Radio communications system

Japanese Patent JP5948705

B2

PROBLEM TO BE SOLVED: To stably and efficiently transmit/receive signals while avoiding collision of signals even in the case where a repeater is used between a controlled device and a control device, in two-way radio communication between the controlled device and the control device in a radio communication system.SOLUTION: A radio communication system 1 comprises a controller 2 (control device) which performs two-way radio communication with a switch 4 (controlled device) directly or via a repeater 5. While defining a control signal to be transmitted as a starting point, the controller 2 sets time slots including a control signal relay slot which is specified in accordance with the number of repeaters 5, a response signal transmission slot which is specified in accordance with the number of switches 4, and a response signal relay slot which is specified in accordance with the number of repeaters 5. The switch 4 determines a slot to be used in accordance with a controlled device number, and the repeater 5 determines a slot to be used in accordance with a repeater number.

Ueda Shinsuke
Kazuhisa Yoshiki
Hirotada Higashihama

JP2012218341A

July 06, 2016

September 28, 2012

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Panasonic IP Management Co., Ltd.

H04W84/18; H04W72/04

JP2012124663A
JP20109231A
JP6334581A
JP201249829A
JP201155179A
JP200944701A
JP2011101221A
JP11298955A

WO2008007418A1

Alcatel Shanghai Bell,Alcatel-Lucent,Relaying for LTE-Advanced,3GPP TSG RAN WG1 #55 R1-084136,3GPP,2008年11月10日

Yasuo Itaya
Katsumi Taguchi
Shinichi Mizuta
Itaya Masayuki

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