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US 9,872,292 B2Granted
Method and apparatus for band transfer in multiband communication system
AssigneeSamsung Electronics Co., Ltd.
InventorsHyuk-choon Kwon, Hae-young Jun, Ho-dong Kim, Soo-yeon Jung
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Abstract
A method and apparatus for transferring to a second communication band and returning to an original communication band according to a channel state in a multiband communication system are provided. The method includes communicating with a peer device in a first band, determining a channel state of a second band, and transferring to the second band based on a result of the determination, thereby efficiently using a plurality of bands and thus improving a data transmission speed.
Claims21
A communication method of a multiband communication device, the method comprising:
- communicating with a peer device in a first communication band;
- checking a channel state of a second communication band during a predetermined period at a plurality of predefined intervals;
- and
- transferring to the second communication band based on a result of the checking,
- wherein the communication device enters an active mode during a predetermined period at predefined intervals to determine the channel state of the second communication band and to transmit the channel state of the second communication band to the peer device, and
- wherein after the transferring, the second communication band is used as a channel for data transmission and the first communication band is used as a monitoring channel for monitoring to allow return to the first communication band, and
- wherein the checking of the channel state comprises receiving, from a coordinator in the second communication band, and not in the first communication band, a beacon message comprising information of whether the peer device supports a multiband capability.
4 more elements
A communication method of a multiband communication device, the method comprising:
- communicating with a peer device in a first communication band;
- transmitting a channel state of a second communication band to the peer device during a predetermined period at a plurality of predefined intervals;
- and
- transferring to the second communication band at a request of the peer device,
- wherein the communication device enters an active mode during a predetermined period to determine the channel state of the second communication band and to transmit the channel state of the second communication band to the peer device, and
- wherein after the transferring, the second communication band is used as a channel for data transmission and the first communication band is used as a monitoring channel for monitoring to allow return to the first communication band, and
- wherein the transmitting comprises receiving, from a coordinator in the second communication band, and not in the first communication band, a beacon message comprising information of whether a multiband capability is supported.
4 more elements
A multiband communication device comprising:
- a communication unit, which communicates with a peer device in a first communication band or a second communication band;
- and
- a determination unit, which checks and determines a channel state of the second communication band during a predetermined period at a plurality of predefined intervals,
- wherein the communication unit transfers to the second communication band based on a result of the determination during communication in the first communication band, and
- wherein the communication device enters an active mode during a predetermined period to determine the channel state of the second communication band, and to transmit the channel state of the second communication band to the peer device,
- wherein after the transferring, the second communication band is used as a channel for data transmission and the first communication band is used as a monitoring channel for monitoring to allow return to the first communication band,
- after the transferring, the second communication band is used as the channel for data transmission at least for a predetermined time set by a maintenance timer to avoid channel transfer oscillation, and
- wherein the determination unit receives, from a coordinator in the second communication band, and not in the first communication band, a beacon message comprising information of whether the peer device supports a multiband capability, and
- wherein each of the communication unit and the determination unit are implemented via a hardware processor.
6 more elements
A multiband communication device comprising:
- a communication unit, which communicates with a peer device in a first communication band or a second communication band;
- and
- a measurement unit, which measures a channel state of the second communication band during a predetermined period at a plurality of predefined intervals,
- wherein the communication unit transmits the channel state of the second communication band to the peer device during communication in the first communication band, and transfers to the second communication band at a request of the peer device, and
- wherein the communication device enters an active mode during a predetermined period to determine the channel state of the second communication band and to transmit the channel state of the second communication band to the peer device,
- wherein after the transferring, the second communication band is used as a channel for data transmission and the first communication band is used as a monitoring channel for monitoring to allow return to the first communication band, and
- after the transferring, the second communication band is used as the channel for data transmission at least for a predetermined time set by a maintenance timer to avoid channel transfer oscillation, and
- wherein the communication unit receives, from a coordinator in the second communication band, and not in the first communication band, a beacon message comprising information of whether the peer device supports a multiband capability.
5 more elements
A non-transitory computer-readable recording medium having embodied thereon a program for executing a communication method of a multiband communication device, the method comprising:
- communicating with a peer device in a first communication band;
- checking a channel state of a second communication band during a predetermined period at a plurality of predefined intervals;
- and
- transferring to the second communication band exclusively based on a result of the checking,
- wherein the communication device enters an active mode during a predetermined period to determine the channel state of the second communication band and to transmit the channel state of the second communication band to the peer device, and
- wherein after the transferring, the second communication band is used as a channel for data transmission and the first communication band is used as a monitoring channel for monitoring to allow return to the first communication band, and
- wherein the checking comprises receiving, from a coordinator in the second communication band, and not in the first communication band, a beacon message comprising information of whether the peer device support a multiband capability.
4 more elements
A non-transitory computer-readable recording medium having embodied thereon a program for executing a communication method of a multiband communication device, the method comprising:
- communicating with a peer device in a first communication band;
- transmitting a channel state of a second communication band to the peer device during a predetermined period at a plurality of predefined intervals;
- and
- transferring to the second communication band at a request of the peer device,
- wherein the communication device enters an active mode during a predetermined period to determine the channel state of the second communication band and to transmit the channel state of the second communication band to the peer device, and
- wherein after the transferring, the second communication band is used as a channel for data transmission and the first communication band is used as a monitoring channel for monitoring to allow return to the first communication band, and
- wherein the transmitting comprises receiving, from a coordinator in the second communication band, and not in the first communication band, a beacon message comprising information of whether the peer device supports a multiband capability.
4 more elements
Dependencies are inferred from the claim text.