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公开(公告)号:FI114431B
公开(公告)日:2004-10-15
申请号:FI962034
申请日:1996-05-13
Applicant: QUALCOMM INC
Inventor: PROPACH DAVID S , GROB MATTHEW S , JACOBS PAUL E , KARMI GADI
Abstract: In a method for minimizing a data bottleneck in a Low Data Rate Network (LDRN) (34), i.e. a facsimile network having a transmission rate less than the data rate of the facsimile machines serviced by the network, the LDRN (34) has a one-dimensional image data format and a two-dimensional image data format. The method comprises processing the facsimile transmissions in order to make the data rates of the LDRN and the FAX machines compatible, thereby minimizing any potential facsimile data bottlenecks that may occur in the LDRN due to its slower data rate. In the method, a first facsimile (FAX) machine (12) is set to the one-dimensional image data format; a data stream encoded in the one-dimensional image data format is sent (32) from the first FAX machine (12) to a first side of the LDRN (34); the data stream sent is uncompressed, and the uncompressed data stream is re-encoded into the two-dimensional image data format; the re-encoded data stream is transmitted from the first side of the LDRN (34) to a second side of the LDRN (34); the transmitted data stream is second uncompressed; the second uncompressed data stream is second re-encoded into the one-dimensional image data format; and the re-encoded data stream is second sent (36) from the second side of the LDRN (34) to a second FAX machine (16).
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公开(公告)号:DE69433987D1
公开(公告)日:2004-10-14
申请号:DE69433987
申请日:1994-11-15
Applicant: QUALCOMM INC
Inventor: PROPACH DAVID S , GROB MATTHEW S , JACOBS PAUL E , KARMI GADI
Abstract: In a method for minimizing a data bottleneck in a Low Data Rate Network (LDRN) (34), i.e. a facsimile network having a transmission rate less than the data rate of the facsimile machines serviced by the network, the LDRN (34) has a one-dimensional image data format and a two-dimensional image data format. The method comprises processing the facsimile transmissions in order to make the data rates of the LDRN and the FAX machines compatible, thereby minimizing any potential facsimile data bottlenecks that may occur in the LDRN due to its slower data rate. In the method, a first facsimile (FAX) machine (12) is set to the one-dimensional image data format; a data stream encoded in the one-dimensional image data format is sent (32) from the first FAX machine (12) to a first side of the LDRN (34); the data stream sent is uncompressed, and the uncompressed data stream is re-encoded into the two-dimensional image data format; the re-encoded data stream is transmitted from the first side of the LDRN (34) to a second side of the LDRN (34); the transmitted data stream is second uncompressed; the second uncompressed data stream is second re-encoded into the one-dimensional image data format; and the re-encoded data stream is second sent (36) from the second side of the LDRN (34) to a second FAX machine (16).
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公开(公告)号:CA2258029C
公开(公告)日:2004-06-08
申请号:CA2258029
申请日:1997-06-11
Applicant: QUALCOMM INC
Inventor: TIEDEMANN EDWARD G JR , KUDRIMOTI ABHIJIT , GROB MATTHEW S
IPC: H04L9/12 , H04B7/26 , H04J3/06 , H04L7/00 , H04L9/18 , H04Q7/32 , H04Q7/38 , H04L7/04 , H04Q7/22
Abstract: Synchronization and bit count integrity of a synchronous data stream is preserved end to end even as it is transmitted via a medium which does not preserve the synchronous nature of the synchronous data strea m. A terminal equipment unit (100) produces a constant rate bit stream which is provided to a communications unit (110). The communications unit (110) produces a first data frame comprising a first set of bits from the constant rate bit stream and a first length field value. A second data frame is produced which comprises a second set of bits from the constant rate bit stream and a second length field. A third data frame is produced which comprises a third set of bits from the constant rate bit stream and a third length field value. The first, second, and third data frames are transmitted to a base unit (118) which places the first set of bits from the first frame into a queue (150). A set of fill bits equal to the maximum number of bits contained in any frame is then placed into the queue (150). The base unit (118) then determines the number of bits in the second set of bits of the third data frame, based on the first length field value and the third length field value. The base unit (118) overwrites excess fill bits in the queue (150) with the third set of bits. The number of excess fill bits is equal to the difference between the maximum possible number of bits which may be contained in any frame and the number of bits in the secon d set of bits.
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64.
公开(公告)号:MY116907A
公开(公告)日:2004-04-30
申请号:MYPI9702477
申请日:1997-06-04
Applicant: QUALCOMM INC
Inventor: YU-DONG YAO , GROB MATTHEW S
Abstract: IN ORDER TO PREVENT DEADLOCK IN A DISPATCH SYSTEM WHEREIN A SET OF REMOTE UNITS COMMUNICATE WITH EACH OTHER BY BROADCASTING ONE AT A TIME TO THE GROUP, A BASE STATION RECEIVES A REQUEST TO BE A SYSTEM TALKER FROM A REMOTE UNIT. THE BASE STATION RECEIVES (102) A GRANT TO BE SYSTEM TALKER FOR THE REMOTE UNIT FROM A COMMUNICATIONS MANAGER. THE BASE STATION MONITORS A SERIES OF DATA FROM THE REMOTE UNIT TO DETECT VOICE ACTIVITY (106). THE BASE STATION SENDS TO THE COMMUNICATIONS MANAGER A SURROGATE REQUEST (134) TO DESIST AS THE SYSTEM TALKER FOR THE REMOTE UNIT IF THE VOICE ACTIVITY FALLS BELOW A THRESHOLD.
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公开(公告)号:NZ520681A
公开(公告)日:2004-02-27
申请号:NZ52068102
申请日:2002-06-13
Applicant: QUALCOMM INC
Inventor: BLACK PETER J , BENDER PAUL E , HINDERLING JURG K , HEATLEY CHARLES E , PADOVANI ROBERTO , GROB MATTHEW S , INDHUSHAYANA NAGABHUSHANA T
IPC: H04W40/16 , H04B1/7103 , H04B7/005 , H04L1/00 , H04L1/08 , H04L1/16 , H04L1/18 , H04L12/56 , H04L29/08 , H04W16/14 , H04W24/00 , H04W28/22 , H04W52/04 , H04W52/12 , H04W52/24 , H04W52/26 , H04W52/40 , H04W72/08 , H04Q7/22 , H04Q7/38
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 and the appropriate base station is selected and identified based on the best signal to interference ratio.
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公开(公告)号:CA2485616A1
公开(公告)日:2003-11-20
申请号:CA2485616
申请日:2003-05-13
Applicant: QUALCOMM INC
Inventor: REZAIIFAR RAMIN , BENDER PAUL E , BLACK PETER J , GROB MATTHEW S
Abstract: A control system (900, 1100) and various methods and apparatus for efficient communications of data across various protocol layers are disclosed. Generally, various aspects of the invention provide for efficient use of communication resources in a communication system (100) by efficiently controlling delay of a TCP acknowledgment message of reception of data from one communication protocol layer to another. Moreover, the delay of the TCP acknowledgment message and the message may be controlled to effect an efficient and consistent flow of data from a source end to a destination end , in particular, in case of encrypted communications.
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公开(公告)号:AU2003234568A1
公开(公告)日:2003-11-11
申请号:AU2003234568
申请日:2003-05-13
Applicant: QUALCOMM INC
Inventor: BENDER PAUL E , BLACK PETER J , GROB MATTHEW S , REZAIIFAR RAMIN
Abstract: A control system ( 900, 1100 ) and various methods and apparatus for efficient communications of data across various protocol layers are disclosed. Generally, various aspects of the invention provide for efficient use of communication resources in a communication system ( 100 ) by efficiently controlling delay of a TCP acknowledgment message of reception of data from one communication protocol layer to another. Moreover, the delay of the TCP acknowledgment message and the message may be controlled to effect an efficient and consistent flow of data from a source end to a destination end, in particular, in case of encrypted communications.
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公开(公告)号:CA2747242A1
公开(公告)日:2002-10-31
申请号:CA2747242
申请日:2002-04-17
Applicant: QUALCOMM INC
Inventor: BENDER PAUL E , GROB MATTHEW S , KARMI GADI , KIMBALL ROBERT H
IPC: H04L1/12 , H04W36/08 , H04B7/24 , H04L12/28 , H04L29/06 , H04W8/12 , H04W24/04 , H04W28/10 , H04W36/00 , H04W76/04 , H04W80/04 , H04W88/00 , H04W88/08 , H04W88/12 , 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:HK1038670A1
公开(公告)日:2002-03-22
申请号:HK02100007
申请日:2002-01-02
Applicant: QUALCOMM INC
Inventor: BENDER PAUL E , GROB MATTHEW S , KIMBALL ROBERT H , KARMI GADI
IPC: H04L12/56 , H04B7/26 , H04L12/28 , H04L12/46 , H04L29/06 , H04W36/08 , H04W80/04 , H04W88/08 , H04W88/12 , H04Q , H04L
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:ID28725A
公开(公告)日:2001-06-28
申请号:ID20010910
申请日:1999-09-22
Applicant: QUALCOMM INC
Inventor: GROB MATTHEW S , PADOVANI ROBERTO , BENDER PAUL , KIMBALL ROBERT H , HOAGLAND GREG M , KARMI GADI
Abstract: A communication system that allows a soft handoff to be completed, even when the communications link between the active base station and the mobile station deteriorates before the mobile station (101) has received the handoff direction message. The mobile station maintains a list of base stations that the mobile station (101) is in communication with, referred to as an "Active Set". In addition, the mobile station (101) maintains another list of base stations (300) that are proximate to the base stations (300) in the active set. This list is referred to as the "Neighbor Set". A memory within the mobile station (101) includes information that would allow the mobile station (101) to demodulate information transmitted from those base stations (300) on the neighbor set. In accordance with the disclosed method and apparatus, the mobile station (101) places a base station (300) in the active set upon including the base station (300) in a pilot strength measurement message (PSMM).
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