Transmitter device and relay device for performing data transmission control
First Claim
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1. A transmitter device comprising:
- transmission data storing means for storing data for transmission;
control parameter storing means for storing a control parameter in correspondence with a communication condition pertaining to data transmission, said control parameter defining a mode of window control to be performed when transmitting in said communication condition said data for transmission through a communication network to a receiving communication terminal;
first detection means for detecting a communication condition of data transmission under which said data for transmission is to be transmitted prior to initiation of said data transmission;
transmission means for transmitting through said communication network said data for transmission to said receiving communication terminal; and
transmission control means for controlling said transmission means to perform window control in a mode defined by a control parameter identified on the basis of said communication condition detected by said first detection means and a memory content in said control parameter storing means.
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Abstract
A transmitter device which performs window control in transmitting data for transmission through a communication network is caused to identify a mode of window control to be performed based on a communication condition under which the data transmission is performed, so as to transmit the data for transmission by performing the window control in the identified mode.
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Citations
14 Claims
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1. A transmitter device comprising:
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transmission data storing means for storing data for transmission;
control parameter storing means for storing a control parameter in correspondence with a communication condition pertaining to data transmission, said control parameter defining a mode of window control to be performed when transmitting in said communication condition said data for transmission through a communication network to a receiving communication terminal;
first detection means for detecting a communication condition of data transmission under which said data for transmission is to be transmitted prior to initiation of said data transmission;
transmission means for transmitting through said communication network said data for transmission to said receiving communication terminal; and
transmission control means for controlling said transmission means to perform window control in a mode defined by a control parameter identified on the basis of said communication condition detected by said first detection means and a memory content in said control parameter storing means. - View Dependent Claims (2, 3, 4, 5)
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6. A relay device comprising:
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first control parameter storing means for storing a control parameter in correspondence with a communication condition pertaining to data transmission, said control parameter defining a mode of window control to be performed when data for transmission is transmitted in said communication condition through a communication network to a receiving communication terminal;
detection means for detecting a communication condition of data transmission under which said data for transmission is to be transmitted;
identifying means for identifying a control parameter on the basis of said communication condition detected by said detection means and a memory content in said first control parameter storing means;
transfer means for transferring said data for transmission transmitted from a transmitter device to said receiving communication terminal; and
control means for controlling said transmitter device or said transfer means to transmit said data for transmission by performing window control in a mode defined by said control parameter identified by said identifying means. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. A program product for causing a computer device to execute:
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a process of storing data for transmission;
a process of storing a control parameter in correspondence with a communication condition pertaining to data transmission, said control parameter defining a mode of window control to be performed when transmitting in said communication condition said data for transmission through a communication network to a receiving communication terminal;
a process of detecting a communication condition of data transmission under which said data for transmission is to be transmitted prior to initiation of said data transmission;
a process of transmitting through said communication network said data for transmission to said receiving communication terminal; and
a process of performing, while executing said transmitting process, window control in a mode defined by a control parameter identified on the basis of said communication condition detected in said detecting process and a memory content stored in said process of storing a control parameter.
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14. A program product for causing a computer device to execute:
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a process of storing a control parameter in correspondence with a communication condition pertaining to data transmission, said control parameter defining a mode of window control to be performed when data for transmission is transmitted in said communication condition through a communication network to a receiving communication terminal;
a process of detecting a communication condition of data transmission under which said data for transmission is to be transmitted;
a process of identifying a control parameter on the basis of said communication condition detected in said detecting process and a memory content stored in said process of storing a control parameter;
a process of transferring said data for transmission transmitted from a transmitter device to said receiving communication terminal; and
a process of controlling said transmitter device to transmit said data for transmission by performing window control or of performing, while executing said transfer process, window control in a mode defined by said control parameter identified in said identifying process.
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Specification