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| 1 | An Efficient Trajectory Planning for Cellular-Connected UAV under the Connectivity Constraint显示文摘Unmanned Aerial Vehicles(UAVs)acting as aerial users to access the cellular network form a promising solution to guarantee its safe and efficient operations via the high-quality communication.Due to the flexible mobility of UAVs and the coverage range limits of ground base station(GBS),the signalto-noise ratio(SNR)of the communication link between UAVs and GBS will fluctuate.It is an important requirement to maintain the UAV’s cellular connection to meet a certain SNR requirement during the mission for UAV flying from take off to landing.In this paper,we study an efficient trajectory planning method that can minimize a cellular-connected UAV’s mission completion time under the connectivity requirement.The conventional method to tackle this problem adopts graph theory or a dynamic programming method to optimize the trajectory,which generally incurs high computational complexities.Moreover,there is a nonnegligible performance gap compared to the optimal solution.To this end,we propose an iterative trajectory optimizing algorithm based on geometric planning.Firstly,we apply graph theory to obtain all the possible UAV-GBS association sequences and select the candidate association sequences based on the topological relationship among UAV and GBSs.Next,adopting the triangle inequality property,an iterative handover location design is proposed to determine the shortest flight trajectory with fast convergence and low computation complexity.Then,the best flight trajectory can be obtained by comparing all the candidate trajectories.Lastly,we revealed the tradeoff between mission completion time and flight energy consumption.Numerical results validate that our proposed solution can obtain the effectiveness with set accuracy and outperform against the benchmark schemes with affordable computation time. | Dingcheng Yang Qian Dan Lin Xiao Chuankuan Liu Laurie Cuthbert | 2021 | China Communications2021，18，2： | 3 |
| 2 | Emotion, attention, and the startle reflex显示文摘 | LANG PJ BRADLEY MM CUTHBERT BN | 1990 | Psychol Rev1990，97，3： | 1 |
| 3 | A study on dust emission,particle size distribution and formaldehyde concentration during machining of medium density fibreboard显示文摘 | Chung K Y Cuthbert R J Revell G S | | 0，，06： | 1 |
| 4 | Diclofenac disposition in Indian cow and goat with reference to Gyps vulture population declines显示文摘 | TAGGART M A CUTHBERT R DAS D | 2007 | Environmental Pollution2007，147，1： | 1 |
| 5 | Abnormalities of airway epithelial function and the implication of the discovery of the cystic fibrosis gene显示文摘 | Cuthbert A | | 0，，： | 1 |
| 6 | Toxicity of diclofenac to Gyps vultures显示文摘 | SWAN G E CUTHBERT R QUEVEDO M | 2006 | Biology Letters2006，2，2： | 1 |
| 7 | Histone deimination antagonizes arginine methylation显示文摘 | DAUJAT S SNOWDEN A W | 2004 | Cell2004，118，5： | 1 |
| 8 | Macrophage migration inhibitory factor promotes intestinal tumorigenesis显示文摘 | Wilson JM Coletta PL Cuthbert RJ | 2005 | Gastroenterology2005，129，5： | 1 |
| 9 | A second cysteinyl leukotriene receptor in human lung 显示文摘 | Labat C Ortiz JL Norel X Gorenne I Verley J Abram TS Cuthbert NJ Tudhope SR Norman P Gardiner P | 1992 | J Pharmacol Exp Ther1992，263，2： | 1 |
| 10 | Guidedbus: an attractive public transport alternative 显示文摘 | Cuthbert T | 2005 | Proceedings of the Institution of Civil Engineers-Civil Engineering2005，，5： | 1 |
| 11 | The roles of the A and C Sites in the manganese-specific activation of MntR显示文摘 | MCGUIRE A M CUTHBERT B J MA Z | 2013 | Biochemistry2013，52，： | 1 |
| 12 | Integration of conventional cytogenetics, comparative genomic hybridisation and interphase fluorescence in situ hybridisation for the detection of genomic rearrangements in acute leukaemia显示文摘 | McGrattan P Campbell S Cuthbert R | 2008 | J Clin Pathol2008，61，8： | 1 |
| 13 | Affeetive picture processing: the late positive potential is modulated by motivational relevance 显示文摘 | Schupp HT Cuthbert BN Bradley MM | 2000 | Psychophysiology2000，37，： | 1 |
| 14 | Immature reticulocyte fraction as a useful parameter for blood transfusion assessment in anaemia显示文摘 | Geldard AR TD Cuthbert A | 2009 | Br Biomed2009，66，： | 1 |
| 15 | Brain potentials in affective picture processing: Covariation with autonomic arousal and affective report 显示文摘 | Cuthbert B N Schupp HT Bradley M M | 2000 | Biological Psychology2000，52，： | 1 |
| 16 | Wilson's disease:update of a systermic disorder with protean manifestations显示文摘 | Jennifer A Cuthbert | 1998 | Gastrointestinal disorders and systemic disease1998，27，： | 1 |
| 17 | Immature retieulocyte fraction as a useful parameter for blood transfusion assess- ment in anaemia显示文摘 | Geldard AR Tobin DJ Cuthbert A | 2009 | Br J Biomed Sci2009，66，2： | 1 |
| 18 | Integration of conven- tional cytogenetics, comparative genomic hybridization and inter- phase fluorescence in situ hybridisation for the detection of genom- ic rearrangements in acute leukemia 显示文摘 | McGrattan P Campbell S Cuthbert R | 2008 | J Clin Pathol2008，61，8： | 1 |
| 19 | The incidence of denervation of the saerospinales muscles following spinal surgery 显示文摘 | Macnab IAN Cuthbert H Godfrey CM | 1977 | Spine1977，2，4： | 1 |
| 20 | Introducing case-based reasoning in SLA control for congestion management in 3G networks显示文摘 | Chantaraskul S Cuthbert L | 2004 | Wireless Communications and Networking Conference2004，4，： | 1 |
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