FIELD: information technologies.
SUBSTANCE: single-address reference symbols are multiplexed with transfers in a single-frequency network, which use duration of a longer cyclic prefix. Single-address reference symbols are sent in the first symbol of a slot, containing both a single-address transfer and a transfer in a single-frequency network. Frequency used for single-address reference symbols alternates between the first symbol and the next symbol in a subframe.
EFFECT: provision of feedback in a common frequency range.
46 cl, 15 dwg
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