Inner loop power control method and device

Abstract

The invention provides an inner-loop power control method and inner-loop power control equipment. The method comprises the following steps of: acquiring a carrier-to-interference ratio and a signal-to-interference ratio, which correspond to a physical channel for transmitting a signal, according to the received signal; generating a transmit power control command according to the carrier-to-interference ratio and the signal-to-interference ratio; and transmitting the transmit power control command to a transmitter to enable the transmitter to regulate transmit power according to the transmit power control command. The equipment comprises an acquisition module, a generation module and a transmission module. By using the technical scheme, the shortcomings of the prior art can be overcome, a power control effect can be improved, power waste can be reduced, and interference to a system can be reduced.

Description

technical field [0001] The present invention relates to wireless communication technology, in particular to an inner loop power control method and equipment. Background technique [0002] In the communication system, in order to ensure the design capacity and performance of the system, strict power control technology must be adopted. In a Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system, power control includes open-loop control, outer-loop control and inner-loop control. (inner-loop) control. [0003] Among them, the inner-loop control belongs to the closed-loop power control of the physical layer, which means that the receiving end obtains the signal-to-interference ratio (Signal to Interference Ratio; SIR for short) of the received signal by measuring the received signal, and compares the obtained SIR with the target SIR. Comparing, forming a transmit power control (Transmit Power Control; TPC for short) command according to the comparison result...

AI Technical Summary

Problems solved by technology

[0004] However, due to the loopholes and flaws in the algorithm used by the linear joint detection technology, when the system is under high load conditions, the loopholes in the algorithm are likely to be activated.

When the vulnerability or defect is activated, it may cause the sending end to continuously increase the transmission power and fail to achieve the purpose of power control, and it will also cause power waste and increase interference to the system

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