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首页> 外文会议>2012 Third International Conference on Computing Communication amp; Networking Technologies. >A traffic-load adaptive power-conserving MAC protocol for wireless sensor networks
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A traffic-load adaptive power-conserving MAC protocol for wireless sensor networks

机译：无线传感器网络的流量负载自适应节能MAC协议

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摘要

Wireless sensor networks are mainly designed for environment monitoring. The lifetime of wireless sensor networks depends on the durability of the battery resource sensors, so it is crucial for sensors to efficiently use their limited battery resources. The energy expends by sensors in data communication makes up a significant quantum of their total amount of energy consumption. In the existing research, most of the power-saving medium access control protocols reduce energy consumption by putting periodically sensors to sleep mode. Such a regular active/sleep schedule fails to adjust individual sensor sleep duration according to per-sensor communication traffic-load, which causes unnecessary idle-listening problem and low power-efficiency. In this paper, we present a new power-saving medium access control protocol for saving power in a wireless sensor networks. This proposed protocol dynamically adjusts the active/sleep time duration of each sensor according to per-sensor communication traffic-load. Meanwhile, it can lead to much greater power-efficiency by prolonging the sensors sleeping duration, when in a sensor network at per-sensor communication traffic-load is low. The basic idea of this proposed protocol is an analytical model for estimating the accurate per-sensor communication traffic-load in a wireless sensor network and a grid-based quorum concept for regular active/sleep schedule.
机译：无线传感器网络主要用于环境监控。无线传感器网络的寿命取决于电池资源传感器的耐用性，因此传感器有效使用其有限的电池资源至关重要。传感器在数据通信中所消耗的能量构成了其总能耗的重要部分。在现有研究中，大多数节能媒体访问控制协议都通过将传感器定期置于睡眠模式来降低能耗。这样的常规活动/睡眠时间表无法根据每个传感器的通信流量负载来调整各个传感器的睡眠持续时间，这导致不必要的空闲侦听问题和低功率效率。在本文中，我们提出了一种新的节能媒体访问控制协议，用于节省无线传感器网络中的功耗。该提议的协议根据每个传感器的通信流量负载动态调整每个传感器的活动/睡眠持续时间。同时，当在传感器网络中每个传感器的通信负载很低时，通过延长传感器的睡眠时间，它可以带来更高的功率效率。此提议协议的基本思想是一个用于估计无线传感器网络中准确的每个传感器通信流量负载的分析模型，以及用于常规活动/睡眠计划的基于网格的仲裁概念。

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