naa a22 4500 51079470X CHVBK 20180411083332.0 cr unu---uuuuu 180411e20130401xx s 000 0 eng 10.1007/s11277-012-0625-3 doi (NATIONALLICENCE)springer-10.1007/s11277-012-0625-3 A Distributed Cooperative MAC Protocol for QoS Improvement and Mobility Support in WiMedia Networks [Elektronische Daten] [Jin-Woo Kim, Kyeong Hur, JangWoo Kwon] A Distributed Medium Access Control (D-MAC) protocol based on UWB for high-rate Wireless Personal Area Networks is specified by the WiMedia Alliance. D-MAC protocol is suitable for ubiquitous connection in home networks, military/medical applications due to its inexpensive cost, low power consumption, high data rate, and distributed approach. In contrast to IEEE 802.15.3, D-MAC makes all devices have the same functionality. And its networks are self-organized and provide devices with functions such as access to the medium, channel allocation to devices, data transmission, quality of service and synchronization in a distributed manner. D-MAC fundamentally removes the problems of the centralized MAC approach revealed at IEEE 802.15.3 MAC by adopting a distributed architecture. However, the current D-MAC can't prevent QoS degradations, occurred by mobile nodes with low data rate due to bad channel status, which cause critical problems in QoS provisioning to isochronous streams and mobile applications. Therefore, we propose a distributed cooperative MAC protocol for multi-hop WiMedia networks using virtual MIMO links. Based on instantaneous Channel State Information among WiMedia devices, our proposed protocol can intelligently select the transmission path with higher data rate to provide advanced QoS with minimum delay for real-time multimedia streaming services. Springer Science+Business Media, LLC., 2012 UWB nationallicence Cooperative MAC nationallicence Distributed MAC nationallicence WPAN nationallicence WiMedia nationallicence Home networks nationallicence UWB : Ultra Wide-Band nationallicence D-MAC : Distributed Medium Access Control nationallicence DRP : Distributed Reservation Protocol nationallicence WPAN : Wireless Personal Area Network nationallicence Kim Jin-Woo Research Institute of Information Science and Engineering, Mokpo National University, Dorim-ri, Cheonggye-myeon, Muan-gun, Jeollanam-do, 534-729, Mokpo, Korea aut Hur Kyeong Department of Computer Education, Gyeongin National University of Education, Gyesan-Dong San 59-12, 45 Gyodae-Gil, 407-753, Gyeyang-Gu, Incheon, Korea aut Kwon JangWoo Department of Computer and Information Engineering, INHA University, 100 Inha-ro, 402-751, Nam-gu, Incheon, Korea aut Wireless Personal Communications Springer US; http://www.springer-ny.com 69/4(2013-04-01), 1143-1164 0929-6212 69:4<1143 2013 69 11277 https://doi.org/10.1007/s11277-012-0625-3 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11277-012-0625-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Kim Jin-Woo Research Institute of Information Science and Engineering, Mokpo National University, Dorim-ri, Cheonggye-myeon, Muan-gun, Jeollanam-do, 534-729, Mokpo, Korea aut NATIONALLICENCE 700 1- Hur Kyeong Department of Computer Education, Gyeongin National University of Education, Gyesan-Dong San 59-12, 45 Gyodae-Gil, 407-753, Gyeyang-Gu, Incheon, Korea aut NATIONALLICENCE 700 1- Kwon JangWoo Department of Computer and Information Engineering, INHA University, 100 Inha-ro, 402-751, Nam-gu, Incheon, Korea aut NATIONALLICENCE 773 0- Wireless Personal Communications Springer US; http://www.springer-ny.com 69/4(2013-04-01), 1143-1164 0929-6212 69:4<1143 2013 69 11277 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer