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首页> 外文期刊>International journal of communication systems >Energy-aware geographic routing in wireless sensor networks with anchor nodes
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Energy-aware geographic routing in wireless sensor networks with anchor nodes

机译：具有锚点的无线传感器网络中的能源感知地理路由

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摘要

Energy efficiency has become an important design consideration in geographic routing protocols for wireless sensor networks because the sensor nodes are energy constrained and battery recharging is usually not feasible. However, numerous existing energy-aware geographic routing protocols are energy-inefficient when the detouring mode is involved in the routing. Furthermore, most of them rarely or at most implicitly take into account the energy efficiency in the advance. In this paper, we present a novel energy-aware geographic routing (EAGR) protocol that attempts to minimize the energy consumption for end-to-end data delivery. EAGR adaptively uses an existing geographic routing protocol to find an anchor list based on the projection distance of nodes for guiding packet forwarding. Each node holding the message utilizes geographic information, the characteristics of energy consumption, and the metric of advanced energy cost to make forwarding decisions, and dynamically adjusts its transmission power to just reach the selected node. Simulation results demonstrate that our scheme exhibits higher energy efficiency, smaller end-to-end delay, and better packet delivery ratio compared to other geographic routing protocols.
机译：能量效率已成为无线传感器网络的地理路由协议中的重要设计考虑因素，因为传感器节点受能量限制，并且电池充电通常不可行。但是，当绕行模式涉及到路由时，许多现有的能源感知地理路由协议都是能源效率低下的。此外，它们中的大多数很少或至多没有隐含地预先考虑到能源效率。在本文中，我们提出了一种新颖的能源感知地理路由（EAGR）协议，该协议试图最小化端到端数据传递的能耗。 EAGR自适应地使用现有的地理路由协议，根据节点的投影距离找到锚列表，以指导数据包转发。持有该消息的每个节点都利用地理信息，能耗特征以及先进能源成本的度量标准来制定转发决策，并动态调整其传输功率以使其到达所选节点。仿真结果表明，与其他地理路由协议相比，我们的方案具有更高的能效，更小的端到端延迟和更好的分组传递率。

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