Ofdm transmission and reception for non-ofdm signals
AssigneeMicrosoft Corporation
InventorsAmer A. Hassan, Christian Huitema
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Abstract
Methods and apparatuses for Orthogonal Frequency-Division Multiplexing (OFDM) communication of non-OFDM radio signals are disclosed. The non-OFDM radio signals are force-modulated into OFDM signals. In one example, a non-OFDM signal is received and is processed into an OFDM signal to produce a created OFDM signal. An actual OFDM signal is also received and is processed together with the created OFDM signal.
Claims7
1-20. (canceled)
At least one computer-readable storage medium having computer-readable instructions for performing steps of a method of operating a computing device to accommodate non-Orthogonal Frequency-Division Multiplexing signals (non-OFDM signals), wherein the method is performed, at least in part, in software defined radio, the method comprising:
- a) receiving a non-OFDM signal;
- b) processing the non-OFDM signal into a created OFDM signal;
- c) processing the created OFDM signal;
- d) transmitting OFDM and non-OFDM signals;
- and
- e) processing the non-OFDM signals to transmit over a first set of sub-channels, processing the OFDM signals to transmit over a second set of sub-channels and performing an Inverse Fast Fourier Transform (IFFT) of the signals.
At least one computer-readable storage medium having computer-readable instructions for performing steps of a method of operating a computing device to accommodate non-Orthogonal Frequency-Division Multiplexing signals (non-OFDM), wherein the method is performed, at least in part, in software defined radio, the method comprising:
- a) receiving a non-OFDM signal by receiving a wireless signal in a Bluetooth format;
- b) processing the non-OFDM signal into an OFDM signal to produce a created OFDM signal;
- c) receiving an actual OFDM signal by receiving a wireless signal in a WiFi format;
- and
- d) processing the actual OFDM signal with the created OFDM signal.
At least one computer-readable storage medium having computer-readable instructions for performing steps of a method of operating a computing device to accommodate non-Orthogonal Frequency-Division Multiplexing signals (non-OFDM), the method comprising:
- a) receiving a non-OFDM signal;
- b) processing the non-OFDM signal into an OFDM signal to produce a created OFDM signal;
- c) receiving an actual OFDM signal;
- d) processing the actual OFDM signal with the created OFDM signal;
- e) transmitting OFDM and non-OFDM signals, processing the non-OFDM to transmit over a first set of sub-channels, processing the OFDM to transmit over a second set of sub-channels and performing an Inverse Fast Fourier Transform (IFFT) of the signals.
Dependencies are inferred from the claim text.