Radio communication network for collecting data from utility meters

A radio communication network for collecting data generated by a plurality of utility meters located within a geographic area, comprising:

• a plurality of meter reading units, with each meter reading unit coupled to a respective utility meter and including a low-power transmitter to autonomously transmit by wireless radio signals representative of at least a portion of the data generated by the meter reading unit for that utility meter;
• a plurality of fixed receiving stations located within the geographic area, there being fewer receiving stations than meter reading units with each receiving station including a receiver that receives signals transmitted from at least one meter reading unit and a transmitter that selectively transmits wireless radio signals representative of at least a portion of the data generated by at least one meter reading unit;
• a plurality of intermediate stations located within the geographic area, with each intermediate station including a receiver that receives signals transmitted from at least one receiving station and a transmitter that selectively sends signals representative of at least a portion of the data generated by at least one meter reading unit;
• and
• a central station having at least one receiver to receive signals from the plurality of intermediate stations, a processor that decodes the signal, and a memory that stores data representative of at least a portion of the decoded signals in a data base.

A radio communication network for collecting data generated by a plurality of electrical utility meters located within a geographic area, comprising:

• a plurality of meter reading units, with each meter reading unit coupled to a respective electrical utility meter and including a low-power transmitter to autonomously transmit by wireless radio at psuedo-random times and at a power of less than 100 mW and distances of only up to 2 kilometers signals representative of at least a portion of the data generated by the meter reading unit for that electrical utility meter;
• a plurality of fixed receiving stations located within the geographic area, there being fewer receiving stations than meter reading units with each receiving station including a receiver that receives signals transmitted from between one meter reading unit and one thousand meter reading units and a transmitter that selectively transmits wire radio signals representative of at least a portion of the data generated by at least one meter reading unit;
• and
• a central station having at least one receiver to receive signals transmitted from the plurality of receiving stations, a processor that decodes the signal, and a memory that stores data representative of at least a portion of the decoded signals in a data base.

In a radio communication network for collecting data generated by a plurality of utility meters located within a geographic area, a method of communicating signals comprising the steps of:

• for each of a plurality of meter reading units coupled to a respective utility meter, autonomously transmitting by wireless radio signals representative of at least a portion of the data generated by the meter reading unit for that utility meter;
• for each of a plurality of fixed receiving stations located within the geographic area, there being fewer receiving stations than meter reading units with each receiving station, receiving signals transmitted from at least one meter reading unit and selectively transmitting wireless radio signals representative of at least a portion of the data generated by at least one meter reading unit;
• and
• receiving signals at a central station transmitted from the plurality of receiving stations, decoding the signals, and storing data representative of at least a portion of the decoded signals in a data base.

In a radio communication network for collecting data generated by a plurality of utility meters located within a geographic area, a method of communicating signals comprising the steps of:

• for each of a plurality of meter reading units coupled to a respective utility meter, autonomously transmitting by wireless radio signals representative of at least a portion of the data generated by the meter reading unit for that utility meter;
• for each of a plurality of fixed receiving stations located within the geographic area, there being fewer receiving stations than meter reading units with each receiving station, receiving signals transmitted from at least one meter reading unit and a selectively transmitting wireless radio signals representative of at least a portion of the data generated by at least one meter reading unit;
• for each of a plurality of intermediate stations located within the geographic area, receiving signals transmitted from at least one receiving station and selectively sending signals representative of at least a portion of the data generated by at least one meter reading unit;
• and
• receiving signals at a central station transmitted from the plurality of intermediate stations, decoding the signals, and storing data representative of at least a portion of the decoded signals in a data base.

In a radio communication network for collecting data generated by a plurality of electrical utility meters located within a geographic area, a method of communicating signals comprising the steps of:

• for each of a plurality of meter reading units coupled to a respective utility meter, autonomously transmitting by wireless radio at psuedo-random times and at a power of less than 100 mW and distances of only up to 2 kilometers signals representative of at least a portion of the data generated by the meter reading unit for that utility meter;
• for each of a plurality of fixed receiving stations located within the geographic area, there being fewer receiving stations than meter reading units with each receiving station, receiving signals transmitted from at least one meter reading unit and selectively transmitting wireless radio signals representative of at least a portion of the data generated by at least one meter reading unit;
• and
• receiving signals at a central station transmitted from the plurality of receiving stations, decoding the signals, and storing data representative of at least a portion of the decoded signals in a data base.