## 对比文件名称
2018-02-14_EP3282618A_发明公开_EP3282618A1 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
## 本次模型名称
Anthropic Claude (2025-06)
## 特征比对表格
| 技术特征 | 对比文件原文引用 | 公开性论述 |
| **A**：《直接公开》 | [0113]："a resource sensing procedure is continuously performed by the transmitting device so as to acquire information about future radio resources...monitoring 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"<br>[0107]："Energy-based sensing can be understood as a process where UE measures received signal energy on PSSCH radio resources and/or PSCCH radio resources" | 对比文件[0113]段明确公开了"感测程序"持续执行以获取关于未来无线资源的信息，并监测由其他设备发送的调度分配以预留资源，这些预留资源可以被排除出资源选择。[0107]段公开了能量感测方法，UE测量接收信号能量。目标专利的排除参数用于排除预留资源，对比文件的感测程序实质上执行相同功能。本领域技术人员能毫无疑义地从对比文件得出与该技术特征相同的技术方案。 |
| **B**：《直接公开》 | [0120]："The processor, after data becomes available for transmission, performs an autonomous radio resource allocation to select time-frequency radio resources within a transmission window to be used for performing a first transmission of the data, based on the information acquired by the resource sensing procedure during a sensing window before the data became available for transmission" | 对比文件[0120]段明确公开了处理器在数据可用于传输后，基于感测窗口期间获取的信息在传输窗口中选择时频无线资源用于执行首次数据传输。该技术特征与目标专利的"基于排除参数在第一CW中选择用于初始传输的通信资源"功能相同。 |
| **C**：《直接公开》 | [0120]："A transmitter of the transmitting device performs the first data transmission using the selected time-frequency radio resources" | 对比文件[0120]段明确公开了发射器使用所选的时频无线资源执行首次数据传输。该技术特征与目标专利的"使用第一CW中选择的通信资源传送数据分组"功能相同。 |
| **D**：《直接公开》 | [0120]："performs the one or more data retransmissions at the transmission timing defined by the determined data transmission timing pattern with respect to the first data transmission" | 对比文件[0120]段明确公开了在首次传输之后基于确定的数据传输时序模式执行一次或多次数据重传。虽然未明确使用"竞争窗口"术语，但实质上在首次传输后的传输窗口中选择重传资源。 |
| **E**：《隐含公开》 | [0148]："it is possible to measure the energy (e.g. received signal strength) across the whole sensing window for related radio resource candidates"<br>[0134]："ranking the various radio resource candidates based on the energy measurements performed during the sensing procedure" | 对比文件公开了能量测量和资源候选排序的概念，隐含了存在调整参数（能量阈值）的机制。但未明确公开"初始化排除参数和缩放值"的具体步骤。 |
| **F**：《隐含公开》 | [0134]："radio resource candidates are ranked from 1 to 4...based on the energy measurements" | 对比文件隐含公开了基于测量结果（能量测量）对资源候选进行排序和处理的机制，类似于基于缩放值设置参数的概念。 |
| **G**：《隐含公开》 | [0133]："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"<br>[0148]："a map of all frequency resources for subframes P to L (may be termed a transmission window)" | 对比文件公开了感测窗口的概念和感测结果在资源分配中的应用，但未明确公开"确定回溯窗口中空闲资源比率"的具体计算方法。 |
| **H**：《隐含公开》 | [0174]："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" | 对比文件隐含公开了基于感测结果调整资源选择的概念，但未明确公开基于空闲资源比率调整缩放值的具体机制。 |
| **I**：《隐含公开》 | [0108]："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, although it was not agreed how the priority is effectively used" | 对比文件提到了优先级概念在资源分配中的使用，但未明确公开为各优先级级别确定多个排除参数集合的技术方案。 |
| **J**：《隐含公开》 | [0105]："The UE would indicate within the PSCCH (SA/SCI) that it has data on a selected set of periodically occurring resources...This resource reservation information...can be used by other UEs which are intending to transmit a V2X message for the selection of a resource" | 对比文件隐含公开了优先级可能影响资源预留的使用，但未明确公开高优先级排除比低优先级排除更少通信资源的配置关系。 |
| **K**：《隐含公开》 | [0135]："In order to also determine how to perform the retransmissions of the data, the transmitting device shall determine a suitable data transmission timing pattern" | 对比文件隐含公开了确定传输时序模式的概念，但未明确公开在初始传输前监视覆盖初始传输的通信设备传输的资源预留。 |
| **L**：《隐含公开》 | [0134]："radio resource candidates are ranked from 1 to 4...based on the energy measurements" | 对比文件隐含公开了基于能量测量排除资源的概念，但未明确公开基于UE与通信设备之间距离的排除参数。 |
| **M**：《直接公开》 | [0107]："Energy-based sensing can be understood as a process where UE measures received signal energy on PSSCH radio resources and/or PSCCH radio resources. Energy-based sensing essentially may be helpful to identify near versus far interferers"<br>[0134]："ranking the various radio resource candidates based on the energy measurements" | 对比文件[0107]段明确公开了能量感测过程，测量接收信号能量以识别近处和远处干扰源。[0134]段公开了基于能量测量对资源候选进行排序。目标专利的"信号功率参数"基于通信设备信号功率排除资源，对比文件的能量测量实质上执行相同功能。 |
| **N**：《直接公开》 | [0134]："radio resource candidates are ranked from 1 to 4 as illustrated in Fig. 9 based on the energy measurements...radio resource candidates...that are available for the vehicular UE to transmit the data" | 对比文件[0134]段明确公开了基于能量测量识别可用资源候选并排除已预留资源。目标专利"从未被距离参数或信号功率参数排除的可用资源中选择通信资源"与该功能实质相同。 |
| **O**：《隐含公开》 | [0157]："the UE-autonomous radio resource allocation can exclude reserved radio resources from the selection, so as to avoid interference" | 对比文件隐含公开了排除预留资源以避免干扰的概念，但未明确公开"确定没有通信资源可用于初始传输"的具体判断机制。 |
| **P**：《隐含公开》 | [0174]："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" | 对比文件隐含公开了基于感测结果优化资源选择的机制，类似于调整参数以增加可用资源的概念。 |
| **Q**：《隐含公开》 | [0134]："radio resource candidates...that are available for the vehicular UE to transmit the data" | 对比文件隐含公开了可用资源候选的概念，可能包括为较低优先级传输预留的资源，但未明确说明。 |
| **R**：《隐含公开》 | [0157]："the UE-autonomous radio resource allocation" | 对比文件隐含公开了UE自主资源分配的概念，但未明确公开从后续竞争窗口中选择资源的具体机制。 |
| **S**：《直接公开》 | [0134]："radio resource candidates...that are available for the vehicular UE to transmit the data" | 对比文件[0134]段公开了可用资源候选的概念，与目标专利"从未被排除参数排除的可用资源中选择通信资源"功能相同。 |
| **T**：《直接公开》 | [0134]："radio resource candidates...are ranked from 1 to 4" | 对比文件[0134]段明确公开了对资源候选进行排序（ranked from 1 to 4）。目标专利"将可用资源排序为多个资源预留等级"与该技术特征实质相同。 |
| **U**：《隐含公开》 | [0174]："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" | 对比文件隐含公开了基于感测结果选择最优组合的概念，类似于从最高等级开始选择的机制。 |
| **V**：《直接公开》 | [0106]："'candidate (or available) resources'. These are the resources on which the UE may/can perform a transmission" | 对比文件[0106]段明确公开了"可用资源"的概念，对应目标专利的第一等级（与空闲通信资源相关联）。 |
| **W**：《隐含公开》 | [0157]："the UE-autonomous radio resource allocation can exclude reserved radio resources from the selection" | 对比文件隐含公开了排除已预留资源的概念，隐含了存在被预留但可用的资源状态。 |
| **X**：《隐含公开》 | [0134]："radio resource candidates...are ranked from 1 to 4" | 对比文件隐含公开了资源候选根据某些标准（如能量测量）进行排序，可能包括相同优先级的预留资源。 |
| **Y**：《隐含公开》 | [0157]："the UE-autonomous radio resource allocation" | 对比文件隐含公开了UE自主选择资源的概念，但未明确公开"选择最早可用资源"或"随机选择"的具体策略。 |
| **Z**：《隐含公开》 | [0174]："the vehicular UE shall select that combination of T-RPT and data retransmission candidate(s)" | 对比文件隐含公开了选择重传资源的概念，但未明确公开最早或随机选择的具体策略。 |
## 总结分析
对比文件EP3282618A1主要公开了V2X通信中通过侧链路接口进行初始传输和重传的改进方法，核心方案包括：
1. 资源感测程序持续监测预留资源和能量测量
2. 基于感测结果为首次传输选择最优资源
3. 使用数据传输时序模式（T-RPT）协调重传
4. 对资源候选基于能量测量进行排序
对比文件直接公开了技术特征A、B、C、D、M、N、S、T、V，这些技术特征与目标专利的核心技术方案实质相同或等同。
然而，对比文件未明确公开以下技术特征：
- 排除参数的初始化和缩放值（E、F）
- 回溯窗口中空闲资源比率的概念（G、H）
- 多优先级级别的排除参数集合及其配置关系（I、J）
- 传输前监视覆盖的机制（K）
- 距离参数的具体排除机制（L）
- 各种替代资源选择策略（P、Q、R、U、W、X）
- 最早或随机选择的策略（Y、Z）
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