DATA TRANSMISSION METHOD IN SENSOR NETWORK
First Claim
1. A data transmission method of a plurality of sending nodes in a sensor network, the method comprising:
- generating data to be transmitted to a receiving node, respectively;
transmitting headers of the generated data to the receiving node, respectively, in response to a Wake-up Notification Message (WNM) from the receiving node;
receiving a Grant Notification Message (GNM) for selecting one of the plurality of sending nodes from the receiving node; and
transmitting, by the plurality of sending nodes, a payload of the generated data according to the GNM, or switching into sleep mode without data transmission.
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Abstract
Provided is a data transmission method of a plurality of sending nodes in a sensor network. In the data transmission method, data is generated to be transmitted to a receiving node, respectively. Headers of the generated data are transmitted to the receiving node, respectively, in response to a Wake-up Notification Message (WNM) from the receiving node. A Grant Notification Message (GNM) for selecting one of the plurality of sending nodes is received from the receiving node. The plurality of sending nodes transmit a payload of the generated data according to the GNM, or switch into sleep mode without data transmission.
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Citations
17 Claims
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1. A data transmission method of a plurality of sending nodes in a sensor network, the method comprising:
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generating data to be transmitted to a receiving node, respectively; transmitting headers of the generated data to the receiving node, respectively, in response to a Wake-up Notification Message (WNM) from the receiving node; receiving a Grant Notification Message (GNM) for selecting one of the plurality of sending nodes from the receiving node; and transmitting, by the plurality of sending nodes, a payload of the generated data according to the GNM, or switching into sleep mode without data transmission. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 17)
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13. A data reception method of a receiving node in a sensor network, the method comprising:
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receiving headers of data generated by a plurality of sending nodes; selecting one of the plurality of sending nodes by referring to the received headers; transmitting a GNM to the selected sending node; and receiving a payload of the data provided from the selected sending node. - View Dependent Claims (15, 16)
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Specification