Comparison of Multichannel MAC Protocols
IEEE Transactions on Mobile Computing
Adaptive radio resource allocation in OFDMA systems: a survey of the state-of-the-art approaches
Wireless Communications & Mobile Computing - Next Generation Wireless Communications and Mobile Computing-Networking Technologies
OFDMA-based medium access control for next-generation WLANs
EURASIP Journal on Wireless Communications and Networking - Special issue on OFDMA architectures, protocols, and applications
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This paper proposes multi-channel MAC protocol for OFDMA Wireless LAN. This MAC protocol consists of one control channel and multiple data channels. Each data channel has multiple data sub channels and one control sub channel. Each station transmits channel negotiation control frame via control channel and data frame via data channels. Our method lets a station get through more than one communication sessions simultaneously. The basic idea is to use one sub-channel in data channel as control sub-channel. With this control sub-channel, even in the midst of one communication session, a node can set up another communication session in separate use. As a result, this mechanism improves end-to-end delay and overall network throughput.