US 7,515,913 B2
Method and apparatus for automatic change of an operating channel in a wireless communication system
Gerrit Willem Hiddink, Utrecht (Netherlands); Amiram Levi, Hilversum (Netherlands); Harald Van Kampen, Utrecht (Netherlands); and Martinus Cornelis Wezelenburg, Tiel (Netherlands)
Assigned to Agere Systems Inc., Allentown, Pa. (US)
Filed on Nov. 29, 2004, as Appl. No. 10/999,162.
Claims priority of provisional application 60/557322, filed on Mar. 29, 2004.
Prior Publication US 2005/0227624 A1, Oct. 13, 2005
Int. Cl. H04Q 7/20 (2006.01)
U.S. Cl. 455—453  [455/161.2; 455/179.1; 455/185.1; 455/445; 455/455; 455/509; 709/225] 27 Claims
OG exemplary drawing
 
1. A method for selecting an alternate channel in a wireless communications device, comprising the steps of:
obtaining information about a plurality of available channels;
assigning a score to each of said plurality of available channels, wherein said score is based on channel state information and system state information, wherein said system state information includes one or more of buffer state information and error information;
selecting an alternate channel from said plurality of available channels based on said score.