Method for connecting data flows
First Claim
Patent Images
1. A method in packet data transmission between a wireless terminal (MT) and a mobile IP router (5, 5′
- , 5″
) having data communication with a data network utilising the Internet protocol (IP), in which method a first data communication is formed between the wireless terminal (MT) and an access point (4, 4′
) and a second data communication between the access point (4, 4′
) and the mobile IP router (5, 5′
, 5″
) for transferring IP flows between the wireless terminal (MT) and the mobile IP router (5, 5′
, 5″
), and which first data communication is a wireless data communication, characterized in that in the method an IP flow filter (IPVS) is defined for at least one IP flow for the identification of the IP flow, a radio flow label (RFID) and an IP flow label (IPTAG) are defined for a wireless flow corresponding to said IP flow, wherein said radio flow label (RFID) is connected to the packets of said first data communication, and said IP flow label (IPTAG) is connected to the packets of said second data communication; and
wherein the IP flow label (IPTAG) of the IP flow and the radio flow label (RFID) of the radio flow corresponding thereto is stored at the access point; and
the data transmission is divided into at least a network layer (L3), a data link layer (L2) and a physical layer (L1), wherein the IP flow label (IPTAG) is added to the packets of the network layer (L3).
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Abstract
The invention relates to a method for supporting the quality of service (QoS) in packet data transmission between a wireless terminal (MT), having data communication with a radio access network, and a data network (LN), in which method data transmission between the terminal (MT) and the radio access network (2) is controlled by at least one mobile IP router (5, 5′, 5″). Further, in the method data is transmitted in radio flows between the wireless terminal (MT) and the mobile IP router (5, 5′, 5″). In the method, a flow label is defined for at least one radio flow and the desired quality of service is defined for the radio flow.
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Citations
8 Claims
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1. A method in packet data transmission between a wireless terminal (MT) and a mobile IP router (5, 5′
- , 5″
) having data communication with a data network utilising the Internet protocol (IP), in which method a first data communication is formed between the wireless terminal (MT) and an access point (4, 4′
) and a second data communication between the access point (4, 4′
) and the mobile IP router (5, 5′
, 5″
) for transferring IP flows between the wireless terminal (MT) and the mobile IP router (5, 5′
, 5″
), and which first data communication is a wireless data communication, characterized in that in the method an IP flow filter (IPVS) is defined for at least one IP flow for the identification of the IP flow, a radio flow label (RFID) and an IP flow label (IPTAG) are defined for a wireless flow corresponding to said IP flow, wherein said radio flow label (RFID) is connected to the packets of said first data communication, and said IP flow label (IPTAG) is connected to the packets of said second data communication; andwherein the IP flow label (IPTAG) of the IP flow and the radio flow label (RFID) of the radio flow corresponding thereto is stored at the access point; and
the data transmission is divided into at least a network layer (L3), a data link layer (L2) and a physical layer (L1), wherein the IP flow label (IPTAG) is added to the packets of the network layer (L3). - View Dependent Claims (2, 3, 4, 5)
- , 5″
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6. A data transmission system comprising:
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at least one wireless terminal (MT);
at least one mobile IP router (5, 5′
, 5″
);
an access point (4, 4′
) for transmitting data as packet data transfer between the wireless terminal (MT) and the mobile IP router (5, 5′
, 5″
);
means (401, 402) for forming a first data communication between the wireless terminal (MT) and the access point (4, 4′
) and means (403, 404) for forming a second data communication between the access point (4, 4′
) and the mobile IP router (5, 5′
, 5″
) for transferring IP flows between said wireless terminal (MT) and said mobile IP router (5, 5′
, 5″
);
characterized in that the system further comprises;
means (5, 5′
, 5″
) for defining an IP flow filter (IPVS) for at least one IP flow for the identification of the IP flow;
means (MT, 5, 5′
, 5″
) for defining a radio flow label (RFID) for the radio flow corresponding to said IP flow;
means (5, 5′
, 5″
) for defining an IP flow label (IPTAG) for said IP flow;
means (MT, 4, 4′
) for connecting a radio flow label (RFID) to the packets of said first data communication;
means (4, 4′
, 5, 5′
, 5″
) for connecting an IP flow label (IPTAG) to the packets of said second data communication;
wherein the access point (4, 4′
) comprises means (303) for storing the IP flow label of IP flow (IPTAG) and the radio flow label (RFID) of radio flow corresponding thereto; and
means (303) for examining the IP flow label (IPTAG) from the IP flow packets, and means (303) for searching the stored radio flow label (RFID) according to said IP flow label (IPTAG). - View Dependent Claims (7)
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8. An access point (4, 4′
- ) comprising means (401, 402) for forming the first data communication between the wireless terminal (MT) and the access point (4, 4′
) and means (403, 404) for forming the second data communication between the access point (4, 4′
) and the mobile IP router (5, 5′
, 5″
) for transmitting IP flows as a packet data transmission between the wireless terminal (MT) and the mobile IP router (5, 5′
, 5″
), characterised in that the access point (4, 4′
) further comprises;means (5, 5′
, 5″
) for at least one IP flow for identification of the IP flow for reception of the defined IP flow filter (IPVS),means (MT, 5, 5′
, 5″
) for the reception of the radio flow label (RFID) defined for the radio flow corresponding to said IP flow,means (5, 5, 5″
) for defining an IP flow label (IPTAG) for said IP flow, andmeans (4, 4′
, 5, 5′
, 5″
) for connecting an IP flow label (IPTAG) to the packets of said second data communication, andwherein the access point (4, 4′
) further comprises means (303) for storing the IP flow label of IP flow (IPTAG) and the radio flow label (RFID) of radio flow corresponding thereto, andmeans (303) for examining the IP flow label (IPTAG) from the IP flow packets, and means (303) for searching the stored radio flow label (RFID) according to said IP flow label (IPTAG).
- ) comprising means (401, 402) for forming the first data communication between the wireless terminal (MT) and the access point (4, 4′
Specification
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Current AssigneeNokia Mobile Phones UK Limited (Nokia Corporation)
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Original AssigneeNokia Mobile Phones UK Limited (Nokia Corporation)
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InventorsMikkonen, Jouni
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Primary Examiner(s)Vu, Huy D.
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Assistant Examiner(s)PHAN, MAN U
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Application NumberUS09/281,569Time in Patent Office1,554 DaysField of Search370/244, 370/246, 370/248, 370/338, 370/356, 370/390, 370/392, 370/395, 370/397, 370/399, 370/409, 370/420, 709/223, 709/238, 709/243, 709/232, 709/228, 455/433, 455/466, 455/445, 455/560US Class Current370/356CPC Class CodesH04M 1/2535 adapted for voice communica...H04M 1/724 User interfaces specially a...H04W 76/20 Manipulation of established...H04W 80/04 Network layer protocols, e....H04W 92/02 Inter-networking arrangementsH04W 92/24 between backbone network de...
