CAJ | 학술논문

当前移动通信领域对于无线传感器网络的研究正在逐渐加深，时间同步技术是WSN应用中的支撑技术，是无线网络传感器网络研究中的重中之重。然而传统的同步方法NTP和GPS因为尺寸、代价、能量问题、复杂度等因素并不适用于传感器网络，而且传感器网络自身的体积与能量受限等特点给时间同步计算也增加了一定的难度，为了使无线传感器网络的应用潜力得到最大限度的发挥，对时间同步技术的研究就显得尤为必要。文章从无线传感器网络时间同步和相关问题入手，重点介绍了影响时间同步的关键因素、无线传感网络节点时间校正的几项基本技术以及具体的计算方法。
당전이동통신영역대우무선전감기망락적연구정재축점가심，시간동보기술시WSN응용중적지탱기술，시무선망락전감기망락연구중적중중지중。연이전통적동보방법NTP화GPS인위척촌、대개、능량문제、복잡도등인소병불괄용우전감기망락，이차전감기망락자신적체적여능량수한등특점급시간동보계산야증가료일정적난도，위료사무선전감기망락적응용잠력득도최대한도적발휘，대시간동보기술적연구취현득우위필요。문장종무선전감기망락시간동보화상관문제입수，중점개소료영향시간동보적관건인소、무선전감망락절점시간교정적궤항기본기술이급구체적계산방법。
The current research for wireless sensor network mobile communications sector is gradually deepened, time synchronization technology is WSN applications support technology, a wireless network sensor network research priority.However, the traditional method of synchronization NTP and GPS because the size, price, energy issues, the complexity of other factors are not suitable for sensor networks, sensor networks and their limited size and energy characteristics to calculate the time synchronization also adds a certain degree of difficulty, in order to make potential applications of wireless sensor networks to be maximized, the study of time synchronization technology is particularly necessary. Articles sync and related issues starting from the wireless sensor network time, focusing on the key factors affecting time synchronization, wireless sensor network nodes time correction of several basic techniques and speciifc method of calculation.