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公开(公告)号:FI20080081A
公开(公告)日:2008-02-04
申请号:FI20080081
申请日:2008-02-04
Applicant: QUALCOMM INC
Inventor: TIEDEMANN JR EDWARD G , WEAVER JR LINDSAY A , JOU YU-CHEUN , BAYLEY GWAIN
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.
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公开(公告)号:BR0109694A
公开(公告)日:2006-08-29
申请号:BR0109694
申请日:2001-03-30
Applicant: QUALCOMM INC
Inventor: BAYLEY GWAIN
IPC: H04B1/707 , H04B1/7075 , H04B1/7115 , H04Q7/38
Abstract: A method and apparatus of adjusting a search window size by a remote unit in a slotted mode wireless communication system. In a slotted mode communication system, the remote unit is in an "active state" during its assigned slot. While in the active state the controller in a remote unit passes selected sets of search parameters to a search engine. The search engine performs searches on base stations using the selected sets of search parameters. One search parameter, the search window size, is adjusted in response to a measured signal strength of a first base station signal. The adjusted search window size is used by the remote unit when searching other base stations.
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公开(公告)号:DE69927140T2
公开(公告)日:2006-06-22
申请号:DE69927140
申请日:1999-03-16
Applicant: QUALCOMM INC
Inventor: BAYLEY GWAIN
Abstract: A method and circuit for adaptively determining a pilot signal reacquisition time. A searcher subsystem measures a phase of the pilot signal. A control processor measures a magnitude of a shift in the pilot signal phase, compares the measured magnitude to a shift threshold, and decreases the reacquisition time if the measured magnitude is not greater than the shift threshold. The control processor also may compare the reacquisition time to a minimum reacquisition time, and decrease the reacquisition time only if the reacquisition time is greater than the minimum reacquisition time. Additionally, the control processor may increase the reacquisition time to a maximum reacquisition time if the measured magnitude is greater than said shift threshold.
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公开(公告)号:ES2252937T3
公开(公告)日:2006-05-16
申请号:ES99911441
申请日:1999-03-16
Applicant: QUALCOMM INC
Inventor: BAYLEY GWAIN
Abstract: Un método para determinar de forma adaptativa un tiempo de adquisición de señal piloto tras un periodo durmiente, en lo sucesivo denominado como tiempo de readquisición, comprendiendo el método los pasos de: medir una magnitud de un desplazamiento en la fase de dicha señal piloto (202); comparar dicha magnitud medida con un umbral de desplazamiento (210); y reducir dicho tiempo de readquisición si dicha magnitud medida no es mayor que dicho umbral de desplazamiento (210, 216).
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公开(公告)号:DE69927140D1
公开(公告)日:2005-10-13
申请号:DE69927140
申请日:1999-03-16
Applicant: QUALCOMM INC
Inventor: BAYLEY GWAIN
Abstract: A method and circuit for adaptively determining a pilot signal reacquisition time. A searcher subsystem measures a phase of the pilot signal. A control processor measures a magnitude of a shift in the pilot signal phase, compares the measured magnitude to a shift threshold, and decreases the reacquisition time if the measured magnitude is not greater than the shift threshold. The control processor also may compare the reacquisition time to a minimum reacquisition time, and decrease the reacquisition time only if the reacquisition time is greater than the minimum reacquisition time. Additionally, the control processor may increase the reacquisition time to a maximum reacquisition time if the measured magnitude is greater than said shift threshold.
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76.
公开(公告)号:CA2206251C
公开(公告)日:2005-06-07
申请号:CA2206251
申请日:1995-11-29
Applicant: QUALCOMM INC
Inventor: BAYLEY GWAIN , TIEDEMANN EDWARD G JR , WEAVER LINDSAY A JR , JOU YU-CHEUN
Abstract: The invention provides a system and method for testing signal transmission quality wihin 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.
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公开(公告)号:MXPA02009421A
公开(公告)日:2003-04-10
申请号:MXPA02009421
申请日:2001-03-30
Applicant: QUALCOMM INC
Inventor: BAYLEY GWAIN
Abstract: Un metodo y un aparato para reducir el consumo promedio de energia en una unidad remota en un sistema de comunicacion inalambrica; cuando una unidad remota en un sistema de comunicacion de modo ranurado recibe un mensaje de localizacion general, este desinterpola y decodifica las muestras de datos sin. procesar; antes de reconocerlos, compara las muestras de datos decodificados con las muestras almacenadas en una memoria; con base en esta comparacion, la unidad remota determina si el mensaje esta vacio o no; si el mensaje esta vacio, la unidad remota se cambia a un estado inactivo; y al compararlo antes de reconocerlo, la unidad remota tiene la habilidad de conservar la energia ingresando en un estado inactivo muy pronto; si las muestras no son almacenadas en la memoria, en lugar de compararlas, la unidad remota reconoce el mensaje y ejecuta cualesquiera instrucciones; si al reconocerlo, la unidad remota determina que el mensaje esta vacio, por lo menos una porcion de dicho mensaje se almacena en la memoria.
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公开(公告)号:AU748928B2
公开(公告)日:2002-06-13
申请号:AU3008199
申请日:1999-03-16
Applicant: QUALCOMM INC
Inventor: BAYLEY GWAIN
Abstract: A method and circuit for adaptively determining a pilot signal reacquisition time. A searcher subsystem measures a phase of the pilot signal. A control processor measures a magnitude of a shift in the pilot signal phase, compares the measured magnitude to a shift threshold, and decreases the reacquisition time if the measured magnitude is not greater than the shift threshold. The control processor also may compare the reacquisition time to a minimum reacquisition time, and decrease the reacquisition time only if the reacquisition time is greater than the minimum reacquisition time. Additionally, the control processor may increase the reacquisition time to a maximum reacquisition time if the measured magnitude is greater than said shift threshold.
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公开(公告)号:AU5305701A
公开(公告)日:2001-10-15
申请号:AU5305701
申请日:2001-03-30
Applicant: QUALCOMM INC
Inventor: BAYLEY GWAIN
Abstract: A method of and an apparatus for reducing the average power consumption in a remote unit in a wireless communication system. When a remote unit in a slotted mode communication system receives a general paging massage, it deinterleaves and decodes the raw data samples. Prior to parsing, it compares the decoded data samples with samples stored in a memory. Based on this comparison, the remote unit determines whether or not the message is empty. If the message is empty, the remote unit transitions to an inactive state. By comparing before parsing, the remote unit is able to conserve power by entering the inactive state sooner. If no samples are stored in the memory, instead of comparing, the remote unit parses the message and executes any instructions. If, upon parsing, the remote unit determines the message to be empty, at least a portion of the message is stored in the memory.
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公开(公告)号:CA2404349A1
公开(公告)日:2001-10-11
申请号:CA2404349
申请日:2001-03-30
Applicant: QUALCOMM INC
Inventor: BAYLEY GWAIN
IPC: H04B1/707 , H04B1/7075 , H04B1/7115 , H04Q7/38
Abstract: A method and apparatus of adjusting a search window size by a remote unit in a slotted mode wireless communication system. In a slotted mode communication system, the remote unit is in an "active state" during its assigned slot. While in the active state the controller in a remote unit passes selected se ts of search parameters to a search engine. The search engine performs searches on base stations using the selected sets of search parameters (230). One search parameter, the search window size, is adjusted in response to a measured signal strength of a first base station signal (260). The adjusted search window size is used by the remote unit when searching other base stations (270).
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