Wireless communication system, wireless communication method, mobile station device, and base station device
First Claim
1. A wireless communication system comprising:
- a plurality of base station devices; and
a mobile station device configured to communicate with the plurality of base station devices,wherein the mobile station device comprises;
a necessary determining unit configured to refer to a communication state of a first base station device that is a base station device in communication with the mobile station device, and determine necessity of carrier aggregation;
a cell search unit configured to, in a case that the necessity determining unit determines that carrier aggregation is necessary, search a communication available base station device from the plurality of base station devices;
a carrier aggregation requesting unit configured to, in a case that at least one communication available base station device is detected by the search, transmit a request for carrier aggregation to the first base station device;
an accessibility determining unit configured to, in a case that a communication available base station device is detected by the search, determining whether or not the mobile station device is accessible to the detected base station device; and
the carriage aggregation requesting unit is configured to transmit the request for carrier aggregation to the first base station device in a case that a communication available base station device is detected by the search, and the accessibility determining unit determines that the mobile station device is accessible to the detected base station device.
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Accused Products
Abstract
A wireless communication system includes a plurality of base station devices, and a mobile station device configured to communicate with the plurality of base station devices. The mobile station device includes: a necessity determining unit configured to refer to a communication state of a first base station device that is a base station device in communication with the mobile station device, and determine necessity of carrier aggregation; a cell search unit configured to, in a case that the necessity determining unit determines that carrier aggregation is necessary, search a communication available base station device from the plurality of base station devices; and a carrier aggregation requesting unit configured to, in a case that at least one communication available base station device is detected by the search, transmit a request for carrier aggregation to the first base station device, thus providing a wireless communication system that can obtain an excellent speed.
17 Citations
10 Claims
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1. A wireless communication system comprising:
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a plurality of base station devices; and a mobile station device configured to communicate with the plurality of base station devices, wherein the mobile station device comprises; a necessary determining unit configured to refer to a communication state of a first base station device that is a base station device in communication with the mobile station device, and determine necessity of carrier aggregation; a cell search unit configured to, in a case that the necessity determining unit determines that carrier aggregation is necessary, search a communication available base station device from the plurality of base station devices; a carrier aggregation requesting unit configured to, in a case that at least one communication available base station device is detected by the search, transmit a request for carrier aggregation to the first base station device; an accessibility determining unit configured to, in a case that a communication available base station device is detected by the search, determining whether or not the mobile station device is accessible to the detected base station device; and the carriage aggregation requesting unit is configured to transmit the request for carrier aggregation to the first base station device in a case that a communication available base station device is detected by the search, and the accessibility determining unit determines that the mobile station device is accessible to the detected base station device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A wireless communication method for a wireless communication system including a plurality of base station devices, and a mobile station device configured to communicate with the plurality of base station devices, the wireless communication method comprising:
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a first step for the mobile station device to refer to a communication state of a first base station device that is a base station device in communication with the mobile station device, and determine necessity of carrier aggregation; a second step for the mobile station device to, in a case that it is determined in the first step that carrier aggregation is necessary, search a communication available base station device from the plurality of base station devices; a third step for the mobile station device to, in a case that at least one communication available base station device is detected by the search, transmit a request for carrier aggregation to the first base station device; fourth step for the mobile station device to, in a case that a communication available base station device is detected by the search, determine whether or not the mobile station device is accessible to the detected base station device; and a fifth step for the mobile station device to transmit the request for carrier aggregation to the first base station device in a case that a communication available base station device is detected by the search, and the determination is made that the mobile station device is accessible to the detected base station device.
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10. A mobile station device configure to communicate with a plurality to base station devices the mobile station device comprising:
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a necessity determining unit configured to refer to a communication state of a first base station device that is a base station device in communication with the mobile station device, and determine necessity of carrier aggregation; a cell search unit configured to, in a case that the necessity determining unit determines that carrier aggregation is necessary, search a communication available base station device from the plurality of base station devices; a carrier aggregation requesting unit configured to, in a case that at least one communication available base station device is detected by the search, transmit a request for carrier aggregation to the first base station device; an accessibility determining unit configured to, in a case that a communication available base station device is detected by the search, determine whether or not the mobile station device is accessible to the detected base station device; and the carriage aggregation requesting unit is configured to transmit the request for carrier aggregation to the first base station device in a case that a communication available base station device is detected by the search, and the accessibility determining unit determines that the mobile station device is accessible to the detected base station device.
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Specification