[미국특허]
Electric monitoring system using a random phase multiple access system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04B-001/707
H04J-013/00
H04B-001/7103
H04B-007/06
G01D-004/00
H04B-001/7073
H04L-027/233
H04W-072/04
H04L-007/00
H04L-001/18
H04L-001/00
H04W-074/08
H04L-027/00
출원번호
US-0916263
(2013-06-12)
등록번호
US-8831072
(2014-09-09)
발명자
/ 주소
Sinsuan, Kenneth C.
Myers, Theodore J.
Cohen, Lewis N.
Werner, Daniel Thomas
Hughes, Matthew
Boesel, Robert W.
Singler, Patrick M.
출원인 / 주소
On-Ramp Wireless, Inc.
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
0인용 특허 :
190
초록▼
Methods, systems, and apparatuses, including computer programs encoded on computer-readable media, are configured for receiving monitor data from an electric meter. A data stream is created based upon the monitor data. The data stream is spread with a common pseudo-noise (PN) code that is used by a
Methods, systems, and apparatuses, including computer programs encoded on computer-readable media, are configured for receiving monitor data from an electric meter. A data stream is created based upon the monitor data. The data stream is spread with a common pseudo-noise (PN) code that is used by a plurality of nodes in communication with an access point. The spread data stream is transmitted at a first time based on a slot start time and a first randomly selected timing offset. The spread data stream is transmitted while at least a portion of a second spread data stream is transmitted at a second time based on the slot start time and a second randomly selected timing offset. The second spread data stream is spread with the common PN code.
대표청구항▼
1. A method of monitoring electricity, the method comprising: receiving, at a processor, monitor data from an electric meter;creating a data stream based upon the monitor data;spreading the data stream with a common pseudo-noise (PN) code, wherein the common PN code is used by a plurality of nodes i
1. A method of monitoring electricity, the method comprising: receiving, at a processor, monitor data from an electric meter;creating a data stream based upon the monitor data;spreading the data stream with a common pseudo-noise (PN) code, wherein the common PN code is used by a plurality of nodes in communication with an access point; andtransmitting the spread data stream at a first time based on a slot start time and a first randomly selected timing offset, wherein the spread data stream is transmitted while at least a portion of a second spread data stream is transmitted, wherein the second spread data stream is spread with the common PN code, and wherein the second spread data stream is transmitted at a second time based on the slot start time and a second randomly selected timing offset. 2. The method of claim 1, further comprising: determining a loss of power from the electric meter; andinitiating a transmission of the spread data stream based upon the determination of the loss of power. 3. The method of claim 1, wherein the monitor data comprises data representing a voltage, a current, voltage imbalance, current imbalance, swags, swells, reactive power, or total power. 4. The method of claim 1, further comprising: determining tampering of the electric meter; andinitiating a transmission of the spread data stream based upon the determination of tampering. 5. The method of claim 1, further comprising: receiving a first command to disconnect an electrical service monitored by the electric meter; andsending a second command to the electric meter to disconnect the electrical service. 6. The method of claim 1, further comprising: receiving a maximum threshold; andthrottling electrical service to operate below the maximum threshold if the monitor data indicates that the electrical service is operating above the maximum threshold. 7. The method of claim 1, further comprising receiving, from the access point, a monitor read schedule, wherein receiving the monitor data is based upon the received monitor read schedule. 8. The method of claim 1, wherein transmitting the spread data stream is based upon a transmission schedule. 9. The method of claim 1, further comprising receiving, from the access point, a transmission schedule, wherein transmitting the monitor data is based upon the received transmission schedule. 10. The method of claim 1, wherein the first randomly selected timing offset is between zero and a spreading factor used to spread the data stream minus one. 11. The method of claim 1, further comprising retransmitting the spread data stream with a third randomly selected timing offset if an acknowledgement is not received within a predetermined time period. 12. The method of claim 1, wherein the common PN code comprises a gold code. 13. An electric meter comprising: a monitor configured to: monitor an electrical service; andprovide monitor data based upon the monitoring of the electrical service; anda transmit apparatus comprising: a pseudo-noise (PN) spreader configured to receive a data stream comprising the monitor data and spread the data stream with a common PN code, wherein the common PN code is used by a plurality of nodes in communication with an access point;a delay module configured to generate a randomly selected timing offset for the spread data stream; anda transmitter configured to transmit the spread data stream at a first time based on a slot start time and a first randomly selected timing offset, wherein the spread data stream is transmitted while at least a portion of a second spread data stream is transmitted, wherein the second spread data stream is spread with the common PN code, and wherein the second spread data stream is transmitted at a second time based on the slot start time and a second randomly selected timing offset. 14. The electric meter of claim 13, further comprising a processor configured to: determine a loss of power from the electric meter; andinitiate a transmission of the spread data stream based upon the determination of the loss of power. 15. The electric meter of claim 13, further comprising a processor configured to: determine tampering of the electric meter; andinitiate a transmission of the spread data stream based upon the determination of tampering. 16. The electric meter of claim 13, further comprising a processor configured to: receive a first command to disconnect an electrical service monitored by the electric meter; anddisconnect the electrical service. 17. The electric meter of claim 1, further comprising a processor configured to: receive a maximum threshold; andthrottle electrical service to operate below the maximum threshold if the monitor data indicates that the electrical service is operating above the maximum threshold. 18. The electric meter monitor of claim 13, further comprising a receiver configured to receive, from the access point, a monitor read schedule, wherein the monitor provides the monitor data based upon the monitor read schedule. 19. The electric meter monitor of claim 13, wherein the first randomly selected timing offset is between zero and a spreading factor used to spread the data stream minus one. 20. The electric meter monitor of claim 13, wherein the transmitter is further configured to retransmit the spread data stream with a third randomly selected timing offset provided by the delay module if an acknowledgement is not received within a predetermined time period.
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