A method for wireless communication, performed by a user equipment, UE, and comprising: identifying a number of antenna ports used for a narrowband downlink shared channel transmission; identifying (405, 1405) a first power ratio between a first energy per resource element, EPRE, and a narrowband reference signal, NB-RS, EPRE for the narrowband downlink shared channel transmission based at least in part on the number of antenna ports; wherein the first EPRE is for two or more orthogonal frequency division multiplexing, OFDM, symbols in which a cell-specific reference signal, CRS, and a narrowband reference signal, NB-RS, are absent; wherein identifying the first power ratio comprises: receiving a first power parameter in radio resource control, RRC, signaling; and identifying the first power ratio based at least in part on the first power parameter; identifying, based at least in part on the first power ratio, the first EPRE; identifying (415, 1415) a second power ratio between a CRS EPRE and a second EPRE for a resource element containing the downlink shared channel transmission within an OFDM symbol containing the CRS; wherein identifying the second power ratio comprises: receiving a second power parameter in a system information block, SIB; and identifying the second power ratio based at least in part on the second power parameter and the first power ratio; identifying, based at least in part on the second power ratio, one or more of the CRS EPRE and the second EPRE; and demodulating at least a portion of the narrowband downlink shared channel transmission received in the two or more OFDM symbols based at least in part on the first and second power ratios and the identified one or more of the CRS EPRE and the second EPRE. identifying a number of antenna ports used for a narrowband downlink shared channel transmission; identifying (405, 1405) a first power ratio between a first energy per resource element, EPRE, and a narrowband reference signal, NB-RS, EPRE for the narrowband downlink shared channel transmission based at least in part on the number of antenna ports; wherein the first EPRE is for two or more orthogonal frequency division multiplexing, OFDM, symbols in which a cell-specific reference signal, CRS, and a narrowband reference signal, NB-RS, are absent; wherein identifying the first power ratio comprises: receiving a first power parameter in radio resource control, RRC, signaling; and identifying the first power ratio based at least in part on the first power parameter; identifying, based at least in part on the first power ratio, the first EPRE; identifying (415, 1415) a second power ratio between a CRS EPRE and a second EPRE for a resource element containing the downlink shared channel transmission within an OFDM symbol containing the CRS; wherein identifying the second power ratio comprises: receiving a second power parameter in a system information block, SIB; and identifying the second power ratio based at least in part on the second power parameter and the first power ratio; identifying, based at least in part on the second power ratio, one or more of the CRS EPRE and the second EPRE; and demodulating at least a portion of the narrowband downlink shared channel transmission received in the two or more OFDM symbols based at least in part on the first and second power ratios and the identified one or more of the CRS EPRE and the second EPRE.