SYSTEM AND METHOD FOR MULTI-STANDARD SIGNAL COMMUNICATIONS
Approaches enable multi-standard communications between wireless sensor nodes for wireless sensor networks. For example, approaches enable wireless communications between devices where each device may use a different wireless transmission protocols, via one or more multi-standard intermediate devices. The multi-standard intermediate device can include a multi-band radio frequency front-end unit that includes a first frequency digitalization pathway and a second frequency digitalization pathway, and a multi-band radio frequency back-end unit that includes a multi-band analog pathway to implement such approaches.
1 . A multi-band wireless device, comprising:
a first multi-band radio frequency front component configured to:
receive, using a first frequency antenna, a first signal in a first carrier frequency range via a first frequency digitalization pathway,
receive, concurrently using a second frequency antenna, a second signal in a second carrier frequency range that does not overlap with the first carrier frequency range via a second frequency digitalization pathway; and
a second multi-band radio frequency component configured to:
generate the first signal in the first carrier frequency range using a multi-band analog pathway and a first frequency power amplifier, and
generate the second signal in the second carrier frequency range using the multi-band analog pathway and a second frequency power amplifier.
2 . The multi-band wireless device of claim 1 , further comprising:
a digital signal processor associated with the first multi-band radio frequency component, the digital signal processor configured to
generate a digitalized first signal corresponding to the first signal using the first frequency digitalization pathway; and
generate a digitalized second signal corresponding to the second signal using the second frequency digitalization pathway.
3 . The multi-band wireless device of claim 2 , wherein the first antenna comprises a 800 MHz-1 G antenna, and the second frequency antenna comprises a 2.4 GHz-2.5 GHz antenna, and wherein the first frequency power amplifier comprises a 800 MHz-1 G power.
4 . The multi-band wireless device of claim 2 , wherein the digital signal processor is further configured to
demodulate the digitalized first signal using a first demodulator associated with a first transmission protocol; and
demodulate the digitalized first second signal using a second demodulator associated with a second transmission protocol.
5 . The multi-band wireless device of claim 1 , wherein the first carrier frequency range comprises a radio frequency range of 800 to 1 GHz, the second carrier frequency range comprises a radio frequency range of 2.4 to 2.5 GHz.
amplifier, and the second frequency power amplifier comprises a 2.4 GHz-2.5 GHz power amplifier.
6 . The multi-band wireless device of claim 1 , wherein the first frequency digitalization pathway comprises a first low noise amplifier, a first filter, a first mixer, a first anti alias filter, and a first ADC, and wherein the second frequency digitalization pathway comprises a second low noise amplifier, a second filter, a second mixer, a second anti alias filter, and a second ADC.
7 . The multi-band wireless device of claim 1 , wherein the first frequency digitalization pathway comprises a first digital processing module configured to condition the digitalized first signal, the first digital processing module comprising a first digital mixer, a first decimation filter and a first channel select filter, and wherein the second frequency digitalization pathway comprises a second digital processing module configured to condition the digitalized second signal, the second digital processing module comprising a second digital mixer, a second decimation filter and a second channel select filter.
8 . The multi-band wireless device of claim 7 , wherein each of the first digital processing module and the second digital processing module is one of a plurality of digital processing modules corresponding to a plurality of specific transmission protocols.
9 . The multi-band wireless device of claim 1 , wherein the multi-band analog pathway comprises a multi-band modulator, a DAC, a filter, and a driver.
10 . A system for receiving and transmitting multi-band signals, comprising:
a multi-band radio frequency front-end unit including a first frequency digitalization pathway associated with a first antenna and a second frequency digitalization pathway associated with a second antenna, the multi-band radio frequency front-end unit configured to:
receive a signal in a carrier frequency range using one of the first antenna or the second antenna that is configured to receive signals in the carrier frequency range,
generate a digitalized signal using one of the first frequency digitalization pathway or the second frequency digitalization pathway corresponding to the first antenna or the second antenna that receives the signal;
a digital signal processor associated with the multi-band radio frequency front-end unit, the digital signal processor configured to:
condition the digitalized signal using a digital processing module corresponding to a specific transmission protocol to generate a conditioned signal, and
demodulate the conditioned signal using a demodulator associated with the specific transmission protocol; and
a multi-band radio frequency end unit including a multi-band analog pathway associated with a first frequency power amplifier and a second frequency power amplifier, the multi-band radio frequency end unit configured to:
generate the signal in the carrier frequency range using the multi-band analog pathway and one of the first frequency power amplifier or the second frequency power amplifier that is configured to generate signals in the carrier frequency range.
11 . The system of claim 10 , wherein the multi-band radio frequency front-end unit is further configured to
receive, concurrently, a second signal in a second carrier frequency range that does not overlap with the carrier frequency range using another one of the first antenna or the second antenna that is configured to receive signals in the second carrier frequency range; and
generate a second digitalized signal using the another one of the first frequency digitalization pathway or the second frequency digitalization pathway corresponding to the another one of the first antenna or the second antenna that is configured to receive signals in the second carrier frequency range.
12 . The system of claim 10 , wherein the system is one of a plurality of systems configure to communicate with each other and form a mesh network.
13 . The system of claim 10 , wherein the specific transmission protocol is one of a plurality of transmission protocols including Zigbee, Bluetooth, ANT+, Z-Wave, EnOcean, 802.11ah, Insteon and other unlicensed bands.
14 . The system of claim 10 , further comprising a multi-standard medium access control (MAC) coordinator, the MAC coordinator configured to
enable the system to process the signal according to the specific transmission protocol.
15 . The system of claim 10 , further comprising an inter-system medium access control (MAC), the inter-system MAC coordinator configured to coordinate the system to communicate with another system.
16 . The system of claim 10 , further comprising a plurality of demodulators corresponding to a plurality of transmission protocols.
17 . A method for using a multi-band device, comprising:
receiving, concurrently, one or more radio signals in one or more carrier frequency ranges using one of a first antenna or a second antenna that is configured to receive signals in the one or more carrier frequency ranges, the first antenna and the second antenna both being associated with a multi-radio frequency front-end unit;
generating one or more digitalized signals corresponding to the one or more radio signals using one of a first frequency digitalization pathway or a second frequency digitalization pathway corresponding to the one of the first antenna or the second antenna that receives the one or more radio signals;
determining one or more digital processing modules corresponding to the one or more digitalized signals, each of the one or more digital processing modules being associated with a specific carrier frequency range; and
generating the one or more radio signals in the one or more carrier frequency ranges using a multi-band analog pathway and one of a first frequency power amplifier or a second frequency power amplifier that is configured to generate the one or more radio signals in the one or more carrier frequency ranges, the first frequency power amplifier and the second frequency power amplifier both being associated with a multi-band radio frequency back-end unit.
18 . The method of claim 17 , further comprising
processing the one or more digitalized signals using the determined one or more digital process modules, each of the one or more digitalized signals corresponding to a respective digital process module of the one or more digital process modules.
19 . The method of claim 17 , wherein at least a portion of the one or more carrier frequency ranges corresponds to one of a plurality of transmission protocols.
20 . The method of claim 17 , further comprising
demodulating the one or more digitalized signals using one or more demodulators, each of the one or more demodulators corresponding to a respective carrier frequency range of the one or more carrier frequency ranges.