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Power control method, network equipment, terminal, device and storage medium

A technology of power control and network equipment, applied in the field of communication, can solve the problems of interference and block error rate, and achieve the effect of improving performance, reducing power consumption and interference, and reducing BLER

Pending Publication Date: 2022-04-22
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present application provide a power control method, network equipment, terminal, device, and storage medium to solve the technical problem that interference and block error rate cannot be balanced in the prior art

Method used

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  • Power control method, network equipment, terminal, device and storage medium
  • Power control method, network equipment, terminal, device and storage medium
  • Power control method, network equipment, terminal, device and storage medium

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Embodiment Construction

[0067] The power control process of PUSCH is to adjust the transmission power of PUSCH to compensate the influence of path loss, shadow fading and fast fading; at the same time, the power control of PUSCH is also used to control the interference level between cells. PUSCH power control mainly consists of two parts: open loop and closed loop. An important part of the closed-loop power control process is the TPC command update.

[0068] The existing standard stipulates that TPC commands need to be included in the Physical Downlink Control Channel (PDCCH) with Downlink Control Information (DCI) format (Format) 0, or included in the PDCCH of DCI format 3 / 3A and jointly encoded with other TPC commands (at this time, the cyclic redundancy check (Cyclic Redundancy Check, CRC) check bits of the PDCCH are scrambled by the TPC-PUSCH-RNTI). The current PUSCH power control adjustment state is denoted by f(i).

[0069] If the UE-specific parameter (Accumulation-enabled) notified by the r...

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Abstract

The embodiment of the invention provides a power control method, network equipment, a terminal, a device and a storage medium. The method comprises the following steps: acquiring an adaptive modulation coding (AMC) parameter value of a current closed-loop power control period; the AMC parameter value is used for representing a modulation and coding strategy (MCS) of the current closed-loop power control period; and determining a power adjustment value of the next closed-loop power control period based on the AMC parameter value and the power control mode of the current closed-loop power control period. According to the power control method, the network equipment, the terminal, the device and the storage medium provided by the embodiment of the invention, based on the MCS grade range in the AMC, the power consumption and the interference are reduced by controlling over-high power transmission, and the performance is improved and the BLER is reduced by improving over-low power transmission.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a power control method, network equipment, terminal, device, and storage medium. Background technique [0002] The power control process of the Physical Uplink Shared Channel (PUSCH) is to adjust the transmission power of the PUSCH to compensate for the effects of path loss, shadow fading, and fast fading; at the same time, the power control of the PUSCH is also used to control The level of interference between cells. [0003] In the prior art, PUSCH power control mainly consists of two parts: an open loop and a closed loop. An indispensable and important part in the closed-loop power control process is transmission power control (Transmission Power Control, TPC) command update. PUSCH power control is performed by updating TPC commands. [0004] However, the solutions in the prior art will cause that there is no suitable modulation and coding strategy (Mod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04W52/26
CPCH04L1/0003H04L1/0009H04W52/262H04W52/26H04L1/00H04W52/18
Inventor 徐明宇宋溪刘蓉
Owner DATANG MOBILE COMM EQUIP CO LTD