Multiplex communications – Channel assignment techniques – Carrier sense multiple access
Reexamination Certificate
2011-04-12
2011-04-12
Corsaro, Nick (Department: 2617)
Multiplex communications
Channel assignment techniques
Carrier sense multiple access
C370S446000, C370S447000, C370S448000, C455S069000, C455S434000
Reexamination Certificate
active
07924867
ABSTRACT:
The present invention relates to a communications network including transmitting stations and receiving stations for transmitting and receiving signals, the transmitting stations being adapted for transmitting a data signal as a series of data packets, wherein a data packet is scheduled to be transmitted by use of an available transmission resource, and receiving stations for transmitting a reservation indicator for reception by transmitting stations. In order to avoid transmission conflicts, in particular inter-cell conflicts in a cellular TDMA communications network, it is proposed that a reservation indicator transmitted by a receiving station carries a first reservation indicator value to indicate that a data transmission resource has been reserved by the receiving station for reception of the next data packet of a data signal from a transmitting station transmitting said data signal or a second reservation indicator value to indicate that a data transmission resource has not been reserved by the receiving station for reception of the next data packet from the transmitting station or that the last data packet has not been received with acceptable interference from the transmitting station, and wherein transmitting stations receiving a reservation indicator carrying a first reservation indicator value transmitted from a receiving station to which no data signal has been transmitted by them will not transmit a data packet by use of the reserved transmission resource.
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English translation of Office Action dated Feb. 23, 2010 issued in JP2006-536033.
Office Action dated Sep. 6, 2010 for JP2006-536033 and its English translation.
Haas Harald
Omiyi Peter E.
Corsaro Nick
Lebassi Amanuel
NTT Docomo Inc.
Nutter McClennan & Fish LLP
Penny, Jr. John J.
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