Transmission resource reservation scheme
DC CAFCFirst Claim
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1. A method, comprising:
- acquiring, in a first wireless communication apparatus, a transmission period to transmit data on a first frequency band within a determined transmission time interval, wherein the transmission period is a transmission opportunity for a wireless local area network;
determining to utilize a bandwidth greater than that of the first frequency band during the transmission period;
causing transmission of a reservation request message to at least second wireless communication apparatus, wherein the reservation request message instructs the second wireless communication apparatus to reserve at least one additional frequency band for the first wireless communication apparatus during the transmission period;
receiving a reservation response message from the at least second wireless communication apparatus, wherein the reservation response message indicates that said at least one additional frequency band is available for the first wireless communication apparatus to use in transmission during the transmission period; and
in response to the reception of the reservation response message, increasing a transmission band to comprise both said first frequency band and said at least one additional frequency band during the transmission period thereby transmitting data on the transmission band having the increased bandwidth greater than that of the first frequency band.
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Abstract
A method, apparatus, and computer program for acquiring transmission resources during a transmission period is provided. A first communication apparatus is arranged to utilize at least one other communication apparatus to reserve at least one additional transmission band for the first communication apparatus during the transmission period of the first communication apparatus. Upon reception of a message indicating availability of additional transmission band(s) from the at least one other communication apparatus, the first communication apparatus is configured to increase its transmission band during the transmission period.
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Citations
26 Claims
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1. A method, comprising:
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acquiring, in a first wireless communication apparatus, a transmission period to transmit data on a first frequency band within a determined transmission time interval, wherein the transmission period is a transmission opportunity for a wireless local area network; determining to utilize a bandwidth greater than that of the first frequency band during the transmission period; causing transmission of a reservation request message to at least second wireless communication apparatus, wherein the reservation request message instructs the second wireless communication apparatus to reserve at least one additional frequency band for the first wireless communication apparatus during the transmission period; receiving a reservation response message from the at least second wireless communication apparatus, wherein the reservation response message indicates that said at least one additional frequency band is available for the first wireless communication apparatus to use in transmission during the transmission period; and in response to the reception of the reservation response message, increasing a transmission band to comprise both said first frequency band and said at least one additional frequency band during the transmission period thereby transmitting data on the transmission band having the increased bandwidth greater than that of the first frequency band. - View Dependent Claims (2, 3, 4, 5)
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6. A method, comprising:
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receiving, from a first wireless communication apparatus in a second communication apparatus, a reservation request message instructing the second wireless communication apparatus to reserve at least one additional frequency band for the first wireless communication apparatus during a transmission period of the first wireless communication apparatus, the at least one additional frequency band being requested for use by the first wireless communication apparatus while transmitting data on a first frequency band, wherein the transmission period is a transmission opportunity for a wireless local area network; monitoring for availability of the at least one additional frequency band during the transmission period of the first wireless communication apparatus; in response to detection of availability of the at least one additional frequency band during the transmission period of the first wireless communication apparatus, causing transmission of a reservation response message to the first wireless communication apparatus, wherein the reservation response message indicates that said at least one additional frequency band is available for the first wireless communication apparatus to use in transmission during the transmission period of the first wireless communication apparatus to enable the first wireless communication apparatus to increase the bandwidth of transmission to comprise the first frequency band and the at least one additional frequency band so that the first wireless communication apparatus transmits data during the transmission period on a transmission band having increased bandwidth greater than that of the first frequency band. - View Dependent Claims (7, 8, 9, 10, 11)
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12. An apparatus comprising:
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at least one processor; and at least one memory including a computer program code, wherein the at least one memory and the computer program code are configured, with the at least one processor, to cause the apparatus to; acquire a transmission period to transmit data on a first frequency band within a determined transmission time interval, wherein the transmission period is a transmission opportunity for a wireless local area network; determine to utilize a bandwidth greater than that of the first frequency band during the transmission period; cause transmission of a reservation request message from a first wireless communication apparatus to at least a second wireless communication apparatus, wherein the reservation request message instructs the second wireless communication apparatus to reserve at least one additional frequency band for the first wireless communication apparatus during the transmission period; receive a reservation response message from the at least second wireless communication apparatus, wherein the reservation response message indicates that said at least one additional frequency band is available for the first wireless communication apparatus to use in transmission during the transmission period; and in response to the reception of the reservation response message, cause the first wireless communication apparatus to increase a transmission band to comprise both said first frequency band and said at least one additional frequency band during the transmission period thereby transmitting data on the transmission band having the increased bandwidth greater than that of the first frequency band. - View Dependent Claims (13, 14, 15, 16, 17)
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18. An apparatus, comprising:
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at least one processor; and at least one memory including a computer program code, wherein the at least one memory and the computer program code are configured, with the at least one processor, to cause the apparatus to; cause reception of a reservation request message from a first wireless communication apparatus the reservation request message instructing the apparatus to reserve at least one additional frequency band for the first wireless communication apparatus during a transmission period of the first wireless communication apparatus, the at least one additional frequency band being requested for use by the first wireless communication apparatus while transmitting data on a first frequency band, wherein the transmission period is a transmission opportunity for a wireless local area network; monitor for availability of the at least one additional frequency band during the transmission period of the first wireless communication apparatus; in response to detection of availability of the at least one additional frequency band during the transmission period of the first wireless communication apparatus, cause transmission of a reservation response message to the first wireless communication apparatus, wherein the reservation response message indicates that said at least one additional frequency band is available for the first wireless communication apparatus to use in transmission during the transmission period of the first wireless communication apparatus to enable the first wireless communication apparatus to increase the bandwidth of transmission to comprises the first frequency band and the at least one additional frequency band so that the first wireless communication apparatus transmits data during the transmission period on a transmission band having increased bandwidth greater than that of the first frequency band. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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25. A computer program product comprising a non-transitory computer-readable storage medium bearing computer program code embodied therein for use with a computer, the computer program code comprising:
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code for acquiring a transmission period for a first wireless communication apparatus to transmit data on a first frequency band within a determined transmission time interval, wherein the transmission period is a transmission opportunity for a wireless local area network; code for determining to utilize a bandwidth greater than that of the first frequency band during the transmission period; code for causing transmission of a reservation request message from the first wireless communication apparatus to at least second wireless communication apparatus, wherein the reservation request message instructs the second wireless communication apparatus to reserve at least one additional frequency band for the first wireless communication apparatus during the transmission period; code for receiving a reservation response message from the at least second wireless communication apparatus, wherein the reservation response message indicates that said at least one additional frequency band is available for the first wireless communication apparatus to use in transmission during the transmission period; and code for, in response to the reception of the reservation response message, increasing a transmission band to comprise both said first frequency band and said at least one additional frequency band during the transmission period thereby transmitting data on the transmission band having the increased bandwidth greater than that of the first frequency band.
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26. A computer program product comprising a non-transitory computer-readable storage medium bearing computer program code embodied therein for use with a computer, the computer program code comprising:
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code for causing reception of a reservation request message from a first wireless communication apparatus the reservation request message instructing the apparatus to reserve at least one additional frequency band for the first wireless communication apparatus during a transmission period of the first wireless communication apparatus, the at least one additional frequency band being requested for use by the first wireless communication apparatus while transmitting data on a first frequency band, wherein the transmission period is a transmission opportunity for a wireless local area network; code for monitoring for availability of the at least one additional frequency band during the transmission period of the first wireless communication apparatus; code for, in response to detection of availability of the at least one additional frequency band during the transmission period of the first wireless communication apparatus, causing transmission of a reservation response message to the first wireless communication apparatus, wherein the reservation response message indicates that said at least one additional frequency band is available for the first wireless communication apparatus to use in transmission during the transmission period of the first wireless communication apparatus to enable the first wireless communication apparatus to increase the bandwidth of transmission to comprise the first frequency band and the at least one additional frequency band so that the first wireless communication apparatus transmits data during the transmission period on a transmission band having increased bandwidth greater than that of the first frequency band.
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Specification