Method and arrangement for adjusting antenna pattern

Details Method and arrangement for adjusting antenna pattern Method and arrangement for adjusting antenna pattern

1997-12-02

1999-08-10

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Testing or calibrating of radar system

By monitoring

342173, 342372, G01S 740

Patent

active

059365692

ABSTRACT:
A method and an arrangement for adjusting an antenna, pattern particularly in an SDMA system where a transmitter and a receiver include at least two antennas. Baseband antenna signals are multiplied by coefficients shaping the antenna pattern in order to produce a desired antenna pattern. The phase and strength of a baseband antenna signal are measured. On the basis of the measurement, the differences in phase and strength between the antenna signals are compensated by adjusting the coefficients shaping the antenna pattern.

REFERENCES:
patent: 5412414 (1995-05-01), Ast et al.
patent: 5739784 (1998-04-01), Jan et al.
patent: 5754139 (1998-05-01), Turcotte et al.

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