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Level crossing rate and average fade duration of the select-and-hold policy of selection diversity combining in a Rayleigh fading channel

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2 Author(s)
S. S. Chakraborty ; Dept. of Electr. & Comput. Eng., Helsinki Univ. of Technol., Finland ; Liang Yong

The select-and-hold policy (SAH) is a general form of selection diversity combining (SDC). In this letter, we provide closed-form expressions for average level crossing rate and average fade duration for Nth-order SAH-SDC. The diversity branches are assumed to be independent and identical Rayleigh fading channels. A useful guideline for choice of the holding time is also obtained.

Published in:

IEEE Communications Letters  (Volume:8 ,  Issue: 6 )