Hierarchical Ring-Based Data Gathering for Dense Wireless Sensor Networks
Hierarchical Ring-Based Data Gathering for Dense Wireless Sensor Networks
复制标题
密集无线传感器网络的基于分层环的数据收集
DOI：
10.1007/s11277-010-0202-6
复制
发表时间：
2010
影响因子：
2.2
通讯作者：
C. Dow
中科院分区：
文献类型：
--
作者：
Kun;Shiow;Yi;Hsiao;C. Dow
数据采集是无线传感器网络中的一项基本操作。对于周期性的数据收集应用，每个传感器节点都有必须在一轮通信中发送到远程基站的数据。由于传感器节点的电池功率有限，每个传感器节点直接将其传感数据传输到基站会大大消耗其能量。提出了一种适用于密集无线传感器网络的基于分层环的数据收集方案。构建了层次化的网格结构，只选举部分传感器节点作为数据采集的网格头，从而降低了每轮的总能耗。然后将网格头部组织成分层环，以减少一轮的传输延迟。所提出的HRDG方案侧重于降低一轮数据收集的能量×延迟代价。此外，还分析了HRDG的能量×延迟代价。仿真结果表明，所提出的HRDG方案在轮数、能量×时延代价和覆盖率等方面均优于其他数据采集方案。
Data gathering is an essential operation in wireless sensor networks. For periodic data gathering applications, each sensor node has data that must be sent to a distant base station in a round of communication. Due to the limited battery power of sensor nodes, each sensor node transmitting its sensed data to the base station directly significantly consumes its energy. This work presents a hierarchical ring-based data gathering (HRDG) scheme for dense wireless sensor networks. A hierarchical grid structure is constructed, and only some sensor nodes are elected as grid heads for gathering data, subsequently reducing the total energy consumption per round. Grid heads are then organized into hierarchical rings to decrease the transmission delay of a round. The proposed HRDG scheme focuses on reducing the energy × delay cost in a round of data gathering. Moreover, the energy × delay cost of HRDG is analyzed. Simulation results indicate that the proposed HRDG scheme outperforms other data gathering schemes in terms of the number of rounds, the energy × delay cost and coverage ratio.
DOI：
10.1109/tpds.2002.1036066
发表时间：
2002-09-01
影响因子：
5.3
作者：
Lindsey, S;Raghavendra, C;Sivalingam, KM
通讯作者：
Sivalingam, KM