Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 정정화 | - |
dc.date.accessioned | 2018-04-19T08:03:12Z | - |
dc.date.available | 2018-04-19T08:03:12Z | - |
dc.date.issued | 2012-03 | - |
dc.identifier.citation | IEEE Transactions on Wireless Communications, 2012, 11(4), P.1478-1487 | en_US |
dc.identifier.issn | 1536-1276 | - |
dc.identifier.uri | https://ieeexplore.ieee.org/document/6166334/ | - |
dc.identifier.uri | https://repository.hanyang.ac.kr/handle/20.500.11754/69507 | - |
dc.description.abstract | Herein, we propose and implement a subspace-based two-way ranging system for high resolution indoor ranging that is robust to frequency offset. Due to the frequency offset between wireless nodes, issues about sampling frequency offset (SFO) and carrier frequency offset (CFO) arise in range estimation. Although the problem of SFO is resolved by adopting the symmetric double-sided two-way ranging (SDS-TWR) protocol, the CFO of the received signals impacts the time-of-arrival (TOA) estimation, obtained by conventional subspace-based algorithms such as ESPRIT and MUSIC. Nevertheless, the CFO issue has not been considered with subspace-based TOA estimation algorithms. Our proposed subspace-based algorithm, developed for the robust TOA estimation to CFO, is based on the chirp spread spectrum (CSS) signals. Our subspace-based ranging system is implemented in FPGA with CSS modem using a hardware/software co-design methodology. Simulations and experimental results show that the proposed method can achieve robust ranging between the CSS nodes in an indoor environment with frequency offset. | en_US |
dc.description.sponsorship | This research was supported by the MKE (The Ministry of Knowledge Economy), Korea, under the ITRC (Information Technology Research Center) support program supervised by the NIPA (National IT Industry Promotion Agency) (NIPA-2012-C1090-1200-0010). The IDEC provide research facilities for this study.This work was supported by the IT R&D program of MKE/KEIT. [10035570, Development of self-powered smart sensor node platform for smart&green building]. | en_US |
dc.language.iso | en | en_US |
dc.publisher | IEEE | en_US |
dc.subject | Carrier frequency offset | en_US |
dc.subject | chirp spread spectrum | en_US |
dc.subject | sampling frequency offset | en_US |
dc.subject | subspace-based | en_US |
dc.subject | two-way ranging system | en_US |
dc.title | A Subspace-Based Two-Way Ranging System Using a Chirp Spread Spectrum Modem, Robust to Frequency Offset | en_US |
dc.type | Article | en_US |
dc.relation.no | 4 | - |
dc.relation.volume | 11 | - |
dc.identifier.doi | 10.1109/TWC.2012.030512.111044 | - |
dc.relation.page | 1478-1487 | - |
dc.relation.journal | IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | - |
dc.contributor.googleauthor | Oh, D. | - |
dc.contributor.googleauthor | Kwak, M. | - |
dc.contributor.googleauthor | Chong, J. W. | - |
dc.relation.code | 2012215269 | - |
dc.sector.campus | S | - |
dc.sector.daehak | COLLEGE OF ENGINEERING[S] | - |
dc.sector.department | DEPARTMENT OF ELECTRONIC ENGINEERING | - |
dc.identifier.pid | jchong | - |
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