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In this paper, a novel joint recursive least square (RLS) and least mean square (LMS) adaptive equalization algorithm for indoor, short range wireless communications under staircase environment is proposed. In this algorithm, the RLS is initially used to realize the fast convergence. Then, the LMS is adapted to rapidly optimize the receiving signals. Once the imbalance of the equalizer or severe channel...
Novel path loss and delay spread models with antenna height dependency under indoor stair environment are proposed. According to the persons' posture and location of the mobile device, the antenna height is categorized as three levels: low, medium and high. The path loss is modeled by using minimum mean square error (MMSE) method; meanwhile, both of mean excess delay and RMS delay spread are modeled...
Measurements for frequency domain characterization of indoor short range wireless channel with persons centered at 2.6 GHz Long Term Evolution (LTE) band were conducted by using a vector network analyzer. Based on the measurement data, the impulse response of the channel is obtained by using inverse Fourier transformation. The analysis results show that the optimized-fit distribution of small-scale...
In this letter, the propagation characteristics of an indoor, short-range channel with random distributed persons in a room at 2.6 GHz are studied and modeled. The study and model are based on plenty of data sampled in off-hour and rush-hour scenarios with both line-of-sight (LOS) and non-LOS (NLOS) conditions. The study shows that in NLOS, root mean square (RMS) delay spread has significantly 2.41...
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