Method And Apparatus For Controlling Energy Expanding Of Sensor Network Nodes

• US 20090185542A1
• Filed: 04/19/2007
• Published: 07/23/2009
• Est. Priority Date: 04/29/2006
• Status: Active Grant

• Current Assignee: Signify Holding B.V. (Signify N.V.)
• Original Assignee: Koninklijke Philips Electronics N.V. (Koninklijke Philips N.V.)
• Inventors: Chen, Ningjiang, Zhang, Daqing, Wang, Jin
• Granted Patent: US 9,614,648 B2
• Time in Patent Office: Days
• US Class Current: 370/338
• CPC Class Codes: G01D 3/00 Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
• CPC Class Codes: H04L 1/0001 Systems modifying transmission characteristics according to link quality, e.g. power backoff adaptive data allocation for multicarrier modulation H04L5/0044; controlling transmission power for radio systems H04W52/04
• CPC Class Codes: H04L 1/188 Time-out mechanisms
• CPC Class Codes: H04W 40/10 based on available power or energy
• CPC Class Codes: H04W 40/246 Connectivity information discovery
• CPC Class Codes: H04W 52/0261 managing power supply demand, e.g. depending on battery level
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Present invention is to provide a method and apparatus for controlling energy expanding of sensor network nodes, wherein the method comprises steps of: acquiring energy information, said energy information being indicative of an energy status of a node in the network; and adjusting at least one data transmission parameter accordingly based on the energy information. With present invention, on the premise that the communication capacity and power energy of sensor nodes are limited in a wireless sensor network, it is capable of efficiently utilize the network resource, save the power consumption of sensor node, and prolong the whole life of sensor network.

Claims

1. A method for controlling energy expanding of a network of present invention, comprising steps of:

(a) acquiring an energy information, said energy information being indicative of an energy status of a node in the network, and;

(b) adjusting at least one data transmission parameter accordingly based on the energy information.

2. The method as claimed in claim 1, wherein said data transmission parameter is the timeout in which said node starts to retransmit the data after the data transmission fails.

3. The method as claimed in claim 1, wherein said data transmission parameter is the times at which said node starts to retransmit the data after the data transmission fails.

4. The method as claimed in claim 1, further including a step of:

acquiring a bandwidth information, said bandwidth information is used to be indicative of the available bandwidth status of the node;

wherein the step (b) includes a step of;

based on the energy information and the bandwidth information, at least one data transmission parameter of the node is adjusted accordingly.

5. An apparatus for controlling energy expanding of a network of present invention, comprising:

an acquiring device for acquiring an energy information, said energy information being indicative of an energy status of a node in the network, and;

an adjusting device, for adjusting at least one data transmission parameter accordingly based on the energy information.

6. The apparatus as claimed in claim 5, wherein said data transmission parameter is the timeout in which said node starts to retransmit the data after the data transmission fails.

7. The apparatus as claimed in claim 5, wherein said data transmission parameter is the times at which said node starts to retransmit the data after the data transmission fails.

8. The apparatus as claimed in claim 5, further including:

an bandwidth information acquiring device for acquiring a bandwidth information, said bandwidth information is used to be indicative of the available bandwidth status of the node;

wherein the adjusting device is used to adjust at least one data transmission parameter of the node accordingly based on the energy information and the bandwidth information.

9. A product of computer program for controlling energy expanding of a network of present invention, comprising:

code for acquiring an energy information, said energy information being indicative of the energy status of a node in the network, and;

code for adjusting at least one data transmission parameter accordingly based on the energy information.

10. A network, comprising:

a plurality of nodes; and

a network controller connected with said plurality nodes;

wherein said network controller comprising;

an acquiring device for acquiring an energy information, said energy information being indicative of an energy status of a node in the network; and

an adjusting device, for adjusting at least one data transmission parameter accordingly based on the energy information.