… apply the supcrimposed pilot scquona? t,et:hnique for the purpose of chanricl estimation (CS). …
based on redticcd-state sequence estimation. Among thc distinct advmtagm compared to …

… To tackle the effect of pilot contamination that generally … a superimposed pilot (SP)-aided
uplink channel estimation … dependency between channel estimation and estimation error. …

… the channel estimation is based on superimposed pilots. Since the interference levels
between data and pilots … and channel estimation. Our performance results show that the use of …

… ing satisfactory estimates at a low complexity under various channel models. In this paper,
we study pilot-aided channel estimation in stationary MIMO fading channels and investigate …

… (MIMO) (MU-MIMO) systems, pilot contamination (PC) and data interference (DI) are two …
of the superimposed pilot (SP) based channel estimation, provided that the channel coherence …

… , but also to the lower channel tracking capability. In this paper, we propose a selective
superimposed pilot channel estimation scheme with selecting a pilot sequence that has a low …

… superimposed-pilot based channel estimators for … estimators is given by approximately
O(NL 2 ), O(N 3 ) and O(NL), where N is the number of OFDM subcarriers and L is the channel …

… complexity in superimposed channel estimation technique, in which previously estimated
channels are used as side information to improve MSE of channel estimation and reduce the …

… a real channel estimator, by exploiting superimposed pilots. The utilized superimposed pilots
are … the orthogonality of codes, the superimposed pilots help to generate an initial channel …

… , but also to the lower channel tracking capability. In this paper, we propose a selective
superimposed pilot channel estimation scheme with selecting a pilot sequence that has a low …