Automated meter reading system, communication and control network from automated meter reading, meter data collector, and associated methods

• US 20070013547A1
• Filed: 05/23/2006
• Published: 01/18/2007
• Est. Priority Date: 02/14/2003
• Status: Abandoned Application

• Current Assignee: Energy Technology Group, Inc.
• Original Assignee: Energy Technology Group, Inc.
• Inventors: Boaz, Jon
• Application Number:
  US11/439,531
• Publication Number:
  US 20070013547A1
• Time in Patent Office: Days
• US Class Current: 340/870.20
• CPC Class Codes: G01D 2204/45 Utility meters networked together within a single building
• CPC Class Codes: G01D 4/002 Remote reading of utility meters
• CPC Class Codes: H04Q 2209/25 using a mesh network, e.g. a public urban network such as public lighting, bus stops or traffic lights
• CPC Class Codes: H04Q 2209/60 for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter
• CPC Class Codes: H04Q 9/00 Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
• CPC Class Codes: H04W 40/02 Communication route or path selection, e.g. power-based or shortest path routing
• CPC Class Codes: Y02B 90/20 Smart grids as enabling technology in buildings sector smart grids supporting the management or operation of end-user stationary applications in general, or like technologies with no associated climate change mitigation effect Y04S20/00
• CPC Class Codes: Y04S 20/30 Smart metering, e.g. specially adapted for remote reading

Abstract

An automated meter reading network system to collect utility usage data from multiple utility meters having utility meter sensors, program product, and associated methods are provided. The system includes multiple meter data collectors each in communication with one or more utility meters to collect utility usage data and forming a wireless communications network. The system also includes a host computer in communication with the meter data collectors either directly or through multiple field host data collectors which can be connected to the host computer through a wide area network. The system also includes a meter data collector program product at least partially stored in the memory of the host computer to manage the communication network. The meter data collector program product is adapted to analyze signal strength between nodes and to dynamically adjust the power level settings of the individual nodes to enhance network performance.

Claims

1. An automated meter reading network system comprising:

a plurality of utility meters;

a plurality of sensors each interfaced with and positioned adjacent one of the plurality of utility meters to sense utility usage data therefrom;

a plurality of meter data collectors each defining a node and each associated with a separate one of the plurality of utility meters and positioned spaced apart from and in cross-radio frequency communication with a subset of the other ones of the plurality of meter data collectors to thereby define a mesh communication network, each meter data collector including a microcontroller in communication with at least one of the plurality of sensors to collect the utility usage data, memory positioned to store the collected utility usage data, and a radio frequency telemetry module having a transmission power level setting and positioned to transmit the utility usage data;

a host computer positioned remote from and in communication with the plurality of meter data collectors to receive the utility usage data and having a processor to process the utility usage data and memory in communication with the processor to store the utility usage data; and

meter data collector program product at least partially stored in the memory of the host computer and comprising instructions that when executed by the host computer perform the operations of assembling a protocol message packet to transmit data from the host computer to a selected one of the plurality of nodes defining a destination node according to a first preselected route, receiving and analyzing data in the protocol message packet transmitted to the host computer according to a second preselected route, and determining an optimal transmission power level setting of at least one of the plurality of nodes responsive to the data analysis, the protocol message packet having data elements describing a source node, the destination node, and a plurality of intermediate gateway nodes, the descriptions of the source node and the destination node each including a selected transmission power level setting, a selected receive frequency index, a node identification, and a received signal strength indication describing the received signal strength of a transmission from an adjacent node, and the descriptions of each of the plurality of intermediate gateway nodes including a selected transmission power level setting, a selected receive frequency index describing a receive frequency of an adjacent node, a node identification, a first received signal strength indication describing the received signal strength of a transmission from a first adjacent node, and a second received signal strength indication describing the received signal strength of a transmission from a first adjacent node.

2. A system as defined in claim 1, wherein when the protocol message packet is received by the destination node the protocol message packet includes a first determined received signal strength indication data value at each of the plurality of gateway nodes identified in the protocol message packet received from each of the plurality of intermediate gateway nodes.

3. A system as defined in claim 1, wherein the second preselected route is a reverse of the first preselected route, and wherein when the protocol message packet is returned to the source node the protocol message packet includes a determined received signal strength indication data value at each of the source node and the destination node received from the source node and the destination node and a first and a second determined received signal strength indication at each of the plurality of gateway nodes identified in the protocol message packet received from each of the plurality of intermediate gateway nodes.

4. A system as defined in claim 1, wherein the second preselected route is a single segment between the destination node and the source node without intermediate gateway nodes defining a destination node-to-source node segment, wherein the protocol message packet is a refresh segments protocol message packet adapted to retrieve signal strength data for at least one segment along each of the first and second preselected routes, the first and the second preselected routes selected so that a plurality of segments can be refreshed in a single refresh segments protocol message packet transmission circuit to thereby reduce network congestion due to single-segment polling.

5. A system as defined in claim 1, wherein the transmission power level setting for each of the nodes is a respective first transmission power level setting for each node, wherein the protocol message packet is a first protocol message packet, wherein the received signal strength between each adjacent node is a respective first received signal strength between each adjacent node, and wherein the meter data collector program product includes instructions to perform the operations of:

transmitting a second protocol message packet along a third sequence route having a segment common with the first sequence route or the second sequence route defining a common segment having a first and a second common node, the second common node assigned a second transmission power level setting lower than the first transmission power level setting to transmit the second protocol message packet to the first common node;

receiving and validating the first and the second protocol message packets;

comparing a second received signal strength for the first common node along the common segment with an associated first received signal strength responsive to receiving and validating the first and the second protocol message packets; and

assigning the second power level setting to the second common node responsive to the comparison when the respective second received signal strength is greater than or equal to the respective first received signal strength for the common node.

6. A system as defined in claim 1, wherein each meter data collector includes firmware stored in the memory, wherein the protocol message packet further includes a payload data element, and wherein the payload data element data when sent by the host computer includes a firmware update, and wherein the microcontroller of the destination meter data collector is adapted to receive and store the firmware update to thereby provide remote firmware management.

7. A system as defined in claim 6, wherein the payload data includes instructions that when executed by the microcontroller of the destination meter data collector perform the operation of causing the microcontroller to delay implementing the firmware update to allow a synchronized update of the firmware of the microcontrollers of each of a subset of the plurality of meter data collectors.

8. A system as defined in claim 1, wherein the memory of each meter data collector includes volatile and nonvolatile memory elements, wherein the protocol message packet further includes a payload data element, and wherein the payload data element data when sent by the host computer includes memory management instructions, and wherein the microcontroller of each meter data collector is adapted to receive and process the memory management instructions to perform the operation of transferring data between the volatile and nonvolatile memory elements to thereby provide remote memory management.

9. A system as defined in claim 1,

wherein the protocol message packet further includes a payload data element carrying payload data element data including a history pointer indicating a position in memory of a destination meter data collector of indicia of a starting point in the memory of unread history data to thereby prevent history data loss resulting from post transmission protocol message packet loss or corruption resulting in a mismatch between the last history data received by the host computer and the last history data transmitted by the destination meter data collector to thereby enhance history data integrity;

and

wherein the destination meter data collector includes firmware adapted to perform the operation of accessing the history pointer provided in the payload data element, reading a block of history data from the memory of the meter data collector, and loading the read history data in the payload data element for transmission to the host computer.

10. A system as defined in claim 1,

wherein the system further comprises a database accessible to the processor of the host computer and having database records including history data for each of the plurality of utility meters and database records including indicia of a next-read memory location for each of the plurality of meter data collectors;

and

wherein the meter data collector program product further comprises instructions to perform the operations of selecting one of the plurality of meter data collectors defining the destination node, accessing the database to determine the next-read memory location for the selected meter data collector, and loading the next-read memory location into the payload data element of the protocol message packet to thereby provide the destination node the next-read memory location for the history data stored in memory of the destination node to be sent to the host computer for storage in the database.

11. An automated meter reading network system comprising:

a plurality of utility meters;

a plurality of meter data collectors each defining a node and each associated with one of the plurality of utility meters and positioned spaced apart from and in cross-radio frequency communication with a subset of the other ones of the plurality of meter data collectors, each meter data collector including a microcontroller adapted to collect the utility usage data, memory to store the collected utility usage data, and a telemetry module to transmit the utility usage data;

a host computer positioned remote from and in communication with the plurality of meter data collectors to receive the utility usage data and having a processor to process the utility usage data and memory in communication with the processor to store the utility usage data; and

meter data collector program product at least partially stored in the memory of the host computer and comprising instructions that when executed by the host computer perform the operations of;

assembling an outbound message packet to transmit data from the host computer to at least one of the plurality nodes,

receiving and analyzing data appended to an inbound message packet transmitted from the at least one of the plurality of nodes to the host computer responsive to the outbound message packet, and

determining an optimal transmission power level setting of at least one of the plurality of nodes responsive to the data analysis.

12. A system as defined in claim 11,

wherein the data appended to the inbound message packet when received by the host computer includes a determined receive signal strength indication describing the received signal strength of a transmission from a node adjacent the at least one of the plurality of nodes defining an adjacent node;

wherein the operation of receiving data includes the operation of validating the inbound message packet;

wherein the operation of analyzing data includes the operation of processing the received data from the validated inbound message packet responsive to the validation; and

wherein the operation of determining an optimal transmission power level setting includes the operation of at least one of the following;

determining a transmission power level setting of the adjacent node that improves a message packet validation rate of inbound message packets transmitted along the path between the at least one of the plurality of nodes and the adjacent node, and

determining a reduced meter data collector transmission power level setting of the adjacent node that maintains or improves the message packet validation rate of inbound message packets transmitted along the path between the at least one of the plurality of notes and the adjacent node.

13. A system as defined in claim 11, wherein the message packets include data elements describing a source node, a destination node, and an intermediate gateway node, the descriptions of the source node and the destination node each including a selected transmission power level setting, a selected receive frequency index, a node identification, and a received signal strength indication, and the descriptions of each of the plurality of intermediate gateway nodes including a selected transmission power level setting, a selected receive frequency index, a node identification, a first received signal strength indication, and a second received signal strength indication.

14. A system as defined in claim 13, wherein the outbound message packet is transmitted to the destination node via the source node over a first preselected route, wherein the inbound message packet is a version of the outbound message packet transmitted back to the host computer via a second preselected route, and wherein when the inbound message packet is processed by the source node the inbound message packet includes a determined received signal strength indication data value at each of the source node and the destination node received from the source node and the destination node and a first and a second determined received signal strength indication at each of the plurality of gateway nodes identified in the inbound message packet received from each of the plurality of intermediate gateway nodes.

15. A system as defined in claim 14, wherein the second preselected route is a single segment between the destination node and the source node without intermediate gateway nodes defining a destination node-to-source node segment, wherein the outbound and inbound message packets are a refresh segments protocol message packet adapted to retrieve signal strength data for at least one segment along each of the first and second preselected routes, the first and the second preselected routes selected so that a plurality of segments can be refreshed in a single refresh segments message packet transmission circuit to thereby reduce network congestion due to single-segment polling.

16. A system as defined in claim 11, wherein each meter data collector includes firmware stored in the memory, wherein the outbound message packet further includes a payload data element, and wherein the payload data element data when sent by the host computer includes a firmware update, and wherein the microcontroller of the destination meter data collector is adapted to receive and store the firmware update to thereby provide remote firmware management.

17. A system as defined in claim 11, wherein the memory of each meter data collector includes microcontroller flash memory, microcontroller nonvolatile memory, and real-time clock memory, wherein the outbound message packet includes a payload data element, and wherein the payload data element data when sent by the host computer includes memory management instructions, and wherein the microcontroller of each meter data collector is adapted to receive and process the memory management instructions to perform the operation of transferring data between at least one pair of the microcontroller flash memory, microcontroller nonvolatile memory, and real-time clock memory, to thereby provide remote memory management.

18. A system as defined in claim 11, wherein the outbound message packet further includes a payload data element carrying payload data element data including a history pointer indicating a position in memory of a destination meter data collector of indicia of a starting point in the memory of unread history and usage data to thereby prevent history and usage data loss resulting from post transmission inbound message packet loss or corruption resulting in a mismatch between the last history and usage data received by the host computer and the last history and usage data transmitted by the destination meter data collector to thereby enhance history and usage data integrity.

19. A system as defined in claim 18, wherein the inbound message packet is a version of the outbound message packet transmitted back to the host computer, and wherein the destination meter data collector includes firmware adapted to perform the operation of accessing the history pointer provided in the payload data element, reading a block of history and usage data from the memory of the meter data collector, and loading the read history and usage data in the payload data element for transmission to the host computer.

20. A system as defined in claim 11,

wherein the system further comprises a database accessible to the processor of the host computer and having database records including history and usage data for each of the plurality of utility meters and database records including indicia of a next-read memory location for each of the plurality of meter data collectors;

wherein the outbound message packet further includes a payload data element; and

wherein the meter data collector program product further comprises instructions to perform the operations of selecting one of the plurality of meter data collectors defining the destination node, accessing the database to determine the next-read memory location for the selected meter data collector, and loading the next-read memory location into the payload data element of the outbound message packet to thereby provide the destination node the next-read memory location for the history and usage data stored in memory of the destination node to be sent to the host computer for storage in the database.

21. A method of collecting utility meter usage data, the method comprising the steps of:

assembling a message packet to transmit data from a host computer to a selected one of a plurality of nodes defining a destination node according to a first preselected route to the destination node along at least one other of the plurality of nodes;

receiving and analyzing data in the message packet transmitted to the host computer according to a second preselected route from the destination node; and

determining an optimal transmission power level setting of at least one of the plurality of nodes responsive to the data analysis.

22. A method as defined in claim 21,

wherein the method further comprises the steps of determining a received signal strength indication describing the received signal strength of a transmission between adjacent nodes along the first or the second preselected routes for at least one pair of adjacent nodes of the plurality of nodes and uploading the received signal strength indication to the message packet;

wherein the step of receiving the data includes the step of validating the data in the message packet;

wherein the step of analyzing the data includes the step of processing the received data from the validated message packet responsive to the validation; and

wherein the step of determining an optimal transmission power level setting includes at least one of the following steps;

determining a transmission power level setting of the adjacent node that improves a message packet validation rate of inbound message packets transmitted along the path between the at least one of the plurality of nodes and the adjacent node, and

determining a reduced meter data collector transmission power level setting of the adjacent node that maintains or improves the message packet validation rate of inbound message packets transmitted along the path between the at least one of the plurality of nodes and the adjacent node.

23. A method as defined in claim 21, further comprising the steps of determining a received signal strength indication data value at each of a source node and the destination node and determining a first and a second received signal strength indication at each of a plurality of intermediate nodes identified in the message packet along the first and the second preselected routes.

24. A method of collecting utility meter usage data, the method comprising the steps of:

determining a first sequence route from a source node to a destination node through at least one gateway node and a second sequence route from the destination node to the source node;

assigning a transmission power level setting separately to each of the nodes along the first and the second sequence routes;

transmitting a message packet carrying the power level settings to the destination node along the first sequence route; and

determining a received signal strength between each adjacent one of the nodes along at least a portion of at least one of the first and the second sequence routes, the received signal strength indicating that of the received message packet.

25. A method as defined in claim 24, wherein the transmission power level setting for each of the nodes is a respective first transmission power level setting for each node, wherein the message packet is a first message packet, wherein the received signal strength between each adjacent node is a respective first received signal strength between each adjacent node, and wherein the method further comprises the steps of:

receiving and validating the first message packet transmitted along the second sequence route to the source node;

selecting a respective second transmission power level setting for one of the nodes defining a common node;

transmitting a second message packet to a destination node along a third sequence route;

receiving and validating the second message packet transmitted along a fourth sequence route to the source node, the third or fourth sequence routes including the common node and an adjacent node adjacent the common node;

determining a respective second received signal strength at the adjacent node, the second received signal strength indicating a received signal strength associated with the second message packet transmitted between the common node and the adjacent node;

comparing the second received signal strength with the associated first received signal strength for the adjacent node responsive to receiving and validating the first and the second message packets; and

assigning the second power level setting to the at least one of the nodes responsive to the comparison according to at least one of the following sets of criteria;

the second transmission power level setting for the common node improves a message packet validation rate of message packets transmitted along the path between the common node and the adjacent node,

the second transmission power level setting for the common node results in substantially maintaining the message packet validation rate transmitted along the path between the common node and the adjacent node and the second transmission power level setting for the common node is less than the first transmission power level setting for the common node, and

the respective second received signal strength for the adjacent node is greater than the respective first received signal strength for the adjacent node and the second transmission power level setting for the common node is less than the first transmission power level setting for the common node.

26. A method as defined in claim 24, wherein the transmission power level setting for each of the nodes is a respective first transmission power level setting for each node, wherein the message packet is a first message packet, wherein the received signal strength between each adjacent node is a respective first received signal strength between each adjacent node, and wherein the method further comprises the steps of:

receiving and validating the first message packet transmitted along the second sequence route to the source node;

transmitting a second message packet to a destination node along a third sequence route;

receiving and validating the second message packet transmitted along a fourth sequence route to the source node;

determining a respective second received signal strength between each adjacent one of the nodes along the third sequence route and the fourth sequence route indicating received signal strengths associated with the received second message packet;

comparing the second received signal strengths with the first received signal strengths responsive to receiving and validating the first and the second message packets; and

determining a preferred polling sequence route responsive to the comparison.

27. A method as defined in claim 24, wherein the transmission power level settings provided in the message packet are unique for each of the nodes.

28. A method as defined in claim 24,

wherein the second sequence route is a reverse of the first sequence route;

wherein the step of determining a received signal strength between each adjacent node includes the step of determining a respective received signal strength indication data value at each of the at least one gateway nodes and at the destination node;

wherein the received signal strength indication data value at each of the at least one gateway nodes and at the destination node are respective first received signal strength indication data values; and

wherein the method further includes the step of determining a second received signal strength indication data value at each of the at least one gateway nodes and a first received signal strength indication data value at the source node.

29. A method as defined in claim 24,

wherein the second sequence route is a single segment between the destination node and the source node without intermediate gateway nodes defining a destination node-to-source node segment;

and

wherein the step of determining a first sequence route from a source node to a destination node through at least one gateway node and a second sequence route from the destination node to the source node includes the step of selecting the first and the second sequence routes so that a plurality of node-to-node segments along two separate paths to the destination node from the source node can be polled in a single refresh segments message packet transmission to thereby reduce network congestion due to separate segment polling.

30. A method of collecting utility meter usage data, the method comprising the steps of:

determining a first sequence route from a source node to a destination node through at least one gateway node and a second sequence route from the destination node to the source node;

assigning a transmission power level setting separately to each of the nodes along the first and the second sequence routes;

transmitting at least one message packet carrying the power level settings along the first sequence route;

determining a first message packet data return rate;

determining a third sequence route having at least one common segment with the first sequence route or the second sequence route;

varying a transmit power level setting of at least one of the nodes associated with the common segment;

transmitting a second message packet carrying the varied power level setting along the third sequence route;

determining a second message packet data return rate;

comparing the first message packet data return rate to the second message packet data return rate; and

selecting the second power level setting for the at least one of the nodes responsive to the comparison when the second message packet data return rate is greater than the first message packet data return rate.

31. A method of collecting utility meter usage data, the method comprising the steps of:

determining a sequence route from a source node to a destination node through at least one gateway node;

assigning a transmission power level setting separately to each of the nodes; and

transmitting a message packet carrying the power level settings to the destination node along the sequence route.

32. A method as defined in claim 31, wherein the sequence route is a first sequence route, and wherein the method further comprises the steps of:

determining a second sequence route from the destination node to the source node;

receiving the message packet transmitted along the second sequence route to the source node; and

determining a received signal strength at least one of the nodes along the first or the second sequence route indicating a received signal strength associated with the received message packet when received.

33. A method as defined in claim 32, wherein the second sequence route is a reverse of the first sequence route.

34. A method of collecting utility meter usage data, the method comprising the steps of:

determining a sequence route from a source node to a destination node through at least one gateway node and from the destination node to the source node along an alternate pathway;

transmitting a message packet to the destination node along the sequence route;

receiving the message packet transmitted along the sequence route; and

determining a received signal strength at least one of the nodes along the sequence route indicating a signal strength associated with the received message packet when received.

35. A method as defined in claim 34, further comprising the step of assigning a new transmission power level setting to at least one of the nodes along the sequence route responsive to the received signal strength determination.

36. A method of collecting utility meter usage data, the method comprising the steps of:

determining a sequence route from a host computer to a destination meter data collector through at least one intermediate meter data collector;

transmitting a message packet to the destination meter data collector along the sequence route, the message packet having a payload data element including a meter data collector firmware update; and

receiving and storing the firmware update in memory of the destination meter data collector to thereby provide remote firmware management.

37. A method as defined in claim 36, further comprising the steps of receiving and storing the firmware update in memory of each intermediate meter data collector prior to forwarding the message packet to the destination meter data collector.

38. A method as defined in claim 36, further comprising the steps of:

determining a plurality of separate sequence routes from the host computer to a corresponding plurality of destination meter data collectors;

transmitting the firmware update to the plurality of destination meter data collectors; and

delaying implementing the firmware update to allow a synchronized update of the firmware for each of the plurality of destination meter data collectors.

39. A method as defined in claim 36, wherein the payload data element further includes meter data collector memory management parameters, and wherein the method further comprises the steps of:

receiving the memory management parameters; and

transferring data between the volatile and nonvolatile memory elements of the destination meter data collector responsive to the memory management parameters.

40. A method of collecting utility meter usage data, the method comprising the steps of:

determining a sequence route from a host computer to a destination meter data collector through at least one intermediate meter data collector;

transmitting a message packet to the destination meter data collector along the sequence route, the message packet having a payload data element including meter data collector memory management parameters; and

transferring data between the volatile and nonvolatile memory elements of the destination meter data collector responsive to the memory management parameters.

41. A method of collecting utility meter usage data, the method comprising the steps of:

determining a sequence route from a host computer to a destination meter data collector through at least one intermediate meter data collector;

providing a message packet having a payload data element;

loading a history and usage pointer in the payload data element, the history and usage pointer providing indicia of a starting point in memory of the destination meter data collector of unread history and usage data to thereby prevent history and usage data loss resulting from post transmission message packet loss or corruption of a message packet carrying history and usage data, the history and usage data loss resulting in a mismatch between the last history and usage data received by the host computer and the last history and usage data transmitted by the destination meter data collector; and

transmitting the message packet to the destination meter data collector along the sequence route.

42. A method as defined in claim 41, further comprising the steps of:

receiving the message packet by the destination meter data collector;

accessing the history and usage pointer provided in the payload data element;

reading a block of history and usage data from the memory of the meter data collector responsive to the history and usage pointer; and

transmitting the read history and usage data to the host computer.

43. A method as defined in claim 42, wherein the step of transmitting the read history and usage data to the host computer further includes the steps of:

loading the read history and usage data in the payload data element for transmission to the host computer; and

loading in the payload data element for transmission to the host computer indicia of a next read-memory location indicating the next position in the memory of the destination meter data collector to retrieve history and usage data.

44. A method as defined in claim 42,

wherein the step of loading a history and usage pointer in the payload data element includes the steps of accessing a database to determine the next-read memory location for the selected meter data collector and loading the next-read memory location into the payload data element of the message packet;

and

wherein the method further comprises the steps of receiving the read history and usage data and next-read memory location indicia and storing the history and usage data and next-read memory location indicia in the database.

45. Meter data collector program product for enhancing communication between meter data collectors forming a mesh network, the program product comprising:

a protocol message packet generator adapted to assemble a protocol message packet including routing instructions between a plurality of meter data collectors, power level settings assignments for the meter data collectors, and receive signal strength indication placeholders to receive from each of the meter data collectors signal strength indications indicating the received signal strength of the protocol message packet;

a protocol message packet validator adapted to perform a validation analysis on a routed version of the protocol message packet to determine if the protocol message packet contains corrupted data;

a received signal strength indication determiner adapted to extract the receive signal strength indication from the protocol message packet responsive to protocol message packet validation; and

a power level settings determiner adapted to determine a substantially optimum power level setting for each of the meter data collectors responsive to the extracted received signal strength indications to thereby enhance individual mesh network segment strength and improve overall network performance.

46. Meter data collector program product as defined in claim 45, further comprising a memory manager adapted to provide instructions in the protocol message packet including those to perform the operation of filling characters in a range of memory addresses, writing data included in the protocol message packet from the protocol message packet to volatile and nonvolatile memory, reading data from volatile and nonvolatile memory and loading the data in the protocol message packet, and transferring data between various memory elements of the meter data collector.

47. Meter data collector program product as defined in claim 45, further comprising a history data integrity manager is adapted to provide instructions to perform the operations of accessing a database to determine a next-read memory location for a selected meter data collector, loading the next-read memory location into the protocol message packet, and storing an indication of the next-read memory location of received utility usage data of the selected destination meter data collector in the database responsive to return and validation of the protocol message packet having appended utility usage data.

48. A computer readable medium that is readable by a computer collecting utility usage data, the computer readable medium comprising a set of instructions that, when executed by the computer, cause the computer to perform the following operations:

assembling a message packet to transmit data to a selected one of a plurality of nodes defining a destination node according to a first preselected route to the destination node along at least one other of the plurality of nodes;

receiving and analyzing data in the message packet transmitted according to a second preselected route from the destination node; and

determining an optimal transmission power level setting of at least one of the plurality of nodes responsive to the data analysis.

49. A computer readable medium as defined in claim 48, further comprising a set of instructions that, when executed by a remote controller, cause the controller to perform the following operations:

determining a received signal strength indication describing the received signal strength of a transmission between adjacent nodes along the first or the second preselected routes for at least one pair of adjacent nodes of the plurality of nodes; and

uploading the received signal strength indication to the message packet.

50. A computer readable medium as defined in claim 48, wherein the instructions that, when executed by the computer, cause the computer to receive and analyze the data and the message packet, further cause the computer to perform the following operations:

validating the data in the message packet; and

processing the received data from the validated message packet responsive to the validation.

51. A computer readable medium as defined in claim 48, wherein the instructions that, when executed by the computer, cause the computer determine an optimal transmission power level setting, further cause the computer to perform at least one of the following operations:

determining a transmission power level setting of one of the plurality of nodes that improves a message packet validation rate of inbound message packets transmitted along a path between the one of the plurality of nodes and an adjacent node; and

determining a reduced meter data collector transmission power level setting of the one of the plurality of nodes that maintains or improves the message packet validation rate of inbound message packets transmitted along the path between the one of the plurality of nodes and the adjacent node.

52. A computer readable medium that is readable by a computer collecting utility usage data, the computer readable medium comprising a set of instructions that, when executed by the computer, cause the computer to perform the following operations:

determining a first sequence route from a source node to a destination node through at least one gateway node and a second sequence route from the destination node to the source node;

assigning a transmission power level setting separately to each of the nodes along the first and the second sequence routes;

sending a message packet carrying the power level settings to the destination node along the first sequence route;

receiving and validating the first message packet transmitted along the second sequence route; and

determining a received signal strength between each adjacent one of the nodes along at least a portion of at least one of the first and the second sequence routes, the received signal strengths indicating that of the received message packet.

53. A computer readable medium as defined in claim 52, wherein the transmission power level setting for each of the nodes is a respective first transmission power level setting for each node, wherein the message packet is a first message packet, wherein the received signal strength between each adjacent node is a respective first received signal strength between each adjacent node, the computer readable medium further comprising a set of instructions that, when executed by the computer, cause the computer to perform the following operations:

selecting a respective second transmission power level setting for one of the nodes defining a common node;

sending a second message packet to a destination node along a third sequence route;

receiving and validating the second message packet transmitted along a fourth sequence route, the third or fourth sequence routes including the common node and an adjacent node adjacent the common node;

determining a respective second received signal strength at the adjacent node, the second received signal strength indicating a received signal strength associated with the second message packet transmitted between the common node and the adjacent node;

comparing the second received signal strength with the associated first received signal strength for the adjacent node responsive to receiving and validating the first and the second message packets; and

assigning the second power level setting to the at least one of the nodes responsive to the comparison.

54. A computer readable medium as defined in claim 52, wherein the operation of assigning the second power level setting to the at least one of the nodes responsive to the comparison according to at least one of the following sets of criteria:

the second transmission power level setting for the common node improves a message packet validation rate of message packets transmitted along the path between the common node and the adjacent node;

the second transmission power level setting for the common node results in substantially maintaining the message packet validation rate transmitted along the path between the common node and the adjacent node and the second transmission power level setting for the common node is less than the first transmission power level setting for the common node; and

the respective second received signal strength for the adjacent node is greater than or substantially equal to the respective first received signal strength for the adjacent node and the second transmission power level setting for the common node is less than the first transmission power level setting for the common node.

55. A computer readable medium as defined in claim 52, wherein the transmission power level setting for each of the nodes is a respective first transmission power level setting for each node, wherein the message packet is a first message packet, wherein the received signal strength between each adjacent node is a respective first received signal strength between each adjacent node, the computer readable medium further comprising a set of instructions that, when executed by the computer, cause the computer to perform the following operations:

receiving and validating the first message packet transmitted along the second sequence route;

sending a second message packet to a destination node along a third sequence route;

receiving and validating the second message packet transmitted along a fourth sequence route;

determining a respective second received signal strength between each adjacent one of the nodes along the third sequence route and the fourth sequence route indicating received signal strengths associated with the received second message packet;

comparing the second received signal strengths with the first received signal strengths responsive to receiving and validating the first and the second message packets; and

determining a preferred polling sequence route responsive to the comparison.

56. A computer readable medium as defined in claim 52, wherein the operation of determining a first sequence route from a source node to a destination node through at least one gateway node and a second sequence route from the destination node to the source node includes the step of selecting the first and the second sequence routes so that a plurality of node-to-node segments along two separate paths to the destination node from the source node can be polled in a single refresh segments message packet transmission to thereby reduce network congestion due to separate segment polling.

57. A computer readable medium that is readable by a computer collecting utility usage data, the computer readable medium comprising a set of instructions that, when executed by the computer, cause the computer to perform the following operations:

determining a first sequence route from a source node to a destination node through at least one gateway node and a second sequence route from the destination node to the source node;

assigning a first transmission power level setting separately to each of the nodes along the first and the second sequence routes;

sending at least one message packet carrying the power level settings along the first sequence route;

determining a first message packet data return rate;

determining a third sequence route having at least one common segment with the first sequence route or the second sequence route;

varying a transmit power level setting of at least one of the nodes associated with the common segment to define a second power level setting;

sending a second message packet carrying the varied power level setting along the third sequence route;

determining a second message packet data return rate;

comparing the first message packet data return rate to the second message packet data return rate; and

selecting the second power level setting for the at least one of the nodes responsive to the comparison when the second message packet data return rate is greater than the first message packet data return rate and when the second message packet data return rate is not substantially less than the first message packet data return rate and the second power level setting is less than the first power level setting.

58. A computer readable medium that is readable by a computer collecting utility usage data, the computer readable medium comprising a set of instructions that, when executed by the computer, cause the computer to perform the following operations:

determining a sequence route from a source node to a destination node through at least one gateway node;

assigning a transmission power level setting separately to each of the nodes; and

sending a message packet carrying the power level settings along the sequence route.

59. A computer readable medium as defined in claim 58, further comprising a set of instructions that, when executed by the computer, cause the computer to perform the following operations:

determining a second sequence route from the destination node to the source node;

receiving the message packet transmitted along the second sequence route to the source node;

determining a received signal strength indication at least one of the nodes along the first or the second sequence route indicating a received signal strength associated with the received message packet when received; and

changing the assigned power level setting for at least one of the nodes responsive to the respective received signal strength indication determination for the at least one of the nodes.

60. A computer readable medium that is readable by a computer collecting utility usage data and a remote controller of a meter data collector, the computer readable medium comprising:

a first set of instructions that when executed by the computer cause the computer to perform the operations of determining a sequence route from a host computer system to a destination meter data collector through at least one intermediate meter data collector, and sending a message packet to the destination meter data collector along the sequence route, the message packet having a payload data element including a meter data collector firmware update; and

a second set of instructions that when executed by the remote controller cause the computer to perform the operation of receiving and storing the firmware update in memory of the destination meter data collector to thereby provide remote firmware management.

61. A computer readable medium as defined in claim 60, wherein the at least one meter data collector is a plurality of meter data collectors each having a remote controller and associated memory, the computer readable medium further comprising instructions that, when executed by the remote controller of each of the plurality of intermediate meter data collectors, cause the associated controller to perform the operations of receiving and storing the firmware update in the memory of each respective intermediate meter data collector prior to forwarding the message packet along the sequence route to the destination meter data collector.

62. A computer readable medium as defined in claim 60, further comprising a set of instructions that, when executed by the computer, cause the computer to perform the following operations:

determining a plurality of separate sequence routes from the host computer system to a corresponding plurality of destination meter data collectors;

sending the firmware update to the plurality of destination meter data collectors; and

delaying implementing the firmware update to allow a synchronized update of the firmware for each of the plurality of destination meter data collectors.

63. A computer readable medium that is readable by a computer collecting utility usage data and a controller of a destination meter data collector, the computer readable medium comprising:

a first set of instructions that when executed by the computer cause the computer to perform the operation of determining a sequence route from a host computer system to a destination meter data collector, and sending a message packet to the destination meter data collector along the sequence route, the message packet having a payload data element including meter data collector memory management parameters; and

a second set of instructions that when executed by the controller cause the controller to perform the operation of receiving the memory management parameters, and transferring data between the volatile and nonvolatile memory elements of the destination meter data collector responsive to the memory management parameters.

64. A computer readable medium that is readable by a computer collecting utility usage data, the computer readable medium comprising a set of instructions that, when executed by the computer, cause the computer to perform the following operations:

determining a sequence route from a host computer system to a destination meter data collector;

providing a message packet having a payload data element;

loading a history and usage pointer in the payload data element, the history and usage pointer providing indicia of a starting point in memory of the destination meter data collector of unread history and usage data; and

sending the message packet to the destination meter data collector along the sequence route.

65. A computer readable medium as defined in claim 64, further comprising a set of instructions that, when executed by a controller of a destination meter data collector, cause the controller to perform the following operations:

receiving the message packet;

accessing the history and usage pointer provided in the payload data element;

reading a block of history and usage data from memory of the meter data collector responsive to the history and usage pointer; and

sending the read history and usage data to the host computer system.

66. A computer readable medium as defined in claim 65, wherein the instructions that, when executed by the controller of the destination meter data collector cause the controller to send the read history and usage data to the host computer system, further cause the controller to perform the following operations:

loading the read history and usage data in the payload data element for sending to the host computer system; and

loading indicia of a next read-memory location in the payload data element for sending to the host computer system, the indicia of a next read-memory location indicating the next position in the memory of the destination meter data collector to retrieve history and usage data.

67. A computer readable medium as defined in claim 66,

wherein the instructions that when executed by the controller cause the controller to load a history and usage pointer in the payload data element, further cause the controller to perform the operations of accessing a database to determine the next-read memory location for the selected meter data collector, and loading the next-read memory location into the payload data element of the message packet;

and

wherein the computer readable medium further comprises a set of instructions that, when executed by the computer, cause the computer to perform the operations of receiving the read history and usage data and next-read memory location indicia and storing the history and usage data and next-read memory location indicia in the database.

68. A computer memory element containing, stored in signal bearing media, a database, the database containing the following data in computer readable format:

data indicating utility service history and usage provided by each of a plurality of meter data collectors; and

data indicating a starting point in memory of the next block of unread history and usage data defining a next-read memory location for each of the plurality of meter data collectors.

69. A computer memory element as defined in claim 68 further containing in computer readable format data indicating a preselected power level setting for each of the plurality of meter data collectors.