SYSTEMS AND METHODS FOR PROVIDING PHYSICAL LAYER SECURITY
First Claim
1. A method of providing physical layer security comprising:
- receiving message data at a pre-processing device in a wireless transmission device;
pre-processing the message data into channel data with the pre-processing device;
transmitting the channel data from the wireless transmission device over a wireless transmission link having a path loss;
receiving the channel data at a post-processing module in a reception device;
post-processing the channel data into the message data with the post-processing module; and
wherein an unauthorized reception device is unable to post-process the channel data when a path loss experienced over the transmission link is greater than a predetermined value.
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Abstract
The present invention describes systems and methods for providing physical layer security. An exemplary embodiment of the present invention provides a method of providing physical layer security involving receiving message data at a pre-processing device in a wireless transmission device. Furthermore, the method of providing physical layer security involves pre-processing the message data into channel data with the pre-processing device and transmitting the channel data from the wireless transmission device over a wireless transmission link having a path loss. Subsequently, the method of providing physical layer security involves receiving the channel data at a post-processing module in a reception device. Additionally, the method involves post-processing the channel data into the message data with the post-processing module, such that an unauthorized reception device is unable to post-process the channel data when a path loss experienced over the transmission link is greater than a predetermined value.
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Citations
20 Claims
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1. A method of providing physical layer security comprising:
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receiving message data at a pre-processing device in a wireless transmission device; pre-processing the message data into channel data with the pre-processing device; transmitting the channel data from the wireless transmission device over a wireless transmission link having a path loss; receiving the channel data at a post-processing module in a reception device; post-processing the channel data into the message data with the post-processing module; and wherein an unauthorized reception device is unable to post-process the channel data when a path loss experienced over the transmission link is greater than a predetermined value. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A secure physical layer communication system comprising:
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a first shift-register device; a Last-In First-Out (“
LIFO”
) memory device in communication with the first shift-register device; anda second shift-register device in communication with the Last-In First-Out (“
LIFO”
) memory device. - View Dependent Claims (8, 9)
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10. A secure physical layer pre-processing device comprising:
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a first Linear Shift-register (“
LSR”
) in communication with an input of message data;a first interleaver in communication with the first LSR; and a second LSR in communication with the first interleaver, the second LSR having an output of channel data. - View Dependent Claims (11, 12, 13)
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14. A secure physical layer post-processing device comprising:
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a first Linear Feedback Shift-Register (“
LFSR”
) in communication with an input of channel data;a first de-interleaver in communication with the first LFSR; and a second LFSR in communication with the first de-interleaver, the second LFSR having an output of message data. - View Dependent Claims (15, 16, 17)
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18. A method of providing physical layer security comprising:
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receiving message data at a pre-processing device in a transmission device; processing the message data at the pre-processing device with a first Linear Shift-Register (“
LSR”
);processing the data at the pre-processing device with a first interleaver in communication with the first LSR; processing the data at the pre-processing device with a second LSR in communication with the first interleaver; outputting channel data. - View Dependent Claims (19, 20)
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Specification