发明名称 |
WIRELESS COMMUNICATION SYSTEM |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wireless communication system which improves using efficiency of a wireless signal by simplification of reception processing and reduction in power consumption in a wireless station, thereby shortening the preamble of the wireless signal. <P>SOLUTION: A wireless communications system A comprises a relay device 2 and a plurality of reading meters 1 which wirelessly communicate using a predetermined wireless channel among a plurality of wireless channels of different frequencies. The relay device 2 allows a signal transmission unit 26 to transmit to the reading meter 1 a link establishment signal containing channel information indicating the wireless channel for data transmission allocated to each reading meter 1 by a channel allocation unit 23. Each reading meter 1 allows a channel setting unit 15 to set a wireless channel to be received, on the basis of the channel information contained in the received link establishment signal, and a reception timing determination unit 16 to determine the reception timing of the wireless signal. <P>COPYRIGHT: (C)2012,JPO&INPIT |
申请公布号 |
JP2011250024(A) |
申请公布日期 |
2011.12.08 |
申请号 |
JP20100119620 |
申请日期 |
2010.05.25 |
申请人 |
PANASONIC ELECTRIC WORKS CO LTD |
发明人 |
TAKENAGA HIDEKI;ARAI TAKAYUKI;KOYAMA MASAKI |
分类号 |
H04W72/04;H04W4/04;H04W72/12 |
主分类号 |
H04W72/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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