阅读说明：本技术 一种车联网系统中的资源选取方法及其用户设备 (Resource selection method in Internet of vehicles system and user equipment thereof ) 是由 赵振山 卢前溪 林晖闵 于 2019-06-06 设计创作，主要内容包括：一种终端到终端系统中的资源选取方法及其终端设备。方法包括：终端设备获取第一资源集合,其中,所述第一资源集合中的资源是候选传输资源；所述终端设备进行侦听,根据测量的其他发送终端占用的资源的RSRP以及RSRP门限值,将不可用资源从所述第一资源集合中排除；终端设备在第一资源集合中选取一个资源进行数据传输。该方法及终端设备可以将发送功率差值较大的其他终端所占用的资源从第一资源集合中排除,从而避免抢占低发送功率终端的传输资源,避免造成对其传输的干扰。(A resource selection method from a terminal to a terminal system and a terminal device thereof are provided. The method comprises the following steps: the method comprises the steps that terminal equipment acquires a first resource set, wherein resources in the first resource set are candidate transmission resources; the terminal equipment monitors and excludes unavailable resources from the first resource set according to the measured RSRP and the RSRP threshold values of the resources occupied by other sending terminals; the terminal equipment selects one resource from the first resource set for data transmission. The method and the terminal equipment can exclude the resources occupied by other terminals with larger difference of the sending power from the first resource set, thereby avoiding preempting the transmission resources of the terminals with low sending power and avoiding causing interference to the transmission of the terminals.)

A method for selecting resources in a terminal-to-terminal system is characterized in that the method comprises the following steps:

the method comprises the steps that terminal equipment acquires a first resource set, wherein resources in the first resource set are candidate transmission resources;

the terminal equipment monitors and excludes unavailable resources from the first resource set according to the measured RSRP and the RSRP threshold values of the resources occupied by other sending terminals;

and the terminal equipment selects one resource from the first resource set for data transmission.

The method according to claim 1, wherein the step of "the terminal device listens and excludes an unavailable resource from the first set of resources according to the measured RSRP of resources occupied by other transmitting terminals and an RSRP threshold" specifically comprises:

the terminal equipment determines a difference value between the sending power of other sending terminals and the sending power of data to be sent by the terminal equipment, adjusts the measured RSRP of the resources occupied by the other sending terminals according to the difference value, or adjusts the RSRP threshold value according to the difference value, and eliminates the unavailable resources from the first resource set according to the adjusted RSRP or the adjusted RSRP threshold value.

The method according to claim 2, wherein the step of "the terminal device listens and excludes the unavailable resource from the first set of resources according to the measured RSRP of the resources occupied by the other transmitting terminals and the RSRP threshold value" comprises:

the terminal equipment determines a first PSSCH-RSRP threshold value;

adjusting the first PSSCH-RSRP threshold value according to the difference value between the sending power of the other sending terminals and the sending power of the data to be sent of the terminal equipment, and obtaining a second PSSCH-RSRP threshold value;

after detecting the PSCCH of the other transmitting terminals, the terminal equipment measures the RSRP of the PSSCH scheduled by the PSCCH to obtain a first PSSCH-RSRP;

and if the first PSSCH-RSRP is greater than or equal to the second PSSCH-RSRP threshold value, excluding resources occupied by the other sending terminals from the first resource set.

The method according to claim 2, wherein said step of said terminal device listening, excluding from said first set of resources, unavailable resources according to the measured RSRP of resources occupied by other transmitting terminals and an RSRP threshold value comprises:

the terminal equipment determines a first PSSCH-RSRP threshold value;

after detecting the PSCCH of the other transmitting terminals, the terminal equipment measures the RSRP of the PSSCH scheduled by the PSCCH to obtain a first PSSCH-RSRP;

adjusting the first PSSCH-RSRP according to the difference value between the sending power of the other sending terminals and the sending power of the data to be sent of the terminal equipment, and obtaining a second PSSCH-RSRP;

and if the second PSSCH-RSRP is greater than or equal to the first PSSCH-RSRP threshold value, excluding resources occupied by the other sending terminals from the first resource set.

The method according to any one of claims 1 to 4, further comprising:

and the terminal equipment determines the PSSCH-RSRP threshold value according to the priority information carried in the PSCCH of the other terminal equipment and the priority information of the data to be transmitted by the terminal equipment.

The method according to any one of claims 2 to 5, further comprising:

and the terminal equipment determines the sending power of the other terminals according to the first indication information carried in the PSCCH.

The method according to claim 1, wherein the step of "the terminal device listens and excludes the unavailable resource from the first set of resources according to the measured RSRP of the resources occupied by the other transmitting terminals and the RSRP threshold value" comprises:

after detecting the PSCCH of the other sending terminals, the terminal equipment measures the PSCCH-RSRP of the PSCCH;

the terminal equipment determines a PSCCH-RSRP threshold value;

and if the PSCCH-RSRP is greater than or equal to the PSCCH-RSRP threshold value, excluding the resources occupied by the other sending terminals from the first resource set.

The method of claim 7, further comprising:

and the terminal equipment determines the PSCCH-RSRP threshold value according to the priority information carried in the PSCCH of the other terminal equipment and the priority information of the data to be transmitted by the terminal equipment.

The method according to any one of claims 7 to 8, further comprising:

and the PSCCH of the other terminal equipment carries out power control according to a broadcasting mode.

The method according to any one of claims 7 to 9, further comprising:

and the PSSCH of other terminal equipment carries out power control according to a unicast or multicast mode.

The method according to claim 1, wherein the step of the terminal device acquiring the first set of resources comprises:

the terminal equipment acquires configuration information, wherein the configuration information is used for determining the corresponding relation between the transmission power level and the resource pool;

and the terminal equipment acquires the first resource set in a resource pool corresponding to the transmission power of the terminal equipment.

The method of claim 11, wherein the step of said terminal device listening to exclude from said first set of resources unavailable resources based on the measured RSRP of resources occupied by other transmitting terminals and an RSRP threshold comprises:

the terminal equipment determines a PSSCH-RSRP threshold value;

after detecting the PSCCH of the other transmitting terminals, the terminal equipment measures the RSRP of the PSSCH scheduled by the PSCCH to obtain PSSCH-RSRP;

and if the PSSCH-RSRP is greater than or equal to the PSSCH-RSRP threshold value, excluding the resources occupied by the other sending terminals from the first resource set.

The method according to any one of claims 3, 4, 7 or 12, wherein the step of excluding the resources occupied by the other transmitting terminals in the first set of resources comprises:

the terminal equipment acquires a first time interval;

the terminal equipment determines transmission resources used by the other terminal equipment for next transmission according to the resources of the PSCCH and/or the PSSCH and the first time interval;

and if the first resource belongs to the first resource set and the first resource and the transmission resource used by the other terminal equipment for next transmission are overlapped, excluding the first resource from the first resource set.

The method of claim 13, further comprising: the first time interval is carried in the PSCCH of the other terminal equipment.

A terminal device in a terminal-to-terminal system, the terminal device comprising:

a listening module (210) configured to obtain a first set of resources, wherein resources in the first set of resources are candidate transmission resources;

a selecting module (220) for the terminal device to monitor, and to exclude the unavailable resource from the first resource set according to the measured RSRP and RSRP threshold values of the resources occupied by other sending terminals;

a transmission module (230) configured to select a resource from the first set of resources for data transmission.

The terminal device of claim 15, wherein:

the selecting module (220) is specifically configured to determine a difference between the transmission power of the other sending terminals and the transmission power of the data to be sent by the terminal device, adjust RSRP of resources occupied by the other sending terminals according to the difference, or adjust an RSRP threshold according to the difference, and exclude, according to the adjusted RSRP or the adjusted RSRP threshold, the unavailable resources from the first resource set.

The terminal device of claim 16, wherein the selecting module (220) comprises:

an initial threshold acquisition module (2211) for determining a first RSRP threshold of the psch;

a threshold value adjusting module (2212) configured to adjust the first PSSCH-RSRP threshold value according to a difference between the transmission power of the other transmission terminals and the transmission power of data to be transmitted by the terminal device, so as to obtain a second PSSCH-RSRP threshold value;

a measuring module (2213) for measuring the RSRP of the PSSCH scheduled by the PSCCH after the PSCCH of the other transmitting terminal is detected, and obtaining a first PSSCH-RSRP;

a first resource exclusion module (2214) configured to exclude resources occupied by the other transmitting terminals in the first set of resources when the first PSSCH-RSRP is greater than or equal to the second PSSCH-RSRP threshold value.

The terminal device of claim 16, wherein the selecting module (220) specifically comprises:

an initial measurement value acquisition module (2221) configured to measure a PSCCH scheduled by the PSCCH after detecting the PSCCH of the other transmitting terminals, to obtain a first psch-RSRP;

a measurement value adjusting module (2222) configured to adjust the first PSSCH-RSRP according to a difference between the transmission power of the other transmission terminals and the transmission power of data to be transmitted by the terminal device, so as to obtain a second PSSCH-RSRP;

an RSRP threshold acquisition module (2223) for determining a first PSSCH-RSRP threshold;

a second resource exclusion module (2224) configured to exclude resources occupied by the other transmitting terminals from the first set of resources when the second PSSCH-RSRP is greater than or equal to the first PSSCH-RSRP threshold value.

The terminal device according to any of claims 15 to 18, characterized in that the terminal device further comprises:

the RSRP threshold acquisition module (2223) is configured to determine the psch-RSRP threshold according to priority information carried in the PSCCH of the other terminal devices and priority information of data to be transmitted by the terminal device.

The terminal device according to any of claims 16 to 19, characterized by:

the selecting module (220) is further configured to determine the transmission power of the other terminal according to the first indication information carried in the PSCCH.

The resource selection method of claim 15, wherein the selection module (220) specifically comprises:

a PSCCH measurement value acquisition module (2232) for measuring a PSCCH-RSRP of the PSCCH after the PSCCH of the other transmitting terminal is detected;

a PSCCH threshold value acquisition module (2233) for determining an RSRP threshold value of the PSCCH;

a third resource exclusion module (2234) configured to exclude, in the first set of resources, resources occupied by the other transmitting terminals when the PSCCH-RSRP is greater than or equal to the PSCCH-RSRP threshold value.

The resource selection method of claim 21, wherein the PSCCH threshold acquisition module (2233) is specifically configured to determine the PSCCH-RSRP threshold according to priority information carried in the PSCCH of the other terminal devices and priority information of data to be transmitted by the terminal device.

The method for selecting a resource as claimed in claims 21 to 22, wherein the selecting module (220) further comprises:

a power control module (2231) for performing power control on the transmission power of the PSCCH in a broadcast manner.

The resource selection method of claims 20 to 23, wherein the selection module (220) further comprises:

a power control module (2231) for power controlling the transmission power of the PSSCH in a unicast or multicast manner.

The resource selection method of claim 15, wherein the interception module (210) specifically comprises:

a configuration information acquisition module (2141) for acquiring configuration information, wherein the configuration information is used for determining a corresponding relationship between a transmission power level and a resource pool;

and a resource obtaining module (2142) for obtaining the first resource set in a resource pool corresponding to the terminal equipment transmission power.

The terminal device of claim 25, wherein the selecting module (220) specifically includes:

an RSRP threshold value determination module (2241) for determining a PSSCH-RSRP threshold value;

an RSRP measurement module (2242) for measuring the RSRP of the PSSCH scheduled by the PSCCH after the PSCCH of the other sending terminal is detected, so as to obtain PSSCH-RSRP;

a fourth resource exclusion module (2243) configured to exclude, when the PSSCH-RSRP is greater than or equal to the PSSCH-RSRP threshold, resources occupied by the other transmitting terminals from the first resource set.

The terminal device according to any of claims 17, 18, 21 or 26, wherein the selecting module (220) further comprises:

a determining module (2251) for determining a first time interval;

a resource determining module (2252) configured to determine, by the terminal device, a transmission resource to be used for next transmission by the other terminal device according to the resource of the PSCCH and/or PSCCH and the first time interval;

an overlapping resource exclusion module (2253) configured to exclude a first resource from the first set of resources if the first resource belongs to the first set of resources and the first resource overlaps with a transmission resource used by the other terminal device for a next transmission.

The terminal device of claim 27, wherein the selecting module (220) is further configured to obtain the first time interval from the PSCCH of the other terminal device, and the PSCCH of the other terminal device carries the first time interval.

A terminal device, the terminal device comprising: a processor, a memory, characterized in that: an uplink control channel transmission program stored in the memory and operable on the processor, wherein the processor implements the resource selection method according to any one of claims 1 to 14 when executing the uplink control channel transmission program.

A computer-readable storage medium, wherein a resource selection program is stored on the computer-readable storage medium, and when executed by a processor, the resource selection program implements the resource selection method of any one of claims 1 to 14.