Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Jiaolong Wei"'
Publikováno v:
Space: Science & Technology, Vol 4 (2024)
In order to achieve global multiple seamless coverage, space-based internet usually adopts low Earth orbit (LEO) mega-constellation networks structure, which has the characteristics of high network topology dynamics, limited on-board computing and st
Externí odkaz:
https://doaj.org/article/794c5755c8e94d7d9de30449d352b751
Publikováno v:
Remote Sensing, Vol 16, Iss 8, p 1407 (2024)
Conventional global navigation satellite system receivers typically employ a two-step positioning procedure (2SP) by first independently estimating the synchronization parameters and then using these parameters to solve a system of superdeterministic
Externí odkaz:
https://doaj.org/article/34106620aeb446a697e350a86b078358
Publikováno v:
Remote Sensing, Vol 16, Iss 1, p 73 (2023)
Multipath effects are the most challenging error sources for the Global Navigation Satellite System receiver, affecting observation quality and positioning accuracy. Due to the non-linear and time-varying nature, multipath error is difficult to proce
Externí odkaz:
https://doaj.org/article/5a91bdf1dfd14bacb34de536770a6861
Publikováno v:
Entropy, Vol 25, Iss 8, p 1163 (2023)
Orthogonal time-frequency space (OTFS) modulation outperforms orthogonal frequency-division multiplexing in high-mobility scenarios through better channel estimation. Current superimposed pilot (SP)-based channel estimation improves the spectral effi
Externí odkaz:
https://doaj.org/article/9d22c28574474530ae17fbc4f4fdd6f6
Publikováno v:
Neurocomputing. 454:448-460
This paper introduces the idea of learning uniformly ergodic Markov chain for one-against-all support vector machine (OAA-SVM) algorithm. We first obtain the generalization error of OAA-SVM with fast learning rate for uniformly ergodic Markov samples
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df5cd7df53bf648d50a6e659fc164e85
https://doi.org/10.1016/j.neucom.2021.04.115
https://doi.org/10.1016/j.neucom.2021.04.115
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9789811631412
Low earth orbit (LEO) satellite navigation augmentation system has higher ground received signal power and faster Doppler change than Global Navigation Satellite System (GNSS), improving the positioning accuracy with occlusion and shortening the time
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d93f74ed304c948ed3b7071ee63a560
https://doi.org/10.1007/978-981-16-3142-9_24
https://doi.org/10.1007/978-981-16-3142-9_24
Publikováno v:
GPS Solutions. 24
Array signal processing is attractive for Global Navigation Satellite System (GNSS) applications, as the desired reception environments for GNSS are becoming more challenging, while users’ demands for high-accuracy positioning are growing. One goal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8987a7fd9013153b15d529c03726c85c
https://doi.org/10.1007/s10291-020-0952-x
https://doi.org/10.1007/s10291-020-0952-x
Publikováno v:
Journal of Navigation. 72:140-154
A new unambiguous tracking technique based on combined correlation functions for sine Binary Offset Carrier (BOC) signals is proposed in this paper. The key to this method is to exploit two types of local reference signals: the BOC signal and a linea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20e95637442d794ee77cc3ea05dbe84e
https://doi.org/10.1017/s0373463318000498
https://doi.org/10.1017/s0373463318000498
Publikováno v:
Journal of Navigation. 71:899-918
In the new generation of Global Navigation Satellite Systems (GNSS), dual-frequency constant envelope multiplexing is widely desired and is becoming an important subject in signal design. Considerable work has been devoted to multiplexing for the Alt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::066631cd393a6d04b01404a869db9183
https://doi.org/10.1017/s0373463317000959
https://doi.org/10.1017/s0373463317000959
Publikováno v:
GPS Solutions. 23
Binary offset carrier (BOC) modulation technology is widely used in newly developed and modernized global navigation satellite systems. BOC signal offers superior performance over conventional binary phase-shift keying signal due to its sharp auto-co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f88409de43127b2a182ef6b664e50e98
https://doi.org/10.1007/s10291-019-0849-8
https://doi.org/10.1007/s10291-019-0849-8