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Communication system and resource assigning method therefor
| Details |
Inventors: Ishikawa, Yoshihiro; Onoe, Seizo; Satoh, Takaaki; Nakamura, Takehiro;
Assignee: NTT DeCoMo, Inc. (Tokyo, JP)
Primary Examiner: Trost; William
Assistant Examiner: Ewart; James D
Attorney, Agent or Firm: Workman Nydegger
The present invention maintains the utilization of resources even in spite of the presence of a large number of communications each requiring a large amount of resources under multidimensional traffic conditions. First, the current traffic is measured. Then, a threshold value is determined on the basis of the amount of resources requested. Then, the current traffic is compared with the threshold value. If the measured traffic exceeds the threshold value, it is determined that the request cannot be accepted. In contrast, if the measured traffic is equal to or smaller than the threshold value, it is determined that the request can be accepted, and a process of accepting the resource request is executed to end the entire process. |
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DETAILED DESCRIPTION The present invention is provided in view of these problems, and it is an object thereof to provide a communication system that can maintain the general utilization of resources even if a larger number of communications each require a large amount of resources under multidimensional traffic conditions.
To attain this object, a first aspect of the present invention provides a mobile communication system comprising a second node for assigning a resource shared by a plurality of communications in response to a resource request transmitted by a first node, the system being characterized in that the second node comprises measuring means for measuring a current traffic or an amount equivalent to the traffic, first determining means for determining whether or not to accept the resource request by comparing the current traffic or the amount equivalent to the traffic as measured by the measuring means with a reference value, and accepting means for accepting the resource request on the basis of a result of the determination by the first determining means.
Accordingly, in a communication system in which the amount of resources requested varies among communications, the resources can be assigned so as to be more efficiently shared.
Further, a second aspect of the present invention is the communication system according to the first aspect, characterized in that the reference value is set so that the larger the amount of the resource requested by the first node, the more unlikely the resource request is accepted.
Accordingly, in a communication system in which the amount of resources requested varies among communications, it is possible to measure the current traffic or the equivalent amount, set a threshold value for determining acceptance on the basis of such a reference that the threshold value decreases with an increase in the amount of resources on the bases of the amount of resources newly requested, and accept the reception of the new resource request if the measured current traffic does not exceed the determined threshold value
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Cell Phones 
