Patent ID: 8681669

Claim:
A dual mode radio base station, wherein the dual mode radio base station is configured to support a frequency division duplex (FDD) mode of operation and a time division duplex (TDD) mode of operation, the dual mode radio base station comprising: a base-band unit comprising: (1) a first set of components each of which is configured to provide functionality while the dual mode radio base station is operating in both the FDD mode of operation and the TDD mode of operation at the same time; and (2) a second set of components each of which is configured to provide functionality: (a) only while the dual mode radio base station is operating in the FDD mode of operation or (b) only while the e dual mode radio base station is operating in the TDD mode of operation; and a radio unit comprising: (1) a third set of components each of which is configured to provide functionality while the dual mode radio base station is operating in both the FDD mode of operation and the TDD mode of operation at the same time; and (2) a fourth set of components each of which is configured to provide functionality: (a) only while the dual mode radio base station is operating in the FDD mode of operation or (b) only while the dual mode radio base station is operating in the TDD mode of operation.