Multiplex communications – Communication over free space – Message addressed to multiple destinations
Reexamination Certificate
2004-02-23
2009-11-17
Appiah, Charles N (Department: 2617)
Multiplex communications
Communication over free space
Message addressed to multiple destinations
C370S432000, C370S338000, C370S475000, C370S473000, C370S401000
Reexamination Certificate
active
07619998
ABSTRACT:
The multi-hop communication system according to the present invention is configured by a radio control station1connected to a core network, and radio stations21, 22, 31-33. The radio control station1has a control signal TX/RX unit12which transmits/receives the control signal, an information signal TX/RX unit13which transmits/receives the information signal, and a communication channel controller15which transmits a “usage notification” indicating usage of communication channels managed by the radio control station1to the radio stations21, 22, 31-33using the control signal. The radio station has a control signal TX/RX unit42which transmits/receives the control signal, and an information signal TX/RX unit43which transmits/receives the information signal.
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Atsushi Fujiwara, et al., “Area Coverage and Capacity Enhancement by Multihop Connection of CDMA Cellular Network”, IEEE 56thVehicular Technology Conference Proceedings, Sep. 24-28, 2002, XP 010608858, pp. 2371-2374.
Fujiwara Atsushi
Otsu Toru
Takeda Shinji
Yoshino Hitoshi
Appiah Charles N
Karikari Kwasi
NTT DoCoMo Inc.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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