-
公开(公告)号：SG173240A1
公开(公告)日：2011-08-29
申请号：SG2010007557
申请日：2006-01-31
Applicant: QUALCOMM INC
Inventor： JOSHI ABHAY A , REZAIIFAR RAMIN , TURNER SIMON
Abstract: TECHNIQUES FOR ACCESSING A WIRELESS COMMUNICATION SYSTEMWITH TUNE-AWAY CAPABILITYTo access a first communication system, a terminal determines a transmission time for anaccess probe, an expected response time from the system, and a protected time intervalbased on the transmission time and/or expected response time. The terminal determines astarting time for sending the access probe such that the protected time interval does notoverlap a tune-away interval in which the terminal is to monitor anther frequency/air-interface. This starting time may be set initially to the end of a prior access probe plus apseudo-random wait duration and may be advanced forward or moved backward in time,if needed, by a time duration selected such that the protected time interval does notoverlap the tune-away interval.Figure 8
-
公开(公告)号：AU2003287281A1
公开(公告)日：2004-06-07
申请号：AU2003287281
申请日：2003-10-29
Applicant: QUALCOMM INC
Inventor： JOSHI ABHAY A , HUTCHISON JAMES A , BLACK PETER J , TURNER SIMON , EKVETCHAVIT THUNYACHATE
Abstract: Techniques to efficiently attempt acquisition of a packet data system (e.g., an IS-856 system). If a terminal has acquired one or more channels in a voice/data system (e.g., an IS-2000 system), then it can attempt acquisition on channels in the packet data system that are co-located with the acquired channels in the voice/data system. Multiple acquisition modes may be used, and on-going acquisition attempts on the co-located channels may be performed using one acquisition mode at a time in order to reduce power consumption. Acquisition attempts may be performed in a “ping-pong” manner to improve the likelihood of acquisition. For a ping-pong search, an acquisition attempt is made on the most recently acquired channel prior to an acquisition attempt on each of the remaining channels. Received signal strength estimates may also be obtained for selected channels and may be used to determine whether or not to attempt acquisition on these channels.
-
公开(公告)号：BRPI0606890A2
公开(公告)日：2009-07-21
申请号：BRPI0606890
申请日：2006-01-31
Applicant: QUALCOMM INC
Inventor： JOSHI ABHY A , REZAIIFAR RAMIN , TURNER SIMON
Abstract: To access a first communication system, a terminal determines a transmission time for an access probe, an expected response time from the system, and a protected time interval based on the transmission time and/or expected response time. The terminal determines a starting time for sending the access probe such that the protected time interval does not overlap a tune-away interval in which the terminal is to monitor anther frequency/air-interface. This starting time may be set initially to the end of a prior access probe plus a pseudo-random wait duration and may be advanced forward or moved backward in time, if needed, by a time duration selected such that the protected time interval does not overlap the tune-away interval.
-
4.发明专利
公开(公告)号：ES2660436T3
公开(公告)日：2018-03-22
申请号：ES06720356
申请日：2006-01-31
Applicant: QUALCOMM INC
Inventor： REZAIIFAR RAMIN , JOSHI ABHAY , TURNER SIMON
Abstract: Un aparato (130) capaz de comunicarse con al menos un primer sistema de comunicación y un segundo sistema de comunicación, multiplexando por división del tiempo un único receptor, comprendiendo el aparato (130) un receptor (938) y un controlador (940), donde el controlador (940) está configurado para: determinar (814) un intervalo de tiempo total protegido para que una solicitud de acceso sea enviada al primer sistema de comunicación, en donde el intervalo de tiempo total protegido es un intervalo de tiempo en el que el receptor (938) está sintonizado con el primer sistema de comunicación, y un tiempo de respuesta esperada para un acuse de recibo, desde el primer sistema de comunicación, para la solicitud de acceso, determinar (816) un tiempo de inicio para enviar la solicitud de acceso de modo que el intervalo de tiempo total protegido no se solape con un intervalo de desconexión, en donde el tiempo de inicio se adelanta o se atrasa en el tiempo, en un lapso seleccionado de modo que el intervalo de tiempo total protegido no se superponga con el intervalo de desconexión; el intervalo de desconexión es un intervalo de tiempo en el que el receptor (938) se desconecta del primer sistema de comunicación para la supervisión de la paginación en el segundo sistema de comunicación, e iniciar el envío (818) de la solicitud de acceso al primer sistema de comunicación a la hora de inicio.
-
公开(公告)号：AU2003217857A1
公开(公告)日：2003-09-09
申请号：AU2003217857
申请日：2003-02-27
Applicant: QUALCOMM INC
Inventor： ABROL NISCHAL , LIN JIAN , PAN HANFANG , TURNER SIMON
Abstract: An HDLC accelerator includes a deframer and framer to respectively accelerate the deframing and framing processes for PPP packets. The deframer includes an input interface unit, a detection unit, a conversion unit, and an output interface unit. The input interface unit receives a packet of data to be deframed. The detection unit evaluates each data byte to detect for special bytes (e.g., flag, escape, and invalid bytes). The conversion unit deframes the received data by removing flag and escape bytes, “un-escaping” the data byte following each escape byte, providing a header word for each flag byte, and checking each deframed packet based on a frame check sequence (FCS) value associated with the packet. The output interface unit provides deframed data and may further perform byte alignment in providing the deframed data. A state control unit provides control signals indicative of specific tasks to be performed for deframing.
-
Patent Agency Ranking
公开(公告)号：AU2003217395A1
公开(公告)日：2003-09-04
申请号：AU2003217395
申请日：2003-02-11
Applicant: QUALCOMM INC
Inventor： TURNER SIMON
Abstract: A hybrid access terminal is a Wireless Communication Device (WCD) capable of operating over different types of communication networks. An exemplary WCD operates on both IS-2000 and IS-856 networks, and is capable of inter-system handoffs between these two types of networks. Such capabilities enable the exemplary WCD to provide voice, data and short messaging services on IS-2000 networks, and also to provide high speed packet data service on IS-856 networks. A method of operating on different networks includes establishing a data session on the first network, detecting a request for a packet data service, handing-off the data session to a second network, detecting a dormancy of the data session, transitioning to a dormant state and initiating a Dormancy time-out period when the dormancy is detected, and monitoring both the first network and the second network for paging messages while in the dormant state.
-
7.发明专利
公开(公告)号：MXPA05000099A
公开(公告)日：2005-06-06
申请号：MXPA05000099
申请日：2003-06-26
Applicant: QUALCOMM INC
Inventor： TURNER SIMON
Abstract: Tecnicas para desarrollar hibernacion basada en sincronizador para extender el tiempo de hibernacion, y por lo tanto, la duracion de la bateria para una terminal en un sistema de comunicacion inalambrica: la probabilidad del trafico de datos se puede relacionar con el uso reciente; si el uso reciente indica que el trafico de datos es improbable, entonces la terminal puede continuar para mantener el vinculo, pero escudrinando las senales del sistema a una velocidad reducida; en un metodo, se calcula inicialmente (514) la probabilidad del trafico de datos para fa terminal (por ejemplo, basado en tiempo desde la ultima actividad y en un modelo de uso particular) ; entonces se determina un valor de sincronizador basado en la probabilidad estimada del trafico de datos (516) ; el valor del sincronizador se puede modificar con base en un evento, que se puede relacionar con el mantenimiento del vinculo, la conmutacion o transferencia a otra base, y asi sucesivamente (518) ; entonces se desarrolla la latencia para la duracion correspondiente al valor de sincronizador modificado o sin modificar (520) y se puede extender mas alla de las ranuras de envio de mensajes designadas.
-
公开(公告)号：BR0307556A
公开(公告)日：2005-05-10
申请号：BR0307556
申请日：2003-02-11
Applicant: QUALCOMM INC
Inventor： TURNER SIMON
Abstract: A hybrid access terminal is a Wireless Communication Device (WCD) capable of operating over different types of communication networks. An exemplary WCD operates on both IS-2000 and IS-856 networks, and is capable of inter-system handoffs between these two types of networks. Such capabilities enable the exemplary WCD to provide voice, data and short messaging services on IS-2000 networks, and also to provide high speed packet data service on IS-856 networks. A method of operating on different networks includes establishing a data session on the first network, detecting a request for a packet data service, handing-off the data session to a second network, detecting a dormancy of the data session, transitioning to a dormant state and initiating a Dormancy time-out period when the dormancy is detected, and monitoring both the first network and the second network for paging messages while in the dormant state.
-
公开(公告)号：AU2003287281A8
公开(公告)日：2004-06-07
申请号：AU2003287281
申请日：2003-10-29
Applicant: QUALCOMM INC
Inventor： HUTCHISON JAMES A , EKVETCHAVIT THUNYACHATE , TURNER SIMON , JOSHI ABHAY A , BLACK PETER J
Abstract: Techniques to efficiently attempt acquisition of a packet data system (e.g., an IS-856 system). If a terminal has acquired one or more channels in a voice/data system (e.g., an IS-2000 system), then it can attempt acquisition on channels in the packet data system that are co-located with the acquired channels in the voice/data system. Multiple acquisition modes may be used, and on-going acquisition attempts on the co-located channels may be performed using one acquisition mode at a time in order to reduce power consumption. Acquisition attempts may be performed in a “ping-pong” manner to improve the likelihood of acquisition. For a ping-pong search, an acquisition attempt is made on the most recently acquired channel prior to an acquisition attempt on each of the remaining channels. Received signal strength estimates may also be obtained for selected channels and may be used to determine whether or not to attempt acquisition on these channels.
-
公开(公告)号：AU2003217857A8
公开(公告)日：2003-09-09
申请号：AU2003217857
申请日：2003-02-27
Applicant: QUALCOMM INC
Inventor： ABROL NISCHAL , TURNER SIMON , LIN JIAN , PAN HANFANG
Abstract: An HDLC accelerator includes a deframer and framer to respectively accelerate the deframing and framing processes for PPP packets. The deframer includes an input interface unit, a detection unit, a conversion unit, and an output interface unit. The input interface unit receives a packet of data to be deframed. The detection unit evaluates each data byte to detect for special bytes (e.g., flag, escape, and invalid bytes). The conversion unit deframes the received data by removing flag and escape bytes, “un-escaping” the data byte following each escape byte, providing a header word for each flag byte, and checking each deframed packet based on a frame check sequence (FCS) value associated with the packet. The output interface unit provides deframed data and may further perform byte alignment in providing the deframed data. A state control unit provides control signals indicative of specific tasks to be performed for deframing.
-
-
-
-
-
-
-
-
-
Search Results
18
records
(took 0.022 seconds)
