Patent ID: 9400191
Filing Date: 2016-07-26
CPC Classification: G01D,H04Q,Y02B,Y04S

Claim Text:
1. A method of processing a request command in an advance metering infrastructure (AMI) network, the method comprising: generating and outputting a single request command, as a single packet, including bit values and an end time value for a target period of time to request a plurality of responses including data associated with the target period of time by means of the bit values and the end time value, wherein the bit values are generated by a bitmap interval for representing a period of time by a number of bits, each bit being assigned a predefined unit of time; and receiving the plurality of responses from another apparatus in reply to the request command, wherein, in response to a change in a value of data in a sequential data string, a value of data preceding said data, whose value is changed, is represented as a bitmap value by toggling the value of the preceding data with one of bit values 0 and 1 that are alternately applied.