基于相關(guān)性測(cè)序的TD-LTE分布式系統(tǒng)室內(nèi)定位算法

李玲霞; 郭可可; 田增山; 周牧

doi:10.11999/JEIT170655

基于相關(guān)性測(cè)序的TD-LTE分布式系統(tǒng)室內(nèi)定位算法

doi: 10.11999/JEIT170655

基金項(xiàng)目:

國家自然科學(xué)基金(61301126, 61471077)，長江學(xué)者和創(chuàng)新團(tuán)隊(duì)發(fā)展計(jì)劃(IRT1299)，重慶市科委重點(diǎn)實(shí)驗(yàn)室專項(xiàng)經(jīng)費(fèi)，重慶市基礎(chǔ)與前沿研究計(jì)劃項(xiàng)目(重點(diǎn))(cstc2015jcyjBX0065)，重慶市高校優(yōu)秀成果轉(zhuǎn)化資助項(xiàng)目(KJZH17117)，重慶郵電大學(xué)青年科學(xué)研究項(xiàng)目(A2013-31)

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出版歷程
- 收稿日期: 2017-07-05
- 修回日期: 2018-01-30
- 刊出日期: 2018-05-19

TD-LTE Distributed Antenna System Based Indoor Localization Algorithm with Correlation Sequence

Funds:

The National Natural Science Foundation of China (61301126, 61471077), The Program for Changjiang Scholars and Innovative Research Team in University (IRT1299), The Special Fund of CSTC Key Laboratory, The Fundamental and Frontier Research Project of Chongqing (Key Project) (cstc2015jcyjBX0065), The University Outstanding Achievement Transformation Project of Chongqing (KJZH17117), The Young Science Research Program of Chongging University of Posts and Telecommunications (A2013-31)

摘要

摘要: 在分時(shí)長期演進(jìn)(TD-LTE)室內(nèi)分布式網(wǎng)絡(luò)中，不同位置上的信號(hào)差異性不明顯，僅利用標(biāo)定參考點(diǎn)不能實(shí)現(xiàn)準(zhǔn)確位置估計(jì)。該文針對(duì)TD-LTE室內(nèi)分布式網(wǎng)絡(luò)下不同位置處的信號(hào)相似性問題，提出基于相關(guān)性測(cè)序的定位算法。首先，利用相鄰位置的信號(hào)信息構(gòu)建運(yùn)動(dòng)序列數(shù)據(jù)庫。其次，通過相關(guān)性測(cè)序算法，得到在線接收信號(hào)參考強(qiáng)度(RSRP)序列與運(yùn)動(dòng)序列間的匹配度，確定備選定位序列集。然后，計(jì)算備選定位序列與在線RSRP序列間的相關(guān)系數(shù)及平均歐氏距離。最后，根據(jù)匹配度、相關(guān)系數(shù)及平均歐氏距離，選取最優(yōu)備選定位序列，實(shí)現(xiàn)對(duì)目標(biāo)的位置估計(jì)。實(shí)驗(yàn)結(jié)果表明，該文所提定位算法有效提高了室內(nèi)分布式天線系統(tǒng)下的定位精度。
- 室內(nèi)定位 /
- 分時(shí)長期演進(jìn) /
- 分布式網(wǎng)絡(luò) /
- 相關(guān)性測(cè)序 /
- 運(yùn)動(dòng)序列數(shù)據(jù)庫
Abstract: In the Time Division Long Term Evolution (TD-LTE) indoor distributed network, the signal differences among different positions are insignificant, thus accurate localization can not be achieved by reference point calibration. To solve this compelling problem, this paper proposes a correlation sequencing based localization algorithm. Firstly, the signal information among adjacent positions is utilized to construct Reference Signal Receiving Power (RSRP) motion sequence database. Next, correlation sequencing algorithm is conducted to obtain relation between real-time RSRP sequence and the ones in constructed database, which results in a set of candidate sequence. After that, the correlation coefficient and mean Euclidean distance between candidate sequences and the online one are calculated. Finally, the optimal candidate sequence is selected by a voting strategy to estimate targets position. Experimental results show that the proposed localization algorithm can effectively improve the localization accuracy within indoor distributed antenna system.
- Indoor localization /
- Time Division Long Term Evolution (TD-LTE) /
- Distributed network /
- Correlation sequencing /
- Motion sequence database

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