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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Wireless Synchronization System Based on the Alignment Principle</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/126946/wireless-synchronization-system-based-on-the-alignment-principle</link><description>nRF52832: Multi node wireless LED synchronization via proprietary radio (nRF5 SDK 12.3.0 on PCA10040) 
 Summary This post shares a simple proprietary radio demo that synchronizes LED blink patterns across three or more nRF52 DK boards. Any node can change</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Fri, 12 Jun 2026 04:21:54 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/126946/wireless-synchronization-system-based-on-the-alignment-principle" /><item><title>RE: Wireless Synchronization System Based on the Alignment Principle</title><link>https://devzone.nordicsemi.com/thread/567786?ContentTypeID=1</link><pubDate>Fri, 12 Jun 2026 04:21:54 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:8010e6ec-a5ce-4674-9e75-2f8e0d234ea3</guid><dc:creator>Shinya Sakaida</dc:creator><description>&lt;p&gt;The operating principle of this wireless synchronization system is explained below.&lt;/p&gt;
&lt;p&gt;&lt;br /&gt;This wireless synchronization system is based on a fully distributed mechanism in which each node periodically transmits a synchronization request signal, while all nodes perform reception at intervals that are integer multiples of the transmit period.&lt;/p&gt;
&lt;p&gt;Through this shared behavior, synchronization emerges naturally across all nodes without requiring any master node or explicit coordination.&lt;/p&gt;
&lt;p&gt;Since multiple nodes may transmit their synchronization signals at nearly the same time, signal collisions can occur. Nevertheless, the system remains robust by leveraging the **capture effect**.&lt;/p&gt;
&lt;p&gt;When multiple signals overlap, the receiver locks onto a single signal that arrives slightly earlier or exhibits a relatively stronger signal strength. Once locked, the receiver continues to demodulate that signal preferentially, while other overlapping signals are effectively suppressed.&lt;/p&gt;
&lt;p&gt;This enables reliable synchronization even under collision conditions.&lt;/p&gt;
&lt;p&gt;This system follows a fundamental concept in which the collective execution of identical synchronization behavior results in spontaneous alignment across the network. We refer to this as the **&amp;ldquo;alignment principle.&amp;rdquo;**&lt;/p&gt;
&lt;p&gt;In this context, the capture effect acts as a key physical-layer mechanism that suppresses mutual interference and contributes to the stability and scalability of the overall system.&lt;/p&gt;
&lt;p&gt;2026/6/12&lt;br /&gt;Shinya Sakaida&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Wireless Synchronization System Based on the Alignment Principle</title><link>https://devzone.nordicsemi.com/thread/560797?ContentTypeID=1</link><pubDate>Tue, 10 Feb 2026 13:19:46 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:dd82e3f8-0c86-4636-bbb5-b4762c589806</guid><dc:creator>Sigurd</dc:creator><description>&lt;p&gt;Thanks for sharing&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>