Radio receiving device, array parameter optimal value...

Details Radio receiving device, array parameter optimal value... Radio receiving device, array parameter optimal value...

2007-04-24

2007-04-24

Vuong, Quochien B. (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Distortion, noise, or other interference prevention,...

C455S277100, C455S562100, C375S267000, C375S340000

Reexamination Certificate

active

10507020

ABSTRACT:
A spatial multiplex base station (1000, 2000, 3000) estimates an optimal array parameter appropriate to a propagation environment of a received signal and changes the array parameter in an adaptive manner. The optimal value is estimated by referring to a table prepared in advance, by searching for the optimal value while executing an array process multiple times using different parameters, or by searching for the optimal value from the results of the previous frames. Consequently, a weight estimation sequential algorithm is executed based on the estimated array parameter. This enables realization of optimal signal reception in a radio receiving device, regardless of the propagation environment.

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N. Kikuma, “Chapter 3: MMSE Adaptive Array,” Adaptive Signal Processing by Array Antenna, pp. 35-49; (including partial translation pp. 1-7).

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