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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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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 ...
Control apparatus and method for wireless communication system supporting cognitive radio
Sony Corporation
September 28, 2017 - N°20170280329

A control apparatus and method for a wireless communication system supporting cognitive radio. The control apparatus includes an acquisition unit and a management unit. The acquisition unit is configured to acquire information about at least one factor capable of affecting performance of transferring an access request for a frequency spectrum resource by a communication apparatus, the access request being used ...
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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. ...
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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 ...
Power allocation optimization under constraints of throughput requirements and interference limit for cognitive radio networks
Macau University Of Science And Technology
January 26, 2017 - N°20170026913

The present invention provides a method of power control for a plurality of secondary users (sus), or unlicensed users, in a cognitive radio network having a plurality of primary users (pus), or licensed users. The method comprises determining an optimal power level for each of the sus such that a total throughput of all the sus is maximized while satisfying ...
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 ...
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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 ...
Method and apparatus for wideband spectrum sensing
King Fahd University Of Petroleum And Minerals
May 26, 2016 - N°20160150415

Examples of wideband spectrum sensing techniques for cognitive radio are provided. The techniques permit undersampling (e. G., sub-nyquist sampling) the spectrum band, which permits use of more cost effective electronic components (e. G., lower frequency analog-to-digital converters (adc)). The techniques permit determination of whether there are any (or sufficient) sub-channels that exist in the band to use for transmission, so ...
Enterprise cognitive radio integrated with laser communications
At&t Intellectual Property Ii, L.p.
May 19, 2016 - N°20160142930

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 ...
Coordination of silent periods for dynamic spectrum manager (dsm)
Interdigital Patent Holdings, Inc.
April 28, 2016 - N°20160119899

A method for use in a dynamic spectrum manager (dsm) for coordinating asynchronous silent periods in a network, the method comprising detecting a primary user in the network, transmitting a silent period start control message to one or more cognitive radio (cr) nodes in the network, wherein the message indicates the start and duration of a silent period and initiates ...
Method and system for utilizing spectrum data in a cognitive wireless access system
Teknolgian Tutkimuskeskus Vtt Oy
March 31, 2016 - N°20160095129

The invention relates to a cognitive wireless communication system where a wireless terminal is allowed to utilize in channel selection process both licenced bands and unlicensed bands that are available. The invention relates also to a method and computer program for allocating a transmission channel for a wireless terminal either from licenced or unlicensed bands in a cognitive radio system ...
Authentication and authorization of cognitive radio devices
Koninklijke Philips N.v.
March 24, 2016 - N°20160088479

A method of authentication and authorization of cognitive radio devices comprises generating a registration request message; sending the registration request to a spectrum manager; receiving a registration response message from the spectrum manager; generating an authorization request message; upon receiving of an authorization response message, generating a verification response message; and sending the verification response message to the cognitive radio ...
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