Early determination of network support for mobile IP

    公开(公告)号:NZ540542A

    公开(公告)日:2006-11-30

    申请号:NZ54054203

    申请日:2003-12-11

    Applicant: QUALCOMM INC

    Abstract: A method for early determination of network support for Mobile IP in a wireless communication system is disclosed. A mobile node is in communication with a wireless network. A test is then performed for a disconnect condition where the disconnect condition is an early indication of network non-support for Mobile IP as identified by at least a requirement for authentication. Early indication relates to identification of the non-support for Mobile IP prior to or during network packet connection. If the disconnect condition is found, the mobile node disconnects from the wireless network. If the disconnect condition is not found, the mobile node stays connected to the wireless network.

    Method and apparatus for handoff of a wireless packet data services connection

    公开(公告)号:AU2006203136A1

    公开(公告)日:2006-08-10

    申请号:AU2006203136

    申请日:2006-07-24

    Applicant: QUALCOMM INC

    Abstract: A novel method and apparatus is disclosed for performing seamless handoff of a mobile station (MS) between Radio Access Networks (RANs) that use different types of wireless interfaces. The described embodiments enable an MS to handoff between different RANs without causing routing ambiguity, and without substantial loss of network data. Upon moving from the coverage area of a first RAN using a first wireless interface to the coverage area of a second RAN using a second wireless interface, an MS determines whether routing ambiguity may result from the change of RAN and, based on the determination, triggers a re-registration of its network address. A foreign agent (FA) within a packet data serving node (PDSN) monitors network address re-registrations in order to determine whether multiple RAN-PDSN (R-P) connections are being created for the same MS. Based on this determination, the PDSN terminates redundant R-P network connections resulting from movement of the MS between different RANs.

    203.
    发明专利
    未知

    公开(公告)号:DE60113652T2

    公开(公告)日:2006-06-22

    申请号:DE60113652

    申请日:2001-01-09

    Applicant: QUALCOMM INC

    Inventor: ABROL NISCHAL

    Abstract: An improved method and system for terminating dormant mode wireless packet data sessions when a remote network node becomes inaccessible. A wireless subscriber station sends the wireless network a termination notification identifying a packet data session corresponding to a remote network node that has become inaccessible and should be terminated.

    METODO PARA MANTENIMIENTO Y APLICACIOHN SELECTIVAMENTE DE UNA COMPRESION PPP EN UN SISTEMA DE COMUNICACION POR CABLE.

    公开(公告)号:ES2248520T3

    公开(公告)日:2006-03-16

    申请号:ES02703359

    申请日:2002-02-06

    Applicant: QUALCOMM INC

    Abstract: Un método para mantener un estado de compresión y para aplicar una técnica de compresión después de una renegociación de protocolo punto a punto sobre una interfaz aérea Um de una red de comunicación inalámbrica, comprendiendo dicho método: recibir, en un dispositivo de comunicación (104, 106), datos empaquetados transmitidos desde un dispositivo terminal (102), dicho dispositivo terminal acoplado a dicho dispositivo de comunicación por medio de una interfaz interna (Rm); comprobar si dichos datos empaquetados recibidos comprenden datos comprimidos o descomprimidos y estando dicho método caracterizado por: determinar, en respuesta a comprobar que dichos datos empaquetados recibidos comprenden datos comprimidos, si la información de conexión que identifica el número de un intervalo de compresión en la entidad que realiza la descompresión (IWF) se incluye en dichos datos comprimidos y si dicho número supera un número máximo de intervalos de descompresión en la entidad que realiza la descompresión (IWF); y descomprimir, en respuesta a determinar que dicho número supera de dicho número máximo de intervalos de descompresión, dichos datos comprimidos empaquetados en un intervalo local de descompresión configurado en dicho dispositivo de comunicación (104, 106)

    206.
    发明专利
    未知

    公开(公告)号:BR0317175A

    公开(公告)日:2005-10-25

    申请号:BR0317175

    申请日:2003-12-10

    Applicant: QUALCOMM INC

    Abstract: To mitigate re-syncs, RLP sync control frames associated with a packet data session can be sequence numbered. A single sequence number can be assigned for an entire sync procedure associated with the initiation of a packet data session. For example, the sequence number can remains the same on all sync control frames (SYNC, SYNC/ACK, ACK) of a particular packet data session. When a sync frame is received out of order within a single sequence, it can be ignored under certain conditions. For example, if a SYNC frame with a sequence number 0 is received out of order after an ACK frame with sequence number 0 is received, the mobile station can ignore the out of order SYNC frame. Thus, an RLP re-sync is avoided due to out of order RLP sync packets.

    207.
    发明专利
    未知

    公开(公告)号:NO20053359L

    公开(公告)日:2005-07-11

    申请号:NO20053359

    申请日:2005-07-11

    Applicant: QUALCOMM INC

    Abstract: In a wireless communication system, a method for early determination of network support for Mobile IP is disclosed. A mobile node is in communication with a wireless network. Then a test is performed for a disconnect condition wherein the disconnect condition is an early indication of network non-support for Mobile IP as identified by at least a requirement for authentication. Early indication relates to identification of the non-support for Mobile IP prior to or during network packet connection. If the disconnect condition is found, the mobile node disconnects from the wireless network. If the disconnect condition is not found, the mobile node stays connected to the wireless network.

    An access terminal and a method for maintaining anip session for the access terminal at a radio net work

    公开(公告)号:HK1064245A1

    公开(公告)日:2005-01-21

    申请号:HK04106764

    申请日:2004-09-07

    Applicant: QUALCOMM INC

    Abstract: Techniques to maintain an IP session established via a first (e.g., HDR) radio network while being tuned to a second (e.g., cdma2000) radio network. During registration, configuration, and session establishment with the first and second radio networks, an access terminal may be respectively assigned first and second IP addresses for use during these sessions. If the access terminal leaves the first radio network, it can request that the IP session be maintained and provides a forwarding address. Thereafter, if the first radio network has data for the access terminal, it sends a "spoof" packet to the access terminal using the forwarding address. The spoof packet can indicate that there is data available for the access terminal. Upon receiving a communication (e.g., a page) from the second radio network in response to the spoof packet, the access terminal establishes a connection with the first radio network and receives the data.

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