An enhanced carrier aggregation scheduling method for use in a User Equipment, UE (U2, 200), the method comprising the following steps: Step A: receiving a high layer signaling (S21) to determine K sets of configuration information, the K sets of configuration information correspond to K serving cells respectively, and the configuration information comprising a first index, a second index, a third index and the working frequency band information; Step B: receiving a first signaling (S22) on a first serving cell, the first signaling comprising a fourth index and scheduling information; Step C: determining a second serving cell (S23) according to a first set of the configuration information and the fourth index of the first signaling, and transporting a wireless signal on the second serving cell (S23, S24) according to the scheduling information of the first signaling; wherein the first signaling is a physical layer signaling, the transporting is receiving (S23) or transmitting (S24), the first serving cell and the second serving cell are respectively one of the K serving cells; the first set of the configuration information is the configuration information corresponding to the first serving cell, a second set of the configuration information is the configuration information corresponding to the second serving cell; each of the first indexes of the K sets of the configuration information is unique; a number of bits of the third index is less than a number of bits of the first index; and the second set of the configuration information is one set of the configuration information in the K sets of the configuration information satisfying the following conditions: - a value of the second index equals to a value of the first index of the first set of the configuration information; - a value of the third index equals to a value of the fourth index of the first signaling. Step A: receiving a high layer signaling (S21) to determine K sets of configuration information, the K sets of configuration information correspond to K serving cells respectively, and the configuration information comprising a first index, a second index, a third index and the working frequency band information; Step B: receiving a first signaling (S22) on a first serving cell, the first signaling comprising a fourth index and scheduling information; Step C: determining a second serving cell (S23) according to a first set of the configuration information and the fourth index of the first signaling, and transporting a wireless signal on the second serving cell (S23, S24) according to the scheduling information of the first signaling; wherein the first signaling is a physical layer signaling, the transporting is receiving (S23) or transmitting (S24), the first serving cell and the second serving cell are respectively one of the K serving cells; the first set of the configuration information is the configuration information corresponding to the first serving cell, a second set of the configuration information is the configuration information corresponding to the second serving cell; each of the first indexes of the K sets of the configuration information is unique; a number of bits of the third index is less than a number of bits of the first index; and the second set of the configuration information is one set of the configuration information in the K sets of the configuration information satisfying the following conditions: - a value of the second index equals to a value of the first index of the first set of the configuration information; - a value of the third index equals to a value of the fourth index of the first signaling. - a value of the second index equals to a value of the first index of the first set of the configuration information; - a value of the third index equals to a value of the fourth index of the first signaling. <EOS>