MULTI-CHANNEL LOW POWER COMMUNICATION METHOD AND APPARATUS

• US 20150103713A1
• Filed: 09/15/2014
• Published: 04/16/2015
• Est. Priority Date: 10/14/2013
• Status: Active Grant

• Current Assignee: Electronics and Telecommunications Research Institute
• Original Assignee: Electronics and Telecommunications Research Institute
• Inventors: SON, Jung Bo, LEE, Hee Soo, LEE, Sok Kyu, LEE, Il Gu
• Granted Patent: US 9,456,418 B2
• Time in Patent Office: Days
• US Class Current: 370/311
• CPC Class Codes: H04W 52/0235 where the received signal is a power saving command
• CPC Class Codes: H04W 74/0816 with collision avoidance
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A multi-channel low power communication method and apparatus are provided. The multi-channel low power communication method may include transmitting request to send (RTS) to a receiver through a plurality of communication channels, receiving clear to send (CTS) from the receiver in response to the RTS, and transmitting a data packet through part or entire of at least one communication channel having received the CTS among the plurality of communication channels, wherein at least one of the RTS and the CTS comprises a multi-channel power save information field related to multi-channel power save.

Claims

1. A multi-channel low power communication method comprising:

transmitting request to send (RTS) to a receiver through a plurality of communication channels;

receiving clear to send (CTS) from the receiver in response to the RTS; and

transmitting a data packet through part or entire of at least one communication channel having received the CTS among the plurality of communication channels,

wherein at least one of the RTS and the CTS comprises a multi-channel power save information field related to multi-channel power save.

2. The multi-channel low power communication method of claim 1, wherein the transmitting of the data packet comprises:

bonding the at least one communication channel having received the CTS among the plurality of communication channels; and

transmitting the data packet through the bonded communication channel.

3. The multi-channel low power communication method of claim 1, wherein the multi-channel power save information field comprises:

a multi-channel power save information field comprising at least one of whether a multi-channel power save mode is supported and a category of the multi-channel power save mode;

a band information field related to an adjacent channel and a non-adjacent channel;

an identifier (ID) information field comprising destination information of the data packet; and

a lifetime information field comprising at least one of a remaining lifetime of the transmitter and a remaining battery time.

4. The multi-channel low power communication method of claim 3, wherein the multi-channel power save mode category comprises:

information on which is recommended between an adjacent channel bonding transmission method and a non-adjacent channel carrier aggregation transmission method;

information on selection of a channel according to a channel state; and

information on selection of a channel according to a battery state.

5. The multi-channel low power communication method of claim 1, wherein the ID information comprises a plurality of pieces of destination information, each of which relates to a destination of each of the plurality of communication channels.

6. The multi-channel low power communication method of claim 1, wherein the data packet is not transmitted through a communication channel having not received the CTS among the plurality of communication channels.

7. The multi-channel low power communication method of claim 1, wherein the transmitting of the data packet comprises:

controlling an input path chain for transmission of the data packet of a non-adjacent channel using a coordinator when the data packet is transmitted by carrier aggregation of the non-adjacent channel.

8. A multi-channel low power communication method comprising:

receiving request to send (RTS) from a transmitter through a plurality of communication channels;

selecting at least one communication channel among the plurality of communication channels having received the RTS;

transmitting clear to send (CTS) to the transmitter through the at least one selected communication channel; and

receiving a data packet from the transmitter through part or entire of the at least one selected communication channel,

wherein at least one of the RTS and the CTS comprises a multi-channel power save information field related to multi-channel power save.

9. The multi-channel low power communication method of claim 8, further comprising:

determining at least one communication channel to receive the data packet from the transmitter among the at least one selected communication channel,

wherein the CTS comprises information on at least one communication channel to receive the data packet from the transmitter among the at least one selected communication channel,

the receiving of the data packet comprises receiving the data packet from the transmitter through the at least one communication channel to receive the data packet from the transmitter.

10. The multi-channel low power communication method of claim 9, wherein the selecting of the at least one communication channel comprises:

selecting the at least one communication channel among the plurality of communication channels having received the RTS based on a channel state of each of the plurality of communication channels having received the RTS and an interference state.

11. The multi-channel low power communication method of claim 9, wherein the determining of the at least one communication channel to receive the data packet comprises:

determining the at least one communication channel to receive the data packet from the transmitter among the at least one selected communication channel, based on a channel state of each of the at least one selected communication channel and a battery capacity of the transmitter.

12. The multi-channel low power communication method of claim 9, wherein the determining of the at least one communication channel to receive the data packet comprises:

determining a channel of which use efficiency with respect to a battery use quantity is higher than a predetermined value to be the communication channel to receive the data packet from the transmitter, among the at least one selected communication channel.

13. The multi-channel low power communication method of claim 9, wherein the receiving of the data packet comprises:

receiving the data packet from the transmitter through a communication channel bonded to at least one communication channel to receive the data packet from the transmitter.

14. The multi-channel low power communication method of claim 9, wherein the determining of the at least one communication channel to receive the data packet comprises:

determining the at least one communication channel to receive the data packet with respect to adjacent channels among the at least one selected communication channel.

15. A multi-channel low power communication method comprising:

transmitting a short data packet to a receiver through a plurality of communication channels;

receiving an acknowledge (ACK) packet from the receiver in response to the short data packet; and

transmitting a long data packet through part or entire of at least one communication channel having received the short data packet along the plurality of communication channels.

16. The multi-channel low power communication method of claim 15, wherein the transmitting of the long data packet comprises:

bonding at least one communication channel having received the short data packet among the plurality of communication channels; and

transmitting the long data packet through the bonded communication channel.

17. The multi-channel low power communication method of claim 15, wherein at least one of the short data packet and the response packet comprises a multi-channel power save information field related to multi-channel power save.

18. The multi-channel low power communication method of claim 16, wherein the long data packet is not transmitted through a communication channel having not received the response packet among the plurality of communication channels.