【摘要】：隨著智能終端迅猛發(fā)展,多樣化的功能和友好的人機互動,手機這一具有代表性的智能終端的電池消耗迅速。尤其基于位置的服務這一方面,廣泛使用的GPS定位消耗巨大的能量,因此為了滿足人們多樣化的需求,節(jié)能定位的研究迫在眉睫。智能終端總體都配備有各種能耗低的內置傳感器,依靠這些傳感器信息和蜂窩信號強度等可以與WiFi指紋,航位推算或其他可行技術聯(lián)合以提高定位和跟蹤的能量效率。論文的主要工作有以下三點:1、為了將定位相關技術以合理適當?shù)姆绞郊傻焦?jié)能的位置服務應用中,我們系統(tǒng)全面地提出了節(jié)能定位方案設計中的三種技術原則:替代,適應和協(xié)作。此外,分別總結和比較了室內和室外的典型定位方案在這三種設計原則中的體現(xiàn),以及各種方案的特征和有待提高的部分。2、對于所處的不同環(huán)境,尤其是室內和室外的區(qū)分,所采用的節(jié)能定位的方案有很大的差別。如果能遵循適應具體環(huán)境的原則,繼而采取相應的定位方式,同樣可以達到顯著節(jié)約能量的目的。本文設計了一種多種技術融合的室內外檢測節(jié)能定位方案,融合了光,磁場和蜂窩信號檢測器的檢測結果,并適應性地調整閾值和權值,與非適應性方案相比提高了整體檢測的效率。3、為了證明提出的方法,本文在安卓設備上實現(xiàn)了該節(jié)能定位系統(tǒng),包括三個子檢測器的實現(xiàn)以及聯(lián)合檢測適應性方案實現(xiàn),并以此檢測結果進行合適的定位方式選擇。實驗表明單獨依靠某個子檢測的檢測準確率低于聯(lián)合檢測的準確率,這體現(xiàn)了聯(lián)合檢測的優(yōu)勢。同時,適應性檢測方案與原始方案相比提高了約10%的準確性�；谠撌覂韧鈾z測的GPS定位方式與GPS本身相比,增加了約44%的電池續(xù)航時間。
[Abstract]:With the rapid development of intelligent terminal, diversified functions and friendly man-machine interaction, the battery consumption of mobile phone, a representative intelligent terminal, is rapid. Especially in the aspect of location-based service, the widely used GPS positioning consumes a great deal of energy. Therefore, in order to meet the diverse needs of people, the research of energy-saving positioning is urgent. Intelligent terminals are equipped with a variety of low-energy built-in sensors, such as sensor information and cellular signal strength can be combined with WiFi fingerprints, dead reckoning or other feasible technologies to improve the energy efficiency of positioning and tracking. The main work of this paper is as follows: 1. In order to integrate the location-related technology into the energy-saving location service application in a reasonable and appropriate way, we systematically and comprehensively put forward three technical principles in the energy-saving positioning scheme design: substitution, Adaptation and collaboration. In addition, it summarizes and compares the embodiment of typical indoor and outdoor positioning schemes in these three design principles, as well as the characteristics of various schemes and the parts to be improved. 2, for the different environments in which they are located, In particular, the distinction between indoor and outdoor, the use of energy-saving positioning scheme has a great difference. If we can follow the principle of adapting to the specific environment, and then adopt the corresponding positioning method, we can also achieve the goal of remarkable energy saving. In this paper, an energy-saving localization scheme for indoor and outdoor detection is designed, which combines the detection results of light, magnetic field and cellular signal detectors, and adaptively adjusts the threshold and weight. Compared with the non-adaptive scheme, the overall detection efficiency is improved. 3. In order to prove the proposed method, this paper implements the energy-saving positioning system on Android devices, including the implementation of three sub-detectors and the implementation of the joint detection adaptability scheme. Based on the detection results, a suitable location method is selected. Experiments show that the detection accuracy of a single sub-detection is lower than that of joint detection, which shows the advantage of joint detection. At the same time, the accuracy of the adaptive detection scheme is improved by about 10% compared with the original scheme. The GPS location mode based on the indoor and outdoor detection increases the battery life by about 44% compared with the GPS itself.
【學位授予單位】：南京郵電大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TN929.5;TP212

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本文編號：2430494