MULTIPLE FREQUENCY BAND INFORMATION SIGNAL UNIVERSAL FRONT END
A wireless device includes processing circuitry, a receiver section, a transmitter section, and an antenna. The processing circuitry determines a set of information signals of a RF Multiple Frequency Bands Multiple Standards (MFBMS) signal. The receiver section includes a plurality of receive paths, each having down-conversion circuitry that down-converts a portion of the RF MFBMS signal by a respective shift frequency to produce a corresponding baseband/low Intermediate Frequency (BB/IF) information signal. A combiner combines the plurality of BB/IF information signals to form a BB/IF MFBMS signal, from which the processing circuitry extracts data. The transmitter section includes a plurality of transmit paths, each having up-conversion circuitry operable to up-convert a respective BB/IF information signal received from the processing circuitry by a respective shift frequency to produce a corresponding RF information signal and a combiner that combines the RF information signals to form a RF MFBMS signal.
1 . A wireless device comprising:
processing circuitry operable to determine a set of Radio Frequency (RF) information signals for receipt, the set of RF information signals of a RF Multiple Frequency Bands Multiple Standards (MFBMS) signal having a plurality of information signal frequency bands;
an antenna operable to receive the RF MFBMS signal;
a receiver section coupled to the antenna and to the processing circuitry and comprising:
a plurality of receive paths, each receive path comprising down-conversion circuitry operable to down-convert at least a portion of the RF MFBMS signal by a respective shift frequency to produce a corresponding baseband/low Intermediate Frequency (BB/IF) information signal; and
a combiner operable to combine the plurality of BB/IF information signals produced by the plurality of receive paths to form a BB/IF MFBMS signal; and
the processing circuitry operable to extract data from the BB/IF MFBMS signal corresponding to the set of RF information signals.
2 . The wireless device of claim 1 , wherein:
a first receive path of the plurality of receive paths is operable to down-convert the RF MFBMS signal by a first shift frequency to produce a first BB/IF information signal;
a second receive path of the plurality of receive paths is operable to down-convert the RF MFBMS signal by a second shift frequency to produce a second BB/IF information signal; and
the combiner is operable to combine the first and second BB/IF information signals to produce the BB/IF MFBMS signal.
3 . The wireless device of claim 1 , wherein:
a first receive path of the plurality of receive paths is operable to down-convert the RF MFBMS signal by a first shift frequency to produce a first BB/IF information signal;
a second receive path of the plurality of receive paths is operable to down-convert the RF MFBMS signal by a second shift frequency to produce a second BB/IF information signal;
a third receive path of the plurality of receive paths is operable to down-convert the RF MFBMS signal by a third shift frequency to produce a third BB/IF information signal; and
the combiner is operable to combine the first, second, and third BB/IF information signals to produce the BB/IF MFBMS signal.
4 . The wireless device of claim 1 , wherein the down-conversion circuitry of each of the plurality of receive paths is operable to down-convert the RF MFBMS signal by a common shift frequency.
5 . The wireless device of claim 1 , wherein the RF receiver section further comprises a Low Noise Amplifier (LNA) coupled between the antenna and the plurality of receive paths.
6 . The wireless device of claim 1 , wherein each of the plurality of receive paths further comprises a Low Noise Amplifier (LNA) coupled between the antenna and the down-conversion circuitry.
7 . The wireless device of claim 1 , wherein each of the plurality of receive paths further comprises filter circuitry coupled between the antenna and the down-conversion circuitry.
8 . The wireless device of claim 1 , wherein each of the plurality of receive paths further comprises filter circuitry coupled between the down-conversion circuitry and the combiner and operable to filter the respective BB/IF information signal; and
9 . The wireless device 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.
10 . The wireless device 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.
11 . The wireless device of claim 1 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a bi-directional communication frequency band; and
a second information signal frequency band of the RF MFBMS signal comprises a Global Positioning System (GPS) frequency band.
12 . The wireless device 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.
13 . A wireless device comprising:
processing circuitry operable to produce a plurality of baseband/low Intermediate Frequency (BB/IF) information signals;
a transmitter section coupled to the processing circuitry and comprising:
a plurality of transmit paths, each transmit path comprising up-conversion circuitry operable to up-convert a respective BB/IF information signal by a respective shift frequency to produce a corresponding Radio Frequency (RF) information signal; and
a combiner operable to combine the RF information signals produced by the plurality of transmit paths to form a RF Multiple Frequency Bands Multiple Standards (MFBMS) signal having a plurality of information signal frequency bands; and
an antenna coupled to the transmitter section operable to transmit the RF MFBMS signal.
14 . The wireless device of claim 13 , wherein each of the plurality of BB/IF information signals resides within a respective BB/IF frequency band.
15 . The wireless device of claim 13 , wherein:
a first transmit path of the plurality of transmit paths is operable to up-convert a respective BB/IF information signal by a first shift frequency to produce a first RF information signal;
a second transmit path of the plurality of transmit paths is operable to up-convert a respective BB/IF information signal by a second shift frequency to produce a second RF information signal; and
the combiner is operable to combine the first and second RF information signals to produce the RF MFBMS signal.
16 . The wireless device of claim 13 , wherein:
a first transmit path of the plurality of transmit paths is operable to up-convert a respective BB/IF information signal by a first shift frequency to produce a first RF information signal;
a second transmit path of the plurality of transmit paths is operable to up-convert a respective BB/IF information signal by a second shift frequency to produce a second RF information signal;
a third transmit path of the plurality of transmit paths is operable to up-convert a respective BB/IF information signal by a third shift frequency to produce a third RF information signal; and
the combiner is operable to combine the first, second, and third RF information signals to produce the RF MFBMS signal.
17 . The wireless device of claim 13 , wherein the up-conversion circuitry of each of the plurality of transmit paths is operable to up-convert a respective BB/IF information signal by a common shift frequency.
18 . The wireless device of claim 13 , wherein the transmitter section further comprises a Power Amplifier (PA) coupled between the antenna and the combiner.
19 . The wireless device of claim 13 , wherein each of the plurality of transmit paths further comprises a Power Amplifier (PA) coupled between the up-conversion circuitry and the combiner.
20 . The wireless device of claim 13 , wherein each of the plurality of transmit paths further comprises filter circuitry coupled between the processing circuitry and the up-conversion circuitry.
21 . The wireless device of claim 13 , wherein each of the plurality of transmit paths further comprises filter circuitry coupled between the up-conversion circuitry and the combiner.
22 . The wireless device of claim 13 , 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.
23 . The wireless device of claim 13 , 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.
24 . The wireless device of claim 13 , wherein:
a first information signal frequency band of the RF MFBMS signal comprises a bi-directional communication frequency band; and
a second information signal frequency band of the RF MFBMS signal comprises a Global Positioning System (GPS) frequency band.
25 . The wireless device of claim 13 , 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.