{"title":"A 5.58nW 32.768kHz DLL-assisted XO for real-time clocks in wireless sensing applications","authors":"Dongmin Yoon, D. Sylvester, D. Blaauw","doi":"10.1109/ISSCC.2012.6177043","DOIUrl":null,"url":null,"abstract":"There is a growing interest in ultra-low-power wireless microsystems [1]. Synchronization between different nodes in a wireless sensor network plays an important role in the overall node energy budget due to the high power demand of wireless communication. One synchronization approach is to employ a realtime clock (RTC) on each node, with nodes awakening periodically to communicate and re-synchronize. With recent work on ultra-low-power microsystems demonstrating average power consumption of several nW [2], there is a need for ultra-low-power timers that can synchronize communication events and serve as frequency references for radios.","PeriodicalId":255282,"journal":{"name":"2012 IEEE International Solid-State Circuits Conference","volume":"49 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"43","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE International Solid-State Circuits Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSCC.2012.6177043","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 43
Abstract
There is a growing interest in ultra-low-power wireless microsystems [1]. Synchronization between different nodes in a wireless sensor network plays an important role in the overall node energy budget due to the high power demand of wireless communication. One synchronization approach is to employ a realtime clock (RTC) on each node, with nodes awakening periodically to communicate and re-synchronize. With recent work on ultra-low-power microsystems demonstrating average power consumption of several nW [2], there is a need for ultra-low-power timers that can synchronize communication events and serve as frequency references for radios.
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