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Communication method, device and computer readable medium

A signal and capability information technology, applied in the fields of communications, devices and computer-readable media, to solve problems such as the limited number of satellites

Active Publication Date: 2019-07-05
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since geosynchronous satellites are limited to a geosynchronous orbit (GSO), which is a circle with a radius of approximately 42,164 km from the center of the earth directly above the equator of the earth, the number of satellites that can be placed in a GSO is Restricted

Method used

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  • Communication method, device and computer readable medium
  • Communication method, device and computer readable medium
  • Communication method, device and computer readable medium

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Embodiment Construction

[0060] In some aspects, the present disclosure relates to the handover of a user terminal communicating with a satellite network portal (also referred to as a gateway) via a satellite of a non-geostationary satellite communication system. In some implementations, the satellite communication system is a Low Earth Orbit (LEO) satellite communication system for transmitting data, voice, video, or other information. Satellite network portals and user terminals use satellite and cell transition tables to determine when to hand off the user terminal from one cell to another and / or from one satellite to another. In some aspects, a user terminal may send capability information, location information, or other information to the satellite network portal, whereby, based on the information, the satellite network portal generates a satellite and cell switching table and / or selects a handover procedure for the user terminal. In addition, the user terminal can also perform satellite signal m...

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PUM

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Abstract

Various aspects of the present disclosure relate to handover of user terminals in communication with satellite network portals via satellite. In some aspects, satellite network portals and user terminals use satellite handover information to determine when to hand over the user terminal from one cell to another and / or from one satellite to another. In some aspects, the user terminal transmits capability information, location information, or other information to the satellite web portal, whereby, based on the information, the satellite web portal generates satellite handover information, and / or selects handover procedures for the user terminal. In some aspects, handing off the user terminal to a different satellite involves the user terminal making satellite signal measurements and sending a measurement message to the satellite web portal. In some aspects, the satellite network portal generates new satellite handover information as a result of receiving the measurement message.

Description

[0001] Cross References to Related Applications [0002] This application claims the priority and benefit of the following applications: [0003] Nonprovisional Application No. 15 / 141,641, filed April 28, 2016, in the USPTO, a continuation-in-part of Nonprovisional Application No. 14 / 856,933, filed September 17, 2015, in the USPTO ;as well as [0004] Provisional Application No. 62 / 156,063, filed May 1, 2015, in the USPTO. [0005] The entire content of the above application is incorporated into this application by reference. technical field [0006] Various aspects described herein relate to satellite communications, and more particularly, but not exclusively, to handover for non-geostationary satellite communications. Background technique [0007] A satellite-based communication system may include gateways and one or more satellites to relay communication signals between the gateways and one or more user terminals. Gateways are ground stations with antennas for sending...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/185
CPCH04B7/18517H04B7/18558H04B7/18582H04W36/322H04W36/328H04B7/18541H04B7/1851H04B7/2041H04W36/38H04W88/16H04L2012/6421H04W72/51
Inventor F·乌卢皮纳尔P·普尔卡亚斯塔P·巴拉尼G·W·马什
Owner QUALCOMM INC