| US 7,577,437 B1 | ||
| Channel allocation method and device in mobile system and a mobile system base station | ||
| Leif Friman, Järvenpää (Finland); and Jukka Pietilä, Helsinki (Finland) | ||
| Assigned to Nokia Corporation, Espoo (Finland) | ||
| Filed on Jun. 12, 2000, as Appl. No. 9/592,156. | ||
| Application 09/592156 is a continuation of application No. PCT/FI99/00848, filed on Oct. 13, 1999. | ||
| Claims priority of application No. 982238 (FI), filed on Oct. 15, 1998. | ||
| Int. Cl. H04W 72/00 (2009.01) | ||
| U.S. Cl. 455—450 [455/464; 455/509; 455/560; 455/456.1; 370/329] | 15 Claims |
| 1. A method comprising:
arranging, in a mobile system between a base station controller and base stations, telecommunication channels which are available
for a plurality of base stations but not permanently allocated to any base station,
classifying said arranged telecommunication channels on the basis of their characteristics into at least two categories including
primary telecommunication channels and secondary telecommunication channels,
allocating in call set-up at least one of said primary telecommunication channels between the base station controller and
the base stations to the base station handling the call if available, and otherwise allocating in call set-up at least one
of said secondary telecommunication channels between the base station controller and the base stations to the base station
handling the call, and
controlling the base station controller to transmit information to the base station to indicate for the base station the telecommunication
channel between the base station controller and the base station allocated thereto.
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