公开(公告)号：DE69535410D1

公开(公告)日：2007-04-12

申请号：DE69535410

申请日：1995-11-29

Applicant: QUALCOMM INC

Inventor： TIEDEMANN EDWARD G ,  JOU YU-CHEUN ,  WEAVER LINDSAY A ,  BAYLEY GWAIN

IPC: H04L1/00 ,  H04L1/24 ,  H04B3/46 ,  H04B7/26 ,  H04B17/00 ,  H04L1/12 ,  H04L1/20 ,  H04L27/00 ,  H04L69/40

Abstract: The invention provides a system and method for testing signal transmission quality within a digital communication system and may be incorporated within a digital cellular communication system in which information is exchanged over spread spectrum communication channels. A test sequence of digital data transmitted over the communication channel is received at a receiving station, within which is also generated a replica of the test sequence of digital data. The accuracy of transmission over the communication channel is then determined by comparing the replica of the test sequence of digital data to the test sequence of data received over the communication channel. The invention allows the test sequence of digital data to be transmitted at one of a set of known data rates, with the received station being disposed to identify the data rate associated with each test sequence of digital data. In order to simulate the transmission of, for example, voice data, the system may be configured such that each test sequence of digital data is generated in accordance with a pseudorandom process.

公开(公告)号：DE60217686D1

公开(公告)日：2007-03-08

申请号：DE60217686

申请日：2002-08-20

Applicant: QUALCOMM INC

Inventor： SINNARAJAH RAGULAN ,  WANG JUN ,  BENDER PAUL E ,  CHEN TAO ,  TIEDEMANN EDWARD G

IPC: H04B7/24 ,  H04L12/56 ,  H04H20/28 ,  H04H20/72 ,  H04H40/27 ,  H04H60/91 ,  H04L12/18 ,  H04L12/58 ,  H04W4/06 ,  H04W48/12 ,  H04W60/02 ,  H04W68/00 ,  H04W84/04

公开(公告)号：AT340448T

公开(公告)日：2006-10-15

申请号：AT01270021

申请日：2001-11-29

Applicant: QUALCOMM INC

Inventor： RAZOUMOV LEONID ,  LUNDBY STEIN A ,  HOLTZMAN JACK M ,  TIEDEMANN EDWARD G ,  ODENWALDER JOSEPH P

IPC: H04B1/7103 ,  H04B7/005 ,  H04L1/00 ,  H04L1/20 ,  H04W52/36

Abstract: A method for coherent estimation of the traffic-to-pilot energy ratio is presented. A received preamble is decoded (20), and then re-encoded (22). The received preamble is then multiplied by the re-encoded preamble (23). The results are summmed (24), squared (26), and then divided by a pilot energy value (28). In another method, a message (41) carrying energy information can be inserted between a subpacket preamble (40) and a subpacket (42).

公开(公告)号：CA2228744C

公开(公告)日：2005-06-21

申请号：CA2228744

申请日：1996-08-07

Applicant: QUALCOMM INC

Inventor： WEAVER LINDSAY A JR ,  GILHOUSEN KLEIN S ,  TIEDEMANN EDWARD G ,  BAYLEY GWAIN

IPC: H04W36/14 ,  H04Q7/36

Abstract: A method and apparatus for providing a reliable means to perform handoff fro m a code division multiple access (CDMA) system using a pilot signal to an alternative access technique system. Simple pilot box circuitry (350) is added to a set of border base stations (C2A-C2R). The border base stations are base stations (C2A-C2R) which operat e only in the alternative access technique and which have coverage areas which are contiguous with coverage areas of CDMA operation ba se stations (C1H-C1S). The mobile unit (10) monitors for the pilot signal from the border base stations (C2A-C2R) in the same manner as it monitors for pilot signals from the CDMA operation base stations (C1A-C1S). When the mobile unit (10) detects the pilot signal corresponding to a border base station (C2A-C2R), it notifies a system controller (202) in accordance with standard operation. The system controller (202) is aware that the pilot signal corresponds to a border base station and thus triggers a hand handoff process to the alternative access technique system in response thereto. The border base stations (C2A-C2R) use a time division duplex technique to monitor a pilot and synchronization sequence from a neighboring one of the CDMA operation base stations to obtain an estimate of absolute system time.

公开(公告)号：HK1015601A1

公开(公告)日：1999-10-15

申请号：HK99100400

申请日：1999-01-29

Applicant: QUALCOMM INC

Inventor： TIEDEMANN EDWARD G ,  KHAN IRFAN ,  HOLCMAN ALEJANDRO RAUL

IPC: H04H20/00 ,  H04M11/00 ,  H04W8/26

Abstract: A communications network and method for over the air service programming a mobile station (2), where the mobile station transmits a service programming request to a communications network, which results in the mobile station (2) being connected to a customer service center (26). Customer service center (26) queries the user of mobile station (2) for information in response to which the customer service center (26) selects a home location register (18) and authentication center (22) within the communication network with which the mobile station (2) is to be associated. Service programming information associated with the mobile station (2) is transferred from the home location register (18) and/or the authentication center (22) into mobile station (2).

公开(公告)号：CA2228744A1

公开(公告)日：1997-02-27

申请号：CA2228744

申请日：1996-08-07

Applicant: QUALCOMM INC

Inventor： GILHOUSEN KLEIN S ,  TIEDEMANN EDWARD G ,  WEAVER LINDSAY A JR ,  BAYLEY GWAIN

IPC: H04W36/14 ,  H04Q7/36

Abstract: A method and apparatus for providing a reliable means to perform handoff from a code division multiple access (CDMA) system using a pilot signal to an alternative access technique system. Simple pilot box circuitry (350) is added to a set of border base stations (C2A-C2R). The border base stations are base stations (C2A-C2R) which operate only in the alternative access technique and which have coverage areas which are contiguous with coverage areas of CDMA operation base stations (C1H-C1S). The mobile unit (10) monitors for the pilot signal from the border base stations (C2A-C2R) in the same manner as it monitors for pilot signals from the CDMA operation base stations (C1A-C1S). When the mobile unit (10) detects the pilot signal corresponding to a border base station (C2A-C2R), it notifies a system controller (202) in accordance with standard operation. The system controller (202) is aware that the pilot signal corresponds to a border base station and thus triggers a hard handoff process to the alternative access technique system in response thereto. The border base stations (C2A-C2R) use a time division duplex technique to monitor a pilot and synchronization sequence from a neighboring one of the CDMA operation base stations to obtain an estimate of absolute system time.

公开(公告)号：ES2565221T3

公开(公告)日：2016-04-01

申请号：ES10159364

申请日：2003-10-27

Applicant: QUALCOMM INC

Inventor： TIEDEMANN EDWARD G ,  WEI YONGBIN ,  GHOLMIEH AZIZ ,  CHEN TAO

IPC: H03M13/37 ,  H04B7/005 ,  H04B7/02 ,  H04L1/00 ,  H04L1/06 ,  H04W52/34 ,  H04W52/40

Abstract: Un procedimiento de transmisión de bits en un sistema de comunicación inalámbrica de punto a multi-punto (100), comprendiendo el procedimiento: codificar, en un codificador (412) que acepta un bloque de bits de longitud S, un flujo de bits de información a transmitir, dando como resultado un bloque codificado de longitud N >= S + R, donde R indica el número de bits redundantes, dividir (414) el bloque original de N bits codificados en un primer subconjunto y un segundo subconjunto, a fin de aumentar la fiabilidad de la entrega de mensajes, combinando (446) los subconjuntos transmitidos primero y segundo después de la demodulación (442) y antes de la descodificación (450), en el que el primer subconjunto es igual a los primeros K bits del bloque original de N bits codificados, en el que el segundo subconjunto de bits es igual a los últimos L bits del bloque original de N bits codificados, en el que K, L

公开(公告)号：BRPI0820281A2

公开(公告)日：2015-05-26

申请号：BRPI0820281

申请日：2008-11-25

Applicant: QUALCOMM INC

Inventor： NANDA SANJIV ,  TIEDEMANN EDWARD G ,  YAVUZ MEHMET

IPC: H04W16/16

公开(公告)号：ES2433592T3

公开(公告)日：2013-12-11

申请号：ES10010367

申请日：1997-12-19

Applicant: QUALCOMM INC

Inventor： ODENWALDER JOSEPH P ,  ANTONIO FRANKLIN P ,  TIEDEMANN EDWARD G ,  JOU YU-CHEUN

IPC: H04J13/00 ,  H04B1/707 ,  H04B7/26 ,  H04J11/00 ,  H04L20060101 ,  H04L1/00

Abstract: Un procedimiento de transmisión de múltiples flujos de símbolos, que comprende: generar un conjunto de códigos de canal; modular un primer conjunto de flujos de símbolos de velocidad media, usando el conjunto de códigos de canalgenerar un conjunto suplementario de códigos de canal; modular un flujo de símbolos de alta velocidad y un segundo conjunto de flujos de símbolos de velocidad media,usando el conjunto suplementario de códigos de canal; ajustar una ganancia de canal de dicho flujo de símbolos de alta velocidad, de cada uno de dicho primer conjunto deflujos de símbolos de velocidad media y de cada uno de dicho segundo conjunto de flujos de símbolos de velocidadmedia; transmitir el primer conjunto de flujos de símbolos de velocidad media por un conjunto en fase de canales develocidad media transmitir el flujo de símbolos de alta velocidad por un subconjunto de un conjunto de fase de cuadratura de canalesde velocidad media; y transmitir el segundo conjunto de flujos de símbolos de velocidad media por otro subconjunto del conjunto de fase decuadratura de canales de velocidad media, en el que el conjunto de fase de cuadratura de canales de velocidadmedia es ortogonal al conjunto en fase de canales de velocidad media, en el que los conjuntos en fase y de fase decuadratura de canales de velocidad media son transmitidos en la misma frecuencia portadora.

公开(公告)号：ES2395766T3

公开(公告)日：2013-02-14

申请号：ES10170637

申请日：2000-07-20

Applicant: QUALCOMM INC

Inventor： JOU YU-CHEN ,  WADSWORTH PHILIP R ,  ROUSE THOMAS R ,  TIEDEMANN EDWARD G

IPC: H04W24/00 ,  H01L23/485 ,  H01L23/532 ,  H04B7/216 ,  H04B17/00 ,  H04L1/20 ,  H04W28/04 ,  H04W36/08 ,  H04W48/20 ,  H04W52/02 ,  H04W72/08 ,  H04W76/04 ,  H04W88/02

Abstract: Un procedimiento de supervisión de un canal de control dedicado, transmitido en una modalidad de transmisióndiscontinua a una estación móvil (4), comprendiendo el procedimiento: rastrear un tipo de trama entre tramas recibidas en una transmisión, donde las tramas comprenden tramasmalas, tramas buenas y tramas vacías; contar un número de tramas vacías recibidas; e inhabilitar un medio transmisor (232) de la estación móvil (4) cuando se recibe un número umbral de tramasvacías.