Communications: directive radio wave systems and devices (e.g. – Directive – Including directive communication system
Reexamination Certificate
2009-02-10
2010-06-15
Tarcza, Thomas H (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including directive communication system
C455S069000
Reexamination Certificate
active
07737890
ABSTRACT:
The present invention relates to a method for transmitting signals in a wireless communication system, in which signals are transmitted from a first communication device to a second communication device, said signals being transmitted in consecutive frames, each frame having a preamble section including preamble information, at least one of said first and said second communication devices having a narrow beam antenna which is adapted to be steered to different positions, each of said different positions corresponding to one of a number of different transmissions paths from said to said second communication device, including the steps of transmitting and receiving a first preamble section including preamble information enabling the estimation of a channel quality of a current transmission path, while said narrow beam antenna is in a current position corresponding to said current transmission path, steering said narrow beam antenna from said current position to a different position corresponding to a candidate transmission path, and transmitting and receiving a second preamble section including preamble information enabling the estimation of a channel quality of said candidate transmission path while said narrow beam antenna is in said different position. The present invention further relates to a corresponding transmission device as well as a receiving device.
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Uno Masahiro
Wang Zhaocheng
Wullich Volker
Mull Fred H
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Sony Deutschland GmbH
Tarcza Thomas H
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