US 6,983,039 B2
Call admission control method and communication system to which method is applied
Yoshihiro Ishikawa, Yokosuka (Japan); Akihiro Maebara, Yokohama (Japan); Seizo Onoe, Yokohama (Japan); and Yoshitaka Hiramoto, Yokohama (Japan)
Assigned to NTT DoCoMo, Inc., Tokyo (Japan)
Filed on Jun. 04, 2003, as Appl. No. 10/453,695.
Claims priority of application No. P2002-164815 (JP), filed on Jun. 05, 2002.
Prior Publication US 2004/0009776 A1, Jan. 15, 2004
Int. Cl. H04M 15/00 (2006.01)
U.S. Cl. 379—112.04 7 Claims
OG exemplary drawing
 
1. For use in a communication system in which, each time a communication is performed, resources necessary for the communication are allocated from resources shared by a plurality of communications, a call admission control method for determining whether resources may be allocated to a communication, wherein each communication is classified into any one of a plurality of communication types and ease of resource allocation differs according to each communication type, said method comprising the steps of:
measuring a traffic of resources currently allocated and shared; and
increasing a difference in ease of resource allocation between the communication types as a value of the measured traffic increases.