METHOD AND APARATUS TO OPTIMIZE POWER TO MAXIMIZE PERFORMANCE OF WIRELESS MESH SENSORS AND CONTROL NETWORKS

• US 20080198036A1
• Filed: 02/15/2008
• Published: 08/21/2008
• Est. Priority Date: 02/16/2007
• Status: Active Grant

• Current Assignee: Siemens Industry Incorporated (Siemens AG)
• Original Assignee: Siemens Building Technologies Incorporated (Siemens AG)
• Inventors: Songkakul, Pornsak, Nass, Geoffrey D., McFarland, Norman R.
• Granted Patent: US 9,024,717 B2
• Time in Patent Office: Days
• US Class Current: 340/4.32
• CPC Class Codes: G05B 15/02 electric
• CPC Class Codes: H04L 12/2803 Home automation networks
• CPC Class Codes: H04L 12/2838 Distribution of signals within a home automation network, e.g. involving splitting/multiplexing signals to/from different paths adaptations of television systems for transmission by electric cable for domestic distribution H04N7/106; hybrid transport H04L12/6418; home network arrangements specially adapted for distribution of digital video signals H04N7/24
• CPC Class Codes: H04L 2012/2841 Wireless
• CPC Class Codes: H04L 2012/285 Generic home appliances, e.g. refrigerators
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 52/18 TPC being performed according to specific parameters
• CPC Class Codes: H04W 52/245 taking into account received signal strength
• CPC Class Codes: H04W 52/246 where the output power of a terminal is based on a path parameter calculated in said terminal
• CPC Class Codes: H04W 52/247 where the output power of a terminal is based on a path parameter sent by another terminal
• CPC Class Codes: H04W 52/265 taking into account the quality of service QoS
• CPC Class Codes: H04W 52/267 taking into account the information rate
• CPC Class Codes: H04W 52/283 Power depending on the position of the mobile
• CPC Class Codes: H04W 52/48 during retransmission after error or non-acknowledgment
• CPC Class Codes: H04W 84/22 with access to wired networks

Abstract

An automation component configured for optimized wireless communication within a building automation system is disclosed. The automation component includes a wireless communications component, a processor in communication with the wireless communications component, a memory in communication with the processor, the memory configured to store computer readable instructions which are executable by the processor. The computer readable instructions being programmed to process at least one communication variable received via the wireless communications component; to optimize a communication or radio transmit power level associated with the wireless communication component, wherein the optimized communication power level is a function of the at least one communication variable; and an adjustment of the communication power level associated with the wireless communication component based on the optimized communication power level.

Claims

1. An automation component configured for optimized wireless communication within a building automation system, the automation component comprising:

a wireless communications component;

a processor in communication with the wireless communications component;

a memory in communication with the processor, the memory configured to store computer readable instructions which are executable by the processor;

wherein the computer readable instructions are programmed to;

process at least one communication variable received via the wireless communications component;

optimize a communication power level associated with the wireless communication component, wherein the optimized communication power level is a function of the at least one communication variable; and

adjust the communication power level associated with the wireless communication component based on the optimized communication power level.

2. The automation component of claim 1, wherein the wireless communication component is a transceiver.

3. The automation component of claim 2, wherein the transceiver is a ZigBee-compliant device.

4. The automation component of claim 2, wherein the transceiver is an 802.11 compliant device.

5. The automation component of claim 1, wherein the at least one communication variable is selected from the group consisting of:

proximity to other wireless communication components;

number of wireless communication components stored in a routing table in communication with the memory;

a link quality index;

RSSI;

a communications response time;

an average round trip communications time;

number of communication retries;

communication completion rate and type of wireless components.

6. The automation component of claim 1, wherein the wireless communication component is configured to communicate the optimized communication power level associated with the wireless communication component to a second wireless communication component.

7. The automation component of claim 6, wherein the wireless communication component is configured to communicate a second optimized communication power level associated with a second wireless communication component and the at least one communication variable to the second wireless communication component.

8. The automation component of claim 1, wherein memory is configured to store a plurality of values for the at least one communication variables and wherein the processor is configured to compare the plurality of values for the at least one communication variable as a function of time.

9. The automation component of claim 1, wherein the communication power level is a radio transmit power level.

23. The automation component of claim 1, wherein storing the at least one communication variable includes storing a plurality of values for the at least one communication variable and wherein the processor is configured to compare the plurality of values for the at least one communication variable as a function of time.

10. A building automation system configured for optimized wireless communication, the building automation system comprising:

a first automation component having a first wireless communication component, the first automation component configured to;

process at least one communication variable;

optimize a communication power level, wherein the optimized communication power level is a function of the at least one communication variable; and

a second automation component having a second wireless communication component, the second wireless communication component in communication with the first wireless communication, wherein the second automation component is configured to;

adjust the communication power level associated with the second wireless communication component based on the optimized communication power level.

11. The automation component of claim 10, wherein the first and second wireless communication components are transceivers.

12. The automation component of claim 11, wherein the transceivers are ZigBee-compliant devices.

13. The automation component of claim 11, wherein the transceivers are 802.11 compliant devices.

14. The automation component of claim 10, wherein the at least one communication variable is selected from the group consisting of:

proximity to other wireless communication components;

number of wireless communication components stored in a routing table in communication with the memory;

a link quality index;

RSSi;

a communications response time;

an average round trip communications time;

number of communication retries;

communication completion rate and type of wireless components.

15. The automation component of claim 10, wherein the first wireless communication component is configured to communicate a second optimized communication power level associated with the second wireless communication component and the at least one communication variable to the second wireless communication component.

16. The automation component of claim 10 further comprising:

a memory is configured to store a plurality of values for the at least one communication variable; and

wherein a processor is configured to compare the plurality of values for the at least one communication variable as a function of time.

17. A method for optimizing a wireless communication within a building automation system, the method comprising:

storing at least one communication variable in a memory, wherein the memory and the at least on communication variable are in communication with a processor;

processing at least one communication variables received via a wireless communications component;

optimizing a communication power level associated with the wireless communication component, wherein the optimized communication power level is a function of the at least one communication variables; and

adjusting the communication power level associated with the wireless communication component based on the optimized communication power level.

18. The method of claim 17, wherein processing at least one communication variable received via a wireless communications component includes receiving the at least one communication variable via a transceiver.

19. The method of claim 18, wherein the transceiver is a ZigBee-compliant device.

20. The method of claim 18, wherein the transceiver is an 802.11 compliant device.

21. The method of claim 17, wherein the at least one communication variable is selected from the group consisting of:

proximity to other wireless communication components;

number of wireless communication components stored in a routing table in communication with the memory;

a link quality index;

RSSi;

a communications response time;

an average round trip communications time;

number of communication retries;

communication completion rate and type of wireless components.

22. The method of claim 17 further comprising:

communicating the optimized communication power level associated with the wireless communication component to a second wireless communication component.