Method and apparatus for encryption of over-the-air communications in a wireless communication system

Method and apparatus for encryption of over-the-air communications in a wireless communication system

A communication device converts a bit stream to multiple symbols and provides encryption at a physical layer by shifting a phase of each symbol of the multiple symbols to produce multiple encrypted symbols. Each encrypted symbol of the multiple encrypted symbols is modulated with an orthogonal subca...

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Hauptverfasser: LUZ YUDA Y, CROCKER RONALD T, HARRIS JOHN M
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER
ELECTRICITY
MODULATION
PULSE TECHNIQUE
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creator LUZ YUDA Y
CROCKER RONALD T
HARRIS JOHN M
description A communication device converts a bit stream to multiple symbols and provides encryption at a physical layer by shifting a phase of each symbol of the multiple symbols to produce multiple encrypted symbols. Each encrypted symbol of the multiple encrypted symbols is modulated with an orthogonal subcarrier to produce at least one modulated subcarrier and the at least one modulated subcarrier is then transmitted via a wireless link. On a receive side, a receiving communication device receives the transmitted, encrypted symbols and provides decryption at a physical layer by shifting a phase of each encrypted symbol in correspondence with the phase used to encrypt the symbol at the transmit side.
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subjects BASIC ELECTRONIC CIRCUITRY
DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER
ELECTRICITY
MODULATION
PULSE TECHNIQUE
title Method and apparatus for encryption of over-the-air communications in a wireless communication system
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