Energy saving method and apparatus, and computer-readable storage medium
摘要
說(shuō)明書(shū)
It should be noted that, one uplink subframe includes 14 symbols, first 13 symbols are used to send data, and the last symbol is used to send the SRS, Therefore, the first 13 symbols may be referred to as data symbols, and the last symbol may be referred to as an SRS symbol. In a specific implementation of step (31), the BBU may control one terminal to send the SRS in the SRS symbol. The in RRUs do not combine, and only one RRU performs uplink transmission, that is, in the SRS symbol, only one RRU is turned on and other RRUs are turned off. In this way, an uplink RSRP of the SRS sent by the terminal through the RRU is measured on the RRU. In a specific implementation, the centralized controller may turn on the RRUs in the in RRUs in turn, to obtain an uplink RSRP, of the terminal, corresponding to each of the in RRUs. For example, only the first RRU in the m RRUs is turned on in an uplink subframe 1, to obtain an uplink RSRP, of the terminal, corresponding to the first RRU. Only a second RRU in the m RRUs is turned on in an uplink subframe 2, to obtain an uplink RSRP, of the terminal, corresponding to the second RRU.
It should be noted that, the m RRUs may still combine to transmit the data in the data symbols.
For example, referring to Table 2, it is assumed that there are six terminals and m=4, uplink RSRPs that are measured by the centralized controller, that are of the terminal 1. the terminal 2, the terminal 3, the terminal 4, the terminal 5, and the terminal 6 and that corresponds to an RRU i are respectively Pu1i, Pu2i, Pu3i, Pu4i, Pu5i, and Pu6i.
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