System for Transmission of signals in a domestic environment
First Claim
1. A system for transmission of signals, the system comprising:
- a central terminal comprising at least m signal transmission channels and at least n transmission antennas for transmitting a plurality of first signals, with n>
m>
1, a switching device for associating each of the signal transmission channels with a first antenna from among the n transmission antennas according to a switching schema selected by a control device,at least one client terminal comprising at least one reception channel connected to a reception antenna in order to receive a first signal transmitted via the central terminal, said central terminal and said client terminal being able to communicate in a transmission channel having a predetermined frequency band,wherein, the transmission antennas are directive antennas and each of the transmission antennas are configured to transmit the first signals in a predetermined angular sector,the system further comprising;
an estimation device comprising a transmission circuit for transmitting a second signal to at least one point of a predetermined geographic zone associated with the client terminal;
in said geographic zone, a measurement circuit comprising an RFID sensor associated with an RFID reader for measuring said second signal and to generate, from the measurement of said second signal, an item of information representative of a reception quality of the first signals; and
a return channel for transmission of said at least one item of information from the measurement circuit to the control device of the central terminal, said control device selecting a switching schema for the transmission antenna according to said at least one item of information.
3 Assignments
0 Petitions
Accused Products
Abstract
The present invention relates to a wireless transmission system for signals intended more specifically for a domestic environment. It includes a central terminal comprising at least m transmission channels and n directive transmission antennas intended to transmit first signals at least one client terminal having at least one reception channel connected to a reception antenna in order to receive the first signals said central terminal and said client terminal communicating in a transmission channel having a predetermined frequency band, and an estimation device able to generate an item of information representative of the reception quality of first signals in at least one point of a predetermined geographic zone associated with the client terminal and a return channel in order to transmit said at least one item of information to the control means of the central terminal.
13 Citations
36 Claims
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1. A system for transmission of signals, the system comprising:
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a central terminal comprising at least m signal transmission channels and at least n transmission antennas for transmitting a plurality of first signals, with n>
m>
1, a switching device for associating each of the signal transmission channels with a first antenna from among the n transmission antennas according to a switching schema selected by a control device,at least one client terminal comprising at least one reception channel connected to a reception antenna in order to receive a first signal transmitted via the central terminal, said central terminal and said client terminal being able to communicate in a transmission channel having a predetermined frequency band, wherein, the transmission antennas are directive antennas and each of the transmission antennas are configured to transmit the first signals in a predetermined angular sector, the system further comprising; an estimation device comprising a transmission circuit for transmitting a second signal to at least one point of a predetermined geographic zone associated with the client terminal; in said geographic zone, a measurement circuit comprising an RFID sensor associated with an RFID reader for measuring said second signal and to generate, from the measurement of said second signal, an item of information representative of a reception quality of the first signals; and a return channel for transmission of said at least one item of information from the measurement circuit to the control device of the central terminal, said control device selecting a switching schema for the transmission antenna according to said at least one item of information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A central terminal comprising:
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a plurality of transmission channels and a plurality of transmission antennas for transmission of a first signal to a client terminal via a transmission channel having a predetermined frequency band, the plurality of transmission antennas being greater than the plurality of transmission channels, the transmission antennas are directive antennas, wherein each of the transmission antenna are configured to transmit the first signals in a predetermined angular sector; a switching device for associating each of the plurality of signal transmission channels with one transmission antenna from among the plurality of transmission antennas according to a switching schema selected by a control device; an estimation device comprising a transmission circuit for transmitting a second signal to a measurement device in a geographical zone associated with the client terminal; a measurement circuit, in said geographic zone, comprising an RFID sensor and an RFID reader for measuring said second signal to determine at least one item of information on the reception quality of the first signals; a return channel for receiving, from the measurement circuit, the at least one item of information on the reception quality of the first signals; and a control device for selecting a switching schema for the transmission antenna according to said at least one item of information. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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15. A client terminal comprising:
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at least one reception channel connected to a reception antenna receiving a first signal transmitted from a central terminal, at a predetermined frequency band; a measurement circuit comprising an RFID sensor and an RFID reader for measuring a second signal transmitted from the central terminal and generating, from the measurement of said second signal, an item of information on the reception quality of the first signal; and a return channel for transmitting said at least one item of information from the measurement circuit to the central terminal. - View Dependent Claims (26, 27)
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28. A method of transmission, the method comprising:
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associating each of a plurality of signal transmission channels with one transmission antenna from among a plurality of transmission antennas according to a switching schema selected by a control device;
the plurality of transmission antennas being greater than the plurality of transmission channelstransmitting a first signal to a client terminal via one of the transmission channels having a predetermined frequency band and one of the transmission antennas configured to transmit the first signal in a predetermined angular sector; transmitting a second signal to a measurement device in a geographical zone associated with the client terminal; measuring in said geographic zone, using a measurement circuit comprising an RFID sensor and an RFID reader, said second signal to determine at least one item of information on the reception quality of the first signals; receiving via a return channel from the measurement circuit, the at least one item of information on the reception quality of the first signals; and selecting a switching schema for the transmission antenna according to said at least one item of information. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36)
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29. A method of reception, the method comprising:
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receiving a first signal transmitted from a central terminal, at a predetermined frequency band; measuring, using a measurement circuit comprising an RFID sensor and an RFID reader, a second signal transmitted from the central terminal and generating, from the measurement of said second signal, an item of information on the reception quality of the first signal; and transmitting, via a return channel, said at least one item of information from the measurement circuit to the central terminal.
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Specification