Pdu For Your Pmp
andthe receiving terminal/the transmitting terminal receiving the RRC message, and establishing the corresponding pdu lengths. The data transmission method as claimed in claim 6, wherein the connection is an AM RLC connection. The data transmission method as claimed in claim 6, wherein Step (B) further comprises:the transmitting terminal setting a data length reset bit of the first data message pdu as 0; andupon receiving the first data message pdu, the receiving terminal taking the length of the first data message pdu as a used pdu length.
The data transmission method as claimed in claim 6, wherein Step (C) further comprises:the receiving terminal or the transmitting terminal calculating a bit error rate (ber) or a Block Error Rate (BER) of the received first data message pdu, and informing the transmitting terminal or the receiving terminal about the ber or the BER with the pdu change request or a response message; The data transmission method as claimed in claim 6, further omprising: when the transmitting terminal found that an average error rate or a retransmission request rate of the first data message pdu is changed, calculating an appropriate pdu length as a length of the third data message pdu according to the ber fed back by the receiving terminal, and transmitting data with the third data message pdu;wherein when transmitting the third data message pdu for the first time, the transmitting terminal sets a data length reset bit of the third data message pdu as 1.
The receiving terminal determining whether to change the used pdu length or not according to the ber or the BER, and calculating a pdu length that achieves a maximum bandwidth utilization as the length of the second data message pdu;wherein the receiving terminal informs the transmitting terminal about the length of the second data message pdu through the pdu change request. The data transmission method as claimed in claim 10, wherein the BER is calculated through the following equation.The data transmission method as claimed in claim 10, wherein the method for calculating the pdu length that achieves the maximum bandwidth utilization is calculating bandwidth utilizations of the pdu lengths in the RRC message, and then selecting a pdu length corresponding to the maximum value as the pdu length of the maximum bandwidth utilization, The data transmission method as claimed in claim 6, further comprising:when the transmitting terminal found that an average error rate or a retransmission request rate of the first data message pdu is changed, calculating an appropriate pdu length as a length of the third data message pdu according to the ber fed back by the receiving terminal, and transmitting data with the third data message
When transmitting the third data message pdu for the first time, the transmitting terminal sets a data length reset bit of the third data message pdu as herein the bandwidth utilization is calculated through the following The data transmission method as claimed in claim 6, wherein Step (D) further comprises:the transmitting terminal setting the length of the second data message pdu according to the received pdu change request, and setting the data length reset bit of the second data message pdu as 1, when transmitting the second data message pdu for the first time; andthe receiving terminal changing the used pdu length, when receiving the second data message pdu with the data length reset bit as 1.
The computer-readable recording medium as claimed in claim 16, wherein Step (C) further comprises:the receiving terminal or the transmitting terminal calculating a ber or a BER of the received first data message pdu, and informing the transmitting terminal or the receiving terminal about the ber or the BER through the pdu change request or a response message; andthe receiving terminal determining whether to change the used pdu length or not according to the ber or the BER, and calculating a pdu length that achieves a maximum bandwidth utilization as the length of the second data message pdu;wherein the receiving terminal informs the transmitting terminal about the length of the second data message pdu through the pdu change request.
The data transmission method as claimed in claim 6, wherein Step (C) further comprises:the receiving terminal or the transmitting terminal calculating a bit error rate (ber) or a Block Error Rate (BER) of the received first data message pdu, and informing the transmitting terminal or the receiving terminal about the ber or the BER with the pdu change request or a response message; The data transmission method as claimed in claim 6, further omprising: when the transmitting terminal found that an average error rate or a retransmission request rate of the first data message pdu is changed, calculating an appropriate pdu length as a length of the third data message pdu according to the ber fed back by the receiving terminal, and transmitting data with the third data message pdu;wherein when transmitting the third data message pdu for the first time, the transmitting terminal sets a data length reset bit of the third data message pdu as 1.
The receiving terminal determining whether to change the used pdu length or not according to the ber or the BER, and calculating a pdu length that achieves a maximum bandwidth utilization as the length of the second data message pdu;wherein the receiving terminal informs the transmitting terminal about the length of the second data message pdu through the pdu change request. The data transmission method as claimed in claim 10, wherein the BER is calculated through the following equation.The data transmission method as claimed in claim 10, wherein the method for calculating the pdu length that achieves the maximum bandwidth utilization is calculating bandwidth utilizations of the pdu lengths in the RRC message, and then selecting a pdu length corresponding to the maximum value as the pdu length of the maximum bandwidth utilization, The data transmission method as claimed in claim 6, further comprising:when the transmitting terminal found that an average error rate or a retransmission request rate of the first data message pdu is changed, calculating an appropriate pdu length as a length of the third data message pdu according to the ber fed back by the receiving terminal, and transmitting data with the third data message
When transmitting the third data message pdu for the first time, the transmitting terminal sets a data length reset bit of the third data message pdu as herein the bandwidth utilization is calculated through the following The data transmission method as claimed in claim 6, wherein Step (D) further comprises:the transmitting terminal setting the length of the second data message pdu according to the received pdu change request, and setting the data length reset bit of the second data message pdu as 1, when transmitting the second data message pdu for the first time; andthe receiving terminal changing the used pdu length, when receiving the second data message pdu with the data length reset bit as 1.
The computer-readable recording medium as claimed in claim 16, wherein Step (C) further comprises:the receiving terminal or the transmitting terminal calculating a ber or a BER of the received first data message pdu, and informing the transmitting terminal or the receiving terminal about the ber or the BER through the pdu change request or a response message; andthe receiving terminal determining whether to change the used pdu length or not according to the ber or the BER, and calculating a pdu length that achieves a maximum bandwidth utilization as the length of the second data message pdu;wherein the receiving terminal informs the transmitting terminal about the length of the second data message pdu through the pdu change request.
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