CHANNEL ACKNOWLEDGEMENT OPERATION AT DIRECT COMMUNICATION LINE FOR FEEDBACK LINE DATA Russian patent published in 2009 - IPC H04B7/05 

Abstract RU 2364027 C2

FIELD: communication facilities.

SUBSTANCE: invention concerns communication systems. Invention claims acknowledgement method in wireless communication system. First, a frame of additional feedback channel (R-SCH) is received at base station. Further, base station transmits acknowledgement signal (ACK) if quality of received R-SCH frame is indicated as good. Negative acknowledgement signal (NAK) is transmitted only if received data frame is indicated as bad, yet possesses sufficient energy, in total with data frame retransmission energy, for correct decoding of data frame. If the best base station is known, the acknowledgement method can reverse acknowledgement signal transmission to the best base station, so that only NAK signal was transmitted. In the absence of acknowledgement only positive acknowledgement is offered.

EFFECT: minimised requirements to transmission capacity.

31 cl, 8 dwg

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RU 2 364 027 C2

Authors

Sarkar Sandip

Chen Tao

Tidmann Ehdvard Dzh. Ml.

Gaal Piter

Dates

2009-08-10Published

2003-12-30Filed