... The Impact of Signal Bandwidth on Indoor Wireless Systems in Dense Multipath Environments Daniel J Hibbard Abstract Recently there has been a significant amount of interest in the area of ... wavefront in the direction of propagation [3] as shown in Figure 2.1 Consideration of wavelets originating from all points on XX’ leads to an expression for...
Ngày tải lên: 20/11/2012, 11:36
... machines Contem Math, 443: 7–19 (2007) doi:10.1186/1687-1499-2011-81 Cite this article as: Oussar et al.: Indoor localization based on cellular telephony RSSI fingerprints containing very large numbers ... impressive than on the home set Conclusion We have presented a new approach to indoor localization, founded upon the inclusion of very large numbers of...
Ngày tải lên: 21/06/2014, 00:20
báo cáo hóa học:" Bayesian filtering for indoor localization and tracking in wireless sensor networks" doc
... Mahonen, Combining Particle Filtering with Cricket System for Indoor Localization and Tracking Services Personal, Indoor and Mobile Radio Communications, 2007, in PIMRC 2007 IEEE 18th International ... Bayesian filtering for indoor localization and tracking in wireless sensor networks Anup Dhital1,2 , Pau Closas∗3 and Carles Fern´ ndez-Prades3 a Universita...
Ngày tải lên: 21/06/2014, 17:20
báo cáo hóa học:" Research Article Hybrid RSS-RTT Localization Scheme for Indoor Wireless Networks" doc
... TDOA schemes In [9] an algorithm of neural networks is implemented for the hybrid scheme that combines RSS and TOA measurements, enhancing the overall performance of the hybrid localization scheme ... The hybrid localization scheme coupled with simulations and measurements in a cluttered indoor environment demonstrates that it outperforms the conventional RSS-based and RTT...
Ngày tải lên: 21/06/2014, 18:20
Báo cáo hóa học: " Research Article A Wireless Sensor Network for RF-Based Indoor Localization" pptx
... hear LBs from different location nodes, and 3.2.3 Channel access Relay network data exchanges can be divided into intracluster aggregation data exchanges and to relay data exchanges The aggregation ... time passed between the 3.1.3 Data transfer LocMAC base enables low-rate data exchanges between location nodes and anchor nodes Both LBs and LBAs include payload parts Uplink data can be piggy...
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Bayesian filtering for indoor localization and tracking in wireless sensor networks" docx
... Mahonen, Combining Particle Filtering with Cricket System for Indoor Localization and Tracking Services Personal, Indoor and Mobile Radio Communications, 2007, in PIMRC 2007 IEEE 18th International ... Bayesian filtering for indoor localization and tracking in wireless sensor networks Anup Dhital1,2 , Pau Closas∗3 and Carles Fern´ ndez-Prades3 a Universita...
Ngày tải lên: 21/06/2014, 23:20
Báo cáo hóa học: "Research Article A Markov Model for Dynamic Behavior of ToA-Based Ranging in Indoor Localization" ppt
... application of Markov chain for modeling the dynamic behavior of the ranging error in a typical indoor localization application which assists The material presented in this paper was partially ... [38] N A Alsindi, B Alavi, and K Pahlavan, “Spatial characteristics of UWB TOA-based ranging in indoor multipath environments,” in IEEE International Symposium on...
Ngày tải lên: 22/06/2014, 06:20
Báo cáo hóa học: "Research Article Cooperative Localization Bounds for Indoor Ultra-Wideband Wireless Sensor Networks" pdf
... different indoor multipath environments 3.1 INDOOR COOPERATIVE LOCALIZATION BOUNDS Problem formulation Based on the ranging models of Section 2, we derive the G-CRLB for cooperative localization in indoor ... and localization accuracy Therefore, there is a need to analyze the impact of these channel limitations on the performance of cooperative localization in indoor...
Ngày tải lên: 22/06/2014, 06:20
Báo cáo hóa học: "Robust Estimator for Non-Line-of-Sight Error Mitigation in Indoor Localization" pptx
... Spain His research interests include electronic instrumentation and assistive technology He received an M.S degree in electrical engineering in 1990 and a Ph.D degree in electronic engineering in ... applying to obtain a Ph.D degree in electronic engineering J J Guerrero graduated in the Electrical Engineering Department at the University of Zaragoza in 1989 He obtained the Ph.D...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " Performance Evaluation of Indoor Localization Techniques Based on RF Power Measurements from Active or Passive Devices" pptx
... effectiveness of the active network for localization, in the following we evaluate the limiting performance of a localization technique based on the RF map of the area Performance is expressed in terms of ... interrogator CONCLUSIONS We analyzed the performance of networks used for localization in terms of the probability of localization error Solutions base...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " A Self-Localization Method for Wireless Sensor Networks" doc
... is available We note that when partial measurements are available, the ML calibration may not be unique For example, if only TOA measurements are available, a scene calibration solution and its ... arrival to any one sensor node provides no information for selflocalization; rather, time difference of arrival (TDOA) between sensor nodes carries information for localization If partia...
Ngày tải lên: 23/06/2014, 01:20
Báo cáo y học: "Self-calibrating pulse contour cardiac output: do validation studies really show its clinical reliability" pps
... uncalibrated arterial pulse contour cardiac output monitoring system in cirrhotic patients undergoing liver surgery Br J Anaesth 2009, 102:47-54 Critchley LA, Critchley JA: A meta-analysis of studies using ... Senn and colleagues’ study does not in my opinion comprehensively test the FloTrac/Vigileo system as their use of tilting did not provoke sufficiently large changes in haemodyna...
Ngày tải lên: 13/08/2014, 15:21
Dead reckoning algorithms for indoor localization
... LBS Location based services DRA Dead Reckoning algorithm DRA-I Proposed Dead Reckoning Algorithm I DRA-II Proposed Dead Reckoning Algorithm II DRA-III Proposed Dead Reckoning Algorithm III GPS Global ... solutions for the indoor localization problem, as correction technologies are not included However, these algorithms can be easily integrated into other technologies a...
Ngày tải lên: 04/10/2015, 10:25
Dead reckoning algorithms for indoor localization
... LBS Location based services DRA Dead Reckoning algorithm DRA-I Proposed Dead Reckoning Algorithm I DRA-II Proposed Dead Reckoning Algorithm II DRA-III Proposed Dead Reckoning Algorithm III GPS Global ... solutions for the indoor localization problem, as correction technologies are not included However, these algorithms can be easily integrated into other technologies a...
Ngày tải lên: 12/10/2015, 17:36