Power control method and equipment

A power control and transmission power technology, applied in the field of power control methods and equipment, can solve the problems of not considering the influence of MPR power control, and not giving a solution, etc.

Inactive Publication Date: 2012-02-01
HUAWEI TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] However, the inventors found that in the existing power control method, when the power of the device is limited, the channel power of PUSCH is usually adjusted to meet the method, but this method does not consider the influence of MPR on power control
On the other hand, although some documents in the prior art mentioned that MPR should be considered when the power is limited and multi-channel simultaneous transmission, but no specific solution is given.

Method used

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0022] Such as figure 1 The illustrated embodiment of the present invention provides a power control method. When at least two channels are transmitting, the power control of the device can be implemented in combination with the reduction of the maximum transmission power. The method comprises the steps of:

[0023] 101. Acquire a maximum transmit power reduction MPR corresponding to at least two channel transmissions.

[0024] In specific applications, when mult...

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Abstract

The invention discloses a power control method and equipment which relate to the technical field of communication. During multi-channel transmission, the power control of equipment can be realized through reduction in maximum transmitting power. The method comprises the following steps of: acquiring corresponding maximum transmitting power when at least two channels are used for transmission to reduce MPR (Maximum Power Reduction); utilizing the maximum transmitting power to reduce and initiate maximum transmitting power, and computing the reduced maximum transmitting power; and when the sum of the initial transmitting power of the at least two channels is bigger than the reduced maximum transmitting power, adjusting the transmitting power of the channel of the highest priority in the at least two channels to the minimum value of the initial transmitting power and the initial maximum transmitting power of the channel of the highest priority, and adjusting the transmitting power of other channels in the at least two channels to zero. The embodiment of the invention is mainly used in the power adjusting process of communication equipment.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a power control method and equipment. Background technique [0002] In a communication system, when a device transmits a signal, in order to avoid interference to other users and reduce the implementation complexity and cost of the device, each device has a maximum transmit power, and the power of the signal transmitted by the device cannot exceed this maximum transmit power. When there are multiple channels transmitting at the same time, the sum of the transmit power of all channels cannot exceed the maximum transmit power. If the sum of the transmit power of all channels exceeds the maximum transmit power, it is necessary to reduce the power of all or some channels until all channels The sum of the transmit powers does not exceed the maximum transmit power. Taking LTE as an example, the transmission power of the k-th PUSCH (Physical Uplink Shared CHannel) trans...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/00
CPCY02B60/50Y02D30/70
Inventor 冯淑兰
Owner HUAWEI TECH CO LTD
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