FIELD: information technology.
SUBSTANCE: placement of pilot signals is determined based on an assignment of resources for transmission. Different placements of pilot signals are used for different assignments of resources. The assignment may be for one or more frames and/or one or more H-ARQ interlaces. The placement of pilot signal(s) in each frame or H-ARQ interlace may be determined based on the placement of pilot signal(s) in prior frame(s) or H-ARQ interlace(s). Pilot signals are sent at time and frequency locations determined by the placement of the pilot signals. Each pilot signal may be sent on one or more subcarriers in one or more symbol periods. The pilot signals may be TDM pilot signals and/or some other type of pilot signals. The pilot signals may be sent using IFDMA, LFDMA, EFDMA, OFDMA, or some other multiplexing scheme.
EFFECT: high efficiency of transmitting pilot signals while reducing service load for processing the pilot signals.
37 cl, 16 dwg
