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公开(公告)号：CA2567039A1
公开(公告)日：2006-01-05
申请号：CA2567039
申请日：2005-05-05
Applicant: QUALCOMM INC
Inventor： MEYLAN ARNAUD , ABRAHAM SANTOSH , WALTON JAY RODNEY
Abstract: A method of selecting a transmission mode for data transmission in a wireless communication system is described. The method comprising determining the age of channel information available for use to transmit data via a wireless channel, comparing the age of the channel information against a threshold, and selecting a steered mode when the age of the channel information is less than or equal to the threshold and selecting an unsteered mode when the age of the channel information is greater than the threshold, and processing data in accordance with the selected transmission mode wherein the channel information is used for processing when the steered mode is selected and the channel information is not used for processing when the unsteered mode is selected. Further, a corresponding apparatus is described.
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公开(公告)号：EP1880484A4
公开(公告)日：2013-01-09
申请号：EP06759426
申请日：2006-05-09
Applicant: QUALCOMM INC
Inventor： MEYLAN ARNAUD , ABRAHAM SANTOSH , NANDA SANJIV
CPC classification number: H04B7/0417 , H04B7/0421 , H04B7/0632 , H04B7/0643 , H04L1/0002 , H04L1/0015 , H04L1/0025 , H04L1/0026 , H04L1/06 , H04L1/1671 , H04L25/0204 , H04L25/0228 , H04L25/0248 , H04L25/0398 , H04L2025/03414 , H04L2025/03426 , H04L2025/03802
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公开(公告)号：ES2721874T3
公开(公告)日：2019-08-06
申请号：ES10730655
申请日：2010-06-29
Applicant: QUALCOMM INC
Inventor： ABRAHAM SANTOSH , SAMPATH HEMANTH , VERMANI SAMEER
Abstract: Un procedimiento para comunicaciones inalámbricas que utiliza tecnología multiusuario, MU, MIMO que comprende: especificación de parámetros de transmisión para una pluralidad de nodos inalámbricos (120) en una única trama que tiene una estructura de trama única (300), en el que los parámetros de transmisión comprenden parámetros MU-MIMO y comprenden una primera parte (326, 320) que comprende información destinada a la pluralidad de nodos inalámbricos y una segunda parte (360) que comprende información que se identifica específicamente para cada uno de la pluralidad de nodos inalámbricos (120); y transmitir la trama única, en el que la primera parte comprende al menos uno de: un campo Tipo, un campo CTS apilado, un campo de sondeo MU-MIMO, un campo CP extendido, un campo Presente de desviación de frecuencia, un campo Control de potencia CL, un campo Rango o un campo MCS o en el que la segunda parte comprende al menos uno de: un campo Enviar CTS, un campo Enviar SND, un campo Enviar CQI, un campo Corrección de desviación de frecuencia, un campo Control de potencia, un campo MCS, un campo de contador de retroceso o un campo de tiempo de transmisión.
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公开(公告)号：MA38036B2
公开(公告)日：2018-10-31
申请号：MA38036
申请日：2013-10-23
Applicant: QUALCOMM INC
Inventor： ABRAHAM SANTOSH , CHERIAN GEORGE
Abstract: L'invention concerne des procédés, des dispositifs et des programmes informatiques permettant d'émettre et de recevoir des messages de découverte et de radiomessagerie dans un dispositif de communication sans fil. Dans un aspect, un appareil sans fil pouvant fonctionner dans un système de communication sans fil comprend un moteur de découverte configuré pour communiquer avec un réseau sans fil en fonction d'un profil, ce profil présentant des paramètres d'utilisation définis, le moteur de découverte étant configuré pour recevoir une entrée d'une application indiquant une sélection de profil, le moteur de découverte étant également configuré pour recevoir au moins un attribut de l'application et configurer le profil au moyen dudit attribut au moins, ces attributs contenant des informations permettant de configurer le profil pour mettre en oeuvre certaines fonctions, tel que défini par l'application.
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45.发明专利
公开(公告)号：HUE035756T2
公开(公告)日：2018-05-28
申请号：HUE10702796
申请日：2010-01-29
Applicant: QUALCOMM INC
Inventor： SRIDHARA VINAY , NANDA SANJIV , ABRAHAM SANTOSH , KANDALA SRINIVAS
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Patent Agency Ranking
公开(公告)号：MY163609A
公开(公告)日：2017-10-13
申请号：MYPI20052044
申请日：2005-05-06
Applicant: QUALCOMM INC
Inventor： ABRAHAM SANTOSH , MEYLAN ARNAUD , WALTON JAY RODNEY
Abstract: TO SELECT A TRANSMISSION MODE TO USE FOR A DATA TRANSMISSION VIA A MIMO CHANNEL FROM STATION A TO STATION B, STATION A OBTAINS CHANNEL INFORMATION USED FOR SPATIAL PROCESSING AND DETERMINES THE AGE OF THIS INFORMATION. STATION A SELECTS ONE OF MULTIPLE TRANSMISSION MODES BASED ON THE AGE OF THE CHANNEL INFORMATION AND POSSIBLY OTHER INFORMATION (E.G., THE FADING CHARACTERISTIC OF THE MIMO CHANNEL). TO SELECT RATE (S) TO USE FOR THE DATA TRANSMISSION, STATION A OBTAINS CHANNEL STATE INFORMATION (CSI) INDICATIVE OF THE RECEIVED SIGNAL QUALITY FOR THE MIMO CHANNEL, E.G., RECEIVED SNRs OR "INITIAL" RATES. STATION A DETERMINES THE AGE OF THE CSI AND SELECTS ONE OR MORE "FINAL" RATES BASED ON THE CSI, THE AGE OF THE CSI, THE SELECTED TRANSMISSION MODE, AND POSSIBLY OTHER INFORMATION. STATION A PROCESSES DATA IN ACCORDANCE WITH THE SELECTED TRANSMISSION MODE AND FINAL RATE(S) AND TRANSMITS THE PROCESSED DATA TO STATION B. FIG. 1A
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公开(公告)号：AU2015377154A1
公开(公告)日：2017-03-30
申请号：AU2015377154
申请日：2015-10-21
Applicant: QUALCOMM INC
Inventor： LEE SOO BUM , CHERIAN GEORGE , PATIL ABHISHEK PRAMOD , ABRAHAM SANTOSH , MALINEN JOUNI
IPC: H04W12/06
Abstract: Systems, methods, and computer readable mediums for authenticating a device perform a method of receiving, at a second device, a first authentication protocol reauthentication response for the device, the authentication response including a reauthentication master session key (rMSK), transmitting, at the second device, a second first authentication protocol reauthentication response to a first access point based on the reauthentication master session key, generating, at the second device, a first pairwise master key (PMK) based on the reauthentication master session key, generating, at the second device, a key message to include the first pairwise master key, and transmitting, at the second device, the key message to the second access point.
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公开(公告)号：CA2715576C
公开(公告)日：2015-01-27
申请号：CA2715576
申请日：2006-10-17
Applicant: QUALCOMM INC
Inventor： ABRAHAM SANTOSH , NANDAGOPALAN SAISHANKAR , NANDA SANJIV
IPC: H04W28/10
Abstract: Flows admitted to a mesh node may be controlled through contention access parameters. The admitting node may determine a desired transmission opportunity duration, and a transmission opportunity frequency. Furthermore, the node may achieve the flow rate and delay bound requirements of the admitted flow based at least in part upon the desired transmission opportunity duration, and the transmission opportunity frequency. The data rate and the access frequency of the admitted node may be monitored at the physical access level. The flow rate requirement may be accomplished based at least in part upon an adjustment to the transmission opportunity duration. The delay bound requirement may be accomplished at least in part upon manipulation of the contention access parameters. The transmission opportunity duration and the access parameters may be determined by the upstream admitting nodes, which may reduce congestion near mesh portals, and accomplish increased data transfer.
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公开(公告)号：CA2607606C
公开(公告)日：2012-08-21
申请号：CA2607606
申请日：2006-05-09
Applicant: QUALCOMM INC
Inventor： MEYLAN ARNAUD , ABRAHAM SANTOSH , NANDA SANJIV
Abstract: Techniques for selecting rates for data transmission on eigenmodes of a MIMO channel are described. An access point transmits an unsteered MIMO pilot via the downlink. A user terminal estimates the downlink channel quality based on the downlink unsteered MIMO pilot and transmits an unsteered MIMO pilot and feedback information via the uplink. The feedback information is indicative of the downlink channel quality. The access point estimates the uplink channel quality and obtains a channel response matrix based on the uplink unsteered MIMO pilot, decomposes the channel response matrix to obtain eigenvectors and channel gains for the eigenmodes of the downlink, and selects rates for the eigenmodes based on the estimated uplink channel quality, the channel gains for the eigenmodes, and the feedback information. The access point processes data based on the selected rates and transmits steered data and a steered MIMO pilot on the eigenmodes with the eigenvectors.
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公开(公告)号：CA2624539C
公开(公告)日：2012-07-10
申请号：CA2624539
申请日：2006-10-17
Applicant: QUALCOMM INC
Inventor： ABRAHAM SANTOSH , NANDAGOPALAN SAISHANKAR , NANDA SANJIV
IPC: H04L12/56
Abstract: Flows admitted to a mesh node may be controlled through contention access parameters. The admitting node may determine a desired transmission opportunity duration, and a transmission opportunity frequency. Furthermore, the node may achieve the flow rate and delay bound requirements of the admitted flow based at least in part upon the desired transmission opportunity duration, and the transmission opportunity frequency. The data rate and the access frequency of the admitted node may be monitored at the physical access level. The flow rate requirement may be accomplished based at least in part upon an adjustment to the transmission opportunity duration. The delay bound requirement may be accomplished at least in part upon manipulation of the contention access parameters. The transmission opportunity duration and the access parameters may be determined by the upstream admitting nodes, which may reduce congestion near mesh portals, and accomplish increased data transfer.
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