Wireless mobile terminal and telecommunication system

A method of determining a size of an advertised window for a transmission control protocol (TCP) receiver of a wireless mobile terminal, the method comprising:

• receiving a data packet sent from a TCP sender at the TCP receiver, the data packet comprising a header portion and a payload portion;
• determining a current data rate of a wireless downlink transmission to the wireless mobile terminal from signaling information contained in the header portion of the data packet;
• and
• determining the size of the advertised window in proportion to the current data rate of the wireless downlink transmission to the wireless mobile terminal
• wherein the signaling information comprises information about the current data rate of the wireless downlink transmission to the wireless mobile terminal or information about a current modulation and a coding scheme, and
• wherein the determining the current data rate of the wireless downlink transmission to the wireless mobile terminal comprises determining the current data rate from the information about the current data rate of the wireless downlink transmission to the wireless mobile terminal or the information about a current modulation and a coding scheme included in the signaling information.

A non-transitory computer-readable recording medium having recorded thereon a program for executing a method of determining a size of an advertised window for a transmission control protocol (TCP) receiver of a wireless mobile terminal, the program being executed by a computer or a processor, and the method comprising:

• receiving a data packet sent from a TCP sender at the TCP receiver, the data packet comprising a header portion and a payload portion;
• determining a current data rate of a wireless downlink transmission to the wireless mobile terminal from signaling information contained in the header portion of the data packet;
• and
• determining the size of the advertised window in proportion to the current data rate of the wireless downlink transmission to the wireless mobile terminal,
• wherein the signaling information comprises information about the current data rate of the wireless downlink transmission to the wireless mobile terminal or information about a current modulation and a coding scheme, and
• wherein the determining the current data rate of the wireless downlink transmission to the wireless mobile terminal comprises determining the current data rate from the information about the current data rate of the wireless downlink transmission to the wireless mobile terminal or the information about a current modulation and a coding scheme included in the signaling information.

A non-transitory computer-readable recording medium having recorded thereon a program for executing a method of determining a size of an advertised window for a transmission control protocol (TCP) sender of a wireless mobile terminal, the program being executed by a computer or a processor, and the method comprising:

• sending a data packet to a TCP receiver, the data packet comprising a header portion and a payload portion;
• determining a current data rate of a wireless uplink transmission to the TCP receiver from signaling information contained in the header portion of the data packet;
• determining a first data rate dependent window size depending on the current data rate of the wireless uplink transmission;
• receiving a second advertised window size from the TCP receiver;
• and
• selecting a minimum of the first data rate dependent window size and the second advertised window size as the size of the advertised window size for usage by the TCP sender,
• wherein the signaling information comprises information about the current data rate of the wireless uplink transmission to the TCP receiver or information about a current modulation and a coding scheme, and
• wherein the determining the current data rate of the wireless uplink transmission to the TCP receiver comprises determining the current data rate from the information about the current data rate of the wireless uplink transmission to the TCP receiver or the information about a current modulation and a coding scheme included in the signaling information.

A wireless mobile terminal comprising:

• transmission control protocol (TCP) sender means sending a data packet to a TCP receiver, the data packet comprising a header portion and a payload portion;
• means for determining a current data rate of a wireless uplink transmission to the TCP receiver from signaling information contained in the header portion of the data packet;
• means for determining a first data rate dependant window size depending on the current data rate of the wireless uplink transmission;
• means for receiving a second advertised window size from the TCP receiver;
• means for selecting a minimum advertised window size from the first data rate dependant window size and the second advertised window size for usage by the TCP sender means,
• wherein the signaling information comprises information about the current data rate of the wireless uplink transmission to the TCP receiver or information about a current modulation and a coding scheme, and
• wherein the means for determining the current data rate of the wireless downlink transmission to the TCP receiver determines the current data rate from the information about the current data rate of the wireless uplink transmission to the wireless mobile terminal or the information about a current modulation and a coding scheme included in the signaling information.

A method of determining a size of an advertised window for a transmission control protocol (TCP) sender of a wireless mobile terminal, the method comprising:

• sending a data packet to a TCP receiver, the data packet comprising a header portion and a payload portion;
• determining a current data rate of a wireless uplink transmission to the TCP receiver from signaling information contained in the header portion of the data packet;
• determining a first data rate dependent window size depending on the current data rate of the wireless uplink transmission;
• receiving a second advertised window size from the TCP receiver;
• and
• selecting a minimum of the first data rate dependent window size and the second advertised window size as the size of the advertised window size for usage by the TCP sender,
• wherein the signaling information comprises information about the current data rate of the wireless uplink transmission to the TCP receiver or information about a current modulation and a coding scheme, and
• wherein the determining the current data rate of the wireless uplink transmission to the TCP receiver comprises determining the current data rate from the information about the current data rate of the wireless uplink transmission to the TCP receiver or the information about a current modulation and a coding scheme included in the signaling information.