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公开(公告)号：CA2516442A1
公开(公告)日：2004-09-10
申请号：CA2516442
申请日：2004-02-12
Applicant: MOTOROLA INC
Inventor： AGRAWAL RAJEEV , BEDEKAR ANAND S , RANJAN RAJEEV
Abstract: A communication system that includes multiple nodes controls a flow of data from a first node of the multiple nodes to a second node of the multiple nodes without relying on an estimate of a rate at which data is drawn from a buffer of the second node and such that an overflow and an underflow of the buffer is avoided. The second node determines multiple flow control parameters, including a current occupancy (Q) of the buffer and an upper threshold (U) and a lower threshold (L) for an occupancy of the buffer and determines a desired data rate (r) based on the multiple flow control parameters. The desired data rate can be used to adjust a data rate for the flow of data. In another embodiment, the communication system further dynamically controls a rate at which flow control messages are conveyed by the second node to the first node.
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公开(公告)号：EP1829261A4
公开(公告)日：2010-09-29
申请号：EP05825546
申请日：2005-11-17
Applicant: MOTOROLA INC
Inventor： WANG MICHAEL M , AGRAWAL RAJEEV , BROWN TYLER A , CHEN XIANGYANG , SINGH AJOY K
IPC: H04L25/02
CPC classification number: H04L25/0202 , H04B1/712 , H04B2201/70701 , H04L25/0222
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公开(公告)号：CA2590022C
公开(公告)日：2011-08-23
申请号：CA2590022
申请日：2005-11-17
Applicant: MOTOROLA INC
Inventor： WANG MICHAEL M , AGRAWAL RAJEEV , BROWN TYLER A , CHEN XIANGYANG , SINGH AJOY K
Abstract: A method (1700) and apparatus (1801) provide channel estimation with extended bandwidth filters. Antenna (1813) receives a signal such as a pilot signal and detects a bandwidth associated with the pilot signal in a detector (320). One of a plurality of filters (603, 605, 607, and 609) including extended bandwidth filters (311) and a default filter (305) can be selected by a selector (617). If the detector detects activity associated with a wider bandwidth, the filter associated with the wider bandwidth is selected over the presently selected filter. If no activity is detected, the default filter is selected.
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公开(公告)号：GB2440705B
公开(公告)日：2009-12-02
申请号：GB0723245
申请日：2006-06-19
Applicant: MOTOROLA INC
Inventor： BEDEKAR ANAND S , AGRAWAL RAJEEV , GOPIKANTH VENKAT , KALYANASUNDARAM SURESH , VISHNU RAM O V
Abstract: A wireless access point (200), upon determining (101) that a need exists to support a communication need of a mobile station, acquires (102) a first Internet Protocol (IP) address and automatically transmits (103) a gratuitous Address Resolution Protocol message to a local router to thereby cause the latter to correlate the first IP address to a Medium Access Control address for the wireless access point. In a preferred embodiment the wireless access point can also automatically transmit a registration request to a remote network element (such as a Home Agent) that presents this first IP address as a care-of address to use in conjunction with another IP address that serves as a home address for the mobile station.
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公开(公告)号：DE112006001657T5
公开(公告)日：2008-05-08
申请号：DE112006001657
申请日：2006-06-19
Applicant: MOTOROLA INC
Inventor： BEDEKAR ANAND S , AGRAWAL RAJEEV , GOPIKANTH VENKAT , KALYANASUNDARAM SURESH , VISHNU RAM
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Patent Agency Ranking16.发明专利
公开(公告)号：GB2440886A
公开(公告)日：2008-02-13
申请号：GB0723247
申请日：2006-06-19
Applicant: MOTOROLA INC
Inventor： BEDEKAR ANAND S , AGRAWAL RAJEEV , GOPIKANTH VENKAT , KALYANASUNDARAM SURESH , VISHNU RAM O V
Abstract: A wireless access point (300A, 300B, 300C) provides (101) a surrogate Internet Protocol address to use on behalf of a mobile station (401). The wireless access point then uses (102) that surrogate Internet Protocol address along with its own Internet Protocol address to facilitate establishing one or more data tunnels as necessary to support the communication needs of the mobile station.
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公开(公告)号：CA2590022A1
公开(公告)日：2006-06-22
申请号：CA2590022
申请日：2005-11-17
Applicant: MOTOROLA INC
Inventor： BROWN TYLER A , WANG MICHAEL M , CHEN XIANGYANG , SINGH AJOY K , AGRAWAL RAJEEV
Abstract: A method (1700) and apparatus (1801) provide channel estimation with extended bandwidth filters. Antenna (1813) receives a signal such as a pilot signal and detects a bandwidth associated with the pilot signal in a detector (320). One of a plurality of filters (603, 605, 607, and 609) including extended bandwidth filters (311) and a default filter (305) can be selected by a selector (617). If the detector detects activity associated with a wider bandwidth, the filter associated with the wider bandwidth is selected over the presently selected filter. If no activity is detected, the default filter is selected.
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公开(公告)号：DE112006001655B4
公开(公告)日：2011-03-03
申请号：DE112006001655
申请日：2006-06-19
Applicant: MOTOROLA INC
Inventor： BEDEKAR ANAND S , AGRAWAL RAJEEV , GOPIKANTH VENKAT , KALYANASUNDARAM SURESH , VISHNU RAM O V
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19.发明专利
公开(公告)号：GB2440886B
公开(公告)日：2009-11-04
申请号：GB0723247
申请日：2006-06-19
Applicant: MOTOROLA INC
Inventor： BEDEKAR ANAND S , AGRAWAL RAJEEV , GOPIKANTH VENKAT , KALYANASUNDARAM SURESH , VISHNU RAM O V
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公开(公告)号：CA2516442C
公开(公告)日：2009-11-03
申请号：CA2516442
申请日：2004-02-12
Applicant: MOTOROLA INC
Inventor： AGRAWAL RAJEEV , BEDEKAR ANAND S , RANJAN RAJEEV
Abstract: A communication system (200) that includes multiple nodes (202, 210) control s a flow of data from a first node (202) to a second node (210) without relyin g on an estimate of a rate at which data is drawn from a buffer (216) of the second node and such that an overflow and an underflow of the buffer is avoided. The second node determines multiple flow control parameters, including a current occupancy (Q) of the buffer and an upper threshold (U) a nd a lower threshold (L) for an occupancy of the buffer and determines a desire d data rate (r) based on the multiple flow control parameters. The desired dat a rate can be used to adjust a data rate for the flow of data. In another embodiment, the communication system further dynamically controls a rate at which flow control messages are conveyed by the second node to the first nod e.
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