Implementing any innovation successfully is a challenge. In addition to commonly reported climate and values‐fit constructs, this study proposes that communication behaviors (i.e., monitoring, challenging, managing, and negotiating) are also vital for innovation implementation. Via an in‐depth literature review, the study first defines these metrics. Second, a content analysis of an integrated project delivery (IPD) case study report enables the study to explore if these communication behaviors exist in inter‐organizational architecture, engineering, and construction (AEC) project teams. Results provide four key communication metrics for innovation implementation, supported by evidence and examples that illustrate these metrics in AEC teams implementing IPD as an innovation.

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Abstract. Spread spectrum technology is a new technology to make full use of limited spectrum resources and improve the efficiency of wireless information transmission. This paper introduces the working principle and system model of spread spectrum communication, and elaborates two main technologies of spread spectrum communication: Direct Sequence Spread Spectrum And frequency hopping spread spectrum, explain its working principle, and compare the performance of the two. In addition, the combination of spread spectrum and digital watermarking technology is introduced, and digital watermarking technology with spread spectrum is very robust and safe.