RADIO TRANSMITTING/RECEIVING CIRCUIT, WIRELESS COMMUNICATION APPARATUS, AND RADIO TRANSMITTING/RECEIVING METHOD

• US 20120020391A1
• Filed: 03/26/2010
• Published: 01/26/2012
• Est. Priority Date: 04/02/2009
• Status: Active Grant

• Current Assignee: Sovereign Peak Ventures, LLC (Dominion Harbor Enterprises, LLC)
• Original Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Inventors: Yoshikawa, Hiroyuki
• Granted Patent: US 8,594,160 B2
• Time in Patent Office: Days
• US Class Current: 375/219
• CPC Class Codes: H04W 52/0203 in the radio access network or backbone network of wireless communication networks
• CPC Class Codes: H04W 52/0251 using monitoring of local events, e.g. events related to user activity
• CPC Class Codes: H04W 52/029 reducing the clock frequency of the controller
• CPC Class Codes: H04W 72/12 Wireless traffic scheduling
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A radio transmitting/receiving circuit, a wireless communication apparatus and a radio transmitting/receiving method wherein low power consumption can be achieved without complicating software even if a plurality of communication systems are applied. In a control unit (117) of a radio transmitting/receiving circuit (103), according to a communication system applied to a radio transmitting/receiving unit, a clock control unit (122) selects a clock frequency; a program decoder (125) adjusts information included in a transmission/reception program and related to the execution timing of the transmission/reception program for the radio transmitting/receiving unit; and a timing control unit (123) controls the execution timing on the basis of the adjusted information related to the execution timing. Specifically, the information related to the execution timing includes a bit sequence indicating an ON/OFF timing for the radio transmitting/receiving unit in accordance with a first communication system, and the program decoder (125) bit-shifts the bit sequence if a second communication system different from the first communication system is applied to the radio transmitting/receiving unit.

Claims

1-11. -11. (canceled)

12. 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 a 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, which is related to executing timing of the transmitting/receiving program of radio transmitting/receiving section and which is 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.

13. The radio transmitting/receiving circuit according to claim 12, wherein:

the information about 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.

14. The radio transmitting/receiving circuit according to claim 13, 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.

15. The radio transmitting/receiving circuit according to claim 13, 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 a plurality of bit streams.

16. The radio transmitting/receiving circuit according to claim 13, 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.

17. A radio communication apparatus comprising:

a radio transmitting/receiving circuit according to claim 12; 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.

18. 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, which is related to executing timing of the transmitting/receiving program of the radio transmitting/receiving section and which is 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.

19. The radio transmitting/receiving method according to claim 18, wherein:

the information about 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.

20. The radio transmitting/receiving method according to claim 19, 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.

21. The radio transmitting/receiving method according to claim 19, 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 the a plurality of bit streams.

22. The radio transmitting/receiving method according to claim 19, 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.