Matches in SemOpenAlex for { <https://semopenalex.org/work/W2108408866> ?p ?o ?g. }
Showing items 1 to 83 of
83
with 100 items per page.
- W2108408866 endingPage "496" @default.
- W2108408866 startingPage "486" @default.
- W2108408866 abstract "많은 기존 연구들에서 수중 환경에 적합한 시각 동기화를 제안하고 있으나 동기화의 정확도에 영향을 미치는 높은 채널접근지연이나 노드 간의 상대적 위치에 대한 고려가 없었다. 또한 양방향 메시지 교환 방식을 사용하는 기존 연구에서는 많은 수의 송수신 및 불필요한 오버히어링이 발생하여 네트워크 수명과 처리량이 감소하는 문제가 있다. 이에 본 연구에서는 수중환경의 특성을 반영한 향상된 시각 동기화 방법을 제안한다. 특히 제안 방법에서는 해수운동과 센서노드가 배치되는 환경의 특성을 활용한 메시지 전송 시점 조절 기법을 소개한다. 또한 채널접근지연이 제거된 타임스탬프를 사용하여 동기화의 정확도를 높인다. 더불어 전원공급 및 교체가 어려운 수중환경에 더욱 적합한 시각 동기화를 위해 제안 방법은 기존 방법보다 적은 수의 송수신으로 시각 동기화를 수행한다. 마지막으로 실험결과를 통해 제안 방법이 비교대상인 TSHL(Time Synchronization for High Latency)과 MU-Sync에 비해 각각 2.5ms, 0.56ms의 시각 동기화 오차를 줄이는 동시에 68.4%의 소비 에너지를 절감하였음을 보인다. Time synchronization in underwater environment is challenging due to high propagation delay and mobility of sensor nodes. Previous researches do not consider practical issues affecting on the accuracy of time synchronization such as high-channel access delay and relative position between sensor nodes. Also, those protocols using bidirectional message exchange shorten the network lifetime and decrease the network throughput because numerous transmission, reception and unnecessary overhearing can be occurred. Therefore, in our research, we suggest enhanced time synchronization based on features of underwater environment. It controls the instant of transmission by exploiting the feature of an oceanic movement and node deployment. Moreover, the protocol uses more accurate time information by removing channel access delay from the timestamp. The proposed scheme is also practical on the underwater sensor network requiring low-power consumption because the scheme conducts time-synchronization with smaller transmission and reception compared with previous works. Finally, simulation results show that the proposed protocol deceases time error by 2.5ms and 0.56ms compared with TSHL and MU-Sync respectively, reducing energy consumption by 68.4%." @default.
- W2108408866 created "2016-06-24" @default.
- W2108408866 creator A5031470972 @default.
- W2108408866 creator A5049195622 @default.
- W2108408866 creator A5072139527 @default.
- W2108408866 date "2013-05-31" @default.
- W2108408866 modified "2023-10-04" @default.
- W2108408866 title "Time Synchronization with Oceanic Movement Pattern in Underwater Wireless Networks" @default.
- W2108408866 cites W1592702716 @default.
- W2108408866 cites W1997804464 @default.
- W2108408866 cites W2038589335 @default.
- W2108408866 cites W2061920930 @default.
- W2108408866 cites W2091501005 @default.
- W2108408866 cites W2098888469 @default.
- W2108408866 cites W2128944826 @default.
- W2108408866 cites W2137814624 @default.
- W2108408866 cites W2149472588 @default.
- W2108408866 doi "https://doi.org/10.7840/kics.2013.38c.5.486" @default.
- W2108408866 hasPublicationYear "2013" @default.
- W2108408866 type Work @default.
- W2108408866 sameAs 2108408866 @default.
- W2108408866 citedByCount "2" @default.
- W2108408866 countsByYear W21084088662014 @default.
- W2108408866 crossrefType "journal-article" @default.
- W2108408866 hasAuthorship W2108408866A5031470972 @default.
- W2108408866 hasAuthorship W2108408866A5049195622 @default.
- W2108408866 hasAuthorship W2108408866A5072139527 @default.
- W2108408866 hasBestOaLocation W21084088661 @default.
- W2108408866 hasConcept C113954288 @default.
- W2108408866 hasConcept C119599485 @default.
- W2108408866 hasConcept C127162648 @default.
- W2108408866 hasConcept C127413603 @default.
- W2108408866 hasConcept C157764524 @default.
- W2108408866 hasConcept C24590314 @default.
- W2108408866 hasConcept C2778562939 @default.
- W2108408866 hasConcept C2780165032 @default.
- W2108408866 hasConcept C31258907 @default.
- W2108408866 hasConcept C3913047 @default.
- W2108408866 hasConcept C41008148 @default.
- W2108408866 hasConcept C555944384 @default.
- W2108408866 hasConcept C761482 @default.
- W2108408866 hasConcept C76155785 @default.
- W2108408866 hasConcept C79403827 @default.
- W2108408866 hasConcept C82876162 @default.
- W2108408866 hasConcept C90806461 @default.
- W2108408866 hasConceptScore W2108408866C113954288 @default.
- W2108408866 hasConceptScore W2108408866C119599485 @default.
- W2108408866 hasConceptScore W2108408866C127162648 @default.
- W2108408866 hasConceptScore W2108408866C127413603 @default.
- W2108408866 hasConceptScore W2108408866C157764524 @default.
- W2108408866 hasConceptScore W2108408866C24590314 @default.
- W2108408866 hasConceptScore W2108408866C2778562939 @default.
- W2108408866 hasConceptScore W2108408866C2780165032 @default.
- W2108408866 hasConceptScore W2108408866C31258907 @default.
- W2108408866 hasConceptScore W2108408866C3913047 @default.
- W2108408866 hasConceptScore W2108408866C41008148 @default.
- W2108408866 hasConceptScore W2108408866C555944384 @default.
- W2108408866 hasConceptScore W2108408866C761482 @default.
- W2108408866 hasConceptScore W2108408866C76155785 @default.
- W2108408866 hasConceptScore W2108408866C79403827 @default.
- W2108408866 hasConceptScore W2108408866C82876162 @default.
- W2108408866 hasConceptScore W2108408866C90806461 @default.
- W2108408866 hasIssue "5" @default.
- W2108408866 hasLocation W21084088661 @default.
- W2108408866 hasOpenAccess W2108408866 @default.
- W2108408866 hasPrimaryLocation W21084088661 @default.
- W2108408866 hasRelatedWork W1971075101 @default.
- W2108408866 hasRelatedWork W2046430934 @default.
- W2108408866 hasRelatedWork W2108408866 @default.
- W2108408866 hasRelatedWork W2129840061 @default.
- W2108408866 hasRelatedWork W2142078389 @default.
- W2108408866 hasRelatedWork W2165181733 @default.
- W2108408866 hasRelatedWork W2327144294 @default.
- W2108408866 hasRelatedWork W2377216019 @default.
- W2108408866 hasRelatedWork W2393782578 @default.
- W2108408866 hasRelatedWork W2184696433 @default.
- W2108408866 hasVolume "38C" @default.
- W2108408866 isParatext "false" @default.
- W2108408866 isRetracted "false" @default.
- W2108408866 magId "2108408866" @default.
- W2108408866 workType "article" @default.