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Method of communication link acquisition using search pattern

專利號(hào)
US10868615B1
公開日期
2020-12-15
申請人
X DEVELOPMENT LLC(US CA Mountain View)
發(fā)明人
Paul Csonka; Edward Allen Keyes
IPC分類
H04B10/27; H04B10/11
技術(shù)領(lǐng)域
beacon,device,200b,200a,search,secondary,beam,primary,optical,pattern
地域: CA CA Mountain View

摘要

Aspects of the disclosure provide for a method of forming a communication link between two communication devices using a primary search pattern and a secondary search pattern. A misalignment between a first optical system of a first communication device and a second optical system of a second communication device is detected. The first optical system is rotated according to the primary search pattern, and the second optical system according to the secondary search pattern. At the second communication device, a set of frames is captured. Then, it is determined whether a beacon beam transmitted from the first communication device is detected in the one or more of the captured frames. When it is determined that the beacon beam is detected, the communication link is formed between the first communication device and the second communication device.

說明書

Referring to FIG. 1, a global-scale communication network 100 includes a variety of communication devices 200, e.g., 200a, 200b, 200c, 200d, 200e, and 200f, associated with communication terminals such as, for example, stationary communication terminals 300, satellites 400, and high-altitude platforms (HAP) 500, such as an airplane 500a. The communication devices 200a-f may communicate directly or indirectly with one another. The stationary communication terminals 300 may be building stationary terminals 300a located on the rooftop of buildings or ground stationary terminal 300b located on the ground. The stationary communication terminals 300 may receive a communication signal 20 from another stationary terminal 300, a satellite 400, or a HAP 500, and reroute the communication signal 20 to another stationary terminal 300, a satellite 400, or a HAP 500, or in some examples, to one or more user devices 110, 120, each of which may be associated with a user 112, 122. The satellite 400 may be in Low Earth Orbit (LEO), Medium Earth Orbit (MEO), or High Earth Orbit (HEO), including Geosynchronous Earth Orbit (GEO). The network 100 may also include HAPs 500 that operate at high altitudes (e.g., 17-22 km). For instance, HAPs 500 may be released into the earth's atmosphere, e.g., by an air craft, or flown to the desired altitude.

權(quán)利要求

1
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