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Cognitive Radio

Cognitive Radio-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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NEW Optimizing bandwidth of cognitive radios
International Business Machines Corporation
May 17, 2018 - N°20180139629

The present invention provides a computer implemented method, system, and computer program product of optimizing bandwidth of cognitive radios (crs). In an embodiment, the present invention includes monitoring use of channels of digital wireless spectrum by at least one primary user communications device (pu device), resulting in pu activity data describing the use, using a digital wireless spectrum channel with ...
Wide band frequency agile mimo antnna
King Fahd University Of Petroleum And Minerals
April 26, 2018 - N°20180115080

The wide band frequency agile mimo antenna is a 4-element, reconfigurable multi-input multi-output (mimo) antenna system. Frequency agility in the design is achieved using varactor diodes tuned for various capacitance loadings. The mimo antennas operate over a wide band, covering several well-known wireless standards between 1610-2710 mhz. The present design is simple in structure with low profile antenna elements. The ...
Smart vehicular hybrid network systems and applications of same
Board Of Trustees Of The University Of Arkansas
March 29, 2018 - N°20180091981

A vehicular hybrid network system includes a cognitive radio network service provider (crnsp) module configured to host a cognitive radio ad hoc vehicular network (cravenet) and to provide information services to a plurality of vehicles in the cravenet. The system also includes a spectrum leasing module in communication with the network service provider module, the spectrum leasing module configured to ...
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Permutation group-based channel rendezvous method for multi-antenna cognitive radio network
Shenyang Institute Of Automation, Chinese Academy Of Sciences
November 16, 2017 - N°20170331513

The present invention relates to wireless network technology and presents a permutation group-based channel rendezvous method for a multi-antenna cognitive radio network, allowing a cognitive user equipped with multiple antennas to achieve blind channel rendezvous without the need for clock synchronisation. The present invention defines channel hopping sequences whilst making full use of properties such as channel diversity, the closure ...
Generation method for distributed channel hopping system in cognitive radio networks
October 19, 2017 - N°20170302331

A method for generating a distributed channel hopping system in cognitive radio networks. The method includes: 1) providing a symmetric asynchronous ch system comprising n periodic ch sequences such that each period of a ch sequence comprises exactly l frames and each frame comprises n timeslots; 2) labelling the n periodic ch sequences in the constructed ch system; 3) hopping, by the ch ...
Cognitive radio method and apparatus for achieving ad hoc interference multiple access wireless communication
Massachusetts Institute Of Technology
September 28, 2017 - N°20170280463

An suoc radio employs: (1) spectrum sensing and parameter estimation methods to characterize potential fuocs; (2) a rate pair prediction tool to guide it's choice of fuoc to target along with the appropriate rate pair (suoc and fuoc achievable rates); (3) machine learning methods to automatically and on the fly advantage experience/history; (4) a decision maker with multiple possible procedures that govern steps ...
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Cognitive Radio Patent Applications
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Cognitive radio antenna assembly
King Fahd University Of Petroleum And Minerals
September 21, 2017 - N°20170271751

The cognitive radio antenna assembly includes two boards, a main board that has an ultra-wideband antenna (uwb) and also serves as a ground plane for the reconfigurable antenna, and an elevated mimo board having two planar inverted-f antennas (pifas) that are reconfigurable to selectively operate on different frequency bands. Each pifa has a radiating patch having a slot bridged by ...
Low complexity relay selection and power allocation scheme for cognitive mimo buffer-aided decode-and-forward relay networks
King Fahd University Of Petroleum And Minerals
August 31, 2017 - N°20170250741

Decode and forward buffer aided relay selection and transmission power allocation systems and method are provided for cognitive radio network that is equipped with multiple-input-multiple-output (mimo). A low complexity mimo-based relay selection scheme that maximizes the single-hop normalized sum rate of the primary network (pn) and secondary network (sn) is proposed including a sub-optimal antenna transmission power allocation scheme that ...
Enterprise cognitive radio integrated with laser communications
At&t Intellectual Property Ii, L.p.
August 10, 2017 - N°20170230859

A wireless data access system is provided to ameliorate bursty traffic occurring in a radio communications link such as a wifi, wimax, 3g or cellular telephone link to a wireless network access device. A data traffic event is detected relating to traffic in the link. The traffic event may be a traffic burst exceeding a predetermined threshold. Based on detecting ...
Electronic device, method and computer-readable medium for sensing spectrum usage in a cognitive radio communication ...
Tsinghua University
July 13, 2017 - N°20170201398

The disclosure provides an electronic device, a method and computer-readable medium. The electronic device includes a circuitry. The circuitry is configured to receive a radio communication signal for another device. The circuitry is also configured to determine, based on the radio communication signal, one or more features that can reflect the difference between uplink transmission mode and downlink transmission mode. ...
Methods and systems for cognitive radio spectrum monitoring
Valorbec Societe En Commandite
May 04, 2017 - N°20170126445

Cognitive radios by dynamically detecting available channels and changing their transmission or reception parameters allow increased concurrent wireless communications within a given spectrum band. It would be beneficial for such cognitive radios to exploit orthogonal frequency division multiplexing (ofdm) and accordingly establishing a spectrum monitoring technique suitable for ofdm-based cognitive radios an essential element for this. The inventors have established ...
Cognitive radio method and apparatus for achieving ad hoc interference multiple access wireless communication
Massachusetts Institute Of Technology
April 27, 2017 - N°20170118762

In a radio network having a plurality of first users on channel (fuocs) and one or more second users on channel (suocs), a method and apparatus for a suoc to select a channel to co-occupy based upon a “selfish” goal of achieving a desired suoc rate and an “altruistic” goal of causing ...
Systems and methods for detecting unused communication spectrum
The Board Of Trustees Of The University Of Alabama
March 30, 2017 - N°20170093603

Systems and methods for cognitive radio spectrum sensing of a signal are disclosed herein. On exemplary method comprises applying a pre-defined cyclostationary feature to detect the presence of the signal; detecting the signal; detecting a spectrum associated with the signal; sampling randomly the detected signal from its cyclic frequency domain; and applying a compressive sensing algorithm to classify the signal ...
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Cognitive Radio Patent Applications
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Method and device for configuring cognitive radio system spectrum resources
Zte Corporation
January 05, 2017 - N°20170006475

A method and device for configuring cognitive radio system spectrum resources, relates to the field of wireless communication and solves the problem that the existing resource configuration mode influences system stability. The method includes: receiving, by a reconfiguration management node, idle spectrum resource request information transmitted by secondary user equipment, wherein the idle spectrum resource request information indicates a demand ...
Wideband antenna star array
Smart Antenna Systems, Inc.
December 08, 2016 - N°20160359237

This invention provides a wideband switchable, reconfigurable and steerable antenna star array capable of providing full 360 degree coverage and selectable narrower beam coverage with high isolation across the full cellular and bandwidth. This invention enables the small cell to have increased data throughput capacity because of the availability the wider band through a single aperture. In addition this invention increases ...
Cognitive radio system, resource allocation apparatus thereof and method therefor
Sony Corporation
December 01, 2016 - N°20160352547

Disclosed is a cognitive radio system, resource allocation apparatus thereof and method therefor. A resource allocation apparatus comprises: a transmission opportunity assessment device which is used to assess availabilities of transmission opportunities in radio resources of a primary communication system; a vector production device which is used to set a transmission opportunity selection vector for each secondary user in the ...
Spectrum-efficient secondary users grouping method for two-tier cognitive radio networks
King Fahd University Of Petroleum And Minerals
November 17, 2016 - N°20160338030

The spectrum-efficient secondary users grouping method for two-tier cognitive radio groups femtocell base stations (fbss) and macrocell secondary users (msus) into non-interfering groups based on their gps location information, and then serves the fbss/msus within each group using the same channel. A first approach for grouping the secondary users (sus) is distance-based. A second approach utilizes profit maximization. Both ...
Electronic device, method and computer-readable medium for sensing spectrum usage in a cognitive radio communication ...
Tsinghua University
November 17, 2016 - N°20160337882

The disclosure provides an electronic device, a method and computer-readable medium. The electronic device includes a circuitry. The circuitry is configured to receive a radio communication signal for another device. The circuitry is also configured to determine, based on the radio communication signal, one or more features that can reflect the difference between uplink transmission mode and downlink transmission mode. ...
Method and apparatus for transmitting channel information in cognitive radio network and method and apparatus ...
Snu R&db Foundation
September 15, 2016 - N°20160269155

A method and apparatus for transmitting channel information used by a station form among tv white space channels, and a method and apparatus for performing channel switching are disclosed. A method for transmitting information of a channel used by a station from among tv white space channels includes determining one or more channels used by the station from among channels ...
Method and procedure for communication between databases or spectrum management functions
Interdigital Patent Holdings, Inc.
September 08, 2016 - N°20160262024

Methods and apparatuses are described herein for providing a victim database discovery procedure. The victim database discovery procedure may be guided by an initial list of potential victim databases that may be defined by physical properties such as the geographic or regional relationships of the areas that may be protected by each database. Exchange procedures are disclosed in which incumbent ...
Cognitive radio antenna assembly
King Fahd University Of Petroleum And Minerals
September 08, 2016 - N°20160261050

The cognitive radio antenna assembly includes two boards, a main board that has an ultra-wideband antenna (uwb) and also serves as a ground plane for the reconfigurable antenna, and an elevated mimo board having two planar inverted-f antennas (pifas) that are reconfigurable to selectively operate on different frequency bands. Each pifa has a radiating patch having a slot bridged by ...
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