Radio transmitting/receiving circuit, wireless communication apparatus, and radio transmitting/receiving method

1. A radio transmitting/receiving circuit that is formed to be able to transmit and receive in a plurality of communication schemes, and transmits and receives a radio signal using one transmitting/receiving program that is common among the plurality of communication schemes, the circuit comprising:

a radio transmitting/receiving section; and

a control section comprising:

a clock control section that switches a clock frequency according to a communication scheme applied to the radio transmitting/receiving section;

an adjustment section that adjusts information, the information defining executing timing at which an execution of the transmitting/receiving program of the radio transmitting/receiving section starts and the information being included in the transmitting/receiving program, according to the communication scheme applied to the radio transmitting/receiving section; and

a timing control section that controls executing timing of the transmitting/receiving program based on the switched clock frequency and the information about the adjusted executing timing.

2. The radio transmitting/receiving circuit according to claim 1 , wherein:

the information defining the executing timing includes a first bit stream showing on timing of the radio transmitting/receiving section according to a first communication scheme; and

when a second communication scheme different from the first communication scheme is applied to the radio transmitting/receiving section, the adjustment section adjusts the executing timing of transmitting/receiving program by using a second bit stream that is generated by bit-shifting the first bit stream for M bits, M being a positive integer.

3. The radio transmitting/receiving circuit according to claim 2 , wherein, when the second communication scheme is applied to the radio transmitting/receiving section, the adjustment section adjusts the executing timing of transmitting/receiving program by the second bit stream and a third bit stream acquired by adding the second bit stream generated by bit-shifting the first bit stream for N bits, N being a different positive integer from M.

4. The radio transmitting/receiving circuit according to claim 2 , wherein, when the second communication scheme is applied to the radio transmitting/receiving section, the adjustment section generates a plurality of bit streams generated by bit-shifting the first bit stream for a plurality of bits, and adjusts the executing timing of transmitting/receiving program by using a bit stream acquired by adding the plurality of bit streams.

5. The radio transmitting/receiving circuit according to claim 2 , wherein, when a third communication scheme different from the first communication scheme and the second communication scheme is applied, the adjustment section bit-shifts the first bit stream by a shift value that is different from when the second communication scheme is applied.

6. A radio communication apparatus comprising:

a radio transmitting/receiving circuit according to claim 1 ; and

a baseband process circuit that outputs a transmitting baseband signal to the radio transmitting/receiving circuit and receives a receiving baseband signal from the radio transmitting/receiving circuit.

7. A radio transmitting/receiving method to transmit and receive a radio signal using one transmitting/receiving program that is common among a plurality of communication schemes, the method comprising:

switching a clock frequency according to a communication scheme applied to a radio transmitting/receiving section;

adjusting information, the information defining executing timing at which an execution of the transmitting/receiving program of the radio transmitting/receiving section starts and the information being included in the transmitting/receiving program, according to the communication scheme applied to the radio transmitting/receiving section; and

controlling the executing timing of the transmitting/receiving program based on the switched clock frequency and the information about the adjusted executing timing.

8. The radio transmitting/receiving method according to claim 7 , wherein:

the information defining the executing timing includes a first bit stream showing on timing of the radio transmitting/receiving section according to a first communication scheme;

when a second communication scheme different from a first communication scheme is applied to the radio transmitting/receiving section, the executing timing is adjusted by using a second bit stream generated by bit-shifting the first bit stream for M bits, M being a positive integer.

9. The radio transmitting/receiving method according to claim 8 , wherein, when the second communication scheme is applied to the radio transmitting/receiving section, the executing timing is adjusted by using the second bit stream and a third bit stream acquired by adding the second bit stream generated by bit-shifting the first bit stream for N bits, N being a different positive integer from M.

10. The radio transmitting/receiving method according to claim 8 , wherein, when the second communication scheme is applied to the radio transmitting/receiving section, the adjustment of executing timing generates a plurality of bit streams generated by bit-shifting the first bit stream for a plurality of bits, and adjusts the executing timing of transmitting/receiving program by using a bit stream acquired by adding a plurality of bit streams.

11. The radio transmitting/receiving method according to claim 8 , wherein, when a third communication scheme different from the first communication scheme and the second communication scheme is applied, the adjustment of executing timing bit-shifts the first bit stream by a shift value that is different from when the second communication scheme is applied.