Title:
The system for transmission of the signal in family environment
Document Type and Number:
Japanese Patent JP5957226
Kind Code:
B2
Abstract:
The present invention relates to a central terminal for a wireless transmission system for signals intended more specifically for a domestic environment.
- The central terminal (1) comprises at least m transmission channels (11) and n directive transmission antennas (12) intended to transmit first signals (S1), with n>m>1, switching means (13) in order to associate with each signal transmission channel one antenna from among the n antennas according to a switching schema selected by control means (14), a transmission circuit (15) able to transmit via at least one of the directive antennas selected for said client terminal, a second signal (S2, S3) called the interrogation signal in a frequency band close to or identical to the predetermined frequency band of the transmission channel, the control means (14) being connected to a return channel transmitting at least one item of information on the reception quality of the signals transmitted by said central terminal, said control means selecting a switching schema according to said at least one item of information.
Inventors:
Jean-Luc Robert
Aryl Zeal
Dominic Heinton
Jean-Francois Pintos
Aryl Zeal
Dominic Heinton
Jean-Francois Pintos
Application Number:
JP2012000457A
Publication Date:
July 27, 2016
Filing Date:
January 05, 2012
Export Citation:
Assignee:
Thomson Licensing
International Classes:
H04J99/00; H04B7/04; H04B7/10; H04W16/28; H04W84/10
Domestic Patent References:
| JP2000115190A | ||||
| JP2010004247A | ||||
| JP2004201137A | ||||
| JP2006101080A |
Foreign References:
| US20020169005 | ||||
| US20040185783 | ||||
| WO2005104142A1 |
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office
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