In this paper,we propose a Multi-token Sector Antenna Neighbor Discovery(M-SAND)protocol to enhance the efficiency of neighbor discovery in asynchronous directional ad hoc networks.The central concept of our work invo...In this paper,we propose a Multi-token Sector Antenna Neighbor Discovery(M-SAND)protocol to enhance the efficiency of neighbor discovery in asynchronous directional ad hoc networks.The central concept of our work involves maintaining multiple tokens across the network.To prevent mutual interference among multi-token holders,we introduce the time and space non-interference theorems.Furthermore,we propose a master-slave strategy between tokens.When the master token holder(MTH)performs the neighbor discovery,it decides which 1-hop neighbor is the next MTH and which 2-hop neighbors can be the new slave token holders(STHs).Using this approach,the MTH and multiple STHs can simultaneously discover their neighbors without causing interference with each other.Building on this foundation,we provide a comprehensive procedure for the M-SAND protocol.We also conduct theoretical analyses on the maximum number of STHs and the lower bound of multi-token generation probability.Finally,simulation results demonstrate the time efficiency of the M-SAND protocol.When compared to the QSAND protocol,which uses only one token,the total neighbor discovery time is reduced by 28% when 6beams and 112 nodes are employed.展开更多
IPv6是互联网基础技术——互联网协议的最新版本,是全球公认的下一代互联网发展方向。从全球IPv6部署整体来看,IPv6支持率在过去十多年取得了显著增长,如图1所示。近几年来,IPv6部署速度有所放缓。Internet Society Pulse数据显示,截至2...IPv6是互联网基础技术——互联网协议的最新版本,是全球公认的下一代互联网发展方向。从全球IPv6部署整体来看,IPv6支持率在过去十多年取得了显著增长,如图1所示。近几年来,IPv6部署速度有所放缓。Internet Society Pulse数据显示,截至2024年3月,全球互联网IPv6支持率约为39%(数据为APNIC、Facebook和Google统计的平均值);全球排名前1000的网站中,IPv6支持率为48%。展开更多
基金supported in part by the National Natural Science Foundations of CHINA(Grant No.61771392,No.61771390,No.61871322 and No.61501373)Science and Technology on Avionics Integration Laboratory and the Aeronautical Science Foundation of China(Grant No.201955053002 and No.20185553035)。
文摘In this paper,we propose a Multi-token Sector Antenna Neighbor Discovery(M-SAND)protocol to enhance the efficiency of neighbor discovery in asynchronous directional ad hoc networks.The central concept of our work involves maintaining multiple tokens across the network.To prevent mutual interference among multi-token holders,we introduce the time and space non-interference theorems.Furthermore,we propose a master-slave strategy between tokens.When the master token holder(MTH)performs the neighbor discovery,it decides which 1-hop neighbor is the next MTH and which 2-hop neighbors can be the new slave token holders(STHs).Using this approach,the MTH and multiple STHs can simultaneously discover their neighbors without causing interference with each other.Building on this foundation,we provide a comprehensive procedure for the M-SAND protocol.We also conduct theoretical analyses on the maximum number of STHs and the lower bound of multi-token generation probability.Finally,simulation results demonstrate the time efficiency of the M-SAND protocol.When compared to the QSAND protocol,which uses only one token,the total neighbor discovery time is reduced by 28% when 6beams and 112 nodes are employed.
文摘IPv6是互联网基础技术——互联网协议的最新版本,是全球公认的下一代互联网发展方向。从全球IPv6部署整体来看,IPv6支持率在过去十多年取得了显著增长,如图1所示。近几年来,IPv6部署速度有所放缓。Internet Society Pulse数据显示,截至2024年3月,全球互联网IPv6支持率约为39%(数据为APNIC、Facebook和Google统计的平均值);全球排名前1000的网站中,IPv6支持率为48%。
