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US 2026/0247350 A1Published application
Transmitter and transmission method
AssigneeNtt Docomo, Inc.
InventorsNaoya Shibaike, Satoshi Nagata, Wenjia Liu, Juan Liu, Xiaolin Hou, Lan Chen, Peisen Wang
Life of this patent
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Abstract
A transmitter includes a control unit configured to convert a first signal into a time-frequency domain by performing sparse resource mapping and power shaping on the first signal in a delay-Doppler domain and performing an inverse symplectic finite Fourier transform (ISFFT); and a transmission unit configured to non-orthogonally multiplex the first signal with a second signal and transmit the multiplexed signal.
Claims6
A transmitter comprising:
- a control unit configured to convert a first signal into a time-frequency domain by performing sparse resource mapping and power shaping on the first signal in a delay-Doppler domain and performing an inverse symplectic finite Fourier transform (ISFFT);
- and
- a transmission unit configured to non-orthogonally multiplex the first signal with a second signal and transmit the multiplexed signal.
A transmission method comprising:
- a step of converting a first signal into a time-frequency domain by performing sparse resource mapping and power shaping on the first signal in a delay-Doppler domain and performing an inverse symplectic finite Fourier transform (ISFFT);
- and
- a step of non-orthogonally multiplexing the first signal with a second signal, and transmitting the multiplexed signal.
Dependencies are inferred from the claim text.