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Uplink transmit power adjustment and device

A transmission power and power adjustment technology, applied in the field of uplink transmission power adjustment and devices, can solve the problems of little change in channel conditions, low transmission reliability, and uncertainty of the start time of data packets.

Active Publication Date: 2021-01-12
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the prior art, according to the power-related parameters configured by the base station, only fixed power can be calculated, that is, the same power is used for each data transmission, and the start time of sending a data packet cannot be determined at present, so the power of a data packet cannot be guaranteed. The number of repeated transmissions, resulting in the reliability of data packet transmission cannot be guaranteed
In addition, multiple repeated transmissions use the same power, and the time sensitivity is not high
In addition, during the multiple repetitions of one data packet transmission, the channel conditions may not change much, and the situation of deep fading at the same time will cause the reliability of this transmission to be low.

Method used

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  • Uplink transmit power adjustment and device
  • Uplink transmit power adjustment and device
  • Uplink transmit power adjustment and device

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Embodiment Construction

[0096]The embodiments of this application may be applied to wireless communication systems. It should be noted that the wireless communication systems mentioned in the embodiments of this application include but are not limited to: Narrow Band-Internet of Things (NB-IoT), Global Mobile Communication system (Global System for Mobile Communications, GSM), Enhanced Data rate for GSM Evolution (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access 2000 system (Code Division Multiple Access, CDMA2000), Time Division-Synchronization Code Division Multiple Access (TD-SCDMA), Long Term Evolution (LTE) and the next generation of 5G mobile communication systems Large application scenarios Enhanced Mobile BroadBand (eMBB), URLLC and Massive Machine-Type Communications (mMTC).

[0097]figure 1 A schematic structural diagram of a communication system provided for this application.

[0098]Such asfigure 1 As shown, the communication system 01 includes a network device 101...

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Abstract

The present application provides an uplink sending power adjustment method and apparatus. The method comprises: a terminal receives configuration information sent by a network device, the configuration information comprising: the maximum number of repetitions k of repeated transmission and parameters for determining the initial sending power, wherein k is an integer greater than 0; determine the actual sending power of a data packet according to the maximum number of repetitions k of the repeated transmission, the initial sending power, and the time domain position of an initial transmission for sending the data packet. The actual sending power of the data packet can be flexibly determined during transmission of data packets so as to better guarantee the reliability of transmission of the data packet.

Description

Technical field[0001]This application relates to wireless communication technology, and in particular to an uplink transmission power adjustment and device.Background technique[0002]The International Telecommunication Union (ITU) defines three types of application scenarios for the fifth generation (5G) communication system and future mobile communication systems, including: enhanced mobile broadband (eMBB), high reliability and low time Extended communications (ultra reliable and low latency communications, URLLC) and massive machine type communications (mMTC). Typical URLLC business application scenarios include: wireless control, virtual reality technology, remote surgery and other tactile interactive applications in industrial manufacturing. The main characteristics of these services are that they require ultra-high reliability and low latency. In industrial manufacturing, once every movement of every piece of equipment has a deviation, it will affect the overall production effe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/14H04W52/18
CPCH04W52/146H04W52/18H04W52/14
Inventor 张言飞高峰杨坤
Owner HUAWEI TECH CO LTD
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