User equipment, comprising: a processor; and memory comprising computer program codes; said memory and said computer program codes configured to, with said processor, cause said user equipment to perform at least the following: generate a dedicated reference signal for each subframe assuming that said dedicated signal is to be mapped to a plurality of physical resource blocks that span a range of frequency and time components corresponding to a system bandwidth or full bandwidth of a cell associated with a base station of an Orthogonal Frequency Division Multiplexing, OFDM, based wireless communication system; generate a user equipment-specific reference signal by selecting elements of said dedicated reference signal corresponding to the physical resource blocks assigned to the user equipment from said plurality of physical resource blocks and actually mapping those elements onto the resource elements of the assigned physical resource blocks foreseen for transmission of user equipment-specific reference signals, wherein said memory and said computer program codes are further configured to, with said processor, cause said user equipment to initialize said user equipment-specific reference signal in each subframe according to a subframe number, wherein the generation of the dedicated reference signal is performed in accordance with the respective subframe number. a processor; and memory comprising computer program codes; said memory and said computer program codes configured to, with said processor, cause said user equipment to perform at least the following: generate a dedicated reference signal for each subframe assuming that said dedicated signal is to be mapped to a plurality of physical resource blocks that span a range of frequency and time components corresponding to a system bandwidth or full bandwidth of a cell associated with a base station of an Orthogonal Frequency Division Multiplexing, OFDM, based wireless communication system; generate a user equipment-specific reference signal by selecting elements of said dedicated reference signal corresponding to the physical resource blocks assigned to the user equipment from said plurality of physical resource blocks and actually mapping those elements onto the resource elements of the assigned physical resource blocks foreseen for transmission of user equipment-specific reference signals, wherein said memory and said computer program codes are further configured to, with said processor, cause said user equipment to initialize said user equipment-specific reference signal in each subframe according to a subframe number, wherein the generation of the dedicated reference signal is performed in accordance with the respective subframe number. generate a dedicated reference signal for each subframe assuming that said dedicated signal is to be mapped to a plurality of physical resource blocks that span a range of frequency and time components corresponding to a system bandwidth or full bandwidth of a cell associated with a base station of an Orthogonal Frequency Division Multiplexing, OFDM, based wireless communication system; generate a user equipment-specific reference signal by selecting elements of said dedicated reference signal corresponding to the physical resource blocks assigned to the user equipment from said plurality of physical resource blocks and actually mapping those elements onto the resource elements of the assigned physical resource blocks foreseen for transmission of user equipment-specific reference signals, wherein said memory and said computer program codes are further configured to, with said processor, cause said user equipment to initialize said user equipment-specific reference signal in each subframe according to a subframe number, wherein the generation of the dedicated reference signal is performed in accordance with the respective subframe number.