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    SYSTEMS AND METHODS FOR KEY MANAGEMENT FOR WIRELESS COMMUNICATIONS SYSTEMS
    162.
    发明专利
    SYSTEMS AND METHODS FOR KEY MANAGEMENT FOR WIRELESS COMMUNICATIONS SYSTEMS 未知

    公开(公告)号：CA2659959C

    公开(公告)日：2013-04-23

    申请号：CA2659959

    申请日：2007-08-24

    Applicant: QUALCOMM INC

    Inventor： NARAYANAN VIDYA ,  DONDETI LAKSHMINATH REDDY ,  AGASHE PARAG ARUN ,  BENDER PAUL E

    IPC: H04L29/06 ,  H04W12/04 ,  H04W36/00

    Abstract: A novel key management approach is provided for securing communication handoffs between an access terminal (118) and two access points (110,112). This approach provides for securely handing off communications between an access terminal and access point without risking exposure a master key for the access terminal. Temporary master keys (I-MK) are derived for low latency handoffs and secure authentication between a new access point (112) and the access terminal! In one aspect, a distributive key management scheme is provided in which a current access point (110) generates a new security key (based on its own security key) that is used by the next access point with which an access terminal communicates. In another aspect, a centralized key management scheme is provided in which a central authenticator (120) maintains, generates, and distributes new security keys (based on a master security key associated with the access terminal) to access points.

    165.
    发明专利
    未知

    公开(公告)号：BRPI0712412A2

    公开(公告)日：2012-08-14

    申请号：BRPI0712412

    申请日：2007-06-07

    Applicant: QUALCOMM INC

    Inventor： PRAKASH RAJAT ,  ULUPINAR FAITH ,  HORN GAVIN BERNARD ,  BENDER PAUL E

    IPC: H04L29/06 ,  H04L12/28 ,  H04W28/06 ,  H04W80/02

    Abstract: Methods and apparatus for tunneling packets between remote and serving Access points for delivery to an access terminal (AT) are described. Methods and apparatus for communicating control values and/or information in addition to information to be delivered to an AT over an airlink are also described. An AT uses the received control information to recover communicated packets. Some features support the use of various headers and/or indicators in the headers, e.g., RLP and/or Packet Correlation Protocol (PCP) headers, which may be used to control routing of communicated payloads to an RLP processing module corresponding to an AP which was the source of the communicated payload.

    166.
    发明专利
    未知

    公开(公告)号：BRPI0712319A2

    公开(公告)日：2012-02-22

    申请号：BRPI0712319

    申请日：2007-06-07

    Applicant: QUALCOMM INC

    Inventor： PRAKASH RAJAT ,  BENDER PAUL E ,  HORN GAVIN BERNARD ,  ULUPINAR FATIH

    IPC: H04L29/12 ,  H04L29/06 ,  H04W88/08

    Abstract: Methods and apparatus for communicating between an access terminal (AT) and a device serving the AT by way of an Access Point (AP) are described. In accordance with one feature serving devices may be assigned specific addresses which are interpreted based on the source of the communication, e.g., MAC packet, in which the address is used. Such addresses may be interpreted as being of a different type than other addresses which can be interpreted and/or used without taking into account the identity of the sender. In some embodiments Session Controllers and/or Internet Attachment Points (IAPs) are identified with such addresses. The address value is the same for one or more ATs but is interpreted at an AP receiving such the IAP address based on information corresponding to the AT which sent the packet including the IAP or Session Controller address.

    167.
    发明专利
    未知

    公开(公告)号：BRPI0712317A2

    公开(公告)日：2012-01-24

    申请号：BRPI0712317

    申请日：2007-06-07

    Applicant: QUALCOMM INC

    Inventor： HORN GAVIN BERNARD ,  ULUPINAR FATIH ,  BENDER PAUL E ,  PRAKASH RAJAT

    IPC: H04L12/56 ,  H04W28/26 ,  H04W36/08

    Abstract: A network function is configured to maintain a copy of a session state for an access terminal. The network function is further configured to query a session master to determine whether the session state has changed. The session master is configured to generate a response to the query that enables the network function to update the copy of the session state if the session state has changed. The access terminal may be configured to change the session state at a first network function and send a message to a second network function to indicate that the session state has been changed.

    168.
    发明专利
    未知

    公开(公告)号：BRPI0711906A2

    公开(公告)日：2012-01-03

    申请号：BRPI0711906

    申请日：2007-06-07

    Applicant: QUALCOMM INC

    Inventor： HORN GAVIN BERNARD ,  ULUPINAR FATIH ,  BENDER PAUL E ,  PRAKASH RAJAT

    IPC: H04L29/02 ,  H04W84/04 ,  H04W84/10

    Abstract: Apparatus, methods, and machine-readable medium wherein a global session state for communications between an access terminal and a plurality of network functions in the access network is maintained, and a local session state for communications between the access terminal and one of the network functions in the access network is also maintained.

    169.
    发明专利
    未知

    公开(公告)号：AT522986T

    公开(公告)日：2011-09-15

    申请号：AT05021841

    申请日：2001-02-07

    Applicant: QUALCOMM INC

    Inventor： BENDER PAUL E

    IPC: H04B7/005 ,  H04B7/26

    Abstract: A method of supervising on the forward link in a high data rate system is disclosed, wherein a base station transmits to an access terminal on a forward traffic channel only when the base station has data to send to the access terminal. Each access terminal generates periodic data rate measurements based on the received forward link signal. Each access terminal then minimizes the period in which it transmits on the reverse link without being power-controlled by turning off its transmitted based on the data rate measurements.

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