教師資料查詢 | 類別: 會議論文 | 教師: 石貴平 KUEI-PING SHIH (瀏覽個人網頁)

標題:A Fragmentation-Based Data Collision Free MAC Protocol with Power Control for Wireless Ad Hoc Networks
學年96
學期2
發表日期2008/03/31
作品名稱A Fragmentation-Based Data Collision Free MAC Protocol with Power Control for Wireless Ad Hoc Networks
作品名稱(其他語言)
著者Shih, Kuei-Ping; Chang, Chau-Chieh; Chen, Yen-Da
作品所屬單位淡江大學資訊工程學系
出版者IEEE
會議名稱2007 NCS 中華民國九十六年全國計算機會議大會=2007 National Computer Symposium
會議地點臺中, 臺灣
摘要Resolving hidden terminal problem is one of the major responsibilities in designing MAC protocols for wireless ad hoc networks. IEEE 802.11 DCF, currently the most popular used MAC protocol, adopts four-way handshake to prevent hidden terminal problem. However, it has been pointed out that four-way handshake cannot completely prevent hidden terminal problem because the STAs which are out of the transmission ranges of both the transmitter and the receiver may still interfere with the receiver. As a result, the paper proposes a fragmentationbased MAC protocol with power control, named F-RCRC MAC protocol, to avoid the LIRC (Large Interference Range Collision) problem, a kind of hidden terminal problem, for wireless ad hoc networks. F-RCRC designs a new interframe space, named FIFS, to reduce the overhead caused by the fragmentation scheme.With the fragmentation, the design of FIFS can effectively avoid the hidden STAs interfering with the receivers'receiving. Moreover, a dynamic transmission power scheme is devised to actively and timely warn the hidden STAs such that the possible collision is avoided. Thus, the LIRC problem can be solved and the network throughput is increased accordingly. In addition, F-RCRC can reduce the energy consumption and increase the spatial reuse due to the controlled transmission power. It is further shown that FRCRC can also solve the POINT problem and work correctly in multi-rate environments. Simulation results show that F-RCRC performs much better than the related work in terms of network throughput as well as the power throughput.
關鍵字Carrier-sensing range;Fragmentation;Hidden terminal problem;Interference range;MAC protocol;Wireless ad hoc network
語言英文
收錄於
會議性質國內
校內研討會地點
研討會時間20080331~20080331;20071220~20071221
通訊作者
國別中華民國
公開徵稿
出版型式紙本
出處2007 NCS 中華民國九十六年全國計算機會議大會論文集=Proceedings of 2007 National Computer Symposium12頁
相關連結
Google+ 推薦功能,讓全世界都能看到您的推薦!