A method performed by a base station for information transmission, comprising: determining multiple enhanced transmission occasion configurations, wherein there is a one-to-one correspondence between the multiple enhanced transmission occasion configurations and multiple channel loss magnitude ranges; determining a first channel loss magnitude range which a channel loss magnitude with a user equipment belongs to in the multiple channel loss magnitude ranges; determining a first enhanced transmission occasion configuration corresponding to the first channel loss magnitude range, wherein the multiple enhanced transmission occasion configurations comprises the first enhanced transmission occasion configuration, a time width occupied by an enhanced transmission occasion is greater than a time width occupied by a non-enhanced transmission occasion, and an enhanced transmission occasion configuration comprises at least one of the followings: a size and/or a location of a frequency resource occupied by an enhanced transmission occasion, a size and/or a location of a time resource occupied by an enhanced transmission occasion; performing (102; 303; 403b) an information transmission on an enhanced transmission occasion configured by the first enhanced transmission occasion configuration according to a transmission type, wherein the transmission type comprises at least one of the followings: a number M of repetition transmission, a transmission time interval bundling size M, an aggregation level L. determining multiple enhanced transmission occasion configurations, wherein there is a one-to-one correspondence between the multiple enhanced transmission occasion configurations and multiple channel loss magnitude ranges; determining a first channel loss magnitude range which a channel loss magnitude with a user equipment belongs to in the multiple channel loss magnitude ranges; determining a first enhanced transmission occasion configuration corresponding to the first channel loss magnitude range, wherein the multiple enhanced transmission occasion configurations comprises the first enhanced transmission occasion configuration, a time width occupied by an enhanced transmission occasion is greater than a time width occupied by a non-enhanced transmission occasion, and an enhanced transmission occasion configuration comprises at least one of the followings: a size and/or a location of a frequency resource occupied by an enhanced transmission occasion, a size and/or a location of a time resource occupied by an enhanced transmission occasion; a size and/or a location of a frequency resource occupied by an enhanced transmission occasion, a size and/or a location of a time resource occupied by an enhanced transmission occasion; performing (102; 303; 403b) an information transmission on an enhanced transmission occasion configured by the first enhanced transmission occasion configuration according to a transmission type, wherein the transmission type comprises at least one of the followings: a number M of repetition transmission, a transmission time interval bundling size M, an aggregation level L. a number M of repetition transmission, a transmission time interval bundling size M, an aggregation level L.