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公开(公告)号:CA2619837C
公开(公告)日:2012-05-01
申请号:CA2619837
申请日:2006-08-16
Applicant: QUALCOMM INC
Inventor: ATTAR RASHID AHMED AKBAR , BHUSHAN NAGA , BLACK PETER JOHN , PANKAJ RAJESH K , ZHANG DANLU , WU QIANG , YAVUZ MEHMET , VANICHPUN SARUT , TOKGOZ YELIZ , GROB MATTHEW STUART
Abstract: Embodiments disclosed herein relate to methods and systems for providing adaptive server selection in wireless communications. An access terminal may be configured to determine a forward link quality metric associated with each of a plurality of sectors serviced by a plurality of access points; assign credits to each sector in relation to the forward link quality metric; and change a data source control (DSC) value if the credits accumulated for a non-serving sector at a DSC change boundary is greater than a predetermined threshold, where the non-serving sector and the serving sector for the access terminal belong to different cells. The access terminal may be further configured to change a data rate control (DRC) cover in accordance with the DSC change. The use of DSC may provide an early indication of handoff, thereby allowing the service outage associated with server switching to be substantially reduced.
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公开(公告)号:AT536718T
公开(公告)日:2011-12-15
申请号:AT10170126
申请日:2006-08-16
Applicant: QUALCOMM INC
Inventor: ATTAR RASHID AHMED AKBAR , BHUSHAN NAGA , BLACK PETER J , PANKAJ RAJESH K , ZHANG DANLU , WU QIANG , YAVUZ MEHMET , VANICHPUN SARUT , TOKGOZ YELIZ , GROB MATTHEW STUART
Abstract: Embodiments disclosed herein relate to methods and systems for providing adaptive server selection in wireless communications. In an embodiment, an access terminal is configured to determine a forward link quality metric associated with each of a plurality of sectors serviced by a plurality of access points; assign credits to each sector in relation to the forward link quality metric; and change a data source control (DSC) value if the credits accumulated for a non-serving sector at a DSC change boundary is greater than a predetermined threshold, where the non-serving sector and the serving sector for the AT belong to different cells. The access terminal is further configured to change a data rate control (DRC) cover in accordance with the DSC change. The use of DSC provides an early indication of handoff, thereby allowing the service outage associated with server switching to be substantially reduced. A method for handoff is further disclosed using DSC as early indication of handoff, which also trigger multitasking forward traffic for the access terminal to all access points.
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43.
公开(公告)号:CA2377060C
公开(公告)日:2010-08-10
申请号:CA2377060
申请日:2000-06-30
Applicant: QUALCOMM INC
Inventor: BENDER PAUL E , GROB MATTHEW STUART , KARMI GADI , PADOVANI ROBERTO
Abstract: Reverse link busy bits are independently generated by each base station (102, 104 and 106) and indicative of whether the transmitting base station (102, 104 and 106) has reached a reserve link capacity limit. In a first exemplary embodiment, the remote station (122) combines the multipath components of the reverse link busy bits from each of the transmitting base stations (102, 104 and 106) in its Active Set and in response transmits a reverse link signal only when all of the reverse link busy bits indicate that the base stations (102, 104 and 106) in the remote stations Active Set have reverse link capacity. In a first alternative embodiment, the remote station weights, the reverse link busy signals in accordance with the signal strength of the base station (102, 104 or 106) transmitting the busy signal and determines whether to transmit based on the weighted sum of the busy signals.
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公开(公告)号:ES2325182T3
公开(公告)日:2009-08-27
申请号:ES07002697
申请日:2000-06-30
Applicant: QUALCOMM INC
Inventor: BENDER PAUL E , GROB MATTHEW STUART , KARMI GADI , PADOVANI ROBERTO
Abstract: Un procedimiento de comunicación entre una estación (122) remota y una pluralidad de estaciones (102, 104, 106) base en una condición de transferencia flexible que comprende las etapas de: recepción de bits ocupados de enlace inverso desde las estaciones (102, 104, 106) base, indicando los bits ocupados de enlace inverso si la capacidad de enlace inverso de las correspondientes estaciones base se ha agotado; transmisión de una señal de enlace inverso cuando todos los bits de enlace inverso indican capacidad de enlace inverso; e inhibición de la transmisión de la señal de enlace inverso cuando cualquiera de los bits ocupados de enlace inverso indica que una estación (102, 104, 106) base ha alcanzado su capacidad de enlace inverso.
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公开(公告)号:ES2316385T3
公开(公告)日:2009-04-16
申请号:ES00965491
申请日:2000-09-27
Applicant: QUALCOMM INC
Inventor: KARMI GADI , GROB MATTHEW STUART , BENDER PAUL E
Abstract: Un sistema de comunicación de datos inalámbrico que comprende: un recurso compartido (100) que comprende un canal (500) para comunicaciones de datos inalámbricos, y una pluralidad de usuarios (120), comprendiendo cada usuario un dispositivo configurado para transmitir de forma inalámbrica a una estación de base que utilice un recurso compartido, caracterizado por tener cada usuario uno o más vectores (130), comprendiendo cada vector un conjunto de elementos de vector, correspondiendo cada elemento de vector a una tasa de uso entre un conjunto de tasas de uso disponibles y representando una probabilidad de utilizar la tasa de uso correspondiente, en el que cada tasa de uso es una tasa de transmisión de datos para que un usuario transmita los datos hasta una estación de base, en el que una tasa de uso efectiva del recurso compartido asignado a cada usuario se selecciona en base al conjunto de elementos de vector.
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公开(公告)号:HK1104627A1
公开(公告)日:2008-01-18
申请号:HK07109148
申请日:2007-08-22
Applicant: QUALCOMM INC
Inventor: KARMI GADI , GROB MATTHEW STUART , BENDER PAUL E
IPC: G06F9/50 , G06F17/10 , H04L12/56 , H04W20090101 , H04W28/18
Abstract: In a system including a resource (100) which is shared among a number of users, it is difficult to distribute the available capacity of the resources fairly among the users and still maximize resource utilization. Additionally, it is desirable to allow at least some of the control over usage rates to remain with the users, while at the same time avoiding situations where the resource is overloaded. A system and method are disclosed wherein usage rates are selected from among a set of available rates according to a set of persistence vectors.
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公开(公告)号:NO20034659A
公开(公告)日:2003-12-01
申请号:NO20034659
申请日:2003-10-17
Applicant: QUALCOMM INC
Inventor: BENDER PAUL E , GROB MATTHEW STUART , KIMBALL ROBERT H , KARMI GADI
IPC: H04L1/12 , H04B7/24 , H04L12/28 , H04L29/06 , H04W8/12 , H04W24/04 , H04W28/10 , H04W36/00 , H04W36/08 , H04W76/04 , H04W80/04 , H04W88/00 , H04W88/08 , H04W88/12 , H04W92/02 , H04W92/04 , H04W92/12 , H04L
CPC classification number: H04W48/20 , H04L12/2856 , H04L29/06 , H04W8/12 , H04W24/04 , H04W28/10 , H04W36/0011 , H04W36/08 , H04W48/17 , H04W74/00 , H04W76/20 , H04W80/04 , H04W88/005 , H04W88/08 , H04W88/12 , H04W88/14 , H04W92/02 , H04W92/04 , H04W92/12
Abstract: A mobile user terminal (402) accesses a packet data network (450) through one or more of several network access points (404-412). One or more control points 432-440 determines which network access point or points the user terminal is to access. Control may be retained in the current control point, or transferred to another control point, whenever it is convenient. There are preferably several routers, each having an associated home agent (418-420) which determines which foreign agents need to be accessed on behalf of each user terminal. There are several foreign agents (422-430), which forward packets received from a user terminal's home agent to the control point currently controlling communications with the user terminal.
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公开(公告)号:NO20072152A
公开(公告)日:2002-05-29
申请号:NO20072152
申请日:2007-04-25
Applicant: QUALCOMM INC
Inventor: GROB MATTHEW STUART , BENDER PAUL E , KARMI GADI
IPC: G06F13/00
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公开(公告)号:NO20021505L
公开(公告)日:2002-05-29
申请号:NO20021505
申请日:2002-03-26
Applicant: QUALCOMM INC
Inventor: PANKAJ RAJESH , GROB MATTHEW STUART , BENDER PAUL E
Abstract: When a resource of limited capacity is shared by several users, it is possible for the usage rates of the users to exceed the resource's capacity, thereby causing an overload condition. In a system or method according to an embodiment of the invention, at least some of the users have a set of persistence vectors. When an overload condition is detected, the usage rate of at least one of these users is changed, at least in part according to the user's set of persistence vectors.
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公开(公告)号:NO20075441L
公开(公告)日:2000-07-03
申请号:NO20075441
申请日:2007-10-26
Applicant: QUALCOMM INC
Inventor: WHEATLEY III CHARLES E , GROB MATTHEW STUART , BENDER PAUL E , PADOVANI ROBERTO , BLACK PETER J , HINDERLING JURG K , SINDHUSHAYANA NAGABHUSHANA T
IPC: H04L12/56 , H04W40/16 , H04B1/7103 , H04B7/005 , H04L1/00 , H04L1/08 , H04L1/16 , H04L1/18 , H04L29/08 , H04W16/14 , H04W24/00 , H04W28/12 , H04W28/22 , H04W36/04 , H04W52/04 , H04W52/12 , H04W52/24 , H04W52/26 , H04W52/40 , H04W72/08
Abstract: In a data communication system capable of variable rate transmission, high rate packet data transmission improves utilization of the forward link and decreases the transmission delay. Data transmission on the forward link is time multiplexed and the base station transmits at the highest data rate supported by the forward link at each time slot to one mobile station. The data rate is determined by the largest C/I measurement of the forward link signals as measured at the mobile station. Upon determination of a data packet received in error, the mobile station transmits a NACK message back to the base station. The NACK message results in retransmission of the data packet received in error. The data packets can be transmitted out of sequence by the use of sequence number to identify each data unit within the data packets.
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