Patents by Inventor Angelo Cuffaro
Angelo Cuffaro has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8682368Abstract: An access point includes a transmitter configured to transmit signals, a receiver configured to receive signals, and a timing information device. The timing information device is configured to receive a timing information request from a station associated to the access point, receive timing information for a beacon signal sent by a second access point, and report the timing information to the station. The timing information includes a time difference relative to a known reference time for transmission of the beacon signal and the time difference is an offset in timing units.Type: GrantFiled: December 22, 2011Date of Patent: March 25, 2014Assignee: InterDigital Technology CorporationInventors: Paul Marinier, Vincent Roy, Christopher Cave, Frank LaSita, Angelo Cuffaro, Athmane Touag, Marian Rudolf
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Publication number: 20140004871Abstract: A radio resource control unit configured to determine values for use by radio resource management functions includes a measurement reception and storing unit and a measurement processing unit. The measurement reception and storing unit is configured to obtain and store air interface actual values and predictive values; and generate and store a timestamp indicating a time when each actual or predictive value is obtained. The measurement processing unit is configured to process the actual and predictive values to provide an output value; determine an occurrence of a transient period, which is a period of time when a radio link is unstable; and determine whether the actual value is valid by comparing the timestamp of the actual value to the occurrence of the transient period, and on a condition that the timestamp is within the transient period, then the actual value is determined to be not valid.Type: ApplicationFiled: August 30, 2013Publication date: January 2, 2014Applicant: InterDigital Technology CorporationInventors: Christopher R. Cave, Angelo A. Cuffaro, Teresa J. Hunkeler, Maged M. Zaki, Guodong Zhang, Juan Carlos Zuniga
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Patent number: 8542627Abstract: A method for determining values for use by radio resource management functions is disclosed. Air interface actual values and predictive values are obtained and stored. A timestamp indicating a time when each actual value or predictive value is obtained is generated and stored. The actual values and the predictive values are processed to provide an output value.Type: GrantFiled: June 20, 2011Date of Patent: September 24, 2013Assignee: InterDigital Technology CorporationInventors: Christopher R. Cave, Angelo A. Cuffaro, Teresa J. Hunkeler, Maged M. Zaki, Guodong Zhang, Juan Carlos Zuniga
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Patent number: 8391866Abstract: A method for use in an access point includes receiving a request for a reselection message from a wireless transmit/receive unit (WTRU). The reselection message is generated in response to the request and includes: at least one first identifier of one or more candidate basic service sets (BSSs) that may be considered for reselection; a preference indicator associated with each candidate BSS, to indicate the BSS selection preference; an expiration time indicator associated with each candidate BSS, to indicate a time period that the BSS may be considered for reselection; an indication of a measurement to be taken on a BSS and used in a target BSS reselection determination; and a margin by which the measurement must exceed a corresponding value for a currently selected BSS. The reselection message is transmitted to the WTRU. A reselection response message is received from the WTRU, indicating the target BSS reselection determination.Type: GrantFiled: May 23, 2012Date of Patent: March 5, 2013Assignee: InterDigital Technology CorporationInventors: Vincent Roy, Paul Marinier, Marian Rudolf, Angelo Cuffaro
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Publication number: 20120236826Abstract: A method for use in an access point includes receiving a request for a reselection message from a wireless transmit/receive unit (WTRU). The reselection message is generated in response to the request and includes: at least one first identifier of one or more candidate basic service sets (BSSs) that may be considered for reselection; a preference indicator associated with each candidate BSS, to indicate the BSS selection preference; an expiration time indicator associated with each candidate BSS, to indicate a time period that the BSS may be considered for reselection; an indication of a measurement to be taken on a BSS and used in a target BSS reselection determination; and a margin by which the measurement must exceed a corresponding value for a currently selected BSS. The reselection message is transmitted to the WTRU. A reselection response message is received from the WTRU, indicating the target BSS reselection determination.Type: ApplicationFiled: May 23, 2012Publication date: September 20, 2012Applicant: INTERDIGITAL TECHNOLOGY CORPORATIONInventors: Vincent Roy, Paul Marinier, Marian Rudolf, Angelo Cuffaro
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Patent number: 8265026Abstract: During a contention-free period, or silent measurement period, of a first wireless communications channel, signals received on a second wireless communications channel are analyzed. The results of the analysis are used to perform advanced radio resource management functions, such as frequency selection, load balancing, or power management. Each of a plurality of wireless channels may be measured in order to perform the advanced radio resource management functions. During the analysis, an energy detect threshold may be lowered to a minimal value.Type: GrantFiled: June 23, 2009Date of Patent: September 11, 2012Assignee: InterDigital TechnologyInventors: Paul Marinier, Christopher Cave, Angelo Cuffaro
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Publication number: 20120155439Abstract: An access point includes a transmitter configured to transmit signals, a receiver configured to receive signals, and a timing information device. The timing information device is configured to receive a timing information request from a station associated to the access point, receive timing information for a beacon signal sent by a second access point, and report the timing information to the station, The timing information includes a time difference relative to a known reference time for transmission of the beacon signal and the time difference is an offset in timing units.Type: ApplicationFiled: December 22, 2011Publication date: June 21, 2012Applicant: INTERDIGITAL TECHNOLOGY CORPORATIONInventors: Paul Marinier, Vincent Roy, Christopher Cave, Frank LaSita, Angelo Cuffaro, Athmane Touag, Marian Rudolf
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Publication number: 20120134328Abstract: Described herein are methods, apparatus and architecture for dynamic spectrum management (DSM) including protocol stacks, logical entities and functionalities that support DSM operation in opportunistic spectrum such as television white space (TVWS). The architecture supports aggregating bandwidth at the internet protocol (IP) layer over licensed and opportunistic bands as well as noncontiguous spectrum aggregation at the medium access control (MAC) layer. The control plane protocol stack includes a multi network transport protocol (MNTP), a channel management (CM) protocol, a policy protocol, a medium access control (MAC) entity, a physical entity and an air interface, all of which are configured to allocate, monitor, and update aggregated spectrum resources with respect to a DSM client.Type: ApplicationFiled: October 10, 2011Publication date: May 31, 2012Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Jean-Louis Gauvreau, Martino M. Freda, Parul Mudgal, Athmane Touag, Liangping Ma, Chunxuan Ye, Rocco DiGirolamo, Angelo A. Cuffaro, Saad Ahmad
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Patent number: 8190155Abstract: A list of candidate basic service sets (BSSs) or access points (APs) is included in a medium access control (MAC) message which is received at a wireless transmit/receive unit (WTRU). The list includes an identity of each candidate BSS or AP and a preference indicator which indicates an extent that the candidate BSS or AP is preferred for selection and whether the candidate BSS or AP shall not be considered for selection. A BSS or AP is selected by the WTRU using the list.Type: GrantFiled: December 28, 2005Date of Patent: May 29, 2012Assignee: InterDigital Technology CorporationInventors: Vincent Roy, Paul Marinier, Marian Rudolf, Angelo Cuffaro
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Publication number: 20120094681Abstract: A method for managing channel selection in a dynamic spectrum management network includes receiving a spectrum allocation request; based on the source of the spectrum allocation request, checking for available channels; based on the source of the spectrum allocation request, collecting sensing and usage data for the available channels; providing the channel usage data to an entity that transmitted the spectrum allocation request.Type: ApplicationFiled: October 12, 2011Publication date: April 19, 2012Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Martino M. Freda, Parul Mudgal, Jean-Louis Gauvreau, Athmane Touag, Rocco DiGirolamo, Amith V. Chincholi, Joseph M. Murray, Chunxuan Ye, Scott Laughlin, Zinan Lin, Alexander Reznik, Saad Ahmad, Joseph A. Kwak, Juan Carlos Zuniga, Angelo A. Cuffaro
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Patent number: 8116351Abstract: An apparatus and method is provided for dynamic range power control of a wireless downlink communication signal, such that target signal quality adjustments are held temporarily when it is apparent that transmit power control commands will not produce the desired response at the transmitting station. Comparisons of measured received signals to thresholds are performed to determine whether the transmitting station has either reached the maximum or minimum transmit power, in which case the target signal quality adjustment is controlled accordingly. When normal transmit power is detected, the target signal quality adjustments are allowed to resume as usual.Type: GrantFiled: November 10, 2009Date of Patent: February 14, 2012Assignee: InterDigital Technology CorporationInventors: Chang-Soo Koo, Angelo Cuffaro, Sung-Hyuk Shin
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Publication number: 20120026941Abstract: Techniques for sending an aggregated beacon in a cognitive wireless network are disclosed. A beacon device may segment beacon information and send beacon segments via a plurality of channels simultaneously. A certain information elements of the beacon information may be included in each beacon segment. Each beacon segment may include channel information for other beacon segments that are transmitted simultaneously. Alternatively, a discovery beacon may be transmitted in addition to a regular beacon. The discovery beacon may include information indicating an operating channel on which the regular beacon is transmitted. The discovery beacon may be transmitted using a predetermined channel bandwidth, with a smaller beacon interval than the regular beacon, or in a frequency hopping fashion. The discovery beacon may be sent on a channel selected based on a regulatory class and corresponding channel information. The discovery beacon may be transmitted on a side channel.Type: ApplicationFiled: February 24, 2011Publication date: February 2, 2012Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Saad Ahmad, Jean-Louis Gauvreau, Rocco DiGirolamo, Zinan Lin, Joseph Murray, Alexander Reznik, Alpaslan Demir, Angelo A. Cuffaro, Zaid Al-Khatib
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Patent number: 8108505Abstract: In a method for controlling channel access in wireless communications, an admitted time value is calculated for each access category in a station. The admitted time value is a maximum amount of medium time the station can use in a time period. A used time value is calculated for each access category in the station. The used time value is an amount of medium time used by the station. A determination is made whether the used time value is less than the admitted time value. If the used time value is less than the admitted time value, a frame with enhanced distributed channel access (EDCA) parameters is transmitted. If the used time value is not less than the admitted time value, a frame without the EDCA parameters is transmitted.Type: GrantFiled: March 13, 2009Date of Patent: January 31, 2012Assignee: InterDigital Technology CorporationInventors: Ahmed Ali, Angelo A. Cuffaro, Christopher R. Cave, Marinier Paul
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WIRELESS COMMUNICATION METHODS AND COMPONENTS THAT IMPLEMENT HANDOFF IN WIRELESS LOCAL AREA NETWORKS
Publication number: 20120014353Abstract: This invention relates to wireless local area networks, and particularly to the IEEE 802.11 family of standards. It consists of a method and apparatus that can be implemented in access points (APs) and subscriber wireless transmit/receive units (WTRUs), in order to allow an AP to initiate re-association of a WTRU to itself or a different AP. The invention improves the robustness of the network by enabling more efficient load balancing, congestion control, and roaming, without compromising the user experience.Type: ApplicationFiled: September 23, 2011Publication date: January 19, 2012Applicant: INTERDIGITAL TECHNOLOGY CORPORATIONInventors: Paul Marinier, Vincent Roy, Christopher Cave, Frank LaSita, Angelo Cuffaro, Athmane Touag -
Patent number: 8099094Abstract: A method for neighbor scanning in a wireless local area network having a station, a first access point (AP) to which the station is associated, and a second AP begins by generating timing information regarding a beacon signal sent by the second AP. The timing information is reported from the first AP to the station. The station schedules a time, based on the timing information, to listen for the beacon signal transmitted by the second AP.Type: GrantFiled: June 28, 2005Date of Patent: January 17, 2012Assignee: InterDigital Technology CorporationInventors: Paul Marinier, Vincent Roy, Christopher Cave, Frank LaSita, Angelo Cuffaro, Athmane Touag, Marian Rudolf
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Publication number: 20110305139Abstract: A method and apparatus may be used for network management via MAC measurements. The measurements may include WTRU uplink traffic loading measurement, and an AP service loading measurement. The measurements may be applicable to at least to layers 1 and 2 as applied to, for example, 802.11k in the context of OFDM and CDMA 2000 systems, but may be applicable to other scenarios as well. A method for determining and transmitting congestion information may be provided for a Wireless Local Area Network (WLAN) system. The method and apparatus may be used for managing congestion when congestion is detected. The method and apparatus may be used in wireless systems that use a Carrier Sense Multiple Access/Collision Avoidance (CSMA/CA) mechanism. The methods may be implemented in wireless transmit/receive units (WTRU)s and access points (AP)s of various forms.Type: ApplicationFiled: August 18, 2011Publication date: December 15, 2011Applicant: INTERDIGITAL TECHNOLOGY CORPORATIONInventors: Joseph A. Kwak, Marian Rudolf, Teresa Joanne Hunkeler, Shamim Akbar Rahman, Angelo Cuffaro, Christopher Cave, Vincent Roy, Athmane Touag, Frank LaSita, Ahmed Ali, Paul Marinier
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Publication number: 20110287802Abstract: Systems and methods for dynamic white space management are described. First, local handling of channel queries, in which a channel query by a white space device (WSD) is handled by a local dynamic spectrum management (DSM) server, if the DSM server has all the information necessary for providing a response to the channel query. Second, a search extension, in which a WSDB passes part of a search for available channels to a local DSM server. Third, assisting of an available channel calculation, in which a DSM server provides spectrum sensing information to WSDBs to improve the available channel calculation within the WSDBs. And fourth, dynamic bandwidth management to meet the coexistence requirements. In addition, the content of the messages and procedures that enable the above value-adding functions and interactions with the WSDB systems are described.Type: ApplicationFiled: May 6, 2011Publication date: November 24, 2011Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Liangping Ma, Chunxuan Ye, Saad Ahmad, Alpaslan Demir, Rocco Di Girolamo, Jean-Louis Gauvreau, Alexander Reznik, Angelo A. Cuffaro
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Publication number: 20110250850Abstract: A method for determining values for use by radio resource management functions is disclosed. Air interface actual values and predictive values are obtained and stored. A timestamp indicating a time when each actual value or predictive value is obtained is generated and stored. The actual values and the predictive values are processed to provide an output value.Type: ApplicationFiled: June 20, 2011Publication date: October 13, 2011Applicant: InterDigital Technology CorporationInventors: Christopher Cave, Angelo Cuffaro, Teresa Joanne Hunkeler, Maged Zaki, Guodong Zhang, Juan Carlos Zuniga
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Wireless communication methods and components that implement handoff in wireless local area networks
Patent number: 8027312Abstract: This invention relates to wireless local area networks, and particularly to the IEEE 802.11 family of standards. It consists of a method and apparatus that can be implemented in access points (APs) and subscriber wireless transmit/receive units (WTRUs), in order to allow an AP to initiate re-association of a WTRU to itself or a different AP. The invention improves the robustness of the network by enabling more efficient load balancing, congestion control, and roaming, without compromising the user experience.Type: GrantFiled: April 13, 2010Date of Patent: September 27, 2011Assignee: InterDigital Technology CorporationInventors: Paul Marinier, Vincent Roy, Christopher Cave, Frank LaSita, Angelo Cuffaro, Athmane Touag -
Patent number: 8018894Abstract: A method and apparatus for implementing a blind seamless channel change (BSCC) when at least one of a plurality of wireless communication devices is jammed on a current communication channel includes the first wireless communication device transmitting a BSCC message on the current communication channel to a second wireless communication device that includes information relating to a communication channel selected from a plurality of available communication channels that the first wireless communication device is switching to next, and a time period when the first wireless communication device will be transmitting on the selected communication channel. The first wireless communication device switches to the selected communication channel. The second wireless communication device receives the BSCC message and switches to the selected communication channel. The first and second wireless communication devices resume normal wireless communication.Type: GrantFiled: September 28, 2006Date of Patent: September 13, 2011Assignee: InterDigital Technology CorporationInventors: Vincent Roy, Angelo A. Cuffaro