Mobile internet access

• US 6,618,592 B1
• Filed: 03/23/2000
• Issued: 09/09/2003
• Est. Priority Date: 03/31/1999
• Status: Expired due to Term

• Current Assignee: Telefonaktiebolaget LM Ericsson
• Original Assignee: Telefonaktiebolaget LM Ericsson
• Inventors: Vilander, Harri Tapani, Nordman, Tom Mikael
• Primary Examiner(s): VUONG, QUOCHIEN B
• Application Number:
  US09/534,115
• Time in Patent Office: 1,265 Days
• Field of Search: 455/414, 455/435, 455/445, 455/450, 455/451, 455/452, 370/252, 370/351, 370/392, 370/409, 370/475
• US Class Current: 455/452.1
• CPC Class Codes: H04L 61/00 Network arrangements, protocols or services for addressing or naming
• CPC Class Codes: H04L 61/50 Address allocation
• CPC Class Codes: H04W 8/26 Network addressing or numbering for mobility support
• CPC Class Codes: H04W 80/04 Network layer protocols, e.g. mobile IP [Internet Protocol]

Abstract

A method of allocating an Internet Protocol (IP) address to a mobile wireless terminal 7 within a mobile telecommunications network. The network repeatedly broadcasts, over a radio broadcast channel of the network, a routing prefix corresponding to the Radio Network Controller (RNC) ID. Mobile terminals 7 listen to the broadcast channel, either when registering with the network or subsequently thereto, to determine the routing prefix. A mobile terminal 7 combines the routing prefix with a host port to generate an IP address for subsequent Internet sessions.

Claims

1. A method of allocating an Internet protocol (IP) address to a mobile wireless terminal within a mobile telecommunications network, the method comprising repeatedly broadcasting at least a routing prefix over a radio channel of the network, wherein the routing prefix may be received by a mobile terminal listening to said radio channel and thereafter incorporated into an IP address.

2. A method according to claim 1, wherein the routing, prefix broadcast by the mobile network is unique to the radio network.

3. A method according to claim 1, wherein the broadcast routing prefix is unique to a node of the radio network, such as a Base Station Controller (BSC) of a GSM network or a Radio Network Controller (RNC) of a GPRS/UTS network.

4. A method according to claim 1, wherein the mobile telecommunications network uses GPRS or UMTS protocols over the air interface coupling mobile terminals to the network.

5. A method according to claim 1, wherein said routing prefix is transmitted over a broadcast channel of the mobile network.

6. Apparatus for allocating an Internet Protocol (IP) address to a mobile wireless terminal within a telecommunications network, the apparatus comprising means for continuously broadcasting at least a routing prefix of an IP address over the air interface of the telecommunications network, and means associated with the mobile terminal for listening to said broadcasts to obtain the routing prefix and for generating an IP address using the routing prefix.

7. An Internet enabled mobile wireless terminal, the mobile terminal being arranged in use to listen to a radio channel of a mobile telecommunications network and to obtain from the radio channel a broadcast routing prefix which can be used by the mobile terminal to generate an IP address.