최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0220355 (2011-08-29) |
등록번호 | US-8379564 (2013-02-19) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 19 인용 특허 : 678 |
The present invention is generally directed to systems and device for monitoring remote device with a wireless, dual-mode communication protocol. As such, a representative embodiment is a system for monitoring and controlling remote devices. The system includes a first and a second remote device; an
The present invention is generally directed to systems and device for monitoring remote device with a wireless, dual-mode communication protocol. As such, a representative embodiment is a system for monitoring and controlling remote devices. The system includes a first and a second remote device; and a first and a second wireless transceiver integrated with the respective remote devices. The wireless transceivers are configured to communicate with at least one of a spread-spectrum communication protocol and a fixed-frequency communication protocol.
1. A wireless transceiver used within a system for monitoring remote devices, said wireless transceiver comprising: an RF transceiver for communicating in a spread-spectrum communication protocol and a fixed-frequency communication protocol, the RF transceiver comprising:a spread-spectrum communicat
1. A wireless transceiver used within a system for monitoring remote devices, said wireless transceiver comprising: an RF transceiver for communicating in a spread-spectrum communication protocol and a fixed-frequency communication protocol, the RF transceiver comprising:a spread-spectrum communication protocol chipset for communicating in a first modulation scheme at a first radiating-power level; anda fixed-frequency communication protocol chipset for communicating in a second modulation scheme at a second radiating-power level;a data controller coupled to the RF transceiver for processing data communicated by the RF transceiver; anda memory comprising spread-spectrum logic implemented by at least one of the data controller and the RF transceiver, the spread-spectrum logic configured to:prepare a preamble portion and a data portion of a transmit-communication frame, the preamble portion comprising a first data channel index indicative of a first data channel frequency for communicating the data portion of the transmit-communication frame;transmit the preamble portion of the transmit-communication frame at a first frequency channel; andtransmit the data portion of the transmit-communication frame at the first data channel frequency, andwherein the memory further comprises fixed-frequency logic implemented by at least one of the data controller and the RF transceiver, the fixed-frequency logic configured to:prepare a preamble portion and a data portion of a fixed frequency communication frame; andtransmit the preamble portion and the data portion at a fixed-frequency designated channel frequency. 2. The transceiver of claim 1, wherein the memory further comprises: an acquisition channels table storing a first set of frequency channels designated for communicating the preamble portion of the transmit-communication frame; anda data channels table storing a second set of frequency channels designated for communicating the data portion of the transmit-communication frame. 3. The transceiver of claim 2, wherein the spread-spectrum logic is further configured to: receive a preamble portion of a receive-communication frame at a second frequency channel;detect a second data channel index in the preamble portion of the receive-communication frame indicative of a second data channel frequency for communicating a data portion of the receive-communication frame; andreceive the data portion of the receive-communication frame at the second data channel frequency. 4. The transceiver of claim 3, wherein spread-spectrum logic is further configured to traverse through the first set of frequency channels in the acquisition channels table until synchronizing with a transmitting transceiver at a frequency channel, whereupon the frequency channel at which synchronization occurs is the second frequency channel. 5. The transceiver of claim 3, wherein the first frequency channel and the second frequency channel are the same. 6. The transceiver of claim 1, wherein the spread-spectrum logic is further configured to change the first or second modulation scheme for either of said communication protocols in accordance with a received remote command. 7. The transceiver of claim 1, wherein the spread-spectrum logic is further configured to change the radiating-power levels for either of said communication protocols in accordance with a received remote command. 8. The transceiver of claim 1, wherein the first modulation scheme is the same as said second modulation scheme. 9. The transceiver of claim 1, wherein the memory further comprises a receiver address table storing identification addresses of other devices with which the transceiver may communicate. 10. The transceiver of claim 9, wherein the receiver address table further stores a communication protocol and modulation scheme for each of the other devices with which the transceiver may communicate. 11. The transceiver of claim 1, wherein the memory further comprises a fixed-frequency channels table for storing a third set of frequency channels designated for communicating the fixed-frequency communication frame. 12. The transceiver of claim 1, further comprising a data interface coupled to said data controller for communicating data to and from at least a first remote device. 13. The transceiver of claim 2, wherein the first remote device is a utility meter, and wherein the data communicated is utility consumption data. 14. The transceiver of claim 2, wherein the first remote device is a pipe leakage sensor, and wherein the data communicated is leakage data. 15. The transceiver of claim 2, wherein the first remote device is a water quality sensor, and wherein the data communicated is water quality data. 16. The transceiver of claim 2, wherein the first remote device is an identification tag, and wherein the data communicated is identification data. 17. In a system for monitoring and controlling remote devices, the system comprising a plurality of remote devices, a gateway, and a plurality of wireless transceivers, wherein each wireless transceiver in the plurality of wireless transceivers is configured to communicate signals via at least one of a fixed-frequency communication protocol and a spread-spectrum communication protocol, a dual-mode transceiver integrated with at least one remote device in the plurality of remote devices, the dual-mode transceiver comprising: an RF transceiver configured to communicate with at least one of a first wireless transceiver in the plurality of wireless transceivers and the gateway;a data controller in communication with the RF transceiver, the data controller configured to process data to be communicated by the RF transceiver; andmemory comprising: a receiver address table storing an identification address, a receiver communication protocol, and a receiver modulation scheme for the at least one of the first wireless transceiver and the gateway;a spread-spectrum logic implemented by at least one of the data controller and the RF transceiver, the spread-spectrum logic configured to execute a spread-spectrum transmit process if the receiver communication protocol is the spread-spectrum communication protocol, the spread-spectrum transmit process comprising: preparing a preamble portion and a data portion of a transmit-communication frame, the preamble portion comprising a first data channel index indicative of a first data channel frequency for communicating the data portion of the transmit-communication frame;transmitting the preamble portion of the transmit-communication frame to the at least one of the first wireless transceiver and the gateway at a first frequency channel with the receiver modulation scheme; andtransmitting the data portion of the transmit-communication frame to the at least one of the first wireless transceiver and the gateway at the first data channel frequency with the receiver modulation scheme; anda fixed-frequency logic implemented by at least one of the data controller and the RF transceiver, the fixed-frequency logic configured to execute a fixed-frequency transmit process if the receiver communication protocol is the fixed-frequency protocol, the fixed-frequency transmit process comprising: preparing the preamble portion and the data portion of the transmit-communication frame; andtransmitting the preamble portion and the data portion to the at least one of the first wireless transceiver and the gateway at a fixed-frequency designated channel frequency with the receiver modulation scheme. 18. The dual-mode transceiver of claim 17, wherein the memory further comprises a receive logic configured to execute a receive process, the receive process comprising: receiving a preamble portion of a receive-communication frame from at least one of the first wireless transceiver and the gateway at a second frequency channel;detecting a second data channel index in the preamble portion of the receive-communication frame indicative of a second data channel frequency for communicating a data portion of the receive-communication frame; andreceiving the data portion of the receive-communication frame at the second data channel frequency.
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