V2EX cross-layer design

Cross-layer design

释义 Definition

跨层设计:在(尤其是网络/无线通信)系统中,打破传统分层协议(如OSI/TCP-IP各层相对独立)的严格边界,让不同层之间共享信息并协同优化,以提升吞吐量、时延、能耗或可靠性等整体性能。(也常译为“跨层优化”)

发音 Pronunciation (IPA)

/krsle. dzan/

例句 Examples

Cross-layer design can improve performance in wireless networks.
跨层设计可以提升无线网络的性能。

Instead of optimizing each layer separately, the team adopted a cross-layer design that uses channel conditions to adjust routing and retransmission strategies.
团队没有分别优化各层,而是采用跨层设计:利用信道状况来调整路由与重传策略。

词源 Etymology

cross- 表示“跨越、交叉”,layer 指“层(协议层)”,合起来 cross-layer 指“跨越层与层之间的”。该术语在网络与无线通信研究中流行起来,用来描述信息在不同协议层之间共享、从而进行端到端联合优化的设计思路。

相关词 Related Words

文学与著作 Literary & Notable Works

  • Cross-Layer Design in Wireless Networks(Srivastava & Motani,IEEE Communications Magazine,2005)
  • Wireless Communications(Andrea Goldsmith)中关于跨层思想/联合优化的讨论
  • Wireless Communications and Networks(William Stallings)等无线网络教材中对跨层设计(或跨层优化)概念的介绍
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