**对比文件名称：** 2018-02-15_CA3031713A_发明专利_CA3031713A1 IMPROVED INITIAL AND RETRANSMISSIONS OF DATA FOR V2X TRANSMISSIONS
**目标专利名称：** 484侧链路通信中的通信资源选择CN114270950B
**模型名称：** 因果碰撞分析模型
---
## 特征比对表格
| 技术特征描述 | 对比文件原文引用 | 公开性论述 |
| **技术特征A**：包括：确定排除参数，用于排除用于在侧链路信道上传送数据分组的通信资源 | "the resource sensing procedure...monitor scheduling assignments transmitted by other devices that reserve radio resources at a later point(s) in time, which can then be excluded from the radio resource selection" (第24页) | 对比文件公开了通过资源感知程序监视其他设备的调度分配来确定预留资源，然后从资源选择中排除这些预留资源。这与目标专利中"确定排除参数，用于排除通信资源"的技术特征实质相同。 |
| **技术特征B**：基于排除参数，在第一竞争窗口CW中选择用于数据分组的初始传输的通信资源 | "After data becomes available for transmission, the UE shall perform the UE-autonomous radio resource allocation procedure in order to obtain the necessary transmission parameters, including the selection of time-frequency radio resources within a transmission window so as to perform a first transmission of the pending data. The resource allocation procedure shall take the results obtained by the sensing procedure during a sensing window before the data arrival fully into account when determining the radio resources to be used for the initial transmission of the data." (第36页) | 对比文件公开了在传输窗口中基于感知结果选择初始传输的资源，这与目标专利的"基于排除参数在第一CW中选择初始传输资源"实质相同。 |
| **技术特征C**：使用第一CW中选择的用于初始传输的通信资源，来传送数据分组 | "Correspondingly, the vehicular UE will perform the first data transmission according to the selected time-frequency radio resources" (第38页) | 对比文件明确公开了使用选择的资源执行第一次数据传输。 |
| **技术特征D**：基于排除参数，在第一CW之后的第二CW中选择用于数据分组的重传的通信资源 | "the vehicular UE shall select a suitable data transmission timing pattern (such as the T-RPT known from the background section) which defines a timing pattern of one or more data transmissions" (第37页)；"a preferred retransmission candidate is found in subframe 26...one of the data retransmissions performed by the vehicular UE shall take place at subframe 26 on the frequencies as selected during the resource allocation procedure based on the sensing results" (第41页) | 对比文件公开了在初始传输之后选择重传资源，这与目标专利的"基于排除参数在第二CW中选择重传资源"实质相同。 |
| **技术特征E**：和使用第二CW中选择的用于重传的通信资源，来传送数据分组，其中确定所述排除参数包括：初始化所述排除参数和与所述排除参数中的每一个相对应的缩放值 | "a preferred retransmission candidate is found...one of the data retransmissions performed by the vehicular UE shall take place at subframe 26" (第41页)；关于排除参数的初始化和缩放值未在对比文件中直接找到对应内容 | 对比文件公开了使用选择的资源进行重传，但关于"初始化排除参数和缩放值"的具体内容未直接公开。 |
| **技术特征F**：基于对应的缩放值来设置所述排除参数 | 未找到直接对应内容 | 对比文件未直接公开此特征。 |
| **技术特征G**：确定在所述第一CW之前的多个回溯窗口中用于所述排除参数的空闲资源的比率，其中所述回溯窗口是在所述第一CW之前的预配置时间段 | "one information obtained from the sensing procedure is that particular radio resources in the transmission window are already reserved by other devices and should thus not be used by the vehicular UE; the corresponding boxes for reserved radio resources are striped vertically. The radio resource candidates...that are available for the vehicular UE to transmit the data are illustrated as framed in Fig. 9" (第31页)；"the results of the sensing procedure obtained within a sensing window of e.g. 1000ms before the packet arrival shall be considered for the radio resource allocation procedure" (第31页) | 对比文件公开了在传输窗口之前的感知窗口中确定可用资源，这与目标专利的"确定在回溯窗口中空闲资源比率"实质相关。 |
| **技术特征H**：确定所述多个回溯窗口中的所述空闲资源的比率大于空闲阈值的回溯窗口的一部分，并且如果所述空闲资源的所述一部分小于预定阈值，则调整与所述排除参数中的每一个相对应的所述缩放值。 | 未找到直接对应内容 | 对比文件未直接公开根据空闲资源比率阈值调整缩放值的具体机制。 |
| **技术特征I**：其中确定所述排除参数包括：针对侧链路通信的各个优先级级别确定多个排除参数集合。 | "It was discussed whether the priority of the data (or corresponding radio resource reservation) is indicated in the scheduling assignment (SCI) such that it may be used in the resource allocation procedure" (第24页) | 对比文件提到数据的优先级可能用于资源分配程序，暗示了优先级概念，但未明确公开为不同优先级级别确定多个排除参数集合。 |
| **技术特征J**：其中所述多个排除参数集合包括：与侧链路通信的第一优先级级别相关联的第一排除参数集合、和与高于所述第一优先级级别的侧链路通信的第二优先级级别相关联的第二排除参数集合，和其中所述第二排除参数集合被配置为排除比所述第一排除参数集合所排除的通信资源更少的用于侧链路通信的通信资源。 | 未找到直接对应内容 | 对比文件未明确公开不同优先级级别对应的排除参数集合及其关系。 |
| **技术特征K**：还包括：在所述初始传输之前，监视覆盖所述初始传输的通信设备的传输的资源预留。 | "The vehicular UE shall further continuously perform the radio sensing procedure as explained in the background section so as to acquire information about future radio resources. This information can then be used during a Mode-2 radio resource allocation procedure performed by the vehicular UE to select radio resources...The sensing procedure includes e.g. decoding the scheduling assignments transmitted by other devices so as to identify reserved radio resources." (第34页) | 对比文件明确公开了在传输前通过感知程序监视其他设备的资源预留。 |
| **技术特征L**：其中所述排除参数包括以下至少一项：距离参数，被配置为基于UE与通信设备之间的距离，排除所述通信设备所预留的通信资源 | "energy-based sensing essentially may be helpful to identify near versus far interferers" (第24页)；未找到明确的距离参数定义 | 对比文件提到区分远/近干扰源，暗示了距离概念但未明确公开"距离参数"的具体定义。 |
| **技术特征M**：者信号功率参数，被配置为基于所述通信设备的信号功率，排除所述通信设备所预留的通信资源。 | "Optionally, the sensing procedure further comprises energy measurements (e.g. the received signal strength, RSSI) throughout the frequency resources" (第34页)；"the autonomous radio resource allocation comprises excluding the radio resources reserved by other transmitting devices" (第44页) | 对比文件公开了能量测量（RSSI），并将其用于排除预留资源，这与信号功率参数实质相同。 |
| **技术特征N**：其中选择用于所述初始传输的所述通信资源包括：从未被距离参数或信号功率参数中的至少一个排除的可用资源中选择通信资源。 | "reserved radio resources should be avoided, and a best radio resource candidate can be selected among various candidates that are ranked based on energy measurements performed during the sensing window" (第36页) | 对比文件公开了从未被预留（排除）的资源中选择最佳资源候选。 |
| **技术特征O**：其中选择用于所述初始传输的所述通信资源包括：基于距离参数或信号功率参数中的至少一个，确定没有通信资源可用于所述初始传输 | 未找到直接对应内容 | 对比文件未直接公开确定没有可用资源的情况。 |
| **技术特征P**：和以下至少一个：调整距离参数或信号功率参数中的至少一个，以增加可用于初始传输的通信资源量 | 未找到直接对应内容 | 对比文件未直接公开调整参数以增加可用资源量的机制。 |
| **技术特征Q**：选择为优先级级别低于初始传输的传输预留的通信资源 | 未找到直接对应内容 | 对比文件未明确公开选择优先级较低的资源。 |
| **技术特征R**：者从第一CW之后的后续CW中的可用资源中选择用于初始传输的通信资源。 | "a data transmission timing pattern is selected by the vehicular UE that comprises only one transmission...This one-transmission T-RPT is however then repeated throughout the remaining transmission window after the first transmission" (第39页) | 对比文件公开了在初始传输之后的传输窗口中选择资源的机制。 |
| **技术特征S**：其中选择用于所述重传的所述通信资源包括：从未被所述距离参数或所述信号功率参数中的至少一个排除的可用资源中选择通信资源。 | "reserved radio resources should be avoided" (第36页)；"the same physical resource blocks that are reserved in one subframe can be available in another subframe, such that the vehicular UE shall reduce the interference with transmissions from other UEs by appropriately selecting the T-RPT based on the sensed information" (第39页) | 对比文件公开了在重传时避免使用预留资源，这与选择未被排除的资源实质相同。 |
| **技术特征T**：其中选择用于所述重传的所述通信资源包括：将所述可用资源排序为范围从最高等级到最低等级的多个资源预留等级 | "the various radio resource candidates are ranked from 1 to 4 as illustrated in Fig. 9 based on the energy measurements" (第31页)；"the vehicular UE shall select that combination of T-RPT and data retransmission candidate(s) that would yield e.g. the least interference according to the predictions obtained from the sensing procedure" (第42页) | 对比文件明确公开了对资源候选进行排序，基于能量测量从最高等级开始选择。 |
| **技术特征U**：和从所述最高等级开始选择通信资源。 | "the vehicular UE shall select that combination of T-RPT and data retransmission candidate(s) that would yield e.g. the least interference according to the predictions obtained from the sensing procedure" (第42页)；"a best radio resource candidate can be selected among various candidates that are ranked based on energy measurements" (第36页) | 对比文件明确公开了从排序最高的资源候选中选择。 |
| **技术特征V**：其中所述多个资源预留等级包括：第一等级，与空闲通信资源相关联 | "radio resource candidates...that are available for the vehicular UE to transmit the data" (第31页)；"Available (i.e., not reserved) resources" | 对比文件隐含公开了空闲资源的概念。 |
| **技术特征W**：第二等级，与为优先级低于重传的传输预留的通信资源相关联 | "the plurality of data transmission timing patterns indicates a different number of data transmissions. The processor determines one data transmission timing pattern among data transmission timing patterns corresponding to a total number of transmissions to be performed for the data" (第43页) | 对比文件公开了不同优先级的传输模式，但未明确公开第二等级的定义。 |
| **技术特征X**：和第三等级，与通信设备为具有相同重传优先级的传输预留的通信资源相关联。 | 未找到直接对应内容 | 对比文件未明确公开第三等级的定义。 |
| **技术特征Y**：其中选择用于所述初始传输的所述通信资源包括：在第一CW中选择最早可用的通信资源 | "the vehicular UE determines time-frequency radio resources in subframe 12 to be optimal for the first data transmission" (第38页)；"the vehicular UE performs for a single transport block four transmissions, i.e. a first transmission as well as three retransmissions" | 对比文件公开了在传输窗口中选择特定子帧的资源，但未明确说明选择"最早可用"的资源。 |
| **技术特征Z**：者在第一CW中随机选择可用的通信资源。 | "the vehicular UE may randomly determine the T-RPT (having the necessary number of (re)transmissions) among all those T-RPTs having said necessary number of (re)transmissions" (第39页) | 对比文件公开了随机选择T-RPT模式，但未明确说明随机选择通信资源。 |
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## 直接公开判断
经过严谨分析，对比文件CA3031713A1直接公开了以下技术特征：
**技术特征A、B、C、D**：对比文件在第24页、第36-38页明确公开了资源感知程序排除预留资源、基于感知结果选择初始传输和重传资源、传输数据等步骤，与目标专利的技术特征A、B、C、D实质相同。
**技术特征K**：对比文件在第34页明确公开了在初始传输前监视其他设备资源预留的感知程序。
**技术特征M、N、S、T、U**：对比文件在第31-42页公开了能量测量(RSSI)作为信号功率参数、排除预留资源、基于能量测量对资源候选排序并从最高等级选择等特征。
---
## 隐含公开判断
以下技术特征被对比文件隐含公开：
**技术特征G**：对比文件在第31页公开了"在数据到达之前的感知窗口中获取的感知程序结果应被考虑用于无线电资源分配程序"，隐含公开了回溯窗口中确定空闲资源的方法。
**技术特征L**：对比文件在第24页提到"energy-based sensing essentially may be helpful to identify near versus far interferers"，隐含公开了距离概念。
**技术特征R**：对比文件在第39页公开了在初始传输之后的传输窗口中选择资源的机制。
**技术特征V**：对比文件在第31页提到"available radio resources"，隐含公开了空闲通信资源的概念。
**技术特征Y、Z**：对比文件在第38-39页公开了在传输窗口中选择特定子帧资源或随机选择T-RPT的模式，隐含公开了选择最早可用或随机选择的机制。
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