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US 2026/0280942 A1Published application
Wireless communication device, wireless communication system, communication control method, and non-transitory computer-readable medium
AssigneeNEC Corporation
InventorNoriaki TAWA
Life of this patent
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Abstract
A wireless communication device includes a memory configured to store instructions, and a processor configured to execute the instructions to receive an orthogonal time frequency space (OTFS) signal from a communication target, estimate an entire spread of a pilot signal of the OTFS signal by using data near a center of the pilot signal, extrapolate a reference signal (CIR-RS) by using a result of the estimation, and perform channel estimation with the extrapolated signal.
Claims16
A wireless communication device comprising:
- a memory configured to store instructions;
- and
- a processor configured to execute the instructions to:
- receive an orthogonal time frequency space (OTFS) signal from a communication target,
- estimate an entire spread of a pilot signal of the OTFS signal by using data near a center of the pilot signal,
- extrapolate a reference signal (channel impulse response reference signal (CIR-RS)) by using a result of the estimation, and
- perform channel estimation with the extrapolated signal.
4 more elements
A wireless communication system comprising:
- a communication target configured to transmit an orthogonal time frequency space (OTFS) signal;
- and
- a wireless communication device including:
- a memory configured to store instructions;
- and
- a processor configured to execute the instructions to:
- receive the OTFS signal from the communication target, estimate an entire spread of a pilot signal of the OTFS signal by using data near a center of the pilot signal, extrapolate a reference signal (channel impulse response reference signal (CIR-RS)) by using a result of the estimation, and perform channel estimation with the extrapolated signal.
4 more elements
A communication control method comprising:
- receiving an orthogonal time frequency space (OTFS) signal from a communication target;
- estimating an entire spread of a pilot signal of the OTFS signal by using data near a center of the pilot signal;
- extrapolating a reference signal (CIR-RS) by using a result of the estimation;
- and
- performing channel estimation with the extrapolated signal.
2 more elements
Dependencies are inferred from the claim text.