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Method and device for configuring transmitted power

A technology of transmitting power and configuration method, applied in the field of mobile communication, can solve the problem of inability to configure the transmitting power, and achieve the effect of reducing the transmitting power

Active Publication Date: 2010-11-03
朱栋梁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0032] The present invention is proposed to solve the problem in the related art that it is impossible to configure the transmit power of each physical uplink channel on the component carrier. Therefore, the main purpose of the present invention is to provide a transmit power configuration method and device

Method used

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  • Method and device for configuring transmitted power

Examples

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Embodiment 1

[0278] Suppose an LTE-A system works in frequency division duplex mode, and there are five downlink component carriers D1, D2, D3, D4, D5, and five uplink component carriers U1, U2, U3, U4, U5 in the system.

[0279] On subframe i, a certain user equipment is scheduled by the base station to send physical uplink shared channels PUSCH (i, 1) and PUSCH (i, 2) on two uplink component carriers U1 and U2 respectively, and on five uplink component carriers U1, No other physical uplink channels are sent on U2, U3, U4, and U5. The estimated transmission power of PUSCH(i, 1) is P′ PUSCH (i, 1), the estimated transmission power of PUSCH (i, 2) is P′ PUSCH (i, 2), the maximum configured output power of the user equipment is P CMAX , the unit of the above three values ​​is mW.

[0280] 1) When the power is not limited, that is, the sum of the estimated transmission power of PUSCH (i, 1) and PUSCH (i, 2) of the user equipment on subframe i is less than or equal to the maximum configured...

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Abstract

The invention discloses a method and a device for configuring transmitted power, wherein the method for configuring the transmitted power comprises the following steps of: calculating the power parameters of all physical uplink shared channels (PUSCH); judging whether PUSCHs the power parameters of which are larger than a threshold value exist or not; if so, setting the transmitted power of at least a part of the PUSCHs to be 0; judging whether the summation of the estimated transmitted power of the PUSCHs the transmitted power of which is not set to be 0 and the estimated transmitted power of a physical uplink control channel (PUCCH) is larger than the maximum configuration output power of user equipment or not; and if not, setting the transmitted power of the PUSCHs the transmitted power of which is not set to be 0 to be the estimated transmitted power of the PUCCH. The invention solves the problem that the transmitted power of all physical uplink channels on component carriers cannot be configured in the prior art and effectively reduces the transmitted power of all the physical uplink channels.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a method and device for configuring transmission power. Background technique [0002] In the 3GPP LTE (The 3rd Generation Partnership Project Long Term Evolution, 3rd Generation Partnership Project Long Term Evolution) system, uplink power control (Uplink Power Control, referred to as uplink power control or power control) is used to control the physical uplink channel (Uplink Physical Channel) to compensate for path loss and shadowing of the channel, and suppress inter-cell interference. Wherein, the physical uplink channel controlled by the uplink power control includes a physical uplink shared channel (Physical Uplink Shared Channel, PUSCH), a physical uplink control channel (Physical Uplink Control Channel, PUCCH) and a measurement reference signal (Sounding Reference Signal, SRS). LTE uplink power control adopts a control method combining open loop (Open Loop) and closed...

Claims

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Application Information

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IPC IPC(8): H04W52/34
CPCH04W52/367H04W52/146H04W52/246H04W52/22Y02B60/50
Inventor 朱鹏喻斌
Owner 朱栋梁
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