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The generalized likelihood ratio test (GLRT)-based multi-symbol transmitted reference detector for UWB systems is an attractive technology to provide high performance communication without explicit channel estimation. Unfortunately, the GLRT-based detector is generally a non-deterministic polynomial time problem in terms of the number of symbols. In this paper, we propose a polynomial-time (O(M3),...
This paper proposes a new adaptive algorithm to improve the least mean square (LMS) performance for the sparse system identification in the presence of the colored inputs. The l1 norm penalty on the filter coefficients is incorporated into the quadratic LMS cost function to improve the LMS performance in sparse systems. Different from the existing algorithms, the adaptive filter coefficients are updated...
Diversity order is widely adopted as a critical metric on the reliability of wireless transmissions over fading channels. Numerous designs have been proposed to collect the diversity from different types of channels. However, since the simulators and practical systems can only afford finite bits to represent the real/complex numbers, the definition of diversity needs to be revisited. In this paper,...
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