公开(公告)号：MY145716A

公开(公告)日：2012-03-30

申请号：MYPI20061606

申请日：2006-04-07

Applicant: QUALCOMM INC

Inventor： CHRIS BENNETT ,  LO CHARLES N ,  KIRTI GUPTA ,  RANJITH JAYARAM ,  NAGARAJ THADI M ,  KENT WALKER GORDON

IPC: H04L29/06

Abstract: IN A COMMUNICATION SYSTEM (40) PROVIDING BROADCAST SERVICES IN WHICH FILES FOR BROADCAST ARE ACCESSIBLE BY THE USERS. CONTENTS OF THE BROADCAST FILES AND THE FILE ATTRIBUTES REQUIRED TO PROCESS THE BROADCAST FILES ARE SEPARATELY SENT. AS ARRANGED, RECEIVING THE FILE ATTRIBUTES AHEAD OF THE CONTENT FILES ALLOW MORE EFFICIENT DOWNLOAD AND PROCESSING OF THE BROADCAST FILES.

公开(公告)号：AU2004228400B2

公开(公告)日：2009-12-10

申请号：AU2004228400

申请日：2004-04-02

Applicant: QUALCOMM INC

Inventor： COLLINS BRUCE ,  NAGARAJ THADI M ,  JAIN NIKHIL

IPC: H04K1/00 ,  H04L9/32 ,  H04L29/06 ,  H04M3/16 ,  H04W8/02 ,  H04W12/02 ,  H04W12/06

Abstract: Shared secret data is used to authenticate and encrypt between a CDMA network and a GSM network such that a mobile station having a subscription in a GSM network can roam into a CDMA network and be authenticated to use the CDMA network and have messages encrypted without having a CDMA subscription. The goal of authenticating a GSM subscriber in a CDMA network using GSM authentication credentials is achieved by substituting a key Kc as SSD-A and messages are encrypted substituting Kc as SSD-B using a CAVE algorithm.

公开(公告)号：CA2565779A1

公开(公告)日：2005-11-17

申请号：CA2565779

申请日：2005-05-05

Applicant: QUALCOMM INC

Inventor： NAGARAJ THADI M

IPC: H04L1/00 ,  H04L1/16 ,  H04L1/18

Abstract: Methods and apparatus for optimum file transfers in a time-varying network environment. A method is provided for transmitting content in a data network. The method includes transmitting content at a selected transmission rate, and receiving one or more acknowledgement signals. The method also includes estimating a network delivery rate from the one or more acknowledgment signals, and adjusting the selected transmission rate of the content based on the network delivery rate.

公开(公告)号：AU2004314893A1

公开(公告)日：2005-08-11

申请号：AU2004314893

申请日：2004-12-08

Applicant: QUALCOMM INC

Inventor： CHEN AN MEI ,  CHANDHOK RAVINDER PAUL ,  NAGARAJ THADI M ,  JACOBS PAUL E ,  SAIDI BEN A

IPC: H04L12/26 ,  H04L12/18

Abstract: Methods and apparatus to optimize delivery of multicast content using probabilistic feedback. A method is provided for transmitting data from a server to a plurality of receiving terminals. The method includes transmitting the data from the server to the plurality of receiving terminals, and generating a random response value at each receiving terminal. The method also includes comparing the response value to an acknowledgement value at each receiving terminal, and transmitting an acknowledgment signal to the server from selected receiving terminals. The selected receiving terminals are a portion of the plurality of receiving terminals where the response value has a selected relationship to the acknowledgement value.

公开(公告)号：DK1882343T3

公开(公告)日：2019-07-29

申请号：DK06770411

申请日：2006-05-15

Applicant: QUALCOMM INC

Inventor： NAGARAJ THADI M ,  SILBERGER AMNON ,  COLLINS BRUCE ,  WALKER GORDON KENT ,  RAVEENDRAN VIJAYALAKSHMI R ,  LOUKAS SERAFIM S

IPC: H04L12/66 ,  H04L47/43 ,  H04L1/00

公开(公告)号：BRPI0718617A2

公开(公告)日：2014-02-25

申请号：BRPI0718617

申请日：2007-11-06

Applicant: QUALCOMM INC

Inventor： NAGARAJ THADI M

IPC: H03M13/11

Abstract: Methods and apparatus for encoding data in a communication network. In an aspect, a method is provided for coding data. The method includes generating one or more permutations of the data, determining weights associated with each permutation, calculating one or more code packets from each permutation based on the associated weights, and multiplexing the data and the one or more code packets into a code packet stream. In an aspect, an apparatus is provided for coding data. The apparatus includes permutation logic configured to generate one or more permutations of the data, and weight logic configured to determine weights associated with each permutation. The apparatus also includes processing logic configured to calculate one or more code packets from each permutation based on the associated weights, and a multiplexer configured to multiplex the data and the one or more code packets into a code packet stream.

公开(公告)号：CA2712992A1

公开(公告)日：2009-08-20

申请号：CA2712992

申请日：2009-02-13

Applicant: QUALCOMM INC

Inventor： KANNAN PRASANNA ,  CHEN AN MEI ,  NAGARAJ THADI M

IPC: H04L29/06 ,  G06F21/00 ,  H04L12/22 ,  H04N7/167

Abstract: Methods and apparatus for conditional access of non real-time (NRT) content in a distribution system. A method includes encrypting NRT content with a control word (CW) to generate encrypted NRT content, providing the CW to entitlement control message (ECM) generators, receiving ECMs from the ECM generators, wherein each ECM comprises a unique encryption of the CW to provide conditional access to the CW, and providing the encrypted NRT content and the ECMs for transmission over a distribution network. An apparatus includes a synchronizer configured to provide a CW to ECM generators and receive ECMs from the ECM generators, wherein each ECM comprises a unique encryption of the CW to provide conditional access to the CW, and a management module configured to encrypt the NRT content with the CW to generate encrypted NRT content and provide the encrypted NRT content and the ECMs for transmission over the distribution network.

公开(公告)号：AU2003225082B2

公开(公告)日：2009-02-19

申请号：AU2003225082

申请日：2003-04-22

Applicant: QUALCOMM INC

Inventor： JAIN NIKHIL ,  NAGARAJ THADI M

IPC: H04W4/12 ,  H04W28/10 ,  H04W88/18

Abstract: An apparatus and method of mapping a short message service (SMS) information from a first communications system to a corresponding message in a second, different cellular system is claimed. SMS information having a format required by the first communication system is received. The SMS information is mapped into a format required by the second communication system. Additional information is appended, if necessary, or information is removed as being extraneous information, if necessary, as required by the second communication system.

公开(公告)号：CA2667773A1

公开(公告)日：2008-05-29

申请号：CA2667773

申请日：2007-11-06

Applicant: QUALCOMM INC

Inventor： NAGARAJ THADI M

IPC: H03M13/11

Abstract: Methods and apparatus for encoding data in a communication network. In an aspect, a method is provided for coding data. The method includes generatin g one or more permutations of the data, determining weights associated with each permutation, calculating one or more code packets from each permutation based on the associated weights, and multiplexing the data and the one or m ore code packets into a code packet stream. In an aspect, an apparatus is pr ovided for coding data. The apparatus includes permutation logic configured to generate one or more permutations of the data, and weight logic configure d to determine weights associated with each permutation. The apparatus also includes processing logic configured to calculate one or more code packets f rom each permutation based on the associated weights, and a multiplexer conf igured to multiplex the data and the one or more code packets into a code pa cket stream.

公开(公告)号：AR059278A1

公开(公告)日：2008-03-19

申请号：ARP070100425

申请日：2007-01-31

Applicant: QUALCOMM INC

Inventor： SHAHEEN DEVARSHI ,  WALKER GORDON KENT ,  RAVEENDRAN VIJAYALAKSHMI R ,  MAGGENTI MARK ,  CROCKETT DOUGLAS M ,  SWAZEY SCOTT T ,  GUPTA BINITA ,  BHAMIDIPATI PHANIKUMAR ,  DALEY ROBERT S ,  DAHL STEN JORGEN ,  NAGARAJ THADI M ,  KAUSHIK VINOD

IPC: H04N7/26

Abstract: Técnicas para intercambiar informacion entre una pluralidad de modulos codificadores y un modulo de multiplexion para combinar segmentos de datos procedentes de los modulos codificadores con una calidad general mejorada. En particular, los modulos codificadores asocian sus respectivos segmentos de datos con informacion de calidad y velocidad, y envían por lo menos la informacion de calidad y velocidad asociada con los segmentos de datos, hacia el modulo de multiplexion. El modulo de multiplexion analiza la informacion de calidad y velocidad para determinar si los segmentos de datos que los modulos codificadores desean incluir en la supertrama actual calzan dentro del ancho de banda disponible de un canal de transmision. Si el modulo de multiplexion determina que la pluralidad de segmentos de datos no calza dentro del ancho de banda disponible, el modulo de multiplexion selecciona uno o más de los segmentos a ser redimensionados sobre la base de la informacion de calidad y velocidad recibida procedente de los modulos codificadores.