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US 10,763,934 B2Granted
Reference signal information feedback method, device and terminal
AssigneeZte Corporation
InventorsYijian Chen, Zhaohua Lu, Yu Ngok Li, Huahua Xiao, Jing Zhao, Yuxin Wang
Life of this patent
Estimating the term…
Abstract
Embodiments of the present disclosure provide a reference signal information feedback method, apparatus and terminal. The method includes: a terminal determines a reference signal parameter of an uplink measurement reference signal and/or a downlink measurement reference signal, and the terminal feeds the determined reference signal parameter back to a base station.
Claims10
A reference signal information feedback method, comprising:
- determining, by a terminal served by a base station, a reference signal parameter of an uplink measurement reference signal or a reference signal parameter of a downlink measurement reference signal or reference signal parameters of an uplink measurement reference signal and a downlink measurement reference signal;
- and
- transmitting, by the terminal, the determined reference signal parameter to the base station,
- wherein the reference signal parameter comprises one or more of the following:
- a transmitting period or subframe offset of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and downlink measurement reference signal;
- a transmitting density of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal;
- and
- a transmitting position of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal,
- wherein the transmitting density of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal comprises:
- a transmitting density or a Physical Resource Block, PRB, pair density of a Resource Block, RB, of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal;
- or, a transmitting density of the uplink measurement reference signal in an RB or the downlink measurement reference signal in an RB or the uplink measurement reference signal and the downlink measurement reference signal in an RB,
- wherein when the reference signal parameter comprises the subframe offset or transmitting position or subframe offset and transmitting position of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal, the step that the terminal determines the reference signal parameter of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal comprises:
- determining, by the terminal, a low-interference reference signal parameter in alternative subframe offsets or transmitting positions or subframe offsets and transmitting positions of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal according to a channel interference condition;
- or
- when the reference signal parameter comprises the transmitting period of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal, the step that the terminal determines the reference signal parameter of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal comprises:
- determining, by the terminal, the transmitting period of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal according to a current movement speed or signal-to-noise ratio.
13 more elements
A reference signal information feedback apparatus, arranged on a terminal served by a base station, and the apparatus comprising:
- a parameter determination module, arranged to determine a reference signal parameter of an uplink measurement reference signal or a downlink measurement reference signal or an uplink measurement reference signal and a downlink measurement reference signal;
- and
- a feedback module, arranged to transmit the determined reference signal parameter to the base station,
- wherein the reference signal parameter comprises one or more of the following:
- a transmitting period or subframe offset of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal;
- a transmitting density of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal;
- and
- a transmitting position of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal,
- wherein the transmitting density of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal comprises:
- a transmitting density or a Physical Resource Block, PRB, pair density of a Resource Block, RB, of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal;
- or, a transmitting density of the uplink measurement reference signal in an RB or the downlink measurement reference signal in an RB or the uplink measurement reference signal and the downlink measurement reference signal in an RB,
- wherein when the reference signal parameter comprises the subframe offset or transmitting position or subframe offset and transmitting position of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal, determining, by the parameter determination module, the reference signal parameter of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal refers to:
- determining, by the parameter determination module, a low-interference reference signal parameter in alternative subframe offsets or transmitting positions or subframe offsets and transmitting positions of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal according to a channel interference condition;
- or
- when the reference signal parameter comprises the transmitting period of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal, determining, by the parameter determination module, the reference signal parameter of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal refers to:
- determining, by the parameter determination module, the transmitting period of the uplink measurement reference signal or the downlink measurement reference signal or the uplink measurement reference signal and the downlink measurement reference signal according to a current movement speed or signal-to-noise ratio.
13 more elements
Dependencies are inferred from the claim text.