| Publisher | University of Texas | ||
|---|---|---|---|
| Format | 96.6KB PDF | Date added | 13 Aug 2007 |
| Topics | Switching, Mobile - Wireless Communications, Wi-Fi (802.11) | ||
| Downloads | 32 | ||
This paper proposes a novel cross layer design concept that could improve the network throughput significantly for mobile ad hoc networks. The channel reservation control packets employed at the MAC layer can be utilized at the physical layer in exchanging timely channel estimation information to enable an adaptive selection of a spectrally efficient transmission rate. In particular, the size of a digital constellation can be varied dynamically based on the channel condition estimated at the receiver which can be relayed to the transmitter via the control packets.
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