Multiple frequency band information signal frequency band conversion
View Patent ↗A wireless device includes processing circuitry and a Radio Frequency (RF) receiver section. The processing circuitry determines a set of information signals for receipt, the set of information signals carried by a RF Multiple Frequency Bands Multiple Standards (MFBMS) signal having a plurality of information signal frequency bands. The processing circuitry determines a shift frequency based upon the determination. the RF receiver section receives the RF MFBMS signal and down-converts the RF MFBMS signal by the shift frequency to produce a baseband/low Intermediate Frequency (BB/IF) MFBMS signal. The processing circuitry then extracts data from the set of information signals of the BB/IF MFBMS signal.
1. A method comprising:
receiving a Radio Frequency (RF) Multiple Frequency Bands Multiple Standards (MFBMS) signal having a plurality of information signal frequency bands and corresponding to a plurality of communication protocols;
for a first set of information signals of the RF MFBMS signal, down-converting the RF MFBMS signal by a first shift frequency to produce a first baseband/low Intermediate Frequency (BB/IF) MFBMS signal, the first shift frequency based upon at least a first communication protocol corresponding to the first set of information signals;
for a second set of information signals of the RF MFBMS signal, down-converting the RF MFBMS signal by a second shift frequency to produce a second BB/IF MFBMS signal, wherein the second shift frequency differs from the first shift frequency, and down converting the RF MFBMS signal by the second shift frequency causes at least one information signal frequency band of the BB/IF MFBMS signal to be shifted below zero frequency, the second shift frequency based upon at least a second communication protocol corresponding to the second set of information signals;
combining the first and second BB/IF MFBMS signals to produce combined BB/IF MFBMS signals;
high pass filtering the combined BB/IF MFBMS signals to remove the at least one information signal frequency band that is shifted below zero frequency; and
extracting data from the combined BB/IF MFBMS signals corresponding to a plurality of differing communication protocols.
2. The method of claim 1 , further comprising, for a third set of information signals of the RF MFBMS signal, down-converting the RF MFBMS signal by a third shift frequency to produce a third BB/IF MFBMS signal.
3. The method of claim 1 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises the first set of information signals; and
a second information signal frequency band of the RF MFBMS signal comprises the second set of information signals.
4. The method of claim 1 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a Wireless Local Area Network (WLAN) frequency band; and
a second information signal frequency band of the RF MFBMS signal comprises a cellular telephony frequency band.
5. The method of claim 1 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a Wireless Personal Area Network (WPAN) frequency band; and
a second information signal frequency band of the RF MFBMS signal comprises a cellular telephony frequency band.
6. The method of claim 1 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a bidirectional communication frequency band; and
a second information signal frequency band of the RF MFBMS signal comprises a Global Positioning System (GPS) frequency band.
7. The method of claim 1 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a first bi-directional communication frequency band;
a second information signal frequency band of the RF MFBMS signal comprises a second bi-directional communication frequency band; and
a third information signal frequency band of the RF MFBMS signal comprises a Global Positioning System (GPS) frequency band.
8. A method comprising:
receiving a Radio Frequency (RF) Multiple Frequency Bands Multiple Standards (MFBMS) signal having a plurality of information signals carried in a plurality of information signal frequency bands and corresponding to a plurality of communication protocols;
down-converting the RF MFBMS signal by a first shift frequency to produce a first baseband/low Intermediate Frequency (BB/IF) MFBMS signal, wherein down converting the RF MFBMS signal by the first shift frequency causes at least one information signal frequency band to be shifted below zero frequency, the first shift frequency based upon at least a first communication protocol;
down-converting the RF MFBMS signal by a second shift frequency to produce a second baseband/low Intermediate Frequency (BB/IF) MFBMS signal, wherein down converting the RF MFBMS signal by the second shift frequency causes at least one information signal frequency band to be shifted below zero frequency, the first second frequency based upon at least a second communication protocol;
combining the first and second BB/IF MFBMS signals to produce combined BB/IF MFBMS signals;
high pass filtering the combined BB/IF MFBMS signals to remove the at least one information signal frequency band that is shifted below zero frequency; and
extracting data from the combined BB/IF MFBMS signals corresponding to a plurality of differing communication protocols.
9. The method of claim 8 , wherein down-converting the RF MFBMS signal by the first shift frequency to produce a baseband/low Intermediate Frequency (BB/IF) MFBMS signal comprises:
down-converting the RF MFBMS signal by a first selected shift frequency when the RF MFBMS signal carries a first set of information signals; and
down-converting the RF MFBMS signal by a second selected shift frequency when the RF MFBMS signal carries a second set of information signals.
10. The method of claim 8 , wherein down-converting the RF MFBMS signal by the first shift frequency to produce a baseband/low Intermediate Frequency (BB/IF) MFBMS signal comprises:
down-converting the RF MFBMS signal by a first shift selected frequency when the RF MFBMS signal carries a first set of information signals;
down-converting the RF MFBMS signal by a second selected shift frequency when the RF MFBMS signal carries a second set of information signals; and
down-converting the RF MFBMS signal by a third shift selected frequency when the RF MFBMS signal carries a third set of information signals.
11. The method of claim 8 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a first set of information signals; and
a second information signal frequency band of the RF MFBMS signal comprises a second set of information signals.
12. The method of claim 8 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a Wireless Local Area Network (WLAN) frequency band; and
a second information signal frequency band of the RF MFBMS signal comprises a cellular telephony frequency band.
13. The method of claim 8 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a Wireless Personal Area Network (WPAN) frequency band; and
a second information signal frequency band of the RF MFBMS signal comprises a cellular telephony frequency band.
14. The method of claim 8 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a bidirectional communication frequency band; and
a second information signal frequency band of the RF MFBMS signal comprises a Global Positioning System (GPS) frequency band.
15. The method of claim 8 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a first bi-directional communication frequency band;
a second information signal frequency band of the RF MFBMS signal comprises a second bi-directional communication frequency band; and
a third information signal frequency band of the RF MFBMS signal comprises a Global Positioning System (GPS) frequency band.
16. A wireless device comprising:
processing circuitry; and
a RF receiver section coupled to the processing circuitry, the processing circuitry and receiver section operable to:
determine a set of information signals for receipt, the set of information signals carried by a Radio Frequency (RF) Multiple Frequency Bands Multiple Standards (MFBMS) signal having a plurality of information signal frequency bands and corresponding to a plurality of communication protocols;
determine a first shift frequency based upon the determination, the first shift frequency based upon at least a first communication protocol;
determine a second shift frequency based upon the determination, the second shift frequency based upon at least a second communication protocol;
receive the RF MFBMS signal;
down-convert the RF MFBMS signal by the first shift frequency to produce a first baseband/low Intermediate Frequency (BB/IF) MFBMS signal, wherein the first baseband/low Intermediate Frequency (BB/IF) MFBMS signal having at least one information signal frequency band shifted below zero frequency;
down-convert the RF MFBMS signal by the second shift frequency to produce a second baseband/low Intermediate Frequency (BB/IF) MFBMS signal, wherein the second baseband/low Intermediate Frequency (BB/IF) MFBMS signal having at least one information signal frequency band shifted below zero frequency;
combine the first and second BB/IF MFBMS signals to produce combined BB/IF MFBMS signals;
high pass filter the combined BB/IF MFBMS signals to remove the at least one information signal frequency band that is shifted below zero frequency; and
extract data from the combined BB/IF MFBMS signals corresponding to a plurality of differing communication protocols.
17. The wireless device of claim 16 , wherein in down-converting the RF MFBMS signal by the first shift frequency to produce a baseband/low Intermediate Frequency (BB/IF) MFBMS signal, the RF receiver section is operable to:
down-convert the RF MFBMS signal by a first selected shift frequency when the RF MFBMS signal carries a first set of information signals; and
down-converting the RF MFBMS signal by a second selected shift frequency when the RF MFBMS signal carries a second set of information signals.
18. The wireless device of claim 16 , wherein in down-converting the RF MFBMS signal by the first shift frequency to produce a baseband/low Intermediate Frequency (BB/IF) MFBMS signal, the RF receiver section is operable to:
down-convert the RF MFBMS signal by a first selected shift frequency when the RF MFBMS signal carries a first set of information signals;
down-convert the RF MFBMS signal by a second selected shift frequency when the RF MFBMS signal carries a second set of information signals; and
down-convert the RF MFBMS signal by a third selected shift frequency when the RF MFBMS signal carries a third set of information signals.
19. The wireless device of claim 16 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a Wireless Local Area Network (WLAN) frequency band; and
a second information signal frequency band of the RF MFBMS signal comprises a cellular telephony frequency band.
20. The wireless device of claim 16 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a Wireless Personal Area Network (WPAN) frequency band; and
a second information signal frequency band of the RF MFBMS signal comprises a cellular telephony frequency band.
21. The wireless device of claim 16 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a bidirectional communication frequency band; and
a second information signal frequency band of the RF MFBMS signal comprises a Global Positioning System (GPS) frequency band.
22. The wireless device of claim 16 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a first bi-directional communication frequency band;
a second information signal frequency band of the RF MFBMS signal comprises a second bi-directional communication frequency band; and
a third information signal frequency band of the RF MFBMS signal comprises a Global Positioning System (GPS) frequency band.