Method for connecting data flows

Claim 3

A method according to claim 1 , characterised in that at the access point ( 4 ), data transmission is conducted in the data link layer (L 2 ) and the physical layer (L 1 ).

Claim 4

A method according to claim 1 , characterised in that the packets of the data link layer (L 2 ) are formed of packets according to the Internet protocol.

Claim 5

A method according to claim 1 , characterized in that the packets of the radio flow are transferred as GPRS packets in the radio access network ( 2 ).

Claim 6

A method according to claim 1 , characterised in that the IP flow label (IPTAG) is defined in a centralised manner, preferably at the mobile IP router ( 5 , 5 ′, 5 ″).

Claim 7

A data transmission system comprising: 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).

Claim 8

A data transmission system comprising: 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).

Claim 9

A system according to claim 6 , characterized in that the access point ( 4 , 4 ′) comprises means ( 303 ) for examining the radio flow label (RFID) in packets of the wireless flow, and means ( 303 ) for searching the stored IP flow label (IPTAG) according to said radio flow label (RFID).

Claim 10

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, and means ( 4 , 4 ′, 5 , 5 ′, 5 ″) for connecting an IP flow label (IPTAG) to the packets of said second data communication, and wherein 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, 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).

Claim 11

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, and means ( 4 , 4 ′, 5 , 5 ′, 5 ″) for connecting an IP flow label (IPTAG) to the packets of said second data communication, and wherein 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, 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).