Scheme for monitoring battery of machine type communication device

• US 8,868,001 B2
• Filed: 05/04/2011
• Issued: 10/21/2014
• Est. Priority Date: 05/04/2010
• Status: Expired due to Fees

• Current Assignee: Electronics and Telecommunications Research Institute
• Original Assignee: Electronics and Telecommunications Research Institute
• Inventors: Cheon, Kyung Yul, Yang, Mi Jeong, Park, Aesoon, Kwon, Hyeyeon
• Primary Examiner(s): Wendell, Andrew
• Application Number:
  US13/100,775
• Publication Number:
  US 20110275328A1
• Time in Patent Office: 1,266 Days
• Field of Search: 455/67.11, 455/69, 455/574, 455/343.1, 455/343.2, 455/343.5
• US Class Current: 455/67.11
• CPC Class Codes: G01R 31/371 with remote indication, e.g. on external chargers
• CPC Class Codes: H04W 24/04 Arrangements for maintaining operational condition
• CPC Class Codes: H04W 52/00 Power management, e.g. TPC [Transmission Power Control], power saving or power classes gain control in transmitters or power amplifiers H03G3/3042

Abstract

Provided is a machine type communication system including a machine type communication device operating with a battery. The machine type communication system may monitor a residual power of the battery supplying power to the machine type communication device, and may output the monitored residual power to a device of a manager that manages the machine type communication device. Also, a point in time when the residual power of the battery is to be monitored may be determined based on the residual power.

Claims

1. An operation method of a machine type communication device using a power stored in a battery, in a network comprising at least one machine type communication device, the method comprising:

receiving, from a network apparatus included in the network, a residual power monitoring request with respect to the battery;

monitoring a residual power of the battery in response to the residual power monitoring request;

transmitting the monitored residual power of the battery to the network apparatus in response to the residual power monitoring request; and

receiving again a residual power monitoring request from the network apparatus based on the monitored residual power,

wherein the network apparatus compares the residual power of the battery with a predetermined threshold, when the residual power of the battery is less than the threshold value, the network apparatus transmits comparison result to a device of a manager that manages the machine type communication device or the network apparatus, and

when the battery is charged or replaced with a new battery based on the comparison result and thus the residual power of the battery is recovered greater than or equal to the threshold value, the device of manager transmits a response which indicates the battery recovered greater than or equal to the threshold to the network apparatus.

2. The method of claim 1, wherein the receiving gain the residual power monitoring request comprises receiving again the residual power monitoring request at a point in time that is predetermined based on the monitored residual power.

3. The method of claim 2, wherein the point in time that is determined based on the monitored residual power is set to be within a time duration in which the machine type communication device is operable with the monitored residual power.

4. An operation method of a network apparatus operating in a network comprising at least one machine type communication device, the method comprising:

transmitting, to a machine type communication device, a residual power monitoring request with respect to a battery of the machine type communication device at a point in time for monitoring a residual power with respect to the machine type communication device;

receiving the residual power of the battery from the machine type communication device in response to the residual power monitoring request;

retransmitting, to the machine type communication device, a residual power monitoring request with respect to the battery based on the residual power of the battery;

comparing the residual power of the battery received from the machine type communication device with a predetermined threshold;

transmitting the comparison result to a device of a manager that manages the machine type communication device or the network apparatus when the residual power of the battery is less than the threshold value;

receiving a response which indicates the battery is recovered greater than or equal to the threshold value from the device of manager when the battery is charged or is replaced with a new battery and thus recovered greater than or equal to the threshold value.

5. The method of claim 4, further comprising:

predicting an operable time duration using the residual power of the battery when the residual power of the battery is greater than or equal to the threshold; and

setting a predetermined time within the operable time duration as a subsequent monitoring time,

wherein the retransmitting comprises retransmitting the residual power monitoring request at the set subsequent monitoring time.

6. An operation method of a network apparatus operating in a network comprising at least one machine type communication device, the method comprising:

predicting an operable time duration in which a machine type communication device operating with a battery is operable using a residual power of the battery, with respect to the machine type communication device;

setting a predetermined point in time within the operable time duration to a monitoring time;

transmitting, to the machine type communication device at the set monitoring time, a residual power monitoring request with respect to the battery;

receiving, from the machine type communication device in response to the residual battery monitoring request, the residual power of the battery monitored at the monitoring time

comparing the received residual power of the battery with a predetermined threshold;

transmitting a notification indicating a low residual power of the battery to a device of a manager that manages the machine type communication device of the network apparatus when the residual battery of the battery is less than the threshold value;

receiving a response which indicates the battery is recovered greater than or equal to the threshold from the device of manager when the battery is charged or replaced with a new battery and thus greater than or equal to the threshold.