| US 7,567,538 B2 | ||
| Arranging mobile-to-mobile connections in wireless telecommunications system | ||
| Janne Kallio, Patti Joki (Finland) | ||
| Assigned to Nokia Corporation, Espoo (Finland) | ||
| Filed on Mar. 21, 2003, as Appl. No. 10/393,344. | ||
| Application 10/393344 is a continuation of application No. PCT/FI01/00821, filed on Sep. 20, 2001. | ||
| Claims priority of application No. 20002094 (FI), filed on Sep. 22, 2000. | ||
| Prior Publication US 2003/0220102 A1, Nov. 27, 2003 | ||
| Int. Cl. H04W 4/00 (2006.01) | ||
| U.S. Cl. 370—338 [370/466] | 10 Claims |
| 1. A method, comprising:
checking whether a mobile station is engaged in a data transfer connection with another mobile station in a wireless telecommunications
system;
checking, in response to the mobile station being engaged in a data transfer connection with another mobile station in the
wireless telecommunications system, whether base stations currently serving the mobile stations are connected to a same gateway
which controls the base stations connected thereto, and which performs protocol conversion; and
switching data exchanged by the mobile stations in the gateway without performing protocol conversion, in response to the
base stations currently serving the mobile stations being connected to the same gateway.
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