A signal communication method comprising: a user equipment determining a first set of sub-frames and a second set of sub-frames in one or more radio frames; and the user equipment communicating with a base station of a serving cell in the first set of sub-frames and communicating with another entity than the base station of the serving cell in the second set of sub-frames, wherein: wherein the user equipment is an evolved TDD user equipment; the user equipment communicates different data with the base station of the serving cell and with other entity than the base station of the serving cell; the user equipment determining the first set of sub-frames and the second set of sub-frames in one or more radio frames comprises: the user equipment determining uplink sub-frames and downlink sub-frames in the first set and determining sub-frames in which the user equipment is configured as transmission status and sub-frames in which the user equipment is configured as reception status in the second set according to received configuration information from a network side; wherein the determined second set of sub-frames are configured by the base station of the serving cell as uplink sub-frames for a non-evolved user equipment; or the second set of sub-frames are configured by the base station of the serving cell as sub-frames in which the non-evolved user equipment cannot transmit a signal, wherein the non-evolved user equipment is a user equipment which is not an evolved TDD user equipment. a user equipment determining a first set of sub-frames and a second set of sub-frames in one or more radio frames; and the user equipment communicating with a base station of a serving cell in the first set of sub-frames and communicating with another entity than the base station of the serving cell in the second set of sub-frames, wherein: wherein the user equipment is an evolved TDD user equipment; the user equipment communicates different data with the base station of the serving cell and with other entity than the base station of the serving cell; the user equipment determining the first set of sub-frames and the second set of sub-frames in one or more radio frames comprises: the user equipment determining uplink sub-frames and downlink sub-frames in the first set and determining sub-frames in which the user equipment is configured as transmission status and sub-frames in which the user equipment is configured as reception status in the second set according to received configuration information from a network side; wherein the determined second set of sub-frames are configured by the base station of the serving cell as uplink sub-frames for a non-evolved user equipment; or the second set of sub-frames are configured by the base station of the serving cell as sub-frames in which the non-evolved user equipment cannot transmit a signal, wherein the non-evolved user equipment is a user equipment which is not an evolved TDD user equipment. wherein the user equipment is an evolved TDD user equipment; the user equipment communicates different data with the base station of the serving cell and with other entity than the base station of the serving cell; the user equipment determining the first set of sub-frames and the second set of sub-frames in one or more radio frames comprises: the user equipment determining uplink sub-frames and downlink sub-frames in the first set and determining sub-frames in which the user equipment is configured as transmission status and sub-frames in which the user equipment is configured as reception status in the second set according to received configuration information from a network side; wherein the determined second set of sub-frames are configured by the base station of the serving cell as uplink sub-frames for a non-evolved user equipment; or the second set of sub-frames are configured by the base station of the serving cell as sub-frames in which the non-evolved user equipment cannot transmit a signal, wherein the non-evolved user equipment is a user equipment which is not an evolved TDD user equipment. the user equipment determining uplink sub-frames and downlink sub-frames in the first set and determining sub-frames in which the user equipment is configured as transmission status and sub-frames in which the user equipment is configured as reception status in the second set according to received configuration information from a network side; wherein the determined second set of sub-frames are configured by the base station of the serving cell as uplink sub-frames for a non-evolved user equipment; or the second set of sub-frames are configured by the base station of the serving cell as sub-frames in which the non-evolved user equipment cannot transmit a signal, wherein the non-evolved user equipment is a user equipment which is not an evolved TDD user equipment.