Multiplex communications – Channel assignment techniques – Carrier sense multiple access
Reexamination Certificate
2007-08-14
2007-08-14
Nguyen, Chau (Department: 2616)
Multiplex communications
Channel assignment techniques
Carrier sense multiple access
C370S465000
Reexamination Certificate
active
10275432
ABSTRACT:
The present invention discloses a communication terminal accommodation device that makes communication terminals under the control of different wireless LAN systems communicate with each other. In a first system, the transmission and reception periods of a downlink signal, a direct-link signal, and an uplink signal are set after the transmission and reception periods of RCH, BCH, FCH and ACH control channels. In a second system, the transmission and reception period of a PCF mode is set immediately after a beacon, and the transmission and reception period of a DCF mode is set after that. In the first system, a period after the PCF mode of the second system is set as an unused period, and the RCH reception period is set to start at the start time of the PCF mode of the second system.
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International Search Report dated Jun. 18, 2002.
Aramaki Takashi
Hirano Jun
Hartmann Kenneth R.
Matsushita Electric - Industrial Co., Ltd.
Stevens Davis Miller & Mosher LLP
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