A method for wireless communication by a base station, BS, comprising: determining assistance information regarding one or more cells that cause or potentially cause interference with at least a first user equipment, UE, served in a serving cell, wherein the assistance information comprises: a transmission power ratio, TPR, wherein the TPR indicates a transmission power level; scheduling information for one or more downlink channels transmitted in the one or more cells, wherein the scheduling information includes semi-static transmission characteristics of the one or more cells, wherein the semi-static transmission characteristics of the one or more cells comprise a set of transmission power ratio, TPR, values, or a set of transmission schemes or modulation restrictions, or a set of resource allocation type restrictions, or a set of possible downlink control information, DCI, sizes or formats, or a set of possible radio network temporary identifiers, RNTIs, or a set of virtual cell identifiers, IDs, used by at least one of the one or more cells; and at least one of a synchronisation indicator, a subframe alignment indicator, a radio frame boundary indicator, paging information associated with the one or more cells, an identifier associated with one or more subframes for interference suppression, or a starting physical downlink channel symbol position; and signaling the assistance information to the first UE for interference mitigation. determining assistance information regarding one or more cells that cause or potentially cause interference with at least a first user equipment, UE, served in a serving cell, wherein the assistance information comprises: a transmission power ratio, TPR, wherein the TPR indicates a transmission power level; scheduling information for one or more downlink channels transmitted in the one or more cells, wherein the scheduling information includes semi-static transmission characteristics of the one or more cells, wherein the semi-static transmission characteristics of the one or more cells comprise a set of transmission power ratio, TPR, values, or a set of transmission schemes or modulation restrictions, or a set of resource allocation type restrictions, or a set of possible downlink control information, DCI, sizes or formats, or a set of possible radio network temporary identifiers, RNTIs, or a set of virtual cell identifiers, IDs, used by at least one of the one or more cells; and at least one of a synchronisation indicator, a subframe alignment indicator, a radio frame boundary indicator, paging information associated with the one or more cells, an identifier associated with one or more subframes for interference suppression, or a starting physical downlink channel symbol position; and a transmission power ratio, TPR, wherein the TPR indicates a transmission power level; scheduling information for one or more downlink channels transmitted in the one or more cells, wherein the scheduling information includes semi-static transmission characteristics of the one or more cells, wherein the semi-static transmission characteristics of the one or more cells comprise a set of transmission power ratio, TPR, values, or a set of transmission schemes or modulation restrictions, or a set of resource allocation type restrictions, or a set of possible downlink control information, DCI, sizes or formats, or a set of possible radio network temporary identifiers, RNTIs, or a set of virtual cell identifiers, IDs, used by at least one of the one or more cells; and at least one of a synchronisation indicator, a subframe alignment indicator, a radio frame boundary indicator, paging information associated with the one or more cells, an identifier associated with one or more subframes for interference suppression, or a starting physical downlink channel symbol position; and signaling the assistance information to the first UE for interference mitigation.