COMMUNICATION METHOD AND COMMUNICATIONS APPARATUS
First Claim
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1. A demodulation reference signal (DMRS) sending method, comprising:
- determining, by a terminal device, power of a DMRS as regular power when;
an uplink scheduling command associated with the DMRS is downlink control information (DCI) whose format is 0_0;
an uplink transmission waveform is cyclic prefix-orthogonal frequency division multiplexing (CP-OFDM); and
a quantity of symbols occupied in uplink transmission is less than or equal to 2; and
sending, by the terminal device, the DMRS based on the determined power.
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Abstract
Example communication methods and communications apparatus are described. One example method includes determining power of a demodulation reference signal (DMRS) by a terminal device. The terminal device sends the MARS based on the determined power. In embodiments of this application, the power of the DMRS can be flexibly determined for different communication statuses.
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Citations
24 Claims
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1. A demodulation reference signal (DMRS) sending method, comprising:
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determining, by a terminal device, power of a DMRS as regular power when; an uplink scheduling command associated with the DMRS is downlink control information (DCI) whose format is 0_0; an uplink transmission waveform is cyclic prefix-orthogonal frequency division multiplexing (CP-OFDM); and a quantity of symbols occupied in uplink transmission is less than or equal to 2; and sending, by the terminal device, the DMRS based on the determined power. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A communications apparatus, comprising:
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at least one processor; and a non-transitory computer-readable storage medium coupled to the at least one processor and storing programming instructions for execution by the at least one processor, wherein the programming instructions instruct the at least one processor to; determine power of a demodulation reference signal (DMRS) as regular power when; an uplink scheduling command associated with the DMRS is downlink control information (DCI) whose format is 0_0; an uplink transmission waveform is cyclic prefix-orthogonal frequency division multiplexing (CP-OFDM); and a quantity of symbols occupied in uplink transmission is less than or equal to 2; and cause the communications apparatus to send the DMRS based on the determined power. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A terminal device, comprising:
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at least one processor; a non-transitory computer-readable storage medium storing programming instructions for execution by the at least one processor, wherein the programming instructions instruct the at least one processor to determine power of a demodulation reference signal (DMRS) as regular power when; an uplink scheduling command associated with the DMRS is downlink control information (DCI) whose format is 0_0; an uplink transmission waveform is cyclic prefix-orthogonal frequency division multiplexing (CP-OFDM); and a quantity of symbols occupied in uplink transmission is less than or equal to 2; and a transceiver, the transceiver configured to send the DMRS based on the determined power. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A non-transitory computer readable storage medium, comprising a computer program, wherein when the computer program is run on a computer, the computer is enabled to perform:
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determining power of a DMRS as regular power when; an uplink scheduling command associated with the DMRS is downlink control information (DCI) whose format is 0_0; an uplink transmission waveform is cyclic prefix-orthogonal frequency division multiplexing (CP-OFDM); and a quantity of symbols occupied in uplink transmission is less than or equal to 2; and sending the DMRS based on the determined power. - View Dependent Claims (20, 21, 22, 23, 24)
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Specification