Transmit-reference methods in software defined radio platforms for communication in harsh propagation environments and systems thereof

Dowla, Farid; Nekoogar, Faranak

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Title: Transmit-reference methods in software defined radio platforms for communication in harsh propagation environments and systems thereof

Abstract

A method for adaptive Radio Frequency (RF) jamming according to one embodiment includes dynamically monitoring a RF spectrum; detecting any undesired signals in real time from the RF spectrum; and sending a directional countermeasure signal to jam the undesired signals. A method for adaptive Radio Frequency (RF) communications according to another embodiment includes transmitting a data pulse in a RF spectrum; and transmitting a reference pulse separated by a predetermined period of time from the data pulse; wherein the data pulse is modulated with data, wherein the reference pulse is unmodulated. A method for adaptive Radio Frequency (RF) communications according to yet another embodiment includes receiving a data pulse in a RF spectrum; and receiving a reference pulse separated in time from the data pulse, wherein the data pulse is modulated with data, wherein the reference pulse is unmodulated; and demodulating the pulses.

Inventors:: Dowla, Farid; Nekoogar, Faranak

Issue Date:: 2017-01-03

Research Org.:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1337991

Patent Number(s):: 9537604

Application Number:: 14/612,205

Assignee:: Lawrence Livemore National Security, LLC (Livermore, CA)

Patent Classifications (CPCs):: H - ELECTRICITY H03 - BASIC ELECTRONIC CIRCUITRY H03K - PULSE TECHNIQUE

H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04B - TRANSMISSION

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H - ELECTRICITY H03 - BASIC ELECTRONIC CIRCUITRY H03K - PULSE TECHNIQUE
H03K3/00 - Circuits for generating electric pulses

H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04B - TRANSMISSION
H04B1/0003 - {Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain

H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04K - SECRET COMMUNICATION
H04K2203/00 - Jamming of communication
H04K3/42 - {characterized by the control of the jamming frequency or wavelength}
H04K3/44 - {characterized by the control of the jamming waveform or modulation type}
H04K3/45 - {characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"}

H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04W - WIRELESS COMMUNICATION NETWORKS
H04W4/90 - Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]

Show less

DOE Contract Number:: AC52-07NA27344

Resource Type:: Patent

Resource Relation:: Patent File Date: 2015 Feb 02

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING; 97 MATHEMATICS AND COMPUTING

Citation Formats


                    Dowla, Farid, and Nekoogar, Faranak. Transmit-reference methods in software defined radio platforms for communication in harsh propagation environments and systems thereof.  United States: N. p., 2017. 
        Web.

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                    Dowla, Farid, & Nekoogar, Faranak. Transmit-reference methods in software defined radio platforms for communication in harsh propagation environments and systems thereof.  United States.

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                    Dowla, Farid, and Nekoogar, Faranak. Tue .  
        "Transmit-reference methods in software defined radio platforms for communication in harsh propagation environments and systems thereof".  United States.  https://www.osti.gov/servlets/purl/1337991.

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@article{osti_1337991,

  title        = {Transmit-reference methods in software defined radio platforms for communication in harsh propagation environments and systems thereof},

  author       = {Dowla, Farid and Nekoogar, Faranak},

  abstractNote = {A method for adaptive Radio Frequency (RF) jamming according to one embodiment includes dynamically monitoring a RF spectrum; detecting any undesired signals in real time from the RF spectrum; and sending a directional countermeasure signal to jam the undesired signals. A method for adaptive Radio Frequency (RF) communications according to another embodiment includes transmitting a data pulse in a RF spectrum; and transmitting a reference pulse separated by a predetermined period of time from the data pulse; wherein the data pulse is modulated with data, wherein the reference pulse is unmodulated. A method for adaptive Radio Frequency (RF) communications according to yet another embodiment includes receiving a data pulse in a RF spectrum; and receiving a reference pulse separated in time from the data pulse, wherein the data pulse is modulated with data, wherein the reference pulse is unmodulated; and demodulating the pulses.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2017},

  month        = {1}

}

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