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Energy saving method and apparatus, and computer-readable storage medium

專利號
US11606747B2
公開日期
2023-03-14
申請人
HUAWEI TECHNOLOGIES CO., LTD.（CN Guangdong）
發(fā)明人
Jindong Peng; Wei Zhang
IPC分類
H04W52/02; H04W24/08
技術(shù)領(lǐng)域
rrus,rru,rs,downlink,rsrps,rsrp,terminal,transmit,power,in
地域： Guangdong

摘要

A centralized controller determines n radio remote units (RRUs) in m RRUs, where a sum of first downlink reference signal received powers (RSRPs) of a same terminal, corresponding to the n RRUs, is greater than or equal to a first preset value, and a first downlink RSRP of one terminal corresponding to one is a received power that is estimated by the centralized controller, that is measured by the terminal, and that is of a reference signal (RS) from the RRU at a corresponding first RS transmit power. The centralized controller turns off an RRU that is in the m RRUs and that is different from the n RRUs, boosts a second RS transmit power corresponding to each of the n RRUs to a corresponding first RS transmit power, and enables each of the n RRUs to send an RS at the corresponding first RS transmit power.

說明書

Suplink RSRP is a sum of linear values of the uplink RSRPs, of the first terminal, corresponding to the m RRUs. Sdownlink RSRP is a sum of linear values of the second downlink RSRPs, of the first terminal, corresponding to the m RRUs, RSRP1′ is a linear value of an uplink RSRP, of the first terminal, corresponding to the first RRU, and RSRP1 is the linear value of the second downlink RSRP, of the first terminal, corresponding to the first RRU. The centralized controller determines the second downlink RSRP, of the first terminal, corresponding to the first RRU, based on the linear value of the second downlink RSRP, of the first terminal, corresponding to the first RRU. In this possible implementation, a manner of determining the second downlink RSRP of the RRU is provided.

In a possible implementation, that the centralized controller determines n RRUs in the m RRUs includes: The centralized controller determines whether a sum of first downlink RSRPs, of each of the plurality of terminals, corresponding to any j RRUs in the m RRUs is greater than or equal to a first preset value; and if yes, the centralized controller determines the j RRUs as the n RRUs; or if not, the centralized controller assigns j=j+1, and continues to determine whether a sum of first downlink RSRPs, of each of the plurality of terminals, corresponding to any j RRUs in the m RRUs is greater than or equal to the first preset value, until the n RRUs are determined. An initial value of j is a preset value. In this possible implementation, then RRUs in the in RRUs are determined by using the preset value as the initial value, so that a quantity of the determined n RRUs can be as small as possible. This further reduces the power consumption of the communications system.

權(quán)利要求

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