2023年12月10日,理想汽车正式发布OTA 5.0,并宣布计划于12月19日开启全量用户推送。通过智能驾驶(AD Max 3.0)、智能空间(SS3.0)和智能增程(REV 3.0)三大软件升级,OTA 5.0为理想L系列车型带来产品力全面进化,成为理想汽车史上最强OTA。...2023年12月10日,理想汽车正式发布OTA 5.0,并宣布计划于12月19日开启全量用户推送。通过智能驾驶(AD Max 3.0)、智能空间(SS3.0)和智能增程(REV 3.0)三大软件升级,OTA 5.0为理想L系列车型带来产品力全面进化,成为理想汽车史上最强OTA。智能驾驶平台方面,理想L系列的Max车型升级为AD Max 3.0,全场景智能驾驶(NOA)、全场景辅助驾驶(LCC)、智能泊车和主动安全能力全面升级。展开更多
为实现混动商用车巡航控制器软件及时更新和远程调试,并保障系统的安全性,设计开发一种基于用户数据报协议(user datagram protocol,UDP)的空中下载技术(over the air technology,OTA)升级系统。设计OTA系统的通信模块、握手模块、命令...为实现混动商用车巡航控制器软件及时更新和远程调试,并保障系统的安全性,设计开发一种基于用户数据报协议(user datagram protocol,UDP)的空中下载技术(over the air technology,OTA)升级系统。设计OTA系统的通信模块、握手模块、命令行调试模块、文件下载模块、备份升级模块和服务器端界面,并进行测试验证。结果表明:基于UDP协议的混动商用车巡航控制器OTA系统能够完成报文传输、通信加密、系统调试、软件包传输、软件升级及备份的功能,实现了软件升级的安全性、可靠性、便捷性。展开更多
In this article,novel emulation strategies for the sectored multiple probe anechoic chamber(SMPAC)are proposed to enable the reliable evaluation of the massive multiple-input multiple-output(MIMO)device operating at b...In this article,novel emulation strategies for the sectored multiple probe anechoic chamber(SMPAC)are proposed to enable the reliable evaluation of the massive multiple-input multiple-output(MIMO)device operating at beamforming mode,which requires a realistic non-stationary channel environment.For the dynamic propagation emulation,an efficient closed-form probe weighting strategy minimizing the power angular spectrum(PAS)emulation errors is derived,substantially reducing the associated computational complexity.On the other hand,a novel probe selection algorithm is proposed to reproduce a more accurate fading environment.Various standard channel models and setup configurations are comprehensively simulated to validate the capacity of the proposed methods.The simulation results show that more competent active probes are selected with the proposed method compared to the conventional algorithms.Furthermore,the derived closedform probe weighting strategy offers identical accuracy to that obtained with complicated numerical optimization.Moreover,a realistic dynamic channel measured in an indoor environment is reconstructed with the developed methodologies,and 95.6%PAS similarity can be achieved with 6 active probes.The satisfactory results demonstrate that the proposed algorithms are suitable for arbitrary channel emulation.展开更多
文摘2023年12月10日,理想汽车正式发布OTA 5.0,并宣布计划于12月19日开启全量用户推送。通过智能驾驶(AD Max 3.0)、智能空间(SS3.0)和智能增程(REV 3.0)三大软件升级,OTA 5.0为理想L系列车型带来产品力全面进化,成为理想汽车史上最强OTA。智能驾驶平台方面,理想L系列的Max车型升级为AD Max 3.0,全场景智能驾驶(NOA)、全场景辅助驾驶(LCC)、智能泊车和主动安全能力全面升级。
文摘为实现混动商用车巡航控制器软件及时更新和远程调试,并保障系统的安全性,设计开发一种基于用户数据报协议(user datagram protocol,UDP)的空中下载技术(over the air technology,OTA)升级系统。设计OTA系统的通信模块、握手模块、命令行调试模块、文件下载模块、备份升级模块和服务器端界面,并进行测试验证。结果表明:基于UDP协议的混动商用车巡航控制器OTA系统能够完成报文传输、通信加密、系统调试、软件包传输、软件升级及备份的功能,实现了软件升级的安全性、可靠性、便捷性。
基金supported by National Natural Science Foundation of China(No.62090015,No.61821001)BUPT Excellent Ph.D.Students Foundation under Grant(CX2021216)。
文摘In this article,novel emulation strategies for the sectored multiple probe anechoic chamber(SMPAC)are proposed to enable the reliable evaluation of the massive multiple-input multiple-output(MIMO)device operating at beamforming mode,which requires a realistic non-stationary channel environment.For the dynamic propagation emulation,an efficient closed-form probe weighting strategy minimizing the power angular spectrum(PAS)emulation errors is derived,substantially reducing the associated computational complexity.On the other hand,a novel probe selection algorithm is proposed to reproduce a more accurate fading environment.Various standard channel models and setup configurations are comprehensively simulated to validate the capacity of the proposed methods.The simulation results show that more competent active probes are selected with the proposed method compared to the conventional algorithms.Furthermore,the derived closedform probe weighting strategy offers identical accuracy to that obtained with complicated numerical optimization.Moreover,a realistic dynamic channel measured in an indoor environment is reconstructed with the developed methodologies,and 95.6%PAS similarity can be achieved with 6 active probes.The satisfactory results demonstrate that the proposed algorithms are suitable for arbitrary channel emulation.
