On the impact of SNR estimation error on adaptive modulation
Mohammad, M.; Buehrer, R.M.
Communications Letters, IEEE
Volume 9, Issue 6, Jun 2005 Page(s): 490 - 492
Digital Object Identifier   10.1109/LCOMM.2005.1437347
Summary: In this letter we investigate the impact of signal-to-noise ratio (SNR) estimation on the performance of adaptive modulation. The adaptive modulation technique uses an estimate of the SNR at the receiver to choose a modulation scheme so that a given performance target is met. By adapting the modulation scheme, the link is able to improve the spectral efficiency as compared to static modulation. An analytic expression for the impact of SNR estimation error is derived and it is shown that SNR estimation has minimal impact on the performance.

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