Title:
LOW-ENERGY ROUTING METHOD BASED ON INTER-SATELLITE COMMUNICATION
Document Type and Number:
WIPO Patent Application WO/2023/280039
Kind Code:
A1
Abstract:
The present invention relates to a low-energy routing method based on inter-satellite communication, which method belongs to the technical field of communications. The method comprises: improved calculation of three-dimensional Fermat points; calculation of Fermat points in three target areas; selection of satellite nodes of the Fermat points; and a low-energy Fermat point three-dimensional routing algorithm LEFTR. According to the present invention, a method for calculating three-dimensional Fermat points is improved, so as to be more suitable for inter-satellite communication; and a method for directly calculating Fermat points in three target areas in a three-dimensional environment is provided. A Fermat point node search algorithm is provided for finding a node, which plays the role of transit transmission. The present algorithm is used for making the energy consumption of network transmission more balanced when the node, which plays the role of transit transmission, needs to be found after the Fermat points have been calculated. An efficient geocasting algorithm LEFTR suitable for satellite communication is provided. By extending the algorithm to multiple target areas, a Fermat point tree is constructed by using the characteristics of the Fermat points, such that low-energy data transmission in the multiple target areas is realized.
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Inventors:
SU CHANG (CN)
XIE XIANZHONG (CN)
WANG SHIHAN (CN)
XIE XIANZHONG (CN)
WANG SHIHAN (CN)
Application Number:
PCT/CN2022/102598
Publication Date:
January 12, 2023
Filing Date:
June 30, 2022
Export Citation:
Assignee:
UNIV CHONGQING POSTS & TELECOM (CN)
International Classes:
H04W40/02; H04B7/185
Domestic Patent References:
| WO2012009849A1 | 2012-01-26 |
Foreign References:
| CN113438014A | 2021-09-24 | |||
| CN111770547A | 2020-10-13 | |||
| CN110167095A | 2019-08-23 | |||
| CN102256325A | 2011-11-23 |
Other References:
WANG SHIHAN: "Three-Dimensional Efficient Regional Cluster Degree of Broadcasting Algorithm Design in Satellite Sensor Network", CHINESE MASTER’S THESES FULL-TEXT DATABASE, INFORMATION SCIENCE AND TECHNOLOGY, no. 3, 15 March 2022 (2022-03-15), XP093022835
HANSON J.R.: "Fermat point for a triangle in three dimensions using the taxicab metric", INTERNATIONAL JOURNAL OF MATHEMATICAL EDUCATION IN SCIENCE AND TECHNOLOGY, 27 December 2016 (2016-12-27), pages 473 - 482, XP093022768, DOI: 10.1080/0020739X.2016.1259515
XIAOMING XIONG; CHUAN YAN: "Three-Dimensional Localization Algorithm of APIT Based on Fermat-Point Divided for Wireless Sensor Networks", 2014 SEVENTH INTERNATIONAL SYMPOSIUM ON COMPUTATIONAL INTELLIGENCE AND DESIGN, IEEE, vol. 2, 13 December 2014 (2014-12-13), pages 521 - 524, XP032762170, ISBN: 978-1-4799-7004-9, DOI: 10.1109/ISCID.2014.168
HANSON J.R.: "Fermat point for a triangle in three dimensions using the taxicab metric", INTERNATIONAL JOURNAL OF MATHEMATICAL EDUCATION IN SCIENCE AND TECHNOLOGY, 27 December 2016 (2016-12-27), pages 473 - 482, XP093022768, DOI: 10.1080/0020739X.2016.1259515
XIAOMING XIONG; CHUAN YAN: "Three-Dimensional Localization Algorithm of APIT Based on Fermat-Point Divided for Wireless Sensor Networks", 2014 SEVENTH INTERNATIONAL SYMPOSIUM ON COMPUTATIONAL INTELLIGENCE AND DESIGN, IEEE, vol. 2, 13 December 2014 (2014-12-13), pages 521 - 524, XP032762170, ISBN: 978-1-4799-7004-9, DOI: 10.1109/ISCID.2014.168
Attorney, Agent or Firm:
TIDYTEND INTELLECTUAL PROPERTY LAW FIRM (CN)
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