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METHOD, SYSTEM AND APPARATUSES FOR DATA COMMUNICATION EMPLOYING INTERWORKING BETWEEN UPPER AND LOWER LAYER PROTOCOLS
METHOD, SYSTEM AND APPARATUSES FOR DATA COMMUNICATION EMPLOYING INTERWORKING BETWEEN UPPER AND LOWER LAYER PROTOCOLS
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机译:上层协议和下层协议之间进行数据通信交互的方法,系统和装置
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摘要
The present invention concerns a data communication method for communicating packetized data via an interface between a transmitter and a receiver, wherein communication relies on a layered communication protocol stack comprising at least two protocol layers of different hierarchy level, wherein at least data communication on a lower one of said layers adopts a retransmission scheme for data packets for which an acknowledgment of receipt was not received at the transmitter, the method comprising the steps of initializing the retransmission scheme of the lower one of said layers by setting a condition parameter, wherein fulfilling the condition defined by the condition parameter represents an indication as to how to control the retransmission scheme, wherein initializing comprises setting said condition parameter of the lower one of said layers according to information forwarded from said higher one of said layers to said lower one of said layers, transmitting packet data from the transmitter via the interface to the receiver according to the retransmission scheme of said lower one of said layers, detecting that said condition is fulfilled during transmitting, and controlling said retransmission scheme of said lower one of said layers in response to said detecting. Also, a corresponding system constituted by correspondingly adapted transmitters and receivers is proposed.
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