Method for receiving a broadcast signal comprising a pilot signal and an information signal
AssigneeSigfox
InventorsCHRISTOPHE FOURTET, LIONEL ZIRPHILE
Life of this patent
Estimating the term…
Abstract
A method for receiving a broadcast signal by an access network to a plurality of terminals of a two-way wireless communication system. An information signal is formed from the broadcast information destined for the terminals. A pilot signal is formed and a broadcast signal including the information signal SI1 and the pilot signal is transmitted. The information signal and the pilot signal are transmitted on different respective central frequencies having a predefined frequency gap.
Claims4
1-15. (canceled)
A method for receiving, using a terminal, a broadcast signal transmitted by an access network of a bidirectional wireless communication system, wherein the broadcast signal comprises a pilot signal and an information signal SI1 formed from broadcast information destined for a plurality of terminals, the information signal SI1 and the pilot signal SP are transmitted on different respective center frequencies having a predetermined frequency gap ΔF1, the reception method comprises steps of:
- non-linear filtering of a signal received by the terminal;
- searching for the broadcast signal from a signal obtained, after the non-linear filtering of the received signal, on the predetermined frequency gap ΔF1, the broadcast signal being detectable when the signal obtained on the predetermined frequency gap ΔF1 satisfies a predefined detection criterion;
- and
- extracting the broadcast information from the detected broadcast signal.
A terminal to receive a broadcast signal transmitted by an access network of a bidirectional wireless communication system, the broadcast signal comprises a pilot signal and an information signal SI1 formed from broadcast information destined for a plurality of terminals, the information signal SI1 and the pilot signal SP are transmitted on different respective center frequencies having a predetermined frequency gap ΔF1, the terminal comprises a processor configured to:
- perform non-linear filtering of a signal received by the terminal;
- search for the broadcast signal from a signal obtained, after non-linear filtering of the received signal, on the predetermined frequency gap ΔF1, the broadcast signal being detectable when the signal obtained on the predetermined frequency gap ΔF1 satisfies a predefined detection criterion;
- and
- extract the broadcast information from the detected broadcast signal.
Dependencies are inferred from the claim text.