An Upper Bound on the Capacity Loss Due to Imprecise Channel State Information for General Memoryless Fading Channels

Date

2013-07-01

Author

Candan, Çağatay

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A remarkably simple upper bound on the capacity loss due to imprecise channel state information (CSI) is presented for single-input single-output (SISO) general memoryless fading channels, (Capacity Loss) <= log(1 + var(h - (h) over cap )SNR) where var(h - (h) over cap) represents the variance of channel estimation error, i.e. CSI inaccuracy. The bound extends earlier work on Rayleigh channels to general memoryless channels and confirms that the effect of CSI inaccuracies on the communication capacity is secondary to the receiver noise when the signal-to-noise ratio (SNR) is smaller than the reciprocal of the channel estimation error variance, SNR < 1/ var(h - <(h)over cap>). An extension to the single-input multiple-output (SIMO) case is also provided.

Subject Keywords

Modelling and Simulation, Electrical and Electronic Engineering, Computer Science Applications

URI

https://hdl.handle.net/11511/41385

Journal

IEEE COMMUNICATIONS LETTERS

DOI

https://doi.org/10.1109/lcomm.2013.060513.122930

Collections

Department of Electrical and Electronics Engineering, Article

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Citation Formats

Ç. Candan, “An Upper Bound on the Capacity Loss Due to Imprecise Channel State Information for General Memoryless Fading Channels,” IEEE COMMUNICATIONS LETTERS, pp. 1348–1351, 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/41385.