Multiplex communications – Communication over free space – Combining or distributing information via time channels
Reexamination Certificate
2008-07-15
2008-07-15
Eng, George (Department: 2617)
Multiplex communications
Communication over free space
Combining or distributing information via time channels
C370S328000, C370S338000, C370S445000, C455S069000, C455S517000, C714S748000
Reexamination Certificate
active
10545489
ABSTRACT:
A plurality of data packets that contain sequence numbers, respectively, are transmitted simultaneously between two STAs by using a wireless channel and MIMO. An STA receiving the plurality of data packets transmitted simultaneously by using MIMO generates a single ACK packet containing information that corresponds to a sequence number of each data packet successfully received, and transmits the single ACK packet to a transmit-side STA without using MIMO. Thus, a ratio of successful ACK packet receptions to total receptions can be increased. An effect of improving throughput achieved by simultaneous transmission can also be ensured.
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Aikawa Satoru
Hirukawa Akinori
Kumagai Tomoaki
Nagata Kengo
Ohta Atsushi
Afshar Kamran
Eng George
Harness & Dickey & Pierce P.L.C.
Nippon Telegraph and Telephone Corporation
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