Medium accessing mechanisms within multiple user, multiple access, and/or MIMO wireless communications
First Claim
1. A wireless communication device comprising:
- a processor configured to generate a multi-user super-frame (MU-SF) to indicate a contention free period associated with a first at least one cluster and a contention based period associated with a second at least one cluster that includes at least one other cluster that is different than the first at least one cluster to govern communication medium access by a plurality of wireless communication devices that is located remotely from the wireless communication device; and
at least one wireless communication interface configured to transmit the MU-SF to and support subsequent communications with the plurality of wireless communication devices based on the MU-SF, wherein at least one of;
based on the first at least one cluster, the wireless communication device is further configured to receive a first signal from a first of the plurality of wireless communication devices using a first mapping of orthogonal frequency division multiplexing (OFDM) tones within a first at least one channel within a first at least one frequency band to receive a second signal from a second of the plurality of wireless communication devices using a second mapping of OFDM tones within a second at least one channel within a second at least one frequency band;
orthe processor is further configured to generate at least one additional MU-SF based on communications received from at least some of the plurality of wireless communication devices during a time period governed by the MU-SF, the at least one wireless communication interface is further configured to transmit the at least one additional MU-SF to and support subsequent communications with the plurality of wireless communication devices based on the at least one additional MU-SF.
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Accused Products
Abstract
A multi-user super-frame (MU-SF), as controlled by a MU-SF owner, is used to govern the manner by which various wireless communication devices have access to the communication medium. When various wireless communication devices operate within a wireless communication system, communication medium access can be handled differently for wireless communication devices having different capabilities. Per the MU-SF, those having a first capability may get medium access in accordance with a first operational mode (e.g., carrier sense multiple access/collision avoidance (CSMA/CA)), while those having a second capability may get medium access in accordance with a second operational mode (e.g., scheduled access). The respective durations for each of the first operational mode and the second operational mode within various MU-SFs need not be the same; the respective durations thereof may be adaptively modified based on any number considerations.
9 Citations
20 Claims
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1. A wireless communication device comprising:
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a processor configured to generate a multi-user super-frame (MU-SF) to indicate a contention free period associated with a first at least one cluster and a contention based period associated with a second at least one cluster that includes at least one other cluster that is different than the first at least one cluster to govern communication medium access by a plurality of wireless communication devices that is located remotely from the wireless communication device; and at least one wireless communication interface configured to transmit the MU-SF to and support subsequent communications with the plurality of wireless communication devices based on the MU-SF, wherein at least one of; based on the first at least one cluster, the wireless communication device is further configured to receive a first signal from a first of the plurality of wireless communication devices using a first mapping of orthogonal frequency division multiplexing (OFDM) tones within a first at least one channel within a first at least one frequency band to receive a second signal from a second of the plurality of wireless communication devices using a second mapping of OFDM tones within a second at least one channel within a second at least one frequency band;
orthe processor is further configured to generate at least one additional MU-SF based on communications received from at least some of the plurality of wireless communication devices during a time period governed by the MU-SF, the at least one wireless communication interface is further configured to transmit the at least one additional MU-SF to and support subsequent communications with the plurality of wireless communication devices based on the at least one additional MU-SF. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 13)
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9. A wireless communication device comprising:
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a processor configured to generate a multi-user super-frame (MU-SF) to indicate a contention free period associated with a first at least one cluster and a contention based period associated with a second at least one cluster that includes the first at least one cluster and also includes at least one other cluster that is different than the first at least one cluster to govern communication medium access by a plurality of wireless communication devices that is located remotely from the wireless communication device; and at least one wireless communication interface configured to transmit the MU-SF to the plurality of wireless communication devices, as a multi-user multiple input multiple output (MU-MIMO) frame or an orthogonal frequency division multiple access (OFDMA) frame, and to support subsequent communications with the plurality of wireless communication devices based on the MU-SF, wherein at least one of; the processor is further configured to provide a first mapping of orthogonal frequency division multiplexing (OFDM) tones within a first at least one channel within a first at least one frequency band for the first at least one cluster and a second mapping of OFDM tones within a second at least one channel within a second at least one frequency band for the second at least one cluster;
orthe processor is further configured to generate at least one additional MU-SF based on communications received from at least some of the plurality of wireless communication devices during a time period governed by the MU-SF, and the at least one wireless communication interface is further configured to transmit the at least one additional MU-SF to and support subsequent communications with the plurality of wireless communication devices based on the at least one additional MU-SF. - View Dependent Claims (10, 11, 12)
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14. A method for operating a wireless communication device, the method comprising:
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generating a multi-user super-frame (MU-SF) to indicate a contention free period associated with a first at least one cluster and a contention based period associated with a second at least one cluster that includes at least one other cluster that is different than the first at least one cluster to govern communication medium access by a plurality of wireless communication devices that is located remotely from the wireless communication device; and via at least one wireless communication interface of the wireless communication device; transmitting the MU-SF to the plurality of wireless communication devices; and receiving subsequent communications from at least some of the plurality of wireless communication devices based on the MU-SF, MU-SF, and further comprising at least one of; via the at least one wireless communication interface of the wireless communication device and based on the first at least one cluster, receiving a first signal from a first of the plurality of wireless communication devices using a first mapping of orthogonal frequency division multiplexing (OFDM) tones within a first at least one channel within a first at least one frequency band and receiving a second signal from a second of the plurality of wireless communication devices using a second mapping of OFDM tones within a second at least one channel within a second at least one frequency band;
orgenerating at least one additional MU-SF based on communications received from at least some of the plurality of wireless communication devices during a time period governed by the MU-SF, transmitting the at least one additional MU-SF to the plurality of wireless communication devices via the at least one wireless communication interface of the wireless communication device, and supporting subsequent communications with the plurality of wireless communication devices based on the at least one additional MU-SF via the at least one wireless communication interface of the wireless communication device. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification