parameters include one or more of the following: a first parameter, one or more third parameters, a fourth parameter and a fifth parameter;

The first parameter is used to determine the time slot offset of the resource set in which the first periodic time slot resource is located;

For the one or more third parameters, each third parameter is used to determine the time slot offset of the resource corresponding to the third parameter in the resource set;

The fourth parameter is used to determine the number of time slots included in each resource in a cycle in the resource set;

The fifth parameter is used to determine the interval between adjacent time slots in each resource in the resource set within a cycle.
The method according to claim 17 or 18, characterized in that the second configuration information further includes the validity period of the configuration parameter.
The method according to any one of claims 17 to 19, characterized in that,

The second configuration information is carried in one or more of the following: radio resource control RRC, downlink control information DCI, media access control-control unit MAC CE, sidelink control information SCI, and radio resources of the first interface Control, first interface signaling protocol stack, second interface;

The first interface is an interface between two different terminal devices; the second interface is an interface between side link positioning and ranging functional units of two different terminal devices.
A method for determining the resource location of periodic time slot resources, characterized in that the method includes:

The first device determines the resource location where the intersection of the third time slot set and the fourth time slot set is located as the resource location where the first cycle time slot resource is located;

The third time slot set includes second periodic time slot resources; the second periodic time slot resource is determined from configured physical time slots;

The fourth time slot set includes time slots in a sidelink resource pool; the first periodic time slot resource is used to periodically transmit sidelink signals.
The method according to claim 21, characterized in that, the method further includes:

The first device uses the first periodic time slot resource to periodically send a sidelink positioning reference signal or a sidelink synchronization signal block.
A communication device, characterized in that the device includes a communication unit and a processing unit;

The communication unit is used to receive first configuration information; the first configuration information includes configuration parameters;

The processing unit is configured to determine the resource location of the first cycle time slot resource from the sidelink resource pool based on the configuration parameter and index k;

The index k is obtained by numbering the time slots in the sidelink resource pool; the k is an integer greater than or equal to 0;

The first periodic time slot resource is used for periodically transmitting sidelink signals.
A communication device, characterized in that the device includes a communication unit and a processing unit;

The processing unit is used to determine first configuration information; the first configuration information includes configuration parameters;

The communication unit is used to send the first configuration information;

The configuration parameters are used to determine the resource location of the first periodic time slot resource; the first periodic time slot resource is used to periodically transmit sidelink signals.
A communication device, characterized in that the device includes a communication unit and a processing unit;

The communication unit is configured to receive second configuration information; the second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource; the first periodic time slot resource The period is an integer multiple of the period of the first bit graph;

The processing unit is configured to periodically apply the value of the first bit map to the time slots in the first time slot set, and determine the second time slot set from the first time slot set; The first time slot set includes time slots in the configured physical time slots except for uplink time slots, time slots where synchronization signal blocks are located, and reserved time slots;

The processing unit is further configured to determine the resource location of the first periodic time slot resource from the second time slot set based on the configuration parameter and the period of the first periodic time slot resource;

The first periodic time slot resource is used for periodically transmitting sidelink signals.
A communication device, characterized in that the device includes a communication unit and a processing unit;

The processing unit is used to determine second configuration information; the second configuration information includes configuration parameters, the value of the first bit map, and the period of the first periodic time slot resource; the first periodic time slot resource The period is an integer multiple of the period of the first bit graph;

The communication unit is used to send the second configuration information;

The second configuration information is used to determine the resource location of the first periodic time slot resource; the first periodic time slot resource is used to periodically transmit sidelink signals.
A communication device, characterized in that the device includes a communication unit and a processing unit; the communication unit is used to send and receive data/signaling;

The processing unit is configured to determine the resource location where the intersection of the third time slot set and the fourth time slot set is located as the resource location where the first periodic time slot resource is located;

The third time slot set includes second periodic time slot resources; the second periodic time slot resource is determined from configured physical time slots;

The fourth set of time slots includes time slots in a sidelink resource pool.
A communication device, characterized in that it includes a processor and a transceiver, the transceiver is used to communicate with other communication devices; the processor is used to run a program, so that the method according to any one of claims 1 to 6 is used Execution, or causing the method described in any one of claims 7 to 12 to be performed, or causing the method described in claims 13 to 16 to be performed, or causing the method described in claims 17 to 20 to be performed, or causing the right The method of claim 21 or 22 is carried out.
A computer-readable storage medium, characterized in that the computer-readable storage medium is used to store instructions that, when run on a computer, cause the method described in any one of claims 1 to 6 to be executed, or causing the method described in any one of claims 7 to 12 to be performed, or causing the method described in claims 13 to 16 to be performed, or causing the method described in claims 17 to 20 to be performed, or causing claim 21 or The method described in 22 is executed.
A computer program product containing instructions, which, when run on a computer, causes the method described in any one of claims 1 to 6 to be executed, or causes the method described in any one of claims 7 to 12 to be performed The method is performed, or causes the method described in claims 13 to 16 to be performed, or causes the method described in claims 17 to 20 to be performed, or causes the method described in claim 21 or 22 to be performed.