El Hajjar, Mohammed and Hanzo, Lajos
Dispensing with Channel Estimation….
Vehicular Technology Magazine, IEEE, 5, .
In this article, we investigate the feasibility of noncoherent detection schemes in wireless communication systems as a low-complexity alternative to the family of coherent schemes. The noncoherent schemes require no channel knowledge at the receiver for the detection of the received signal, while the coherent schemes require channel inherently complex estimation, which implies that pilot symbols have to be transmitted resulting in a wastage of the available bandwidth as well as the transmission power.
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