Method for selecting allocable wireless resources, device for selecting allocable wireless resources, and communication device

An allocable wireless resource selection device for a wireless communication system including a first communication device or devices, and a second communication device in wireless communication with the first communication device, the selection device comprising:

• a scheduler unit configured to calculate an index value according to each of the first communication devices for determining whether or not to let a wireless resource utilized for communications between the first communication device and the second communication device be a candidate allocated to the first communication device, based on the quality of a channel between the first communication device and the second communication device;
• a congestion degree measuring unit configured to measure a value indicating a congestion degree between the first communication device and the second communication device;
• a threshold value setting unit configured to calculate a threshold value, such that the threshold value increases as the measured value decreases, for determining whether or not to let the wireless resource be the candidate allocated to the first communication device, based on the measured value indicating the congestion degree;
• and
• the scheduler unit configured to compare the index value with the threshold value to determine whether or not to let the wireless resource be the candidate allocated to the first communication device.

A communication device in wireless communication with another communication device or devices, the communication device comprising:

• a scheduler unit configured to calculate an index value according to each of the other communication devices for determining whether or not to let a wireless resource utilized for communications between itself and the other communication device be a candidate allocated to the other communication device, based on the quality of a channel between itself and the other communication device;
• a congestion degree measuring unit configured to measure a value indicating a congestion degree between itself and the other communication device;
• a threshold value setting unit configured to calculate a threshold value, such that the threshold value increases as the measured value decreases, for determining whether or not to let the wireless resource be the candidate allocated to the other communication device, based on the measured value indicating the congestion degree;
• and
• the scheduler unit configured to compare the index value with the threshold value to determine whether or not to let the wireless resource be the candidate allocated to the other communication device.