?? ?????????? ???????? ?????
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(???????????:Smart antenna) ?????? ?? ??????? ??????? ??? ???? ???????? ?????? ?????? ????? ????? ??????? ???????? ?????
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??????? ???? ????? ????????? ????? ????? ?? ????? ???? ????? ??? ???????? ??????? ????? ?????.
[1]
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???? ??? ??????? ????? ????? ???????? ?????? ??? ???? ?? ??? ??? ????? ???????? ??????? ??????? ??????? ??????? ???? ??????.
- ??? ??????? ???? ??? ???? ????? ????? ???? ??????? ??????? ?? ????????.
- ????? ??? ????? ???? ??????? ??????? ?? ???????? ???? ??????? ?????? ????? ?????? ??? ???? ????????.
- ????? ?????? ????? ?????? ????? ??? ????????? ????? ?????? ?????? ??? ?????? ??? ?????? ???????? ??????? ???????? ??? ?? ?????? ?? ???????? ??? ?????.
???? ????? ?????? ???? ?? ???? ??? ??????? ????? ??? ???? ???? ?? ???? ??? ????? ???? ????? ??????? ??? ?? ??? ?????? ?????? ???? ???? ???????? ???? ??? ????? ??????? ??? ?????
?????? ???????
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[2]
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- ????? ????? ??????? ?????????? ????? ??????.
- ????? ????? ??????? ?????????? ????? ???? ?????.
- ????? ???????? ????? ????
??? ????????
.
??????
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???? ????? ????????? ?????? ????????? ??? ????? ???????? ???? ????? ???????? ????? ??? ??? ?????? ???? ???? ??? ???????? ????? ???? ??????? ??????? ??? ???? ???? ??? ???? ????????? ?????? ??? ????? ?????? ???:
- ????? ?????? ??????? Switched Beam Antenna:
???? ???? ??????? ???? ?????? ?? Base Station ??? ??? ?????? Sectors ???? ???? ?? ???? 120 ???? ???? ????? ??????? ????? ????? ???? ??? ?? ???? ?????? ??????? ?? Base Station
????? ????? ???????? ?? ?????? ???? ??? ?????? ??? ?????? ?????? ?? ??????? ?????? ??????? ???????? ??? ?? ???? ?????? ?????? ?????? ????????? ????? ???????? ?? ???? ?????? ??????? ???? ??????? ???? ?????? ??????? ???????? ??? ??? ????? ???? ??????? ????? ?? ???????? ???? ???? ???????? ???? ??? ??????? ??? ???? ??????? ??????? ?? ?????? ??? ????? ?????? ?????? ?????? ???????? ??? ???? ???? ???? ???? ??? ??? ?????? ???? ?????? ??? ????? ??? ????? ??????? ??????? ?? ?????? ???????? ??????? ??????? ?? ????????? ??????? ?? ???????? ???????.
- ??????? ??????? Adaptive Antenna
????? ??? ????? ??????? ?????? ???? ?????? ?? ????????? ????????? ??????? ??? ??? ??? ?????? ?? ????????? ?? ?????? ??? ????? ?? ????? ???????? ??? ???????? ??????? ?????? ??????? ?? ????? ?????? ??????? ?? ?????????? ??? ?????????? ?? ?????? ??? ??? ?????? ??????? ????? ??? ??????? ??? ???????? ?? ???? ????? ???????? ??? ??? ?????? ??? ?????? ?? ???? ??????? ???????
?
????? ????? ????????? ???????
.
[3]
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