Greedy Geographic Routing in Large-Scale Sensor Networks: A Minimum Network Decomposition Approach
Greedy Geographic Routing in Large-Scale Sensor Networks: A Minimum Network Decomposition Approach
复制标题
大规模传感器网络中的贪婪地理路由:最小网络分解方法
DOI:
10.1109/tnet.2011.2167758
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发表时间:
2012-06
期刊:
影响因子:
--
通讯作者:
Anne-Marie Kermarrec
中科院分区:
文献类型:
--
作者:
Guang Tan;Anne-Marie Kermarrec
In geographic (or geometric) routing, messages are by default routed in a greedy manner: The current node always forwards a message to its neighbor node that is closest to the destination. Despite its simplicity and general efficiency, this strategy alone does not guarantee delivery due to the existence of local minima (or dead ends). Overcoming local minima requires nodes to maintain extra nonlocal state or to use auxiliary mechanisms. We study how to facilitate greedy forwarding by using a minimum amount of such nonlocal states in topologically complex networks. Specifically, we investigate the problem of decomposing a given network into a minimum number of greedily routable components (GRCs), where greedy routing is guaranteed to work. We approach it by considering an approximate version of the problem in a continuous domain, with a central concept called the greedily routable region (GRR). A full characterization of GRR is given concerning its geometric properties and routing capability. We then develop simple approximate algorithms for the problem. These results lead to a practical routing protocol that has a routing stretch below 7 in a continuous domain, and close to 1 in several realistic network settings.
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DOI:
10.1109/infcom.2009.5062091
发表时间:
2009-04
期刊:
IEEE INFOCOM 2009
影响因子:
--
作者:
Guang Tan;M. Bertier;Anne-Marie Kermarrec
通讯作者:
Guang Tan;M. Bertier;Anne-Marie Kermarrec
影响因子:
7.9
作者:
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通讯作者:
Noa Arad;Y. Shavitt
DOI:
10.1145/1161089.1161104
发表时间:
2006-09
期刊:
--
影响因子:
--
作者:
Yue Wang;Jie Gao;Joseph S. B. Mitchell
通讯作者:
Yue Wang;Jie Gao;Joseph S. B. Mitchell
DOI:
10.1007/bf01928918
发表时间:
1988-05
期刊:
Zeitschrift für Operations-Research
影响因子:
--
作者:
H. Alt;E. Welzl
通讯作者:
H. Alt;E. Welzl
DOI:
10.1137/0211025
发表时间:
1982-05
期刊:
SIAM J. Comput.
影响因子:
--
作者:
David Lichtenstein
通讯作者:
David Lichtenstein