WIRELESS DEVICE AND METHODS FOR OPPORTUNISTIC SCHEDULING IN A CONTENTION-BASED WIRELESS NETWORK
First Claim
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1. A wireless device configured to operate in a network that implements a random channel-access protocol, wherein the wireless device is configured to:
- measure channel quality; and
set a backoff delay for channel access based on the channel quality, wherein shorter backoff delays are set for better channel quality and longer backoff delays are set for poorer channel quality.
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Abstract
Embodiments of a wireless device and method for channel access are generally described herein. In some embodiments, the wireless device is configured to measure channel quality and set a backoff delay for channel access based on the channel quality. Shorter backoff delays are set for better channel quality and longer backoff delays are set for poorer channel quality.
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Citations
20 Claims
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1. A wireless device configured to operate in a network that implements a random channel-access protocol, wherein the wireless device is configured to:
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measure channel quality; and set a backoff delay for channel access based on the channel quality, wherein shorter backoff delays are set for better channel quality and longer backoff delays are set for poorer channel quality. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for channel access in a network that implements a random channel-access protocol, the method comprising:
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measuring channel quality based on a broadcasted request-to-send (RTS) packet; determining a relative channel quality from the measured channel quality and a channel quality of one or more other wireless devices; and setting a backoff delay for channel access based on the relative channel quality, wherein shorter backoff delays are set for better channel quality and longer backoff delays are set for poorer channel quality. - View Dependent Claims (15, 16, 17)
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18. A central scheduler for scheduling channel access in a contention-based network, the central scheduler configured to:
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broadcast a request-to-send (RTS) packet on one or more random-access channels, each channel utilizing a different frequency channel; and receive clear-to-send (CTS) packets from wireless devices at times after a backoff delay is set, wherein wireless devices are configured to set the backoff delay based on a relative channel quality of one of the random access channels. - View Dependent Claims (19, 20)
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Specification