Embedded digital beam switching

Details Embedded digital beam switching Embedded digital beam switching

1997-09-05

2000-04-25

Vu, Huy D.

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370342, H04J 1300

Patent

active

060552301

ABSTRACT:
Disclosed is a system utilizing a multi-beam antenna and switches the beams to a CDMA demodulation receiver in such a way that the best beams are selected. The transmit path takes the traffic channel outputs from the CDMA modulators and maps each traffic channel to the subset of beams that have the best path to the mobile in the forward link. According, the system operates to reduce interference on both the forward and reverse links, as well as to increase the capacity of both the forward and reverse links. The system also is capable of providing flexible dynamic shaping of the cell and the sectors by mapping the appropriate overhead channels on the forward link and the reverse link in different combinations of beams to sectors in order to shape the cell.

REFERENCES:
patent: 5576717 (1996-11-01), Searle et al.
patent: 5594941 (1997-01-01), Dent
patent: 5621752 (1997-04-01), Antoino et al.
patent: 5628052 (1997-05-01), DeSantis et al.
patent: 5736959 (1998-04-01), Patterson et al.
patent: 5757767 (1998-05-01), Zehavi
patent: 5764630 (1998-06-01), Natali et al.
patent: 5838669 (1998-11-01), Gerakoulis
patent: 5848060 (1998-12-01), Dent
PCT International Search Report on International application No. PCT/US 98/24119 ( 4 pages).

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