Method for transmitting pilot symbols

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11973619
SERIAL NO

17288226

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of transmitting, by a first device, pilot symbols to allow a second device to estimate a transmission channel between the first and second devices. The first device has a first antenna that is active in transmission and a second antenna that is passive in transmission. The method includes: transmitting, by the first active antenna, a signal conveying pilot symbols associated with the first active antenna, and during which the second passive antenna is set to a transparency impedance to obtain a level of signal backscattered by the second passive antenna less than a first threshold; and transmitting by the first active antenna a signal conveying pilot symbols associated with the second passive antenna, and during which the second passive antenna is set to a scattering impedance to obtain a level of signal backscattered by the second passive antenna greater than a second threshold greater than the first threshold.

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Patent Owner(s)

  • ORANGE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Phan, Huy Dinh Thuy Chatillon, FR 37 369
Ratajczak, Philippe Chatillon, FR 11 95
Visoz, Raphaël Chatillon, FR 15 53

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